core.h revision f0a220dedd59e23cec7a9a057b3f2f415f47fac6
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 49289ca025ee1d78223e3368801fc2b984e5efbfc7Takashi Iwai/* type of the object used in snd_device_*() 50289ca025ee1d78223e3368801fc2b984e5efbfc7Takashi Iwai * this also defines the calling order 51289ca025ee1d78223e3368801fc2b984e5efbfc7Takashi Iwai */ 529ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwaienum snd_device_type { 53289ca025ee1d78223e3368801fc2b984e5efbfc7Takashi Iwai SNDRV_DEV_LOWLEVEL, 54289ca025ee1d78223e3368801fc2b984e5efbfc7Takashi Iwai SNDRV_DEV_CONTROL, 55289ca025ee1d78223e3368801fc2b984e5efbfc7Takashi Iwai SNDRV_DEV_INFO, 56289ca025ee1d78223e3368801fc2b984e5efbfc7Takashi Iwai SNDRV_DEV_BUS, 57289ca025ee1d78223e3368801fc2b984e5efbfc7Takashi Iwai SNDRV_DEV_CODEC, 589ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_PCM, 59289ca025ee1d78223e3368801fc2b984e5efbfc7Takashi Iwai SNDRV_DEV_COMPRESS, 609ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_RAWMIDI, 619ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_TIMER, 629ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_SEQUENCER, 639ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_HWDEP, 649ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_JACK, 659ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai}; 669ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai 679ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwaienum snd_device_state { 689ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_BUILD, 699ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_REGISTERED, 709ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai SNDRV_DEV_DISCONNECTED, 719ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai}; 729ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai 73512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistruct snd_device; 74512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai 75512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistruct snd_device_ops { 76512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai int (*dev_free)(struct snd_device *dev); 77512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai int (*dev_register)(struct snd_device *dev); 78512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai int (*dev_disconnect)(struct snd_device *dev); 79512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai}; 80512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai 81512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistruct snd_device { 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct list_head list; /* list of registered devices */ 83512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai struct snd_card *card; /* card which holds this device */ 849ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai enum snd_device_state state; /* state of the device */ 859ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwai enum snd_device_type type; /* device type */ 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *device_data; /* device structure */ 87512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai struct snd_device_ops *ops; /* operations */ 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 90512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai#define snd_device(n) list_entry(n, struct snd_device, list) 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* main structure for soundcard */ 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 94512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistruct snd_card { 95d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar int number; /* number of soundcard (index to 96d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar snd_cards) */ 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char id[16]; /* id string of this card */ 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char driver[16]; /* driver name */ 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char shortname[32]; /* short name of this soundcard */ 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char longname[80]; /* name of this soundcard */ 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char mixername[80]; /* mixer name */ 103ff33f2303b0ea8e5ac15af91de8d8538a5d58db1Takashi Iwai char components[128]; /* card components delimited with 104d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar space */ 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct module *module; /* top-level module */ 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *private_data; /* private data for soundcard */ 108512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai void (*private_free) (struct snd_card *card); /* callback for freeing of 109d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar private data */ 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct list_head devices; /* devices */ 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int last_numid; /* last used numeric ID */ 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct rw_semaphore controls_rwsem; /* controls list lock */ 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rwlock_t ctl_files_rwlock; /* ctl_files list lock */ 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int controls_count; /* count of all controls */ 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int user_ctl_count; /* count of all user controls */ 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct list_head controls; /* all controls for this card */ 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct list_head ctl_files; /* active control files */ 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 120512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai struct snd_info_entry *proc_root; /* root for soundcard specific files */ 121512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai struct snd_info_entry *proc_id; /* the card id */ 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct proc_dir_entry *proc_root_link; /* number link to real id */ 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 124118dd6bfe7e0cddc8ab417ead19cc76000e92773Takashi Iwai struct list_head files_list; /* all files associated to this card */ 125d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar struct snd_shutdown_f_ops *s_f_ops; /* file operations in the shutdown 126d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar state */ 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spinlock_t files_lock; /* lock the files for this card */ 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int shutdown; /* this card is going down */ 129f24640648186b59bd39f8cd640d631bdb61a3197Takashi Iwai struct completion *release_completion; 1307d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai struct device *dev; /* device assigned to this card */ 1318bfb181c17d20956f156e84638912e00e1aaca86Takashi Iwai struct device card_dev; /* cardX object for sysfs */ 1328bfb181c17d20956f156e84638912e00e1aaca86Takashi Iwai bool registered; /* card_dev is registered? */ 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_PM 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int power_state; /* power state */ 1361a60d4c5a0c4028559585a74e48593b16e1ca9b2Ingo Molnar struct mutex power_lock; /* power lock */ 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wait_queue_head_t power_sleep; 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE) 141512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai struct snd_mixer_oss *mixer_oss; 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int mixer_oss_change_count; 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1468bfb181c17d20956f156e84638912e00e1aaca86Takashi Iwai#define dev_to_snd_card(p) container_of(p, struct snd_card, card_dev) 1478bfb181c17d20956f156e84638912e00e1aaca86Takashi Iwai 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_PM 149512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistatic inline void snd_power_lock(struct snd_card *card) 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1511a60d4c5a0c4028559585a74e48593b16e1ca9b2Ingo Molnar mutex_lock(&card->power_lock); 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 154512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistatic inline void snd_power_unlock(struct snd_card *card) 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1561a60d4c5a0c4028559585a74e48593b16e1ca9b2Ingo Molnar mutex_unlock(&card->power_lock); 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 159512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistatic inline unsigned int snd_power_get_state(struct snd_card *card) 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return card->power_state; 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 164512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistatic inline void snd_power_change_state(struct snd_card *card, unsigned int state) 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->power_state = state; 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wake_up(&card->power_sleep); 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 169d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar 170d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar/* init.c */ 171cbac4b0cb62d01cb0aaec7778410b8856f01186bTakashi Iwaiint snd_power_wait(struct snd_card *card, unsigned int power_state); 172d5750f67853350373fc1d5698c3a58ea16eddf4cHenrik Kretzschmar 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else /* ! CONFIG_PM */ 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_power_lock(card) do { (void)(card); } while (0) 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_power_unlock(card) do { (void)(card); } while (0) 1776fdb94bd95dc7a2effcbffa7a1d9e792cade57b6Linus Torvaldsstatic inline int snd_power_wait(struct snd_card *card, unsigned int state) { return 0; } 178363129ea90e0835b8552b797714cd200f674e287Mike Frysinger#define snd_power_get_state(card) ({ (void)(card); SNDRV_CTL_POWER_D0; }) 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_power_change_state(card, state) do { (void)(card); } while (0) 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* CONFIG_PM */ 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 183512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaistruct snd_minor { 1842af677fc884fc6dc79e65c99050ea607ac8bab9bClemens Ladisch int type; /* SNDRV_DEVICE_TYPE_XXX */ 1856983b7240cd229787c3ee00e663ea94ea649d96aClemens Ladisch int card; /* card number */ 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int device; /* device number */ 18799ac48f54a91d02140c497edc31dc57d4bc5c85dArjan van de Ven const struct file_operations *f_ops; /* file operations */ 188f87135f56cb266e031f5ec081dfbde7e43f55e80Clemens Ladisch void *private_data; /* private data for f_ops->open */ 189d80f19fab89cba8a6d16193154c8ff3edab00942Greg Kroah-Hartman struct device *dev; /* device for sysfs */ 190a0830dbd4e42b38aefdf3fb61ba5019a1a99ea85Takashi Iwai struct snd_card *card_ptr; /* assigned card instance */ 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1937d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai/* return a device pointer linked to each sound device as a parent */ 1947d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwaistatic inline struct device *snd_card_get_device_link(struct snd_card *card) 1957d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai{ 1968bfb181c17d20956f156e84638912e00e1aaca86Takashi Iwai return card ? &card->card_dev : NULL; 1977d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai} 1987d2aae1e88660cf09be913e9754e45189dc33412Takashi Iwai 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* sound.c */ 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 201f1902860161ff212c515e7ea629e880fec856a37Clemens Ladischextern int snd_major; 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern int snd_ecards_limit; 203d80f19fab89cba8a6d16193154c8ff3edab00942Greg Kroah-Hartmanextern struct class *sound_class; 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid snd_request_card(int card); 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20712b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Bergint snd_register_device_for_dev(int type, struct snd_card *card, 20812b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg int dev, 20912b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg const struct file_operations *f_ops, 21012b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg void *private_data, 21112b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg const char *name, 21212b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg struct device *device); 21312b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg 21412b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg/** 21512b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * snd_register_device - Register the ALSA device file for the card 21612b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * @type: the device type, SNDRV_DEVICE_TYPE_XXX 21712b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * @card: the card instance 21812b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * @dev: the device index 21912b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * @f_ops: the file operations 22012b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * @private_data: user pointer for f_ops->open() 22112b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * @name: the device file name 22212b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * 22312b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * Registers an ALSA device file for the given card. 22412b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * The operators have to be set in reg parameter. 22512b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * 22612b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * This function uses the card's device pointer to link to the 22712b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * correct &struct device. 22812b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg * 229eb7c06e8e9c93b495e355421cffd3c43c266d7d2Yacine Belkadi * Return: Zero if successful, or a negative error code on failure. 23012b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg */ 23112b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Bergstatic inline int snd_register_device(int type, struct snd_card *card, int dev, 23212b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg const struct file_operations *f_ops, 23312b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg void *private_data, 23412b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg const char *name) 23512b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg{ 23612b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg return snd_register_device_for_dev(type, card, dev, f_ops, 23712b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg private_data, name, 238c2902c8ae06762d941fab64198467f78cab6f8cdTakashi Iwai snd_card_get_device_link(card)); 23912b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg} 24012b131c4cf3eb1dc8a60082a434b7b100774c2e7Johannes Berg 241512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_unregister_device(int type, struct snd_card *card, int dev); 242f87135f56cb266e031f5ec081dfbde7e43f55e80Clemens Ladischvoid *snd_lookup_minor_data(unsigned int minor, int type); 243caa751bad444268d756b48ca03d7cceda3430cc8Takashi Iwaistruct device *snd_get_device(int type, struct snd_card *card, int dev); 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_SND_OSSEMUL 2462af677fc884fc6dc79e65c99050ea607ac8bab9bClemens Ladischint snd_register_oss_device(int type, struct snd_card *card, int dev, 24780d7d771ae839d6fc2286f443ad8445b6721a7f3Takashi Iwai const struct file_operations *f_ops, void *private_data); 248512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_unregister_oss_device(int type, struct snd_card *card, int dev); 249f87135f56cb266e031f5ec081dfbde7e43f55e80Clemens Ladischvoid *snd_lookup_oss_minor_data(unsigned int minor, int type); 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint snd_minor_info_init(void); 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint snd_minor_info_done(void); 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* sound_oss.c */ 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_SND_OSSEMUL 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint snd_minor_info_oss_init(void); 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint snd_minor_info_oss_done(void); 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 261ad5fada51d33b408ad3d2d0848ef6744b5daf06fPavel Machekstatic inline int snd_minor_info_oss_init(void) { return 0; } 262ad5fada51d33b408ad3d2d0848ef6744b5daf06fPavel Machekstatic inline int snd_minor_info_oss_done(void) { return 0; } 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* memory.c */ 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint copy_to_user_fromio(void __user *dst, const volatile void __iomem *src, size_t count); 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint copy_from_user_toio(volatile void __iomem *dst, const void __user *src, size_t count); 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* init.c */ 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 272512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiextern struct snd_card *snd_cards[SNDRV_CARDS]; 273746df94898554b3d8e91d855e934852e626c701cTakashi Iwaiint snd_card_locked(int card); 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE) 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SND_MIXER_OSS_NOTIFY_REGISTER 0 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SND_MIXER_OSS_NOTIFY_DISCONNECT 1 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SND_MIXER_OSS_NOTIFY_FREE 2 278512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiextern int (*snd_mixer_oss_notify_callback)(struct snd_card *card, int cmd); 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 281393aa9c1cc514774332d7bc861307a76206e358dTakashi Iwaiint snd_card_new(struct device *parent, int idx, const char *xid, 282393aa9c1cc514774332d7bc861307a76206e358dTakashi Iwai struct module *module, int extra_size, 283393aa9c1cc514774332d7bc861307a76206e358dTakashi Iwai struct snd_card **card_ret); 284393aa9c1cc514774332d7bc861307a76206e358dTakashi Iwai 285393aa9c1cc514774332d7bc861307a76206e358dTakashi Iwaistatic inline int __deprecated 286393aa9c1cc514774332d7bc861307a76206e358dTakashi Iwaisnd_card_create(int idx, const char *id, struct module *module, int extra_size, 287393aa9c1cc514774332d7bc861307a76206e358dTakashi Iwai struct snd_card **ret) 288393aa9c1cc514774332d7bc861307a76206e358dTakashi Iwai{ 289393aa9c1cc514774332d7bc861307a76206e358dTakashi Iwai return snd_card_new(NULL, idx, id, module, extra_size, ret); 290393aa9c1cc514774332d7bc861307a76206e358dTakashi Iwai} 29153fb1e63599438bd5f6fbb852023d80916d83983Takashi Iwai 292512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_card_disconnect(struct snd_card *card); 293512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_card_free(struct snd_card *card); 294c461482c8072bb073e6146db320d3da85cdc89adTakashi Iwaiint snd_card_free_when_closed(struct snd_card *card); 29510a8ebbb08c4b08292598947bbe534e04d6ee705Jaroslav Kyselavoid snd_card_set_id(struct snd_card *card, const char *id); 296512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_card_register(struct snd_card *card); 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint snd_card_info_init(void); 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint snd_card_info_done(void); 299512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_component_add(struct snd_card *card, const char *component); 300512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_card_file_add(struct snd_card *card, struct file *file); 301512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_card_file_remove(struct snd_card *card, struct file *file); 302f24640648186b59bd39f8cd640d631bdb61a3197Takashi Iwai#define snd_card_unref(card) put_device(&(card)->card_dev) 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 304edab938e63e463da86e4aa7b94628ce8f2b8a137Pavel Machek#define snd_card_set_dev(card, devptr) ((card)->dev = (devptr)) 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* device.c */ 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3089ce5054363c6ec7e38d0c6c39bd116ec4f7d6480Takashi Iwaiint snd_device_new(struct snd_card *card, enum snd_device_type type, 309512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwai void *device_data, struct snd_device_ops *ops); 310512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_device_register(struct snd_card *card, void *device_data); 311512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_device_register_all(struct snd_card *card); 312512bbd6a85230f16389f0dd51925472e72fc8a91Takashi Iwaiint snd_device_disconnect_all(struct snd_card *card); 31372620d6048445bda3f748c97fb2f18e47b19a9e5Takashi Iwaivoid snd_device_free(struct snd_card *card, void *device_data); 31472620d6048445bda3f748c97fb2f18e47b19a9e5Takashi Iwaivoid snd_device_free_all(struct snd_card *card); 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* isadma.c */ 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 318276bd31ce5af01350465861af7aa6a25864eb108Al Viro#ifdef CONFIG_ISA_DMA_API 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DMA_MODE_NO_ENABLE 0x0100 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid snd_dma_program(unsigned long dma, unsigned long addr, unsigned int size, unsigned short mode); 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid snd_dma_disable(unsigned long dma); 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsunsigned int snd_dma_pointer(unsigned long dma, unsigned int size); 324276bd31ce5af01350465861af7aa6a25864eb108Al Viro#endif 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* misc.c */ 327b709e57440b9d5f38b8c73e1310127d51777bba0Takashi Iwaistruct resource; 328b1d5776d865951c213a1caaab5d8bf5de7615dbdTakashi Iwaivoid release_and_free_resource(struct resource *res); 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* --- */ 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 332fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wu/* sound printk debug levels */ 333fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wuenum { 334fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wu SND_PR_ALWAYS, 335fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wu SND_PR_DEBUG, 336fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wu SND_PR_VERBOSE, 337fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wu}; 338fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wu 33936ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai#if defined(CONFIG_SND_DEBUG) || defined(CONFIG_SND_VERBOSE_PRINTK) 340b9075fa968a0a4347aef35e235e2995c0e57ddddJoe Perches__printf(4, 5) 34136ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwaivoid __snd_printk(unsigned int level, const char *file, int line, 342b9075fa968a0a4347aef35e235e2995c0e57ddddJoe Perches const char *format, ...); 34336ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai#else 34436ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai#define __snd_printk(level, file, line, format, args...) \ 345cf0baf16c3a3b3dd67ea3df346479032ab10e988Takashi Iwai printk(format, ##args) 34636ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai#endif 34736ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * snd_printk - printk wrapper 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * @fmt: format string 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 352f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * Works like printk() but prints the file and the line of the caller 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * when configured with CONFIG_SND_VERBOSE_PRINTK. 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_printk(fmt, args...) \ 35636ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai __snd_printk(0, __FILE__, __LINE__, fmt, ##args) 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_SND_DEBUG 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * snd_printd - debug printk 3610863afb32b77fc89c7110b3d10fb048cb56bb1b5Martin Waitz * @fmt: format string 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 363edab938e63e463da86e4aa7b94628ce8f2b8a137Pavel Machek * Works like snd_printk() for debugging purposes. 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Ignored when CONFIG_SND_DEBUG is not set. 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define snd_printd(fmt, args...) \ 36736ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai __snd_printk(1, __FILE__, __LINE__, fmt, ##args) 368fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wu#define _snd_printd(level, fmt, args...) \ 369fae3d88a5c56c3f836e95c4516da883a48612437Fengguang Wu __snd_printk(level, __FILE__, __LINE__, fmt, ##args) 3707c22f1aaa23370bf9ba2dd3abbccbed70dced216Takashi Iwai 371f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai/** 372f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * snd_BUG - give a BUG warning message and stack trace 373f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * 374f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * Calls WARN() if CONFIG_SND_DEBUG is set. 375f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * Ignored when CONFIG_SND_DEBUG is not set. 376f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai */ 377bdbecf50064b75ecce2e10ce2621de0d0fac7de6Takashi Iwai#define snd_BUG() WARN(1, "BUG?\n") 378f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai 379f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai/** 380bcbb15530ebe9737622cb7779b35c61f48b49734Tim Gardner * Suppress high rates of output when CONFIG_SND_DEBUG is enabled. 381bcbb15530ebe9737622cb7779b35c61f48b49734Tim Gardner */ 382bcbb15530ebe9737622cb7779b35c61f48b49734Tim Gardner#define snd_printd_ratelimit() printk_ratelimit() 383bcbb15530ebe9737622cb7779b35c61f48b49734Tim Gardner 384bcbb15530ebe9737622cb7779b35c61f48b49734Tim Gardner/** 385f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * snd_BUG_ON - debugging check macro 386f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * @cond: condition to evaluate 387f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai * 388d5702162f85526319c848c667df49ee1754dccefChristine Spang * Has the same behavior as WARN_ON when CONFIG_SND_DEBUG is set, 389d5702162f85526319c848c667df49ee1754dccefChristine Spang * otherwise just evaluates the conditional and returns the value. 390f66fcedc84dd06d42a0dba3894d238498509e8b7Takashi Iwai */ 391d5702162f85526319c848c667df49ee1754dccefChristine Spang#define snd_BUG_ON(cond) WARN_ON((cond)) 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else /* !CONFIG_SND_DEBUG */ 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 39586b2723725a2e186f5699d97cb20014fa893931fTakashi Iwai__printf(1, 2) 39686b2723725a2e186f5699d97cb20014fa893931fTakashi Iwaistatic inline void snd_printd(const char *format, ...) {} 39786b2723725a2e186f5699d97cb20014fa893931fTakashi Iwai__printf(2, 3) 39886b2723725a2e186f5699d97cb20014fa893931fTakashi Iwaistatic inline void _snd_printd(int level, const char *format, ...) {} 39986b2723725a2e186f5699d97cb20014fa893931fTakashi Iwai 400fcef7836a31c6432b41a38867d413ed3d6aa8261Andrew Morton#define snd_BUG() do { } while (0) 401d5702162f85526319c848c667df49ee1754dccefChristine Spang 402d5702162f85526319c848c667df49ee1754dccefChristine Spang#define snd_BUG_ON(condition) ({ \ 403d5702162f85526319c848c667df49ee1754dccefChristine Spang int __ret_warn_on = !!(condition); \ 404d5702162f85526319c848c667df49ee1754dccefChristine Spang unlikely(__ret_warn_on); \ 405d5702162f85526319c848c667df49ee1754dccefChristine Spang}) 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 407bcbb15530ebe9737622cb7779b35c61f48b49734Tim Gardnerstatic inline bool snd_printd_ratelimit(void) { return false; } 408bcbb15530ebe9737622cb7779b35c61f48b49734Tim Gardner 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* CONFIG_SND_DEBUG */ 4101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 41162cf872a8eec1f11aacbec0ac3fe3698bfa9b403Takashi Iwai#ifdef CONFIG_SND_DEBUG_VERBOSE 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * snd_printdd - debug printk 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * @format: format string 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 416edab938e63e463da86e4aa7b94628ce8f2b8a137Pavel Machek * Works like snd_printk() for debugging purposes. 41762cf872a8eec1f11aacbec0ac3fe3698bfa9b403Takashi Iwai * Ignored when CONFIG_SND_DEBUG_VERBOSE is not set. 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 41936ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai#define snd_printdd(format, args...) \ 42036ce99c1dcab2978fc1900f19b431adedd8f99f6Takashi Iwai __snd_printk(2, __FILE__, __LINE__, format, ##args) 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 42286b2723725a2e186f5699d97cb20014fa893931fTakashi Iwai__printf(1, 2) 42386b2723725a2e186f5699d97cb20014fa893931fTakashi Iwaistatic inline void snd_printdd(const char *format, ...) {} 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SNDRV_OSS_VERSION ((3<<16)|(8<<8)|(1<<4)|(0)) /* 3.8.1a */ 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* for easier backward-porting */ 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if defined(CONFIG_GAMEPORT) || defined(CONFIG_GAMEPORT_MODULE) 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define gameport_set_dev_parent(gp,xdev) ((gp)->dev.parent = (xdev)) 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define gameport_set_port_data(gp,r) ((gp)->port_data = (r)) 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define gameport_get_port_data(gp) (gp)->port_data 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 436d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai/* PCI quirk list helper */ 437d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwaistruct snd_pci_quirk { 438d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai unsigned short subvendor; /* PCI subvendor ID */ 439d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai unsigned short subdevice; /* PCI subdevice ID */ 4408bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai unsigned short subdevice_mask; /* bitmask to match */ 441d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai int value; /* value */ 44262cf872a8eec1f11aacbec0ac3fe3698bfa9b403Takashi Iwai#ifdef CONFIG_SND_DEBUG_VERBOSE 443d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai const char *name; /* name of the device (optional) */ 444d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai#endif 445d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai}; 446d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai 4478bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai#define _SND_PCI_QUIRK_ID_MASK(vend, mask, dev) \ 4488bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai .subvendor = (vend), .subdevice = (dev), .subdevice_mask = (mask) 4498bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai#define _SND_PCI_QUIRK_ID(vend, dev) \ 4508bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai _SND_PCI_QUIRK_ID_MASK(vend, 0xffff, dev) 451d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai#define SND_PCI_QUIRK_ID(vend,dev) {_SND_PCI_QUIRK_ID(vend, dev)} 45262cf872a8eec1f11aacbec0ac3fe3698bfa9b403Takashi Iwai#ifdef CONFIG_SND_DEBUG_VERBOSE 453d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai#define SND_PCI_QUIRK(vend,dev,xname,val) \ 454d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai {_SND_PCI_QUIRK_ID(vend, dev), .value = (val), .name = (xname)} 4558bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai#define SND_PCI_QUIRK_VENDOR(vend, xname, val) \ 4568bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai {_SND_PCI_QUIRK_ID_MASK(vend, 0, 0), .value = (val), .name = (xname)} 4578bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai#define SND_PCI_QUIRK_MASK(vend, mask, dev, xname, val) \ 4588bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai {_SND_PCI_QUIRK_ID_MASK(vend, mask, dev), \ 4598bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai .value = (val), .name = (xname)} 46086b2723725a2e186f5699d97cb20014fa893931fTakashi Iwai#define snd_pci_quirk_name(q) ((q)->name) 461d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai#else 462d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai#define SND_PCI_QUIRK(vend,dev,xname,val) \ 463d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai {_SND_PCI_QUIRK_ID(vend, dev), .value = (val)} 4648bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai#define SND_PCI_QUIRK_MASK(vend, mask, dev, xname, val) \ 4658bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai {_SND_PCI_QUIRK_ID_MASK(vend, mask, dev), .value = (val)} 4668bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai#define SND_PCI_QUIRK_VENDOR(vend, xname, val) \ 4678bd4bb7a35e8ebb015a531218614c48e10a3c4eeTakashi Iwai {_SND_PCI_QUIRK_ID_MASK(vend, 0, 0), .value = (val)} 46886b2723725a2e186f5699d97cb20014fa893931fTakashi Iwai#define snd_pci_quirk_name(q) "" 469d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai#endif 470d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai 471f0a220dedd59e23cec7a9a057b3f2f415f47fac6Dylan Reid#ifdef CONFIG_PCI 472d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwaiconst struct snd_pci_quirk * 473d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwaisnd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list); 474d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai 475d1458279bf9c575a52fd22818ca19c463f380abaTakashi Iwaiconst struct snd_pci_quirk * 476d1458279bf9c575a52fd22818ca19c463f380abaTakashi Iwaisnd_pci_quirk_lookup_id(u16 vendor, u16 device, 477d1458279bf9c575a52fd22818ca19c463f380abaTakashi Iwai const struct snd_pci_quirk *list); 478f0a220dedd59e23cec7a9a057b3f2f415f47fac6Dylan Reid#else 479f0a220dedd59e23cec7a9a057b3f2f415f47fac6Dylan Reidstatic inline const struct snd_pci_quirk * 480f0a220dedd59e23cec7a9a057b3f2f415f47fac6Dylan Reidsnd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list) 481f0a220dedd59e23cec7a9a057b3f2f415f47fac6Dylan Reid{ 482f0a220dedd59e23cec7a9a057b3f2f415f47fac6Dylan Reid return NULL; 483f0a220dedd59e23cec7a9a057b3f2f415f47fac6Dylan Reid} 484f0a220dedd59e23cec7a9a057b3f2f415f47fac6Dylan Reid 485f0a220dedd59e23cec7a9a057b3f2f415f47fac6Dylan Reidstatic inline const struct snd_pci_quirk * 486f0a220dedd59e23cec7a9a057b3f2f415f47fac6Dylan Reidsnd_pci_quirk_lookup_id(u16 vendor, u16 device, 487f0a220dedd59e23cec7a9a057b3f2f415f47fac6Dylan Reid const struct snd_pci_quirk *list) 488f0a220dedd59e23cec7a9a057b3f2f415f47fac6Dylan Reid{ 489f0a220dedd59e23cec7a9a057b3f2f415f47fac6Dylan Reid return NULL; 490f0a220dedd59e23cec7a9a057b3f2f415f47fac6Dylan Reid} 4918422fa110334cea79ab16c474902edb21a8b3168Axel Lin#endif 492d9ea472c743ccd7344055cb118bc210befbd8007Takashi Iwai 4931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* __SOUND_CORE_H */ 494