core.h revision fae3d88a5c56c3f836e95c4516da883a48612437
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 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/sched.h> /* wake_up() */ 261a60d4c5a0c4028559585a74e48593b16e1ca9b2Ingo Molnar#include <linux/mutex.h> /* struct mutex */ 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/rwsem.h> /* struct rw_semaphore */ 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/pm.h> /* pm_message_t */ 295ef03460a6ffc1d3ee6b6f2abc6765d3e224cf89Takashi Iwai#include <linux/stringify.h> 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 319004acc70e8c49c50c4c7b652f906f1e0ed5709dTakashi Iwai/* number of supported soundcards */ 329004acc70e8c49c50c4c7b652f906f1e0ed5709dTakashi Iwai#ifdef CONFIG_SND_DYNAMIC_MINORS 339004acc70e8c49c50c4c7b652f906f1e0ed5709dTakashi Iwai#define SNDRV_CARDS 32 349004acc70e8c49c50c4c7b652f906f1e0ed5709dTakashi Iwai#else 359004acc70e8c49c50c4c7b652f906f1e0ed5709dTakashi Iwai#define SNDRV_CARDS 8 /* don't change - minor numbers */ 369004acc70e8c49c50c4c7b652f906f1e0ed5709dTakashi Iwai#endif 379004acc70e8c49c50c4c7b652f906f1e0ed5709dTakashi Iwai 389004acc70e8c49c50c4c7b652f906f1e0ed5709dTakashi Iwai#define CONFIG_SND_MAJOR 116 /* standard configuration */ 399004acc70e8c49c50c4c7b652f906f1e0ed5709dTakashi Iwai 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* forward declarations */ 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct pci_dev; 42de47725421ad5627a5c905f4e40bb844ebc06d29Paul Gortmakerstruct module; 43313162d0b83836e2f57e51b9b8650fb4b9c396eaPaul Gortmakerstruct device; 44313162d0b83836e2f57e51b9b8650fb4b9c396eaPaul Gortmakerstruct device_attribute; 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* device allocation stuff */ 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SNDRV_DEV_TYPE_RANGE_SIZE 0x1000 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 50512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaitypedef int __bitwise snd_device_type_t; 51512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_TOPLEVEL ((__force snd_device_type_t) 0) 52512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_CONTROL ((__force snd_device_type_t) 1) 53512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_LOWLEVEL_PRE ((__force snd_device_type_t) 2) 54512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_LOWLEVEL_NORMAL ((__force snd_device_type_t) 0x1000) 55512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_PCM ((__force snd_device_type_t) 0x1001) 56512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_RAWMIDI ((__force snd_device_type_t) 0x1002) 57512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_TIMER ((__force snd_device_type_t) 0x1003) 58512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_SEQUENCER ((__force snd_device_type_t) 0x1004) 59512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_HWDEP ((__force snd_device_type_t) 0x1005) 60512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_INFO ((__force snd_device_type_t) 0x1006) 61512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_BUS ((__force snd_device_type_t) 0x1007) 62512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_CODEC ((__force snd_device_type_t) 0x1008) 63e76d8ceaaff9d7fc1ba2b1963a9f34151832223bMark Brown#define SNDRV_DEV_JACK ((__force snd_device_type_t) 0x1009) 643eafc959b32f71d3fe6b27c9eae7495a23acfc3aOmair Mohammed Abdullah#define SNDRV_DEV_COMPRESS ((__force snd_device_type_t) 0x100A) 65512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_LOWLEVEL ((__force snd_device_type_t) 0x2000) 66512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai 67512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaitypedef int __bitwise snd_device_state_t; 68512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_BUILD ((__force snd_device_state_t) 0) 69512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_REGISTERED ((__force snd_device_state_t) 1) 70512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_DISCONNECTED ((__force snd_device_state_t) 2) 71512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai 72512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaitypedef int __bitwise snd_device_cmd_t; 73512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_CMD_PRE ((__force snd_device_cmd_t) 0) 74512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_CMD_NORMAL ((__force snd_device_cmd_t) 1) 75512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define SNDRV_DEV_CMD_POST ((__force snd_device_cmd_t) 2) 76512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai 77512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistruct snd_device; 78512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai 79512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistruct snd_device_ops { 80512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai int (*dev_free)(struct snd_device *dev); 81512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai int (*dev_register)(struct snd_device *dev); 82512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai int (*dev_disconnect)(struct snd_device *dev); 83512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai}; 84512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai 85512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistruct snd_device { 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct list_head list; /* list of registered devices */ 87512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai struct snd_card *card; /* card which holds this device */ 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_device_state_t state; /* state of the device */ 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_device_type_t type; /* device type */ 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *device_data; /* device structure */ 91512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai struct snd_device_ops *ops; /* operations */ 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 94512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define snd_device(n) list_entry(n, struct snd_device, list) 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* main structure for soundcard */ 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 98512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistruct snd_card { 99d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar int number; /* number of soundcard (index to 100d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar snd_cards) */ 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char id[16]; /* id string of this card */ 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char driver[16]; /* driver name */ 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char shortname[32]; /* short name of this soundcard */ 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char longname[80]; /* name of this soundcard */ 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char mixername[80]; /* mixer name */ 107ff33f2303b0ea8e5ac15af91de8d8538a5d58db1Takashi Iwai char components[128]; /* card components delimited with 108d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar space */ 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct module *module; /* top-level module */ 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *private_data; /* private data for soundcard */ 112512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai void (*private_free) (struct snd_card *card); /* callback for freeing of 113d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar private data */ 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct list_head devices; /* devices */ 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int last_numid; /* last used numeric ID */ 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct rw_semaphore controls_rwsem; /* controls list lock */ 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rwlock_t ctl_files_rwlock; /* ctl_files list lock */ 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int controls_count; /* count of all controls */ 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int user_ctl_count; /* count of all user controls */ 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct list_head controls; /* all controls for this card */ 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct list_head ctl_files; /* active control files */ 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 124512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai struct snd_info_entry *proc_root; /* root for soundcard specific files */ 125512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai struct snd_info_entry *proc_id; /* the card id */ 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct proc_dir_entry *proc_root_link; /* number link to real id */ 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 128118dd6bfe7e0cddc8ab417ead19cc76000e92773Takashi Iwai struct list_head files_list; /* all files associated to this card */ 129d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar struct snd_shutdown_f_ops *s_f_ops; /* file operations in the shutdown 130d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar state */ 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spinlock_t files_lock; /* lock the files for this card */ 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int shutdown; /* this card is going down */ 133c461482c8072bb073e6146db320d3da85cdc89adTakashi Iwai int free_on_last_close; /* free in context of file_release */ 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wait_queue_head_t shutdown_sleep; 1357d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai struct device *dev; /* device assigned to this card */ 1367d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai struct device *card_dev; /* cardX object for sysfs */ 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_PM 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int power_state; /* power state */ 1401a60d4c5a0c4028559585a74e48593b16e1ca9b2Ingo Molnar struct mutex power_lock; /* power lock */ 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wait_queue_head_t power_sleep; 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE) 145512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai struct snd_mixer_oss *mixer_oss; 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int mixer_oss_change_count; 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_PM 151512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistatic inline void snd_power_lock(struct snd_card *card) 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1531a60d4c5a0c4028559585a74e48593b16e1ca9b2Ingo Molnar mutex_lock(&card->power_lock); 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 156512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistatic inline void snd_power_unlock(struct snd_card *card) 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1581a60d4c5a0c4028559585a74e48593b16e1ca9b2Ingo Molnar mutex_unlock(&card->power_lock); 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 161512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistatic inline unsigned int snd_power_get_state(struct snd_card *card) 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return card->power_state; 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 166512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistatic inline void snd_power_change_state(struct snd_card *card, unsigned int state) 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->power_state = state; 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wake_up(&card->power_sleep); 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 171d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar 172d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar/* init.c */ 173cbac4b0cb62d01cb0aaec7778410b8856f01186bTakashi Iwaiint snd_power_wait(struct snd_card *card, unsigned int power_state); 174d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else /* ! CONFIG_PM */ 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_power_lock(card) do { (void)(card); } while (0) 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_power_unlock(card) do { (void)(card); } while (0) 1796fdb94bd95dc7a2effcbffa7a1d9e792cade57b6Linus Torvaldsstatic inline int snd_power_wait(struct snd_card *card, unsigned int state) { return 0; } 180363129ea90e0835b8552b797714cd200f674e287Mike Frysinger#define snd_power_get_state(card) ({ (void)(card); SNDRV_CTL_POWER_D0; }) 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_power_change_state(card, state) do { (void)(card); } while (0) 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* CONFIG_PM */ 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 185512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistruct snd_minor { 1862af677fc884fc6dc79e65c99050ea607ac8bab9bClemens Ladisch int type; /* SNDRV_DEVICE_TYPE_XXX */ 1876983b7240cd229787c3ee00e663ea94ea649d96aClemens Ladisch int card; /* card number */ 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int device; /* device number */ 18999ac48f54a91d02140c497edc31dc57d4bc5c85dArjan van de Ven const struct file_operations *f_ops; /* file operations */ 190f87135f56cb266e031f5ec081dfbde7e43f55e80Clemens Ladisch void *private_data; /* private data for f_ops->open */ 191d80f19fab89cba8a6d16193154c8ff3edab00942Greg Kroah-Hartman struct device *dev; /* device for sysfs */ 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1947d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai/* return a device pointer linked to each sound device as a parent */ 1957d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwaistatic inline struct device *snd_card_get_device_link(struct snd_card *card) 1967d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai{ 1977d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai return card ? card->card_dev : NULL; 1987d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai} 1997d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* sound.c */ 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 202f1902860161ff212c515e7ea629e880fec856a37Clemens Ladischextern int snd_major; 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern int snd_ecards_limit; 204d80f19fab89cba8a6d16193154c8ff3edab00942Greg Kroah-Hartmanextern struct class *sound_class; 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid snd_request_card(int card); 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20812b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Bergint snd_register_device_for_dev(int type, struct snd_card *card, 20912b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg int dev, 21012b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg const struct file_operations *f_ops, 21112b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg void *private_data, 21212b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg const char *name, 21312b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg struct device *device); 21412b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg 21512b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg/** 21612b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * snd_register_device - Register the ALSA device file for the card 21712b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * @type: the device type, SNDRV_DEVICE_TYPE_XXX 21812b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * @card: the card instance 21912b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * @dev: the device index 22012b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * @f_ops: the file operations 22112b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * @private_data: user pointer for f_ops->open() 22212b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * @name: the device file name 22312b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * 22412b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * Registers an ALSA device file for the given card. 22512b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * The operators have to be set in reg parameter. 22612b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * 22712b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * This function uses the card's device pointer to link to the 22812b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * correct &struct device. 22912b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * 23012b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * Returns zero if successful, or a negative error code on failure. 23112b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg */ 23212b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Bergstatic inline int snd_register_device(int type, struct snd_card *card, int dev, 23312b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg const struct file_operations *f_ops, 23412b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg void *private_data, 23512b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg const char *name) 23612b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg{ 23712b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg return snd_register_device_for_dev(type, card, dev, f_ops, 23812b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg private_data, name, 239c2902c8ae06762d941fab64198467f78cab6f8cdTakashi Iwai snd_card_get_device_link(card)); 24012b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg} 24112b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg 242512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_unregister_device(int type, struct snd_card *card, int dev); 243f87135f56cb266e031f5ec081dfbde7e43f55e80Clemens Ladischvoid *snd_lookup_minor_data(unsigned int minor, int type); 2449d19f48cfe2570562c2c6226780a7ca627b0f1f1Takashi Iwaiint snd_add_device_sysfs_file(int type, struct snd_card *card, int dev, 245d80f19fab89cba8a6d16193154c8ff3edab00942Greg Kroah-Hartman struct device_attribute *attr); 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_SND_OSSEMUL 2482af677fc884fc6dc79e65c99050ea607ac8bab9bClemens Ladischint snd_register_oss_device(int type, struct snd_card *card, int dev, 24999ac48f54a91d02140c497edc31dc57d4bc5c85dArjan van de Ven const struct file_operations *f_ops, void *private_data, 250f87135f56cb266e031f5ec081dfbde7e43f55e80Clemens Ladisch const char *name); 251512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_unregister_oss_device(int type, struct snd_card *card, int dev); 252f87135f56cb266e031f5ec081dfbde7e43f55e80Clemens Ladischvoid *snd_lookup_oss_minor_data(unsigned int minor, int type); 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint snd_minor_info_init(void); 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint snd_minor_info_done(void); 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* sound_oss.c */ 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_SND_OSSEMUL 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint snd_minor_info_oss_init(void); 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint snd_minor_info_oss_done(void); 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 264ad5fada51d33b408ad3d2d0848ef6744b5daf06fPavel Machekstatic inline int snd_minor_info_oss_init(void) { return 0; } 265ad5fada51d33b408ad3d2d0848ef6744b5daf06fPavel Machekstatic inline int snd_minor_info_oss_done(void) { return 0; } 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* memory.c */ 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint copy_to_user_fromio(void __user *dst, const volatile void __iomem *src, size_t count); 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint copy_from_user_toio(volatile void __iomem *dst, const void __user *src, size_t count); 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* init.c */ 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 275512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiextern struct snd_card *snd_cards[SNDRV_CARDS]; 276746df94898554b3d8e91d855e934852e626c701cTakashi Iwaiint snd_card_locked(int card); 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE) 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SND_MIXER_OSS_NOTIFY_REGISTER 0 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SND_MIXER_OSS_NOTIFY_DISCONNECT 1 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SND_MIXER_OSS_NOTIFY_FREE 2 281512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiextern int (*snd_mixer_oss_notify_callback)(struct snd_card *card, int cmd); 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 28453fb1e63599438bd5f6fbb852023d80916d83983Takashi Iwaiint snd_card_create(int idx, const char *id, 28553fb1e63599438bd5f6fbb852023d80916d83983Takashi Iwai struct module *module, int extra_size, 28653fb1e63599438bd5f6fbb852023d80916d83983Takashi Iwai struct snd_card **card_ret); 28753fb1e63599438bd5f6fbb852023d80916d83983Takashi Iwai 288512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_card_disconnect(struct snd_card *card); 289512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_card_free(struct snd_card *card); 290c461482c8072bb073e6146db320d3da85cdc89adTakashi Iwaiint snd_card_free_when_closed(struct snd_card *card); 29110a8ebbb08c4b08292598947bbe534e04d6ee705Jaroslav Kyselavoid snd_card_set_id(struct snd_card *card, const char *id); 292512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_card_register(struct snd_card *card); 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint snd_card_info_init(void); 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint snd_card_info_done(void); 295512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_component_add(struct snd_card *card, const char *component); 296512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_card_file_add(struct snd_card *card, struct file *file); 297512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_card_file_remove(struct snd_card *card, struct file *file); 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 299edab938e63e463da86e4aa7b94628ce8f2b8a137Pavel Machek#define snd_card_set_dev(card, devptr) ((card)->dev = (devptr)) 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* device.c */ 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 303512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_device_new(struct snd_card *card, snd_device_type_t type, 304512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai void *device_data, struct snd_device_ops *ops); 305512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_device_register(struct snd_card *card, void *device_data); 306512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_device_register_all(struct snd_card *card); 307512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_device_disconnect(struct snd_card *card, void *device_data); 308512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_device_disconnect_all(struct snd_card *card); 309512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_device_free(struct snd_card *card, void *device_data); 310512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_device_free_all(struct snd_card *card, snd_device_cmd_t cmd); 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* isadma.c */ 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 314276bd31ce5af01350465861af7aa6a25864eb108Al Viro#ifdef CONFIG_ISA_DMA_API 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DMA_MODE_NO_ENABLE 0x0100 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid snd_dma_program(unsigned long dma, unsigned long addr, unsigned int size, unsigned short mode); 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid snd_dma_disable(unsigned long dma); 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsunsigned int snd_dma_pointer(unsigned long dma, unsigned int size); 320276bd31ce5af01350465861af7aa6a25864eb108Al Viro#endif 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* misc.c */ 323b709e57440b9d5f38b8c73e1310127d51777bba0Takashi Iwaistruct resource; 324b1d5776d865951c213a1caaab5d8bf5de7615dbdTakashi Iwaivoid release_and_free_resource(struct resource *res); 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* --- */ 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 328fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wu/* sound printk debug levels */ 329fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wuenum { 330fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wu SND_PR_ALWAYS, 331fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wu SND_PR_DEBUG, 332fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wu SND_PR_VERBOSE, 333fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wu}; 334fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wu 33536ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai#if defined(CONFIG_SND_DEBUG) || defined(CONFIG_SND_VERBOSE_PRINTK) 336b9075fa968a0a4347aef35e235e2995c0e57ddddJoe Perches__printf(4, 5) 33736ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwaivoid __snd_printk(unsigned int level, const char *file, int line, 338b9075fa968a0a4347aef35e235e2995c0e57ddddJoe Perches const char *format, ...); 33936ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai#else 34036ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai#define __snd_printk(level, file, line, format, args...) \ 341cf0baf16c3a3b3dd67ea3df346479032ab10e988Takashi Iwai printk(format, ##args) 34236ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai#endif 34336ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * snd_printk - printk wrapper 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * @fmt: format string 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 348f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * Works like printk() but prints the file and the line of the caller 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * when configured with CONFIG_SND_VERBOSE_PRINTK. 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_printk(fmt, args...) \ 35236ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai __snd_printk(0, __FILE__, __LINE__, fmt, ##args) 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_SND_DEBUG 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * snd_printd - debug printk 3570863afb32b77fc89c7110b3d10fb048cb56bb1b5Martin Waitz * @fmt: format string 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 359edab938e63e463da86e4aa7b94628ce8f2b8a137Pavel Machek * Works like snd_printk() for debugging purposes. 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Ignored when CONFIG_SND_DEBUG is not set. 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_printd(fmt, args...) \ 36336ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai __snd_printk(1, __FILE__, __LINE__, fmt, ##args) 364fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wu#define _snd_printd(level, fmt, args...) \ 365fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wu __snd_printk(level, __FILE__, __LINE__, fmt, ##args) 3667c22f1aaa23370bf9ba2dd3abbccbed70dced216Takashi Iwai 367f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai/** 368f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * snd_BUG - give a BUG warning message and stack trace 369f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * 370f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * Calls WARN() if CONFIG_SND_DEBUG is set. 371f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * Ignored when CONFIG_SND_DEBUG is not set. 372f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai */ 373bdbecf50064b75ecce2e10ce2621de0d0fac7de6Takashi Iwai#define snd_BUG() WARN(1, "BUG?\n") 374f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai 375f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai/** 376f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * snd_BUG_ON - debugging check macro 377f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * @cond: condition to evaluate 378f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * 379f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * When CONFIG_SND_DEBUG is set, this macro evaluates the given condition, 380f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * and call WARN() and returns the value if it's non-zero. 381f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * 382f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * When CONFIG_SND_DEBUG is not set, this just returns zero, and the given 383f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * condition is ignored. 384f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * 385f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * NOTE: the argument won't be evaluated at all when CONFIG_SND_DEBUG=n. 386f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * Thus, don't put any statement that influences on the code behavior, 387f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * such as pre/post increment, to the argument of this macro. 388f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * If you want to evaluate and give a warning, use standard WARN_ON(). 389f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai */ 3905ef03460a6ffc1d3ee6b6f2abc6765d3e224cf89Takashi Iwai#define snd_BUG_ON(cond) WARN((cond), "BUG? (%s)\n", __stringify(cond)) 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else /* !CONFIG_SND_DEBUG */ 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 394fcef7836a31c6432b41a38867d413ed3d6aa8261Andrew Morton#define snd_printd(fmt, args...) do { } while (0) 395fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wu#define _snd_printd(level, fmt, args...) do { } while (0) 396fcef7836a31c6432b41a38867d413ed3d6aa8261Andrew Morton#define snd_BUG() do { } while (0) 397945eed02cd619f525e097319cd3d18c58d01da87Takashi Iwaistatic inline int __snd_bug_on(int cond) 398fcef7836a31c6432b41a38867d413ed3d6aa8261Andrew Morton{ 399fcef7836a31c6432b41a38867d413ed3d6aa8261Andrew Morton return 0; 400fcef7836a31c6432b41a38867d413ed3d6aa8261Andrew Morton} 401945eed02cd619f525e097319cd3d18c58d01da87Takashi Iwai#define snd_BUG_ON(cond) __snd_bug_on(0 && (cond)) /* always false */ 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* CONFIG_SND_DEBUG */ 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 40562cf872a8eec1f11aacbec0ac3fe3698bfa9b403Takashi Iwai#ifdef CONFIG_SND_DEBUG_VERBOSE 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * snd_printdd - debug printk 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * @format: format string 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 410edab938e63e463da86e4aa7b94628ce8f2b8a137Pavel Machek * Works like snd_printk() for debugging purposes. 41162cf872a8eec1f11aacbec0ac3fe3698bfa9b403Takashi Iwai * Ignored when CONFIG_SND_DEBUG_VERBOSE is not set. 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 41336ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai#define snd_printdd(format, args...) \ 41436ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai __snd_printk(2, __FILE__, __LINE__, format, ##args) 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 41636ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai#define snd_printdd(format, args...) do { } while (0) 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SNDRV_OSS_VERSION ((3<<16)|(8<<8)|(1<<4)|(0)) /* 3.8.1a */ 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* for easier backward-porting */ 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if defined(CONFIG_GAMEPORT) || defined(CONFIG_GAMEPORT_MODULE) 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define gameport_set_dev_parent(gp,xdev) ((gp)->dev.parent = (xdev)) 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define gameport_set_port_data(gp,r) ((gp)->port_data = (r)) 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define gameport_get_port_data(gp) (gp)->port_data 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4298422fa110334cea79ab16c474902edb21a8b3168Axel Lin#ifdef CONFIG_PCI 430d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai/* PCI quirk list helper */ 431d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwaistruct snd_pci_quirk { 432d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai unsigned short subvendor; /* PCI subvendor ID */ 433d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai unsigned short subdevice; /* PCI subdevice ID */ 4348bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai unsigned short subdevice_mask; /* bitmask to match */ 435d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai int value; /* value */ 43662cf872a8eec1f11aacbec0ac3fe3698bfa9b403Takashi Iwai#ifdef CONFIG_SND_DEBUG_VERBOSE 437d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai const char *name; /* name of the device (optional) */ 438d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai#endif 439d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai}; 440d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai 4418bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai#define _SND_PCI_QUIRK_ID_MASK(vend, mask, dev) \ 4428bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai .subvendor = (vend), .subdevice = (dev), .subdevice_mask = (mask) 4438bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai#define _SND_PCI_QUIRK_ID(vend, dev) \ 4448bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai _SND_PCI_QUIRK_ID_MASK(vend, 0xffff, dev) 445d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai#define SND_PCI_QUIRK_ID(vend,dev) {_SND_PCI_QUIRK_ID(vend, dev)} 44662cf872a8eec1f11aacbec0ac3fe3698bfa9b403Takashi Iwai#ifdef CONFIG_SND_DEBUG_VERBOSE 447d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai#define SND_PCI_QUIRK(vend,dev,xname,val) \ 448d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai {_SND_PCI_QUIRK_ID(vend, dev), .value = (val), .name = (xname)} 4498bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai#define SND_PCI_QUIRK_VENDOR(vend, xname, val) \ 4508bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai {_SND_PCI_QUIRK_ID_MASK(vend, 0, 0), .value = (val), .name = (xname)} 4518bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai#define SND_PCI_QUIRK_MASK(vend, mask, dev, xname, val) \ 4528bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai {_SND_PCI_QUIRK_ID_MASK(vend, mask, dev), \ 4538bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai .value = (val), .name = (xname)} 454d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai#else 455d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai#define SND_PCI_QUIRK(vend,dev,xname,val) \ 456d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai {_SND_PCI_QUIRK_ID(vend, dev), .value = (val)} 4578bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai#define SND_PCI_QUIRK_MASK(vend, mask, dev, xname, val) \ 4588bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai {_SND_PCI_QUIRK_ID_MASK(vend, mask, dev), .value = (val)} 4598bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai#define SND_PCI_QUIRK_VENDOR(vend, xname, val) \ 4608bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai {_SND_PCI_QUIRK_ID_MASK(vend, 0, 0), .value = (val)} 461d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai#endif 462d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai 463d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwaiconst struct snd_pci_quirk * 464d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwaisnd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list); 465d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai 466d1458279bf9c575a52fd22818ca19c463f380abaTakashi Iwaiconst struct snd_pci_quirk * 467d1458279bf9c575a52fd22818ca19c463f380abaTakashi Iwaisnd_pci_quirk_lookup_id(u16 vendor, u16 device, 468d1458279bf9c575a52fd22818ca19c463f380abaTakashi Iwai const struct snd_pci_quirk *list); 4698422fa110334cea79ab16c474902edb21a8b3168Axel Lin#endif 470d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* __SOUND_CORE_H */ 472