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/* Copyright 2017 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.
*/
#include "usb_mux.h"
#include "driver/tcpm/ps8xxx_public.h"
/* Parade Tech Type-C port controller */
#ifndef __CROS_EC_USB_PD_TCPM_PS8XXX_H
#define __CROS_EC_USB_PD_TCPM_PS8XXX_H
#define PS8751_P3_TO_P0_FLAGS(p3_flags) ((p3_flags) - 3)
#define PS8751_P3_TO_P1_FLAGS(p3_flags) ((p3_flags) - 2)
#define PS8751_BIST_TIMER_FREQ 15000000
#define PS8751_BIST_DELAY_MS 50
#define PS8751_BIST_COUNTER (PS8751_BIST_TIMER_FREQ / MSEC \
* PS8751_BIST_DELAY_MS)
#define PS8751_BIST_COUNTER_BYTE0 (PS8751_BIST_COUNTER & 0xff)
#define PS8751_BIST_COUNTER_BYTE1 ((PS8751_BIST_COUNTER >> 8) & 0xff)
#define PS8751_BIST_COUNTER_BYTE2 ((PS8751_BIST_COUNTER >> 16) & 0xff)
#define PS8XXX_REG_RP_DETECT_CONTROL 0x9B
#define RP_DETECT_DISABLE 0x30
#define PS8XXX_REG_I2C_DEBUGGING_ENABLE 0xA0
#define PS8XXX_REG_I2C_DEBUGGING_ENABLE_ON 0x30
#define PS8XXX_REG_I2C_DEBUGGING_ENABLE_OFF 0x31 /* default */
#define PS8XXX_REG_BIST_CONT_MODE_BYTE0 0xBC
#define PS8XXX_REG_BIST_CONT_MODE_BYTE1 0xBD
#define PS8XXX_REG_BIST_CONT_MODE_BYTE2 0xBE
#define PS8XXX_REG_BIST_CONT_MODE_CTR 0xBF
#define PS8XXX_REG_DET_CTRL0 0x08
#define PS8XXX_REG_MUX_USB_DCI_CFG_MODE_MASK 0xC0
#define PS8XXX_REG_MUX_USB_DCI_CFG_MODE_OFF 0x80
#define MUX_IN_HPD_ASSERTION_REG 0xD0
#define IN_HPD BIT(0)
#define HPD_IRQ BIT(1)
#define PS8XXX_P1_REG_MUX_USB_DCI_CFG 0x4B
#define PS8755_P0_REG_SM 0x06
#define PS8755_P0_REG_SM_VALUE 0x80
#if defined(CONFIG_USB_PD_TCPM_PS8751)
/* Vendor defined registers */
#define PS8XXX_REG_VENDOR_ID_L 0x00
#define PS8XXX_REG_VENDOR_ID_H 0x01
#define PS8XXX_REG_MUX_DP_EQ_CONFIGURATION 0xD3
#define PS8XXX_REG_MUX_DP_OUTPUT_CONFIGURATION 0xD4
#define PS8XXX_REG_MUX_USB_C2SS_EQ 0xE7
#define PS8XXX_REG_MUX_USB_C2SS_HS_THRESHOLD 0xE8
#define PS8751_REG_MUX_USB_DCI_CFG 0xED
#endif
/* Vendor defined registers */
#define PS8815_P1_REG_HW_REVISION 0xF0
/*
* Below register is defined from Parade PS8815 Register Table,
* See b:189587527 for more detail.
*/
/* Displayport related settings */
#define PS8815_REG_DP_EQ_SETTING 0xF8
#define PS8815_AUTO_EQ_DISABLE BIT(7)
#define PS8815_DPEQ_LOSS_UP_21DB 0x09
#define PS8815_DPEQ_LOSS_UP_20DB 0x08
#define PS8815_DPEQ_LOSS_UP_19DB 0x07
#define PS8815_DPEQ_LOSS_UP_18DB 0x06
#define PS8815_DPEQ_LOSS_UP_17DB 0x05
#define PS8815_DPEQ_LOSS_UP_16DB 0x04
#define PS8815_DPEQ_LOSS_UP_13DB 0x03
#define PS8815_DPEQ_LOSS_UP_12DB 0x02
#define PS8815_DPEQ_LOSS_UP_10DB 0x01
#define PS8815_DPEQ_LOSS_UP_9DB 0x00
#define PS8815_REG_DP_EQ_COMP_SHIFT 3
#define PS8815_AUX_INTERCEPTION_DISABLE BIT(1)
/*
* PS8805 register to distinguish chip revision
* bit 7-4: 1010b is A3 chip, 0000b is A2 chip
*/
#define PS8805_P0_REG_CHIP_REVISION 0x62
/*
* PS8805 GPIO control register. Note the device I2C address of 0x1A is
* independent of the ADDR pin on the chip, and not the same address being used
* for TCPCI functions.
*/
#define PS8805_VENDOR_DEFINED_I2C_ADDR 0x1A
#define PS8805_REG_GPIO_CONTROL 0x21
#define PS8805_REG_GPIO_0 BIT(7)
#define PS8805_REG_GPIO_1 BIT(5)
#define PS8805_REG_GPIO_2 BIT(6)
enum ps8805_gpio {
PS8805_GPIO_0,
PS8805_GPIO_1,
PS8805_GPIO_2,
PS8805_GPIO_NUM,
};
/**
* Set PS8805 gpio signal to desired level
*
* @param port: The Type-C port number.
* @param signal PS8805 gpio number (0, 1, or 2)
* @param level desired level
* @return EC_SUCCESS if I2C accesses are successful
*/
int ps8805_gpio_set_level(int port, enum ps8805_gpio signal, int level);
/**
* Get PS8805 gpio signal value
*
* @param port: The Type-C port number.
* @param signal PS8805 gpio number (0, 1, or 2)
* @param pointer location to store gpio level
* @return EC_SUCCESS if I2C accesses are successful
*/
int ps8805_gpio_get_level(int port, enum ps8805_gpio signal, int *level);
/**
* Check if the chip is PS8755
*
* @param port: The Type-C port number.
* @return true if hidden register sm is 0x80
*/
bool check_ps8755_chip(int port);
/*
* Allow boards to customize for PS8XXX initial if board has
* specific settings.
*
* @param port: The Type-C port number.
*/
__override_proto void board_ps8xxx_tcpc_init(int port);
#endif /* defined(__CROS_EC_USB_PD_TCPM_PS8XXX_H) */
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