aboutsummaryrefslogtreecommitdiffstats
path: root/sound/ppc/snd_ps3.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/ppc/snd_ps3.c')
-rw-r--r--sound/ppc/snd_ps3.c655
1 files changed, 304 insertions, 351 deletions
diff --git a/sound/ppc/snd_ps3.c b/sound/ppc/snd_ps3.c
index f361c26506aa..53c81a547613 100644
--- a/sound/ppc/snd_ps3.c
+++ b/sound/ppc/snd_ps3.c
@@ -18,81 +18,31 @@
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */ 19 */
20 20
21#include <linux/dma-mapping.h>
22#include <linux/dmapool.h>
21#include <linux/init.h> 23#include <linux/init.h>
22#include <linux/slab.h>
23#include <linux/io.h>
24#include <linux/interrupt.h> 24#include <linux/interrupt.h>
25#include <linux/io.h>
26#include <linux/slab.h>
27
28#include <sound/asound.h>
29#include <sound/control.h>
25#include <sound/core.h> 30#include <sound/core.h>
26#include <sound/initval.h> 31#include <sound/initval.h>
27#include <sound/pcm.h>
28#include <sound/asound.h>
29#include <sound/memalloc.h> 32#include <sound/memalloc.h>
33#include <sound/pcm.h>
30#include <sound/pcm_params.h> 34#include <sound/pcm_params.h>
31#include <sound/control.h> 35
32#include <linux/dmapool.h>
33#include <linux/dma-mapping.h>
34#include <asm/firmware.h>
35#include <asm/dma.h> 36#include <asm/dma.h>
37#include <asm/firmware.h>
36#include <asm/lv1call.h> 38#include <asm/lv1call.h>
37#include <asm/ps3.h> 39#include <asm/ps3.h>
38#include <asm/ps3av.h> 40#include <asm/ps3av.h>
39 41
40#include "snd_ps3_reg.h"
41#include "snd_ps3.h" 42#include "snd_ps3.h"
42 43#include "snd_ps3_reg.h"
43MODULE_LICENSE("GPL v2");
44MODULE_DESCRIPTION("PS3 sound driver");
45MODULE_AUTHOR("Sony Computer Entertainment Inc.");
46
47/* module entries */
48static int __init snd_ps3_init(void);
49static void __exit snd_ps3_exit(void);
50
51/* ALSA snd driver ops */
52static int snd_ps3_pcm_open(struct snd_pcm_substream *substream);
53static int snd_ps3_pcm_close(struct snd_pcm_substream *substream);
54static int snd_ps3_pcm_prepare(struct snd_pcm_substream *substream);
55static int snd_ps3_pcm_trigger(struct snd_pcm_substream *substream,
56 int cmd);
57static snd_pcm_uframes_t snd_ps3_pcm_pointer(struct snd_pcm_substream
58 *substream);
59static int snd_ps3_pcm_hw_params(struct snd_pcm_substream *substream,
60 struct snd_pcm_hw_params *hw_params);
61static int snd_ps3_pcm_hw_free(struct snd_pcm_substream *substream);
62
63
64/* ps3_system_bus_driver entries */
65static int __init snd_ps3_driver_probe(struct ps3_system_bus_device *dev);
66static int snd_ps3_driver_remove(struct ps3_system_bus_device *dev);
67
68/* address setup */
69static int snd_ps3_map_mmio(void);
70static void snd_ps3_unmap_mmio(void);
71static int snd_ps3_allocate_irq(void);
72static void snd_ps3_free_irq(void);
73static void snd_ps3_audio_set_base_addr(uint64_t ioaddr_start);
74
75/* interrupt handler */
76static irqreturn_t snd_ps3_interrupt(int irq, void *dev_id);
77
78
79/* set sampling rate/format */
80static int snd_ps3_set_avsetting(struct snd_pcm_substream *substream);
81/* take effect parameter change */
82static int snd_ps3_change_avsetting(struct snd_ps3_card_info *card);
83/* initialize avsetting and take it effect */
84static int snd_ps3_init_avsetting(struct snd_ps3_card_info *card);
85/* setup dma */
86static int snd_ps3_program_dma(struct snd_ps3_card_info *card,
87 enum snd_ps3_dma_filltype filltype);
88static void snd_ps3_wait_for_dma_stop(struct snd_ps3_card_info *card);
89
90static dma_addr_t v_to_bus(struct snd_ps3_card_info *, void *vaddr, int ch);
91 44
92 45
93module_init(snd_ps3_init);
94module_exit(snd_ps3_exit);
95
96/* 46/*
97 * global 47 * global
98 */ 48 */
@@ -165,25 +115,13 @@ static const struct snd_pcm_hardware snd_ps3_pcm_hw = {
165 .fifo_size = PS3_AUDIO_FIFO_SIZE 115 .fifo_size = PS3_AUDIO_FIFO_SIZE
166}; 116};
167 117
168static struct snd_pcm_ops snd_ps3_pcm_spdif_ops =
169{
170 .open = snd_ps3_pcm_open,
171 .close = snd_ps3_pcm_close,
172 .prepare = snd_ps3_pcm_prepare,
173 .ioctl = snd_pcm_lib_ioctl,
174 .trigger = snd_ps3_pcm_trigger,
175 .pointer = snd_ps3_pcm_pointer,
176 .hw_params = snd_ps3_pcm_hw_params,
177 .hw_free = snd_ps3_pcm_hw_free
178};
179
180static int snd_ps3_verify_dma_stop(struct snd_ps3_card_info *card, 118static int snd_ps3_verify_dma_stop(struct snd_ps3_card_info *card,
181 int count, int force_stop) 119 int count, int force_stop)
182{ 120{
183 int dma_ch, done, retries, stop_forced = 0; 121 int dma_ch, done, retries, stop_forced = 0;
184 uint32_t status; 122 uint32_t status;
185 123
186 for (dma_ch = 0; dma_ch < 8; dma_ch ++) { 124 for (dma_ch = 0; dma_ch < 8; dma_ch++) {
187 retries = count; 125 retries = count;
188 do { 126 do {
189 status = read_reg(PS3_AUDIO_KICK(dma_ch)) & 127 status = read_reg(PS3_AUDIO_KICK(dma_ch)) &
@@ -259,9 +197,7 @@ static void snd_ps3_kick_dma(struct snd_ps3_card_info *card)
259/* 197/*
260 * convert virtual addr to ioif bus addr. 198 * convert virtual addr to ioif bus addr.
261 */ 199 */
262static dma_addr_t v_to_bus(struct snd_ps3_card_info *card, 200static dma_addr_t v_to_bus(struct snd_ps3_card_info *card, void *paddr, int ch)
263 void * paddr,
264 int ch)
265{ 201{
266 return card->dma_start_bus_addr[ch] + 202 return card->dma_start_bus_addr[ch] +
267 (paddr - card->dma_start_vaddr[ch]); 203 (paddr - card->dma_start_vaddr[ch]);
@@ -321,7 +257,7 @@ static int snd_ps3_program_dma(struct snd_ps3_card_info *card,
321 spin_lock_irqsave(&card->dma_lock, irqsave); 257 spin_lock_irqsave(&card->dma_lock, irqsave);
322 for (ch = 0; ch < 2; ch++) { 258 for (ch = 0; ch < 2; ch++) {
323 start_vaddr = card->dma_next_transfer_vaddr[0]; 259 start_vaddr = card->dma_next_transfer_vaddr[0];
324 for (stage = 0; stage < fill_stages; stage ++) { 260 for (stage = 0; stage < fill_stages; stage++) {
325 dma_ch = stage * 2 + ch; 261 dma_ch = stage * 2 + ch;
326 if (silent) 262 if (silent)
327 dma_addr = card->null_buffer_start_dma_addr; 263 dma_addr = card->null_buffer_start_dma_addr;
@@ -372,6 +308,71 @@ static int snd_ps3_program_dma(struct snd_ps3_card_info *card,
372} 308}
373 309
374/* 310/*
311 * Interrupt handler
312 */
313static irqreturn_t snd_ps3_interrupt(int irq, void *dev_id)
314{
315
316 uint32_t port_intr;
317 int underflow_occured = 0;
318 struct snd_ps3_card_info *card = dev_id;
319
320 if (!card->running) {
321 update_reg(PS3_AUDIO_AX_IS, 0);
322 update_reg(PS3_AUDIO_INTR_0, 0);
323 return IRQ_HANDLED;
324 }
325
326 port_intr = read_reg(PS3_AUDIO_AX_IS);
327 /*
328 *serial buffer empty detected (every 4 times),
329 *program next dma and kick it
330 */
331 if (port_intr & PS3_AUDIO_AX_IE_ASOBEIE(0)) {
332 write_reg(PS3_AUDIO_AX_IS, PS3_AUDIO_AX_IE_ASOBEIE(0));
333 if (port_intr & PS3_AUDIO_AX_IE_ASOBUIE(0)) {
334 write_reg(PS3_AUDIO_AX_IS, port_intr);
335 underflow_occured = 1;
336 }
337 if (card->silent) {
338 /* we are still in silent time */
339 snd_ps3_program_dma(card,
340 (underflow_occured) ?
341 SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL :
342 SND_PS3_DMA_FILLTYPE_SILENT_RUNNING);
343 snd_ps3_kick_dma(card);
344 card->silent--;
345 } else {
346 snd_ps3_program_dma(card,
347 (underflow_occured) ?
348 SND_PS3_DMA_FILLTYPE_FIRSTFILL :
349 SND_PS3_DMA_FILLTYPE_RUNNING);
350 snd_ps3_kick_dma(card);
351 snd_pcm_period_elapsed(card->substream);
352 }
353 } else if (port_intr & PS3_AUDIO_AX_IE_ASOBUIE(0)) {
354 write_reg(PS3_AUDIO_AX_IS, PS3_AUDIO_AX_IE_ASOBUIE(0));
355 /*
356 * serial out underflow, but buffer empty not detected.
357 * in this case, fill fifo with 0 to recover. After
358 * filling dummy data, serial automatically start to
359 * consume them and then will generate normal buffer
360 * empty interrupts.
361 * If both buffer underflow and buffer empty are occured,
362 * it is better to do nomal data transfer than empty one
363 */
364 snd_ps3_program_dma(card,
365 SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL);
366 snd_ps3_kick_dma(card);
367 snd_ps3_program_dma(card,
368 SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL);
369 snd_ps3_kick_dma(card);
370 }
371 /* clear interrupt cause */
372 return IRQ_HANDLED;
373};
374
375/*
375 * audio mute on/off 376 * audio mute on/off
376 * mute_on : 0 output enabled 377 * mute_on : 0 output enabled
377 * 1 mute 378 * 1 mute
@@ -382,6 +383,142 @@ static int snd_ps3_mute(int mute_on)
382} 383}
383 384
384/* 385/*
386 * av setting
387 * NOTE: calling this function may generate audio interrupt.
388 */
389static int snd_ps3_change_avsetting(struct snd_ps3_card_info *card)
390{
391 int ret, retries, i;
392 pr_debug("%s: start\n", __func__);
393
394 ret = ps3av_set_audio_mode(card->avs.avs_audio_ch,
395 card->avs.avs_audio_rate,
396 card->avs.avs_audio_width,
397 card->avs.avs_audio_format,
398 card->avs.avs_audio_source);
399 /*
400 * Reset the following unwanted settings:
401 */
402
403 /* disable all 3wire buffers */
404 update_mask_reg(PS3_AUDIO_AO_3WMCTRL,
405 ~(PS3_AUDIO_AO_3WMCTRL_ASOEN(0) |
406 PS3_AUDIO_AO_3WMCTRL_ASOEN(1) |
407 PS3_AUDIO_AO_3WMCTRL_ASOEN(2) |
408 PS3_AUDIO_AO_3WMCTRL_ASOEN(3)),
409 0);
410 wmb(); /* ensure the hardware sees the change */
411 /* wait for actually stopped */
412 retries = 1000;
413 while ((read_reg(PS3_AUDIO_AO_3WMCTRL) &
414 (PS3_AUDIO_AO_3WMCTRL_ASORUN(0) |
415 PS3_AUDIO_AO_3WMCTRL_ASORUN(1) |
416 PS3_AUDIO_AO_3WMCTRL_ASORUN(2) |
417 PS3_AUDIO_AO_3WMCTRL_ASORUN(3))) &&
418 --retries) {
419 udelay(1);
420 }
421
422 /* reset buffer pointer */
423 for (i = 0; i < 4; i++) {
424 update_reg(PS3_AUDIO_AO_3WCTRL(i),
425 PS3_AUDIO_AO_3WCTRL_ASOBRST_RESET);
426 udelay(10);
427 }
428 wmb(); /* ensure the hardware actually start resetting */
429
430 /* enable 3wire#0 buffer */
431 update_reg(PS3_AUDIO_AO_3WMCTRL, PS3_AUDIO_AO_3WMCTRL_ASOEN(0));
432
433
434 /* In 24bit mode,ALSA inserts a zero byte at first byte of per sample */
435 update_mask_reg(PS3_AUDIO_AO_3WCTRL(0),
436 ~PS3_AUDIO_AO_3WCTRL_ASODF,
437 PS3_AUDIO_AO_3WCTRL_ASODF_LSB);
438 update_mask_reg(PS3_AUDIO_AO_SPDCTRL(0),
439 ~PS3_AUDIO_AO_SPDCTRL_SPODF,
440 PS3_AUDIO_AO_SPDCTRL_SPODF_LSB);
441 /* ensure all the setting above is written back to register */
442 wmb();
443 /* avsetting driver altered AX_IE, caller must reset it if you want */
444 pr_debug("%s: end\n", __func__);
445 return ret;
446}
447
448/*
449 * set sampling rate according to the substream
450 */
451static int snd_ps3_set_avsetting(struct snd_pcm_substream *substream)
452{
453 struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream);
454 struct snd_ps3_avsetting_info avs;
455 int ret;
456
457 avs = card->avs;
458
459 pr_debug("%s: called freq=%d width=%d\n", __func__,
460 substream->runtime->rate,
461 snd_pcm_format_width(substream->runtime->format));
462
463 pr_debug("%s: before freq=%d width=%d\n", __func__,
464 card->avs.avs_audio_rate, card->avs.avs_audio_width);
465
466 /* sample rate */
467 switch (substream->runtime->rate) {
468 case 44100:
469 avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_44K;
470 break;
471 case 48000:
472 avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_48K;
473 break;
474 case 88200:
475 avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_88K;
476 break;
477 case 96000:
478 avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_96K;
479 break;
480 default:
481 pr_info("%s: invalid rate %d\n", __func__,
482 substream->runtime->rate);
483 return 1;
484 }
485
486 /* width */
487 switch (snd_pcm_format_width(substream->runtime->format)) {
488 case 16:
489 avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_16;
490 break;
491 case 24:
492 avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_24;
493 break;
494 default:
495 pr_info("%s: invalid width %d\n", __func__,
496 snd_pcm_format_width(substream->runtime->format));
497 return 1;
498 }
499
500 memcpy(avs.avs_cs_info, ps3av_mode_cs_info, 8);
501
502 if (memcmp(&card->avs, &avs, sizeof(avs))) {
503 pr_debug("%s: after freq=%d width=%d\n", __func__,
504 card->avs.avs_audio_rate, card->avs.avs_audio_width);
505
506 card->avs = avs;
507 snd_ps3_change_avsetting(card);
508 ret = 0;
509 } else
510 ret = 1;
511
512 /* check CS non-audio bit and mute accordingly */
513 if (avs.avs_cs_info[0] & 0x02)
514 ps3av_audio_mute_analog(1); /* mute if non-audio */
515 else
516 ps3av_audio_mute_analog(0);
517
518 return ret;
519}
520
521/*
385 * PCM operators 522 * PCM operators
386 */ 523 */
387static int snd_ps3_pcm_open(struct snd_pcm_substream *substream) 524static int snd_ps3_pcm_open(struct snd_pcm_substream *substream)
@@ -406,6 +543,13 @@ static int snd_ps3_pcm_open(struct snd_pcm_substream *substream)
406 return 0; 543 return 0;
407}; 544};
408 545
546static int snd_ps3_pcm_close(struct snd_pcm_substream *substream)
547{
548 /* mute on */
549 snd_ps3_mute(1);
550 return 0;
551};
552
409static int snd_ps3_pcm_hw_params(struct snd_pcm_substream *substream, 553static int snd_ps3_pcm_hw_params(struct snd_pcm_substream *substream,
410 struct snd_pcm_hw_params *hw_params) 554 struct snd_pcm_hw_params *hw_params)
411{ 555{
@@ -417,6 +561,13 @@ static int snd_ps3_pcm_hw_params(struct snd_pcm_substream *substream,
417 return 0; 561 return 0;
418}; 562};
419 563
564static int snd_ps3_pcm_hw_free(struct snd_pcm_substream *substream)
565{
566 int ret;
567 ret = snd_pcm_lib_free_pages(substream);
568 return ret;
569};
570
420static int snd_ps3_delay_to_bytes(struct snd_pcm_substream *substream, 571static int snd_ps3_delay_to_bytes(struct snd_pcm_substream *substream,
421 unsigned int delay_ms) 572 unsigned int delay_ms)
422{ 573{
@@ -556,202 +707,6 @@ static snd_pcm_uframes_t snd_ps3_pcm_pointer(
556 return ret; 707 return ret;
557}; 708};
558 709
559static int snd_ps3_pcm_hw_free(struct snd_pcm_substream *substream)
560{
561 int ret;
562 ret = snd_pcm_lib_free_pages(substream);
563 return ret;
564};
565
566static int snd_ps3_pcm_close(struct snd_pcm_substream *substream)
567{
568 /* mute on */
569 snd_ps3_mute(1);
570 return 0;
571};
572
573static void snd_ps3_audio_fixup(struct snd_ps3_card_info *card)
574{
575 /*
576 * avsetting driver seems to never change the followings
577 * so, init them here once
578 */
579
580 /* no dma interrupt needed */
581 write_reg(PS3_AUDIO_INTR_EN_0, 0);
582
583 /* use every 4 buffer empty interrupt */
584 update_mask_reg(PS3_AUDIO_AX_IC,
585 PS3_AUDIO_AX_IC_AASOIMD_MASK,
586 PS3_AUDIO_AX_IC_AASOIMD_EVERY4);
587
588 /* enable 3wire clocks */
589 update_mask_reg(PS3_AUDIO_AO_3WMCTRL,
590 ~(PS3_AUDIO_AO_3WMCTRL_ASOBCLKD_DISABLED |
591 PS3_AUDIO_AO_3WMCTRL_ASOLRCKD_DISABLED),
592 0);
593 update_reg(PS3_AUDIO_AO_3WMCTRL,
594 PS3_AUDIO_AO_3WMCTRL_ASOPLRCK_DEFAULT);
595}
596
597/*
598 * av setting
599 * NOTE: calling this function may generate audio interrupt.
600 */
601static int snd_ps3_change_avsetting(struct snd_ps3_card_info *card)
602{
603 int ret, retries, i;
604 pr_debug("%s: start\n", __func__);
605
606 ret = ps3av_set_audio_mode(card->avs.avs_audio_ch,
607 card->avs.avs_audio_rate,
608 card->avs.avs_audio_width,
609 card->avs.avs_audio_format,
610 card->avs.avs_audio_source);
611 /*
612 * Reset the following unwanted settings:
613 */
614
615 /* disable all 3wire buffers */
616 update_mask_reg(PS3_AUDIO_AO_3WMCTRL,
617 ~(PS3_AUDIO_AO_3WMCTRL_ASOEN(0) |
618 PS3_AUDIO_AO_3WMCTRL_ASOEN(1) |
619 PS3_AUDIO_AO_3WMCTRL_ASOEN(2) |
620 PS3_AUDIO_AO_3WMCTRL_ASOEN(3)),
621 0);
622 wmb(); /* ensure the hardware sees the change */
623 /* wait for actually stopped */
624 retries = 1000;
625 while ((read_reg(PS3_AUDIO_AO_3WMCTRL) &
626 (PS3_AUDIO_AO_3WMCTRL_ASORUN(0) |
627 PS3_AUDIO_AO_3WMCTRL_ASORUN(1) |
628 PS3_AUDIO_AO_3WMCTRL_ASORUN(2) |
629 PS3_AUDIO_AO_3WMCTRL_ASORUN(3))) &&
630 --retries) {
631 udelay(1);
632 }
633
634 /* reset buffer pointer */
635 for (i = 0; i < 4; i++) {
636 update_reg(PS3_AUDIO_AO_3WCTRL(i),
637 PS3_AUDIO_AO_3WCTRL_ASOBRST_RESET);
638 udelay(10);
639 }
640 wmb(); /* ensure the hardware actually start resetting */
641
642 /* enable 3wire#0 buffer */
643 update_reg(PS3_AUDIO_AO_3WMCTRL, PS3_AUDIO_AO_3WMCTRL_ASOEN(0));
644
645
646 /* In 24bit mode,ALSA inserts a zero byte at first byte of per sample */
647 update_mask_reg(PS3_AUDIO_AO_3WCTRL(0),
648 ~PS3_AUDIO_AO_3WCTRL_ASODF,
649 PS3_AUDIO_AO_3WCTRL_ASODF_LSB);
650 update_mask_reg(PS3_AUDIO_AO_SPDCTRL(0),
651 ~PS3_AUDIO_AO_SPDCTRL_SPODF,
652 PS3_AUDIO_AO_SPDCTRL_SPODF_LSB);
653 /* ensure all the setting above is written back to register */
654 wmb();
655 /* avsetting driver altered AX_IE, caller must reset it if you want */
656 pr_debug("%s: end\n", __func__);
657 return ret;
658}
659
660static int snd_ps3_init_avsetting(struct snd_ps3_card_info *card)
661{
662 int ret;
663 pr_debug("%s: start\n", __func__);
664 card->avs.avs_audio_ch = PS3AV_CMD_AUDIO_NUM_OF_CH_2;
665 card->avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_48K;
666 card->avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_16;
667 card->avs.avs_audio_format = PS3AV_CMD_AUDIO_FORMAT_PCM;
668 card->avs.avs_audio_source = PS3AV_CMD_AUDIO_SOURCE_SERIAL;
669 memcpy(card->avs.avs_cs_info, ps3av_mode_cs_info, 8);
670
671 ret = snd_ps3_change_avsetting(card);
672
673 snd_ps3_audio_fixup(card);
674
675 /* to start to generate SPDIF signal, fill data */
676 snd_ps3_program_dma(card, SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL);
677 snd_ps3_kick_dma(card);
678 pr_debug("%s: end\n", __func__);
679 return ret;
680}
681
682/*
683 * set sampling rate according to the substream
684 */
685static int snd_ps3_set_avsetting(struct snd_pcm_substream *substream)
686{
687 struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream);
688 struct snd_ps3_avsetting_info avs;
689 int ret;
690
691 avs = card->avs;
692
693 pr_debug("%s: called freq=%d width=%d\n", __func__,
694 substream->runtime->rate,
695 snd_pcm_format_width(substream->runtime->format));
696
697 pr_debug("%s: before freq=%d width=%d\n", __func__,
698 card->avs.avs_audio_rate, card->avs.avs_audio_width);
699
700 /* sample rate */
701 switch (substream->runtime->rate) {
702 case 44100:
703 avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_44K;
704 break;
705 case 48000:
706 avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_48K;
707 break;
708 case 88200:
709 avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_88K;
710 break;
711 case 96000:
712 avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_96K;
713 break;
714 default:
715 pr_info("%s: invalid rate %d\n", __func__,
716 substream->runtime->rate);
717 return 1;
718 }
719
720 /* width */
721 switch (snd_pcm_format_width(substream->runtime->format)) {
722 case 16:
723 avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_16;
724 break;
725 case 24:
726 avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_24;
727 break;
728 default:
729 pr_info("%s: invalid width %d\n", __func__,
730 snd_pcm_format_width(substream->runtime->format));
731 return 1;
732 }
733
734 memcpy(avs.avs_cs_info, ps3av_mode_cs_info, 8);
735
736 if (memcmp(&card->avs, &avs, sizeof(avs))) {
737 pr_debug("%s: after freq=%d width=%d\n", __func__,
738 card->avs.avs_audio_rate, card->avs.avs_audio_width);
739
740 card->avs = avs;
741 snd_ps3_change_avsetting(card);
742 ret = 0;
743 } else
744 ret = 1;
745
746 /* check CS non-audio bit and mute accordingly */
747 if (avs.avs_cs_info[0] & 0x02)
748 ps3av_audio_mute_analog(1); /* mute if non-audio */
749 else
750 ps3av_audio_mute_analog(0);
751
752 return ret;
753}
754
755/* 710/*
756 * SPDIF status bits controls 711 * SPDIF status bits controls
757 */ 712 */
@@ -798,28 +753,39 @@ static struct snd_kcontrol_new spdif_ctls[] = {
798 { 753 {
799 .access = SNDRV_CTL_ELEM_ACCESS_READ, 754 .access = SNDRV_CTL_ELEM_ACCESS_READ,
800 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 755 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
801 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), 756 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
802 .info = snd_ps3_spdif_mask_info, 757 .info = snd_ps3_spdif_mask_info,
803 .get = snd_ps3_spdif_cmask_get, 758 .get = snd_ps3_spdif_cmask_get,
804 }, 759 },
805 { 760 {
806 .access = SNDRV_CTL_ELEM_ACCESS_READ, 761 .access = SNDRV_CTL_ELEM_ACCESS_READ,
807 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 762 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
808 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), 763 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
809 .info = snd_ps3_spdif_mask_info, 764 .info = snd_ps3_spdif_mask_info,
810 .get = snd_ps3_spdif_pmask_get, 765 .get = snd_ps3_spdif_pmask_get,
811 }, 766 },
812 { 767 {
813 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 768 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
814 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 769 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
815 .info = snd_ps3_spdif_mask_info, 770 .info = snd_ps3_spdif_mask_info,
816 .get = snd_ps3_spdif_default_get, 771 .get = snd_ps3_spdif_default_get,
817 .put = snd_ps3_spdif_default_put, 772 .put = snd_ps3_spdif_default_put,
818 }, 773 },
819}; 774};
820 775
776static struct snd_pcm_ops snd_ps3_pcm_spdif_ops = {
777 .open = snd_ps3_pcm_open,
778 .close = snd_ps3_pcm_close,
779 .ioctl = snd_pcm_lib_ioctl,
780 .hw_params = snd_ps3_pcm_hw_params,
781 .hw_free = snd_ps3_pcm_hw_free,
782 .prepare = snd_ps3_pcm_prepare,
783 .trigger = snd_ps3_pcm_trigger,
784 .pointer = snd_ps3_pcm_pointer,
785};
786
821 787
822static int snd_ps3_map_mmio(void) 788static int __devinit snd_ps3_map_mmio(void)
823{ 789{
824 the_card.mapped_mmio_vaddr = 790 the_card.mapped_mmio_vaddr =
825 ioremap(the_card.ps3_dev->m_region->bus_addr, 791 ioremap(the_card.ps3_dev->m_region->bus_addr,
@@ -841,7 +807,7 @@ static void snd_ps3_unmap_mmio(void)
841 the_card.mapped_mmio_vaddr = NULL; 807 the_card.mapped_mmio_vaddr = NULL;
842} 808}
843 809
844static int snd_ps3_allocate_irq(void) 810static int __devinit snd_ps3_allocate_irq(void)
845{ 811{
846 int ret; 812 int ret;
847 u64 lpar_addr, lpar_size; 813 u64 lpar_addr, lpar_size;
@@ -899,7 +865,7 @@ static void snd_ps3_free_irq(void)
899 ps3_irq_plug_destroy(the_card.irq_no); 865 ps3_irq_plug_destroy(the_card.irq_no);
900} 866}
901 867
902static void snd_ps3_audio_set_base_addr(uint64_t ioaddr_start) 868static void __devinit snd_ps3_audio_set_base_addr(uint64_t ioaddr_start)
903{ 869{
904 uint64_t val; 870 uint64_t val;
905 int ret; 871 int ret;
@@ -915,7 +881,53 @@ static void snd_ps3_audio_set_base_addr(uint64_t ioaddr_start)
915 ret); 881 ret);
916} 882}
917 883
918static int __init snd_ps3_driver_probe(struct ps3_system_bus_device *dev) 884static void __devinit snd_ps3_audio_fixup(struct snd_ps3_card_info *card)
885{
886 /*
887 * avsetting driver seems to never change the followings
888 * so, init them here once
889 */
890
891 /* no dma interrupt needed */
892 write_reg(PS3_AUDIO_INTR_EN_0, 0);
893
894 /* use every 4 buffer empty interrupt */
895 update_mask_reg(PS3_AUDIO_AX_IC,
896 PS3_AUDIO_AX_IC_AASOIMD_MASK,
897 PS3_AUDIO_AX_IC_AASOIMD_EVERY4);
898
899 /* enable 3wire clocks */
900 update_mask_reg(PS3_AUDIO_AO_3WMCTRL,
901 ~(PS3_AUDIO_AO_3WMCTRL_ASOBCLKD_DISABLED |
902 PS3_AUDIO_AO_3WMCTRL_ASOLRCKD_DISABLED),
903 0);
904 update_reg(PS3_AUDIO_AO_3WMCTRL,
905 PS3_AUDIO_AO_3WMCTRL_ASOPLRCK_DEFAULT);
906}
907
908static int __devinit snd_ps3_init_avsetting(struct snd_ps3_card_info *card)
909{
910 int ret;
911 pr_debug("%s: start\n", __func__);
912 card->avs.avs_audio_ch = PS3AV_CMD_AUDIO_NUM_OF_CH_2;
913 card->avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_48K;
914 card->avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_16;
915 card->avs.avs_audio_format = PS3AV_CMD_AUDIO_FORMAT_PCM;
916 card->avs.avs_audio_source = PS3AV_CMD_AUDIO_SOURCE_SERIAL;
917 memcpy(card->avs.avs_cs_info, ps3av_mode_cs_info, 8);
918
919 ret = snd_ps3_change_avsetting(card);
920
921 snd_ps3_audio_fixup(card);
922
923 /* to start to generate SPDIF signal, fill data */
924 snd_ps3_program_dma(card, SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL);
925 snd_ps3_kick_dma(card);
926 pr_debug("%s: end\n", __func__);
927 return ret;
928}
929
930static int __devinit snd_ps3_driver_probe(struct ps3_system_bus_device *dev)
919{ 931{
920 int i, ret; 932 int i, ret;
921 u64 lpar_addr, lpar_size; 933 u64 lpar_addr, lpar_size;
@@ -1020,11 +1032,12 @@ static int __init snd_ps3_driver_probe(struct ps3_system_bus_device *dev)
1020 * its size should be lager than PS3_AUDIO_FIFO_STAGE_SIZE * 2 1032 * its size should be lager than PS3_AUDIO_FIFO_STAGE_SIZE * 2
1021 * PAGE_SIZE is enogh 1033 * PAGE_SIZE is enogh
1022 */ 1034 */
1023 if (!(the_card.null_buffer_start_vaddr = 1035 the_card.null_buffer_start_vaddr =
1024 dma_alloc_coherent(&the_card.ps3_dev->core, 1036 dma_alloc_coherent(&the_card.ps3_dev->core,
1025 PAGE_SIZE, 1037 PAGE_SIZE,
1026 &the_card.null_buffer_start_dma_addr, 1038 &the_card.null_buffer_start_dma_addr,
1027 GFP_KERNEL))) { 1039 GFP_KERNEL);
1040 if (!the_card.null_buffer_start_vaddr) {
1028 pr_info("%s: nullbuffer alloc failed\n", __func__); 1041 pr_info("%s: nullbuffer alloc failed\n", __func__);
1029 goto clean_preallocate; 1042 goto clean_preallocate;
1030 } 1043 }
@@ -1115,71 +1128,6 @@ static struct ps3_system_bus_driver snd_ps3_bus_driver_info = {
1115 1128
1116 1129
1117/* 1130/*
1118 * Interrupt handler
1119 */
1120static irqreturn_t snd_ps3_interrupt(int irq, void *dev_id)
1121{
1122
1123 uint32_t port_intr;
1124 int underflow_occured = 0;
1125 struct snd_ps3_card_info *card = dev_id;
1126
1127 if (!card->running) {
1128 update_reg(PS3_AUDIO_AX_IS, 0);
1129 update_reg(PS3_AUDIO_INTR_0, 0);
1130 return IRQ_HANDLED;
1131 }
1132
1133 port_intr = read_reg(PS3_AUDIO_AX_IS);
1134 /*
1135 *serial buffer empty detected (every 4 times),
1136 *program next dma and kick it
1137 */
1138 if (port_intr & PS3_AUDIO_AX_IE_ASOBEIE(0)) {
1139 write_reg(PS3_AUDIO_AX_IS, PS3_AUDIO_AX_IE_ASOBEIE(0));
1140 if (port_intr & PS3_AUDIO_AX_IE_ASOBUIE(0)) {
1141 write_reg(PS3_AUDIO_AX_IS, port_intr);
1142 underflow_occured = 1;
1143 }
1144 if (card->silent) {
1145 /* we are still in silent time */
1146 snd_ps3_program_dma(card,
1147 (underflow_occured) ?
1148 SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL :
1149 SND_PS3_DMA_FILLTYPE_SILENT_RUNNING);
1150 snd_ps3_kick_dma(card);
1151 card->silent --;
1152 } else {
1153 snd_ps3_program_dma(card,
1154 (underflow_occured) ?
1155 SND_PS3_DMA_FILLTYPE_FIRSTFILL :
1156 SND_PS3_DMA_FILLTYPE_RUNNING);
1157 snd_ps3_kick_dma(card);
1158 snd_pcm_period_elapsed(card->substream);
1159 }
1160 } else if (port_intr & PS3_AUDIO_AX_IE_ASOBUIE(0)) {
1161 write_reg(PS3_AUDIO_AX_IS, PS3_AUDIO_AX_IE_ASOBUIE(0));
1162 /*
1163 * serial out underflow, but buffer empty not detected.
1164 * in this case, fill fifo with 0 to recover. After
1165 * filling dummy data, serial automatically start to
1166 * consume them and then will generate normal buffer
1167 * empty interrupts.
1168 * If both buffer underflow and buffer empty are occured,
1169 * it is better to do nomal data transfer than empty one
1170 */
1171 snd_ps3_program_dma(card,
1172 SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL);
1173 snd_ps3_kick_dma(card);
1174 snd_ps3_program_dma(card,
1175 SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL);
1176 snd_ps3_kick_dma(card);
1177 }
1178 /* clear interrupt cause */
1179 return IRQ_HANDLED;
1180};
1181
1182/*
1183 * module/subsystem initialize/terminate 1131 * module/subsystem initialize/terminate
1184 */ 1132 */
1185static int __init snd_ps3_init(void) 1133static int __init snd_ps3_init(void)
@@ -1197,10 +1145,15 @@ static int __init snd_ps3_init(void)
1197 1145
1198 return ret; 1146 return ret;
1199} 1147}
1148module_init(snd_ps3_init);
1200 1149
1201static void __exit snd_ps3_exit(void) 1150static void __exit snd_ps3_exit(void)
1202{ 1151{
1203 ps3_system_bus_driver_unregister(&snd_ps3_bus_driver_info); 1152 ps3_system_bus_driver_unregister(&snd_ps3_bus_driver_info);
1204} 1153}
1154module_exit(snd_ps3_exit);
1205 1155
1156MODULE_LICENSE("GPL v2");
1157MODULE_DESCRIPTION("PS3 sound driver");
1158MODULE_AUTHOR("Sony Computer Entertainment Inc.");
1206MODULE_ALIAS(PS3_MODULE_ALIAS_SOUND); 1159MODULE_ALIAS(PS3_MODULE_ALIAS_SOUND);
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-26 07:46:51 -0500