422 lines
12 KiB
C
422 lines
12 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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//
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// Renesas R-Car Gen1 SRU/SSI support
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//
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// Copyright (C) 2013 Renesas Solutions Corp.
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// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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/*
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* #define DEBUG
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*
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* you can also add below in
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* ${LINUX}/drivers/base/regmap/regmap.c
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* for regmap debug
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*
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* #define LOG_DEVICE "xxxx.rcar_sound"
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*/
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#include "rsnd.h"
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struct rsnd_gen {
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struct rsnd_gen_ops *ops;
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/* RSND_BASE_MAX base */
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void __iomem *base[RSND_BASE_MAX];
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phys_addr_t res[RSND_BASE_MAX];
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struct regmap *regmap[RSND_BASE_MAX];
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/* RSND_REG_MAX base */
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struct regmap_field *regs[RSND_REG_MAX];
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const char *reg_name[RSND_REG_MAX];
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};
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#define rsnd_priv_to_gen(p) ((struct rsnd_gen *)(p)->gen)
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#define rsnd_reg_name(gen, id) ((gen)->reg_name[id])
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struct rsnd_regmap_field_conf {
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int idx;
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unsigned int reg_offset;
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unsigned int id_offset;
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const char *reg_name;
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};
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#define RSND_REG_SET(id, offset, _id_offset, n) \
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{ \
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.idx = id, \
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.reg_offset = offset, \
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.id_offset = _id_offset, \
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.reg_name = n, \
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}
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/* single address mapping */
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#define RSND_GEN_S_REG(id, offset) \
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RSND_REG_SET(RSND_REG_##id, offset, 0, #id)
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/* multi address mapping */
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#define RSND_GEN_M_REG(id, offset, _id_offset) \
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RSND_REG_SET(RSND_REG_##id, offset, _id_offset, #id)
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/*
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* basic function
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*/
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static int rsnd_is_accessible_reg(struct rsnd_priv *priv,
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struct rsnd_gen *gen, enum rsnd_reg reg)
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{
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if (!gen->regs[reg]) {
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struct device *dev = rsnd_priv_to_dev(priv);
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dev_err(dev, "unsupported register access %x\n", reg);
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return 0;
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}
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return 1;
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}
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u32 rsnd_read(struct rsnd_priv *priv,
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struct rsnd_mod *mod, enum rsnd_reg reg)
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{
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struct device *dev = rsnd_priv_to_dev(priv);
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struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
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u32 val;
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if (!rsnd_is_accessible_reg(priv, gen, reg))
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return 0;
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regmap_fields_read(gen->regs[reg], rsnd_mod_id(mod), &val);
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dev_dbg(dev, "r %s[%d] - %-18s (%4d) : %08x\n",
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rsnd_mod_name(mod), rsnd_mod_id(mod),
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rsnd_reg_name(gen, reg), reg, val);
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return val;
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}
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void rsnd_write(struct rsnd_priv *priv,
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struct rsnd_mod *mod,
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enum rsnd_reg reg, u32 data)
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{
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struct device *dev = rsnd_priv_to_dev(priv);
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struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
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if (!rsnd_is_accessible_reg(priv, gen, reg))
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return;
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regmap_fields_force_write(gen->regs[reg], rsnd_mod_id(mod), data);
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dev_dbg(dev, "w %s[%d] - %-18s (%4d) : %08x\n",
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rsnd_mod_name(mod), rsnd_mod_id(mod),
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rsnd_reg_name(gen, reg), reg, data);
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}
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void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod,
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enum rsnd_reg reg, u32 mask, u32 data)
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{
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struct device *dev = rsnd_priv_to_dev(priv);
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struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
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if (!rsnd_is_accessible_reg(priv, gen, reg))
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return;
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regmap_fields_force_update_bits(gen->regs[reg],
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rsnd_mod_id(mod), mask, data);
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dev_dbg(dev, "b %s[%d] - %-18s (%4d) : %08x/%08x\n",
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rsnd_mod_name(mod), rsnd_mod_id(mod),
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rsnd_reg_name(gen, reg), reg, data, mask);
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}
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phys_addr_t rsnd_gen_get_phy_addr(struct rsnd_priv *priv, int reg_id)
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{
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struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
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return gen->res[reg_id];
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}
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#define rsnd_gen_regmap_init(priv, id_size, reg_id, name, conf) \
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_rsnd_gen_regmap_init(priv, id_size, reg_id, name, conf, ARRAY_SIZE(conf))
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static int _rsnd_gen_regmap_init(struct rsnd_priv *priv,
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int id_size,
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int reg_id,
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const char *name,
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const struct rsnd_regmap_field_conf *conf,
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int conf_size)
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{
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struct platform_device *pdev = rsnd_priv_to_pdev(priv);
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struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
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struct device *dev = rsnd_priv_to_dev(priv);
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struct resource *res;
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struct regmap_config regc;
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struct regmap_field *regs;
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struct regmap *regmap;
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struct reg_field regf;
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void __iomem *base;
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int i;
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memset(®c, 0, sizeof(regc));
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regc.reg_bits = 32;
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regc.val_bits = 32;
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regc.reg_stride = 4;
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regc.name = name;
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res = platform_get_resource_byname(pdev, IORESOURCE_MEM, name);
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if (!res)
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res = platform_get_resource(pdev, IORESOURCE_MEM, reg_id);
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if (!res)
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return -ENODEV;
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base = devm_ioremap_resource(dev, res);
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if (IS_ERR(base))
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return PTR_ERR(base);
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regmap = devm_regmap_init_mmio(dev, base, ®c);
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if (IS_ERR(regmap))
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return PTR_ERR(regmap);
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/* RSND_BASE_MAX base */
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gen->base[reg_id] = base;
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gen->regmap[reg_id] = regmap;
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gen->res[reg_id] = res->start;
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for (i = 0; i < conf_size; i++) {
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regf.reg = conf[i].reg_offset;
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regf.id_offset = conf[i].id_offset;
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regf.lsb = 0;
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regf.msb = 31;
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regf.id_size = id_size;
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regs = devm_regmap_field_alloc(dev, regmap, regf);
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if (IS_ERR(regs))
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return PTR_ERR(regs);
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/* RSND_REG_MAX base */
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gen->regs[conf[i].idx] = regs;
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gen->reg_name[conf[i].idx] = conf[i].reg_name;
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}
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return 0;
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}
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/*
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* Gen2
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*/
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static int rsnd_gen2_probe(struct rsnd_priv *priv)
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{
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static const struct rsnd_regmap_field_conf conf_ssiu[] = {
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RSND_GEN_S_REG(SSI_MODE0, 0x800),
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RSND_GEN_S_REG(SSI_MODE1, 0x804),
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RSND_GEN_S_REG(SSI_MODE2, 0x808),
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RSND_GEN_S_REG(SSI_CONTROL, 0x810),
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RSND_GEN_S_REG(SSI_SYS_STATUS0, 0x840),
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RSND_GEN_S_REG(SSI_SYS_STATUS1, 0x844),
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RSND_GEN_S_REG(SSI_SYS_STATUS2, 0x848),
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RSND_GEN_S_REG(SSI_SYS_STATUS3, 0x84c),
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RSND_GEN_S_REG(SSI_SYS_STATUS4, 0x880),
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RSND_GEN_S_REG(SSI_SYS_STATUS5, 0x884),
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RSND_GEN_S_REG(SSI_SYS_STATUS6, 0x888),
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RSND_GEN_S_REG(SSI_SYS_STATUS7, 0x88c),
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RSND_GEN_S_REG(HDMI0_SEL, 0x9e0),
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RSND_GEN_S_REG(HDMI1_SEL, 0x9e4),
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/* FIXME: it needs SSI_MODE2/3 in the future */
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RSND_GEN_M_REG(SSI_BUSIF_MODE, 0x0, 0x80),
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RSND_GEN_M_REG(SSI_BUSIF_ADINR, 0x4, 0x80),
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RSND_GEN_M_REG(SSI_BUSIF_DALIGN,0x8, 0x80),
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RSND_GEN_M_REG(SSI_MODE, 0xc, 0x80),
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RSND_GEN_M_REG(SSI_CTRL, 0x10, 0x80),
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RSND_GEN_M_REG(SSI_INT_ENABLE, 0x18, 0x80),
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};
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static const struct rsnd_regmap_field_conf conf_scu[] = {
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RSND_GEN_M_REG(SRC_I_BUSIF_MODE,0x0, 0x20),
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RSND_GEN_M_REG(SRC_O_BUSIF_MODE,0x4, 0x20),
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RSND_GEN_M_REG(SRC_BUSIF_DALIGN,0x8, 0x20),
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RSND_GEN_M_REG(SRC_ROUTE_MODE0, 0xc, 0x20),
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RSND_GEN_M_REG(SRC_CTRL, 0x10, 0x20),
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RSND_GEN_M_REG(SRC_INT_ENABLE0, 0x18, 0x20),
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RSND_GEN_M_REG(CMD_BUSIF_MODE, 0x184, 0x20),
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RSND_GEN_M_REG(CMD_BUSIF_DALIGN,0x188, 0x20),
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RSND_GEN_M_REG(CMD_ROUTE_SLCT, 0x18c, 0x20),
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RSND_GEN_M_REG(CMD_CTRL, 0x190, 0x20),
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RSND_GEN_S_REG(SCU_SYS_STATUS0, 0x1c8),
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RSND_GEN_S_REG(SCU_SYS_INT_EN0, 0x1cc),
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RSND_GEN_S_REG(SCU_SYS_STATUS1, 0x1d0),
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RSND_GEN_S_REG(SCU_SYS_INT_EN1, 0x1d4),
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RSND_GEN_M_REG(SRC_SWRSR, 0x200, 0x40),
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RSND_GEN_M_REG(SRC_SRCIR, 0x204, 0x40),
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RSND_GEN_M_REG(SRC_ADINR, 0x214, 0x40),
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RSND_GEN_M_REG(SRC_IFSCR, 0x21c, 0x40),
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RSND_GEN_M_REG(SRC_IFSVR, 0x220, 0x40),
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RSND_GEN_M_REG(SRC_SRCCR, 0x224, 0x40),
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RSND_GEN_M_REG(SRC_BSDSR, 0x22c, 0x40),
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RSND_GEN_M_REG(SRC_BSISR, 0x238, 0x40),
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RSND_GEN_M_REG(CTU_SWRSR, 0x500, 0x100),
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RSND_GEN_M_REG(CTU_CTUIR, 0x504, 0x100),
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RSND_GEN_M_REG(CTU_ADINR, 0x508, 0x100),
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RSND_GEN_M_REG(CTU_CPMDR, 0x510, 0x100),
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RSND_GEN_M_REG(CTU_SCMDR, 0x514, 0x100),
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RSND_GEN_M_REG(CTU_SV00R, 0x518, 0x100),
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RSND_GEN_M_REG(CTU_SV01R, 0x51c, 0x100),
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RSND_GEN_M_REG(CTU_SV02R, 0x520, 0x100),
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RSND_GEN_M_REG(CTU_SV03R, 0x524, 0x100),
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RSND_GEN_M_REG(CTU_SV04R, 0x528, 0x100),
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RSND_GEN_M_REG(CTU_SV05R, 0x52c, 0x100),
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RSND_GEN_M_REG(CTU_SV06R, 0x530, 0x100),
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RSND_GEN_M_REG(CTU_SV07R, 0x534, 0x100),
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RSND_GEN_M_REG(CTU_SV10R, 0x538, 0x100),
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RSND_GEN_M_REG(CTU_SV11R, 0x53c, 0x100),
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RSND_GEN_M_REG(CTU_SV12R, 0x540, 0x100),
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RSND_GEN_M_REG(CTU_SV13R, 0x544, 0x100),
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RSND_GEN_M_REG(CTU_SV14R, 0x548, 0x100),
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RSND_GEN_M_REG(CTU_SV15R, 0x54c, 0x100),
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RSND_GEN_M_REG(CTU_SV16R, 0x550, 0x100),
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RSND_GEN_M_REG(CTU_SV17R, 0x554, 0x100),
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RSND_GEN_M_REG(CTU_SV20R, 0x558, 0x100),
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RSND_GEN_M_REG(CTU_SV21R, 0x55c, 0x100),
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RSND_GEN_M_REG(CTU_SV22R, 0x560, 0x100),
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RSND_GEN_M_REG(CTU_SV23R, 0x564, 0x100),
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RSND_GEN_M_REG(CTU_SV24R, 0x568, 0x100),
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RSND_GEN_M_REG(CTU_SV25R, 0x56c, 0x100),
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RSND_GEN_M_REG(CTU_SV26R, 0x570, 0x100),
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RSND_GEN_M_REG(CTU_SV27R, 0x574, 0x100),
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RSND_GEN_M_REG(CTU_SV30R, 0x578, 0x100),
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RSND_GEN_M_REG(CTU_SV31R, 0x57c, 0x100),
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RSND_GEN_M_REG(CTU_SV32R, 0x580, 0x100),
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RSND_GEN_M_REG(CTU_SV33R, 0x584, 0x100),
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RSND_GEN_M_REG(CTU_SV34R, 0x588, 0x100),
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RSND_GEN_M_REG(CTU_SV35R, 0x58c, 0x100),
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RSND_GEN_M_REG(CTU_SV36R, 0x590, 0x100),
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RSND_GEN_M_REG(CTU_SV37R, 0x594, 0x100),
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RSND_GEN_M_REG(MIX_SWRSR, 0xd00, 0x40),
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RSND_GEN_M_REG(MIX_MIXIR, 0xd04, 0x40),
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RSND_GEN_M_REG(MIX_ADINR, 0xd08, 0x40),
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RSND_GEN_M_REG(MIX_MIXMR, 0xd10, 0x40),
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RSND_GEN_M_REG(MIX_MVPDR, 0xd14, 0x40),
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RSND_GEN_M_REG(MIX_MDBAR, 0xd18, 0x40),
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RSND_GEN_M_REG(MIX_MDBBR, 0xd1c, 0x40),
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RSND_GEN_M_REG(MIX_MDBCR, 0xd20, 0x40),
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RSND_GEN_M_REG(MIX_MDBDR, 0xd24, 0x40),
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RSND_GEN_M_REG(MIX_MDBER, 0xd28, 0x40),
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RSND_GEN_M_REG(DVC_SWRSR, 0xe00, 0x100),
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RSND_GEN_M_REG(DVC_DVUIR, 0xe04, 0x100),
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RSND_GEN_M_REG(DVC_ADINR, 0xe08, 0x100),
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RSND_GEN_M_REG(DVC_DVUCR, 0xe10, 0x100),
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||
|
|
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_VOL2R, 0xe30, 0x100),
|
||
|
|
RSND_GEN_M_REG(DVC_VOL3R, 0xe34, 0x100),
|
||
|
|
RSND_GEN_M_REG(DVC_VOL4R, 0xe38, 0x100),
|
||
|
|
RSND_GEN_M_REG(DVC_VOL5R, 0xe3c, 0x100),
|
||
|
|
RSND_GEN_M_REG(DVC_VOL6R, 0xe40, 0x100),
|
||
|
|
RSND_GEN_M_REG(DVC_VOL7R, 0xe44, 0x100),
|
||
|
|
RSND_GEN_M_REG(DVC_DVUER, 0xe48, 0x100),
|
||
|
|
};
|
||
|
|
static const struct rsnd_regmap_field_conf conf_adg[] = {
|
||
|
|
RSND_GEN_S_REG(BRRA, 0x00),
|
||
|
|
RSND_GEN_S_REG(BRRB, 0x04),
|
||
|
|
RSND_GEN_S_REG(BRGCKR, 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),
|
||
|
|
};
|
||
|
|
static const 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, "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;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Gen1
|
||
|
|
*/
|
||
|
|
|
||
|
|
static int rsnd_gen1_probe(struct rsnd_priv *priv)
|
||
|
|
{
|
||
|
|
static const struct rsnd_regmap_field_conf conf_adg[] = {
|
||
|
|
RSND_GEN_S_REG(BRRA, 0x00),
|
||
|
|
RSND_GEN_S_REG(BRRB, 0x04),
|
||
|
|
RSND_GEN_S_REG(BRGCKR, 0x08),
|
||
|
|
RSND_GEN_S_REG(AUDIO_CLK_SEL0, 0x0c),
|
||
|
|
RSND_GEN_S_REG(AUDIO_CLK_SEL1, 0x10),
|
||
|
|
};
|
||
|
|
static const 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_adg;
|
||
|
|
int ret_ssi;
|
||
|
|
|
||
|
|
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_adg < 0 ||
|
||
|
|
ret_ssi < 0)
|
||
|
|
return ret_adg | ret_ssi;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Gen
|
||
|
|
*/
|
||
|
|
int rsnd_gen_probe(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)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
priv->gen = gen;
|
||
|
|
|
||
|
|
ret = -ENODEV;
|
||
|
|
if (rsnd_is_gen1(priv))
|
||
|
|
ret = rsnd_gen1_probe(priv);
|
||
|
|
else if (rsnd_is_gen2(priv) ||
|
||
|
|
rsnd_is_gen3(priv))
|
||
|
|
ret = rsnd_gen2_probe(priv);
|
||
|
|
|
||
|
|
if (ret < 0)
|
||
|
|
dev_err(dev, "unknown generation R-Car sound device\n");
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|