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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