diff options
Diffstat (limited to 'include/sound/pcm.h')
| -rw-r--r-- | include/sound/pcm.h | 476 |
1 files changed, 226 insertions, 250 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h index acc4fa9..314268a 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -28,36 +28,9 @@ #include <linux/poll.h> #include <linux/bitops.h> -typedef sndrv_pcm_uframes_t snd_pcm_uframes_t; -typedef sndrv_pcm_sframes_t snd_pcm_sframes_t; -typedef enum sndrv_pcm_class snd_pcm_class_t; -typedef enum sndrv_pcm_subclass snd_pcm_subclass_t; -typedef enum sndrv_pcm_stream snd_pcm_stream_t; -typedef enum sndrv_pcm_access snd_pcm_access_t; -typedef enum sndrv_pcm_format snd_pcm_format_t; -typedef enum sndrv_pcm_subformat snd_pcm_subformat_t; -typedef enum sndrv_pcm_state snd_pcm_state_t; -typedef union sndrv_pcm_sync_id snd_pcm_sync_id_t; -typedef struct sndrv_pcm_info snd_pcm_info_t; -typedef enum sndrv_pcm_hw_param snd_pcm_hw_param_t; -typedef struct sndrv_pcm_hw_params snd_pcm_hw_params_t; -typedef enum sndrv_pcm_start snd_pcm_start_t; -typedef enum sndrv_pcm_xrun snd_pcm_xrun_t; -typedef enum sndrv_pcm_tstamp snd_pcm_tstamp_t; -typedef struct sndrv_pcm_sw_params snd_pcm_sw_params_t; -typedef struct sndrv_pcm_channel_info snd_pcm_channel_info_t; -typedef struct sndrv_pcm_status snd_pcm_status_t; -typedef struct sndrv_pcm_mmap_status snd_pcm_mmap_status_t; -typedef struct sndrv_pcm_mmap_control snd_pcm_mmap_control_t; -typedef struct sndrv_mask snd_mask_t; -typedef struct snd_sg_buf snd_pcm_sgbuf_t; - #define snd_pcm_substream_chip(substream) ((substream)->private_data) #define snd_pcm_chip(pcm) ((pcm)->private_data) -typedef struct _snd_pcm_file snd_pcm_file_t; -typedef struct _snd_pcm_runtime snd_pcm_runtime_t; - #if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE) #include "pcm_oss.h" #endif @@ -66,7 +39,7 @@ typedef struct _snd_pcm_runtime snd_pcm_runtime_t; * Hardware (lowlevel) section */ -typedef struct _snd_pcm_hardware { +struct snd_pcm_hardware { unsigned int info; /* SNDRV_PCM_INFO_* */ u64 formats; /* SNDRV_PCM_FMTBIT_* */ unsigned int rates; /* SNDRV_PCM_RATE_* */ @@ -80,26 +53,29 @@ typedef struct _snd_pcm_hardware { unsigned int periods_min; /* min # of periods */ unsigned int periods_max; /* max # of periods */ size_t fifo_size; /* fifo size in bytes */ -} snd_pcm_hardware_t; +}; -typedef struct _snd_pcm_ops { - int (*open)(snd_pcm_substream_t *substream); - int (*close)(snd_pcm_substream_t *substream); - int (*ioctl)(snd_pcm_substream_t * substream, +struct snd_pcm_ops { + int (*open)(struct snd_pcm_substream *substream); + int (*close)(struct snd_pcm_substream *substream); + int (*ioctl)(struct snd_pcm_substream * substream, unsigned int cmd, void *arg); - int (*hw_params)(snd_pcm_substream_t * substream, snd_pcm_hw_params_t * params); - int (*hw_free)(snd_pcm_substream_t *substream); - int (*prepare)(snd_pcm_substream_t * substream); - int (*trigger)(snd_pcm_substream_t * substream, int cmd); - snd_pcm_uframes_t (*pointer)(snd_pcm_substream_t * substream); - int (*copy)(snd_pcm_substream_t *substream, int channel, snd_pcm_uframes_t pos, + int (*hw_params)(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params); + int (*hw_free)(struct snd_pcm_substream *substream); + int (*prepare)(struct snd_pcm_substream *substream); + int (*trigger)(struct snd_pcm_substream *substream, int cmd); + snd_pcm_uframes_t (*pointer)(struct snd_pcm_substream *substream); + int (*copy)(struct snd_pcm_substream *substream, int channel, + snd_pcm_uframes_t pos, void __user *buf, snd_pcm_uframes_t count); - int (*silence)(snd_pcm_substream_t *substream, int channel, + int (*silence)(struct snd_pcm_substream *substream, int channel, snd_pcm_uframes_t pos, snd_pcm_uframes_t count); - struct page *(*page)(snd_pcm_substream_t *substream, unsigned long offset); - int (*mmap)(snd_pcm_substream_t *substream, struct vm_area_struct *vma); - int (*ack)(snd_pcm_substream_t *substream); -} snd_pcm_ops_t; + struct page *(*page)(struct snd_pcm_substream *substream, + unsigned long offset); + int (*mmap)(struct snd_pcm_substream *substream, struct vm_area_struct *vma); + int (*ack)(struct snd_pcm_substream *substream); +}; /* * @@ -212,17 +188,16 @@ typedef struct _snd_pcm_ops { #define SNDRV_PCM_FMTBIT_IEC958_SUBFRAME SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE #endif -struct _snd_pcm_file { - snd_pcm_substream_t * substream; - struct _snd_pcm_file * next; +struct snd_pcm_file { + struct snd_pcm_substream *substream; + struct snd_pcm_file *next; }; -typedef struct _snd_pcm_hw_rule snd_pcm_hw_rule_t; +struct snd_pcm_hw_rule; +typedef int (*snd_pcm_hw_rule_func_t)(struct snd_pcm_hw_params *params, + struct snd_pcm_hw_rule *rule); -typedef int (*snd_pcm_hw_rule_func_t)(snd_pcm_hw_params_t *params, - snd_pcm_hw_rule_t *rule); - -struct _snd_pcm_hw_rule { +struct snd_pcm_hw_rule { unsigned int cond; snd_pcm_hw_rule_func_t func; int var; @@ -230,57 +205,57 @@ struct _snd_pcm_hw_rule { void *private; }; -typedef struct _snd_pcm_hw_constraints { - snd_mask_t masks[SNDRV_PCM_HW_PARAM_LAST_MASK - +struct snd_pcm_hw_constraints { + struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - SNDRV_PCM_HW_PARAM_FIRST_MASK + 1]; - snd_interval_t intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - + struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1]; unsigned int rules_num; unsigned int rules_all; - snd_pcm_hw_rule_t *rules; -} snd_pcm_hw_constraints_t; + struct snd_pcm_hw_rule *rules; +}; -static inline snd_mask_t *constrs_mask(snd_pcm_hw_constraints_t *constrs, - snd_pcm_hw_param_t var) +static inline struct snd_mask *constrs_mask(struct snd_pcm_hw_constraints *constrs, + snd_pcm_hw_param_t var) { return &constrs->masks[var - SNDRV_PCM_HW_PARAM_FIRST_MASK]; } -static inline snd_interval_t *constrs_interval(snd_pcm_hw_constraints_t *constrs, - snd_pcm_hw_param_t var) +static inline struct snd_interval *constrs_interval(struct snd_pcm_hw_constraints *constrs, + snd_pcm_hw_param_t var) { return &constrs->intervals[var - SNDRV_PCM_HW_PARAM_FIRST_INTERVAL]; } -typedef struct { +struct snd_ratnum { unsigned int num; unsigned int den_min, den_max, den_step; -} ratnum_t; +}; -typedef struct { +struct snd_ratden { unsigned int num_min, num_max, num_step; unsigned int den; -} ratden_t; +}; -typedef struct { +struct snd_pcm_hw_constraint_ratnums { int nrats; - ratnum_t *rats; -} snd_pcm_hw_constraint_ratnums_t; + struct snd_ratnum *rats; +}; -typedef struct { +struct snd_pcm_hw_constraint_ratdens { int nrats; - ratden_t *rats; -} snd_pcm_hw_constraint_ratdens_t; + struct snd_ratden *rats; +}; -typedef struct { +struct snd_pcm_hw_constraint_list { unsigned int count; unsigned int *list; unsigned int mask; -} snd_pcm_hw_constraint_list_t; +}; -struct _snd_pcm_runtime { +struct snd_pcm_runtime { /* -- Status -- */ - snd_pcm_substream_t *trigger_master; + struct snd_pcm_substream *trigger_master; struct timespec trigger_tstamp; /* trigger timestamp */ int overrange; snd_pcm_uframes_t avail_max; @@ -306,7 +281,7 @@ struct _snd_pcm_runtime { unsigned int rate_den; /* -- SW params -- */ - snd_pcm_tstamp_t tstamp_mode; /* mmap timestamp is updated */ + 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 */ @@ -320,11 +295,11 @@ struct _snd_pcm_runtime { snd_pcm_uframes_t silence_start; /* starting pointer to silence area */ snd_pcm_uframes_t silence_filled; /* size filled with silence */ - snd_pcm_sync_id_t sync; /* hardware synchronization ID */ + union snd_pcm_sync_id sync; /* hardware synchronization ID */ /* -- mmap -- */ - volatile snd_pcm_mmap_status_t *status; - volatile snd_pcm_mmap_control_t *control; + volatile struct snd_pcm_mmap_status *status; + volatile struct snd_pcm_mmap_control *control; atomic_t mmap_count; /* -- locking / scheduling -- */ @@ -334,15 +309,15 @@ struct _snd_pcm_runtime { /* -- private section -- */ void *private_data; - void (*private_free)(snd_pcm_runtime_t *runtime); + void (*private_free)(struct snd_pcm_runtime *runtime); /* -- hardware description -- */ - snd_pcm_hardware_t hw; - snd_pcm_hw_constraints_t hw_constraints; + struct snd_pcm_hardware hw; + struct snd_pcm_hw_constraints hw_constraints; /* -- interrupt callbacks -- */ - void (*transfer_ack_begin)(snd_pcm_substream_t *substream); - void (*transfer_ack_end)(snd_pcm_substream_t *substream); + void (*transfer_ack_begin)(struct snd_pcm_substream *substream); + void (*transfer_ack_end)(struct snd_pcm_substream *substream); /* -- timer -- */ unsigned int timer_resolution; /* timer resolution */ @@ -356,19 +331,19 @@ struct _snd_pcm_runtime { #if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE) /* -- OSS things -- */ - snd_pcm_oss_runtime_t oss; + struct snd_pcm_oss_runtime oss; #endif }; -typedef struct _snd_pcm_group { /* keep linked substreams */ +struct snd_pcm_group { /* keep linked substreams */ spinlock_t lock; struct list_head substreams; int count; -} snd_pcm_group_t; +}; -struct _snd_pcm_substream { - snd_pcm_t *pcm; - snd_pcm_str_t *pstr; +struct snd_pcm_substream { + struct snd_pcm *pcm; + struct snd_pcm_str *pstr; void *private_data; /* copied from pcm->private_data */ int number; char name[32]; /* substream name */ @@ -378,32 +353,32 @@ struct _snd_pcm_substream { unsigned int dma_buf_id; size_t dma_max; /* -- hardware operations -- */ - snd_pcm_ops_t *ops; + struct snd_pcm_ops *ops; /* -- runtime information -- */ - snd_pcm_runtime_t *runtime; + struct snd_pcm_runtime *runtime; /* -- timer section -- */ - snd_timer_t *timer; /* timer */ + struct snd_timer *timer; /* timer */ unsigned timer_running: 1; /* time is running */ spinlock_t timer_lock; /* -- next substream -- */ - snd_pcm_substream_t *next; + struct snd_pcm_substream *next; /* -- linked substreams -- */ struct list_head link_list; /* linked list member */ - snd_pcm_group_t self_group; /* fake group for non linked substream (with substream lock inside) */ - snd_pcm_group_t *group; /* pointer to current group */ + struct snd_pcm_group self_group; /* fake group for non linked substream (with substream lock inside) */ + struct snd_pcm_group *group; /* pointer to current group */ /* -- assigned files -- */ - snd_pcm_file_t *file; + struct snd_pcm_file *file; struct file *ffile; #if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE) /* -- OSS things -- */ - snd_pcm_oss_substream_t oss; + struct snd_pcm_oss_substream oss; #endif - snd_info_entry_t *proc_root; - snd_info_entry_t *proc_info_entry; - snd_info_entry_t *proc_hw_params_entry; - snd_info_entry_t *proc_sw_params_entry; - snd_info_entry_t *proc_status_entry; - snd_info_entry_t *proc_prealloc_entry; + struct snd_info_entry *proc_root; + struct snd_info_entry *proc_info_entry; + struct snd_info_entry *proc_hw_params_entry; + struct snd_info_entry *proc_sw_params_entry; + struct snd_info_entry *proc_status_entry; + struct snd_info_entry *proc_prealloc_entry; /* misc flags */ unsigned int no_mmap_ctrl: 1; }; @@ -415,65 +390,64 @@ struct _snd_pcm_substream { #endif -struct _snd_pcm_str { +struct snd_pcm_str { int stream; /* stream (direction) */ - snd_pcm_t *pcm; + struct snd_pcm *pcm; /* -- substreams -- */ unsigned int substream_count; unsigned int substream_opened; - snd_pcm_substream_t *substream; + struct snd_pcm_substream *substream; #if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE) /* -- OSS things -- */ - snd_pcm_oss_stream_t oss; + struct snd_pcm_oss_stream oss; #endif - snd_pcm_file_t *files; - snd_minor_t *reg; - snd_info_entry_t *proc_root; - snd_info_entry_t *proc_info_entry; + struct snd_pcm_file *files; + struct snd_info_entry *proc_root; + struct snd_info_entry *proc_info_entry; #ifdef CONFIG_SND_DEBUG unsigned int xrun_debug; /* 0 = disabled, 1 = verbose, 2 = stacktrace */ - snd_info_entry_t *proc_xrun_debug_entry; + struct snd_info_entry *proc_xrun_debug_entry; #endif }; -struct _snd_pcm { - snd_card_t *card; +struct snd_pcm { + struct snd_card *card; + struct list_head list; unsigned int device; /* device number */ unsigned int info_flags; unsigned short dev_class; unsigned short dev_subclass; char id[64]; char name[80]; - snd_pcm_str_t streams[2]; + struct snd_pcm_str streams[2]; struct semaphore open_mutex; wait_queue_head_t open_wait; void *private_data; - void (*private_free) (snd_pcm_t *pcm); + void (*private_free) (struct snd_pcm *pcm); #if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE) - snd_pcm_oss_t oss; + struct snd_pcm_oss oss; #endif }; -typedef struct _snd_pcm_notify { - int (*n_register) (snd_pcm_t * pcm); - int (*n_disconnect) (snd_pcm_t * pcm); - int (*n_unregister) (snd_pcm_t * pcm); +struct snd_pcm_notify { + int (*n_register) (struct snd_pcm * pcm); + int (*n_disconnect) (struct snd_pcm * pcm); + int (*n_unregister) (struct snd_pcm * pcm); struct list_head list; -} snd_pcm_notify_t; +}; /* * Registering */ -extern snd_pcm_t *snd_pcm_devices[]; -extern snd_minor_t snd_pcm_reg[2]; +extern struct file_operations snd_pcm_f_ops[2]; -int snd_pcm_new(snd_card_t * card, char *id, int device, +int snd_pcm_new(struct snd_card *card, char *id, int device, int playback_count, int capture_count, - snd_pcm_t **rpcm); -int snd_pcm_new_stream(snd_pcm_t *pcm, int stream, int substream_count); + struct snd_pcm **rpcm); +int snd_pcm_new_stream(struct snd_pcm *pcm, int stream, int substream_count); -int snd_pcm_notify(snd_pcm_notify_t *notify, int nfree); +int snd_pcm_notify(struct snd_pcm_notify *notify, int nfree); /* * Native I/O @@ -481,24 +455,26 @@ int snd_pcm_notify(snd_pcm_notify_t *notify, int nfree); extern rwlock_t snd_pcm_link_rwlock; -int snd_pcm_info(snd_pcm_substream_t * substream, snd_pcm_info_t *info); -int snd_pcm_info_user(snd_pcm_substream_t * substream, snd_pcm_info_t __user *info); -int snd_pcm_status(snd_pcm_substream_t * substream, snd_pcm_status_t *status); -int snd_pcm_prepare(snd_pcm_substream_t *substream); -int snd_pcm_start(snd_pcm_substream_t *substream); -int snd_pcm_stop(snd_pcm_substream_t *substream, int status); -int snd_pcm_drain_done(snd_pcm_substream_t *substream); +int snd_pcm_info(struct snd_pcm_substream *substream, struct snd_pcm_info *info); +int snd_pcm_info_user(struct snd_pcm_substream *substream, + struct snd_pcm_info __user *info); +int snd_pcm_status(struct snd_pcm_substream *substream, + struct snd_pcm_status *status); +int snd_pcm_prepare(struct snd_pcm_substream *substream); +int snd_pcm_start(struct snd_pcm_substream *substream); +int snd_pcm_stop(struct snd_pcm_substream *substream, int status); +int snd_pcm_drain_done(struct snd_pcm_substream *substream); #ifdef CONFIG_PM -int snd_pcm_suspend(snd_pcm_substream_t *substream); -int snd_pcm_suspend_all(snd_pcm_t *pcm); +int snd_pcm_suspend(struct snd_pcm_substream *substream); +int snd_pcm_suspend_all(struct snd_pcm *pcm); #endif -int snd_pcm_kernel_playback_ioctl(snd_pcm_substream_t *substream, unsigned int cmd, void *arg); -int snd_pcm_kernel_capture_ioctl(snd_pcm_substream_t *substream, unsigned int cmd, void *arg); -int snd_pcm_kernel_ioctl(snd_pcm_substream_t *substream, unsigned int cmd, void *arg); -int snd_pcm_open_substream(snd_pcm_t *pcm, int stream, snd_pcm_substream_t **rsubstream); -void snd_pcm_release_substream(snd_pcm_substream_t *substream); +int snd_pcm_kernel_playback_ioctl(struct snd_pcm_substream *substream, unsigned int cmd, void *arg); +int snd_pcm_kernel_capture_ioctl(struct snd_pcm_substream *substream, unsigned int cmd, void *arg); +int snd_pcm_kernel_ioctl(struct snd_pcm_substream *substream, unsigned int cmd, void *arg); +int snd_pcm_open_substream(struct snd_pcm *pcm, int stream, struct snd_pcm_substream **rsubstream); +void snd_pcm_release_substream(struct snd_pcm_substream *substream); void snd_pcm_vma_notify_data(void *client, void *data); -int snd_pcm_mmap_data(snd_pcm_substream_t *substream, struct file *file, struct vm_area_struct *area); +int snd_pcm_mmap_data(struct snd_pcm_substream *substream, struct file *file, struct vm_area_struct *area); #if BITS_PER_LONG >= 64 @@ -578,30 +554,30 @@ static inline void div64_32(u_int64_t *n, u_int32_t div, u_int32_t *rem) * PCM library */ -static inline int snd_pcm_stream_linked(snd_pcm_substream_t *substream) +static inline int snd_pcm_stream_linked(struct snd_pcm_substream *substream) { return substream->group != &substream->self_group; } -static inline void snd_pcm_stream_lock(snd_pcm_substream_t *substream) +static inline void snd_pcm_stream_lock(struct snd_pcm_substream *substream) { read_lock(&snd_pcm_link_rwlock); spin_lock(&substream->self_group.lock); } -static inline void snd_pcm_stream_unlock(snd_pcm_substream_t *substream) +static inline void snd_pcm_stream_unlock(struct snd_pcm_substream *substream) { spin_unlock(&substream->self_group.lock); read_unlock(&snd_pcm_link_rwlock); } -static inline void snd_pcm_stream_lock_irq(snd_pcm_substream_t *substream) +static inline void snd_pcm_stream_lock_irq(struct snd_pcm_substream *substream) { read_lock_irq(&snd_pcm_link_rwlock); spin_lock(&substream->self_group.lock); } -static inline void snd_pcm_stream_unlock_irq(snd_pcm_substream_t *substream) +static inline void snd_pcm_stream_unlock_irq(struct snd_pcm_substream *substream) { spin_unlock(&substream->self_group.lock); read_unlock_irq(&snd_pcm_link_rwlock); @@ -623,56 +599,56 @@ do { \ list_for_each(pos, &substream->group->substreams) #define snd_pcm_group_substream_entry(pos) \ - list_entry(pos, snd_pcm_substream_t, link_list) + list_entry(pos, struct snd_pcm_substream, link_list) -static inline int snd_pcm_running(snd_pcm_substream_t *substream) +static inline int snd_pcm_running(struct snd_pcm_substream *substream) { return (substream->runtime->status->state == SNDRV_PCM_STATE_RUNNING || (substream->runtime->status->state == SNDRV_PCM_STATE_DRAINING && substream->stream == SNDRV_PCM_STREAM_PLAYBACK)); } -static inline ssize_t bytes_to_samples(snd_pcm_runtime_t *runtime, ssize_t size) +static inline ssize_t bytes_to_samples(struct snd_pcm_runtime *runtime, ssize_t size) { return size * 8 / runtime->sample_bits; } -static inline snd_pcm_sframes_t bytes_to_frames(snd_pcm_runtime_t *runtime, ssize_t size) +static inline snd_pcm_sframes_t bytes_to_frames(struct snd_pcm_runtime *runtime, ssize_t size) { return size * 8 / runtime->frame_bits; } -static inline ssize_t samples_to_bytes(snd_pcm_runtime_t *runtime, ssize_t size) +static inline ssize_t samples_to_bytes(struct snd_pcm_runtime *runtime, ssize_t size) { return size * runtime->sample_bits / 8; } -static inline ssize_t frames_to_bytes(snd_pcm_runtime_t *runtime, snd_pcm_sframes_t size) +static inline ssize_t frames_to_bytes(struct snd_pcm_runtime *runtime, snd_pcm_sframes_t size) { return size * runtime->frame_bits / 8; } -static inline int frame_aligned(snd_pcm_runtime_t *runtime, ssize_t bytes) +static inline int frame_aligned(struct snd_pcm_runtime *runtime, ssize_t bytes) { return bytes % runtime->byte_align == 0; } -static inline size_t snd_pcm_lib_buffer_bytes(snd_pcm_substream_t *substream) +static inline size_t snd_pcm_lib_buffer_bytes(struct snd_pcm_substream *substream) { - snd_pcm_runtime_t *runtime = substream->runtime; + struct snd_pcm_runtime *runtime = substream->runtime; return frames_to_bytes(runtime, runtime->buffer_size); } -static inline size_t snd_pcm_lib_period_bytes(snd_pcm_substream_t *substream) +static inline size_t snd_pcm_lib_period_bytes(struct snd_pcm_substream *substream) { - snd_pcm_runtime_t *runtime = substream->runtime; + struct snd_pcm_runtime *runtime = substream->runtime; return frames_to_bytes(runtime, runtime->period_size); } /* * result is: 0 ... (boundary - 1) */ -static inline snd_pcm_uframes_t snd_pcm_playback_avail(snd_pcm_runtime_t *runtime) +static inline snd_pcm_uframes_t snd_pcm_playback_avail(struct snd_pcm_runtime *runtime) { snd_pcm_sframes_t avail = runtime->status->hw_ptr + runtime->buffer_size - runtime->control->appl_ptr; if (avail < 0) @@ -685,7 +661,7 @@ static inline snd_pcm_uframes_t snd_pcm_playback_avail(snd_pcm_runtime_t *runtim /* * result is: 0 ... (boundary - 1) */ -static inline snd_pcm_uframes_t snd_pcm_capture_avail(snd_pcm_runtime_t *runtime) +static inline snd_pcm_uframes_t snd_pcm_capture_avail(struct snd_pcm_runtime *runtime) { snd_pcm_sframes_t avail = runtime->status->hw_ptr - runtime->control->appl_ptr; if (avail < 0) @@ -693,12 +669,12 @@ static inline snd_pcm_uframes_t snd_pcm_capture_avail(snd_pcm_runtime_t *runtime return avail; } -static inline snd_pcm_sframes_t snd_pcm_playback_hw_avail(snd_pcm_runtime_t *runtime) +static inline snd_pcm_sframes_t snd_pcm_playback_hw_avail(struct snd_pcm_runtime *runtime) { return runtime->buffer_size - snd_pcm_playback_avail(runtime); } -static inline snd_pcm_sframes_t snd_pcm_capture_hw_avail(snd_pcm_runtime_t *runtime) +static inline snd_pcm_sframes_t snd_pcm_capture_hw_avail(struct snd_pcm_runtime *runtime) { return runtime->buffer_size - snd_pcm_capture_avail(runtime); } @@ -711,9 +687,9 @@ static inline snd_pcm_sframes_t snd_pcm_capture_hw_avail(snd_pcm_runtime_t *runt * * Returns non-zero if available, or zero if not. */ -static inline int snd_pcm_playback_ready(snd_pcm_substream_t *substream) +static inline int snd_pcm_playback_ready(struct snd_pcm_substream *substream) { - snd_pcm_runtime_t *runtime = substream->runtime; + struct snd_pcm_runtime *runtime = substream->runtime; return snd_pcm_playback_avail(runtime) >= runtime->control->avail_min; } @@ -725,9 +701,9 @@ static inline int snd_pcm_playback_ready(snd_pcm_substream_t *substream) * * Returns non-zero if available, or zero if not. */ -static inline int snd_pcm_capture_ready(snd_pcm_substream_t *substream) +static inline int snd_pcm_capture_ready(struct snd_pcm_substream *substream) { - snd_pcm_runtime_t *runtime = substream->runtime; + struct snd_pcm_runtime *runtime = substream->runtime; return snd_pcm_capture_avail(runtime) >= runtime->control->avail_min; } @@ -740,9 +716,9 @@ static inline int snd_pcm_capture_ready(snd_pcm_substream_t *substream) * * Returns non-zero if exists, or zero if not. */ -static inline int snd_pcm_playback_data(snd_pcm_substream_t *substream) +static inline int snd_pcm_playback_data(struct snd_pcm_substream *substream) { - snd_pcm_runtime_t *runtime = substream->runtime; + struct snd_pcm_runtime *runtime = substream->runtime; if (runtime->stop_threshold >= runtime->boundary) return 1; @@ -757,9 +733,9 @@ static inline int snd_pcm_playback_data(snd_pcm_substream_t *substream) * * Returns non-zero if empty, or zero if not. */ -static inline int snd_pcm_playback_empty(snd_pcm_substream_t *substream) +static inline int snd_pcm_playback_empty(struct snd_pcm_substream *substream) { - snd_pcm_runtime_t *runtime = substream->runtime; + struct snd_pcm_runtime *runtime = substream->runtime; return snd_pcm_playback_avail(runtime) >= runtime->buffer_size; } @@ -771,14 +747,14 @@ static inline int snd_pcm_playback_empty(snd_pcm_substream_t *substream) * * Returns non-zero if empty, or zero if not. */ -static inline int snd_pcm_capture_empty(snd_pcm_substream_t *substream) +static inline int snd_pcm_capture_empty(struct snd_pcm_substream *substream) { - snd_pcm_runtime_t *runtime = substream->runtime; + struct snd_pcm_runtime *runtime = substream->runtime; return snd_pcm_capture_avail(runtime) == 0; } -static inline void snd_pcm_trigger_done(snd_pcm_substream_t *substream, - snd_pcm_substream_t *master) +static inline void snd_pcm_trigger_done(struct snd_pcm_substream *substream, + struct snd_pcm_substream *master) { substream->runtime->trigger_master = master; } @@ -795,28 +771,28 @@ static inline int hw_is_interval(int var) var <= SNDRV_PCM_HW_PARAM_LAST_INTERVAL; } -static inline snd_mask_t *hw_param_mask(snd_pcm_hw_params_t *params, +static inline struct snd_mask *hw_param_mask(struct snd_pcm_hw_params *params, snd_pcm_hw_param_t var) { return ¶ms->masks[var - SNDRV_PCM_HW_PARAM_FIRST_MASK]; } -static inline snd_interval_t *hw_param_interval(snd_pcm_hw_params_t *params, +static inline struct snd_interval *hw_param_interval(struct snd_pcm_hw_params *params, snd_pcm_hw_param_t var) { return ¶ms->intervals[var - SNDRV_PCM_HW_PARAM_FIRST_INTERVAL]; } -static inline const snd_mask_t *hw_param_mask_c(const snd_pcm_hw_params_t *params, +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 snd_mask_t *)hw_param_mask((snd_pcm_hw_params_t*) params, var); + return (const struct snd_mask *)hw_param_mask((struct snd_pcm_hw_params*) params, var); } -static inline const snd_interval_t *hw_param_interval_c(const snd_pcm_hw_params_t *params, +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 snd_interval_t *)hw_param_interval((snd_pcm_hw_params_t*) params, var); + return (const struct snd_interval *)hw_param_interval((struct snd_pcm_hw_params*) params, var); } #define params_access(p) snd_mask_min(hw_param_mask((p), SNDRV_PCM_HW_PARAM_ACCESS)) @@ -832,66 +808,66 @@ static inline const snd_interval_t *hw_param_interval_c(const snd_pcm_hw_params_ #define params_tick_time(p) hw_param_interval((p), SNDRV_PCM_HW_PARAM_TICK_TIME)->min -int snd_interval_refine(snd_interval_t *i, const snd_interval_t *v); -void snd_interval_mul(const snd_interval_t *a, const snd_interval_t *b, snd_interval_t *c); -void snd_interval_div(const snd_interval_t *a, const snd_interval_t *b, snd_interval_t *c); -void snd_interval_muldivk(const snd_interval_t *a, const snd_interval_t *b, - unsigned int k, snd_interval_t *c); -void snd_interval_mulkdiv(const snd_interval_t *a, unsigned int k, - const snd_interval_t *b, snd_interval_t *c); -int snd_interval_list(snd_interval_t *i, unsigned int count, unsigned int *list, unsigned int mask); -int snd_interval_ratnum(snd_interval_t *i, - unsigned int rats_count, ratnum_t *rats, +int snd_interval_refine(struct snd_interval *i, const struct snd_interval *v); +void snd_interval_mul(const struct snd_interval *a, const struct snd_interval *b, struct snd_interval *c); +void snd_interval_div(const struct snd_interval *a, const struct snd_interval *b, struct snd_interval *c); +void snd_interval_muldivk(const struct snd_interval *a, const struct snd_interval *b, + unsigned int k, struct snd_interval *c); +void snd_interval_mulkdiv(const struct snd_interval *a, unsigned int k, + const struct snd_interval *b, struct snd_interval *c); +int snd_interval_list(struct snd_interval *i, unsigned int count, unsigned int *list, unsigned int mask); +int snd_interval_ratnum(struct snd_interval *i, + unsigned int rats_count, struct snd_ratnum *rats, unsigned int *nump, unsigned int *denp); -void _snd_pcm_hw_params_any(snd_pcm_hw_params_t *params); -void _snd_pcm_hw_param_setempty(snd_pcm_hw_params_t *params, snd_pcm_hw_param_t var); -int snd_pcm_hw_param_near(snd_pcm_substream_t *substream, - snd_pcm_hw_params_t *params, +void _snd_pcm_hw_params_any(struct snd_pcm_hw_params *params); +void _snd_pcm_hw_param_setempty(struct snd_pcm_hw_params *params, snd_pcm_hw_param_t var); +int snd_pcm_hw_param_near(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, snd_pcm_hw_param_t var, unsigned int val, int *dir); -int snd_pcm_hw_param_set(snd_pcm_substream_t *pcm, - snd_pcm_hw_params_t *params, +int snd_pcm_hw_param_set(struct snd_pcm_substream *pcm, + struct snd_pcm_hw_params *params, snd_pcm_hw_param_t var, unsigned int val, int dir); -int snd_pcm_hw_params_choose(snd_pcm_substream_t *substream, snd_pcm_hw_params_t *params); +int snd_pcm_hw_params_choose(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params); -int snd_pcm_hw_refine(snd_pcm_substream_t *substream, snd_pcm_hw_params_t *params); +int snd_pcm_hw_refine(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params); -int snd_pcm_hw_constraints_init(snd_pcm_substream_t *substream); -int snd_pcm_hw_constraints_complete(snd_pcm_substream_t *substream); +int snd_pcm_hw_constraints_init(struct snd_pcm_substream *substream); +int snd_pcm_hw_constraints_complete(struct snd_pcm_substream *substream); -int snd_pcm_hw_constraint_mask(snd_pcm_runtime_t *runtime, snd_pcm_hw_param_t var, +int snd_pcm_hw_constraint_mask(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var, u_int32_t mask); -int snd_pcm_hw_constraint_mask64(snd_pcm_runtime_t *runtime, snd_pcm_hw_param_t var, +int snd_pcm_hw_constraint_mask64(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var, u_int64_t mask); -int snd_pcm_hw_constraint_minmax(snd_pcm_runtime_t *runtime, snd_pcm_hw_param_t var, +int snd_pcm_hw_constraint_minmax(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var, unsigned int min, unsigned int max); -int snd_pcm_hw_constraint_integer(snd_pcm_runtime_t *runtime, snd_pcm_hw_param_t var); -int snd_pcm_hw_constraint_list(snd_pcm_runtime_t *runtime, +int snd_pcm_hw_constraint_integer(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var); +int snd_pcm_hw_constraint_list(struct snd_pcm_runtime *runtime, unsigned int cond, snd_pcm_hw_param_t var, - snd_pcm_hw_constraint_list_t *l); -int snd_pcm_hw_constraint_ratnums(snd_pcm_runtime_t *runtime, + struct snd_pcm_hw_constraint_list *l); +int snd_pcm_hw_constraint_ratnums(struct snd_pcm_runtime *runtime, unsigned int cond, snd_pcm_hw_param_t var, - snd_pcm_hw_constraint_ratnums_t *r); -int snd_pcm_hw_constraint_ratdens(snd_pcm_runtime_t *runtime, + struct snd_pcm_hw_constraint_ratnums *r); +int snd_pcm_hw_constraint_ratdens(struct snd_pcm_runtime *runtime, unsigned int cond, snd_pcm_hw_param_t var, - snd_pcm_hw_constraint_ratdens_t *r); -int snd_pcm_hw_constraint_msbits(snd_pcm_runtime_t *runtime, + struct snd_pcm_hw_constraint_ratdens *r); +int snd_pcm_hw_constraint_msbits(struct snd_pcm_runtime *runtime, unsigned int cond, unsigned int width, unsigned int msbits); -int snd_pcm_hw_constraint_step(snd_pcm_runtime_t *runtime, +int snd_pcm_hw_constraint_step(struct snd_pcm_runtime *runtime, unsigned int cond, snd_pcm_hw_param_t var, unsigned long step); -int snd_pcm_hw_constraint_pow2(snd_pcm_runtime_t *runtime, +int snd_pcm_hw_constraint_pow2(struct snd_pcm_runtime *runtime, unsigned int cond, snd_pcm_hw_param_t var); -int snd_pcm_hw_rule_add(snd_pcm_runtime_t *runtime, +int snd_pcm_hw_rule_add(struct snd_pcm_runtime *runtime, unsigned int cond, int var, snd_pcm_hw_rule_func_t func, void *private, @@ -925,37 +901,37 @@ int snd_pcm_format_set_silence(snd_pcm_format_t format, void *buf, unsigned int snd_pcm_format_t snd_pcm_build_linear_format(int width, int unsignd, int big_endian); const char *snd_pcm_format_name(snd_pcm_format_t format); -void snd_pcm_set_ops(snd_pcm_t * pcm, int direction, snd_pcm_ops_t *ops); -void snd_pcm_set_sync(snd_pcm_substream_t * substream); -int snd_pcm_lib_interleave_len(snd_pcm_substream_t *substream); -int snd_pcm_lib_ioctl(snd_pcm_substream_t *substream, +void snd_pcm_set_ops(struct snd_pcm * pcm, int direction, struct snd_pcm_ops *ops); +void snd_pcm_set_sync(struct snd_pcm_substream *substream); +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_hw_ptr(snd_pcm_substream_t *substream); -int snd_pcm_playback_xrun_check(snd_pcm_substream_t *substream); -int snd_pcm_capture_xrun_check(snd_pcm_substream_t *substream); -int snd_pcm_playback_xrun_asap(snd_pcm_substream_t *substream); -int snd_pcm_capture_xrun_asap(snd_pcm_substream_t *substream); -void snd_pcm_playback_silence(snd_pcm_substream_t *substream, snd_pcm_uframes_t new_hw_ptr); -void snd_pcm_tick_prepare(snd_pcm_substream_t *substream); -void snd_pcm_tick_set(snd_pcm_substream_t *substream, unsigned long ticks); -void snd_pcm_tick_elapsed(snd_pcm_substream_t *substream); -void snd_pcm_period_elapsed(snd_pcm_substream_t *substream); -snd_pcm_sframes_t snd_pcm_lib_write(snd_pcm_substream_t *substream, +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); +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, snd_pcm_uframes_t frames); -snd_pcm_sframes_t snd_pcm_lib_read(snd_pcm_substream_t *substream, +snd_pcm_sframes_t snd_pcm_lib_read(struct snd_pcm_substream *substream, void __user *buf, snd_pcm_uframes_t frames); -snd_pcm_sframes_t snd_pcm_lib_writev(snd_pcm_substream_t *substream, +snd_pcm_sframes_t snd_pcm_lib_writev(struct snd_pcm_substream *substream, void __user **bufs, snd_pcm_uframes_t frames); -snd_pcm_sframes_t snd_pcm_lib_readv(snd_pcm_substream_t *substream, +snd_pcm_sframes_t snd_pcm_lib_readv(struct snd_pcm_substream *substream, void __user **bufs, snd_pcm_uframes_t frames); -int snd_pcm_limit_hw_rates(snd_pcm_runtime_t *runtime); +int snd_pcm_limit_hw_rates(struct snd_pcm_runtime *runtime); -static inline void snd_pcm_set_runtime_buffer(snd_pcm_substream_t *substream, +static inline void snd_pcm_set_runtime_buffer(struct snd_pcm_substream *substream, struct snd_dma_buffer *bufp) { - snd_pcm_runtime_t *runtime = substream->runtime; + struct snd_pcm_runtime *runtime = substream->runtime; if (bufp) { runtime->dma_buffer_p = bufp; runtime->dma_area = bufp->area; @@ -973,47 +949,47 @@ static inline void snd_pcm_set_runtime_buffer(snd_pcm_substream_t *substream, * Timer interface */ -void snd_pcm_timer_resolution_change(snd_pcm_substream_t *substream); -void snd_pcm_timer_init(snd_pcm_substream_t * substream); -void snd_pcm_timer_done(snd_pcm_substream_t * substream); +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); /* * Memory */ -int snd_pcm_lib_preallocate_free(snd_pcm_substream_t *substream); -int snd_pcm_lib_preallocate_free_for_all(snd_pcm_t *pcm); -int snd_pcm_lib_preallocate_pages(snd_pcm_substream_t *substream, +int snd_pcm_lib_preallocate_free(struct snd_pcm_substream *substream); +int snd_pcm_lib_preallocate_free_for_all(struct snd_pcm *pcm); +int snd_pcm_lib_preallocate_pages(struct snd_pcm_substream *substream, int type, struct device *data, size_t size, size_t max); -int snd_pcm_lib_preallocate_pages_for_all(snd_pcm_t *pcm, +int snd_pcm_lib_preallocate_pages_for_all(struct snd_pcm *pcm, int type, void *data, size_t size, size_t max); -int snd_pcm_lib_malloc_pages(snd_pcm_substream_t *substream, size_t size); -int snd_pcm_lib_free_pages(snd_pcm_substream_t *substream); +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(snd_pcm_substream_t *substream, unsigned long offset); +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) { - snd_pcm_substream_t *substream = (snd_pcm_substream_t *)area->vm_private_data; + struct snd_pcm_substream *substream = (struct snd_pcm_substream *)area->vm_private_data; atomic_inc(&substream->runtime->mmap_count); } static inline void snd_pcm_mmap_data_close(struct vm_area_struct *area) { - snd_pcm_substream_t *substream = (snd_pcm_substream_t *)area->vm_private_data; + struct snd_pcm_substream *substream = (struct snd_pcm_substream *)area->vm_private_data; atomic_dec(&substream->runtime->mmap_count); } /* mmap for io-memory area */ #if defined(CONFIG_X86) || defined(CONFIG_PPC) || defined(CONFIG_ALPHA) #define SNDRV_PCM_INFO_MMAP_IOMEM SNDRV_PCM_INFO_MMAP -int snd_pcm_lib_mmap_iomem(snd_pcm_substream_t *substream, struct vm_area_struct *area); +int snd_pcm_lib_mmap_iomem(struct snd_pcm_substream *substream, struct vm_area_struct *area); #else #define SNDRV_PCM_INFO_MMAP_IOMEM 0 #define snd_pcm_lib_mmap_iomem NULL |