/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright 2008 Openmoko, Inc.
 * Copyright 2008 Simtec Electronics
 *      http://armlinux.simtec.co.uk/
 *      Ben Dooks <ben@simtec.co.uk>
 *
 * S3C6400 - GPIO lib support
 */

#ifndef GPIO_SAMSUNG_S3C64XX_H
#define GPIO_SAMSUNG_S3C64XX_H

#ifdef CONFIG_GPIO_SAMSUNG

/* 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)

#endif /* GPIO_SAMSUNG */
#endif /* GPIO_SAMSUNG_S3C64XX_H */