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/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_SRC_ROUTE_SEL,		/* for Gen1 */
 	RSND_REG_SRC_TMG_SEL0,		/* for Gen1 */
 	RSND_REG_SRC_TMG_SEL1,		/* for Gen1 */
 	RSND_REG_SRC_TMG_SEL2,		/* for Gen1 */
 	RSND_REG_SRC_ROUTE_CTRL,	/* for Gen1 */
 	RSND_REG_SSI_MODE0,
 	RSND_REG_SSI_MODE1,
 	RSND_REG_INT_ENABLE,		/* for Gen2 */
 	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_SRC_MNFSR,		/* for Gen1 */

 	/* ADG */
 	RSND_REG_BRRA,
 	RSND_REG_BRRB,
 	RSND_REG_SSICKR,
 	RSND_REG_AUDIO_CLK_SEL0,
 	RSND_REG_AUDIO_CLK_SEL1,
 	RSND_REG_AUDIO_CLK_SEL2,
 	RSND_REG_AUDIO_CLK_SEL3,	/* for Gen1 */
 	RSND_REG_AUDIO_CLK_SEL4,	/* for Gen1 */
 	RSND_REG_AUDIO_CLK_SEL5,	/* for Gen1 */

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

 	RSND_REG_MAX,
 };

 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);

 /*
  *	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 (*inquiry)(struct rsnd_dma *dma, dma_addr_t *buf, int *len);
 	int (*complete)(struct rsnd_dma *dma);

 	int submit_loop;
 };

 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,
 	int (*inquiry)(struct rsnd_dma *dma, dma_addr_t *buf, int *len),
 	int (*complete)(struct rsnd_dma *dma));
 void  rsnd_dma_quit(struct rsnd_priv *priv,
 		    struct rsnd_dma *dma);


 /*
  *	R-Car sound mod
  */

 struct rsnd_mod_ops {
 	char *name;
 	int (*init)(struct rsnd_mod *mod,
 		    struct rsnd_dai *rdai,
 		    struct rsnd_dai_stream *io);
 	int (*quit)(struct rsnd_mod *mod,
 		    struct rsnd_dai *rdai,
 		    struct rsnd_dai_stream *io);
 	int (*start)(struct rsnd_mod *mod,
 		     struct rsnd_dai *rdai,
 		     struct rsnd_dai_stream *io);
 	int (*stop)(struct rsnd_mod *mod,
 		    struct rsnd_dai *rdai,
 		    struct rsnd_dai_stream *io);
 };

 struct rsnd_mod {
 	int id;
 	struct rsnd_priv *priv;
 	struct rsnd_mod_ops *ops;
 	struct list_head list; /* connect to rsnd_dai playback/capture */
 	struct rsnd_dma dma;
 };

 #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_id(mod) ((mod)->id)
 #define for_each_rsnd_mod(pos, n, io)	\
 	list_for_each_entry_safe(pos, n, &(io)->head, list)
 #define __rsnd_mod_call(mod, func, rdai, io)			\
 ({								\
 	struct rsnd_priv *priv = rsnd_mod_to_priv(mod);		\
 	struct device *dev = rsnd_priv_to_dev(priv);		\
 	dev_dbg(dev, "%s-%d-%s\n",				\
 		rsnd_mod_name(mod), rsnd_mod_id(mod), #func);	\
 	(mod)->ops->func(mod, rdai, io);			\
 })

 #define rsnd_mod_call(mod, func, rdai, io)	\
 	(!(mod) ? -ENODEV :			\
 	 !((mod)->ops->func) ? 0 :		\
 	 __rsnd_mod_call(mod, func, rdai, io))

 void rsnd_mod_init(struct rsnd_priv *priv,
 		   struct rsnd_mod *mod,
 		   struct rsnd_mod_ops *ops,
 		   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 list_head head; /* head of rsnd_mod list */
 	struct snd_pcm_substream *substream;
 	int byte_pos;
 	int period_pos;
 	int byte_per_period;
 	int next_period_byte;
 };

 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_dai_nr(priv) ((priv)->dai_nr)
 #define for_each_rsnd_dai(rdai, priv, i)		\
 	for (i = 0, (rdai) = rsnd_dai_get(priv, i);	\
 	     i < rsnd_dai_nr(priv);			\
 	     i++, (rdai) = rsnd_dai_get(priv, i))

 struct rsnd_dai *rsnd_dai_get(struct rsnd_priv *priv, int id);
 int rsnd_dai_disconnect(struct rsnd_mod *mod);
 int rsnd_dai_connect(struct rsnd_dai *rdai, struct rsnd_mod *mod,
 		     struct rsnd_dai_stream *io);
 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,
 		   struct rcar_snd_info *info,
 		   struct rsnd_priv *priv);
 void rsnd_gen_remove(struct platform_device *pdev,
 		     struct rsnd_priv *priv);
 int rsnd_gen_path_init(struct rsnd_priv *priv,
 		       struct rsnd_dai *rdai,
 		       struct rsnd_dai_stream *io);
 int rsnd_gen_path_exit(struct rsnd_priv *priv,
 		       struct rsnd_dai *rdai,
 		       struct rsnd_dai_stream *io);
 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,
 		   struct rcar_snd_info *info,
 		   struct rsnd_priv *priv);
 void rsnd_adg_remove(struct platform_device *pdev,
 		   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);

 /*
  *	R-Car sound priv
  */
 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_scu_probe()
 	 */
 	void *scu;
 	int scu_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_dai_probe()
 	 */
 	struct snd_soc_dai_driver *daidrv;
 	struct rsnd_dai *rdai;
 	int dai_nr;
 };

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

 /*
  *	R-Car SCU
  */
 int rsnd_scu_probe(struct platform_device *pdev,
 		   struct rcar_snd_info *info,
 		   struct rsnd_priv *priv);
 void rsnd_scu_remove(struct platform_device *pdev,
 		     struct rsnd_priv *priv);
 struct rsnd_mod *rsnd_scu_mod_get(struct rsnd_priv *priv, int id);
 unsigned int rsnd_scu_get_ssi_rate(struct rsnd_priv *priv,
 				   struct rsnd_mod *ssi_mod,
 				   struct snd_pcm_runtime *runtime);

 #define rsnd_scu_nr(priv) ((priv)->scu_nr)

 /*
  *	R-Car SSI
  */
 int rsnd_ssi_probe(struct platform_device *pdev,
 		   struct rcar_snd_info *info,
 		   struct rsnd_priv *priv);
 void rsnd_ssi_remove(struct platform_device *pdev,
 		   struct rsnd_priv *priv);
 struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id);
 struct rsnd_mod *rsnd_ssi_mod_get_frm_dai(struct rsnd_priv *priv,
 					  int dai_id, int is_play);
 int rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod);
 int rsnd_ssi_is_play(struct rsnd_mod *mod);

 #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/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_SRC_ROUTE_SEL, /* for Gen1 */
	RSND_REG_SRC_TMG_SEL0, /* for Gen1 */
	RSND_REG_SRC_TMG_SEL1, /* for Gen1 */
	RSND_REG_SRC_TMG_SEL2, /* for Gen1 */
	RSND_REG_SRC_ROUTE_CTRL, /* for Gen1 */
	RSND_REG_SSI_MODE0,
	RSND_REG_SSI_MODE1,
	RSND_REG_INT_ENABLE, /* for Gen2 */
	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_SRC_MNFSR, /* for Gen1 */

	/* ADG */
	RSND_REG_BRRA,
	RSND_REG_BRRB,
	RSND_REG_SSICKR,
	RSND_REG_AUDIO_CLK_SEL0,
	RSND_REG_AUDIO_CLK_SEL1,
	RSND_REG_AUDIO_CLK_SEL2,
	RSND_REG_AUDIO_CLK_SEL3, /* for Gen1 */
	RSND_REG_AUDIO_CLK_SEL4, /* for Gen1 */
	RSND_REG_AUDIO_CLK_SEL5, /* for Gen1 */

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

	RSND_REG_MAX,
	};

	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);

	/*
	* 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 (inquiry)(struct rsnd_dma dma, dma_addr_t buf, int len);
	int (complete)(struct rsnd_dma dma);

	int submit_loop;
	};

	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,
	int (inquiry)(struct rsnd_dma dma, dma_addr_t buf, int len),
	int (complete)(struct rsnd_dma dma));
	void rsnd_dma_quit(struct rsnd_priv *priv,
	struct rsnd_dma *dma);


	/*
	* R-Car sound mod
	*/

	struct rsnd_mod_ops {
	char *name;
	int (init)(struct rsnd_mod mod,
	struct rsnd_dai *rdai,
	struct rsnd_dai_stream *io);
	int (quit)(struct rsnd_mod mod,
	struct rsnd_dai *rdai,
	struct rsnd_dai_stream *io);
	int (start)(struct rsnd_mod mod,
	struct rsnd_dai *rdai,
	struct rsnd_dai_stream *io);
	int (stop)(struct rsnd_mod mod,
	struct rsnd_dai *rdai,
	struct rsnd_dai_stream *io);
	};

	struct rsnd_mod {
	int id;
	struct rsnd_priv *priv;
	struct rsnd_mod_ops *ops;
	struct list_head list; /* connect to rsnd_dai playback/capture */
	struct rsnd_dma dma;
	};

	#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_id(mod) ((mod)->id)
	#define for_each_rsnd_mod(pos, n, io) \
	list_for_each_entry_safe(pos, n, &(io)->head, list)
	#define __rsnd_mod_call(mod, func, rdai, io) \
	({ \
	struct rsnd_priv *priv = rsnd_mod_to_priv(mod); \
	struct device *dev = rsnd_priv_to_dev(priv); \
	dev_dbg(dev, "%s-%d-%s\n", \
	rsnd_mod_name(mod), rsnd_mod_id(mod), #func); \
	(mod)->ops->func(mod, rdai, io); \
	})

	#define rsnd_mod_call(mod, func, rdai, io) \
	(!(mod) ? -ENODEV : \
	!((mod)->ops->func) ? 0 : \
	__rsnd_mod_call(mod, func, rdai, io))

	void rsnd_mod_init(struct rsnd_priv *priv,
	struct rsnd_mod *mod,
	struct rsnd_mod_ops *ops,
	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 list_head head; /* head of rsnd_mod list */
	struct snd_pcm_substream *substream;
	int byte_pos;
	int period_pos;
	int byte_per_period;
	int next_period_byte;
	};

	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_dai_nr(priv) ((priv)->dai_nr)
	#define for_each_rsnd_dai(rdai, priv, i) \
	for (i = 0, (rdai) = rsnd_dai_get(priv, i); \
	i < rsnd_dai_nr(priv); \
	i++, (rdai) = rsnd_dai_get(priv, i))

	struct rsnd_dai rsnd_dai_get(struct rsnd_priv priv, int id);
	int rsnd_dai_disconnect(struct rsnd_mod *mod);
	int rsnd_dai_connect(struct rsnd_dai rdai, struct rsnd_mod mod,
	struct rsnd_dai_stream *io);
	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,
	struct rcar_snd_info *info,
	struct rsnd_priv *priv);
	void rsnd_gen_remove(struct platform_device *pdev,
	struct rsnd_priv *priv);
	int rsnd_gen_path_init(struct rsnd_priv *priv,
	struct rsnd_dai *rdai,
	struct rsnd_dai_stream *io);
	int rsnd_gen_path_exit(struct rsnd_priv *priv,
	struct rsnd_dai *rdai,
	struct rsnd_dai_stream *io);
	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,
	struct rcar_snd_info *info,
	struct rsnd_priv *priv);
	void rsnd_adg_remove(struct platform_device *pdev,
	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);

	/*
	* R-Car sound priv
	*/
	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_scu_probe()
	*/
	void *scu;
	int scu_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_dai_probe()
	*/
	struct snd_soc_dai_driver *daidrv;
	struct rsnd_dai *rdai;
	int dai_nr;
	};

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

	/*
	* R-Car SCU
	*/
	int rsnd_scu_probe(struct platform_device *pdev,
	struct rcar_snd_info *info,
	struct rsnd_priv *priv);
	void rsnd_scu_remove(struct platform_device *pdev,
	struct rsnd_priv *priv);
	struct rsnd_mod rsnd_scu_mod_get(struct rsnd_priv priv, int id);
	unsigned int rsnd_scu_get_ssi_rate(struct rsnd_priv *priv,
	struct rsnd_mod *ssi_mod,
	struct snd_pcm_runtime *runtime);

	#define rsnd_scu_nr(priv) ((priv)->scu_nr)

	/*
	* R-Car SSI
	*/
	int rsnd_ssi_probe(struct platform_device *pdev,
	struct rcar_snd_info *info,
	struct rsnd_priv *priv);
	void rsnd_ssi_remove(struct platform_device *pdev,
	struct rsnd_priv *priv);
	struct rsnd_mod rsnd_ssi_mod_get(struct rsnd_priv priv, int id);
	struct rsnd_mod rsnd_ssi_mod_get_frm_dai(struct rsnd_priv priv,
	int dai_id, int is_play);
	int rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod);
	int rsnd_ssi_is_play(struct rsnd_mod *mod);

	#endif