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/* Copyright 2022 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* Tentacruel PPC/BC12 (mixed RT1739 or PI3USB9201+SYV682X) configuration */
#include "baseboard_usbc_config.h"
#include "console.h"
#include "cros_board_info.h"
#include "driver/usb_mux/ps8743.h"
#include "gpio/gpio_int.h"
#include "hooks.h"
#include "usb_mux.h"
#include "usbc/ppc.h"
#include "variant_db_detection.h"
#include <zephyr/logging/log.h>
#define CPRINTSUSB(format, args...) cprints(CC_USBCHARGE, format, ##args)
#define CPRINTS(format, args...) cprints(CC_SYSTEM, format, ##args)
#define CPRINTF(format, args...) cprintf(CC_SYSTEM, format, ##args)
LOG_MODULE_REGISTER(alt_dev_replacement);
#define BOARD_VERSION_UNKNOWN 0xffffffff
/* Check board version to decide which ppc/bc12 is used. */
static bool board_has_syv_ppc(void)
{
static uint32_t board_version = BOARD_VERSION_UNKNOWN;
if (board_version == BOARD_VERSION_UNKNOWN) {
if (cbi_get_board_version(&board_version) != EC_SUCCESS) {
LOG_ERR("Failed to get board version.");
board_version = 0;
}
}
return (board_version >= 3);
}
static void check_alternate_devices(void)
{
/* Configure the PPC driver */
if (board_has_syv_ppc())
/* Arg is the USB port number */
PPC_ENABLE_ALTERNATE(0);
}
DECLARE_HOOK(HOOK_INIT, check_alternate_devices, HOOK_PRIO_DEFAULT);
void bc12_interrupt(enum gpio_signal signal)
{
usb_charger_task_set_event(0, USB_CHG_EVENT_BC12);
}
/* USB Mux C1 : board_init of PS8743 */
int ps8743_eq_c1_setting(void)
{
ps8743_write(usb_muxes[1].mux, PS8743_REG_USB_EQ_RX, 0x90);
return EC_SUCCESS;
}
static void board_usbc_init(void)
{
if (board_has_syv_ppc()) {
/* Enable PPC interrupts. */
gpio_enable_dt_interrupt(
GPIO_INT_FROM_NODELABEL(int_usb_c0_ppc));
/* Enable BC1.2 interrupts. */
gpio_enable_dt_interrupt(
GPIO_INT_FROM_NODELABEL(int_usb_c0_bc12));
} else {
gpio_enable_dt_interrupt(
GPIO_INT_FROM_NODELABEL(int_usb_c0_ppc));
}
}
DECLARE_HOOK(HOOK_INIT, board_usbc_init, HOOK_PRIO_POST_DEFAULT);
void ppc_interrupt(enum gpio_signal signal)
{
if (signal == GPIO_SIGNAL(DT_NODELABEL(usb_c0_ppc_int_odl))) {
ppc_chips[0].drv->interrupt(0);
}
if (signal == GPIO_SIGNAL(DT_ALIAS(gpio_usb_c1_ppc_int_odl))) {
ppc_chips[1].drv->interrupt(1);
}
}
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