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authorMark Brown <broonie@kernel.org>2020-03-27 20:29:20 +0300
committerMark Brown <broonie@kernel.org>2020-03-27 20:29:20 +0300
commit1c521d7e62262793789845989edca57dea24eb7d (patch)
treedd891362188494b9d665229696ffb72187998a00 /sound/core
parent8e3bb8ec11ed60963dbb70e69cf1a6806489dce3 (diff)
parent3d2cdb854659851d991f5b8e97e847e3fd240625 (diff)
downloadlinux-1c521d7e62262793789845989edca57dea24eb7d.tar.xz
Merge branch 'asoc-5.7' into asoc-next
Diffstat (limited to 'sound/core')
-rw-r--r--sound/core/compress_offload.c42
-rw-r--r--sound/core/pcm_dmaengine.c6
-rw-r--r--sound/core/pcm_misc.c18
3 files changed, 56 insertions, 10 deletions
diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index 9de1c9a0173e..509290f2efa8 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -488,6 +488,48 @@ out:
}
#endif /* !COMPR_CODEC_CAPS_OVERFLOW */
+int snd_compr_malloc_pages(struct snd_compr_stream *stream, size_t size)
+{
+ struct snd_dma_buffer *dmab;
+ int ret;
+
+ if (snd_BUG_ON(!(stream) || !(stream)->runtime))
+ return -EINVAL;
+ dmab = kzalloc(sizeof(*dmab), GFP_KERNEL);
+ if (!dmab)
+ return -ENOMEM;
+ dmab->dev = stream->dma_buffer.dev;
+ ret = snd_dma_alloc_pages(dmab->dev.type, dmab->dev.dev, size, dmab);
+ if (ret < 0) {
+ kfree(dmab);
+ return ret;
+ }
+
+ snd_compr_set_runtime_buffer(stream, dmab);
+ stream->runtime->dma_bytes = size;
+ return 1;
+}
+EXPORT_SYMBOL(snd_compr_malloc_pages);
+
+int snd_compr_free_pages(struct snd_compr_stream *stream)
+{
+ struct snd_compr_runtime *runtime = stream->runtime;
+
+ if (snd_BUG_ON(!(stream) || !(stream)->runtime))
+ return -EINVAL;
+ if (runtime->dma_area == NULL)
+ return 0;
+ if (runtime->dma_buffer_p != &stream->dma_buffer) {
+ /* It's a newly allocated buffer. Release it now. */
+ snd_dma_free_pages(runtime->dma_buffer_p);
+ kfree(runtime->dma_buffer_p);
+ }
+
+ snd_compr_set_runtime_buffer(stream, NULL);
+ return 0;
+}
+EXPORT_SYMBOL(snd_compr_free_pages);
+
/* revisit this with snd_pcm_preallocate_xxx */
static int snd_compr_allocate_buffer(struct snd_compr_stream *stream,
struct snd_compr_params *params)
diff --git a/sound/core/pcm_dmaengine.c b/sound/core/pcm_dmaengine.c
index 5749a8a49784..9d4f48cfe47f 100644
--- a/sound/core/pcm_dmaengine.c
+++ b/sound/core/pcm_dmaengine.c
@@ -240,6 +240,7 @@ EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_pointer_no_residue);
snd_pcm_uframes_t snd_dmaengine_pcm_pointer(struct snd_pcm_substream *substream)
{
struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
struct dma_tx_state state;
enum dma_status status;
unsigned int buf_size;
@@ -250,9 +251,12 @@ snd_pcm_uframes_t snd_dmaengine_pcm_pointer(struct snd_pcm_substream *substream)
buf_size = snd_pcm_lib_buffer_bytes(substream);
if (state.residue > 0 && state.residue <= buf_size)
pos = buf_size - state.residue;
+
+ runtime->delay = bytes_to_frames(runtime,
+ state.in_flight_bytes);
}
- return bytes_to_frames(substream->runtime, pos);
+ return bytes_to_frames(runtime, pos);
}
EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_pointer);
diff --git a/sound/core/pcm_misc.c b/sound/core/pcm_misc.c
index a6a541511534..5dd2e5335900 100644
--- a/sound/core/pcm_misc.c
+++ b/sound/core/pcm_misc.c
@@ -474,32 +474,32 @@ int snd_pcm_format_set_silence(snd_pcm_format_t format, void *data, unsigned int
EXPORT_SYMBOL(snd_pcm_format_set_silence);
/**
- * snd_pcm_limit_hw_rates - determine rate_min/rate_max fields
- * @runtime: the runtime instance
+ * snd_pcm_hw_limit_rates - determine rate_min/rate_max fields
+ * @hw: the pcm hw instance
*
* Determines the rate_min and rate_max fields from the rates bits of
- * the given runtime->hw.
+ * the given hw.
*
* Return: Zero if successful.
*/
-int snd_pcm_limit_hw_rates(struct snd_pcm_runtime *runtime)
+int snd_pcm_hw_limit_rates(struct snd_pcm_hardware *hw)
{
int i;
for (i = 0; i < (int)snd_pcm_known_rates.count; i++) {
- if (runtime->hw.rates & (1 << i)) {
- runtime->hw.rate_min = snd_pcm_known_rates.list[i];
+ if (hw->rates & (1 << i)) {
+ hw->rate_min = snd_pcm_known_rates.list[i];
break;
}
}
for (i = (int)snd_pcm_known_rates.count - 1; i >= 0; i--) {
- if (runtime->hw.rates & (1 << i)) {
- runtime->hw.rate_max = snd_pcm_known_rates.list[i];
+ if (hw->rates & (1 << i)) {
+ hw->rate_max = snd_pcm_known_rates.list[i];
break;
}
}
return 0;
}
-EXPORT_SYMBOL(snd_pcm_limit_hw_rates);
+EXPORT_SYMBOL(snd_pcm_hw_limit_rates);
/**
* snd_pcm_rate_to_rate_bit - converts sample rate to SNDRV_PCM_RATE_xxx bit