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QemuVideo: Add support for the bochs dispi interface

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Add code to handle qemu-emulated vga cards supporting the bochs dispi
interface (standard vga, qxl vga).  This requires qemu 1.3+ which
provides the bochs dispi interface data register on a aligned io
address.  See
http://git.qemu.org/?p=qemu.git;a=commitdiff;h=df9ffb726ff13f850b8829be1bc85ed621b903ac

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13968 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jljusten
2012-11-27 19:11:29 +00:00
parent 212aac55fd
commit 54f9b9accb
4 changed files with 196 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

60
OvmfPkg/QemuVideoDxe/Qemu.h
View File

@@ -89,6 +89,7 @@ typedef struct {
typedef enum {
QEMU_VIDEO_CIRRUS_5430 = 1,
QEMU_VIDEO_CIRRUS_5446,
QEMU_VIDEO_BOCHS,
} QEMU_VIDEO_VARIANT;
typedef struct {
@@ -126,6 +127,12 @@ typedef struct {
UINT8 MiscSetting;
} QEMU_VIDEO_CIRRUS_MODES;
typedef struct {
UINT32 Width;
UINT32 Height;
UINT32 ColorDepth;
} QEMU_VIDEO_BOCHS_MODES;
#define QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS(a) \
CR(a, QEMU_VIDEO_PRIVATE_DATA, GraphicsOutput, QEMU_VIDEO_PRIVATE_DATA_SIGNATURE)
@@ -142,6 +149,7 @@ extern UINT16 Seq_800_600_256_60[];
extern UINT8 Crtc_1024_768_256_60[];
extern UINT16 Seq_1024_768_256_60[];
extern QEMU_VIDEO_CIRRUS_MODES QemuVideoCirrusModes[];
extern QEMU_VIDEO_BOCHS_MODES QemuVideoBochsModes[];
extern EFI_DRIVER_BINDING_PROTOCOL gQemuVideoDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL gQemuVideoComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gQemuVideoComponentName2;
@@ -163,6 +171,34 @@ extern EFI_DRIVER_SUPPORTED_EFI_VERSION_PROTOCOL gQemuVideoDriverSupportedEfiVe
#define PALETTE_INDEX_REGISTER 0x3c8
#define PALETTE_DATA_REGISTER 0x3c9
#define VBE_DISPI_IOPORT_INDEX 0x01CE
#define VBE_DISPI_IOPORT_DATA 0x01D0
#define VBE_DISPI_INDEX_ID 0x0
#define VBE_DISPI_INDEX_XRES 0x1
#define VBE_DISPI_INDEX_YRES 0x2
#define VBE_DISPI_INDEX_BPP 0x3
#define VBE_DISPI_INDEX_ENABLE 0x4
#define VBE_DISPI_INDEX_BANK 0x5
#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
#define VBE_DISPI_INDEX_X_OFFSET 0x8
#define VBE_DISPI_INDEX_Y_OFFSET 0x9
#define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa
#define VBE_DISPI_ID0 0xB0C0
#define VBE_DISPI_ID1 0xB0C1
#define VBE_DISPI_ID2 0xB0C2
#define VBE_DISPI_ID3 0xB0C3
#define VBE_DISPI_ID4 0xB0C4
#define VBE_DISPI_ID5 0xB0C5
#define VBE_DISPI_DISABLED 0x00
#define VBE_DISPI_ENABLED 0x01
#define VBE_DISPI_GETCAPS 0x02
#define VBE_DISPI_8BIT_DAC 0x20
#define VBE_DISPI_LFB_ENABLED 0x40
#define VBE_DISPI_NOCLEARMEM 0x80
//
// Graphics Output Hardware abstraction internal worker functions
@@ -376,6 +412,12 @@ InitializeCirrusGraphicsMode (
QEMU_VIDEO_CIRRUS_MODES *ModeData
);
VOID
InitializeBochsGraphicsMode (
QEMU_VIDEO_PRIVATE_DATA *Private,
QEMU_VIDEO_BOCHS_MODES *ModeData
);
VOID
SetPaletteColor (
QEMU_VIDEO_PRIVATE_DATA *Private,
@@ -423,9 +465,27 @@ inw (
UINTN Address
);
VOID
BochsWrite (
QEMU_VIDEO_PRIVATE_DATA *Private,
UINT16 Reg,
UINT16 Data
);
UINT16
BochsRead (
QEMU_VIDEO_PRIVATE_DATA *Private,
UINT16 Reg
);
EFI_STATUS
QemuVideoCirrusModeSetup (
QEMU_VIDEO_PRIVATE_DATA *Private
);
EFI_STATUS
QemuVideoBochsModeSetup (
QEMU_VIDEO_PRIVATE_DATA *Private
);
#endif