/* linux/arch/mips/include/mach-loongson/gsc3280/gpio.h
 *
 * Copyright (c) 2012 Loongson Co., Ltd.
 *
 * GSC3280 - GPIO lib support <ansonn.wang@gmail.com>
 *
 * 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 __ASM_ARCH_GPIO_H
#define __ASM_ARCH_GPIO_H __FILE__

//

#define gpio_get_value	__gpio_get_value
#define gpio_set_value	__gpio_set_value
#define gpio_cansleep	__gpio_cansleep
#define gpio_to_irq		__gpio_to_irq

/* Practically, GPIO banks are the configurable gpio banks */

/* GPIO bank sizes */
#define GSC3280_GPIO_A_NR	(32)
#define GSC3280_GPIO_B_NR	(32)
#define GSC3280_GPIO_C_NR	(24)

/* GPIO bank numbers */

#define GSC3280_GPIO_NEXT(__gpio) \
			((__gpio##_START) + (__gpio##_NR))

enum gsc3280_gpio_number {
	GSC3280_GPIO_A_START	= 0,
	GSC3280_GPIO_B_START	= GSC3280_GPIO_NEXT(GSC3280_GPIO_A),
	GSC3280_GPIO_C_START	= GSC3280_GPIO_NEXT(GSC3280_GPIO_B),
};

/* GSC3280 GPIO number definitions */
#define GSC3280_GPA(_nr)	(GSC3280_GPIO_A_START + (_nr))
#define GSC3280_GPB(_nr)	(GSC3280_GPIO_B_START + (_nr))
#define GSC3280_GPC(_nr)	(GSC3280_GPIO_C_START + (_nr))


/* the end of the GSC3280 specific gpios */
#define GSC3280_GPIO_END	(GSC3280_GPC(GSC3280_GPIO_C_NR) + 1)

#undef ARCH_NR_GPIOS
#define ARCH_NR_GPIOS	GSC3280_GPIO_END

#include <asm-generic/gpio.h>

#endif /* __ASM_ARCH_GPIO_H */