Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/perex/alsa
[sfrench/cifs-2.6.git] / sound / pci / cs5535audio / cs5535audio_pcm.c
index 60bb82b2ff473c0cedec1f00b67644a0c6aa8c83..cdcda87116c34bc895b49e8def2ffa28a4c22491 100644 (file)
@@ -25,7 +25,6 @@
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/pci.h>
-#include <sound/driver.h>
 #include <sound/core.h>
 #include <sound/control.h>
 #include <sound/initval.h>
@@ -43,7 +42,7 @@ 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_RESUME
                                ),
        .formats =              (
                                SNDRV_PCM_FMTBIT_S16_LE
@@ -70,8 +69,7 @@ static struct snd_pcm_hardware snd_cs5535audio_capture =
                                SNDRV_PCM_INFO_MMAP |
                                SNDRV_PCM_INFO_INTERLEAVED |
                                SNDRV_PCM_INFO_BLOCK_TRANSFER |
-                               SNDRV_PCM_INFO_MMAP_VALID |
-                               SNDRV_PCM_INFO_SYNC_START
+                               SNDRV_PCM_INFO_MMAP_VALID
                                ),
        .formats =              (
                                SNDRV_PCM_FMTBIT_S16_LE
@@ -99,9 +97,10 @@ static int snd_cs5535audio_playback_open(struct snd_pcm_substream *substream)
        struct snd_pcm_runtime *runtime = substream->runtime;
 
        runtime->hw = snd_cs5535audio_playback;
+       runtime->hw.rates = cs5535au->ac97->rates[AC97_RATES_FRONT_DAC];
+       snd_pcm_limit_hw_rates(runtime);
        cs5535au->playback_substream = substream;
        runtime->private_data = &(cs5535au->dmas[CS5535AUDIO_DMA_PLAYBACK]);
-       snd_pcm_set_sync(substream);
        if ((err = snd_pcm_hw_constraint_integer(runtime,
                                SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
                return err;
@@ -142,7 +141,7 @@ 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;
@@ -163,6 +162,7 @@ static int cs5535audio_build_dma_packets(struct cs5535audio *cs5535au,
        jmpprd_addr = cpu_to_le32(lastdesc->addr +
                                  (sizeof(struct cs5535audio_dma_desc)*periods));
 
+       dma->substream = substream;
        dma->period_bytes = period_bytes;
        dma->periods = periods;
        spin_lock_irq(&cs5535au->reg_lock);
@@ -193,6 +193,11 @@ 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 +224,11 @@ 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);
@@ -230,6 +240,7 @@ static void cs5535audio_clear_dma_packets(struct cs5535audio *cs5535au,
 {
        snd_dma_free_pages(&dma->desc_buf);
        dma->desc_buf.area = NULL;
+       dma->substream = NULL;
 }
 
 static int snd_cs5535audio_hw_params(struct snd_pcm_substream *substream,
@@ -285,9 +296,15 @@ 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);
+               break;
        case SNDRV_PCM_TRIGGER_STOP:
                dma->ops->disable_dma(cs5535au);
                break;
+       case SNDRV_PCM_TRIGGER_SUSPEND:
+               dma->ops->disable_dma(cs5535au);
+               break;
        default:
                snd_printk(KERN_ERR "unhandled trigger\n");
                err = -EINVAL;
@@ -327,9 +344,10 @@ static int snd_cs5535audio_capture_open(struct snd_pcm_substream *substream)
        struct snd_pcm_runtime *runtime = substream->runtime;
 
        runtime->hw = snd_cs5535audio_capture;
+       runtime->hw.rates = cs5535au->ac97->rates[AC97_RATES_ADC];
+       snd_pcm_limit_hw_rates(runtime);
        cs5535au->capture_substream = substream;
        runtime->private_data = &(cs5535au->dmas[CS5535AUDIO_DMA_CAPTURE]);
-       snd_pcm_set_sync(substream);
        if ((err = snd_pcm_hw_constraint_integer(runtime,
                                         SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
                return err;
@@ -375,6 +393,7 @@ 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 +403,7 @@ 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 +433,7 @@ 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;
 }