diff options
Diffstat (limited to 'sound/soc/au1x/dma.c')
| -rw-r--r-- | sound/soc/au1x/dma.c | 83 |
1 files changed, 38 insertions, 45 deletions
diff --git a/sound/soc/au1x/dma.c b/sound/soc/au1x/dma.c index 1e98cc4f9e27..c9a038a5e2d3 100644 --- a/sound/soc/au1x/dma.c +++ b/sound/soc/au1x/dma.c @@ -174,22 +174,23 @@ static const struct snd_pcm_hardware alchemy_pcm_hardware = { .fifo_size = 16, }; -static inline struct alchemy_pcm_ctx *ss_to_ctx(struct snd_pcm_substream *ss) +static inline struct alchemy_pcm_ctx *ss_to_ctx(struct snd_pcm_substream *ss, + struct snd_soc_component *component) { - struct snd_soc_pcm_runtime *rtd = ss->private_data; - struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME); return snd_soc_component_get_drvdata(component); } -static inline struct audio_stream *ss_to_as(struct snd_pcm_substream *ss) +static inline struct audio_stream *ss_to_as(struct snd_pcm_substream *ss, + struct snd_soc_component *component) { - struct alchemy_pcm_ctx *ctx = ss_to_ctx(ss); + struct alchemy_pcm_ctx *ctx = ss_to_ctx(ss, component); return &(ctx->stream[ss->stream]); } -static int alchemy_pcm_open(struct snd_pcm_substream *substream) +static int alchemy_pcm_open(struct snd_soc_component *component, + struct snd_pcm_substream *substream) { - struct alchemy_pcm_ctx *ctx = ss_to_ctx(substream); + struct alchemy_pcm_ctx *ctx = ss_to_ctx(substream, component); struct snd_soc_pcm_runtime *rtd = substream->private_data; int *dmaids, s = substream->stream; char *name; @@ -213,9 +214,10 @@ static int alchemy_pcm_open(struct snd_pcm_substream *substream) return 0; } -static int alchemy_pcm_close(struct snd_pcm_substream *substream) +static int alchemy_pcm_close(struct snd_soc_component *component, + struct snd_pcm_substream *substream) { - struct alchemy_pcm_ctx *ctx = ss_to_ctx(substream); + struct alchemy_pcm_ctx *ctx = ss_to_ctx(substream, component); int stype = substream->stream; ctx->stream[stype].substream = NULL; @@ -224,35 +226,29 @@ static int alchemy_pcm_close(struct snd_pcm_substream *substream) return 0; } -static int alchemy_pcm_hw_params(struct snd_pcm_substream *substream, +static int alchemy_pcm_hw_params(struct snd_soc_component *component, + struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { - struct audio_stream *stream = ss_to_as(substream); - int err; - - err = snd_pcm_lib_malloc_pages(substream, - params_buffer_bytes(hw_params)); - if (err < 0) - return err; - err = au1000_setup_dma_link(stream, - params_period_bytes(hw_params), - params_periods(hw_params)); - if (err) - snd_pcm_lib_free_pages(substream); + struct audio_stream *stream = ss_to_as(substream, component); - return err; + return au1000_setup_dma_link(stream, + params_period_bytes(hw_params), + params_periods(hw_params)); } -static int alchemy_pcm_hw_free(struct snd_pcm_substream *substream) +static int alchemy_pcm_hw_free(struct snd_soc_component *component, + struct snd_pcm_substream *substream) { - struct audio_stream *stream = ss_to_as(substream); + struct audio_stream *stream = ss_to_as(substream, component); au1000_release_dma_link(stream); - return snd_pcm_lib_free_pages(substream); + return 0; } -static int alchemy_pcm_trigger(struct snd_pcm_substream *substream, int cmd) +static int alchemy_pcm_trigger(struct snd_soc_component *component, + struct snd_pcm_substream *substream, int cmd) { - struct audio_stream *stream = ss_to_as(substream); + struct audio_stream *stream = ss_to_as(substream, component); int err = 0; switch (cmd) { @@ -269,9 +265,10 @@ static int alchemy_pcm_trigger(struct snd_pcm_substream *substream, int cmd) return err; } -static snd_pcm_uframes_t alchemy_pcm_pointer(struct snd_pcm_substream *ss) +static snd_pcm_uframes_t alchemy_pcm_pointer(struct snd_soc_component *component, + struct snd_pcm_substream *ss) { - struct audio_stream *stream = ss_to_as(ss); + struct audio_stream *stream = ss_to_as(ss, component); long location; location = get_dma_residue(stream->dma); @@ -281,30 +278,26 @@ static snd_pcm_uframes_t alchemy_pcm_pointer(struct snd_pcm_substream *ss) return bytes_to_frames(ss->runtime, location); } -static const struct snd_pcm_ops alchemy_pcm_ops = { - .open = alchemy_pcm_open, - .close = alchemy_pcm_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = alchemy_pcm_hw_params, - .hw_free = alchemy_pcm_hw_free, - .trigger = alchemy_pcm_trigger, - .pointer = alchemy_pcm_pointer, -}; - -static int alchemy_pcm_new(struct snd_soc_pcm_runtime *rtd) +static int alchemy_pcm_new(struct snd_soc_component *component, + struct snd_soc_pcm_runtime *rtd) { struct snd_pcm *pcm = rtd->pcm; - snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS, - snd_dma_continuous_data(GFP_KERNEL), 65536, (4096 * 1024) - 1); + snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS, + NULL, 65536, (4096 * 1024) - 1); return 0; } static struct snd_soc_component_driver alchemy_pcm_soc_component = { .name = DRV_NAME, - .ops = &alchemy_pcm_ops, - .pcm_new = alchemy_pcm_new, + .open = alchemy_pcm_open, + .close = alchemy_pcm_close, + .hw_params = alchemy_pcm_hw_params, + .hw_free = alchemy_pcm_hw_free, + .trigger = alchemy_pcm_trigger, + .pointer = alchemy_pcm_pointer, + .pcm_construct = alchemy_pcm_new, }; static int alchemy_pcm_drvprobe(struct platform_device *pdev) |
