/*
* Digital Audio (PCM) abstract layer
- * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
* Abramo Bagnara <abramo@alsa-project.org>
*
*
#include <sound/asound.h>
#include <sound/memalloc.h>
+#include <sound/minors.h>
#include <linux/poll.h>
+#include <linux/mm.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
* 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_* */
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_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);
+};
/*
*
*/
-#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)
#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;
+ int no_compat_mmap;
};
-typedef struct _snd_pcm_hw_rule snd_pcm_hw_rule_t;
-
-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;
+typedef int (*snd_pcm_hw_rule_func_t)(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule);
-struct _snd_pcm_hw_rule {
+struct snd_pcm_hw_rule {
unsigned int cond;
snd_pcm_hw_rule_func_t func;
int var;
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;
- snd_timestamp_t trigger_tstamp; /* trigger timestamp */
+ struct snd_pcm_substream *trigger_master;
+ struct timespec trigger_tstamp; /* trigger timestamp */
int overrange;
snd_pcm_uframes_t avail_max;
snd_pcm_uframes_t hw_ptr_base; /* Position at buffer restart */
- snd_pcm_uframes_t hw_ptr_interrupt; /* Position at interrupt time*/
+ snd_pcm_uframes_t hw_ptr_interrupt; /* Position at interrupt time */
+ unsigned long hw_ptr_jiffies; /* Time when hw_ptr is updated */
/* -- HW params -- */
snd_pcm_access_t access; /* access mode */
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;
unsigned int rate_den;
/* -- SW params -- */
- int tstamp_timespec; /* use timeval (0) or timespec (1) */
- 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 */
snd_pcm_uframes_t start_threshold;
snd_pcm_uframes_t stop_threshold;
snd_pcm_uframes_t silence_threshold; /* Silence filling happens when
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;
- atomic_t mmap_count;
+ 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 -- */
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 */
+ int tstamp_type; /* timestamp type */
/* -- DMA -- */
unsigned char *dma_area; /* DMA area */
#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 */
int stream; /* stream (direction) */
+ char latency_id[20]; /* latency identifier */
size_t buffer_bytes_max; /* limit ring buffer size */
struct snd_dma_buffer dma_buffer;
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 file *ffile;
+ void *file;
+ int ref_count;
+ atomic_t mmap_count;
+ unsigned int f_flags;
+ void (*pcm_release)(struct snd_pcm_substream *);
#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
+#ifdef CONFIG_SND_VERBOSE_PROCFS
+ 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;
+ struct snd_info_entry *proc_prealloc_max_entry;
#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;
/* misc flags */
- unsigned int no_mmap_ctrl: 1;
+ unsigned int hw_opened: 1;
};
-#if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
-#define SUBSTREAM_BUSY(substream) ((substream)->file != NULL || ((substream)->oss.file != NULL))
-#else
-#define SUBSTREAM_BUSY(substream) ((substream)->file != NULL)
-#endif
+#define SUBSTREAM_BUSY(substream) ((substream)->ref_count > 0)
-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;
-#ifdef CONFIG_SND_DEBUG
+#ifdef CONFIG_SND_VERBOSE_PROCFS
+ struct snd_info_entry *proc_root;
+ struct snd_info_entry *proc_info_entry;
+#ifdef CONFIG_SND_PCM_XRUN_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
#endif
};
-struct _snd_pcm {
- snd_card_t *card;
- unsigned int device; /* device number */
+struct snd_pcm {
+ struct snd_card *card;
+ struct list_head list;
+ 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 semaphore open_mutex;
+ struct snd_pcm_str streams[2];
+ struct mutex 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);
+ struct device *dev; /* actual hw device this belongs to */
#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 const 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, const 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
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_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_ioctl(struct snd_pcm_substream *substream, unsigned int cmd, void *arg);
+int snd_pcm_open_substream(struct snd_pcm *pcm, int stream, struct file *file,
+ struct snd_pcm_substream **rsubstream);
+void snd_pcm_release_substream(struct snd_pcm_substream *substream);
+int snd_pcm_attach_substream(struct snd_pcm *pcm, int stream, struct file *file,
+ struct snd_pcm_substream **rsubstream);
+void snd_pcm_detach_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
* 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);
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, snd_pcm_substream_t, 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(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)
/*
* 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)
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);
}
*
* 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;
}
*
* 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;
}
*
* 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;
*
* 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;
}
*
* 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;
}
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 ¶ms->masks[var - SNDRV_PCM_HW_PARAM_FIRST_MASK];
}
-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 ¶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))
#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(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,
- 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,
- 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);
+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_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,
int snd_pcm_format_linear(snd_pcm_format_t format);
int snd_pcm_format_little_endian(snd_pcm_format_t format);
int snd_pcm_format_big_endian(snd_pcm_format_t format);
+#if 0 /* just for DocBook */
/**
* snd_pcm_format_cpu_endian - Check the PCM format is CPU-endian
* @format: the format to check
* Returns 1 if the given PCM format is CPU-endian, 0 if
* opposite, or a negative error code if endian not specified.
*/
-/* int snd_pcm_format_cpu_endian(snd_pcm_format_t format); */
+int snd_pcm_format_cpu_endian(snd_pcm_format_t format);
+#endif /* DocBook */
#ifdef SNDRV_LITTLE_ENDIAN
-#define snd_pcm_format_cpu_endian snd_pcm_format_little_endian
+#define snd_pcm_format_cpu_endian(format) snd_pcm_format_little_endian(format)
#else
-#define snd_pcm_format_cpu_endian snd_pcm_format_big_endian
+#define snd_pcm_format_cpu_endian(format) snd_pcm_format_big_endian(format)
#endif
int snd_pcm_format_width(snd_pcm_format_t format); /* in bits */
int snd_pcm_format_physical_width(snd_pcm_format_t format); /* in bits */
const unsigned char *snd_pcm_format_silence_64(snd_pcm_format_t format);
int snd_pcm_format_set_silence(snd_pcm_format_t format, void *buf, unsigned int frames);
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_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);
+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(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;
* 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);
+
+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_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);
+/*
+ * 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);
+unsigned int snd_pcm_sgbuf_get_chunk_size(struct snd_pcm_substream *substream,
+ unsigned int ofs, unsigned int size);
/* 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;
- atomic_inc(&substream->runtime->mmap_count);
+ struct snd_pcm_substream *substream = (struct snd_pcm_substream *)area->vm_private_data;
+ atomic_inc(&substream->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;
- atomic_dec(&substream->runtime->mmap_count);
+ struct snd_pcm_substream *substream = (struct snd_pcm_substream *)area->vm_private_data;
+ atomic_dec(&substream->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
(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 */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff