diff options
Diffstat (limited to 'sound/soc/omap/omap-pcm.c')
-rw-r--r-- | sound/soc/omap/omap-pcm.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c index 825db385f01f..1e521904ea64 100644 --- a/sound/soc/omap/omap-pcm.c +++ b/sound/soc/omap/omap-pcm.c | |||
@@ -23,6 +23,7 @@ | |||
23 | */ | 23 | */ |
24 | 24 | ||
25 | #include <linux/dma-mapping.h> | 25 | #include <linux/dma-mapping.h> |
26 | #include <linux/slab.h> | ||
26 | #include <sound/core.h> | 27 | #include <sound/core.h> |
27 | #include <sound/pcm.h> | 28 | #include <sound/pcm.h> |
28 | #include <sound/pcm_params.h> | 29 | #include <sound/pcm_params.h> |
@@ -60,12 +61,11 @@ static void omap_pcm_dma_irq(int ch, u16 stat, void *data) | |||
60 | struct omap_runtime_data *prtd = runtime->private_data; | 61 | struct omap_runtime_data *prtd = runtime->private_data; |
61 | unsigned long flags; | 62 | unsigned long flags; |
62 | 63 | ||
63 | if ((cpu_is_omap1510()) && | 64 | if ((cpu_is_omap1510())) { |
64 | (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)) { | ||
65 | /* | 65 | /* |
66 | * OMAP1510 doesn't fully support DMA progress counter | 66 | * OMAP1510 doesn't fully support DMA progress counter |
67 | * and there is no software emulation implemented yet, | 67 | * and there is no software emulation implemented yet, |
68 | * so have to maintain our own playback progress counter | 68 | * so have to maintain our own progress counters |
69 | * that can be used by omap_pcm_pointer() instead. | 69 | * that can be used by omap_pcm_pointer() instead. |
70 | */ | 70 | */ |
71 | spin_lock_irqsave(&prtd->lock, flags); | 71 | spin_lock_irqsave(&prtd->lock, flags); |
@@ -100,9 +100,11 @@ static int omap_pcm_hw_params(struct snd_pcm_substream *substream, | |||
100 | struct snd_pcm_runtime *runtime = substream->runtime; | 100 | struct snd_pcm_runtime *runtime = substream->runtime; |
101 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | 101 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
102 | struct omap_runtime_data *prtd = runtime->private_data; | 102 | struct omap_runtime_data *prtd = runtime->private_data; |
103 | struct omap_pcm_dma_data *dma_data = rtd->dai->cpu_dai->dma_data; | 103 | struct omap_pcm_dma_data *dma_data; |
104 | int err = 0; | 104 | int err = 0; |
105 | 105 | ||
106 | dma_data = snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream); | ||
107 | |||
106 | /* return if this is a bufferless transfer e.g. | 108 | /* return if this is a bufferless transfer e.g. |
107 | * codec <--> BT codec or GSM modem -- lg FIXME */ | 109 | * codec <--> BT codec or GSM modem -- lg FIXME */ |
108 | if (!dma_data) | 110 | if (!dma_data) |
@@ -189,8 +191,7 @@ static int omap_pcm_prepare(struct snd_pcm_substream *substream) | |||
189 | dma_params.frame_count = runtime->periods; | 191 | dma_params.frame_count = runtime->periods; |
190 | omap_set_dma_params(prtd->dma_ch, &dma_params); | 192 | omap_set_dma_params(prtd->dma_ch, &dma_params); |
191 | 193 | ||
192 | if ((cpu_is_omap1510()) && | 194 | if ((cpu_is_omap1510())) |
193 | (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)) | ||
194 | omap_enable_dma_irq(prtd->dma_ch, OMAP_DMA_FRAME_IRQ | | 195 | omap_enable_dma_irq(prtd->dma_ch, OMAP_DMA_FRAME_IRQ | |
195 | OMAP_DMA_LAST_IRQ | OMAP_DMA_BLOCK_IRQ); | 196 | OMAP_DMA_LAST_IRQ | OMAP_DMA_BLOCK_IRQ); |
196 | else | 197 | else |
@@ -248,14 +249,15 @@ static snd_pcm_uframes_t omap_pcm_pointer(struct snd_pcm_substream *substream) | |||
248 | dma_addr_t ptr; | 249 | dma_addr_t ptr; |
249 | snd_pcm_uframes_t offset; | 250 | snd_pcm_uframes_t offset; |
250 | 251 | ||
251 | if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { | 252 | if (cpu_is_omap1510()) { |
253 | offset = prtd->period_index * runtime->period_size; | ||
254 | } else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { | ||
252 | ptr = omap_get_dma_dst_pos(prtd->dma_ch); | 255 | ptr = omap_get_dma_dst_pos(prtd->dma_ch); |
253 | offset = bytes_to_frames(runtime, ptr - runtime->dma_addr); | 256 | offset = bytes_to_frames(runtime, ptr - runtime->dma_addr); |
254 | } else if (!(cpu_is_omap1510())) { | 257 | } else { |
255 | ptr = omap_get_dma_src_pos(prtd->dma_ch); | 258 | ptr = omap_get_dma_src_pos(prtd->dma_ch); |
256 | offset = bytes_to_frames(runtime, ptr - runtime->dma_addr); | 259 | offset = bytes_to_frames(runtime, ptr - runtime->dma_addr); |
257 | } else | 260 | } |
258 | offset = prtd->period_index * runtime->period_size; | ||
259 | 261 | ||
260 | if (offset >= runtime->buffer_size) | 262 | if (offset >= runtime->buffer_size) |
261 | offset = 0; | 263 | offset = 0; |