From: Vijendar Mukunda Vijendar.Mukunda@amd.com
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.
Signed-off-by: Vijendar Mukunda Vijendar.Mukunda@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com ---
v2: Added switch cases for asic type.
sound/soc/amd/acp-pcm-dma.c | 73 +++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 68 insertions(+), 5 deletions(-)
diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c index f16e0b8..a6def3b 100644 --- a/sound/soc/amd/acp-pcm-dma.c +++ b/sound/soc/amd/acp-pcm-dma.c @@ -35,6 +35,10 @@ #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 8192 +#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 +77,44 @@ 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 +706,23 @@ 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); @@ -905,7 +960,15 @@ 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, + struct audio_drv_data *adata = dev_get_drvdata(rtd->platform->dev); + + if (adata->asic_type == CHIP_STONEY) + return snd_pcm_lib_preallocate_pages_for_all(rtd->pcm, + SNDRV_DMA_TYPE_DEV, + NULL, ST_MIN_BUFFER, + ST_MAX_BUFFER); + else + return snd_pcm_lib_preallocate_pages_for_all(rtd->pcm, SNDRV_DMA_TYPE_DEV, NULL, MIN_BUFFER, MAX_BUFFER);