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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.
*/
#include "pwr_defs.h"
#include "stdbool.h"
/* Registers definitions */
#define GL3590_HUB_MODE_REG 0x0
#define GL3590_HUB_MODE_I2C_READY 0x1
#define GL3590_HUB_MODE_USB2_EN 0x2
#define GL3590_HUB_MODE_USB3_EN 0x4
#define GL3590_INT_REG 0x1
#define GL3590_INT_PENDING 0x1
#define GL3590_INT_CLEAR 0x1
#define GL3590_RESPONSE_REG 0x2
#define GL3590_RESPONSE_REG_SYNC_MASK 0x80
#define GL3590_PORT_DISABLED_REG 0x4
#define GL3590_PORT_EN_STS_REG 0x8
#define GL3590_HUB_STS_REG 0xA
#define GL3590_HUB_STS_HOST_PWR_MASK 0x30
#define GL3590_HUB_STS_HOST_PWR_SHIFT 4
#define GL3590_DEFAULT_HOST_PWR_SRC 0x0
#define GL3590_1_5_A_HOST_PWR_SRC 0x1
#define GL3590_3_0_A_HOST_PWR_SRC 0x2
#define GL3590_I2C_ADDR0 0x50
/* Read GL3590 I2C register */
int gl3590_read(int hub, uint8_t reg, uint8_t *data, int count);
/* Write to GL3590 I2C register */
int gl3590_write(int hub, uint8_t reg, uint8_t *data, int count);
/* Initialize GL3590 I2C interface */
void gl3590_init(int hub);
/* Generic handler for GL3590 IRQ, can be registered/invoked by platform */
void gl3590_irq_handler(int hub);
/* Get power capabilities of UFP host connection */
enum ec_error_list gl3590_ufp_pwr(int hub, struct pwr_con_t *pwr);
#define GL3590_DFP1 BIT(0)
#define GL3590_DFP2 BIT(1)
#define GL3590_DFP3 BIT(2)
#define GL3590_DFP4 BIT(3)
#define GL3590_DFP5 BIT(4)
#define GL3590_DFP6 BIT(5)
#define GL3590_DFP7 BIT(6)
#define GL3590_DFP8 BIT(7)
/* Enable/disable power to particular downstream facing ports */
int gl3590_enable_ports(int hub, uint8_t port_mask, bool enable);
/* Generic USB HUB I2C interface */
struct uhub_i2c_iface_t {
int i2c_host_port;
int i2c_addr;
int initialized;
};
extern struct uhub_i2c_iface_t uhub_config[];
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