path: root/driver/tcpm/anx74xx.h

/* Copyright 2016 The ChromiumOS Authors
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 *
 * Author : Analogix Semiconductor.
 */

#include "usb_mux.h"

/* USB Power delivery port management */

#ifndef __CROS_EC_USB_PD_TCPM_ANX74XX_H
#define __CROS_EC_USB_PD_TCPM_ANX74XX_H

/* I2C interface */
#define ANX74XX_I2C_ADDR1_FLAGS 0x28
#define ANX74XX_I2C_ADDR2_FLAGS 0x39
#define ANX74XX_I2C_ADDR3_FLAGS 0x3E
#define ANX74XX_I2C_ADDR4_FLAGS 0x40

#define ANX74XX_REG_IRQ_POL_LOW 0x00
#define ANX74XX_REG_IRQ_POL_HIGH 0x02

#define ANX74XX_REG_VENDOR_ID_L 0x00
#define ANX74XX_REG_VENDOR_ID_H 0x01
#define ANX74XX_VENDOR_ID 0xAAAA

/* ANX F/W version：0x50:0x44 which contains otp firmware version */
#define ANX74XX_REG_FW_VERSION 0x44

#define ANX74XX_REG_IRQ_STATUS 0x53

#define ANX74XX_REG_INTP_VCONN_CTRL 0x33
#define ANX74XX_REG_VCONN_DISABLE 0x0f
#define ANX74XX_REG_VCONN_1_ENABLE BIT(4)
#define ANX74XX_REG_VCONN_2_ENABLE BIT(5)
#define ANX74XX_REG_R_INTERRUPT_OPEN_DRAIN BIT(2)

#define ANX74XX_STANDBY_MODE (0)
#define ANX74XX_NORMAL_MODE (1)

#define ANX74XX_REG_TX_CTRL_1 0x81
#define ANX74XX_REG_TX_HARD_RESET_REQ BIT(1)
#define ANX74XX_REG_TX_CABLE_RESET_REQ BIT(2)

#define ANX74XX_REG_TX_CTRL_2 0x82
#define ANX74XX_REG_TX_WR_FIFO 0x83
#define ANX74XX_REG_TX_FIFO_CTRL 0x9a
#define ANX74XX_REG_TX_HEADER_L 0x2c
#define ANX74XX_REG_TX_HEADER_H 0x2d
#define ANX74XX_REG_TX_START_ADDR_0 0x6d
#define ANX74XX_REG_TX_START_ADDR_1 0xd0

#define ANX74XX_REG_CTRL_COMMAND 0xdb
#define ANX74XX_REG_TX_SEND_DATA_REQ BIT(0)
#define ANX74XX_REG_TX_HARD_RST_REQ BIT(1)

#define ANX74XX_REG_TX_BIST_CTRL 0x9D
#define ANX74XX_REG_TX_BIST_MODE BIT(4)
#define ANX74XX_REG_TX_BIST_STOP BIT(3)
#define ANX74XX_REG_TX_BIXT_FOREVER BIT(2)
#define ANX74XX_REG_TX_BIST_ENABLE BIT(1)
#define ANX74XX_REG_TX_BIST_START BIT(0)

#define ANX74XX_REG_PD_HEADER 0x69
#define ANX74XX_REG_PD_RX_DATA_OBJ 0x11
#define ANX74XX_REG_PD_RX_DATA_OBJ_M 0x4d

#define ANX74XX_REG_ANALOG_STATUS 0x40
#define ANX74XX_REG_VBUS_STATUS BIT(4)
#define ANX74XX_REG_CC_PULL_RD 0xfd
#define ANX74XX_REG_CC_PULL_RP 0x02

#define ANX74XX_REG_TX_AUTO_GOODCRC_2 0x94
#define ANX74XX_REG_REPLY_SOP_EN BIT(3)
#define ANX74XX_REG_REPLY_SOP_1_EN BIT(4)
#define ANX74XX_REG_REPLY_SOP_2_EN BIT(5)

#define ANX74XX_REG_TX_AUTO_GOODCRC_1 0x9c
#define ANX74XX_REG_SPEC_REV_BIT_POS (3)
#define ANX74XX_REG_DATA_ROLE_BIT_POS (2)
#define ANX74XX_REG_PWR_ROLE_BIT_POS (1)
#define ANX74XX_REG_AUTO_GOODCRC_EN BIT(0)
#define ANX74XX_REG_AUTO_GOODCRC_SET(drole, prole)    \
	((PD_REV20 << ANX74XX_REG_SPEC_REV_BIT_POS) | \
	 ((drole) << ANX74XX_REG_DATA_ROLE_BIT_POS) | \
	 ((prole) << ANX74XX_REG_PWR_ROLE_BIT_POS) |  \
	 ANX74XX_REG_AUTO_GOODCRC_EN)

#define ANX74XX_REG_ANALOG_CTRL_0 0x41
#define ANX74XX_REG_R_PIN_CABLE_DET BIT(7)

#define ANX74XX_REG_ANALOG_CTRL_1 0x42
#define ANX74XX_REG_ANALOG_CTRL_5 0x46
#define ANX74XX_REG_ANALOG_CTRL_6 0x47
#define ANX74XX_REG_CC_PULL_RP_36K 0x00
#define ANX74XX_REG_CC_PULL_RP_12K 0x01
#define ANX74XX_REG_CC_PULL_RP_4K 0x02

#define ANX74XX_REG_R_SWITCH_CC_CLR 0x0f
#define ANX74XX_REG_R_SWITCH_CC2_SET 0x10
#define ANX74XX_REG_R_SWITCH_CC1_SET 0x20
#define ANX74XX_REG_AUX_SWAP_SET_CC1 0x30
#define ANX74XX_REG_AUX_SWAP_SET_CC2 0xc0

#define ANX74XX_REG_ANALOG_CTRL_11 0x4c
#define ANX74XX_REG_ANALOG_CTRL_12 0x4d

#define ANX74XX_REG_MUX_ML0_RX2 BIT(0)
#define ANX74XX_REG_MUX_ML0_RX1 BIT(1)
#define ANX74XX_REG_MUX_ML3_RX2 BIT(2)
#define ANX74XX_REG_MUX_ML3_RX1 BIT(3)
#define ANX74XX_REG_MUX_SSRX_RX2 BIT(4)
#define ANX74XX_REG_MUX_SSRX_RX1 BIT(5)
#define ANX74XX_REG_MUX_ML1_TX2 BIT(6)
#define ANX74XX_REG_MUX_ML1_TX1 BIT(7)

#define ANX74XX_REG_MUX_ML2_TX2 BIT(4)
#define ANX74XX_REG_MUX_ML2_TX1 BIT(5)
#define ANX74XX_REG_MUX_SSTX_TX2 BIT(6)
#define ANX74XX_REG_MUX_SSTX_TX1 BIT(7)

#define ANX74XX_REG_CC_SOFTWARE_CTRL 0x4a
#define ANX74XX_REG_CC_SW_CTRL_ENABLE 0x01
#define ANX74XX_REG_TX_MODE_ENABLE 0x04

#define ANX74XX_REG_SELECT_CC1 0x02

#define ANX74XX_REG_GPIO_CTRL_4_5 0x3f
#define ANX74XX_REG_VBUS_OP_ENABLE 0x04
#define ANX74XX_REG_VBUS_GPIO_MODE 0xfe

#define ANX74XX_REG_IRQ_EXT_MASK_1 0x3b
#define ANX74XX_REG_IRQ_EXT_MASK_2 0x3c
#define ANX74XX_REG_IRQ_EXT_SOURCE_1 0x3e
#define ANX74XX_REG_EXT_SOP BIT(6)
#define ANX74XX_REG_EXT_SOP_PRIME BIT(7)
#define ANX74XX_REG_IRQ_EXT_SOURCE_2 0x4e
#define ANX74XX_REG_EXT_SOP_PRIME_PRIME BIT(0)
#define ANX74XX_REG_EXT_HARD_RST BIT(2)
#define ANX74XX_REG_IRQ_EXT_SOURCE_3 0x4f
#define ANX74XX_REG_CLEAR_SOFT_IRQ BIT(2)

#define ANX74XX_REG_IRQ_SOURCE_RECV_MSG 0x6b
#define ANX74XX_REG_IRQ_CC_MSG_INT BIT(0)
#define ANX74XX_REG_IRQ_CC_STATUS_INT BIT(1)
#define ANX74XX_REG_IRQ_GOOD_CRC_INT BIT(2)
#define ANX74XX_REG_IRQ_TX_FAIL_INT BIT(3)
#define ANX74XX_REG_IRQ_SOURCE_RECV_MSG_MASK 0x6c

#define ANX74XX_REG_CLEAR_SET_BITS 0xff
#define ANX74XX_REG_ALERT_HARD_RST_RECV BIT(6)
#define ANX74XX_REG_ALERT_MSG_RECV BIT(5)
#define ANX74XX_REG_ALERT_TX_MSG_ERROR BIT(4)
#define ANX74XX_REG_ALERT_TX_ACK_RECV BIT(3)
#define ANX74XX_REG_ALERT_TX_CABLE_RESETOK BIT(2)
#define ANX74XX_REG_ALERT_TX_HARD_RESETOK BIT(1)
#define ANX74XX_REG_ALERT_CC_CHANGE BIT(0)

#define ANX74XX_REG_ANALOG_CTRL_2 0x43
#define ANX74XX_REG_MODE_TRANS 0x01

#define ANX74XX_REG_SET_VBUS 0x20

#define ANX74XX_REG_ANALOG_CTRL_7 0x48
#define ANX74XX_REG_STATUS_CC_RD 0x01
#define ANX74XX_REG_STATUS_CC_RA 0x03
#define ANX74XX_REG_STATUS_CC1(reg) ((reg & 0x0C) >> 2)
#define ANX74XX_REG_STATUS_CC2(reg) ((reg & 0x03) >> 0)

#define ANX74XX_REG_HPD_CONTROL 0xfd

#define ANX74XX_REG_HPD_CTRL_0 0x36
#define ANX74XX_REG_DISCHARGE_CTRL 0x80
#define ANX74XX_REG_HPD_OP_MODE 0x08
#define ANX74XX_REG_HPD_DEFAULT 0x00
#define ANX74XX_REG_HPD_OUT_DATA 0x10

#define ANX74XX_REG_RECVD_MSG_INT 0x98
#define ANX74XX_REG_CC_STATUS 0x99
#define ANX74XX_REG_CTRL_FW 0x2E
#define CLEAR_RX_BUFFER (1)
#define ANX74XX_REG_POWER_DOWN_CTRL 0x0d
#define ANX74XX_REG_STATUS_CC1_VRD_USB BIT(7)
#define ANX74XX_REG_STATUS_CC1_VRD_1P5 BIT(6)
#define ANX74XX_REG_STATUS_CC1_VRD_3P0 BIT(5)
#define ANX74XX_REG_STATUS_CC2_VRD_USB BIT(4)
#define ANX74XX_REG_STATUS_CC2_VRD_1P5 BIT(3)
#define ANX74XX_REG_STATUS_CC2_VRD_3P0 BIT(2)

/* defined in the inter-bock Spec: 4.2.10 CC Detect Status */
#define ANX74XX_REG_CC_STATUS_MASK 0xf
#define BIT_VALUE_OF_SRC_CC_RD 0x01
#define BIT_VALUE_OF_SRC_CC_RA 0x02
#define BIT_VALUE_OF_SNK_CC_DEFAULT 0x04
#define BIT_VALUE_OF_SNK_CC_1_P_5 0x08
#define BIT_VALUE_OF_SNK_CC_3_P_0 0x0C
#define ANX74XX_CC_RA_MASK \
	(BIT_VALUE_OF_SRC_CC_RA | (BIT_VALUE_OF_SRC_CC_RA << 4))
#define ANX74XX_CC_RD_MASK \
	(BIT_VALUE_OF_SRC_CC_RD | (BIT_VALUE_OF_SRC_CC_RD << 4))

/*
 * RESETN low to PWR_EN low delay
 */
#define ANX74XX_RST_L_PWR_L_DELAY_MS 1
/*
 * minimum power off-to-on delay to reset chip
 */
#define ANX74XX_PWR_L_PWR_H_DELAY_MS 10
/*
 * parameter T4: PWR_EN high to RESETN high delay
 */
#define ANX74XX_PWR_H_RST_H_DELAY_MS 10

extern const struct tcpm_drv anx74xx_tcpm_drv;
extern const struct usb_mux_driver anx74xx_tcpm_usb_mux_driver;
void anx74xx_tcpc_set_vbus(int port, int enable);
void anx74xx_tcpc_clear_hpd_status(int port);
void anx74xx_tcpc_update_hpd_status(const struct usb_mux *me,
				    mux_state_t mux_state, bool *ack_required);

#ifdef CONFIG_CMD_I2C_STRESS_TEST_TCPC
extern struct i2c_stress_test_dev anx74xx_i2c_stress_test_dev;
#endif

#endif /* __CROS_EC_USB_PD_TCPM_ANX74XX_H */