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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.
 */

#ifndef __ZEPHYR_GPIO_MAP_H
#define __ZEPHYR_GPIO_MAP_H

#include <devicetree.h>
#include <gpio_signal.h>

#include "extpower.h"
#include "lid_switch.h"
#include "power_button.h"

/*
 * Without https://github.com/zephyrproject-rtos/zephyr/pull/29282, we need
 * to manually link GPIO_ defines that platform/ec code expects to the
 * enum gpio_signal values that are generated by device tree bindings.
 *
 * Note we only need to create aliases for GPIOs that are referenced in common
 * platform/ec code.
 */
#define GPIO_AC_PRESENT            NAMED_GPIO(acok_od)
#define GPIO_CPU_PROCHOT           NAMED_GPIO(ec_prochot_odl)
#define GPIO_EC_BATT_PRES_ODL      NAMED_GPIO(ec_batt_pres_odl)
#define GPIO_EC_PCH_SYS_PWROK      NAMED_GPIO(ec_pch_sys_pwrok)
#define GPIO_EN_PP3300_A           NAMED_GPIO(en_pp3300_a)
#define GPIO_EN_PP5000             NAMED_GPIO(en_pp5000_a)
#define GPIO_EN_PP5000_A           NAMED_GPIO(en_pp5000_a)
#define GPIO_EN_PPVAR_VCCIN        NAMED_GPIO(en_ppvar_vccin)
#define GPIO_KBD_KSO2              NAMED_GPIO(ec_kso_02_inv)
#define GPIO_LID_OPEN              NAMED_GPIO(ec_lid_open)
#define GPIO_PCH_DSW_PWROK         NAMED_GPIO(ec_pch_dsw_pwrok)
#define GPIO_PCH_PWRBTN_L          NAMED_GPIO(ec_pch_pwr_btn_odl)
#define GPIO_PCH_RSMRST_L          NAMED_GPIO(ec_pch_rsmrst_odl)
#define GPIO_PCH_RTCRST            NAMED_GPIO(ec_pch_rtcrst)
#define GPIO_PCH_SLP_S0_L          NAMED_GPIO(slp_s0_l)
#define GPIO_PCH_SLP_S3_L          NAMED_GPIO(slp_s3_l)
#define GPIO_PCH_SLP_SUS_L         NAMED_GPIO(slp_sus_l)
#define GPIO_PG_EC_ALL_SYS_PWRGD   NAMED_GPIO(pg_ec_all_sys_pwrgd)
#define GPIO_PG_EC_DSW_PWROK       NAMED_GPIO(pg_ec_dsw_pwrok)
#define GPIO_PG_EC_RSMRST_ODL      NAMED_GPIO(pg_ec_rsmrst_odl)
#define GPIO_POWER_BUTTON_L        NAMED_GPIO(h1_ec_pwr_btn_odl)
#define GPIO_RSMRST_L_PGOOD        NAMED_GPIO(pg_ec_rsmrst_odl)
#define GPIO_SLP_SUS_L             NAMED_GPIO(slp_sus_l)
#define GPIO_SYS_RESET_L           NAMED_GPIO(sys_rst_odl)
#define GPIO_WP_L                  NAMED_GPIO(ec_wp_l)

/* USB-C interrupts */
#define GPIO_USB_C0_TCPC_INT_ODL   NAMED_GPIO(usb_c0_tcpc_int_odl)
#define GPIO_USB_C1_TCPC_INT_ODL   NAMED_GPIO(usb_c1_tcpc_int_odl)

#define GPIO_USB_C0_PPC_INT_ODL    NAMED_GPIO(usb_c0_ppc_int_odl)
#define GPIO_USB_C1_PPC_INT_ODL    NAMED_GPIO(usb_c1_ppc_int_odl)

#define GPIO_USB_C0_BC12_INT_ODL   NAMED_GPIO(usb_c0_bc12_int_odl)
#define GPIO_USB_C1_MIX_INT_ODL    NAMED_GPIO(usb_c1_mix_int_odl)

#define GPIO_USB_C0_OC_ODL         NAMED_GPIO(usb_c0_oc_odl)
#define GPIO_USB_C1_OC_ODL         NAMED_GPIO(usb_c1_oc_odl)

/* USB and USBC Signals */
#define GPIO_EN_PP5000_USBA        NAMED_GPIO(en_pp5000_usba)
#define GPIO_USB_C1_RT_RST_ODL     NAMED_GPIO(usb_c1_rt_rst_odl_boardid_0)

/* Don't have a load switch for retimer */
/* TODO(b/176559881): How to do unimplemented GPIOs? */
#define GPIO_USB_C1_LS_EN          NAMED_GPIO(unused_gpio41)

#define GPIO_USB_C1_BC12_INT_ODL   GPIO_USB_C1_MIX_INT_ODL

/*
 * Set EC_CROS_GPIO_INTERRUPTS to a space-separated list of GPIO_INT items.
 *
 * Each GPIO_INT requires three parameters:
 *   gpio_signal - The enum gpio_signal for the interrupt gpio
 *   interrupt_flags - The interrupt-related flags (e.g. GPIO_INT_EDGE_BOTH)
 *   handler - The platform/ec interrupt handler.
 *
 * Ensure that this files includes all necessary headers to declare all
 * referenced handler functions.
 *
 * For example, one could use the follow definition:
 * #define EC_CROS_GPIO_INTERRUPTS \
 *   GPIO_INT(NAMED_GPIO(h1_ec_pwr_btn_odl), GPIO_INT_EDGE_BOTH, button_print)
 */
#define EC_CROS_GPIO_INTERRUPTS                                           \
	GPIO_INT(GPIO_AC_PRESENT, GPIO_INT_EDGE_BOTH, extpower_interrupt) \
	GPIO_INT(GPIO_LID_OPEN, GPIO_INT_EDGE_BOTH, lid_interrupt)        \
	GPIO_INT(GPIO_PCH_SLP_S0_L, GPIO_INT_EDGE_BOTH,                   \
		 power_signal_interrupt)                                  \
	GPIO_INT(GPIO_PCH_SLP_S3_L, GPIO_INT_EDGE_BOTH,                   \
		 power_signal_interrupt)                                  \
	GPIO_INT(GPIO_PCH_SLP_SUS_L, GPIO_INT_EDGE_BOTH,                  \
		 power_signal_interrupt)                                  \
	GPIO_INT(GPIO_PG_EC_RSMRST_ODL, GPIO_INT_EDGE_BOTH,               \
		 power_signal_interrupt)                                  \
	GPIO_INT(GPIO_PCH_DSW_PWROK, GPIO_INT_EDGE_BOTH,                  \
		 power_signal_interrupt)                                  \
	GPIO_INT(GPIO_PG_EC_ALL_SYS_PWRGD, GPIO_INT_EDGE_BOTH,            \
		 power_signal_interrupt)                                  \
	GPIO_INT(GPIO_POWER_BUTTON_L, GPIO_INT_EDGE_BOTH,                 \
		 power_button_interrupt)                                  \
	GPIO_INT(GPIO_USB_C0_TCPC_INT_ODL, GPIO_INT_EDGE_BOTH,            \
		 tcpc_alert_event)                                        \
	GPIO_INT(GPIO_USB_C1_TCPC_INT_ODL, GPIO_INT_EDGE_BOTH,            \
		 tcpc_alert_event)                                        \
	GPIO_INT(GPIO_USB_C0_PPC_INT_ODL, GPIO_INT_EDGE_BOTH,             \
		 ppc_interrupt)                                           \
	GPIO_INT(GPIO_USB_C1_PPC_INT_ODL, GPIO_INT_EDGE_BOTH,             \
		 ppc_interrupt)                                           \
	GPIO_INT(GPIO_USB_C0_BC12_INT_ODL, GPIO_INT_EDGE_BOTH,            \
		 bc12_interrupt)                                          \
	GPIO_INT(GPIO_USB_C1_MIX_INT_ODL, GPIO_INT_EDGE_BOTH,             \
		 bc12_interrupt)

#endif /* __ZEPHYR_GPIO_MAP_H */