core.h revision 9ce5054363c6ec7e38d0c6c39bd116ec4f7d6480
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 258bfb181c17d20956f156e84638912e00e1aaca86Takashi Iwai#include <linux/device.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 */ 305ef03460a6ffc1d3ee6b6f2abc6765d3e224cf89Takashi Iwai#include <linux/stringify.h> 31bcbb15530ebe9737622cb7779b35c61f48b49734Tim Gardner#include <linux/printk.h> 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 339004acc70e8c49c50c4c7b652f906f1e0ed5709dTakashi Iwai/* number of supported soundcards */ 349004acc70e8c49c50c4c7b652f906f1e0ed5709dTakashi Iwai#ifdef CONFIG_SND_DYNAMIC_MINORS 357bb2491b35a254fe6fd592c32a142a2f2f31fe6eTakashi Iwai#define SNDRV_CARDS CONFIG_SND_MAX_CARDS 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 Torvaldsstruct pci_dev; 44de47725421ad5627a5c905f4e40bb844ebc06d29Paul Gortmakerstruct module; 45f24640648186b59bd39f8cd640d631bdb61a3197Takashi Iwaistruct completion; 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* device allocation stuff */ 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SNDRV_DEV_TYPE_RANGE_SIZE 0x1000 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 519ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwaienum snd_device_type { 529ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_TOPLEVEL = 0, 539ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_CONTROL = 1, 549ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_LOWLEVEL_PRE = 2, 559ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_LOWLEVEL_NORMAL = 0x1000, 569ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_PCM, 579ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_RAWMIDI, 589ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_TIMER, 599ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_SEQUENCER, 609ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_HWDEP, 619ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_INFO, 629ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_BUS, 639ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_CODEC, 649ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_JACK, 659ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_COMPRESS, 669ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_LOWLEVEL = 0x2000, 679ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai}; 689ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai 699ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwaienum snd_device_state { 709ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_BUILD, 719ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_REGISTERED, 729ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_DISCONNECTED, 739ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai}; 749ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai 759ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwaienum snd_device_cmd { 769ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_CMD_PRE, 779ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_CMD_NORMAL, 789ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_CMD_POST, 799ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai}; 80512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai 81512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistruct snd_device; 82512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai 83512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistruct snd_device_ops { 84512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai int (*dev_free)(struct snd_device *dev); 85512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai int (*dev_register)(struct snd_device *dev); 86512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai int (*dev_disconnect)(struct snd_device *dev); 87512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai}; 88512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai 89512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistruct snd_device { 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct list_head list; /* list of registered devices */ 91512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai struct snd_card *card; /* card which holds this device */ 929ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai enum snd_device_state state; /* state of the device */ 939ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai enum snd_device_type type; /* device type */ 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *device_data; /* device structure */ 95512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai struct snd_device_ops *ops; /* operations */ 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 98512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define snd_device(n) list_entry(n, struct snd_device, list) 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* main structure for soundcard */ 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 102512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistruct snd_card { 103d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar int number; /* number of soundcard (index to 104d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar snd_cards) */ 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char id[16]; /* id string of this card */ 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char driver[16]; /* driver name */ 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char shortname[32]; /* short name of this soundcard */ 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char longname[80]; /* name of this soundcard */ 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char mixername[80]; /* mixer name */ 111ff33f2303b0ea8e5ac15af91de8d8538a5d58db1Takashi Iwai char components[128]; /* card components delimited with 112d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar space */ 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct module *module; /* top-level module */ 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *private_data; /* private data for soundcard */ 116512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai void (*private_free) (struct snd_card *card); /* callback for freeing of 117d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar private data */ 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct list_head devices; /* devices */ 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int last_numid; /* last used numeric ID */ 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct rw_semaphore controls_rwsem; /* controls list lock */ 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rwlock_t ctl_files_rwlock; /* ctl_files list lock */ 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int controls_count; /* count of all controls */ 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int user_ctl_count; /* count of all user controls */ 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct list_head controls; /* all controls for this card */ 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct list_head ctl_files; /* active control files */ 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 128512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai struct snd_info_entry *proc_root; /* root for soundcard specific files */ 129512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai struct snd_info_entry *proc_id; /* the card id */ 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct proc_dir_entry *proc_root_link; /* number link to real id */ 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 132118dd6bfe7e0cddc8ab417ead19cc76000e92773Takashi Iwai struct list_head files_list; /* all files associated to this card */ 133d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar struct snd_shutdown_f_ops *s_f_ops; /* file operations in the shutdown 134d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar state */ 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spinlock_t files_lock; /* lock the files for this card */ 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int shutdown; /* this card is going down */ 137f24640648186b59bd39f8cd640d631bdb61a3197Takashi Iwai struct completion *release_completion; 1387d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai struct device *dev; /* device assigned to this card */ 1398bfb181c17d20956f156e84638912e00e1aaca86Takashi Iwai struct device card_dev; /* cardX object for sysfs */ 1408bfb181c17d20956f156e84638912e00e1aaca86Takashi Iwai bool registered; /* card_dev is registered? */ 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_PM 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int power_state; /* power state */ 1441a60d4c5a0c4028559585a74e48593b16e1ca9b2Ingo Molnar struct mutex power_lock; /* power lock */ 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wait_queue_head_t power_sleep; 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE) 149512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai struct snd_mixer_oss *mixer_oss; 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int mixer_oss_change_count; 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1548bfb181c17d20956f156e84638912e00e1aaca86Takashi Iwai#define dev_to_snd_card(p) container_of(p, struct snd_card, card_dev) 1558bfb181c17d20956f156e84638912e00e1aaca86Takashi Iwai 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_PM 157512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistatic inline void snd_power_lock(struct snd_card *card) 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1591a60d4c5a0c4028559585a74e48593b16e1ca9b2Ingo Molnar mutex_lock(&card->power_lock); 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 162512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistatic inline void snd_power_unlock(struct snd_card *card) 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1641a60d4c5a0c4028559585a74e48593b16e1ca9b2Ingo Molnar mutex_unlock(&card->power_lock); 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 167512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistatic inline unsigned int snd_power_get_state(struct snd_card *card) 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return card->power_state; 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 172512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistatic inline void snd_power_change_state(struct snd_card *card, unsigned int state) 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->power_state = state; 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wake_up(&card->power_sleep); 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 177d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar 178d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar/* init.c */ 179cbac4b0cb62d01cb0aaec7778410b8856f01186bTakashi Iwaiint snd_power_wait(struct snd_card *card, unsigned int power_state); 180d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else /* ! CONFIG_PM */ 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_power_lock(card) do { (void)(card); } while (0) 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_power_unlock(card) do { (void)(card); } while (0) 1856fdb94bd95dc7a2effcbffa7a1d9e792cade57b6Linus Torvaldsstatic inline int snd_power_wait(struct snd_card *card, unsigned int state) { return 0; } 186363129ea90e0835b8552b797714cd200f674e287Mike Frysinger#define snd_power_get_state(card) ({ (void)(card); SNDRV_CTL_POWER_D0; }) 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_power_change_state(card, state) do { (void)(card); } while (0) 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* CONFIG_PM */ 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 191512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistruct snd_minor { 1922af677fc884fc6dc79e65c99050ea607ac8bab9bClemens Ladisch int type; /* SNDRV_DEVICE_TYPE_XXX */ 1936983b7240cd229787c3ee00e663ea94ea649d96aClemens Ladisch int card; /* card number */ 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int device; /* device number */ 19599ac48f54a91d02140c497edc31dc57d4bc5c85dArjan van de Ven const struct file_operations *f_ops; /* file operations */ 196f87135f56cb266e031f5ec081dfbde7e43f55e80Clemens Ladisch void *private_data; /* private data for f_ops->open */ 197d80f19fab89cba8a6d16193154c8ff3edab00942Greg Kroah-Hartman struct device *dev; /* device for sysfs */ 198a0830dbd4e42b38aefdf3fb61ba5019a1a99ea85Takashi Iwai struct snd_card *card_ptr; /* assigned card instance */ 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2017d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai/* return a device pointer linked to each sound device as a parent */ 2027d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwaistatic inline struct device *snd_card_get_device_link(struct snd_card *card) 2037d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai{ 2048bfb181c17d20956f156e84638912e00e1aaca86Takashi Iwai return card ? &card->card_dev : NULL; 2057d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai} 2067d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* sound.c */ 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 209f1902860161ff212c515e7ea629e880fec856a37Clemens Ladischextern int snd_major; 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern int snd_ecards_limit; 211d80f19fab89cba8a6d16193154c8ff3edab00942Greg Kroah-Hartmanextern struct class *sound_class; 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid snd_request_card(int card); 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21512b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Bergint snd_register_device_for_dev(int type, struct snd_card *card, 21612b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg int dev, 21712b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg const struct file_operations *f_ops, 21812b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg void *private_data, 21912b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg const char *name, 22012b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg struct device *device); 22112b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg 22212b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg/** 22312b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * snd_register_device - Register the ALSA device file for the card 22412b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * @type: the device type, SNDRV_DEVICE_TYPE_XXX 22512b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * @card: the card instance 22612b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * @dev: the device index 22712b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * @f_ops: the file operations 22812b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * @private_data: user pointer for f_ops->open() 22912b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * @name: the device file name 23012b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * 23112b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * Registers an ALSA device file for the given card. 23212b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * The operators have to be set in reg parameter. 23312b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * 23412b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * This function uses the card's device pointer to link to the 23512b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * correct &struct device. 23612b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * 237eb7c06e8e9c93b495e355421cffd3c43c266d7d2Yacine Belkadi * Return: Zero if successful, or a negative error code on failure. 23812b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg */ 23912b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Bergstatic inline int snd_register_device(int type, struct snd_card *card, int dev, 24012b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg const struct file_operations *f_ops, 24112b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg void *private_data, 24212b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg const char *name) 24312b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg{ 24412b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg return snd_register_device_for_dev(type, card, dev, f_ops, 24512b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg private_data, name, 246c2902c8ae06762d941fab64198467f78cab6f8cdTakashi Iwai snd_card_get_device_link(card)); 24712b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg} 24812b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg 249512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_unregister_device(int type, struct snd_card *card, int dev); 250f87135f56cb266e031f5ec081dfbde7e43f55e80Clemens Ladischvoid *snd_lookup_minor_data(unsigned int minor, int type); 2519d19f48cfe2570562c2c6226780a7ca627b0f1f1Takashi Iwaiint snd_add_device_sysfs_file(int type, struct snd_card *card, int dev, 252d80f19fab89cba8a6d16193154c8ff3edab00942Greg Kroah-Hartman struct device_attribute *attr); 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_SND_OSSEMUL 2552af677fc884fc6dc79e65c99050ea607ac8bab9bClemens Ladischint snd_register_oss_device(int type, struct snd_card *card, int dev, 25680d7d771ae839d6fc2286f443ad8445b6721a7f3Takashi Iwai const struct file_operations *f_ops, void *private_data); 257512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_unregister_oss_device(int type, struct snd_card *card, int dev); 258f87135f56cb266e031f5ec081dfbde7e43f55e80Clemens Ladischvoid *snd_lookup_oss_minor_data(unsigned int minor, int type); 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint snd_minor_info_init(void); 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint snd_minor_info_done(void); 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* sound_oss.c */ 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_SND_OSSEMUL 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint snd_minor_info_oss_init(void); 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint snd_minor_info_oss_done(void); 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 270ad5fada51d33b408ad3d2d0848ef6744b5daf06fPavel Machekstatic inline int snd_minor_info_oss_init(void) { return 0; } 271ad5fada51d33b408ad3d2d0848ef6744b5daf06fPavel Machekstatic inline int snd_minor_info_oss_done(void) { return 0; } 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* memory.c */ 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint copy_to_user_fromio(void __user *dst, const volatile void __iomem *src, size_t count); 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint copy_from_user_toio(volatile void __iomem *dst, const void __user *src, size_t count); 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* init.c */ 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 281512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiextern struct snd_card *snd_cards[SNDRV_CARDS]; 282746df94898554b3d8e91d855e934852e626c701cTakashi Iwaiint snd_card_locked(int card); 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE) 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SND_MIXER_OSS_NOTIFY_REGISTER 0 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SND_MIXER_OSS_NOTIFY_DISCONNECT 1 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SND_MIXER_OSS_NOTIFY_FREE 2 287512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiextern int (*snd_mixer_oss_notify_callback)(struct snd_card *card, int cmd); 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 290393aa9c1cc514774332d7bc861307a76206e358dTakashi Iwaiint snd_card_new(struct device *parent, int idx, const char *xid, 291393aa9c1cc514774332d7bc861307a76206e358dTakashi Iwai struct module *module, int extra_size, 292393aa9c1cc514774332d7bc861307a76206e358dTakashi Iwai struct snd_card **card_ret); 293393aa9c1cc514774332d7bc861307a76206e358dTakashi Iwai 294393aa9c1cc514774332d7bc861307a76206e358dTakashi Iwaistatic inline int __deprecated 295393aa9c1cc514774332d7bc861307a76206e358dTakashi Iwaisnd_card_create(int idx, const char *id, struct module *module, int extra_size, 296393aa9c1cc514774332d7bc861307a76206e358dTakashi Iwai struct snd_card **ret) 297393aa9c1cc514774332d7bc861307a76206e358dTakashi Iwai{ 298393aa9c1cc514774332d7bc861307a76206e358dTakashi Iwai return snd_card_new(NULL, idx, id, module, extra_size, ret); 299393aa9c1cc514774332d7bc861307a76206e358dTakashi Iwai} 30053fb1e63599438bd5f6fbb852023d80916d83983Takashi Iwai 301512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_card_disconnect(struct snd_card *card); 302512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_card_free(struct snd_card *card); 303c461482c8072bb073e6146db320d3da85cdc89adTakashi Iwaiint snd_card_free_when_closed(struct snd_card *card); 30410a8ebbb08c4b08292598947bbe534e04d6ee705Jaroslav Kyselavoid snd_card_set_id(struct snd_card *card, const char *id); 305512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_card_register(struct snd_card *card); 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint snd_card_info_init(void); 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint snd_card_info_done(void); 308512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_component_add(struct snd_card *card, const char *component); 309512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_card_file_add(struct snd_card *card, struct file *file); 310512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_card_file_remove(struct snd_card *card, struct file *file); 311f24640648186b59bd39f8cd640d631bdb61a3197Takashi Iwai#define snd_card_unref(card) put_device(&(card)->card_dev) 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 313edab938e63e463da86e4aa7b94628ce8f2b8a137Pavel Machek#define snd_card_set_dev(card, devptr) ((card)->dev = (devptr)) 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* device.c */ 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3179ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwaiint snd_device_new(struct snd_card *card, enum snd_device_type type, 318512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai void *device_data, struct snd_device_ops *ops); 319512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_device_register(struct snd_card *card, void *device_data); 320512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_device_register_all(struct snd_card *card); 321512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_device_disconnect(struct snd_card *card, void *device_data); 322512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_device_disconnect_all(struct snd_card *card); 323512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_device_free(struct snd_card *card, void *device_data); 3249ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwaiint snd_device_free_all(struct snd_card *card, enum snd_device_cmd cmd); 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* isadma.c */ 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 328276bd31ce5af01350465861af7aa6a25864eb108Al Viro#ifdef CONFIG_ISA_DMA_API 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DMA_MODE_NO_ENABLE 0x0100 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid snd_dma_program(unsigned long dma, unsigned long addr, unsigned int size, unsigned short mode); 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid snd_dma_disable(unsigned long dma); 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsunsigned int snd_dma_pointer(unsigned long dma, unsigned int size); 334276bd31ce5af01350465861af7aa6a25864eb108Al Viro#endif 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* misc.c */ 337b709e57440b9d5f38b8c73e1310127d51777bba0Takashi Iwaistruct resource; 338b1d5776d865951c213a1caaab5d8bf5de7615dbdTakashi Iwaivoid release_and_free_resource(struct resource *res); 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* --- */ 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 342fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wu/* sound printk debug levels */ 343fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wuenum { 344fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wu SND_PR_ALWAYS, 345fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wu SND_PR_DEBUG, 346fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wu SND_PR_VERBOSE, 347fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wu}; 348fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wu 34936ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai#if defined(CONFIG_SND_DEBUG) || defined(CONFIG_SND_VERBOSE_PRINTK) 350b9075fa968a0a4347aef35e235e2995c0e57ddddJoe Perches__printf(4, 5) 35136ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwaivoid __snd_printk(unsigned int level, const char *file, int line, 352b9075fa968a0a4347aef35e235e2995c0e57ddddJoe Perches const char *format, ...); 35336ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai#else 35436ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai#define __snd_printk(level, file, line, format, args...) \ 355cf0baf16c3a3b3dd67ea3df346479032ab10e988Takashi Iwai printk(format, ##args) 35636ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai#endif 35736ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * snd_printk - printk wrapper 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * @fmt: format string 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 362f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * Works like printk() but prints the file and the line of the caller 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * when configured with CONFIG_SND_VERBOSE_PRINTK. 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_printk(fmt, args...) \ 36636ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai __snd_printk(0, __FILE__, __LINE__, fmt, ##args) 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_SND_DEBUG 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * snd_printd - debug printk 3710863afb32b77fc89c7110b3d10fb048cb56bb1b5Martin Waitz * @fmt: format string 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 373edab938e63e463da86e4aa7b94628ce8f2b8a137Pavel Machek * Works like snd_printk() for debugging purposes. 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Ignored when CONFIG_SND_DEBUG is not set. 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_printd(fmt, args...) \ 37736ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai __snd_printk(1, __FILE__, __LINE__, fmt, ##args) 378fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wu#define _snd_printd(level, fmt, args...) \ 379fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wu __snd_printk(level, __FILE__, __LINE__, fmt, ##args) 3807c22f1aaa23370bf9ba2dd3abbccbed70dced216Takashi Iwai 381f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai/** 382f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * snd_BUG - give a BUG warning message and stack trace 383f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * 384f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * Calls WARN() if CONFIG_SND_DEBUG is set. 385f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * Ignored when CONFIG_SND_DEBUG is not set. 386f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai */ 387bdbecf50064b75ecce2e10ce2621de0d0fac7de6Takashi Iwai#define snd_BUG() WARN(1, "BUG?\n") 388f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai 389f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai/** 390bcbb15530ebe9737622cb7779b35c61f48b49734Tim Gardner * Suppress high rates of output when CONFIG_SND_DEBUG is enabled. 391bcbb15530ebe9737622cb7779b35c61f48b49734Tim Gardner */ 392bcbb15530ebe9737622cb7779b35c61f48b49734Tim Gardner#define snd_printd_ratelimit() printk_ratelimit() 393bcbb15530ebe9737622cb7779b35c61f48b49734Tim Gardner 394bcbb15530ebe9737622cb7779b35c61f48b49734Tim Gardner/** 395f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * snd_BUG_ON - debugging check macro 396f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * @cond: condition to evaluate 397f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * 398d5702162f85526319c848c667df49ee1754dccefChristine Spang * Has the same behavior as WARN_ON when CONFIG_SND_DEBUG is set, 399d5702162f85526319c848c667df49ee1754dccefChristine Spang * otherwise just evaluates the conditional and returns the value. 400f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai */ 401d5702162f85526319c848c667df49ee1754dccefChristine Spang#define snd_BUG_ON(cond) WARN_ON((cond)) 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else /* !CONFIG_SND_DEBUG */ 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 40586b2723725a2e186f5699d97cb20014fa893931fTakashi Iwai__printf(1, 2) 40686b2723725a2e186f5699d97cb20014fa893931fTakashi Iwaistatic inline void snd_printd(const char *format, ...) {} 40786b2723725a2e186f5699d97cb20014fa893931fTakashi Iwai__printf(2, 3) 40886b2723725a2e186f5699d97cb20014fa893931fTakashi Iwaistatic inline void _snd_printd(int level, const char *format, ...) {} 40986b2723725a2e186f5699d97cb20014fa893931fTakashi Iwai 410fcef7836a31c6432b41a38867d413ed3d6aa8261Andrew Morton#define snd_BUG() do { } while (0) 411d5702162f85526319c848c667df49ee1754dccefChristine Spang 412d5702162f85526319c848c667df49ee1754dccefChristine Spang#define snd_BUG_ON(condition) ({ \ 413d5702162f85526319c848c667df49ee1754dccefChristine Spang int __ret_warn_on = !!(condition); \ 414d5702162f85526319c848c667df49ee1754dccefChristine Spang unlikely(__ret_warn_on); \ 415d5702162f85526319c848c667df49ee1754dccefChristine Spang}) 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 417bcbb15530ebe9737622cb7779b35c61f48b49734Tim Gardnerstatic inline bool snd_printd_ratelimit(void) { return false; } 418bcbb15530ebe9737622cb7779b35c61f48b49734Tim Gardner 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* CONFIG_SND_DEBUG */ 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 42162cf872a8eec1f11aacbec0ac3fe3698bfa9b403Takashi Iwai#ifdef CONFIG_SND_DEBUG_VERBOSE 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * snd_printdd - debug printk 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * @format: format string 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 426edab938e63e463da86e4aa7b94628ce8f2b8a137Pavel Machek * Works like snd_printk() for debugging purposes. 42762cf872a8eec1f11aacbec0ac3fe3698bfa9b403Takashi Iwai * Ignored when CONFIG_SND_DEBUG_VERBOSE is not set. 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 42936ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai#define snd_printdd(format, args...) \ 43036ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai __snd_printk(2, __FILE__, __LINE__, format, ##args) 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 43286b2723725a2e186f5699d97cb20014fa893931fTakashi Iwai__printf(1, 2) 43386b2723725a2e186f5699d97cb20014fa893931fTakashi Iwaistatic inline void snd_printdd(const char *format, ...) {} 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SNDRV_OSS_VERSION ((3<<16)|(8<<8)|(1<<4)|(0)) /* 3.8.1a */ 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* for easier backward-porting */ 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if defined(CONFIG_GAMEPORT) || defined(CONFIG_GAMEPORT_MODULE) 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define gameport_set_dev_parent(gp,xdev) ((gp)->dev.parent = (xdev)) 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define gameport_set_port_data(gp,r) ((gp)->port_data = (r)) 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define gameport_get_port_data(gp) (gp)->port_data 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4468422fa110334cea79ab16c474902edb21a8b3168Axel Lin#ifdef CONFIG_PCI 447d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai/* PCI quirk list helper */ 448d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwaistruct snd_pci_quirk { 449d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai unsigned short subvendor; /* PCI subvendor ID */ 450d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai unsigned short subdevice; /* PCI subdevice ID */ 4518bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai unsigned short subdevice_mask; /* bitmask to match */ 452d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai int value; /* value */ 45362cf872a8eec1f11aacbec0ac3fe3698bfa9b403Takashi Iwai#ifdef CONFIG_SND_DEBUG_VERBOSE 454d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai const char *name; /* name of the device (optional) */ 455d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai#endif 456d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai}; 457d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai 4588bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai#define _SND_PCI_QUIRK_ID_MASK(vend, mask, dev) \ 4598bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai .subvendor = (vend), .subdevice = (dev), .subdevice_mask = (mask) 4608bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai#define _SND_PCI_QUIRK_ID(vend, dev) \ 4618bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai _SND_PCI_QUIRK_ID_MASK(vend, 0xffff, dev) 462d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai#define SND_PCI_QUIRK_ID(vend,dev) {_SND_PCI_QUIRK_ID(vend, dev)} 46362cf872a8eec1f11aacbec0ac3fe3698bfa9b403Takashi Iwai#ifdef CONFIG_SND_DEBUG_VERBOSE 464d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai#define SND_PCI_QUIRK(vend,dev,xname,val) \ 465d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai {_SND_PCI_QUIRK_ID(vend, dev), .value = (val), .name = (xname)} 4668bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai#define SND_PCI_QUIRK_VENDOR(vend, xname, val) \ 4678bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai {_SND_PCI_QUIRK_ID_MASK(vend, 0, 0), .value = (val), .name = (xname)} 4688bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai#define SND_PCI_QUIRK_MASK(vend, mask, dev, xname, val) \ 4698bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai {_SND_PCI_QUIRK_ID_MASK(vend, mask, dev), \ 4708bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai .value = (val), .name = (xname)} 47186b2723725a2e186f5699d97cb20014fa893931fTakashi Iwai#define snd_pci_quirk_name(q) ((q)->name) 472d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai#else 473d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai#define SND_PCI_QUIRK(vend,dev,xname,val) \ 474d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai {_SND_PCI_QUIRK_ID(vend, dev), .value = (val)} 4758bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai#define SND_PCI_QUIRK_MASK(vend, mask, dev, xname, val) \ 4768bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai {_SND_PCI_QUIRK_ID_MASK(vend, mask, dev), .value = (val)} 4778bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai#define SND_PCI_QUIRK_VENDOR(vend, xname, val) \ 4788bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai {_SND_PCI_QUIRK_ID_MASK(vend, 0, 0), .value = (val)} 47986b2723725a2e186f5699d97cb20014fa893931fTakashi Iwai#define snd_pci_quirk_name(q) "" 480d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai#endif 481d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai 482d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwaiconst struct snd_pci_quirk * 483d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwaisnd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list); 484d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai 485d1458279bf9c575a52fd22818ca19c463f380abaTakashi Iwaiconst struct snd_pci_quirk * 486d1458279bf9c575a52fd22818ca19c463f380abaTakashi Iwaisnd_pci_quirk_lookup_id(u16 vendor, u16 device, 487d1458279bf9c575a52fd22818ca19c463f380abaTakashi Iwai const struct snd_pci_quirk *list); 4888422fa110334cea79ab16c474902edb21a8b3168Axel Lin#endif 489d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* __SOUND_CORE_H */ 491