diff options
author | Takashi Iwai <tiwai@suse.de> | 2014-01-20 10:20:14 +0100 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2014-01-20 10:20:14 +0100 |
commit | 258753361534a40ad7180c742da813fc659e427b (patch) | |
tree | 58517f6ce46ab2c897d427b7d1bf29850be314fa /sound/soc/sh/rcar/gen.c | |
parent | 315fba80a664e4bd928e0b85a38d26e60645b96a (diff) | |
parent | 2aff4c9ce898b9079658650c1ab33c44b100a203 (diff) |
Merge branch 'for-next' into for-linus
Diffstat (limited to 'sound/soc/sh/rcar/gen.c')
-rw-r--r-- | sound/soc/sh/rcar/gen.c | 256 |
1 files changed, 166 insertions, 90 deletions
diff --git a/sound/soc/sh/rcar/gen.c b/sound/soc/sh/rcar/gen.c index 61212ee97c28..add088bd4b2a 100644 --- a/sound/soc/sh/rcar/gen.c +++ b/sound/soc/sh/rcar/gen.c @@ -10,20 +10,6 @@ */ #include "rsnd.h" -struct rsnd_gen_ops { - int (*probe)(struct platform_device *pdev, - struct rcar_snd_info *info, - struct rsnd_priv *priv); - void (*remove)(struct platform_device *pdev, - struct rsnd_priv *priv); - int (*path_init)(struct rsnd_priv *priv, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io); - int (*path_exit)(struct rsnd_priv *priv, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io); -}; - struct rsnd_gen { void __iomem *base[RSND_BASE_MAX]; @@ -86,12 +72,28 @@ static struct regmap_bus rsnd_regmap_bus = { .val_format_endian_default = REGMAP_ENDIAN_NATIVE, }; +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 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); return val; @@ -103,6 +105,9 @@ void rsnd_write(struct rsnd_priv *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); } @@ -111,21 +116,48 @@ void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod, { 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); } -/* - * Gen2 - * will be filled in the future - */ +static int rsnd_gen_regmap_init(struct rsnd_priv *priv, + struct rsnd_gen *gen, + struct reg_field *regf) +{ + int i; + struct device *dev = rsnd_priv_to_dev(priv); + struct regmap_config regc; -/* - * Gen1 - */ -static int rsnd_gen1_path_init(struct rsnd_priv *priv, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) + memset(®c, 0, sizeof(regc)); + regc.reg_bits = 32; + regc.val_bits = 32; + + gen->regmap = devm_regmap_init(dev, &rsnd_regmap_bus, priv, ®c); + if (IS_ERR(gen->regmap)) { + dev_err(dev, "regmap error %ld\n", PTR_ERR(gen->regmap)); + return PTR_ERR(gen->regmap); + } + + for (i = 0; i < RSND_REG_MAX; i++) { + gen->regs[i] = NULL; + if (!regf[i].reg) + continue; + + gen->regs[i] = devm_regmap_field_alloc(dev, gen->regmap, regf[i]); + if (IS_ERR(gen->regs[i])) + return PTR_ERR(gen->regs[i]); + + } + + return 0; +} + +int rsnd_gen_path_init(struct rsnd_priv *priv, + struct rsnd_dai *rdai, + struct rsnd_dai_stream *io) { struct rsnd_mod *mod; int ret; @@ -163,9 +195,9 @@ static int rsnd_gen1_path_init(struct rsnd_priv *priv, return ret; } -static int rsnd_gen1_path_exit(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) { struct rsnd_mod *mod, *n; int ret = 0; @@ -179,6 +211,94 @@ static int rsnd_gen1_path_exit(struct rsnd_priv *priv, return ret; } +/* + * Gen2 + */ + +/* single address mapping */ +#define RSND_GEN2_S_REG(gen, reg, id, offset) \ + RSND_REG_SET(gen, RSND_REG_##id, RSND_GEN2_##reg, offset, 0, 10) + +/* multi address mapping */ +#define RSND_GEN2_M_REG(gen, reg, id, offset, _id_offset) \ + RSND_REG_SET(gen, RSND_REG_##id, RSND_GEN2_##reg, offset, _id_offset, 10) + +static int rsnd_gen2_regmap_init(struct rsnd_priv *priv, struct rsnd_gen *gen) +{ + struct reg_field regf[RSND_REG_MAX] = { + RSND_GEN2_S_REG(gen, SSIU, SSI_MODE0, 0x800), + RSND_GEN2_S_REG(gen, SSIU, SSI_MODE1, 0x804), + /* FIXME: it needs SSI_MODE2/3 in the future */ + RSND_GEN2_M_REG(gen, SSIU, INT_ENABLE, 0x18, 0x80), + + RSND_GEN2_S_REG(gen, ADG, BRRA, 0x00), + RSND_GEN2_S_REG(gen, ADG, BRRB, 0x04), + RSND_GEN2_S_REG(gen, ADG, SSICKR, 0x08), + RSND_GEN2_S_REG(gen, ADG, AUDIO_CLK_SEL0, 0x0c), + RSND_GEN2_S_REG(gen, ADG, AUDIO_CLK_SEL1, 0x10), + RSND_GEN2_S_REG(gen, ADG, AUDIO_CLK_SEL2, 0x14), + + RSND_GEN2_M_REG(gen, SSI, SSICR, 0x00, 0x40), + RSND_GEN2_M_REG(gen, SSI, SSISR, 0x04, 0x40), + RSND_GEN2_M_REG(gen, SSI, SSITDR, 0x08, 0x40), + RSND_GEN2_M_REG(gen, SSI, SSIRDR, 0x0c, 0x40), + RSND_GEN2_M_REG(gen, SSI, SSIWSR, 0x20, 0x40), + }; + + return rsnd_gen_regmap_init(priv, gen, regf); +} + +static int rsnd_gen2_probe(struct platform_device *pdev, + struct rcar_snd_info *info, + struct rsnd_priv *priv) +{ + struct device *dev = rsnd_priv_to_dev(priv); + struct rsnd_gen *gen = rsnd_priv_to_gen(priv); + struct resource *scu_res; + struct resource *adg_res; + struct resource *ssiu_res; + struct resource *ssi_res; + int ret; + + /* + * map address + */ + scu_res = platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN2_SCU); + adg_res = platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN2_ADG); + ssiu_res = platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN2_SSIU); + ssi_res = platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN2_SSI); + + gen->base[RSND_GEN2_SCU] = devm_ioremap_resource(dev, scu_res); + gen->base[RSND_GEN2_ADG] = devm_ioremap_resource(dev, adg_res); + gen->base[RSND_GEN2_SSIU] = devm_ioremap_resource(dev, ssiu_res); + gen->base[RSND_GEN2_SSI] = devm_ioremap_resource(dev, ssi_res); + if (IS_ERR(gen->base[RSND_GEN2_SCU]) || + IS_ERR(gen->base[RSND_GEN2_ADG]) || + IS_ERR(gen->base[RSND_GEN2_SSIU]) || + IS_ERR(gen->base[RSND_GEN2_SSI])) + return -ENODEV; + + ret = rsnd_gen2_regmap_init(priv, gen); + if (ret < 0) + return ret; + + dev_dbg(dev, "Gen2 device probed\n"); + dev_dbg(dev, "SRU : %08x => %p\n", scu_res->start, + gen->base[RSND_GEN2_SCU]); + dev_dbg(dev, "ADG : %08x => %p\n", adg_res->start, + gen->base[RSND_GEN2_ADG]); + dev_dbg(dev, "SSIU : %08x => %p\n", ssiu_res->start, + gen->base[RSND_GEN2_SSIU]); + dev_dbg(dev, "SSI : %08x => %p\n", ssi_res->start, + gen->base[RSND_GEN2_SSI]); + + return 0; +} + +/* + * Gen1 + */ + /* single address mapping */ #define RSND_GEN1_S_REG(gen, reg, id, offset) \ RSND_REG_SET(gen, RSND_REG_##id, RSND_GEN1_##reg, offset, 0, 9) @@ -189,19 +309,23 @@ static int rsnd_gen1_path_exit(struct rsnd_priv *priv, static int rsnd_gen1_regmap_init(struct rsnd_priv *priv, struct rsnd_gen *gen) { - int i; - struct device *dev = rsnd_priv_to_dev(priv); - struct regmap_config regc; struct reg_field regf[RSND_REG_MAX] = { RSND_GEN1_S_REG(gen, SRU, SRC_ROUTE_SEL, 0x00), RSND_GEN1_S_REG(gen, SRU, SRC_TMG_SEL0, 0x08), RSND_GEN1_S_REG(gen, SRU, SRC_TMG_SEL1, 0x0c), RSND_GEN1_S_REG(gen, SRU, SRC_TMG_SEL2, 0x10), - RSND_GEN1_S_REG(gen, SRU, SRC_CTRL, 0xc0), + RSND_GEN1_S_REG(gen, SRU, SRC_ROUTE_CTRL, 0xc0), RSND_GEN1_S_REG(gen, SRU, SSI_MODE0, 0xD0), RSND_GEN1_S_REG(gen, SRU, SSI_MODE1, 0xD4), RSND_GEN1_M_REG(gen, SRU, BUSIF_MODE, 0x20, 0x4), - RSND_GEN1_M_REG(gen, SRU, BUSIF_ADINR, 0x214, 0x40), + RSND_GEN1_M_REG(gen, SRU, SRC_ROUTE_MODE0,0x50, 0x8), + RSND_GEN1_M_REG(gen, SRU, SRC_SWRSR, 0x200, 0x40), + RSND_GEN1_M_REG(gen, SRU, SRC_SRCIR, 0x204, 0x40), + RSND_GEN1_M_REG(gen, SRU, SRC_ADINR, 0x214, 0x40), + RSND_GEN1_M_REG(gen, SRU, SRC_IFSCR, 0x21c, 0x40), + RSND_GEN1_M_REG(gen, SRU, SRC_IFSVR, 0x220, 0x40), + RSND_GEN1_M_REG(gen, SRU, SRC_SRCCR, 0x224, 0x40), + RSND_GEN1_M_REG(gen, SRU, SRC_MNFSR, 0x228, 0x40), RSND_GEN1_S_REG(gen, ADG, BRRA, 0x00), RSND_GEN1_S_REG(gen, ADG, BRRB, 0x04), @@ -219,24 +343,7 @@ static int rsnd_gen1_regmap_init(struct rsnd_priv *priv, struct rsnd_gen *gen) RSND_GEN1_M_REG(gen, SSI, SSIWSR, 0x20, 0x40), }; - memset(®c, 0, sizeof(regc)); - regc.reg_bits = 32; - regc.val_bits = 32; - - gen->regmap = devm_regmap_init(dev, &rsnd_regmap_bus, priv, ®c); - if (IS_ERR(gen->regmap)) { - dev_err(dev, "regmap error %ld\n", PTR_ERR(gen->regmap)); - return PTR_ERR(gen->regmap); - } - - for (i = 0; i < RSND_REG_MAX; i++) { - gen->regs[i] = devm_regmap_field_alloc(dev, gen->regmap, regf[i]); - if (IS_ERR(gen->regs[i])) - return PTR_ERR(gen->regs[i]); - - } - - return 0; + return rsnd_gen_regmap_init(priv, gen, regf); } static int rsnd_gen1_probe(struct platform_device *pdev, @@ -281,45 +388,16 @@ static int rsnd_gen1_probe(struct platform_device *pdev, } -static void rsnd_gen1_remove(struct platform_device *pdev, - struct rsnd_priv *priv) -{ -} - -static struct rsnd_gen_ops rsnd_gen1_ops = { - .probe = rsnd_gen1_probe, - .remove = rsnd_gen1_remove, - .path_init = rsnd_gen1_path_init, - .path_exit = rsnd_gen1_path_exit, -}; - /* * Gen */ -int rsnd_gen_path_init(struct rsnd_priv *priv, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) -{ - struct rsnd_gen *gen = rsnd_priv_to_gen(priv); - - return gen->ops->path_init(priv, rdai, io); -} - -int rsnd_gen_path_exit(struct rsnd_priv *priv, - struct rsnd_dai *rdai, - struct rsnd_dai_stream *io) -{ - struct rsnd_gen *gen = rsnd_priv_to_gen(priv); - - return gen->ops->path_exit(priv, rdai, io); -} - int rsnd_gen_probe(struct platform_device *pdev, struct rcar_snd_info *info, struct rsnd_priv *priv) { struct device *dev = rsnd_priv_to_dev(priv); struct rsnd_gen *gen; + int ret; gen = devm_kzalloc(dev, sizeof(*gen), GFP_KERNEL); if (!gen) { @@ -327,23 +405,21 @@ int rsnd_gen_probe(struct platform_device *pdev, return -ENOMEM; } + priv->gen = gen; + + ret = -ENODEV; if (rsnd_is_gen1(priv)) - gen->ops = &rsnd_gen1_ops; + ret = rsnd_gen1_probe(pdev, info, priv); + else if (rsnd_is_gen2(priv)) + ret = rsnd_gen2_probe(pdev, info, priv); - if (!gen->ops) { + if (ret < 0) dev_err(dev, "unknown generation R-Car sound device\n"); - return -ENODEV; - } - - priv->gen = gen; - return gen->ops->probe(pdev, info, priv); + return ret; } void rsnd_gen_remove(struct platform_device *pdev, struct rsnd_priv *priv) { - struct rsnd_gen *gen = rsnd_priv_to_gen(priv); - - gen->ops->remove(pdev, priv); } |