diff options
Diffstat (limited to 'sound/soc/s3c24xx')
-rw-r--r-- | sound/soc/s3c24xx/s3c24xx-pcm.c | 48 |
1 files changed, 25 insertions, 23 deletions
diff --git a/sound/soc/s3c24xx/s3c24xx-pcm.c b/sound/soc/s3c24xx/s3c24xx-pcm.c index 290dcf12b5ae..29a6c82f873a 100644 --- a/sound/soc/s3c24xx/s3c24xx-pcm.c +++ b/sound/soc/s3c24xx/s3c24xx-pcm.c | |||
@@ -48,7 +48,9 @@ static const struct snd_pcm_hardware s3c24xx_pcm_hardware = { | |||
48 | .info = SNDRV_PCM_INFO_INTERLEAVED | | 48 | .info = SNDRV_PCM_INFO_INTERLEAVED | |
49 | SNDRV_PCM_INFO_BLOCK_TRANSFER | | 49 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
50 | SNDRV_PCM_INFO_MMAP | | 50 | SNDRV_PCM_INFO_MMAP | |
51 | SNDRV_PCM_INFO_MMAP_VALID, | 51 | SNDRV_PCM_INFO_MMAP_VALID | |
52 | SNDRV_PCM_INFO_PAUSE | | ||
53 | SNDRV_PCM_INFO_RESUME, | ||
52 | .formats = SNDRV_PCM_FMTBIT_S16_LE | | 54 | .formats = SNDRV_PCM_FMTBIT_S16_LE | |
53 | SNDRV_PCM_FMTBIT_U16_LE | | 55 | SNDRV_PCM_FMTBIT_U16_LE | |
54 | SNDRV_PCM_FMTBIT_U8 | | 56 | SNDRV_PCM_FMTBIT_U8 | |
@@ -175,28 +177,6 @@ static int s3c24xx_pcm_hw_params(struct snd_pcm_substream *substream, | |||
175 | } | 177 | } |
176 | } | 178 | } |
177 | 179 | ||
178 | /* channel needs configuring for mem=>device, increment memory addr, | ||
179 | * sync to pclk, half-word transfers to the IIS-FIFO. */ | ||
180 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { | ||
181 | s3c2410_dma_devconfig(prtd->params->channel, | ||
182 | S3C2410_DMASRC_MEM, S3C2410_DISRCC_INC | | ||
183 | S3C2410_DISRCC_APB, prtd->params->dma_addr); | ||
184 | |||
185 | s3c2410_dma_config(prtd->params->channel, | ||
186 | prtd->params->dma_size, | ||
187 | S3C2410_DCON_SYNC_PCLK | | ||
188 | S3C2410_DCON_HANDSHAKE); | ||
189 | } else { | ||
190 | s3c2410_dma_config(prtd->params->channel, | ||
191 | prtd->params->dma_size, | ||
192 | S3C2410_DCON_HANDSHAKE | | ||
193 | S3C2410_DCON_SYNC_PCLK); | ||
194 | |||
195 | s3c2410_dma_devconfig(prtd->params->channel, | ||
196 | S3C2410_DMASRC_HW, 0x3, | ||
197 | prtd->params->dma_addr); | ||
198 | } | ||
199 | |||
200 | s3c2410_dma_set_buffdone_fn(prtd->params->channel, | 180 | s3c2410_dma_set_buffdone_fn(prtd->params->channel, |
201 | s3c24xx_audio_buffdone); | 181 | s3c24xx_audio_buffdone); |
202 | 182 | ||
@@ -245,6 +225,28 @@ static int s3c24xx_pcm_prepare(struct snd_pcm_substream *substream) | |||
245 | if (!prtd->params) | 225 | if (!prtd->params) |
246 | return 0; | 226 | return 0; |
247 | 227 | ||
228 | /* channel needs configuring for mem=>device, increment memory addr, | ||
229 | * sync to pclk, half-word transfers to the IIS-FIFO. */ | ||
230 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { | ||
231 | s3c2410_dma_devconfig(prtd->params->channel, | ||
232 | S3C2410_DMASRC_MEM, S3C2410_DISRCC_INC | | ||
233 | S3C2410_DISRCC_APB, prtd->params->dma_addr); | ||
234 | |||
235 | s3c2410_dma_config(prtd->params->channel, | ||
236 | prtd->params->dma_size, | ||
237 | S3C2410_DCON_SYNC_PCLK | | ||
238 | S3C2410_DCON_HANDSHAKE); | ||
239 | } else { | ||
240 | s3c2410_dma_config(prtd->params->channel, | ||
241 | prtd->params->dma_size, | ||
242 | S3C2410_DCON_HANDSHAKE | | ||
243 | S3C2410_DCON_SYNC_PCLK); | ||
244 | |||
245 | s3c2410_dma_devconfig(prtd->params->channel, | ||
246 | S3C2410_DMASRC_HW, 0x3, | ||
247 | prtd->params->dma_addr); | ||
248 | } | ||
249 | |||
248 | /* flush the DMA channel */ | 250 | /* flush the DMA channel */ |
249 | s3c2410_dma_ctrl(prtd->params->channel, S3C2410_DMAOP_FLUSH); | 251 | s3c2410_dma_ctrl(prtd->params->channel, S3C2410_DMAOP_FLUSH); |
250 | prtd->dma_loaded = 0; | 252 | prtd->dma_loaded = 0; |