diff options
Diffstat (limited to 'include/sound/core.h')
| -rw-r--r-- | include/sound/core.h | 554 |
1 files changed, 265 insertions, 289 deletions
diff --git a/include/sound/core.h b/include/sound/core.h index 6d971a4c4ca..1df3f2fe535 100644 --- a/include/sound/core.h +++ b/include/sound/core.h @@ -3,7 +3,7 @@ /* * Main header file for the ALSA driver - * Copyright (c) 1994-2001 by Jaroslav Kysela <perex@suse.cz> + * Copyright (c) 1994-2001 by Jaroslav Kysela <perex@perex.cz> * * * This program is free software; you can redistribute it and/or modify @@ -22,115 +22,76 @@ * */ +#include <linux/device.h> #include <linux/sched.h> /* wake_up() */ -#include <asm/semaphore.h> /* struct semaphore */ +#include <linux/mutex.h> /* struct mutex */ #include <linux/rwsem.h> /* struct rw_semaphore */ -#include <linux/workqueue.h> /* struct workqueue_struct */ #include <linux/pm.h> /* pm_message_t */ +#include <linux/stringify.h> +#include <linux/printk.h> -/* 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; +/* number of supported soundcards */ +#ifdef CONFIG_SND_DYNAMIC_MINORS +#define SNDRV_CARDS CONFIG_SND_MAX_CARDS +#else +#define SNDRV_CARDS 8 /* don't change - minor numbers */ +#endif + +#define CONFIG_SND_MAJOR 116 /* standard configuration */ /* forward declarations */ -#ifdef CONFIG_PCI struct pci_dev; -#endif -#ifdef CONFIG_SBUS -struct sbus_dev; -#endif +struct module; +struct completion; /* device allocation stuff */ -#define SNDRV_DEV_TYPE_RANGE_SIZE 0x1000 - -typedef enum { - SNDRV_DEV_TOPLEVEL = (0*SNDRV_DEV_TYPE_RANGE_SIZE), +/* type of the object used in snd_device_*() + * this also defines the calling order + */ +enum snd_device_type { + SNDRV_DEV_LOWLEVEL, SNDRV_DEV_CONTROL, - SNDRV_DEV_LOWLEVEL_PRE, - SNDRV_DEV_LOWLEVEL_NORMAL = (1*SNDRV_DEV_TYPE_RANGE_SIZE), + SNDRV_DEV_INFO, + SNDRV_DEV_BUS, + SNDRV_DEV_CODEC, SNDRV_DEV_PCM, + SNDRV_DEV_COMPRESS, 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; + SNDRV_DEV_JACK, +}; -typedef enum { +enum snd_device_state { 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 { - struct list_head list; /* list of registered devices */ - snd_card_t *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 */ + SNDRV_DEV_DISCONNECTED, }; -#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 +struct snd_device; -/* monitor files for graceful shutdown (hotplug) */ +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); +}; -struct snd_monitor_file { - struct file *file; - struct snd_monitor_file *next; +struct snd_device { + struct list_head list; /* list of registered devices */ + struct snd_card *card; /* card which holds this device */ + enum snd_device_state state; /* state of the device */ + enum snd_device_type type; /* device type */ + void *device_data; /* device structure */ + struct snd_device_ops *ops; /* operations */ }; -struct snd_shutdown_f_ops; /* define it later in init.c */ +#define snd_device(n) list_entry(n, struct snd_device, list) /* main structure for soundcard */ -struct _snd_card { +struct snd_card { int number; /* number of soundcard (index to snd_cards) */ @@ -139,12 +100,12 @@ struct _snd_card { 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 + char components[128]; /* 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 + void (*private_free) (struct snd_card *card); /* callback for freeing of private data */ struct list_head devices; /* devices */ @@ -155,117 +116,139 @@ struct _snd_card { int user_ctl_count; /* count of all user controls */ struct list_head controls; /* all controls for this card */ struct list_head ctl_files; /* active control files */ + struct mutex user_ctl_lock; /* protects user controls against + concurrent access */ - 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 list_head files_list; /* all files associated to this card */ 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; - struct work_struct free_workq; /* for free in workqueue */ - struct device *dev; -#ifdef CONFIG_SND_GENERIC_DRIVER - struct snd_generic_device *generic_dev; -#endif + struct completion *release_completion; + struct device *dev; /* device assigned to this card */ + struct device card_dev; /* cardX object for sysfs */ + bool registered; /* card_dev is registered? */ #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; #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 }; +#define dev_to_snd_card(p) container_of(p, struct snd_card, card_dev) + #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); } -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); #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; } -#define snd_power_get_state(card) SNDRV_CTL_POWER_D0 +static inline int snd_power_wait(struct snd_card *card, unsigned int state) { return 0; } +#define snd_power_get_state(card) ({ (void)(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 */ - 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 */ + struct device *dev; /* device for sysfs */ + struct snd_card *card_ptr; /* assigned card instance */ }; -typedef struct _snd_minor snd_minor_t; +/* return a device pointer linked to each sound device as a parent */ +static inline struct device *snd_card_get_device_link(struct snd_card *card) +{ + return card ? &card->card_dev : NULL; +} /* sound.c */ +extern int snd_major; extern int snd_ecards_limit; +extern struct class *sound_class; 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_for_dev(int type, struct snd_card *card, + int dev, + const struct file_operations *f_ops, + void *private_data, + const char *name, + struct device *device); + +/** + * snd_register_device - Register the ALSA device file for the card + * @type: the device type, SNDRV_DEVICE_TYPE_XXX + * @card: the card instance + * @dev: the device index + * @f_ops: the file operations + * @private_data: user pointer for f_ops->open() + * @name: the device file name + * + * Registers an ALSA device file for the given card. + * The operators have to be set in reg parameter. + * + * This function uses the card's device pointer to link to the + * correct &struct device. + * + * Return: Zero if successful, or a negative error code on failure. + */ +static inline int snd_register_device(int type, struct snd_card *card, int dev, + const struct file_operations *f_ops, + void *private_data, + const char *name) +{ + return snd_register_device_for_dev(type, card, dev, f_ops, + private_data, name, + snd_card_get_device_link(card)); +} + +int snd_unregister_device(int type, struct snd_card *card, int dev); +void *snd_lookup_minor_data(unsigned int minor, int type); +struct device *snd_get_device(int type, struct snd_card *card, int dev); #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); +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); @@ -276,91 +259,54 @@ 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 +static inline int snd_minor_info_oss_init(void) { return 0; } +static inline int snd_minor_info_oss_done(void) { return 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, gfp_t flags); -void *snd_hidden_kzalloc(size_t size, gfp_t flags); -void *snd_hidden_kcalloc(size_t n, size_t size, gfp_t flags); -void snd_hidden_kfree(const void *obj); -void *snd_hidden_vmalloc(unsigned long size); -void snd_hidden_vfree(void *obj); -char *snd_hidden_kstrdup(const char *s, gfp_t flags); -#define kmalloc(size, flags) snd_hidden_kmalloc(size, flags) -#define kzalloc(size, flags) snd_hidden_kzalloc(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) -#define kstrdup(s, flags) snd_hidden_kstrdup(s, flags) -#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 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 rwlock_t snd_card_rwlock; +extern struct snd_card *snd_cards[SNDRV_CARDS]; +int snd_card_locked(int card); #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 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_new(struct device *parent, int idx, const char *xid, + struct module *module, int extra_size, + struct snd_card **card_ret); + +int snd_card_disconnect(struct snd_card *card); +int snd_card_free(struct snd_card *card); +int snd_card_free_when_closed(struct snd_card *card); +void snd_card_set_id(struct snd_card *card, const char *id); +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); +#define snd_card_unref(card) put_device(&(card)->card_dev) -#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); +#define snd_card_set_dev(card, devptr) ((card)->dev = (devptr)) /* 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, enum snd_device_type 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_all(struct snd_card *card); +void snd_device_free(struct snd_card *card, void *device_data); +void snd_device_free_all(struct snd_card *card); /* isadma.c */ @@ -373,140 +319,170 @@ unsigned int snd_dma_pointer(unsigned long dma, unsigned int size); #endif /* misc.c */ - -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))); -#endif -#if defined(CONFIG_SND_DEBUG) && defined(CONFIG_SND_VERBOSE_PRINTK) -void snd_verbose_printd(const char *file, int line, const char *format, ...) - __attribute__ ((format (printf, 3, 4))); -#endif +struct resource; +void release_and_free_resource(struct resource *res); /* --- */ -#ifdef CONFIG_SND_VERBOSE_PRINTK +/* sound printk debug levels */ +enum { + SND_PR_ALWAYS, + SND_PR_DEBUG, + SND_PR_VERBOSE, +}; + +#if defined(CONFIG_SND_DEBUG) || defined(CONFIG_SND_VERBOSE_PRINTK) +__printf(4, 5) +void __snd_printk(unsigned int level, const char *file, int line, + const char *format, ...); +#else +#define __snd_printk(level, file, line, format, args...) \ + printk(format, ##args) +#endif + /** * snd_printk - printk wrapper * @fmt: format string * - * Works like print() but prints the file and the line of the caller + * Works like printk() but prints the file and the line of the caller * when configured with CONFIG_SND_VERBOSE_PRINTK. */ #define snd_printk(fmt, args...) \ - snd_verbose_printk(__FILE__, __LINE__, fmt ,##args) -#else -#define snd_printk(fmt, args...) \ - printk(fmt ,##args) -#endif + __snd_printk(0, __FILE__, __LINE__, fmt, ##args) #ifdef CONFIG_SND_DEBUG - -#define __ASTRING__(x) #x - -#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. + * Works like snd_printk() for debugging purposes. * Ignored when CONFIG_SND_DEBUG is not set. */ #define snd_printd(fmt, args...) \ - snd_verbose_printd(__FILE__, __LINE__, fmt ,##args) -#else -#define snd_printd(fmt, args...) \ - printk(fmt ,##args) -#endif + __snd_printk(1, __FILE__, __LINE__, fmt, ##args) +#define _snd_printd(level, fmt, args...) \ + __snd_printk(level, __FILE__, __LINE__, fmt, ##args) + /** - * snd_assert - run-time assertion macro - * @expr: expression - * @args...: the action + * snd_BUG - give a BUG warning message and stack trace * - * 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. + * Calls WARN() if CONFIG_SND_DEBUG is set. + * Ignored when CONFIG_SND_DEBUG is not set. + */ +#define snd_BUG() WARN(1, "BUG?\n") + +/** + * Suppress high rates of output when CONFIG_SND_DEBUG is enabled. */ -#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;\ - }\ -} while (0) +#define snd_printd_ratelimit() printk_ratelimit() + /** - * snd_runtime_check - run-time assertion macro - * @expr: expression - * @args...: the action + * snd_BUG_ON - debugging check macro + * @cond: condition to evaluate * - * 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. + * Has the same behavior as WARN_ON when CONFIG_SND_DEBUG is set, + * otherwise just evaluates the conditional and returns the value. */ -#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;\ - }\ -} while (0) +#define snd_BUG_ON(cond) WARN_ON((cond)) #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) +__printf(1, 2) +static inline void snd_printd(const char *format, ...) {} +__printf(2, 3) +static inline void _snd_printd(int level, const char *format, ...) {} + +#define snd_BUG() do { } while (0) + +#define snd_BUG_ON(condition) ({ \ + int __ret_warn_on = !!(condition); \ + unlikely(__ret_warn_on); \ +}) + +static inline bool snd_printd_ratelimit(void) { return false; } #endif /* CONFIG_SND_DEBUG */ -#ifdef CONFIG_SND_DEBUG_DETECT +#ifdef CONFIG_SND_DEBUG_VERBOSE /** * snd_printdd - debug printk * @format: format string * - * Compiled only when Works like snd_printk() for debugging purpose. - * Ignored when CONFIG_SND_DEBUG_DETECT is not set. + * Works like snd_printk() for debugging purposes. + * Ignored when CONFIG_SND_DEBUG_VERBOSE is not set. */ -#define snd_printdd(format, args...) snd_printk(format, ##args) +#define snd_printdd(format, args...) \ + __snd_printk(2, __FILE__, __LINE__, format, ##args) #else -#define snd_printdd(format, args...) /* nothing */ +__printf(1, 2) +static inline void snd_printdd(const char *format, ...) {} #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 */ /* for easier backward-porting */ #if defined(CONFIG_GAMEPORT) || defined(CONFIG_GAMEPORT_MODULE) -#ifndef gameport_set_dev_parent #define gameport_set_dev_parent(gp,xdev) ((gp)->dev.parent = (xdev)) #define gameport_set_port_data(gp,r) ((gp)->port_data = (r)) #define gameport_get_port_data(gp) (gp)->port_data #endif + +/* PCI quirk list helper */ +struct snd_pci_quirk { + unsigned short subvendor; /* PCI subvendor ID */ + unsigned short subdevice; /* PCI subdevice ID */ + unsigned short subdevice_mask; /* bitmask to match */ + int value; /* value */ +#ifdef CONFIG_SND_DEBUG_VERBOSE + const char *name; /* name of the device (optional) */ +#endif +}; + +#define _SND_PCI_QUIRK_ID_MASK(vend, mask, dev) \ + .subvendor = (vend), .subdevice = (dev), .subdevice_mask = (mask) +#define _SND_PCI_QUIRK_ID(vend, dev) \ + _SND_PCI_QUIRK_ID_MASK(vend, 0xffff, dev) +#define SND_PCI_QUIRK_ID(vend,dev) {_SND_PCI_QUIRK_ID(vend, dev)} +#ifdef CONFIG_SND_DEBUG_VERBOSE +#define SND_PCI_QUIRK(vend,dev,xname,val) \ + {_SND_PCI_QUIRK_ID(vend, dev), .value = (val), .name = (xname)} +#define SND_PCI_QUIRK_VENDOR(vend, xname, val) \ + {_SND_PCI_QUIRK_ID_MASK(vend, 0, 0), .value = (val), .name = (xname)} +#define SND_PCI_QUIRK_MASK(vend, mask, dev, xname, val) \ + {_SND_PCI_QUIRK_ID_MASK(vend, mask, dev), \ + .value = (val), .name = (xname)} +#define snd_pci_quirk_name(q) ((q)->name) +#else +#define SND_PCI_QUIRK(vend,dev,xname,val) \ + {_SND_PCI_QUIRK_ID(vend, dev), .value = (val)} +#define SND_PCI_QUIRK_MASK(vend, mask, dev, xname, val) \ + {_SND_PCI_QUIRK_ID_MASK(vend, mask, dev), .value = (val)} +#define SND_PCI_QUIRK_VENDOR(vend, xname, val) \ + {_SND_PCI_QUIRK_ID_MASK(vend, 0, 0), .value = (val)} +#define snd_pci_quirk_name(q) "" +#endif + +#ifdef CONFIG_PCI +const struct snd_pci_quirk * +snd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list); + +const struct snd_pci_quirk * +snd_pci_quirk_lookup_id(u16 vendor, u16 device, + const struct snd_pci_quirk *list); +#else +static inline const struct snd_pci_quirk * +snd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list) +{ + return NULL; +} + +static inline const struct snd_pci_quirk * +snd_pci_quirk_lookup_id(u16 vendor, u16 device, + const struct snd_pci_quirk *list) +{ + return NULL; +} #endif #endif /* __SOUND_CORE_H */ |