2 Graphics Output Protocol functions for the QEMU video controller.
4 Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
6 This program and the accompanying materials
7 are licensed and made available under the terms and conditions of the BSD License
8 which accompanies this distribution. The full text of the license may be found at
9 http://opensource.org/licenses/bsd-license.php
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
20 /// Generic Attribute Controller Register Settings
22 UINT8 AttributeController
[21] = {
23 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
24 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
25 0x41, 0x00, 0x0F, 0x00, 0x00
29 /// Generic Graphics Controller Register Settings
31 UINT8 GraphicsController
[9] = {
32 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F, 0xFF
36 // 640 x 480 x 256 color @ 60 Hertz
38 UINT8 Crtc_640_480_256_60
[28] = {
39 0x5d, 0x4f, 0x50, 0x82, 0x53, 0x9f, 0x00, 0x3e,
40 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
41 0xe1, 0x83, 0xdf, 0x50, 0x00, 0xe7, 0x04, 0xe3,
42 0xff, 0x00, 0x00, 0x22
45 UINT8 Crtc_640_480_32bpp_60
[28] = {
46 0x5d, 0x4f, 0x50, 0x82, 0x53, 0x9f, 0x00, 0x3e,
47 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
48 0xe1, 0x83, 0xdf, 0x40, 0x00, 0xe7, 0x04, 0xe3,
49 0xff, 0x00, 0x00, 0x32
52 UINT16 Seq_640_480_256_60
[15] = {
53 0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1107, 0x0008, 0x4a0b,
54 0x5b0c, 0x450d, 0x7e0e, 0x2b1b, 0x2f1c, 0x301d, 0x331e
57 UINT16 Seq_640_480_32bpp_60
[15] = {
58 0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1907, 0x0008, 0x4a0b,
59 0x5b0c, 0x450d, 0x7e0e, 0x2b1b, 0x2f1c, 0x301d, 0x331e
63 // 800 x 600 x 256 color @ 60 Hertz
65 UINT8 Crtc_800_600_256_60
[28] = {
66 0x7F, 0x63, 0x64, 0x80, 0x6B, 0x1B, 0x72, 0xF0,
67 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
68 0x58, 0x8C, 0x57, 0x64, 0x00, 0x5F, 0x91, 0xE3,
69 0xFF, 0x00, 0x00, 0x22
72 UINT8 Crtc_800_600_32bpp_60
[28] = {
73 0x7F, 0x63, 0x64, 0x80, 0x6B, 0x1B, 0x72, 0xF0,
74 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
75 0x58, 0x8C, 0x57, 0x90, 0x00, 0x5F, 0x91, 0xE3,
76 0xFF, 0x00, 0x00, 0x32
79 UINT16 Seq_800_600_256_60
[15] = {
80 0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1107, 0x0008, 0x4a0b,
81 0x5b0c, 0x450d, 0x510e, 0x2b1b, 0x2f1c, 0x301d, 0x3a1e
84 UINT16 Seq_800_600_32bpp_60
[15] = {
85 0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1907, 0x0008, 0x4a0b,
86 0x5b0c, 0x450d, 0x510e, 0x2b1b, 0x2f1c, 0x301d, 0x3a1e
89 UINT8 Crtc_960_720_32bpp_60
[28] = {
90 0xA3, 0x77, 0x80, 0x86, 0x85, 0x96, 0x24, 0xFD,
91 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
92 0x02, 0x88, 0xCF, 0xe0, 0x00, 0x00, 0x64, 0xE3,
93 0xFF, 0x4A, 0x00, 0x32
96 UINT16 Seq_960_720_32bpp_60
[15] = {
97 0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1907, 0x0008, 0x4a0b,
98 0x5b0c, 0x450d, 0x760e, 0x2b1b, 0x2f1c, 0x301d, 0x341e
102 // 1024 x 768 x 256 color @ 60 Hertz
104 UINT8 Crtc_1024_768_256_60
[28] = {
105 0xA3, 0x7F, 0x80, 0x86, 0x85, 0x96, 0x24, 0xFD,
106 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
107 0x02, 0x88, 0xFF, 0x80, 0x00, 0x00, 0x24, 0xE3,
108 0xFF, 0x4A, 0x00, 0x22
111 UINT16 Seq_1024_768_256_60
[15] = {
112 0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1107, 0x0008, 0x4a0b,
113 0x5b0c, 0x450d, 0x760e, 0x2b1b, 0x2f1c, 0x301d, 0x341e
117 // 1024 x 768 x 24-bit color @ 60 Hertz
119 UINT8 Crtc_1024_768_24bpp_60
[28] = {
120 0xA3, 0x7F, 0x80, 0x86, 0x85, 0x96, 0x24, 0xFD,
121 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
122 0x02, 0x88, 0xFF, 0x80, 0x00, 0x00, 0x24, 0xE3,
123 0xFF, 0x4A, 0x00, 0x32
126 UINT16 Seq_1024_768_24bpp_60
[15] = {
127 0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1507, 0x0008, 0x4a0b,
128 0x5b0c, 0x450d, 0x760e, 0x2b1b, 0x2f1c, 0x301d, 0x341e
131 UINT8 Crtc_1024_768_32bpp_60
[28] = {
132 0xA3, 0x7F, 0x80, 0x86, 0x85, 0x96, 0x24, 0xFD,
133 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
134 0x02, 0x88, 0xFF, 0xe0, 0x00, 0x00, 0x64, 0xE3,
135 0xFF, 0x4A, 0x00, 0x32
138 UINT16 Seq_1024_768_32bpp_60
[15] = {
139 0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1907, 0x0008, 0x4a0b,
140 0x5b0c, 0x450d, 0x760e, 0x2b1b, 0x2f1c, 0x301d, 0x341e
144 /// Table of supported video modes
146 QEMU_VIDEO_CIRRUS_MODES QemuVideoCirrusModes
[] = {
147 // { 640, 480, 8, 60, Crtc_640_480_256_60, Seq_640_480_256_60, 0xe3 },
148 // { 800, 600, 8, 60, Crtc_800_600_256_60, Seq_800_600_256_60, 0xef },
149 { 640, 480, 32, 60, Crtc_640_480_32bpp_60
, Seq_640_480_32bpp_60
, 0xef },
150 { 800, 600, 32, 60, Crtc_800_600_32bpp_60
, Seq_800_600_32bpp_60
, 0xef },
151 // { 1024, 768, 8, 60, Crtc_1024_768_256_60, Seq_1024_768_256_60, 0xef }
152 { 1024, 768, 24, 60, Crtc_1024_768_24bpp_60
, Seq_1024_768_24bpp_60
, 0xef }
153 // { 1024, 768, 32, 60, Crtc_1024_768_32bpp_60, Seq_1024_768_32bpp_60, 0xef }
154 // { 960, 720, 32, 60, Crtc_960_720_32bpp_60, Seq_1024_768_32bpp_60, 0xef }
157 #define QEMU_VIDEO_CIRRUS_MODE_COUNT \
158 (sizeof (QemuVideoCirrusModes) / sizeof (QemuVideoCirrusModes[0]))
161 Construct the valid video modes for QemuVideo.
165 QemuVideoCirrusModeSetup (
166 QEMU_VIDEO_PRIVATE_DATA
*Private
170 QEMU_VIDEO_MODE_DATA
*ModeData
;
171 QEMU_VIDEO_CIRRUS_MODES
*VideoMode
;
176 Private
->ModeData
= AllocatePool (
177 sizeof (Private
->ModeData
[0]) * QEMU_VIDEO_CIRRUS_MODE_COUNT
179 if (Private
->ModeData
== NULL
) {
180 return EFI_OUT_OF_RESOURCES
;
182 ModeData
= Private
->ModeData
;
183 VideoMode
= &QemuVideoCirrusModes
[0];
184 for (Index
= 0; Index
< QEMU_VIDEO_CIRRUS_MODE_COUNT
; Index
++) {
185 ModeData
->InternalModeIndex
= Index
;
186 ModeData
->HorizontalResolution
= VideoMode
->Width
;
187 ModeData
->VerticalResolution
= VideoMode
->Height
;
188 ModeData
->ColorDepth
= VideoMode
->ColorDepth
;
189 ModeData
->RefreshRate
= VideoMode
->RefreshRate
;
191 "Adding Mode %d as Cirrus Internal Mode %d: %dx%d, %d-bit, %d Hz\n",
192 (INT32
) (ModeData
- Private
->ModeData
),
193 ModeData
->InternalModeIndex
,
194 ModeData
->HorizontalResolution
,
195 ModeData
->VerticalResolution
,
196 ModeData
->ColorDepth
,
197 ModeData
->RefreshRate
203 Private
->MaxMode
= ModeData
- Private
->ModeData
;
209 /// Table of supported video modes
211 QEMU_VIDEO_BOCHS_MODES QemuVideoBochsModes
[] = {
251 #define QEMU_VIDEO_BOCHS_MODE_COUNT \
252 (sizeof (QemuVideoBochsModes) / sizeof (QemuVideoBochsModes[0]))
255 QemuVideoBochsModeSetup (
256 QEMU_VIDEO_PRIVATE_DATA
*Private
,
260 UINT32 AvailableFbSize
;
262 QEMU_VIDEO_MODE_DATA
*ModeData
;
263 QEMU_VIDEO_BOCHS_MODES
*VideoMode
;
266 // Fetch the available framebuffer size.
268 // VBE_DISPI_INDEX_VIDEO_MEMORY_64K is expected to return the size of the
269 // drawable framebuffer. Up to and including qemu-2.1 however it used to
270 // return the size of PCI BAR 0 (ie. the full video RAM size).
272 // On stdvga the two concepts coincide with each other; the full memory size
273 // is usable for drawing.
275 // On QXL however, only a leading segment, "surface 0", can be used for
276 // drawing; the rest of the video memory is used for the QXL guest-host
277 // protocol. VBE_DISPI_INDEX_VIDEO_MEMORY_64K should report the size of
278 // "surface 0", but since it doesn't (up to and including qemu-2.1), we
279 // retrieve the size of the drawable portion from a field in the QXL ROM BAR,
280 // where it is also available.
287 DrawStart
= 0xFFFFFFFF;
290 Private
->PciIo
->Mem
.Read (Private
->PciIo
, EfiPciIoWidthUint32
,
291 PCI_BAR_IDX2
, 0, 1, &Signature
)) ||
292 Signature
!= SIGNATURE_32 ('Q', 'X', 'R', 'O') ||
294 Private
->PciIo
->Mem
.Read (Private
->PciIo
, EfiPciIoWidthUint32
,
295 PCI_BAR_IDX2
, 36, 1, &DrawStart
)) ||
298 Private
->PciIo
->Mem
.Read (Private
->PciIo
, EfiPciIoWidthUint32
,
299 PCI_BAR_IDX2
, 40, 1, &AvailableFbSize
))) {
300 DEBUG ((EFI_D_ERROR
, "%a: can't read size of drawable buffer from QXL "
301 "ROM\n", __FUNCTION__
));
302 return EFI_NOT_FOUND
;
305 AvailableFbSize
= BochsRead (Private
, VBE_DISPI_INDEX_VIDEO_MEMORY_64K
);
306 AvailableFbSize
*= SIZE_64KB
;
308 DEBUG ((EFI_D_VERBOSE
, "%a: AvailableFbSize=0x%x\n", __FUNCTION__
,
314 Private
->ModeData
= AllocatePool (
315 sizeof (Private
->ModeData
[0]) * QEMU_VIDEO_BOCHS_MODE_COUNT
317 if (Private
->ModeData
== NULL
) {
318 return EFI_OUT_OF_RESOURCES
;
320 ModeData
= Private
->ModeData
;
321 VideoMode
= &QemuVideoBochsModes
[0];
322 for (Index
= 0; Index
< QEMU_VIDEO_BOCHS_MODE_COUNT
; Index
++) {
323 UINTN RequiredFbSize
;
325 ASSERT (VideoMode
->ColorDepth
% 8 == 0);
326 RequiredFbSize
= (UINTN
) VideoMode
->Width
* VideoMode
->Height
*
327 (VideoMode
->ColorDepth
/ 8);
328 if (RequiredFbSize
<= AvailableFbSize
) {
329 ModeData
->InternalModeIndex
= Index
;
330 ModeData
->HorizontalResolution
= VideoMode
->Width
;
331 ModeData
->VerticalResolution
= VideoMode
->Height
;
332 ModeData
->ColorDepth
= VideoMode
->ColorDepth
;
333 ModeData
->RefreshRate
= 60;
335 "Adding Mode %d as Bochs Internal Mode %d: %dx%d, %d-bit, %d Hz\n",
336 (INT32
) (ModeData
- Private
->ModeData
),
337 ModeData
->InternalModeIndex
,
338 ModeData
->HorizontalResolution
,
339 ModeData
->VerticalResolution
,
340 ModeData
->ColorDepth
,
341 ModeData
->RefreshRate
348 Private
->MaxMode
= ModeData
- Private
->ModeData
;