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1da177e4 LT |
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> | |
7bbd8277 BH |
30 | #include <linux/pci.h> |
31 | #include <linux/dma-mapping.h> | |
1da177e4 LT |
32 | #include <sound/core.h> |
33 | #include "pmac.h" | |
34 | #include <sound/pcm_params.h> | |
1da177e4 | 35 | #include <asm/pmac_feature.h> |
7bbd8277 | 36 | #include <asm/pci-bridge.h> |
1da177e4 LT |
37 | |
38 | ||
8c870933 | 39 | #ifdef CONFIG_PM |
1da177e4 LT |
40 | static int snd_pmac_register_sleep_notifier(pmac_t *chip); |
41 | static int snd_pmac_unregister_sleep_notifier(pmac_t *chip); | |
42 | static int snd_pmac_suspend(snd_card_t *card, pm_message_t state); | |
43 | static int snd_pmac_resume(snd_card_t *card); | |
44 | #endif | |
45 | ||
46 | ||
47 | /* fixed frequency table for awacs, screamer, burgundy, DACA (44100 max) */ | |
48 | static int awacs_freqs[8] = { | |
49 | 44100, 29400, 22050, 17640, 14700, 11025, 8820, 7350 | |
50 | }; | |
51 | /* fixed frequency table for tumbler */ | |
52 | static int tumbler_freqs[1] = { | |
53 | 44100 | |
54 | }; | |
55 | ||
56 | /* | |
57 | * allocate DBDMA command arrays | |
58 | */ | |
7bbd8277 | 59 | static int snd_pmac_dbdma_alloc(pmac_t *chip, pmac_dbdma_t *rec, int size) |
1da177e4 | 60 | { |
7bbd8277 BH |
61 | unsigned int rsize = sizeof(struct dbdma_cmd) * (size + 1); |
62 | ||
63 | rec->space = dma_alloc_coherent(&chip->pdev->dev, rsize, | |
64 | &rec->dma_base, GFP_KERNEL); | |
1da177e4 LT |
65 | if (rec->space == NULL) |
66 | return -ENOMEM; | |
67 | rec->size = size; | |
7bbd8277 | 68 | memset(rec->space, 0, rsize); |
1da177e4 | 69 | rec->cmds = (void __iomem *)DBDMA_ALIGN(rec->space); |
7bbd8277 BH |
70 | rec->addr = rec->dma_base + (unsigned long)((char *)rec->cmds - (char *)rec->space); |
71 | ||
1da177e4 LT |
72 | return 0; |
73 | } | |
74 | ||
7bbd8277 | 75 | static void snd_pmac_dbdma_free(pmac_t *chip, pmac_dbdma_t *rec) |
1da177e4 | 76 | { |
7bbd8277 BH |
77 | if (rec) { |
78 | unsigned int rsize = sizeof(struct dbdma_cmd) * (rec->size + 1); | |
79 | ||
80 | dma_free_coherent(&chip->pdev->dev, rsize, rec->space, rec->dma_base); | |
81 | } | |
1da177e4 LT |
82 | } |
83 | ||
84 | ||
85 | /* | |
86 | * pcm stuff | |
87 | */ | |
88 | ||
89 | /* | |
90 | * look up frequency table | |
91 | */ | |
92 | ||
93 | unsigned int snd_pmac_rate_index(pmac_t *chip, pmac_stream_t *rec, unsigned int rate) | |
94 | { | |
95 | int i, ok, found; | |
96 | ||
97 | ok = rec->cur_freqs; | |
98 | if (rate > chip->freq_table[0]) | |
99 | return 0; | |
100 | found = 0; | |
101 | for (i = 0; i < chip->num_freqs; i++, ok >>= 1) { | |
102 | if (! (ok & 1)) continue; | |
103 | found = i; | |
104 | if (rate >= chip->freq_table[i]) | |
105 | break; | |
106 | } | |
107 | return found; | |
108 | } | |
109 | ||
110 | /* | |
111 | * check whether another stream is active | |
112 | */ | |
113 | static inline int another_stream(int stream) | |
114 | { | |
115 | return (stream == SNDRV_PCM_STREAM_PLAYBACK) ? | |
116 | SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; | |
117 | } | |
118 | ||
119 | /* | |
120 | * allocate buffers | |
121 | */ | |
122 | static int snd_pmac_pcm_hw_params(snd_pcm_substream_t *subs, | |
123 | snd_pcm_hw_params_t *hw_params) | |
124 | { | |
125 | return snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw_params)); | |
126 | } | |
127 | ||
128 | /* | |
129 | * release buffers | |
130 | */ | |
131 | static int snd_pmac_pcm_hw_free(snd_pcm_substream_t *subs) | |
132 | { | |
133 | snd_pcm_lib_free_pages(subs); | |
134 | return 0; | |
135 | } | |
136 | ||
137 | /* | |
138 | * get a stream of the opposite direction | |
139 | */ | |
140 | static pmac_stream_t *snd_pmac_get_stream(pmac_t *chip, int stream) | |
141 | { | |
142 | switch (stream) { | |
143 | case SNDRV_PCM_STREAM_PLAYBACK: | |
144 | return &chip->playback; | |
145 | case SNDRV_PCM_STREAM_CAPTURE: | |
146 | return &chip->capture; | |
147 | default: | |
148 | snd_BUG(); | |
149 | return NULL; | |
150 | } | |
151 | } | |
152 | ||
153 | /* | |
154 | * wait while run status is on | |
155 | */ | |
77933d72 | 156 | static inline void |
1da177e4 LT |
157 | snd_pmac_wait_ack(pmac_stream_t *rec) |
158 | { | |
159 | int timeout = 50000; | |
160 | while ((in_le32(&rec->dma->status) & RUN) && timeout-- > 0) | |
161 | udelay(1); | |
162 | } | |
163 | ||
164 | /* | |
165 | * set the format and rate to the chip. | |
166 | * call the lowlevel function if defined (e.g. for AWACS). | |
167 | */ | |
168 | static void snd_pmac_pcm_set_format(pmac_t *chip) | |
169 | { | |
170 | /* set up frequency and format */ | |
171 | out_le32(&chip->awacs->control, chip->control_mask | (chip->rate_index << 8)); | |
172 | out_le32(&chip->awacs->byteswap, chip->format == SNDRV_PCM_FORMAT_S16_LE ? 1 : 0); | |
173 | if (chip->set_format) | |
174 | chip->set_format(chip); | |
175 | } | |
176 | ||
177 | /* | |
178 | * stop the DMA transfer | |
179 | */ | |
77933d72 | 180 | static inline void snd_pmac_dma_stop(pmac_stream_t *rec) |
1da177e4 LT |
181 | { |
182 | out_le32(&rec->dma->control, (RUN|WAKE|FLUSH|PAUSE) << 16); | |
183 | snd_pmac_wait_ack(rec); | |
184 | } | |
185 | ||
186 | /* | |
187 | * set the command pointer address | |
188 | */ | |
77933d72 | 189 | static inline void snd_pmac_dma_set_command(pmac_stream_t *rec, pmac_dbdma_t *cmd) |
1da177e4 LT |
190 | { |
191 | out_le32(&rec->dma->cmdptr, cmd->addr); | |
192 | } | |
193 | ||
194 | /* | |
195 | * start the DMA | |
196 | */ | |
77933d72 | 197 | static inline void snd_pmac_dma_run(pmac_stream_t *rec, int status) |
1da177e4 LT |
198 | { |
199 | out_le32(&rec->dma->control, status | (status << 16)); | |
200 | } | |
201 | ||
202 | ||
203 | /* | |
204 | * prepare playback/capture stream | |
205 | */ | |
206 | static int snd_pmac_pcm_prepare(pmac_t *chip, pmac_stream_t *rec, snd_pcm_substream_t *subs) | |
207 | { | |
208 | int i; | |
209 | volatile struct dbdma_cmd __iomem *cp; | |
210 | snd_pcm_runtime_t *runtime = subs->runtime; | |
211 | int rate_index; | |
212 | long offset; | |
213 | pmac_stream_t *astr; | |
214 | ||
215 | rec->dma_size = snd_pcm_lib_buffer_bytes(subs); | |
216 | rec->period_size = snd_pcm_lib_period_bytes(subs); | |
217 | rec->nperiods = rec->dma_size / rec->period_size; | |
218 | rec->cur_period = 0; | |
219 | rate_index = snd_pmac_rate_index(chip, rec, runtime->rate); | |
220 | ||
221 | /* set up constraints */ | |
222 | astr = snd_pmac_get_stream(chip, another_stream(rec->stream)); | |
223 | snd_runtime_check(astr, return -EINVAL); | |
224 | astr->cur_freqs = 1 << rate_index; | |
225 | astr->cur_formats = 1 << runtime->format; | |
226 | chip->rate_index = rate_index; | |
227 | chip->format = runtime->format; | |
228 | ||
229 | /* We really want to execute a DMA stop command, after the AWACS | |
230 | * is initialized. | |
231 | * For reasons I don't understand, it stops the hissing noise | |
232 | * common to many PowerBook G3 systems and random noise otherwise | |
233 | * captured on iBook2's about every third time. -ReneR | |
234 | */ | |
235 | spin_lock_irq(&chip->reg_lock); | |
236 | snd_pmac_dma_stop(rec); | |
237 | st_le16(&chip->extra_dma.cmds->command, DBDMA_STOP); | |
238 | snd_pmac_dma_set_command(rec, &chip->extra_dma); | |
239 | snd_pmac_dma_run(rec, RUN); | |
240 | spin_unlock_irq(&chip->reg_lock); | |
241 | mdelay(5); | |
242 | spin_lock_irq(&chip->reg_lock); | |
243 | /* continuous DMA memory type doesn't provide the physical address, | |
244 | * so we need to resolve the address here... | |
245 | */ | |
7bbd8277 | 246 | offset = runtime->dma_addr; |
1da177e4 LT |
247 | for (i = 0, cp = rec->cmd.cmds; i < rec->nperiods; i++, cp++) { |
248 | st_le32(&cp->phy_addr, offset); | |
249 | st_le16(&cp->req_count, rec->period_size); | |
250 | /*st_le16(&cp->res_count, 0);*/ | |
251 | st_le16(&cp->xfer_status, 0); | |
252 | offset += rec->period_size; | |
253 | } | |
254 | /* make loop */ | |
255 | st_le16(&cp->command, DBDMA_NOP + BR_ALWAYS); | |
256 | st_le32(&cp->cmd_dep, rec->cmd.addr); | |
257 | ||
258 | snd_pmac_dma_stop(rec); | |
259 | snd_pmac_dma_set_command(rec, &rec->cmd); | |
260 | spin_unlock_irq(&chip->reg_lock); | |
261 | ||
262 | return 0; | |
263 | } | |
264 | ||
265 | ||
266 | /* | |
267 | * PCM trigger/stop | |
268 | */ | |
269 | static int snd_pmac_pcm_trigger(pmac_t *chip, pmac_stream_t *rec, | |
270 | snd_pcm_substream_t *subs, int cmd) | |
271 | { | |
272 | volatile struct dbdma_cmd __iomem *cp; | |
273 | int i, command; | |
274 | ||
275 | switch (cmd) { | |
276 | case SNDRV_PCM_TRIGGER_START: | |
277 | case SNDRV_PCM_TRIGGER_RESUME: | |
278 | if (rec->running) | |
279 | return -EBUSY; | |
280 | command = (subs->stream == SNDRV_PCM_STREAM_PLAYBACK ? | |
281 | OUTPUT_MORE : INPUT_MORE) + INTR_ALWAYS; | |
282 | spin_lock(&chip->reg_lock); | |
283 | snd_pmac_beep_stop(chip); | |
284 | snd_pmac_pcm_set_format(chip); | |
285 | for (i = 0, cp = rec->cmd.cmds; i < rec->nperiods; i++, cp++) | |
286 | out_le16(&cp->command, command); | |
287 | snd_pmac_dma_set_command(rec, &rec->cmd); | |
288 | (void)in_le32(&rec->dma->status); | |
289 | snd_pmac_dma_run(rec, RUN|WAKE); | |
290 | rec->running = 1; | |
291 | spin_unlock(&chip->reg_lock); | |
292 | break; | |
293 | ||
294 | case SNDRV_PCM_TRIGGER_STOP: | |
295 | case SNDRV_PCM_TRIGGER_SUSPEND: | |
296 | spin_lock(&chip->reg_lock); | |
297 | rec->running = 0; | |
298 | /*printk("stopped!!\n");*/ | |
299 | snd_pmac_dma_stop(rec); | |
300 | for (i = 0, cp = rec->cmd.cmds; i < rec->nperiods; i++, cp++) | |
301 | out_le16(&cp->command, DBDMA_STOP); | |
302 | spin_unlock(&chip->reg_lock); | |
303 | break; | |
304 | ||
305 | default: | |
306 | return -EINVAL; | |
307 | } | |
308 | ||
309 | return 0; | |
310 | } | |
311 | ||
312 | /* | |
313 | * return the current pointer | |
314 | */ | |
315 | inline | |
316 | static snd_pcm_uframes_t snd_pmac_pcm_pointer(pmac_t *chip, pmac_stream_t *rec, | |
317 | snd_pcm_substream_t *subs) | |
318 | { | |
319 | int count = 0; | |
320 | ||
321 | #if 1 /* hmm.. how can we get the current dma pointer?? */ | |
322 | int stat; | |
323 | volatile struct dbdma_cmd __iomem *cp = &rec->cmd.cmds[rec->cur_period]; | |
324 | stat = ld_le16(&cp->xfer_status); | |
325 | if (stat & (ACTIVE|DEAD)) { | |
326 | count = in_le16(&cp->res_count); | |
327 | if (count) | |
328 | count = rec->period_size - count; | |
329 | } | |
330 | #endif | |
331 | count += rec->cur_period * rec->period_size; | |
332 | /*printk("pointer=%d\n", count);*/ | |
333 | return bytes_to_frames(subs->runtime, count); | |
334 | } | |
335 | ||
336 | /* | |
337 | * playback | |
338 | */ | |
339 | ||
340 | static int snd_pmac_playback_prepare(snd_pcm_substream_t *subs) | |
341 | { | |
342 | pmac_t *chip = snd_pcm_substream_chip(subs); | |
343 | return snd_pmac_pcm_prepare(chip, &chip->playback, subs); | |
344 | } | |
345 | ||
346 | static int snd_pmac_playback_trigger(snd_pcm_substream_t *subs, | |
347 | int cmd) | |
348 | { | |
349 | pmac_t *chip = snd_pcm_substream_chip(subs); | |
350 | return snd_pmac_pcm_trigger(chip, &chip->playback, subs, cmd); | |
351 | } | |
352 | ||
353 | static snd_pcm_uframes_t snd_pmac_playback_pointer(snd_pcm_substream_t *subs) | |
354 | { | |
355 | pmac_t *chip = snd_pcm_substream_chip(subs); | |
356 | return snd_pmac_pcm_pointer(chip, &chip->playback, subs); | |
357 | } | |
358 | ||
359 | ||
360 | /* | |
361 | * capture | |
362 | */ | |
363 | ||
364 | static int snd_pmac_capture_prepare(snd_pcm_substream_t *subs) | |
365 | { | |
366 | pmac_t *chip = snd_pcm_substream_chip(subs); | |
367 | return snd_pmac_pcm_prepare(chip, &chip->capture, subs); | |
368 | } | |
369 | ||
370 | static int snd_pmac_capture_trigger(snd_pcm_substream_t *subs, | |
371 | int cmd) | |
372 | { | |
373 | pmac_t *chip = snd_pcm_substream_chip(subs); | |
374 | return snd_pmac_pcm_trigger(chip, &chip->capture, subs, cmd); | |
375 | } | |
376 | ||
377 | static snd_pcm_uframes_t snd_pmac_capture_pointer(snd_pcm_substream_t *subs) | |
378 | { | |
379 | pmac_t *chip = snd_pcm_substream_chip(subs); | |
380 | return snd_pmac_pcm_pointer(chip, &chip->capture, subs); | |
381 | } | |
382 | ||
383 | ||
384 | /* | |
385 | * update playback/capture pointer from interrupts | |
386 | */ | |
387 | static void snd_pmac_pcm_update(pmac_t *chip, pmac_stream_t *rec) | |
388 | { | |
389 | volatile struct dbdma_cmd __iomem *cp; | |
390 | int c; | |
391 | int stat; | |
392 | ||
393 | spin_lock(&chip->reg_lock); | |
394 | if (rec->running) { | |
395 | cp = &rec->cmd.cmds[rec->cur_period]; | |
396 | for (c = 0; c < rec->nperiods; c++) { /* at most all fragments */ | |
397 | stat = ld_le16(&cp->xfer_status); | |
398 | if (! (stat & ACTIVE)) | |
399 | break; | |
400 | /*printk("update frag %d\n", rec->cur_period);*/ | |
401 | st_le16(&cp->xfer_status, 0); | |
402 | st_le16(&cp->req_count, rec->period_size); | |
403 | /*st_le16(&cp->res_count, 0);*/ | |
404 | rec->cur_period++; | |
405 | if (rec->cur_period >= rec->nperiods) { | |
406 | rec->cur_period = 0; | |
407 | cp = rec->cmd.cmds; | |
408 | } else | |
409 | cp++; | |
410 | spin_unlock(&chip->reg_lock); | |
411 | snd_pcm_period_elapsed(rec->substream); | |
412 | spin_lock(&chip->reg_lock); | |
413 | } | |
414 | } | |
415 | spin_unlock(&chip->reg_lock); | |
416 | } | |
417 | ||
418 | ||
419 | /* | |
420 | * hw info | |
421 | */ | |
422 | ||
423 | static snd_pcm_hardware_t snd_pmac_playback = | |
424 | { | |
425 | .info = (SNDRV_PCM_INFO_INTERLEAVED | | |
426 | SNDRV_PCM_INFO_MMAP | | |
427 | SNDRV_PCM_INFO_MMAP_VALID | | |
428 | SNDRV_PCM_INFO_RESUME), | |
429 | .formats = SNDRV_PCM_FMTBIT_S16_BE | SNDRV_PCM_FMTBIT_S16_LE, | |
430 | .rates = SNDRV_PCM_RATE_8000_44100, | |
431 | .rate_min = 7350, | |
432 | .rate_max = 44100, | |
433 | .channels_min = 2, | |
434 | .channels_max = 2, | |
435 | .buffer_bytes_max = 131072, | |
436 | .period_bytes_min = 256, | |
437 | .period_bytes_max = 16384, | |
438 | .periods_min = 3, | |
439 | .periods_max = PMAC_MAX_FRAGS, | |
440 | }; | |
441 | ||
442 | static snd_pcm_hardware_t snd_pmac_capture = | |
443 | { | |
444 | .info = (SNDRV_PCM_INFO_INTERLEAVED | | |
445 | SNDRV_PCM_INFO_MMAP | | |
446 | SNDRV_PCM_INFO_MMAP_VALID | | |
447 | SNDRV_PCM_INFO_RESUME), | |
448 | .formats = SNDRV_PCM_FMTBIT_S16_BE | SNDRV_PCM_FMTBIT_S16_LE, | |
449 | .rates = SNDRV_PCM_RATE_8000_44100, | |
450 | .rate_min = 7350, | |
451 | .rate_max = 44100, | |
452 | .channels_min = 2, | |
453 | .channels_max = 2, | |
454 | .buffer_bytes_max = 131072, | |
455 | .period_bytes_min = 256, | |
456 | .period_bytes_max = 16384, | |
457 | .periods_min = 3, | |
458 | .periods_max = PMAC_MAX_FRAGS, | |
459 | }; | |
460 | ||
461 | ||
462 | #if 0 // NYI | |
463 | static int snd_pmac_hw_rule_rate(snd_pcm_hw_params_t *params, | |
464 | snd_pcm_hw_rule_t *rule) | |
465 | { | |
466 | pmac_t *chip = rule->private; | |
467 | pmac_stream_t *rec = snd_pmac_get_stream(chip, rule->deps[0]); | |
468 | int i, freq_table[8], num_freqs; | |
469 | ||
470 | snd_runtime_check(rec, return -EINVAL); | |
471 | num_freqs = 0; | |
472 | for (i = chip->num_freqs - 1; i >= 0; i--) { | |
473 | if (rec->cur_freqs & (1 << i)) | |
474 | freq_table[num_freqs++] = chip->freq_table[i]; | |
475 | } | |
476 | ||
477 | return snd_interval_list(hw_param_interval(params, rule->var), | |
478 | num_freqs, freq_table, 0); | |
479 | } | |
480 | ||
481 | static int snd_pmac_hw_rule_format(snd_pcm_hw_params_t *params, | |
482 | snd_pcm_hw_rule_t *rule) | |
483 | { | |
484 | pmac_t *chip = rule->private; | |
485 | pmac_stream_t *rec = snd_pmac_get_stream(chip, rule->deps[0]); | |
486 | ||
487 | snd_runtime_check(rec, return -EINVAL); | |
488 | return snd_mask_refine_set(hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT), | |
489 | rec->cur_formats); | |
490 | } | |
491 | #endif // NYI | |
492 | ||
493 | static int snd_pmac_pcm_open(pmac_t *chip, pmac_stream_t *rec, snd_pcm_substream_t *subs) | |
494 | { | |
495 | snd_pcm_runtime_t *runtime = subs->runtime; | |
496 | int i, j, fflags; | |
497 | static int typical_freqs[] = { | |
498 | 44100, | |
499 | 22050, | |
500 | 11025, | |
501 | 0, | |
502 | }; | |
503 | static int typical_freq_flags[] = { | |
504 | SNDRV_PCM_RATE_44100, | |
505 | SNDRV_PCM_RATE_22050, | |
506 | SNDRV_PCM_RATE_11025, | |
507 | 0, | |
508 | }; | |
509 | ||
510 | /* look up frequency table and fill bit mask */ | |
511 | runtime->hw.rates = 0; | |
512 | fflags = chip->freqs_ok; | |
513 | for (i = 0; typical_freqs[i]; i++) { | |
514 | for (j = 0; j < chip->num_freqs; j++) { | |
515 | if ((chip->freqs_ok & (1 << j)) && | |
516 | chip->freq_table[j] == typical_freqs[i]) { | |
517 | runtime->hw.rates |= typical_freq_flags[i]; | |
518 | fflags &= ~(1 << j); | |
519 | break; | |
520 | } | |
521 | } | |
522 | } | |
523 | if (fflags) /* rest */ | |
524 | runtime->hw.rates |= SNDRV_PCM_RATE_KNOT; | |
525 | ||
526 | /* check for minimum and maximum rates */ | |
527 | for (i = 0; i < chip->num_freqs; i++) { | |
528 | if (chip->freqs_ok & (1 << i)) { | |
529 | runtime->hw.rate_max = chip->freq_table[i]; | |
530 | break; | |
531 | } | |
532 | } | |
533 | for (i = chip->num_freqs - 1; i >= 0; i--) { | |
534 | if (chip->freqs_ok & (1 << i)) { | |
535 | runtime->hw.rate_min = chip->freq_table[i]; | |
536 | break; | |
537 | } | |
538 | } | |
539 | runtime->hw.formats = chip->formats_ok; | |
540 | if (chip->can_capture) { | |
541 | if (! chip->can_duplex) | |
542 | runtime->hw.info |= SNDRV_PCM_INFO_HALF_DUPLEX; | |
543 | runtime->hw.info |= SNDRV_PCM_INFO_JOINT_DUPLEX; | |
544 | } | |
545 | runtime->private_data = rec; | |
546 | rec->substream = subs; | |
547 | ||
548 | #if 0 /* FIXME: still under development.. */ | |
549 | snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, | |
550 | snd_pmac_hw_rule_rate, chip, rec->stream, -1); | |
551 | snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_FORMAT, | |
552 | snd_pmac_hw_rule_format, chip, rec->stream, -1); | |
553 | #endif | |
554 | ||
555 | runtime->hw.periods_max = rec->cmd.size - 1; | |
556 | ||
557 | if (chip->can_duplex) | |
558 | snd_pcm_set_sync(subs); | |
559 | ||
560 | /* constraints to fix choppy sound */ | |
561 | snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); | |
562 | return 0; | |
563 | } | |
564 | ||
565 | static int snd_pmac_pcm_close(pmac_t *chip, pmac_stream_t *rec, snd_pcm_substream_t *subs) | |
566 | { | |
567 | pmac_stream_t *astr; | |
568 | ||
569 | snd_pmac_dma_stop(rec); | |
570 | ||
571 | astr = snd_pmac_get_stream(chip, another_stream(rec->stream)); | |
572 | snd_runtime_check(astr, return -EINVAL); | |
573 | ||
574 | /* reset constraints */ | |
575 | astr->cur_freqs = chip->freqs_ok; | |
576 | astr->cur_formats = chip->formats_ok; | |
577 | ||
578 | return 0; | |
579 | } | |
580 | ||
581 | static int snd_pmac_playback_open(snd_pcm_substream_t *subs) | |
582 | { | |
583 | pmac_t *chip = snd_pcm_substream_chip(subs); | |
584 | ||
585 | subs->runtime->hw = snd_pmac_playback; | |
586 | return snd_pmac_pcm_open(chip, &chip->playback, subs); | |
587 | } | |
588 | ||
589 | static int snd_pmac_capture_open(snd_pcm_substream_t *subs) | |
590 | { | |
591 | pmac_t *chip = snd_pcm_substream_chip(subs); | |
592 | ||
593 | subs->runtime->hw = snd_pmac_capture; | |
594 | return snd_pmac_pcm_open(chip, &chip->capture, subs); | |
595 | } | |
596 | ||
597 | static int snd_pmac_playback_close(snd_pcm_substream_t *subs) | |
598 | { | |
599 | pmac_t *chip = snd_pcm_substream_chip(subs); | |
600 | ||
601 | return snd_pmac_pcm_close(chip, &chip->playback, subs); | |
602 | } | |
603 | ||
604 | static int snd_pmac_capture_close(snd_pcm_substream_t *subs) | |
605 | { | |
606 | pmac_t *chip = snd_pcm_substream_chip(subs); | |
607 | ||
608 | return snd_pmac_pcm_close(chip, &chip->capture, subs); | |
609 | } | |
610 | ||
611 | /* | |
612 | */ | |
613 | ||
614 | static snd_pcm_ops_t snd_pmac_playback_ops = { | |
615 | .open = snd_pmac_playback_open, | |
616 | .close = snd_pmac_playback_close, | |
617 | .ioctl = snd_pcm_lib_ioctl, | |
618 | .hw_params = snd_pmac_pcm_hw_params, | |
619 | .hw_free = snd_pmac_pcm_hw_free, | |
620 | .prepare = snd_pmac_playback_prepare, | |
621 | .trigger = snd_pmac_playback_trigger, | |
622 | .pointer = snd_pmac_playback_pointer, | |
623 | }; | |
624 | ||
625 | static snd_pcm_ops_t snd_pmac_capture_ops = { | |
626 | .open = snd_pmac_capture_open, | |
627 | .close = snd_pmac_capture_close, | |
628 | .ioctl = snd_pcm_lib_ioctl, | |
629 | .hw_params = snd_pmac_pcm_hw_params, | |
630 | .hw_free = snd_pmac_pcm_hw_free, | |
631 | .prepare = snd_pmac_capture_prepare, | |
632 | .trigger = snd_pmac_capture_trigger, | |
633 | .pointer = snd_pmac_capture_pointer, | |
634 | }; | |
635 | ||
636 | static void pmac_pcm_free(snd_pcm_t *pcm) | |
637 | { | |
638 | snd_pcm_lib_preallocate_free_for_all(pcm); | |
639 | } | |
640 | ||
641 | int __init snd_pmac_pcm_new(pmac_t *chip) | |
642 | { | |
643 | snd_pcm_t *pcm; | |
644 | int err; | |
645 | int num_captures = 1; | |
646 | ||
647 | if (! chip->can_capture) | |
648 | num_captures = 0; | |
649 | err = snd_pcm_new(chip->card, chip->card->driver, 0, 1, num_captures, &pcm); | |
650 | if (err < 0) | |
651 | return err; | |
652 | ||
653 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_pmac_playback_ops); | |
654 | if (chip->can_capture) | |
655 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_pmac_capture_ops); | |
656 | ||
657 | pcm->private_data = chip; | |
658 | pcm->private_free = pmac_pcm_free; | |
659 | pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX; | |
660 | strcpy(pcm->name, chip->card->shortname); | |
661 | chip->pcm = pcm; | |
662 | ||
663 | chip->formats_ok = SNDRV_PCM_FMTBIT_S16_BE; | |
664 | if (chip->can_byte_swap) | |
665 | chip->formats_ok |= SNDRV_PCM_FMTBIT_S16_LE; | |
666 | ||
667 | chip->playback.cur_formats = chip->formats_ok; | |
668 | chip->capture.cur_formats = chip->formats_ok; | |
669 | chip->playback.cur_freqs = chip->freqs_ok; | |
670 | chip->capture.cur_freqs = chip->freqs_ok; | |
671 | ||
672 | /* preallocate 64k buffer */ | |
7bbd8277 BH |
673 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, |
674 | &chip->pdev->dev, | |
1da177e4 LT |
675 | 64 * 1024, 64 * 1024); |
676 | ||
677 | return 0; | |
678 | } | |
679 | ||
680 | ||
681 | static void snd_pmac_dbdma_reset(pmac_t *chip) | |
682 | { | |
683 | out_le32(&chip->playback.dma->control, (RUN|PAUSE|FLUSH|WAKE|DEAD) << 16); | |
684 | snd_pmac_wait_ack(&chip->playback); | |
685 | out_le32(&chip->capture.dma->control, (RUN|PAUSE|FLUSH|WAKE|DEAD) << 16); | |
686 | snd_pmac_wait_ack(&chip->capture); | |
687 | } | |
688 | ||
689 | ||
690 | /* | |
691 | * handling beep | |
692 | */ | |
693 | void snd_pmac_beep_dma_start(pmac_t *chip, int bytes, unsigned long addr, int speed) | |
694 | { | |
695 | pmac_stream_t *rec = &chip->playback; | |
696 | ||
697 | snd_pmac_dma_stop(rec); | |
698 | st_le16(&chip->extra_dma.cmds->req_count, bytes); | |
699 | st_le16(&chip->extra_dma.cmds->xfer_status, 0); | |
700 | st_le32(&chip->extra_dma.cmds->cmd_dep, chip->extra_dma.addr); | |
701 | st_le32(&chip->extra_dma.cmds->phy_addr, addr); | |
702 | st_le16(&chip->extra_dma.cmds->command, OUTPUT_MORE + BR_ALWAYS); | |
703 | out_le32(&chip->awacs->control, | |
704 | (in_le32(&chip->awacs->control) & ~0x1f00) | |
705 | | (speed << 8)); | |
706 | out_le32(&chip->awacs->byteswap, 0); | |
707 | snd_pmac_dma_set_command(rec, &chip->extra_dma); | |
708 | snd_pmac_dma_run(rec, RUN); | |
709 | } | |
710 | ||
711 | void snd_pmac_beep_dma_stop(pmac_t *chip) | |
712 | { | |
713 | snd_pmac_dma_stop(&chip->playback); | |
714 | st_le16(&chip->extra_dma.cmds->command, DBDMA_STOP); | |
715 | snd_pmac_pcm_set_format(chip); /* reset format */ | |
716 | } | |
717 | ||
718 | ||
719 | /* | |
720 | * interrupt handlers | |
721 | */ | |
722 | static irqreturn_t | |
723 | snd_pmac_tx_intr(int irq, void *devid, struct pt_regs *regs) | |
724 | { | |
725 | pmac_t *chip = devid; | |
726 | snd_pmac_pcm_update(chip, &chip->playback); | |
727 | return IRQ_HANDLED; | |
728 | } | |
729 | ||
730 | ||
731 | static irqreturn_t | |
732 | snd_pmac_rx_intr(int irq, void *devid, struct pt_regs *regs) | |
733 | { | |
734 | pmac_t *chip = devid; | |
735 | snd_pmac_pcm_update(chip, &chip->capture); | |
736 | return IRQ_HANDLED; | |
737 | } | |
738 | ||
739 | ||
740 | static irqreturn_t | |
741 | snd_pmac_ctrl_intr(int irq, void *devid, struct pt_regs *regs) | |
742 | { | |
743 | pmac_t *chip = devid; | |
744 | int ctrl = in_le32(&chip->awacs->control); | |
745 | ||
746 | /*printk("pmac: control interrupt.. 0x%x\n", ctrl);*/ | |
747 | if (ctrl & MASK_PORTCHG) { | |
748 | /* do something when headphone is plugged/unplugged? */ | |
749 | if (chip->update_automute) | |
750 | chip->update_automute(chip, 1); | |
751 | } | |
752 | if (ctrl & MASK_CNTLERR) { | |
753 | int err = (in_le32(&chip->awacs->codec_stat) & MASK_ERRCODE) >> 16; | |
754 | if (err && chip->model <= PMAC_SCREAMER) | |
755 | snd_printk(KERN_DEBUG "error %x\n", err); | |
756 | } | |
757 | /* Writing 1s to the CNTLERR and PORTCHG bits clears them... */ | |
758 | out_le32(&chip->awacs->control, ctrl); | |
759 | return IRQ_HANDLED; | |
760 | } | |
761 | ||
762 | ||
763 | /* | |
764 | * a wrapper to feature call for compatibility | |
765 | */ | |
1da177e4 LT |
766 | static void snd_pmac_sound_feature(pmac_t *chip, int enable) |
767 | { | |
1da177e4 | 768 | ppc_md.feature_call(PMAC_FTR_SOUND_CHIP_ENABLE, chip->node, 0, enable); |
1da177e4 | 769 | } |
1da177e4 LT |
770 | |
771 | /* | |
772 | * release resources | |
773 | */ | |
774 | ||
775 | static int snd_pmac_free(pmac_t *chip) | |
776 | { | |
1da177e4 LT |
777 | /* stop sounds */ |
778 | if (chip->initialized) { | |
779 | snd_pmac_dbdma_reset(chip); | |
780 | /* disable interrupts from awacs interface */ | |
781 | out_le32(&chip->awacs->control, in_le32(&chip->awacs->control) & 0xfff); | |
782 | } | |
783 | ||
784 | snd_pmac_sound_feature(chip, 0); | |
8c870933 | 785 | #ifdef CONFIG_PM |
1da177e4 LT |
786 | snd_pmac_unregister_sleep_notifier(chip); |
787 | #endif | |
788 | ||
789 | /* clean up mixer if any */ | |
790 | if (chip->mixer_free) | |
791 | chip->mixer_free(chip); | |
792 | ||
793 | snd_pmac_detach_beep(chip); | |
794 | ||
795 | /* release resources */ | |
796 | if (chip->irq >= 0) | |
797 | free_irq(chip->irq, (void*)chip); | |
798 | if (chip->tx_irq >= 0) | |
799 | free_irq(chip->tx_irq, (void*)chip); | |
800 | if (chip->rx_irq >= 0) | |
801 | free_irq(chip->rx_irq, (void*)chip); | |
7bbd8277 BH |
802 | snd_pmac_dbdma_free(chip, &chip->playback.cmd); |
803 | snd_pmac_dbdma_free(chip, &chip->capture.cmd); | |
804 | snd_pmac_dbdma_free(chip, &chip->extra_dma); | |
1da177e4 LT |
805 | if (chip->macio_base) |
806 | iounmap(chip->macio_base); | |
807 | if (chip->latch_base) | |
808 | iounmap(chip->latch_base); | |
809 | if (chip->awacs) | |
810 | iounmap(chip->awacs); | |
811 | if (chip->playback.dma) | |
812 | iounmap(chip->playback.dma); | |
813 | if (chip->capture.dma) | |
814 | iounmap(chip->capture.dma); | |
7bbd8277 | 815 | #ifndef CONFIG_PPC64 |
1da177e4 | 816 | if (chip->node) { |
7bbd8277 BH |
817 | int i; |
818 | ||
1da177e4 | 819 | for (i = 0; i < 3; i++) { |
7bbd8277 BH |
820 | if (chip->of_requested & (1 << i)) { |
821 | if (chip->is_k2) | |
822 | release_OF_resource(chip->node->parent, | |
823 | i); | |
824 | else | |
825 | release_OF_resource(chip->node, i); | |
826 | } | |
1da177e4 LT |
827 | } |
828 | } | |
7bbd8277 BH |
829 | #endif /* CONFIG_PPC64 */ |
830 | if (chip->pdev) | |
831 | pci_dev_put(chip->pdev); | |
1da177e4 LT |
832 | kfree(chip); |
833 | return 0; | |
834 | } | |
835 | ||
836 | ||
837 | /* | |
838 | * free the device | |
839 | */ | |
840 | static int snd_pmac_dev_free(snd_device_t *device) | |
841 | { | |
842 | pmac_t *chip = device->device_data; | |
843 | return snd_pmac_free(chip); | |
844 | } | |
845 | ||
846 | ||
847 | /* | |
848 | * check the machine support byteswap (little-endian) | |
849 | */ | |
850 | ||
851 | static void __init detect_byte_swap(pmac_t *chip) | |
852 | { | |
853 | struct device_node *mio; | |
854 | ||
855 | /* if seems that Keylargo can't byte-swap */ | |
856 | for (mio = chip->node->parent; mio; mio = mio->parent) { | |
857 | if (strcmp(mio->name, "mac-io") == 0) { | |
858 | if (device_is_compatible(mio, "Keylargo")) | |
859 | chip->can_byte_swap = 0; | |
860 | break; | |
861 | } | |
862 | } | |
863 | ||
864 | /* it seems the Pismo & iBook can't byte-swap in hardware. */ | |
865 | if (machine_is_compatible("PowerBook3,1") || | |
866 | machine_is_compatible("PowerBook2,1")) | |
867 | chip->can_byte_swap = 0 ; | |
868 | ||
869 | if (machine_is_compatible("PowerBook2,1")) | |
870 | chip->can_duplex = 0; | |
871 | } | |
872 | ||
873 | ||
874 | /* | |
875 | * detect a sound chip | |
876 | */ | |
877 | static int __init snd_pmac_detect(pmac_t *chip) | |
878 | { | |
5218064c | 879 | struct device_node *sound = NULL; |
1da177e4 | 880 | unsigned int *prop, l; |
7bbd8277 BH |
881 | struct macio_chip* macio; |
882 | ||
b75550e1 | 883 | u32 layout_id = 0; |
1da177e4 LT |
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) | |
5218064c | 909 | sound = chip->node; |
1da177e4 LT |
910 | |
911 | /* | |
912 | * powermac G3 models have a node called "davbus" | |
913 | * with a child called "sound". | |
914 | */ | |
5218064c BH |
915 | if (!chip->node) |
916 | chip->node = find_devices("davbus"); | |
1da177e4 LT |
917 | /* |
918 | * if we didn't find a davbus device, try 'i2s-a' since | |
919 | * this seems to be what iBooks have | |
920 | */ | |
7bbd8277 | 921 | if (! chip->node) { |
1da177e4 | 922 | chip->node = find_devices("i2s-a"); |
5218064c BH |
923 | if (chip->node && chip->node->parent && |
924 | chip->node->parent->parent) { | |
7bbd8277 BH |
925 | if (device_is_compatible(chip->node->parent->parent, |
926 | "K2-Keylargo")) | |
927 | chip->is_k2 = 1; | |
928 | } | |
929 | } | |
1da177e4 LT |
930 | if (! chip->node) |
931 | return -ENODEV; | |
7bbd8277 | 932 | |
5218064c BH |
933 | if (!sound) { |
934 | sound = find_devices("sound"); | |
935 | while (sound && sound->parent != chip->node) | |
936 | sound = sound->next; | |
937 | } | |
1da177e4 LT |
938 | if (! sound) |
939 | return -ENODEV; | |
940 | prop = (unsigned int *) get_property(sound, "sub-frame", NULL); | |
941 | if (prop && *prop < 16) | |
942 | chip->subframe = *prop; | |
b75550e1 BH |
943 | prop = (unsigned int *) get_property(sound, "layout-id", NULL); |
944 | if (prop) | |
945 | layout_id = *prop; | |
1da177e4 LT |
946 | /* This should be verified on older screamers */ |
947 | if (device_is_compatible(sound, "screamer")) { | |
948 | chip->model = PMAC_SCREAMER; | |
949 | // chip->can_byte_swap = 0; /* FIXME: check this */ | |
950 | } | |
951 | if (device_is_compatible(sound, "burgundy")) { | |
952 | chip->model = PMAC_BURGUNDY; | |
953 | chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ | |
954 | } | |
955 | if (device_is_compatible(sound, "daca")) { | |
956 | chip->model = PMAC_DACA; | |
957 | chip->can_capture = 0; /* no capture */ | |
958 | chip->can_duplex = 0; | |
959 | // chip->can_byte_swap = 0; /* FIXME: check this */ | |
960 | chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ | |
961 | } | |
962 | if (device_is_compatible(sound, "tumbler")) { | |
963 | chip->model = PMAC_TUMBLER; | |
964 | chip->can_capture = 0; /* no capture */ | |
965 | chip->can_duplex = 0; | |
966 | // chip->can_byte_swap = 0; /* FIXME: check this */ | |
967 | chip->num_freqs = ARRAY_SIZE(tumbler_freqs); | |
968 | chip->freq_table = tumbler_freqs; | |
969 | chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ | |
970 | } | |
971 | if (device_is_compatible(sound, "snapper")) { | |
972 | chip->model = PMAC_SNAPPER; | |
973 | // chip->can_byte_swap = 0; /* FIXME: check this */ | |
974 | chip->num_freqs = ARRAY_SIZE(tumbler_freqs); | |
975 | chip->freq_table = tumbler_freqs; | |
976 | chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ | |
977 | } | |
b75550e1 | 978 | if (device_is_compatible(sound, "AOAKeylargo") || |
7bbd8277 BH |
979 | device_is_compatible(sound, "AOAbase") || |
980 | device_is_compatible(sound, "AOAK2")) { | |
b75550e1 BH |
981 | /* For now, only support very basic TAS3004 based machines with |
982 | * single frequency until proper i2s control is implemented | |
983 | */ | |
984 | switch(layout_id) { | |
985 | case 0x48: | |
986 | case 0x46: | |
987 | case 0x33: | |
988 | case 0x29: | |
7bbd8277 | 989 | case 0x24: |
b75550e1 BH |
990 | chip->num_freqs = ARRAY_SIZE(tumbler_freqs); |
991 | chip->model = PMAC_SNAPPER; | |
992 | chip->can_byte_swap = 0; /* FIXME: check this */ | |
1f7b49d0 BH |
993 | chip->control_mask = MASK_IEPC | 0x11;/* disable IEE */ |
994 | break; | |
995 | case 0x3a: | |
996 | chip->num_freqs = ARRAY_SIZE(tumbler_freqs); | |
997 | chip->model = PMAC_TOONIE; | |
998 | chip->can_byte_swap = 0; /* FIXME: check this */ | |
999 | chip->control_mask = MASK_IEPC | 0x11;/* disable IEE */ | |
b75550e1 BH |
1000 | break; |
1001 | } | |
1da177e4 LT |
1002 | } |
1003 | prop = (unsigned int *)get_property(sound, "device-id", NULL); | |
1004 | if (prop) | |
1005 | chip->device_id = *prop; | |
1006 | chip->has_iic = (find_devices("perch") != NULL); | |
1007 | ||
7bbd8277 BH |
1008 | /* We need the PCI device for DMA allocations, let's use a crude method |
1009 | * for now ... | |
1010 | */ | |
1011 | macio = macio_find(chip->node, macio_unknown); | |
1012 | if (macio == NULL) | |
1013 | printk(KERN_WARNING "snd-powermac: can't locate macio !\n"); | |
1014 | else { | |
1015 | struct pci_dev *pdev = NULL; | |
1016 | ||
1017 | for_each_pci_dev(pdev) { | |
1018 | struct device_node *np = pci_device_to_OF_node(pdev); | |
1019 | if (np && np == macio->of_node) { | |
1020 | chip->pdev = pdev; | |
1021 | break; | |
1022 | } | |
1023 | } | |
1024 | } | |
1025 | if (chip->pdev == NULL) | |
5218064c BH |
1026 | printk(KERN_WARNING "snd-powermac: can't locate macio PCI" |
1027 | " device !\n"); | |
7bbd8277 | 1028 | |
1da177e4 LT |
1029 | detect_byte_swap(chip); |
1030 | ||
1031 | /* look for a property saying what sample rates | |
1032 | are available */ | |
1033 | prop = (unsigned int *) get_property(sound, "sample-rates", &l); | |
1034 | if (! prop) | |
5218064c BH |
1035 | prop = (unsigned int *) get_property(sound, |
1036 | "output-frame-rates", &l); | |
1da177e4 LT |
1037 | if (prop) { |
1038 | int i; | |
1039 | chip->freqs_ok = 0; | |
1040 | for (l /= sizeof(int); l > 0; --l) { | |
1041 | unsigned int r = *prop++; | |
1042 | /* Apple 'Fixed' format */ | |
1043 | if (r >= 0x10000) | |
1044 | r >>= 16; | |
1045 | for (i = 0; i < chip->num_freqs; ++i) { | |
1046 | if (r == chip->freq_table[i]) { | |
1047 | chip->freqs_ok |= (1 << i); | |
1048 | break; | |
1049 | } | |
1050 | } | |
1051 | } | |
1052 | } else { | |
1053 | /* assume only 44.1khz */ | |
1054 | chip->freqs_ok = 1; | |
1055 | } | |
1056 | ||
1057 | return 0; | |
1058 | } | |
1059 | ||
1060 | /* | |
1061 | * exported - boolean info callbacks for ease of programming | |
1062 | */ | |
5218064c BH |
1063 | int snd_pmac_boolean_stereo_info(snd_kcontrol_t *kcontrol, |
1064 | snd_ctl_elem_info_t *uinfo) | |
1da177e4 LT |
1065 | { |
1066 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | |
1067 | uinfo->count = 2; | |
1068 | uinfo->value.integer.min = 0; | |
1069 | uinfo->value.integer.max = 1; | |
1070 | return 0; | |
1071 | } | |
1072 | ||
5218064c BH |
1073 | int snd_pmac_boolean_mono_info(snd_kcontrol_t *kcontrol, |
1074 | snd_ctl_elem_info_t *uinfo) | |
1da177e4 LT |
1075 | { |
1076 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | |
1077 | uinfo->count = 1; | |
1078 | uinfo->value.integer.min = 0; | |
1079 | uinfo->value.integer.max = 1; | |
1080 | return 0; | |
1081 | } | |
1082 | ||
1083 | #ifdef PMAC_SUPPORT_AUTOMUTE | |
1084 | /* | |
1085 | * auto-mute | |
1086 | */ | |
1087 | static int pmac_auto_mute_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) | |
1088 | { | |
1089 | pmac_t *chip = snd_kcontrol_chip(kcontrol); | |
1090 | ucontrol->value.integer.value[0] = chip->auto_mute; | |
1091 | return 0; | |
1092 | } | |
1093 | ||
1094 | static int pmac_auto_mute_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) | |
1095 | { | |
1096 | pmac_t *chip = snd_kcontrol_chip(kcontrol); | |
1097 | if (ucontrol->value.integer.value[0] != chip->auto_mute) { | |
1098 | chip->auto_mute = ucontrol->value.integer.value[0]; | |
1099 | if (chip->update_automute) | |
1100 | chip->update_automute(chip, 1); | |
1101 | return 1; | |
1102 | } | |
1103 | return 0; | |
1104 | } | |
1105 | ||
1106 | static int pmac_hp_detect_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) | |
1107 | { | |
1108 | pmac_t *chip = snd_kcontrol_chip(kcontrol); | |
1109 | if (chip->detect_headphone) | |
1110 | ucontrol->value.integer.value[0] = chip->detect_headphone(chip); | |
1111 | else | |
1112 | ucontrol->value.integer.value[0] = 0; | |
1113 | return 0; | |
1114 | } | |
1115 | ||
1116 | static snd_kcontrol_new_t auto_mute_controls[] __initdata = { | |
1117 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1118 | .name = "Auto Mute Switch", | |
1119 | .info = snd_pmac_boolean_mono_info, | |
1120 | .get = pmac_auto_mute_get, | |
1121 | .put = pmac_auto_mute_put, | |
1122 | }, | |
1123 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1124 | .name = "Headphone Detection", | |
1125 | .access = SNDRV_CTL_ELEM_ACCESS_READ, | |
1126 | .info = snd_pmac_boolean_mono_info, | |
1127 | .get = pmac_hp_detect_get, | |
1128 | }, | |
1129 | }; | |
1130 | ||
1131 | int __init snd_pmac_add_automute(pmac_t *chip) | |
1132 | { | |
1133 | int err; | |
1134 | chip->auto_mute = 1; | |
1135 | err = snd_ctl_add(chip->card, snd_ctl_new1(&auto_mute_controls[0], chip)); | |
7bbd8277 BH |
1136 | if (err < 0) { |
1137 | printk(KERN_ERR "snd-powermac: Failed to add automute control\n"); | |
1da177e4 | 1138 | return err; |
7bbd8277 | 1139 | } |
1da177e4 LT |
1140 | chip->hp_detect_ctl = snd_ctl_new1(&auto_mute_controls[1], chip); |
1141 | return snd_ctl_add(chip->card, chip->hp_detect_ctl); | |
1142 | } | |
1143 | #endif /* PMAC_SUPPORT_AUTOMUTE */ | |
1144 | ||
1145 | /* | |
1146 | * create and detect a pmac chip record | |
1147 | */ | |
1148 | int __init snd_pmac_new(snd_card_t *card, pmac_t **chip_return) | |
1149 | { | |
1150 | pmac_t *chip; | |
1151 | struct device_node *np; | |
1152 | int i, err; | |
7bbd8277 | 1153 | unsigned long ctrl_addr, txdma_addr, rxdma_addr; |
1da177e4 LT |
1154 | static snd_device_ops_t ops = { |
1155 | .dev_free = snd_pmac_dev_free, | |
1156 | }; | |
1157 | ||
1158 | snd_runtime_check(chip_return, return -EINVAL); | |
1159 | *chip_return = NULL; | |
1160 | ||
1161 | chip = kcalloc(1, sizeof(*chip), GFP_KERNEL); | |
1162 | if (chip == NULL) | |
1163 | return -ENOMEM; | |
1164 | chip->card = card; | |
1165 | ||
1166 | spin_lock_init(&chip->reg_lock); | |
1167 | chip->irq = chip->tx_irq = chip->rx_irq = -1; | |
1168 | ||
1169 | chip->playback.stream = SNDRV_PCM_STREAM_PLAYBACK; | |
1170 | chip->capture.stream = SNDRV_PCM_STREAM_CAPTURE; | |
1171 | ||
1172 | if ((err = snd_pmac_detect(chip)) < 0) | |
1173 | goto __error; | |
1174 | ||
7bbd8277 BH |
1175 | if (snd_pmac_dbdma_alloc(chip, &chip->playback.cmd, PMAC_MAX_FRAGS + 1) < 0 || |
1176 | snd_pmac_dbdma_alloc(chip, &chip->capture.cmd, PMAC_MAX_FRAGS + 1) < 0 || | |
1177 | snd_pmac_dbdma_alloc(chip, &chip->extra_dma, 2) < 0) { | |
1da177e4 LT |
1178 | err = -ENOMEM; |
1179 | goto __error; | |
1180 | } | |
1181 | ||
1182 | np = chip->node; | |
7bbd8277 BH |
1183 | if (chip->is_k2) { |
1184 | if (np->parent->n_addrs < 2 || np->n_intrs < 3) { | |
1185 | err = -ENODEV; | |
1186 | goto __error; | |
1187 | } | |
1188 | for (i = 0; i < 2; i++) { | |
1189 | #ifndef CONFIG_PPC64 | |
1190 | static char *name[2] = { "- Control", "- DMA" }; | |
1191 | if (! request_OF_resource(np->parent, i, name[i])) { | |
1192 | snd_printk(KERN_ERR "pmac: can't request resource %d!\n", i); | |
1193 | err = -ENODEV; | |
1194 | goto __error; | |
1195 | } | |
1196 | chip->of_requested |= (1 << i); | |
1197 | #endif /* CONFIG_PPC64 */ | |
1198 | ctrl_addr = np->parent->addrs[0].address; | |
1199 | txdma_addr = np->parent->addrs[1].address; | |
1200 | rxdma_addr = txdma_addr + 0x100; | |
1201 | } | |
1da177e4 | 1202 | |
7bbd8277 BH |
1203 | } else { |
1204 | if (np->n_addrs < 3 || np->n_intrs < 3) { | |
1da177e4 LT |
1205 | err = -ENODEV; |
1206 | goto __error; | |
1207 | } | |
7bbd8277 BH |
1208 | |
1209 | for (i = 0; i < 3; i++) { | |
1210 | #ifndef CONFIG_PPC64 | |
1211 | static char *name[3] = { "- Control", "- Tx DMA", "- Rx DMA" }; | |
1212 | if (! request_OF_resource(np, i, name[i])) { | |
1213 | snd_printk(KERN_ERR "pmac: can't request resource %d!\n", i); | |
1214 | err = -ENODEV; | |
1215 | goto __error; | |
1216 | } | |
1217 | chip->of_requested |= (1 << i); | |
1218 | #endif /* CONFIG_PPC64 */ | |
1219 | ctrl_addr = np->addrs[0].address; | |
1220 | txdma_addr = np->addrs[1].address; | |
1221 | rxdma_addr = np->addrs[2].address; | |
1222 | } | |
1da177e4 LT |
1223 | } |
1224 | ||
7bbd8277 BH |
1225 | chip->awacs = ioremap(ctrl_addr, 0x1000); |
1226 | chip->playback.dma = ioremap(txdma_addr, 0x100); | |
1227 | chip->capture.dma = ioremap(rxdma_addr, 0x100); | |
1da177e4 LT |
1228 | if (chip->model <= PMAC_BURGUNDY) { |
1229 | if (request_irq(np->intrs[0].line, snd_pmac_ctrl_intr, 0, | |
1230 | "PMac", (void*)chip)) { | |
1231 | snd_printk(KERN_ERR "pmac: unable to grab IRQ %d\n", np->intrs[0].line); | |
1232 | err = -EBUSY; | |
1233 | goto __error; | |
1234 | } | |
1235 | chip->irq = np->intrs[0].line; | |
1236 | } | |
1237 | if (request_irq(np->intrs[1].line, snd_pmac_tx_intr, 0, | |
1238 | "PMac Output", (void*)chip)) { | |
1239 | snd_printk(KERN_ERR "pmac: unable to grab IRQ %d\n", np->intrs[1].line); | |
1240 | err = -EBUSY; | |
1241 | goto __error; | |
1242 | } | |
1243 | chip->tx_irq = np->intrs[1].line; | |
1244 | if (request_irq(np->intrs[2].line, snd_pmac_rx_intr, 0, | |
1245 | "PMac Input", (void*)chip)) { | |
1246 | snd_printk(KERN_ERR "pmac: unable to grab IRQ %d\n", np->intrs[2].line); | |
1247 | err = -EBUSY; | |
1248 | goto __error; | |
1249 | } | |
1250 | chip->rx_irq = np->intrs[2].line; | |
1251 | ||
1252 | snd_pmac_sound_feature(chip, 1); | |
1253 | ||
1254 | /* reset */ | |
7bbd8277 BH |
1255 | if (chip->model == PMAC_AWACS) |
1256 | out_le32(&chip->awacs->control, 0x11); | |
1da177e4 LT |
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 | && mio->n_addrs > 0) { | |
1276 | chip->macio_base = ioremap(mio->addrs[0].address, 0x40); | |
1277 | break; | |
1278 | } | |
1279 | } | |
1280 | /* Enable CD sound input. */ | |
1281 | /* The relevant bits for writing to this byte are 0x8f. | |
1282 | * I haven't found out what the 0x80 bit does. | |
1283 | * For the 0xf bits, writing 3 or 7 enables the CD | |
1284 | * input, any other value disables it. Values | |
1285 | * 1, 3, 5, 7 enable the microphone. Values 0, 2, | |
1286 | * 4, 6, 8 - f enable the input from the modem. | |
1287 | */ | |
1288 | if (chip->macio_base) | |
1289 | out_8(chip->macio_base + 0x37, 3); | |
1290 | } | |
1291 | ||
1292 | /* Reset dbdma channels */ | |
1293 | snd_pmac_dbdma_reset(chip); | |
1294 | ||
8c870933 | 1295 | #ifdef CONFIG_PM |
1da177e4 LT |
1296 | /* add sleep notifier */ |
1297 | if (! snd_pmac_register_sleep_notifier(chip)) | |
1298 | snd_card_set_pm_callback(chip->card, snd_pmac_suspend, snd_pmac_resume, chip); | |
1299 | #endif | |
1300 | ||
1301 | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) | |
1302 | goto __error; | |
1303 | ||
1304 | *chip_return = chip; | |
1305 | return 0; | |
1306 | ||
1307 | __error: | |
7bbd8277 BH |
1308 | if (chip->pdev) |
1309 | pci_dev_put(chip->pdev); | |
1da177e4 LT |
1310 | snd_pmac_free(chip); |
1311 | return err; | |
1312 | } | |
1313 | ||
1314 | ||
1315 | /* | |
1316 | * sleep notify for powerbook | |
1317 | */ | |
1318 | ||
8c870933 | 1319 | #ifdef CONFIG_PM |
1da177e4 LT |
1320 | |
1321 | /* | |
1322 | * Save state when going to sleep, restore it afterwards. | |
1323 | */ | |
1324 | ||
1325 | static int snd_pmac_suspend(snd_card_t *card, pm_message_t state) | |
1326 | { | |
1327 | pmac_t *chip = card->pm_private_data; | |
1328 | unsigned long flags; | |
1329 | ||
1330 | if (chip->suspend) | |
1331 | chip->suspend(chip); | |
1332 | snd_pcm_suspend_all(chip->pcm); | |
1333 | spin_lock_irqsave(&chip->reg_lock, flags); | |
1334 | snd_pmac_beep_stop(chip); | |
1335 | spin_unlock_irqrestore(&chip->reg_lock, flags); | |
1336 | if (chip->irq >= 0) | |
1337 | disable_irq(chip->irq); | |
1338 | if (chip->tx_irq >= 0) | |
1339 | disable_irq(chip->tx_irq); | |
1340 | if (chip->rx_irq >= 0) | |
1341 | disable_irq(chip->rx_irq); | |
1342 | snd_pmac_sound_feature(chip, 0); | |
1343 | return 0; | |
1344 | } | |
1345 | ||
1346 | static int snd_pmac_resume(snd_card_t *card) | |
1347 | { | |
1348 | pmac_t *chip = card->pm_private_data; | |
1349 | ||
1350 | snd_pmac_sound_feature(chip, 1); | |
1351 | if (chip->resume) | |
1352 | chip->resume(chip); | |
1353 | /* enable CD sound input */ | |
1354 | if (chip->macio_base && chip->is_pbook_G3) { | |
1355 | out_8(chip->macio_base + 0x37, 3); | |
1356 | } else if (chip->is_pbook_3400) { | |
1357 | in_8(chip->latch_base + 0x190); | |
1358 | } | |
1359 | ||
1360 | snd_pmac_pcm_set_format(chip); | |
1361 | ||
1362 | if (chip->irq >= 0) | |
1363 | enable_irq(chip->irq); | |
1364 | if (chip->tx_irq >= 0) | |
1365 | enable_irq(chip->tx_irq); | |
1366 | if (chip->rx_irq >= 0) | |
1367 | enable_irq(chip->rx_irq); | |
1368 | ||
1369 | return 0; | |
1370 | } | |
1371 | ||
1372 | /* the chip is stored statically by snd_pmac_register_sleep_notifier | |
1373 | * because we can't have any private data for notify callback. | |
1374 | */ | |
1375 | static pmac_t *sleeping_pmac = NULL; | |
1376 | ||
1377 | static int snd_pmac_sleep_notify(struct pmu_sleep_notifier *self, int when) | |
1378 | { | |
1379 | pmac_t *chip; | |
1380 | ||
1381 | chip = sleeping_pmac; | |
1382 | snd_runtime_check(chip, return 0); | |
1383 | ||
1384 | switch (when) { | |
1385 | case PBOOK_SLEEP_NOW: | |
1386 | snd_pmac_suspend(chip->card, PMSG_SUSPEND); | |
1387 | break; | |
1388 | case PBOOK_WAKE: | |
1389 | snd_pmac_resume(chip->card); | |
1390 | break; | |
1391 | } | |
1392 | return PBOOK_SLEEP_OK; | |
1393 | } | |
1394 | ||
1395 | static struct pmu_sleep_notifier snd_pmac_sleep_notifier = { | |
1396 | snd_pmac_sleep_notify, SLEEP_LEVEL_SOUND, | |
1397 | }; | |
1398 | ||
1399 | static int __init snd_pmac_register_sleep_notifier(pmac_t *chip) | |
1400 | { | |
1401 | /* should be protected here.. */ | |
1402 | snd_assert(! sleeping_pmac, return -EBUSY); | |
1403 | sleeping_pmac = chip; | |
1404 | pmu_register_sleep_notifier(&snd_pmac_sleep_notifier); | |
1405 | return 0; | |
1406 | } | |
1407 | ||
1408 | static int snd_pmac_unregister_sleep_notifier(pmac_t *chip) | |
1409 | { | |
1410 | /* should be protected here.. */ | |
1411 | snd_assert(sleeping_pmac == chip, return -ENODEV); | |
1412 | pmu_unregister_sleep_notifier(&snd_pmac_sleep_notifier); | |
1413 | sleeping_pmac = NULL; | |
1414 | return 0; | |
1415 | } | |
1416 | ||
8c870933 BH |
1417 | #endif /* CONFIG_PM */ |
1418 |