diff options
Diffstat (limited to 'kernel/sound/pci/au88x0/au88x0_pcm.c')
| -rw-r--r-- | kernel/sound/pci/au88x0/au88x0_pcm.c | 701 |
1 files changed, 701 insertions, 0 deletions
diff --git a/kernel/sound/pci/au88x0/au88x0_pcm.c b/kernel/sound/pci/au88x0/au88x0_pcm.c new file mode 100644 index 000000000..a6d6d8d08 --- /dev/null +++ b/kernel/sound/pci/au88x0/au88x0_pcm.c @@ -0,0 +1,701 @@ +/* + * 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 Library 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. + */ + +/* + * Vortex PCM ALSA driver. + * + * Supports ADB and WT DMA. Unfortunately, WT channels do not run yet. + * It remains stuck,and DMA transfers do not happen. + */ +#include <sound/asoundef.h> +#include <linux/time.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include "au88x0.h" + +#define VORTEX_PCM_TYPE(x) (x->name[40]) + +/* hardware definition */ +static struct snd_pcm_hardware snd_vortex_playback_hw_adb = { + .info = + (SNDRV_PCM_INFO_MMAP | /* SNDRV_PCM_INFO_RESUME | */ + SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_MMAP_VALID), + .formats = + SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U8 | + SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW, + .rates = SNDRV_PCM_RATE_CONTINUOUS, + .rate_min = 5000, + .rate_max = 48000, + .channels_min = 1, + .channels_max = 2, + .buffer_bytes_max = 0x10000, + .period_bytes_min = 0x20, + .period_bytes_max = 0x1000, + .periods_min = 2, + .periods_max = 1024, +}; + +#ifndef CHIP_AU8820 +static struct snd_pcm_hardware snd_vortex_playback_hw_a3d = { + .info = + (SNDRV_PCM_INFO_MMAP | /* SNDRV_PCM_INFO_RESUME | */ + SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_MMAP_VALID), + .formats = + SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U8 | + SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW, + .rates = SNDRV_PCM_RATE_CONTINUOUS, + .rate_min = 5000, + .rate_max = 48000, + .channels_min = 1, + .channels_max = 1, + .buffer_bytes_max = 0x10000, + .period_bytes_min = 0x100, + .period_bytes_max = 0x1000, + .periods_min = 2, + .periods_max = 64, +}; +#endif +static struct snd_pcm_hardware snd_vortex_playback_hw_spdif = { + .info = + (SNDRV_PCM_INFO_MMAP | /* SNDRV_PCM_INFO_RESUME | */ + SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_MMAP_VALID), + .formats = + SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U8 | + SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE | SNDRV_PCM_FMTBIT_MU_LAW | + SNDRV_PCM_FMTBIT_A_LAW, + .rates = + SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, + .rate_min = 32000, + .rate_max = 48000, + .channels_min = 1, + .channels_max = 2, + .buffer_bytes_max = 0x10000, + .period_bytes_min = 0x100, + .period_bytes_max = 0x1000, + .periods_min = 2, + .periods_max = 64, +}; + +#ifndef CHIP_AU8810 +static struct snd_pcm_hardware snd_vortex_playback_hw_wt = { + .info = (SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID), + .formats = SNDRV_PCM_FMTBIT_S16_LE, + .rates = SNDRV_PCM_RATE_8000_48000 | SNDRV_PCM_RATE_CONTINUOUS, // SNDRV_PCM_RATE_48000, + .rate_min = 8000, + .rate_max = 48000, + .channels_min = 1, + .channels_max = 2, + .buffer_bytes_max = 0x10000, + .period_bytes_min = 0x0400, + .period_bytes_max = 0x1000, + .periods_min = 2, + .periods_max = 64, +}; +#endif +#ifdef CHIP_AU8830 +static unsigned int au8830_channels[3] = { + 1, 2, 4, +}; + +static struct snd_pcm_hw_constraint_list hw_constraints_au8830_channels = { + .count = ARRAY_SIZE(au8830_channels), + .list = au8830_channels, + .mask = 0, +}; +#endif + +static void vortex_notify_pcm_vol_change(struct snd_card *card, + struct snd_kcontrol *kctl, int activate) +{ + if (activate) + kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; + else + kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE | + SNDRV_CTL_EVENT_MASK_INFO, &(kctl->id)); +} + +/* open callback */ +static int snd_vortex_pcm_open(struct snd_pcm_substream *substream) +{ + vortex_t *vortex = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + int err; + + /* Force equal size periods */ + if ((err = + snd_pcm_hw_constraint_integer(runtime, + SNDRV_PCM_HW_PARAM_PERIODS)) < 0) + return err; + /* Avoid PAGE_SIZE boundary to fall inside of a period. */ + if ((err = + snd_pcm_hw_constraint_pow2(runtime, 0, + SNDRV_PCM_HW_PARAM_PERIOD_BYTES)) < 0) + return err; + + snd_pcm_hw_constraint_step(runtime, 0, + SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 64); + + if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) { +#ifndef CHIP_AU8820 + if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_A3D) { + runtime->hw = snd_vortex_playback_hw_a3d; + } +#endif + if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_SPDIF) { + runtime->hw = snd_vortex_playback_hw_spdif; + switch (vortex->spdif_sr) { + case 32000: + runtime->hw.rates = SNDRV_PCM_RATE_32000; + break; + case 44100: + runtime->hw.rates = SNDRV_PCM_RATE_44100; + break; + case 48000: + runtime->hw.rates = SNDRV_PCM_RATE_48000; + break; + } + } + if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB + || VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_I2S) + runtime->hw = snd_vortex_playback_hw_adb; +#ifdef CHIP_AU8830 + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && + VORTEX_IS_QUAD(vortex) && + VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB) { + runtime->hw.channels_max = 4; + snd_pcm_hw_constraint_list(runtime, 0, + SNDRV_PCM_HW_PARAM_CHANNELS, + &hw_constraints_au8830_channels); + } +#endif + substream->runtime->private_data = NULL; + } +#ifndef CHIP_AU8810 + else { + runtime->hw = snd_vortex_playback_hw_wt; + substream->runtime->private_data = NULL; + } +#endif + return 0; +} + +/* close callback */ +static int snd_vortex_pcm_close(struct snd_pcm_substream *substream) +{ + //vortex_t *chip = snd_pcm_substream_chip(substream); + stream_t *stream = (stream_t *) substream->runtime->private_data; + + // the hardware-specific codes will be here + if (stream != NULL) { + stream->substream = NULL; + stream->nr_ch = 0; + } + substream->runtime->private_data = NULL; + return 0; +} + +/* hw_params callback */ +static int +snd_vortex_pcm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) +{ + vortex_t *chip = snd_pcm_substream_chip(substream); + stream_t *stream = (stream_t *) (substream->runtime->private_data); + int err; + + // Alloc buffer memory. + err = + snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); + if (err < 0) { + dev_err(chip->card->dev, "Vortex: pcm page alloc failed!\n"); + return err; + } + /* + pr_info( "Vortex: periods %d, period_bytes %d, channels = %d\n", params_periods(hw_params), + params_period_bytes(hw_params), params_channels(hw_params)); + */ + spin_lock_irq(&chip->lock); + // Make audio routes and config buffer DMA. + if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) { + int dma, type = VORTEX_PCM_TYPE(substream->pcm); + /* Dealloc any routes. */ + if (stream != NULL) + vortex_adb_allocroute(chip, stream->dma, + stream->nr_ch, stream->dir, + stream->type, + substream->number); + /* Alloc routes. */ + dma = + vortex_adb_allocroute(chip, -1, + params_channels(hw_params), + substream->stream, type, + substream->number); + if (dma < 0) { + spin_unlock_irq(&chip->lock); + return dma; + } + stream = substream->runtime->private_data = &chip->dma_adb[dma]; + stream->substream = substream; + /* Setup Buffers. */ + vortex_adbdma_setbuffers(chip, dma, + params_period_bytes(hw_params), + params_periods(hw_params)); + if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB) { + chip->pcm_vol[substream->number].active = 1; + vortex_notify_pcm_vol_change(chip->card, + chip->pcm_vol[substream->number].kctl, 1); + } + } +#ifndef CHIP_AU8810 + else { + /* if (stream != NULL) + vortex_wt_allocroute(chip, substream->number, 0); */ + vortex_wt_allocroute(chip, substream->number, + params_channels(hw_params)); + stream = substream->runtime->private_data = + &chip->dma_wt[substream->number]; + stream->dma = substream->number; + stream->substream = substream; + vortex_wtdma_setbuffers(chip, substream->number, + params_period_bytes(hw_params), + params_periods(hw_params)); + } +#endif + spin_unlock_irq(&chip->lock); + return 0; +} + +/* hw_free callback */ +static int snd_vortex_pcm_hw_free(struct snd_pcm_substream *substream) +{ + vortex_t *chip = snd_pcm_substream_chip(substream); + stream_t *stream = (stream_t *) (substream->runtime->private_data); + + spin_lock_irq(&chip->lock); + // Delete audio routes. + if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) { + if (stream != NULL) { + if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB) { + chip->pcm_vol[substream->number].active = 0; + vortex_notify_pcm_vol_change(chip->card, + chip->pcm_vol[substream->number].kctl, + 0); + } + vortex_adb_allocroute(chip, stream->dma, + stream->nr_ch, stream->dir, + stream->type, + substream->number); + } + } +#ifndef CHIP_AU8810 + else { + if (stream != NULL) + vortex_wt_allocroute(chip, stream->dma, 0); + } +#endif + substream->runtime->private_data = NULL; + spin_unlock_irq(&chip->lock); + + return snd_pcm_lib_free_pages(substream); +} + +/* prepare callback */ +static int snd_vortex_pcm_prepare(struct snd_pcm_substream *substream) +{ + vortex_t *chip = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + stream_t *stream = (stream_t *) substream->runtime->private_data; + int dma = stream->dma, fmt, dir; + + // set up the hardware with the current configuration. + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + dir = 1; + else + dir = 0; + fmt = vortex_alsafmt_aspfmt(runtime->format, chip); + spin_lock_irq(&chip->lock); + if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) { + vortex_adbdma_setmode(chip, dma, 1, dir, fmt, + runtime->channels == 1 ? 0 : 1, 0); + vortex_adbdma_setstartbuffer(chip, dma, 0); + if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_SPDIF) + vortex_adb_setsrc(chip, dma, runtime->rate, dir); + } +#ifndef CHIP_AU8810 + else { + vortex_wtdma_setmode(chip, dma, 1, fmt, 0, 0); + // FIXME: Set rate (i guess using vortex_wt_writereg() somehow). + vortex_wtdma_setstartbuffer(chip, dma, 0); + } +#endif + spin_unlock_irq(&chip->lock); + return 0; +} + +/* trigger callback */ +static int snd_vortex_pcm_trigger(struct snd_pcm_substream *substream, int cmd) +{ + vortex_t *chip = snd_pcm_substream_chip(substream); + stream_t *stream = (stream_t *) substream->runtime->private_data; + int dma = stream->dma; + + spin_lock(&chip->lock); + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + // do something to start the PCM engine + //printk(KERN_INFO "vortex: start %d\n", dma); + stream->fifo_enabled = 1; + if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) { + vortex_adbdma_resetup(chip, dma); + vortex_adbdma_startfifo(chip, dma); + } +#ifndef CHIP_AU8810 + else { + dev_info(chip->card->dev, "wt start %d\n", dma); + vortex_wtdma_startfifo(chip, dma); + } +#endif + break; + case SNDRV_PCM_TRIGGER_STOP: + // do something to stop the PCM engine + //printk(KERN_INFO "vortex: stop %d\n", dma); + stream->fifo_enabled = 0; + if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) + vortex_adbdma_stopfifo(chip, dma); +#ifndef CHIP_AU8810 + else { + dev_info(chip->card->dev, "wt stop %d\n", dma); + vortex_wtdma_stopfifo(chip, dma); + } +#endif + break; + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + //printk(KERN_INFO "vortex: pause %d\n", dma); + if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) + vortex_adbdma_pausefifo(chip, dma); +#ifndef CHIP_AU8810 + else + vortex_wtdma_pausefifo(chip, dma); +#endif + break; + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + //printk(KERN_INFO "vortex: resume %d\n", dma); + if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) + vortex_adbdma_resumefifo(chip, dma); +#ifndef CHIP_AU8810 + else + vortex_wtdma_resumefifo(chip, dma); +#endif + break; + default: + spin_unlock(&chip->lock); + return -EINVAL; + } + spin_unlock(&chip->lock); + return 0; +} + +/* pointer callback */ +static snd_pcm_uframes_t snd_vortex_pcm_pointer(struct snd_pcm_substream *substream) +{ + vortex_t *chip = snd_pcm_substream_chip(substream); + stream_t *stream = (stream_t *) substream->runtime->private_data; + int dma = stream->dma; + snd_pcm_uframes_t current_ptr = 0; + + spin_lock(&chip->lock); + if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) + current_ptr = vortex_adbdma_getlinearpos(chip, dma); +#ifndef CHIP_AU8810 + else + current_ptr = vortex_wtdma_getlinearpos(chip, dma); +#endif + //printk(KERN_INFO "vortex: pointer = 0x%x\n", current_ptr); + spin_unlock(&chip->lock); + return (bytes_to_frames(substream->runtime, current_ptr)); +} + +/* operators */ +static struct snd_pcm_ops snd_vortex_playback_ops = { + .open = snd_vortex_pcm_open, + .close = snd_vortex_pcm_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_vortex_pcm_hw_params, + .hw_free = snd_vortex_pcm_hw_free, + .prepare = snd_vortex_pcm_prepare, + .trigger = snd_vortex_pcm_trigger, + .pointer = snd_vortex_pcm_pointer, + .page = snd_pcm_sgbuf_ops_page, +}; + +/* +* definitions of capture are omitted here... +*/ + +static char *vortex_pcm_prettyname[VORTEX_PCM_LAST] = { + CARD_NAME " ADB", + CARD_NAME " SPDIF", + CARD_NAME " A3D", + CARD_NAME " WT", + CARD_NAME " I2S", +}; +static char *vortex_pcm_name[VORTEX_PCM_LAST] = { + "adb", + "spdif", + "a3d", + "wt", + "i2s", +}; + +/* SPDIF kcontrol */ + +static int snd_vortex_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; + uinfo->count = 1; + return 0; +} + +static int snd_vortex_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.iec958.status[0] = 0xff; + ucontrol->value.iec958.status[1] = 0xff; + ucontrol->value.iec958.status[2] = 0xff; + ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; + return 0; +} + +static int snd_vortex_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + vortex_t *vortex = snd_kcontrol_chip(kcontrol); + ucontrol->value.iec958.status[0] = 0x00; + ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL|IEC958_AES1_CON_DIGDIGCONV_ID; + ucontrol->value.iec958.status[2] = 0x00; + switch (vortex->spdif_sr) { + case 32000: ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS_32000; break; + case 44100: ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS_44100; break; + case 48000: ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS_48000; break; + } + return 0; +} + +static int snd_vortex_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + vortex_t *vortex = snd_kcontrol_chip(kcontrol); + int spdif_sr = 48000; + switch (ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) { + case IEC958_AES3_CON_FS_32000: spdif_sr = 32000; break; + case IEC958_AES3_CON_FS_44100: spdif_sr = 44100; break; + case IEC958_AES3_CON_FS_48000: spdif_sr = 48000; break; + } + if (spdif_sr == vortex->spdif_sr) + return 0; + vortex->spdif_sr = spdif_sr; + vortex_spdif_init(vortex, vortex->spdif_sr, 1); + return 1; +} + +/* spdif controls */ +static struct snd_kcontrol_new snd_vortex_mixer_spdif[] = { + { + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), + .info = snd_vortex_spdif_info, + .get = snd_vortex_spdif_get, + .put = snd_vortex_spdif_put, + }, + { + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), + .info = snd_vortex_spdif_info, + .get = snd_vortex_spdif_mask_get + }, +}; + +/* subdevice PCM Volume control */ + +static int snd_vortex_pcm_vol_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + vortex_t *vortex = snd_kcontrol_chip(kcontrol); + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = (VORTEX_IS_QUAD(vortex) ? 4 : 2); + uinfo->value.integer.min = -128; + uinfo->value.integer.max = 32; + return 0; +} + +static int snd_vortex_pcm_vol_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + int i; + vortex_t *vortex = snd_kcontrol_chip(kcontrol); + int subdev = kcontrol->id.subdevice; + struct pcm_vol *p = &vortex->pcm_vol[subdev]; + int max_chn = (VORTEX_IS_QUAD(vortex) ? 4 : 2); + for (i = 0; i < max_chn; i++) + ucontrol->value.integer.value[i] = p->vol[i]; + return 0; +} + +static int snd_vortex_pcm_vol_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + int i; + int changed = 0; + int mixin; + unsigned char vol; + vortex_t *vortex = snd_kcontrol_chip(kcontrol); + int subdev = kcontrol->id.subdevice; + struct pcm_vol *p = &vortex->pcm_vol[subdev]; + int max_chn = (VORTEX_IS_QUAD(vortex) ? 4 : 2); + for (i = 0; i < max_chn; i++) { + if (p->vol[i] != ucontrol->value.integer.value[i]) { + p->vol[i] = ucontrol->value.integer.value[i]; + if (p->active) { + switch (vortex->dma_adb[p->dma].nr_ch) { + case 1: + mixin = p->mixin[0]; + break; + case 2: + default: + mixin = p->mixin[(i < 2) ? i : (i - 2)]; + break; + case 4: + mixin = p->mixin[i]; + break; + } + vol = p->vol[i]; + vortex_mix_setinputvolumebyte(vortex, + vortex->mixplayb[i], mixin, vol); + } + changed = 1; + } + } + return changed; +} + +static const DECLARE_TLV_DB_MINMAX(vortex_pcm_vol_db_scale, -9600, 2400); + +static struct snd_kcontrol_new snd_vortex_pcm_vol = { + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = "PCM Playback Volume", + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ | + SNDRV_CTL_ELEM_ACCESS_INACTIVE, + .info = snd_vortex_pcm_vol_info, + .get = snd_vortex_pcm_vol_get, + .put = snd_vortex_pcm_vol_put, + .tlv = { .p = vortex_pcm_vol_db_scale }, +}; + +/* create a pcm device */ +static int snd_vortex_new_pcm(vortex_t *chip, int idx, int nr) +{ + struct snd_pcm *pcm; + struct snd_kcontrol *kctl; + int i; + int err, nr_capt; + + if (!chip || idx < 0 || idx >= VORTEX_PCM_LAST) + return -ENODEV; + + /* idx indicates which kind of PCM device. ADB, SPDIF, I2S and A3D share the + * same dma engine. WT uses it own separate dma engine which can't capture. */ + if (idx == VORTEX_PCM_ADB) + nr_capt = nr; + else + nr_capt = 0; + err = snd_pcm_new(chip->card, vortex_pcm_prettyname[idx], idx, nr, + nr_capt, &pcm); + if (err < 0) + return err; + snprintf(pcm->name, sizeof(pcm->name), + "%s %s", CARD_NAME_SHORT, vortex_pcm_name[idx]); + chip->pcm[idx] = pcm; + // This is an evil hack, but it saves a lot of duplicated code. + VORTEX_PCM_TYPE(pcm) = idx; + pcm->private_data = chip; + /* set operators */ + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, + &snd_vortex_playback_ops); + if (idx == VORTEX_PCM_ADB) + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, + &snd_vortex_playback_ops); + + /* pre-allocation of Scatter-Gather buffers */ + + snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, + snd_dma_pci_data(chip->pci_dev), + 0x10000, 0x10000); + + switch (VORTEX_PCM_TYPE(pcm)) { + case VORTEX_PCM_ADB: + err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, + snd_pcm_std_chmaps, + VORTEX_IS_QUAD(chip) ? 4 : 2, + 0, NULL); + if (err < 0) + return err; + err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_CAPTURE, + snd_pcm_std_chmaps, 2, 0, NULL); + if (err < 0) + return err; + break; +#ifdef CHIP_AU8830 + case VORTEX_PCM_A3D: + err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, + snd_pcm_std_chmaps, 1, 0, NULL); + if (err < 0) + return err; + break; +#endif + } + + if (VORTEX_PCM_TYPE(pcm) == VORTEX_PCM_SPDIF) { + for (i = 0; i < ARRAY_SIZE(snd_vortex_mixer_spdif); i++) { + kctl = snd_ctl_new1(&snd_vortex_mixer_spdif[i], chip); + if (!kctl) + return -ENOMEM; + if ((err = snd_ctl_add(chip->card, kctl)) < 0) + return err; + } + } + if (VORTEX_PCM_TYPE(pcm) == VORTEX_PCM_ADB) { + for (i = 0; i < NR_PCM; i++) { + chip->pcm_vol[i].active = 0; + chip->pcm_vol[i].dma = -1; + kctl = snd_ctl_new1(&snd_vortex_pcm_vol, chip); + if (!kctl) + return -ENOMEM; + chip->pcm_vol[i].kctl = kctl; + kctl->id.device = 0; + kctl->id.subdevice = i; + err = snd_ctl_add(chip->card, kctl); + if (err < 0) + return err; + } + } + return 0; +} |