Commit | Line | Data |
---|---|---|
07539c1d | 1 | /* |
ba9c949f | 2 | * Renesas R-Car SRC support |
07539c1d KM |
3 | * |
4 | * Copyright (C) 2013 Renesas Solutions Corp. | |
5 | * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | |
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 version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
11 | #include "rsnd.h" | |
12 | ||
8aefda50 KM |
13 | #define SRC_NAME "src" |
14 | ||
cfcefe01 KM |
15 | /* SRCx_STATUS */ |
16 | #define OUF_SRCO ((1 << 12) | (1 << 13)) | |
17 | #define OUF_SRCI ((1 << 9) | (1 << 8)) | |
18 | ||
19 | /* SCU_SYSTEM_STATUS0/1 */ | |
20 | #define OUF_SRC(id) ((1 << (id + 16)) | (1 << id)) | |
21 | ||
ba9c949f KM |
22 | struct rsnd_src { |
23 | struct rsnd_src_platform_info *info; /* rcar_snd.h */ | |
07539c1d | 24 | struct rsnd_mod mod; |
232c00b6 | 25 | struct rsnd_dma *dma; |
43cb6954 KM |
26 | struct rsnd_kctrl_cfg_s sen; /* sync convert enable */ |
27 | struct rsnd_kctrl_cfg_s sync; /* sync convert */ | |
3b7843ff | 28 | u32 convert_rate; /* sampling rate convert */ |
cfcefe01 | 29 | int err; |
07539c1d KM |
30 | }; |
31 | ||
ba9c949f | 32 | #define RSND_SRC_NAME_SIZE 16 |
374a5281 | 33 | |
232c00b6 | 34 | #define rsnd_src_to_dma(src) ((src)->dma) |
da599fd3 | 35 | #define rsnd_src_nr(priv) ((priv)->src_nr) |
43cb6954 | 36 | #define rsnd_enable_sync_convert(src) ((src)->sen.val) |
82e76ed3 KM |
37 | #define rsnd_src_of_node(priv) \ |
38 | of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,src") | |
39 | ||
ba9c949f KM |
40 | #define rsnd_mod_to_src(_mod) \ |
41 | container_of((_mod), struct rsnd_src, mod) | |
39cf3c40 | 42 | |
ba9c949f | 43 | #define for_each_rsnd_src(pos, priv, i) \ |
39cf3c40 | 44 | for ((i) = 0; \ |
ba9c949f KM |
45 | ((i) < rsnd_src_nr(priv)) && \ |
46 | ((pos) = (struct rsnd_src *)(priv)->src + i); \ | |
39cf3c40 KM |
47 | i++) |
48 | ||
49 | ||
ef749400 KM |
50 | /* |
51 | * image of SRC (Sampling Rate Converter) | |
52 | * | |
53 | * 96kHz <-> +-----+ 48kHz +-----+ 48kHz +-------+ | |
54 | * 48kHz <-> | SRC | <------> | SSI | <-----> | codec | | |
55 | * 44.1kHz <-> +-----+ +-----+ +-------+ | |
56 | * ... | |
57 | * | |
58 | */ | |
374a5281 | 59 | |
c926b746 | 60 | /* |
ba9c949f | 61 | * src.c is caring... |
c926b746 KM |
62 | * |
63 | * Gen1 | |
64 | * | |
65 | * [mem] -> [SRU] -> [SSI] | |
66 | * |--------| | |
67 | * | |
68 | * Gen2 | |
69 | * | |
ba9c949f | 70 | * [mem] -> [SRC] -> [SSIU] -> [SSI] |
c926b746 KM |
71 | * |-----------------| |
72 | */ | |
73 | ||
41c6221c KM |
74 | /* |
75 | * How to use SRC bypass mode for debugging | |
76 | * | |
77 | * SRC has bypass mode, and it is useful for debugging. | |
78 | * In Gen2 case, | |
79 | * SRCm_MODE controls whether SRC is used or not | |
80 | * SSI_MODE0 controls whether SSIU which receives SRC data | |
81 | * is used or not. | |
82 | * Both SRCm_MODE/SSI_MODE0 settings are needed if you use SRC, | |
83 | * but SRC bypass mode needs SSI_MODE0 only. | |
84 | * | |
85 | * This driver request | |
ba9c949f | 86 | * struct rsnd_src_platform_info { |
41c6221c | 87 | * u32 convert_rate; |
29e69fd2 | 88 | * int dma_id; |
41c6221c KM |
89 | * } |
90 | * | |
ba9c949f | 91 | * rsnd_src_convert_rate() indicates |
41c6221c KM |
92 | * above convert_rate, and it controls |
93 | * whether SRC is used or not. | |
94 | * | |
95 | * ex) doesn't use SRC | |
29e69fd2 KM |
96 | * static struct rsnd_dai_platform_info rsnd_dai = { |
97 | * .playback = { .ssi = &rsnd_ssi[0], }, | |
41c6221c KM |
98 | * }; |
99 | * | |
100 | * ex) uses SRC | |
29e69fd2 KM |
101 | * static struct rsnd_src_platform_info rsnd_src[] = { |
102 | * RSND_SCU(48000, 0), | |
103 | * ... | |
104 | * }; | |
105 | * static struct rsnd_dai_platform_info rsnd_dai = { | |
106 | * .playback = { .ssi = &rsnd_ssi[0], .src = &rsnd_src[0] }, | |
41c6221c KM |
107 | * }; |
108 | * | |
109 | * ex) uses SRC bypass mode | |
29e69fd2 KM |
110 | * static struct rsnd_src_platform_info rsnd_src[] = { |
111 | * RSND_SCU(0, 0), | |
112 | * ... | |
113 | * }; | |
114 | * static struct rsnd_dai_platform_info rsnd_dai = { | |
115 | * .playback = { .ssi = &rsnd_ssi[0], .src = &rsnd_src[0] }, | |
41c6221c KM |
116 | * }; |
117 | * | |
118 | */ | |
119 | ||
1b7b08ef KM |
120 | /* |
121 | * Gen1/Gen2 common functions | |
122 | */ | |
379febfd KM |
123 | static void rsnd_src_soft_reset(struct rsnd_mod *mod) |
124 | { | |
125 | rsnd_mod_write(mod, SRC_SWRSR, 0); | |
126 | rsnd_mod_write(mod, SRC_SWRSR, 1); | |
127 | } | |
128 | ||
d1ade514 KM |
129 | |
130 | #define rsnd_src_initialize_lock(mod) __rsnd_src_initialize_lock(mod, 1) | |
131 | #define rsnd_src_initialize_unlock(mod) __rsnd_src_initialize_lock(mod, 0) | |
132 | static void __rsnd_src_initialize_lock(struct rsnd_mod *mod, u32 enable) | |
133 | { | |
134 | rsnd_mod_write(mod, SRC_SRCIR, enable); | |
135 | } | |
136 | ||
9b99e9a7 KM |
137 | static struct dma_chan *rsnd_src_dma_req(struct rsnd_dai_stream *io, |
138 | struct rsnd_mod *mod) | |
72adc61f KM |
139 | { |
140 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
72adc61f KM |
141 | int is_play = rsnd_io_is_play(io); |
142 | ||
143 | return rsnd_dma_request_channel(rsnd_src_of_node(priv), | |
144 | mod, | |
145 | is_play ? "rx" : "tx"); | |
146 | } | |
147 | ||
d9288d0b | 148 | int rsnd_src_ssiu_start(struct rsnd_mod *ssi_mod, |
4e2639ff | 149 | struct rsnd_dai_stream *io, |
d9288d0b | 150 | int use_busif) |
7b5ce975 | 151 | { |
f708d944 | 152 | struct rsnd_dai *rdai = rsnd_io_to_rdai(io); |
374e5426 | 153 | int ssi_id = rsnd_mod_id(ssi_mod); |
7b5ce975 KM |
154 | |
155 | /* | |
156 | * SSI_MODE0 | |
157 | */ | |
221bf523 | 158 | rsnd_mod_bset(ssi_mod, SSI_MODE0, (1 << ssi_id), |
d9288d0b | 159 | !use_busif << ssi_id); |
7b5ce975 KM |
160 | |
161 | /* | |
162 | * SSI_MODE1 | |
163 | */ | |
b415b4d3 | 164 | if (rsnd_ssi_is_pin_sharing(io)) { |
7b5ce975 | 165 | int shift = -1; |
374e5426 | 166 | switch (ssi_id) { |
7b5ce975 KM |
167 | case 1: |
168 | shift = 0; | |
169 | break; | |
170 | case 2: | |
171 | shift = 2; | |
172 | break; | |
173 | case 4: | |
174 | shift = 16; | |
175 | break; | |
176 | } | |
177 | ||
178 | if (shift >= 0) | |
221bf523 | 179 | rsnd_mod_bset(ssi_mod, SSI_MODE1, |
7b5ce975 | 180 | 0x3 << shift, |
3ed6448c | 181 | rsnd_rdai_is_clk_master(rdai) ? |
7b5ce975 KM |
182 | 0x2 << shift : 0x1 << shift); |
183 | } | |
184 | ||
d9288d0b KM |
185 | /* |
186 | * DMA settings for SSIU | |
187 | */ | |
188 | if (use_busif) { | |
4689032b | 189 | u32 val = rsnd_get_dalign(ssi_mod, io); |
1cc71959 | 190 | |
d9288d0b | 191 | rsnd_mod_write(ssi_mod, SSI_BUSIF_ADINR, |
3023b384 | 192 | rsnd_get_adinr_bit(ssi_mod, io)); |
d9288d0b KM |
193 | rsnd_mod_write(ssi_mod, SSI_BUSIF_MODE, 1); |
194 | rsnd_mod_write(ssi_mod, SSI_CTRL, 0x1); | |
1cc71959 | 195 | |
cdde84d1 | 196 | rsnd_mod_write(ssi_mod, SSI_BUSIF_DALIGN, val); |
d9288d0b KM |
197 | } |
198 | ||
199 | return 0; | |
200 | } | |
201 | ||
4e2639ff KM |
202 | int rsnd_src_ssiu_stop(struct rsnd_mod *ssi_mod, |
203 | struct rsnd_dai_stream *io) | |
d9288d0b KM |
204 | { |
205 | /* | |
206 | * DMA settings for SSIU | |
207 | */ | |
660cdce2 | 208 | rsnd_mod_write(ssi_mod, SSI_CTRL, 0); |
d9288d0b | 209 | |
c17dba8b KM |
210 | return 0; |
211 | } | |
212 | ||
88c61cff KM |
213 | static u32 rsnd_src_convert_rate(struct rsnd_dai_stream *io, |
214 | struct rsnd_src *src) | |
43cb6954 | 215 | { |
43cb6954 KM |
216 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
217 | u32 convert_rate; | |
218 | ||
219 | if (!runtime) | |
220 | return 0; | |
221 | ||
222 | if (!rsnd_enable_sync_convert(src)) | |
223 | return src->convert_rate; | |
224 | ||
225 | convert_rate = src->sync.val; | |
226 | ||
227 | if (!convert_rate) | |
228 | convert_rate = src->convert_rate; | |
229 | ||
230 | if (!convert_rate) | |
231 | convert_rate = runtime->rate; | |
232 | ||
233 | return convert_rate; | |
234 | } | |
235 | ||
ba9c949f | 236 | unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv, |
374e5426 | 237 | struct rsnd_dai_stream *io, |
1b7b08ef KM |
238 | struct snd_pcm_runtime *runtime) |
239 | { | |
b1eac430 | 240 | struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io); |
ba9c949f | 241 | struct rsnd_src *src; |
b1eac430 | 242 | unsigned int rate = 0; |
1b7b08ef | 243 | |
b1eac430 KM |
244 | if (src_mod) { |
245 | src = rsnd_mod_to_src(src_mod); | |
246 | ||
247 | /* | |
248 | * return convert rate if SRC is used, | |
249 | * otherwise, return runtime->rate as usual | |
250 | */ | |
88c61cff | 251 | rate = rsnd_src_convert_rate(io, src); |
b1eac430 | 252 | } |
1b7b08ef | 253 | |
1b7b08ef KM |
254 | if (!rate) |
255 | rate = runtime->rate; | |
256 | ||
257 | return rate; | |
258 | } | |
259 | ||
4e2639ff KM |
260 | static int rsnd_src_set_convert_rate(struct rsnd_mod *mod, |
261 | struct rsnd_dai_stream *io) | |
1b7b08ef KM |
262 | { |
263 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); | |
ba9c949f | 264 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
88c61cff | 265 | u32 convert_rate = rsnd_src_convert_rate(io, src); |
1b7b08ef KM |
266 | u32 fsrate = 0; |
267 | ||
268 | if (convert_rate) | |
269 | fsrate = 0x0400000 / convert_rate * runtime->rate; | |
270 | ||
1b7b08ef | 271 | /* Set channel number and output bit length */ |
3023b384 | 272 | rsnd_mod_write(mod, SRC_ADINR, rsnd_get_adinr_bit(mod, io)); |
1b7b08ef KM |
273 | |
274 | /* Enable the initial value of IFS */ | |
275 | if (fsrate) { | |
276 | rsnd_mod_write(mod, SRC_IFSCR, 1); | |
277 | ||
278 | /* Set initial value of IFS */ | |
279 | rsnd_mod_write(mod, SRC_IFSVR, fsrate); | |
280 | } | |
281 | ||
282 | /* use DMA transfer */ | |
283 | rsnd_mod_write(mod, SRC_BUSIF_MODE, 1); | |
284 | ||
285 | return 0; | |
286 | } | |
287 | ||
3b7843ff | 288 | static int rsnd_src_hw_params(struct rsnd_mod *mod, |
2c0fac19 | 289 | struct rsnd_dai_stream *io, |
3b7843ff KM |
290 | struct snd_pcm_substream *substream, |
291 | struct snd_pcm_hw_params *fe_params) | |
292 | { | |
293 | struct rsnd_src *src = rsnd_mod_to_src(mod); | |
294 | struct snd_soc_pcm_runtime *fe = substream->private_data; | |
295 | ||
296 | /* default value (mainly for non-DT) */ | |
297 | src->convert_rate = src->info->convert_rate; | |
298 | ||
299 | /* | |
300 | * SRC assumes that it is used under DPCM if user want to use | |
301 | * sampling rate convert. Then, SRC should be FE. | |
302 | * And then, this function will be called *after* BE settings. | |
303 | * this means, each BE already has fixuped hw_params. | |
304 | * see | |
305 | * dpcm_fe_dai_hw_params() | |
306 | * dpcm_be_dai_hw_params() | |
307 | */ | |
308 | if (fe->dai_link->dynamic) { | |
309 | int stream = substream->stream; | |
310 | struct snd_soc_dpcm *dpcm; | |
311 | struct snd_pcm_hw_params *be_params; | |
312 | ||
313 | list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be) { | |
314 | be_params = &dpcm->hw_params; | |
315 | ||
316 | if (params_rate(fe_params) != params_rate(be_params)) | |
317 | src->convert_rate = params_rate(be_params); | |
318 | } | |
319 | } | |
320 | ||
321 | return 0; | |
322 | } | |
323 | ||
324 | static int rsnd_src_init(struct rsnd_mod *mod, | |
325 | struct rsnd_priv *priv) | |
1b7b08ef | 326 | { |
ba9c949f | 327 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
1b7b08ef | 328 | |
c9929345 | 329 | rsnd_mod_power_on(mod); |
1b7b08ef | 330 | |
379febfd KM |
331 | rsnd_src_soft_reset(mod); |
332 | ||
d1ade514 KM |
333 | rsnd_src_initialize_lock(mod); |
334 | ||
cfcefe01 KM |
335 | src->err = 0; |
336 | ||
43cb6954 KM |
337 | /* reset sync convert_rate */ |
338 | src->sync.val = 0; | |
339 | ||
1b7b08ef KM |
340 | return 0; |
341 | } | |
342 | ||
ba9c949f | 343 | static int rsnd_src_quit(struct rsnd_mod *mod, |
2c0fac19 | 344 | struct rsnd_dai_stream *io, |
690602fc | 345 | struct rsnd_priv *priv) |
1b7b08ef | 346 | { |
ba9c949f | 347 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
cfcefe01 | 348 | struct device *dev = rsnd_priv_to_dev(priv); |
1b7b08ef | 349 | |
c9929345 | 350 | rsnd_mod_power_off(mod); |
1b7b08ef | 351 | |
cfcefe01 | 352 | if (src->err) |
337b0b4c KM |
353 | dev_warn(dev, "%s[%d] under/over flow err = %d\n", |
354 | rsnd_mod_name(mod), rsnd_mod_id(mod), src->err); | |
cfcefe01 | 355 | |
3b7843ff KM |
356 | src->convert_rate = 0; |
357 | ||
43cb6954 KM |
358 | /* reset sync convert_rate */ |
359 | src->sync.val = 0; | |
360 | ||
1b7b08ef KM |
361 | return 0; |
362 | } | |
363 | ||
f0ef0cb8 | 364 | static int rsnd_src_start(struct rsnd_mod *mod) |
1b7b08ef | 365 | { |
d1ade514 | 366 | rsnd_src_initialize_unlock(mod); |
1b7b08ef | 367 | |
1b7b08ef KM |
368 | return 0; |
369 | } | |
370 | ||
f0ef0cb8 | 371 | static int rsnd_src_stop(struct rsnd_mod *mod) |
1b7b08ef | 372 | { |
933cc8cb | 373 | /* nothing to do */ |
1b7b08ef KM |
374 | return 0; |
375 | } | |
376 | ||
1b7b08ef KM |
377 | /* |
378 | * Gen1 functions | |
379 | */ | |
88c61cff KM |
380 | static int rsnd_src_set_route_gen1(struct rsnd_dai_stream *io, |
381 | struct rsnd_mod *mod) | |
374a5281 | 382 | { |
ba9c949f | 383 | struct src_route_config { |
374a5281 KM |
384 | u32 mask; |
385 | int shift; | |
386 | } routes[] = { | |
387 | { 0xF, 0, }, /* 0 */ | |
388 | { 0xF, 4, }, /* 1 */ | |
389 | { 0xF, 8, }, /* 2 */ | |
390 | { 0x7, 12, }, /* 3 */ | |
391 | { 0x7, 16, }, /* 4 */ | |
392 | { 0x7, 20, }, /* 5 */ | |
393 | { 0x7, 24, }, /* 6 */ | |
394 | { 0x3, 28, }, /* 7 */ | |
395 | { 0x3, 30, }, /* 8 */ | |
396 | }; | |
374a5281 KM |
397 | u32 mask; |
398 | u32 val; | |
374a5281 KM |
399 | int id; |
400 | ||
374a5281 | 401 | id = rsnd_mod_id(mod); |
b5f3d7af | 402 | if (id < 0 || id >= ARRAY_SIZE(routes)) |
374a5281 KM |
403 | return -EIO; |
404 | ||
405 | /* | |
406 | * SRC_ROUTE_SELECT | |
407 | */ | |
985a4f6e | 408 | val = rsnd_io_is_play(io) ? 0x1 : 0x2; |
374a5281 KM |
409 | val = val << routes[id].shift; |
410 | mask = routes[id].mask << routes[id].shift; | |
411 | ||
412 | rsnd_mod_bset(mod, SRC_ROUTE_SEL, mask, val); | |
413 | ||
28dc4b63 KM |
414 | return 0; |
415 | } | |
416 | ||
88c61cff KM |
417 | static int rsnd_src_set_convert_timing_gen1(struct rsnd_dai_stream *io, |
418 | struct rsnd_mod *mod) | |
28dc4b63 KM |
419 | { |
420 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
ba9c949f | 421 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
28dc4b63 | 422 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
88c61cff | 423 | u32 convert_rate = rsnd_src_convert_rate(io, src); |
28dc4b63 KM |
424 | u32 mask; |
425 | u32 val; | |
426 | int shift; | |
427 | int id = rsnd_mod_id(mod); | |
428 | int ret; | |
429 | ||
374a5281 KM |
430 | /* |
431 | * SRC_TIMING_SELECT | |
432 | */ | |
433 | shift = (id % 4) * 8; | |
434 | mask = 0x1F << shift; | |
ef749400 KM |
435 | |
436 | /* | |
437 | * ADG is used as source clock if SRC was used, | |
438 | * then, SSI WS is used as destination clock. | |
439 | * SSI WS is used as source clock if SRC is not used | |
440 | * (when playback, source/destination become reverse when capture) | |
441 | */ | |
28dc4b63 KM |
442 | ret = 0; |
443 | if (convert_rate) { | |
444 | /* use ADG */ | |
ef749400 | 445 | val = 0; |
28dc4b63 KM |
446 | ret = rsnd_adg_set_convert_clk_gen1(priv, mod, |
447 | runtime->rate, | |
448 | convert_rate); | |
449 | } else if (8 == id) { | |
450 | /* use SSI WS, but SRU8 is special */ | |
374a5281 | 451 | val = id << shift; |
28dc4b63 KM |
452 | } else { |
453 | /* use SSI WS */ | |
374a5281 | 454 | val = (id + 1) << shift; |
28dc4b63 KM |
455 | } |
456 | ||
457 | if (ret < 0) | |
458 | return ret; | |
374a5281 KM |
459 | |
460 | switch (id / 4) { | |
461 | case 0: | |
462 | rsnd_mod_bset(mod, SRC_TMG_SEL0, mask, val); | |
463 | break; | |
464 | case 1: | |
465 | rsnd_mod_bset(mod, SRC_TMG_SEL1, mask, val); | |
466 | break; | |
467 | case 2: | |
468 | rsnd_mod_bset(mod, SRC_TMG_SEL2, mask, val); | |
469 | break; | |
470 | } | |
471 | ||
472 | return 0; | |
473 | } | |
474 | ||
4e2639ff KM |
475 | static int rsnd_src_set_convert_rate_gen1(struct rsnd_mod *mod, |
476 | struct rsnd_dai_stream *io) | |
374a5281 | 477 | { |
933cc8cb | 478 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
1b7b08ef | 479 | int ret; |
ef749400 | 480 | |
4e2639ff | 481 | ret = rsnd_src_set_convert_rate(mod, io); |
1b7b08ef KM |
482 | if (ret < 0) |
483 | return ret; | |
ef749400 | 484 | |
1b7b08ef KM |
485 | /* Select SRC mode (fixed value) */ |
486 | rsnd_mod_write(mod, SRC_SRCCR, 0x00010110); | |
ef749400 | 487 | |
1b7b08ef KM |
488 | /* Set the restriction value of the FS ratio (98%) */ |
489 | rsnd_mod_write(mod, SRC_MNFSR, | |
490 | rsnd_mod_read(mod, SRC_IFSVR) / 100 * 98); | |
ef749400 | 491 | |
933cc8cb | 492 | /* Gen1/Gen2 are not compatible */ |
88c61cff | 493 | if (rsnd_src_convert_rate(io, src)) |
933cc8cb KM |
494 | rsnd_mod_write(mod, SRC_ROUTE_MODE0, 1); |
495 | ||
1b7b08ef | 496 | /* no SRC_BFSSR settings, since SRC_SRCCR::BUFMD is 0 */ |
ef749400 | 497 | |
374a5281 KM |
498 | return 0; |
499 | } | |
500 | ||
ba9c949f | 501 | static int rsnd_src_init_gen1(struct rsnd_mod *mod, |
2c0fac19 | 502 | struct rsnd_dai_stream *io, |
690602fc | 503 | struct rsnd_priv *priv) |
07539c1d | 504 | { |
374a5281 KM |
505 | int ret; |
506 | ||
3b7843ff | 507 | ret = rsnd_src_init(mod, priv); |
7b5ce975 KM |
508 | if (ret < 0) |
509 | return ret; | |
510 | ||
88c61cff | 511 | ret = rsnd_src_set_route_gen1(io, mod); |
374a5281 KM |
512 | if (ret < 0) |
513 | return ret; | |
514 | ||
4e2639ff | 515 | ret = rsnd_src_set_convert_rate_gen1(mod, io); |
374a5281 KM |
516 | if (ret < 0) |
517 | return ret; | |
07539c1d | 518 | |
88c61cff | 519 | ret = rsnd_src_set_convert_timing_gen1(io, mod); |
28dc4b63 KM |
520 | if (ret < 0) |
521 | return ret; | |
522 | ||
a204d90c KM |
523 | return 0; |
524 | } | |
525 | ||
ba9c949f | 526 | static int rsnd_src_start_gen1(struct rsnd_mod *mod, |
2c0fac19 | 527 | struct rsnd_dai_stream *io, |
690602fc | 528 | struct rsnd_priv *priv) |
a204d90c | 529 | { |
1b7b08ef | 530 | int id = rsnd_mod_id(mod); |
a204d90c | 531 | |
1b7b08ef | 532 | rsnd_mod_bset(mod, SRC_ROUTE_CTRL, (1 << id), (1 << id)); |
374a5281 | 533 | |
f0ef0cb8 | 534 | return rsnd_src_start(mod); |
07539c1d KM |
535 | } |
536 | ||
ba9c949f | 537 | static int rsnd_src_stop_gen1(struct rsnd_mod *mod, |
2c0fac19 | 538 | struct rsnd_dai_stream *io, |
690602fc | 539 | struct rsnd_priv *priv) |
a204d90c | 540 | { |
e7ce74ea | 541 | int id = rsnd_mod_id(mod); |
a204d90c | 542 | |
1b7b08ef | 543 | rsnd_mod_bset(mod, SRC_ROUTE_CTRL, (1 << id), 0); |
e7ce74ea | 544 | |
f0ef0cb8 | 545 | return rsnd_src_stop(mod); |
a204d90c KM |
546 | } |
547 | ||
ba9c949f | 548 | static struct rsnd_mod_ops rsnd_src_gen1_ops = { |
8aefda50 | 549 | .name = SRC_NAME, |
72adc61f | 550 | .dma_req = rsnd_src_dma_req, |
ba9c949f KM |
551 | .init = rsnd_src_init_gen1, |
552 | .quit = rsnd_src_quit, | |
553 | .start = rsnd_src_start_gen1, | |
554 | .stop = rsnd_src_stop_gen1, | |
3b7843ff | 555 | .hw_params = rsnd_src_hw_params, |
1b7b08ef | 556 | }; |
e7ce74ea | 557 | |
1b7b08ef KM |
558 | /* |
559 | * Gen2 functions | |
560 | */ | |
cfcefe01 KM |
561 | #define rsnd_src_irq_enable_gen2(mod) rsnd_src_irq_ctrol_gen2(mod, 1) |
562 | #define rsnd_src_irq_disable_gen2(mod) rsnd_src_irq_ctrol_gen2(mod, 0) | |
563 | static void rsnd_src_irq_ctrol_gen2(struct rsnd_mod *mod, int enable) | |
564 | { | |
565 | struct rsnd_src *src = rsnd_mod_to_src(mod); | |
566 | u32 sys_int_val, int_val, sys_int_mask; | |
567 | int irq = src->info->irq; | |
568 | int id = rsnd_mod_id(mod); | |
569 | ||
570 | sys_int_val = | |
571 | sys_int_mask = OUF_SRC(id); | |
572 | int_val = 0x3300; | |
573 | ||
574 | /* | |
575 | * IRQ is not supported on non-DT | |
576 | * see | |
577 | * rsnd_src_probe_gen2() | |
578 | */ | |
579 | if ((irq <= 0) || !enable) { | |
580 | sys_int_val = 0; | |
581 | int_val = 0; | |
582 | } | |
583 | ||
1a1bf58a KM |
584 | /* |
585 | * WORKAROUND | |
586 | * | |
587 | * ignore over flow error when rsnd_enable_sync_convert() | |
588 | */ | |
589 | if (rsnd_enable_sync_convert(src)) | |
590 | sys_int_val = sys_int_val & 0xffff; | |
591 | ||
cfcefe01 KM |
592 | rsnd_mod_write(mod, SRC_INT_ENABLE0, int_val); |
593 | rsnd_mod_bset(mod, SCU_SYS_INT_EN0, sys_int_mask, sys_int_val); | |
594 | rsnd_mod_bset(mod, SCU_SYS_INT_EN1, sys_int_mask, sys_int_val); | |
595 | } | |
596 | ||
597 | static void rsnd_src_error_clear_gen2(struct rsnd_mod *mod) | |
598 | { | |
599 | u32 val = OUF_SRC(rsnd_mod_id(mod)); | |
600 | ||
601 | rsnd_mod_bset(mod, SCU_SYS_STATUS0, val, val); | |
602 | rsnd_mod_bset(mod, SCU_SYS_STATUS1, val, val); | |
603 | } | |
604 | ||
605 | static bool rsnd_src_error_record_gen2(struct rsnd_mod *mod) | |
606 | { | |
1a1bf58a KM |
607 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
608 | u32 val0, val1; | |
cfcefe01 KM |
609 | bool ret = false; |
610 | ||
1a1bf58a KM |
611 | val0 = val1 = OUF_SRC(rsnd_mod_id(mod)); |
612 | ||
613 | /* | |
614 | * WORKAROUND | |
615 | * | |
616 | * ignore over flow error when rsnd_enable_sync_convert() | |
617 | */ | |
618 | if (rsnd_enable_sync_convert(src)) | |
619 | val0 = val0 & 0xffff; | |
620 | ||
621 | if ((rsnd_mod_read(mod, SCU_SYS_STATUS0) & val0) || | |
622 | (rsnd_mod_read(mod, SCU_SYS_STATUS1) & val1)) { | |
cfcefe01 KM |
623 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
624 | ||
625 | src->err++; | |
626 | ret = true; | |
627 | } | |
628 | ||
629 | /* clear error static */ | |
630 | rsnd_src_error_clear_gen2(mod); | |
631 | ||
632 | return ret; | |
633 | } | |
634 | ||
88c61cff KM |
635 | static int _rsnd_src_start_gen2(struct rsnd_mod *mod, |
636 | struct rsnd_dai_stream *io) | |
cfcefe01 | 637 | { |
1a1bf58a KM |
638 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
639 | u32 val; | |
640 | ||
4689032b KM |
641 | val = rsnd_get_dalign(mod, io); |
642 | ||
643 | rsnd_mod_write(mod, SRC_BUSIF_DALIGN, val); | |
644 | ||
1a1bf58a KM |
645 | /* |
646 | * WORKAROUND | |
647 | * | |
648 | * Enable SRC output if you want to use sync convert together with DVC | |
649 | */ | |
650 | val = (rsnd_io_to_mod_dvc(io) && !rsnd_enable_sync_convert(src)) ? | |
651 | 0x01 : 0x11; | |
cfcefe01 KM |
652 | |
653 | rsnd_mod_write(mod, SRC_CTRL, val); | |
654 | ||
655 | rsnd_src_error_clear_gen2(mod); | |
656 | ||
657 | rsnd_src_start(mod); | |
658 | ||
659 | rsnd_src_irq_enable_gen2(mod); | |
660 | ||
661 | return 0; | |
662 | } | |
663 | ||
664 | static int _rsnd_src_stop_gen2(struct rsnd_mod *mod) | |
665 | { | |
666 | rsnd_src_irq_disable_gen2(mod); | |
667 | ||
b761bf27 KM |
668 | /* |
669 | * stop SRC output only | |
670 | * see rsnd_src_quit_gen2 | |
671 | */ | |
672 | rsnd_mod_write(mod, SRC_CTRL, 0x01); | |
cfcefe01 KM |
673 | |
674 | rsnd_src_error_record_gen2(mod); | |
675 | ||
676 | return rsnd_src_stop(mod); | |
677 | } | |
678 | ||
b761bf27 KM |
679 | static int rsnd_src_quit_gen2(struct rsnd_mod *mod, |
680 | struct rsnd_dai_stream *io, | |
681 | struct rsnd_priv *priv) | |
682 | { | |
683 | /* stop both out/in */ | |
684 | rsnd_mod_write(mod, SRC_CTRL, 0); | |
685 | ||
686 | return 0; | |
687 | } | |
688 | ||
88c61cff KM |
689 | static void __rsnd_src_interrupt_gen2(struct rsnd_mod *mod, |
690 | struct rsnd_dai_stream *io) | |
cfcefe01 | 691 | { |
02299d98 | 692 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); |
69e32a58 KM |
693 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
694 | struct device *dev = rsnd_priv_to_dev(priv); | |
02299d98 KM |
695 | |
696 | spin_lock(&priv->lock); | |
cfcefe01 | 697 | |
02299d98 | 698 | /* ignore all cases if not working */ |
d5bbe7de | 699 | if (!rsnd_io_is_working(io)) |
02299d98 | 700 | goto rsnd_src_interrupt_gen2_out; |
cfcefe01 KM |
701 | |
702 | if (rsnd_src_error_record_gen2(mod)) { | |
cfcefe01 | 703 | |
cfcefe01 KM |
704 | dev_dbg(dev, "%s[%d] restart\n", |
705 | rsnd_mod_name(mod), rsnd_mod_id(mod)); | |
639b231f KM |
706 | |
707 | _rsnd_src_stop_gen2(mod); | |
69e32a58 KM |
708 | _rsnd_src_start_gen2(mod, io); |
709 | } | |
710 | ||
711 | if (src->err > 1024) { | |
712 | rsnd_src_irq_disable_gen2(mod); | |
713 | ||
714 | dev_warn(dev, "no more %s[%d] restart\n", | |
715 | rsnd_mod_name(mod), rsnd_mod_id(mod)); | |
cfcefe01 | 716 | } |
88c61cff | 717 | |
02299d98 KM |
718 | rsnd_src_interrupt_gen2_out: |
719 | spin_unlock(&priv->lock); | |
88c61cff KM |
720 | } |
721 | ||
722 | static irqreturn_t rsnd_src_interrupt_gen2(int irq, void *data) | |
723 | { | |
724 | struct rsnd_mod *mod = data; | |
725 | ||
726 | rsnd_mod_interrupt(mod, __rsnd_src_interrupt_gen2); | |
cfcefe01 KM |
727 | |
728 | return IRQ_HANDLED; | |
729 | } | |
730 | ||
4e2639ff KM |
731 | static int rsnd_src_set_convert_rate_gen2(struct rsnd_mod *mod, |
732 | struct rsnd_dai_stream *io) | |
629509c5 | 733 | { |
054cd7f4 KM |
734 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); |
735 | struct device *dev = rsnd_priv_to_dev(priv); | |
054cd7f4 KM |
736 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
737 | struct rsnd_src *src = rsnd_mod_to_src(mod); | |
88c61cff | 738 | u32 convert_rate = rsnd_src_convert_rate(io, src); |
43cb6954 | 739 | u32 cr, route; |
054cd7f4 | 740 | uint ratio; |
629509c5 KM |
741 | int ret; |
742 | ||
054cd7f4 | 743 | /* 6 - 1/6 are very enough ratio for SRC_BSDSR */ |
b167a578 | 744 | if (!convert_rate) |
054cd7f4 | 745 | ratio = 0; |
b167a578 KM |
746 | else if (convert_rate > runtime->rate) |
747 | ratio = 100 * convert_rate / runtime->rate; | |
054cd7f4 | 748 | else |
b167a578 | 749 | ratio = 100 * runtime->rate / convert_rate; |
054cd7f4 KM |
750 | |
751 | if (ratio > 600) { | |
752 | dev_err(dev, "FSO/FSI ratio error\n"); | |
753 | return -EINVAL; | |
754 | } | |
755 | ||
4e2639ff | 756 | ret = rsnd_src_set_convert_rate(mod, io); |
629509c5 KM |
757 | if (ret < 0) |
758 | return ret; | |
759 | ||
43cb6954 KM |
760 | cr = 0x00011110; |
761 | route = 0x0; | |
933cc8cb | 762 | if (convert_rate) { |
43cb6954 KM |
763 | route = 0x1; |
764 | ||
765 | if (rsnd_enable_sync_convert(src)) { | |
766 | cr |= 0x1; | |
767 | route |= rsnd_io_is_play(io) ? | |
768 | (0x1 << 24) : (0x1 << 25); | |
769 | } | |
933cc8cb KM |
770 | } |
771 | ||
43cb6954 KM |
772 | rsnd_mod_write(mod, SRC_SRCCR, cr); |
773 | rsnd_mod_write(mod, SRC_ROUTE_MODE0, route); | |
774 | ||
054cd7f4 KM |
775 | switch (rsnd_mod_id(mod)) { |
776 | case 5: | |
777 | case 6: | |
778 | case 7: | |
779 | case 8: | |
780 | rsnd_mod_write(mod, SRC_BSDSR, 0x02400000); | |
781 | break; | |
782 | default: | |
783 | rsnd_mod_write(mod, SRC_BSDSR, 0x01800000); | |
784 | break; | |
785 | } | |
786 | ||
629509c5 KM |
787 | rsnd_mod_write(mod, SRC_BSISR, 0x00100060); |
788 | ||
789 | return 0; | |
790 | } | |
791 | ||
88c61cff KM |
792 | static int rsnd_src_set_convert_timing_gen2(struct rsnd_dai_stream *io, |
793 | struct rsnd_mod *mod) | |
629509c5 KM |
794 | { |
795 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); | |
ba9c949f | 796 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
88c61cff | 797 | u32 convert_rate = rsnd_src_convert_rate(io, src); |
629509c5 KM |
798 | int ret; |
799 | ||
800 | if (convert_rate) | |
f708d944 | 801 | ret = rsnd_adg_set_convert_clk_gen2(mod, io, |
629509c5 KM |
802 | runtime->rate, |
803 | convert_rate); | |
804 | else | |
f708d944 | 805 | ret = rsnd_adg_set_convert_timing_gen2(mod, io); |
629509c5 KM |
806 | |
807 | return ret; | |
808 | } | |
809 | ||
ba9c949f | 810 | static int rsnd_src_probe_gen2(struct rsnd_mod *mod, |
2c0fac19 | 811 | struct rsnd_dai_stream *io, |
690602fc | 812 | struct rsnd_priv *priv) |
76c6fb5c | 813 | { |
ba9c949f | 814 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
76c6fb5c | 815 | struct device *dev = rsnd_priv_to_dev(priv); |
cfcefe01 | 816 | int irq = src->info->irq; |
76c6fb5c | 817 | int ret; |
76c6fb5c | 818 | |
cfcefe01 KM |
819 | if (irq > 0) { |
820 | /* | |
821 | * IRQ is not supported on non-DT | |
822 | * see | |
823 | * rsnd_src_irq_enable_gen2() | |
824 | */ | |
825 | ret = devm_request_irq(dev, irq, | |
826 | rsnd_src_interrupt_gen2, | |
827 | IRQF_SHARED, | |
828 | dev_name(dev), mod); | |
829 | if (ret) | |
b543b52a | 830 | return ret; |
cfcefe01 KM |
831 | } |
832 | ||
81ecbb65 | 833 | src->dma = rsnd_dma_attach(io, mod, src->info->dma_id); |
232c00b6 KM |
834 | if (IS_ERR(src->dma)) |
835 | return PTR_ERR(src->dma); | |
8aefda50 | 836 | |
76c6fb5c KM |
837 | return ret; |
838 | } | |
839 | ||
ba9c949f | 840 | static int rsnd_src_remove_gen2(struct rsnd_mod *mod, |
2c0fac19 | 841 | struct rsnd_dai_stream *io, |
690602fc | 842 | struct rsnd_priv *priv) |
76c6fb5c | 843 | { |
232c00b6 KM |
844 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
845 | ||
846 | rsnd_dma_quit(io, rsnd_src_to_dma(src)); | |
76c6fb5c KM |
847 | |
848 | return 0; | |
849 | } | |
850 | ||
ba9c949f | 851 | static int rsnd_src_init_gen2(struct rsnd_mod *mod, |
2c0fac19 | 852 | struct rsnd_dai_stream *io, |
690602fc | 853 | struct rsnd_priv *priv) |
629509c5 KM |
854 | { |
855 | int ret; | |
856 | ||
3b7843ff | 857 | ret = rsnd_src_init(mod, priv); |
629509c5 KM |
858 | if (ret < 0) |
859 | return ret; | |
860 | ||
4e2639ff | 861 | ret = rsnd_src_set_convert_rate_gen2(mod, io); |
629509c5 KM |
862 | if (ret < 0) |
863 | return ret; | |
864 | ||
88c61cff | 865 | ret = rsnd_src_set_convert_timing_gen2(io, mod); |
629509c5 KM |
866 | if (ret < 0) |
867 | return ret; | |
868 | ||
869 | return 0; | |
870 | } | |
871 | ||
ba9c949f | 872 | static int rsnd_src_start_gen2(struct rsnd_mod *mod, |
2c0fac19 | 873 | struct rsnd_dai_stream *io, |
690602fc | 874 | struct rsnd_priv *priv) |
629509c5 | 875 | { |
232c00b6 KM |
876 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
877 | ||
878 | rsnd_dma_start(io, rsnd_src_to_dma(src)); | |
629509c5 | 879 | |
88c61cff | 880 | return _rsnd_src_start_gen2(mod, io); |
629509c5 KM |
881 | } |
882 | ||
ba9c949f | 883 | static int rsnd_src_stop_gen2(struct rsnd_mod *mod, |
2c0fac19 | 884 | struct rsnd_dai_stream *io, |
690602fc | 885 | struct rsnd_priv *priv) |
629509c5 | 886 | { |
232c00b6 | 887 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
cfcefe01 | 888 | int ret; |
629509c5 | 889 | |
cfcefe01 | 890 | ret = _rsnd_src_stop_gen2(mod); |
629509c5 | 891 | |
232c00b6 | 892 | rsnd_dma_stop(io, rsnd_src_to_dma(src)); |
629509c5 | 893 | |
cfcefe01 | 894 | return ret; |
629509c5 KM |
895 | } |
896 | ||
b65a7ccc KM |
897 | static void rsnd_src_reconvert_update(struct rsnd_dai_stream *io, |
898 | struct rsnd_mod *mod) | |
43cb6954 | 899 | { |
43cb6954 KM |
900 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
901 | struct rsnd_src *src = rsnd_mod_to_src(mod); | |
88c61cff | 902 | u32 convert_rate = rsnd_src_convert_rate(io, src); |
43cb6954 KM |
903 | u32 fsrate; |
904 | ||
905 | if (!runtime) | |
906 | return; | |
907 | ||
908 | if (!convert_rate) | |
909 | convert_rate = runtime->rate; | |
910 | ||
911 | fsrate = 0x0400000 / convert_rate * runtime->rate; | |
912 | ||
913 | /* update IFS */ | |
914 | rsnd_mod_write(mod, SRC_IFSVR, fsrate); | |
915 | } | |
916 | ||
b9bfe9d5 | 917 | static int rsnd_src_pcm_new_gen2(struct rsnd_mod *mod, |
2c0fac19 | 918 | struct rsnd_dai_stream *io, |
43cb6954 KM |
919 | struct snd_soc_pcm_runtime *rtd) |
920 | { | |
43cb6954 KM |
921 | struct rsnd_dai *rdai = rsnd_io_to_rdai(io); |
922 | struct rsnd_src *src = rsnd_mod_to_src(mod); | |
923 | int ret; | |
924 | ||
925 | /* | |
926 | * enable SRC sync convert if possible | |
927 | */ | |
928 | ||
43cb6954 KM |
929 | /* |
930 | * SRC sync convert needs clock master | |
931 | */ | |
932 | if (!rsnd_rdai_is_clk_master(rdai)) | |
933 | return 0; | |
934 | ||
43cb6954 KM |
935 | /* |
936 | * enable sync convert | |
937 | */ | |
b65a7ccc | 938 | ret = rsnd_kctrl_new_s(mod, io, rtd, |
43cb6954 KM |
939 | rsnd_io_is_play(io) ? |
940 | "SRC Out Rate Switch" : | |
941 | "SRC In Rate Switch", | |
942 | rsnd_src_reconvert_update, | |
943 | &src->sen, 1); | |
944 | if (ret < 0) | |
945 | return ret; | |
946 | ||
b65a7ccc | 947 | ret = rsnd_kctrl_new_s(mod, io, rtd, |
43cb6954 KM |
948 | rsnd_io_is_play(io) ? |
949 | "SRC Out Rate" : | |
950 | "SRC In Rate", | |
951 | rsnd_src_reconvert_update, | |
952 | &src->sync, 192000); | |
953 | ||
954 | return ret; | |
955 | } | |
956 | ||
ba9c949f | 957 | static struct rsnd_mod_ops rsnd_src_gen2_ops = { |
8aefda50 | 958 | .name = SRC_NAME, |
72adc61f | 959 | .dma_req = rsnd_src_dma_req, |
ba9c949f KM |
960 | .probe = rsnd_src_probe_gen2, |
961 | .remove = rsnd_src_remove_gen2, | |
962 | .init = rsnd_src_init_gen2, | |
b761bf27 | 963 | .quit = rsnd_src_quit_gen2, |
ba9c949f KM |
964 | .start = rsnd_src_start_gen2, |
965 | .stop = rsnd_src_stop_gen2, | |
3b7843ff | 966 | .hw_params = rsnd_src_hw_params, |
b9bfe9d5 | 967 | .pcm_new = rsnd_src_pcm_new_gen2, |
629509c5 KM |
968 | }; |
969 | ||
ba9c949f | 970 | struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id) |
07539c1d | 971 | { |
ba9c949f | 972 | if (WARN_ON(id < 0 || id >= rsnd_src_nr(priv))) |
8b14719b | 973 | id = 0; |
07539c1d | 974 | |
b76e218a | 975 | return rsnd_mod_get((struct rsnd_src *)(priv->src) + id); |
07539c1d KM |
976 | } |
977 | ||
90e8e50f KM |
978 | static void rsnd_of_parse_src(struct platform_device *pdev, |
979 | const struct rsnd_of_data *of_data, | |
980 | struct rsnd_priv *priv) | |
981 | { | |
982 | struct device_node *src_node; | |
cfcefe01 | 983 | struct device_node *np; |
90e8e50f KM |
984 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); |
985 | struct rsnd_src_platform_info *src_info; | |
986 | struct device *dev = &pdev->dev; | |
cfcefe01 | 987 | int nr, i; |
90e8e50f KM |
988 | |
989 | if (!of_data) | |
990 | return; | |
991 | ||
82e76ed3 | 992 | src_node = rsnd_src_of_node(priv); |
90e8e50f KM |
993 | if (!src_node) |
994 | return; | |
995 | ||
996 | nr = of_get_child_count(src_node); | |
997 | if (!nr) | |
f451e48d | 998 | goto rsnd_of_parse_src_end; |
90e8e50f KM |
999 | |
1000 | src_info = devm_kzalloc(dev, | |
1001 | sizeof(struct rsnd_src_platform_info) * nr, | |
1002 | GFP_KERNEL); | |
1003 | if (!src_info) { | |
1004 | dev_err(dev, "src info allocation error\n"); | |
f451e48d | 1005 | goto rsnd_of_parse_src_end; |
90e8e50f KM |
1006 | } |
1007 | ||
1008 | info->src_info = src_info; | |
1009 | info->src_info_nr = nr; | |
f451e48d | 1010 | |
cfcefe01 KM |
1011 | i = 0; |
1012 | for_each_child_of_node(src_node, np) { | |
1013 | src_info[i].irq = irq_of_parse_and_map(np, 0); | |
1014 | ||
1015 | i++; | |
1016 | } | |
1017 | ||
f451e48d KM |
1018 | rsnd_of_parse_src_end: |
1019 | of_node_put(src_node); | |
90e8e50f KM |
1020 | } |
1021 | ||
ba9c949f | 1022 | int rsnd_src_probe(struct platform_device *pdev, |
90e8e50f | 1023 | const struct rsnd_of_data *of_data, |
07539c1d KM |
1024 | struct rsnd_priv *priv) |
1025 | { | |
5da39cf3 | 1026 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); |
07539c1d | 1027 | struct device *dev = rsnd_priv_to_dev(priv); |
ba9c949f | 1028 | struct rsnd_src *src; |
013f38fe | 1029 | struct rsnd_mod_ops *ops; |
ef749400 | 1030 | struct clk *clk; |
ba9c949f | 1031 | char name[RSND_SRC_NAME_SIZE]; |
2f78dd7f | 1032 | int i, nr, ret; |
07539c1d | 1033 | |
033e7ed8 | 1034 | ops = NULL; |
43624957 | 1035 | if (rsnd_is_gen1(priv)) { |
033e7ed8 | 1036 | ops = &rsnd_src_gen1_ops; |
43624957 KM |
1037 | dev_warn(dev, "Gen1 support will be removed soon\n"); |
1038 | } | |
033e7ed8 KM |
1039 | if (rsnd_is_gen2(priv)) |
1040 | ops = &rsnd_src_gen2_ops; | |
1041 | if (!ops) { | |
1042 | dev_err(dev, "unknown Generation\n"); | |
1043 | return -EIO; | |
1044 | } | |
1045 | ||
90e8e50f KM |
1046 | rsnd_of_parse_src(pdev, of_data, priv); |
1047 | ||
07539c1d | 1048 | /* |
ba9c949f | 1049 | * init SRC |
07539c1d | 1050 | */ |
ba9c949f | 1051 | nr = info->src_info_nr; |
389933d9 KM |
1052 | if (!nr) |
1053 | return 0; | |
1054 | ||
ba9c949f | 1055 | src = devm_kzalloc(dev, sizeof(*src) * nr, GFP_KERNEL); |
33363f7a | 1056 | if (!src) |
07539c1d | 1057 | return -ENOMEM; |
07539c1d | 1058 | |
ba9c949f KM |
1059 | priv->src_nr = nr; |
1060 | priv->src = src; | |
07539c1d | 1061 | |
ba9c949f | 1062 | for_each_rsnd_src(src, priv, i) { |
8aefda50 KM |
1063 | snprintf(name, RSND_SRC_NAME_SIZE, "%s.%d", |
1064 | SRC_NAME, i); | |
ef749400 KM |
1065 | |
1066 | clk = devm_clk_get(dev, name); | |
1067 | if (IS_ERR(clk)) | |
1068 | return PTR_ERR(clk); | |
1069 | ||
ba9c949f | 1070 | src->info = &info->src_info[i]; |
07539c1d | 1071 | |
b76e218a | 1072 | ret = rsnd_mod_init(priv, rsnd_mod_get(src), ops, clk, RSND_MOD_SRC, i); |
2f78dd7f KM |
1073 | if (ret) |
1074 | return ret; | |
374a5281 | 1075 | } |
07539c1d KM |
1076 | |
1077 | return 0; | |
1078 | } | |
2f78dd7f KM |
1079 | |
1080 | void rsnd_src_remove(struct platform_device *pdev, | |
1081 | struct rsnd_priv *priv) | |
1082 | { | |
1083 | struct rsnd_src *src; | |
1084 | int i; | |
1085 | ||
1086 | for_each_rsnd_src(src, priv, i) { | |
b76e218a | 1087 | rsnd_mod_quit(rsnd_mod_get(src)); |
2f78dd7f KM |
1088 | } |
1089 | } |