1 // SPDX-License-Identifier: GPL-2.0-only
3 * Audio support for PS3
4 * Copyright (C) 2007 Sony Computer Entertainment Inc.
6 * Copyright 2006, 2007 Sony Corporation
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>
15 #include <linux/module.h>
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>
26 #include <asm/firmware.h>
27 #include <asm/lv1call.h>
29 #include <asm/ps3av.h>
32 #include "snd_ps3_reg.h"
38 static struct snd_ps3_card_info the_card;
40 static int snd_ps3_start_delay = CONFIG_SND_PS3_DEFAULT_START_DELAY;
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");
45 static int index = SNDRV_DEFAULT_IDX1;
46 static char *id = SNDRV_DEFAULT_STR1;
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.");
55 * PS3 audio register access
57 static inline u32 read_reg(unsigned int reg)
59 return in_be32(the_card.mapped_mmio_vaddr + reg);
61 static inline void write_reg(unsigned int reg, u32 val)
63 out_be32(the_card.mapped_mmio_vaddr + reg, val);
65 static inline void update_reg(unsigned int reg, u32 or_val)
67 u32 newval = read_reg(reg) | or_val;
68 write_reg(reg, newval);
70 static inline void update_mask_reg(unsigned int reg, u32 mask, u32 or_val)
72 u32 newval = (read_reg(reg) & mask) | or_val;
73 write_reg(reg, newval);
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),
92 .channels_min = 2, /* stereo only */
95 .buffer_bytes_max = PS3_AUDIO_FIFO_SIZE * 64,
97 /* interrupt by four stages */
98 .period_bytes_min = PS3_AUDIO_FIFO_STAGE_SIZE * 4,
99 .period_bytes_max = PS3_AUDIO_FIFO_STAGE_SIZE * 4,
102 .periods_max = 32, /* buffer_size_max/ period_bytes_max */
104 .fifo_size = PS3_AUDIO_FIFO_SIZE
107 static int snd_ps3_verify_dma_stop(struct snd_ps3_card_info *card,
108 int count, int force_stop)
110 int dma_ch, done, retries, stop_forced = 0;
113 for (dma_ch = 0; dma_ch < 8; dma_ch++) {
116 status = read_reg(PS3_AUDIO_KICK(dma_ch)) &
117 PS3_AUDIO_KICK_STATUS_MASK;
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:
129 } while (!done && --retries);
130 if (!retries && force_stop) {
131 pr_info("%s: DMA ch %d is not stopped.",
133 /* last resort. force to stop dma.
134 * NOTE: this cause DMA done interrupts
136 update_reg(PS3_AUDIO_CONFIG, PS3_AUDIO_CONFIG_CLEAR);
144 * wait for all dma is done.
145 * NOTE: caller should reset card->running before call.
146 * If not, the interrupt handler will re-start DMA,
147 * then DMA is never stopped.
149 static void snd_ps3_wait_for_dma_stop(struct snd_ps3_card_info *card)
153 * wait for the last dma is done
157 * expected maximum DMA done time is 5.7ms + something (DMA itself).
158 * 5.7ms is from 16bit/sample 2ch 44.1Khz; the time next
159 * DMA kick event would occur.
161 stop_forced = snd_ps3_verify_dma_stop(card, 700, 1);
164 * clear outstanding interrupts.
166 update_reg(PS3_AUDIO_INTR_0, 0);
167 update_reg(PS3_AUDIO_AX_IS, 0);
170 *revert CLEAR bit since it will not reset automatically after DMA stop
173 update_mask_reg(PS3_AUDIO_CONFIG, ~PS3_AUDIO_CONFIG_CLEAR, 0);
174 /* ensure the hardware sees changes */
178 static void snd_ps3_kick_dma(struct snd_ps3_card_info *card)
181 update_reg(PS3_AUDIO_KICK(0), PS3_AUDIO_KICK_REQUEST);
182 /* ensure the hardware sees the change */
187 * convert virtual addr to ioif bus addr.
189 static dma_addr_t v_to_bus(struct snd_ps3_card_info *card, void *paddr, int ch)
191 return card->dma_start_bus_addr[ch] +
192 (paddr - card->dma_start_vaddr[ch]);
197 * increment ring buffer pointer.
198 * NOTE: caller must hold write spinlock
200 static void snd_ps3_bump_buffer(struct snd_ps3_card_info *card,
201 enum snd_ps3_ch ch, size_t byte_count,
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];
214 * setup dmac to send data to audio and attenuate samples on the ring buffer
216 static int snd_ps3_program_dma(struct snd_ps3_card_info *card,
217 enum snd_ps3_dma_filltype filltype)
219 /* this dmac does not support over 4G */
221 int fill_stages, dma_ch, stage;
223 uint32_t ch0_kick_event = 0; /* initialize to mute gcc */
224 unsigned long irqsave;
228 case SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL:
230 /* intentionally fall thru */
231 case SND_PS3_DMA_FILLTYPE_FIRSTFILL:
232 ch0_kick_event = PS3_AUDIO_KICK_EVENT_ALWAYS;
235 case SND_PS3_DMA_FILLTYPE_SILENT_RUNNING:
237 /* intentionally fall thru */
238 case SND_PS3_DMA_FILLTYPE_RUNNING:
239 ch0_kick_event = PS3_AUDIO_KICK_EVENT_SERIALOUT0_EMPTY;
243 snd_ps3_verify_dma_stop(card, 700, 0);
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;
250 dma_addr = card->null_buffer_start_dma_addr;
254 card->dma_next_transfer_vaddr[ch],
257 write_reg(PS3_AUDIO_SOURCE(dma_ch),
258 (PS3_AUDIO_SOURCE_TARGET_SYSTEM_MEMORY |
261 /* dst: fixed to 3wire#0 */
263 write_reg(PS3_AUDIO_DEST(dma_ch),
264 (PS3_AUDIO_DEST_TARGET_AUDIOFIFO |
265 PS3_AUDIO_AO_3W_LDATA(0)));
267 write_reg(PS3_AUDIO_DEST(dma_ch),
268 (PS3_AUDIO_DEST_TARGET_AUDIOFIFO |
269 PS3_AUDIO_AO_3W_RDATA(0)));
271 /* count always 1 DMA block (1/2 stage = 128 bytes) */
272 write_reg(PS3_AUDIO_DMASIZE(dma_ch), 0);
273 /* bump pointer if needed */
275 snd_ps3_bump_buffer(card, ch,
276 PS3_AUDIO_DMAC_BLOCK_SIZE,
281 write_reg(PS3_AUDIO_KICK(dma_ch),
284 write_reg(PS3_AUDIO_KICK(dma_ch),
285 PS3_AUDIO_KICK_EVENT_AUDIO_DMA(dma_ch
287 PS3_AUDIO_KICK_REQUEST);
290 /* ensure the hardware sees the change */
292 spin_unlock_irqrestore(&card->dma_lock, irqsave);
300 static irqreturn_t snd_ps3_interrupt(int irq, void *dev_id)
304 int underflow_occured = 0;
305 struct snd_ps3_card_info *card = dev_id;
307 if (!card->running) {
308 update_reg(PS3_AUDIO_AX_IS, 0);
309 update_reg(PS3_AUDIO_INTR_0, 0);
313 port_intr = read_reg(PS3_AUDIO_AX_IS);
315 *serial buffer empty detected (every 4 times),
316 *program next dma and kick it
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;
325 /* we are still in silent time */
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);
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);
340 } else if (port_intr & PS3_AUDIO_AX_IE_ASOBUIE(0)) {
341 write_reg(PS3_AUDIO_AX_IS, PS3_AUDIO_AX_IE_ASOBUIE(0));
343 * serial out underflow, but buffer empty not detected.
344 * in this case, fill fifo with 0 to recover. After
345 * filling dummy data, serial automatically start to
346 * consume them and then will generate normal buffer
348 * If both buffer underflow and buffer empty are occurred,
349 * it is better to do nomal data transfer than empty one
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);
358 /* clear interrupt cause */
364 * mute_on : 0 output enabled
367 static int snd_ps3_mute(int mute_on)
369 return ps3av_audio_mute(mute_on);
374 * NOTE: calling this function may generate audio interrupt.
376 static int snd_ps3_change_avsetting(struct snd_ps3_card_info *card)
379 pr_debug("%s: start\n", __func__);
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);
387 * Reset the following unwanted settings:
390 /* disable all 3wire buffers */
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)),
397 wmb(); /* ensure the hardware sees the change */
398 /* wait for actually stopped */
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))) &&
409 /* reset buffer pointer */
410 for (i = 0; i < 4; i++) {
411 update_reg(PS3_AUDIO_AO_3WCTRL(i),
412 PS3_AUDIO_AO_3WCTRL_ASOBRST_RESET);
415 wmb(); /* ensure the hardware actually start resetting */
417 /* enable 3wire#0 buffer */
418 update_reg(PS3_AUDIO_AO_3WMCTRL, PS3_AUDIO_AO_3WMCTRL_ASOEN(0));
421 /* In 24bit mode,ALSA inserts a zero byte at first byte of per sample */
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 /* ensure all the setting above is written back to register */
430 /* avsetting driver altered AX_IE, caller must reset it if you want */
431 pr_debug("%s: end\n", __func__);
436 * set sampling rate according to the substream
438 static int snd_ps3_set_avsetting(struct snd_pcm_substream *substream)
440 struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream);
441 struct snd_ps3_avsetting_info avs;
446 pr_debug("%s: called freq=%d width=%d\n", __func__,
447 substream->runtime->rate,
448 snd_pcm_format_width(substream->runtime->format));
450 pr_debug("%s: before freq=%d width=%d\n", __func__,
451 card->avs.avs_audio_rate, card->avs.avs_audio_width);
454 switch (substream->runtime->rate) {
456 avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_44K;
459 avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_48K;
462 avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_88K;
465 avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_96K;
468 pr_info("%s: invalid rate %d\n", __func__,
469 substream->runtime->rate);
474 switch (snd_pcm_format_width(substream->runtime->format)) {
476 avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_16;
479 avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_24;
482 pr_info("%s: invalid width %d\n", __func__,
483 snd_pcm_format_width(substream->runtime->format));
487 memcpy(avs.avs_cs_info, ps3av_mode_cs_info, 8);
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);
494 snd_ps3_change_avsetting(card);
499 /* check CS non-audio bit and mute accordingly */
500 if (avs.avs_cs_info[0] & 0x02)
501 ps3av_audio_mute_analog(1); /* mute if non-audio */
503 ps3av_audio_mute_analog(0);
511 static int snd_ps3_pcm_open(struct snd_pcm_substream *substream)
513 struct snd_pcm_runtime *runtime = substream->runtime;
514 struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream);
516 /* to retrieve substream/runtime in interrupt handler */
517 card->substream = substream;
519 runtime->hw = snd_ps3_pcm_hw;
521 card->start_delay = snd_ps3_start_delay;
524 snd_ps3_mute(0); /* this function sleep */
526 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
527 PS3_AUDIO_FIFO_STAGE_SIZE * 4 * 2);
531 static int snd_ps3_pcm_close(struct snd_pcm_substream *substream)
538 static int snd_ps3_pcm_hw_params(struct snd_pcm_substream *substream,
539 struct snd_pcm_hw_params *hw_params)
543 /* alloc transport buffer */
544 size = params_buffer_bytes(hw_params);
545 snd_pcm_lib_malloc_pages(substream, size);
549 static int snd_ps3_pcm_hw_free(struct snd_pcm_substream *substream)
551 return snd_pcm_lib_free_pages(substream);
554 static int snd_ps3_delay_to_bytes(struct snd_pcm_substream *substream,
555 unsigned int delay_ms)
560 rate = substream->runtime->rate;
561 ret = snd_pcm_format_size(substream->runtime->format,
562 rate * delay_ms / 1000)
563 * substream->runtime->channels;
565 pr_debug("%s: time=%d rate=%d bytes=%ld, frames=%d, ret=%d\n",
569 snd_pcm_format_size(substream->runtime->format, rate),
570 rate * delay_ms / 1000,
576 static int snd_ps3_pcm_prepare(struct snd_pcm_substream *substream)
578 struct snd_pcm_runtime *runtime = substream->runtime;
579 struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream);
580 unsigned long irqsave;
582 if (!snd_ps3_set_avsetting(substream)) {
583 /* some parameter changed */
584 write_reg(PS3_AUDIO_AX_IE,
585 PS3_AUDIO_AX_IE_ASOBEIE(0) |
586 PS3_AUDIO_AX_IE_ASOBUIE(0));
588 * let SPDIF device re-lock with SPDIF signal,
589 * start with some silence
591 card->silent = snd_ps3_delay_to_bytes(substream,
593 (PS3_AUDIO_FIFO_STAGE_SIZE * 4); /* every 4 times */
596 /* restart ring buffer pointer */
597 spin_lock_irqsave(&card->dma_lock, irqsave);
599 card->dma_buffer_size = runtime->dma_bytes;
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] =
605 card->dma_start_bus_addr[SND_PS3_CH_L] = runtime->dma_addr;
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);
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]);
619 spin_unlock_irqrestore(&card->dma_lock, irqsave);
621 /* ensure the hardware sees the change */
627 static int snd_ps3_pcm_trigger(struct snd_pcm_substream *substream,
630 struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream);
634 case SNDRV_PCM_TRIGGER_START:
635 /* clear outstanding interrupts */
636 update_reg(PS3_AUDIO_AX_IS, 0);
638 spin_lock(&card->dma_lock);
642 spin_unlock(&card->dma_lock);
644 snd_ps3_program_dma(card,
645 SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL);
646 snd_ps3_kick_dma(card);
647 while (read_reg(PS3_AUDIO_KICK(7)) &
648 PS3_AUDIO_KICK_STATUS_MASK) {
651 snd_ps3_program_dma(card, SND_PS3_DMA_FILLTYPE_SILENT_RUNNING);
652 snd_ps3_kick_dma(card);
655 case SNDRV_PCM_TRIGGER_STOP:
656 spin_lock(&card->dma_lock);
660 spin_unlock(&card->dma_lock);
661 snd_ps3_wait_for_dma_stop(card);
672 * report current pointer
674 static snd_pcm_uframes_t snd_ps3_pcm_pointer(
675 struct snd_pcm_substream *substream)
677 struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream);
679 snd_pcm_uframes_t ret;
681 spin_lock(&card->dma_lock);
683 bytes = (size_t)(card->dma_last_transfer_vaddr[SND_PS3_CH_L] -
684 card->dma_start_vaddr[SND_PS3_CH_L]);
686 spin_unlock(&card->dma_lock);
688 ret = bytes_to_frames(substream->runtime, bytes * 2);
694 * SPDIF status bits controls
696 static int snd_ps3_spdif_mask_info(struct snd_kcontrol *kcontrol,
697 struct snd_ctl_elem_info *uinfo)
699 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
704 /* FIXME: ps3av_set_audio_mode() assumes only consumer mode */
705 static int snd_ps3_spdif_cmask_get(struct snd_kcontrol *kcontrol,
706 struct snd_ctl_elem_value *ucontrol)
708 memset(ucontrol->value.iec958.status, 0xff, 8);
712 static int snd_ps3_spdif_pmask_get(struct snd_kcontrol *kcontrol,
713 struct snd_ctl_elem_value *ucontrol)
718 static int snd_ps3_spdif_default_get(struct snd_kcontrol *kcontrol,
719 struct snd_ctl_elem_value *ucontrol)
721 memcpy(ucontrol->value.iec958.status, ps3av_mode_cs_info, 8);
725 static int snd_ps3_spdif_default_put(struct snd_kcontrol *kcontrol,
726 struct snd_ctl_elem_value *ucontrol)
728 if (memcmp(ps3av_mode_cs_info, ucontrol->value.iec958.status, 8)) {
729 memcpy(ps3av_mode_cs_info, ucontrol->value.iec958.status, 8);
735 static struct snd_kcontrol_new spdif_ctls[] = {
737 .access = SNDRV_CTL_ELEM_ACCESS_READ,
738 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
739 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
740 .info = snd_ps3_spdif_mask_info,
741 .get = snd_ps3_spdif_cmask_get,
744 .access = SNDRV_CTL_ELEM_ACCESS_READ,
745 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
746 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
747 .info = snd_ps3_spdif_mask_info,
748 .get = snd_ps3_spdif_pmask_get,
751 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
752 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
753 .info = snd_ps3_spdif_mask_info,
754 .get = snd_ps3_spdif_default_get,
755 .put = snd_ps3_spdif_default_put,
759 static const struct snd_pcm_ops snd_ps3_pcm_spdif_ops = {
760 .open = snd_ps3_pcm_open,
761 .close = snd_ps3_pcm_close,
762 .ioctl = snd_pcm_lib_ioctl,
763 .hw_params = snd_ps3_pcm_hw_params,
764 .hw_free = snd_ps3_pcm_hw_free,
765 .prepare = snd_ps3_pcm_prepare,
766 .trigger = snd_ps3_pcm_trigger,
767 .pointer = snd_ps3_pcm_pointer,
771 static int snd_ps3_map_mmio(void)
773 the_card.mapped_mmio_vaddr =
774 ioremap(the_card.ps3_dev->m_region->bus_addr,
775 the_card.ps3_dev->m_region->len);
777 if (!the_card.mapped_mmio_vaddr) {
778 pr_info("%s: ioremap 0 failed p=%#lx l=%#lx \n",
779 __func__, the_card.ps3_dev->m_region->lpar_addr,
780 the_card.ps3_dev->m_region->len);
787 static void snd_ps3_unmap_mmio(void)
789 iounmap(the_card.mapped_mmio_vaddr);
790 the_card.mapped_mmio_vaddr = NULL;
793 static int snd_ps3_allocate_irq(void)
796 u64 lpar_addr, lpar_size;
799 /* FIXME: move this to device_init (H/W probe) */
802 ret = lv1_gpu_device_map(1, &lpar_addr, &lpar_size);
804 pr_info("%s: device map 1 failed %d\n", __func__,
809 mapped = ioremap(lpar_addr, lpar_size);
811 pr_info("%s: ioremap 1 failed \n", __func__);
815 the_card.audio_irq_outlet = in_be64(mapped);
818 ret = lv1_gpu_device_unmap(1);
820 pr_info("%s: unmap 1 failed\n", __func__);
823 ret = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY,
824 the_card.audio_irq_outlet,
827 pr_info("%s:ps3_alloc_irq failed (%d)\n", __func__, ret);
831 ret = request_irq(the_card.irq_no, snd_ps3_interrupt, 0,
832 SND_PS3_DRIVER_NAME, &the_card);
834 pr_info("%s: request_irq failed (%d)\n", __func__, ret);
841 ps3_irq_plug_destroy(the_card.irq_no);
845 static void snd_ps3_free_irq(void)
847 free_irq(the_card.irq_no, &the_card);
848 ps3_irq_plug_destroy(the_card.irq_no);
851 static void snd_ps3_audio_set_base_addr(uint64_t ioaddr_start)
856 val = (ioaddr_start & (0x0fUL << 32)) >> (32 - 20) |
861 ret = lv1_gpu_attribute(0x100, 0x007, val);
863 pr_info("%s: gpu_attribute failed %d\n", __func__,
867 static void snd_ps3_audio_fixup(struct snd_ps3_card_info *card)
870 * avsetting driver seems to never change the following
871 * so, init them here once
874 /* no dma interrupt needed */
875 write_reg(PS3_AUDIO_INTR_EN_0, 0);
877 /* use every 4 buffer empty interrupt */
878 update_mask_reg(PS3_AUDIO_AX_IC,
879 PS3_AUDIO_AX_IC_AASOIMD_MASK,
880 PS3_AUDIO_AX_IC_AASOIMD_EVERY4);
882 /* enable 3wire clocks */
883 update_mask_reg(PS3_AUDIO_AO_3WMCTRL,
884 ~(PS3_AUDIO_AO_3WMCTRL_ASOBCLKD_DISABLED |
885 PS3_AUDIO_AO_3WMCTRL_ASOLRCKD_DISABLED),
887 update_reg(PS3_AUDIO_AO_3WMCTRL,
888 PS3_AUDIO_AO_3WMCTRL_ASOPLRCK_DEFAULT);
891 static int snd_ps3_init_avsetting(struct snd_ps3_card_info *card)
894 pr_debug("%s: start\n", __func__);
895 card->avs.avs_audio_ch = PS3AV_CMD_AUDIO_NUM_OF_CH_2;
896 card->avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_48K;
897 card->avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_16;
898 card->avs.avs_audio_format = PS3AV_CMD_AUDIO_FORMAT_PCM;
899 card->avs.avs_audio_source = PS3AV_CMD_AUDIO_SOURCE_SERIAL;
900 memcpy(card->avs.avs_cs_info, ps3av_mode_cs_info, 8);
902 ret = snd_ps3_change_avsetting(card);
904 snd_ps3_audio_fixup(card);
906 /* to start to generate SPDIF signal, fill data */
907 snd_ps3_program_dma(card, SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL);
908 snd_ps3_kick_dma(card);
909 pr_debug("%s: end\n", __func__);
913 static int snd_ps3_driver_probe(struct ps3_system_bus_device *dev)
916 u64 lpar_addr, lpar_size;
917 static u64 dummy_mask;
919 if (WARN_ON(!firmware_has_feature(FW_FEATURE_PS3_LV1)))
921 if (WARN_ON(dev->match_id != PS3_MATCH_ID_SOUND))
924 the_card.ps3_dev = dev;
926 ret = ps3_open_hv_device(dev);
932 ret = lv1_gpu_device_map(2, &lpar_addr, &lpar_size);
934 pr_info("%s: device map 2 failed %d\n", __func__, ret);
937 ps3_mmio_region_init(dev, dev->m_region, lpar_addr, lpar_size,
940 ret = snd_ps3_map_mmio();
945 ps3_dma_region_init(dev, dev->d_region,
946 PAGE_SHIFT, /* use system page size */
947 0, /* dma type; not used */
949 _ALIGN_UP(SND_PS3_DMA_REGION_SIZE, PAGE_SIZE));
950 dev->d_region->ioid = PS3_AUDIO_IOID;
952 ret = ps3_dma_region_create(dev->d_region);
954 pr_info("%s: region_create\n", __func__);
958 dummy_mask = DMA_BIT_MASK(32);
959 dev->core.dma_mask = &dummy_mask;
960 dma_set_coherent_mask(&dev->core, dummy_mask);
962 snd_ps3_audio_set_base_addr(dev->d_region->bus_addr);
964 /* CONFIG_SND_PS3_DEFAULT_START_DELAY */
965 the_card.start_delay = snd_ps3_start_delay;
968 if (snd_ps3_allocate_irq()) {
970 goto clean_dma_region;
973 /* create card instance */
974 ret = snd_card_new(&dev->core, index, id, THIS_MODULE,
979 strcpy(the_card.card->driver, "PS3");
980 strcpy(the_card.card->shortname, "PS3");
981 strcpy(the_card.card->longname, "PS3 sound");
983 /* create control elements */
984 for (i = 0; i < ARRAY_SIZE(spdif_ctls); i++) {
985 ret = snd_ctl_add(the_card.card,
986 snd_ctl_new1(&spdif_ctls[i], &the_card));
991 /* create PCM devices instance */
992 /* NOTE:this driver works assuming pcm:substream = 1:1 */
993 ret = snd_pcm_new(the_card.card,
995 0, /* instance index, will be stored pcm.device*/
996 1, /* output substream */
997 0, /* input substream */
1002 the_card.pcm->private_data = &the_card;
1003 strcpy(the_card.pcm->name, "SPDIF");
1006 snd_pcm_set_ops(the_card.pcm, SNDRV_PCM_STREAM_PLAYBACK,
1007 &snd_ps3_pcm_spdif_ops);
1009 the_card.pcm->info_flags = SNDRV_PCM_INFO_NONINTERLEAVED;
1010 /* pre-alloc PCM DMA buffer*/
1011 snd_pcm_lib_preallocate_pages_for_all(the_card.pcm,
1014 SND_PS3_PCM_PREALLOC_SIZE,
1015 SND_PS3_PCM_PREALLOC_SIZE);
1018 * allocate null buffer
1019 * its size should be lager than PS3_AUDIO_FIFO_STAGE_SIZE * 2
1020 * PAGE_SIZE is enogh
1022 the_card.null_buffer_start_vaddr =
1023 dma_alloc_coherent(&the_card.ps3_dev->core,
1025 &the_card.null_buffer_start_dma_addr,
1027 if (!the_card.null_buffer_start_vaddr) {
1028 pr_info("%s: nullbuffer alloc failed\n", __func__);
1032 pr_debug("%s: null vaddr=%p dma=%#llx\n", __func__,
1033 the_card.null_buffer_start_vaddr,
1034 the_card.null_buffer_start_dma_addr);
1035 /* set default sample rate/word width */
1036 snd_ps3_init_avsetting(&the_card);
1038 /* register the card */
1039 ret = snd_card_register(the_card.card);
1043 pr_info("%s started. start_delay=%dms\n",
1044 the_card.card->longname, the_card.start_delay);
1048 dma_free_coherent(&the_card.ps3_dev->core,
1050 the_card.null_buffer_start_vaddr,
1051 the_card.null_buffer_start_dma_addr);
1053 snd_card_free(the_card.card);
1057 ps3_dma_region_free(dev->d_region);
1059 snd_ps3_unmap_mmio();
1061 lv1_gpu_device_unmap(2);
1063 ps3_close_hv_device(dev);
1065 * there is no destructor function to pcm.
1066 * midlayer automatically releases if the card removed
1069 }; /* snd_ps3_probe */
1071 /* called when module removal */
1072 static int snd_ps3_driver_remove(struct ps3_system_bus_device *dev)
1075 pr_info("%s:start id=%d\n", __func__, dev->match_id);
1076 if (dev->match_id != PS3_MATCH_ID_SOUND)
1080 * ctl and preallocate buffer will be freed in
1083 ret = snd_card_free(the_card.card);
1085 pr_info("%s: ctl freecard=%d\n", __func__, ret);
1087 dma_free_coherent(&dev->core,
1089 the_card.null_buffer_start_vaddr,
1090 the_card.null_buffer_start_dma_addr);
1092 ps3_dma_region_free(dev->d_region);
1095 snd_ps3_unmap_mmio();
1097 lv1_gpu_device_unmap(2);
1098 ps3_close_hv_device(dev);
1099 pr_info("%s:end id=%d\n", __func__, dev->match_id);
1101 } /* snd_ps3_remove */
1103 static struct ps3_system_bus_driver snd_ps3_bus_driver_info = {
1104 .match_id = PS3_MATCH_ID_SOUND,
1105 .probe = snd_ps3_driver_probe,
1106 .remove = snd_ps3_driver_remove,
1107 .shutdown = snd_ps3_driver_remove,
1109 .name = SND_PS3_DRIVER_NAME,
1110 .owner = THIS_MODULE,
1116 * module/subsystem initialize/terminate
1118 static int __init snd_ps3_init(void)
1122 if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
1125 memset(&the_card, 0, sizeof(the_card));
1126 spin_lock_init(&the_card.dma_lock);
1128 /* register systembus DRIVER, this calls our probe() func */
1129 ret = ps3_system_bus_driver_register(&snd_ps3_bus_driver_info);
1133 module_init(snd_ps3_init);
1135 static void __exit snd_ps3_exit(void)
1137 ps3_system_bus_driver_unregister(&snd_ps3_bus_driver_info);
1139 module_exit(snd_ps3_exit);
1141 MODULE_LICENSE("GPL v2");
1142 MODULE_DESCRIPTION("PS3 sound driver");
1143 MODULE_AUTHOR("Sony Computer Entertainment Inc.");
1144 MODULE_ALIAS(PS3_MODULE_ALIAS_SOUND);