sound/soc/sh/rcar/rsnd.h - kernel/msm-4.19 - Gitiles

 /*
  * Renesas R-Car
  *
  * Copyright (C) 2013 Renesas Solutions Corp.
  * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
 #ifndef RSND_H
 #define RSND_H

 #include <linux/clk.h>
 #include <linux/device.h>
 #include <linux/dma-mapping.h>
 #include <linux/io.h>
 #include <linux/list.h>
 #include <linux/module.h>
 #include <linux/of_device.h>
 #include <linux/of_irq.h>
 #include <linux/sh_dma.h>
 #include <linux/workqueue.h>
 #include <sound/rcar_snd.h>
 #include <sound/soc.h>
 #include <sound/pcm_params.h>

 /*
  *	pseudo register
  *
  * The register address offsets SRU/SCU/SSIU on Gen1/Gen2 are very different.
  * This driver uses pseudo register in order to hide it.
  * see gen1/gen2 for detail
  */
 enum rsnd_reg {
 	/* SRU/SCU/SSIU */
 	RSND_REG_SSI_MODE0,
 	RSND_REG_SSI_MODE1,
 	RSND_REG_SRC_BUSIF_MODE,
 	RSND_REG_SRC_ROUTE_MODE0,
 	RSND_REG_SRC_SWRSR,
 	RSND_REG_SRC_SRCIR,
 	RSND_REG_SRC_ADINR,
 	RSND_REG_SRC_IFSCR,
 	RSND_REG_SRC_IFSVR,
 	RSND_REG_SRC_SRCCR,
 	RSND_REG_CMD_ROUTE_SLCT,
 	RSND_REG_DVC_SWRSR,
 	RSND_REG_DVC_DVUIR,
 	RSND_REG_DVC_ADINR,
 	RSND_REG_DVC_DVUCR,
 	RSND_REG_DVC_ZCMCR,
 	RSND_REG_DVC_VOL0R,
 	RSND_REG_DVC_VOL1R,
 	RSND_REG_DVC_DVUER,

 	/* ADG */
 	RSND_REG_BRRA,
 	RSND_REG_BRRB,
 	RSND_REG_SSICKR,
 	RSND_REG_AUDIO_CLK_SEL0,
 	RSND_REG_AUDIO_CLK_SEL1,

 	/* SSI */
 	RSND_REG_SSICR,
 	RSND_REG_SSISR,
 	RSND_REG_SSITDR,
 	RSND_REG_SSIRDR,
 	RSND_REG_SSIWSR,

 	/* SHARE see below */
 	RSND_REG_SHARE01,
 	RSND_REG_SHARE02,
 	RSND_REG_SHARE03,
 	RSND_REG_SHARE04,
 	RSND_REG_SHARE05,
 	RSND_REG_SHARE06,
 	RSND_REG_SHARE07,
 	RSND_REG_SHARE08,
 	RSND_REG_SHARE09,
 	RSND_REG_SHARE10,
 	RSND_REG_SHARE11,
 	RSND_REG_SHARE12,
 	RSND_REG_SHARE13,
 	RSND_REG_SHARE14,
 	RSND_REG_SHARE15,
 	RSND_REG_SHARE16,
 	RSND_REG_SHARE17,
 	RSND_REG_SHARE18,
 	RSND_REG_SHARE19,
 	RSND_REG_SHARE20,
 	RSND_REG_SHARE21,

 	RSND_REG_MAX,
 };

 /* Gen1 only */
 #define RSND_REG_SRC_ROUTE_SEL		RSND_REG_SHARE01
 #define RSND_REG_SRC_TMG_SEL0		RSND_REG_SHARE02
 #define RSND_REG_SRC_TMG_SEL1		RSND_REG_SHARE03
 #define RSND_REG_SRC_TMG_SEL2		RSND_REG_SHARE04
 #define RSND_REG_SRC_ROUTE_CTRL		RSND_REG_SHARE05
 #define RSND_REG_SRC_MNFSR		RSND_REG_SHARE06
 #define RSND_REG_AUDIO_CLK_SEL3		RSND_REG_SHARE07
 #define RSND_REG_AUDIO_CLK_SEL4		RSND_REG_SHARE08
 #define RSND_REG_AUDIO_CLK_SEL5		RSND_REG_SHARE09

 /* Gen2 only */
 #define RSND_REG_SRC_CTRL		RSND_REG_SHARE01
 #define RSND_REG_SSI_CTRL		RSND_REG_SHARE02
 #define RSND_REG_SSI_BUSIF_MODE		RSND_REG_SHARE03
 #define RSND_REG_SSI_BUSIF_ADINR	RSND_REG_SHARE04
 #define RSND_REG_INT_ENABLE		RSND_REG_SHARE05
 #define RSND_REG_SRC_BSDSR		RSND_REG_SHARE06
 #define RSND_REG_SRC_BSISR		RSND_REG_SHARE07
 #define RSND_REG_DIV_EN			RSND_REG_SHARE08
 #define RSND_REG_SRCIN_TIMSEL0		RSND_REG_SHARE09
 #define RSND_REG_SRCIN_TIMSEL1		RSND_REG_SHARE10
 #define RSND_REG_SRCIN_TIMSEL2		RSND_REG_SHARE11
 #define RSND_REG_SRCIN_TIMSEL3		RSND_REG_SHARE12
 #define RSND_REG_SRCIN_TIMSEL4		RSND_REG_SHARE13
 #define RSND_REG_SRCOUT_TIMSEL0		RSND_REG_SHARE14
 #define RSND_REG_SRCOUT_TIMSEL1		RSND_REG_SHARE15
 #define RSND_REG_SRCOUT_TIMSEL2		RSND_REG_SHARE16
 #define RSND_REG_SRCOUT_TIMSEL3		RSND_REG_SHARE17
 #define RSND_REG_SRCOUT_TIMSEL4		RSND_REG_SHARE18
 #define RSND_REG_AUDIO_CLK_SEL2		RSND_REG_SHARE19
 #define RSND_REG_CMD_CTRL		RSND_REG_SHARE20
 #define RSND_REG_CMDOUT_TIMSEL		RSND_REG_SHARE21

 struct rsnd_of_data;
 struct rsnd_priv;
 struct rsnd_mod;
 struct rsnd_dai;
 struct rsnd_dai_stream;

 /*
  *	R-Car basic functions
  */
 #define rsnd_mod_read(m, r) \
 	rsnd_read(rsnd_mod_to_priv(m), m, RSND_REG_##r)
 #define rsnd_mod_write(m, r, d) \
 	rsnd_write(rsnd_mod_to_priv(m), m, RSND_REG_##r, d)
 #define rsnd_mod_bset(m, r, s, d) \
 	rsnd_bset(rsnd_mod_to_priv(m), m, RSND_REG_##r, s, d)

 u32 rsnd_read(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg);
 void rsnd_write(struct rsnd_priv *priv, struct rsnd_mod *mod,
 		enum rsnd_reg reg, u32 data);
 void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg,
 		    u32 mask, u32 data);
 u32 rsnd_get_adinr(struct rsnd_mod *mod);

 /*
  *	R-Car DMA
  */
 struct rsnd_dma {
 	struct sh_dmae_slave	slave;
 	struct work_struct	work;
 	struct dma_chan		*chan;
 	enum dma_data_direction dir;

 	int submit_loop;
 	int offset; /* it cares A/B plane */
 };

 void rsnd_dma_start(struct rsnd_dma *dma);
 void rsnd_dma_stop(struct rsnd_dma *dma);
 int rsnd_dma_available(struct rsnd_dma *dma);
 int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma,
 	int is_play, int id);
 void  rsnd_dma_quit(struct rsnd_priv *priv,
 		    struct rsnd_dma *dma);


 /*
  *	R-Car sound mod
  */
 enum rsnd_mod_type {
 	RSND_MOD_SRC = 0,
 	RSND_MOD_SSI,
 	RSND_MOD_DVC,
 	RSND_MOD_MAX,
 };

 struct rsnd_mod_ops {
 	char *name;
 	int (*probe)(struct rsnd_mod *mod,
 		     struct rsnd_dai *rdai);
 	int (*remove)(struct rsnd_mod *mod,
 		      struct rsnd_dai *rdai);
 	int (*init)(struct rsnd_mod *mod,
 		    struct rsnd_dai *rdai);
 	int (*quit)(struct rsnd_mod *mod,
 		    struct rsnd_dai *rdai);
 	int (*start)(struct rsnd_mod *mod,
 		     struct rsnd_dai *rdai);
 	int (*stop)(struct rsnd_mod *mod,
 		    struct rsnd_dai *rdai);
 	int (*pcm_new)(struct rsnd_mod *mod,
 		       struct rsnd_dai *rdai,
 		       struct snd_soc_pcm_runtime *rtd);
 };

 struct rsnd_dai_stream;
 struct rsnd_mod {
 	int id;
 	enum rsnd_mod_type type;
 	struct rsnd_priv *priv;
 	struct rsnd_mod_ops *ops;
 	struct rsnd_dma dma;
 	struct rsnd_dai_stream *io;
 };

 #define rsnd_mod_to_priv(mod) ((mod)->priv)
 #define rsnd_mod_to_dma(mod) (&(mod)->dma)
 #define rsnd_dma_to_mod(_dma) container_of((_dma), struct rsnd_mod, dma)
 #define rsnd_mod_to_io(mod) ((mod)->io)
 #define rsnd_mod_id(mod) ((mod)->id)

 void rsnd_mod_init(struct rsnd_priv *priv,
 		   struct rsnd_mod *mod,
 		   struct rsnd_mod_ops *ops,
 		   enum rsnd_mod_type type,
 		   int id);
 char *rsnd_mod_name(struct rsnd_mod *mod);

 /*
  *	R-Car sound DAI
  */
 #define RSND_DAI_NAME_SIZE	16
 struct rsnd_dai_stream {
 	struct snd_pcm_substream *substream;
 	struct rsnd_mod *mod[RSND_MOD_MAX];
 	struct rsnd_dai_path_info *info; /* rcar_snd.h */
 	int byte_pos;
 	int period_pos;
 	int byte_per_period;
 	int next_period_byte;
 };
 #define rsnd_io_to_mod_ssi(io)	((io)->mod[RSND_MOD_SSI])
 #define rsnd_io_to_mod_src(io)	((io)->mod[RSND_MOD_SRC])
 #define rsnd_io_to_mod_dvc(io)	((io)->mod[RSND_MOD_DVC])

 struct rsnd_dai {
 	char name[RSND_DAI_NAME_SIZE];
 	struct rsnd_dai_platform_info *info; /* rcar_snd.h */
 	struct rsnd_dai_stream playback;
 	struct rsnd_dai_stream capture;

 	unsigned int clk_master:1;
 	unsigned int bit_clk_inv:1;
 	unsigned int frm_clk_inv:1;
 	unsigned int sys_delay:1;
 	unsigned int data_alignment:1;
 };

 #define rsnd_rdai_nr(priv) ((priv)->rdai_nr)
 #define for_each_rsnd_dai(rdai, priv, i)		\
 	for (i = 0;					\
 	     (i < rsnd_rdai_nr(priv)) &&		\
 	     ((rdai) = rsnd_dai_get(priv, i));		\
 	     i++)

 struct rsnd_dai *rsnd_dai_get(struct rsnd_priv *priv, int id);
 int rsnd_dai_is_play(struct rsnd_dai *rdai, struct rsnd_dai_stream *io);
 int rsnd_dai_id(struct rsnd_priv *priv, struct rsnd_dai *rdai);
 #define rsnd_dai_get_platform_info(rdai) ((rdai)->info)
 #define rsnd_io_to_runtime(io) ((io)->substream->runtime)

 void rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int cnt);
 int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional);
 #define rsnd_dai_is_clk_master(rdai) ((rdai)->clk_master)

 /*
  *	R-Car Gen1/Gen2
  */
 int rsnd_gen_probe(struct platform_device *pdev,
 		   const struct rsnd_of_data *of_data,
 		   struct rsnd_priv *priv);
 void __iomem *rsnd_gen_reg_get(struct rsnd_priv *priv,
 			       struct rsnd_mod *mod,
 			       enum rsnd_reg reg);
 #define rsnd_is_gen1(s)		(((s)->info->flags & RSND_GEN_MASK) == RSND_GEN1)
 #define rsnd_is_gen2(s)		(((s)->info->flags & RSND_GEN_MASK) == RSND_GEN2)

 /*
  *	R-Car ADG
  */
 int rsnd_adg_ssi_clk_stop(struct rsnd_mod *mod);
 int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *mod, unsigned int rate);
 int rsnd_adg_probe(struct platform_device *pdev,
 		   const struct rsnd_of_data *of_data,
 		   struct rsnd_priv *priv);
 int rsnd_adg_set_convert_clk_gen1(struct rsnd_priv *priv,
 				  struct rsnd_mod *mod,
 				  unsigned int src_rate,
 				  unsigned int dst_rate);
 int rsnd_adg_set_convert_clk_gen2(struct rsnd_mod *mod,
 				  struct rsnd_dai *rdai,
 				  struct rsnd_dai_stream *io,
 				  unsigned int src_rate,
 				  unsigned int dst_rate);
 int rsnd_adg_set_convert_timing_gen2(struct rsnd_mod *mod,
 				     struct rsnd_dai *rdai,
 				     struct rsnd_dai_stream *io);
 int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_dai *rdai,
 				 struct rsnd_mod *mod,
 				 struct rsnd_dai_stream *io);

 /*
  *	R-Car sound priv
  */
 struct rsnd_of_data {
 	u32 flags;
 };

 struct rsnd_priv {

 	struct device *dev;
 	struct rcar_snd_info *info;
 	spinlock_t lock;

 	/*
 	 * below value will be filled on rsnd_gen_probe()
 	 */
 	void *gen;

 	/*
 	 * below value will be filled on rsnd_src_probe()
 	 */
 	void *src;
 	int src_nr;

 	/*
 	 * below value will be filled on rsnd_adg_probe()
 	 */
 	void *adg;

 	/*
 	 * below value will be filled on rsnd_ssi_probe()
 	 */
 	void *ssi;
 	int ssi_nr;

 	/*
 	 * below value will be filled on rsnd_dvc_probe()
 	 */
 	void *dvc;
 	int dvc_nr;

 	/*
 	 * below value will be filled on rsnd_dai_probe()
 	 */
 	struct snd_soc_dai_driver *daidrv;
 	struct rsnd_dai *rdai;
 	int rdai_nr;
 };

 #define rsnd_priv_to_dev(priv)	((priv)->dev)
 #define rsnd_priv_to_info(priv)	((priv)->info)
 #define rsnd_lock(priv, flags) spin_lock_irqsave(&priv->lock, flags)
 #define rsnd_unlock(priv, flags) spin_unlock_irqrestore(&priv->lock, flags)

 #define rsnd_info_is_playback(priv, type)				\
 ({									\
 	struct rcar_snd_info *info = rsnd_priv_to_info(priv);		\
 	int i, is_play = 0;						\
 	for (i = 0; i < info->dai_info_nr; i++) {			\
 		if (info->dai_info[i].playback.type == (type)->info) {	\
 			is_play = 1;					\
 			break;						\
 		}							\
 	}								\
 	is_play;							\
 })

 /*
  *	R-Car SRC
  */
 int rsnd_src_probe(struct platform_device *pdev,
 		   const struct rsnd_of_data *of_data,
 		   struct rsnd_priv *priv);
 struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id);
 unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv,
 				   struct rsnd_dai_stream *io,
 				   struct snd_pcm_runtime *runtime);
 int rsnd_src_ssi_mode_init(struct rsnd_mod *ssi_mod,
 			   struct rsnd_dai *rdai);
 int rsnd_src_enable_ssi_irq(struct rsnd_mod *ssi_mod,
 			    struct rsnd_dai *rdai);

 #define rsnd_src_nr(priv) ((priv)->src_nr)

 /*
  *	R-Car SSI
  */
 int rsnd_ssi_probe(struct platform_device *pdev,
 		   const struct rsnd_of_data *of_data,
 		   struct rsnd_priv *priv);
 struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id);
 int rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod);

 /*
  *	R-Car DVC
  */
 int rsnd_dvc_probe(struct platform_device *pdev,
 		   const struct rsnd_of_data *of_data,
 		   struct rsnd_priv *priv);
 void rsnd_dvc_remove(struct platform_device *pdev,
 		     struct rsnd_priv *priv);
 struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id);

 #define rsnd_dvc_nr(priv) ((priv)->dvc_nr)


 #endif
	/*
	* Renesas R-Car
	*
	* Copyright (C) 2013 Renesas Solutions Corp.
	* Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License version 2 as
	* published by the Free Software Foundation.
	*/
	#ifndef RSND_H
	#define RSND_H

	#include <linux/clk.h>
	#include <linux/device.h>
	#include <linux/dma-mapping.h>
	#include <linux/io.h>
	#include <linux/list.h>
	#include <linux/module.h>
	#include <linux/of_device.h>
	#include <linux/of_irq.h>
	#include <linux/sh_dma.h>
	#include <linux/workqueue.h>
	#include <sound/rcar_snd.h>
	#include <sound/soc.h>
	#include <sound/pcm_params.h>

	/*
	* pseudo register
	*
	* The register address offsets SRU/SCU/SSIU on Gen1/Gen2 are very different.
	* This driver uses pseudo register in order to hide it.
	* see gen1/gen2 for detail
	*/
	enum rsnd_reg {
	/* SRU/SCU/SSIU */
	RSND_REG_SSI_MODE0,
	RSND_REG_SSI_MODE1,
	RSND_REG_SRC_BUSIF_MODE,
	RSND_REG_SRC_ROUTE_MODE0,
	RSND_REG_SRC_SWRSR,
	RSND_REG_SRC_SRCIR,
	RSND_REG_SRC_ADINR,
	RSND_REG_SRC_IFSCR,
	RSND_REG_SRC_IFSVR,
	RSND_REG_SRC_SRCCR,
	RSND_REG_CMD_ROUTE_SLCT,
	RSND_REG_DVC_SWRSR,
	RSND_REG_DVC_DVUIR,
	RSND_REG_DVC_ADINR,
	RSND_REG_DVC_DVUCR,
	RSND_REG_DVC_ZCMCR,
	RSND_REG_DVC_VOL0R,
	RSND_REG_DVC_VOL1R,
	RSND_REG_DVC_DVUER,

	/* ADG */
	RSND_REG_BRRA,
	RSND_REG_BRRB,
	RSND_REG_SSICKR,
	RSND_REG_AUDIO_CLK_SEL0,
	RSND_REG_AUDIO_CLK_SEL1,

	/* SSI */
	RSND_REG_SSICR,
	RSND_REG_SSISR,
	RSND_REG_SSITDR,
	RSND_REG_SSIRDR,
	RSND_REG_SSIWSR,

	/* SHARE see below */
	RSND_REG_SHARE01,
	RSND_REG_SHARE02,
	RSND_REG_SHARE03,
	RSND_REG_SHARE04,
	RSND_REG_SHARE05,
	RSND_REG_SHARE06,
	RSND_REG_SHARE07,
	RSND_REG_SHARE08,
	RSND_REG_SHARE09,
	RSND_REG_SHARE10,
	RSND_REG_SHARE11,
	RSND_REG_SHARE12,
	RSND_REG_SHARE13,
	RSND_REG_SHARE14,
	RSND_REG_SHARE15,
	RSND_REG_SHARE16,
	RSND_REG_SHARE17,
	RSND_REG_SHARE18,
	RSND_REG_SHARE19,
	RSND_REG_SHARE20,
	RSND_REG_SHARE21,

	RSND_REG_MAX,
	};

	/* Gen1 only */
	#define RSND_REG_SRC_ROUTE_SEL RSND_REG_SHARE01
	#define RSND_REG_SRC_TMG_SEL0 RSND_REG_SHARE02
	#define RSND_REG_SRC_TMG_SEL1 RSND_REG_SHARE03
	#define RSND_REG_SRC_TMG_SEL2 RSND_REG_SHARE04
	#define RSND_REG_SRC_ROUTE_CTRL RSND_REG_SHARE05
	#define RSND_REG_SRC_MNFSR RSND_REG_SHARE06
	#define RSND_REG_AUDIO_CLK_SEL3 RSND_REG_SHARE07
	#define RSND_REG_AUDIO_CLK_SEL4 RSND_REG_SHARE08
	#define RSND_REG_AUDIO_CLK_SEL5 RSND_REG_SHARE09

	/* Gen2 only */
	#define RSND_REG_SRC_CTRL RSND_REG_SHARE01
	#define RSND_REG_SSI_CTRL RSND_REG_SHARE02
	#define RSND_REG_SSI_BUSIF_MODE RSND_REG_SHARE03
	#define RSND_REG_SSI_BUSIF_ADINR RSND_REG_SHARE04
	#define RSND_REG_INT_ENABLE RSND_REG_SHARE05
	#define RSND_REG_SRC_BSDSR RSND_REG_SHARE06
	#define RSND_REG_SRC_BSISR RSND_REG_SHARE07
	#define RSND_REG_DIV_EN RSND_REG_SHARE08
	#define RSND_REG_SRCIN_TIMSEL0 RSND_REG_SHARE09
	#define RSND_REG_SRCIN_TIMSEL1 RSND_REG_SHARE10
	#define RSND_REG_SRCIN_TIMSEL2 RSND_REG_SHARE11
	#define RSND_REG_SRCIN_TIMSEL3 RSND_REG_SHARE12
	#define RSND_REG_SRCIN_TIMSEL4 RSND_REG_SHARE13
	#define RSND_REG_SRCOUT_TIMSEL0 RSND_REG_SHARE14
	#define RSND_REG_SRCOUT_TIMSEL1 RSND_REG_SHARE15
	#define RSND_REG_SRCOUT_TIMSEL2 RSND_REG_SHARE16
	#define RSND_REG_SRCOUT_TIMSEL3 RSND_REG_SHARE17
	#define RSND_REG_SRCOUT_TIMSEL4 RSND_REG_SHARE18
	#define RSND_REG_AUDIO_CLK_SEL2 RSND_REG_SHARE19
	#define RSND_REG_CMD_CTRL RSND_REG_SHARE20
	#define RSND_REG_CMDOUT_TIMSEL RSND_REG_SHARE21

	struct rsnd_of_data;
	struct rsnd_priv;
	struct rsnd_mod;
	struct rsnd_dai;
	struct rsnd_dai_stream;

	/*
	* R-Car basic functions
	*/
	#define rsnd_mod_read(m, r) \
	rsnd_read(rsnd_mod_to_priv(m), m, RSND_REG_##r)
	#define rsnd_mod_write(m, r, d) \
	rsnd_write(rsnd_mod_to_priv(m), m, RSND_REG_##r, d)
	#define rsnd_mod_bset(m, r, s, d) \
	rsnd_bset(rsnd_mod_to_priv(m), m, RSND_REG_##r, s, d)

	u32 rsnd_read(struct rsnd_priv priv, struct rsnd_mod mod, enum rsnd_reg reg);
	void rsnd_write(struct rsnd_priv priv, struct rsnd_mod mod,
	enum rsnd_reg reg, u32 data);
	void rsnd_bset(struct rsnd_priv priv, struct rsnd_mod mod, enum rsnd_reg reg,
	u32 mask, u32 data);
	u32 rsnd_get_adinr(struct rsnd_mod *mod);

	/*
	* R-Car DMA
	*/
	struct rsnd_dma {
	struct sh_dmae_slave slave;
	struct work_struct work;
	struct dma_chan *chan;
	enum dma_data_direction dir;

	int submit_loop;
	int offset; /* it cares A/B plane */
	};

	void rsnd_dma_start(struct rsnd_dma *dma);
	void rsnd_dma_stop(struct rsnd_dma *dma);
	int rsnd_dma_available(struct rsnd_dma *dma);
	int rsnd_dma_init(struct rsnd_priv priv, struct rsnd_dma dma,
	int is_play, int id);
	void rsnd_dma_quit(struct rsnd_priv *priv,
	struct rsnd_dma *dma);


	/*
	* R-Car sound mod
	*/
	enum rsnd_mod_type {
	RSND_MOD_SRC = 0,
	RSND_MOD_SSI,
	RSND_MOD_DVC,
	RSND_MOD_MAX,
	};

	struct rsnd_mod_ops {
	char *name;
	int (probe)(struct rsnd_mod mod,
	struct rsnd_dai *rdai);
	int (remove)(struct rsnd_mod mod,
	struct rsnd_dai *rdai);
	int (init)(struct rsnd_mod mod,
	struct rsnd_dai *rdai);
	int (quit)(struct rsnd_mod mod,
	struct rsnd_dai *rdai);
	int (start)(struct rsnd_mod mod,
	struct rsnd_dai *rdai);
	int (stop)(struct rsnd_mod mod,
	struct rsnd_dai *rdai);
	int (pcm_new)(struct rsnd_mod mod,
	struct rsnd_dai *rdai,
	struct snd_soc_pcm_runtime *rtd);
	};

	struct rsnd_dai_stream;
	struct rsnd_mod {
	int id;
	enum rsnd_mod_type type;
	struct rsnd_priv *priv;
	struct rsnd_mod_ops *ops;
	struct rsnd_dma dma;
	struct rsnd_dai_stream *io;
	};

	#define rsnd_mod_to_priv(mod) ((mod)->priv)
	#define rsnd_mod_to_dma(mod) (&(mod)->dma)
	#define rsnd_dma_to_mod(_dma) container_of((_dma), struct rsnd_mod, dma)
	#define rsnd_mod_to_io(mod) ((mod)->io)
	#define rsnd_mod_id(mod) ((mod)->id)

	void rsnd_mod_init(struct rsnd_priv *priv,
	struct rsnd_mod *mod,
	struct rsnd_mod_ops *ops,
	enum rsnd_mod_type type,
	int id);
	char rsnd_mod_name(struct rsnd_mod mod);

	/*
	* R-Car sound DAI
	*/
	#define RSND_DAI_NAME_SIZE 16
	struct rsnd_dai_stream {
	struct snd_pcm_substream *substream;
	struct rsnd_mod *mod[RSND_MOD_MAX];
	struct rsnd_dai_path_info info; / rcar_snd.h */
	int byte_pos;
	int period_pos;
	int byte_per_period;
	int next_period_byte;
	};
	#define rsnd_io_to_mod_ssi(io) ((io)->mod[RSND_MOD_SSI])
	#define rsnd_io_to_mod_src(io) ((io)->mod[RSND_MOD_SRC])
	#define rsnd_io_to_mod_dvc(io) ((io)->mod[RSND_MOD_DVC])

	struct rsnd_dai {
	char name[RSND_DAI_NAME_SIZE];
	struct rsnd_dai_platform_info info; / rcar_snd.h */
	struct rsnd_dai_stream playback;
	struct rsnd_dai_stream capture;

	unsigned int clk_master:1;
	unsigned int bit_clk_inv:1;
	unsigned int frm_clk_inv:1;
	unsigned int sys_delay:1;
	unsigned int data_alignment:1;
	};

	#define rsnd_rdai_nr(priv) ((priv)->rdai_nr)
	#define for_each_rsnd_dai(rdai, priv, i) \
	for (i = 0; \
	(i < rsnd_rdai_nr(priv)) && \
	((rdai) = rsnd_dai_get(priv, i)); \
	i++)

	struct rsnd_dai rsnd_dai_get(struct rsnd_priv priv, int id);
	int rsnd_dai_is_play(struct rsnd_dai rdai, struct rsnd_dai_stream io);
	int rsnd_dai_id(struct rsnd_priv priv, struct rsnd_dai rdai);
	#define rsnd_dai_get_platform_info(rdai) ((rdai)->info)
	#define rsnd_io_to_runtime(io) ((io)->substream->runtime)

	void rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int cnt);
	int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional);
	#define rsnd_dai_is_clk_master(rdai) ((rdai)->clk_master)

	/*
	* R-Car Gen1/Gen2
	*/
	int rsnd_gen_probe(struct platform_device *pdev,
	const struct rsnd_of_data *of_data,
	struct rsnd_priv *priv);
	void __iomem rsnd_gen_reg_get(struct rsnd_priv priv,
	struct rsnd_mod *mod,
	enum rsnd_reg reg);
	#define rsnd_is_gen1(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN1)
	#define rsnd_is_gen2(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN2)

	/*
	* R-Car ADG
	*/
	int rsnd_adg_ssi_clk_stop(struct rsnd_mod *mod);
	int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *mod, unsigned int rate);
	int rsnd_adg_probe(struct platform_device *pdev,
	const struct rsnd_of_data *of_data,
	struct rsnd_priv *priv);
	int rsnd_adg_set_convert_clk_gen1(struct rsnd_priv *priv,
	struct rsnd_mod *mod,
	unsigned int src_rate,
	unsigned int dst_rate);
	int rsnd_adg_set_convert_clk_gen2(struct rsnd_mod *mod,
	struct rsnd_dai *rdai,
	struct rsnd_dai_stream *io,
	unsigned int src_rate,
	unsigned int dst_rate);
	int rsnd_adg_set_convert_timing_gen2(struct rsnd_mod *mod,
	struct rsnd_dai *rdai,
	struct rsnd_dai_stream *io);
	int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_dai *rdai,
	struct rsnd_mod *mod,
	struct rsnd_dai_stream *io);

	/*
	* R-Car sound priv
	*/
	struct rsnd_of_data {
	u32 flags;
	};

	struct rsnd_priv {

	struct device *dev;
	struct rcar_snd_info *info;
	spinlock_t lock;

	/*
	* below value will be filled on rsnd_gen_probe()
	*/
	void *gen;

	/*
	* below value will be filled on rsnd_src_probe()
	*/
	void *src;
	int src_nr;

	/*
	* below value will be filled on rsnd_adg_probe()
	*/
	void *adg;

	/*
	* below value will be filled on rsnd_ssi_probe()
	*/
	void *ssi;
	int ssi_nr;

	/*
	* below value will be filled on rsnd_dvc_probe()
	*/
	void *dvc;
	int dvc_nr;

	/*
	* below value will be filled on rsnd_dai_probe()
	*/
	struct snd_soc_dai_driver *daidrv;
	struct rsnd_dai *rdai;
	int rdai_nr;
	};

	#define rsnd_priv_to_dev(priv) ((priv)->dev)
	#define rsnd_priv_to_info(priv) ((priv)->info)
	#define rsnd_lock(priv, flags) spin_lock_irqsave(&priv->lock, flags)
	#define rsnd_unlock(priv, flags) spin_unlock_irqrestore(&priv->lock, flags)

	#define rsnd_info_is_playback(priv, type) \
	({ \
	struct rcar_snd_info *info = rsnd_priv_to_info(priv); \
	int i, is_play = 0; \
	for (i = 0; i < info->dai_info_nr; i++) { \
	if (info->dai_info[i].playback.type == (type)->info) { \
	is_play = 1; \
	break; \
	} \
	} \
	is_play; \
	})

	/*
	* R-Car SRC
	*/
	int rsnd_src_probe(struct platform_device *pdev,
	const struct rsnd_of_data *of_data,
	struct rsnd_priv *priv);
	struct rsnd_mod rsnd_src_mod_get(struct rsnd_priv priv, int id);
	unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv,
	struct rsnd_dai_stream *io,
	struct snd_pcm_runtime *runtime);
	int rsnd_src_ssi_mode_init(struct rsnd_mod *ssi_mod,
	struct rsnd_dai *rdai);
	int rsnd_src_enable_ssi_irq(struct rsnd_mod *ssi_mod,
	struct rsnd_dai *rdai);

	#define rsnd_src_nr(priv) ((priv)->src_nr)

	/*
	* R-Car SSI
	*/
	int rsnd_ssi_probe(struct platform_device *pdev,
	const struct rsnd_of_data *of_data,
	struct rsnd_priv *priv);
	struct rsnd_mod rsnd_ssi_mod_get(struct rsnd_priv priv, int id);
	int rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod);

	/*
	* R-Car DVC
	*/
	int rsnd_dvc_probe(struct platform_device *pdev,
	const struct rsnd_of_data *of_data,
	struct rsnd_priv *priv);
	void rsnd_dvc_remove(struct platform_device *pdev,
	struct rsnd_priv *priv);
	struct rsnd_mod rsnd_dvc_mod_get(struct rsnd_priv priv, int id);

	#define rsnd_dvc_nr(priv) ((priv)->dvc_nr)


	#endif