arch/arm/plat-s3c/include/plat/fb.h

   1 /* linux/arch/arm/plat-s3c/include/plat/fb.h
   2  *
   3  * Copyright 2008 Openmoko, Inc.
   4  * Copyright 2008 Simtec Electronics
   5  *      http://armlinux.simtec.co.uk/
   6  *      Ben Dooks <ben@simtec.co.uk>
   7  *
   8  * S3C - FB platform data definitions
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13 */
  14
  15 #ifndef __PLAT_S3C_FB_H
  16 #define __PLAT_S3C_FB_H __FILE__
  17
  18 /**
  19  * struct s3c_fb_pd_win - per window setup data
  20  * @win_mode: The display parameters to initialise (not for window 0)
  21  * @virtual_x: The virtual X size.
  22  * @virtual_y: The virtual Y size.
  23  */
  24 struct s3c_fb_pd_win {
  25         struct fb_videomode     win_mode;
  26
  27         unsigned short          default_bpp;
  28         unsigned short          max_bpp;
  29         unsigned short          virtual_x;
  30         unsigned short          virtual_y;
  31 };
  32
  33 /**
  34  * struct s3c_fb_platdata -  S3C driver platform specific information
  35  * @setup_gpio: Setup the external GPIO pins to the right state to transfer
  36  *              the data from the display system to the connected display
  37  *              device.
  38  * @vidcon0: The base vidcon0 values to control the panel data format.
  39  * @vidcon1: The base vidcon1 values to control the panel data output.
  40  * @win: The setup data for each hardware window, or NULL for unused.
  41  * @display_mode: The LCD output display mode.
  42  *
  43  * The platform data supplies the video driver with all the information
  44  * it requires to work with the display(s) attached to the machine. It
  45  * controls the initial mode, the number of display windows (0 is always
  46  * the base framebuffer) that are initialised etc.
  47  *
  48  */
  49 struct s3c_fb_platdata {
  50         void    (*setup_gpio)(void);
  51
  52         struct s3c_fb_pd_win    *win[S3C_FB_MAX_WIN];
  53
  54         u32                      vidcon0;
  55         u32                      vidcon1;
  56 };
  57
  58 /**
  59  * s3c_fb_set_platdata() - Setup the FB device with platform data.
  60  * @pd: The platform data to set. The data is copied from the passed structure
  61  *      so the machine data can mark the data __initdata so that any unused
  62  *      machines will end up dumping their data at runtime.
  63  */
  64 extern void s3c_fb_set_platdata(struct s3c_fb_platdata *pd);
  65
  66 /**
  67  * s3c64xx_fb_gpio_setup_24bpp() - S3C64XX setup function for 24bpp LCD
  68  *
  69  * Initialise the GPIO for an 24bpp LCD display on the RGB interface.
  70  */
  71 extern void s3c64xx_fb_gpio_setup_24bpp(void);
  72
  73 /**
  74  * s5pc100_fb_gpio_setup_24bpp() - S5PC100 setup function for 24bpp LCD
  75  *
  76  * Initialise the GPIO for an 24bpp LCD display on the RGB interface.
  77  */
  78 extern void s5pc100_fb_gpio_setup_24bpp(void);
  79
  80 #endif /* __PLAT_S3C_FB_H */