diff options
Diffstat (limited to 'kernel/drivers/media/pci/saa7164')
| -rw-r--r-- | kernel/drivers/media/pci/saa7164/Kconfig | 18 | ||||
| -rw-r--r-- | kernel/drivers/media/pci/saa7164/Makefile | 12 | ||||
| -rw-r--r-- | kernel/drivers/media/pci/saa7164/saa7164-api.c | 1525 | ||||
| -rw-r--r-- | kernel/drivers/media/pci/saa7164/saa7164-buffer.c | 322 | ||||
| -rw-r--r-- | kernel/drivers/media/pci/saa7164/saa7164-bus.c | 492 | ||||
| -rw-r--r-- | kernel/drivers/media/pci/saa7164/saa7164-cards.c | 773 | ||||
| -rw-r--r-- | kernel/drivers/media/pci/saa7164/saa7164-cmd.c | 589 | ||||
| -rw-r--r-- | kernel/drivers/media/pci/saa7164/saa7164-core.c | 1496 | ||||
| -rw-r--r-- | kernel/drivers/media/pci/saa7164/saa7164-dvb.c | 552 | ||||
| -rw-r--r-- | kernel/drivers/media/pci/saa7164/saa7164-encoder.c | 1471 | ||||
| -rw-r--r-- | kernel/drivers/media/pci/saa7164/saa7164-fw.c | 613 | ||||
| -rw-r--r-- | kernel/drivers/media/pci/saa7164/saa7164-i2c.c | 125 | ||||
| -rw-r--r-- | kernel/drivers/media/pci/saa7164/saa7164-reg.h | 219 | ||||
| -rw-r--r-- | kernel/drivers/media/pci/saa7164/saa7164-types.h | 442 | ||||
| -rw-r--r-- | kernel/drivers/media/pci/saa7164/saa7164-vbi.c | 1378 | ||||
| -rw-r--r-- | kernel/drivers/media/pci/saa7164/saa7164.h | 619 |
16 files changed, 10646 insertions, 0 deletions
diff --git a/kernel/drivers/media/pci/saa7164/Kconfig b/kernel/drivers/media/pci/saa7164/Kconfig new file mode 100644 index 000000000..a53db7d1c --- /dev/null +++ b/kernel/drivers/media/pci/saa7164/Kconfig @@ -0,0 +1,18 @@ +config VIDEO_SAA7164 + tristate "NXP SAA7164 support" + depends on DVB_CORE && VIDEO_DEV && PCI && I2C + select I2C_ALGOBIT + select FW_LOADER + select VIDEO_TUNER + select VIDEO_TVEEPROM + select VIDEOBUF_DVB + select DVB_TDA10048 if MEDIA_SUBDRV_AUTOSELECT + select DVB_S5H1411 if MEDIA_SUBDRV_AUTOSELECT + select MEDIA_TUNER_TDA18271 if MEDIA_SUBDRV_AUTOSELECT + ---help--- + This is a video4linux driver for NXP SAA7164 based + TV cards. + + To compile this driver as a module, choose M here: the + module will be called saa7164 + diff --git a/kernel/drivers/media/pci/saa7164/Makefile b/kernel/drivers/media/pci/saa7164/Makefile new file mode 100644 index 000000000..ba0e33a1e --- /dev/null +++ b/kernel/drivers/media/pci/saa7164/Makefile @@ -0,0 +1,12 @@ +saa7164-objs := saa7164-cards.o saa7164-core.o saa7164-i2c.o saa7164-dvb.o \ + saa7164-fw.o saa7164-bus.o saa7164-cmd.o saa7164-api.o \ + saa7164-buffer.o saa7164-encoder.o saa7164-vbi.o + +obj-$(CONFIG_VIDEO_SAA7164) += saa7164.o + +ccflags-y += -I$(srctree)/drivers/media/i2c +ccflags-y += -I$(srctree)/drivers/media/tuners +ccflags-y += -I$(srctree)/drivers/media/dvb-core +ccflags-y += -I$(srctree)/drivers/media/dvb-frontends + +ccflags-y += $(extra-cflags-y) $(extra-cflags-m) diff --git a/kernel/drivers/media/pci/saa7164/saa7164-api.c b/kernel/drivers/media/pci/saa7164/saa7164-api.c new file mode 100644 index 000000000..4f3b1dd18 --- /dev/null +++ b/kernel/drivers/media/pci/saa7164/saa7164-api.c @@ -0,0 +1,1525 @@ +/* + * Driver for the NXP SAA7164 PCIe bridge + * + * Copyright (c) 2010 Steven Toth <stoth@kernellabs.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/wait.h> +#include <linux/slab.h> + +#include "saa7164.h" + +int saa7164_api_get_load_info(struct saa7164_dev *dev, struct tmFwInfoStruct *i) +{ + int ret; + + if (!(saa_debug & DBGLVL_CPU)) + return 0; + + dprintk(DBGLVL_API, "%s()\n", __func__); + + i->deviceinst = 0; + i->devicespec = 0; + i->mode = 0; + i->status = 0; + + ret = saa7164_cmd_send(dev, 0, GET_CUR, + GET_FW_STATUS_CONTROL, sizeof(struct tmFwInfoStruct), i); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + printk(KERN_INFO "saa7164[%d]-CPU: %d percent", dev->nr, i->CPULoad); + + return ret; +} + +int saa7164_api_collect_debug(struct saa7164_dev *dev) +{ + struct tmComResDebugGetData d; + u8 more = 255; + int ret; + + dprintk(DBGLVL_API, "%s()\n", __func__); + + while (more--) { + + memset(&d, 0, sizeof(d)); + + ret = saa7164_cmd_send(dev, 0, GET_CUR, + GET_DEBUG_DATA_CONTROL, sizeof(d), &d); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", + __func__, ret); + + if (d.dwResult != SAA_OK) + break; + + printk(KERN_INFO "saa7164[%d]-FWMSG: %s", dev->nr, + d.ucDebugData); + } + + return 0; +} + +int saa7164_api_set_debug(struct saa7164_dev *dev, u8 level) +{ + struct tmComResDebugSetLevel lvl; + int ret; + + dprintk(DBGLVL_API, "%s(level=%d)\n", __func__, level); + + /* Retrieve current state */ + ret = saa7164_cmd_send(dev, 0, GET_CUR, + SET_DEBUG_LEVEL_CONTROL, sizeof(lvl), &lvl); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + dprintk(DBGLVL_API, "%s() Was %d\n", __func__, lvl.dwDebugLevel); + + lvl.dwDebugLevel = level; + + /* set new state */ + ret = saa7164_cmd_send(dev, 0, SET_CUR, + SET_DEBUG_LEVEL_CONTROL, sizeof(lvl), &lvl); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + return ret; +} + +int saa7164_api_set_vbi_format(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + struct tmComResProbeCommit fmt, rsp; + int ret; + + dprintk(DBGLVL_API, "%s(nr=%d, unitid=0x%x)\n", __func__, + port->nr, port->hwcfg.unitid); + + fmt.bmHint = 0; + fmt.bFormatIndex = 1; + fmt.bFrameIndex = 1; + + /* Probe, see if it can support this format */ + ret = saa7164_cmd_send(port->dev, port->hwcfg.unitid, + SET_CUR, SAA_PROBE_CONTROL, sizeof(fmt), &fmt); + if (ret != SAA_OK) + printk(KERN_ERR "%s() set error, ret = 0x%x\n", __func__, ret); + + /* See of the format change was successful */ + ret = saa7164_cmd_send(port->dev, port->hwcfg.unitid, + GET_CUR, SAA_PROBE_CONTROL, sizeof(rsp), &rsp); + if (ret != SAA_OK) { + printk(KERN_ERR "%s() get error, ret = 0x%x\n", __func__, ret); + } else { + /* Compare requested vs received, should be same */ + if (memcmp(&fmt, &rsp, sizeof(rsp)) == 0) { + dprintk(DBGLVL_API, "SET/PROBE Verified\n"); + + /* Ask the device to select the negotiated format */ + ret = saa7164_cmd_send(port->dev, port->hwcfg.unitid, + SET_CUR, SAA_COMMIT_CONTROL, sizeof(fmt), &fmt); + if (ret != SAA_OK) + printk(KERN_ERR "%s() commit error, ret = 0x%x\n", + __func__, ret); + + ret = saa7164_cmd_send(port->dev, port->hwcfg.unitid, + GET_CUR, SAA_COMMIT_CONTROL, sizeof(rsp), &rsp); + if (ret != SAA_OK) + printk(KERN_ERR "%s() GET commit error, ret = 0x%x\n", + __func__, ret); + + if (memcmp(&fmt, &rsp, sizeof(rsp)) != 0) { + printk(KERN_ERR "%s() memcmp error, ret = 0x%x\n", + __func__, ret); + } else + dprintk(DBGLVL_API, "SET/COMMIT Verified\n"); + + dprintk(DBGLVL_API, "rsp.bmHint = 0x%x\n", rsp.bmHint); + dprintk(DBGLVL_API, "rsp.bFormatIndex = 0x%x\n", + rsp.bFormatIndex); + dprintk(DBGLVL_API, "rsp.bFrameIndex = 0x%x\n", + rsp.bFrameIndex); + } else + printk(KERN_ERR "%s() compare failed\n", __func__); + } + + if (ret == SAA_OK) + dprintk(DBGLVL_API, "%s(nr=%d) Success\n", __func__, port->nr); + + return ret; +} + +static int saa7164_api_set_gop_size(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + struct tmComResEncVideoGopStructure gs; + int ret; + + dprintk(DBGLVL_ENC, "%s()\n", __func__); + + gs.ucRefFrameDist = port->encoder_params.refdist; + gs.ucGOPSize = port->encoder_params.gop_size; + ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR, + EU_VIDEO_GOP_STRUCTURE_CONTROL, + sizeof(gs), &gs); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + return ret; +} + +int saa7164_api_set_encoder(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + struct tmComResEncVideoBitRate vb; + struct tmComResEncAudioBitRate ab; + int ret; + + dprintk(DBGLVL_ENC, "%s() unitid=0x%x\n", __func__, + port->hwcfg.sourceid); + + if (port->encoder_params.stream_type == V4L2_MPEG_STREAM_TYPE_MPEG2_PS) + port->encoder_profile = EU_PROFILE_PS_DVD; + else + port->encoder_profile = EU_PROFILE_TS_HQ; + + ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR, + EU_PROFILE_CONTROL, sizeof(u8), &port->encoder_profile); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + /* Resolution */ + ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR, + EU_PROFILE_CONTROL, sizeof(u8), &port->encoder_profile); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + /* Establish video bitrates */ + if (port->encoder_params.bitrate_mode == + V4L2_MPEG_VIDEO_BITRATE_MODE_CBR) + vb.ucVideoBitRateMode = EU_VIDEO_BIT_RATE_MODE_CONSTANT; + else + vb.ucVideoBitRateMode = EU_VIDEO_BIT_RATE_MODE_VARIABLE_PEAK; + vb.dwVideoBitRate = port->encoder_params.bitrate; + vb.dwVideoBitRatePeak = port->encoder_params.bitrate_peak; + ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR, + EU_VIDEO_BIT_RATE_CONTROL, + sizeof(struct tmComResEncVideoBitRate), + &vb); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + /* Establish audio bitrates */ + ab.ucAudioBitRateMode = 0; + ab.dwAudioBitRate = 384000; + ab.dwAudioBitRatePeak = ab.dwAudioBitRate; + ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR, + EU_AUDIO_BIT_RATE_CONTROL, + sizeof(struct tmComResEncAudioBitRate), + &ab); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, + ret); + + saa7164_api_set_aspect_ratio(port); + saa7164_api_set_gop_size(port); + + return ret; +} + +int saa7164_api_get_encoder(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + struct tmComResEncVideoBitRate v; + struct tmComResEncAudioBitRate a; + struct tmComResEncVideoInputAspectRatio ar; + int ret; + + dprintk(DBGLVL_ENC, "%s() unitid=0x%x\n", __func__, + port->hwcfg.sourceid); + + port->encoder_profile = 0; + port->video_format = 0; + port->video_resolution = 0; + port->audio_format = 0; + + ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, GET_CUR, + EU_PROFILE_CONTROL, sizeof(u8), &port->encoder_profile); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, GET_CUR, + EU_VIDEO_RESOLUTION_CONTROL, sizeof(u8), + &port->video_resolution); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, GET_CUR, + EU_VIDEO_FORMAT_CONTROL, sizeof(u8), &port->video_format); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, GET_CUR, + EU_VIDEO_BIT_RATE_CONTROL, sizeof(v), &v); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, GET_CUR, + EU_AUDIO_FORMAT_CONTROL, sizeof(u8), &port->audio_format); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, GET_CUR, + EU_AUDIO_BIT_RATE_CONTROL, sizeof(a), &a); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + /* Aspect Ratio */ + ar.width = 0; + ar.height = 0; + ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, GET_CUR, + EU_VIDEO_INPUT_ASPECT_CONTROL, + sizeof(struct tmComResEncVideoInputAspectRatio), &ar); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + dprintk(DBGLVL_ENC, "encoder_profile = %d\n", port->encoder_profile); + dprintk(DBGLVL_ENC, "video_format = %d\n", port->video_format); + dprintk(DBGLVL_ENC, "audio_format = %d\n", port->audio_format); + dprintk(DBGLVL_ENC, "video_resolution= %d\n", port->video_resolution); + dprintk(DBGLVL_ENC, "v.ucVideoBitRateMode = %d\n", + v.ucVideoBitRateMode); + dprintk(DBGLVL_ENC, "v.dwVideoBitRate = %d\n", + v.dwVideoBitRate); + dprintk(DBGLVL_ENC, "v.dwVideoBitRatePeak = %d\n", + v.dwVideoBitRatePeak); + dprintk(DBGLVL_ENC, "a.ucVideoBitRateMode = %d\n", + a.ucAudioBitRateMode); + dprintk(DBGLVL_ENC, "a.dwVideoBitRate = %d\n", + a.dwAudioBitRate); + dprintk(DBGLVL_ENC, "a.dwVideoBitRatePeak = %d\n", + a.dwAudioBitRatePeak); + dprintk(DBGLVL_ENC, "aspect.width / height = %d:%d\n", + ar.width, ar.height); + + return ret; +} + +int saa7164_api_set_aspect_ratio(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + struct tmComResEncVideoInputAspectRatio ar; + int ret; + + dprintk(DBGLVL_ENC, "%s(%d)\n", __func__, + port->encoder_params.ctl_aspect); + + switch (port->encoder_params.ctl_aspect) { + case V4L2_MPEG_VIDEO_ASPECT_1x1: + ar.width = 1; + ar.height = 1; + break; + case V4L2_MPEG_VIDEO_ASPECT_4x3: + ar.width = 4; + ar.height = 3; + break; + case V4L2_MPEG_VIDEO_ASPECT_16x9: + ar.width = 16; + ar.height = 9; + break; + case V4L2_MPEG_VIDEO_ASPECT_221x100: + ar.width = 221; + ar.height = 100; + break; + default: + BUG(); + } + + dprintk(DBGLVL_ENC, "%s(%d) now %d:%d\n", __func__, + port->encoder_params.ctl_aspect, + ar.width, ar.height); + + /* Aspect Ratio */ + ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR, + EU_VIDEO_INPUT_ASPECT_CONTROL, + sizeof(struct tmComResEncVideoInputAspectRatio), &ar); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + return ret; +} + +int saa7164_api_set_usercontrol(struct saa7164_port *port, u8 ctl) +{ + struct saa7164_dev *dev = port->dev; + int ret; + u16 val; + + if (ctl == PU_BRIGHTNESS_CONTROL) + val = port->ctl_brightness; + else + if (ctl == PU_CONTRAST_CONTROL) + val = port->ctl_contrast; + else + if (ctl == PU_HUE_CONTROL) + val = port->ctl_hue; + else + if (ctl == PU_SATURATION_CONTROL) + val = port->ctl_saturation; + else + if (ctl == PU_SHARPNESS_CONTROL) + val = port->ctl_sharpness; + else + return -EINVAL; + + dprintk(DBGLVL_ENC, "%s() unitid=0x%x ctl=%d, val=%d\n", + __func__, port->encunit.vsourceid, ctl, val); + + ret = saa7164_cmd_send(port->dev, port->encunit.vsourceid, SET_CUR, + ctl, sizeof(u16), &val); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + return ret; +} + +int saa7164_api_get_usercontrol(struct saa7164_port *port, u8 ctl) +{ + struct saa7164_dev *dev = port->dev; + int ret; + u16 val; + + ret = saa7164_cmd_send(port->dev, port->encunit.vsourceid, GET_CUR, + ctl, sizeof(u16), &val); + if (ret != SAA_OK) { + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + return ret; + } + + dprintk(DBGLVL_ENC, "%s() ctl=%d, val=%d\n", + __func__, ctl, val); + + if (ctl == PU_BRIGHTNESS_CONTROL) + port->ctl_brightness = val; + else + if (ctl == PU_CONTRAST_CONTROL) + port->ctl_contrast = val; + else + if (ctl == PU_HUE_CONTROL) + port->ctl_hue = val; + else + if (ctl == PU_SATURATION_CONTROL) + port->ctl_saturation = val; + else + if (ctl == PU_SHARPNESS_CONTROL) + port->ctl_sharpness = val; + + return ret; +} + +int saa7164_api_set_videomux(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + u8 inputs[] = { 1, 2, 2, 2, 5, 5, 5 }; + int ret; + + dprintk(DBGLVL_ENC, "%s() v_mux=%d a_mux=%d\n", + __func__, port->mux_input, inputs[port->mux_input - 1]); + + /* Audio Mute */ + ret = saa7164_api_audio_mute(port, 1); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + /* Video Mux */ + ret = saa7164_cmd_send(port->dev, port->vidproc.sourceid, SET_CUR, + SU_INPUT_SELECT_CONTROL, sizeof(u8), &port->mux_input); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + /* Audio Mux */ + ret = saa7164_cmd_send(port->dev, port->audfeat.sourceid, SET_CUR, + SU_INPUT_SELECT_CONTROL, sizeof(u8), + &inputs[port->mux_input - 1]); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + /* Audio UnMute */ + ret = saa7164_api_audio_mute(port, 0); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + return ret; +} + +int saa7164_api_audio_mute(struct saa7164_port *port, int mute) +{ + struct saa7164_dev *dev = port->dev; + u8 v = mute; + int ret; + + dprintk(DBGLVL_API, "%s(%d)\n", __func__, mute); + + ret = saa7164_cmd_send(port->dev, port->audfeat.unitid, SET_CUR, + MUTE_CONTROL, sizeof(u8), &v); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + return ret; +} + +/* 0 = silence, 0xff = full */ +int saa7164_api_set_audio_volume(struct saa7164_port *port, s8 level) +{ + struct saa7164_dev *dev = port->dev; + s16 v, min, max; + int ret; + + dprintk(DBGLVL_API, "%s(%d)\n", __func__, level); + + /* Obtain the min/max ranges */ + ret = saa7164_cmd_send(port->dev, port->audfeat.unitid, GET_MIN, + VOLUME_CONTROL, sizeof(u16), &min); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + ret = saa7164_cmd_send(port->dev, port->audfeat.unitid, GET_MAX, + VOLUME_CONTROL, sizeof(u16), &max); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + ret = saa7164_cmd_send(port->dev, port->audfeat.unitid, GET_CUR, + (0x01 << 8) | VOLUME_CONTROL, sizeof(u16), &v); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + dprintk(DBGLVL_API, "%s(%d) min=%d max=%d cur=%d\n", __func__, + level, min, max, v); + + v = level; + if (v < min) + v = min; + if (v > max) + v = max; + + /* Left */ + ret = saa7164_cmd_send(port->dev, port->audfeat.unitid, SET_CUR, + (0x01 << 8) | VOLUME_CONTROL, sizeof(s16), &v); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + /* Right */ + ret = saa7164_cmd_send(port->dev, port->audfeat.unitid, SET_CUR, + (0x02 << 8) | VOLUME_CONTROL, sizeof(s16), &v); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + ret = saa7164_cmd_send(port->dev, port->audfeat.unitid, GET_CUR, + (0x01 << 8) | VOLUME_CONTROL, sizeof(u16), &v); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + dprintk(DBGLVL_API, "%s(%d) min=%d max=%d cur=%d\n", __func__, + level, min, max, v); + + return ret; +} + +int saa7164_api_set_audio_std(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + struct tmComResAudioDefaults lvl; + struct tmComResTunerStandard tvaudio; + int ret; + + dprintk(DBGLVL_API, "%s()\n", __func__); + + /* Establish default levels */ + lvl.ucDecoderLevel = TMHW_LEV_ADJ_DECLEV_DEFAULT; + lvl.ucDecoderFM_Level = TMHW_LEV_ADJ_DECLEV_DEFAULT; + lvl.ucMonoLevel = TMHW_LEV_ADJ_MONOLEV_DEFAULT; + lvl.ucNICAM_Level = TMHW_LEV_ADJ_NICLEV_DEFAULT; + lvl.ucSAP_Level = TMHW_LEV_ADJ_SAPLEV_DEFAULT; + lvl.ucADC_Level = TMHW_LEV_ADJ_ADCLEV_DEFAULT; + ret = saa7164_cmd_send(port->dev, port->audfeat.unitid, SET_CUR, + AUDIO_DEFAULT_CONTROL, sizeof(struct tmComResAudioDefaults), + &lvl); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + /* Manually select the appropriate TV audio standard */ + if (port->encodernorm.id & V4L2_STD_NTSC) { + tvaudio.std = TU_STANDARD_NTSC_M; + tvaudio.country = 1; + } else { + tvaudio.std = TU_STANDARD_PAL_I; + tvaudio.country = 44; + } + + ret = saa7164_cmd_send(port->dev, port->tunerunit.unitid, SET_CUR, + TU_STANDARD_CONTROL, sizeof(tvaudio), &tvaudio); + if (ret != SAA_OK) + printk(KERN_ERR "%s() TU_STANDARD_CONTROL error, ret = 0x%x\n", + __func__, ret); + return ret; +} + +int saa7164_api_set_audio_detection(struct saa7164_port *port, int autodetect) +{ + struct saa7164_dev *dev = port->dev; + struct tmComResTunerStandardAuto p; + int ret; + + dprintk(DBGLVL_API, "%s(%d)\n", __func__, autodetect); + + /* Disable TV Audio autodetect if not already set (buggy) */ + if (autodetect) + p.mode = TU_STANDARD_AUTO; + else + p.mode = TU_STANDARD_MANUAL; + ret = saa7164_cmd_send(port->dev, port->tunerunit.unitid, SET_CUR, + TU_STANDARD_AUTO_CONTROL, sizeof(p), &p); + if (ret != SAA_OK) + printk(KERN_ERR + "%s() TU_STANDARD_AUTO_CONTROL error, ret = 0x%x\n", + __func__, ret); + + return ret; +} + +int saa7164_api_get_videomux(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + int ret; + + ret = saa7164_cmd_send(port->dev, port->vidproc.sourceid, GET_CUR, + SU_INPUT_SELECT_CONTROL, sizeof(u8), &port->mux_input); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + dprintk(DBGLVL_ENC, "%s() v_mux=%d\n", + __func__, port->mux_input); + + return ret; +} + +static int saa7164_api_set_dif(struct saa7164_port *port, u8 reg, u8 val) +{ + struct saa7164_dev *dev = port->dev; + + u16 len = 0; + u8 buf[256]; + int ret; + u8 mas; + + dprintk(DBGLVL_API, "%s(nr=%d type=%d val=%x)\n", __func__, + port->nr, port->type, val); + + if (port->nr == 0) + mas = 0xd0; + else + mas = 0xe0; + + memset(buf, 0, sizeof(buf)); + + buf[0x00] = 0x04; + buf[0x01] = 0x00; + buf[0x02] = 0x00; + buf[0x03] = 0x00; + + buf[0x04] = 0x04; + buf[0x05] = 0x00; + buf[0x06] = 0x00; + buf[0x07] = 0x00; + + buf[0x08] = reg; + buf[0x09] = 0x26; + buf[0x0a] = mas; + buf[0x0b] = 0xb0; + + buf[0x0c] = val; + buf[0x0d] = 0x00; + buf[0x0e] = 0x00; + buf[0x0f] = 0x00; + + ret = saa7164_cmd_send(dev, port->ifunit.unitid, GET_LEN, + EXU_REGISTER_ACCESS_CONTROL, sizeof(len), &len); + if (ret != SAA_OK) { + printk(KERN_ERR "%s() error, ret(1) = 0x%x\n", __func__, ret); + return -EIO; + } + + ret = saa7164_cmd_send(dev, port->ifunit.unitid, SET_CUR, + EXU_REGISTER_ACCESS_CONTROL, len, &buf); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret(2) = 0x%x\n", __func__, ret); +#if 0 + print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1, buf, 16, + false); +#endif + return ret == SAA_OK ? 0 : -EIO; +} + +/* Disable the IF block AGC controls */ +int saa7164_api_configure_dif(struct saa7164_port *port, u32 std) +{ + struct saa7164_dev *dev = port->dev; + u8 agc_disable; + + dprintk(DBGLVL_API, "%s(nr=%d, 0x%x)\n", __func__, port->nr, std); + + if (std & V4L2_STD_NTSC) { + dprintk(DBGLVL_API, " NTSC\n"); + saa7164_api_set_dif(port, 0x00, 0x01); /* Video Standard */ + agc_disable = 0; + } else if (std & V4L2_STD_PAL_I) { + dprintk(DBGLVL_API, " PAL-I\n"); + saa7164_api_set_dif(port, 0x00, 0x08); /* Video Standard */ + agc_disable = 0; + } else if (std & V4L2_STD_PAL_M) { + dprintk(DBGLVL_API, " PAL-M\n"); + saa7164_api_set_dif(port, 0x00, 0x01); /* Video Standard */ + agc_disable = 0; + } else if (std & V4L2_STD_PAL_N) { + dprintk(DBGLVL_API, " PAL-N\n"); + saa7164_api_set_dif(port, 0x00, 0x01); /* Video Standard */ + agc_disable = 0; + } else if (std & V4L2_STD_PAL_Nc) { + dprintk(DBGLVL_API, " PAL-Nc\n"); + saa7164_api_set_dif(port, 0x00, 0x01); /* Video Standard */ + agc_disable = 0; + } else if (std & V4L2_STD_PAL_B) { + dprintk(DBGLVL_API, " PAL-B\n"); + saa7164_api_set_dif(port, 0x00, 0x02); /* Video Standard */ + agc_disable = 0; + } else if (std & V4L2_STD_PAL_DK) { + dprintk(DBGLVL_API, " PAL-DK\n"); + saa7164_api_set_dif(port, 0x00, 0x10); /* Video Standard */ + agc_disable = 0; + } else if (std & V4L2_STD_SECAM_L) { + dprintk(DBGLVL_API, " SECAM-L\n"); + saa7164_api_set_dif(port, 0x00, 0x20); /* Video Standard */ + agc_disable = 0; + } else { + /* Unknown standard, assume DTV */ + dprintk(DBGLVL_API, " Unknown (assuming DTV)\n"); + /* Undefinded Video Standard */ + saa7164_api_set_dif(port, 0x00, 0x80); + agc_disable = 1; + } + + saa7164_api_set_dif(port, 0x48, 0xa0); /* AGC Functions 1 */ + saa7164_api_set_dif(port, 0xc0, agc_disable); /* AGC Output Disable */ + saa7164_api_set_dif(port, 0x7c, 0x04); /* CVBS EQ */ + saa7164_api_set_dif(port, 0x04, 0x01); /* Active */ + msleep(100); + saa7164_api_set_dif(port, 0x04, 0x00); /* Active (again) */ + msleep(100); + + return 0; +} + +/* Ensure the dif is in the correct state for the operating mode + * (analog / dtv). We only configure the diff through the analog encoder + * so when we're in digital mode we need to find the appropriate encoder + * and use it to configure the DIF. + */ +int saa7164_api_initialize_dif(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + struct saa7164_port *p = NULL; + int ret = -EINVAL; + u32 std = 0; + + dprintk(DBGLVL_API, "%s(nr=%d type=%d)\n", __func__, + port->nr, port->type); + + if (port->type == SAA7164_MPEG_ENCODER) { + /* Pick any analog standard to init the diff. + * we'll come back during encoder_init' + * and set the correct standard if requried. + */ + std = V4L2_STD_NTSC; + } else + if (port->type == SAA7164_MPEG_DVB) { + if (port->nr == SAA7164_PORT_TS1) + p = &dev->ports[SAA7164_PORT_ENC1]; + else + p = &dev->ports[SAA7164_PORT_ENC2]; + } else + if (port->type == SAA7164_MPEG_VBI) { + std = V4L2_STD_NTSC; + if (port->nr == SAA7164_PORT_VBI1) + p = &dev->ports[SAA7164_PORT_ENC1]; + else + p = &dev->ports[SAA7164_PORT_ENC2]; + } else + BUG(); + + if (p) + ret = saa7164_api_configure_dif(p, std); + + return ret; +} + +int saa7164_api_transition_port(struct saa7164_port *port, u8 mode) +{ + struct saa7164_dev *dev = port->dev; + + int ret; + + dprintk(DBGLVL_API, "%s(nr=%d unitid=0x%x,%d)\n", + __func__, port->nr, port->hwcfg.unitid, mode); + + ret = saa7164_cmd_send(port->dev, port->hwcfg.unitid, SET_CUR, + SAA_STATE_CONTROL, sizeof(mode), &mode); + if (ret != SAA_OK) + printk(KERN_ERR "%s(portnr %d unitid 0x%x) error, ret = 0x%x\n", + __func__, port->nr, port->hwcfg.unitid, ret); + + return ret; +} + +int saa7164_api_get_fw_version(struct saa7164_dev *dev, u32 *version) +{ + int ret; + + ret = saa7164_cmd_send(dev, 0, GET_CUR, + GET_FW_VERSION_CONTROL, sizeof(u32), version); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + return ret; +} + +int saa7164_api_read_eeprom(struct saa7164_dev *dev, u8 *buf, int buflen) +{ + u8 reg[] = { 0x0f, 0x00 }; + + if (buflen < 128) + return -ENOMEM; + + /* Assumption: Hauppauge eeprom is at 0xa0 on on bus 0 */ + /* TODO: Pull the details from the boards struct */ + return saa7164_api_i2c_read(&dev->i2c_bus[0], 0xa0 >> 1, sizeof(reg), + ®[0], 128, buf); +} + +static int saa7164_api_configure_port_vbi(struct saa7164_dev *dev, + struct saa7164_port *port) +{ + struct tmComResVBIFormatDescrHeader *fmt = &port->vbi_fmt_ntsc; + + dprintk(DBGLVL_API, " bFormatIndex = 0x%x\n", fmt->bFormatIndex); + dprintk(DBGLVL_API, " VideoStandard = 0x%x\n", fmt->VideoStandard); + dprintk(DBGLVL_API, " StartLine = %d\n", fmt->StartLine); + dprintk(DBGLVL_API, " EndLine = %d\n", fmt->EndLine); + dprintk(DBGLVL_API, " FieldRate = %d\n", fmt->FieldRate); + dprintk(DBGLVL_API, " bNumLines = %d\n", fmt->bNumLines); + + /* Cache the hardware configuration in the port */ + + port->bufcounter = port->hwcfg.BARLocation; + port->pitch = port->hwcfg.BARLocation + (2 * sizeof(u32)); + port->bufsize = port->hwcfg.BARLocation + (3 * sizeof(u32)); + port->bufoffset = port->hwcfg.BARLocation + (4 * sizeof(u32)); + port->bufptr32l = port->hwcfg.BARLocation + + (4 * sizeof(u32)) + + (sizeof(u32) * port->hwcfg.buffercount) + sizeof(u32); + port->bufptr32h = port->hwcfg.BARLocation + + (4 * sizeof(u32)) + + (sizeof(u32) * port->hwcfg.buffercount); + port->bufptr64 = port->hwcfg.BARLocation + + (4 * sizeof(u32)) + + (sizeof(u32) * port->hwcfg.buffercount); + dprintk(DBGLVL_API, " = port->hwcfg.BARLocation = 0x%x\n", + port->hwcfg.BARLocation); + + dprintk(DBGLVL_API, " = VS_FORMAT_VBI (becomes dev->en[%d])\n", + port->nr); + + return 0; +} + +static int +saa7164_api_configure_port_mpeg2ts(struct saa7164_dev *dev, + struct saa7164_port *port, + struct tmComResTSFormatDescrHeader *tsfmt) +{ + dprintk(DBGLVL_API, " bFormatIndex = 0x%x\n", tsfmt->bFormatIndex); + dprintk(DBGLVL_API, " bDataOffset = 0x%x\n", tsfmt->bDataOffset); + dprintk(DBGLVL_API, " bPacketLength= 0x%x\n", tsfmt->bPacketLength); + dprintk(DBGLVL_API, " bStrideLength= 0x%x\n", tsfmt->bStrideLength); + dprintk(DBGLVL_API, " bguid = (....)\n"); + + /* Cache the hardware configuration in the port */ + + port->bufcounter = port->hwcfg.BARLocation; + port->pitch = port->hwcfg.BARLocation + (2 * sizeof(u32)); + port->bufsize = port->hwcfg.BARLocation + (3 * sizeof(u32)); + port->bufoffset = port->hwcfg.BARLocation + (4 * sizeof(u32)); + port->bufptr32l = port->hwcfg.BARLocation + + (4 * sizeof(u32)) + + (sizeof(u32) * port->hwcfg.buffercount) + sizeof(u32); + port->bufptr32h = port->hwcfg.BARLocation + + (4 * sizeof(u32)) + + (sizeof(u32) * port->hwcfg.buffercount); + port->bufptr64 = port->hwcfg.BARLocation + + (4 * sizeof(u32)) + + (sizeof(u32) * port->hwcfg.buffercount); + dprintk(DBGLVL_API, " = port->hwcfg.BARLocation = 0x%x\n", + port->hwcfg.BARLocation); + + dprintk(DBGLVL_API, " = VS_FORMAT_MPEGTS (becomes dev->ts[%d])\n", + port->nr); + + return 0; +} + +static int +saa7164_api_configure_port_mpeg2ps(struct saa7164_dev *dev, + struct saa7164_port *port, + struct tmComResPSFormatDescrHeader *fmt) +{ + dprintk(DBGLVL_API, " bFormatIndex = 0x%x\n", fmt->bFormatIndex); + dprintk(DBGLVL_API, " wPacketLength= 0x%x\n", fmt->wPacketLength); + dprintk(DBGLVL_API, " wPackLength= 0x%x\n", fmt->wPackLength); + dprintk(DBGLVL_API, " bPackDataType= 0x%x\n", fmt->bPackDataType); + + /* Cache the hardware configuration in the port */ + /* TODO: CHECK THIS in the port config */ + port->bufcounter = port->hwcfg.BARLocation; + port->pitch = port->hwcfg.BARLocation + (2 * sizeof(u32)); + port->bufsize = port->hwcfg.BARLocation + (3 * sizeof(u32)); + port->bufoffset = port->hwcfg.BARLocation + (4 * sizeof(u32)); + port->bufptr32l = port->hwcfg.BARLocation + + (4 * sizeof(u32)) + + (sizeof(u32) * port->hwcfg.buffercount) + sizeof(u32); + port->bufptr32h = port->hwcfg.BARLocation + + (4 * sizeof(u32)) + + (sizeof(u32) * port->hwcfg.buffercount); + port->bufptr64 = port->hwcfg.BARLocation + + (4 * sizeof(u32)) + + (sizeof(u32) * port->hwcfg.buffercount); + dprintk(DBGLVL_API, " = port->hwcfg.BARLocation = 0x%x\n", + port->hwcfg.BARLocation); + + dprintk(DBGLVL_API, " = VS_FORMAT_MPEGPS (becomes dev->enc[%d])\n", + port->nr); + + return 0; +} + +static int saa7164_api_dump_subdevs(struct saa7164_dev *dev, u8 *buf, int len) +{ + struct saa7164_port *tsport = NULL; + struct saa7164_port *encport = NULL; + struct saa7164_port *vbiport = NULL; + u32 idx, next_offset; + int i; + struct tmComResDescrHeader *hdr, *t; + struct tmComResExtDevDescrHeader *exthdr; + struct tmComResPathDescrHeader *pathhdr; + struct tmComResAntTermDescrHeader *anttermhdr; + struct tmComResTunerDescrHeader *tunerunithdr; + struct tmComResDMATermDescrHeader *vcoutputtermhdr; + struct tmComResTSFormatDescrHeader *tsfmt; + struct tmComResPSFormatDescrHeader *psfmt; + struct tmComResSelDescrHeader *psel; + struct tmComResProcDescrHeader *pdh; + struct tmComResAFeatureDescrHeader *afd; + struct tmComResEncoderDescrHeader *edh; + struct tmComResVBIFormatDescrHeader *vbifmt; + u32 currpath = 0; + + dprintk(DBGLVL_API, + "%s(?,?,%d) sizeof(struct tmComResDescrHeader) = %d bytes\n", + __func__, len, (u32)sizeof(struct tmComResDescrHeader)); + + for (idx = 0; idx < (len - sizeof(struct tmComResDescrHeader));) { + + hdr = (struct tmComResDescrHeader *)(buf + idx); + + if (hdr->type != CS_INTERFACE) + return SAA_ERR_NOT_SUPPORTED; + + dprintk(DBGLVL_API, "@ 0x%x =\n", idx); + switch (hdr->subtype) { + case GENERAL_REQUEST: + dprintk(DBGLVL_API, " GENERAL_REQUEST\n"); + break; + case VC_TUNER_PATH: + dprintk(DBGLVL_API, " VC_TUNER_PATH\n"); + pathhdr = (struct tmComResPathDescrHeader *)(buf + idx); + dprintk(DBGLVL_API, " pathid = 0x%x\n", + pathhdr->pathid); + currpath = pathhdr->pathid; + break; + case VC_INPUT_TERMINAL: + dprintk(DBGLVL_API, " VC_INPUT_TERMINAL\n"); + anttermhdr = + (struct tmComResAntTermDescrHeader *)(buf + idx); + dprintk(DBGLVL_API, " terminalid = 0x%x\n", + anttermhdr->terminalid); + dprintk(DBGLVL_API, " terminaltype = 0x%x\n", + anttermhdr->terminaltype); + switch (anttermhdr->terminaltype) { + case ITT_ANTENNA: + dprintk(DBGLVL_API, " = ITT_ANTENNA\n"); + break; + case LINE_CONNECTOR: + dprintk(DBGLVL_API, " = LINE_CONNECTOR\n"); + break; + case SPDIF_CONNECTOR: + dprintk(DBGLVL_API, " = SPDIF_CONNECTOR\n"); + break; + case COMPOSITE_CONNECTOR: + dprintk(DBGLVL_API, + " = COMPOSITE_CONNECTOR\n"); + break; + case SVIDEO_CONNECTOR: + dprintk(DBGLVL_API, " = SVIDEO_CONNECTOR\n"); + break; + case COMPONENT_CONNECTOR: + dprintk(DBGLVL_API, + " = COMPONENT_CONNECTOR\n"); + break; + case STANDARD_DMA: + dprintk(DBGLVL_API, " = STANDARD_DMA\n"); + break; + default: + dprintk(DBGLVL_API, " = undefined (0x%x)\n", + anttermhdr->terminaltype); + } + dprintk(DBGLVL_API, " assocterminal= 0x%x\n", + anttermhdr->assocterminal); + dprintk(DBGLVL_API, " iterminal = 0x%x\n", + anttermhdr->iterminal); + dprintk(DBGLVL_API, " controlsize = 0x%x\n", + anttermhdr->controlsize); + break; + case VC_OUTPUT_TERMINAL: + dprintk(DBGLVL_API, " VC_OUTPUT_TERMINAL\n"); + vcoutputtermhdr = + (struct tmComResDMATermDescrHeader *)(buf + idx); + dprintk(DBGLVL_API, " unitid = 0x%x\n", + vcoutputtermhdr->unitid); + dprintk(DBGLVL_API, " terminaltype = 0x%x\n", + vcoutputtermhdr->terminaltype); + switch (vcoutputtermhdr->terminaltype) { + case ITT_ANTENNA: + dprintk(DBGLVL_API, " = ITT_ANTENNA\n"); + break; + case LINE_CONNECTOR: + dprintk(DBGLVL_API, " = LINE_CONNECTOR\n"); + break; + case SPDIF_CONNECTOR: + dprintk(DBGLVL_API, " = SPDIF_CONNECTOR\n"); + break; + case COMPOSITE_CONNECTOR: + dprintk(DBGLVL_API, + " = COMPOSITE_CONNECTOR\n"); + break; + case SVIDEO_CONNECTOR: + dprintk(DBGLVL_API, " = SVIDEO_CONNECTOR\n"); + break; + case COMPONENT_CONNECTOR: + dprintk(DBGLVL_API, + " = COMPONENT_CONNECTOR\n"); + break; + case STANDARD_DMA: + dprintk(DBGLVL_API, " = STANDARD_DMA\n"); + break; + default: + dprintk(DBGLVL_API, " = undefined (0x%x)\n", + vcoutputtermhdr->terminaltype); + } + dprintk(DBGLVL_API, " assocterminal= 0x%x\n", + vcoutputtermhdr->assocterminal); + dprintk(DBGLVL_API, " sourceid = 0x%x\n", + vcoutputtermhdr->sourceid); + dprintk(DBGLVL_API, " iterminal = 0x%x\n", + vcoutputtermhdr->iterminal); + dprintk(DBGLVL_API, " BARLocation = 0x%x\n", + vcoutputtermhdr->BARLocation); + dprintk(DBGLVL_API, " flags = 0x%x\n", + vcoutputtermhdr->flags); + dprintk(DBGLVL_API, " interruptid = 0x%x\n", + vcoutputtermhdr->interruptid); + dprintk(DBGLVL_API, " buffercount = 0x%x\n", + vcoutputtermhdr->buffercount); + dprintk(DBGLVL_API, " metadatasize = 0x%x\n", + vcoutputtermhdr->metadatasize); + dprintk(DBGLVL_API, " controlsize = 0x%x\n", + vcoutputtermhdr->controlsize); + dprintk(DBGLVL_API, " numformats = 0x%x\n", + vcoutputtermhdr->numformats); + + t = (struct tmComResDescrHeader *) + ((struct tmComResDMATermDescrHeader *)(buf + idx)); + next_offset = idx + (vcoutputtermhdr->len); + for (i = 0; i < vcoutputtermhdr->numformats; i++) { + t = (struct tmComResDescrHeader *) + (buf + next_offset); + switch (t->subtype) { + case VS_FORMAT_MPEG2TS: + tsfmt = + (struct tmComResTSFormatDescrHeader *)t; + if (currpath == 1) + tsport = &dev->ports[SAA7164_PORT_TS1]; + else + tsport = &dev->ports[SAA7164_PORT_TS2]; + memcpy(&tsport->hwcfg, vcoutputtermhdr, + sizeof(*vcoutputtermhdr)); + saa7164_api_configure_port_mpeg2ts(dev, + tsport, tsfmt); + break; + case VS_FORMAT_MPEG2PS: + psfmt = + (struct tmComResPSFormatDescrHeader *)t; + if (currpath == 1) + encport = &dev->ports[SAA7164_PORT_ENC1]; + else + encport = &dev->ports[SAA7164_PORT_ENC2]; + memcpy(&encport->hwcfg, vcoutputtermhdr, + sizeof(*vcoutputtermhdr)); + saa7164_api_configure_port_mpeg2ps(dev, + encport, psfmt); + break; + case VS_FORMAT_VBI: + vbifmt = + (struct tmComResVBIFormatDescrHeader *)t; + if (currpath == 1) + vbiport = &dev->ports[SAA7164_PORT_VBI1]; + else + vbiport = &dev->ports[SAA7164_PORT_VBI2]; + memcpy(&vbiport->hwcfg, vcoutputtermhdr, + sizeof(*vcoutputtermhdr)); + memcpy(&vbiport->vbi_fmt_ntsc, vbifmt, + sizeof(*vbifmt)); + saa7164_api_configure_port_vbi(dev, + vbiport); + break; + case VS_FORMAT_RDS: + dprintk(DBGLVL_API, + " = VS_FORMAT_RDS\n"); + break; + case VS_FORMAT_UNCOMPRESSED: + dprintk(DBGLVL_API, + " = VS_FORMAT_UNCOMPRESSED\n"); + break; + case VS_FORMAT_TYPE: + dprintk(DBGLVL_API, + " = VS_FORMAT_TYPE\n"); + break; + default: + dprintk(DBGLVL_API, + " = undefined (0x%x)\n", + t->subtype); + } + next_offset += t->len; + } + + break; + case TUNER_UNIT: + dprintk(DBGLVL_API, " TUNER_UNIT\n"); + tunerunithdr = + (struct tmComResTunerDescrHeader *)(buf + idx); + dprintk(DBGLVL_API, " unitid = 0x%x\n", + tunerunithdr->unitid); + dprintk(DBGLVL_API, " sourceid = 0x%x\n", + tunerunithdr->sourceid); + dprintk(DBGLVL_API, " iunit = 0x%x\n", + tunerunithdr->iunit); + dprintk(DBGLVL_API, " tuningstandards = 0x%x\n", + tunerunithdr->tuningstandards); + dprintk(DBGLVL_API, " controlsize = 0x%x\n", + tunerunithdr->controlsize); + dprintk(DBGLVL_API, " controls = 0x%x\n", + tunerunithdr->controls); + + if (tunerunithdr->unitid == tunerunithdr->iunit) { + if (currpath == 1) + encport = &dev->ports[SAA7164_PORT_ENC1]; + else + encport = &dev->ports[SAA7164_PORT_ENC2]; + memcpy(&encport->tunerunit, tunerunithdr, + sizeof(struct tmComResTunerDescrHeader)); + dprintk(DBGLVL_API, + " (becomes dev->enc[%d] tuner)\n", + encport->nr); + } + break; + case VC_SELECTOR_UNIT: + psel = (struct tmComResSelDescrHeader *)(buf + idx); + dprintk(DBGLVL_API, " VC_SELECTOR_UNIT\n"); + dprintk(DBGLVL_API, " unitid = 0x%x\n", + psel->unitid); + dprintk(DBGLVL_API, " nrinpins = 0x%x\n", + psel->nrinpins); + dprintk(DBGLVL_API, " sourceid = 0x%x\n", + psel->sourceid); + break; + case VC_PROCESSING_UNIT: + pdh = (struct tmComResProcDescrHeader *)(buf + idx); + dprintk(DBGLVL_API, " VC_PROCESSING_UNIT\n"); + dprintk(DBGLVL_API, " unitid = 0x%x\n", + pdh->unitid); + dprintk(DBGLVL_API, " sourceid = 0x%x\n", + pdh->sourceid); + dprintk(DBGLVL_API, " controlsize = 0x%x\n", + pdh->controlsize); + if (pdh->controlsize == 0x04) { + if (currpath == 1) + encport = &dev->ports[SAA7164_PORT_ENC1]; + else + encport = &dev->ports[SAA7164_PORT_ENC2]; + memcpy(&encport->vidproc, pdh, + sizeof(struct tmComResProcDescrHeader)); + dprintk(DBGLVL_API, " (becomes dev->enc[%d])\n", + encport->nr); + } + break; + case FEATURE_UNIT: + afd = (struct tmComResAFeatureDescrHeader *)(buf + idx); + dprintk(DBGLVL_API, " FEATURE_UNIT\n"); + dprintk(DBGLVL_API, " unitid = 0x%x\n", + afd->unitid); + dprintk(DBGLVL_API, " sourceid = 0x%x\n", + afd->sourceid); + dprintk(DBGLVL_API, " controlsize = 0x%x\n", + afd->controlsize); + if (currpath == 1) + encport = &dev->ports[SAA7164_PORT_ENC1]; + else + encport = &dev->ports[SAA7164_PORT_ENC2]; + memcpy(&encport->audfeat, afd, + sizeof(struct tmComResAFeatureDescrHeader)); + dprintk(DBGLVL_API, " (becomes dev->enc[%d])\n", + encport->nr); + break; + case ENCODER_UNIT: + edh = (struct tmComResEncoderDescrHeader *)(buf + idx); + dprintk(DBGLVL_API, " ENCODER_UNIT\n"); + dprintk(DBGLVL_API, " subtype = 0x%x\n", edh->subtype); + dprintk(DBGLVL_API, " unitid = 0x%x\n", edh->unitid); + dprintk(DBGLVL_API, " vsourceid = 0x%x\n", + edh->vsourceid); + dprintk(DBGLVL_API, " asourceid = 0x%x\n", + edh->asourceid); + dprintk(DBGLVL_API, " iunit = 0x%x\n", edh->iunit); + if (edh->iunit == edh->unitid) { + if (currpath == 1) + encport = &dev->ports[SAA7164_PORT_ENC1]; + else + encport = &dev->ports[SAA7164_PORT_ENC2]; + memcpy(&encport->encunit, edh, + sizeof(struct tmComResEncoderDescrHeader)); + dprintk(DBGLVL_API, + " (becomes dev->enc[%d])\n", + encport->nr); + } + break; + case EXTENSION_UNIT: + dprintk(DBGLVL_API, " EXTENSION_UNIT\n"); + exthdr = (struct tmComResExtDevDescrHeader *)(buf + idx); + dprintk(DBGLVL_API, " unitid = 0x%x\n", + exthdr->unitid); + dprintk(DBGLVL_API, " deviceid = 0x%x\n", + exthdr->deviceid); + dprintk(DBGLVL_API, " devicetype = 0x%x\n", + exthdr->devicetype); + if (exthdr->devicetype & 0x1) + dprintk(DBGLVL_API, " = Decoder Device\n"); + if (exthdr->devicetype & 0x2) + dprintk(DBGLVL_API, " = GPIO Source\n"); + if (exthdr->devicetype & 0x4) + dprintk(DBGLVL_API, " = Video Decoder\n"); + if (exthdr->devicetype & 0x8) + dprintk(DBGLVL_API, " = Audio Decoder\n"); + if (exthdr->devicetype & 0x20) + dprintk(DBGLVL_API, " = Crossbar\n"); + if (exthdr->devicetype & 0x40) + dprintk(DBGLVL_API, " = Tuner\n"); + if (exthdr->devicetype & 0x80) + dprintk(DBGLVL_API, " = IF PLL\n"); + if (exthdr->devicetype & 0x100) + dprintk(DBGLVL_API, " = Demodulator\n"); + if (exthdr->devicetype & 0x200) + dprintk(DBGLVL_API, " = RDS Decoder\n"); + if (exthdr->devicetype & 0x400) + dprintk(DBGLVL_API, " = Encoder\n"); + if (exthdr->devicetype & 0x800) + dprintk(DBGLVL_API, " = IR Decoder\n"); + if (exthdr->devicetype & 0x1000) + dprintk(DBGLVL_API, " = EEPROM\n"); + if (exthdr->devicetype & 0x2000) + dprintk(DBGLVL_API, + " = VBI Decoder\n"); + if (exthdr->devicetype & 0x10000) + dprintk(DBGLVL_API, + " = Streaming Device\n"); + if (exthdr->devicetype & 0x20000) + dprintk(DBGLVL_API, + " = DRM Device\n"); + if (exthdr->devicetype & 0x40000000) + dprintk(DBGLVL_API, + " = Generic Device\n"); + if (exthdr->devicetype & 0x80000000) + dprintk(DBGLVL_API, + " = Config Space Device\n"); + dprintk(DBGLVL_API, " numgpiopins = 0x%x\n", + exthdr->numgpiopins); + dprintk(DBGLVL_API, " numgpiogroups = 0x%x\n", + exthdr->numgpiogroups); + dprintk(DBGLVL_API, " controlsize = 0x%x\n", + exthdr->controlsize); + if (exthdr->devicetype & 0x80) { + if (currpath == 1) + encport = &dev->ports[SAA7164_PORT_ENC1]; + else + encport = &dev->ports[SAA7164_PORT_ENC2]; + memcpy(&encport->ifunit, exthdr, + sizeof(struct tmComResExtDevDescrHeader)); + dprintk(DBGLVL_API, + " (becomes dev->enc[%d])\n", + encport->nr); + } + break; + case PVC_INFRARED_UNIT: + dprintk(DBGLVL_API, " PVC_INFRARED_UNIT\n"); + break; + case DRM_UNIT: + dprintk(DBGLVL_API, " DRM_UNIT\n"); + break; + default: + dprintk(DBGLVL_API, "default %d\n", hdr->subtype); + } + + dprintk(DBGLVL_API, " 1.%x\n", hdr->len); + dprintk(DBGLVL_API, " 2.%x\n", hdr->type); + dprintk(DBGLVL_API, " 3.%x\n", hdr->subtype); + dprintk(DBGLVL_API, " 4.%x\n", hdr->unitid); + + idx += hdr->len; + } + + return 0; +} + +int saa7164_api_enum_subdevs(struct saa7164_dev *dev) +{ + int ret; + u32 buflen = 0; + u8 *buf; + + dprintk(DBGLVL_API, "%s()\n", __func__); + + /* Get the total descriptor length */ + ret = saa7164_cmd_send(dev, 0, GET_LEN, + GET_DESCRIPTORS_CONTROL, sizeof(buflen), &buflen); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + dprintk(DBGLVL_API, "%s() total descriptor size = %d bytes.\n", + __func__, buflen); + + /* Allocate enough storage for all of the descs */ + buf = kzalloc(buflen, GFP_KERNEL); + if (!buf) + return SAA_ERR_NO_RESOURCES; + + /* Retrieve them */ + ret = saa7164_cmd_send(dev, 0, GET_CUR, + GET_DESCRIPTORS_CONTROL, buflen, buf); + if (ret != SAA_OK) { + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + goto out; + } + + if (saa_debug & DBGLVL_API) + print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1, buf, + buflen & ~15, false); + + saa7164_api_dump_subdevs(dev, buf, buflen); + +out: + kfree(buf); + return ret; +} + +int saa7164_api_i2c_read(struct saa7164_i2c *bus, u8 addr, u32 reglen, u8 *reg, + u32 datalen, u8 *data) +{ + struct saa7164_dev *dev = bus->dev; + u16 len = 0; + int unitid; + u8 buf[256]; + int ret; + + dprintk(DBGLVL_API, "%s()\n", __func__); + + if (reglen > 4) + return -EIO; + + /* Prepare the send buffer */ + /* Bytes 00-03 source register length + * 04-07 source bytes to read + * 08... register address + */ + memset(buf, 0, sizeof(buf)); + memcpy((buf + 2 * sizeof(u32) + 0), reg, reglen); + *((u32 *)(buf + 0 * sizeof(u32))) = reglen; + *((u32 *)(buf + 1 * sizeof(u32))) = datalen; + + unitid = saa7164_i2caddr_to_unitid(bus, addr); + if (unitid < 0) { + printk(KERN_ERR + "%s() error, cannot translate regaddr 0x%x to unitid\n", + __func__, addr); + return -EIO; + } + + ret = saa7164_cmd_send(bus->dev, unitid, GET_LEN, + EXU_REGISTER_ACCESS_CONTROL, sizeof(len), &len); + if (ret != SAA_OK) { + printk(KERN_ERR "%s() error, ret(1) = 0x%x\n", __func__, ret); + return -EIO; + } + + dprintk(DBGLVL_API, "%s() len = %d bytes\n", __func__, len); + + if (saa_debug & DBGLVL_I2C) + print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1, buf, + 32, false); + + ret = saa7164_cmd_send(bus->dev, unitid, GET_CUR, + EXU_REGISTER_ACCESS_CONTROL, len, &buf); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret(2) = 0x%x\n", __func__, ret); + else { + if (saa_debug & DBGLVL_I2C) + print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1, + buf, sizeof(buf), false); + memcpy(data, (buf + 2 * sizeof(u32) + reglen), datalen); + } + + return ret == SAA_OK ? 0 : -EIO; +} + +/* For a given 8 bit i2c address device, write the buffer */ +int saa7164_api_i2c_write(struct saa7164_i2c *bus, u8 addr, u32 datalen, + u8 *data) +{ + struct saa7164_dev *dev = bus->dev; + u16 len = 0; + int unitid; + int reglen; + u8 buf[256]; + int ret; + + dprintk(DBGLVL_API, "%s()\n", __func__); + + if ((datalen == 0) || (datalen > 232)) + return -EIO; + + memset(buf, 0, sizeof(buf)); + + unitid = saa7164_i2caddr_to_unitid(bus, addr); + if (unitid < 0) { + printk(KERN_ERR + "%s() error, cannot translate regaddr 0x%x to unitid\n", + __func__, addr); + return -EIO; + } + + reglen = saa7164_i2caddr_to_reglen(bus, addr); + if (reglen < 0) { + printk(KERN_ERR + "%s() error, cannot translate regaddr to reglen\n", + __func__); + return -EIO; + } + + ret = saa7164_cmd_send(bus->dev, unitid, GET_LEN, + EXU_REGISTER_ACCESS_CONTROL, sizeof(len), &len); + if (ret != SAA_OK) { + printk(KERN_ERR "%s() error, ret(1) = 0x%x\n", __func__, ret); + return -EIO; + } + + dprintk(DBGLVL_API, "%s() len = %d bytes\n", __func__, len); + + /* Prepare the send buffer */ + /* Bytes 00-03 dest register length + * 04-07 dest bytes to write + * 08... register address + */ + *((u32 *)(buf + 0 * sizeof(u32))) = reglen; + *((u32 *)(buf + 1 * sizeof(u32))) = datalen - reglen; + memcpy((buf + 2 * sizeof(u32)), data, datalen); + + if (saa_debug & DBGLVL_I2C) + print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1, + buf, sizeof(buf), false); + + ret = saa7164_cmd_send(bus->dev, unitid, SET_CUR, + EXU_REGISTER_ACCESS_CONTROL, len, &buf); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret(2) = 0x%x\n", __func__, ret); + + return ret == SAA_OK ? 0 : -EIO; +} + +static int saa7164_api_modify_gpio(struct saa7164_dev *dev, u8 unitid, + u8 pin, u8 state) +{ + int ret; + struct tmComResGPIO t; + + dprintk(DBGLVL_API, "%s(0x%x, %d, %d)\n", + __func__, unitid, pin, state); + + if ((pin > 7) || (state > 2)) + return SAA_ERR_BAD_PARAMETER; + + t.pin = pin; + t.state = state; + + ret = saa7164_cmd_send(dev, unitid, SET_CUR, + EXU_GPIO_CONTROL, sizeof(t), &t); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", + __func__, ret); + + return ret; +} + +int saa7164_api_set_gpiobit(struct saa7164_dev *dev, u8 unitid, + u8 pin) +{ + return saa7164_api_modify_gpio(dev, unitid, pin, 1); +} + +int saa7164_api_clear_gpiobit(struct saa7164_dev *dev, u8 unitid, + u8 pin) +{ + return saa7164_api_modify_gpio(dev, unitid, pin, 0); +} + diff --git a/kernel/drivers/media/pci/saa7164/saa7164-buffer.c b/kernel/drivers/media/pci/saa7164/saa7164-buffer.c new file mode 100644 index 000000000..9bd1f73f8 --- /dev/null +++ b/kernel/drivers/media/pci/saa7164/saa7164-buffer.c @@ -0,0 +1,322 @@ +/* + * Driver for the NXP SAA7164 PCIe bridge + * + * Copyright (c) 2010 Steven Toth <stoth@kernellabs.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/slab.h> + +#include "saa7164.h" + +/* The PCI address space for buffer handling looks like this: + * + * +-u32 wide-------------+ + * | + + * +-u64 wide------------------------------------+ + * + + + * +----------------------+ + * | CurrentBufferPtr + Pointer to current PCI buffer >-+ + * +----------------------+ | + * | Unused + | + * +----------------------+ | + * | Pitch + = 188 (bytes) | + * +----------------------+ | + * | PCI buffer size + = pitch * number of lines (312) | + * +----------------------+ | + * |0| Buf0 Write Offset + | + * +----------------------+ v + * |1| Buf1 Write Offset + | + * +----------------------+ | + * |2| Buf2 Write Offset + | + * +----------------------+ | + * |3| Buf3 Write Offset + | + * +----------------------+ | + * ... More write offsets | + * +---------------------------------------------+ | + * +0| set of ptrs to PCI pagetables + | + * +---------------------------------------------+ | + * +1| set of ptrs to PCI pagetables + <--------+ + * +---------------------------------------------+ + * +2| set of ptrs to PCI pagetables + + * +---------------------------------------------+ + * +3| set of ptrs to PCI pagetables + >--+ + * +---------------------------------------------+ | + * ... More buffer pointers | +----------------+ + * +->| pt[0] TS data | + * | +----------------+ + * | + * | +----------------+ + * +->| pt[1] TS data | + * | +----------------+ + * | etc + */ + +void saa7164_buffer_display(struct saa7164_buffer *buf) +{ + struct saa7164_dev *dev = buf->port->dev; + int i; + + dprintk(DBGLVL_BUF, "%s() buffer @ 0x%p nr=%d\n", + __func__, buf, buf->idx); + dprintk(DBGLVL_BUF, " pci_cpu @ 0x%p dma @ 0x%08llx len = 0x%x\n", + buf->cpu, (long long)buf->dma, buf->pci_size); + dprintk(DBGLVL_BUF, " pt_cpu @ 0x%p pt_dma @ 0x%08llx len = 0x%x\n", + buf->pt_cpu, (long long)buf->pt_dma, buf->pt_size); + + /* Format the Page Table Entries to point into the data buffer */ + for (i = 0 ; i < SAA7164_PT_ENTRIES; i++) { + + dprintk(DBGLVL_BUF, " pt[%02d] = 0x%p -> 0x%llx\n", + i, buf->pt_cpu, (u64)*(buf->pt_cpu)); + + } +} +/* Allocate a new buffer structure and associated PCI space in bytes. + * len must be a multiple of sizeof(u64) + */ +struct saa7164_buffer *saa7164_buffer_alloc(struct saa7164_port *port, + u32 len) +{ + struct tmHWStreamParameters *params = &port->hw_streamingparams; + struct saa7164_buffer *buf = NULL; + struct saa7164_dev *dev = port->dev; + int i; + + if ((len == 0) || (len >= 65536) || (len % sizeof(u64))) { + log_warn("%s() SAA_ERR_BAD_PARAMETER\n", __func__); + goto ret; + } + + buf = kzalloc(sizeof(struct saa7164_buffer), GFP_KERNEL); + if (!buf) { + log_warn("%s() SAA_ERR_NO_RESOURCES\n", __func__); + goto ret; + } + + buf->idx = -1; + buf->port = port; + buf->flags = SAA7164_BUFFER_FREE; + buf->pos = 0; + buf->actual_size = params->pitch * params->numberoflines; + buf->crc = 0; + /* TODO: arg len is being ignored */ + buf->pci_size = SAA7164_PT_ENTRIES * 0x1000; + buf->pt_size = (SAA7164_PT_ENTRIES * sizeof(u64)) + 0x1000; + + /* Allocate contiguous memory */ + buf->cpu = pci_alloc_consistent(port->dev->pci, buf->pci_size, + &buf->dma); + if (!buf->cpu) + goto fail1; + + buf->pt_cpu = pci_alloc_consistent(port->dev->pci, buf->pt_size, + &buf->pt_dma); + if (!buf->pt_cpu) + goto fail2; + + /* init the buffers to a known pattern, easier during debugging */ + memset(buf->cpu, 0xff, buf->pci_size); + buf->crc = crc32(0, buf->cpu, buf->actual_size); + memset(buf->pt_cpu, 0xff, buf->pt_size); + + dprintk(DBGLVL_BUF, "%s() allocated buffer @ 0x%p (%d pageptrs)\n", + __func__, buf, params->numpagetables); + dprintk(DBGLVL_BUF, " pci_cpu @ 0x%p dma @ 0x%08lx len = 0x%x\n", + buf->cpu, (long)buf->dma, buf->pci_size); + dprintk(DBGLVL_BUF, " pt_cpu @ 0x%p pt_dma @ 0x%08lx len = 0x%x\n", + buf->pt_cpu, (long)buf->pt_dma, buf->pt_size); + + /* Format the Page Table Entries to point into the data buffer */ + for (i = 0 ; i < params->numpagetables; i++) { + + *(buf->pt_cpu + i) = buf->dma + (i * 0x1000); /* TODO */ + dprintk(DBGLVL_BUF, " pt[%02d] = 0x%p -> 0x%llx\n", + i, buf->pt_cpu, (u64)*(buf->pt_cpu)); + + } + + goto ret; + +fail2: + pci_free_consistent(port->dev->pci, buf->pci_size, buf->cpu, buf->dma); +fail1: + kfree(buf); + + buf = NULL; +ret: + return buf; +} + +int saa7164_buffer_dealloc(struct saa7164_buffer *buf) +{ + struct saa7164_dev *dev; + + if (!buf || !buf->port) + return SAA_ERR_BAD_PARAMETER; + dev = buf->port->dev; + + dprintk(DBGLVL_BUF, "%s() deallocating buffer @ 0x%p\n", + __func__, buf); + + if (buf->flags != SAA7164_BUFFER_FREE) + log_warn(" freeing a non-free buffer\n"); + + pci_free_consistent(dev->pci, buf->pci_size, buf->cpu, buf->dma); + pci_free_consistent(dev->pci, buf->pt_size, buf->pt_cpu, buf->pt_dma); + + kfree(buf); + + return SAA_OK; +} + +int saa7164_buffer_zero_offsets(struct saa7164_port *port, int i) +{ + struct saa7164_dev *dev = port->dev; + + if ((i < 0) || (i >= port->hwcfg.buffercount)) + return -EINVAL; + + dprintk(DBGLVL_BUF, "%s(idx = %d)\n", __func__, i); + + saa7164_writel(port->bufoffset + (sizeof(u32) * i), 0); + + return 0; +} + +/* Write a buffer into the hardware */ +int saa7164_buffer_activate(struct saa7164_buffer *buf, int i) +{ + struct saa7164_port *port = buf->port; + struct saa7164_dev *dev = port->dev; + + if ((i < 0) || (i >= port->hwcfg.buffercount)) + return -EINVAL; + + dprintk(DBGLVL_BUF, "%s(idx = %d)\n", __func__, i); + + buf->idx = i; /* Note of which buffer list index position we occupy */ + buf->flags = SAA7164_BUFFER_BUSY; + buf->pos = 0; + + /* TODO: Review this in light of 32v64 assignments */ + saa7164_writel(port->bufoffset + (sizeof(u32) * i), 0); + saa7164_writel(port->bufptr32h + ((sizeof(u32) * 2) * i), buf->pt_dma); + saa7164_writel(port->bufptr32l + ((sizeof(u32) * 2) * i), 0); + + dprintk(DBGLVL_BUF, " buf[%d] offset 0x%llx (0x%x) " + "buf 0x%llx/%llx (0x%x/%x) nr=%d\n", + buf->idx, + (u64)port->bufoffset + (i * sizeof(u32)), + saa7164_readl(port->bufoffset + (sizeof(u32) * i)), + (u64)port->bufptr32h + ((sizeof(u32) * 2) * i), + (u64)port->bufptr32l + ((sizeof(u32) * 2) * i), + saa7164_readl(port->bufptr32h + ((sizeof(u32) * i) * 2)), + saa7164_readl(port->bufptr32l + ((sizeof(u32) * i) * 2)), + buf->idx); + + return 0; +} + +int saa7164_buffer_cfg_port(struct saa7164_port *port) +{ + struct tmHWStreamParameters *params = &port->hw_streamingparams; + struct saa7164_dev *dev = port->dev; + struct saa7164_buffer *buf; + struct list_head *c, *n; + int i = 0; + + dprintk(DBGLVL_BUF, "%s(port=%d)\n", __func__, port->nr); + + saa7164_writel(port->bufcounter, 0); + saa7164_writel(port->pitch, params->pitch); + saa7164_writel(port->bufsize, params->pitch * params->numberoflines); + + dprintk(DBGLVL_BUF, " configured:\n"); + dprintk(DBGLVL_BUF, " lmmio 0x%p\n", dev->lmmio); + dprintk(DBGLVL_BUF, " bufcounter 0x%x = 0x%x\n", port->bufcounter, + saa7164_readl(port->bufcounter)); + + dprintk(DBGLVL_BUF, " pitch 0x%x = %d\n", port->pitch, + saa7164_readl(port->pitch)); + + dprintk(DBGLVL_BUF, " bufsize 0x%x = %d\n", port->bufsize, + saa7164_readl(port->bufsize)); + + dprintk(DBGLVL_BUF, " buffercount = %d\n", port->hwcfg.buffercount); + dprintk(DBGLVL_BUF, " bufoffset = 0x%x\n", port->bufoffset); + dprintk(DBGLVL_BUF, " bufptr32h = 0x%x\n", port->bufptr32h); + dprintk(DBGLVL_BUF, " bufptr32l = 0x%x\n", port->bufptr32l); + + /* Poke the buffers and offsets into PCI space */ + mutex_lock(&port->dmaqueue_lock); + list_for_each_safe(c, n, &port->dmaqueue.list) { + buf = list_entry(c, struct saa7164_buffer, list); + + if (buf->flags != SAA7164_BUFFER_FREE) + BUG(); + + /* Place the buffer in the h/w queue */ + saa7164_buffer_activate(buf, i); + + /* Don't exceed the device maximum # bufs */ + if (i++ > port->hwcfg.buffercount) + BUG(); + + } + mutex_unlock(&port->dmaqueue_lock); + + return 0; +} + +struct saa7164_user_buffer *saa7164_buffer_alloc_user(struct saa7164_dev *dev, + u32 len) +{ + struct saa7164_user_buffer *buf; + + buf = kzalloc(sizeof(struct saa7164_user_buffer), GFP_KERNEL); + if (!buf) + return NULL; + + buf->data = kzalloc(len, GFP_KERNEL); + + if (!buf->data) { + kfree(buf); + return NULL; + } + + buf->actual_size = len; + buf->pos = 0; + buf->crc = 0; + + dprintk(DBGLVL_BUF, "%s() allocated user buffer @ 0x%p\n", + __func__, buf); + + return buf; +} + +void saa7164_buffer_dealloc_user(struct saa7164_user_buffer *buf) +{ + if (!buf) + return; + + kfree(buf->data); + buf->data = NULL; + + kfree(buf); +} + diff --git a/kernel/drivers/media/pci/saa7164/saa7164-bus.c b/kernel/drivers/media/pci/saa7164/saa7164-bus.c new file mode 100644 index 000000000..6c73f5b15 --- /dev/null +++ b/kernel/drivers/media/pci/saa7164/saa7164-bus.c @@ -0,0 +1,492 @@ +/* + * Driver for the NXP SAA7164 PCIe bridge + * + * Copyright (c) 2010 Steven Toth <stoth@kernellabs.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "saa7164.h" + +/* The message bus to/from the firmware is a ring buffer in PCI address + * space. Establish the defaults. + */ +int saa7164_bus_setup(struct saa7164_dev *dev) +{ + struct tmComResBusInfo *b = &dev->bus; + + mutex_init(&b->lock); + + b->Type = TYPE_BUS_PCIe; + b->m_wMaxReqSize = SAA_DEVICE_MAXREQUESTSIZE; + + b->m_pdwSetRing = (u8 __iomem *)(dev->bmmio + + ((u32)dev->busdesc.CommandRing)); + + b->m_dwSizeSetRing = SAA_DEVICE_BUFFERBLOCKSIZE; + + b->m_pdwGetRing = (u8 __iomem *)(dev->bmmio + + ((u32)dev->busdesc.ResponseRing)); + + b->m_dwSizeGetRing = SAA_DEVICE_BUFFERBLOCKSIZE; + + b->m_dwSetWritePos = ((u32)dev->intfdesc.BARLocation) + + (2 * sizeof(u64)); + b->m_dwSetReadPos = b->m_dwSetWritePos + (1 * sizeof(u32)); + + b->m_dwGetWritePos = b->m_dwSetWritePos + (2 * sizeof(u32)); + b->m_dwGetReadPos = b->m_dwSetWritePos + (3 * sizeof(u32)); + + return 0; +} + +void saa7164_bus_dump(struct saa7164_dev *dev) +{ + struct tmComResBusInfo *b = &dev->bus; + + dprintk(DBGLVL_BUS, "Dumping the bus structure:\n"); + dprintk(DBGLVL_BUS, " .type = %d\n", b->Type); + dprintk(DBGLVL_BUS, " .dev->bmmio = 0x%p\n", dev->bmmio); + dprintk(DBGLVL_BUS, " .m_wMaxReqSize = 0x%x\n", b->m_wMaxReqSize); + dprintk(DBGLVL_BUS, " .m_pdwSetRing = 0x%p\n", b->m_pdwSetRing); + dprintk(DBGLVL_BUS, " .m_dwSizeSetRing = 0x%x\n", b->m_dwSizeSetRing); + dprintk(DBGLVL_BUS, " .m_pdwGetRing = 0x%p\n", b->m_pdwGetRing); + dprintk(DBGLVL_BUS, " .m_dwSizeGetRing = 0x%x\n", b->m_dwSizeGetRing); + + dprintk(DBGLVL_BUS, " .m_dwSetReadPos = 0x%x (0x%08x)\n", + b->m_dwSetReadPos, saa7164_readl(b->m_dwSetReadPos)); + + dprintk(DBGLVL_BUS, " .m_dwSetWritePos = 0x%x (0x%08x)\n", + b->m_dwSetWritePos, saa7164_readl(b->m_dwSetWritePos)); + + dprintk(DBGLVL_BUS, " .m_dwGetReadPos = 0x%x (0x%08x)\n", + b->m_dwGetReadPos, saa7164_readl(b->m_dwGetReadPos)); + + dprintk(DBGLVL_BUS, " .m_dwGetWritePos = 0x%x (0x%08x)\n", + b->m_dwGetWritePos, saa7164_readl(b->m_dwGetWritePos)); + +} + +/* Intensionally throw a BUG() if the state of the message bus looks corrupt */ +static void saa7164_bus_verify(struct saa7164_dev *dev) +{ + struct tmComResBusInfo *b = &dev->bus; + int bug = 0; + + if (saa7164_readl(b->m_dwSetReadPos) > b->m_dwSizeSetRing) + bug++; + + if (saa7164_readl(b->m_dwSetWritePos) > b->m_dwSizeSetRing) + bug++; + + if (saa7164_readl(b->m_dwGetReadPos) > b->m_dwSizeGetRing) + bug++; + + if (saa7164_readl(b->m_dwGetWritePos) > b->m_dwSizeGetRing) + bug++; + + if (bug) { + saa_debug = 0xffff; /* Ensure we get the bus dump */ + saa7164_bus_dump(dev); + saa_debug = 1024; /* Ensure we get the bus dump */ + BUG(); + } +} + +static void saa7164_bus_dumpmsg(struct saa7164_dev *dev, struct tmComResInfo *m, + void *buf) +{ + dprintk(DBGLVL_BUS, "Dumping msg structure:\n"); + dprintk(DBGLVL_BUS, " .id = %d\n", m->id); + dprintk(DBGLVL_BUS, " .flags = 0x%x\n", m->flags); + dprintk(DBGLVL_BUS, " .size = 0x%x\n", m->size); + dprintk(DBGLVL_BUS, " .command = 0x%x\n", m->command); + dprintk(DBGLVL_BUS, " .controlselector = 0x%x\n", m->controlselector); + dprintk(DBGLVL_BUS, " .seqno = %d\n", m->seqno); + if (buf) + dprintk(DBGLVL_BUS, " .buffer (ignored)\n"); +} + +/* + * Places a command or a response on the bus. The implementation does not + * know if it is a command or a response it just places the data on the + * bus depending on the bus information given in the struct tmComResBusInfo + * structure. If the command or response does not fit into the bus ring + * buffer it will be refused. + * + * Return Value: + * SAA_OK The function executed successfully. + * < 0 One or more members are not initialized. + */ +int saa7164_bus_set(struct saa7164_dev *dev, struct tmComResInfo* msg, + void *buf) +{ + struct tmComResBusInfo *bus = &dev->bus; + u32 bytes_to_write, free_write_space, timeout, curr_srp, curr_swp; + u32 new_swp, space_rem; + int ret = SAA_ERR_BAD_PARAMETER; + u16 size; + + if (!msg) { + printk(KERN_ERR "%s() !msg\n", __func__); + return SAA_ERR_BAD_PARAMETER; + } + + dprintk(DBGLVL_BUS, "%s()\n", __func__); + + saa7164_bus_verify(dev); + + if (msg->size > dev->bus.m_wMaxReqSize) { + printk(KERN_ERR "%s() Exceeded dev->bus.m_wMaxReqSize\n", + __func__); + return SAA_ERR_BAD_PARAMETER; + } + + if ((msg->size > 0) && (buf == NULL)) { + printk(KERN_ERR "%s() Missing message buffer\n", __func__); + return SAA_ERR_BAD_PARAMETER; + } + + /* Lock the bus from any other access */ + mutex_lock(&bus->lock); + + bytes_to_write = sizeof(*msg) + msg->size; + free_write_space = 0; + timeout = SAA_BUS_TIMEOUT; + curr_srp = saa7164_readl(bus->m_dwSetReadPos); + curr_swp = saa7164_readl(bus->m_dwSetWritePos); + + /* Deal with ring wrapping issues */ + if (curr_srp > curr_swp) + /* Deal with the wrapped ring */ + free_write_space = curr_srp - curr_swp; + else + /* The ring has not wrapped yet */ + free_write_space = (curr_srp + bus->m_dwSizeSetRing) - curr_swp; + + dprintk(DBGLVL_BUS, "%s() bytes_to_write = %d\n", __func__, + bytes_to_write); + + dprintk(DBGLVL_BUS, "%s() free_write_space = %d\n", __func__, + free_write_space); + + dprintk(DBGLVL_BUS, "%s() curr_srp = %x\n", __func__, curr_srp); + dprintk(DBGLVL_BUS, "%s() curr_swp = %x\n", __func__, curr_swp); + + /* Process the msg and write the content onto the bus */ + while (bytes_to_write >= free_write_space) { + + if (timeout-- == 0) { + printk(KERN_ERR "%s() bus timeout\n", __func__); + ret = SAA_ERR_NO_RESOURCES; + goto out; + } + + /* TODO: Review this delay, efficient? */ + /* Wait, allowing the hardware fetch time */ + mdelay(1); + + /* Check the space usage again */ + curr_srp = saa7164_readl(bus->m_dwSetReadPos); + + /* Deal with ring wrapping issues */ + if (curr_srp > curr_swp) + /* Deal with the wrapped ring */ + free_write_space = curr_srp - curr_swp; + else + /* Read didn't wrap around the buffer */ + free_write_space = (curr_srp + bus->m_dwSizeSetRing) - + curr_swp; + + } + + /* Calculate the new write position */ + new_swp = curr_swp + bytes_to_write; + + dprintk(DBGLVL_BUS, "%s() new_swp = %x\n", __func__, new_swp); + dprintk(DBGLVL_BUS, "%s() bus->m_dwSizeSetRing = %x\n", __func__, + bus->m_dwSizeSetRing); + + /* + * Make a copy of msg->size before it is converted to le16 since it is + * used in the code below. + */ + size = msg->size; + /* Convert to le16/le32 */ + msg->size = (__force u16)cpu_to_le16(msg->size); + msg->command = (__force u32)cpu_to_le32(msg->command); + msg->controlselector = (__force u16)cpu_to_le16(msg->controlselector); + + /* Mental Note: line 462 tmmhComResBusPCIe.cpp */ + + /* Check if we're going to wrap again */ + if (new_swp > bus->m_dwSizeSetRing) { + + /* Ring wraps */ + new_swp -= bus->m_dwSizeSetRing; + + space_rem = bus->m_dwSizeSetRing - curr_swp; + + dprintk(DBGLVL_BUS, "%s() space_rem = %x\n", __func__, + space_rem); + + dprintk(DBGLVL_BUS, "%s() sizeof(*msg) = %d\n", __func__, + (u32)sizeof(*msg)); + + if (space_rem < sizeof(*msg)) { + dprintk(DBGLVL_BUS, "%s() tr4\n", __func__); + + /* Split the msg into pieces as the ring wraps */ + memcpy_toio(bus->m_pdwSetRing + curr_swp, msg, space_rem); + memcpy_toio(bus->m_pdwSetRing, (u8 *)msg + space_rem, + sizeof(*msg) - space_rem); + + memcpy_toio(bus->m_pdwSetRing + sizeof(*msg) - space_rem, + buf, size); + + } else if (space_rem == sizeof(*msg)) { + dprintk(DBGLVL_BUS, "%s() tr5\n", __func__); + + /* Additional data at the beginning of the ring */ + memcpy_toio(bus->m_pdwSetRing + curr_swp, msg, sizeof(*msg)); + memcpy_toio(bus->m_pdwSetRing, buf, size); + + } else { + /* Additional data wraps around the ring */ + memcpy_toio(bus->m_pdwSetRing + curr_swp, msg, sizeof(*msg)); + if (size > 0) { + memcpy_toio(bus->m_pdwSetRing + curr_swp + + sizeof(*msg), buf, space_rem - + sizeof(*msg)); + memcpy_toio(bus->m_pdwSetRing, (u8 *)buf + + space_rem - sizeof(*msg), + bytes_to_write - space_rem); + } + + } + + } /* (new_swp > bus->m_dwSizeSetRing) */ + else { + dprintk(DBGLVL_BUS, "%s() tr6\n", __func__); + + /* The ring buffer doesn't wrap, two simple copies */ + memcpy_toio(bus->m_pdwSetRing + curr_swp, msg, sizeof(*msg)); + memcpy_toio(bus->m_pdwSetRing + curr_swp + sizeof(*msg), buf, + size); + } + + dprintk(DBGLVL_BUS, "%s() new_swp = %x\n", __func__, new_swp); + + /* Update the bus write position */ + saa7164_writel(bus->m_dwSetWritePos, new_swp); + + /* Convert back to cpu after writing the msg to the ringbuffer. */ + msg->size = le16_to_cpu((__force __le16)msg->size); + msg->command = le32_to_cpu((__force __le32)msg->command); + msg->controlselector = le16_to_cpu((__force __le16)msg->controlselector); + ret = SAA_OK; + +out: + saa7164_bus_dump(dev); + mutex_unlock(&bus->lock); + saa7164_bus_verify(dev); + return ret; +} + +/* + * Receive a command or a response from the bus. The implementation does not + * know if it is a command or a response it simply dequeues the data, + * depending on the bus information given in the struct tmComResBusInfo + * structure. + * + * Return Value: + * 0 The function executed successfully. + * < 0 One or more members are not initialized. + */ +int saa7164_bus_get(struct saa7164_dev *dev, struct tmComResInfo* msg, + void *buf, int peekonly) +{ + struct tmComResBusInfo *bus = &dev->bus; + u32 bytes_to_read, write_distance, curr_grp, curr_gwp, + new_grp, buf_size, space_rem; + struct tmComResInfo msg_tmp; + int ret = SAA_ERR_BAD_PARAMETER; + + saa7164_bus_verify(dev); + + if (msg == NULL) + return ret; + + if (msg->size > dev->bus.m_wMaxReqSize) { + printk(KERN_ERR "%s() Exceeded dev->bus.m_wMaxReqSize\n", + __func__); + return ret; + } + + if ((peekonly == 0) && (msg->size > 0) && (buf == NULL)) { + printk(KERN_ERR + "%s() Missing msg buf, size should be %d bytes\n", + __func__, msg->size); + return ret; + } + + mutex_lock(&bus->lock); + + /* Peek the bus to see if a msg exists, if it's not what we're expecting + * then return cleanly else read the message from the bus. + */ + curr_gwp = saa7164_readl(bus->m_dwGetWritePos); + curr_grp = saa7164_readl(bus->m_dwGetReadPos); + + if (curr_gwp == curr_grp) { + ret = SAA_ERR_EMPTY; + goto out; + } + + bytes_to_read = sizeof(*msg); + + /* Calculate write distance to current read position */ + write_distance = 0; + if (curr_gwp >= curr_grp) + /* Write doesn't wrap around the ring */ + write_distance = curr_gwp - curr_grp; + else + /* Write wraps around the ring */ + write_distance = curr_gwp + bus->m_dwSizeGetRing - curr_grp; + + if (bytes_to_read > write_distance) { + printk(KERN_ERR "%s() No message/response found\n", __func__); + ret = SAA_ERR_INVALID_COMMAND; + goto out; + } + + /* Calculate the new read position */ + new_grp = curr_grp + bytes_to_read; + if (new_grp > bus->m_dwSizeGetRing) { + + /* Ring wraps */ + new_grp -= bus->m_dwSizeGetRing; + space_rem = bus->m_dwSizeGetRing - curr_grp; + + memcpy_fromio(&msg_tmp, bus->m_pdwGetRing + curr_grp, space_rem); + memcpy_fromio((u8 *)&msg_tmp + space_rem, bus->m_pdwGetRing, + bytes_to_read - space_rem); + + } else { + /* No wrapping */ + memcpy_fromio(&msg_tmp, bus->m_pdwGetRing + curr_grp, bytes_to_read); + } + /* Convert from little endian to CPU */ + msg_tmp.size = le16_to_cpu((__force __le16)msg_tmp.size); + msg_tmp.command = le32_to_cpu((__force __le32)msg_tmp.command); + msg_tmp.controlselector = le16_to_cpu((__force __le16)msg_tmp.controlselector); + + /* No need to update the read positions, because this was a peek */ + /* If the caller specifically want to peek, return */ + if (peekonly) { + memcpy(msg, &msg_tmp, sizeof(*msg)); + goto peekout; + } + + /* Check if the command/response matches what is expected */ + if ((msg_tmp.id != msg->id) || (msg_tmp.command != msg->command) || + (msg_tmp.controlselector != msg->controlselector) || + (msg_tmp.seqno != msg->seqno) || (msg_tmp.size != msg->size)) { + + printk(KERN_ERR "%s() Unexpected msg miss-match\n", __func__); + saa7164_bus_dumpmsg(dev, msg, buf); + saa7164_bus_dumpmsg(dev, &msg_tmp, NULL); + ret = SAA_ERR_INVALID_COMMAND; + goto out; + } + + /* Get the actual command and response from the bus */ + buf_size = msg->size; + + bytes_to_read = sizeof(*msg) + msg->size; + /* Calculate write distance to current read position */ + write_distance = 0; + if (curr_gwp >= curr_grp) + /* Write doesn't wrap around the ring */ + write_distance = curr_gwp - curr_grp; + else + /* Write wraps around the ring */ + write_distance = curr_gwp + bus->m_dwSizeGetRing - curr_grp; + + if (bytes_to_read > write_distance) { + printk(KERN_ERR "%s() Invalid bus state, missing msg " + "or mangled ring, faulty H/W / bad code?\n", __func__); + ret = SAA_ERR_INVALID_COMMAND; + goto out; + } + + /* Calculate the new read position */ + new_grp = curr_grp + bytes_to_read; + if (new_grp > bus->m_dwSizeGetRing) { + + /* Ring wraps */ + new_grp -= bus->m_dwSizeGetRing; + space_rem = bus->m_dwSizeGetRing - curr_grp; + + if (space_rem < sizeof(*msg)) { + /* msg wraps around the ring */ + memcpy_fromio(msg, bus->m_pdwGetRing + curr_grp, space_rem); + memcpy_fromio((u8 *)msg + space_rem, bus->m_pdwGetRing, + sizeof(*msg) - space_rem); + if (buf) + memcpy_fromio(buf, bus->m_pdwGetRing + sizeof(*msg) - + space_rem, buf_size); + + } else if (space_rem == sizeof(*msg)) { + memcpy_fromio(msg, bus->m_pdwGetRing + curr_grp, sizeof(*msg)); + if (buf) + memcpy_fromio(buf, bus->m_pdwGetRing, buf_size); + } else { + /* Additional data wraps around the ring */ + memcpy_fromio(msg, bus->m_pdwGetRing + curr_grp, sizeof(*msg)); + if (buf) { + memcpy_fromio(buf, bus->m_pdwGetRing + curr_grp + + sizeof(*msg), space_rem - sizeof(*msg)); + memcpy_fromio(buf + space_rem - sizeof(*msg), + bus->m_pdwGetRing, bytes_to_read - + space_rem); + } + + } + + } else { + /* No wrapping */ + memcpy_fromio(msg, bus->m_pdwGetRing + curr_grp, sizeof(*msg)); + if (buf) + memcpy_fromio(buf, bus->m_pdwGetRing + curr_grp + sizeof(*msg), + buf_size); + } + /* Convert from little endian to CPU */ + msg->size = le16_to_cpu((__force __le16)msg->size); + msg->command = le32_to_cpu((__force __le32)msg->command); + msg->controlselector = le16_to_cpu((__force __le16)msg->controlselector); + + /* Update the read positions, adjusting the ring */ + saa7164_writel(bus->m_dwGetReadPos, new_grp); + +peekout: + ret = SAA_OK; +out: + mutex_unlock(&bus->lock); + saa7164_bus_verify(dev); + return ret; +} + diff --git a/kernel/drivers/media/pci/saa7164/saa7164-cards.c b/kernel/drivers/media/pci/saa7164/saa7164-cards.c new file mode 100644 index 000000000..5b72da5ce --- /dev/null +++ b/kernel/drivers/media/pci/saa7164/saa7164-cards.c @@ -0,0 +1,773 @@ +/* + * Driver for the NXP SAA7164 PCIe bridge + * + * Copyright (c) 2010 Steven Toth <stoth@kernellabs.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/pci.h> +#include <linux/delay.h> + +#include "saa7164.h" + +/* The Bridge API needs to understand register widths (in bytes) for the + * attached I2C devices, so we can simplify the virtual i2c mechansms + * and keep the -i2c.c implementation clean. + */ +#define REGLEN_8bit 1 +#define REGLEN_16bit 2 + +struct saa7164_board saa7164_boards[] = { + [SAA7164_BOARD_UNKNOWN] = { + /* Bridge will not load any firmware, without knowing + * the rev this would be fatal. */ + .name = "Unknown", + }, + [SAA7164_BOARD_UNKNOWN_REV2] = { + /* Bridge will load the v2 f/w and dump descriptors */ + /* Required during new board bringup */ + .name = "Generic Rev2", + .chiprev = SAA7164_CHIP_REV2, + }, + [SAA7164_BOARD_UNKNOWN_REV3] = { + /* Bridge will load the v2 f/w and dump descriptors */ + /* Required during new board bringup */ + .name = "Generic Rev3", + .chiprev = SAA7164_CHIP_REV3, + }, + [SAA7164_BOARD_HAUPPAUGE_HVR2200] = { + .name = "Hauppauge WinTV-HVR2200", + .porta = SAA7164_MPEG_DVB, + .portb = SAA7164_MPEG_DVB, + .portc = SAA7164_MPEG_ENCODER, + .portd = SAA7164_MPEG_ENCODER, + .porte = SAA7164_MPEG_VBI, + .portf = SAA7164_MPEG_VBI, + .chiprev = SAA7164_CHIP_REV3, + .unit = {{ + .id = 0x1d, + .type = SAA7164_UNIT_EEPROM, + .name = "4K EEPROM", + .i2c_bus_nr = SAA7164_I2C_BUS_0, + .i2c_bus_addr = 0xa0 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x04, + .type = SAA7164_UNIT_TUNER, + .name = "TDA18271-1", + .i2c_bus_nr = SAA7164_I2C_BUS_1, + .i2c_bus_addr = 0xc0 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x1b, + .type = SAA7164_UNIT_TUNER, + .name = "TDA18271-2", + .i2c_bus_nr = SAA7164_I2C_BUS_2, + .i2c_bus_addr = 0xc0 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x1e, + .type = SAA7164_UNIT_DIGITAL_DEMODULATOR, + .name = "TDA10048-1", + .i2c_bus_nr = SAA7164_I2C_BUS_1, + .i2c_bus_addr = 0x10 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x1f, + .type = SAA7164_UNIT_DIGITAL_DEMODULATOR, + .name = "TDA10048-2", + .i2c_bus_nr = SAA7164_I2C_BUS_2, + .i2c_bus_addr = 0x12 >> 1, + .i2c_reg_len = REGLEN_8bit, + } }, + }, + [SAA7164_BOARD_HAUPPAUGE_HVR2200_2] = { + .name = "Hauppauge WinTV-HVR2200", + .porta = SAA7164_MPEG_DVB, + .portb = SAA7164_MPEG_DVB, + .portc = SAA7164_MPEG_ENCODER, + .portd = SAA7164_MPEG_ENCODER, + .porte = SAA7164_MPEG_VBI, + .portf = SAA7164_MPEG_VBI, + .chiprev = SAA7164_CHIP_REV2, + .unit = {{ + .id = 0x06, + .type = SAA7164_UNIT_EEPROM, + .name = "4K EEPROM", + .i2c_bus_nr = SAA7164_I2C_BUS_0, + .i2c_bus_addr = 0xa0 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x04, + .type = SAA7164_UNIT_TUNER, + .name = "TDA18271-1", + .i2c_bus_nr = SAA7164_I2C_BUS_1, + .i2c_bus_addr = 0xc0 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x05, + .type = SAA7164_UNIT_DIGITAL_DEMODULATOR, + .name = "TDA10048-1", + .i2c_bus_nr = SAA7164_I2C_BUS_1, + .i2c_bus_addr = 0x10 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x1e, + .type = SAA7164_UNIT_TUNER, + .name = "TDA18271-2", + .i2c_bus_nr = SAA7164_I2C_BUS_2, + .i2c_bus_addr = 0xc0 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x1f, + .type = SAA7164_UNIT_DIGITAL_DEMODULATOR, + .name = "TDA10048-2", + .i2c_bus_nr = SAA7164_I2C_BUS_2, + .i2c_bus_addr = 0x12 >> 1, + .i2c_reg_len = REGLEN_8bit, + } }, + }, + [SAA7164_BOARD_HAUPPAUGE_HVR2200_3] = { + .name = "Hauppauge WinTV-HVR2200", + .porta = SAA7164_MPEG_DVB, + .portb = SAA7164_MPEG_DVB, + .portc = SAA7164_MPEG_ENCODER, + .portd = SAA7164_MPEG_ENCODER, + .porte = SAA7164_MPEG_VBI, + .portf = SAA7164_MPEG_VBI, + .chiprev = SAA7164_CHIP_REV2, + .unit = {{ + .id = 0x1d, + .type = SAA7164_UNIT_EEPROM, + .name = "4K EEPROM", + .i2c_bus_nr = SAA7164_I2C_BUS_0, + .i2c_bus_addr = 0xa0 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x04, + .type = SAA7164_UNIT_TUNER, + .name = "TDA18271-1", + .i2c_bus_nr = SAA7164_I2C_BUS_1, + .i2c_bus_addr = 0xc0 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x05, + .type = SAA7164_UNIT_ANALOG_DEMODULATOR, + .name = "TDA8290-1", + .i2c_bus_nr = SAA7164_I2C_BUS_1, + .i2c_bus_addr = 0x84 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x1b, + .type = SAA7164_UNIT_TUNER, + .name = "TDA18271-2", + .i2c_bus_nr = SAA7164_I2C_BUS_2, + .i2c_bus_addr = 0xc0 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x1c, + .type = SAA7164_UNIT_ANALOG_DEMODULATOR, + .name = "TDA8290-2", + .i2c_bus_nr = SAA7164_I2C_BUS_2, + .i2c_bus_addr = 0x84 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x1e, + .type = SAA7164_UNIT_DIGITAL_DEMODULATOR, + .name = "TDA10048-1", + .i2c_bus_nr = SAA7164_I2C_BUS_1, + .i2c_bus_addr = 0x10 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x1f, + .type = SAA7164_UNIT_DIGITAL_DEMODULATOR, + .name = "TDA10048-2", + .i2c_bus_nr = SAA7164_I2C_BUS_2, + .i2c_bus_addr = 0x12 >> 1, + .i2c_reg_len = REGLEN_8bit, + } }, + }, + [SAA7164_BOARD_HAUPPAUGE_HVR2200_4] = { + .name = "Hauppauge WinTV-HVR2200", + .porta = SAA7164_MPEG_DVB, + .portb = SAA7164_MPEG_DVB, + .portc = SAA7164_MPEG_ENCODER, + .portd = SAA7164_MPEG_ENCODER, + .porte = SAA7164_MPEG_VBI, + .portf = SAA7164_MPEG_VBI, + .chiprev = SAA7164_CHIP_REV3, + .unit = {{ + .id = 0x1d, + .type = SAA7164_UNIT_EEPROM, + .name = "4K EEPROM", + .i2c_bus_nr = SAA7164_I2C_BUS_0, + .i2c_bus_addr = 0xa0 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x04, + .type = SAA7164_UNIT_TUNER, + .name = "TDA18271-1", + .i2c_bus_nr = SAA7164_I2C_BUS_1, + .i2c_bus_addr = 0xc0 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x05, + .type = SAA7164_UNIT_ANALOG_DEMODULATOR, + .name = "TDA8290-1", + .i2c_bus_nr = SAA7164_I2C_BUS_1, + .i2c_bus_addr = 0x84 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x1b, + .type = SAA7164_UNIT_TUNER, + .name = "TDA18271-2", + .i2c_bus_nr = SAA7164_I2C_BUS_2, + .i2c_bus_addr = 0xc0 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x1c, + .type = SAA7164_UNIT_ANALOG_DEMODULATOR, + .name = "TDA8290-2", + .i2c_bus_nr = SAA7164_I2C_BUS_2, + .i2c_bus_addr = 0x84 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x1e, + .type = SAA7164_UNIT_DIGITAL_DEMODULATOR, + .name = "TDA10048-1", + .i2c_bus_nr = SAA7164_I2C_BUS_1, + .i2c_bus_addr = 0x10 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x1f, + .type = SAA7164_UNIT_DIGITAL_DEMODULATOR, + .name = "TDA10048-2", + .i2c_bus_nr = SAA7164_I2C_BUS_2, + .i2c_bus_addr = 0x12 >> 1, + .i2c_reg_len = REGLEN_8bit, + } }, + }, + [SAA7164_BOARD_HAUPPAUGE_HVR2250] = { + .name = "Hauppauge WinTV-HVR2250", + .porta = SAA7164_MPEG_DVB, + .portb = SAA7164_MPEG_DVB, + .portc = SAA7164_MPEG_ENCODER, + .portd = SAA7164_MPEG_ENCODER, + .porte = SAA7164_MPEG_VBI, + .portf = SAA7164_MPEG_VBI, + .chiprev = SAA7164_CHIP_REV3, + .unit = {{ + .id = 0x22, + .type = SAA7164_UNIT_EEPROM, + .name = "4K EEPROM", + .i2c_bus_nr = SAA7164_I2C_BUS_0, + .i2c_bus_addr = 0xa0 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x04, + .type = SAA7164_UNIT_TUNER, + .name = "TDA18271-1", + .i2c_bus_nr = SAA7164_I2C_BUS_1, + .i2c_bus_addr = 0xc0 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x07, + .type = SAA7164_UNIT_DIGITAL_DEMODULATOR, + .name = "CX24228/S5H1411-1 (TOP)", + .i2c_bus_nr = SAA7164_I2C_BUS_1, + .i2c_bus_addr = 0x32 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x08, + .type = SAA7164_UNIT_DIGITAL_DEMODULATOR, + .name = "CX24228/S5H1411-1 (QAM)", + .i2c_bus_nr = SAA7164_I2C_BUS_1, + .i2c_bus_addr = 0x34 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x1e, + .type = SAA7164_UNIT_TUNER, + .name = "TDA18271-2", + .i2c_bus_nr = SAA7164_I2C_BUS_2, + .i2c_bus_addr = 0xc0 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x20, + .type = SAA7164_UNIT_DIGITAL_DEMODULATOR, + .name = "CX24228/S5H1411-2 (TOP)", + .i2c_bus_nr = SAA7164_I2C_BUS_2, + .i2c_bus_addr = 0x32 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x23, + .type = SAA7164_UNIT_DIGITAL_DEMODULATOR, + .name = "CX24228/S5H1411-2 (QAM)", + .i2c_bus_nr = SAA7164_I2C_BUS_2, + .i2c_bus_addr = 0x34 >> 1, + .i2c_reg_len = REGLEN_8bit, + } }, + }, + [SAA7164_BOARD_HAUPPAUGE_HVR2250_2] = { + .name = "Hauppauge WinTV-HVR2250", + .porta = SAA7164_MPEG_DVB, + .portb = SAA7164_MPEG_DVB, + .portc = SAA7164_MPEG_ENCODER, + .portd = SAA7164_MPEG_ENCODER, + .porte = SAA7164_MPEG_VBI, + .portf = SAA7164_MPEG_VBI, + .chiprev = SAA7164_CHIP_REV3, + .unit = {{ + .id = 0x28, + .type = SAA7164_UNIT_EEPROM, + .name = "4K EEPROM", + .i2c_bus_nr = SAA7164_I2C_BUS_0, + .i2c_bus_addr = 0xa0 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x04, + .type = SAA7164_UNIT_TUNER, + .name = "TDA18271-1", + .i2c_bus_nr = SAA7164_I2C_BUS_1, + .i2c_bus_addr = 0xc0 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x07, + .type = SAA7164_UNIT_DIGITAL_DEMODULATOR, + .name = "CX24228/S5H1411-1 (TOP)", + .i2c_bus_nr = SAA7164_I2C_BUS_1, + .i2c_bus_addr = 0x32 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x08, + .type = SAA7164_UNIT_DIGITAL_DEMODULATOR, + .name = "CX24228/S5H1411-1 (QAM)", + .i2c_bus_nr = SAA7164_I2C_BUS_1, + .i2c_bus_addr = 0x34 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x24, + .type = SAA7164_UNIT_TUNER, + .name = "TDA18271-2", + .i2c_bus_nr = SAA7164_I2C_BUS_2, + .i2c_bus_addr = 0xc0 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x26, + .type = SAA7164_UNIT_DIGITAL_DEMODULATOR, + .name = "CX24228/S5H1411-2 (TOP)", + .i2c_bus_nr = SAA7164_I2C_BUS_2, + .i2c_bus_addr = 0x32 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x29, + .type = SAA7164_UNIT_DIGITAL_DEMODULATOR, + .name = "CX24228/S5H1411-2 (QAM)", + .i2c_bus_nr = SAA7164_I2C_BUS_2, + .i2c_bus_addr = 0x34 >> 1, + .i2c_reg_len = REGLEN_8bit, + } }, + }, + [SAA7164_BOARD_HAUPPAUGE_HVR2250_3] = { + .name = "Hauppauge WinTV-HVR2250", + .porta = SAA7164_MPEG_DVB, + .portb = SAA7164_MPEG_DVB, + .portc = SAA7164_MPEG_ENCODER, + .portd = SAA7164_MPEG_ENCODER, + .porte = SAA7164_MPEG_VBI, + .portf = SAA7164_MPEG_VBI, + .chiprev = SAA7164_CHIP_REV3, + .unit = {{ + .id = 0x26, + .type = SAA7164_UNIT_EEPROM, + .name = "4K EEPROM", + .i2c_bus_nr = SAA7164_I2C_BUS_0, + .i2c_bus_addr = 0xa0 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x04, + .type = SAA7164_UNIT_TUNER, + .name = "TDA18271-1", + .i2c_bus_nr = SAA7164_I2C_BUS_1, + .i2c_bus_addr = 0xc0 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x07, + .type = SAA7164_UNIT_DIGITAL_DEMODULATOR, + .name = "CX24228/S5H1411-1 (TOP)", + .i2c_bus_nr = SAA7164_I2C_BUS_1, + .i2c_bus_addr = 0x32 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x08, + .type = SAA7164_UNIT_DIGITAL_DEMODULATOR, + .name = "CX24228/S5H1411-1 (QAM)", + .i2c_bus_nr = SAA7164_I2C_BUS_1, + .i2c_bus_addr = 0x34 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x22, + .type = SAA7164_UNIT_TUNER, + .name = "TDA18271-2", + .i2c_bus_nr = SAA7164_I2C_BUS_2, + .i2c_bus_addr = 0xc0 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x24, + .type = SAA7164_UNIT_DIGITAL_DEMODULATOR, + .name = "CX24228/S5H1411-2 (TOP)", + .i2c_bus_nr = SAA7164_I2C_BUS_2, + .i2c_bus_addr = 0x32 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x27, + .type = SAA7164_UNIT_DIGITAL_DEMODULATOR, + .name = "CX24228/S5H1411-2 (QAM)", + .i2c_bus_nr = SAA7164_I2C_BUS_2, + .i2c_bus_addr = 0x34 >> 1, + .i2c_reg_len = REGLEN_8bit, + } }, + }, + [SAA7164_BOARD_HAUPPAUGE_HVR2200_5] = { + .name = "Hauppauge WinTV-HVR2200", + .porta = SAA7164_MPEG_DVB, + .portb = SAA7164_MPEG_DVB, + .chiprev = SAA7164_CHIP_REV3, + .unit = {{ + .id = 0x23, + .type = SAA7164_UNIT_EEPROM, + .name = "4K EEPROM", + .i2c_bus_nr = SAA7164_I2C_BUS_0, + .i2c_bus_addr = 0xa0 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x04, + .type = SAA7164_UNIT_TUNER, + .name = "TDA18271-1", + .i2c_bus_nr = SAA7164_I2C_BUS_1, + .i2c_bus_addr = 0xc0 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x05, + .type = SAA7164_UNIT_ANALOG_DEMODULATOR, + .name = "TDA8290-1", + .i2c_bus_nr = SAA7164_I2C_BUS_1, + .i2c_bus_addr = 0x84 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x21, + .type = SAA7164_UNIT_TUNER, + .name = "TDA18271-2", + .i2c_bus_nr = SAA7164_I2C_BUS_2, + .i2c_bus_addr = 0xc0 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x22, + .type = SAA7164_UNIT_ANALOG_DEMODULATOR, + .name = "TDA8290-2", + .i2c_bus_nr = SAA7164_I2C_BUS_2, + .i2c_bus_addr = 0x84 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x24, + .type = SAA7164_UNIT_DIGITAL_DEMODULATOR, + .name = "TDA10048-1", + .i2c_bus_nr = SAA7164_I2C_BUS_1, + .i2c_bus_addr = 0x10 >> 1, + .i2c_reg_len = REGLEN_8bit, + }, { + .id = 0x25, + .type = SAA7164_UNIT_DIGITAL_DEMODULATOR, + .name = "TDA10048-2", + .i2c_bus_nr = SAA7164_I2C_BUS_2, + .i2c_bus_addr = 0x12 >> 1, + .i2c_reg_len = REGLEN_8bit, + } }, + }, +}; +const unsigned int saa7164_bcount = ARRAY_SIZE(saa7164_boards); + +/* ------------------------------------------------------------------ */ +/* PCI subsystem IDs */ + +struct saa7164_subid saa7164_subids[] = { + { + .subvendor = 0x0070, + .subdevice = 0x8880, + .card = SAA7164_BOARD_HAUPPAUGE_HVR2250, + }, { + .subvendor = 0x0070, + .subdevice = 0x8810, + .card = SAA7164_BOARD_HAUPPAUGE_HVR2250, + }, { + .subvendor = 0x0070, + .subdevice = 0x8980, + .card = SAA7164_BOARD_HAUPPAUGE_HVR2200, + }, { + .subvendor = 0x0070, + .subdevice = 0x8900, + .card = SAA7164_BOARD_HAUPPAUGE_HVR2200_2, + }, { + .subvendor = 0x0070, + .subdevice = 0x8901, + .card = SAA7164_BOARD_HAUPPAUGE_HVR2200_3, + }, { + .subvendor = 0x0070, + .subdevice = 0x88A1, + .card = SAA7164_BOARD_HAUPPAUGE_HVR2250_3, + }, { + .subvendor = 0x0070, + .subdevice = 0x8891, + .card = SAA7164_BOARD_HAUPPAUGE_HVR2250_2, + }, { + .subvendor = 0x0070, + .subdevice = 0x8851, + .card = SAA7164_BOARD_HAUPPAUGE_HVR2250_2, + }, { + .subvendor = 0x0070, + .subdevice = 0x8940, + .card = SAA7164_BOARD_HAUPPAUGE_HVR2200_4, + }, { + .subvendor = 0x0070, + .subdevice = 0x8953, + .card = SAA7164_BOARD_HAUPPAUGE_HVR2200_5, + }, +}; +const unsigned int saa7164_idcount = ARRAY_SIZE(saa7164_subids); + +void saa7164_card_list(struct saa7164_dev *dev) +{ + int i; + + if (0 == dev->pci->subsystem_vendor && + 0 == dev->pci->subsystem_device) { + printk(KERN_ERR + "%s: Board has no valid PCIe Subsystem ID and can't\n" + "%s: be autodetected. Pass card=<n> insmod option to\n" + "%s: workaround that. Send complaints to the vendor\n" + "%s: of the TV card. Best regards,\n" + "%s: -- tux\n", + dev->name, dev->name, dev->name, dev->name, dev->name); + } else { + printk(KERN_ERR + "%s: Your board isn't known (yet) to the driver.\n" + "%s: Try to pick one of the existing card configs via\n" + "%s: card=<n> insmod option. Updating to the latest\n" + "%s: version might help as well.\n", + dev->name, dev->name, dev->name, dev->name); + } + + printk(KERN_ERR "%s: Here are valid choices for the card=<n> insmod " + "option:\n", dev->name); + + for (i = 0; i < saa7164_bcount; i++) + printk(KERN_ERR "%s: card=%d -> %s\n", + dev->name, i, saa7164_boards[i].name); +} + +/* TODO: clean this define up into the -cards.c structs */ +#define PCIEBRIDGE_UNITID 2 + +void saa7164_gpio_setup(struct saa7164_dev *dev) +{ + switch (dev->board) { + case SAA7164_BOARD_HAUPPAUGE_HVR2200: + case SAA7164_BOARD_HAUPPAUGE_HVR2200_2: + case SAA7164_BOARD_HAUPPAUGE_HVR2200_3: + case SAA7164_BOARD_HAUPPAUGE_HVR2200_4: + case SAA7164_BOARD_HAUPPAUGE_HVR2200_5: + case SAA7164_BOARD_HAUPPAUGE_HVR2250: + case SAA7164_BOARD_HAUPPAUGE_HVR2250_2: + case SAA7164_BOARD_HAUPPAUGE_HVR2250_3: + /* + GPIO 2: s5h1411 / tda10048-1 demod reset + GPIO 3: s5h1411 / tda10048-2 demod reset + GPIO 7: IRBlaster Zilog reset + */ + + /* Reset parts by going in and out of reset */ + saa7164_api_clear_gpiobit(dev, PCIEBRIDGE_UNITID, 2); + saa7164_api_clear_gpiobit(dev, PCIEBRIDGE_UNITID, 3); + + msleep(20); + + saa7164_api_set_gpiobit(dev, PCIEBRIDGE_UNITID, 2); + saa7164_api_set_gpiobit(dev, PCIEBRIDGE_UNITID, 3); + break; + } +} + +static void hauppauge_eeprom(struct saa7164_dev *dev, u8 *eeprom_data) +{ + struct tveeprom tv; + + /* TODO: Assumption: eeprom on bus 0 */ + tveeprom_hauppauge_analog(&dev->i2c_bus[0].i2c_client, &tv, + eeprom_data); + + /* Make sure we support the board model */ + switch (tv.model) { + case 88001: + /* Development board - Limit circulation */ + /* WinTV-HVR2250 (PCIe, Retail, full-height bracket) + * ATSC/QAM (TDA18271/S5H1411) and basic analog, no IR, FM */ + case 88021: + /* WinTV-HVR2250 (PCIe, Retail, full-height bracket) + * ATSC/QAM (TDA18271/S5H1411) and basic analog, MCE CIR, FM */ + break; + case 88041: + /* WinTV-HVR2250 (PCIe, Retail, full-height bracket) + * ATSC/QAM (TDA18271/S5H1411) and basic analog, no IR, FM */ + break; + case 88061: + /* WinTV-HVR2250 (PCIe, Retail, full-height bracket) + * ATSC/QAM (TDA18271/S5H1411) and basic analog, FM */ + break; + case 89519: + case 89609: + /* WinTV-HVR2200 (PCIe, Retail, full-height) + * DVB-T (TDA18271/TDA10048) and basic analog, no IR */ + break; + case 89619: + /* WinTV-HVR2200 (PCIe, Retail, half-height) + * DVB-T (TDA18271/TDA10048) and basic analog, no IR */ + break; + default: + printk(KERN_ERR "%s: Warning: Unknown Hauppauge model #%d\n", + dev->name, tv.model); + break; + } + + printk(KERN_INFO "%s: Hauppauge eeprom: model=%d\n", dev->name, + tv.model); +} + +void saa7164_card_setup(struct saa7164_dev *dev) +{ + static u8 eeprom[256]; + + if (dev->i2c_bus[0].i2c_rc == 0) { + if (saa7164_api_read_eeprom(dev, &eeprom[0], + sizeof(eeprom)) < 0) + return; + } + + switch (dev->board) { + case SAA7164_BOARD_HAUPPAUGE_HVR2200: + case SAA7164_BOARD_HAUPPAUGE_HVR2200_2: + case SAA7164_BOARD_HAUPPAUGE_HVR2200_3: + case SAA7164_BOARD_HAUPPAUGE_HVR2200_4: + case SAA7164_BOARD_HAUPPAUGE_HVR2200_5: + case SAA7164_BOARD_HAUPPAUGE_HVR2250: + case SAA7164_BOARD_HAUPPAUGE_HVR2250_2: + case SAA7164_BOARD_HAUPPAUGE_HVR2250_3: + hauppauge_eeprom(dev, &eeprom[0]); + break; + } +} + +/* With most other drivers, the kernel expects to communicate with subdrivers + * through i2c. This bridge does not allow that, it does not expose any direct + * access to I2C. Instead we have to communicate through the device f/w for + * register access to 'processing units'. Each unit has a unique + * id, regardless of how the physical implementation occurs across + * the three physical i2c busses. The being said if we want leverge of + * the existing kernel drivers for tuners and demods we have to 'speak i2c', + * to this bridge implements 3 virtual i2c buses. This is a helper function + * for those. + * + * Description: Translate the kernels notion of an i2c address and bus into + * the appropriate unitid. + */ +int saa7164_i2caddr_to_unitid(struct saa7164_i2c *bus, int addr) +{ + /* For a given bus and i2c device address, return the saa7164 unique + * unitid. < 0 on error */ + + struct saa7164_dev *dev = bus->dev; + struct saa7164_unit *unit; + int i; + + for (i = 0; i < SAA7164_MAX_UNITS; i++) { + unit = &saa7164_boards[dev->board].unit[i]; + + if (unit->type == SAA7164_UNIT_UNDEFINED) + continue; + if ((bus->nr == unit->i2c_bus_nr) && + (addr == unit->i2c_bus_addr)) + return unit->id; + } + + return -1; +} + +/* The 7164 API needs to know the i2c register length in advance. + * this is a helper function. Based on a specific chip addr and bus return the + * reg length. + */ +int saa7164_i2caddr_to_reglen(struct saa7164_i2c *bus, int addr) +{ + /* For a given bus and i2c device address, return the + * saa7164 registry address width. < 0 on error + */ + + struct saa7164_dev *dev = bus->dev; + struct saa7164_unit *unit; + int i; + + for (i = 0; i < SAA7164_MAX_UNITS; i++) { + unit = &saa7164_boards[dev->board].unit[i]; + + if (unit->type == SAA7164_UNIT_UNDEFINED) + continue; + + if ((bus->nr == unit->i2c_bus_nr) && + (addr == unit->i2c_bus_addr)) + return unit->i2c_reg_len; + } + + return -1; +} +/* TODO: implement a 'findeeprom' functio like the above and fix any other + * eeprom related todo's in -api.c. + */ + +/* Translate a unitid into a x readable device name, for display purposes. */ +char *saa7164_unitid_name(struct saa7164_dev *dev, u8 unitid) +{ + char *undefed = "UNDEFINED"; + char *bridge = "BRIDGE"; + struct saa7164_unit *unit; + int i; + + if (unitid == 0) + return bridge; + + for (i = 0; i < SAA7164_MAX_UNITS; i++) { + unit = &saa7164_boards[dev->board].unit[i]; + + if (unit->type == SAA7164_UNIT_UNDEFINED) + continue; + + if (unitid == unit->id) + return unit->name; + } + + return undefed; +} + diff --git a/kernel/drivers/media/pci/saa7164/saa7164-cmd.c b/kernel/drivers/media/pci/saa7164/saa7164-cmd.c new file mode 100644 index 000000000..cfabcbacc --- /dev/null +++ b/kernel/drivers/media/pci/saa7164/saa7164-cmd.c @@ -0,0 +1,589 @@ +/* + * Driver for the NXP SAA7164 PCIe bridge + * + * Copyright (c) 2010 Steven Toth <stoth@kernellabs.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/wait.h> + +#include "saa7164.h" + +static int saa7164_cmd_alloc_seqno(struct saa7164_dev *dev) +{ + int i, ret = -1; + + mutex_lock(&dev->lock); + for (i = 0; i < SAA_CMD_MAX_MSG_UNITS; i++) { + if (dev->cmds[i].inuse == 0) { + dev->cmds[i].inuse = 1; + dev->cmds[i].signalled = 0; + dev->cmds[i].timeout = 0; + ret = dev->cmds[i].seqno; + break; + } + } + mutex_unlock(&dev->lock); + + return ret; +} + +static void saa7164_cmd_free_seqno(struct saa7164_dev *dev, u8 seqno) +{ + mutex_lock(&dev->lock); + if ((dev->cmds[seqno].inuse == 1) && + (dev->cmds[seqno].seqno == seqno)) { + dev->cmds[seqno].inuse = 0; + dev->cmds[seqno].signalled = 0; + dev->cmds[seqno].timeout = 0; + } + mutex_unlock(&dev->lock); +} + +static void saa7164_cmd_timeout_seqno(struct saa7164_dev *dev, u8 seqno) +{ + mutex_lock(&dev->lock); + if ((dev->cmds[seqno].inuse == 1) && + (dev->cmds[seqno].seqno == seqno)) { + dev->cmds[seqno].timeout = 1; + } + mutex_unlock(&dev->lock); +} + +static u32 saa7164_cmd_timeout_get(struct saa7164_dev *dev, u8 seqno) +{ + int ret = 0; + + mutex_lock(&dev->lock); + if ((dev->cmds[seqno].inuse == 1) && + (dev->cmds[seqno].seqno == seqno)) { + ret = dev->cmds[seqno].timeout; + } + mutex_unlock(&dev->lock); + + return ret; +} + +/* Commands to the f/w get marshelled to/from this code then onto the PCI + * -bus/c running buffer. */ +int saa7164_irq_dequeue(struct saa7164_dev *dev) +{ + int ret = SAA_OK, i = 0; + u32 timeout; + wait_queue_head_t *q = NULL; + u8 tmp[512]; + dprintk(DBGLVL_CMD, "%s()\n", __func__); + + /* While any outstand message on the bus exists... */ + do { + + /* Peek the msg bus */ + struct tmComResInfo tRsp = { 0, 0, 0, 0, 0, 0 }; + ret = saa7164_bus_get(dev, &tRsp, NULL, 1); + if (ret != SAA_OK) + break; + + q = &dev->cmds[tRsp.seqno].wait; + timeout = saa7164_cmd_timeout_get(dev, tRsp.seqno); + dprintk(DBGLVL_CMD, "%s() timeout = %d\n", __func__, timeout); + if (!timeout) { + dprintk(DBGLVL_CMD, + "%s() signalled seqno(%d) (for dequeue)\n", + __func__, tRsp.seqno); + dev->cmds[tRsp.seqno].signalled = 1; + wake_up(q); + } else { + printk(KERN_ERR + "%s() found timed out command on the bus\n", + __func__); + + /* Clean the bus */ + ret = saa7164_bus_get(dev, &tRsp, &tmp, 0); + printk(KERN_ERR "%s() ret = %x\n", __func__, ret); + if (ret == SAA_ERR_EMPTY) + /* Someone else already fetched the response */ + return SAA_OK; + + if (ret != SAA_OK) + return ret; + } + + /* It's unlikely to have more than 4 or 5 pending messages, + * ensure we exit at some point regardless. + */ + } while (i++ < 32); + + return ret; +} + +/* Commands to the f/w get marshelled to/from this code then onto the PCI + * -bus/c running buffer. */ +static int saa7164_cmd_dequeue(struct saa7164_dev *dev) +{ + int loop = 1; + int ret; + u32 timeout; + wait_queue_head_t *q = NULL; + u8 tmp[512]; + dprintk(DBGLVL_CMD, "%s()\n", __func__); + + while (loop) { + + struct tmComResInfo tRsp = { 0, 0, 0, 0, 0, 0 }; + ret = saa7164_bus_get(dev, &tRsp, NULL, 1); + if (ret == SAA_ERR_EMPTY) + return SAA_OK; + + if (ret != SAA_OK) + return ret; + + q = &dev->cmds[tRsp.seqno].wait; + timeout = saa7164_cmd_timeout_get(dev, tRsp.seqno); + dprintk(DBGLVL_CMD, "%s() timeout = %d\n", __func__, timeout); + if (timeout) { + printk(KERN_ERR "found timed out command on the bus\n"); + + /* Clean the bus */ + ret = saa7164_bus_get(dev, &tRsp, &tmp, 0); + printk(KERN_ERR "ret = %x\n", ret); + if (ret == SAA_ERR_EMPTY) + /* Someone else already fetched the response */ + return SAA_OK; + + if (ret != SAA_OK) + return ret; + + if (tRsp.flags & PVC_CMDFLAG_CONTINUE) + printk(KERN_ERR "split response\n"); + else + saa7164_cmd_free_seqno(dev, tRsp.seqno); + + printk(KERN_ERR " timeout continue\n"); + continue; + } + + dprintk(DBGLVL_CMD, "%s() signalled seqno(%d) (for dequeue)\n", + __func__, tRsp.seqno); + dev->cmds[tRsp.seqno].signalled = 1; + wake_up(q); + return SAA_OK; + } + + return SAA_OK; +} + +static int saa7164_cmd_set(struct saa7164_dev *dev, struct tmComResInfo *msg, + void *buf) +{ + struct tmComResBusInfo *bus = &dev->bus; + u8 cmd_sent; + u16 size, idx; + u32 cmds; + void *tmp; + int ret = -1; + + if (!msg) { + printk(KERN_ERR "%s() !msg\n", __func__); + return SAA_ERR_BAD_PARAMETER; + } + + mutex_lock(&dev->cmds[msg->id].lock); + + size = msg->size; + idx = 0; + cmds = size / bus->m_wMaxReqSize; + if (size % bus->m_wMaxReqSize == 0) + cmds -= 1; + + cmd_sent = 0; + + /* Split the request into smaller chunks */ + for (idx = 0; idx < cmds; idx++) { + + msg->flags |= SAA_CMDFLAG_CONTINUE; + msg->size = bus->m_wMaxReqSize; + tmp = buf + idx * bus->m_wMaxReqSize; + + ret = saa7164_bus_set(dev, msg, tmp); + if (ret != SAA_OK) { + printk(KERN_ERR "%s() set failed %d\n", __func__, ret); + + if (cmd_sent) { + ret = SAA_ERR_BUSY; + goto out; + } + ret = SAA_ERR_OVERFLOW; + goto out; + } + cmd_sent = 1; + } + + /* If not the last command... */ + if (idx != 0) + msg->flags &= ~SAA_CMDFLAG_CONTINUE; + + msg->size = size - idx * bus->m_wMaxReqSize; + + ret = saa7164_bus_set(dev, msg, buf + idx * bus->m_wMaxReqSize); + if (ret != SAA_OK) { + printk(KERN_ERR "%s() set last failed %d\n", __func__, ret); + + if (cmd_sent) { + ret = SAA_ERR_BUSY; + goto out; + } + ret = SAA_ERR_OVERFLOW; + goto out; + } + ret = SAA_OK; + +out: + mutex_unlock(&dev->cmds[msg->id].lock); + return ret; +} + +/* Wait for a signal event, without holding a mutex. Either return TIMEOUT if + * the event never occurred, or SAA_OK if it was signaled during the wait. + */ +static int saa7164_cmd_wait(struct saa7164_dev *dev, u8 seqno) +{ + wait_queue_head_t *q = NULL; + int ret = SAA_BUS_TIMEOUT; + unsigned long stamp; + int r; + + if (saa_debug >= 4) + saa7164_bus_dump(dev); + + dprintk(DBGLVL_CMD, "%s(seqno=%d)\n", __func__, seqno); + + mutex_lock(&dev->lock); + if ((dev->cmds[seqno].inuse == 1) && + (dev->cmds[seqno].seqno == seqno)) { + q = &dev->cmds[seqno].wait; + } + mutex_unlock(&dev->lock); + + if (q) { + /* If we haven't been signalled we need to wait */ + if (dev->cmds[seqno].signalled == 0) { + stamp = jiffies; + dprintk(DBGLVL_CMD, + "%s(seqno=%d) Waiting (signalled=%d)\n", + __func__, seqno, dev->cmds[seqno].signalled); + + /* Wait for signalled to be flagged or timeout */ + /* In a highly stressed system this can easily extend + * into multiple seconds before the deferred worker + * is scheduled, and we're woken up via signal. + * We typically are signalled in < 50ms but it can + * take MUCH longer. + */ + wait_event_timeout(*q, dev->cmds[seqno].signalled, + (HZ * waitsecs)); + r = time_before(jiffies, stamp + (HZ * waitsecs)); + if (r) + ret = SAA_OK; + else + saa7164_cmd_timeout_seqno(dev, seqno); + + dprintk(DBGLVL_CMD, "%s(seqno=%d) Waiting res = %d " + "(signalled=%d)\n", __func__, seqno, r, + dev->cmds[seqno].signalled); + } else + ret = SAA_OK; + } else + printk(KERN_ERR "%s(seqno=%d) seqno is invalid\n", + __func__, seqno); + + return ret; +} + +void saa7164_cmd_signal(struct saa7164_dev *dev, u8 seqno) +{ + int i; + dprintk(DBGLVL_CMD, "%s()\n", __func__); + + mutex_lock(&dev->lock); + for (i = 0; i < SAA_CMD_MAX_MSG_UNITS; i++) { + if (dev->cmds[i].inuse == 1) { + dprintk(DBGLVL_CMD, + "seqno %d inuse, sig = %d, t/out = %d\n", + dev->cmds[i].seqno, + dev->cmds[i].signalled, + dev->cmds[i].timeout); + } + } + + for (i = 0; i < SAA_CMD_MAX_MSG_UNITS; i++) { + if ((dev->cmds[i].inuse == 1) && ((i == 0) || + (dev->cmds[i].signalled) || (dev->cmds[i].timeout))) { + dprintk(DBGLVL_CMD, "%s(seqno=%d) calling wake_up\n", + __func__, i); + dev->cmds[i].signalled = 1; + wake_up(&dev->cmds[i].wait); + } + } + mutex_unlock(&dev->lock); +} + +int saa7164_cmd_send(struct saa7164_dev *dev, u8 id, enum tmComResCmd command, + u16 controlselector, u16 size, void *buf) +{ + struct tmComResInfo command_t, *pcommand_t; + struct tmComResInfo response_t, *presponse_t; + u8 errdata[256]; + u16 resp_dsize; + u16 data_recd; + u32 loop; + int ret; + int safety = 0; + + dprintk(DBGLVL_CMD, "%s(unitid = %s (%d) , command = 0x%x, " + "sel = 0x%x)\n", __func__, saa7164_unitid_name(dev, id), id, + command, controlselector); + + if ((size == 0) || (buf == NULL)) { + printk(KERN_ERR "%s() Invalid param\n", __func__); + return SAA_ERR_BAD_PARAMETER; + } + + /* Prepare some basic command/response structures */ + memset(&command_t, 0, sizeof(command_t)); + memset(&response_t, 0, sizeof(response_t)); + pcommand_t = &command_t; + presponse_t = &response_t; + command_t.id = id; + command_t.command = command; + command_t.controlselector = controlselector; + command_t.size = size; + + /* Allocate a unique sequence number */ + ret = saa7164_cmd_alloc_seqno(dev); + if (ret < 0) { + printk(KERN_ERR "%s() No free sequences\n", __func__); + ret = SAA_ERR_NO_RESOURCES; + goto out; + } + + command_t.seqno = (u8)ret; + + /* Send Command */ + resp_dsize = size; + pcommand_t->size = size; + + dprintk(DBGLVL_CMD, "%s() pcommand_t.seqno = %d\n", + __func__, pcommand_t->seqno); + + dprintk(DBGLVL_CMD, "%s() pcommand_t.size = %d\n", + __func__, pcommand_t->size); + + ret = saa7164_cmd_set(dev, pcommand_t, buf); + if (ret != SAA_OK) { + printk(KERN_ERR "%s() set command failed %d\n", __func__, ret); + + if (ret != SAA_ERR_BUSY) + saa7164_cmd_free_seqno(dev, pcommand_t->seqno); + else + /* Flag a timeout, because at least one + * command was sent */ + saa7164_cmd_timeout_seqno(dev, pcommand_t->seqno); + + goto out; + } + + /* With split responses we have to collect the msgs piece by piece */ + data_recd = 0; + loop = 1; + while (loop) { + dprintk(DBGLVL_CMD, "%s() loop\n", __func__); + + ret = saa7164_cmd_wait(dev, pcommand_t->seqno); + dprintk(DBGLVL_CMD, "%s() loop ret = %d\n", __func__, ret); + + /* if power is down and this is not a power command ... */ + + if (ret == SAA_BUS_TIMEOUT) { + printk(KERN_ERR "Event timed out\n"); + saa7164_cmd_timeout_seqno(dev, pcommand_t->seqno); + return ret; + } + + if (ret != SAA_OK) { + printk(KERN_ERR "spurious error\n"); + return ret; + } + + /* Peek response */ + ret = saa7164_bus_get(dev, presponse_t, NULL, 1); + if (ret == SAA_ERR_EMPTY) { + dprintk(4, "%s() SAA_ERR_EMPTY\n", __func__); + continue; + } + if (ret != SAA_OK) { + printk(KERN_ERR "peek failed\n"); + return ret; + } + + dprintk(DBGLVL_CMD, "%s() presponse_t->seqno = %d\n", + __func__, presponse_t->seqno); + + dprintk(DBGLVL_CMD, "%s() presponse_t->flags = 0x%x\n", + __func__, presponse_t->flags); + + dprintk(DBGLVL_CMD, "%s() presponse_t->size = %d\n", + __func__, presponse_t->size); + + /* Check if the response was for our command */ + if (presponse_t->seqno != pcommand_t->seqno) { + + dprintk(DBGLVL_CMD, + "wrong event: seqno = %d, " + "expected seqno = %d, " + "will dequeue regardless\n", + presponse_t->seqno, pcommand_t->seqno); + + ret = saa7164_cmd_dequeue(dev); + if (ret != SAA_OK) { + printk(KERN_ERR "dequeue failed, ret = %d\n", + ret); + if (safety++ > 16) { + printk(KERN_ERR + "dequeue exceeded, safety exit\n"); + return SAA_ERR_BUSY; + } + } + + continue; + } + + if ((presponse_t->flags & PVC_RESPONSEFLAG_ERROR) != 0) { + + memset(&errdata[0], 0, sizeof(errdata)); + + ret = saa7164_bus_get(dev, presponse_t, &errdata[0], 0); + if (ret != SAA_OK) { + printk(KERN_ERR "get error(2)\n"); + return ret; + } + + saa7164_cmd_free_seqno(dev, pcommand_t->seqno); + + dprintk(DBGLVL_CMD, "%s() errdata %02x%02x%02x%02x\n", + __func__, errdata[0], errdata[1], errdata[2], + errdata[3]); + + /* Map error codes */ + dprintk(DBGLVL_CMD, "%s() cmd, error code = 0x%x\n", + __func__, errdata[0]); + + switch (errdata[0]) { + case PVC_ERRORCODE_INVALID_COMMAND: + dprintk(DBGLVL_CMD, "%s() INVALID_COMMAND\n", + __func__); + ret = SAA_ERR_INVALID_COMMAND; + break; + case PVC_ERRORCODE_INVALID_DATA: + dprintk(DBGLVL_CMD, "%s() INVALID_DATA\n", + __func__); + ret = SAA_ERR_BAD_PARAMETER; + break; + case PVC_ERRORCODE_TIMEOUT: + dprintk(DBGLVL_CMD, "%s() TIMEOUT\n", __func__); + ret = SAA_ERR_TIMEOUT; + break; + case PVC_ERRORCODE_NAK: + dprintk(DBGLVL_CMD, "%s() NAK\n", __func__); + ret = SAA_ERR_NULL_PACKET; + break; + case PVC_ERRORCODE_UNKNOWN: + case PVC_ERRORCODE_INVALID_CONTROL: + dprintk(DBGLVL_CMD, + "%s() UNKNOWN OR INVALID CONTROL\n", + __func__); + default: + dprintk(DBGLVL_CMD, "%s() UNKNOWN\n", __func__); + ret = SAA_ERR_NOT_SUPPORTED; + } + + /* See of other commands are on the bus */ + if (saa7164_cmd_dequeue(dev) != SAA_OK) + printk(KERN_ERR "dequeue(2) failed\n"); + + return ret; + } + + /* If response is invalid */ + if ((presponse_t->id != pcommand_t->id) || + (presponse_t->command != pcommand_t->command) || + (presponse_t->controlselector != + pcommand_t->controlselector) || + (((resp_dsize - data_recd) != presponse_t->size) && + !(presponse_t->flags & PVC_CMDFLAG_CONTINUE)) || + ((resp_dsize - data_recd) < presponse_t->size)) { + + /* Invalid */ + dprintk(DBGLVL_CMD, "%s() Invalid\n", __func__); + ret = saa7164_bus_get(dev, presponse_t, NULL, 0); + if (ret != SAA_OK) { + printk(KERN_ERR "get failed\n"); + return ret; + } + + /* See of other commands are on the bus */ + if (saa7164_cmd_dequeue(dev) != SAA_OK) + printk(KERN_ERR "dequeue(3) failed\n"); + continue; + } + + /* OK, now we're actually getting out correct response */ + ret = saa7164_bus_get(dev, presponse_t, buf + data_recd, 0); + if (ret != SAA_OK) { + printk(KERN_ERR "get failed\n"); + return ret; + } + + data_recd = presponse_t->size + data_recd; + if (resp_dsize == data_recd) { + dprintk(DBGLVL_CMD, "%s() Resp recd\n", __func__); + break; + } + + /* See of other commands are on the bus */ + if (saa7164_cmd_dequeue(dev) != SAA_OK) + printk(KERN_ERR "dequeue(3) failed\n"); + + continue; + + } /* (loop) */ + + /* Release the sequence number allocation */ + saa7164_cmd_free_seqno(dev, pcommand_t->seqno); + + /* if powerdown signal all pending commands */ + + dprintk(DBGLVL_CMD, "%s() Calling dequeue then exit\n", __func__); + + /* See of other commands are on the bus */ + if (saa7164_cmd_dequeue(dev) != SAA_OK) + printk(KERN_ERR "dequeue(4) failed\n"); + + ret = SAA_OK; +out: + return ret; +} + diff --git a/kernel/drivers/media/pci/saa7164/saa7164-core.c b/kernel/drivers/media/pci/saa7164/saa7164-core.c new file mode 100644 index 000000000..9cf3c6cba --- /dev/null +++ b/kernel/drivers/media/pci/saa7164/saa7164-core.c @@ -0,0 +1,1496 @@ +/* + * Driver for the NXP SAA7164 PCIe bridge + * + * Copyright (c) 2010 Steven Toth <stoth@kernellabs.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/init.h> +#include <linux/list.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/kmod.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <asm/div64.h> + +#ifdef CONFIG_PROC_FS +#include <linux/proc_fs.h> +#endif +#include "saa7164.h" + +MODULE_DESCRIPTION("Driver for NXP SAA7164 based TV cards"); +MODULE_AUTHOR("Steven Toth <stoth@kernellabs.com>"); +MODULE_LICENSE("GPL"); + +/* + * 1 Basic + * 2 + * 4 i2c + * 8 api + * 16 cmd + * 32 bus + */ + +unsigned int saa_debug; +module_param_named(debug, saa_debug, int, 0644); +MODULE_PARM_DESC(debug, "enable debug messages"); + +static unsigned int fw_debug; +module_param(fw_debug, int, 0644); +MODULE_PARM_DESC(fw_debug, "Firmware debug level def:2"); + +unsigned int encoder_buffers = SAA7164_MAX_ENCODER_BUFFERS; +module_param(encoder_buffers, int, 0644); +MODULE_PARM_DESC(encoder_buffers, "Total buffers in read queue 16-512 def:64"); + +unsigned int vbi_buffers = SAA7164_MAX_VBI_BUFFERS; +module_param(vbi_buffers, int, 0644); +MODULE_PARM_DESC(vbi_buffers, "Total buffers in read queue 16-512 def:64"); + +unsigned int waitsecs = 10; +module_param(waitsecs, int, 0644); +MODULE_PARM_DESC(waitsecs, "timeout on firmware messages"); + +static unsigned int card[] = {[0 ... (SAA7164_MAXBOARDS - 1)] = UNSET }; +module_param_array(card, int, NULL, 0444); +MODULE_PARM_DESC(card, "card type"); + +static unsigned int print_histogram = 64; +module_param(print_histogram, int, 0644); +MODULE_PARM_DESC(print_histogram, "print histogram values once"); + +unsigned int crc_checking = 1; +module_param(crc_checking, int, 0644); +MODULE_PARM_DESC(crc_checking, "enable crc sanity checking on buffers"); + +static unsigned int guard_checking = 1; +module_param(guard_checking, int, 0644); +MODULE_PARM_DESC(guard_checking, + "enable dma sanity checking for buffer overruns"); + +static unsigned int saa7164_devcount; + +static DEFINE_MUTEX(devlist); +LIST_HEAD(saa7164_devlist); + +#define INT_SIZE 16 + +static void saa7164_pack_verifier(struct saa7164_buffer *buf) +{ + u8 *p = (u8 *)buf->cpu; + int i; + + for (i = 0; i < buf->actual_size; i += 2048) { + + if ((*(p + i + 0) != 0x00) || (*(p + i + 1) != 0x00) || + (*(p + i + 2) != 0x01) || (*(p + i + 3) != 0xBA)) { + printk(KERN_ERR "No pack at 0x%x\n", i); +#if 0 + print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1, + p + 1, 32, false); +#endif + } + } +} + +#define FIXED_VIDEO_PID 0xf1 +#define FIXED_AUDIO_PID 0xf2 + +static void saa7164_ts_verifier(struct saa7164_buffer *buf) +{ + struct saa7164_port *port = buf->port; + u32 i; + u8 cc, a; + u16 pid; + u8 *bufcpu = (u8 *)buf->cpu; + + port->sync_errors = 0; + port->v_cc_errors = 0; + port->a_cc_errors = 0; + + for (i = 0; i < buf->actual_size; i += 188) { + if (*(bufcpu + i) != 0x47) + port->sync_errors++; + + /* TODO: Query pid lower 8 bits, ignoring upper bits intensionally */ + pid = ((*(bufcpu + i + 1) & 0x1f) << 8) | *(bufcpu + i + 2); + cc = *(bufcpu + i + 3) & 0x0f; + + if (pid == FIXED_VIDEO_PID) { + a = ((port->last_v_cc + 1) & 0x0f); + if (a != cc) { + printk(KERN_ERR "video cc last = %x current = %x i = %d\n", + port->last_v_cc, cc, i); + port->v_cc_errors++; + } + + port->last_v_cc = cc; + } else + if (pid == FIXED_AUDIO_PID) { + a = ((port->last_a_cc + 1) & 0x0f); + if (a != cc) { + printk(KERN_ERR "audio cc last = %x current = %x i = %d\n", + port->last_a_cc, cc, i); + port->a_cc_errors++; + } + + port->last_a_cc = cc; + } + + } + + /* Only report errors if we've been through this function atleast + * once already and the cached cc values are primed. First time through + * always generates errors. + */ + if (port->v_cc_errors && (port->done_first_interrupt > 1)) + printk(KERN_ERR "video pid cc, %d errors\n", port->v_cc_errors); + + if (port->a_cc_errors && (port->done_first_interrupt > 1)) + printk(KERN_ERR "audio pid cc, %d errors\n", port->a_cc_errors); + + if (port->sync_errors && (port->done_first_interrupt > 1)) + printk(KERN_ERR "sync_errors = %d\n", port->sync_errors); + + if (port->done_first_interrupt == 1) + port->done_first_interrupt++; +} + +static void saa7164_histogram_reset(struct saa7164_histogram *hg, char *name) +{ + int i; + + memset(hg, 0, sizeof(struct saa7164_histogram)); + strcpy(hg->name, name); + + /* First 30ms x 1ms */ + for (i = 0; i < 30; i++) + hg->counter1[0 + i].val = i; + + /* 30 - 200ms x 10ms */ + for (i = 0; i < 18; i++) + hg->counter1[30 + i].val = 30 + (i * 10); + + /* 200 - 2000ms x 100ms */ + for (i = 0; i < 15; i++) + hg->counter1[48 + i].val = 200 + (i * 200); + + /* Catch all massive value (2secs) */ + hg->counter1[55].val = 2000; + + /* Catch all massive value (4secs) */ + hg->counter1[56].val = 4000; + + /* Catch all massive value (8secs) */ + hg->counter1[57].val = 8000; + + /* Catch all massive value (15secs) */ + hg->counter1[58].val = 15000; + + /* Catch all massive value (30secs) */ + hg->counter1[59].val = 30000; + + /* Catch all massive value (60secs) */ + hg->counter1[60].val = 60000; + + /* Catch all massive value (5mins) */ + hg->counter1[61].val = 300000; + + /* Catch all massive value (15mins) */ + hg->counter1[62].val = 900000; + + /* Catch all massive values (1hr) */ + hg->counter1[63].val = 3600000; +} + +void saa7164_histogram_update(struct saa7164_histogram *hg, u32 val) +{ + int i; + for (i = 0; i < 64; i++) { + if (val <= hg->counter1[i].val) { + hg->counter1[i].count++; + hg->counter1[i].update_time = jiffies; + break; + } + } +} + +static void saa7164_histogram_print(struct saa7164_port *port, + struct saa7164_histogram *hg) +{ + u32 entries = 0; + int i; + + printk(KERN_ERR "Histogram named %s (ms, count, last_update_jiffy)\n", hg->name); + for (i = 0; i < 64; i++) { + if (hg->counter1[i].count == 0) + continue; + + printk(KERN_ERR " %4d %12d %Ld\n", + hg->counter1[i].val, + hg->counter1[i].count, + hg->counter1[i].update_time); + + entries++; + } + printk(KERN_ERR "Total: %d\n", entries); +} + +static void saa7164_work_enchandler_helper(struct saa7164_port *port, int bufnr) +{ + struct saa7164_dev *dev = port->dev; + struct saa7164_buffer *buf = NULL; + struct saa7164_user_buffer *ubuf = NULL; + struct list_head *c, *n; + int i = 0; + u8 *p; + + mutex_lock(&port->dmaqueue_lock); + list_for_each_safe(c, n, &port->dmaqueue.list) { + + buf = list_entry(c, struct saa7164_buffer, list); + if (i++ > port->hwcfg.buffercount) { + printk(KERN_ERR "%s() illegal i count %d\n", + __func__, i); + break; + } + + if (buf->idx == bufnr) { + + /* Found the buffer, deal with it */ + dprintk(DBGLVL_IRQ, "%s() bufnr: %d\n", __func__, bufnr); + + if (crc_checking) { + /* Throw a new checksum on the dma buffer */ + buf->crc = crc32(0, buf->cpu, buf->actual_size); + } + + if (guard_checking) { + p = (u8 *)buf->cpu; + if ((*(p + buf->actual_size + 0) != 0xff) || + (*(p + buf->actual_size + 1) != 0xff) || + (*(p + buf->actual_size + 2) != 0xff) || + (*(p + buf->actual_size + 3) != 0xff) || + (*(p + buf->actual_size + 0x10) != 0xff) || + (*(p + buf->actual_size + 0x11) != 0xff) || + (*(p + buf->actual_size + 0x12) != 0xff) || + (*(p + buf->actual_size + 0x13) != 0xff)) { + printk(KERN_ERR "%s() buf %p guard buffer breach\n", + __func__, buf); +#if 0 + print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1, + p + buf->actual_size - 32, 64, false); +#endif + } + } + + if ((port->nr != SAA7164_PORT_VBI1) && (port->nr != SAA7164_PORT_VBI2)) { + /* Validate the incoming buffer content */ + if (port->encoder_params.stream_type == V4L2_MPEG_STREAM_TYPE_MPEG2_TS) + saa7164_ts_verifier(buf); + else if (port->encoder_params.stream_type == V4L2_MPEG_STREAM_TYPE_MPEG2_PS) + saa7164_pack_verifier(buf); + } + + /* find a free user buffer and clone to it */ + if (!list_empty(&port->list_buf_free.list)) { + + /* Pull the first buffer from the used list */ + ubuf = list_first_entry(&port->list_buf_free.list, + struct saa7164_user_buffer, list); + + if (buf->actual_size <= ubuf->actual_size) { + + memcpy(ubuf->data, buf->cpu, ubuf->actual_size); + + if (crc_checking) { + /* Throw a new checksum on the read buffer */ + ubuf->crc = crc32(0, ubuf->data, ubuf->actual_size); + } + + /* Requeue the buffer on the free list */ + ubuf->pos = 0; + + list_move_tail(&ubuf->list, + &port->list_buf_used.list); + + /* Flag any userland waiters */ + wake_up_interruptible(&port->wait_read); + + } else { + printk(KERN_ERR "buf %p bufsize fails match\n", buf); + } + + } else + printk(KERN_ERR "encirq no free buffers, increase param encoder_buffers\n"); + + /* Ensure offset into buffer remains 0, fill buffer + * with known bad data. We check for this data at a later point + * in time. */ + saa7164_buffer_zero_offsets(port, bufnr); + memset(buf->cpu, 0xff, buf->pci_size); + if (crc_checking) { + /* Throw yet aanother new checksum on the dma buffer */ + buf->crc = crc32(0, buf->cpu, buf->actual_size); + } + + break; + } + } + mutex_unlock(&port->dmaqueue_lock); +} + +static void saa7164_work_enchandler(struct work_struct *w) +{ + struct saa7164_port *port = + container_of(w, struct saa7164_port, workenc); + struct saa7164_dev *dev = port->dev; + + u32 wp, mcb, rp, cnt = 0; + + port->last_svc_msecs_diff = port->last_svc_msecs; + port->last_svc_msecs = jiffies_to_msecs(jiffies); + + port->last_svc_msecs_diff = port->last_svc_msecs - + port->last_svc_msecs_diff; + + saa7164_histogram_update(&port->svc_interval, + port->last_svc_msecs_diff); + + port->last_irq_svc_msecs_diff = port->last_svc_msecs - + port->last_irq_msecs; + + saa7164_histogram_update(&port->irq_svc_interval, + port->last_irq_svc_msecs_diff); + + dprintk(DBGLVL_IRQ, + "%s() %Ldms elapsed irq->deferred %Ldms wp: %d rp: %d\n", + __func__, + port->last_svc_msecs_diff, + port->last_irq_svc_msecs_diff, + port->last_svc_wp, + port->last_svc_rp + ); + + /* Current write position */ + wp = saa7164_readl(port->bufcounter); + if (wp > (port->hwcfg.buffercount - 1)) { + printk(KERN_ERR "%s() illegal buf count %d\n", __func__, wp); + return; + } + + /* Most current complete buffer */ + if (wp == 0) + mcb = (port->hwcfg.buffercount - 1); + else + mcb = wp - 1; + + while (1) { + if (port->done_first_interrupt == 0) { + port->done_first_interrupt++; + rp = mcb; + } else + rp = (port->last_svc_rp + 1) % 8; + + if (rp > (port->hwcfg.buffercount - 1)) { + printk(KERN_ERR "%s() illegal rp count %d\n", __func__, rp); + break; + } + + saa7164_work_enchandler_helper(port, rp); + port->last_svc_rp = rp; + cnt++; + + if (rp == mcb) + break; + } + + /* TODO: Convert this into a /proc/saa7164 style readable file */ + if (print_histogram == port->nr) { + saa7164_histogram_print(port, &port->irq_interval); + saa7164_histogram_print(port, &port->svc_interval); + saa7164_histogram_print(port, &port->irq_svc_interval); + saa7164_histogram_print(port, &port->read_interval); + saa7164_histogram_print(port, &port->poll_interval); + /* TODO: fix this to preserve any previous state */ + print_histogram = 64 + port->nr; + } +} + +static void saa7164_work_vbihandler(struct work_struct *w) +{ + struct saa7164_port *port = + container_of(w, struct saa7164_port, workenc); + struct saa7164_dev *dev = port->dev; + + u32 wp, mcb, rp, cnt = 0; + + port->last_svc_msecs_diff = port->last_svc_msecs; + port->last_svc_msecs = jiffies_to_msecs(jiffies); + port->last_svc_msecs_diff = port->last_svc_msecs - + port->last_svc_msecs_diff; + + saa7164_histogram_update(&port->svc_interval, + port->last_svc_msecs_diff); + + port->last_irq_svc_msecs_diff = port->last_svc_msecs - + port->last_irq_msecs; + + saa7164_histogram_update(&port->irq_svc_interval, + port->last_irq_svc_msecs_diff); + + dprintk(DBGLVL_IRQ, + "%s() %Ldms elapsed irq->deferred %Ldms wp: %d rp: %d\n", + __func__, + port->last_svc_msecs_diff, + port->last_irq_svc_msecs_diff, + port->last_svc_wp, + port->last_svc_rp + ); + + /* Current write position */ + wp = saa7164_readl(port->bufcounter); + if (wp > (port->hwcfg.buffercount - 1)) { + printk(KERN_ERR "%s() illegal buf count %d\n", __func__, wp); + return; + } + + /* Most current complete buffer */ + if (wp == 0) + mcb = (port->hwcfg.buffercount - 1); + else + mcb = wp - 1; + + while (1) { + if (port->done_first_interrupt == 0) { + port->done_first_interrupt++; + rp = mcb; + } else + rp = (port->last_svc_rp + 1) % 8; + + if (rp > (port->hwcfg.buffercount - 1)) { + printk(KERN_ERR "%s() illegal rp count %d\n", __func__, rp); + break; + } + + saa7164_work_enchandler_helper(port, rp); + port->last_svc_rp = rp; + cnt++; + + if (rp == mcb) + break; + } + + /* TODO: Convert this into a /proc/saa7164 style readable file */ + if (print_histogram == port->nr) { + saa7164_histogram_print(port, &port->irq_interval); + saa7164_histogram_print(port, &port->svc_interval); + saa7164_histogram_print(port, &port->irq_svc_interval); + saa7164_histogram_print(port, &port->read_interval); + saa7164_histogram_print(port, &port->poll_interval); + /* TODO: fix this to preserve any previous state */ + print_histogram = 64 + port->nr; + } +} + +static void saa7164_work_cmdhandler(struct work_struct *w) +{ + struct saa7164_dev *dev = container_of(w, struct saa7164_dev, workcmd); + + /* Wake up any complete commands */ + saa7164_irq_dequeue(dev); +} + +static void saa7164_buffer_deliver(struct saa7164_buffer *buf) +{ + struct saa7164_port *port = buf->port; + + /* Feed the transport payload into the kernel demux */ + dvb_dmx_swfilter_packets(&port->dvb.demux, (u8 *)buf->cpu, + SAA7164_TS_NUMBER_OF_LINES); + +} + +static irqreturn_t saa7164_irq_vbi(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + + /* Store old time */ + port->last_irq_msecs_diff = port->last_irq_msecs; + + /* Collect new stats */ + port->last_irq_msecs = jiffies_to_msecs(jiffies); + + /* Calculate stats */ + port->last_irq_msecs_diff = port->last_irq_msecs - + port->last_irq_msecs_diff; + + saa7164_histogram_update(&port->irq_interval, + port->last_irq_msecs_diff); + + dprintk(DBGLVL_IRQ, "%s() %Ldms elapsed\n", __func__, + port->last_irq_msecs_diff); + + /* Tis calls the vbi irq handler */ + schedule_work(&port->workenc); + return 0; +} + +static irqreturn_t saa7164_irq_encoder(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + + /* Store old time */ + port->last_irq_msecs_diff = port->last_irq_msecs; + + /* Collect new stats */ + port->last_irq_msecs = jiffies_to_msecs(jiffies); + + /* Calculate stats */ + port->last_irq_msecs_diff = port->last_irq_msecs - + port->last_irq_msecs_diff; + + saa7164_histogram_update(&port->irq_interval, + port->last_irq_msecs_diff); + + dprintk(DBGLVL_IRQ, "%s() %Ldms elapsed\n", __func__, + port->last_irq_msecs_diff); + + schedule_work(&port->workenc); + return 0; +} + +static irqreturn_t saa7164_irq_ts(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + struct saa7164_buffer *buf; + struct list_head *c, *n; + int wp, i = 0, rp; + + /* Find the current write point from the hardware */ + wp = saa7164_readl(port->bufcounter); + if (wp > (port->hwcfg.buffercount - 1)) + BUG(); + + /* Find the previous buffer to the current write point */ + if (wp == 0) + rp = (port->hwcfg.buffercount - 1); + else + rp = wp - 1; + + /* Lookup the WP in the buffer list */ + /* TODO: turn this into a worker thread */ + list_for_each_safe(c, n, &port->dmaqueue.list) { + buf = list_entry(c, struct saa7164_buffer, list); + if (i++ > port->hwcfg.buffercount) + BUG(); + + if (buf->idx == rp) { + /* Found the buffer, deal with it */ + dprintk(DBGLVL_IRQ, "%s() wp: %d processing: %d\n", + __func__, wp, rp); + saa7164_buffer_deliver(buf); + break; + } + + } + return 0; +} + +/* Primary IRQ handler and dispatch mechanism */ +static irqreturn_t saa7164_irq(int irq, void *dev_id) +{ + struct saa7164_dev *dev = dev_id; + struct saa7164_port *porta = &dev->ports[SAA7164_PORT_TS1]; + struct saa7164_port *portb = &dev->ports[SAA7164_PORT_TS2]; + struct saa7164_port *portc = &dev->ports[SAA7164_PORT_ENC1]; + struct saa7164_port *portd = &dev->ports[SAA7164_PORT_ENC2]; + struct saa7164_port *porte = &dev->ports[SAA7164_PORT_VBI1]; + struct saa7164_port *portf = &dev->ports[SAA7164_PORT_VBI2]; + + u32 intid, intstat[INT_SIZE/4]; + int i, handled = 0, bit; + + if (dev == NULL) { + printk(KERN_ERR "%s() No device specified\n", __func__); + handled = 0; + goto out; + } + + /* Check that the hardware is accessible. If the status bytes are + * 0xFF then the device is not accessible, the the IRQ belongs + * to another driver. + * 4 x u32 interrupt registers. + */ + for (i = 0; i < INT_SIZE/4; i++) { + + /* TODO: Convert into saa7164_readl() */ + /* Read the 4 hardware interrupt registers */ + intstat[i] = saa7164_readl(dev->int_status + (i * 4)); + + if (intstat[i]) + handled = 1; + } + if (handled == 0) + goto out; + + /* For each of the HW interrupt registers */ + for (i = 0; i < INT_SIZE/4; i++) { + + if (intstat[i]) { + /* Each function of the board has it's own interruptid. + * Find the function that triggered then call + * it's handler. + */ + for (bit = 0; bit < 32; bit++) { + + if (((intstat[i] >> bit) & 0x00000001) == 0) + continue; + + /* Calculate the interrupt id (0x00 to 0x7f) */ + + intid = (i * 32) + bit; + if (intid == dev->intfdesc.bInterruptId) { + /* A response to an cmd/api call */ + schedule_work(&dev->workcmd); + } else if (intid == porta->hwcfg.interruptid) { + + /* Transport path 1 */ + saa7164_irq_ts(porta); + + } else if (intid == portb->hwcfg.interruptid) { + + /* Transport path 2 */ + saa7164_irq_ts(portb); + + } else if (intid == portc->hwcfg.interruptid) { + + /* Encoder path 1 */ + saa7164_irq_encoder(portc); + + } else if (intid == portd->hwcfg.interruptid) { + + /* Encoder path 2 */ + saa7164_irq_encoder(portd); + + } else if (intid == porte->hwcfg.interruptid) { + + /* VBI path 1 */ + saa7164_irq_vbi(porte); + + } else if (intid == portf->hwcfg.interruptid) { + + /* VBI path 2 */ + saa7164_irq_vbi(portf); + + } else { + /* Find the function */ + dprintk(DBGLVL_IRQ, + "%s() unhandled interrupt " + "reg 0x%x bit 0x%x " + "intid = 0x%x\n", + __func__, i, bit, intid); + } + } + + /* Ack it */ + saa7164_writel(dev->int_ack + (i * 4), intstat[i]); + + } + } +out: + return IRQ_RETVAL(handled); +} + +void saa7164_getfirmwarestatus(struct saa7164_dev *dev) +{ + struct saa7164_fw_status *s = &dev->fw_status; + + dev->fw_status.status = saa7164_readl(SAA_DEVICE_SYSINIT_STATUS); + dev->fw_status.mode = saa7164_readl(SAA_DEVICE_SYSINIT_MODE); + dev->fw_status.spec = saa7164_readl(SAA_DEVICE_SYSINIT_SPEC); + dev->fw_status.inst = saa7164_readl(SAA_DEVICE_SYSINIT_INST); + dev->fw_status.cpuload = saa7164_readl(SAA_DEVICE_SYSINIT_CPULOAD); + dev->fw_status.remainheap = + saa7164_readl(SAA_DEVICE_SYSINIT_REMAINHEAP); + + dprintk(1, "Firmware status:\n"); + dprintk(1, " .status = 0x%08x\n", s->status); + dprintk(1, " .mode = 0x%08x\n", s->mode); + dprintk(1, " .spec = 0x%08x\n", s->spec); + dprintk(1, " .inst = 0x%08x\n", s->inst); + dprintk(1, " .cpuload = 0x%08x\n", s->cpuload); + dprintk(1, " .remainheap = 0x%08x\n", s->remainheap); +} + +u32 saa7164_getcurrentfirmwareversion(struct saa7164_dev *dev) +{ + u32 reg; + + reg = saa7164_readl(SAA_DEVICE_VERSION); + dprintk(1, "Device running firmware version %d.%d.%d.%d (0x%x)\n", + (reg & 0x0000fc00) >> 10, + (reg & 0x000003e0) >> 5, + (reg & 0x0000001f), + (reg & 0xffff0000) >> 16, + reg); + + return reg; +} + +/* TODO: Debugging func, remove */ +void saa7164_dumpregs(struct saa7164_dev *dev, u32 addr) +{ + int i; + + dprintk(1, "--------------------> " + "00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n"); + + for (i = 0; i < 0x100; i += 16) + dprintk(1, "region0[0x%08x] = " + "%02x %02x %02x %02x %02x %02x %02x %02x" + " %02x %02x %02x %02x %02x %02x %02x %02x\n", i, + (u8)saa7164_readb(addr + i + 0), + (u8)saa7164_readb(addr + i + 1), + (u8)saa7164_readb(addr + i + 2), + (u8)saa7164_readb(addr + i + 3), + (u8)saa7164_readb(addr + i + 4), + (u8)saa7164_readb(addr + i + 5), + (u8)saa7164_readb(addr + i + 6), + (u8)saa7164_readb(addr + i + 7), + (u8)saa7164_readb(addr + i + 8), + (u8)saa7164_readb(addr + i + 9), + (u8)saa7164_readb(addr + i + 10), + (u8)saa7164_readb(addr + i + 11), + (u8)saa7164_readb(addr + i + 12), + (u8)saa7164_readb(addr + i + 13), + (u8)saa7164_readb(addr + i + 14), + (u8)saa7164_readb(addr + i + 15) + ); +} + +static void saa7164_dump_hwdesc(struct saa7164_dev *dev) +{ + dprintk(1, "@0x%p hwdesc sizeof(struct tmComResHWDescr) = %d bytes\n", + &dev->hwdesc, (u32)sizeof(struct tmComResHWDescr)); + + dprintk(1, " .bLength = 0x%x\n", dev->hwdesc.bLength); + dprintk(1, " .bDescriptorType = 0x%x\n", dev->hwdesc.bDescriptorType); + dprintk(1, " .bDescriptorSubtype = 0x%x\n", + dev->hwdesc.bDescriptorSubtype); + + dprintk(1, " .bcdSpecVersion = 0x%x\n", dev->hwdesc.bcdSpecVersion); + dprintk(1, " .dwClockFrequency = 0x%x\n", dev->hwdesc.dwClockFrequency); + dprintk(1, " .dwClockUpdateRes = 0x%x\n", dev->hwdesc.dwClockUpdateRes); + dprintk(1, " .bCapabilities = 0x%x\n", dev->hwdesc.bCapabilities); + dprintk(1, " .dwDeviceRegistersLocation = 0x%x\n", + dev->hwdesc.dwDeviceRegistersLocation); + + dprintk(1, " .dwHostMemoryRegion = 0x%x\n", + dev->hwdesc.dwHostMemoryRegion); + + dprintk(1, " .dwHostMemoryRegionSize = 0x%x\n", + dev->hwdesc.dwHostMemoryRegionSize); + + dprintk(1, " .dwHostHibernatMemRegion = 0x%x\n", + dev->hwdesc.dwHostHibernatMemRegion); + + dprintk(1, " .dwHostHibernatMemRegionSize = 0x%x\n", + dev->hwdesc.dwHostHibernatMemRegionSize); +} + +static void saa7164_dump_intfdesc(struct saa7164_dev *dev) +{ + dprintk(1, "@0x%p intfdesc " + "sizeof(struct tmComResInterfaceDescr) = %d bytes\n", + &dev->intfdesc, (u32)sizeof(struct tmComResInterfaceDescr)); + + dprintk(1, " .bLength = 0x%x\n", dev->intfdesc.bLength); + dprintk(1, " .bDescriptorType = 0x%x\n", dev->intfdesc.bDescriptorType); + dprintk(1, " .bDescriptorSubtype = 0x%x\n", + dev->intfdesc.bDescriptorSubtype); + + dprintk(1, " .bFlags = 0x%x\n", dev->intfdesc.bFlags); + dprintk(1, " .bInterfaceType = 0x%x\n", dev->intfdesc.bInterfaceType); + dprintk(1, " .bInterfaceId = 0x%x\n", dev->intfdesc.bInterfaceId); + dprintk(1, " .bBaseInterface = 0x%x\n", dev->intfdesc.bBaseInterface); + dprintk(1, " .bInterruptId = 0x%x\n", dev->intfdesc.bInterruptId); + dprintk(1, " .bDebugInterruptId = 0x%x\n", + dev->intfdesc.bDebugInterruptId); + + dprintk(1, " .BARLocation = 0x%x\n", dev->intfdesc.BARLocation); +} + +static void saa7164_dump_busdesc(struct saa7164_dev *dev) +{ + dprintk(1, "@0x%p busdesc sizeof(struct tmComResBusDescr) = %d bytes\n", + &dev->busdesc, (u32)sizeof(struct tmComResBusDescr)); + + dprintk(1, " .CommandRing = 0x%016Lx\n", dev->busdesc.CommandRing); + dprintk(1, " .ResponseRing = 0x%016Lx\n", dev->busdesc.ResponseRing); + dprintk(1, " .CommandWrite = 0x%x\n", dev->busdesc.CommandWrite); + dprintk(1, " .CommandRead = 0x%x\n", dev->busdesc.CommandRead); + dprintk(1, " .ResponseWrite = 0x%x\n", dev->busdesc.ResponseWrite); + dprintk(1, " .ResponseRead = 0x%x\n", dev->busdesc.ResponseRead); +} + +/* Much of the hardware configuration and PCI registers are configured + * dynamically depending on firmware. We have to cache some initial + * structures then use these to locate other important structures + * from PCI space. + */ +static void saa7164_get_descriptors(struct saa7164_dev *dev) +{ + memcpy_fromio(&dev->hwdesc, dev->bmmio, sizeof(struct tmComResHWDescr)); + memcpy_fromio(&dev->intfdesc, dev->bmmio + sizeof(struct tmComResHWDescr), + sizeof(struct tmComResInterfaceDescr)); + memcpy_fromio(&dev->busdesc, dev->bmmio + dev->intfdesc.BARLocation, + sizeof(struct tmComResBusDescr)); + + if (dev->hwdesc.bLength != sizeof(struct tmComResHWDescr)) { + printk(KERN_ERR "Structure struct tmComResHWDescr is mangled\n"); + printk(KERN_ERR "Need %x got %d\n", dev->hwdesc.bLength, + (u32)sizeof(struct tmComResHWDescr)); + } else + saa7164_dump_hwdesc(dev); + + if (dev->intfdesc.bLength != sizeof(struct tmComResInterfaceDescr)) { + printk(KERN_ERR "struct struct tmComResInterfaceDescr is mangled\n"); + printk(KERN_ERR "Need %x got %d\n", dev->intfdesc.bLength, + (u32)sizeof(struct tmComResInterfaceDescr)); + } else + saa7164_dump_intfdesc(dev); + + saa7164_dump_busdesc(dev); +} + +static int saa7164_pci_quirks(struct saa7164_dev *dev) +{ + return 0; +} + +static int get_resources(struct saa7164_dev *dev) +{ + if (request_mem_region(pci_resource_start(dev->pci, 0), + pci_resource_len(dev->pci, 0), dev->name)) { + + if (request_mem_region(pci_resource_start(dev->pci, 2), + pci_resource_len(dev->pci, 2), dev->name)) + return 0; + } + + printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx or 0x%llx\n", + dev->name, + (u64)pci_resource_start(dev->pci, 0), + (u64)pci_resource_start(dev->pci, 2)); + + return -EBUSY; +} + +static int saa7164_port_init(struct saa7164_dev *dev, int portnr) +{ + struct saa7164_port *port = NULL; + + if ((portnr < 0) || (portnr >= SAA7164_MAX_PORTS)) + BUG(); + + port = &dev->ports[portnr]; + + port->dev = dev; + port->nr = portnr; + + if ((portnr == SAA7164_PORT_TS1) || (portnr == SAA7164_PORT_TS2)) + port->type = SAA7164_MPEG_DVB; + else + if ((portnr == SAA7164_PORT_ENC1) || (portnr == SAA7164_PORT_ENC2)) { + port->type = SAA7164_MPEG_ENCODER; + + /* We need a deferred interrupt handler for cmd handling */ + INIT_WORK(&port->workenc, saa7164_work_enchandler); + } else if ((portnr == SAA7164_PORT_VBI1) || (portnr == SAA7164_PORT_VBI2)) { + port->type = SAA7164_MPEG_VBI; + + /* We need a deferred interrupt handler for cmd handling */ + INIT_WORK(&port->workenc, saa7164_work_vbihandler); + } else + BUG(); + + /* Init all the critical resources */ + mutex_init(&port->dvb.lock); + INIT_LIST_HEAD(&port->dmaqueue.list); + mutex_init(&port->dmaqueue_lock); + + INIT_LIST_HEAD(&port->list_buf_used.list); + INIT_LIST_HEAD(&port->list_buf_free.list); + init_waitqueue_head(&port->wait_read); + + + saa7164_histogram_reset(&port->irq_interval, "irq intervals"); + saa7164_histogram_reset(&port->svc_interval, "deferred intervals"); + saa7164_histogram_reset(&port->irq_svc_interval, + "irq to deferred intervals"); + saa7164_histogram_reset(&port->read_interval, + "encoder/vbi read() intervals"); + saa7164_histogram_reset(&port->poll_interval, + "encoder/vbi poll() intervals"); + + return 0; +} + +static int saa7164_dev_setup(struct saa7164_dev *dev) +{ + int i; + + mutex_init(&dev->lock); + atomic_inc(&dev->refcount); + dev->nr = saa7164_devcount++; + + snprintf(dev->name, sizeof(dev->name), "saa7164[%d]", dev->nr); + + mutex_lock(&devlist); + list_add_tail(&dev->devlist, &saa7164_devlist); + mutex_unlock(&devlist); + + /* board config */ + dev->board = UNSET; + if (card[dev->nr] < saa7164_bcount) + dev->board = card[dev->nr]; + + for (i = 0; UNSET == dev->board && i < saa7164_idcount; i++) + if (dev->pci->subsystem_vendor == saa7164_subids[i].subvendor && + dev->pci->subsystem_device == + saa7164_subids[i].subdevice) + dev->board = saa7164_subids[i].card; + + if (UNSET == dev->board) { + dev->board = SAA7164_BOARD_UNKNOWN; + saa7164_card_list(dev); + } + + dev->pci_bus = dev->pci->bus->number; + dev->pci_slot = PCI_SLOT(dev->pci->devfn); + + /* I2C Defaults / setup */ + dev->i2c_bus[0].dev = dev; + dev->i2c_bus[0].nr = 0; + dev->i2c_bus[1].dev = dev; + dev->i2c_bus[1].nr = 1; + dev->i2c_bus[2].dev = dev; + dev->i2c_bus[2].nr = 2; + + /* Transport + Encoder ports 1, 2, 3, 4 - Defaults / setup */ + saa7164_port_init(dev, SAA7164_PORT_TS1); + saa7164_port_init(dev, SAA7164_PORT_TS2); + saa7164_port_init(dev, SAA7164_PORT_ENC1); + saa7164_port_init(dev, SAA7164_PORT_ENC2); + saa7164_port_init(dev, SAA7164_PORT_VBI1); + saa7164_port_init(dev, SAA7164_PORT_VBI2); + + if (get_resources(dev) < 0) { + printk(KERN_ERR "CORE %s No more PCIe resources for " + "subsystem: %04x:%04x\n", + dev->name, dev->pci->subsystem_vendor, + dev->pci->subsystem_device); + + saa7164_devcount--; + return -ENODEV; + } + + /* PCI/e allocations */ + dev->lmmio = ioremap(pci_resource_start(dev->pci, 0), + pci_resource_len(dev->pci, 0)); + + dev->lmmio2 = ioremap(pci_resource_start(dev->pci, 2), + pci_resource_len(dev->pci, 2)); + + dev->bmmio = (u8 __iomem *)dev->lmmio; + dev->bmmio2 = (u8 __iomem *)dev->lmmio2; + + /* Inerrupt and ack register locations offset of bmmio */ + dev->int_status = 0x183000 + 0xf80; + dev->int_ack = 0x183000 + 0xf90; + + printk(KERN_INFO + "CORE %s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n", + dev->name, dev->pci->subsystem_vendor, + dev->pci->subsystem_device, saa7164_boards[dev->board].name, + dev->board, card[dev->nr] == dev->board ? + "insmod option" : "autodetected"); + + saa7164_pci_quirks(dev); + + return 0; +} + +static void saa7164_dev_unregister(struct saa7164_dev *dev) +{ + dprintk(1, "%s()\n", __func__); + + release_mem_region(pci_resource_start(dev->pci, 0), + pci_resource_len(dev->pci, 0)); + + release_mem_region(pci_resource_start(dev->pci, 2), + pci_resource_len(dev->pci, 2)); + + if (!atomic_dec_and_test(&dev->refcount)) + return; + + iounmap(dev->lmmio); + iounmap(dev->lmmio2); + + return; +} + +#ifdef CONFIG_PROC_FS +static int saa7164_proc_show(struct seq_file *m, void *v) +{ + struct saa7164_dev *dev; + struct tmComResBusInfo *b; + struct list_head *list; + int i, c; + + if (saa7164_devcount == 0) + return 0; + + list_for_each(list, &saa7164_devlist) { + dev = list_entry(list, struct saa7164_dev, devlist); + seq_printf(m, "%s = %p\n", dev->name, dev); + + /* Lock the bus from any other access */ + b = &dev->bus; + mutex_lock(&b->lock); + + seq_printf(m, " .m_pdwSetWritePos = 0x%x (0x%08x)\n", + b->m_dwSetReadPos, saa7164_readl(b->m_dwSetReadPos)); + + seq_printf(m, " .m_pdwSetReadPos = 0x%x (0x%08x)\n", + b->m_dwSetWritePos, saa7164_readl(b->m_dwSetWritePos)); + + seq_printf(m, " .m_pdwGetWritePos = 0x%x (0x%08x)\n", + b->m_dwGetReadPos, saa7164_readl(b->m_dwGetReadPos)); + + seq_printf(m, " .m_pdwGetReadPos = 0x%x (0x%08x)\n", + b->m_dwGetWritePos, saa7164_readl(b->m_dwGetWritePos)); + c = 0; + seq_printf(m, "\n Set Ring:\n"); + seq_printf(m, "\n addr 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n"); + for (i = 0; i < b->m_dwSizeSetRing; i++) { + if (c == 0) + seq_printf(m, " %04x:", i); + + seq_printf(m, " %02x", readb(b->m_pdwSetRing + i)); + + if (++c == 16) { + seq_printf(m, "\n"); + c = 0; + } + } + + c = 0; + seq_printf(m, "\n Get Ring:\n"); + seq_printf(m, "\n addr 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n"); + for (i = 0; i < b->m_dwSizeGetRing; i++) { + if (c == 0) + seq_printf(m, " %04x:", i); + + seq_printf(m, " %02x", readb(b->m_pdwGetRing + i)); + + if (++c == 16) { + seq_printf(m, "\n"); + c = 0; + } + } + + mutex_unlock(&b->lock); + + } + + return 0; +} + +static int saa7164_proc_open(struct inode *inode, struct file *filp) +{ + return single_open(filp, saa7164_proc_show, NULL); +} + +static const struct file_operations saa7164_proc_fops = { + .open = saa7164_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int saa7164_proc_create(void) +{ + struct proc_dir_entry *pe; + + pe = proc_create("saa7164", S_IRUGO, NULL, &saa7164_proc_fops); + if (!pe) + return -ENOMEM; + + return 0; +} +#endif + +static int saa7164_thread_function(void *data) +{ + struct saa7164_dev *dev = data; + struct tmFwInfoStruct fwinfo; + u64 last_poll_time = 0; + + dprintk(DBGLVL_THR, "thread started\n"); + + set_freezable(); + + while (1) { + msleep_interruptible(100); + if (kthread_should_stop()) + break; + try_to_freeze(); + + dprintk(DBGLVL_THR, "thread running\n"); + + /* Dump the firmware debug message to console */ + /* Polling this costs us 1-2% of the arm CPU */ + /* convert this into a respnde to interrupt 0x7a */ + saa7164_api_collect_debug(dev); + + /* Monitor CPU load every 1 second */ + if ((last_poll_time + 1000 /* ms */) < jiffies_to_msecs(jiffies)) { + saa7164_api_get_load_info(dev, &fwinfo); + last_poll_time = jiffies_to_msecs(jiffies); + } + + } + + dprintk(DBGLVL_THR, "thread exiting\n"); + return 0; +} + +static int saa7164_initdev(struct pci_dev *pci_dev, + const struct pci_device_id *pci_id) +{ + struct saa7164_dev *dev; + int err, i; + u32 version; + + dev = kzalloc(sizeof(*dev), GFP_KERNEL); + if (NULL == dev) + return -ENOMEM; + + err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev); + if (err < 0) { + dev_err(&pci_dev->dev, "v4l2_device_register failed\n"); + goto fail_free; + } + + /* pci init */ + dev->pci = pci_dev; + if (pci_enable_device(pci_dev)) { + err = -EIO; + goto fail_free; + } + + if (saa7164_dev_setup(dev) < 0) { + err = -EINVAL; + goto fail_free; + } + + /* print pci info */ + dev->pci_rev = pci_dev->revision; + pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); + printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, " + "latency: %d, mmio: 0x%llx\n", dev->name, + pci_name(pci_dev), dev->pci_rev, pci_dev->irq, + dev->pci_lat, + (unsigned long long)pci_resource_start(pci_dev, 0)); + + pci_set_master(pci_dev); + /* TODO */ + if (!pci_dma_supported(pci_dev, 0xffffffff)) { + printk("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name); + err = -EIO; + goto fail_irq; + } + + err = request_irq(pci_dev->irq, saa7164_irq, + IRQF_SHARED, dev->name, dev); + if (err < 0) { + printk(KERN_ERR "%s: can't get IRQ %d\n", dev->name, + pci_dev->irq); + err = -EIO; + goto fail_irq; + } + + pci_set_drvdata(pci_dev, dev); + + /* Init the internal command list */ + for (i = 0; i < SAA_CMD_MAX_MSG_UNITS; i++) { + dev->cmds[i].seqno = i; + dev->cmds[i].inuse = 0; + mutex_init(&dev->cmds[i].lock); + init_waitqueue_head(&dev->cmds[i].wait); + } + + /* We need a deferred interrupt handler for cmd handling */ + INIT_WORK(&dev->workcmd, saa7164_work_cmdhandler); + + /* Only load the firmware if we know the board */ + if (dev->board != SAA7164_BOARD_UNKNOWN) { + + err = saa7164_downloadfirmware(dev); + if (err < 0) { + printk(KERN_ERR + "Failed to boot firmware, no features " + "registered\n"); + goto fail_fw; + } + + saa7164_get_descriptors(dev); + saa7164_dumpregs(dev, 0); + saa7164_getcurrentfirmwareversion(dev); + saa7164_getfirmwarestatus(dev); + err = saa7164_bus_setup(dev); + if (err < 0) + printk(KERN_ERR + "Failed to setup the bus, will continue\n"); + saa7164_bus_dump(dev); + + /* Ping the running firmware via the command bus and get the + * firmware version, this checks the bus is running OK. + */ + version = 0; + if (saa7164_api_get_fw_version(dev, &version) == SAA_OK) + dprintk(1, "Bus is operating correctly using " + "version %d.%d.%d.%d (0x%x)\n", + (version & 0x0000fc00) >> 10, + (version & 0x000003e0) >> 5, + (version & 0x0000001f), + (version & 0xffff0000) >> 16, + version); + else + printk(KERN_ERR + "Failed to communicate with the firmware\n"); + + /* Bring up the I2C buses */ + saa7164_i2c_register(&dev->i2c_bus[0]); + saa7164_i2c_register(&dev->i2c_bus[1]); + saa7164_i2c_register(&dev->i2c_bus[2]); + saa7164_gpio_setup(dev); + saa7164_card_setup(dev); + + /* Parse the dynamic device configuration, find various + * media endpoints (MPEG, WMV, PS, TS) and cache their + * configuration details into the driver, so we can + * reference them later during simething_register() func, + * interrupt handlers, deferred work handlers etc. + */ + saa7164_api_enum_subdevs(dev); + + /* Begin to create the video sub-systems and register funcs */ + if (saa7164_boards[dev->board].porta == SAA7164_MPEG_DVB) { + if (saa7164_dvb_register(&dev->ports[SAA7164_PORT_TS1]) < 0) { + printk(KERN_ERR "%s() Failed to register " + "dvb adapters on porta\n", + __func__); + } + } + + if (saa7164_boards[dev->board].portb == SAA7164_MPEG_DVB) { + if (saa7164_dvb_register(&dev->ports[SAA7164_PORT_TS2]) < 0) { + printk(KERN_ERR"%s() Failed to register " + "dvb adapters on portb\n", + __func__); + } + } + + if (saa7164_boards[dev->board].portc == SAA7164_MPEG_ENCODER) { + if (saa7164_encoder_register(&dev->ports[SAA7164_PORT_ENC1]) < 0) { + printk(KERN_ERR"%s() Failed to register " + "mpeg encoder\n", __func__); + } + } + + if (saa7164_boards[dev->board].portd == SAA7164_MPEG_ENCODER) { + if (saa7164_encoder_register(&dev->ports[SAA7164_PORT_ENC2]) < 0) { + printk(KERN_ERR"%s() Failed to register " + "mpeg encoder\n", __func__); + } + } + + if (saa7164_boards[dev->board].porte == SAA7164_MPEG_VBI) { + if (saa7164_vbi_register(&dev->ports[SAA7164_PORT_VBI1]) < 0) { + printk(KERN_ERR"%s() Failed to register " + "vbi device\n", __func__); + } + } + + if (saa7164_boards[dev->board].portf == SAA7164_MPEG_VBI) { + if (saa7164_vbi_register(&dev->ports[SAA7164_PORT_VBI2]) < 0) { + printk(KERN_ERR"%s() Failed to register " + "vbi device\n", __func__); + } + } + saa7164_api_set_debug(dev, fw_debug); + + if (fw_debug) { + dev->kthread = kthread_run(saa7164_thread_function, dev, + "saa7164 debug"); + if (IS_ERR(dev->kthread)) { + dev->kthread = NULL; + printk(KERN_ERR "%s() Failed to create " + "debug kernel thread\n", __func__); + } + } + + } /* != BOARD_UNKNOWN */ + else + printk(KERN_ERR "%s() Unsupported board detected, " + "registering without firmware\n", __func__); + + dprintk(1, "%s() parameter debug = %d\n", __func__, saa_debug); + dprintk(1, "%s() parameter waitsecs = %d\n", __func__, waitsecs); + +fail_fw: + return 0; + +fail_irq: + saa7164_dev_unregister(dev); +fail_free: + v4l2_device_unregister(&dev->v4l2_dev); + kfree(dev); + return err; +} + +static void saa7164_shutdown(struct saa7164_dev *dev) +{ + dprintk(1, "%s()\n", __func__); +} + +static void saa7164_finidev(struct pci_dev *pci_dev) +{ + struct saa7164_dev *dev = pci_get_drvdata(pci_dev); + + if (dev->board != SAA7164_BOARD_UNKNOWN) { + if (fw_debug && dev->kthread) { + kthread_stop(dev->kthread); + dev->kthread = NULL; + } + if (dev->firmwareloaded) + saa7164_api_set_debug(dev, 0x00); + } + + saa7164_histogram_print(&dev->ports[SAA7164_PORT_ENC1], + &dev->ports[SAA7164_PORT_ENC1].irq_interval); + saa7164_histogram_print(&dev->ports[SAA7164_PORT_ENC1], + &dev->ports[SAA7164_PORT_ENC1].svc_interval); + saa7164_histogram_print(&dev->ports[SAA7164_PORT_ENC1], + &dev->ports[SAA7164_PORT_ENC1].irq_svc_interval); + saa7164_histogram_print(&dev->ports[SAA7164_PORT_ENC1], + &dev->ports[SAA7164_PORT_ENC1].read_interval); + saa7164_histogram_print(&dev->ports[SAA7164_PORT_ENC1], + &dev->ports[SAA7164_PORT_ENC1].poll_interval); + saa7164_histogram_print(&dev->ports[SAA7164_PORT_VBI1], + &dev->ports[SAA7164_PORT_VBI1].read_interval); + saa7164_histogram_print(&dev->ports[SAA7164_PORT_VBI2], + &dev->ports[SAA7164_PORT_VBI2].poll_interval); + + saa7164_shutdown(dev); + + if (saa7164_boards[dev->board].porta == SAA7164_MPEG_DVB) + saa7164_dvb_unregister(&dev->ports[SAA7164_PORT_TS1]); + + if (saa7164_boards[dev->board].portb == SAA7164_MPEG_DVB) + saa7164_dvb_unregister(&dev->ports[SAA7164_PORT_TS2]); + + if (saa7164_boards[dev->board].portc == SAA7164_MPEG_ENCODER) + saa7164_encoder_unregister(&dev->ports[SAA7164_PORT_ENC1]); + + if (saa7164_boards[dev->board].portd == SAA7164_MPEG_ENCODER) + saa7164_encoder_unregister(&dev->ports[SAA7164_PORT_ENC2]); + + if (saa7164_boards[dev->board].porte == SAA7164_MPEG_VBI) + saa7164_vbi_unregister(&dev->ports[SAA7164_PORT_VBI1]); + + if (saa7164_boards[dev->board].portf == SAA7164_MPEG_VBI) + saa7164_vbi_unregister(&dev->ports[SAA7164_PORT_VBI2]); + + saa7164_i2c_unregister(&dev->i2c_bus[0]); + saa7164_i2c_unregister(&dev->i2c_bus[1]); + saa7164_i2c_unregister(&dev->i2c_bus[2]); + + /* unregister stuff */ + free_irq(pci_dev->irq, dev); + + pci_disable_device(pci_dev); + + mutex_lock(&devlist); + list_del(&dev->devlist); + mutex_unlock(&devlist); + + saa7164_dev_unregister(dev); + v4l2_device_unregister(&dev->v4l2_dev); + kfree(dev); +} + +static struct pci_device_id saa7164_pci_tbl[] = { + { + /* SAA7164 */ + .vendor = 0x1131, + .device = 0x7164, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + }, { + /* --- end of list --- */ + } +}; +MODULE_DEVICE_TABLE(pci, saa7164_pci_tbl); + +static struct pci_driver saa7164_pci_driver = { + .name = "saa7164", + .id_table = saa7164_pci_tbl, + .probe = saa7164_initdev, + .remove = saa7164_finidev, + /* TODO */ + .suspend = NULL, + .resume = NULL, +}; + +static int __init saa7164_init(void) +{ + printk(KERN_INFO "saa7164 driver loaded\n"); + +#ifdef CONFIG_PROC_FS + saa7164_proc_create(); +#endif + return pci_register_driver(&saa7164_pci_driver); +} + +static void __exit saa7164_fini(void) +{ +#ifdef CONFIG_PROC_FS + remove_proc_entry("saa7164", NULL); +#endif + pci_unregister_driver(&saa7164_pci_driver); +} + +module_init(saa7164_init); +module_exit(saa7164_fini); + diff --git a/kernel/drivers/media/pci/saa7164/saa7164-dvb.c b/kernel/drivers/media/pci/saa7164/saa7164-dvb.c new file mode 100644 index 000000000..16ae71592 --- /dev/null +++ b/kernel/drivers/media/pci/saa7164/saa7164-dvb.c @@ -0,0 +1,552 @@ +/* + * Driver for the NXP SAA7164 PCIe bridge + * + * Copyright (c) 2010 Steven Toth <stoth@kernellabs.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "saa7164.h" + +#include "tda10048.h" +#include "tda18271.h" +#include "s5h1411.h" + +#define DRIVER_NAME "saa7164" + +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + +/* addr is in the card struct, get it from there */ +static struct tda10048_config hauppauge_hvr2200_1_config = { + .demod_address = 0x10 >> 1, + .output_mode = TDA10048_SERIAL_OUTPUT, + .fwbulkwritelen = TDA10048_BULKWRITE_200, + .inversion = TDA10048_INVERSION_ON, + .dtv6_if_freq_khz = TDA10048_IF_3300, + .dtv7_if_freq_khz = TDA10048_IF_3500, + .dtv8_if_freq_khz = TDA10048_IF_4000, + .clk_freq_khz = TDA10048_CLK_16000, +}; +static struct tda10048_config hauppauge_hvr2200_2_config = { + .demod_address = 0x12 >> 1, + .output_mode = TDA10048_SERIAL_OUTPUT, + .fwbulkwritelen = TDA10048_BULKWRITE_200, + .inversion = TDA10048_INVERSION_ON, + .dtv6_if_freq_khz = TDA10048_IF_3300, + .dtv7_if_freq_khz = TDA10048_IF_3500, + .dtv8_if_freq_khz = TDA10048_IF_4000, + .clk_freq_khz = TDA10048_CLK_16000, +}; + +static struct tda18271_std_map hauppauge_tda18271_std_map = { + .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 3, + .if_lvl = 6, .rfagc_top = 0x37 }, + .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 0, + .if_lvl = 6, .rfagc_top = 0x37 }, +}; + +static struct tda18271_config hauppauge_hvr22x0_tuner_config = { + .std_map = &hauppauge_tda18271_std_map, + .gate = TDA18271_GATE_ANALOG, + .role = TDA18271_MASTER, +}; + +static struct tda18271_config hauppauge_hvr22x0s_tuner_config = { + .std_map = &hauppauge_tda18271_std_map, + .gate = TDA18271_GATE_ANALOG, + .role = TDA18271_SLAVE, + .output_opt = TDA18271_OUTPUT_LT_OFF, + .rf_cal_on_startup = 1 +}; + +static struct s5h1411_config hauppauge_s5h1411_config = { + .output_mode = S5H1411_SERIAL_OUTPUT, + .gpio = S5H1411_GPIO_ON, + .qam_if = S5H1411_IF_4000, + .vsb_if = S5H1411_IF_3250, + .inversion = S5H1411_INVERSION_ON, + .status_mode = S5H1411_DEMODLOCKING, + .mpeg_timing = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK, +}; + +static int saa7164_dvb_stop_port(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + int ret; + + ret = saa7164_api_transition_port(port, SAA_DMASTATE_STOP); + if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() stop transition failed, ret = 0x%x\n", + __func__, ret); + ret = -EIO; + } else { + dprintk(DBGLVL_DVB, "%s() Stopped\n", __func__); + ret = 0; + } + + return ret; +} + +static int saa7164_dvb_acquire_port(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + int ret; + + ret = saa7164_api_transition_port(port, SAA_DMASTATE_ACQUIRE); + if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() acquire transition failed, ret = 0x%x\n", + __func__, ret); + ret = -EIO; + } else { + dprintk(DBGLVL_DVB, "%s() Acquired\n", __func__); + ret = 0; + } + + return ret; +} + +static int saa7164_dvb_pause_port(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + int ret; + + ret = saa7164_api_transition_port(port, SAA_DMASTATE_PAUSE); + if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() pause transition failed, ret = 0x%x\n", + __func__, ret); + ret = -EIO; + } else { + dprintk(DBGLVL_DVB, "%s() Paused\n", __func__); + ret = 0; + } + + return ret; +} + +/* Firmware is very windows centric, meaning you have to transition + * the part through AVStream / KS Windows stages, forwards or backwards. + * States are: stopped, acquired (h/w), paused, started. + */ +static int saa7164_dvb_stop_streaming(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + struct saa7164_buffer *buf; + struct list_head *p, *q; + int ret; + + dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr); + + ret = saa7164_dvb_pause_port(port); + ret = saa7164_dvb_acquire_port(port); + ret = saa7164_dvb_stop_port(port); + + /* Mark the hardware buffers as free */ + mutex_lock(&port->dmaqueue_lock); + list_for_each_safe(p, q, &port->dmaqueue.list) { + buf = list_entry(p, struct saa7164_buffer, list); + buf->flags = SAA7164_BUFFER_FREE; + } + mutex_unlock(&port->dmaqueue_lock); + + return ret; +} + +static int saa7164_dvb_start_port(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + int ret = 0, result; + + dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr); + + saa7164_buffer_cfg_port(port); + + /* Acquire the hardware */ + result = saa7164_api_transition_port(port, SAA_DMASTATE_ACQUIRE); + if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() acquire transition failed, res = 0x%x\n", + __func__, result); + + /* Stop the hardware, regardless */ + result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP); + if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() acquire/forced stop transition " + "failed, res = 0x%x\n", __func__, result); + } + ret = -EIO; + goto out; + } else + dprintk(DBGLVL_DVB, "%s() Acquired\n", __func__); + + /* Pause the hardware */ + result = saa7164_api_transition_port(port, SAA_DMASTATE_PAUSE); + if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() pause transition failed, res = 0x%x\n", + __func__, result); + + /* Stop the hardware, regardless */ + result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP); + if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() pause/forced stop transition " + "failed, res = 0x%x\n", __func__, result); + } + + ret = -EIO; + goto out; + } else + dprintk(DBGLVL_DVB, "%s() Paused\n", __func__); + + /* Start the hardware */ + result = saa7164_api_transition_port(port, SAA_DMASTATE_RUN); + if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() run transition failed, result = 0x%x\n", + __func__, result); + + /* Stop the hardware, regardless */ + result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP); + if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() run/forced stop transition " + "failed, res = 0x%x\n", __func__, result); + } + + ret = -EIO; + } else + dprintk(DBGLVL_DVB, "%s() Running\n", __func__); + +out: + return ret; +} + +static int saa7164_dvb_start_feed(struct dvb_demux_feed *feed) +{ + struct dvb_demux *demux = feed->demux; + struct saa7164_port *port = (struct saa7164_port *) demux->priv; + struct saa7164_dvb *dvb = &port->dvb; + struct saa7164_dev *dev = port->dev; + int ret = 0; + + dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr); + + if (!demux->dmx.frontend) + return -EINVAL; + + mutex_lock(&dvb->lock); + if (dvb->feeding++ == 0) { + /* Start transport */ + ret = saa7164_dvb_start_port(port); + } + mutex_unlock(&dvb->lock); + dprintk(DBGLVL_DVB, "%s(port=%d) now feeding = %d\n", + __func__, port->nr, dvb->feeding); + + return ret; +} + +static int saa7164_dvb_stop_feed(struct dvb_demux_feed *feed) +{ + struct dvb_demux *demux = feed->demux; + struct saa7164_port *port = (struct saa7164_port *) demux->priv; + struct saa7164_dvb *dvb = &port->dvb; + struct saa7164_dev *dev = port->dev; + int ret = 0; + + dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr); + + mutex_lock(&dvb->lock); + if (--dvb->feeding == 0) { + /* Stop transport */ + ret = saa7164_dvb_stop_streaming(port); + } + mutex_unlock(&dvb->lock); + dprintk(DBGLVL_DVB, "%s(port=%d) now feeding = %d\n", + __func__, port->nr, dvb->feeding); + + return ret; +} + +static int dvb_register(struct saa7164_port *port) +{ + struct saa7164_dvb *dvb = &port->dvb; + struct saa7164_dev *dev = port->dev; + struct saa7164_buffer *buf; + int result, i; + + dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr); + + if (port->type != SAA7164_MPEG_DVB) + BUG(); + + /* Sanity check that the PCI configuration space is active */ + if (port->hwcfg.BARLocation == 0) { + result = -ENOMEM; + printk(KERN_ERR "%s: dvb_register_adapter failed " + "(errno = %d), NO PCI configuration\n", + DRIVER_NAME, result); + goto fail_adapter; + } + + /* Init and establish defaults */ + port->hw_streamingparams.bitspersample = 8; + port->hw_streamingparams.samplesperline = 188; + port->hw_streamingparams.numberoflines = + (SAA7164_TS_NUMBER_OF_LINES * 188) / 188; + + port->hw_streamingparams.pitch = 188; + port->hw_streamingparams.linethreshold = 0; + port->hw_streamingparams.pagetablelistvirt = NULL; + port->hw_streamingparams.pagetablelistphys = NULL; + port->hw_streamingparams.numpagetables = 2 + + ((SAA7164_TS_NUMBER_OF_LINES * 188) / PAGE_SIZE); + + port->hw_streamingparams.numpagetableentries = port->hwcfg.buffercount; + + /* Allocate the PCI resources */ + for (i = 0; i < port->hwcfg.buffercount; i++) { + buf = saa7164_buffer_alloc(port, + port->hw_streamingparams.numberoflines * + port->hw_streamingparams.pitch); + + if (!buf) { + result = -ENOMEM; + printk(KERN_ERR "%s: dvb_register_adapter failed " + "(errno = %d), unable to allocate buffers\n", + DRIVER_NAME, result); + goto fail_adapter; + } + + mutex_lock(&port->dmaqueue_lock); + list_add_tail(&buf->list, &port->dmaqueue.list); + mutex_unlock(&port->dmaqueue_lock); + } + + /* register adapter */ + result = dvb_register_adapter(&dvb->adapter, DRIVER_NAME, THIS_MODULE, + &dev->pci->dev, adapter_nr); + if (result < 0) { + printk(KERN_ERR "%s: dvb_register_adapter failed " + "(errno = %d)\n", DRIVER_NAME, result); + goto fail_adapter; + } + dvb->adapter.priv = port; + + /* register frontend */ + result = dvb_register_frontend(&dvb->adapter, dvb->frontend); + if (result < 0) { + printk(KERN_ERR "%s: dvb_register_frontend failed " + "(errno = %d)\n", DRIVER_NAME, result); + goto fail_frontend; + } + + /* register demux stuff */ + dvb->demux.dmx.capabilities = + DMX_TS_FILTERING | DMX_SECTION_FILTERING | + DMX_MEMORY_BASED_FILTERING; + dvb->demux.priv = port; + dvb->demux.filternum = 256; + dvb->demux.feednum = 256; + dvb->demux.start_feed = saa7164_dvb_start_feed; + dvb->demux.stop_feed = saa7164_dvb_stop_feed; + result = dvb_dmx_init(&dvb->demux); + if (result < 0) { + printk(KERN_ERR "%s: dvb_dmx_init failed (errno = %d)\n", + DRIVER_NAME, result); + goto fail_dmx; + } + + dvb->dmxdev.filternum = 256; + dvb->dmxdev.demux = &dvb->demux.dmx; + dvb->dmxdev.capabilities = 0; + result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter); + if (result < 0) { + printk(KERN_ERR "%s: dvb_dmxdev_init failed (errno = %d)\n", + DRIVER_NAME, result); + goto fail_dmxdev; + } + + dvb->fe_hw.source = DMX_FRONTEND_0; + result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw); + if (result < 0) { + printk(KERN_ERR "%s: add_frontend failed " + "(DMX_FRONTEND_0, errno = %d)\n", DRIVER_NAME, result); + goto fail_fe_hw; + } + + dvb->fe_mem.source = DMX_MEMORY_FE; + result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem); + if (result < 0) { + printk(KERN_ERR "%s: add_frontend failed " + "(DMX_MEMORY_FE, errno = %d)\n", DRIVER_NAME, result); + goto fail_fe_mem; + } + + result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw); + if (result < 0) { + printk(KERN_ERR "%s: connect_frontend failed (errno = %d)\n", + DRIVER_NAME, result); + goto fail_fe_conn; + } + + /* register network adapter */ + dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx); + return 0; + +fail_fe_conn: + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); +fail_fe_mem: + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); +fail_fe_hw: + dvb_dmxdev_release(&dvb->dmxdev); +fail_dmxdev: + dvb_dmx_release(&dvb->demux); +fail_dmx: + dvb_unregister_frontend(dvb->frontend); +fail_frontend: + dvb_frontend_detach(dvb->frontend); + dvb_unregister_adapter(&dvb->adapter); +fail_adapter: + return result; +} + +int saa7164_dvb_unregister(struct saa7164_port *port) +{ + struct saa7164_dvb *dvb = &port->dvb; + struct saa7164_dev *dev = port->dev; + struct saa7164_buffer *b; + struct list_head *c, *n; + + dprintk(DBGLVL_DVB, "%s()\n", __func__); + + if (port->type != SAA7164_MPEG_DVB) + BUG(); + + /* Remove any allocated buffers */ + mutex_lock(&port->dmaqueue_lock); + list_for_each_safe(c, n, &port->dmaqueue.list) { + b = list_entry(c, struct saa7164_buffer, list); + list_del(c); + saa7164_buffer_dealloc(b); + } + mutex_unlock(&port->dmaqueue_lock); + + if (dvb->frontend == NULL) + return 0; + + dvb_net_release(&dvb->net); + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); + dvb_dmxdev_release(&dvb->dmxdev); + dvb_dmx_release(&dvb->demux); + dvb_unregister_frontend(dvb->frontend); + dvb_frontend_detach(dvb->frontend); + dvb_unregister_adapter(&dvb->adapter); + return 0; +} + +/* All the DVB attach calls go here, this function get's modified + * for each new card. + */ +int saa7164_dvb_register(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + struct saa7164_dvb *dvb = &port->dvb; + struct saa7164_i2c *i2c_bus = NULL; + int ret; + + dprintk(DBGLVL_DVB, "%s()\n", __func__); + + /* init frontend */ + switch (dev->board) { + case SAA7164_BOARD_HAUPPAUGE_HVR2200: + case SAA7164_BOARD_HAUPPAUGE_HVR2200_2: + case SAA7164_BOARD_HAUPPAUGE_HVR2200_3: + case SAA7164_BOARD_HAUPPAUGE_HVR2200_4: + case SAA7164_BOARD_HAUPPAUGE_HVR2200_5: + i2c_bus = &dev->i2c_bus[port->nr + 1]; + switch (port->nr) { + case 0: + port->dvb.frontend = dvb_attach(tda10048_attach, + &hauppauge_hvr2200_1_config, + &i2c_bus->i2c_adap); + + if (port->dvb.frontend != NULL) { + /* TODO: addr is in the card struct */ + dvb_attach(tda18271_attach, port->dvb.frontend, + 0xc0 >> 1, &i2c_bus->i2c_adap, + &hauppauge_hvr22x0_tuner_config); + } + + break; + case 1: + port->dvb.frontend = dvb_attach(tda10048_attach, + &hauppauge_hvr2200_2_config, + &i2c_bus->i2c_adap); + + if (port->dvb.frontend != NULL) { + /* TODO: addr is in the card struct */ + dvb_attach(tda18271_attach, port->dvb.frontend, + 0xc0 >> 1, &i2c_bus->i2c_adap, + &hauppauge_hvr22x0s_tuner_config); + } + + break; + } + break; + case SAA7164_BOARD_HAUPPAUGE_HVR2250: + case SAA7164_BOARD_HAUPPAUGE_HVR2250_2: + case SAA7164_BOARD_HAUPPAUGE_HVR2250_3: + i2c_bus = &dev->i2c_bus[port->nr + 1]; + + port->dvb.frontend = dvb_attach(s5h1411_attach, + &hauppauge_s5h1411_config, + &i2c_bus->i2c_adap); + + if (port->dvb.frontend != NULL) { + if (port->nr == 0) { + /* Master TDA18271 */ + /* TODO: addr is in the card struct */ + dvb_attach(tda18271_attach, port->dvb.frontend, + 0xc0 >> 1, &i2c_bus->i2c_adap, + &hauppauge_hvr22x0_tuner_config); + } else { + /* Slave TDA18271 */ + dvb_attach(tda18271_attach, port->dvb.frontend, + 0xc0 >> 1, &i2c_bus->i2c_adap, + &hauppauge_hvr22x0s_tuner_config); + } + } + + break; + default: + printk(KERN_ERR "%s: The frontend isn't supported\n", + dev->name); + break; + } + if (NULL == dvb->frontend) { + printk(KERN_ERR "%s() Frontend initialization failed\n", + __func__); + return -1; + } + + /* register everything */ + ret = dvb_register(port); + if (ret < 0) { + if (dvb->frontend->ops.release) + dvb->frontend->ops.release(dvb->frontend); + return ret; + } + + return 0; +} + diff --git a/kernel/drivers/media/pci/saa7164/saa7164-encoder.c b/kernel/drivers/media/pci/saa7164/saa7164-encoder.c new file mode 100644 index 000000000..926696541 --- /dev/null +++ b/kernel/drivers/media/pci/saa7164/saa7164-encoder.c @@ -0,0 +1,1471 @@ +/* + * Driver for the NXP SAA7164 PCIe bridge + * + * Copyright (c) 2010 Steven Toth <stoth@kernellabs.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "saa7164.h" + +#define ENCODER_MAX_BITRATE 6500000 +#define ENCODER_MIN_BITRATE 1000000 +#define ENCODER_DEF_BITRATE 5000000 + +static struct saa7164_tvnorm saa7164_tvnorms[] = { + { + .name = "NTSC-M", + .id = V4L2_STD_NTSC_M, + }, { + .name = "NTSC-JP", + .id = V4L2_STD_NTSC_M_JP, + } +}; + +static const u32 saa7164_v4l2_ctrls[] = { + V4L2_CID_BRIGHTNESS, + V4L2_CID_CONTRAST, + V4L2_CID_SATURATION, + V4L2_CID_HUE, + V4L2_CID_AUDIO_VOLUME, + V4L2_CID_SHARPNESS, + V4L2_CID_MPEG_STREAM_TYPE, + V4L2_CID_MPEG_VIDEO_ASPECT, + V4L2_CID_MPEG_VIDEO_B_FRAMES, + V4L2_CID_MPEG_VIDEO_GOP_SIZE, + V4L2_CID_MPEG_AUDIO_MUTE, + V4L2_CID_MPEG_VIDEO_BITRATE_MODE, + V4L2_CID_MPEG_VIDEO_BITRATE, + V4L2_CID_MPEG_VIDEO_BITRATE_PEAK, + 0 +}; + +/* Take the encoder configuration form the port struct and + * flush it to the hardware. + */ +static void saa7164_encoder_configure(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + dprintk(DBGLVL_ENC, "%s()\n", __func__); + + port->encoder_params.width = port->width; + port->encoder_params.height = port->height; + port->encoder_params.is_50hz = + (port->encodernorm.id & V4L2_STD_625_50) != 0; + + /* Set up the DIF (enable it) for analog mode by default */ + saa7164_api_initialize_dif(port); + + /* Configure the correct video standard */ + saa7164_api_configure_dif(port, port->encodernorm.id); + + /* Ensure the audio decoder is correct configured */ + saa7164_api_set_audio_std(port); +} + +static int saa7164_encoder_buffers_dealloc(struct saa7164_port *port) +{ + struct list_head *c, *n, *p, *q, *l, *v; + struct saa7164_dev *dev = port->dev; + struct saa7164_buffer *buf; + struct saa7164_user_buffer *ubuf; + + /* Remove any allocated buffers */ + mutex_lock(&port->dmaqueue_lock); + + dprintk(DBGLVL_ENC, "%s(port=%d) dmaqueue\n", __func__, port->nr); + list_for_each_safe(c, n, &port->dmaqueue.list) { + buf = list_entry(c, struct saa7164_buffer, list); + list_del(c); + saa7164_buffer_dealloc(buf); + } + + dprintk(DBGLVL_ENC, "%s(port=%d) used\n", __func__, port->nr); + list_for_each_safe(p, q, &port->list_buf_used.list) { + ubuf = list_entry(p, struct saa7164_user_buffer, list); + list_del(p); + saa7164_buffer_dealloc_user(ubuf); + } + + dprintk(DBGLVL_ENC, "%s(port=%d) free\n", __func__, port->nr); + list_for_each_safe(l, v, &port->list_buf_free.list) { + ubuf = list_entry(l, struct saa7164_user_buffer, list); + list_del(l); + saa7164_buffer_dealloc_user(ubuf); + } + + mutex_unlock(&port->dmaqueue_lock); + dprintk(DBGLVL_ENC, "%s(port=%d) done\n", __func__, port->nr); + + return 0; +} + +/* Dynamic buffer switch at encoder start time */ +static int saa7164_encoder_buffers_alloc(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + struct saa7164_buffer *buf; + struct saa7164_user_buffer *ubuf; + struct tmHWStreamParameters *params = &port->hw_streamingparams; + int result = -ENODEV, i; + int len = 0; + + dprintk(DBGLVL_ENC, "%s()\n", __func__); + + if (port->encoder_params.stream_type == + V4L2_MPEG_STREAM_TYPE_MPEG2_PS) { + dprintk(DBGLVL_ENC, + "%s() type=V4L2_MPEG_STREAM_TYPE_MPEG2_PS\n", + __func__); + params->samplesperline = 128; + params->numberoflines = 256; + params->pitch = 128; + params->numpagetables = 2 + + ((SAA7164_PS_NUMBER_OF_LINES * 128) / PAGE_SIZE); + } else + if (port->encoder_params.stream_type == + V4L2_MPEG_STREAM_TYPE_MPEG2_TS) { + dprintk(DBGLVL_ENC, + "%s() type=V4L2_MPEG_STREAM_TYPE_MPEG2_TS\n", + __func__); + params->samplesperline = 188; + params->numberoflines = 312; + params->pitch = 188; + params->numpagetables = 2 + + ((SAA7164_TS_NUMBER_OF_LINES * 188) / PAGE_SIZE); + } else + BUG(); + + /* Init and establish defaults */ + params->bitspersample = 8; + params->linethreshold = 0; + params->pagetablelistvirt = NULL; + params->pagetablelistphys = NULL; + params->numpagetableentries = port->hwcfg.buffercount; + + /* Allocate the PCI resources, buffers (hard) */ + for (i = 0; i < port->hwcfg.buffercount; i++) { + buf = saa7164_buffer_alloc(port, + params->numberoflines * + params->pitch); + + if (!buf) { + printk(KERN_ERR "%s() failed " + "(errno = %d), unable to allocate buffer\n", + __func__, result); + result = -ENOMEM; + goto failed; + } else { + + mutex_lock(&port->dmaqueue_lock); + list_add_tail(&buf->list, &port->dmaqueue.list); + mutex_unlock(&port->dmaqueue_lock); + + } + } + + /* Allocate some kernel buffers for copying + * to userpsace. + */ + len = params->numberoflines * params->pitch; + + if (encoder_buffers < 16) + encoder_buffers = 16; + if (encoder_buffers > 512) + encoder_buffers = 512; + + for (i = 0; i < encoder_buffers; i++) { + + ubuf = saa7164_buffer_alloc_user(dev, len); + if (ubuf) { + mutex_lock(&port->dmaqueue_lock); + list_add_tail(&ubuf->list, &port->list_buf_free.list); + mutex_unlock(&port->dmaqueue_lock); + } + + } + + result = 0; + +failed: + return result; +} + +static int saa7164_encoder_initialize(struct saa7164_port *port) +{ + saa7164_encoder_configure(port); + return 0; +} + +/* -- V4L2 --------------------------------------------------------- */ +static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id) +{ + struct saa7164_encoder_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_dev *dev = port->dev; + unsigned int i; + + dprintk(DBGLVL_ENC, "%s(id=0x%x)\n", __func__, (u32)id); + + for (i = 0; i < ARRAY_SIZE(saa7164_tvnorms); i++) { + if (id & saa7164_tvnorms[i].id) + break; + } + if (i == ARRAY_SIZE(saa7164_tvnorms)) + return -EINVAL; + + port->encodernorm = saa7164_tvnorms[i]; + port->std = id; + + /* Update the audio decoder while is not running in + * auto detect mode. + */ + saa7164_api_set_audio_std(port); + + dprintk(DBGLVL_ENC, "%s(id=0x%x) OK\n", __func__, (u32)id); + + return 0; +} + +static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) +{ + struct saa7164_encoder_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + + *id = port->std; + return 0; +} + +static int vidioc_enum_input(struct file *file, void *priv, + struct v4l2_input *i) +{ + int n; + + char *inputs[] = { "tuner", "composite", "svideo", "aux", + "composite 2", "svideo 2", "aux 2" }; + + if (i->index >= 7) + return -EINVAL; + + strcpy(i->name, inputs[i->index]); + + if (i->index == 0) + i->type = V4L2_INPUT_TYPE_TUNER; + else + i->type = V4L2_INPUT_TYPE_CAMERA; + + for (n = 0; n < ARRAY_SIZE(saa7164_tvnorms); n++) + i->std |= saa7164_tvnorms[n].id; + + return 0; +} + +static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) +{ + struct saa7164_encoder_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_dev *dev = port->dev; + + if (saa7164_api_get_videomux(port) != SAA_OK) + return -EIO; + + *i = (port->mux_input - 1); + + dprintk(DBGLVL_ENC, "%s() input=%d\n", __func__, *i); + + return 0; +} + +static int vidioc_s_input(struct file *file, void *priv, unsigned int i) +{ + struct saa7164_encoder_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_dev *dev = port->dev; + + dprintk(DBGLVL_ENC, "%s() input=%d\n", __func__, i); + + if (i >= 7) + return -EINVAL; + + port->mux_input = i + 1; + + if (saa7164_api_set_videomux(port) != SAA_OK) + return -EIO; + + return 0; +} + +static int vidioc_g_tuner(struct file *file, void *priv, + struct v4l2_tuner *t) +{ + struct saa7164_encoder_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_dev *dev = port->dev; + + if (0 != t->index) + return -EINVAL; + + strcpy(t->name, "tuner"); + t->type = V4L2_TUNER_ANALOG_TV; + t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO; + + dprintk(DBGLVL_ENC, "VIDIOC_G_TUNER: tuner type %d\n", t->type); + + return 0; +} + +static int vidioc_s_tuner(struct file *file, void *priv, + const struct v4l2_tuner *t) +{ + /* Update the A/V core */ + return 0; +} + +static int vidioc_g_frequency(struct file *file, void *priv, + struct v4l2_frequency *f) +{ + struct saa7164_encoder_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + + f->type = V4L2_TUNER_ANALOG_TV; + f->frequency = port->freq; + + return 0; +} + +static int vidioc_s_frequency(struct file *file, void *priv, + const struct v4l2_frequency *f) +{ + struct saa7164_encoder_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_dev *dev = port->dev; + struct saa7164_port *tsport; + struct dvb_frontend *fe; + + /* TODO: Pull this for the std */ + struct analog_parameters params = { + .mode = V4L2_TUNER_ANALOG_TV, + .audmode = V4L2_TUNER_MODE_STEREO, + .std = port->encodernorm.id, + .frequency = f->frequency + }; + + /* Stop the encoder */ + dprintk(DBGLVL_ENC, "%s() frequency=%d tuner=%d\n", __func__, + f->frequency, f->tuner); + + if (f->tuner != 0) + return -EINVAL; + + if (f->type != V4L2_TUNER_ANALOG_TV) + return -EINVAL; + + port->freq = f->frequency; + + /* Update the hardware */ + if (port->nr == SAA7164_PORT_ENC1) + tsport = &dev->ports[SAA7164_PORT_TS1]; + else + if (port->nr == SAA7164_PORT_ENC2) + tsport = &dev->ports[SAA7164_PORT_TS2]; + else + BUG(); + + fe = tsport->dvb.frontend; + + if (fe && fe->ops.tuner_ops.set_analog_params) + fe->ops.tuner_ops.set_analog_params(fe, ¶ms); + else + printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__); + + saa7164_encoder_initialize(port); + + return 0; +} + +static int vidioc_g_ctrl(struct file *file, void *priv, + struct v4l2_control *ctl) +{ + struct saa7164_encoder_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_dev *dev = port->dev; + + dprintk(DBGLVL_ENC, "%s(id=%d, value=%d)\n", __func__, + ctl->id, ctl->value); + + switch (ctl->id) { + case V4L2_CID_BRIGHTNESS: + ctl->value = port->ctl_brightness; + break; + case V4L2_CID_CONTRAST: + ctl->value = port->ctl_contrast; + break; + case V4L2_CID_SATURATION: + ctl->value = port->ctl_saturation; + break; + case V4L2_CID_HUE: + ctl->value = port->ctl_hue; + break; + case V4L2_CID_SHARPNESS: + ctl->value = port->ctl_sharpness; + break; + case V4L2_CID_AUDIO_VOLUME: + ctl->value = port->ctl_volume; + break; + default: + return -EINVAL; + } + + return 0; +} + +static int vidioc_s_ctrl(struct file *file, void *priv, + struct v4l2_control *ctl) +{ + struct saa7164_encoder_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_dev *dev = port->dev; + int ret = 0; + + dprintk(DBGLVL_ENC, "%s(id=%d, value=%d)\n", __func__, + ctl->id, ctl->value); + + switch (ctl->id) { + case V4L2_CID_BRIGHTNESS: + if ((ctl->value >= 0) && (ctl->value <= 255)) { + port->ctl_brightness = ctl->value; + saa7164_api_set_usercontrol(port, + PU_BRIGHTNESS_CONTROL); + } else + ret = -EINVAL; + break; + case V4L2_CID_CONTRAST: + if ((ctl->value >= 0) && (ctl->value <= 255)) { + port->ctl_contrast = ctl->value; + saa7164_api_set_usercontrol(port, PU_CONTRAST_CONTROL); + } else + ret = -EINVAL; + break; + case V4L2_CID_SATURATION: + if ((ctl->value >= 0) && (ctl->value <= 255)) { + port->ctl_saturation = ctl->value; + saa7164_api_set_usercontrol(port, + PU_SATURATION_CONTROL); + } else + ret = -EINVAL; + break; + case V4L2_CID_HUE: + if ((ctl->value >= 0) && (ctl->value <= 255)) { + port->ctl_hue = ctl->value; + saa7164_api_set_usercontrol(port, PU_HUE_CONTROL); + } else + ret = -EINVAL; + break; + case V4L2_CID_SHARPNESS: + if ((ctl->value >= 0) && (ctl->value <= 255)) { + port->ctl_sharpness = ctl->value; + saa7164_api_set_usercontrol(port, PU_SHARPNESS_CONTROL); + } else + ret = -EINVAL; + break; + case V4L2_CID_AUDIO_VOLUME: + if ((ctl->value >= -83) && (ctl->value <= 24)) { + port->ctl_volume = ctl->value; + saa7164_api_set_audio_volume(port, port->ctl_volume); + } else + ret = -EINVAL; + break; + default: + ret = -EINVAL; + } + + return ret; +} + +static int saa7164_get_ctrl(struct saa7164_port *port, + struct v4l2_ext_control *ctrl) +{ + struct saa7164_encoder_params *params = &port->encoder_params; + + switch (ctrl->id) { + case V4L2_CID_MPEG_VIDEO_BITRATE: + ctrl->value = params->bitrate; + break; + case V4L2_CID_MPEG_STREAM_TYPE: + ctrl->value = params->stream_type; + break; + case V4L2_CID_MPEG_AUDIO_MUTE: + ctrl->value = params->ctl_mute; + break; + case V4L2_CID_MPEG_VIDEO_ASPECT: + ctrl->value = params->ctl_aspect; + break; + case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: + ctrl->value = params->bitrate_mode; + break; + case V4L2_CID_MPEG_VIDEO_B_FRAMES: + ctrl->value = params->refdist; + break; + case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: + ctrl->value = params->bitrate_peak; + break; + case V4L2_CID_MPEG_VIDEO_GOP_SIZE: + ctrl->value = params->gop_size; + break; + default: + return -EINVAL; + } + return 0; +} + +static int vidioc_g_ext_ctrls(struct file *file, void *priv, + struct v4l2_ext_controls *ctrls) +{ + struct saa7164_encoder_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + int i, err = 0; + + if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) { + for (i = 0; i < ctrls->count; i++) { + struct v4l2_ext_control *ctrl = ctrls->controls + i; + + err = saa7164_get_ctrl(port, ctrl); + if (err) { + ctrls->error_idx = i; + break; + } + } + return err; + + } + + return -EINVAL; +} + +static int saa7164_try_ctrl(struct v4l2_ext_control *ctrl, int ac3) +{ + int ret = -EINVAL; + + switch (ctrl->id) { + case V4L2_CID_MPEG_VIDEO_BITRATE: + if ((ctrl->value >= ENCODER_MIN_BITRATE) && + (ctrl->value <= ENCODER_MAX_BITRATE)) + ret = 0; + break; + case V4L2_CID_MPEG_STREAM_TYPE: + if ((ctrl->value == V4L2_MPEG_STREAM_TYPE_MPEG2_PS) || + (ctrl->value == V4L2_MPEG_STREAM_TYPE_MPEG2_TS)) + ret = 0; + break; + case V4L2_CID_MPEG_AUDIO_MUTE: + if ((ctrl->value >= 0) && + (ctrl->value <= 1)) + ret = 0; + break; + case V4L2_CID_MPEG_VIDEO_ASPECT: + if ((ctrl->value >= V4L2_MPEG_VIDEO_ASPECT_1x1) && + (ctrl->value <= V4L2_MPEG_VIDEO_ASPECT_221x100)) + ret = 0; + break; + case V4L2_CID_MPEG_VIDEO_GOP_SIZE: + if ((ctrl->value >= 0) && + (ctrl->value <= 255)) + ret = 0; + break; + case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: + if ((ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR) || + (ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)) + ret = 0; + break; + case V4L2_CID_MPEG_VIDEO_B_FRAMES: + if ((ctrl->value >= 1) && + (ctrl->value <= 3)) + ret = 0; + break; + case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: + if ((ctrl->value >= ENCODER_MIN_BITRATE) && + (ctrl->value <= ENCODER_MAX_BITRATE)) + ret = 0; + break; + default: + ret = -EINVAL; + } + + return ret; +} + +static int vidioc_try_ext_ctrls(struct file *file, void *priv, + struct v4l2_ext_controls *ctrls) +{ + int i, err = 0; + + if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) { + for (i = 0; i < ctrls->count; i++) { + struct v4l2_ext_control *ctrl = ctrls->controls + i; + + err = saa7164_try_ctrl(ctrl, 0); + if (err) { + ctrls->error_idx = i; + break; + } + } + return err; + } + + return -EINVAL; +} + +static int saa7164_set_ctrl(struct saa7164_port *port, + struct v4l2_ext_control *ctrl) +{ + struct saa7164_encoder_params *params = &port->encoder_params; + int ret = 0; + + switch (ctrl->id) { + case V4L2_CID_MPEG_VIDEO_BITRATE: + params->bitrate = ctrl->value; + break; + case V4L2_CID_MPEG_STREAM_TYPE: + params->stream_type = ctrl->value; + break; + case V4L2_CID_MPEG_AUDIO_MUTE: + params->ctl_mute = ctrl->value; + ret = saa7164_api_audio_mute(port, params->ctl_mute); + if (ret != SAA_OK) { + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, + ret); + ret = -EIO; + } + break; + case V4L2_CID_MPEG_VIDEO_ASPECT: + params->ctl_aspect = ctrl->value; + ret = saa7164_api_set_aspect_ratio(port); + if (ret != SAA_OK) { + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, + ret); + ret = -EIO; + } + break; + case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: + params->bitrate_mode = ctrl->value; + break; + case V4L2_CID_MPEG_VIDEO_B_FRAMES: + params->refdist = ctrl->value; + break; + case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: + params->bitrate_peak = ctrl->value; + break; + case V4L2_CID_MPEG_VIDEO_GOP_SIZE: + params->gop_size = ctrl->value; + break; + default: + return -EINVAL; + } + + /* TODO: Update the hardware */ + + return ret; +} + +static int vidioc_s_ext_ctrls(struct file *file, void *priv, + struct v4l2_ext_controls *ctrls) +{ + struct saa7164_encoder_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + int i, err = 0; + + if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) { + for (i = 0; i < ctrls->count; i++) { + struct v4l2_ext_control *ctrl = ctrls->controls + i; + + err = saa7164_try_ctrl(ctrl, 0); + if (err) { + ctrls->error_idx = i; + break; + } + err = saa7164_set_ctrl(port, ctrl); + if (err) { + ctrls->error_idx = i; + break; + } + } + return err; + + } + + return -EINVAL; +} + +static int vidioc_querycap(struct file *file, void *priv, + struct v4l2_capability *cap) +{ + struct saa7164_encoder_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_dev *dev = port->dev; + + strcpy(cap->driver, dev->name); + strlcpy(cap->card, saa7164_boards[dev->board].name, + sizeof(cap->card)); + sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); + + cap->capabilities = + V4L2_CAP_VIDEO_CAPTURE | + V4L2_CAP_READWRITE | + 0; + + cap->capabilities |= V4L2_CAP_TUNER; + cap->version = 0; + + return 0; +} + +static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_fmtdesc *f) +{ + if (f->index != 0) + return -EINVAL; + + strlcpy(f->description, "MPEG", sizeof(f->description)); + f->pixelformat = V4L2_PIX_FMT_MPEG; + + return 0; +} + +static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct saa7164_encoder_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_dev *dev = port->dev; + + f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; + f->fmt.pix.bytesperline = 0; + f->fmt.pix.sizeimage = + port->ts_packet_size * port->ts_packet_count; + f->fmt.pix.colorspace = 0; + f->fmt.pix.width = port->width; + f->fmt.pix.height = port->height; + + dprintk(DBGLVL_ENC, "VIDIOC_G_FMT: w: %d, h: %d\n", + port->width, port->height); + + return 0; +} + +static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct saa7164_encoder_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_dev *dev = port->dev; + + f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; + f->fmt.pix.bytesperline = 0; + f->fmt.pix.sizeimage = + port->ts_packet_size * port->ts_packet_count; + f->fmt.pix.colorspace = 0; + dprintk(DBGLVL_ENC, "VIDIOC_TRY_FMT: w: %d, h: %d\n", + port->width, port->height); + return 0; +} + +static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct saa7164_encoder_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_dev *dev = port->dev; + + f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; + f->fmt.pix.bytesperline = 0; + f->fmt.pix.sizeimage = + port->ts_packet_size * port->ts_packet_count; + f->fmt.pix.colorspace = 0; + + dprintk(DBGLVL_ENC, "VIDIOC_S_FMT: w: %d, h: %d, f: %d\n", + f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field); + + return 0; +} + +static int fill_queryctrl(struct saa7164_encoder_params *params, + struct v4l2_queryctrl *c) +{ + switch (c->id) { + case V4L2_CID_BRIGHTNESS: + return v4l2_ctrl_query_fill(c, 0x0, 0xff, 1, 127); + case V4L2_CID_CONTRAST: + return v4l2_ctrl_query_fill(c, 0x0, 0xff, 1, 66); + case V4L2_CID_SATURATION: + return v4l2_ctrl_query_fill(c, 0x0, 0xff, 1, 62); + case V4L2_CID_HUE: + return v4l2_ctrl_query_fill(c, 0x0, 0xff, 1, 128); + case V4L2_CID_SHARPNESS: + return v4l2_ctrl_query_fill(c, 0x0, 0x0f, 1, 8); + case V4L2_CID_MPEG_AUDIO_MUTE: + return v4l2_ctrl_query_fill(c, 0x0, 0x01, 1, 0); + case V4L2_CID_AUDIO_VOLUME: + return v4l2_ctrl_query_fill(c, -83, 24, 1, 20); + case V4L2_CID_MPEG_VIDEO_BITRATE: + return v4l2_ctrl_query_fill(c, + ENCODER_MIN_BITRATE, ENCODER_MAX_BITRATE, + 100000, ENCODER_DEF_BITRATE); + case V4L2_CID_MPEG_STREAM_TYPE: + return v4l2_ctrl_query_fill(c, + V4L2_MPEG_STREAM_TYPE_MPEG2_PS, + V4L2_MPEG_STREAM_TYPE_MPEG2_TS, + 1, V4L2_MPEG_STREAM_TYPE_MPEG2_PS); + case V4L2_CID_MPEG_VIDEO_ASPECT: + return v4l2_ctrl_query_fill(c, + V4L2_MPEG_VIDEO_ASPECT_1x1, + V4L2_MPEG_VIDEO_ASPECT_221x100, + 1, V4L2_MPEG_VIDEO_ASPECT_4x3); + case V4L2_CID_MPEG_VIDEO_GOP_SIZE: + return v4l2_ctrl_query_fill(c, 1, 255, 1, 15); + case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: + return v4l2_ctrl_query_fill(c, + V4L2_MPEG_VIDEO_BITRATE_MODE_VBR, + V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, + 1, V4L2_MPEG_VIDEO_BITRATE_MODE_VBR); + case V4L2_CID_MPEG_VIDEO_B_FRAMES: + return v4l2_ctrl_query_fill(c, + 1, 3, 1, 1); + case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: + return v4l2_ctrl_query_fill(c, + ENCODER_MIN_BITRATE, ENCODER_MAX_BITRATE, + 100000, ENCODER_DEF_BITRATE); + default: + return -EINVAL; + } +} + +static int vidioc_queryctrl(struct file *file, void *priv, + struct v4l2_queryctrl *c) +{ + struct saa7164_encoder_fh *fh = priv; + struct saa7164_port *port = fh->port; + int i, next; + u32 id = c->id; + + memset(c, 0, sizeof(*c)); + + next = !!(id & V4L2_CTRL_FLAG_NEXT_CTRL); + c->id = id & ~V4L2_CTRL_FLAG_NEXT_CTRL; + + for (i = 0; i < ARRAY_SIZE(saa7164_v4l2_ctrls); i++) { + if (next) { + if (c->id < saa7164_v4l2_ctrls[i]) + c->id = saa7164_v4l2_ctrls[i]; + else + continue; + } + + if (c->id == saa7164_v4l2_ctrls[i]) + return fill_queryctrl(&port->encoder_params, c); + + if (c->id < saa7164_v4l2_ctrls[i]) + break; + } + + return -EINVAL; +} + +static int saa7164_encoder_stop_port(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + int ret; + + ret = saa7164_api_transition_port(port, SAA_DMASTATE_STOP); + if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() stop transition failed, ret = 0x%x\n", + __func__, ret); + ret = -EIO; + } else { + dprintk(DBGLVL_ENC, "%s() Stopped\n", __func__); + ret = 0; + } + + return ret; +} + +static int saa7164_encoder_acquire_port(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + int ret; + + ret = saa7164_api_transition_port(port, SAA_DMASTATE_ACQUIRE); + if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() acquire transition failed, ret = 0x%x\n", + __func__, ret); + ret = -EIO; + } else { + dprintk(DBGLVL_ENC, "%s() Acquired\n", __func__); + ret = 0; + } + + return ret; +} + +static int saa7164_encoder_pause_port(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + int ret; + + ret = saa7164_api_transition_port(port, SAA_DMASTATE_PAUSE); + if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() pause transition failed, ret = 0x%x\n", + __func__, ret); + ret = -EIO; + } else { + dprintk(DBGLVL_ENC, "%s() Paused\n", __func__); + ret = 0; + } + + return ret; +} + +/* Firmware is very windows centric, meaning you have to transition + * the part through AVStream / KS Windows stages, forwards or backwards. + * States are: stopped, acquired (h/w), paused, started. + * We have to leave here will all of the soft buffers on the free list, + * else the cfg_post() func won't have soft buffers to correctly configure. + */ +static int saa7164_encoder_stop_streaming(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + struct saa7164_buffer *buf; + struct saa7164_user_buffer *ubuf; + struct list_head *c, *n; + int ret; + + dprintk(DBGLVL_ENC, "%s(port=%d)\n", __func__, port->nr); + + ret = saa7164_encoder_pause_port(port); + ret = saa7164_encoder_acquire_port(port); + ret = saa7164_encoder_stop_port(port); + + dprintk(DBGLVL_ENC, "%s(port=%d) Hardware stopped\n", __func__, + port->nr); + + /* Reset the state of any allocated buffer resources */ + mutex_lock(&port->dmaqueue_lock); + + /* Reset the hard and soft buffer state */ + list_for_each_safe(c, n, &port->dmaqueue.list) { + buf = list_entry(c, struct saa7164_buffer, list); + buf->flags = SAA7164_BUFFER_FREE; + buf->pos = 0; + } + + list_for_each_safe(c, n, &port->list_buf_used.list) { + ubuf = list_entry(c, struct saa7164_user_buffer, list); + ubuf->pos = 0; + list_move_tail(&ubuf->list, &port->list_buf_free.list); + } + + mutex_unlock(&port->dmaqueue_lock); + + /* Free any allocated resources */ + saa7164_encoder_buffers_dealloc(port); + + dprintk(DBGLVL_ENC, "%s(port=%d) Released\n", __func__, port->nr); + + return ret; +} + +static int saa7164_encoder_start_streaming(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + int result, ret = 0; + + dprintk(DBGLVL_ENC, "%s(port=%d)\n", __func__, port->nr); + + port->done_first_interrupt = 0; + + /* allocate all of the PCIe DMA buffer resources on the fly, + * allowing switching between TS and PS payloads without + * requiring a complete driver reload. + */ + saa7164_encoder_buffers_alloc(port); + + /* Configure the encoder with any cache values */ + saa7164_api_set_encoder(port); + saa7164_api_get_encoder(port); + + /* Place the empty buffers on the hardware */ + saa7164_buffer_cfg_port(port); + + /* Acquire the hardware */ + result = saa7164_api_transition_port(port, SAA_DMASTATE_ACQUIRE); + if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() acquire transition failed, res = 0x%x\n", + __func__, result); + + /* Stop the hardware, regardless */ + result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP); + if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() acquire/forced stop transition " + "failed, res = 0x%x\n", __func__, result); + } + ret = -EIO; + goto out; + } else + dprintk(DBGLVL_ENC, "%s() Acquired\n", __func__); + + /* Pause the hardware */ + result = saa7164_api_transition_port(port, SAA_DMASTATE_PAUSE); + if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() pause transition failed, res = 0x%x\n", + __func__, result); + + /* Stop the hardware, regardless */ + result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP); + if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() pause/forced stop transition " + "failed, res = 0x%x\n", __func__, result); + } + + ret = -EIO; + goto out; + } else + dprintk(DBGLVL_ENC, "%s() Paused\n", __func__); + + /* Start the hardware */ + result = saa7164_api_transition_port(port, SAA_DMASTATE_RUN); + if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() run transition failed, result = 0x%x\n", + __func__, result); + + /* Stop the hardware, regardless */ + result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP); + if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() run/forced stop transition " + "failed, res = 0x%x\n", __func__, result); + } + + ret = -EIO; + } else + dprintk(DBGLVL_ENC, "%s() Running\n", __func__); + +out: + return ret; +} + +static int fops_open(struct file *file) +{ + struct saa7164_dev *dev; + struct saa7164_port *port; + struct saa7164_encoder_fh *fh; + + port = (struct saa7164_port *)video_get_drvdata(video_devdata(file)); + if (!port) + return -ENODEV; + + dev = port->dev; + + dprintk(DBGLVL_ENC, "%s()\n", __func__); + + /* allocate + initialize per filehandle data */ + fh = kzalloc(sizeof(*fh), GFP_KERNEL); + if (NULL == fh) + return -ENOMEM; + + file->private_data = fh; + fh->port = port; + + return 0; +} + +static int fops_release(struct file *file) +{ + struct saa7164_encoder_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_dev *dev = port->dev; + + dprintk(DBGLVL_ENC, "%s()\n", __func__); + + /* Shut device down on last close */ + if (atomic_cmpxchg(&fh->v4l_reading, 1, 0) == 1) { + if (atomic_dec_return(&port->v4l_reader_count) == 0) { + /* stop mpeg capture then cancel buffers */ + saa7164_encoder_stop_streaming(port); + } + } + + file->private_data = NULL; + kfree(fh); + + return 0; +} + +static struct +saa7164_user_buffer *saa7164_enc_next_buf(struct saa7164_port *port) +{ + struct saa7164_user_buffer *ubuf = NULL; + struct saa7164_dev *dev = port->dev; + u32 crc; + + mutex_lock(&port->dmaqueue_lock); + if (!list_empty(&port->list_buf_used.list)) { + ubuf = list_first_entry(&port->list_buf_used.list, + struct saa7164_user_buffer, list); + + if (crc_checking) { + crc = crc32(0, ubuf->data, ubuf->actual_size); + if (crc != ubuf->crc) { + printk(KERN_ERR + "%s() ubuf %p crc became invalid, was 0x%x became 0x%x\n", + __func__, + ubuf, ubuf->crc, crc); + } + } + + } + mutex_unlock(&port->dmaqueue_lock); + + dprintk(DBGLVL_ENC, "%s() returns %p\n", __func__, ubuf); + + return ubuf; +} + +static ssize_t fops_read(struct file *file, char __user *buffer, + size_t count, loff_t *pos) +{ + struct saa7164_encoder_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_user_buffer *ubuf = NULL; + struct saa7164_dev *dev = port->dev; + int ret = 0; + int rem, cnt; + u8 *p; + + port->last_read_msecs_diff = port->last_read_msecs; + port->last_read_msecs = jiffies_to_msecs(jiffies); + port->last_read_msecs_diff = port->last_read_msecs - + port->last_read_msecs_diff; + + saa7164_histogram_update(&port->read_interval, + port->last_read_msecs_diff); + + if (*pos) { + printk(KERN_ERR "%s() ESPIPE\n", __func__); + return -ESPIPE; + } + + if (atomic_cmpxchg(&fh->v4l_reading, 0, 1) == 0) { + if (atomic_inc_return(&port->v4l_reader_count) == 1) { + + if (saa7164_encoder_initialize(port) < 0) { + printk(KERN_ERR "%s() EINVAL\n", __func__); + return -EINVAL; + } + + saa7164_encoder_start_streaming(port); + msleep(200); + } + } + + /* blocking wait for buffer */ + if ((file->f_flags & O_NONBLOCK) == 0) { + if (wait_event_interruptible(port->wait_read, + saa7164_enc_next_buf(port))) { + printk(KERN_ERR "%s() ERESTARTSYS\n", __func__); + return -ERESTARTSYS; + } + } + + /* Pull the first buffer from the used list */ + ubuf = saa7164_enc_next_buf(port); + + while ((count > 0) && ubuf) { + + /* set remaining bytes to copy */ + rem = ubuf->actual_size - ubuf->pos; + cnt = rem > count ? count : rem; + + p = ubuf->data + ubuf->pos; + + dprintk(DBGLVL_ENC, + "%s() count=%d cnt=%d rem=%d buf=%p buf->pos=%d\n", + __func__, (int)count, cnt, rem, ubuf, ubuf->pos); + + if (copy_to_user(buffer, p, cnt)) { + printk(KERN_ERR "%s() copy_to_user failed\n", __func__); + if (!ret) { + printk(KERN_ERR "%s() EFAULT\n", __func__); + ret = -EFAULT; + } + goto err; + } + + ubuf->pos += cnt; + count -= cnt; + buffer += cnt; + ret += cnt; + + if (ubuf->pos > ubuf->actual_size) + printk(KERN_ERR "read() pos > actual, huh?\n"); + + if (ubuf->pos == ubuf->actual_size) { + + /* finished with current buffer, take next buffer */ + + /* Requeue the buffer on the free list */ + ubuf->pos = 0; + + mutex_lock(&port->dmaqueue_lock); + list_move_tail(&ubuf->list, &port->list_buf_free.list); + mutex_unlock(&port->dmaqueue_lock); + + /* Dequeue next */ + if ((file->f_flags & O_NONBLOCK) == 0) { + if (wait_event_interruptible(port->wait_read, + saa7164_enc_next_buf(port))) { + break; + } + } + ubuf = saa7164_enc_next_buf(port); + } + } +err: + if (!ret && !ubuf) + ret = -EAGAIN; + + return ret; +} + +static unsigned int fops_poll(struct file *file, poll_table *wait) +{ + struct saa7164_encoder_fh *fh = + (struct saa7164_encoder_fh *)file->private_data; + struct saa7164_port *port = fh->port; + unsigned int mask = 0; + + port->last_poll_msecs_diff = port->last_poll_msecs; + port->last_poll_msecs = jiffies_to_msecs(jiffies); + port->last_poll_msecs_diff = port->last_poll_msecs - + port->last_poll_msecs_diff; + + saa7164_histogram_update(&port->poll_interval, + port->last_poll_msecs_diff); + + if (!video_is_registered(port->v4l_device)) + return -EIO; + + if (atomic_cmpxchg(&fh->v4l_reading, 0, 1) == 0) { + if (atomic_inc_return(&port->v4l_reader_count) == 1) { + if (saa7164_encoder_initialize(port) < 0) + return -EINVAL; + saa7164_encoder_start_streaming(port); + msleep(200); + } + } + + /* blocking wait for buffer */ + if ((file->f_flags & O_NONBLOCK) == 0) { + if (wait_event_interruptible(port->wait_read, + saa7164_enc_next_buf(port))) { + return -ERESTARTSYS; + } + } + + /* Pull the first buffer from the used list */ + if (!list_empty(&port->list_buf_used.list)) + mask |= POLLIN | POLLRDNORM; + + return mask; +} + +static const struct v4l2_file_operations mpeg_fops = { + .owner = THIS_MODULE, + .open = fops_open, + .release = fops_release, + .read = fops_read, + .poll = fops_poll, + .unlocked_ioctl = video_ioctl2, +}; + +static const struct v4l2_ioctl_ops mpeg_ioctl_ops = { + .vidioc_s_std = vidioc_s_std, + .vidioc_g_std = vidioc_g_std, + .vidioc_enum_input = vidioc_enum_input, + .vidioc_g_input = vidioc_g_input, + .vidioc_s_input = vidioc_s_input, + .vidioc_g_tuner = vidioc_g_tuner, + .vidioc_s_tuner = vidioc_s_tuner, + .vidioc_g_frequency = vidioc_g_frequency, + .vidioc_s_frequency = vidioc_s_frequency, + .vidioc_s_ctrl = vidioc_s_ctrl, + .vidioc_g_ctrl = vidioc_g_ctrl, + .vidioc_querycap = vidioc_querycap, + .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, + .vidioc_g_ext_ctrls = vidioc_g_ext_ctrls, + .vidioc_s_ext_ctrls = vidioc_s_ext_ctrls, + .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls, + .vidioc_queryctrl = vidioc_queryctrl, +}; + +static struct video_device saa7164_mpeg_template = { + .name = "saa7164", + .fops = &mpeg_fops, + .ioctl_ops = &mpeg_ioctl_ops, + .minor = -1, + .tvnorms = SAA7164_NORMS, +}; + +static struct video_device *saa7164_encoder_alloc( + struct saa7164_port *port, + struct pci_dev *pci, + struct video_device *template, + char *type) +{ + struct video_device *vfd; + struct saa7164_dev *dev = port->dev; + + dprintk(DBGLVL_ENC, "%s()\n", __func__); + + vfd = video_device_alloc(); + if (NULL == vfd) + return NULL; + + *vfd = *template; + snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name, + type, saa7164_boards[dev->board].name); + + vfd->v4l2_dev = &dev->v4l2_dev; + vfd->release = video_device_release; + return vfd; +} + +int saa7164_encoder_register(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + int result = -ENODEV; + + dprintk(DBGLVL_ENC, "%s()\n", __func__); + + if (port->type != SAA7164_MPEG_ENCODER) + BUG(); + + /* Sanity check that the PCI configuration space is active */ + if (port->hwcfg.BARLocation == 0) { + printk(KERN_ERR "%s() failed " + "(errno = %d), NO PCI configuration\n", + __func__, result); + result = -ENOMEM; + goto failed; + } + + /* Establish encoder defaults here */ + /* Set default TV standard */ + port->encodernorm = saa7164_tvnorms[0]; + port->width = 720; + port->mux_input = 1; /* Composite */ + port->video_format = EU_VIDEO_FORMAT_MPEG_2; + port->audio_format = 0; + port->video_resolution = 0; + port->ctl_brightness = 127; + port->ctl_contrast = 66; + port->ctl_hue = 128; + port->ctl_saturation = 62; + port->ctl_sharpness = 8; + port->encoder_params.bitrate = ENCODER_DEF_BITRATE; + port->encoder_params.bitrate_peak = ENCODER_DEF_BITRATE; + port->encoder_params.bitrate_mode = V4L2_MPEG_VIDEO_BITRATE_MODE_CBR; + port->encoder_params.stream_type = V4L2_MPEG_STREAM_TYPE_MPEG2_PS; + port->encoder_params.ctl_mute = 0; + port->encoder_params.ctl_aspect = V4L2_MPEG_VIDEO_ASPECT_4x3; + port->encoder_params.refdist = 1; + port->encoder_params.gop_size = SAA7164_ENCODER_DEFAULT_GOP_SIZE; + port->std = V4L2_STD_NTSC_M; + + if (port->encodernorm.id & V4L2_STD_525_60) + port->height = 480; + else + port->height = 576; + + /* Allocate and register the video device node */ + port->v4l_device = saa7164_encoder_alloc(port, + dev->pci, &saa7164_mpeg_template, "mpeg"); + + if (!port->v4l_device) { + printk(KERN_INFO "%s: can't allocate mpeg device\n", + dev->name); + result = -ENOMEM; + goto failed; + } + + video_set_drvdata(port->v4l_device, port); + result = video_register_device(port->v4l_device, + VFL_TYPE_GRABBER, -1); + if (result < 0) { + printk(KERN_INFO "%s: can't register mpeg device\n", + dev->name); + /* TODO: We're going to leak here if we don't dealloc + The buffers above. The unreg function can't deal wit it. + */ + goto failed; + } + + printk(KERN_INFO "%s: registered device video%d [mpeg]\n", + dev->name, port->v4l_device->num); + + /* Configure the hardware defaults */ + saa7164_api_set_videomux(port); + saa7164_api_set_usercontrol(port, PU_BRIGHTNESS_CONTROL); + saa7164_api_set_usercontrol(port, PU_CONTRAST_CONTROL); + saa7164_api_set_usercontrol(port, PU_HUE_CONTROL); + saa7164_api_set_usercontrol(port, PU_SATURATION_CONTROL); + saa7164_api_set_usercontrol(port, PU_SHARPNESS_CONTROL); + saa7164_api_audio_mute(port, 0); + saa7164_api_set_audio_volume(port, 20); + saa7164_api_set_aspect_ratio(port); + + /* Disable audio standard detection, it's buggy */ + saa7164_api_set_audio_detection(port, 0); + + saa7164_api_set_encoder(port); + saa7164_api_get_encoder(port); + + result = 0; +failed: + return result; +} + +void saa7164_encoder_unregister(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + + dprintk(DBGLVL_ENC, "%s(port=%d)\n", __func__, port->nr); + + if (port->type != SAA7164_MPEG_ENCODER) + BUG(); + + if (port->v4l_device) { + if (port->v4l_device->minor != -1) + video_unregister_device(port->v4l_device); + else + video_device_release(port->v4l_device); + + port->v4l_device = NULL; + } + + dprintk(DBGLVL_ENC, "%s(port=%d) done\n", __func__, port->nr); +} + diff --git a/kernel/drivers/media/pci/saa7164/saa7164-fw.c b/kernel/drivers/media/pci/saa7164/saa7164-fw.c new file mode 100644 index 000000000..add06ab51 --- /dev/null +++ b/kernel/drivers/media/pci/saa7164/saa7164-fw.c @@ -0,0 +1,613 @@ +/* + * Driver for the NXP SAA7164 PCIe bridge + * + * Copyright (c) 2010 Steven Toth <stoth@kernellabs.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/firmware.h> +#include <linux/slab.h> + +#include "saa7164.h" + +#define SAA7164_REV2_FIRMWARE "NXP7164-2010-03-10.1.fw" +#define SAA7164_REV2_FIRMWARE_SIZE 4019072 + +#define SAA7164_REV3_FIRMWARE "NXP7164-2010-03-10.1.fw" +#define SAA7164_REV3_FIRMWARE_SIZE 4019072 + +struct fw_header { + u32 firmwaresize; + u32 bslsize; + u32 reserved; + u32 version; +}; + +static int saa7164_dl_wait_ack(struct saa7164_dev *dev, u32 reg) +{ + u32 timeout = SAA_DEVICE_TIMEOUT; + while ((saa7164_readl(reg) & 0x01) == 0) { + timeout -= 10; + if (timeout == 0) { + printk(KERN_ERR "%s() timeout (no d/l ack)\n", + __func__); + return -EBUSY; + } + msleep(100); + } + + return 0; +} + +static int saa7164_dl_wait_clr(struct saa7164_dev *dev, u32 reg) +{ + u32 timeout = SAA_DEVICE_TIMEOUT; + while (saa7164_readl(reg) & 0x01) { + timeout -= 10; + if (timeout == 0) { + printk(KERN_ERR "%s() timeout (no d/l clr)\n", + __func__); + return -EBUSY; + } + msleep(100); + } + + return 0; +} + +/* TODO: move dlflags into dev-> and change to write/readl/b */ +/* TODO: Excessive levels of debug */ +static int saa7164_downloadimage(struct saa7164_dev *dev, u8 *src, u32 srcsize, + u32 dlflags, u8 __iomem *dst, u32 dstsize) +{ + u32 reg, timeout, offset; + u8 *srcbuf = NULL; + int ret; + + u32 dlflag = dlflags; + u32 dlflag_ack = dlflag + 4; + u32 drflag = dlflag_ack + 4; + u32 drflag_ack = drflag + 4; + u32 bleflag = drflag_ack + 4; + + dprintk(DBGLVL_FW, + "%s(image=%p, size=%d, flags=0x%x, dst=%p, dstsize=0x%x)\n", + __func__, src, srcsize, dlflags, dst, dstsize); + + if ((src == NULL) || (dst == NULL)) { + ret = -EIO; + goto out; + } + + srcbuf = kzalloc(4 * 1048576, GFP_KERNEL); + if (NULL == srcbuf) { + ret = -ENOMEM; + goto out; + } + + if (srcsize > (4*1048576)) { + ret = -ENOMEM; + goto out; + } + + memcpy(srcbuf, src, srcsize); + + dprintk(DBGLVL_FW, "%s() dlflag = 0x%x\n", __func__, dlflag); + dprintk(DBGLVL_FW, "%s() dlflag_ack = 0x%x\n", __func__, dlflag_ack); + dprintk(DBGLVL_FW, "%s() drflag = 0x%x\n", __func__, drflag); + dprintk(DBGLVL_FW, "%s() drflag_ack = 0x%x\n", __func__, drflag_ack); + dprintk(DBGLVL_FW, "%s() bleflag = 0x%x\n", __func__, bleflag); + + reg = saa7164_readl(dlflag); + dprintk(DBGLVL_FW, "%s() dlflag (0x%x)= 0x%x\n", __func__, dlflag, reg); + if (reg == 1) + dprintk(DBGLVL_FW, + "%s() Download flag already set, please reboot\n", + __func__); + + /* Indicate download start */ + saa7164_writel(dlflag, 1); + ret = saa7164_dl_wait_ack(dev, dlflag_ack); + if (ret < 0) + goto out; + + /* Ack download start, then wait for wait */ + saa7164_writel(dlflag, 0); + ret = saa7164_dl_wait_clr(dev, dlflag_ack); + if (ret < 0) + goto out; + + /* Deal with the raw firmware, in the appropriate chunk size */ + for (offset = 0; srcsize > dstsize; + srcsize -= dstsize, offset += dstsize) { + + dprintk(DBGLVL_FW, "%s() memcpy %d\n", __func__, dstsize); + memcpy_toio(dst, srcbuf + offset, dstsize); + + /* Flag the data as ready */ + saa7164_writel(drflag, 1); + ret = saa7164_dl_wait_ack(dev, drflag_ack); + if (ret < 0) + goto out; + + /* Wait for indication data was received */ + saa7164_writel(drflag, 0); + ret = saa7164_dl_wait_clr(dev, drflag_ack); + if (ret < 0) + goto out; + + } + + dprintk(DBGLVL_FW, "%s() memcpy(l) %d\n", __func__, dstsize); + /* Write last block to the device */ + memcpy_toio(dst, srcbuf+offset, srcsize); + + /* Flag the data as ready */ + saa7164_writel(drflag, 1); + ret = saa7164_dl_wait_ack(dev, drflag_ack); + if (ret < 0) + goto out; + + saa7164_writel(drflag, 0); + timeout = 0; + while (saa7164_readl(bleflag) != SAA_DEVICE_IMAGE_BOOTING) { + if (saa7164_readl(bleflag) & SAA_DEVICE_IMAGE_CORRUPT) { + printk(KERN_ERR "%s() image corrupt\n", __func__); + ret = -EBUSY; + goto out; + } + + if (saa7164_readl(bleflag) & SAA_DEVICE_MEMORY_CORRUPT) { + printk(KERN_ERR "%s() device memory corrupt\n", + __func__); + ret = -EBUSY; + goto out; + } + + msleep(10); /* Checkpatch throws a < 20ms warning */ + if (timeout++ > 60) + break; + } + + printk(KERN_INFO "%s() Image downloaded, booting...\n", __func__); + + ret = saa7164_dl_wait_clr(dev, drflag_ack); + if (ret < 0) + goto out; + + printk(KERN_INFO "%s() Image booted successfully.\n", __func__); + ret = 0; + +out: + kfree(srcbuf); + return ret; +} + +/* TODO: Excessive debug */ +/* Load the firmware. Optionally it can be in ROM or newer versions + * can be on disk, saving the expense of the ROM hardware. */ +int saa7164_downloadfirmware(struct saa7164_dev *dev) +{ + /* u32 second_timeout = 60 * SAA_DEVICE_TIMEOUT; */ + u32 tmp, filesize, version, err_flags, first_timeout, fwlength; + u32 second_timeout, updatebootloader = 1, bootloadersize = 0; + const struct firmware *fw = NULL; + struct fw_header *hdr, *boothdr = NULL, *fwhdr; + u32 bootloaderversion = 0, fwloadersize; + u8 *bootloaderoffset = NULL, *fwloaderoffset; + char *fwname; + int ret; + + dprintk(DBGLVL_FW, "%s()\n", __func__); + + if (saa7164_boards[dev->board].chiprev == SAA7164_CHIP_REV2) { + fwname = SAA7164_REV2_FIRMWARE; + fwlength = SAA7164_REV2_FIRMWARE_SIZE; + } else { + fwname = SAA7164_REV3_FIRMWARE; + fwlength = SAA7164_REV3_FIRMWARE_SIZE; + } + + version = saa7164_getcurrentfirmwareversion(dev); + + if (version == 0x00) { + + second_timeout = 100; + first_timeout = 100; + err_flags = saa7164_readl(SAA_BOOTLOADERERROR_FLAGS); + dprintk(DBGLVL_FW, "%s() err_flags = %x\n", + __func__, err_flags); + + while (err_flags != SAA_DEVICE_IMAGE_BOOTING) { + dprintk(DBGLVL_FW, "%s() err_flags = %x\n", + __func__, err_flags); + msleep(10); /* Checkpatch throws a < 20ms warning */ + + if (err_flags & SAA_DEVICE_IMAGE_CORRUPT) { + printk(KERN_ERR "%s() firmware corrupt\n", + __func__); + break; + } + if (err_flags & SAA_DEVICE_MEMORY_CORRUPT) { + printk(KERN_ERR "%s() device memory corrupt\n", + __func__); + break; + } + if (err_flags & SAA_DEVICE_NO_IMAGE) { + printk(KERN_ERR "%s() no first image\n", + __func__); + break; + } + if (err_flags & SAA_DEVICE_IMAGE_SEARCHING) { + first_timeout -= 10; + if (first_timeout == 0) { + printk(KERN_ERR + "%s() no first image\n", + __func__); + break; + } + } else if (err_flags & SAA_DEVICE_IMAGE_LOADING) { + second_timeout -= 10; + if (second_timeout == 0) { + printk(KERN_ERR + "%s() FW load time exceeded\n", + __func__); + break; + } + } else { + second_timeout -= 10; + if (second_timeout == 0) { + printk(KERN_ERR + "%s() Unknown bootloader flags 0x%x\n", + __func__, err_flags); + break; + } + } + + err_flags = saa7164_readl(SAA_BOOTLOADERERROR_FLAGS); + } /* While != Booting */ + + if (err_flags == SAA_DEVICE_IMAGE_BOOTING) { + dprintk(DBGLVL_FW, "%s() Loader 1 has loaded.\n", + __func__); + first_timeout = SAA_DEVICE_TIMEOUT; + second_timeout = 60 * SAA_DEVICE_TIMEOUT; + second_timeout = 100; + + err_flags = saa7164_readl(SAA_SECONDSTAGEERROR_FLAGS); + dprintk(DBGLVL_FW, "%s() err_flags2 = %x\n", + __func__, err_flags); + while (err_flags != SAA_DEVICE_IMAGE_BOOTING) { + dprintk(DBGLVL_FW, "%s() err_flags2 = %x\n", + __func__, err_flags); + msleep(10); /* Checkpatch throws a < 20ms warning */ + + if (err_flags & SAA_DEVICE_IMAGE_CORRUPT) { + printk(KERN_ERR + "%s() firmware corrupt\n", + __func__); + break; + } + if (err_flags & SAA_DEVICE_MEMORY_CORRUPT) { + printk(KERN_ERR + "%s() device memory corrupt\n", + __func__); + break; + } + if (err_flags & SAA_DEVICE_NO_IMAGE) { + printk(KERN_ERR "%s() no first image\n", + __func__); + break; + } + if (err_flags & SAA_DEVICE_IMAGE_SEARCHING) { + first_timeout -= 10; + if (first_timeout == 0) { + printk(KERN_ERR + "%s() no second image\n", + __func__); + break; + } + } else if (err_flags & + SAA_DEVICE_IMAGE_LOADING) { + second_timeout -= 10; + if (second_timeout == 0) { + printk(KERN_ERR + "%s() FW load time exceeded\n", + __func__); + break; + } + } else { + second_timeout -= 10; + if (second_timeout == 0) { + printk(KERN_ERR + "%s() Unknown bootloader flags 0x%x\n", + __func__, err_flags); + break; + } + } + + err_flags = + saa7164_readl(SAA_SECONDSTAGEERROR_FLAGS); + } /* err_flags != SAA_DEVICE_IMAGE_BOOTING */ + + dprintk(DBGLVL_FW, "%s() Loader flags 1:0x%x 2:0x%x.\n", + __func__, + saa7164_readl(SAA_BOOTLOADERERROR_FLAGS), + saa7164_readl(SAA_SECONDSTAGEERROR_FLAGS)); + + } /* err_flags == SAA_DEVICE_IMAGE_BOOTING */ + + /* It's possible for both firmwares to have booted, + * but that doesn't mean they've finished booting yet. + */ + if ((saa7164_readl(SAA_BOOTLOADERERROR_FLAGS) == + SAA_DEVICE_IMAGE_BOOTING) && + (saa7164_readl(SAA_SECONDSTAGEERROR_FLAGS) == + SAA_DEVICE_IMAGE_BOOTING)) { + + + dprintk(DBGLVL_FW, "%s() Loader 2 has loaded.\n", + __func__); + + first_timeout = SAA_DEVICE_TIMEOUT; + while (first_timeout) { + msleep(10); /* Checkpatch throws a < 20ms warning */ + + version = + saa7164_getcurrentfirmwareversion(dev); + if (version) { + dprintk(DBGLVL_FW, + "%s() All f/w loaded successfully\n", + __func__); + break; + } else { + first_timeout -= 10; + if (first_timeout == 0) { + printk(KERN_ERR + "%s() FW did not boot\n", + __func__); + break; + } + } + } + } + version = saa7164_getcurrentfirmwareversion(dev); + } /* version == 0 */ + + /* Has the firmware really booted? */ + if ((saa7164_readl(SAA_BOOTLOADERERROR_FLAGS) == + SAA_DEVICE_IMAGE_BOOTING) && + (saa7164_readl(SAA_SECONDSTAGEERROR_FLAGS) == + SAA_DEVICE_IMAGE_BOOTING) && (version == 0)) { + + printk(KERN_ERR + "%s() The firmware hung, probably bad firmware\n", + __func__); + + /* Tell the second stage loader we have a deadlock */ + saa7164_writel(SAA_DEVICE_DEADLOCK_DETECTED_OFFSET, + SAA_DEVICE_DEADLOCK_DETECTED); + + saa7164_getfirmwarestatus(dev); + + return -ENOMEM; + } + + dprintk(DBGLVL_FW, "Device has Firmware Version %d.%d.%d.%d\n", + (version & 0x0000fc00) >> 10, + (version & 0x000003e0) >> 5, + (version & 0x0000001f), + (version & 0xffff0000) >> 16); + + /* Load the firmwware from the disk if required */ + if (version == 0) { + + printk(KERN_INFO "%s() Waiting for firmware upload (%s)\n", + __func__, fwname); + + ret = request_firmware(&fw, fwname, &dev->pci->dev); + if (ret) { + printk(KERN_ERR "%s() Upload failed. " + "(file not found?)\n", __func__); + return -ENOMEM; + } + + printk(KERN_INFO "%s() firmware read %Zu bytes.\n", + __func__, fw->size); + + if (fw->size != fwlength) { + printk(KERN_ERR "xc5000: firmware incorrect size\n"); + ret = -ENOMEM; + goto out; + } + + printk(KERN_INFO "%s() firmware loaded.\n", __func__); + + hdr = (struct fw_header *)fw->data; + printk(KERN_INFO "Firmware file header part 1:\n"); + printk(KERN_INFO " .FirmwareSize = 0x%x\n", hdr->firmwaresize); + printk(KERN_INFO " .BSLSize = 0x%x\n", hdr->bslsize); + printk(KERN_INFO " .Reserved = 0x%x\n", hdr->reserved); + printk(KERN_INFO " .Version = 0x%x\n", hdr->version); + + /* Retrieve bootloader if reqd */ + if ((hdr->firmwaresize == 0) && (hdr->bslsize == 0)) + /* Second bootloader in the firmware file */ + filesize = hdr->reserved * 16; + else + filesize = (hdr->firmwaresize + hdr->bslsize) * + 16 + sizeof(struct fw_header); + + printk(KERN_INFO "%s() SecBootLoader.FileSize = %d\n", + __func__, filesize); + + /* Get bootloader (if reqd) and firmware header */ + if ((hdr->firmwaresize == 0) && (hdr->bslsize == 0)) { + /* Second boot loader is required */ + + /* Get the loader header */ + boothdr = (struct fw_header *)(fw->data + + sizeof(struct fw_header)); + + bootloaderversion = + saa7164_readl(SAA_DEVICE_2ND_VERSION); + dprintk(DBGLVL_FW, "Onboard BootLoader:\n"); + dprintk(DBGLVL_FW, "->Flag 0x%x\n", + saa7164_readl(SAA_BOOTLOADERERROR_FLAGS)); + dprintk(DBGLVL_FW, "->Ack 0x%x\n", + saa7164_readl(SAA_DATAREADY_FLAG_ACK)); + dprintk(DBGLVL_FW, "->FW Version 0x%x\n", version); + dprintk(DBGLVL_FW, "->Loader Version 0x%x\n", + bootloaderversion); + + if ((saa7164_readl(SAA_BOOTLOADERERROR_FLAGS) == + 0x03) && (saa7164_readl(SAA_DATAREADY_FLAG_ACK) + == 0x00) && (version == 0x00)) { + + dprintk(DBGLVL_FW, "BootLoader version in " + "rom %d.%d.%d.%d\n", + (bootloaderversion & 0x0000fc00) >> 10, + (bootloaderversion & 0x000003e0) >> 5, + (bootloaderversion & 0x0000001f), + (bootloaderversion & 0xffff0000) >> 16 + ); + dprintk(DBGLVL_FW, "BootLoader version " + "in file %d.%d.%d.%d\n", + (boothdr->version & 0x0000fc00) >> 10, + (boothdr->version & 0x000003e0) >> 5, + (boothdr->version & 0x0000001f), + (boothdr->version & 0xffff0000) >> 16 + ); + + if (bootloaderversion == boothdr->version) + updatebootloader = 0; + } + + /* Calculate offset to firmware header */ + tmp = (boothdr->firmwaresize + boothdr->bslsize) * 16 + + (sizeof(struct fw_header) + + sizeof(struct fw_header)); + + fwhdr = (struct fw_header *)(fw->data+tmp); + } else { + /* No second boot loader */ + fwhdr = hdr; + } + + dprintk(DBGLVL_FW, "Firmware version in file %d.%d.%d.%d\n", + (fwhdr->version & 0x0000fc00) >> 10, + (fwhdr->version & 0x000003e0) >> 5, + (fwhdr->version & 0x0000001f), + (fwhdr->version & 0xffff0000) >> 16 + ); + + if (version == fwhdr->version) { + /* No download, firmware already on board */ + ret = 0; + goto out; + } + + if ((hdr->firmwaresize == 0) && (hdr->bslsize == 0)) { + if (updatebootloader) { + /* Get ready to upload the bootloader */ + bootloadersize = (boothdr->firmwaresize + + boothdr->bslsize) * 16 + + sizeof(struct fw_header); + + bootloaderoffset = (u8 *)(fw->data + + sizeof(struct fw_header)); + + dprintk(DBGLVL_FW, "bootloader d/l starts.\n"); + printk(KERN_INFO "%s() FirmwareSize = 0x%x\n", + __func__, boothdr->firmwaresize); + printk(KERN_INFO "%s() BSLSize = 0x%x\n", + __func__, boothdr->bslsize); + printk(KERN_INFO "%s() Reserved = 0x%x\n", + __func__, boothdr->reserved); + printk(KERN_INFO "%s() Version = 0x%x\n", + __func__, boothdr->version); + ret = saa7164_downloadimage( + dev, + bootloaderoffset, + bootloadersize, + SAA_DOWNLOAD_FLAGS, + dev->bmmio + SAA_DEVICE_DOWNLOAD_OFFSET, + SAA_DEVICE_BUFFERBLOCKSIZE); + if (ret < 0) { + printk(KERN_ERR + "bootloader d/l has failed\n"); + goto out; + } + dprintk(DBGLVL_FW, + "bootloader download complete.\n"); + + } + + printk(KERN_ERR "starting firmware download(2)\n"); + bootloadersize = (boothdr->firmwaresize + + boothdr->bslsize) * 16 + + sizeof(struct fw_header); + + bootloaderoffset = + (u8 *)(fw->data + sizeof(struct fw_header)); + + fwloaderoffset = bootloaderoffset + bootloadersize; + + /* TODO: fix this bounds overrun here with old f/ws */ + fwloadersize = (fwhdr->firmwaresize + fwhdr->bslsize) * + 16 + sizeof(struct fw_header); + + ret = saa7164_downloadimage( + dev, + fwloaderoffset, + fwloadersize, + SAA_DEVICE_2ND_DOWNLOADFLAG_OFFSET, + dev->bmmio + SAA_DEVICE_2ND_DOWNLOAD_OFFSET, + SAA_DEVICE_2ND_BUFFERBLOCKSIZE); + if (ret < 0) { + printk(KERN_ERR "firmware download failed\n"); + goto out; + } + printk(KERN_ERR "firmware download complete.\n"); + + } else { + + /* No bootloader update reqd, download firmware only */ + printk(KERN_ERR "starting firmware download(3)\n"); + + ret = saa7164_downloadimage( + dev, + (u8 *)fw->data, + fw->size, + SAA_DOWNLOAD_FLAGS, + dev->bmmio + SAA_DEVICE_DOWNLOAD_OFFSET, + SAA_DEVICE_BUFFERBLOCKSIZE); + if (ret < 0) { + printk(KERN_ERR "firmware download failed\n"); + goto out; + } + printk(KERN_ERR "firmware download complete.\n"); + } + } + + dev->firmwareloaded = 1; + ret = 0; + +out: + release_firmware(fw); + return ret; +} diff --git a/kernel/drivers/media/pci/saa7164/saa7164-i2c.c b/kernel/drivers/media/pci/saa7164/saa7164-i2c.c new file mode 100644 index 000000000..4f7e3b422 --- /dev/null +++ b/kernel/drivers/media/pci/saa7164/saa7164-i2c.c @@ -0,0 +1,125 @@ +/* + * Driver for the NXP SAA7164 PCIe bridge + * + * Copyright (c) 2010 Steven Toth <stoth@kernellabs.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/io.h> + +#include "saa7164.h" + +static int i2c_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, int num) +{ + struct saa7164_i2c *bus = i2c_adap->algo_data; + struct saa7164_dev *dev = bus->dev; + int i, retval = 0; + + dprintk(DBGLVL_I2C, "%s(num = %d)\n", __func__, num); + + for (i = 0 ; i < num; i++) { + dprintk(DBGLVL_I2C, "%s(num = %d) addr = 0x%02x len = 0x%x\n", + __func__, num, msgs[i].addr, msgs[i].len); + if (msgs[i].flags & I2C_M_RD) { + /* Unsupported - Yet*/ + printk(KERN_ERR "%s() Unsupported - Yet\n", __func__); + continue; + } else if (i + 1 < num && (msgs[i + 1].flags & I2C_M_RD) && + msgs[i].addr == msgs[i + 1].addr) { + /* write then read from same address */ + + retval = saa7164_api_i2c_read(bus, msgs[i].addr, + msgs[i].len, msgs[i].buf, + msgs[i+1].len, msgs[i+1].buf + ); + + i++; + + if (retval < 0) + goto err; + } else { + /* write */ + retval = saa7164_api_i2c_write(bus, msgs[i].addr, + msgs[i].len, msgs[i].buf); + } + if (retval < 0) + goto err; + } + return num; + +err: + return retval; +} + +static u32 saa7164_functionality(struct i2c_adapter *adap) +{ + return I2C_FUNC_I2C; +} + +static struct i2c_algorithm saa7164_i2c_algo_template = { + .master_xfer = i2c_xfer, + .functionality = saa7164_functionality, +}; + +/* ----------------------------------------------------------------------- */ + +static struct i2c_adapter saa7164_i2c_adap_template = { + .name = "saa7164", + .owner = THIS_MODULE, + .algo = &saa7164_i2c_algo_template, +}; + +static struct i2c_client saa7164_i2c_client_template = { + .name = "saa7164 internal", +}; + +int saa7164_i2c_register(struct saa7164_i2c *bus) +{ + struct saa7164_dev *dev = bus->dev; + + dprintk(DBGLVL_I2C, "%s(bus = %d)\n", __func__, bus->nr); + + bus->i2c_adap = saa7164_i2c_adap_template; + bus->i2c_client = saa7164_i2c_client_template; + + bus->i2c_adap.dev.parent = &dev->pci->dev; + + strlcpy(bus->i2c_adap.name, bus->dev->name, + sizeof(bus->i2c_adap.name)); + + bus->i2c_adap.algo_data = bus; + i2c_set_adapdata(&bus->i2c_adap, bus); + i2c_add_adapter(&bus->i2c_adap); + + bus->i2c_client.adapter = &bus->i2c_adap; + + if (0 != bus->i2c_rc) + printk(KERN_ERR "%s: i2c bus %d register FAILED\n", + dev->name, bus->nr); + + return bus->i2c_rc; +} + +int saa7164_i2c_unregister(struct saa7164_i2c *bus) +{ + i2c_del_adapter(&bus->i2c_adap); + return 0; +} diff --git a/kernel/drivers/media/pci/saa7164/saa7164-reg.h b/kernel/drivers/media/pci/saa7164/saa7164-reg.h new file mode 100644 index 000000000..2bbf81583 --- /dev/null +++ b/kernel/drivers/media/pci/saa7164/saa7164-reg.h @@ -0,0 +1,219 @@ +/* + * Driver for the NXP SAA7164 PCIe bridge + * + * Copyright (c) 2010 Steven Toth <stoth@kernellabs.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +/* TODO: Retest the driver with errors expressed as negatives */ + +/* Result codes */ +#define SAA_OK 0 +#define SAA_ERR_BAD_PARAMETER 0x09 +#define SAA_ERR_NO_RESOURCES 0x0c +#define SAA_ERR_NOT_SUPPORTED 0x13 +#define SAA_ERR_BUSY 0x15 +#define SAA_ERR_READ 0x17 +#define SAA_ERR_TIMEOUT 0x1f +#define SAA_ERR_OVERFLOW 0x20 +#define SAA_ERR_EMPTY 0x22 +#define SAA_ERR_NOT_STARTED 0x23 +#define SAA_ERR_ALREADY_STARTED 0x24 +#define SAA_ERR_NOT_STOPPED 0x25 +#define SAA_ERR_ALREADY_STOPPED 0x26 +#define SAA_ERR_INVALID_COMMAND 0x3e +#define SAA_ERR_NULL_PACKET 0x59 + +/* Errors and flags from the silicon */ +#define PVC_ERRORCODE_UNKNOWN 0x00 +#define PVC_ERRORCODE_INVALID_COMMAND 0x01 +#define PVC_ERRORCODE_INVALID_CONTROL 0x02 +#define PVC_ERRORCODE_INVALID_DATA 0x03 +#define PVC_ERRORCODE_TIMEOUT 0x04 +#define PVC_ERRORCODE_NAK 0x05 +#define PVC_RESPONSEFLAG_ERROR 0x01 +#define PVC_RESPONSEFLAG_OVERFLOW 0x02 +#define PVC_RESPONSEFLAG_RESET 0x04 +#define PVC_RESPONSEFLAG_INTERFACE 0x08 +#define PVC_RESPONSEFLAG_CONTINUED 0x10 +#define PVC_CMDFLAG_INTERRUPT 0x02 +#define PVC_CMDFLAG_INTERFACE 0x04 +#define PVC_CMDFLAG_SERIALIZE 0x08 +#define PVC_CMDFLAG_CONTINUE 0x10 + +/* Silicon Commands */ +#define GET_DESCRIPTORS_CONTROL 0x01 +#define GET_STRING_CONTROL 0x03 +#define GET_LANGUAGE_CONTROL 0x05 +#define SET_POWER_CONTROL 0x07 +#define GET_FW_STATUS_CONTROL 0x08 +#define GET_FW_VERSION_CONTROL 0x09 +#define SET_DEBUG_LEVEL_CONTROL 0x0B +#define GET_DEBUG_DATA_CONTROL 0x0C +#define GET_PRODUCTION_INFO_CONTROL 0x0D + +/* cmd defines */ +#define SAA_CMDFLAG_CONTINUE 0x10 +#define SAA_CMD_MAX_MSG_UNITS 256 + +/* Some defines */ +#define SAA_BUS_TIMEOUT 50 +#define SAA_DEVICE_TIMEOUT 5000 +#define SAA_DEVICE_MAXREQUESTSIZE 256 + +/* Register addresses */ +#define SAA_DEVICE_VERSION 0x30 +#define SAA_DOWNLOAD_FLAGS 0x34 +#define SAA_DOWNLOAD_FLAG 0x34 +#define SAA_DOWNLOAD_FLAG_ACK 0x38 +#define SAA_DATAREADY_FLAG 0x3C +#define SAA_DATAREADY_FLAG_ACK 0x40 + +/* Boot loader register and bit definitions */ +#define SAA_BOOTLOADERERROR_FLAGS 0x44 +#define SAA_DEVICE_IMAGE_SEARCHING 0x01 +#define SAA_DEVICE_IMAGE_LOADING 0x02 +#define SAA_DEVICE_IMAGE_BOOTING 0x03 +#define SAA_DEVICE_IMAGE_CORRUPT 0x04 +#define SAA_DEVICE_MEMORY_CORRUPT 0x08 +#define SAA_DEVICE_NO_IMAGE 0x10 + +/* Register addresses */ +#define SAA_DEVICE_2ND_VERSION 0x50 +#define SAA_DEVICE_2ND_DOWNLOADFLAG_OFFSET 0x54 + +/* Register addresses */ +#define SAA_SECONDSTAGEERROR_FLAGS 0x64 + +/* Bootloader regs and flags */ +#define SAA_DEVICE_DEADLOCK_DETECTED_OFFSET 0x6C +#define SAA_DEVICE_DEADLOCK_DETECTED 0xDEADDEAD + +/* Basic firmware status registers */ +#define SAA_DEVICE_SYSINIT_STATUS_OFFSET 0x70 +#define SAA_DEVICE_SYSINIT_STATUS 0x70 +#define SAA_DEVICE_SYSINIT_MODE 0x74 +#define SAA_DEVICE_SYSINIT_SPEC 0x78 +#define SAA_DEVICE_SYSINIT_INST 0x7C +#define SAA_DEVICE_SYSINIT_CPULOAD 0x80 +#define SAA_DEVICE_SYSINIT_REMAINHEAP 0x84 + +#define SAA_DEVICE_DOWNLOAD_OFFSET 0x1000 +#define SAA_DEVICE_BUFFERBLOCKSIZE 0x1000 + +#define SAA_DEVICE_2ND_BUFFERBLOCKSIZE 0x100000 +#define SAA_DEVICE_2ND_DOWNLOAD_OFFSET 0x200000 + +/* Descriptors */ +#define CS_INTERFACE 0x24 + +/* Descriptor subtypes */ +#define VC_INPUT_TERMINAL 0x02 +#define VC_OUTPUT_TERMINAL 0x03 +#define VC_SELECTOR_UNIT 0x04 +#define VC_PROCESSING_UNIT 0x05 +#define FEATURE_UNIT 0x06 +#define TUNER_UNIT 0x09 +#define ENCODER_UNIT 0x0A +#define EXTENSION_UNIT 0x0B +#define VC_TUNER_PATH 0xF0 +#define PVC_HARDWARE_DESCRIPTOR 0xF1 +#define PVC_INTERFACE_DESCRIPTOR 0xF2 +#define PVC_INFRARED_UNIT 0xF3 +#define DRM_UNIT 0xF4 +#define GENERAL_REQUEST 0xF5 + +/* Format Types */ +#define VS_FORMAT_TYPE 0x02 +#define VS_FORMAT_TYPE_I 0x01 +#define VS_FORMAT_UNCOMPRESSED 0x04 +#define VS_FRAME_UNCOMPRESSED 0x05 +#define VS_FORMAT_MPEG2PS 0x09 +#define VS_FORMAT_MPEG2TS 0x0A +#define VS_FORMAT_MPEG4SL 0x0B +#define VS_FORMAT_WM9 0x0C +#define VS_FORMAT_DIVX 0x0D +#define VS_FORMAT_VBI 0x0E +#define VS_FORMAT_RDS 0x0F + +/* Device extension commands */ +#define EXU_REGISTER_ACCESS_CONTROL 0x00 +#define EXU_GPIO_CONTROL 0x01 +#define EXU_GPIO_GROUP_CONTROL 0x02 +#define EXU_INTERRUPT_CONTROL 0x03 + +/* State Transition and args */ +#define SAA_PROBE_CONTROL 0x01 +#define SAA_COMMIT_CONTROL 0x02 +#define SAA_STATE_CONTROL 0x03 +#define SAA_DMASTATE_STOP 0x00 +#define SAA_DMASTATE_ACQUIRE 0x01 +#define SAA_DMASTATE_PAUSE 0x02 +#define SAA_DMASTATE_RUN 0x03 + +/* A/V Mux Input Selector */ +#define SU_INPUT_SELECT_CONTROL 0x01 + +/* Encoder Profiles */ +#define EU_PROFILE_PS_DVD 0x06 +#define EU_PROFILE_TS_HQ 0x09 +#define EU_VIDEO_FORMAT_MPEG_2 0x02 + +/* Tuner */ +#define TU_AUDIO_MODE_CONTROL 0x17 + +/* Video Formats */ +#define TU_STANDARD_CONTROL 0x00 +#define TU_STANDARD_AUTO_CONTROL 0x01 +#define TU_STANDARD_NONE 0x00 +#define TU_STANDARD_NTSC_M 0x01 +#define TU_STANDARD_PAL_I 0x08 +#define TU_STANDARD_MANUAL 0x00 +#define TU_STANDARD_AUTO 0x01 + +/* Video Controls */ +#define PU_BRIGHTNESS_CONTROL 0x02 +#define PU_CONTRAST_CONTROL 0x03 +#define PU_HUE_CONTROL 0x06 +#define PU_SATURATION_CONTROL 0x07 +#define PU_SHARPNESS_CONTROL 0x08 + +/* Audio Controls */ +#define MUTE_CONTROL 0x01 +#define VOLUME_CONTROL 0x02 +#define AUDIO_DEFAULT_CONTROL 0x0D + +/* Default Volume Levels */ +#define TMHW_LEV_ADJ_DECLEV_DEFAULT 0x00 +#define TMHW_LEV_ADJ_MONOLEV_DEFAULT 0x00 +#define TMHW_LEV_ADJ_NICLEV_DEFAULT 0x00 +#define TMHW_LEV_ADJ_SAPLEV_DEFAULT 0x00 +#define TMHW_LEV_ADJ_ADCLEV_DEFAULT 0x00 + +/* Encoder Related Commands */ +#define EU_PROFILE_CONTROL 0x00 +#define EU_VIDEO_FORMAT_CONTROL 0x01 +#define EU_VIDEO_BIT_RATE_CONTROL 0x02 +#define EU_VIDEO_RESOLUTION_CONTROL 0x03 +#define EU_VIDEO_GOP_STRUCTURE_CONTROL 0x04 +#define EU_VIDEO_INPUT_ASPECT_CONTROL 0x0A +#define EU_AUDIO_FORMAT_CONTROL 0x0C +#define EU_AUDIO_BIT_RATE_CONTROL 0x0D + +/* Firmware Debugging */ +#define SET_DEBUG_LEVEL_CONTROL 0x0B +#define GET_DEBUG_DATA_CONTROL 0x0C diff --git a/kernel/drivers/media/pci/saa7164/saa7164-types.h b/kernel/drivers/media/pci/saa7164/saa7164-types.h new file mode 100644 index 000000000..f48ba978f --- /dev/null +++ b/kernel/drivers/media/pci/saa7164/saa7164-types.h @@ -0,0 +1,442 @@ +/* + * Driver for the NXP SAA7164 PCIe bridge + * + * Copyright (c) 2010 Steven Toth <stoth@kernellabs.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +/* TODO: Cleanup and shorten the namespace */ + +/* Some structues are passed directly to/from the firmware and + * have strict alignment requirements. This is one of them. + */ +struct tmComResHWDescr { + u8 bLength; + u8 bDescriptorType; + u8 bDescriptorSubtype; + u16 bcdSpecVersion; + u32 dwClockFrequency; + u32 dwClockUpdateRes; + u8 bCapabilities; + u32 dwDeviceRegistersLocation; + u32 dwHostMemoryRegion; + u32 dwHostMemoryRegionSize; + u32 dwHostHibernatMemRegion; + u32 dwHostHibernatMemRegionSize; +} __attribute__((packed)); + +/* This is DWORD aligned on windows but I can't find the right + * gcc syntax to match the binary data from the device. + * I've manually padded with Reserved[3] bytes to match the hardware, + * but this could break if GCC decies to pack in a different way. + */ +struct tmComResInterfaceDescr { + u8 bLength; + u8 bDescriptorType; + u8 bDescriptorSubtype; + u8 bFlags; + u8 bInterfaceType; + u8 bInterfaceId; + u8 bBaseInterface; + u8 bInterruptId; + u8 bDebugInterruptId; + u8 BARLocation; + u8 Reserved[3]; +}; + +struct tmComResBusDescr { + u64 CommandRing; + u64 ResponseRing; + u32 CommandWrite; + u32 CommandRead; + u32 ResponseWrite; + u32 ResponseRead; +}; + +enum tmBusType { + NONE = 0, + TYPE_BUS_PCI = 1, + TYPE_BUS_PCIe = 2, + TYPE_BUS_USB = 3, + TYPE_BUS_I2C = 4 +}; + +struct tmComResBusInfo { + enum tmBusType Type; + u16 m_wMaxReqSize; + u8 __iomem *m_pdwSetRing; + u32 m_dwSizeSetRing; + u8 __iomem *m_pdwGetRing; + u32 m_dwSizeGetRing; + u32 m_dwSetWritePos; + u32 m_dwSetReadPos; + u32 m_dwGetWritePos; + u32 m_dwGetReadPos; + + /* All access is protected */ + struct mutex lock; + +}; + +struct tmComResInfo { + u8 id; + u8 flags; + u16 size; + u32 command; + u16 controlselector; + u8 seqno; +} __attribute__((packed)); + +enum tmComResCmd { + SET_CUR = 0x01, + GET_CUR = 0x81, + GET_MIN = 0x82, + GET_MAX = 0x83, + GET_RES = 0x84, + GET_LEN = 0x85, + GET_INFO = 0x86, + GET_DEF = 0x87 +}; + +struct cmd { + u8 seqno; + u32 inuse; + u32 timeout; + u32 signalled; + struct mutex lock; + wait_queue_head_t wait; +}; + +struct tmDescriptor { + u32 pathid; + u32 size; + void *descriptor; +}; + +struct tmComResDescrHeader { + u8 len; + u8 type; + u8 subtype; + u8 unitid; +} __attribute__((packed)); + +struct tmComResExtDevDescrHeader { + u8 len; + u8 type; + u8 subtype; + u8 unitid; + u32 devicetype; + u16 deviceid; + u32 numgpiopins; + u8 numgpiogroups; + u8 controlsize; +} __attribute__((packed)); + +struct tmComResGPIO { + u32 pin; + u8 state; +} __attribute__((packed)); + +struct tmComResPathDescrHeader { + u8 len; + u8 type; + u8 subtype; + u8 pathid; +} __attribute__((packed)); + +/* terminaltype */ +enum tmComResTermType { + ITT_ANTENNA = 0x0203, + LINE_CONNECTOR = 0x0603, + SPDIF_CONNECTOR = 0x0605, + COMPOSITE_CONNECTOR = 0x0401, + SVIDEO_CONNECTOR = 0x0402, + COMPONENT_CONNECTOR = 0x0403, + STANDARD_DMA = 0xF101 +}; + +struct tmComResAntTermDescrHeader { + u8 len; + u8 type; + u8 subtype; + u8 terminalid; + u16 terminaltype; + u8 assocterminal; + u8 iterminal; + u8 controlsize; +} __attribute__((packed)); + +struct tmComResTunerDescrHeader { + u8 len; + u8 type; + u8 subtype; + u8 unitid; + u8 sourceid; + u8 iunit; + u32 tuningstandards; + u8 controlsize; + u32 controls; +} __attribute__((packed)); + +enum tmBufferFlag { + /* the buffer does not contain any valid data */ + TM_BUFFER_FLAG_EMPTY, + + /* the buffer is filled with valid data */ + TM_BUFFER_FLAG_DONE, + + /* the buffer is the dummy buffer - TODO??? */ + TM_BUFFER_FLAG_DUMMY_BUFFER +}; + +struct tmBuffer { + u64 *pagetablevirt; + u64 pagetablephys; + u16 offset; + u8 *context; + u64 timestamp; + enum tmBufferFlag BufferFlag; + u32 lostbuffers; + u32 validbuffers; + u64 *dummypagevirt; + u64 dummypagephys; + u64 *addressvirt; +}; + +struct tmHWStreamParameters { + u32 bitspersample; + u32 samplesperline; + u32 numberoflines; + u32 pitch; + u32 linethreshold; + u64 **pagetablelistvirt; + u64 *pagetablelistphys; + u32 numpagetables; + u32 numpagetableentries; +}; + +struct tmStreamParameters { + struct tmHWStreamParameters HWStreamParameters; + u64 qwDummyPageTablePhys; + u64 *pDummyPageTableVirt; +}; + +struct tmComResDMATermDescrHeader { + u8 len; + u8 type; + u8 subtyle; + u8 unitid; + u16 terminaltype; + u8 assocterminal; + u8 sourceid; + u8 iterminal; + u32 BARLocation; + u8 flags; + u8 interruptid; + u8 buffercount; + u8 metadatasize; + u8 numformats; + u8 controlsize; +} __attribute__((packed)); + +/* + * + * Description: + * This is the transport stream format header. + * + * Settings: + * bLength - The size of this descriptor in bytes. + * bDescriptorType - CS_INTERFACE. + * bDescriptorSubtype - VS_FORMAT_MPEG2TS descriptor subtype. + * bFormatIndex - A non-zero constant that uniquely identifies the + * format. + * bDataOffset - Offset to TSP packet within MPEG-2 TS transport + * stride, in bytes. + * bPacketLength - Length of TSP packet, in bytes (typically 188). + * bStrideLength - Length of MPEG-2 TS transport stride. + * guidStrideFormat - A Globally Unique Identifier indicating the + * format of the stride data (if any). Set to zeros + * if there is no Stride Data, or if the Stride + * Data is to be ignored by the application. + * + */ +struct tmComResTSFormatDescrHeader { + u8 len; + u8 type; + u8 subtype; + u8 bFormatIndex; + u8 bDataOffset; + u8 bPacketLength; + u8 bStrideLength; + u8 guidStrideFormat[16]; +} __attribute__((packed)); + +/* Encoder related structures */ + +/* A/V Mux Selector */ +struct tmComResSelDescrHeader { + u8 len; + u8 type; + u8 subtype; + u8 unitid; + u8 nrinpins; + u8 sourceid; +} __attribute__((packed)); + +/* A/V Audio processor definitions */ +struct tmComResProcDescrHeader { + u8 len; + u8 type; + u8 subtype; + u8 unitid; + u8 sourceid; + u16 wreserved; + u8 controlsize; +} __attribute__((packed)); + +/* Video bitrate control message */ +#define EU_VIDEO_BIT_RATE_MODE_CONSTANT (0) +#define EU_VIDEO_BIT_RATE_MODE_VARIABLE_AVERAGE (1) +#define EU_VIDEO_BIT_RATE_MODE_VARIABLE_PEAK (2) +struct tmComResEncVideoBitRate { + u8 ucVideoBitRateMode; + u32 dwVideoBitRate; + u32 dwVideoBitRatePeak; +} __attribute__((packed)); + +/* Video Encoder Aspect Ratio message */ +struct tmComResEncVideoInputAspectRatio { + u8 width; + u8 height; +} __attribute__((packed)); + +/* Video Encoder GOP IBP message */ +/* 1. IPPPPPPPPPPPPPP */ +/* 2. IBPBPBPBPBPBPBP */ +/* 3. IBBPBBPBBPBBP */ +#define SAA7164_ENCODER_DEFAULT_GOP_DIST (1) +#define SAA7164_ENCODER_DEFAULT_GOP_SIZE (15) +struct tmComResEncVideoGopStructure { + u8 ucGOPSize; /* GOP Size 12, 15 */ + u8 ucRefFrameDist; /* Reference Frame Distance */ +} __attribute__((packed)); + +/* Encoder processor definition */ +struct tmComResEncoderDescrHeader { + u8 len; + u8 type; + u8 subtype; + u8 unitid; + u8 vsourceid; + u8 asourceid; + u8 iunit; + u32 dwmControlCap; + u32 dwmProfileCap; + u32 dwmVidFormatCap; + u8 bmVidBitrateCap; + u16 wmVidResolutionsCap; + u16 wmVidFrmRateCap; + u32 dwmAudFormatCap; + u8 bmAudBitrateCap; +} __attribute__((packed)); + +/* Audio processor definition */ +struct tmComResAFeatureDescrHeader { + u8 len; + u8 type; + u8 subtype; + u8 unitid; + u8 sourceid; + u8 controlsize; +} __attribute__((packed)); + +/* Audio control messages */ +struct tmComResAudioDefaults { + u8 ucDecoderLevel; + u8 ucDecoderFM_Level; + u8 ucMonoLevel; + u8 ucNICAM_Level; + u8 ucSAP_Level; + u8 ucADC_Level; +} __attribute__((packed)); + +/* Audio bitrate control message */ +struct tmComResEncAudioBitRate { + u8 ucAudioBitRateMode; + u32 dwAudioBitRate; + u32 dwAudioBitRatePeak; +} __attribute__((packed)); + +/* Tuner / AV Decoder messages */ +struct tmComResTunerStandard { + u8 std; + u32 country; +} __attribute__((packed)); + +struct tmComResTunerStandardAuto { + u8 mode; +} __attribute__((packed)); + +/* EEPROM definition for PS stream types */ +struct tmComResPSFormatDescrHeader { + u8 len; + u8 type; + u8 subtype; + u8 bFormatIndex; + u16 wPacketLength; + u16 wPackLength; + u8 bPackDataType; +} __attribute__((packed)); + +/* VBI control structure */ +struct tmComResVBIFormatDescrHeader { + u8 len; + u8 type; + u8 subtype; /* VS_FORMAT_VBI */ + u8 bFormatIndex; + u32 VideoStandard; /* See KS_AnalogVideoStandard, NTSC = 1 */ + u8 StartLine; /* NTSC Start = 10 */ + u8 EndLine; /* NTSC = 21 */ + u8 FieldRate; /* 60 for NTSC */ + u8 bNumLines; /* Unused - scheduled for removal */ +} __attribute__((packed)); + +struct tmComResProbeCommit { + u16 bmHint; + u8 bFormatIndex; + u8 bFrameIndex; +} __attribute__((packed)); + +struct tmComResDebugSetLevel { + u32 dwDebugLevel; +} __attribute__((packed)); + +struct tmComResDebugGetData { + u32 dwResult; + u8 ucDebugData[256]; +} __attribute__((packed)); + +struct tmFwInfoStruct { + u32 status; + u32 mode; + u32 devicespec; + u32 deviceinst; + u32 CPULoad; + u32 RemainHeap; + u32 CPUClock; + u32 RAMSpeed; +} __attribute__((packed)); diff --git a/kernel/drivers/media/pci/saa7164/saa7164-vbi.c b/kernel/drivers/media/pci/saa7164/saa7164-vbi.c new file mode 100644 index 000000000..6e025fea2 --- /dev/null +++ b/kernel/drivers/media/pci/saa7164/saa7164-vbi.c @@ -0,0 +1,1378 @@ +/* + * Driver for the NXP SAA7164 PCIe bridge + * + * Copyright (c) 2010 Steven Toth <stoth@kernellabs.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "saa7164.h" + +static struct saa7164_tvnorm saa7164_tvnorms[] = { + { + .name = "NTSC-M", + .id = V4L2_STD_NTSC_M, + }, { + .name = "NTSC-JP", + .id = V4L2_STD_NTSC_M_JP, + } +}; + +static const u32 saa7164_v4l2_ctrls[] = { + 0 +}; + +/* Take the encoder configuration from the port struct and + * flush it to the hardware. + */ +static void saa7164_vbi_configure(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + dprintk(DBGLVL_VBI, "%s()\n", __func__); + + port->vbi_params.width = port->width; + port->vbi_params.height = port->height; + port->vbi_params.is_50hz = + (port->encodernorm.id & V4L2_STD_625_50) != 0; + + /* Set up the DIF (enable it) for analog mode by default */ + saa7164_api_initialize_dif(port); + + /* Configure the correct video standard */ +#if 0 + saa7164_api_configure_dif(port, port->encodernorm.id); +#endif + +#if 0 + /* Ensure the audio decoder is correct configured */ + saa7164_api_set_audio_std(port); +#endif + dprintk(DBGLVL_VBI, "%s() ends\n", __func__); +} + +static int saa7164_vbi_buffers_dealloc(struct saa7164_port *port) +{ + struct list_head *c, *n, *p, *q, *l, *v; + struct saa7164_dev *dev = port->dev; + struct saa7164_buffer *buf; + struct saa7164_user_buffer *ubuf; + + /* Remove any allocated buffers */ + mutex_lock(&port->dmaqueue_lock); + + dprintk(DBGLVL_VBI, "%s(port=%d) dmaqueue\n", __func__, port->nr); + list_for_each_safe(c, n, &port->dmaqueue.list) { + buf = list_entry(c, struct saa7164_buffer, list); + list_del(c); + saa7164_buffer_dealloc(buf); + } + + dprintk(DBGLVL_VBI, "%s(port=%d) used\n", __func__, port->nr); + list_for_each_safe(p, q, &port->list_buf_used.list) { + ubuf = list_entry(p, struct saa7164_user_buffer, list); + list_del(p); + saa7164_buffer_dealloc_user(ubuf); + } + + dprintk(DBGLVL_VBI, "%s(port=%d) free\n", __func__, port->nr); + list_for_each_safe(l, v, &port->list_buf_free.list) { + ubuf = list_entry(l, struct saa7164_user_buffer, list); + list_del(l); + saa7164_buffer_dealloc_user(ubuf); + } + + mutex_unlock(&port->dmaqueue_lock); + dprintk(DBGLVL_VBI, "%s(port=%d) done\n", __func__, port->nr); + + return 0; +} + +/* Dynamic buffer switch at vbi start time */ +static int saa7164_vbi_buffers_alloc(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + struct saa7164_buffer *buf; + struct saa7164_user_buffer *ubuf; + struct tmHWStreamParameters *params = &port->hw_streamingparams; + int result = -ENODEV, i; + int len = 0; + + dprintk(DBGLVL_VBI, "%s()\n", __func__); + + /* TODO: NTSC SPECIFIC */ + /* Init and establish defaults */ + params->samplesperline = 1440; + params->numberoflines = 12; + params->numberoflines = 18; + params->pitch = 1600; + params->pitch = 1440; + params->numpagetables = 2 + + ((params->numberoflines * params->pitch) / PAGE_SIZE); + params->bitspersample = 8; + params->linethreshold = 0; + params->pagetablelistvirt = NULL; + params->pagetablelistphys = NULL; + params->numpagetableentries = port->hwcfg.buffercount; + + /* Allocate the PCI resources, buffers (hard) */ + for (i = 0; i < port->hwcfg.buffercount; i++) { + buf = saa7164_buffer_alloc(port, + params->numberoflines * + params->pitch); + + if (!buf) { + printk(KERN_ERR "%s() failed " + "(errno = %d), unable to allocate buffer\n", + __func__, result); + result = -ENOMEM; + goto failed; + } else { + + mutex_lock(&port->dmaqueue_lock); + list_add_tail(&buf->list, &port->dmaqueue.list); + mutex_unlock(&port->dmaqueue_lock); + + } + } + + /* Allocate some kernel buffers for copying + * to userpsace. + */ + len = params->numberoflines * params->pitch; + + if (vbi_buffers < 16) + vbi_buffers = 16; + if (vbi_buffers > 512) + vbi_buffers = 512; + + for (i = 0; i < vbi_buffers; i++) { + + ubuf = saa7164_buffer_alloc_user(dev, len); + if (ubuf) { + mutex_lock(&port->dmaqueue_lock); + list_add_tail(&ubuf->list, &port->list_buf_free.list); + mutex_unlock(&port->dmaqueue_lock); + } + + } + + result = 0; + +failed: + return result; +} + + +static int saa7164_vbi_initialize(struct saa7164_port *port) +{ + saa7164_vbi_configure(port); + return 0; +} + +/* -- V4L2 --------------------------------------------------------- */ +static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id) +{ + struct saa7164_vbi_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_dev *dev = port->dev; + unsigned int i; + + dprintk(DBGLVL_VBI, "%s(id=0x%x)\n", __func__, (u32)id); + + for (i = 0; i < ARRAY_SIZE(saa7164_tvnorms); i++) { + if (id & saa7164_tvnorms[i].id) + break; + } + if (i == ARRAY_SIZE(saa7164_tvnorms)) + return -EINVAL; + + port->encodernorm = saa7164_tvnorms[i]; + port->std = id; + + /* Update the audio decoder while is not running in + * auto detect mode. + */ + saa7164_api_set_audio_std(port); + + dprintk(DBGLVL_VBI, "%s(id=0x%x) OK\n", __func__, (u32)id); + + return 0; +} + +static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) +{ + struct saa7164_encoder_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + + *id = port->std; + return 0; +} + +static int vidioc_enum_input(struct file *file, void *priv, + struct v4l2_input *i) +{ + int n; + + char *inputs[] = { "tuner", "composite", "svideo", "aux", + "composite 2", "svideo 2", "aux 2" }; + + if (i->index >= 7) + return -EINVAL; + + strcpy(i->name, inputs[i->index]); + + if (i->index == 0) + i->type = V4L2_INPUT_TYPE_TUNER; + else + i->type = V4L2_INPUT_TYPE_CAMERA; + + for (n = 0; n < ARRAY_SIZE(saa7164_tvnorms); n++) + i->std |= saa7164_tvnorms[n].id; + + return 0; +} + +static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) +{ + struct saa7164_vbi_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_dev *dev = port->dev; + + if (saa7164_api_get_videomux(port) != SAA_OK) + return -EIO; + + *i = (port->mux_input - 1); + + dprintk(DBGLVL_VBI, "%s() input=%d\n", __func__, *i); + + return 0; +} + +static int vidioc_s_input(struct file *file, void *priv, unsigned int i) +{ + struct saa7164_vbi_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_dev *dev = port->dev; + + dprintk(DBGLVL_VBI, "%s() input=%d\n", __func__, i); + + if (i >= 7) + return -EINVAL; + + port->mux_input = i + 1; + + if (saa7164_api_set_videomux(port) != SAA_OK) + return -EIO; + + return 0; +} + +static int vidioc_g_tuner(struct file *file, void *priv, + struct v4l2_tuner *t) +{ + struct saa7164_vbi_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_dev *dev = port->dev; + + if (0 != t->index) + return -EINVAL; + + strcpy(t->name, "tuner"); + t->type = V4L2_TUNER_ANALOG_TV; + t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO; + + dprintk(DBGLVL_VBI, "VIDIOC_G_TUNER: tuner type %d\n", t->type); + + return 0; +} + +static int vidioc_s_tuner(struct file *file, void *priv, + const struct v4l2_tuner *t) +{ + /* Update the A/V core */ + return 0; +} + +static int vidioc_g_frequency(struct file *file, void *priv, + struct v4l2_frequency *f) +{ + struct saa7164_vbi_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + + f->type = V4L2_TUNER_ANALOG_TV; + f->frequency = port->freq; + + return 0; +} + +static int vidioc_s_frequency(struct file *file, void *priv, + const struct v4l2_frequency *f) +{ + struct saa7164_vbi_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_dev *dev = port->dev; + struct saa7164_port *tsport; + struct dvb_frontend *fe; + + /* TODO: Pull this for the std */ + struct analog_parameters params = { + .mode = V4L2_TUNER_ANALOG_TV, + .audmode = V4L2_TUNER_MODE_STEREO, + .std = port->encodernorm.id, + .frequency = f->frequency + }; + + /* Stop the encoder */ + dprintk(DBGLVL_VBI, "%s() frequency=%d tuner=%d\n", __func__, + f->frequency, f->tuner); + + if (f->tuner != 0) + return -EINVAL; + + if (f->type != V4L2_TUNER_ANALOG_TV) + return -EINVAL; + + port->freq = f->frequency; + + /* Update the hardware */ + if (port->nr == SAA7164_PORT_VBI1) + tsport = &dev->ports[SAA7164_PORT_TS1]; + else + if (port->nr == SAA7164_PORT_VBI2) + tsport = &dev->ports[SAA7164_PORT_TS2]; + else + BUG(); + + fe = tsport->dvb.frontend; + + if (fe && fe->ops.tuner_ops.set_analog_params) + fe->ops.tuner_ops.set_analog_params(fe, ¶ms); + else + printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__); + + saa7164_vbi_initialize(port); + + return 0; +} + +static int vidioc_g_ctrl(struct file *file, void *priv, + struct v4l2_control *ctl) +{ + struct saa7164_vbi_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_dev *dev = port->dev; + + dprintk(DBGLVL_VBI, "%s(id=%d, value=%d)\n", __func__, + ctl->id, ctl->value); + + switch (ctl->id) { + case V4L2_CID_BRIGHTNESS: + ctl->value = port->ctl_brightness; + break; + case V4L2_CID_CONTRAST: + ctl->value = port->ctl_contrast; + break; + case V4L2_CID_SATURATION: + ctl->value = port->ctl_saturation; + break; + case V4L2_CID_HUE: + ctl->value = port->ctl_hue; + break; + case V4L2_CID_SHARPNESS: + ctl->value = port->ctl_sharpness; + break; + case V4L2_CID_AUDIO_VOLUME: + ctl->value = port->ctl_volume; + break; + default: + return -EINVAL; + } + + return 0; +} + +static int vidioc_s_ctrl(struct file *file, void *priv, + struct v4l2_control *ctl) +{ + struct saa7164_vbi_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_dev *dev = port->dev; + int ret = 0; + + dprintk(DBGLVL_VBI, "%s(id=%d, value=%d)\n", __func__, + ctl->id, ctl->value); + + switch (ctl->id) { + case V4L2_CID_BRIGHTNESS: + if ((ctl->value >= 0) && (ctl->value <= 255)) { + port->ctl_brightness = ctl->value; + saa7164_api_set_usercontrol(port, + PU_BRIGHTNESS_CONTROL); + } else + ret = -EINVAL; + break; + case V4L2_CID_CONTRAST: + if ((ctl->value >= 0) && (ctl->value <= 255)) { + port->ctl_contrast = ctl->value; + saa7164_api_set_usercontrol(port, PU_CONTRAST_CONTROL); + } else + ret = -EINVAL; + break; + case V4L2_CID_SATURATION: + if ((ctl->value >= 0) && (ctl->value <= 255)) { + port->ctl_saturation = ctl->value; + saa7164_api_set_usercontrol(port, + PU_SATURATION_CONTROL); + } else + ret = -EINVAL; + break; + case V4L2_CID_HUE: + if ((ctl->value >= 0) && (ctl->value <= 255)) { + port->ctl_hue = ctl->value; + saa7164_api_set_usercontrol(port, PU_HUE_CONTROL); + } else + ret = -EINVAL; + break; + case V4L2_CID_SHARPNESS: + if ((ctl->value >= 0) && (ctl->value <= 255)) { + port->ctl_sharpness = ctl->value; + saa7164_api_set_usercontrol(port, PU_SHARPNESS_CONTROL); + } else + ret = -EINVAL; + break; + case V4L2_CID_AUDIO_VOLUME: + if ((ctl->value >= -83) && (ctl->value <= 24)) { + port->ctl_volume = ctl->value; + saa7164_api_set_audio_volume(port, port->ctl_volume); + } else + ret = -EINVAL; + break; + default: + ret = -EINVAL; + } + + return ret; +} + +static int saa7164_get_ctrl(struct saa7164_port *port, + struct v4l2_ext_control *ctrl) +{ + struct saa7164_vbi_params *params = &port->vbi_params; + + switch (ctrl->id) { + case V4L2_CID_MPEG_STREAM_TYPE: + ctrl->value = params->stream_type; + break; + case V4L2_CID_MPEG_AUDIO_MUTE: + ctrl->value = params->ctl_mute; + break; + case V4L2_CID_MPEG_VIDEO_ASPECT: + ctrl->value = params->ctl_aspect; + break; + case V4L2_CID_MPEG_VIDEO_B_FRAMES: + ctrl->value = params->refdist; + break; + case V4L2_CID_MPEG_VIDEO_GOP_SIZE: + ctrl->value = params->gop_size; + break; + default: + return -EINVAL; + } + return 0; +} + +static int vidioc_g_ext_ctrls(struct file *file, void *priv, + struct v4l2_ext_controls *ctrls) +{ + struct saa7164_vbi_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + int i, err = 0; + + if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) { + for (i = 0; i < ctrls->count; i++) { + struct v4l2_ext_control *ctrl = ctrls->controls + i; + + err = saa7164_get_ctrl(port, ctrl); + if (err) { + ctrls->error_idx = i; + break; + } + } + return err; + + } + + return -EINVAL; +} + +static int saa7164_try_ctrl(struct v4l2_ext_control *ctrl, int ac3) +{ + int ret = -EINVAL; + + switch (ctrl->id) { + case V4L2_CID_MPEG_STREAM_TYPE: + if ((ctrl->value == V4L2_MPEG_STREAM_TYPE_MPEG2_PS) || + (ctrl->value == V4L2_MPEG_STREAM_TYPE_MPEG2_TS)) + ret = 0; + break; + case V4L2_CID_MPEG_AUDIO_MUTE: + if ((ctrl->value >= 0) && + (ctrl->value <= 1)) + ret = 0; + break; + case V4L2_CID_MPEG_VIDEO_ASPECT: + if ((ctrl->value >= V4L2_MPEG_VIDEO_ASPECT_1x1) && + (ctrl->value <= V4L2_MPEG_VIDEO_ASPECT_221x100)) + ret = 0; + break; + case V4L2_CID_MPEG_VIDEO_GOP_SIZE: + if ((ctrl->value >= 0) && + (ctrl->value <= 255)) + ret = 0; + break; + case V4L2_CID_MPEG_VIDEO_B_FRAMES: + if ((ctrl->value >= 1) && + (ctrl->value <= 3)) + ret = 0; + break; + default: + ret = -EINVAL; + } + + return ret; +} + +static int vidioc_try_ext_ctrls(struct file *file, void *priv, + struct v4l2_ext_controls *ctrls) +{ + int i, err = 0; + + if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) { + for (i = 0; i < ctrls->count; i++) { + struct v4l2_ext_control *ctrl = ctrls->controls + i; + + err = saa7164_try_ctrl(ctrl, 0); + if (err) { + ctrls->error_idx = i; + break; + } + } + return err; + } + + return -EINVAL; +} + +static int saa7164_set_ctrl(struct saa7164_port *port, + struct v4l2_ext_control *ctrl) +{ + struct saa7164_vbi_params *params = &port->vbi_params; + int ret = 0; + + switch (ctrl->id) { + case V4L2_CID_MPEG_STREAM_TYPE: + params->stream_type = ctrl->value; + break; + case V4L2_CID_MPEG_AUDIO_MUTE: + params->ctl_mute = ctrl->value; + ret = saa7164_api_audio_mute(port, params->ctl_mute); + if (ret != SAA_OK) { + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, + ret); + ret = -EIO; + } + break; + case V4L2_CID_MPEG_VIDEO_ASPECT: + params->ctl_aspect = ctrl->value; + ret = saa7164_api_set_aspect_ratio(port); + if (ret != SAA_OK) { + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, + ret); + ret = -EIO; + } + break; + case V4L2_CID_MPEG_VIDEO_B_FRAMES: + params->refdist = ctrl->value; + break; + case V4L2_CID_MPEG_VIDEO_GOP_SIZE: + params->gop_size = ctrl->value; + break; + default: + return -EINVAL; + } + + /* TODO: Update the hardware */ + + return ret; +} + +static int vidioc_s_ext_ctrls(struct file *file, void *priv, + struct v4l2_ext_controls *ctrls) +{ + struct saa7164_vbi_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + int i, err = 0; + + if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) { + for (i = 0; i < ctrls->count; i++) { + struct v4l2_ext_control *ctrl = ctrls->controls + i; + + err = saa7164_try_ctrl(ctrl, 0); + if (err) { + ctrls->error_idx = i; + break; + } + err = saa7164_set_ctrl(port, ctrl); + if (err) { + ctrls->error_idx = i; + break; + } + } + return err; + + } + + return -EINVAL; +} + +static int vidioc_querycap(struct file *file, void *priv, + struct v4l2_capability *cap) +{ + struct saa7164_vbi_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_dev *dev = port->dev; + + strcpy(cap->driver, dev->name); + strlcpy(cap->card, saa7164_boards[dev->board].name, + sizeof(cap->card)); + sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); + + cap->capabilities = + V4L2_CAP_VBI_CAPTURE | + V4L2_CAP_READWRITE | + 0; + + cap->capabilities |= V4L2_CAP_TUNER; + cap->version = 0; + + return 0; +} + +static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_fmtdesc *f) +{ + if (f->index != 0) + return -EINVAL; + + strlcpy(f->description, "VBI", sizeof(f->description)); + f->pixelformat = V4L2_PIX_FMT_MPEG; + + return 0; +} + +static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct saa7164_vbi_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_dev *dev = port->dev; + + f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; + f->fmt.pix.bytesperline = 0; + f->fmt.pix.sizeimage = + port->ts_packet_size * port->ts_packet_count; + f->fmt.pix.colorspace = 0; + f->fmt.pix.width = port->width; + f->fmt.pix.height = port->height; + + dprintk(DBGLVL_VBI, "VIDIOC_G_FMT: w: %d, h: %d\n", + port->width, port->height); + + return 0; +} + +static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct saa7164_vbi_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_dev *dev = port->dev; + + f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; + f->fmt.pix.bytesperline = 0; + f->fmt.pix.sizeimage = + port->ts_packet_size * port->ts_packet_count; + f->fmt.pix.colorspace = 0; + dprintk(DBGLVL_VBI, "VIDIOC_TRY_FMT: w: %d, h: %d\n", + port->width, port->height); + return 0; +} + +static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct saa7164_vbi_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_dev *dev = port->dev; + + f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; + f->fmt.pix.bytesperline = 0; + f->fmt.pix.sizeimage = + port->ts_packet_size * port->ts_packet_count; + f->fmt.pix.colorspace = 0; + + dprintk(DBGLVL_VBI, "VIDIOC_S_FMT: w: %d, h: %d, f: %d\n", + f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field); + + return 0; +} + +static int fill_queryctrl(struct saa7164_vbi_params *params, + struct v4l2_queryctrl *c) +{ + switch (c->id) { + case V4L2_CID_BRIGHTNESS: + return v4l2_ctrl_query_fill(c, 0x0, 0xff, 1, 127); + case V4L2_CID_CONTRAST: + return v4l2_ctrl_query_fill(c, 0x0, 0xff, 1, 66); + case V4L2_CID_SATURATION: + return v4l2_ctrl_query_fill(c, 0x0, 0xff, 1, 62); + case V4L2_CID_HUE: + return v4l2_ctrl_query_fill(c, 0x0, 0xff, 1, 128); + case V4L2_CID_SHARPNESS: + return v4l2_ctrl_query_fill(c, 0x0, 0x0f, 1, 8); + case V4L2_CID_MPEG_AUDIO_MUTE: + return v4l2_ctrl_query_fill(c, 0x0, 0x01, 1, 0); + case V4L2_CID_AUDIO_VOLUME: + return v4l2_ctrl_query_fill(c, -83, 24, 1, 20); + case V4L2_CID_MPEG_STREAM_TYPE: + return v4l2_ctrl_query_fill(c, + V4L2_MPEG_STREAM_TYPE_MPEG2_PS, + V4L2_MPEG_STREAM_TYPE_MPEG2_TS, + 1, V4L2_MPEG_STREAM_TYPE_MPEG2_PS); + case V4L2_CID_MPEG_VIDEO_ASPECT: + return v4l2_ctrl_query_fill(c, + V4L2_MPEG_VIDEO_ASPECT_1x1, + V4L2_MPEG_VIDEO_ASPECT_221x100, + 1, V4L2_MPEG_VIDEO_ASPECT_4x3); + case V4L2_CID_MPEG_VIDEO_GOP_SIZE: + return v4l2_ctrl_query_fill(c, 1, 255, 1, 15); + case V4L2_CID_MPEG_VIDEO_B_FRAMES: + return v4l2_ctrl_query_fill(c, + 1, 3, 1, 1); + default: + return -EINVAL; + } +} + +static int vidioc_queryctrl(struct file *file, void *priv, + struct v4l2_queryctrl *c) +{ + struct saa7164_vbi_fh *fh = priv; + struct saa7164_port *port = fh->port; + int i, next; + u32 id = c->id; + + memset(c, 0, sizeof(*c)); + + next = !!(id & V4L2_CTRL_FLAG_NEXT_CTRL); + c->id = id & ~V4L2_CTRL_FLAG_NEXT_CTRL; + + for (i = 0; i < ARRAY_SIZE(saa7164_v4l2_ctrls); i++) { + if (next) { + if (c->id < saa7164_v4l2_ctrls[i]) + c->id = saa7164_v4l2_ctrls[i]; + else + continue; + } + + if (c->id == saa7164_v4l2_ctrls[i]) + return fill_queryctrl(&port->vbi_params, c); + + if (c->id < saa7164_v4l2_ctrls[i]) + break; + } + + return -EINVAL; +} + +static int saa7164_vbi_stop_port(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + int ret; + + ret = saa7164_api_transition_port(port, SAA_DMASTATE_STOP); + if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() stop transition failed, ret = 0x%x\n", + __func__, ret); + ret = -EIO; + } else { + dprintk(DBGLVL_VBI, "%s() Stopped\n", __func__); + ret = 0; + } + + return ret; +} + +static int saa7164_vbi_acquire_port(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + int ret; + + ret = saa7164_api_transition_port(port, SAA_DMASTATE_ACQUIRE); + if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() acquire transition failed, ret = 0x%x\n", + __func__, ret); + ret = -EIO; + } else { + dprintk(DBGLVL_VBI, "%s() Acquired\n", __func__); + ret = 0; + } + + return ret; +} + +static int saa7164_vbi_pause_port(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + int ret; + + ret = saa7164_api_transition_port(port, SAA_DMASTATE_PAUSE); + if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() pause transition failed, ret = 0x%x\n", + __func__, ret); + ret = -EIO; + } else { + dprintk(DBGLVL_VBI, "%s() Paused\n", __func__); + ret = 0; + } + + return ret; +} + +/* Firmware is very windows centric, meaning you have to transition + * the part through AVStream / KS Windows stages, forwards or backwards. + * States are: stopped, acquired (h/w), paused, started. + * We have to leave here will all of the soft buffers on the free list, + * else the cfg_post() func won't have soft buffers to correctly configure. + */ +static int saa7164_vbi_stop_streaming(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + struct saa7164_buffer *buf; + struct saa7164_user_buffer *ubuf; + struct list_head *c, *n; + int ret; + + dprintk(DBGLVL_VBI, "%s(port=%d)\n", __func__, port->nr); + + ret = saa7164_vbi_pause_port(port); + ret = saa7164_vbi_acquire_port(port); + ret = saa7164_vbi_stop_port(port); + + dprintk(DBGLVL_VBI, "%s(port=%d) Hardware stopped\n", __func__, + port->nr); + + /* Reset the state of any allocated buffer resources */ + mutex_lock(&port->dmaqueue_lock); + + /* Reset the hard and soft buffer state */ + list_for_each_safe(c, n, &port->dmaqueue.list) { + buf = list_entry(c, struct saa7164_buffer, list); + buf->flags = SAA7164_BUFFER_FREE; + buf->pos = 0; + } + + list_for_each_safe(c, n, &port->list_buf_used.list) { + ubuf = list_entry(c, struct saa7164_user_buffer, list); + ubuf->pos = 0; + list_move_tail(&ubuf->list, &port->list_buf_free.list); + } + + mutex_unlock(&port->dmaqueue_lock); + + /* Free any allocated resources */ + saa7164_vbi_buffers_dealloc(port); + + dprintk(DBGLVL_VBI, "%s(port=%d) Released\n", __func__, port->nr); + + return ret; +} + +static int saa7164_vbi_start_streaming(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + int result, ret = 0; + + dprintk(DBGLVL_VBI, "%s(port=%d)\n", __func__, port->nr); + + port->done_first_interrupt = 0; + + /* allocate all of the PCIe DMA buffer resources on the fly, + * allowing switching between TS and PS payloads without + * requiring a complete driver reload. + */ + saa7164_vbi_buffers_alloc(port); + + /* Configure the encoder with any cache values */ +#if 0 + saa7164_api_set_encoder(port); + saa7164_api_get_encoder(port); +#endif + + /* Place the empty buffers on the hardware */ + saa7164_buffer_cfg_port(port); + + /* Negotiate format */ + if (saa7164_api_set_vbi_format(port) != SAA_OK) { + printk(KERN_ERR "%s() No supported VBI format\n", __func__); + ret = -EIO; + goto out; + } + + /* Acquire the hardware */ + result = saa7164_api_transition_port(port, SAA_DMASTATE_ACQUIRE); + if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() acquire transition failed, res = 0x%x\n", + __func__, result); + + ret = -EIO; + goto out; + } else + dprintk(DBGLVL_VBI, "%s() Acquired\n", __func__); + + /* Pause the hardware */ + result = saa7164_api_transition_port(port, SAA_DMASTATE_PAUSE); + if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() pause transition failed, res = 0x%x\n", + __func__, result); + + /* Stop the hardware, regardless */ + result = saa7164_vbi_stop_port(port); + if (result != SAA_OK) { + printk(KERN_ERR "%s() pause/forced stop transition " + "failed, res = 0x%x\n", __func__, result); + } + + ret = -EIO; + goto out; + } else + dprintk(DBGLVL_VBI, "%s() Paused\n", __func__); + + /* Start the hardware */ + result = saa7164_api_transition_port(port, SAA_DMASTATE_RUN); + if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { + printk(KERN_ERR "%s() run transition failed, result = 0x%x\n", + __func__, result); + + /* Stop the hardware, regardless */ + result = saa7164_vbi_acquire_port(port); + result = saa7164_vbi_stop_port(port); + if (result != SAA_OK) { + printk(KERN_ERR "%s() run/forced stop transition " + "failed, res = 0x%x\n", __func__, result); + } + + ret = -EIO; + } else + dprintk(DBGLVL_VBI, "%s() Running\n", __func__); + +out: + return ret; +} + +static int saa7164_vbi_fmt(struct file *file, void *priv, + struct v4l2_format *f) +{ + /* ntsc */ + f->fmt.vbi.samples_per_line = 1600; + f->fmt.vbi.samples_per_line = 1440; + f->fmt.vbi.sampling_rate = 27000000; + f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; + f->fmt.vbi.offset = 0; + f->fmt.vbi.flags = 0; + f->fmt.vbi.start[0] = 10; + f->fmt.vbi.count[0] = 18; + f->fmt.vbi.start[1] = 263 + 10 + 1; + f->fmt.vbi.count[1] = 18; + return 0; +} + +static int fops_open(struct file *file) +{ + struct saa7164_dev *dev; + struct saa7164_port *port; + struct saa7164_vbi_fh *fh; + + port = (struct saa7164_port *)video_get_drvdata(video_devdata(file)); + if (!port) + return -ENODEV; + + dev = port->dev; + + dprintk(DBGLVL_VBI, "%s()\n", __func__); + + /* allocate + initialize per filehandle data */ + fh = kzalloc(sizeof(*fh), GFP_KERNEL); + if (NULL == fh) + return -ENOMEM; + + file->private_data = fh; + fh->port = port; + + return 0; +} + +static int fops_release(struct file *file) +{ + struct saa7164_vbi_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_dev *dev = port->dev; + + dprintk(DBGLVL_VBI, "%s()\n", __func__); + + /* Shut device down on last close */ + if (atomic_cmpxchg(&fh->v4l_reading, 1, 0) == 1) { + if (atomic_dec_return(&port->v4l_reader_count) == 0) { + /* stop vbi capture then cancel buffers */ + saa7164_vbi_stop_streaming(port); + } + } + + file->private_data = NULL; + kfree(fh); + + return 0; +} + +static struct +saa7164_user_buffer *saa7164_vbi_next_buf(struct saa7164_port *port) +{ + struct saa7164_user_buffer *ubuf = NULL; + struct saa7164_dev *dev = port->dev; + u32 crc; + + mutex_lock(&port->dmaqueue_lock); + if (!list_empty(&port->list_buf_used.list)) { + ubuf = list_first_entry(&port->list_buf_used.list, + struct saa7164_user_buffer, list); + + if (crc_checking) { + crc = crc32(0, ubuf->data, ubuf->actual_size); + if (crc != ubuf->crc) { + printk(KERN_ERR "%s() ubuf %p crc became invalid, was 0x%x became 0x%x\n", + __func__, + ubuf, ubuf->crc, crc); + } + } + + } + mutex_unlock(&port->dmaqueue_lock); + + dprintk(DBGLVL_VBI, "%s() returns %p\n", __func__, ubuf); + + return ubuf; +} + +static ssize_t fops_read(struct file *file, char __user *buffer, + size_t count, loff_t *pos) +{ + struct saa7164_vbi_fh *fh = file->private_data; + struct saa7164_port *port = fh->port; + struct saa7164_user_buffer *ubuf = NULL; + struct saa7164_dev *dev = port->dev; + int ret = 0; + int rem, cnt; + u8 *p; + + port->last_read_msecs_diff = port->last_read_msecs; + port->last_read_msecs = jiffies_to_msecs(jiffies); + port->last_read_msecs_diff = port->last_read_msecs - + port->last_read_msecs_diff; + + saa7164_histogram_update(&port->read_interval, + port->last_read_msecs_diff); + + if (*pos) { + printk(KERN_ERR "%s() ESPIPE\n", __func__); + return -ESPIPE; + } + + if (atomic_cmpxchg(&fh->v4l_reading, 0, 1) == 0) { + if (atomic_inc_return(&port->v4l_reader_count) == 1) { + + if (saa7164_vbi_initialize(port) < 0) { + printk(KERN_ERR "%s() EINVAL\n", __func__); + return -EINVAL; + } + + saa7164_vbi_start_streaming(port); + msleep(200); + } + } + + /* blocking wait for buffer */ + if ((file->f_flags & O_NONBLOCK) == 0) { + if (wait_event_interruptible(port->wait_read, + saa7164_vbi_next_buf(port))) { + printk(KERN_ERR "%s() ERESTARTSYS\n", __func__); + return -ERESTARTSYS; + } + } + + /* Pull the first buffer from the used list */ + ubuf = saa7164_vbi_next_buf(port); + + while ((count > 0) && ubuf) { + + /* set remaining bytes to copy */ + rem = ubuf->actual_size - ubuf->pos; + cnt = rem > count ? count : rem; + + p = ubuf->data + ubuf->pos; + + dprintk(DBGLVL_VBI, + "%s() count=%d cnt=%d rem=%d buf=%p buf->pos=%d\n", + __func__, (int)count, cnt, rem, ubuf, ubuf->pos); + + if (copy_to_user(buffer, p, cnt)) { + printk(KERN_ERR "%s() copy_to_user failed\n", __func__); + if (!ret) { + printk(KERN_ERR "%s() EFAULT\n", __func__); + ret = -EFAULT; + } + goto err; + } + + ubuf->pos += cnt; + count -= cnt; + buffer += cnt; + ret += cnt; + + if (ubuf->pos > ubuf->actual_size) + printk(KERN_ERR "read() pos > actual, huh?\n"); + + if (ubuf->pos == ubuf->actual_size) { + + /* finished with current buffer, take next buffer */ + + /* Requeue the buffer on the free list */ + ubuf->pos = 0; + + mutex_lock(&port->dmaqueue_lock); + list_move_tail(&ubuf->list, &port->list_buf_free.list); + mutex_unlock(&port->dmaqueue_lock); + + /* Dequeue next */ + if ((file->f_flags & O_NONBLOCK) == 0) { + if (wait_event_interruptible(port->wait_read, + saa7164_vbi_next_buf(port))) { + break; + } + } + ubuf = saa7164_vbi_next_buf(port); + } + } +err: + if (!ret && !ubuf) { + printk(KERN_ERR "%s() EAGAIN\n", __func__); + ret = -EAGAIN; + } + + return ret; +} + +static unsigned int fops_poll(struct file *file, poll_table *wait) +{ + struct saa7164_vbi_fh *fh = (struct saa7164_vbi_fh *)file->private_data; + struct saa7164_port *port = fh->port; + unsigned int mask = 0; + + port->last_poll_msecs_diff = port->last_poll_msecs; + port->last_poll_msecs = jiffies_to_msecs(jiffies); + port->last_poll_msecs_diff = port->last_poll_msecs - + port->last_poll_msecs_diff; + + saa7164_histogram_update(&port->poll_interval, + port->last_poll_msecs_diff); + + if (!video_is_registered(port->v4l_device)) + return -EIO; + + if (atomic_cmpxchg(&fh->v4l_reading, 0, 1) == 0) { + if (atomic_inc_return(&port->v4l_reader_count) == 1) { + if (saa7164_vbi_initialize(port) < 0) + return -EINVAL; + saa7164_vbi_start_streaming(port); + msleep(200); + } + } + + /* blocking wait for buffer */ + if ((file->f_flags & O_NONBLOCK) == 0) { + if (wait_event_interruptible(port->wait_read, + saa7164_vbi_next_buf(port))) { + return -ERESTARTSYS; + } + } + + /* Pull the first buffer from the used list */ + if (!list_empty(&port->list_buf_used.list)) + mask |= POLLIN | POLLRDNORM; + + return mask; +} +static const struct v4l2_file_operations vbi_fops = { + .owner = THIS_MODULE, + .open = fops_open, + .release = fops_release, + .read = fops_read, + .poll = fops_poll, + .unlocked_ioctl = video_ioctl2, +}; + +static const struct v4l2_ioctl_ops vbi_ioctl_ops = { + .vidioc_s_std = vidioc_s_std, + .vidioc_g_std = vidioc_g_std, + .vidioc_enum_input = vidioc_enum_input, + .vidioc_g_input = vidioc_g_input, + .vidioc_s_input = vidioc_s_input, + .vidioc_g_tuner = vidioc_g_tuner, + .vidioc_s_tuner = vidioc_s_tuner, + .vidioc_g_frequency = vidioc_g_frequency, + .vidioc_s_frequency = vidioc_s_frequency, + .vidioc_s_ctrl = vidioc_s_ctrl, + .vidioc_g_ctrl = vidioc_g_ctrl, + .vidioc_querycap = vidioc_querycap, + .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, + .vidioc_g_ext_ctrls = vidioc_g_ext_ctrls, + .vidioc_s_ext_ctrls = vidioc_s_ext_ctrls, + .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls, + .vidioc_queryctrl = vidioc_queryctrl, + .vidioc_g_fmt_vbi_cap = saa7164_vbi_fmt, + .vidioc_try_fmt_vbi_cap = saa7164_vbi_fmt, + .vidioc_s_fmt_vbi_cap = saa7164_vbi_fmt, +}; + +static struct video_device saa7164_vbi_template = { + .name = "saa7164", + .fops = &vbi_fops, + .ioctl_ops = &vbi_ioctl_ops, + .minor = -1, + .tvnorms = SAA7164_NORMS, +}; + +static struct video_device *saa7164_vbi_alloc( + struct saa7164_port *port, + struct pci_dev *pci, + struct video_device *template, + char *type) +{ + struct video_device *vfd; + struct saa7164_dev *dev = port->dev; + + dprintk(DBGLVL_VBI, "%s()\n", __func__); + + vfd = video_device_alloc(); + if (NULL == vfd) + return NULL; + + *vfd = *template; + snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name, + type, saa7164_boards[dev->board].name); + + vfd->v4l2_dev = &dev->v4l2_dev; + vfd->release = video_device_release; + return vfd; +} + +int saa7164_vbi_register(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + int result = -ENODEV; + + dprintk(DBGLVL_VBI, "%s()\n", __func__); + + if (port->type != SAA7164_MPEG_VBI) + BUG(); + + /* Sanity check that the PCI configuration space is active */ + if (port->hwcfg.BARLocation == 0) { + printk(KERN_ERR "%s() failed " + "(errno = %d), NO PCI configuration\n", + __func__, result); + result = -ENOMEM; + goto failed; + } + + /* Establish VBI defaults here */ + + /* Allocate and register the video device node */ + port->v4l_device = saa7164_vbi_alloc(port, + dev->pci, &saa7164_vbi_template, "vbi"); + + if (!port->v4l_device) { + printk(KERN_INFO "%s: can't allocate vbi device\n", + dev->name); + result = -ENOMEM; + goto failed; + } + + port->std = V4L2_STD_NTSC_M; + video_set_drvdata(port->v4l_device, port); + result = video_register_device(port->v4l_device, + VFL_TYPE_VBI, -1); + if (result < 0) { + printk(KERN_INFO "%s: can't register vbi device\n", + dev->name); + /* TODO: We're going to leak here if we don't dealloc + The buffers above. The unreg function can't deal wit it. + */ + goto failed; + } + + printk(KERN_INFO "%s: registered device vbi%d [vbi]\n", + dev->name, port->v4l_device->num); + + /* Configure the hardware defaults */ + + result = 0; +failed: + return result; +} + +void saa7164_vbi_unregister(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + + dprintk(DBGLVL_VBI, "%s(port=%d)\n", __func__, port->nr); + + if (port->type != SAA7164_MPEG_VBI) + BUG(); + + if (port->v4l_device) { + if (port->v4l_device->minor != -1) + video_unregister_device(port->v4l_device); + else + video_device_release(port->v4l_device); + + port->v4l_device = NULL; + } + +} diff --git a/kernel/drivers/media/pci/saa7164/saa7164.h b/kernel/drivers/media/pci/saa7164/saa7164.h new file mode 100644 index 000000000..cd1a07ce2 --- /dev/null +++ b/kernel/drivers/media/pci/saa7164/saa7164.h @@ -0,0 +1,619 @@ +/* + * Driver for the NXP SAA7164 PCIe bridge + * + * Copyright (c) 2010 Steven Toth <stoth@kernellabs.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +/* + Driver architecture + ******************* + + saa7164_core.c/buffer.c/cards.c/i2c.c/dvb.c + | : Standard Linux driver framework for creating + | : exposing and managing interfaces to the rest + | : of the kernel or userland. Also uses _fw.c to load + | : firmware direct into the PCIe bus, bypassing layers. + V + saa7164_api..() : Translate kernel specific functions/features + | : into command buffers. + V + saa7164_cmd..() : Manages the flow of command packets on/off, + | : the bus. Deal with bus errors, timeouts etc. + V + saa7164_bus..() : Manage a read/write memory ring buffer in the + | : PCIe Address space. + | + | saa7164_fw...() : Load any frimware + | | : direct into the device + V V + <- ----------------- PCIe address space -------------------- -> +*/ + +#include <linux/pci.h> +#include <linux/i2c.h> +#include <linux/kdev_t.h> +#include <linux/mutex.h> +#include <linux/crc32.h> +#include <linux/kthread.h> +#include <linux/freezer.h> + +#include <media/tuner.h> +#include <media/tveeprom.h> +#include <media/videobuf-dma-sg.h> +#include <media/videobuf-dvb.h> +#include <dvb_demux.h> +#include <dvb_frontend.h> +#include <dvb_net.h> +#include <dvbdev.h> +#include <dmxdev.h> +#include <media/v4l2-common.h> +#include <media/v4l2-ioctl.h> +#include <media/v4l2-device.h> + +#include "saa7164-reg.h" +#include "saa7164-types.h" + +#define SAA7164_MAXBOARDS 8 + +#define UNSET (-1U) +#define SAA7164_BOARD_NOAUTO UNSET +#define SAA7164_BOARD_UNKNOWN 0 +#define SAA7164_BOARD_UNKNOWN_REV2 1 +#define SAA7164_BOARD_UNKNOWN_REV3 2 +#define SAA7164_BOARD_HAUPPAUGE_HVR2250 3 +#define SAA7164_BOARD_HAUPPAUGE_HVR2200 4 +#define SAA7164_BOARD_HAUPPAUGE_HVR2200_2 5 +#define SAA7164_BOARD_HAUPPAUGE_HVR2200_3 6 +#define SAA7164_BOARD_HAUPPAUGE_HVR2250_2 7 +#define SAA7164_BOARD_HAUPPAUGE_HVR2250_3 8 +#define SAA7164_BOARD_HAUPPAUGE_HVR2200_4 9 +#define SAA7164_BOARD_HAUPPAUGE_HVR2200_5 10 + +#define SAA7164_MAX_UNITS 8 +#define SAA7164_TS_NUMBER_OF_LINES 312 +#define SAA7164_PS_NUMBER_OF_LINES 256 +#define SAA7164_PT_ENTRIES 16 /* (312 * 188) / 4096 */ +#define SAA7164_MAX_ENCODER_BUFFERS 64 /* max 5secs of latency at 6Mbps */ +#define SAA7164_MAX_VBI_BUFFERS 64 + +/* Port related defines */ +#define SAA7164_PORT_TS1 (0) +#define SAA7164_PORT_TS2 (SAA7164_PORT_TS1 + 1) +#define SAA7164_PORT_ENC1 (SAA7164_PORT_TS2 + 1) +#define SAA7164_PORT_ENC2 (SAA7164_PORT_ENC1 + 1) +#define SAA7164_PORT_VBI1 (SAA7164_PORT_ENC2 + 1) +#define SAA7164_PORT_VBI2 (SAA7164_PORT_VBI1 + 1) +#define SAA7164_MAX_PORTS (SAA7164_PORT_VBI2 + 1) + +#define DBGLVL_FW 4 +#define DBGLVL_DVB 8 +#define DBGLVL_I2C 16 +#define DBGLVL_API 32 +#define DBGLVL_CMD 64 +#define DBGLVL_BUS 128 +#define DBGLVL_IRQ 256 +#define DBGLVL_BUF 512 +#define DBGLVL_ENC 1024 +#define DBGLVL_VBI 2048 +#define DBGLVL_THR 4096 +#define DBGLVL_CPU 8192 + +#define SAA7164_NORMS \ + (V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_443) + +enum port_t { + SAA7164_MPEG_UNDEFINED = 0, + SAA7164_MPEG_DVB, + SAA7164_MPEG_ENCODER, + SAA7164_MPEG_VBI, +}; + +enum saa7164_i2c_bus_nr { + SAA7164_I2C_BUS_0 = 0, + SAA7164_I2C_BUS_1, + SAA7164_I2C_BUS_2, +}; + +enum saa7164_buffer_flags { + SAA7164_BUFFER_UNDEFINED = 0, + SAA7164_BUFFER_FREE, + SAA7164_BUFFER_BUSY, + SAA7164_BUFFER_FULL +}; + +enum saa7164_unit_type { + SAA7164_UNIT_UNDEFINED = 0, + SAA7164_UNIT_DIGITAL_DEMODULATOR, + SAA7164_UNIT_ANALOG_DEMODULATOR, + SAA7164_UNIT_TUNER, + SAA7164_UNIT_EEPROM, + SAA7164_UNIT_ZILOG_IRBLASTER, + SAA7164_UNIT_ENCODER, +}; + +/* The PCIe bridge doesn't grant direct access to i2c. + * Instead, you address i2c devices using a uniqely + * allocated 'unitid' value via a messaging API. This + * is a problem. The kernel and existing demod/tuner + * drivers expect to talk 'i2c', so we have to maintain + * a translation layer, and a series of functions to + * convert i2c bus + device address into a unit id. + */ +struct saa7164_unit { + enum saa7164_unit_type type; + u8 id; + char *name; + enum saa7164_i2c_bus_nr i2c_bus_nr; + u8 i2c_bus_addr; + u8 i2c_reg_len; +}; + +struct saa7164_board { + char *name; + enum port_t porta, portb, portc, + portd, porte, portf; + enum { + SAA7164_CHIP_UNDEFINED = 0, + SAA7164_CHIP_REV2, + SAA7164_CHIP_REV3, + } chiprev; + struct saa7164_unit unit[SAA7164_MAX_UNITS]; +}; + +struct saa7164_subid { + u16 subvendor; + u16 subdevice; + u32 card; +}; + +struct saa7164_encoder_fh { + struct saa7164_port *port; + atomic_t v4l_reading; +}; + +struct saa7164_vbi_fh { + struct saa7164_port *port; + atomic_t v4l_reading; +}; + +struct saa7164_histogram_bucket { + u32 val; + u32 count; + u64 update_time; +}; + +struct saa7164_histogram { + char name[32]; + struct saa7164_histogram_bucket counter1[64]; +}; + +struct saa7164_user_buffer { + struct list_head list; + + /* Attributes */ + u8 *data; + u32 pos; + u32 actual_size; + + u32 crc; +}; + +struct saa7164_fw_status { + + /* RISC Core details */ + u32 status; + u32 mode; + u32 spec; + u32 inst; + u32 cpuload; + u32 remainheap; + + /* Firmware version */ + u32 version; + u32 major; + u32 sub; + u32 rel; + u32 buildnr; +}; + +struct saa7164_dvb { + struct mutex lock; + struct dvb_adapter adapter; + struct dvb_frontend *frontend; + struct dvb_demux demux; + struct dmxdev dmxdev; + struct dmx_frontend fe_hw; + struct dmx_frontend fe_mem; + struct dvb_net net; + int feeding; +}; + +struct saa7164_i2c { + struct saa7164_dev *dev; + + enum saa7164_i2c_bus_nr nr; + + /* I2C I/O */ + struct i2c_adapter i2c_adap; + struct i2c_client i2c_client; + u32 i2c_rc; +}; + +struct saa7164_ctrl { + struct v4l2_queryctrl v; +}; + +struct saa7164_tvnorm { + char *name; + v4l2_std_id id; +}; + +struct saa7164_encoder_params { + struct saa7164_tvnorm encodernorm; + u32 height; + u32 width; + u32 is_50hz; + u32 bitrate; /* bps */ + u32 bitrate_peak; /* bps */ + u32 bitrate_mode; + u32 stream_type; /* V4L2_MPEG_STREAM_TYPE_MPEG2_TS */ + + u32 audio_sampling_freq; + u32 ctl_mute; + u32 ctl_aspect; + u32 refdist; + u32 gop_size; +}; + +struct saa7164_vbi_params { + struct saa7164_tvnorm encodernorm; + u32 height; + u32 width; + u32 is_50hz; + u32 bitrate; /* bps */ + u32 bitrate_peak; /* bps */ + u32 bitrate_mode; + u32 stream_type; /* V4L2_MPEG_STREAM_TYPE_MPEG2_TS */ + + u32 audio_sampling_freq; + u32 ctl_mute; + u32 ctl_aspect; + u32 refdist; + u32 gop_size; +}; + +struct saa7164_port; + +struct saa7164_buffer { + struct list_head list; + + /* Note of which h/w buffer list index position we occupy */ + int idx; + + struct saa7164_port *port; + + /* Hardware Specific */ + /* PCI Memory allocations */ + enum saa7164_buffer_flags flags; /* Free, Busy, Full */ + + /* A block of page align PCI memory */ + u32 pci_size; /* PCI allocation size in bytes */ + u64 *cpu; /* Virtual address */ + dma_addr_t dma; /* Physical address */ + u32 crc; /* Checksum for the entire buffer data */ + + /* A page table that splits the block into a number of entries */ + u32 pt_size; /* PCI allocation size in bytes */ + u64 *pt_cpu; /* Virtual address */ + dma_addr_t pt_dma; /* Physical address */ + + /* Encoder fops */ + u32 pos; + u32 actual_size; +}; + +struct saa7164_port { + + struct saa7164_dev *dev; + enum port_t type; + int nr; + + /* --- Generic port attributes --- */ + + /* HW stream parameters */ + struct tmHWStreamParameters hw_streamingparams; + + /* DMA configuration values, is seeded during initialization */ + struct tmComResDMATermDescrHeader hwcfg; + + /* hardware specific registers */ + u32 bufcounter; + u32 pitch; + u32 bufsize; + u32 bufoffset; + u32 bufptr32l; + u32 bufptr32h; + u64 bufptr64; + + u32 numpte; /* Number of entries in array, only valid in head */ + + struct mutex dmaqueue_lock; + struct saa7164_buffer dmaqueue; + + u64 last_irq_msecs, last_svc_msecs; + u64 last_irq_msecs_diff, last_svc_msecs_diff; + u32 last_svc_wp; + u32 last_svc_rp; + u64 last_irq_svc_msecs_diff; + u64 last_read_msecs, last_read_msecs_diff; + u64 last_poll_msecs, last_poll_msecs_diff; + + struct saa7164_histogram irq_interval; + struct saa7164_histogram svc_interval; + struct saa7164_histogram irq_svc_interval; + struct saa7164_histogram read_interval; + struct saa7164_histogram poll_interval; + + /* --- DVB Transport Specific --- */ + struct saa7164_dvb dvb; + + /* --- Encoder/V4L related attributes --- */ + /* Encoder */ + /* Defaults established in saa7164-encoder.c */ + struct saa7164_tvnorm encodernorm; + v4l2_std_id std; + u32 height; + u32 width; + u32 freq; + u32 ts_packet_size; + u32 ts_packet_count; + u8 mux_input; + u8 encoder_profile; + u8 video_format; + u8 audio_format; + u8 video_resolution; + u16 ctl_brightness; + u16 ctl_contrast; + u16 ctl_hue; + u16 ctl_saturation; + u16 ctl_sharpness; + s8 ctl_volume; + + struct tmComResAFeatureDescrHeader audfeat; + struct tmComResEncoderDescrHeader encunit; + struct tmComResProcDescrHeader vidproc; + struct tmComResExtDevDescrHeader ifunit; + struct tmComResTunerDescrHeader tunerunit; + + struct work_struct workenc; + + /* V4L Encoder Video */ + struct saa7164_encoder_params encoder_params; + struct video_device *v4l_device; + atomic_t v4l_reader_count; + + struct saa7164_buffer list_buf_used; + struct saa7164_buffer list_buf_free; + wait_queue_head_t wait_read; + + /* V4L VBI */ + struct tmComResVBIFormatDescrHeader vbi_fmt_ntsc; + struct saa7164_vbi_params vbi_params; + + /* Debug */ + u32 sync_errors; + u32 v_cc_errors; + u32 a_cc_errors; + u8 last_v_cc; + u8 last_a_cc; + u32 done_first_interrupt; +}; + +struct saa7164_dev { + struct list_head devlist; + atomic_t refcount; + + struct v4l2_device v4l2_dev; + + /* pci stuff */ + struct pci_dev *pci; + unsigned char pci_rev, pci_lat; + int pci_bus, pci_slot; + u32 __iomem *lmmio; + u8 __iomem *bmmio; + u32 __iomem *lmmio2; + u8 __iomem *bmmio2; + int pci_irqmask; + + /* board details */ + int nr; + int hwrevision; + u32 board; + char name[16]; + + /* firmware status */ + struct saa7164_fw_status fw_status; + u32 firmwareloaded; + + struct tmComResHWDescr hwdesc; + struct tmComResInterfaceDescr intfdesc; + struct tmComResBusDescr busdesc; + + struct tmComResBusInfo bus; + + /* Interrupt status and ack registers */ + u32 int_status; + u32 int_ack; + + struct cmd cmds[SAA_CMD_MAX_MSG_UNITS]; + struct mutex lock; + + /* I2c related */ + struct saa7164_i2c i2c_bus[3]; + + /* Transport related */ + struct saa7164_port ports[SAA7164_MAX_PORTS]; + + /* Deferred command/api interrupts handling */ + struct work_struct workcmd; + + /* A kernel thread to monitor the firmware log, used + * only in debug mode. + */ + struct task_struct *kthread; + +}; + +extern struct list_head saa7164_devlist; +extern unsigned int waitsecs; +extern unsigned int encoder_buffers; +extern unsigned int vbi_buffers; + +/* ----------------------------------------------------------- */ +/* saa7164-core.c */ +void saa7164_dumpregs(struct saa7164_dev *dev, u32 addr); +void saa7164_getfirmwarestatus(struct saa7164_dev *dev); +u32 saa7164_getcurrentfirmwareversion(struct saa7164_dev *dev); +void saa7164_histogram_update(struct saa7164_histogram *hg, u32 val); + +/* ----------------------------------------------------------- */ +/* saa7164-fw.c */ +int saa7164_downloadfirmware(struct saa7164_dev *dev); + +/* ----------------------------------------------------------- */ +/* saa7164-i2c.c */ +extern int saa7164_i2c_register(struct saa7164_i2c *bus); +extern int saa7164_i2c_unregister(struct saa7164_i2c *bus); +extern void saa7164_call_i2c_clients(struct saa7164_i2c *bus, + unsigned int cmd, void *arg); + +/* ----------------------------------------------------------- */ +/* saa7164-bus.c */ +int saa7164_bus_setup(struct saa7164_dev *dev); +void saa7164_bus_dump(struct saa7164_dev *dev); +int saa7164_bus_set(struct saa7164_dev *dev, struct tmComResInfo* msg, + void *buf); +int saa7164_bus_get(struct saa7164_dev *dev, struct tmComResInfo* msg, + void *buf, int peekonly); + +/* ----------------------------------------------------------- */ +/* saa7164-cmd.c */ +int saa7164_cmd_send(struct saa7164_dev *dev, + u8 id, enum tmComResCmd command, u16 controlselector, + u16 size, void *buf); +void saa7164_cmd_signal(struct saa7164_dev *dev, u8 seqno); +int saa7164_irq_dequeue(struct saa7164_dev *dev); + +/* ----------------------------------------------------------- */ +/* saa7164-api.c */ +int saa7164_api_get_fw_version(struct saa7164_dev *dev, u32 *version); +int saa7164_api_enum_subdevs(struct saa7164_dev *dev); +int saa7164_api_i2c_read(struct saa7164_i2c *bus, u8 addr, u32 reglen, u8 *reg, + u32 datalen, u8 *data); +int saa7164_api_i2c_write(struct saa7164_i2c *bus, u8 addr, + u32 datalen, u8 *data); +int saa7164_api_dif_write(struct saa7164_i2c *bus, u8 addr, + u32 datalen, u8 *data); +int saa7164_api_read_eeprom(struct saa7164_dev *dev, u8 *buf, int buflen); +int saa7164_api_set_gpiobit(struct saa7164_dev *dev, u8 unitid, u8 pin); +int saa7164_api_clear_gpiobit(struct saa7164_dev *dev, u8 unitid, u8 pin); +int saa7164_api_transition_port(struct saa7164_port *port, u8 mode); +int saa7164_api_initialize_dif(struct saa7164_port *port); +int saa7164_api_configure_dif(struct saa7164_port *port, u32 std); +int saa7164_api_set_encoder(struct saa7164_port *port); +int saa7164_api_get_encoder(struct saa7164_port *port); +int saa7164_api_set_aspect_ratio(struct saa7164_port *port); +int saa7164_api_set_usercontrol(struct saa7164_port *port, u8 ctl); +int saa7164_api_get_usercontrol(struct saa7164_port *port, u8 ctl); +int saa7164_api_set_videomux(struct saa7164_port *port); +int saa7164_api_audio_mute(struct saa7164_port *port, int mute); +int saa7164_api_set_audio_volume(struct saa7164_port *port, s8 level); +int saa7164_api_set_audio_std(struct saa7164_port *port); +int saa7164_api_set_audio_detection(struct saa7164_port *port, int autodetect); +int saa7164_api_get_videomux(struct saa7164_port *port); +int saa7164_api_set_vbi_format(struct saa7164_port *port); +int saa7164_api_set_debug(struct saa7164_dev *dev, u8 level); +int saa7164_api_collect_debug(struct saa7164_dev *dev); +int saa7164_api_get_load_info(struct saa7164_dev *dev, + struct tmFwInfoStruct *i); + +/* ----------------------------------------------------------- */ +/* saa7164-cards.c */ +extern struct saa7164_board saa7164_boards[]; +extern const unsigned int saa7164_bcount; + +extern struct saa7164_subid saa7164_subids[]; +extern const unsigned int saa7164_idcount; + +extern void saa7164_card_list(struct saa7164_dev *dev); +extern void saa7164_gpio_setup(struct saa7164_dev *dev); +extern void saa7164_card_setup(struct saa7164_dev *dev); + +extern int saa7164_i2caddr_to_reglen(struct saa7164_i2c *bus, int addr); +extern int saa7164_i2caddr_to_unitid(struct saa7164_i2c *bus, int addr); +extern char *saa7164_unitid_name(struct saa7164_dev *dev, u8 unitid); + +/* ----------------------------------------------------------- */ +/* saa7164-dvb.c */ +extern int saa7164_dvb_register(struct saa7164_port *port); +extern int saa7164_dvb_unregister(struct saa7164_port *port); + +/* ----------------------------------------------------------- */ +/* saa7164-buffer.c */ +extern struct saa7164_buffer *saa7164_buffer_alloc( + struct saa7164_port *port, u32 len); +extern int saa7164_buffer_dealloc(struct saa7164_buffer *buf); +extern void saa7164_buffer_display(struct saa7164_buffer *buf); +extern int saa7164_buffer_activate(struct saa7164_buffer *buf, int i); +extern int saa7164_buffer_cfg_port(struct saa7164_port *port); +extern struct saa7164_user_buffer *saa7164_buffer_alloc_user( + struct saa7164_dev *dev, u32 len); +extern void saa7164_buffer_dealloc_user(struct saa7164_user_buffer *buf); +extern int saa7164_buffer_zero_offsets(struct saa7164_port *port, int i); + +/* ----------------------------------------------------------- */ +/* saa7164-encoder.c */ +int saa7164_encoder_register(struct saa7164_port *port); +void saa7164_encoder_unregister(struct saa7164_port *port); + +/* ----------------------------------------------------------- */ +/* saa7164-vbi.c */ +int saa7164_vbi_register(struct saa7164_port *port); +void saa7164_vbi_unregister(struct saa7164_port *port); + +/* ----------------------------------------------------------- */ + +extern unsigned int crc_checking; + +extern unsigned int saa_debug; +#define dprintk(level, fmt, arg...)\ + do { if (saa_debug & level)\ + printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\ + } while (0) + +#define log_warn(fmt, arg...)\ + do { \ + printk(KERN_WARNING "%s: " fmt, dev->name, ## arg);\ + } while (0) + +#define saa7164_readl(reg) readl(dev->lmmio + ((reg) >> 2)) +#define saa7164_writel(reg, value) writel((value), dev->lmmio + ((reg) >> 2)) + +#define saa7164_readb(reg) readl(dev->bmmio + (reg)) +#define saa7164_writeb(reg, value) writel((value), dev->bmmio + (reg)) + |