setup-fimc.c

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/*
 * Copyright (C) 2011 Samsung Electronics Co., Ltd.
 *
 * Exynos4 camera interface GPIO configuration.
 *
 * 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.
 */

#include <linux/gpio.h>
#include <plat/gpio-cfg.h>
#include <plat/camport.h>

int exynos4_fimc_setup_gpio(enum s5p_camport_id id)
{
    u32 gpio8, gpio5;
    u32 sfn;
    int ret;

    switch (id) {
    case S5P_CAMPORT_A:
        gpio8 = EXYNOS4_GPJ0(0); /* PCLK, VSYNC, HREF, DATA[0:4] */
        gpio5 = EXYNOS4_GPJ1(0); /* DATA[5:7], CLKOUT, FIELD */
        sfn = S3C_GPIO_SFN(2);
        break;

    case S5P_CAMPORT_B:
        gpio8 = EXYNOS4_GPE0(0); /* DATA[0:7] */
        gpio5 = EXYNOS4_GPE1(0); /* PCLK, VSYNC, HREF, CLKOUT, FIELD */
        sfn = S3C_GPIO_SFN(3);
        break;

    default:
        WARN(1, "Wrong camport id: %d\n", id);
        return -EINVAL;
    }

    ret = s3c_gpio_cfgall_range(gpio8, 8, sfn, S3C_GPIO_PULL_UP);
    if (ret)
        return ret;

    return s3c_gpio_cfgall_range(gpio5, 5, sfn, S3C_GPIO_PULL_UP);
}