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
11/* pci ids */
12#define MDPY_PCI_VENDOR_ID	PCI_VENDOR_ID_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)