94  * enum zynqmp_disp_layer_id - Layer identifier
95  * @ZYNQMP_DISP_LAYER_VID: Video layer
96  * @ZYNQMP_DISP_LAYER_GFX: Graphics layer
104  * enum zynqmp_disp_layer_mode - Layer mode
114  * struct zynqmp_disp_layer_dma - DMA channel for one data plane of a layer
126  * struct zynqmp_disp_layer_info - Static layer information
138  * struct zynqmp_disp_layer - Display layer (DRM plane)
140  * @id: Layer ID
142  * @info: Static layer information
238 /* List of video layer formats */
343 /* List of graphics layer formats */
418 static bool zynqmp_disp_layer_is_gfx(const struct zynqmp_disp_layer *layer)  in zynqmp_disp_layer_is_gfx()  argument
420 	return layer->id == ZYNQMP_DISP_LAYER_GFX;  in zynqmp_disp_layer_is_gfx()
423 static bool zynqmp_disp_layer_is_video(const struct zynqmp_disp_layer *layer)  in zynqmp_disp_layer_is_video()  argument
425 	return layer->id == ZYNQMP_DISP_LAYER_VID;  in zynqmp_disp_layer_is_video()
429  * zynqmp_disp_avbuf_set_format - Set the input format for a layer
431  * @layer: The layer
434  * Set the video buffer manager format for @layer to @fmt.
437 					 struct zynqmp_disp_layer *layer,  in zynqmp_disp_avbuf_set_format()  argument
444 	val &= zynqmp_disp_layer_is_video(layer)  in zynqmp_disp_avbuf_set_format()
451 		unsigned int 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
568  * @mode: Operating mode of layer
570  * Enable the video/graphics buffer for @layer.
573 					   struct zynqmp_disp_layer *layer,  in zynqmp_disp_avbuf_enable_video()  argument
579 	if (zynqmp_disp_layer_is_video(layer)) {  in zynqmp_disp_avbuf_enable_video()
597  * zynqmp_disp_avbuf_disable_video - Disable a video layer
599  * @layer: The layer
601  * Disable the video/graphics buffer for @layer.
604 					    struct zynqmp_disp_layer *layer)  in zynqmp_disp_avbuf_disable_video()  argument
609 	if (zynqmp_disp_layer_is_video(layer)) {  in zynqmp_disp_avbuf_disable_video()
769  * zynqmp_disp_blend_layer_set_csc - Configure colorspace conversion for layer
771  * @layer: The layer
775  * Configure the input colorspace conversion matrix and offsets for the @layer.
780 					    struct zynqmp_disp_layer *layer,  in zynqmp_disp_blend_layer_set_csc()  argument
788 	if (layer->disp_fmt->swap) {  in zynqmp_disp_blend_layer_set_csc()
789 		if (layer->drm_fmt->is_yuv) {  in zynqmp_disp_blend_layer_set_csc()
800 	if (zynqmp_disp_layer_is_video(layer))  in zynqmp_disp_blend_layer_set_csc()
811 	if (zynqmp_disp_layer_is_video(layer))  in zynqmp_disp_blend_layer_set_csc()
821  * zynqmp_disp_blend_layer_enable - Enable a layer
823  * @layer: The layer
826 					   struct zynqmp_disp_layer *layer)  in zynqmp_disp_blend_layer_enable()  argument
832 	val = (layer->drm_fmt->is_yuv ?  in zynqmp_disp_blend_layer_enable()
834 	      (layer->drm_fmt->hsub > 1 ?  in zynqmp_disp_blend_layer_enable()
838 				ZYNQMP_DISP_V_BLEND_LAYER_CONTROL(layer->id),  in zynqmp_disp_blend_layer_enable()
841 	if (layer->drm_fmt->is_yuv) {  in zynqmp_disp_blend_layer_enable()
849 	zynqmp_disp_blend_layer_set_csc(disp, layer, coeffs, offsets);  in zynqmp_disp_blend_layer_enable()
853  * zynqmp_disp_blend_layer_disable - Disable a layer
855  * @layer: The layer
858 					    struct zynqmp_disp_layer *layer)  in zynqmp_disp_blend_layer_disable()  argument
861 				ZYNQMP_DISP_V_BLEND_LAYER_CONTROL(layer->id),  in zynqmp_disp_blend_layer_disable()
864 	zynqmp_disp_blend_layer_set_csc(disp, layer, csc_zero_matrix,  in zynqmp_disp_blend_layer_disable()
979  * ZynqMP Display Layer & DRM Plane
984  * @layer: The layer
988  * format @drm_fmt for the @layer, and return a pointer to the format
994 zynqmp_disp_layer_find_format(struct zynqmp_disp_layer *layer,  in zynqmp_disp_layer_find_format()  argument
999 	for (i = 0; i < layer->info->num_formats; i++) {  in zynqmp_disp_layer_find_format()
1000 		if (layer->info->formats[i].drm_fmt == drm_fmt)  in zynqmp_disp_layer_find_format()
1001 			return &layer->info->formats[i];  in zynqmp_disp_layer_find_format()
1008  * zynqmp_disp_layer_enable - Enable a layer
1009  * @layer: The layer
1011  * Enable the @layer in the audio/video buffer manager and the blender. DMA
1014 static void zynqmp_disp_layer_enable(struct zynqmp_disp_layer *layer)  in zynqmp_disp_layer_enable()  argument
1016 	zynqmp_disp_avbuf_enable_video(layer->disp, layer,  in zynqmp_disp_layer_enable()
1018 	zynqmp_disp_blend_layer_enable(layer->disp, layer);  in zynqmp_disp_layer_enable()
1020 	layer->mode = ZYNQMP_DISP_LAYER_NONLIVE;  in zynqmp_disp_layer_enable()
1024  * zynqmp_disp_layer_disable - Disable the layer
1025  * @layer: The layer
1027  * Disable the layer by stopping its DMA channels and disabling it in the
1030 static void zynqmp_disp_layer_disable(struct zynqmp_disp_layer *layer)  in zynqmp_disp_layer_disable()  argument
1034 	for (i = 0; i < layer->drm_fmt->num_planes; i++)  in zynqmp_disp_layer_disable()
1035 		dmaengine_terminate_sync(layer->dmas[i].chan);  in zynqmp_disp_layer_disable()
1037 	zynqmp_disp_avbuf_disable_video(layer->disp, layer);  in zynqmp_disp_layer_disable()
1038 	zynqmp_disp_blend_layer_disable(layer->disp, layer);  in zynqmp_disp_layer_disable()
1042  * zynqmp_disp_layer_set_format - Set the layer format
1043  * @layer: The layer
1046  * Set the format for @layer based on @state->fb->format. The layer must be
1049 static void zynqmp_disp_layer_set_format(struct zynqmp_disp_layer *layer,  in zynqmp_disp_layer_set_format()  argument
1055 	layer->disp_fmt = zynqmp_disp_layer_find_format(layer, info->format);  in zynqmp_disp_layer_set_format()
1056 	layer->drm_fmt = info;  in zynqmp_disp_layer_set_format()
1058 	zynqmp_disp_avbuf_set_format(layer->disp, layer, layer->disp_fmt);  in zynqmp_disp_layer_set_format()
1065 		struct zynqmp_disp_layer_dma *dma = &layer->dmas[i];  in zynqmp_disp_layer_set_format()
1076  * zynqmp_disp_layer_update - Update the layer framebuffer
1077  * @layer: The layer
1080  * Update the framebuffer for the layer by issuing a new DMA engine transaction
1085 static int zynqmp_disp_layer_update(struct zynqmp_disp_layer *layer,  in zynqmp_disp_layer_update()  argument
1088 	const struct drm_format_info *info = layer->drm_fmt;  in zynqmp_disp_layer_update()
1091 	for (i = 0; i < layer->drm_fmt->num_planes; i++) {  in zynqmp_disp_layer_update()
1094 		struct zynqmp_disp_layer_dma *dma = &layer->dmas[i];  in zynqmp_disp_layer_update()
1114 			dev_err(layer->disp->dev,  in zynqmp_disp_layer_update()
1159 	struct zynqmp_disp_layer *layer = plane_to_layer(plane);  in zynqmp_disp_plane_atomic_disable()  local
1164 	zynqmp_disp_layer_disable(layer);  in zynqmp_disp_plane_atomic_disable()
1166 	if (zynqmp_disp_layer_is_gfx(layer))  in zynqmp_disp_plane_atomic_disable()
1167 		zynqmp_disp_blend_set_global_alpha(layer->disp, false,  in zynqmp_disp_plane_atomic_disable()
1177 	struct zynqmp_disp_layer *layer = plane_to_layer(plane);  in zynqmp_disp_plane_atomic_update()  local
1191 			zynqmp_disp_layer_disable(layer);  in zynqmp_disp_plane_atomic_update()
1193 		zynqmp_disp_layer_set_format(layer, new_state);  in zynqmp_disp_plane_atomic_update()
1196 	zynqmp_disp_layer_update(layer, new_state);  in zynqmp_disp_plane_atomic_update()
1198 	if (zynqmp_disp_layer_is_gfx(layer))  in zynqmp_disp_plane_atomic_update()
1199 		zynqmp_disp_blend_set_global_alpha(layer->disp, true,  in zynqmp_disp_plane_atomic_update()
1204 		zynqmp_disp_layer_enable(layer);  in zynqmp_disp_plane_atomic_update()
1228 		struct zynqmp_disp_layer *layer = &disp->layers[i];  in zynqmp_disp_create_planes()  local
1233 					   layer->info->num_formats,  in zynqmp_disp_create_planes()
1238 		for (j = 0; j < layer->info->num_formats; ++j)  in zynqmp_disp_create_planes()
1239 			drm_formats[j] = layer->info->formats[j].drm_fmt;  in zynqmp_disp_create_planes()
1241 		/* Graphics layer is primary, and video layer is overlay. */  in zynqmp_disp_create_planes()
1242 		type = zynqmp_disp_layer_is_video(layer)  in zynqmp_disp_create_planes()
1244 		ret = drm_universal_plane_init(disp->drm, &layer->plane, 0,  in zynqmp_disp_create_planes()
1247 					       layer->info->num_formats,  in zynqmp_disp_create_planes()
1252 		drm_plane_helper_add(&layer->plane,  in zynqmp_disp_create_planes()
1255 		drm_plane_create_zpos_immutable_property(&layer->plane, i);  in zynqmp_disp_create_planes()
1256 		if (zynqmp_disp_layer_is_gfx(layer))  in zynqmp_disp_create_planes()
1257 			drm_plane_create_alpha_property(&layer->plane);  in zynqmp_disp_create_planes()
1264  * zynqmp_disp_layer_release_dma - Release DMA channels for a layer
1266  * @layer: The layer
1268  * Release the DMA channels associated with @layer.
1271 					  struct zynqmp_disp_layer *layer)  in zynqmp_disp_layer_release_dma()  argument
1275 	if (!layer->info)  in zynqmp_disp_layer_release_dma()
1278 	for (i = 0; i < layer->info->num_channels; i++) {  in zynqmp_disp_layer_release_dma()
1279 		struct zynqmp_disp_layer_dma *dma = &layer->dmas[i];  in zynqmp_disp_layer_release_dma()
1303  * zynqmp_disp_layer_request_dma - Request DMA channels for a layer
1305  * @layer: The layer
1307  * Request all DMA engine channels needed by @layer.
1312 					 struct zynqmp_disp_layer *layer)  in zynqmp_disp_layer_request_dma()  argument
1318 	for (i = 0; i < layer->info->num_channels; i++) {  in zynqmp_disp_layer_request_dma()
1319 		struct zynqmp_disp_layer_dma *dma = &layer->dmas[i];  in zynqmp_disp_layer_request_dma()
1323 			 "%s%u", dma_names[layer->id], i);  in zynqmp_disp_layer_request_dma()
1361 		struct zynqmp_disp_layer *layer = &disp->layers[i];  in zynqmp_disp_create_layers()  local
1363 		layer->id = i;  in zynqmp_disp_create_layers()
1364 		layer->disp = disp;  in zynqmp_disp_create_layers()
1365 		layer->info = &layer_info[i];  in zynqmp_disp_create_layers()
1367 		ret = zynqmp_disp_layer_request_dma(disp, layer);  in zynqmp_disp_create_layers()
1629 	struct zynqmp_disp_layer *layer;  in zynqmp_disp_probe()  local
1681 	layer = &disp->layers[ZYNQMP_DISP_LAYER_VID];  in zynqmp_disp_probe()
1682 	dpsub->dma_align = 1 << layer->dmas[0].chan->device->copy_align;  in zynqmp_disp_probe()