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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/sound/pci/oxygen/oxygen_pcm.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/sound/pci/oxygen/oxygen_pcm.c')
-rw-r--r--ANDROID_3.4.5/sound/pci/oxygen/oxygen_pcm.c766
1 files changed, 0 insertions, 766 deletions
diff --git a/ANDROID_3.4.5/sound/pci/oxygen/oxygen_pcm.c b/ANDROID_3.4.5/sound/pci/oxygen/oxygen_pcm.c
deleted file mode 100644
index cc0bcd9f..00000000
--- a/ANDROID_3.4.5/sound/pci/oxygen/oxygen_pcm.c
+++ /dev/null
@@ -1,766 +0,0 @@
-/*
- * C-Media CMI8788 driver - PCM code
- *
- * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
- *
- *
- * This driver is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2.
- *
- * This driver 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 driver; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <linux/pci.h>
-#include <sound/control.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include "oxygen.h"
-
-/* most DMA channels have a 16-bit counter for 32-bit words */
-#define BUFFER_BYTES_MAX ((1 << 16) * 4)
-/* the multichannel DMA channel has a 24-bit counter */
-#define BUFFER_BYTES_MAX_MULTICH ((1 << 24) * 4)
-
-#define PERIOD_BYTES_MIN 64
-
-#define DEFAULT_BUFFER_BYTES (BUFFER_BYTES_MAX / 2)
-#define DEFAULT_BUFFER_BYTES_MULTICH (1024 * 1024)
-
-static const struct snd_pcm_hardware oxygen_stereo_hardware = {
- .info = SNDRV_PCM_INFO_MMAP |
- SNDRV_PCM_INFO_MMAP_VALID |
- SNDRV_PCM_INFO_INTERLEAVED |
- SNDRV_PCM_INFO_PAUSE |
- SNDRV_PCM_INFO_SYNC_START |
- SNDRV_PCM_INFO_NO_PERIOD_WAKEUP,
- .formats = SNDRV_PCM_FMTBIT_S16_LE |
- SNDRV_PCM_FMTBIT_S32_LE,
- .rates = SNDRV_PCM_RATE_32000 |
- SNDRV_PCM_RATE_44100 |
- SNDRV_PCM_RATE_48000 |
- SNDRV_PCM_RATE_64000 |
- SNDRV_PCM_RATE_88200 |
- SNDRV_PCM_RATE_96000 |
- SNDRV_PCM_RATE_176400 |
- SNDRV_PCM_RATE_192000,
- .rate_min = 32000,
- .rate_max = 192000,
- .channels_min = 2,
- .channels_max = 2,
- .buffer_bytes_max = BUFFER_BYTES_MAX,
- .period_bytes_min = PERIOD_BYTES_MIN,
- .period_bytes_max = BUFFER_BYTES_MAX,
- .periods_min = 1,
- .periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN,
-};
-static const struct snd_pcm_hardware oxygen_multichannel_hardware = {
- .info = SNDRV_PCM_INFO_MMAP |
- SNDRV_PCM_INFO_MMAP_VALID |
- SNDRV_PCM_INFO_INTERLEAVED |
- SNDRV_PCM_INFO_PAUSE |
- SNDRV_PCM_INFO_SYNC_START |
- SNDRV_PCM_INFO_NO_PERIOD_WAKEUP,
- .formats = SNDRV_PCM_FMTBIT_S16_LE |
- SNDRV_PCM_FMTBIT_S32_LE,
- .rates = SNDRV_PCM_RATE_32000 |
- SNDRV_PCM_RATE_44100 |
- SNDRV_PCM_RATE_48000 |
- SNDRV_PCM_RATE_64000 |
- SNDRV_PCM_RATE_88200 |
- SNDRV_PCM_RATE_96000 |
- SNDRV_PCM_RATE_176400 |
- SNDRV_PCM_RATE_192000,
- .rate_min = 32000,
- .rate_max = 192000,
- .channels_min = 2,
- .channels_max = 8,
- .buffer_bytes_max = BUFFER_BYTES_MAX_MULTICH,
- .period_bytes_min = PERIOD_BYTES_MIN,
- .period_bytes_max = BUFFER_BYTES_MAX_MULTICH,
- .periods_min = 1,
- .periods_max = BUFFER_BYTES_MAX_MULTICH / PERIOD_BYTES_MIN,
-};
-static const struct snd_pcm_hardware oxygen_ac97_hardware = {
- .info = SNDRV_PCM_INFO_MMAP |
- SNDRV_PCM_INFO_MMAP_VALID |
- SNDRV_PCM_INFO_INTERLEAVED |
- SNDRV_PCM_INFO_PAUSE |
- SNDRV_PCM_INFO_SYNC_START |
- SNDRV_PCM_INFO_NO_PERIOD_WAKEUP,
- .formats = SNDRV_PCM_FMTBIT_S16_LE,
- .rates = SNDRV_PCM_RATE_48000,
- .rate_min = 48000,
- .rate_max = 48000,
- .channels_min = 2,
- .channels_max = 2,
- .buffer_bytes_max = BUFFER_BYTES_MAX,
- .period_bytes_min = PERIOD_BYTES_MIN,
- .period_bytes_max = BUFFER_BYTES_MAX,
- .periods_min = 1,
- .periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN,
-};
-
-static const struct snd_pcm_hardware *const oxygen_hardware[PCM_COUNT] = {
- [PCM_A] = &oxygen_stereo_hardware,
- [PCM_B] = &oxygen_stereo_hardware,
- [PCM_C] = &oxygen_stereo_hardware,
- [PCM_SPDIF] = &oxygen_stereo_hardware,
- [PCM_MULTICH] = &oxygen_multichannel_hardware,
- [PCM_AC97] = &oxygen_ac97_hardware,
-};
-
-static inline unsigned int
-oxygen_substream_channel(struct snd_pcm_substream *substream)
-{
- return (unsigned int)(uintptr_t)substream->runtime->private_data;
-}
-
-static int oxygen_open(struct snd_pcm_substream *substream,
- unsigned int channel)
-{
- struct oxygen *chip = snd_pcm_substream_chip(substream);
- struct snd_pcm_runtime *runtime = substream->runtime;
- int err;
-
- runtime->private_data = (void *)(uintptr_t)channel;
- if (channel == PCM_B && chip->has_ac97_1 &&
- (chip->model.device_config & CAPTURE_2_FROM_AC97_1))
- runtime->hw = oxygen_ac97_hardware;
- else
- runtime->hw = *oxygen_hardware[channel];
- switch (channel) {
- case PCM_C:
- runtime->hw.rates &= ~(SNDRV_PCM_RATE_32000 |
- SNDRV_PCM_RATE_64000);
- runtime->hw.rate_min = 44100;
- break;
- case PCM_MULTICH:
- runtime->hw.channels_max = chip->model.dac_channels_pcm;
- break;
- }
- if (chip->model.pcm_hardware_filter)
- chip->model.pcm_hardware_filter(channel, &runtime->hw);
- err = snd_pcm_hw_constraint_step(runtime, 0,
- SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32);
- if (err < 0)
- return err;
- err = snd_pcm_hw_constraint_step(runtime, 0,
- SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 32);
- if (err < 0)
- return err;
- if (runtime->hw.formats & SNDRV_PCM_FMTBIT_S32_LE) {
- err = snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
- if (err < 0)
- return err;
- }
- if (runtime->hw.channels_max > 2) {
- err = snd_pcm_hw_constraint_step(runtime, 0,
- SNDRV_PCM_HW_PARAM_CHANNELS,
- 2);
- if (err < 0)
- return err;
- }
- snd_pcm_set_sync(substream);
- chip->streams[channel] = substream;
-
- mutex_lock(&chip->mutex);
- chip->pcm_active |= 1 << channel;
- if (channel == PCM_SPDIF) {
- chip->spdif_pcm_bits = chip->spdif_bits;
- chip->controls[CONTROL_SPDIF_PCM]->vd[0].access &=
- ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
- snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE |
- SNDRV_CTL_EVENT_MASK_INFO,
- &chip->controls[CONTROL_SPDIF_PCM]->id);
- }
- mutex_unlock(&chip->mutex);
-
- return 0;
-}
-
-static int oxygen_rec_a_open(struct snd_pcm_substream *substream)
-{
- return oxygen_open(substream, PCM_A);
-}
-
-static int oxygen_rec_b_open(struct snd_pcm_substream *substream)
-{
- return oxygen_open(substream, PCM_B);
-}
-
-static int oxygen_rec_c_open(struct snd_pcm_substream *substream)
-{
- return oxygen_open(substream, PCM_C);
-}
-
-static int oxygen_spdif_open(struct snd_pcm_substream *substream)
-{
- return oxygen_open(substream, PCM_SPDIF);
-}
-
-static int oxygen_multich_open(struct snd_pcm_substream *substream)
-{
- return oxygen_open(substream, PCM_MULTICH);
-}
-
-static int oxygen_ac97_open(struct snd_pcm_substream *substream)
-{
- return oxygen_open(substream, PCM_AC97);
-}
-
-static int oxygen_close(struct snd_pcm_substream *substream)
-{
- struct oxygen *chip = snd_pcm_substream_chip(substream);
- unsigned int channel = oxygen_substream_channel(substream);
-
- mutex_lock(&chip->mutex);
- chip->pcm_active &= ~(1 << channel);
- if (channel == PCM_SPDIF) {
- chip->controls[CONTROL_SPDIF_PCM]->vd[0].access |=
- SNDRV_CTL_ELEM_ACCESS_INACTIVE;
- snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE |
- SNDRV_CTL_EVENT_MASK_INFO,
- &chip->controls[CONTROL_SPDIF_PCM]->id);
- }
- if (channel == PCM_SPDIF || channel == PCM_MULTICH)
- oxygen_update_spdif_source(chip);
- mutex_unlock(&chip->mutex);
-
- chip->streams[channel] = NULL;
- return 0;
-}
-
-static unsigned int oxygen_format(struct snd_pcm_hw_params *hw_params)
-{
- if (params_format(hw_params) == SNDRV_PCM_FORMAT_S32_LE)
- return OXYGEN_FORMAT_24;
- else
- return OXYGEN_FORMAT_16;
-}
-
-static unsigned int oxygen_rate(struct snd_pcm_hw_params *hw_params)
-{
- switch (params_rate(hw_params)) {
- case 32000:
- return OXYGEN_RATE_32000;
- case 44100:
- return OXYGEN_RATE_44100;
- default: /* 48000 */
- return OXYGEN_RATE_48000;
- case 64000:
- return OXYGEN_RATE_64000;
- case 88200:
- return OXYGEN_RATE_88200;
- case 96000:
- return OXYGEN_RATE_96000;
- case 176400:
- return OXYGEN_RATE_176400;
- case 192000:
- return OXYGEN_RATE_192000;
- }
-}
-
-static unsigned int oxygen_i2s_bits(struct snd_pcm_hw_params *hw_params)
-{
- if (params_format(hw_params) == SNDRV_PCM_FORMAT_S32_LE)
- return OXYGEN_I2S_BITS_24;
- else
- return OXYGEN_I2S_BITS_16;
-}
-
-static unsigned int oxygen_play_channels(struct snd_pcm_hw_params *hw_params)
-{
- switch (params_channels(hw_params)) {
- default: /* 2 */
- return OXYGEN_PLAY_CHANNELS_2;
- case 4:
- return OXYGEN_PLAY_CHANNELS_4;
- case 6:
- return OXYGEN_PLAY_CHANNELS_6;
- case 8:
- return OXYGEN_PLAY_CHANNELS_8;
- }
-}
-
-static const unsigned int channel_base_registers[PCM_COUNT] = {
- [PCM_A] = OXYGEN_DMA_A_ADDRESS,
- [PCM_B] = OXYGEN_DMA_B_ADDRESS,
- [PCM_C] = OXYGEN_DMA_C_ADDRESS,
- [PCM_SPDIF] = OXYGEN_DMA_SPDIF_ADDRESS,
- [PCM_MULTICH] = OXYGEN_DMA_MULTICH_ADDRESS,
- [PCM_AC97] = OXYGEN_DMA_AC97_ADDRESS,
-};
-
-static int oxygen_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *hw_params)
-{
- struct oxygen *chip = snd_pcm_substream_chip(substream);
- unsigned int channel = oxygen_substream_channel(substream);
- int err;
-
- err = snd_pcm_lib_malloc_pages(substream,
- params_buffer_bytes(hw_params));
- if (err < 0)
- return err;
-
- oxygen_write32(chip, channel_base_registers[channel],
- (u32)substream->runtime->dma_addr);
- if (channel == PCM_MULTICH) {
- oxygen_write32(chip, OXYGEN_DMA_MULTICH_COUNT,
- params_buffer_bytes(hw_params) / 4 - 1);
- oxygen_write32(chip, OXYGEN_DMA_MULTICH_TCOUNT,
- params_period_bytes(hw_params) / 4 - 1);
- } else {
- oxygen_write16(chip, channel_base_registers[channel] + 4,
- params_buffer_bytes(hw_params) / 4 - 1);
- oxygen_write16(chip, channel_base_registers[channel] + 6,
- params_period_bytes(hw_params) / 4 - 1);
- }
- return 0;
-}
-
-static u16 get_mclk(struct oxygen *chip, unsigned int channel,
- struct snd_pcm_hw_params *params)
-{
- unsigned int mclks, shift;
-
- if (channel == PCM_MULTICH)
- mclks = chip->model.dac_mclks;
- else
- mclks = chip->model.adc_mclks;
-
- if (params_rate(params) <= 48000)
- shift = 0;
- else if (params_rate(params) <= 96000)
- shift = 2;
- else
- shift = 4;
-
- return OXYGEN_I2S_MCLK(mclks >> shift);
-}
-
-static int oxygen_rec_a_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *hw_params)
-{
- struct oxygen *chip = snd_pcm_substream_chip(substream);
- int err;
-
- err = oxygen_hw_params(substream, hw_params);
- if (err < 0)
- return err;
-
- spin_lock_irq(&chip->reg_lock);
- oxygen_write8_masked(chip, OXYGEN_REC_FORMAT,
- oxygen_format(hw_params) << OXYGEN_REC_FORMAT_A_SHIFT,
- OXYGEN_REC_FORMAT_A_MASK);
- oxygen_write16_masked(chip, OXYGEN_I2S_A_FORMAT,
- oxygen_rate(hw_params) |
- chip->model.adc_i2s_format |
- get_mclk(chip, PCM_A, hw_params) |
- oxygen_i2s_bits(hw_params),
- OXYGEN_I2S_RATE_MASK |
- OXYGEN_I2S_FORMAT_MASK |
- OXYGEN_I2S_MCLK_MASK |
- OXYGEN_I2S_BITS_MASK);
- spin_unlock_irq(&chip->reg_lock);
-
- mutex_lock(&chip->mutex);
- chip->model.set_adc_params(chip, hw_params);
- mutex_unlock(&chip->mutex);
- return 0;
-}
-
-static int oxygen_rec_b_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *hw_params)
-{
- struct oxygen *chip = snd_pcm_substream_chip(substream);
- int is_ac97;
- int err;
-
- err = oxygen_hw_params(substream, hw_params);
- if (err < 0)
- return err;
-
- is_ac97 = chip->has_ac97_1 &&
- (chip->model.device_config & CAPTURE_2_FROM_AC97_1);
-
- spin_lock_irq(&chip->reg_lock);
- oxygen_write8_masked(chip, OXYGEN_REC_FORMAT,
- oxygen_format(hw_params) << OXYGEN_REC_FORMAT_B_SHIFT,
- OXYGEN_REC_FORMAT_B_MASK);
- if (!is_ac97)
- oxygen_write16_masked(chip, OXYGEN_I2S_B_FORMAT,
- oxygen_rate(hw_params) |
- chip->model.adc_i2s_format |
- get_mclk(chip, PCM_B, hw_params) |
- oxygen_i2s_bits(hw_params),
- OXYGEN_I2S_RATE_MASK |
- OXYGEN_I2S_FORMAT_MASK |
- OXYGEN_I2S_MCLK_MASK |
- OXYGEN_I2S_BITS_MASK);
- spin_unlock_irq(&chip->reg_lock);
-
- if (!is_ac97) {
- mutex_lock(&chip->mutex);
- chip->model.set_adc_params(chip, hw_params);
- mutex_unlock(&chip->mutex);
- }
- return 0;
-}
-
-static int oxygen_rec_c_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *hw_params)
-{
- struct oxygen *chip = snd_pcm_substream_chip(substream);
- int err;
-
- err = oxygen_hw_params(substream, hw_params);
- if (err < 0)
- return err;
-
- spin_lock_irq(&chip->reg_lock);
- oxygen_write8_masked(chip, OXYGEN_REC_FORMAT,
- oxygen_format(hw_params) << OXYGEN_REC_FORMAT_C_SHIFT,
- OXYGEN_REC_FORMAT_C_MASK);
- spin_unlock_irq(&chip->reg_lock);
- return 0;
-}
-
-static int oxygen_spdif_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *hw_params)
-{
- struct oxygen *chip = snd_pcm_substream_chip(substream);
- int err;
-
- err = oxygen_hw_params(substream, hw_params);
- if (err < 0)
- return err;
-
- mutex_lock(&chip->mutex);
- spin_lock_irq(&chip->reg_lock);
- oxygen_clear_bits32(chip, OXYGEN_SPDIF_CONTROL,
- OXYGEN_SPDIF_OUT_ENABLE);
- oxygen_write8_masked(chip, OXYGEN_PLAY_FORMAT,
- oxygen_format(hw_params) << OXYGEN_SPDIF_FORMAT_SHIFT,
- OXYGEN_SPDIF_FORMAT_MASK);
- oxygen_write32_masked(chip, OXYGEN_SPDIF_CONTROL,
- oxygen_rate(hw_params) << OXYGEN_SPDIF_OUT_RATE_SHIFT,
- OXYGEN_SPDIF_OUT_RATE_MASK);
- oxygen_update_spdif_source(chip);
- spin_unlock_irq(&chip->reg_lock);
- mutex_unlock(&chip->mutex);
- return 0;
-}
-
-static int oxygen_multich_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *hw_params)
-{
- struct oxygen *chip = snd_pcm_substream_chip(substream);
- int err;
-
- err = oxygen_hw_params(substream, hw_params);
- if (err < 0)
- return err;
-
- mutex_lock(&chip->mutex);
- spin_lock_irq(&chip->reg_lock);
- oxygen_write8_masked(chip, OXYGEN_PLAY_CHANNELS,
- oxygen_play_channels(hw_params),
- OXYGEN_PLAY_CHANNELS_MASK);
- oxygen_write8_masked(chip, OXYGEN_PLAY_FORMAT,
- oxygen_format(hw_params) << OXYGEN_MULTICH_FORMAT_SHIFT,
- OXYGEN_MULTICH_FORMAT_MASK);
- oxygen_write16_masked(chip, OXYGEN_I2S_MULTICH_FORMAT,
- oxygen_rate(hw_params) |
- chip->model.dac_i2s_format |
- get_mclk(chip, PCM_MULTICH, hw_params) |
- oxygen_i2s_bits(hw_params),
- OXYGEN_I2S_RATE_MASK |
- OXYGEN_I2S_FORMAT_MASK |
- OXYGEN_I2S_MCLK_MASK |
- OXYGEN_I2S_BITS_MASK);
- oxygen_update_spdif_source(chip);
- spin_unlock_irq(&chip->reg_lock);
-
- chip->model.set_dac_params(chip, hw_params);
- oxygen_update_dac_routing(chip);
- mutex_unlock(&chip->mutex);
- return 0;
-}
-
-static int oxygen_hw_free(struct snd_pcm_substream *substream)
-{
- struct oxygen *chip = snd_pcm_substream_chip(substream);
- unsigned int channel = oxygen_substream_channel(substream);
- unsigned int channel_mask = 1 << channel;
-
- spin_lock_irq(&chip->reg_lock);
- chip->interrupt_mask &= ~channel_mask;
- oxygen_write16(chip, OXYGEN_INTERRUPT_MASK, chip->interrupt_mask);
-
- oxygen_set_bits8(chip, OXYGEN_DMA_FLUSH, channel_mask);
- oxygen_clear_bits8(chip, OXYGEN_DMA_FLUSH, channel_mask);
- spin_unlock_irq(&chip->reg_lock);
-
- return snd_pcm_lib_free_pages(substream);
-}
-
-static int oxygen_spdif_hw_free(struct snd_pcm_substream *substream)
-{
- struct oxygen *chip = snd_pcm_substream_chip(substream);
-
- spin_lock_irq(&chip->reg_lock);
- oxygen_clear_bits32(chip, OXYGEN_SPDIF_CONTROL,
- OXYGEN_SPDIF_OUT_ENABLE);
- spin_unlock_irq(&chip->reg_lock);
- return oxygen_hw_free(substream);
-}
-
-static int oxygen_prepare(struct snd_pcm_substream *substream)
-{
- struct oxygen *chip = snd_pcm_substream_chip(substream);
- unsigned int channel = oxygen_substream_channel(substream);
- unsigned int channel_mask = 1 << channel;
-
- spin_lock_irq(&chip->reg_lock);
- oxygen_set_bits8(chip, OXYGEN_DMA_FLUSH, channel_mask);
- oxygen_clear_bits8(chip, OXYGEN_DMA_FLUSH, channel_mask);
-
- if (substream->runtime->no_period_wakeup)
- chip->interrupt_mask &= ~channel_mask;
- else
- chip->interrupt_mask |= channel_mask;
- oxygen_write16(chip, OXYGEN_INTERRUPT_MASK, chip->interrupt_mask);
- spin_unlock_irq(&chip->reg_lock);
- return 0;
-}
-
-static int oxygen_trigger(struct snd_pcm_substream *substream, int cmd)
-{
- struct oxygen *chip = snd_pcm_substream_chip(substream);
- struct snd_pcm_substream *s;
- unsigned int mask = 0;
- int pausing;
-
- switch (cmd) {
- case SNDRV_PCM_TRIGGER_STOP:
- case SNDRV_PCM_TRIGGER_START:
- case SNDRV_PCM_TRIGGER_SUSPEND:
- pausing = 0;
- break;
- case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
- case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- pausing = 1;
- break;
- default:
- return -EINVAL;
- }
-
- snd_pcm_group_for_each_entry(s, substream) {
- if (snd_pcm_substream_chip(s) == chip) {
- mask |= 1 << oxygen_substream_channel(s);
- snd_pcm_trigger_done(s, substream);
- }
- }
-
- spin_lock(&chip->reg_lock);
- if (!pausing) {
- if (cmd == SNDRV_PCM_TRIGGER_START)
- chip->pcm_running |= mask;
- else
- chip->pcm_running &= ~mask;
- oxygen_write8(chip, OXYGEN_DMA_STATUS, chip->pcm_running);
- } else {
- if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
- oxygen_set_bits8(chip, OXYGEN_DMA_PAUSE, mask);
- else
- oxygen_clear_bits8(chip, OXYGEN_DMA_PAUSE, mask);
- }
- spin_unlock(&chip->reg_lock);
- return 0;
-}
-
-static snd_pcm_uframes_t oxygen_pointer(struct snd_pcm_substream *substream)
-{
- struct oxygen *chip = snd_pcm_substream_chip(substream);
- struct snd_pcm_runtime *runtime = substream->runtime;
- unsigned int channel = oxygen_substream_channel(substream);
- u32 curr_addr;
-
- /* no spinlock, this read should be atomic */
- curr_addr = oxygen_read32(chip, channel_base_registers[channel]);
- return bytes_to_frames(runtime, curr_addr - (u32)runtime->dma_addr);
-}
-
-static struct snd_pcm_ops oxygen_rec_a_ops = {
- .open = oxygen_rec_a_open,
- .close = oxygen_close,
- .ioctl = snd_pcm_lib_ioctl,
- .hw_params = oxygen_rec_a_hw_params,
- .hw_free = oxygen_hw_free,
- .prepare = oxygen_prepare,
- .trigger = oxygen_trigger,
- .pointer = oxygen_pointer,
-};
-
-static struct snd_pcm_ops oxygen_rec_b_ops = {
- .open = oxygen_rec_b_open,
- .close = oxygen_close,
- .ioctl = snd_pcm_lib_ioctl,
- .hw_params = oxygen_rec_b_hw_params,
- .hw_free = oxygen_hw_free,
- .prepare = oxygen_prepare,
- .trigger = oxygen_trigger,
- .pointer = oxygen_pointer,
-};
-
-static struct snd_pcm_ops oxygen_rec_c_ops = {
- .open = oxygen_rec_c_open,
- .close = oxygen_close,
- .ioctl = snd_pcm_lib_ioctl,
- .hw_params = oxygen_rec_c_hw_params,
- .hw_free = oxygen_hw_free,
- .prepare = oxygen_prepare,
- .trigger = oxygen_trigger,
- .pointer = oxygen_pointer,
-};
-
-static struct snd_pcm_ops oxygen_spdif_ops = {
- .open = oxygen_spdif_open,
- .close = oxygen_close,
- .ioctl = snd_pcm_lib_ioctl,
- .hw_params = oxygen_spdif_hw_params,
- .hw_free = oxygen_spdif_hw_free,
- .prepare = oxygen_prepare,
- .trigger = oxygen_trigger,
- .pointer = oxygen_pointer,
-};
-
-static struct snd_pcm_ops oxygen_multich_ops = {
- .open = oxygen_multich_open,
- .close = oxygen_close,
- .ioctl = snd_pcm_lib_ioctl,
- .hw_params = oxygen_multich_hw_params,
- .hw_free = oxygen_hw_free,
- .prepare = oxygen_prepare,
- .trigger = oxygen_trigger,
- .pointer = oxygen_pointer,
-};
-
-static struct snd_pcm_ops oxygen_ac97_ops = {
- .open = oxygen_ac97_open,
- .close = oxygen_close,
- .ioctl = snd_pcm_lib_ioctl,
- .hw_params = oxygen_hw_params,
- .hw_free = oxygen_hw_free,
- .prepare = oxygen_prepare,
- .trigger = oxygen_trigger,
- .pointer = oxygen_pointer,
-};
-
-static void oxygen_pcm_free(struct snd_pcm *pcm)
-{
- snd_pcm_lib_preallocate_free_for_all(pcm);
-}
-
-int oxygen_pcm_init(struct oxygen *chip)
-{
- struct snd_pcm *pcm;
- int outs, ins;
- int err;
-
- outs = !!(chip->model.device_config & PLAYBACK_0_TO_I2S);
- ins = !!(chip->model.device_config & (CAPTURE_0_FROM_I2S_1 |
- CAPTURE_0_FROM_I2S_2));
- if (outs | ins) {
- err = snd_pcm_new(chip->card, "Multichannel",
- 0, outs, ins, &pcm);
- if (err < 0)
- return err;
- if (outs)
- snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
- &oxygen_multich_ops);
- if (chip->model.device_config & CAPTURE_0_FROM_I2S_1)
- snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
- &oxygen_rec_a_ops);
- else if (chip->model.device_config & CAPTURE_0_FROM_I2S_2)
- snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
- &oxygen_rec_b_ops);
- pcm->private_data = chip;
- pcm->private_free = oxygen_pcm_free;
- strcpy(pcm->name, "Multichannel");
- if (outs)
- snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream,
- SNDRV_DMA_TYPE_DEV,
- snd_dma_pci_data(chip->pci),
- DEFAULT_BUFFER_BYTES_MULTICH,
- BUFFER_BYTES_MAX_MULTICH);
- if (ins)
- snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream,
- SNDRV_DMA_TYPE_DEV,
- snd_dma_pci_data(chip->pci),
- DEFAULT_BUFFER_BYTES,
- BUFFER_BYTES_MAX);
- }
-
- outs = !!(chip->model.device_config & PLAYBACK_1_TO_SPDIF);
- ins = !!(chip->model.device_config & CAPTURE_1_FROM_SPDIF);
- if (outs | ins) {
- err = snd_pcm_new(chip->card, "Digital", 1, outs, ins, &pcm);
- if (err < 0)
- return err;
- if (outs)
- snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
- &oxygen_spdif_ops);
- if (ins)
- snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
- &oxygen_rec_c_ops);
- pcm->private_data = chip;
- pcm->private_free = oxygen_pcm_free;
- strcpy(pcm->name, "Digital");
- snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
- snd_dma_pci_data(chip->pci),
- DEFAULT_BUFFER_BYTES,
- BUFFER_BYTES_MAX);
- }
-
- if (chip->has_ac97_1) {
- outs = !!(chip->model.device_config & PLAYBACK_2_TO_AC97_1);
- ins = !!(chip->model.device_config & CAPTURE_2_FROM_AC97_1);
- } else {
- outs = 0;
- ins = !!(chip->model.device_config & CAPTURE_2_FROM_I2S_2);
- }
- if (outs | ins) {
- err = snd_pcm_new(chip->card, outs ? "AC97" : "Analog2",
- 2, outs, ins, &pcm);
- if (err < 0)
- return err;
- if (outs) {
- snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
- &oxygen_ac97_ops);
- oxygen_write8_masked(chip, OXYGEN_REC_ROUTING,
- OXYGEN_REC_B_ROUTE_AC97_1,
- OXYGEN_REC_B_ROUTE_MASK);
- }
- if (ins)
- snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
- &oxygen_rec_b_ops);
- pcm->private_data = chip;
- pcm->private_free = oxygen_pcm_free;
- strcpy(pcm->name, outs ? "Front Panel" : "Analog 2");
- snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
- snd_dma_pci_data(chip->pci),
- DEFAULT_BUFFER_BYTES,
- BUFFER_BYTES_MAX);
- }
- return 0;
-}