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e26441b6 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
c454fd4e MM |
2 | /* |
3 | * Audio support for PS3 | |
4 | * Copyright (C) 2007 Sony Computer Entertainment Inc. | |
5 | * All rights reserved. | |
6 | * Copyright 2006, 2007 Sony Corporation | |
c454fd4e MM |
7 | */ |
8 | ||
cb6492e4 GU |
9 | #include <linux/dma-mapping.h> |
10 | #include <linux/dmapool.h> | |
5a0e3ad6 | 11 | #include <linux/gfp.h> |
c454fd4e | 12 | #include <linux/init.h> |
c454fd4e | 13 | #include <linux/interrupt.h> |
cb6492e4 | 14 | #include <linux/io.h> |
da155d5b | 15 | #include <linux/module.h> |
cb6492e4 GU |
16 | |
17 | #include <sound/asound.h> | |
18 | #include <sound/control.h> | |
c454fd4e MM |
19 | #include <sound/core.h> |
20 | #include <sound/initval.h> | |
c454fd4e | 21 | #include <sound/memalloc.h> |
cb6492e4 | 22 | #include <sound/pcm.h> |
c454fd4e | 23 | #include <sound/pcm_params.h> |
cb6492e4 | 24 | |
c454fd4e | 25 | #include <asm/dma.h> |
cb6492e4 | 26 | #include <asm/firmware.h> |
c454fd4e MM |
27 | #include <asm/lv1call.h> |
28 | #include <asm/ps3.h> | |
29 | #include <asm/ps3av.h> | |
30 | ||
c454fd4e | 31 | #include "snd_ps3.h" |
cb6492e4 | 32 | #include "snd_ps3_reg.h" |
c454fd4e MM |
33 | |
34 | ||
c454fd4e MM |
35 | /* |
36 | * global | |
37 | */ | |
38 | static struct snd_ps3_card_info the_card; | |
39 | ||
40 | static int snd_ps3_start_delay = CONFIG_SND_PS3_DEFAULT_START_DELAY; | |
41 | ||
42 | module_param_named(start_delay, snd_ps3_start_delay, uint, 0644); | |
9380f2af | 43 | MODULE_PARM_DESC(start_delay, "time to insert silent data in ms"); |
c454fd4e MM |
44 | |
45 | static int index = SNDRV_DEFAULT_IDX1; | |
46 | static char *id = SNDRV_DEFAULT_STR1; | |
47 | ||
48 | module_param(index, int, 0444); | |
49 | MODULE_PARM_DESC(index, "Index value for PS3 soundchip."); | |
50 | module_param(id, charp, 0444); | |
51 | MODULE_PARM_DESC(id, "ID string for PS3 soundchip."); | |
52 | ||
53 | ||
54 | /* | |
55 | * PS3 audio register access | |
56 | */ | |
57 | static inline u32 read_reg(unsigned int reg) | |
58 | { | |
59 | return in_be32(the_card.mapped_mmio_vaddr + reg); | |
60 | } | |
61 | static inline void write_reg(unsigned int reg, u32 val) | |
62 | { | |
63 | out_be32(the_card.mapped_mmio_vaddr + reg, val); | |
64 | } | |
65 | static inline void update_reg(unsigned int reg, u32 or_val) | |
66 | { | |
67 | u32 newval = read_reg(reg) | or_val; | |
68 | write_reg(reg, newval); | |
69 | } | |
70 | static inline void update_mask_reg(unsigned int reg, u32 mask, u32 or_val) | |
71 | { | |
72 | u32 newval = (read_reg(reg) & mask) | or_val; | |
73 | write_reg(reg, newval); | |
74 | } | |
75 | ||
76 | /* | |
77 | * ALSA defs | |
78 | */ | |
3f76d984 | 79 | static const struct snd_pcm_hardware snd_ps3_pcm_hw = { |
c454fd4e MM |
80 | .info = (SNDRV_PCM_INFO_MMAP | |
81 | SNDRV_PCM_INFO_NONINTERLEAVED | | |
82 | SNDRV_PCM_INFO_MMAP_VALID), | |
83 | .formats = (SNDRV_PCM_FMTBIT_S16_BE | | |
84 | SNDRV_PCM_FMTBIT_S24_BE), | |
85 | .rates = (SNDRV_PCM_RATE_44100 | | |
86 | SNDRV_PCM_RATE_48000 | | |
87 | SNDRV_PCM_RATE_88200 | | |
88 | SNDRV_PCM_RATE_96000), | |
89 | .rate_min = 44100, | |
90 | .rate_max = 96000, | |
91 | ||
92 | .channels_min = 2, /* stereo only */ | |
93 | .channels_max = 2, | |
94 | ||
95 | .buffer_bytes_max = PS3_AUDIO_FIFO_SIZE * 64, | |
96 | ||
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, | |
100 | ||
101 | .periods_min = 16, | |
102 | .periods_max = 32, /* buffer_size_max/ period_bytes_max */ | |
103 | ||
104 | .fifo_size = PS3_AUDIO_FIFO_SIZE | |
105 | }; | |
106 | ||
c454fd4e MM |
107 | static int snd_ps3_verify_dma_stop(struct snd_ps3_card_info *card, |
108 | int count, int force_stop) | |
109 | { | |
110 | int dma_ch, done, retries, stop_forced = 0; | |
111 | uint32_t status; | |
112 | ||
112ac808 | 113 | for (dma_ch = 0; dma_ch < 8; dma_ch++) { |
c454fd4e MM |
114 | retries = count; |
115 | do { | |
116 | status = read_reg(PS3_AUDIO_KICK(dma_ch)) & | |
117 | PS3_AUDIO_KICK_STATUS_MASK; | |
118 | switch (status) { | |
119 | case PS3_AUDIO_KICK_STATUS_DONE: | |
120 | case PS3_AUDIO_KICK_STATUS_NOTIFY: | |
121 | case PS3_AUDIO_KICK_STATUS_CLEAR: | |
122 | case PS3_AUDIO_KICK_STATUS_ERROR: | |
123 | done = 1; | |
124 | break; | |
125 | default: | |
126 | done = 0; | |
127 | udelay(10); | |
128 | } | |
129 | } while (!done && --retries); | |
130 | if (!retries && force_stop) { | |
131 | pr_info("%s: DMA ch %d is not stopped.", | |
132 | __func__, dma_ch); | |
133 | /* last resort. force to stop dma. | |
134 | * NOTE: this cause DMA done interrupts | |
135 | */ | |
136 | update_reg(PS3_AUDIO_CONFIG, PS3_AUDIO_CONFIG_CLEAR); | |
137 | stop_forced = 1; | |
138 | } | |
139 | } | |
140 | return stop_forced; | |
141 | } | |
142 | ||
143 | /* | |
144 | * 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. | |
148 | */ | |
149 | static void snd_ps3_wait_for_dma_stop(struct snd_ps3_card_info *card) | |
150 | { | |
151 | int stop_forced; | |
152 | /* | |
153 | * wait for the last dma is done | |
154 | */ | |
155 | ||
156 | /* | |
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. | |
160 | */ | |
161 | stop_forced = snd_ps3_verify_dma_stop(card, 700, 1); | |
162 | ||
163 | /* | |
164 | * clear outstanding interrupts. | |
165 | */ | |
166 | update_reg(PS3_AUDIO_INTR_0, 0); | |
167 | update_reg(PS3_AUDIO_AX_IS, 0); | |
168 | ||
169 | /* | |
170 | *revert CLEAR bit since it will not reset automatically after DMA stop | |
171 | */ | |
172 | if (stop_forced) | |
173 | update_mask_reg(PS3_AUDIO_CONFIG, ~PS3_AUDIO_CONFIG_CLEAR, 0); | |
174 | /* ensure the hardware sees changes */ | |
175 | wmb(); | |
176 | } | |
177 | ||
178 | static void snd_ps3_kick_dma(struct snd_ps3_card_info *card) | |
179 | { | |
180 | ||
181 | update_reg(PS3_AUDIO_KICK(0), PS3_AUDIO_KICK_REQUEST); | |
182 | /* ensure the hardware sees the change */ | |
183 | wmb(); | |
184 | } | |
185 | ||
186 | /* | |
187 | * convert virtual addr to ioif bus addr. | |
188 | */ | |
112ac808 | 189 | static dma_addr_t v_to_bus(struct snd_ps3_card_info *card, void *paddr, int ch) |
c454fd4e MM |
190 | { |
191 | return card->dma_start_bus_addr[ch] + | |
192 | (paddr - card->dma_start_vaddr[ch]); | |
193 | }; | |
194 | ||
195 | ||
196 | /* | |
197 | * increment ring buffer pointer. | |
198 | * NOTE: caller must hold write spinlock | |
199 | */ | |
200 | static void snd_ps3_bump_buffer(struct snd_ps3_card_info *card, | |
201 | enum snd_ps3_ch ch, size_t byte_count, | |
202 | int stage) | |
203 | { | |
204 | if (!stage) | |
205 | card->dma_last_transfer_vaddr[ch] = | |
206 | card->dma_next_transfer_vaddr[ch]; | |
207 | card->dma_next_transfer_vaddr[ch] += byte_count; | |
208 | if ((card->dma_start_vaddr[ch] + (card->dma_buffer_size / 2)) <= | |
209 | card->dma_next_transfer_vaddr[ch]) { | |
210 | card->dma_next_transfer_vaddr[ch] = card->dma_start_vaddr[ch]; | |
211 | } | |
212 | } | |
213 | /* | |
214 | * setup dmac to send data to audio and attenuate samples on the ring buffer | |
215 | */ | |
216 | static int snd_ps3_program_dma(struct snd_ps3_card_info *card, | |
217 | enum snd_ps3_dma_filltype filltype) | |
218 | { | |
219 | /* this dmac does not support over 4G */ | |
220 | uint32_t dma_addr; | |
221 | int fill_stages, dma_ch, stage; | |
222 | enum snd_ps3_ch ch; | |
223 | uint32_t ch0_kick_event = 0; /* initialize to mute gcc */ | |
c454fd4e MM |
224 | unsigned long irqsave; |
225 | int silent = 0; | |
226 | ||
227 | switch (filltype) { | |
228 | case SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL: | |
229 | silent = 1; | |
230 | /* intentionally fall thru */ | |
231 | case SND_PS3_DMA_FILLTYPE_FIRSTFILL: | |
232 | ch0_kick_event = PS3_AUDIO_KICK_EVENT_ALWAYS; | |
233 | break; | |
234 | ||
235 | case SND_PS3_DMA_FILLTYPE_SILENT_RUNNING: | |
236 | silent = 1; | |
237 | /* intentionally fall thru */ | |
238 | case SND_PS3_DMA_FILLTYPE_RUNNING: | |
239 | ch0_kick_event = PS3_AUDIO_KICK_EVENT_SERIALOUT0_EMPTY; | |
240 | break; | |
241 | } | |
242 | ||
243 | snd_ps3_verify_dma_stop(card, 700, 0); | |
244 | fill_stages = 4; | |
245 | spin_lock_irqsave(&card->dma_lock, irqsave); | |
246 | for (ch = 0; ch < 2; ch++) { | |
112ac808 | 247 | for (stage = 0; stage < fill_stages; stage++) { |
c454fd4e MM |
248 | dma_ch = stage * 2 + ch; |
249 | if (silent) | |
250 | dma_addr = card->null_buffer_start_dma_addr; | |
251 | else | |
252 | dma_addr = | |
253 | v_to_bus(card, | |
254 | card->dma_next_transfer_vaddr[ch], | |
255 | ch); | |
256 | ||
257 | write_reg(PS3_AUDIO_SOURCE(dma_ch), | |
258 | (PS3_AUDIO_SOURCE_TARGET_SYSTEM_MEMORY | | |
259 | dma_addr)); | |
260 | ||
261 | /* dst: fixed to 3wire#0 */ | |
262 | if (ch == 0) | |
263 | write_reg(PS3_AUDIO_DEST(dma_ch), | |
264 | (PS3_AUDIO_DEST_TARGET_AUDIOFIFO | | |
265 | PS3_AUDIO_AO_3W_LDATA(0))); | |
266 | else | |
267 | write_reg(PS3_AUDIO_DEST(dma_ch), | |
268 | (PS3_AUDIO_DEST_TARGET_AUDIOFIFO | | |
269 | PS3_AUDIO_AO_3W_RDATA(0))); | |
270 | ||
271 | /* count always 1 DMA block (1/2 stage = 128 bytes) */ | |
272 | write_reg(PS3_AUDIO_DMASIZE(dma_ch), 0); | |
273 | /* bump pointer if needed */ | |
274 | if (!silent) | |
275 | snd_ps3_bump_buffer(card, ch, | |
276 | PS3_AUDIO_DMAC_BLOCK_SIZE, | |
277 | stage); | |
278 | ||
279 | /* kick event */ | |
280 | if (dma_ch == 0) | |
281 | write_reg(PS3_AUDIO_KICK(dma_ch), | |
282 | ch0_kick_event); | |
283 | else | |
284 | write_reg(PS3_AUDIO_KICK(dma_ch), | |
285 | PS3_AUDIO_KICK_EVENT_AUDIO_DMA(dma_ch | |
286 | - 1) | | |
287 | PS3_AUDIO_KICK_REQUEST); | |
288 | } | |
289 | } | |
290 | /* ensure the hardware sees the change */ | |
291 | wmb(); | |
292 | spin_unlock_irqrestore(&card->dma_lock, irqsave); | |
293 | ||
294 | return 0; | |
295 | } | |
296 | ||
cb6492e4 GU |
297 | /* |
298 | * Interrupt handler | |
299 | */ | |
300 | static irqreturn_t snd_ps3_interrupt(int irq, void *dev_id) | |
301 | { | |
302 | ||
303 | uint32_t port_intr; | |
304 | int underflow_occured = 0; | |
305 | struct snd_ps3_card_info *card = dev_id; | |
306 | ||
307 | if (!card->running) { | |
308 | update_reg(PS3_AUDIO_AX_IS, 0); | |
309 | update_reg(PS3_AUDIO_INTR_0, 0); | |
310 | return IRQ_HANDLED; | |
311 | } | |
312 | ||
313 | port_intr = read_reg(PS3_AUDIO_AX_IS); | |
314 | /* | |
315 | *serial buffer empty detected (every 4 times), | |
316 | *program next dma and kick it | |
317 | */ | |
318 | if (port_intr & PS3_AUDIO_AX_IE_ASOBEIE(0)) { | |
319 | write_reg(PS3_AUDIO_AX_IS, PS3_AUDIO_AX_IE_ASOBEIE(0)); | |
320 | if (port_intr & PS3_AUDIO_AX_IE_ASOBUIE(0)) { | |
321 | write_reg(PS3_AUDIO_AX_IS, port_intr); | |
322 | underflow_occured = 1; | |
323 | } | |
324 | if (card->silent) { | |
325 | /* 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); | |
331 | card->silent--; | |
332 | } else { | |
333 | snd_ps3_program_dma(card, | |
334 | (underflow_occured) ? | |
335 | SND_PS3_DMA_FILLTYPE_FIRSTFILL : | |
336 | SND_PS3_DMA_FILLTYPE_RUNNING); | |
337 | snd_ps3_kick_dma(card); | |
338 | snd_pcm_period_elapsed(card->substream); | |
339 | } | |
340 | } else if (port_intr & PS3_AUDIO_AX_IE_ASOBUIE(0)) { | |
341 | write_reg(PS3_AUDIO_AX_IS, PS3_AUDIO_AX_IE_ASOBUIE(0)); | |
342 | /* | |
343 | * 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 | |
347 | * empty interrupts. | |
25985edc | 348 | * If both buffer underflow and buffer empty are occurred, |
cb6492e4 GU |
349 | * it is better to do nomal data transfer than empty one |
350 | */ | |
351 | snd_ps3_program_dma(card, | |
352 | SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL); | |
353 | snd_ps3_kick_dma(card); | |
354 | snd_ps3_program_dma(card, | |
355 | SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL); | |
356 | snd_ps3_kick_dma(card); | |
357 | } | |
358 | /* clear interrupt cause */ | |
359 | return IRQ_HANDLED; | |
360 | }; | |
361 | ||
c454fd4e MM |
362 | /* |
363 | * audio mute on/off | |
364 | * mute_on : 0 output enabled | |
365 | * 1 mute | |
366 | */ | |
367 | static int snd_ps3_mute(int mute_on) | |
368 | { | |
369 | return ps3av_audio_mute(mute_on); | |
370 | } | |
371 | ||
cb6492e4 GU |
372 | /* |
373 | * av setting | |
374 | * NOTE: calling this function may generate audio interrupt. | |
375 | */ | |
376 | static int snd_ps3_change_avsetting(struct snd_ps3_card_info *card) | |
377 | { | |
378 | int ret, retries, i; | |
379 | pr_debug("%s: start\n", __func__); | |
380 | ||
381 | ret = ps3av_set_audio_mode(card->avs.avs_audio_ch, | |
382 | card->avs.avs_audio_rate, | |
383 | card->avs.avs_audio_width, | |
384 | card->avs.avs_audio_format, | |
385 | card->avs.avs_audio_source); | |
386 | /* | |
387 | * Reset the following unwanted settings: | |
388 | */ | |
389 | ||
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)), | |
396 | 0); | |
397 | wmb(); /* ensure the hardware sees the change */ | |
398 | /* wait for actually stopped */ | |
399 | retries = 1000; | |
400 | while ((read_reg(PS3_AUDIO_AO_3WMCTRL) & | |
401 | (PS3_AUDIO_AO_3WMCTRL_ASORUN(0) | | |
402 | PS3_AUDIO_AO_3WMCTRL_ASORUN(1) | | |
403 | PS3_AUDIO_AO_3WMCTRL_ASORUN(2) | | |
404 | PS3_AUDIO_AO_3WMCTRL_ASORUN(3))) && | |
405 | --retries) { | |
406 | udelay(1); | |
407 | } | |
408 | ||
409 | /* 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); | |
413 | udelay(10); | |
414 | } | |
415 | wmb(); /* ensure the hardware actually start resetting */ | |
416 | ||
417 | /* enable 3wire#0 buffer */ | |
418 | update_reg(PS3_AUDIO_AO_3WMCTRL, PS3_AUDIO_AO_3WMCTRL_ASOEN(0)); | |
419 | ||
420 | ||
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 */ | |
429 | wmb(); | |
430 | /* avsetting driver altered AX_IE, caller must reset it if you want */ | |
431 | pr_debug("%s: end\n", __func__); | |
432 | return ret; | |
433 | } | |
434 | ||
435 | /* | |
436 | * set sampling rate according to the substream | |
437 | */ | |
438 | static int snd_ps3_set_avsetting(struct snd_pcm_substream *substream) | |
439 | { | |
440 | struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream); | |
441 | struct snd_ps3_avsetting_info avs; | |
442 | int ret; | |
443 | ||
444 | avs = card->avs; | |
445 | ||
446 | pr_debug("%s: called freq=%d width=%d\n", __func__, | |
447 | substream->runtime->rate, | |
448 | snd_pcm_format_width(substream->runtime->format)); | |
449 | ||
450 | pr_debug("%s: before freq=%d width=%d\n", __func__, | |
451 | card->avs.avs_audio_rate, card->avs.avs_audio_width); | |
452 | ||
453 | /* sample rate */ | |
454 | switch (substream->runtime->rate) { | |
455 | case 44100: | |
456 | avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_44K; | |
457 | break; | |
458 | case 48000: | |
459 | avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_48K; | |
460 | break; | |
461 | case 88200: | |
462 | avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_88K; | |
463 | break; | |
464 | case 96000: | |
465 | avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_96K; | |
466 | break; | |
467 | default: | |
468 | pr_info("%s: invalid rate %d\n", __func__, | |
469 | substream->runtime->rate); | |
470 | return 1; | |
471 | } | |
472 | ||
473 | /* width */ | |
474 | switch (snd_pcm_format_width(substream->runtime->format)) { | |
475 | case 16: | |
476 | avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_16; | |
477 | break; | |
478 | case 24: | |
479 | avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_24; | |
480 | break; | |
481 | default: | |
482 | pr_info("%s: invalid width %d\n", __func__, | |
483 | snd_pcm_format_width(substream->runtime->format)); | |
484 | return 1; | |
485 | } | |
486 | ||
487 | memcpy(avs.avs_cs_info, ps3av_mode_cs_info, 8); | |
488 | ||
489 | if (memcmp(&card->avs, &avs, sizeof(avs))) { | |
490 | pr_debug("%s: after freq=%d width=%d\n", __func__, | |
491 | card->avs.avs_audio_rate, card->avs.avs_audio_width); | |
492 | ||
493 | card->avs = avs; | |
494 | snd_ps3_change_avsetting(card); | |
495 | ret = 0; | |
496 | } else | |
497 | ret = 1; | |
498 | ||
499 | /* 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 */ | |
502 | else | |
503 | ps3av_audio_mute_analog(0); | |
504 | ||
505 | return ret; | |
506 | } | |
507 | ||
c454fd4e MM |
508 | /* |
509 | * PCM operators | |
510 | */ | |
511 | static int snd_ps3_pcm_open(struct snd_pcm_substream *substream) | |
512 | { | |
513 | struct snd_pcm_runtime *runtime = substream->runtime; | |
514 | struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream); | |
c454fd4e | 515 | |
c454fd4e MM |
516 | /* to retrieve substream/runtime in interrupt handler */ |
517 | card->substream = substream; | |
518 | ||
519 | runtime->hw = snd_ps3_pcm_hw; | |
520 | ||
521 | card->start_delay = snd_ps3_start_delay; | |
522 | ||
523 | /* mute off */ | |
524 | snd_ps3_mute(0); /* this function sleep */ | |
525 | ||
526 | snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, | |
527 | PS3_AUDIO_FIFO_STAGE_SIZE * 4 * 2); | |
528 | return 0; | |
529 | }; | |
530 | ||
cb6492e4 GU |
531 | static int snd_ps3_pcm_close(struct snd_pcm_substream *substream) |
532 | { | |
533 | /* mute on */ | |
534 | snd_ps3_mute(1); | |
535 | return 0; | |
536 | }; | |
537 | ||
c454fd4e MM |
538 | static int snd_ps3_delay_to_bytes(struct snd_pcm_substream *substream, |
539 | unsigned int delay_ms) | |
540 | { | |
541 | int ret; | |
542 | int rate ; | |
543 | ||
544 | rate = substream->runtime->rate; | |
545 | ret = snd_pcm_format_size(substream->runtime->format, | |
546 | rate * delay_ms / 1000) | |
547 | * substream->runtime->channels; | |
548 | ||
147fcf1c | 549 | pr_debug("%s: time=%d rate=%d bytes=%ld, frames=%d, ret=%d\n", |
c454fd4e MM |
550 | __func__, |
551 | delay_ms, | |
552 | rate, | |
553 | snd_pcm_format_size(substream->runtime->format, rate), | |
554 | rate * delay_ms / 1000, | |
555 | ret); | |
556 | ||
557 | return ret; | |
558 | }; | |
559 | ||
560 | static int snd_ps3_pcm_prepare(struct snd_pcm_substream *substream) | |
561 | { | |
562 | struct snd_pcm_runtime *runtime = substream->runtime; | |
563 | struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream); | |
564 | unsigned long irqsave; | |
565 | ||
566 | if (!snd_ps3_set_avsetting(substream)) { | |
567 | /* some parameter changed */ | |
568 | write_reg(PS3_AUDIO_AX_IE, | |
569 | PS3_AUDIO_AX_IE_ASOBEIE(0) | | |
570 | PS3_AUDIO_AX_IE_ASOBUIE(0)); | |
571 | /* | |
572 | * let SPDIF device re-lock with SPDIF signal, | |
573 | * start with some silence | |
574 | */ | |
575 | card->silent = snd_ps3_delay_to_bytes(substream, | |
576 | card->start_delay) / | |
577 | (PS3_AUDIO_FIFO_STAGE_SIZE * 4); /* every 4 times */ | |
578 | } | |
579 | ||
580 | /* restart ring buffer pointer */ | |
581 | spin_lock_irqsave(&card->dma_lock, irqsave); | |
582 | { | |
583 | card->dma_buffer_size = runtime->dma_bytes; | |
584 | ||
585 | card->dma_last_transfer_vaddr[SND_PS3_CH_L] = | |
586 | card->dma_next_transfer_vaddr[SND_PS3_CH_L] = | |
587 | card->dma_start_vaddr[SND_PS3_CH_L] = | |
588 | runtime->dma_area; | |
589 | card->dma_start_bus_addr[SND_PS3_CH_L] = runtime->dma_addr; | |
590 | ||
cb6492e4 GU |
591 | card->dma_last_transfer_vaddr[SND_PS3_CH_R] = |
592 | card->dma_next_transfer_vaddr[SND_PS3_CH_R] = | |
593 | card->dma_start_vaddr[SND_PS3_CH_R] = | |
594 | runtime->dma_area + (runtime->dma_bytes / 2); | |
595 | card->dma_start_bus_addr[SND_PS3_CH_R] = | |
596 | runtime->dma_addr + (runtime->dma_bytes / 2); | |
c454fd4e | 597 | |
cb6492e4 GU |
598 | pr_debug("%s: vaddr=%p bus=%#llx\n", __func__, |
599 | card->dma_start_vaddr[SND_PS3_CH_L], | |
600 | card->dma_start_bus_addr[SND_PS3_CH_L]); | |
c454fd4e | 601 | |
cb6492e4 GU |
602 | } |
603 | spin_unlock_irqrestore(&card->dma_lock, irqsave); | |
c454fd4e | 604 | |
cb6492e4 GU |
605 | /* ensure the hardware sees the change */ |
606 | mb(); | |
607 | ||
608 | return 0; | |
609 | }; | |
610 | ||
611 | static int snd_ps3_pcm_trigger(struct snd_pcm_substream *substream, | |
612 | int cmd) | |
c454fd4e MM |
613 | { |
614 | struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream); | |
c454fd4e | 615 | |
cb6492e4 GU |
616 | switch (cmd) { |
617 | case SNDRV_PCM_TRIGGER_START: | |
618 | /* clear outstanding interrupts */ | |
619 | update_reg(PS3_AUDIO_AX_IS, 0); | |
c454fd4e | 620 | |
cb6492e4 GU |
621 | spin_lock(&card->dma_lock); |
622 | { | |
623 | card->running = 1; | |
624 | } | |
625 | spin_unlock(&card->dma_lock); | |
c454fd4e | 626 | |
cb6492e4 GU |
627 | snd_ps3_program_dma(card, |
628 | SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL); | |
629 | snd_ps3_kick_dma(card); | |
630 | while (read_reg(PS3_AUDIO_KICK(7)) & | |
631 | PS3_AUDIO_KICK_STATUS_MASK) { | |
632 | udelay(1); | |
633 | } | |
634 | snd_ps3_program_dma(card, SND_PS3_DMA_FILLTYPE_SILENT_RUNNING); | |
635 | snd_ps3_kick_dma(card); | |
c454fd4e | 636 | break; |
c454fd4e | 637 | |
cb6492e4 GU |
638 | case SNDRV_PCM_TRIGGER_STOP: |
639 | spin_lock(&card->dma_lock); | |
640 | { | |
641 | card->running = 0; | |
642 | } | |
643 | spin_unlock(&card->dma_lock); | |
644 | snd_ps3_wait_for_dma_stop(card); | |
c454fd4e MM |
645 | break; |
646 | default: | |
cb6492e4 GU |
647 | break; |
648 | ||
c454fd4e MM |
649 | } |
650 | ||
73948ca0 | 651 | return 0; |
cb6492e4 | 652 | }; |
c454fd4e | 653 | |
cb6492e4 GU |
654 | /* |
655 | * report current pointer | |
656 | */ | |
657 | static snd_pcm_uframes_t snd_ps3_pcm_pointer( | |
658 | struct snd_pcm_substream *substream) | |
659 | { | |
660 | struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream); | |
661 | size_t bytes; | |
662 | snd_pcm_uframes_t ret; | |
c454fd4e | 663 | |
cb6492e4 GU |
664 | spin_lock(&card->dma_lock); |
665 | { | |
666 | bytes = (size_t)(card->dma_last_transfer_vaddr[SND_PS3_CH_L] - | |
667 | card->dma_start_vaddr[SND_PS3_CH_L]); | |
668 | } | |
669 | spin_unlock(&card->dma_lock); | |
1ee2a322 | 670 | |
cb6492e4 | 671 | ret = bytes_to_frames(substream->runtime, bytes * 2); |
1ee2a322 TI |
672 | |
673 | return ret; | |
cb6492e4 | 674 | }; |
1ee2a322 TI |
675 | |
676 | /* | |
677 | * SPDIF status bits controls | |
678 | */ | |
679 | static int snd_ps3_spdif_mask_info(struct snd_kcontrol *kcontrol, | |
680 | struct snd_ctl_elem_info *uinfo) | |
681 | { | |
682 | uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; | |
683 | uinfo->count = 1; | |
684 | return 0; | |
685 | } | |
686 | ||
687 | /* FIXME: ps3av_set_audio_mode() assumes only consumer mode */ | |
688 | static int snd_ps3_spdif_cmask_get(struct snd_kcontrol *kcontrol, | |
689 | struct snd_ctl_elem_value *ucontrol) | |
690 | { | |
691 | memset(ucontrol->value.iec958.status, 0xff, 8); | |
692 | return 0; | |
693 | } | |
694 | ||
695 | static int snd_ps3_spdif_pmask_get(struct snd_kcontrol *kcontrol, | |
696 | struct snd_ctl_elem_value *ucontrol) | |
697 | { | |
698 | return 0; | |
699 | } | |
700 | ||
701 | static int snd_ps3_spdif_default_get(struct snd_kcontrol *kcontrol, | |
702 | struct snd_ctl_elem_value *ucontrol) | |
703 | { | |
704 | memcpy(ucontrol->value.iec958.status, ps3av_mode_cs_info, 8); | |
705 | return 0; | |
706 | } | |
707 | ||
708 | static int snd_ps3_spdif_default_put(struct snd_kcontrol *kcontrol, | |
709 | struct snd_ctl_elem_value *ucontrol) | |
710 | { | |
711 | if (memcmp(ps3av_mode_cs_info, ucontrol->value.iec958.status, 8)) { | |
712 | memcpy(ps3av_mode_cs_info, ucontrol->value.iec958.status, 8); | |
c454fd4e | 713 | return 1; |
1ee2a322 TI |
714 | } |
715 | return 0; | |
c454fd4e MM |
716 | } |
717 | ||
c031b0cc | 718 | static const struct snd_kcontrol_new spdif_ctls[] = { |
1ee2a322 TI |
719 | { |
720 | .access = SNDRV_CTL_ELEM_ACCESS_READ, | |
721 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, | |
112ac808 | 722 | .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK), |
1ee2a322 TI |
723 | .info = snd_ps3_spdif_mask_info, |
724 | .get = snd_ps3_spdif_cmask_get, | |
725 | }, | |
726 | { | |
727 | .access = SNDRV_CTL_ELEM_ACCESS_READ, | |
728 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, | |
112ac808 | 729 | .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK), |
1ee2a322 TI |
730 | .info = snd_ps3_spdif_mask_info, |
731 | .get = snd_ps3_spdif_pmask_get, | |
732 | }, | |
733 | { | |
734 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, | |
112ac808 | 735 | .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT), |
1ee2a322 TI |
736 | .info = snd_ps3_spdif_mask_info, |
737 | .get = snd_ps3_spdif_default_get, | |
738 | .put = snd_ps3_spdif_default_put, | |
739 | }, | |
740 | }; | |
c454fd4e | 741 | |
3179a3ea | 742 | static const struct snd_pcm_ops snd_ps3_pcm_spdif_ops = { |
cb6492e4 GU |
743 | .open = snd_ps3_pcm_open, |
744 | .close = snd_ps3_pcm_close, | |
cb6492e4 GU |
745 | .prepare = snd_ps3_pcm_prepare, |
746 | .trigger = snd_ps3_pcm_trigger, | |
747 | .pointer = snd_ps3_pcm_pointer, | |
748 | }; | |
749 | ||
c454fd4e | 750 | |
5cc3203f | 751 | static int snd_ps3_map_mmio(void) |
c454fd4e MM |
752 | { |
753 | the_card.mapped_mmio_vaddr = | |
754 | ioremap(the_card.ps3_dev->m_region->bus_addr, | |
755 | the_card.ps3_dev->m_region->len); | |
756 | ||
757 | if (!the_card.mapped_mmio_vaddr) { | |
758 | pr_info("%s: ioremap 0 failed p=%#lx l=%#lx \n", | |
759 | __func__, the_card.ps3_dev->m_region->lpar_addr, | |
760 | the_card.ps3_dev->m_region->len); | |
761 | return -ENXIO; | |
762 | } | |
763 | ||
764 | return 0; | |
765 | }; | |
766 | ||
767 | static void snd_ps3_unmap_mmio(void) | |
768 | { | |
769 | iounmap(the_card.mapped_mmio_vaddr); | |
770 | the_card.mapped_mmio_vaddr = NULL; | |
771 | } | |
772 | ||
5cc3203f | 773 | static int snd_ps3_allocate_irq(void) |
c454fd4e MM |
774 | { |
775 | int ret; | |
776 | u64 lpar_addr, lpar_size; | |
777 | u64 __iomem *mapped; | |
778 | ||
779 | /* FIXME: move this to device_init (H/W probe) */ | |
780 | ||
781 | /* get irq outlet */ | |
782 | ret = lv1_gpu_device_map(1, &lpar_addr, &lpar_size); | |
783 | if (ret) { | |
784 | pr_info("%s: device map 1 failed %d\n", __func__, | |
785 | ret); | |
786 | return -ENXIO; | |
787 | } | |
788 | ||
789 | mapped = ioremap(lpar_addr, lpar_size); | |
790 | if (!mapped) { | |
791 | pr_info("%s: ioremap 1 failed \n", __func__); | |
792 | return -ENXIO; | |
793 | } | |
794 | ||
795 | the_card.audio_irq_outlet = in_be64(mapped); | |
796 | ||
797 | iounmap(mapped); | |
798 | ret = lv1_gpu_device_unmap(1); | |
799 | if (ret) | |
800 | pr_info("%s: unmap 1 failed\n", __func__); | |
801 | ||
802 | /* irq */ | |
803 | ret = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, | |
804 | the_card.audio_irq_outlet, | |
805 | &the_card.irq_no); | |
806 | if (ret) { | |
807 | pr_info("%s:ps3_alloc_irq failed (%d)\n", __func__, ret); | |
808 | return ret; | |
809 | } | |
810 | ||
88e24c3a | 811 | ret = request_irq(the_card.irq_no, snd_ps3_interrupt, 0, |
c454fd4e MM |
812 | SND_PS3_DRIVER_NAME, &the_card); |
813 | if (ret) { | |
814 | pr_info("%s: request_irq failed (%d)\n", __func__, ret); | |
815 | goto cleanup_irq; | |
816 | } | |
817 | ||
818 | return 0; | |
819 | ||
820 | cleanup_irq: | |
821 | ps3_irq_plug_destroy(the_card.irq_no); | |
822 | return ret; | |
823 | }; | |
824 | ||
825 | static void snd_ps3_free_irq(void) | |
826 | { | |
827 | free_irq(the_card.irq_no, &the_card); | |
828 | ps3_irq_plug_destroy(the_card.irq_no); | |
829 | } | |
830 | ||
5cc3203f | 831 | static void snd_ps3_audio_set_base_addr(uint64_t ioaddr_start) |
c454fd4e MM |
832 | { |
833 | uint64_t val; | |
834 | int ret; | |
835 | ||
836 | val = (ioaddr_start & (0x0fUL << 32)) >> (32 - 20) | | |
837 | (0x03UL << 24) | | |
838 | (0x0fUL << 12) | | |
839 | (PS3_AUDIO_IOID); | |
840 | ||
9fce85f7 | 841 | ret = lv1_gpu_attribute(0x100, 0x007, val); |
c454fd4e MM |
842 | if (ret) |
843 | pr_info("%s: gpu_attribute failed %d\n", __func__, | |
844 | ret); | |
845 | } | |
846 | ||
5cc3203f | 847 | static void snd_ps3_audio_fixup(struct snd_ps3_card_info *card) |
cb6492e4 GU |
848 | { |
849 | /* | |
4091fb95 | 850 | * avsetting driver seems to never change the following |
cb6492e4 GU |
851 | * so, init them here once |
852 | */ | |
853 | ||
854 | /* no dma interrupt needed */ | |
855 | write_reg(PS3_AUDIO_INTR_EN_0, 0); | |
856 | ||
857 | /* use every 4 buffer empty interrupt */ | |
858 | update_mask_reg(PS3_AUDIO_AX_IC, | |
859 | PS3_AUDIO_AX_IC_AASOIMD_MASK, | |
860 | PS3_AUDIO_AX_IC_AASOIMD_EVERY4); | |
861 | ||
862 | /* enable 3wire clocks */ | |
863 | update_mask_reg(PS3_AUDIO_AO_3WMCTRL, | |
864 | ~(PS3_AUDIO_AO_3WMCTRL_ASOBCLKD_DISABLED | | |
865 | PS3_AUDIO_AO_3WMCTRL_ASOLRCKD_DISABLED), | |
866 | 0); | |
867 | update_reg(PS3_AUDIO_AO_3WMCTRL, | |
868 | PS3_AUDIO_AO_3WMCTRL_ASOPLRCK_DEFAULT); | |
869 | } | |
870 | ||
5cc3203f | 871 | static int snd_ps3_init_avsetting(struct snd_ps3_card_info *card) |
cb6492e4 GU |
872 | { |
873 | int ret; | |
874 | pr_debug("%s: start\n", __func__); | |
875 | card->avs.avs_audio_ch = PS3AV_CMD_AUDIO_NUM_OF_CH_2; | |
876 | card->avs.avs_audio_rate = PS3AV_CMD_AUDIO_FS_48K; | |
877 | card->avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_16; | |
878 | card->avs.avs_audio_format = PS3AV_CMD_AUDIO_FORMAT_PCM; | |
879 | card->avs.avs_audio_source = PS3AV_CMD_AUDIO_SOURCE_SERIAL; | |
880 | memcpy(card->avs.avs_cs_info, ps3av_mode_cs_info, 8); | |
881 | ||
882 | ret = snd_ps3_change_avsetting(card); | |
883 | ||
884 | snd_ps3_audio_fixup(card); | |
885 | ||
886 | /* to start to generate SPDIF signal, fill data */ | |
887 | snd_ps3_program_dma(card, SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL); | |
888 | snd_ps3_kick_dma(card); | |
889 | pr_debug("%s: end\n", __func__); | |
890 | return ret; | |
891 | } | |
892 | ||
5cc3203f | 893 | static int snd_ps3_driver_probe(struct ps3_system_bus_device *dev) |
c454fd4e | 894 | { |
1ee2a322 | 895 | int i, ret; |
c454fd4e | 896 | u64 lpar_addr, lpar_size; |
48e91846 | 897 | static u64 dummy_mask; |
c454fd4e | 898 | |
025be74c TI |
899 | if (WARN_ON(!firmware_has_feature(FW_FEATURE_PS3_LV1))) |
900 | return -ENODEV; | |
901 | if (WARN_ON(dev->match_id != PS3_MATCH_ID_SOUND)) | |
902 | return -ENODEV; | |
c454fd4e MM |
903 | |
904 | the_card.ps3_dev = dev; | |
905 | ||
906 | ret = ps3_open_hv_device(dev); | |
907 | ||
908 | if (ret) | |
909 | return -ENXIO; | |
910 | ||
911 | /* setup MMIO */ | |
912 | ret = lv1_gpu_device_map(2, &lpar_addr, &lpar_size); | |
913 | if (ret) { | |
914 | pr_info("%s: device map 2 failed %d\n", __func__, ret); | |
915 | goto clean_open; | |
916 | } | |
917 | ps3_mmio_region_init(dev, dev->m_region, lpar_addr, lpar_size, | |
918 | PAGE_SHIFT); | |
919 | ||
920 | ret = snd_ps3_map_mmio(); | |
921 | if (ret) | |
922 | goto clean_dev_map; | |
923 | ||
924 | /* setup DMA area */ | |
925 | ps3_dma_region_init(dev, dev->d_region, | |
926 | PAGE_SHIFT, /* use system page size */ | |
927 | 0, /* dma type; not used */ | |
928 | NULL, | |
929 | _ALIGN_UP(SND_PS3_DMA_REGION_SIZE, PAGE_SIZE)); | |
930 | dev->d_region->ioid = PS3_AUDIO_IOID; | |
931 | ||
932 | ret = ps3_dma_region_create(dev->d_region); | |
933 | if (ret) { | |
934 | pr_info("%s: region_create\n", __func__); | |
935 | goto clean_mmio; | |
936 | } | |
937 | ||
48e91846 GL |
938 | dummy_mask = DMA_BIT_MASK(32); |
939 | dev->core.dma_mask = &dummy_mask; | |
940 | dma_set_coherent_mask(&dev->core, dummy_mask); | |
941 | ||
c454fd4e MM |
942 | snd_ps3_audio_set_base_addr(dev->d_region->bus_addr); |
943 | ||
944 | /* CONFIG_SND_PS3_DEFAULT_START_DELAY */ | |
945 | the_card.start_delay = snd_ps3_start_delay; | |
946 | ||
947 | /* irq */ | |
948 | if (snd_ps3_allocate_irq()) { | |
949 | ret = -ENXIO; | |
950 | goto clean_dma_region; | |
951 | } | |
952 | ||
953 | /* create card instance */ | |
10768797 TI |
954 | ret = snd_card_new(&dev->core, index, id, THIS_MODULE, |
955 | 0, &the_card.card); | |
bd7dd77c | 956 | if (ret < 0) |
c454fd4e | 957 | goto clean_irq; |
c454fd4e MM |
958 | |
959 | strcpy(the_card.card->driver, "PS3"); | |
960 | strcpy(the_card.card->shortname, "PS3"); | |
961 | strcpy(the_card.card->longname, "PS3 sound"); | |
1ee2a322 TI |
962 | |
963 | /* create control elements */ | |
964 | for (i = 0; i < ARRAY_SIZE(spdif_ctls); i++) { | |
965 | ret = snd_ctl_add(the_card.card, | |
966 | snd_ctl_new1(&spdif_ctls[i], &the_card)); | |
967 | if (ret < 0) | |
968 | goto clean_card; | |
969 | } | |
970 | ||
c454fd4e MM |
971 | /* create PCM devices instance */ |
972 | /* NOTE:this driver works assuming pcm:substream = 1:1 */ | |
973 | ret = snd_pcm_new(the_card.card, | |
974 | "SPDIF", | |
975 | 0, /* instance index, will be stored pcm.device*/ | |
976 | 1, /* output substream */ | |
977 | 0, /* input substream */ | |
978 | &(the_card.pcm)); | |
979 | if (ret) | |
980 | goto clean_card; | |
981 | ||
982 | the_card.pcm->private_data = &the_card; | |
983 | strcpy(the_card.pcm->name, "SPDIF"); | |
984 | ||
985 | /* set pcm ops */ | |
986 | snd_pcm_set_ops(the_card.pcm, SNDRV_PCM_STREAM_PLAYBACK, | |
987 | &snd_ps3_pcm_spdif_ops); | |
988 | ||
989 | the_card.pcm->info_flags = SNDRV_PCM_INFO_NONINTERLEAVED; | |
990 | /* pre-alloc PCM DMA buffer*/ | |
377d870e TI |
991 | snd_pcm_set_managed_buffer_all(the_card.pcm, |
992 | SNDRV_DMA_TYPE_DEV, | |
993 | &dev->core, | |
994 | SND_PS3_PCM_PREALLOC_SIZE, | |
995 | SND_PS3_PCM_PREALLOC_SIZE); | |
c454fd4e MM |
996 | |
997 | /* | |
998 | * allocate null buffer | |
999 | * its size should be lager than PS3_AUDIO_FIFO_STAGE_SIZE * 2 | |
1000 | * PAGE_SIZE is enogh | |
1001 | */ | |
112ac808 GU |
1002 | the_card.null_buffer_start_vaddr = |
1003 | dma_alloc_coherent(&the_card.ps3_dev->core, | |
1004 | PAGE_SIZE, | |
1005 | &the_card.null_buffer_start_dma_addr, | |
1006 | GFP_KERNEL); | |
1007 | if (!the_card.null_buffer_start_vaddr) { | |
c454fd4e | 1008 | pr_info("%s: nullbuffer alloc failed\n", __func__); |
c86b9362 | 1009 | ret = -ENOMEM; |
a14e7eb5 | 1010 | goto clean_card; |
c454fd4e | 1011 | } |
26db11af | 1012 | pr_debug("%s: null vaddr=%p dma=%#llx\n", __func__, |
c454fd4e MM |
1013 | the_card.null_buffer_start_vaddr, |
1014 | the_card.null_buffer_start_dma_addr); | |
1015 | /* set default sample rate/word width */ | |
1016 | snd_ps3_init_avsetting(&the_card); | |
1017 | ||
1018 | /* register the card */ | |
1019 | ret = snd_card_register(the_card.card); | |
1020 | if (ret < 0) | |
1021 | goto clean_dma_map; | |
1022 | ||
1023 | pr_info("%s started. start_delay=%dms\n", | |
1024 | the_card.card->longname, the_card.start_delay); | |
1025 | return 0; | |
1026 | ||
1027 | clean_dma_map: | |
1028 | dma_free_coherent(&the_card.ps3_dev->core, | |
1029 | PAGE_SIZE, | |
1030 | the_card.null_buffer_start_vaddr, | |
1031 | the_card.null_buffer_start_dma_addr); | |
c454fd4e MM |
1032 | clean_card: |
1033 | snd_card_free(the_card.card); | |
1034 | clean_irq: | |
1035 | snd_ps3_free_irq(); | |
1036 | clean_dma_region: | |
1037 | ps3_dma_region_free(dev->d_region); | |
1038 | clean_mmio: | |
1039 | snd_ps3_unmap_mmio(); | |
1040 | clean_dev_map: | |
1041 | lv1_gpu_device_unmap(2); | |
1042 | clean_open: | |
1043 | ps3_close_hv_device(dev); | |
1044 | /* | |
1045 | * there is no destructor function to pcm. | |
1046 | * midlayer automatically releases if the card removed | |
1047 | */ | |
1048 | return ret; | |
1049 | }; /* snd_ps3_probe */ | |
1050 | ||
1051 | /* called when module removal */ | |
1052 | static int snd_ps3_driver_remove(struct ps3_system_bus_device *dev) | |
1053 | { | |
1054 | int ret; | |
1055 | pr_info("%s:start id=%d\n", __func__, dev->match_id); | |
1056 | if (dev->match_id != PS3_MATCH_ID_SOUND) | |
1057 | return -ENXIO; | |
1058 | ||
1059 | /* | |
1060 | * ctl and preallocate buffer will be freed in | |
1061 | * snd_card_free | |
1062 | */ | |
1063 | ret = snd_card_free(the_card.card); | |
1064 | if (ret) | |
1065 | pr_info("%s: ctl freecard=%d\n", __func__, ret); | |
1066 | ||
1067 | dma_free_coherent(&dev->core, | |
1068 | PAGE_SIZE, | |
1069 | the_card.null_buffer_start_vaddr, | |
1070 | the_card.null_buffer_start_dma_addr); | |
1071 | ||
1072 | ps3_dma_region_free(dev->d_region); | |
1073 | ||
1074 | snd_ps3_free_irq(); | |
1075 | snd_ps3_unmap_mmio(); | |
1076 | ||
1077 | lv1_gpu_device_unmap(2); | |
1078 | ps3_close_hv_device(dev); | |
1079 | pr_info("%s:end id=%d\n", __func__, dev->match_id); | |
1080 | return 0; | |
1081 | } /* snd_ps3_remove */ | |
1082 | ||
1083 | static struct ps3_system_bus_driver snd_ps3_bus_driver_info = { | |
1084 | .match_id = PS3_MATCH_ID_SOUND, | |
1085 | .probe = snd_ps3_driver_probe, | |
1086 | .remove = snd_ps3_driver_remove, | |
1087 | .shutdown = snd_ps3_driver_remove, | |
1088 | .core = { | |
1089 | .name = SND_PS3_DRIVER_NAME, | |
1090 | .owner = THIS_MODULE, | |
1091 | }, | |
1092 | }; | |
1093 | ||
1094 | ||
c454fd4e MM |
1095 | /* |
1096 | * module/subsystem initialize/terminate | |
1097 | */ | |
1098 | static int __init snd_ps3_init(void) | |
1099 | { | |
1100 | int ret; | |
1101 | ||
1102 | if (!firmware_has_feature(FW_FEATURE_PS3_LV1)) | |
1103 | return -ENXIO; | |
1104 | ||
1105 | memset(&the_card, 0, sizeof(the_card)); | |
1106 | spin_lock_init(&the_card.dma_lock); | |
1107 | ||
1108 | /* register systembus DRIVER, this calls our probe() func */ | |
1109 | ret = ps3_system_bus_driver_register(&snd_ps3_bus_driver_info); | |
1110 | ||
1111 | return ret; | |
1112 | } | |
cb6492e4 | 1113 | module_init(snd_ps3_init); |
c454fd4e MM |
1114 | |
1115 | static void __exit snd_ps3_exit(void) | |
1116 | { | |
1117 | ps3_system_bus_driver_unregister(&snd_ps3_bus_driver_info); | |
1118 | } | |
cb6492e4 | 1119 | module_exit(snd_ps3_exit); |
c454fd4e | 1120 | |
cb6492e4 GU |
1121 | MODULE_LICENSE("GPL v2"); |
1122 | MODULE_DESCRIPTION("PS3 sound driver"); | |
1123 | MODULE_AUTHOR("Sony Computer Entertainment Inc."); | |
c454fd4e | 1124 | MODULE_ALIAS(PS3_MODULE_ALIAS_SOUND); |