27 	 * This callback allows to prepare our engine for an atomic
34 	void (*atomic_begin)(struct sunxi_engine *engine,
51 	int (*atomic_check)(struct sunxi_engine *engine,
63 	void (*commit)(struct sunxi_engine *engine,
71 	 * the layers supported by that engine.
81 					  struct sunxi_engine *engine);
87 	 * engine. This is useful only for the composite output.
91 	void (*apply_color_correction)(struct sunxi_engine *engine);
97 	 * engine. This is useful only for the composite output.
101 	void (*disable_color_correction)(struct sunxi_engine *engine);
106 	 * This callback is used to implement engine-specific
114 	void (*vblank_quirk)(struct sunxi_engine *engine);
124 	void (*mode_set)(struct sunxi_engine *engine,
129  * struct sunxi_engine - the common parts of an engine for sun4i-drm driver
130  * @ops:	the operations of the engine
131  * @node:	the of device node of the engine
132  * @regs:	the regmap of the engine
133  * @id:		the id of the engine (-1 if not used)
143 	/* Engine list management */
148  * sunxi_engine_commit() - commit all changes of the engine
149  * @engine:	pointer to the engine
150  * @crtc:	pointer to crtc the engine is associated with
154 sunxi_engine_commit(struct sunxi_engine *engine,  in sunxi_engine_commit()  argument
158 	if (engine->ops && engine->ops->commit)  in sunxi_engine_commit()
159 		engine->ops->commit(engine, crtc, state);  in sunxi_engine_commit()
163  * sunxi_engine_layers_init() - Create planes (layers) for the engine
165  * @engine:	pointer to the engine
168 sunxi_engine_layers_init(struct drm_device *drm, struct sunxi_engine *engine)  in sunxi_engine_layers_init()  argument
170 	if (engine->ops && engine->ops->layers_init)  in sunxi_engine_layers_init()
171 		return engine->ops->layers_init(drm, engine);  in sunxi_engine_layers_init()
177  * @engine:	pointer to the engine
179  * This functionality is optional for an engine, however, if the engine is
181  * without the color correction, due to TV Encoder expects the engine to
185 sunxi_engine_apply_color_correction(struct sunxi_engine *engine)  in sunxi_engine_apply_color_correction()  argument
187 	if (engine->ops && engine->ops->apply_color_correction)  in sunxi_engine_apply_color_correction()
188 		engine->ops->apply_color_correction(engine);  in sunxi_engine_apply_color_correction()
193  * @engine:	pointer to the engine
198 sunxi_engine_disable_color_correction(struct sunxi_engine *engine)  in sunxi_engine_disable_color_correction()  argument
200 	if (engine->ops && engine->ops->disable_color_correction)  in sunxi_engine_disable_color_correction()
201 		engine->ops->disable_color_correction(engine);  in sunxi_engine_disable_color_correction()
205  * sunxi_engine_mode_set - Inform engine of a new mode
206  * @engine:	pointer to the engine
209  * Engine can use this functionality to set specifics once per mode change.
212 sunxi_engine_mode_set(struct sunxi_engine *engine,  in sunxi_engine_mode_set()  argument
215 	if (engine->ops && engine->ops->mode_set)  in sunxi_engine_mode_set()
216 		engine->ops->mode_set(engine, mode);  in sunxi_engine_mode_set()