1/* SPDX-License-Identifier: GPL-2.0+ */ 2/* 3 * Copyright 2022 Google, Inc 4 * 5 * MAXIM TCPC header file. 6 */ 7#ifndef TCPCI_MAXIM_H_ 8#define TCPCI_MAXIM_H_ 9 10#define VENDOR_CC_STATUS2 0x85 11#define CC1_VUFP_RD0P5 BIT(1) 12#define CC2_VUFP_RD0P5 BIT(5) 13#define TCPC_VENDOR_FLADC_STATUS 0x89 14 15#define TCPC_VENDOR_CC_CTRL1 0x8c 16#define CCCONNDRY BIT(7) 17#define CCCOMPEN BIT(5) 18 19#define TCPC_VENDOR_CC_CTRL2 0x8d 20#define SBUOVPDIS BIT(7) 21#define CCOVPDIS BIT(6) 22#define SBURPCTRL BIT(5) 23#define CCLPMODESEL_MASK GENMASK(4, 3) 24#define ULTRA_LOW_POWER_MODE BIT(3) 25#define CCRPCTRL_MASK GENMASK(2, 0) 26#define UA_1_SRC 1 27#define UA_80_SRC 3 28 29#define TCPC_VENDOR_CC_CTRL3 0x8e 30#define CCWTRDEB_MASK GENMASK(7, 6) 31#define CCWTRDEB_SHIFT 6 32#define CCWTRDEB_1MS 1 33#define CCWTRSEL_MASK GENMASK(5, 3) 34#define CCWTRSEL_SHIFT 3 35#define CCWTRSEL_1V 0x4 36#define CCLADDERDIS BIT(2) 37#define WTRCYCLE_MASK BIT(0) 38#define WTRCYCLE_SHIFT 0 39#define WTRCYCLE_2_4_S 0 40#define WTRCYCLE_4_8_S 1 41 42#define TCPC_VENDOR_ADC_CTRL1 0x91 43#define ADCINSEL_MASK GENMASK(7, 5) 44#define ADC_CHANNEL_OFFSET 5 45#define ADCEN BIT(0) 46 47enum contamiant_state { 48 NOT_DETECTED, 49 DETECTED, 50 SINK, 51}; 52 53/* 54 * @potential_contaminant: 55 * Last returned result to tcpm indicating whether the TCPM port 56 * has potential contaminant. 57 */ 58struct max_tcpci_chip { 59 struct tcpci_data data; 60 struct tcpci *tcpci; 61 struct device *dev; 62 struct i2c_client *client; 63 struct tcpm_port *port; 64 enum contamiant_state contaminant_state; 65 bool veto_vconn_swap; 66}; 67 68static inline int max_tcpci_read16(struct max_tcpci_chip *chip, unsigned int reg, u16 *val) 69{ 70 return regmap_raw_read(chip->data.regmap, reg, val, sizeof(u16)); 71} 72 73static inline int max_tcpci_write16(struct max_tcpci_chip *chip, unsigned int reg, u16 val) 74{ 75 return regmap_raw_write(chip->data.regmap, reg, &val, sizeof(u16)); 76} 77 78static inline int max_tcpci_read8(struct max_tcpci_chip *chip, unsigned int reg, u8 *val) 79{ 80 return regmap_raw_read(chip->data.regmap, reg, val, sizeof(u8)); 81} 82 83static inline int max_tcpci_write8(struct max_tcpci_chip *chip, unsigned int reg, u8 val) 84{ 85 return regmap_raw_write(chip->data.regmap, reg, &val, sizeof(u8)); 86} 87 88bool max_contaminant_is_contaminant(struct max_tcpci_chip *chip, bool disconnect_while_debounce); 89 90#endif // TCPCI_MAXIM_H_ 91