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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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#ifndef __DISPLAY_PARENT_INTERFACE_H__#define __DISPLAY_PARENT_INTERFACE_H__
#include <linux/types.h>
enum vlv_iosf_sb_unit;struct dma_fence;struct drm_device;struct drm_file;struct drm_framebuffer;struct drm_gem_object;struct drm_mode_fb_cmd2;struct drm_plane_state;struct drm_scanout_buffer;struct fb_info;struct i915_gtt_view;struct i915_vma;struct intel_dpt;struct intel_dsb_buffer;struct intel_frontbuffer;struct intel_hdcp_gsc_context;struct intel_initial_plane_config;struct intel_panic;struct intel_stolen_node;struct iosys_map;struct ref_tracker;struct seq_file;struct vm_area_struct;
struct intel_fb_pin_params { const struct i915_gtt_view *view; unsigned int alignment; unsigned int phys_alignment; unsigned int vtd_guard; bool needs_cpu_lmem_access; bool needs_low_address; bool needs_physical; bool needs_fence;};
/* Keep struct definitions sorted */
struct intel_display_bo_interface { bool (*is_tiled)(struct drm_gem_object *obj); /* Optional */ bool (*is_userptr)(struct drm_gem_object *obj); /* Optional */ bool (*is_shmem)(struct drm_gem_object *obj); /* Optional */ bool (*is_protected)(struct drm_gem_object *obj); int (*key_check)(struct drm_gem_object *obj); int (*fb_mmap)(struct drm_gem_object *obj, struct vm_area_struct *vma); int (*read_from_page)(struct drm_gem_object *obj, u64 offset, void *dst, int size); void (*describe)(struct seq_file *m, struct drm_gem_object *obj); /* Optional */ int (*framebuffer_init)(struct drm_gem_object *obj, struct drm_mode_fb_cmd2 *mode_cmd); void (*framebuffer_fini)(struct drm_gem_object *obj); struct drm_gem_object *(*framebuffer_lookup)(struct drm_device *drm, struct drm_file *filp, const struct drm_mode_fb_cmd2 *user_mode_cmd);#if IS_ENABLED(CONFIG_DRM_FBDEV_EMULATION) struct drm_gem_object *(*fbdev_create)(struct drm_device *drm, int size); void (*fbdev_destroy)(struct drm_gem_object *obj); int (*fbdev_fill_info)(struct drm_gem_object *obj, struct fb_info *info, struct i915_vma *vma); u32 (*fbdev_pitch_align)(u32 stride);#endif};
struct intel_display_dpt_interface { struct intel_dpt *(*create)(struct drm_gem_object *obj, size_t size); void (*destroy)(struct intel_dpt *dpt); void (*suspend)(struct intel_dpt *dpt); void (*resume)(struct intel_dpt *dpt);};
struct intel_display_dsb_interface { u32 (*ggtt_offset)(struct intel_dsb_buffer *dsb_buf); void (*write)(struct intel_dsb_buffer *dsb_buf, u32 idx, u32 val); u32 (*read)(struct intel_dsb_buffer *dsb_buf, u32 idx); void (*fill)(struct intel_dsb_buffer *dsb_buf, u32 idx, u32 val, size_t size); struct intel_dsb_buffer *(*create)(struct drm_device *drm, size_t size); void (*cleanup)(struct intel_dsb_buffer *dsb_buf); void (*flush_map)(struct intel_dsb_buffer *dsb_buf);};
struct intel_display_fb_pin_interface { int (*ggtt_pin)(struct drm_gem_object *obj, const struct intel_fb_pin_params *pin_params, struct i915_vma **out_ggtt_vma, u32 *out_offset, int *out_fence_id); void (*ggtt_unpin)(struct i915_vma *ggtt_vma, int fence_id); int (*dpt_pin)(struct drm_gem_object *obj, struct intel_dpt *dpt, const struct intel_fb_pin_params *pin_params, struct i915_vma **out_dpt_vma, struct i915_vma **out_ggtt_vma, u32 *out_offset); void (*dpt_unpin)(struct intel_dpt *dpt, struct i915_vma *dpt_vma, struct i915_vma *ggtt_vma); struct i915_vma *(*reuse_vma)(struct i915_vma *old_ggtt_vma, struct drm_gem_object *old_obj, const struct i915_gtt_view *old_view, struct drm_gem_object *new_obj, const struct i915_gtt_view *new_view, u32 *out_offset); void (*get_map)(struct i915_vma *vma, struct iosys_map *map);};
struct intel_display_frontbuffer_interface { struct intel_frontbuffer *(*get)(struct drm_gem_object *obj); void (*ref)(struct intel_frontbuffer *front); void (*put)(struct intel_frontbuffer *front); void (*flush_for_display)(struct intel_frontbuffer *front);};
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 { 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_config);};
struct intel_display_irq_interface { bool (*enabled)(struct drm_device *drm); void (*synchronize)(struct drm_device *drm);};
struct intel_display_overlay_interface { bool (*is_active)(struct drm_device *drm);
int (*overlay_on)(struct drm_device *drm, u32 frontbuffer_bits); int (*overlay_continue)(struct drm_device *drm, struct i915_vma *vma, bool load_polyphase_filter); int (*overlay_off)(struct drm_device *drm); int (*recover_from_interrupt)(struct drm_device *drm); int (*release_old_vid)(struct drm_device *drm);
void (*reset)(struct drm_device *drm);
struct i915_vma *(*pin_fb)(struct drm_device *drm, struct drm_gem_object *obj, u32 *offset); void (*unpin_fb)(struct drm_device *drm, struct i915_vma *vma);
struct drm_gem_object *(*obj_lookup)(struct drm_device *drm, struct drm_file *filp, u32 handle);
void __iomem *(*setup)(struct drm_device *drm, bool needs_physical); void (*cleanup)(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_pcode_interface { int (*read)(struct drm_device *drm, u32 mbox, u32 *val, u32 *val1); int (*write)(struct drm_device *drm, u32 mbox, u32 val, int timeout_ms); int (*request)(struct drm_device *drm, u32 mbox, u32 request, u32 reply_mask, u32 reply, int timeout_base_ms);};
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_vlv_iosf_interface { void (*get)(struct drm_device *drm, unsigned long unit_mask); void (*put)(struct drm_device *drm, unsigned long unit_mask); u32 (*read)(struct drm_device *drm, enum vlv_iosf_sb_unit unit, u32 addr); int (*write)(struct drm_device *drm, enum vlv_iosf_sb_unit unit, u32 addr, u32 val);};
/** * 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 { /** @bo: BO interface */ const struct intel_display_bo_interface *bo;
/** @dpt: DPT interface. Optional. */ const struct intel_display_dpt_interface *dpt;
/** @dsb: DSB buffer interface */ const struct intel_display_dsb_interface *dsb;
/** @fb_pin: Framebuffer pin interface */ const struct intel_display_fb_pin_interface *fb_pin;
/** @frontbuffer: Frontbuffer interface */ const struct intel_display_frontbuffer_interface *frontbuffer;
/** @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;
/** @overlay: Overlay. Optional. */ const struct intel_display_overlay_interface *overlay;
/** @pc8: PC8 interface. Optional. */ const struct intel_display_pc8_interface *pc8;
/** @pcode: Pcode interface */ const struct intel_display_pcode_interface *pcode;
/** @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;
/** @vlv_iosf: VLV IOSF sideband. Optional. */ const struct intel_display_vlv_iosf_interface *vlv_iosf;
/* 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