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 RSND_REG_SHARE29, 103 104 RSND_REG_MAX, 105 }; 106 107 /* Gen1 only */ 108 #define RSND_REG_SRC_ROUTE_SEL RSND_REG_SHARE01 109 #define RSND_REG_SRC_TMG_SEL0 RSND_REG_SHARE02 110 #define RSND_REG_SRC_TMG_SEL1 RSND_REG_SHARE03 111 #define RSND_REG_SRC_TMG_SEL2 RSND_REG_SHARE04 112 #define RSND_REG_SRC_ROUTE_CTRL RSND_REG_SHARE05 113 #define RSND_REG_SRC_MNFSR RSND_REG_SHARE06 114 #define RSND_REG_AUDIO_CLK_SEL3 RSND_REG_SHARE07 115 #define RSND_REG_AUDIO_CLK_SEL4 RSND_REG_SHARE08 116 #define RSND_REG_AUDIO_CLK_SEL5 RSND_REG_SHARE09 117 118 /* Gen2 only */ 119 #define RSND_REG_SRC_CTRL RSND_REG_SHARE01 120 #define RSND_REG_SSI_CTRL RSND_REG_SHARE02 121 #define RSND_REG_SSI_BUSIF_MODE RSND_REG_SHARE03 122 #define RSND_REG_SSI_BUSIF_ADINR RSND_REG_SHARE04 123 #define RSND_REG_SSI_INT_ENABLE RSND_REG_SHARE05 124 #define RSND_REG_SRC_BSDSR RSND_REG_SHARE06 125 #define RSND_REG_SRC_BSISR RSND_REG_SHARE07 126 #define RSND_REG_DIV_EN RSND_REG_SHARE08 127 #define RSND_REG_SRCIN_TIMSEL0 RSND_REG_SHARE09 128 #define RSND_REG_SRCIN_TIMSEL1 RSND_REG_SHARE10 129 #define RSND_REG_SRCIN_TIMSEL2 RSND_REG_SHARE11 130 #define RSND_REG_SRCIN_TIMSEL3 RSND_REG_SHARE12 131 #define RSND_REG_SRCIN_TIMSEL4 RSND_REG_SHARE13 132 #define RSND_REG_SRCOUT_TIMSEL0 RSND_REG_SHARE14 133 #define RSND_REG_SRCOUT_TIMSEL1 RSND_REG_SHARE15 134 #define RSND_REG_SRCOUT_TIMSEL2 RSND_REG_SHARE16 135 #define RSND_REG_SRCOUT_TIMSEL3 RSND_REG_SHARE17 136 #define RSND_REG_SRCOUT_TIMSEL4 RSND_REG_SHARE18 137 #define RSND_REG_AUDIO_CLK_SEL2 RSND_REG_SHARE19 138 #define RSND_REG_CMD_CTRL RSND_REG_SHARE20 139 #define RSND_REG_CMDOUT_TIMSEL RSND_REG_SHARE21 140 #define RSND_REG_SSI_BUSIF_DALIGN RSND_REG_SHARE22 141 #define RSND_REG_DVC_VRCTR RSND_REG_SHARE23 142 #define RSND_REG_DVC_VRPDR RSND_REG_SHARE24 143 #define RSND_REG_DVC_VRDBR RSND_REG_SHARE25 144 #define RSND_REG_SCU_SYS_STATUS1 RSND_REG_SHARE26 145 #define RSND_REG_SCU_SYS_INT_EN1 RSND_REG_SHARE27 146 #define RSND_REG_SRC_INT_ENABLE0 RSND_REG_SHARE28 147 #define RSND_REG_SRC_BUSIF_DALIGN RSND_REG_SHARE29 148 149 struct rsnd_of_data; 150 struct rsnd_priv; 151 struct rsnd_mod; 152 struct rsnd_dai; 153 struct rsnd_dai_stream; 154 155 /* 156 * R-Car basic functions 157 */ 158 #define rsnd_mod_read(m, r) \ 159 rsnd_read(rsnd_mod_to_priv(m), m, RSND_REG_##r) 160 #define rsnd_mod_write(m, r, d) \ 161 rsnd_write(rsnd_mod_to_priv(m), m, RSND_REG_##r, d) 162 #define rsnd_mod_force_write(m, r, d) \ 163 rsnd_force_write(rsnd_mod_to_priv(m), m, RSND_REG_##r, d) 164 #define rsnd_mod_bset(m, r, s, d) \ 165 rsnd_bset(rsnd_mod_to_priv(m), m, RSND_REG_##r, s, d) 166 167 u32 rsnd_read(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg); 168 void rsnd_write(struct rsnd_priv *priv, struct rsnd_mod *mod, 169 enum rsnd_reg reg, u32 data); 170 void rsnd_force_write(struct rsnd_priv *priv, struct rsnd_mod *mod, 171 enum rsnd_reg reg, u32 data); 172 void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg, 173 u32 mask, u32 data); 174 u32 rsnd_get_adinr_bit(struct rsnd_mod *mod, struct rsnd_dai_stream *io); 175 u32 rsnd_get_adinr_chan(struct rsnd_mod *mod, struct rsnd_dai_stream *io); 176 u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io); 177 void rsnd_path_parse(struct rsnd_priv *priv, 178 struct rsnd_dai_stream *io); 179 180 /* 181 * R-Car DMA 182 */ 183 struct rsnd_dma; 184 struct rsnd_dma_ops { 185 void (*start)(struct rsnd_dai_stream *io, struct rsnd_dma *dma); 186 void (*stop)(struct rsnd_dai_stream *io, struct rsnd_dma *dma); 187 int (*init)(struct rsnd_dai_stream *io, struct rsnd_dma *dma, int id, 188 struct rsnd_mod *mod_from, struct rsnd_mod *mod_to); 189 void (*quit)(struct rsnd_dai_stream *io, struct rsnd_dma *dma); 190 }; 191 192 struct rsnd_dmaen { 193 struct dma_chan *chan; 194 }; 195 196 struct rsnd_dmapp { 197 int dmapp_id; 198 u32 chcr; 199 }; 200 201 struct rsnd_dma { 202 struct rsnd_dma_ops *ops; 203 dma_addr_t src_addr; 204 dma_addr_t dst_addr; 205 union { 206 struct rsnd_dmaen en; 207 struct rsnd_dmapp pp; 208 } dma; 209 }; 210 #define rsnd_dma_to_dmaen(dma) (&(dma)->dma.en) 211 #define rsnd_dma_to_dmapp(dma) (&(dma)->dma.pp) 212 213 void rsnd_dma_start(struct rsnd_dai_stream *io, struct rsnd_dma *dma); 214 void rsnd_dma_stop(struct rsnd_dai_stream *io, struct rsnd_dma *dma); 215 int rsnd_dma_init(struct rsnd_dai_stream *io, struct rsnd_dma *dma, int id); 216 void rsnd_dma_quit(struct rsnd_dai_stream *io, struct rsnd_dma *dma); 217 int rsnd_dma_probe(struct platform_device *pdev, 218 const struct rsnd_of_data *of_data, 219 struct rsnd_priv *priv); 220 struct dma_chan *rsnd_dma_request_channel(struct device_node *of_node, 221 struct rsnd_mod *mod, char *name); 222 223 #define rsnd_dma_to_mod(_dma) container_of((_dma), struct rsnd_mod, dma) 224 225 /* 226 * R-Car sound mod 227 */ 228 enum rsnd_mod_type { 229 RSND_MOD_DVC = 0, 230 RSND_MOD_SRC, 231 RSND_MOD_SSI, 232 RSND_MOD_MAX, 233 }; 234 235 struct rsnd_mod_ops { 236 char *name; 237 struct dma_chan* (*dma_req)(struct rsnd_dai_stream *io, 238 struct rsnd_mod *mod); 239 int (*probe)(struct rsnd_mod *mod, 240 struct rsnd_dai_stream *io, 241 struct rsnd_priv *priv); 242 int (*remove)(struct rsnd_mod *mod, 243 struct rsnd_dai_stream *io, 244 struct rsnd_priv *priv); 245 int (*init)(struct rsnd_mod *mod, 246 struct rsnd_dai_stream *io, 247 struct rsnd_priv *priv); 248 int (*quit)(struct rsnd_mod *mod, 249 struct rsnd_dai_stream *io, 250 struct rsnd_priv *priv); 251 int (*start)(struct rsnd_mod *mod, 252 struct rsnd_dai_stream *io, 253 struct rsnd_priv *priv); 254 int (*stop)(struct rsnd_mod *mod, 255 struct rsnd_dai_stream *io, 256 struct rsnd_priv *priv); 257 int (*pcm_new)(struct rsnd_mod *mod, 258 struct rsnd_dai_stream *io, 259 struct snd_soc_pcm_runtime *rtd); 260 int (*hw_params)(struct rsnd_mod *mod, 261 struct rsnd_dai_stream *io, 262 struct snd_pcm_substream *substream, 263 struct snd_pcm_hw_params *hw_params); 264 int (*fallback)(struct rsnd_mod *mod, 265 struct rsnd_dai_stream *io, 266 struct rsnd_priv *priv); 267 }; 268 269 struct rsnd_dai_stream; 270 struct rsnd_mod { 271 int id; 272 enum rsnd_mod_type type; 273 struct rsnd_mod_ops *ops; 274 struct rsnd_dma dma; 275 struct rsnd_priv *priv; 276 struct clk *clk; 277 u32 status; 278 }; 279 /* 280 * status 281 * 282 * 0xH0000CBA 283 * 284 * A 0: probe 1: remove 285 * B 0: init 1: quit 286 * C 0: start 1: stop 287 * 288 * H is always called (see __rsnd_mod_call) 289 * H 0: pcm_new 290 * H 0: fallback 291 * H 0: hw_params 292 */ 293 #define __rsnd_mod_shift_probe 0 294 #define __rsnd_mod_shift_remove 0 295 #define __rsnd_mod_shift_init 4 296 #define __rsnd_mod_shift_quit 4 297 #define __rsnd_mod_shift_start 8 298 #define __rsnd_mod_shift_stop 8 299 #define __rsnd_mod_shift_pcm_new 28 /* always called */ 300 #define __rsnd_mod_shift_fallback 28 /* always called */ 301 #define __rsnd_mod_shift_hw_params 28 /* always called */ 302 303 #define __rsnd_mod_add_probe 1 304 #define __rsnd_mod_add_remove -1 305 #define __rsnd_mod_add_init 1 306 #define __rsnd_mod_add_quit -1 307 #define __rsnd_mod_add_start 1 308 #define __rsnd_mod_add_stop -1 309 #define __rsnd_mod_add_pcm_new 0 310 #define __rsnd_mod_add_fallback 0 311 #define __rsnd_mod_add_hw_params 0 312 313 #define __rsnd_mod_call_probe 0 314 #define __rsnd_mod_call_remove 1 315 #define __rsnd_mod_call_init 0 316 #define __rsnd_mod_call_quit 1 317 #define __rsnd_mod_call_start 0 318 #define __rsnd_mod_call_stop 1 319 #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_to_dma(mod) (&(mod)->dma) 325 #define rsnd_mod_id(mod) ((mod) ? (mod)->id : -1) 326 #define rsnd_mod_hw_start(mod) clk_enable((mod)->clk) 327 #define rsnd_mod_hw_stop(mod) clk_disable((mod)->clk) 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 enum rsnd_mod_type type, 334 int id); 335 void rsnd_mod_quit(struct rsnd_mod *mod); 336 char *rsnd_mod_name(struct rsnd_mod *mod); 337 struct dma_chan *rsnd_mod_dma_req(struct rsnd_dai_stream *io, 338 struct rsnd_mod *mod); 339 void rsnd_mod_interrupt(struct rsnd_mod *mod, 340 void (*callback)(struct rsnd_mod *mod, 341 struct rsnd_dai_stream *io)); 342 343 /* 344 * R-Car sound DAI 345 */ 346 #define RSND_DAI_NAME_SIZE 16 347 struct rsnd_dai_stream { 348 char name[RSND_DAI_NAME_SIZE]; 349 struct snd_pcm_substream *substream; 350 struct rsnd_mod *mod[RSND_MOD_MAX]; 351 struct rsnd_dai_path_info *info; /* rcar_snd.h */ 352 struct rsnd_dai *rdai; 353 int byte_pos; 354 int period_pos; 355 int byte_per_period; 356 int next_period_byte; 357 }; 358 #define rsnd_io_to_mod_ssi(io) ((io)->mod[RSND_MOD_SSI]) 359 #define rsnd_io_to_mod_src(io) ((io)->mod[RSND_MOD_SRC]) 360 #define rsnd_io_to_mod_dvc(io) ((io)->mod[RSND_MOD_DVC]) 361 #define rsnd_io_to_rdai(io) ((io)->rdai) 362 #define rsnd_io_to_priv(io) (rsnd_rdai_to_priv(rsnd_io_to_rdai(io))) 363 #define rsnd_io_is_play(io) (&rsnd_io_to_rdai(io)->playback == io) 364 #define rsnd_io_to_runtime(io) ((io)->substream ? \ 365 (io)->substream->runtime : NULL) 366 int rsnd_io_is_working(struct rsnd_dai_stream *io); 367 368 struct rsnd_dai { 369 char name[RSND_DAI_NAME_SIZE]; 370 struct rsnd_dai_stream playback; 371 struct rsnd_dai_stream capture; 372 struct rsnd_priv *priv; 373 374 unsigned int clk_master:1; 375 unsigned int bit_clk_inv:1; 376 unsigned int frm_clk_inv:1; 377 unsigned int sys_delay:1; 378 unsigned int data_alignment:1; 379 }; 380 381 #define rsnd_rdai_nr(priv) ((priv)->rdai_nr) 382 #define rsnd_rdai_is_clk_master(rdai) ((rdai)->clk_master) 383 #define rsnd_rdai_to_priv(rdai) ((rdai)->priv) 384 #define for_each_rsnd_dai(rdai, priv, i) \ 385 for (i = 0; \ 386 (i < rsnd_rdai_nr(priv)) && \ 387 ((rdai) = rsnd_rdai_get(priv, i)); \ 388 i++) 389 390 struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id); 391 392 bool rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int cnt); 393 void rsnd_dai_period_elapsed(struct rsnd_dai_stream *io); 394 int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional); 395 396 /* 397 * R-Car Gen1/Gen2 398 */ 399 int rsnd_gen_probe(struct platform_device *pdev, 400 const struct rsnd_of_data *of_data, 401 struct rsnd_priv *priv); 402 void __iomem *rsnd_gen_reg_get(struct rsnd_priv *priv, 403 struct rsnd_mod *mod, 404 enum rsnd_reg reg); 405 phys_addr_t rsnd_gen_get_phy_addr(struct rsnd_priv *priv, int reg_id); 406 407 #define rsnd_is_gen1(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN1) 408 #define rsnd_is_gen2(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN2) 409 410 /* 411 * R-Car ADG 412 */ 413 int rsnd_adg_ssi_clk_stop(struct rsnd_mod *mod); 414 int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *mod, unsigned int rate); 415 int rsnd_adg_probe(struct platform_device *pdev, 416 const struct rsnd_of_data *of_data, 417 struct rsnd_priv *priv); 418 int rsnd_adg_set_convert_clk_gen1(struct rsnd_priv *priv, 419 struct rsnd_mod *mod, 420 unsigned int src_rate, 421 unsigned int dst_rate); 422 int rsnd_adg_set_convert_clk_gen2(struct rsnd_mod *mod, 423 struct rsnd_dai_stream *io, 424 unsigned int src_rate, 425 unsigned int dst_rate); 426 int rsnd_adg_set_convert_timing_gen2(struct rsnd_mod *mod, 427 struct rsnd_dai_stream *io); 428 int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_mod *mod, 429 struct rsnd_dai_stream *io); 430 431 /* 432 * R-Car sound priv 433 */ 434 struct rsnd_of_data { 435 u32 flags; 436 }; 437 438 struct rsnd_priv { 439 440 struct platform_device *pdev; 441 struct rcar_snd_info *info; 442 spinlock_t lock; 443 444 /* 445 * below value will be filled on rsnd_gen_probe() 446 */ 447 void *gen; 448 449 /* 450 * below value will be filled on rsnd_src_probe() 451 */ 452 void *src; 453 int src_nr; 454 455 /* 456 * below value will be filled on rsnd_adg_probe() 457 */ 458 void *adg; 459 460 /* 461 * below value will be filled on rsnd_dma_probe() 462 */ 463 void *dma; 464 465 /* 466 * below value will be filled on rsnd_ssi_probe() 467 */ 468 void *ssi; 469 int ssi_nr; 470 471 /* 472 * below value will be filled on rsnd_dvc_probe() 473 */ 474 void *dvc; 475 int dvc_nr; 476 477 /* 478 * below value will be filled on rsnd_dai_probe() 479 */ 480 struct snd_soc_dai_driver *daidrv; 481 struct rsnd_dai *rdai; 482 int rdai_nr; 483 }; 484 485 #define rsnd_priv_to_pdev(priv) ((priv)->pdev) 486 #define rsnd_priv_to_dev(priv) (&(rsnd_priv_to_pdev(priv)->dev)) 487 #define rsnd_priv_to_info(priv) ((priv)->info) 488 489 /* 490 * rsnd_kctrl 491 */ 492 struct rsnd_kctrl_cfg { 493 unsigned int max; 494 unsigned int size; 495 u32 *val; 496 const char * const *texts; 497 void (*update)(struct rsnd_dai_stream *io, struct rsnd_mod *mod); 498 struct rsnd_dai_stream *io; 499 struct snd_card *card; 500 struct snd_kcontrol *kctrl; 501 }; 502 503 #define RSND_DVC_CHANNELS 2 504 struct rsnd_kctrl_cfg_m { 505 struct rsnd_kctrl_cfg cfg; 506 u32 val[RSND_DVC_CHANNELS]; 507 }; 508 509 struct rsnd_kctrl_cfg_s { 510 struct rsnd_kctrl_cfg cfg; 511 u32 val; 512 }; 513 514 void _rsnd_kctrl_remove(struct rsnd_kctrl_cfg *cfg); 515 #define rsnd_kctrl_remove(_cfg) _rsnd_kctrl_remove(&((_cfg).cfg)) 516 517 int rsnd_kctrl_new_m(struct rsnd_mod *mod, 518 struct rsnd_dai_stream *io, 519 struct snd_soc_pcm_runtime *rtd, 520 const unsigned char *name, 521 void (*update)(struct rsnd_dai_stream *io, 522 struct rsnd_mod *mod), 523 struct rsnd_kctrl_cfg_m *_cfg, 524 u32 max); 525 int rsnd_kctrl_new_s(struct rsnd_mod *mod, 526 struct rsnd_dai_stream *io, 527 struct snd_soc_pcm_runtime *rtd, 528 const unsigned char *name, 529 void (*update)(struct rsnd_dai_stream *io, 530 struct rsnd_mod *mod), 531 struct rsnd_kctrl_cfg_s *_cfg, 532 u32 max); 533 int rsnd_kctrl_new_e(struct rsnd_mod *mod, 534 struct rsnd_dai_stream *io, 535 struct snd_soc_pcm_runtime *rtd, 536 const unsigned char *name, 537 struct rsnd_kctrl_cfg_s *_cfg, 538 void (*update)(struct rsnd_dai_stream *io, 539 struct rsnd_mod *mod), 540 const char * const *texts, 541 u32 max); 542 543 /* 544 * R-Car SRC 545 */ 546 int rsnd_src_probe(struct platform_device *pdev, 547 const struct rsnd_of_data *of_data, 548 struct rsnd_priv *priv); 549 void rsnd_src_remove(struct platform_device *pdev, 550 struct rsnd_priv *priv); 551 struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id); 552 unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv, 553 struct rsnd_dai_stream *io, 554 struct snd_pcm_runtime *runtime); 555 int rsnd_src_ssiu_start(struct rsnd_mod *ssi_mod, 556 struct rsnd_dai_stream *io, 557 int use_busif); 558 int rsnd_src_ssiu_stop(struct rsnd_mod *ssi_mod, 559 struct rsnd_dai_stream *io); 560 int rsnd_src_ssi_irq_enable(struct rsnd_mod *ssi_mod); 561 int rsnd_src_ssi_irq_disable(struct rsnd_mod *ssi_mod); 562 563 /* 564 * R-Car SSI 565 */ 566 int rsnd_ssi_probe(struct platform_device *pdev, 567 const struct rsnd_of_data *of_data, 568 struct rsnd_priv *priv); 569 void rsnd_ssi_remove(struct platform_device *pdev, 570 struct rsnd_priv *priv); 571 struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id); 572 int rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod); 573 int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod); 574 int rsnd_ssi_use_busif(struct rsnd_dai_stream *io, struct rsnd_mod *mod); 575 576 /* 577 * R-Car DVC 578 */ 579 int rsnd_dvc_probe(struct platform_device *pdev, 580 const struct rsnd_of_data *of_data, 581 struct rsnd_priv *priv); 582 void rsnd_dvc_remove(struct platform_device *pdev, 583 struct rsnd_priv *priv); 584 struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id); 585 586 #endif 587