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Diffstat (limited to 'sound/soc/sh/rcar/gen.c')
-rw-r--r--sound/soc/sh/rcar/gen.c152
1 files changed, 23 insertions, 129 deletions
diff --git a/sound/soc/sh/rcar/gen.c b/sound/soc/sh/rcar/gen.c
index de0685f2abae..8c7dc51b1c4f 100644
--- a/sound/soc/sh/rcar/gen.c
+++ b/sound/soc/sh/rcar/gen.c
@@ -28,6 +28,7 @@ struct rsnd_gen {
struct regmap *regmap[RSND_BASE_MAX];
struct regmap_field *regs[RSND_REG_MAX];
+ phys_addr_t res[RSND_REG_MAX];
};
#define rsnd_priv_to_gen(p) ((struct rsnd_gen *)(p)->gen)
@@ -118,11 +119,19 @@ void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *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))
+phys_addr_t rsnd_gen_get_phy_addr(struct rsnd_priv *priv, int reg_id)
+{
+ struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
+
+ return gen->res[reg_id];
+}
+
+#define rsnd_gen_regmap_init(priv, id_size, reg_id, name, conf) \
+ _rsnd_gen_regmap_init(priv, id_size, reg_id, name, conf, ARRAY_SIZE(conf))
static int _rsnd_gen_regmap_init(struct rsnd_priv *priv,
int id_size,
int reg_id,
+ const char *name,
struct rsnd_regmap_field_conf *conf,
int conf_size)
{
@@ -141,8 +150,11 @@ static int _rsnd_gen_regmap_init(struct rsnd_priv *priv,
regc.reg_bits = 32;
regc.val_bits = 32;
regc.reg_stride = 4;
+ regc.name = name;
- res = platform_get_resource(pdev, IORESOURCE_MEM, reg_id);
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, name);
+ if (!res)
+ res = platform_get_resource(pdev, IORESOURCE_MEM, reg_id);
if (!res)
return -ENODEV;
@@ -156,6 +168,7 @@ static int _rsnd_gen_regmap_init(struct rsnd_priv *priv,
gen->base[reg_id] = base;
gen->regmap[reg_id] = regmap;
+ gen->res[reg_id] = res->start;
for (i = 0; i < conf_size; i++) {
@@ -176,125 +189,11 @@ static int _rsnd_gen_regmap_init(struct rsnd_priv *priv,
}
/*
- * 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),
@@ -368,18 +267,16 @@ static int rsnd_gen2_probe(struct platform_device *pdev,
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);
+ ret_ssiu = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SSIU, "ssiu", conf_ssiu);
+ ret_scu = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SCU, "scu", conf_scu);
+ ret_adg = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_ADG, "adg", conf_adg);
+ ret_ssi = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SSI, "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;
}
@@ -390,7 +287,6 @@ static int rsnd_gen2_probe(struct platform_device *pdev,
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),
@@ -440,16 +336,14 @@ static int rsnd_gen1_probe(struct platform_device *pdev,
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);
+ ret_sru = rsnd_gen_regmap_init(priv, 9, RSND_GEN1_SRU, "sru", conf_sru);
+ ret_adg = rsnd_gen_regmap_init(priv, 9, RSND_GEN1_ADG, "adg", conf_adg);
+ ret_ssi = rsnd_gen_regmap_init(priv, 9, RSND_GEN1_SSI, "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;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.