4 * Copyright (C) 2013 Renesas Solutions Corp.
5 * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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.
14 #include <linux/clk.h>
15 #include <linux/device.h>
16 #include <linux/dma-mapping.h>
18 #include <linux/list.h>
19 #include <linux/module.h>
20 #include <linux/of_device.h>
21 #include <linux/of_irq.h>
22 #include <linux/sh_dma.h>
23 #include <linux/workqueue.h>
24 #include <sound/rcar_snd.h>
25 #include <sound/soc.h>
26 #include <sound/pcm_params.h>
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
39 RSND_REG_SRC_BUSIF_MODE,
40 RSND_REG_SRC_ROUTE_MODE0,
47 RSND_REG_SCU_SYS_STATUS0,
48 RSND_REG_SCU_SYS_INT_EN0,
49 RSND_REG_CMD_ROUTE_SLCT,
63 RSND_REG_AUDIO_CLK_SEL0,
64 RSND_REG_AUDIO_CLK_SEL1,
107 #define RSND_REG_SRC_ROUTE_SEL RSND_REG_SHARE01
108 #define RSND_REG_SRC_TMG_SEL0 RSND_REG_SHARE02
109 #define RSND_REG_SRC_TMG_SEL1 RSND_REG_SHARE03
110 #define RSND_REG_SRC_TMG_SEL2 RSND_REG_SHARE04
111 #define RSND_REG_SRC_ROUTE_CTRL RSND_REG_SHARE05
112 #define RSND_REG_SRC_MNFSR RSND_REG_SHARE06
113 #define RSND_REG_AUDIO_CLK_SEL3 RSND_REG_SHARE07
114 #define RSND_REG_AUDIO_CLK_SEL4 RSND_REG_SHARE08
115 #define RSND_REG_AUDIO_CLK_SEL5 RSND_REG_SHARE09
118 #define RSND_REG_SRC_CTRL RSND_REG_SHARE01
119 #define RSND_REG_SSI_CTRL RSND_REG_SHARE02
120 #define RSND_REG_SSI_BUSIF_MODE RSND_REG_SHARE03
121 #define RSND_REG_SSI_BUSIF_ADINR RSND_REG_SHARE04
122 #define RSND_REG_INT_ENABLE RSND_REG_SHARE05
123 #define RSND_REG_SRC_BSDSR RSND_REG_SHARE06
124 #define RSND_REG_SRC_BSISR RSND_REG_SHARE07
125 #define RSND_REG_DIV_EN RSND_REG_SHARE08
126 #define RSND_REG_SRCIN_TIMSEL0 RSND_REG_SHARE09
127 #define RSND_REG_SRCIN_TIMSEL1 RSND_REG_SHARE10
128 #define RSND_REG_SRCIN_TIMSEL2 RSND_REG_SHARE11
129 #define RSND_REG_SRCIN_TIMSEL3 RSND_REG_SHARE12
130 #define RSND_REG_SRCIN_TIMSEL4 RSND_REG_SHARE13
131 #define RSND_REG_SRCOUT_TIMSEL0 RSND_REG_SHARE14
132 #define RSND_REG_SRCOUT_TIMSEL1 RSND_REG_SHARE15
133 #define RSND_REG_SRCOUT_TIMSEL2 RSND_REG_SHARE16
134 #define RSND_REG_SRCOUT_TIMSEL3 RSND_REG_SHARE17
135 #define RSND_REG_SRCOUT_TIMSEL4 RSND_REG_SHARE18
136 #define RSND_REG_AUDIO_CLK_SEL2 RSND_REG_SHARE19
137 #define RSND_REG_CMD_CTRL RSND_REG_SHARE20
138 #define RSND_REG_CMDOUT_TIMSEL RSND_REG_SHARE21
139 #define RSND_REG_BUSIF_DALIGN RSND_REG_SHARE22
140 #define RSND_REG_DVC_VRCTR RSND_REG_SHARE23
141 #define RSND_REG_DVC_VRPDR RSND_REG_SHARE24
142 #define RSND_REG_DVC_VRDBR RSND_REG_SHARE25
143 #define RSND_REG_SCU_SYS_STATUS1 RSND_REG_SHARE26
144 #define RSND_REG_SCU_SYS_INT_EN1 RSND_REG_SHARE27
145 #define RSND_REG_SRC_INT_ENABLE0 RSND_REG_SHARE28
151 struct rsnd_dai_stream;
154 * R-Car basic functions
156 #define rsnd_mod_read(m, r) \
157 rsnd_read(rsnd_mod_to_priv(m), m, RSND_REG_##r)
158 #define rsnd_mod_write(m, r, d) \
159 rsnd_write(rsnd_mod_to_priv(m), m, RSND_REG_##r, d)
160 #define rsnd_mod_bset(m, r, s, d) \
161 rsnd_bset(rsnd_mod_to_priv(m), m, RSND_REG_##r, s, d)
163 u32 rsnd_read(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg);
164 void rsnd_write(struct rsnd_priv *priv, struct rsnd_mod *mod,
165 enum rsnd_reg reg, u32 data);
166 void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg,
168 u32 rsnd_get_adinr(struct rsnd_mod *mod);
174 struct sh_dmae_slave slave;
175 struct dma_chan *chan;
176 enum dma_transfer_direction dir;
180 void rsnd_dma_start(struct rsnd_dma *dma);
181 void rsnd_dma_stop(struct rsnd_dma *dma);
182 int rsnd_dma_available(struct rsnd_dma *dma);
183 int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma,
184 int is_play, int id);
185 void rsnd_dma_quit(struct rsnd_priv *priv,
186 struct rsnd_dma *dma);
199 struct rsnd_mod_ops {
201 char* (*dma_name)(struct rsnd_mod *mod);
202 int (*probe)(struct rsnd_mod *mod,
203 struct rsnd_priv *priv);
204 int (*remove)(struct rsnd_mod *mod,
205 struct rsnd_priv *priv);
206 int (*init)(struct rsnd_mod *mod,
207 struct rsnd_priv *priv);
208 int (*quit)(struct rsnd_mod *mod,
209 struct rsnd_priv *priv);
210 int (*start)(struct rsnd_mod *mod,
211 struct rsnd_priv *priv);
212 int (*stop)(struct rsnd_mod *mod,
213 struct rsnd_priv *priv);
214 int (*pcm_new)(struct rsnd_mod *mod,
215 struct snd_soc_pcm_runtime *rtd);
216 int (*fallback)(struct rsnd_mod *mod,
217 struct rsnd_priv *priv);
220 struct rsnd_dai_stream;
223 enum rsnd_mod_type type;
224 struct rsnd_mod_ops *ops;
226 struct rsnd_dai_stream *io;
234 * 0 0: probe 1: remove
240 #define __rsnd_mod_shift_probe 0
241 #define __rsnd_mod_shift_remove 0
242 #define __rsnd_mod_shift_init 1
243 #define __rsnd_mod_shift_quit 1
244 #define __rsnd_mod_shift_start 2
245 #define __rsnd_mod_shift_stop 2
246 #define __rsnd_mod_shift_pcm_new 3
247 #define __rsnd_mod_shift_fallback 4
249 #define __rsnd_mod_call_probe 0
250 #define __rsnd_mod_call_remove 1
251 #define __rsnd_mod_call_init 0
252 #define __rsnd_mod_call_quit 1
253 #define __rsnd_mod_call_start 0
254 #define __rsnd_mod_call_stop 1
255 #define __rsnd_mod_call_pcm_new 0
256 #define __rsnd_mod_call_fallback 0
258 #define rsnd_mod_to_priv(mod) (rsnd_io_to_priv(rsnd_mod_to_io(mod)))
259 #define rsnd_mod_to_dma(mod) (&(mod)->dma)
260 #define rsnd_dma_to_mod(_dma) container_of((_dma), struct rsnd_mod, dma)
261 #define rsnd_mod_to_io(mod) ((mod)->io)
262 #define rsnd_mod_id(mod) ((mod)->id)
263 #define rsnd_mod_hw_start(mod) clk_enable((mod)->clk)
264 #define rsnd_mod_hw_stop(mod) clk_disable((mod)->clk)
266 int rsnd_mod_init(struct rsnd_mod *mod,
267 struct rsnd_mod_ops *ops,
269 enum rsnd_mod_type type,
271 void rsnd_mod_quit(struct rsnd_mod *mod);
272 char *rsnd_mod_name(struct rsnd_mod *mod);
273 char *rsnd_mod_dma_name(struct rsnd_mod *mod);
278 #define RSND_DAI_NAME_SIZE 16
279 struct rsnd_dai_stream {
280 struct snd_pcm_substream *substream;
281 struct rsnd_mod *mod[RSND_MOD_MAX];
282 struct rsnd_dai_path_info *info; /* rcar_snd.h */
283 struct rsnd_dai *rdai;
287 int next_period_byte;
289 #define rsnd_io_to_mod_ssi(io) ((io)->mod[RSND_MOD_SSI])
290 #define rsnd_io_to_mod_src(io) ((io)->mod[RSND_MOD_SRC])
291 #define rsnd_io_to_mod_dvc(io) ((io)->mod[RSND_MOD_DVC])
292 #define rsnd_io_to_rdai(io) ((io)->rdai)
293 #define rsnd_io_to_priv(io) (rsnd_rdai_to_priv(rsnd_io_to_rdai(io)))
294 #define rsnd_io_is_play(io) (&rsnd_io_to_rdai(io)->playback == io)
295 #define rsnd_io_to_runtime(io) ((io)->substream ? \
296 (io)->substream->runtime : NULL)
300 char name[RSND_DAI_NAME_SIZE];
301 struct rsnd_dai_stream playback;
302 struct rsnd_dai_stream capture;
303 struct rsnd_priv *priv;
305 unsigned int clk_master:1;
306 unsigned int bit_clk_inv:1;
307 unsigned int frm_clk_inv:1;
308 unsigned int sys_delay:1;
309 unsigned int data_alignment:1;
312 #define rsnd_rdai_nr(priv) ((priv)->rdai_nr)
313 #define rsnd_rdai_is_clk_master(rdai) ((rdai)->clk_master)
314 #define rsnd_rdai_to_priv(rdai) ((rdai)->priv)
315 #define for_each_rsnd_dai(rdai, priv, i) \
317 (i < rsnd_rdai_nr(priv)) && \
318 ((rdai) = rsnd_rdai_get(priv, i)); \
321 struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id);
323 void rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int cnt);
324 int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional);
329 int rsnd_gen_probe(struct platform_device *pdev,
330 const struct rsnd_of_data *of_data,
331 struct rsnd_priv *priv);
332 void __iomem *rsnd_gen_reg_get(struct rsnd_priv *priv,
333 struct rsnd_mod *mod,
335 dma_addr_t rsnd_gen_dma_addr(struct rsnd_priv *priv,
336 struct rsnd_mod *mod,
337 int is_play, int is_from);
339 #define rsnd_is_gen1(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN1)
340 #define rsnd_is_gen2(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN2)
345 int rsnd_adg_ssi_clk_stop(struct rsnd_mod *mod);
346 int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *mod, unsigned int rate);
347 int rsnd_adg_probe(struct platform_device *pdev,
348 const struct rsnd_of_data *of_data,
349 struct rsnd_priv *priv);
350 int rsnd_adg_set_convert_clk_gen1(struct rsnd_priv *priv,
351 struct rsnd_mod *mod,
352 unsigned int src_rate,
353 unsigned int dst_rate);
354 int rsnd_adg_set_convert_clk_gen2(struct rsnd_mod *mod,
355 struct rsnd_dai_stream *io,
356 unsigned int src_rate,
357 unsigned int dst_rate);
358 int rsnd_adg_set_convert_timing_gen2(struct rsnd_mod *mod,
359 struct rsnd_dai_stream *io);
360 int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_mod *mod,
361 struct rsnd_dai_stream *io);
366 struct rsnd_of_data {
372 struct platform_device *pdev;
373 struct rcar_snd_info *info;
377 * below value will be filled on rsnd_gen_probe()
382 * below value will be filled on rsnd_src_probe()
388 * below value will be filled on rsnd_adg_probe()
393 * below value will be filled on rsnd_ssi_probe()
399 * below value will be filled on rsnd_dvc_probe()
405 * below value will be filled on rsnd_dai_probe()
407 struct snd_soc_dai_driver *daidrv;
408 struct rsnd_dai *rdai;
412 #define rsnd_priv_to_pdev(priv) ((priv)->pdev)
413 #define rsnd_priv_to_dev(priv) (&(rsnd_priv_to_pdev(priv)->dev))
414 #define rsnd_priv_to_info(priv) ((priv)->info)
415 #define rsnd_lock(priv, flags) spin_lock_irqsave(&priv->lock, flags)
416 #define rsnd_unlock(priv, flags) spin_unlock_irqrestore(&priv->lock, flags)
418 #define rsnd_info_is_playback(priv, type) \
420 struct rcar_snd_info *info = rsnd_priv_to_info(priv); \
421 int i, is_play = 0; \
422 for (i = 0; i < info->dai_info_nr; i++) { \
423 if (info->dai_info[i].playback.type == (type)->info) { \
434 struct rsnd_kctrl_cfg {
438 const char * const *texts;
439 void (*update)(struct rsnd_mod *mod);
440 struct snd_card *card;
441 struct snd_kcontrol *kctrl;
444 #define RSND_DVC_CHANNELS 2
445 struct rsnd_kctrl_cfg_m {
446 struct rsnd_kctrl_cfg cfg;
447 u32 val[RSND_DVC_CHANNELS];
450 struct rsnd_kctrl_cfg_s {
451 struct rsnd_kctrl_cfg cfg;
455 void _rsnd_kctrl_remove(struct rsnd_kctrl_cfg *cfg);
456 #define rsnd_kctrl_remove(_cfg) _rsnd_kctrl_remove(&((_cfg).cfg))
458 int rsnd_kctrl_new_m(struct rsnd_mod *mod,
459 struct snd_soc_pcm_runtime *rtd,
460 const unsigned char *name,
461 void (*update)(struct rsnd_mod *mod),
462 struct rsnd_kctrl_cfg_m *_cfg,
464 int rsnd_kctrl_new_s(struct rsnd_mod *mod,
465 struct snd_soc_pcm_runtime *rtd,
466 const unsigned char *name,
467 void (*update)(struct rsnd_mod *mod),
468 struct rsnd_kctrl_cfg_s *_cfg,
470 int rsnd_kctrl_new_e(struct rsnd_mod *mod,
471 struct snd_soc_pcm_runtime *rtd,
472 const unsigned char *name,
473 struct rsnd_kctrl_cfg_s *_cfg,
474 void (*update)(struct rsnd_mod *mod),
475 const char * const *texts,
481 int rsnd_src_probe(struct platform_device *pdev,
482 const struct rsnd_of_data *of_data,
483 struct rsnd_priv *priv);
484 void rsnd_src_remove(struct platform_device *pdev,
485 struct rsnd_priv *priv);
486 struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id);
487 unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv,
488 struct rsnd_dai_stream *io,
489 struct snd_pcm_runtime *runtime);
490 int rsnd_src_ssiu_start(struct rsnd_mod *ssi_mod,
492 int rsnd_src_ssiu_stop(struct rsnd_mod *ssi_mod);
493 int rsnd_src_ssi_irq_enable(struct rsnd_mod *ssi_mod);
494 int rsnd_src_ssi_irq_disable(struct rsnd_mod *ssi_mod);
496 #define rsnd_src_nr(priv) ((priv)->src_nr)
501 int rsnd_ssi_probe(struct platform_device *pdev,
502 const struct rsnd_of_data *of_data,
503 struct rsnd_priv *priv);
504 void rsnd_ssi_remove(struct platform_device *pdev,
505 struct rsnd_priv *priv);
506 struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id);
507 int rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod);
508 int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod);
513 int rsnd_dvc_probe(struct platform_device *pdev,
514 const struct rsnd_of_data *of_data,
515 struct rsnd_priv *priv);
516 void rsnd_dvc_remove(struct platform_device *pdev,
517 struct rsnd_priv *priv);
518 struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id);
520 #define rsnd_dvc_nr(priv) ((priv)->dvc_nr)