drm/sun4i/sunxi_engine.h

1 /* SPDX-License-Identifier: GPL-2.0-or-later */
17  * struct sunxi_engine_ops - helper operations for sunXi engines
39 	 * This callback allows to validate plane-update related CRTC
48 	 * 0 on success or a negative error code.
75 	 * error pointer on failure.
83 	 * This callback will enable the color correction in the
93 	 * This callback will stop the color correction in the
103 	 * This callback is used to implement engine-specific
126  * struct sunxi_engine - the common parts of an engine for sun4i-drm driver
130  * @id:		the id of the engine (-1 if not used)
145  * sunxi_engine_commit() - commit all changes of the engine
151 	if (engine->ops && engine->ops->commit)  in sunxi_engine_commit()
152 		engine->ops->commit(engine);  in sunxi_engine_commit()
156  * sunxi_engine_layers_init() - Create planes (layers) for the engine
163 	if (engine->ops && engine->ops->layers_init)  in sunxi_engine_layers_init()
164 		return engine->ops->layers_init(drm, engine);  in sunxi_engine_layers_init()
165 	return ERR_PTR(-ENOSYS);  in sunxi_engine_layers_init()
169  * sunxi_engine_apply_color_correction - Apply the RGB2YUV color correction
174  * without the color correction, due to TV Encoder expects the engine to
180 	if (engine->ops && engine->ops->apply_color_correction)  in sunxi_engine_apply_color_correction()
181 		engine->ops->apply_color_correction(engine);  in sunxi_engine_apply_color_correction()
185  * sunxi_engine_disable_color_correction - Disable the color space correction
193 	if (engine->ops && engine->ops->disable_color_correction)  in sunxi_engine_disable_color_correction()
194 		engine->ops->disable_color_correction(engine);  in sunxi_engine_disable_color_correction()
198  * sunxi_engine_mode_set - Inform engine of a new mode
208 	if (engine->ops && engine->ops->mode_set)  in sunxi_engine_mode_set()
209 		engine->ops->mode_set(engine, mode);  in sunxi_engine_mode_set()