Commit | Line | Data |
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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; |
43cb6954 KM |
25 | struct rsnd_kctrl_cfg_s sen; /* sync convert enable */ |
26 | struct rsnd_kctrl_cfg_s sync; /* sync convert */ | |
3b7843ff | 27 | u32 convert_rate; /* sampling rate convert */ |
cfcefe01 | 28 | int err; |
07539c1d KM |
29 | }; |
30 | ||
ba9c949f | 31 | #define RSND_SRC_NAME_SIZE 16 |
374a5281 | 32 | |
43cb6954 | 33 | #define rsnd_enable_sync_convert(src) ((src)->sen.val) |
82e76ed3 KM |
34 | #define rsnd_src_of_node(priv) \ |
35 | of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,src") | |
36 | ||
ba9c949f KM |
37 | #define rsnd_mod_to_src(_mod) \ |
38 | container_of((_mod), struct rsnd_src, mod) | |
39cf3c40 | 39 | |
ba9c949f | 40 | #define for_each_rsnd_src(pos, priv, i) \ |
39cf3c40 | 41 | for ((i) = 0; \ |
ba9c949f KM |
42 | ((i) < rsnd_src_nr(priv)) && \ |
43 | ((pos) = (struct rsnd_src *)(priv)->src + i); \ | |
39cf3c40 KM |
44 | i++) |
45 | ||
46 | ||
ef749400 KM |
47 | /* |
48 | * image of SRC (Sampling Rate Converter) | |
49 | * | |
50 | * 96kHz <-> +-----+ 48kHz +-----+ 48kHz +-------+ | |
51 | * 48kHz <-> | SRC | <------> | SSI | <-----> | codec | | |
52 | * 44.1kHz <-> +-----+ +-----+ +-------+ | |
53 | * ... | |
54 | * | |
55 | */ | |
374a5281 | 56 | |
c926b746 | 57 | /* |
ba9c949f | 58 | * src.c is caring... |
c926b746 KM |
59 | * |
60 | * Gen1 | |
61 | * | |
62 | * [mem] -> [SRU] -> [SSI] | |
63 | * |--------| | |
64 | * | |
65 | * Gen2 | |
66 | * | |
ba9c949f | 67 | * [mem] -> [SRC] -> [SSIU] -> [SSI] |
c926b746 KM |
68 | * |-----------------| |
69 | */ | |
70 | ||
41c6221c KM |
71 | /* |
72 | * How to use SRC bypass mode for debugging | |
73 | * | |
74 | * SRC has bypass mode, and it is useful for debugging. | |
75 | * In Gen2 case, | |
76 | * SRCm_MODE controls whether SRC is used or not | |
77 | * SSI_MODE0 controls whether SSIU which receives SRC data | |
78 | * is used or not. | |
79 | * Both SRCm_MODE/SSI_MODE0 settings are needed if you use SRC, | |
80 | * but SRC bypass mode needs SSI_MODE0 only. | |
81 | * | |
82 | * This driver request | |
ba9c949f | 83 | * struct rsnd_src_platform_info { |
41c6221c | 84 | * u32 convert_rate; |
29e69fd2 | 85 | * int dma_id; |
41c6221c KM |
86 | * } |
87 | * | |
ba9c949f | 88 | * rsnd_src_convert_rate() indicates |
41c6221c KM |
89 | * above convert_rate, and it controls |
90 | * whether SRC is used or not. | |
91 | * | |
92 | * ex) doesn't use SRC | |
29e69fd2 KM |
93 | * static struct rsnd_dai_platform_info rsnd_dai = { |
94 | * .playback = { .ssi = &rsnd_ssi[0], }, | |
41c6221c KM |
95 | * }; |
96 | * | |
97 | * ex) uses SRC | |
29e69fd2 KM |
98 | * static struct rsnd_src_platform_info rsnd_src[] = { |
99 | * RSND_SCU(48000, 0), | |
100 | * ... | |
101 | * }; | |
102 | * static struct rsnd_dai_platform_info rsnd_dai = { | |
103 | * .playback = { .ssi = &rsnd_ssi[0], .src = &rsnd_src[0] }, | |
41c6221c KM |
104 | * }; |
105 | * | |
106 | * ex) uses SRC bypass mode | |
29e69fd2 KM |
107 | * static struct rsnd_src_platform_info rsnd_src[] = { |
108 | * RSND_SCU(0, 0), | |
109 | * ... | |
110 | * }; | |
111 | * static struct rsnd_dai_platform_info rsnd_dai = { | |
112 | * .playback = { .ssi = &rsnd_ssi[0], .src = &rsnd_src[0] }, | |
41c6221c KM |
113 | * }; |
114 | * | |
115 | */ | |
116 | ||
1b7b08ef KM |
117 | /* |
118 | * Gen1/Gen2 common functions | |
119 | */ | |
9b99e9a7 KM |
120 | static struct dma_chan *rsnd_src_dma_req(struct rsnd_dai_stream *io, |
121 | struct rsnd_mod *mod) | |
72adc61f KM |
122 | { |
123 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
72adc61f KM |
124 | int is_play = rsnd_io_is_play(io); |
125 | ||
126 | return rsnd_dma_request_channel(rsnd_src_of_node(priv), | |
127 | mod, | |
128 | is_play ? "rx" : "tx"); | |
129 | } | |
130 | ||
d9288d0b | 131 | int rsnd_src_ssiu_start(struct rsnd_mod *ssi_mod, |
4e2639ff | 132 | struct rsnd_dai_stream *io, |
d9288d0b | 133 | int use_busif) |
7b5ce975 | 134 | { |
f708d944 | 135 | struct rsnd_dai *rdai = rsnd_io_to_rdai(io); |
1cc71959 | 136 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
374e5426 | 137 | int ssi_id = rsnd_mod_id(ssi_mod); |
7b5ce975 KM |
138 | |
139 | /* | |
140 | * SSI_MODE0 | |
141 | */ | |
221bf523 | 142 | rsnd_mod_bset(ssi_mod, SSI_MODE0, (1 << ssi_id), |
d9288d0b | 143 | !use_busif << ssi_id); |
7b5ce975 KM |
144 | |
145 | /* | |
146 | * SSI_MODE1 | |
147 | */ | |
374e5426 | 148 | if (rsnd_ssi_is_pin_sharing(ssi_mod)) { |
7b5ce975 | 149 | int shift = -1; |
374e5426 | 150 | switch (ssi_id) { |
7b5ce975 KM |
151 | case 1: |
152 | shift = 0; | |
153 | break; | |
154 | case 2: | |
155 | shift = 2; | |
156 | break; | |
157 | case 4: | |
158 | shift = 16; | |
159 | break; | |
160 | } | |
161 | ||
162 | if (shift >= 0) | |
221bf523 | 163 | rsnd_mod_bset(ssi_mod, SSI_MODE1, |
7b5ce975 | 164 | 0x3 << shift, |
3ed6448c | 165 | rsnd_rdai_is_clk_master(rdai) ? |
7b5ce975 KM |
166 | 0x2 << shift : 0x1 << shift); |
167 | } | |
168 | ||
d9288d0b KM |
169 | /* |
170 | * DMA settings for SSIU | |
171 | */ | |
172 | if (use_busif) { | |
1cc71959 KM |
173 | u32 val = 0x76543210; |
174 | u32 mask = ~0; | |
175 | ||
d9288d0b | 176 | rsnd_mod_write(ssi_mod, SSI_BUSIF_ADINR, |
4e2639ff | 177 | rsnd_get_adinr(ssi_mod, io)); |
d9288d0b KM |
178 | rsnd_mod_write(ssi_mod, SSI_BUSIF_MODE, 1); |
179 | rsnd_mod_write(ssi_mod, SSI_CTRL, 0x1); | |
1cc71959 KM |
180 | |
181 | mask <<= runtime->channels * 4; | |
182 | val = val & mask; | |
183 | ||
184 | switch (runtime->sample_bits) { | |
185 | case 16: | |
186 | val |= 0x67452301 & ~mask; | |
187 | break; | |
188 | case 32: | |
189 | val |= 0x76543210 & ~mask; | |
190 | break; | |
191 | } | |
cdde84d1 | 192 | rsnd_mod_write(ssi_mod, SSI_BUSIF_DALIGN, val); |
1cc71959 | 193 | |
d9288d0b KM |
194 | } |
195 | ||
196 | return 0; | |
197 | } | |
198 | ||
4e2639ff KM |
199 | int rsnd_src_ssiu_stop(struct rsnd_mod *ssi_mod, |
200 | struct rsnd_dai_stream *io) | |
d9288d0b KM |
201 | { |
202 | /* | |
203 | * DMA settings for SSIU | |
204 | */ | |
660cdce2 | 205 | rsnd_mod_write(ssi_mod, SSI_CTRL, 0); |
d9288d0b | 206 | |
7b5ce975 KM |
207 | return 0; |
208 | } | |
209 | ||
f708d944 | 210 | int rsnd_src_ssi_irq_enable(struct rsnd_mod *ssi_mod) |
b8cc41e9 KM |
211 | { |
212 | struct rsnd_priv *priv = rsnd_mod_to_priv(ssi_mod); | |
213 | ||
c17dba8b KM |
214 | if (rsnd_is_gen1(priv)) |
215 | return 0; | |
216 | ||
217 | /* enable SSI interrupt if Gen2 */ | |
efa991dc KM |
218 | rsnd_mod_write(ssi_mod, SSI_INT_ENABLE, |
219 | rsnd_ssi_is_dma_mode(ssi_mod) ? | |
220 | 0x0e000000 : 0x0f000000); | |
b8cc41e9 KM |
221 | |
222 | return 0; | |
223 | } | |
224 | ||
f708d944 | 225 | int rsnd_src_ssi_irq_disable(struct rsnd_mod *ssi_mod) |
c17dba8b KM |
226 | { |
227 | struct rsnd_priv *priv = rsnd_mod_to_priv(ssi_mod); | |
228 | ||
229 | if (rsnd_is_gen1(priv)) | |
230 | return 0; | |
231 | ||
232 | /* disable SSI interrupt if Gen2 */ | |
efa991dc | 233 | rsnd_mod_write(ssi_mod, SSI_INT_ENABLE, 0x00000000); |
c17dba8b KM |
234 | |
235 | return 0; | |
236 | } | |
237 | ||
88c61cff KM |
238 | static u32 rsnd_src_convert_rate(struct rsnd_dai_stream *io, |
239 | struct rsnd_src *src) | |
43cb6954 | 240 | { |
43cb6954 KM |
241 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
242 | u32 convert_rate; | |
243 | ||
244 | if (!runtime) | |
245 | return 0; | |
246 | ||
247 | if (!rsnd_enable_sync_convert(src)) | |
248 | return src->convert_rate; | |
249 | ||
250 | convert_rate = src->sync.val; | |
251 | ||
252 | if (!convert_rate) | |
253 | convert_rate = src->convert_rate; | |
254 | ||
255 | if (!convert_rate) | |
256 | convert_rate = runtime->rate; | |
257 | ||
258 | return convert_rate; | |
259 | } | |
260 | ||
ba9c949f | 261 | unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv, |
374e5426 | 262 | struct rsnd_dai_stream *io, |
1b7b08ef KM |
263 | struct snd_pcm_runtime *runtime) |
264 | { | |
b1eac430 | 265 | struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io); |
ba9c949f | 266 | struct rsnd_src *src; |
b1eac430 | 267 | unsigned int rate = 0; |
1b7b08ef | 268 | |
b1eac430 KM |
269 | if (src_mod) { |
270 | src = rsnd_mod_to_src(src_mod); | |
271 | ||
272 | /* | |
273 | * return convert rate if SRC is used, | |
274 | * otherwise, return runtime->rate as usual | |
275 | */ | |
88c61cff | 276 | rate = rsnd_src_convert_rate(io, src); |
b1eac430 | 277 | } |
1b7b08ef | 278 | |
1b7b08ef KM |
279 | if (!rate) |
280 | rate = runtime->rate; | |
281 | ||
282 | return rate; | |
283 | } | |
284 | ||
4e2639ff KM |
285 | static int rsnd_src_set_convert_rate(struct rsnd_mod *mod, |
286 | struct rsnd_dai_stream *io) | |
1b7b08ef KM |
287 | { |
288 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); | |
ba9c949f | 289 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
88c61cff | 290 | u32 convert_rate = rsnd_src_convert_rate(io, src); |
1b7b08ef KM |
291 | u32 fsrate = 0; |
292 | ||
293 | if (convert_rate) | |
294 | fsrate = 0x0400000 / convert_rate * runtime->rate; | |
295 | ||
296 | /* set/clear soft reset */ | |
297 | rsnd_mod_write(mod, SRC_SWRSR, 0); | |
298 | rsnd_mod_write(mod, SRC_SWRSR, 1); | |
299 | ||
1b7b08ef | 300 | /* Set channel number and output bit length */ |
4e2639ff | 301 | rsnd_mod_write(mod, SRC_ADINR, rsnd_get_adinr(mod, io)); |
1b7b08ef KM |
302 | |
303 | /* Enable the initial value of IFS */ | |
304 | if (fsrate) { | |
305 | rsnd_mod_write(mod, SRC_IFSCR, 1); | |
306 | ||
307 | /* Set initial value of IFS */ | |
308 | rsnd_mod_write(mod, SRC_IFSVR, fsrate); | |
309 | } | |
310 | ||
311 | /* use DMA transfer */ | |
312 | rsnd_mod_write(mod, SRC_BUSIF_MODE, 1); | |
313 | ||
314 | return 0; | |
315 | } | |
316 | ||
3b7843ff | 317 | static int rsnd_src_hw_params(struct rsnd_mod *mod, |
2c0fac19 | 318 | struct rsnd_dai_stream *io, |
3b7843ff KM |
319 | struct snd_pcm_substream *substream, |
320 | struct snd_pcm_hw_params *fe_params) | |
321 | { | |
322 | struct rsnd_src *src = rsnd_mod_to_src(mod); | |
323 | struct snd_soc_pcm_runtime *fe = substream->private_data; | |
324 | ||
325 | /* default value (mainly for non-DT) */ | |
326 | src->convert_rate = src->info->convert_rate; | |
327 | ||
328 | /* | |
329 | * SRC assumes that it is used under DPCM if user want to use | |
330 | * sampling rate convert. Then, SRC should be FE. | |
331 | * And then, this function will be called *after* BE settings. | |
332 | * this means, each BE already has fixuped hw_params. | |
333 | * see | |
334 | * dpcm_fe_dai_hw_params() | |
335 | * dpcm_be_dai_hw_params() | |
336 | */ | |
337 | if (fe->dai_link->dynamic) { | |
338 | int stream = substream->stream; | |
339 | struct snd_soc_dpcm *dpcm; | |
340 | struct snd_pcm_hw_params *be_params; | |
341 | ||
342 | list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be) { | |
343 | be_params = &dpcm->hw_params; | |
344 | ||
345 | if (params_rate(fe_params) != params_rate(be_params)) | |
346 | src->convert_rate = params_rate(be_params); | |
347 | } | |
348 | } | |
349 | ||
350 | return 0; | |
351 | } | |
352 | ||
353 | static int rsnd_src_init(struct rsnd_mod *mod, | |
354 | struct rsnd_priv *priv) | |
1b7b08ef | 355 | { |
ba9c949f | 356 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
1b7b08ef | 357 | |
85642952 | 358 | rsnd_mod_hw_start(mod); |
1b7b08ef | 359 | |
cfcefe01 KM |
360 | src->err = 0; |
361 | ||
43cb6954 KM |
362 | /* reset sync convert_rate */ |
363 | src->sync.val = 0; | |
364 | ||
603cefa5 KM |
365 | /* |
366 | * Initialize the operation of the SRC internal circuits | |
367 | * see rsnd_src_start() | |
368 | */ | |
369 | rsnd_mod_write(mod, SRC_SRCIR, 1); | |
370 | ||
1b7b08ef KM |
371 | return 0; |
372 | } | |
373 | ||
ba9c949f | 374 | static int rsnd_src_quit(struct rsnd_mod *mod, |
2c0fac19 | 375 | struct rsnd_dai_stream *io, |
690602fc | 376 | struct rsnd_priv *priv) |
1b7b08ef | 377 | { |
ba9c949f | 378 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
cfcefe01 | 379 | struct device *dev = rsnd_priv_to_dev(priv); |
1b7b08ef | 380 | |
85642952 | 381 | rsnd_mod_hw_stop(mod); |
1b7b08ef | 382 | |
cfcefe01 | 383 | if (src->err) |
337b0b4c KM |
384 | dev_warn(dev, "%s[%d] under/over flow err = %d\n", |
385 | rsnd_mod_name(mod), rsnd_mod_id(mod), src->err); | |
cfcefe01 | 386 | |
3b7843ff KM |
387 | src->convert_rate = 0; |
388 | ||
43cb6954 KM |
389 | /* reset sync convert_rate */ |
390 | src->sync.val = 0; | |
391 | ||
1b7b08ef KM |
392 | return 0; |
393 | } | |
394 | ||
f0ef0cb8 | 395 | static int rsnd_src_start(struct rsnd_mod *mod) |
1b7b08ef | 396 | { |
1b7b08ef KM |
397 | /* |
398 | * Cancel the initialization and operate the SRC function | |
603cefa5 | 399 | * see rsnd_src_init() |
1b7b08ef KM |
400 | */ |
401 | rsnd_mod_write(mod, SRC_SRCIR, 0); | |
402 | ||
1b7b08ef KM |
403 | return 0; |
404 | } | |
405 | ||
f0ef0cb8 | 406 | static int rsnd_src_stop(struct rsnd_mod *mod) |
1b7b08ef | 407 | { |
933cc8cb | 408 | /* nothing to do */ |
1b7b08ef KM |
409 | return 0; |
410 | } | |
411 | ||
1b7b08ef KM |
412 | /* |
413 | * Gen1 functions | |
414 | */ | |
88c61cff KM |
415 | static int rsnd_src_set_route_gen1(struct rsnd_dai_stream *io, |
416 | struct rsnd_mod *mod) | |
374a5281 | 417 | { |
ba9c949f | 418 | struct src_route_config { |
374a5281 KM |
419 | u32 mask; |
420 | int shift; | |
421 | } routes[] = { | |
422 | { 0xF, 0, }, /* 0 */ | |
423 | { 0xF, 4, }, /* 1 */ | |
424 | { 0xF, 8, }, /* 2 */ | |
425 | { 0x7, 12, }, /* 3 */ | |
426 | { 0x7, 16, }, /* 4 */ | |
427 | { 0x7, 20, }, /* 5 */ | |
428 | { 0x7, 24, }, /* 6 */ | |
429 | { 0x3, 28, }, /* 7 */ | |
430 | { 0x3, 30, }, /* 8 */ | |
431 | }; | |
374a5281 KM |
432 | u32 mask; |
433 | u32 val; | |
374a5281 KM |
434 | int id; |
435 | ||
374a5281 | 436 | id = rsnd_mod_id(mod); |
b5f3d7af | 437 | if (id < 0 || id >= ARRAY_SIZE(routes)) |
374a5281 KM |
438 | return -EIO; |
439 | ||
440 | /* | |
441 | * SRC_ROUTE_SELECT | |
442 | */ | |
985a4f6e | 443 | val = rsnd_io_is_play(io) ? 0x1 : 0x2; |
374a5281 KM |
444 | val = val << routes[id].shift; |
445 | mask = routes[id].mask << routes[id].shift; | |
446 | ||
447 | rsnd_mod_bset(mod, SRC_ROUTE_SEL, mask, val); | |
448 | ||
28dc4b63 KM |
449 | return 0; |
450 | } | |
451 | ||
88c61cff KM |
452 | static int rsnd_src_set_convert_timing_gen1(struct rsnd_dai_stream *io, |
453 | struct rsnd_mod *mod) | |
28dc4b63 KM |
454 | { |
455 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
ba9c949f | 456 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
28dc4b63 | 457 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
88c61cff | 458 | u32 convert_rate = rsnd_src_convert_rate(io, src); |
28dc4b63 KM |
459 | u32 mask; |
460 | u32 val; | |
461 | int shift; | |
462 | int id = rsnd_mod_id(mod); | |
463 | int ret; | |
464 | ||
374a5281 KM |
465 | /* |
466 | * SRC_TIMING_SELECT | |
467 | */ | |
468 | shift = (id % 4) * 8; | |
469 | mask = 0x1F << shift; | |
ef749400 KM |
470 | |
471 | /* | |
472 | * ADG is used as source clock if SRC was used, | |
473 | * then, SSI WS is used as destination clock. | |
474 | * SSI WS is used as source clock if SRC is not used | |
475 | * (when playback, source/destination become reverse when capture) | |
476 | */ | |
28dc4b63 KM |
477 | ret = 0; |
478 | if (convert_rate) { | |
479 | /* use ADG */ | |
ef749400 | 480 | val = 0; |
28dc4b63 KM |
481 | ret = rsnd_adg_set_convert_clk_gen1(priv, mod, |
482 | runtime->rate, | |
483 | convert_rate); | |
484 | } else if (8 == id) { | |
485 | /* use SSI WS, but SRU8 is special */ | |
374a5281 | 486 | val = id << shift; |
28dc4b63 KM |
487 | } else { |
488 | /* use SSI WS */ | |
374a5281 | 489 | val = (id + 1) << shift; |
28dc4b63 KM |
490 | } |
491 | ||
492 | if (ret < 0) | |
493 | return ret; | |
374a5281 KM |
494 | |
495 | switch (id / 4) { | |
496 | case 0: | |
497 | rsnd_mod_bset(mod, SRC_TMG_SEL0, mask, val); | |
498 | break; | |
499 | case 1: | |
500 | rsnd_mod_bset(mod, SRC_TMG_SEL1, mask, val); | |
501 | break; | |
502 | case 2: | |
503 | rsnd_mod_bset(mod, SRC_TMG_SEL2, mask, val); | |
504 | break; | |
505 | } | |
506 | ||
507 | return 0; | |
508 | } | |
509 | ||
4e2639ff KM |
510 | static int rsnd_src_set_convert_rate_gen1(struct rsnd_mod *mod, |
511 | struct rsnd_dai_stream *io) | |
374a5281 | 512 | { |
933cc8cb | 513 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
1b7b08ef | 514 | int ret; |
ef749400 | 515 | |
4e2639ff | 516 | ret = rsnd_src_set_convert_rate(mod, io); |
1b7b08ef KM |
517 | if (ret < 0) |
518 | return ret; | |
ef749400 | 519 | |
1b7b08ef KM |
520 | /* Select SRC mode (fixed value) */ |
521 | rsnd_mod_write(mod, SRC_SRCCR, 0x00010110); | |
ef749400 | 522 | |
1b7b08ef KM |
523 | /* Set the restriction value of the FS ratio (98%) */ |
524 | rsnd_mod_write(mod, SRC_MNFSR, | |
525 | rsnd_mod_read(mod, SRC_IFSVR) / 100 * 98); | |
ef749400 | 526 | |
933cc8cb | 527 | /* Gen1/Gen2 are not compatible */ |
88c61cff | 528 | if (rsnd_src_convert_rate(io, src)) |
933cc8cb KM |
529 | rsnd_mod_write(mod, SRC_ROUTE_MODE0, 1); |
530 | ||
1b7b08ef | 531 | /* no SRC_BFSSR settings, since SRC_SRCCR::BUFMD is 0 */ |
ef749400 | 532 | |
374a5281 KM |
533 | return 0; |
534 | } | |
535 | ||
ba9c949f | 536 | static int rsnd_src_init_gen1(struct rsnd_mod *mod, |
2c0fac19 | 537 | struct rsnd_dai_stream *io, |
690602fc | 538 | struct rsnd_priv *priv) |
07539c1d | 539 | { |
374a5281 KM |
540 | int ret; |
541 | ||
3b7843ff | 542 | ret = rsnd_src_init(mod, priv); |
7b5ce975 KM |
543 | if (ret < 0) |
544 | return ret; | |
545 | ||
88c61cff | 546 | ret = rsnd_src_set_route_gen1(io, mod); |
374a5281 KM |
547 | if (ret < 0) |
548 | return ret; | |
549 | ||
4e2639ff | 550 | ret = rsnd_src_set_convert_rate_gen1(mod, io); |
374a5281 KM |
551 | if (ret < 0) |
552 | return ret; | |
07539c1d | 553 | |
88c61cff | 554 | ret = rsnd_src_set_convert_timing_gen1(io, mod); |
28dc4b63 KM |
555 | if (ret < 0) |
556 | return ret; | |
557 | ||
a204d90c KM |
558 | return 0; |
559 | } | |
560 | ||
ba9c949f | 561 | static int rsnd_src_start_gen1(struct rsnd_mod *mod, |
2c0fac19 | 562 | struct rsnd_dai_stream *io, |
690602fc | 563 | struct rsnd_priv *priv) |
a204d90c | 564 | { |
1b7b08ef | 565 | int id = rsnd_mod_id(mod); |
a204d90c | 566 | |
1b7b08ef | 567 | rsnd_mod_bset(mod, SRC_ROUTE_CTRL, (1 << id), (1 << id)); |
374a5281 | 568 | |
f0ef0cb8 | 569 | return rsnd_src_start(mod); |
07539c1d KM |
570 | } |
571 | ||
ba9c949f | 572 | static int rsnd_src_stop_gen1(struct rsnd_mod *mod, |
2c0fac19 | 573 | struct rsnd_dai_stream *io, |
690602fc | 574 | struct rsnd_priv *priv) |
a204d90c | 575 | { |
e7ce74ea | 576 | int id = rsnd_mod_id(mod); |
a204d90c | 577 | |
1b7b08ef | 578 | rsnd_mod_bset(mod, SRC_ROUTE_CTRL, (1 << id), 0); |
e7ce74ea | 579 | |
f0ef0cb8 | 580 | return rsnd_src_stop(mod); |
a204d90c KM |
581 | } |
582 | ||
ba9c949f | 583 | static struct rsnd_mod_ops rsnd_src_gen1_ops = { |
8aefda50 | 584 | .name = SRC_NAME, |
72adc61f | 585 | .dma_req = rsnd_src_dma_req, |
ba9c949f KM |
586 | .init = rsnd_src_init_gen1, |
587 | .quit = rsnd_src_quit, | |
588 | .start = rsnd_src_start_gen1, | |
589 | .stop = rsnd_src_stop_gen1, | |
3b7843ff | 590 | .hw_params = rsnd_src_hw_params, |
1b7b08ef | 591 | }; |
e7ce74ea | 592 | |
1b7b08ef KM |
593 | /* |
594 | * Gen2 functions | |
595 | */ | |
cfcefe01 KM |
596 | #define rsnd_src_irq_enable_gen2(mod) rsnd_src_irq_ctrol_gen2(mod, 1) |
597 | #define rsnd_src_irq_disable_gen2(mod) rsnd_src_irq_ctrol_gen2(mod, 0) | |
598 | static void rsnd_src_irq_ctrol_gen2(struct rsnd_mod *mod, int enable) | |
599 | { | |
600 | struct rsnd_src *src = rsnd_mod_to_src(mod); | |
601 | u32 sys_int_val, int_val, sys_int_mask; | |
602 | int irq = src->info->irq; | |
603 | int id = rsnd_mod_id(mod); | |
604 | ||
605 | sys_int_val = | |
606 | sys_int_mask = OUF_SRC(id); | |
607 | int_val = 0x3300; | |
608 | ||
609 | /* | |
610 | * IRQ is not supported on non-DT | |
611 | * see | |
612 | * rsnd_src_probe_gen2() | |
613 | */ | |
614 | if ((irq <= 0) || !enable) { | |
615 | sys_int_val = 0; | |
616 | int_val = 0; | |
617 | } | |
618 | ||
619 | rsnd_mod_write(mod, SRC_INT_ENABLE0, int_val); | |
620 | rsnd_mod_bset(mod, SCU_SYS_INT_EN0, sys_int_mask, sys_int_val); | |
621 | rsnd_mod_bset(mod, SCU_SYS_INT_EN1, sys_int_mask, sys_int_val); | |
622 | } | |
623 | ||
624 | static void rsnd_src_error_clear_gen2(struct rsnd_mod *mod) | |
625 | { | |
626 | u32 val = OUF_SRC(rsnd_mod_id(mod)); | |
627 | ||
628 | rsnd_mod_bset(mod, SCU_SYS_STATUS0, val, val); | |
629 | rsnd_mod_bset(mod, SCU_SYS_STATUS1, val, val); | |
630 | } | |
631 | ||
632 | static bool rsnd_src_error_record_gen2(struct rsnd_mod *mod) | |
633 | { | |
634 | u32 val = OUF_SRC(rsnd_mod_id(mod)); | |
635 | bool ret = false; | |
636 | ||
637 | if ((rsnd_mod_read(mod, SCU_SYS_STATUS0) & val) || | |
638 | (rsnd_mod_read(mod, SCU_SYS_STATUS1) & val)) { | |
639 | struct rsnd_src *src = rsnd_mod_to_src(mod); | |
640 | ||
641 | src->err++; | |
642 | ret = true; | |
643 | } | |
644 | ||
645 | /* clear error static */ | |
646 | rsnd_src_error_clear_gen2(mod); | |
647 | ||
648 | return ret; | |
649 | } | |
650 | ||
88c61cff KM |
651 | static int _rsnd_src_start_gen2(struct rsnd_mod *mod, |
652 | struct rsnd_dai_stream *io) | |
cfcefe01 | 653 | { |
cfcefe01 KM |
654 | u32 val = rsnd_io_to_mod_dvc(io) ? 0x01 : 0x11; |
655 | ||
656 | rsnd_mod_write(mod, SRC_CTRL, val); | |
657 | ||
658 | rsnd_src_error_clear_gen2(mod); | |
659 | ||
660 | rsnd_src_start(mod); | |
661 | ||
662 | rsnd_src_irq_enable_gen2(mod); | |
663 | ||
664 | return 0; | |
665 | } | |
666 | ||
667 | static int _rsnd_src_stop_gen2(struct rsnd_mod *mod) | |
668 | { | |
669 | rsnd_src_irq_disable_gen2(mod); | |
670 | ||
671 | rsnd_mod_write(mod, SRC_CTRL, 0); | |
672 | ||
673 | rsnd_src_error_record_gen2(mod); | |
674 | ||
675 | return rsnd_src_stop(mod); | |
676 | } | |
677 | ||
88c61cff KM |
678 | static void __rsnd_src_interrupt_gen2(struct rsnd_mod *mod, |
679 | struct rsnd_dai_stream *io) | |
cfcefe01 | 680 | { |
02299d98 KM |
681 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); |
682 | ||
683 | spin_lock(&priv->lock); | |
cfcefe01 | 684 | |
02299d98 | 685 | /* ignore all cases if not working */ |
d5bbe7de | 686 | if (!rsnd_io_is_working(io)) |
02299d98 | 687 | goto rsnd_src_interrupt_gen2_out; |
cfcefe01 KM |
688 | |
689 | if (rsnd_src_error_record_gen2(mod)) { | |
690 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
639b231f | 691 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
cfcefe01 KM |
692 | struct device *dev = rsnd_priv_to_dev(priv); |
693 | ||
cfcefe01 KM |
694 | dev_dbg(dev, "%s[%d] restart\n", |
695 | rsnd_mod_name(mod), rsnd_mod_id(mod)); | |
639b231f KM |
696 | |
697 | _rsnd_src_stop_gen2(mod); | |
698 | if (src->err < 1024) | |
88c61cff | 699 | _rsnd_src_start_gen2(mod, io); |
639b231f KM |
700 | else |
701 | dev_warn(dev, "no more SRC restart\n"); | |
cfcefe01 | 702 | } |
88c61cff | 703 | |
02299d98 KM |
704 | rsnd_src_interrupt_gen2_out: |
705 | spin_unlock(&priv->lock); | |
88c61cff KM |
706 | } |
707 | ||
708 | static irqreturn_t rsnd_src_interrupt_gen2(int irq, void *data) | |
709 | { | |
710 | struct rsnd_mod *mod = data; | |
711 | ||
712 | rsnd_mod_interrupt(mod, __rsnd_src_interrupt_gen2); | |
cfcefe01 KM |
713 | |
714 | return IRQ_HANDLED; | |
715 | } | |
716 | ||
4e2639ff KM |
717 | static int rsnd_src_set_convert_rate_gen2(struct rsnd_mod *mod, |
718 | struct rsnd_dai_stream *io) | |
629509c5 | 719 | { |
054cd7f4 KM |
720 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); |
721 | struct device *dev = rsnd_priv_to_dev(priv); | |
054cd7f4 KM |
722 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
723 | struct rsnd_src *src = rsnd_mod_to_src(mod); | |
88c61cff | 724 | u32 convert_rate = rsnd_src_convert_rate(io, src); |
43cb6954 | 725 | u32 cr, route; |
054cd7f4 | 726 | uint ratio; |
629509c5 KM |
727 | int ret; |
728 | ||
054cd7f4 | 729 | /* 6 - 1/6 are very enough ratio for SRC_BSDSR */ |
b167a578 | 730 | if (!convert_rate) |
054cd7f4 | 731 | ratio = 0; |
b167a578 KM |
732 | else if (convert_rate > runtime->rate) |
733 | ratio = 100 * convert_rate / runtime->rate; | |
054cd7f4 | 734 | else |
b167a578 | 735 | ratio = 100 * runtime->rate / convert_rate; |
054cd7f4 KM |
736 | |
737 | if (ratio > 600) { | |
738 | dev_err(dev, "FSO/FSI ratio error\n"); | |
739 | return -EINVAL; | |
740 | } | |
741 | ||
4e2639ff | 742 | ret = rsnd_src_set_convert_rate(mod, io); |
629509c5 KM |
743 | if (ret < 0) |
744 | return ret; | |
745 | ||
43cb6954 KM |
746 | cr = 0x00011110; |
747 | route = 0x0; | |
933cc8cb | 748 | if (convert_rate) { |
43cb6954 KM |
749 | route = 0x1; |
750 | ||
751 | if (rsnd_enable_sync_convert(src)) { | |
752 | cr |= 0x1; | |
753 | route |= rsnd_io_is_play(io) ? | |
754 | (0x1 << 24) : (0x1 << 25); | |
755 | } | |
933cc8cb KM |
756 | } |
757 | ||
43cb6954 KM |
758 | rsnd_mod_write(mod, SRC_SRCCR, cr); |
759 | rsnd_mod_write(mod, SRC_ROUTE_MODE0, route); | |
760 | ||
054cd7f4 KM |
761 | switch (rsnd_mod_id(mod)) { |
762 | case 5: | |
763 | case 6: | |
764 | case 7: | |
765 | case 8: | |
766 | rsnd_mod_write(mod, SRC_BSDSR, 0x02400000); | |
767 | break; | |
768 | default: | |
769 | rsnd_mod_write(mod, SRC_BSDSR, 0x01800000); | |
770 | break; | |
771 | } | |
772 | ||
629509c5 KM |
773 | rsnd_mod_write(mod, SRC_BSISR, 0x00100060); |
774 | ||
775 | return 0; | |
776 | } | |
777 | ||
88c61cff KM |
778 | static int rsnd_src_set_convert_timing_gen2(struct rsnd_dai_stream *io, |
779 | struct rsnd_mod *mod) | |
629509c5 KM |
780 | { |
781 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); | |
ba9c949f | 782 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
88c61cff | 783 | u32 convert_rate = rsnd_src_convert_rate(io, src); |
629509c5 KM |
784 | int ret; |
785 | ||
786 | if (convert_rate) | |
f708d944 | 787 | ret = rsnd_adg_set_convert_clk_gen2(mod, io, |
629509c5 KM |
788 | runtime->rate, |
789 | convert_rate); | |
790 | else | |
f708d944 | 791 | ret = rsnd_adg_set_convert_timing_gen2(mod, io); |
629509c5 KM |
792 | |
793 | return ret; | |
794 | } | |
795 | ||
ba9c949f | 796 | static int rsnd_src_probe_gen2(struct rsnd_mod *mod, |
2c0fac19 | 797 | struct rsnd_dai_stream *io, |
690602fc | 798 | struct rsnd_priv *priv) |
76c6fb5c | 799 | { |
ba9c949f | 800 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
76c6fb5c | 801 | struct device *dev = rsnd_priv_to_dev(priv); |
cfcefe01 | 802 | int irq = src->info->irq; |
76c6fb5c | 803 | int ret; |
76c6fb5c | 804 | |
cfcefe01 KM |
805 | if (irq > 0) { |
806 | /* | |
807 | * IRQ is not supported on non-DT | |
808 | * see | |
809 | * rsnd_src_irq_enable_gen2() | |
810 | */ | |
811 | ret = devm_request_irq(dev, irq, | |
812 | rsnd_src_interrupt_gen2, | |
813 | IRQF_SHARED, | |
814 | dev_name(dev), mod); | |
815 | if (ret) | |
b543b52a | 816 | return ret; |
cfcefe01 KM |
817 | } |
818 | ||
9b99e9a7 | 819 | ret = rsnd_dma_init(io, |
76c6fb5c | 820 | rsnd_mod_to_dma(mod), |
ba9c949f | 821 | src->info->dma_id); |
8aefda50 | 822 | |
76c6fb5c KM |
823 | return ret; |
824 | } | |
825 | ||
ba9c949f | 826 | static int rsnd_src_remove_gen2(struct rsnd_mod *mod, |
2c0fac19 | 827 | struct rsnd_dai_stream *io, |
690602fc | 828 | struct rsnd_priv *priv) |
76c6fb5c | 829 | { |
9b99e9a7 | 830 | rsnd_dma_quit(io, rsnd_mod_to_dma(mod)); |
76c6fb5c KM |
831 | |
832 | return 0; | |
833 | } | |
834 | ||
ba9c949f | 835 | static int rsnd_src_init_gen2(struct rsnd_mod *mod, |
2c0fac19 | 836 | struct rsnd_dai_stream *io, |
690602fc | 837 | struct rsnd_priv *priv) |
629509c5 KM |
838 | { |
839 | int ret; | |
840 | ||
3b7843ff | 841 | ret = rsnd_src_init(mod, priv); |
629509c5 KM |
842 | if (ret < 0) |
843 | return ret; | |
844 | ||
4e2639ff | 845 | ret = rsnd_src_set_convert_rate_gen2(mod, io); |
629509c5 KM |
846 | if (ret < 0) |
847 | return ret; | |
848 | ||
88c61cff | 849 | ret = rsnd_src_set_convert_timing_gen2(io, mod); |
629509c5 KM |
850 | if (ret < 0) |
851 | return ret; | |
852 | ||
853 | return 0; | |
854 | } | |
855 | ||
ba9c949f | 856 | static int rsnd_src_start_gen2(struct rsnd_mod *mod, |
2c0fac19 | 857 | struct rsnd_dai_stream *io, |
690602fc | 858 | struct rsnd_priv *priv) |
629509c5 | 859 | { |
9b99e9a7 | 860 | rsnd_dma_start(io, rsnd_mod_to_dma(mod)); |
629509c5 | 861 | |
88c61cff | 862 | return _rsnd_src_start_gen2(mod, io); |
629509c5 KM |
863 | } |
864 | ||
ba9c949f | 865 | static int rsnd_src_stop_gen2(struct rsnd_mod *mod, |
2c0fac19 | 866 | struct rsnd_dai_stream *io, |
690602fc | 867 | struct rsnd_priv *priv) |
629509c5 | 868 | { |
cfcefe01 | 869 | int ret; |
629509c5 | 870 | |
cfcefe01 | 871 | ret = _rsnd_src_stop_gen2(mod); |
629509c5 | 872 | |
9b99e9a7 | 873 | rsnd_dma_stop(io, rsnd_mod_to_dma(mod)); |
629509c5 | 874 | |
cfcefe01 | 875 | return ret; |
629509c5 KM |
876 | } |
877 | ||
b65a7ccc KM |
878 | static void rsnd_src_reconvert_update(struct rsnd_dai_stream *io, |
879 | struct rsnd_mod *mod) | |
43cb6954 | 880 | { |
43cb6954 KM |
881 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
882 | struct rsnd_src *src = rsnd_mod_to_src(mod); | |
88c61cff | 883 | u32 convert_rate = rsnd_src_convert_rate(io, src); |
43cb6954 KM |
884 | u32 fsrate; |
885 | ||
886 | if (!runtime) | |
887 | return; | |
888 | ||
889 | if (!convert_rate) | |
890 | convert_rate = runtime->rate; | |
891 | ||
892 | fsrate = 0x0400000 / convert_rate * runtime->rate; | |
893 | ||
894 | /* update IFS */ | |
895 | rsnd_mod_write(mod, SRC_IFSVR, fsrate); | |
896 | } | |
897 | ||
898 | static int rsnd_src_pcm_new(struct rsnd_mod *mod, | |
2c0fac19 | 899 | struct rsnd_dai_stream *io, |
43cb6954 KM |
900 | struct snd_soc_pcm_runtime *rtd) |
901 | { | |
902 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
43cb6954 KM |
903 | struct rsnd_dai *rdai = rsnd_io_to_rdai(io); |
904 | struct rsnd_src *src = rsnd_mod_to_src(mod); | |
905 | int ret; | |
906 | ||
907 | /* | |
908 | * enable SRC sync convert if possible | |
909 | */ | |
910 | ||
911 | /* | |
912 | * Gen1 is not supported | |
913 | */ | |
914 | if (rsnd_is_gen1(priv)) | |
915 | return 0; | |
916 | ||
917 | /* | |
918 | * SRC sync convert needs clock master | |
919 | */ | |
920 | if (!rsnd_rdai_is_clk_master(rdai)) | |
921 | return 0; | |
922 | ||
923 | /* | |
924 | * We can't use SRC sync convert | |
925 | * if it has DVC | |
926 | */ | |
927 | if (rsnd_io_to_mod_dvc(io)) | |
928 | return 0; | |
929 | ||
930 | /* | |
931 | * enable sync convert | |
932 | */ | |
b65a7ccc | 933 | ret = rsnd_kctrl_new_s(mod, io, rtd, |
43cb6954 KM |
934 | rsnd_io_is_play(io) ? |
935 | "SRC Out Rate Switch" : | |
936 | "SRC In Rate Switch", | |
937 | rsnd_src_reconvert_update, | |
938 | &src->sen, 1); | |
939 | if (ret < 0) | |
940 | return ret; | |
941 | ||
b65a7ccc | 942 | ret = rsnd_kctrl_new_s(mod, io, rtd, |
43cb6954 KM |
943 | rsnd_io_is_play(io) ? |
944 | "SRC Out Rate" : | |
945 | "SRC In Rate", | |
946 | rsnd_src_reconvert_update, | |
947 | &src->sync, 192000); | |
948 | ||
949 | return ret; | |
950 | } | |
951 | ||
ba9c949f | 952 | static struct rsnd_mod_ops rsnd_src_gen2_ops = { |
8aefda50 | 953 | .name = SRC_NAME, |
72adc61f | 954 | .dma_req = rsnd_src_dma_req, |
ba9c949f KM |
955 | .probe = rsnd_src_probe_gen2, |
956 | .remove = rsnd_src_remove_gen2, | |
957 | .init = rsnd_src_init_gen2, | |
958 | .quit = rsnd_src_quit, | |
959 | .start = rsnd_src_start_gen2, | |
960 | .stop = rsnd_src_stop_gen2, | |
3b7843ff | 961 | .hw_params = rsnd_src_hw_params, |
43cb6954 | 962 | .pcm_new = rsnd_src_pcm_new, |
629509c5 KM |
963 | }; |
964 | ||
ba9c949f | 965 | struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id) |
07539c1d | 966 | { |
ba9c949f | 967 | if (WARN_ON(id < 0 || id >= rsnd_src_nr(priv))) |
8b14719b | 968 | id = 0; |
07539c1d | 969 | |
ba9c949f | 970 | return &((struct rsnd_src *)(priv->src) + id)->mod; |
07539c1d KM |
971 | } |
972 | ||
90e8e50f KM |
973 | static void rsnd_of_parse_src(struct platform_device *pdev, |
974 | const struct rsnd_of_data *of_data, | |
975 | struct rsnd_priv *priv) | |
976 | { | |
977 | struct device_node *src_node; | |
cfcefe01 | 978 | struct device_node *np; |
90e8e50f KM |
979 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); |
980 | struct rsnd_src_platform_info *src_info; | |
981 | struct device *dev = &pdev->dev; | |
cfcefe01 | 982 | int nr, i; |
90e8e50f KM |
983 | |
984 | if (!of_data) | |
985 | return; | |
986 | ||
82e76ed3 | 987 | src_node = rsnd_src_of_node(priv); |
90e8e50f KM |
988 | if (!src_node) |
989 | return; | |
990 | ||
991 | nr = of_get_child_count(src_node); | |
992 | if (!nr) | |
f451e48d | 993 | goto rsnd_of_parse_src_end; |
90e8e50f KM |
994 | |
995 | src_info = devm_kzalloc(dev, | |
996 | sizeof(struct rsnd_src_platform_info) * nr, | |
997 | GFP_KERNEL); | |
998 | if (!src_info) { | |
999 | dev_err(dev, "src info allocation error\n"); | |
f451e48d | 1000 | goto rsnd_of_parse_src_end; |
90e8e50f KM |
1001 | } |
1002 | ||
1003 | info->src_info = src_info; | |
1004 | info->src_info_nr = nr; | |
f451e48d | 1005 | |
cfcefe01 KM |
1006 | i = 0; |
1007 | for_each_child_of_node(src_node, np) { | |
1008 | src_info[i].irq = irq_of_parse_and_map(np, 0); | |
1009 | ||
1010 | i++; | |
1011 | } | |
1012 | ||
f451e48d KM |
1013 | rsnd_of_parse_src_end: |
1014 | of_node_put(src_node); | |
90e8e50f KM |
1015 | } |
1016 | ||
ba9c949f | 1017 | int rsnd_src_probe(struct platform_device *pdev, |
90e8e50f | 1018 | const struct rsnd_of_data *of_data, |
07539c1d KM |
1019 | struct rsnd_priv *priv) |
1020 | { | |
5da39cf3 | 1021 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); |
07539c1d | 1022 | struct device *dev = rsnd_priv_to_dev(priv); |
ba9c949f | 1023 | struct rsnd_src *src; |
013f38fe | 1024 | struct rsnd_mod_ops *ops; |
ef749400 | 1025 | struct clk *clk; |
ba9c949f | 1026 | char name[RSND_SRC_NAME_SIZE]; |
2f78dd7f | 1027 | int i, nr, ret; |
07539c1d | 1028 | |
033e7ed8 KM |
1029 | ops = NULL; |
1030 | if (rsnd_is_gen1(priv)) | |
1031 | ops = &rsnd_src_gen1_ops; | |
1032 | if (rsnd_is_gen2(priv)) | |
1033 | ops = &rsnd_src_gen2_ops; | |
1034 | if (!ops) { | |
1035 | dev_err(dev, "unknown Generation\n"); | |
1036 | return -EIO; | |
1037 | } | |
1038 | ||
90e8e50f KM |
1039 | rsnd_of_parse_src(pdev, of_data, priv); |
1040 | ||
07539c1d | 1041 | /* |
ba9c949f | 1042 | * init SRC |
07539c1d | 1043 | */ |
ba9c949f | 1044 | nr = info->src_info_nr; |
389933d9 KM |
1045 | if (!nr) |
1046 | return 0; | |
1047 | ||
ba9c949f | 1048 | src = devm_kzalloc(dev, sizeof(*src) * nr, GFP_KERNEL); |
33363f7a | 1049 | if (!src) |
07539c1d | 1050 | return -ENOMEM; |
07539c1d | 1051 | |
ba9c949f KM |
1052 | priv->src_nr = nr; |
1053 | priv->src = src; | |
07539c1d | 1054 | |
ba9c949f | 1055 | for_each_rsnd_src(src, priv, i) { |
8aefda50 KM |
1056 | snprintf(name, RSND_SRC_NAME_SIZE, "%s.%d", |
1057 | SRC_NAME, i); | |
ef749400 KM |
1058 | |
1059 | clk = devm_clk_get(dev, name); | |
1060 | if (IS_ERR(clk)) | |
1061 | return PTR_ERR(clk); | |
1062 | ||
ba9c949f | 1063 | src->info = &info->src_info[i]; |
07539c1d | 1064 | |
2099bc8e | 1065 | ret = rsnd_mod_init(priv, &src->mod, ops, clk, RSND_MOD_SRC, i); |
2f78dd7f KM |
1066 | if (ret) |
1067 | return ret; | |
374a5281 | 1068 | } |
07539c1d KM |
1069 | |
1070 | return 0; | |
1071 | } | |
2f78dd7f KM |
1072 | |
1073 | void rsnd_src_remove(struct platform_device *pdev, | |
1074 | struct rsnd_priv *priv) | |
1075 | { | |
1076 | struct rsnd_src *src; | |
1077 | int i; | |
1078 | ||
1079 | for_each_rsnd_src(src, priv, i) { | |
1080 | rsnd_mod_quit(&src->mod); | |
1081 | } | |
1082 | } |