/*
* 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
*
*/
+#include <linux/module.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/device.h>
+#include <linux/stringify.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 32
+#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
/* device allocation stuff */
#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_JACK ((__force snd_device_type_t) 0x1009)
+#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);
+};
+
+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) */
struct snd_monitor_file {
struct file *file;
- struct snd_monitor_file *next;
+ const struct file_operations *disconnected_f_op;
+ struct list_head shutdown_list; /* still need to shutdown */
+ struct list_head list; /* link of monitor files */
};
-struct snd_shutdown_f_ops; /* define it later */
-
/* 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[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 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 */
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 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 */
+ int free_on_last_close; /* free in context of file_release */
wait_queue_head_t shutdown_sleep;
- struct work_struct free_workq; /* for free in workqueue */
- struct device *dev;
+ struct device *dev; /* device assigned to this card */
+#ifndef CONFIG_SYSFS_DEPRECATED
+ struct device *card_dev; /* cardX object for sysfs */
+#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 */
+ 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 */
+ struct device *dev; /* device for sysfs */
};
-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)
+{
+#ifdef CONFIG_SYSFS_DEPRECATED
+ return card ? card->dev : NULL;
+#else
+ return card ? card->card_dev : NULL;
+#endif
+}
/* 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.
+ *
+ * Returns 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);
+int snd_add_device_sysfs_file(int type, struct snd_card *card, int dev,
+ struct device_attribute *attr);
#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);
#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, 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 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_create(int idx, const char *id,
+ struct module *module, int extra_size,
+ struct snd_card **card_ret);
+
+static inline __deprecated
+struct snd_card *snd_card_new(int idx, const char *id,
+ struct module *module, int extra_size)
+{
+ struct snd_card *card;
+ if (snd_card_create(idx, id, module, extra_size, &card) < 0)
+ return NULL;
+ return card;
+}
+
+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);
+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))
+#define snd_card_set_dev(card, devptr) ((card)->dev = (devptr))
#endif
/* 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)));
* 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...) \
#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...) \
#define snd_printd(fmt, args...) \
printk(fmt ,##args)
#endif
+
/**
- * snd_assert - run-time assersion 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_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_BUG() WARN(1, "BUG?\n")
+
/**
- * snd_runtime_check - run-time assersion macro
- * @expr: expression
- * @args...: the action
+ * snd_BUG_ON - debugging check macro
+ * @cond: condition to evaluate
+ *
+ * When CONFIG_SND_DEBUG is set, this macro evaluates the given condition,
+ * and call WARN() and returns the value if it's non-zero.
+ *
+ * When CONFIG_SND_DEBUG is not set, this just returns zero, and the given
+ * condition is ignored.
*
- * 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.
+ * NOTE: the argument won't be evaluated at all when CONFIG_SND_DEBUG=n.
+ * Thus, don't put any statement that influences on the code behavior,
+ * such as pre/post increment, to the argument of this macro.
+ * If you want to evaluate and give a warning, use standard WARN_ON().
*/
-#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((cond), "BUG? (%s)\n", __stringify(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)
+#define snd_printd(fmt, args...) do { } while (0)
+#define snd_BUG() do { } while (0)
+static inline int __snd_bug_on(int cond)
+{
+ return 0;
+}
+#define snd_BUG_ON(cond) __snd_bug_on(0 && (cond)) /* always 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)
#else
#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 */
#endif
#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)}
+#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)}
+#endif
+
+const struct snd_pci_quirk *
+snd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list);
+
+
#endif /* __SOUND_CORE_H */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff