@@ -836,7 +836,6 @@ static int acp_dma_hw_params(struct snd_soc_component *component,
struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
- int status;
uint64_t size;
u32 val = 0;
struct snd_pcm_runtime *runtime;
@@ -967,35 +966,19 @@ static int acp_dma_hw_params(struct snd_soc_component *component,
}
size = params_buffer_bytes(params);
- status = snd_pcm_lib_malloc_pages(substream, size);
- if (status < 0)
- return status;
-
- memset(substream->runtime->dma_area, 0, params_buffer_bytes(params));
- if (substream->dma_buffer.area) {
- acp_set_sram_bank_state(rtd->acp_mmio, 0, true);
- /* Save for runtime private data */
- rtd->dma_addr = substream->dma_buffer.addr;
- rtd->order = get_order(size);
+ acp_set_sram_bank_state(rtd->acp_mmio, 0, true);
+ /* Save for runtime private data */
+ rtd->dma_addr = substream->dma_buffer.addr;
+ rtd->order = get_order(size);
- /* Fill the page table entries in ACP SRAM */
- rtd->size = size;
- rtd->num_of_pages = PAGE_ALIGN(size) >> PAGE_SHIFT;
- rtd->direction = substream->stream;
+ /* Fill the page table entries in ACP SRAM */
+ rtd->size = size;
+ rtd->num_of_pages = PAGE_ALIGN(size) >> PAGE_SHIFT;
+ rtd->direction = substream->stream;
- config_acp_dma(rtd->acp_mmio, rtd, adata->asic_type);
- status = 0;
- } else {
- status = -ENOMEM;
- }
- return status;
-}
-
-static int acp_dma_hw_free(struct snd_soc_component *component,
- struct snd_pcm_substream *substream)
-{
- return snd_pcm_lib_free_pages(substream);
+ config_acp_dma(rtd->acp_mmio, rtd, adata->asic_type);
+ return 0;
}
static u64 acp_get_byte_count(struct audio_substream_data *rtd)
@@ -1142,18 +1125,18 @@ static int acp_dma_new(struct snd_soc_component *component,
switch (adata->asic_type) {
case CHIP_STONEY:
- snd_pcm_lib_preallocate_pages_for_all(rtd->pcm,
- SNDRV_DMA_TYPE_DEV,
- parent,
- ST_MIN_BUFFER,
- ST_MAX_BUFFER);
+ snd_pcm_set_managed_buffer_all(rtd->pcm,
+ SNDRV_DMA_TYPE_DEV,
+ parent,
+ ST_MIN_BUFFER,
+ ST_MAX_BUFFER);
break;
default:
- snd_pcm_lib_preallocate_pages_for_all(rtd->pcm,
- SNDRV_DMA_TYPE_DEV,
- parent,
- MIN_BUFFER,
- MAX_BUFFER);
+ snd_pcm_set_managed_buffer_all(rtd->pcm,
+ SNDRV_DMA_TYPE_DEV,
+ parent,
+ MIN_BUFFER,
+ MAX_BUFFER);
break;
}
return 0;
@@ -1221,7 +1204,6 @@ static const struct snd_soc_component_driver acp_asoc_platform = {
.close = acp_dma_close,
.ioctl = snd_soc_pcm_lib_ioctl,
.hw_params = acp_dma_hw_params,
- .hw_free = acp_dma_hw_free,
.trigger = acp_dma_trigger,
.pointer = acp_dma_pointer,
.mmap = acp_dma_mmap,
@@ -334,7 +334,6 @@ static int acp3x_dma_hw_params(struct snd_soc_component *component,
struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
- int status;
u64 size;
struct snd_pcm_runtime *runtime = substream->runtime;
struct i2s_stream_instance *rtd = runtime->private_data;
@@ -343,20 +342,10 @@ static int acp3x_dma_hw_params(struct snd_soc_component *component,
return -EINVAL;
size = params_buffer_bytes(params);
- status = snd_pcm_lib_malloc_pages(substream, size);
- if (status < 0)
- return status;
-
- memset(substream->runtime->dma_area, 0, params_buffer_bytes(params));
- if (substream->dma_buffer.area) {
- rtd->dma_addr = substream->dma_buffer.addr;
- rtd->num_pages = (PAGE_ALIGN(size) >> PAGE_SHIFT);
- config_acp3x_dma(rtd, substream->stream);
- status = 0;
- } else {
- status = -ENOMEM;
- }
- return status;
+ rtd->dma_addr = substream->dma_buffer.addr;
+ rtd->num_pages = (PAGE_ALIGN(size) >> PAGE_SHIFT);
+ config_acp3x_dma(rtd, substream->stream);
+ return 0;
}
static snd_pcm_uframes_t acp3x_dma_pointer(struct snd_soc_component *component,
@@ -381,17 +370,11 @@ static int acp3x_dma_new(struct snd_soc_component *component,
struct snd_soc_pcm_runtime *rtd)
{
struct device *parent = component->dev->parent;
- snd_pcm_lib_preallocate_pages_for_all(rtd->pcm, SNDRV_DMA_TYPE_DEV,
- parent, MIN_BUFFER, MAX_BUFFER);
+ snd_pcm_set_managed_buffer_all(rtd->pcm, SNDRV_DMA_TYPE_DEV,
+ parent, MIN_BUFFER, MAX_BUFFER);
return 0;
}
-static int acp3x_dma_hw_free(struct snd_soc_component *component,
- struct snd_pcm_substream *substream)
-{
- return snd_pcm_lib_free_pages(substream);
-}
-
static int acp3x_dma_mmap(struct snd_soc_component *component,
struct snd_pcm_substream *substream,
struct vm_area_struct *vma)
@@ -601,7 +584,6 @@ static const struct snd_soc_component_driver acp3x_i2s_component = {
.close = acp3x_dma_close,
.ioctl = snd_soc_pcm_lib_ioctl,
.hw_params = acp3x_dma_hw_params,
- .hw_free = acp3x_dma_hw_free,
.pointer = acp3x_dma_pointer,
.mmap = acp3x_dma_mmap,
.pcm_construct = acp3x_dma_new,
Clean up the drivers with the new managed buffer allocation API. The superfluous snd_pcm_lib_malloc_pages() and snd_pcm_lib_free_pages() calls are dropped. Signed-off-by: Takashi Iwai <tiwai@suse.de> --- sound/soc/amd/acp-pcm-dma.c | 58 +++++++++++++------------------------ sound/soc/amd/raven/acp3x-pcm-dma.c | 30 ++++--------------- 2 files changed, 26 insertions(+), 62 deletions(-)