82  * struct zynqmp_disp_layer_dma - DMA channel for one data plane of a layer
94  * struct zynqmp_disp_layer_info - Static layer information
106  * struct zynqmp_disp_layer - Display layer
107  * @id: Layer ID
109  * @info: Static layer information
187 /* List of video layer formats */
292 /* List of graphics layer formats */
367 static bool zynqmp_disp_layer_is_video(const struct zynqmp_disp_layer *layer)  in zynqmp_disp_layer_is_video()  argument
369 	return layer->id == ZYNQMP_DPSUB_LAYER_VID;  in zynqmp_disp_layer_is_video()
373  * zynqmp_disp_avbuf_set_format - Set the input format for a layer
375  * @layer: The layer
378  * Set the video buffer manager format for @layer to @fmt.
381 					 struct zynqmp_disp_layer *layer,  in zynqmp_disp_avbuf_set_format()  argument
388 	val &= zynqmp_disp_layer_is_video(layer)  in zynqmp_disp_avbuf_set_format()
395 		unsigned int reg = zynqmp_disp_layer_is_video(layer)  in zynqmp_disp_avbuf_set_format()
509  * zynqmp_disp_avbuf_enable_video - Enable a video layer
511  * @layer: The layer
513  * Enable the video/graphics buffer for @layer.
516 					   struct zynqmp_disp_layer *layer)  in zynqmp_disp_avbuf_enable_video()  argument
521 	if (zynqmp_disp_layer_is_video(layer)) {  in zynqmp_disp_avbuf_enable_video()
523 		if (layer->mode == ZYNQMP_DPSUB_LAYER_NONLIVE)  in zynqmp_disp_avbuf_enable_video()
530 		if (layer->mode == ZYNQMP_DPSUB_LAYER_NONLIVE)  in zynqmp_disp_avbuf_enable_video()
539  * zynqmp_disp_avbuf_disable_video - Disable a video layer
541  * @layer: The layer
543  * Disable the video/graphics buffer for @layer.
546 					    struct zynqmp_disp_layer *layer)  in zynqmp_disp_avbuf_disable_video()  argument
551 	if (zynqmp_disp_layer_is_video(layer)) {  in zynqmp_disp_avbuf_disable_video()
711  * zynqmp_disp_blend_layer_set_csc - Configure colorspace conversion for layer
713  * @layer: The layer
717  * Configure the input colorspace conversion matrix and offsets for the @layer.
722 					    struct zynqmp_disp_layer *layer,  in zynqmp_disp_blend_layer_set_csc()  argument
730 	if (layer->disp_fmt->swap) {  in zynqmp_disp_blend_layer_set_csc()
731 		if (layer->drm_fmt->is_yuv) {  in zynqmp_disp_blend_layer_set_csc()
742 	if (zynqmp_disp_layer_is_video(layer))  in zynqmp_disp_blend_layer_set_csc()
753 	if (zynqmp_disp_layer_is_video(layer))  in zynqmp_disp_blend_layer_set_csc()
763  * zynqmp_disp_blend_layer_enable - Enable a layer
765  * @layer: The layer
768 					   struct zynqmp_disp_layer *layer)  in zynqmp_disp_blend_layer_enable()  argument
774 	val = (layer->drm_fmt->is_yuv ?  in zynqmp_disp_blend_layer_enable()
776 	      (layer->drm_fmt->hsub > 1 ?  in zynqmp_disp_blend_layer_enable()
780 				ZYNQMP_DISP_V_BLEND_LAYER_CONTROL(layer->id),  in zynqmp_disp_blend_layer_enable()
783 	if (layer->drm_fmt->is_yuv) {  in zynqmp_disp_blend_layer_enable()
791 	zynqmp_disp_blend_layer_set_csc(disp, layer, coeffs, offsets);  in zynqmp_disp_blend_layer_enable()
795  * zynqmp_disp_blend_layer_disable - Disable a layer
797  * @layer: The layer
800 					    struct zynqmp_disp_layer *layer)  in zynqmp_disp_blend_layer_disable()  argument
803 				ZYNQMP_DISP_V_BLEND_LAYER_CONTROL(layer->id),  in zynqmp_disp_blend_layer_disable()
806 	zynqmp_disp_blend_layer_set_csc(disp, layer, csc_zero_matrix,  in zynqmp_disp_blend_layer_disable()
847  * ZynqMP Display Layer & DRM Plane
852  * @layer: The layer
856  * format @drm_fmt for the @layer, and return a pointer to the format
862 zynqmp_disp_layer_find_format(struct zynqmp_disp_layer *layer,  in zynqmp_disp_layer_find_format()  argument
867 	for (i = 0; i < layer->info->num_formats; i++) {  in zynqmp_disp_layer_find_format()
868 		if (layer->info->formats[i].drm_fmt == drm_fmt)  in zynqmp_disp_layer_find_format()
869 			return &layer->info->formats[i];  in zynqmp_disp_layer_find_format()
876  * zynqmp_disp_layer_drm_formats - Return the DRM formats supported by the layer
877  * @layer: The layer
881  * supported by the layer. The number of formats in the array is returned
884 u32 *zynqmp_disp_layer_drm_formats(struct zynqmp_disp_layer *layer,  in zynqmp_disp_layer_drm_formats()  argument
890 	formats = kcalloc(layer->info->num_formats, sizeof(*formats),  in zynqmp_disp_layer_drm_formats()
895 	for (i = 0; i < layer->info->num_formats; ++i)  in zynqmp_disp_layer_drm_formats()
896 		formats[i] = layer->info->formats[i].drm_fmt;  in zynqmp_disp_layer_drm_formats()
898 	*num_formats = layer->info->num_formats;  in zynqmp_disp_layer_drm_formats()
903  * zynqmp_disp_layer_enable - Enable a layer
904  * @layer: The layer
905  * @mode: Operating mode of layer
907  * Enable the @layer in the audio/video buffer manager and the blender. DMA
910 void zynqmp_disp_layer_enable(struct zynqmp_disp_layer *layer,  in zynqmp_disp_layer_enable()  argument
913 	layer->mode = mode;  in zynqmp_disp_layer_enable()
914 	zynqmp_disp_avbuf_enable_video(layer->disp, layer);  in zynqmp_disp_layer_enable()
915 	zynqmp_disp_blend_layer_enable(layer->disp, layer);  in zynqmp_disp_layer_enable()
919  * zynqmp_disp_layer_disable - Disable the layer
920  * @layer: The layer
922  * Disable the layer by stopping its DMA channels and disabling it in the
925 void zynqmp_disp_layer_disable(struct zynqmp_disp_layer *layer)  in zynqmp_disp_layer_disable()  argument
929 	if (layer->disp->dpsub->dma_enabled) {  in zynqmp_disp_layer_disable()
930 		for (i = 0; i < layer->drm_fmt->num_planes; i++)  in zynqmp_disp_layer_disable()
931 			dmaengine_terminate_sync(layer->dmas[i].chan);  in zynqmp_disp_layer_disable()
934 	zynqmp_disp_avbuf_disable_video(layer->disp, layer);  in zynqmp_disp_layer_disable()
935 	zynqmp_disp_blend_layer_disable(layer->disp, layer);  in zynqmp_disp_layer_disable()
939  * zynqmp_disp_layer_set_format - Set the layer format
940  * @layer: The layer
943  * Set the format for @layer to @info. The layer must be disabled.
945 void zynqmp_disp_layer_set_format(struct zynqmp_disp_layer *layer,  in zynqmp_disp_layer_set_format()  argument
950 	layer->disp_fmt = zynqmp_disp_layer_find_format(layer, info->format);  in zynqmp_disp_layer_set_format()
951 	layer->drm_fmt = info;  in zynqmp_disp_layer_set_format()
953 	zynqmp_disp_avbuf_set_format(layer->disp, layer, layer->disp_fmt);  in zynqmp_disp_layer_set_format()
955 	if (!layer->disp->dpsub->dma_enabled)  in zynqmp_disp_layer_set_format()
963 		struct zynqmp_disp_layer_dma *dma = &layer->dmas[i];  in zynqmp_disp_layer_set_format()
978  * zynqmp_disp_layer_update - Update the layer framebuffer
979  * @layer: The layer
982  * Update the framebuffer for the layer by issuing a new DMA engine transaction
987 int zynqmp_disp_layer_update(struct zynqmp_disp_layer *layer,  in zynqmp_disp_layer_update()  argument
990 	const struct drm_format_info *info = layer->drm_fmt;  in zynqmp_disp_layer_update()
993 	if (!layer->disp->dpsub->dma_enabled)  in zynqmp_disp_layer_update()
999 		struct zynqmp_disp_layer_dma *dma = &layer->dmas[i];  in zynqmp_disp_layer_update()
1019 			dev_err(layer->disp->dev,  in zynqmp_disp_layer_update()
1032  * zynqmp_disp_layer_release_dma - Release DMA channels for a layer
1034  * @layer: The layer
1036  * Release the DMA channels associated with @layer.
1039 					  struct zynqmp_disp_layer *layer)  in zynqmp_disp_layer_release_dma()  argument
1043 	if (!layer->info || !disp->dpsub->dma_enabled)  in zynqmp_disp_layer_release_dma()
1046 	for (i = 0; i < layer->info->num_channels; i++) {  in zynqmp_disp_layer_release_dma()
1047 		struct zynqmp_disp_layer_dma *dma = &layer->dmas[i];  in zynqmp_disp_layer_release_dma()
1071  * zynqmp_disp_layer_request_dma - Request DMA channels for a layer
1073  * @layer: The layer
1075  * Request all DMA engine channels needed by @layer.
1080 					 struct zynqmp_disp_layer *layer)  in zynqmp_disp_layer_request_dma()  argument
1089 	for (i = 0; i < layer->info->num_channels; i++) {  in zynqmp_disp_layer_request_dma()
1090 		struct zynqmp_disp_layer_dma *dma = &layer->dmas[i];  in zynqmp_disp_layer_request_dma()
1094 			 "%s%u", dma_names[layer->id], i);  in zynqmp_disp_layer_request_dma()
1132 		struct zynqmp_disp_layer *layer = &disp->layers[i];  in zynqmp_disp_create_layers()  local
1134 		layer->id = i;  in zynqmp_disp_create_layers()
1135 		layer->disp = disp;  in zynqmp_disp_create_layers()
1136 		layer->info = &layer_info[i];  in zynqmp_disp_create_layers()
1138 		ret = zynqmp_disp_layer_request_dma(disp, layer);  in zynqmp_disp_create_layers()
1142 		disp->dpsub->layers[i] = layer;  in zynqmp_disp_create_layers()
1263 		struct zynqmp_disp_layer *layer;  in zynqmp_disp_probe()  local
1265 		layer = &disp->layers[ZYNQMP_DPSUB_LAYER_VID];  in zynqmp_disp_probe()
1266 		dpsub->dma_align = 1 << layer->dmas[0].chan->device->copy_align;  in zynqmp_disp_probe()