1. 根目录:
2. arch
3. arm
4. mach-s5p64x0
5. include
6. mach
7. gpio.h

/* linux/arch/arm/mach-s5p64x0/include/mach/gpio.h
 *
 * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com
 *
 * S5P64X0 - GPIO lib support
 *
 * 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__

/* GPIO bank sizes */

#define S5P6440_GPIO_A_NR	(6)
#define S5P6440_GPIO_B_NR	(7)
#define S5P6440_GPIO_C_NR	(8)
#define S5P6440_GPIO_F_NR	(16)
#define S5P6440_GPIO_G_NR	(7)
#define S5P6440_GPIO_H_NR	(10)
#define S5P6440_GPIO_I_NR	(16)
#define S5P6440_GPIO_J_NR	(12)
#define S5P6440_GPIO_N_NR	(16)
#define S5P6440_GPIO_P_NR	(8)
#define S5P6440_GPIO_R_NR	(15)

#define S5P6450_GPIO_A_NR	(6)
#define S5P6450_GPIO_B_NR	(7)
#define S5P6450_GPIO_C_NR	(8)
#define S5P6450_GPIO_D_NR	(8)
#define S5P6450_GPIO_F_NR	(16)
#define S5P6450_GPIO_G_NR	(14)
#define S5P6450_GPIO_H_NR	(10)
#define S5P6450_GPIO_I_NR	(16)
#define S5P6450_GPIO_J_NR	(12)
#define S5P6450_GPIO_K_NR	(5)
#define S5P6450_GPIO_N_NR	(16)
#define S5P6450_GPIO_P_NR	(11)
#define S5P6450_GPIO_Q_NR	(14)
#define S5P6450_GPIO_R_NR	(15)
#define S5P6450_GPIO_S_NR	(8)

/* GPIO bank numbers */

/* CONFIG_S3C_GPIO_SPACE allows the user to select extra
 * space for debugging purposes so that any accidental
 * change from one gpio bank to another can be caught.
*/

#define S5P64X0_GPIO_NEXT(__gpio) \
	((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 1)

enum s5p6440_gpio_number {
	S5P6440_GPIO_A_START	= 0,
	S5P6440_GPIO_B_START	= S5P64X0_GPIO_NEXT(S5P6440_GPIO_A),
	S5P6440_GPIO_C_START	= S5P64X0_GPIO_NEXT(S5P6440_GPIO_B),
	S5P6440_GPIO_F_START	= S5P64X0_GPIO_NEXT(S5P6440_GPIO_C),
	S5P6440_GPIO_G_START	= S5P64X0_GPIO_NEXT(S5P6440_GPIO_F),
	S5P6440_GPIO_H_START	= S5P64X0_GPIO_NEXT(S5P6440_GPIO_G),
	S5P6440_GPIO_I_START	= S5P64X0_GPIO_NEXT(S5P6440_GPIO_H),
	S5P6440_GPIO_J_START	= S5P64X0_GPIO_NEXT(S5P6440_GPIO_I),
	S5P6440_GPIO_N_START	= S5P64X0_GPIO_NEXT(S5P6440_GPIO_J),
	S5P6440_GPIO_P_START	= S5P64X0_GPIO_NEXT(S5P6440_GPIO_N),
	S5P6440_GPIO_R_START	= S5P64X0_GPIO_NEXT(S5P6440_GPIO_P),
};

enum s5p6450_gpio_number {
	S5P6450_GPIO_A_START	= 0,
	S5P6450_GPIO_B_START	= S5P64X0_GPIO_NEXT(S5P6450_GPIO_A),
	S5P6450_GPIO_C_START	= S5P64X0_GPIO_NEXT(S5P6450_GPIO_B),
	S5P6450_GPIO_D_START	= S5P64X0_GPIO_NEXT(S5P6450_GPIO_C),
	S5P6450_GPIO_F_START	= S5P64X0_GPIO_NEXT(S5P6450_GPIO_D),
	S5P6450_GPIO_G_START	= S5P64X0_GPIO_NEXT(S5P6450_GPIO_F),
	S5P6450_GPIO_H_START	= S5P64X0_GPIO_NEXT(S5P6450_GPIO_G),
	S5P6450_GPIO_I_START	= S5P64X0_GPIO_NEXT(S5P6450_GPIO_H),
	S5P6450_GPIO_J_START	= S5P64X0_GPIO_NEXT(S5P6450_GPIO_I),
	S5P6450_GPIO_K_START	= S5P64X0_GPIO_NEXT(S5P6450_GPIO_J),
	S5P6450_GPIO_N_START	= S5P64X0_GPIO_NEXT(S5P6450_GPIO_K),
	S5P6450_GPIO_P_START	= S5P64X0_GPIO_NEXT(S5P6450_GPIO_N),
	S5P6450_GPIO_Q_START	= S5P64X0_GPIO_NEXT(S5P6450_GPIO_P),
	S5P6450_GPIO_R_START	= S5P64X0_GPIO_NEXT(S5P6450_GPIO_Q),
	S5P6450_GPIO_S_START	= S5P64X0_GPIO_NEXT(S5P6450_GPIO_R),
};

/* GPIO number definitions */

#define S5P6440_GPA(_nr)	(S5P6440_GPIO_A_START + (_nr))
#define S5P6440_GPB(_nr)	(S5P6440_GPIO_B_START + (_nr))
#define S5P6440_GPC(_nr)	(S5P6440_GPIO_C_START + (_nr))
#define S5P6440_GPF(_nr)	(S5P6440_GPIO_F_START + (_nr))
#define S5P6440_GPG(_nr)	(S5P6440_GPIO_G_START + (_nr))
#define S5P6440_GPH(_nr)	(S5P6440_GPIO_H_START + (_nr))
#define S5P6440_GPI(_nr)	(S5P6440_GPIO_I_START + (_nr))
#define S5P6440_GPJ(_nr)	(S5P6440_GPIO_J_START + (_nr))
#define S5P6440_GPN(_nr)	(S5P6440_GPIO_N_START + (_nr))
#define S5P6440_GPP(_nr)	(S5P6440_GPIO_P_START + (_nr))
#define S5P6440_GPR(_nr)	(S5P6440_GPIO_R_START + (_nr))

#define S5P6450_GPA(_nr)	(S5P6450_GPIO_A_START + (_nr))
#define S5P6450_GPB(_nr)	(S5P6450_GPIO_B_START + (_nr))
#define S5P6450_GPC(_nr)	(S5P6450_GPIO_C_START + (_nr))
#define S5P6450_GPD(_nr)	(S5P6450_GPIO_D_START + (_nr))
#define S5P6450_GPF(_nr)	(S5P6450_GPIO_F_START + (_nr))
#define S5P6450_GPG(_nr)	(S5P6450_GPIO_G_START + (_nr))
#define S5P6450_GPH(_nr)	(S5P6450_GPIO_H_START + (_nr))
#define S5P6450_GPI(_nr)	(S5P6450_GPIO_I_START + (_nr))
#define S5P6450_GPJ(_nr)	(S5P6450_GPIO_J_START + (_nr))
#define S5P6450_GPK(_nr)	(S5P6450_GPIO_K_START + (_nr))
#define S5P6450_GPN(_nr)	(S5P6450_GPIO_N_START + (_nr))
#define S5P6450_GPP(_nr)	(S5P6450_GPIO_P_START + (_nr))
#define S5P6450_GPQ(_nr)	(S5P6450_GPIO_Q_START + (_nr))
#define S5P6450_GPR(_nr)	(S5P6450_GPIO_R_START + (_nr))
#define S5P6450_GPS(_nr)	(S5P6450_GPIO_S_START + (_nr))

/* the end of the S5P64X0 specific gpios */

#define S5P6440_GPIO_END	(S5P6440_GPR(S5P6440_GPIO_R_NR) + 1)
#define S5P6450_GPIO_END	(S5P6450_GPS(S5P6450_GPIO_S_NR) + 1)

#define S5P64X0_GPIO_END	(S5P6440_GPIO_END > S5P6450_GPIO_END ?	\
				 S5P6440_GPIO_END : S5P6450_GPIO_END)

#define S3C_GPIO_END		S5P64X0_GPIO_END

/* define the number of gpios we need to the one after the last GPIO range */

#define ARCH_NR_GPIOS		(S5P64X0_GPIO_END + CONFIG_SAMSUNG_GPIO_EXTRA)

#endif /* __ASM_ARCH_GPIO_H */