X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=include%2Fsound%2Fpcm.h;h=51d58ccda2d82d7158cbca22fb338bafa393c0e0;hb=d389c7d8988aecfdc06d9e9f9769af09e6592082;hp=deff5a92efa6886ecd1d227b534e53fe98c04095;hpb=d9bc125caf592b7d081021f32ce5b717efdf70c8;p=linux-2.6-omap-h63xx.git diff --git a/include/sound/pcm.h b/include/sound/pcm.h index deff5a92efa..51d58ccda2d 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -3,7 +3,7 @@ /* * Digital Audio (PCM) abstract layer - * Copyright (c) by Jaroslav Kysela + * Copyright (c) by Jaroslav Kysela * Abramo Bagnara * * @@ -274,7 +274,6 @@ struct snd_pcm_runtime { 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; @@ -286,8 +285,6 @@ struct snd_pcm_runtime { /* -- 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 @@ -301,12 +298,11 @@ struct snd_pcm_runtime { union snd_pcm_sync_id sync; /* hardware synchronization ID */ /* -- mmap -- */ - volatile struct snd_pcm_mmap_status *status; - volatile struct snd_pcm_mmap_control *control; + struct snd_pcm_mmap_status *status; + struct snd_pcm_mmap_control *control; /* -- locking / scheduling -- */ wait_queue_head_t sleep; - struct timer_list tick_timer; struct fasync_struct *fasync; /* -- private section -- */ @@ -323,6 +319,7 @@ struct snd_pcm_runtime { /* -- timer -- */ unsigned int timer_resolution; /* timer resolution */ + int tstamp_type; /* timestamp type */ /* -- DMA -- */ unsigned char *dma_area; /* DMA area */ @@ -603,11 +600,8 @@ do { \ read_unlock_irqrestore(&snd_pcm_link_rwlock, (flags)); \ } while (0) -#define snd_pcm_group_for_each(pos, substream) \ - list_for_each(pos, &substream->group->substreams) - -#define snd_pcm_group_substream_entry(pos) \ - list_entry(pos, struct snd_pcm_substream, link_list) +#define snd_pcm_group_for_each_entry(s, substream) \ + list_for_each_entry(s, &substream->group->substreams, link_list) static inline int snd_pcm_running(struct snd_pcm_substream *substream) { @@ -794,13 +788,13 @@ static inline struct snd_interval *hw_param_interval(struct snd_pcm_hw_params *p static inline const struct snd_mask *hw_param_mask_c(const struct snd_pcm_hw_params *params, snd_pcm_hw_param_t var) { - return (const struct snd_mask *)hw_param_mask((struct snd_pcm_hw_params*) params, var); + return ¶ms->masks[var - SNDRV_PCM_HW_PARAM_FIRST_MASK]; } static inline const struct snd_interval *hw_param_interval_c(const struct snd_pcm_hw_params *params, snd_pcm_hw_param_t var) { - return (const struct snd_interval *)hw_param_interval((struct snd_pcm_hw_params*) params, var); + return ¶ms->intervals[var - SNDRV_PCM_HW_PARAM_FIRST_INTERVAL]; } #define params_access(p) snd_mask_min(hw_param_mask((p), SNDRV_PCM_HW_PARAM_ACCESS)) @@ -813,7 +807,6 @@ static inline const struct snd_interval *hw_param_interval_c(const struct snd_pc #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); @@ -911,9 +904,6 @@ int snd_pcm_capture_xrun_check(struct snd_pcm_substream *substream); 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, @@ -925,7 +915,10 @@ snd_pcm_sframes_t snd_pcm_lib_writev(struct snd_pcm_substream *substream, snd_pcm_sframes_t snd_pcm_lib_readv(struct snd_pcm_substream *substream, void __user **bufs, snd_pcm_uframes_t frames); +extern const struct snd_pcm_hw_constraint_list snd_pcm_known_rates; + int snd_pcm_limit_hw_rates(struct snd_pcm_runtime *runtime); +unsigned int snd_pcm_rate_to_rate_bit(unsigned int rate); static inline void snd_pcm_set_runtime_buffer(struct snd_pcm_substream *substream, struct snd_dma_buffer *bufp) @@ -952,6 +945,15 @@ void snd_pcm_timer_resolution_change(struct snd_pcm_substream *substream); 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 */