[PATCH 03/12] ASoC: amd: acp: Update pcm hardware capabilities for acp6.3 platform

From: Venkata Prasad Potturu
Date: Tue Sep 03 2024 - 07:35:27 EST


Update pcm hardware capabilities based on acp revision id.

Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@xxxxxxx>
---
sound/soc/amd/acp/acp-platform.c | 61 +++++++++++++++++++++++++++++---
1 file changed, 56 insertions(+), 5 deletions(-)

diff --git a/sound/soc/amd/acp/acp-platform.c b/sound/soc/amd/acp/acp-platform.c
index 4f409cd09c11..238b4f648f44 100644
--- a/sound/soc/amd/acp/acp-platform.c
+++ b/sound/soc/amd/acp/acp-platform.c
@@ -68,6 +68,46 @@ static const struct snd_pcm_hardware acp_pcm_hardware_capture = {
.periods_max = CAPTURE_MAX_NUM_PERIODS,
};

+static const struct snd_pcm_hardware acp6x_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_PAUSE | SNDRV_PCM_INFO_RESUME,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
+ SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
+ .channels_min = 2,
+ .channels_max = 32,
+ .rates = SNDRV_PCM_RATE_8000_192000,
+ .rate_min = 8000,
+ .rate_max = 192000,
+ .buffer_bytes_max = PLAYBACK_MAX_NUM_PERIODS * PLAYBACK_MAX_PERIOD_SIZE,
+ .period_bytes_min = PLAYBACK_MIN_PERIOD_SIZE,
+ .period_bytes_max = PLAYBACK_MAX_PERIOD_SIZE,
+ .periods_min = PLAYBACK_MIN_NUM_PERIODS,
+ .periods_max = PLAYBACK_MAX_NUM_PERIODS,
+};
+
+static const struct snd_pcm_hardware acp6x_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_PAUSE | SNDRV_PCM_INFO_RESUME,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
+ SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
+ .channels_min = 2,
+ .channels_max = 32,
+ .rates = SNDRV_PCM_RATE_8000_192000,
+ .rate_min = 8000,
+ .rate_max = 192000,
+ .buffer_bytes_max = CAPTURE_MAX_NUM_PERIODS * CAPTURE_MAX_PERIOD_SIZE,
+ .period_bytes_min = CAPTURE_MIN_PERIOD_SIZE,
+ .period_bytes_max = CAPTURE_MAX_PERIOD_SIZE,
+ .periods_min = CAPTURE_MIN_NUM_PERIODS,
+ .periods_max = CAPTURE_MAX_NUM_PERIODS,
+};
+
int acp_machine_select(struct acp_dev_data *adata)
{
struct snd_soc_acpi_mach *mach;
@@ -183,6 +223,7 @@ static int acp_dma_open(struct snd_soc_component *component, struct snd_pcm_subs
struct snd_pcm_runtime *runtime = substream->runtime;
struct device *dev = component->dev;
struct acp_dev_data *adata = dev_get_drvdata(dev);
+ struct acp_chip_info *chip;
struct acp_stream *stream;
int ret;

@@ -191,11 +232,21 @@ static int acp_dma_open(struct snd_soc_component *component, struct snd_pcm_subs
return -ENOMEM;

stream->substream = substream;
-
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- runtime->hw = acp_pcm_hardware_playback;
- else
- runtime->hw = acp_pcm_hardware_capture;
+ chip = dev_get_platdata(dev);
+ switch (chip->acp_rev) {
+ case ACP63_DEV:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ runtime->hw = acp6x_pcm_hardware_playback;
+ else
+ runtime->hw = acp6x_pcm_hardware_capture;
+ break;
+ default:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ runtime->hw = acp_pcm_hardware_playback;
+ else
+ runtime->hw = acp_pcm_hardware_capture;
+ break;
+ }

ret = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, DMA_SIZE);
if (ret) {
--
2.39.2