mdpy-defs.h 763 B

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