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/* Copyright 2021 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Texas Instruments TDP142 DisplayPort Linear Redriver
*/
#ifndef __CROS_EC_REDRIVER_TDP142_H
#define __CROS_EC_REDRIVER_TDP142_H
#include "compile_time_macros.h"
/*
* Note: Since DP redrivers do not have a standard EC structure, define a
* TDP142_I2C_PORT and TDP142_I2C_ADDR in board.h
*/
#define TDP142_I2C_ADDR0 0x44
#define TDP142_I2C_ADDR1 0x47
#define TDP142_I2C_ADDR2 0x0C
#define TDP142_I2C_ADDR3 0x0F
/* Registers */
#define TDP142_REG_GENERAL 0x0A
#define TDP142_GENERAL_CTLSEL GENMASK(1, 0)
#define TDP142_GENERAL_HPDIN_OVRRIDE BIT(3)
#define TDP142_GENERAL_EQ_OVERRIDE BIT(4)
#define TDP142_GENERAL_SWAP_HPDIN BIT(5)
enum tdp142_ctlsel {
TDP142_CTLSEL_SHUTDOWN,
TDP142_CTLSEL_DISABLED,
TDP142_CTLSEL_ENABLED,
};
/* Control redriver enable */
enum ec_error_list tdp142_set_ctlsel(enum tdp142_ctlsel selection);
#endif /* __CROS_EC_REDRIVER_TDP142_H */
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