From: ZhengShunQian zhengsq@rock-chips.com

RK3036 SoC integrated with an Inno audio codec. This driver config the base function of codec. And the dapm is still WIP.

Signed-off-by: ZhengShunQian zhengsq@rock-chips.com --- sound/soc/codecs/Kconfig | 4 + sound/soc/codecs/Makefile | 2 + sound/soc/codecs/inno_rk3036.c | 439 +++++++++++++++++++++++++++++++++++++++++ sound/soc/codecs/inno_rk3036.h | 308 +++++++++++++++++++++++++++++ 4 files changed, 753 insertions(+) create mode 100644 sound/soc/codecs/inno_rk3036.c create mode 100644 sound/soc/codecs/inno_rk3036.h

diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index cfdafc4..e3cd3e7 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -471,6 +471,10 @@ config SND_SOC_GTM601 config SND_SOC_ICS43432 tristate

+config SND_SOC_INNO_RK3036 + tristate "Inno codec driver for RK3036 SoC" + depends on ARCH_ROCKCHIP + config SND_SOC_ISABELLE tristate

diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index f632fc4..2f6bc6c 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -60,6 +60,7 @@ snd-soc-es8328-i2c-objs := es8328-i2c.o snd-soc-es8328-spi-objs := es8328-spi.o snd-soc-gtm601-objs := gtm601.o snd-soc-ics43432-objs := ics43432.o +snd-soc-inno-rk3036-objs := inno_rk3036.o snd-soc-isabelle-objs := isabelle.o snd-soc-jz4740-codec-objs := jz4740.o snd-soc-l3-objs := l3.o @@ -255,6 +256,7 @@ obj-$(CONFIG_SND_SOC_ES8328_I2C)+= snd-soc-es8328-i2c.o obj-$(CONFIG_SND_SOC_ES8328_SPI)+= snd-soc-es8328-spi.o obj-$(CONFIG_SND_SOC_GTM601) += snd-soc-gtm601.o obj-$(CONFIG_SND_SOC_ICS43432) += snd-soc-ics43432.o +obj-$(CONFIG_SND_SOC_INNO_RK3036) += snd-soc-inno-rk3036.o obj-$(CONFIG_SND_SOC_ISABELLE) += snd-soc-isabelle.o obj-$(CONFIG_SND_SOC_JZ4740_CODEC) += snd-soc-jz4740-codec.o obj-$(CONFIG_SND_SOC_L3) += snd-soc-l3.o diff --git a/sound/soc/codecs/inno_rk3036.c b/sound/soc/codecs/inno_rk3036.c new file mode 100644 index 0000000..e8e7356 --- /dev/null +++ b/sound/soc/codecs/inno_rk3036.c @@ -0,0 +1,439 @@ +/* + * Driver of Inno codec for rk3036 by Rockchip Inc. + * + * Author: Rockchip Inc. + * Author: Zheng ShunQianzhengsq@rock-chips.com + */ + +#define DEBUG + +#include <sound/soc.h> +#include <sound/soc-dai.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> + +#include <linux/platform_device.h> +#include <linux/of.h> +#include <linux/clk.h> +#include <linux/regmap.h> +#include <linux/device.h> +#include <linux/delay.h> +#include <linux/mfd/syscon.h> +#include <linux/module.h> +#include <linux/io.h> + +#include "inno_rk3036.h" + +struct rk3036_codec_priv { + void __iomem *base; + struct clk *pclk; + struct regmap *regmap; + struct device *dev; +}; + +static int rk3036_codec_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, + unsigned int fre, int dir) +{ + /* Nothing to be done here */ + return 0; +} + +static int rk3036_codec_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) +{ + struct snd_soc_codec *codec = dai->codec; + unsigned int reg01_val = 0, reg02_val = 0, reg03_val = 0; + + dev_dbg(codec->dev, "rk3036_codec dai set fmt : %08x\n", fmt); + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBS_CFS: + reg01_val |= INNO_REG_01_PINDIR_IN_SLAVE | + INNO_REG_01_I2SMODE_SLAVE; + break; + case SND_SOC_DAIFMT_CBM_CFM: + reg01_val |= INNO_REG_01_PINDIR_OUT_MASTER | + INNO_REG_01_I2SMODE_MASTER; + break; + default: + dev_err(codec->dev, "invalid fmt\n"); + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_DSP_A: + reg02_val |= INNO_REG_02_DACM_PCM; + break; + case SND_SOC_DAIFMT_I2S: + reg02_val |= INNO_REG_02_DACM_I2S; + break; + case SND_SOC_DAIFMT_RIGHT_J: + reg02_val |= INNO_REG_02_DACM_RJM; + break; + case SND_SOC_DAIFMT_LEFT_J: + reg02_val |= INNO_REG_02_DACM_LJM; + break; + default: + dev_err(codec->dev, "set dai format failed\n"); + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + reg02_val |= INNO_REG_02_LRCP_NORMAL; + reg03_val |= INNO_REG_03_BCP_NORMAL; + break; + case SND_SOC_DAIFMT_IB_IF: + reg02_val |= INNO_REG_02_LRCP_REVERSAL; + reg03_val |= INNO_REG_03_BCP_REVERSAL; + break; + case SND_SOC_DAIFMT_IB_NF: + reg02_val |= INNO_REG_02_LRCP_REVERSAL; + reg03_val |= INNO_REG_03_BCP_NORMAL; + break; + case SND_SOC_DAIFMT_NB_IF: + reg02_val |= INNO_REG_02_LRCP_NORMAL; + reg03_val |= INNO_REG_03_BCP_REVERSAL; + break; + default: + dev_err(codec->dev, "set dai format failed\n"); + return -EINVAL; + } + + snd_soc_update_bits(codec, INNO_REG_01, INNO_REG_01_I2SMODE_MASK | + INNO_REG_01_PINDIR_MASK, reg01_val); + snd_soc_update_bits(codec, INNO_REG_02, INNO_REG_02_LRCP_MASK | + INNO_REG_02_DACM_MASK, reg02_val); + snd_soc_update_bits(codec, INNO_REG_03, INNO_REG_03_BCP_MASK, + reg03_val); + return 0; +} + +static int rk3036_codec_dai_digital_mute(struct snd_soc_dai *dai, int mute) +{ + struct snd_soc_codec *codec = dai->codec; + unsigned int val = 0; + + dev_dbg(codec->dev, "rk3036_codec dai mute : %d\n", mute); + if (mute) + val |= INNO_REG_09_HP_OUTR_MUTE_YES | + INNO_REG_09_HP_OUTL_MUTE_YES; + else + val |= INNO_REG_09_HP_OUTR_MUTE_NO | + INNO_REG_09_HP_OUTL_MUTE_NO; + + snd_soc_update_bits(codec, INNO_REG_09, INNO_REG_09_HP_OUTR_MUTE_MASK | + INNO_REG_09_HP_OUTL_MUTE_MASK, val); + return 0; +} + +static int rk3036_codec_dai_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params, + struct snd_soc_dai *dai) +{ + struct snd_soc_codec *codec = dai->codec; + unsigned int reg02_val = 0, reg03_val = 0; + + dev_dbg(codec->dev, "rk3036_codec dai hw_params"); + + switch (params_format(hw_params)) { + case SNDRV_PCM_FORMAT_S16_LE: + reg02_val |= INNO_REG_02_VWL_16BIT; + break; + case SNDRV_PCM_FORMAT_S20_3LE: + reg02_val |= INNO_REG_02_VWL_20BIT; + break; + case SNDRV_PCM_FORMAT_S24_LE: + reg02_val |= INNO_REG_02_VWL_24BIT; + break; + case SNDRV_PCM_FORMAT_S32_LE: + reg02_val |= INNO_REG_02_VWL_32BIT; + break; + default: + return -EINVAL; + } + + reg02_val |= INNO_REG_02_LRCP_NORMAL; + reg03_val |= INNO_REG_03_FWL_32BIT | INNO_REG_03_DACR_WORK; + + snd_soc_update_bits(codec, INNO_REG_02, INNO_REG_02_LRCP_MASK | + INNO_REG_02_VWL_MASK, reg02_val); + snd_soc_update_bits(codec, INNO_REG_03, INNO_REG_03_DACR_MASK | + INNO_REG_03_FWL_MASK, reg03_val); + return 0; +} + +#define RK3036_CODEC_RATES (SNDRV_PCM_RATE_8000 | \ + SNDRV_PCM_RATE_16000 | \ + SNDRV_PCM_RATE_32000 | \ + SNDRV_PCM_RATE_44100 | \ + SNDRV_PCM_RATE_48000 | \ + SNDRV_PCM_RATE_96000) + +#define RK3036_CODEC_FMTS (SNDRV_PCM_FMTBIT_S16_LE | \ + SNDRV_PCM_FMTBIT_S20_3LE | \ + SNDRV_PCM_FMTBIT_S24_LE | \ + SNDRV_PCM_FMTBIT_S32_LE) + +struct snd_soc_dai_ops rk3036_codec_dai_ops = { + .set_sysclk = rk3036_codec_dai_set_sysclk, + .set_fmt = rk3036_codec_dai_set_fmt, + .digital_mute = rk3036_codec_dai_digital_mute, + .hw_params = rk3036_codec_dai_hw_params, +}; + +struct snd_soc_dai_driver rk3036_codec_dai_driver[] = { + { + .name = "rk3036-codec-dai", + .playback = { + .stream_name = "Playback", + .channels_min = 1, + .channels_max = 2, + .rates = RK3036_CODEC_RATES, + .formats = RK3036_CODEC_FMTS, + }, + .ops = &rk3036_codec_dai_ops, + .symmetric_rates = 1, + }, +}; + +static void rk3036_codec_reset(struct snd_soc_codec *codec) +{ + dev_dbg(codec->dev, "rk3036_codec reset\n"); + snd_soc_write(codec, INNO_REG_00, + INNO_REG_00_CSR_RESET | INNO_REG_00_CDCR_RESET); + mdelay(10); + snd_soc_write(codec, INNO_REG_00, + INNO_REG_00_CSR_WORK | INNO_REG_00_CDCR_WORK); + mdelay(10); +} + +static void rk3036_codec_power_off(struct snd_soc_codec *codec) +{ + struct inno_reg_val *reg_val; + int i; + + dev_dbg(codec->dev, "rk3036_codec power off\n"); + /* set a big current for capacitor charging. */ + snd_soc_write(codec, INNO_REG_10, INNO_REG_10_MAX_CUR); + /* start discharge. */ + snd_soc_write(codec, INNO_REG_06, INNO_REG_06_DAC_DISCHARGE); + + for (i = 0; i < ARRAY_SIZE(inno_codec_close_path); i++) { + reg_val = &inno_codec_open_path[i]; + snd_soc_write(codec, reg_val->reg, reg_val->val); + mdelay(5); + } +} + +static void rk3036_codec_power_on(struct snd_soc_codec *codec) +{ + struct inno_reg_val *reg_val; + int i; + + dev_dbg(codec->dev, "rk3036_codec power on\n"); + /* set a big current for capacitor discharging. */ + snd_soc_write(codec, INNO_REG_10, INNO_REG_10_MAX_CUR); + mdelay(10); + /* start precharge */ + snd_soc_write(codec, INNO_REG_06, INNO_REG_06_DAC_PRECHARGE); + mdelay(100); + + for (i = 0; i < ARRAY_SIZE(inno_codec_open_path); i++) { + reg_val = &inno_codec_open_path[i]; + snd_soc_write(codec, reg_val->reg, reg_val->val); + mdelay(5); + } +} + +static int rk3036_codec_probe(struct snd_soc_codec *codec) +{ + dev_dbg(codec->dev, "rk3036_codec probe\n"); + + rk3036_codec_reset(codec); + + rk3036_codec_power_off(codec); + /* wait for capacitor discharge finished. */ + mdelay(10); + + rk3036_codec_power_on(codec); + + return 0; +} + +static int rk3036_codec_remove(struct snd_soc_codec *codec) +{ + dev_dbg(codec->dev, "rk3036_codec remove\n"); + rk3036_codec_power_off(codec); + + return 0; +} + +static int rk3036_codec_set_bias_level(struct snd_soc_codec *codec, + enum snd_soc_bias_level level) +{ + dev_dbg(codec->dev, "rk3036_codec set bias\n"); + switch (level) { + case SND_SOC_BIAS_ON: + break; + + case SND_SOC_BIAS_PREPARE: + break; + + case SND_SOC_BIAS_STANDBY: + break; + + case SND_SOC_BIAS_OFF: + break; + } + + return 0; +} + +static struct regmap *rk3036_codec_get_regmap(struct device *dev) +{ + struct rk3036_codec_priv *priv = dev_get_drvdata(dev); + + dev_dbg(dev, "rk3036_codec get regmap\n"); + return priv->regmap; +} + +static struct snd_soc_codec_driver rk3036_codec_driver = { + .probe = rk3036_codec_probe, + .remove = rk3036_codec_remove, + .set_bias_level = rk3036_codec_set_bias_level, + .get_regmap = rk3036_codec_get_regmap, +}; + +static int codec_reg_read(void *context, unsigned int reg, unsigned int *val) +{ + struct rk3036_codec_priv *priv = context; + void __iomem *base = priv->base; + + *val = readl(base + reg); + return 0; +} + +static int codec_reg_write(void *context, unsigned int reg, unsigned int val) +{ + struct rk3036_codec_priv *priv = context; + void __iomem *base = priv->base; + + dev_dbg(priv->dev, "write %08x to %08x\n", val, reg); + writel(val, base + reg); + return 0; +} + +static struct regmap_bus codec_regmap_bus = { + .reg_read = codec_reg_read, + .reg_write = codec_reg_write, + .reg_format_endian_default = REGMAP_ENDIAN_NATIVE, + .val_format_endian_default = REGMAP_ENDIAN_NATIVE, +}; + +static struct regmap_config rk3036_codec_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 8, +}; + +static int rk3036_codec_platform_probe(struct platform_device *pdev) +{ + struct rk3036_codec_priv *priv; + struct device_node *of_node = pdev->dev.of_node; + struct resource *res; + void __iomem *base; + struct regmap *grf; + int ret; + + dev_dbg(&pdev->dev, "rk3036_codec platform probe\n"); + priv = devm_kzalloc(&pdev->dev, sizeof(struct rk3036_codec_priv), + GFP_KERNEL); + if (!priv) + return -ENOMEM; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(base)) + return PTR_ERR(base); + + priv->base = base; + priv->regmap = devm_regmap_init(&pdev->dev, &codec_regmap_bus, priv, + &rk3036_codec_regmap_config); + if (IS_ERR(priv->regmap)) { + dev_err(&pdev->dev, "init regmap failed\n"); + return PTR_ERR(priv->regmap); + } + + grf = syscon_regmap_lookup_by_phandle(of_node, "rockchip,grf"); + if (IS_ERR(grf)) { + dev_err(&pdev->dev, "needs 'rockchip,grf' property\n"); + return PTR_ERR(grf); + } + ret = regmap_write(grf, 0x00140, BIT(16 + 10) | BIT(10)); + if (ret != 0) { + dev_err(&pdev->dev, "Could not write to GRF: %d\n", ret); + return ret; + } + + priv->pclk = devm_clk_get(&pdev->dev, "acodec_pclk"); + if (IS_ERR(priv->pclk)) + return PTR_ERR(priv->pclk); + + ret = clk_prepare_enable(priv->pclk); + if (ret < 0) { + dev_err(&pdev->dev, "failed to enable clk\n"); + return ret; + } + + priv->dev = &pdev->dev; + dev_set_drvdata(&pdev->dev, priv); + + ret = snd_soc_register_codec(&pdev->dev, &rk3036_codec_driver, + rk3036_codec_dai_driver, + ARRAY_SIZE(rk3036_codec_dai_driver)); + if (ret) { + clk_disable_unprepare(priv->pclk); + dev_set_drvdata(&pdev->dev, NULL); + } + + return ret; +} + +static int rk3036_codec_platform_remove(struct platform_device *pdev) +{ + struct rk3036_codec_priv *priv = dev_get_drvdata(&pdev->dev); + + dev_dbg(&pdev->dev, "rk3036_codec platform remove\n"); + snd_soc_unregister_codec(&pdev->dev); + clk_disable_unprepare(priv->pclk); + + return 0; +} + +static void rk3036_codec_platform_shutdown(struct platform_device *pdev) +{ + /*TODO:*/ +} + +static const struct of_device_id rk3036_codec_of_match[] = { + { .compatible = "rk3036-codec", }, + {} +}; +MODULE_DEVICE_TABLE(of, rk3036_codec_of_match); + +static struct platform_driver rk3036_codec_platform_driver = { + .driver = { + .name = "rk3036-codec-platform", + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(rk3036_codec_of_match), + }, + .probe = rk3036_codec_platform_probe, + .remove = rk3036_codec_platform_remove, + .shutdown = rk3036_codec_platform_shutdown, +}; + +module_platform_driver(rk3036_codec_platform_driver); + +MODULE_AUTHOR("Rockchip Inc."); +MODULE_DESCRIPTION("Rockchip rk3036 codec driver"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/inno_rk3036.h b/sound/soc/codecs/inno_rk3036.h new file mode 100644 index 0000000..8b01a9b --- /dev/null +++ b/sound/soc/codecs/inno_rk3036.h @@ -0,0 +1,308 @@ +/* + * Driver of Inno Codec for rk3036 by Rockchip Inc. + * Author: Zheng ShunQianzhengsq@rock-chips.com + */ + +#ifndef _INNO_RK3036_CODEC_H +#define _INNO_RK3036_CODEC_H + +/* codec registers */ +#define INNO_REG_00 0x00 +#define INNO_REG_01 0x0c +#define INNO_REG_02 0x10 +#define INNO_REG_03 0x14 +#define INNO_REG_04 0x88 +#define INNO_REG_05 0x8c +#define INNO_REG_06 0x90 +#define INNO_REG_07 0x94 +#define INNO_REG_08 0x98 +#define INNO_REG_09 0x9c +#define INNO_REG_10 0xa0 + +/* register bit filed */ +#define INNO_REG_00_CSR_RESET (0x0 << 0) /*codec system reset*/ +#define INNO_REG_00_CSR_WORK (0x1 << 0) +#define INNO_REG_00_CDCR_RESET (0x0 << 1) /*codec digital core reset*/ +#define INNO_REG_00_CDCR_WORK (0x1 << 1) +#define INNO_REG_00_PRB_DISABLE (0x0 << 6) /*power reset bypass*/ +#define INNO_REG_00_PRB_ENABLE (0x1 << 6) + +#define INNO_REG_01_I2SMODE_MASK (0x1 << 4) +#define INNO_REG_01_I2SMODE_SLAVE (0x0 << 4) +#define INNO_REG_01_I2SMODE_MASTER (0x1 << 4) +#define INNO_REG_01_PINDIR_MASK (0x1 << 5) +#define INNO_REG_01_PINDIR_IN_SLAVE (0x0 << 5) /*direction of pin*/ +#define INNO_REG_01_PINDIR_OUT_MASTER (0x1 << 5) + +#define INNO_REG_02_LRS_MASK (0x1 << 2) +#define INNO_REG_02_LRS_NORMAL (0x0 << 2) /*DAC Left Right Swap*/ +#define INNO_REG_02_LRS_SWAP (0x1 << 2) +#define INNO_REG_02_DACM_MASK (0x3 << 3) +#define INNO_REG_02_DACM_PCM (0x3 << 3) /*DAC Mode*/ +#define INNO_REG_02_DACM_I2S (0x2 << 3) +#define INNO_REG_02_DACM_LJM (0x1 << 3) +#define INNO_REG_02_DACM_RJM (0x0 << 3) +#define INNO_REG_02_VWL_MASK (0x3 << 5) +#define INNO_REG_02_VWL_32BIT (0x3 << 5) /*1/2Frame Valid Word Len*/ +#define INNO_REG_02_VWL_24BIT (0x2 << 5) +#define INNO_REG_02_VWL_20BIT (0x1 << 5) +#define INNO_REG_02_VWL_16BIT (0x0 << 5) +#define INNO_REG_02_LRCP_MASK (0x1 << 7) +#define INNO_REG_02_LRCP_NORMAL (0x0 << 7) /*Left Right Polarity*/ +#define INNO_REG_02_LRCP_REVERSAL (0x1 << 7) + +#define INNO_REG_03_BCP_MASK (0x1 << 0) +#define INNO_REG_03_BCP_NORMAL (0x0 << 0) /*DAC bit clock polarity*/ +#define INNO_REG_03_BCP_REVERSAL (0x1 << 0) +#define INNO_REG_03_DACR_MASK (0x1 << 1) +#define INNO_REG_03_DACR_RESET (0x0 << 1) /*DAC Reset*/ +#define INNO_REG_03_DACR_WORK (0x1 << 1) +#define INNO_REG_03_FWL_MASK (0x3 << 2) +#define INNO_REG_03_FWL_32BIT (0x3 << 2) /*1/2Frame Word Length*/ +#define INNO_REG_03_FWL_24BIT (0x2 << 2) +#define INNO_REG_03_FWL_20BIT (0x1 << 2) +#define INNO_REG_03_FWL_16BIT (0x0 << 2) + +#define INNO_REG_04_DACR_WORK (0x1 << 0) /*DAC Right Module*/ +#define INNO_REG_04_DACR_STOP (0x0 << 0) +#define INNO_REG_04_DACL_WORK (0x1 << 1) /*DAC Left Module*/ +#define INNO_REG_04_DACL_STOP (0x0 << 1) +#define INNO_REG_04_DACR_CLK_WORK (0x1 << 2) /*DAC Right CLK*/ +#define INNO_REG_04_DACR_CLK_STOP (0x0 << 2) +#define INNO_REG_04_DACL_CLK_WORK (0x1 << 3) /*DAC Left CLK*/ +#define INNO_REG_04_DACL_CLK_STOP (0x0 << 3) +#define INNO_REG_04_DACR_RV_WORK (0x1 << 4) /*DAC Right Ref Voltage*/ +#define INNO_REG_04_DACR_RV_STOP (0x0 << 4) +#define INNO_REG_04_DACL_RV_WORK (0x1 << 5) /*DAC Left Ref Voltage*/ +#define INNO_REG_04_DACL_RV_STOP (0x0 << 5) + +#define INNO_REG_05_HPOUTR_EN_WORK (0x1 << 0) /*HeadPhone Output Right*/ +#define INNO_REG_05_HPOUTR_EN_STOP (0x0 << 0) +#define INNO_REG_05_HPOUTL_EN_WORK (0x1 << 1) /*HeadPhone Output Left*/ +#define INNO_REG_05_HPOUTL_EN_STOP (0x0 << 1) +#define INNO_REG_05_HPOUTR_WORK (0x1 << 2) /*Init HP out right*/ +#define INNO_REG_05_HPOUTR_INIT (0x0 << 2) +#define INNO_REG_05_HPOUTL_WORK (0x1 << 3) /*Init HP out left*/ +#define INNO_REG_05_HPOUTL_INIT (0x0 << 3) + +#define INNO_REG_06_VOUTR_CZ_WORK (0x1 << 0) /*Cross-Zero detection*/ +#define INNO_REG_06_VOUTR_CZ_STOP (0x0 << 0) +#define INNO_REG_06_VOUTL_CZ_WORK (0x1 << 1) /*Cross-Zero detection*/ +#define INNO_REG_06_VOUTL_CZ_STOP (0x0 << 1) +#define INNO_REG_06_DACR_HL_RV_WORK (0x1 << 2) /*High & Low Ref Voltage*/ +#define INNO_REG_06_DACR_HL_RV_STOP (0x0 << 2) +#define INNO_REG_06_DACL_HL_RV_WORK (0x1 << 3) /*High & Low Ref Voltage*/ +#define INNO_REG_06_DACL_HL_RV_STOP (0x0 << 3) +#define INNO_REG_06_DAC_PRECHARGE (0x0 << 4) /*PreCharge control for DAC*/ +#define INNO_REG_06_DAC_DISCHARGE (0x1 << 4) +#define INNO_REG_06_DAC_EN_WORK (0x1 << 5) /*Enable Signal for DAC*/ +#define INNO_REG_06_DAC_EN_STOP (0x0 << 5) + +/* Gain of output, 1.5db step: -39db(0x0) ~ 0db(0x1a) ~ 6db(0x1f) */ +#define INNO_REG_07_HPOUTL_GAIN_0DB 0x1a +#define INNO_REG_07_HPOUTL_GAIN_N39DB 0x0 +#define INNO_REG_08_HPOUTR_GAIN_0DB 0x1a +#define INNO_REG_08_HPOUTR_GAIN_N39DB 0x0 + +#define INNO_REG_09_HP_OUTR_POP_PRECHARGE (0x1 << 0) +#define INNO_REG_09_HP_OUTR_POP_WORK (0x2 << 0) +#define INNO_REG_09_HP_OUTL_POP_PRECHARGE (0x1 << 2) +#define INNO_REG_09_HP_OUTL_POP_WORK (0x2 << 2) +#define INNO_REG_09_HP_OUTR_MUTE_MASK (0x1 << 4) +#define INNO_REG_09_HP_OUTR_MUTE_NO (0x1 << 4) +#define INNO_REG_09_HP_OUTR_MUTE_YES (0x0 << 4) +#define INNO_REG_09_HP_OUTL_MUTE_MASK (0x1 << 5) +#define INNO_REG_09_HP_OUTL_MUTE_NO (0x1 << 5) +#define INNO_REG_09_HP_OUTL_MUTE_YES (0x0 << 5) +#define INNO_REG_09_DACR_INIT (0x0 << 6) +#define INNO_REG_09_DACR_WORK (0x1 << 6) +#define INNO_REG_09_DACL_INIT (0x0 << 7) +#define INNO_REG_09_DACL_WORK (0x1 << 7) + +#define INNO_REG_09_POWERON (INNO_REG_09_HP_OUTR_POP_WORK | \ + INNO_REG_09_HP_OUTL_POP_WORK | \ + INNO_REG_09_HP_OUTR_MUTE_YES | \ + INNO_REG_09_HP_OUTL_MUTE_YES | \ + INNO_REG_09_DACR_WORK | \ + INNO_REG_09_DACL_WORK) + +#define INNO_REG_10_CHARGE_SEL_CUR_400I_YES (0x0 << 0) +#define INNO_REG_10_CHARGE_SEL_CUR_400I_NO (0x1 << 0) +#define INNO_REG_10_CHARGE_SEL_CUR_260I_YES (0x0 << 1) +#define INNO_REG_10_CHARGE_SEL_CUR_260I_NO (0x1 << 1) +#define INNO_REG_10_CHARGE_SEL_CUR_130I_YES (0x0 << 2) +#define INNO_REG_10_CHARGE_SEL_CUR_130I_NO (0x1 << 2) +#define INNO_REG_10_CHARGE_SEL_CUR_100I_YES (0x0 << 3) +#define INNO_REG_10_CHARGE_SEL_CUR_100I_NO (0x1 << 3) +#define INNO_REG_10_CHARGE_SEL_CUR_050I_YES (0x0 << 4) +#define INNO_REG_10_CHARGE_SEL_CUR_050I_NO (0x1 << 4) +#define INNO_REG_10_CHARGE_SEL_CUR_027I_YES (0x0 << 5) +#define INNO_REG_10_CHARGE_SEL_CUR_027I_NO (0x1 << 5) + +#define INNO_REG_10_MAX_CUR (INNO_REG_10_CHARGE_SEL_CUR_400I_YES | \ + INNO_REG_10_CHARGE_SEL_CUR_260I_YES | \ + INNO_REG_10_CHARGE_SEL_CUR_130I_YES | \ + INNO_REG_10_CHARGE_SEL_CUR_100I_YES | \ + INNO_REG_10_CHARGE_SEL_CUR_050I_YES | \ + INNO_REG_10_CHARGE_SEL_CUR_027I_YES) + +struct inno_reg_val { + int reg; + int val; +}; + +struct inno_reg_val inno_codec_open_path[] = { + { /* open current source */ + .reg = INNO_REG_06, + .val = INNO_REG_06_DAC_EN_WORK | + INNO_REG_06_DAC_PRECHARGE | + INNO_REG_06_DACL_HL_RV_STOP | + INNO_REG_06_DACR_HL_RV_STOP | + INNO_REG_06_VOUTR_CZ_STOP | + INNO_REG_06_VOUTL_CZ_STOP, + }, + { /* power on DAC path reference voltage */ + .reg = INNO_REG_04, + .val = INNO_REG_04_DACR_RV_WORK | + INNO_REG_04_DACL_RV_WORK | + INNO_REG_04_DACL_CLK_STOP | + INNO_REG_04_DACR_CLK_STOP | + INNO_REG_04_DACL_STOP | + INNO_REG_04_DACR_STOP, + }, + { /* PoP precharge work */ + .reg = INNO_REG_09, + .val = INNO_REG_09_DACL_INIT | + INNO_REG_09_DACR_INIT | + INNO_REG_09_HP_OUTL_MUTE_YES | + INNO_REG_09_HP_OUTR_MUTE_YES | + INNO_REG_09_HP_OUTR_POP_WORK | + INNO_REG_09_HP_OUTL_POP_WORK, + }, + { /* start up HPOUTL HPOUTR */ + .reg = INNO_REG_05, + .val = INNO_REG_05_HPOUTR_EN_WORK | + INNO_REG_05_HPOUTL_EN_WORK | + INNO_REG_05_HPOUTR_INIT | + INNO_REG_05_HPOUTL_INIT, + }, + { /* now the HPOUTL HPOUTR init OK */ + .reg = INNO_REG_05, + .val = INNO_REG_05_HPOUTR_EN_WORK | + INNO_REG_05_HPOUTL_EN_WORK | + INNO_REG_05_HPOUTR_WORK | + INNO_REG_05_HPOUTL_WORK, + }, + { /* start up special reference voltage of DACL DACR */ + .reg = INNO_REG_06, + .val = INNO_REG_06_DAC_EN_WORK | + INNO_REG_06_DAC_PRECHARGE | + INNO_REG_06_DACL_HL_RV_WORK | + INNO_REG_06_DACR_HL_RV_WORK | + INNO_REG_06_VOUTL_CZ_STOP | + INNO_REG_06_VOUTR_CZ_STOP, + }, + { /* start up clock module of LR channel */ + .reg = INNO_REG_04, + .val = INNO_REG_04_DACR_STOP | + INNO_REG_04_DACL_STOP | + INNO_REG_04_DACR_CLK_WORK | + INNO_REG_04_DACL_CLK_WORK | + INNO_REG_04_DACR_RV_WORK | + INNO_REG_04_DACL_RV_WORK, + }, + { /* start up DACL DACR module */ + .reg = INNO_REG_04, + .val = INNO_REG_04_DACR_WORK | + INNO_REG_04_DACL_WORK | + INNO_REG_04_DACR_CLK_WORK | + INNO_REG_04_DACL_CLK_WORK | + INNO_REG_04_DACR_RV_WORK | + INNO_REG_04_DACL_RV_WORK, + }, + { /* end of the init state of DACL DACR */ + .reg = INNO_REG_09, + .val = INNO_REG_09_POWERON, + }, + { /* set the gain of headphone output */ + .reg = INNO_REG_07, + .val = INNO_REG_07_HPOUTL_GAIN_0DB, + }, + { /* set the gain of headphone output */ + .reg = INNO_REG_08, + .val = INNO_REG_08_HPOUTR_GAIN_0DB, + }, + { /* end of the init state of DACL DACR */ + .reg = INNO_REG_09, + .val = INNO_REG_09_DACL_WORK | + INNO_REG_09_DACR_WORK | + INNO_REG_09_HP_OUTL_MUTE_NO | + INNO_REG_09_HP_OUTR_MUTE_NO | + INNO_REG_09_HP_OUTR_POP_WORK | + INNO_REG_09_HP_OUTL_POP_WORK, + }, +}; + +struct inno_reg_val inno_codec_close_path[] = { + { + .reg = INNO_REG_06, + .val = INNO_REG_06_DAC_EN_WORK | + INNO_REG_06_DAC_PRECHARGE | + INNO_REG_06_DACL_HL_RV_WORK | + INNO_REG_06_DACR_HL_RV_WORK | + INNO_REG_06_VOUTL_CZ_STOP | + INNO_REG_06_VOUTR_CZ_STOP, + }, + { + .reg = INNO_REG_07, + .val = INNO_REG_07_HPOUTL_GAIN_N39DB, + }, + { + .reg = INNO_REG_08, + .val = INNO_REG_08_HPOUTR_GAIN_N39DB, + }, + { + .reg = INNO_REG_09, + .val = INNO_REG_09_POWERON, + }, + { + .reg = INNO_REG_05, + .val = INNO_REG_05_HPOUTR_EN_WORK | + INNO_REG_05_HPOUTL_EN_WORK | + INNO_REG_05_HPOUTR_INIT | + INNO_REG_05_HPOUTL_INIT, + }, + { + .reg = INNO_REG_09, + .val = INNO_REG_09_DACL_WORK | + INNO_REG_09_DACR_WORK | + INNO_REG_09_HP_OUTL_MUTE_YES | + INNO_REG_09_HP_OUTR_MUTE_YES | + INNO_REG_09_HP_OUTR_POP_PRECHARGE | + INNO_REG_09_HP_OUTL_POP_PRECHARGE, + }, + { + .reg = INNO_REG_04, + .val = INNO_REG_04_DACR_RV_STOP | + INNO_REG_04_DACL_RV_STOP | + INNO_REG_04_DACL_CLK_STOP | + INNO_REG_04_DACR_CLK_STOP | + INNO_REG_04_DACL_STOP | + INNO_REG_04_DACR_STOP, + }, + { + .reg = INNO_REG_06, + .val = INNO_REG_06_DAC_DISCHARGE, + }, + { + .reg = INNO_REG_09, + .val = INNO_REG_09_DACL_INIT | + INNO_REG_09_DACR_INIT | + INNO_REG_09_HP_OUTL_MUTE_YES | + INNO_REG_09_HP_OUTR_MUTE_YES | + INNO_REG_09_HP_OUTR_POP_PRECHARGE | + INNO_REG_09_HP_OUTL_POP_PRECHARGE, + }, +}; + +#endif

From: ZhengShunQian zhengsq@rock-chips.com

This patch add the machine driver for rk3036.

RK3036 SoC is integrated with Inno codec, this patch should work for all RK3036 board.

Signed-off-by: ZhengShunQian zhengsq@rock-chips.com --- sound/soc/rockchip/Kconfig | 10 +++ sound/soc/rockchip/Makefile | 2 + sound/soc/rockchip/rockchip_rk3036.c | 147 +++++++++++++++++++++++++++++++++++ 3 files changed, 159 insertions(+) create mode 100644 sound/soc/rockchip/rockchip_rk3036.c

diff --git a/sound/soc/rockchip/Kconfig b/sound/soc/rockchip/Kconfig index 5709057..3d48bda 100644 --- a/sound/soc/rockchip/Kconfig +++ b/sound/soc/rockchip/Kconfig @@ -33,3 +33,13 @@ config SND_SOC_ROCKCHIP_RT5645 help Say Y or M here if you want to add support for SoC audio on Rockchip boards using the RT5645/RT5650 codec, such as Veyron. + +config SND_SOC_ROCKCHIP_RK3036 + tristate "ASoC support for RK3036 inner codec" + depends on SND_SOC_ROCKCHIP + select SND_SOC_ROCKCHIP_I2S + help + Say Y or M here if you want to add support for SoC audio on Rockchip + RK3036. + + diff --git a/sound/soc/rockchip/Makefile b/sound/soc/rockchip/Makefile index e9ba558..9a770c8 100644 --- a/sound/soc/rockchip/Makefile +++ b/sound/soc/rockchip/Makefile @@ -4,7 +4,9 @@ snd-soc-rockchip-i2s-objs := rockchip_i2s.o obj-$(CONFIG_SND_SOC_ROCKCHIP_I2S) += snd-soc-rockchip-i2s.o

snd-soc-rockchip-max98090-objs := rockchip_max98090.o +snd-soc-rockchip-rk3036-objs := rockchip_rk3036.o snd-soc-rockchip-rt5645-objs := rockchip_rt5645.o

obj-$(CONFIG_SND_SOC_ROCKCHIP_MAX98090) += snd-soc-rockchip-max98090.o +obj-$(CONFIG_SND_SOC_ROCKCHIP_RK3036) += snd-soc-rockchip-rk3036.o obj-$(CONFIG_SND_SOC_ROCKCHIP_RT5645) += snd-soc-rockchip-rt5645.o diff --git a/sound/soc/rockchip/rockchip_rk3036.c b/sound/soc/rockchip/rockchip_rk3036.c new file mode 100644 index 0000000..3747d90 --- /dev/null +++ b/sound/soc/rockchip/rockchip_rk3036.c @@ -0,0 +1,147 @@ +/* + * Machine driver for rk3036 audio codec. + * + * Copyright (c) 2015, ROCKCHIP CORPORATION. All rights reserved. + * + * Author: Zheng ShunQianzhengsq@rock-chips.com + */ + +#include <linux/device.h> +#include <linux/of.h> +#include <linux/module.h> + +#include <sound/soc.h> +#include <sound/pcm.h> +#include <sound/soc-dapm.h> + +static int rk3036_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + unsigned int dai_fmt = rtd->dai_link->dai_fmt; + int mclk, ret; + + dev_dbg(rtd->dev, "codec machine: %s\n", __func__); + /* set codec DAI configuration */ + ret = snd_soc_dai_set_fmt(codec_dai, dai_fmt); + if (ret < 0) + return ret; + + /* set cpu DAI configuration */ + ret = snd_soc_dai_set_fmt(cpu_dai, dai_fmt); + if (ret < 0) + return ret; + + switch (params_rate(params)) { + case 8000: + case 16000: + case 24000: + case 32000: + case 48000: + mclk = 12288000; + break; + case 44100: + mclk = 11289600; + break; + default: + return -EINVAL; + } + + /*Set the system clk for codec*/ + ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, SND_SOC_CLOCK_IN); + if (ret < 0) + return ret; + + ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk, SND_SOC_CLOCK_OUT); + if (ret < 0) + return ret; + + return 0; +} + +static struct snd_soc_ops rk3036_ops = { + .hw_params = rk3036_hw_params, +}; + +static int rk30_rk3036_codec_init(struct snd_soc_pcm_runtime *rtd) +{ + return 0; +} + +static struct snd_soc_dai_link rk3036_dai = { + .name = "INNO-RK3036", + .stream_name = "RK3036 CODEC PCM", + .codec_dai_name = "rk3036-codec-dai", + .init = rk30_rk3036_codec_init, + .ops = &rk3036_ops, + /* set codec as slave */ + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, +}; + +static struct snd_soc_card rockchip_rk3036_snd_card = { + .name = "ROCKCHIP-I2S", + .dai_link = &rk3036_dai, + .num_links = 1, +}; + +static int rockchip_rk3036_audio_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card = &rockchip_rk3036_snd_card; + struct device_node *np = pdev->dev.of_node; + + platform_set_drvdata(pdev, card); + card->dev = &pdev->dev; + + rk3036_dai.codec_of_node = of_parse_phandle(np, + "rockchip,audio-codec", 0); + if (!rk3036_dai.codec_of_node) { + dev_err(&pdev->dev, "Property 'rockchip,audio-codec' " + "missing or invalid\n"); + return -EINVAL; + } + + rk3036_dai.cpu_of_node = of_parse_phandle(np, + "rockchip,i2s-controller", 0); + if (!rk3036_dai.cpu_of_node) { + dev_err(&pdev->dev, "Property 'rockchip,i2s-controller' " + "missing or invalid\n"); + return -EINVAL; + } + + rk3036_dai.platform_of_node = rk3036_dai.cpu_of_node; + + return snd_soc_register_card(card); +} + +static int rockchip_rk3036_audio_remove(struct platform_device *pdev) +{ + struct snd_soc_card *card = platform_get_drvdata(pdev); + + snd_soc_unregister_card(card); + + return 0; +} + +static const struct of_device_id rockchip_rk3036_of_match[] = { + { .compatible = "rockchip,rk3036-audio", }, + {}, +}; +MODULE_DEVICE_TABLE(of, rockchip_rk3036_of_match); + +static struct platform_driver rockchip_rk3036_audio_driver = { + .driver = { + .name = "rk3036-audio", + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(rockchip_rk3036_of_match), + }, + .probe = rockchip_rk3036_audio_probe, + .remove = rockchip_rk3036_audio_remove, +}; +module_platform_driver(rockchip_rk3036_audio_driver); + +MODULE_AUTHOR("Rockchip Inc."); +MODULE_DESCRIPTION("Rockchip RK3036 Inno codec machine ASoC driver"); +MODULE_LICENSE("GPL");

From: ZhengShunQian zhengsq@rock-chips.com

This patch add binding document for RK3036 SoC audio machine driver.

Signed-off-by: ZhengShunQian zhengsq@rock-chips.com --- .../devicetree/bindings/sound/rockchip-rk3036.txt | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/rockchip-rk3036.txt

diff --git a/Documentation/devicetree/bindings/sound/rockchip-rk3036.txt b/Documentation/devicetree/bindings/sound/rockchip-rk3036.txt new file mode 100644 index 0000000..53d5738 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/rockchip-rk3036.txt @@ -0,0 +1,14 @@ +RK3036 SoC with Inno audio codec integrated + +Required properties: +- compatible: Should be "rockchip,rk3036-audio". +- rockchip,i2s-controller: The phandle of the Rockchip I2S controller. +- rockchip,audio-codec: The phandle of the Inno-rk3036 audio codec. + +Example: + + sound { + compatible = "rockchip,rk3036-audio"; + rockchip,i2s-controller = <&i2s>; + rockchip,audio-codec = <&acodec>; + };