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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.
*/
/* Gingerbread board-specific configuration */
#include "common.h"
#include "driver/ppc/sn5s330.h"
#include "driver/tcpm/stm32gx.h"
#include "driver/tcpm/tcpci.h"
#include "gpio.h"
#include "hooks.h"
#include "switch.h"
#include "system.h"
#include "task.h"
#include "uart.h"
#include "usb_pd.h"
#include "usbc_ppc.h"
#include "util.h"
#define CPRINTS(format, args...) cprints(CC_SYSTEM, format, ## args)
#define CPRINTF(format, args...) cprintf(CC_SYSTEM, format, ## args)
static void ppc_interrupt(enum gpio_signal signal)
{
switch (signal) {
case GPIO_HOST_USBC_PPC_INT_ODL:
sn5s330_interrupt(USB_PD_PORT_HOST);
break;
default:
break;
}
}
#include "gpio_list.h" /* Must come after other header files. */
/*
* Table GPIO signals control both power rails and reset lines to various chips
* on the board. The order the signals are changed and the delay between GPIO
* signals is driven by USB/MST hub power sequencing requirements.
*/
const struct power_seq board_power_seq[] = {
{GPIO_EN_AC_JACK, 1, 20},
{GPIO_EN_PP5000_A, 1, 31},
{GPIO_EN_PP3300_A, 1, 35},
{GPIO_STATUS_LED1, 0, 100},
{GPIO_EN_BB, 1, 30},
{GPIO_EN_PP1100_A, 1, 30},
{GPIO_EN_PP1000_A, 1, 20},
{GPIO_EN_PP1050_A, 1, 30},
{GPIO_EN_PP1200_A, 1, 20},
{GPIO_EN_PP5000_HSPORT, 1, 31},
{GPIO_EN_DP_SINK, 1, 80},
{GPIO_MST_LP_CTL_L, 1, 80},
{GPIO_MST_RST_L, 1, 41},
{GPIO_EC_HUB1_RESET_L, 1, 41},
{GPIO_EC_HUB2_RESET_L, 1, 33},
{GPIO_USBC_DP_PD_RST_L, 1, 100},
{GPIO_USBC_UF_RESET_L, 1, 33},
{GPIO_DEMUX_DUAL_DP_PD_N, 1, 100},
{GPIO_DEMUX_DUAL_DP_RESET_N, 1, 100},
{GPIO_DEMUX_DP_HDMI_PD_N, 1, 10},
{GPIO_DEMUX_DUAL_DP_MODE, 1, 10},
{GPIO_DEMUX_DP_HDMI_MODE, 1, 1},
{GPIO_STATUS_LED2, 0, 100},
};
const size_t board_power_seq_count = ARRAY_SIZE(board_power_seq);
const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_MAX_COUNT] = {
{
.bus_type = EC_BUS_TYPE_EMBEDDED,
.drv = &stm32gx_tcpm_drv,
},
};
const struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = {
[USB_PD_PORT_HOST] = {
.usb_port = USB_PD_PORT_HOST,
.driver = &virtual_usb_mux_driver,
.hpd_update = &virtual_hpd_update,
},
};
/* USB-C PPC Configuration */
struct ppc_config_t ppc_chips[CONFIG_USB_PD_PORT_MAX_COUNT] = {
[USB_PD_PORT_HOST] = {
.i2c_port = 2,
.i2c_addr_flags = SN5S330_ADDR0_FLAGS,
.drv = &sn5s330_drv
},
};
unsigned int ppc_cnt = ARRAY_SIZE(ppc_chips);
/* Power Delivery and charging functions */
void board_tcpc_init(void)
{
/* Enable PPC interrupts. */
gpio_enable_interrupt(GPIO_HOST_USBC_PPC_INT_ODL);
}
DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_INIT_I2C + 1);
static void board_init(void)
{
/* TODO */
}
DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
int ppc_get_alert_status(int port)
{
if (port == USB_PD_PORT_HOST)
return gpio_get_level(GPIO_HOST_USBC_PPC_INT_ODL) == 0;
return 0;
}
void board_overcurrent_event(int port, int is_overcurrented)
{
/* TODO: b/ - check correct operation for honeybuns */
}
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