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yaml
---
r: 81615
b: refs/heads/master
c: 96d90e1
h: refs/heads/master
i:
  81613: 7edb2c2
  81611: f75f45a
  81607: 69acc66
  81599: ac1f82a
v: v3
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Graeme Gregory authored and Jaroslav Kysela committed Jan 31, 2008
1 parent 7ab4753 commit f51840e
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Showing 2 changed files with 26 additions and 24 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 2d6a4ac9eeb8e8eb0343a2c761b2c132957d2b71
refs/heads/master: 96d90e19307ce590097295026a2e1b36618ddd01
48 changes: 25 additions & 23 deletions trunk/sound/soc/s3c24xx/s3c24xx-pcm.c
Original file line number Diff line number Diff line change
Expand Up @@ -48,7 +48,9 @@ static const struct snd_pcm_hardware s3c24xx_pcm_hardware = {
.info = SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID,
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_PAUSE |
SNDRV_PCM_INFO_RESUME,
.formats = SNDRV_PCM_FMTBIT_S16_LE |
SNDRV_PCM_FMTBIT_U16_LE |
SNDRV_PCM_FMTBIT_U8 |
Expand Down Expand Up @@ -175,28 +177,6 @@ static int s3c24xx_pcm_hw_params(struct snd_pcm_substream *substream,
}
}

/* channel needs configuring for mem=>device, increment memory addr,
* sync to pclk, half-word transfers to the IIS-FIFO. */
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
s3c2410_dma_devconfig(prtd->params->channel,
S3C2410_DMASRC_MEM, S3C2410_DISRCC_INC |
S3C2410_DISRCC_APB, prtd->params->dma_addr);

s3c2410_dma_config(prtd->params->channel,
prtd->params->dma_size,
S3C2410_DCON_SYNC_PCLK |
S3C2410_DCON_HANDSHAKE);
} else {
s3c2410_dma_config(prtd->params->channel,
prtd->params->dma_size,
S3C2410_DCON_HANDSHAKE |
S3C2410_DCON_SYNC_PCLK);

s3c2410_dma_devconfig(prtd->params->channel,
S3C2410_DMASRC_HW, 0x3,
prtd->params->dma_addr);
}

s3c2410_dma_set_buffdone_fn(prtd->params->channel,
s3c24xx_audio_buffdone);

Expand Down Expand Up @@ -245,6 +225,28 @@ static int s3c24xx_pcm_prepare(struct snd_pcm_substream *substream)
if (!prtd->params)
return 0;

/* channel needs configuring for mem=>device, increment memory addr,
* sync to pclk, half-word transfers to the IIS-FIFO. */
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
s3c2410_dma_devconfig(prtd->params->channel,
S3C2410_DMASRC_MEM, S3C2410_DISRCC_INC |
S3C2410_DISRCC_APB, prtd->params->dma_addr);

s3c2410_dma_config(prtd->params->channel,
prtd->params->dma_size,
S3C2410_DCON_SYNC_PCLK |
S3C2410_DCON_HANDSHAKE);
} else {
s3c2410_dma_config(prtd->params->channel,
prtd->params->dma_size,
S3C2410_DCON_HANDSHAKE |
S3C2410_DCON_SYNC_PCLK);

s3c2410_dma_devconfig(prtd->params->channel,
S3C2410_DMASRC_HW, 0x3,
prtd->params->dma_addr);
}

/* flush the DMA channel */
s3c2410_dma_ctrl(prtd->params->channel, S3C2410_DMAOP_FLUSH);
prtd->dma_loaded = 0;
Expand Down

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