Root/
1 | /* |
2 | * Dummy soundcard |
3 | * Copyright (c) by Jaroslav Kysela <perex@perex.cz> |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify |
6 | * it under the terms of the GNU General Public License as published by |
7 | * the Free Software Foundation; either version 2 of the License, or |
8 | * (at your option) any later version. |
9 | * |
10 | * This program is distributed in the hope that it will be useful, |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | * GNU General Public License for more details. |
14 | * |
15 | * You should have received a copy of the GNU General Public License |
16 | * along with this program; if not, write to the Free Software |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
18 | * |
19 | */ |
20 | |
21 | #include <linux/init.h> |
22 | #include <linux/err.h> |
23 | #include <linux/platform_device.h> |
24 | #include <linux/jiffies.h> |
25 | #include <linux/slab.h> |
26 | #include <linux/time.h> |
27 | #include <linux/wait.h> |
28 | #include <linux/hrtimer.h> |
29 | #include <linux/math64.h> |
30 | #include <linux/moduleparam.h> |
31 | #include <sound/core.h> |
32 | #include <sound/control.h> |
33 | #include <sound/tlv.h> |
34 | #include <sound/pcm.h> |
35 | #include <sound/rawmidi.h> |
36 | #include <sound/info.h> |
37 | #include <sound/initval.h> |
38 | |
39 | MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); |
40 | MODULE_DESCRIPTION("Dummy soundcard (/dev/null)"); |
41 | MODULE_LICENSE("GPL"); |
42 | MODULE_SUPPORTED_DEVICE("{{ALSA,Dummy soundcard}}"); |
43 | |
44 | #define MAX_PCM_DEVICES 4 |
45 | #define MAX_PCM_SUBSTREAMS 128 |
46 | #define MAX_MIDI_DEVICES 2 |
47 | |
48 | #if 0 /* emu10k1 emulation */ |
49 | #define MAX_BUFFER_SIZE (128 * 1024) |
50 | static int emu10k1_playback_constraints(struct snd_pcm_runtime *runtime) |
51 | { |
52 | int err; |
53 | err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); |
54 | if (err < 0) |
55 | return err; |
56 | err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX); |
57 | if (err < 0) |
58 | return err; |
59 | return 0; |
60 | } |
61 | #define add_playback_constraints emu10k1_playback_constraints |
62 | #endif |
63 | |
64 | #if 0 /* RME9652 emulation */ |
65 | #define MAX_BUFFER_SIZE (26 * 64 * 1024) |
66 | #define USE_FORMATS SNDRV_PCM_FMTBIT_S32_LE |
67 | #define USE_CHANNELS_MIN 26 |
68 | #define USE_CHANNELS_MAX 26 |
69 | #define USE_PERIODS_MIN 2 |
70 | #define USE_PERIODS_MAX 2 |
71 | #endif |
72 | |
73 | #if 0 /* ICE1712 emulation */ |
74 | #define MAX_BUFFER_SIZE (256 * 1024) |
75 | #define USE_FORMATS SNDRV_PCM_FMTBIT_S32_LE |
76 | #define USE_CHANNELS_MIN 10 |
77 | #define USE_CHANNELS_MAX 10 |
78 | #define USE_PERIODS_MIN 1 |
79 | #define USE_PERIODS_MAX 1024 |
80 | #endif |
81 | |
82 | #if 0 /* UDA1341 emulation */ |
83 | #define MAX_BUFFER_SIZE (16380) |
84 | #define USE_FORMATS SNDRV_PCM_FMTBIT_S16_LE |
85 | #define USE_CHANNELS_MIN 2 |
86 | #define USE_CHANNELS_MAX 2 |
87 | #define USE_PERIODS_MIN 2 |
88 | #define USE_PERIODS_MAX 255 |
89 | #endif |
90 | |
91 | #if 0 /* simple AC97 bridge (intel8x0) with 48kHz AC97 only codec */ |
92 | #define USE_FORMATS SNDRV_PCM_FMTBIT_S16_LE |
93 | #define USE_CHANNELS_MIN 2 |
94 | #define USE_CHANNELS_MAX 2 |
95 | #define USE_RATE SNDRV_PCM_RATE_48000 |
96 | #define USE_RATE_MIN 48000 |
97 | #define USE_RATE_MAX 48000 |
98 | #endif |
99 | |
100 | #if 0 /* CA0106 */ |
101 | #define USE_FORMATS SNDRV_PCM_FMTBIT_S16_LE |
102 | #define USE_CHANNELS_MIN 2 |
103 | #define USE_CHANNELS_MAX 2 |
104 | #define USE_RATE (SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_192000) |
105 | #define USE_RATE_MIN 48000 |
106 | #define USE_RATE_MAX 192000 |
107 | #define MAX_BUFFER_SIZE ((65536-64)*8) |
108 | #define MAX_PERIOD_SIZE (65536-64) |
109 | #define USE_PERIODS_MIN 2 |
110 | #define USE_PERIODS_MAX 8 |
111 | #endif |
112 | |
113 | |
114 | /* defaults */ |
115 | #ifndef MAX_BUFFER_SIZE |
116 | #define MAX_BUFFER_SIZE (64*1024) |
117 | #endif |
118 | #ifndef MAX_PERIOD_SIZE |
119 | #define MAX_PERIOD_SIZE MAX_BUFFER_SIZE |
120 | #endif |
121 | #ifndef USE_FORMATS |
122 | #define USE_FORMATS (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE) |
123 | #endif |
124 | #ifndef USE_RATE |
125 | #define USE_RATE SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000 |
126 | #define USE_RATE_MIN 5500 |
127 | #define USE_RATE_MAX 48000 |
128 | #endif |
129 | #ifndef USE_CHANNELS_MIN |
130 | #define USE_CHANNELS_MIN 1 |
131 | #endif |
132 | #ifndef USE_CHANNELS_MAX |
133 | #define USE_CHANNELS_MAX 2 |
134 | #endif |
135 | #ifndef USE_PERIODS_MIN |
136 | #define USE_PERIODS_MIN 1 |
137 | #endif |
138 | #ifndef USE_PERIODS_MAX |
139 | #define USE_PERIODS_MAX 1024 |
140 | #endif |
141 | #ifndef add_playback_constraints |
142 | #define add_playback_constraints(x) 0 |
143 | #endif |
144 | #ifndef add_capture_constraints |
145 | #define add_capture_constraints(x) 0 |
146 | #endif |
147 | |
148 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ |
149 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ |
150 | static int enable[SNDRV_CARDS] = {1, [1 ... (SNDRV_CARDS - 1)] = 0}; |
151 | static int pcm_devs[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1}; |
152 | static int pcm_substreams[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 8}; |
153 | //static int midi_devs[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2}; |
154 | #ifdef CONFIG_HIGH_RES_TIMERS |
155 | static int hrtimer = 1; |
156 | #endif |
157 | static int fake_buffer = 1; |
158 | |
159 | module_param_array(index, int, NULL, 0444); |
160 | MODULE_PARM_DESC(index, "Index value for dummy soundcard."); |
161 | module_param_array(id, charp, NULL, 0444); |
162 | MODULE_PARM_DESC(id, "ID string for dummy soundcard."); |
163 | module_param_array(enable, bool, NULL, 0444); |
164 | MODULE_PARM_DESC(enable, "Enable this dummy soundcard."); |
165 | module_param_array(pcm_devs, int, NULL, 0444); |
166 | MODULE_PARM_DESC(pcm_devs, "PCM devices # (0-4) for dummy driver."); |
167 | module_param_array(pcm_substreams, int, NULL, 0444); |
168 | MODULE_PARM_DESC(pcm_substreams, "PCM substreams # (1-128) for dummy driver."); |
169 | //module_param_array(midi_devs, int, NULL, 0444); |
170 | //MODULE_PARM_DESC(midi_devs, "MIDI devices # (0-2) for dummy driver."); |
171 | module_param(fake_buffer, bool, 0444); |
172 | MODULE_PARM_DESC(fake_buffer, "Fake buffer allocations."); |
173 | #ifdef CONFIG_HIGH_RES_TIMERS |
174 | module_param(hrtimer, bool, 0644); |
175 | MODULE_PARM_DESC(hrtimer, "Use hrtimer as the timer source."); |
176 | #endif |
177 | |
178 | static struct platform_device *devices[SNDRV_CARDS]; |
179 | |
180 | #define MIXER_ADDR_MASTER 0 |
181 | #define MIXER_ADDR_LINE 1 |
182 | #define MIXER_ADDR_MIC 2 |
183 | #define MIXER_ADDR_SYNTH 3 |
184 | #define MIXER_ADDR_CD 4 |
185 | #define MIXER_ADDR_LAST 4 |
186 | |
187 | struct dummy_timer_ops { |
188 | int (*create)(struct snd_pcm_substream *); |
189 | void (*free)(struct snd_pcm_substream *); |
190 | int (*prepare)(struct snd_pcm_substream *); |
191 | int (*start)(struct snd_pcm_substream *); |
192 | int (*stop)(struct snd_pcm_substream *); |
193 | snd_pcm_uframes_t (*pointer)(struct snd_pcm_substream *); |
194 | }; |
195 | |
196 | struct snd_dummy { |
197 | struct snd_card *card; |
198 | struct snd_pcm *pcm; |
199 | spinlock_t mixer_lock; |
200 | int mixer_volume[MIXER_ADDR_LAST+1][2]; |
201 | int capture_source[MIXER_ADDR_LAST+1][2]; |
202 | const struct dummy_timer_ops *timer_ops; |
203 | }; |
204 | |
205 | /* |
206 | * system timer interface |
207 | */ |
208 | |
209 | struct dummy_systimer_pcm { |
210 | spinlock_t lock; |
211 | struct timer_list timer; |
212 | unsigned long base_time; |
213 | unsigned int frac_pos; /* fractional sample position (based HZ) */ |
214 | unsigned int frac_period_rest; |
215 | unsigned int frac_buffer_size; /* buffer_size * HZ */ |
216 | unsigned int frac_period_size; /* period_size * HZ */ |
217 | unsigned int rate; |
218 | int elapsed; |
219 | struct snd_pcm_substream *substream; |
220 | }; |
221 | |
222 | static void dummy_systimer_rearm(struct dummy_systimer_pcm *dpcm) |
223 | { |
224 | dpcm->timer.expires = jiffies + |
225 | (dpcm->frac_period_rest + dpcm->rate - 1) / dpcm->rate; |
226 | add_timer(&dpcm->timer); |
227 | } |
228 | |
229 | static void dummy_systimer_update(struct dummy_systimer_pcm *dpcm) |
230 | { |
231 | unsigned long delta; |
232 | |
233 | delta = jiffies - dpcm->base_time; |
234 | if (!delta) |
235 | return; |
236 | dpcm->base_time += delta; |
237 | delta *= dpcm->rate; |
238 | dpcm->frac_pos += delta; |
239 | while (dpcm->frac_pos >= dpcm->frac_buffer_size) |
240 | dpcm->frac_pos -= dpcm->frac_buffer_size; |
241 | while (dpcm->frac_period_rest <= delta) { |
242 | dpcm->elapsed++; |
243 | dpcm->frac_period_rest += dpcm->frac_period_size; |
244 | } |
245 | dpcm->frac_period_rest -= delta; |
246 | } |
247 | |
248 | static int dummy_systimer_start(struct snd_pcm_substream *substream) |
249 | { |
250 | struct dummy_systimer_pcm *dpcm = substream->runtime->private_data; |
251 | spin_lock(&dpcm->lock); |
252 | dpcm->base_time = jiffies; |
253 | dummy_systimer_rearm(dpcm); |
254 | spin_unlock(&dpcm->lock); |
255 | return 0; |
256 | } |
257 | |
258 | static int dummy_systimer_stop(struct snd_pcm_substream *substream) |
259 | { |
260 | struct dummy_systimer_pcm *dpcm = substream->runtime->private_data; |
261 | spin_lock(&dpcm->lock); |
262 | del_timer(&dpcm->timer); |
263 | spin_unlock(&dpcm->lock); |
264 | return 0; |
265 | } |
266 | |
267 | static int dummy_systimer_prepare(struct snd_pcm_substream *substream) |
268 | { |
269 | struct snd_pcm_runtime *runtime = substream->runtime; |
270 | struct dummy_systimer_pcm *dpcm = runtime->private_data; |
271 | |
272 | dpcm->frac_pos = 0; |
273 | dpcm->rate = runtime->rate; |
274 | dpcm->frac_buffer_size = runtime->buffer_size * HZ; |
275 | dpcm->frac_period_size = runtime->period_size * HZ; |
276 | dpcm->frac_period_rest = dpcm->frac_period_size; |
277 | dpcm->elapsed = 0; |
278 | |
279 | return 0; |
280 | } |
281 | |
282 | static void dummy_systimer_callback(unsigned long data) |
283 | { |
284 | struct dummy_systimer_pcm *dpcm = (struct dummy_systimer_pcm *)data; |
285 | unsigned long flags; |
286 | int elapsed = 0; |
287 | |
288 | spin_lock_irqsave(&dpcm->lock, flags); |
289 | dummy_systimer_update(dpcm); |
290 | dummy_systimer_rearm(dpcm); |
291 | elapsed = dpcm->elapsed; |
292 | dpcm->elapsed = 0; |
293 | spin_unlock_irqrestore(&dpcm->lock, flags); |
294 | if (elapsed) |
295 | snd_pcm_period_elapsed(dpcm->substream); |
296 | } |
297 | |
298 | static snd_pcm_uframes_t |
299 | dummy_systimer_pointer(struct snd_pcm_substream *substream) |
300 | { |
301 | struct dummy_systimer_pcm *dpcm = substream->runtime->private_data; |
302 | snd_pcm_uframes_t pos; |
303 | |
304 | spin_lock(&dpcm->lock); |
305 | dummy_systimer_update(dpcm); |
306 | pos = dpcm->frac_pos / HZ; |
307 | spin_unlock(&dpcm->lock); |
308 | return pos; |
309 | } |
310 | |
311 | static int dummy_systimer_create(struct snd_pcm_substream *substream) |
312 | { |
313 | struct dummy_systimer_pcm *dpcm; |
314 | |
315 | dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL); |
316 | if (!dpcm) |
317 | return -ENOMEM; |
318 | substream->runtime->private_data = dpcm; |
319 | init_timer(&dpcm->timer); |
320 | dpcm->timer.data = (unsigned long) dpcm; |
321 | dpcm->timer.function = dummy_systimer_callback; |
322 | spin_lock_init(&dpcm->lock); |
323 | dpcm->substream = substream; |
324 | return 0; |
325 | } |
326 | |
327 | static void dummy_systimer_free(struct snd_pcm_substream *substream) |
328 | { |
329 | kfree(substream->runtime->private_data); |
330 | } |
331 | |
332 | static struct dummy_timer_ops dummy_systimer_ops = { |
333 | .create = dummy_systimer_create, |
334 | .free = dummy_systimer_free, |
335 | .prepare = dummy_systimer_prepare, |
336 | .start = dummy_systimer_start, |
337 | .stop = dummy_systimer_stop, |
338 | .pointer = dummy_systimer_pointer, |
339 | }; |
340 | |
341 | #ifdef CONFIG_HIGH_RES_TIMERS |
342 | /* |
343 | * hrtimer interface |
344 | */ |
345 | |
346 | struct dummy_hrtimer_pcm { |
347 | ktime_t base_time; |
348 | ktime_t period_time; |
349 | atomic_t running; |
350 | struct hrtimer timer; |
351 | struct tasklet_struct tasklet; |
352 | struct snd_pcm_substream *substream; |
353 | }; |
354 | |
355 | static void dummy_hrtimer_pcm_elapsed(unsigned long priv) |
356 | { |
357 | struct dummy_hrtimer_pcm *dpcm = (struct dummy_hrtimer_pcm *)priv; |
358 | if (atomic_read(&dpcm->running)) |
359 | snd_pcm_period_elapsed(dpcm->substream); |
360 | } |
361 | |
362 | static enum hrtimer_restart dummy_hrtimer_callback(struct hrtimer *timer) |
363 | { |
364 | struct dummy_hrtimer_pcm *dpcm; |
365 | |
366 | dpcm = container_of(timer, struct dummy_hrtimer_pcm, timer); |
367 | if (!atomic_read(&dpcm->running)) |
368 | return HRTIMER_NORESTART; |
369 | tasklet_schedule(&dpcm->tasklet); |
370 | hrtimer_forward_now(timer, dpcm->period_time); |
371 | return HRTIMER_RESTART; |
372 | } |
373 | |
374 | static int dummy_hrtimer_start(struct snd_pcm_substream *substream) |
375 | { |
376 | struct dummy_hrtimer_pcm *dpcm = substream->runtime->private_data; |
377 | |
378 | dpcm->base_time = hrtimer_cb_get_time(&dpcm->timer); |
379 | hrtimer_start(&dpcm->timer, dpcm->period_time, HRTIMER_MODE_REL); |
380 | atomic_set(&dpcm->running, 1); |
381 | return 0; |
382 | } |
383 | |
384 | static int dummy_hrtimer_stop(struct snd_pcm_substream *substream) |
385 | { |
386 | struct dummy_hrtimer_pcm *dpcm = substream->runtime->private_data; |
387 | |
388 | atomic_set(&dpcm->running, 0); |
389 | hrtimer_cancel(&dpcm->timer); |
390 | return 0; |
391 | } |
392 | |
393 | static inline void dummy_hrtimer_sync(struct dummy_hrtimer_pcm *dpcm) |
394 | { |
395 | tasklet_kill(&dpcm->tasklet); |
396 | } |
397 | |
398 | static snd_pcm_uframes_t |
399 | dummy_hrtimer_pointer(struct snd_pcm_substream *substream) |
400 | { |
401 | struct snd_pcm_runtime *runtime = substream->runtime; |
402 | struct dummy_hrtimer_pcm *dpcm = runtime->private_data; |
403 | u64 delta; |
404 | u32 pos; |
405 | |
406 | delta = ktime_us_delta(hrtimer_cb_get_time(&dpcm->timer), |
407 | dpcm->base_time); |
408 | delta = div_u64(delta * runtime->rate + 999999, 1000000); |
409 | div_u64_rem(delta, runtime->buffer_size, &pos); |
410 | return pos; |
411 | } |
412 | |
413 | static int dummy_hrtimer_prepare(struct snd_pcm_substream *substream) |
414 | { |
415 | struct snd_pcm_runtime *runtime = substream->runtime; |
416 | struct dummy_hrtimer_pcm *dpcm = runtime->private_data; |
417 | unsigned int period, rate; |
418 | long sec; |
419 | unsigned long nsecs; |
420 | |
421 | dummy_hrtimer_sync(dpcm); |
422 | period = runtime->period_size; |
423 | rate = runtime->rate; |
424 | sec = period / rate; |
425 | period %= rate; |
426 | nsecs = div_u64((u64)period * 1000000000UL + rate - 1, rate); |
427 | dpcm->period_time = ktime_set(sec, nsecs); |
428 | |
429 | return 0; |
430 | } |
431 | |
432 | static int dummy_hrtimer_create(struct snd_pcm_substream *substream) |
433 | { |
434 | struct dummy_hrtimer_pcm *dpcm; |
435 | |
436 | dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL); |
437 | if (!dpcm) |
438 | return -ENOMEM; |
439 | substream->runtime->private_data = dpcm; |
440 | hrtimer_init(&dpcm->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); |
441 | dpcm->timer.function = dummy_hrtimer_callback; |
442 | dpcm->substream = substream; |
443 | atomic_set(&dpcm->running, 0); |
444 | tasklet_init(&dpcm->tasklet, dummy_hrtimer_pcm_elapsed, |
445 | (unsigned long)dpcm); |
446 | return 0; |
447 | } |
448 | |
449 | static void dummy_hrtimer_free(struct snd_pcm_substream *substream) |
450 | { |
451 | struct dummy_hrtimer_pcm *dpcm = substream->runtime->private_data; |
452 | dummy_hrtimer_sync(dpcm); |
453 | kfree(dpcm); |
454 | } |
455 | |
456 | static struct dummy_timer_ops dummy_hrtimer_ops = { |
457 | .create = dummy_hrtimer_create, |
458 | .free = dummy_hrtimer_free, |
459 | .prepare = dummy_hrtimer_prepare, |
460 | .start = dummy_hrtimer_start, |
461 | .stop = dummy_hrtimer_stop, |
462 | .pointer = dummy_hrtimer_pointer, |
463 | }; |
464 | |
465 | #endif /* CONFIG_HIGH_RES_TIMERS */ |
466 | |
467 | /* |
468 | * PCM interface |
469 | */ |
470 | |
471 | static int dummy_pcm_trigger(struct snd_pcm_substream *substream, int cmd) |
472 | { |
473 | struct snd_dummy *dummy = snd_pcm_substream_chip(substream); |
474 | |
475 | switch (cmd) { |
476 | case SNDRV_PCM_TRIGGER_START: |
477 | case SNDRV_PCM_TRIGGER_RESUME: |
478 | return dummy->timer_ops->start(substream); |
479 | case SNDRV_PCM_TRIGGER_STOP: |
480 | case SNDRV_PCM_TRIGGER_SUSPEND: |
481 | return dummy->timer_ops->stop(substream); |
482 | } |
483 | return -EINVAL; |
484 | } |
485 | |
486 | static int dummy_pcm_prepare(struct snd_pcm_substream *substream) |
487 | { |
488 | struct snd_dummy *dummy = snd_pcm_substream_chip(substream); |
489 | |
490 | return dummy->timer_ops->prepare(substream); |
491 | } |
492 | |
493 | static snd_pcm_uframes_t dummy_pcm_pointer(struct snd_pcm_substream *substream) |
494 | { |
495 | struct snd_dummy *dummy = snd_pcm_substream_chip(substream); |
496 | |
497 | return dummy->timer_ops->pointer(substream); |
498 | } |
499 | |
500 | static struct snd_pcm_hardware dummy_pcm_hardware = { |
501 | .info = (SNDRV_PCM_INFO_MMAP | |
502 | SNDRV_PCM_INFO_INTERLEAVED | |
503 | SNDRV_PCM_INFO_RESUME | |
504 | SNDRV_PCM_INFO_MMAP_VALID), |
505 | .formats = USE_FORMATS, |
506 | .rates = USE_RATE, |
507 | .rate_min = USE_RATE_MIN, |
508 | .rate_max = USE_RATE_MAX, |
509 | .channels_min = USE_CHANNELS_MIN, |
510 | .channels_max = USE_CHANNELS_MAX, |
511 | .buffer_bytes_max = MAX_BUFFER_SIZE, |
512 | .period_bytes_min = 64, |
513 | .period_bytes_max = MAX_PERIOD_SIZE, |
514 | .periods_min = USE_PERIODS_MIN, |
515 | .periods_max = USE_PERIODS_MAX, |
516 | .fifo_size = 0, |
517 | }; |
518 | |
519 | static int dummy_pcm_hw_params(struct snd_pcm_substream *substream, |
520 | struct snd_pcm_hw_params *hw_params) |
521 | { |
522 | if (fake_buffer) { |
523 | /* runtime->dma_bytes has to be set manually to allow mmap */ |
524 | substream->runtime->dma_bytes = params_buffer_bytes(hw_params); |
525 | return 0; |
526 | } |
527 | return snd_pcm_lib_malloc_pages(substream, |
528 | params_buffer_bytes(hw_params)); |
529 | } |
530 | |
531 | static int dummy_pcm_hw_free(struct snd_pcm_substream *substream) |
532 | { |
533 | if (fake_buffer) |
534 | return 0; |
535 | return snd_pcm_lib_free_pages(substream); |
536 | } |
537 | |
538 | static int dummy_pcm_open(struct snd_pcm_substream *substream) |
539 | { |
540 | struct snd_dummy *dummy = snd_pcm_substream_chip(substream); |
541 | struct snd_pcm_runtime *runtime = substream->runtime; |
542 | int err; |
543 | |
544 | dummy->timer_ops = &dummy_systimer_ops; |
545 | #ifdef CONFIG_HIGH_RES_TIMERS |
546 | if (hrtimer) |
547 | dummy->timer_ops = &dummy_hrtimer_ops; |
548 | #endif |
549 | |
550 | err = dummy->timer_ops->create(substream); |
551 | if (err < 0) |
552 | return err; |
553 | |
554 | runtime->hw = dummy_pcm_hardware; |
555 | if (substream->pcm->device & 1) { |
556 | runtime->hw.info &= ~SNDRV_PCM_INFO_INTERLEAVED; |
557 | runtime->hw.info |= SNDRV_PCM_INFO_NONINTERLEAVED; |
558 | } |
559 | if (substream->pcm->device & 2) |
560 | runtime->hw.info &= ~(SNDRV_PCM_INFO_MMAP | |
561 | SNDRV_PCM_INFO_MMAP_VALID); |
562 | |
563 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
564 | err = add_playback_constraints(substream->runtime); |
565 | else |
566 | err = add_capture_constraints(substream->runtime); |
567 | if (err < 0) { |
568 | dummy->timer_ops->free(substream); |
569 | return err; |
570 | } |
571 | return 0; |
572 | } |
573 | |
574 | static int dummy_pcm_close(struct snd_pcm_substream *substream) |
575 | { |
576 | struct snd_dummy *dummy = snd_pcm_substream_chip(substream); |
577 | dummy->timer_ops->free(substream); |
578 | return 0; |
579 | } |
580 | |
581 | /* |
582 | * dummy buffer handling |
583 | */ |
584 | |
585 | static void *dummy_page[2]; |
586 | |
587 | static void free_fake_buffer(void) |
588 | { |
589 | if (fake_buffer) { |
590 | int i; |
591 | for (i = 0; i < 2; i++) |
592 | if (dummy_page[i]) { |
593 | free_page((unsigned long)dummy_page[i]); |
594 | dummy_page[i] = NULL; |
595 | } |
596 | } |
597 | } |
598 | |
599 | static int alloc_fake_buffer(void) |
600 | { |
601 | int i; |
602 | |
603 | if (!fake_buffer) |
604 | return 0; |
605 | for (i = 0; i < 2; i++) { |
606 | dummy_page[i] = (void *)get_zeroed_page(GFP_KERNEL); |
607 | if (!dummy_page[i]) { |
608 | free_fake_buffer(); |
609 | return -ENOMEM; |
610 | } |
611 | } |
612 | return 0; |
613 | } |
614 | |
615 | static int dummy_pcm_copy(struct snd_pcm_substream *substream, |
616 | int channel, snd_pcm_uframes_t pos, |
617 | void __user *dst, snd_pcm_uframes_t count) |
618 | { |
619 | return 0; /* do nothing */ |
620 | } |
621 | |
622 | static int dummy_pcm_silence(struct snd_pcm_substream *substream, |
623 | int channel, snd_pcm_uframes_t pos, |
624 | snd_pcm_uframes_t count) |
625 | { |
626 | return 0; /* do nothing */ |
627 | } |
628 | |
629 | static struct page *dummy_pcm_page(struct snd_pcm_substream *substream, |
630 | unsigned long offset) |
631 | { |
632 | return virt_to_page(dummy_page[substream->stream]); /* the same page */ |
633 | } |
634 | |
635 | static struct snd_pcm_ops dummy_pcm_ops = { |
636 | .open = dummy_pcm_open, |
637 | .close = dummy_pcm_close, |
638 | .ioctl = snd_pcm_lib_ioctl, |
639 | .hw_params = dummy_pcm_hw_params, |
640 | .hw_free = dummy_pcm_hw_free, |
641 | .prepare = dummy_pcm_prepare, |
642 | .trigger = dummy_pcm_trigger, |
643 | .pointer = dummy_pcm_pointer, |
644 | }; |
645 | |
646 | static struct snd_pcm_ops dummy_pcm_ops_no_buf = { |
647 | .open = dummy_pcm_open, |
648 | .close = dummy_pcm_close, |
649 | .ioctl = snd_pcm_lib_ioctl, |
650 | .hw_params = dummy_pcm_hw_params, |
651 | .hw_free = dummy_pcm_hw_free, |
652 | .prepare = dummy_pcm_prepare, |
653 | .trigger = dummy_pcm_trigger, |
654 | .pointer = dummy_pcm_pointer, |
655 | .copy = dummy_pcm_copy, |
656 | .silence = dummy_pcm_silence, |
657 | .page = dummy_pcm_page, |
658 | }; |
659 | |
660 | static int __devinit snd_card_dummy_pcm(struct snd_dummy *dummy, int device, |
661 | int substreams) |
662 | { |
663 | struct snd_pcm *pcm; |
664 | struct snd_pcm_ops *ops; |
665 | int err; |
666 | |
667 | err = snd_pcm_new(dummy->card, "Dummy PCM", device, |
668 | substreams, substreams, &pcm); |
669 | if (err < 0) |
670 | return err; |
671 | dummy->pcm = pcm; |
672 | if (fake_buffer) |
673 | ops = &dummy_pcm_ops_no_buf; |
674 | else |
675 | ops = &dummy_pcm_ops; |
676 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, ops); |
677 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, ops); |
678 | pcm->private_data = dummy; |
679 | pcm->info_flags = 0; |
680 | strcpy(pcm->name, "Dummy PCM"); |
681 | if (!fake_buffer) { |
682 | snd_pcm_lib_preallocate_pages_for_all(pcm, |
683 | SNDRV_DMA_TYPE_CONTINUOUS, |
684 | snd_dma_continuous_data(GFP_KERNEL), |
685 | 0, 64*1024); |
686 | } |
687 | return 0; |
688 | } |
689 | |
690 | /* |
691 | * mixer interface |
692 | */ |
693 | |
694 | #define DUMMY_VOLUME(xname, xindex, addr) \ |
695 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ |
696 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ |
697 | .name = xname, .index = xindex, \ |
698 | .info = snd_dummy_volume_info, \ |
699 | .get = snd_dummy_volume_get, .put = snd_dummy_volume_put, \ |
700 | .private_value = addr, \ |
701 | .tlv = { .p = db_scale_dummy } } |
702 | |
703 | static int snd_dummy_volume_info(struct snd_kcontrol *kcontrol, |
704 | struct snd_ctl_elem_info *uinfo) |
705 | { |
706 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
707 | uinfo->count = 2; |
708 | uinfo->value.integer.min = -50; |
709 | uinfo->value.integer.max = 100; |
710 | return 0; |
711 | } |
712 | |
713 | static int snd_dummy_volume_get(struct snd_kcontrol *kcontrol, |
714 | struct snd_ctl_elem_value *ucontrol) |
715 | { |
716 | struct snd_dummy *dummy = snd_kcontrol_chip(kcontrol); |
717 | int addr = kcontrol->private_value; |
718 | |
719 | spin_lock_irq(&dummy->mixer_lock); |
720 | ucontrol->value.integer.value[0] = dummy->mixer_volume[addr][0]; |
721 | ucontrol->value.integer.value[1] = dummy->mixer_volume[addr][1]; |
722 | spin_unlock_irq(&dummy->mixer_lock); |
723 | return 0; |
724 | } |
725 | |
726 | static int snd_dummy_volume_put(struct snd_kcontrol *kcontrol, |
727 | struct snd_ctl_elem_value *ucontrol) |
728 | { |
729 | struct snd_dummy *dummy = snd_kcontrol_chip(kcontrol); |
730 | int change, addr = kcontrol->private_value; |
731 | int left, right; |
732 | |
733 | left = ucontrol->value.integer.value[0]; |
734 | if (left < -50) |
735 | left = -50; |
736 | if (left > 100) |
737 | left = 100; |
738 | right = ucontrol->value.integer.value[1]; |
739 | if (right < -50) |
740 | right = -50; |
741 | if (right > 100) |
742 | right = 100; |
743 | spin_lock_irq(&dummy->mixer_lock); |
744 | change = dummy->mixer_volume[addr][0] != left || |
745 | dummy->mixer_volume[addr][1] != right; |
746 | dummy->mixer_volume[addr][0] = left; |
747 | dummy->mixer_volume[addr][1] = right; |
748 | spin_unlock_irq(&dummy->mixer_lock); |
749 | return change; |
750 | } |
751 | |
752 | static const DECLARE_TLV_DB_SCALE(db_scale_dummy, -4500, 30, 0); |
753 | |
754 | #define DUMMY_CAPSRC(xname, xindex, addr) \ |
755 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ |
756 | .info = snd_dummy_capsrc_info, \ |
757 | .get = snd_dummy_capsrc_get, .put = snd_dummy_capsrc_put, \ |
758 | .private_value = addr } |
759 | |
760 | #define snd_dummy_capsrc_info snd_ctl_boolean_stereo_info |
761 | |
762 | static int snd_dummy_capsrc_get(struct snd_kcontrol *kcontrol, |
763 | struct snd_ctl_elem_value *ucontrol) |
764 | { |
765 | struct snd_dummy *dummy = snd_kcontrol_chip(kcontrol); |
766 | int addr = kcontrol->private_value; |
767 | |
768 | spin_lock_irq(&dummy->mixer_lock); |
769 | ucontrol->value.integer.value[0] = dummy->capture_source[addr][0]; |
770 | ucontrol->value.integer.value[1] = dummy->capture_source[addr][1]; |
771 | spin_unlock_irq(&dummy->mixer_lock); |
772 | return 0; |
773 | } |
774 | |
775 | static int snd_dummy_capsrc_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
776 | { |
777 | struct snd_dummy *dummy = snd_kcontrol_chip(kcontrol); |
778 | int change, addr = kcontrol->private_value; |
779 | int left, right; |
780 | |
781 | left = ucontrol->value.integer.value[0] & 1; |
782 | right = ucontrol->value.integer.value[1] & 1; |
783 | spin_lock_irq(&dummy->mixer_lock); |
784 | change = dummy->capture_source[addr][0] != left && |
785 | dummy->capture_source[addr][1] != right; |
786 | dummy->capture_source[addr][0] = left; |
787 | dummy->capture_source[addr][1] = right; |
788 | spin_unlock_irq(&dummy->mixer_lock); |
789 | return change; |
790 | } |
791 | |
792 | static struct snd_kcontrol_new snd_dummy_controls[] = { |
793 | DUMMY_VOLUME("Master Volume", 0, MIXER_ADDR_MASTER), |
794 | DUMMY_CAPSRC("Master Capture Switch", 0, MIXER_ADDR_MASTER), |
795 | DUMMY_VOLUME("Synth Volume", 0, MIXER_ADDR_SYNTH), |
796 | DUMMY_CAPSRC("Synth Capture Switch", 0, MIXER_ADDR_SYNTH), |
797 | DUMMY_VOLUME("Line Volume", 0, MIXER_ADDR_LINE), |
798 | DUMMY_CAPSRC("Line Capture Switch", 0, MIXER_ADDR_LINE), |
799 | DUMMY_VOLUME("Mic Volume", 0, MIXER_ADDR_MIC), |
800 | DUMMY_CAPSRC("Mic Capture Switch", 0, MIXER_ADDR_MIC), |
801 | DUMMY_VOLUME("CD Volume", 0, MIXER_ADDR_CD), |
802 | DUMMY_CAPSRC("CD Capture Switch", 0, MIXER_ADDR_CD) |
803 | }; |
804 | |
805 | static int __devinit snd_card_dummy_new_mixer(struct snd_dummy *dummy) |
806 | { |
807 | struct snd_card *card = dummy->card; |
808 | unsigned int idx; |
809 | int err; |
810 | |
811 | spin_lock_init(&dummy->mixer_lock); |
812 | strcpy(card->mixername, "Dummy Mixer"); |
813 | |
814 | for (idx = 0; idx < ARRAY_SIZE(snd_dummy_controls); idx++) { |
815 | err = snd_ctl_add(card, snd_ctl_new1(&snd_dummy_controls[idx], dummy)); |
816 | if (err < 0) |
817 | return err; |
818 | } |
819 | return 0; |
820 | } |
821 | |
822 | #if defined(CONFIG_SND_DEBUG) && defined(CONFIG_PROC_FS) |
823 | /* |
824 | * proc interface |
825 | */ |
826 | static void print_formats(struct snd_info_buffer *buffer) |
827 | { |
828 | int i; |
829 | |
830 | for (i = 0; i < SNDRV_PCM_FORMAT_LAST; i++) { |
831 | if (dummy_pcm_hardware.formats & (1ULL << i)) |
832 | snd_iprintf(buffer, " %s", snd_pcm_format_name(i)); |
833 | } |
834 | } |
835 | |
836 | static void print_rates(struct snd_info_buffer *buffer) |
837 | { |
838 | static int rates[] = { |
839 | 5512, 8000, 11025, 16000, 22050, 32000, 44100, 48000, |
840 | 64000, 88200, 96000, 176400, 192000, |
841 | }; |
842 | int i; |
843 | |
844 | if (dummy_pcm_hardware.rates & SNDRV_PCM_RATE_CONTINUOUS) |
845 | snd_iprintf(buffer, " continuous"); |
846 | if (dummy_pcm_hardware.rates & SNDRV_PCM_RATE_KNOT) |
847 | snd_iprintf(buffer, " knot"); |
848 | for (i = 0; i < ARRAY_SIZE(rates); i++) |
849 | if (dummy_pcm_hardware.rates & (1 << i)) |
850 | snd_iprintf(buffer, " %d", rates[i]); |
851 | } |
852 | |
853 | #define get_dummy_int_ptr(ofs) \ |
854 | (unsigned int *)((char *)&dummy_pcm_hardware + (ofs)) |
855 | #define get_dummy_ll_ptr(ofs) \ |
856 | (unsigned long long *)((char *)&dummy_pcm_hardware + (ofs)) |
857 | |
858 | struct dummy_hw_field { |
859 | const char *name; |
860 | const char *format; |
861 | unsigned int offset; |
862 | unsigned int size; |
863 | }; |
864 | #define FIELD_ENTRY(item, fmt) { \ |
865 | .name = #item, \ |
866 | .format = fmt, \ |
867 | .offset = offsetof(struct snd_pcm_hardware, item), \ |
868 | .size = sizeof(dummy_pcm_hardware.item) } |
869 | |
870 | static struct dummy_hw_field fields[] = { |
871 | FIELD_ENTRY(formats, "%#llx"), |
872 | FIELD_ENTRY(rates, "%#x"), |
873 | FIELD_ENTRY(rate_min, "%d"), |
874 | FIELD_ENTRY(rate_max, "%d"), |
875 | FIELD_ENTRY(channels_min, "%d"), |
876 | FIELD_ENTRY(channels_max, "%d"), |
877 | FIELD_ENTRY(buffer_bytes_max, "%ld"), |
878 | FIELD_ENTRY(period_bytes_min, "%ld"), |
879 | FIELD_ENTRY(period_bytes_max, "%ld"), |
880 | FIELD_ENTRY(periods_min, "%d"), |
881 | FIELD_ENTRY(periods_max, "%d"), |
882 | }; |
883 | |
884 | static void dummy_proc_read(struct snd_info_entry *entry, |
885 | struct snd_info_buffer *buffer) |
886 | { |
887 | int i; |
888 | |
889 | for (i = 0; i < ARRAY_SIZE(fields); i++) { |
890 | snd_iprintf(buffer, "%s ", fields[i].name); |
891 | if (fields[i].size == sizeof(int)) |
892 | snd_iprintf(buffer, fields[i].format, |
893 | *get_dummy_int_ptr(fields[i].offset)); |
894 | else |
895 | snd_iprintf(buffer, fields[i].format, |
896 | *get_dummy_ll_ptr(fields[i].offset)); |
897 | if (!strcmp(fields[i].name, "formats")) |
898 | print_formats(buffer); |
899 | else if (!strcmp(fields[i].name, "rates")) |
900 | print_rates(buffer); |
901 | snd_iprintf(buffer, "\n"); |
902 | } |
903 | } |
904 | |
905 | static void dummy_proc_write(struct snd_info_entry *entry, |
906 | struct snd_info_buffer *buffer) |
907 | { |
908 | char line[64]; |
909 | |
910 | while (!snd_info_get_line(buffer, line, sizeof(line))) { |
911 | char item[20]; |
912 | const char *ptr; |
913 | unsigned long long val; |
914 | int i; |
915 | |
916 | ptr = snd_info_get_str(item, line, sizeof(item)); |
917 | for (i = 0; i < ARRAY_SIZE(fields); i++) { |
918 | if (!strcmp(item, fields[i].name)) |
919 | break; |
920 | } |
921 | if (i >= ARRAY_SIZE(fields)) |
922 | continue; |
923 | snd_info_get_str(item, ptr, sizeof(item)); |
924 | if (strict_strtoull(item, 0, &val)) |
925 | continue; |
926 | if (fields[i].size == sizeof(int)) |
927 | *get_dummy_int_ptr(fields[i].offset) = val; |
928 | else |
929 | *get_dummy_ll_ptr(fields[i].offset) = val; |
930 | } |
931 | } |
932 | |
933 | static void __devinit dummy_proc_init(struct snd_dummy *chip) |
934 | { |
935 | struct snd_info_entry *entry; |
936 | |
937 | if (!snd_card_proc_new(chip->card, "dummy_pcm", &entry)) { |
938 | snd_info_set_text_ops(entry, chip, dummy_proc_read); |
939 | entry->c.text.write = dummy_proc_write; |
940 | entry->mode |= S_IWUSR; |
941 | } |
942 | } |
943 | #else |
944 | #define dummy_proc_init(x) |
945 | #endif /* CONFIG_SND_DEBUG && CONFIG_PROC_FS */ |
946 | |
947 | static int __devinit snd_dummy_probe(struct platform_device *devptr) |
948 | { |
949 | struct snd_card *card; |
950 | struct snd_dummy *dummy; |
951 | int idx, err; |
952 | int dev = devptr->id; |
953 | |
954 | err = snd_card_create(index[dev], id[dev], THIS_MODULE, |
955 | sizeof(struct snd_dummy), &card); |
956 | if (err < 0) |
957 | return err; |
958 | dummy = card->private_data; |
959 | dummy->card = card; |
960 | for (idx = 0; idx < MAX_PCM_DEVICES && idx < pcm_devs[dev]; idx++) { |
961 | if (pcm_substreams[dev] < 1) |
962 | pcm_substreams[dev] = 1; |
963 | if (pcm_substreams[dev] > MAX_PCM_SUBSTREAMS) |
964 | pcm_substreams[dev] = MAX_PCM_SUBSTREAMS; |
965 | err = snd_card_dummy_pcm(dummy, idx, pcm_substreams[dev]); |
966 | if (err < 0) |
967 | goto __nodev; |
968 | } |
969 | err = snd_card_dummy_new_mixer(dummy); |
970 | if (err < 0) |
971 | goto __nodev; |
972 | strcpy(card->driver, "Dummy"); |
973 | strcpy(card->shortname, "Dummy"); |
974 | sprintf(card->longname, "Dummy %i", dev + 1); |
975 | |
976 | dummy_proc_init(dummy); |
977 | |
978 | snd_card_set_dev(card, &devptr->dev); |
979 | |
980 | err = snd_card_register(card); |
981 | if (err == 0) { |
982 | platform_set_drvdata(devptr, card); |
983 | return 0; |
984 | } |
985 | __nodev: |
986 | snd_card_free(card); |
987 | return err; |
988 | } |
989 | |
990 | static int __devexit snd_dummy_remove(struct platform_device *devptr) |
991 | { |
992 | snd_card_free(platform_get_drvdata(devptr)); |
993 | platform_set_drvdata(devptr, NULL); |
994 | return 0; |
995 | } |
996 | |
997 | #ifdef CONFIG_PM |
998 | static int snd_dummy_suspend(struct platform_device *pdev, pm_message_t state) |
999 | { |
1000 | struct snd_card *card = platform_get_drvdata(pdev); |
1001 | struct snd_dummy *dummy = card->private_data; |
1002 | |
1003 | snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); |
1004 | snd_pcm_suspend_all(dummy->pcm); |
1005 | return 0; |
1006 | } |
1007 | |
1008 | static int snd_dummy_resume(struct platform_device *pdev) |
1009 | { |
1010 | struct snd_card *card = platform_get_drvdata(pdev); |
1011 | |
1012 | snd_power_change_state(card, SNDRV_CTL_POWER_D0); |
1013 | return 0; |
1014 | } |
1015 | #endif |
1016 | |
1017 | #define SND_DUMMY_DRIVER "snd_dummy" |
1018 | |
1019 | static struct platform_driver snd_dummy_driver = { |
1020 | .probe = snd_dummy_probe, |
1021 | .remove = __devexit_p(snd_dummy_remove), |
1022 | #ifdef CONFIG_PM |
1023 | .suspend = snd_dummy_suspend, |
1024 | .resume = snd_dummy_resume, |
1025 | #endif |
1026 | .driver = { |
1027 | .name = SND_DUMMY_DRIVER |
1028 | }, |
1029 | }; |
1030 | |
1031 | static void snd_dummy_unregister_all(void) |
1032 | { |
1033 | int i; |
1034 | |
1035 | for (i = 0; i < ARRAY_SIZE(devices); ++i) |
1036 | platform_device_unregister(devices[i]); |
1037 | platform_driver_unregister(&snd_dummy_driver); |
1038 | free_fake_buffer(); |
1039 | } |
1040 | |
1041 | static int __init alsa_card_dummy_init(void) |
1042 | { |
1043 | int i, cards, err; |
1044 | |
1045 | err = platform_driver_register(&snd_dummy_driver); |
1046 | if (err < 0) |
1047 | return err; |
1048 | |
1049 | err = alloc_fake_buffer(); |
1050 | if (err < 0) { |
1051 | platform_driver_unregister(&snd_dummy_driver); |
1052 | return err; |
1053 | } |
1054 | |
1055 | cards = 0; |
1056 | for (i = 0; i < SNDRV_CARDS; i++) { |
1057 | struct platform_device *device; |
1058 | if (! enable[i]) |
1059 | continue; |
1060 | device = platform_device_register_simple(SND_DUMMY_DRIVER, |
1061 | i, NULL, 0); |
1062 | if (IS_ERR(device)) |
1063 | continue; |
1064 | if (!platform_get_drvdata(device)) { |
1065 | platform_device_unregister(device); |
1066 | continue; |
1067 | } |
1068 | devices[i] = device; |
1069 | cards++; |
1070 | } |
1071 | if (!cards) { |
1072 | #ifdef MODULE |
1073 | printk(KERN_ERR "Dummy soundcard not found or device busy\n"); |
1074 | #endif |
1075 | snd_dummy_unregister_all(); |
1076 | return -ENODEV; |
1077 | } |
1078 | return 0; |
1079 | } |
1080 | |
1081 | static void __exit alsa_card_dummy_exit(void) |
1082 | { |
1083 | snd_dummy_unregister_all(); |
1084 | } |
1085 | |
1086 | module_init(alsa_card_dummy_init) |
1087 | module_exit(alsa_card_dummy_exit) |
1088 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9