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/* 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;
};
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_
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