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/* Copyright 2017 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef __CROS_EC_GPIO_CHIP_H
#define __CROS_EC_GPIO_CHIP_H
struct npcx_wui {
uint8_t table : 2;
uint8_t group : 3;
uint8_t bit : 3;
};
/* Macros to initialize the MIWU mapping table. */
#define NPCX_WUI_GPIO_PIN(port, index) NPCX_WUI_GPIO_##port##_##index
#define WUI(tbl, grp, idx) \
((struct npcx_wui){ .table = tbl, .group = grp, .bit = idx })
#define WUI_INT(tbl, grp) WUI(tbl, grp, 0)
#define WUI_NONE \
((struct npcx_wui){ .table = MIWU_TABLE_COUNT, .group = 0, .bit = 0 })
/* Macros to initialize the alternative and low voltage mapping table. */
#define NPCX_GPIO_NONE ((struct npcx_gpio){ .port = 0, .bit = 0, .valid = 0 })
#define NPCX_GPIO(grp, pin) \
((struct npcx_gpio){ .port = GPIO_PORT_##grp, .bit = pin, .valid = 1 })
#define NPCX_ALT(grp, pin) \
((struct npcx_alt){ .group = ALT_GROUP_##grp, \
.bit = NPCX_DEVALT##grp##_##pin, \
.inverted = 0 })
#define NPCX_ALT_INV(grp, pin) \
((struct npcx_alt){ .group = ALT_GROUP_##grp, \
.bit = NPCX_DEVALT##grp##_##pin, \
.inverted = 1 })
#define ALT(port, index, _alt) \
{ .gpio = NPCX_GPIO(port, index), .alt = (_alt) },
#define NPCX_LVOL_CTRL_ITEMS(ctrl) \
{ \
NPCX_LVOL_CTRL_##ctrl##_0, NPCX_LVOL_CTRL_##ctrl##_1, \
NPCX_LVOL_CTRL_##ctrl##_2, NPCX_LVOL_CTRL_##ctrl##_3, \
NPCX_LVOL_CTRL_##ctrl##_4, NPCX_LVOL_CTRL_##ctrl##_5, \
NPCX_LVOL_CTRL_##ctrl##_6, NPCX_LVOL_CTRL_##ctrl##_7, \
}
/**
* Switch NPCX UART pins back to normal GPIOs.
*/
void npcx_uart2gpio(void);
/**
* Switch NPCX UART pins to UART mode (depending on the currently selected
* pad, see uart.c).
*/
void npcx_gpio2uart(void);
/* Set input buffer of all 1.8v i2c ports. */
void gpio_enable_1p8v_i2c_wake_up_input(int enable);
void gpio_interrupt(struct npcx_wui wui_int);
/*
* Include the MIWU, alternative and low-Voltage macro functions for GPIOs
* depends on Nuvoton chip series.
*/
#if defined(CHIP_FAMILY_NPCX5)
#include "gpio_chip-npcx5.h"
#elif defined(CHIP_FAMILY_NPCX7)
#include "gpio_chip-npcx7.h"
#elif defined(CHIP_FAMILY_NPCX9)
#include "gpio_chip-npcx9.h"
#else
#error "Unsupported chip family"
#endif
#endif /* __CROS_EC_GPIO_CHIP_H */
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