| /* |
| * arch/arm/mach-pxa/include/mach/gpio.h |
| * |
| * PXA GPIO wrappers for arch-neutral GPIO calls |
| * |
| * Written by Philipp Zabel <philipp.zabel@gmail.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_PXA_GPIO_H |
| #define __ASM_ARCH_PXA_GPIO_H |
| |
| #include <asm-generic/gpio.h> |
| /* The defines for the driver are needed for the accelerated accessors */ |
| #include "gpio-pxa.h" |
| |
| #define gpio_to_irq(gpio) IRQ_GPIO(gpio) |
| |
| static inline int irq_to_gpio(unsigned int irq) |
| { |
| int gpio; |
| |
| if (irq == IRQ_GPIO0 || irq == IRQ_GPIO1) |
| return irq - IRQ_GPIO0; |
| |
| gpio = irq - PXA_GPIO_IRQ_BASE; |
| if (gpio >= 2 && gpio < NR_BUILTIN_GPIO) |
| return gpio; |
| |
| return -1; |
| } |
| |
| #include <plat/gpio.h> |
| #endif |
