include/linux/mxsfb.h

   1 /*
   2  * This program is free software; you can redistribute it and/or
   3  * modify it under the terms of the GNU General Public License
   4  * as published by the Free Software Foundation; either version 2
   5  * of the License, or (at your option) any later version.
   6  * This program is distributed in the hope that it will be useful,
   7  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   8  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   9  * GNU General Public License for more details.
  10  *
  11  * You should have received a copy of the GNU General Public License
  12  * along with this program; if not, write to the Free Software
  13  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  14  * MA 02110-1301, USA.
  15  */
  16
  17 #ifndef __LINUX_MXSFB_H
  18 #define __LINUX_MXSFB_H
  19
  20 #include <linux/fb.h>
  21
  22 #define STMLCDIF_8BIT 1 /** pixel data bus to the display is of 8 bit width */
  23 #define STMLCDIF_16BIT 0 /** pixel data bus to the display is of 16 bit width */
  24 #define STMLCDIF_18BIT 2 /** pixel data bus to the display is of 18 bit width */
  25 #define STMLCDIF_24BIT 3 /** pixel data bus to the display is of 24 bit width */
  26
  27 #define FB_SYNC_DATA_ENABLE_HIGH_ACT    (1 << 6)
  28 #define FB_SYNC_DOTCLK_FAILING_ACT      (1 << 7) /* failing/negtive edge sampling */
  29
  30 struct mxsfb_platform_data {
  31         struct fb_videomode *mode_list;
  32         unsigned mode_count;
  33
  34         unsigned default_bpp;
  35
  36         unsigned dotclk_delay;  /* refer manual HW_LCDIF_VDCTRL4 register */
  37         unsigned ld_intf_width; /* refer STMLCDIF_* macros */
  38
  39         unsigned fb_size;       /* Size of the video memory. If zero a
  40                                  * default will be used
  41                                  */
  42         unsigned long fb_phys;  /* physical address for the video memory. If
  43                                  * zero the framebuffer memory will be dynamically
  44                                  * allocated. If specified,fb_size must also be specified.
  45                                  * fb_phys must be unused by Linux.
  46                                  */
  47 };
  48
  49 #endif /* __LINUX_MXSFB_H */