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Diffstat (limited to 'sound/soc/codecs/inno_rk3036.c')
-rw-r--r--sound/soc/codecs/inno_rk3036.c488
1 files changed, 488 insertions, 0 deletions
diff --git a/sound/soc/codecs/inno_rk3036.c b/sound/soc/codecs/inno_rk3036.c
new file mode 100644
index 000000000..8222cde6e
--- /dev/null
+++ b/sound/soc/codecs/inno_rk3036.c
@@ -0,0 +1,488 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Driver of Inno codec for rk3036 by Rockchip Inc.
+ *
+ * Author: Rockchip Inc.
+ * Author: Zheng ShunQian<zhengsq@rock-chips.com>
+ */
+
+#include <sound/soc.h>
+#include <sound/tlv.h>
+#include <sound/soc-dapm.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/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 const DECLARE_TLV_DB_MINMAX(rk3036_codec_hp_tlv, -39, 0);
+
+static int rk3036_codec_antipop_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ uinfo->count = 2;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 1;
+
+ return 0;
+}
+
+static int rk3036_codec_antipop_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+ int val, regval;
+
+ regval = snd_soc_component_read(component, INNO_R09);
+ val = ((regval >> INNO_R09_HPL_ANITPOP_SHIFT) &
+ INNO_R09_HP_ANTIPOP_MSK) == INNO_R09_HP_ANTIPOP_ON;
+ ucontrol->value.integer.value[0] = val;
+
+ val = ((regval >> INNO_R09_HPR_ANITPOP_SHIFT) &
+ INNO_R09_HP_ANTIPOP_MSK) == INNO_R09_HP_ANTIPOP_ON;
+ ucontrol->value.integer.value[1] = val;
+
+ return 0;
+}
+
+static int rk3036_codec_antipop_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+ int val, ret, regmsk;
+
+ val = (ucontrol->value.integer.value[0] ?
+ INNO_R09_HP_ANTIPOP_ON : INNO_R09_HP_ANTIPOP_OFF) <<
+ INNO_R09_HPL_ANITPOP_SHIFT;
+ val |= (ucontrol->value.integer.value[1] ?
+ INNO_R09_HP_ANTIPOP_ON : INNO_R09_HP_ANTIPOP_OFF) <<
+ INNO_R09_HPR_ANITPOP_SHIFT;
+
+ regmsk = INNO_R09_HP_ANTIPOP_MSK << INNO_R09_HPL_ANITPOP_SHIFT |
+ INNO_R09_HP_ANTIPOP_MSK << INNO_R09_HPR_ANITPOP_SHIFT;
+
+ ret = snd_soc_component_update_bits(component, INNO_R09,
+ regmsk, val);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+#define SOC_RK3036_CODEC_ANTIPOP_DECL(xname) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .info = rk3036_codec_antipop_info, .get = rk3036_codec_antipop_get, \
+ .put = rk3036_codec_antipop_put, }
+
+static const struct snd_kcontrol_new rk3036_codec_dapm_controls[] = {
+ SOC_DOUBLE_R_RANGE_TLV("Headphone Volume", INNO_R07, INNO_R08,
+ INNO_HP_GAIN_SHIFT, INNO_HP_GAIN_N39DB,
+ INNO_HP_GAIN_0DB, 0, rk3036_codec_hp_tlv),
+ SOC_DOUBLE("Zero Cross Switch", INNO_R06, INNO_R06_VOUTL_CZ_SHIFT,
+ INNO_R06_VOUTR_CZ_SHIFT, 1, 0),
+ SOC_DOUBLE("Headphone Switch", INNO_R09, INNO_R09_HPL_MUTE_SHIFT,
+ INNO_R09_HPR_MUTE_SHIFT, 1, 0),
+ SOC_RK3036_CODEC_ANTIPOP_DECL("Anti-pop Switch"),
+};
+
+static const struct snd_kcontrol_new rk3036_codec_hpl_mixer_controls[] = {
+ SOC_DAPM_SINGLE("DAC Left Out Switch", INNO_R09,
+ INNO_R09_DACL_SWITCH_SHIFT, 1, 0),
+};
+
+static const struct snd_kcontrol_new rk3036_codec_hpr_mixer_controls[] = {
+ SOC_DAPM_SINGLE("DAC Right Out Switch", INNO_R09,
+ INNO_R09_DACR_SWITCH_SHIFT, 1, 0),
+};
+
+static const struct snd_kcontrol_new rk3036_codec_hpl_switch_controls[] = {
+ SOC_DAPM_SINGLE("HP Left Out Switch", INNO_R05,
+ INNO_R05_HPL_WORK_SHIFT, 1, 0),
+};
+
+static const struct snd_kcontrol_new rk3036_codec_hpr_switch_controls[] = {
+ SOC_DAPM_SINGLE("HP Right Out Switch", INNO_R05,
+ INNO_R05_HPR_WORK_SHIFT, 1, 0),
+};
+
+static const struct snd_soc_dapm_widget rk3036_codec_dapm_widgets[] = {
+ SND_SOC_DAPM_SUPPLY_S("DAC PWR", 1, INNO_R06,
+ INNO_R06_DAC_EN_SHIFT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY_S("DACL VREF", 2, INNO_R04,
+ INNO_R04_DACL_VREF_SHIFT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY_S("DACR VREF", 2, INNO_R04,
+ INNO_R04_DACR_VREF_SHIFT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY_S("DACL HiLo VREF", 3, INNO_R06,
+ INNO_R06_DACL_HILO_VREF_SHIFT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY_S("DACR HiLo VREF", 3, INNO_R06,
+ INNO_R06_DACR_HILO_VREF_SHIFT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY_S("DACR CLK", 3, INNO_R04,
+ INNO_R04_DACR_CLK_SHIFT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY_S("DACL CLK", 3, INNO_R04,
+ INNO_R04_DACL_CLK_SHIFT, 0, NULL, 0),
+
+ SND_SOC_DAPM_DAC("DACL", "Left Playback", INNO_R04,
+ INNO_R04_DACL_SW_SHIFT, 0),
+ SND_SOC_DAPM_DAC("DACR", "Right Playback", INNO_R04,
+ INNO_R04_DACR_SW_SHIFT, 0),
+
+ SND_SOC_DAPM_MIXER("Left Headphone Mixer", SND_SOC_NOPM, 0, 0,
+ rk3036_codec_hpl_mixer_controls,
+ ARRAY_SIZE(rk3036_codec_hpl_mixer_controls)),
+ SND_SOC_DAPM_MIXER("Right Headphone Mixer", SND_SOC_NOPM, 0, 0,
+ rk3036_codec_hpr_mixer_controls,
+ ARRAY_SIZE(rk3036_codec_hpr_mixer_controls)),
+
+ SND_SOC_DAPM_PGA("HP Left Out", INNO_R05,
+ INNO_R05_HPL_EN_SHIFT, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("HP Right Out", INNO_R05,
+ INNO_R05_HPR_EN_SHIFT, 0, NULL, 0),
+
+ SND_SOC_DAPM_MIXER("HP Left Switch", SND_SOC_NOPM, 0, 0,
+ rk3036_codec_hpl_switch_controls,
+ ARRAY_SIZE(rk3036_codec_hpl_switch_controls)),
+ SND_SOC_DAPM_MIXER("HP Right Switch", SND_SOC_NOPM, 0, 0,
+ rk3036_codec_hpr_switch_controls,
+ ARRAY_SIZE(rk3036_codec_hpr_switch_controls)),
+
+ SND_SOC_DAPM_OUTPUT("HPL"),
+ SND_SOC_DAPM_OUTPUT("HPR"),
+};
+
+static const struct snd_soc_dapm_route rk3036_codec_dapm_routes[] = {
+ {"DACL VREF", NULL, "DAC PWR"},
+ {"DACR VREF", NULL, "DAC PWR"},
+ {"DACL HiLo VREF", NULL, "DAC PWR"},
+ {"DACR HiLo VREF", NULL, "DAC PWR"},
+ {"DACL CLK", NULL, "DAC PWR"},
+ {"DACR CLK", NULL, "DAC PWR"},
+
+ {"DACL", NULL, "DACL VREF"},
+ {"DACL", NULL, "DACL HiLo VREF"},
+ {"DACL", NULL, "DACL CLK"},
+ {"DACR", NULL, "DACR VREF"},
+ {"DACR", NULL, "DACR HiLo VREF"},
+ {"DACR", NULL, "DACR CLK"},
+
+ {"Left Headphone Mixer", "DAC Left Out Switch", "DACL"},
+ {"Right Headphone Mixer", "DAC Right Out Switch", "DACR"},
+ {"HP Left Out", NULL, "Left Headphone Mixer"},
+ {"HP Right Out", NULL, "Right Headphone Mixer"},
+
+ {"HP Left Switch", "HP Left Out Switch", "HP Left Out"},
+ {"HP Right Switch", "HP Right Out Switch", "HP Right Out"},
+
+ {"HPL", NULL, "HP Left Switch"},
+ {"HPR", NULL, "HP Right Switch"},
+};
+
+static int rk3036_codec_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+ struct snd_soc_component *component = dai->component;
+ unsigned int reg01_val = 0, reg02_val = 0, reg03_val = 0;
+
+ dev_dbg(component->dev, "rk3036_codec dai set fmt : %08x\n", fmt);
+
+ switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
+ case SND_SOC_DAIFMT_CBC_CFC:
+ reg01_val |= INNO_R01_PINDIR_IN_SLAVE |
+ INNO_R01_I2SMODE_SLAVE;
+ break;
+ case SND_SOC_DAIFMT_CBP_CFP:
+ reg01_val |= INNO_R01_PINDIR_OUT_MASTER |
+ INNO_R01_I2SMODE_MASTER;
+ break;
+ default:
+ dev_err(component->dev, "invalid fmt\n");
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_DSP_A:
+ reg02_val |= INNO_R02_DACM_PCM;
+ break;
+ case SND_SOC_DAIFMT_I2S:
+ reg02_val |= INNO_R02_DACM_I2S;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ reg02_val |= INNO_R02_DACM_RJM;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ reg02_val |= INNO_R02_DACM_LJM;
+ break;
+ default:
+ dev_err(component->dev, "set dai format failed\n");
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ reg02_val |= INNO_R02_LRCP_NORMAL;
+ reg03_val |= INNO_R03_BCP_NORMAL;
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ reg02_val |= INNO_R02_LRCP_REVERSAL;
+ reg03_val |= INNO_R03_BCP_REVERSAL;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ reg02_val |= INNO_R02_LRCP_REVERSAL;
+ reg03_val |= INNO_R03_BCP_NORMAL;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ reg02_val |= INNO_R02_LRCP_NORMAL;
+ reg03_val |= INNO_R03_BCP_REVERSAL;
+ break;
+ default:
+ dev_err(component->dev, "set dai format failed\n");
+ return -EINVAL;
+ }
+
+ snd_soc_component_update_bits(component, INNO_R01, INNO_R01_I2SMODE_MSK |
+ INNO_R01_PINDIR_MSK, reg01_val);
+ snd_soc_component_update_bits(component, INNO_R02, INNO_R02_LRCP_MSK |
+ INNO_R02_DACM_MSK, reg02_val);
+ snd_soc_component_update_bits(component, INNO_R03, INNO_R03_BCP_MSK, reg03_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_component *component = dai->component;
+ unsigned int reg02_val = 0, reg03_val = 0;
+
+ switch (params_format(hw_params)) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ reg02_val |= INNO_R02_VWL_16BIT;
+ break;
+ case SNDRV_PCM_FORMAT_S20_3LE:
+ reg02_val |= INNO_R02_VWL_20BIT;
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ reg02_val |= INNO_R02_VWL_24BIT;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ reg02_val |= INNO_R02_VWL_32BIT;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ reg02_val |= INNO_R02_LRCP_NORMAL;
+ reg03_val |= INNO_R03_FWL_32BIT | INNO_R03_DACR_WORK;
+
+ snd_soc_component_update_bits(component, INNO_R02, INNO_R02_LRCP_MSK |
+ INNO_R02_VWL_MSK, reg02_val);
+ snd_soc_component_update_bits(component, INNO_R03, INNO_R03_DACR_MSK |
+ INNO_R03_FWL_MSK, 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)
+
+static const struct snd_soc_dai_ops rk3036_codec_dai_ops = {
+ .set_fmt = rk3036_codec_dai_set_fmt,
+ .hw_params = rk3036_codec_dai_hw_params,
+};
+
+static 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_rate = 1,
+ },
+};
+
+static void rk3036_codec_reset(struct snd_soc_component *component)
+{
+ snd_soc_component_write(component, INNO_R00,
+ INNO_R00_CSR_RESET | INNO_R00_CDCR_RESET);
+ snd_soc_component_write(component, INNO_R00,
+ INNO_R00_CSR_WORK | INNO_R00_CDCR_WORK);
+}
+
+static int rk3036_codec_probe(struct snd_soc_component *component)
+{
+ rk3036_codec_reset(component);
+ return 0;
+}
+
+static void rk3036_codec_remove(struct snd_soc_component *component)
+{
+ rk3036_codec_reset(component);
+}
+
+static int rk3036_codec_set_bias_level(struct snd_soc_component *component,
+ enum snd_soc_bias_level level)
+{
+ switch (level) {
+ case SND_SOC_BIAS_STANDBY:
+ /* set a big current for capacitor charging. */
+ snd_soc_component_write(component, INNO_R10, INNO_R10_MAX_CUR);
+ /* start precharge */
+ snd_soc_component_write(component, INNO_R06, INNO_R06_DAC_PRECHARGE);
+
+ break;
+
+ case SND_SOC_BIAS_OFF:
+ /* set a big current for capacitor discharging. */
+ snd_soc_component_write(component, INNO_R10, INNO_R10_MAX_CUR);
+ /* start discharge. */
+ snd_soc_component_write(component, INNO_R06, INNO_R06_DAC_DISCHARGE);
+
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static const struct snd_soc_component_driver rk3036_codec_driver = {
+ .probe = rk3036_codec_probe,
+ .remove = rk3036_codec_remove,
+ .set_bias_level = rk3036_codec_set_bias_level,
+ .controls = rk3036_codec_dapm_controls,
+ .num_controls = ARRAY_SIZE(rk3036_codec_dapm_controls),
+ .dapm_routes = rk3036_codec_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(rk3036_codec_dapm_routes),
+ .dapm_widgets = rk3036_codec_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(rk3036_codec_dapm_widgets),
+ .idle_bias_on = 1,
+ .use_pmdown_time = 1,
+ .endianness = 1,
+};
+
+static const struct regmap_config rk3036_codec_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+};
+
+#define GRF_SOC_CON0 0x00140
+#define GRF_ACODEC_SEL (BIT(10) | BIT(16 + 10))
+
+static int rk3036_codec_platform_probe(struct platform_device *pdev)
+{
+ struct rk3036_codec_priv *priv;
+ struct device_node *of_node = pdev->dev.of_node;
+ void __iomem *base;
+ struct regmap *grf;
+ int ret;
+
+ priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
+
+ priv->base = base;
+ priv->regmap = devm_regmap_init_mmio(&pdev->dev, priv->base,
+ &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, GRF_SOC_CON0, GRF_ACODEC_SEL);
+ if (ret) {
+ 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 = devm_snd_soc_register_component(&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);
+
+ clk_disable_unprepare(priv->pclk);
+
+ return 0;
+}
+
+static const struct of_device_id rk3036_codec_of_match[] __maybe_unused = {
+ { .compatible = "rockchip,rk3036-codec", },
+ {}
+};
+MODULE_DEVICE_TABLE(of, rk3036_codec_of_match);
+
+static struct platform_driver rk3036_codec_platform_driver = {
+ .driver = {
+ .name = "rk3036-codec-platform",
+ .of_match_table = of_match_ptr(rk3036_codec_of_match),
+ },
+ .probe = rk3036_codec_platform_probe,
+ .remove = rk3036_codec_platform_remove,
+};
+
+module_platform_driver(rk3036_codec_platform_driver);
+
+MODULE_AUTHOR("Rockchip Inc.");
+MODULE_DESCRIPTION("Rockchip rk3036 codec driver");
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 20:57:33 +0000