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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Copyright 2021 Microsoft4 */5 6#ifndef _HYPERV_DRM_H_7#define _HYPERV_DRM_H_8 9#define VMBUS_MAX_PACKET_SIZE 0x400010 11struct hyperv_drm_device {12 /* drm */13 struct drm_device dev;14 struct drm_simple_display_pipe pipe;15 struct drm_connector connector;16 17 /* mode */18 u32 screen_width_max;19 u32 screen_height_max;20 u32 preferred_width;21 u32 preferred_height;22 u32 screen_depth;23 24 /* hw */25 struct resource *mem;26 void __iomem *vram;27 unsigned long fb_base;28 unsigned long fb_size;29 struct completion wait;30 u32 synthvid_version;31 u32 mmio_megabytes;32 bool dirt_needed;33 34 u8 init_buf[VMBUS_MAX_PACKET_SIZE];35 u8 recv_buf[VMBUS_MAX_PACKET_SIZE];36 37 struct hv_device *hdev;38};39 40#define to_hv(_dev) container_of(_dev, struct hyperv_drm_device, dev)41 42/* hyperv_drm_modeset */43int hyperv_mode_config_init(struct hyperv_drm_device *hv);44 45/* hyperv_drm_proto */46int hyperv_update_vram_location(struct hv_device *hdev, phys_addr_t vram_pp);47int hyperv_update_situation(struct hv_device *hdev, u8 active, u32 bpp,48 u32 w, u32 h, u32 pitch);49int hyperv_hide_hw_ptr(struct hv_device *hdev);50int hyperv_update_dirt(struct hv_device *hdev, struct drm_rect *rect);51int hyperv_connect_vsp(struct hv_device *hdev);52 53#endif54