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55 lines · 1.3 KiB

1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright 2021 Microsoft
4 */
5
6#ifndef _HYPERV_DRM_H_
7#define _HYPERV_DRM_H_
8
9#define VMBUS_MAX_PACKET_SIZE 0x4000
10
11struct hv_drm_device {
12 /* drm */
13 struct drm_device dev;
14 struct drm_plane plane;
15 struct drm_crtc crtc;
16 struct drm_encoder encoder;
17 struct drm_connector connector;
18
19 /* mode */
20 u32 screen_width_max;
21 u32 screen_height_max;
22 u32 preferred_width;
23 u32 preferred_height;
24 u32 screen_depth;
25
26 /* hw */
27 struct resource *mem;
28 void __iomem *vram;
29 unsigned long fb_base;
30 unsigned long fb_size;
31 struct completion wait;
32 u32 synthvid_version;
33 u32 mmio_megabytes;
34 bool dirt_needed;
35
36 u8 init_buf[VMBUS_MAX_PACKET_SIZE];
37 u8 recv_buf[VMBUS_MAX_PACKET_SIZE];
38
39 struct hv_device *hdev;
40};
41
42#define to_hv_drm(_dev) container_of(_dev, struct hv_drm_device, dev)
43
44/* hyperv_drm_modeset */
45int hv_drm_mode_config_init(struct hv_drm_device *hv);
46
47/* hyperv_drm_proto */
48int hv_drm_update_vram_location(struct hv_device *hdev, phys_addr_t vram_pp);
49int hv_drm_update_situation(struct hv_device *hdev, u8 active, u32 bpp,
50 u32 w, u32 h, u32 pitch);
51int hv_drm_hide_hw_ptr(struct hv_device *hdev);
52int hv_drm_update_dirt(struct hv_device *hdev, struct drm_rect *rect);
53int hv_drm_connect_vsp(struct hv_device *hdev);
54
55#endif