149 lines · 5.3 KB · C
RawDownload
/* SPDX-License-Identifier: MIT *//* Copyright © 2025 Intel Corporation x*/ #ifndef __DISPLAY_PARENT_INTERFACE_H__#define __DISPLAY_PARENT_INTERFACE_H__ #include <linux/types.h> struct dma_fence;struct drm_crtc;struct drm_device;struct drm_framebuffer;struct drm_gem_object;struct drm_plane_state;struct drm_scanout_buffer;struct i915_vma;struct intel_hdcp_gsc_context;struct intel_initial_plane_config;struct intel_panic;struct intel_stolen_node;struct ref_tracker; /* Keep struct definitions sorted */ struct intel_display_hdcp_interface {	ssize_t (*gsc_msg_send)(struct intel_hdcp_gsc_context *gsc_context,				void *msg_in, size_t msg_in_len,				void *msg_out, size_t msg_out_len);	bool (*gsc_check_status)(struct drm_device *drm);	struct intel_hdcp_gsc_context *(*gsc_context_alloc)(struct drm_device *drm);	void (*gsc_context_free)(struct intel_hdcp_gsc_context *gsc_context);}; struct intel_display_initial_plane_interface {	void (*vblank_wait)(struct drm_crtc *crtc);	struct drm_gem_object *(*alloc_obj)(struct drm_device *drm, struct intel_initial_plane_config *plane_config);	int (*setup)(struct drm_plane_state *plane_state, struct intel_initial_plane_config *plane_config,		     struct drm_framebuffer *fb, struct i915_vma *vma);	void (*config_fini)(struct intel_initial_plane_config *plane_configs);}; struct intel_display_irq_interface {	bool (*enabled)(struct drm_device *drm);	void (*synchronize)(struct drm_device *drm);}; struct intel_display_panic_interface {	struct intel_panic *(*alloc)(void);	int (*setup)(struct intel_panic *panic, struct drm_scanout_buffer *sb);	void (*finish)(struct intel_panic *panic);}; struct intel_display_pc8_interface {	void (*block)(struct drm_device *drm);	void (*unblock)(struct drm_device *drm);}; struct intel_display_rpm_interface {	struct ref_tracker *(*get)(const struct drm_device *drm);	struct ref_tracker *(*get_raw)(const struct drm_device *drm);	struct ref_tracker *(*get_if_in_use)(const struct drm_device *drm);	struct ref_tracker *(*get_noresume)(const struct drm_device *drm); 	void (*put)(const struct drm_device *drm, struct ref_tracker *wakeref);	void (*put_raw)(const struct drm_device *drm, struct ref_tracker *wakeref);	void (*put_unchecked)(const struct drm_device *drm); 	bool (*suspended)(const struct drm_device *drm);	void (*assert_held)(const struct drm_device *drm);	void (*assert_block)(const struct drm_device *drm);	void (*assert_unblock)(const struct drm_device *drm);}; struct intel_display_rps_interface {	void (*boost_if_not_started)(struct dma_fence *fence);	void (*mark_interactive)(struct drm_device *drm, bool interactive);	void (*ilk_irq_handler)(struct drm_device *drm);}; struct intel_display_stolen_interface {	int (*insert_node_in_range)(struct intel_stolen_node *node, u64 size,				    unsigned int align, u64 start, u64 end);	int (*insert_node)(struct intel_stolen_node *node, u64 size, unsigned int align); /* Optional */	void (*remove_node)(struct intel_stolen_node *node);	bool (*initialized)(struct drm_device *drm);	bool (*node_allocated)(const struct intel_stolen_node *node);	u64 (*node_offset)(const struct intel_stolen_node *node);	u64 (*area_address)(struct drm_device *drm); /* Optional */	u64 (*area_size)(struct drm_device *drm); /* Optional */	u64 (*node_address)(const struct intel_stolen_node *node);	u64 (*node_size)(const struct intel_stolen_node *node);	struct intel_stolen_node *(*node_alloc)(struct drm_device *drm);	void (*node_free)(const struct intel_stolen_node *node);}; /** * struct intel_display_parent_interface - services parent driver provides to display * * The parent, or core, driver provides a pointer to this structure to display * driver when calling intel_display_device_probe(). The display driver uses it * to access services provided by the parent driver. The structure may contain * sub-struct pointers to group function pointers by functionality. * * All function and sub-struct pointers must be initialized and callable unless * explicitly marked as "optional" below. The display driver will only NULL * check the optional pointers. */struct intel_display_parent_interface {	/** @hdcp: HDCP GSC interface */	const struct intel_display_hdcp_interface *hdcp; 	/** @initial_plane: Initial plane interface */	const struct intel_display_initial_plane_interface *initial_plane; 	/** @irq: IRQ interface */	const struct intel_display_irq_interface *irq; 	/** @panic: Panic interface */	const struct intel_display_panic_interface *panic; 	/** @pc8: PC8 interface. Optional. */	const struct intel_display_pc8_interface *pc8; 	/** @rpm: Runtime PM functions */	const struct intel_display_rpm_interface *rpm; 	/** @rps: RPS interface. Optional. */	const struct intel_display_rps_interface *rps; 	/** @stolen: Stolen memory. */	const struct intel_display_stolen_interface *stolen; 	/* Generic independent functions */	struct {		/** @fence_priority_display: Set display priority. Optional. */		void (*fence_priority_display)(struct dma_fence *fence); 		/** @has_auxccs: Are AuxCCS formats supported by the parent. Optional. */		bool (*has_auxccs)(struct drm_device *drm); 		/** @has_fenced_regions: Support legacy fencing? Optional. */		bool (*has_fenced_regions)(struct drm_device *drm); 		/** @vgpu_active: Is vGPU active? Optional. */		bool (*vgpu_active)(struct drm_device *drm);	};}; #endif