/* * Copyright (c) 2015, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and * only version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include #include #include "wsa881x-registers.h" #include "wsa881x.h" /* * Default register reset values that are common across different versions * are defined here. If a register reset value is changed based on version * then remove it from this structure and add it in version specific * structures. */ static struct reg_default wsa881x_defaults[] = { {WSA881X_CHIP_ID0, 0x00}, {WSA881X_CHIP_ID1, 0x00}, {WSA881X_CHIP_ID2, 0x00}, {WSA881X_CHIP_ID3, 0x02}, {WSA881X_BUS_ID, 0x00}, {WSA881X_CDC_RST_CTL, 0x00}, {WSA881X_CDC_TOP_CLK_CTL, 0x03}, {WSA881X_CDC_ANA_CLK_CTL, 0x00}, {WSA881X_CDC_DIG_CLK_CTL, 0x00}, {WSA881X_CLOCK_CONFIG, 0x00}, {WSA881X_ANA_CTL, 0x08}, {WSA881X_SWR_RESET_EN, 0x00}, {WSA881X_TEMP_DETECT_CTL, 0x01}, {WSA881X_TEMP_MSB, 0x00}, {WSA881X_TEMP_LSB, 0x00}, {WSA881X_TEMP_CONFIG0, 0x00}, {WSA881X_TEMP_CONFIG1, 0x00}, {WSA881X_CDC_CLIP_CTL, 0x03}, {WSA881X_SDM_PDM9_LSB, 0x00}, {WSA881X_SDM_PDM9_MSB, 0x00}, {WSA881X_CDC_RX_CTL, 0x7E}, {WSA881X_DEM_BYPASS_DATA0, 0x00}, {WSA881X_DEM_BYPASS_DATA1, 0x00}, {WSA881X_DEM_BYPASS_DATA2, 0x00}, {WSA881X_DEM_BYPASS_DATA3, 0x00}, {WSA881X_OTP_CTRL0, 0x00}, {WSA881X_OTP_CTRL1, 0x00}, {WSA881X_HDRIVE_CTL_GROUP1, 0x00}, {WSA881X_INTR_MODE, 0x00}, {WSA881X_INTR_STATUS, 0x00}, {WSA881X_INTR_CLEAR, 0x00}, {WSA881X_INTR_LEVEL, 0x00}, {WSA881X_INTR_SET, 0x00}, {WSA881X_INTR_TEST, 0x00}, {WSA881X_PDM_TEST_MODE, 0x00}, {WSA881X_ATE_TEST_MODE, 0x00}, {WSA881X_PIN_CTL_MODE, 0x00}, {WSA881X_PIN_CTL_OE, 0x00}, {WSA881X_PIN_WDATA_IOPAD, 0x00}, {WSA881X_PIN_STATUS, 0x00}, {WSA881X_DIG_DEBUG_MODE, 0x00}, {WSA881X_DIG_DEBUG_SEL, 0x00}, {WSA881X_DIG_DEBUG_EN, 0x00}, {WSA881X_SWR_HM_TEST1, 0x08}, {WSA881X_SWR_HM_TEST2, 0x00}, {WSA881X_TEMP_DETECT_DBG_CTL, 0x00}, {WSA881X_TEMP_DEBUG_MSB, 0x00}, {WSA881X_TEMP_DEBUG_LSB, 0x00}, {WSA881X_SAMPLE_EDGE_SEL, 0x0C}, {WSA881X_SPARE_0, 0x00}, {WSA881X_SPARE_1, 0x00}, {WSA881X_SPARE_2, 0x00}, {WSA881X_OTP_REG_0, 0x01}, {WSA881X_OTP_REG_1, 0xFF}, {WSA881X_OTP_REG_2, 0xC0}, {WSA881X_OTP_REG_3, 0xFF}, {WSA881X_OTP_REG_4, 0xC0}, {WSA881X_OTP_REG_5, 0xFF}, {WSA881X_OTP_REG_6, 0xFF}, {WSA881X_OTP_REG_7, 0xFF}, {WSA881X_OTP_REG_8, 0xFF}, {WSA881X_OTP_REG_9, 0xFF}, {WSA881X_OTP_REG_10, 0xFF}, {WSA881X_OTP_REG_11, 0xFF}, {WSA881X_OTP_REG_12, 0xFF}, {WSA881X_OTP_REG_13, 0xFF}, {WSA881X_OTP_REG_14, 0xFF}, {WSA881X_OTP_REG_15, 0xFF}, {WSA881X_OTP_REG_16, 0xFF}, {WSA881X_OTP_REG_17, 0xFF}, {WSA881X_OTP_REG_18, 0xFF}, {WSA881X_OTP_REG_19, 0xFF}, {WSA881X_OTP_REG_20, 0xFF}, {WSA881X_OTP_REG_21, 0xFF}, {WSA881X_OTP_REG_22, 0xFF}, {WSA881X_OTP_REG_23, 0xFF}, {WSA881X_OTP_REG_24, 0x03}, {WSA881X_OTP_REG_25, 0x01}, {WSA881X_OTP_REG_26, 0x03}, {WSA881X_OTP_REG_27, 0x11}, {WSA881X_OTP_REG_63, 0x40}, /* WSA881x Analog registers */ {WSA881X_BIAS_REF_CTRL, 0x6C}, {WSA881X_BIAS_TEST, 0x16}, {WSA881X_BIAS_BIAS, 0xF0}, {WSA881X_TEMP_OP, 0x00}, {WSA881X_TEMP_IREF_CTRL, 0x56}, {WSA881X_TEMP_ISENS_CTRL, 0x47}, {WSA881X_TEMP_CLK_CTRL, 0x87}, {WSA881X_TEMP_TEST, 0x00}, {WSA881X_TEMP_BIAS, 0x51}, {WSA881X_TEMP_DOUT_MSB, 0x00}, {WSA881X_TEMP_DOUT_LSB, 0x00}, {WSA881X_ADC_EN_MODU_V, 0x00}, {WSA881X_ADC_EN_MODU_I, 0x00}, {WSA881X_ADC_EN_DET_TEST_V, 0x00}, {WSA881X_ADC_EN_DET_TEST_I, 0x00}, {WSA881X_ADC_EN_SEL_IBAIS, 0x10}, {WSA881X_SPKR_DRV_EN, 0x74}, {WSA881X_SPKR_DRV_DBG, 0x15}, {WSA881X_SPKR_PWRSTG_DBG, 0x00}, {WSA881X_SPKR_OCP_CTL, 0xD4}, {WSA881X_SPKR_CLIP_CTL, 0x90}, {WSA881X_SPKR_PA_INT, 0x54}, {WSA881X_SPKR_BIAS_CAL, 0xAC}, {WSA881X_SPKR_STATUS1, 0x00}, {WSA881X_SPKR_STATUS2, 0x00}, {WSA881X_BOOST_EN_CTL, 0x18}, {WSA881X_BOOST_CURRENT_LIMIT, 0x7A}, {WSA881X_BOOST_PRESET_OUT2, 0x70}, {WSA881X_BOOST_FORCE_OUT, 0x0E}, {WSA881X_BOOST_LDO_PROG, 0x16}, {WSA881X_BOOST_SLOPE_COMP_ISENSE_FB, 0x71}, {WSA881X_BOOST_RON_CTL, 0x0F}, {WSA881X_BOOST_ZX_CTL, 0x34}, {WSA881X_BOOST_START_CTL, 0x23}, {WSA881X_BOOST_MISC1_CTL, 0x80}, {WSA881X_BOOST_MISC2_CTL, 0x00}, {WSA881X_BOOST_MISC3_CTL, 0x00}, {WSA881X_BOOST_ATEST_CTL, 0x00}, {WSA881X_SPKR_PROT_FE_GAIN, 0x46}, {WSA881X_SPKR_PROT_FE_CM_LDO_SET, 0x3B}, {WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET1, 0x8D}, {WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET2, 0x8D}, {WSA881X_SPKR_PROT_ATEST1, 0x01}, {WSA881X_SPKR_PROT_FE_VSENSE_VCM, 0x8D}, {WSA881X_SPKR_PROT_FE_VSENSE_BIAS_SET1, 0x4D}, {WSA881X_SPKR_PROT_SAR, 0x00}, {WSA881X_SPKR_STATUS3, 0x00}, }; /* Default register reset values for WSA881x rev 1.0 or 1.1 */ static struct reg_default wsa881x_rev_1_x[] = { {WSA881X_INTR_MASK, 0x1F}, {WSA881X_OTP_REG_28, 0xFF}, {WSA881X_OTP_REG_29, 0xFF}, {WSA881X_OTP_REG_30, 0xFF}, {WSA881X_OTP_REG_31, 0xFF}, {WSA881X_TEMP_ADC_CTRL, 0x00}, {WSA881X_ADC_SEL_IBIAS, 0x25}, {WSA881X_SPKR_DRV_GAIN, 0x01}, {WSA881X_SPKR_DAC_CTL, 0x40}, {WSA881X_SPKR_BBM_CTL, 0x00}, {WSA881X_SPKR_MISC_CTL1, 0x80}, {WSA881X_SPKR_MISC_CTL2, 0x00}, {WSA881X_SPKR_BIAS_INT, 0x56}, {WSA881X_SPKR_BIAS_PSRR, 0x54}, {WSA881X_BOOST_PS_CTL, 0xC0}, {WSA881X_BOOST_PRESET_OUT1, 0x77}, {WSA881X_BOOST_LOOP_STABILITY, 0xAD}, {WSA881X_SPKR_PROT_ATEST2, 0x00}, {WSA881X_BONGO_RESRV_REG1, 0x00}, {WSA881X_BONGO_RESRV_REG2, 0x00}, }; /* Default register reset values for WSA881x rev 2.0 */ static struct reg_default wsa881x_rev_2_0[] = { {WSA881X_RESET_CTL, 0x00}, {WSA881X_TADC_VALUE_CTL, 0x01}, {WSA881X_INTR_MASK, 0x1B}, {WSA881X_IOPAD_CTL, 0x00}, {WSA881X_OTP_REG_28, 0x3F}, {WSA881X_OTP_REG_29, 0x3F}, {WSA881X_OTP_REG_30, 0x01}, {WSA881X_OTP_REG_31, 0x01}, {WSA881X_TEMP_ADC_CTRL, 0x03}, {WSA881X_ADC_SEL_IBIAS, 0x45}, {WSA881X_SPKR_DRV_GAIN, 0xC1}, {WSA881X_SPKR_DAC_CTL, 0x42}, {WSA881X_SPKR_BBM_CTL, 0x02}, {WSA881X_SPKR_MISC_CTL1, 0x40}, {WSA881X_SPKR_MISC_CTL2, 0x07}, {WSA881X_SPKR_BIAS_INT, 0x5F}, {WSA881X_SPKR_BIAS_PSRR, 0x44}, {WSA881X_BOOST_PS_CTL, 0xA0}, {WSA881X_BOOST_PRESET_OUT1, 0xB7}, {WSA881X_BOOST_LOOP_STABILITY, 0x8D}, {WSA881X_SPKR_PROT_ATEST2, 0x02}, {WSA881X_BONGO_RESRV_REG1, 0x5E}, {WSA881X_BONGO_RESRV_REG2, 0x07}, }; /* * wsa881x_regmap_defaults - update regmap default register values * @regmap: pointer to regmap structure * @version: wsa881x version id * * Update regmap default register values based on version id * */ void wsa881x_regmap_defaults(struct regmap *regmap, u8 version) { u16 ret = 0; if (!regmap) { pr_debug("%s: regmap structure is NULL\n", __func__); return; } switch (version) { case WSA881X_1_X: regcache_cache_only(regmap, true); ret = regmap_multi_reg_write(regmap, wsa881x_rev_1_x, ARRAY_SIZE(wsa881x_rev_1_x)); regcache_cache_only(regmap, false); break; case WSA881X_2_0: regcache_cache_only(regmap, true); ret = regmap_multi_reg_write(regmap, wsa881x_rev_2_0, ARRAY_SIZE(wsa881x_rev_2_0)); regcache_cache_only(regmap, false); break; default: pr_debug("%s: unknown version", __func__); ret = -EINVAL; break; } if (ret) pr_debug("%s: Failed to update regmap defaults ret= %d\n", __func__, ret); } EXPORT_SYMBOL(wsa881x_regmap_defaults); static bool wsa881x_readable_register(struct device *dev, unsigned int reg) { return wsa881x_reg_readable[reg]; } static bool wsa881x_volatile_register(struct device *dev, unsigned int reg) { switch (reg) { case WSA881X_CHIP_ID0: case WSA881X_CHIP_ID1: case WSA881X_CHIP_ID2: case WSA881X_CHIP_ID3: case WSA881X_BUS_ID: case WSA881X_TEMP_MSB: case WSA881X_TEMP_LSB: case WSA881X_SDM_PDM9_LSB: case WSA881X_SDM_PDM9_MSB: case WSA881X_OTP_CTRL1: case WSA881X_INTR_STATUS: case WSA881X_ATE_TEST_MODE: case WSA881X_PIN_STATUS: case WSA881X_SWR_HM_TEST2: case WSA881X_SPKR_STATUS1: case WSA881X_SPKR_STATUS2: case WSA881X_SPKR_STATUS3: case WSA881X_OTP_REG_0: case WSA881X_OTP_REG_1: case WSA881X_OTP_REG_2: case WSA881X_OTP_REG_3: case WSA881X_OTP_REG_4: case WSA881X_OTP_REG_5: case WSA881X_OTP_REG_31: case WSA881X_TEMP_DOUT_MSB: case WSA881X_TEMP_DOUT_LSB: case WSA881X_TEMP_OP: case WSA881X_SPKR_PROT_SAR: return true; default: return false; } } struct regmap_config wsa881x_regmap_config = { .reg_bits = 16, .val_bits = 8, .cache_type = REGCACHE_RBTREE, .reg_defaults = wsa881x_defaults, .num_reg_defaults = ARRAY_SIZE(wsa881x_defaults), .max_register = WSA881X_MAX_REGISTER, .volatile_reg = wsa881x_volatile_register, .readable_reg = wsa881x_readable_register, .reg_format_endian = REGMAP_ENDIAN_NATIVE, .val_format_endian = REGMAP_ENDIAN_NATIVE, .can_multi_write = true, };