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authorTakashi Iwai <tiwai@suse.de>2014-01-20 10:20:14 +0100
committerTakashi Iwai <tiwai@suse.de>2014-01-20 10:20:14 +0100
commit258753361534a40ad7180c742da813fc659e427b (patch)
tree58517f6ce46ab2c897d427b7d1bf29850be314fa /sound/soc/sh/rcar/gen.c
parent315fba80a664e4bd928e0b85a38d26e60645b96a (diff)
parent2aff4c9ce898b9079658650c1ab33c44b100a203 (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.c256
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(&regc, 0, sizeof(regc));
+ regc.reg_bits = 32;
+ regc.val_bits = 32;
+
+ gen->regmap = devm_regmap_init(dev, &rsnd_regmap_bus, priv, &regc);
+ 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(&regc, 0, sizeof(regc));
- regc.reg_bits = 32;
- regc.val_bits = 32;
-
- gen->regmap = devm_regmap_init(dev, &rsnd_regmap_bus, priv, &regc);
- 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);
}