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   1 /*
   2  *  linux/include/asm-arm/arch-pxa/pxafb.h
   3  *
   4  *  Support for the xscale frame buffer.
   5  *
   6  *  Author:     Jean-Frederic Clere
   7  *  Created:    Sep 22, 2003
   8  *  Copyright:  jfclere@sinix.net
   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 #include <linux/fb.h>
  16 #include <asm/arch/regs-lcd.h>
  17
  18 /*
  19  * This structure describes the machine which we are running on.
  20  * It is set in linux/arch/arm/mach-pxa/machine_name.c and used in the probe routine
  21  * of linux/drivers/video/pxafb.c
  22  */
  23 struct pxafb_mode_info {
  24         u_long          pixclock;
  25
  26         u_short         xres;
  27         u_short         yres;
  28
  29         u_char          bpp;
  30         u_char          hsync_len;
  31         u_char          left_margin;
  32         u_char          right_margin;
  33
  34         u_char          vsync_len;
  35         u_char          upper_margin;
  36         u_char          lower_margin;
  37         u_char          sync;
  38
  39         u_int           cmap_greyscale:1,
  40                         unused:31;
  41 };
  42
  43 struct pxafb_mach_info {
  44         struct pxafb_mode_info *modes;
  45         unsigned int num_modes;
  46
  47         u_int           fixed_modes:1,
  48                         cmap_inverse:1,
  49                         cmap_static:1,
  50                         unused:29;
  51
  52         /* The following should be defined in LCCR0
  53          *      LCCR0_Act or LCCR0_Pas          Active or Passive
  54          *      LCCR0_Sngl or LCCR0_Dual        Single/Dual panel
  55          *      LCCR0_Mono or LCCR0_Color       Mono/Color
  56          *      LCCR0_4PixMono or LCCR0_8PixMono (in mono single mode)
  57          *      LCCR0_DMADel(Tcpu) (optional)   DMA request delay
  58          *
  59          * The following should not be defined in LCCR0:
  60          *      LCCR0_OUM, LCCR0_BM, LCCR0_QDM, LCCR0_DIS, LCCR0_EFM
  61          *      LCCR0_IUM, LCCR0_SFM, LCCR0_LDM, LCCR0_ENB
  62          */
  63         u_int           lccr0;
  64         /* The following should be defined in LCCR3
  65          *      LCCR3_OutEnH or LCCR3_OutEnL    Output enable polarity
  66          *      LCCR3_PixRsEdg or LCCR3_PixFlEdg Pixel clock edge type
  67          *      LCCR3_Acb(X)                    AB Bias pin frequency
  68          *      LCCR3_DPC (optional)            Double Pixel Clock mode (untested)
  69          *
  70          * The following should not be defined in LCCR3
  71          *      LCCR3_HSP, LCCR3_VSP, LCCR0_Pcd(x), LCCR3_Bpp
  72          */
  73         u_int           lccr3;
  74         /* The following should be defined in LCCR4
  75          *      LCCR4_PAL_FOR_0 or LCCR4_PAL_FOR_1 or LCCR4_PAL_FOR_2
  76          *
  77          * All other bits in LCCR4 should be left alone.
  78          */
  79         u_int           lccr4;
  80         void (*pxafb_backlight_power)(int);
  81         void (*pxafb_lcd_power)(int, struct fb_var_screeninfo *);
  82
  83 };
  84 void set_pxa_fb_info(struct pxafb_mach_info *hard_pxa_fb_info);
  85 void set_pxa_fb_parent(struct device *parent_dev);
  86 unsigned long pxafb_get_hsync_time(struct device *dev);