mirror of https://github.com/acidanthera/audk.git
Save original PCI attributes in start() function and restore it in Stop().
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4324 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
parent
54857d5a7c
commit
94b73c2482
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@ -4,21 +4,21 @@
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Protocols for the Cirrus Logic 5430 family of PCI video controllers.
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Protocols for the Cirrus Logic 5430 family of PCI video controllers.
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This driver is only usable in the EFI pre-boot environment.
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This driver is only usable in the EFI pre-boot environment.
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This sample is intended to show how the UGA Draw and Graphics output Protocol
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This sample is intended to show how the UGA Draw and Graphics output Protocol
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is able to function.
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is able to function.
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The UGA I/O Protocol is not implemented in this sample.
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The UGA I/O Protocol is not implemented in this sample.
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A fully compliant EFI UGA driver requires both
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A fully compliant EFI UGA driver requires both
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the UGA Draw and the UGA I/O Protocol. Please refer to Microsoft's
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the UGA Draw and the UGA I/O Protocol. Please refer to Microsoft's
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documentation on UGA for details on how to write a UGA driver that is able
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documentation on UGA for details on how to write a UGA driver that is able
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to function both in the EFI pre-boot environment and from the OS runtime.
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to function both in the EFI pre-boot environment and from the OS runtime.
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Copyright (c) 2006, Intel Corporation
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Copyright (c) 2006, Intel Corporation
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All rights reserved. This program and the accompanying materials
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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**/
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@ -40,8 +40,8 @@ EFI_DRIVER_BINDING_PROTOCOL gCirrusLogic5430DriverBinding = {
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/// Generic Attribute Controller Register Settings
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/// Generic Attribute Controller Register Settings
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///
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///
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UINT8 AttributeController[21] = {
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UINT8 AttributeController[21] = {
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0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
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0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
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0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
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0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
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0x41, 0x00, 0x0F, 0x00, 0x00
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0x41, 0x00, 0x0F, 0x00, 0x00
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};
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};
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@ -57,13 +57,13 @@ UINT8 GraphicsController[9] = {
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//
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//
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UINT8 Crtc_640_480_256_60[28] = {
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UINT8 Crtc_640_480_256_60[28] = {
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0x5d, 0x4f, 0x50, 0x82, 0x53, 0x9f, 0x00, 0x3e,
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0x5d, 0x4f, 0x50, 0x82, 0x53, 0x9f, 0x00, 0x3e,
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0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0xe1, 0x83, 0xdf, 0x50, 0x00, 0xe7, 0x04, 0xe3,
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0xe1, 0x83, 0xdf, 0x50, 0x00, 0xe7, 0x04, 0xe3,
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0xff, 0x00, 0x00, 0x22
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0xff, 0x00, 0x00, 0x22
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};
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};
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UINT16 Seq_640_480_256_60[15] = {
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UINT16 Seq_640_480_256_60[15] = {
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0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1107, 0x0008, 0x4a0b,
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0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1107, 0x0008, 0x4a0b,
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0x5b0c, 0x450d, 0x7e0e, 0x2b1b, 0x2f1c, 0x301d, 0x331e
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0x5b0c, 0x450d, 0x7e0e, 0x2b1b, 0x2f1c, 0x301d, 0x331e
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};
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};
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// 800 x 600 x 256 color @ 60 Hertz
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// 800 x 600 x 256 color @ 60 Hertz
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//
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//
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UINT8 Crtc_800_600_256_60[28] = {
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UINT8 Crtc_800_600_256_60[28] = {
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0x7F, 0x63, 0x64, 0x80, 0x6B, 0x1B, 0x72, 0xF0,
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0x7F, 0x63, 0x64, 0x80, 0x6B, 0x1B, 0x72, 0xF0,
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0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x58, 0x8C, 0x57, 0x64, 0x00, 0x5F, 0x91, 0xE3,
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0x58, 0x8C, 0x57, 0x64, 0x00, 0x5F, 0x91, 0xE3,
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0xFF, 0x00, 0x00, 0x22
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0xFF, 0x00, 0x00, 0x22
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};
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};
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UINT16 Seq_800_600_256_60[15] = {
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UINT16 Seq_800_600_256_60[15] = {
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0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1107, 0x0008, 0x4a0b,
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0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1107, 0x0008, 0x4a0b,
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0x5b0c, 0x450d, 0x510e, 0x2b1b, 0x2f1c, 0x301d, 0x3a1e
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0x5b0c, 0x450d, 0x510e, 0x2b1b, 0x2f1c, 0x301d, 0x3a1e
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};
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};
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// 1024 x 768 x 256 color @ 60 Hertz
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// 1024 x 768 x 256 color @ 60 Hertz
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//
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//
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UINT8 Crtc_1024_768_256_60[28] = {
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UINT8 Crtc_1024_768_256_60[28] = {
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0xA3, 0x7F, 0x80, 0x86, 0x85, 0x96, 0x24, 0xFD,
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0xA3, 0x7F, 0x80, 0x86, 0x85, 0x96, 0x24, 0xFD,
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0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x02, 0x88, 0xFF, 0x80, 0x00, 0x00, 0x24, 0xE3,
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0x02, 0x88, 0xFF, 0x80, 0x00, 0x00, 0x24, 0xE3,
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0xFF, 0x4A, 0x00, 0x22
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0xFF, 0x4A, 0x00, 0x22
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};
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};
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UINT16 Seq_1024_768_256_60[15] = {
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UINT16 Seq_1024_768_256_60[15] = {
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0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1107, 0x0008, 0x4a0b,
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0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1107, 0x0008, 0x4a0b,
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0x5b0c, 0x450d, 0x760e, 0x2b1b, 0x2f1c, 0x301d, 0x341e
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0x5b0c, 0x450d, 0x760e, 0x2b1b, 0x2f1c, 0x301d, 0x341e
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};
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};
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///
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///
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CIRRUS_LOGIC_5430_VIDEO_MODES CirrusLogic5430VideoModes[] = {
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CIRRUS_LOGIC_5430_VIDEO_MODES CirrusLogic5430VideoModes[] = {
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{ 640, 480, 8, 60, Crtc_640_480_256_60, Seq_640_480_256_60, 0xe3 },
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{ 640, 480, 8, 60, Crtc_640_480_256_60, Seq_640_480_256_60, 0xe3 },
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{ 800, 600, 8, 60, Crtc_800_600_256_60, Seq_800_600_256_60, 0xef },
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{ 800, 600, 8, 60, Crtc_800_600_256_60, Seq_800_600_256_60, 0xef },
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{ 1024, 768, 8, 60, Crtc_1024_768_256_60, Seq_1024_768_256_60, 0xef }
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{ 1024, 768, 8, 60, Crtc_1024_768_256_60, Seq_1024_768_256_60, 0xef }
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};
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};
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/**
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/**
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@ -242,6 +242,20 @@ CirrusLogic5430ControllerDriverStart (
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goto Error;
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goto Error;
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}
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}
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//
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// Save original PCI attributes
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//
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Status = Private->PciIo->Attributes (
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Private->PciIo,
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EfiPciIoAttributeOperationGet,
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0,
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&Private->OriginalPciAttributes
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);
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if (EFI_ERROR (Status)) {
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goto Error;
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}
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Status = Private->PciIo->Attributes (
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Status = Private->PciIo->Attributes (
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Private->PciIo,
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Private->PciIo,
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EfiPciIoAttributeOperationEnable,
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EfiPciIoAttributeOperationEnable,
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&Private->GraphicsOutput,
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&Private->GraphicsOutput,
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NULL
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NULL
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);
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);
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} else {
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} else {
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//
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//
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// This driver must support eithor GOP or UGA or both.
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// This driver must support eithor GOP or UGA or both.
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//
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//
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ASSERT (FALSE);
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ASSERT (FALSE);
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Status = EFI_UNSUPPORTED;
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Status = EFI_UNSUPPORTED;
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}
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}
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}
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}
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Error:
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Error:
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if (EFI_ERROR (Status)) {
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if (EFI_ERROR (Status)) {
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if (Private) {
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if (Private) {
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if (Private->PciIo) {
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if (Private->PciIo) {
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//
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// Restore original PCI attributes
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//
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Private->PciIo->Attributes (
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Private->PciIo->Attributes (
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Private->PciIo,
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Private->PciIo,
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EfiPciIoAttributeOperationDisable,
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EfiPciIoAttributeOperationSet,
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EFI_PCI_DEVICE_ENABLE | EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY | EFI_PCI_IO_ATTRIBUTE_VGA_IO,
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Private->OriginalPciAttributes,
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NULL
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NULL
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);
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);
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}
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}
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//
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// Close the PCI I/O Protocol
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//
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gBS->CloseProtocol (
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Private->Handle,
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&gEfiPciIoProtocolGuid,
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This->DriverBindingHandle,
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Private->Handle
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);
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}
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//
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// Close the PCI I/O Protocol
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//
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gBS->CloseProtocol (
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Private->Handle,
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&gEfiPciIoProtocolGuid,
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This->DriverBindingHandle,
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Private->Handle
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);
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if (Private) {
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gBS->FreePool (Private);
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gBS->FreePool (Private);
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}
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}
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}
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}
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@ -433,16 +449,15 @@ CirrusLogic5430ControllerDriverStop (
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return Status;
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return Status;
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}
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}
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//
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//
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// Shutdown the hardware
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// Restore original PCI attributes
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//
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//
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Private->PciIo->Attributes (
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Private->PciIo->Attributes (
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Private->PciIo,
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Private->PciIo,
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EfiPciIoAttributeOperationDisable,
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EfiPciIoAttributeOperationSet,
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EFI_PCI_DEVICE_ENABLE | EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY | EFI_PCI_IO_ATTRIBUTE_VGA_IO,
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Private->OriginalPciAttributes,
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NULL
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NULL
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);
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);
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//
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//
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// Close the PCI I/O Protocol
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// Close the PCI I/O Protocol
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@ -787,7 +802,7 @@ InitializeCirrusLogic5430 (
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ASSERT_EFI_ERROR (Status);
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ASSERT_EFI_ERROR (Status);
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//
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//
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// Install EFI Driver Supported EFI Version Protocol required for
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// Install EFI Driver Supported EFI Version Protocol required for
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// EFI drivers that are on PCI and other plug in cards.
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// EFI drivers that are on PCI and other plug in cards.
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//
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//
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gCirrusLogic5430DriverSupportedEfiVersion.FirmwareVersion = PcdGet32 (PcdDriverSupportedEfiVersion);
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gCirrusLogic5430DriverSupportedEfiVersion.FirmwareVersion = PcdGet32 (PcdDriverSupportedEfiVersion);
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@ -1,14 +1,14 @@
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/** @file
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/** @file
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Cirrus Logic 5430 Controller Driver
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Cirrus Logic 5430 Controller Driver
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Copyright (c) 2006, Intel Corporation
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Copyright (c) 2006, Intel Corporation
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All rights reserved. This program and the accompanying materials
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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**/
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@ -65,6 +65,7 @@ typedef struct {
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UINT64 Signature;
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UINT64 Signature;
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EFI_HANDLE Handle;
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EFI_HANDLE Handle;
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EFI_PCI_IO_PROTOCOL *PciIo;
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EFI_PCI_IO_PROTOCOL *PciIo;
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UINT64 OriginalPciAttributes;
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EFI_UGA_DRAW_PROTOCOL UgaDraw;
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EFI_UGA_DRAW_PROTOCOL UgaDraw;
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EFI_GRAPHICS_OUTPUT_PROTOCOL GraphicsOutput;
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EFI_GRAPHICS_OUTPUT_PROTOCOL GraphicsOutput;
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UINTN CurrentMode;
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UINTN CurrentMode;
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