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 rsnd_dma_ops {
175 void (*start)(struct rsnd_dma *dma);
176 void (*stop)(struct rsnd_dma *dma);
177 int (*init)(struct rsnd_priv *priv, struct rsnd_dma *dma, int id,
178 struct rsnd_mod *mod_from, struct rsnd_mod *mod_to);
179 void (*quit)(struct rsnd_dma *dma);
183 struct dma_chan *chan;
192 struct rsnd_dma_ops *ops;
196 struct rsnd_dmaen en;
197 struct rsnd_dmapp pp;
200 #define rsnd_dma_to_dmaen(dma) (&(dma)->dma.en)
201 #define rsnd_dma_to_dmapp(dma) (&(dma)->dma.pp)
203 void rsnd_dma_start(struct rsnd_dma *dma);
204 void rsnd_dma_stop(struct rsnd_dma *dma);
205 int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma, int id);
206 void rsnd_dma_quit(struct rsnd_dma *dma);
207 int rsnd_dma_probe(struct platform_device *pdev,
208 const struct rsnd_of_data *of_data,
209 struct rsnd_priv *priv);
210 struct dma_chan *rsnd_dma_request_channel(struct device_node *of_node,
211 struct rsnd_mod *mod, char *name);
213 #define rsnd_dma_to_mod(_dma) container_of((_dma), struct rsnd_mod, dma)
225 struct rsnd_mod_ops {
227 struct dma_chan* (*dma_req)(struct rsnd_mod *mod);
228 int (*probe)(struct rsnd_mod *mod,
229 struct rsnd_priv *priv);
230 int (*remove)(struct rsnd_mod *mod,
231 struct rsnd_priv *priv);
232 int (*init)(struct rsnd_mod *mod,
233 struct rsnd_priv *priv);
234 int (*quit)(struct rsnd_mod *mod,
235 struct rsnd_priv *priv);
236 int (*start)(struct rsnd_mod *mod,
237 struct rsnd_priv *priv);
238 int (*stop)(struct rsnd_mod *mod,
239 struct rsnd_priv *priv);
240 int (*pcm_new)(struct rsnd_mod *mod,
241 struct snd_soc_pcm_runtime *rtd);
242 int (*hw_params)(struct rsnd_mod *mod,
243 struct snd_pcm_substream *substream,
244 struct snd_pcm_hw_params *hw_params);
245 int (*fallback)(struct rsnd_mod *mod,
246 struct rsnd_priv *priv);
249 struct rsnd_dai_stream;
252 enum rsnd_mod_type type;
253 struct rsnd_mod_ops *ops;
255 struct rsnd_dai_stream *io;
263 * 0 0: probe 1: remove
269 * 31 bit is always called (see __rsnd_mod_call)
272 #define __rsnd_mod_shift_probe 0
273 #define __rsnd_mod_shift_remove 0
274 #define __rsnd_mod_shift_init 1
275 #define __rsnd_mod_shift_quit 1
276 #define __rsnd_mod_shift_start 2
277 #define __rsnd_mod_shift_stop 2
278 #define __rsnd_mod_shift_pcm_new 3
279 #define __rsnd_mod_shift_fallback 4
280 #define __rsnd_mod_shift_hw_params 31 /* always called */
282 #define __rsnd_mod_call_probe 0
283 #define __rsnd_mod_call_remove 1
284 #define __rsnd_mod_call_init 0
285 #define __rsnd_mod_call_quit 1
286 #define __rsnd_mod_call_start 0
287 #define __rsnd_mod_call_stop 1
288 #define __rsnd_mod_call_pcm_new 0
289 #define __rsnd_mod_call_fallback 0
290 #define __rsnd_mod_call_hw_params 0
292 #define rsnd_mod_to_priv(mod) (rsnd_io_to_priv(rsnd_mod_to_io(mod)))
293 #define rsnd_mod_to_dma(mod) (&(mod)->dma)
294 #define rsnd_mod_to_io(mod) ((mod)->io)
295 #define rsnd_mod_id(mod) ((mod)->id)
296 #define rsnd_mod_hw_start(mod) clk_enable((mod)->clk)
297 #define rsnd_mod_hw_stop(mod) clk_disable((mod)->clk)
299 int rsnd_mod_init(struct rsnd_mod *mod,
300 struct rsnd_mod_ops *ops,
302 enum rsnd_mod_type type,
304 void rsnd_mod_quit(struct rsnd_mod *mod);
305 char *rsnd_mod_name(struct rsnd_mod *mod);
306 struct dma_chan *rsnd_mod_dma_req(struct rsnd_mod *mod);
311 #define RSND_DAI_NAME_SIZE 16
312 struct rsnd_dai_stream {
313 char name[RSND_DAI_NAME_SIZE];
314 struct snd_pcm_substream *substream;
315 struct rsnd_mod *mod[RSND_MOD_MAX];
316 struct rsnd_dai_path_info *info; /* rcar_snd.h */
317 struct rsnd_dai *rdai;
321 int next_period_byte;
323 #define rsnd_io_to_mod_ssi(io) ((io)->mod[RSND_MOD_SSI])
324 #define rsnd_io_to_mod_src(io) ((io)->mod[RSND_MOD_SRC])
325 #define rsnd_io_to_mod_dvc(io) ((io)->mod[RSND_MOD_DVC])
326 #define rsnd_io_to_rdai(io) ((io)->rdai)
327 #define rsnd_io_to_priv(io) (rsnd_rdai_to_priv(rsnd_io_to_rdai(io)))
328 #define rsnd_io_is_play(io) (&rsnd_io_to_rdai(io)->playback == io)
329 #define rsnd_io_to_runtime(io) ((io)->substream ? \
330 (io)->substream->runtime : NULL)
334 char name[RSND_DAI_NAME_SIZE];
335 struct rsnd_dai_stream playback;
336 struct rsnd_dai_stream capture;
337 struct rsnd_priv *priv;
339 unsigned int clk_master:1;
340 unsigned int bit_clk_inv:1;
341 unsigned int frm_clk_inv:1;
342 unsigned int sys_delay:1;
343 unsigned int data_alignment:1;
346 #define rsnd_rdai_nr(priv) ((priv)->rdai_nr)
347 #define rsnd_rdai_is_clk_master(rdai) ((rdai)->clk_master)
348 #define rsnd_rdai_to_priv(rdai) ((rdai)->priv)
349 #define for_each_rsnd_dai(rdai, priv, i) \
351 (i < rsnd_rdai_nr(priv)) && \
352 ((rdai) = rsnd_rdai_get(priv, i)); \
355 struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id);
357 void rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int cnt);
358 int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional);
363 int rsnd_gen_probe(struct platform_device *pdev,
364 const struct rsnd_of_data *of_data,
365 struct rsnd_priv *priv);
366 void __iomem *rsnd_gen_reg_get(struct rsnd_priv *priv,
367 struct rsnd_mod *mod,
369 phys_addr_t rsnd_gen_get_phy_addr(struct rsnd_priv *priv, int reg_id);
371 #define rsnd_is_gen1(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN1)
372 #define rsnd_is_gen2(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN2)
377 int rsnd_adg_ssi_clk_stop(struct rsnd_mod *mod);
378 int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *mod, unsigned int rate);
379 int rsnd_adg_probe(struct platform_device *pdev,
380 const struct rsnd_of_data *of_data,
381 struct rsnd_priv *priv);
382 int rsnd_adg_set_convert_clk_gen1(struct rsnd_priv *priv,
383 struct rsnd_mod *mod,
384 unsigned int src_rate,
385 unsigned int dst_rate);
386 int rsnd_adg_set_convert_clk_gen2(struct rsnd_mod *mod,
387 struct rsnd_dai_stream *io,
388 unsigned int src_rate,
389 unsigned int dst_rate);
390 int rsnd_adg_set_convert_timing_gen2(struct rsnd_mod *mod,
391 struct rsnd_dai_stream *io);
392 int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_mod *mod,
393 struct rsnd_dai_stream *io);
398 struct rsnd_of_data {
404 struct platform_device *pdev;
405 struct rcar_snd_info *info;
409 * below value will be filled on rsnd_gen_probe()
414 * below value will be filled on rsnd_src_probe()
420 * below value will be filled on rsnd_adg_probe()
425 * below value will be filled on rsnd_dma_probe()
430 * below value will be filled on rsnd_ssi_probe()
436 * below value will be filled on rsnd_dvc_probe()
442 * below value will be filled on rsnd_dai_probe()
444 struct snd_soc_dai_driver *daidrv;
445 struct rsnd_dai *rdai;
449 #define rsnd_priv_to_pdev(priv) ((priv)->pdev)
450 #define rsnd_priv_to_dev(priv) (&(rsnd_priv_to_pdev(priv)->dev))
451 #define rsnd_priv_to_info(priv) ((priv)->info)
452 #define rsnd_lock(priv, flags) spin_lock_irqsave(&priv->lock, flags)
453 #define rsnd_unlock(priv, flags) spin_unlock_irqrestore(&priv->lock, flags)
458 struct rsnd_kctrl_cfg {
462 const char * const *texts;
463 void (*update)(struct rsnd_mod *mod);
464 struct snd_card *card;
465 struct snd_kcontrol *kctrl;
468 #define RSND_DVC_CHANNELS 2
469 struct rsnd_kctrl_cfg_m {
470 struct rsnd_kctrl_cfg cfg;
471 u32 val[RSND_DVC_CHANNELS];
474 struct rsnd_kctrl_cfg_s {
475 struct rsnd_kctrl_cfg cfg;
479 void _rsnd_kctrl_remove(struct rsnd_kctrl_cfg *cfg);
480 #define rsnd_kctrl_remove(_cfg) _rsnd_kctrl_remove(&((_cfg).cfg))
482 int rsnd_kctrl_new_m(struct rsnd_mod *mod,
483 struct snd_soc_pcm_runtime *rtd,
484 const unsigned char *name,
485 void (*update)(struct rsnd_mod *mod),
486 struct rsnd_kctrl_cfg_m *_cfg,
488 int rsnd_kctrl_new_s(struct rsnd_mod *mod,
489 struct snd_soc_pcm_runtime *rtd,
490 const unsigned char *name,
491 void (*update)(struct rsnd_mod *mod),
492 struct rsnd_kctrl_cfg_s *_cfg,
494 int rsnd_kctrl_new_e(struct rsnd_mod *mod,
495 struct snd_soc_pcm_runtime *rtd,
496 const unsigned char *name,
497 struct rsnd_kctrl_cfg_s *_cfg,
498 void (*update)(struct rsnd_mod *mod),
499 const char * const *texts,
505 int rsnd_src_probe(struct platform_device *pdev,
506 const struct rsnd_of_data *of_data,
507 struct rsnd_priv *priv);
508 void rsnd_src_remove(struct platform_device *pdev,
509 struct rsnd_priv *priv);
510 struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id);
511 unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv,
512 struct rsnd_dai_stream *io,
513 struct snd_pcm_runtime *runtime);
514 int rsnd_src_ssiu_start(struct rsnd_mod *ssi_mod,
516 int rsnd_src_ssiu_stop(struct rsnd_mod *ssi_mod);
517 int rsnd_src_ssi_irq_enable(struct rsnd_mod *ssi_mod);
518 int rsnd_src_ssi_irq_disable(struct rsnd_mod *ssi_mod);
520 #define rsnd_src_nr(priv) ((priv)->src_nr)
525 int rsnd_ssi_probe(struct platform_device *pdev,
526 const struct rsnd_of_data *of_data,
527 struct rsnd_priv *priv);
528 void rsnd_ssi_remove(struct platform_device *pdev,
529 struct rsnd_priv *priv);
530 struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id);
531 int rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod);
532 int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod);
533 int rsnd_ssi_use_busif(struct rsnd_mod *mod);
538 int rsnd_dvc_probe(struct platform_device *pdev,
539 const struct rsnd_of_data *of_data,
540 struct rsnd_priv *priv);
541 void rsnd_dvc_remove(struct platform_device *pdev,
542 struct rsnd_priv *priv);
543 struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id);
545 #define rsnd_dvc_nr(priv) ((priv)->dvc_nr)