| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | /* |
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| 3 | * Simple pci display device. |
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| 4 | * |
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| 5 | * Framebuffer memory is pci bar 0. |
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| 6 | * Configuration (read-only) is in pci config space. |
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| 7 | * Format field uses drm fourcc codes. |
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| 8 | * ATM only DRM_FORMAT_XRGB8888 is supported. |
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| 9 | */ |
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| 10 | |
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| 11 | /* pci ids */ |
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| 12 | #define MDPY_PCI_VENDOR_ID PCI_VENDOR_ID_REDHAT |
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| 13 | #define MDPY_PCI_DEVICE_ID 0x000f |
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| 14 | #define MDPY_PCI_SUBVENDOR_ID PCI_SUBVENDOR_ID_REDHAT_QUMRANET |
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| 15 | #define MDPY_PCI_SUBDEVICE_ID PCI_SUBDEVICE_ID_QEMU |
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| 16 | |
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| 17 | /* pci cfg space offsets for fb config (dword) */ |
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| 18 | #define MDPY_VENDORCAP_OFFSET 0x40 |
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| 19 | #define MDPY_VENDORCAP_SIZE 0x10 |
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| 20 | #define MDPY_FORMAT_OFFSET (MDPY_VENDORCAP_OFFSET + 0x04) |
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| 21 | #define MDPY_WIDTH_OFFSET (MDPY_VENDORCAP_OFFSET + 0x08) |
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| 22 | #define MDPY_HEIGHT_OFFSET (MDPY_VENDORCAP_OFFSET + 0x0c) |
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| 23 | |
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