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 11 struct hyperv_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(_dev) container_of(_dev, struct hyperv_drm_device, dev) 43 44 /* hyperv_drm_modeset */ 45 int hyperv_mode_config_init(struct hyperv_drm_device *hv); 46 47 /* hyperv_drm_proto */ 48 int hyperv_update_vram_location(struct hv_device *hdev, phys_addr_t vram_pp); 49 int hyperv_update_situation(struct hv_device *hdev, u8 active, u32 bpp, 50 u32 w, u32 h, u32 pitch); 51 int hyperv_hide_hw_ptr(struct hv_device *hdev); 52 int hyperv_update_dirt(struct hv_device *hdev, struct drm_rect *rect); 53 int hyperv_connect_vsp(struct hv_device *hdev); 54 55 #endif 56