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 */ | |
218 | if (rsnd_ssi_is_dma_mode(ssi_mod)) | |
219 | rsnd_mod_write(ssi_mod, INT_ENABLE, 0x0e000000); | |
220 | else | |
b8cc41e9 KM |
221 | rsnd_mod_write(ssi_mod, INT_ENABLE, 0x0f000000); |
222 | ||
223 | return 0; | |
224 | } | |
225 | ||
f708d944 | 226 | int rsnd_src_ssi_irq_disable(struct rsnd_mod *ssi_mod) |
c17dba8b KM |
227 | { |
228 | struct rsnd_priv *priv = rsnd_mod_to_priv(ssi_mod); | |
229 | ||
230 | if (rsnd_is_gen1(priv)) | |
231 | return 0; | |
232 | ||
233 | /* disable SSI interrupt if Gen2 */ | |
234 | rsnd_mod_write(ssi_mod, INT_ENABLE, 0x00000000); | |
235 | ||
236 | return 0; | |
237 | } | |
238 | ||
88c61cff KM |
239 | static u32 rsnd_src_convert_rate(struct rsnd_dai_stream *io, |
240 | struct rsnd_src *src) | |
43cb6954 | 241 | { |
43cb6954 KM |
242 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
243 | u32 convert_rate; | |
244 | ||
245 | if (!runtime) | |
246 | return 0; | |
247 | ||
248 | if (!rsnd_enable_sync_convert(src)) | |
249 | return src->convert_rate; | |
250 | ||
251 | convert_rate = src->sync.val; | |
252 | ||
253 | if (!convert_rate) | |
254 | convert_rate = src->convert_rate; | |
255 | ||
256 | if (!convert_rate) | |
257 | convert_rate = runtime->rate; | |
258 | ||
259 | return convert_rate; | |
260 | } | |
261 | ||
ba9c949f | 262 | unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv, |
374e5426 | 263 | struct rsnd_dai_stream *io, |
1b7b08ef KM |
264 | struct snd_pcm_runtime *runtime) |
265 | { | |
b1eac430 | 266 | struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io); |
ba9c949f | 267 | struct rsnd_src *src; |
b1eac430 | 268 | unsigned int rate = 0; |
1b7b08ef | 269 | |
b1eac430 KM |
270 | if (src_mod) { |
271 | src = rsnd_mod_to_src(src_mod); | |
272 | ||
273 | /* | |
274 | * return convert rate if SRC is used, | |
275 | * otherwise, return runtime->rate as usual | |
276 | */ | |
88c61cff | 277 | rate = rsnd_src_convert_rate(io, src); |
b1eac430 | 278 | } |
1b7b08ef | 279 | |
1b7b08ef KM |
280 | if (!rate) |
281 | rate = runtime->rate; | |
282 | ||
283 | return rate; | |
284 | } | |
285 | ||
4e2639ff KM |
286 | static int rsnd_src_set_convert_rate(struct rsnd_mod *mod, |
287 | struct rsnd_dai_stream *io) | |
1b7b08ef KM |
288 | { |
289 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); | |
ba9c949f | 290 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
88c61cff | 291 | u32 convert_rate = rsnd_src_convert_rate(io, src); |
1b7b08ef KM |
292 | u32 fsrate = 0; |
293 | ||
294 | if (convert_rate) | |
295 | fsrate = 0x0400000 / convert_rate * runtime->rate; | |
296 | ||
297 | /* set/clear soft reset */ | |
298 | rsnd_mod_write(mod, SRC_SWRSR, 0); | |
299 | rsnd_mod_write(mod, SRC_SWRSR, 1); | |
300 | ||
1b7b08ef | 301 | /* Set channel number and output bit length */ |
4e2639ff | 302 | rsnd_mod_write(mod, SRC_ADINR, rsnd_get_adinr(mod, io)); |
1b7b08ef KM |
303 | |
304 | /* Enable the initial value of IFS */ | |
305 | if (fsrate) { | |
306 | rsnd_mod_write(mod, SRC_IFSCR, 1); | |
307 | ||
308 | /* Set initial value of IFS */ | |
309 | rsnd_mod_write(mod, SRC_IFSVR, fsrate); | |
310 | } | |
311 | ||
312 | /* use DMA transfer */ | |
313 | rsnd_mod_write(mod, SRC_BUSIF_MODE, 1); | |
314 | ||
315 | return 0; | |
316 | } | |
317 | ||
3b7843ff | 318 | static int rsnd_src_hw_params(struct rsnd_mod *mod, |
2c0fac19 | 319 | struct rsnd_dai_stream *io, |
3b7843ff KM |
320 | struct snd_pcm_substream *substream, |
321 | struct snd_pcm_hw_params *fe_params) | |
322 | { | |
323 | struct rsnd_src *src = rsnd_mod_to_src(mod); | |
324 | struct snd_soc_pcm_runtime *fe = substream->private_data; | |
325 | ||
326 | /* default value (mainly for non-DT) */ | |
327 | src->convert_rate = src->info->convert_rate; | |
328 | ||
329 | /* | |
330 | * SRC assumes that it is used under DPCM if user want to use | |
331 | * sampling rate convert. Then, SRC should be FE. | |
332 | * And then, this function will be called *after* BE settings. | |
333 | * this means, each BE already has fixuped hw_params. | |
334 | * see | |
335 | * dpcm_fe_dai_hw_params() | |
336 | * dpcm_be_dai_hw_params() | |
337 | */ | |
338 | if (fe->dai_link->dynamic) { | |
339 | int stream = substream->stream; | |
340 | struct snd_soc_dpcm *dpcm; | |
341 | struct snd_pcm_hw_params *be_params; | |
342 | ||
343 | list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be) { | |
344 | be_params = &dpcm->hw_params; | |
345 | ||
346 | if (params_rate(fe_params) != params_rate(be_params)) | |
347 | src->convert_rate = params_rate(be_params); | |
348 | } | |
349 | } | |
350 | ||
351 | return 0; | |
352 | } | |
353 | ||
354 | static int rsnd_src_init(struct rsnd_mod *mod, | |
355 | struct rsnd_priv *priv) | |
1b7b08ef | 356 | { |
ba9c949f | 357 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
1b7b08ef | 358 | |
85642952 | 359 | rsnd_mod_hw_start(mod); |
1b7b08ef | 360 | |
cfcefe01 KM |
361 | src->err = 0; |
362 | ||
43cb6954 KM |
363 | /* reset sync convert_rate */ |
364 | src->sync.val = 0; | |
365 | ||
603cefa5 KM |
366 | /* |
367 | * Initialize the operation of the SRC internal circuits | |
368 | * see rsnd_src_start() | |
369 | */ | |
370 | rsnd_mod_write(mod, SRC_SRCIR, 1); | |
371 | ||
1b7b08ef KM |
372 | return 0; |
373 | } | |
374 | ||
ba9c949f | 375 | static int rsnd_src_quit(struct rsnd_mod *mod, |
2c0fac19 | 376 | struct rsnd_dai_stream *io, |
690602fc | 377 | struct rsnd_priv *priv) |
1b7b08ef | 378 | { |
ba9c949f | 379 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
cfcefe01 | 380 | struct device *dev = rsnd_priv_to_dev(priv); |
1b7b08ef | 381 | |
85642952 | 382 | rsnd_mod_hw_stop(mod); |
1b7b08ef | 383 | |
cfcefe01 | 384 | if (src->err) |
337b0b4c KM |
385 | dev_warn(dev, "%s[%d] under/over flow err = %d\n", |
386 | rsnd_mod_name(mod), rsnd_mod_id(mod), src->err); | |
cfcefe01 | 387 | |
3b7843ff KM |
388 | src->convert_rate = 0; |
389 | ||
43cb6954 KM |
390 | /* reset sync convert_rate */ |
391 | src->sync.val = 0; | |
392 | ||
1b7b08ef KM |
393 | return 0; |
394 | } | |
395 | ||
f0ef0cb8 | 396 | static int rsnd_src_start(struct rsnd_mod *mod) |
1b7b08ef | 397 | { |
1b7b08ef KM |
398 | /* |
399 | * Cancel the initialization and operate the SRC function | |
603cefa5 | 400 | * see rsnd_src_init() |
1b7b08ef KM |
401 | */ |
402 | rsnd_mod_write(mod, SRC_SRCIR, 0); | |
403 | ||
1b7b08ef KM |
404 | return 0; |
405 | } | |
406 | ||
f0ef0cb8 | 407 | static int rsnd_src_stop(struct rsnd_mod *mod) |
1b7b08ef | 408 | { |
933cc8cb | 409 | /* nothing to do */ |
1b7b08ef KM |
410 | return 0; |
411 | } | |
412 | ||
1b7b08ef KM |
413 | /* |
414 | * Gen1 functions | |
415 | */ | |
88c61cff KM |
416 | static int rsnd_src_set_route_gen1(struct rsnd_dai_stream *io, |
417 | struct rsnd_mod *mod) | |
374a5281 | 418 | { |
ba9c949f | 419 | struct src_route_config { |
374a5281 KM |
420 | u32 mask; |
421 | int shift; | |
422 | } routes[] = { | |
423 | { 0xF, 0, }, /* 0 */ | |
424 | { 0xF, 4, }, /* 1 */ | |
425 | { 0xF, 8, }, /* 2 */ | |
426 | { 0x7, 12, }, /* 3 */ | |
427 | { 0x7, 16, }, /* 4 */ | |
428 | { 0x7, 20, }, /* 5 */ | |
429 | { 0x7, 24, }, /* 6 */ | |
430 | { 0x3, 28, }, /* 7 */ | |
431 | { 0x3, 30, }, /* 8 */ | |
432 | }; | |
374a5281 KM |
433 | u32 mask; |
434 | u32 val; | |
374a5281 KM |
435 | int id; |
436 | ||
374a5281 | 437 | id = rsnd_mod_id(mod); |
b5f3d7af | 438 | if (id < 0 || id >= ARRAY_SIZE(routes)) |
374a5281 KM |
439 | return -EIO; |
440 | ||
441 | /* | |
442 | * SRC_ROUTE_SELECT | |
443 | */ | |
985a4f6e | 444 | val = rsnd_io_is_play(io) ? 0x1 : 0x2; |
374a5281 KM |
445 | val = val << routes[id].shift; |
446 | mask = routes[id].mask << routes[id].shift; | |
447 | ||
448 | rsnd_mod_bset(mod, SRC_ROUTE_SEL, mask, val); | |
449 | ||
28dc4b63 KM |
450 | return 0; |
451 | } | |
452 | ||
88c61cff KM |
453 | static int rsnd_src_set_convert_timing_gen1(struct rsnd_dai_stream *io, |
454 | struct rsnd_mod *mod) | |
28dc4b63 KM |
455 | { |
456 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
ba9c949f | 457 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
28dc4b63 | 458 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
88c61cff | 459 | u32 convert_rate = rsnd_src_convert_rate(io, src); |
28dc4b63 KM |
460 | u32 mask; |
461 | u32 val; | |
462 | int shift; | |
463 | int id = rsnd_mod_id(mod); | |
464 | int ret; | |
465 | ||
374a5281 KM |
466 | /* |
467 | * SRC_TIMING_SELECT | |
468 | */ | |
469 | shift = (id % 4) * 8; | |
470 | mask = 0x1F << shift; | |
ef749400 KM |
471 | |
472 | /* | |
473 | * ADG is used as source clock if SRC was used, | |
474 | * then, SSI WS is used as destination clock. | |
475 | * SSI WS is used as source clock if SRC is not used | |
476 | * (when playback, source/destination become reverse when capture) | |
477 | */ | |
28dc4b63 KM |
478 | ret = 0; |
479 | if (convert_rate) { | |
480 | /* use ADG */ | |
ef749400 | 481 | val = 0; |
28dc4b63 KM |
482 | ret = rsnd_adg_set_convert_clk_gen1(priv, mod, |
483 | runtime->rate, | |
484 | convert_rate); | |
485 | } else if (8 == id) { | |
486 | /* use SSI WS, but SRU8 is special */ | |
374a5281 | 487 | val = id << shift; |
28dc4b63 KM |
488 | } else { |
489 | /* use SSI WS */ | |
374a5281 | 490 | val = (id + 1) << shift; |
28dc4b63 KM |
491 | } |
492 | ||
493 | if (ret < 0) | |
494 | return ret; | |
374a5281 KM |
495 | |
496 | switch (id / 4) { | |
497 | case 0: | |
498 | rsnd_mod_bset(mod, SRC_TMG_SEL0, mask, val); | |
499 | break; | |
500 | case 1: | |
501 | rsnd_mod_bset(mod, SRC_TMG_SEL1, mask, val); | |
502 | break; | |
503 | case 2: | |
504 | rsnd_mod_bset(mod, SRC_TMG_SEL2, mask, val); | |
505 | break; | |
506 | } | |
507 | ||
508 | return 0; | |
509 | } | |
510 | ||
4e2639ff KM |
511 | static int rsnd_src_set_convert_rate_gen1(struct rsnd_mod *mod, |
512 | struct rsnd_dai_stream *io) | |
374a5281 | 513 | { |
933cc8cb | 514 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
1b7b08ef | 515 | int ret; |
ef749400 | 516 | |
4e2639ff | 517 | ret = rsnd_src_set_convert_rate(mod, io); |
1b7b08ef KM |
518 | if (ret < 0) |
519 | return ret; | |
ef749400 | 520 | |
1b7b08ef KM |
521 | /* Select SRC mode (fixed value) */ |
522 | rsnd_mod_write(mod, SRC_SRCCR, 0x00010110); | |
ef749400 | 523 | |
1b7b08ef KM |
524 | /* Set the restriction value of the FS ratio (98%) */ |
525 | rsnd_mod_write(mod, SRC_MNFSR, | |
526 | rsnd_mod_read(mod, SRC_IFSVR) / 100 * 98); | |
ef749400 | 527 | |
933cc8cb | 528 | /* Gen1/Gen2 are not compatible */ |
88c61cff | 529 | if (rsnd_src_convert_rate(io, src)) |
933cc8cb KM |
530 | rsnd_mod_write(mod, SRC_ROUTE_MODE0, 1); |
531 | ||
1b7b08ef | 532 | /* no SRC_BFSSR settings, since SRC_SRCCR::BUFMD is 0 */ |
ef749400 | 533 | |
374a5281 KM |
534 | return 0; |
535 | } | |
536 | ||
ba9c949f | 537 | static int rsnd_src_init_gen1(struct rsnd_mod *mod, |
2c0fac19 | 538 | struct rsnd_dai_stream *io, |
690602fc | 539 | struct rsnd_priv *priv) |
07539c1d | 540 | { |
374a5281 KM |
541 | int ret; |
542 | ||
3b7843ff | 543 | ret = rsnd_src_init(mod, priv); |
7b5ce975 KM |
544 | if (ret < 0) |
545 | return ret; | |
546 | ||
88c61cff | 547 | ret = rsnd_src_set_route_gen1(io, mod); |
374a5281 KM |
548 | if (ret < 0) |
549 | return ret; | |
550 | ||
4e2639ff | 551 | ret = rsnd_src_set_convert_rate_gen1(mod, io); |
374a5281 KM |
552 | if (ret < 0) |
553 | return ret; | |
07539c1d | 554 | |
88c61cff | 555 | ret = rsnd_src_set_convert_timing_gen1(io, mod); |
28dc4b63 KM |
556 | if (ret < 0) |
557 | return ret; | |
558 | ||
a204d90c KM |
559 | return 0; |
560 | } | |
561 | ||
ba9c949f | 562 | static int rsnd_src_start_gen1(struct rsnd_mod *mod, |
2c0fac19 | 563 | struct rsnd_dai_stream *io, |
690602fc | 564 | struct rsnd_priv *priv) |
a204d90c | 565 | { |
1b7b08ef | 566 | int id = rsnd_mod_id(mod); |
a204d90c | 567 | |
1b7b08ef | 568 | rsnd_mod_bset(mod, SRC_ROUTE_CTRL, (1 << id), (1 << id)); |
374a5281 | 569 | |
f0ef0cb8 | 570 | return rsnd_src_start(mod); |
07539c1d KM |
571 | } |
572 | ||
ba9c949f | 573 | static int rsnd_src_stop_gen1(struct rsnd_mod *mod, |
2c0fac19 | 574 | struct rsnd_dai_stream *io, |
690602fc | 575 | struct rsnd_priv *priv) |
a204d90c | 576 | { |
e7ce74ea | 577 | int id = rsnd_mod_id(mod); |
a204d90c | 578 | |
1b7b08ef | 579 | rsnd_mod_bset(mod, SRC_ROUTE_CTRL, (1 << id), 0); |
e7ce74ea | 580 | |
f0ef0cb8 | 581 | return rsnd_src_stop(mod); |
a204d90c KM |
582 | } |
583 | ||
ba9c949f | 584 | static struct rsnd_mod_ops rsnd_src_gen1_ops = { |
8aefda50 | 585 | .name = SRC_NAME, |
72adc61f | 586 | .dma_req = rsnd_src_dma_req, |
ba9c949f KM |
587 | .init = rsnd_src_init_gen1, |
588 | .quit = rsnd_src_quit, | |
589 | .start = rsnd_src_start_gen1, | |
590 | .stop = rsnd_src_stop_gen1, | |
3b7843ff | 591 | .hw_params = rsnd_src_hw_params, |
1b7b08ef | 592 | }; |
e7ce74ea | 593 | |
1b7b08ef KM |
594 | /* |
595 | * Gen2 functions | |
596 | */ | |
cfcefe01 KM |
597 | #define rsnd_src_irq_enable_gen2(mod) rsnd_src_irq_ctrol_gen2(mod, 1) |
598 | #define rsnd_src_irq_disable_gen2(mod) rsnd_src_irq_ctrol_gen2(mod, 0) | |
599 | static void rsnd_src_irq_ctrol_gen2(struct rsnd_mod *mod, int enable) | |
600 | { | |
601 | struct rsnd_src *src = rsnd_mod_to_src(mod); | |
602 | u32 sys_int_val, int_val, sys_int_mask; | |
603 | int irq = src->info->irq; | |
604 | int id = rsnd_mod_id(mod); | |
605 | ||
606 | sys_int_val = | |
607 | sys_int_mask = OUF_SRC(id); | |
608 | int_val = 0x3300; | |
609 | ||
610 | /* | |
611 | * IRQ is not supported on non-DT | |
612 | * see | |
613 | * rsnd_src_probe_gen2() | |
614 | */ | |
615 | if ((irq <= 0) || !enable) { | |
616 | sys_int_val = 0; | |
617 | int_val = 0; | |
618 | } | |
619 | ||
620 | rsnd_mod_write(mod, SRC_INT_ENABLE0, int_val); | |
621 | rsnd_mod_bset(mod, SCU_SYS_INT_EN0, sys_int_mask, sys_int_val); | |
622 | rsnd_mod_bset(mod, SCU_SYS_INT_EN1, sys_int_mask, sys_int_val); | |
623 | } | |
624 | ||
625 | static void rsnd_src_error_clear_gen2(struct rsnd_mod *mod) | |
626 | { | |
627 | u32 val = OUF_SRC(rsnd_mod_id(mod)); | |
628 | ||
629 | rsnd_mod_bset(mod, SCU_SYS_STATUS0, val, val); | |
630 | rsnd_mod_bset(mod, SCU_SYS_STATUS1, val, val); | |
631 | } | |
632 | ||
633 | static bool rsnd_src_error_record_gen2(struct rsnd_mod *mod) | |
634 | { | |
635 | u32 val = OUF_SRC(rsnd_mod_id(mod)); | |
636 | bool ret = false; | |
637 | ||
638 | if ((rsnd_mod_read(mod, SCU_SYS_STATUS0) & val) || | |
639 | (rsnd_mod_read(mod, SCU_SYS_STATUS1) & val)) { | |
640 | struct rsnd_src *src = rsnd_mod_to_src(mod); | |
641 | ||
642 | src->err++; | |
643 | ret = true; | |
644 | } | |
645 | ||
646 | /* clear error static */ | |
647 | rsnd_src_error_clear_gen2(mod); | |
648 | ||
649 | return ret; | |
650 | } | |
651 | ||
88c61cff KM |
652 | static int _rsnd_src_start_gen2(struct rsnd_mod *mod, |
653 | struct rsnd_dai_stream *io) | |
cfcefe01 | 654 | { |
cfcefe01 KM |
655 | u32 val = rsnd_io_to_mod_dvc(io) ? 0x01 : 0x11; |
656 | ||
657 | rsnd_mod_write(mod, SRC_CTRL, val); | |
658 | ||
659 | rsnd_src_error_clear_gen2(mod); | |
660 | ||
661 | rsnd_src_start(mod); | |
662 | ||
663 | rsnd_src_irq_enable_gen2(mod); | |
664 | ||
665 | return 0; | |
666 | } | |
667 | ||
668 | static int _rsnd_src_stop_gen2(struct rsnd_mod *mod) | |
669 | { | |
670 | rsnd_src_irq_disable_gen2(mod); | |
671 | ||
672 | rsnd_mod_write(mod, SRC_CTRL, 0); | |
673 | ||
674 | rsnd_src_error_record_gen2(mod); | |
675 | ||
676 | return rsnd_src_stop(mod); | |
677 | } | |
678 | ||
88c61cff KM |
679 | static void __rsnd_src_interrupt_gen2(struct rsnd_mod *mod, |
680 | struct rsnd_dai_stream *io) | |
cfcefe01 | 681 | { |
02299d98 KM |
682 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); |
683 | ||
684 | spin_lock(&priv->lock); | |
cfcefe01 | 685 | |
02299d98 | 686 | /* ignore all cases if not working */ |
d5bbe7de | 687 | if (!rsnd_io_is_working(io)) |
02299d98 | 688 | goto rsnd_src_interrupt_gen2_out; |
cfcefe01 KM |
689 | |
690 | if (rsnd_src_error_record_gen2(mod)) { | |
691 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
639b231f | 692 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
cfcefe01 KM |
693 | struct device *dev = rsnd_priv_to_dev(priv); |
694 | ||
cfcefe01 KM |
695 | dev_dbg(dev, "%s[%d] restart\n", |
696 | rsnd_mod_name(mod), rsnd_mod_id(mod)); | |
639b231f KM |
697 | |
698 | _rsnd_src_stop_gen2(mod); | |
699 | if (src->err < 1024) | |
88c61cff | 700 | _rsnd_src_start_gen2(mod, io); |
639b231f KM |
701 | else |
702 | dev_warn(dev, "no more SRC restart\n"); | |
cfcefe01 | 703 | } |
88c61cff | 704 | |
02299d98 KM |
705 | rsnd_src_interrupt_gen2_out: |
706 | spin_unlock(&priv->lock); | |
88c61cff KM |
707 | } |
708 | ||
709 | static irqreturn_t rsnd_src_interrupt_gen2(int irq, void *data) | |
710 | { | |
711 | struct rsnd_mod *mod = data; | |
712 | ||
713 | rsnd_mod_interrupt(mod, __rsnd_src_interrupt_gen2); | |
cfcefe01 KM |
714 | |
715 | return IRQ_HANDLED; | |
716 | } | |
717 | ||
4e2639ff KM |
718 | static int rsnd_src_set_convert_rate_gen2(struct rsnd_mod *mod, |
719 | struct rsnd_dai_stream *io) | |
629509c5 | 720 | { |
054cd7f4 KM |
721 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); |
722 | struct device *dev = rsnd_priv_to_dev(priv); | |
054cd7f4 KM |
723 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
724 | struct rsnd_src *src = rsnd_mod_to_src(mod); | |
88c61cff | 725 | u32 convert_rate = rsnd_src_convert_rate(io, src); |
43cb6954 | 726 | u32 cr, route; |
054cd7f4 | 727 | uint ratio; |
629509c5 KM |
728 | int ret; |
729 | ||
054cd7f4 | 730 | /* 6 - 1/6 are very enough ratio for SRC_BSDSR */ |
b167a578 | 731 | if (!convert_rate) |
054cd7f4 | 732 | ratio = 0; |
b167a578 KM |
733 | else if (convert_rate > runtime->rate) |
734 | ratio = 100 * convert_rate / runtime->rate; | |
054cd7f4 | 735 | else |
b167a578 | 736 | ratio = 100 * runtime->rate / convert_rate; |
054cd7f4 KM |
737 | |
738 | if (ratio > 600) { | |
739 | dev_err(dev, "FSO/FSI ratio error\n"); | |
740 | return -EINVAL; | |
741 | } | |
742 | ||
4e2639ff | 743 | ret = rsnd_src_set_convert_rate(mod, io); |
629509c5 KM |
744 | if (ret < 0) |
745 | return ret; | |
746 | ||
43cb6954 KM |
747 | cr = 0x00011110; |
748 | route = 0x0; | |
933cc8cb | 749 | if (convert_rate) { |
43cb6954 KM |
750 | route = 0x1; |
751 | ||
752 | if (rsnd_enable_sync_convert(src)) { | |
753 | cr |= 0x1; | |
754 | route |= rsnd_io_is_play(io) ? | |
755 | (0x1 << 24) : (0x1 << 25); | |
756 | } | |
933cc8cb KM |
757 | } |
758 | ||
43cb6954 KM |
759 | rsnd_mod_write(mod, SRC_SRCCR, cr); |
760 | rsnd_mod_write(mod, SRC_ROUTE_MODE0, route); | |
761 | ||
054cd7f4 KM |
762 | switch (rsnd_mod_id(mod)) { |
763 | case 5: | |
764 | case 6: | |
765 | case 7: | |
766 | case 8: | |
767 | rsnd_mod_write(mod, SRC_BSDSR, 0x02400000); | |
768 | break; | |
769 | default: | |
770 | rsnd_mod_write(mod, SRC_BSDSR, 0x01800000); | |
771 | break; | |
772 | } | |
773 | ||
629509c5 KM |
774 | rsnd_mod_write(mod, SRC_BSISR, 0x00100060); |
775 | ||
776 | return 0; | |
777 | } | |
778 | ||
88c61cff KM |
779 | static int rsnd_src_set_convert_timing_gen2(struct rsnd_dai_stream *io, |
780 | struct rsnd_mod *mod) | |
629509c5 KM |
781 | { |
782 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); | |
ba9c949f | 783 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
88c61cff | 784 | u32 convert_rate = rsnd_src_convert_rate(io, src); |
629509c5 KM |
785 | int ret; |
786 | ||
787 | if (convert_rate) | |
f708d944 | 788 | ret = rsnd_adg_set_convert_clk_gen2(mod, io, |
629509c5 KM |
789 | runtime->rate, |
790 | convert_rate); | |
791 | else | |
f708d944 | 792 | ret = rsnd_adg_set_convert_timing_gen2(mod, io); |
629509c5 KM |
793 | |
794 | return ret; | |
795 | } | |
796 | ||
ba9c949f | 797 | static int rsnd_src_probe_gen2(struct rsnd_mod *mod, |
2c0fac19 | 798 | struct rsnd_dai_stream *io, |
690602fc | 799 | struct rsnd_priv *priv) |
76c6fb5c | 800 | { |
ba9c949f | 801 | struct rsnd_src *src = rsnd_mod_to_src(mod); |
76c6fb5c | 802 | struct device *dev = rsnd_priv_to_dev(priv); |
cfcefe01 | 803 | int irq = src->info->irq; |
76c6fb5c | 804 | int ret; |
76c6fb5c | 805 | |
cfcefe01 KM |
806 | if (irq > 0) { |
807 | /* | |
808 | * IRQ is not supported on non-DT | |
809 | * see | |
810 | * rsnd_src_irq_enable_gen2() | |
811 | */ | |
812 | ret = devm_request_irq(dev, irq, | |
813 | rsnd_src_interrupt_gen2, | |
814 | IRQF_SHARED, | |
815 | dev_name(dev), mod); | |
816 | if (ret) | |
b543b52a | 817 | return ret; |
cfcefe01 KM |
818 | } |
819 | ||
9b99e9a7 | 820 | ret = rsnd_dma_init(io, |
76c6fb5c | 821 | rsnd_mod_to_dma(mod), |
ba9c949f | 822 | src->info->dma_id); |
8aefda50 | 823 | |
76c6fb5c KM |
824 | return ret; |
825 | } | |
826 | ||
ba9c949f | 827 | static int rsnd_src_remove_gen2(struct rsnd_mod *mod, |
2c0fac19 | 828 | struct rsnd_dai_stream *io, |
690602fc | 829 | struct rsnd_priv *priv) |
76c6fb5c | 830 | { |
9b99e9a7 | 831 | rsnd_dma_quit(io, rsnd_mod_to_dma(mod)); |
76c6fb5c KM |
832 | |
833 | return 0; | |
834 | } | |
835 | ||
ba9c949f | 836 | static int rsnd_src_init_gen2(struct rsnd_mod *mod, |
2c0fac19 | 837 | struct rsnd_dai_stream *io, |
690602fc | 838 | struct rsnd_priv *priv) |
629509c5 KM |
839 | { |
840 | int ret; | |
841 | ||
3b7843ff | 842 | ret = rsnd_src_init(mod, priv); |
629509c5 KM |
843 | if (ret < 0) |
844 | return ret; | |
845 | ||
4e2639ff | 846 | ret = rsnd_src_set_convert_rate_gen2(mod, io); |
629509c5 KM |
847 | if (ret < 0) |
848 | return ret; | |
849 | ||
88c61cff | 850 | ret = rsnd_src_set_convert_timing_gen2(io, mod); |
629509c5 KM |
851 | if (ret < 0) |
852 | return ret; | |
853 | ||
854 | return 0; | |
855 | } | |
856 | ||
ba9c949f | 857 | static int rsnd_src_start_gen2(struct rsnd_mod *mod, |
2c0fac19 | 858 | struct rsnd_dai_stream *io, |
690602fc | 859 | struct rsnd_priv *priv) |
629509c5 | 860 | { |
9b99e9a7 | 861 | rsnd_dma_start(io, rsnd_mod_to_dma(mod)); |
629509c5 | 862 | |
88c61cff | 863 | return _rsnd_src_start_gen2(mod, io); |
629509c5 KM |
864 | } |
865 | ||
ba9c949f | 866 | static int rsnd_src_stop_gen2(struct rsnd_mod *mod, |
2c0fac19 | 867 | struct rsnd_dai_stream *io, |
690602fc | 868 | struct rsnd_priv *priv) |
629509c5 | 869 | { |
cfcefe01 | 870 | int ret; |
629509c5 | 871 | |
cfcefe01 | 872 | ret = _rsnd_src_stop_gen2(mod); |
629509c5 | 873 | |
9b99e9a7 | 874 | rsnd_dma_stop(io, rsnd_mod_to_dma(mod)); |
629509c5 | 875 | |
cfcefe01 | 876 | return ret; |
629509c5 KM |
877 | } |
878 | ||
b65a7ccc KM |
879 | static void rsnd_src_reconvert_update(struct rsnd_dai_stream *io, |
880 | struct rsnd_mod *mod) | |
43cb6954 | 881 | { |
43cb6954 KM |
882 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
883 | struct rsnd_src *src = rsnd_mod_to_src(mod); | |
88c61cff | 884 | u32 convert_rate = rsnd_src_convert_rate(io, src); |
43cb6954 KM |
885 | u32 fsrate; |
886 | ||
887 | if (!runtime) | |
888 | return; | |
889 | ||
890 | if (!convert_rate) | |
891 | convert_rate = runtime->rate; | |
892 | ||
893 | fsrate = 0x0400000 / convert_rate * runtime->rate; | |
894 | ||
895 | /* update IFS */ | |
896 | rsnd_mod_write(mod, SRC_IFSVR, fsrate); | |
897 | } | |
898 | ||
899 | static int rsnd_src_pcm_new(struct rsnd_mod *mod, | |
2c0fac19 | 900 | struct rsnd_dai_stream *io, |
43cb6954 KM |
901 | struct snd_soc_pcm_runtime *rtd) |
902 | { | |
903 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
43cb6954 KM |
904 | struct rsnd_dai *rdai = rsnd_io_to_rdai(io); |
905 | struct rsnd_src *src = rsnd_mod_to_src(mod); | |
906 | int ret; | |
907 | ||
908 | /* | |
909 | * enable SRC sync convert if possible | |
910 | */ | |
911 | ||
912 | /* | |
913 | * Gen1 is not supported | |
914 | */ | |
915 | if (rsnd_is_gen1(priv)) | |
916 | return 0; | |
917 | ||
918 | /* | |
919 | * SRC sync convert needs clock master | |
920 | */ | |
921 | if (!rsnd_rdai_is_clk_master(rdai)) | |
922 | return 0; | |
923 | ||
924 | /* | |
925 | * We can't use SRC sync convert | |
926 | * if it has DVC | |
927 | */ | |
928 | if (rsnd_io_to_mod_dvc(io)) | |
929 | return 0; | |
930 | ||
931 | /* | |
932 | * enable sync convert | |
933 | */ | |
b65a7ccc | 934 | ret = rsnd_kctrl_new_s(mod, io, rtd, |
43cb6954 KM |
935 | rsnd_io_is_play(io) ? |
936 | "SRC Out Rate Switch" : | |
937 | "SRC In Rate Switch", | |
938 | rsnd_src_reconvert_update, | |
939 | &src->sen, 1); | |
940 | if (ret < 0) | |
941 | return ret; | |
942 | ||
b65a7ccc | 943 | ret = rsnd_kctrl_new_s(mod, io, rtd, |
43cb6954 KM |
944 | rsnd_io_is_play(io) ? |
945 | "SRC Out Rate" : | |
946 | "SRC In Rate", | |
947 | rsnd_src_reconvert_update, | |
948 | &src->sync, 192000); | |
949 | ||
950 | return ret; | |
951 | } | |
952 | ||
ba9c949f | 953 | static struct rsnd_mod_ops rsnd_src_gen2_ops = { |
8aefda50 | 954 | .name = SRC_NAME, |
72adc61f | 955 | .dma_req = rsnd_src_dma_req, |
ba9c949f KM |
956 | .probe = rsnd_src_probe_gen2, |
957 | .remove = rsnd_src_remove_gen2, | |
958 | .init = rsnd_src_init_gen2, | |
959 | .quit = rsnd_src_quit, | |
960 | .start = rsnd_src_start_gen2, | |
961 | .stop = rsnd_src_stop_gen2, | |
3b7843ff | 962 | .hw_params = rsnd_src_hw_params, |
43cb6954 | 963 | .pcm_new = rsnd_src_pcm_new, |
629509c5 KM |
964 | }; |
965 | ||
ba9c949f | 966 | struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id) |
07539c1d | 967 | { |
ba9c949f | 968 | if (WARN_ON(id < 0 || id >= rsnd_src_nr(priv))) |
8b14719b | 969 | id = 0; |
07539c1d | 970 | |
ba9c949f | 971 | return &((struct rsnd_src *)(priv->src) + id)->mod; |
07539c1d KM |
972 | } |
973 | ||
90e8e50f KM |
974 | static void rsnd_of_parse_src(struct platform_device *pdev, |
975 | const struct rsnd_of_data *of_data, | |
976 | struct rsnd_priv *priv) | |
977 | { | |
978 | struct device_node *src_node; | |
cfcefe01 | 979 | struct device_node *np; |
90e8e50f KM |
980 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); |
981 | struct rsnd_src_platform_info *src_info; | |
982 | struct device *dev = &pdev->dev; | |
cfcefe01 | 983 | int nr, i; |
90e8e50f KM |
984 | |
985 | if (!of_data) | |
986 | return; | |
987 | ||
82e76ed3 | 988 | src_node = rsnd_src_of_node(priv); |
90e8e50f KM |
989 | if (!src_node) |
990 | return; | |
991 | ||
992 | nr = of_get_child_count(src_node); | |
993 | if (!nr) | |
f451e48d | 994 | goto rsnd_of_parse_src_end; |
90e8e50f KM |
995 | |
996 | src_info = devm_kzalloc(dev, | |
997 | sizeof(struct rsnd_src_platform_info) * nr, | |
998 | GFP_KERNEL); | |
999 | if (!src_info) { | |
1000 | dev_err(dev, "src info allocation error\n"); | |
f451e48d | 1001 | goto rsnd_of_parse_src_end; |
90e8e50f KM |
1002 | } |
1003 | ||
1004 | info->src_info = src_info; | |
1005 | info->src_info_nr = nr; | |
f451e48d | 1006 | |
cfcefe01 KM |
1007 | i = 0; |
1008 | for_each_child_of_node(src_node, np) { | |
1009 | src_info[i].irq = irq_of_parse_and_map(np, 0); | |
1010 | ||
1011 | i++; | |
1012 | } | |
1013 | ||
f451e48d KM |
1014 | rsnd_of_parse_src_end: |
1015 | of_node_put(src_node); | |
90e8e50f KM |
1016 | } |
1017 | ||
ba9c949f | 1018 | int rsnd_src_probe(struct platform_device *pdev, |
90e8e50f | 1019 | const struct rsnd_of_data *of_data, |
07539c1d KM |
1020 | struct rsnd_priv *priv) |
1021 | { | |
5da39cf3 | 1022 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); |
07539c1d | 1023 | struct device *dev = rsnd_priv_to_dev(priv); |
ba9c949f | 1024 | struct rsnd_src *src; |
013f38fe | 1025 | struct rsnd_mod_ops *ops; |
ef749400 | 1026 | struct clk *clk; |
ba9c949f | 1027 | char name[RSND_SRC_NAME_SIZE]; |
2f78dd7f | 1028 | int i, nr, ret; |
07539c1d | 1029 | |
033e7ed8 KM |
1030 | ops = NULL; |
1031 | if (rsnd_is_gen1(priv)) | |
1032 | ops = &rsnd_src_gen1_ops; | |
1033 | if (rsnd_is_gen2(priv)) | |
1034 | ops = &rsnd_src_gen2_ops; | |
1035 | if (!ops) { | |
1036 | dev_err(dev, "unknown Generation\n"); | |
1037 | return -EIO; | |
1038 | } | |
1039 | ||
90e8e50f KM |
1040 | rsnd_of_parse_src(pdev, of_data, priv); |
1041 | ||
07539c1d | 1042 | /* |
ba9c949f | 1043 | * init SRC |
07539c1d | 1044 | */ |
ba9c949f | 1045 | nr = info->src_info_nr; |
389933d9 KM |
1046 | if (!nr) |
1047 | return 0; | |
1048 | ||
ba9c949f | 1049 | src = devm_kzalloc(dev, sizeof(*src) * nr, GFP_KERNEL); |
33363f7a | 1050 | if (!src) |
07539c1d | 1051 | return -ENOMEM; |
07539c1d | 1052 | |
ba9c949f KM |
1053 | priv->src_nr = nr; |
1054 | priv->src = src; | |
07539c1d | 1055 | |
ba9c949f | 1056 | for_each_rsnd_src(src, priv, i) { |
8aefda50 KM |
1057 | snprintf(name, RSND_SRC_NAME_SIZE, "%s.%d", |
1058 | SRC_NAME, i); | |
ef749400 KM |
1059 | |
1060 | clk = devm_clk_get(dev, name); | |
1061 | if (IS_ERR(clk)) | |
1062 | return PTR_ERR(clk); | |
1063 | ||
ba9c949f | 1064 | src->info = &info->src_info[i]; |
07539c1d | 1065 | |
2099bc8e | 1066 | ret = rsnd_mod_init(priv, &src->mod, ops, clk, RSND_MOD_SRC, i); |
2f78dd7f KM |
1067 | if (ret) |
1068 | return ret; | |
374a5281 | 1069 | } |
07539c1d KM |
1070 | |
1071 | return 0; | |
1072 | } | |
2f78dd7f KM |
1073 | |
1074 | void rsnd_src_remove(struct platform_device *pdev, | |
1075 | struct rsnd_priv *priv) | |
1076 | { | |
1077 | struct rsnd_src *src; | |
1078 | int i; | |
1079 | ||
1080 | for_each_rsnd_src(src, priv, i) { | |
1081 | rsnd_mod_quit(&src->mod); | |
1082 | } | |
1083 | } |