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#include
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#include
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#include
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#include
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#include
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enum mode_set_atomic {
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	LEAVE_ATOMIC_MODE_SET,
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	ENTER_ATOMIC_MODE_SET,
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};
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/**
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 * struct drm_crtc_helper_funcs - helper operations for CRTCs
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 * @dpms: set power state
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 * @prepare: prepare the CRTC, called before @mode_set
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 * @commit: commit changes to CRTC, called after @mode_set
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 * @mode_fixup: try to fixup proposed mode for this CRTC
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 * @mode_set: set this mode
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 * @mode_set_nofb: set mode only (no scanout buffer attached)
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 * @mode_set_base: update the scanout buffer
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 * @mode_set_base_atomic: non-blocking mode set (used for kgdb support)
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 * @load_lut: load color palette
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 * @disable: disable CRTC when no longer in use
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 * @enable: enable CRTC
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 * @atomic_check: check for validity of an atomic state
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 * @atomic_begin: begin atomic update
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 * @atomic_flush: flush atomic update
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 *
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 * The helper operations are called by the mid-layer CRTC helper.
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 *
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 * Note that with atomic helpers @dpms, @prepare and @commit hooks are
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 * deprecated. Used @enable and @disable instead exclusively.
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 *
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 * With legacy crtc helpers there's a big semantic difference between @disable
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 * and the other hooks: @disable also needs to release any resources acquired in
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 * @mode_set (like shared PLLs).
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 */
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struct drm_crtc_helper_funcs {
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	/*
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	 * Control power levels on the CRTC.  If the mode passed in is
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	 * unsupported, the provider must use the next lowest power level.
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	 */
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	void (*dpms)(struct drm_crtc *crtc, int mode);
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	void (*prepare)(struct drm_crtc *crtc);
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	void (*commit)(struct drm_crtc *crtc);
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	/* Provider can fixup or change mode timings before modeset occurs */
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	bool (*mode_fixup)(struct drm_crtc *crtc,
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			   const struct drm_display_mode *mode,
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			   struct drm_display_mode *adjusted_mode);
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	/* Actually set the mode */
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	int (*mode_set)(struct drm_crtc *crtc, struct drm_display_mode *mode,
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			struct drm_display_mode *adjusted_mode, int x, int y,
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			struct drm_framebuffer *old_fb);
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	/* Actually set the mode for atomic helpers, optional */
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	void (*mode_set_nofb)(struct drm_crtc *crtc);
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	/* Move the crtc on the current fb to the given position *optional* */
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	int (*mode_set_base)(struct drm_crtc *crtc, int x, int y,
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			     struct drm_framebuffer *old_fb);
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	int (*mode_set_base_atomic)(struct drm_crtc *crtc,
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				    struct drm_framebuffer *fb, int x, int y,
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				    enum mode_set_atomic);
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	/* reload the current crtc LUT */
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	void (*load_lut)(struct drm_crtc *crtc);
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	void (*disable)(struct drm_crtc *crtc);
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	void (*enable)(struct drm_crtc *crtc);
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	/* atomic helpers */
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	int (*atomic_check)(struct drm_crtc *crtc,
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			    struct drm_crtc_state *state);
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	void (*atomic_begin)(struct drm_crtc *crtc,
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			     struct drm_crtc_state *old_crtc_state);
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	void (*atomic_flush)(struct drm_crtc *crtc,
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			     struct drm_crtc_state *old_crtc_state);
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};
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/**
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 * struct drm_encoder_helper_funcs - helper operations for encoders
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 * @dpms: set power state
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 * @save: save connector state
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 * @restore: restore connector state
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 * @mode_fixup: try to fixup proposed mode for this connector
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 * @prepare: part of the disable sequence, called before the CRTC modeset
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 * @commit: called after the CRTC modeset
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 * @mode_set: set this mode, optional for atomic helpers
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 * @get_crtc: return CRTC that the encoder is currently attached to
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 * @detect: connection status detection
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 * @disable: disable encoder when not in use (overrides DPMS off)
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 * @enable: enable encoder
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 * @atomic_check: check for validity of an atomic update
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 *
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 * The helper operations are called by the mid-layer CRTC helper.
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 *
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 * Note that with atomic helpers @dpms, @prepare and @commit hooks are
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 * deprecated. Used @enable and @disable instead exclusively.
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 *
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 * With legacy crtc helpers there's a big semantic difference between @disable
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 * and the other hooks: @disable also needs to release any resources acquired in
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 * @mode_set (like shared PLLs).
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 */
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struct drm_encoder_helper_funcs {
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	void (*dpms)(struct drm_encoder *encoder, int mode);
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	void (*save)(struct drm_encoder *encoder);
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	void (*restore)(struct drm_encoder *encoder);
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	bool (*mode_fixup)(struct drm_encoder *encoder,
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			   const struct drm_display_mode *mode,
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			   struct drm_display_mode *adjusted_mode);
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	void (*prepare)(struct drm_encoder *encoder);
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	void (*commit)(struct drm_encoder *encoder);
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	void (*mode_set)(struct drm_encoder *encoder,
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			 struct drm_display_mode *mode,
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			 struct drm_display_mode *adjusted_mode);
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	struct drm_crtc *(*get_crtc)(struct drm_encoder *encoder);
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	/* detect for DAC style encoders */
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	enum drm_connector_status (*detect)(struct drm_encoder *encoder,
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					    struct drm_connector *connector);
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	void (*disable)(struct drm_encoder *encoder);
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	void (*enable)(struct drm_encoder *encoder);
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	/* atomic helpers */
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	int (*atomic_check)(struct drm_encoder *encoder,
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			    struct drm_crtc_state *crtc_state,
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			    struct drm_connector_state *conn_state);
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};
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/**
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 * struct drm_connector_helper_funcs - helper operations for connectors
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 * @get_modes: get mode list for this connector
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 * @mode_valid: is this mode valid on the given connector? (optional)
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 * @best_encoder: return the preferred encoder for this connector
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 * @atomic_best_encoder: atomic version of @best_encoder
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 *
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 * The helper operations are called by the mid-layer CRTC helper.
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 */
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struct drm_connector_helper_funcs {
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	int (*get_modes)(struct drm_connector *connector);
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	enum drm_mode_status (*mode_valid)(struct drm_connector *connector,
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					   struct drm_display_mode *mode);
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	struct drm_encoder *(*best_encoder)(struct drm_connector *connector);
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	struct drm_encoder *(*atomic_best_encoder)(struct drm_connector *connector,
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						   struct drm_connector_state *connector_state);
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#include
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};
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#include
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extern void drm_helper_disable_unused_functions(struct drm_device *dev);
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extern void drm_helper_disable_unused_functions(struct drm_device *dev);
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extern int drm_helper_connector_dpms(struct drm_connector *connector, int mode);
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extern int drm_helper_connector_dpms(struct drm_connector *connector, int mode);
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extern void drm_helper_move_panel_connectors_to_head(struct drm_device *);
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extern void drm_helper_move_panel_connectors_to_head(struct drm_device *);
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extern void drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb,
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					   struct drm_mode_fb_cmd2 *mode_cmd);
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static inline void drm_crtc_helper_add(struct drm_crtc *crtc,
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				       const struct drm_crtc_helper_funcs *funcs)
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{
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	crtc->helper_private = funcs;
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}
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static inline void drm_encoder_helper_add(struct drm_encoder *encoder,
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					  const struct drm_encoder_helper_funcs *funcs)
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{
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	encoder->helper_private = funcs;
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}
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static inline void drm_connector_helper_add(struct drm_connector *connector,
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					    const struct drm_connector_helper_funcs *funcs)
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{
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	connector->helper_private = funcs;
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extern void drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb,
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}
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					   const struct drm_mode_fb_cmd2 *mode_cmd);
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/* drm_probe_helper.c */
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/* drm_probe_helper.c */
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extern int drm_helper_probe_single_connector_modes(struct drm_connector
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extern int drm_helper_probe_single_connector_modes(struct drm_connector
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						   *connector, uint32_t maxX,
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						   *connector, uint32_t maxX,
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						   uint32_t maxY);
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extern int drm_helper_probe_single_connector_modes_nomerge(struct drm_connector
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							   *connector,
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							   uint32_t maxX,
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							   uint32_t maxY);
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						   uint32_t maxY);
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extern void drm_kms_helper_poll_init(struct drm_device *dev);
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extern void drm_kms_helper_poll_init(struct drm_device *dev);
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extern void drm_kms_helper_poll_fini(struct drm_device *dev);
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extern void drm_kms_helper_poll_fini(struct drm_device *dev);
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extern bool drm_helper_hpd_irq_event(struct drm_device *dev);
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extern bool drm_helper_hpd_irq_event(struct drm_device *dev);