705 строки
20 KiB
C
705 строки
20 KiB
C
/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/*
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* Vortex PCM ALSA driver.
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*
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* Supports ADB and WT DMA. Unfortunately, WT channels do not run yet.
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* It remains stuck,and DMA transfers do not happen.
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*/
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#include <sound/asoundef.h>
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#include <linux/time.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include "au88x0.h"
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#define VORTEX_PCM_TYPE(x) (x->name[40])
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/* hardware definition */
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static const struct snd_pcm_hardware snd_vortex_playback_hw_adb = {
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.info =
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(SNDRV_PCM_INFO_MMAP | /* SNDRV_PCM_INFO_RESUME | */
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SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_MMAP_VALID),
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.formats =
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SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U8 |
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SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW,
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.rates = SNDRV_PCM_RATE_CONTINUOUS,
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.rate_min = 5000,
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.rate_max = 48000,
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.channels_min = 1,
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.channels_max = 2,
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.buffer_bytes_max = 0x10000,
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.period_bytes_min = 0x20,
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.period_bytes_max = 0x1000,
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.periods_min = 2,
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.periods_max = 1024,
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};
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#ifndef CHIP_AU8820
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static const struct snd_pcm_hardware snd_vortex_playback_hw_a3d = {
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.info =
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(SNDRV_PCM_INFO_MMAP | /* SNDRV_PCM_INFO_RESUME | */
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SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_MMAP_VALID),
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.formats =
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SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U8 |
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SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW,
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.rates = SNDRV_PCM_RATE_CONTINUOUS,
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.rate_min = 5000,
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.rate_max = 48000,
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.channels_min = 1,
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.channels_max = 1,
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.buffer_bytes_max = 0x10000,
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.period_bytes_min = 0x100,
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.period_bytes_max = 0x1000,
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.periods_min = 2,
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.periods_max = 64,
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};
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#endif
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static const struct snd_pcm_hardware snd_vortex_playback_hw_spdif = {
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.info =
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(SNDRV_PCM_INFO_MMAP | /* SNDRV_PCM_INFO_RESUME | */
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SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_MMAP_VALID),
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.formats =
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SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U8 |
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SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE | SNDRV_PCM_FMTBIT_MU_LAW |
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SNDRV_PCM_FMTBIT_A_LAW,
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.rates =
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SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
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.rate_min = 32000,
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.rate_max = 48000,
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.channels_min = 1,
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.channels_max = 2,
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.buffer_bytes_max = 0x10000,
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.period_bytes_min = 0x100,
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.period_bytes_max = 0x1000,
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.periods_min = 2,
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.periods_max = 64,
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};
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#ifndef CHIP_AU8810
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static const struct snd_pcm_hardware snd_vortex_playback_hw_wt = {
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.info = (SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID),
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.formats = SNDRV_PCM_FMTBIT_S16_LE,
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.rates = SNDRV_PCM_RATE_8000_48000 | SNDRV_PCM_RATE_CONTINUOUS, // SNDRV_PCM_RATE_48000,
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.rate_min = 8000,
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.rate_max = 48000,
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.channels_min = 1,
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.channels_max = 2,
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.buffer_bytes_max = 0x10000,
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.period_bytes_min = 0x0400,
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.period_bytes_max = 0x1000,
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.periods_min = 2,
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.periods_max = 64,
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};
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#endif
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#ifdef CHIP_AU8830
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static const unsigned int au8830_channels[3] = {
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1, 2, 4,
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};
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static const struct snd_pcm_hw_constraint_list hw_constraints_au8830_channels = {
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.count = ARRAY_SIZE(au8830_channels),
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.list = au8830_channels,
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.mask = 0,
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};
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#endif
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static void vortex_notify_pcm_vol_change(struct snd_card *card,
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struct snd_kcontrol *kctl, int activate)
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{
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if (activate)
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kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
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else
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kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
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snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE |
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SNDRV_CTL_EVENT_MASK_INFO, &(kctl->id));
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}
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/* open callback */
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static int snd_vortex_pcm_open(struct snd_pcm_substream *substream)
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{
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vortex_t *vortex = snd_pcm_substream_chip(substream);
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struct snd_pcm_runtime *runtime = substream->runtime;
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int err;
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/* Force equal size periods */
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if ((err =
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snd_pcm_hw_constraint_integer(runtime,
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SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
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return err;
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/* Avoid PAGE_SIZE boundary to fall inside of a period. */
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if ((err =
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snd_pcm_hw_constraint_pow2(runtime, 0,
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SNDRV_PCM_HW_PARAM_PERIOD_BYTES)) < 0)
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return err;
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snd_pcm_hw_constraint_step(runtime, 0,
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SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 64);
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if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
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#ifndef CHIP_AU8820
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if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_A3D) {
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runtime->hw = snd_vortex_playback_hw_a3d;
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}
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#endif
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if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_SPDIF) {
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runtime->hw = snd_vortex_playback_hw_spdif;
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switch (vortex->spdif_sr) {
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case 32000:
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runtime->hw.rates = SNDRV_PCM_RATE_32000;
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break;
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case 44100:
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runtime->hw.rates = SNDRV_PCM_RATE_44100;
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break;
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case 48000:
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runtime->hw.rates = SNDRV_PCM_RATE_48000;
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break;
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}
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}
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if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB
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|| VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_I2S)
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runtime->hw = snd_vortex_playback_hw_adb;
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#ifdef CHIP_AU8830
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
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VORTEX_IS_QUAD(vortex) &&
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VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB) {
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runtime->hw.channels_max = 4;
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snd_pcm_hw_constraint_list(runtime, 0,
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SNDRV_PCM_HW_PARAM_CHANNELS,
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&hw_constraints_au8830_channels);
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}
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#endif
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substream->runtime->private_data = NULL;
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}
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#ifndef CHIP_AU8810
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else {
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runtime->hw = snd_vortex_playback_hw_wt;
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substream->runtime->private_data = NULL;
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}
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#endif
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return 0;
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}
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/* close callback */
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static int snd_vortex_pcm_close(struct snd_pcm_substream *substream)
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{
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//vortex_t *chip = snd_pcm_substream_chip(substream);
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stream_t *stream = (stream_t *) substream->runtime->private_data;
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// the hardware-specific codes will be here
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if (stream != NULL) {
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stream->substream = NULL;
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stream->nr_ch = 0;
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}
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substream->runtime->private_data = NULL;
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return 0;
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}
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/* hw_params callback */
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static int
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snd_vortex_pcm_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *hw_params)
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{
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vortex_t *chip = snd_pcm_substream_chip(substream);
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stream_t *stream = (stream_t *) (substream->runtime->private_data);
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int err;
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// Alloc buffer memory.
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err =
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snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
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if (err < 0) {
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dev_err(chip->card->dev, "Vortex: pcm page alloc failed!\n");
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return err;
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}
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/*
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pr_info( "Vortex: periods %d, period_bytes %d, channels = %d\n", params_periods(hw_params),
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params_period_bytes(hw_params), params_channels(hw_params));
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*/
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spin_lock_irq(&chip->lock);
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// Make audio routes and config buffer DMA.
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if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
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int dma, type = VORTEX_PCM_TYPE(substream->pcm);
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/* Dealloc any routes. */
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if (stream != NULL)
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vortex_adb_allocroute(chip, stream->dma,
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stream->nr_ch, stream->dir,
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stream->type,
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substream->number);
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/* Alloc routes. */
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dma =
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vortex_adb_allocroute(chip, -1,
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params_channels(hw_params),
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substream->stream, type,
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substream->number);
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if (dma < 0) {
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spin_unlock_irq(&chip->lock);
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return dma;
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}
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stream = substream->runtime->private_data = &chip->dma_adb[dma];
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stream->substream = substream;
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/* Setup Buffers. */
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vortex_adbdma_setbuffers(chip, dma,
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params_period_bytes(hw_params),
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params_periods(hw_params));
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if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB) {
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chip->pcm_vol[substream->number].active = 1;
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vortex_notify_pcm_vol_change(chip->card,
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chip->pcm_vol[substream->number].kctl, 1);
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}
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}
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#ifndef CHIP_AU8810
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else {
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/* if (stream != NULL)
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vortex_wt_allocroute(chip, substream->number, 0); */
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vortex_wt_allocroute(chip, substream->number,
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params_channels(hw_params));
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stream = substream->runtime->private_data =
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&chip->dma_wt[substream->number];
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stream->dma = substream->number;
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stream->substream = substream;
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vortex_wtdma_setbuffers(chip, substream->number,
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params_period_bytes(hw_params),
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params_periods(hw_params));
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}
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#endif
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spin_unlock_irq(&chip->lock);
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return 0;
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}
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/* hw_free callback */
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static int snd_vortex_pcm_hw_free(struct snd_pcm_substream *substream)
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{
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vortex_t *chip = snd_pcm_substream_chip(substream);
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stream_t *stream = (stream_t *) (substream->runtime->private_data);
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spin_lock_irq(&chip->lock);
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// Delete audio routes.
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if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
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if (stream != NULL) {
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if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB) {
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chip->pcm_vol[substream->number].active = 0;
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vortex_notify_pcm_vol_change(chip->card,
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chip->pcm_vol[substream->number].kctl,
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0);
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}
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vortex_adb_allocroute(chip, stream->dma,
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stream->nr_ch, stream->dir,
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stream->type,
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substream->number);
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}
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}
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#ifndef CHIP_AU8810
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else {
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if (stream != NULL)
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vortex_wt_allocroute(chip, stream->dma, 0);
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}
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#endif
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substream->runtime->private_data = NULL;
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spin_unlock_irq(&chip->lock);
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return snd_pcm_lib_free_pages(substream);
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}
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/* prepare callback */
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static int snd_vortex_pcm_prepare(struct snd_pcm_substream *substream)
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{
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vortex_t *chip = snd_pcm_substream_chip(substream);
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struct snd_pcm_runtime *runtime = substream->runtime;
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stream_t *stream = (stream_t *) substream->runtime->private_data;
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int dma = stream->dma, fmt, dir;
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// set up the hardware with the current configuration.
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
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dir = 1;
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else
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dir = 0;
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fmt = vortex_alsafmt_aspfmt(runtime->format, chip);
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spin_lock_irq(&chip->lock);
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if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
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vortex_adbdma_setmode(chip, dma, 1, dir, fmt,
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runtime->channels == 1 ? 0 : 1, 0);
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vortex_adbdma_setstartbuffer(chip, dma, 0);
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if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_SPDIF)
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vortex_adb_setsrc(chip, dma, runtime->rate, dir);
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}
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#ifndef CHIP_AU8810
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else {
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vortex_wtdma_setmode(chip, dma, 1, fmt, 0, 0);
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// FIXME: Set rate (i guess using vortex_wt_writereg() somehow).
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vortex_wtdma_setstartbuffer(chip, dma, 0);
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}
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#endif
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spin_unlock_irq(&chip->lock);
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return 0;
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}
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/* trigger callback */
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static int snd_vortex_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
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{
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vortex_t *chip = snd_pcm_substream_chip(substream);
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stream_t *stream = (stream_t *) substream->runtime->private_data;
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int dma = stream->dma;
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spin_lock(&chip->lock);
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switch (cmd) {
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case SNDRV_PCM_TRIGGER_START:
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// do something to start the PCM engine
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//printk(KERN_INFO "vortex: start %d\n", dma);
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stream->fifo_enabled = 1;
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if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
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vortex_adbdma_resetup(chip, dma);
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vortex_adbdma_startfifo(chip, dma);
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}
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#ifndef CHIP_AU8810
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else {
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dev_info(chip->card->dev, "wt start %d\n", dma);
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vortex_wtdma_startfifo(chip, dma);
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}
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#endif
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break;
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case SNDRV_PCM_TRIGGER_STOP:
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// do something to stop the PCM engine
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//printk(KERN_INFO "vortex: stop %d\n", dma);
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stream->fifo_enabled = 0;
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if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
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vortex_adbdma_stopfifo(chip, dma);
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#ifndef CHIP_AU8810
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else {
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dev_info(chip->card->dev, "wt stop %d\n", dma);
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vortex_wtdma_stopfifo(chip, dma);
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}
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#endif
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break;
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case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
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//printk(KERN_INFO "vortex: pause %d\n", dma);
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if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
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vortex_adbdma_pausefifo(chip, dma);
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#ifndef CHIP_AU8810
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else
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vortex_wtdma_pausefifo(chip, dma);
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#endif
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break;
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case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
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//printk(KERN_INFO "vortex: resume %d\n", dma);
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if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
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vortex_adbdma_resumefifo(chip, dma);
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#ifndef CHIP_AU8810
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else
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vortex_wtdma_resumefifo(chip, dma);
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#endif
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break;
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default:
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spin_unlock(&chip->lock);
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return -EINVAL;
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}
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spin_unlock(&chip->lock);
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return 0;
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}
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/* pointer callback */
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static snd_pcm_uframes_t snd_vortex_pcm_pointer(struct snd_pcm_substream *substream)
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{
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vortex_t *chip = snd_pcm_substream_chip(substream);
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stream_t *stream = (stream_t *) substream->runtime->private_data;
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int dma = stream->dma;
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snd_pcm_uframes_t current_ptr = 0;
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spin_lock(&chip->lock);
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if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
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current_ptr = vortex_adbdma_getlinearpos(chip, dma);
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#ifndef CHIP_AU8810
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else
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current_ptr = vortex_wtdma_getlinearpos(chip, dma);
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#endif
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//printk(KERN_INFO "vortex: pointer = 0x%x\n", current_ptr);
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spin_unlock(&chip->lock);
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current_ptr = bytes_to_frames(substream->runtime, current_ptr);
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if (current_ptr >= substream->runtime->buffer_size)
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current_ptr = 0;
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return current_ptr;
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}
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/* operators */
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static const struct snd_pcm_ops snd_vortex_playback_ops = {
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.open = snd_vortex_pcm_open,
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.close = snd_vortex_pcm_close,
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.ioctl = snd_pcm_lib_ioctl,
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.hw_params = snd_vortex_pcm_hw_params,
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.hw_free = snd_vortex_pcm_hw_free,
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.prepare = snd_vortex_pcm_prepare,
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.trigger = snd_vortex_pcm_trigger,
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.pointer = snd_vortex_pcm_pointer,
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.page = snd_pcm_sgbuf_ops_page,
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};
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/*
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* 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 const 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;
|
|
}
|