drivers/video/sa1100fb.h

   1 /*
   2  * linux/drivers/video/sa1100fb.h
   3  *    -- StrongARM 1100 LCD Controller Frame Buffer Device
   4  *
   5  *  Copyright (C) 1999 Eric A. Thomas
   6  *   Based on acornfb.c Copyright (C) Russell King.
   7  *
   8  * This file is subject to the terms and conditions of the GNU General Public
   9  * License.  See the file COPYING in the main directory of this archive
  10  * for more details.
  11  */
  12
  13 /* Shadows for LCD controller registers */
  14 struct sa1100fb_lcd_reg {
  15         unsigned long lccr0;
  16         unsigned long lccr1;
  17         unsigned long lccr2;
  18         unsigned long lccr3;
  19 };
  20
  21 struct sa1100fb_info {
  22         struct fb_info          fb;
  23         struct device           *dev;
  24         const struct sa1100fb_rgb *rgb[NR_RGB];
  25
  26         u_int                   max_bpp;
  27         u_int                   max_xres;
  28         u_int                   max_yres;
  29
  30         /*
  31          * These are the addresses we mapped
  32          * the framebuffer memory region to.
  33          */
  34         dma_addr_t              map_dma;
  35         u_char *                map_cpu;
  36         u_int                   map_size;
  37
  38         u_char *                screen_cpu;
  39         dma_addr_t              screen_dma;
  40         u16 *                   palette_cpu;
  41         dma_addr_t              palette_dma;
  42         u_int                   palette_size;
  43
  44         dma_addr_t              dbar1;
  45         dma_addr_t              dbar2;
  46
  47         u_int                   lccr0;
  48         u_int                   lccr3;
  49         u_int                   cmap_inverse:1,
  50                                 cmap_static:1,
  51                                 unused:30;
  52
  53         u_int                   reg_lccr0;
  54         u_int                   reg_lccr1;
  55         u_int                   reg_lccr2;
  56         u_int                   reg_lccr3;
  57
  58         volatile u_char         state;
  59         volatile u_char         task_state;
  60         struct mutex            ctrlr_lock;
  61         wait_queue_head_t       ctrlr_wait;
  62         struct work_struct      task;
  63
  64 #ifdef CONFIG_CPU_FREQ
  65         struct notifier_block   freq_transition;
  66         struct notifier_block   freq_policy;
  67 #endif
  68
  69         const struct sa1100fb_mach_info *inf;
  70 };
  71
  72 #define TO_INF(ptr,member)      container_of(ptr,struct sa1100fb_info,member)
  73
  74 #define SA1100_PALETTE_MODE_VAL(bpp)    (((bpp) & 0x018) << 9)
  75
  76 /*
  77  * These are the actions for set_ctrlr_state
  78  */
  79 #define C_DISABLE               (0)
  80 #define C_ENABLE                (1)
  81 #define C_DISABLE_CLKCHANGE     (2)
  82 #define C_ENABLE_CLKCHANGE      (3)
  83 #define C_REENABLE              (4)
  84 #define C_DISABLE_PM            (5)
  85 #define C_ENABLE_PM             (6)
  86 #define C_STARTUP               (7)
  87
  88 #define SA1100_NAME     "SA1100"
  89
  90 /*
  91  * Minimum X and Y resolutions
  92  */
  93 #define MIN_XRES        64
  94 #define MIN_YRES        64
  95