mfd: Initial support for twl5031

[safe/jmp/linux-2.6] / include / sound / pcm.h

diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 0caf71e..c83a4a7 100644 (file)
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -98,6 +98,7 @@ struct snd_pcm_ops {
 #define SNDRV_PCM_IOCTL1_INFO          1
 #define SNDRV_PCM_IOCTL1_CHANNEL_INFO  2
 #define SNDRV_PCM_IOCTL1_GSTATE                3
+#define SNDRV_PCM_IOCTL1_FIFO_SIZE     4
 
 #define SNDRV_PCM_TRIGGER_STOP         0
 #define SNDRV_PCM_TRIGGER_START                1
@@ -270,6 +271,7 @@ struct snd_pcm_runtime {
        snd_pcm_uframes_t hw_ptr_base;  /* Position at buffer restart */
        snd_pcm_uframes_t hw_ptr_interrupt; /* Position at interrupt time */
        unsigned long hw_ptr_jiffies;   /* Time when hw_ptr is updated */
+       snd_pcm_sframes_t delay;        /* extra delay; typically FIFO size */
 
        /* -- HW params -- */
        snd_pcm_access_t access;        /* access mode */
@@ -346,6 +348,8 @@ struct snd_pcm_group {              /* keep linked substreams */
        int count;
 };
 
+struct pid;
+
 struct snd_pcm_substream {
        struct snd_pcm *pcm;
        struct snd_pcm_str *pstr;
@@ -377,6 +381,7 @@ struct snd_pcm_substream {
        atomic_t mmap_count;
        unsigned int f_flags;
        void (*pcm_release)(struct snd_pcm_substream *);
+       struct pid *pid;
 #if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
        /* -- OSS things -- */
        struct snd_pcm_oss_substream oss;
@@ -900,6 +905,7 @@ int snd_pcm_lib_preallocate_pages_for_all(struct snd_pcm *pcm,
 int snd_pcm_lib_malloc_pages(struct snd_pcm_substream *substream, size_t size);
 int snd_pcm_lib_free_pages(struct snd_pcm_substream *substream);
 
+#ifdef CONFIG_SND_DMA_SGBUF
 /*
  * SG-buffer handling
  */
@@ -925,6 +931,28 @@ struct page *snd_pcm_sgbuf_ops_page(struct snd_pcm_substream *substream,
 unsigned int snd_pcm_sgbuf_get_chunk_size(struct snd_pcm_substream *substream,
                                          unsigned int ofs, unsigned int size);
 
+#else /* !SND_DMA_SGBUF */
+/*
+ * fake using a continuous buffer
+ */
+static inline dma_addr_t
+snd_pcm_sgbuf_get_addr(struct snd_pcm_substream *substream, unsigned int ofs)
+{
+       return substream->runtime->dma_addr + ofs;
+}
+
+static inline void *
+snd_pcm_sgbuf_get_ptr(struct snd_pcm_substream *substream, unsigned int ofs)
+{
+       return substream->runtime->dma_area + ofs;
+}
+
+#define snd_pcm_sgbuf_ops_page NULL
+
+#define snd_pcm_sgbuf_get_chunk_size(subs, ofs, size)  (size)
+
+#endif /* SND_DMA_SGBUF */
+
 /* handle mmap counter - PCM mmap callback should handle this counter properly */
 static inline void snd_pcm_mmap_data_open(struct vm_area_struct *area)
 {
@@ -963,4 +991,6 @@ static inline void snd_pcm_limit_isa_dma_size(int dma, size_t *max)
 
 #define PCM_RUNTIME_CHECK(sub) snd_BUG_ON(!(sub) || !(sub)->runtime)
 
+const char *snd_pcm_format_name(snd_pcm_format_t format);
+
 #endif /* __SOUND_PCM_H */