9bcca53fe4
This adds a header file defining symbolic constants for the VMWare SVGA virtual display device in preparation for supporting it in QemuVideoDxe. It is mostly an extract of the file lib/vmware/svga_reg.h from commit 329dd537456f93a806841ec8a8213aed11395def of VMWare's vmware-svga repository at git://git.code.sf.net/p/vmware-svga/git (See also http://vmware-svga.sourceforge.net/ ) Only the bare essentials necessary for initialisation, modesetting and framebuffer access have been kept from the original file; macro names have been prefixed with VMWARE_SVGA_ instead of SVGA2_, and the enum definition has been adapted to comply with EDK2 naming conventions. The original file was released by VMWare under the MIT license, this has been retained. Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Laszlo Ersek <lersek@redhat.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Phil Dennis-Jordan <phil@philjordan.eu> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
105 lines
3.4 KiB
C
105 lines
3.4 KiB
C
/** @file
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Macro and enum definitions of a subset of port numbers, register identifiers
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and values required for driving the VMWare SVGA virtual display adapter,
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also implemented by Qemu.
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This file's contents was extracted from file lib/vmware/svga_reg.h in commit
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329dd537456f93a806841ec8a8213aed11395def of VMWare's vmware-svga repository:
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git://git.code.sf.net/p/vmware-svga/git
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Copyright 1998-2009 VMware, Inc. All rights reserved.
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Portions Copyright 2017 Phil Dennis-Jordan <phil@philjordan.eu>
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation
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files (the "Software"), to deal in the Software without
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restriction, including without limitation the rights to use, copy,
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modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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**/
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#ifndef _VMWARE_SVGA_H_
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#define _VMWARE_SVGA_H_
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#include <Base.h>
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//
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// IDs for recognising the device
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//
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#define VMWARE_PCI_VENDOR_ID_VMWARE 0x15AD
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#define VMWARE_PCI_DEVICE_ID_VMWARE_SVGA2 0x0405
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//
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// I/O port BAR offsets for register selection and read/write.
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//
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// The register index is written to the 32-bit index port, followed by a 32-bit
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// read or write on the value port to read or set that register's contents.
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//
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#define VMWARE_SVGA_INDEX_PORT 0x0
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#define VMWARE_SVGA_VALUE_PORT 0x1
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//
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// Some of the device's register indices for basic framebuffer functionality.
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//
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typedef enum {
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VmwareSvgaRegId = 0,
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VmwareSvgaRegEnable = 1,
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VmwareSvgaRegWidth = 2,
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VmwareSvgaRegHeight = 3,
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VmwareSvgaRegMaxWidth = 4,
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VmwareSvgaRegMaxHeight = 5,
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VmwareSvgaRegBitsPerPixel = 7,
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VmwareSvgaRegRedMask = 9,
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VmwareSvgaRegGreenMask = 10,
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VmwareSvgaRegBlueMask = 11,
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VmwareSvgaRegBytesPerLine = 12,
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VmwareSvgaRegFbOffset = 14,
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VmwareSvgaRegFbSize = 16,
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VmwareSvgaRegCapabilities = 17,
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VmwareSvgaRegHostBitsPerPixel = 28,
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} VMWARE_SVGA_REGISTER;
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//
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// Values used with VmwareSvgaRegId for sanity-checking the device and getting
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// its version.
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//
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#define VMWARE_SVGA_MAGIC 0x900000U
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#define VMWARE_SVGA_MAKE_ID(ver) (VMWARE_SVGA_MAGIC << 8 | (ver))
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#define VMWARE_SVGA_VERSION_2 2
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#define VMWARE_SVGA_ID_2 VMWARE_SVGA_MAKE_ID (VMWARE_SVGA_VERSION_2)
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#define VMWARE_SVGA_VERSION_1 1
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#define VMWARE_SVGA_ID_1 VMWARE_SVGA_MAKE_ID (VMWARE_SVGA_VERSION_1)
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#define VMWARE_SVGA_VERSION_0 0
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#define VMWARE_SVGA_ID_0 VMWARE_SVGA_MAKE_ID (VMWARE_SVGA_VERSION_0)
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//
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// One of the capability bits advertised by VmwareSvgaRegCapabilities.
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//
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#define VMWARE_SVGA_CAP_8BIT_EMULATION BIT8
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#endif
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