1 files changed, 16 insertions, 8 deletions

diff --git a/sound/soc/fsl/mpc5200_dma.h b/sound/soc/fsl/mpc5200_dma.h
index 8d396bb9d9fe..22208b373fb9 100644
--- a/sound/soc/fsl/mpc5200_dma.h
+++ b/sound/soc/fsl/mpc5200_dma.h
@@ -13,26 +13,25 @@
  * @psc_dma:            pointer back to parent psc_dma data structure
  * @bcom_task:          bestcomm task structure
  * @irq:                irq number for bestcomm task
- * @period_start:       physical address of start of DMA region
  * @period_end:         physical address of end of DMA region
  * @period_next_pt:     physical address of next DMA buffer to enqueue
  * @period_bytes:       size of DMA period in bytes
+ * @ac97_slot_bits:     Enable bits for turning on the correct AC97 slot
  */
 struct psc_dma_stream {
         struct snd_pcm_runtime *runtime;
-        snd_pcm_uframes_t appl_ptr;
-
         int active;
         struct psc_dma *psc_dma;
         struct bcom_task *bcom_task;
         int irq;
         struct snd_pcm_substream *stream;
-        dma_addr_t period_start;
-        dma_addr_t period_end;
-        dma_addr_t period_next_pt;
-        dma_addr_t period_current_pt;
+        int period_next;
+        int period_current;
         int period_bytes;
-        int period_size;
+        int period_count;
+
+        /* AC97 state */
+        u32 ac97_slot_bits;
 };
 
 /**
@@ -73,6 +72,15 @@ struct psc_dma {
         } stats;
 };
 
+/* Utility for retrieving psc_dma_stream structure from a substream */
+inline struct psc_dma_stream *
+to_psc_dma_stream(struct snd_pcm_substream *substream, struct psc_dma *psc_dma)
+{
+        if (substream->pstr->stream == SNDRV_PCM_STREAM_CAPTURE)
+                return &psc_dma->capture;
+        return &psc_dma->playback;
+}
+
 int mpc5200_audio_dma_create(struct of_device *op);
 int mpc5200_audio_dma_destroy(struct of_device *op);