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c454fd4e MM |
1 | /* |
2 | * Audio support for PS3 | |
3 | * Copyright (C) 2007 Sony Computer Entertainment Inc. | |
4 | * All rights reserved. | |
5 | * Copyright 2006, 2007 Sony Corporation | |
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 | |
9 | * as published by the Free Software Foundation; version 2 of the Licence. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | */ | |
20 | ||
cb6492e4 GU |
21 | #include <linux/dma-mapping.h> |
22 | #include <linux/dmapool.h> | |
5a0e3ad6 | 23 | #include <linux/gfp.h> |
c454fd4e | 24 | #include <linux/init.h> |
c454fd4e | 25 | #include <linux/interrupt.h> |
cb6492e4 | 26 | #include <linux/io.h> |
da155d5b | 27 | #include <linux/module.h> |
cb6492e4 GU |
28 | |
29 | #include <sound/asound.h> | |
30 | #include <sound/control.h> | |
c454fd4e MM |
31 | #include <sound/core.h> |
32 | #include <sound/initval.h> | |
c454fd4e | 33 | #include <sound/memalloc.h> |
cb6492e4 | 34 | #include <sound/pcm.h> |
c454fd4e | 35 | #include <sound/pcm_params.h> |
cb6492e4 | 36 | |
c454fd4e | 37 | #include <asm/dma.h> |
cb6492e4 | 38 | #include <asm/firmware.h> |
c454fd4e MM |
39 | #include <asm/lv1call.h> |
40 | #include <asm/ps3.h> | |
41 | #include <asm/ps3av.h> | |
42 | ||
c454fd4e | 43 | #include "snd_ps3.h" |
cb6492e4 | 44 | #include "snd_ps3_reg.h" |
c454fd4e MM |
45 | |
46 | ||
c454fd4e MM |
47 | /* |
48 | * global | |
49 | */ | |
50 | static struct snd_ps3_card_info the_card; | |
51 | ||
52 | static int snd_ps3_start_delay = CONFIG_SND_PS3_DEFAULT_START_DELAY; | |
53 | ||
54 | module_param_named(start_delay, snd_ps3_start_delay, uint, 0644); | |
9380f2af | 55 | MODULE_PARM_DESC(start_delay, "time to insert silent data in ms"); |
c454fd4e MM |
56 | |
57 | static int index = SNDRV_DEFAULT_IDX1; | |
58 | static char *id = SNDRV_DEFAULT_STR1; | |
59 | ||
60 | module_param(index, int, 0444); | |
61 | MODULE_PARM_DESC(index, "Index value for PS3 soundchip."); | |
62 | module_param(id, charp, 0444); | |
63 | MODULE_PARM_DESC(id, "ID string for PS3 soundchip."); | |
64 | ||
65 | ||
66 | /* | |
67 | * PS3 audio register access | |
68 | */ | |
69 | static inline u32 read_reg(unsigned int reg) | |
70 | { | |
71 | return in_be32(the_card.mapped_mmio_vaddr + reg); | |
72 | } | |
73 | static inline void write_reg(unsigned int reg, u32 val) | |
74 | { | |
75 | out_be32(the_card.mapped_mmio_vaddr + reg, val); | |
76 | } | |
77 | static inline void update_reg(unsigned int reg, u32 or_val) | |
78 | { | |
79 | u32 newval = read_reg(reg) | or_val; | |
80 | write_reg(reg, newval); | |
81 | } | |
82 | static inline void update_mask_reg(unsigned int reg, u32 mask, u32 or_val) | |
83 | { | |
84 | u32 newval = (read_reg(reg) & mask) | or_val; | |
85 | write_reg(reg, newval); | |
86 | } | |
87 | ||
88 | /* | |
89 | * ALSA defs | |
90 | */ | |
3f76d984 | 91 | static const struct snd_pcm_hardware snd_ps3_pcm_hw = { |
c454fd4e MM |
92 | .info = (SNDRV_PCM_INFO_MMAP | |
93 | SNDRV_PCM_INFO_NONINTERLEAVED | | |
94 | SNDRV_PCM_INFO_MMAP_VALID), | |
95 | .formats = (SNDRV_PCM_FMTBIT_S16_BE | | |
96 | SNDRV_PCM_FMTBIT_S24_BE), | |
97 | .rates = (SNDRV_PCM_RATE_44100 | | |
98 | SNDRV_PCM_RATE_48000 | | |
99 | SNDRV_PCM_RATE_88200 | | |
100 | SNDRV_PCM_RATE_96000), | |
101 | .rate_min = 44100, | |
102 | .rate_max = 96000, | |
103 | ||
104 | .channels_min = 2, /* stereo only */ | |
105 | .channels_max = 2, | |
106 | ||
107 | .buffer_bytes_max = PS3_AUDIO_FIFO_SIZE * 64, | |
108 | ||
109 | /* interrupt by four stages */ | |
110 | .period_bytes_min = PS3_AUDIO_FIFO_STAGE_SIZE * 4, | |
111 | .period_bytes_max = PS3_AUDIO_FIFO_STAGE_SIZE * 4, | |
112 | ||
113 | .periods_min = 16, | |
114 | .periods_max = 32, /* buffer_size_max/ period_bytes_max */ | |
115 | ||
116 | .fifo_size = PS3_AUDIO_FIFO_SIZE | |
117 | }; | |
118 | ||
c454fd4e MM |
119 | static int snd_ps3_verify_dma_stop(struct snd_ps3_card_info *card, |
120 | int count, int force_stop) | |
121 | { | |
122 | int dma_ch, done, retries, stop_forced = 0; | |
123 | uint32_t status; | |
124 | ||
112ac808 | 125 | for (dma_ch = 0; dma_ch < 8; dma_ch++) { |
c454fd4e MM |
126 | retries = count; |
127 | do { | |
128 | status = read_reg(PS3_AUDIO_KICK(dma_ch)) & | |
129 | PS3_AUDIO_KICK_STATUS_MASK; | |
130 | switch (status) { | |
131 | case PS3_AUDIO_KICK_STATUS_DONE: | |
132 | case PS3_AUDIO_KICK_STATUS_NOTIFY: | |
133 | case PS3_AUDIO_KICK_STATUS_CLEAR: | |
134 | case PS3_AUDIO_KICK_STATUS_ERROR: | |
135 | done = 1; | |
136 | break; | |
137 | default: | |
138 | done = 0; | |
139 | udelay(10); | |
140 | } | |
141 | } while (!done && --retries); | |
142 | if (!retries && force_stop) { | |
143 | pr_info("%s: DMA ch %d is not stopped.", | |
144 | __func__, dma_ch); | |
145 | /* last resort. force to stop dma. | |
146 | * NOTE: this cause DMA done interrupts | |
147 | */ | |
148 | update_reg(PS3_AUDIO_CONFIG, PS3_AUDIO_CONFIG_CLEAR); | |
149 | stop_forced = 1; | |
150 | } | |
151 | } | |
152 | return stop_forced; | |
153 | } | |
154 | ||
155 | /* | |
156 | * wait for all dma is done. | |
157 | * NOTE: caller should reset card->running before call. | |
158 | * If not, the interrupt handler will re-start DMA, | |
159 | * then DMA is never stopped. | |
160 | */ | |
161 | static void snd_ps3_wait_for_dma_stop(struct snd_ps3_card_info *card) | |
162 | { | |
163 | int stop_forced; | |
164 | /* | |
165 | * wait for the last dma is done | |
166 | */ | |
167 | ||
168 | /* | |
169 | * expected maximum DMA done time is 5.7ms + something (DMA itself). | |
170 | * 5.7ms is from 16bit/sample 2ch 44.1Khz; the time next | |
171 | * DMA kick event would occur. | |
172 | */ | |
173 | stop_forced = snd_ps3_verify_dma_stop(card, 700, 1); | |
174 | ||
175 | /* | |
176 | * clear outstanding interrupts. | |
177 | */ | |
178 | update_reg(PS3_AUDIO_INTR_0, 0); | |
179 | update_reg(PS3_AUDIO_AX_IS, 0); | |
180 | ||
181 | /* | |
182 | *revert CLEAR bit since it will not reset automatically after DMA stop | |
183 | */ | |
184 | if (stop_forced) | |
185 | update_mask_reg(PS3_AUDIO_CONFIG, ~PS3_AUDIO_CONFIG_CLEAR, 0); | |
186 | /* ensure the hardware sees changes */ | |
187 | wmb(); | |
188 | } | |
189 | ||
190 | static void snd_ps3_kick_dma(struct snd_ps3_card_info *card) | |
191 | { | |
192 | ||
193 | update_reg(PS3_AUDIO_KICK(0), PS3_AUDIO_KICK_REQUEST); | |
194 | /* ensure the hardware sees the change */ | |
195 | wmb(); | |
196 | } | |
197 | ||
198 | /* | |
199 | * convert virtual addr to ioif bus addr. | |
200 | */ | |
112ac808 | 201 | static dma_addr_t v_to_bus(struct snd_ps3_card_info *card, void *paddr, int ch) |
c454fd4e MM |
202 | { |
203 | return card->dma_start_bus_addr[ch] + | |
204 | (paddr - card->dma_start_vaddr[ch]); | |
205 | }; | |
206 | ||
207 | ||
208 | /* | |
209 | * increment ring buffer pointer. | |
210 | * NOTE: caller must hold write spinlock | |
211 | */ | |
212 | static void snd_ps3_bump_buffer(struct snd_ps3_card_info *card, | |
213 | enum snd_ps3_ch ch, size_t byte_count, | |
214 | int stage) | |
215 | { | |
216 | if (!stage) | |
217 | card->dma_last_transfer_vaddr[ch] = | |
218 | card->dma_next_transfer_vaddr[ch]; | |
219 | card->dma_next_transfer_vaddr[ch] += byte_count; | |
220 | if ((card->dma_start_vaddr[ch] + (card->dma_buffer_size / 2)) <= | |
221 | card->dma_next_transfer_vaddr[ch]) { | |
222 | card->dma_next_transfer_vaddr[ch] = card->dma_start_vaddr[ch]; | |
223 | } | |
224 | } | |
225 | /* | |
226 | * setup dmac to send data to audio and attenuate samples on the ring buffer | |
227 | */ | |
228 | static int snd_ps3_program_dma(struct snd_ps3_card_info *card, | |
229 | enum snd_ps3_dma_filltype filltype) | |
230 | { | |
231 | /* this dmac does not support over 4G */ | |
232 | uint32_t dma_addr; | |
233 | int fill_stages, dma_ch, stage; | |
234 | enum snd_ps3_ch ch; | |
235 | uint32_t ch0_kick_event = 0; /* initialize to mute gcc */ | |
236 | void *start_vaddr; | |
237 | unsigned long irqsave; | |
238 | int silent = 0; | |
239 | ||
240 | switch (filltype) { | |
241 | case SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL: | |
242 | silent = 1; | |
243 | /* intentionally fall thru */ | |
244 | case SND_PS3_DMA_FILLTYPE_FIRSTFILL: | |
245 | ch0_kick_event = PS3_AUDIO_KICK_EVENT_ALWAYS; | |
246 | break; | |
247 | ||
248 | case SND_PS3_DMA_FILLTYPE_SILENT_RUNNING: | |
249 | silent = 1; | |
250 | /* intentionally fall thru */ | |
251 | case SND_PS3_DMA_FILLTYPE_RUNNING: | |
252 | ch0_kick_event = PS3_AUDIO_KICK_EVENT_SERIALOUT0_EMPTY; | |
253 | break; | |
254 | } | |
255 | ||
256 | snd_ps3_verify_dma_stop(card, 700, 0); | |
257 | fill_stages = 4; | |
258 | spin_lock_irqsave(&card->dma_lock, irqsave); | |
259 | for (ch = 0; ch < 2; ch++) { | |
260 | start_vaddr = card->dma_next_transfer_vaddr[0]; | |
112ac808 | 261 | for (stage = 0; stage < fill_stages; stage++) { |
c454fd4e MM |
262 | dma_ch = stage * 2 + ch; |
263 | if (silent) | |
264 | dma_addr = card->null_buffer_start_dma_addr; | |
265 | else | |
266 | dma_addr = | |
267 | v_to_bus(card, | |
268 | card->dma_next_transfer_vaddr[ch], | |
269 | ch); | |
270 | ||
271 | write_reg(PS3_AUDIO_SOURCE(dma_ch), | |
272 | (PS3_AUDIO_SOURCE_TARGET_SYSTEM_MEMORY | | |
273 | dma_addr)); | |
274 | ||
275 | /* dst: fixed to 3wire#0 */ | |
276 | if (ch == 0) | |
277 | write_reg(PS3_AUDIO_DEST(dma_ch), | |
278 | (PS3_AUDIO_DEST_TARGET_AUDIOFIFO | | |
279 | PS3_AUDIO_AO_3W_LDATA(0))); | |
280 | else | |
281 | write_reg(PS3_AUDIO_DEST(dma_ch), | |
282 | (PS3_AUDIO_DEST_TARGET_AUDIOFIFO | | |
283 | PS3_AUDIO_AO_3W_RDATA(0))); | |
284 | ||
285 | /* count always 1 DMA block (1/2 stage = 128 bytes) */ | |
286 | write_reg(PS3_AUDIO_DMASIZE(dma_ch), 0); | |
287 | /* bump pointer if needed */ | |
288 | if (!silent) | |
289 | snd_ps3_bump_buffer(card, ch, | |
290 | PS3_AUDIO_DMAC_BLOCK_SIZE, | |
291 | stage); | |
292 | ||
293 | /* kick event */ | |
294 | if (dma_ch == 0) | |
295 | write_reg(PS3_AUDIO_KICK(dma_ch), | |
296 | ch0_kick_event); | |
297 | else | |
298 | write_reg(PS3_AUDIO_KICK(dma_ch), | |
299 | PS3_AUDIO_KICK_EVENT_AUDIO_DMA(dma_ch | |
300 | - 1) | | |
301 | PS3_AUDIO_KICK_REQUEST); | |
302 | } | |
303 | } | |
304 | /* ensure the hardware sees the change */ | |
305 | wmb(); | |
306 | spin_unlock_irqrestore(&card->dma_lock, irqsave); | |
307 | ||
308 | return 0; | |
309 | } | |
310 | ||
cb6492e4 GU |
311 | /* |
312 | * Interrupt handler | |
313 | */ | |
314 | static irqreturn_t snd_ps3_interrupt(int irq, void *dev_id) | |
315 | { | |
316 | ||
317 | uint32_t port_intr; | |
318 | int underflow_occured = 0; | |
319 | struct snd_ps3_card_info *card = dev_id; | |
320 | ||
321 | if (!card->running) { | |
322 | update_reg(PS3_AUDIO_AX_IS, 0); | |
323 | update_reg(PS3_AUDIO_INTR_0, 0); | |
324 | return IRQ_HANDLED; | |
325 | } | |
326 | ||
327 | port_intr = read_reg(PS3_AUDIO_AX_IS); | |
328 | /* | |
329 | *serial buffer empty detected (every 4 times), | |
330 | *program next dma and kick it | |
331 | */ | |
332 | if (port_intr & PS3_AUDIO_AX_IE_ASOBEIE(0)) { | |
333 | write_reg(PS3_AUDIO_AX_IS, PS3_AUDIO_AX_IE_ASOBEIE(0)); | |
334 | if (port_intr & PS3_AUDIO_AX_IE_ASOBUIE(0)) { | |
335 | write_reg(PS3_AUDIO_AX_IS, port_intr); | |
336 | underflow_occured = 1; | |
337 | } | |
338 | if (card->silent) { | |
339 | /* we are still in silent time */ | |
340 | snd_ps3_program_dma(card, | |
341 | (underflow_occured) ? | |
342 | SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL : | |
343 | SND_PS3_DMA_FILLTYPE_SILENT_RUNNING); | |
344 | snd_ps3_kick_dma(card); | |
345 | card->silent--; | |
346 | } else { | |
347 | snd_ps3_program_dma(card, | |
348 | (underflow_occured) ? | |
349 | SND_PS3_DMA_FILLTYPE_FIRSTFILL : | |
350 | SND_PS3_DMA_FILLTYPE_RUNNING); | |
351 | snd_ps3_kick_dma(card); | |
352 | snd_pcm_period_elapsed(card->substream); | |
353 | } | |
354 | } else if (port_intr & PS3_AUDIO_AX_IE_ASOBUIE(0)) { | |
355 | write_reg(PS3_AUDIO_AX_IS, PS3_AUDIO_AX_IE_ASOBUIE(0)); | |
356 | /* | |
357 | * serial out underflow, but buffer empty not detected. | |
358 | * in this case, fill fifo with 0 to recover. After | |
359 | * filling dummy data, serial automatically start to | |
360 | * consume them and then will generate normal buffer | |
361 | * empty interrupts. | |
25985edc | 362 | * If both buffer underflow and buffer empty are occurred, |
cb6492e4 GU |
363 | * it is better to do nomal data transfer than empty one |
364 | */ | |
365 | snd_ps3_program_dma(card, | |
366 | SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL); | |
367 | snd_ps3_kick_dma(card); | |
368 | snd_ps3_program_dma(card, | |
369 | SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL); | |
370 | snd_ps3_kick_dma(card); | |
371 | } | |
372 | /* clear interrupt cause */ | |
373 | return IRQ_HANDLED; | |
374 | }; | |
375 | ||
c454fd4e MM |
376 | /* |
377 | * audio mute on/off | |
378 | * mute_on : 0 output enabled | |
379 | * 1 mute | |
380 | */ | |
381 | static int snd_ps3_mute(int mute_on) | |
382 | { | |
383 | return ps3av_audio_mute(mute_on); | |
384 | } | |
385 | ||
cb6492e4 GU |
386 | /* |
387 | * av setting | |
388 | * NOTE: calling this function may generate audio interrupt. | |
389 | */ | |
390 | static int snd_ps3_change_avsetting(struct snd_ps3_card_info *card) | |
391 | { | |
392 | int ret, retries, i; | |
393 | pr_debug("%s: start\n", __func__); | |
394 | ||
395 | ret = ps3av_set_audio_mode(card->avs.avs_audio_ch, | |
396 | card->avs.avs_audio_rate, | |
397 | card->avs.avs_audio_width, | |
398 | card->avs.avs_audio_format, | |
399 | card->avs.avs_audio_source); | |
400 | /* | |
401 | * Reset the following unwanted settings: | |
402 | */ | |
403 | ||
404 | /* disable all 3wire buffers */ | |
405 | update_mask_reg(PS3_AUDIO_AO_3WMCTRL, | |
406 | ~(PS3_AUDIO_AO_3WMCTRL_ASOEN(0) | | |
407 | PS3_AUDIO_AO_3WMCTRL_ASOEN(1) | | |
408 | PS3_AUDIO_AO_3WMCTRL_ASOEN(2) | | |
409 | PS3_AUDIO_AO_3WMCTRL_ASOEN(3)), | |
410 | 0); | |
411 | wmb(); /* ensure the hardware sees the change */ | |
412 | /* wait for actually stopped */ | |
413 | retries = 1000; | |
414 | while ((read_reg(PS3_AUDIO_AO_3WMCTRL) & | |
415 | (PS3_AUDIO_AO_3WMCTRL_ASORUN(0) | | |
416 | PS3_AUDIO_AO_3WMCTRL_ASORUN(1) | | |
417 | PS3_AUDIO_AO_3WMCTRL_ASORUN(2) | | |
418 | PS3_AUDIO_AO_3WMCTRL_ASORUN(3))) && | |
419 | --retries) { | |
420 | udelay(1); | |
421 | } | |
422 | ||
423 | /* reset buffer pointer */ | |
424 | for (i = 0; i < 4; i++) { | |
425 | update_reg(PS3_AUDIO_AO_3WCTRL(i), | |
426 | PS3_AUDIO_AO_3WCTRL_ASOBRST_RESET); | |
427 | udelay(10); | |
428 | } | |
429 | wmb(); /* ensure the hardware actually start resetting */ | |
430 | ||
431 | /* enable 3wire#0 buffer */ | |
432 | update_reg(PS3_AUDIO_AO_3WMCTRL, PS3_AUDIO_AO_3WMCTRL_ASOEN(0)); | |
433 | ||
434 | ||
435 | /* In 24bit mode,ALSA inserts a zero byte at first byte of per sample */ | |
436 | update_mask_reg(PS3_AUDIO_AO_3WCTRL(0), | |
437 | ~PS3_AUDIO_AO_3WCTRL_ASODF, | |
438 | PS3_AUDIO_AO_3WCTRL_ASODF_LSB); | |
439 | update_mask_reg(PS3_AUDIO_AO_SPDCTRL(0), | |
440 | ~PS3_AUDIO_AO_SPDCTRL_SPODF, | |
441 | PS3_AUDIO_AO_SPDCTRL_SPODF_LSB); | |
442 | /* ensure all the setting above is written back to register */ | |
443 | wmb(); | |
444 | /* avsetting driver altered AX_IE, caller must reset it if you want */ | |
445 | pr_debug("%s: end\n", __func__); | |
446 | return ret; | |
447 | } | |
448 | ||
449 | /* | |
450 | * set sampling rate according to the substream | |
451 | */ | |
452 | static int snd_ps3_set_avsetting(struct snd_pcm_substream *substream) | |
453 | { | |
454 | struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream); | |
455 | struct snd_ps3_avsetting_info avs; | |
456 | int ret; | |
457 | ||
458 | avs = card->avs; | |
459 | ||
460 | pr_debug("%s: called freq=%d width=%d\n", __func__, | |
461 | substream->runtime->rate, | |
462 | snd_pcm_format_width(substream->runtime->format)); | |
463 | ||
464 | pr_debug("%s: before freq=%d width=%d\n", __func__, | |
465 | card->avs.avs_audio_rate, card->avs.avs_audio_width); | |
466 | ||
467 | /* sample rate */ | |
468 | switch (substream->runtime->rate) { | |
469 | case 44100: | |
470 | avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_44K; | |
471 | break; | |
472 | case 48000: | |
473 | avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_48K; | |
474 | break; | |
475 | case 88200: | |
476 | avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_88K; | |
477 | break; | |
478 | case 96000: | |
479 | avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_96K; | |
480 | break; | |
481 | default: | |
482 | pr_info("%s: invalid rate %d\n", __func__, | |
483 | substream->runtime->rate); | |
484 | return 1; | |
485 | } | |
486 | ||
487 | /* width */ | |
488 | switch (snd_pcm_format_width(substream->runtime->format)) { | |
489 | case 16: | |
490 | avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_16; | |
491 | break; | |
492 | case 24: | |
493 | avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_24; | |
494 | break; | |
495 | default: | |
496 | pr_info("%s: invalid width %d\n", __func__, | |
497 | snd_pcm_format_width(substream->runtime->format)); | |
498 | return 1; | |
499 | } | |
500 | ||
501 | memcpy(avs.avs_cs_info, ps3av_mode_cs_info, 8); | |
502 | ||
503 | if (memcmp(&card->avs, &avs, sizeof(avs))) { | |
504 | pr_debug("%s: after freq=%d width=%d\n", __func__, | |
505 | card->avs.avs_audio_rate, card->avs.avs_audio_width); | |
506 | ||
507 | card->avs = avs; | |
508 | snd_ps3_change_avsetting(card); | |
509 | ret = 0; | |
510 | } else | |
511 | ret = 1; | |
512 | ||
513 | /* check CS non-audio bit and mute accordingly */ | |
514 | if (avs.avs_cs_info[0] & 0x02) | |
515 | ps3av_audio_mute_analog(1); /* mute if non-audio */ | |
516 | else | |
517 | ps3av_audio_mute_analog(0); | |
518 | ||
519 | return ret; | |
520 | } | |
521 | ||
c454fd4e MM |
522 | /* |
523 | * PCM operators | |
524 | */ | |
525 | static int snd_ps3_pcm_open(struct snd_pcm_substream *substream) | |
526 | { | |
527 | struct snd_pcm_runtime *runtime = substream->runtime; | |
528 | struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream); | |
529 | int pcm_index; | |
530 | ||
531 | pcm_index = substream->pcm->device; | |
532 | /* to retrieve substream/runtime in interrupt handler */ | |
533 | card->substream = substream; | |
534 | ||
535 | runtime->hw = snd_ps3_pcm_hw; | |
536 | ||
537 | card->start_delay = snd_ps3_start_delay; | |
538 | ||
539 | /* mute off */ | |
540 | snd_ps3_mute(0); /* this function sleep */ | |
541 | ||
542 | snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, | |
543 | PS3_AUDIO_FIFO_STAGE_SIZE * 4 * 2); | |
544 | return 0; | |
545 | }; | |
546 | ||
cb6492e4 GU |
547 | static int snd_ps3_pcm_close(struct snd_pcm_substream *substream) |
548 | { | |
549 | /* mute on */ | |
550 | snd_ps3_mute(1); | |
551 | return 0; | |
552 | }; | |
553 | ||
c454fd4e MM |
554 | static int snd_ps3_pcm_hw_params(struct snd_pcm_substream *substream, |
555 | struct snd_pcm_hw_params *hw_params) | |
556 | { | |
557 | size_t size; | |
558 | ||
559 | /* alloc transport buffer */ | |
560 | size = params_buffer_bytes(hw_params); | |
561 | snd_pcm_lib_malloc_pages(substream, size); | |
562 | return 0; | |
563 | }; | |
564 | ||
cb6492e4 GU |
565 | static int snd_ps3_pcm_hw_free(struct snd_pcm_substream *substream) |
566 | { | |
44cc4a01 | 567 | return snd_pcm_lib_free_pages(substream); |
cb6492e4 GU |
568 | }; |
569 | ||
c454fd4e MM |
570 | static int snd_ps3_delay_to_bytes(struct snd_pcm_substream *substream, |
571 | unsigned int delay_ms) | |
572 | { | |
573 | int ret; | |
574 | int rate ; | |
575 | ||
576 | rate = substream->runtime->rate; | |
577 | ret = snd_pcm_format_size(substream->runtime->format, | |
578 | rate * delay_ms / 1000) | |
579 | * substream->runtime->channels; | |
580 | ||
147fcf1c | 581 | pr_debug("%s: time=%d rate=%d bytes=%ld, frames=%d, ret=%d\n", |
c454fd4e MM |
582 | __func__, |
583 | delay_ms, | |
584 | rate, | |
585 | snd_pcm_format_size(substream->runtime->format, rate), | |
586 | rate * delay_ms / 1000, | |
587 | ret); | |
588 | ||
589 | return ret; | |
590 | }; | |
591 | ||
592 | static int snd_ps3_pcm_prepare(struct snd_pcm_substream *substream) | |
593 | { | |
594 | struct snd_pcm_runtime *runtime = substream->runtime; | |
595 | struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream); | |
596 | unsigned long irqsave; | |
597 | ||
598 | if (!snd_ps3_set_avsetting(substream)) { | |
599 | /* some parameter changed */ | |
600 | write_reg(PS3_AUDIO_AX_IE, | |
601 | PS3_AUDIO_AX_IE_ASOBEIE(0) | | |
602 | PS3_AUDIO_AX_IE_ASOBUIE(0)); | |
603 | /* | |
604 | * let SPDIF device re-lock with SPDIF signal, | |
605 | * start with some silence | |
606 | */ | |
607 | card->silent = snd_ps3_delay_to_bytes(substream, | |
608 | card->start_delay) / | |
609 | (PS3_AUDIO_FIFO_STAGE_SIZE * 4); /* every 4 times */ | |
610 | } | |
611 | ||
612 | /* restart ring buffer pointer */ | |
613 | spin_lock_irqsave(&card->dma_lock, irqsave); | |
614 | { | |
615 | card->dma_buffer_size = runtime->dma_bytes; | |
616 | ||
617 | card->dma_last_transfer_vaddr[SND_PS3_CH_L] = | |
618 | card->dma_next_transfer_vaddr[SND_PS3_CH_L] = | |
619 | card->dma_start_vaddr[SND_PS3_CH_L] = | |
620 | runtime->dma_area; | |
621 | card->dma_start_bus_addr[SND_PS3_CH_L] = runtime->dma_addr; | |
622 | ||
cb6492e4 GU |
623 | card->dma_last_transfer_vaddr[SND_PS3_CH_R] = |
624 | card->dma_next_transfer_vaddr[SND_PS3_CH_R] = | |
625 | card->dma_start_vaddr[SND_PS3_CH_R] = | |
626 | runtime->dma_area + (runtime->dma_bytes / 2); | |
627 | card->dma_start_bus_addr[SND_PS3_CH_R] = | |
628 | runtime->dma_addr + (runtime->dma_bytes / 2); | |
c454fd4e | 629 | |
cb6492e4 GU |
630 | pr_debug("%s: vaddr=%p bus=%#llx\n", __func__, |
631 | card->dma_start_vaddr[SND_PS3_CH_L], | |
632 | card->dma_start_bus_addr[SND_PS3_CH_L]); | |
c454fd4e | 633 | |
cb6492e4 GU |
634 | } |
635 | spin_unlock_irqrestore(&card->dma_lock, irqsave); | |
c454fd4e | 636 | |
cb6492e4 GU |
637 | /* ensure the hardware sees the change */ |
638 | mb(); | |
639 | ||
640 | return 0; | |
641 | }; | |
642 | ||
643 | static int snd_ps3_pcm_trigger(struct snd_pcm_substream *substream, | |
644 | int cmd) | |
c454fd4e MM |
645 | { |
646 | struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream); | |
cb6492e4 | 647 | int ret = 0; |
c454fd4e | 648 | |
cb6492e4 GU |
649 | switch (cmd) { |
650 | case SNDRV_PCM_TRIGGER_START: | |
651 | /* clear outstanding interrupts */ | |
652 | update_reg(PS3_AUDIO_AX_IS, 0); | |
c454fd4e | 653 | |
cb6492e4 GU |
654 | spin_lock(&card->dma_lock); |
655 | { | |
656 | card->running = 1; | |
657 | } | |
658 | spin_unlock(&card->dma_lock); | |
c454fd4e | 659 | |
cb6492e4 GU |
660 | snd_ps3_program_dma(card, |
661 | SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL); | |
662 | snd_ps3_kick_dma(card); | |
663 | while (read_reg(PS3_AUDIO_KICK(7)) & | |
664 | PS3_AUDIO_KICK_STATUS_MASK) { | |
665 | udelay(1); | |
666 | } | |
667 | snd_ps3_program_dma(card, SND_PS3_DMA_FILLTYPE_SILENT_RUNNING); | |
668 | snd_ps3_kick_dma(card); | |
c454fd4e | 669 | break; |
c454fd4e | 670 | |
cb6492e4 GU |
671 | case SNDRV_PCM_TRIGGER_STOP: |
672 | spin_lock(&card->dma_lock); | |
673 | { | |
674 | card->running = 0; | |
675 | } | |
676 | spin_unlock(&card->dma_lock); | |
677 | snd_ps3_wait_for_dma_stop(card); | |
c454fd4e MM |
678 | break; |
679 | default: | |
cb6492e4 GU |
680 | break; |
681 | ||
c454fd4e MM |
682 | } |
683 | ||
cb6492e4 GU |
684 | return ret; |
685 | }; | |
c454fd4e | 686 | |
cb6492e4 GU |
687 | /* |
688 | * report current pointer | |
689 | */ | |
690 | static snd_pcm_uframes_t snd_ps3_pcm_pointer( | |
691 | struct snd_pcm_substream *substream) | |
692 | { | |
693 | struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream); | |
694 | size_t bytes; | |
695 | snd_pcm_uframes_t ret; | |
c454fd4e | 696 | |
cb6492e4 GU |
697 | spin_lock(&card->dma_lock); |
698 | { | |
699 | bytes = (size_t)(card->dma_last_transfer_vaddr[SND_PS3_CH_L] - | |
700 | card->dma_start_vaddr[SND_PS3_CH_L]); | |
701 | } | |
702 | spin_unlock(&card->dma_lock); | |
1ee2a322 | 703 | |
cb6492e4 | 704 | ret = bytes_to_frames(substream->runtime, bytes * 2); |
1ee2a322 TI |
705 | |
706 | return ret; | |
cb6492e4 | 707 | }; |
1ee2a322 TI |
708 | |
709 | /* | |
710 | * SPDIF status bits controls | |
711 | */ | |
712 | static int snd_ps3_spdif_mask_info(struct snd_kcontrol *kcontrol, | |
713 | struct snd_ctl_elem_info *uinfo) | |
714 | { | |
715 | uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; | |
716 | uinfo->count = 1; | |
717 | return 0; | |
718 | } | |
719 | ||
720 | /* FIXME: ps3av_set_audio_mode() assumes only consumer mode */ | |
721 | static int snd_ps3_spdif_cmask_get(struct snd_kcontrol *kcontrol, | |
722 | struct snd_ctl_elem_value *ucontrol) | |
723 | { | |
724 | memset(ucontrol->value.iec958.status, 0xff, 8); | |
725 | return 0; | |
726 | } | |
727 | ||
728 | static int snd_ps3_spdif_pmask_get(struct snd_kcontrol *kcontrol, | |
729 | struct snd_ctl_elem_value *ucontrol) | |
730 | { | |
731 | return 0; | |
732 | } | |
733 | ||
734 | static int snd_ps3_spdif_default_get(struct snd_kcontrol *kcontrol, | |
735 | struct snd_ctl_elem_value *ucontrol) | |
736 | { | |
737 | memcpy(ucontrol->value.iec958.status, ps3av_mode_cs_info, 8); | |
738 | return 0; | |
739 | } | |
740 | ||
741 | static int snd_ps3_spdif_default_put(struct snd_kcontrol *kcontrol, | |
742 | struct snd_ctl_elem_value *ucontrol) | |
743 | { | |
744 | if (memcmp(ps3av_mode_cs_info, ucontrol->value.iec958.status, 8)) { | |
745 | memcpy(ps3av_mode_cs_info, ucontrol->value.iec958.status, 8); | |
c454fd4e | 746 | return 1; |
1ee2a322 TI |
747 | } |
748 | return 0; | |
c454fd4e MM |
749 | } |
750 | ||
1ee2a322 TI |
751 | static struct snd_kcontrol_new spdif_ctls[] = { |
752 | { | |
753 | .access = SNDRV_CTL_ELEM_ACCESS_READ, | |
754 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, | |
112ac808 | 755 | .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK), |
1ee2a322 TI |
756 | .info = snd_ps3_spdif_mask_info, |
757 | .get = snd_ps3_spdif_cmask_get, | |
758 | }, | |
759 | { | |
760 | .access = SNDRV_CTL_ELEM_ACCESS_READ, | |
761 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, | |
112ac808 | 762 | .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK), |
1ee2a322 TI |
763 | .info = snd_ps3_spdif_mask_info, |
764 | .get = snd_ps3_spdif_pmask_get, | |
765 | }, | |
766 | { | |
767 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, | |
112ac808 | 768 | .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT), |
1ee2a322 TI |
769 | .info = snd_ps3_spdif_mask_info, |
770 | .get = snd_ps3_spdif_default_get, | |
771 | .put = snd_ps3_spdif_default_put, | |
772 | }, | |
773 | }; | |
c454fd4e | 774 | |
cb6492e4 GU |
775 | static struct snd_pcm_ops snd_ps3_pcm_spdif_ops = { |
776 | .open = snd_ps3_pcm_open, | |
777 | .close = snd_ps3_pcm_close, | |
778 | .ioctl = snd_pcm_lib_ioctl, | |
779 | .hw_params = snd_ps3_pcm_hw_params, | |
780 | .hw_free = snd_ps3_pcm_hw_free, | |
781 | .prepare = snd_ps3_pcm_prepare, | |
782 | .trigger = snd_ps3_pcm_trigger, | |
783 | .pointer = snd_ps3_pcm_pointer, | |
784 | }; | |
785 | ||
c454fd4e | 786 | |
5cc3203f | 787 | static int snd_ps3_map_mmio(void) |
c454fd4e MM |
788 | { |
789 | the_card.mapped_mmio_vaddr = | |
790 | ioremap(the_card.ps3_dev->m_region->bus_addr, | |
791 | the_card.ps3_dev->m_region->len); | |
792 | ||
793 | if (!the_card.mapped_mmio_vaddr) { | |
794 | pr_info("%s: ioremap 0 failed p=%#lx l=%#lx \n", | |
795 | __func__, the_card.ps3_dev->m_region->lpar_addr, | |
796 | the_card.ps3_dev->m_region->len); | |
797 | return -ENXIO; | |
798 | } | |
799 | ||
800 | return 0; | |
801 | }; | |
802 | ||
803 | static void snd_ps3_unmap_mmio(void) | |
804 | { | |
805 | iounmap(the_card.mapped_mmio_vaddr); | |
806 | the_card.mapped_mmio_vaddr = NULL; | |
807 | } | |
808 | ||
5cc3203f | 809 | static int snd_ps3_allocate_irq(void) |
c454fd4e MM |
810 | { |
811 | int ret; | |
812 | u64 lpar_addr, lpar_size; | |
813 | u64 __iomem *mapped; | |
814 | ||
815 | /* FIXME: move this to device_init (H/W probe) */ | |
816 | ||
817 | /* get irq outlet */ | |
818 | ret = lv1_gpu_device_map(1, &lpar_addr, &lpar_size); | |
819 | if (ret) { | |
820 | pr_info("%s: device map 1 failed %d\n", __func__, | |
821 | ret); | |
822 | return -ENXIO; | |
823 | } | |
824 | ||
825 | mapped = ioremap(lpar_addr, lpar_size); | |
826 | if (!mapped) { | |
827 | pr_info("%s: ioremap 1 failed \n", __func__); | |
828 | return -ENXIO; | |
829 | } | |
830 | ||
831 | the_card.audio_irq_outlet = in_be64(mapped); | |
832 | ||
833 | iounmap(mapped); | |
834 | ret = lv1_gpu_device_unmap(1); | |
835 | if (ret) | |
836 | pr_info("%s: unmap 1 failed\n", __func__); | |
837 | ||
838 | /* irq */ | |
839 | ret = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, | |
840 | the_card.audio_irq_outlet, | |
841 | &the_card.irq_no); | |
842 | if (ret) { | |
843 | pr_info("%s:ps3_alloc_irq failed (%d)\n", __func__, ret); | |
844 | return ret; | |
845 | } | |
846 | ||
88e24c3a | 847 | ret = request_irq(the_card.irq_no, snd_ps3_interrupt, 0, |
c454fd4e MM |
848 | SND_PS3_DRIVER_NAME, &the_card); |
849 | if (ret) { | |
850 | pr_info("%s: request_irq failed (%d)\n", __func__, ret); | |
851 | goto cleanup_irq; | |
852 | } | |
853 | ||
854 | return 0; | |
855 | ||
856 | cleanup_irq: | |
857 | ps3_irq_plug_destroy(the_card.irq_no); | |
858 | return ret; | |
859 | }; | |
860 | ||
861 | static void snd_ps3_free_irq(void) | |
862 | { | |
863 | free_irq(the_card.irq_no, &the_card); | |
864 | ps3_irq_plug_destroy(the_card.irq_no); | |
865 | } | |
866 | ||
5cc3203f | 867 | static void snd_ps3_audio_set_base_addr(uint64_t ioaddr_start) |
c454fd4e MM |
868 | { |
869 | uint64_t val; | |
870 | int ret; | |
871 | ||
872 | val = (ioaddr_start & (0x0fUL << 32)) >> (32 - 20) | | |
873 | (0x03UL << 24) | | |
874 | (0x0fUL << 12) | | |
875 | (PS3_AUDIO_IOID); | |
876 | ||
9fce85f7 | 877 | ret = lv1_gpu_attribute(0x100, 0x007, val); |
c454fd4e MM |
878 | if (ret) |
879 | pr_info("%s: gpu_attribute failed %d\n", __func__, | |
880 | ret); | |
881 | } | |
882 | ||
5cc3203f | 883 | static void snd_ps3_audio_fixup(struct snd_ps3_card_info *card) |
cb6492e4 GU |
884 | { |
885 | /* | |
4091fb95 | 886 | * avsetting driver seems to never change the following |
cb6492e4 GU |
887 | * so, init them here once |
888 | */ | |
889 | ||
890 | /* no dma interrupt needed */ | |
891 | write_reg(PS3_AUDIO_INTR_EN_0, 0); | |
892 | ||
893 | /* use every 4 buffer empty interrupt */ | |
894 | update_mask_reg(PS3_AUDIO_AX_IC, | |
895 | PS3_AUDIO_AX_IC_AASOIMD_MASK, | |
896 | PS3_AUDIO_AX_IC_AASOIMD_EVERY4); | |
897 | ||
898 | /* enable 3wire clocks */ | |
899 | update_mask_reg(PS3_AUDIO_AO_3WMCTRL, | |
900 | ~(PS3_AUDIO_AO_3WMCTRL_ASOBCLKD_DISABLED | | |
901 | PS3_AUDIO_AO_3WMCTRL_ASOLRCKD_DISABLED), | |
902 | 0); | |
903 | update_reg(PS3_AUDIO_AO_3WMCTRL, | |
904 | PS3_AUDIO_AO_3WMCTRL_ASOPLRCK_DEFAULT); | |
905 | } | |
906 | ||
5cc3203f | 907 | static int snd_ps3_init_avsetting(struct snd_ps3_card_info *card) |
cb6492e4 GU |
908 | { |
909 | int ret; | |
910 | pr_debug("%s: start\n", __func__); | |
911 | card->avs.avs_audio_ch = PS3AV_CMD_AUDIO_NUM_OF_CH_2; | |
912 | card->avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_48K; | |
913 | card->avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_16; | |
914 | card->avs.avs_audio_format = PS3AV_CMD_AUDIO_FORMAT_PCM; | |
915 | card->avs.avs_audio_source = PS3AV_CMD_AUDIO_SOURCE_SERIAL; | |
916 | memcpy(card->avs.avs_cs_info, ps3av_mode_cs_info, 8); | |
917 | ||
918 | ret = snd_ps3_change_avsetting(card); | |
919 | ||
920 | snd_ps3_audio_fixup(card); | |
921 | ||
922 | /* to start to generate SPDIF signal, fill data */ | |
923 | snd_ps3_program_dma(card, SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL); | |
924 | snd_ps3_kick_dma(card); | |
925 | pr_debug("%s: end\n", __func__); | |
926 | return ret; | |
927 | } | |
928 | ||
5cc3203f | 929 | static int snd_ps3_driver_probe(struct ps3_system_bus_device *dev) |
c454fd4e | 930 | { |
1ee2a322 | 931 | int i, ret; |
c454fd4e MM |
932 | u64 lpar_addr, lpar_size; |
933 | ||
025be74c TI |
934 | if (WARN_ON(!firmware_has_feature(FW_FEATURE_PS3_LV1))) |
935 | return -ENODEV; | |
936 | if (WARN_ON(dev->match_id != PS3_MATCH_ID_SOUND)) | |
937 | return -ENODEV; | |
c454fd4e MM |
938 | |
939 | the_card.ps3_dev = dev; | |
940 | ||
941 | ret = ps3_open_hv_device(dev); | |
942 | ||
943 | if (ret) | |
944 | return -ENXIO; | |
945 | ||
946 | /* setup MMIO */ | |
947 | ret = lv1_gpu_device_map(2, &lpar_addr, &lpar_size); | |
948 | if (ret) { | |
949 | pr_info("%s: device map 2 failed %d\n", __func__, ret); | |
950 | goto clean_open; | |
951 | } | |
952 | ps3_mmio_region_init(dev, dev->m_region, lpar_addr, lpar_size, | |
953 | PAGE_SHIFT); | |
954 | ||
955 | ret = snd_ps3_map_mmio(); | |
956 | if (ret) | |
957 | goto clean_dev_map; | |
958 | ||
959 | /* setup DMA area */ | |
960 | ps3_dma_region_init(dev, dev->d_region, | |
961 | PAGE_SHIFT, /* use system page size */ | |
962 | 0, /* dma type; not used */ | |
963 | NULL, | |
964 | _ALIGN_UP(SND_PS3_DMA_REGION_SIZE, PAGE_SIZE)); | |
965 | dev->d_region->ioid = PS3_AUDIO_IOID; | |
966 | ||
967 | ret = ps3_dma_region_create(dev->d_region); | |
968 | if (ret) { | |
969 | pr_info("%s: region_create\n", __func__); | |
970 | goto clean_mmio; | |
971 | } | |
972 | ||
973 | snd_ps3_audio_set_base_addr(dev->d_region->bus_addr); | |
974 | ||
975 | /* CONFIG_SND_PS3_DEFAULT_START_DELAY */ | |
976 | the_card.start_delay = snd_ps3_start_delay; | |
977 | ||
978 | /* irq */ | |
979 | if (snd_ps3_allocate_irq()) { | |
980 | ret = -ENXIO; | |
981 | goto clean_dma_region; | |
982 | } | |
983 | ||
984 | /* create card instance */ | |
10768797 TI |
985 | ret = snd_card_new(&dev->core, index, id, THIS_MODULE, |
986 | 0, &the_card.card); | |
bd7dd77c | 987 | if (ret < 0) |
c454fd4e | 988 | goto clean_irq; |
c454fd4e MM |
989 | |
990 | strcpy(the_card.card->driver, "PS3"); | |
991 | strcpy(the_card.card->shortname, "PS3"); | |
992 | strcpy(the_card.card->longname, "PS3 sound"); | |
1ee2a322 TI |
993 | |
994 | /* create control elements */ | |
995 | for (i = 0; i < ARRAY_SIZE(spdif_ctls); i++) { | |
996 | ret = snd_ctl_add(the_card.card, | |
997 | snd_ctl_new1(&spdif_ctls[i], &the_card)); | |
998 | if (ret < 0) | |
999 | goto clean_card; | |
1000 | } | |
1001 | ||
c454fd4e MM |
1002 | /* create PCM devices instance */ |
1003 | /* NOTE:this driver works assuming pcm:substream = 1:1 */ | |
1004 | ret = snd_pcm_new(the_card.card, | |
1005 | "SPDIF", | |
1006 | 0, /* instance index, will be stored pcm.device*/ | |
1007 | 1, /* output substream */ | |
1008 | 0, /* input substream */ | |
1009 | &(the_card.pcm)); | |
1010 | if (ret) | |
1011 | goto clean_card; | |
1012 | ||
1013 | the_card.pcm->private_data = &the_card; | |
1014 | strcpy(the_card.pcm->name, "SPDIF"); | |
1015 | ||
1016 | /* set pcm ops */ | |
1017 | snd_pcm_set_ops(the_card.pcm, SNDRV_PCM_STREAM_PLAYBACK, | |
1018 | &snd_ps3_pcm_spdif_ops); | |
1019 | ||
1020 | the_card.pcm->info_flags = SNDRV_PCM_INFO_NONINTERLEAVED; | |
1021 | /* pre-alloc PCM DMA buffer*/ | |
1022 | ret = snd_pcm_lib_preallocate_pages_for_all(the_card.pcm, | |
1023 | SNDRV_DMA_TYPE_DEV, | |
1024 | &dev->core, | |
1025 | SND_PS3_PCM_PREALLOC_SIZE, | |
1026 | SND_PS3_PCM_PREALLOC_SIZE); | |
1027 | if (ret < 0) { | |
1028 | pr_info("%s: prealloc failed\n", __func__); | |
1029 | goto clean_card; | |
1030 | } | |
1031 | ||
1032 | /* | |
1033 | * allocate null buffer | |
1034 | * its size should be lager than PS3_AUDIO_FIFO_STAGE_SIZE * 2 | |
1035 | * PAGE_SIZE is enogh | |
1036 | */ | |
112ac808 GU |
1037 | the_card.null_buffer_start_vaddr = |
1038 | dma_alloc_coherent(&the_card.ps3_dev->core, | |
1039 | PAGE_SIZE, | |
1040 | &the_card.null_buffer_start_dma_addr, | |
1041 | GFP_KERNEL); | |
1042 | if (!the_card.null_buffer_start_vaddr) { | |
c454fd4e | 1043 | pr_info("%s: nullbuffer alloc failed\n", __func__); |
c86b9362 | 1044 | ret = -ENOMEM; |
a14e7eb5 | 1045 | goto clean_card; |
c454fd4e | 1046 | } |
26db11af | 1047 | pr_debug("%s: null vaddr=%p dma=%#llx\n", __func__, |
c454fd4e MM |
1048 | the_card.null_buffer_start_vaddr, |
1049 | the_card.null_buffer_start_dma_addr); | |
1050 | /* set default sample rate/word width */ | |
1051 | snd_ps3_init_avsetting(&the_card); | |
1052 | ||
1053 | /* register the card */ | |
1054 | ret = snd_card_register(the_card.card); | |
1055 | if (ret < 0) | |
1056 | goto clean_dma_map; | |
1057 | ||
1058 | pr_info("%s started. start_delay=%dms\n", | |
1059 | the_card.card->longname, the_card.start_delay); | |
1060 | return 0; | |
1061 | ||
1062 | clean_dma_map: | |
1063 | dma_free_coherent(&the_card.ps3_dev->core, | |
1064 | PAGE_SIZE, | |
1065 | the_card.null_buffer_start_vaddr, | |
1066 | the_card.null_buffer_start_dma_addr); | |
c454fd4e MM |
1067 | clean_card: |
1068 | snd_card_free(the_card.card); | |
1069 | clean_irq: | |
1070 | snd_ps3_free_irq(); | |
1071 | clean_dma_region: | |
1072 | ps3_dma_region_free(dev->d_region); | |
1073 | clean_mmio: | |
1074 | snd_ps3_unmap_mmio(); | |
1075 | clean_dev_map: | |
1076 | lv1_gpu_device_unmap(2); | |
1077 | clean_open: | |
1078 | ps3_close_hv_device(dev); | |
1079 | /* | |
1080 | * there is no destructor function to pcm. | |
1081 | * midlayer automatically releases if the card removed | |
1082 | */ | |
1083 | return ret; | |
1084 | }; /* snd_ps3_probe */ | |
1085 | ||
1086 | /* called when module removal */ | |
1087 | static int snd_ps3_driver_remove(struct ps3_system_bus_device *dev) | |
1088 | { | |
1089 | int ret; | |
1090 | pr_info("%s:start id=%d\n", __func__, dev->match_id); | |
1091 | if (dev->match_id != PS3_MATCH_ID_SOUND) | |
1092 | return -ENXIO; | |
1093 | ||
1094 | /* | |
1095 | * ctl and preallocate buffer will be freed in | |
1096 | * snd_card_free | |
1097 | */ | |
1098 | ret = snd_card_free(the_card.card); | |
1099 | if (ret) | |
1100 | pr_info("%s: ctl freecard=%d\n", __func__, ret); | |
1101 | ||
1102 | dma_free_coherent(&dev->core, | |
1103 | PAGE_SIZE, | |
1104 | the_card.null_buffer_start_vaddr, | |
1105 | the_card.null_buffer_start_dma_addr); | |
1106 | ||
1107 | ps3_dma_region_free(dev->d_region); | |
1108 | ||
1109 | snd_ps3_free_irq(); | |
1110 | snd_ps3_unmap_mmio(); | |
1111 | ||
1112 | lv1_gpu_device_unmap(2); | |
1113 | ps3_close_hv_device(dev); | |
1114 | pr_info("%s:end id=%d\n", __func__, dev->match_id); | |
1115 | return 0; | |
1116 | } /* snd_ps3_remove */ | |
1117 | ||
1118 | static struct ps3_system_bus_driver snd_ps3_bus_driver_info = { | |
1119 | .match_id = PS3_MATCH_ID_SOUND, | |
1120 | .probe = snd_ps3_driver_probe, | |
1121 | .remove = snd_ps3_driver_remove, | |
1122 | .shutdown = snd_ps3_driver_remove, | |
1123 | .core = { | |
1124 | .name = SND_PS3_DRIVER_NAME, | |
1125 | .owner = THIS_MODULE, | |
1126 | }, | |
1127 | }; | |
1128 | ||
1129 | ||
c454fd4e MM |
1130 | /* |
1131 | * module/subsystem initialize/terminate | |
1132 | */ | |
1133 | static int __init snd_ps3_init(void) | |
1134 | { | |
1135 | int ret; | |
1136 | ||
1137 | if (!firmware_has_feature(FW_FEATURE_PS3_LV1)) | |
1138 | return -ENXIO; | |
1139 | ||
1140 | memset(&the_card, 0, sizeof(the_card)); | |
1141 | spin_lock_init(&the_card.dma_lock); | |
1142 | ||
1143 | /* register systembus DRIVER, this calls our probe() func */ | |
1144 | ret = ps3_system_bus_driver_register(&snd_ps3_bus_driver_info); | |
1145 | ||
1146 | return ret; | |
1147 | } | |
cb6492e4 | 1148 | module_init(snd_ps3_init); |
c454fd4e MM |
1149 | |
1150 | static void __exit snd_ps3_exit(void) | |
1151 | { | |
1152 | ps3_system_bus_driver_unregister(&snd_ps3_bus_driver_info); | |
1153 | } | |
cb6492e4 | 1154 | module_exit(snd_ps3_exit); |
c454fd4e | 1155 | |
cb6492e4 GU |
1156 | MODULE_LICENSE("GPL v2"); |
1157 | MODULE_DESCRIPTION("PS3 sound driver"); | |
1158 | MODULE_AUTHOR("Sony Computer Entertainment Inc."); | |
c454fd4e | 1159 | MODULE_ALIAS(PS3_MODULE_ALIAS_SOUND); |