lcd_h3.c

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/*
 * LCD panel support for the TI OMAP H3 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/i2c/tps65010.h>

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

#define MODULE_NAME "omapfb-lcd_h3"

static int h3_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev)
{
    return 0;
}

static void h3_panel_cleanup(struct lcd_panel *panel)
{
}

static int h3_panel_enable(struct lcd_panel *panel)
{
    int r = 0;

    /* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */
    r = tps65010_set_gpio_out_value(GPIO1, HIGH);
    if (!r)
        r = tps65010_set_gpio_out_value(GPIO2, HIGH);
    if (r)
        pr_err(MODULE_NAME ": Unable to turn on LCD panel\n");

    return r;
}

static void h3_panel_disable(struct lcd_panel *panel)
{
    int r = 0;

    /* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */
    r = tps65010_set_gpio_out_value(GPIO1, LOW);
    if (!r)
        tps65010_set_gpio_out_value(GPIO2, LOW);
    if (r)
        pr_err(MODULE_NAME ": Unable to turn off LCD panel\n");
}

static unsigned long h3_panel_get_caps(struct lcd_panel *panel)
{
    return 0;
}

struct lcd_panel h3_panel = {
    .name       = "h3",
    .config     = OMAP_LCDC_PANEL_TFT,

    .data_lines = 16,
    .bpp        = 16,
    .x_res      = 240,
    .y_res      = 320,
    .pixel_clock    = 12000,
    .hsw        = 12,
    .hfp        = 14,
    .hbp        = 72 - 12,
    .vsw        = 1,
    .vfp        = 1,
    .vbp        = 0,
    .pcd        = 0,

    .init       = h3_panel_init,
    .cleanup    = h3_panel_cleanup,
    .enable     = h3_panel_enable,
    .disable    = h3_panel_disable,
    .get_caps   = h3_panel_get_caps,
};

static int h3_panel_probe(struct platform_device *pdev)
{
    omapfb_register_panel(&h3_panel);
    return 0;
}

static int h3_panel_remove(struct platform_device *pdev)
{
    return 0;
}

static int h3_panel_suspend(struct platform_device *pdev, pm_message_t mesg)
{
    return 0;
}

static int h3_panel_resume(struct platform_device *pdev)
{
    return 0;
}

static struct platform_driver h3_panel_driver = {
    .probe      = h3_panel_probe,
    .remove     = h3_panel_remove,
    .suspend    = h3_panel_suspend,
    .resume     = h3_panel_resume,
    .driver     = {
        .name   = "lcd_h3",
        .owner  = THIS_MODULE,
    },
};

module_platform_driver(h3_panel_driver);