2 QEMU Video Controller Driver
4 Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
5 SPDX-License-Identifier: BSD-2-Clause-Patent
10 // QEMU Video Controller Driver
18 #include <Protocol/GraphicsOutput.h>
19 #include <Protocol/PciIo.h>
20 #include <Protocol/DriverSupportedEfiVersion.h>
21 #include <Protocol/DevicePath.h>
23 #include <Library/DebugLib.h>
24 #include <Library/UefiDriverEntryPoint.h>
25 #include <Library/UefiLib.h>
26 #include <Library/PcdLib.h>
27 #include <Library/MemoryAllocationLib.h>
28 #include <Library/UefiBootServicesTableLib.h>
29 #include <Library/BaseMemoryLib.h>
30 #include <Library/DevicePathLib.h>
31 #include <Library/TimerLib.h>
32 #include <Library/FrameBufferBltLib.h>
34 #include <IndustryStandard/Pci.h>
35 #include <IndustryStandard/Acpi.h>
38 // QEMU Video PCI Configuration Header values
40 #define CIRRUS_LOGIC_VENDOR_ID 0x1013
41 #define CIRRUS_LOGIC_5430_DEVICE_ID 0x00a8
42 #define CIRRUS_LOGIC_5430_ALTERNATE_DEVICE_ID 0x00a0
43 #define CIRRUS_LOGIC_5446_DEVICE_ID 0x00b8
46 // QEMU Vide Graphical Mode Data
49 UINT32 InternalModeIndex
; // points into card-specific mode table
50 UINT32 HorizontalResolution
;
51 UINT32 VerticalResolution
;
53 } QEMU_VIDEO_MODE_DATA
;
55 #define PIXEL_RED_SHIFT 0
56 #define PIXEL_GREEN_SHIFT 3
57 #define PIXEL_BLUE_SHIFT 6
59 #define PIXEL_RED_MASK (BIT7 | BIT6 | BIT5)
60 #define PIXEL_GREEN_MASK (BIT4 | BIT3 | BIT2)
61 #define PIXEL_BLUE_MASK (BIT1 | BIT0)
63 #define PIXEL_TO_COLOR_BYTE(pixel, mask, shift) ((UINT8) ((pixel & mask) << shift))
64 #define PIXEL_TO_RED_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_RED_MASK, PIXEL_RED_SHIFT)
65 #define PIXEL_TO_GREEN_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_GREEN_MASK, PIXEL_GREEN_SHIFT)
66 #define PIXEL_TO_BLUE_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_BLUE_MASK, PIXEL_BLUE_SHIFT)
68 #define RGB_BYTES_TO_PIXEL(Red, Green, Blue) \
69 (UINT8) ( (((Red) >> PIXEL_RED_SHIFT) & PIXEL_RED_MASK) | \
70 (((Green) >> PIXEL_GREEN_SHIFT) & PIXEL_GREEN_MASK) | \
71 (((Blue) >> PIXEL_BLUE_SHIFT) & PIXEL_BLUE_MASK) )
73 #define PIXEL24_RED_MASK 0x00ff0000
74 #define PIXEL24_GREEN_MASK 0x0000ff00
75 #define PIXEL24_BLUE_MASK 0x000000ff
77 #define GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER 0xffff
80 // QEMU Video Private Data Structure
82 #define QEMU_VIDEO_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('Q', 'V', 'I', 'D')
85 QEMU_VIDEO_CIRRUS_5430
= 1,
86 QEMU_VIDEO_CIRRUS_5446
,
88 QEMU_VIDEO_BOCHS_MMIO
,
89 QEMU_VIDEO_VMWARE_SVGA
,
96 QEMU_VIDEO_VARIANT Variant
;
103 EFI_PCI_IO_PROTOCOL
*PciIo
;
104 UINT64 OriginalPciAttributes
;
105 EFI_GRAPHICS_OUTPUT_PROTOCOL GraphicsOutput
;
106 EFI_DEVICE_PATH_PROTOCOL
*GopDevicePath
;
109 // The next two fields match the client-visible
110 // EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.MaxMode field.
113 QEMU_VIDEO_MODE_DATA
*ModeData
;
115 QEMU_VIDEO_VARIANT Variant
;
116 FRAME_BUFFER_CONFIGURE
*FrameBufferBltConfigure
;
117 UINTN FrameBufferBltConfigureSize
;
118 UINT8 FrameBufferVramBarIndex
;
119 } QEMU_VIDEO_PRIVATE_DATA
;
122 /// Card-specific Video Mode structures
131 } QEMU_VIDEO_CIRRUS_MODES
;
137 } QEMU_VIDEO_BOCHS_MODES
;
139 #define QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS(a) \
140 CR(a, QEMU_VIDEO_PRIVATE_DATA, GraphicsOutput, QEMU_VIDEO_PRIVATE_DATA_SIGNATURE)
146 extern UINT8 AttributeController
[];
147 extern UINT8 GraphicsController
[];
148 extern UINT8 Crtc_640_480_256_60
[];
149 extern UINT16 Seq_640_480_256_60
[];
150 extern UINT8 Crtc_800_600_256_60
[];
151 extern UINT16 Seq_800_600_256_60
[];
152 extern UINT8 Crtc_1024_768_256_60
[];
153 extern UINT16 Seq_1024_768_256_60
[];
154 extern QEMU_VIDEO_CIRRUS_MODES QemuVideoCirrusModes
[];
155 extern QEMU_VIDEO_BOCHS_MODES QemuVideoBochsModes
[];
156 extern EFI_DRIVER_BINDING_PROTOCOL gQemuVideoDriverBinding
;
157 extern EFI_COMPONENT_NAME_PROTOCOL gQemuVideoComponentName
;
158 extern EFI_COMPONENT_NAME2_PROTOCOL gQemuVideoComponentName2
;
161 // Io Registers defined by VGA
163 #define CRTC_ADDRESS_REGISTER 0x3d4
164 #define CRTC_DATA_REGISTER 0x3d5
165 #define SEQ_ADDRESS_REGISTER 0x3c4
166 #define SEQ_DATA_REGISTER 0x3c5
167 #define GRAPH_ADDRESS_REGISTER 0x3ce
168 #define GRAPH_DATA_REGISTER 0x3cf
169 #define ATT_ADDRESS_REGISTER 0x3c0
170 #define MISC_OUTPUT_REGISTER 0x3c2
171 #define INPUT_STATUS_1_REGISTER 0x3da
172 #define DAC_PIXEL_MASK_REGISTER 0x3c6
173 #define PALETTE_INDEX_REGISTER 0x3c8
174 #define PALETTE_DATA_REGISTER 0x3c9
176 #define VBE_DISPI_IOPORT_INDEX 0x01CE
177 #define VBE_DISPI_IOPORT_DATA 0x01D0
179 #define VBE_DISPI_INDEX_ID 0x0
180 #define VBE_DISPI_INDEX_XRES 0x1
181 #define VBE_DISPI_INDEX_YRES 0x2
182 #define VBE_DISPI_INDEX_BPP 0x3
183 #define VBE_DISPI_INDEX_ENABLE 0x4
184 #define VBE_DISPI_INDEX_BANK 0x5
185 #define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
186 #define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
187 #define VBE_DISPI_INDEX_X_OFFSET 0x8
188 #define VBE_DISPI_INDEX_Y_OFFSET 0x9
189 #define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa
191 #define VBE_DISPI_ID0 0xB0C0
192 #define VBE_DISPI_ID1 0xB0C1
193 #define VBE_DISPI_ID2 0xB0C2
194 #define VBE_DISPI_ID3 0xB0C3
195 #define VBE_DISPI_ID4 0xB0C4
196 #define VBE_DISPI_ID5 0xB0C5
198 #define VBE_DISPI_DISABLED 0x00
199 #define VBE_DISPI_ENABLED 0x01
200 #define VBE_DISPI_GETCAPS 0x02
201 #define VBE_DISPI_8BIT_DAC 0x20
202 #define VBE_DISPI_LFB_ENABLED 0x40
203 #define VBE_DISPI_NOCLEARMEM 0x80
206 // Graphics Output Hardware abstraction internal worker functions
209 QemuVideoGraphicsOutputConstructor (
210 QEMU_VIDEO_PRIVATE_DATA
*Private
214 QemuVideoGraphicsOutputDestructor (
215 QEMU_VIDEO_PRIVATE_DATA
*Private
220 // EFI_DRIVER_BINDING_PROTOCOL Protocol Interface
223 TODO: Add function description
225 @param This TODO: add argument description
226 @param Controller TODO: add argument description
227 @param RemainingDevicePath TODO: add argument description
229 TODO: add return values
234 QemuVideoControllerDriverSupported (
235 IN EFI_DRIVER_BINDING_PROTOCOL
*This
,
236 IN EFI_HANDLE Controller
,
237 IN EFI_DEVICE_PATH_PROTOCOL
*RemainingDevicePath
241 TODO: Add function description
243 @param This TODO: add argument description
244 @param Controller TODO: add argument description
245 @param RemainingDevicePath TODO: add argument description
247 TODO: add return values
252 QemuVideoControllerDriverStart (
253 IN EFI_DRIVER_BINDING_PROTOCOL
*This
,
254 IN EFI_HANDLE Controller
,
255 IN EFI_DEVICE_PATH_PROTOCOL
*RemainingDevicePath
259 TODO: Add function description
261 @param This TODO: add argument description
262 @param Controller TODO: add argument description
263 @param NumberOfChildren TODO: add argument description
264 @param ChildHandleBuffer TODO: add argument description
266 TODO: add return values
271 QemuVideoControllerDriverStop (
272 IN EFI_DRIVER_BINDING_PROTOCOL
*This
,
273 IN EFI_HANDLE Controller
,
274 IN UINTN NumberOfChildren
,
275 IN EFI_HANDLE
*ChildHandleBuffer
279 // EFI Component Name Functions
282 Retrieves a Unicode string that is the user readable name of the driver.
284 This function retrieves the user readable name of a driver in the form of a
285 Unicode string. If the driver specified by This has a user readable name in
286 the language specified by Language, then a pointer to the driver name is
287 returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
288 by This does not support the language specified by Language,
289 then EFI_UNSUPPORTED is returned.
291 @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
292 EFI_COMPONENT_NAME_PROTOCOL instance.
294 @param Language[in] A pointer to a Null-terminated ASCII string
295 array indicating the language. This is the
296 language of the driver name that the caller is
297 requesting, and it must match one of the
298 languages specified in SupportedLanguages. The
299 number of languages supported by a driver is up
300 to the driver writer. Language is specified
301 in RFC 4646 or ISO 639-2 language code format.
303 @param DriverName[out] A pointer to the Unicode string to return.
304 This Unicode string is the name of the
305 driver specified by This in the language
306 specified by Language.
308 @retval EFI_SUCCESS The Unicode string for the Driver specified by
309 This and the language specified by Language was
310 returned in DriverName.
312 @retval EFI_INVALID_PARAMETER Language is NULL.
314 @retval EFI_INVALID_PARAMETER DriverName is NULL.
316 @retval EFI_UNSUPPORTED The driver specified by This does not support
317 the language specified by Language.
322 QemuVideoComponentNameGetDriverName (
323 IN EFI_COMPONENT_NAME_PROTOCOL
*This
,
325 OUT CHAR16
**DriverName
330 Retrieves a Unicode string that is the user readable name of the controller
331 that is being managed by a driver.
333 This function retrieves the user readable name of the controller specified by
334 ControllerHandle and ChildHandle in the form of a Unicode string. If the
335 driver specified by This has a user readable name in the language specified by
336 Language, then a pointer to the controller name is returned in ControllerName,
337 and EFI_SUCCESS is returned. If the driver specified by This is not currently
338 managing the controller specified by ControllerHandle and ChildHandle,
339 then EFI_UNSUPPORTED is returned. If the driver specified by This does not
340 support the language specified by Language, then EFI_UNSUPPORTED is returned.
342 @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
343 EFI_COMPONENT_NAME_PROTOCOL instance.
345 @param ControllerHandle[in] The handle of a controller that the driver
346 specified by This is managing. This handle
347 specifies the controller whose name is to be
350 @param ChildHandle[in] The handle of the child controller to retrieve
351 the name of. This is an optional parameter that
352 may be NULL. It will be NULL for device
353 drivers. It will also be NULL for a bus drivers
354 that wish to retrieve the name of the bus
355 controller. It will not be NULL for a bus
356 driver that wishes to retrieve the name of a
359 @param Language[in] A pointer to a Null-terminated ASCII string
360 array indicating the language. This is the
361 language of the driver name that the caller is
362 requesting, and it must match one of the
363 languages specified in SupportedLanguages. The
364 number of languages supported by a driver is up
365 to the driver writer. Language is specified in
366 RFC 4646 or ISO 639-2 language code format.
368 @param ControllerName[out] A pointer to the Unicode string to return.
369 This Unicode string is the name of the
370 controller specified by ControllerHandle and
371 ChildHandle in the language specified by
372 Language from the point of view of the driver
375 @retval EFI_SUCCESS The Unicode string for the user readable name in
376 the language specified by Language for the
377 driver specified by This was returned in
380 @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
382 @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
385 @retval EFI_INVALID_PARAMETER Language is NULL.
387 @retval EFI_INVALID_PARAMETER ControllerName is NULL.
389 @retval EFI_UNSUPPORTED The driver specified by This is not currently
390 managing the controller specified by
391 ControllerHandle and ChildHandle.
393 @retval EFI_UNSUPPORTED The driver specified by This does not support
394 the language specified by Language.
399 QemuVideoComponentNameGetControllerName (
400 IN EFI_COMPONENT_NAME_PROTOCOL
*This
,
401 IN EFI_HANDLE ControllerHandle
,
402 IN EFI_HANDLE ChildHandle OPTIONAL
,
404 OUT CHAR16
**ControllerName
409 // Local Function Prototypes
412 InitializeCirrusGraphicsMode (
413 QEMU_VIDEO_PRIVATE_DATA
*Private
,
414 QEMU_VIDEO_CIRRUS_MODES
*ModeData
418 InitializeBochsGraphicsMode (
419 QEMU_VIDEO_PRIVATE_DATA
*Private
,
420 QEMU_VIDEO_BOCHS_MODES
*ModeData
425 QEMU_VIDEO_PRIVATE_DATA
*Private
,
434 QEMU_VIDEO_PRIVATE_DATA
*Private
439 QEMU_VIDEO_PRIVATE_DATA
*Private
,
446 QEMU_VIDEO_PRIVATE_DATA
*Private
,
453 QEMU_VIDEO_PRIVATE_DATA
*Private
,
460 QEMU_VIDEO_PRIVATE_DATA
*Private
,
466 QEMU_VIDEO_PRIVATE_DATA
*Private
,
472 QEMU_VIDEO_PRIVATE_DATA
*Private
,
479 QEMU_VIDEO_PRIVATE_DATA
*Private
,
485 QEMU_VIDEO_PRIVATE_DATA
*Private
,
491 QemuVideoCirrusModeSetup (
492 QEMU_VIDEO_PRIVATE_DATA
*Private
496 QemuVideoBochsModeSetup (
497 QEMU_VIDEO_PRIVATE_DATA
*Private
,
503 IN CONST CHAR16
*CardName
,
504 IN EFI_PHYSICAL_ADDRESS FrameBufferBase