aboutsummaryrefslogtreecommitdiff
path: root/sound/pci/oxygen/oxygen_pcm.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/pci/oxygen/oxygen_pcm.c')
-rw-r--r--sound/pci/oxygen/oxygen_pcm.c73
1 files changed, 40 insertions, 33 deletions
diff --git a/sound/pci/oxygen/oxygen_pcm.c b/sound/pci/oxygen/oxygen_pcm.c
index 9dff6954c39..cc0bcd9f335 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 |
@@ -56,8 +57,8 @@ static const struct snd_pcm_hardware oxygen_stereo_hardware = {
.channels_max = 2,
.buffer_bytes_max = BUFFER_BYTES_MAX,
.period_bytes_min = PERIOD_BYTES_MIN,
- .period_bytes_max = BUFFER_BYTES_MAX / 2,
- .periods_min = 2,
+ .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 = {
@@ -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 |
@@ -82,8 +84,8 @@ static const struct snd_pcm_hardware oxygen_multichannel_hardware = {
.channels_max = 8,
.buffer_bytes_max = BUFFER_BYTES_MAX_MULTICH,
.period_bytes_min = PERIOD_BYTES_MIN,
- .period_bytes_max = BUFFER_BYTES_MAX_MULTICH / 2,
- .periods_min = 2,
+ .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 = {
@@ -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,
@@ -100,8 +103,8 @@ static const struct snd_pcm_hardware oxygen_ac97_hardware = {
.channels_max = 2,
.buffer_bytes_max = BUFFER_BYTES_MAX,
.period_bytes_min = PERIOD_BYTES_MIN,
- .period_bytes_max = BUFFER_BYTES_MAX / 2,
- .periods_min = 2,
+ .period_bytes_max = BUFFER_BYTES_MAX,
+ .periods_min = 1,
.periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN,
};
@@ -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)
@@ -165,12 +168,6 @@ static int oxygen_open(struct snd_pcm_substream *substream,
if (err < 0)
return err;
}
- if (channel == PCM_MULTICH) {
- err = snd_pcm_hw_constraint_minmax
- (runtime, SNDRV_PCM_HW_PARAM_PERIOD_TIME, 0, 8192000);
- if (err < 0)
- return err;
- }
snd_pcm_set_sync(substream);
chip->streams[channel] = substream;
@@ -271,17 +268,6 @@ 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 +327,26 @@ 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 +363,8 @@ 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 +399,8 @@ 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 +481,7 @@ 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 +534,10 @@ 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;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 11:47:51 +0000