arch/avr32/boards/merisc/display.c

   1 /*
   2  * Display setup code for the Merisc board
   3  *
   4  * Copyright (C) 2008 Martinsson Elektronik AB
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10 #include <linux/init.h>
  11 #include <linux/platform_device.h>
  12 #include <linux/fb.h>
  13 #include <video/atmel_lcdc.h>
  14 #include <asm/setup.h>
  15 #include <mach/board.h>
  16 #include "merisc.h"
  17
  18 static struct fb_videomode merisc_fb_videomode[] = {
  19         {
  20                 .refresh        = 44,
  21                 .xres           = 640,
  22                 .yres           = 480,
  23                 .left_margin    = 96,
  24                 .right_margin   = 96,
  25                 .upper_margin   = 34,
  26                 .lower_margin   = 8,
  27                 .hsync_len      = 64,
  28                 .vsync_len      = 64,
  29                 .name           = "640x480 @ 44",
  30                 .pixclock       = KHZ2PICOS(25180),
  31                 .sync           = 0,
  32                 .vmode          = FB_VMODE_NONINTERLACED,
  33         },
  34 };
  35
  36 static struct fb_monspecs merisc_fb_monspecs = {
  37         .manufacturer   = "Kyo",
  38         .monitor        = "TCG075VG2AD",
  39         .modedb         = merisc_fb_videomode,
  40         .modedb_len     = ARRAY_SIZE(merisc_fb_videomode),
  41         .hfmin          = 30000,
  42         .hfmax          = 33333,
  43         .vfmin          = 60,
  44         .vfmax          = 90,
  45         .dclkmax        = 30000000,
  46 };
  47
  48 struct atmel_lcdfb_info merisc_lcdc_data = {
  49         .default_bpp            = 24,
  50         .default_dmacon         = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
  51         .default_lcdcon2        = (ATMEL_LCDC_DISTYPE_TFT
  52                                    | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
  53                                    | ATMEL_LCDC_MEMOR_BIG),
  54         .default_monspecs       = &merisc_fb_monspecs,
  55         .guard_time             = 2,
  56 };
  57
  58 static int __init merisc_display_init(void)
  59 {
  60         at32_add_device_lcdc(0, &merisc_lcdc_data, fbmem_start,
  61                              fbmem_size, 0);
  62
  63         return 0;
  64 }
  65 device_initcall(merisc_display_init);