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/* Copyright 2021 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* ANX7451: 10G Active Mux (4x4) with
* Integrated Re-timers for USB3.2/DisplayPort
*/
#ifndef __CROS_EC_USB_MUX_ANX7451_H
#define __CROS_EC_USB_MUX_ANX7451_H
#include "usb_mux.h"
/* I2C interface addresses */
#define ANX7451_I2C_ADDR0_FLAGS 0x10
#define ANX7451_I2C_ADDR1_FLAGS 0x14
#define ANX7451_I2C_ADDR2_FLAGS 0x16
#define ANX7451_I2C_ADDR3_FLAGS 0x11
/* This register is not documented in datasheet. */
#define ANX7451_REG_POWER_CNTRL 0x2B
#define ANX7451_POWER_CNTRL_OFF 0xFF
/*
* Ultra low power control register.
* On ANX7451, this register should always be 0 (disabled).
* See figure 2-2 in family programming guide.
*/
#define ANX7451_REG_ULTRA_LOW_POWER 0xE6
/* #define ANX7451_ULTRA_LOW_POWER_EN 0x06 */
#define ANX7451_ULTRA_LOW_POWER_DIS 0x00
/* Mux control register */
#define ANX7451_REG_ULP_CFG_MODE 0xF8
#define ANX7451_ULP_CFG_MODE_EN BIT(4)
#define ANX7451_ULP_CFG_MODE_SWAP BIT(3)
#define ANX7451_ULP_CFG_MODE_FLIP BIT(2)
#define ANX7451_ULP_CFG_MODE_DP_EN BIT(1)
#define ANX7451_ULP_CFG_MODE_USB_EN BIT(0)
/* Register to set USB I2C address, defaults to 0x29 (7-bit) */
#define ANX7451_REG_USB_I2C_ADDR 0x38
/* ANX7451 AUX FLIP control */
#define ANX7451_REG_USB_AUX_FLIP_CTRL 0xA4
#define ANX7451_USB_AUX_FLIP_EN 0x20
extern const struct usb_mux_driver anx7451_usb_mux_driver;
/*
* ANX7451 uses a separate i2c address for USB configuration registers.
* This address is not controlled by address straps and defaults to 0x29.
* This address may conflict with other ANX74* parts. Implement
* board_anx7451_get_usb_i2c_addr to set a non-conflicting 7-bit address.
*/
uint16_t board_anx7451_get_usb_i2c_addr(const struct usb_mux *me);
#endif /* __CROS_EC_USB_MUX_ANX7451_H */
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