diff options
Diffstat (limited to 'sound/soc/codecs/wsa881x-regmap.c')
| -rw-r--r-- | sound/soc/codecs/wsa881x-regmap.c | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/sound/soc/codecs/wsa881x-regmap.c b/sound/soc/codecs/wsa881x-regmap.c new file mode 100644 index 000000000000..63bbbfa6beab --- /dev/null +++ b/sound/soc/codecs/wsa881x-regmap.c @@ -0,0 +1,266 @@ +/* + * Copyright (c) 2015-2016, 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 <linux/regmap.h> +#include <linux/device.h> +#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 2.0 */ +static struct reg_sequence wsa881x_rev_2_0[] = { + {WSA881X_RESET_CTL, 0x00, 0x00}, + {WSA881X_TADC_VALUE_CTL, 0x01, 0x00}, + {WSA881X_INTR_MASK, 0x1B, 0x00}, + {WSA881X_IOPAD_CTL, 0x00, 0x00}, + {WSA881X_OTP_REG_28, 0x3F, 0x00}, + {WSA881X_OTP_REG_29, 0x3F, 0x00}, + {WSA881X_OTP_REG_30, 0x01, 0x00}, + {WSA881X_OTP_REG_31, 0x01, 0x00}, + {WSA881X_TEMP_ADC_CTRL, 0x03, 0x00}, + {WSA881X_ADC_SEL_IBIAS, 0x45, 0x00}, + {WSA881X_SPKR_DRV_GAIN, 0xC1, 0x00}, + {WSA881X_SPKR_DAC_CTL, 0x42, 0x00}, + {WSA881X_SPKR_BBM_CTL, 0x02, 0x00}, + {WSA881X_SPKR_MISC_CTL1, 0x40, 0x00}, + {WSA881X_SPKR_MISC_CTL2, 0x07, 0x00}, + {WSA881X_SPKR_BIAS_INT, 0x5F, 0x00}, + {WSA881X_SPKR_BIAS_PSRR, 0x44, 0x00}, + {WSA881X_BOOST_PS_CTL, 0xA0, 0x00}, + {WSA881X_BOOST_PRESET_OUT1, 0xB7, 0x00}, + {WSA881X_BOOST_LOOP_STABILITY, 0x8D, 0x00}, + {WSA881X_SPKR_PROT_ATEST2, 0x02, 0x00}, + {WSA881X_BONGO_RESRV_REG1, 0x5E, 0x00}, + {WSA881X_BONGO_RESRV_REG2, 0x07, 0x00}, +}; + +/* + * 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; + } + + 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); + + 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, +}; |