display.c

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/*
 * Display setup code for the Merisc board
 *
 * Copyright (C) 2008 Martinsson Elektronik AB
 *
 * 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/init.h>
#include <linux/platform_device.h>
#include <linux/fb.h>
#include <video/atmel_lcdc.h>
#include <asm/setup.h>
#include <mach/board.h>
#include "merisc.h"

static struct fb_videomode merisc_fb_videomode[] = {
    {
        .refresh    = 44,
        .xres       = 640,
        .yres       = 480,
        .left_margin    = 96,
        .right_margin   = 96,
        .upper_margin   = 34,
        .lower_margin   = 8,
        .hsync_len  = 64,
        .vsync_len  = 64,
        .name       = "640x480 @ 44",
        .pixclock   = KHZ2PICOS(25180),
        .sync       = 0,
        .vmode      = FB_VMODE_NONINTERLACED,
    },
};

static struct fb_monspecs merisc_fb_monspecs = {
    .manufacturer   = "Kyo",
    .monitor    = "TCG075VG2AD",
    .modedb     = merisc_fb_videomode,
    .modedb_len = ARRAY_SIZE(merisc_fb_videomode),
    .hfmin      = 30000,
    .hfmax      = 33333,
    .vfmin      = 60,
    .vfmax      = 90,
    .dclkmax    = 30000000,
};

struct atmel_lcdfb_info merisc_lcdc_data = {
    .default_bpp        = 24,
    .default_dmacon     = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
    .default_lcdcon2    = (ATMEL_LCDC_DISTYPE_TFT
                   | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
                   | ATMEL_LCDC_MEMOR_BIG),
    .default_monspecs   = &merisc_fb_monspecs,
    .guard_time     = 2,
};

static int __init merisc_display_init(void)
{
    at32_add_device_lcdc(0, &merisc_lcdc_data, fbmem_start,
                 fbmem_size, 0);

    return 0;
}
device_initcall(merisc_display_init);