diff options
Diffstat (limited to '')
| -rw-r--r-- | sound/soc/codecs/rt1305.c | 1184 |
1 files changed, 1184 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt1305.c b/sound/soc/codecs/rt1305.c new file mode 100644 index 000000000..c4452efc7 --- /dev/null +++ b/sound/soc/codecs/rt1305.c @@ -0,0 +1,1184 @@ +/* + * rt1305.c -- RT1305 ALSA SoC amplifier component driver + * + * Copyright 2018 Realtek Semiconductor Corp. + * Author: Shuming Fan <shumingf@realtek.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/pm.h> +#include <linux/acpi.h> +#include <linux/gpio.h> +#include <linux/i2c.h> +#include <linux/regmap.h> +#include <linux/of_gpio.h> +#include <linux/platform_device.h> +#include <linux/firmware.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/soc-dapm.h> +#include <sound/initval.h> +#include <sound/tlv.h> + +#include "rl6231.h" +#include "rt1305.h" + + +#define RT1305_PR_RANGE_BASE (0xff + 1) +#define RT1305_PR_SPACING 0x100 + +#define RT1305_PR_BASE (RT1305_PR_RANGE_BASE + (0 * RT1305_PR_SPACING)) + + +static const struct regmap_range_cfg rt1305_ranges[] = { + { + .name = "PR", + .range_min = RT1305_PR_BASE, + .range_max = RT1305_PR_BASE + 0xff, + .selector_reg = RT1305_PRIV_INDEX, + .selector_mask = 0xff, + .selector_shift = 0x0, + .window_start = RT1305_PRIV_DATA, + .window_len = 0x1, + }, +}; + + +static const struct reg_sequence init_list[] = { + + { RT1305_PR_BASE + 0xcf, 0x5548 }, + { RT1305_PR_BASE + 0x5d, 0x0442 }, + { RT1305_PR_BASE + 0xc1, 0x0320 }, + + { RT1305_POWER_STATUS, 0x0000 }, + + { RT1305_SPK_TEMP_PROTECTION_1, 0xd6de }, + { RT1305_SPK_TEMP_PROTECTION_2, 0x0707 }, + { RT1305_SPK_TEMP_PROTECTION_3, 0x4090 }, + + { RT1305_DAC_SET_1, 0xdfdf }, /* 4 ohm 2W */ + { RT1305_ADC_SET_3, 0x0219 }, + { RT1305_ADC_SET_1, 0x170f }, /* 0.2 ohm RSense*/ + +}; +#define RT1305_INIT_REG_LEN ARRAY_SIZE(init_list) + +struct rt1305_priv { + struct snd_soc_component *component; + struct regmap *regmap; + + int sysclk; + int sysclk_src; + int lrck; + int bclk; + int master; + + int pll_src; + int pll_in; + int pll_out; +}; + +static const struct reg_default rt1305_reg[] = { + + { 0x04, 0x0400 }, + { 0x05, 0x0880 }, + { 0x06, 0x0000 }, + { 0x07, 0x3100 }, + { 0x08, 0x8000 }, + { 0x09, 0x0000 }, + { 0x0a, 0x087e }, + { 0x0b, 0x0020 }, + { 0x0c, 0x0802 }, + { 0x0d, 0x0020 }, + { 0x10, 0x1d1d }, + { 0x11, 0x1d1d }, + { 0x12, 0xffff }, + { 0x14, 0x000c }, + { 0x16, 0x1717 }, + { 0x17, 0x4000 }, + { 0x18, 0x0019 }, + { 0x20, 0x0000 }, + { 0x22, 0x0000 }, + { 0x24, 0x0000 }, + { 0x26, 0x0000 }, + { 0x28, 0x0000 }, + { 0x2a, 0x4000 }, + { 0x2b, 0x3000 }, + { 0x2d, 0x6000 }, + { 0x2e, 0x0000 }, + { 0x2f, 0x8000 }, + { 0x32, 0x0000 }, + { 0x39, 0x0001 }, + { 0x3a, 0x0000 }, + { 0x3b, 0x1020 }, + { 0x3c, 0x0000 }, + { 0x3d, 0x0000 }, + { 0x3e, 0x4c00 }, + { 0x3f, 0x3000 }, + { 0x40, 0x000c }, + { 0x42, 0x0400 }, + { 0x46, 0xc22c }, + { 0x47, 0x0000 }, + { 0x4b, 0x0000 }, + { 0x4c, 0x0300 }, + { 0x4f, 0xf000 }, + { 0x50, 0xc200 }, + { 0x51, 0x1f1f }, + { 0x52, 0x01f0 }, + { 0x53, 0x407f }, + { 0x54, 0xffff }, + { 0x58, 0x4005 }, + { 0x5e, 0x0000 }, + { 0x5f, 0x0000 }, + { 0x60, 0xee13 }, + { 0x62, 0x0000 }, + { 0x63, 0x5f5f }, + { 0x64, 0x0040 }, + { 0x65, 0x4000 }, + { 0x66, 0x4004 }, + { 0x67, 0x0306 }, + { 0x68, 0x8c04 }, + { 0x69, 0xe021 }, + { 0x6a, 0x0000 }, + { 0x6c, 0xaaaa }, + { 0x70, 0x0333 }, + { 0x71, 0x3330 }, + { 0x72, 0x3333 }, + { 0x73, 0x3300 }, + { 0x74, 0x0000 }, + { 0x75, 0x0000 }, + { 0x76, 0x0000 }, + { 0x7a, 0x0003 }, + { 0x7c, 0x10ec }, + { 0x7e, 0x6251 }, + { 0x80, 0x0800 }, + { 0x81, 0x4000 }, + { 0x82, 0x0000 }, + { 0x90, 0x7a01 }, + { 0x91, 0x8431 }, + { 0x92, 0x0180 }, + { 0x93, 0x0000 }, + { 0x94, 0x0000 }, + { 0x95, 0x0000 }, + { 0x96, 0x0000 }, + { 0x97, 0x0000 }, + { 0x98, 0x0000 }, + { 0x99, 0x0000 }, + { 0x9a, 0x0000 }, + { 0x9b, 0x0000 }, + { 0x9c, 0x0000 }, + { 0x9d, 0x0000 }, + { 0x9e, 0x0000 }, + { 0x9f, 0x0000 }, + { 0xa0, 0x0000 }, + { 0xb0, 0x8200 }, + { 0xb1, 0x00ff }, + { 0xb2, 0x0008 }, + { 0xc0, 0x0200 }, + { 0xc1, 0x0000 }, + { 0xc2, 0x0000 }, + { 0xc3, 0x0000 }, + { 0xc4, 0x0000 }, + { 0xc5, 0x0000 }, + { 0xc6, 0x0000 }, + { 0xc7, 0x0000 }, + { 0xc8, 0x0000 }, + { 0xc9, 0x0000 }, + { 0xca, 0x0200 }, + { 0xcb, 0x0000 }, + { 0xcc, 0x0000 }, + { 0xcd, 0x0000 }, + { 0xce, 0x0000 }, + { 0xcf, 0x0000 }, + { 0xd0, 0x0000 }, + { 0xd1, 0x0000 }, + { 0xd2, 0x0000 }, + { 0xd3, 0x0000 }, + { 0xd4, 0x0200 }, + { 0xd5, 0x0000 }, + { 0xd6, 0x0000 }, + { 0xd7, 0x0000 }, + { 0xd8, 0x0000 }, + { 0xd9, 0x0000 }, + { 0xda, 0x0000 }, + { 0xdb, 0x0000 }, + { 0xdc, 0x0000 }, + { 0xdd, 0x0000 }, + { 0xde, 0x0200 }, + { 0xdf, 0x0000 }, + { 0xe0, 0x0000 }, + { 0xe1, 0x0000 }, + { 0xe2, 0x0000 }, + { 0xe3, 0x0000 }, + { 0xe4, 0x0000 }, + { 0xe5, 0x0000 }, + { 0xe6, 0x0000 }, + { 0xe7, 0x0000 }, + { 0xe8, 0x0200 }, + { 0xe9, 0x0000 }, + { 0xea, 0x0000 }, + { 0xeb, 0x0000 }, + { 0xec, 0x0000 }, + { 0xed, 0x0000 }, + { 0xee, 0x0000 }, + { 0xef, 0x0000 }, + { 0xf0, 0x0000 }, + { 0xf1, 0x0000 }, + { 0xf2, 0x0200 }, + { 0xf3, 0x0000 }, + { 0xf4, 0x0000 }, + { 0xf5, 0x0000 }, + { 0xf6, 0x0000 }, + { 0xf7, 0x0000 }, + { 0xf8, 0x0000 }, + { 0xf9, 0x0000 }, + { 0xfa, 0x0000 }, + { 0xfb, 0x0000 }, +}; + +static int rt1305_reg_init(struct snd_soc_component *component) +{ + struct rt1305_priv *rt1305 = snd_soc_component_get_drvdata(component); + + regmap_multi_reg_write(rt1305->regmap, init_list, RT1305_INIT_REG_LEN); + return 0; +} + +static bool rt1305_volatile_register(struct device *dev, unsigned int reg) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(rt1305_ranges); i++) { + if (reg >= rt1305_ranges[i].range_min && + reg <= rt1305_ranges[i].range_max) { + return true; + } + } + + switch (reg) { + case RT1305_RESET: + case RT1305_SPDIF_IN_SET_1: + case RT1305_SPDIF_IN_SET_2: + case RT1305_SPDIF_IN_SET_3: + case RT1305_POWER_CTRL_2: + case RT1305_CLOCK_DETECT: + case RT1305_BIQUAD_SET_1: + case RT1305_BIQUAD_SET_2: + case RT1305_EQ_SET_2: + case RT1305_SPK_TEMP_PROTECTION_0: + case RT1305_SPK_TEMP_PROTECTION_2: + case RT1305_SPK_DC_DETECT_1: + case RT1305_SILENCE_DETECT: + case RT1305_VERSION_ID: + case RT1305_VENDOR_ID: + case RT1305_DEVICE_ID: + case RT1305_EFUSE_1: + case RT1305_EFUSE_3: + case RT1305_DC_CALIB_1: + case RT1305_DC_CALIB_3: + case RT1305_DAC_OFFSET_1: + case RT1305_DAC_OFFSET_2: + case RT1305_DAC_OFFSET_3: + case RT1305_DAC_OFFSET_4: + case RT1305_DAC_OFFSET_5: + case RT1305_DAC_OFFSET_6: + case RT1305_DAC_OFFSET_7: + case RT1305_DAC_OFFSET_8: + case RT1305_DAC_OFFSET_9: + case RT1305_DAC_OFFSET_10: + case RT1305_DAC_OFFSET_11: + case RT1305_TRIM_1: + case RT1305_TRIM_2: + return true; + + default: + return false; + } +} + +static bool rt1305_readable_register(struct device *dev, unsigned int reg) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(rt1305_ranges); i++) { + if (reg >= rt1305_ranges[i].range_min && + reg <= rt1305_ranges[i].range_max) { + return true; + } + } + + switch (reg) { + case RT1305_RESET: + case RT1305_CLK_1 ... RT1305_CAL_EFUSE_CLOCK: + case RT1305_PLL0_1 ... RT1305_PLL1_2: + case RT1305_MIXER_CTRL_1: + case RT1305_MIXER_CTRL_2: + case RT1305_DAC_SET_1: + case RT1305_DAC_SET_2: + case RT1305_ADC_SET_1: + case RT1305_ADC_SET_2: + case RT1305_ADC_SET_3: + case RT1305_PATH_SET: + case RT1305_SPDIF_IN_SET_1: + case RT1305_SPDIF_IN_SET_2: + case RT1305_SPDIF_IN_SET_3: + case RT1305_SPDIF_OUT_SET_1: + case RT1305_SPDIF_OUT_SET_2: + case RT1305_SPDIF_OUT_SET_3: + case RT1305_I2S_SET_1: + case RT1305_I2S_SET_2: + case RT1305_PBTL_MONO_MODE_SRC: + case RT1305_MANUALLY_I2C_DEVICE: + case RT1305_POWER_STATUS: + case RT1305_POWER_CTRL_1: + case RT1305_POWER_CTRL_2: + case RT1305_POWER_CTRL_3: + case RT1305_POWER_CTRL_4: + case RT1305_POWER_CTRL_5: + case RT1305_CLOCK_DETECT: + case RT1305_BIQUAD_SET_1: + case RT1305_BIQUAD_SET_2: + case RT1305_ADJUSTED_HPF_1: + case RT1305_ADJUSTED_HPF_2: + case RT1305_EQ_SET_1: + case RT1305_EQ_SET_2: + case RT1305_SPK_TEMP_PROTECTION_0: + case RT1305_SPK_TEMP_PROTECTION_1: + case RT1305_SPK_TEMP_PROTECTION_2: + case RT1305_SPK_TEMP_PROTECTION_3: + case RT1305_SPK_DC_DETECT_1: + case RT1305_SPK_DC_DETECT_2: + case RT1305_LOUDNESS: + case RT1305_THERMAL_FOLD_BACK_1: + case RT1305_THERMAL_FOLD_BACK_2: + case RT1305_SILENCE_DETECT ... RT1305_SPK_EXCURSION_LIMITER_7: + case RT1305_VERSION_ID: + case RT1305_VENDOR_ID: + case RT1305_DEVICE_ID: + case RT1305_EFUSE_1: + case RT1305_EFUSE_2: + case RT1305_EFUSE_3: + case RT1305_DC_CALIB_1: + case RT1305_DC_CALIB_2: + case RT1305_DC_CALIB_3: + case RT1305_DAC_OFFSET_1 ... RT1305_DAC_OFFSET_14: + case RT1305_TRIM_1: + case RT1305_TRIM_2: + case RT1305_TUNE_INTERNAL_OSC: + case RT1305_BIQUAD1_H0_L_28_16 ... RT1305_BIQUAD3_A2_R_15_0: + return true; + default: + return false; + } +} + +static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -9435, 37, 0); + +static const char * const rt1305_rx_data_ch_select[] = { + "LR", + "RL", + "Copy L", + "Copy R", +}; + +static SOC_ENUM_SINGLE_DECL(rt1305_rx_data_ch_enum, RT1305_I2S_SET_2, 2, + rt1305_rx_data_ch_select); + +static void rt1305_reset(struct regmap *regmap) +{ + regmap_write(regmap, RT1305_RESET, 0); +} + +static const struct snd_kcontrol_new rt1305_snd_controls[] = { + SOC_DOUBLE_TLV("DAC Playback Volume", RT1305_DAC_SET_1, + 8, 0, 0xff, 0, dac_vol_tlv), + + /* I2S Data Channel Selection */ + SOC_ENUM("RX Channel Select", rt1305_rx_data_ch_enum), +}; + +static int rt1305_is_rc_clk_from_pll(struct snd_soc_dapm_widget *source, + struct snd_soc_dapm_widget *sink) +{ + struct snd_soc_component *component = + snd_soc_dapm_to_component(source->dapm); + struct rt1305_priv *rt1305 = snd_soc_component_get_drvdata(component); + unsigned int val; + + snd_soc_component_read(component, RT1305_CLK_1, &val); + + if (rt1305->sysclk_src == RT1305_FS_SYS_PRE_S_PLL1 && + (val & RT1305_SEL_PLL_SRC_2_RCCLK)) + return 1; + else + return 0; +} + +static int rt1305_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source, + struct snd_soc_dapm_widget *sink) +{ + struct snd_soc_component *component = + snd_soc_dapm_to_component(source->dapm); + struct rt1305_priv *rt1305 = snd_soc_component_get_drvdata(component); + + if (rt1305->sysclk_src == RT1305_FS_SYS_PRE_S_PLL1) + return 1; + else + return 0; +} + +static int rt1305_classd_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = + snd_soc_dapm_to_component(w->dapm); + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + snd_soc_component_update_bits(component, RT1305_POWER_CTRL_1, + RT1305_POW_PDB_JD_MASK, RT1305_POW_PDB_JD); + break; + case SND_SOC_DAPM_PRE_PMD: + snd_soc_component_update_bits(component, RT1305_POWER_CTRL_1, + RT1305_POW_PDB_JD_MASK, 0); + usleep_range(150000, 200000); + break; + + default: + return 0; + } + + return 0; +} + +static const struct snd_kcontrol_new rt1305_sto_dac_l = + SOC_DAPM_SINGLE("Switch", RT1305_DAC_SET_2, + RT1305_DVOL_MUTE_L_EN_SFT, 1, 1); + +static const struct snd_kcontrol_new rt1305_sto_dac_r = + SOC_DAPM_SINGLE("Switch", RT1305_DAC_SET_2, + RT1305_DVOL_MUTE_R_EN_SFT, 1, 1); + +static const struct snd_soc_dapm_widget rt1305_dapm_widgets[] = { + SND_SOC_DAPM_SUPPLY("PLL0", RT1305_POWER_CTRL_1, + RT1305_POW_PLL0_EN_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("PLL1", RT1305_POWER_CTRL_1, + RT1305_POW_PLL1_EN_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("MBIAS", RT1305_POWER_CTRL_1, + RT1305_POW_MBIAS_LV_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("BG MBIAS", RT1305_POWER_CTRL_1, + RT1305_POW_BG_MBIAS_LV_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("LDO2", RT1305_POWER_CTRL_1, + RT1305_POW_LDO2_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("BG2", RT1305_POWER_CTRL_1, + RT1305_POW_BG2_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("LDO2 IB2", RT1305_POWER_CTRL_1, + RT1305_POW_LDO2_IB2_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("VREF", RT1305_POWER_CTRL_1, + RT1305_POW_VREF_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("VREF1", RT1305_POWER_CTRL_1, + RT1305_POW_VREF1_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("VREF2", RT1305_POWER_CTRL_1, + RT1305_POW_VREF2_BIT, 0, NULL, 0), + + + SND_SOC_DAPM_SUPPLY("DISC VREF", RT1305_POWER_CTRL_2, + RT1305_POW_DISC_VREF_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("FASTB VREF", RT1305_POWER_CTRL_2, + RT1305_POW_FASTB_VREF_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("ULTRA FAST VREF", RT1305_POWER_CTRL_2, + RT1305_POW_ULTRA_FAST_VREF_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("CHOP DAC", RT1305_POWER_CTRL_2, + RT1305_POW_CKXEN_DAC_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("CKGEN DAC", RT1305_POWER_CTRL_2, + RT1305_POW_EN_CKGEN_DAC_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("CLAMP", RT1305_POWER_CTRL_2, + RT1305_POW_CLAMP_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("BUFL", RT1305_POWER_CTRL_2, + RT1305_POW_BUFL_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("BUFR", RT1305_POWER_CTRL_2, + RT1305_POW_BUFR_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("CKGEN ADC", RT1305_POWER_CTRL_2, + RT1305_POW_EN_CKGEN_ADC_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("ADC3 L", RT1305_POWER_CTRL_2, + RT1305_POW_ADC3_L_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("ADC3 R", RT1305_POWER_CTRL_2, + RT1305_POW_ADC3_R_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("TRIOSC", RT1305_POWER_CTRL_2, + RT1305_POW_TRIOSC_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("AVDD1", RT1305_POWER_CTRL_2, + RT1305_POR_AVDD1_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("AVDD2", RT1305_POWER_CTRL_2, + RT1305_POR_AVDD2_BIT, 0, NULL, 0), + + + SND_SOC_DAPM_SUPPLY("VSENSE R", RT1305_POWER_CTRL_3, + RT1305_POW_VSENSE_RCH_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("VSENSE L", RT1305_POWER_CTRL_3, + RT1305_POW_VSENSE_LCH_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("ISENSE R", RT1305_POWER_CTRL_3, + RT1305_POW_ISENSE_RCH_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("ISENSE L", RT1305_POWER_CTRL_3, + RT1305_POW_ISENSE_LCH_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("POR AVDD1", RT1305_POWER_CTRL_3, + RT1305_POW_POR_AVDD1_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("POR AVDD2", RT1305_POWER_CTRL_3, + RT1305_POW_POR_AVDD2_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("VCM 6172", RT1305_POWER_CTRL_3, + RT1305_EN_VCM_6172_BIT, 0, NULL, 0), + + + /* Audio Interface */ + SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0), + + /* Digital Interface */ + SND_SOC_DAPM_SUPPLY("DAC L Power", RT1305_POWER_CTRL_2, + RT1305_POW_DAC1_L_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("DAC R Power", RT1305_POWER_CTRL_2, + RT1305_POW_DAC1_R_BIT, 0, NULL, 0), + SND_SOC_DAPM_DAC("DAC", NULL, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_SWITCH("DAC L", SND_SOC_NOPM, 0, 0, &rt1305_sto_dac_l), + SND_SOC_DAPM_SWITCH("DAC R", SND_SOC_NOPM, 0, 0, &rt1305_sto_dac_r), + + /* Output Lines */ + SND_SOC_DAPM_PGA_E("CLASS D", SND_SOC_NOPM, 0, 0, NULL, 0, + rt1305_classd_event, + SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU), + SND_SOC_DAPM_OUTPUT("SPOL"), + SND_SOC_DAPM_OUTPUT("SPOR"), +}; + +static const struct snd_soc_dapm_route rt1305_dapm_routes[] = { + + { "DAC", NULL, "AIF1RX" }, + + { "DAC", NULL, "PLL0", rt1305_is_rc_clk_from_pll }, + { "DAC", NULL, "PLL1", rt1305_is_sys_clk_from_pll }, + + { "DAC", NULL, "MBIAS" }, + { "DAC", NULL, "BG MBIAS" }, + { "DAC", NULL, "LDO2" }, + { "DAC", NULL, "BG2" }, + { "DAC", NULL, "LDO2 IB2" }, + { "DAC", NULL, "VREF" }, + { "DAC", NULL, "VREF1" }, + { "DAC", NULL, "VREF2" }, + + { "DAC", NULL, "DISC VREF" }, + { "DAC", NULL, "FASTB VREF" }, + { "DAC", NULL, "ULTRA FAST VREF" }, + { "DAC", NULL, "CHOP DAC" }, + { "DAC", NULL, "CKGEN DAC" }, + { "DAC", NULL, "CLAMP" }, + { "DAC", NULL, "CKGEN ADC" }, + { "DAC", NULL, "TRIOSC" }, + { "DAC", NULL, "AVDD1" }, + { "DAC", NULL, "AVDD2" }, + + { "DAC", NULL, "POR AVDD1" }, + { "DAC", NULL, "POR AVDD2" }, + { "DAC", NULL, "VCM 6172" }, + + { "DAC L", "Switch", "DAC" }, + { "DAC R", "Switch", "DAC" }, + + { "DAC R", NULL, "VSENSE R" }, + { "DAC L", NULL, "VSENSE L" }, + { "DAC R", NULL, "ISENSE R" }, + { "DAC L", NULL, "ISENSE L" }, + { "DAC L", NULL, "ADC3 L" }, + { "DAC R", NULL, "ADC3 R" }, + { "DAC L", NULL, "BUFL" }, + { "DAC R", NULL, "BUFR" }, + { "DAC L", NULL, "DAC L Power" }, + { "DAC R", NULL, "DAC R Power" }, + + { "CLASS D", NULL, "DAC L" }, + { "CLASS D", NULL, "DAC R" }, + + { "SPOL", NULL, "CLASS D" }, + { "SPOR", NULL, "CLASS D" }, +}; + +static int rt1305_get_clk_info(int sclk, int rate) +{ + int i, pd[] = {1, 2, 3, 4, 6, 8, 12, 16}; + + if (sclk <= 0 || rate <= 0) + return -EINVAL; + + rate = rate << 8; + for (i = 0; i < ARRAY_SIZE(pd); i++) + if (sclk == rate * pd[i]) + return i; + + return -EINVAL; +} + +static int rt1305_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct rt1305_priv *rt1305 = snd_soc_component_get_drvdata(component); + unsigned int val_len = 0, val_clk, mask_clk; + int pre_div, bclk_ms, frame_size; + + rt1305->lrck = params_rate(params); + pre_div = rt1305_get_clk_info(rt1305->sysclk, rt1305->lrck); + if (pre_div < 0) { + dev_warn(component->dev, "Force using PLL "); + snd_soc_dai_set_pll(dai, 0, RT1305_PLL1_S_BCLK, + rt1305->lrck * 64, rt1305->lrck * 256); + snd_soc_dai_set_sysclk(dai, RT1305_FS_SYS_PRE_S_PLL1, + rt1305->lrck * 256, SND_SOC_CLOCK_IN); + pre_div = 0; + } + frame_size = snd_soc_params_to_frame_size(params); + if (frame_size < 0) { + dev_err(component->dev, "Unsupported frame size: %d\n", + frame_size); + return -EINVAL; + } + + bclk_ms = frame_size > 32; + rt1305->bclk = rt1305->lrck * (32 << bclk_ms); + + dev_dbg(component->dev, "bclk_ms is %d and pre_div is %d for iis %d\n", + bclk_ms, pre_div, dai->id); + + dev_dbg(component->dev, "lrck is %dHz and pre_div is %d for iis %d\n", + rt1305->lrck, pre_div, dai->id); + + switch (params_width(params)) { + case 16: + val_len |= RT1305_I2S_DL_SEL_16B; + break; + case 20: + val_len |= RT1305_I2S_DL_SEL_20B; + break; + case 24: + val_len |= RT1305_I2S_DL_SEL_24B; + break; + case 8: + val_len |= RT1305_I2S_DL_SEL_8B; + break; + default: + return -EINVAL; + } + + switch (dai->id) { + case RT1305_AIF1: + mask_clk = RT1305_DIV_FS_SYS_MASK; + val_clk = pre_div << RT1305_DIV_FS_SYS_SFT; + snd_soc_component_update_bits(component, RT1305_I2S_SET_2, + RT1305_I2S_DL_SEL_MASK, + val_len); + break; + default: + dev_err(component->dev, "Invalid dai->id: %d\n", dai->id); + return -EINVAL; + } + + snd_soc_component_update_bits(component, RT1305_CLK_2, + mask_clk, val_clk); + + return 0; +} + +static int rt1305_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) +{ + struct snd_soc_component *component = dai->component; + struct rt1305_priv *rt1305 = snd_soc_component_get_drvdata(component); + unsigned int reg_val = 0, reg1_val = 0; + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM: + reg_val |= RT1305_SEL_I2S_OUT_MODE_M; + rt1305->master = 1; + break; + case SND_SOC_DAIFMT_CBS_CFS: + reg_val |= RT1305_SEL_I2S_OUT_MODE_S; + rt1305->master = 0; + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + break; + case SND_SOC_DAIFMT_IB_NF: + reg1_val |= RT1305_I2S_BCLK_INV; + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + break; + case SND_SOC_DAIFMT_LEFT_J: + reg1_val |= RT1305_I2S_DF_SEL_LEFT; + break; + case SND_SOC_DAIFMT_DSP_A: + reg1_val |= RT1305_I2S_DF_SEL_PCM_A; + break; + case SND_SOC_DAIFMT_DSP_B: + reg1_val |= RT1305_I2S_DF_SEL_PCM_B; + break; + default: + return -EINVAL; + } + + switch (dai->id) { + case RT1305_AIF1: + snd_soc_component_update_bits(component, RT1305_I2S_SET_1, + RT1305_SEL_I2S_OUT_MODE_MASK, reg_val); + snd_soc_component_update_bits(component, RT1305_I2S_SET_2, + RT1305_I2S_DF_SEL_MASK | RT1305_I2S_BCLK_MASK, + reg1_val); + break; + default: + dev_err(component->dev, "Invalid dai->id: %d\n", dai->id); + return -EINVAL; + } + return 0; +} + +static int rt1305_set_component_sysclk(struct snd_soc_component *component, + int clk_id, int source, unsigned int freq, int dir) +{ + struct rt1305_priv *rt1305 = snd_soc_component_get_drvdata(component); + unsigned int reg_val = 0; + + if (freq == rt1305->sysclk && clk_id == rt1305->sysclk_src) + return 0; + + switch (clk_id) { + case RT1305_FS_SYS_PRE_S_MCLK: + reg_val |= RT1305_SEL_FS_SYS_PRE_MCLK; + snd_soc_component_update_bits(component, + RT1305_CLOCK_DETECT, RT1305_SEL_CLK_DET_SRC_MASK, + RT1305_SEL_CLK_DET_SRC_MCLK); + break; + case RT1305_FS_SYS_PRE_S_PLL1: + reg_val |= RT1305_SEL_FS_SYS_PRE_PLL; + break; + case RT1305_FS_SYS_PRE_S_RCCLK: + reg_val |= RT1305_SEL_FS_SYS_PRE_RCCLK; + break; + default: + dev_err(component->dev, "Invalid clock id (%d)\n", clk_id); + return -EINVAL; + } + snd_soc_component_update_bits(component, RT1305_CLK_1, + RT1305_SEL_FS_SYS_PRE_MASK, reg_val); + rt1305->sysclk = freq; + rt1305->sysclk_src = clk_id; + + dev_dbg(component->dev, "Sysclk is %dHz and clock id is %d\n", + freq, clk_id); + + return 0; +} + +static int rt1305_set_component_pll(struct snd_soc_component *component, + int pll_id, int source, unsigned int freq_in, + unsigned int freq_out) +{ + struct rt1305_priv *rt1305 = snd_soc_component_get_drvdata(component); + struct rl6231_pll_code pll_code; + int ret; + + if (source == rt1305->pll_src && freq_in == rt1305->pll_in && + freq_out == rt1305->pll_out) + return 0; + + if (!freq_in || !freq_out) { + dev_dbg(component->dev, "PLL disabled\n"); + + rt1305->pll_in = 0; + rt1305->pll_out = 0; + snd_soc_component_update_bits(component, RT1305_CLK_1, + RT1305_SEL_FS_SYS_PRE_MASK | RT1305_SEL_PLL_SRC_1_MASK, + RT1305_SEL_FS_SYS_PRE_PLL | RT1305_SEL_PLL_SRC_1_BCLK); + return 0; + } + + switch (source) { + case RT1305_PLL2_S_MCLK: + snd_soc_component_update_bits(component, RT1305_CLK_1, + RT1305_SEL_PLL_SRC_2_MASK | RT1305_SEL_PLL_SRC_1_MASK | + RT1305_DIV_PLL_SRC_2_MASK, + RT1305_SEL_PLL_SRC_2_MCLK | RT1305_SEL_PLL_SRC_1_PLL2); + snd_soc_component_update_bits(component, + RT1305_CLOCK_DETECT, RT1305_SEL_CLK_DET_SRC_MASK, + RT1305_SEL_CLK_DET_SRC_MCLK); + break; + case RT1305_PLL1_S_BCLK: + snd_soc_component_update_bits(component, + RT1305_CLK_1, RT1305_SEL_PLL_SRC_1_MASK, + RT1305_SEL_PLL_SRC_1_BCLK); + break; + case RT1305_PLL2_S_RCCLK: + snd_soc_component_update_bits(component, RT1305_CLK_1, + RT1305_SEL_PLL_SRC_2_MASK | RT1305_SEL_PLL_SRC_1_MASK | + RT1305_DIV_PLL_SRC_2_MASK, + RT1305_SEL_PLL_SRC_2_RCCLK | RT1305_SEL_PLL_SRC_1_PLL2); + freq_in = 98304000; + break; + default: + dev_err(component->dev, "Unknown PLL Source %d\n", source); + return -EINVAL; + } + + ret = rl6231_pll_calc(freq_in, freq_out, &pll_code); + if (ret < 0) { + dev_err(component->dev, "Unsupport input clock %d\n", freq_in); + return ret; + } + + dev_dbg(component->dev, "bypass=%d m=%d n=%d k=%d\n", + pll_code.m_bp, (pll_code.m_bp ? 0 : pll_code.m_code), + pll_code.n_code, pll_code.k_code); + + snd_soc_component_write(component, RT1305_PLL1_1, + (pll_code.m_bp ? 0 : pll_code.m_code) << RT1305_PLL_1_M_SFT | + pll_code.m_bp << RT1305_PLL_1_M_BYPASS_SFT | + pll_code.n_code); + snd_soc_component_write(component, RT1305_PLL1_2, + pll_code.k_code); + + rt1305->pll_in = freq_in; + rt1305->pll_out = freq_out; + rt1305->pll_src = source; + + return 0; +} + +static int rt1305_probe(struct snd_soc_component *component) +{ + struct rt1305_priv *rt1305 = snd_soc_component_get_drvdata(component); + + rt1305->component = component; + + /* initial settings */ + rt1305_reg_init(component); + + return 0; +} + +static void rt1305_remove(struct snd_soc_component *component) +{ + struct rt1305_priv *rt1305 = snd_soc_component_get_drvdata(component); + + rt1305_reset(rt1305->regmap); +} + +#ifdef CONFIG_PM +static int rt1305_suspend(struct snd_soc_component *component) +{ + struct rt1305_priv *rt1305 = snd_soc_component_get_drvdata(component); + + regcache_cache_only(rt1305->regmap, true); + regcache_mark_dirty(rt1305->regmap); + + return 0; +} + +static int rt1305_resume(struct snd_soc_component *component) +{ + struct rt1305_priv *rt1305 = snd_soc_component_get_drvdata(component); + + regcache_cache_only(rt1305->regmap, false); + regcache_sync(rt1305->regmap); + + return 0; +} +#else +#define rt1305_suspend NULL +#define rt1305_resume NULL +#endif + +#define RT1305_STEREO_RATES SNDRV_PCM_RATE_8000_192000 +#define RT1305_FORMATS (SNDRV_PCM_FMTBIT_S8 | \ + SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S16_LE | \ + SNDRV_PCM_FMTBIT_S24_LE) + +static const struct snd_soc_dai_ops rt1305_aif_dai_ops = { + .hw_params = rt1305_hw_params, + .set_fmt = rt1305_set_dai_fmt, +}; + +static struct snd_soc_dai_driver rt1305_dai[] = { + { + .name = "rt1305-aif", + .playback = { + .stream_name = "AIF1 Playback", + .channels_min = 1, + .channels_max = 2, + .rates = RT1305_STEREO_RATES, + .formats = RT1305_FORMATS, + }, + .ops = &rt1305_aif_dai_ops, + }, +}; + +static const struct snd_soc_component_driver soc_component_dev_rt1305 = { + .probe = rt1305_probe, + .remove = rt1305_remove, + .suspend = rt1305_suspend, + .resume = rt1305_resume, + .controls = rt1305_snd_controls, + .num_controls = ARRAY_SIZE(rt1305_snd_controls), + .dapm_widgets = rt1305_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(rt1305_dapm_widgets), + .dapm_routes = rt1305_dapm_routes, + .num_dapm_routes = ARRAY_SIZE(rt1305_dapm_routes), + .set_sysclk = rt1305_set_component_sysclk, + .set_pll = rt1305_set_component_pll, + .use_pmdown_time = 1, + .endianness = 1, + .non_legacy_dai_naming = 1, +}; + +static const struct regmap_config rt1305_regmap = { + .reg_bits = 8, + .val_bits = 16, + .max_register = RT1305_MAX_REG + 1 + (ARRAY_SIZE(rt1305_ranges) * + RT1305_PR_SPACING), + .volatile_reg = rt1305_volatile_register, + .readable_reg = rt1305_readable_register, + .cache_type = REGCACHE_RBTREE, + .reg_defaults = rt1305_reg, + .num_reg_defaults = ARRAY_SIZE(rt1305_reg), + .ranges = rt1305_ranges, + .num_ranges = ARRAY_SIZE(rt1305_ranges), + .use_single_rw = true, +}; + +#if defined(CONFIG_OF) +static const struct of_device_id rt1305_of_match[] = { + { .compatible = "realtek,rt1305", }, + { .compatible = "realtek,rt1306", }, + {}, +}; +MODULE_DEVICE_TABLE(of, rt1305_of_match); +#endif + +#ifdef CONFIG_ACPI +static struct acpi_device_id rt1305_acpi_match[] = { + {"10EC1305", 0,}, + {"10EC1306", 0,}, + {}, +}; +MODULE_DEVICE_TABLE(acpi, rt1305_acpi_match); +#endif + +static const struct i2c_device_id rt1305_i2c_id[] = { + { "rt1305", 0 }, + { "rt1306", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, rt1305_i2c_id); + +static void rt1305_calibrate(struct rt1305_priv *rt1305) +{ + unsigned int valmsb, vallsb, offsetl, offsetr; + unsigned int rh, rl, rhl, r0ohm; + u64 r0l, r0r; + + regcache_cache_bypass(rt1305->regmap, true); + + rt1305_reset(rt1305->regmap); + regmap_write(rt1305->regmap, RT1305_ADC_SET_3, 0x0219); + regmap_write(rt1305->regmap, RT1305_PR_BASE + 0xcf, 0x5548); + regmap_write(rt1305->regmap, RT1305_PR_BASE + 0xc1, 0x0320); + regmap_write(rt1305->regmap, RT1305_CLOCK_DETECT, 0x1000); + regmap_write(rt1305->regmap, RT1305_CLK_1, 0x0600); + regmap_write(rt1305->regmap, RT1305_POWER_CTRL_3, 0xffd0); + regmap_write(rt1305->regmap, RT1305_EFUSE_1, 0x0080); + regmap_write(rt1305->regmap, RT1305_EFUSE_1, 0x0880); + regmap_write(rt1305->regmap, RT1305_POWER_CTRL_1, 0x0dfe); + + /* Sin Gen */ + regmap_write(rt1305->regmap, RT1305_PR_BASE + 0x5d, 0x0442); + + regmap_write(rt1305->regmap, RT1305_CAL_EFUSE_CLOCK, 0xb000); + regmap_write(rt1305->regmap, RT1305_PR_BASE + 0xc3, 0xd4a0); + regmap_write(rt1305->regmap, RT1305_PR_BASE + 0xcc, 0x00cc); + regmap_write(rt1305->regmap, RT1305_PR_BASE + 0xc1, 0x0320); + regmap_write(rt1305->regmap, RT1305_POWER_STATUS, 0x0000); + regmap_write(rt1305->regmap, RT1305_POWER_CTRL_2, 0xffff); + regmap_write(rt1305->regmap, RT1305_POWER_CTRL_3, 0xfc20); + regmap_write(rt1305->regmap, RT1305_PR_BASE + 0x06, 0x00c0); + regmap_write(rt1305->regmap, RT1305_POWER_CTRL_3, 0xfca0); + regmap_write(rt1305->regmap, RT1305_POWER_CTRL_3, 0xfce0); + regmap_write(rt1305->regmap, RT1305_POWER_CTRL_3, 0xfcf0); + + /* EFUSE read */ + regmap_write(rt1305->regmap, RT1305_EFUSE_1, 0x0080); + regmap_write(rt1305->regmap, RT1305_EFUSE_1, 0x0880); + regmap_write(rt1305->regmap, RT1305_EFUSE_1, 0x0880); + regmap_write(rt1305->regmap, RT1305_POWER_CTRL_3, 0xfce0); + regmap_write(rt1305->regmap, RT1305_POWER_CTRL_3, 0xfca0); + regmap_write(rt1305->regmap, RT1305_POWER_CTRL_3, 0xfc20); + regmap_write(rt1305->regmap, RT1305_PR_BASE + 0x06, 0x0000); + regmap_write(rt1305->regmap, RT1305_EFUSE_1, 0x0000); + + regmap_read(rt1305->regmap, RT1305_DAC_OFFSET_5, &valmsb); + regmap_read(rt1305->regmap, RT1305_DAC_OFFSET_6, &vallsb); + offsetl = valmsb << 16 | vallsb; + regmap_read(rt1305->regmap, RT1305_DAC_OFFSET_7, &valmsb); + regmap_read(rt1305->regmap, RT1305_DAC_OFFSET_8, &vallsb); + offsetr = valmsb << 16 | vallsb; + pr_info("DC offsetl=0x%x, offsetr=0x%x\n", offsetl, offsetr); + + /* R0 calibration */ + regmap_write(rt1305->regmap, RT1305_PR_BASE + 0x5d, 0x9542); + regmap_write(rt1305->regmap, RT1305_POWER_CTRL_3, 0xfcf0); + regmap_write(rt1305->regmap, RT1305_POWER_CTRL_2, 0xffff); + regmap_write(rt1305->regmap, RT1305_POWER_CTRL_1, 0x1dfe); + regmap_write(rt1305->regmap, RT1305_SILENCE_DETECT, 0x0e13); + regmap_write(rt1305->regmap, RT1305_CLK_1, 0x0650); + + regmap_write(rt1305->regmap, RT1305_PR_BASE + 0x50, 0x0064); + regmap_write(rt1305->regmap, RT1305_PR_BASE + 0x51, 0x0770); + regmap_write(rt1305->regmap, RT1305_PR_BASE + 0x52, 0xc30c); + regmap_write(rt1305->regmap, RT1305_SPK_TEMP_PROTECTION_1, 0x8200); + regmap_write(rt1305->regmap, RT1305_PR_BASE + 0xd4, 0xfb00); + regmap_write(rt1305->regmap, RT1305_PR_BASE + 0xd4, 0xff80); + msleep(2000); + regmap_read(rt1305->regmap, RT1305_PR_BASE + 0x55, &rh); + regmap_read(rt1305->regmap, RT1305_PR_BASE + 0x56, &rl); + rhl = (rh << 16) | rl; + r0ohm = (rhl*10) / 33554432; + + pr_debug("Left_rhl = 0x%x rh=0x%x rl=0x%x\n", rhl, rh, rl); + pr_info("Left channel %d.%dohm\n", (r0ohm/10), (r0ohm%10)); + + r0l = 562949953421312ULL; + if (rhl != 0) + do_div(r0l, rhl); + pr_debug("Left_r0 = 0x%llx\n", r0l); + + regmap_write(rt1305->regmap, RT1305_SPK_TEMP_PROTECTION_1, 0x9200); + regmap_write(rt1305->regmap, RT1305_PR_BASE + 0xd4, 0xfb00); + regmap_write(rt1305->regmap, RT1305_PR_BASE + 0xd4, 0xff80); + msleep(2000); + regmap_read(rt1305->regmap, RT1305_PR_BASE + 0x55, &rh); + regmap_read(rt1305->regmap, RT1305_PR_BASE + 0x56, &rl); + rhl = (rh << 16) | rl; + r0ohm = (rhl*10) / 33554432; + + pr_debug("Right_rhl = 0x%x rh=0x%x rl=0x%x\n", rhl, rh, rl); + pr_info("Right channel %d.%dohm\n", (r0ohm/10), (r0ohm%10)); + + r0r = 562949953421312ULL; + if (rhl != 0) + do_div(r0r, rhl); + pr_debug("Right_r0 = 0x%llx\n", r0r); + + regmap_write(rt1305->regmap, RT1305_SPK_TEMP_PROTECTION_1, 0xc2ec); + + if ((r0l > R0_UPPER) && (r0l < R0_LOWER) && + (r0r > R0_UPPER) && (r0r < R0_LOWER)) { + regmap_write(rt1305->regmap, RT1305_PR_BASE + 0x4e, + (r0l >> 16) & 0xffff); + regmap_write(rt1305->regmap, RT1305_PR_BASE + 0x4f, + r0l & 0xffff); + regmap_write(rt1305->regmap, RT1305_PR_BASE + 0xfe, + ((r0r >> 16) & 0xffff) | 0xf800); + regmap_write(rt1305->regmap, RT1305_PR_BASE + 0xfd, + r0r & 0xffff); + } else { + pr_err("R0 calibration failed\n"); + } + + /* restore some registers */ + regmap_write(rt1305->regmap, RT1305_POWER_CTRL_1, 0x0dfe); + usleep_range(200000, 400000); + regmap_write(rt1305->regmap, RT1305_PR_BASE + 0x5d, 0x0442); + regmap_write(rt1305->regmap, RT1305_CLOCK_DETECT, 0x3000); + regmap_write(rt1305->regmap, RT1305_CLK_1, 0x0400); + regmap_write(rt1305->regmap, RT1305_POWER_CTRL_1, 0x0000); + regmap_write(rt1305->regmap, RT1305_CAL_EFUSE_CLOCK, 0x8000); + regmap_write(rt1305->regmap, RT1305_POWER_CTRL_2, 0x1020); + regmap_write(rt1305->regmap, RT1305_POWER_CTRL_3, 0x0000); + + regcache_cache_bypass(rt1305->regmap, false); +} + +static int rt1305_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) +{ + struct rt1305_priv *rt1305; + int ret; + unsigned int val; + + rt1305 = devm_kzalloc(&i2c->dev, sizeof(struct rt1305_priv), + GFP_KERNEL); + if (rt1305 == NULL) + return -ENOMEM; + + i2c_set_clientdata(i2c, rt1305); + + rt1305->regmap = devm_regmap_init_i2c(i2c, &rt1305_regmap); + if (IS_ERR(rt1305->regmap)) { + ret = PTR_ERR(rt1305->regmap); + dev_err(&i2c->dev, "Failed to allocate register map: %d\n", + ret); + return ret; + } + + regmap_read(rt1305->regmap, RT1305_DEVICE_ID, &val); + if (val != RT1305_DEVICE_ID_NUM) { + dev_err(&i2c->dev, + "Device with ID register %x is not rt1305\n", val); + return -ENODEV; + } + + rt1305_reset(rt1305->regmap); + rt1305_calibrate(rt1305); + + return devm_snd_soc_register_component(&i2c->dev, + &soc_component_dev_rt1305, + rt1305_dai, ARRAY_SIZE(rt1305_dai)); +} + +static void rt1305_i2c_shutdown(struct i2c_client *client) +{ + struct rt1305_priv *rt1305 = i2c_get_clientdata(client); + + rt1305_reset(rt1305->regmap); +} + + +static struct i2c_driver rt1305_i2c_driver = { + .driver = { + .name = "rt1305", +#if defined(CONFIG_OF) + .of_match_table = rt1305_of_match, +#endif +#if defined(CONFIG_ACPI) + .acpi_match_table = ACPI_PTR(rt1305_acpi_match) +#endif + }, + .probe = rt1305_i2c_probe, + .shutdown = rt1305_i2c_shutdown, + .id_table = rt1305_i2c_id, +}; +module_i2c_driver(rt1305_i2c_driver); + +MODULE_DESCRIPTION("ASoC RT1305 amplifier driver"); +MODULE_AUTHOR("Shuming Fan <shumingf@realtek.com>"); +MODULE_LICENSE("GPL v2"); |