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9bc6ef02 | 1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2011, ARM Ltd. All rights reserved.<BR>\r | |
4 | This program and the accompanying materials\r | |
5 | are licensed and made available under the terms and conditions of the BSD License\r | |
6 | which accompanies this distribution. The full text of the license may be found at\r | |
7 | http://opensource.org/licenses/bsd-license.php\r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11 | \r | |
12 | **/\r | |
13 | \r | |
14 | #include <PiDxe.h>\r | |
15 | \r | |
16 | #include <Library/LcdPlatformLib.h>\r | |
17 | #include <Library/IoLib.h>\r | |
18 | #include <Library/DebugLib.h>\r | |
19 | \r | |
20 | #include <Drivers/PL111Lcd.h>\r | |
21 | \r | |
22 | #include <ArmPlatform.h>\r | |
23 | \r | |
24 | typedef struct {\r | |
25 | UINT32 Mode;\r | |
26 | UINT32 HorizontalResolution;\r | |
27 | UINT32 VerticalResolution;\r | |
28 | LCD_BPP Bpp;\r | |
29 | UINT32 ClcdClk;\r | |
30 | \r | |
31 | UINT32 HSync;\r | |
32 | UINT32 HBackPorch;\r | |
33 | UINT32 HFrontPorch;\r | |
34 | UINT32 VSync;\r | |
35 | UINT32 VBackPorch;\r | |
36 | UINT32 VFrontPorch;\r | |
37 | } CLCD_RESOLUTION;\r | |
38 | \r | |
39 | \r | |
40 | CLCD_RESOLUTION mResolutions[] = {\r | |
41 | { // Mode 0 : VGA : 640 x 480 x 24 bpp\r | |
42 | VGA, VGA_H_RES_PIXELS, VGA_V_RES_PIXELS, LCD_BITS_PER_PIXEL_24, 0x2C77,\r | |
43 | VGA_H_SYNC, VGA_H_BACK_PORCH, VGA_H_FRONT_PORCH,\r | |
44 | VGA_V_SYNC, VGA_V_BACK_PORCH, VGA_V_FRONT_PORCH\r | |
45 | },\r | |
46 | { // Mode 1 : SVGA : 800 x 600 x 24 bpp\r | |
47 | SVGA, SVGA_H_RES_PIXELS, SVGA_V_RES_PIXELS, LCD_BITS_PER_PIXEL_24, 0x2CAC,\r | |
48 | SVGA_H_SYNC, SVGA_H_BACK_PORCH, SVGA_H_FRONT_PORCH,\r | |
49 | SVGA_V_SYNC, SVGA_V_BACK_PORCH, SVGA_V_FRONT_PORCH\r | |
50 | }\r | |
51 | };\r | |
52 | \r | |
53 | \r | |
54 | EFI_STATUS\r | |
55 | LcdPlatformInitializeDisplay (\r | |
56 | VOID\r | |
57 | )\r | |
58 | {\r | |
59 | MmioWrite32(ARM_EB_SYS_CLCD_REG, 1);\r | |
60 | \r | |
61 | return EFI_SUCCESS;\r | |
62 | }\r | |
63 | \r | |
64 | EFI_STATUS\r | |
65 | LcdPlatformGetVram (\r | |
66 | OUT EFI_PHYSICAL_ADDRESS* VramBaseAddress,\r | |
67 | OUT UINTN* VramSize\r | |
68 | )\r | |
69 | {\r | |
70 | *VramBaseAddress = PL111_CLCD_VRAM_BASE;\r | |
71 | *VramSize = SIZE_8MB; //FIXME: Can this size change ?\r | |
72 | return EFI_SUCCESS;\r | |
73 | }\r | |
74 | \r | |
75 | UINT32\r | |
76 | LcdPlatformGetMaxMode (\r | |
77 | VOID\r | |
78 | )\r | |
79 | {\r | |
80 | return (sizeof(mResolutions) / sizeof(CLCD_RESOLUTION));\r | |
81 | }\r | |
82 | \r | |
83 | EFI_STATUS\r | |
84 | LcdPlatformSetMode (\r | |
85 | IN UINT32 ModeNumber\r | |
86 | )\r | |
87 | {\r | |
88 | if (ModeNumber >= LcdPlatformGetMaxMode ()) {\r | |
89 | return EFI_INVALID_PARAMETER;\r | |
90 | }\r | |
91 | \r | |
92 | MmioWrite32(ARM_EB_SYS_LOCK_REG,0x0000A05F);\r | |
93 | MmioWrite32(ARM_EB_SYS_OSC4_REG,mResolutions[ModeNumber].ClcdClk);\r | |
94 | MmioWrite32(ARM_EB_SYS_LOCK_REG,0x0);\r | |
95 | \r | |
96 | return EFI_SUCCESS;\r | |
97 | }\r | |
98 | \r | |
99 | EFI_STATUS\r | |
100 | LcdPlatformQueryMode (\r | |
101 | IN UINT32 ModeNumber,\r | |
102 | OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info\r | |
103 | )\r | |
104 | {\r | |
105 | EFI_STATUS Status;\r | |
106 | \r | |
107 | if (ModeNumber >= LcdPlatformGetMaxMode ()) {\r | |
108 | return EFI_INVALID_PARAMETER;\r | |
109 | }\r | |
110 | \r | |
111 | Status = EFI_UNSUPPORTED;\r | |
112 | \r | |
113 | Info->Version = 0;\r | |
114 | Info->HorizontalResolution = mResolutions[ModeNumber].HorizontalResolution;\r | |
115 | Info->VerticalResolution = mResolutions[ModeNumber].VerticalResolution;\r | |
116 | Info->PixelsPerScanLine = mResolutions[ModeNumber].HorizontalResolution;\r | |
117 | \r | |
118 | switch (mResolutions[ModeNumber].Bpp) {\r | |
119 | case LCD_BITS_PER_PIXEL_24:\r | |
120 | Info->PixelFormat = PixelRedGreenBlueReserved8BitPerColor;\r | |
121 | Info->PixelInformation.RedMask = LCD_24BPP_RED_MASK;\r | |
122 | Info->PixelInformation.GreenMask = LCD_24BPP_GREEN_MASK;\r | |
123 | Info->PixelInformation.BlueMask = LCD_24BPP_BLUE_MASK;\r | |
124 | Info->PixelInformation.ReservedMask = LCD_24BPP_RESERVED_MASK;\r | |
125 | Status = EFI_SUCCESS;\r | |
126 | break;\r | |
127 | \r | |
128 | case LCD_BITS_PER_PIXEL_16_555:\r | |
129 | Info->PixelFormat = PixelBitMask;\r | |
130 | Info->PixelInformation.RedMask = LCD_16BPP_555_RED_MASK;\r | |
131 | Info->PixelInformation.GreenMask = LCD_16BPP_555_GREEN_MASK;\r | |
132 | Info->PixelInformation.BlueMask = LCD_16BPP_555_BLUE_MASK;\r | |
133 | Info->PixelInformation.ReservedMask = LCD_16BPP_555_RESERVED_MASK;\r | |
134 | Status = EFI_SUCCESS;\r | |
135 | break;\r | |
136 | \r | |
137 | case LCD_BITS_PER_PIXEL_16_565:\r | |
138 | Info->PixelFormat = PixelBitMask;\r | |
139 | Info->PixelInformation.RedMask = LCD_16BPP_565_RED_MASK;\r | |
140 | Info->PixelInformation.GreenMask = LCD_16BPP_565_GREEN_MASK;\r | |
141 | Info->PixelInformation.BlueMask = LCD_16BPP_565_BLUE_MASK;\r | |
142 | Info->PixelInformation.ReservedMask = LCD_16BPP_565_RESERVED_MASK;\r | |
143 | Status = EFI_SUCCESS;\r | |
144 | break;\r | |
145 | \r | |
146 | case LCD_BITS_PER_PIXEL_12_444:\r | |
147 | Info->PixelFormat = PixelBitMask;\r | |
148 | Info->PixelInformation.RedMask = LCD_12BPP_444_RED_MASK;\r | |
149 | Info->PixelInformation.GreenMask = LCD_12BPP_444_GREEN_MASK;\r | |
150 | Info->PixelInformation.BlueMask = LCD_12BPP_444_BLUE_MASK;\r | |
151 | Info->PixelInformation.ReservedMask = LCD_12BPP_444_RESERVED_MASK;\r | |
152 | Status = EFI_SUCCESS;\r | |
153 | break;\r | |
154 | \r | |
155 | case LCD_BITS_PER_PIXEL_8:\r | |
156 | case LCD_BITS_PER_PIXEL_4:\r | |
157 | case LCD_BITS_PER_PIXEL_2:\r | |
158 | case LCD_BITS_PER_PIXEL_1:\r | |
159 | default:\r | |
160 | // These are not supported\r | |
161 | break;\r | |
162 | }\r | |
163 | \r | |
164 | return Status;\r | |
165 | }\r | |
166 | \r | |
167 | EFI_STATUS\r | |
168 | LcdPlatformGetTimings (\r | |
169 | IN UINT32 ModeNumber,\r | |
170 | OUT UINT32* HRes,\r | |
171 | OUT UINT32* HSync,\r | |
172 | OUT UINT32* HBackPorch,\r | |
173 | OUT UINT32* HFrontPorch,\r | |
174 | OUT UINT32* VRes,\r | |
175 | OUT UINT32* VSync,\r | |
176 | OUT UINT32* VBackPorch,\r | |
177 | OUT UINT32* VFrontPorch\r | |
178 | )\r | |
179 | {\r | |
180 | if (ModeNumber >= LcdPlatformGetMaxMode ()) {\r | |
181 | return EFI_INVALID_PARAMETER;\r | |
182 | }\r | |
183 | \r | |
184 | *HRes = mResolutions[ModeNumber].HorizontalResolution;\r | |
185 | *HSync = mResolutions[ModeNumber].HSync;\r | |
186 | *HBackPorch = mResolutions[ModeNumber].HBackPorch;\r | |
187 | *HFrontPorch = mResolutions[ModeNumber].HFrontPorch;\r | |
188 | *VRes = mResolutions[ModeNumber].VerticalResolution;\r | |
189 | *VSync = mResolutions[ModeNumber].VSync;\r | |
190 | *VBackPorch = mResolutions[ModeNumber].VBackPorch;\r | |
191 | *VFrontPorch = mResolutions[ModeNumber].VFrontPorch;\r | |
192 | \r | |
193 | return EFI_SUCCESS;\r | |
194 | }\r | |
195 | \r | |
196 | EFI_STATUS\r | |
197 | LcdPlatformGetBpp (\r | |
198 | IN UINT32 ModeNumber,\r | |
199 | OUT LCD_BPP * Bpp\r | |
200 | )\r | |
201 | {\r | |
202 | if (ModeNumber >= LcdPlatformGetMaxMode ()) {\r | |
203 | return EFI_INVALID_PARAMETER;\r | |
204 | }\r | |
205 | \r | |
206 | *Bpp = mResolutions[ModeNumber].Bpp;\r | |
207 | \r | |
208 | return EFI_SUCCESS;\r | |
209 | }\r |