core.h revision 5ef03460a6ffc1d3ee6b6f2abc6765d3e224cf89
11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef __SOUND_CORE_H 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define __SOUND_CORE_H 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Main header file for the ALSA driver 6c1017a4cdb68ae5368fbc9ee42c77f1f5dca8916Jaroslav Kysela * Copyright (c) 1994-2001 by Jaroslav Kysela <perex@perex.cz> 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is free software; you can redistribute it and/or modify 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * it under the terms of the GNU General Public License as published by 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the Free Software Foundation; either version 2 of the License, or 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * (at your option) any later version. 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is distributed in the hope that it will be useful, 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * but WITHOUT ANY WARRANTY; without even the implied warranty of 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * GNU General Public License for more details. 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * You should have received a copy of the GNU General Public License 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * along with this program; if not, write to the Free Software 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 259004acc70e8c49c50c4c7b652f906f1e0ed5709dTakashi Iwai#include <linux/module.h> 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/sched.h> /* wake_up() */ 271a60d4c5a0c4028559585a74e48593b16e1ca9b2Ingo Molnar#include <linux/mutex.h> /* struct mutex */ 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/rwsem.h> /* struct rw_semaphore */ 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/pm.h> /* pm_message_t */ 309d19f48cfe2570562c2c6226780a7ca627b0f1f1Takashi Iwai#include <linux/device.h> 315ef03460a6ffc1d3ee6b6f2abc6765d3e224cf89Takashi Iwai#include <linux/stringify.h> 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 339004acc70e8c49c50c4c7b652f906f1e0ed5709dTakashi Iwai/* number of supported soundcards */ 349004acc70e8c49c50c4c7b652f906f1e0ed5709dTakashi Iwai#ifdef CONFIG_SND_DYNAMIC_MINORS 359004acc70e8c49c50c4c7b652f906f1e0ed5709dTakashi Iwai#define SNDRV_CARDS 32 369004acc70e8c49c50c4c7b652f906f1e0ed5709dTakashi Iwai#else 379004acc70e8c49c50c4c7b652f906f1e0ed5709dTakashi Iwai#define SNDRV_CARDS 8 /* don't change - minor numbers */ 389004acc70e8c49c50c4c7b652f906f1e0ed5709dTakashi Iwai#endif 399004acc70e8c49c50c4c7b652f906f1e0ed5709dTakashi Iwai 409004acc70e8c49c50c4c7b652f906f1e0ed5709dTakashi Iwai#define CONFIG_SND_MAJOR 116 /* standard configuration */ 419004acc70e8c49c50c4c7b652f906f1e0ed5709dTakashi Iwai 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* forward declarations */ 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_PCI 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct pci_dev; 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_SBUS 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct sbus_dev; 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* device allocation stuff */ 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SNDRV_DEV_TYPE_RANGE_SIZE 0x1000 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 54512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaitypedef int __bitwise snd_device_type_t; 55512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_TOPLEVEL ((__force snd_device_type_t) 0) 56512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_CONTROL ((__force snd_device_type_t) 1) 57512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_LOWLEVEL_PRE ((__force snd_device_type_t) 2) 58512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_LOWLEVEL_NORMAL ((__force snd_device_type_t) 0x1000) 59512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_PCM ((__force snd_device_type_t) 0x1001) 60512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_RAWMIDI ((__force snd_device_type_t) 0x1002) 61512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_TIMER ((__force snd_device_type_t) 0x1003) 62512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_SEQUENCER ((__force snd_device_type_t) 0x1004) 63512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_HWDEP ((__force snd_device_type_t) 0x1005) 64512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_INFO ((__force snd_device_type_t) 0x1006) 65512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_BUS ((__force snd_device_type_t) 0x1007) 66512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_CODEC ((__force snd_device_type_t) 0x1008) 67e76d8ceaaff9d7fc1ba2b1963a9f34151832223bMark Brown#define SNDRV_DEV_JACK ((__force snd_device_type_t) 0x1009) 68512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_LOWLEVEL ((__force snd_device_type_t) 0x2000) 69512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai 70512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaitypedef int __bitwise snd_device_state_t; 71512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_BUILD ((__force snd_device_state_t) 0) 72512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_REGISTERED ((__force snd_device_state_t) 1) 73512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_DISCONNECTED ((__force snd_device_state_t) 2) 74512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai 75512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaitypedef int __bitwise snd_device_cmd_t; 76512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_CMD_PRE ((__force snd_device_cmd_t) 0) 77512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_CMD_NORMAL ((__force snd_device_cmd_t) 1) 78512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_CMD_POST ((__force snd_device_cmd_t) 2) 79512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai 80512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistruct snd_device; 81512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai 82512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistruct snd_device_ops { 83512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai int (*dev_free)(struct snd_device *dev); 84512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai int (*dev_register)(struct snd_device *dev); 85512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai int (*dev_disconnect)(struct snd_device *dev); 86512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai}; 87512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai 88512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistruct snd_device { 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct list_head list; /* list of registered devices */ 90512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai struct snd_card *card; /* card which holds this device */ 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_device_state_t state; /* state of the device */ 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_device_type_t type; /* device type */ 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *device_data; /* device structure */ 94512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai struct snd_device_ops *ops; /* operations */ 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 97512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define snd_device(n) list_entry(n, struct snd_device, list) 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* monitor files for graceful shutdown (hotplug) */ 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct snd_monitor_file { 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct file *file; 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct snd_monitor_file *next; 104a9edfc60227a1dc5c741666ff252a6055b73b184Karsten Wiese const struct file_operations *disconnected_f_op; 105a9edfc60227a1dc5c741666ff252a6055b73b184Karsten Wiese struct list_head shutdown_list; 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* main structure for soundcard */ 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 110512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistruct snd_card { 111d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar int number; /* number of soundcard (index to 112d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar snd_cards) */ 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char id[16]; /* id string of this card */ 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char driver[16]; /* driver name */ 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char shortname[32]; /* short name of this soundcard */ 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char longname[80]; /* name of this soundcard */ 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char mixername[80]; /* mixer name */ 119d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar char components[80]; /* card components delimited with 120d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar space */ 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct module *module; /* top-level module */ 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *private_data; /* private data for soundcard */ 124512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai void (*private_free) (struct snd_card *card); /* callback for freeing of 125d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar private data */ 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct list_head devices; /* devices */ 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int last_numid; /* last used numeric ID */ 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct rw_semaphore controls_rwsem; /* controls list lock */ 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rwlock_t ctl_files_rwlock; /* ctl_files list lock */ 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int controls_count; /* count of all controls */ 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int user_ctl_count; /* count of all user controls */ 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct list_head controls; /* all controls for this card */ 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct list_head ctl_files; /* active control files */ 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 136512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai struct snd_info_entry *proc_root; /* root for soundcard specific files */ 137512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai struct snd_info_entry *proc_id; /* the card id */ 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct proc_dir_entry *proc_root_link; /* number link to real id */ 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct snd_monitor_file *files; /* all files associated to this card */ 141d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar struct snd_shutdown_f_ops *s_f_ops; /* file operations in the shutdown 142d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar state */ 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spinlock_t files_lock; /* lock the files for this card */ 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int shutdown; /* this card is going down */ 145c461482c8072bb073e6146db320d3da85cdc89adTakashi Iwai int free_on_last_close; /* free in context of file_release */ 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wait_queue_head_t shutdown_sleep; 1477d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai struct device *dev; /* device assigned to this card */ 1487d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai#ifndef CONFIG_SYSFS_DEPRECATED 1497d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai struct device *card_dev; /* cardX object for sysfs */ 1507d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai#endif 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_PM 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int power_state; /* power state */ 1541a60d4c5a0c4028559585a74e48593b16e1ca9b2Ingo Molnar struct mutex power_lock; /* power lock */ 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wait_queue_head_t power_sleep; 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE) 159512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai struct snd_mixer_oss *mixer_oss; 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int mixer_oss_change_count; 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_PM 165512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistatic inline void snd_power_lock(struct snd_card *card) 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1671a60d4c5a0c4028559585a74e48593b16e1ca9b2Ingo Molnar mutex_lock(&card->power_lock); 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 170512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistatic inline void snd_power_unlock(struct snd_card *card) 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1721a60d4c5a0c4028559585a74e48593b16e1ca9b2Ingo Molnar mutex_unlock(&card->power_lock); 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 175512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistatic inline unsigned int snd_power_get_state(struct snd_card *card) 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return card->power_state; 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 180512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistatic inline void snd_power_change_state(struct snd_card *card, unsigned int state) 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->power_state = state; 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wake_up(&card->power_sleep); 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 185d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar 186d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar/* init.c */ 187cbac4b0cb62d01cb0aaec7778410b8856f01186bTakashi Iwaiint snd_power_wait(struct snd_card *card, unsigned int power_state); 188d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else /* ! CONFIG_PM */ 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_power_lock(card) do { (void)(card); } while (0) 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_power_unlock(card) do { (void)(card); } while (0) 1936fdb94bd95dc7a2effcbffa7a1d9e792cade57b6Linus Torvaldsstatic inline int snd_power_wait(struct snd_card *card, unsigned int state) { return 0; } 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_power_get_state(card) SNDRV_CTL_POWER_D0 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_power_change_state(card, state) do { (void)(card); } while (0) 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* CONFIG_PM */ 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 199512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistruct snd_minor { 2002af677fc884fc6dc79e65c99050ea607ac8bab9bClemens Ladisch int type; /* SNDRV_DEVICE_TYPE_XXX */ 2016983b7240cd229787c3ee00e663ea94ea649d96aClemens Ladisch int card; /* card number */ 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int device; /* device number */ 20399ac48f54a91d02140c497edc31dc57d4bc5c85dArjan van de Ven const struct file_operations *f_ops; /* file operations */ 204f87135f56cb266e031f5ec081dfbde7e43f55e80Clemens Ladisch void *private_data; /* private data for f_ops->open */ 205d80f19fab89cba8a6d16193154c8ff3edab00942Greg Kroah-Hartman struct device *dev; /* device for sysfs */ 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2087d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai/* return a device pointer linked to each sound device as a parent */ 2097d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwaistatic inline struct device *snd_card_get_device_link(struct snd_card *card) 2107d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai{ 2117d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai#ifdef CONFIG_SYSFS_DEPRECATED 2127d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai return card ? card->dev : NULL; 2137d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai#else 2147d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai return card ? card->card_dev : NULL; 2157d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai#endif 2167d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai} 2177d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* sound.c */ 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 220f1902860161ff212c515e7ea629e880fec856a37Clemens Ladischextern int snd_major; 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern int snd_ecards_limit; 222d80f19fab89cba8a6d16193154c8ff3edab00942Greg Kroah-Hartmanextern struct class *sound_class; 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid snd_request_card(int card); 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 22612b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Bergint snd_register_device_for_dev(int type, struct snd_card *card, 22712b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg int dev, 22812b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg const struct file_operations *f_ops, 22912b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg void *private_data, 23012b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg const char *name, 23112b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg struct device *device); 23212b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg 23312b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg/** 23412b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * snd_register_device - Register the ALSA device file for the card 23512b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * @type: the device type, SNDRV_DEVICE_TYPE_XXX 23612b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * @card: the card instance 23712b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * @dev: the device index 23812b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * @f_ops: the file operations 23912b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * @private_data: user pointer for f_ops->open() 24012b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * @name: the device file name 24112b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * 24212b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * Registers an ALSA device file for the given card. 24312b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * The operators have to be set in reg parameter. 24412b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * 24512b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * This function uses the card's device pointer to link to the 24612b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * correct &struct device. 24712b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * 24812b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * Returns zero if successful, or a negative error code on failure. 24912b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg */ 25012b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Bergstatic inline int snd_register_device(int type, struct snd_card *card, int dev, 25112b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg const struct file_operations *f_ops, 25212b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg void *private_data, 25312b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg const char *name) 25412b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg{ 25512b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg return snd_register_device_for_dev(type, card, dev, f_ops, 25612b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg private_data, name, 257c2902c8ae06762d941fab64198467f78cab6f8cdTakashi Iwai snd_card_get_device_link(card)); 25812b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg} 25912b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg 260512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_unregister_device(int type, struct snd_card *card, int dev); 261f87135f56cb266e031f5ec081dfbde7e43f55e80Clemens Ladischvoid *snd_lookup_minor_data(unsigned int minor, int type); 2629d19f48cfe2570562c2c6226780a7ca627b0f1f1Takashi Iwaiint snd_add_device_sysfs_file(int type, struct snd_card *card, int dev, 263d80f19fab89cba8a6d16193154c8ff3edab00942Greg Kroah-Hartman struct device_attribute *attr); 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_SND_OSSEMUL 2662af677fc884fc6dc79e65c99050ea607ac8bab9bClemens Ladischint snd_register_oss_device(int type, struct snd_card *card, int dev, 26799ac48f54a91d02140c497edc31dc57d4bc5c85dArjan van de Ven const struct file_operations *f_ops, void *private_data, 268f87135f56cb266e031f5ec081dfbde7e43f55e80Clemens Ladisch const char *name); 269512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_unregister_oss_device(int type, struct snd_card *card, int dev); 270f87135f56cb266e031f5ec081dfbde7e43f55e80Clemens Ladischvoid *snd_lookup_oss_minor_data(unsigned int minor, int type); 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint snd_minor_info_init(void); 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint snd_minor_info_done(void); 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* sound_oss.c */ 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_SND_OSSEMUL 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint snd_minor_info_oss_init(void); 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint snd_minor_info_oss_done(void); 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 282ad5fada51d33b408ad3d2d0848ef6744b5daf06fPavel Machekstatic inline int snd_minor_info_oss_init(void) { return 0; } 283ad5fada51d33b408ad3d2d0848ef6744b5daf06fPavel Machekstatic inline int snd_minor_info_oss_done(void) { return 0; } 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* memory.c */ 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint copy_to_user_fromio(void __user *dst, const volatile void __iomem *src, size_t count); 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint copy_from_user_toio(volatile void __iomem *dst, const void __user *src, size_t count); 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* init.c */ 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 293512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiextern struct snd_card *snd_cards[SNDRV_CARDS]; 294746df94898554b3d8e91d855e934852e626c701cTakashi Iwaiint snd_card_locked(int card); 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE) 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SND_MIXER_OSS_NOTIFY_REGISTER 0 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SND_MIXER_OSS_NOTIFY_DISCONNECT 1 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SND_MIXER_OSS_NOTIFY_FREE 2 299512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiextern int (*snd_mixer_oss_notify_callback)(struct snd_card *card, int cmd); 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 302512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistruct snd_card *snd_card_new(int idx, const char *id, 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct module *module, int extra_size); 304512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_card_disconnect(struct snd_card *card); 305512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_card_free(struct snd_card *card); 306c461482c8072bb073e6146db320d3da85cdc89adTakashi Iwaiint snd_card_free_when_closed(struct snd_card *card); 307512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_card_register(struct snd_card *card); 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint snd_card_info_init(void); 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint snd_card_info_done(void); 310512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_component_add(struct snd_card *card, const char *component); 311512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_card_file_add(struct snd_card *card, struct file *file); 312512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_card_file_remove(struct snd_card *card, struct file *file); 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef snd_card_set_dev 315edab938e63e463da86e4aa7b94628ce8f2b8a137Pavel Machek#define snd_card_set_dev(card, devptr) ((card)->dev = (devptr)) 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* device.c */ 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 320512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_device_new(struct snd_card *card, snd_device_type_t type, 321512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai void *device_data, struct snd_device_ops *ops); 322512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_device_register(struct snd_card *card, void *device_data); 323512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_device_register_all(struct snd_card *card); 324512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_device_disconnect(struct snd_card *card, void *device_data); 325512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_device_disconnect_all(struct snd_card *card); 326512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_device_free(struct snd_card *card, void *device_data); 327512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_device_free_all(struct snd_card *card, snd_device_cmd_t cmd); 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* isadma.c */ 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 331276bd31ce5af01350465861af7aa6a25864eb108Al Viro#ifdef CONFIG_ISA_DMA_API 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DMA_MODE_NO_ENABLE 0x0100 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid snd_dma_program(unsigned long dma, unsigned long addr, unsigned int size, unsigned short mode); 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid snd_dma_disable(unsigned long dma); 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsunsigned int snd_dma_pointer(unsigned long dma, unsigned int size); 337276bd31ce5af01350465861af7aa6a25864eb108Al Viro#endif 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* misc.c */ 340b709e57440b9d5f38b8c73e1310127d51777bba0Takashi Iwaistruct resource; 341b1d5776d865951c213a1caaab5d8bf5de7615dbdTakashi Iwaivoid release_and_free_resource(struct resource *res); 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_SND_VERBOSE_PRINTK 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid snd_verbose_printk(const char *file, int line, const char *format, ...) 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __attribute__ ((format (printf, 3, 4))); 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if defined(CONFIG_SND_DEBUG) && defined(CONFIG_SND_VERBOSE_PRINTK) 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid snd_verbose_printd(const char *file, int line, const char *format, ...) 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __attribute__ ((format (printf, 3, 4))); 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* --- */ 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_SND_VERBOSE_PRINTK 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * snd_printk - printk wrapper 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * @fmt: format string 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Works like print() but prints the file and the line of the caller 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * when configured with CONFIG_SND_VERBOSE_PRINTK. 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_printk(fmt, args...) \ 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_verbose_printk(__FILE__, __LINE__, fmt ,##args) 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_printk(fmt, args...) \ 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(fmt ,##args) 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_SND_DEBUG 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define __ASTRING__(x) #x 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_SND_VERBOSE_PRINTK 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * snd_printd - debug printk 3760863afb32b77fc89c7110b3d10fb048cb56bb1b5Martin Waitz * @fmt: format string 3771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 378edab938e63e463da86e4aa7b94628ce8f2b8a137Pavel Machek * Works like snd_printk() for debugging purposes. 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Ignored when CONFIG_SND_DEBUG is not set. 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_printd(fmt, args...) \ 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_verbose_printd(__FILE__, __LINE__, fmt ,##args) 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_printd(fmt, args...) \ 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(fmt ,##args) 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 388d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar * snd_assert - run-time assertion macro 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * @expr: expression 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This macro checks the expression in run-time and invokes the commands 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * given in the rest arguments if the assertion is failed. 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * When CONFIG_SND_DEBUG is not set, the expression is executed but 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * not checked. 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3967c22f1aaa23370bf9ba2dd3abbccbed70dced216Takashi Iwai#define snd_assert(expr, args...) do { \ 3977c22f1aaa23370bf9ba2dd3abbccbed70dced216Takashi Iwai if (unlikely(!(expr))) { \ 3987c22f1aaa23370bf9ba2dd3abbccbed70dced216Takashi Iwai snd_printk(KERN_ERR "BUG? (%s)\n", __ASTRING__(expr)); \ 3997c22f1aaa23370bf9ba2dd3abbccbed70dced216Takashi Iwai dump_stack(); \ 4007c22f1aaa23370bf9ba2dd3abbccbed70dced216Takashi Iwai args; \ 4017c22f1aaa23370bf9ba2dd3abbccbed70dced216Takashi Iwai } \ 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} while (0) 4037c22f1aaa23370bf9ba2dd3abbccbed70dced216Takashi Iwai 4047c22f1aaa23370bf9ba2dd3abbccbed70dced216Takashi Iwai#define snd_BUG() do { \ 4057c22f1aaa23370bf9ba2dd3abbccbed70dced216Takashi Iwai snd_printk(KERN_ERR "BUG?\n"); \ 4067c22f1aaa23370bf9ba2dd3abbccbed70dced216Takashi Iwai dump_stack(); \ 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} while (0) 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4095ef03460a6ffc1d3ee6b6f2abc6765d3e224cf89Takashi Iwai#define snd_BUG_ON(cond) WARN((cond), "BUG? (%s)\n", __stringify(cond)) 4105ef03460a6ffc1d3ee6b6f2abc6765d3e224cf89Takashi Iwai 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else /* !CONFIG_SND_DEBUG */ 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_printd(fmt, args...) /* nothing */ 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_assert(expr, args...) (void)(expr) 4157c22f1aaa23370bf9ba2dd3abbccbed70dced216Takashi Iwai#define snd_BUG() /* nothing */ 4165ef03460a6ffc1d3ee6b6f2abc6765d3e224cf89Takashi Iwai#define snd_BUG_ON(cond) ({/*(void)(cond);*/ 0;}) /* always false */ 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* CONFIG_SND_DEBUG */ 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 42062cf872a8eec1f11aacbec0ac3fe3698bfa9b403Takashi Iwai#ifdef CONFIG_SND_DEBUG_VERBOSE 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * snd_printdd - debug printk 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * @format: format string 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 425edab938e63e463da86e4aa7b94628ce8f2b8a137Pavel Machek * Works like snd_printk() for debugging purposes. 42662cf872a8eec1f11aacbec0ac3fe3698bfa9b403Takashi Iwai * Ignored when CONFIG_SND_DEBUG_VERBOSE is not set. 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_printdd(format, args...) snd_printk(format, ##args) 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_printdd(format, args...) /* nothing */ 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SNDRV_OSS_VERSION ((3<<16)|(8<<8)|(1<<4)|(0)) /* 3.8.1a */ 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* for easier backward-porting */ 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if defined(CONFIG_GAMEPORT) || defined(CONFIG_GAMEPORT_MODULE) 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef gameport_set_dev_parent 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define gameport_set_dev_parent(gp,xdev) ((gp)->dev.parent = (xdev)) 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define gameport_set_port_data(gp,r) ((gp)->port_data = (r)) 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define gameport_get_port_data(gp) (gp)->port_data 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 445d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai/* PCI quirk list helper */ 446d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwaistruct snd_pci_quirk { 447d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai unsigned short subvendor; /* PCI subvendor ID */ 448d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai unsigned short subdevice; /* PCI subdevice ID */ 449d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai int value; /* value */ 45062cf872a8eec1f11aacbec0ac3fe3698bfa9b403Takashi Iwai#ifdef CONFIG_SND_DEBUG_VERBOSE 451d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai const char *name; /* name of the device (optional) */ 452d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai#endif 453d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai}; 454d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai 455d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai#define _SND_PCI_QUIRK_ID(vend,dev) \ 456d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai .subvendor = (vend), .subdevice = (dev) 457d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai#define SND_PCI_QUIRK_ID(vend,dev) {_SND_PCI_QUIRK_ID(vend, dev)} 45862cf872a8eec1f11aacbec0ac3fe3698bfa9b403Takashi Iwai#ifdef CONFIG_SND_DEBUG_VERBOSE 459d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai#define SND_PCI_QUIRK(vend,dev,xname,val) \ 460d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai {_SND_PCI_QUIRK_ID(vend, dev), .value = (val), .name = (xname)} 461d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai#else 462d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai#define SND_PCI_QUIRK(vend,dev,xname,val) \ 463d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai {_SND_PCI_QUIRK_ID(vend, dev), .value = (val)} 464d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai#endif 465d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai 466d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwaiconst struct snd_pci_quirk * 467d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwaisnd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list); 468d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai 469d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai 4701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* __SOUND_CORE_H */ 471