69  * enum zynqmp_dpsub_layer_mode - Layer mode
95  * struct zynqmp_disp_layer_dma - DMA channel for one data plane of a layer
107  * struct zynqmp_disp_layer_info - Static layer information
119  * struct zynqmp_disp_layer - Display layer
120  * @id: Layer ID
122  * @info: Static layer information
198 /* List of video layer formats */
303 /* List of graphics layer formats */
368 /* List of live video layer formats */
413 static bool zynqmp_disp_layer_is_video(const struct zynqmp_disp_layer *layer)  in zynqmp_disp_layer_is_video()  argument
415 	return layer->id == ZYNQMP_DPSUB_LAYER_VID;  in zynqmp_disp_layer_is_video()
419  * zynqmp_disp_avbuf_set_format - Set the input format for a layer
421  * @layer: The layer
424  * Set the video buffer manager format for @layer to @fmt.
427 					 struct zynqmp_disp_layer *layer,  in zynqmp_disp_avbuf_set_format()  argument
433 	layer->disp_fmt = fmt;  in zynqmp_disp_avbuf_set_format()
434 	if (layer->mode == ZYNQMP_DPSUB_LAYER_NONLIVE) {  in zynqmp_disp_avbuf_set_format()
437 		val &= zynqmp_disp_layer_is_video(layer)  in zynqmp_disp_avbuf_set_format()
443 		reg = zynqmp_disp_layer_is_video(layer)  in zynqmp_disp_avbuf_set_format()
451 		reg = zynqmp_disp_layer_is_video(layer)  in zynqmp_disp_avbuf_set_format()
565  * zynqmp_disp_avbuf_enable_video - Enable a video layer
567  * @layer: The layer
569  * Enable the video/graphics buffer for @layer.
572 					   struct zynqmp_disp_layer *layer)  in zynqmp_disp_avbuf_enable_video()  argument
577 	if (zynqmp_disp_layer_is_video(layer)) {  in zynqmp_disp_avbuf_enable_video()
579 		if (layer->mode == ZYNQMP_DPSUB_LAYER_NONLIVE)  in zynqmp_disp_avbuf_enable_video()
586 		if (layer->mode == ZYNQMP_DPSUB_LAYER_NONLIVE)  in zynqmp_disp_avbuf_enable_video()
595  * zynqmp_disp_avbuf_disable_video - Disable a video layer
597  * @layer: The layer
599  * Disable the video/graphics buffer for @layer.
602 					    struct zynqmp_disp_layer *layer)  in zynqmp_disp_avbuf_disable_video()  argument
607 	if (zynqmp_disp_layer_is_video(layer)) {  in zynqmp_disp_avbuf_disable_video()
767  * zynqmp_disp_blend_layer_set_csc - Configure colorspace conversion for layer
769  * @layer: The layer
773  * Configure the input colorspace conversion matrix and offsets for the @layer.
778 					    struct zynqmp_disp_layer *layer,  in zynqmp_disp_blend_layer_set_csc()  argument
786 	if (layer->disp_fmt->swap) {  in zynqmp_disp_blend_layer_set_csc()
787 		if (layer->drm_fmt->is_yuv) {  in zynqmp_disp_blend_layer_set_csc()
798 	if (zynqmp_disp_layer_is_video(layer))  in zynqmp_disp_blend_layer_set_csc()
809 	if (zynqmp_disp_layer_is_video(layer))  in zynqmp_disp_blend_layer_set_csc()
819  * zynqmp_disp_blend_layer_enable - Enable a layer
821  * @layer: The layer
824 					   struct zynqmp_disp_layer *layer)  in zynqmp_disp_blend_layer_enable()  argument
830 	val = (layer->drm_fmt->is_yuv ?  in zynqmp_disp_blend_layer_enable()
832 	      (layer->drm_fmt->hsub > 1 ?  in zynqmp_disp_blend_layer_enable()
836 				ZYNQMP_DISP_V_BLEND_LAYER_CONTROL(layer->id),  in zynqmp_disp_blend_layer_enable()
839 	if (layer->drm_fmt->is_yuv) {  in zynqmp_disp_blend_layer_enable()
847 	zynqmp_disp_blend_layer_set_csc(disp, layer, coeffs, offsets);  in zynqmp_disp_blend_layer_enable()
851  * zynqmp_disp_blend_layer_disable - Disable a layer
853  * @layer: The layer
856 					    struct zynqmp_disp_layer *layer)  in zynqmp_disp_blend_layer_disable()  argument
859 				ZYNQMP_DISP_V_BLEND_LAYER_CONTROL(layer->id),  in zynqmp_disp_blend_layer_disable()
862 	zynqmp_disp_blend_layer_set_csc(disp, layer, csc_zero_matrix,  in zynqmp_disp_blend_layer_disable()
867  * ZynqMP Display Layer & DRM Plane
872  * @layer: The layer
876  * format @drm_fmt for the @layer, and return a pointer to the format
882 zynqmp_disp_layer_find_format(struct zynqmp_disp_layer *layer,  in zynqmp_disp_layer_find_format()  argument
887 	for (i = 0; i < layer->info->num_formats; i++) {  in zynqmp_disp_layer_find_format()
888 		if (layer->info->formats[i].drm_fmt == drm_fmt)  in zynqmp_disp_layer_find_format()
889 			return &layer->info->formats[i];  in zynqmp_disp_layer_find_format()
898  * @layer: The layer
902  * bus format @media_bus_format for the @layer, and return a pointer to the
908 zynqmp_disp_layer_find_live_format(struct zynqmp_disp_layer *layer,  in zynqmp_disp_layer_find_live_format()  argument
913 	for (i = 0; i < layer->info->num_formats; i++)  in zynqmp_disp_layer_find_live_format()
914 		if (layer->info->formats[i].bus_fmt == media_bus_format)  in zynqmp_disp_layer_find_live_format()
915 			return &layer->info->formats[i];  in zynqmp_disp_layer_find_live_format()
921  * zynqmp_disp_layer_drm_formats - Return the DRM formats supported by the layer
922  * @layer: The layer
928  * video input layer.
931  * supported by the layer. The number of formats in the array is returned
934 u32 *zynqmp_disp_layer_drm_formats(struct zynqmp_disp_layer *layer,  in zynqmp_disp_layer_drm_formats()  argument
940 	if (WARN_ON(layer->mode != ZYNQMP_DPSUB_LAYER_NONLIVE)) {  in zynqmp_disp_layer_drm_formats()
945 	formats = kcalloc(layer->info->num_formats, sizeof(*formats),  in zynqmp_disp_layer_drm_formats()
952 	for (i = 0; i < layer->info->num_formats; ++i)  in zynqmp_disp_layer_drm_formats()
953 		formats[i] = layer->info->formats[i].drm_fmt;  in zynqmp_disp_layer_drm_formats()
955 	*num_formats = layer->info->num_formats;  in zynqmp_disp_layer_drm_formats()
961  * the live video layer
962  * @layer: The layer
968  * layer. The number of formats in the array is returned through the
971 u32 *zynqmp_disp_live_layer_formats(struct zynqmp_disp_layer *layer,  in zynqmp_disp_live_layer_formats()  argument
977 	if (WARN_ON(layer->mode != ZYNQMP_DPSUB_LAYER_LIVE)) {  in zynqmp_disp_live_layer_formats()
982 	formats = kcalloc(layer->info->num_formats, sizeof(*formats),  in zynqmp_disp_live_layer_formats()
989 	for (i = 0; i < layer->info->num_formats; ++i)  in zynqmp_disp_live_layer_formats()
990 		formats[i] = layer->info->formats[i].bus_fmt;  in zynqmp_disp_live_layer_formats()
992 	*num_formats = layer->info->num_formats;  in zynqmp_disp_live_layer_formats()
997  * zynqmp_disp_layer_enable - Enable a layer
998  * @layer: The layer
1000  * Enable the @layer in the audio/video buffer manager and the blender. DMA
1003 void zynqmp_disp_layer_enable(struct zynqmp_disp_layer *layer)  in zynqmp_disp_layer_enable()  argument
1005 	zynqmp_disp_avbuf_enable_video(layer->disp, layer);  in zynqmp_disp_layer_enable()
1006 	zynqmp_disp_blend_layer_enable(layer->disp, layer);  in zynqmp_disp_layer_enable()
1010  * zynqmp_disp_layer_disable - Disable the layer
1011  * @layer: The layer
1013  * Disable the layer by stopping its DMA channels and disabling it in the
1016 void zynqmp_disp_layer_disable(struct zynqmp_disp_layer *layer)  in zynqmp_disp_layer_disable()  argument
1020 	if (layer->mode == ZYNQMP_DPSUB_LAYER_NONLIVE) {  in zynqmp_disp_layer_disable()
1021 		for (i = 0; i < layer->drm_fmt->num_planes; i++)  in zynqmp_disp_layer_disable()
1022 			dmaengine_terminate_sync(layer->dmas[i].chan);  in zynqmp_disp_layer_disable()
1025 	zynqmp_disp_avbuf_disable_video(layer->disp, layer);  in zynqmp_disp_layer_disable()
1026 	zynqmp_disp_blend_layer_disable(layer->disp, layer);  in zynqmp_disp_layer_disable()
1030  * zynqmp_disp_layer_set_format - Set the layer format
1031  * @layer: The layer
1037  * Set the format for @layer to @info. The layer must be disabled.
1039 void zynqmp_disp_layer_set_format(struct zynqmp_disp_layer *layer,  in zynqmp_disp_layer_set_format()  argument
1044 	if (WARN_ON(layer->mode != ZYNQMP_DPSUB_LAYER_NONLIVE))  in zynqmp_disp_layer_set_format()
1047 	layer->disp_fmt = zynqmp_disp_layer_find_format(layer, info->format);  in zynqmp_disp_layer_set_format()
1048 	if (WARN_ON(!layer->disp_fmt))  in zynqmp_disp_layer_set_format()
1050 	layer->drm_fmt = info;  in zynqmp_disp_layer_set_format()
1052 	zynqmp_disp_avbuf_set_format(layer->disp, layer, layer->disp_fmt);  in zynqmp_disp_layer_set_format()
1059 		struct zynqmp_disp_layer_dma *dma = &layer->dmas[i];  in zynqmp_disp_layer_set_format()
1074  * zynqmp_disp_layer_set_live_format - Set the live video layer format
1075  * @layer: The layer
1079  * layer. Use zynqmp_disp_layer_set_format() instead.
1081  * Set the display format for the live @layer. The layer must be disabled.
1083 void zynqmp_disp_layer_set_live_format(struct zynqmp_disp_layer *layer,  in zynqmp_disp_layer_set_live_format()  argument
1086 	if (WARN_ON(layer->mode != ZYNQMP_DPSUB_LAYER_LIVE))  in zynqmp_disp_layer_set_live_format()
1089 	layer->disp_fmt = zynqmp_disp_layer_find_live_format(layer,  in zynqmp_disp_layer_set_live_format()
1091 	if (WARN_ON(!layer->disp_fmt))  in zynqmp_disp_layer_set_live_format()
1094 	zynqmp_disp_avbuf_set_format(layer->disp, layer, layer->disp_fmt);  in zynqmp_disp_layer_set_live_format()
1096 	layer->drm_fmt = drm_format_info(layer->disp_fmt->drm_fmt);  in zynqmp_disp_layer_set_live_format()
1100  * zynqmp_disp_layer_update - Update the layer framebuffer
1101  * @layer: The layer
1104  * Update the framebuffer for the layer by issuing a new DMA engine transaction
1109 int zynqmp_disp_layer_update(struct zynqmp_disp_layer *layer,  in zynqmp_disp_layer_update()  argument
1112 	const struct drm_format_info *info = layer->drm_fmt;  in zynqmp_disp_layer_update()
1115 	if (layer->mode == ZYNQMP_DPSUB_LAYER_LIVE)  in zynqmp_disp_layer_update()
1121 		struct zynqmp_disp_layer_dma *dma = &layer->dmas[i];  in zynqmp_disp_layer_update()
1141 			dev_err(layer->disp->dev,  in zynqmp_disp_layer_update()
1154  * zynqmp_disp_layer_release_dma - Release DMA channels for a layer
1156  * @layer: The layer
1158  * Release the DMA channels associated with @layer.
1161 					  struct zynqmp_disp_layer *layer)  in zynqmp_disp_layer_release_dma()  argument
1165 	if (!layer->info)  in zynqmp_disp_layer_release_dma()
1168 	for (i = 0; i < layer->info->num_channels; i++) {  in zynqmp_disp_layer_release_dma()
1169 		struct zynqmp_disp_layer_dma *dma = &layer->dmas[i];  in zynqmp_disp_layer_release_dma()
1193  * zynqmp_disp_layer_request_dma - Request DMA channels for a layer
1195  * @layer: The layer
1197  * Request all DMA engine channels needed by @layer.
1202 					 struct zynqmp_disp_layer *layer)  in zynqmp_disp_layer_request_dma()  argument
1208 	for (i = 0; i < layer->info->num_channels; i++) {  in zynqmp_disp_layer_request_dma()
1209 		struct zynqmp_disp_layer_dma *dma = &layer->dmas[i];  in zynqmp_disp_layer_request_dma()
1213 			 "%s%u", dma_names[layer->id], i);  in zynqmp_disp_layer_request_dma()
1256 		struct zynqmp_disp_layer *layer = &disp->layers[i];  in zynqmp_disp_create_layers()  local
1258 		layer->id = i;  in zynqmp_disp_create_layers()
1259 		layer->disp = disp;  in zynqmp_disp_create_layers()
1265 			layer->mode = ZYNQMP_DPSUB_LAYER_NONLIVE;  in zynqmp_disp_create_layers()
1266 			layer->info = &layer_info[i];  in zynqmp_disp_create_layers()
1268 			layer->mode = ZYNQMP_DPSUB_LAYER_LIVE;  in zynqmp_disp_create_layers()
1269 			layer->info = &live_layer_info;  in zynqmp_disp_create_layers()
1272 		ret = zynqmp_disp_layer_request_dma(disp, layer);  in zynqmp_disp_create_layers()
1276 		disp->dpsub->layers[i] = layer;  in zynqmp_disp_create_layers()
1387 		struct zynqmp_disp_layer *layer;  in zynqmp_disp_probe()  local
1389 		layer = &disp->layers[ZYNQMP_DPSUB_LAYER_VID];  in zynqmp_disp_probe()
1390 		dpsub->dma_align = 1 << layer->dmas[0].chan->device->copy_align;  in zynqmp_disp_probe()