diff options
author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /include/sound/core.h |
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'include/sound/core.h')
-rw-r--r-- | include/sound/core.h | 502 |
1 files changed, 502 insertions, 0 deletions
diff --git a/include/sound/core.h b/include/sound/core.h new file mode 100644 index 000000000000..9117c23e3a01 --- /dev/null +++ b/include/sound/core.h | |||
@@ -0,0 +1,502 @@ | |||
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() */ | ||
26 | #include <asm/semaphore.h> /* struct semaphore */ | ||
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 | |||
31 | /* Typedef's */ | ||
32 | typedef struct timespec snd_timestamp_t; | ||
33 | typedef struct sndrv_interval snd_interval_t; | ||
34 | typedef enum sndrv_card_type snd_card_type; | ||
35 | typedef struct sndrv_xferi snd_xferi_t; | ||
36 | typedef struct sndrv_xfern snd_xfern_t; | ||
37 | typedef struct sndrv_xferv snd_xferv_t; | ||
38 | |||
39 | /* forward declarations */ | ||
40 | #ifdef CONFIG_PCI | ||
41 | struct pci_dev; | ||
42 | #endif | ||
43 | #ifdef CONFIG_SBUS | ||
44 | struct sbus_dev; | ||
45 | #endif | ||
46 | |||
47 | /* device allocation stuff */ | ||
48 | |||
49 | #define SNDRV_DEV_TYPE_RANGE_SIZE 0x1000 | ||
50 | |||
51 | typedef enum { | ||
52 | SNDRV_DEV_TOPLEVEL = (0*SNDRV_DEV_TYPE_RANGE_SIZE), | ||
53 | SNDRV_DEV_CONTROL, | ||
54 | SNDRV_DEV_LOWLEVEL_PRE, | ||
55 | SNDRV_DEV_LOWLEVEL_NORMAL = (1*SNDRV_DEV_TYPE_RANGE_SIZE), | ||
56 | SNDRV_DEV_PCM, | ||
57 | SNDRV_DEV_RAWMIDI, | ||
58 | SNDRV_DEV_TIMER, | ||
59 | SNDRV_DEV_SEQUENCER, | ||
60 | SNDRV_DEV_HWDEP, | ||
61 | SNDRV_DEV_INFO, | ||
62 | SNDRV_DEV_BUS, | ||
63 | SNDRV_DEV_CODEC, | ||
64 | SNDRV_DEV_LOWLEVEL = (2*SNDRV_DEV_TYPE_RANGE_SIZE) | ||
65 | } snd_device_type_t; | ||
66 | |||
67 | typedef enum { | ||
68 | SNDRV_DEV_BUILD, | ||
69 | SNDRV_DEV_REGISTERED, | ||
70 | SNDRV_DEV_DISCONNECTED | ||
71 | } snd_device_state_t; | ||
72 | |||
73 | typedef enum { | ||
74 | SNDRV_DEV_CMD_PRE = 0, | ||
75 | SNDRV_DEV_CMD_NORMAL = 1, | ||
76 | SNDRV_DEV_CMD_POST = 2 | ||
77 | } snd_device_cmd_t; | ||
78 | |||
79 | typedef struct _snd_card snd_card_t; | ||
80 | typedef struct _snd_device snd_device_t; | ||
81 | |||
82 | typedef int (snd_dev_free_t)(snd_device_t *device); | ||
83 | typedef int (snd_dev_register_t)(snd_device_t *device); | ||
84 | typedef int (snd_dev_disconnect_t)(snd_device_t *device); | ||
85 | typedef int (snd_dev_unregister_t)(snd_device_t *device); | ||
86 | |||
87 | typedef struct { | ||
88 | snd_dev_free_t *dev_free; | ||
89 | snd_dev_register_t *dev_register; | ||
90 | snd_dev_disconnect_t *dev_disconnect; | ||
91 | snd_dev_unregister_t *dev_unregister; | ||
92 | } snd_device_ops_t; | ||
93 | |||
94 | struct _snd_device { | ||
95 | struct list_head list; /* list of registered devices */ | ||
96 | snd_card_t *card; /* card which holds this device */ | ||
97 | snd_device_state_t state; /* state of the device */ | ||
98 | snd_device_type_t type; /* device type */ | ||
99 | void *device_data; /* device structure */ | ||
100 | snd_device_ops_t *ops; /* operations */ | ||
101 | }; | ||
102 | |||
103 | #define snd_device(n) list_entry(n, snd_device_t, list) | ||
104 | |||
105 | /* various typedefs */ | ||
106 | |||
107 | typedef struct snd_info_entry snd_info_entry_t; | ||
108 | typedef struct _snd_pcm snd_pcm_t; | ||
109 | typedef struct _snd_pcm_str snd_pcm_str_t; | ||
110 | typedef struct _snd_pcm_substream snd_pcm_substream_t; | ||
111 | typedef struct _snd_mixer snd_kmixer_t; | ||
112 | typedef struct _snd_rawmidi snd_rawmidi_t; | ||
113 | typedef struct _snd_ctl_file snd_ctl_file_t; | ||
114 | typedef struct _snd_kcontrol snd_kcontrol_t; | ||
115 | typedef struct _snd_timer snd_timer_t; | ||
116 | typedef struct _snd_timer_instance snd_timer_instance_t; | ||
117 | typedef struct _snd_hwdep snd_hwdep_t; | ||
118 | #if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE) | ||
119 | typedef struct _snd_oss_mixer snd_mixer_oss_t; | ||
120 | #endif | ||
121 | |||
122 | /* monitor files for graceful shutdown (hotplug) */ | ||
123 | |||
124 | struct snd_monitor_file { | ||
125 | struct file *file; | ||
126 | struct snd_monitor_file *next; | ||
127 | }; | ||
128 | |||
129 | struct snd_shutdown_f_ops; /* define it later */ | ||
130 | |||
131 | /* main structure for soundcard */ | ||
132 | |||
133 | struct _snd_card { | ||
134 | int number; /* number of soundcard (index to snd_cards) */ | ||
135 | |||
136 | char id[16]; /* id string of this card */ | ||
137 | char driver[16]; /* driver name */ | ||
138 | char shortname[32]; /* short name of this soundcard */ | ||
139 | char longname[80]; /* name of this soundcard */ | ||
140 | char mixername[80]; /* mixer name */ | ||
141 | char components[80]; /* card components delimited with space */ | ||
142 | |||
143 | struct module *module; /* top-level module */ | ||
144 | |||
145 | void *private_data; /* private data for soundcard */ | ||
146 | void (*private_free) (snd_card_t *card); /* callback for freeing of private data */ | ||
147 | |||
148 | struct list_head devices; /* devices */ | ||
149 | |||
150 | unsigned int last_numid; /* last used numeric ID */ | ||
151 | struct rw_semaphore controls_rwsem; /* controls list lock */ | ||
152 | rwlock_t ctl_files_rwlock; /* ctl_files list lock */ | ||
153 | int controls_count; /* count of all controls */ | ||
154 | int user_ctl_count; /* count of all user controls */ | ||
155 | struct list_head controls; /* all controls for this card */ | ||
156 | struct list_head ctl_files; /* active control files */ | ||
157 | |||
158 | snd_info_entry_t *proc_root; /* root for soundcard specific files */ | ||
159 | snd_info_entry_t *proc_id; /* the card id */ | ||
160 | struct proc_dir_entry *proc_root_link; /* number link to real id */ | ||
161 | |||
162 | struct snd_monitor_file *files; /* all files associated to this card */ | ||
163 | struct snd_shutdown_f_ops *s_f_ops; /* file operations in the shutdown state */ | ||
164 | spinlock_t files_lock; /* lock the files for this card */ | ||
165 | int shutdown; /* this card is going down */ | ||
166 | wait_queue_head_t shutdown_sleep; | ||
167 | struct work_struct free_workq; /* for free in workqueue */ | ||
168 | struct device *dev; | ||
169 | |||
170 | #ifdef CONFIG_PM | ||
171 | int (*pm_suspend)(snd_card_t *card, pm_message_t state); | ||
172 | int (*pm_resume)(snd_card_t *card); | ||
173 | void *pm_private_data; | ||
174 | unsigned int power_state; /* power state */ | ||
175 | struct semaphore power_lock; /* power lock */ | ||
176 | wait_queue_head_t power_sleep; | ||
177 | #ifdef CONFIG_SND_GENERIC_PM | ||
178 | struct snd_generic_device *pm_dev; /* for ISA */ | ||
179 | #endif | ||
180 | #endif | ||
181 | |||
182 | #if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE) | ||
183 | snd_mixer_oss_t *mixer_oss; | ||
184 | int mixer_oss_change_count; | ||
185 | #endif | ||
186 | }; | ||
187 | |||
188 | #ifdef CONFIG_PM | ||
189 | static inline void snd_power_lock(snd_card_t *card) | ||
190 | { | ||
191 | down(&card->power_lock); | ||
192 | } | ||
193 | |||
194 | static inline void snd_power_unlock(snd_card_t *card) | ||
195 | { | ||
196 | up(&card->power_lock); | ||
197 | } | ||
198 | |||
199 | int snd_power_wait(snd_card_t *card, unsigned int power_state, struct file *file); | ||
200 | |||
201 | static inline unsigned int snd_power_get_state(snd_card_t *card) | ||
202 | { | ||
203 | return card->power_state; | ||
204 | } | ||
205 | |||
206 | static inline void snd_power_change_state(snd_card_t *card, unsigned int state) | ||
207 | { | ||
208 | card->power_state = state; | ||
209 | wake_up(&card->power_sleep); | ||
210 | } | ||
211 | int snd_card_set_pm_callback(snd_card_t *card, | ||
212 | int (*suspend)(snd_card_t *, pm_message_t), | ||
213 | int (*resume)(snd_card_t *), | ||
214 | void *private_data); | ||
215 | int snd_card_set_generic_pm_callback(snd_card_t *card, | ||
216 | int (*suspend)(snd_card_t *, pm_message_t), | ||
217 | int (*resume)(snd_card_t *), | ||
218 | void *private_data); | ||
219 | #define snd_card_set_isa_pm_callback(card,suspend,resume,data) \ | ||
220 | snd_card_set_generic_pm_callback(card, suspend, resume, data) | ||
221 | struct pci_dev; | ||
222 | int snd_card_pci_suspend(struct pci_dev *dev, pm_message_t state); | ||
223 | int snd_card_pci_resume(struct pci_dev *dev); | ||
224 | #define SND_PCI_PM_CALLBACKS \ | ||
225 | .suspend = snd_card_pci_suspend, .resume = snd_card_pci_resume | ||
226 | |||
227 | #else /* ! CONFIG_PM */ | ||
228 | |||
229 | #define snd_power_lock(card) do { (void)(card); } while (0) | ||
230 | #define snd_power_unlock(card) do { (void)(card); } while (0) | ||
231 | static inline int snd_power_wait(snd_card_t *card, unsigned int state, struct file *file) { return 0; } | ||
232 | #define snd_power_get_state(card) SNDRV_CTL_POWER_D0 | ||
233 | #define snd_power_change_state(card, state) do { (void)(card); } while (0) | ||
234 | #define snd_card_set_pm_callback(card,suspend,resume,data) | ||
235 | #define snd_card_set_generic_pm_callback(card,suspend,resume,data) | ||
236 | #define snd_card_set_isa_pm_callback(card,suspend,resume,data) | ||
237 | #define SND_PCI_PM_CALLBACKS | ||
238 | |||
239 | #endif /* CONFIG_PM */ | ||
240 | |||
241 | /* device.c */ | ||
242 | |||
243 | struct _snd_minor { | ||
244 | struct list_head list; /* list of all minors per card */ | ||
245 | int number; /* minor number */ | ||
246 | int device; /* device number */ | ||
247 | const char *comment; /* for /proc/asound/devices */ | ||
248 | struct file_operations *f_ops; /* file operations */ | ||
249 | char name[0]; /* device name (keep at the end of structure) */ | ||
250 | }; | ||
251 | |||
252 | typedef struct _snd_minor snd_minor_t; | ||
253 | |||
254 | /* sound.c */ | ||
255 | |||
256 | extern int snd_ecards_limit; | ||
257 | |||
258 | void snd_request_card(int card); | ||
259 | |||
260 | int snd_register_device(int type, snd_card_t *card, int dev, snd_minor_t *reg, const char *name); | ||
261 | int snd_unregister_device(int type, snd_card_t *card, int dev); | ||
262 | |||
263 | #ifdef CONFIG_SND_OSSEMUL | ||
264 | int snd_register_oss_device(int type, snd_card_t *card, int dev, snd_minor_t *reg, const char *name); | ||
265 | int snd_unregister_oss_device(int type, snd_card_t *card, int dev); | ||
266 | #endif | ||
267 | |||
268 | int snd_minor_info_init(void); | ||
269 | int snd_minor_info_done(void); | ||
270 | |||
271 | /* sound_oss.c */ | ||
272 | |||
273 | #ifdef CONFIG_SND_OSSEMUL | ||
274 | int snd_minor_info_oss_init(void); | ||
275 | int snd_minor_info_oss_done(void); | ||
276 | int snd_oss_init_module(void); | ||
277 | #else | ||
278 | #define snd_minor_info_oss_init() /*NOP*/ | ||
279 | #define snd_minor_info_oss_done() /*NOP*/ | ||
280 | #define snd_oss_init_module() 0 | ||
281 | #endif | ||
282 | |||
283 | /* memory.c */ | ||
284 | |||
285 | #ifdef CONFIG_SND_DEBUG_MEMORY | ||
286 | void snd_memory_init(void); | ||
287 | void snd_memory_done(void); | ||
288 | int snd_memory_info_init(void); | ||
289 | int snd_memory_info_done(void); | ||
290 | void *snd_hidden_kmalloc(size_t size, int flags); | ||
291 | void *snd_hidden_kcalloc(size_t n, size_t size, int flags); | ||
292 | void snd_hidden_kfree(const void *obj); | ||
293 | void *snd_hidden_vmalloc(unsigned long size); | ||
294 | void snd_hidden_vfree(void *obj); | ||
295 | #define kmalloc(size, flags) snd_hidden_kmalloc(size, flags) | ||
296 | #define kcalloc(n, size, flags) snd_hidden_kcalloc(n, size, flags) | ||
297 | #define kfree(obj) snd_hidden_kfree(obj) | ||
298 | #define vmalloc(size) snd_hidden_vmalloc(size) | ||
299 | #define vfree(obj) snd_hidden_vfree(obj) | ||
300 | #define kmalloc_nocheck(size, flags) snd_wrapper_kmalloc(size, flags) | ||
301 | #define vmalloc_nocheck(size) snd_wrapper_vmalloc(size) | ||
302 | #define kfree_nocheck(obj) snd_wrapper_kfree(obj) | ||
303 | #define vfree_nocheck(obj) snd_wrapper_vfree(obj) | ||
304 | #else | ||
305 | #define snd_memory_init() /*NOP*/ | ||
306 | #define snd_memory_done() /*NOP*/ | ||
307 | #define snd_memory_info_init() /*NOP*/ | ||
308 | #define snd_memory_info_done() /*NOP*/ | ||
309 | #define kmalloc_nocheck(size, flags) kmalloc(size, flags) | ||
310 | #define vmalloc_nocheck(size) vmalloc(size) | ||
311 | #define kfree_nocheck(obj) kfree(obj) | ||
312 | #define vfree_nocheck(obj) vfree(obj) | ||
313 | #endif | ||
314 | char *snd_kmalloc_strdup(const char *string, int flags); | ||
315 | int copy_to_user_fromio(void __user *dst, const volatile void __iomem *src, size_t count); | ||
316 | int copy_from_user_toio(volatile void __iomem *dst, const void __user *src, size_t count); | ||
317 | |||
318 | /* init.c */ | ||
319 | |||
320 | extern unsigned int snd_cards_lock; | ||
321 | extern snd_card_t *snd_cards[SNDRV_CARDS]; | ||
322 | extern rwlock_t snd_card_rwlock; | ||
323 | #if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE) | ||
324 | #define SND_MIXER_OSS_NOTIFY_REGISTER 0 | ||
325 | #define SND_MIXER_OSS_NOTIFY_DISCONNECT 1 | ||
326 | #define SND_MIXER_OSS_NOTIFY_FREE 2 | ||
327 | extern int (*snd_mixer_oss_notify_callback)(snd_card_t *card, int cmd); | ||
328 | #endif | ||
329 | |||
330 | snd_card_t *snd_card_new(int idx, const char *id, | ||
331 | struct module *module, int extra_size); | ||
332 | int snd_card_disconnect(snd_card_t *card); | ||
333 | int snd_card_free(snd_card_t *card); | ||
334 | int snd_card_free_in_thread(snd_card_t *card); | ||
335 | int snd_card_register(snd_card_t *card); | ||
336 | int snd_card_info_init(void); | ||
337 | int snd_card_info_done(void); | ||
338 | int snd_component_add(snd_card_t *card, const char *component); | ||
339 | int snd_card_file_add(snd_card_t *card, struct file *file); | ||
340 | int snd_card_file_remove(snd_card_t *card, struct file *file); | ||
341 | |||
342 | #ifndef snd_card_set_dev | ||
343 | #define snd_card_set_dev(card,devptr) ((card)->dev = (devptr)) | ||
344 | #endif | ||
345 | |||
346 | /* device.c */ | ||
347 | |||
348 | int snd_device_new(snd_card_t *card, snd_device_type_t type, | ||
349 | void *device_data, snd_device_ops_t *ops); | ||
350 | int snd_device_register(snd_card_t *card, void *device_data); | ||
351 | int snd_device_register_all(snd_card_t *card); | ||
352 | int snd_device_disconnect(snd_card_t *card, void *device_data); | ||
353 | int snd_device_disconnect_all(snd_card_t *card); | ||
354 | int snd_device_free(snd_card_t *card, void *device_data); | ||
355 | int snd_device_free_all(snd_card_t *card, snd_device_cmd_t cmd); | ||
356 | |||
357 | /* isadma.c */ | ||
358 | |||
359 | #define DMA_MODE_NO_ENABLE 0x0100 | ||
360 | |||
361 | void snd_dma_program(unsigned long dma, unsigned long addr, unsigned int size, unsigned short mode); | ||
362 | void snd_dma_disable(unsigned long dma); | ||
363 | unsigned int snd_dma_pointer(unsigned long dma, unsigned int size); | ||
364 | |||
365 | /* misc.c */ | ||
366 | |||
367 | int snd_task_name(struct task_struct *task, char *name, size_t size); | ||
368 | #ifdef CONFIG_SND_VERBOSE_PRINTK | ||
369 | void snd_verbose_printk(const char *file, int line, const char *format, ...) | ||
370 | __attribute__ ((format (printf, 3, 4))); | ||
371 | #endif | ||
372 | #if defined(CONFIG_SND_DEBUG) && defined(CONFIG_SND_VERBOSE_PRINTK) | ||
373 | void snd_verbose_printd(const char *file, int line, const char *format, ...) | ||
374 | __attribute__ ((format (printf, 3, 4))); | ||
375 | #endif | ||
376 | |||
377 | /* --- */ | ||
378 | |||
379 | #ifdef CONFIG_SND_VERBOSE_PRINTK | ||
380 | /** | ||
381 | * snd_printk - printk wrapper | ||
382 | * @fmt: format string | ||
383 | * | ||
384 | * Works like print() but prints the file and the line of the caller | ||
385 | * when configured with CONFIG_SND_VERBOSE_PRINTK. | ||
386 | */ | ||
387 | #define snd_printk(fmt, args...) \ | ||
388 | snd_verbose_printk(__FILE__, __LINE__, fmt ,##args) | ||
389 | #else | ||
390 | #define snd_printk(fmt, args...) \ | ||
391 | printk(fmt ,##args) | ||
392 | #endif | ||
393 | |||
394 | #ifdef CONFIG_SND_DEBUG | ||
395 | |||
396 | #define __ASTRING__(x) #x | ||
397 | |||
398 | #ifdef CONFIG_SND_VERBOSE_PRINTK | ||
399 | /** | ||
400 | * snd_printd - debug printk | ||
401 | * @format: format string | ||
402 | * | ||
403 | * Compiled only when Works like snd_printk() for debugging purpose. | ||
404 | * Ignored when CONFIG_SND_DEBUG is not set. | ||
405 | */ | ||
406 | #define snd_printd(fmt, args...) \ | ||
407 | snd_verbose_printd(__FILE__, __LINE__, fmt ,##args) | ||
408 | #else | ||
409 | #define snd_printd(fmt, args...) \ | ||
410 | printk(fmt ,##args) | ||
411 | #endif | ||
412 | /** | ||
413 | * snd_assert - run-time assersion macro | ||
414 | * @expr: expression | ||
415 | * @args...: the action | ||
416 | * | ||
417 | * This macro checks the expression in run-time and invokes the commands | ||
418 | * given in the rest arguments if the assertion is failed. | ||
419 | * When CONFIG_SND_DEBUG is not set, the expression is executed but | ||
420 | * not checked. | ||
421 | */ | ||
422 | #define snd_assert(expr, args...) do {\ | ||
423 | if (unlikely(!(expr))) { \ | ||
424 | snd_printk(KERN_ERR "BUG? (%s) (called from %p)\n", __ASTRING__(expr), __builtin_return_address(0));\ | ||
425 | args;\ | ||
426 | }\ | ||
427 | } while (0) | ||
428 | /** | ||
429 | * snd_runtime_check - run-time assersion macro | ||
430 | * @expr: expression | ||
431 | * @args...: the action | ||
432 | * | ||
433 | * This macro checks the expression in run-time and invokes the commands | ||
434 | * given in the rest arguments if the assertion is failed. | ||
435 | * Unlike snd_assert(), the action commands are executed even if | ||
436 | * CONFIG_SND_DEBUG is not set but without any error messages. | ||
437 | */ | ||
438 | #define snd_runtime_check(expr, args...) do {\ | ||
439 | if (unlikely(!(expr))) { \ | ||
440 | snd_printk(KERN_ERR "ERROR (%s) (called from %p)\n", __ASTRING__(expr), __builtin_return_address(0));\ | ||
441 | args;\ | ||
442 | }\ | ||
443 | } while (0) | ||
444 | |||
445 | #else /* !CONFIG_SND_DEBUG */ | ||
446 | |||
447 | #define snd_printd(fmt, args...) /* nothing */ | ||
448 | #define snd_assert(expr, args...) (void)(expr) | ||
449 | #define snd_runtime_check(expr, args...) do { if (!(expr)) { args; } } while (0) | ||
450 | |||
451 | #endif /* CONFIG_SND_DEBUG */ | ||
452 | |||
453 | #ifdef CONFIG_SND_DEBUG_DETECT | ||
454 | /** | ||
455 | * snd_printdd - debug printk | ||
456 | * @format: format string | ||
457 | * | ||
458 | * Compiled only when Works like snd_printk() for debugging purpose. | ||
459 | * Ignored when CONFIG_SND_DEBUG_DETECT is not set. | ||
460 | */ | ||
461 | #define snd_printdd(format, args...) snd_printk(format, ##args) | ||
462 | #else | ||
463 | #define snd_printdd(format, args...) /* nothing */ | ||
464 | #endif | ||
465 | |||
466 | #define snd_BUG() snd_assert(0, ) | ||
467 | |||
468 | |||
469 | static inline void snd_timestamp_now(struct timespec *tstamp, int timespec) | ||
470 | { | ||
471 | struct timeval val; | ||
472 | /* FIXME: use a linear time source */ | ||
473 | do_gettimeofday(&val); | ||
474 | tstamp->tv_sec = val.tv_sec; | ||
475 | tstamp->tv_nsec = val.tv_usec; | ||
476 | if (timespec) | ||
477 | tstamp->tv_nsec *= 1000L; | ||
478 | } | ||
479 | |||
480 | static inline void snd_timestamp_zero(struct timespec *tstamp) | ||
481 | { | ||
482 | tstamp->tv_sec = 0; | ||
483 | tstamp->tv_nsec = 0; | ||
484 | } | ||
485 | |||
486 | static inline int snd_timestamp_null(struct timespec *tstamp) | ||
487 | { | ||
488 | return tstamp->tv_sec == 0 && tstamp->tv_nsec == 0; | ||
489 | } | ||
490 | |||
491 | #define SNDRV_OSS_VERSION ((3<<16)|(8<<8)|(1<<4)|(0)) /* 3.8.1a */ | ||
492 | |||
493 | /* for easier backward-porting */ | ||
494 | #if defined(CONFIG_GAMEPORT) || defined(CONFIG_GAMEPORT_MODULE) | ||
495 | #ifndef gameport_set_dev_parent | ||
496 | #define gameport_set_dev_parent(gp,xdev) ((gp)->dev.parent = (xdev)) | ||
497 | #define gameport_set_port_data(gp,r) ((gp)->port_data = (r)) | ||
498 | #define gameport_get_port_data(gp) (gp)->port_data | ||
499 | #endif | ||
500 | #endif | ||
501 | |||
502 | #endif /* __SOUND_CORE_H */ | ||