1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
|
/** @file
QEMU Video Controller Driver
Copyright (c) 2006 - 2010, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
//
// QEMU Video Controller Driver
//
#ifndef _QEMU_H_
#define _QEMU_H_
#include <Uefi.h>
#include <Protocol/GraphicsOutput.h>
#include <Protocol/PciIo.h>
#include <Protocol/DriverSupportedEfiVersion.h>
#include <Protocol/DevicePath.h>
#include <Library/DebugLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiLib.h>
#include <Library/PcdLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DevicePathLib.h>
#include <Library/TimerLib.h>
#include <IndustryStandard/Pci.h>
//
// QEMU Video PCI Configuration Header values
//
#define CIRRUS_LOGIC_VENDOR_ID 0x1013
#define CIRRUS_LOGIC_5430_DEVICE_ID 0x00a8
#define CIRRUS_LOGIC_5430_ALTERNATE_DEVICE_ID 0x00a0
#define CIRRUS_LOGIC_5446_DEVICE_ID 0x00b8
//
// QEMU Vide Graphical Mode Data
//
typedef struct {
UINT32 ModeNumber;
UINT32 HorizontalResolution;
UINT32 VerticalResolution;
UINT32 ColorDepth;
UINT32 RefreshRate;
} QEMU_VIDEO_MODE_DATA;
#define PIXEL_RED_SHIFT 0
#define PIXEL_GREEN_SHIFT 3
#define PIXEL_BLUE_SHIFT 6
#define PIXEL_RED_MASK (BIT7 | BIT6 | BIT5)
#define PIXEL_GREEN_MASK (BIT4 | BIT3 | BIT2)
#define PIXEL_BLUE_MASK (BIT1 | BIT0)
#define PIXEL_TO_COLOR_BYTE(pixel, mask, shift) ((UINT8) ((pixel & mask) << shift))
#define PIXEL_TO_RED_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_RED_MASK, PIXEL_RED_SHIFT)
#define PIXEL_TO_GREEN_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_GREEN_MASK, PIXEL_GREEN_SHIFT)
#define PIXEL_TO_BLUE_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_BLUE_MASK, PIXEL_BLUE_SHIFT)
#define RGB_BYTES_TO_PIXEL(Red, Green, Blue) \
(UINT8) ( (((Red) >> PIXEL_RED_SHIFT) & PIXEL_RED_MASK) | \
(((Green) >> PIXEL_GREEN_SHIFT) & PIXEL_GREEN_MASK) | \
(((Blue) >> PIXEL_BLUE_SHIFT) & PIXEL_BLUE_MASK) )
#define PIXEL24_RED_MASK 0x00ff0000
#define PIXEL24_GREEN_MASK 0x0000ff00
#define PIXEL24_BLUE_MASK 0x000000ff
#define GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER 0xffff
//
// QEMU Video Private Data Structure
//
#define QEMU_VIDEO_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('Q', 'V', 'I', 'D')
typedef struct {
UINT64 Signature;
EFI_HANDLE Handle;
EFI_PCI_IO_PROTOCOL *PciIo;
UINT64 OriginalPciAttributes;
EFI_GRAPHICS_OUTPUT_PROTOCOL GraphicsOutput;
EFI_DEVICE_PATH_PROTOCOL *GopDevicePath;
UINTN CurrentMode;
UINTN MaxMode;
QEMU_VIDEO_MODE_DATA *ModeData;
UINT8 *LineBuffer;
BOOLEAN HardwareNeedsStarting;
} QEMU_VIDEO_PRIVATE_DATA;
///
/// Video Mode structure
///
typedef struct {
UINT32 Width;
UINT32 Height;
UINT32 ColorDepth;
UINT32 RefreshRate;
UINT8 *CrtcSettings;
UINT16 *SeqSettings;
UINT8 MiscSetting;
} QEMU_VIDEO_VIDEO_MODES;
#define QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS(a) \
CR(a, QEMU_VIDEO_PRIVATE_DATA, GraphicsOutput, QEMU_VIDEO_PRIVATE_DATA_SIGNATURE)
//
// Global Variables
//
extern UINT8 AttributeController[];
extern UINT8 GraphicsController[];
extern UINT8 Crtc_640_480_256_60[];
extern UINT16 Seq_640_480_256_60[];
extern UINT8 Crtc_800_600_256_60[];
extern UINT16 Seq_800_600_256_60[];
extern UINT8 Crtc_1024_768_256_60[];
extern UINT16 Seq_1024_768_256_60[];
extern QEMU_VIDEO_VIDEO_MODES QemuVideoVideoModes[];
extern EFI_DRIVER_BINDING_PROTOCOL gQemuVideoDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL gQemuVideoComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gQemuVideoComponentName2;
extern EFI_DRIVER_SUPPORTED_EFI_VERSION_PROTOCOL gQemuVideoDriverSupportedEfiVersion;
//
// Io Registers defined by VGA
//
#define CRTC_ADDRESS_REGISTER 0x3d4
#define CRTC_DATA_REGISTER 0x3d5
#define SEQ_ADDRESS_REGISTER 0x3c4
#define SEQ_DATA_REGISTER 0x3c5
#define GRAPH_ADDRESS_REGISTER 0x3ce
#define GRAPH_DATA_REGISTER 0x3cf
#define ATT_ADDRESS_REGISTER 0x3c0
#define MISC_OUTPUT_REGISTER 0x3c2
#define INPUT_STATUS_1_REGISTER 0x3da
#define DAC_PIXEL_MASK_REGISTER 0x3c6
#define PALETTE_INDEX_REGISTER 0x3c8
#define PALETTE_DATA_REGISTER 0x3c9
//
// Graphics Output Hardware abstraction internal worker functions
//
EFI_STATUS
QemuVideoGraphicsOutputConstructor (
QEMU_VIDEO_PRIVATE_DATA *Private
);
EFI_STATUS
QemuVideoGraphicsOutputDestructor (
QEMU_VIDEO_PRIVATE_DATA *Private
);
//
// EFI_DRIVER_BINDING_PROTOCOL Protocol Interface
//
/**
TODO: Add function description
@param This TODO: add argument description
@param Controller TODO: add argument description
@param RemainingDevicePath TODO: add argument description
TODO: add return values
**/
EFI_STATUS
EFIAPI
QemuVideoControllerDriverSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
/**
TODO: Add function description
@param This TODO: add argument description
@param Controller TODO: add argument description
@param RemainingDevicePath TODO: add argument description
TODO: add return values
**/
EFI_STATUS
EFIAPI
QemuVideoControllerDriverStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
/**
TODO: Add function description
@param This TODO: add argument description
@param Controller TODO: add argument description
@param NumberOfChildren TODO: add argument description
@param ChildHandleBuffer TODO: add argument description
TODO: add return values
**/
EFI_STATUS
EFIAPI
QemuVideoControllerDriverStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
);
//
// EFI Component Name Functions
//
/**
Retrieves a Unicode string that is the user readable name of the driver.
This function retrieves the user readable name of a driver in the form of a
Unicode string. If the driver specified by This has a user readable name in
the language specified by Language, then a pointer to the driver name is
returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
by This does not support the language specified by Language,
then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified
in RFC 4646 or ISO 639-2 language code format.
@param DriverName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
driver specified by This in the language
specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by
This and the language specified by Language was
returned in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
QemuVideoComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
);
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by a driver.
This function retrieves the user readable name of the controller specified by
ControllerHandle and ChildHandle in the form of a Unicode string. If the
driver specified by This has a user readable name in the language specified by
Language, then a pointer to the controller name is returned in ControllerName,
and EFI_SUCCESS is returned. If the driver specified by This is not currently
managing the controller specified by ControllerHandle and ChildHandle,
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
support the language specified by Language, then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param ControllerHandle[in] The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param ChildHandle[in] The handle of the child controller to retrieve
the name of. This is an optional parameter that
may be NULL. It will be NULL for device
drivers. It will also be NULL for a bus drivers
that wish to retrieve the name of the bus
controller. It will not be NULL for a bus
driver that wishes to retrieve the name of a
child controller.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified in
RFC 4646 or ISO 639-2 language code format.
@param ControllerName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
controller specified by ControllerHandle and
ChildHandle in the language specified by
Language from the point of view of the driver
specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in
the language specified by Language for the
driver specified by This was returned in
DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
QemuVideoComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
);
//
// Local Function Prototypes
//
VOID
InitializeGraphicsMode (
QEMU_VIDEO_PRIVATE_DATA *Private,
QEMU_VIDEO_VIDEO_MODES *ModeData
);
VOID
SetPaletteColor (
QEMU_VIDEO_PRIVATE_DATA *Private,
UINTN Index,
UINT8 Red,
UINT8 Green,
UINT8 Blue
);
VOID
SetDefaultPalette (
QEMU_VIDEO_PRIVATE_DATA *Private
);
VOID
DrawLogo (
QEMU_VIDEO_PRIVATE_DATA *Private,
UINTN ScreenWidth,
UINTN ScreenHeight
);
VOID
outb (
QEMU_VIDEO_PRIVATE_DATA *Private,
UINTN Address,
UINT8 Data
);
VOID
outw (
QEMU_VIDEO_PRIVATE_DATA *Private,
UINTN Address,
UINT16 Data
);
UINT8
inb (
QEMU_VIDEO_PRIVATE_DATA *Private,
UINTN Address
);
UINT16
inw (
QEMU_VIDEO_PRIVATE_DATA *Private,
UINTN Address
);
EFI_STATUS
QemuVideoVideoModeSetup (
QEMU_VIDEO_PRIVATE_DATA *Private
);
#endif
|
