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22 lines
763 B
22 lines
763 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Simple pci display device. |
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* |
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* Framebuffer memory is pci bar 0. |
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* Configuration (read-only) is in pci config space. |
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* Format field uses drm fourcc codes. |
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* ATM only DRM_FORMAT_XRGB8888 is supported. |
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*/ |
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/* pci ids */ |
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#define MDPY_PCI_VENDOR_ID PCI_VENDOR_ID_REDHAT |
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#define MDPY_PCI_DEVICE_ID 0x000f |
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#define MDPY_PCI_SUBVENDOR_ID PCI_SUBVENDOR_ID_REDHAT_QUMRANET |
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#define MDPY_PCI_SUBDEVICE_ID PCI_SUBDEVICE_ID_QEMU |
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/* pci cfg space offsets for fb config (dword) */ |
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#define MDPY_VENDORCAP_OFFSET 0x40 |
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#define MDPY_VENDORCAP_SIZE 0x10 |
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#define MDPY_FORMAT_OFFSET (MDPY_VENDORCAP_OFFSET + 0x04) |
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#define MDPY_WIDTH_OFFSET (MDPY_VENDORCAP_OFFSET + 0x08) |
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#define MDPY_HEIGHT_OFFSET (MDPY_VENDORCAP_OFFSET + 0x0c)
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