[linux-2.6-block.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.
 */
#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;

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

	dev_dbg(dev, "r %s - 0x%04d : %08x\n", rsnd_mod_name(mod), reg, 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;

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

	dev_dbg(dev, "w %s - 0x%04d : %08x\n", rsnd_mod_name(mod), reg, 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;

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

	dev_dbg(dev, "b %s - 0x%04d : %08x/%08x\n",
		rsnd_mod_name(mod), reg, data, mask);
}

#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_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	*/
	11	#include "rsnd.h"
	12
3337744a KM	13	struct rsnd_gen {
	14	void __iomem *base[RSND_BASE_MAX];
	15
3337744a	16	struct rsnd_gen_ops *ops;
55e5b6fd	17
b8c63786	18	struct regmap *regmap[RSND_BASE_MAX];
55e5b6fd	19	struct regmap_field *regs[RSND_REG_MAX];
3337744a KM	20	};
	21
	22	#define rsnd_priv_to_gen(p) ((struct rsnd_gen *)(p)->gen)
	23
b8c63786 KM	24	struct rsnd_regmap_field_conf {
	25	int idx;
	26	unsigned int reg_offset;
	27	unsigned int id_offset;
	28	};
55e5b6fd	29
b8c63786 KM	30	#define RSND_REG_SET(id, offset, _id_offset) \
	31	{ \
	32	.idx = id, \
	33	.reg_offset = offset, \
	34	.id_offset = _id_offset, \
55e5b6fd	35	}
b8c63786 KM	36	/* single address mapping */
	37	#define RSND_GEN_S_REG(id, offset) \
	38	RSND_REG_SET(RSND_REG_##id, offset, 0)
55e5b6fd	39
b8c63786 KM	40	/* multi address mapping */
	41	#define RSND_GEN_M_REG(id, offset, _id_offset) \
	42	RSND_REG_SET(RSND_REG_##id, offset, _id_offset)
55e5b6fd	43
b8c63786 KM	44	/*
	45	* basic function
	46	*/
42ee5d22 KM	47	static int rsnd_is_accessible_reg(struct rsnd_priv *priv,
	48	struct rsnd_gen *gen, enum rsnd_reg reg)
	49	{
	50	if (!gen->regs[reg]) {
	51	struct device *dev = rsnd_priv_to_dev(priv);
	52
	53	dev_err(dev, "unsupported register access %x\n", reg);
	54	return 0;
	55	}
	56
	57	return 1;
	58	}
	59
55e5b6fd KM	60	u32 rsnd_read(struct rsnd_priv *priv,
	61	struct rsnd_mod *mod, enum rsnd_reg reg)
	62	{
b8c63786	63	struct device *dev = rsnd_priv_to_dev(priv);
55e5b6fd KM	64	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
	65	u32 val;
	66
42ee5d22 KM	67	if (!rsnd_is_accessible_reg(priv, gen, reg))
	68	return 0;
	69
55e5b6fd KM	70	regmap_fields_read(gen->regs[reg], rsnd_mod_id(mod), &val);
55e5b6fd KM	71
b8c63786 KM	72	dev_dbg(dev, "r %s - 0x%04d : %08x\n", rsnd_mod_name(mod), reg, val);
b8c63786 KM	73
55e5b6fd KM	74	return val;
	75	}
	76
	77	void rsnd_write(struct rsnd_priv *priv,
	78	struct rsnd_mod *mod,
	79	enum rsnd_reg reg, u32 data)
	80	{
b8c63786	81	struct device *dev = rsnd_priv_to_dev(priv);
55e5b6fd KM	82	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
55e5b6fd KM	83
42ee5d22 KM	84	if (!rsnd_is_accessible_reg(priv, gen, reg))
	85	return;
	86
55e5b6fd	87	regmap_fields_write(gen->regs[reg], rsnd_mod_id(mod), data);
b8c63786 KM	88
b8c63786 KM	89	dev_dbg(dev, "w %s - 0x%04d : %08x\n", rsnd_mod_name(mod), reg, data);
55e5b6fd KM	90	}
	91
	92	void rsnd_bset(struct rsnd_priv priv, struct rsnd_mod mod,
	93	enum rsnd_reg reg, u32 mask, u32 data)
	94	{
4f8f86aa	95	struct device *dev = rsnd_priv_to_dev(priv);
55e5b6fd KM	96	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
55e5b6fd KM	97
42ee5d22 KM	98	if (!rsnd_is_accessible_reg(priv, gen, reg))
	99	return;
	100
55e5b6fd KM	101	regmap_fields_update_bits(gen->regs[reg], rsnd_mod_id(mod),
55e5b6fd KM	102	mask, data);
4f8f86aa KM	103
	104	dev_dbg(dev, "b %s - 0x%04d : %08x/%08x\n",
	105	rsnd_mod_name(mod), reg, data, mask);
55e5b6fd KM	106	}
55e5b6fd KM	107
b8c63786 KM	108	#define rsnd_gen_regmap_init(priv, id_size, reg_id, conf) \
	109	_rsnd_gen_regmap_init(priv, id_size, reg_id, conf, ARRAY_SIZE(conf))
	110	static int _rsnd_gen_regmap_init(struct rsnd_priv *priv,
	111	int id_size,
	112	int reg_id,
	113	struct rsnd_regmap_field_conf *conf,
	114	int conf_size)
c1e6cc5e	115	{
b8c63786 KM	116	struct platform_device *pdev = rsnd_priv_to_pdev(priv);
b8c63786 KM	117	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
c1e6cc5e	118	struct device *dev = rsnd_priv_to_dev(priv);
b8c63786	119	struct resource *res;
c1e6cc5e	120	struct regmap_config regc;
b8c63786 KM	121	struct regmap_field *regs;
	122	struct regmap *regmap;
	123	struct reg_field regf;
	124	void __iomem *base;
	125	int i;
c1e6cc5e KM	126
	127	memset(&regc, 0, sizeof(regc));
	128	regc.reg_bits = 32;
	129	regc.val_bits = 32;
b8c63786	130	regc.reg_stride = 4;
c1e6cc5e	131
b8c63786 KM	132	res = platform_get_resource(pdev, IORESOURCE_MEM, reg_id);
	133	if (!res)
	134	return -ENODEV;
	135
	136	base = devm_ioremap_resource(dev, res);
	137	if (IS_ERR(base))
	138	return PTR_ERR(base);
c1e6cc5e	139
b8c63786 KM	140	regmap = devm_regmap_init_mmio(dev, base, &regc);
	141	if (IS_ERR(regmap))
	142	return PTR_ERR(regmap);
42ee5d22	143
b8c63786 KM	144	gen->base[reg_id] = base;
b8c63786 KM	145	gen->regmap[reg_id] = regmap;
c1e6cc5e	146
b8c63786 KM	147	for (i = 0; i < conf_size; i++) {
	148
	149	regf.reg = conf[i].reg_offset;
	150	regf.id_offset = conf[i].id_offset;
	151	regf.lsb = 0;
	152	regf.msb = 31;
	153	regf.id_size = id_size;
	154
	155	regs = devm_regmap_field_alloc(dev, regmap, regf);
	156	if (IS_ERR(regs))
	157	return PTR_ERR(regs);
	158
	159	gen->regs[conf[i].idx] = regs;
c1e6cc5e KM	160	}
	161
	162	return 0;
	163	}
3337744a	164
ad32d0c7 KM	165	/*
	166	* DMA read/write register offset
	167	*
	168	* RSND_xxx_I_N for Audio DMAC input
	169	* RSND_xxx_O_N for Audio DMAC output
	170	* RSND_xxx_I_P for Audio DMAC peri peri input
	171	* RSND_xxx_O_P for Audio DMAC peri peri output
	172	*
	173	* ex) R-Car H2 case
	174	* mod / DMAC in / DMAC out / DMAC PP in / DMAC pp out
d9288d0b KM	175	* SSI : 0xec541000 / 0xec241008 / 0xec24100c
d9288d0b KM	176	* SSIU: 0xec541000 / 0xec100000 / 0xec100000 / 0xec400000 / 0xec400000
ad32d0c7	177	* SCU : 0xec500000 / 0xec000000 / 0xec004000 / 0xec300000 / 0xec304000
37523034	178	* CMD : 0xec500000 / / 0xec008000 0xec308000
ad32d0c7 KM	179	*/
	180	#define RDMA_SSI_I_N(addr, i) (addr ##_reg - 0x00300000 + (0x40 * i) + 0x8)
	181	#define RDMA_SSI_O_N(addr, i) (addr ##_reg - 0x00300000 + (0x40 * i) + 0xc)
	182
d9288d0b KM	183	#define RDMA_SSIU_I_N(addr, i) (addr ##_reg - 0x00441000 + (0x1000 * i))
	184	#define RDMA_SSIU_O_N(addr, i) (addr ##_reg - 0x00441000 + (0x1000 * i))
	185
	186	#define RDMA_SSIU_I_P(addr, i) (addr ##_reg - 0x00141000 + (0x1000 * i))
	187	#define RDMA_SSIU_O_P(addr, i) (addr ##_reg - 0x00141000 + (0x1000 * i))
ad32d0c7 KM	188
	189	#define RDMA_SRC_I_N(addr, i) (addr ##_reg - 0x00500000 + (0x400 * i))
	190	#define RDMA_SRC_O_N(addr, i) (addr ##_reg - 0x004fc000 + (0x400 * i))
	191
	192	#define RDMA_SRC_I_P(addr, i) (addr ##_reg - 0x00200000 + (0x400 * i))
	193	#define RDMA_SRC_O_P(addr, i) (addr ##_reg - 0x001fc000 + (0x400 * i))
	194
	195	#define RDMA_CMD_O_N(addr, i) (addr ##_reg - 0x004f8000 + (0x400 * i))
	196	#define RDMA_CMD_O_P(addr, i) (addr ##_reg - 0x001f8000 + (0x400 * i))
	197
37523034 KM	198	static dma_addr_t
	199	rsnd_gen2_dma_addr(struct rsnd_priv *priv,
	200	struct rsnd_mod *mod,
	201	int is_play, int is_from)
ad32d0c7 KM	202	{
	203	struct platform_device *pdev = rsnd_priv_to_pdev(priv);
	204	struct device *dev = rsnd_priv_to_dev(priv);
ad32d0c7 KM	205	struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
	206	dma_addr_t ssi_reg = platform_get_resource(pdev,
	207	IORESOURCE_MEM, RSND_GEN2_SSI)->start;
	208	dma_addr_t src_reg = platform_get_resource(pdev,
	209	IORESOURCE_MEM, RSND_GEN2_SCU)->start;
	210	int is_ssi = !!(rsnd_io_to_mod_ssi(io) == mod);
	211	int use_src = !!rsnd_io_to_mod_src(io);
	212	int use_dvc = !!rsnd_io_to_mod_dvc(io);
	213	int id = rsnd_mod_id(mod);
	214	struct dma_addr {
37523034 KM	215	dma_addr_t out_addr;
37523034 KM	216	dma_addr_t in_addr;
d9288d0b KM	217	} dma_addrs[3][2][3] = {
	218	/* SRC */
	219	{{{ 0, 0 },
	220	/* Capture */
37523034 KM	221	{ RDMA_SRC_O_N(src, id), RDMA_SRC_I_P(src, id) },
37523034 KM	222	{ RDMA_CMD_O_N(src, id), RDMA_SRC_I_P(src, id) } },
d9288d0b KM	223	/* Playback */
d9288d0b KM	224	{{ 0, 0, },
37523034 KM	225	{ RDMA_SRC_O_P(src, id), RDMA_SRC_I_N(src, id) },
37523034 KM	226	{ RDMA_CMD_O_P(src, id), RDMA_SRC_I_N(src, id) } }
d9288d0b KM	227	},
	228	/* SSI */
	229	/* Capture */
	230	{{{ RDMA_SSI_O_N(ssi, id), 0 },
37523034 KM	231	{ RDMA_SSIU_O_P(ssi, id), 0 },
37523034 KM	232	{ RDMA_SSIU_O_P(ssi, id), 0 } },
d9288d0b KM	233	/* Playback */
d9288d0b KM	234	{{ 0, RDMA_SSI_I_N(ssi, id) },
37523034 KM	235	{ 0, RDMA_SSIU_I_P(ssi, id) },
37523034 KM	236	{ 0, RDMA_SSIU_I_P(ssi, id) } }
d9288d0b KM	237	},
	238	/* SSIU */
	239	/* Capture */
	240	{{{ RDMA_SSIU_O_N(ssi, id), 0 },
37523034 KM	241	{ RDMA_SSIU_O_P(ssi, id), 0 },
37523034 KM	242	{ RDMA_SSIU_O_P(ssi, id), 0 } },
d9288d0b KM	243	/* Playback */
d9288d0b KM	244	{{ 0, RDMA_SSIU_I_N(ssi, id) },
37523034 KM	245	{ 0, RDMA_SSIU_I_P(ssi, id) },
37523034 KM	246	{ 0, RDMA_SSIU_I_P(ssi, id) } } },
ad32d0c7 KM	247	};
ad32d0c7 KM	248
ad32d0c7	249	/* it shouldn't happen */
c8e6e960	250	if (use_dvc && !use_src)
ad32d0c7	251	dev_err(dev, "DVC is selected without SRC\n");
ad32d0c7	252
d9288d0b KM	253	/* use SSIU or SSI ? */
	254	if (is_ssi && (0 == strcmp(rsnd_mod_dma_name(mod), "ssiu")))
	255	is_ssi++;
	256
37523034 KM	257	return (is_from) ?
	258	dma_addrs[is_ssi][is_play][use_src + use_dvc].out_addr :
	259	dma_addrs[is_ssi][is_play][use_src + use_dvc].in_addr;
ad32d0c7 KM	260	}
ad32d0c7 KM	261
37523034 KM	262	dma_addr_t rsnd_gen_dma_addr(struct rsnd_priv *priv,
	263	struct rsnd_mod *mod,
	264	int is_play, int is_from)
64eae986	265	{
64eae986 KM	266	/*
	267	* gen1 uses default DMA addr
	268	*/
	269	if (rsnd_is_gen1(priv))
37523034	270	return 0;
64eae986	271
37523034 KM	272	if (!mod)
37523034 KM	273	return 0;
64eae986	274
37523034 KM	275	return rsnd_gen2_dma_addr(priv, mod, is_play, is_from);
37523034 KM	276	}
64eae986	277
994a9df1 KM	278	/*
994a9df1 KM	279	* Gen2
994a9df1	280	*/
507d466c	281	static int rsnd_gen2_probe(struct platform_device *pdev,
507d466c KM	282	struct rsnd_priv *priv)
	283	{
	284	struct device *dev = rsnd_priv_to_dev(priv);
b8c63786 KM	285	struct rsnd_regmap_field_conf conf_ssiu[] = {
	286	RSND_GEN_S_REG(SSI_MODE0, 0x800),
	287	RSND_GEN_S_REG(SSI_MODE1, 0x804),
	288	/* FIXME: it needs SSI_MODE2/3 in the future */
	289	RSND_GEN_M_REG(SSI_BUSIF_MODE, 0x0, 0x80),
	290	RSND_GEN_M_REG(SSI_BUSIF_ADINR, 0x4, 0x80),
1cc71959	291	RSND_GEN_M_REG(BUSIF_DALIGN, 0x8, 0x80),
b8c63786 KM	292	RSND_GEN_M_REG(SSI_CTRL, 0x10, 0x80),
	293	RSND_GEN_M_REG(INT_ENABLE, 0x18, 0x80),
	294	};
	295	struct rsnd_regmap_field_conf conf_scu[] = {
	296	RSND_GEN_M_REG(SRC_BUSIF_MODE, 0x0, 0x20),
	297	RSND_GEN_M_REG(SRC_ROUTE_MODE0, 0xc, 0x20),
	298	RSND_GEN_M_REG(SRC_CTRL, 0x10, 0x20),
	299	RSND_GEN_M_REG(CMD_ROUTE_SLCT, 0x18c, 0x20),
	300	RSND_GEN_M_REG(CMD_CTRL, 0x190, 0x20),
	301	RSND_GEN_M_REG(SRC_SWRSR, 0x200, 0x40),
	302	RSND_GEN_M_REG(SRC_SRCIR, 0x204, 0x40),
	303	RSND_GEN_M_REG(SRC_ADINR, 0x214, 0x40),
	304	RSND_GEN_M_REG(SRC_IFSCR, 0x21c, 0x40),
	305	RSND_GEN_M_REG(SRC_IFSVR, 0x220, 0x40),
	306	RSND_GEN_M_REG(SRC_SRCCR, 0x224, 0x40),
	307	RSND_GEN_M_REG(SRC_BSDSR, 0x22c, 0x40),
	308	RSND_GEN_M_REG(SRC_BSISR, 0x238, 0x40),
	309	RSND_GEN_M_REG(DVC_SWRSR, 0xe00, 0x100),
	310	RSND_GEN_M_REG(DVC_DVUIR, 0xe04, 0x100),
	311	RSND_GEN_M_REG(DVC_ADINR, 0xe08, 0x100),
	312	RSND_GEN_M_REG(DVC_DVUCR, 0xe10, 0x100),
	313	RSND_GEN_M_REG(DVC_ZCMCR, 0xe14, 0x100),
	314	RSND_GEN_M_REG(DVC_VOL0R, 0xe28, 0x100),
	315	RSND_GEN_M_REG(DVC_VOL1R, 0xe2c, 0x100),
	316	RSND_GEN_M_REG(DVC_DVUER, 0xe48, 0x100),
	317	};
	318	struct rsnd_regmap_field_conf conf_adg[] = {
	319	RSND_GEN_S_REG(BRRA, 0x00),
	320	RSND_GEN_S_REG(BRRB, 0x04),
	321	RSND_GEN_S_REG(SSICKR, 0x08),
	322	RSND_GEN_S_REG(AUDIO_CLK_SEL0, 0x0c),
	323	RSND_GEN_S_REG(AUDIO_CLK_SEL1, 0x10),
	324	RSND_GEN_S_REG(AUDIO_CLK_SEL2, 0x14),
	325	RSND_GEN_S_REG(DIV_EN, 0x30),
	326	RSND_GEN_S_REG(SRCIN_TIMSEL0, 0x34),
	327	RSND_GEN_S_REG(SRCIN_TIMSEL1, 0x38),
	328	RSND_GEN_S_REG(SRCIN_TIMSEL2, 0x3c),
	329	RSND_GEN_S_REG(SRCIN_TIMSEL3, 0x40),
	330	RSND_GEN_S_REG(SRCIN_TIMSEL4, 0x44),
	331	RSND_GEN_S_REG(SRCOUT_TIMSEL0, 0x48),
	332	RSND_GEN_S_REG(SRCOUT_TIMSEL1, 0x4c),
	333	RSND_GEN_S_REG(SRCOUT_TIMSEL2, 0x50),
	334	RSND_GEN_S_REG(SRCOUT_TIMSEL3, 0x54),
	335	RSND_GEN_S_REG(SRCOUT_TIMSEL4, 0x58),
	336	RSND_GEN_S_REG(CMDOUT_TIMSEL, 0x5c),
	337	};
	338	struct rsnd_regmap_field_conf conf_ssi[] = {
	339	RSND_GEN_M_REG(SSICR, 0x00, 0x40),
	340	RSND_GEN_M_REG(SSISR, 0x04, 0x40),
	341	RSND_GEN_M_REG(SSITDR, 0x08, 0x40),
	342	RSND_GEN_M_REG(SSIRDR, 0x0c, 0x40),
	343	RSND_GEN_M_REG(SSIWSR, 0x20, 0x40),
	344	};
	345	int ret_ssiu;
	346	int ret_scu;
	347	int ret_adg;
	348	int ret_ssi;
	349
	350	ret_ssiu = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SSIU, conf_ssiu);
	351	ret_scu = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SCU, conf_scu);
	352	ret_adg = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_ADG, conf_adg);
	353	ret_ssi = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SSI, conf_ssi);
	354	if (ret_ssiu < 0 \|\|
	355	ret_scu < 0 \|\|
356	ret_adg < 0 \|\|
357	ret_ssi < 0)
358	return ret_ssiu \| ret_scu \| ret_adg \| ret_ssi;
359
360	dev_dbg(dev, "Gen2 is probed\n");
507d466c KM	361
	362	return 0;
	363	}
	364
994a9df1 KM	365	/*
	366	* Gen1
	367	*/
	368
3337744a	369	static int rsnd_gen1_probe(struct platform_device *pdev,
3337744a KM	370	struct rsnd_priv *priv)
3337744a KM	371	{
07539c1d	372	struct device *dev = rsnd_priv_to_dev(priv);
b8c63786 KM	373	struct rsnd_regmap_field_conf conf_sru[] = {
	374	RSND_GEN_S_REG(SRC_ROUTE_SEL, 0x00),
	375	RSND_GEN_S_REG(SRC_TMG_SEL0, 0x08),
	376	RSND_GEN_S_REG(SRC_TMG_SEL1, 0x0c),
	377	RSND_GEN_S_REG(SRC_TMG_SEL2, 0x10),
	378	RSND_GEN_S_REG(SRC_ROUTE_CTRL, 0xc0),
	379	RSND_GEN_S_REG(SSI_MODE0, 0xD0),
	380	RSND_GEN_S_REG(SSI_MODE1, 0xD4),
	381	RSND_GEN_M_REG(SRC_BUSIF_MODE, 0x20, 0x4),
	382	RSND_GEN_M_REG(SRC_ROUTE_MODE0, 0x50, 0x8),
	383	RSND_GEN_M_REG(SRC_SWRSR, 0x200, 0x40),
	384	RSND_GEN_M_REG(SRC_SRCIR, 0x204, 0x40),
	385	RSND_GEN_M_REG(SRC_ADINR, 0x214, 0x40),
	386	RSND_GEN_M_REG(SRC_IFSCR, 0x21c, 0x40),
	387	RSND_GEN_M_REG(SRC_IFSVR, 0x220, 0x40),
	388	RSND_GEN_M_REG(SRC_SRCCR, 0x224, 0x40),
	389	RSND_GEN_M_REG(SRC_MNFSR, 0x228, 0x40),
	390	};
	391	struct rsnd_regmap_field_conf conf_adg[] = {
	392	RSND_GEN_S_REG(BRRA, 0x00),
	393	RSND_GEN_S_REG(BRRB, 0x04),
	394	RSND_GEN_S_REG(SSICKR, 0x08),
	395	RSND_GEN_S_REG(AUDIO_CLK_SEL0, 0x0c),
	396	RSND_GEN_S_REG(AUDIO_CLK_SEL1, 0x10),
	397	RSND_GEN_S_REG(AUDIO_CLK_SEL3, 0x18),
	398	RSND_GEN_S_REG(AUDIO_CLK_SEL4, 0x1c),
	399	RSND_GEN_S_REG(AUDIO_CLK_SEL5, 0x20),
	400	};
	401	struct rsnd_regmap_field_conf conf_ssi[] = {
	402	RSND_GEN_M_REG(SSICR, 0x00, 0x40),
	403	RSND_GEN_M_REG(SSISR, 0x04, 0x40),
	404	RSND_GEN_M_REG(SSITDR, 0x08, 0x40),
	405	RSND_GEN_M_REG(SSIRDR, 0x0c, 0x40),
	406	RSND_GEN_M_REG(SSIWSR, 0x20, 0x40),
	407	};
	408	int ret_sru;
	409	int ret_adg;
	410	int ret_ssi;
07539c1d	411
b8c63786 KM	412	ret_sru = rsnd_gen_regmap_init(priv, 9, RSND_GEN1_SRU, conf_sru);
	413	ret_adg = rsnd_gen_regmap_init(priv, 9, RSND_GEN1_ADG, conf_adg);
	414	ret_ssi = rsnd_gen_regmap_init(priv, 9, RSND_GEN1_SSI, conf_ssi);
	415	if (ret_sru < 0 \|\|
	416	ret_adg < 0 \|\|
	417	ret_ssi < 0)
	418	return ret_sru \| ret_adg \| ret_ssi;
07539c1d	419
b8c63786	420	dev_dbg(dev, "Gen1 is probed\n");
07539c1d	421
3337744a KM	422	return 0;
	423	}
	424
3337744a KM	425	/*
	426	* Gen
	427	*/
90e8e50f KM	428	static void rsnd_of_parse_gen(struct platform_device *pdev,
	429	const struct rsnd_of_data *of_data,
	430	struct rsnd_priv *priv)
	431	{
	432	struct rcar_snd_info *info = priv->info;
	433
	434	if (!of_data)
	435	return;
	436
	437	info->flags = of_data->flags;
	438	}
	439
3337744a	440	int rsnd_gen_probe(struct platform_device *pdev,
90e8e50f	441	const struct rsnd_of_data *of_data,
3337744a KM	442	struct rsnd_priv *priv)
	443	{
	444	struct device *dev = rsnd_priv_to_dev(priv);
	445	struct rsnd_gen *gen;
531eaf49	446	int ret;
3337744a	447
90e8e50f KM	448	rsnd_of_parse_gen(pdev, of_data, priv);
90e8e50f KM	449
3337744a KM	450	gen = devm_kzalloc(dev, sizeof(*gen), GFP_KERNEL);
	451	if (!gen) {
	452	dev_err(dev, "GEN allocate failed\n");
	453	return -ENOMEM;
	454	}
	455
531eaf49	456	priv->gen = gen;
072188b6	457
507d466c KM	458	ret = -ENODEV;
507d466c KM	459	if (rsnd_is_gen1(priv))
5da39cf3	460	ret = rsnd_gen1_probe(pdev, priv);
507d466c	461	else if (rsnd_is_gen2(priv))
5da39cf3	462	ret = rsnd_gen2_probe(pdev, priv);
507d466c KM	463
507d466c KM	464	if (ret < 0)
072188b6	465	dev_err(dev, "unknown generation R-Car sound device\n");
072188b6	466
531eaf49	467	return ret;
3337744a	468	}