/* * arch/arm/mach-pxa/include/mach/gpio.h * * PXA GPIO wrappers for arch-neutral GPIO calls * * Written by Philipp Zabel * * 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 /* 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 #endif