| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| 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 | |
| 11 | /* pci ids */ |
| 12 | #define MDPY_PCI_VENDOR_ID 0x1b36 /* redhat */ |
| 13 | #define MDPY_PCI_DEVICE_ID 0x000f |
| 14 | #define MDPY_PCI_SUBVENDOR_ID PCI_SUBVENDOR_ID_REDHAT_QUMRANET |
| 15 | #define MDPY_PCI_SUBDEVICE_ID PCI_SUBDEVICE_ID_QEMU |
| 16 | |
| 17 | /* pci cfg space offsets for fb config (dword) */ |
| 18 | #define MDPY_VENDORCAP_OFFSET 0x40 |
| 19 | #define MDPY_VENDORCAP_SIZE 0x10 |
| 20 | #define MDPY_FORMAT_OFFSET (MDPY_VENDORCAP_OFFSET + 0x04) |
| 21 | #define MDPY_WIDTH_OFFSET (MDPY_VENDORCAP_OFFSET + 0x08) |
| 22 | #define MDPY_HEIGHT_OFFSET (MDPY_VENDORCAP_OFFSET + 0x0c) |