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1536a968 KM |
1 | /* |
2 | * Renesas R-Car | |
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 | #ifndef RSND_H | |
12 | #define RSND_H | |
13 | ||
14 | #include <linux/clk.h> | |
15 | #include <linux/device.h> | |
0a4d94c0 | 16 | #include <linux/dma-mapping.h> |
1536a968 KM |
17 | #include <linux/io.h> |
18 | #include <linux/list.h> | |
19 | #include <linux/module.h> | |
90e8e50f KM |
20 | #include <linux/of_device.h> |
21 | #include <linux/of_irq.h> | |
0a4d94c0 KM |
22 | #include <linux/sh_dma.h> |
23 | #include <linux/workqueue.h> | |
1536a968 KM |
24 | #include <sound/rcar_snd.h> |
25 | #include <sound/soc.h> | |
26 | #include <sound/pcm_params.h> | |
27 | ||
28 | /* | |
29 | * pseudo register | |
30 | * | |
31 | * The register address offsets SRU/SCU/SSIU on Gen1/Gen2 are very different. | |
32 | * This driver uses pseudo register in order to hide it. | |
33 | * see gen1/gen2 for detail | |
34 | */ | |
3337744a | 35 | enum rsnd_reg { |
507d466c | 36 | /* SRU/SCU/SSIU */ |
07539c1d KM |
37 | RSND_REG_SSI_MODE0, |
38 | RSND_REG_SSI_MODE1, | |
0290d2a4 | 39 | RSND_REG_SRC_BUSIF_MODE, |
ef749400 KM |
40 | RSND_REG_SRC_ROUTE_MODE0, |
41 | RSND_REG_SRC_SWRSR, | |
42 | RSND_REG_SRC_SRCIR, | |
690ef81e | 43 | RSND_REG_SRC_ADINR, |
ef749400 KM |
44 | RSND_REG_SRC_IFSCR, |
45 | RSND_REG_SRC_IFSVR, | |
46 | RSND_REG_SRC_SRCCR, | |
bff58ea4 KM |
47 | RSND_REG_CMD_ROUTE_SLCT, |
48 | RSND_REG_DVC_SWRSR, | |
49 | RSND_REG_DVC_DVUIR, | |
50 | RSND_REG_DVC_ADINR, | |
51 | RSND_REG_DVC_DVUCR, | |
52 | RSND_REG_DVC_ZCMCR, | |
53 | RSND_REG_DVC_VOL0R, | |
54 | RSND_REG_DVC_VOL1R, | |
55 | RSND_REG_DVC_DVUER, | |
07539c1d | 56 | |
dfc9403b KM |
57 | /* ADG */ |
58 | RSND_REG_BRRA, | |
59 | RSND_REG_BRRB, | |
60 | RSND_REG_SSICKR, | |
61 | RSND_REG_AUDIO_CLK_SEL0, | |
62 | RSND_REG_AUDIO_CLK_SEL1, | |
dfc9403b | 63 | |
ae5c3223 KM |
64 | /* SSI */ |
65 | RSND_REG_SSICR, | |
66 | RSND_REG_SSISR, | |
67 | RSND_REG_SSITDR, | |
68 | RSND_REG_SSIRDR, | |
69 | RSND_REG_SSIWSR, | |
70 | ||
c82e1c88 KM |
71 | /* SHARE see below */ |
72 | RSND_REG_SHARE01, | |
73 | RSND_REG_SHARE02, | |
74 | RSND_REG_SHARE03, | |
75 | RSND_REG_SHARE04, | |
76 | RSND_REG_SHARE05, | |
77 | RSND_REG_SHARE06, | |
78 | RSND_REG_SHARE07, | |
79 | RSND_REG_SHARE08, | |
80 | RSND_REG_SHARE09, | |
81 | RSND_REG_SHARE10, | |
82 | RSND_REG_SHARE11, | |
83 | RSND_REG_SHARE12, | |
84 | RSND_REG_SHARE13, | |
85 | RSND_REG_SHARE14, | |
86 | RSND_REG_SHARE15, | |
87 | RSND_REG_SHARE16, | |
88 | RSND_REG_SHARE17, | |
89 | RSND_REG_SHARE18, | |
90 | RSND_REG_SHARE19, | |
bff58ea4 KM |
91 | RSND_REG_SHARE20, |
92 | RSND_REG_SHARE21, | |
c82e1c88 | 93 | |
3337744a KM |
94 | RSND_REG_MAX, |
95 | }; | |
96 | ||
c82e1c88 KM |
97 | /* Gen1 only */ |
98 | #define RSND_REG_SRC_ROUTE_SEL RSND_REG_SHARE01 | |
99 | #define RSND_REG_SRC_TMG_SEL0 RSND_REG_SHARE02 | |
100 | #define RSND_REG_SRC_TMG_SEL1 RSND_REG_SHARE03 | |
101 | #define RSND_REG_SRC_TMG_SEL2 RSND_REG_SHARE04 | |
102 | #define RSND_REG_SRC_ROUTE_CTRL RSND_REG_SHARE05 | |
103 | #define RSND_REG_SRC_MNFSR RSND_REG_SHARE06 | |
104 | #define RSND_REG_AUDIO_CLK_SEL3 RSND_REG_SHARE07 | |
105 | #define RSND_REG_AUDIO_CLK_SEL4 RSND_REG_SHARE08 | |
106 | #define RSND_REG_AUDIO_CLK_SEL5 RSND_REG_SHARE09 | |
107 | ||
108 | /* Gen2 only */ | |
109 | #define RSND_REG_SRC_CTRL RSND_REG_SHARE01 | |
110 | #define RSND_REG_SSI_CTRL RSND_REG_SHARE02 | |
111 | #define RSND_REG_SSI_BUSIF_MODE RSND_REG_SHARE03 | |
112 | #define RSND_REG_SSI_BUSIF_ADINR RSND_REG_SHARE04 | |
113 | #define RSND_REG_INT_ENABLE RSND_REG_SHARE05 | |
114 | #define RSND_REG_SRC_BSDSR RSND_REG_SHARE06 | |
115 | #define RSND_REG_SRC_BSISR RSND_REG_SHARE07 | |
116 | #define RSND_REG_DIV_EN RSND_REG_SHARE08 | |
117 | #define RSND_REG_SRCIN_TIMSEL0 RSND_REG_SHARE09 | |
118 | #define RSND_REG_SRCIN_TIMSEL1 RSND_REG_SHARE10 | |
119 | #define RSND_REG_SRCIN_TIMSEL2 RSND_REG_SHARE11 | |
120 | #define RSND_REG_SRCIN_TIMSEL3 RSND_REG_SHARE12 | |
121 | #define RSND_REG_SRCIN_TIMSEL4 RSND_REG_SHARE13 | |
122 | #define RSND_REG_SRCOUT_TIMSEL0 RSND_REG_SHARE14 | |
123 | #define RSND_REG_SRCOUT_TIMSEL1 RSND_REG_SHARE15 | |
124 | #define RSND_REG_SRCOUT_TIMSEL2 RSND_REG_SHARE16 | |
125 | #define RSND_REG_SRCOUT_TIMSEL3 RSND_REG_SHARE17 | |
126 | #define RSND_REG_SRCOUT_TIMSEL4 RSND_REG_SHARE18 | |
127 | #define RSND_REG_AUDIO_CLK_SEL2 RSND_REG_SHARE19 | |
bff58ea4 KM |
128 | #define RSND_REG_CMD_CTRL RSND_REG_SHARE20 |
129 | #define RSND_REG_CMDOUT_TIMSEL RSND_REG_SHARE21 | |
c82e1c88 | 130 | |
90e8e50f | 131 | struct rsnd_of_data; |
1536a968 | 132 | struct rsnd_priv; |
cdaa3cdf | 133 | struct rsnd_mod; |
1536a968 KM |
134 | struct rsnd_dai; |
135 | struct rsnd_dai_stream; | |
136 | ||
3337744a KM |
137 | /* |
138 | * R-Car basic functions | |
139 | */ | |
140 | #define rsnd_mod_read(m, r) \ | |
141 | rsnd_read(rsnd_mod_to_priv(m), m, RSND_REG_##r) | |
142 | #define rsnd_mod_write(m, r, d) \ | |
143 | rsnd_write(rsnd_mod_to_priv(m), m, RSND_REG_##r, d) | |
144 | #define rsnd_mod_bset(m, r, s, d) \ | |
145 | rsnd_bset(rsnd_mod_to_priv(m), m, RSND_REG_##r, s, d) | |
146 | ||
3337744a KM |
147 | u32 rsnd_read(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg); |
148 | void rsnd_write(struct rsnd_priv *priv, struct rsnd_mod *mod, | |
149 | enum rsnd_reg reg, u32 data); | |
150 | void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg, | |
151 | u32 mask, u32 data); | |
d7bdbc5d | 152 | u32 rsnd_get_adinr(struct rsnd_mod *mod); |
3337744a | 153 | |
0a4d94c0 KM |
154 | /* |
155 | * R-Car DMA | |
156 | */ | |
157 | struct rsnd_dma { | |
0a4d94c0 KM |
158 | struct sh_dmae_slave slave; |
159 | struct work_struct work; | |
160 | struct dma_chan *chan; | |
161 | enum dma_data_direction dir; | |
0a4d94c0 KM |
162 | |
163 | int submit_loop; | |
4686a0ad | 164 | int offset; /* it cares A/B plane */ |
0a4d94c0 KM |
165 | }; |
166 | ||
167 | void rsnd_dma_start(struct rsnd_dma *dma); | |
168 | void rsnd_dma_stop(struct rsnd_dma *dma); | |
169 | int rsnd_dma_available(struct rsnd_dma *dma); | |
170 | int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma, | |
4686a0ad | 171 | int is_play, int id); |
0a4d94c0 KM |
172 | void rsnd_dma_quit(struct rsnd_priv *priv, |
173 | struct rsnd_dma *dma); | |
174 | ||
175 | ||
cdaa3cdf KM |
176 | /* |
177 | * R-Car sound mod | |
178 | */ | |
a126021d | 179 | enum rsnd_mod_type { |
ba9c949f | 180 | RSND_MOD_SRC = 0, |
a126021d | 181 | RSND_MOD_SSI, |
bff58ea4 | 182 | RSND_MOD_DVC, |
a126021d KM |
183 | RSND_MOD_MAX, |
184 | }; | |
cdaa3cdf KM |
185 | |
186 | struct rsnd_mod_ops { | |
187 | char *name; | |
7681f6ac | 188 | int (*probe)(struct rsnd_mod *mod, |
b42fccf6 | 189 | struct rsnd_dai *rdai); |
7681f6ac | 190 | int (*remove)(struct rsnd_mod *mod, |
b42fccf6 | 191 | struct rsnd_dai *rdai); |
cdaa3cdf | 192 | int (*init)(struct rsnd_mod *mod, |
b42fccf6 | 193 | struct rsnd_dai *rdai); |
cdaa3cdf | 194 | int (*quit)(struct rsnd_mod *mod, |
b42fccf6 | 195 | struct rsnd_dai *rdai); |
cdaa3cdf | 196 | int (*start)(struct rsnd_mod *mod, |
b42fccf6 | 197 | struct rsnd_dai *rdai); |
cdaa3cdf | 198 | int (*stop)(struct rsnd_mod *mod, |
b42fccf6 | 199 | struct rsnd_dai *rdai); |
bff58ea4 KM |
200 | int (*pcm_new)(struct rsnd_mod *mod, |
201 | struct rsnd_dai *rdai, | |
202 | struct snd_soc_pcm_runtime *rtd); | |
cdaa3cdf KM |
203 | }; |
204 | ||
4686a0ad | 205 | struct rsnd_dai_stream; |
cdaa3cdf KM |
206 | struct rsnd_mod { |
207 | int id; | |
a126021d | 208 | enum rsnd_mod_type type; |
cdaa3cdf KM |
209 | struct rsnd_priv *priv; |
210 | struct rsnd_mod_ops *ops; | |
0a4d94c0 | 211 | struct rsnd_dma dma; |
4686a0ad | 212 | struct rsnd_dai_stream *io; |
cdaa3cdf KM |
213 | }; |
214 | ||
215 | #define rsnd_mod_to_priv(mod) ((mod)->priv) | |
0a4d94c0 KM |
216 | #define rsnd_mod_to_dma(mod) (&(mod)->dma) |
217 | #define rsnd_dma_to_mod(_dma) container_of((_dma), struct rsnd_mod, dma) | |
4686a0ad | 218 | #define rsnd_mod_to_io(mod) ((mod)->io) |
cdaa3cdf | 219 | #define rsnd_mod_id(mod) ((mod)->id) |
cdaa3cdf KM |
220 | |
221 | void rsnd_mod_init(struct rsnd_priv *priv, | |
222 | struct rsnd_mod *mod, | |
223 | struct rsnd_mod_ops *ops, | |
a126021d | 224 | enum rsnd_mod_type type, |
cdaa3cdf KM |
225 | int id); |
226 | char *rsnd_mod_name(struct rsnd_mod *mod); | |
227 | ||
1536a968 KM |
228 | /* |
229 | * R-Car sound DAI | |
230 | */ | |
231 | #define RSND_DAI_NAME_SIZE 16 | |
232 | struct rsnd_dai_stream { | |
1536a968 | 233 | struct snd_pcm_substream *substream; |
a126021d | 234 | struct rsnd_mod *mod[RSND_MOD_MAX]; |
389933d9 | 235 | struct rsnd_dai_path_info *info; /* rcar_snd.h */ |
1536a968 KM |
236 | int byte_pos; |
237 | int period_pos; | |
238 | int byte_per_period; | |
239 | int next_period_byte; | |
240 | }; | |
374e5426 | 241 | #define rsnd_io_to_mod_ssi(io) ((io)->mod[RSND_MOD_SSI]) |
ba9c949f | 242 | #define rsnd_io_to_mod_src(io) ((io)->mod[RSND_MOD_SRC]) |
bff58ea4 | 243 | #define rsnd_io_to_mod_dvc(io) ((io)->mod[RSND_MOD_DVC]) |
1536a968 KM |
244 | |
245 | struct rsnd_dai { | |
246 | char name[RSND_DAI_NAME_SIZE]; | |
247 | struct rsnd_dai_platform_info *info; /* rcar_snd.h */ | |
248 | struct rsnd_dai_stream playback; | |
249 | struct rsnd_dai_stream capture; | |
250 | ||
a3737731 DC |
251 | unsigned int clk_master:1; |
252 | unsigned int bit_clk_inv:1; | |
253 | unsigned int frm_clk_inv:1; | |
254 | unsigned int sys_delay:1; | |
255 | unsigned int data_alignment:1; | |
1536a968 KM |
256 | }; |
257 | ||
ecba9e72 | 258 | #define rsnd_rdai_nr(priv) ((priv)->rdai_nr) |
1536a968 | 259 | #define for_each_rsnd_dai(rdai, priv, i) \ |
00463c11 | 260 | for (i = 0; \ |
ecba9e72 | 261 | (i < rsnd_rdai_nr(priv)) && \ |
00463c11 KM |
262 | ((rdai) = rsnd_dai_get(priv, i)); \ |
263 | i++) | |
1536a968 KM |
264 | |
265 | struct rsnd_dai *rsnd_dai_get(struct rsnd_priv *priv, int id); | |
266 | int rsnd_dai_is_play(struct rsnd_dai *rdai, struct rsnd_dai_stream *io); | |
4b4dab82 | 267 | int rsnd_dai_id(struct rsnd_priv *priv, struct rsnd_dai *rdai); |
1536a968 | 268 | #define rsnd_dai_get_platform_info(rdai) ((rdai)->info) |
ae5c3223 | 269 | #define rsnd_io_to_runtime(io) ((io)->substream->runtime) |
1536a968 KM |
270 | |
271 | void rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int cnt); | |
272 | int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional); | |
e779a20d | 273 | #define rsnd_dai_is_clk_master(rdai) ((rdai)->clk_master) |
1536a968 | 274 | |
3337744a KM |
275 | /* |
276 | * R-Car Gen1/Gen2 | |
277 | */ | |
278 | int rsnd_gen_probe(struct platform_device *pdev, | |
90e8e50f | 279 | const struct rsnd_of_data *of_data, |
3337744a | 280 | struct rsnd_priv *priv); |
3337744a KM |
281 | void __iomem *rsnd_gen_reg_get(struct rsnd_priv *priv, |
282 | struct rsnd_mod *mod, | |
283 | enum rsnd_reg reg); | |
c5d5a58d KM |
284 | #define rsnd_is_gen1(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN1) |
285 | #define rsnd_is_gen2(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN2) | |
3337744a | 286 | |
dfc9403b KM |
287 | /* |
288 | * R-Car ADG | |
289 | */ | |
290 | int rsnd_adg_ssi_clk_stop(struct rsnd_mod *mod); | |
291 | int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *mod, unsigned int rate); | |
292 | int rsnd_adg_probe(struct platform_device *pdev, | |
90e8e50f | 293 | const struct rsnd_of_data *of_data, |
dfc9403b | 294 | struct rsnd_priv *priv); |
28dc4b63 KM |
295 | int rsnd_adg_set_convert_clk_gen1(struct rsnd_priv *priv, |
296 | struct rsnd_mod *mod, | |
297 | unsigned int src_rate, | |
298 | unsigned int dst_rate); | |
629509c5 KM |
299 | int rsnd_adg_set_convert_clk_gen2(struct rsnd_mod *mod, |
300 | struct rsnd_dai *rdai, | |
301 | struct rsnd_dai_stream *io, | |
302 | unsigned int src_rate, | |
303 | unsigned int dst_rate); | |
304 | int rsnd_adg_set_convert_timing_gen2(struct rsnd_mod *mod, | |
305 | struct rsnd_dai *rdai, | |
306 | struct rsnd_dai_stream *io); | |
bff58ea4 KM |
307 | int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_dai *rdai, |
308 | struct rsnd_mod *mod, | |
309 | struct rsnd_dai_stream *io); | |
dfc9403b | 310 | |
1536a968 KM |
311 | /* |
312 | * R-Car sound priv | |
313 | */ | |
90e8e50f KM |
314 | struct rsnd_of_data { |
315 | u32 flags; | |
316 | }; | |
317 | ||
1536a968 KM |
318 | struct rsnd_priv { |
319 | ||
9f464f8e | 320 | struct platform_device *pdev; |
1536a968 KM |
321 | struct rcar_snd_info *info; |
322 | spinlock_t lock; | |
323 | ||
3337744a KM |
324 | /* |
325 | * below value will be filled on rsnd_gen_probe() | |
326 | */ | |
327 | void *gen; | |
328 | ||
07539c1d | 329 | /* |
ba9c949f | 330 | * below value will be filled on rsnd_src_probe() |
07539c1d | 331 | */ |
ba9c949f KM |
332 | void *src; |
333 | int src_nr; | |
07539c1d | 334 | |
dfc9403b KM |
335 | /* |
336 | * below value will be filled on rsnd_adg_probe() | |
337 | */ | |
338 | void *adg; | |
339 | ||
ae5c3223 KM |
340 | /* |
341 | * below value will be filled on rsnd_ssi_probe() | |
342 | */ | |
dd27d808 KM |
343 | void *ssi; |
344 | int ssi_nr; | |
ae5c3223 | 345 | |
bff58ea4 KM |
346 | /* |
347 | * below value will be filled on rsnd_dvc_probe() | |
348 | */ | |
349 | void *dvc; | |
350 | int dvc_nr; | |
351 | ||
1536a968 KM |
352 | /* |
353 | * below value will be filled on rsnd_dai_probe() | |
354 | */ | |
355 | struct snd_soc_dai_driver *daidrv; | |
356 | struct rsnd_dai *rdai; | |
ecba9e72 | 357 | int rdai_nr; |
1536a968 KM |
358 | }; |
359 | ||
9f464f8e KM |
360 | #define rsnd_priv_to_pdev(priv) ((priv)->pdev) |
361 | #define rsnd_priv_to_dev(priv) (&(rsnd_priv_to_pdev(priv)->dev)) | |
5da39cf3 | 362 | #define rsnd_priv_to_info(priv) ((priv)->info) |
1536a968 KM |
363 | #define rsnd_lock(priv, flags) spin_lock_irqsave(&priv->lock, flags) |
364 | #define rsnd_unlock(priv, flags) spin_unlock_irqrestore(&priv->lock, flags) | |
365 | ||
389933d9 KM |
366 | #define rsnd_info_is_playback(priv, type) \ |
367 | ({ \ | |
368 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); \ | |
369 | int i, is_play = 0; \ | |
370 | for (i = 0; i < info->dai_info_nr; i++) { \ | |
371 | if (info->dai_info[i].playback.type == (type)->info) { \ | |
372 | is_play = 1; \ | |
373 | break; \ | |
374 | } \ | |
375 | } \ | |
376 | is_play; \ | |
377 | }) | |
378 | ||
07539c1d | 379 | /* |
ba9c949f | 380 | * R-Car SRC |
07539c1d | 381 | */ |
ba9c949f | 382 | int rsnd_src_probe(struct platform_device *pdev, |
90e8e50f | 383 | const struct rsnd_of_data *of_data, |
07539c1d | 384 | struct rsnd_priv *priv); |
ba9c949f KM |
385 | struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id); |
386 | unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv, | |
374e5426 | 387 | struct rsnd_dai_stream *io, |
ef749400 | 388 | struct snd_pcm_runtime *runtime); |
ba9c949f | 389 | int rsnd_src_ssi_mode_init(struct rsnd_mod *ssi_mod, |
b42fccf6 | 390 | struct rsnd_dai *rdai); |
ba9c949f | 391 | int rsnd_src_enable_ssi_irq(struct rsnd_mod *ssi_mod, |
b42fccf6 | 392 | struct rsnd_dai *rdai); |
ef749400 | 393 | |
ba9c949f | 394 | #define rsnd_src_nr(priv) ((priv)->src_nr) |
07539c1d | 395 | |
ae5c3223 KM |
396 | /* |
397 | * R-Car SSI | |
398 | */ | |
399 | int rsnd_ssi_probe(struct platform_device *pdev, | |
90e8e50f | 400 | const struct rsnd_of_data *of_data, |
ae5c3223 | 401 | struct rsnd_priv *priv); |
ae5c3223 | 402 | struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id); |
7b5ce975 | 403 | int rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod); |
ae5c3223 | 404 | |
bff58ea4 KM |
405 | /* |
406 | * R-Car DVC | |
407 | */ | |
408 | int rsnd_dvc_probe(struct platform_device *pdev, | |
409 | const struct rsnd_of_data *of_data, | |
410 | struct rsnd_priv *priv); | |
411 | void rsnd_dvc_remove(struct platform_device *pdev, | |
412 | struct rsnd_priv *priv); | |
413 | struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id); | |
414 | ||
415 | #define rsnd_dvc_nr(priv) ((priv)->dvc_nr) | |
416 | ||
417 | ||
1536a968 | 418 | #endif |