This patch adds support for audio CODEC core of rk3328. Rockchip does not publish detail specification of this core but driver source code is opened on their GitHub repository. https://github.com/rockchip-linux/kernel So I ported this code to linux-next and added some trivial fixes. Signed-off-by: Katsuhiro Suzuki <katsuhiro@xxxxxxxxxxxxx> --- .../bindings/sound/rockchip,rk3328-codec.txt | 23 + sound/soc/codecs/Kconfig | 5 + sound/soc/codecs/Makefile | 2 + sound/soc/codecs/rk3328_codec.c | 517 ++++++++++++++++++ sound/soc/codecs/rk3328_codec.h | 210 +++++++ 5 files changed, 757 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/rockchip,rk3328-codec.txt create mode 100644 sound/soc/codecs/rk3328_codec.c create mode 100644 sound/soc/codecs/rk3328_codec.h diff --git a/Documentation/devicetree/bindings/sound/rockchip,rk3328-codec.txt b/Documentation/devicetree/bindings/sound/rockchip,rk3328-codec.txt new file mode 100644 index 000000000000..2469588c7ccb --- /dev/null +++ b/Documentation/devicetree/bindings/sound/rockchip,rk3328-codec.txt @@ -0,0 +1,23 @@ +* Rockchip Rk3328 internal codec + +Required properties: + +- compatible: "rockchip,rk3328-codec" +- reg: physical base address of the controller and length of memory mapped + region. +- rockchip,grf: the phandle of the syscon node for GRF register. +- clocks: a list of phandle + clock-specifer pairs, one for each entry in clock-names. +- clock-names: should be "pclk". +- spk-depop-time-ms: speak depop time msec. + +Example for rk3328 internal codec: + +codec: codec@ff410000 { + compatible = "rockchip,rk3328-codec"; + reg = <0x0 0xff410000 0x0 0x1000>; + rockchip,grf = <&grf>; + clocks = <&cru PCLK_ACODEC>; + clock-names = "pclk"; + spk-depop-time-ms = 100; + status = "disabled"; +}; diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 62bdb7e333b8..19a5168e0b89 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -129,6 +129,7 @@ config SND_SOC_ALL_CODECS select SND_SOC_PCM5102A select SND_SOC_PCM512x_I2C if I2C select SND_SOC_PCM512x_SPI if SPI_MASTER + select SND_SOC_RK3328 select SND_SOC_RT274 if I2C select SND_SOC_RT286 if I2C select SND_SOC_RT298 if I2C @@ -799,6 +800,10 @@ config SND_SOC_PCM512x_SPI select SND_SOC_PCM512x select REGMAP_SPI +config SND_SOC_RK3328 + tristate "Rockchip RK3328 audio CODEC" + select REGMAP_MMIO + config SND_SOC_RL6231 tristate default y if SND_SOC_RT5514=y diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index 66f55d185620..0d924efbc8ec 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -132,6 +132,7 @@ snd-soc-pcm5102a-objs := pcm5102a.o snd-soc-pcm512x-objs := pcm512x.o snd-soc-pcm512x-i2c-objs := pcm512x-i2c.o snd-soc-pcm512x-spi-objs := pcm512x-spi.o +snd-soc-rk3328-objs := rk3328_codec.o snd-soc-rl6231-objs := rl6231.o snd-soc-rl6347a-objs := rl6347a.o snd-soc-rt1305-objs := rt1305.o @@ -398,6 +399,7 @@ obj-$(CONFIG_SND_SOC_PCM5102A) += snd-soc-pcm5102a.o obj-$(CONFIG_SND_SOC_PCM512x) += snd-soc-pcm512x.o obj-$(CONFIG_SND_SOC_PCM512x_I2C) += snd-soc-pcm512x-i2c.o obj-$(CONFIG_SND_SOC_PCM512x_SPI) += snd-soc-pcm512x-spi.o +obj-$(CONFIG_SND_SOC_RK3328) += snd-soc-rk3328.o obj-$(CONFIG_SND_SOC_RL6231) += snd-soc-rl6231.o obj-$(CONFIG_SND_SOC_RL6347A) += snd-soc-rl6347a.o obj-$(CONFIG_SND_SOC_RT1305) += snd-soc-rt1305.o diff --git a/sound/soc/codecs/rk3328_codec.c b/sound/soc/codecs/rk3328_codec.c new file mode 100644 index 000000000000..71f3fc2d970c --- /dev/null +++ b/sound/soc/codecs/rk3328_codec.c @@ -0,0 +1,517 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// rk3328 ALSA SoC Audio driver +// +// Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd All rights reserved. + +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/pm_runtime.h> +#include <linux/regmap.h> +#include <linux/mfd/syscon.h> +#include <sound/dmaengine_pcm.h> +#include <sound/pcm_params.h> +#include "rk3328_codec.h" + +/* + * volume setting + * 0: -39dB + * 26: 0dB + * 31: 6dB + * Step: 1.5dB + */ +#define OUT_VOLUME (0x18) +#define RK3328_GRF_SOC_CON2 (0x0408) +#define RK3328_GRF_SOC_CON10 (0x0428) +#define INITIAL_FREQ (11289600) + +struct rk3328_codec_priv { + struct regmap *regmap; + struct regmap *grf; + struct clk *mclk; + struct clk *pclk; + unsigned int sclk; + int spk_depop_time; /* msec */ +}; + +static const struct reg_default rk3328_codec_reg_defaults[] = { + { CODEC_RESET, 0x03 }, + { DAC_INIT_CTRL1, 0x00 }, + { DAC_INIT_CTRL2, 0x50 }, + { DAC_INIT_CTRL3, 0x0e }, + { DAC_PRECHARGE_CTRL, 0x01 }, + { DAC_PWR_CTRL, 0x00 }, + { DAC_CLK_CTRL, 0x00 }, + { HPMIX_CTRL, 0x00 }, + { HPOUT_CTRL, 0x00 }, + { HPOUTL_GAIN_CTRL, 0x00 }, + { HPOUTR_GAIN_CTRL, 0x00 }, + { HPOUT_POP_CTRL, 0x11 }, +}; + +static int rk3328_codec_reset(struct rk3328_codec_priv *rk3328) +{ + regmap_write(rk3328->regmap, CODEC_RESET, 0x00); + mdelay(10); + regmap_write(rk3328->regmap, CODEC_RESET, 0x03); + + return 0; +} + +static int rk3328_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) +{ + struct rk3328_codec_priv *rk3328 = + snd_soc_component_get_drvdata(dai->component); + unsigned int val; + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBS_CFS: + val = PIN_DIRECTION_IN | DAC_I2S_MODE_SLAVE; + break; + case SND_SOC_DAIFMT_CBM_CFM: + val = PIN_DIRECTION_OUT | DAC_I2S_MODE_MASTER; + break; + default: + return -EINVAL; + } + + regmap_update_bits(rk3328->regmap, DAC_INIT_CTRL1, + PIN_DIRECTION_MASK | DAC_I2S_MODE_MASK, val); + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_DSP_A: + case SND_SOC_DAIFMT_DSP_B: + val = DAC_MODE_PCM; + break; + case SND_SOC_DAIFMT_I2S: + val = DAC_MODE_I2S; + break; + case SND_SOC_DAIFMT_RIGHT_J: + val = DAC_MODE_RJM; + break; + case SND_SOC_DAIFMT_LEFT_J: + val = DAC_MODE_LJM; + break; + default: + return -EINVAL; + } + + regmap_update_bits(rk3328->regmap, DAC_INIT_CTRL2, + DAC_MODE_MASK, val); + + return 0; +} + +static void rk3328_analog_output(struct rk3328_codec_priv *rk3328, int mute) +{ + unsigned int val = BIT(17); + + if (mute) + val |= BIT(1); + + regmap_write(rk3328->grf, RK3328_GRF_SOC_CON10, val); +} + +static int rk3328_digital_mute(struct snd_soc_dai *dai, int mute) +{ + struct rk3328_codec_priv *rk3328 = + snd_soc_component_get_drvdata(dai->component); + unsigned int val; + + if (mute) + val = HPOUTL_MUTE | HPOUTR_MUTE; + else + val = HPOUTL_UNMUTE | HPOUTR_UNMUTE; + + regmap_update_bits(rk3328->regmap, HPOUT_CTRL, + HPOUTL_MUTE_MASK | HPOUTR_MUTE_MASK, val); + + return 0; +} + +static int rk3328_codec_power_on(struct rk3328_codec_priv *rk3328, int wait_ms) +{ + regmap_update_bits(rk3328->regmap, DAC_PRECHARGE_CTRL, + DAC_CHARGE_XCHARGE_MASK, DAC_CHARGE_PRECHARGE); + mdelay(10); + regmap_update_bits(rk3328->regmap, DAC_PRECHARGE_CTRL, + DAC_CHARGE_CURRENT_ALL_MASK, + DAC_CHARGE_CURRENT_ALL_ON); + mdelay(wait_ms); + + return 0; +} + +static int rk3328_codec_power_off(struct rk3328_codec_priv *rk3328, int wait_ms) +{ + regmap_update_bits(rk3328->regmap, DAC_PRECHARGE_CTRL, + DAC_CHARGE_XCHARGE_MASK, DAC_CHARGE_DISCHARGE); + mdelay(10); + regmap_update_bits(rk3328->regmap, DAC_PRECHARGE_CTRL, + DAC_CHARGE_CURRENT_ALL_MASK, + DAC_CHARGE_CURRENT_ALL_ON); + mdelay(wait_ms); + + return 0; +} + +static const struct rk3328_reg_msk_val playback_open_list[] = { + { DAC_PWR_CTRL, DAC_PWR_MASK, DAC_PWR_ON }, + { DAC_PWR_CTRL, DACL_PATH_REFV_MASK | DACR_PATH_REFV_MASK, + DACL_PATH_REFV_ON | DACR_PATH_REFV_ON }, + { DAC_PWR_CTRL, HPOUTL_ZERO_CROSSING_MASK | HPOUTR_ZERO_CROSSING_MASK, + HPOUTL_ZERO_CROSSING_ON | HPOUTR_ZERO_CROSSING_ON }, + { HPOUT_POP_CTRL, HPOUTR_POP_MASK | HPOUTL_POP_MASK, + HPOUTR_POP_WORK | HPOUTL_POP_WORK }, + { HPMIX_CTRL, HPMIXL_MASK | HPMIXR_MASK, HPMIXL_EN | HPMIXR_EN }, + { HPMIX_CTRL, HPMIXL_INIT_MASK | HPMIXR_INIT_MASK, + HPMIXL_INIT_EN | HPMIXR_INIT_EN }, + { HPOUT_CTRL, HPOUTL_MASK | HPOUTR_MASK, HPOUTL_EN | HPOUTR_EN }, + { HPOUT_CTRL, HPOUTL_INIT_MASK | HPOUTR_INIT_MASK, + HPOUTL_INIT_EN | HPOUTR_INIT_EN }, + { DAC_CLK_CTRL, DACL_REFV_MASK | DACR_REFV_MASK, + DACL_REFV_ON | DACR_REFV_ON }, + { DAC_CLK_CTRL, DACL_CLK_MASK | DACR_CLK_MASK, + DACL_CLK_ON | DACR_CLK_ON }, + { DAC_CLK_CTRL, DACL_MASK | DACR_MASK, DACL_ON | DACR_ON }, + { DAC_CLK_CTRL, DACL_INIT_MASK | DACR_INIT_MASK, + DACL_INIT_ON | DACR_INIT_ON }, + { DAC_SELECT, DACL_SELECT_MASK | DACR_SELECT_MASK, + DACL_SELECT | DACR_SELECT }, + { HPMIX_CTRL, HPMIXL_INIT2_MASK | HPMIXR_INIT2_MASK, + HPMIXL_INIT2_EN | HPMIXR_INIT2_EN }, + { HPOUT_CTRL, HPOUTL_MUTE_MASK | HPOUTR_MUTE_MASK, + HPOUTL_UNMUTE | HPOUTR_UNMUTE }, +}; + +static int rk3328_codec_open_playback(struct rk3328_codec_priv *rk3328) +{ + int i; + + regmap_update_bits(rk3328->regmap, DAC_PRECHARGE_CTRL, + DAC_CHARGE_CURRENT_ALL_MASK, + DAC_CHARGE_CURRENT_I); + + for (i = 0; i < ARRAY_SIZE(playback_open_list); i++) { + regmap_update_bits(rk3328->regmap, + playback_open_list[i].reg, + playback_open_list[i].msk, + playback_open_list[i].val); + mdelay(1); + } + + msleep(rk3328->spk_depop_time); + rk3328_analog_output(rk3328, 1); + + regmap_update_bits(rk3328->regmap, HPOUTL_GAIN_CTRL, + HPOUTL_GAIN_MASK, OUT_VOLUME); + regmap_update_bits(rk3328->regmap, HPOUTR_GAIN_CTRL, + HPOUTR_GAIN_MASK, OUT_VOLUME); + + return 0; +} + +static const struct rk3328_reg_msk_val playback_close_list[] = { + { HPMIX_CTRL, HPMIXL_INIT2_MASK | HPMIXR_INIT2_MASK, + HPMIXL_INIT2_DIS | HPMIXR_INIT2_DIS }, + { DAC_SELECT, DACL_SELECT_MASK | DACR_SELECT_MASK, + DACL_UNSELECT | DACR_UNSELECT }, + { HPOUT_CTRL, HPOUTL_MUTE_MASK | HPOUTR_MUTE_MASK, + HPOUTL_MUTE | HPOUTR_MUTE }, + { HPOUT_CTRL, HPOUTL_INIT_MASK | HPOUTR_INIT_MASK, + HPOUTL_INIT_DIS | HPOUTR_INIT_DIS }, + { HPOUT_CTRL, HPOUTL_MASK | HPOUTR_MASK, HPOUTL_DIS | HPOUTR_DIS }, + { HPMIX_CTRL, HPMIXL_MASK | HPMIXR_MASK, HPMIXL_DIS | HPMIXR_DIS }, + { DAC_CLK_CTRL, DACL_MASK | DACR_MASK, DACL_OFF | DACR_OFF }, + { DAC_CLK_CTRL, DACL_CLK_MASK | DACR_CLK_MASK, + DACL_CLK_OFF | DACR_CLK_OFF }, + { DAC_CLK_CTRL, DACL_REFV_MASK | DACR_REFV_MASK, + DACL_REFV_OFF | DACR_REFV_OFF }, + { HPOUT_POP_CTRL, HPOUTR_POP_MASK | HPOUTL_POP_MASK, + HPOUTR_POP_XCHARGE | HPOUTL_POP_XCHARGE }, + { DAC_PWR_CTRL, DACL_PATH_REFV_MASK | DACR_PATH_REFV_MASK, + DACL_PATH_REFV_OFF | DACR_PATH_REFV_OFF }, + { DAC_PWR_CTRL, DAC_PWR_MASK, DAC_PWR_OFF }, + { HPMIX_CTRL, HPMIXL_INIT_MASK | HPMIXR_INIT_MASK, + HPMIXL_INIT_DIS | HPMIXR_INIT_DIS }, + { DAC_CLK_CTRL, DACL_INIT_MASK | DACR_INIT_MASK, + DACL_INIT_OFF | DACR_INIT_OFF }, +}; + +static int rk3328_codec_close_playback(struct rk3328_codec_priv *rk3328) +{ + size_t i; + + rk3328_analog_output(rk3328, 0); + + regmap_update_bits(rk3328->regmap, HPOUTL_GAIN_CTRL, + HPOUTL_GAIN_MASK, 0); + regmap_update_bits(rk3328->regmap, HPOUTR_GAIN_CTRL, + HPOUTR_GAIN_MASK, 0); + + for (i = 0; i < ARRAY_SIZE(playback_close_list); i++) { + regmap_update_bits(rk3328->regmap, + playback_close_list[i].reg, + playback_close_list[i].msk, + playback_close_list[i].val); + mdelay(1); + } + + regmap_update_bits(rk3328->regmap, DAC_PRECHARGE_CTRL, + DAC_CHARGE_CURRENT_ALL_MASK, + DAC_CHARGE_CURRENT_I); + + return 0; +} + +static int rk3328_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct rk3328_codec_priv *rk3328 = + snd_soc_component_get_drvdata(dai->component); + unsigned int val = 0; + + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S16_LE: + val = DAC_VDL_16BITS; + break; + case SNDRV_PCM_FORMAT_S20_3LE: + val = DAC_VDL_20BITS; + break; + case SNDRV_PCM_FORMAT_S24_LE: + val = DAC_VDL_24BITS; + break; + case SNDRV_PCM_FORMAT_S32_LE: + val = DAC_VDL_32BITS; + break; + default: + return -EINVAL; + } + regmap_update_bits(rk3328->regmap, DAC_INIT_CTRL2, DAC_VDL_MASK, val); + + val = DAC_WL_32BITS | DAC_RST_DIS; + regmap_update_bits(rk3328->regmap, DAC_INIT_CTRL3, + DAC_WL_MASK | DAC_RST_MASK, val); + + return 0; +} + +static int rk3328_pcm_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct rk3328_codec_priv *rk3328 = + snd_soc_component_get_drvdata(dai->component); + + return rk3328_codec_open_playback(rk3328); +} + +static void rk3328_pcm_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct rk3328_codec_priv *rk3328 = + snd_soc_component_get_drvdata(dai->component); + + rk3328_codec_close_playback(rk3328); +} + +static const struct snd_soc_dai_ops rk3328_dai_ops = { + .hw_params = rk3328_hw_params, + .set_fmt = rk3328_set_dai_fmt, + .digital_mute = rk3328_digital_mute, + .startup = rk3328_pcm_startup, + .shutdown = rk3328_pcm_shutdown, +}; + +static struct snd_soc_dai_driver rk3328_dai[] = { + { + .name = "rk3328-hifi", + .id = RK3328_HIFI, + .playback = { + .stream_name = "HIFI Playback", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_96000, + .formats = (SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S20_3LE | + SNDRV_PCM_FMTBIT_S24_LE | + SNDRV_PCM_FMTBIT_S32_LE), + }, + .capture = { + .stream_name = "HIFI Capture", + .channels_min = 2, + .channels_max = 8, + .rates = SNDRV_PCM_RATE_8000_96000, + .formats = (SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S20_3LE | + SNDRV_PCM_FMTBIT_S24_LE | + SNDRV_PCM_FMTBIT_S32_LE), + }, + .ops = &rk3328_dai_ops, + }, +}; + +static int rk3328_codec_probe(struct snd_soc_component *component) +{ + struct rk3328_codec_priv *rk3328 = + snd_soc_component_get_drvdata(component); + + rk3328_codec_reset(rk3328); + rk3328_codec_power_on(rk3328, 0); + + return 0; +} + +static void rk3328_codec_remove(struct snd_soc_component *component) +{ + struct rk3328_codec_priv *rk3328 = + snd_soc_component_get_drvdata(component); + + rk3328_codec_close_playback(rk3328); + rk3328_codec_power_off(rk3328, 0); +} + +static const struct snd_soc_component_driver soc_codec_rk3328 = { + .probe = rk3328_codec_probe, + .remove = rk3328_codec_remove, +}; + +static bool rk3328_codec_write_read_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case CODEC_RESET: + case DAC_INIT_CTRL1: + case DAC_INIT_CTRL2: + case DAC_INIT_CTRL3: + case DAC_PRECHARGE_CTRL: + case DAC_PWR_CTRL: + case DAC_CLK_CTRL: + case HPMIX_CTRL: + case DAC_SELECT: + case HPOUT_CTRL: + case HPOUTL_GAIN_CTRL: + case HPOUTR_GAIN_CTRL: + case HPOUT_POP_CTRL: + return true; + default: + return false; + } +} + +static bool rk3328_codec_volatile_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case CODEC_RESET: + return true; + default: + return false; + } +} + +static const struct regmap_config rk3328_codec_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = HPOUT_POP_CTRL, + .writeable_reg = rk3328_codec_write_read_reg, + .readable_reg = rk3328_codec_write_read_reg, + .volatile_reg = rk3328_codec_volatile_reg, + .reg_defaults = rk3328_codec_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(rk3328_codec_reg_defaults), + .cache_type = REGCACHE_FLAT, +}; + +static int rk3328_platform_probe(struct platform_device *pdev) +{ + struct device_node *rk3328_np = pdev->dev.of_node; + struct rk3328_codec_priv *rk3328; + struct resource *res; + struct regmap *grf; + void __iomem *base; + int ret = 0; + + rk3328 = devm_kzalloc(&pdev->dev, sizeof(*rk3328), GFP_KERNEL); + if (!rk3328) + return -ENOMEM; + + grf = syscon_regmap_lookup_by_phandle(rk3328_np, + "rockchip,grf"); + if (IS_ERR(grf)) { + dev_err(&pdev->dev, "missing 'rockchip,grf'\n"); + return PTR_ERR(grf); + } + rk3328->grf = grf; + /* enable i2s_acodec_en */ + regmap_write(grf, RK3328_GRF_SOC_CON2, + (BIT(14) << 16 | BIT(14))); + + ret = of_property_read_u32(rk3328_np, "spk-depop-time-ms", + &rk3328->spk_depop_time); + if (ret < 0) { + dev_info(&pdev->dev, "spk_depop_time use default value.\n"); + rk3328->spk_depop_time = 200; + } + + rk3328_analog_output(rk3328, 0); + + rk3328->mclk = devm_clk_get(&pdev->dev, "mclk"); + if (IS_ERR(rk3328->mclk)) + return PTR_ERR(rk3328->mclk); + + ret = clk_prepare_enable(rk3328->mclk); + if (ret) + return ret; + clk_set_rate(rk3328->mclk, INITIAL_FREQ); + + rk3328->pclk = devm_clk_get(&pdev->dev, "pclk"); + if (IS_ERR(rk3328->pclk)) { + dev_err(&pdev->dev, "can't get acodec pclk\n"); + return PTR_ERR(rk3328->pclk); + } + + ret = clk_prepare_enable(rk3328->pclk); + if (ret < 0) { + dev_err(&pdev->dev, "failed to enable acodec pclk\n"); + return ret; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(base)) + return PTR_ERR(base); + + rk3328->regmap = devm_regmap_init_mmio(&pdev->dev, base, + &rk3328_codec_regmap_config); + if (IS_ERR(rk3328->regmap)) + return PTR_ERR(rk3328->regmap); + + platform_set_drvdata(pdev, rk3328); + + return devm_snd_soc_register_component(&pdev->dev, &soc_codec_rk3328, + rk3328_dai, + ARRAY_SIZE(rk3328_dai)); +} + +static const struct of_device_id rk3328_codec_of_match[] = { + { .compatible = "rockchip,rk3328-codec", }, + {}, +}; +MODULE_DEVICE_TABLE(of, rk3328_codec_of_match); + +static struct platform_driver rk3328_codec_driver = { + .driver = { + .name = "rk3328-codec", + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(rk3328_codec_of_match), + }, + .probe = rk3328_platform_probe, +}; +module_platform_driver(rk3328_codec_driver); + +MODULE_AUTHOR("Sugar Zhang <sugar.zhang@xxxxxxxxxxxxxx>"); +MODULE_DESCRIPTION("ASoC rk3328 codec driver"); +MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/codecs/rk3328_codec.h b/sound/soc/codecs/rk3328_codec.h new file mode 100644 index 000000000000..655103586241 --- /dev/null +++ b/sound/soc/codecs/rk3328_codec.h @@ -0,0 +1,210 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * rk3328 ALSA SoC Audio driver + * + * Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd All rights reserved. + */ + +#ifndef _RK3328_CODEC_H +#define _RK3328_CODEC_H + +#include <linux/bitfield.h> + +/* codec register */ +#define CODEC_RESET (0x00 << 2) +#define DAC_INIT_CTRL1 (0x03 << 2) +#define DAC_INIT_CTRL2 (0x04 << 2) +#define DAC_INIT_CTRL3 (0x05 << 2) +#define DAC_PRECHARGE_CTRL (0x22 << 2) +#define DAC_PWR_CTRL (0x23 << 2) +#define DAC_CLK_CTRL (0x24 << 2) +#define HPMIX_CTRL (0x25 << 2) +#define DAC_SELECT (0x26 << 2) +#define HPOUT_CTRL (0x27 << 2) +#define HPOUTL_GAIN_CTRL (0x28 << 2) +#define HPOUTR_GAIN_CTRL (0x29 << 2) +#define HPOUT_POP_CTRL (0x2a << 2) + +/* REG00: CODEC_RESET */ +#define PWR_RST_BYPASS_DIS (0x0 << 6) +#define PWR_RST_BYPASS_EN (0x1 << 6) +#define DIG_CORE_RST (0x0 << 1) +#define DIG_CORE_WORK (0x1 << 1) +#define SYS_RST (0x0 << 0) +#define SYS_WORK (0x1 << 0) + +/* REG03: DAC_INIT_CTRL1 */ +#define PIN_DIRECTION_MASK BIT(5) +#define PIN_DIRECTION_IN (0x0 << 5) +#define PIN_DIRECTION_OUT (0x1 << 5) +#define DAC_I2S_MODE_MASK BIT(4) +#define DAC_I2S_MODE_SLAVE (0x0 << 4) +#define DAC_I2S_MODE_MASTER (0x1 << 4) + +/* REG04: DAC_INIT_CTRL2 */ +#define DAC_I2S_LRP_MASK BIT(7) +#define DAC_I2S_LRP_NORMAL (0x0 << 7) +#define DAC_I2S_LRP_REVERSAL (0x1 << 7) +#define DAC_VDL_MASK GENMASK(6, 5) +#define DAC_VDL_16BITS (0x0 << 5) +#define DAC_VDL_20BITS (0x1 << 5) +#define DAC_VDL_24BITS (0x2 << 5) +#define DAC_VDL_32BITS (0x3 << 5) +#define DAC_MODE_MASK GENMASK(4, 3) +#define DAC_MODE_RJM (0x0 << 3) +#define DAC_MODE_LJM (0x1 << 3) +#define DAC_MODE_I2S (0x2 << 3) +#define DAC_MODE_PCM (0x3 << 3) +#define DAC_LR_SWAP_MASK BIT(2) +#define DAC_LR_SWAP_DIS (0x0 << 2) +#define DAC_LR_SWAP_EN (0x1 << 2) + +/* REG05: DAC_INIT_CTRL3 */ +#define DAC_WL_MASK GENMASK(3, 2) +#define DAC_WL_16BITS (0x0 << 2) +#define DAC_WL_20BITS (0x1 << 2) +#define DAC_WL_24BITS (0x2 << 2) +#define DAC_WL_32BITS (0x3 << 2) +#define DAC_RST_MASK BIT(1) +#define DAC_RST_EN (0x0 << 1) +#define DAC_RST_DIS (0x1 << 1) +#define DAC_BCP_MASK BIT(0) +#define DAC_BCP_NORMAL (0x0 << 0) +#define DAC_BCP_REVERSAL (0x1 << 0) + +/* REG22: DAC_PRECHARGE_CTRL */ +#define DAC_CHARGE_XCHARGE_MASK BIT(7) +#define DAC_CHARGE_DISCHARGE (0x0 << 7) +#define DAC_CHARGE_PRECHARGE (0x1 << 7) +#define DAC_CHARGE_CURRENT_64I_MASK BIT(6) +#define DAC_CHARGE_CURRENT_64I (0x1 << 6) +#define DAC_CHARGE_CURRENT_32I_MASK BIT(5) +#define DAC_CHARGE_CURRENT_32I (0x1 << 5) +#define DAC_CHARGE_CURRENT_16I_MASK BIT(4) +#define DAC_CHARGE_CURRENT_16I (0x1 << 4) +#define DAC_CHARGE_CURRENT_08I_MASK BIT(3) +#define DAC_CHARGE_CURRENT_08I (0x1 << 3) +#define DAC_CHARGE_CURRENT_04I_MASK BIT(2) +#define DAC_CHARGE_CURRENT_04I (0x1 << 2) +#define DAC_CHARGE_CURRENT_02I_MASK BIT(1) +#define DAC_CHARGE_CURRENT_02I (0x1 << 1) +#define DAC_CHARGE_CURRENT_I_MASK BIT(0) +#define DAC_CHARGE_CURRENT_I (0x1 << 0) +#define DAC_CHARGE_CURRENT_ALL_MASK GENMASK(6, 0) +#define DAC_CHARGE_CURRENT_ALL_OFF 0x00 +#define DAC_CHARGE_CURRENT_ALL_ON 0x7f + +/* REG23: DAC_PWR_CTRL */ +#define DAC_PWR_MASK BIT(6) +#define DAC_PWR_OFF (0x0 << 6) +#define DAC_PWR_ON (0x1 << 6) +#define DACL_PATH_REFV_MASK BIT(5) +#define DACL_PATH_REFV_OFF (0x0 << 5) +#define DACL_PATH_REFV_ON (0x1 << 5) +#define HPOUTL_ZERO_CROSSING_MASK BIT(4) +#define HPOUTL_ZERO_CROSSING_OFF (0x0 << 4) +#define HPOUTL_ZERO_CROSSING_ON (0x1 << 4) +#define DACR_PATH_REFV_MASK BIT(1) +#define DACR_PATH_REFV_OFF (0x0 << 1) +#define DACR_PATH_REFV_ON (0x1 << 1) +#define HPOUTR_ZERO_CROSSING_MASK BIT(0) +#define HPOUTR_ZERO_CROSSING_OFF (0x0 << 0) +#define HPOUTR_ZERO_CROSSING_ON (0x1 << 0) + +/* REG24: DAC_CLK_CTRL */ +#define DACL_REFV_MASK BIT(7) +#define DACL_REFV_OFF (0x0 << 7) +#define DACL_REFV_ON (0x1 << 7) +#define DACL_CLK_MASK BIT(6) +#define DACL_CLK_OFF (0x0 << 6) +#define DACL_CLK_ON (0x1 << 6) +#define DACL_MASK BIT(5) +#define DACL_OFF (0x0 << 5) +#define DACL_ON (0x1 << 5) +#define DACL_INIT_MASK BIT(4) +#define DACL_INIT_OFF (0x0 << 4) +#define DACL_INIT_ON (0x1 << 4) +#define DACR_REFV_MASK BIT(3) +#define DACR_REFV_OFF (0x0 << 3) +#define DACR_REFV_ON (0x1 << 3) +#define DACR_CLK_MASK BIT(2) +#define DACR_CLK_OFF (0x0 << 2) +#define DACR_CLK_ON (0x1 << 2) +#define DACR_MASK BIT(1) +#define DACR_OFF (0x0 << 1) +#define DACR_ON (0x1 << 1) +#define DACR_INIT_MASK BIT(0) +#define DACR_INIT_OFF (0x0 << 0) +#define DACR_INIT_ON (0x1 << 0) + +/* REG25: HPMIX_CTRL*/ +#define HPMIXL_MASK BIT(6) +#define HPMIXL_DIS (0x0 << 6) +#define HPMIXL_EN (0x1 << 6) +#define HPMIXL_INIT_MASK BIT(5) +#define HPMIXL_INIT_DIS (0x0 << 5) +#define HPMIXL_INIT_EN (0x1 << 5) +#define HPMIXL_INIT2_MASK BIT(4) +#define HPMIXL_INIT2_DIS (0x0 << 4) +#define HPMIXL_INIT2_EN (0x1 << 4) +#define HPMIXR_MASK BIT(2) +#define HPMIXR_DIS (0x0 << 2) +#define HPMIXR_EN (0x1 << 2) +#define HPMIXR_INIT_MASK BIT(1) +#define HPMIXR_INIT_DIS (0x0 << 1) +#define HPMIXR_INIT_EN (0x1 << 1) +#define HPMIXR_INIT2_MASK BIT(0) +#define HPMIXR_INIT2_DIS (0x0 << 0) +#define HPMIXR_INIT2_EN (0x1 << 0) + +/* REG26: DAC_SELECT */ +#define DACL_SELECT_MASK BIT(4) +#define DACL_UNSELECT (0x0 << 4) +#define DACL_SELECT (0x1 << 4) +#define DACR_SELECT_MASK BIT(0) +#define DACR_UNSELECT (0x0 << 0) +#define DACR_SELECT (0x1 << 0) + +/* REG27: HPOUT_CTRL */ +#define HPOUTL_MASK BIT(7) +#define HPOUTL_DIS (0x0 << 7) +#define HPOUTL_EN (0x1 << 7) +#define HPOUTL_INIT_MASK BIT(6) +#define HPOUTL_INIT_DIS (0x0 << 6) +#define HPOUTL_INIT_EN (0x1 << 6) +#define HPOUTL_MUTE_MASK BIT(5) +#define HPOUTL_MUTE (0x0 << 5) +#define HPOUTL_UNMUTE (0x1 << 5) +#define HPOUTR_MASK BIT(4) +#define HPOUTR_DIS (0x0 << 4) +#define HPOUTR_EN (0x1 << 4) +#define HPOUTR_INIT_MASK BIT(3) +#define HPOUTR_INIT_DIS (0x0 << 3) +#define HPOUTR_INIT_EN (0x1 << 3) +#define HPOUTR_MUTE_MASK BIT(2) +#define HPOUTR_MUTE (0x0 << 2) +#define HPOUTR_UNMUTE (0x1 << 2) + +/* REG28: HPOUTL_GAIN_CTRL */ +#define HPOUTL_GAIN_MASK GENMASK(4, 0) + +/* REG29: HPOUTR_GAIN_CTRL */ +#define HPOUTR_GAIN_MASK GENMASK(4, 0) + +/* REG2a: HPOUT_POP_CTRL */ +#define HPOUTR_POP_MASK GENMASK(5, 4) +#define HPOUTR_POP_XCHARGE (0x1 << 4) +#define HPOUTR_POP_WORK (0x2 << 4) +#define HPOUTL_POP_MASK GENMASK(1, 0) +#define HPOUTL_POP_XCHARGE (0x1 << 0) +#define HPOUTL_POP_WORK (0x2 << 0) + +#define RK3328_HIFI 0 + +struct rk3328_reg_msk_val { + unsigned int reg; + unsigned int msk; + unsigned int val; +}; + +#endif -- 2.19.2 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