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/* Copyright 2020 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.
*
* PS8811 retimer.
*/
#include "usb_mux.h"
#ifndef __CROS_EC_USB_RETIMER_PS8811_H
#define __CROS_EC_USB_RETIMER_PS8811_H
/*
* PS8811 uses 7-bit I2C addresses 0x28 to 0x29 (ADDR=LL).
* Page 0 = 0x28, Page 1 = 0x29.
* PS8811 uses 7-bit I2C addresses 0x2A to 0x2B (ADDR=LH).
* Page 0 = 0x2A, Page 1 = 0x2B.
* PS8811 uses 7-bit I2C addresses 0x70 to 0x71 (ADDR=HL).
* Page 0 = 0x70, Page 1 = 0x71.
* PS8811 uses 7-bit I2C addresses 0x72 to 0x73 (ADDR=HH).
* Page 0 = 0x72, Page 1 = 0x73.
*/
#define PS8811_I2C_ADDR_FLAGS0 0x28
#define PS8811_I2C_ADDR_FLAGS1 0x2A
#define PS8811_I2C_ADDR_FLAGS2 0x70
#define PS8811_I2C_ADDR_FLAGS3 0x72
/*
* PAGE 1 Register Definitions
*/
#define PS8811_REG_PAGE1 0x01
#define PS8811_REG1_USB_BEQ_LEVEL 0x05
#define PS8811_BEQ_PIN_LEVEL_UP_9DB 0x00
#define PS8811_BEQ_PIN_LEVEL_UP_10_5DB 0x01
#define PS8811_BEQ_PIN_LEVEL_UP_12DB 0x02
#define PS8811_BEQ_PIN_LEVEL_UP_13DB 0x03
#define PS8811_BEQ_PIN_LEVEL_UP_16DB 0x04
#define PS8811_BEQ_PIN_LEVEL_UP_17DB 0x05
#define PS8811_BEQ_PIN_LEVEL_UP_18DB 0x06
#define PS8811_BEQ_PIN_LEVEL_UP_19DB 0x07
#define PS8811_BEQ_PIN_LEVEL_UP_20DB 0x08
#define PS8811_BEQ_PIN_LEVEL_UP_21DB 0x09
#define PS8811_BEQ_PIN_LEVEL_UP_23DB 0x0A
#define PS8811_BEQ_I2C_LEVEL_UP_9DB 0x00
#define PS8811_BEQ_I2C_LEVEL_UP_10_5DB 0x10
#define PS8811_BEQ_I2C_LEVEL_UP_12DB 0x20
#define PS8811_BEQ_I2C_LEVEL_UP_13DB 0x30
#define PS8811_BEQ_I2C_LEVEL_UP_16DB 0x40
#define PS8811_BEQ_I2C_LEVEL_UP_17DB 0x50
#define PS8811_BEQ_I2C_LEVEL_UP_18DB 0x60
#define PS8811_BEQ_I2C_LEVEL_UP_19DB 0x70
#define PS8811_BEQ_I2C_LEVEL_UP_20DB 0x80
#define PS8811_BEQ_I2C_LEVEL_UP_21DB 0x90
#define PS8811_BEQ_I2C_LEVEL_UP_23DB 0xA0
#define PS8811_REG1_USB_BEQ_CONFIG 0x06
#define PS8811_BEQ_CONFIG_REG_ENABLE BIT(0)
#define PS8811_REG1_USB_CHAN_A_SWING 0x66
#define PS8811_CHAN_A_SWING_MASK GENMASK(6, 4)
#define PS8811_CHAN_A_SWING_SHIFT 4
#define PS8811_REG1_USB_CHAN_B_SWING 0xA4
#define PS8811_CHAN_B_SWING_MASK GENMASK(2, 0)
#define PS8811_CHAN_B_SWING_SHIFT 0
/* De-emphasis -2.2 dB, Pre-shoot 1.2 dB */
#define PS8811_CHAN_B_DE_2_2_PS_1_2_LSB 0x1
#define PS8811_CHAN_B_DE_2_2_PS_1_2_MSB 0x13
/* De-emphasis -3.5 dB, Pre-shoot 0 dB */
#define PS8811_CHAN_B_DE_3_5_PS_0_LSB 0x0
#define PS8811_CHAN_B_DE_3_5_PS_0_MSB 0x5
/* De-emphasis -4.5 dB, Pre-shoot 0 dB */
#define PS8811_CHAN_B_DE_4_5_PS_0_LSB 0x0
#define PS8811_CHAN_B_DE_4_5_PS_0_MSB 0x6
/* De-emphasis -6 dB, Pre-shoot 1.5 dB */
#define PS8811_CHAN_B_DE_6_PS_1_5_LSB 0x2
#define PS8811_CHAN_B_DE_6_PS_1_5_MSB 0x16
/* De-emphasis -6 dB, Pre-shoot 3 dB */
#define PS8811_CHAN_B_DE_6_PS_3_LSB 0x4
#define PS8811_CHAN_B_DE_6_PS_3_MSB 0x16
#define PS8811_REG1_USB_CHAN_B_DE_PS_LSB 0xA5
#define PS8811_CHAN_B_DE_PS_LSB_MASK GENMASK(2, 0)
#define PS8811_REG1_USB_CHAN_B_DE_PS_MSB 0xA6
#define PS8811_CHAN_B_DE_PS_MSB_MASK GENMASK(5, 0)
int ps8811_i2c_read(const struct usb_mux *me, int page, int offset, int *data);
int ps8811_i2c_write(const struct usb_mux *me, int page, int offset, int data);
int ps8811_i2c_field_update(const struct usb_mux *me, int page, int offset,
uint8_t field_mask, uint8_t set_value);
#endif /* __CROS_EC_USB_RETIMER_PS8802_H */
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