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/* * cx18 driver internal defines and structures * * Derived from ivtv-driver.h * * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> * * 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., 59 Temple Place, Suite 330, Boston, MA * 02111-1307 USA */ #ifndef CX18_DRIVER_H #define CX18_DRIVER_H #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/sched.h> #include <linux/fs.h> #include <linux/pci.h> #include <linux/interrupt.h> #include <linux/spinlock.h> #include <linux/i2c.h> #include <linux/i2c-algo-bit.h> #include <linux/list.h> #include <linux/unistd.h> #include <linux/pagemap.h> #include <linux/workqueue.h> #include <linux/mutex.h> #include <linux/slab.h> #include <asm/byteorder.h> #include <media/v4l2-common.h> #include <media/v4l2-ioctl.h> #include <media/v4l2-device.h> #include <media/v4l2-fh.h> #include <media/tuner.h> #include <media/ir-kbd-i2c.h> #include "cx18-mailbox.h" #include "cx18-av-core.h" #include "cx23418.h" /* DVB */ #include "demux.h" #include "dmxdev.h" #include "dvb_demux.h" #include "dvb_frontend.h" #include "dvb_net.h" #include "dvbdev.h" /* Videobuf / YUV support */ #include <media/videobuf-core.h> #include <media/videobuf-vmalloc.h> #ifndef CONFIG_PCI # error "This driver requires kernel PCI support." #endif #define CX18_MEM_OFFSET 0x00000000 #define CX18_MEM_SIZE 0x04000000 #define CX18_REG_OFFSET 0x02000000 /* Maximum cx18 driver instances. */ #define CX18_MAX_CARDS 32 /* Supported cards */ #define CX18_CARD_HVR_1600_ESMT 0 /* Hauppauge HVR 1600 (ESMT memory) */ #define CX18_CARD_HVR_1600_SAMSUNG 1 /* Hauppauge HVR 1600 (Samsung memory) */ #define CX18_CARD_COMPRO_H900 2 /* Compro VideoMate H900 */ #define CX18_CARD_YUAN_MPC718 3 /* Yuan MPC718 */ #define CX18_CARD_CNXT_RAPTOR_PAL 4 /* Conexant Raptor PAL */ #define CX18_CARD_TOSHIBA_QOSMIO_DVBT 5 /* Toshiba Qosmio Interal DVB-T/Analog*/ #define CX18_CARD_LEADTEK_PVR2100 6 /* Leadtek WinFast PVR2100 */ #define CX18_CARD_LEADTEK_DVR3100H 7 /* Leadtek WinFast DVR3100 H */ #define CX18_CARD_GOTVIEW_PCI_DVD3 8 /* GoTView PCI DVD3 Hybrid */ #define CX18_CARD_HVR_1600_S5H1411 9 /* Hauppauge HVR 1600 s5h1411/tda18271*/ #define CX18_CARD_LAST 9 #define CX18_ENC_STREAM_TYPE_MPG 0 #define CX18_ENC_STREAM_TYPE_TS 1 #define CX18_ENC_STREAM_TYPE_YUV 2 #define CX18_ENC_STREAM_TYPE_VBI 3 #define CX18_ENC_STREAM_TYPE_PCM 4 #define CX18_ENC_STREAM_TYPE_IDX 5 #define CX18_ENC_STREAM_TYPE_RAD 6 #define CX18_MAX_STREAMS 7 /* system vendor and device IDs */ #define PCI_VENDOR_ID_CX 0x14f1 #define PCI_DEVICE_ID_CX23418 0x5b7a /* subsystem vendor ID */ #define CX18_PCI_ID_HAUPPAUGE 0x0070 #define CX18_PCI_ID_COMPRO 0x185b #define CX18_PCI_ID_YUAN 0x12ab #define CX18_PCI_ID_CONEXANT 0x14f1 #define CX18_PCI_ID_TOSHIBA 0x1179 #define CX18_PCI_ID_LEADTEK 0x107D #define CX18_PCI_ID_GOTVIEW 0x5854 /* ======================================================================== */ /* ========================== START USER SETTABLE DMA VARIABLES =========== */ /* ======================================================================== */ /* DMA Buffers, Default size in MB allocated */ #define CX18_DEFAULT_ENC_TS_BUFFERS 1 #define CX18_DEFAULT_ENC_MPG_BUFFERS 2 #define CX18_DEFAULT_ENC_IDX_BUFFERS 1 #define CX18_DEFAULT_ENC_YUV_BUFFERS 2 #define CX18_DEFAULT_ENC_VBI_BUFFERS 1 #define CX18_DEFAULT_ENC_PCM_BUFFERS 1 /* Maximum firmware DMA buffers per stream */ #define CX18_MAX_FW_MDLS_PER_STREAM 63 /* YUV buffer sizes in bytes to ensure integer # of frames per buffer */ #define CX18_UNIT_ENC_YUV_BUFSIZE (720 * 32 * 3 / 2) /* bytes */ #define CX18_625_LINE_ENC_YUV_BUFSIZE (CX18_UNIT_ENC_YUV_BUFSIZE * 576/32) #define CX18_525_LINE_ENC_YUV_BUFSIZE (CX18_UNIT_ENC_YUV_BUFSIZE * 480/32) /* IDX buffer size should be a multiple of the index entry size from the chip */ struct cx18_enc_idx_entry { __le32 length; __le32 offset_low; __le32 offset_high; __le32 flags; __le32 pts_low; __le32 pts_high; } __attribute__ ((packed)); #define CX18_UNIT_ENC_IDX_BUFSIZE \ (sizeof(struct cx18_enc_idx_entry) * V4L2_ENC_IDX_ENTRIES) /* DMA buffer, default size in kB allocated */ #define CX18_DEFAULT_ENC_TS_BUFSIZE 32 #define CX18_DEFAULT_ENC_MPG_BUFSIZE 32 #define CX18_DEFAULT_ENC_IDX_BUFSIZE (CX18_UNIT_ENC_IDX_BUFSIZE * 1 / 1024 + 1) #define CX18_DEFAULT_ENC_YUV_BUFSIZE (CX18_UNIT_ENC_YUV_BUFSIZE * 3 / 1024 + 1) #define CX18_DEFAULT_ENC_PCM_BUFSIZE 4 /* i2c stuff */ #define I2C_CLIENTS_MAX 16 /* debugging */ /* Flag to turn on high volume debugging */ #define CX18_DBGFLG_WARN (1 << 0) #define CX18_DBGFLG_INFO (1 << 1) #define CX18_DBGFLG_API (1 << 2) #define CX18_DBGFLG_DMA (1 << 3) #define CX18_DBGFLG_IOCTL (1 << 4) #define CX18_DBGFLG_FILE (1 << 5) #define CX18_DBGFLG_I2C (1 << 6) #define CX18_DBGFLG_IRQ (1 << 7) /* Flag to turn on high volume debugging */ #define CX18_DBGFLG_HIGHVOL (1 << 8) /* NOTE: extra space before comma in 'fmt , ## args' is required for gcc-2.95, otherwise it won't compile. */ #define CX18_DEBUG(x, type, fmt, args...) \ do { \ if ((x) & cx18_debug) \ v4l2_info(&cx->v4l2_dev, " " type ": " fmt , ## args); \ } while (0) #define CX18_DEBUG_WARN(fmt, args...) CX18_DEBUG(CX18_DBGFLG_WARN, "warning", fmt , ## args) #define CX18_DEBUG_INFO(fmt, args...) CX18_DEBUG(CX18_DBGFLG_INFO, "info", fmt , ## args) #define CX18_DEBUG_API(fmt, args...) CX18_DEBUG(CX18_DBGFLG_API, "api", fmt , ## args) #define CX18_DEBUG_DMA(fmt, args...) CX18_DEBUG(CX18_DBGFLG_DMA, "dma", fmt , ## args) #define CX18_DEBUG_IOCTL(fmt, args...) CX18_DEBUG(CX18_DBGFLG_IOCTL, "ioctl", fmt , ## args) #define CX18_DEBUG_FILE(fmt, args...) CX18_DEBUG(CX18_DBGFLG_FILE, "file", fmt , ## args) #define CX18_DEBUG_I2C(fmt, args...) CX18_DEBUG(CX18_DBGFLG_I2C, "i2c", fmt , ## args) #define CX18_DEBUG_IRQ(fmt, args...) CX18_DEBUG(CX18_DBGFLG_IRQ, "irq", fmt , ## args) #define CX18_DEBUG_HIGH_VOL(x, type, fmt, args...) \ do { \ if (((x) & cx18_debug) && (cx18_debug & CX18_DBGFLG_HIGHVOL)) \ v4l2_info(&cx->v4l2_dev, " " type ": " fmt , ## args); \ } while (0) #define CX18_DEBUG_HI_WARN(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_WARN, "warning", fmt , ## args) #define CX18_DEBUG_HI_INFO(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_INFO, "info", fmt , ## args) #define CX18_DEBUG_HI_API(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_API, "api", fmt , ## args) #define CX18_DEBUG_HI_DMA(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_DMA, "dma", fmt , ## args) #define CX18_DEBUG_HI_IOCTL(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_IOCTL, "ioctl", fmt , ## args) #define CX18_DEBUG_HI_FILE(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_FILE, "file", fmt , ## args) #define CX18_DEBUG_HI_I2C(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_I2C, "i2c", fmt , ## args) #define CX18_DEBUG_HI_IRQ(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_IRQ, "irq", fmt , ## args) /* Standard kernel messages */ #define CX18_ERR(fmt, args...) v4l2_err(&cx->v4l2_dev, fmt , ## args) #define CX18_WARN(fmt, args...) v4l2_warn(&cx->v4l2_dev, fmt , ## args) #define CX18_INFO(fmt, args...) v4l2_info(&cx->v4l2_dev, fmt , ## args) /* Messages for internal subdevs to use */ #define CX18_DEBUG_DEV(x, dev, type, fmt, args...) \ do { \ if ((x) & cx18_debug) \ v4l2_info(dev, " " type ": " fmt , ## args); \ } while (0) #define CX18_DEBUG_WARN_DEV(dev, fmt, args...) \ CX18_DEBUG_DEV(CX18_DBGFLG_WARN, dev, "warning", fmt , ## args) #define CX18_DEBUG_INFO_DEV(dev, fmt, args...) \ CX18_DEBUG_DEV(CX18_DBGFLG_INFO, dev, "info", fmt , ## args) #define CX18_DEBUG_API_DEV(dev, fmt, args...) \ CX18_DEBUG_DEV(CX18_DBGFLG_API, dev, "api", fmt , ## args) #define CX18_DEBUG_DMA_DEV(dev, fmt, args...) \ CX18_DEBUG_DEV(CX18_DBGFLG_DMA, dev, "dma", fmt , ## args) #define CX18_DEBUG_IOCTL_DEV(dev, fmt, args...) \ CX18_DEBUG_DEV(CX18_DBGFLG_IOCTL, dev, "ioctl", fmt , ## args) #define CX18_DEBUG_FILE_DEV(dev, fmt, args...) \ CX18_DEBUG_DEV(CX18_DBGFLG_FILE, dev, "file", fmt , ## args) #define CX18_DEBUG_I2C_DEV(dev, fmt, args...) \ CX18_DEBUG_DEV(CX18_DBGFLG_I2C, dev, "i2c", fmt , ## args) #define CX18_DEBUG_IRQ_DEV(dev, fmt, args...) \ CX18_DEBUG_DEV(CX18_DBGFLG_IRQ, dev, "irq", fmt , ## args) #define CX18_DEBUG_HIGH_VOL_DEV(x, dev, type, fmt, args...) \ do { \ if (((x) & cx18_debug) && (cx18_debug & CX18_DBGFLG_HIGHVOL)) \ v4l2_info(dev, " " type ": " fmt , ## args); \ } while (0) #define CX18_DEBUG_HI_WARN_DEV(dev, fmt, args...) \ CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_WARN, dev, "warning", fmt , ## args) #define CX18_DEBUG_HI_INFO_DEV(dev, fmt, args...) \ CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_INFO, dev, "info", fmt , ## args) #define CX18_DEBUG_HI_API_DEV(dev, fmt, args...) \ CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_API, dev, "api", fmt , ## args) #define CX18_DEBUG_HI_DMA_DEV(dev, fmt, args...) \ CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_DMA, dev, "dma", fmt , ## args) #define CX18_DEBUG_HI_IOCTL_DEV(dev, fmt, args...) \ CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_IOCTL, dev, "ioctl", fmt , ## args) #define CX18_DEBUG_HI_FILE_DEV(dev, fmt, args...) \ CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_FILE, dev, "file", fmt , ## args) #define CX18_DEBUG_HI_I2C_DEV(dev, fmt, args...) \ CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_I2C, dev, "i2c", fmt , ## args) #define CX18_DEBUG_HI_IRQ_DEV(dev, fmt, args...) \ CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_IRQ, dev, "irq", fmt , ## args) #define CX18_ERR_DEV(dev, fmt, args...) v4l2_err(dev, fmt , ## args) #define CX18_WARN_DEV(dev, fmt, args...) v4l2_warn(dev, fmt , ## args) #define CX18_INFO_DEV(dev, fmt, args...) v4l2_info(dev, fmt , ## args) extern int cx18_debug; struct cx18_options { int megabytes[CX18_MAX_STREAMS]; /* Size in megabytes of each stream */ int cardtype; /* force card type on load */ int tuner; /* set tuner on load */ int radio; /* enable/disable radio */ }; /* per-mdl bit flags */ #define CX18_F_M_NEED_SWAP 0 /* mdl buffer data must be endianness swapped */ /* per-stream, s_flags */ #define CX18_F_S_CLAIMED 3 /* this stream is claimed */ #define CX18_F_S_STREAMING 4 /* the fw is decoding/encoding this stream */ #define CX18_F_S_INTERNAL_USE 5 /* this stream is used internally (sliced VBI processing) */ #define CX18_F_S_STREAMOFF 7 /* signal end of stream EOS */ #define CX18_F_S_APPL_IO 8 /* this stream is used read/written by an application */ #define CX18_F_S_STOPPING 9 /* telling the fw to stop capturing */ /* per-cx18, i_flags */ #define CX18_F_I_LOADED_FW 0 /* Loaded firmware 1st time */ #define CX18_F_I_EOS 4 /* End of encoder stream */ #define CX18_F_I_RADIO_USER 5 /* radio tuner is selected */ #define CX18_F_I_ENC_PAUSED 13 /* the encoder is paused */ #define CX18_F_I_INITED 21 /* set after first open */ #define CX18_F_I_FAILED 22 /* set if first open failed */ /* These are the VBI types as they appear in the embedded VBI private packets. */ #define CX18_SLICED_TYPE_TELETEXT_B (1) #define CX18_SLICED_TYPE_CAPTION_525 (4) #define CX18_SLICED_TYPE_WSS_625 (5) #define CX18_SLICED_TYPE_VPS (7) /** * list_entry_is_past_end - check if a previous loop cursor is off list end * @pos: the type * previously used as a loop cursor. * @head: the head for your list. * @member: the name of the list_head within the struct. * * Check if the entry's list_head is the head of the list, thus it's not a * real entry but was the loop cursor that walked past the end */ #define list_entry_is_past_end(pos, head, member) \ (&pos->member == (head)) struct cx18_buffer { struct list_head list; dma_addr_t dma_handle; char *buf; u32 bytesused; u32 readpos; }; struct cx18_mdl { struct list_head list; u32 id; /* index into cx->scb->cpu_mdl[] of 1st cx18_mdl_ent */ unsigned int skipped; unsigned long m_flags; struct list_head buf_list; struct cx18_buffer *curr_buf; /* current buffer in list for reading */ u32 bytesused; u32 readpos; }; struct cx18_queue { struct list_head list; atomic_t depth; u32 bytesused; spinlock_t lock; }; struct cx18_stream; /* forward reference */ struct cx18_dvb { struct cx18_stream *stream; struct dmx_frontend hw_frontend; struct dmx_frontend mem_frontend; struct dmxdev dmxdev; struct dvb_adapter dvb_adapter; struct dvb_demux demux; struct dvb_frontend *fe; struct dvb_net dvbnet; int enabled; int feeding; struct mutex feedlock; }; struct cx18; /* forward reference */ struct cx18_scb; /* forward reference */ #define CX18_MAX_MDL_ACKS 2 #define CX18_MAX_IN_WORK_ORDERS (CX18_MAX_FW_MDLS_PER_STREAM + 7) /* CPU_DE_RELEASE_MDL can burst CX18_MAX_FW_MDLS_PER_STREAM orders in a group */ #define CX18_F_EWO_MB_STALE_UPON_RECEIPT 0x1 #define CX18_F_EWO_MB_STALE_WHILE_PROC 0x2 #define CX18_F_EWO_MB_STALE \ (CX18_F_EWO_MB_STALE_UPON_RECEIPT | CX18_F_EWO_MB_STALE_WHILE_PROC) struct cx18_in_work_order { struct work_struct work; atomic_t pending; struct cx18 *cx; unsigned long flags; int rpu; struct cx18_mailbox mb; struct cx18_mdl_ack mdl_ack[CX18_MAX_MDL_ACKS]; char *str; }; #define CX18_INVALID_TASK_HANDLE 0xffffffff struct cx18_stream { /* These first five fields are always set, even if the stream is not actually created. */ struct video_device video_dev; /* v4l2_dev is NULL when stream not created */ struct cx18_dvb *dvb; /* DVB / Digital Transport */ struct cx18 *cx; /* for ease of use */ const char *name; /* name of the stream */ int type; /* stream type */ u32 handle; /* task handle */ u32 v4l2_dev_caps; /* device capabilities */ unsigned int mdl_base_idx; u32 id; unsigned long s_flags; /* status flags, see above */ int dma; /* can be PCI_DMA_TODEVICE, PCI_DMA_FROMDEVICE or PCI_DMA_NONE */ wait_queue_head_t waitq; /* Buffers */ struct list_head buf_pool; /* buffers not attached to an MDL */ u32 buffers; /* total buffers owned by this stream */ u32 buf_size; /* size in bytes of a single buffer */ /* MDL sizes - all stream MDLs are the same size */ u32 bufs_per_mdl; u32 mdl_size; /* total bytes in all buffers in a mdl */ /* MDL Queues */ struct cx18_queue q_free; /* free - in rotation, not committed */ struct cx18_queue q_busy; /* busy - in use by firmware */ struct cx18_queue q_full; /* full - data for user apps */ struct cx18_queue q_idle; /* idle - not in rotation */ struct work_struct out_work_order; /* Videobuf for YUV video */ u32 pixelformat; u32 vb_bytes_per_frame; u32 vb_bytes_per_line; struct list_head vb_capture; /* video capture queue */ spinlock_t vb_lock; struct timer_list vb_timeout; struct videobuf_queue vbuf_q; spinlock_t vbuf_q_lock; /* Protect vbuf_q */ enum v4l2_buf_type vb_type; }; struct cx18_videobuf_buffer { /* Common video buffer sub-system struct */ struct videobuf_buffer vb; v4l2_std_id tvnorm; /* selected tv norm */ u32 bytes_used; }; struct cx18_open_id { struct v4l2_fh fh; u32 open_id; int type; struct cx18 *cx; }; static inline struct cx18_open_id *fh2id(struct v4l2_fh *fh) { return container_of(fh, struct cx18_open_id, fh); } static inline struct cx18_open_id *file2id(struct file *file) { return fh2id(file->private_data); } /* forward declaration of struct defined in cx18-cards.h */ struct cx18_card; /* * A note about "sliced" VBI data as implemented in this driver: * * Currently we collect the sliced VBI in the form of Ancillary Data * packets, inserted by the AV core decoder/digitizer/slicer in the * horizontal blanking region of the VBI lines, in "raw" mode as far as * the Encoder is concerned. We don't ever tell the Encoder itself * to provide sliced VBI. (AV Core: sliced mode - Encoder: raw mode) * * We then process the ancillary data ourselves to send the sliced data * to the user application directly or build up MPEG-2 private stream 1 * packets to splice into (only!) MPEG-2 PS streams for the user app. * * (That's how ivtv essentially does it.) * * The Encoder should be able to extract certain sliced VBI data for * us and provide it in a separate stream or splice it into any type of * MPEG PS or TS stream, but this isn't implemented yet. */ /* * Number of "raw" VBI samples per horizontal line we tell the Encoder to * grab from the decoder/digitizer/slicer output for raw or sliced VBI. * It depends on the pixel clock and the horiz rate: * * (1/Fh)*(2*Fp) = Samples/line * = 4 bytes EAV + Anc data in hblank + 4 bytes SAV + active samples * * Sliced VBI data is sent as ancillary data during horizontal blanking * Raw VBI is sent as active video samples during vertcal blanking * * We use a BT.656 pxiel clock of 13.5 MHz and a BT.656 active line * length of 720 pixels @ 4:2:2 sampling. Thus... * * For systems that use a 15.734 kHz horizontal rate, such as * NTSC-M, PAL-M, PAL-60, and other 60 Hz/525 line systems, we have: * * (1/15.734 kHz) * 2 * 13.5 MHz = 1716 samples/line = * 4 bytes SAV + 268 bytes anc data + 4 bytes SAV + 1440 active samples * * For systems that use a 15.625 kHz horizontal rate, such as * PAL-B/G/H, PAL-I, SECAM-L and other 50 Hz/625 line systems, we have: * * (1/15.625 kHz) * 2 * 13.5 MHz = 1728 samples/line = * 4 bytes SAV + 280 bytes anc data + 4 bytes SAV + 1440 active samples */ static const u32 vbi_active_samples = 1444; /* 4 byte SAV + 720 Y + 720 U/V */ static const u32 vbi_hblank_samples_60Hz = 272; /* 4 byte EAV + 268 anc/fill */ static const u32 vbi_hblank_samples_50Hz = 284; /* 4 byte EAV + 280 anc/fill */ #define CX18_VBI_FRAMES 32 struct vbi_info { /* Current state of v4l2 VBI settings for this device */ struct v4l2_format in; struct v4l2_sliced_vbi_format *sliced_in; /* pointer to in.fmt.sliced */ u32 count; /* Count of VBI data lines: 60 Hz: 12 or 50 Hz: 18 */ u32 start[2]; /* First VBI data line per field: 10 & 273 or 6 & 318 */ u32 frame; /* Count of VBI buffers/frames received from Encoder */ /* * Vars for creation and insertion of MPEG Private Stream 1 packets * of sliced VBI data into an MPEG PS */ /* Boolean: create and insert Private Stream 1 packets into the PS */ int insert_mpeg; /* * Buffer for the maximum of 2 * 18 * packet_size sliced VBI lines. * Used in cx18-vbi.c only for collecting sliced data, and as a source * during conversion of sliced VBI data into MPEG Priv Stream 1 packets. * We don't need to save state here, but the array may have been a bit * too big (2304 bytes) to alloc from the stack. */ struct v4l2_sliced_vbi_data sliced_data[36]; /* * A ring buffer of driver-generated MPEG-2 PS * Program Pack/Private Stream 1 packets for sliced VBI data insertion * into the MPEG PS stream. * * In each sliced_mpeg_data[] buffer is: * 16 byte MPEG-2 PS Program Pack Header * 16 byte MPEG-2 Private Stream 1 PES Header * 4 byte magic number: "itv0" or "ITV0" * 4 byte first field line mask, if "itv0" * 4 byte second field line mask, if "itv0" * 36 lines, if "ITV0"; or <36 lines, if "itv0"; of sliced VBI data * * Each line in the payload is * 1 byte line header derived from the SDID (WSS, CC, VPS, etc.) * 42 bytes of line data * * That's a maximum 1552 bytes of payload in the Private Stream 1 packet * which is the payload size a PVR-350 (CX23415) MPEG decoder will * accept for VBI data. So, including the headers, it's a maximum 1584 * bytes total. */ #define CX18_SLICED_MPEG_DATA_MAXSZ 1584 /* copy_vbi_buf() needs 8 temp bytes on the end for the worst case */ #define CX18_SLICED_MPEG_DATA_BUFSZ (CX18_SLICED_MPEG_DATA_MAXSZ+8) u8 *sliced_mpeg_data[CX18_VBI_FRAMES]; u32 sliced_mpeg_size[CX18_VBI_FRAMES]; /* Count of Program Pack/Program Stream 1 packets inserted into PS */ u32 inserted_frame; /* * A dummy driver stream transfer mdl & buffer with a copy of the next * sliced_mpeg_data[] buffer for output to userland apps. * Only used in cx18-fileops.c, but its state needs to persist at times. */ struct cx18_mdl sliced_mpeg_mdl; struct cx18_buffer sliced_mpeg_buf; }; /* Per cx23418, per I2C bus private algo callback data */ struct cx18_i2c_algo_callback_data { struct cx18 *cx; int bus_index; /* 0 or 1 for the cx23418's 1st or 2nd I2C bus */ }; #define CX18_MAX_MMIO_WR_RETRIES 10 /* Struct to hold info about cx18 cards */ struct cx18 { int instance; struct pci_dev *pci_dev; struct v4l2_device v4l2_dev; struct v4l2_subdev *sd_av; /* A/V decoder/digitizer sub-device */ struct v4l2_subdev *sd_extmux; /* External multiplexer sub-dev */ const struct cx18_card *card; /* card information */ const char *card_name; /* full name of the card */ const struct cx18_card_tuner_i2c *card_i2c; /* i2c addresses to probe for tuner */ u8 is_50hz; u8 is_60hz; u8 nof_inputs; /* number of video inputs */ u8 nof_audio_inputs; /* number of audio inputs */ u32 v4l2_cap; /* V4L2 capabilities of card */ u32 hw_flags; /* Hardware description of the board */ unsigned int free_mdl_idx; struct cx18_scb __iomem *scb; /* pointer to SCB */ struct mutex epu2apu_mb_lock; /* protect driver to chip mailbox in SCB*/ struct mutex epu2cpu_mb_lock; /* protect driver to chip mailbox in SCB*/ struct cx18_av_state av_state; /* codec settings */ struct cx2341x_handler cxhdl; u32 filter_mode; u32 temporal_strength; u32 spatial_strength; /* dualwatch */ unsigned long dualwatch_jiffies; u32 dualwatch_stereo_mode; struct mutex serialize_lock; /* mutex used to serialize open/close/start/stop/ioctl operations */ struct cx18_options options; /* User options */ int stream_buffers[CX18_MAX_STREAMS]; /* # of buffers for each stream */ int stream_buf_size[CX18_MAX_STREAMS]; /* Stream buffer size */ struct cx18_stream streams[CX18_MAX_STREAMS]; /* Stream data */ struct snd_cx18_card *alsa; /* ALSA interface for PCM capture stream */ void (*pcm_announce_callback)(struct snd_cx18_card *card, u8 *pcm_data, size_t num_bytes); unsigned long i_flags; /* global cx18 flags */ atomic_t ana_capturing; /* count number of active analog capture streams */ atomic_t tot_capturing; /* total count number of active capture streams */ int search_pack_header; int open_id; /* incremented each time an open occurs, used as unique ID. Starts at 1, so 0 can be used as uninitialized value in the stream->id. */ resource_size_t base_addr; u8 card_rev; void __iomem *enc_mem, *reg_mem; struct vbi_info vbi; u64 mpg_data_received; u64 vbi_data_inserted; wait_queue_head_t mb_apu_waitq; wait_queue_head_t mb_cpu_waitq; wait_queue_head_t cap_w; /* when the current DMA is finished this queue is woken up */ wait_queue_head_t dma_waitq; u32 sw1_irq_mask; u32 sw2_irq_mask; u32 hw2_irq_mask; struct workqueue_struct *in_work_queue; char in_workq_name[11]; /* "cx18-NN-in" */ struct cx18_in_work_order in_work_order[CX18_MAX_IN_WORK_ORDERS]; char epu_debug_str[256]; /* CX18_EPU_DEBUG is rare: use shared space */ /* i2c */ struct i2c_adapter i2c_adap[2]; struct i2c_algo_bit_data i2c_algo[2]; struct cx18_i2c_algo_callback_data i2c_algo_cb_data[2]; struct IR_i2c_init_data ir_i2c_init_data; /* gpio */ u32 gpio_dir; u32 gpio_val; struct mutex gpio_lock; struct v4l2_subdev sd_gpiomux; struct v4l2_subdev sd_resetctrl; /* v4l2 and User settings */ /* codec settings */ u32 audio_input; u32 active_input; v4l2_std_id std; v4l2_std_id tuner_std; /* The norm of the tuner (fixed) */ /* Used for cx18-alsa module loading */ struct work_struct request_module_wk; }; static inline struct cx18 *to_cx18(struct v4l2_device *v4l2_dev) { return container_of(v4l2_dev, struct cx18, v4l2_dev); } /* cx18 extensions to be loaded */ extern int (*cx18_ext_init)(struct cx18 *); /* Globals */ extern int cx18_first_minor; /*==============Prototypes==================*/ /* Return non-zero if a signal is pending */ int cx18_msleep_timeout(unsigned int msecs, int intr); /* Read Hauppauge eeprom */ struct tveeprom; /* forward reference */ void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv); /* First-open initialization: load firmware, etc. */ int cx18_init_on_first_open(struct cx18 *cx); /* Test if the current VBI mode is raw (1) or sliced (0) */ static inline int cx18_raw_vbi(const struct cx18 *cx) { return cx->vbi.in.type == V4L2_BUF_TYPE_VBI_CAPTURE; } /* Call the specified callback for all subdevs with a grp_id bit matching the * mask in hw (if 0, then match them all). Ignore any errors. */ #define cx18_call_hw(cx, hw, o, f, args...) \ do { \ struct v4l2_subdev *__sd; \ __v4l2_device_call_subdevs_p(&(cx)->v4l2_dev, __sd, \ !(hw) || (__sd->grp_id & (hw)), o, f , ##args); \ } while (0) #define cx18_call_all(cx, o, f, args...) cx18_call_hw(cx, 0, o, f , ##args) /* Call the specified callback for all subdevs with a grp_id bit matching the * mask in hw (if 0, then match them all). If the callback returns an error * other than 0 or -ENOIOCTLCMD, then return with that error code. */ #define cx18_call_hw_err(cx, hw, o, f, args...) \ ({ \ struct v4l2_subdev *__sd; \ __v4l2_device_call_subdevs_until_err_p(&(cx)->v4l2_dev, \ __sd, !(hw) || (__sd->grp_id & (hw)), o, f, \ ##args); \ }) #define cx18_call_all_err(cx, o, f, args...) \ cx18_call_hw_err(cx, 0, o, f , ##args) #endif /* CX18_DRIVER_H */


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