176c56a5aSDeepak Rawat /* SPDX-License-Identifier: GPL-2.0-only */ 276c56a5aSDeepak Rawat /* 376c56a5aSDeepak Rawat * Copyright 2021 Microsoft 476c56a5aSDeepak Rawat */ 576c56a5aSDeepak Rawat 676c56a5aSDeepak Rawat #ifndef _HYPERV_DRM_H_ 776c56a5aSDeepak Rawat #define _HYPERV_DRM_H_ 876c56a5aSDeepak Rawat 976c56a5aSDeepak Rawat #define VMBUS_MAX_PACKET_SIZE 0x4000 1076c56a5aSDeepak Rawat 1176c56a5aSDeepak Rawat struct hyperv_drm_device { 1276c56a5aSDeepak Rawat /* drm */ 1376c56a5aSDeepak Rawat struct drm_device dev; 1476c56a5aSDeepak Rawat struct drm_simple_display_pipe pipe; 1576c56a5aSDeepak Rawat struct drm_connector connector; 1676c56a5aSDeepak Rawat 1776c56a5aSDeepak Rawat /* mode */ 1876c56a5aSDeepak Rawat u32 screen_width_max; 1976c56a5aSDeepak Rawat u32 screen_height_max; 2076c56a5aSDeepak Rawat u32 preferred_width; 2176c56a5aSDeepak Rawat u32 preferred_height; 2276c56a5aSDeepak Rawat u32 screen_depth; 2376c56a5aSDeepak Rawat 2476c56a5aSDeepak Rawat /* hw */ 2576c56a5aSDeepak Rawat struct resource *mem; 2676c56a5aSDeepak Rawat void __iomem *vram; 2776c56a5aSDeepak Rawat unsigned long fb_base; 2876c56a5aSDeepak Rawat unsigned long fb_size; 2976c56a5aSDeepak Rawat struct completion wait; 3076c56a5aSDeepak Rawat u32 synthvid_version; 3176c56a5aSDeepak Rawat u32 mmio_megabytes; 3225bfa956SDeepak Rawat bool dirt_needed; 3376c56a5aSDeepak Rawat 3476c56a5aSDeepak Rawat u8 init_buf[VMBUS_MAX_PACKET_SIZE]; 3576c56a5aSDeepak Rawat u8 recv_buf[VMBUS_MAX_PACKET_SIZE]; 3676c56a5aSDeepak Rawat 3776c56a5aSDeepak Rawat struct hv_device *hdev; 3876c56a5aSDeepak Rawat }; 3976c56a5aSDeepak Rawat 4076c56a5aSDeepak Rawat #define to_hv(_dev) container_of(_dev, struct hyperv_drm_device, dev) 4176c56a5aSDeepak Rawat 4276c56a5aSDeepak Rawat /* hyperv_drm_modeset */ 4376c56a5aSDeepak Rawat int hyperv_mode_config_init(struct hyperv_drm_device *hv); 4476c56a5aSDeepak Rawat 4576c56a5aSDeepak Rawat /* hyperv_drm_proto */ 4676c56a5aSDeepak Rawat int hyperv_update_vram_location(struct hv_device *hdev, phys_addr_t vram_pp); 4776c56a5aSDeepak Rawat int hyperv_update_situation(struct hv_device *hdev, u8 active, u32 bpp, 4876c56a5aSDeepak Rawat u32 w, u32 h, u32 pitch); 49*b253c302SDexuan Cui int hyperv_hide_hw_ptr(struct hv_device *hdev); 5076c56a5aSDeepak Rawat int hyperv_update_dirt(struct hv_device *hdev, struct drm_rect *rect); 5176c56a5aSDeepak Rawat int hyperv_connect_vsp(struct hv_device *hdev); 5276c56a5aSDeepak Rawat 5376c56a5aSDeepak Rawat #endif 54