This source file includes following definitions.
- read_reg
- write_reg
- update_reg
- update_mask_reg
- snd_ps3_verify_dma_stop
- snd_ps3_wait_for_dma_stop
- snd_ps3_kick_dma
- v_to_bus
- snd_ps3_bump_buffer
- snd_ps3_program_dma
- snd_ps3_interrupt
- snd_ps3_mute
- snd_ps3_change_avsetting
- snd_ps3_set_avsetting
- snd_ps3_pcm_open
- snd_ps3_pcm_close
- snd_ps3_pcm_hw_params
- snd_ps3_pcm_hw_free
- snd_ps3_delay_to_bytes
- snd_ps3_pcm_prepare
- snd_ps3_pcm_trigger
- snd_ps3_pcm_pointer
- snd_ps3_spdif_mask_info
- snd_ps3_spdif_cmask_get
- snd_ps3_spdif_pmask_get
- snd_ps3_spdif_default_get
- snd_ps3_spdif_default_put
- snd_ps3_map_mmio
- snd_ps3_unmap_mmio
- snd_ps3_allocate_irq
- snd_ps3_free_irq
- snd_ps3_audio_set_base_addr
- snd_ps3_audio_fixup
- snd_ps3_init_avsetting
- snd_ps3_driver_probe
- snd_ps3_driver_remove
- snd_ps3_init
- snd_ps3_exit
1
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5
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7
8
9 #include <linux/dma-mapping.h>
10 #include <linux/dmapool.h>
11 #include <linux/gfp.h>
12 #include <linux/init.h>
13 #include <linux/interrupt.h>
14 #include <linux/io.h>
15 #include <linux/module.h>
16
17 #include <sound/asound.h>
18 #include <sound/control.h>
19 #include <sound/core.h>
20 #include <sound/initval.h>
21 #include <sound/memalloc.h>
22 #include <sound/pcm.h>
23 #include <sound/pcm_params.h>
24
25 #include <asm/dma.h>
26 #include <asm/firmware.h>
27 #include <asm/lv1call.h>
28 #include <asm/ps3.h>
29 #include <asm/ps3av.h>
30
31 #include "snd_ps3.h"
32 #include "snd_ps3_reg.h"
33
34
35
36
37
38 static struct snd_ps3_card_info the_card;
39
40 static int snd_ps3_start_delay = CONFIG_SND_PS3_DEFAULT_START_DELAY;
41
42 module_param_named(start_delay, snd_ps3_start_delay, uint, 0644);
43 MODULE_PARM_DESC(start_delay, "time to insert silent data in ms");
44
45 static int index = SNDRV_DEFAULT_IDX1;
46 static char *id = SNDRV_DEFAULT_STR1;
47
48 module_param(index, int, 0444);
49 MODULE_PARM_DESC(index, "Index value for PS3 soundchip.");
50 module_param(id, charp, 0444);
51 MODULE_PARM_DESC(id, "ID string for PS3 soundchip.");
52
53
54
55
56
57 static inline u32 read_reg(unsigned int reg)
58 {
59 return in_be32(the_card.mapped_mmio_vaddr + reg);
60 }
61 static inline void write_reg(unsigned int reg, u32 val)
62 {
63 out_be32(the_card.mapped_mmio_vaddr + reg, val);
64 }
65 static inline void update_reg(unsigned int reg, u32 or_val)
66 {
67 u32 newval = read_reg(reg) | or_val;
68 write_reg(reg, newval);
69 }
70 static inline void update_mask_reg(unsigned int reg, u32 mask, u32 or_val)
71 {
72 u32 newval = (read_reg(reg) & mask) | or_val;
73 write_reg(reg, newval);
74 }
75
76
77
78
79 static const struct snd_pcm_hardware snd_ps3_pcm_hw = {
80 .info = (SNDRV_PCM_INFO_MMAP |
81 SNDRV_PCM_INFO_NONINTERLEAVED |
82 SNDRV_PCM_INFO_MMAP_VALID),
83 .formats = (SNDRV_PCM_FMTBIT_S16_BE |
84 SNDRV_PCM_FMTBIT_S24_BE),
85 .rates = (SNDRV_PCM_RATE_44100 |
86 SNDRV_PCM_RATE_48000 |
87 SNDRV_PCM_RATE_88200 |
88 SNDRV_PCM_RATE_96000),
89 .rate_min = 44100,
90 .rate_max = 96000,
91
92 .channels_min = 2,
93 .channels_max = 2,
94
95 .buffer_bytes_max = PS3_AUDIO_FIFO_SIZE * 64,
96
97
98 .period_bytes_min = PS3_AUDIO_FIFO_STAGE_SIZE * 4,
99 .period_bytes_max = PS3_AUDIO_FIFO_STAGE_SIZE * 4,
100
101 .periods_min = 16,
102 .periods_max = 32,
103
104 .fifo_size = PS3_AUDIO_FIFO_SIZE
105 };
106
107 static int snd_ps3_verify_dma_stop(struct snd_ps3_card_info *card,
108 int count, int force_stop)
109 {
110 int dma_ch, done, retries, stop_forced = 0;
111 uint32_t status;
112
113 for (dma_ch = 0; dma_ch < 8; dma_ch++) {
114 retries = count;
115 do {
116 status = read_reg(PS3_AUDIO_KICK(dma_ch)) &
117 PS3_AUDIO_KICK_STATUS_MASK;
118 switch (status) {
119 case PS3_AUDIO_KICK_STATUS_DONE:
120 case PS3_AUDIO_KICK_STATUS_NOTIFY:
121 case PS3_AUDIO_KICK_STATUS_CLEAR:
122 case PS3_AUDIO_KICK_STATUS_ERROR:
123 done = 1;
124 break;
125 default:
126 done = 0;
127 udelay(10);
128 }
129 } while (!done && --retries);
130 if (!retries && force_stop) {
131 pr_info("%s: DMA ch %d is not stopped.",
132 __func__, dma_ch);
133
134
135
136 update_reg(PS3_AUDIO_CONFIG, PS3_AUDIO_CONFIG_CLEAR);
137 stop_forced = 1;
138 }
139 }
140 return stop_forced;
141 }
142
143
144
145
146
147
148
149 static void snd_ps3_wait_for_dma_stop(struct snd_ps3_card_info *card)
150 {
151 int stop_forced;
152
153
154
155
156
157
158
159
160
161 stop_forced = snd_ps3_verify_dma_stop(card, 700, 1);
162
163
164
165
166 update_reg(PS3_AUDIO_INTR_0, 0);
167 update_reg(PS3_AUDIO_AX_IS, 0);
168
169
170
171
172 if (stop_forced)
173 update_mask_reg(PS3_AUDIO_CONFIG, ~PS3_AUDIO_CONFIG_CLEAR, 0);
174
175 wmb();
176 }
177
178 static void snd_ps3_kick_dma(struct snd_ps3_card_info *card)
179 {
180
181 update_reg(PS3_AUDIO_KICK(0), PS3_AUDIO_KICK_REQUEST);
182
183 wmb();
184 }
185
186
187
188
189 static dma_addr_t v_to_bus(struct snd_ps3_card_info *card, void *paddr, int ch)
190 {
191 return card->dma_start_bus_addr[ch] +
192 (paddr - card->dma_start_vaddr[ch]);
193 };
194
195
196
197
198
199
200 static void snd_ps3_bump_buffer(struct snd_ps3_card_info *card,
201 enum snd_ps3_ch ch, size_t byte_count,
202 int stage)
203 {
204 if (!stage)
205 card->dma_last_transfer_vaddr[ch] =
206 card->dma_next_transfer_vaddr[ch];
207 card->dma_next_transfer_vaddr[ch] += byte_count;
208 if ((card->dma_start_vaddr[ch] + (card->dma_buffer_size / 2)) <=
209 card->dma_next_transfer_vaddr[ch]) {
210 card->dma_next_transfer_vaddr[ch] = card->dma_start_vaddr[ch];
211 }
212 }
213
214
215
216 static int snd_ps3_program_dma(struct snd_ps3_card_info *card,
217 enum snd_ps3_dma_filltype filltype)
218 {
219
220 uint32_t dma_addr;
221 int fill_stages, dma_ch, stage;
222 enum snd_ps3_ch ch;
223 uint32_t ch0_kick_event = 0;
224 unsigned long irqsave;
225 int silent = 0;
226
227 switch (filltype) {
228 case SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL:
229 silent = 1;
230
231 case SND_PS3_DMA_FILLTYPE_FIRSTFILL:
232 ch0_kick_event = PS3_AUDIO_KICK_EVENT_ALWAYS;
233 break;
234
235 case SND_PS3_DMA_FILLTYPE_SILENT_RUNNING:
236 silent = 1;
237
238 case SND_PS3_DMA_FILLTYPE_RUNNING:
239 ch0_kick_event = PS3_AUDIO_KICK_EVENT_SERIALOUT0_EMPTY;
240 break;
241 }
242
243 snd_ps3_verify_dma_stop(card, 700, 0);
244 fill_stages = 4;
245 spin_lock_irqsave(&card->dma_lock, irqsave);
246 for (ch = 0; ch < 2; ch++) {
247 for (stage = 0; stage < fill_stages; stage++) {
248 dma_ch = stage * 2 + ch;
249 if (silent)
250 dma_addr = card->null_buffer_start_dma_addr;
251 else
252 dma_addr =
253 v_to_bus(card,
254 card->dma_next_transfer_vaddr[ch],
255 ch);
256
257 write_reg(PS3_AUDIO_SOURCE(dma_ch),
258 (PS3_AUDIO_SOURCE_TARGET_SYSTEM_MEMORY |
259 dma_addr));
260
261
262 if (ch == 0)
263 write_reg(PS3_AUDIO_DEST(dma_ch),
264 (PS3_AUDIO_DEST_TARGET_AUDIOFIFO |
265 PS3_AUDIO_AO_3W_LDATA(0)));
266 else
267 write_reg(PS3_AUDIO_DEST(dma_ch),
268 (PS3_AUDIO_DEST_TARGET_AUDIOFIFO |
269 PS3_AUDIO_AO_3W_RDATA(0)));
270
271
272 write_reg(PS3_AUDIO_DMASIZE(dma_ch), 0);
273
274 if (!silent)
275 snd_ps3_bump_buffer(card, ch,
276 PS3_AUDIO_DMAC_BLOCK_SIZE,
277 stage);
278
279
280 if (dma_ch == 0)
281 write_reg(PS3_AUDIO_KICK(dma_ch),
282 ch0_kick_event);
283 else
284 write_reg(PS3_AUDIO_KICK(dma_ch),
285 PS3_AUDIO_KICK_EVENT_AUDIO_DMA(dma_ch
286 - 1) |
287 PS3_AUDIO_KICK_REQUEST);
288 }
289 }
290
291 wmb();
292 spin_unlock_irqrestore(&card->dma_lock, irqsave);
293
294 return 0;
295 }
296
297
298
299
300 static irqreturn_t snd_ps3_interrupt(int irq, void *dev_id)
301 {
302
303 uint32_t port_intr;
304 int underflow_occured = 0;
305 struct snd_ps3_card_info *card = dev_id;
306
307 if (!card->running) {
308 update_reg(PS3_AUDIO_AX_IS, 0);
309 update_reg(PS3_AUDIO_INTR_0, 0);
310 return IRQ_HANDLED;
311 }
312
313 port_intr = read_reg(PS3_AUDIO_AX_IS);
314
315
316
317
318 if (port_intr & PS3_AUDIO_AX_IE_ASOBEIE(0)) {
319 write_reg(PS3_AUDIO_AX_IS, PS3_AUDIO_AX_IE_ASOBEIE(0));
320 if (port_intr & PS3_AUDIO_AX_IE_ASOBUIE(0)) {
321 write_reg(PS3_AUDIO_AX_IS, port_intr);
322 underflow_occured = 1;
323 }
324 if (card->silent) {
325
326 snd_ps3_program_dma(card,
327 (underflow_occured) ?
328 SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL :
329 SND_PS3_DMA_FILLTYPE_SILENT_RUNNING);
330 snd_ps3_kick_dma(card);
331 card->silent--;
332 } else {
333 snd_ps3_program_dma(card,
334 (underflow_occured) ?
335 SND_PS3_DMA_FILLTYPE_FIRSTFILL :
336 SND_PS3_DMA_FILLTYPE_RUNNING);
337 snd_ps3_kick_dma(card);
338 snd_pcm_period_elapsed(card->substream);
339 }
340 } else if (port_intr & PS3_AUDIO_AX_IE_ASOBUIE(0)) {
341 write_reg(PS3_AUDIO_AX_IS, PS3_AUDIO_AX_IE_ASOBUIE(0));
342
343
344
345
346
347
348
349
350
351 snd_ps3_program_dma(card,
352 SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL);
353 snd_ps3_kick_dma(card);
354 snd_ps3_program_dma(card,
355 SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL);
356 snd_ps3_kick_dma(card);
357 }
358
359 return IRQ_HANDLED;
360 };
361
362
363
364
365
366
367 static int snd_ps3_mute(int mute_on)
368 {
369 return ps3av_audio_mute(mute_on);
370 }
371
372
373
374
375
376 static int snd_ps3_change_avsetting(struct snd_ps3_card_info *card)
377 {
378 int ret, retries, i;
379 pr_debug("%s: start\n", __func__);
380
381 ret = ps3av_set_audio_mode(card->avs.avs_audio_ch,
382 card->avs.avs_audio_rate,
383 card->avs.avs_audio_width,
384 card->avs.avs_audio_format,
385 card->avs.avs_audio_source);
386
387
388
389
390
391 update_mask_reg(PS3_AUDIO_AO_3WMCTRL,
392 ~(PS3_AUDIO_AO_3WMCTRL_ASOEN(0) |
393 PS3_AUDIO_AO_3WMCTRL_ASOEN(1) |
394 PS3_AUDIO_AO_3WMCTRL_ASOEN(2) |
395 PS3_AUDIO_AO_3WMCTRL_ASOEN(3)),
396 0);
397 wmb();
398
399 retries = 1000;
400 while ((read_reg(PS3_AUDIO_AO_3WMCTRL) &
401 (PS3_AUDIO_AO_3WMCTRL_ASORUN(0) |
402 PS3_AUDIO_AO_3WMCTRL_ASORUN(1) |
403 PS3_AUDIO_AO_3WMCTRL_ASORUN(2) |
404 PS3_AUDIO_AO_3WMCTRL_ASORUN(3))) &&
405 --retries) {
406 udelay(1);
407 }
408
409
410 for (i = 0; i < 4; i++) {
411 update_reg(PS3_AUDIO_AO_3WCTRL(i),
412 PS3_AUDIO_AO_3WCTRL_ASOBRST_RESET);
413 udelay(10);
414 }
415 wmb();
416
417
418 update_reg(PS3_AUDIO_AO_3WMCTRL, PS3_AUDIO_AO_3WMCTRL_ASOEN(0));
419
420
421
422 update_mask_reg(PS3_AUDIO_AO_3WCTRL(0),
423 ~PS3_AUDIO_AO_3WCTRL_ASODF,
424 PS3_AUDIO_AO_3WCTRL_ASODF_LSB);
425 update_mask_reg(PS3_AUDIO_AO_SPDCTRL(0),
426 ~PS3_AUDIO_AO_SPDCTRL_SPODF,
427 PS3_AUDIO_AO_SPDCTRL_SPODF_LSB);
428
429 wmb();
430
431 pr_debug("%s: end\n", __func__);
432 return ret;
433 }
434
435
436
437
438 static int snd_ps3_set_avsetting(struct snd_pcm_substream *substream)
439 {
440 struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream);
441 struct snd_ps3_avsetting_info avs;
442 int ret;
443
444 avs = card->avs;
445
446 pr_debug("%s: called freq=%d width=%d\n", __func__,
447 substream->runtime->rate,
448 snd_pcm_format_width(substream->runtime->format));
449
450 pr_debug("%s: before freq=%d width=%d\n", __func__,
451 card->avs.avs_audio_rate, card->avs.avs_audio_width);
452
453
454 switch (substream->runtime->rate) {
455 case 44100:
456 avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_44K;
457 break;
458 case 48000:
459 avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_48K;
460 break;
461 case 88200:
462 avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_88K;
463 break;
464 case 96000:
465 avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_96K;
466 break;
467 default:
468 pr_info("%s: invalid rate %d\n", __func__,
469 substream->runtime->rate);
470 return 1;
471 }
472
473
474 switch (snd_pcm_format_width(substream->runtime->format)) {
475 case 16:
476 avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_16;
477 break;
478 case 24:
479 avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_24;
480 break;
481 default:
482 pr_info("%s: invalid width %d\n", __func__,
483 snd_pcm_format_width(substream->runtime->format));
484 return 1;
485 }
486
487 memcpy(avs.avs_cs_info, ps3av_mode_cs_info, 8);
488
489 if (memcmp(&card->avs, &avs, sizeof(avs))) {
490 pr_debug("%s: after freq=%d width=%d\n", __func__,
491 card->avs.avs_audio_rate, card->avs.avs_audio_width);
492
493 card->avs = avs;
494 snd_ps3_change_avsetting(card);
495 ret = 0;
496 } else
497 ret = 1;
498
499
500 if (avs.avs_cs_info[0] & 0x02)
501 ps3av_audio_mute_analog(1);
502 else
503 ps3av_audio_mute_analog(0);
504
505 return ret;
506 }
507
508
509
510
511 static int snd_ps3_pcm_open(struct snd_pcm_substream *substream)
512 {
513 struct snd_pcm_runtime *runtime = substream->runtime;
514 struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream);
515
516
517 card->substream = substream;
518
519 runtime->hw = snd_ps3_pcm_hw;
520
521 card->start_delay = snd_ps3_start_delay;
522
523
524 snd_ps3_mute(0);
525
526 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
527 PS3_AUDIO_FIFO_STAGE_SIZE * 4 * 2);
528 return 0;
529 };
530
531 static int snd_ps3_pcm_close(struct snd_pcm_substream *substream)
532 {
533
534 snd_ps3_mute(1);
535 return 0;
536 };
537
538 static int snd_ps3_pcm_hw_params(struct snd_pcm_substream *substream,
539 struct snd_pcm_hw_params *hw_params)
540 {
541 size_t size;
542
543
544 size = params_buffer_bytes(hw_params);
545 snd_pcm_lib_malloc_pages(substream, size);
546 return 0;
547 };
548
549 static int snd_ps3_pcm_hw_free(struct snd_pcm_substream *substream)
550 {
551 return snd_pcm_lib_free_pages(substream);
552 };
553
554 static int snd_ps3_delay_to_bytes(struct snd_pcm_substream *substream,
555 unsigned int delay_ms)
556 {
557 int ret;
558 int rate ;
559
560 rate = substream->runtime->rate;
561 ret = snd_pcm_format_size(substream->runtime->format,
562 rate * delay_ms / 1000)
563 * substream->runtime->channels;
564
565 pr_debug("%s: time=%d rate=%d bytes=%ld, frames=%d, ret=%d\n",
566 __func__,
567 delay_ms,
568 rate,
569 snd_pcm_format_size(substream->runtime->format, rate),
570 rate * delay_ms / 1000,
571 ret);
572
573 return ret;
574 };
575
576 static int snd_ps3_pcm_prepare(struct snd_pcm_substream *substream)
577 {
578 struct snd_pcm_runtime *runtime = substream->runtime;
579 struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream);
580 unsigned long irqsave;
581
582 if (!snd_ps3_set_avsetting(substream)) {
583
584 write_reg(PS3_AUDIO_AX_IE,
585 PS3_AUDIO_AX_IE_ASOBEIE(0) |
586 PS3_AUDIO_AX_IE_ASOBUIE(0));
587
588
589
590
591 card->silent = snd_ps3_delay_to_bytes(substream,
592 card->start_delay) /
593 (PS3_AUDIO_FIFO_STAGE_SIZE * 4);
594 }
595
596
597 spin_lock_irqsave(&card->dma_lock, irqsave);
598 {
599 card->dma_buffer_size = runtime->dma_bytes;
600
601 card->dma_last_transfer_vaddr[SND_PS3_CH_L] =
602 card->dma_next_transfer_vaddr[SND_PS3_CH_L] =
603 card->dma_start_vaddr[SND_PS3_CH_L] =
604 runtime->dma_area;
605 card->dma_start_bus_addr[SND_PS3_CH_L] = runtime->dma_addr;
606
607 card->dma_last_transfer_vaddr[SND_PS3_CH_R] =
608 card->dma_next_transfer_vaddr[SND_PS3_CH_R] =
609 card->dma_start_vaddr[SND_PS3_CH_R] =
610 runtime->dma_area + (runtime->dma_bytes / 2);
611 card->dma_start_bus_addr[SND_PS3_CH_R] =
612 runtime->dma_addr + (runtime->dma_bytes / 2);
613
614 pr_debug("%s: vaddr=%p bus=%#llx\n", __func__,
615 card->dma_start_vaddr[SND_PS3_CH_L],
616 card->dma_start_bus_addr[SND_PS3_CH_L]);
617
618 }
619 spin_unlock_irqrestore(&card->dma_lock, irqsave);
620
621
622 mb();
623
624 return 0;
625 };
626
627 static int snd_ps3_pcm_trigger(struct snd_pcm_substream *substream,
628 int cmd)
629 {
630 struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream);
631
632 switch (cmd) {
633 case SNDRV_PCM_TRIGGER_START:
634
635 update_reg(PS3_AUDIO_AX_IS, 0);
636
637 spin_lock(&card->dma_lock);
638 {
639 card->running = 1;
640 }
641 spin_unlock(&card->dma_lock);
642
643 snd_ps3_program_dma(card,
644 SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL);
645 snd_ps3_kick_dma(card);
646 while (read_reg(PS3_AUDIO_KICK(7)) &
647 PS3_AUDIO_KICK_STATUS_MASK) {
648 udelay(1);
649 }
650 snd_ps3_program_dma(card, SND_PS3_DMA_FILLTYPE_SILENT_RUNNING);
651 snd_ps3_kick_dma(card);
652 break;
653
654 case SNDRV_PCM_TRIGGER_STOP:
655 spin_lock(&card->dma_lock);
656 {
657 card->running = 0;
658 }
659 spin_unlock(&card->dma_lock);
660 snd_ps3_wait_for_dma_stop(card);
661 break;
662 default:
663 break;
664
665 }
666
667 return 0;
668 };
669
670
671
672
673 static snd_pcm_uframes_t snd_ps3_pcm_pointer(
674 struct snd_pcm_substream *substream)
675 {
676 struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream);
677 size_t bytes;
678 snd_pcm_uframes_t ret;
679
680 spin_lock(&card->dma_lock);
681 {
682 bytes = (size_t)(card->dma_last_transfer_vaddr[SND_PS3_CH_L] -
683 card->dma_start_vaddr[SND_PS3_CH_L]);
684 }
685 spin_unlock(&card->dma_lock);
686
687 ret = bytes_to_frames(substream->runtime, bytes * 2);
688
689 return ret;
690 };
691
692
693
694
695 static int snd_ps3_spdif_mask_info(struct snd_kcontrol *kcontrol,
696 struct snd_ctl_elem_info *uinfo)
697 {
698 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
699 uinfo->count = 1;
700 return 0;
701 }
702
703
704 static int snd_ps3_spdif_cmask_get(struct snd_kcontrol *kcontrol,
705 struct snd_ctl_elem_value *ucontrol)
706 {
707 memset(ucontrol->value.iec958.status, 0xff, 8);
708 return 0;
709 }
710
711 static int snd_ps3_spdif_pmask_get(struct snd_kcontrol *kcontrol,
712 struct snd_ctl_elem_value *ucontrol)
713 {
714 return 0;
715 }
716
717 static int snd_ps3_spdif_default_get(struct snd_kcontrol *kcontrol,
718 struct snd_ctl_elem_value *ucontrol)
719 {
720 memcpy(ucontrol->value.iec958.status, ps3av_mode_cs_info, 8);
721 return 0;
722 }
723
724 static int snd_ps3_spdif_default_put(struct snd_kcontrol *kcontrol,
725 struct snd_ctl_elem_value *ucontrol)
726 {
727 if (memcmp(ps3av_mode_cs_info, ucontrol->value.iec958.status, 8)) {
728 memcpy(ps3av_mode_cs_info, ucontrol->value.iec958.status, 8);
729 return 1;
730 }
731 return 0;
732 }
733
734 static struct snd_kcontrol_new spdif_ctls[] = {
735 {
736 .access = SNDRV_CTL_ELEM_ACCESS_READ,
737 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
738 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
739 .info = snd_ps3_spdif_mask_info,
740 .get = snd_ps3_spdif_cmask_get,
741 },
742 {
743 .access = SNDRV_CTL_ELEM_ACCESS_READ,
744 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
745 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
746 .info = snd_ps3_spdif_mask_info,
747 .get = snd_ps3_spdif_pmask_get,
748 },
749 {
750 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
751 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
752 .info = snd_ps3_spdif_mask_info,
753 .get = snd_ps3_spdif_default_get,
754 .put = snd_ps3_spdif_default_put,
755 },
756 };
757
758 static const struct snd_pcm_ops snd_ps3_pcm_spdif_ops = {
759 .open = snd_ps3_pcm_open,
760 .close = snd_ps3_pcm_close,
761 .ioctl = snd_pcm_lib_ioctl,
762 .hw_params = snd_ps3_pcm_hw_params,
763 .hw_free = snd_ps3_pcm_hw_free,
764 .prepare = snd_ps3_pcm_prepare,
765 .trigger = snd_ps3_pcm_trigger,
766 .pointer = snd_ps3_pcm_pointer,
767 };
768
769
770 static int snd_ps3_map_mmio(void)
771 {
772 the_card.mapped_mmio_vaddr =
773 ioremap(the_card.ps3_dev->m_region->bus_addr,
774 the_card.ps3_dev->m_region->len);
775
776 if (!the_card.mapped_mmio_vaddr) {
777 pr_info("%s: ioremap 0 failed p=%#lx l=%#lx \n",
778 __func__, the_card.ps3_dev->m_region->lpar_addr,
779 the_card.ps3_dev->m_region->len);
780 return -ENXIO;
781 }
782
783 return 0;
784 };
785
786 static void snd_ps3_unmap_mmio(void)
787 {
788 iounmap(the_card.mapped_mmio_vaddr);
789 the_card.mapped_mmio_vaddr = NULL;
790 }
791
792 static int snd_ps3_allocate_irq(void)
793 {
794 int ret;
795 u64 lpar_addr, lpar_size;
796 u64 __iomem *mapped;
797
798
799
800
801 ret = lv1_gpu_device_map(1, &lpar_addr, &lpar_size);
802 if (ret) {
803 pr_info("%s: device map 1 failed %d\n", __func__,
804 ret);
805 return -ENXIO;
806 }
807
808 mapped = ioremap(lpar_addr, lpar_size);
809 if (!mapped) {
810 pr_info("%s: ioremap 1 failed \n", __func__);
811 return -ENXIO;
812 }
813
814 the_card.audio_irq_outlet = in_be64(mapped);
815
816 iounmap(mapped);
817 ret = lv1_gpu_device_unmap(1);
818 if (ret)
819 pr_info("%s: unmap 1 failed\n", __func__);
820
821
822 ret = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY,
823 the_card.audio_irq_outlet,
824 &the_card.irq_no);
825 if (ret) {
826 pr_info("%s:ps3_alloc_irq failed (%d)\n", __func__, ret);
827 return ret;
828 }
829
830 ret = request_irq(the_card.irq_no, snd_ps3_interrupt, 0,
831 SND_PS3_DRIVER_NAME, &the_card);
832 if (ret) {
833 pr_info("%s: request_irq failed (%d)\n", __func__, ret);
834 goto cleanup_irq;
835 }
836
837 return 0;
838
839 cleanup_irq:
840 ps3_irq_plug_destroy(the_card.irq_no);
841 return ret;
842 };
843
844 static void snd_ps3_free_irq(void)
845 {
846 free_irq(the_card.irq_no, &the_card);
847 ps3_irq_plug_destroy(the_card.irq_no);
848 }
849
850 static void snd_ps3_audio_set_base_addr(uint64_t ioaddr_start)
851 {
852 uint64_t val;
853 int ret;
854
855 val = (ioaddr_start & (0x0fUL << 32)) >> (32 - 20) |
856 (0x03UL << 24) |
857 (0x0fUL << 12) |
858 (PS3_AUDIO_IOID);
859
860 ret = lv1_gpu_attribute(0x100, 0x007, val);
861 if (ret)
862 pr_info("%s: gpu_attribute failed %d\n", __func__,
863 ret);
864 }
865
866 static void snd_ps3_audio_fixup(struct snd_ps3_card_info *card)
867 {
868
869
870
871
872
873
874 write_reg(PS3_AUDIO_INTR_EN_0, 0);
875
876
877 update_mask_reg(PS3_AUDIO_AX_IC,
878 PS3_AUDIO_AX_IC_AASOIMD_MASK,
879 PS3_AUDIO_AX_IC_AASOIMD_EVERY4);
880
881
882 update_mask_reg(PS3_AUDIO_AO_3WMCTRL,
883 ~(PS3_AUDIO_AO_3WMCTRL_ASOBCLKD_DISABLED |
884 PS3_AUDIO_AO_3WMCTRL_ASOLRCKD_DISABLED),
885 0);
886 update_reg(PS3_AUDIO_AO_3WMCTRL,
887 PS3_AUDIO_AO_3WMCTRL_ASOPLRCK_DEFAULT);
888 }
889
890 static int snd_ps3_init_avsetting(struct snd_ps3_card_info *card)
891 {
892 int ret;
893 pr_debug("%s: start\n", __func__);
894 card->avs.avs_audio_ch = PS3AV_CMD_AUDIO_NUM_OF_CH_2;
895 card->avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_48K;
896 card->avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_16;
897 card->avs.avs_audio_format = PS3AV_CMD_AUDIO_FORMAT_PCM;
898 card->avs.avs_audio_source = PS3AV_CMD_AUDIO_SOURCE_SERIAL;
899 memcpy(card->avs.avs_cs_info, ps3av_mode_cs_info, 8);
900
901 ret = snd_ps3_change_avsetting(card);
902
903 snd_ps3_audio_fixup(card);
904
905
906 snd_ps3_program_dma(card, SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL);
907 snd_ps3_kick_dma(card);
908 pr_debug("%s: end\n", __func__);
909 return ret;
910 }
911
912 static int snd_ps3_driver_probe(struct ps3_system_bus_device *dev)
913 {
914 int i, ret;
915 u64 lpar_addr, lpar_size;
916 static u64 dummy_mask;
917
918 if (WARN_ON(!firmware_has_feature(FW_FEATURE_PS3_LV1)))
919 return -ENODEV;
920 if (WARN_ON(dev->match_id != PS3_MATCH_ID_SOUND))
921 return -ENODEV;
922
923 the_card.ps3_dev = dev;
924
925 ret = ps3_open_hv_device(dev);
926
927 if (ret)
928 return -ENXIO;
929
930
931 ret = lv1_gpu_device_map(2, &lpar_addr, &lpar_size);
932 if (ret) {
933 pr_info("%s: device map 2 failed %d\n", __func__, ret);
934 goto clean_open;
935 }
936 ps3_mmio_region_init(dev, dev->m_region, lpar_addr, lpar_size,
937 PAGE_SHIFT);
938
939 ret = snd_ps3_map_mmio();
940 if (ret)
941 goto clean_dev_map;
942
943
944 ps3_dma_region_init(dev, dev->d_region,
945 PAGE_SHIFT,
946 0,
947 NULL,
948 _ALIGN_UP(SND_PS3_DMA_REGION_SIZE, PAGE_SIZE));
949 dev->d_region->ioid = PS3_AUDIO_IOID;
950
951 ret = ps3_dma_region_create(dev->d_region);
952 if (ret) {
953 pr_info("%s: region_create\n", __func__);
954 goto clean_mmio;
955 }
956
957 dummy_mask = DMA_BIT_MASK(32);
958 dev->core.dma_mask = &dummy_mask;
959 dma_set_coherent_mask(&dev->core, dummy_mask);
960
961 snd_ps3_audio_set_base_addr(dev->d_region->bus_addr);
962
963
964 the_card.start_delay = snd_ps3_start_delay;
965
966
967 if (snd_ps3_allocate_irq()) {
968 ret = -ENXIO;
969 goto clean_dma_region;
970 }
971
972
973 ret = snd_card_new(&dev->core, index, id, THIS_MODULE,
974 0, &the_card.card);
975 if (ret < 0)
976 goto clean_irq;
977
978 strcpy(the_card.card->driver, "PS3");
979 strcpy(the_card.card->shortname, "PS3");
980 strcpy(the_card.card->longname, "PS3 sound");
981
982
983 for (i = 0; i < ARRAY_SIZE(spdif_ctls); i++) {
984 ret = snd_ctl_add(the_card.card,
985 snd_ctl_new1(&spdif_ctls[i], &the_card));
986 if (ret < 0)
987 goto clean_card;
988 }
989
990
991
992 ret = snd_pcm_new(the_card.card,
993 "SPDIF",
994 0,
995 1,
996 0,
997 &(the_card.pcm));
998 if (ret)
999 goto clean_card;
1000
1001 the_card.pcm->private_data = &the_card;
1002 strcpy(the_card.pcm->name, "SPDIF");
1003
1004
1005 snd_pcm_set_ops(the_card.pcm, SNDRV_PCM_STREAM_PLAYBACK,
1006 &snd_ps3_pcm_spdif_ops);
1007
1008 the_card.pcm->info_flags = SNDRV_PCM_INFO_NONINTERLEAVED;
1009
1010 snd_pcm_lib_preallocate_pages_for_all(the_card.pcm,
1011 SNDRV_DMA_TYPE_DEV,
1012 &dev->core,
1013 SND_PS3_PCM_PREALLOC_SIZE,
1014 SND_PS3_PCM_PREALLOC_SIZE);
1015
1016
1017
1018
1019
1020
1021 the_card.null_buffer_start_vaddr =
1022 dma_alloc_coherent(&the_card.ps3_dev->core,
1023 PAGE_SIZE,
1024 &the_card.null_buffer_start_dma_addr,
1025 GFP_KERNEL);
1026 if (!the_card.null_buffer_start_vaddr) {
1027 pr_info("%s: nullbuffer alloc failed\n", __func__);
1028 ret = -ENOMEM;
1029 goto clean_card;
1030 }
1031 pr_debug("%s: null vaddr=%p dma=%#llx\n", __func__,
1032 the_card.null_buffer_start_vaddr,
1033 the_card.null_buffer_start_dma_addr);
1034
1035 snd_ps3_init_avsetting(&the_card);
1036
1037
1038 ret = snd_card_register(the_card.card);
1039 if (ret < 0)
1040 goto clean_dma_map;
1041
1042 pr_info("%s started. start_delay=%dms\n",
1043 the_card.card->longname, the_card.start_delay);
1044 return 0;
1045
1046 clean_dma_map:
1047 dma_free_coherent(&the_card.ps3_dev->core,
1048 PAGE_SIZE,
1049 the_card.null_buffer_start_vaddr,
1050 the_card.null_buffer_start_dma_addr);
1051 clean_card:
1052 snd_card_free(the_card.card);
1053 clean_irq:
1054 snd_ps3_free_irq();
1055 clean_dma_region:
1056 ps3_dma_region_free(dev->d_region);
1057 clean_mmio:
1058 snd_ps3_unmap_mmio();
1059 clean_dev_map:
1060 lv1_gpu_device_unmap(2);
1061 clean_open:
1062 ps3_close_hv_device(dev);
1063
1064
1065
1066
1067 return ret;
1068 };
1069
1070
1071 static int snd_ps3_driver_remove(struct ps3_system_bus_device *dev)
1072 {
1073 int ret;
1074 pr_info("%s:start id=%d\n", __func__, dev->match_id);
1075 if (dev->match_id != PS3_MATCH_ID_SOUND)
1076 return -ENXIO;
1077
1078
1079
1080
1081
1082 ret = snd_card_free(the_card.card);
1083 if (ret)
1084 pr_info("%s: ctl freecard=%d\n", __func__, ret);
1085
1086 dma_free_coherent(&dev->core,
1087 PAGE_SIZE,
1088 the_card.null_buffer_start_vaddr,
1089 the_card.null_buffer_start_dma_addr);
1090
1091 ps3_dma_region_free(dev->d_region);
1092
1093 snd_ps3_free_irq();
1094 snd_ps3_unmap_mmio();
1095
1096 lv1_gpu_device_unmap(2);
1097 ps3_close_hv_device(dev);
1098 pr_info("%s:end id=%d\n", __func__, dev->match_id);
1099 return 0;
1100 }
1101
1102 static struct ps3_system_bus_driver snd_ps3_bus_driver_info = {
1103 .match_id = PS3_MATCH_ID_SOUND,
1104 .probe = snd_ps3_driver_probe,
1105 .remove = snd_ps3_driver_remove,
1106 .shutdown = snd_ps3_driver_remove,
1107 .core = {
1108 .name = SND_PS3_DRIVER_NAME,
1109 .owner = THIS_MODULE,
1110 },
1111 };
1112
1113
1114
1115
1116
1117 static int __init snd_ps3_init(void)
1118 {
1119 int ret;
1120
1121 if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
1122 return -ENXIO;
1123
1124 memset(&the_card, 0, sizeof(the_card));
1125 spin_lock_init(&the_card.dma_lock);
1126
1127
1128 ret = ps3_system_bus_driver_register(&snd_ps3_bus_driver_info);
1129
1130 return ret;
1131 }
1132 module_init(snd_ps3_init);
1133
1134 static void __exit snd_ps3_exit(void)
1135 {
1136 ps3_system_bus_driver_unregister(&snd_ps3_bus_driver_info);
1137 }
1138 module_exit(snd_ps3_exit);
1139
1140 MODULE_LICENSE("GPL v2");
1141 MODULE_DESCRIPTION("PS3 sound driver");
1142 MODULE_AUTHOR("Sony Computer Entertainment Inc.");
1143 MODULE_ALIAS(PS3_MODULE_ALIAS_SOUND);