diff options
Diffstat (limited to 'sound/ppc/pmac.c')
-rw-r--r-- | sound/ppc/pmac.c | 1328 |
1 files changed, 1328 insertions, 0 deletions
diff --git a/sound/ppc/pmac.c b/sound/ppc/pmac.c new file mode 100644 index 000000000000..6c4ed90f490e --- /dev/null +++ b/sound/ppc/pmac.c | |||
@@ -0,0 +1,1328 @@ | |||
1 | /* | ||
2 | * PMac DBDMA lowlevel functions | ||
3 | * | ||
4 | * Copyright (c) by Takashi Iwai <tiwai@suse.de> | ||
5 | * code based on dmasound.c. | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License as published by | ||
9 | * the Free Software Foundation; either version 2 of the License, or | ||
10 | * (at your option) any later version. | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
15 | * GNU General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU General Public License | ||
18 | * along with this program; if not, write to the Free Software | ||
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
20 | */ | ||
21 | |||
22 | |||
23 | #include <sound/driver.h> | ||
24 | #include <asm/io.h> | ||
25 | #include <asm/irq.h> | ||
26 | #include <linux/init.h> | ||
27 | #include <linux/delay.h> | ||
28 | #include <linux/slab.h> | ||
29 | #include <linux/interrupt.h> | ||
30 | #include <sound/core.h> | ||
31 | #include "pmac.h" | ||
32 | #include <sound/pcm_params.h> | ||
33 | #ifdef CONFIG_PPC_HAS_FEATURE_CALLS | ||
34 | #include <asm/pmac_feature.h> | ||
35 | #else | ||
36 | #include <asm/feature.h> | ||
37 | #endif | ||
38 | |||
39 | |||
40 | #if defined(CONFIG_PM) && defined(CONFIG_PMAC_PBOOK) | ||
41 | static int snd_pmac_register_sleep_notifier(pmac_t *chip); | ||
42 | static int snd_pmac_unregister_sleep_notifier(pmac_t *chip); | ||
43 | static int snd_pmac_suspend(snd_card_t *card, pm_message_t state); | ||
44 | static int snd_pmac_resume(snd_card_t *card); | ||
45 | #endif | ||
46 | |||
47 | |||
48 | /* fixed frequency table for awacs, screamer, burgundy, DACA (44100 max) */ | ||
49 | static int awacs_freqs[8] = { | ||
50 | 44100, 29400, 22050, 17640, 14700, 11025, 8820, 7350 | ||
51 | }; | ||
52 | /* fixed frequency table for tumbler */ | ||
53 | static int tumbler_freqs[1] = { | ||
54 | 44100 | ||
55 | }; | ||
56 | |||
57 | /* | ||
58 | * allocate DBDMA command arrays | ||
59 | */ | ||
60 | static int snd_pmac_dbdma_alloc(pmac_dbdma_t *rec, int size) | ||
61 | { | ||
62 | rec->space = kmalloc(sizeof(struct dbdma_cmd) * (size + 1), GFP_KERNEL); | ||
63 | if (rec->space == NULL) | ||
64 | return -ENOMEM; | ||
65 | rec->size = size; | ||
66 | memset(rec->space, 0, sizeof(struct dbdma_cmd) * (size + 1)); | ||
67 | rec->cmds = (void __iomem *)DBDMA_ALIGN(rec->space); | ||
68 | rec->addr = virt_to_bus(rec->cmds); | ||
69 | return 0; | ||
70 | } | ||
71 | |||
72 | static void snd_pmac_dbdma_free(pmac_dbdma_t *rec) | ||
73 | { | ||
74 | if (rec) | ||
75 | kfree(rec->space); | ||
76 | } | ||
77 | |||
78 | |||
79 | /* | ||
80 | * pcm stuff | ||
81 | */ | ||
82 | |||
83 | /* | ||
84 | * look up frequency table | ||
85 | */ | ||
86 | |||
87 | unsigned int snd_pmac_rate_index(pmac_t *chip, pmac_stream_t *rec, unsigned int rate) | ||
88 | { | ||
89 | int i, ok, found; | ||
90 | |||
91 | ok = rec->cur_freqs; | ||
92 | if (rate > chip->freq_table[0]) | ||
93 | return 0; | ||
94 | found = 0; | ||
95 | for (i = 0; i < chip->num_freqs; i++, ok >>= 1) { | ||
96 | if (! (ok & 1)) continue; | ||
97 | found = i; | ||
98 | if (rate >= chip->freq_table[i]) | ||
99 | break; | ||
100 | } | ||
101 | return found; | ||
102 | } | ||
103 | |||
104 | /* | ||
105 | * check whether another stream is active | ||
106 | */ | ||
107 | static inline int another_stream(int stream) | ||
108 | { | ||
109 | return (stream == SNDRV_PCM_STREAM_PLAYBACK) ? | ||
110 | SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; | ||
111 | } | ||
112 | |||
113 | /* | ||
114 | * allocate buffers | ||
115 | */ | ||
116 | static int snd_pmac_pcm_hw_params(snd_pcm_substream_t *subs, | ||
117 | snd_pcm_hw_params_t *hw_params) | ||
118 | { | ||
119 | return snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw_params)); | ||
120 | } | ||
121 | |||
122 | /* | ||
123 | * release buffers | ||
124 | */ | ||
125 | static int snd_pmac_pcm_hw_free(snd_pcm_substream_t *subs) | ||
126 | { | ||
127 | snd_pcm_lib_free_pages(subs); | ||
128 | return 0; | ||
129 | } | ||
130 | |||
131 | /* | ||
132 | * get a stream of the opposite direction | ||
133 | */ | ||
134 | static pmac_stream_t *snd_pmac_get_stream(pmac_t *chip, int stream) | ||
135 | { | ||
136 | switch (stream) { | ||
137 | case SNDRV_PCM_STREAM_PLAYBACK: | ||
138 | return &chip->playback; | ||
139 | case SNDRV_PCM_STREAM_CAPTURE: | ||
140 | return &chip->capture; | ||
141 | default: | ||
142 | snd_BUG(); | ||
143 | return NULL; | ||
144 | } | ||
145 | } | ||
146 | |||
147 | /* | ||
148 | * wait while run status is on | ||
149 | */ | ||
150 | inline static void | ||
151 | snd_pmac_wait_ack(pmac_stream_t *rec) | ||
152 | { | ||
153 | int timeout = 50000; | ||
154 | while ((in_le32(&rec->dma->status) & RUN) && timeout-- > 0) | ||
155 | udelay(1); | ||
156 | } | ||
157 | |||
158 | /* | ||
159 | * set the format and rate to the chip. | ||
160 | * call the lowlevel function if defined (e.g. for AWACS). | ||
161 | */ | ||
162 | static void snd_pmac_pcm_set_format(pmac_t *chip) | ||
163 | { | ||
164 | /* set up frequency and format */ | ||
165 | out_le32(&chip->awacs->control, chip->control_mask | (chip->rate_index << 8)); | ||
166 | out_le32(&chip->awacs->byteswap, chip->format == SNDRV_PCM_FORMAT_S16_LE ? 1 : 0); | ||
167 | if (chip->set_format) | ||
168 | chip->set_format(chip); | ||
169 | } | ||
170 | |||
171 | /* | ||
172 | * stop the DMA transfer | ||
173 | */ | ||
174 | inline static void snd_pmac_dma_stop(pmac_stream_t *rec) | ||
175 | { | ||
176 | out_le32(&rec->dma->control, (RUN|WAKE|FLUSH|PAUSE) << 16); | ||
177 | snd_pmac_wait_ack(rec); | ||
178 | } | ||
179 | |||
180 | /* | ||
181 | * set the command pointer address | ||
182 | */ | ||
183 | inline static void snd_pmac_dma_set_command(pmac_stream_t *rec, pmac_dbdma_t *cmd) | ||
184 | { | ||
185 | out_le32(&rec->dma->cmdptr, cmd->addr); | ||
186 | } | ||
187 | |||
188 | /* | ||
189 | * start the DMA | ||
190 | */ | ||
191 | inline static void snd_pmac_dma_run(pmac_stream_t *rec, int status) | ||
192 | { | ||
193 | out_le32(&rec->dma->control, status | (status << 16)); | ||
194 | } | ||
195 | |||
196 | |||
197 | /* | ||
198 | * prepare playback/capture stream | ||
199 | */ | ||
200 | static int snd_pmac_pcm_prepare(pmac_t *chip, pmac_stream_t *rec, snd_pcm_substream_t *subs) | ||
201 | { | ||
202 | int i; | ||
203 | volatile struct dbdma_cmd __iomem *cp; | ||
204 | snd_pcm_runtime_t *runtime = subs->runtime; | ||
205 | int rate_index; | ||
206 | long offset; | ||
207 | pmac_stream_t *astr; | ||
208 | |||
209 | rec->dma_size = snd_pcm_lib_buffer_bytes(subs); | ||
210 | rec->period_size = snd_pcm_lib_period_bytes(subs); | ||
211 | rec->nperiods = rec->dma_size / rec->period_size; | ||
212 | rec->cur_period = 0; | ||
213 | rate_index = snd_pmac_rate_index(chip, rec, runtime->rate); | ||
214 | |||
215 | /* set up constraints */ | ||
216 | astr = snd_pmac_get_stream(chip, another_stream(rec->stream)); | ||
217 | snd_runtime_check(astr, return -EINVAL); | ||
218 | astr->cur_freqs = 1 << rate_index; | ||
219 | astr->cur_formats = 1 << runtime->format; | ||
220 | chip->rate_index = rate_index; | ||
221 | chip->format = runtime->format; | ||
222 | |||
223 | /* We really want to execute a DMA stop command, after the AWACS | ||
224 | * is initialized. | ||
225 | * For reasons I don't understand, it stops the hissing noise | ||
226 | * common to many PowerBook G3 systems and random noise otherwise | ||
227 | * captured on iBook2's about every third time. -ReneR | ||
228 | */ | ||
229 | spin_lock_irq(&chip->reg_lock); | ||
230 | snd_pmac_dma_stop(rec); | ||
231 | st_le16(&chip->extra_dma.cmds->command, DBDMA_STOP); | ||
232 | snd_pmac_dma_set_command(rec, &chip->extra_dma); | ||
233 | snd_pmac_dma_run(rec, RUN); | ||
234 | spin_unlock_irq(&chip->reg_lock); | ||
235 | mdelay(5); | ||
236 | spin_lock_irq(&chip->reg_lock); | ||
237 | /* continuous DMA memory type doesn't provide the physical address, | ||
238 | * so we need to resolve the address here... | ||
239 | */ | ||
240 | offset = virt_to_bus(runtime->dma_area); | ||
241 | for (i = 0, cp = rec->cmd.cmds; i < rec->nperiods; i++, cp++) { | ||
242 | st_le32(&cp->phy_addr, offset); | ||
243 | st_le16(&cp->req_count, rec->period_size); | ||
244 | /*st_le16(&cp->res_count, 0);*/ | ||
245 | st_le16(&cp->xfer_status, 0); | ||
246 | offset += rec->period_size; | ||
247 | } | ||
248 | /* make loop */ | ||
249 | st_le16(&cp->command, DBDMA_NOP + BR_ALWAYS); | ||
250 | st_le32(&cp->cmd_dep, rec->cmd.addr); | ||
251 | |||
252 | snd_pmac_dma_stop(rec); | ||
253 | snd_pmac_dma_set_command(rec, &rec->cmd); | ||
254 | spin_unlock_irq(&chip->reg_lock); | ||
255 | |||
256 | return 0; | ||
257 | } | ||
258 | |||
259 | |||
260 | /* | ||
261 | * PCM trigger/stop | ||
262 | */ | ||
263 | static int snd_pmac_pcm_trigger(pmac_t *chip, pmac_stream_t *rec, | ||
264 | snd_pcm_substream_t *subs, int cmd) | ||
265 | { | ||
266 | volatile struct dbdma_cmd __iomem *cp; | ||
267 | int i, command; | ||
268 | |||
269 | switch (cmd) { | ||
270 | case SNDRV_PCM_TRIGGER_START: | ||
271 | case SNDRV_PCM_TRIGGER_RESUME: | ||
272 | if (rec->running) | ||
273 | return -EBUSY; | ||
274 | command = (subs->stream == SNDRV_PCM_STREAM_PLAYBACK ? | ||
275 | OUTPUT_MORE : INPUT_MORE) + INTR_ALWAYS; | ||
276 | spin_lock(&chip->reg_lock); | ||
277 | snd_pmac_beep_stop(chip); | ||
278 | snd_pmac_pcm_set_format(chip); | ||
279 | for (i = 0, cp = rec->cmd.cmds; i < rec->nperiods; i++, cp++) | ||
280 | out_le16(&cp->command, command); | ||
281 | snd_pmac_dma_set_command(rec, &rec->cmd); | ||
282 | (void)in_le32(&rec->dma->status); | ||
283 | snd_pmac_dma_run(rec, RUN|WAKE); | ||
284 | rec->running = 1; | ||
285 | spin_unlock(&chip->reg_lock); | ||
286 | break; | ||
287 | |||
288 | case SNDRV_PCM_TRIGGER_STOP: | ||
289 | case SNDRV_PCM_TRIGGER_SUSPEND: | ||
290 | spin_lock(&chip->reg_lock); | ||
291 | rec->running = 0; | ||
292 | /*printk("stopped!!\n");*/ | ||
293 | snd_pmac_dma_stop(rec); | ||
294 | for (i = 0, cp = rec->cmd.cmds; i < rec->nperiods; i++, cp++) | ||
295 | out_le16(&cp->command, DBDMA_STOP); | ||
296 | spin_unlock(&chip->reg_lock); | ||
297 | break; | ||
298 | |||
299 | default: | ||
300 | return -EINVAL; | ||
301 | } | ||
302 | |||
303 | return 0; | ||
304 | } | ||
305 | |||
306 | /* | ||
307 | * return the current pointer | ||
308 | */ | ||
309 | inline | ||
310 | static snd_pcm_uframes_t snd_pmac_pcm_pointer(pmac_t *chip, pmac_stream_t *rec, | ||
311 | snd_pcm_substream_t *subs) | ||
312 | { | ||
313 | int count = 0; | ||
314 | |||
315 | #if 1 /* hmm.. how can we get the current dma pointer?? */ | ||
316 | int stat; | ||
317 | volatile struct dbdma_cmd __iomem *cp = &rec->cmd.cmds[rec->cur_period]; | ||
318 | stat = ld_le16(&cp->xfer_status); | ||
319 | if (stat & (ACTIVE|DEAD)) { | ||
320 | count = in_le16(&cp->res_count); | ||
321 | if (count) | ||
322 | count = rec->period_size - count; | ||
323 | } | ||
324 | #endif | ||
325 | count += rec->cur_period * rec->period_size; | ||
326 | /*printk("pointer=%d\n", count);*/ | ||
327 | return bytes_to_frames(subs->runtime, count); | ||
328 | } | ||
329 | |||
330 | /* | ||
331 | * playback | ||
332 | */ | ||
333 | |||
334 | static int snd_pmac_playback_prepare(snd_pcm_substream_t *subs) | ||
335 | { | ||
336 | pmac_t *chip = snd_pcm_substream_chip(subs); | ||
337 | return snd_pmac_pcm_prepare(chip, &chip->playback, subs); | ||
338 | } | ||
339 | |||
340 | static int snd_pmac_playback_trigger(snd_pcm_substream_t *subs, | ||
341 | int cmd) | ||
342 | { | ||
343 | pmac_t *chip = snd_pcm_substream_chip(subs); | ||
344 | return snd_pmac_pcm_trigger(chip, &chip->playback, subs, cmd); | ||
345 | } | ||
346 | |||
347 | static snd_pcm_uframes_t snd_pmac_playback_pointer(snd_pcm_substream_t *subs) | ||
348 | { | ||
349 | pmac_t *chip = snd_pcm_substream_chip(subs); | ||
350 | return snd_pmac_pcm_pointer(chip, &chip->playback, subs); | ||
351 | } | ||
352 | |||
353 | |||
354 | /* | ||
355 | * capture | ||
356 | */ | ||
357 | |||
358 | static int snd_pmac_capture_prepare(snd_pcm_substream_t *subs) | ||
359 | { | ||
360 | pmac_t *chip = snd_pcm_substream_chip(subs); | ||
361 | return snd_pmac_pcm_prepare(chip, &chip->capture, subs); | ||
362 | } | ||
363 | |||
364 | static int snd_pmac_capture_trigger(snd_pcm_substream_t *subs, | ||
365 | int cmd) | ||
366 | { | ||
367 | pmac_t *chip = snd_pcm_substream_chip(subs); | ||
368 | return snd_pmac_pcm_trigger(chip, &chip->capture, subs, cmd); | ||
369 | } | ||
370 | |||
371 | static snd_pcm_uframes_t snd_pmac_capture_pointer(snd_pcm_substream_t *subs) | ||
372 | { | ||
373 | pmac_t *chip = snd_pcm_substream_chip(subs); | ||
374 | return snd_pmac_pcm_pointer(chip, &chip->capture, subs); | ||
375 | } | ||
376 | |||
377 | |||
378 | /* | ||
379 | * update playback/capture pointer from interrupts | ||
380 | */ | ||
381 | static void snd_pmac_pcm_update(pmac_t *chip, pmac_stream_t *rec) | ||
382 | { | ||
383 | volatile struct dbdma_cmd __iomem *cp; | ||
384 | int c; | ||
385 | int stat; | ||
386 | |||
387 | spin_lock(&chip->reg_lock); | ||
388 | if (rec->running) { | ||
389 | cp = &rec->cmd.cmds[rec->cur_period]; | ||
390 | for (c = 0; c < rec->nperiods; c++) { /* at most all fragments */ | ||
391 | stat = ld_le16(&cp->xfer_status); | ||
392 | if (! (stat & ACTIVE)) | ||
393 | break; | ||
394 | /*printk("update frag %d\n", rec->cur_period);*/ | ||
395 | st_le16(&cp->xfer_status, 0); | ||
396 | st_le16(&cp->req_count, rec->period_size); | ||
397 | /*st_le16(&cp->res_count, 0);*/ | ||
398 | rec->cur_period++; | ||
399 | if (rec->cur_period >= rec->nperiods) { | ||
400 | rec->cur_period = 0; | ||
401 | cp = rec->cmd.cmds; | ||
402 | } else | ||
403 | cp++; | ||
404 | spin_unlock(&chip->reg_lock); | ||
405 | snd_pcm_period_elapsed(rec->substream); | ||
406 | spin_lock(&chip->reg_lock); | ||
407 | } | ||
408 | } | ||
409 | spin_unlock(&chip->reg_lock); | ||
410 | } | ||
411 | |||
412 | |||
413 | /* | ||
414 | * hw info | ||
415 | */ | ||
416 | |||
417 | static snd_pcm_hardware_t snd_pmac_playback = | ||
418 | { | ||
419 | .info = (SNDRV_PCM_INFO_INTERLEAVED | | ||
420 | SNDRV_PCM_INFO_MMAP | | ||
421 | SNDRV_PCM_INFO_MMAP_VALID | | ||
422 | SNDRV_PCM_INFO_RESUME), | ||
423 | .formats = SNDRV_PCM_FMTBIT_S16_BE | SNDRV_PCM_FMTBIT_S16_LE, | ||
424 | .rates = SNDRV_PCM_RATE_8000_44100, | ||
425 | .rate_min = 7350, | ||
426 | .rate_max = 44100, | ||
427 | .channels_min = 2, | ||
428 | .channels_max = 2, | ||
429 | .buffer_bytes_max = 131072, | ||
430 | .period_bytes_min = 256, | ||
431 | .period_bytes_max = 16384, | ||
432 | .periods_min = 3, | ||
433 | .periods_max = PMAC_MAX_FRAGS, | ||
434 | }; | ||
435 | |||
436 | static snd_pcm_hardware_t snd_pmac_capture = | ||
437 | { | ||
438 | .info = (SNDRV_PCM_INFO_INTERLEAVED | | ||
439 | SNDRV_PCM_INFO_MMAP | | ||
440 | SNDRV_PCM_INFO_MMAP_VALID | | ||
441 | SNDRV_PCM_INFO_RESUME), | ||
442 | .formats = SNDRV_PCM_FMTBIT_S16_BE | SNDRV_PCM_FMTBIT_S16_LE, | ||
443 | .rates = SNDRV_PCM_RATE_8000_44100, | ||
444 | .rate_min = 7350, | ||
445 | .rate_max = 44100, | ||
446 | .channels_min = 2, | ||
447 | .channels_max = 2, | ||
448 | .buffer_bytes_max = 131072, | ||
449 | .period_bytes_min = 256, | ||
450 | .period_bytes_max = 16384, | ||
451 | .periods_min = 3, | ||
452 | .periods_max = PMAC_MAX_FRAGS, | ||
453 | }; | ||
454 | |||
455 | |||
456 | #if 0 // NYI | ||
457 | static int snd_pmac_hw_rule_rate(snd_pcm_hw_params_t *params, | ||
458 | snd_pcm_hw_rule_t *rule) | ||
459 | { | ||
460 | pmac_t *chip = rule->private; | ||
461 | pmac_stream_t *rec = snd_pmac_get_stream(chip, rule->deps[0]); | ||
462 | int i, freq_table[8], num_freqs; | ||
463 | |||
464 | snd_runtime_check(rec, return -EINVAL); | ||
465 | num_freqs = 0; | ||
466 | for (i = chip->num_freqs - 1; i >= 0; i--) { | ||
467 | if (rec->cur_freqs & (1 << i)) | ||
468 | freq_table[num_freqs++] = chip->freq_table[i]; | ||
469 | } | ||
470 | |||
471 | return snd_interval_list(hw_param_interval(params, rule->var), | ||
472 | num_freqs, freq_table, 0); | ||
473 | } | ||
474 | |||
475 | static int snd_pmac_hw_rule_format(snd_pcm_hw_params_t *params, | ||
476 | snd_pcm_hw_rule_t *rule) | ||
477 | { | ||
478 | pmac_t *chip = rule->private; | ||
479 | pmac_stream_t *rec = snd_pmac_get_stream(chip, rule->deps[0]); | ||
480 | |||
481 | snd_runtime_check(rec, return -EINVAL); | ||
482 | return snd_mask_refine_set(hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT), | ||
483 | rec->cur_formats); | ||
484 | } | ||
485 | #endif // NYI | ||
486 | |||
487 | static int snd_pmac_pcm_open(pmac_t *chip, pmac_stream_t *rec, snd_pcm_substream_t *subs) | ||
488 | { | ||
489 | snd_pcm_runtime_t *runtime = subs->runtime; | ||
490 | int i, j, fflags; | ||
491 | static int typical_freqs[] = { | ||
492 | 44100, | ||
493 | 22050, | ||
494 | 11025, | ||
495 | 0, | ||
496 | }; | ||
497 | static int typical_freq_flags[] = { | ||
498 | SNDRV_PCM_RATE_44100, | ||
499 | SNDRV_PCM_RATE_22050, | ||
500 | SNDRV_PCM_RATE_11025, | ||
501 | 0, | ||
502 | }; | ||
503 | |||
504 | /* look up frequency table and fill bit mask */ | ||
505 | runtime->hw.rates = 0; | ||
506 | fflags = chip->freqs_ok; | ||
507 | for (i = 0; typical_freqs[i]; i++) { | ||
508 | for (j = 0; j < chip->num_freqs; j++) { | ||
509 | if ((chip->freqs_ok & (1 << j)) && | ||
510 | chip->freq_table[j] == typical_freqs[i]) { | ||
511 | runtime->hw.rates |= typical_freq_flags[i]; | ||
512 | fflags &= ~(1 << j); | ||
513 | break; | ||
514 | } | ||
515 | } | ||
516 | } | ||
517 | if (fflags) /* rest */ | ||
518 | runtime->hw.rates |= SNDRV_PCM_RATE_KNOT; | ||
519 | |||
520 | /* check for minimum and maximum rates */ | ||
521 | for (i = 0; i < chip->num_freqs; i++) { | ||
522 | if (chip->freqs_ok & (1 << i)) { | ||
523 | runtime->hw.rate_max = chip->freq_table[i]; | ||
524 | break; | ||
525 | } | ||
526 | } | ||
527 | for (i = chip->num_freqs - 1; i >= 0; i--) { | ||
528 | if (chip->freqs_ok & (1 << i)) { | ||
529 | runtime->hw.rate_min = chip->freq_table[i]; | ||
530 | break; | ||
531 | } | ||
532 | } | ||
533 | runtime->hw.formats = chip->formats_ok; | ||
534 | if (chip->can_capture) { | ||
535 | if (! chip->can_duplex) | ||
536 | runtime->hw.info |= SNDRV_PCM_INFO_HALF_DUPLEX; | ||
537 | runtime->hw.info |= SNDRV_PCM_INFO_JOINT_DUPLEX; | ||
538 | } | ||
539 | runtime->private_data = rec; | ||
540 | rec->substream = subs; | ||
541 | |||
542 | #if 0 /* FIXME: still under development.. */ | ||
543 | snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, | ||
544 | snd_pmac_hw_rule_rate, chip, rec->stream, -1); | ||
545 | snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_FORMAT, | ||
546 | snd_pmac_hw_rule_format, chip, rec->stream, -1); | ||
547 | #endif | ||
548 | |||
549 | runtime->hw.periods_max = rec->cmd.size - 1; | ||
550 | |||
551 | if (chip->can_duplex) | ||
552 | snd_pcm_set_sync(subs); | ||
553 | |||
554 | /* constraints to fix choppy sound */ | ||
555 | snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); | ||
556 | return 0; | ||
557 | } | ||
558 | |||
559 | static int snd_pmac_pcm_close(pmac_t *chip, pmac_stream_t *rec, snd_pcm_substream_t *subs) | ||
560 | { | ||
561 | pmac_stream_t *astr; | ||
562 | |||
563 | snd_pmac_dma_stop(rec); | ||
564 | |||
565 | astr = snd_pmac_get_stream(chip, another_stream(rec->stream)); | ||
566 | snd_runtime_check(astr, return -EINVAL); | ||
567 | |||
568 | /* reset constraints */ | ||
569 | astr->cur_freqs = chip->freqs_ok; | ||
570 | astr->cur_formats = chip->formats_ok; | ||
571 | |||
572 | return 0; | ||
573 | } | ||
574 | |||
575 | static int snd_pmac_playback_open(snd_pcm_substream_t *subs) | ||
576 | { | ||
577 | pmac_t *chip = snd_pcm_substream_chip(subs); | ||
578 | |||
579 | subs->runtime->hw = snd_pmac_playback; | ||
580 | return snd_pmac_pcm_open(chip, &chip->playback, subs); | ||
581 | } | ||
582 | |||
583 | static int snd_pmac_capture_open(snd_pcm_substream_t *subs) | ||
584 | { | ||
585 | pmac_t *chip = snd_pcm_substream_chip(subs); | ||
586 | |||
587 | subs->runtime->hw = snd_pmac_capture; | ||
588 | return snd_pmac_pcm_open(chip, &chip->capture, subs); | ||
589 | } | ||
590 | |||
591 | static int snd_pmac_playback_close(snd_pcm_substream_t *subs) | ||
592 | { | ||
593 | pmac_t *chip = snd_pcm_substream_chip(subs); | ||
594 | |||
595 | return snd_pmac_pcm_close(chip, &chip->playback, subs); | ||
596 | } | ||
597 | |||
598 | static int snd_pmac_capture_close(snd_pcm_substream_t *subs) | ||
599 | { | ||
600 | pmac_t *chip = snd_pcm_substream_chip(subs); | ||
601 | |||
602 | return snd_pmac_pcm_close(chip, &chip->capture, subs); | ||
603 | } | ||
604 | |||
605 | /* | ||
606 | */ | ||
607 | |||
608 | static snd_pcm_ops_t snd_pmac_playback_ops = { | ||
609 | .open = snd_pmac_playback_open, | ||
610 | .close = snd_pmac_playback_close, | ||
611 | .ioctl = snd_pcm_lib_ioctl, | ||
612 | .hw_params = snd_pmac_pcm_hw_params, | ||
613 | .hw_free = snd_pmac_pcm_hw_free, | ||
614 | .prepare = snd_pmac_playback_prepare, | ||
615 | .trigger = snd_pmac_playback_trigger, | ||
616 | .pointer = snd_pmac_playback_pointer, | ||
617 | }; | ||
618 | |||
619 | static snd_pcm_ops_t snd_pmac_capture_ops = { | ||
620 | .open = snd_pmac_capture_open, | ||
621 | .close = snd_pmac_capture_close, | ||
622 | .ioctl = snd_pcm_lib_ioctl, | ||
623 | .hw_params = snd_pmac_pcm_hw_params, | ||
624 | .hw_free = snd_pmac_pcm_hw_free, | ||
625 | .prepare = snd_pmac_capture_prepare, | ||
626 | .trigger = snd_pmac_capture_trigger, | ||
627 | .pointer = snd_pmac_capture_pointer, | ||
628 | }; | ||
629 | |||
630 | static void pmac_pcm_free(snd_pcm_t *pcm) | ||
631 | { | ||
632 | snd_pcm_lib_preallocate_free_for_all(pcm); | ||
633 | } | ||
634 | |||
635 | int __init snd_pmac_pcm_new(pmac_t *chip) | ||
636 | { | ||
637 | snd_pcm_t *pcm; | ||
638 | int err; | ||
639 | int num_captures = 1; | ||
640 | |||
641 | if (! chip->can_capture) | ||
642 | num_captures = 0; | ||
643 | err = snd_pcm_new(chip->card, chip->card->driver, 0, 1, num_captures, &pcm); | ||
644 | if (err < 0) | ||
645 | return err; | ||
646 | |||
647 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_pmac_playback_ops); | ||
648 | if (chip->can_capture) | ||
649 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_pmac_capture_ops); | ||
650 | |||
651 | pcm->private_data = chip; | ||
652 | pcm->private_free = pmac_pcm_free; | ||
653 | pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX; | ||
654 | strcpy(pcm->name, chip->card->shortname); | ||
655 | chip->pcm = pcm; | ||
656 | |||
657 | chip->formats_ok = SNDRV_PCM_FMTBIT_S16_BE; | ||
658 | if (chip->can_byte_swap) | ||
659 | chip->formats_ok |= SNDRV_PCM_FMTBIT_S16_LE; | ||
660 | |||
661 | chip->playback.cur_formats = chip->formats_ok; | ||
662 | chip->capture.cur_formats = chip->formats_ok; | ||
663 | chip->playback.cur_freqs = chip->freqs_ok; | ||
664 | chip->capture.cur_freqs = chip->freqs_ok; | ||
665 | |||
666 | /* preallocate 64k buffer */ | ||
667 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS, | ||
668 | snd_dma_continuous_data(GFP_KERNEL), | ||
669 | 64 * 1024, 64 * 1024); | ||
670 | |||
671 | return 0; | ||
672 | } | ||
673 | |||
674 | |||
675 | static void snd_pmac_dbdma_reset(pmac_t *chip) | ||
676 | { | ||
677 | out_le32(&chip->playback.dma->control, (RUN|PAUSE|FLUSH|WAKE|DEAD) << 16); | ||
678 | snd_pmac_wait_ack(&chip->playback); | ||
679 | out_le32(&chip->capture.dma->control, (RUN|PAUSE|FLUSH|WAKE|DEAD) << 16); | ||
680 | snd_pmac_wait_ack(&chip->capture); | ||
681 | } | ||
682 | |||
683 | |||
684 | /* | ||
685 | * handling beep | ||
686 | */ | ||
687 | void snd_pmac_beep_dma_start(pmac_t *chip, int bytes, unsigned long addr, int speed) | ||
688 | { | ||
689 | pmac_stream_t *rec = &chip->playback; | ||
690 | |||
691 | snd_pmac_dma_stop(rec); | ||
692 | st_le16(&chip->extra_dma.cmds->req_count, bytes); | ||
693 | st_le16(&chip->extra_dma.cmds->xfer_status, 0); | ||
694 | st_le32(&chip->extra_dma.cmds->cmd_dep, chip->extra_dma.addr); | ||
695 | st_le32(&chip->extra_dma.cmds->phy_addr, addr); | ||
696 | st_le16(&chip->extra_dma.cmds->command, OUTPUT_MORE + BR_ALWAYS); | ||
697 | out_le32(&chip->awacs->control, | ||
698 | (in_le32(&chip->awacs->control) & ~0x1f00) | ||
699 | | (speed << 8)); | ||
700 | out_le32(&chip->awacs->byteswap, 0); | ||
701 | snd_pmac_dma_set_command(rec, &chip->extra_dma); | ||
702 | snd_pmac_dma_run(rec, RUN); | ||
703 | } | ||
704 | |||
705 | void snd_pmac_beep_dma_stop(pmac_t *chip) | ||
706 | { | ||
707 | snd_pmac_dma_stop(&chip->playback); | ||
708 | st_le16(&chip->extra_dma.cmds->command, DBDMA_STOP); | ||
709 | snd_pmac_pcm_set_format(chip); /* reset format */ | ||
710 | } | ||
711 | |||
712 | |||
713 | /* | ||
714 | * interrupt handlers | ||
715 | */ | ||
716 | static irqreturn_t | ||
717 | snd_pmac_tx_intr(int irq, void *devid, struct pt_regs *regs) | ||
718 | { | ||
719 | pmac_t *chip = devid; | ||
720 | snd_pmac_pcm_update(chip, &chip->playback); | ||
721 | return IRQ_HANDLED; | ||
722 | } | ||
723 | |||
724 | |||
725 | static irqreturn_t | ||
726 | snd_pmac_rx_intr(int irq, void *devid, struct pt_regs *regs) | ||
727 | { | ||
728 | pmac_t *chip = devid; | ||
729 | snd_pmac_pcm_update(chip, &chip->capture); | ||
730 | return IRQ_HANDLED; | ||
731 | } | ||
732 | |||
733 | |||
734 | static irqreturn_t | ||
735 | snd_pmac_ctrl_intr(int irq, void *devid, struct pt_regs *regs) | ||
736 | { | ||
737 | pmac_t *chip = devid; | ||
738 | int ctrl = in_le32(&chip->awacs->control); | ||
739 | |||
740 | /*printk("pmac: control interrupt.. 0x%x\n", ctrl);*/ | ||
741 | if (ctrl & MASK_PORTCHG) { | ||
742 | /* do something when headphone is plugged/unplugged? */ | ||
743 | if (chip->update_automute) | ||
744 | chip->update_automute(chip, 1); | ||
745 | } | ||
746 | if (ctrl & MASK_CNTLERR) { | ||
747 | int err = (in_le32(&chip->awacs->codec_stat) & MASK_ERRCODE) >> 16; | ||
748 | if (err && chip->model <= PMAC_SCREAMER) | ||
749 | snd_printk(KERN_DEBUG "error %x\n", err); | ||
750 | } | ||
751 | /* Writing 1s to the CNTLERR and PORTCHG bits clears them... */ | ||
752 | out_le32(&chip->awacs->control, ctrl); | ||
753 | return IRQ_HANDLED; | ||
754 | } | ||
755 | |||
756 | |||
757 | /* | ||
758 | * a wrapper to feature call for compatibility | ||
759 | */ | ||
760 | #if defined(CONFIG_PM) && defined(CONFIG_PMAC_PBOOK) | ||
761 | static void snd_pmac_sound_feature(pmac_t *chip, int enable) | ||
762 | { | ||
763 | #ifdef CONFIG_PPC_HAS_FEATURE_CALLS | ||
764 | ppc_md.feature_call(PMAC_FTR_SOUND_CHIP_ENABLE, chip->node, 0, enable); | ||
765 | #else | ||
766 | if (chip->is_pbook_G3) { | ||
767 | pmu_suspend(); | ||
768 | feature_clear(chip->node, FEATURE_Sound_power); | ||
769 | feature_clear(chip->node, FEATURE_Sound_CLK_enable); | ||
770 | big_mdelay(1000); /* XXX */ | ||
771 | pmu_resume(); | ||
772 | } | ||
773 | if (chip->is_pbook_3400) { | ||
774 | feature_set(chip->node, FEATURE_IOBUS_enable); | ||
775 | udelay(10); | ||
776 | } | ||
777 | #endif | ||
778 | } | ||
779 | #else /* CONFIG_PM && CONFIG_PMAC_PBOOK */ | ||
780 | #define snd_pmac_sound_feature(chip,enable) /**/ | ||
781 | #endif /* CONFIG_PM && CONFIG_PMAC_PBOOK */ | ||
782 | |||
783 | /* | ||
784 | * release resources | ||
785 | */ | ||
786 | |||
787 | static int snd_pmac_free(pmac_t *chip) | ||
788 | { | ||
789 | int i; | ||
790 | |||
791 | /* stop sounds */ | ||
792 | if (chip->initialized) { | ||
793 | snd_pmac_dbdma_reset(chip); | ||
794 | /* disable interrupts from awacs interface */ | ||
795 | out_le32(&chip->awacs->control, in_le32(&chip->awacs->control) & 0xfff); | ||
796 | } | ||
797 | |||
798 | snd_pmac_sound_feature(chip, 0); | ||
799 | #if defined(CONFIG_PM) && defined(CONFIG_PMAC_PBOOK) | ||
800 | snd_pmac_unregister_sleep_notifier(chip); | ||
801 | #endif | ||
802 | |||
803 | /* clean up mixer if any */ | ||
804 | if (chip->mixer_free) | ||
805 | chip->mixer_free(chip); | ||
806 | |||
807 | snd_pmac_detach_beep(chip); | ||
808 | |||
809 | /* release resources */ | ||
810 | if (chip->irq >= 0) | ||
811 | free_irq(chip->irq, (void*)chip); | ||
812 | if (chip->tx_irq >= 0) | ||
813 | free_irq(chip->tx_irq, (void*)chip); | ||
814 | if (chip->rx_irq >= 0) | ||
815 | free_irq(chip->rx_irq, (void*)chip); | ||
816 | snd_pmac_dbdma_free(&chip->playback.cmd); | ||
817 | snd_pmac_dbdma_free(&chip->capture.cmd); | ||
818 | snd_pmac_dbdma_free(&chip->extra_dma); | ||
819 | if (chip->macio_base) | ||
820 | iounmap(chip->macio_base); | ||
821 | if (chip->latch_base) | ||
822 | iounmap(chip->latch_base); | ||
823 | if (chip->awacs) | ||
824 | iounmap(chip->awacs); | ||
825 | if (chip->playback.dma) | ||
826 | iounmap(chip->playback.dma); | ||
827 | if (chip->capture.dma) | ||
828 | iounmap(chip->capture.dma); | ||
829 | if (chip->node) { | ||
830 | for (i = 0; i < 3; i++) { | ||
831 | if (chip->of_requested & (1 << i)) | ||
832 | release_OF_resource(chip->node, i); | ||
833 | } | ||
834 | } | ||
835 | kfree(chip); | ||
836 | return 0; | ||
837 | } | ||
838 | |||
839 | |||
840 | /* | ||
841 | * free the device | ||
842 | */ | ||
843 | static int snd_pmac_dev_free(snd_device_t *device) | ||
844 | { | ||
845 | pmac_t *chip = device->device_data; | ||
846 | return snd_pmac_free(chip); | ||
847 | } | ||
848 | |||
849 | |||
850 | /* | ||
851 | * check the machine support byteswap (little-endian) | ||
852 | */ | ||
853 | |||
854 | static void __init detect_byte_swap(pmac_t *chip) | ||
855 | { | ||
856 | struct device_node *mio; | ||
857 | |||
858 | /* if seems that Keylargo can't byte-swap */ | ||
859 | for (mio = chip->node->parent; mio; mio = mio->parent) { | ||
860 | if (strcmp(mio->name, "mac-io") == 0) { | ||
861 | if (device_is_compatible(mio, "Keylargo")) | ||
862 | chip->can_byte_swap = 0; | ||
863 | break; | ||
864 | } | ||
865 | } | ||
866 | |||
867 | /* it seems the Pismo & iBook can't byte-swap in hardware. */ | ||
868 | if (machine_is_compatible("PowerBook3,1") || | ||
869 | machine_is_compatible("PowerBook2,1")) | ||
870 | chip->can_byte_swap = 0 ; | ||
871 | |||
872 | if (machine_is_compatible("PowerBook2,1")) | ||
873 | chip->can_duplex = 0; | ||
874 | } | ||
875 | |||
876 | |||
877 | /* | ||
878 | * detect a sound chip | ||
879 | */ | ||
880 | static int __init snd_pmac_detect(pmac_t *chip) | ||
881 | { | ||
882 | struct device_node *sound; | ||
883 | unsigned int *prop, l; | ||
884 | |||
885 | if (_machine != _MACH_Pmac) | ||
886 | return -ENODEV; | ||
887 | |||
888 | chip->subframe = 0; | ||
889 | chip->revision = 0; | ||
890 | chip->freqs_ok = 0xff; /* all ok */ | ||
891 | chip->model = PMAC_AWACS; | ||
892 | chip->can_byte_swap = 1; | ||
893 | chip->can_duplex = 1; | ||
894 | chip->can_capture = 1; | ||
895 | chip->num_freqs = ARRAY_SIZE(awacs_freqs); | ||
896 | chip->freq_table = awacs_freqs; | ||
897 | |||
898 | chip->control_mask = MASK_IEPC | MASK_IEE | 0x11; /* default */ | ||
899 | |||
900 | /* check machine type */ | ||
901 | if (machine_is_compatible("AAPL,3400/2400") | ||
902 | || machine_is_compatible("AAPL,3500")) | ||
903 | chip->is_pbook_3400 = 1; | ||
904 | else if (machine_is_compatible("PowerBook1,1") | ||
905 | || machine_is_compatible("AAPL,PowerBook1998")) | ||
906 | chip->is_pbook_G3 = 1; | ||
907 | chip->node = find_devices("awacs"); | ||
908 | if (chip->node) | ||
909 | return 0; /* ok */ | ||
910 | |||
911 | /* | ||
912 | * powermac G3 models have a node called "davbus" | ||
913 | * with a child called "sound". | ||
914 | */ | ||
915 | chip->node = find_devices("davbus"); | ||
916 | /* | ||
917 | * if we didn't find a davbus device, try 'i2s-a' since | ||
918 | * this seems to be what iBooks have | ||
919 | */ | ||
920 | if (! chip->node) | ||
921 | chip->node = find_devices("i2s-a"); | ||
922 | if (! chip->node) | ||
923 | return -ENODEV; | ||
924 | sound = find_devices("sound"); | ||
925 | while (sound && sound->parent != chip->node) | ||
926 | sound = sound->next; | ||
927 | if (! sound) | ||
928 | return -ENODEV; | ||
929 | prop = (unsigned int *) get_property(sound, "sub-frame", NULL); | ||
930 | if (prop && *prop < 16) | ||
931 | chip->subframe = *prop; | ||
932 | /* This should be verified on older screamers */ | ||
933 | if (device_is_compatible(sound, "screamer")) { | ||
934 | chip->model = PMAC_SCREAMER; | ||
935 | // chip->can_byte_swap = 0; /* FIXME: check this */ | ||
936 | } | ||
937 | if (device_is_compatible(sound, "burgundy")) { | ||
938 | chip->model = PMAC_BURGUNDY; | ||
939 | chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ | ||
940 | } | ||
941 | if (device_is_compatible(sound, "daca")) { | ||
942 | chip->model = PMAC_DACA; | ||
943 | chip->can_capture = 0; /* no capture */ | ||
944 | chip->can_duplex = 0; | ||
945 | // chip->can_byte_swap = 0; /* FIXME: check this */ | ||
946 | chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ | ||
947 | } | ||
948 | if (device_is_compatible(sound, "tumbler")) { | ||
949 | chip->model = PMAC_TUMBLER; | ||
950 | chip->can_capture = 0; /* no capture */ | ||
951 | chip->can_duplex = 0; | ||
952 | // chip->can_byte_swap = 0; /* FIXME: check this */ | ||
953 | chip->num_freqs = ARRAY_SIZE(tumbler_freqs); | ||
954 | chip->freq_table = tumbler_freqs; | ||
955 | chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ | ||
956 | } | ||
957 | if (device_is_compatible(sound, "snapper")) { | ||
958 | chip->model = PMAC_SNAPPER; | ||
959 | // chip->can_byte_swap = 0; /* FIXME: check this */ | ||
960 | chip->num_freqs = ARRAY_SIZE(tumbler_freqs); | ||
961 | chip->freq_table = tumbler_freqs; | ||
962 | chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ | ||
963 | } | ||
964 | if (device_is_compatible(sound, "AOAKeylargo")) { | ||
965 | /* Seems to support the stock AWACS frequencies, but has | ||
966 | a snapper mixer */ | ||
967 | chip->model = PMAC_SNAPPER; | ||
968 | // chip->can_byte_swap = 0; /* FIXME: check this */ | ||
969 | chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ | ||
970 | } | ||
971 | prop = (unsigned int *)get_property(sound, "device-id", NULL); | ||
972 | if (prop) | ||
973 | chip->device_id = *prop; | ||
974 | chip->has_iic = (find_devices("perch") != NULL); | ||
975 | |||
976 | detect_byte_swap(chip); | ||
977 | |||
978 | /* look for a property saying what sample rates | ||
979 | are available */ | ||
980 | prop = (unsigned int *) get_property(sound, "sample-rates", &l); | ||
981 | if (! prop) | ||
982 | prop = (unsigned int *) get_property(sound, "output-frame-rates", &l); | ||
983 | if (prop) { | ||
984 | int i; | ||
985 | chip->freqs_ok = 0; | ||
986 | for (l /= sizeof(int); l > 0; --l) { | ||
987 | unsigned int r = *prop++; | ||
988 | /* Apple 'Fixed' format */ | ||
989 | if (r >= 0x10000) | ||
990 | r >>= 16; | ||
991 | for (i = 0; i < chip->num_freqs; ++i) { | ||
992 | if (r == chip->freq_table[i]) { | ||
993 | chip->freqs_ok |= (1 << i); | ||
994 | break; | ||
995 | } | ||
996 | } | ||
997 | } | ||
998 | } else { | ||
999 | /* assume only 44.1khz */ | ||
1000 | chip->freqs_ok = 1; | ||
1001 | } | ||
1002 | |||
1003 | return 0; | ||
1004 | } | ||
1005 | |||
1006 | /* | ||
1007 | * exported - boolean info callbacks for ease of programming | ||
1008 | */ | ||
1009 | int snd_pmac_boolean_stereo_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) | ||
1010 | { | ||
1011 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | ||
1012 | uinfo->count = 2; | ||
1013 | uinfo->value.integer.min = 0; | ||
1014 | uinfo->value.integer.max = 1; | ||
1015 | return 0; | ||
1016 | } | ||
1017 | |||
1018 | int snd_pmac_boolean_mono_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) | ||
1019 | { | ||
1020 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | ||
1021 | uinfo->count = 1; | ||
1022 | uinfo->value.integer.min = 0; | ||
1023 | uinfo->value.integer.max = 1; | ||
1024 | return 0; | ||
1025 | } | ||
1026 | |||
1027 | #ifdef PMAC_SUPPORT_AUTOMUTE | ||
1028 | /* | ||
1029 | * auto-mute | ||
1030 | */ | ||
1031 | static int pmac_auto_mute_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) | ||
1032 | { | ||
1033 | pmac_t *chip = snd_kcontrol_chip(kcontrol); | ||
1034 | ucontrol->value.integer.value[0] = chip->auto_mute; | ||
1035 | return 0; | ||
1036 | } | ||
1037 | |||
1038 | static int pmac_auto_mute_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) | ||
1039 | { | ||
1040 | pmac_t *chip = snd_kcontrol_chip(kcontrol); | ||
1041 | if (ucontrol->value.integer.value[0] != chip->auto_mute) { | ||
1042 | chip->auto_mute = ucontrol->value.integer.value[0]; | ||
1043 | if (chip->update_automute) | ||
1044 | chip->update_automute(chip, 1); | ||
1045 | return 1; | ||
1046 | } | ||
1047 | return 0; | ||
1048 | } | ||
1049 | |||
1050 | static int pmac_hp_detect_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) | ||
1051 | { | ||
1052 | pmac_t *chip = snd_kcontrol_chip(kcontrol); | ||
1053 | if (chip->detect_headphone) | ||
1054 | ucontrol->value.integer.value[0] = chip->detect_headphone(chip); | ||
1055 | else | ||
1056 | ucontrol->value.integer.value[0] = 0; | ||
1057 | return 0; | ||
1058 | } | ||
1059 | |||
1060 | static snd_kcontrol_new_t auto_mute_controls[] __initdata = { | ||
1061 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | ||
1062 | .name = "Auto Mute Switch", | ||
1063 | .info = snd_pmac_boolean_mono_info, | ||
1064 | .get = pmac_auto_mute_get, | ||
1065 | .put = pmac_auto_mute_put, | ||
1066 | }, | ||
1067 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | ||
1068 | .name = "Headphone Detection", | ||
1069 | .access = SNDRV_CTL_ELEM_ACCESS_READ, | ||
1070 | .info = snd_pmac_boolean_mono_info, | ||
1071 | .get = pmac_hp_detect_get, | ||
1072 | }, | ||
1073 | }; | ||
1074 | |||
1075 | int __init snd_pmac_add_automute(pmac_t *chip) | ||
1076 | { | ||
1077 | int err; | ||
1078 | chip->auto_mute = 1; | ||
1079 | err = snd_ctl_add(chip->card, snd_ctl_new1(&auto_mute_controls[0], chip)); | ||
1080 | if (err < 0) | ||
1081 | return err; | ||
1082 | chip->hp_detect_ctl = snd_ctl_new1(&auto_mute_controls[1], chip); | ||
1083 | return snd_ctl_add(chip->card, chip->hp_detect_ctl); | ||
1084 | } | ||
1085 | #endif /* PMAC_SUPPORT_AUTOMUTE */ | ||
1086 | |||
1087 | /* | ||
1088 | * create and detect a pmac chip record | ||
1089 | */ | ||
1090 | int __init snd_pmac_new(snd_card_t *card, pmac_t **chip_return) | ||
1091 | { | ||
1092 | pmac_t *chip; | ||
1093 | struct device_node *np; | ||
1094 | int i, err; | ||
1095 | static snd_device_ops_t ops = { | ||
1096 | .dev_free = snd_pmac_dev_free, | ||
1097 | }; | ||
1098 | |||
1099 | snd_runtime_check(chip_return, return -EINVAL); | ||
1100 | *chip_return = NULL; | ||
1101 | |||
1102 | chip = kcalloc(1, sizeof(*chip), GFP_KERNEL); | ||
1103 | if (chip == NULL) | ||
1104 | return -ENOMEM; | ||
1105 | chip->card = card; | ||
1106 | |||
1107 | spin_lock_init(&chip->reg_lock); | ||
1108 | chip->irq = chip->tx_irq = chip->rx_irq = -1; | ||
1109 | |||
1110 | chip->playback.stream = SNDRV_PCM_STREAM_PLAYBACK; | ||
1111 | chip->capture.stream = SNDRV_PCM_STREAM_CAPTURE; | ||
1112 | |||
1113 | if ((err = snd_pmac_detect(chip)) < 0) | ||
1114 | goto __error; | ||
1115 | |||
1116 | if (snd_pmac_dbdma_alloc(&chip->playback.cmd, PMAC_MAX_FRAGS + 1) < 0 || | ||
1117 | snd_pmac_dbdma_alloc(&chip->capture.cmd, PMAC_MAX_FRAGS + 1) < 0 || | ||
1118 | snd_pmac_dbdma_alloc(&chip->extra_dma, 2) < 0) { | ||
1119 | err = -ENOMEM; | ||
1120 | goto __error; | ||
1121 | } | ||
1122 | |||
1123 | np = chip->node; | ||
1124 | if (np->n_addrs < 3 || np->n_intrs < 3) { | ||
1125 | err = -ENODEV; | ||
1126 | goto __error; | ||
1127 | } | ||
1128 | |||
1129 | for (i = 0; i < 3; i++) { | ||
1130 | static char *name[3] = { NULL, "- Tx DMA", "- Rx DMA" }; | ||
1131 | if (! request_OF_resource(np, i, name[i])) { | ||
1132 | snd_printk(KERN_ERR "pmac: can't request resource %d!\n", i); | ||
1133 | err = -ENODEV; | ||
1134 | goto __error; | ||
1135 | } | ||
1136 | chip->of_requested |= (1 << i); | ||
1137 | } | ||
1138 | |||
1139 | chip->awacs = ioremap(np->addrs[0].address, 0x1000); | ||
1140 | chip->playback.dma = ioremap(np->addrs[1].address, 0x100); | ||
1141 | chip->capture.dma = ioremap(np->addrs[2].address, 0x100); | ||
1142 | if (chip->model <= PMAC_BURGUNDY) { | ||
1143 | if (request_irq(np->intrs[0].line, snd_pmac_ctrl_intr, 0, | ||
1144 | "PMac", (void*)chip)) { | ||
1145 | snd_printk(KERN_ERR "pmac: unable to grab IRQ %d\n", np->intrs[0].line); | ||
1146 | err = -EBUSY; | ||
1147 | goto __error; | ||
1148 | } | ||
1149 | chip->irq = np->intrs[0].line; | ||
1150 | } | ||
1151 | if (request_irq(np->intrs[1].line, snd_pmac_tx_intr, 0, | ||
1152 | "PMac Output", (void*)chip)) { | ||
1153 | snd_printk(KERN_ERR "pmac: unable to grab IRQ %d\n", np->intrs[1].line); | ||
1154 | err = -EBUSY; | ||
1155 | goto __error; | ||
1156 | } | ||
1157 | chip->tx_irq = np->intrs[1].line; | ||
1158 | if (request_irq(np->intrs[2].line, snd_pmac_rx_intr, 0, | ||
1159 | "PMac Input", (void*)chip)) { | ||
1160 | snd_printk(KERN_ERR "pmac: unable to grab IRQ %d\n", np->intrs[2].line); | ||
1161 | err = -EBUSY; | ||
1162 | goto __error; | ||
1163 | } | ||
1164 | chip->rx_irq = np->intrs[2].line; | ||
1165 | |||
1166 | snd_pmac_sound_feature(chip, 1); | ||
1167 | |||
1168 | /* reset */ | ||
1169 | out_le32(&chip->awacs->control, 0x11); | ||
1170 | |||
1171 | /* Powerbooks have odd ways of enabling inputs such as | ||
1172 | an expansion-bay CD or sound from an internal modem | ||
1173 | or a PC-card modem. */ | ||
1174 | if (chip->is_pbook_3400) { | ||
1175 | /* Enable CD and PC-card sound inputs. */ | ||
1176 | /* This is done by reading from address | ||
1177 | * f301a000, + 0x10 to enable the expansion-bay | ||
1178 | * CD sound input, + 0x80 to enable the PC-card | ||
1179 | * sound input. The 0x100 enables the SCSI bus | ||
1180 | * terminator power. | ||
1181 | */ | ||
1182 | chip->latch_base = ioremap (0xf301a000, 0x1000); | ||
1183 | in_8(chip->latch_base + 0x190); | ||
1184 | } else if (chip->is_pbook_G3) { | ||
1185 | struct device_node* mio; | ||
1186 | for (mio = chip->node->parent; mio; mio = mio->parent) { | ||
1187 | if (strcmp(mio->name, "mac-io") == 0 | ||
1188 | && mio->n_addrs > 0) { | ||
1189 | chip->macio_base = ioremap(mio->addrs[0].address, 0x40); | ||
1190 | break; | ||
1191 | } | ||
1192 | } | ||
1193 | /* Enable CD sound input. */ | ||
1194 | /* The relevant bits for writing to this byte are 0x8f. | ||
1195 | * I haven't found out what the 0x80 bit does. | ||
1196 | * For the 0xf bits, writing 3 or 7 enables the CD | ||
1197 | * input, any other value disables it. Values | ||
1198 | * 1, 3, 5, 7 enable the microphone. Values 0, 2, | ||
1199 | * 4, 6, 8 - f enable the input from the modem. | ||
1200 | */ | ||
1201 | if (chip->macio_base) | ||
1202 | out_8(chip->macio_base + 0x37, 3); | ||
1203 | } | ||
1204 | |||
1205 | /* Reset dbdma channels */ | ||
1206 | snd_pmac_dbdma_reset(chip); | ||
1207 | |||
1208 | #if defined(CONFIG_PM) && defined(CONFIG_PMAC_PBOOK) | ||
1209 | /* add sleep notifier */ | ||
1210 | if (! snd_pmac_register_sleep_notifier(chip)) | ||
1211 | snd_card_set_pm_callback(chip->card, snd_pmac_suspend, snd_pmac_resume, chip); | ||
1212 | #endif | ||
1213 | |||
1214 | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) | ||
1215 | goto __error; | ||
1216 | |||
1217 | *chip_return = chip; | ||
1218 | return 0; | ||
1219 | |||
1220 | __error: | ||
1221 | snd_pmac_free(chip); | ||
1222 | return err; | ||
1223 | } | ||
1224 | |||
1225 | |||
1226 | /* | ||
1227 | * sleep notify for powerbook | ||
1228 | */ | ||
1229 | |||
1230 | #if defined(CONFIG_PM) && defined(CONFIG_PMAC_PBOOK) | ||
1231 | |||
1232 | /* | ||
1233 | * Save state when going to sleep, restore it afterwards. | ||
1234 | */ | ||
1235 | |||
1236 | static int snd_pmac_suspend(snd_card_t *card, pm_message_t state) | ||
1237 | { | ||
1238 | pmac_t *chip = card->pm_private_data; | ||
1239 | unsigned long flags; | ||
1240 | |||
1241 | if (chip->suspend) | ||
1242 | chip->suspend(chip); | ||
1243 | snd_pcm_suspend_all(chip->pcm); | ||
1244 | spin_lock_irqsave(&chip->reg_lock, flags); | ||
1245 | snd_pmac_beep_stop(chip); | ||
1246 | spin_unlock_irqrestore(&chip->reg_lock, flags); | ||
1247 | if (chip->irq >= 0) | ||
1248 | disable_irq(chip->irq); | ||
1249 | if (chip->tx_irq >= 0) | ||
1250 | disable_irq(chip->tx_irq); | ||
1251 | if (chip->rx_irq >= 0) | ||
1252 | disable_irq(chip->rx_irq); | ||
1253 | snd_pmac_sound_feature(chip, 0); | ||
1254 | return 0; | ||
1255 | } | ||
1256 | |||
1257 | static int snd_pmac_resume(snd_card_t *card) | ||
1258 | { | ||
1259 | pmac_t *chip = card->pm_private_data; | ||
1260 | |||
1261 | snd_pmac_sound_feature(chip, 1); | ||
1262 | if (chip->resume) | ||
1263 | chip->resume(chip); | ||
1264 | /* enable CD sound input */ | ||
1265 | if (chip->macio_base && chip->is_pbook_G3) { | ||
1266 | out_8(chip->macio_base + 0x37, 3); | ||
1267 | } else if (chip->is_pbook_3400) { | ||
1268 | in_8(chip->latch_base + 0x190); | ||
1269 | } | ||
1270 | |||
1271 | snd_pmac_pcm_set_format(chip); | ||
1272 | |||
1273 | if (chip->irq >= 0) | ||
1274 | enable_irq(chip->irq); | ||
1275 | if (chip->tx_irq >= 0) | ||
1276 | enable_irq(chip->tx_irq); | ||
1277 | if (chip->rx_irq >= 0) | ||
1278 | enable_irq(chip->rx_irq); | ||
1279 | |||
1280 | return 0; | ||
1281 | } | ||
1282 | |||
1283 | /* the chip is stored statically by snd_pmac_register_sleep_notifier | ||
1284 | * because we can't have any private data for notify callback. | ||
1285 | */ | ||
1286 | static pmac_t *sleeping_pmac = NULL; | ||
1287 | |||
1288 | static int snd_pmac_sleep_notify(struct pmu_sleep_notifier *self, int when) | ||
1289 | { | ||
1290 | pmac_t *chip; | ||
1291 | |||
1292 | chip = sleeping_pmac; | ||
1293 | snd_runtime_check(chip, return 0); | ||
1294 | |||
1295 | switch (when) { | ||
1296 | case PBOOK_SLEEP_NOW: | ||
1297 | snd_pmac_suspend(chip->card, PMSG_SUSPEND); | ||
1298 | break; | ||
1299 | case PBOOK_WAKE: | ||
1300 | snd_pmac_resume(chip->card); | ||
1301 | break; | ||
1302 | } | ||
1303 | return PBOOK_SLEEP_OK; | ||
1304 | } | ||
1305 | |||
1306 | static struct pmu_sleep_notifier snd_pmac_sleep_notifier = { | ||
1307 | snd_pmac_sleep_notify, SLEEP_LEVEL_SOUND, | ||
1308 | }; | ||
1309 | |||
1310 | static int __init snd_pmac_register_sleep_notifier(pmac_t *chip) | ||
1311 | { | ||
1312 | /* should be protected here.. */ | ||
1313 | snd_assert(! sleeping_pmac, return -EBUSY); | ||
1314 | sleeping_pmac = chip; | ||
1315 | pmu_register_sleep_notifier(&snd_pmac_sleep_notifier); | ||
1316 | return 0; | ||
1317 | } | ||
1318 | |||
1319 | static int snd_pmac_unregister_sleep_notifier(pmac_t *chip) | ||
1320 | { | ||
1321 | /* should be protected here.. */ | ||
1322 | snd_assert(sleeping_pmac == chip, return -ENODEV); | ||
1323 | pmu_unregister_sleep_notifier(&snd_pmac_sleep_notifier); | ||
1324 | sleeping_pmac = NULL; | ||
1325 | return 0; | ||
1326 | } | ||
1327 | |||
1328 | #endif /* CONFIG_PM && CONFIG_PMAC_PBOOK */ | ||