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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/sound/pci/oxygen/oxygen_pcm.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
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.c | 766 |
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; -} |