[mirror_ubuntu-focal-kernel.git] / sound / soc / sh / rcar / rsnd.h

/*
 * 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_SCU_SYS_STATUS0,
	RSND_REG_SCU_SYS_INT_EN0,
	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_SHARE22,
	RSND_REG_SHARE23,
	RSND_REG_SHARE24,
	RSND_REG_SHARE25,
	RSND_REG_SHARE26,
	RSND_REG_SHARE27,
	RSND_REG_SHARE28,

	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
#define RSND_REG_BUSIF_DALIGN		RSND_REG_SHARE22
#define RSND_REG_DVC_VRCTR		RSND_REG_SHARE23
#define RSND_REG_DVC_VRPDR		RSND_REG_SHARE24
#define RSND_REG_DVC_VRDBR		RSND_REG_SHARE25
#define RSND_REG_SCU_SYS_STATUS1	RSND_REG_SHARE26
#define RSND_REG_SCU_SYS_INT_EN1	RSND_REG_SHARE27
#define RSND_REG_SRC_INT_ENABLE0	RSND_REG_SHARE28

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 dma_chan		*chan;
	enum dma_transfer_direction dir;
	dma_addr_t		addr;
};

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;
	char* (*dma_name)(struct rsnd_mod *mod);
	int (*probe)(struct rsnd_mod *mod,
		     struct rsnd_priv *priv);
	int (*remove)(struct rsnd_mod *mod,
		      struct rsnd_priv *priv);
	int (*init)(struct rsnd_mod *mod,
		    struct rsnd_priv *priv);
	int (*quit)(struct rsnd_mod *mod,
		    struct rsnd_priv *priv);
	int (*start)(struct rsnd_mod *mod,
		     struct rsnd_priv *priv);
	int (*stop)(struct rsnd_mod *mod,
		    struct rsnd_priv *priv);
	int (*pcm_new)(struct rsnd_mod *mod,
		       struct snd_soc_pcm_runtime *rtd);
	int (*fallback)(struct rsnd_mod *mod,
			struct rsnd_priv *priv);
};

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;
	struct clk *clk;
	u32 status;
};
/*
 * status
 *
 * bit
 * 0	0: probe	1: remove
 * 1	0: init		1: quit
 * 2	0: start	1: stop
 * 3	0: pcm_new
 * 4	0: fallback
 */
#define __rsnd_mod_shift_probe		0
#define __rsnd_mod_shift_remove		0
#define __rsnd_mod_shift_init		1
#define __rsnd_mod_shift_quit		1
#define __rsnd_mod_shift_start		2
#define __rsnd_mod_shift_stop		2
#define __rsnd_mod_shift_pcm_new	3
#define __rsnd_mod_shift_fallback	4

#define __rsnd_mod_call_probe		0
#define __rsnd_mod_call_remove		1
#define __rsnd_mod_call_init		0
#define __rsnd_mod_call_quit		1
#define __rsnd_mod_call_start		0
#define __rsnd_mod_call_stop		1
#define __rsnd_mod_call_pcm_new		0
#define __rsnd_mod_call_fallback	0

#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)
#define rsnd_mod_hw_start(mod)	clk_prepare_enable((mod)->clk)
#define rsnd_mod_hw_stop(mod)	clk_disable_unprepare((mod)->clk)

void rsnd_mod_init(struct rsnd_priv *priv,
		   struct rsnd_mod *mod,
		   struct rsnd_mod_ops *ops,
		   struct clk *clk,
		   enum rsnd_mod_type type,
		   int id);
char *rsnd_mod_name(struct rsnd_mod *mod);
char *rsnd_mod_dma_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 */
	struct rsnd_dai *rdai;
	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])
#define rsnd_io_to_rdai(io)	((io)->rdai)
#define rsnd_io_is_play(io)	(&rsnd_io_to_rdai(io)->playback == io)
#define rsnd_io_to_runtime(io) ((io)->substream ? \
				(io)->substream->runtime : NULL)


struct rsnd_dai {
	char name[RSND_DAI_NAME_SIZE];
	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 rsnd_rdai_is_clk_master(rdai) ((rdai)->clk_master)
#define for_each_rsnd_dai(rdai, priv, i)		\
	for (i = 0;					\
	     (i < rsnd_rdai_nr(priv)) &&		\
	     ((rdai) = rsnd_rdai_get(priv, i));		\
	     i++)

struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id);

void rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int cnt);
int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional);

/*
 *	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);
dma_addr_t rsnd_gen_dma_addr(struct rsnd_priv *priv,
		       struct rsnd_mod *mod,
		       int is_play,  int is_from);

#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_stream *io,
				  unsigned int src_rate,
				  unsigned int dst_rate);
int rsnd_adg_set_convert_timing_gen2(struct rsnd_mod *mod,
				     struct rsnd_dai_stream *io);
int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_mod *mod,
				 struct rsnd_dai_stream *io);

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

struct rsnd_priv {

	struct platform_device *pdev;
	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_pdev(priv)	((priv)->pdev)
#define rsnd_priv_to_dev(priv)	(&(rsnd_priv_to_pdev(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;							\
})

/*
 *	rsnd_kctrl
 */
struct rsnd_kctrl_cfg {
	unsigned int max;
	unsigned int size;
	u32 *val;
	const char * const *texts;
	void (*update)(struct rsnd_mod *mod);
};

#define RSND_DVC_CHANNELS	2
struct rsnd_kctrl_cfg_m {
	struct rsnd_kctrl_cfg cfg;
	u32 val[RSND_DVC_CHANNELS];
};

struct rsnd_kctrl_cfg_s {
	struct rsnd_kctrl_cfg cfg;
	u32 val;
};

int rsnd_kctrl_new_m(struct rsnd_mod *mod,
		     struct snd_soc_pcm_runtime *rtd,
		     const unsigned char *name,
		     void (*update)(struct rsnd_mod *mod),
		     struct rsnd_kctrl_cfg_m *_cfg,
		     u32 max);
int rsnd_kctrl_new_s(struct rsnd_mod *mod,
		     struct snd_soc_pcm_runtime *rtd,
		     const unsigned char *name,
		     void (*update)(struct rsnd_mod *mod),
		     struct rsnd_kctrl_cfg_s *_cfg,
		     u32 max);
int rsnd_kctrl_new_e(struct rsnd_mod *mod,
		     struct snd_soc_pcm_runtime *rtd,
		     const unsigned char *name,
		     struct rsnd_kctrl_cfg_s *_cfg,
		     void (*update)(struct rsnd_mod *mod),
		     const char * const *texts,
		     u32 max);

/*
 *	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_ssiu_start(struct rsnd_mod *ssi_mod,
			int use_busif);
int rsnd_src_ssiu_stop(struct rsnd_mod *ssi_mod);
int rsnd_src_ssi_irq_enable(struct rsnd_mod *ssi_mod);
int rsnd_src_ssi_irq_disable(struct rsnd_mod *ssi_mod);

#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);
int rsnd_ssi_is_dma_mode(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
Commit	Line	Data
1536a968 KM	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>
0a4d94c0	16	#include <linux/dma-mapping.h>
1536a968 KM	17	#include <linux/io.h>
	18	#include <linux/list.h>
	19	#include <linux/module.h>
90e8e50f KM	20	#include <linux/of_device.h>
90e8e50f KM	21	#include <linux/of_irq.h>
0a4d94c0 KM	22	#include <linux/sh_dma.h>
0a4d94c0 KM	23	#include <linux/workqueue.h>
1536a968 KM	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	*/
3337744a	35	enum rsnd_reg {
507d466c	36	/* SRU/SCU/SSIU */
07539c1d KM	37	RSND_REG_SSI_MODE0,
07539c1d KM	38	RSND_REG_SSI_MODE1,
0290d2a4	39	RSND_REG_SRC_BUSIF_MODE,
ef749400 KM	40	RSND_REG_SRC_ROUTE_MODE0,
	41	RSND_REG_SRC_SWRSR,
	42	RSND_REG_SRC_SRCIR,
690ef81e	43	RSND_REG_SRC_ADINR,
ef749400 KM	44	RSND_REG_SRC_IFSCR,
	45	RSND_REG_SRC_IFSVR,
	46	RSND_REG_SRC_SRCCR,
cfcefe01 KM	47	RSND_REG_SCU_SYS_STATUS0,
cfcefe01 KM	48	RSND_REG_SCU_SYS_INT_EN0,
bff58ea4 KM	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,
07539c1d	58
dfc9403b KM	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,
dfc9403b	65
ae5c3223 KM	66	/* SSI */
	67	RSND_REG_SSICR,
	68	RSND_REG_SSISR,
	69	RSND_REG_SSITDR,
	70	RSND_REG_SSIRDR,
	71	RSND_REG_SSIWSR,
	72
c82e1c88 KM	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,
bff58ea4 KM	93	RSND_REG_SHARE20,
bff58ea4 KM	94	RSND_REG_SHARE21,
1cc71959	95	RSND_REG_SHARE22,
3539cacf KM	96	RSND_REG_SHARE23,
	97	RSND_REG_SHARE24,
	98	RSND_REG_SHARE25,
cfcefe01 KM	99	RSND_REG_SHARE26,
	100	RSND_REG_SHARE27,
	101	RSND_REG_SHARE28,
c82e1c88	102
3337744a KM	103	RSND_REG_MAX,
	104	};
	105
c82e1c88 KM	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
bff58ea4 KM	137	#define RSND_REG_CMD_CTRL RSND_REG_SHARE20
bff58ea4 KM	138	#define RSND_REG_CMDOUT_TIMSEL RSND_REG_SHARE21
1cc71959	139	#define RSND_REG_BUSIF_DALIGN RSND_REG_SHARE22
3539cacf KM	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
cfcefe01 KM	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
c82e1c88	146
90e8e50f	147	struct rsnd_of_data;
1536a968	148	struct rsnd_priv;
cdaa3cdf	149	struct rsnd_mod;
1536a968 KM	150	struct rsnd_dai;
	151	struct rsnd_dai_stream;
	152
3337744a KM	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
3337744a KM	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);
d7bdbc5d	168	u32 rsnd_get_adinr(struct rsnd_mod *mod);
3337744a	169
0a4d94c0 KM	170	/*
	171	* R-Car DMA
	172	*/
	173	struct rsnd_dma {
0a4d94c0	174	struct sh_dmae_slave slave;
0a4d94c0	175	struct dma_chan *chan;
cd7bcc60	176	enum dma_transfer_direction dir;
34037100	177	dma_addr_t addr;
0a4d94c0 KM	178	};
	179
	180	void rsnd_dma_start(struct rsnd_dma *dma);
	181	void rsnd_dma_stop(struct rsnd_dma *dma);
	182	int rsnd_dma_available(struct rsnd_dma *dma);
	183	int rsnd_dma_init(struct rsnd_priv priv, struct rsnd_dma dma,
4686a0ad	184	int is_play, int id);
0a4d94c0 KM	185	void rsnd_dma_quit(struct rsnd_priv *priv,
	186	struct rsnd_dma *dma);
	187
	188
cdaa3cdf KM	189	/*
	190	* R-Car sound mod
	191	*/
a126021d	192	enum rsnd_mod_type {
ba9c949f	193	RSND_MOD_SRC = 0,
a126021d	194	RSND_MOD_SSI,
bff58ea4	195	RSND_MOD_DVC,
a126021d KM	196	RSND_MOD_MAX,
a126021d KM	197	};
cdaa3cdf KM	198
	199	struct rsnd_mod_ops {
	200	char *name;
d9288d0b	201	char* (dma_name)(struct rsnd_mod mod);
7681f6ac	202	int (probe)(struct rsnd_mod mod,
690602fc	203	struct rsnd_priv *priv);
7681f6ac	204	int (remove)(struct rsnd_mod mod,
690602fc	205	struct rsnd_priv *priv);
cdaa3cdf	206	int (init)(struct rsnd_mod mod,
690602fc	207	struct rsnd_priv *priv);
cdaa3cdf	208	int (quit)(struct rsnd_mod mod,
690602fc	209	struct rsnd_priv *priv);
cdaa3cdf	210	int (start)(struct rsnd_mod mod,
690602fc	211	struct rsnd_priv *priv);
cdaa3cdf	212	int (stop)(struct rsnd_mod mod,
690602fc	213	struct rsnd_priv *priv);
bff58ea4	214	int (pcm_new)(struct rsnd_mod mod,
bff58ea4	215	struct snd_soc_pcm_runtime *rtd);
97463e19	216	int (fallback)(struct rsnd_mod mod,
690602fc	217	struct rsnd_priv *priv);
cdaa3cdf KM	218	};
cdaa3cdf KM	219
4686a0ad	220	struct rsnd_dai_stream;
cdaa3cdf KM	221	struct rsnd_mod {
cdaa3cdf KM	222	int id;
a126021d	223	enum rsnd_mod_type type;
cdaa3cdf KM	224	struct rsnd_priv *priv;
cdaa3cdf KM	225	struct rsnd_mod_ops *ops;
0a4d94c0	226	struct rsnd_dma dma;
4686a0ad	227	struct rsnd_dai_stream *io;
85642952	228	struct clk *clk;
417f9642	229	u32 status;
cdaa3cdf	230	};
417f9642 KM	231	/*
	232	* status
	233	*
	234	* bit
	235	* 0 0: probe 1: remove
	236	* 1 0: init 1: quit
	237	* 2 0: start 1: stop
	238	* 3 0: pcm_new
	239	* 4 0: fallback
	240	*/
	241	#define __rsnd_mod_shift_probe 0
	242	#define __rsnd_mod_shift_remove 0
	243	#define __rsnd_mod_shift_init 1
	244	#define __rsnd_mod_shift_quit 1
	245	#define __rsnd_mod_shift_start 2
	246	#define __rsnd_mod_shift_stop 2
	247	#define __rsnd_mod_shift_pcm_new 3
	248	#define __rsnd_mod_shift_fallback 4
	249
	250	#define __rsnd_mod_call_probe 0
	251	#define __rsnd_mod_call_remove 1
	252	#define __rsnd_mod_call_init 0
	253	#define __rsnd_mod_call_quit 1
	254	#define __rsnd_mod_call_start 0
	255	#define __rsnd_mod_call_stop 1
	256	#define __rsnd_mod_call_pcm_new 0
	257	#define __rsnd_mod_call_fallback 0
cdaa3cdf KM	258
cdaa3cdf KM	259	#define rsnd_mod_to_priv(mod) ((mod)->priv)
0a4d94c0 KM	260	#define rsnd_mod_to_dma(mod) (&(mod)->dma)
0a4d94c0 KM	261	#define rsnd_dma_to_mod(_dma) container_of((_dma), struct rsnd_mod, dma)
4686a0ad	262	#define rsnd_mod_to_io(mod) ((mod)->io)
cdaa3cdf	263	#define rsnd_mod_id(mod) ((mod)->id)
85642952 KM	264	#define rsnd_mod_hw_start(mod) clk_prepare_enable((mod)->clk)
85642952 KM	265	#define rsnd_mod_hw_stop(mod) clk_disable_unprepare((mod)->clk)
cdaa3cdf KM	266
	267	void rsnd_mod_init(struct rsnd_priv *priv,
	268	struct rsnd_mod *mod,
	269	struct rsnd_mod_ops *ops,
85642952	270	struct clk *clk,
a126021d	271	enum rsnd_mod_type type,
cdaa3cdf KM	272	int id);
cdaa3cdf KM	273	char rsnd_mod_name(struct rsnd_mod mod);
d9288d0b	274	char rsnd_mod_dma_name(struct rsnd_mod mod);
cdaa3cdf	275
1536a968 KM	276	/*
	277	* R-Car sound DAI
	278	*/
	279	#define RSND_DAI_NAME_SIZE 16
	280	struct rsnd_dai_stream {
1536a968	281	struct snd_pcm_substream *substream;
a126021d	282	struct rsnd_mod *mod[RSND_MOD_MAX];
389933d9	283	struct rsnd_dai_path_info info; / rcar_snd.h */
54cb5562	284	struct rsnd_dai *rdai;
1536a968 KM	285	int byte_pos;
	286	int period_pos;
	287	int byte_per_period;
	288	int next_period_byte;
	289	};
374e5426	290	#define rsnd_io_to_mod_ssi(io) ((io)->mod[RSND_MOD_SSI])
ba9c949f	291	#define rsnd_io_to_mod_src(io) ((io)->mod[RSND_MOD_SRC])
bff58ea4	292	#define rsnd_io_to_mod_dvc(io) ((io)->mod[RSND_MOD_DVC])
54cb5562	293	#define rsnd_io_to_rdai(io) ((io)->rdai)
985a4f6e	294	#define rsnd_io_is_play(io) (&rsnd_io_to_rdai(io)->playback == io)
9d0e202f KM	295	#define rsnd_io_to_runtime(io) ((io)->substream ? \
9d0e202f KM	296	(io)->substream->runtime : NULL)
1536a968	297
985a4f6e	298
1536a968 KM	299	struct rsnd_dai {
1536a968 KM	300	char name[RSND_DAI_NAME_SIZE];
1536a968 KM	301	struct rsnd_dai_stream playback;
	302	struct rsnd_dai_stream capture;
	303
a3737731 DC	304	unsigned int clk_master:1;
	305	unsigned int bit_clk_inv:1;
	306	unsigned int frm_clk_inv:1;
	307	unsigned int sys_delay:1;
	308	unsigned int data_alignment:1;
1536a968 KM	309	};
1536a968 KM	310
ecba9e72	311	#define rsnd_rdai_nr(priv) ((priv)->rdai_nr)
3ed6448c	312	#define rsnd_rdai_is_clk_master(rdai) ((rdai)->clk_master)
1536a968	313	#define for_each_rsnd_dai(rdai, priv, i) \
00463c11	314	for (i = 0; \
ecba9e72	315	(i < rsnd_rdai_nr(priv)) && \
710d0889	316	((rdai) = rsnd_rdai_get(priv, i)); \
00463c11	317	i++)
1536a968	318
710d0889 KM	319	struct rsnd_dai rsnd_rdai_get(struct rsnd_priv priv, int id);
710d0889 KM	320
1536a968 KM	321	void rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int cnt);
	322	int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional);
	323
3337744a KM	324	/*
	325	* R-Car Gen1/Gen2
	326	*/
	327	int rsnd_gen_probe(struct platform_device *pdev,
90e8e50f	328	const struct rsnd_of_data *of_data,
3337744a	329	struct rsnd_priv *priv);
3337744a KM	330	void __iomem rsnd_gen_reg_get(struct rsnd_priv priv,
	331	struct rsnd_mod *mod,
	332	enum rsnd_reg reg);
37523034 KM	333	dma_addr_t rsnd_gen_dma_addr(struct rsnd_priv *priv,
	334	struct rsnd_mod *mod,
	335	int is_play, int is_from);
ad32d0c7	336
c5d5a58d KM	337	#define rsnd_is_gen1(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN1)
c5d5a58d KM	338	#define rsnd_is_gen2(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN2)
3337744a	339
dfc9403b KM	340	/*
	341	* R-Car ADG
	342	*/
	343	int rsnd_adg_ssi_clk_stop(struct rsnd_mod *mod);
	344	int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *mod, unsigned int rate);
	345	int rsnd_adg_probe(struct platform_device *pdev,
90e8e50f	346	const struct rsnd_of_data *of_data,
dfc9403b	347	struct rsnd_priv *priv);
28dc4b63 KM	348	int rsnd_adg_set_convert_clk_gen1(struct rsnd_priv *priv,
	349	struct rsnd_mod *mod,
	350	unsigned int src_rate,
	351	unsigned int dst_rate);
629509c5	352	int rsnd_adg_set_convert_clk_gen2(struct rsnd_mod *mod,
629509c5 KM	353	struct rsnd_dai_stream *io,
	354	unsigned int src_rate,
	355	unsigned int dst_rate);
	356	int rsnd_adg_set_convert_timing_gen2(struct rsnd_mod *mod,
629509c5	357	struct rsnd_dai_stream *io);
f708d944	358	int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_mod *mod,
bff58ea4	359	struct rsnd_dai_stream *io);
dfc9403b	360
1536a968 KM	361	/*
	362	* R-Car sound priv
	363	*/
90e8e50f KM	364	struct rsnd_of_data {
	365	u32 flags;
	366	};
	367
1536a968 KM	368	struct rsnd_priv {
1536a968 KM	369
9f464f8e	370	struct platform_device *pdev;
1536a968 KM	371	struct rcar_snd_info *info;
	372	spinlock_t lock;
	373
3337744a KM	374	/*
	375	* below value will be filled on rsnd_gen_probe()
	376	*/
	377	void *gen;
	378
07539c1d	379	/*
ba9c949f	380	* below value will be filled on rsnd_src_probe()
07539c1d	381	*/
ba9c949f KM	382	void *src;
ba9c949f KM	383	int src_nr;
07539c1d	384
dfc9403b KM	385	/*
	386	* below value will be filled on rsnd_adg_probe()
	387	*/
	388	void *adg;
	389
ae5c3223 KM	390	/*
	391	* below value will be filled on rsnd_ssi_probe()
	392	*/
dd27d808 KM	393	void *ssi;
dd27d808 KM	394	int ssi_nr;
ae5c3223	395
bff58ea4 KM	396	/*
	397	* below value will be filled on rsnd_dvc_probe()
	398	*/
	399	void *dvc;
	400	int dvc_nr;
	401
1536a968 KM	402	/*
	403	* below value will be filled on rsnd_dai_probe()
	404	*/
	405	struct snd_soc_dai_driver *daidrv;
	406	struct rsnd_dai *rdai;
ecba9e72	407	int rdai_nr;
1536a968 KM	408	};
1536a968 KM	409
9f464f8e KM	410	#define rsnd_priv_to_pdev(priv) ((priv)->pdev)
9f464f8e KM	411	#define rsnd_priv_to_dev(priv) (&(rsnd_priv_to_pdev(priv)->dev))
5da39cf3	412	#define rsnd_priv_to_info(priv) ((priv)->info)
1536a968 KM	413	#define rsnd_lock(priv, flags) spin_lock_irqsave(&priv->lock, flags)
	414	#define rsnd_unlock(priv, flags) spin_unlock_irqrestore(&priv->lock, flags)
	415
389933d9 KM	416	#define rsnd_info_is_playback(priv, type) \
	417	({ \
	418	struct rcar_snd_info *info = rsnd_priv_to_info(priv); \
	419	int i, is_play = 0; \
	420	for (i = 0; i < info->dai_info_nr; i++) { \
	421	if (info->dai_info[i].playback.type == (type)->info) { \
	422	is_play = 1; \
	423	break; \
	424	} \
	425	} \
	426	is_play; \
	427	})
	428
170a2497 KM	429	/*
	430	* rsnd_kctrl
	431	*/
	432	struct rsnd_kctrl_cfg {
	433	unsigned int max;
	434	unsigned int size;
	435	u32 *val;
	436	const char * const *texts;
	437	void (update)(struct rsnd_mod mod);
	438	};
	439
	440	#define RSND_DVC_CHANNELS 2
	441	struct rsnd_kctrl_cfg_m {
	442	struct rsnd_kctrl_cfg cfg;
	443	u32 val[RSND_DVC_CHANNELS];
	444	};
	445
	446	struct rsnd_kctrl_cfg_s {
	447	struct rsnd_kctrl_cfg cfg;
	448	u32 val;
	449	};
	450
	451	int rsnd_kctrl_new_m(struct rsnd_mod *mod,
170a2497 KM	452	struct snd_soc_pcm_runtime *rtd,
	453	const unsigned char *name,
	454	void (update)(struct rsnd_mod mod),
	455	struct rsnd_kctrl_cfg_m *_cfg,
	456	u32 max);
	457	int rsnd_kctrl_new_s(struct rsnd_mod *mod,
170a2497 KM	458	struct snd_soc_pcm_runtime *rtd,
	459	const unsigned char *name,
	460	void (update)(struct rsnd_mod mod),
	461	struct rsnd_kctrl_cfg_s *_cfg,
	462	u32 max);
	463	int rsnd_kctrl_new_e(struct rsnd_mod *mod,
170a2497 KM	464	struct snd_soc_pcm_runtime *rtd,
	465	const unsigned char *name,
	466	struct rsnd_kctrl_cfg_s *_cfg,
	467	void (update)(struct rsnd_mod mod),
	468	const char * const *texts,
	469	u32 max);
	470
07539c1d	471	/*
ba9c949f	472	* R-Car SRC
07539c1d	473	*/
ba9c949f	474	int rsnd_src_probe(struct platform_device *pdev,
90e8e50f	475	const struct rsnd_of_data *of_data,
07539c1d	476	struct rsnd_priv *priv);
ba9c949f KM	477	struct rsnd_mod rsnd_src_mod_get(struct rsnd_priv priv, int id);
ba9c949f KM	478	unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv,
374e5426	479	struct rsnd_dai_stream *io,
ef749400	480	struct snd_pcm_runtime *runtime);
d9288d0b	481	int rsnd_src_ssiu_start(struct rsnd_mod *ssi_mod,
d9288d0b	482	int use_busif);
f708d944 KM	483	int rsnd_src_ssiu_stop(struct rsnd_mod *ssi_mod);
	484	int rsnd_src_ssi_irq_enable(struct rsnd_mod *ssi_mod);
	485	int rsnd_src_ssi_irq_disable(struct rsnd_mod *ssi_mod);
ef749400	486
ba9c949f	487	#define rsnd_src_nr(priv) ((priv)->src_nr)
07539c1d	488
ae5c3223 KM	489	/*
	490	* R-Car SSI
	491	*/
	492	int rsnd_ssi_probe(struct platform_device *pdev,
90e8e50f	493	const struct rsnd_of_data *of_data,
ae5c3223	494	struct rsnd_priv *priv);
ae5c3223	495	struct rsnd_mod rsnd_ssi_mod_get(struct rsnd_priv priv, int id);
7b5ce975	496	int rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod);
05795411	497	int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod);
ae5c3223	498
bff58ea4 KM	499	/*
	500	* R-Car DVC
	501	*/
	502	int rsnd_dvc_probe(struct platform_device *pdev,
	503	const struct rsnd_of_data *of_data,
	504	struct rsnd_priv *priv);
	505	void rsnd_dvc_remove(struct platform_device *pdev,
	506	struct rsnd_priv *priv);
	507	struct rsnd_mod rsnd_dvc_mod_get(struct rsnd_priv priv, int id);
	508
	509	#define rsnd_dvc_nr(priv) ((priv)->dvc_nr)
	510
	511
1536a968	512	#endif