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 	SSI_SYS_INT_ENABLE0,
193 	SSI_SYS_INT_ENABLE1,
194 	SSI_SYS_INT_ENABLE2,
195 	SSI_SYS_INT_ENABLE3,
196 	SSI_SYS_INT_ENABLE4,
197 	SSI_SYS_INT_ENABLE5,
198 	SSI_SYS_INT_ENABLE6,
199 	SSI_SYS_INT_ENABLE7,
200 	HDMI0_SEL,
201 	HDMI1_SEL,
202 	SSI9_BUSIF0_MODE,
203 	SSI9_BUSIF1_MODE,
204 	SSI9_BUSIF2_MODE,
205 	SSI9_BUSIF3_MODE,
206 	SSI9_BUSIF4_MODE,
207 	SSI9_BUSIF5_MODE,
208 	SSI9_BUSIF6_MODE,
209 	SSI9_BUSIF7_MODE,
210 	SSI9_BUSIF0_ADINR,
211 	SSI9_BUSIF1_ADINR,
212 	SSI9_BUSIF2_ADINR,
213 	SSI9_BUSIF3_ADINR,
214 	SSI9_BUSIF4_ADINR,
215 	SSI9_BUSIF5_ADINR,
216 	SSI9_BUSIF6_ADINR,
217 	SSI9_BUSIF7_ADINR,
218 	SSI9_BUSIF0_DALIGN,
219 	SSI9_BUSIF1_DALIGN,
220 	SSI9_BUSIF2_DALIGN,
221 	SSI9_BUSIF3_DALIGN,
222 	SSI9_BUSIF4_DALIGN,
223 	SSI9_BUSIF5_DALIGN,
224 	SSI9_BUSIF6_DALIGN,
225 	SSI9_BUSIF7_DALIGN,
226 
227 	/* SSI */
228 	SSICR,
229 	SSISR,
230 	SSITDR,
231 	SSIRDR,
232 	SSIWSR,
233 
234 	REG_MAX,
235 };
236 #define SRCIN_TIMSEL(i)		(SRCIN_TIMSEL0 + (i))
237 #define SRCOUT_TIMSEL(i)	(SRCOUT_TIMSEL0 + (i))
238 #define CTU_SVxxR(i, j)		(CTU_SV00R + (i * 8) + (j))
239 #define DVC_VOLxR(i)		(DVC_VOL0R + (i))
240 #define AUDIO_CLK_SEL(i)	(AUDIO_CLK_SEL0 + (i))
241 #define SSI_BUSIF_MODE(i)	(SSI_BUSIF0_MODE + (i))
242 #define SSI_BUSIF_ADINR(i)	(SSI_BUSIF0_ADINR + (i))
243 #define SSI_BUSIF_DALIGN(i)	(SSI_BUSIF0_DALIGN + (i))
244 #define SSI9_BUSIF_MODE(i)	(SSI9_BUSIF0_MODE + (i))
245 #define SSI9_BUSIF_ADINR(i)	(SSI9_BUSIF0_ADINR + (i))
246 #define SSI9_BUSIF_DALIGN(i)	(SSI9_BUSIF0_DALIGN + (i))
247 #define SSI_SYS_STATUS(i)	(SSI_SYS_STATUS0 + (i))
248 #define SSI_SYS_INT_ENABLE(i) (SSI_SYS_INT_ENABLE0 + (i))
249 
250 
251 struct rsnd_priv;
252 struct rsnd_mod;
253 struct rsnd_dai;
254 struct rsnd_dai_stream;
255 
256 /*
257  *	R-Car basic functions
258  */
259 u32 rsnd_mod_read(struct rsnd_mod *mod, enum rsnd_reg reg);
260 void rsnd_mod_write(struct rsnd_mod *mod, enum rsnd_reg reg, u32 data);
261 void rsnd_mod_bset(struct rsnd_mod *mod, enum rsnd_reg reg, u32 mask, u32 data);
262 u32 rsnd_get_adinr_bit(struct rsnd_mod *mod, struct rsnd_dai_stream *io);
263 u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io);
264 u32 rsnd_get_busif_shift(struct rsnd_dai_stream *io, struct rsnd_mod *mod);
265 
266 /*
267  *	R-Car DMA
268  */
269 int rsnd_dma_attach(struct rsnd_dai_stream *io,
270 		    struct rsnd_mod *mod, struct rsnd_mod **dma_mod);
271 int rsnd_dma_probe(struct rsnd_priv *priv);
272 struct dma_chan *rsnd_dma_request_channel(struct device_node *of_node, char *name,
273 					  struct rsnd_mod *mod, char *x);
274 
275 /*
276  *	R-Car sound mod
277  */
278 enum rsnd_mod_type {
279 	RSND_MOD_AUDMAPP,
280 	RSND_MOD_AUDMA,
281 	RSND_MOD_DVC,
282 	RSND_MOD_MIX,
283 	RSND_MOD_CTU,
284 	RSND_MOD_CMD,
285 	RSND_MOD_SRC,
286 	RSND_MOD_SSIM3,		/* SSI multi 3 */
287 	RSND_MOD_SSIM2,		/* SSI multi 2 */
288 	RSND_MOD_SSIM1,		/* SSI multi 1 */
289 	RSND_MOD_SSIP,		/* SSI parent */
290 	RSND_MOD_SSI,
291 	RSND_MOD_SSIU,
292 	RSND_MOD_MAX,
293 };
294 
295 struct rsnd_mod_ops {
296 	char *name;
297 	struct dma_chan* (*dma_req)(struct rsnd_dai_stream *io,
298 				    struct rsnd_mod *mod);
299 	int (*probe)(struct rsnd_mod *mod,
300 		     struct rsnd_dai_stream *io,
301 		     struct rsnd_priv *priv);
302 	int (*remove)(struct rsnd_mod *mod,
303 		      struct rsnd_dai_stream *io,
304 		      struct rsnd_priv *priv);
305 	int (*init)(struct rsnd_mod *mod,
306 		    struct rsnd_dai_stream *io,
307 		    struct rsnd_priv *priv);
308 	int (*quit)(struct rsnd_mod *mod,
309 		    struct rsnd_dai_stream *io,
310 		    struct rsnd_priv *priv);
311 	int (*start)(struct rsnd_mod *mod,
312 		     struct rsnd_dai_stream *io,
313 		     struct rsnd_priv *priv);
314 	int (*stop)(struct rsnd_mod *mod,
315 		    struct rsnd_dai_stream *io,
316 		    struct rsnd_priv *priv);
317 	int (*irq)(struct rsnd_mod *mod,
318 		   struct rsnd_dai_stream *io,
319 		   struct rsnd_priv *priv, int enable);
320 	int (*pcm_new)(struct rsnd_mod *mod,
321 		       struct rsnd_dai_stream *io,
322 		       struct snd_soc_pcm_runtime *rtd);
323 	int (*hw_params)(struct rsnd_mod *mod,
324 			 struct rsnd_dai_stream *io,
325 			 struct snd_pcm_substream *substream,
326 			 struct snd_pcm_hw_params *hw_params);
327 	int (*pointer)(struct rsnd_mod *mod,
328 		       struct rsnd_dai_stream *io,
329 		       snd_pcm_uframes_t *pointer);
330 	int (*fallback)(struct rsnd_mod *mod,
331 			struct rsnd_dai_stream *io,
332 			struct rsnd_priv *priv);
333 	int (*prepare)(struct rsnd_mod *mod,
334 		       struct rsnd_dai_stream *io,
335 		       struct rsnd_priv *priv);
336 	int (*cleanup)(struct rsnd_mod *mod,
337 		       struct rsnd_dai_stream *io,
338 		       struct rsnd_priv *priv);
339 	int (*hw_free)(struct rsnd_mod *mod,
340 		       struct rsnd_dai_stream *io,
341 		       struct snd_pcm_substream *substream);
342 	u32 *(*get_status)(struct rsnd_mod *mod,
343 			   struct rsnd_dai_stream *io,
344 			   enum rsnd_mod_type type);
345 	int (*id)(struct rsnd_mod *mod);
346 	int (*id_sub)(struct rsnd_mod *mod);
347 	int (*id_cmd)(struct rsnd_mod *mod);
348 
349 #ifdef CONFIG_DEBUG_FS
350 	void (*debug_info)(struct seq_file *m,
351 			   struct rsnd_dai_stream *io, struct rsnd_mod *mod);
352 #endif
353 };
354 
355 struct rsnd_dai_stream;
356 struct rsnd_mod {
357 	int id;
358 	enum rsnd_mod_type type;
359 	struct rsnd_mod_ops *ops;
360 	struct rsnd_priv *priv;
361 	struct clk *clk;
362 	u32 status;
363 };
364 /*
365  * status
366  *
367  * 0xH000DCB0
368  *
369  * B	0: init		1: quit
370  * C	0: start	1: stop
371  * D	0: hw_params	1: hw_free
372  *
373  * H is always called (see __rsnd_mod_call)
374  */
375 #define __rsnd_mod_shift_init		4
376 #define __rsnd_mod_shift_quit		4
377 #define __rsnd_mod_shift_start		8
378 #define __rsnd_mod_shift_stop		8
379 #define __rsnd_mod_shift_hw_params	12
380 #define __rsnd_mod_shift_hw_free	12
381 #define __rsnd_mod_shift_probe		28 /* always called */
382 #define __rsnd_mod_shift_remove		28 /* always called */
383 #define __rsnd_mod_shift_irq		28 /* always called */
384 #define __rsnd_mod_shift_pcm_new	28 /* always called */
385 #define __rsnd_mod_shift_fallback	28 /* always called */
386 #define __rsnd_mod_shift_pointer	28 /* always called */
387 #define __rsnd_mod_shift_prepare	28 /* always called */
388 #define __rsnd_mod_shift_cleanup	28 /* always called */
389 
390 #define __rsnd_mod_add_probe		0
391 #define __rsnd_mod_add_remove		0
392 #define __rsnd_mod_add_prepare		0
393 #define __rsnd_mod_add_cleanup		0
394 #define __rsnd_mod_add_init		 1 /* needs protect */
395 #define __rsnd_mod_add_quit		-1 /* needs protect */
396 #define __rsnd_mod_add_start		 1 /* needs protect */
397 #define __rsnd_mod_add_stop		-1 /* needs protect */
398 #define __rsnd_mod_add_hw_params	 1 /* needs protect */
399 #define __rsnd_mod_add_hw_free		-1 /* needs protect */
400 #define __rsnd_mod_add_irq		0
401 #define __rsnd_mod_add_pcm_new		0
402 #define __rsnd_mod_add_fallback		0
403 #define __rsnd_mod_add_pointer		0
404 
405 #define __rsnd_mod_call_probe		0
406 #define __rsnd_mod_call_remove		0
407 #define __rsnd_mod_call_prepare		0
408 #define __rsnd_mod_call_cleanup		0
409 #define __rsnd_mod_call_init		0 /* needs protect */
410 #define __rsnd_mod_call_quit		1 /* needs protect */
411 #define __rsnd_mod_call_start		0 /* needs protect */
412 #define __rsnd_mod_call_stop		1 /* needs protect */
413 #define __rsnd_mod_call_hw_params	0 /* needs protect */
414 #define __rsnd_mod_call_hw_free		1 /* needs protect */
415 #define __rsnd_mod_call_irq		0
416 #define __rsnd_mod_call_pcm_new		0
417 #define __rsnd_mod_call_fallback	0
418 #define __rsnd_mod_call_pointer		0
419 
420 #define rsnd_mod_to_priv(mod)	((mod)->priv)
421 #define rsnd_mod_power_on(mod)	clk_enable((mod)->clk)
422 #define rsnd_mod_power_off(mod)	clk_disable((mod)->clk)
423 #define rsnd_mod_get(ip)	(&(ip)->mod)
424 
425 int rsnd_mod_init(struct rsnd_priv *priv,
426 		  struct rsnd_mod *mod,
427 		  struct rsnd_mod_ops *ops,
428 		  struct clk *clk,
429 		  enum rsnd_mod_type type,
430 		  int id);
431 void rsnd_mod_quit(struct rsnd_mod *mod);
432 struct dma_chan *rsnd_mod_dma_req(struct rsnd_dai_stream *io,
433 				  struct rsnd_mod *mod);
434 void rsnd_mod_interrupt(struct rsnd_mod *mod,
435 			void (*callback)(struct rsnd_mod *mod,
436 					 struct rsnd_dai_stream *io));
437 u32 *rsnd_mod_get_status(struct rsnd_mod *mod,
438 			 struct rsnd_dai_stream *io,
439 			 enum rsnd_mod_type type);
440 int rsnd_mod_id(struct rsnd_mod *mod);
441 int rsnd_mod_id_raw(struct rsnd_mod *mod);
442 int rsnd_mod_id_sub(struct rsnd_mod *mod);
443 char *rsnd_mod_name(struct rsnd_mod *mod);
444 struct rsnd_mod *rsnd_mod_next(int *iterator,
445 			       struct rsnd_dai_stream *io,
446 			       enum rsnd_mod_type *array,
447 			       int array_size);
448 #define for_each_rsnd_mod(iterator, pos, io)				\
449 	for (iterator = 0;						\
450 	     (pos = rsnd_mod_next(&iterator, io, NULL, 0)); iterator++)
451 #define for_each_rsnd_mod_arrays(iterator, pos, io, array, size)	\
452 	for (iterator = 0;						\
453 	     (pos = rsnd_mod_next(&iterator, io, array, size)); iterator++)
454 #define for_each_rsnd_mod_array(iterator, pos, io, array)		\
455 	for_each_rsnd_mod_arrays(iterator, pos, io, array, ARRAY_SIZE(array))
456 
457 void rsnd_parse_connect_common(struct rsnd_dai *rdai, char *name,
458 		struct rsnd_mod* (*mod_get)(struct rsnd_priv *priv, int id),
459 		struct device_node *node,
460 		struct device_node *playback,
461 		struct device_node *capture);
462 int rsnd_node_count(struct rsnd_priv *priv, struct device_node *node, char *name);
463 int rsnd_node_fixed_index(struct device *dev, struct device_node *node, char *name, int idx);
464 
465 int rsnd_channel_normalization(int chan);
466 #define rsnd_runtime_channel_original(io) \
467 	rsnd_runtime_channel_original_with_params(io, NULL)
468 int rsnd_runtime_channel_original_with_params(struct rsnd_dai_stream *io,
469 				struct snd_pcm_hw_params *params);
470 #define rsnd_runtime_channel_after_ctu(io)			\
471 	rsnd_runtime_channel_after_ctu_with_params(io, NULL)
472 int rsnd_runtime_channel_after_ctu_with_params(struct rsnd_dai_stream *io,
473 				struct snd_pcm_hw_params *params);
474 #define rsnd_runtime_channel_for_ssi(io) \
475 	rsnd_runtime_channel_for_ssi_with_params(io, NULL)
476 int rsnd_runtime_channel_for_ssi_with_params(struct rsnd_dai_stream *io,
477 				 struct snd_pcm_hw_params *params);
478 int rsnd_runtime_is_multi_ssi(struct rsnd_dai_stream *io);
479 int rsnd_runtime_is_tdm(struct rsnd_dai_stream *io);
480 int rsnd_runtime_is_tdm_split(struct rsnd_dai_stream *io);
481 
482 /*
483  * DT
484  */
485 #define rsnd_parse_of_node(priv, node)					\
486 	of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, node)
487 #define RSND_NODE_DAI	"rcar_sound,dai"
488 #define RSND_NODE_SSI	"rcar_sound,ssi"
489 #define RSND_NODE_SSIU	"rcar_sound,ssiu"
490 #define RSND_NODE_SRC	"rcar_sound,src"
491 #define RSND_NODE_CTU	"rcar_sound,ctu"
492 #define RSND_NODE_MIX	"rcar_sound,mix"
493 #define RSND_NODE_DVC	"rcar_sound,dvc"
494 
495 /*
496  *	R-Car sound DAI
497  */
498 #define RSND_DAI_NAME_SIZE	16
499 struct rsnd_dai_stream {
500 	char name[RSND_DAI_NAME_SIZE];
501 	struct snd_pcm_substream *substream;
502 	struct rsnd_mod *mod[RSND_MOD_MAX];
503 	struct rsnd_mod *dma;
504 	struct rsnd_dai *rdai;
505 	struct device *dmac_dev; /* for IPMMU */
506 	u32 converted_rate;      /* converted sampling rate */
507 	int converted_chan;      /* converted channels */
508 	u32 parent_ssi_status;
509 	u32 flags;
510 };
511 
512 /* flags */
513 #define RSND_STREAM_HDMI0	(1 << 0) /* for HDMI0 */
514 #define RSND_STREAM_HDMI1	(1 << 1) /* for HDMI1 */
515 #define RSND_STREAM_TDM_SPLIT	(1 << 2) /* for TDM split mode */
516 
517 #define rsnd_io_to_mod(io, i)	((i) < RSND_MOD_MAX ? (io)->mod[(i)] : NULL)
518 #define rsnd_io_to_mod_ssi(io)	rsnd_io_to_mod((io), RSND_MOD_SSI)
519 #define rsnd_io_to_mod_ssiu(io)	rsnd_io_to_mod((io), RSND_MOD_SSIU)
520 #define rsnd_io_to_mod_ssip(io)	rsnd_io_to_mod((io), RSND_MOD_SSIP)
521 #define rsnd_io_to_mod_src(io)	rsnd_io_to_mod((io), RSND_MOD_SRC)
522 #define rsnd_io_to_mod_ctu(io)	rsnd_io_to_mod((io), RSND_MOD_CTU)
523 #define rsnd_io_to_mod_mix(io)	rsnd_io_to_mod((io), RSND_MOD_MIX)
524 #define rsnd_io_to_mod_dvc(io)	rsnd_io_to_mod((io), RSND_MOD_DVC)
525 #define rsnd_io_to_mod_cmd(io)	rsnd_io_to_mod((io), RSND_MOD_CMD)
526 #define rsnd_io_to_rdai(io)	((io)->rdai)
527 #define rsnd_io_to_priv(io)	(rsnd_rdai_to_priv(rsnd_io_to_rdai(io)))
528 #define rsnd_io_is_play(io)	(&rsnd_io_to_rdai(io)->playback == io)
529 #define rsnd_io_to_runtime(io) ((io)->substream ? \
530 				(io)->substream->runtime : NULL)
531 #define rsnd_io_converted_rate(io)	((io)->converted_rate)
532 #define rsnd_io_converted_chan(io)	((io)->converted_chan)
533 int rsnd_io_is_working(struct rsnd_dai_stream *io);
534 
535 struct rsnd_dai {
536 	char name[RSND_DAI_NAME_SIZE];
537 	struct rsnd_dai_stream playback;
538 	struct rsnd_dai_stream capture;
539 	struct rsnd_priv *priv;
540 	struct snd_pcm_hw_constraint_list constraint;
541 
542 	int max_channels;	/* 2ch - 16ch */
543 	int ssi_lane;		/* 1lane - 4lane */
544 	int chan_width;		/* 16/24/32 bit width */
545 
546 	unsigned int clk_master:1;
547 	unsigned int bit_clk_inv:1;
548 	unsigned int frm_clk_inv:1;
549 	unsigned int sys_delay:1;
550 	unsigned int data_alignment:1;
551 };
552 
553 #define rsnd_rdai_nr(priv) ((priv)->rdai_nr)
554 #define rsnd_rdai_is_clk_master(rdai) ((rdai)->clk_master)
555 #define rsnd_rdai_to_priv(rdai) ((rdai)->priv)
556 #define for_each_rsnd_dai(rdai, priv, i)		\
557 	for (i = 0;					\
558 	     (i < rsnd_rdai_nr(priv)) &&		\
559 	     ((rdai) = rsnd_rdai_get(priv, i));		\
560 	     i++)
561 
562 struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id);
563 
564 #define rsnd_rdai_channels_set(rdai, max_channels) \
565 	rsnd_rdai_channels_ctrl(rdai, max_channels)
566 #define rsnd_rdai_channels_get(rdai) \
567 	rsnd_rdai_channels_ctrl(rdai, 0)
568 int rsnd_rdai_channels_ctrl(struct rsnd_dai *rdai,
569 			    int max_channels);
570 
571 #define rsnd_rdai_ssi_lane_set(rdai, ssi_lane) \
572 	rsnd_rdai_ssi_lane_ctrl(rdai, ssi_lane)
573 #define rsnd_rdai_ssi_lane_get(rdai) \
574 	rsnd_rdai_ssi_lane_ctrl(rdai, 0)
575 int rsnd_rdai_ssi_lane_ctrl(struct rsnd_dai *rdai,
576 			    int ssi_lane);
577 
578 #define rsnd_rdai_width_set(rdai, width) \
579 	rsnd_rdai_width_ctrl(rdai, width)
580 #define rsnd_rdai_width_get(rdai) \
581 	rsnd_rdai_width_ctrl(rdai, 0)
582 int rsnd_rdai_width_ctrl(struct rsnd_dai *rdai, int width);
583 void rsnd_dai_period_elapsed(struct rsnd_dai_stream *io);
584 int rsnd_dai_connect(struct rsnd_mod *mod,
585 		     struct rsnd_dai_stream *io,
586 		     enum rsnd_mod_type type);
587 
588 /*
589  *	R-Car Gen1/Gen2
590  */
591 int rsnd_gen_probe(struct rsnd_priv *priv);
592 void __iomem *rsnd_gen_reg_get(struct rsnd_priv *priv,
593 			       struct rsnd_mod *mod,
594 			       enum rsnd_reg reg);
595 phys_addr_t rsnd_gen_get_phy_addr(struct rsnd_priv *priv, int reg_id);
596 #ifdef CONFIG_DEBUG_FS
597 void __iomem *rsnd_gen_get_base_addr(struct rsnd_priv *priv, int reg_id);
598 #endif
599 
600 /*
601  *	R-Car ADG
602  */
603 int rsnd_adg_clk_query(struct rsnd_priv *priv, unsigned int rate);
604 int rsnd_adg_ssi_clk_stop(struct rsnd_mod *ssi_mod);
605 int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *ssi_mod, unsigned int rate);
606 int rsnd_adg_probe(struct rsnd_priv *priv);
607 void rsnd_adg_remove(struct rsnd_priv *priv);
608 int rsnd_adg_set_src_timesel_gen2(struct rsnd_mod *src_mod,
609 				  struct rsnd_dai_stream *io,
610 				  unsigned int in_rate,
611 				  unsigned int out_rate);
612 int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_mod *cmd_mod,
613 				 struct rsnd_dai_stream *io);
614 #define rsnd_adg_clk_enable(priv)	rsnd_adg_clk_control(priv, 1)
615 #define rsnd_adg_clk_disable(priv)	rsnd_adg_clk_control(priv, 0)
616 void rsnd_adg_clk_control(struct rsnd_priv *priv, int enable);
617 void rsnd_adg_clk_dbg_info(struct rsnd_priv *priv, struct seq_file *m);
618 
619 /*
620  *	R-Car sound priv
621  */
622 struct rsnd_priv {
623 
624 	struct platform_device *pdev;
625 	spinlock_t lock;
626 	unsigned long flags;
627 #define RSND_GEN_MASK	(0xF << 0)
628 #define RSND_GEN1	(1 << 0)
629 #define RSND_GEN2	(2 << 0)
630 #define RSND_GEN3	(3 << 0)
631 #define RSND_SOC_MASK	(0xFF << 4)
632 #define RSND_SOC_E	(1 << 4) /* E1/E2/E3 */
633 
634 	/*
635 	 * below value will be filled on rsnd_gen_probe()
636 	 */
637 	void *gen;
638 
639 	/*
640 	 * below value will be filled on rsnd_adg_probe()
641 	 */
642 	void *adg;
643 
644 	/*
645 	 * below value will be filled on rsnd_dma_probe()
646 	 */
647 	void *dma;
648 
649 	/*
650 	 * below value will be filled on rsnd_ssi_probe()
651 	 */
652 	void *ssi;
653 	int ssi_nr;
654 
655 	/*
656 	 * below value will be filled on rsnd_ssiu_probe()
657 	 */
658 	void *ssiu;
659 	int ssiu_nr;
660 
661 	/*
662 	 * below value will be filled on rsnd_src_probe()
663 	 */
664 	void *src;
665 	int src_nr;
666 
667 	/*
668 	 * below value will be filled on rsnd_ctu_probe()
669 	 */
670 	void *ctu;
671 	int ctu_nr;
672 
673 	/*
674 	 * below value will be filled on rsnd_mix_probe()
675 	 */
676 	void *mix;
677 	int mix_nr;
678 
679 	/*
680 	 * below value will be filled on rsnd_dvc_probe()
681 	 */
682 	void *dvc;
683 	int dvc_nr;
684 
685 	/*
686 	 * below value will be filled on rsnd_cmd_probe()
687 	 */
688 	void *cmd;
689 	int cmd_nr;
690 
691 	/*
692 	 * below value will be filled on rsnd_dai_probe()
693 	 */
694 	struct snd_soc_dai_driver *daidrv;
695 	struct rsnd_dai *rdai;
696 	int rdai_nr;
697 };
698 
699 #define rsnd_priv_to_pdev(priv)	((priv)->pdev)
700 #define rsnd_priv_to_dev(priv)	(&(rsnd_priv_to_pdev(priv)->dev))
701 
702 #define rsnd_is_gen1(priv)	(((priv)->flags & RSND_GEN_MASK) == RSND_GEN1)
703 #define rsnd_is_gen2(priv)	(((priv)->flags & RSND_GEN_MASK) == RSND_GEN2)
704 #define rsnd_is_gen3(priv)	(((priv)->flags & RSND_GEN_MASK) == RSND_GEN3)
705 #define rsnd_is_e3(priv)	(((priv)->flags & \
706 					(RSND_GEN_MASK | RSND_SOC_MASK)) == \
707 					(RSND_GEN3 | RSND_SOC_E))
708 
709 #define rsnd_flags_has(p, f) ((p)->flags & (f))
710 #define rsnd_flags_set(p, f) ((p)->flags |= (f))
711 #define rsnd_flags_del(p, f) ((p)->flags &= ~(f))
712 
713 /*
714  *	rsnd_kctrl
715  */
716 struct rsnd_kctrl_cfg {
717 	unsigned int max;
718 	unsigned int size;
719 	u32 *val;
720 	const char * const *texts;
721 	int (*accept)(struct rsnd_dai_stream *io);
722 	void (*update)(struct rsnd_dai_stream *io, struct rsnd_mod *mod);
723 	struct rsnd_dai_stream *io;
724 	struct snd_card *card;
725 	struct snd_kcontrol *kctrl;
726 	struct rsnd_mod *mod;
727 };
728 
729 #define RSND_MAX_CHANNELS	8
730 struct rsnd_kctrl_cfg_m {
731 	struct rsnd_kctrl_cfg cfg;
732 	u32 val[RSND_MAX_CHANNELS];
733 };
734 
735 struct rsnd_kctrl_cfg_s {
736 	struct rsnd_kctrl_cfg cfg;
737 	u32 val;
738 };
739 #define rsnd_kctrl_size(x)	((x).cfg.size)
740 #define rsnd_kctrl_max(x)	((x).cfg.max)
741 #define rsnd_kctrl_valm(x, i)	((x).val[i])	/* = (x).cfg.val[i] */
742 #define rsnd_kctrl_vals(x)	((x).val)	/* = (x).cfg.val[0] */
743 
744 int rsnd_kctrl_accept_anytime(struct rsnd_dai_stream *io);
745 int rsnd_kctrl_accept_runtime(struct rsnd_dai_stream *io);
746 struct rsnd_kctrl_cfg *rsnd_kctrl_init_m(struct rsnd_kctrl_cfg_m *cfg);
747 struct rsnd_kctrl_cfg *rsnd_kctrl_init_s(struct rsnd_kctrl_cfg_s *cfg);
748 int rsnd_kctrl_new(struct rsnd_mod *mod,
749 		   struct rsnd_dai_stream *io,
750 		   struct snd_soc_pcm_runtime *rtd,
751 		   const unsigned char *name,
752 		   int (*accept)(struct rsnd_dai_stream *io),
753 		   void (*update)(struct rsnd_dai_stream *io,
754 				  struct rsnd_mod *mod),
755 		   struct rsnd_kctrl_cfg *cfg,
756 		   const char * const *texts,
757 		   int size,
758 		   u32 max);
759 
760 #define rsnd_kctrl_new_m(mod, io, rtd, name, accept, update, cfg, size, max) \
761 	rsnd_kctrl_new(mod, io, rtd, name, accept, update, rsnd_kctrl_init_m(cfg), \
762 		       NULL, size, max)
763 
764 #define rsnd_kctrl_new_s(mod, io, rtd, name, accept, update, cfg, max)	\
765 	rsnd_kctrl_new(mod, io, rtd, name, accept, update, rsnd_kctrl_init_s(cfg), \
766 		       NULL, 1, max)
767 
768 #define rsnd_kctrl_new_e(mod, io, rtd, name, accept, update, cfg, texts, size) \
769 	rsnd_kctrl_new(mod, io, rtd, name, accept, update, rsnd_kctrl_init_s(cfg), \
770 		       texts, 1, size)
771 
772 extern const char * const volume_ramp_rate[];
773 #define VOLUME_RAMP_MAX_DVC	(0x17 + 1)
774 #define VOLUME_RAMP_MAX_MIX	(0x0a + 1)
775 
776 /*
777  *	R-Car SSI
778  */
779 int rsnd_ssi_probe(struct rsnd_priv *priv);
780 void rsnd_ssi_remove(struct rsnd_priv *priv);
781 struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id);
782 int rsnd_ssi_use_busif(struct rsnd_dai_stream *io);
783 u32 rsnd_ssi_multi_secondaries_runtime(struct rsnd_dai_stream *io);
784 int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod);
785 
786 #define rsnd_ssi_is_pin_sharing(io)	\
787 	__rsnd_ssi_is_pin_sharing(rsnd_io_to_mod_ssi(io))
788 int __rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod);
789 
790 #define rsnd_ssi_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_SSI)
791 void rsnd_parse_connect_ssi(struct rsnd_dai *rdai,
792 			    struct device_node *playback,
793 			    struct device_node *capture);
794 unsigned int rsnd_ssi_clk_query(struct rsnd_dai *rdai,
795 		       int param1, int param2, int *idx);
796 
797 /*
798  *	R-Car SSIU
799  */
800 int rsnd_ssiu_attach(struct rsnd_dai_stream *io,
801 		     struct rsnd_mod *mod);
802 int rsnd_ssiu_probe(struct rsnd_priv *priv);
803 void rsnd_ssiu_remove(struct rsnd_priv *priv);
804 void rsnd_parse_connect_ssiu(struct rsnd_dai *rdai,
805 			     struct device_node *playback,
806 			     struct device_node *capture);
807 #define rsnd_ssiu_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_SSIU)
808 bool rsnd_ssiu_busif_err_status_clear(struct rsnd_mod *mod);
809 
810 /*
811  *	R-Car SRC
812  */
813 int rsnd_src_probe(struct rsnd_priv *priv);
814 void rsnd_src_remove(struct rsnd_priv *priv);
815 struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id);
816 
817 #define rsnd_src_get_in_rate(priv, io) rsnd_src_get_rate(priv, io, 1)
818 #define rsnd_src_get_out_rate(priv, io) rsnd_src_get_rate(priv, io, 0)
819 unsigned int rsnd_src_get_rate(struct rsnd_priv *priv,
820 			       struct rsnd_dai_stream *io,
821 			       int is_in);
822 
823 #define rsnd_src_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_SRC)
824 #define rsnd_parse_connect_src(rdai, playback, capture)			\
825 	rsnd_parse_connect_common(rdai, "src", rsnd_src_mod_get,	\
826 				  rsnd_src_of_node(rsnd_rdai_to_priv(rdai)), \
827 						   playback, capture)
828 
829 /*
830  *	R-Car CTU
831  */
832 int rsnd_ctu_probe(struct rsnd_priv *priv);
833 void rsnd_ctu_remove(struct rsnd_priv *priv);
834 struct rsnd_mod *rsnd_ctu_mod_get(struct rsnd_priv *priv, int id);
835 #define rsnd_ctu_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_CTU)
836 #define rsnd_parse_connect_ctu(rdai, playback, capture)			\
837 	rsnd_parse_connect_common(rdai, "ctu", rsnd_ctu_mod_get,	\
838 				  rsnd_ctu_of_node(rsnd_rdai_to_priv(rdai)), \
839 						   playback, capture)
840 
841 /*
842  *	R-Car MIX
843  */
844 int rsnd_mix_probe(struct rsnd_priv *priv);
845 void rsnd_mix_remove(struct rsnd_priv *priv);
846 struct rsnd_mod *rsnd_mix_mod_get(struct rsnd_priv *priv, int id);
847 #define rsnd_mix_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_MIX)
848 #define rsnd_parse_connect_mix(rdai, playback, capture)			\
849 	rsnd_parse_connect_common(rdai, "mix", rsnd_mix_mod_get,	\
850 				  rsnd_mix_of_node(rsnd_rdai_to_priv(rdai)), \
851 						   playback, capture)
852 
853 /*
854  *	R-Car DVC
855  */
856 int rsnd_dvc_probe(struct rsnd_priv *priv);
857 void rsnd_dvc_remove(struct rsnd_priv *priv);
858 struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id);
859 #define rsnd_dvc_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_DVC)
860 #define rsnd_parse_connect_dvc(rdai, playback, capture)			\
861 	rsnd_parse_connect_common(rdai, "dvc", rsnd_dvc_mod_get,	\
862 				  rsnd_dvc_of_node(rsnd_rdai_to_priv(rdai)), \
863 						   playback, capture)
864 
865 /*
866  *	R-Car CMD
867  */
868 int rsnd_cmd_probe(struct rsnd_priv *priv);
869 void rsnd_cmd_remove(struct rsnd_priv *priv);
870 int rsnd_cmd_attach(struct rsnd_dai_stream *io, int id);
871 
872 void rsnd_mod_make_sure(struct rsnd_mod *mod, enum rsnd_mod_type type);
873 #ifdef DEBUG
874 #define rsnd_mod_confirm_ssi(mssi)	rsnd_mod_make_sure(mssi, RSND_MOD_SSI)
875 #define rsnd_mod_confirm_src(msrc)	rsnd_mod_make_sure(msrc, RSND_MOD_SRC)
876 #define rsnd_mod_confirm_dvc(mdvc)	rsnd_mod_make_sure(mdvc, RSND_MOD_DVC)
877 #else
878 #define rsnd_mod_confirm_ssi(mssi)
879 #define rsnd_mod_confirm_src(msrc)
880 #define rsnd_mod_confirm_dvc(mdvc)
881 #endif
882 
883 /*
884  * If you don't need interrupt status debug message,
885  * define RSND_DEBUG_NO_IRQ_STATUS as 1 on top of src.c/ssi.c
886  *
887  * #define RSND_DEBUG_NO_IRQ_STATUS 1
888  */
889 #define rsnd_print_irq_status(dev, param...) do {	\
890 	if (!IS_BUILTIN(RSND_DEBUG_NO_IRQ_STATUS))	\
891 		dev_info(dev, param);			\
892 } while (0)
893 
894 /*
895  * If you don't need rsnd_dai_call debug message,
896  * define RSND_DEBUG_NO_DAI_CALL as 1 on top of core.c
897  *
898  * #define RSND_DEBUG_NO_DAI_CALL 1
899  */
900 #define rsnd_dbg_dai_call(dev, param...)		\
901 	if (!IS_BUILTIN(RSND_DEBUG_NO_DAI_CALL))	\
902 		dev_dbg(dev, param)
903 
904 #endif
905 
906 #ifdef CONFIG_DEBUG_FS
907 int rsnd_debugfs_probe(struct snd_soc_component *component);
908 void rsnd_debugfs_reg_show(struct seq_file *m, phys_addr_t _addr,
909 			   void __iomem *base, int offset, int size);
910 void rsnd_debugfs_mod_reg_show(struct seq_file *m, struct rsnd_mod *mod,
911 			       int reg_id, int offset, int size);
912 
913 #else
914 #define rsnd_debugfs_probe  NULL
915 #endif
916