unsigned int mask;
};
+struct snd_pcm_hwptr_log;
+
struct snd_pcm_runtime {
/* -- Status -- */
struct snd_pcm_substream *trigger_master;
struct snd_pcm_mmap_control *control;
/* -- locking / scheduling -- */
- wait_queue_head_t sleep;
+ unsigned int twake: 1; /* do transfer (!poll) wakeup */
+ wait_queue_head_t sleep; /* poll sleep */
+ wait_queue_head_t tsleep; /* transfer sleep */
struct fasync_struct *fasync;
/* -- private section -- */
/* -- OSS things -- */
struct snd_pcm_oss_runtime oss;
#endif
+
+#ifdef CONFIG_SND_PCM_XRUN_DEBUG
+ struct snd_pcm_hwptr_log *hwptr_log;
+#endif
};
struct snd_pcm_group { /* keep linked substreams */
int snd_pcm_lib_interleave_len(struct snd_pcm_substream *substream);
int snd_pcm_lib_ioctl(struct snd_pcm_substream *substream,
unsigned int cmd, void *arg);
+int snd_pcm_update_state(struct snd_pcm_substream *substream,
+ struct snd_pcm_runtime *runtime);
int snd_pcm_update_hw_ptr(struct snd_pcm_substream *substream);
int snd_pcm_playback_xrun_check(struct snd_pcm_substream *substream);
int snd_pcm_capture_xrun_check(struct snd_pcm_substream *substream);
#define snd_pcm_lib_mmap_iomem NULL
#endif
+int snd_pcm_lib_mmap_noncached(struct snd_pcm_substream *substream,
+ struct vm_area_struct *area);
+#define snd_pcm_lib_mmap_vmalloc snd_pcm_lib_mmap_noncached
+
static inline void snd_pcm_limit_isa_dma_size(int dma, size_t *max)
{
*max = dma < 4 ? 64 * 1024 : 128 * 1024;