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ASoC: AMD: Audio buffer related changes for Stoney

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Stoney uses 16kb SRAM memory for playback and 16Kb
for capture.Modified Max buffer size to have the
correct mapping between System Memory and SRAM.

Added snd_pcm_hardware structures for playback
and capture for Stoney.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Vijendar Mukunda 2017-10-18 12:13:59 -04:00 committed by Mark Brown
parent aac89748ee
commit 9c7d6fabf2
1 changed files with 78 additions and 5 deletions
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83
sound/soc/amd/acp-pcm-dma.c
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@ -35,6 +35,11 @@
#define MAX_BUFFER (PLAYBACK_MAX_PERIOD_SIZE * PLAYBACK_MAX_NUM_PERIODS)
#define MIN_BUFFER MAX_BUFFER
#define ST_PLAYBACK_MAX_PERIOD_SIZE 8192
#define ST_CAPTURE_MAX_PERIOD_SIZE ST_PLAYBACK_MAX_PERIOD_SIZE
#define ST_MAX_BUFFER (ST_PLAYBACK_MAX_PERIOD_SIZE * PLAYBACK_MAX_NUM_PERIODS)
#define ST_MIN_BUFFER ST_MAX_BUFFER
static const struct snd_pcm_hardware acp_pcm_hardware_playback = {
.info = SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP |
@ -73,6 +78,44 @@ static const struct snd_pcm_hardware acp_pcm_hardware_capture = {
.periods_max = CAPTURE_MAX_NUM_PERIODS,
};
static const struct snd_pcm_hardware acp_st_pcm_hardware_playback = {
.info = SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_BATCH |
SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME,
.formats = SNDRV_PCM_FMTBIT_S16_LE |
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE,
.channels_min = 1,
.channels_max = 8,
.rates = SNDRV_PCM_RATE_8000_96000,
.rate_min = 8000,
.rate_max = 96000,
.buffer_bytes_max = ST_MAX_BUFFER,
.period_bytes_min = PLAYBACK_MIN_PERIOD_SIZE,
.period_bytes_max = ST_PLAYBACK_MAX_PERIOD_SIZE,
.periods_min = PLAYBACK_MIN_NUM_PERIODS,
.periods_max = PLAYBACK_MAX_NUM_PERIODS,
};
static const struct snd_pcm_hardware acp_st_pcm_hardware_capture = {
.info = SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_BATCH |
SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME,
.formats = SNDRV_PCM_FMTBIT_S16_LE |
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE,
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_48000,
.rate_min = 8000,
.rate_max = 48000,
.buffer_bytes_max = ST_MAX_BUFFER,
.period_bytes_min = CAPTURE_MIN_PERIOD_SIZE,
.period_bytes_max = ST_CAPTURE_MAX_PERIOD_SIZE,
.periods_min = CAPTURE_MIN_NUM_PERIODS,
.periods_max = CAPTURE_MAX_NUM_PERIODS,
};
static u32 acp_reg_read(void __iomem *acp_mmio, u32 reg)
{
return readl(acp_mmio + (reg * 4));
@ -664,10 +707,23 @@ static int acp_dma_open(struct snd_pcm_substream *substream)
if (adata == NULL)
return -ENOMEM;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
runtime->hw = acp_pcm_hardware_playback;
else
runtime->hw = acp_pcm_hardware_capture;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
switch (intr_data->asic_type) {
case CHIP_STONEY:
runtime->hw = acp_st_pcm_hardware_playback;
break;
default:
runtime->hw = acp_pcm_hardware_playback;
}
} else {
switch (intr_data->asic_type) {
case CHIP_STONEY:
runtime->hw = acp_st_pcm_hardware_capture;
break;
default:
runtime->hw = acp_pcm_hardware_capture;
}
}
ret = snd_pcm_hw_constraint_integer(runtime,
SNDRV_PCM_HW_PARAM_PERIODS);
@ -905,10 +961,27 @@ static int acp_dma_trigger(struct snd_pcm_substream *substream, int cmd)
static int acp_dma_new(struct snd_soc_pcm_runtime *rtd)
{
return snd_pcm_lib_preallocate_pages_for_all(rtd->pcm,
int ret;
struct audio_drv_data *adata = dev_get_drvdata(rtd->platform->dev);
switch (adata->asic_type) {
case CHIP_STONEY:
ret = snd_pcm_lib_preallocate_pages_for_all(rtd->pcm,
SNDRV_DMA_TYPE_DEV,
NULL, ST_MIN_BUFFER,
ST_MAX_BUFFER);
break;
default:
ret = snd_pcm_lib_preallocate_pages_for_all(rtd->pcm,
SNDRV_DMA_TYPE_DEV,
NULL, MIN_BUFFER,
MAX_BUFFER);
break;
}
if (ret < 0)
dev_err(rtd->platform->dev,
"buffer preallocation failer error:%d\n", ret);
return ret;
}
static int acp_dma_close(struct snd_pcm_substream *substream)