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-rw-r--r--include/sound/core.h223
1 files changed, 83 insertions, 140 deletions
diff --git a/include/sound/core.h b/include/sound/core.h
index 2be65ad2fd83..90ac6132ea3b 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 */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.