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QemuVideo: prepare to support more hardware

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Move to a table-driven hardware detection.  Add a table with PCI IDs,
card name and variant enum.  Use the table for hardware detection and
initialization.  Rename Cirrus-specific data and code to carry "cirrus"
in the name.

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@13967 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jljusten
2012-11-27 19:11:11 +00:00
parent 8e4585bb6c
commit 212aac55fd
5 changed files with 133 additions and 64 deletions
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136
OvmfPkg/QemuVideoDxe/Driver.c
View File

@@ -25,6 +25,45 @@ EFI_DRIVER_BINDING_PROTOCOL gQemuVideoDriverBinding = {
NULL
};
QEMU_VIDEO_CARD gQemuVideoCardList[] = {
{
CIRRUS_LOGIC_VENDOR_ID,
CIRRUS_LOGIC_5430_DEVICE_ID,
QEMU_VIDEO_CIRRUS_5430,
L"Cirrus 5430"
},{
CIRRUS_LOGIC_VENDOR_ID,
CIRRUS_LOGIC_5430_ALTERNATE_DEVICE_ID,
QEMU_VIDEO_CIRRUS_5430,
L"Cirrus 5430"
},{
CIRRUS_LOGIC_VENDOR_ID,
CIRRUS_LOGIC_5446_DEVICE_ID,
QEMU_VIDEO_CIRRUS_5446,
L"Cirrus 5446"
},{
0 /* end of list */
}
};
static QEMU_VIDEO_CARD*
QemuVideoDetect(
IN UINT16 VendorId,
IN UINT16 DeviceId
)
{
UINTN Index = 0;
while (gQemuVideoCardList[Index].VendorId != 0) {
if (gQemuVideoCardList[Index].VendorId == VendorId &&
gQemuVideoCardList[Index].DeviceId == DeviceId) {
return gQemuVideoCardList + Index;
}
Index++;
}
return NULL;
}
/**
Check if this device is supported.
@@ -48,6 +87,7 @@ QemuVideoControllerDriverSupported (
EFI_PCI_IO_PROTOCOL *PciIo;
PCI_TYPE00 Pci;
EFI_DEV_PATH *Node;
QEMU_VIDEO_CARD *Card;
//
// Open the PCI I/O Protocol
@@ -87,35 +127,29 @@ QemuVideoControllerDriverSupported (
//
// See if this is a Cirrus Logic PCI controller
//
if (Pci.Hdr.VendorId == CIRRUS_LOGIC_VENDOR_ID) {
Card = QemuVideoDetect(Pci.Hdr.VendorId, Pci.Hdr.DeviceId);
if (Card != NULL) {
DEBUG ((EFI_D_INFO, "QemuVideo: %s detected\n", Card->Name));
Status = EFI_SUCCESS;
//
// See if this is a 5430 or a 5446 PCI controller
// If this is an Intel 945 graphics controller,
// go further check RemainingDevicePath validation
//
if (Pci.Hdr.DeviceId == CIRRUS_LOGIC_5430_DEVICE_ID ||
Pci.Hdr.DeviceId == CIRRUS_LOGIC_5430_ALTERNATE_DEVICE_ID ||
Pci.Hdr.DeviceId == CIRRUS_LOGIC_5446_DEVICE_ID) {
Status = EFI_SUCCESS;
if (RemainingDevicePath != NULL) {
Node = (EFI_DEV_PATH *) RemainingDevicePath;
//
// If this is an Intel 945 graphics controller,
// go further check RemainingDevicePath validation
// Check if RemainingDevicePath is the End of Device Path Node,
// if yes, return EFI_SUCCESS
//
if (RemainingDevicePath != NULL) {
Node = (EFI_DEV_PATH *) RemainingDevicePath;
if (!IsDevicePathEnd (Node)) {
//
// Check if RemainingDevicePath is the End of Device Path Node,
// if yes, return EFI_SUCCESS
// If RemainingDevicePath isn't the End of Device Path Node,
// check its validation
//
if (!IsDevicePathEnd (Node)) {
//
// If RemainingDevicePath isn't the End of Device Path Node,
// check its validation
//
if (Node->DevPath.Type != ACPI_DEVICE_PATH ||
Node->DevPath.SubType != ACPI_ADR_DP ||
DevicePathNodeLength(&Node->DevPath) != sizeof(ACPI_ADR_DEVICE_PATH)) {
Status = EFI_UNSUPPORTED;
}
if (Node->DevPath.Type != ACPI_DEVICE_PATH ||
Node->DevPath.SubType != ACPI_ADR_DP ||
DevicePathNodeLength(&Node->DevPath) != sizeof(ACPI_ADR_DEVICE_PATH)) {
Status = EFI_UNSUPPORTED;
}
}
}
@@ -161,7 +195,9 @@ QemuVideoControllerDriverStart (
BOOLEAN PciAttributesSaved;
EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
ACPI_ADR_DEVICE_PATH AcpiDeviceNode;
PCI_TYPE00 Pci;
QEMU_VIDEO_CARD *Card;
PciAttributesSaved = FALSE;
//
// Allocate Private context data for GOP inteface.
@@ -193,6 +229,27 @@ QemuVideoControllerDriverStart (
goto Error;
}
//
// Read the PCI Configuration Header from the PCI Device
//
Status = Private->PciIo->Pci.Read (
Private->PciIo,
EfiPciIoWidthUint32,
0,
sizeof (Pci) / sizeof (UINT32),
&Pci
);
if (EFI_ERROR (Status)) {
goto Error;
}
Card = QemuVideoDetect(Pci.Hdr.VendorId, Pci.Hdr.DeviceId);
if (Card == NULL) {
Status = EFI_DEVICE_ERROR;
goto Error;
}
Private->Variant = Card->Variant;
//
// Save original PCI attributes
//
@@ -274,7 +331,16 @@ QemuVideoControllerDriverStart (
//
// Construct video mode buffer
//
Status = QemuVideoVideoModeSetup (Private);
switch (Private->Variant) {
case QEMU_VIDEO_CIRRUS_5430:
case QEMU_VIDEO_CIRRUS_5446:
Status = QemuVideoCirrusModeSetup (Private);
break;
default:
ASSERT (FALSE);
Status = EFI_DEVICE_ERROR;
break;
}
if (EFI_ERROR (Status)) {
goto Error;
}
@@ -640,27 +706,13 @@ DrawLogo (
**/
VOID
InitializeGraphicsMode (
InitializeCirrusGraphicsMode (
QEMU_VIDEO_PRIVATE_DATA *Private,
QEMU_VIDEO_VIDEO_MODES *ModeData
QEMU_VIDEO_CIRRUS_MODES *ModeData
)
{
UINT8 Byte;
UINTN Index;
UINT16 DeviceId;
EFI_STATUS Status;
Status = Private->PciIo->Pci.Read (
Private->PciIo,
EfiPciIoWidthUint16,
PCI_DEVICE_ID_OFFSET,
1,
&DeviceId
);
//
// Read the PCI Configuration Header from the PCI Device
//
ASSERT_EFI_ERROR (Status);
outw (Private, SEQ_ADDRESS_REGISTER, 0x1206);
outw (Private, SEQ_ADDRESS_REGISTER, 0x0012);
@@ -669,7 +721,7 @@ InitializeGraphicsMode (
outw (Private, SEQ_ADDRESS_REGISTER, ModeData->SeqSettings[Index]);
}
if (DeviceId != CIRRUS_LOGIC_5446_DEVICE_ID) {
if (Private->Variant == QEMU_VIDEO_CIRRUS_5430) {
outb (Private, SEQ_ADDRESS_REGISTER, 0x0f);
Byte = (UINT8) ((inb (Private, SEQ_DATA_REGISTER) & 0xc7) ^ 0x30);
outb (Private, SEQ_DATA_REGISTER, Byte);