diff options
| author | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-11-27 19:11:29 +0000 |
|---|---|---|
| committer | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-11-27 19:11:29 +0000 |
| commit | 54f9b9accbcb6dc7f965342fc75b478464de21a3 (patch) | |
| tree | d62d082081fe0e04607077e4636f6bfa6b49b800 /OvmfPkg/QemuVideoDxe/Qemu.h | |
| parent | 212aac55fd13e985cebf88042f40479c01ac2e44 (diff) | |
| download | edk2-54f9b9accbcb6dc7f965342fc75b478464de21a3.tar.gz edk2-54f9b9accbcb6dc7f965342fc75b478464de21a3.tar.bz2 edk2-54f9b9accbcb6dc7f965342fc75b478464de21a3.zip | |
QemuVideo: Add support for the bochs dispi interface
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
Diffstat (limited to 'OvmfPkg/QemuVideoDxe/Qemu.h')
| -rw-r--r-- | OvmfPkg/QemuVideoDxe/Qemu.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/OvmfPkg/QemuVideoDxe/Qemu.h b/OvmfPkg/QemuVideoDxe/Qemu.h index f294901fa6..343fd347b6 100644 --- a/OvmfPkg/QemuVideoDxe/Qemu.h +++ b/OvmfPkg/QemuVideoDxe/Qemu.h @@ -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
@@ -377,6 +413,12 @@ InitializeCirrusGraphicsMode ( );
VOID
+InitializeBochsGraphicsMode (
+ QEMU_VIDEO_PRIVATE_DATA *Private,
+ QEMU_VIDEO_BOCHS_MODES *ModeData
+ );
+
+VOID
SetPaletteColor (
QEMU_VIDEO_PRIVATE_DATA *Private,
UINTN Index,
@@ -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
|