board/freescale/mpc8610hpcd/mpc8610hpcd_diu.c

   1 /*
   2  * Copyright 2007 Freescale Semiconductor, Inc.
   3  * York Sun <yorksun@freescale.com>
   4  *
   5  * FSL DIU Framebuffer driver
   6  *
   7  * See file CREDITS for list of people who contributed to this
   8  * project.
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License as
  12  * published by the Free Software Foundation; either version 2 of
  13  * the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  23  * MA 02111-1307 USA
  24  */
  25
  26 #include <common.h>
  27 #include <command.h>
  28 #include <asm/io.h>
  29
  30 #ifdef CONFIG_FSL_DIU_FB
  31
  32 #include "../common/pixis.h"
  33 #include "../common/fsl_diu_fb.h"
  34
  35 #if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
  36 #include <devices.h>
  37 #include <video_fb.h>
  38 #endif
  39
  40 extern unsigned int FSL_Logo_BMP[];
  41
  42 static int xres, yres;
  43
  44
  45 void mpc8610hpcd_diu_init(void)
  46 {
  47         char *monitor_port;
  48         int gamma_fix;
  49         unsigned int pixel_format;
  50         unsigned char tmp_val;
  51         unsigned char pixis_arch;
  52
  53         tmp_val = in8(PIXIS_BASE + PIXIS_BRDCFG0);
  54         pixis_arch = in8(PIXIS_BASE + PIXIS_VER);
  55
  56         monitor_port = getenv("monitor");
  57         if (!strncmp(monitor_port, "0", 1)) {   /* 0 - DVI */
  58                 xres = 1280;
  59                 yres = 1024;
  60                 if (pixis_arch == 0x01)
  61                         pixel_format = 0x88882317;
  62                 else
  63                         pixel_format = 0x88883316;
  64                 gamma_fix = 0;
  65                 out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val | 0x08);
  66
  67         } else if (!strncmp(monitor_port, "1", 1)) { /* 1 - Single link LVDS */
  68                 xres = 1024;
  69                 yres = 768;
  70                 pixel_format = 0x88883316;
  71                 gamma_fix = 0;
  72                 out8(PIXIS_BASE + PIXIS_BRDCFG0, (tmp_val & 0xf7) | 0x10);
  73
  74         } else if (!strncmp(monitor_port, "2", 1)) { /* 2 - Double link LVDS */
  75                 xres = 1280;
  76                 yres = 1024;
  77                 pixel_format = 0x88883316;
  78                 gamma_fix = 1;
  79                 out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val & 0xe7);
  80
  81         } else {        /* DVI */
  82                 xres = 1280;
  83                 yres = 1024;
  84                 pixel_format = 0x88882317;
  85                 gamma_fix = 0;
  86                 out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val | 0x08);
  87         }
  88
  89         fsl_diu_init(xres, pixel_format, gamma_fix,
  90                      (unsigned char *)FSL_Logo_BMP);
  91 }
  92
  93 int mpc8610diu_init_show_bmp(cmd_tbl_t *cmdtp,
  94                              int flag, int argc, char *argv[])
  95 {
  96         unsigned int addr;
  97
  98         if (argc < 2) {
  99                 printf ("Usage:\n%s\n", cmdtp->usage);
 100                 return 1;
 101         }
 102
 103         if (!strncmp(argv[1],"init",4)) {
 104 #if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
 105                 fsl_diu_clear_screen();
 106                 drv_video_init();
 107 #else
 108                 mpc8610hpcd_diu_init();
 109 #endif
 110         } else {
 111                 addr = simple_strtoul(argv[1], NULL, 16);
 112                 fsl_diu_clear_screen();
 113                 fsl_diu_display_bmp((unsigned char *)addr, 0, 0, 0);
 114         }
 115
 116         return 0;
 117 }
 118
 119 U_BOOT_CMD(
 120         diufb, CFG_MAXARGS, 1, mpc8610diu_init_show_bmp,
 121         "diufb init | addr - Init or Display BMP file\n",
 122         "init\n    - initialize DIU\n"
 123         "addr\n    - display bmp at address 'addr'\n"
 124         );
 125
 126
 127 #if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
 128
 129 /*
 130  * The Graphic Device
 131  */
 132 GraphicDevice ctfb;
 133 void *video_hw_init(void)
 134 {
 135         GraphicDevice *pGD = (GraphicDevice *) &ctfb;
 136         struct fb_info *info;
 137
 138         mpc8610hpcd_diu_init();
 139
 140         /* fill in Graphic device struct */
 141         sprintf(pGD->modeIdent,
 142                 "%dx%dx%d %ldkHz %ldHz",
 143                 xres, yres, 32, 64, 60);
 144
 145         pGD->frameAdrs = (unsigned int)fsl_fb_open(&info);
 146         pGD->winSizeX = xres;
 147         pGD->winSizeY = yres - info->logo_height;
 148         pGD->plnSizeX = pGD->winSizeX;
 149         pGD->plnSizeY = pGD->winSizeY;
 150
 151         pGD->gdfBytesPP = 4;
 152         pGD->gdfIndex = GDF_32BIT_X888RGB;
 153
 154         pGD->isaBase = 0;
 155         pGD->pciBase = 0;
 156         pGD->memSize = info->screen_size - info->logo_size;
 157
 158         /* Cursor Start Address */
 159         pGD->dprBase = 0;
 160         pGD->vprBase = 0;
 161         pGD->cprBase = 0;
 162
 163         return (void *)pGD;
 164 }
 165
 166 void video_set_lut (unsigned int index, /* color number */
 167                     unsigned char r,    /* red */
 168                     unsigned char g,    /* green */
 169                     unsigned char b     /* blue */
 170                     )
 171 {
 172         return;
 173 }
 174
 175 #endif /* defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE) */
 176
 177 #endif /* CONFIG_FSL_DIU_FB */