#include <sound/asound.h>
#include <sound/memalloc.h>
+#include <sound/minors.h>
#include <linux/poll.h>
#include <linux/mm.h>
#include <linux/bitops.h>
*
*/
-#define SNDRV_PCM_DEVICES 8
+#if defined(CONFIG_SND_DYNAMIC_MINORS)
+#define SNDRV_PCM_DEVICES (SNDRV_OS_MINORS-2)
+#else
+#define SNDRV_PCM_DEVICES 8
+#endif
#define SNDRV_PCM_IOCTL1_FALSE ((void *)0)
#define SNDRV_PCM_IOCTL1_TRUE ((void *)1)
snd_pcm_uframes_t period_size; /* period size */
unsigned int periods; /* periods */
snd_pcm_uframes_t buffer_size; /* buffer size */
- unsigned int tick_time; /* tick time */
snd_pcm_uframes_t min_align; /* Min alignment for the format */
size_t byte_align;
unsigned int frame_bits;
/* -- SW params -- */
int tstamp_mode; /* mmap timestamp is updated */
unsigned int period_step;
- unsigned int sleep_min; /* min ticks to sleep */
- snd_pcm_uframes_t xfer_align; /* xfer size need to be a multiple */
snd_pcm_uframes_t start_threshold;
snd_pcm_uframes_t stop_threshold;
snd_pcm_uframes_t silence_threshold; /* Silence filling happens when
/* -- locking / scheduling -- */
wait_queue_head_t sleep;
- struct timer_list tick_timer;
struct fasync_struct *fasync;
/* -- private section -- */
/* -- timer -- */
unsigned int timer_resolution; /* timer resolution */
+ int tstamp_type; /* timestamp type */
/* -- DMA -- */
unsigned char *dma_area; /* DMA area */
struct snd_pcm {
struct snd_card *card;
struct list_head list;
- unsigned int device; /* device number */
+ int device; /* device number */
unsigned int info_flags;
unsigned short dev_class;
unsigned short dev_subclass;
#define params_periods(p) hw_param_interval((p), SNDRV_PCM_HW_PARAM_PERIODS)->min
#define params_buffer_size(p) hw_param_interval((p), SNDRV_PCM_HW_PARAM_BUFFER_SIZE)->min
#define params_buffer_bytes(p) hw_param_interval((p), SNDRV_PCM_HW_PARAM_BUFFER_BYTES)->min
-#define params_tick_time(p) hw_param_interval((p), SNDRV_PCM_HW_PARAM_TICK_TIME)->min
int snd_interval_refine(struct snd_interval *i, const struct snd_interval *v);
int snd_pcm_playback_xrun_asap(struct snd_pcm_substream *substream);
int snd_pcm_capture_xrun_asap(struct snd_pcm_substream *substream);
void snd_pcm_playback_silence(struct snd_pcm_substream *substream, snd_pcm_uframes_t new_hw_ptr);
-void snd_pcm_tick_prepare(struct snd_pcm_substream *substream);
-void snd_pcm_tick_set(struct snd_pcm_substream *substream, unsigned long ticks);
-void snd_pcm_tick_elapsed(struct snd_pcm_substream *substream);
void snd_pcm_period_elapsed(struct snd_pcm_substream *substream);
snd_pcm_sframes_t snd_pcm_lib_write(struct snd_pcm_substream *substream,
const void __user *buf,
void snd_pcm_timer_init(struct snd_pcm_substream *substream);
void snd_pcm_timer_done(struct snd_pcm_substream *substream);
+static inline void snd_pcm_gettime(struct snd_pcm_runtime *runtime,
+ struct timespec *tv)
+{
+ if (runtime->tstamp_type == SNDRV_PCM_TSTAMP_TYPE_MONOTONIC)
+ do_posix_clock_monotonic_gettime(tv);
+ else
+ getnstimeofday(tv);
+}
+
/*
* Memory
*/
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);
-#define snd_pcm_substream_sgbuf(substream) ((substream)->runtime->dma_buffer_p->private_data)
-#define snd_pcm_sgbuf_pages(size) snd_sgbuf_aligned_pages(size)
-#define snd_pcm_sgbuf_get_addr(sgbuf,ofs) snd_sgbuf_get_addr(sgbuf,ofs)
-struct page *snd_pcm_sgbuf_ops_page(struct snd_pcm_substream *substream, unsigned long offset);
+/*
+ * SG-buffer handling
+ */
+#define snd_pcm_substream_sgbuf(substream) \
+ ((substream)->runtime->dma_buffer_p->private_data)
+
+static inline dma_addr_t
+snd_pcm_sgbuf_get_addr(struct snd_pcm_substream *substream, unsigned int ofs)
+{
+ struct snd_sg_buf *sg = snd_pcm_substream_sgbuf(substream);
+ return snd_sgbuf_get_addr(sg, ofs);
+}
+
+static inline void *
+snd_pcm_sgbuf_get_ptr(struct snd_pcm_substream *substream, unsigned int ofs)
+{
+ struct snd_sg_buf *sg = snd_pcm_substream_sgbuf(substream);
+ return snd_sgbuf_get_ptr(sg, ofs);
+}
+
+struct page *snd_pcm_sgbuf_ops_page(struct snd_pcm_substream *substream,
+ unsigned long offset);
+
/* handle mmap counter - PCM mmap callback should handle this counter properly */
static inline void snd_pcm_mmap_data_open(struct vm_area_struct *area)
(IEC958_AES1_CON_PCM_CODER<<8)|\
(IEC958_AES3_CON_FS_48000<<24))
+#define PCM_RUNTIME_CHECK(sub) snd_BUG_ON(!(sub) || !(sub)->runtime)
+
#endif /* __SOUND_PCM_H */