fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / sound / pci / cs5535audio / cs5535audio_pcm.c

diff --git a/sound/pci/cs5535audio/cs5535audio_pcm.c b/sound/pci/cs5535audio/cs5535audio_pcm.c
index 60bb82b..5450a9e 100644 (file)
--- a/sound/pci/cs5535audio/cs5535audio_pcm.c
+++ b/sound/pci/cs5535audio/cs5535audio_pcm.c
@@ -43,7 +43,8 @@ static struct snd_pcm_hardware snd_cs5535audio_playback =
                                SNDRV_PCM_INFO_BLOCK_TRANSFER |
                                SNDRV_PCM_INFO_MMAP_VALID |
                                SNDRV_PCM_INFO_PAUSE |
-                               SNDRV_PCM_INFO_SYNC_START
+                               SNDRV_PCM_INFO_SYNC_START |
+                               SNDRV_PCM_INFO_RESUME
                                ),
        .formats =              (
                                SNDRV_PCM_FMTBIT_S16_LE
@@ -142,7 +143,7 @@ static int cs5535audio_build_dma_packets(struct cs5535audio *cs5535au,
        if (dma->periods == periods && dma->period_bytes == period_bytes)
                return 0;
 
-       /* the u32 cast is okay because in snd*create we succesfully told
+       /* the u32 cast is okay because in snd*create we successfully told
           pci alloc that we're only 32 bit capable so the uppper will be 0 */
        addr = (u32) substream->runtime->dma_addr;
        desc_addr = (u32) dma->desc_buf.addr;
@@ -193,6 +194,11 @@ static void cs5535audio_playback_setup_prd(struct cs5535audio *cs5535au,
        cs_writel(cs5535au, ACC_BM0_PRD, prd_addr);
 }
 
+static u32 cs5535audio_playback_read_prd(struct cs5535audio *cs5535au)
+{
+       return cs_readl(cs5535au, ACC_BM0_PRD);
+}
+
 static u32 cs5535audio_playback_read_dma_pntr(struct cs5535audio *cs5535au)
 {
        return cs_readl(cs5535au, ACC_BM0_PNTR);
@@ -219,6 +225,11 @@ static void cs5535audio_capture_setup_prd(struct cs5535audio *cs5535au,
        cs_writel(cs5535au, ACC_BM1_PRD, prd_addr);
 }
 
+static u32 cs5535audio_capture_read_prd(struct cs5535audio *cs5535au)
+{
+       return cs_readl(cs5535au, ACC_BM1_PRD);
+}
+
 static u32 cs5535audio_capture_read_dma_pntr(struct cs5535audio *cs5535au)
 {
        return cs_readl(cs5535au, ACC_BM1_PNTR);
@@ -285,9 +296,17 @@ static int snd_cs5535audio_trigger(struct snd_pcm_substream *substream, int cmd)
        case SNDRV_PCM_TRIGGER_START:
                dma->ops->enable_dma(cs5535au);
                break;
+       case SNDRV_PCM_TRIGGER_RESUME:
+               dma->ops->enable_dma(cs5535au);
+               dma->suspended = 0;
+               break;
        case SNDRV_PCM_TRIGGER_STOP:
                dma->ops->disable_dma(cs5535au);
                break;
+       case SNDRV_PCM_TRIGGER_SUSPEND:
+               dma->ops->disable_dma(cs5535au);
+               dma->suspended = 1;
+               break;
        default:
                snd_printk(KERN_ERR "unhandled trigger\n");
                err = -EINVAL;
@@ -375,6 +394,7 @@ static struct cs5535audio_dma_ops snd_cs5535audio_playback_dma_ops = {
         .enable_dma = cs5535audio_playback_enable_dma,
         .disable_dma = cs5535audio_playback_disable_dma,
         .setup_prd = cs5535audio_playback_setup_prd,
+        .read_prd = cs5535audio_playback_read_prd,
         .pause_dma = cs5535audio_playback_pause_dma,
         .read_dma_pntr = cs5535audio_playback_read_dma_pntr,
 };
@@ -384,6 +404,7 @@ static struct cs5535audio_dma_ops snd_cs5535audio_capture_dma_ops = {
         .enable_dma = cs5535audio_capture_enable_dma,
         .disable_dma = cs5535audio_capture_disable_dma,
         .setup_prd = cs5535audio_capture_setup_prd,
+        .read_prd = cs5535audio_capture_read_prd,
         .pause_dma = cs5535audio_capture_pause_dma,
         .read_dma_pntr = cs5535audio_capture_read_dma_pntr,
 };
@@ -413,6 +434,7 @@ int __devinit snd_cs5535audio_pcm(struct cs5535audio *cs5535au)
        snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
                                        snd_dma_pci_data(cs5535au->pci),
                                        64*1024, 128*1024);
+       cs5535au->pcm = pcm;
 
        return 0;
 }