]>
Commit | Line | Data |
---|---|---|
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 <linux/pci.h> | |
31 | #include <linux/dma-mapping.h> | |
32 | #include <sound/core.h> | |
33 | #include "pmac.h" | |
34 | #include <sound/pcm_params.h> | |
35 | #include <asm/pmac_feature.h> | |
36 | #include <asm/pci-bridge.h> | |
37 | ||
38 | ||
39 | /* fixed frequency table for awacs, screamer, burgundy, DACA (44100 max) */ | |
40 | static int awacs_freqs[8] = { | |
41 | 44100, 29400, 22050, 17640, 14700, 11025, 8820, 7350 | |
42 | }; | |
43 | /* fixed frequency table for tumbler */ | |
44 | static int tumbler_freqs[1] = { | |
45 | 44100 | |
46 | }; | |
47 | ||
48 | /* | |
49 | * allocate DBDMA command arrays | |
50 | */ | |
51 | static int snd_pmac_dbdma_alloc(struct snd_pmac *chip, struct pmac_dbdma *rec, int size) | |
52 | { | |
53 | unsigned int rsize = sizeof(struct dbdma_cmd) * (size + 1); | |
54 | ||
55 | rec->space = dma_alloc_coherent(&chip->pdev->dev, rsize, | |
56 | &rec->dma_base, GFP_KERNEL); | |
57 | if (rec->space == NULL) | |
58 | return -ENOMEM; | |
59 | rec->size = size; | |
60 | memset(rec->space, 0, rsize); | |
61 | rec->cmds = (void __iomem *)DBDMA_ALIGN(rec->space); | |
62 | rec->addr = rec->dma_base + (unsigned long)((char *)rec->cmds - (char *)rec->space); | |
63 | ||
64 | return 0; | |
65 | } | |
66 | ||
67 | static void snd_pmac_dbdma_free(struct snd_pmac *chip, struct pmac_dbdma *rec) | |
68 | { | |
69 | if (rec->space) { | |
70 | unsigned int rsize = sizeof(struct dbdma_cmd) * (rec->size + 1); | |
71 | ||
72 | dma_free_coherent(&chip->pdev->dev, rsize, rec->space, rec->dma_base); | |
73 | } | |
74 | } | |
75 | ||
76 | ||
77 | /* | |
78 | * pcm stuff | |
79 | */ | |
80 | ||
81 | /* | |
82 | * look up frequency table | |
83 | */ | |
84 | ||
85 | unsigned int snd_pmac_rate_index(struct snd_pmac *chip, struct pmac_stream *rec, unsigned int rate) | |
86 | { | |
87 | int i, ok, found; | |
88 | ||
89 | ok = rec->cur_freqs; | |
90 | if (rate > chip->freq_table[0]) | |
91 | return 0; | |
92 | found = 0; | |
93 | for (i = 0; i < chip->num_freqs; i++, ok >>= 1) { | |
94 | if (! (ok & 1)) continue; | |
95 | found = i; | |
96 | if (rate >= chip->freq_table[i]) | |
97 | break; | |
98 | } | |
99 | return found; | |
100 | } | |
101 | ||
102 | /* | |
103 | * check whether another stream is active | |
104 | */ | |
105 | static inline int another_stream(int stream) | |
106 | { | |
107 | return (stream == SNDRV_PCM_STREAM_PLAYBACK) ? | |
108 | SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; | |
109 | } | |
110 | ||
111 | /* | |
112 | * allocate buffers | |
113 | */ | |
114 | static int snd_pmac_pcm_hw_params(struct snd_pcm_substream *subs, | |
115 | struct snd_pcm_hw_params *hw_params) | |
116 | { | |
117 | return snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw_params)); | |
118 | } | |
119 | ||
120 | /* | |
121 | * release buffers | |
122 | */ | |
123 | static int snd_pmac_pcm_hw_free(struct snd_pcm_substream *subs) | |
124 | { | |
125 | snd_pcm_lib_free_pages(subs); | |
126 | return 0; | |
127 | } | |
128 | ||
129 | /* | |
130 | * get a stream of the opposite direction | |
131 | */ | |
132 | static struct pmac_stream *snd_pmac_get_stream(struct snd_pmac *chip, int stream) | |
133 | { | |
134 | switch (stream) { | |
135 | case SNDRV_PCM_STREAM_PLAYBACK: | |
136 | return &chip->playback; | |
137 | case SNDRV_PCM_STREAM_CAPTURE: | |
138 | return &chip->capture; | |
139 | default: | |
140 | snd_BUG(); | |
141 | return NULL; | |
142 | } | |
143 | } | |
144 | ||
145 | /* | |
146 | * wait while run status is on | |
147 | */ | |
148 | static inline void | |
149 | snd_pmac_wait_ack(struct pmac_stream *rec) | |
150 | { | |
151 | int timeout = 50000; | |
152 | while ((in_le32(&rec->dma->status) & RUN) && timeout-- > 0) | |
153 | udelay(1); | |
154 | } | |
155 | ||
156 | /* | |
157 | * set the format and rate to the chip. | |
158 | * call the lowlevel function if defined (e.g. for AWACS). | |
159 | */ | |
160 | static void snd_pmac_pcm_set_format(struct snd_pmac *chip) | |
161 | { | |
162 | /* set up frequency and format */ | |
163 | out_le32(&chip->awacs->control, chip->control_mask | (chip->rate_index << 8)); | |
164 | out_le32(&chip->awacs->byteswap, chip->format == SNDRV_PCM_FORMAT_S16_LE ? 1 : 0); | |
165 | if (chip->set_format) | |
166 | chip->set_format(chip); | |
167 | } | |
168 | ||
169 | /* | |
170 | * stop the DMA transfer | |
171 | */ | |
172 | static inline void snd_pmac_dma_stop(struct pmac_stream *rec) | |
173 | { | |
174 | out_le32(&rec->dma->control, (RUN|WAKE|FLUSH|PAUSE) << 16); | |
175 | snd_pmac_wait_ack(rec); | |
176 | } | |
177 | ||
178 | /* | |
179 | * set the command pointer address | |
180 | */ | |
181 | static inline void snd_pmac_dma_set_command(struct pmac_stream *rec, struct pmac_dbdma *cmd) | |
182 | { | |
183 | out_le32(&rec->dma->cmdptr, cmd->addr); | |
184 | } | |
185 | ||
186 | /* | |
187 | * start the DMA | |
188 | */ | |
189 | static inline void snd_pmac_dma_run(struct pmac_stream *rec, int status) | |
190 | { | |
191 | out_le32(&rec->dma->control, status | (status << 16)); | |
192 | } | |
193 | ||
194 | ||
195 | /* | |
196 | * prepare playback/capture stream | |
197 | */ | |
198 | static int snd_pmac_pcm_prepare(struct snd_pmac *chip, struct pmac_stream *rec, struct snd_pcm_substream *subs) | |
199 | { | |
200 | int i; | |
201 | volatile struct dbdma_cmd __iomem *cp; | |
202 | struct snd_pcm_runtime *runtime = subs->runtime; | |
203 | int rate_index; | |
204 | long offset; | |
205 | struct pmac_stream *astr; | |
206 | ||
207 | rec->dma_size = snd_pcm_lib_buffer_bytes(subs); | |
208 | rec->period_size = snd_pcm_lib_period_bytes(subs); | |
209 | rec->nperiods = rec->dma_size / rec->period_size; | |
210 | rec->cur_period = 0; | |
211 | rate_index = snd_pmac_rate_index(chip, rec, runtime->rate); | |
212 | ||
213 | /* set up constraints */ | |
214 | astr = snd_pmac_get_stream(chip, another_stream(rec->stream)); | |
215 | if (! astr) | |
216 | return -EINVAL; | |
217 | astr->cur_freqs = 1 << rate_index; | |
218 | astr->cur_formats = 1 << runtime->format; | |
219 | chip->rate_index = rate_index; | |
220 | chip->format = runtime->format; | |
221 | ||
222 | /* We really want to execute a DMA stop command, after the AWACS | |
223 | * is initialized. | |
224 | * For reasons I don't understand, it stops the hissing noise | |
225 | * common to many PowerBook G3 systems and random noise otherwise | |
226 | * captured on iBook2's about every third time. -ReneR | |
227 | */ | |
228 | spin_lock_irq(&chip->reg_lock); | |
229 | snd_pmac_dma_stop(rec); | |
230 | st_le16(&chip->extra_dma.cmds->command, DBDMA_STOP); | |
231 | snd_pmac_dma_set_command(rec, &chip->extra_dma); | |
232 | snd_pmac_dma_run(rec, RUN); | |
233 | spin_unlock_irq(&chip->reg_lock); | |
234 | mdelay(5); | |
235 | spin_lock_irq(&chip->reg_lock); | |
236 | /* continuous DMA memory type doesn't provide the physical address, | |
237 | * so we need to resolve the address here... | |
238 | */ | |
239 | offset = runtime->dma_addr; | |
240 | for (i = 0, cp = rec->cmd.cmds; i < rec->nperiods; i++, cp++) { | |
241 | st_le32(&cp->phy_addr, offset); | |
242 | st_le16(&cp->req_count, rec->period_size); | |
243 | /*st_le16(&cp->res_count, 0);*/ | |
244 | st_le16(&cp->xfer_status, 0); | |
245 | offset += rec->period_size; | |
246 | } | |
247 | /* make loop */ | |
248 | st_le16(&cp->command, DBDMA_NOP + BR_ALWAYS); | |
249 | st_le32(&cp->cmd_dep, rec->cmd.addr); | |
250 | ||
251 | snd_pmac_dma_stop(rec); | |
252 | snd_pmac_dma_set_command(rec, &rec->cmd); | |
253 | spin_unlock_irq(&chip->reg_lock); | |
254 | ||
255 | return 0; | |
256 | } | |
257 | ||
258 | ||
259 | /* | |
260 | * PCM trigger/stop | |
261 | */ | |
262 | static int snd_pmac_pcm_trigger(struct snd_pmac *chip, struct pmac_stream *rec, | |
263 | struct snd_pcm_substream *subs, int cmd) | |
264 | { | |
265 | volatile struct dbdma_cmd __iomem *cp; | |
266 | int i, command; | |
267 | ||
268 | switch (cmd) { | |
269 | case SNDRV_PCM_TRIGGER_START: | |
270 | case SNDRV_PCM_TRIGGER_RESUME: | |
271 | if (rec->running) | |
272 | return -EBUSY; | |
273 | command = (subs->stream == SNDRV_PCM_STREAM_PLAYBACK ? | |
274 | OUTPUT_MORE : INPUT_MORE) + INTR_ALWAYS; | |
275 | spin_lock(&chip->reg_lock); | |
276 | snd_pmac_beep_stop(chip); | |
277 | snd_pmac_pcm_set_format(chip); | |
278 | for (i = 0, cp = rec->cmd.cmds; i < rec->nperiods; i++, cp++) | |
279 | out_le16(&cp->command, command); | |
280 | snd_pmac_dma_set_command(rec, &rec->cmd); | |
281 | (void)in_le32(&rec->dma->status); | |
282 | snd_pmac_dma_run(rec, RUN|WAKE); | |
283 | rec->running = 1; | |
284 | spin_unlock(&chip->reg_lock); | |
285 | break; | |
286 | ||
287 | case SNDRV_PCM_TRIGGER_STOP: | |
288 | case SNDRV_PCM_TRIGGER_SUSPEND: | |
289 | spin_lock(&chip->reg_lock); | |
290 | rec->running = 0; | |
291 | /*printk("stopped!!\n");*/ | |
292 | snd_pmac_dma_stop(rec); | |
293 | for (i = 0, cp = rec->cmd.cmds; i < rec->nperiods; i++, cp++) | |
294 | out_le16(&cp->command, DBDMA_STOP); | |
295 | spin_unlock(&chip->reg_lock); | |
296 | break; | |
297 | ||
298 | default: | |
299 | return -EINVAL; | |
300 | } | |
301 | ||
302 | return 0; | |
303 | } | |
304 | ||
305 | /* | |
306 | * return the current pointer | |
307 | */ | |
308 | inline | |
309 | static snd_pcm_uframes_t snd_pmac_pcm_pointer(struct snd_pmac *chip, | |
310 | struct pmac_stream *rec, | |
311 | struct snd_pcm_substream *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(struct snd_pcm_substream *subs) | |
335 | { | |
336 | struct snd_pmac *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(struct snd_pcm_substream *subs, | |
341 | int cmd) | |
342 | { | |
343 | struct snd_pmac *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(struct snd_pcm_substream *subs) | |
348 | { | |
349 | struct snd_pmac *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(struct snd_pcm_substream *subs) | |
359 | { | |
360 | struct snd_pmac *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(struct snd_pcm_substream *subs, | |
365 | int cmd) | |
366 | { | |
367 | struct snd_pmac *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(struct snd_pcm_substream *subs) | |
372 | { | |
373 | struct snd_pmac *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(struct snd_pmac *chip, struct pmac_stream *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 struct snd_pcm_hardware 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 struct snd_pcm_hardware 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(struct snd_pcm_hw_params *params, | |
458 | struct snd_pcm_hw_rule *rule) | |
459 | { | |
460 | struct snd_pmac *chip = rule->private; | |
461 | struct pmac_stream *rec = snd_pmac_get_stream(chip, rule->deps[0]); | |
462 | int i, freq_table[8], num_freqs; | |
463 | ||
464 | if (! rec) | |
465 | return -EINVAL; | |
466 | num_freqs = 0; | |
467 | for (i = chip->num_freqs - 1; i >= 0; i--) { | |
468 | if (rec->cur_freqs & (1 << i)) | |
469 | freq_table[num_freqs++] = chip->freq_table[i]; | |
470 | } | |
471 | ||
472 | return snd_interval_list(hw_param_interval(params, rule->var), | |
473 | num_freqs, freq_table, 0); | |
474 | } | |
475 | ||
476 | static int snd_pmac_hw_rule_format(struct snd_pcm_hw_params *params, | |
477 | struct snd_pcm_hw_rule *rule) | |
478 | { | |
479 | struct snd_pmac *chip = rule->private; | |
480 | struct pmac_stream *rec = snd_pmac_get_stream(chip, rule->deps[0]); | |
481 | ||
482 | if (! rec) | |
483 | return -EINVAL; | |
484 | return snd_mask_refine_set(hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT), | |
485 | rec->cur_formats); | |
486 | } | |
487 | #endif // NYI | |
488 | ||
489 | static int snd_pmac_pcm_open(struct snd_pmac *chip, struct pmac_stream *rec, | |
490 | struct snd_pcm_substream *subs) | |
491 | { | |
492 | struct snd_pcm_runtime *runtime = subs->runtime; | |
493 | int i, j, fflags; | |
494 | static int typical_freqs[] = { | |
495 | 44100, | |
496 | 22050, | |
497 | 11025, | |
498 | 0, | |
499 | }; | |
500 | static int typical_freq_flags[] = { | |
501 | SNDRV_PCM_RATE_44100, | |
502 | SNDRV_PCM_RATE_22050, | |
503 | SNDRV_PCM_RATE_11025, | |
504 | 0, | |
505 | }; | |
506 | ||
507 | /* look up frequency table and fill bit mask */ | |
508 | runtime->hw.rates = 0; | |
509 | fflags = chip->freqs_ok; | |
510 | for (i = 0; typical_freqs[i]; i++) { | |
511 | for (j = 0; j < chip->num_freqs; j++) { | |
512 | if ((chip->freqs_ok & (1 << j)) && | |
513 | chip->freq_table[j] == typical_freqs[i]) { | |
514 | runtime->hw.rates |= typical_freq_flags[i]; | |
515 | fflags &= ~(1 << j); | |
516 | break; | |
517 | } | |
518 | } | |
519 | } | |
520 | if (fflags) /* rest */ | |
521 | runtime->hw.rates |= SNDRV_PCM_RATE_KNOT; | |
522 | ||
523 | /* check for minimum and maximum rates */ | |
524 | for (i = 0; i < chip->num_freqs; i++) { | |
525 | if (chip->freqs_ok & (1 << i)) { | |
526 | runtime->hw.rate_max = chip->freq_table[i]; | |
527 | break; | |
528 | } | |
529 | } | |
530 | for (i = chip->num_freqs - 1; i >= 0; i--) { | |
531 | if (chip->freqs_ok & (1 << i)) { | |
532 | runtime->hw.rate_min = chip->freq_table[i]; | |
533 | break; | |
534 | } | |
535 | } | |
536 | runtime->hw.formats = chip->formats_ok; | |
537 | if (chip->can_capture) { | |
538 | if (! chip->can_duplex) | |
539 | runtime->hw.info |= SNDRV_PCM_INFO_HALF_DUPLEX; | |
540 | runtime->hw.info |= SNDRV_PCM_INFO_JOINT_DUPLEX; | |
541 | } | |
542 | runtime->private_data = rec; | |
543 | rec->substream = subs; | |
544 | ||
545 | #if 0 /* FIXME: still under development.. */ | |
546 | snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, | |
547 | snd_pmac_hw_rule_rate, chip, rec->stream, -1); | |
548 | snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_FORMAT, | |
549 | snd_pmac_hw_rule_format, chip, rec->stream, -1); | |
550 | #endif | |
551 | ||
552 | runtime->hw.periods_max = rec->cmd.size - 1; | |
553 | ||
554 | if (chip->can_duplex) | |
555 | snd_pcm_set_sync(subs); | |
556 | ||
557 | /* constraints to fix choppy sound */ | |
558 | snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); | |
559 | return 0; | |
560 | } | |
561 | ||
562 | static int snd_pmac_pcm_close(struct snd_pmac *chip, struct pmac_stream *rec, | |
563 | struct snd_pcm_substream *subs) | |
564 | { | |
565 | struct pmac_stream *astr; | |
566 | ||
567 | snd_pmac_dma_stop(rec); | |
568 | ||
569 | astr = snd_pmac_get_stream(chip, another_stream(rec->stream)); | |
570 | if (! astr) | |
571 | return -EINVAL; | |
572 | ||
573 | /* reset constraints */ | |
574 | astr->cur_freqs = chip->freqs_ok; | |
575 | astr->cur_formats = chip->formats_ok; | |
576 | ||
577 | return 0; | |
578 | } | |
579 | ||
580 | static int snd_pmac_playback_open(struct snd_pcm_substream *subs) | |
581 | { | |
582 | struct snd_pmac *chip = snd_pcm_substream_chip(subs); | |
583 | ||
584 | subs->runtime->hw = snd_pmac_playback; | |
585 | return snd_pmac_pcm_open(chip, &chip->playback, subs); | |
586 | } | |
587 | ||
588 | static int snd_pmac_capture_open(struct snd_pcm_substream *subs) | |
589 | { | |
590 | struct snd_pmac *chip = snd_pcm_substream_chip(subs); | |
591 | ||
592 | subs->runtime->hw = snd_pmac_capture; | |
593 | return snd_pmac_pcm_open(chip, &chip->capture, subs); | |
594 | } | |
595 | ||
596 | static int snd_pmac_playback_close(struct snd_pcm_substream *subs) | |
597 | { | |
598 | struct snd_pmac *chip = snd_pcm_substream_chip(subs); | |
599 | ||
600 | return snd_pmac_pcm_close(chip, &chip->playback, subs); | |
601 | } | |
602 | ||
603 | static int snd_pmac_capture_close(struct snd_pcm_substream *subs) | |
604 | { | |
605 | struct snd_pmac *chip = snd_pcm_substream_chip(subs); | |
606 | ||
607 | return snd_pmac_pcm_close(chip, &chip->capture, subs); | |
608 | } | |
609 | ||
610 | /* | |
611 | */ | |
612 | ||
613 | static struct snd_pcm_ops snd_pmac_playback_ops = { | |
614 | .open = snd_pmac_playback_open, | |
615 | .close = snd_pmac_playback_close, | |
616 | .ioctl = snd_pcm_lib_ioctl, | |
617 | .hw_params = snd_pmac_pcm_hw_params, | |
618 | .hw_free = snd_pmac_pcm_hw_free, | |
619 | .prepare = snd_pmac_playback_prepare, | |
620 | .trigger = snd_pmac_playback_trigger, | |
621 | .pointer = snd_pmac_playback_pointer, | |
622 | }; | |
623 | ||
624 | static struct snd_pcm_ops snd_pmac_capture_ops = { | |
625 | .open = snd_pmac_capture_open, | |
626 | .close = snd_pmac_capture_close, | |
627 | .ioctl = snd_pcm_lib_ioctl, | |
628 | .hw_params = snd_pmac_pcm_hw_params, | |
629 | .hw_free = snd_pmac_pcm_hw_free, | |
630 | .prepare = snd_pmac_capture_prepare, | |
631 | .trigger = snd_pmac_capture_trigger, | |
632 | .pointer = snd_pmac_capture_pointer, | |
633 | }; | |
634 | ||
635 | int __init snd_pmac_pcm_new(struct snd_pmac *chip) | |
636 | { | |
637 | struct snd_pcm *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->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX; | |
653 | strcpy(pcm->name, chip->card->shortname); | |
654 | chip->pcm = pcm; | |
655 | ||
656 | chip->formats_ok = SNDRV_PCM_FMTBIT_S16_BE; | |
657 | if (chip->can_byte_swap) | |
658 | chip->formats_ok |= SNDRV_PCM_FMTBIT_S16_LE; | |
659 | ||
660 | chip->playback.cur_formats = chip->formats_ok; | |
661 | chip->capture.cur_formats = chip->formats_ok; | |
662 | chip->playback.cur_freqs = chip->freqs_ok; | |
663 | chip->capture.cur_freqs = chip->freqs_ok; | |
664 | ||
665 | /* preallocate 64k buffer */ | |
666 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, | |
667 | &chip->pdev->dev, | |
668 | 64 * 1024, 64 * 1024); | |
669 | ||
670 | return 0; | |
671 | } | |
672 | ||
673 | ||
674 | static void snd_pmac_dbdma_reset(struct snd_pmac *chip) | |
675 | { | |
676 | out_le32(&chip->playback.dma->control, (RUN|PAUSE|FLUSH|WAKE|DEAD) << 16); | |
677 | snd_pmac_wait_ack(&chip->playback); | |
678 | out_le32(&chip->capture.dma->control, (RUN|PAUSE|FLUSH|WAKE|DEAD) << 16); | |
679 | snd_pmac_wait_ack(&chip->capture); | |
680 | } | |
681 | ||
682 | ||
683 | /* | |
684 | * handling beep | |
685 | */ | |
686 | void snd_pmac_beep_dma_start(struct snd_pmac *chip, int bytes, unsigned long addr, int speed) | |
687 | { | |
688 | struct pmac_stream *rec = &chip->playback; | |
689 | ||
690 | snd_pmac_dma_stop(rec); | |
691 | st_le16(&chip->extra_dma.cmds->req_count, bytes); | |
692 | st_le16(&chip->extra_dma.cmds->xfer_status, 0); | |
693 | st_le32(&chip->extra_dma.cmds->cmd_dep, chip->extra_dma.addr); | |
694 | st_le32(&chip->extra_dma.cmds->phy_addr, addr); | |
695 | st_le16(&chip->extra_dma.cmds->command, OUTPUT_MORE + BR_ALWAYS); | |
696 | out_le32(&chip->awacs->control, | |
697 | (in_le32(&chip->awacs->control) & ~0x1f00) | |
698 | | (speed << 8)); | |
699 | out_le32(&chip->awacs->byteswap, 0); | |
700 | snd_pmac_dma_set_command(rec, &chip->extra_dma); | |
701 | snd_pmac_dma_run(rec, RUN); | |
702 | } | |
703 | ||
704 | void snd_pmac_beep_dma_stop(struct snd_pmac *chip) | |
705 | { | |
706 | snd_pmac_dma_stop(&chip->playback); | |
707 | st_le16(&chip->extra_dma.cmds->command, DBDMA_STOP); | |
708 | snd_pmac_pcm_set_format(chip); /* reset format */ | |
709 | } | |
710 | ||
711 | ||
712 | /* | |
713 | * interrupt handlers | |
714 | */ | |
715 | static irqreturn_t | |
716 | snd_pmac_tx_intr(int irq, void *devid) | |
717 | { | |
718 | struct snd_pmac *chip = devid; | |
719 | snd_pmac_pcm_update(chip, &chip->playback); | |
720 | return IRQ_HANDLED; | |
721 | } | |
722 | ||
723 | ||
724 | static irqreturn_t | |
725 | snd_pmac_rx_intr(int irq, void *devid) | |
726 | { | |
727 | struct snd_pmac *chip = devid; | |
728 | snd_pmac_pcm_update(chip, &chip->capture); | |
729 | return IRQ_HANDLED; | |
730 | } | |
731 | ||
732 | ||
733 | static irqreturn_t | |
734 | snd_pmac_ctrl_intr(int irq, void *devid) | |
735 | { | |
736 | struct snd_pmac *chip = devid; | |
737 | int ctrl = in_le32(&chip->awacs->control); | |
738 | ||
739 | /*printk("pmac: control interrupt.. 0x%x\n", ctrl);*/ | |
740 | if (ctrl & MASK_PORTCHG) { | |
741 | /* do something when headphone is plugged/unplugged? */ | |
742 | if (chip->update_automute) | |
743 | chip->update_automute(chip, 1); | |
744 | } | |
745 | if (ctrl & MASK_CNTLERR) { | |
746 | int err = (in_le32(&chip->awacs->codec_stat) & MASK_ERRCODE) >> 16; | |
747 | if (err && chip->model <= PMAC_SCREAMER) | |
748 | snd_printk(KERN_DEBUG "error %x\n", err); | |
749 | } | |
750 | /* Writing 1s to the CNTLERR and PORTCHG bits clears them... */ | |
751 | out_le32(&chip->awacs->control, ctrl); | |
752 | return IRQ_HANDLED; | |
753 | } | |
754 | ||
755 | ||
756 | /* | |
757 | * a wrapper to feature call for compatibility | |
758 | */ | |
759 | static void snd_pmac_sound_feature(struct snd_pmac *chip, int enable) | |
760 | { | |
761 | if (ppc_md.feature_call) | |
762 | ppc_md.feature_call(PMAC_FTR_SOUND_CHIP_ENABLE, chip->node, 0, enable); | |
763 | } | |
764 | ||
765 | /* | |
766 | * release resources | |
767 | */ | |
768 | ||
769 | static int snd_pmac_free(struct snd_pmac *chip) | |
770 | { | |
771 | /* stop sounds */ | |
772 | if (chip->initialized) { | |
773 | snd_pmac_dbdma_reset(chip); | |
774 | /* disable interrupts from awacs interface */ | |
775 | out_le32(&chip->awacs->control, in_le32(&chip->awacs->control) & 0xfff); | |
776 | } | |
777 | ||
778 | if (chip->node) | |
779 | snd_pmac_sound_feature(chip, 0); | |
780 | ||
781 | /* clean up mixer if any */ | |
782 | if (chip->mixer_free) | |
783 | chip->mixer_free(chip); | |
784 | ||
785 | snd_pmac_detach_beep(chip); | |
786 | ||
787 | /* release resources */ | |
788 | if (chip->irq >= 0) | |
789 | free_irq(chip->irq, (void*)chip); | |
790 | if (chip->tx_irq >= 0) | |
791 | free_irq(chip->tx_irq, (void*)chip); | |
792 | if (chip->rx_irq >= 0) | |
793 | free_irq(chip->rx_irq, (void*)chip); | |
794 | snd_pmac_dbdma_free(chip, &chip->playback.cmd); | |
795 | snd_pmac_dbdma_free(chip, &chip->capture.cmd); | |
796 | snd_pmac_dbdma_free(chip, &chip->extra_dma); | |
797 | if (chip->macio_base) | |
798 | iounmap(chip->macio_base); | |
799 | if (chip->latch_base) | |
800 | iounmap(chip->latch_base); | |
801 | if (chip->awacs) | |
802 | iounmap(chip->awacs); | |
803 | if (chip->playback.dma) | |
804 | iounmap(chip->playback.dma); | |
805 | if (chip->capture.dma) | |
806 | iounmap(chip->capture.dma); | |
807 | ||
808 | if (chip->node) { | |
809 | int i; | |
810 | for (i = 0; i < 3; i++) { | |
811 | if (chip->requested & (1 << i)) | |
812 | release_mem_region(chip->rsrc[i].start, | |
813 | chip->rsrc[i].end - | |
814 | chip->rsrc[i].start + 1); | |
815 | } | |
816 | } | |
817 | ||
818 | if (chip->pdev) | |
819 | pci_dev_put(chip->pdev); | |
820 | of_node_put(chip->node); | |
821 | kfree(chip); | |
822 | return 0; | |
823 | } | |
824 | ||
825 | ||
826 | /* | |
827 | * free the device | |
828 | */ | |
829 | static int snd_pmac_dev_free(struct snd_device *device) | |
830 | { | |
831 | struct snd_pmac *chip = device->device_data; | |
832 | return snd_pmac_free(chip); | |
833 | } | |
834 | ||
835 | ||
836 | /* | |
837 | * check the machine support byteswap (little-endian) | |
838 | */ | |
839 | ||
840 | static void __init detect_byte_swap(struct snd_pmac *chip) | |
841 | { | |
842 | struct device_node *mio; | |
843 | ||
844 | /* if seems that Keylargo can't byte-swap */ | |
845 | for (mio = chip->node->parent; mio; mio = mio->parent) { | |
846 | if (strcmp(mio->name, "mac-io") == 0) { | |
847 | if (of_device_is_compatible(mio, "Keylargo")) | |
848 | chip->can_byte_swap = 0; | |
849 | break; | |
850 | } | |
851 | } | |
852 | ||
853 | /* it seems the Pismo & iBook can't byte-swap in hardware. */ | |
854 | if (machine_is_compatible("PowerBook3,1") || | |
855 | machine_is_compatible("PowerBook2,1")) | |
856 | chip->can_byte_swap = 0 ; | |
857 | ||
858 | if (machine_is_compatible("PowerBook2,1")) | |
859 | chip->can_duplex = 0; | |
860 | } | |
861 | ||
862 | ||
863 | /* | |
864 | * detect a sound chip | |
865 | */ | |
866 | static int __init snd_pmac_detect(struct snd_pmac *chip) | |
867 | { | |
868 | struct device_node *sound; | |
869 | struct device_node *dn; | |
870 | const unsigned int *prop; | |
871 | unsigned int l; | |
872 | struct macio_chip* macio; | |
873 | ||
874 | if (!machine_is(powermac)) | |
875 | return -ENODEV; | |
876 | ||
877 | chip->subframe = 0; | |
878 | chip->revision = 0; | |
879 | chip->freqs_ok = 0xff; /* all ok */ | |
880 | chip->model = PMAC_AWACS; | |
881 | chip->can_byte_swap = 1; | |
882 | chip->can_duplex = 1; | |
883 | chip->can_capture = 1; | |
884 | chip->num_freqs = ARRAY_SIZE(awacs_freqs); | |
885 | chip->freq_table = awacs_freqs; | |
886 | chip->pdev = NULL; | |
887 | ||
888 | chip->control_mask = MASK_IEPC | MASK_IEE | 0x11; /* default */ | |
889 | ||
890 | /* check machine type */ | |
891 | if (machine_is_compatible("AAPL,3400/2400") | |
892 | || machine_is_compatible("AAPL,3500")) | |
893 | chip->is_pbook_3400 = 1; | |
894 | else if (machine_is_compatible("PowerBook1,1") | |
895 | || machine_is_compatible("AAPL,PowerBook1998")) | |
896 | chip->is_pbook_G3 = 1; | |
897 | chip->node = of_find_node_by_name(NULL, "awacs"); | |
898 | sound = of_node_get(chip->node); | |
899 | ||
900 | /* | |
901 | * powermac G3 models have a node called "davbus" | |
902 | * with a child called "sound". | |
903 | */ | |
904 | if (!chip->node) | |
905 | chip->node = of_find_node_by_name(NULL, "davbus"); | |
906 | /* | |
907 | * if we didn't find a davbus device, try 'i2s-a' since | |
908 | * this seems to be what iBooks have | |
909 | */ | |
910 | if (! chip->node) { | |
911 | chip->node = of_find_node_by_name(NULL, "i2s-a"); | |
912 | if (chip->node && chip->node->parent && | |
913 | chip->node->parent->parent) { | |
914 | if (of_device_is_compatible(chip->node->parent->parent, | |
915 | "K2-Keylargo")) | |
916 | chip->is_k2 = 1; | |
917 | } | |
918 | } | |
919 | if (! chip->node) | |
920 | return -ENODEV; | |
921 | ||
922 | if (!sound) { | |
923 | sound = of_find_node_by_name(NULL, "sound"); | |
924 | while (sound && sound->parent != chip->node) | |
925 | sound = of_find_node_by_name(sound, "sound"); | |
926 | } | |
927 | if (! sound) { | |
928 | of_node_put(chip->node); | |
929 | chip->node = NULL; | |
930 | return -ENODEV; | |
931 | } | |
932 | prop = of_get_property(sound, "sub-frame", NULL); | |
933 | if (prop && *prop < 16) | |
934 | chip->subframe = *prop; | |
935 | prop = of_get_property(sound, "layout-id", NULL); | |
936 | if (prop) { | |
937 | /* partly deprecate snd-powermac, for those machines | |
938 | * that have a layout-id property for now */ | |
939 | printk(KERN_INFO "snd-powermac no longer handles any " | |
940 | "machines with a layout-id property " | |
941 | "in the device-tree, use snd-aoa.\n"); | |
942 | of_node_put(sound); | |
943 | of_node_put(chip->node); | |
944 | chip->node = NULL; | |
945 | return -ENODEV; | |
946 | } | |
947 | /* This should be verified on older screamers */ | |
948 | if (of_device_is_compatible(sound, "screamer")) { | |
949 | chip->model = PMAC_SCREAMER; | |
950 | // chip->can_byte_swap = 0; /* FIXME: check this */ | |
951 | } | |
952 | if (of_device_is_compatible(sound, "burgundy")) { | |
953 | chip->model = PMAC_BURGUNDY; | |
954 | chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ | |
955 | } | |
956 | if (of_device_is_compatible(sound, "daca")) { | |
957 | chip->model = PMAC_DACA; | |
958 | chip->can_capture = 0; /* no capture */ | |
959 | chip->can_duplex = 0; | |
960 | // chip->can_byte_swap = 0; /* FIXME: check this */ | |
961 | chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ | |
962 | } | |
963 | if (of_device_is_compatible(sound, "tumbler")) { | |
964 | chip->model = PMAC_TUMBLER; | |
965 | chip->can_capture = 0; /* no capture */ | |
966 | chip->can_duplex = 0; | |
967 | // chip->can_byte_swap = 0; /* FIXME: check this */ | |
968 | chip->num_freqs = ARRAY_SIZE(tumbler_freqs); | |
969 | chip->freq_table = tumbler_freqs; | |
970 | chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ | |
971 | } | |
972 | if (of_device_is_compatible(sound, "snapper")) { | |
973 | chip->model = PMAC_SNAPPER; | |
974 | // chip->can_byte_swap = 0; /* FIXME: check this */ | |
975 | chip->num_freqs = ARRAY_SIZE(tumbler_freqs); | |
976 | chip->freq_table = tumbler_freqs; | |
977 | chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ | |
978 | } | |
979 | prop = of_get_property(sound, "device-id", NULL); | |
980 | if (prop) | |
981 | chip->device_id = *prop; | |
982 | dn = of_find_node_by_name(NULL, "perch"); | |
983 | chip->has_iic = (dn != NULL); | |
984 | of_node_put(dn); | |
985 | ||
986 | /* We need the PCI device for DMA allocations, let's use a crude method | |
987 | * for now ... | |
988 | */ | |
989 | macio = macio_find(chip->node, macio_unknown); | |
990 | if (macio == NULL) | |
991 | printk(KERN_WARNING "snd-powermac: can't locate macio !\n"); | |
992 | else { | |
993 | struct pci_dev *pdev = NULL; | |
994 | ||
995 | for_each_pci_dev(pdev) { | |
996 | struct device_node *np = pci_device_to_OF_node(pdev); | |
997 | if (np && np == macio->of_node) { | |
998 | chip->pdev = pdev; | |
999 | break; | |
1000 | } | |
1001 | } | |
1002 | } | |
1003 | if (chip->pdev == NULL) | |
1004 | printk(KERN_WARNING "snd-powermac: can't locate macio PCI" | |
1005 | " device !\n"); | |
1006 | ||
1007 | detect_byte_swap(chip); | |
1008 | ||
1009 | /* look for a property saying what sample rates | |
1010 | are available */ | |
1011 | prop = of_get_property(sound, "sample-rates", &l); | |
1012 | if (! prop) | |
1013 | prop = of_get_property(sound, "output-frame-rates", &l); | |
1014 | if (prop) { | |
1015 | int i; | |
1016 | chip->freqs_ok = 0; | |
1017 | for (l /= sizeof(int); l > 0; --l) { | |
1018 | unsigned int r = *prop++; | |
1019 | /* Apple 'Fixed' format */ | |
1020 | if (r >= 0x10000) | |
1021 | r >>= 16; | |
1022 | for (i = 0; i < chip->num_freqs; ++i) { | |
1023 | if (r == chip->freq_table[i]) { | |
1024 | chip->freqs_ok |= (1 << i); | |
1025 | break; | |
1026 | } | |
1027 | } | |
1028 | } | |
1029 | } else { | |
1030 | /* assume only 44.1khz */ | |
1031 | chip->freqs_ok = 1; | |
1032 | } | |
1033 | ||
1034 | of_node_put(sound); | |
1035 | return 0; | |
1036 | } | |
1037 | ||
1038 | /* | |
1039 | * exported - boolean info callbacks for ease of programming | |
1040 | */ | |
1041 | int snd_pmac_boolean_stereo_info(struct snd_kcontrol *kcontrol, | |
1042 | struct snd_ctl_elem_info *uinfo) | |
1043 | { | |
1044 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | |
1045 | uinfo->count = 2; | |
1046 | uinfo->value.integer.min = 0; | |
1047 | uinfo->value.integer.max = 1; | |
1048 | return 0; | |
1049 | } | |
1050 | ||
1051 | int snd_pmac_boolean_mono_info(struct snd_kcontrol *kcontrol, | |
1052 | struct snd_ctl_elem_info *uinfo) | |
1053 | { | |
1054 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | |
1055 | uinfo->count = 1; | |
1056 | uinfo->value.integer.min = 0; | |
1057 | uinfo->value.integer.max = 1; | |
1058 | return 0; | |
1059 | } | |
1060 | ||
1061 | #ifdef PMAC_SUPPORT_AUTOMUTE | |
1062 | /* | |
1063 | * auto-mute | |
1064 | */ | |
1065 | static int pmac_auto_mute_get(struct snd_kcontrol *kcontrol, | |
1066 | struct snd_ctl_elem_value *ucontrol) | |
1067 | { | |
1068 | struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); | |
1069 | ucontrol->value.integer.value[0] = chip->auto_mute; | |
1070 | return 0; | |
1071 | } | |
1072 | ||
1073 | static int pmac_auto_mute_put(struct snd_kcontrol *kcontrol, | |
1074 | struct snd_ctl_elem_value *ucontrol) | |
1075 | { | |
1076 | struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); | |
1077 | if (ucontrol->value.integer.value[0] != chip->auto_mute) { | |
1078 | chip->auto_mute = ucontrol->value.integer.value[0]; | |
1079 | if (chip->update_automute) | |
1080 | chip->update_automute(chip, 1); | |
1081 | return 1; | |
1082 | } | |
1083 | return 0; | |
1084 | } | |
1085 | ||
1086 | static int pmac_hp_detect_get(struct snd_kcontrol *kcontrol, | |
1087 | struct snd_ctl_elem_value *ucontrol) | |
1088 | { | |
1089 | struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); | |
1090 | if (chip->detect_headphone) | |
1091 | ucontrol->value.integer.value[0] = chip->detect_headphone(chip); | |
1092 | else | |
1093 | ucontrol->value.integer.value[0] = 0; | |
1094 | return 0; | |
1095 | } | |
1096 | ||
1097 | static struct snd_kcontrol_new auto_mute_controls[] __initdata = { | |
1098 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1099 | .name = "Auto Mute Switch", | |
1100 | .info = snd_pmac_boolean_mono_info, | |
1101 | .get = pmac_auto_mute_get, | |
1102 | .put = pmac_auto_mute_put, | |
1103 | }, | |
1104 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1105 | .name = "Headphone Detection", | |
1106 | .access = SNDRV_CTL_ELEM_ACCESS_READ, | |
1107 | .info = snd_pmac_boolean_mono_info, | |
1108 | .get = pmac_hp_detect_get, | |
1109 | }, | |
1110 | }; | |
1111 | ||
1112 | int __init snd_pmac_add_automute(struct snd_pmac *chip) | |
1113 | { | |
1114 | int err; | |
1115 | chip->auto_mute = 1; | |
1116 | err = snd_ctl_add(chip->card, snd_ctl_new1(&auto_mute_controls[0], chip)); | |
1117 | if (err < 0) { | |
1118 | printk(KERN_ERR "snd-powermac: Failed to add automute control\n"); | |
1119 | return err; | |
1120 | } | |
1121 | chip->hp_detect_ctl = snd_ctl_new1(&auto_mute_controls[1], chip); | |
1122 | return snd_ctl_add(chip->card, chip->hp_detect_ctl); | |
1123 | } | |
1124 | #endif /* PMAC_SUPPORT_AUTOMUTE */ | |
1125 | ||
1126 | /* | |
1127 | * create and detect a pmac chip record | |
1128 | */ | |
1129 | int __init snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return) | |
1130 | { | |
1131 | struct snd_pmac *chip; | |
1132 | struct device_node *np; | |
1133 | int i, err; | |
1134 | unsigned int irq; | |
1135 | unsigned long ctrl_addr, txdma_addr, rxdma_addr; | |
1136 | static struct snd_device_ops ops = { | |
1137 | .dev_free = snd_pmac_dev_free, | |
1138 | }; | |
1139 | ||
1140 | *chip_return = NULL; | |
1141 | ||
1142 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); | |
1143 | if (chip == NULL) | |
1144 | return -ENOMEM; | |
1145 | chip->card = card; | |
1146 | ||
1147 | spin_lock_init(&chip->reg_lock); | |
1148 | chip->irq = chip->tx_irq = chip->rx_irq = -1; | |
1149 | ||
1150 | chip->playback.stream = SNDRV_PCM_STREAM_PLAYBACK; | |
1151 | chip->capture.stream = SNDRV_PCM_STREAM_CAPTURE; | |
1152 | ||
1153 | if ((err = snd_pmac_detect(chip)) < 0) | |
1154 | goto __error; | |
1155 | ||
1156 | if (snd_pmac_dbdma_alloc(chip, &chip->playback.cmd, PMAC_MAX_FRAGS + 1) < 0 || | |
1157 | snd_pmac_dbdma_alloc(chip, &chip->capture.cmd, PMAC_MAX_FRAGS + 1) < 0 || | |
1158 | snd_pmac_dbdma_alloc(chip, &chip->extra_dma, 2) < 0) { | |
1159 | err = -ENOMEM; | |
1160 | goto __error; | |
1161 | } | |
1162 | ||
1163 | np = chip->node; | |
1164 | chip->requested = 0; | |
1165 | if (chip->is_k2) { | |
1166 | static char *rnames[] = { | |
1167 | "Sound Control", "Sound DMA" }; | |
1168 | for (i = 0; i < 2; i ++) { | |
1169 | if (of_address_to_resource(np->parent, i, | |
1170 | &chip->rsrc[i])) { | |
1171 | printk(KERN_ERR "snd: can't translate rsrc " | |
1172 | " %d (%s)\n", i, rnames[i]); | |
1173 | err = -ENODEV; | |
1174 | goto __error; | |
1175 | } | |
1176 | if (request_mem_region(chip->rsrc[i].start, | |
1177 | chip->rsrc[i].end - | |
1178 | chip->rsrc[i].start + 1, | |
1179 | rnames[i]) == NULL) { | |
1180 | printk(KERN_ERR "snd: can't request rsrc " | |
1181 | " %d (%s: 0x%016llx:%016llx)\n", | |
1182 | i, rnames[i], | |
1183 | (unsigned long long)chip->rsrc[i].start, | |
1184 | (unsigned long long)chip->rsrc[i].end); | |
1185 | err = -ENODEV; | |
1186 | goto __error; | |
1187 | } | |
1188 | chip->requested |= (1 << i); | |
1189 | } | |
1190 | ctrl_addr = chip->rsrc[0].start; | |
1191 | txdma_addr = chip->rsrc[1].start; | |
1192 | rxdma_addr = txdma_addr + 0x100; | |
1193 | } else { | |
1194 | static char *rnames[] = { | |
1195 | "Sound Control", "Sound Tx DMA", "Sound Rx DMA" }; | |
1196 | for (i = 0; i < 3; i ++) { | |
1197 | if (of_address_to_resource(np, i, | |
1198 | &chip->rsrc[i])) { | |
1199 | printk(KERN_ERR "snd: can't translate rsrc " | |
1200 | " %d (%s)\n", i, rnames[i]); | |
1201 | err = -ENODEV; | |
1202 | goto __error; | |
1203 | } | |
1204 | if (request_mem_region(chip->rsrc[i].start, | |
1205 | chip->rsrc[i].end - | |
1206 | chip->rsrc[i].start + 1, | |
1207 | rnames[i]) == NULL) { | |
1208 | printk(KERN_ERR "snd: can't request rsrc " | |
1209 | " %d (%s: 0x%016llx:%016llx)\n", | |
1210 | i, rnames[i], | |
1211 | (unsigned long long)chip->rsrc[i].start, | |
1212 | (unsigned long long)chip->rsrc[i].end); | |
1213 | err = -ENODEV; | |
1214 | goto __error; | |
1215 | } | |
1216 | chip->requested |= (1 << i); | |
1217 | } | |
1218 | ctrl_addr = chip->rsrc[0].start; | |
1219 | txdma_addr = chip->rsrc[1].start; | |
1220 | rxdma_addr = chip->rsrc[2].start; | |
1221 | } | |
1222 | ||
1223 | chip->awacs = ioremap(ctrl_addr, 0x1000); | |
1224 | chip->playback.dma = ioremap(txdma_addr, 0x100); | |
1225 | chip->capture.dma = ioremap(rxdma_addr, 0x100); | |
1226 | if (chip->model <= PMAC_BURGUNDY) { | |
1227 | irq = irq_of_parse_and_map(np, 0); | |
1228 | if (request_irq(irq, snd_pmac_ctrl_intr, 0, | |
1229 | "PMac", (void*)chip)) { | |
1230 | snd_printk(KERN_ERR "pmac: unable to grab IRQ %d\n", | |
1231 | irq); | |
1232 | err = -EBUSY; | |
1233 | goto __error; | |
1234 | } | |
1235 | chip->irq = irq; | |
1236 | } | |
1237 | irq = irq_of_parse_and_map(np, 1); | |
1238 | if (request_irq(irq, snd_pmac_tx_intr, 0, "PMac Output", (void*)chip)){ | |
1239 | snd_printk(KERN_ERR "pmac: unable to grab IRQ %d\n", irq); | |
1240 | err = -EBUSY; | |
1241 | goto __error; | |
1242 | } | |
1243 | chip->tx_irq = irq; | |
1244 | irq = irq_of_parse_and_map(np, 2); | |
1245 | if (request_irq(irq, snd_pmac_rx_intr, 0, "PMac Input", (void*)chip)) { | |
1246 | snd_printk(KERN_ERR "pmac: unable to grab IRQ %d\n", irq); | |
1247 | err = -EBUSY; | |
1248 | goto __error; | |
1249 | } | |
1250 | chip->rx_irq = irq; | |
1251 | ||
1252 | snd_pmac_sound_feature(chip, 1); | |
1253 | ||
1254 | /* reset */ | |
1255 | if (chip->model == PMAC_AWACS) | |
1256 | out_le32(&chip->awacs->control, 0x11); | |
1257 | ||
1258 | /* Powerbooks have odd ways of enabling inputs such as | |
1259 | an expansion-bay CD or sound from an internal modem | |
1260 | or a PC-card modem. */ | |
1261 | if (chip->is_pbook_3400) { | |
1262 | /* Enable CD and PC-card sound inputs. */ | |
1263 | /* This is done by reading from address | |
1264 | * f301a000, + 0x10 to enable the expansion-bay | |
1265 | * CD sound input, + 0x80 to enable the PC-card | |
1266 | * sound input. The 0x100 enables the SCSI bus | |
1267 | * terminator power. | |
1268 | */ | |
1269 | chip->latch_base = ioremap (0xf301a000, 0x1000); | |
1270 | in_8(chip->latch_base + 0x190); | |
1271 | } else if (chip->is_pbook_G3) { | |
1272 | struct device_node* mio; | |
1273 | for (mio = chip->node->parent; mio; mio = mio->parent) { | |
1274 | if (strcmp(mio->name, "mac-io") == 0) { | |
1275 | struct resource r; | |
1276 | if (of_address_to_resource(mio, 0, &r) == 0) | |
1277 | chip->macio_base = | |
1278 | ioremap(r.start, 0x40); | |
1279 | break; | |
1280 | } | |
1281 | } | |
1282 | /* Enable CD sound input. */ | |
1283 | /* The relevant bits for writing to this byte are 0x8f. | |
1284 | * I haven't found out what the 0x80 bit does. | |
1285 | * For the 0xf bits, writing 3 or 7 enables the CD | |
1286 | * input, any other value disables it. Values | |
1287 | * 1, 3, 5, 7 enable the microphone. Values 0, 2, | |
1288 | * 4, 6, 8 - f enable the input from the modem. | |
1289 | */ | |
1290 | if (chip->macio_base) | |
1291 | out_8(chip->macio_base + 0x37, 3); | |
1292 | } | |
1293 | ||
1294 | /* Reset dbdma channels */ | |
1295 | snd_pmac_dbdma_reset(chip); | |
1296 | ||
1297 | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) | |
1298 | goto __error; | |
1299 | ||
1300 | *chip_return = chip; | |
1301 | return 0; | |
1302 | ||
1303 | __error: | |
1304 | snd_pmac_free(chip); | |
1305 | return err; | |
1306 | } | |
1307 | ||
1308 | ||
1309 | /* | |
1310 | * sleep notify for powerbook | |
1311 | */ | |
1312 | ||
1313 | #ifdef CONFIG_PM | |
1314 | ||
1315 | /* | |
1316 | * Save state when going to sleep, restore it afterwards. | |
1317 | */ | |
1318 | ||
1319 | void snd_pmac_suspend(struct snd_pmac *chip) | |
1320 | { | |
1321 | unsigned long flags; | |
1322 | ||
1323 | snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot); | |
1324 | if (chip->suspend) | |
1325 | chip->suspend(chip); | |
1326 | snd_pcm_suspend_all(chip->pcm); | |
1327 | spin_lock_irqsave(&chip->reg_lock, flags); | |
1328 | snd_pmac_beep_stop(chip); | |
1329 | spin_unlock_irqrestore(&chip->reg_lock, flags); | |
1330 | if (chip->irq >= 0) | |
1331 | disable_irq(chip->irq); | |
1332 | if (chip->tx_irq >= 0) | |
1333 | disable_irq(chip->tx_irq); | |
1334 | if (chip->rx_irq >= 0) | |
1335 | disable_irq(chip->rx_irq); | |
1336 | snd_pmac_sound_feature(chip, 0); | |
1337 | } | |
1338 | ||
1339 | void snd_pmac_resume(struct snd_pmac *chip) | |
1340 | { | |
1341 | snd_pmac_sound_feature(chip, 1); | |
1342 | if (chip->resume) | |
1343 | chip->resume(chip); | |
1344 | /* enable CD sound input */ | |
1345 | if (chip->macio_base && chip->is_pbook_G3) | |
1346 | out_8(chip->macio_base + 0x37, 3); | |
1347 | else if (chip->is_pbook_3400) | |
1348 | in_8(chip->latch_base + 0x190); | |
1349 | ||
1350 | snd_pmac_pcm_set_format(chip); | |
1351 | ||
1352 | if (chip->irq >= 0) | |
1353 | enable_irq(chip->irq); | |
1354 | if (chip->tx_irq >= 0) | |
1355 | enable_irq(chip->tx_irq); | |
1356 | if (chip->rx_irq >= 0) | |
1357 | enable_irq(chip->rx_irq); | |
1358 | ||
1359 | snd_power_change_state(chip->card, SNDRV_CTL_POWER_D0); | |
1360 | } | |
1361 | ||
1362 | #endif /* CONFIG_PM */ | |
1363 |