1/** @file 2 QEMU Video Controller Driver 3 4 Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR> 5 This program and the accompanying materials 6 are licensed and made available under the terms and conditions of the BSD License 7 which accompanies this distribution. The full text of the license may be found at 8 http://opensource.org/licenses/bsd-license.php 9 10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 13**/ 14 15// 16// QEMU Video Controller Driver 17// 18 19#ifndef _QEMU_H_ 20#define _QEMU_H_ 21 22 23#include <Uefi.h> 24#include <Protocol/GraphicsOutput.h> 25#include <Protocol/PciIo.h> 26#include <Protocol/DriverSupportedEfiVersion.h> 27#include <Protocol/DevicePath.h> 28 29#include <Library/DebugLib.h> 30#include <Library/UefiDriverEntryPoint.h> 31#include <Library/UefiLib.h> 32#include <Library/PcdLib.h> 33#include <Library/MemoryAllocationLib.h> 34#include <Library/UefiBootServicesTableLib.h> 35#include <Library/BaseMemoryLib.h> 36#include <Library/DevicePathLib.h> 37#include <Library/TimerLib.h> 38#include <Library/FrameBufferBltLib.h> 39 40#include <IndustryStandard/Pci.h> 41#include <IndustryStandard/Acpi.h> 42 43// 44// QEMU Video PCI Configuration Header values 45// 46#define CIRRUS_LOGIC_VENDOR_ID 0x1013 47#define CIRRUS_LOGIC_5430_DEVICE_ID 0x00a8 48#define CIRRUS_LOGIC_5430_ALTERNATE_DEVICE_ID 0x00a0 49#define CIRRUS_LOGIC_5446_DEVICE_ID 0x00b8 50 51// 52// QEMU Vide Graphical Mode Data 53// 54typedef struct { 55 UINT32 InternalModeIndex; // points into card-specific mode table 56 UINT32 HorizontalResolution; 57 UINT32 VerticalResolution; 58 UINT32 ColorDepth; 59} QEMU_VIDEO_MODE_DATA; 60 61#define PIXEL_RED_SHIFT 0 62#define PIXEL_GREEN_SHIFT 3 63#define PIXEL_BLUE_SHIFT 6 64 65#define PIXEL_RED_MASK (BIT7 | BIT6 | BIT5) 66#define PIXEL_GREEN_MASK (BIT4 | BIT3 | BIT2) 67#define PIXEL_BLUE_MASK (BIT1 | BIT0) 68 69#define PIXEL_TO_COLOR_BYTE(pixel, mask, shift) ((UINT8) ((pixel & mask) << shift)) 70#define PIXEL_TO_RED_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_RED_MASK, PIXEL_RED_SHIFT) 71#define PIXEL_TO_GREEN_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_GREEN_MASK, PIXEL_GREEN_SHIFT) 72#define PIXEL_TO_BLUE_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_BLUE_MASK, PIXEL_BLUE_SHIFT) 73 74#define RGB_BYTES_TO_PIXEL(Red, Green, Blue) \ 75 (UINT8) ( (((Red) >> PIXEL_RED_SHIFT) & PIXEL_RED_MASK) | \ 76 (((Green) >> PIXEL_GREEN_SHIFT) & PIXEL_GREEN_MASK) | \ 77 (((Blue) >> PIXEL_BLUE_SHIFT) & PIXEL_BLUE_MASK) ) 78 79#define PIXEL24_RED_MASK 0x00ff0000 80#define PIXEL24_GREEN_MASK 0x0000ff00 81#define PIXEL24_BLUE_MASK 0x000000ff 82 83#define GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER 0xffff 84 85// 86// QEMU Video Private Data Structure 87// 88#define QEMU_VIDEO_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('Q', 'V', 'I', 'D') 89 90typedef enum { 91 QEMU_VIDEO_CIRRUS_5430 = 1, 92 QEMU_VIDEO_CIRRUS_5446, 93 QEMU_VIDEO_BOCHS, 94 QEMU_VIDEO_BOCHS_MMIO, 95} QEMU_VIDEO_VARIANT; 96 97typedef struct { 98 UINT16 VendorId; 99 UINT16 DeviceId; 100 QEMU_VIDEO_VARIANT Variant; 101 CHAR16 *Name; 102} QEMU_VIDEO_CARD; 103 104typedef struct { 105 UINT64 Signature; 106 EFI_HANDLE Handle; 107 EFI_PCI_IO_PROTOCOL *PciIo; 108 UINT64 OriginalPciAttributes; 109 EFI_GRAPHICS_OUTPUT_PROTOCOL GraphicsOutput; 110 EFI_DEVICE_PATH_PROTOCOL *GopDevicePath; 111 112 // 113 // The next two fields match the client-visible 114 // EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.MaxMode field. 115 // 116 UINTN MaxMode; 117 QEMU_VIDEO_MODE_DATA *ModeData; 118 119 QEMU_VIDEO_VARIANT Variant; 120 FRAME_BUFFER_CONFIGURE *FrameBufferBltConfigure; 121 UINTN FrameBufferBltConfigureSize; 122} QEMU_VIDEO_PRIVATE_DATA; 123 124/// 125/// Card-specific Video Mode structures 126/// 127typedef struct { 128 UINT32 Width; 129 UINT32 Height; 130 UINT32 ColorDepth; 131 UINT8 *CrtcSettings; 132 UINT16 *SeqSettings; 133 UINT8 MiscSetting; 134} QEMU_VIDEO_CIRRUS_MODES; 135 136typedef struct { 137 UINT32 Width; 138 UINT32 Height; 139 UINT32 ColorDepth; 140} QEMU_VIDEO_BOCHS_MODES; 141 142#define QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS(a) \ 143 CR(a, QEMU_VIDEO_PRIVATE_DATA, GraphicsOutput, QEMU_VIDEO_PRIVATE_DATA_SIGNATURE) 144 145 146// 147// Global Variables 148// 149extern UINT8 AttributeController[]; 150extern UINT8 GraphicsController[]; 151extern UINT8 Crtc_640_480_256_60[]; 152extern UINT16 Seq_640_480_256_60[]; 153extern UINT8 Crtc_800_600_256_60[]; 154extern UINT16 Seq_800_600_256_60[]; 155extern UINT8 Crtc_1024_768_256_60[]; 156extern UINT16 Seq_1024_768_256_60[]; 157extern QEMU_VIDEO_CIRRUS_MODES QemuVideoCirrusModes[]; 158extern QEMU_VIDEO_BOCHS_MODES QemuVideoBochsModes[]; 159extern EFI_DRIVER_BINDING_PROTOCOL gQemuVideoDriverBinding; 160extern EFI_COMPONENT_NAME_PROTOCOL gQemuVideoComponentName; 161extern EFI_COMPONENT_NAME2_PROTOCOL gQemuVideoComponentName2; 162extern EFI_DRIVER_SUPPORTED_EFI_VERSION_PROTOCOL gQemuVideoDriverSupportedEfiVersion; 163 164// 165// Io Registers defined by VGA 166// 167#define CRTC_ADDRESS_REGISTER 0x3d4 168#define CRTC_DATA_REGISTER 0x3d5 169#define SEQ_ADDRESS_REGISTER 0x3c4 170#define SEQ_DATA_REGISTER 0x3c5 171#define GRAPH_ADDRESS_REGISTER 0x3ce 172#define GRAPH_DATA_REGISTER 0x3cf 173#define ATT_ADDRESS_REGISTER 0x3c0 174#define MISC_OUTPUT_REGISTER 0x3c2 175#define INPUT_STATUS_1_REGISTER 0x3da 176#define DAC_PIXEL_MASK_REGISTER 0x3c6 177#define PALETTE_INDEX_REGISTER 0x3c8 178#define PALETTE_DATA_REGISTER 0x3c9 179 180#define VBE_DISPI_IOPORT_INDEX 0x01CE 181#define VBE_DISPI_IOPORT_DATA 0x01D0 182 183#define VBE_DISPI_INDEX_ID 0x0 184#define VBE_DISPI_INDEX_XRES 0x1 185#define VBE_DISPI_INDEX_YRES 0x2 186#define VBE_DISPI_INDEX_BPP 0x3 187#define VBE_DISPI_INDEX_ENABLE 0x4 188#define VBE_DISPI_INDEX_BANK 0x5 189#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6 190#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7 191#define VBE_DISPI_INDEX_X_OFFSET 0x8 192#define VBE_DISPI_INDEX_Y_OFFSET 0x9 193#define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa 194 195#define VBE_DISPI_ID0 0xB0C0 196#define VBE_DISPI_ID1 0xB0C1 197#define VBE_DISPI_ID2 0xB0C2 198#define VBE_DISPI_ID3 0xB0C3 199#define VBE_DISPI_ID4 0xB0C4 200#define VBE_DISPI_ID5 0xB0C5 201 202#define VBE_DISPI_DISABLED 0x00 203#define VBE_DISPI_ENABLED 0x01 204#define VBE_DISPI_GETCAPS 0x02 205#define VBE_DISPI_8BIT_DAC 0x20 206#define VBE_DISPI_LFB_ENABLED 0x40 207#define VBE_DISPI_NOCLEARMEM 0x80 208 209// 210// Graphics Output Hardware abstraction internal worker functions 211// 212EFI_STATUS 213QemuVideoGraphicsOutputConstructor ( 214 QEMU_VIDEO_PRIVATE_DATA *Private 215 ); 216 217EFI_STATUS 218QemuVideoGraphicsOutputDestructor ( 219 QEMU_VIDEO_PRIVATE_DATA *Private 220 ); 221 222 223// 224// EFI_DRIVER_BINDING_PROTOCOL Protocol Interface 225// 226/** 227 TODO: Add function description 228 229 @param This TODO: add argument description 230 @param Controller TODO: add argument description 231 @param RemainingDevicePath TODO: add argument description 232 233 TODO: add return values 234 235**/ 236EFI_STATUS 237EFIAPI 238QemuVideoControllerDriverSupported ( 239 IN EFI_DRIVER_BINDING_PROTOCOL *This, 240 IN EFI_HANDLE Controller, 241 IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath 242 ); 243 244/** 245 TODO: Add function description 246 247 @param This TODO: add argument description 248 @param Controller TODO: add argument description 249 @param RemainingDevicePath TODO: add argument description 250 251 TODO: add return values 252 253**/ 254EFI_STATUS 255EFIAPI 256QemuVideoControllerDriverStart ( 257 IN EFI_DRIVER_BINDING_PROTOCOL *This, 258 IN EFI_HANDLE Controller, 259 IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath 260 ); 261 262/** 263 TODO: Add function description 264 265 @param This TODO: add argument description 266 @param Controller TODO: add argument description 267 @param NumberOfChildren TODO: add argument description 268 @param ChildHandleBuffer TODO: add argument description 269 270 TODO: add return values 271 272**/ 273EFI_STATUS 274EFIAPI 275QemuVideoControllerDriverStop ( 276 IN EFI_DRIVER_BINDING_PROTOCOL *This, 277 IN EFI_HANDLE Controller, 278 IN UINTN NumberOfChildren, 279 IN EFI_HANDLE *ChildHandleBuffer 280 ); 281 282// 283// EFI Component Name Functions 284// 285/** 286 Retrieves a Unicode string that is the user readable name of the driver. 287 288 This function retrieves the user readable name of a driver in the form of a 289 Unicode string. If the driver specified by This has a user readable name in 290 the language specified by Language, then a pointer to the driver name is 291 returned in DriverName, and EFI_SUCCESS is returned. If the driver specified 292 by This does not support the language specified by Language, 293 then EFI_UNSUPPORTED is returned. 294 295 @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or 296 EFI_COMPONENT_NAME_PROTOCOL instance. 297 298 @param Language[in] A pointer to a Null-terminated ASCII string 299 array indicating the language. This is the 300 language of the driver name that the caller is 301 requesting, and it must match one of the 302 languages specified in SupportedLanguages. The 303 number of languages supported by a driver is up 304 to the driver writer. Language is specified 305 in RFC 4646 or ISO 639-2 language code format. 306 307 @param DriverName[out] A pointer to the Unicode string to return. 308 This Unicode string is the name of the 309 driver specified by This in the language 310 specified by Language. 311 312 @retval EFI_SUCCESS The Unicode string for the Driver specified by 313 This and the language specified by Language was 314 returned in DriverName. 315 316 @retval EFI_INVALID_PARAMETER Language is NULL. 317 318 @retval EFI_INVALID_PARAMETER DriverName is NULL. 319 320 @retval EFI_UNSUPPORTED The driver specified by This does not support 321 the language specified by Language. 322 323**/ 324EFI_STATUS 325EFIAPI 326QemuVideoComponentNameGetDriverName ( 327 IN EFI_COMPONENT_NAME_PROTOCOL *This, 328 IN CHAR8 *Language, 329 OUT CHAR16 **DriverName 330 ); 331 332 333/** 334 Retrieves a Unicode string that is the user readable name of the controller 335 that is being managed by a driver. 336 337 This function retrieves the user readable name of the controller specified by 338 ControllerHandle and ChildHandle in the form of a Unicode string. If the 339 driver specified by This has a user readable name in the language specified by 340 Language, then a pointer to the controller name is returned in ControllerName, 341 and EFI_SUCCESS is returned. If the driver specified by This is not currently 342 managing the controller specified by ControllerHandle and ChildHandle, 343 then EFI_UNSUPPORTED is returned. If the driver specified by This does not 344 support the language specified by Language, then EFI_UNSUPPORTED is returned. 345 346 @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or 347 EFI_COMPONENT_NAME_PROTOCOL instance. 348 349 @param ControllerHandle[in] The handle of a controller that the driver 350 specified by This is managing. This handle 351 specifies the controller whose name is to be 352 returned. 353 354 @param ChildHandle[in] The handle of the child controller to retrieve 355 the name of. This is an optional parameter that 356 may be NULL. It will be NULL for device 357 drivers. It will also be NULL for a bus drivers 358 that wish to retrieve the name of the bus 359 controller. It will not be NULL for a bus 360 driver that wishes to retrieve the name of a 361 child controller. 362 363 @param Language[in] A pointer to a Null-terminated ASCII string 364 array indicating the language. This is the 365 language of the driver name that the caller is 366 requesting, and it must match one of the 367 languages specified in SupportedLanguages. The 368 number of languages supported by a driver is up 369 to the driver writer. Language is specified in 370 RFC 4646 or ISO 639-2 language code format. 371 372 @param ControllerName[out] A pointer to the Unicode string to return. 373 This Unicode string is the name of the 374 controller specified by ControllerHandle and 375 ChildHandle in the language specified by 376 Language from the point of view of the driver 377 specified by This. 378 379 @retval EFI_SUCCESS The Unicode string for the user readable name in 380 the language specified by Language for the 381 driver specified by This was returned in 382 DriverName. 383 384 @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE. 385 386 @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid 387 EFI_HANDLE. 388 389 @retval EFI_INVALID_PARAMETER Language is NULL. 390 391 @retval EFI_INVALID_PARAMETER ControllerName is NULL. 392 393 @retval EFI_UNSUPPORTED The driver specified by This is not currently 394 managing the controller specified by 395 ControllerHandle and ChildHandle. 396 397 @retval EFI_UNSUPPORTED The driver specified by This does not support 398 the language specified by Language. 399 400**/ 401EFI_STATUS 402EFIAPI 403QemuVideoComponentNameGetControllerName ( 404 IN EFI_COMPONENT_NAME_PROTOCOL *This, 405 IN EFI_HANDLE ControllerHandle, 406 IN EFI_HANDLE ChildHandle OPTIONAL, 407 IN CHAR8 *Language, 408 OUT CHAR16 **ControllerName 409 ); 410 411 412// 413// Local Function Prototypes 414// 415VOID 416InitializeCirrusGraphicsMode ( 417 QEMU_VIDEO_PRIVATE_DATA *Private, 418 QEMU_VIDEO_CIRRUS_MODES *ModeData 419 ); 420 421VOID 422InitializeBochsGraphicsMode ( 423 QEMU_VIDEO_PRIVATE_DATA *Private, 424 QEMU_VIDEO_BOCHS_MODES *ModeData 425 ); 426 427VOID 428SetPaletteColor ( 429 QEMU_VIDEO_PRIVATE_DATA *Private, 430 UINTN Index, 431 UINT8 Red, 432 UINT8 Green, 433 UINT8 Blue 434 ); 435 436VOID 437SetDefaultPalette ( 438 QEMU_VIDEO_PRIVATE_DATA *Private 439 ); 440 441VOID 442DrawLogo ( 443 QEMU_VIDEO_PRIVATE_DATA *Private, 444 UINTN ScreenWidth, 445 UINTN ScreenHeight 446 ); 447 448VOID 449outb ( 450 QEMU_VIDEO_PRIVATE_DATA *Private, 451 UINTN Address, 452 UINT8 Data 453 ); 454 455VOID 456outw ( 457 QEMU_VIDEO_PRIVATE_DATA *Private, 458 UINTN Address, 459 UINT16 Data 460 ); 461 462UINT8 463inb ( 464 QEMU_VIDEO_PRIVATE_DATA *Private, 465 UINTN Address 466 ); 467 468UINT16 469inw ( 470 QEMU_VIDEO_PRIVATE_DATA *Private, 471 UINTN Address 472 ); 473 474VOID 475BochsWrite ( 476 QEMU_VIDEO_PRIVATE_DATA *Private, 477 UINT16 Reg, 478 UINT16 Data 479 ); 480 481UINT16 482BochsRead ( 483 QEMU_VIDEO_PRIVATE_DATA *Private, 484 UINT16 Reg 485 ); 486 487VOID 488VgaOutb ( 489 QEMU_VIDEO_PRIVATE_DATA *Private, 490 UINTN Reg, 491 UINT8 Data 492 ); 493 494EFI_STATUS 495QemuVideoCirrusModeSetup ( 496 QEMU_VIDEO_PRIVATE_DATA *Private 497 ); 498 499EFI_STATUS 500QemuVideoBochsModeSetup ( 501 QEMU_VIDEO_PRIVATE_DATA *Private, 502 BOOLEAN IsQxl 503 ); 504 505VOID 506InstallVbeShim ( 507 IN CONST CHAR16 *CardName, 508 IN EFI_PHYSICAL_ADDRESS FrameBufferBase 509 ); 510#endif 511