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_CMD_ROUTE_SLCT,
61 RSND_REG_AUDIO_CLK_SEL0,
62 RSND_REG_AUDIO_CLK_SEL1,
102 #define RSND_REG_SRC_ROUTE_SEL RSND_REG_SHARE01
103 #define RSND_REG_SRC_TMG_SEL0 RSND_REG_SHARE02
104 #define RSND_REG_SRC_TMG_SEL1 RSND_REG_SHARE03
105 #define RSND_REG_SRC_TMG_SEL2 RSND_REG_SHARE04
106 #define RSND_REG_SRC_ROUTE_CTRL RSND_REG_SHARE05
107 #define RSND_REG_SRC_MNFSR RSND_REG_SHARE06
108 #define RSND_REG_AUDIO_CLK_SEL3 RSND_REG_SHARE07
109 #define RSND_REG_AUDIO_CLK_SEL4 RSND_REG_SHARE08
110 #define RSND_REG_AUDIO_CLK_SEL5 RSND_REG_SHARE09
113 #define RSND_REG_SRC_CTRL RSND_REG_SHARE01
114 #define RSND_REG_SSI_CTRL RSND_REG_SHARE02
115 #define RSND_REG_SSI_BUSIF_MODE RSND_REG_SHARE03
116 #define RSND_REG_SSI_BUSIF_ADINR RSND_REG_SHARE04
117 #define RSND_REG_INT_ENABLE RSND_REG_SHARE05
118 #define RSND_REG_SRC_BSDSR RSND_REG_SHARE06
119 #define RSND_REG_SRC_BSISR RSND_REG_SHARE07
120 #define RSND_REG_DIV_EN RSND_REG_SHARE08
121 #define RSND_REG_SRCIN_TIMSEL0 RSND_REG_SHARE09
122 #define RSND_REG_SRCIN_TIMSEL1 RSND_REG_SHARE10
123 #define RSND_REG_SRCIN_TIMSEL2 RSND_REG_SHARE11
124 #define RSND_REG_SRCIN_TIMSEL3 RSND_REG_SHARE12
125 #define RSND_REG_SRCIN_TIMSEL4 RSND_REG_SHARE13
126 #define RSND_REG_SRCOUT_TIMSEL0 RSND_REG_SHARE14
127 #define RSND_REG_SRCOUT_TIMSEL1 RSND_REG_SHARE15
128 #define RSND_REG_SRCOUT_TIMSEL2 RSND_REG_SHARE16
129 #define RSND_REG_SRCOUT_TIMSEL3 RSND_REG_SHARE17
130 #define RSND_REG_SRCOUT_TIMSEL4 RSND_REG_SHARE18
131 #define RSND_REG_AUDIO_CLK_SEL2 RSND_REG_SHARE19
132 #define RSND_REG_CMD_CTRL RSND_REG_SHARE20
133 #define RSND_REG_CMDOUT_TIMSEL RSND_REG_SHARE21
134 #define RSND_REG_BUSIF_DALIGN RSND_REG_SHARE22
135 #define RSND_REG_DVC_VRCTR RSND_REG_SHARE23
136 #define RSND_REG_DVC_VRPDR RSND_REG_SHARE24
137 #define RSND_REG_DVC_VRDBR RSND_REG_SHARE25
143 struct rsnd_dai_stream;
146 * R-Car basic functions
148 #define rsnd_mod_read(m, r) \
149 rsnd_read(rsnd_mod_to_priv(m), m, RSND_REG_##r)
150 #define rsnd_mod_write(m, r, d) \
151 rsnd_write(rsnd_mod_to_priv(m), m, RSND_REG_##r, d)
152 #define rsnd_mod_bset(m, r, s, d) \
153 rsnd_bset(rsnd_mod_to_priv(m), m, RSND_REG_##r, s, d)
155 u32 rsnd_read(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg);
156 void rsnd_write(struct rsnd_priv *priv, struct rsnd_mod *mod,
157 enum rsnd_reg reg, u32 data);
158 void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg,
160 u32 rsnd_get_adinr(struct rsnd_mod *mod);
166 struct sh_dmae_slave slave;
167 struct dma_chan *chan;
168 enum dma_transfer_direction dir;
172 void rsnd_dma_start(struct rsnd_dma *dma);
173 void rsnd_dma_stop(struct rsnd_dma *dma);
174 int rsnd_dma_available(struct rsnd_dma *dma);
175 int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma,
176 int is_play, int id);
177 void rsnd_dma_quit(struct rsnd_priv *priv,
178 struct rsnd_dma *dma);
191 struct rsnd_mod_ops {
193 char* (*dma_name)(struct rsnd_mod *mod);
194 int (*probe)(struct rsnd_mod *mod,
195 struct rsnd_dai *rdai);
196 int (*remove)(struct rsnd_mod *mod,
197 struct rsnd_dai *rdai);
198 int (*init)(struct rsnd_mod *mod,
199 struct rsnd_dai *rdai);
200 int (*quit)(struct rsnd_mod *mod,
201 struct rsnd_dai *rdai);
202 int (*start)(struct rsnd_mod *mod,
203 struct rsnd_dai *rdai);
204 int (*stop)(struct rsnd_mod *mod,
205 struct rsnd_dai *rdai);
206 int (*pcm_new)(struct rsnd_mod *mod,
207 struct rsnd_dai *rdai,
208 struct snd_soc_pcm_runtime *rtd);
209 int (*fallback)(struct rsnd_mod *mod,
210 struct rsnd_dai *rdai);
213 struct rsnd_dai_stream;
216 enum rsnd_mod_type type;
217 struct rsnd_priv *priv;
218 struct rsnd_mod_ops *ops;
220 struct rsnd_dai_stream *io;
227 * 0 0: probe 1: remove
233 #define __rsnd_mod_shift_probe 0
234 #define __rsnd_mod_shift_remove 0
235 #define __rsnd_mod_shift_init 1
236 #define __rsnd_mod_shift_quit 1
237 #define __rsnd_mod_shift_start 2
238 #define __rsnd_mod_shift_stop 2
239 #define __rsnd_mod_shift_pcm_new 3
240 #define __rsnd_mod_shift_fallback 4
242 #define __rsnd_mod_call_probe 0
243 #define __rsnd_mod_call_remove 1
244 #define __rsnd_mod_call_init 0
245 #define __rsnd_mod_call_quit 1
246 #define __rsnd_mod_call_start 0
247 #define __rsnd_mod_call_stop 1
248 #define __rsnd_mod_call_pcm_new 0
249 #define __rsnd_mod_call_fallback 0
251 #define rsnd_mod_to_priv(mod) ((mod)->priv)
252 #define rsnd_mod_to_dma(mod) (&(mod)->dma)
253 #define rsnd_dma_to_mod(_dma) container_of((_dma), struct rsnd_mod, dma)
254 #define rsnd_mod_to_io(mod) ((mod)->io)
255 #define rsnd_mod_id(mod) ((mod)->id)
257 void rsnd_mod_init(struct rsnd_priv *priv,
258 struct rsnd_mod *mod,
259 struct rsnd_mod_ops *ops,
260 enum rsnd_mod_type type,
262 char *rsnd_mod_name(struct rsnd_mod *mod);
263 char *rsnd_mod_dma_name(struct rsnd_mod *mod);
268 #define RSND_DAI_NAME_SIZE 16
269 struct rsnd_dai_stream {
270 struct snd_pcm_substream *substream;
271 struct rsnd_mod *mod[RSND_MOD_MAX];
272 struct rsnd_dai_path_info *info; /* rcar_snd.h */
276 int next_period_byte;
278 #define rsnd_io_to_mod_ssi(io) ((io)->mod[RSND_MOD_SSI])
279 #define rsnd_io_to_mod_src(io) ((io)->mod[RSND_MOD_SRC])
280 #define rsnd_io_to_mod_dvc(io) ((io)->mod[RSND_MOD_DVC])
283 char name[RSND_DAI_NAME_SIZE];
284 struct rsnd_dai_platform_info *info; /* rcar_snd.h */
285 struct rsnd_dai_stream playback;
286 struct rsnd_dai_stream capture;
288 unsigned int clk_master:1;
289 unsigned int bit_clk_inv:1;
290 unsigned int frm_clk_inv:1;
291 unsigned int sys_delay:1;
292 unsigned int data_alignment:1;
295 #define rsnd_rdai_nr(priv) ((priv)->rdai_nr)
296 #define for_each_rsnd_dai(rdai, priv, i) \
298 (i < rsnd_rdai_nr(priv)) && \
299 ((rdai) = rsnd_dai_get(priv, i)); \
302 struct rsnd_dai *rsnd_dai_get(struct rsnd_priv *priv, int id);
303 int rsnd_dai_is_play(struct rsnd_dai *rdai, struct rsnd_dai_stream *io);
304 int rsnd_dai_id(struct rsnd_priv *priv, struct rsnd_dai *rdai);
305 #define rsnd_dai_get_platform_info(rdai) ((rdai)->info)
306 #define rsnd_io_to_runtime(io) ((io)->substream ? \
307 (io)->substream->runtime : NULL)
309 void rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int cnt);
310 int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional);
311 #define rsnd_dai_is_clk_master(rdai) ((rdai)->clk_master)
316 int rsnd_gen_probe(struct platform_device *pdev,
317 const struct rsnd_of_data *of_data,
318 struct rsnd_priv *priv);
319 void __iomem *rsnd_gen_reg_get(struct rsnd_priv *priv,
320 struct rsnd_mod *mod,
322 dma_addr_t rsnd_gen_dma_addr(struct rsnd_priv *priv,
323 struct rsnd_mod *mod,
324 int is_play, int is_from);
326 #define rsnd_is_gen1(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN1)
327 #define rsnd_is_gen2(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN2)
332 int rsnd_adg_ssi_clk_stop(struct rsnd_mod *mod);
333 int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *mod, unsigned int rate);
334 int rsnd_adg_probe(struct platform_device *pdev,
335 const struct rsnd_of_data *of_data,
336 struct rsnd_priv *priv);
337 int rsnd_adg_set_convert_clk_gen1(struct rsnd_priv *priv,
338 struct rsnd_mod *mod,
339 unsigned int src_rate,
340 unsigned int dst_rate);
341 int rsnd_adg_set_convert_clk_gen2(struct rsnd_mod *mod,
342 struct rsnd_dai *rdai,
343 struct rsnd_dai_stream *io,
344 unsigned int src_rate,
345 unsigned int dst_rate);
346 int rsnd_adg_set_convert_timing_gen2(struct rsnd_mod *mod,
347 struct rsnd_dai *rdai,
348 struct rsnd_dai_stream *io);
349 int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_dai *rdai,
350 struct rsnd_mod *mod,
351 struct rsnd_dai_stream *io);
356 struct rsnd_of_data {
362 struct platform_device *pdev;
363 struct rcar_snd_info *info;
367 * below value will be filled on rsnd_gen_probe()
372 * below value will be filled on rsnd_src_probe()
378 * below value will be filled on rsnd_adg_probe()
383 * below value will be filled on rsnd_ssi_probe()
389 * below value will be filled on rsnd_dvc_probe()
395 * below value will be filled on rsnd_dai_probe()
397 struct snd_soc_dai_driver *daidrv;
398 struct rsnd_dai *rdai;
402 #define rsnd_priv_to_pdev(priv) ((priv)->pdev)
403 #define rsnd_priv_to_dev(priv) (&(rsnd_priv_to_pdev(priv)->dev))
404 #define rsnd_priv_to_info(priv) ((priv)->info)
405 #define rsnd_lock(priv, flags) spin_lock_irqsave(&priv->lock, flags)
406 #define rsnd_unlock(priv, flags) spin_unlock_irqrestore(&priv->lock, flags)
408 #define rsnd_info_is_playback(priv, type) \
410 struct rcar_snd_info *info = rsnd_priv_to_info(priv); \
411 int i, is_play = 0; \
412 for (i = 0; i < info->dai_info_nr; i++) { \
413 if (info->dai_info[i].playback.type == (type)->info) { \
424 struct rsnd_kctrl_cfg {
428 const char * const *texts;
429 void (*update)(struct rsnd_mod *mod);
432 #define RSND_DVC_CHANNELS 2
433 struct rsnd_kctrl_cfg_m {
434 struct rsnd_kctrl_cfg cfg;
435 u32 val[RSND_DVC_CHANNELS];
438 struct rsnd_kctrl_cfg_s {
439 struct rsnd_kctrl_cfg cfg;
443 int rsnd_kctrl_new_m(struct rsnd_mod *mod,
444 struct rsnd_dai *rdai,
445 struct snd_soc_pcm_runtime *rtd,
446 const unsigned char *name,
447 void (*update)(struct rsnd_mod *mod),
448 struct rsnd_kctrl_cfg_m *_cfg,
450 int rsnd_kctrl_new_s(struct rsnd_mod *mod,
451 struct rsnd_dai *rdai,
452 struct snd_soc_pcm_runtime *rtd,
453 const unsigned char *name,
454 void (*update)(struct rsnd_mod *mod),
455 struct rsnd_kctrl_cfg_s *_cfg,
457 int rsnd_kctrl_new_e(struct rsnd_mod *mod,
458 struct rsnd_dai *rdai,
459 struct snd_soc_pcm_runtime *rtd,
460 const unsigned char *name,
461 struct rsnd_kctrl_cfg_s *_cfg,
462 void (*update)(struct rsnd_mod *mod),
463 const char * const *texts,
469 int rsnd_src_probe(struct platform_device *pdev,
470 const struct rsnd_of_data *of_data,
471 struct rsnd_priv *priv);
472 struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id);
473 unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv,
474 struct rsnd_dai_stream *io,
475 struct snd_pcm_runtime *runtime);
476 int rsnd_src_ssiu_start(struct rsnd_mod *ssi_mod,
477 struct rsnd_dai *rdai,
479 int rsnd_src_ssiu_stop(struct rsnd_mod *ssi_mod,
480 struct rsnd_dai *rdai);
481 int rsnd_src_ssi_irq_enable(struct rsnd_mod *ssi_mod,
482 struct rsnd_dai *rdai);
483 int rsnd_src_ssi_irq_disable(struct rsnd_mod *ssi_mod,
484 struct rsnd_dai *rdai);
486 #define rsnd_src_nr(priv) ((priv)->src_nr)
491 int rsnd_ssi_probe(struct platform_device *pdev,
492 const struct rsnd_of_data *of_data,
493 struct rsnd_priv *priv);
494 struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id);
495 int rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod);
496 int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod);
501 int rsnd_dvc_probe(struct platform_device *pdev,
502 const struct rsnd_of_data *of_data,
503 struct rsnd_priv *priv);
504 void rsnd_dvc_remove(struct platform_device *pdev,
505 struct rsnd_priv *priv);
506 struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id);
508 #define rsnd_dvc_nr(priv) ((priv)->dvc_nr)