gpio.h

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/* arch/arm/mach-s3c6400/include/mach/gpio.h
 *
 * Copyright 2008 Openmoko, Inc.
 * Copyright 2008 Simtec Electronics
 *  http://armlinux.simtec.co.uk/
 *  Ben Dooks <[email protected]>
 *
 * S3C6400 - 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.
*/

/* GPIO bank sizes */
#define S3C64XX_GPIO_A_NR   (8)
#define S3C64XX_GPIO_B_NR   (7)
#define S3C64XX_GPIO_C_NR   (8)
#define S3C64XX_GPIO_D_NR   (5)
#define S3C64XX_GPIO_E_NR   (5)
#define S3C64XX_GPIO_F_NR   (16)
#define S3C64XX_GPIO_G_NR   (7)
#define S3C64XX_GPIO_H_NR   (10)
#define S3C64XX_GPIO_I_NR   (16)
#define S3C64XX_GPIO_J_NR   (12)
#define S3C64XX_GPIO_K_NR   (16)
#define S3C64XX_GPIO_L_NR   (15)
#define S3C64XX_GPIO_M_NR   (6)
#define S3C64XX_GPIO_N_NR   (16)
#define S3C64XX_GPIO_O_NR   (16)
#define S3C64XX_GPIO_P_NR   (15)
#define S3C64XX_GPIO_Q_NR   (9)

/* GPIO bank numbes */

/* 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 S3C64XX_GPIO_NEXT(__gpio) \
    ((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 1)

enum s3c_gpio_number {
    S3C64XX_GPIO_A_START = 0,
    S3C64XX_GPIO_B_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_A),
    S3C64XX_GPIO_C_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_B),
    S3C64XX_GPIO_D_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_C),
    S3C64XX_GPIO_E_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_D),
    S3C64XX_GPIO_F_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_E),
    S3C64XX_GPIO_G_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_F),
    S3C64XX_GPIO_H_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_G),
    S3C64XX_GPIO_I_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_H),
    S3C64XX_GPIO_J_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_I),
    S3C64XX_GPIO_K_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_J),
    S3C64XX_GPIO_L_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_K),
    S3C64XX_GPIO_M_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_L),
    S3C64XX_GPIO_N_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_M),
    S3C64XX_GPIO_O_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_N),
    S3C64XX_GPIO_P_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_O),
    S3C64XX_GPIO_Q_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_P),
};

/* S3C64XX GPIO number definitions. */

#define S3C64XX_GPA(_nr)    (S3C64XX_GPIO_A_START + (_nr))
#define S3C64XX_GPB(_nr)    (S3C64XX_GPIO_B_START + (_nr))
#define S3C64XX_GPC(_nr)    (S3C64XX_GPIO_C_START + (_nr))
#define S3C64XX_GPD(_nr)    (S3C64XX_GPIO_D_START + (_nr))
#define S3C64XX_GPE(_nr)    (S3C64XX_GPIO_E_START + (_nr))
#define S3C64XX_GPF(_nr)    (S3C64XX_GPIO_F_START + (_nr))
#define S3C64XX_GPG(_nr)    (S3C64XX_GPIO_G_START + (_nr))
#define S3C64XX_GPH(_nr)    (S3C64XX_GPIO_H_START + (_nr))
#define S3C64XX_GPI(_nr)    (S3C64XX_GPIO_I_START + (_nr))
#define S3C64XX_GPJ(_nr)    (S3C64XX_GPIO_J_START + (_nr))
#define S3C64XX_GPK(_nr)    (S3C64XX_GPIO_K_START + (_nr))
#define S3C64XX_GPL(_nr)    (S3C64XX_GPIO_L_START + (_nr))
#define S3C64XX_GPM(_nr)    (S3C64XX_GPIO_M_START + (_nr))
#define S3C64XX_GPN(_nr)    (S3C64XX_GPIO_N_START + (_nr))
#define S3C64XX_GPO(_nr)    (S3C64XX_GPIO_O_START + (_nr))
#define S3C64XX_GPP(_nr)    (S3C64XX_GPIO_P_START + (_nr))
#define S3C64XX_GPQ(_nr)    (S3C64XX_GPIO_Q_START + (_nr))

/* the end of the S3C64XX specific gpios */
#define S3C64XX_GPIO_END    (S3C64XX_GPQ(S3C64XX_GPIO_Q_NR) + 1)
#define S3C_GPIO_END        S3C64XX_GPIO_END

/* define the number of gpios we need to the one after the GPQ() range */
#define GPIO_BOARD_START (S3C64XX_GPQ(S3C64XX_GPIO_Q_NR) + 1)

#define BOARD_NR_GPIOS  (16 + CONFIG_SAMSUNG_GPIO_EXTRA)

#define ARCH_NR_GPIOS   (GPIO_BOARD_START + BOARD_NR_GPIOS)