/*
- * $Id$
- *
* ADM5120 GPIO wrappers for arch-neutral GPIO calls
*
- * Copyright (C) 2007 OpenWrt.org
- * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
- *
- * 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.
+ * Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
*
- * 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., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
*
*/
-#ifndef _ADM5120_GPIO_H_
-#define _ADM5120_GPIO_H_
+#ifndef _ASM_MIPS_MACH_ADM5120_GPIO_H
+#define _ASM_MIPS_MACH_ADM5120_GPIO_H
+
+#define ARCH_NR_GPIOS 64
+
+#include <asm-generic/gpio.h>
#include <asm/mach-adm5120/adm5120_switch.h>
#define ADM5120_GPIO_10M_ACT (ADM5120_GPIO_SWITCH | LED_MODE_10M_ACT)
#define ADM5120_GPIO_100M_ACT (ADM5120_GPIO_SWITCH | LED_MODE_100M_ACT)
-extern int adm5120_gpio_direction_input(unsigned gpio);
-extern int adm5120_gpio_direction_output(unsigned gpio, int value);
-extern int adm5120_gpio_get_value(unsigned gpio);
-extern void adm5120_gpio_set_value(unsigned gpio, int value);
-extern int adm5120_gpio_request(unsigned gpio, const char *label);
-extern void adm5120_gpio_free(unsigned gpio);
-extern int adm5120_gpio_to_irq(unsigned gpio);
-extern int adm5120_irq_to_gpio(unsigned irq);
-
-/*
- * Wrappers for the generic GPIO layer
- */
-static inline int gpio_direction_input(unsigned gpio)
-{
- return adm5120_gpio_direction_input(gpio);
-}
-
-static inline int gpio_direction_output(unsigned gpio, int value)
-{
- return adm5120_gpio_direction_output(gpio,value);
-}
+extern int __adm5120_gpio0_get_value(unsigned gpio);
+extern void __adm5120_gpio0_set_value(unsigned gpio, int value);
+extern int __adm5120_gpio1_get_value(unsigned gpio);
+extern void __adm5120_gpio1_set_value(unsigned gpio, int value);
+extern int adm5120_gpio_to_irq(unsigned gpio);
+extern int adm5120_irq_to_gpio(unsigned irq);
static inline int gpio_get_value(unsigned gpio)
{
- return adm5120_gpio_get_value(gpio);
+ int ret;
+
+ switch (gpio) {
+ case ADM5120_GPIO_PIN0 ... ADM5120_GPIO_PIN7:
+ ret = __adm5120_gpio0_get_value(gpio);
+ break;
+ case ADM5120_GPIO_P0L0 ... ADM5120_GPIO_P4L2:
+ ret = __adm5120_gpio1_get_value(gpio - ADM5120_GPIO_P0L0);
+ break;
+ default:
+ ret = __gpio_get_value(gpio);
+ break;
+ }
+
+ return ret;
}
static inline void gpio_set_value(unsigned gpio, int value)
{
- adm5120_gpio_set_value(gpio, value);
-}
-
-static inline int gpio_request(unsigned gpio, const char *label)
-{
- return adm5120_gpio_request(gpio, label);
-}
-
-static inline void gpio_free(unsigned gpio)
-{
- adm5120_gpio_free(gpio);
+ switch (gpio) {
+ case ADM5120_GPIO_PIN0 ... ADM5120_GPIO_PIN7:
+ __adm5120_gpio0_set_value(gpio, value);
+ break;
+ case ADM5120_GPIO_P0L0 ... ADM5120_GPIO_P4L2:
+ __adm5120_gpio1_set_value(gpio - ADM5120_GPIO_P0L0, value);
+ break;
+ default:
+ __gpio_set_value(gpio, value);
+ break;
+ }
}
static inline int gpio_to_irq(unsigned gpio)
return adm5120_irq_to_gpio(irq);
}
-#include <asm-generic/gpio.h> /* cansleep wrappers */
+#define gpio_cansleep __gpio_cansleep
-#endif
+#endif /* _ASM_MIPS_MACH_ADM5120_GPIO_H */