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
, struct rsnd_dai_stream
*io
);
174 struct rsnd_dma_ops
{
175 void (*start
)(struct rsnd_dai_stream
*io
, struct rsnd_dma
*dma
);
176 void (*stop
)(struct rsnd_dai_stream
*io
, struct rsnd_dma
*dma
);
177 int (*init
)(struct rsnd_dai_stream
*io
, struct rsnd_dma
*dma
, int id
,
178 struct rsnd_mod
*mod_from
, struct rsnd_mod
*mod_to
);
179 void (*quit
)(struct rsnd_dai_stream
*io
, 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_dai_stream
*io
, struct rsnd_dma
*dma
);
204 void rsnd_dma_stop(struct rsnd_dai_stream
*io
, struct rsnd_dma
*dma
);
205 int rsnd_dma_init(struct rsnd_dai_stream
*io
, struct rsnd_dma
*dma
, int id
);
206 void rsnd_dma_quit(struct rsnd_dai_stream
*io
, 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_dai_stream
*io
,
228 struct rsnd_mod
*mod
);
229 int (*probe
)(struct rsnd_mod
*mod
,
230 struct rsnd_dai_stream
*io
,
231 struct rsnd_priv
*priv
);
232 int (*remove
)(struct rsnd_mod
*mod
,
233 struct rsnd_dai_stream
*io
,
234 struct rsnd_priv
*priv
);
235 int (*init
)(struct rsnd_mod
*mod
,
236 struct rsnd_dai_stream
*io
,
237 struct rsnd_priv
*priv
);
238 int (*quit
)(struct rsnd_mod
*mod
,
239 struct rsnd_dai_stream
*io
,
240 struct rsnd_priv
*priv
);
241 int (*start
)(struct rsnd_mod
*mod
,
242 struct rsnd_dai_stream
*io
,
243 struct rsnd_priv
*priv
);
244 int (*stop
)(struct rsnd_mod
*mod
,
245 struct rsnd_dai_stream
*io
,
246 struct rsnd_priv
*priv
);
247 int (*pcm_new
)(struct rsnd_mod
*mod
,
248 struct rsnd_dai_stream
*io
,
249 struct snd_soc_pcm_runtime
*rtd
);
250 int (*hw_params
)(struct rsnd_mod
*mod
,
251 struct rsnd_dai_stream
*io
,
252 struct snd_pcm_substream
*substream
,
253 struct snd_pcm_hw_params
*hw_params
);
254 int (*fallback
)(struct rsnd_mod
*mod
,
255 struct rsnd_dai_stream
*io
,
256 struct rsnd_priv
*priv
);
259 struct rsnd_dai_stream
;
262 enum rsnd_mod_type type
;
263 struct rsnd_mod_ops
*ops
;
265 struct rsnd_dai_stream
*io
;
266 struct rsnd_priv
*priv
;
275 * A 0: probe 1: remove
279 * H is always called (see __rsnd_mod_call)
284 #define __rsnd_mod_shift_probe 0
285 #define __rsnd_mod_shift_remove 0
286 #define __rsnd_mod_shift_init 4
287 #define __rsnd_mod_shift_quit 4
288 #define __rsnd_mod_shift_start 8
289 #define __rsnd_mod_shift_stop 8
290 #define __rsnd_mod_shift_pcm_new 28 /* always called */
291 #define __rsnd_mod_shift_fallback 28 /* always called */
292 #define __rsnd_mod_shift_hw_params 28 /* always called */
294 #define __rsnd_mod_add_probe 1
295 #define __rsnd_mod_add_remove -1
296 #define __rsnd_mod_add_init 1
297 #define __rsnd_mod_add_quit -1
298 #define __rsnd_mod_add_start 1
299 #define __rsnd_mod_add_stop -1
300 #define __rsnd_mod_add_pcm_new 0
301 #define __rsnd_mod_add_fallback 0
302 #define __rsnd_mod_add_hw_params 0
304 #define __rsnd_mod_call_probe 0
305 #define __rsnd_mod_call_remove 1
306 #define __rsnd_mod_call_init 0
307 #define __rsnd_mod_call_quit 1
308 #define __rsnd_mod_call_start 0
309 #define __rsnd_mod_call_stop 1
310 #define __rsnd_mod_call_pcm_new 0
311 #define __rsnd_mod_call_fallback 0
312 #define __rsnd_mod_call_hw_params 0
314 #define rsnd_mod_to_priv(mod) ((mod)->priv)
315 #define rsnd_mod_to_dma(mod) (&(mod)->dma)
316 #define rsnd_mod_to_io(mod) ((mod)->io)
317 #define rsnd_mod_id(mod) ((mod)->id)
318 #define rsnd_mod_hw_start(mod) clk_enable((mod)->clk)
319 #define rsnd_mod_hw_stop(mod) clk_disable((mod)->clk)
321 int rsnd_mod_init(struct rsnd_priv
*priv
,
322 struct rsnd_mod
*mod
,
323 struct rsnd_mod_ops
*ops
,
325 enum rsnd_mod_type type
,
327 void rsnd_mod_quit(struct rsnd_mod
*mod
);
328 char *rsnd_mod_name(struct rsnd_mod
*mod
);
329 int rsnd_mod_is_working(struct rsnd_mod
*mod
);
330 struct dma_chan
*rsnd_mod_dma_req(struct rsnd_dai_stream
*io
,
331 struct rsnd_mod
*mod
);
332 void rsnd_mod_interrupt(struct rsnd_mod
*mod
,
333 void (*callback
)(struct rsnd_mod
*mod
,
334 struct rsnd_dai_stream
*io
));
339 #define RSND_DAI_NAME_SIZE 16
340 struct rsnd_dai_stream
{
341 char name
[RSND_DAI_NAME_SIZE
];
342 struct snd_pcm_substream
*substream
;
343 struct rsnd_mod
*mod
[RSND_MOD_MAX
];
344 struct rsnd_dai_path_info
*info
; /* rcar_snd.h */
345 struct rsnd_dai
*rdai
;
349 int next_period_byte
;
351 #define rsnd_io_to_mod_ssi(io) ((io)->mod[RSND_MOD_SSI])
352 #define rsnd_io_to_mod_src(io) ((io)->mod[RSND_MOD_SRC])
353 #define rsnd_io_to_mod_dvc(io) ((io)->mod[RSND_MOD_DVC])
354 #define rsnd_io_to_rdai(io) ((io)->rdai)
355 #define rsnd_io_to_priv(io) (rsnd_rdai_to_priv(rsnd_io_to_rdai(io)))
356 #define rsnd_io_is_play(io) (&rsnd_io_to_rdai(io)->playback == io)
357 #define rsnd_io_to_runtime(io) ((io)->substream ? \
358 (io)->substream->runtime : NULL)
362 char name
[RSND_DAI_NAME_SIZE
];
363 struct rsnd_dai_stream playback
;
364 struct rsnd_dai_stream capture
;
365 struct rsnd_priv
*priv
;
367 unsigned int clk_master
:1;
368 unsigned int bit_clk_inv
:1;
369 unsigned int frm_clk_inv
:1;
370 unsigned int sys_delay
:1;
371 unsigned int data_alignment
:1;
374 #define rsnd_rdai_nr(priv) ((priv)->rdai_nr)
375 #define rsnd_rdai_is_clk_master(rdai) ((rdai)->clk_master)
376 #define rsnd_rdai_to_priv(rdai) ((rdai)->priv)
377 #define for_each_rsnd_dai(rdai, priv, i) \
379 (i < rsnd_rdai_nr(priv)) && \
380 ((rdai) = rsnd_rdai_get(priv, i)); \
383 struct rsnd_dai
*rsnd_rdai_get(struct rsnd_priv
*priv
, int id
);
385 bool rsnd_dai_pointer_update(struct rsnd_dai_stream
*io
, int cnt
);
386 void rsnd_dai_period_elapsed(struct rsnd_dai_stream
*io
);
387 int rsnd_dai_pointer_offset(struct rsnd_dai_stream
*io
, int additional
);
392 int rsnd_gen_probe(struct platform_device
*pdev
,
393 const struct rsnd_of_data
*of_data
,
394 struct rsnd_priv
*priv
);
395 void __iomem
*rsnd_gen_reg_get(struct rsnd_priv
*priv
,
396 struct rsnd_mod
*mod
,
398 phys_addr_t
rsnd_gen_get_phy_addr(struct rsnd_priv
*priv
, int reg_id
);
400 #define rsnd_is_gen1(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN1)
401 #define rsnd_is_gen2(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN2)
406 int rsnd_adg_ssi_clk_stop(struct rsnd_mod
*mod
);
407 int rsnd_adg_ssi_clk_try_start(struct rsnd_mod
*mod
, unsigned int rate
);
408 int rsnd_adg_probe(struct platform_device
*pdev
,
409 const struct rsnd_of_data
*of_data
,
410 struct rsnd_priv
*priv
);
411 int rsnd_adg_set_convert_clk_gen1(struct rsnd_priv
*priv
,
412 struct rsnd_mod
*mod
,
413 unsigned int src_rate
,
414 unsigned int dst_rate
);
415 int rsnd_adg_set_convert_clk_gen2(struct rsnd_mod
*mod
,
416 struct rsnd_dai_stream
*io
,
417 unsigned int src_rate
,
418 unsigned int dst_rate
);
419 int rsnd_adg_set_convert_timing_gen2(struct rsnd_mod
*mod
,
420 struct rsnd_dai_stream
*io
);
421 int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_mod
*mod
,
422 struct rsnd_dai_stream
*io
);
427 struct rsnd_of_data
{
433 struct platform_device
*pdev
;
434 struct rcar_snd_info
*info
;
438 * below value will be filled on rsnd_gen_probe()
443 * below value will be filled on rsnd_src_probe()
449 * below value will be filled on rsnd_adg_probe()
454 * below value will be filled on rsnd_dma_probe()
459 * below value will be filled on rsnd_ssi_probe()
465 * below value will be filled on rsnd_dvc_probe()
471 * below value will be filled on rsnd_dai_probe()
473 struct snd_soc_dai_driver
*daidrv
;
474 struct rsnd_dai
*rdai
;
478 #define rsnd_priv_to_pdev(priv) ((priv)->pdev)
479 #define rsnd_priv_to_dev(priv) (&(rsnd_priv_to_pdev(priv)->dev))
480 #define rsnd_priv_to_info(priv) ((priv)->info)
485 struct rsnd_kctrl_cfg
{
489 const char * const *texts
;
490 void (*update
)(struct rsnd_dai_stream
*io
, struct rsnd_mod
*mod
);
491 struct rsnd_dai_stream
*io
;
492 struct snd_card
*card
;
493 struct snd_kcontrol
*kctrl
;
496 #define RSND_DVC_CHANNELS 2
497 struct rsnd_kctrl_cfg_m
{
498 struct rsnd_kctrl_cfg cfg
;
499 u32 val
[RSND_DVC_CHANNELS
];
502 struct rsnd_kctrl_cfg_s
{
503 struct rsnd_kctrl_cfg cfg
;
507 void _rsnd_kctrl_remove(struct rsnd_kctrl_cfg
*cfg
);
508 #define rsnd_kctrl_remove(_cfg) _rsnd_kctrl_remove(&((_cfg).cfg))
510 int rsnd_kctrl_new_m(struct rsnd_mod
*mod
,
511 struct rsnd_dai_stream
*io
,
512 struct snd_soc_pcm_runtime
*rtd
,
513 const unsigned char *name
,
514 void (*update
)(struct rsnd_dai_stream
*io
,
515 struct rsnd_mod
*mod
),
516 struct rsnd_kctrl_cfg_m
*_cfg
,
518 int rsnd_kctrl_new_s(struct rsnd_mod
*mod
,
519 struct rsnd_dai_stream
*io
,
520 struct snd_soc_pcm_runtime
*rtd
,
521 const unsigned char *name
,
522 void (*update
)(struct rsnd_dai_stream
*io
,
523 struct rsnd_mod
*mod
),
524 struct rsnd_kctrl_cfg_s
*_cfg
,
526 int rsnd_kctrl_new_e(struct rsnd_mod
*mod
,
527 struct rsnd_dai_stream
*io
,
528 struct snd_soc_pcm_runtime
*rtd
,
529 const unsigned char *name
,
530 struct rsnd_kctrl_cfg_s
*_cfg
,
531 void (*update
)(struct rsnd_dai_stream
*io
,
532 struct rsnd_mod
*mod
),
533 const char * const *texts
,
539 int rsnd_src_probe(struct platform_device
*pdev
,
540 const struct rsnd_of_data
*of_data
,
541 struct rsnd_priv
*priv
);
542 void rsnd_src_remove(struct platform_device
*pdev
,
543 struct rsnd_priv
*priv
);
544 struct rsnd_mod
*rsnd_src_mod_get(struct rsnd_priv
*priv
, int id
);
545 unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv
*priv
,
546 struct rsnd_dai_stream
*io
,
547 struct snd_pcm_runtime
*runtime
);
548 int rsnd_src_ssiu_start(struct rsnd_mod
*ssi_mod
,
549 struct rsnd_dai_stream
*io
,
551 int rsnd_src_ssiu_stop(struct rsnd_mod
*ssi_mod
,
552 struct rsnd_dai_stream
*io
);
553 int rsnd_src_ssi_irq_enable(struct rsnd_mod
*ssi_mod
);
554 int rsnd_src_ssi_irq_disable(struct rsnd_mod
*ssi_mod
);
556 #define rsnd_src_nr(priv) ((priv)->src_nr)
561 int rsnd_ssi_probe(struct platform_device
*pdev
,
562 const struct rsnd_of_data
*of_data
,
563 struct rsnd_priv
*priv
);
564 void rsnd_ssi_remove(struct platform_device
*pdev
,
565 struct rsnd_priv
*priv
);
566 struct rsnd_mod
*rsnd_ssi_mod_get(struct rsnd_priv
*priv
, int id
);
567 int rsnd_ssi_is_pin_sharing(struct rsnd_mod
*mod
);
568 int rsnd_ssi_is_dma_mode(struct rsnd_mod
*mod
);
569 int rsnd_ssi_use_busif(struct rsnd_dai_stream
*io
, struct rsnd_mod
*mod
);
574 int rsnd_dvc_probe(struct platform_device
*pdev
,
575 const struct rsnd_of_data
*of_data
,
576 struct rsnd_priv
*priv
);
577 void rsnd_dvc_remove(struct platform_device
*pdev
,
578 struct rsnd_priv
*priv
);
579 struct rsnd_mod
*rsnd_dvc_mod_get(struct rsnd_priv
*priv
, int id
);
581 #define rsnd_dvc_nr(priv) ((priv)->dvc_nr)
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