76 lines
1.7 KiB
C
76 lines
1.7 KiB
C
/*
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* arch/arm/include/asm/hardware/iop3xx-gpio.h
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*
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* IOP3xx GPIO wrappers
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*
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* Copyright (c) 2008 Arnaud Patard <arnaud.patard@rtp-net.org>
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* Based on IXP4XX gpio.h file
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef __ASM_ARM_HARDWARE_IOP3XX_GPIO_H
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#define __ASM_ARM_HARDWARE_IOP3XX_GPIO_H
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#include <mach/hardware.h>
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#include <asm-generic/gpio.h>
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#define __ARM_GPIOLIB_COMPLEX
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#define IOP3XX_N_GPIOS 8
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static inline int gpio_get_value(unsigned gpio)
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{
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if (gpio > IOP3XX_N_GPIOS)
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return __gpio_get_value(gpio);
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return gpio_line_get(gpio);
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}
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static inline void gpio_set_value(unsigned gpio, int value)
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{
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if (gpio > IOP3XX_N_GPIOS) {
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__gpio_set_value(gpio, value);
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return;
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}
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gpio_line_set(gpio, value);
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}
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static inline int gpio_cansleep(unsigned gpio)
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{
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if (gpio < IOP3XX_N_GPIOS)
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return 0;
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else
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return __gpio_cansleep(gpio);
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}
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/*
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* The GPIOs are not generating any interrupt
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* Note : manuals are not clear about this
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*/
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static inline int gpio_to_irq(int gpio)
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{
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return -EINVAL;
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}
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static inline int irq_to_gpio(int gpio)
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{
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return -EINVAL;
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}
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#endif
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