[mirror_ubuntu-zesty-kernel.git] / sound / soc / sh / rcar / gen.c

/*
 * Renesas R-Car Gen1 SRU/SSI support
 *
 * 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.
 */

/*
 * #define DEBUG
 *
 * you can also add below in
 * ${LINUX}/drivers/base/regmap/regmap.c
 * for regmap debug
 *
 * #define LOG_DEVICE "xxxx.rcar_sound"
 */

#include "rsnd.h"

struct rsnd_gen {
	void __iomem *base[RSND_BASE_MAX];

	struct rsnd_gen_ops *ops;

	struct regmap *regmap[RSND_BASE_MAX];
	struct regmap_field *regs[RSND_REG_MAX];
};

#define rsnd_priv_to_gen(p)	((struct rsnd_gen *)(p)->gen)

struct rsnd_regmap_field_conf {
	int idx;
	unsigned int reg_offset;
	unsigned int id_offset;
};

#define RSND_REG_SET(id, offset, _id_offset)	\
{						\
	.idx = id,				\
	.reg_offset = offset,			\
	.id_offset = _id_offset,		\
}
/* single address mapping */
#define RSND_GEN_S_REG(id, offset)	\
	RSND_REG_SET(RSND_REG_##id, offset, 0)

/* multi address mapping */
#define RSND_GEN_M_REG(id, offset, _id_offset)	\
	RSND_REG_SET(RSND_REG_##id, offset, _id_offset)

/*
 *		basic function
 */
static int rsnd_is_accessible_reg(struct rsnd_priv *priv,
				  struct rsnd_gen *gen, enum rsnd_reg reg)
{
	if (!gen->regs[reg]) {
		struct device *dev = rsnd_priv_to_dev(priv);

		dev_err(dev, "unsupported register access %x\n", reg);
		return 0;
	}

	return 1;
}

u32 rsnd_read(struct rsnd_priv *priv,
	      struct rsnd_mod *mod, enum rsnd_reg reg)
{
	struct device *dev = rsnd_priv_to_dev(priv);
	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
	u32 val;

	if (!rsnd_is_accessible_reg(priv, gen, reg))
		return 0;

	dev_dbg(dev, "r %s[%d] - %4d : %08x\n",
		rsnd_mod_name(mod), rsnd_mod_id(mod), reg, val);

	regmap_fields_read(gen->regs[reg], rsnd_mod_id(mod), &val);

	return val;
}

void rsnd_write(struct rsnd_priv *priv,
		struct rsnd_mod *mod,
		enum rsnd_reg reg, u32 data)
{
	struct device *dev = rsnd_priv_to_dev(priv);
	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);

	if (!rsnd_is_accessible_reg(priv, gen, reg))
		return;

	dev_dbg(dev, "w %s[%d] - %4d : %08x\n",
		rsnd_mod_name(mod), rsnd_mod_id(mod), reg, data);

	regmap_fields_write(gen->regs[reg], rsnd_mod_id(mod), data);
}

void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod,
	       enum rsnd_reg reg, u32 mask, u32 data)
{
	struct device *dev = rsnd_priv_to_dev(priv);
	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);

	if (!rsnd_is_accessible_reg(priv, gen, reg))
		return;

	dev_dbg(dev, "b %s[%d] - %4d : %08x/%08x\n",
		rsnd_mod_name(mod), rsnd_mod_id(mod), reg, data, mask);

	regmap_fields_update_bits(gen->regs[reg], rsnd_mod_id(mod),
				  mask, data);
}

#define rsnd_gen_regmap_init(priv, id_size, reg_id, conf)		\
	_rsnd_gen_regmap_init(priv, id_size, reg_id, conf, ARRAY_SIZE(conf))
static int _rsnd_gen_regmap_init(struct rsnd_priv *priv,
				 int id_size,
				 int reg_id,
				 struct rsnd_regmap_field_conf *conf,
				 int conf_size)
{
	struct platform_device *pdev = rsnd_priv_to_pdev(priv);
	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
	struct device *dev = rsnd_priv_to_dev(priv);
	struct resource *res;
	struct regmap_config regc;
	struct regmap_field *regs;
	struct regmap *regmap;
	struct reg_field regf;
	void __iomem *base;
	int i;

	memset(&regc, 0, sizeof(regc));
	regc.reg_bits = 32;
	regc.val_bits = 32;
	regc.reg_stride = 4;

	res = platform_get_resource(pdev, IORESOURCE_MEM, reg_id);
	if (!res)
		return -ENODEV;

	base = devm_ioremap_resource(dev, res);
	if (IS_ERR(base))
		return PTR_ERR(base);

	regmap = devm_regmap_init_mmio(dev, base, &regc);
	if (IS_ERR(regmap))
		return PTR_ERR(regmap);

	gen->base[reg_id] = base;
	gen->regmap[reg_id] = regmap;

	for (i = 0; i < conf_size; i++) {

		regf.reg	= conf[i].reg_offset;
		regf.id_offset	= conf[i].id_offset;
		regf.lsb	= 0;
		regf.msb	= 31;
		regf.id_size	= id_size;

		regs = devm_regmap_field_alloc(dev, regmap, regf);
		if (IS_ERR(regs))
			return PTR_ERR(regs);

		gen->regs[conf[i].idx] = regs;
	}

	return 0;
}

/*
 *	DMA read/write register offset
 *
 *	RSND_xxx_I_N	for Audio DMAC input
 *	RSND_xxx_O_N	for Audio DMAC output
 *	RSND_xxx_I_P	for Audio DMAC peri peri input
 *	RSND_xxx_O_P	for Audio DMAC peri peri output
 *
 *	ex) R-Car H2 case
 *	      mod        / DMAC in    / DMAC out   / DMAC PP in / DMAC pp out
 *	SSI : 0xec541000 / 0xec241008 / 0xec24100c
 *	SSIU: 0xec541000 / 0xec100000 / 0xec100000 / 0xec400000 / 0xec400000
 *	SCU : 0xec500000 / 0xec000000 / 0xec004000 / 0xec300000 / 0xec304000
 *	CMD : 0xec500000 /            / 0xec008000                0xec308000
 */
#define RDMA_SSI_I_N(addr, i)	(addr ##_reg - 0x00300000 + (0x40 * i) + 0x8)
#define RDMA_SSI_O_N(addr, i)	(addr ##_reg - 0x00300000 + (0x40 * i) + 0xc)

#define RDMA_SSIU_I_N(addr, i)	(addr ##_reg - 0x00441000 + (0x1000 * i))
#define RDMA_SSIU_O_N(addr, i)	(addr ##_reg - 0x00441000 + (0x1000 * i))

#define RDMA_SSIU_I_P(addr, i)	(addr ##_reg - 0x00141000 + (0x1000 * i))
#define RDMA_SSIU_O_P(addr, i)	(addr ##_reg - 0x00141000 + (0x1000 * i))

#define RDMA_SRC_I_N(addr, i)	(addr ##_reg - 0x00500000 + (0x400 * i))
#define RDMA_SRC_O_N(addr, i)	(addr ##_reg - 0x004fc000 + (0x400 * i))

#define RDMA_SRC_I_P(addr, i)	(addr ##_reg - 0x00200000 + (0x400 * i))
#define RDMA_SRC_O_P(addr, i)	(addr ##_reg - 0x001fc000 + (0x400 * i))

#define RDMA_CMD_O_N(addr, i)	(addr ##_reg - 0x004f8000 + (0x400 * i))
#define RDMA_CMD_O_P(addr, i)	(addr ##_reg - 0x001f8000 + (0x400 * i))

static dma_addr_t
rsnd_gen2_dma_addr(struct rsnd_priv *priv,
		   struct rsnd_mod *mod,
		   int is_play, int is_from)
{
	struct platform_device *pdev = rsnd_priv_to_pdev(priv);
	struct device *dev = rsnd_priv_to_dev(priv);
	struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
	dma_addr_t ssi_reg = platform_get_resource(pdev,
				IORESOURCE_MEM, RSND_GEN2_SSI)->start;
	dma_addr_t src_reg = platform_get_resource(pdev,
				IORESOURCE_MEM, RSND_GEN2_SCU)->start;
	int is_ssi = !!(rsnd_io_to_mod_ssi(io) == mod);
	int use_src = !!rsnd_io_to_mod_src(io);
	int use_dvc = !!rsnd_io_to_mod_dvc(io);
	int id = rsnd_mod_id(mod);
	struct dma_addr {
		dma_addr_t out_addr;
		dma_addr_t in_addr;
	} dma_addrs[3][2][3] = {
		/* SRC */
		{{{ 0,				0 },
		/* Capture */
		  { RDMA_SRC_O_N(src, id),	RDMA_SRC_I_P(src, id) },
		  { RDMA_CMD_O_N(src, id),	RDMA_SRC_I_P(src, id) } },
		 /* Playback */
		 {{ 0,				0, },
		  { RDMA_SRC_O_P(src, id),	RDMA_SRC_I_N(src, id) },
		  { RDMA_CMD_O_P(src, id),	RDMA_SRC_I_N(src, id) } }
		},
		/* SSI */
		/* Capture */
		{{{ RDMA_SSI_O_N(ssi, id),	0 },
		  { RDMA_SSIU_O_P(ssi, id),	0 },
		  { RDMA_SSIU_O_P(ssi, id),	0 } },
		 /* Playback */
		 {{ 0,				RDMA_SSI_I_N(ssi, id) },
		  { 0,				RDMA_SSIU_I_P(ssi, id) },
		  { 0,				RDMA_SSIU_I_P(ssi, id) } }
		},
		/* SSIU */
		/* Capture */
		{{{ RDMA_SSIU_O_N(ssi, id),	0 },
		  { RDMA_SSIU_O_P(ssi, id),	0 },
		  { RDMA_SSIU_O_P(ssi, id),	0 } },
		 /* Playback */
		 {{ 0,				RDMA_SSIU_I_N(ssi, id) },
		  { 0,				RDMA_SSIU_I_P(ssi, id) },
		  { 0,				RDMA_SSIU_I_P(ssi, id) } } },
	};

	/* it shouldn't happen */
	if (use_dvc && !use_src)
		dev_err(dev, "DVC is selected without SRC\n");

	/* use SSIU or SSI ? */
	if (is_ssi && (0 == strcmp(rsnd_mod_dma_name(mod), "ssiu")))
		is_ssi++;

	return (is_from) ?
		dma_addrs[is_ssi][is_play][use_src + use_dvc].out_addr :
		dma_addrs[is_ssi][is_play][use_src + use_dvc].in_addr;
}

dma_addr_t rsnd_gen_dma_addr(struct rsnd_priv *priv,
			     struct rsnd_mod *mod,
			     int is_play, int is_from)
{
	/*
	 * gen1 uses default DMA addr
	 */
	if (rsnd_is_gen1(priv))
		return 0;

	if (!mod)
		return 0;

	return rsnd_gen2_dma_addr(priv, mod, is_play, is_from);
}

/*
 *		Gen2
 */
static int rsnd_gen2_probe(struct platform_device *pdev,
			   struct rsnd_priv *priv)
{
	struct device *dev = rsnd_priv_to_dev(priv);
	struct rsnd_regmap_field_conf conf_ssiu[] = {
		RSND_GEN_S_REG(SSI_MODE0,	0x800),
		RSND_GEN_S_REG(SSI_MODE1,	0x804),
		/* FIXME: it needs SSI_MODE2/3 in the future */
		RSND_GEN_M_REG(SSI_BUSIF_MODE,	0x0,	0x80),
		RSND_GEN_M_REG(SSI_BUSIF_ADINR,	0x4,	0x80),
		RSND_GEN_M_REG(BUSIF_DALIGN,	0x8,	0x80),
		RSND_GEN_M_REG(SSI_CTRL,	0x10,	0x80),
		RSND_GEN_M_REG(INT_ENABLE,	0x18,	0x80),
	};
	struct rsnd_regmap_field_conf conf_scu[] = {
		RSND_GEN_M_REG(SRC_BUSIF_MODE,	0x0,	0x20),
		RSND_GEN_M_REG(SRC_ROUTE_MODE0,	0xc,	0x20),
		RSND_GEN_M_REG(SRC_CTRL,	0x10,	0x20),
		RSND_GEN_M_REG(CMD_ROUTE_SLCT,	0x18c,	0x20),
		RSND_GEN_M_REG(CMD_CTRL,	0x190,	0x20),
		RSND_GEN_M_REG(SRC_SWRSR,	0x200,	0x40),
		RSND_GEN_M_REG(SRC_SRCIR,	0x204,	0x40),
		RSND_GEN_M_REG(SRC_ADINR,	0x214,	0x40),
		RSND_GEN_M_REG(SRC_IFSCR,	0x21c,	0x40),
		RSND_GEN_M_REG(SRC_IFSVR,	0x220,	0x40),
		RSND_GEN_M_REG(SRC_SRCCR,	0x224,	0x40),
		RSND_GEN_M_REG(SRC_BSDSR,	0x22c,	0x40),
		RSND_GEN_M_REG(SRC_BSISR,	0x238,	0x40),
		RSND_GEN_M_REG(DVC_SWRSR,	0xe00,	0x100),
		RSND_GEN_M_REG(DVC_DVUIR,	0xe04,	0x100),
		RSND_GEN_M_REG(DVC_ADINR,	0xe08,	0x100),
		RSND_GEN_M_REG(DVC_DVUCR,	0xe10,	0x100),
		RSND_GEN_M_REG(DVC_ZCMCR,	0xe14,	0x100),
		RSND_GEN_M_REG(DVC_VRCTR,	0xe18,	0x100),
		RSND_GEN_M_REG(DVC_VRPDR,	0xe1c,	0x100),
		RSND_GEN_M_REG(DVC_VRDBR,	0xe20,	0x100),
		RSND_GEN_M_REG(DVC_VOL0R,	0xe28,	0x100),
		RSND_GEN_M_REG(DVC_VOL1R,	0xe2c,	0x100),
		RSND_GEN_M_REG(DVC_DVUER,	0xe48,	0x100),
	};
	struct rsnd_regmap_field_conf conf_adg[] = {
		RSND_GEN_S_REG(BRRA,		0x00),
		RSND_GEN_S_REG(BRRB,		0x04),
		RSND_GEN_S_REG(SSICKR,		0x08),
		RSND_GEN_S_REG(AUDIO_CLK_SEL0,	0x0c),
		RSND_GEN_S_REG(AUDIO_CLK_SEL1,	0x10),
		RSND_GEN_S_REG(AUDIO_CLK_SEL2,	0x14),
		RSND_GEN_S_REG(DIV_EN,		0x30),
		RSND_GEN_S_REG(SRCIN_TIMSEL0,	0x34),
		RSND_GEN_S_REG(SRCIN_TIMSEL1,	0x38),
		RSND_GEN_S_REG(SRCIN_TIMSEL2,	0x3c),
		RSND_GEN_S_REG(SRCIN_TIMSEL3,	0x40),
		RSND_GEN_S_REG(SRCIN_TIMSEL4,	0x44),
		RSND_GEN_S_REG(SRCOUT_TIMSEL0,	0x48),
		RSND_GEN_S_REG(SRCOUT_TIMSEL1,	0x4c),
		RSND_GEN_S_REG(SRCOUT_TIMSEL2,	0x50),
		RSND_GEN_S_REG(SRCOUT_TIMSEL3,	0x54),
		RSND_GEN_S_REG(SRCOUT_TIMSEL4,	0x58),
		RSND_GEN_S_REG(CMDOUT_TIMSEL,	0x5c),
	};
	struct rsnd_regmap_field_conf conf_ssi[] = {
		RSND_GEN_M_REG(SSICR,		0x00,	0x40),
		RSND_GEN_M_REG(SSISR,		0x04,	0x40),
		RSND_GEN_M_REG(SSITDR,		0x08,	0x40),
		RSND_GEN_M_REG(SSIRDR,		0x0c,	0x40),
		RSND_GEN_M_REG(SSIWSR,		0x20,	0x40),
	};
	int ret_ssiu;
	int ret_scu;
	int ret_adg;
	int ret_ssi;

	ret_ssiu = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SSIU, conf_ssiu);
	ret_scu  = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SCU,  conf_scu);
	ret_adg  = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_ADG,  conf_adg);
	ret_ssi  = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SSI,  conf_ssi);
	if (ret_ssiu < 0 ||
	    ret_scu  < 0 ||
	    ret_adg  < 0 ||
	    ret_ssi  < 0)
		return ret_ssiu | ret_scu | ret_adg | ret_ssi;

	dev_dbg(dev, "Gen2 is probed\n");

	return 0;
}

/*
 *		Gen1
 */

static int rsnd_gen1_probe(struct platform_device *pdev,
			   struct rsnd_priv *priv)
{
	struct device *dev = rsnd_priv_to_dev(priv);
	struct rsnd_regmap_field_conf conf_sru[] = {
		RSND_GEN_S_REG(SRC_ROUTE_SEL,	0x00),
		RSND_GEN_S_REG(SRC_TMG_SEL0,	0x08),
		RSND_GEN_S_REG(SRC_TMG_SEL1,	0x0c),
		RSND_GEN_S_REG(SRC_TMG_SEL2,	0x10),
		RSND_GEN_S_REG(SRC_ROUTE_CTRL,	0xc0),
		RSND_GEN_S_REG(SSI_MODE0,	0xD0),
		RSND_GEN_S_REG(SSI_MODE1,	0xD4),
		RSND_GEN_M_REG(SRC_BUSIF_MODE,	0x20,	0x4),
		RSND_GEN_M_REG(SRC_ROUTE_MODE0,	0x50,	0x8),
		RSND_GEN_M_REG(SRC_SWRSR,	0x200,	0x40),
		RSND_GEN_M_REG(SRC_SRCIR,	0x204,	0x40),
		RSND_GEN_M_REG(SRC_ADINR,	0x214,	0x40),
		RSND_GEN_M_REG(SRC_IFSCR,	0x21c,	0x40),
		RSND_GEN_M_REG(SRC_IFSVR,	0x220,	0x40),
		RSND_GEN_M_REG(SRC_SRCCR,	0x224,	0x40),
		RSND_GEN_M_REG(SRC_MNFSR,	0x228,	0x40),
	};
	struct rsnd_regmap_field_conf conf_adg[] = {
		RSND_GEN_S_REG(BRRA,		0x00),
		RSND_GEN_S_REG(BRRB,		0x04),
		RSND_GEN_S_REG(SSICKR,		0x08),
		RSND_GEN_S_REG(AUDIO_CLK_SEL0,	0x0c),
		RSND_GEN_S_REG(AUDIO_CLK_SEL1,	0x10),
		RSND_GEN_S_REG(AUDIO_CLK_SEL3,	0x18),
		RSND_GEN_S_REG(AUDIO_CLK_SEL4,	0x1c),
		RSND_GEN_S_REG(AUDIO_CLK_SEL5,	0x20),
	};
	struct rsnd_regmap_field_conf conf_ssi[] = {
		RSND_GEN_M_REG(SSICR,		0x00,	0x40),
		RSND_GEN_M_REG(SSISR,		0x04,	0x40),
		RSND_GEN_M_REG(SSITDR,		0x08,	0x40),
		RSND_GEN_M_REG(SSIRDR,		0x0c,	0x40),
		RSND_GEN_M_REG(SSIWSR,		0x20,	0x40),
	};
	int ret_sru;
	int ret_adg;
	int ret_ssi;

	ret_sru  = rsnd_gen_regmap_init(priv, 9, RSND_GEN1_SRU,  conf_sru);
	ret_adg  = rsnd_gen_regmap_init(priv, 9, RSND_GEN1_ADG,  conf_adg);
	ret_ssi  = rsnd_gen_regmap_init(priv, 9, RSND_GEN1_SSI,  conf_ssi);
	if (ret_sru  < 0 ||
	    ret_adg  < 0 ||
	    ret_ssi  < 0)
		return ret_sru | ret_adg | ret_ssi;

	dev_dbg(dev, "Gen1 is probed\n");

	return 0;
}

/*
 *		Gen
 */
static void rsnd_of_parse_gen(struct platform_device *pdev,
			      const struct rsnd_of_data *of_data,
			      struct rsnd_priv *priv)
{
	struct rcar_snd_info *info = priv->info;

	if (!of_data)
		return;

	info->flags = of_data->flags;
}

int rsnd_gen_probe(struct platform_device *pdev,
		   const struct rsnd_of_data *of_data,
		   struct rsnd_priv *priv)
{
	struct device *dev = rsnd_priv_to_dev(priv);
	struct rsnd_gen *gen;
	int ret;

	rsnd_of_parse_gen(pdev, of_data, priv);

	gen = devm_kzalloc(dev, sizeof(*gen), GFP_KERNEL);
	if (!gen) {
		dev_err(dev, "GEN allocate failed\n");
		return -ENOMEM;
	}

	priv->gen = gen;

	ret = -ENODEV;
	if (rsnd_is_gen1(priv))
		ret = rsnd_gen1_probe(pdev, priv);
	else if (rsnd_is_gen2(priv))
		ret = rsnd_gen2_probe(pdev, priv);

	if (ret < 0)
		dev_err(dev, "unknown generation R-Car sound device\n");

	return ret;
}
Commit	Line	Data
3337744a KM	1	/*
	2	* Renesas R-Car Gen1 SRU/SSI support
	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	*/
ace0eb1e KM	11
	12	/*
	13	* #define DEBUG
	14	*
	15	* you can also add below in
	16	* ${LINUX}/drivers/base/regmap/regmap.c
	17	* for regmap debug
	18	*
	19	* #define LOG_DEVICE "xxxx.rcar_sound"
	20	*/
	21
3337744a KM	22	#include "rsnd.h"
3337744a KM	23
3337744a KM	24	struct rsnd_gen {
	25	void __iomem *base[RSND_BASE_MAX];
	26
3337744a	27	struct rsnd_gen_ops *ops;
55e5b6fd	28
b8c63786	29	struct regmap *regmap[RSND_BASE_MAX];
55e5b6fd	30	struct regmap_field *regs[RSND_REG_MAX];
3337744a KM	31	};
	32
	33	#define rsnd_priv_to_gen(p) ((struct rsnd_gen *)(p)->gen)
	34
b8c63786 KM	35	struct rsnd_regmap_field_conf {
	36	int idx;
	37	unsigned int reg_offset;
	38	unsigned int id_offset;
	39	};
55e5b6fd	40
b8c63786 KM	41	#define RSND_REG_SET(id, offset, _id_offset) \
	42	{ \
	43	.idx = id, \
	44	.reg_offset = offset, \
	45	.id_offset = _id_offset, \
55e5b6fd	46	}
b8c63786 KM	47	/* single address mapping */
	48	#define RSND_GEN_S_REG(id, offset) \
	49	RSND_REG_SET(RSND_REG_##id, offset, 0)
55e5b6fd	50
b8c63786 KM	51	/* multi address mapping */
	52	#define RSND_GEN_M_REG(id, offset, _id_offset) \
	53	RSND_REG_SET(RSND_REG_##id, offset, _id_offset)
55e5b6fd	54
b8c63786 KM	55	/*
	56	* basic function
	57	*/
42ee5d22 KM	58	static int rsnd_is_accessible_reg(struct rsnd_priv *priv,
	59	struct rsnd_gen *gen, enum rsnd_reg reg)
	60	{
	61	if (!gen->regs[reg]) {
	62	struct device *dev = rsnd_priv_to_dev(priv);
	63
	64	dev_err(dev, "unsupported register access %x\n", reg);
	65	return 0;
	66	}
	67
	68	return 1;
	69	}
	70
55e5b6fd KM	71	u32 rsnd_read(struct rsnd_priv *priv,
	72	struct rsnd_mod *mod, enum rsnd_reg reg)
	73	{
b8c63786	74	struct device *dev = rsnd_priv_to_dev(priv);
55e5b6fd KM	75	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
	76	u32 val;
	77
42ee5d22 KM	78	if (!rsnd_is_accessible_reg(priv, gen, reg))
	79	return 0;
	80
30cc4faf	81	dev_dbg(dev, "r %s[%d] - %4d : %08x\n",
ace0eb1e	82	rsnd_mod_name(mod), rsnd_mod_id(mod), reg, val);
55e5b6fd	83
ace0eb1e	84	regmap_fields_read(gen->regs[reg], rsnd_mod_id(mod), &val);
b8c63786	85
55e5b6fd KM	86	return val;
	87	}
	88
	89	void rsnd_write(struct rsnd_priv *priv,
	90	struct rsnd_mod *mod,
	91	enum rsnd_reg reg, u32 data)
	92	{
b8c63786	93	struct device *dev = rsnd_priv_to_dev(priv);
55e5b6fd KM	94	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
55e5b6fd KM	95
42ee5d22 KM	96	if (!rsnd_is_accessible_reg(priv, gen, reg))
	97	return;
	98
30cc4faf	99	dev_dbg(dev, "w %s[%d] - %4d : %08x\n",
ace0eb1e	100	rsnd_mod_name(mod), rsnd_mod_id(mod), reg, data);
b8c63786	101
ace0eb1e	102	regmap_fields_write(gen->regs[reg], rsnd_mod_id(mod), data);
55e5b6fd KM	103	}
	104
	105	void rsnd_bset(struct rsnd_priv priv, struct rsnd_mod mod,
	106	enum rsnd_reg reg, u32 mask, u32 data)
	107	{
4f8f86aa	108	struct device *dev = rsnd_priv_to_dev(priv);
55e5b6fd KM	109	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
55e5b6fd KM	110
42ee5d22 KM	111	if (!rsnd_is_accessible_reg(priv, gen, reg))
	112	return;
	113
30cc4faf	114	dev_dbg(dev, "b %s[%d] - %4d : %08x/%08x\n",
ace0eb1e KM	115	rsnd_mod_name(mod), rsnd_mod_id(mod), reg, data, mask);
ace0eb1e KM	116
55e5b6fd KM	117	regmap_fields_update_bits(gen->regs[reg], rsnd_mod_id(mod),
	118	mask, data);
	119	}
	120
b8c63786 KM	121	#define rsnd_gen_regmap_init(priv, id_size, reg_id, conf) \
	122	_rsnd_gen_regmap_init(priv, id_size, reg_id, conf, ARRAY_SIZE(conf))
	123	static int _rsnd_gen_regmap_init(struct rsnd_priv *priv,
	124	int id_size,
	125	int reg_id,
	126	struct rsnd_regmap_field_conf *conf,
	127	int conf_size)
c1e6cc5e	128	{
b8c63786 KM	129	struct platform_device *pdev = rsnd_priv_to_pdev(priv);
b8c63786 KM	130	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
c1e6cc5e	131	struct device *dev = rsnd_priv_to_dev(priv);
b8c63786	132	struct resource *res;
c1e6cc5e	133	struct regmap_config regc;
b8c63786 KM	134	struct regmap_field *regs;
	135	struct regmap *regmap;
	136	struct reg_field regf;
	137	void __iomem *base;
	138	int i;
c1e6cc5e KM	139
	140	memset(&regc, 0, sizeof(regc));
	141	regc.reg_bits = 32;
	142	regc.val_bits = 32;
b8c63786	143	regc.reg_stride = 4;
c1e6cc5e	144
b8c63786 KM	145	res = platform_get_resource(pdev, IORESOURCE_MEM, reg_id);
	146	if (!res)
	147	return -ENODEV;
	148
	149	base = devm_ioremap_resource(dev, res);
	150	if (IS_ERR(base))
	151	return PTR_ERR(base);
c1e6cc5e	152
b8c63786 KM	153	regmap = devm_regmap_init_mmio(dev, base, &regc);
	154	if (IS_ERR(regmap))
	155	return PTR_ERR(regmap);
42ee5d22	156
b8c63786 KM	157	gen->base[reg_id] = base;
b8c63786 KM	158	gen->regmap[reg_id] = regmap;
c1e6cc5e	159
b8c63786 KM	160	for (i = 0; i < conf_size; i++) {
	161
	162	regf.reg = conf[i].reg_offset;
	163	regf.id_offset = conf[i].id_offset;
	164	regf.lsb = 0;
	165	regf.msb = 31;
	166	regf.id_size = id_size;
	167
	168	regs = devm_regmap_field_alloc(dev, regmap, regf);
	169	if (IS_ERR(regs))
	170	return PTR_ERR(regs);
	171
	172	gen->regs[conf[i].idx] = regs;
c1e6cc5e KM	173	}
	174
	175	return 0;
	176	}
3337744a	177
ad32d0c7 KM	178	/*
	179	* DMA read/write register offset
	180	*
	181	* RSND_xxx_I_N for Audio DMAC input
	182	* RSND_xxx_O_N for Audio DMAC output
	183	* RSND_xxx_I_P for Audio DMAC peri peri input
	184	* RSND_xxx_O_P for Audio DMAC peri peri output
	185	*
	186	* ex) R-Car H2 case
	187	* mod / DMAC in / DMAC out / DMAC PP in / DMAC pp out
d9288d0b KM	188	* SSI : 0xec541000 / 0xec241008 / 0xec24100c
d9288d0b KM	189	* SSIU: 0xec541000 / 0xec100000 / 0xec100000 / 0xec400000 / 0xec400000
ad32d0c7	190	* SCU : 0xec500000 / 0xec000000 / 0xec004000 / 0xec300000 / 0xec304000
37523034	191	* CMD : 0xec500000 / / 0xec008000 0xec308000
ad32d0c7 KM	192	*/
	193	#define RDMA_SSI_I_N(addr, i) (addr ##_reg - 0x00300000 + (0x40 * i) + 0x8)
	194	#define RDMA_SSI_O_N(addr, i) (addr ##_reg - 0x00300000 + (0x40 * i) + 0xc)
	195
d9288d0b KM	196	#define RDMA_SSIU_I_N(addr, i) (addr ##_reg - 0x00441000 + (0x1000 * i))
	197	#define RDMA_SSIU_O_N(addr, i) (addr ##_reg - 0x00441000 + (0x1000 * i))
	198
	199	#define RDMA_SSIU_I_P(addr, i) (addr ##_reg - 0x00141000 + (0x1000 * i))
	200	#define RDMA_SSIU_O_P(addr, i) (addr ##_reg - 0x00141000 + (0x1000 * i))
ad32d0c7 KM	201
	202	#define RDMA_SRC_I_N(addr, i) (addr ##_reg - 0x00500000 + (0x400 * i))
	203	#define RDMA_SRC_O_N(addr, i) (addr ##_reg - 0x004fc000 + (0x400 * i))
	204
	205	#define RDMA_SRC_I_P(addr, i) (addr ##_reg - 0x00200000 + (0x400 * i))
	206	#define RDMA_SRC_O_P(addr, i) (addr ##_reg - 0x001fc000 + (0x400 * i))
	207
	208	#define RDMA_CMD_O_N(addr, i) (addr ##_reg - 0x004f8000 + (0x400 * i))
	209	#define RDMA_CMD_O_P(addr, i) (addr ##_reg - 0x001f8000 + (0x400 * i))
	210
37523034 KM	211	static dma_addr_t
	212	rsnd_gen2_dma_addr(struct rsnd_priv *priv,
	213	struct rsnd_mod *mod,
	214	int is_play, int is_from)
ad32d0c7 KM	215	{
	216	struct platform_device *pdev = rsnd_priv_to_pdev(priv);
	217	struct device *dev = rsnd_priv_to_dev(priv);
ad32d0c7 KM	218	struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
	219	dma_addr_t ssi_reg = platform_get_resource(pdev,
	220	IORESOURCE_MEM, RSND_GEN2_SSI)->start;
	221	dma_addr_t src_reg = platform_get_resource(pdev,
	222	IORESOURCE_MEM, RSND_GEN2_SCU)->start;
	223	int is_ssi = !!(rsnd_io_to_mod_ssi(io) == mod);
	224	int use_src = !!rsnd_io_to_mod_src(io);
	225	int use_dvc = !!rsnd_io_to_mod_dvc(io);
	226	int id = rsnd_mod_id(mod);
	227	struct dma_addr {
37523034 KM	228	dma_addr_t out_addr;
37523034 KM	229	dma_addr_t in_addr;
d9288d0b KM	230	} dma_addrs[3][2][3] = {
	231	/* SRC */
	232	{{{ 0, 0 },
	233	/* Capture */
37523034 KM	234	{ RDMA_SRC_O_N(src, id), RDMA_SRC_I_P(src, id) },
37523034 KM	235	{ RDMA_CMD_O_N(src, id), RDMA_SRC_I_P(src, id) } },
d9288d0b KM	236	/* Playback */
d9288d0b KM	237	{{ 0, 0, },
37523034 KM	238	{ RDMA_SRC_O_P(src, id), RDMA_SRC_I_N(src, id) },
37523034 KM	239	{ RDMA_CMD_O_P(src, id), RDMA_SRC_I_N(src, id) } }
d9288d0b KM	240	},
	241	/* SSI */
	242	/* Capture */
	243	{{{ RDMA_SSI_O_N(ssi, id), 0 },
37523034 KM	244	{ RDMA_SSIU_O_P(ssi, id), 0 },
37523034 KM	245	{ RDMA_SSIU_O_P(ssi, id), 0 } },
d9288d0b KM	246	/* Playback */
d9288d0b KM	247	{{ 0, RDMA_SSI_I_N(ssi, id) },
37523034 KM	248	{ 0, RDMA_SSIU_I_P(ssi, id) },
37523034 KM	249	{ 0, RDMA_SSIU_I_P(ssi, id) } }
d9288d0b KM	250	},
	251	/* SSIU */
	252	/* Capture */
	253	{{{ RDMA_SSIU_O_N(ssi, id), 0 },
37523034 KM	254	{ RDMA_SSIU_O_P(ssi, id), 0 },
37523034 KM	255	{ RDMA_SSIU_O_P(ssi, id), 0 } },
d9288d0b KM	256	/* Playback */
d9288d0b KM	257	{{ 0, RDMA_SSIU_I_N(ssi, id) },
37523034 KM	258	{ 0, RDMA_SSIU_I_P(ssi, id) },
37523034 KM	259	{ 0, RDMA_SSIU_I_P(ssi, id) } } },
ad32d0c7 KM	260	};
ad32d0c7 KM	261
ad32d0c7	262	/* it shouldn't happen */
c8e6e960	263	if (use_dvc && !use_src)
ad32d0c7	264	dev_err(dev, "DVC is selected without SRC\n");
ad32d0c7	265
d9288d0b KM	266	/* use SSIU or SSI ? */
	267	if (is_ssi && (0 == strcmp(rsnd_mod_dma_name(mod), "ssiu")))
	268	is_ssi++;
	269
37523034 KM	270	return (is_from) ?
	271	dma_addrs[is_ssi][is_play][use_src + use_dvc].out_addr :
	272	dma_addrs[is_ssi][is_play][use_src + use_dvc].in_addr;
ad32d0c7 KM	273	}
ad32d0c7 KM	274
37523034 KM	275	dma_addr_t rsnd_gen_dma_addr(struct rsnd_priv *priv,
	276	struct rsnd_mod *mod,
	277	int is_play, int is_from)
64eae986	278	{
64eae986 KM	279	/*
	280	* gen1 uses default DMA addr
	281	*/
	282	if (rsnd_is_gen1(priv))
37523034	283	return 0;
64eae986	284
37523034 KM	285	if (!mod)
37523034 KM	286	return 0;
64eae986	287
37523034 KM	288	return rsnd_gen2_dma_addr(priv, mod, is_play, is_from);
37523034 KM	289	}
64eae986	290
994a9df1 KM	291	/*
994a9df1 KM	292	* Gen2
994a9df1	293	*/
507d466c	294	static int rsnd_gen2_probe(struct platform_device *pdev,
507d466c KM	295	struct rsnd_priv *priv)
	296	{
	297	struct device *dev = rsnd_priv_to_dev(priv);
b8c63786 KM	298	struct rsnd_regmap_field_conf conf_ssiu[] = {
	299	RSND_GEN_S_REG(SSI_MODE0, 0x800),
	300	RSND_GEN_S_REG(SSI_MODE1, 0x804),
	301	/* FIXME: it needs SSI_MODE2/3 in the future */
	302	RSND_GEN_M_REG(SSI_BUSIF_MODE, 0x0, 0x80),
	303	RSND_GEN_M_REG(SSI_BUSIF_ADINR, 0x4, 0x80),
1cc71959	304	RSND_GEN_M_REG(BUSIF_DALIGN, 0x8, 0x80),
b8c63786 KM	305	RSND_GEN_M_REG(SSI_CTRL, 0x10, 0x80),
	306	RSND_GEN_M_REG(INT_ENABLE, 0x18, 0x80),
	307	};
	308	struct rsnd_regmap_field_conf conf_scu[] = {
	309	RSND_GEN_M_REG(SRC_BUSIF_MODE, 0x0, 0x20),
	310	RSND_GEN_M_REG(SRC_ROUTE_MODE0, 0xc, 0x20),
	311	RSND_GEN_M_REG(SRC_CTRL, 0x10, 0x20),
	312	RSND_GEN_M_REG(CMD_ROUTE_SLCT, 0x18c, 0x20),
	313	RSND_GEN_M_REG(CMD_CTRL, 0x190, 0x20),
	314	RSND_GEN_M_REG(SRC_SWRSR, 0x200, 0x40),
	315	RSND_GEN_M_REG(SRC_SRCIR, 0x204, 0x40),
	316	RSND_GEN_M_REG(SRC_ADINR, 0x214, 0x40),
	317	RSND_GEN_M_REG(SRC_IFSCR, 0x21c, 0x40),
	318	RSND_GEN_M_REG(SRC_IFSVR, 0x220, 0x40),
	319	RSND_GEN_M_REG(SRC_SRCCR, 0x224, 0x40),
	320	RSND_GEN_M_REG(SRC_BSDSR, 0x22c, 0x40),
	321	RSND_GEN_M_REG(SRC_BSISR, 0x238, 0x40),
	322	RSND_GEN_M_REG(DVC_SWRSR, 0xe00, 0x100),
	323	RSND_GEN_M_REG(DVC_DVUIR, 0xe04, 0x100),
	324	RSND_GEN_M_REG(DVC_ADINR, 0xe08, 0x100),
	325	RSND_GEN_M_REG(DVC_DVUCR, 0xe10, 0x100),
	326	RSND_GEN_M_REG(DVC_ZCMCR, 0xe14, 0x100),
3539cacf KM	327	RSND_GEN_M_REG(DVC_VRCTR, 0xe18, 0x100),
	328	RSND_GEN_M_REG(DVC_VRPDR, 0xe1c, 0x100),
	329	RSND_GEN_M_REG(DVC_VRDBR, 0xe20, 0x100),
b8c63786 KM	330	RSND_GEN_M_REG(DVC_VOL0R, 0xe28, 0x100),
	331	RSND_GEN_M_REG(DVC_VOL1R, 0xe2c, 0x100),
	332	RSND_GEN_M_REG(DVC_DVUER, 0xe48, 0x100),
	333	};
	334	struct rsnd_regmap_field_conf conf_adg[] = {
	335	RSND_GEN_S_REG(BRRA, 0x00),
	336	RSND_GEN_S_REG(BRRB, 0x04),
	337	RSND_GEN_S_REG(SSICKR, 0x08),
	338	RSND_GEN_S_REG(AUDIO_CLK_SEL0, 0x0c),
	339	RSND_GEN_S_REG(AUDIO_CLK_SEL1, 0x10),
	340	RSND_GEN_S_REG(AUDIO_CLK_SEL2, 0x14),
	341	RSND_GEN_S_REG(DIV_EN, 0x30),
	342	RSND_GEN_S_REG(SRCIN_TIMSEL0, 0x34),
	343	RSND_GEN_S_REG(SRCIN_TIMSEL1, 0x38),
	344	RSND_GEN_S_REG(SRCIN_TIMSEL2, 0x3c),
	345	RSND_GEN_S_REG(SRCIN_TIMSEL3, 0x40),
	346	RSND_GEN_S_REG(SRCIN_TIMSEL4, 0x44),
	347	RSND_GEN_S_REG(SRCOUT_TIMSEL0, 0x48),
	348	RSND_GEN_S_REG(SRCOUT_TIMSEL1, 0x4c),
	349	RSND_GEN_S_REG(SRCOUT_TIMSEL2, 0x50),
	350	RSND_GEN_S_REG(SRCOUT_TIMSEL3, 0x54),
	351	RSND_GEN_S_REG(SRCOUT_TIMSEL4, 0x58),
	352	RSND_GEN_S_REG(CMDOUT_TIMSEL, 0x5c),
	353	};
	354	struct rsnd_regmap_field_conf conf_ssi[] = {
	355	RSND_GEN_M_REG(SSICR, 0x00, 0x40),
	356	RSND_GEN_M_REG(SSISR, 0x04, 0x40),
	357	RSND_GEN_M_REG(SSITDR, 0x08, 0x40),
	358	RSND_GEN_M_REG(SSIRDR, 0x0c, 0x40),
	359	RSND_GEN_M_REG(SSIWSR, 0x20, 0x40),
	360	};
	361	int ret_ssiu;
	362	int ret_scu;
	363	int ret_adg;
	364	int ret_ssi;
	365
	366	ret_ssiu = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SSIU, conf_ssiu);
	367	ret_scu = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SCU, conf_scu);
	368	ret_adg = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_ADG, conf_adg);
	369	ret_ssi = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SSI, conf_ssi);
	370	if (ret_ssiu < 0 \|\|
	371	ret_scu < 0 \|\|
	372	ret_adg < 0 \|\|
	373	ret_ssi < 0)
	374	return ret_ssiu \| ret_scu \| ret_adg \| ret_ssi;
	375
	376	dev_dbg(dev, "Gen2 is probed\n");
507d466c KM	377
	378	return 0;
	379	}
	380
994a9df1 KM	381	/*
	382	* Gen1
	383	*/
	384
3337744a	385	static int rsnd_gen1_probe(struct platform_device *pdev,
3337744a KM	386	struct rsnd_priv *priv)
3337744a KM	387	{
07539c1d	388	struct device *dev = rsnd_priv_to_dev(priv);
b8c63786 KM	389	struct rsnd_regmap_field_conf conf_sru[] = {
	390	RSND_GEN_S_REG(SRC_ROUTE_SEL, 0x00),
	391	RSND_GEN_S_REG(SRC_TMG_SEL0, 0x08),
	392	RSND_GEN_S_REG(SRC_TMG_SEL1, 0x0c),
	393	RSND_GEN_S_REG(SRC_TMG_SEL2, 0x10),
	394	RSND_GEN_S_REG(SRC_ROUTE_CTRL, 0xc0),
	395	RSND_GEN_S_REG(SSI_MODE0, 0xD0),
	396	RSND_GEN_S_REG(SSI_MODE1, 0xD4),
	397	RSND_GEN_M_REG(SRC_BUSIF_MODE, 0x20, 0x4),
	398	RSND_GEN_M_REG(SRC_ROUTE_MODE0, 0x50, 0x8),
	399	RSND_GEN_M_REG(SRC_SWRSR, 0x200, 0x40),
	400	RSND_GEN_M_REG(SRC_SRCIR, 0x204, 0x40),
	401	RSND_GEN_M_REG(SRC_ADINR, 0x214, 0x40),
	402	RSND_GEN_M_REG(SRC_IFSCR, 0x21c, 0x40),
	403	RSND_GEN_M_REG(SRC_IFSVR, 0x220, 0x40),
	404	RSND_GEN_M_REG(SRC_SRCCR, 0x224, 0x40),
	405	RSND_GEN_M_REG(SRC_MNFSR, 0x228, 0x40),
	406	};
	407	struct rsnd_regmap_field_conf conf_adg[] = {
	408	RSND_GEN_S_REG(BRRA, 0x00),
	409	RSND_GEN_S_REG(BRRB, 0x04),
	410	RSND_GEN_S_REG(SSICKR, 0x08),
	411	RSND_GEN_S_REG(AUDIO_CLK_SEL0, 0x0c),
	412	RSND_GEN_S_REG(AUDIO_CLK_SEL1, 0x10),
	413	RSND_GEN_S_REG(AUDIO_CLK_SEL3, 0x18),
	414	RSND_GEN_S_REG(AUDIO_CLK_SEL4, 0x1c),
	415	RSND_GEN_S_REG(AUDIO_CLK_SEL5, 0x20),
	416	};
	417	struct rsnd_regmap_field_conf conf_ssi[] = {
	418	RSND_GEN_M_REG(SSICR, 0x00, 0x40),
	419	RSND_GEN_M_REG(SSISR, 0x04, 0x40),
	420	RSND_GEN_M_REG(SSITDR, 0x08, 0x40),
	421	RSND_GEN_M_REG(SSIRDR, 0x0c, 0x40),
	422	RSND_GEN_M_REG(SSIWSR, 0x20, 0x40),
	423	};
	424	int ret_sru;
	425	int ret_adg;
	426	int ret_ssi;
07539c1d	427
b8c63786 KM	428	ret_sru = rsnd_gen_regmap_init(priv, 9, RSND_GEN1_SRU, conf_sru);
	429	ret_adg = rsnd_gen_regmap_init(priv, 9, RSND_GEN1_ADG, conf_adg);
	430	ret_ssi = rsnd_gen_regmap_init(priv, 9, RSND_GEN1_SSI, conf_ssi);
	431	if (ret_sru < 0 \|\|
	432	ret_adg < 0 \|\|
	433	ret_ssi < 0)
	434	return ret_sru \| ret_adg \| ret_ssi;
07539c1d	435
b8c63786	436	dev_dbg(dev, "Gen1 is probed\n");
07539c1d	437
3337744a KM	438	return 0;
	439	}
	440
3337744a KM	441	/*
	442	* Gen
	443	*/
90e8e50f KM	444	static void rsnd_of_parse_gen(struct platform_device *pdev,
	445	const struct rsnd_of_data *of_data,
	446	struct rsnd_priv *priv)
	447	{
	448	struct rcar_snd_info *info = priv->info;
	449
	450	if (!of_data)
	451	return;
	452
	453	info->flags = of_data->flags;
	454	}
	455
3337744a	456	int rsnd_gen_probe(struct platform_device *pdev,
90e8e50f	457	const struct rsnd_of_data *of_data,
3337744a KM	458	struct rsnd_priv *priv)
	459	{
	460	struct device *dev = rsnd_priv_to_dev(priv);
	461	struct rsnd_gen *gen;
531eaf49	462	int ret;
3337744a	463
90e8e50f KM	464	rsnd_of_parse_gen(pdev, of_data, priv);
90e8e50f KM	465
3337744a KM	466	gen = devm_kzalloc(dev, sizeof(*gen), GFP_KERNEL);
	467	if (!gen) {
	468	dev_err(dev, "GEN allocate failed\n");
	469	return -ENOMEM;
	470	}
	471
531eaf49	472	priv->gen = gen;
072188b6	473
507d466c KM	474	ret = -ENODEV;
507d466c KM	475	if (rsnd_is_gen1(priv))
5da39cf3	476	ret = rsnd_gen1_probe(pdev, priv);
507d466c	477	else if (rsnd_is_gen2(priv))
5da39cf3	478	ret = rsnd_gen2_probe(pdev, priv);
507d466c KM	479
507d466c KM	480	if (ret < 0)
072188b6	481	dev_err(dev, "unknown generation R-Car sound device\n");
072188b6	482
531eaf49	483	return ret;
3337744a	484	}