74 lines
1.7 KiB
C
74 lines
1.7 KiB
C
|
/*
|
||
|
|
* linux/include/asm-arm/hardware/iop3xx-gpio.h
|
||
|
|
*
|
||
|
|
* IOP3xx GPIO wrappers
|
||
|
|
*
|
||
|
|
* Copyright (c) 2008 Arnaud Patard <arnaud.patard@rtp-net.org>
|
||
|
|
* Based on IXP4XX gpio.h file
|
||
|
|
*
|
||
|
|
* 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_ARM_HARDWARE_IOP3XX_GPIO_H
|
||
|
|
#define __ASM_ARM_HARDWARE_IOP3XX_GPIO_H
|
||
|
|
|
||
|
|
#include <asm/hardware.h>
|
||
|
|
#include <asm-generic/gpio.h>
|
||
|
|
|
||
|
|
#define IOP3XX_N_GPIOS 8
|
||
|
|
|
||
|
|
static inline int gpio_get_value(unsigned gpio)
|
||
|
|
{
|
||
|
|
if (gpio > IOP3XX_N_GPIOS)
|
||
|
|
return __gpio_get_value(gpio);
|
||
|
|
|
||
|
|
return gpio_line_get(gpio);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void gpio_set_value(unsigned gpio, int value)
|
||
|
|
{
|
||
|
|
if (gpio > IOP3XX_N_GPIOS) {
|
||
|
|
__gpio_set_value(gpio, value);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
gpio_line_set(gpio, value);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline int gpio_cansleep(unsigned gpio)
|
||
|
|
{
|
||
|
|
if (gpio < IOP3XX_N_GPIOS)
|
||
|
|
return 0;
|
||
|
|
else
|
||
|
|
return __gpio_cansleep(gpio);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* The GPIOs are not generating any interrupt
|
||
|
|
* Note : manuals are not clear about this
|
||
|
|
*/
|
||
|
|
static inline int gpio_to_irq(int gpio)
|
||
|
|
{
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline int irq_to_gpio(int gpio)
|
||
|
|
{
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|