/* SPDX-License-Identifier: MIT */ /* Copyright © 2025 Intel Corporation */ #ifndef __INTEL_PARENT_H__ #define __INTEL_PARENT_H__ #include struct dma_fence; struct drm_file; struct drm_gem_object; struct drm_scanout_buffer; struct i915_vma; struct intel_display; struct intel_dpt; struct intel_frontbuffer; struct intel_hdcp_gsc_context; struct intel_panic; struct intel_stolen_node; /* dpt */ struct intel_dpt *intel_parent_dpt_create(struct intel_display *display, struct drm_gem_object *obj, size_t size); void intel_parent_dpt_destroy(struct intel_display *display, struct intel_dpt *dpt); void intel_parent_dpt_suspend(struct intel_display *display, struct intel_dpt *dpt); void intel_parent_dpt_resume(struct intel_display *display, struct intel_dpt *dpt); /* frontbuffer */ struct intel_frontbuffer *intel_parent_frontbuffer_get(struct intel_display *display, struct drm_gem_object *obj); void intel_parent_frontbuffer_ref(struct intel_display *display, struct intel_frontbuffer *front); void intel_parent_frontbuffer_put(struct intel_display *display, struct intel_frontbuffer *front); void intel_parent_frontbuffer_flush_for_display(struct intel_display *display, struct intel_frontbuffer *front); /* hdcp */ ssize_t intel_parent_hdcp_gsc_msg_send(struct intel_display *display, struct intel_hdcp_gsc_context *gsc_context, void *msg_in, size_t msg_in_len, void *msg_out, size_t msg_out_len); bool intel_parent_hdcp_gsc_check_status(struct intel_display *display); struct intel_hdcp_gsc_context *intel_parent_hdcp_gsc_context_alloc(struct intel_display *display); void intel_parent_hdcp_gsc_context_free(struct intel_display *display, struct intel_hdcp_gsc_context *gsc_context); /* irq */ bool intel_parent_irq_enabled(struct intel_display *display); void intel_parent_irq_synchronize(struct intel_display *display); /* overlay */ bool intel_parent_overlay_is_active(struct intel_display *display); int intel_parent_overlay_on(struct intel_display *display, u32 frontbuffer_bits); int intel_parent_overlay_continue(struct intel_display *display, struct i915_vma *vma, bool load_polyphase_filter); int intel_parent_overlay_off(struct intel_display *display); int intel_parent_overlay_recover_from_interrupt(struct intel_display *display); int intel_parent_overlay_release_old_vid(struct intel_display *display); void intel_parent_overlay_reset(struct intel_display *display); struct i915_vma *intel_parent_overlay_pin_fb(struct intel_display *display, struct drm_gem_object *obj, u32 *offset); void intel_parent_overlay_unpin_fb(struct intel_display *display, struct i915_vma *vma); struct drm_gem_object *intel_parent_overlay_obj_lookup(struct intel_display *display, struct drm_file *filp, u32 handle); void __iomem *intel_parent_overlay_setup(struct intel_display *display, bool needs_physical); void intel_parent_overlay_cleanup(struct intel_display *display); /* panic */ struct intel_panic *intel_parent_panic_alloc(struct intel_display *display); int intel_parent_panic_setup(struct intel_display *display, struct intel_panic *panic, struct drm_scanout_buffer *sb); void intel_parent_panic_finish(struct intel_display *display, struct intel_panic *panic); /* pc8 */ void intel_parent_pc8_block(struct intel_display *display); void intel_parent_pc8_unblock(struct intel_display *display); /* pcode */ int intel_parent_pcode_read(struct intel_display *display, u32 mbox, u32 *val, u32 *val1); int intel_parent_pcode_write_timeout(struct intel_display *display, u32 mbox, u32 val, int timeout_ms); int intel_parent_pcode_write(struct intel_display *display, u32 mbox, u32 val); int intel_parent_pcode_request(struct intel_display *display, u32 mbox, u32 request, u32 reply_mask, u32 reply, int timeout_base_ms); /* rps */ bool intel_parent_rps_available(struct intel_display *display); void intel_parent_rps_boost_if_not_started(struct intel_display *display, struct dma_fence *fence); void intel_parent_rps_mark_interactive(struct intel_display *display, bool interactive); void intel_parent_rps_ilk_irq_handler(struct intel_display *display); /* stolen */ int intel_parent_stolen_insert_node_in_range(struct intel_display *display, struct intel_stolen_node *node, u64 size, unsigned int align, u64 start, u64 end); int intel_parent_stolen_insert_node(struct intel_display *display, struct intel_stolen_node *node, u64 size, unsigned int align); void intel_parent_stolen_remove_node(struct intel_display *display, struct intel_stolen_node *node); bool intel_parent_stolen_initialized(struct intel_display *display); bool intel_parent_stolen_node_allocated(struct intel_display *display, const struct intel_stolen_node *node); u32 intel_parent_stolen_node_offset(struct intel_display *display, struct intel_stolen_node *node); u64 intel_parent_stolen_area_address(struct intel_display *display); u64 intel_parent_stolen_area_size(struct intel_display *display); u64 intel_parent_stolen_node_address(struct intel_display *display, struct intel_stolen_node *node); u64 intel_parent_stolen_node_size(struct intel_display *display, const struct intel_stolen_node *node); struct intel_stolen_node *intel_parent_stolen_node_alloc(struct intel_display *display); void intel_parent_stolen_node_free(struct intel_display *display, const struct intel_stolen_node *node); /* vma */ int intel_parent_vma_fence_id(struct intel_display *display, const struct i915_vma *vma); /* generic */ bool intel_parent_has_auxccs(struct intel_display *display); bool intel_parent_has_fenced_regions(struct intel_display *display); bool intel_parent_vgpu_active(struct intel_display *display); void intel_parent_fence_priority_display(struct intel_display *display, struct dma_fence *fence); #endif /* __INTEL_PARENT_H__ */