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

   1 /* arch/arm/plat-samsung/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 /* S3C_FB_MAX_WIN
  19  * Set to the maximum number of windows that any of the supported hardware
  20  * can use. Since the platform data uses this for an array size, having it
  21  * set to the maximum of any version of the hardware can do is safe.
  22  */
  23 #define S3C_FB_MAX_WIN  (5)
  24
  25 /**
  26  * struct s3c_fb_pd_win - per window setup data
  27  * @win_mode: The display parameters to initialise (not for window 0)
  28  * @virtual_x: The virtual X size.
  29  * @virtual_y: The virtual Y size.
  30  */
  31 struct s3c_fb_pd_win {
  32         struct fb_videomode     win_mode;
  33
  34         unsigned short          default_bpp;
  35         unsigned short          max_bpp;
  36         unsigned short          virtual_x;
  37         unsigned short          virtual_y;
  38 };
  39
  40 /**
  41  * struct s3c_fb_platdata -  S3C driver platform specific information
  42  * @setup_gpio: Setup the external GPIO pins to the right state to transfer
  43  *              the data from the display system to the connected display
  44  *              device.
  45  * @vidcon0: The base vidcon0 values to control the panel data format.
  46  * @vidcon1: The base vidcon1 values to control the panel data output.
  47  * @win: The setup data for each hardware window, or NULL for unused.
  48  * @display_mode: The LCD output display mode.
  49  *
  50  * The platform data supplies the video driver with all the information
  51  * it requires to work with the display(s) attached to the machine. It
  52  * controls the initial mode, the number of display windows (0 is always
  53  * the base framebuffer) that are initialised etc.
  54  *
  55  */
  56 struct s3c_fb_platdata {
  57         void    (*setup_gpio)(void);
  58
  59         struct s3c_fb_pd_win    *win[S3C_FB_MAX_WIN];
  60
  61         u32                      vidcon0;
  62         u32                      vidcon1;
  63 };
  64
  65 /**
  66  * s3c_fb_set_platdata() - Setup the FB device with platform data.
  67  * @pd: The platform data to set. The data is copied from the passed structure
  68  *      so the machine data can mark the data __initdata so that any unused
  69  *      machines will end up dumping their data at runtime.
  70  */
  71 extern void s3c_fb_set_platdata(struct s3c_fb_platdata *pd);
  72
  73 /**
  74  * s3c64xx_fb_gpio_setup_24bpp() - S3C64XX setup function for 24bpp LCD
  75  *
  76  * Initialise the GPIO for an 24bpp LCD display on the RGB interface.
  77  */
  78 extern void s3c64xx_fb_gpio_setup_24bpp(void);
  79
  80 /**
  81  * s5pc100_fb_gpio_setup_24bpp() - S5PC100 setup function for 24bpp LCD
  82  *
  83  * Initialise the GPIO for an 24bpp LCD display on the RGB interface.
  84  */
  85 extern void s5pc100_fb_gpio_setup_24bpp(void);
  86
  87 /**
  88  * s5pv210_fb_gpio_setup_24bpp() - S5PV210/S5PC110 setup function for 24bpp LCD
  89  *
  90  * Initialise the GPIO for an 24bpp LCD display on the RGB interface.
  91  */
  92 extern void s5pv210_fb_gpio_setup_24bpp(void);
  93
  94 #endif /* __PLAT_S3C_FB_H */