1 /* SPDX-License-Identifier: MIT */ 2 /* Copyright © 2025 Intel Corporation */ 3 4 #ifndef __INTEL_PARENT_H__ 5 #define __INTEL_PARENT_H__ 6 7 #include <linux/types.h> 8 9 struct dma_fence; 10 struct drm_file; 11 struct drm_gem_object; 12 struct drm_scanout_buffer; 13 struct i915_vma; 14 struct intel_display; 15 struct intel_dpt; 16 struct intel_frontbuffer; 17 struct intel_hdcp_gsc_context; 18 struct intel_panic; 19 struct intel_stolen_node; 20 21 /* dpt */ 22 struct intel_dpt *intel_parent_dpt_create(struct intel_display *display, 23 struct drm_gem_object *obj, size_t size); 24 void intel_parent_dpt_destroy(struct intel_display *display, struct intel_dpt *dpt); 25 void intel_parent_dpt_suspend(struct intel_display *display, struct intel_dpt *dpt); 26 void intel_parent_dpt_resume(struct intel_display *display, struct intel_dpt *dpt); 27 28 /* frontbuffer */ 29 struct intel_frontbuffer *intel_parent_frontbuffer_get(struct intel_display *display, struct drm_gem_object *obj); 30 void intel_parent_frontbuffer_ref(struct intel_display *display, struct intel_frontbuffer *front); 31 void intel_parent_frontbuffer_put(struct intel_display *display, struct intel_frontbuffer *front); 32 void intel_parent_frontbuffer_flush_for_display(struct intel_display *display, struct intel_frontbuffer *front); 33 34 /* hdcp */ 35 ssize_t intel_parent_hdcp_gsc_msg_send(struct intel_display *display, 36 struct intel_hdcp_gsc_context *gsc_context, 37 void *msg_in, size_t msg_in_len, 38 void *msg_out, size_t msg_out_len); 39 bool intel_parent_hdcp_gsc_check_status(struct intel_display *display); 40 struct intel_hdcp_gsc_context *intel_parent_hdcp_gsc_context_alloc(struct intel_display *display); 41 void intel_parent_hdcp_gsc_context_free(struct intel_display *display, 42 struct intel_hdcp_gsc_context *gsc_context); 43 44 /* irq */ 45 bool intel_parent_irq_enabled(struct intel_display *display); 46 void intel_parent_irq_synchronize(struct intel_display *display); 47 48 /* overlay */ 49 bool intel_parent_overlay_is_active(struct intel_display *display); 50 int intel_parent_overlay_on(struct intel_display *display, 51 u32 frontbuffer_bits); 52 int intel_parent_overlay_continue(struct intel_display *display, 53 struct i915_vma *vma, 54 bool load_polyphase_filter); 55 int intel_parent_overlay_off(struct intel_display *display); 56 int intel_parent_overlay_recover_from_interrupt(struct intel_display *display); 57 int intel_parent_overlay_release_old_vid(struct intel_display *display); 58 void intel_parent_overlay_reset(struct intel_display *display); 59 struct i915_vma *intel_parent_overlay_pin_fb(struct intel_display *display, 60 struct drm_gem_object *obj, 61 u32 *offset); 62 void intel_parent_overlay_unpin_fb(struct intel_display *display, 63 struct i915_vma *vma); 64 struct drm_gem_object *intel_parent_overlay_obj_lookup(struct intel_display *display, 65 struct drm_file *filp, 66 u32 handle); 67 void __iomem *intel_parent_overlay_setup(struct intel_display *display, 68 bool needs_physical); 69 void intel_parent_overlay_cleanup(struct intel_display *display); 70 71 /* panic */ 72 struct intel_panic *intel_parent_panic_alloc(struct intel_display *display); 73 int intel_parent_panic_setup(struct intel_display *display, struct intel_panic *panic, struct drm_scanout_buffer *sb); 74 void intel_parent_panic_finish(struct intel_display *display, struct intel_panic *panic); 75 76 /* pc8 */ 77 void intel_parent_pc8_block(struct intel_display *display); 78 void intel_parent_pc8_unblock(struct intel_display *display); 79 80 /* pcode */ 81 int intel_parent_pcode_read(struct intel_display *display, u32 mbox, u32 *val, u32 *val1); 82 int intel_parent_pcode_write_timeout(struct intel_display *display, u32 mbox, u32 val, int timeout_ms); 83 int intel_parent_pcode_write(struct intel_display *display, u32 mbox, u32 val); 84 int intel_parent_pcode_request(struct intel_display *display, u32 mbox, u32 request, 85 u32 reply_mask, u32 reply, int timeout_base_ms); 86 87 /* rps */ 88 bool intel_parent_rps_available(struct intel_display *display); 89 void intel_parent_rps_boost_if_not_started(struct intel_display *display, struct dma_fence *fence); 90 void intel_parent_rps_mark_interactive(struct intel_display *display, bool interactive); 91 void intel_parent_rps_ilk_irq_handler(struct intel_display *display); 92 93 /* stolen */ 94 int intel_parent_stolen_insert_node_in_range(struct intel_display *display, 95 struct intel_stolen_node *node, u64 size, 96 unsigned int align, u64 start, u64 end); 97 int intel_parent_stolen_insert_node(struct intel_display *display, struct intel_stolen_node *node, u64 size, 98 unsigned int align); 99 void intel_parent_stolen_remove_node(struct intel_display *display, 100 struct intel_stolen_node *node); 101 bool intel_parent_stolen_initialized(struct intel_display *display); 102 bool intel_parent_stolen_node_allocated(struct intel_display *display, 103 const struct intel_stolen_node *node); 104 u32 intel_parent_stolen_node_offset(struct intel_display *display, struct intel_stolen_node *node); 105 u64 intel_parent_stolen_area_address(struct intel_display *display); 106 u64 intel_parent_stolen_area_size(struct intel_display *display); 107 u64 intel_parent_stolen_node_address(struct intel_display *display, struct intel_stolen_node *node); 108 u64 intel_parent_stolen_node_size(struct intel_display *display, const struct intel_stolen_node *node); 109 struct intel_stolen_node *intel_parent_stolen_node_alloc(struct intel_display *display); 110 void intel_parent_stolen_node_free(struct intel_display *display, const struct intel_stolen_node *node); 111 112 /* vma */ 113 int intel_parent_vma_fence_id(struct intel_display *display, const struct i915_vma *vma); 114 115 /* generic */ 116 bool intel_parent_has_auxccs(struct intel_display *display); 117 bool intel_parent_has_fenced_regions(struct intel_display *display); 118 bool intel_parent_vgpu_active(struct intel_display *display); 119 void intel_parent_fence_priority_display(struct intel_display *display, struct dma_fence *fence); 120 121 #endif /* __INTEL_PARENT_H__ */ 122