Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6

[safe/jmp/linux-2.6] / sound / soc / omap / omap-pcm.c

diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c
index 1169d2e..1e52190 100644 (file)
--- a/sound/soc/omap/omap-pcm.c
+++ b/sound/soc/omap/omap-pcm.c
@@ -23,6 +23,7 @@
  */
 
 #include <linux/dma-mapping.h>
+#include <linux/slab.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
@@ -37,7 +38,8 @@ static const struct snd_pcm_hardware omap_pcm_hardware = {
                                  SNDRV_PCM_INFO_INTERLEAVED |
                                  SNDRV_PCM_INFO_PAUSE |
                                  SNDRV_PCM_INFO_RESUME,
-       .formats                = SNDRV_PCM_FMTBIT_S16_LE,
+       .formats                = SNDRV_PCM_FMTBIT_S16_LE |
+                                 SNDRV_PCM_FMTBIT_S32_LE,
        .period_bytes_min       = 32,
        .period_bytes_max       = 64 * 1024,
        .periods_min            = 2,
@@ -59,12 +61,11 @@ static void omap_pcm_dma_irq(int ch, u16 stat, void *data)
        struct omap_runtime_data *prtd = runtime->private_data;
        unsigned long flags;
 
-       if ((cpu_is_omap1510()) &&
-                       (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)) {
+       if ((cpu_is_omap1510())) {
                /*
                 * OMAP1510 doesn't fully support DMA progress counter
                 * and there is no software emulation implemented yet,
-                * so have to maintain our own playback progress counter
+                * so have to maintain our own progress counters
                 * that can be used by omap_pcm_pointer() instead.
                 */
                spin_lock_irqsave(&prtd->lock, flags);
@@ -99,9 +100,11 @@ static int omap_pcm_hw_params(struct snd_pcm_substream *substream,
        struct snd_pcm_runtime *runtime = substream->runtime;
        struct snd_soc_pcm_runtime *rtd = substream->private_data;
        struct omap_runtime_data *prtd = runtime->private_data;
-       struct omap_pcm_dma_data *dma_data = rtd->dai->cpu_dai->dma_data;
+       struct omap_pcm_dma_data *dma_data;
        int err = 0;
 
+       dma_data = snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream);
+
        /* return if this is a bufferless transfer e.g.
         * codec <--> BT codec or GSM modem -- lg FIXME */
        if (!dma_data)
@@ -149,6 +152,7 @@ static int omap_pcm_prepare(struct snd_pcm_substream *substream)
        struct omap_runtime_data *prtd = runtime->private_data;
        struct omap_pcm_dma_data *dma_data = prtd->dma_data;
        struct omap_dma_channel_params dma_params;
+       int bytes;
 
        /* return if this is a bufferless transfer e.g.
         * codec <--> BT codec or GSM modem -- lg FIXME */
@@ -156,11 +160,7 @@ static int omap_pcm_prepare(struct snd_pcm_substream *substream)
                return 0;
 
        memset(&dma_params, 0, sizeof(dma_params));
-       /*
-        * Note: Regardless of interface data formats supported by OMAP McBSP
-        * or EAC blocks, internal representation is always fixed 16-bit/sample
-        */
-       dma_params.data_type                    = OMAP_DMA_DATA_TYPE_S16;
+       dma_params.data_type                    = dma_data->data_type;
        dma_params.trigger                      = dma_data->dma_req;
        dma_params.sync_mode                    = dma_data->sync_mode;
        if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
@@ -170,6 +170,7 @@ static int omap_pcm_prepare(struct snd_pcm_substream *substream)
                dma_params.src_start            = runtime->dma_addr;
                dma_params.dst_start            = dma_data->port_addr;
                dma_params.dst_port             = OMAP_DMA_PORT_MPUI;
+               dma_params.dst_fi               = dma_data->packet_size;
        } else {
                dma_params.src_amode            = OMAP_DMA_AMODE_CONSTANT;
                dma_params.dst_amode            = OMAP_DMA_AMODE_POST_INC;
@@ -177,6 +178,7 @@ static int omap_pcm_prepare(struct snd_pcm_substream *substream)
                dma_params.src_start            = dma_data->port_addr;
                dma_params.dst_start            = runtime->dma_addr;
                dma_params.src_port             = OMAP_DMA_PORT_MPUI;
+               dma_params.src_fi               = dma_data->packet_size;
        }
        /*
         * Set DMA transfer frame size equal to ALSA period size and frame
@@ -184,19 +186,23 @@ static int omap_pcm_prepare(struct snd_pcm_substream *substream)
         * we can transfer the whole ALSA buffer with single DMA transfer but
         * still can get an interrupt at each period bounary
         */
-       dma_params.elem_count   = snd_pcm_lib_period_bytes(substream) / 2;
+       bytes = snd_pcm_lib_period_bytes(substream);
+       dma_params.elem_count   = bytes >> dma_data->data_type;
        dma_params.frame_count  = runtime->periods;
        omap_set_dma_params(prtd->dma_ch, &dma_params);
 
-       if ((cpu_is_omap1510()) &&
-                       (substream->stream == SNDRV_PCM_STREAM_PLAYBACK))
+       if ((cpu_is_omap1510()))
                omap_enable_dma_irq(prtd->dma_ch, OMAP_DMA_FRAME_IRQ |
                              OMAP_DMA_LAST_IRQ | OMAP_DMA_BLOCK_IRQ);
        else
                omap_enable_dma_irq(prtd->dma_ch, OMAP_DMA_FRAME_IRQ);
 
-       omap_set_dma_src_burst_mode(prtd->dma_ch, OMAP_DMA_DATA_BURST_16);
-       omap_set_dma_dest_burst_mode(prtd->dma_ch, OMAP_DMA_DATA_BURST_16);
+       if (!(cpu_class_is_omap1())) {
+               omap_set_dma_src_burst_mode(prtd->dma_ch,
+                                               OMAP_DMA_DATA_BURST_16);
+               omap_set_dma_dest_burst_mode(prtd->dma_ch,
+                                               OMAP_DMA_DATA_BURST_16);
+       }
 
        return 0;
 }
@@ -243,14 +249,15 @@ static snd_pcm_uframes_t omap_pcm_pointer(struct snd_pcm_substream *substream)
        dma_addr_t ptr;
        snd_pcm_uframes_t offset;
 
-       if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
+       if (cpu_is_omap1510()) {
+               offset = prtd->period_index * runtime->period_size;
+       } else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
                ptr = omap_get_dma_dst_pos(prtd->dma_ch);
                offset = bytes_to_frames(runtime, ptr - runtime->dma_addr);
-       } else if (!(cpu_is_omap1510())) {
+       } else {
                ptr = omap_get_dma_src_pos(prtd->dma_ch);
                offset = bytes_to_frames(runtime, ptr - runtime->dma_addr);
-       } else
-               offset = prtd->period_index * runtime->period_size;
+       }
 
        if (offset >= runtime->buffer_size)
                offset = 0;