Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef __SOUND_CORE_H |
| 2 | #define __SOUND_CORE_H |
| 3 | |
| 4 | /* |
| 5 | * Main header file for the ALSA driver |
| 6 | * Copyright (c) 1994-2001 by Jaroslav Kysela <perex@suse.cz> |
| 7 | * |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 22 | * |
| 23 | */ |
| 24 | |
| 25 | #include <linux/sched.h> /* wake_up() */ |
Ingo Molnar | 1a60d4c | 2006-01-16 16:29:08 +0100 | [diff] [blame] | 26 | #include <linux/mutex.h> /* struct mutex */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | #include <linux/rwsem.h> /* struct rw_semaphore */ |
| 28 | #include <linux/workqueue.h> /* struct workqueue_struct */ |
| 29 | #include <linux/pm.h> /* pm_message_t */ |
| 30 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | /* forward declarations */ |
| 32 | #ifdef CONFIG_PCI |
| 33 | struct pci_dev; |
| 34 | #endif |
| 35 | #ifdef CONFIG_SBUS |
| 36 | struct sbus_dev; |
| 37 | #endif |
| 38 | |
| 39 | /* device allocation stuff */ |
| 40 | |
| 41 | #define SNDRV_DEV_TYPE_RANGE_SIZE 0x1000 |
| 42 | |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 43 | typedef int __bitwise snd_device_type_t; |
| 44 | #define SNDRV_DEV_TOPLEVEL ((__force snd_device_type_t) 0) |
| 45 | #define SNDRV_DEV_CONTROL ((__force snd_device_type_t) 1) |
| 46 | #define SNDRV_DEV_LOWLEVEL_PRE ((__force snd_device_type_t) 2) |
| 47 | #define SNDRV_DEV_LOWLEVEL_NORMAL ((__force snd_device_type_t) 0x1000) |
| 48 | #define SNDRV_DEV_PCM ((__force snd_device_type_t) 0x1001) |
| 49 | #define SNDRV_DEV_RAWMIDI ((__force snd_device_type_t) 0x1002) |
| 50 | #define SNDRV_DEV_TIMER ((__force snd_device_type_t) 0x1003) |
| 51 | #define SNDRV_DEV_SEQUENCER ((__force snd_device_type_t) 0x1004) |
| 52 | #define SNDRV_DEV_HWDEP ((__force snd_device_type_t) 0x1005) |
| 53 | #define SNDRV_DEV_INFO ((__force snd_device_type_t) 0x1006) |
| 54 | #define SNDRV_DEV_BUS ((__force snd_device_type_t) 0x1007) |
| 55 | #define SNDRV_DEV_CODEC ((__force snd_device_type_t) 0x1008) |
| 56 | #define SNDRV_DEV_LOWLEVEL ((__force snd_device_type_t) 0x2000) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 57 | |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 58 | typedef int __bitwise snd_device_state_t; |
| 59 | #define SNDRV_DEV_BUILD ((__force snd_device_state_t) 0) |
| 60 | #define SNDRV_DEV_REGISTERED ((__force snd_device_state_t) 1) |
| 61 | #define SNDRV_DEV_DISCONNECTED ((__force snd_device_state_t) 2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 63 | typedef int __bitwise snd_device_cmd_t; |
| 64 | #define SNDRV_DEV_CMD_PRE ((__force snd_device_cmd_t) 0) |
| 65 | #define SNDRV_DEV_CMD_NORMAL ((__force snd_device_cmd_t) 1) |
| 66 | #define SNDRV_DEV_CMD_POST ((__force snd_device_cmd_t) 2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 68 | struct snd_device; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 70 | struct snd_device_ops { |
| 71 | int (*dev_free)(struct snd_device *dev); |
| 72 | int (*dev_register)(struct snd_device *dev); |
| 73 | int (*dev_disconnect)(struct snd_device *dev); |
| 74 | int (*dev_unregister)(struct snd_device *dev); |
| 75 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 77 | struct snd_device { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 78 | struct list_head list; /* list of registered devices */ |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 79 | struct snd_card *card; /* card which holds this device */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 80 | snd_device_state_t state; /* state of the device */ |
| 81 | snd_device_type_t type; /* device type */ |
| 82 | void *device_data; /* device structure */ |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 83 | struct snd_device_ops *ops; /* operations */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 84 | }; |
| 85 | |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 86 | #define snd_device(n) list_entry(n, struct snd_device, list) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | |
| 88 | /* monitor files for graceful shutdown (hotplug) */ |
| 89 | |
| 90 | struct snd_monitor_file { |
| 91 | struct file *file; |
| 92 | struct snd_monitor_file *next; |
| 93 | }; |
| 94 | |
Henrik Kretzschmar | d5750f6 | 2005-06-29 19:31:06 +0200 | [diff] [blame] | 95 | struct snd_shutdown_f_ops; /* define it later in init.c */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | |
| 97 | /* main structure for soundcard */ |
| 98 | |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 99 | struct snd_card { |
Henrik Kretzschmar | d5750f6 | 2005-06-29 19:31:06 +0200 | [diff] [blame] | 100 | int number; /* number of soundcard (index to |
| 101 | snd_cards) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 102 | |
| 103 | char id[16]; /* id string of this card */ |
| 104 | char driver[16]; /* driver name */ |
| 105 | char shortname[32]; /* short name of this soundcard */ |
| 106 | char longname[80]; /* name of this soundcard */ |
| 107 | char mixername[80]; /* mixer name */ |
Henrik Kretzschmar | d5750f6 | 2005-06-29 19:31:06 +0200 | [diff] [blame] | 108 | char components[80]; /* card components delimited with |
| 109 | space */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 110 | struct module *module; /* top-level module */ |
| 111 | |
| 112 | void *private_data; /* private data for soundcard */ |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 113 | void (*private_free) (struct snd_card *card); /* callback for freeing of |
Henrik Kretzschmar | d5750f6 | 2005-06-29 19:31:06 +0200 | [diff] [blame] | 114 | private data */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 115 | struct list_head devices; /* devices */ |
| 116 | |
| 117 | unsigned int last_numid; /* last used numeric ID */ |
| 118 | struct rw_semaphore controls_rwsem; /* controls list lock */ |
| 119 | rwlock_t ctl_files_rwlock; /* ctl_files list lock */ |
| 120 | int controls_count; /* count of all controls */ |
| 121 | int user_ctl_count; /* count of all user controls */ |
| 122 | struct list_head controls; /* all controls for this card */ |
| 123 | struct list_head ctl_files; /* active control files */ |
| 124 | |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 125 | struct snd_info_entry *proc_root; /* root for soundcard specific files */ |
| 126 | struct snd_info_entry *proc_id; /* the card id */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 127 | struct proc_dir_entry *proc_root_link; /* number link to real id */ |
| 128 | |
| 129 | struct snd_monitor_file *files; /* all files associated to this card */ |
Henrik Kretzschmar | d5750f6 | 2005-06-29 19:31:06 +0200 | [diff] [blame] | 130 | struct snd_shutdown_f_ops *s_f_ops; /* file operations in the shutdown |
| 131 | state */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | spinlock_t files_lock; /* lock the files for this card */ |
| 133 | int shutdown; /* this card is going down */ |
| 134 | wait_queue_head_t shutdown_sleep; |
| 135 | struct work_struct free_workq; /* for free in workqueue */ |
| 136 | struct device *dev; |
| 137 | |
| 138 | #ifdef CONFIG_PM |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | unsigned int power_state; /* power state */ |
Ingo Molnar | 1a60d4c | 2006-01-16 16:29:08 +0100 | [diff] [blame] | 140 | struct mutex power_lock; /* power lock */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | wait_queue_head_t power_sleep; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 142 | #endif |
| 143 | |
| 144 | #if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE) |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 145 | struct snd_mixer_oss *mixer_oss; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 146 | int mixer_oss_change_count; |
| 147 | #endif |
| 148 | }; |
| 149 | |
| 150 | #ifdef CONFIG_PM |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 151 | static inline void snd_power_lock(struct snd_card *card) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 152 | { |
Ingo Molnar | 1a60d4c | 2006-01-16 16:29:08 +0100 | [diff] [blame] | 153 | mutex_lock(&card->power_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 154 | } |
| 155 | |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 156 | static inline void snd_power_unlock(struct snd_card *card) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 157 | { |
Ingo Molnar | 1a60d4c | 2006-01-16 16:29:08 +0100 | [diff] [blame] | 158 | mutex_unlock(&card->power_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | } |
| 160 | |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 161 | static inline unsigned int snd_power_get_state(struct snd_card *card) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 162 | { |
| 163 | return card->power_state; |
| 164 | } |
| 165 | |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 166 | static inline void snd_power_change_state(struct snd_card *card, unsigned int state) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 167 | { |
| 168 | card->power_state = state; |
| 169 | wake_up(&card->power_sleep); |
| 170 | } |
Henrik Kretzschmar | d5750f6 | 2005-06-29 19:31:06 +0200 | [diff] [blame] | 171 | |
| 172 | /* init.c */ |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 173 | int snd_power_wait(struct snd_card *card, unsigned int power_state, struct file *file); |
Henrik Kretzschmar | d5750f6 | 2005-06-29 19:31:06 +0200 | [diff] [blame] | 174 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 175 | #else /* ! CONFIG_PM */ |
| 176 | |
| 177 | #define snd_power_lock(card) do { (void)(card); } while (0) |
| 178 | #define snd_power_unlock(card) do { (void)(card); } while (0) |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 179 | static inline int snd_power_wait(struct snd_card *card, unsigned int state, struct file *file) { return 0; } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 180 | #define snd_power_get_state(card) SNDRV_CTL_POWER_D0 |
| 181 | #define snd_power_change_state(card, state) do { (void)(card); } while (0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 182 | |
| 183 | #endif /* CONFIG_PM */ |
| 184 | |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 185 | struct snd_minor { |
Clemens Ladisch | 2af677f | 2005-11-20 14:03:48 +0100 | [diff] [blame] | 186 | int type; /* SNDRV_DEVICE_TYPE_XXX */ |
Clemens Ladisch | 6983b72 | 2005-11-20 14:05:49 +0100 | [diff] [blame] | 187 | int card; /* card number */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 188 | int device; /* device number */ |
Arjan van de Ven | 99ac48f | 2006-03-28 01:56:41 -0800 | [diff] [blame] | 189 | const struct file_operations *f_ops; /* file operations */ |
Clemens Ladisch | f87135f | 2005-11-20 14:06:59 +0100 | [diff] [blame] | 190 | void *private_data; /* private data for f_ops->open */ |
Henrik Kretzschmar | d5750f6 | 2005-06-29 19:31:06 +0200 | [diff] [blame] | 191 | char name[0]; /* device name (keep at the end of |
| 192 | structure) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 193 | }; |
| 194 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 195 | /* sound.c */ |
| 196 | |
Clemens Ladisch | f190286 | 2005-10-24 17:05:03 +0200 | [diff] [blame] | 197 | extern int snd_major; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 198 | extern int snd_ecards_limit; |
| 199 | |
| 200 | void snd_request_card(int card); |
| 201 | |
Clemens Ladisch | 2af677f | 2005-11-20 14:03:48 +0100 | [diff] [blame] | 202 | int snd_register_device(int type, struct snd_card *card, int dev, |
Arjan van de Ven | 99ac48f | 2006-03-28 01:56:41 -0800 | [diff] [blame] | 203 | const struct file_operations *f_ops, void *private_data, |
Clemens Ladisch | f87135f | 2005-11-20 14:06:59 +0100 | [diff] [blame] | 204 | const char *name); |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 205 | int snd_unregister_device(int type, struct snd_card *card, int dev); |
Clemens Ladisch | f87135f | 2005-11-20 14:06:59 +0100 | [diff] [blame] | 206 | void *snd_lookup_minor_data(unsigned int minor, int type); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 207 | |
| 208 | #ifdef CONFIG_SND_OSSEMUL |
Clemens Ladisch | 2af677f | 2005-11-20 14:03:48 +0100 | [diff] [blame] | 209 | int snd_register_oss_device(int type, struct snd_card *card, int dev, |
Arjan van de Ven | 99ac48f | 2006-03-28 01:56:41 -0800 | [diff] [blame] | 210 | const struct file_operations *f_ops, void *private_data, |
Clemens Ladisch | f87135f | 2005-11-20 14:06:59 +0100 | [diff] [blame] | 211 | const char *name); |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 212 | int snd_unregister_oss_device(int type, struct snd_card *card, int dev); |
Clemens Ladisch | f87135f | 2005-11-20 14:06:59 +0100 | [diff] [blame] | 213 | void *snd_lookup_oss_minor_data(unsigned int minor, int type); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 214 | #endif |
| 215 | |
| 216 | int snd_minor_info_init(void); |
| 217 | int snd_minor_info_done(void); |
| 218 | |
| 219 | /* sound_oss.c */ |
| 220 | |
| 221 | #ifdef CONFIG_SND_OSSEMUL |
| 222 | int snd_minor_info_oss_init(void); |
| 223 | int snd_minor_info_oss_done(void); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 224 | #else |
| 225 | #define snd_minor_info_oss_init() /*NOP*/ |
| 226 | #define snd_minor_info_oss_done() /*NOP*/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 227 | #endif |
| 228 | |
| 229 | /* memory.c */ |
| 230 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 231 | int copy_to_user_fromio(void __user *dst, const volatile void __iomem *src, size_t count); |
| 232 | int copy_from_user_toio(volatile void __iomem *dst, const void __user *src, size_t count); |
| 233 | |
| 234 | /* init.c */ |
| 235 | |
| 236 | extern unsigned int snd_cards_lock; |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 237 | extern struct snd_card *snd_cards[SNDRV_CARDS]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 238 | extern rwlock_t snd_card_rwlock; |
| 239 | #if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE) |
| 240 | #define SND_MIXER_OSS_NOTIFY_REGISTER 0 |
| 241 | #define SND_MIXER_OSS_NOTIFY_DISCONNECT 1 |
| 242 | #define SND_MIXER_OSS_NOTIFY_FREE 2 |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 243 | extern int (*snd_mixer_oss_notify_callback)(struct snd_card *card, int cmd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 244 | #endif |
| 245 | |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 246 | struct snd_card *snd_card_new(int idx, const char *id, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 247 | struct module *module, int extra_size); |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 248 | int snd_card_disconnect(struct snd_card *card); |
| 249 | int snd_card_free(struct snd_card *card); |
| 250 | int snd_card_free_in_thread(struct snd_card *card); |
| 251 | int snd_card_register(struct snd_card *card); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 252 | int snd_card_info_init(void); |
| 253 | int snd_card_info_done(void); |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 254 | int snd_component_add(struct snd_card *card, const char *component); |
| 255 | int snd_card_file_add(struct snd_card *card, struct file *file); |
| 256 | int snd_card_file_remove(struct snd_card *card, struct file *file); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 257 | |
| 258 | #ifndef snd_card_set_dev |
| 259 | #define snd_card_set_dev(card,devptr) ((card)->dev = (devptr)) |
| 260 | #endif |
| 261 | |
| 262 | /* device.c */ |
| 263 | |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 264 | int snd_device_new(struct snd_card *card, snd_device_type_t type, |
| 265 | void *device_data, struct snd_device_ops *ops); |
| 266 | int snd_device_register(struct snd_card *card, void *device_data); |
| 267 | int snd_device_register_all(struct snd_card *card); |
| 268 | int snd_device_disconnect(struct snd_card *card, void *device_data); |
| 269 | int snd_device_disconnect_all(struct snd_card *card); |
| 270 | int snd_device_free(struct snd_card *card, void *device_data); |
| 271 | int snd_device_free_all(struct snd_card *card, snd_device_cmd_t cmd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 272 | |
| 273 | /* isadma.c */ |
| 274 | |
Al Viro | 276bd31 | 2005-08-23 22:45:06 +0100 | [diff] [blame] | 275 | #ifdef CONFIG_ISA_DMA_API |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 276 | #define DMA_MODE_NO_ENABLE 0x0100 |
| 277 | |
| 278 | void snd_dma_program(unsigned long dma, unsigned long addr, unsigned int size, unsigned short mode); |
| 279 | void snd_dma_disable(unsigned long dma); |
| 280 | unsigned int snd_dma_pointer(unsigned long dma, unsigned int size); |
Al Viro | 276bd31 | 2005-08-23 22:45:06 +0100 | [diff] [blame] | 281 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 282 | |
| 283 | /* misc.c */ |
Takashi Iwai | b709e57 | 2005-10-11 17:28:58 +0200 | [diff] [blame] | 284 | struct resource; |
Takashi Iwai | b1d5776 | 2005-10-10 11:56:31 +0200 | [diff] [blame] | 285 | void release_and_free_resource(struct resource *res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 286 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 287 | #ifdef CONFIG_SND_VERBOSE_PRINTK |
| 288 | void snd_verbose_printk(const char *file, int line, const char *format, ...) |
| 289 | __attribute__ ((format (printf, 3, 4))); |
| 290 | #endif |
| 291 | #if defined(CONFIG_SND_DEBUG) && defined(CONFIG_SND_VERBOSE_PRINTK) |
| 292 | void snd_verbose_printd(const char *file, int line, const char *format, ...) |
| 293 | __attribute__ ((format (printf, 3, 4))); |
| 294 | #endif |
| 295 | |
| 296 | /* --- */ |
| 297 | |
| 298 | #ifdef CONFIG_SND_VERBOSE_PRINTK |
| 299 | /** |
| 300 | * snd_printk - printk wrapper |
| 301 | * @fmt: format string |
| 302 | * |
| 303 | * Works like print() but prints the file and the line of the caller |
| 304 | * when configured with CONFIG_SND_VERBOSE_PRINTK. |
| 305 | */ |
| 306 | #define snd_printk(fmt, args...) \ |
| 307 | snd_verbose_printk(__FILE__, __LINE__, fmt ,##args) |
| 308 | #else |
| 309 | #define snd_printk(fmt, args...) \ |
| 310 | printk(fmt ,##args) |
| 311 | #endif |
| 312 | |
| 313 | #ifdef CONFIG_SND_DEBUG |
| 314 | |
| 315 | #define __ASTRING__(x) #x |
| 316 | |
| 317 | #ifdef CONFIG_SND_VERBOSE_PRINTK |
| 318 | /** |
| 319 | * snd_printd - debug printk |
Martin Waitz | 0863afb | 2006-01-09 20:53:55 -0800 | [diff] [blame] | 320 | * @fmt: format string |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 321 | * |
| 322 | * Compiled only when Works like snd_printk() for debugging purpose. |
| 323 | * Ignored when CONFIG_SND_DEBUG is not set. |
| 324 | */ |
| 325 | #define snd_printd(fmt, args...) \ |
| 326 | snd_verbose_printd(__FILE__, __LINE__, fmt ,##args) |
| 327 | #else |
| 328 | #define snd_printd(fmt, args...) \ |
| 329 | printk(fmt ,##args) |
| 330 | #endif |
| 331 | /** |
Henrik Kretzschmar | d5750f6 | 2005-06-29 19:31:06 +0200 | [diff] [blame] | 332 | * snd_assert - run-time assertion macro |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 333 | * @expr: expression |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 334 | * |
| 335 | * This macro checks the expression in run-time and invokes the commands |
| 336 | * given in the rest arguments if the assertion is failed. |
| 337 | * When CONFIG_SND_DEBUG is not set, the expression is executed but |
| 338 | * not checked. |
| 339 | */ |
Takashi Iwai | 7c22f1a | 2005-10-10 11:46:31 +0200 | [diff] [blame] | 340 | #define snd_assert(expr, args...) do { \ |
| 341 | if (unlikely(!(expr))) { \ |
| 342 | snd_printk(KERN_ERR "BUG? (%s)\n", __ASTRING__(expr)); \ |
| 343 | dump_stack(); \ |
| 344 | args; \ |
| 345 | } \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 346 | } while (0) |
Takashi Iwai | 7c22f1a | 2005-10-10 11:46:31 +0200 | [diff] [blame] | 347 | |
| 348 | #define snd_BUG() do { \ |
| 349 | snd_printk(KERN_ERR "BUG?\n"); \ |
| 350 | dump_stack(); \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 351 | } while (0) |
| 352 | |
| 353 | #else /* !CONFIG_SND_DEBUG */ |
| 354 | |
| 355 | #define snd_printd(fmt, args...) /* nothing */ |
| 356 | #define snd_assert(expr, args...) (void)(expr) |
Takashi Iwai | 7c22f1a | 2005-10-10 11:46:31 +0200 | [diff] [blame] | 357 | #define snd_BUG() /* nothing */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 358 | |
| 359 | #endif /* CONFIG_SND_DEBUG */ |
| 360 | |
| 361 | #ifdef CONFIG_SND_DEBUG_DETECT |
| 362 | /** |
| 363 | * snd_printdd - debug printk |
| 364 | * @format: format string |
| 365 | * |
| 366 | * Compiled only when Works like snd_printk() for debugging purpose. |
| 367 | * Ignored when CONFIG_SND_DEBUG_DETECT is not set. |
| 368 | */ |
| 369 | #define snd_printdd(format, args...) snd_printk(format, ##args) |
| 370 | #else |
| 371 | #define snd_printdd(format, args...) /* nothing */ |
| 372 | #endif |
| 373 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 374 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 375 | #define SNDRV_OSS_VERSION ((3<<16)|(8<<8)|(1<<4)|(0)) /* 3.8.1a */ |
| 376 | |
| 377 | /* for easier backward-porting */ |
| 378 | #if defined(CONFIG_GAMEPORT) || defined(CONFIG_GAMEPORT_MODULE) |
| 379 | #ifndef gameport_set_dev_parent |
| 380 | #define gameport_set_dev_parent(gp,xdev) ((gp)->dev.parent = (xdev)) |
| 381 | #define gameport_set_port_data(gp,r) ((gp)->port_data = (r)) |
| 382 | #define gameport_get_port_data(gp) (gp)->port_data |
| 383 | #endif |
| 384 | #endif |
| 385 | |
Takashi Iwai | 512bbd6 | 2005-11-17 13:51:18 +0100 | [diff] [blame] | 386 | #include "typedefs.h" |
| 387 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 388 | #endif /* __SOUND_CORE_H */ |