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_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 */ 43 int hyperv_mode_config_init(struct hyperv_drm_device *hv); 44 45 /* hyperv_drm_proto */ 46 int hyperv_update_vram_location(struct hv_device *hdev, phys_addr_t vram_pp); 47 int hyperv_update_situation(struct hv_device *hdev, u8 active, u32 bpp, 48 u32 w, u32 h, u32 pitch); 49 int hyperv_update_dirt(struct hv_device *hdev, struct drm_rect *rect); 50 int hyperv_connect_vsp(struct hv_device *hdev); 51 52 #endif 53