| /* |
| * linux/include/asm-arm/arch-omap/gpio.h |
| * |
| * OMAP GPIO handling defines and functions |
| * |
| * Copyright (C) 2003 Nokia Corporation |
| * |
| * Written by Juha Yrjölä <juha.yrjola@nokia.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| |
| #ifndef __ASM_ARCH_OMAP_GPIO_H |
| #define __ASM_ARCH_OMAP_GPIO_H |
| |
| #include <asm/arch/hardware.h> |
| #include <asm/arch/irqs.h> |
| #include <asm/io.h> |
| |
| #define OMAP_MPUIO_BASE 0xfffb5000 |
| #define OMAP_MPUIO_INPUT_LATCH 0x00 |
| #define OMAP_MPUIO_OUTPUT 0x04 |
| #define OMAP_MPUIO_IO_CNTL 0x08 |
| #define OMAP_MPUIO_KBR_LATCH 0x10 |
| #define OMAP_MPUIO_KBC 0x14 |
| #define OMAP_MPUIO_GPIO_EVENT_MODE 0x18 |
| #define OMAP_MPUIO_GPIO_INT_EDGE 0x1c |
| #define OMAP_MPUIO_KBD_INT 0x20 |
| #define OMAP_MPUIO_GPIO_INT 0x24 |
| #define OMAP_MPUIO_KBD_MASKIT 0x28 |
| #define OMAP_MPUIO_GPIO_MASKIT 0x2c |
| #define OMAP_MPUIO_GPIO_DEBOUNCING 0x30 |
| #define OMAP_MPUIO_LATCH 0x34 |
| |
| #define OMAP_MPUIO(nr) (OMAP_MAX_GPIO_LINES + (nr)) |
| #define OMAP_GPIO_IS_MPUIO(nr) ((nr) >= OMAP_MAX_GPIO_LINES) |
| |
| #define OMAP_GPIO_IRQ(nr) (OMAP_GPIO_IS_MPUIO(nr) ? \ |
| IH_MPUIO_BASE + ((nr) & 0x0f) : \ |
| IH_GPIO_BASE + ((nr) & 0x3f)) |
| |
| /* For EDGECTRL */ |
| #define OMAP_GPIO_NO_EDGE 0x00 |
| #define OMAP_GPIO_FALLING_EDGE 0x01 |
| #define OMAP_GPIO_RISING_EDGE 0x02 |
| #define OMAP_GPIO_BOTH_EDGES 0x03 |
| |
| extern int omap_gpio_init(void); /* Call from board init only */ |
| extern int omap_request_gpio(int gpio); |
| extern void omap_free_gpio(int gpio); |
| extern void omap_set_gpio_direction(int gpio, int is_input); |
| extern void omap_set_gpio_dataout(int gpio, int enable); |
| extern int omap_get_gpio_datain(int gpio); |
| extern void omap_set_gpio_edge_ctrl(int gpio, int edge); |
| |
| #endif |
