xref: /openbmc/linux/sound/soc/sh/rcar/rsnd.h (revision 2874c5fd)
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 	u32 *(*get_status)(struct rsnd_mod *mod,
331 			   struct rsnd_dai_stream *io,
332 			   enum rsnd_mod_type type);
333 	int (*id)(struct rsnd_mod *mod);
334 	int (*id_sub)(struct rsnd_mod *mod);
335 	int (*id_cmd)(struct rsnd_mod *mod);
336 };
337 
338 struct rsnd_dai_stream;
339 struct rsnd_mod {
340 	int id;
341 	enum rsnd_mod_type type;
342 	struct rsnd_mod_ops *ops;
343 	struct rsnd_priv *priv;
344 	struct clk *clk;
345 	u32 status;
346 };
347 /*
348  * status
349  *
350  * 0xH0000CB0
351  *
352  * B	0: init		1: quit
353  * C	0: start	1: stop
354  *
355  * H is always called (see __rsnd_mod_call)
356  * H	0: probe	1: remove
357  * H	0: pcm_new
358  * H	0: fallback
359  * H	0: hw_params
360  * H	0: pointer
361  * H	0: prepare
362  * H	0: cleanup
363  */
364 #define __rsnd_mod_shift_init		4
365 #define __rsnd_mod_shift_quit		4
366 #define __rsnd_mod_shift_start		8
367 #define __rsnd_mod_shift_stop		8
368 #define __rsnd_mod_shift_probe		28 /* always called */
369 #define __rsnd_mod_shift_remove		28 /* always called */
370 #define __rsnd_mod_shift_irq		28 /* always called */
371 #define __rsnd_mod_shift_pcm_new	28 /* always called */
372 #define __rsnd_mod_shift_fallback	28 /* always called */
373 #define __rsnd_mod_shift_hw_params	28 /* always called */
374 #define __rsnd_mod_shift_pointer	28 /* always called */
375 #define __rsnd_mod_shift_prepare	28 /* always called */
376 #define __rsnd_mod_shift_cleanup	28 /* always called */
377 
378 #define __rsnd_mod_add_probe		0
379 #define __rsnd_mod_add_remove		0
380 #define __rsnd_mod_add_prepare		0
381 #define __rsnd_mod_add_cleanup		0
382 #define __rsnd_mod_add_init		 1
383 #define __rsnd_mod_add_quit		-1
384 #define __rsnd_mod_add_start		 1
385 #define __rsnd_mod_add_stop		-1
386 #define __rsnd_mod_add_irq		0
387 #define __rsnd_mod_add_pcm_new		0
388 #define __rsnd_mod_add_fallback		0
389 #define __rsnd_mod_add_hw_params	0
390 #define __rsnd_mod_add_pointer		0
391 
392 #define __rsnd_mod_call_probe		0
393 #define __rsnd_mod_call_remove		0
394 #define __rsnd_mod_call_prepare		0
395 #define __rsnd_mod_call_cleanup		0
396 #define __rsnd_mod_call_init		0
397 #define __rsnd_mod_call_quit		1
398 #define __rsnd_mod_call_start		0
399 #define __rsnd_mod_call_stop		1
400 #define __rsnd_mod_call_irq		0
401 #define __rsnd_mod_call_pcm_new		0
402 #define __rsnd_mod_call_fallback	0
403 #define __rsnd_mod_call_hw_params	0
404 #define __rsnd_mod_call_pointer		0
405 
406 #define rsnd_mod_to_priv(mod)	((mod)->priv)
407 #define rsnd_mod_power_on(mod)	clk_enable((mod)->clk)
408 #define rsnd_mod_power_off(mod)	clk_disable((mod)->clk)
409 #define rsnd_mod_get(ip)	(&(ip)->mod)
410 
411 int rsnd_mod_init(struct rsnd_priv *priv,
412 		  struct rsnd_mod *mod,
413 		  struct rsnd_mod_ops *ops,
414 		  struct clk *clk,
415 		  enum rsnd_mod_type type,
416 		  int id);
417 void rsnd_mod_quit(struct rsnd_mod *mod);
418 struct dma_chan *rsnd_mod_dma_req(struct rsnd_dai_stream *io,
419 				  struct rsnd_mod *mod);
420 void rsnd_mod_interrupt(struct rsnd_mod *mod,
421 			void (*callback)(struct rsnd_mod *mod,
422 					 struct rsnd_dai_stream *io));
423 u32 *rsnd_mod_get_status(struct rsnd_mod *mod,
424 			 struct rsnd_dai_stream *io,
425 			 enum rsnd_mod_type type);
426 int rsnd_mod_id(struct rsnd_mod *mod);
427 int rsnd_mod_id_raw(struct rsnd_mod *mod);
428 int rsnd_mod_id_sub(struct rsnd_mod *mod);
429 char *rsnd_mod_name(struct rsnd_mod *mod);
430 struct rsnd_mod *rsnd_mod_next(int *iterator,
431 			       struct rsnd_dai_stream *io,
432 			       enum rsnd_mod_type *array,
433 			       int array_size);
434 #define for_each_rsnd_mod(iterator, pos, io)				\
435 	for (iterator = 0;						\
436 	     (pos = rsnd_mod_next(&iterator, io, NULL, 0)); iterator++)
437 #define for_each_rsnd_mod_arrays(iterator, pos, io, array, size)	\
438 	for (iterator = 0;						\
439 	     (pos = rsnd_mod_next(&iterator, io, array, size)); iterator++)
440 #define for_each_rsnd_mod_array(iterator, pos, io, array)		\
441 	for_each_rsnd_mod_arrays(iterator, pos, io, array, ARRAY_SIZE(array))
442 
443 void rsnd_parse_connect_common(struct rsnd_dai *rdai,
444 		struct rsnd_mod* (*mod_get)(struct rsnd_priv *priv, int id),
445 		struct device_node *node,
446 		struct device_node *playback,
447 		struct device_node *capture);
448 
449 int rsnd_channel_normalization(int chan);
450 #define rsnd_runtime_channel_original(io) \
451 	rsnd_runtime_channel_original_with_params(io, NULL)
452 int rsnd_runtime_channel_original_with_params(struct rsnd_dai_stream *io,
453 				struct snd_pcm_hw_params *params);
454 #define rsnd_runtime_channel_after_ctu(io)			\
455 	rsnd_runtime_channel_after_ctu_with_params(io, NULL)
456 int rsnd_runtime_channel_after_ctu_with_params(struct rsnd_dai_stream *io,
457 				struct snd_pcm_hw_params *params);
458 #define rsnd_runtime_channel_for_ssi(io) \
459 	rsnd_runtime_channel_for_ssi_with_params(io, NULL)
460 int rsnd_runtime_channel_for_ssi_with_params(struct rsnd_dai_stream *io,
461 				 struct snd_pcm_hw_params *params);
462 int rsnd_runtime_is_multi_ssi(struct rsnd_dai_stream *io);
463 int rsnd_runtime_is_tdm(struct rsnd_dai_stream *io);
464 int rsnd_runtime_is_tdm_split(struct rsnd_dai_stream *io);
465 
466 /*
467  * DT
468  */
469 #define rsnd_parse_of_node(priv, node)					\
470 	of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, node)
471 #define RSND_NODE_DAI	"rcar_sound,dai"
472 #define RSND_NODE_SSI	"rcar_sound,ssi"
473 #define RSND_NODE_SSIU	"rcar_sound,ssiu"
474 #define RSND_NODE_SRC	"rcar_sound,src"
475 #define RSND_NODE_CTU	"rcar_sound,ctu"
476 #define RSND_NODE_MIX	"rcar_sound,mix"
477 #define RSND_NODE_DVC	"rcar_sound,dvc"
478 
479 /*
480  *	R-Car sound DAI
481  */
482 #define RSND_DAI_NAME_SIZE	16
483 struct rsnd_dai_stream {
484 	char name[RSND_DAI_NAME_SIZE];
485 	struct snd_pcm_substream *substream;
486 	struct rsnd_mod *mod[RSND_MOD_MAX];
487 	struct rsnd_mod *dma;
488 	struct rsnd_dai *rdai;
489 	struct device *dmac_dev; /* for IPMMU */
490 	u32 converted_rate;      /* converted sampling rate */
491 	int converted_chan;      /* converted channels */
492 	u32 parent_ssi_status;
493 	u32 flags;
494 };
495 
496 /* flags */
497 #define RSND_STREAM_HDMI0	(1 << 0) /* for HDMI0 */
498 #define RSND_STREAM_HDMI1	(1 << 1) /* for HDMI1 */
499 #define RSND_STREAM_TDM_SPLIT	(1 << 2) /* for TDM split mode */
500 
501 #define rsnd_io_to_mod(io, i)	((i) < RSND_MOD_MAX ? (io)->mod[(i)] : NULL)
502 #define rsnd_io_to_mod_ssi(io)	rsnd_io_to_mod((io), RSND_MOD_SSI)
503 #define rsnd_io_to_mod_ssiu(io)	rsnd_io_to_mod((io), RSND_MOD_SSIU)
504 #define rsnd_io_to_mod_ssip(io)	rsnd_io_to_mod((io), RSND_MOD_SSIP)
505 #define rsnd_io_to_mod_src(io)	rsnd_io_to_mod((io), RSND_MOD_SRC)
506 #define rsnd_io_to_mod_ctu(io)	rsnd_io_to_mod((io), RSND_MOD_CTU)
507 #define rsnd_io_to_mod_mix(io)	rsnd_io_to_mod((io), RSND_MOD_MIX)
508 #define rsnd_io_to_mod_dvc(io)	rsnd_io_to_mod((io), RSND_MOD_DVC)
509 #define rsnd_io_to_mod_cmd(io)	rsnd_io_to_mod((io), RSND_MOD_CMD)
510 #define rsnd_io_to_rdai(io)	((io)->rdai)
511 #define rsnd_io_to_priv(io)	(rsnd_rdai_to_priv(rsnd_io_to_rdai(io)))
512 #define rsnd_io_is_play(io)	(&rsnd_io_to_rdai(io)->playback == io)
513 #define rsnd_io_to_runtime(io) ((io)->substream ? \
514 				(io)->substream->runtime : NULL)
515 #define rsnd_io_converted_rate(io)	((io)->converted_rate)
516 #define rsnd_io_converted_chan(io)	((io)->converted_chan)
517 int rsnd_io_is_working(struct rsnd_dai_stream *io);
518 
519 struct rsnd_dai {
520 	char name[RSND_DAI_NAME_SIZE];
521 	struct rsnd_dai_stream playback;
522 	struct rsnd_dai_stream capture;
523 	struct rsnd_priv *priv;
524 	struct snd_pcm_hw_constraint_list constraint;
525 
526 	int max_channels;	/* 2ch - 16ch */
527 	int ssi_lane;		/* 1lane - 4lane */
528 	int chan_width;		/* 16/24/32 bit width */
529 
530 	unsigned int clk_master:1;
531 	unsigned int bit_clk_inv:1;
532 	unsigned int frm_clk_inv:1;
533 	unsigned int sys_delay:1;
534 	unsigned int data_alignment:1;
535 };
536 
537 #define rsnd_rdai_nr(priv) ((priv)->rdai_nr)
538 #define rsnd_rdai_is_clk_master(rdai) ((rdai)->clk_master)
539 #define rsnd_rdai_to_priv(rdai) ((rdai)->priv)
540 #define for_each_rsnd_dai(rdai, priv, i)		\
541 	for (i = 0;					\
542 	     (i < rsnd_rdai_nr(priv)) &&		\
543 	     ((rdai) = rsnd_rdai_get(priv, i));		\
544 	     i++)
545 
546 struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id);
547 
548 #define rsnd_rdai_channels_set(rdai, max_channels) \
549 	rsnd_rdai_channels_ctrl(rdai, max_channels)
550 #define rsnd_rdai_channels_get(rdai) \
551 	rsnd_rdai_channels_ctrl(rdai, 0)
552 int rsnd_rdai_channels_ctrl(struct rsnd_dai *rdai,
553 			    int max_channels);
554 
555 #define rsnd_rdai_ssi_lane_set(rdai, ssi_lane) \
556 	rsnd_rdai_ssi_lane_ctrl(rdai, ssi_lane)
557 #define rsnd_rdai_ssi_lane_get(rdai) \
558 	rsnd_rdai_ssi_lane_ctrl(rdai, 0)
559 int rsnd_rdai_ssi_lane_ctrl(struct rsnd_dai *rdai,
560 			    int ssi_lane);
561 
562 #define rsnd_rdai_width_set(rdai, width) \
563 	rsnd_rdai_width_ctrl(rdai, width)
564 #define rsnd_rdai_width_get(rdai) \
565 	rsnd_rdai_width_ctrl(rdai, 0)
566 int rsnd_rdai_width_ctrl(struct rsnd_dai *rdai, int width);
567 void rsnd_dai_period_elapsed(struct rsnd_dai_stream *io);
568 int rsnd_dai_connect(struct rsnd_mod *mod,
569 		     struct rsnd_dai_stream *io,
570 		     enum rsnd_mod_type type);
571 
572 /*
573  *	R-Car Gen1/Gen2
574  */
575 int rsnd_gen_probe(struct rsnd_priv *priv);
576 void __iomem *rsnd_gen_reg_get(struct rsnd_priv *priv,
577 			       struct rsnd_mod *mod,
578 			       enum rsnd_reg reg);
579 phys_addr_t rsnd_gen_get_phy_addr(struct rsnd_priv *priv, int reg_id);
580 
581 /*
582  *	R-Car ADG
583  */
584 int rsnd_adg_clk_query(struct rsnd_priv *priv, unsigned int rate);
585 int rsnd_adg_ssi_clk_stop(struct rsnd_mod *mod);
586 int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *mod, unsigned int rate);
587 int rsnd_adg_probe(struct rsnd_priv *priv);
588 void rsnd_adg_remove(struct rsnd_priv *priv);
589 int rsnd_adg_set_src_timesel_gen2(struct rsnd_mod *src_mod,
590 				  struct rsnd_dai_stream *io,
591 				  unsigned int in_rate,
592 				  unsigned int out_rate);
593 int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_mod *mod,
594 				 struct rsnd_dai_stream *io);
595 #define rsnd_adg_clk_enable(priv)	rsnd_adg_clk_control(priv, 1)
596 #define rsnd_adg_clk_disable(priv)	rsnd_adg_clk_control(priv, 0)
597 void rsnd_adg_clk_control(struct rsnd_priv *priv, int enable);
598 
599 /*
600  *	R-Car sound priv
601  */
602 struct rsnd_priv {
603 
604 	struct platform_device *pdev;
605 	spinlock_t lock;
606 	unsigned long flags;
607 #define RSND_GEN_MASK	(0xF << 0)
608 #define RSND_GEN1	(1 << 0)
609 #define RSND_GEN2	(2 << 0)
610 #define RSND_GEN3	(3 << 0)
611 #define RSND_SOC_MASK	(0xFF << 4)
612 #define RSND_SOC_E	(1 << 4) /* E1/E2/E3 */
613 
614 	/*
615 	 * below value will be filled on rsnd_gen_probe()
616 	 */
617 	void *gen;
618 
619 	/*
620 	 * below value will be filled on rsnd_adg_probe()
621 	 */
622 	void *adg;
623 
624 	/*
625 	 * below value will be filled on rsnd_dma_probe()
626 	 */
627 	void *dma;
628 
629 	/*
630 	 * below value will be filled on rsnd_ssi_probe()
631 	 */
632 	void *ssi;
633 	int ssi_nr;
634 
635 	/*
636 	 * below value will be filled on rsnd_ssiu_probe()
637 	 */
638 	void *ssiu;
639 	int ssiu_nr;
640 
641 	/*
642 	 * below value will be filled on rsnd_src_probe()
643 	 */
644 	void *src;
645 	int src_nr;
646 
647 	/*
648 	 * below value will be filled on rsnd_ctu_probe()
649 	 */
650 	void *ctu;
651 	int ctu_nr;
652 
653 	/*
654 	 * below value will be filled on rsnd_mix_probe()
655 	 */
656 	void *mix;
657 	int mix_nr;
658 
659 	/*
660 	 * below value will be filled on rsnd_dvc_probe()
661 	 */
662 	void *dvc;
663 	int dvc_nr;
664 
665 	/*
666 	 * below value will be filled on rsnd_cmd_probe()
667 	 */
668 	void *cmd;
669 	int cmd_nr;
670 
671 	/*
672 	 * below value will be filled on rsnd_dai_probe()
673 	 */
674 	struct snd_soc_dai_driver *daidrv;
675 	struct rsnd_dai *rdai;
676 	int rdai_nr;
677 };
678 
679 #define rsnd_priv_to_pdev(priv)	((priv)->pdev)
680 #define rsnd_priv_to_dev(priv)	(&(rsnd_priv_to_pdev(priv)->dev))
681 
682 #define rsnd_is_gen1(priv)	(((priv)->flags & RSND_GEN_MASK) == RSND_GEN1)
683 #define rsnd_is_gen2(priv)	(((priv)->flags & RSND_GEN_MASK) == RSND_GEN2)
684 #define rsnd_is_gen3(priv)	(((priv)->flags & RSND_GEN_MASK) == RSND_GEN3)
685 #define rsnd_is_e3(priv)	(((priv)->flags & \
686 					(RSND_GEN_MASK | RSND_SOC_MASK)) == \
687 					(RSND_GEN3 | RSND_SOC_E))
688 
689 #define rsnd_flags_has(p, f) ((p)->flags & (f))
690 #define rsnd_flags_set(p, f) ((p)->flags |= (f))
691 #define rsnd_flags_del(p, f) ((p)->flags &= ~(f))
692 
693 /*
694  *	rsnd_kctrl
695  */
696 struct rsnd_kctrl_cfg {
697 	unsigned int max;
698 	unsigned int size;
699 	u32 *val;
700 	const char * const *texts;
701 	int (*accept)(struct rsnd_dai_stream *io);
702 	void (*update)(struct rsnd_dai_stream *io, struct rsnd_mod *mod);
703 	struct rsnd_dai_stream *io;
704 	struct snd_card *card;
705 	struct snd_kcontrol *kctrl;
706 	struct rsnd_mod *mod;
707 };
708 
709 #define RSND_MAX_CHANNELS	8
710 struct rsnd_kctrl_cfg_m {
711 	struct rsnd_kctrl_cfg cfg;
712 	u32 val[RSND_MAX_CHANNELS];
713 };
714 
715 struct rsnd_kctrl_cfg_s {
716 	struct rsnd_kctrl_cfg cfg;
717 	u32 val;
718 };
719 #define rsnd_kctrl_size(x)	((x).cfg.size)
720 #define rsnd_kctrl_max(x)	((x).cfg.max)
721 #define rsnd_kctrl_valm(x, i)	((x).val[i])	/* = (x).cfg.val[i] */
722 #define rsnd_kctrl_vals(x)	((x).val)	/* = (x).cfg.val[0] */
723 
724 int rsnd_kctrl_accept_anytime(struct rsnd_dai_stream *io);
725 int rsnd_kctrl_accept_runtime(struct rsnd_dai_stream *io);
726 struct rsnd_kctrl_cfg *rsnd_kctrl_init_m(struct rsnd_kctrl_cfg_m *cfg);
727 struct rsnd_kctrl_cfg *rsnd_kctrl_init_s(struct rsnd_kctrl_cfg_s *cfg);
728 int rsnd_kctrl_new(struct rsnd_mod *mod,
729 		   struct rsnd_dai_stream *io,
730 		   struct snd_soc_pcm_runtime *rtd,
731 		   const unsigned char *name,
732 		   int (*accept)(struct rsnd_dai_stream *io),
733 		   void (*update)(struct rsnd_dai_stream *io,
734 				  struct rsnd_mod *mod),
735 		   struct rsnd_kctrl_cfg *cfg,
736 		   const char * const *texts,
737 		   int size,
738 		   u32 max);
739 
740 #define rsnd_kctrl_new_m(mod, io, rtd, name, accept, update, cfg, size, max) \
741 	rsnd_kctrl_new(mod, io, rtd, name, accept, update, rsnd_kctrl_init_m(cfg), \
742 		       NULL, size, max)
743 
744 #define rsnd_kctrl_new_s(mod, io, rtd, name, accept, update, cfg, max)	\
745 	rsnd_kctrl_new(mod, io, rtd, name, accept, update, rsnd_kctrl_init_s(cfg), \
746 		       NULL, 1, max)
747 
748 #define rsnd_kctrl_new_e(mod, io, rtd, name, accept, update, cfg, texts, size) \
749 	rsnd_kctrl_new(mod, io, rtd, name, accept, update, rsnd_kctrl_init_s(cfg), \
750 		       texts, 1, size)
751 
752 extern const char * const volume_ramp_rate[];
753 #define VOLUME_RAMP_MAX_DVC	(0x17 + 1)
754 #define VOLUME_RAMP_MAX_MIX	(0x0a + 1)
755 
756 /*
757  *	R-Car SSI
758  */
759 int rsnd_ssi_probe(struct rsnd_priv *priv);
760 void rsnd_ssi_remove(struct rsnd_priv *priv);
761 struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id);
762 int rsnd_ssi_use_busif(struct rsnd_dai_stream *io);
763 u32 rsnd_ssi_multi_slaves_runtime(struct rsnd_dai_stream *io);
764 
765 #define rsnd_ssi_is_pin_sharing(io)	\
766 	__rsnd_ssi_is_pin_sharing(rsnd_io_to_mod_ssi(io))
767 int __rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod);
768 
769 #define rsnd_ssi_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_SSI)
770 void rsnd_parse_connect_ssi(struct rsnd_dai *rdai,
771 			    struct device_node *playback,
772 			    struct device_node *capture);
773 unsigned int rsnd_ssi_clk_query(struct rsnd_dai *rdai,
774 		       int param1, int param2, int *idx);
775 
776 /*
777  *	R-Car SSIU
778  */
779 int rsnd_ssiu_attach(struct rsnd_dai_stream *io,
780 		     struct rsnd_mod *mod);
781 int rsnd_ssiu_probe(struct rsnd_priv *priv);
782 void rsnd_ssiu_remove(struct rsnd_priv *priv);
783 void rsnd_parse_connect_ssiu(struct rsnd_dai *rdai,
784 			     struct device_node *playback,
785 			     struct device_node *capture);
786 #define rsnd_ssiu_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_SSIU)
787 
788 /*
789  *	R-Car SRC
790  */
791 int rsnd_src_probe(struct rsnd_priv *priv);
792 void rsnd_src_remove(struct rsnd_priv *priv);
793 struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id);
794 
795 #define rsnd_src_get_in_rate(priv, io) rsnd_src_get_rate(priv, io, 1)
796 #define rsnd_src_get_out_rate(priv, io) rsnd_src_get_rate(priv, io, 0)
797 unsigned int rsnd_src_get_rate(struct rsnd_priv *priv,
798 			       struct rsnd_dai_stream *io,
799 			       int is_in);
800 
801 #define rsnd_src_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_SRC)
802 #define rsnd_parse_connect_src(rdai, playback, capture)			\
803 	rsnd_parse_connect_common(rdai, rsnd_src_mod_get,		\
804 				  rsnd_src_of_node(rsnd_rdai_to_priv(rdai)), \
805 						   playback, capture)
806 
807 /*
808  *	R-Car CTU
809  */
810 int rsnd_ctu_probe(struct rsnd_priv *priv);
811 void rsnd_ctu_remove(struct rsnd_priv *priv);
812 struct rsnd_mod *rsnd_ctu_mod_get(struct rsnd_priv *priv, int id);
813 #define rsnd_ctu_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_CTU)
814 #define rsnd_parse_connect_ctu(rdai, playback, capture)			\
815 	rsnd_parse_connect_common(rdai, rsnd_ctu_mod_get,		\
816 				  rsnd_ctu_of_node(rsnd_rdai_to_priv(rdai)), \
817 						   playback, capture)
818 
819 /*
820  *	R-Car MIX
821  */
822 int rsnd_mix_probe(struct rsnd_priv *priv);
823 void rsnd_mix_remove(struct rsnd_priv *priv);
824 struct rsnd_mod *rsnd_mix_mod_get(struct rsnd_priv *priv, int id);
825 #define rsnd_mix_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_MIX)
826 #define rsnd_parse_connect_mix(rdai, playback, capture)			\
827 	rsnd_parse_connect_common(rdai, rsnd_mix_mod_get,		\
828 				  rsnd_mix_of_node(rsnd_rdai_to_priv(rdai)), \
829 						   playback, capture)
830 
831 /*
832  *	R-Car DVC
833  */
834 int rsnd_dvc_probe(struct rsnd_priv *priv);
835 void rsnd_dvc_remove(struct rsnd_priv *priv);
836 struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id);
837 #define rsnd_dvc_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_DVC)
838 #define rsnd_parse_connect_dvc(rdai, playback, capture)			\
839 	rsnd_parse_connect_common(rdai, rsnd_dvc_mod_get,		\
840 				  rsnd_dvc_of_node(rsnd_rdai_to_priv(rdai)), \
841 						   playback, capture)
842 
843 /*
844  *	R-Car CMD
845  */
846 int rsnd_cmd_probe(struct rsnd_priv *priv);
847 void rsnd_cmd_remove(struct rsnd_priv *priv);
848 int rsnd_cmd_attach(struct rsnd_dai_stream *io, int id);
849 
850 void rsnd_mod_make_sure(struct rsnd_mod *mod, enum rsnd_mod_type type);
851 #ifdef DEBUG
852 #define rsnd_mod_confirm_ssi(mssi)	rsnd_mod_make_sure(mssi, RSND_MOD_SSI)
853 #define rsnd_mod_confirm_src(msrc)	rsnd_mod_make_sure(msrc, RSND_MOD_SRC)
854 #define rsnd_mod_confirm_dvc(mdvc)	rsnd_mod_make_sure(mdvc, RSND_MOD_DVC)
855 #else
856 #define rsnd_mod_confirm_ssi(mssi)
857 #define rsnd_mod_confirm_src(msrc)
858 #define rsnd_mod_confirm_dvc(mdvc)
859 #endif
860 
861 /*
862  * If you don't need interrupt status debug message,
863  * define RSND_DEBUG_NO_IRQ_STATUS as 1 on top of src.c/ssi.c
864  *
865  * #define RSND_DEBUG_NO_IRQ_STATUS 1
866  */
867 #define rsnd_dbg_irq_status(dev, param...)		\
868 	if (!IS_BUILTIN(RSND_DEBUG_NO_IRQ_STATUS))	\
869 		dev_dbg(dev, param)
870 
871 /*
872  * If you don't need rsnd_dai_call debug message,
873  * define RSND_DEBUG_NO_DAI_CALL as 1 on top of core.c
874  *
875  * #define RSND_DEBUG_NO_DAI_CALL 1
876  */
877 #define rsnd_dbg_dai_call(dev, param...)		\
878 	if (!IS_BUILTIN(RSND_DEBUG_NO_DAI_CALL))	\
879 		dev_dbg(dev, param)
880 
881 #endif
882