sound/soc/sh/rcar/rsnd.h

   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/rcar_snd.h>
  25 #include <sound/soc.h>
  26 #include <sound/pcm_params.h>
  27
  28 /*
  29  *      pseudo register
  30  *
  31  * The register address offsets SRU/SCU/SSIU on Gen1/Gen2 are very different.
  32  * This driver uses pseudo register in order to hide it.
  33  * see gen1/gen2 for detail
  34  */
  35 enum rsnd_reg {
  36         /* SRU/SCU/SSIU */
  37         RSND_REG_SSI_MODE0,
  38         RSND_REG_SSI_MODE1,
  39         RSND_REG_SRC_BUSIF_MODE,
  40         RSND_REG_SRC_ROUTE_MODE0,
  41         RSND_REG_SRC_SWRSR,
  42         RSND_REG_SRC_SRCIR,
  43         RSND_REG_SRC_ADINR,
  44         RSND_REG_SRC_IFSCR,
  45         RSND_REG_SRC_IFSVR,
  46         RSND_REG_SRC_SRCCR,
  47         RSND_REG_SCU_SYS_STATUS0,
  48         RSND_REG_SCU_SYS_INT_EN0,
  49         RSND_REG_CMD_ROUTE_SLCT,
  50         RSND_REG_DVC_SWRSR,
  51         RSND_REG_DVC_DVUIR,
  52         RSND_REG_DVC_ADINR,
  53         RSND_REG_DVC_DVUCR,
  54         RSND_REG_DVC_ZCMCR,
  55         RSND_REG_DVC_VOL0R,
  56         RSND_REG_DVC_VOL1R,
  57         RSND_REG_DVC_DVUER,
  58
  59         /* ADG */
  60         RSND_REG_BRRA,
  61         RSND_REG_BRRB,
  62         RSND_REG_SSICKR,
  63         RSND_REG_AUDIO_CLK_SEL0,
  64         RSND_REG_AUDIO_CLK_SEL1,
  65
  66         /* SSI */
  67         RSND_REG_SSICR,
  68         RSND_REG_SSISR,
  69         RSND_REG_SSITDR,
  70         RSND_REG_SSIRDR,
  71         RSND_REG_SSIWSR,
  72
  73         /* SHARE see below */
  74         RSND_REG_SHARE01,
  75         RSND_REG_SHARE02,
  76         RSND_REG_SHARE03,
  77         RSND_REG_SHARE04,
  78         RSND_REG_SHARE05,
  79         RSND_REG_SHARE06,
  80         RSND_REG_SHARE07,
  81         RSND_REG_SHARE08,
  82         RSND_REG_SHARE09,
  83         RSND_REG_SHARE10,
  84         RSND_REG_SHARE11,
  85         RSND_REG_SHARE12,
  86         RSND_REG_SHARE13,
  87         RSND_REG_SHARE14,
  88         RSND_REG_SHARE15,
  89         RSND_REG_SHARE16,
  90         RSND_REG_SHARE17,
  91         RSND_REG_SHARE18,
  92         RSND_REG_SHARE19,
  93         RSND_REG_SHARE20,
  94         RSND_REG_SHARE21,
  95         RSND_REG_SHARE22,
  96         RSND_REG_SHARE23,
  97         RSND_REG_SHARE24,
  98         RSND_REG_SHARE25,
  99         RSND_REG_SHARE26,
 100         RSND_REG_SHARE27,
 101         RSND_REG_SHARE28,
 102
 103         RSND_REG_MAX,
 104 };
 105
 106 /* Gen1 only */
 107 #define RSND_REG_SRC_ROUTE_SEL          RSND_REG_SHARE01
 108 #define RSND_REG_SRC_TMG_SEL0           RSND_REG_SHARE02
 109 #define RSND_REG_SRC_TMG_SEL1           RSND_REG_SHARE03
 110 #define RSND_REG_SRC_TMG_SEL2           RSND_REG_SHARE04
 111 #define RSND_REG_SRC_ROUTE_CTRL         RSND_REG_SHARE05
 112 #define RSND_REG_SRC_MNFSR              RSND_REG_SHARE06
 113 #define RSND_REG_AUDIO_CLK_SEL3         RSND_REG_SHARE07
 114 #define RSND_REG_AUDIO_CLK_SEL4         RSND_REG_SHARE08
 115 #define RSND_REG_AUDIO_CLK_SEL5         RSND_REG_SHARE09
 116
 117 /* Gen2 only */
 118 #define RSND_REG_SRC_CTRL               RSND_REG_SHARE01
 119 #define RSND_REG_SSI_CTRL               RSND_REG_SHARE02
 120 #define RSND_REG_SSI_BUSIF_MODE         RSND_REG_SHARE03
 121 #define RSND_REG_SSI_BUSIF_ADINR        RSND_REG_SHARE04
 122 #define RSND_REG_INT_ENABLE             RSND_REG_SHARE05
 123 #define RSND_REG_SRC_BSDSR              RSND_REG_SHARE06
 124 #define RSND_REG_SRC_BSISR              RSND_REG_SHARE07
 125 #define RSND_REG_DIV_EN                 RSND_REG_SHARE08
 126 #define RSND_REG_SRCIN_TIMSEL0          RSND_REG_SHARE09
 127 #define RSND_REG_SRCIN_TIMSEL1          RSND_REG_SHARE10
 128 #define RSND_REG_SRCIN_TIMSEL2          RSND_REG_SHARE11
 129 #define RSND_REG_SRCIN_TIMSEL3          RSND_REG_SHARE12
 130 #define RSND_REG_SRCIN_TIMSEL4          RSND_REG_SHARE13
 131 #define RSND_REG_SRCOUT_TIMSEL0         RSND_REG_SHARE14
 132 #define RSND_REG_SRCOUT_TIMSEL1         RSND_REG_SHARE15
 133 #define RSND_REG_SRCOUT_TIMSEL2         RSND_REG_SHARE16
 134 #define RSND_REG_SRCOUT_TIMSEL3         RSND_REG_SHARE17
 135 #define RSND_REG_SRCOUT_TIMSEL4         RSND_REG_SHARE18
 136 #define RSND_REG_AUDIO_CLK_SEL2         RSND_REG_SHARE19
 137 #define RSND_REG_CMD_CTRL               RSND_REG_SHARE20
 138 #define RSND_REG_CMDOUT_TIMSEL          RSND_REG_SHARE21
 139 #define RSND_REG_BUSIF_DALIGN           RSND_REG_SHARE22
 140 #define RSND_REG_DVC_VRCTR              RSND_REG_SHARE23
 141 #define RSND_REG_DVC_VRPDR              RSND_REG_SHARE24
 142 #define RSND_REG_DVC_VRDBR              RSND_REG_SHARE25
 143 #define RSND_REG_SCU_SYS_STATUS1        RSND_REG_SHARE26
 144 #define RSND_REG_SCU_SYS_INT_EN1        RSND_REG_SHARE27
 145 #define RSND_REG_SRC_INT_ENABLE0        RSND_REG_SHARE28
 146
 147 struct rsnd_of_data;
 148 struct rsnd_priv;
 149 struct rsnd_mod;
 150 struct rsnd_dai;
 151 struct rsnd_dai_stream;
 152
 153 /*
 154  *      R-Car basic functions
 155  */
 156 #define rsnd_mod_read(m, r) \
 157         rsnd_read(rsnd_mod_to_priv(m), m, RSND_REG_##r)
 158 #define rsnd_mod_write(m, r, d) \
 159         rsnd_write(rsnd_mod_to_priv(m), m, RSND_REG_##r, d)
 160 #define rsnd_mod_bset(m, r, s, d) \
 161         rsnd_bset(rsnd_mod_to_priv(m), m, RSND_REG_##r, s, d)
 162
 163 u32 rsnd_read(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg);
 164 void rsnd_write(struct rsnd_priv *priv, struct rsnd_mod *mod,
 165                 enum rsnd_reg reg, u32 data);
 166 void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg,
 167                     u32 mask, u32 data);
 168 u32 rsnd_get_adinr(struct rsnd_mod *mod);
 169
 170 /*
 171  *      R-Car DMA
 172  */
 173 struct rsnd_dma;
 174 struct rsnd_dma_ops {
 175         void (*start)(struct rsnd_dma *dma);
 176         void (*stop)(struct rsnd_dma *dma);
 177         int (*init)(struct rsnd_priv *priv, struct rsnd_dma *dma, int id,
 178                     struct rsnd_mod *mod_from, struct rsnd_mod *mod_to);
 179         void  (*quit)(struct rsnd_dma *dma);
 180 };
 181
 182 struct rsnd_dmaen {
 183         struct dma_chan         *chan;
 184 };
 185
 186 struct rsnd_dmapp {
 187         int                     dmapp_id;
 188         u32                     chcr;
 189 };
 190
 191 struct rsnd_dma {
 192         struct rsnd_dma_ops     *ops;
 193         dma_addr_t              src_addr;
 194         dma_addr_t              dst_addr;
 195         union {
 196                 struct rsnd_dmaen en;
 197                 struct rsnd_dmapp pp;
 198         } dma;
 199 };
 200 #define rsnd_dma_to_dmaen(dma)  (&(dma)->dma.en)
 201 #define rsnd_dma_to_dmapp(dma)  (&(dma)->dma.pp)
 202
 203 void rsnd_dma_start(struct rsnd_dma *dma);
 204 void rsnd_dma_stop(struct rsnd_dma *dma);
 205 int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma, int id);
 206 void  rsnd_dma_quit(struct rsnd_dma *dma);
 207 int rsnd_dma_probe(struct platform_device *pdev,
 208                    const struct rsnd_of_data *of_data,
 209                    struct rsnd_priv *priv);
 210 struct dma_chan *rsnd_dma_request_channel(struct device_node *of_node,
 211                                           struct rsnd_mod *mod, char *name);
 212
 213 #define rsnd_dma_to_mod(_dma) container_of((_dma), struct rsnd_mod, dma)
 214
 215 /*
 216  *      R-Car sound mod
 217  */
 218 enum rsnd_mod_type {
 219         RSND_MOD_DVC = 0,
 220         RSND_MOD_SRC,
 221         RSND_MOD_SSI,
 222         RSND_MOD_MAX,
 223 };
 224
 225 struct rsnd_mod_ops {
 226         char *name;
 227         struct dma_chan* (*dma_req)(struct rsnd_mod *mod);
 228         int (*probe)(struct rsnd_mod *mod,
 229                      struct rsnd_priv *priv);
 230         int (*remove)(struct rsnd_mod *mod,
 231                       struct rsnd_priv *priv);
 232         int (*init)(struct rsnd_mod *mod,
 233                     struct rsnd_priv *priv);
 234         int (*quit)(struct rsnd_mod *mod,
 235                     struct rsnd_priv *priv);
 236         int (*start)(struct rsnd_mod *mod,
 237                      struct rsnd_priv *priv);
 238         int (*stop)(struct rsnd_mod *mod,
 239                     struct rsnd_priv *priv);
 240         int (*pcm_new)(struct rsnd_mod *mod,
 241                        struct snd_soc_pcm_runtime *rtd);
 242         int (*hw_params)(struct rsnd_mod *mod,
 243                          struct snd_pcm_substream *substream,
 244                          struct snd_pcm_hw_params *hw_params);
 245         int (*fallback)(struct rsnd_mod *mod,
 246                         struct rsnd_priv *priv);
 247 };
 248
 249 struct rsnd_dai_stream;
 250 struct rsnd_mod {
 251         int id;
 252         enum rsnd_mod_type type;
 253         struct rsnd_mod_ops *ops;
 254         struct rsnd_dma dma;
 255         struct rsnd_dai_stream *io;
 256         struct clk *clk;
 257         u32 status;
 258 };
 259 /*
 260  * status
 261  *
 262  * bit
 263  * 0    0: probe        1: remove
 264  * 1    0: init         1: quit
 265  * 2    0: start        1: stop
 266  * 3    0: pcm_new
 267  * 4    0: fallback
 268  *
 269  * 31 bit is always called (see __rsnd_mod_call)
 270  * 31   0: hw_params
 271  */
 272 #define __rsnd_mod_shift_probe          0
 273 #define __rsnd_mod_shift_remove         0
 274 #define __rsnd_mod_shift_init           1
 275 #define __rsnd_mod_shift_quit           1
 276 #define __rsnd_mod_shift_start          2
 277 #define __rsnd_mod_shift_stop           2
 278 #define __rsnd_mod_shift_pcm_new        3
 279 #define __rsnd_mod_shift_fallback       4
 280 #define __rsnd_mod_shift_hw_params      31 /* always called */
 281
 282 #define __rsnd_mod_call_probe           0
 283 #define __rsnd_mod_call_remove          1
 284 #define __rsnd_mod_call_init            0
 285 #define __rsnd_mod_call_quit            1
 286 #define __rsnd_mod_call_start           0
 287 #define __rsnd_mod_call_stop            1
 288 #define __rsnd_mod_call_pcm_new         0
 289 #define __rsnd_mod_call_fallback        0
 290 #define __rsnd_mod_call_hw_params       0
 291
 292 #define rsnd_mod_to_priv(mod) (rsnd_io_to_priv(rsnd_mod_to_io(mod)))
 293 #define rsnd_mod_to_dma(mod) (&(mod)->dma)
 294 #define rsnd_mod_to_io(mod) ((mod)->io)
 295 #define rsnd_mod_id(mod) ((mod)->id)
 296 #define rsnd_mod_hw_start(mod)  clk_enable((mod)->clk)
 297 #define rsnd_mod_hw_stop(mod)   clk_disable((mod)->clk)
 298
 299 int rsnd_mod_init(struct rsnd_mod *mod,
 300                    struct rsnd_mod_ops *ops,
 301                    struct clk *clk,
 302                    enum rsnd_mod_type type,
 303                    int id);
 304 void rsnd_mod_quit(struct rsnd_mod *mod);
 305 char *rsnd_mod_name(struct rsnd_mod *mod);
 306 struct dma_chan *rsnd_mod_dma_req(struct rsnd_mod *mod);
 307
 308 /*
 309  *      R-Car sound DAI
 310  */
 311 #define RSND_DAI_NAME_SIZE      16
 312 struct rsnd_dai_stream {
 313         char name[RSND_DAI_NAME_SIZE];
 314         struct snd_pcm_substream *substream;
 315         struct rsnd_mod *mod[RSND_MOD_MAX];
 316         struct rsnd_dai_path_info *info; /* rcar_snd.h */
 317         struct rsnd_dai *rdai;
 318         int byte_pos;
 319         int period_pos;
 320         int byte_per_period;
 321         int next_period_byte;
 322 };
 323 #define rsnd_io_to_mod_ssi(io)  ((io)->mod[RSND_MOD_SSI])
 324 #define rsnd_io_to_mod_src(io)  ((io)->mod[RSND_MOD_SRC])
 325 #define rsnd_io_to_mod_dvc(io)  ((io)->mod[RSND_MOD_DVC])
 326 #define rsnd_io_to_rdai(io)     ((io)->rdai)
 327 #define rsnd_io_to_priv(io)     (rsnd_rdai_to_priv(rsnd_io_to_rdai(io)))
 328 #define rsnd_io_is_play(io)     (&rsnd_io_to_rdai(io)->playback == io)
 329 #define rsnd_io_to_runtime(io) ((io)->substream ? \
 330                                 (io)->substream->runtime : NULL)
 331
 332
 333 struct rsnd_dai {
 334         char name[RSND_DAI_NAME_SIZE];
 335         struct rsnd_dai_stream playback;
 336         struct rsnd_dai_stream capture;
 337         struct rsnd_priv *priv;
 338
 339         unsigned int clk_master:1;
 340         unsigned int bit_clk_inv:1;
 341         unsigned int frm_clk_inv:1;
 342         unsigned int sys_delay:1;
 343         unsigned int data_alignment:1;
 344 };
 345
 346 #define rsnd_rdai_nr(priv) ((priv)->rdai_nr)
 347 #define rsnd_rdai_is_clk_master(rdai) ((rdai)->clk_master)
 348 #define rsnd_rdai_to_priv(rdai) ((rdai)->priv)
 349 #define for_each_rsnd_dai(rdai, priv, i)                \
 350         for (i = 0;                                     \
 351              (i < rsnd_rdai_nr(priv)) &&                \
 352              ((rdai) = rsnd_rdai_get(priv, i));         \
 353              i++)
 354
 355 struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id);
 356
 357 void rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int cnt);
 358 int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional);
 359
 360 /*
 361  *      R-Car Gen1/Gen2
 362  */
 363 int rsnd_gen_probe(struct platform_device *pdev,
 364                    const struct rsnd_of_data *of_data,
 365                    struct rsnd_priv *priv);
 366 void __iomem *rsnd_gen_reg_get(struct rsnd_priv *priv,
 367                                struct rsnd_mod *mod,
 368                                enum rsnd_reg reg);
 369 phys_addr_t rsnd_gen_get_phy_addr(struct rsnd_priv *priv, int reg_id);
 370
 371 #define rsnd_is_gen1(s)         (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN1)
 372 #define rsnd_is_gen2(s)         (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN2)
 373
 374 /*
 375  *      R-Car ADG
 376  */
 377 int rsnd_adg_ssi_clk_stop(struct rsnd_mod *mod);
 378 int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *mod, unsigned int rate);
 379 int rsnd_adg_probe(struct platform_device *pdev,
 380                    const struct rsnd_of_data *of_data,
 381                    struct rsnd_priv *priv);
 382 int rsnd_adg_set_convert_clk_gen1(struct rsnd_priv *priv,
 383                                   struct rsnd_mod *mod,
 384                                   unsigned int src_rate,
 385                                   unsigned int dst_rate);
 386 int rsnd_adg_set_convert_clk_gen2(struct rsnd_mod *mod,
 387                                   struct rsnd_dai_stream *io,
 388                                   unsigned int src_rate,
 389                                   unsigned int dst_rate);
 390 int rsnd_adg_set_convert_timing_gen2(struct rsnd_mod *mod,
 391                                      struct rsnd_dai_stream *io);
 392 int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_mod *mod,
 393                                  struct rsnd_dai_stream *io);
 394
 395 /*
 396  *      R-Car sound priv
 397  */
 398 struct rsnd_of_data {
 399         u32 flags;
 400 };
 401
 402 struct rsnd_priv {
 403
 404         struct platform_device *pdev;
 405         struct rcar_snd_info *info;
 406         spinlock_t lock;
 407
 408         /*
 409          * below value will be filled on rsnd_gen_probe()
 410          */
 411         void *gen;
 412
 413         /*
 414          * below value will be filled on rsnd_src_probe()
 415          */
 416         void *src;
 417         int src_nr;
 418
 419         /*
 420          * below value will be filled on rsnd_adg_probe()
 421          */
 422         void *adg;
 423
 424         /*
 425          * below value will be filled on rsnd_dma_probe()
 426          */
 427         void *dma;
 428
 429         /*
 430          * below value will be filled on rsnd_ssi_probe()
 431          */
 432         void *ssi;
 433         int ssi_nr;
 434
 435         /*
 436          * below value will be filled on rsnd_dvc_probe()
 437          */
 438         void *dvc;
 439         int dvc_nr;
 440
 441         /*
 442          * below value will be filled on rsnd_dai_probe()
 443          */
 444         struct snd_soc_dai_driver *daidrv;
 445         struct rsnd_dai *rdai;
 446         int rdai_nr;
 447 };
 448
 449 #define rsnd_priv_to_pdev(priv) ((priv)->pdev)
 450 #define rsnd_priv_to_dev(priv)  (&(rsnd_priv_to_pdev(priv)->dev))
 451 #define rsnd_priv_to_info(priv) ((priv)->info)
 452 #define rsnd_lock(priv, flags) spin_lock_irqsave(&priv->lock, flags)
 453 #define rsnd_unlock(priv, flags) spin_unlock_irqrestore(&priv->lock, flags)
 454
 455 /*
 456  *      rsnd_kctrl
 457  */
 458 struct rsnd_kctrl_cfg {
 459         unsigned int max;
 460         unsigned int size;
 461         u32 *val;
 462         const char * const *texts;
 463         void (*update)(struct rsnd_mod *mod);
 464         struct snd_card *card;
 465         struct snd_kcontrol *kctrl;
 466 };
 467
 468 #define RSND_DVC_CHANNELS       2
 469 struct rsnd_kctrl_cfg_m {
 470         struct rsnd_kctrl_cfg cfg;
 471         u32 val[RSND_DVC_CHANNELS];
 472 };
 473
 474 struct rsnd_kctrl_cfg_s {
 475         struct rsnd_kctrl_cfg cfg;
 476         u32 val;
 477 };
 478
 479 void _rsnd_kctrl_remove(struct rsnd_kctrl_cfg *cfg);
 480 #define rsnd_kctrl_remove(_cfg) _rsnd_kctrl_remove(&((_cfg).cfg))
 481
 482 int rsnd_kctrl_new_m(struct rsnd_mod *mod,
 483                      struct snd_soc_pcm_runtime *rtd,
 484                      const unsigned char *name,
 485                      void (*update)(struct rsnd_mod *mod),
 486                      struct rsnd_kctrl_cfg_m *_cfg,
 487                      u32 max);
 488 int rsnd_kctrl_new_s(struct rsnd_mod *mod,
 489                      struct snd_soc_pcm_runtime *rtd,
 490                      const unsigned char *name,
 491                      void (*update)(struct rsnd_mod *mod),
 492                      struct rsnd_kctrl_cfg_s *_cfg,
 493                      u32 max);
 494 int rsnd_kctrl_new_e(struct rsnd_mod *mod,
 495                      struct snd_soc_pcm_runtime *rtd,
 496                      const unsigned char *name,
 497                      struct rsnd_kctrl_cfg_s *_cfg,
 498                      void (*update)(struct rsnd_mod *mod),
 499                      const char * const *texts,
 500                      u32 max);
 501
 502 /*
 503  *      R-Car SRC
 504  */
 505 int rsnd_src_probe(struct platform_device *pdev,
 506                    const struct rsnd_of_data *of_data,
 507                    struct rsnd_priv *priv);
 508 void rsnd_src_remove(struct platform_device *pdev,
 509                      struct rsnd_priv *priv);
 510 struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id);
 511 unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv,
 512                                    struct rsnd_dai_stream *io,
 513                                    struct snd_pcm_runtime *runtime);
 514 int rsnd_src_ssiu_start(struct rsnd_mod *ssi_mod,
 515                         int use_busif);
 516 int rsnd_src_ssiu_stop(struct rsnd_mod *ssi_mod);
 517 int rsnd_src_ssi_irq_enable(struct rsnd_mod *ssi_mod);
 518 int rsnd_src_ssi_irq_disable(struct rsnd_mod *ssi_mod);
 519
 520 #define rsnd_src_nr(priv) ((priv)->src_nr)
 521
 522 /*
 523  *      R-Car SSI
 524  */
 525 int rsnd_ssi_probe(struct platform_device *pdev,
 526                    const struct rsnd_of_data *of_data,
 527                    struct rsnd_priv *priv);
 528 void rsnd_ssi_remove(struct platform_device *pdev,
 529                      struct rsnd_priv *priv);
 530 struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id);
 531 int rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod);
 532 int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod);
 533 int rsnd_ssi_use_busif(struct rsnd_mod *mod);
 534
 535 /*
 536  *      R-Car DVC
 537  */
 538 int rsnd_dvc_probe(struct platform_device *pdev,
 539                    const struct rsnd_of_data *of_data,
 540                    struct rsnd_priv *priv);
 541 void rsnd_dvc_remove(struct platform_device *pdev,
 542                      struct rsnd_priv *priv);
 543 struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id);
 544
 545 #define rsnd_dvc_nr(priv) ((priv)->dvc_nr)
 546
 547
 548 #endif