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path: root/sound/soc/amd/acp-pcm-dma.c
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Diffstat (limited to 'sound/soc/amd/acp-pcm-dma.c')
-rw-r--r--sound/soc/amd/acp-pcm-dma.c45
1 files changed, 27 insertions, 18 deletions
diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c
index c33a512283a4..a586999ede6f 100644
--- a/sound/soc/amd/acp-pcm-dma.c
+++ b/sound/soc/amd/acp-pcm-dma.c
@@ -23,6 +23,8 @@
#include <drm/amd_asic_type.h>
#include "acp.h"
+#define DRV_NAME "acp_audio_dma"
+
#define PLAYBACK_MIN_NUM_PERIODS 2
#define PLAYBACK_MAX_NUM_PERIODS 2
#define PLAYBACK_MAX_PERIOD_SIZE 16384
@@ -579,13 +581,6 @@ static int acp_init(void __iomem *acp_mmio, u32 asic_type)
for (bank = 1; bank < 48; bank++)
acp_set_sram_bank_state(acp_mmio, bank, false);
}
-
- /* Stoney supports 16bit resolution */
- if (asic_type == CHIP_STONEY) {
- val = acp_reg_read(acp_mmio, mmACP_I2S_16BIT_RESOLUTION_EN);
- val |= 0x03;
- acp_reg_write(val, acp_mmio, mmACP_I2S_16BIT_RESOLUTION_EN);
- }
return 0;
}
@@ -702,8 +697,8 @@ static int acp_dma_open(struct snd_pcm_substream *substream)
int ret = 0;
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *prtd = substream->private_data;
- struct audio_drv_data *intr_data = dev_get_drvdata(prtd->platform->dev);
-
+ struct snd_soc_component *component = snd_soc_rtdcom_lookup(prtd, DRV_NAME);
+ struct audio_drv_data *intr_data = dev_get_drvdata(component->dev);
struct audio_substream_data *adata =
kzalloc(sizeof(struct audio_substream_data), GFP_KERNEL);
if (adata == NULL)
@@ -730,7 +725,7 @@ static int acp_dma_open(struct snd_pcm_substream *substream)
ret = snd_pcm_hw_constraint_integer(runtime,
SNDRV_PCM_HW_PARAM_PERIODS);
if (ret < 0) {
- dev_err(prtd->platform->dev, "set integer constraint failed\n");
+ dev_err(component->dev, "set integer constraint failed\n");
kfree(adata);
return ret;
}
@@ -774,11 +769,13 @@ static int acp_dma_hw_params(struct snd_pcm_substream *substream,
{
int status;
uint64_t size;
+ u32 val = 0;
struct page *pg;
struct snd_pcm_runtime *runtime;
struct audio_substream_data *rtd;
struct snd_soc_pcm_runtime *prtd = substream->private_data;
- struct audio_drv_data *adata = dev_get_drvdata(prtd->platform->dev);
+ struct snd_soc_component *component = snd_soc_rtdcom_lookup(prtd, DRV_NAME);
+ struct audio_drv_data *adata = dev_get_drvdata(component->dev);
runtime = substream->runtime;
rtd = runtime->private_data;
@@ -786,6 +783,14 @@ static int acp_dma_hw_params(struct snd_pcm_substream *substream,
if (WARN_ON(!rtd))
return -EINVAL;
+ if (adata->asic_type == CHIP_STONEY) {
+ val = acp_reg_read(adata->acp_mmio, mmACP_I2S_16BIT_RESOLUTION_EN);
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ val |= ACP_I2S_SP_16BIT_RESOLUTION_EN;
+ else
+ val |= ACP_I2S_MIC_16BIT_RESOLUTION_EN;
+ acp_reg_write(val, adata->acp_mmio, mmACP_I2S_16BIT_RESOLUTION_EN);
+ }
size = params_buffer_bytes(params);
status = snd_pcm_lib_malloc_pages(substream, size);
if (status < 0)
@@ -907,6 +912,7 @@ static int acp_dma_trigger(struct snd_pcm_substream *substream, int cmd)
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *prtd = substream->private_data;
struct audio_substream_data *rtd = runtime->private_data;
+ struct snd_soc_component *component = snd_soc_rtdcom_lookup(prtd, DRV_NAME);
if (!rtd)
return -EINVAL;
@@ -924,7 +930,7 @@ static int acp_dma_trigger(struct snd_pcm_substream *substream, int cmd)
while (acp_reg_read(rtd->acp_mmio, mmACP_DMA_CH_STS) &
BIT(SYSRAM_TO_ACP_CH_NUM)) {
if (!loops--) {
- dev_err(prtd->platform->dev,
+ dev_err(component->dev,
"acp dma start timeout\n");
return -ETIMEDOUT;
}
@@ -970,7 +976,8 @@ static int acp_dma_trigger(struct snd_pcm_substream *substream, int cmd)
static int acp_dma_new(struct snd_soc_pcm_runtime *rtd)
{
int ret;
- struct audio_drv_data *adata = dev_get_drvdata(rtd->platform->dev);
+ struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+ struct audio_drv_data *adata = dev_get_drvdata(component->dev);
switch (adata->asic_type) {
case CHIP_STONEY:
@@ -987,7 +994,7 @@ static int acp_dma_new(struct snd_soc_pcm_runtime *rtd)
break;
}
if (ret < 0)
- dev_err(rtd->platform->dev,
+ dev_err(component->dev,
"buffer preallocation failer error:%d\n", ret);
return ret;
}
@@ -998,7 +1005,8 @@ static int acp_dma_close(struct snd_pcm_substream *substream)
struct snd_pcm_runtime *runtime = substream->runtime;
struct audio_substream_data *rtd = runtime->private_data;
struct snd_soc_pcm_runtime *prtd = substream->private_data;
- struct audio_drv_data *adata = dev_get_drvdata(prtd->platform->dev);
+ struct snd_soc_component *component = snd_soc_rtdcom_lookup(prtd, DRV_NAME);
+ struct audio_drv_data *adata = dev_get_drvdata(component->dev);
kfree(rtd);
@@ -1044,7 +1052,8 @@ static const struct snd_pcm_ops acp_dma_ops = {
.prepare = acp_dma_prepare,
};
-static struct snd_soc_platform_driver acp_asoc_platform = {
+static struct snd_soc_component_driver acp_asoc_platform = {
+ .name = DRV_NAME,
.ops = &acp_dma_ops,
.pcm_new = acp_dma_new,
};
@@ -1102,7 +1111,8 @@ static int acp_audio_probe(struct platform_device *pdev)
return status;
}
- status = snd_soc_register_platform(&pdev->dev, &acp_asoc_platform);
+ status = devm_snd_soc_register_component(&pdev->dev,
+ &acp_asoc_platform, NULL, 0);
if (status != 0) {
dev_err(&pdev->dev, "Fail to register ALSA platform device\n");
return status;
@@ -1123,7 +1133,6 @@ static int acp_audio_remove(struct platform_device *pdev)
status = acp_deinit(adata->acp_mmio);
if (status)
dev_err(&pdev->dev, "ACP Deinit failed status:%d\n", status);
- snd_soc_unregister_platform(&pdev->dev);
pm_runtime_disable(&pdev->dev);
return 0;
generated by cgit (git 2.34.1) at 2024-06-30 16:32:53 +0000