1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // Renesas R-Car
4 //
5 // Copyright (C) 2013 Renesas Solutions Corp.
6 // Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
7 
8 #ifndef RSND_H
9 #define RSND_H
10 
11 #include <linux/clk.h>
12 #include <linux/device.h>
13 #include <linux/dma-mapping.h>
14 #include <linux/io.h>
15 #include <linux/list.h>
16 #include <linux/module.h>
17 #include <linux/of_device.h>
18 #include <linux/of_graph.h>
19 #include <linux/of_irq.h>
20 #include <linux/sh_dma.h>
21 #include <linux/workqueue.h>
22 #include <sound/soc.h>
23 #include <sound/pcm_params.h>
24 
25 #define RSND_GEN1_SRU	0
26 #define RSND_GEN1_ADG	1
27 #define RSND_GEN1_SSI	2
28 
29 #define RSND_GEN2_SCU	0
30 #define RSND_GEN2_ADG	1
31 #define RSND_GEN2_SSIU	2
32 #define RSND_GEN2_SSI	3
33 
34 #define RSND_BASE_MAX	4
35 
36 /*
37  *	pseudo register
38  *
39  * The register address offsets SRU/SCU/SSIU on Gen1/Gen2 are very different.
40  * This driver uses pseudo register in order to hide it.
41  * see gen1/gen2 for detail
42  */
43 enum rsnd_reg {
44 	/* SCU (MIX/CTU/DVC) */
45 	SRC_I_BUSIF_MODE,
46 	SRC_O_BUSIF_MODE,
47 	SRC_ROUTE_MODE0,
48 	SRC_SWRSR,
49 	SRC_SRCIR,
50 	SRC_ADINR,
51 	SRC_IFSCR,
52 	SRC_IFSVR,
53 	SRC_SRCCR,
54 	SRC_CTRL,
55 	SRC_BSDSR,
56 	SRC_BSISR,
57 	SRC_INT_ENABLE0,
58 	SRC_BUSIF_DALIGN,
59 	SRCIN_TIMSEL0,
60 	SRCIN_TIMSEL1,
61 	SRCIN_TIMSEL2,
62 	SRCIN_TIMSEL3,
63 	SRCIN_TIMSEL4,
64 	SRCOUT_TIMSEL0,
65 	SRCOUT_TIMSEL1,
66 	SRCOUT_TIMSEL2,
67 	SRCOUT_TIMSEL3,
68 	SRCOUT_TIMSEL4,
69 	SCU_SYS_STATUS0,
70 	SCU_SYS_STATUS1,
71 	SCU_SYS_INT_EN0,
72 	SCU_SYS_INT_EN1,
73 	CMD_CTRL,
74 	CMD_BUSIF_MODE,
75 	CMD_BUSIF_DALIGN,
76 	CMD_ROUTE_SLCT,
77 	CMDOUT_TIMSEL,
78 	CTU_SWRSR,
79 	CTU_CTUIR,
80 	CTU_ADINR,
81 	CTU_CPMDR,
82 	CTU_SCMDR,
83 	CTU_SV00R,
84 	CTU_SV01R,
85 	CTU_SV02R,
86 	CTU_SV03R,
87 	CTU_SV04R,
88 	CTU_SV05R,
89 	CTU_SV06R,
90 	CTU_SV07R,
91 	CTU_SV10R,
92 	CTU_SV11R,
93 	CTU_SV12R,
94 	CTU_SV13R,
95 	CTU_SV14R,
96 	CTU_SV15R,
97 	CTU_SV16R,
98 	CTU_SV17R,
99 	CTU_SV20R,
100 	CTU_SV21R,
101 	CTU_SV22R,
102 	CTU_SV23R,
103 	CTU_SV24R,
104 	CTU_SV25R,
105 	CTU_SV26R,
106 	CTU_SV27R,
107 	CTU_SV30R,
108 	CTU_SV31R,
109 	CTU_SV32R,
110 	CTU_SV33R,
111 	CTU_SV34R,
112 	CTU_SV35R,
113 	CTU_SV36R,
114 	CTU_SV37R,
115 	MIX_SWRSR,
116 	MIX_MIXIR,
117 	MIX_ADINR,
118 	MIX_MIXMR,
119 	MIX_MVPDR,
120 	MIX_MDBAR,
121 	MIX_MDBBR,
122 	MIX_MDBCR,
123 	MIX_MDBDR,
124 	MIX_MDBER,
125 	DVC_SWRSR,
126 	DVC_DVUIR,
127 	DVC_ADINR,
128 	DVC_DVUCR,
129 	DVC_ZCMCR,
130 	DVC_VOL0R,
131 	DVC_VOL1R,
132 	DVC_VOL2R,
133 	DVC_VOL3R,
134 	DVC_VOL4R,
135 	DVC_VOL5R,
136 	DVC_VOL6R,
137 	DVC_VOL7R,
138 	DVC_DVUER,
139 	DVC_VRCTR,
140 	DVC_VRPDR,
141 	DVC_VRDBR,
142 
143 	/* ADG */
144 	BRRA,
145 	BRRB,
146 	BRGCKR,
147 	DIV_EN,
148 	AUDIO_CLK_SEL0,
149 	AUDIO_CLK_SEL1,
150 	AUDIO_CLK_SEL2,
151 
152 	/* SSIU */
153 	SSI_MODE,
154 	SSI_MODE0,
155 	SSI_MODE1,
156 	SSI_MODE2,
157 	SSI_CONTROL,
158 	SSI_CTRL,
159 	SSI_BUSIF0_MODE,
160 	SSI_BUSIF1_MODE,
161 	SSI_BUSIF2_MODE,
162 	SSI_BUSIF3_MODE,
163 	SSI_BUSIF4_MODE,
164 	SSI_BUSIF5_MODE,
165 	SSI_BUSIF6_MODE,
166 	SSI_BUSIF7_MODE,
167 	SSI_BUSIF0_ADINR,
168 	SSI_BUSIF1_ADINR,
169 	SSI_BUSIF2_ADINR,
170 	SSI_BUSIF3_ADINR,
171 	SSI_BUSIF4_ADINR,
172 	SSI_BUSIF5_ADINR,
173 	SSI_BUSIF6_ADINR,
174 	SSI_BUSIF7_ADINR,
175 	SSI_BUSIF0_DALIGN,
176 	SSI_BUSIF1_DALIGN,
177 	SSI_BUSIF2_DALIGN,
178 	SSI_BUSIF3_DALIGN,
179 	SSI_BUSIF4_DALIGN,
180 	SSI_BUSIF5_DALIGN,
181 	SSI_BUSIF6_DALIGN,
182 	SSI_BUSIF7_DALIGN,
183 	SSI_INT_ENABLE,
184 	SSI_SYS_STATUS0,
185 	SSI_SYS_STATUS1,
186 	SSI_SYS_STATUS2,
187 	SSI_SYS_STATUS3,
188 	SSI_SYS_STATUS4,
189 	SSI_SYS_STATUS5,
190 	SSI_SYS_STATUS6,
191 	SSI_SYS_STATUS7,
192 	HDMI0_SEL,
193 	HDMI1_SEL,
194 	SSI9_BUSIF0_MODE,
195 	SSI9_BUSIF1_MODE,
196 	SSI9_BUSIF2_MODE,
197 	SSI9_BUSIF3_MODE,
198 	SSI9_BUSIF4_MODE,
199 	SSI9_BUSIF5_MODE,
200 	SSI9_BUSIF6_MODE,
201 	SSI9_BUSIF7_MODE,
202 	SSI9_BUSIF0_ADINR,
203 	SSI9_BUSIF1_ADINR,
204 	SSI9_BUSIF2_ADINR,
205 	SSI9_BUSIF3_ADINR,
206 	SSI9_BUSIF4_ADINR,
207 	SSI9_BUSIF5_ADINR,
208 	SSI9_BUSIF6_ADINR,
209 	SSI9_BUSIF7_ADINR,
210 	SSI9_BUSIF0_DALIGN,
211 	SSI9_BUSIF1_DALIGN,
212 	SSI9_BUSIF2_DALIGN,
213 	SSI9_BUSIF3_DALIGN,
214 	SSI9_BUSIF4_DALIGN,
215 	SSI9_BUSIF5_DALIGN,
216 	SSI9_BUSIF6_DALIGN,
217 	SSI9_BUSIF7_DALIGN,
218 
219 	/* SSI */
220 	SSICR,
221 	SSISR,
222 	SSITDR,
223 	SSIRDR,
224 	SSIWSR,
225 
226 	REG_MAX,
227 };
228 #define SRCIN_TIMSEL(i)		(SRCIN_TIMSEL0 + (i))
229 #define SRCOUT_TIMSEL(i)	(SRCOUT_TIMSEL0 + (i))
230 #define CTU_SVxxR(i, j)		(CTU_SV00R + (i * 8) + (j))
231 #define DVC_VOLxR(i)		(DVC_VOL0R + (i))
232 #define AUDIO_CLK_SEL(i)	(AUDIO_CLK_SEL0 + (i))
233 #define SSI_BUSIF_MODE(i)	(SSI_BUSIF0_MODE + (i))
234 #define SSI_BUSIF_ADINR(i)	(SSI_BUSIF0_ADINR + (i))
235 #define SSI_BUSIF_DALIGN(i)	(SSI_BUSIF0_DALIGN + (i))
236 #define SSI9_BUSIF_MODE(i)	(SSI9_BUSIF0_MODE + (i))
237 #define SSI9_BUSIF_ADINR(i)	(SSI9_BUSIF0_ADINR + (i))
238 #define SSI9_BUSIF_DALIGN(i)	(SSI9_BUSIF0_DALIGN + (i))
239 #define SSI_SYS_STATUS(i)	(SSI_SYS_STATUS0 + (i))
240 
241 
242 struct rsnd_priv;
243 struct rsnd_mod;
244 struct rsnd_dai;
245 struct rsnd_dai_stream;
246 
247 /*
248  *	R-Car basic functions
249  */
250 u32 rsnd_mod_read(struct rsnd_mod *mod, enum rsnd_reg reg);
251 void rsnd_mod_write(struct rsnd_mod *mod, enum rsnd_reg reg, u32 data);
252 void rsnd_mod_bset(struct rsnd_mod *mod, enum rsnd_reg reg, u32 mask, u32 data);
253 u32 rsnd_get_adinr_bit(struct rsnd_mod *mod, struct rsnd_dai_stream *io);
254 u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io);
255 u32 rsnd_get_busif_shift(struct rsnd_dai_stream *io, struct rsnd_mod *mod);
256 
257 /*
258  *	R-Car DMA
259  */
260 int rsnd_dma_attach(struct rsnd_dai_stream *io,
261 		    struct rsnd_mod *mod, struct rsnd_mod **dma_mod);
262 int rsnd_dma_probe(struct rsnd_priv *priv);
263 struct dma_chan *rsnd_dma_request_channel(struct device_node *of_node,
264 					  struct rsnd_mod *mod, char *name);
265 
266 /*
267  *	R-Car sound mod
268  */
269 enum rsnd_mod_type {
270 	RSND_MOD_AUDMAPP,
271 	RSND_MOD_AUDMA,
272 	RSND_MOD_DVC,
273 	RSND_MOD_MIX,
274 	RSND_MOD_CTU,
275 	RSND_MOD_CMD,
276 	RSND_MOD_SRC,
277 	RSND_MOD_SSIM3,		/* SSI multi 3 */
278 	RSND_MOD_SSIM2,		/* SSI multi 2 */
279 	RSND_MOD_SSIM1,		/* SSI multi 1 */
280 	RSND_MOD_SSIP,		/* SSI parent */
281 	RSND_MOD_SSI,
282 	RSND_MOD_SSIU,
283 	RSND_MOD_MAX,
284 };
285 
286 struct rsnd_mod_ops {
287 	char *name;
288 	struct dma_chan* (*dma_req)(struct rsnd_dai_stream *io,
289 				    struct rsnd_mod *mod);
290 	int (*probe)(struct rsnd_mod *mod,
291 		     struct rsnd_dai_stream *io,
292 		     struct rsnd_priv *priv);
293 	int (*remove)(struct rsnd_mod *mod,
294 		      struct rsnd_dai_stream *io,
295 		      struct rsnd_priv *priv);
296 	int (*init)(struct rsnd_mod *mod,
297 		    struct rsnd_dai_stream *io,
298 		    struct rsnd_priv *priv);
299 	int (*quit)(struct rsnd_mod *mod,
300 		    struct rsnd_dai_stream *io,
301 		    struct rsnd_priv *priv);
302 	int (*start)(struct rsnd_mod *mod,
303 		     struct rsnd_dai_stream *io,
304 		     struct rsnd_priv *priv);
305 	int (*stop)(struct rsnd_mod *mod,
306 		    struct rsnd_dai_stream *io,
307 		    struct rsnd_priv *priv);
308 	int (*irq)(struct rsnd_mod *mod,
309 		   struct rsnd_dai_stream *io,
310 		   struct rsnd_priv *priv, int enable);
311 	int (*pcm_new)(struct rsnd_mod *mod,
312 		       struct rsnd_dai_stream *io,
313 		       struct snd_soc_pcm_runtime *rtd);
314 	int (*hw_params)(struct rsnd_mod *mod,
315 			 struct rsnd_dai_stream *io,
316 			 struct snd_pcm_substream *substream,
317 			 struct snd_pcm_hw_params *hw_params);
318 	int (*pointer)(struct rsnd_mod *mod,
319 		       struct rsnd_dai_stream *io,
320 		       snd_pcm_uframes_t *pointer);
321 	int (*fallback)(struct rsnd_mod *mod,
322 			struct rsnd_dai_stream *io,
323 			struct rsnd_priv *priv);
324 	int (*prepare)(struct rsnd_mod *mod,
325 		       struct rsnd_dai_stream *io,
326 		       struct rsnd_priv *priv);
327 	int (*cleanup)(struct rsnd_mod *mod,
328 		       struct rsnd_dai_stream *io,
329 		       struct rsnd_priv *priv);
330 	int (*hw_free)(struct rsnd_mod *mod,
331 		       struct rsnd_dai_stream *io,
332 		       struct snd_pcm_substream *substream);
333 	u32 *(*get_status)(struct rsnd_mod *mod,
334 			   struct rsnd_dai_stream *io,
335 			   enum rsnd_mod_type type);
336 	int (*id)(struct rsnd_mod *mod);
337 	int (*id_sub)(struct rsnd_mod *mod);
338 	int (*id_cmd)(struct rsnd_mod *mod);
339 };
340 
341 struct rsnd_dai_stream;
342 struct rsnd_mod {
343 	int id;
344 	enum rsnd_mod_type type;
345 	struct rsnd_mod_ops *ops;
346 	struct rsnd_priv *priv;
347 	struct clk *clk;
348 	u32 status;
349 };
350 /*
351  * status
352  *
353  * 0xH0000CB0
354  *
355  * B	0: init		1: quit
356  * C	0: start	1: stop
357  * D	0: hw_params	1: hw_free
358  *
359  * H is always called (see __rsnd_mod_call)
360  * H	0: probe	1: remove
361  * H	0: pcm_new
362  * H	0: fallback
363  * H	0: pointer
364  * H	0: prepare
365  * H	0: cleanup
366  */
367 #define __rsnd_mod_shift_init		4
368 #define __rsnd_mod_shift_quit		4
369 #define __rsnd_mod_shift_start		8
370 #define __rsnd_mod_shift_stop		8
371 #define __rsnd_mod_shift_hw_params	12
372 #define __rsnd_mod_shift_hw_free	12
373 #define __rsnd_mod_shift_probe		28 /* always called */
374 #define __rsnd_mod_shift_remove		28 /* always called */
375 #define __rsnd_mod_shift_irq		28 /* always called */
376 #define __rsnd_mod_shift_pcm_new	28 /* always called */
377 #define __rsnd_mod_shift_fallback	28 /* always called */
378 #define __rsnd_mod_shift_pointer	28 /* always called */
379 #define __rsnd_mod_shift_prepare	28 /* always called */
380 #define __rsnd_mod_shift_cleanup	28 /* always called */
381 
382 #define __rsnd_mod_add_probe		0
383 #define __rsnd_mod_add_remove		0
384 #define __rsnd_mod_add_prepare		0
385 #define __rsnd_mod_add_cleanup		0
386 #define __rsnd_mod_add_init		 1
387 #define __rsnd_mod_add_quit		-1
388 #define __rsnd_mod_add_start		 1
389 #define __rsnd_mod_add_stop		-1
390 #define __rsnd_mod_add_hw_params	1
391 #define __rsnd_mod_add_hw_free		-1
392 #define __rsnd_mod_add_irq		0
393 #define __rsnd_mod_add_pcm_new		0
394 #define __rsnd_mod_add_fallback		0
395 #define __rsnd_mod_add_pointer		0
396 
397 #define __rsnd_mod_call_probe		0
398 #define __rsnd_mod_call_remove		0
399 #define __rsnd_mod_call_prepare		0
400 #define __rsnd_mod_call_cleanup		0
401 #define __rsnd_mod_call_init		0
402 #define __rsnd_mod_call_quit		1
403 #define __rsnd_mod_call_start		0
404 #define __rsnd_mod_call_stop		1
405 #define __rsnd_mod_call_irq		0
406 #define __rsnd_mod_call_pcm_new		0
407 #define __rsnd_mod_call_fallback	0
408 #define __rsnd_mod_call_hw_params	0
409 #define __rsnd_mod_call_pointer		0
410 #define __rsnd_mod_call_hw_free		1
411 
412 #define rsnd_mod_to_priv(mod)	((mod)->priv)
413 #define rsnd_mod_power_on(mod)	clk_enable((mod)->clk)
414 #define rsnd_mod_power_off(mod)	clk_disable((mod)->clk)
415 #define rsnd_mod_get(ip)	(&(ip)->mod)
416 
417 int rsnd_mod_init(struct rsnd_priv *priv,
418 		  struct rsnd_mod *mod,
419 		  struct rsnd_mod_ops *ops,
420 		  struct clk *clk,
421 		  enum rsnd_mod_type type,
422 		  int id);
423 void rsnd_mod_quit(struct rsnd_mod *mod);
424 struct dma_chan *rsnd_mod_dma_req(struct rsnd_dai_stream *io,
425 				  struct rsnd_mod *mod);
426 void rsnd_mod_interrupt(struct rsnd_mod *mod,
427 			void (*callback)(struct rsnd_mod *mod,
428 					 struct rsnd_dai_stream *io));
429 u32 *rsnd_mod_get_status(struct rsnd_mod *mod,
430 			 struct rsnd_dai_stream *io,
431 			 enum rsnd_mod_type type);
432 int rsnd_mod_id(struct rsnd_mod *mod);
433 int rsnd_mod_id_raw(struct rsnd_mod *mod);
434 int rsnd_mod_id_sub(struct rsnd_mod *mod);
435 char *rsnd_mod_name(struct rsnd_mod *mod);
436 struct rsnd_mod *rsnd_mod_next(int *iterator,
437 			       struct rsnd_dai_stream *io,
438 			       enum rsnd_mod_type *array,
439 			       int array_size);
440 #define for_each_rsnd_mod(iterator, pos, io)				\
441 	for (iterator = 0;						\
442 	     (pos = rsnd_mod_next(&iterator, io, NULL, 0)); iterator++)
443 #define for_each_rsnd_mod_arrays(iterator, pos, io, array, size)	\
444 	for (iterator = 0;						\
445 	     (pos = rsnd_mod_next(&iterator, io, array, size)); iterator++)
446 #define for_each_rsnd_mod_array(iterator, pos, io, array)		\
447 	for_each_rsnd_mod_arrays(iterator, pos, io, array, ARRAY_SIZE(array))
448 
449 void rsnd_parse_connect_common(struct rsnd_dai *rdai,
450 		struct rsnd_mod* (*mod_get)(struct rsnd_priv *priv, int id),
451 		struct device_node *node,
452 		struct device_node *playback,
453 		struct device_node *capture);
454 
455 int rsnd_channel_normalization(int chan);
456 #define rsnd_runtime_channel_original(io) \
457 	rsnd_runtime_channel_original_with_params(io, NULL)
458 int rsnd_runtime_channel_original_with_params(struct rsnd_dai_stream *io,
459 				struct snd_pcm_hw_params *params);
460 #define rsnd_runtime_channel_after_ctu(io)			\
461 	rsnd_runtime_channel_after_ctu_with_params(io, NULL)
462 int rsnd_runtime_channel_after_ctu_with_params(struct rsnd_dai_stream *io,
463 				struct snd_pcm_hw_params *params);
464 #define rsnd_runtime_channel_for_ssi(io) \
465 	rsnd_runtime_channel_for_ssi_with_params(io, NULL)
466 int rsnd_runtime_channel_for_ssi_with_params(struct rsnd_dai_stream *io,
467 				 struct snd_pcm_hw_params *params);
468 int rsnd_runtime_is_multi_ssi(struct rsnd_dai_stream *io);
469 int rsnd_runtime_is_tdm(struct rsnd_dai_stream *io);
470 int rsnd_runtime_is_tdm_split(struct rsnd_dai_stream *io);
471 
472 /*
473  * DT
474  */
475 #define rsnd_parse_of_node(priv, node)					\
476 	of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, node)
477 #define RSND_NODE_DAI	"rcar_sound,dai"
478 #define RSND_NODE_SSI	"rcar_sound,ssi"
479 #define RSND_NODE_SSIU	"rcar_sound,ssiu"
480 #define RSND_NODE_SRC	"rcar_sound,src"
481 #define RSND_NODE_CTU	"rcar_sound,ctu"
482 #define RSND_NODE_MIX	"rcar_sound,mix"
483 #define RSND_NODE_DVC	"rcar_sound,dvc"
484 
485 /*
486  *	R-Car sound DAI
487  */
488 #define RSND_DAI_NAME_SIZE	16
489 struct rsnd_dai_stream {
490 	char name[RSND_DAI_NAME_SIZE];
491 	struct snd_pcm_substream *substream;
492 	struct rsnd_mod *mod[RSND_MOD_MAX];
493 	struct rsnd_mod *dma;
494 	struct rsnd_dai *rdai;
495 	struct device *dmac_dev; /* for IPMMU */
496 	u32 converted_rate;      /* converted sampling rate */
497 	int converted_chan;      /* converted channels */
498 	u32 parent_ssi_status;
499 	u32 flags;
500 };
501 
502 /* flags */
503 #define RSND_STREAM_HDMI0	(1 << 0) /* for HDMI0 */
504 #define RSND_STREAM_HDMI1	(1 << 1) /* for HDMI1 */
505 #define RSND_STREAM_TDM_SPLIT	(1 << 2) /* for TDM split mode */
506 
507 #define rsnd_io_to_mod(io, i)	((i) < RSND_MOD_MAX ? (io)->mod[(i)] : NULL)
508 #define rsnd_io_to_mod_ssi(io)	rsnd_io_to_mod((io), RSND_MOD_SSI)
509 #define rsnd_io_to_mod_ssiu(io)	rsnd_io_to_mod((io), RSND_MOD_SSIU)
510 #define rsnd_io_to_mod_ssip(io)	rsnd_io_to_mod((io), RSND_MOD_SSIP)
511 #define rsnd_io_to_mod_src(io)	rsnd_io_to_mod((io), RSND_MOD_SRC)
512 #define rsnd_io_to_mod_ctu(io)	rsnd_io_to_mod((io), RSND_MOD_CTU)
513 #define rsnd_io_to_mod_mix(io)	rsnd_io_to_mod((io), RSND_MOD_MIX)
514 #define rsnd_io_to_mod_dvc(io)	rsnd_io_to_mod((io), RSND_MOD_DVC)
515 #define rsnd_io_to_mod_cmd(io)	rsnd_io_to_mod((io), RSND_MOD_CMD)
516 #define rsnd_io_to_rdai(io)	((io)->rdai)
517 #define rsnd_io_to_priv(io)	(rsnd_rdai_to_priv(rsnd_io_to_rdai(io)))
518 #define rsnd_io_is_play(io)	(&rsnd_io_to_rdai(io)->playback == io)
519 #define rsnd_io_to_runtime(io) ((io)->substream ? \
520 				(io)->substream->runtime : NULL)
521 #define rsnd_io_converted_rate(io)	((io)->converted_rate)
522 #define rsnd_io_converted_chan(io)	((io)->converted_chan)
523 int rsnd_io_is_working(struct rsnd_dai_stream *io);
524 
525 struct rsnd_dai {
526 	char name[RSND_DAI_NAME_SIZE];
527 	struct rsnd_dai_stream playback;
528 	struct rsnd_dai_stream capture;
529 	struct rsnd_priv *priv;
530 	struct snd_pcm_hw_constraint_list constraint;
531 
532 	int max_channels;	/* 2ch - 16ch */
533 	int ssi_lane;		/* 1lane - 4lane */
534 	int chan_width;		/* 16/24/32 bit width */
535 
536 	unsigned int clk_master:1;
537 	unsigned int bit_clk_inv:1;
538 	unsigned int frm_clk_inv:1;
539 	unsigned int sys_delay:1;
540 	unsigned int data_alignment:1;
541 };
542 
543 #define rsnd_rdai_nr(priv) ((priv)->rdai_nr)
544 #define rsnd_rdai_is_clk_master(rdai) ((rdai)->clk_master)
545 #define rsnd_rdai_to_priv(rdai) ((rdai)->priv)
546 #define for_each_rsnd_dai(rdai, priv, i)		\
547 	for (i = 0;					\
548 	     (i < rsnd_rdai_nr(priv)) &&		\
549 	     ((rdai) = rsnd_rdai_get(priv, i));		\
550 	     i++)
551 
552 struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id);
553 
554 #define rsnd_rdai_channels_set(rdai, max_channels) \
555 	rsnd_rdai_channels_ctrl(rdai, max_channels)
556 #define rsnd_rdai_channels_get(rdai) \
557 	rsnd_rdai_channels_ctrl(rdai, 0)
558 int rsnd_rdai_channels_ctrl(struct rsnd_dai *rdai,
559 			    int max_channels);
560 
561 #define rsnd_rdai_ssi_lane_set(rdai, ssi_lane) \
562 	rsnd_rdai_ssi_lane_ctrl(rdai, ssi_lane)
563 #define rsnd_rdai_ssi_lane_get(rdai) \
564 	rsnd_rdai_ssi_lane_ctrl(rdai, 0)
565 int rsnd_rdai_ssi_lane_ctrl(struct rsnd_dai *rdai,
566 			    int ssi_lane);
567 
568 #define rsnd_rdai_width_set(rdai, width) \
569 	rsnd_rdai_width_ctrl(rdai, width)
570 #define rsnd_rdai_width_get(rdai) \
571 	rsnd_rdai_width_ctrl(rdai, 0)
572 int rsnd_rdai_width_ctrl(struct rsnd_dai *rdai, int width);
573 void rsnd_dai_period_elapsed(struct rsnd_dai_stream *io);
574 int rsnd_dai_connect(struct rsnd_mod *mod,
575 		     struct rsnd_dai_stream *io,
576 		     enum rsnd_mod_type type);
577 
578 /*
579  *	R-Car Gen1/Gen2
580  */
581 int rsnd_gen_probe(struct rsnd_priv *priv);
582 void __iomem *rsnd_gen_reg_get(struct rsnd_priv *priv,
583 			       struct rsnd_mod *mod,
584 			       enum rsnd_reg reg);
585 phys_addr_t rsnd_gen_get_phy_addr(struct rsnd_priv *priv, int reg_id);
586 
587 /*
588  *	R-Car ADG
589  */
590 int rsnd_adg_clk_query(struct rsnd_priv *priv, unsigned int rate);
591 int rsnd_adg_ssi_clk_stop(struct rsnd_mod *mod);
592 int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *mod, unsigned int rate);
593 int rsnd_adg_probe(struct rsnd_priv *priv);
594 void rsnd_adg_remove(struct rsnd_priv *priv);
595 int rsnd_adg_set_src_timesel_gen2(struct rsnd_mod *src_mod,
596 				  struct rsnd_dai_stream *io,
597 				  unsigned int in_rate,
598 				  unsigned int out_rate);
599 int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_mod *mod,
600 				 struct rsnd_dai_stream *io);
601 #define rsnd_adg_clk_enable(priv)	rsnd_adg_clk_control(priv, 1)
602 #define rsnd_adg_clk_disable(priv)	rsnd_adg_clk_control(priv, 0)
603 void rsnd_adg_clk_control(struct rsnd_priv *priv, int enable);
604 
605 /*
606  *	R-Car sound priv
607  */
608 struct rsnd_priv {
609 
610 	struct platform_device *pdev;
611 	spinlock_t lock;
612 	unsigned long flags;
613 #define RSND_GEN_MASK	(0xF << 0)
614 #define RSND_GEN1	(1 << 0)
615 #define RSND_GEN2	(2 << 0)
616 #define RSND_GEN3	(3 << 0)
617 #define RSND_SOC_MASK	(0xFF << 4)
618 #define RSND_SOC_E	(1 << 4) /* E1/E2/E3 */
619 
620 	/*
621 	 * below value will be filled on rsnd_gen_probe()
622 	 */
623 	void *gen;
624 
625 	/*
626 	 * below value will be filled on rsnd_adg_probe()
627 	 */
628 	void *adg;
629 
630 	/*
631 	 * below value will be filled on rsnd_dma_probe()
632 	 */
633 	void *dma;
634 
635 	/*
636 	 * below value will be filled on rsnd_ssi_probe()
637 	 */
638 	void *ssi;
639 	int ssi_nr;
640 
641 	/*
642 	 * below value will be filled on rsnd_ssiu_probe()
643 	 */
644 	void *ssiu;
645 	int ssiu_nr;
646 
647 	/*
648 	 * below value will be filled on rsnd_src_probe()
649 	 */
650 	void *src;
651 	int src_nr;
652 
653 	/*
654 	 * below value will be filled on rsnd_ctu_probe()
655 	 */
656 	void *ctu;
657 	int ctu_nr;
658 
659 	/*
660 	 * below value will be filled on rsnd_mix_probe()
661 	 */
662 	void *mix;
663 	int mix_nr;
664 
665 	/*
666 	 * below value will be filled on rsnd_dvc_probe()
667 	 */
668 	void *dvc;
669 	int dvc_nr;
670 
671 	/*
672 	 * below value will be filled on rsnd_cmd_probe()
673 	 */
674 	void *cmd;
675 	int cmd_nr;
676 
677 	/*
678 	 * below value will be filled on rsnd_dai_probe()
679 	 */
680 	struct snd_soc_dai_driver *daidrv;
681 	struct rsnd_dai *rdai;
682 	int rdai_nr;
683 };
684 
685 #define rsnd_priv_to_pdev(priv)	((priv)->pdev)
686 #define rsnd_priv_to_dev(priv)	(&(rsnd_priv_to_pdev(priv)->dev))
687 
688 #define rsnd_is_gen1(priv)	(((priv)->flags & RSND_GEN_MASK) == RSND_GEN1)
689 #define rsnd_is_gen2(priv)	(((priv)->flags & RSND_GEN_MASK) == RSND_GEN2)
690 #define rsnd_is_gen3(priv)	(((priv)->flags & RSND_GEN_MASK) == RSND_GEN3)
691 #define rsnd_is_e3(priv)	(((priv)->flags & \
692 					(RSND_GEN_MASK | RSND_SOC_MASK)) == \
693 					(RSND_GEN3 | RSND_SOC_E))
694 
695 #define rsnd_flags_has(p, f) ((p)->flags & (f))
696 #define rsnd_flags_set(p, f) ((p)->flags |= (f))
697 #define rsnd_flags_del(p, f) ((p)->flags &= ~(f))
698 
699 /*
700  *	rsnd_kctrl
701  */
702 struct rsnd_kctrl_cfg {
703 	unsigned int max;
704 	unsigned int size;
705 	u32 *val;
706 	const char * const *texts;
707 	int (*accept)(struct rsnd_dai_stream *io);
708 	void (*update)(struct rsnd_dai_stream *io, struct rsnd_mod *mod);
709 	struct rsnd_dai_stream *io;
710 	struct snd_card *card;
711 	struct snd_kcontrol *kctrl;
712 	struct rsnd_mod *mod;
713 };
714 
715 #define RSND_MAX_CHANNELS	8
716 struct rsnd_kctrl_cfg_m {
717 	struct rsnd_kctrl_cfg cfg;
718 	u32 val[RSND_MAX_CHANNELS];
719 };
720 
721 struct rsnd_kctrl_cfg_s {
722 	struct rsnd_kctrl_cfg cfg;
723 	u32 val;
724 };
725 #define rsnd_kctrl_size(x)	((x).cfg.size)
726 #define rsnd_kctrl_max(x)	((x).cfg.max)
727 #define rsnd_kctrl_valm(x, i)	((x).val[i])	/* = (x).cfg.val[i] */
728 #define rsnd_kctrl_vals(x)	((x).val)	/* = (x).cfg.val[0] */
729 
730 int rsnd_kctrl_accept_anytime(struct rsnd_dai_stream *io);
731 int rsnd_kctrl_accept_runtime(struct rsnd_dai_stream *io);
732 struct rsnd_kctrl_cfg *rsnd_kctrl_init_m(struct rsnd_kctrl_cfg_m *cfg);
733 struct rsnd_kctrl_cfg *rsnd_kctrl_init_s(struct rsnd_kctrl_cfg_s *cfg);
734 int rsnd_kctrl_new(struct rsnd_mod *mod,
735 		   struct rsnd_dai_stream *io,
736 		   struct snd_soc_pcm_runtime *rtd,
737 		   const unsigned char *name,
738 		   int (*accept)(struct rsnd_dai_stream *io),
739 		   void (*update)(struct rsnd_dai_stream *io,
740 				  struct rsnd_mod *mod),
741 		   struct rsnd_kctrl_cfg *cfg,
742 		   const char * const *texts,
743 		   int size,
744 		   u32 max);
745 
746 #define rsnd_kctrl_new_m(mod, io, rtd, name, accept, update, cfg, size, max) \
747 	rsnd_kctrl_new(mod, io, rtd, name, accept, update, rsnd_kctrl_init_m(cfg), \
748 		       NULL, size, max)
749 
750 #define rsnd_kctrl_new_s(mod, io, rtd, name, accept, update, cfg, max)	\
751 	rsnd_kctrl_new(mod, io, rtd, name, accept, update, rsnd_kctrl_init_s(cfg), \
752 		       NULL, 1, max)
753 
754 #define rsnd_kctrl_new_e(mod, io, rtd, name, accept, update, cfg, texts, size) \
755 	rsnd_kctrl_new(mod, io, rtd, name, accept, update, rsnd_kctrl_init_s(cfg), \
756 		       texts, 1, size)
757 
758 extern const char * const volume_ramp_rate[];
759 #define VOLUME_RAMP_MAX_DVC	(0x17 + 1)
760 #define VOLUME_RAMP_MAX_MIX	(0x0a + 1)
761 
762 /*
763  *	R-Car SSI
764  */
765 int rsnd_ssi_probe(struct rsnd_priv *priv);
766 void rsnd_ssi_remove(struct rsnd_priv *priv);
767 struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id);
768 int rsnd_ssi_use_busif(struct rsnd_dai_stream *io);
769 u32 rsnd_ssi_multi_slaves_runtime(struct rsnd_dai_stream *io);
770 
771 #define rsnd_ssi_is_pin_sharing(io)	\
772 	__rsnd_ssi_is_pin_sharing(rsnd_io_to_mod_ssi(io))
773 int __rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod);
774 
775 #define rsnd_ssi_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_SSI)
776 void rsnd_parse_connect_ssi(struct rsnd_dai *rdai,
777 			    struct device_node *playback,
778 			    struct device_node *capture);
779 unsigned int rsnd_ssi_clk_query(struct rsnd_dai *rdai,
780 		       int param1, int param2, int *idx);
781 
782 /*
783  *	R-Car SSIU
784  */
785 int rsnd_ssiu_attach(struct rsnd_dai_stream *io,
786 		     struct rsnd_mod *mod);
787 int rsnd_ssiu_probe(struct rsnd_priv *priv);
788 void rsnd_ssiu_remove(struct rsnd_priv *priv);
789 void rsnd_parse_connect_ssiu(struct rsnd_dai *rdai,
790 			     struct device_node *playback,
791 			     struct device_node *capture);
792 #define rsnd_ssiu_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_SSIU)
793 
794 /*
795  *	R-Car SRC
796  */
797 int rsnd_src_probe(struct rsnd_priv *priv);
798 void rsnd_src_remove(struct rsnd_priv *priv);
799 struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id);
800 
801 #define rsnd_src_get_in_rate(priv, io) rsnd_src_get_rate(priv, io, 1)
802 #define rsnd_src_get_out_rate(priv, io) rsnd_src_get_rate(priv, io, 0)
803 unsigned int rsnd_src_get_rate(struct rsnd_priv *priv,
804 			       struct rsnd_dai_stream *io,
805 			       int is_in);
806 
807 #define rsnd_src_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_SRC)
808 #define rsnd_parse_connect_src(rdai, playback, capture)			\
809 	rsnd_parse_connect_common(rdai, rsnd_src_mod_get,		\
810 				  rsnd_src_of_node(rsnd_rdai_to_priv(rdai)), \
811 						   playback, capture)
812 
813 /*
814  *	R-Car CTU
815  */
816 int rsnd_ctu_probe(struct rsnd_priv *priv);
817 void rsnd_ctu_remove(struct rsnd_priv *priv);
818 struct rsnd_mod *rsnd_ctu_mod_get(struct rsnd_priv *priv, int id);
819 #define rsnd_ctu_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_CTU)
820 #define rsnd_parse_connect_ctu(rdai, playback, capture)			\
821 	rsnd_parse_connect_common(rdai, rsnd_ctu_mod_get,		\
822 				  rsnd_ctu_of_node(rsnd_rdai_to_priv(rdai)), \
823 						   playback, capture)
824 
825 /*
826  *	R-Car MIX
827  */
828 int rsnd_mix_probe(struct rsnd_priv *priv);
829 void rsnd_mix_remove(struct rsnd_priv *priv);
830 struct rsnd_mod *rsnd_mix_mod_get(struct rsnd_priv *priv, int id);
831 #define rsnd_mix_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_MIX)
832 #define rsnd_parse_connect_mix(rdai, playback, capture)			\
833 	rsnd_parse_connect_common(rdai, rsnd_mix_mod_get,		\
834 				  rsnd_mix_of_node(rsnd_rdai_to_priv(rdai)), \
835 						   playback, capture)
836 
837 /*
838  *	R-Car DVC
839  */
840 int rsnd_dvc_probe(struct rsnd_priv *priv);
841 void rsnd_dvc_remove(struct rsnd_priv *priv);
842 struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id);
843 #define rsnd_dvc_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_DVC)
844 #define rsnd_parse_connect_dvc(rdai, playback, capture)			\
845 	rsnd_parse_connect_common(rdai, rsnd_dvc_mod_get,		\
846 				  rsnd_dvc_of_node(rsnd_rdai_to_priv(rdai)), \
847 						   playback, capture)
848 
849 /*
850  *	R-Car CMD
851  */
852 int rsnd_cmd_probe(struct rsnd_priv *priv);
853 void rsnd_cmd_remove(struct rsnd_priv *priv);
854 int rsnd_cmd_attach(struct rsnd_dai_stream *io, int id);
855 
856 void rsnd_mod_make_sure(struct rsnd_mod *mod, enum rsnd_mod_type type);
857 #ifdef DEBUG
858 #define rsnd_mod_confirm_ssi(mssi)	rsnd_mod_make_sure(mssi, RSND_MOD_SSI)
859 #define rsnd_mod_confirm_src(msrc)	rsnd_mod_make_sure(msrc, RSND_MOD_SRC)
860 #define rsnd_mod_confirm_dvc(mdvc)	rsnd_mod_make_sure(mdvc, RSND_MOD_DVC)
861 #else
862 #define rsnd_mod_confirm_ssi(mssi)
863 #define rsnd_mod_confirm_src(msrc)
864 #define rsnd_mod_confirm_dvc(mdvc)
865 #endif
866 
867 /*
868  * If you don't need interrupt status debug message,
869  * define RSND_DEBUG_NO_IRQ_STATUS as 1 on top of src.c/ssi.c
870  *
871  * #define RSND_DEBUG_NO_IRQ_STATUS 1
872  */
873 #define rsnd_dbg_irq_status(dev, param...)		\
874 	if (!IS_BUILTIN(RSND_DEBUG_NO_IRQ_STATUS))	\
875 		dev_dbg(dev, param)
876 
877 /*
878  * If you don't need rsnd_dai_call debug message,
879  * define RSND_DEBUG_NO_DAI_CALL as 1 on top of core.c
880  *
881  * #define RSND_DEBUG_NO_DAI_CALL 1
882  */
883 #define rsnd_dbg_dai_call(dev, param...)		\
884 	if (!IS_BUILTIN(RSND_DEBUG_NO_DAI_CALL))	\
885 		dev_dbg(dev, param)
886 
887 #endif
888