diff options
Diffstat (limited to 'include/sound/core.h')
-rw-r--r-- | include/sound/core.h | 223 |
1 files changed, 83 insertions, 140 deletions
diff --git a/include/sound/core.h b/include/sound/core.h index 2be65ad2fd8..90ac6132ea3 100644 --- a/include/sound/core.h +++ b/include/sound/core.h @@ -28,13 +28,6 @@ #include <linux/workqueue.h> /* struct workqueue_struct */ #include <linux/pm.h> /* pm_message_t */ -/* Typedef's */ -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; @@ -47,76 +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) */ @@ -129,7 +96,7 @@ struct snd_shutdown_f_ops; /* define it later in init.c */ /* main structure for soundcard */ -struct _snd_card { +struct snd_card { int number; /* number of soundcard (index to snd_cards) */ @@ -143,7 +110,7 @@ struct _snd_card { struct module *module; /* top-level module */ void *private_data; /* private data for soundcard */ - void (*private_free) (snd_card_t *card); /* callback for freeing of + void (*private_free) (struct snd_card *card); /* callback for freeing of private data */ struct list_head devices; /* devices */ @@ -155,8 +122,8 @@ 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 */ @@ -167,92 +134,64 @@ struct _snd_card { wait_queue_head_t shutdown_sleep; struct work_struct free_workq; /* for free in workqueue */ struct device *dev; -#ifdef CONFIG_SND_GENERIC_DRIVER - struct snd_generic_device *generic_dev; -#endif #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 */ wait_queue_head_t power_sleep; #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); } -static inline void snd_power_unlock(snd_card_t *card) +static inline void snd_power_unlock(struct snd_card *card) { up(&card->power_lock); } -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); } /* init.c */ -int snd_power_wait(snd_card_t *card, unsigned int power_state, struct file *file); - -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 +int snd_power_wait(struct snd_card *card, unsigned int power_state, struct file *file); #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, struct file *file) { 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 */ -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 */ + 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; @@ -260,12 +199,18 @@ 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, + 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, + 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); @@ -276,11 +221,9 @@ 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 */ @@ -291,43 +234,41 @@ int copy_from_user_toio(volatile void __iomem *dst, const void __user *src, size /* 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)) #endif -/* register a generic device (for ISA, etc) */ -int snd_card_set_generic_dev(snd_card_t *card); /* 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 */ @@ -443,4 +384,6 @@ void snd_verbose_printd(const char *file, int line, const char *format, ...) #endif #endif +#include "typedefs.h" + #endif /* __SOUND_CORE_H */ |