X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fsound%2Fcore.h;h=5135147f20e89db0413eff0c1ee99dea305af0be;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=9117c23e3a01b9b885eb97f18c06efd79f677347;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/include/sound/core.h b/include/sound/core.h index 9117c23e3..5135147f2 100644 --- a/include/sound/core.h +++ b/include/sound/core.h @@ -23,19 +23,11 @@ */ #include /* wake_up() */ -#include /* struct semaphore */ +#include /* struct mutex */ #include /* struct rw_semaphore */ #include /* struct workqueue_struct */ #include /* pm_message_t */ -/* Typedef's */ -typedef struct timespec snd_timestamp_t; -typedef struct sndrv_interval snd_interval_t; -typedef enum sndrv_card_type snd_card_type; -typedef struct sndrv_xferi snd_xferi_t; -typedef struct sndrv_xfern snd_xfern_t; -typedef struct sndrv_xferv snd_xferv_t; - /* forward declarations */ #ifdef CONFIG_PCI struct pci_dev; @@ -48,76 +40,50 @@ struct sbus_dev; #define SNDRV_DEV_TYPE_RANGE_SIZE 0x1000 -typedef enum { - SNDRV_DEV_TOPLEVEL = (0*SNDRV_DEV_TYPE_RANGE_SIZE), - SNDRV_DEV_CONTROL, - SNDRV_DEV_LOWLEVEL_PRE, - SNDRV_DEV_LOWLEVEL_NORMAL = (1*SNDRV_DEV_TYPE_RANGE_SIZE), - SNDRV_DEV_PCM, - SNDRV_DEV_RAWMIDI, - SNDRV_DEV_TIMER, - SNDRV_DEV_SEQUENCER, - SNDRV_DEV_HWDEP, - SNDRV_DEV_INFO, - SNDRV_DEV_BUS, - SNDRV_DEV_CODEC, - SNDRV_DEV_LOWLEVEL = (2*SNDRV_DEV_TYPE_RANGE_SIZE) -} snd_device_type_t; - -typedef enum { - SNDRV_DEV_BUILD, - SNDRV_DEV_REGISTERED, - SNDRV_DEV_DISCONNECTED -} snd_device_state_t; - -typedef enum { - SNDRV_DEV_CMD_PRE = 0, - SNDRV_DEV_CMD_NORMAL = 1, - SNDRV_DEV_CMD_POST = 2 -} snd_device_cmd_t; - -typedef struct _snd_card snd_card_t; -typedef struct _snd_device snd_device_t; - -typedef int (snd_dev_free_t)(snd_device_t *device); -typedef int (snd_dev_register_t)(snd_device_t *device); -typedef int (snd_dev_disconnect_t)(snd_device_t *device); -typedef int (snd_dev_unregister_t)(snd_device_t *device); - -typedef struct { - snd_dev_free_t *dev_free; - snd_dev_register_t *dev_register; - snd_dev_disconnect_t *dev_disconnect; - snd_dev_unregister_t *dev_unregister; -} snd_device_ops_t; - -struct _snd_device { +typedef int __bitwise snd_device_type_t; +#define SNDRV_DEV_TOPLEVEL ((__force snd_device_type_t) 0) +#define SNDRV_DEV_CONTROL ((__force snd_device_type_t) 1) +#define SNDRV_DEV_LOWLEVEL_PRE ((__force snd_device_type_t) 2) +#define SNDRV_DEV_LOWLEVEL_NORMAL ((__force snd_device_type_t) 0x1000) +#define SNDRV_DEV_PCM ((__force snd_device_type_t) 0x1001) +#define SNDRV_DEV_RAWMIDI ((__force snd_device_type_t) 0x1002) +#define SNDRV_DEV_TIMER ((__force snd_device_type_t) 0x1003) +#define SNDRV_DEV_SEQUENCER ((__force snd_device_type_t) 0x1004) +#define SNDRV_DEV_HWDEP ((__force snd_device_type_t) 0x1005) +#define SNDRV_DEV_INFO ((__force snd_device_type_t) 0x1006) +#define SNDRV_DEV_BUS ((__force snd_device_type_t) 0x1007) +#define SNDRV_DEV_CODEC ((__force snd_device_type_t) 0x1008) +#define SNDRV_DEV_LOWLEVEL ((__force snd_device_type_t) 0x2000) + +typedef int __bitwise snd_device_state_t; +#define SNDRV_DEV_BUILD ((__force snd_device_state_t) 0) +#define SNDRV_DEV_REGISTERED ((__force snd_device_state_t) 1) +#define SNDRV_DEV_DISCONNECTED ((__force snd_device_state_t) 2) + +typedef int __bitwise snd_device_cmd_t; +#define SNDRV_DEV_CMD_PRE ((__force snd_device_cmd_t) 0) +#define SNDRV_DEV_CMD_NORMAL ((__force snd_device_cmd_t) 1) +#define SNDRV_DEV_CMD_POST ((__force snd_device_cmd_t) 2) + +struct snd_device; + +struct snd_device_ops { + int (*dev_free)(struct snd_device *dev); + int (*dev_register)(struct snd_device *dev); + int (*dev_disconnect)(struct snd_device *dev); + int (*dev_unregister)(struct snd_device *dev); +}; + +struct snd_device { struct list_head list; /* list of registered devices */ - snd_card_t *card; /* card which holds this device */ + struct snd_card *card; /* card which holds this device */ snd_device_state_t state; /* state of the device */ snd_device_type_t type; /* device type */ void *device_data; /* device structure */ - snd_device_ops_t *ops; /* operations */ + struct snd_device_ops *ops; /* operations */ }; -#define snd_device(n) list_entry(n, snd_device_t, list) - -/* various typedefs */ - -typedef struct snd_info_entry snd_info_entry_t; -typedef struct _snd_pcm snd_pcm_t; -typedef struct _snd_pcm_str snd_pcm_str_t; -typedef struct _snd_pcm_substream snd_pcm_substream_t; -typedef struct _snd_mixer snd_kmixer_t; -typedef struct _snd_rawmidi snd_rawmidi_t; -typedef struct _snd_ctl_file snd_ctl_file_t; -typedef struct _snd_kcontrol snd_kcontrol_t; -typedef struct _snd_timer snd_timer_t; -typedef struct _snd_timer_instance snd_timer_instance_t; -typedef struct _snd_hwdep snd_hwdep_t; -#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE) -typedef struct _snd_oss_mixer snd_mixer_oss_t; -#endif +#define snd_device(n) list_entry(n, struct snd_device, list) /* monitor files for graceful shutdown (hotplug) */ @@ -126,25 +92,26 @@ struct snd_monitor_file { struct snd_monitor_file *next; }; -struct snd_shutdown_f_ops; /* define it later */ +struct snd_shutdown_f_ops; /* define it later in init.c */ /* main structure for soundcard */ -struct _snd_card { - int number; /* number of soundcard (index to snd_cards) */ +struct snd_card { + int number; /* number of soundcard (index to + snd_cards) */ char id[16]; /* id string of this card */ char driver[16]; /* driver name */ char shortname[32]; /* short name of this soundcard */ char longname[80]; /* name of this soundcard */ char mixername[80]; /* mixer name */ - char components[80]; /* card components delimited with space */ - + char components[80]; /* card components delimited with + space */ struct module *module; /* top-level module */ void *private_data; /* private data for soundcard */ - void (*private_free) (snd_card_t *card); /* callback for freeing of private data */ - + void (*private_free) (struct snd_card *card); /* callback for freeing of + private data */ struct list_head devices; /* devices */ unsigned int last_numid; /* last used numeric ID */ @@ -155,12 +122,13 @@ struct _snd_card { struct list_head controls; /* all controls for this card */ struct list_head ctl_files; /* active control files */ - snd_info_entry_t *proc_root; /* root for soundcard specific files */ - snd_info_entry_t *proc_id; /* the card id */ + struct snd_info_entry *proc_root; /* root for soundcard specific files */ + struct snd_info_entry *proc_id; /* the card id */ struct proc_dir_entry *proc_root_link; /* number link to real id */ struct snd_monitor_file *files; /* all files associated to this card */ - struct snd_shutdown_f_ops *s_f_ops; /* file operations in the shutdown state */ + struct snd_shutdown_f_ops *s_f_ops; /* file operations in the shutdown + state */ spinlock_t files_lock; /* lock the files for this card */ int shutdown; /* this card is going down */ wait_queue_head_t shutdown_sleep; @@ -168,101 +136,81 @@ struct _snd_card { struct device *dev; #ifdef CONFIG_PM - int (*pm_suspend)(snd_card_t *card, pm_message_t state); - int (*pm_resume)(snd_card_t *card); - void *pm_private_data; unsigned int power_state; /* power state */ - struct semaphore power_lock; /* power lock */ + struct mutex power_lock; /* power lock */ wait_queue_head_t power_sleep; -#ifdef CONFIG_SND_GENERIC_PM - struct snd_generic_device *pm_dev; /* for ISA */ -#endif #endif #if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE) - snd_mixer_oss_t *mixer_oss; + struct snd_mixer_oss *mixer_oss; int mixer_oss_change_count; #endif }; #ifdef CONFIG_PM -static inline void snd_power_lock(snd_card_t *card) +static inline void snd_power_lock(struct snd_card *card) { - down(&card->power_lock); + mutex_lock(&card->power_lock); } -static inline void snd_power_unlock(snd_card_t *card) +static inline void snd_power_unlock(struct snd_card *card) { - up(&card->power_lock); + mutex_unlock(&card->power_lock); } -int snd_power_wait(snd_card_t *card, unsigned int power_state, struct file *file); - -static inline unsigned int snd_power_get_state(snd_card_t *card) +static inline unsigned int snd_power_get_state(struct snd_card *card) { return card->power_state; } -static inline void snd_power_change_state(snd_card_t *card, unsigned int state) +static inline void snd_power_change_state(struct snd_card *card, unsigned int state) { card->power_state = state; wake_up(&card->power_sleep); } -int snd_card_set_pm_callback(snd_card_t *card, - int (*suspend)(snd_card_t *, pm_message_t), - int (*resume)(snd_card_t *), - void *private_data); -int snd_card_set_generic_pm_callback(snd_card_t *card, - int (*suspend)(snd_card_t *, pm_message_t), - int (*resume)(snd_card_t *), - void *private_data); -#define snd_card_set_isa_pm_callback(card,suspend,resume,data) \ - snd_card_set_generic_pm_callback(card, suspend, resume, data) -struct pci_dev; -int snd_card_pci_suspend(struct pci_dev *dev, pm_message_t state); -int snd_card_pci_resume(struct pci_dev *dev); -#define SND_PCI_PM_CALLBACKS \ - .suspend = snd_card_pci_suspend, .resume = snd_card_pci_resume + +/* init.c */ +int snd_power_wait(struct snd_card *card, unsigned int power_state); #else /* ! CONFIG_PM */ #define snd_power_lock(card) do { (void)(card); } while (0) #define snd_power_unlock(card) do { (void)(card); } while (0) -static inline int snd_power_wait(snd_card_t *card, unsigned int state, struct file *file) { return 0; } +static inline int snd_power_wait(struct snd_card *card, unsigned int state) { return 0; } #define snd_power_get_state(card) SNDRV_CTL_POWER_D0 #define snd_power_change_state(card, state) do { (void)(card); } while (0) -#define snd_card_set_pm_callback(card,suspend,resume,data) -#define snd_card_set_generic_pm_callback(card,suspend,resume,data) -#define snd_card_set_isa_pm_callback(card,suspend,resume,data) -#define SND_PCI_PM_CALLBACKS #endif /* CONFIG_PM */ -/* device.c */ - -struct _snd_minor { - struct list_head list; /* list of all minors per card */ - int number; /* minor number */ +struct snd_minor { + int type; /* SNDRV_DEVICE_TYPE_XXX */ + int card; /* card number */ int device; /* device number */ - const char *comment; /* for /proc/asound/devices */ - struct file_operations *f_ops; /* file operations */ - char name[0]; /* device name (keep at the end of structure) */ + const struct file_operations *f_ops; /* file operations */ + void *private_data; /* private data for f_ops->open */ + char name[0]; /* device name (keep at the end of + structure) */ }; -typedef struct _snd_minor snd_minor_t; - /* sound.c */ +extern int snd_major; extern int snd_ecards_limit; void snd_request_card(int card); -int snd_register_device(int type, snd_card_t *card, int dev, snd_minor_t *reg, const char *name); -int snd_unregister_device(int type, snd_card_t *card, int dev); +int snd_register_device(int type, struct snd_card *card, int dev, + const struct file_operations *f_ops, void *private_data, + const char *name); +int snd_unregister_device(int type, struct snd_card *card, int dev); +void *snd_lookup_minor_data(unsigned int minor, int type); #ifdef CONFIG_SND_OSSEMUL -int snd_register_oss_device(int type, snd_card_t *card, int dev, snd_minor_t *reg, const char *name); -int snd_unregister_oss_device(int type, snd_card_t *card, int dev); +int snd_register_oss_device(int type, struct snd_card *card, int dev, + const struct file_operations *f_ops, void *private_data, + const char *name); +int snd_unregister_oss_device(int type, struct snd_card *card, int dev); +void *snd_lookup_oss_minor_data(unsigned int minor, int type); #endif int snd_minor_info_init(void); @@ -273,71 +221,39 @@ int snd_minor_info_done(void); #ifdef CONFIG_SND_OSSEMUL int snd_minor_info_oss_init(void); int snd_minor_info_oss_done(void); -int snd_oss_init_module(void); #else #define snd_minor_info_oss_init() /*NOP*/ #define snd_minor_info_oss_done() /*NOP*/ -#define snd_oss_init_module() 0 #endif /* memory.c */ -#ifdef CONFIG_SND_DEBUG_MEMORY -void snd_memory_init(void); -void snd_memory_done(void); -int snd_memory_info_init(void); -int snd_memory_info_done(void); -void *snd_hidden_kmalloc(size_t size, int flags); -void *snd_hidden_kcalloc(size_t n, size_t size, int flags); -void snd_hidden_kfree(const void *obj); -void *snd_hidden_vmalloc(unsigned long size); -void snd_hidden_vfree(void *obj); -#define kmalloc(size, flags) snd_hidden_kmalloc(size, flags) -#define kcalloc(n, size, flags) snd_hidden_kcalloc(n, size, flags) -#define kfree(obj) snd_hidden_kfree(obj) -#define vmalloc(size) snd_hidden_vmalloc(size) -#define vfree(obj) snd_hidden_vfree(obj) -#define kmalloc_nocheck(size, flags) snd_wrapper_kmalloc(size, flags) -#define vmalloc_nocheck(size) snd_wrapper_vmalloc(size) -#define kfree_nocheck(obj) snd_wrapper_kfree(obj) -#define vfree_nocheck(obj) snd_wrapper_vfree(obj) -#else -#define snd_memory_init() /*NOP*/ -#define snd_memory_done() /*NOP*/ -#define snd_memory_info_init() /*NOP*/ -#define snd_memory_info_done() /*NOP*/ -#define kmalloc_nocheck(size, flags) kmalloc(size, flags) -#define vmalloc_nocheck(size) vmalloc(size) -#define kfree_nocheck(obj) kfree(obj) -#define vfree_nocheck(obj) vfree(obj) -#endif -char *snd_kmalloc_strdup(const char *string, int flags); int copy_to_user_fromio(void __user *dst, const volatile void __iomem *src, size_t count); int copy_from_user_toio(volatile void __iomem *dst, const void __user *src, size_t count); /* init.c */ extern unsigned int snd_cards_lock; -extern snd_card_t *snd_cards[SNDRV_CARDS]; +extern struct snd_card *snd_cards[SNDRV_CARDS]; extern rwlock_t snd_card_rwlock; #if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE) #define SND_MIXER_OSS_NOTIFY_REGISTER 0 #define SND_MIXER_OSS_NOTIFY_DISCONNECT 1 #define SND_MIXER_OSS_NOTIFY_FREE 2 -extern int (*snd_mixer_oss_notify_callback)(snd_card_t *card, int cmd); +extern int (*snd_mixer_oss_notify_callback)(struct snd_card *card, int cmd); #endif -snd_card_t *snd_card_new(int idx, const char *id, +struct snd_card *snd_card_new(int idx, const char *id, struct module *module, int extra_size); -int snd_card_disconnect(snd_card_t *card); -int snd_card_free(snd_card_t *card); -int snd_card_free_in_thread(snd_card_t *card); -int snd_card_register(snd_card_t *card); +int snd_card_disconnect(struct snd_card *card); +int snd_card_free(struct snd_card *card); +int snd_card_free_in_thread(struct snd_card *card); +int snd_card_register(struct snd_card *card); int snd_card_info_init(void); int snd_card_info_done(void); -int snd_component_add(snd_card_t *card, const char *component); -int snd_card_file_add(snd_card_t *card, struct file *file); -int snd_card_file_remove(snd_card_t *card, struct file *file); +int snd_component_add(struct snd_card *card, const char *component); +int snd_card_file_add(struct snd_card *card, struct file *file); +int snd_card_file_remove(struct snd_card *card, struct file *file); #ifndef snd_card_set_dev #define snd_card_set_dev(card,devptr) ((card)->dev = (devptr)) @@ -345,26 +261,29 @@ int snd_card_file_remove(snd_card_t *card, struct file *file); /* device.c */ -int snd_device_new(snd_card_t *card, snd_device_type_t type, - void *device_data, snd_device_ops_t *ops); -int snd_device_register(snd_card_t *card, void *device_data); -int snd_device_register_all(snd_card_t *card); -int snd_device_disconnect(snd_card_t *card, void *device_data); -int snd_device_disconnect_all(snd_card_t *card); -int snd_device_free(snd_card_t *card, void *device_data); -int snd_device_free_all(snd_card_t *card, snd_device_cmd_t cmd); +int snd_device_new(struct snd_card *card, snd_device_type_t type, + void *device_data, struct snd_device_ops *ops); +int snd_device_register(struct snd_card *card, void *device_data); +int snd_device_register_all(struct snd_card *card); +int snd_device_disconnect(struct snd_card *card, void *device_data); +int snd_device_disconnect_all(struct snd_card *card); +int snd_device_free(struct snd_card *card, void *device_data); +int snd_device_free_all(struct snd_card *card, snd_device_cmd_t cmd); /* isadma.c */ +#ifdef CONFIG_ISA_DMA_API #define DMA_MODE_NO_ENABLE 0x0100 void snd_dma_program(unsigned long dma, unsigned long addr, unsigned int size, unsigned short mode); void snd_dma_disable(unsigned long dma); unsigned int snd_dma_pointer(unsigned long dma, unsigned int size); +#endif /* misc.c */ +struct resource; +void release_and_free_resource(struct resource *res); -int snd_task_name(struct task_struct *task, char *name, size_t size); #ifdef CONFIG_SND_VERBOSE_PRINTK void snd_verbose_printk(const char *file, int line, const char *format, ...) __attribute__ ((format (printf, 3, 4))); @@ -398,7 +317,7 @@ void snd_verbose_printd(const char *file, int line, const char *format, ...) #ifdef CONFIG_SND_VERBOSE_PRINTK /** * snd_printd - debug printk - * @format: format string + * @fmt: format string * * Compiled only when Works like snd_printk() for debugging purpose. * Ignored when CONFIG_SND_DEBUG is not set. @@ -410,43 +329,32 @@ void snd_verbose_printd(const char *file, int line, const char *format, ...) printk(fmt ,##args) #endif /** - * snd_assert - run-time assersion macro + * snd_assert - run-time assertion macro * @expr: expression - * @args...: the action * * This macro checks the expression in run-time and invokes the commands * given in the rest arguments if the assertion is failed. * When CONFIG_SND_DEBUG is not set, the expression is executed but * not checked. */ -#define snd_assert(expr, args...) do {\ - if (unlikely(!(expr))) { \ - snd_printk(KERN_ERR "BUG? (%s) (called from %p)\n", __ASTRING__(expr), __builtin_return_address(0));\ - args;\ - }\ +#define snd_assert(expr, args...) do { \ + if (unlikely(!(expr))) { \ + snd_printk(KERN_ERR "BUG? (%s)\n", __ASTRING__(expr)); \ + dump_stack(); \ + args; \ + } \ } while (0) -/** - * snd_runtime_check - run-time assersion macro - * @expr: expression - * @args...: the action - * - * This macro checks the expression in run-time and invokes the commands - * given in the rest arguments if the assertion is failed. - * Unlike snd_assert(), the action commands are executed even if - * CONFIG_SND_DEBUG is not set but without any error messages. - */ -#define snd_runtime_check(expr, args...) do {\ - if (unlikely(!(expr))) { \ - snd_printk(KERN_ERR "ERROR (%s) (called from %p)\n", __ASTRING__(expr), __builtin_return_address(0));\ - args;\ - }\ + +#define snd_BUG() do { \ + snd_printk(KERN_ERR "BUG?\n"); \ + dump_stack(); \ } while (0) #else /* !CONFIG_SND_DEBUG */ #define snd_printd(fmt, args...) /* nothing */ #define snd_assert(expr, args...) (void)(expr) -#define snd_runtime_check(expr, args...) do { if (!(expr)) { args; } } while (0) +#define snd_BUG() /* nothing */ #endif /* CONFIG_SND_DEBUG */ @@ -463,30 +371,6 @@ void snd_verbose_printd(const char *file, int line, const char *format, ...) #define snd_printdd(format, args...) /* nothing */ #endif -#define snd_BUG() snd_assert(0, ) - - -static inline void snd_timestamp_now(struct timespec *tstamp, int timespec) -{ - struct timeval val; - /* FIXME: use a linear time source */ - do_gettimeofday(&val); - tstamp->tv_sec = val.tv_sec; - tstamp->tv_nsec = val.tv_usec; - if (timespec) - tstamp->tv_nsec *= 1000L; -} - -static inline void snd_timestamp_zero(struct timespec *tstamp) -{ - tstamp->tv_sec = 0; - tstamp->tv_nsec = 0; -} - -static inline int snd_timestamp_null(struct timespec *tstamp) -{ - return tstamp->tv_sec == 0 && tstamp->tv_nsec == 0; -} #define SNDRV_OSS_VERSION ((3<<16)|(8<<8)|(1<<4)|(0)) /* 3.8.1a */ @@ -499,4 +383,6 @@ static inline int snd_timestamp_null(struct timespec *tstamp) #endif #endif +#include "typedefs.h" + #endif /* __SOUND_CORE_H */