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489 lines
14 KiB
489 lines
14 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Driver of Inno codec for rk3036 by Rockchip Inc. |
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* |
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* Author: Rockchip Inc. |
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* Author: Zheng ShunQian<[email protected]> |
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*/ |
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#include <sound/soc.h> |
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#include <sound/tlv.h> |
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#include <sound/soc-dapm.h> |
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#include <sound/soc-dai.h> |
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#include <sound/pcm.h> |
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#include <sound/pcm_params.h> |
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#include <linux/platform_device.h> |
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#include <linux/of.h> |
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#include <linux/clk.h> |
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#include <linux/regmap.h> |
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#include <linux/device.h> |
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#include <linux/mfd/syscon.h> |
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#include <linux/module.h> |
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#include <linux/io.h> |
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#include "inno_rk3036.h" |
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struct rk3036_codec_priv { |
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void __iomem *base; |
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struct clk *pclk; |
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struct regmap *regmap; |
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struct device *dev; |
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}; |
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static const DECLARE_TLV_DB_MINMAX(rk3036_codec_hp_tlv, -39, 0); |
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static int rk3036_codec_antipop_info(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_info *uinfo) |
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{ |
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uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
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uinfo->count = 2; |
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uinfo->value.integer.min = 0; |
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uinfo->value.integer.max = 1; |
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return 0; |
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} |
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static int rk3036_codec_antipop_get(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_value *ucontrol) |
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{ |
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struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
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int val, regval; |
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regval = snd_soc_component_read(component, INNO_R09); |
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val = ((regval >> INNO_R09_HPL_ANITPOP_SHIFT) & |
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INNO_R09_HP_ANTIPOP_MSK) == INNO_R09_HP_ANTIPOP_ON; |
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ucontrol->value.integer.value[0] = val; |
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val = ((regval >> INNO_R09_HPR_ANITPOP_SHIFT) & |
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INNO_R09_HP_ANTIPOP_MSK) == INNO_R09_HP_ANTIPOP_ON; |
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ucontrol->value.integer.value[1] = val; |
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return 0; |
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} |
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static int rk3036_codec_antipop_put(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_value *ucontrol) |
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{ |
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struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
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int val, ret, regmsk; |
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val = (ucontrol->value.integer.value[0] ? |
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INNO_R09_HP_ANTIPOP_ON : INNO_R09_HP_ANTIPOP_OFF) << |
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INNO_R09_HPL_ANITPOP_SHIFT; |
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val |= (ucontrol->value.integer.value[1] ? |
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INNO_R09_HP_ANTIPOP_ON : INNO_R09_HP_ANTIPOP_OFF) << |
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INNO_R09_HPR_ANITPOP_SHIFT; |
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regmsk = INNO_R09_HP_ANTIPOP_MSK << INNO_R09_HPL_ANITPOP_SHIFT | |
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INNO_R09_HP_ANTIPOP_MSK << INNO_R09_HPR_ANITPOP_SHIFT; |
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ret = snd_soc_component_update_bits(component, INNO_R09, |
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regmsk, val); |
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if (ret < 0) |
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return ret; |
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return 0; |
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} |
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#define SOC_RK3036_CODEC_ANTIPOP_DECL(xname) \ |
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
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.info = rk3036_codec_antipop_info, .get = rk3036_codec_antipop_get, \ |
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.put = rk3036_codec_antipop_put, } |
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static const struct snd_kcontrol_new rk3036_codec_dapm_controls[] = { |
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SOC_DOUBLE_R_RANGE_TLV("Headphone Volume", INNO_R07, INNO_R08, |
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INNO_HP_GAIN_SHIFT, INNO_HP_GAIN_N39DB, |
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INNO_HP_GAIN_0DB, 0, rk3036_codec_hp_tlv), |
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SOC_DOUBLE("Zero Cross Switch", INNO_R06, INNO_R06_VOUTL_CZ_SHIFT, |
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INNO_R06_VOUTR_CZ_SHIFT, 1, 0), |
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SOC_DOUBLE("Headphone Switch", INNO_R09, INNO_R09_HPL_MUTE_SHIFT, |
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INNO_R09_HPR_MUTE_SHIFT, 1, 0), |
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SOC_RK3036_CODEC_ANTIPOP_DECL("Anti-pop Switch"), |
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}; |
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static const struct snd_kcontrol_new rk3036_codec_hpl_mixer_controls[] = { |
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SOC_DAPM_SINGLE("DAC Left Out Switch", INNO_R09, |
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INNO_R09_DACL_SWITCH_SHIFT, 1, 0), |
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}; |
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static const struct snd_kcontrol_new rk3036_codec_hpr_mixer_controls[] = { |
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SOC_DAPM_SINGLE("DAC Right Out Switch", INNO_R09, |
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INNO_R09_DACR_SWITCH_SHIFT, 1, 0), |
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}; |
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static const struct snd_kcontrol_new rk3036_codec_hpl_switch_controls[] = { |
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SOC_DAPM_SINGLE("HP Left Out Switch", INNO_R05, |
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INNO_R05_HPL_WORK_SHIFT, 1, 0), |
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}; |
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static const struct snd_kcontrol_new rk3036_codec_hpr_switch_controls[] = { |
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SOC_DAPM_SINGLE("HP Right Out Switch", INNO_R05, |
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INNO_R05_HPR_WORK_SHIFT, 1, 0), |
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}; |
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static const struct snd_soc_dapm_widget rk3036_codec_dapm_widgets[] = { |
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SND_SOC_DAPM_SUPPLY_S("DAC PWR", 1, INNO_R06, |
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INNO_R06_DAC_EN_SHIFT, 0, NULL, 0), |
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SND_SOC_DAPM_SUPPLY_S("DACL VREF", 2, INNO_R04, |
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INNO_R04_DACL_VREF_SHIFT, 0, NULL, 0), |
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SND_SOC_DAPM_SUPPLY_S("DACR VREF", 2, INNO_R04, |
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INNO_R04_DACR_VREF_SHIFT, 0, NULL, 0), |
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SND_SOC_DAPM_SUPPLY_S("DACL HiLo VREF", 3, INNO_R06, |
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INNO_R06_DACL_HILO_VREF_SHIFT, 0, NULL, 0), |
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SND_SOC_DAPM_SUPPLY_S("DACR HiLo VREF", 3, INNO_R06, |
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INNO_R06_DACR_HILO_VREF_SHIFT, 0, NULL, 0), |
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SND_SOC_DAPM_SUPPLY_S("DACR CLK", 3, INNO_R04, |
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INNO_R04_DACR_CLK_SHIFT, 0, NULL, 0), |
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SND_SOC_DAPM_SUPPLY_S("DACL CLK", 3, INNO_R04, |
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INNO_R04_DACL_CLK_SHIFT, 0, NULL, 0), |
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SND_SOC_DAPM_DAC("DACL", "Left Playback", INNO_R04, |
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INNO_R04_DACL_SW_SHIFT, 0), |
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SND_SOC_DAPM_DAC("DACR", "Right Playback", INNO_R04, |
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INNO_R04_DACR_SW_SHIFT, 0), |
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SND_SOC_DAPM_MIXER("Left Headphone Mixer", SND_SOC_NOPM, 0, 0, |
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rk3036_codec_hpl_mixer_controls, |
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ARRAY_SIZE(rk3036_codec_hpl_mixer_controls)), |
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SND_SOC_DAPM_MIXER("Right Headphone Mixer", SND_SOC_NOPM, 0, 0, |
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rk3036_codec_hpr_mixer_controls, |
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ARRAY_SIZE(rk3036_codec_hpr_mixer_controls)), |
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SND_SOC_DAPM_PGA("HP Left Out", INNO_R05, |
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INNO_R05_HPL_EN_SHIFT, 0, NULL, 0), |
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SND_SOC_DAPM_PGA("HP Right Out", INNO_R05, |
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INNO_R05_HPR_EN_SHIFT, 0, NULL, 0), |
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SND_SOC_DAPM_MIXER("HP Left Switch", SND_SOC_NOPM, 0, 0, |
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rk3036_codec_hpl_switch_controls, |
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ARRAY_SIZE(rk3036_codec_hpl_switch_controls)), |
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SND_SOC_DAPM_MIXER("HP Right Switch", SND_SOC_NOPM, 0, 0, |
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rk3036_codec_hpr_switch_controls, |
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ARRAY_SIZE(rk3036_codec_hpr_switch_controls)), |
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SND_SOC_DAPM_OUTPUT("HPL"), |
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SND_SOC_DAPM_OUTPUT("HPR"), |
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}; |
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static const struct snd_soc_dapm_route rk3036_codec_dapm_routes[] = { |
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{"DACL VREF", NULL, "DAC PWR"}, |
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{"DACR VREF", NULL, "DAC PWR"}, |
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{"DACL HiLo VREF", NULL, "DAC PWR"}, |
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{"DACR HiLo VREF", NULL, "DAC PWR"}, |
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{"DACL CLK", NULL, "DAC PWR"}, |
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{"DACR CLK", NULL, "DAC PWR"}, |
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{"DACL", NULL, "DACL VREF"}, |
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{"DACL", NULL, "DACL HiLo VREF"}, |
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{"DACL", NULL, "DACL CLK"}, |
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{"DACR", NULL, "DACR VREF"}, |
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{"DACR", NULL, "DACR HiLo VREF"}, |
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{"DACR", NULL, "DACR CLK"}, |
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{"Left Headphone Mixer", "DAC Left Out Switch", "DACL"}, |
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{"Right Headphone Mixer", "DAC Right Out Switch", "DACR"}, |
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{"HP Left Out", NULL, "Left Headphone Mixer"}, |
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{"HP Right Out", NULL, "Right Headphone Mixer"}, |
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{"HP Left Switch", "HP Left Out Switch", "HP Left Out"}, |
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{"HP Right Switch", "HP Right Out Switch", "HP Right Out"}, |
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{"HPL", NULL, "HP Left Switch"}, |
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{"HPR", NULL, "HP Right Switch"}, |
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}; |
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static int rk3036_codec_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) |
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{ |
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struct snd_soc_component *component = dai->component; |
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unsigned int reg01_val = 0, reg02_val = 0, reg03_val = 0; |
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dev_dbg(component->dev, "rk3036_codec dai set fmt : %08x\n", fmt); |
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switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { |
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case SND_SOC_DAIFMT_CBS_CFS: |
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reg01_val |= INNO_R01_PINDIR_IN_SLAVE | |
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INNO_R01_I2SMODE_SLAVE; |
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break; |
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case SND_SOC_DAIFMT_CBM_CFM: |
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reg01_val |= INNO_R01_PINDIR_OUT_MASTER | |
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INNO_R01_I2SMODE_MASTER; |
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break; |
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default: |
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dev_err(component->dev, "invalid fmt\n"); |
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return -EINVAL; |
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} |
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switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
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case SND_SOC_DAIFMT_DSP_A: |
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reg02_val |= INNO_R02_DACM_PCM; |
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break; |
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case SND_SOC_DAIFMT_I2S: |
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reg02_val |= INNO_R02_DACM_I2S; |
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break; |
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case SND_SOC_DAIFMT_RIGHT_J: |
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reg02_val |= INNO_R02_DACM_RJM; |
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break; |
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case SND_SOC_DAIFMT_LEFT_J: |
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reg02_val |= INNO_R02_DACM_LJM; |
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break; |
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default: |
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dev_err(component->dev, "set dai format failed\n"); |
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return -EINVAL; |
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} |
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switch (fmt & SND_SOC_DAIFMT_INV_MASK) { |
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case SND_SOC_DAIFMT_NB_NF: |
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reg02_val |= INNO_R02_LRCP_NORMAL; |
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reg03_val |= INNO_R03_BCP_NORMAL; |
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break; |
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case SND_SOC_DAIFMT_IB_IF: |
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reg02_val |= INNO_R02_LRCP_REVERSAL; |
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reg03_val |= INNO_R03_BCP_REVERSAL; |
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break; |
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case SND_SOC_DAIFMT_IB_NF: |
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reg02_val |= INNO_R02_LRCP_REVERSAL; |
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reg03_val |= INNO_R03_BCP_NORMAL; |
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break; |
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case SND_SOC_DAIFMT_NB_IF: |
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reg02_val |= INNO_R02_LRCP_NORMAL; |
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reg03_val |= INNO_R03_BCP_REVERSAL; |
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break; |
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default: |
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dev_err(component->dev, "set dai format failed\n"); |
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return -EINVAL; |
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} |
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snd_soc_component_update_bits(component, INNO_R01, INNO_R01_I2SMODE_MSK | |
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INNO_R01_PINDIR_MSK, reg01_val); |
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snd_soc_component_update_bits(component, INNO_R02, INNO_R02_LRCP_MSK | |
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INNO_R02_DACM_MSK, reg02_val); |
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snd_soc_component_update_bits(component, INNO_R03, INNO_R03_BCP_MSK, reg03_val); |
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return 0; |
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} |
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static int rk3036_codec_dai_hw_params(struct snd_pcm_substream *substream, |
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struct snd_pcm_hw_params *hw_params, |
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struct snd_soc_dai *dai) |
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{ |
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struct snd_soc_component *component = dai->component; |
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unsigned int reg02_val = 0, reg03_val = 0; |
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switch (params_format(hw_params)) { |
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case SNDRV_PCM_FORMAT_S16_LE: |
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reg02_val |= INNO_R02_VWL_16BIT; |
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break; |
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case SNDRV_PCM_FORMAT_S20_3LE: |
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reg02_val |= INNO_R02_VWL_20BIT; |
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break; |
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case SNDRV_PCM_FORMAT_S24_LE: |
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reg02_val |= INNO_R02_VWL_24BIT; |
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break; |
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case SNDRV_PCM_FORMAT_S32_LE: |
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reg02_val |= INNO_R02_VWL_32BIT; |
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break; |
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default: |
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return -EINVAL; |
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} |
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reg02_val |= INNO_R02_LRCP_NORMAL; |
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reg03_val |= INNO_R03_FWL_32BIT | INNO_R03_DACR_WORK; |
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snd_soc_component_update_bits(component, INNO_R02, INNO_R02_LRCP_MSK | |
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INNO_R02_VWL_MSK, reg02_val); |
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snd_soc_component_update_bits(component, INNO_R03, INNO_R03_DACR_MSK | |
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INNO_R03_FWL_MSK, reg03_val); |
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return 0; |
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} |
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#define RK3036_CODEC_RATES (SNDRV_PCM_RATE_8000 | \ |
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SNDRV_PCM_RATE_16000 | \ |
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SNDRV_PCM_RATE_32000 | \ |
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SNDRV_PCM_RATE_44100 | \ |
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SNDRV_PCM_RATE_48000 | \ |
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SNDRV_PCM_RATE_96000) |
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#define RK3036_CODEC_FMTS (SNDRV_PCM_FMTBIT_S16_LE | \ |
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SNDRV_PCM_FMTBIT_S20_3LE | \ |
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SNDRV_PCM_FMTBIT_S24_LE | \ |
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SNDRV_PCM_FMTBIT_S32_LE) |
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static const struct snd_soc_dai_ops rk3036_codec_dai_ops = { |
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.set_fmt = rk3036_codec_dai_set_fmt, |
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.hw_params = rk3036_codec_dai_hw_params, |
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}; |
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static struct snd_soc_dai_driver rk3036_codec_dai_driver[] = { |
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{ |
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.name = "rk3036-codec-dai", |
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.playback = { |
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.stream_name = "Playback", |
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.channels_min = 1, |
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.channels_max = 2, |
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.rates = RK3036_CODEC_RATES, |
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.formats = RK3036_CODEC_FMTS, |
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}, |
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.ops = &rk3036_codec_dai_ops, |
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.symmetric_rate = 1, |
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}, |
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}; |
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static void rk3036_codec_reset(struct snd_soc_component *component) |
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{ |
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snd_soc_component_write(component, INNO_R00, |
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INNO_R00_CSR_RESET | INNO_R00_CDCR_RESET); |
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snd_soc_component_write(component, INNO_R00, |
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INNO_R00_CSR_WORK | INNO_R00_CDCR_WORK); |
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} |
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static int rk3036_codec_probe(struct snd_soc_component *component) |
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{ |
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rk3036_codec_reset(component); |
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return 0; |
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} |
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static void rk3036_codec_remove(struct snd_soc_component *component) |
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{ |
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rk3036_codec_reset(component); |
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} |
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static int rk3036_codec_set_bias_level(struct snd_soc_component *component, |
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enum snd_soc_bias_level level) |
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{ |
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switch (level) { |
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case SND_SOC_BIAS_STANDBY: |
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/* set a big current for capacitor charging. */ |
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snd_soc_component_write(component, INNO_R10, INNO_R10_MAX_CUR); |
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/* start precharge */ |
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snd_soc_component_write(component, INNO_R06, INNO_R06_DAC_PRECHARGE); |
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break; |
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case SND_SOC_BIAS_OFF: |
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/* set a big current for capacitor discharging. */ |
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snd_soc_component_write(component, INNO_R10, INNO_R10_MAX_CUR); |
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/* start discharge. */ |
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snd_soc_component_write(component, INNO_R06, INNO_R06_DAC_DISCHARGE); |
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break; |
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default: |
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break; |
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} |
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return 0; |
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} |
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static const struct snd_soc_component_driver rk3036_codec_driver = { |
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.probe = rk3036_codec_probe, |
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.remove = rk3036_codec_remove, |
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.set_bias_level = rk3036_codec_set_bias_level, |
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.controls = rk3036_codec_dapm_controls, |
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.num_controls = ARRAY_SIZE(rk3036_codec_dapm_controls), |
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.dapm_routes = rk3036_codec_dapm_routes, |
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.num_dapm_routes = ARRAY_SIZE(rk3036_codec_dapm_routes), |
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.dapm_widgets = rk3036_codec_dapm_widgets, |
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.num_dapm_widgets = ARRAY_SIZE(rk3036_codec_dapm_widgets), |
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.idle_bias_on = 1, |
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.use_pmdown_time = 1, |
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.endianness = 1, |
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.non_legacy_dai_naming = 1, |
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}; |
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static const struct regmap_config rk3036_codec_regmap_config = { |
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.reg_bits = 32, |
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.reg_stride = 4, |
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.val_bits = 32, |
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}; |
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#define GRF_SOC_CON0 0x00140 |
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#define GRF_ACODEC_SEL (BIT(10) | BIT(16 + 10)) |
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static int rk3036_codec_platform_probe(struct platform_device *pdev) |
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{ |
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struct rk3036_codec_priv *priv; |
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struct device_node *of_node = pdev->dev.of_node; |
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void __iomem *base; |
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struct regmap *grf; |
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int ret; |
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priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); |
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if (!priv) |
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return -ENOMEM; |
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base = devm_platform_ioremap_resource(pdev, 0); |
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if (IS_ERR(base)) |
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return PTR_ERR(base); |
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priv->base = base; |
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priv->regmap = devm_regmap_init_mmio(&pdev->dev, priv->base, |
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&rk3036_codec_regmap_config); |
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if (IS_ERR(priv->regmap)) { |
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dev_err(&pdev->dev, "init regmap failed\n"); |
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return PTR_ERR(priv->regmap); |
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} |
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grf = syscon_regmap_lookup_by_phandle(of_node, "rockchip,grf"); |
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if (IS_ERR(grf)) { |
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dev_err(&pdev->dev, "needs 'rockchip,grf' property\n"); |
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return PTR_ERR(grf); |
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} |
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ret = regmap_write(grf, GRF_SOC_CON0, GRF_ACODEC_SEL); |
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if (ret) { |
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dev_err(&pdev->dev, "Could not write to GRF: %d\n", ret); |
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return ret; |
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} |
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priv->pclk = devm_clk_get(&pdev->dev, "acodec_pclk"); |
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if (IS_ERR(priv->pclk)) |
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return PTR_ERR(priv->pclk); |
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ret = clk_prepare_enable(priv->pclk); |
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if (ret < 0) { |
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dev_err(&pdev->dev, "failed to enable clk\n"); |
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return ret; |
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} |
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priv->dev = &pdev->dev; |
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dev_set_drvdata(&pdev->dev, priv); |
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ret = devm_snd_soc_register_component(&pdev->dev, &rk3036_codec_driver, |
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rk3036_codec_dai_driver, |
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ARRAY_SIZE(rk3036_codec_dai_driver)); |
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if (ret) { |
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clk_disable_unprepare(priv->pclk); |
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dev_set_drvdata(&pdev->dev, NULL); |
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} |
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return ret; |
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} |
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static int rk3036_codec_platform_remove(struct platform_device *pdev) |
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{ |
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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");
|
|
|