diff options
Diffstat (limited to 'sound/pci/oxygen/oxygen_pcm.c')
| -rw-r--r-- | sound/pci/oxygen/oxygen_pcm.c | 55 |
1 files changed, 34 insertions, 21 deletions
diff --git a/sound/pci/oxygen/oxygen_pcm.c b/sound/pci/oxygen/oxygen_pcm.c index 814667442eb0..d5533e34ece9 100644 --- a/sound/pci/oxygen/oxygen_pcm.c +++ b/sound/pci/oxygen/oxygen_pcm.c @@ -39,7 +39,8 @@ static const struct snd_pcm_hardware oxygen_stereo_hardware = { SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_PAUSE | - SNDRV_PCM_INFO_SYNC_START, + 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 | @@ -65,7 +66,8 @@ static const struct snd_pcm_hardware oxygen_multichannel_hardware = { SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_PAUSE | - SNDRV_PCM_INFO_SYNC_START, + 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 | @@ -91,7 +93,8 @@ static const struct snd_pcm_hardware oxygen_ac97_hardware = { SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_PAUSE | - SNDRV_PCM_INFO_SYNC_START, + 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, @@ -140,7 +143,7 @@ static int oxygen_open(struct snd_pcm_substream *substream, runtime->hw.rate_min = 44100; break; case PCM_MULTICH: - runtime->hw.channels_max = chip->model.dac_channels; + runtime->hw.channels_max = chip->model.dac_channels_pcm; break; } if (chip->model.pcm_hardware_filter) @@ -271,17 +274,6 @@ static unsigned int oxygen_rate(struct snd_pcm_hw_params *hw_params) } } -unsigned int oxygen_default_i2s_mclk(struct oxygen *chip, - unsigned int channel, - struct snd_pcm_hw_params *hw_params) -{ - if (params_rate(hw_params) <= 96000) - return OXYGEN_I2S_MCLK_256; - else - return OXYGEN_I2S_MCLK_128; -} -EXPORT_SYMBOL(oxygen_default_i2s_mclk); - static unsigned int oxygen_i2s_bits(struct snd_pcm_hw_params *hw_params) { if (params_format(hw_params) == SNDRV_PCM_FORMAT_S32_LE) @@ -341,6 +333,26 @@ static int oxygen_hw_params(struct snd_pcm_substream *substream, 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) { @@ -357,8 +369,8 @@ static int oxygen_rec_a_hw_params(struct snd_pcm_substream *substream, OXYGEN_REC_FORMAT_A_MASK); oxygen_write16_masked(chip, OXYGEN_I2S_A_FORMAT, oxygen_rate(hw_params) | - chip->model.get_i2s_mclk(chip, PCM_A, 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 | @@ -393,9 +405,8 @@ static int oxygen_rec_b_hw_params(struct snd_pcm_substream *substream, if (!is_ac97) oxygen_write16_masked(chip, OXYGEN_I2S_B_FORMAT, oxygen_rate(hw_params) | - chip->model.get_i2s_mclk(chip, PCM_B, - 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 | @@ -476,8 +487,7 @@ static int oxygen_multich_hw_params(struct snd_pcm_substream *substream, oxygen_write16_masked(chip, OXYGEN_I2S_MULTICH_FORMAT, oxygen_rate(hw_params) | chip->model.dac_i2s_format | - chip->model.get_i2s_mclk(chip, PCM_MULTICH, - hw_params) | + get_mclk(chip, PCM_MULTICH, hw_params) | oxygen_i2s_bits(hw_params), OXYGEN_I2S_RATE_MASK | OXYGEN_I2S_FORMAT_MASK | @@ -530,7 +540,10 @@ static int oxygen_prepare(struct snd_pcm_substream *substream) oxygen_set_bits8(chip, OXYGEN_DMA_FLUSH, channel_mask); oxygen_clear_bits8(chip, OXYGEN_DMA_FLUSH, channel_mask); - chip->interrupt_mask |= 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; |