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      1 /** @file
      2 
      3  Copyright (c) 2011, ARM Ltd. All rights reserved.<BR>
      4  This program and the accompanying materials
      5  are licensed and made available under the terms and conditions of the BSD License
      6  which accompanies this distribution.  The full text of the license may be found at
      7  http://opensource.org/licenses/bsd-license.php
      8 
      9  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
     10  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
     11 
     12  **/
     13 
     14 #ifndef __LCDPLATFORMLIB_H
     15 #define __LCDPLATFORMLIB_H
     16 
     17 #include <Protocol/GraphicsOutput.h>
     18 
     19 #define LCD_VRAM_SIZE                     SIZE_8MB
     20 
     21 //
     22 // Modes definitions
     23 //
     24 #define VGA                               0
     25 #define SVGA                              1
     26 #define XGA                               2
     27 #define SXGA                              3
     28 #define WSXGA                             4
     29 #define UXGA                              5
     30 #define HD                                6
     31 
     32 //
     33 // VGA Mode: 640 x 480
     34 //
     35 #define VGA_H_RES_PIXELS                  640
     36 #define VGA_V_RES_PIXELS                  480
     37 #define VGA_OSC_FREQUENCY                 23750000  /* 0x016A6570 */
     38 
     39 #define VGA_H_SYNC                        ( 80 - 1)
     40 #define VGA_H_FRONT_PORCH                 ( 16 - 1)
     41 #define VGA_H_BACK_PORCH                  ( 64 - 1)
     42 
     43 #define VGA_V_SYNC                        (  4 - 1)
     44 #define VGA_V_FRONT_PORCH                 (  3 - 1)
     45 #define VGA_V_BACK_PORCH                  ( 13 - 1)
     46 
     47 //
     48 // SVGA Mode: 800 x 600
     49 //
     50 #define SVGA_H_RES_PIXELS                 800
     51 #define SVGA_V_RES_PIXELS                 600
     52 #define SVGA_OSC_FREQUENCY                38250000  /* 0x0247A610 */
     53 
     54 #define SVGA_H_SYNC                       ( 80 - 1)
     55 #define SVGA_H_FRONT_PORCH                ( 32 - 1)
     56 #define SVGA_H_BACK_PORCH                 (112 - 1)
     57 
     58 #define SVGA_V_SYNC                       (  4 - 1)
     59 #define SVGA_V_FRONT_PORCH                (  3 - 1)
     60 #define SVGA_V_BACK_PORCH                 ( 17 - 1)
     61 
     62 //
     63 // XGA Mode: 1024 x 768
     64 //
     65 #define XGA_H_RES_PIXELS                  1024
     66 #define XGA_V_RES_PIXELS                  768
     67 #define XGA_OSC_FREQUENCY                 63500000  /* 0x03C8EEE0 */
     68 
     69 #define XGA_H_SYNC                        (104 - 1)
     70 #define XGA_H_FRONT_PORCH                 ( 48 - 1)
     71 #define XGA_H_BACK_PORCH                  (152 - 1)
     72 
     73 #define XGA_V_SYNC                        (  4 - 1)
     74 #define XGA_V_FRONT_PORCH                 (  3 - 1)
     75 #define XGA_V_BACK_PORCH                  ( 23 - 1)
     76 
     77 //
     78 // SXGA Mode: 1280 x 1024
     79 //
     80 #define SXGA_H_RES_PIXELS                 1280
     81 #define SXGA_V_RES_PIXELS                 1024
     82 #define SXGA_OSC_FREQUENCY                109000000  /* 0x067F3540 */
     83 
     84 #define SXGA_H_SYNC                       (136 - 1)
     85 #define SXGA_H_FRONT_PORCH                ( 80 - 1)
     86 #define SXGA_H_BACK_PORCH                 (216 - 1)
     87 
     88 #define SXGA_V_SYNC                       (  7 - 1)
     89 #define SXGA_V_FRONT_PORCH                (  3 - 1)
     90 #define SXGA_V_BACK_PORCH                 ( 29 - 1)
     91 
     92 //
     93 // WSXGA+ Mode: 1680 x 1050
     94 //
     95 #define WSXGA_H_RES_PIXELS                1680
     96 #define WSXGA_V_RES_PIXELS                1050
     97 #define WSXGA_OSC_FREQUENCY               147000000  /* 0x08C30AC0 */
     98 
     99 #define WSXGA_H_SYNC                      (170 - 1)
    100 #define WSXGA_H_FRONT_PORCH               (104 - 1)
    101 #define WSXGA_H_BACK_PORCH                (274 - 1)
    102 
    103 #define WSXGA_V_SYNC                      (  5 - 1)
    104 #define WSXGA_V_FRONT_PORCH               (  4 - 1)
    105 #define WSXGA_V_BACK_PORCH                ( 41 - 1)
    106 
    107 //
    108 // UXGA Mode: 1600 x 1200
    109 //
    110 #define UXGA_H_RES_PIXELS                 1600
    111 #define UXGA_V_RES_PIXELS                 1200
    112 #define UXGA_OSC_FREQUENCY                161000000  /* 0x0998AA40 */
    113 
    114 #define UXGA_H_SYNC                       (168 - 1)
    115 #define UXGA_H_FRONT_PORCH                (112 - 1)
    116 #define UXGA_H_BACK_PORCH                 (280 - 1)
    117 
    118 #define UXGA_V_SYNC                       (  4 - 1)
    119 #define UXGA_V_FRONT_PORCH                (  3 - 1)
    120 #define UXGA_V_BACK_PORCH                 ( 38 - 1)
    121 
    122 //
    123 // HD Mode: 1920 x 1080
    124 //
    125 #define HD_H_RES_PIXELS                   1920
    126 #define HD_V_RES_PIXELS                   1080
    127 #define HD_OSC_FREQUENCY                  165000000  /* 0x09D5B340 */
    128 
    129 #define HD_H_SYNC                         ( 79 - 1)
    130 #define HD_H_FRONT_PORCH                  (128 - 1)
    131 #define HD_H_BACK_PORCH                   (328 - 1)
    132 
    133 #define HD_V_SYNC                         (  5 - 1)
    134 #define HD_V_FRONT_PORCH                  (  3 - 1)
    135 #define HD_V_BACK_PORCH                   ( 32 - 1)
    136 
    137 //
    138 // Colour Masks
    139 //
    140 
    141 #define LCD_24BPP_RED_MASK              0x00FF0000
    142 #define LCD_24BPP_GREEN_MASK            0x0000FF00
    143 #define LCD_24BPP_BLUE_MASK             0x000000FF
    144 #define LCD_24BPP_RESERVED_MASK         0xFF000000
    145 
    146 #define LCD_16BPP_555_RED_MASK          0x00007C00
    147 #define LCD_16BPP_555_GREEN_MASK        0x000003E0
    148 #define LCD_16BPP_555_BLUE_MASK         0x0000001F
    149 #define LCD_16BPP_555_RESERVED_MASK     0x00000000
    150 
    151 #define LCD_16BPP_565_RED_MASK          0x0000F800
    152 #define LCD_16BPP_565_GREEN_MASK        0x000007E0
    153 #define LCD_16BPP_565_BLUE_MASK         0x0000001F
    154 #define LCD_16BPP_565_RESERVED_MASK     0x00008000
    155 
    156 #define LCD_12BPP_444_RED_MASK          0x00000F00
    157 #define LCD_12BPP_444_GREEN_MASK        0x000000F0
    158 #define LCD_12BPP_444_BLUE_MASK         0x0000000F
    159 #define LCD_12BPP_444_RESERVED_MASK     0x0000F000
    160 
    161 
    162 // The enumeration indexes maps the PL111 LcdBpp values used in the LCD Control Register
    163 typedef enum {
    164   LCD_BITS_PER_PIXEL_1 = 0,
    165   LCD_BITS_PER_PIXEL_2,
    166   LCD_BITS_PER_PIXEL_4,
    167   LCD_BITS_PER_PIXEL_8,
    168   LCD_BITS_PER_PIXEL_16_555,
    169   LCD_BITS_PER_PIXEL_24,
    170   LCD_BITS_PER_PIXEL_16_565,
    171   LCD_BITS_PER_PIXEL_12_444
    172 } LCD_BPP;
    173 
    174 
    175 EFI_STATUS
    176 LcdPlatformInitializeDisplay (
    177   IN EFI_HANDLE   Handle
    178   );
    179 
    180 EFI_STATUS
    181 LcdPlatformGetVram (
    182   OUT EFI_PHYSICAL_ADDRESS*                 VramBaseAddress,
    183   OUT UINTN*                                VramSize
    184   );
    185 
    186 UINT32
    187 LcdPlatformGetMaxMode (
    188   VOID
    189   );
    190 
    191 EFI_STATUS
    192 LcdPlatformSetMode (
    193   IN UINT32                                 ModeNumber
    194   );
    195 
    196 EFI_STATUS
    197 LcdPlatformQueryMode (
    198   IN  UINT32                                ModeNumber,
    199   OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION  *Info
    200   );
    201 
    202 EFI_STATUS
    203 LcdPlatformGetTimings (
    204   IN  UINT32                              ModeNumber,
    205   OUT UINT32*                             HRes,
    206   OUT UINT32*                             HSync,
    207   OUT UINT32*                             HBackPorch,
    208   OUT UINT32*                             HFrontPorch,
    209   OUT UINT32*                             VRes,
    210   OUT UINT32*                             VSync,
    211   OUT UINT32*                             VBackPorch,
    212   OUT UINT32*                             VFrontPorch
    213   );
    214 
    215 EFI_STATUS
    216 LcdPlatformGetBpp (
    217   IN  UINT32                                ModeNumber,
    218   OUT LCD_BPP*                              Bpp
    219   );
    220 
    221 #endif
    222