Commit | Line | Data |
---|---|---|
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 | ||
1da177e4 LT |
23 | #include <asm/io.h> |
24 | #include <asm/irq.h> | |
25 | #include <linux/init.h> | |
26 | #include <linux/delay.h> | |
27 | #include <linux/slab.h> | |
28 | #include <linux/interrupt.h> | |
7bbd8277 BH |
29 | #include <linux/pci.h> |
30 | #include <linux/dma-mapping.h> | |
1da177e4 LT |
31 | #include <sound/core.h> |
32 | #include "pmac.h" | |
33 | #include <sound/pcm_params.h> | |
1da177e4 | 34 | #include <asm/pmac_feature.h> |
7bbd8277 | 35 | #include <asm/pci-bridge.h> |
1da177e4 LT |
36 | |
37 | ||
1da177e4 LT |
38 | /* fixed frequency table for awacs, screamer, burgundy, DACA (44100 max) */ |
39 | static int awacs_freqs[8] = { | |
40 | 44100, 29400, 22050, 17640, 14700, 11025, 8820, 7350 | |
41 | }; | |
42 | /* fixed frequency table for tumbler */ | |
43 | static int tumbler_freqs[1] = { | |
44 | 44100 | |
45 | }; | |
46 | ||
47 | /* | |
48 | * allocate DBDMA command arrays | |
49 | */ | |
65b29f50 | 50 | static int snd_pmac_dbdma_alloc(struct snd_pmac *chip, struct pmac_dbdma *rec, int size) |
1da177e4 | 51 | { |
7bbd8277 BH |
52 | unsigned int rsize = sizeof(struct dbdma_cmd) * (size + 1); |
53 | ||
54 | rec->space = dma_alloc_coherent(&chip->pdev->dev, rsize, | |
55 | &rec->dma_base, GFP_KERNEL); | |
1da177e4 LT |
56 | if (rec->space == NULL) |
57 | return -ENOMEM; | |
58 | rec->size = size; | |
7bbd8277 | 59 | memset(rec->space, 0, rsize); |
1da177e4 | 60 | rec->cmds = (void __iomem *)DBDMA_ALIGN(rec->space); |
7bbd8277 BH |
61 | rec->addr = rec->dma_base + (unsigned long)((char *)rec->cmds - (char *)rec->space); |
62 | ||
1da177e4 LT |
63 | return 0; |
64 | } | |
65 | ||
65b29f50 | 66 | static void snd_pmac_dbdma_free(struct snd_pmac *chip, struct pmac_dbdma *rec) |
1da177e4 | 67 | { |
367636e8 | 68 | if (rec->space) { |
7bbd8277 BH |
69 | unsigned int rsize = sizeof(struct dbdma_cmd) * (rec->size + 1); |
70 | ||
71 | dma_free_coherent(&chip->pdev->dev, rsize, rec->space, rec->dma_base); | |
72 | } | |
1da177e4 LT |
73 | } |
74 | ||
75 | ||
76 | /* | |
77 | * pcm stuff | |
78 | */ | |
79 | ||
80 | /* | |
81 | * look up frequency table | |
82 | */ | |
83 | ||
65b29f50 | 84 | unsigned int snd_pmac_rate_index(struct snd_pmac *chip, struct pmac_stream *rec, unsigned int rate) |
1da177e4 LT |
85 | { |
86 | int i, ok, found; | |
87 | ||
88 | ok = rec->cur_freqs; | |
89 | if (rate > chip->freq_table[0]) | |
90 | return 0; | |
91 | found = 0; | |
92 | for (i = 0; i < chip->num_freqs; i++, ok >>= 1) { | |
93 | if (! (ok & 1)) continue; | |
94 | found = i; | |
95 | if (rate >= chip->freq_table[i]) | |
96 | break; | |
97 | } | |
98 | return found; | |
99 | } | |
100 | ||
101 | /* | |
102 | * check whether another stream is active | |
103 | */ | |
104 | static inline int another_stream(int stream) | |
105 | { | |
106 | return (stream == SNDRV_PCM_STREAM_PLAYBACK) ? | |
107 | SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; | |
108 | } | |
109 | ||
110 | /* | |
111 | * allocate buffers | |
112 | */ | |
65b29f50 TI |
113 | static int snd_pmac_pcm_hw_params(struct snd_pcm_substream *subs, |
114 | struct snd_pcm_hw_params *hw_params) | |
1da177e4 LT |
115 | { |
116 | return snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw_params)); | |
117 | } | |
118 | ||
119 | /* | |
120 | * release buffers | |
121 | */ | |
65b29f50 | 122 | static int snd_pmac_pcm_hw_free(struct snd_pcm_substream *subs) |
1da177e4 LT |
123 | { |
124 | snd_pcm_lib_free_pages(subs); | |
125 | return 0; | |
126 | } | |
127 | ||
128 | /* | |
129 | * get a stream of the opposite direction | |
130 | */ | |
65b29f50 | 131 | static struct pmac_stream *snd_pmac_get_stream(struct snd_pmac *chip, int stream) |
1da177e4 LT |
132 | { |
133 | switch (stream) { | |
134 | case SNDRV_PCM_STREAM_PLAYBACK: | |
135 | return &chip->playback; | |
136 | case SNDRV_PCM_STREAM_CAPTURE: | |
137 | return &chip->capture; | |
138 | default: | |
139 | snd_BUG(); | |
140 | return NULL; | |
141 | } | |
142 | } | |
143 | ||
144 | /* | |
145 | * wait while run status is on | |
146 | */ | |
77933d72 | 147 | static inline void |
65b29f50 | 148 | snd_pmac_wait_ack(struct pmac_stream *rec) |
1da177e4 LT |
149 | { |
150 | int timeout = 50000; | |
151 | while ((in_le32(&rec->dma->status) & RUN) && timeout-- > 0) | |
152 | udelay(1); | |
153 | } | |
154 | ||
155 | /* | |
156 | * set the format and rate to the chip. | |
157 | * call the lowlevel function if defined (e.g. for AWACS). | |
158 | */ | |
65b29f50 | 159 | static void snd_pmac_pcm_set_format(struct snd_pmac *chip) |
1da177e4 LT |
160 | { |
161 | /* set up frequency and format */ | |
162 | out_le32(&chip->awacs->control, chip->control_mask | (chip->rate_index << 8)); | |
163 | out_le32(&chip->awacs->byteswap, chip->format == SNDRV_PCM_FORMAT_S16_LE ? 1 : 0); | |
164 | if (chip->set_format) | |
165 | chip->set_format(chip); | |
166 | } | |
167 | ||
168 | /* | |
169 | * stop the DMA transfer | |
170 | */ | |
65b29f50 | 171 | static inline void snd_pmac_dma_stop(struct pmac_stream *rec) |
1da177e4 LT |
172 | { |
173 | out_le32(&rec->dma->control, (RUN|WAKE|FLUSH|PAUSE) << 16); | |
174 | snd_pmac_wait_ack(rec); | |
175 | } | |
176 | ||
177 | /* | |
178 | * set the command pointer address | |
179 | */ | |
65b29f50 | 180 | static inline void snd_pmac_dma_set_command(struct pmac_stream *rec, struct pmac_dbdma *cmd) |
1da177e4 LT |
181 | { |
182 | out_le32(&rec->dma->cmdptr, cmd->addr); | |
183 | } | |
184 | ||
185 | /* | |
186 | * start the DMA | |
187 | */ | |
65b29f50 | 188 | static inline void snd_pmac_dma_run(struct pmac_stream *rec, int status) |
1da177e4 LT |
189 | { |
190 | out_le32(&rec->dma->control, status | (status << 16)); | |
191 | } | |
192 | ||
193 | ||
194 | /* | |
195 | * prepare playback/capture stream | |
196 | */ | |
65b29f50 | 197 | static int snd_pmac_pcm_prepare(struct snd_pmac *chip, struct pmac_stream *rec, struct snd_pcm_substream *subs) |
1da177e4 LT |
198 | { |
199 | int i; | |
200 | volatile struct dbdma_cmd __iomem *cp; | |
65b29f50 | 201 | struct snd_pcm_runtime *runtime = subs->runtime; |
1da177e4 LT |
202 | int rate_index; |
203 | long offset; | |
65b29f50 | 204 | struct pmac_stream *astr; |
1da177e4 LT |
205 | |
206 | rec->dma_size = snd_pcm_lib_buffer_bytes(subs); | |
207 | rec->period_size = snd_pcm_lib_period_bytes(subs); | |
208 | rec->nperiods = rec->dma_size / rec->period_size; | |
209 | rec->cur_period = 0; | |
210 | rate_index = snd_pmac_rate_index(chip, rec, runtime->rate); | |
211 | ||
212 | /* set up constraints */ | |
213 | astr = snd_pmac_get_stream(chip, another_stream(rec->stream)); | |
7c22f1aa TI |
214 | if (! astr) |
215 | return -EINVAL; | |
1da177e4 LT |
216 | astr->cur_freqs = 1 << rate_index; |
217 | astr->cur_formats = 1 << runtime->format; | |
218 | chip->rate_index = rate_index; | |
219 | chip->format = runtime->format; | |
220 | ||
221 | /* We really want to execute a DMA stop command, after the AWACS | |
222 | * is initialized. | |
223 | * For reasons I don't understand, it stops the hissing noise | |
224 | * common to many PowerBook G3 systems and random noise otherwise | |
225 | * captured on iBook2's about every third time. -ReneR | |
226 | */ | |
227 | spin_lock_irq(&chip->reg_lock); | |
228 | snd_pmac_dma_stop(rec); | |
229 | st_le16(&chip->extra_dma.cmds->command, DBDMA_STOP); | |
230 | snd_pmac_dma_set_command(rec, &chip->extra_dma); | |
231 | snd_pmac_dma_run(rec, RUN); | |
232 | spin_unlock_irq(&chip->reg_lock); | |
233 | mdelay(5); | |
234 | spin_lock_irq(&chip->reg_lock); | |
235 | /* continuous DMA memory type doesn't provide the physical address, | |
236 | * so we need to resolve the address here... | |
237 | */ | |
7bbd8277 | 238 | offset = runtime->dma_addr; |
1da177e4 LT |
239 | for (i = 0, cp = rec->cmd.cmds; i < rec->nperiods; i++, cp++) { |
240 | st_le32(&cp->phy_addr, offset); | |
241 | st_le16(&cp->req_count, rec->period_size); | |
242 | /*st_le16(&cp->res_count, 0);*/ | |
243 | st_le16(&cp->xfer_status, 0); | |
244 | offset += rec->period_size; | |
245 | } | |
246 | /* make loop */ | |
247 | st_le16(&cp->command, DBDMA_NOP + BR_ALWAYS); | |
248 | st_le32(&cp->cmd_dep, rec->cmd.addr); | |
249 | ||
250 | snd_pmac_dma_stop(rec); | |
251 | snd_pmac_dma_set_command(rec, &rec->cmd); | |
252 | spin_unlock_irq(&chip->reg_lock); | |
253 | ||
254 | return 0; | |
255 | } | |
256 | ||
257 | ||
258 | /* | |
259 | * PCM trigger/stop | |
260 | */ | |
65b29f50 TI |
261 | static int snd_pmac_pcm_trigger(struct snd_pmac *chip, struct pmac_stream *rec, |
262 | struct snd_pcm_substream *subs, int cmd) | |
1da177e4 LT |
263 | { |
264 | volatile struct dbdma_cmd __iomem *cp; | |
265 | int i, command; | |
266 | ||
267 | switch (cmd) { | |
268 | case SNDRV_PCM_TRIGGER_START: | |
269 | case SNDRV_PCM_TRIGGER_RESUME: | |
270 | if (rec->running) | |
271 | return -EBUSY; | |
272 | command = (subs->stream == SNDRV_PCM_STREAM_PLAYBACK ? | |
273 | OUTPUT_MORE : INPUT_MORE) + INTR_ALWAYS; | |
274 | spin_lock(&chip->reg_lock); | |
275 | snd_pmac_beep_stop(chip); | |
276 | snd_pmac_pcm_set_format(chip); | |
277 | for (i = 0, cp = rec->cmd.cmds; i < rec->nperiods; i++, cp++) | |
278 | out_le16(&cp->command, command); | |
279 | snd_pmac_dma_set_command(rec, &rec->cmd); | |
280 | (void)in_le32(&rec->dma->status); | |
281 | snd_pmac_dma_run(rec, RUN|WAKE); | |
282 | rec->running = 1; | |
283 | spin_unlock(&chip->reg_lock); | |
284 | break; | |
285 | ||
286 | case SNDRV_PCM_TRIGGER_STOP: | |
287 | case SNDRV_PCM_TRIGGER_SUSPEND: | |
288 | spin_lock(&chip->reg_lock); | |
289 | rec->running = 0; | |
290 | /*printk("stopped!!\n");*/ | |
291 | snd_pmac_dma_stop(rec); | |
292 | for (i = 0, cp = rec->cmd.cmds; i < rec->nperiods; i++, cp++) | |
293 | out_le16(&cp->command, DBDMA_STOP); | |
294 | spin_unlock(&chip->reg_lock); | |
295 | break; | |
296 | ||
297 | default: | |
298 | return -EINVAL; | |
299 | } | |
300 | ||
301 | return 0; | |
302 | } | |
303 | ||
304 | /* | |
305 | * return the current pointer | |
306 | */ | |
307 | inline | |
65b29f50 TI |
308 | static snd_pcm_uframes_t snd_pmac_pcm_pointer(struct snd_pmac *chip, |
309 | struct pmac_stream *rec, | |
310 | struct snd_pcm_substream *subs) | |
1da177e4 LT |
311 | { |
312 | int count = 0; | |
313 | ||
314 | #if 1 /* hmm.. how can we get the current dma pointer?? */ | |
315 | int stat; | |
316 | volatile struct dbdma_cmd __iomem *cp = &rec->cmd.cmds[rec->cur_period]; | |
317 | stat = ld_le16(&cp->xfer_status); | |
318 | if (stat & (ACTIVE|DEAD)) { | |
319 | count = in_le16(&cp->res_count); | |
320 | if (count) | |
321 | count = rec->period_size - count; | |
322 | } | |
323 | #endif | |
324 | count += rec->cur_period * rec->period_size; | |
325 | /*printk("pointer=%d\n", count);*/ | |
326 | return bytes_to_frames(subs->runtime, count); | |
327 | } | |
328 | ||
329 | /* | |
330 | * playback | |
331 | */ | |
332 | ||
65b29f50 | 333 | static int snd_pmac_playback_prepare(struct snd_pcm_substream *subs) |
1da177e4 | 334 | { |
65b29f50 | 335 | struct snd_pmac *chip = snd_pcm_substream_chip(subs); |
1da177e4 LT |
336 | return snd_pmac_pcm_prepare(chip, &chip->playback, subs); |
337 | } | |
338 | ||
65b29f50 | 339 | static int snd_pmac_playback_trigger(struct snd_pcm_substream *subs, |
1da177e4 LT |
340 | int cmd) |
341 | { | |
65b29f50 | 342 | struct snd_pmac *chip = snd_pcm_substream_chip(subs); |
1da177e4 LT |
343 | return snd_pmac_pcm_trigger(chip, &chip->playback, subs, cmd); |
344 | } | |
345 | ||
65b29f50 | 346 | static snd_pcm_uframes_t snd_pmac_playback_pointer(struct snd_pcm_substream *subs) |
1da177e4 | 347 | { |
65b29f50 | 348 | struct snd_pmac *chip = snd_pcm_substream_chip(subs); |
1da177e4 LT |
349 | return snd_pmac_pcm_pointer(chip, &chip->playback, subs); |
350 | } | |
351 | ||
352 | ||
353 | /* | |
354 | * capture | |
355 | */ | |
356 | ||
65b29f50 | 357 | static int snd_pmac_capture_prepare(struct snd_pcm_substream *subs) |
1da177e4 | 358 | { |
65b29f50 | 359 | struct snd_pmac *chip = snd_pcm_substream_chip(subs); |
1da177e4 LT |
360 | return snd_pmac_pcm_prepare(chip, &chip->capture, subs); |
361 | } | |
362 | ||
65b29f50 | 363 | static int snd_pmac_capture_trigger(struct snd_pcm_substream *subs, |
1da177e4 LT |
364 | int cmd) |
365 | { | |
65b29f50 | 366 | struct snd_pmac *chip = snd_pcm_substream_chip(subs); |
1da177e4 LT |
367 | return snd_pmac_pcm_trigger(chip, &chip->capture, subs, cmd); |
368 | } | |
369 | ||
65b29f50 | 370 | static snd_pcm_uframes_t snd_pmac_capture_pointer(struct snd_pcm_substream *subs) |
1da177e4 | 371 | { |
65b29f50 | 372 | struct snd_pmac *chip = snd_pcm_substream_chip(subs); |
1da177e4 LT |
373 | return snd_pmac_pcm_pointer(chip, &chip->capture, subs); |
374 | } | |
375 | ||
376 | ||
377 | /* | |
378 | * update playback/capture pointer from interrupts | |
379 | */ | |
65b29f50 | 380 | static void snd_pmac_pcm_update(struct snd_pmac *chip, struct pmac_stream *rec) |
1da177e4 LT |
381 | { |
382 | volatile struct dbdma_cmd __iomem *cp; | |
383 | int c; | |
384 | int stat; | |
385 | ||
386 | spin_lock(&chip->reg_lock); | |
387 | if (rec->running) { | |
388 | cp = &rec->cmd.cmds[rec->cur_period]; | |
389 | for (c = 0; c < rec->nperiods; c++) { /* at most all fragments */ | |
390 | stat = ld_le16(&cp->xfer_status); | |
391 | if (! (stat & ACTIVE)) | |
392 | break; | |
393 | /*printk("update frag %d\n", rec->cur_period);*/ | |
394 | st_le16(&cp->xfer_status, 0); | |
395 | st_le16(&cp->req_count, rec->period_size); | |
396 | /*st_le16(&cp->res_count, 0);*/ | |
397 | rec->cur_period++; | |
398 | if (rec->cur_period >= rec->nperiods) { | |
399 | rec->cur_period = 0; | |
400 | cp = rec->cmd.cmds; | |
401 | } else | |
402 | cp++; | |
403 | spin_unlock(&chip->reg_lock); | |
404 | snd_pcm_period_elapsed(rec->substream); | |
405 | spin_lock(&chip->reg_lock); | |
406 | } | |
407 | } | |
408 | spin_unlock(&chip->reg_lock); | |
409 | } | |
410 | ||
411 | ||
412 | /* | |
413 | * hw info | |
414 | */ | |
415 | ||
65b29f50 | 416 | static struct snd_pcm_hardware snd_pmac_playback = |
1da177e4 LT |
417 | { |
418 | .info = (SNDRV_PCM_INFO_INTERLEAVED | | |
419 | SNDRV_PCM_INFO_MMAP | | |
420 | SNDRV_PCM_INFO_MMAP_VALID | | |
421 | SNDRV_PCM_INFO_RESUME), | |
422 | .formats = SNDRV_PCM_FMTBIT_S16_BE | SNDRV_PCM_FMTBIT_S16_LE, | |
423 | .rates = SNDRV_PCM_RATE_8000_44100, | |
424 | .rate_min = 7350, | |
425 | .rate_max = 44100, | |
426 | .channels_min = 2, | |
427 | .channels_max = 2, | |
428 | .buffer_bytes_max = 131072, | |
429 | .period_bytes_min = 256, | |
430 | .period_bytes_max = 16384, | |
431 | .periods_min = 3, | |
432 | .periods_max = PMAC_MAX_FRAGS, | |
433 | }; | |
434 | ||
65b29f50 | 435 | static struct snd_pcm_hardware snd_pmac_capture = |
1da177e4 LT |
436 | { |
437 | .info = (SNDRV_PCM_INFO_INTERLEAVED | | |
438 | SNDRV_PCM_INFO_MMAP | | |
439 | SNDRV_PCM_INFO_MMAP_VALID | | |
440 | SNDRV_PCM_INFO_RESUME), | |
441 | .formats = SNDRV_PCM_FMTBIT_S16_BE | SNDRV_PCM_FMTBIT_S16_LE, | |
442 | .rates = SNDRV_PCM_RATE_8000_44100, | |
443 | .rate_min = 7350, | |
444 | .rate_max = 44100, | |
445 | .channels_min = 2, | |
446 | .channels_max = 2, | |
447 | .buffer_bytes_max = 131072, | |
448 | .period_bytes_min = 256, | |
449 | .period_bytes_max = 16384, | |
450 | .periods_min = 3, | |
451 | .periods_max = PMAC_MAX_FRAGS, | |
452 | }; | |
453 | ||
454 | ||
455 | #if 0 // NYI | |
65b29f50 TI |
456 | static int snd_pmac_hw_rule_rate(struct snd_pcm_hw_params *params, |
457 | struct snd_pcm_hw_rule *rule) | |
1da177e4 | 458 | { |
65b29f50 TI |
459 | struct snd_pmac *chip = rule->private; |
460 | struct pmac_stream *rec = snd_pmac_get_stream(chip, rule->deps[0]); | |
1da177e4 LT |
461 | int i, freq_table[8], num_freqs; |
462 | ||
7c22f1aa TI |
463 | if (! rec) |
464 | return -EINVAL; | |
1da177e4 LT |
465 | num_freqs = 0; |
466 | for (i = chip->num_freqs - 1; i >= 0; i--) { | |
467 | if (rec->cur_freqs & (1 << i)) | |
468 | freq_table[num_freqs++] = chip->freq_table[i]; | |
469 | } | |
470 | ||
471 | return snd_interval_list(hw_param_interval(params, rule->var), | |
472 | num_freqs, freq_table, 0); | |
473 | } | |
474 | ||
65b29f50 TI |
475 | static int snd_pmac_hw_rule_format(struct snd_pcm_hw_params *params, |
476 | struct snd_pcm_hw_rule *rule) | |
1da177e4 | 477 | { |
65b29f50 TI |
478 | struct snd_pmac *chip = rule->private; |
479 | struct pmac_stream *rec = snd_pmac_get_stream(chip, rule->deps[0]); | |
1da177e4 | 480 | |
7c22f1aa TI |
481 | if (! rec) |
482 | return -EINVAL; | |
1da177e4 LT |
483 | return snd_mask_refine_set(hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT), |
484 | rec->cur_formats); | |
485 | } | |
486 | #endif // NYI | |
487 | ||
65b29f50 TI |
488 | static int snd_pmac_pcm_open(struct snd_pmac *chip, struct pmac_stream *rec, |
489 | struct snd_pcm_substream *subs) | |
1da177e4 | 490 | { |
65b29f50 | 491 | struct snd_pcm_runtime *runtime = subs->runtime; |
918f3a0e | 492 | int i; |
1da177e4 LT |
493 | |
494 | /* look up frequency table and fill bit mask */ | |
495 | runtime->hw.rates = 0; | |
918f3a0e CL |
496 | for (i = 0; i < chip->num_freqs; i++) |
497 | if (chip->freqs_ok & (1 << i)) | |
498 | runtime->hw.rates |= | |
499 | snd_pcm_rate_to_rate_bit(chip->freq_table[i]); | |
1da177e4 LT |
500 | |
501 | /* check for minimum and maximum rates */ | |
502 | for (i = 0; i < chip->num_freqs; i++) { | |
503 | if (chip->freqs_ok & (1 << i)) { | |
504 | runtime->hw.rate_max = chip->freq_table[i]; | |
505 | break; | |
506 | } | |
507 | } | |
508 | for (i = chip->num_freqs - 1; i >= 0; i--) { | |
509 | if (chip->freqs_ok & (1 << i)) { | |
510 | runtime->hw.rate_min = chip->freq_table[i]; | |
511 | break; | |
512 | } | |
513 | } | |
514 | runtime->hw.formats = chip->formats_ok; | |
515 | if (chip->can_capture) { | |
516 | if (! chip->can_duplex) | |
517 | runtime->hw.info |= SNDRV_PCM_INFO_HALF_DUPLEX; | |
518 | runtime->hw.info |= SNDRV_PCM_INFO_JOINT_DUPLEX; | |
519 | } | |
520 | runtime->private_data = rec; | |
521 | rec->substream = subs; | |
522 | ||
523 | #if 0 /* FIXME: still under development.. */ | |
524 | snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, | |
525 | snd_pmac_hw_rule_rate, chip, rec->stream, -1); | |
526 | snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_FORMAT, | |
527 | snd_pmac_hw_rule_format, chip, rec->stream, -1); | |
528 | #endif | |
529 | ||
530 | runtime->hw.periods_max = rec->cmd.size - 1; | |
531 | ||
1da177e4 LT |
532 | /* constraints to fix choppy sound */ |
533 | snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); | |
534 | return 0; | |
535 | } | |
536 | ||
65b29f50 TI |
537 | static int snd_pmac_pcm_close(struct snd_pmac *chip, struct pmac_stream *rec, |
538 | struct snd_pcm_substream *subs) | |
1da177e4 | 539 | { |
65b29f50 | 540 | struct pmac_stream *astr; |
1da177e4 LT |
541 | |
542 | snd_pmac_dma_stop(rec); | |
543 | ||
544 | astr = snd_pmac_get_stream(chip, another_stream(rec->stream)); | |
7c22f1aa TI |
545 | if (! astr) |
546 | return -EINVAL; | |
1da177e4 LT |
547 | |
548 | /* reset constraints */ | |
549 | astr->cur_freqs = chip->freqs_ok; | |
550 | astr->cur_formats = chip->formats_ok; | |
551 | ||
552 | return 0; | |
553 | } | |
554 | ||
65b29f50 | 555 | static int snd_pmac_playback_open(struct snd_pcm_substream *subs) |
1da177e4 | 556 | { |
65b29f50 | 557 | struct snd_pmac *chip = snd_pcm_substream_chip(subs); |
1da177e4 LT |
558 | |
559 | subs->runtime->hw = snd_pmac_playback; | |
560 | return snd_pmac_pcm_open(chip, &chip->playback, subs); | |
561 | } | |
562 | ||
65b29f50 | 563 | static int snd_pmac_capture_open(struct snd_pcm_substream *subs) |
1da177e4 | 564 | { |
65b29f50 | 565 | struct snd_pmac *chip = snd_pcm_substream_chip(subs); |
1da177e4 LT |
566 | |
567 | subs->runtime->hw = snd_pmac_capture; | |
568 | return snd_pmac_pcm_open(chip, &chip->capture, subs); | |
569 | } | |
570 | ||
65b29f50 | 571 | static int snd_pmac_playback_close(struct snd_pcm_substream *subs) |
1da177e4 | 572 | { |
65b29f50 | 573 | struct snd_pmac *chip = snd_pcm_substream_chip(subs); |
1da177e4 LT |
574 | |
575 | return snd_pmac_pcm_close(chip, &chip->playback, subs); | |
576 | } | |
577 | ||
65b29f50 | 578 | static int snd_pmac_capture_close(struct snd_pcm_substream *subs) |
1da177e4 | 579 | { |
65b29f50 | 580 | struct snd_pmac *chip = snd_pcm_substream_chip(subs); |
1da177e4 LT |
581 | |
582 | return snd_pmac_pcm_close(chip, &chip->capture, subs); | |
583 | } | |
584 | ||
585 | /* | |
586 | */ | |
587 | ||
65b29f50 | 588 | static struct snd_pcm_ops snd_pmac_playback_ops = { |
1da177e4 LT |
589 | .open = snd_pmac_playback_open, |
590 | .close = snd_pmac_playback_close, | |
591 | .ioctl = snd_pcm_lib_ioctl, | |
592 | .hw_params = snd_pmac_pcm_hw_params, | |
593 | .hw_free = snd_pmac_pcm_hw_free, | |
594 | .prepare = snd_pmac_playback_prepare, | |
595 | .trigger = snd_pmac_playback_trigger, | |
596 | .pointer = snd_pmac_playback_pointer, | |
597 | }; | |
598 | ||
65b29f50 | 599 | static struct snd_pcm_ops snd_pmac_capture_ops = { |
1da177e4 LT |
600 | .open = snd_pmac_capture_open, |
601 | .close = snd_pmac_capture_close, | |
602 | .ioctl = snd_pcm_lib_ioctl, | |
603 | .hw_params = snd_pmac_pcm_hw_params, | |
604 | .hw_free = snd_pmac_pcm_hw_free, | |
605 | .prepare = snd_pmac_capture_prepare, | |
606 | .trigger = snd_pmac_capture_trigger, | |
607 | .pointer = snd_pmac_capture_pointer, | |
608 | }; | |
609 | ||
65b29f50 | 610 | int __init snd_pmac_pcm_new(struct snd_pmac *chip) |
1da177e4 | 611 | { |
65b29f50 | 612 | struct snd_pcm *pcm; |
1da177e4 LT |
613 | int err; |
614 | int num_captures = 1; | |
615 | ||
616 | if (! chip->can_capture) | |
617 | num_captures = 0; | |
618 | err = snd_pcm_new(chip->card, chip->card->driver, 0, 1, num_captures, &pcm); | |
619 | if (err < 0) | |
620 | return err; | |
621 | ||
622 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_pmac_playback_ops); | |
623 | if (chip->can_capture) | |
624 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_pmac_capture_ops); | |
625 | ||
626 | pcm->private_data = chip; | |
1da177e4 LT |
627 | pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX; |
628 | strcpy(pcm->name, chip->card->shortname); | |
629 | chip->pcm = pcm; | |
630 | ||
631 | chip->formats_ok = SNDRV_PCM_FMTBIT_S16_BE; | |
632 | if (chip->can_byte_swap) | |
633 | chip->formats_ok |= SNDRV_PCM_FMTBIT_S16_LE; | |
634 | ||
635 | chip->playback.cur_formats = chip->formats_ok; | |
636 | chip->capture.cur_formats = chip->formats_ok; | |
637 | chip->playback.cur_freqs = chip->freqs_ok; | |
638 | chip->capture.cur_freqs = chip->freqs_ok; | |
639 | ||
640 | /* preallocate 64k buffer */ | |
7bbd8277 BH |
641 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, |
642 | &chip->pdev->dev, | |
1da177e4 LT |
643 | 64 * 1024, 64 * 1024); |
644 | ||
645 | return 0; | |
646 | } | |
647 | ||
648 | ||
65b29f50 | 649 | static void snd_pmac_dbdma_reset(struct snd_pmac *chip) |
1da177e4 LT |
650 | { |
651 | out_le32(&chip->playback.dma->control, (RUN|PAUSE|FLUSH|WAKE|DEAD) << 16); | |
652 | snd_pmac_wait_ack(&chip->playback); | |
653 | out_le32(&chip->capture.dma->control, (RUN|PAUSE|FLUSH|WAKE|DEAD) << 16); | |
654 | snd_pmac_wait_ack(&chip->capture); | |
655 | } | |
656 | ||
657 | ||
658 | /* | |
659 | * handling beep | |
660 | */ | |
65b29f50 | 661 | void snd_pmac_beep_dma_start(struct snd_pmac *chip, int bytes, unsigned long addr, int speed) |
1da177e4 | 662 | { |
65b29f50 | 663 | struct pmac_stream *rec = &chip->playback; |
1da177e4 LT |
664 | |
665 | snd_pmac_dma_stop(rec); | |
666 | st_le16(&chip->extra_dma.cmds->req_count, bytes); | |
667 | st_le16(&chip->extra_dma.cmds->xfer_status, 0); | |
668 | st_le32(&chip->extra_dma.cmds->cmd_dep, chip->extra_dma.addr); | |
669 | st_le32(&chip->extra_dma.cmds->phy_addr, addr); | |
670 | st_le16(&chip->extra_dma.cmds->command, OUTPUT_MORE + BR_ALWAYS); | |
671 | out_le32(&chip->awacs->control, | |
672 | (in_le32(&chip->awacs->control) & ~0x1f00) | |
673 | | (speed << 8)); | |
674 | out_le32(&chip->awacs->byteswap, 0); | |
675 | snd_pmac_dma_set_command(rec, &chip->extra_dma); | |
676 | snd_pmac_dma_run(rec, RUN); | |
677 | } | |
678 | ||
65b29f50 | 679 | void snd_pmac_beep_dma_stop(struct snd_pmac *chip) |
1da177e4 LT |
680 | { |
681 | snd_pmac_dma_stop(&chip->playback); | |
682 | st_le16(&chip->extra_dma.cmds->command, DBDMA_STOP); | |
683 | snd_pmac_pcm_set_format(chip); /* reset format */ | |
684 | } | |
685 | ||
686 | ||
687 | /* | |
688 | * interrupt handlers | |
689 | */ | |
690 | static irqreturn_t | |
7d12e780 | 691 | snd_pmac_tx_intr(int irq, void *devid) |
1da177e4 | 692 | { |
65b29f50 | 693 | struct snd_pmac *chip = devid; |
1da177e4 LT |
694 | snd_pmac_pcm_update(chip, &chip->playback); |
695 | return IRQ_HANDLED; | |
696 | } | |
697 | ||
698 | ||
699 | static irqreturn_t | |
7d12e780 | 700 | snd_pmac_rx_intr(int irq, void *devid) |
1da177e4 | 701 | { |
65b29f50 | 702 | struct snd_pmac *chip = devid; |
1da177e4 LT |
703 | snd_pmac_pcm_update(chip, &chip->capture); |
704 | return IRQ_HANDLED; | |
705 | } | |
706 | ||
707 | ||
708 | static irqreturn_t | |
7d12e780 | 709 | snd_pmac_ctrl_intr(int irq, void *devid) |
1da177e4 | 710 | { |
65b29f50 | 711 | struct snd_pmac *chip = devid; |
1da177e4 LT |
712 | int ctrl = in_le32(&chip->awacs->control); |
713 | ||
714 | /*printk("pmac: control interrupt.. 0x%x\n", ctrl);*/ | |
715 | if (ctrl & MASK_PORTCHG) { | |
716 | /* do something when headphone is plugged/unplugged? */ | |
717 | if (chip->update_automute) | |
718 | chip->update_automute(chip, 1); | |
719 | } | |
720 | if (ctrl & MASK_CNTLERR) { | |
721 | int err = (in_le32(&chip->awacs->codec_stat) & MASK_ERRCODE) >> 16; | |
722 | if (err && chip->model <= PMAC_SCREAMER) | |
723 | snd_printk(KERN_DEBUG "error %x\n", err); | |
724 | } | |
725 | /* Writing 1s to the CNTLERR and PORTCHG bits clears them... */ | |
726 | out_le32(&chip->awacs->control, ctrl); | |
727 | return IRQ_HANDLED; | |
728 | } | |
729 | ||
730 | ||
731 | /* | |
732 | * a wrapper to feature call for compatibility | |
733 | */ | |
65b29f50 | 734 | static void snd_pmac_sound_feature(struct snd_pmac *chip, int enable) |
1da177e4 | 735 | { |
4e6a06ee DW |
736 | if (ppc_md.feature_call) |
737 | ppc_md.feature_call(PMAC_FTR_SOUND_CHIP_ENABLE, chip->node, 0, enable); | |
1da177e4 | 738 | } |
1da177e4 LT |
739 | |
740 | /* | |
741 | * release resources | |
742 | */ | |
743 | ||
65b29f50 | 744 | static int snd_pmac_free(struct snd_pmac *chip) |
1da177e4 | 745 | { |
1da177e4 LT |
746 | /* stop sounds */ |
747 | if (chip->initialized) { | |
748 | snd_pmac_dbdma_reset(chip); | |
749 | /* disable interrupts from awacs interface */ | |
750 | out_le32(&chip->awacs->control, in_le32(&chip->awacs->control) & 0xfff); | |
751 | } | |
752 | ||
41e904de BH |
753 | if (chip->node) |
754 | snd_pmac_sound_feature(chip, 0); | |
1da177e4 LT |
755 | |
756 | /* clean up mixer if any */ | |
757 | if (chip->mixer_free) | |
758 | chip->mixer_free(chip); | |
759 | ||
760 | snd_pmac_detach_beep(chip); | |
761 | ||
762 | /* release resources */ | |
763 | if (chip->irq >= 0) | |
764 | free_irq(chip->irq, (void*)chip); | |
765 | if (chip->tx_irq >= 0) | |
766 | free_irq(chip->tx_irq, (void*)chip); | |
767 | if (chip->rx_irq >= 0) | |
768 | free_irq(chip->rx_irq, (void*)chip); | |
7bbd8277 BH |
769 | snd_pmac_dbdma_free(chip, &chip->playback.cmd); |
770 | snd_pmac_dbdma_free(chip, &chip->capture.cmd); | |
771 | snd_pmac_dbdma_free(chip, &chip->extra_dma); | |
1da177e4 LT |
772 | if (chip->macio_base) |
773 | iounmap(chip->macio_base); | |
774 | if (chip->latch_base) | |
775 | iounmap(chip->latch_base); | |
776 | if (chip->awacs) | |
777 | iounmap(chip->awacs); | |
778 | if (chip->playback.dma) | |
779 | iounmap(chip->playback.dma); | |
780 | if (chip->capture.dma) | |
781 | iounmap(chip->capture.dma); | |
cc5d0189 | 782 | |
1da177e4 | 783 | if (chip->node) { |
7bbd8277 | 784 | int i; |
1da177e4 | 785 | for (i = 0; i < 3; i++) { |
cc5d0189 BH |
786 | if (chip->requested & (1 << i)) |
787 | release_mem_region(chip->rsrc[i].start, | |
788 | chip->rsrc[i].end - | |
789 | chip->rsrc[i].start + 1); | |
1da177e4 LT |
790 | } |
791 | } | |
cc5d0189 | 792 | |
7bbd8277 BH |
793 | if (chip->pdev) |
794 | pci_dev_put(chip->pdev); | |
30686ba6 | 795 | of_node_put(chip->node); |
1da177e4 LT |
796 | kfree(chip); |
797 | return 0; | |
798 | } | |
799 | ||
800 | ||
801 | /* | |
802 | * free the device | |
803 | */ | |
65b29f50 | 804 | static int snd_pmac_dev_free(struct snd_device *device) |
1da177e4 | 805 | { |
65b29f50 | 806 | struct snd_pmac *chip = device->device_data; |
1da177e4 LT |
807 | return snd_pmac_free(chip); |
808 | } | |
809 | ||
810 | ||
811 | /* | |
812 | * check the machine support byteswap (little-endian) | |
813 | */ | |
814 | ||
65b29f50 | 815 | static void __init detect_byte_swap(struct snd_pmac *chip) |
1da177e4 LT |
816 | { |
817 | struct device_node *mio; | |
818 | ||
819 | /* if seems that Keylargo can't byte-swap */ | |
820 | for (mio = chip->node->parent; mio; mio = mio->parent) { | |
821 | if (strcmp(mio->name, "mac-io") == 0) { | |
55b61fec | 822 | if (of_device_is_compatible(mio, "Keylargo")) |
1da177e4 LT |
823 | chip->can_byte_swap = 0; |
824 | break; | |
825 | } | |
826 | } | |
827 | ||
828 | /* it seems the Pismo & iBook can't byte-swap in hardware. */ | |
829 | if (machine_is_compatible("PowerBook3,1") || | |
830 | machine_is_compatible("PowerBook2,1")) | |
831 | chip->can_byte_swap = 0 ; | |
832 | ||
833 | if (machine_is_compatible("PowerBook2,1")) | |
834 | chip->can_duplex = 0; | |
835 | } | |
836 | ||
837 | ||
838 | /* | |
839 | * detect a sound chip | |
840 | */ | |
65b29f50 | 841 | static int __init snd_pmac_detect(struct snd_pmac *chip) |
1da177e4 | 842 | { |
30686ba6 SR |
843 | struct device_node *sound; |
844 | struct device_node *dn; | |
c4f55b39 SR |
845 | const unsigned int *prop; |
846 | unsigned int l; | |
7bbd8277 BH |
847 | struct macio_chip* macio; |
848 | ||
e8222502 | 849 | if (!machine_is(powermac)) |
1da177e4 LT |
850 | return -ENODEV; |
851 | ||
852 | chip->subframe = 0; | |
853 | chip->revision = 0; | |
854 | chip->freqs_ok = 0xff; /* all ok */ | |
855 | chip->model = PMAC_AWACS; | |
856 | chip->can_byte_swap = 1; | |
857 | chip->can_duplex = 1; | |
858 | chip->can_capture = 1; | |
859 | chip->num_freqs = ARRAY_SIZE(awacs_freqs); | |
860 | chip->freq_table = awacs_freqs; | |
367636e8 | 861 | chip->pdev = NULL; |
1da177e4 LT |
862 | |
863 | chip->control_mask = MASK_IEPC | MASK_IEE | 0x11; /* default */ | |
864 | ||
865 | /* check machine type */ | |
866 | if (machine_is_compatible("AAPL,3400/2400") | |
867 | || machine_is_compatible("AAPL,3500")) | |
868 | chip->is_pbook_3400 = 1; | |
869 | else if (machine_is_compatible("PowerBook1,1") | |
870 | || machine_is_compatible("AAPL,PowerBook1998")) | |
871 | chip->is_pbook_G3 = 1; | |
30686ba6 SR |
872 | chip->node = of_find_node_by_name(NULL, "awacs"); |
873 | sound = of_node_get(chip->node); | |
1da177e4 LT |
874 | |
875 | /* | |
876 | * powermac G3 models have a node called "davbus" | |
877 | * with a child called "sound". | |
878 | */ | |
5218064c | 879 | if (!chip->node) |
30686ba6 | 880 | chip->node = of_find_node_by_name(NULL, "davbus"); |
1da177e4 LT |
881 | /* |
882 | * if we didn't find a davbus device, try 'i2s-a' since | |
883 | * this seems to be what iBooks have | |
884 | */ | |
7bbd8277 | 885 | if (! chip->node) { |
30686ba6 | 886 | chip->node = of_find_node_by_name(NULL, "i2s-a"); |
5218064c BH |
887 | if (chip->node && chip->node->parent && |
888 | chip->node->parent->parent) { | |
55b61fec | 889 | if (of_device_is_compatible(chip->node->parent->parent, |
7bbd8277 BH |
890 | "K2-Keylargo")) |
891 | chip->is_k2 = 1; | |
892 | } | |
893 | } | |
1da177e4 LT |
894 | if (! chip->node) |
895 | return -ENODEV; | |
7bbd8277 | 896 | |
5218064c | 897 | if (!sound) { |
30686ba6 | 898 | sound = of_find_node_by_name(NULL, "sound"); |
5218064c | 899 | while (sound && sound->parent != chip->node) |
30686ba6 | 900 | sound = of_find_node_by_name(sound, "sound"); |
5218064c | 901 | } |
30686ba6 SR |
902 | if (! sound) { |
903 | of_node_put(chip->node); | |
41e904de | 904 | chip->node = NULL; |
1da177e4 | 905 | return -ENODEV; |
30686ba6 | 906 | } |
c4f55b39 | 907 | prop = of_get_property(sound, "sub-frame", NULL); |
1da177e4 LT |
908 | if (prop && *prop < 16) |
909 | chip->subframe = *prop; | |
c4f55b39 | 910 | prop = of_get_property(sound, "layout-id", NULL); |
55c385ad JB |
911 | if (prop) { |
912 | /* partly deprecate snd-powermac, for those machines | |
913 | * that have a layout-id property for now */ | |
914 | printk(KERN_INFO "snd-powermac no longer handles any " | |
915 | "machines with a layout-id property " | |
916 | "in the device-tree, use snd-aoa.\n"); | |
41e904de | 917 | of_node_put(sound); |
30686ba6 | 918 | of_node_put(chip->node); |
41e904de | 919 | chip->node = NULL; |
55c385ad JB |
920 | return -ENODEV; |
921 | } | |
1da177e4 | 922 | /* This should be verified on older screamers */ |
55b61fec | 923 | if (of_device_is_compatible(sound, "screamer")) { |
1da177e4 LT |
924 | chip->model = PMAC_SCREAMER; |
925 | // chip->can_byte_swap = 0; /* FIXME: check this */ | |
926 | } | |
55b61fec | 927 | if (of_device_is_compatible(sound, "burgundy")) { |
1da177e4 LT |
928 | chip->model = PMAC_BURGUNDY; |
929 | chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ | |
930 | } | |
55b61fec | 931 | if (of_device_is_compatible(sound, "daca")) { |
1da177e4 LT |
932 | chip->model = PMAC_DACA; |
933 | chip->can_capture = 0; /* no capture */ | |
934 | chip->can_duplex = 0; | |
935 | // chip->can_byte_swap = 0; /* FIXME: check this */ | |
936 | chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ | |
937 | } | |
55b61fec | 938 | if (of_device_is_compatible(sound, "tumbler")) { |
1da177e4 LT |
939 | chip->model = PMAC_TUMBLER; |
940 | chip->can_capture = 0; /* no capture */ | |
941 | chip->can_duplex = 0; | |
942 | // chip->can_byte_swap = 0; /* FIXME: check this */ | |
943 | chip->num_freqs = ARRAY_SIZE(tumbler_freqs); | |
944 | chip->freq_table = tumbler_freqs; | |
945 | chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ | |
946 | } | |
55b61fec | 947 | if (of_device_is_compatible(sound, "snapper")) { |
1da177e4 LT |
948 | chip->model = PMAC_SNAPPER; |
949 | // chip->can_byte_swap = 0; /* FIXME: check this */ | |
950 | chip->num_freqs = ARRAY_SIZE(tumbler_freqs); | |
951 | chip->freq_table = tumbler_freqs; | |
952 | chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ | |
953 | } | |
c4f55b39 | 954 | prop = of_get_property(sound, "device-id", NULL); |
1da177e4 LT |
955 | if (prop) |
956 | chip->device_id = *prop; | |
30686ba6 SR |
957 | dn = of_find_node_by_name(NULL, "perch"); |
958 | chip->has_iic = (dn != NULL); | |
959 | of_node_put(dn); | |
1da177e4 | 960 | |
7bbd8277 BH |
961 | /* We need the PCI device for DMA allocations, let's use a crude method |
962 | * for now ... | |
963 | */ | |
964 | macio = macio_find(chip->node, macio_unknown); | |
965 | if (macio == NULL) | |
966 | printk(KERN_WARNING "snd-powermac: can't locate macio !\n"); | |
967 | else { | |
968 | struct pci_dev *pdev = NULL; | |
969 | ||
970 | for_each_pci_dev(pdev) { | |
971 | struct device_node *np = pci_device_to_OF_node(pdev); | |
972 | if (np && np == macio->of_node) { | |
973 | chip->pdev = pdev; | |
974 | break; | |
975 | } | |
976 | } | |
977 | } | |
978 | if (chip->pdev == NULL) | |
5218064c BH |
979 | printk(KERN_WARNING "snd-powermac: can't locate macio PCI" |
980 | " device !\n"); | |
7bbd8277 | 981 | |
1da177e4 LT |
982 | detect_byte_swap(chip); |
983 | ||
984 | /* look for a property saying what sample rates | |
985 | are available */ | |
c4f55b39 | 986 | prop = of_get_property(sound, "sample-rates", &l); |
1da177e4 | 987 | if (! prop) |
c4f55b39 | 988 | prop = of_get_property(sound, "output-frame-rates", &l); |
1da177e4 LT |
989 | if (prop) { |
990 | int i; | |
991 | chip->freqs_ok = 0; | |
992 | for (l /= sizeof(int); l > 0; --l) { | |
993 | unsigned int r = *prop++; | |
994 | /* Apple 'Fixed' format */ | |
995 | if (r >= 0x10000) | |
996 | r >>= 16; | |
997 | for (i = 0; i < chip->num_freqs; ++i) { | |
998 | if (r == chip->freq_table[i]) { | |
999 | chip->freqs_ok |= (1 << i); | |
1000 | break; | |
1001 | } | |
1002 | } | |
1003 | } | |
1004 | } else { | |
1005 | /* assume only 44.1khz */ | |
1006 | chip->freqs_ok = 1; | |
1007 | } | |
1008 | ||
30686ba6 | 1009 | of_node_put(sound); |
1da177e4 LT |
1010 | return 0; |
1011 | } | |
1012 | ||
1da177e4 LT |
1013 | #ifdef PMAC_SUPPORT_AUTOMUTE |
1014 | /* | |
1015 | * auto-mute | |
1016 | */ | |
65b29f50 TI |
1017 | static int pmac_auto_mute_get(struct snd_kcontrol *kcontrol, |
1018 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 1019 | { |
65b29f50 | 1020 | struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
1021 | ucontrol->value.integer.value[0] = chip->auto_mute; |
1022 | return 0; | |
1023 | } | |
1024 | ||
65b29f50 TI |
1025 | static int pmac_auto_mute_put(struct snd_kcontrol *kcontrol, |
1026 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 1027 | { |
65b29f50 | 1028 | struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); |
1da177e4 | 1029 | if (ucontrol->value.integer.value[0] != chip->auto_mute) { |
d4079ac4 | 1030 | chip->auto_mute = !!ucontrol->value.integer.value[0]; |
1da177e4 LT |
1031 | if (chip->update_automute) |
1032 | chip->update_automute(chip, 1); | |
1033 | return 1; | |
1034 | } | |
1035 | return 0; | |
1036 | } | |
1037 | ||
65b29f50 TI |
1038 | static int pmac_hp_detect_get(struct snd_kcontrol *kcontrol, |
1039 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 1040 | { |
65b29f50 | 1041 | struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
1042 | if (chip->detect_headphone) |
1043 | ucontrol->value.integer.value[0] = chip->detect_headphone(chip); | |
1044 | else | |
1045 | ucontrol->value.integer.value[0] = 0; | |
1046 | return 0; | |
1047 | } | |
1048 | ||
65b29f50 | 1049 | static struct snd_kcontrol_new auto_mute_controls[] __initdata = { |
1da177e4 LT |
1050 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1051 | .name = "Auto Mute Switch", | |
1052 | .info = snd_pmac_boolean_mono_info, | |
1053 | .get = pmac_auto_mute_get, | |
1054 | .put = pmac_auto_mute_put, | |
1055 | }, | |
1056 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1057 | .name = "Headphone Detection", | |
1058 | .access = SNDRV_CTL_ELEM_ACCESS_READ, | |
1059 | .info = snd_pmac_boolean_mono_info, | |
1060 | .get = pmac_hp_detect_get, | |
1061 | }, | |
1062 | }; | |
1063 | ||
65b29f50 | 1064 | int __init snd_pmac_add_automute(struct snd_pmac *chip) |
1da177e4 LT |
1065 | { |
1066 | int err; | |
1067 | chip->auto_mute = 1; | |
1068 | err = snd_ctl_add(chip->card, snd_ctl_new1(&auto_mute_controls[0], chip)); | |
7bbd8277 BH |
1069 | if (err < 0) { |
1070 | printk(KERN_ERR "snd-powermac: Failed to add automute control\n"); | |
1da177e4 | 1071 | return err; |
7bbd8277 | 1072 | } |
1da177e4 LT |
1073 | chip->hp_detect_ctl = snd_ctl_new1(&auto_mute_controls[1], chip); |
1074 | return snd_ctl_add(chip->card, chip->hp_detect_ctl); | |
1075 | } | |
1076 | #endif /* PMAC_SUPPORT_AUTOMUTE */ | |
1077 | ||
1078 | /* | |
1079 | * create and detect a pmac chip record | |
1080 | */ | |
65b29f50 | 1081 | int __init snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return) |
1da177e4 | 1082 | { |
65b29f50 | 1083 | struct snd_pmac *chip; |
1da177e4 LT |
1084 | struct device_node *np; |
1085 | int i, err; | |
0ebfff14 | 1086 | unsigned int irq; |
7bbd8277 | 1087 | unsigned long ctrl_addr, txdma_addr, rxdma_addr; |
65b29f50 | 1088 | static struct snd_device_ops ops = { |
1da177e4 LT |
1089 | .dev_free = snd_pmac_dev_free, |
1090 | }; | |
1091 | ||
1da177e4 LT |
1092 | *chip_return = NULL; |
1093 | ||
561b220a | 1094 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); |
1da177e4 LT |
1095 | if (chip == NULL) |
1096 | return -ENOMEM; | |
1097 | chip->card = card; | |
1098 | ||
1099 | spin_lock_init(&chip->reg_lock); | |
1100 | chip->irq = chip->tx_irq = chip->rx_irq = -1; | |
1101 | ||
1102 | chip->playback.stream = SNDRV_PCM_STREAM_PLAYBACK; | |
1103 | chip->capture.stream = SNDRV_PCM_STREAM_CAPTURE; | |
1104 | ||
1105 | if ((err = snd_pmac_detect(chip)) < 0) | |
1106 | goto __error; | |
1107 | ||
7bbd8277 BH |
1108 | if (snd_pmac_dbdma_alloc(chip, &chip->playback.cmd, PMAC_MAX_FRAGS + 1) < 0 || |
1109 | snd_pmac_dbdma_alloc(chip, &chip->capture.cmd, PMAC_MAX_FRAGS + 1) < 0 || | |
1110 | snd_pmac_dbdma_alloc(chip, &chip->extra_dma, 2) < 0) { | |
1da177e4 LT |
1111 | err = -ENOMEM; |
1112 | goto __error; | |
1113 | } | |
1114 | ||
1115 | np = chip->node; | |
cc5d0189 | 1116 | chip->requested = 0; |
7bbd8277 | 1117 | if (chip->is_k2) { |
cc5d0189 BH |
1118 | static char *rnames[] = { |
1119 | "Sound Control", "Sound DMA" }; | |
cc5d0189 BH |
1120 | for (i = 0; i < 2; i ++) { |
1121 | if (of_address_to_resource(np->parent, i, | |
1122 | &chip->rsrc[i])) { | |
1123 | printk(KERN_ERR "snd: can't translate rsrc " | |
1124 | " %d (%s)\n", i, rnames[i]); | |
1125 | err = -ENODEV; | |
1126 | goto __error; | |
1127 | } | |
1128 | if (request_mem_region(chip->rsrc[i].start, | |
1129 | chip->rsrc[i].end - | |
1130 | chip->rsrc[i].start + 1, | |
1131 | rnames[i]) == NULL) { | |
1132 | printk(KERN_ERR "snd: can't request rsrc " | |
d63fb6c5 | 1133 | " %d (%s: 0x%016llx:%016llx)\n", |
aa0a2ddc GKH |
1134 | i, rnames[i], |
1135 | (unsigned long long)chip->rsrc[i].start, | |
1136 | (unsigned long long)chip->rsrc[i].end); | |
7bbd8277 BH |
1137 | err = -ENODEV; |
1138 | goto __error; | |
1139 | } | |
cc5d0189 | 1140 | chip->requested |= (1 << i); |
7bbd8277 | 1141 | } |
cc5d0189 BH |
1142 | ctrl_addr = chip->rsrc[0].start; |
1143 | txdma_addr = chip->rsrc[1].start; | |
1144 | rxdma_addr = txdma_addr + 0x100; | |
7bbd8277 | 1145 | } else { |
cc5d0189 BH |
1146 | static char *rnames[] = { |
1147 | "Sound Control", "Sound Tx DMA", "Sound Rx DMA" }; | |
cc5d0189 | 1148 | for (i = 0; i < 3; i ++) { |
88356e90 | 1149 | if (of_address_to_resource(np, i, |
cc5d0189 BH |
1150 | &chip->rsrc[i])) { |
1151 | printk(KERN_ERR "snd: can't translate rsrc " | |
1152 | " %d (%s)\n", i, rnames[i]); | |
1153 | err = -ENODEV; | |
1154 | goto __error; | |
1155 | } | |
1156 | if (request_mem_region(chip->rsrc[i].start, | |
1157 | chip->rsrc[i].end - | |
1158 | chip->rsrc[i].start + 1, | |
1159 | rnames[i]) == NULL) { | |
1160 | printk(KERN_ERR "snd: can't request rsrc " | |
aa0a2ddc GKH |
1161 | " %d (%s: 0x%016llx:%016llx)\n", |
1162 | i, rnames[i], | |
1163 | (unsigned long long)chip->rsrc[i].start, | |
1164 | (unsigned long long)chip->rsrc[i].end); | |
7bbd8277 BH |
1165 | err = -ENODEV; |
1166 | goto __error; | |
1167 | } | |
cc5d0189 | 1168 | chip->requested |= (1 << i); |
7bbd8277 | 1169 | } |
cc5d0189 BH |
1170 | ctrl_addr = chip->rsrc[0].start; |
1171 | txdma_addr = chip->rsrc[1].start; | |
1172 | rxdma_addr = chip->rsrc[2].start; | |
1da177e4 LT |
1173 | } |
1174 | ||
7bbd8277 BH |
1175 | chip->awacs = ioremap(ctrl_addr, 0x1000); |
1176 | chip->playback.dma = ioremap(txdma_addr, 0x100); | |
1177 | chip->capture.dma = ioremap(rxdma_addr, 0x100); | |
1da177e4 | 1178 | if (chip->model <= PMAC_BURGUNDY) { |
0ebfff14 BH |
1179 | irq = irq_of_parse_and_map(np, 0); |
1180 | if (request_irq(irq, snd_pmac_ctrl_intr, 0, | |
1da177e4 | 1181 | "PMac", (void*)chip)) { |
0ebfff14 BH |
1182 | snd_printk(KERN_ERR "pmac: unable to grab IRQ %d\n", |
1183 | irq); | |
1da177e4 LT |
1184 | err = -EBUSY; |
1185 | goto __error; | |
1186 | } | |
0ebfff14 | 1187 | chip->irq = irq; |
1da177e4 | 1188 | } |
0ebfff14 BH |
1189 | irq = irq_of_parse_and_map(np, 1); |
1190 | if (request_irq(irq, snd_pmac_tx_intr, 0, "PMac Output", (void*)chip)){ | |
1191 | snd_printk(KERN_ERR "pmac: unable to grab IRQ %d\n", irq); | |
1da177e4 LT |
1192 | err = -EBUSY; |
1193 | goto __error; | |
1194 | } | |
0ebfff14 BH |
1195 | chip->tx_irq = irq; |
1196 | irq = irq_of_parse_and_map(np, 2); | |
1197 | if (request_irq(irq, snd_pmac_rx_intr, 0, "PMac Input", (void*)chip)) { | |
1198 | snd_printk(KERN_ERR "pmac: unable to grab IRQ %d\n", irq); | |
1da177e4 LT |
1199 | err = -EBUSY; |
1200 | goto __error; | |
1201 | } | |
0ebfff14 | 1202 | chip->rx_irq = irq; |
1da177e4 LT |
1203 | |
1204 | snd_pmac_sound_feature(chip, 1); | |
1205 | ||
1206 | /* reset */ | |
7bbd8277 BH |
1207 | if (chip->model == PMAC_AWACS) |
1208 | out_le32(&chip->awacs->control, 0x11); | |
1da177e4 LT |
1209 | |
1210 | /* Powerbooks have odd ways of enabling inputs such as | |
1211 | an expansion-bay CD or sound from an internal modem | |
1212 | or a PC-card modem. */ | |
1213 | if (chip->is_pbook_3400) { | |
1214 | /* Enable CD and PC-card sound inputs. */ | |
1215 | /* This is done by reading from address | |
1216 | * f301a000, + 0x10 to enable the expansion-bay | |
1217 | * CD sound input, + 0x80 to enable the PC-card | |
1218 | * sound input. The 0x100 enables the SCSI bus | |
1219 | * terminator power. | |
1220 | */ | |
1221 | chip->latch_base = ioremap (0xf301a000, 0x1000); | |
1222 | in_8(chip->latch_base + 0x190); | |
1223 | } else if (chip->is_pbook_G3) { | |
1224 | struct device_node* mio; | |
1225 | for (mio = chip->node->parent; mio; mio = mio->parent) { | |
cc5d0189 BH |
1226 | if (strcmp(mio->name, "mac-io") == 0) { |
1227 | struct resource r; | |
1228 | if (of_address_to_resource(mio, 0, &r) == 0) | |
1229 | chip->macio_base = | |
1230 | ioremap(r.start, 0x40); | |
1da177e4 LT |
1231 | break; |
1232 | } | |
1233 | } | |
1234 | /* Enable CD sound input. */ | |
1235 | /* The relevant bits for writing to this byte are 0x8f. | |
1236 | * I haven't found out what the 0x80 bit does. | |
1237 | * For the 0xf bits, writing 3 or 7 enables the CD | |
1238 | * input, any other value disables it. Values | |
1239 | * 1, 3, 5, 7 enable the microphone. Values 0, 2, | |
1240 | * 4, 6, 8 - f enable the input from the modem. | |
1241 | */ | |
1242 | if (chip->macio_base) | |
1243 | out_8(chip->macio_base + 0x37, 3); | |
1244 | } | |
1245 | ||
1246 | /* Reset dbdma channels */ | |
1247 | snd_pmac_dbdma_reset(chip); | |
1248 | ||
1da177e4 LT |
1249 | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) |
1250 | goto __error; | |
1251 | ||
1252 | *chip_return = chip; | |
1253 | return 0; | |
1254 | ||
1255 | __error: | |
1256 | snd_pmac_free(chip); | |
1257 | return err; | |
1258 | } | |
1259 | ||
1260 | ||
1261 | /* | |
1262 | * sleep notify for powerbook | |
1263 | */ | |
1264 | ||
8c870933 | 1265 | #ifdef CONFIG_PM |
1da177e4 LT |
1266 | |
1267 | /* | |
1268 | * Save state when going to sleep, restore it afterwards. | |
1269 | */ | |
1270 | ||
5e12bea0 | 1271 | void snd_pmac_suspend(struct snd_pmac *chip) |
1da177e4 | 1272 | { |
1da177e4 LT |
1273 | unsigned long flags; |
1274 | ||
5e12bea0 | 1275 | snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot); |
1da177e4 LT |
1276 | if (chip->suspend) |
1277 | chip->suspend(chip); | |
1278 | snd_pcm_suspend_all(chip->pcm); | |
1279 | spin_lock_irqsave(&chip->reg_lock, flags); | |
1280 | snd_pmac_beep_stop(chip); | |
1281 | spin_unlock_irqrestore(&chip->reg_lock, flags); | |
1282 | if (chip->irq >= 0) | |
1283 | disable_irq(chip->irq); | |
1284 | if (chip->tx_irq >= 0) | |
1285 | disable_irq(chip->tx_irq); | |
1286 | if (chip->rx_irq >= 0) | |
1287 | disable_irq(chip->rx_irq); | |
1288 | snd_pmac_sound_feature(chip, 0); | |
1da177e4 LT |
1289 | } |
1290 | ||
5e12bea0 | 1291 | void snd_pmac_resume(struct snd_pmac *chip) |
1da177e4 | 1292 | { |
1da177e4 LT |
1293 | snd_pmac_sound_feature(chip, 1); |
1294 | if (chip->resume) | |
1295 | chip->resume(chip); | |
1296 | /* enable CD sound input */ | |
5e12bea0 | 1297 | if (chip->macio_base && chip->is_pbook_G3) |
1da177e4 | 1298 | out_8(chip->macio_base + 0x37, 3); |
5e12bea0 | 1299 | else if (chip->is_pbook_3400) |
1da177e4 | 1300 | in_8(chip->latch_base + 0x190); |
1da177e4 LT |
1301 | |
1302 | snd_pmac_pcm_set_format(chip); | |
1303 | ||
1304 | if (chip->irq >= 0) | |
1305 | enable_irq(chip->irq); | |
1306 | if (chip->tx_irq >= 0) | |
1307 | enable_irq(chip->tx_irq); | |
1308 | if (chip->rx_irq >= 0) | |
1309 | enable_irq(chip->rx_irq); | |
1310 | ||
5e12bea0 | 1311 | snd_power_change_state(chip->card, SNDRV_CTL_POWER_D0); |
1da177e4 LT |
1312 | } |
1313 | ||
8c870933 BH |
1314 | #endif /* CONFIG_PM */ |
1315 |