drivers/video/imxfb.h

   1 /*
   2  * linux/drivers/video/imxfb.h
   3  *
   4  *  Freescale i.MX Frame Buffer device driver
   5  *
   6  *  Copyright (C) 2004 S.Hauer, Pengutronix
   7  *
   8  *  Copyright (C) 1999 Eric A. Thomas
   9  *   Based on acornfb.c Copyright (C) Russell King.
  10  *
  11  * This file is subject to the terms and conditions of the GNU General Public
  12  * License.  See the file COPYING in the main directory of this archive
  13  * for more details.
  14  */
  15
  16 /*
  17  * These are the bitfields for each
  18  * display depth that we support.
  19  */
  20 struct imxfb_rgb {
  21         struct fb_bitfield      red;
  22         struct fb_bitfield      green;
  23         struct fb_bitfield      blue;
  24         struct fb_bitfield      transp;
  25 };
  26
  27 #define RGB_16  (0)
  28 #define RGB_8   (1)
  29 #define NR_RGB  2
  30
  31 struct imxfb_info {
  32         struct device           *dev;
  33         struct imxfb_rgb        *rgb[NR_RGB];
  34
  35         u_int                   max_bpp;
  36         u_int                   max_xres;
  37         u_int                   max_yres;
  38
  39         /*
  40          * These are the addresses we mapped
  41          * the framebuffer memory region to.
  42          */
  43         dma_addr_t              map_dma;
  44         u_char *                map_cpu;
  45         u_int                   map_size;
  46
  47         u_char *                screen_cpu;
  48         dma_addr_t              screen_dma;
  49         u_int                   palette_size;
  50
  51         dma_addr_t              dbar1;
  52         dma_addr_t              dbar2;
  53
  54         u_int                   pcr;
  55         u_int                   pwmr;
  56         u_int                   lscr1;
  57         u_int                   dmacr;
  58         u_int                   cmap_inverse:1,
  59                                 cmap_static:1,
  60                                 unused:30;
  61
  62         void (*lcd_power)(int);
  63         void (*backlight_power)(int);
  64 };
  65
  66 #define IMX_NAME        "IMX"
  67
  68 /*
  69  * Minimum X and Y resolutions
  70  */
  71 #define MIN_XRES        64
  72 #define MIN_YRES        64
  73