lcd_inn1610.c

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/*
 * LCD panel support for the TI OMAP1610 Innovator board
 *
 * Copyright (C) 2004 Nokia Corporation
 * Author: Imre Deak <[email protected]>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#include <linux/module.h>
#include <linux/platform_device.h>

#include <linux/gpio.h>
#include "omapfb.h"

#define MODULE_NAME "omapfb-lcd_h3"

static int innovator1610_panel_init(struct lcd_panel *panel,
                    struct omapfb_device *fbdev)
{
    int r = 0;

    /* configure GPIO(14, 15) as outputs */
    if (gpio_request_one(14, GPIOF_OUT_INIT_LOW, "lcd_en0")) {
        pr_err(MODULE_NAME ": can't request GPIO 14\n");
        r = -1;
        goto exit;
    }
    if (gpio_request_one(15, GPIOF_OUT_INIT_LOW, "lcd_en1")) {
        pr_err(MODULE_NAME ": can't request GPIO 15\n");
        gpio_free(14);
        r = -1;
        goto exit;
    }
exit:
    return r;
}

static void innovator1610_panel_cleanup(struct lcd_panel *panel)
{
    gpio_free(15);
    gpio_free(14);
}

static int innovator1610_panel_enable(struct lcd_panel *panel)
{
    /* set GPIO14 and GPIO15 high */
    gpio_set_value(14, 1);
    gpio_set_value(15, 1);
    return 0;
}

static void innovator1610_panel_disable(struct lcd_panel *panel)
{
    /* set GPIO13, GPIO14 and GPIO15 low */
    gpio_set_value(14, 0);
    gpio_set_value(15, 0);
}

static unsigned long innovator1610_panel_get_caps(struct lcd_panel *panel)
{
    return 0;
}

struct lcd_panel innovator1610_panel = {
    .name       = "inn1610",
    .config     = OMAP_LCDC_PANEL_TFT,

    .bpp        = 16,
    .data_lines = 16,
    .x_res      = 320,
    .y_res      = 240,
    .pixel_clock    = 12500,
    .hsw        = 40,
    .hfp        = 40,
    .hbp        = 72,
    .vsw        = 1,
    .vfp        = 1,
    .vbp        = 0,
    .pcd        = 12,

    .init       = innovator1610_panel_init,
    .cleanup    = innovator1610_panel_cleanup,
    .enable     = innovator1610_panel_enable,
    .disable    = innovator1610_panel_disable,
    .get_caps   = innovator1610_panel_get_caps,
};

static int innovator1610_panel_probe(struct platform_device *pdev)
{
    omapfb_register_panel(&innovator1610_panel);
    return 0;
}

static int innovator1610_panel_remove(struct platform_device *pdev)
{
    return 0;
}

static int innovator1610_panel_suspend(struct platform_device *pdev,
                       pm_message_t mesg)
{
    return 0;
}

static int innovator1610_panel_resume(struct platform_device *pdev)
{
    return 0;
}

static struct platform_driver innovator1610_panel_driver = {
    .probe      = innovator1610_panel_probe,
    .remove     = innovator1610_panel_remove,
    .suspend    = innovator1610_panel_suspend,
    .resume     = innovator1610_panel_resume,
    .driver     = {
        .name   = "lcd_inn1610",
        .owner  = THIS_MODULE,
    },
};

module_platform_driver(innovator1610_panel_driver);