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/Initialize.c | |
| parent | 212aac55fd13e985cebf88042f40479c01ac2e44 (diff) | |
| download | edk2-platforms-54f9b9accbcb6dc7f965342fc75b478464de21a3.tar.xz | |
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/Initialize.c')
| -rw-r--r-- | OvmfPkg/QemuVideoDxe/Initialize.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/OvmfPkg/QemuVideoDxe/Initialize.c b/OvmfPkg/QemuVideoDxe/Initialize.c index a369e22988..305797bd50 100644 --- a/OvmfPkg/QemuVideoDxe/Initialize.c +++ b/OvmfPkg/QemuVideoDxe/Initialize.c @@ -201,3 +201,55 @@ QemuVideoCirrusModeSetup ( return EFI_SUCCESS;
}
+///
+/// Table of supported video modes
+///
+QEMU_VIDEO_BOCHS_MODES QemuVideoBochsModes[] = {
+ { 640, 480, 32 },
+ { 800, 600, 32 },
+ { 1024, 768, 24 },
+};
+
+#define QEMU_VIDEO_BOCHS_MODE_COUNT \
+ (sizeof (QemuVideoBochsModes) / sizeof (QemuVideoBochsModes[0]))
+
+EFI_STATUS
+QemuVideoBochsModeSetup (
+ QEMU_VIDEO_PRIVATE_DATA *Private
+ )
+{
+ UINT32 Index;
+ QEMU_VIDEO_MODE_DATA *ModeData;
+ QEMU_VIDEO_BOCHS_MODES *VideoMode;
+
+ //
+ // Setup Video Modes
+ //
+ Private->ModeData = AllocatePool (
+ sizeof (Private->ModeData[0]) * QEMU_VIDEO_BOCHS_MODE_COUNT
+ );
+ ModeData = Private->ModeData;
+ VideoMode = &QemuVideoBochsModes[0];
+ for (Index = 0; Index < QEMU_VIDEO_BOCHS_MODE_COUNT; Index ++) {
+ ModeData->ModeNumber = Index;
+ ModeData->HorizontalResolution = VideoMode->Width;
+ ModeData->VerticalResolution = VideoMode->Height;
+ ModeData->ColorDepth = VideoMode->ColorDepth;
+ ModeData->RefreshRate = 60;
+ DEBUG ((EFI_D_INFO,
+ "Adding Bochs Video Mode %d: %dx%d, %d-bit, %d Hz\n",
+ ModeData->ModeNumber,
+ ModeData->HorizontalResolution,
+ ModeData->VerticalResolution,
+ ModeData->ColorDepth,
+ ModeData->RefreshRate
+ ));
+
+ ModeData ++ ;
+ VideoMode ++;
+ }
+ Private->MaxMode = QEMU_VIDEO_BOCHS_MODE_COUNT;
+
+ return EFI_SUCCESS;
+}
+
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