mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-13 03:16:49 +07:00
3539cacff2
This patch adds Volume Ramp to Renesas sound driver. amixer set "DVC Out" 100% amixer set "DVC Out Ramp Up Rate" "0.125 dB/64 steps" amixer set "DVC Out Ramp Down Rate" "0.125 dB/512 steps" amixer set "DVC Out Ramp" on aplay xxx.wav & amixer set "DVC Out" 80% // Volume Down amixer set "DVC Out" 100% // Volume Up Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
485 lines
13 KiB
C
485 lines
13 KiB
C
/*
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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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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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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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void __iomem *base[RSND_BASE_MAX];
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struct rsnd_gen_ops *ops;
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struct regmap *regmap[RSND_BASE_MAX];
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struct regmap_field *regs[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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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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};
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#define RSND_REG_SET(id, offset, _id_offset) \
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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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}
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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)
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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)
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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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dev_dbg(dev, "r %s[%d] - %4d : %08x\n",
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rsnd_mod_name(mod), rsnd_mod_id(mod), reg, val);
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regmap_fields_read(gen->regs[reg], rsnd_mod_id(mod), &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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dev_dbg(dev, "w %s[%d] - %4d : %08x\n",
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rsnd_mod_name(mod), rsnd_mod_id(mod), reg, data);
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regmap_fields_write(gen->regs[reg], rsnd_mod_id(mod), 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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dev_dbg(dev, "b %s[%d] - %4d : %08x/%08x\n",
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rsnd_mod_name(mod), rsnd_mod_id(mod), reg, data, mask);
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regmap_fields_update_bits(gen->regs[reg], rsnd_mod_id(mod),
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mask, data);
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}
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#define rsnd_gen_regmap_init(priv, id_size, reg_id, conf) \
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_rsnd_gen_regmap_init(priv, id_size, reg_id, 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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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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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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gen->base[reg_id] = base;
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gen->regmap[reg_id] = regmap;
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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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gen->regs[conf[i].idx] = regs;
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}
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return 0;
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}
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/*
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* DMA read/write register offset
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*
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* RSND_xxx_I_N for Audio DMAC input
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* RSND_xxx_O_N for Audio DMAC output
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* RSND_xxx_I_P for Audio DMAC peri peri input
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* RSND_xxx_O_P for Audio DMAC peri peri output
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*
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* ex) R-Car H2 case
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* mod / DMAC in / DMAC out / DMAC PP in / DMAC pp out
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* SSI : 0xec541000 / 0xec241008 / 0xec24100c
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* SSIU: 0xec541000 / 0xec100000 / 0xec100000 / 0xec400000 / 0xec400000
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* SCU : 0xec500000 / 0xec000000 / 0xec004000 / 0xec300000 / 0xec304000
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* CMD : 0xec500000 / / 0xec008000 0xec308000
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*/
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#define RDMA_SSI_I_N(addr, i) (addr ##_reg - 0x00300000 + (0x40 * i) + 0x8)
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#define RDMA_SSI_O_N(addr, i) (addr ##_reg - 0x00300000 + (0x40 * i) + 0xc)
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#define RDMA_SSIU_I_N(addr, i) (addr ##_reg - 0x00441000 + (0x1000 * i))
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#define RDMA_SSIU_O_N(addr, i) (addr ##_reg - 0x00441000 + (0x1000 * i))
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#define RDMA_SSIU_I_P(addr, i) (addr ##_reg - 0x00141000 + (0x1000 * i))
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#define RDMA_SSIU_O_P(addr, i) (addr ##_reg - 0x00141000 + (0x1000 * i))
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#define RDMA_SRC_I_N(addr, i) (addr ##_reg - 0x00500000 + (0x400 * i))
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#define RDMA_SRC_O_N(addr, i) (addr ##_reg - 0x004fc000 + (0x400 * i))
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#define RDMA_SRC_I_P(addr, i) (addr ##_reg - 0x00200000 + (0x400 * i))
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#define RDMA_SRC_O_P(addr, i) (addr ##_reg - 0x001fc000 + (0x400 * i))
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#define RDMA_CMD_O_N(addr, i) (addr ##_reg - 0x004f8000 + (0x400 * i))
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#define RDMA_CMD_O_P(addr, i) (addr ##_reg - 0x001f8000 + (0x400 * i))
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static dma_addr_t
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rsnd_gen2_dma_addr(struct rsnd_priv *priv,
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struct rsnd_mod *mod,
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int is_play, int is_from)
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{
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struct platform_device *pdev = rsnd_priv_to_pdev(priv);
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struct device *dev = rsnd_priv_to_dev(priv);
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struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
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dma_addr_t ssi_reg = platform_get_resource(pdev,
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IORESOURCE_MEM, RSND_GEN2_SSI)->start;
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dma_addr_t src_reg = platform_get_resource(pdev,
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IORESOURCE_MEM, RSND_GEN2_SCU)->start;
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int is_ssi = !!(rsnd_io_to_mod_ssi(io) == mod);
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int use_src = !!rsnd_io_to_mod_src(io);
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int use_dvc = !!rsnd_io_to_mod_dvc(io);
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int id = rsnd_mod_id(mod);
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struct dma_addr {
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dma_addr_t out_addr;
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dma_addr_t in_addr;
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} dma_addrs[3][2][3] = {
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/* SRC */
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{{{ 0, 0 },
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/* Capture */
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{ RDMA_SRC_O_N(src, id), RDMA_SRC_I_P(src, id) },
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{ RDMA_CMD_O_N(src, id), RDMA_SRC_I_P(src, id) } },
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/* Playback */
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{{ 0, 0, },
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{ RDMA_SRC_O_P(src, id), RDMA_SRC_I_N(src, id) },
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{ RDMA_CMD_O_P(src, id), RDMA_SRC_I_N(src, id) } }
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},
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/* SSI */
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/* Capture */
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{{{ RDMA_SSI_O_N(ssi, id), 0 },
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{ RDMA_SSIU_O_P(ssi, id), 0 },
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{ RDMA_SSIU_O_P(ssi, id), 0 } },
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/* Playback */
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{{ 0, RDMA_SSI_I_N(ssi, id) },
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{ 0, RDMA_SSIU_I_P(ssi, id) },
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{ 0, RDMA_SSIU_I_P(ssi, id) } }
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},
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/* SSIU */
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/* Capture */
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{{{ RDMA_SSIU_O_N(ssi, id), 0 },
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{ RDMA_SSIU_O_P(ssi, id), 0 },
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{ RDMA_SSIU_O_P(ssi, id), 0 } },
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/* Playback */
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{{ 0, RDMA_SSIU_I_N(ssi, id) },
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{ 0, RDMA_SSIU_I_P(ssi, id) },
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{ 0, RDMA_SSIU_I_P(ssi, id) } } },
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};
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/* it shouldn't happen */
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if (use_dvc && !use_src)
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dev_err(dev, "DVC is selected without SRC\n");
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/* use SSIU or SSI ? */
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if (is_ssi && (0 == strcmp(rsnd_mod_dma_name(mod), "ssiu")))
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is_ssi++;
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return (is_from) ?
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dma_addrs[is_ssi][is_play][use_src + use_dvc].out_addr :
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dma_addrs[is_ssi][is_play][use_src + use_dvc].in_addr;
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}
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dma_addr_t rsnd_gen_dma_addr(struct rsnd_priv *priv,
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struct rsnd_mod *mod,
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int is_play, int is_from)
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{
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/*
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* gen1 uses default DMA addr
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*/
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if (rsnd_is_gen1(priv))
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return 0;
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if (!mod)
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return 0;
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return rsnd_gen2_dma_addr(priv, mod, is_play, is_from);
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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 platform_device *pdev,
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struct rsnd_priv *priv)
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{
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struct device *dev = rsnd_priv_to_dev(priv);
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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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/* 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(BUSIF_DALIGN, 0x8, 0x80),
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RSND_GEN_M_REG(SSI_CTRL, 0x10, 0x80),
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RSND_GEN_M_REG(INT_ENABLE, 0x18, 0x80),
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};
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struct rsnd_regmap_field_conf conf_scu[] = {
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RSND_GEN_M_REG(SRC_BUSIF_MODE, 0x0, 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(CMD_ROUTE_SLCT, 0x18c, 0x20),
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RSND_GEN_M_REG(CMD_CTRL, 0x190, 0x20),
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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(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),
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RSND_GEN_M_REG(DVC_VRCTR, 0xe18, 0x100),
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RSND_GEN_M_REG(DVC_VRPDR, 0xe1c, 0x100),
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RSND_GEN_M_REG(DVC_VRDBR, 0xe20, 0x100),
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RSND_GEN_M_REG(DVC_VOL0R, 0xe28, 0x100),
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RSND_GEN_M_REG(DVC_VOL1R, 0xe2c, 0x100),
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RSND_GEN_M_REG(DVC_DVUER, 0xe48, 0x100),
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};
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struct rsnd_regmap_field_conf conf_adg[] = {
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RSND_GEN_S_REG(BRRA, 0x00),
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RSND_GEN_S_REG(BRRB, 0x04),
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RSND_GEN_S_REG(SSICKR, 0x08),
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RSND_GEN_S_REG(AUDIO_CLK_SEL0, 0x0c),
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RSND_GEN_S_REG(AUDIO_CLK_SEL1, 0x10),
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RSND_GEN_S_REG(AUDIO_CLK_SEL2, 0x14),
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RSND_GEN_S_REG(DIV_EN, 0x30),
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RSND_GEN_S_REG(SRCIN_TIMSEL0, 0x34),
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RSND_GEN_S_REG(SRCIN_TIMSEL1, 0x38),
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RSND_GEN_S_REG(SRCIN_TIMSEL2, 0x3c),
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RSND_GEN_S_REG(SRCIN_TIMSEL3, 0x40),
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RSND_GEN_S_REG(SRCIN_TIMSEL4, 0x44),
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RSND_GEN_S_REG(SRCOUT_TIMSEL0, 0x48),
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RSND_GEN_S_REG(SRCOUT_TIMSEL1, 0x4c),
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RSND_GEN_S_REG(SRCOUT_TIMSEL2, 0x50),
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RSND_GEN_S_REG(SRCOUT_TIMSEL3, 0x54),
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RSND_GEN_S_REG(SRCOUT_TIMSEL4, 0x58),
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RSND_GEN_S_REG(CMDOUT_TIMSEL, 0x5c),
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};
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struct rsnd_regmap_field_conf conf_ssi[] = {
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RSND_GEN_M_REG(SSICR, 0x00, 0x40),
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RSND_GEN_M_REG(SSISR, 0x04, 0x40),
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RSND_GEN_M_REG(SSITDR, 0x08, 0x40),
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RSND_GEN_M_REG(SSIRDR, 0x0c, 0x40),
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RSND_GEN_M_REG(SSIWSR, 0x20, 0x40),
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};
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int ret_ssiu;
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int ret_scu;
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int ret_adg;
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int ret_ssi;
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ret_ssiu = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SSIU, conf_ssiu);
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ret_scu = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SCU, conf_scu);
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ret_adg = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_ADG, conf_adg);
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ret_ssi = rsnd_gen_regmap_init(priv, 10, RSND_GEN2_SSI, conf_ssi);
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if (ret_ssiu < 0 ||
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ret_scu < 0 ||
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ret_adg < 0 ||
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ret_ssi < 0)
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return ret_ssiu | ret_scu | ret_adg | ret_ssi;
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dev_dbg(dev, "Gen2 is probed\n");
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return 0;
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}
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/*
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* Gen1
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*/
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static int rsnd_gen1_probe(struct platform_device *pdev,
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struct rsnd_priv *priv)
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{
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struct device *dev = rsnd_priv_to_dev(priv);
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struct rsnd_regmap_field_conf conf_sru[] = {
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RSND_GEN_S_REG(SRC_ROUTE_SEL, 0x00),
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RSND_GEN_S_REG(SRC_TMG_SEL0, 0x08),
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RSND_GEN_S_REG(SRC_TMG_SEL1, 0x0c),
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RSND_GEN_S_REG(SRC_TMG_SEL2, 0x10),
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RSND_GEN_S_REG(SRC_ROUTE_CTRL, 0xc0),
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RSND_GEN_S_REG(SSI_MODE0, 0xD0),
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RSND_GEN_S_REG(SSI_MODE1, 0xD4),
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RSND_GEN_M_REG(SRC_BUSIF_MODE, 0x20, 0x4),
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RSND_GEN_M_REG(SRC_ROUTE_MODE0, 0x50, 0x8),
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RSND_GEN_M_REG(SRC_SWRSR, 0x200, 0x40),
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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;
|
|
}
|