xref: /openbmc/linux/sound/soc/sh/rcar/rsnd.h (revision cbf1494f)
1 /*
2  * Renesas R-Car
3  *
4  * Copyright (C) 2013 Renesas Solutions Corp.
5  * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
6  *
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.
10  */
11 #ifndef RSND_H
12 #define RSND_H
13 
14 #include <linux/clk.h>
15 #include <linux/device.h>
16 #include <linux/dma-mapping.h>
17 #include <linux/io.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/soc.h>
25 #include <sound/pcm_params.h>
26 
27 #define RSND_GEN1_SRU	0
28 #define RSND_GEN1_ADG	1
29 #define RSND_GEN1_SSI	2
30 
31 #define RSND_GEN2_SCU	0
32 #define RSND_GEN2_ADG	1
33 #define RSND_GEN2_SSIU	2
34 #define RSND_GEN2_SSI	3
35 
36 #define RSND_BASE_MAX	4
37 
38 /*
39  *	pseudo register
40  *
41  * The register address offsets SRU/SCU/SSIU on Gen1/Gen2 are very different.
42  * This driver uses pseudo register in order to hide it.
43  * see gen1/gen2 for detail
44  */
45 enum rsnd_reg {
46 	/* SCU (SRC/SSIU/MIX/CTU/DVC) */
47 	RSND_REG_SSI_MODE,		/* Gen2 only */
48 	RSND_REG_SSI_MODE0,
49 	RSND_REG_SSI_MODE1,
50 	RSND_REG_SSI_MODE2,
51 	RSND_REG_SSI_CONTROL,
52 	RSND_REG_SSI_CTRL,		/* Gen2 only */
53 	RSND_REG_SSI_BUSIF_MODE,	/* Gen2 only */
54 	RSND_REG_SSI_BUSIF_ADINR,	/* Gen2 only */
55 	RSND_REG_SSI_BUSIF_DALIGN,	/* Gen2 only */
56 	RSND_REG_SSI_INT_ENABLE,	/* Gen2 only */
57 	RSND_REG_SRC_I_BUSIF_MODE,
58 	RSND_REG_SRC_O_BUSIF_MODE,
59 	RSND_REG_SRC_ROUTE_MODE0,
60 	RSND_REG_SRC_SWRSR,
61 	RSND_REG_SRC_SRCIR,
62 	RSND_REG_SRC_ADINR,
63 	RSND_REG_SRC_IFSCR,
64 	RSND_REG_SRC_IFSVR,
65 	RSND_REG_SRC_SRCCR,
66 	RSND_REG_SRC_CTRL,		/* Gen2 only */
67 	RSND_REG_SRC_BSDSR,		/* Gen2 only */
68 	RSND_REG_SRC_BSISR,		/* Gen2 only */
69 	RSND_REG_SRC_INT_ENABLE0,	/* Gen2 only */
70 	RSND_REG_SRC_BUSIF_DALIGN,	/* Gen2 only */
71 	RSND_REG_SRCIN_TIMSEL0,		/* Gen2 only */
72 	RSND_REG_SRCIN_TIMSEL1,		/* Gen2 only */
73 	RSND_REG_SRCIN_TIMSEL2,		/* Gen2 only */
74 	RSND_REG_SRCIN_TIMSEL3,		/* Gen2 only */
75 	RSND_REG_SRCIN_TIMSEL4,		/* Gen2 only */
76 	RSND_REG_SRCOUT_TIMSEL0,	/* Gen2 only */
77 	RSND_REG_SRCOUT_TIMSEL1,	/* Gen2 only */
78 	RSND_REG_SRCOUT_TIMSEL2,	/* Gen2 only */
79 	RSND_REG_SRCOUT_TIMSEL3,	/* Gen2 only */
80 	RSND_REG_SRCOUT_TIMSEL4,	/* Gen2 only */
81 	RSND_REG_SCU_SYS_STATUS0,
82 	RSND_REG_SCU_SYS_STATUS1,	/* Gen2 only */
83 	RSND_REG_SCU_SYS_INT_EN0,
84 	RSND_REG_SCU_SYS_INT_EN1,	/* Gen2 only */
85 	RSND_REG_CMD_CTRL,		/* Gen2 only */
86 	RSND_REG_CMD_BUSIF_DALIGN,	/* Gen2 only */
87 	RSND_REG_CMD_ROUTE_SLCT,
88 	RSND_REG_CMDOUT_TIMSEL,		/* Gen2 only */
89 	RSND_REG_CTU_SWRSR,
90 	RSND_REG_CTU_CTUIR,
91 	RSND_REG_CTU_ADINR,
92 	RSND_REG_CTU_CPMDR,
93 	RSND_REG_CTU_SCMDR,
94 	RSND_REG_CTU_SV00R,
95 	RSND_REG_CTU_SV01R,
96 	RSND_REG_CTU_SV02R,
97 	RSND_REG_CTU_SV03R,
98 	RSND_REG_CTU_SV04R,
99 	RSND_REG_CTU_SV05R,
100 	RSND_REG_CTU_SV06R,
101 	RSND_REG_CTU_SV07R,
102 	RSND_REG_CTU_SV10R,
103 	RSND_REG_CTU_SV11R,
104 	RSND_REG_CTU_SV12R,
105 	RSND_REG_CTU_SV13R,
106 	RSND_REG_CTU_SV14R,
107 	RSND_REG_CTU_SV15R,
108 	RSND_REG_CTU_SV16R,
109 	RSND_REG_CTU_SV17R,
110 	RSND_REG_CTU_SV20R,
111 	RSND_REG_CTU_SV21R,
112 	RSND_REG_CTU_SV22R,
113 	RSND_REG_CTU_SV23R,
114 	RSND_REG_CTU_SV24R,
115 	RSND_REG_CTU_SV25R,
116 	RSND_REG_CTU_SV26R,
117 	RSND_REG_CTU_SV27R,
118 	RSND_REG_CTU_SV30R,
119 	RSND_REG_CTU_SV31R,
120 	RSND_REG_CTU_SV32R,
121 	RSND_REG_CTU_SV33R,
122 	RSND_REG_CTU_SV34R,
123 	RSND_REG_CTU_SV35R,
124 	RSND_REG_CTU_SV36R,
125 	RSND_REG_CTU_SV37R,
126 	RSND_REG_MIX_SWRSR,
127 	RSND_REG_MIX_MIXIR,
128 	RSND_REG_MIX_ADINR,
129 	RSND_REG_MIX_MIXMR,
130 	RSND_REG_MIX_MVPDR,
131 	RSND_REG_MIX_MDBAR,
132 	RSND_REG_MIX_MDBBR,
133 	RSND_REG_MIX_MDBCR,
134 	RSND_REG_MIX_MDBDR,
135 	RSND_REG_MIX_MDBER,
136 	RSND_REG_DVC_SWRSR,
137 	RSND_REG_DVC_DVUIR,
138 	RSND_REG_DVC_ADINR,
139 	RSND_REG_DVC_DVUCR,
140 	RSND_REG_DVC_ZCMCR,
141 	RSND_REG_DVC_VOL0R,
142 	RSND_REG_DVC_VOL1R,
143 	RSND_REG_DVC_VOL2R,
144 	RSND_REG_DVC_VOL3R,
145 	RSND_REG_DVC_VOL4R,
146 	RSND_REG_DVC_VOL5R,
147 	RSND_REG_DVC_VOL6R,
148 	RSND_REG_DVC_VOL7R,
149 	RSND_REG_DVC_DVUER,
150 	RSND_REG_DVC_VRCTR,		/* Gen2 only */
151 	RSND_REG_DVC_VRPDR,		/* Gen2 only */
152 	RSND_REG_DVC_VRDBR,		/* Gen2 only */
153 
154 	/* ADG */
155 	RSND_REG_BRRA,
156 	RSND_REG_BRRB,
157 	RSND_REG_SSICKR,
158 	RSND_REG_DIV_EN,		/* Gen2 only */
159 	RSND_REG_AUDIO_CLK_SEL0,
160 	RSND_REG_AUDIO_CLK_SEL1,
161 	RSND_REG_AUDIO_CLK_SEL2,	/* Gen2 only */
162 
163 	/* SSI */
164 	RSND_REG_SSICR,
165 	RSND_REG_SSISR,
166 	RSND_REG_SSITDR,
167 	RSND_REG_SSIRDR,
168 	RSND_REG_SSIWSR,
169 
170 	RSND_REG_MAX,
171 };
172 
173 struct rsnd_priv;
174 struct rsnd_mod;
175 struct rsnd_dai;
176 struct rsnd_dai_stream;
177 
178 /*
179  *	R-Car basic functions
180  */
181 #define rsnd_mod_read(m, r) \
182 	rsnd_read(rsnd_mod_to_priv(m), m, RSND_REG_##r)
183 #define rsnd_mod_write(m, r, d) \
184 	rsnd_write(rsnd_mod_to_priv(m), m, RSND_REG_##r, d)
185 #define rsnd_mod_bset(m, r, s, d) \
186 	rsnd_bset(rsnd_mod_to_priv(m), m, RSND_REG_##r, s, d)
187 
188 u32 rsnd_read(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg);
189 void rsnd_write(struct rsnd_priv *priv, struct rsnd_mod *mod,
190 		enum rsnd_reg reg, u32 data);
191 void rsnd_force_write(struct rsnd_priv *priv, struct rsnd_mod *mod,
192 		enum rsnd_reg reg, u32 data);
193 void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg,
194 		    u32 mask, u32 data);
195 u32 rsnd_get_adinr_bit(struct rsnd_mod *mod, struct rsnd_dai_stream *io);
196 u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io);
197 
198 /*
199  *	R-Car DMA
200  */
201 int rsnd_dma_attach(struct rsnd_dai_stream *io,
202 		    struct rsnd_mod *mod, struct rsnd_mod **dma_mod, int id);
203 int rsnd_dma_probe(struct rsnd_priv *priv);
204 struct dma_chan *rsnd_dma_request_channel(struct device_node *of_node,
205 					  struct rsnd_mod *mod, char *name);
206 
207 /*
208  *	R-Car sound mod
209  */
210 enum rsnd_mod_type {
211 	RSND_MOD_AUDMAPP,
212 	RSND_MOD_AUDMA,
213 	RSND_MOD_DVC,
214 	RSND_MOD_MIX,
215 	RSND_MOD_CTU,
216 	RSND_MOD_CMD,
217 	RSND_MOD_SRC,
218 	RSND_MOD_SSIM3,		/* SSI multi 3 */
219 	RSND_MOD_SSIM2,		/* SSI multi 2 */
220 	RSND_MOD_SSIM1,		/* SSI multi 1 */
221 	RSND_MOD_SSIP,		/* SSI parent */
222 	RSND_MOD_SSI,
223 	RSND_MOD_SSIU,
224 	RSND_MOD_MAX,
225 };
226 
227 struct rsnd_mod_ops {
228 	char *name;
229 	struct dma_chan* (*dma_req)(struct rsnd_dai_stream *io,
230 				    struct rsnd_mod *mod);
231 	int (*probe)(struct rsnd_mod *mod,
232 		     struct rsnd_dai_stream *io,
233 		     struct rsnd_priv *priv);
234 	int (*remove)(struct rsnd_mod *mod,
235 		      struct rsnd_dai_stream *io,
236 		      struct rsnd_priv *priv);
237 	int (*init)(struct rsnd_mod *mod,
238 		    struct rsnd_dai_stream *io,
239 		    struct rsnd_priv *priv);
240 	int (*quit)(struct rsnd_mod *mod,
241 		    struct rsnd_dai_stream *io,
242 		    struct rsnd_priv *priv);
243 	int (*start)(struct rsnd_mod *mod,
244 		     struct rsnd_dai_stream *io,
245 		     struct rsnd_priv *priv);
246 	int (*stop)(struct rsnd_mod *mod,
247 		    struct rsnd_dai_stream *io,
248 		    struct rsnd_priv *priv);
249 	int (*irq)(struct rsnd_mod *mod,
250 		   struct rsnd_dai_stream *io,
251 		   struct rsnd_priv *priv, int enable);
252 	int (*pcm_new)(struct rsnd_mod *mod,
253 		       struct rsnd_dai_stream *io,
254 		       struct snd_soc_pcm_runtime *rtd);
255 	int (*hw_params)(struct rsnd_mod *mod,
256 			 struct rsnd_dai_stream *io,
257 			 struct snd_pcm_substream *substream,
258 			 struct snd_pcm_hw_params *hw_params);
259 	int (*fallback)(struct rsnd_mod *mod,
260 			struct rsnd_dai_stream *io,
261 			struct rsnd_priv *priv);
262 };
263 
264 struct rsnd_dai_stream;
265 struct rsnd_mod {
266 	int id;
267 	enum rsnd_mod_type type;
268 	struct rsnd_mod_ops *ops;
269 	struct rsnd_priv *priv;
270 	struct clk *clk;
271 	u32 *(*get_status)(struct rsnd_dai_stream *io,
272 			   struct rsnd_mod *mod,
273 			   enum rsnd_mod_type type);
274 	u32 status;
275 };
276 /*
277  * status
278  *
279  * 0xH0000CB0
280  *
281  * B	0: init		1: quit
282  * C	0: start	1: stop
283  *
284  * H is always called (see __rsnd_mod_call)
285  * H	0: probe	1: remove
286  * H	0: pcm_new
287  * H	0: fallback
288  * H	0: hw_params
289  */
290 #define __rsnd_mod_shift_init		4
291 #define __rsnd_mod_shift_quit		4
292 #define __rsnd_mod_shift_start		8
293 #define __rsnd_mod_shift_stop		8
294 #define __rsnd_mod_shift_probe		28 /* always called */
295 #define __rsnd_mod_shift_remove		28 /* always called */
296 #define __rsnd_mod_shift_irq		28 /* always called */
297 #define __rsnd_mod_shift_pcm_new	28 /* always called */
298 #define __rsnd_mod_shift_fallback	28 /* always called */
299 #define __rsnd_mod_shift_hw_params	28 /* always called */
300 
301 #define __rsnd_mod_add_probe		0
302 #define __rsnd_mod_add_remove		0
303 #define __rsnd_mod_add_init		 1
304 #define __rsnd_mod_add_quit		-1
305 #define __rsnd_mod_add_start		 1
306 #define __rsnd_mod_add_stop		-1
307 #define __rsnd_mod_add_irq		0
308 #define __rsnd_mod_add_pcm_new		0
309 #define __rsnd_mod_add_fallback		0
310 #define __rsnd_mod_add_hw_params	0
311 
312 #define __rsnd_mod_call_probe		0
313 #define __rsnd_mod_call_remove		0
314 #define __rsnd_mod_call_init		0
315 #define __rsnd_mod_call_quit		1
316 #define __rsnd_mod_call_start		0
317 #define __rsnd_mod_call_stop		1
318 #define __rsnd_mod_call_irq		0
319 #define __rsnd_mod_call_pcm_new		0
320 #define __rsnd_mod_call_fallback	0
321 #define __rsnd_mod_call_hw_params	0
322 
323 #define rsnd_mod_to_priv(mod) ((mod)->priv)
324 #define rsnd_mod_id(mod) ((mod) ? (mod)->id : -1)
325 #define rsnd_mod_power_on(mod)	clk_enable((mod)->clk)
326 #define rsnd_mod_power_off(mod)	clk_disable((mod)->clk)
327 #define rsnd_mod_get(ip)	(&(ip)->mod)
328 
329 int rsnd_mod_init(struct rsnd_priv *priv,
330 		  struct rsnd_mod *mod,
331 		  struct rsnd_mod_ops *ops,
332 		  struct clk *clk,
333 		  u32* (*get_status)(struct rsnd_dai_stream *io,
334 				     struct rsnd_mod *mod,
335 				     enum rsnd_mod_type type),
336 		  enum rsnd_mod_type type,
337 		  int id);
338 void rsnd_mod_quit(struct rsnd_mod *mod);
339 char *rsnd_mod_name(struct rsnd_mod *mod);
340 struct dma_chan *rsnd_mod_dma_req(struct rsnd_dai_stream *io,
341 				  struct rsnd_mod *mod);
342 void rsnd_mod_interrupt(struct rsnd_mod *mod,
343 			void (*callback)(struct rsnd_mod *mod,
344 					 struct rsnd_dai_stream *io));
345 u32 *rsnd_mod_get_status(struct rsnd_dai_stream *io,
346 			 struct rsnd_mod *mod,
347 			 enum rsnd_mod_type type);
348 
349 void rsnd_parse_connect_common(struct rsnd_dai *rdai,
350 		struct rsnd_mod* (*mod_get)(struct rsnd_priv *priv, int id),
351 		struct device_node *node,
352 		struct device_node *playback,
353 		struct device_node *capture);
354 
355 void rsnd_set_slot(struct rsnd_dai *rdai,
356 		   int slots, int slots_total);
357 int rsnd_get_slot(struct rsnd_dai_stream *io);
358 int rsnd_get_slot_num(struct rsnd_dai_stream *io);
359 
360 int rsnd_runtime_channel_original(struct rsnd_dai_stream *io);
361 int rsnd_runtime_channel_after_ctu(struct rsnd_dai_stream *io);
362 int rsnd_runtime_channel_for_ssi(struct rsnd_dai_stream *io);
363 int rsnd_runtime_is_ssi_multi(struct rsnd_dai_stream *io);
364 int rsnd_runtime_is_ssi_tdm(struct rsnd_dai_stream *io);
365 
366 /*
367  *	R-Car sound DAI
368  */
369 #define RSND_DAI_NAME_SIZE	16
370 struct rsnd_dai_stream {
371 	char name[RSND_DAI_NAME_SIZE];
372 	struct snd_pcm_substream *substream;
373 	struct rsnd_mod *mod[RSND_MOD_MAX];
374 	struct rsnd_dai_path_info *info; /* rcar_snd.h */
375 	struct rsnd_dai *rdai;
376 	u32 parent_ssi_status;
377 	int byte_pos;
378 	int period_pos;
379 	int byte_per_period;
380 	int next_period_byte;
381 };
382 #define rsnd_io_to_mod(io, i)	((i) < RSND_MOD_MAX ? (io)->mod[(i)] : NULL)
383 #define rsnd_io_to_mod_ssi(io)	rsnd_io_to_mod((io), RSND_MOD_SSI)
384 #define rsnd_io_to_mod_ssip(io)	rsnd_io_to_mod((io), RSND_MOD_SSIP)
385 #define rsnd_io_to_mod_src(io)	rsnd_io_to_mod((io), RSND_MOD_SRC)
386 #define rsnd_io_to_mod_ctu(io)	rsnd_io_to_mod((io), RSND_MOD_CTU)
387 #define rsnd_io_to_mod_mix(io)	rsnd_io_to_mod((io), RSND_MOD_MIX)
388 #define rsnd_io_to_mod_dvc(io)	rsnd_io_to_mod((io), RSND_MOD_DVC)
389 #define rsnd_io_to_mod_cmd(io)	rsnd_io_to_mod((io), RSND_MOD_CMD)
390 #define rsnd_io_to_rdai(io)	((io)->rdai)
391 #define rsnd_io_to_priv(io)	(rsnd_rdai_to_priv(rsnd_io_to_rdai(io)))
392 #define rsnd_io_is_play(io)	(&rsnd_io_to_rdai(io)->playback == io)
393 #define rsnd_io_to_runtime(io) ((io)->substream ? \
394 				(io)->substream->runtime : NULL)
395 int rsnd_io_is_working(struct rsnd_dai_stream *io);
396 
397 struct rsnd_dai {
398 	char name[RSND_DAI_NAME_SIZE];
399 	struct rsnd_dai_stream playback;
400 	struct rsnd_dai_stream capture;
401 	struct rsnd_priv *priv;
402 
403 	int slots;
404 	int slots_num;
405 
406 	unsigned int clk_master:1;
407 	unsigned int bit_clk_inv:1;
408 	unsigned int frm_clk_inv:1;
409 	unsigned int sys_delay:1;
410 	unsigned int data_alignment:1;
411 };
412 
413 #define rsnd_rdai_nr(priv) ((priv)->rdai_nr)
414 #define rsnd_rdai_is_clk_master(rdai) ((rdai)->clk_master)
415 #define rsnd_rdai_to_priv(rdai) ((rdai)->priv)
416 #define for_each_rsnd_dai(rdai, priv, i)		\
417 	for (i = 0;					\
418 	     (i < rsnd_rdai_nr(priv)) &&		\
419 	     ((rdai) = rsnd_rdai_get(priv, i));		\
420 	     i++)
421 
422 struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id);
423 
424 bool rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int cnt);
425 void rsnd_dai_period_elapsed(struct rsnd_dai_stream *io);
426 int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional);
427 int rsnd_dai_connect(struct rsnd_mod *mod,
428 		     struct rsnd_dai_stream *io,
429 		     enum rsnd_mod_type type);
430 #define rsnd_dai_of_node(priv)						\
431 	of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,dai")
432 
433 /*
434  *	R-Car Gen1/Gen2
435  */
436 int rsnd_gen_probe(struct rsnd_priv *priv);
437 void __iomem *rsnd_gen_reg_get(struct rsnd_priv *priv,
438 			       struct rsnd_mod *mod,
439 			       enum rsnd_reg reg);
440 phys_addr_t rsnd_gen_get_phy_addr(struct rsnd_priv *priv, int reg_id);
441 
442 /*
443  *	R-Car ADG
444  */
445 int rsnd_adg_ssi_clk_stop(struct rsnd_mod *mod);
446 int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *mod, unsigned int rate);
447 int rsnd_adg_probe(struct rsnd_priv *priv);
448 void rsnd_adg_remove(struct rsnd_priv *priv);
449 int rsnd_adg_set_convert_clk_gen2(struct rsnd_mod *mod,
450 				  struct rsnd_dai_stream *io,
451 				  unsigned int src_rate,
452 				  unsigned int dst_rate);
453 int rsnd_adg_set_convert_timing_gen2(struct rsnd_mod *mod,
454 				     struct rsnd_dai_stream *io);
455 int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_mod *mod,
456 				 struct rsnd_dai_stream *io);
457 
458 /*
459  *	R-Car sound priv
460  */
461 struct rsnd_priv {
462 
463 	struct platform_device *pdev;
464 	spinlock_t lock;
465 	unsigned long flags;
466 #define RSND_GEN_MASK	(0xF << 0)
467 #define RSND_GEN1	(1 << 0)
468 #define RSND_GEN2	(2 << 0)
469 
470 	/*
471 	 * below value will be filled on rsnd_gen_probe()
472 	 */
473 	void *gen;
474 
475 	/*
476 	 * below value will be filled on rsnd_adg_probe()
477 	 */
478 	void *adg;
479 
480 	/*
481 	 * below value will be filled on rsnd_dma_probe()
482 	 */
483 	void *dma;
484 
485 	/*
486 	 * below value will be filled on rsnd_ssi_probe()
487 	 */
488 	void *ssi;
489 	int ssi_nr;
490 
491 	/*
492 	 * below value will be filled on rsnd_ssiu_probe()
493 	 */
494 	void *ssiu;
495 	int ssiu_nr;
496 
497 	/*
498 	 * below value will be filled on rsnd_src_probe()
499 	 */
500 	void *src;
501 	int src_nr;
502 
503 	/*
504 	 * below value will be filled on rsnd_ctu_probe()
505 	 */
506 	void *ctu;
507 	int ctu_nr;
508 
509 	/*
510 	 * below value will be filled on rsnd_mix_probe()
511 	 */
512 	void *mix;
513 	int mix_nr;
514 
515 	/*
516 	 * below value will be filled on rsnd_dvc_probe()
517 	 */
518 	void *dvc;
519 	int dvc_nr;
520 
521 	/*
522 	 * below value will be filled on rsnd_cmd_probe()
523 	 */
524 	void *cmd;
525 	int cmd_nr;
526 
527 	/*
528 	 * below value will be filled on rsnd_dai_probe()
529 	 */
530 	struct snd_soc_dai_driver *daidrv;
531 	struct rsnd_dai *rdai;
532 	int rdai_nr;
533 };
534 
535 #define rsnd_priv_to_pdev(priv)	((priv)->pdev)
536 #define rsnd_priv_to_dev(priv)	(&(rsnd_priv_to_pdev(priv)->dev))
537 
538 #define rsnd_is_gen1(priv)	(((priv)->flags & RSND_GEN_MASK) == RSND_GEN1)
539 #define rsnd_is_gen2(priv)	(((priv)->flags & RSND_GEN_MASK) == RSND_GEN2)
540 
541 /*
542  *	rsnd_kctrl
543  */
544 struct rsnd_kctrl_cfg {
545 	unsigned int max;
546 	unsigned int size;
547 	u32 *val;
548 	const char * const *texts;
549 	void (*update)(struct rsnd_dai_stream *io, struct rsnd_mod *mod);
550 	struct rsnd_dai_stream *io;
551 	struct snd_card *card;
552 	struct snd_kcontrol *kctrl;
553 };
554 
555 #define RSND_MAX_CHANNELS	8
556 struct rsnd_kctrl_cfg_m {
557 	struct rsnd_kctrl_cfg cfg;
558 	u32 val[RSND_MAX_CHANNELS];
559 };
560 
561 struct rsnd_kctrl_cfg_s {
562 	struct rsnd_kctrl_cfg cfg;
563 	u32 val;
564 };
565 
566 void _rsnd_kctrl_remove(struct rsnd_kctrl_cfg *cfg);
567 #define rsnd_kctrl_remove(_cfg)	_rsnd_kctrl_remove(&((_cfg).cfg))
568 
569 int rsnd_kctrl_new_m(struct rsnd_mod *mod,
570 		     struct rsnd_dai_stream *io,
571 		     struct snd_soc_pcm_runtime *rtd,
572 		     const unsigned char *name,
573 		     void (*update)(struct rsnd_dai_stream *io,
574 				    struct rsnd_mod *mod),
575 		     struct rsnd_kctrl_cfg_m *_cfg,
576 		     int ch_size,
577 		     u32 max);
578 int rsnd_kctrl_new_s(struct rsnd_mod *mod,
579 		     struct rsnd_dai_stream *io,
580 		     struct snd_soc_pcm_runtime *rtd,
581 		     const unsigned char *name,
582 		     void (*update)(struct rsnd_dai_stream *io,
583 				    struct rsnd_mod *mod),
584 		     struct rsnd_kctrl_cfg_s *_cfg,
585 		     u32 max);
586 int rsnd_kctrl_new_e(struct rsnd_mod *mod,
587 		     struct rsnd_dai_stream *io,
588 		     struct snd_soc_pcm_runtime *rtd,
589 		     const unsigned char *name,
590 		     struct rsnd_kctrl_cfg_s *_cfg,
591 		     void (*update)(struct rsnd_dai_stream *io,
592 				    struct rsnd_mod *mod),
593 		     const char * const *texts,
594 		     u32 max);
595 
596 /*
597  *	R-Car SSI
598  */
599 int rsnd_ssi_probe(struct rsnd_priv *priv);
600 void rsnd_ssi_remove(struct rsnd_priv *priv);
601 struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id);
602 int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod);
603 int rsnd_ssi_use_busif(struct rsnd_dai_stream *io);
604 u32 rsnd_ssi_multi_slaves_runtime(struct rsnd_dai_stream *io);
605 
606 #define rsnd_ssi_is_pin_sharing(io)	\
607 	__rsnd_ssi_is_pin_sharing(rsnd_io_to_mod_ssi(io))
608 int __rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod);
609 
610 #define rsnd_ssi_of_node(priv)						\
611 	of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,ssi")
612 void rsnd_parse_connect_ssi(struct rsnd_dai *rdai,
613 			    struct device_node *playback,
614 			    struct device_node *capture);
615 
616 /*
617  *	R-Car SSIU
618  */
619 int rsnd_ssiu_attach(struct rsnd_dai_stream *io,
620 		     struct rsnd_mod *mod);
621 int rsnd_ssiu_probe(struct rsnd_priv *priv);
622 void rsnd_ssiu_remove(struct rsnd_priv *priv);
623 
624 /*
625  *	R-Car SRC
626  */
627 int rsnd_src_probe(struct rsnd_priv *priv);
628 void rsnd_src_remove(struct rsnd_priv *priv);
629 struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id);
630 
631 #define rsnd_src_get_in_rate(priv, io) rsnd_src_get_rate(priv, io, 1)
632 #define rsnd_src_get_out_rate(priv, io) rsnd_src_get_rate(priv, io, 0)
633 unsigned int rsnd_src_get_rate(struct rsnd_priv *priv,
634 			       struct rsnd_dai_stream *io,
635 			       int is_in);
636 
637 #define rsnd_src_of_node(priv)						\
638 	of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,src")
639 #define rsnd_parse_connect_src(rdai, playback, capture)			\
640 	rsnd_parse_connect_common(rdai, rsnd_src_mod_get,		\
641 				  rsnd_src_of_node(rsnd_rdai_to_priv(rdai)), \
642 						   playback, capture)
643 
644 /*
645  *	R-Car CTU
646  */
647 int rsnd_ctu_probe(struct rsnd_priv *priv);
648 void rsnd_ctu_remove(struct rsnd_priv *priv);
649 int rsnd_ctu_converted_channel(struct rsnd_mod *mod);
650 struct rsnd_mod *rsnd_ctu_mod_get(struct rsnd_priv *priv, int id);
651 #define rsnd_ctu_of_node(priv)						\
652 	of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,ctu")
653 #define rsnd_parse_connect_ctu(rdai, playback, capture)			\
654 	rsnd_parse_connect_common(rdai, rsnd_ctu_mod_get,		\
655 				  rsnd_ctu_of_node(rsnd_rdai_to_priv(rdai)), \
656 						   playback, capture)
657 
658 /*
659  *	R-Car MIX
660  */
661 int rsnd_mix_probe(struct rsnd_priv *priv);
662 void rsnd_mix_remove(struct rsnd_priv *priv);
663 struct rsnd_mod *rsnd_mix_mod_get(struct rsnd_priv *priv, int id);
664 #define rsnd_mix_of_node(priv)						\
665 	of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,mix")
666 #define rsnd_parse_connect_mix(rdai, playback, capture)			\
667 	rsnd_parse_connect_common(rdai, rsnd_mix_mod_get,		\
668 				  rsnd_mix_of_node(rsnd_rdai_to_priv(rdai)), \
669 						   playback, capture)
670 
671 /*
672  *	R-Car DVC
673  */
674 int rsnd_dvc_probe(struct rsnd_priv *priv);
675 void rsnd_dvc_remove(struct rsnd_priv *priv);
676 struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id);
677 #define rsnd_dvc_of_node(priv)						\
678 	of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,dvc")
679 #define rsnd_parse_connect_dvc(rdai, playback, capture)			\
680 	rsnd_parse_connect_common(rdai, rsnd_dvc_mod_get,		\
681 				  rsnd_dvc_of_node(rsnd_rdai_to_priv(rdai)), \
682 						   playback, capture)
683 
684 /*
685  *	R-Car CMD
686  */
687 int rsnd_cmd_probe(struct rsnd_priv *priv);
688 void rsnd_cmd_remove(struct rsnd_priv *priv);
689 int rsnd_cmd_attach(struct rsnd_dai_stream *io, int id);
690 struct rsnd_mod *rsnd_cmd_mod_get(struct rsnd_priv *priv, int id);
691 
692 #ifdef DEBUG
693 void rsnd_mod_make_sure(struct rsnd_mod *mod, enum rsnd_mod_type type);
694 #define rsnd_mod_confirm_ssi(mssi)	rsnd_mod_make_sure(mssi, RSND_MOD_SSI)
695 #define rsnd_mod_confirm_src(msrc)	rsnd_mod_make_sure(msrc, RSND_MOD_SRC)
696 #define rsnd_mod_confirm_dvc(mdvc)	rsnd_mod_make_sure(mdvc, RSND_MOD_DVC)
697 #else
698 #define rsnd_mod_confirm_ssi(mssi)
699 #define rsnd_mod_confirm_src(msrc)
700 #define rsnd_mod_confirm_dvc(mdvc)
701 #endif
702 
703 #endif
704