95  * enum zynqmp_disp_layer_id - Layer identifier
96  * @ZYNQMP_DISP_LAYER_VID: Video layer
97  * @ZYNQMP_DISP_LAYER_GFX: Graphics layer
105  * enum zynqmp_disp_layer_mode - Layer mode
115  * struct zynqmp_disp_layer_dma - DMA channel for one data plane of a layer
127  * struct zynqmp_disp_layer_info - Static layer information
139  * struct zynqmp_disp_layer - Display layer (DRM plane)
141  * @id: Layer ID
143  * @info: Static layer information
239 /* List of video layer formats */
344 /* List of graphics layer formats */
419 static bool zynqmp_disp_layer_is_gfx(const struct zynqmp_disp_layer *layer)  in zynqmp_disp_layer_is_gfx()  argument
421 	return layer->id == ZYNQMP_DISP_LAYER_GFX;  in zynqmp_disp_layer_is_gfx()
424 static bool zynqmp_disp_layer_is_video(const struct zynqmp_disp_layer *layer)  in zynqmp_disp_layer_is_video()  argument
426 	return layer->id == ZYNQMP_DISP_LAYER_VID;  in zynqmp_disp_layer_is_video()
430  * zynqmp_disp_avbuf_set_format - Set the input format for a layer
432  * @layer: The layer
435  * Set the video buffer manager format for @layer to @fmt.
438 					 struct zynqmp_disp_layer *layer,  in zynqmp_disp_avbuf_set_format()  argument
445 	val &= zynqmp_disp_layer_is_video(layer)  in zynqmp_disp_avbuf_set_format()
452 		unsigned int reg = zynqmp_disp_layer_is_video(layer)  in zynqmp_disp_avbuf_set_format()
566  * zynqmp_disp_avbuf_enable_video - Enable a video layer
568  * @layer: The layer
569  * @mode: Operating mode of layer
571  * Enable the video/graphics buffer for @layer.
574 					   struct zynqmp_disp_layer *layer,  in zynqmp_disp_avbuf_enable_video()  argument
580 	if (zynqmp_disp_layer_is_video(layer)) {  in zynqmp_disp_avbuf_enable_video()
598  * zynqmp_disp_avbuf_disable_video - Disable a video layer
600  * @layer: The layer
602  * Disable the video/graphics buffer for @layer.
605 					    struct zynqmp_disp_layer *layer)  in zynqmp_disp_avbuf_disable_video()  argument
610 	if (zynqmp_disp_layer_is_video(layer)) {  in zynqmp_disp_avbuf_disable_video()
770  * zynqmp_disp_blend_layer_set_csc - Configure colorspace conversion for layer
772  * @layer: The layer
776  * Configure the input colorspace conversion matrix and offsets for the @layer.
781 					    struct zynqmp_disp_layer *layer,  in zynqmp_disp_blend_layer_set_csc()  argument
789 	if (layer->disp_fmt->swap) {  in zynqmp_disp_blend_layer_set_csc()
790 		if (layer->drm_fmt->is_yuv) {  in zynqmp_disp_blend_layer_set_csc()
801 	if (zynqmp_disp_layer_is_video(layer))  in zynqmp_disp_blend_layer_set_csc()
812 	if (zynqmp_disp_layer_is_video(layer))  in zynqmp_disp_blend_layer_set_csc()
822  * zynqmp_disp_blend_layer_enable - Enable a layer
824  * @layer: The layer
827 					   struct zynqmp_disp_layer *layer)  in zynqmp_disp_blend_layer_enable()  argument
833 	val = (layer->drm_fmt->is_yuv ?  in zynqmp_disp_blend_layer_enable()
835 	      (layer->drm_fmt->hsub > 1 ?  in zynqmp_disp_blend_layer_enable()
839 				ZYNQMP_DISP_V_BLEND_LAYER_CONTROL(layer->id),  in zynqmp_disp_blend_layer_enable()
842 	if (layer->drm_fmt->is_yuv) {  in zynqmp_disp_blend_layer_enable()
850 	zynqmp_disp_blend_layer_set_csc(disp, layer, coeffs, offsets);  in zynqmp_disp_blend_layer_enable()
854  * zynqmp_disp_blend_layer_disable - Disable a layer
856  * @layer: The layer
859 					    struct zynqmp_disp_layer *layer)  in zynqmp_disp_blend_layer_disable()  argument
862 				ZYNQMP_DISP_V_BLEND_LAYER_CONTROL(layer->id),  in zynqmp_disp_blend_layer_disable()
865 	zynqmp_disp_blend_layer_set_csc(disp, layer, csc_zero_matrix,  in zynqmp_disp_blend_layer_disable()
980  * ZynqMP Display Layer & DRM Plane
985  * @layer: The layer
989  * format @drm_fmt for the @layer, and return a pointer to the format
995 zynqmp_disp_layer_find_format(struct zynqmp_disp_layer *layer,  in zynqmp_disp_layer_find_format()  argument
1000 	for (i = 0; i < layer->info->num_formats; i++) {  in zynqmp_disp_layer_find_format()
1001 		if (layer->info->formats[i].drm_fmt == drm_fmt)  in zynqmp_disp_layer_find_format()
1002 			return &layer->info->formats[i];  in zynqmp_disp_layer_find_format()
1009  * zynqmp_disp_layer_enable - Enable a layer
1010  * @layer: The layer
1012  * Enable the @layer in the audio/video buffer manager and the blender. DMA
1015 static void zynqmp_disp_layer_enable(struct zynqmp_disp_layer *layer)  in zynqmp_disp_layer_enable()  argument
1017 	zynqmp_disp_avbuf_enable_video(layer->disp, layer,  in zynqmp_disp_layer_enable()
1019 	zynqmp_disp_blend_layer_enable(layer->disp, layer);  in zynqmp_disp_layer_enable()
1021 	layer->mode = ZYNQMP_DISP_LAYER_NONLIVE;  in zynqmp_disp_layer_enable()
1025  * zynqmp_disp_layer_disable - Disable the layer
1026  * @layer: The layer
1028  * Disable the layer by stopping its DMA channels and disabling it in the
1031 static void zynqmp_disp_layer_disable(struct zynqmp_disp_layer *layer)  in zynqmp_disp_layer_disable()  argument
1035 	for (i = 0; i < layer->drm_fmt->num_planes; i++)  in zynqmp_disp_layer_disable()
1036 		dmaengine_terminate_sync(layer->dmas[i].chan);  in zynqmp_disp_layer_disable()
1038 	zynqmp_disp_avbuf_disable_video(layer->disp, layer);  in zynqmp_disp_layer_disable()
1039 	zynqmp_disp_blend_layer_disable(layer->disp, layer);  in zynqmp_disp_layer_disable()
1043  * zynqmp_disp_layer_set_format - Set the layer format
1044  * @layer: The layer
1047  * Set the format for @layer based on @state->fb->format. The layer must be
1050 static void zynqmp_disp_layer_set_format(struct zynqmp_disp_layer *layer,  in zynqmp_disp_layer_set_format()  argument
1056 	layer->disp_fmt = zynqmp_disp_layer_find_format(layer, info->format);  in zynqmp_disp_layer_set_format()
1057 	layer->drm_fmt = info;  in zynqmp_disp_layer_set_format()
1059 	zynqmp_disp_avbuf_set_format(layer->disp, layer, layer->disp_fmt);  in zynqmp_disp_layer_set_format()
1066 		struct zynqmp_disp_layer_dma *dma = &layer->dmas[i];  in zynqmp_disp_layer_set_format()
1081  * zynqmp_disp_layer_update - Update the layer framebuffer
1082  * @layer: The layer
1085  * Update the framebuffer for the layer by issuing a new DMA engine transaction
1090 static int zynqmp_disp_layer_update(struct zynqmp_disp_layer *layer,  in zynqmp_disp_layer_update()  argument
1093 	const struct drm_format_info *info = layer->drm_fmt;  in zynqmp_disp_layer_update()
1096 	for (i = 0; i < layer->drm_fmt->num_planes; i++) {  in zynqmp_disp_layer_update()
1099 		struct zynqmp_disp_layer_dma *dma = &layer->dmas[i];  in zynqmp_disp_layer_update()
1119 			dev_err(layer->disp->dev,  in zynqmp_disp_layer_update()
1164 	struct zynqmp_disp_layer *layer = plane_to_layer(plane);  in zynqmp_disp_plane_atomic_disable()  local
1169 	zynqmp_disp_layer_disable(layer);  in zynqmp_disp_plane_atomic_disable()
1171 	if (zynqmp_disp_layer_is_gfx(layer))  in zynqmp_disp_plane_atomic_disable()
1172 		zynqmp_disp_blend_set_global_alpha(layer->disp, false,  in zynqmp_disp_plane_atomic_disable()
1182 	struct zynqmp_disp_layer *layer = plane_to_layer(plane);  in zynqmp_disp_plane_atomic_update()  local
1196 			zynqmp_disp_layer_disable(layer);  in zynqmp_disp_plane_atomic_update()
1198 		zynqmp_disp_layer_set_format(layer, new_state);  in zynqmp_disp_plane_atomic_update()
1201 	zynqmp_disp_layer_update(layer, new_state);  in zynqmp_disp_plane_atomic_update()
1203 	if (zynqmp_disp_layer_is_gfx(layer))  in zynqmp_disp_plane_atomic_update()
1204 		zynqmp_disp_blend_set_global_alpha(layer->disp, true,  in zynqmp_disp_plane_atomic_update()
1209 		zynqmp_disp_layer_enable(layer);  in zynqmp_disp_plane_atomic_update()
1233 		struct zynqmp_disp_layer *layer = &disp->layers[i];  in zynqmp_disp_create_planes()  local
1238 					   layer->info->num_formats,  in zynqmp_disp_create_planes()
1243 		for (j = 0; j < layer->info->num_formats; ++j)  in zynqmp_disp_create_planes()
1244 			drm_formats[j] = layer->info->formats[j].drm_fmt;  in zynqmp_disp_create_planes()
1246 		/* Graphics layer is primary, and video layer is overlay. */  in zynqmp_disp_create_planes()
1247 		type = zynqmp_disp_layer_is_video(layer)  in zynqmp_disp_create_planes()
1249 		ret = drm_universal_plane_init(disp->drm, &layer->plane, 0,  in zynqmp_disp_create_planes()
1252 					       layer->info->num_formats,  in zynqmp_disp_create_planes()
1257 		drm_plane_helper_add(&layer->plane,  in zynqmp_disp_create_planes()
1260 		drm_plane_create_zpos_immutable_property(&layer->plane, i);  in zynqmp_disp_create_planes()
1261 		if (zynqmp_disp_layer_is_gfx(layer))  in zynqmp_disp_create_planes()
1262 			drm_plane_create_alpha_property(&layer->plane);  in zynqmp_disp_create_planes()
1269  * zynqmp_disp_layer_release_dma - Release DMA channels for a layer
1271  * @layer: The layer
1273  * Release the DMA channels associated with @layer.
1276 					  struct zynqmp_disp_layer *layer)  in zynqmp_disp_layer_release_dma()  argument
1280 	if (!layer->info)  in zynqmp_disp_layer_release_dma()
1283 	for (i = 0; i < layer->info->num_channels; i++) {  in zynqmp_disp_layer_release_dma()
1284 		struct zynqmp_disp_layer_dma *dma = &layer->dmas[i];  in zynqmp_disp_layer_release_dma()
1308  * zynqmp_disp_layer_request_dma - Request DMA channels for a layer
1310  * @layer: The layer
1312  * Request all DMA engine channels needed by @layer.
1317 					 struct zynqmp_disp_layer *layer)  in zynqmp_disp_layer_request_dma()  argument
1323 	for (i = 0; i < layer->info->num_channels; i++) {  in zynqmp_disp_layer_request_dma()
1324 		struct zynqmp_disp_layer_dma *dma = &layer->dmas[i];  in zynqmp_disp_layer_request_dma()
1328 			 "%s%u", dma_names[layer->id], i);  in zynqmp_disp_layer_request_dma()
1366 		struct zynqmp_disp_layer *layer = &disp->layers[i];  in zynqmp_disp_create_layers()  local
1368 		layer->id = i;  in zynqmp_disp_create_layers()
1369 		layer->disp = disp;  in zynqmp_disp_create_layers()
1370 		layer->info = &layer_info[i];  in zynqmp_disp_create_layers()
1372 		ret = zynqmp_disp_layer_request_dma(disp, layer);  in zynqmp_disp_create_layers()
1634 	struct zynqmp_disp_layer *layer;  in zynqmp_disp_probe()  local
1686 	layer = &disp->layers[ZYNQMP_DISP_LAYER_VID];  in zynqmp_disp_probe()
1687 	dpsub->dma_align = 1 << layer->dmas[0].chan->device->copy_align;  in zynqmp_disp_probe()