diff options
Diffstat (limited to 'drivers/gpu/drm/hyperv/hyperv_drm.h')
| -rw-r--r-- | drivers/gpu/drm/hyperv/hyperv_drm.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/gpu/drm/hyperv/hyperv_drm.h b/drivers/gpu/drm/hyperv/hyperv_drm.h new file mode 100644 index 000000000000..886add4f9cd0 --- /dev/null +++ b/drivers/gpu/drm/hyperv/hyperv_drm.h @@ -0,0 +1,52 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright 2021 Microsoft + */ + +#ifndef _HYPERV_DRM_H_ +#define _HYPERV_DRM_H_ + +#define VMBUS_MAX_PACKET_SIZE 0x4000 + +struct hyperv_drm_device { + /* drm */ + struct drm_device dev; + struct drm_simple_display_pipe pipe; + struct drm_connector connector; + + /* mode */ + u32 screen_width_max; + u32 screen_height_max; + u32 preferred_width; + u32 preferred_height; + u32 screen_depth; + + /* hw */ + struct resource *mem; + void __iomem *vram; + unsigned long fb_base; + unsigned long fb_size; + struct completion wait; + u32 synthvid_version; + u32 mmio_megabytes; + bool dirt_needed; + + u8 init_buf[VMBUS_MAX_PACKET_SIZE]; + u8 recv_buf[VMBUS_MAX_PACKET_SIZE]; + + struct hv_device *hdev; +}; + +#define to_hv(_dev) container_of(_dev, struct hyperv_drm_device, dev) + +/* hyperv_drm_modeset */ +int hyperv_mode_config_init(struct hyperv_drm_device *hv); + +/* hyperv_drm_proto */ +int hyperv_update_vram_location(struct hv_device *hdev, phys_addr_t vram_pp); +int hyperv_update_situation(struct hv_device *hdev, u8 active, u32 bpp, + u32 w, u32 h, u32 pitch); +int hyperv_update_dirt(struct hv_device *hdev, struct drm_rect *rect); +int hyperv_connect_vsp(struct hv_device *hdev); + +#endif |