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/* Copyright 2019 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* PS8818 retimer.
*/
#include "usb_mux.h"
#ifndef __CROS_EC_USB_RETIMER_PS8818_H
#define __CROS_EC_USB_RETIMER_PS8818_H
#define PS8818_I2C_ADDR_FLAGS 0x28
/*
* PAGE 0 Register Definitions
*/
#define PS8818_REG_PAGE0 0x00
#define PS8818_REG0_FLIP 0x00
#define PS8818_FLIP_CONFIG BIT(7)
#define PS8818_FLIP_NON_RESERVED_MASK 0xE0
#define PS8818_REG0_MODE 0x01
#define PS8818_MODE_DP_ENABLE BIT(7)
#define PS8818_MODE_USB_ENABLE BIT(6)
#define PS8818_MODE_NON_RESERVED_MASK 0xC0
#define PS8818_REG0_DPHPD_CONFIG 0x02
#define PS8818_DPHPD_CONFIG_INHPD_DISABLE BIT(7)
#define PS8818_DPHPD_PLUGGED BIT(6)
#define PS8818_DPHPD_NON_RESERVED_MASK 0xFC
/*
* PAGE 1 Register Definitions
*/
#define PS8818_REG_PAGE1 0x01
#define PS8818_REG1_APTX1EQ_10G_LEVEL 0x00
#define PS8818_REG1_APTX2EQ_10G_LEVEL 0x02
#define PS8818_REG1_CRX1EQ_10G_LEVEL 0x08
#define PS8818_REG1_CRX2EQ_10G_LEVEL 0x0A
#define PS8818_REG1_APRX1_DE_LEVEL 0x0C
#define PS8818_REG1_APTX1EQ_5G_LEVEL 0x70
#define PS8818_REG1_APTX2EQ_5G_LEVEL 0x72
#define PS8818_REG1_CRX1EQ_5G_LEVEL 0x78
#define PS8818_REG1_CRX2EQ_5G_LEVEL 0x7A
#define PS8818_EQ_LEVEL_UP_9DB (0)
#define PS8818_EQ_LEVEL_UP_10DB (1)
#define PS8818_EQ_LEVEL_UP_12DB (2)
#define PS8818_EQ_LEVEL_UP_13DB (3)
#define PS8818_EQ_LEVEL_UP_16DB (4)
#define PS8818_EQ_LEVEL_UP_17DB (5)
#define PS8818_EQ_LEVEL_UP_18DB (6)
#define PS8818_EQ_LEVEL_UP_19DB (7)
#define PS8818_EQ_LEVEL_UP_20DB (8)
#define PS8818_EQ_LEVEL_UP_21DB (9)
#define PS8818_EQ_LEVEL_UP_MASK (0x0F)
#define PS8818_REG1_RX_PHY 0x6D
#define PS8818_RX_INPUT_TERM_112_OHM (0 << 6)
#define PS8818_RX_INPUT_TERM_104_OHM (1 << 6)
#define PS8818_RX_INPUT_TERM_96_OHM (2 << 6)
#define PS8818_RX_INPUT_TERM_85_OHM (3 << 6)
#define PS8818_RX_INPUT_TERM_MASK (3 << 6)
#define PS8818_REG1_DPEQ_LEVEL 0xB6
#define PS8818_DPEQ_LEVEL_UP_9DB (0 << 3)
#define PS8818_DPEQ_LEVEL_UP_10DB (1 << 3)
#define PS8818_DPEQ_LEVEL_UP_12DB (2 << 3)
#define PS8818_DPEQ_LEVEL_UP_13DB (3 << 3)
#define PS8818_DPEQ_LEVEL_UP_16DB (4 << 3)
#define PS8818_DPEQ_LEVEL_UP_17DB (5 << 3)
#define PS8818_DPEQ_LEVEL_UP_18DB (6 << 3)
#define PS8818_DPEQ_LEVEL_UP_19DB (7 << 3)
#define PS8818_DPEQ_LEVEL_UP_20DB (8 << 3)
#define PS8818_DPEQ_LEVEL_UP_21DB (9 << 3)
#define PS8818_DPEQ_LEVEL_UP_MASK (0x0F << 3)
/*
* PAGE 2 Register Definitions
*/
#define PS8818_REG_PAGE2 0x02
#define PS8818_REG2_TX_STATUS 0x42
#define PS8818_REG2_RX_STATUS 0x46
#define PS8818_STATUS_NORMAL_OPERATION BIT(7)
#define PS8818_STATUS_10_GBPS BIT(5)
extern const struct usb_mux_driver ps8818_usb_retimer_driver;
int ps8818_i2c_read(const struct usb_mux *me, int page, int offset, int *data);
int ps8818_i2c_write(const struct usb_mux *me, int page, int offset, int data);
int ps8818_i2c_field_update8(const struct usb_mux *me, int page, int offset,
uint8_t field_mask, uint8_t set_value);
#endif /* __CROS_EC_USB_RETIMER_PS8818_H */
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