| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Copyright 2022 Google, Inc |
| * |
| * MAXIM TCPC header file. |
| */ |
| #ifndef TCPCI_MAXIM_H_ |
| #define TCPCI_MAXIM_H_ |
| |
| #define VENDOR_CC_STATUS2 0x85 |
| #define CC1_VUFP_RD0P5 BIT(1) |
| #define CC2_VUFP_RD0P5 BIT(5) |
| #define TCPC_VENDOR_FLADC_STATUS 0x89 |
| |
| #define TCPC_VENDOR_CC_CTRL1 0x8c |
| #define CCCONNDRY BIT(7) |
| #define CCCOMPEN BIT(5) |
| |
| #define TCPC_VENDOR_CC_CTRL2 0x8d |
| #define SBUOVPDIS BIT(7) |
| #define CCOVPDIS BIT(6) |
| #define SBURPCTRL BIT(5) |
| #define CCLPMODESEL_MASK GENMASK(4, 3) |
| #define ULTRA_LOW_POWER_MODE BIT(3) |
| #define CCRPCTRL_MASK GENMASK(2, 0) |
| #define UA_1_SRC 1 |
| #define UA_80_SRC 3 |
| |
| #define TCPC_VENDOR_CC_CTRL3 0x8e |
| #define CCWTRDEB_MASK GENMASK(7, 6) |
| #define CCWTRDEB_SHIFT 6 |
| #define CCWTRDEB_1MS 1 |
| #define CCWTRSEL_MASK GENMASK(5, 3) |
| #define CCWTRSEL_SHIFT 3 |
| #define CCWTRSEL_1V 0x4 |
| #define CCLADDERDIS BIT(2) |
| #define WTRCYCLE_MASK BIT(0) |
| #define WTRCYCLE_SHIFT 0 |
| #define WTRCYCLE_2_4_S 0 |
| #define WTRCYCLE_4_8_S 1 |
| |
| #define TCPC_VENDOR_ADC_CTRL1 0x91 |
| #define ADCINSEL_MASK GENMASK(7, 5) |
| #define ADC_CHANNEL_OFFSET 5 |
| #define ADCEN BIT(0) |
| |
| enum contamiant_state { |
| NOT_DETECTED, |
| DETECTED, |
| SINK, |
| }; |
| |
| /* |
| * @potential_contaminant: |
| * Last returned result to tcpm indicating whether the TCPM port |
| * has potential contaminant. |
| */ |
| struct max_tcpci_chip { |
| struct tcpci_data data; |
| struct tcpci *tcpci; |
| struct device *dev; |
| struct i2c_client *client; |
| struct tcpm_port *port; |
| enum contamiant_state contaminant_state; |
| bool veto_vconn_swap; |
| }; |
| |
| static inline int max_tcpci_read16(struct max_tcpci_chip *chip, unsigned int reg, u16 *val) |
| { |
| return regmap_raw_read(chip->data.regmap, reg, val, sizeof(u16)); |
| } |
| |
| static inline int max_tcpci_write16(struct max_tcpci_chip *chip, unsigned int reg, u16 val) |
| { |
| return regmap_raw_write(chip->data.regmap, reg, &val, sizeof(u16)); |
| } |
| |
| static inline int max_tcpci_read8(struct max_tcpci_chip *chip, unsigned int reg, u8 *val) |
| { |
| return regmap_raw_read(chip->data.regmap, reg, val, sizeof(u8)); |
| } |
| |
| static inline int max_tcpci_write8(struct max_tcpci_chip *chip, unsigned int reg, u8 val) |
| { |
| return regmap_raw_write(chip->data.regmap, reg, &val, sizeof(u8)); |
| } |
| |
| bool max_contaminant_is_contaminant(struct max_tcpci_chip *chip, bool disconnect_while_debounce); |
| |
| #endif // TCPCI_MAXIM_H_ |