1 // SPDX-License-Identifier: GPL-2.0-only
13 #include <linux/dma-mapping.h>
49 	if (info->num_planes != 1)  in mtk_drm_mode_fb_create()
50 		return ERR_PTR(-EINVAL);  in mtk_drm_mode_fb_create()
207 	struct mtk_drm_private *private = drm->dev_private;  in mtk_drm_kms_init()
214 		return -EPROBE_DEFER;  in mtk_drm_kms_init()
216 	pdev = of_find_device_by_node(private->mutex_node);  in mtk_drm_kms_init()
218 		dev_err(drm->dev, "Waiting for disp-mutex device %pOF\n",  in mtk_drm_kms_init()
219 			private->mutex_node);  in mtk_drm_kms_init()
220 		of_node_put(private->mutex_node);  in mtk_drm_kms_init()
221 		return -EPROBE_DEFER;  in mtk_drm_kms_init()
223 	private->mutex_dev = &pdev->dev;  in mtk_drm_kms_init()
229 	drm->mode_config.min_width = 64;  in mtk_drm_kms_init()
230 	drm->mode_config.min_height = 64;  in mtk_drm_kms_init()
237 	drm->mode_config.max_width = 4096;  in mtk_drm_kms_init()
238 	drm->mode_config.max_height = 4096;  in mtk_drm_kms_init()
239 	drm->mode_config.funcs = &mtk_drm_mode_config_funcs;  in mtk_drm_kms_init()
240 	drm->mode_config.helper_private = &mtk_drm_mode_config_helpers;  in mtk_drm_kms_init()
242 	ret = component_bind_all(drm->dev, drm);  in mtk_drm_kms_init()
249 	 * OVL0 -> COLOR0 -> AAL -> OD -> RDMA0 -> UFOE -> DSI0 ...  in mtk_drm_kms_init()
251 	ret = mtk_drm_crtc_create(drm, private->data->main_path,  in mtk_drm_kms_init()
252 				  private->data->main_len);  in mtk_drm_kms_init()
255 	/* ... and OVL1 -> COLOR1 -> GAMMA -> RDMA1 -> DPI0. */  in mtk_drm_kms_init()
256 	ret = mtk_drm_crtc_create(drm, private->data->ext_path,  in mtk_drm_kms_init()
257 				  private->data->ext_len);  in mtk_drm_kms_init()
261 	ret = mtk_drm_crtc_create(drm, private->data->third_path,  in mtk_drm_kms_init()
262 				  private->data->third_len);  in mtk_drm_kms_init()
267 	np = private->comp_node[private->data->main_path[0]] ?:  in mtk_drm_kms_init()
268 	     private->comp_node[private->data->ext_path[0]];  in mtk_drm_kms_init()
271 		ret = -ENODEV;  in mtk_drm_kms_init()
272 		dev_err(drm->dev, "Need at least one OVL device\n");  in mtk_drm_kms_init()
276 	dma_dev = &pdev->dev;  in mtk_drm_kms_init()
277 	private->dma_dev = dma_dev;  in mtk_drm_kms_init()
299 	component_unbind_all(drm->dev, drm);  in mtk_drm_kms_init()
301 	put_device(private->mutex_dev);  in mtk_drm_kms_init()
310 	component_unbind_all(drm->dev, drm);  in mtk_drm_kms_deinit()
317  * not dev->dev, as drm_gem_prime_import() expects.
322 	struct mtk_drm_private *private = dev->dev_private;  in mtk_drm_gem_prime_import()
324 	return drm_gem_prime_import_dev(dev, dma_buf, private->dma_dev);  in mtk_drm_gem_prime_import()
348 	return dev->of_node == data;  in compare_of()
361 	drm->dev_private = private;  in mtk_drm_bind()
362 	private->drm = drm;  in mtk_drm_bind()
387 	drm_dev_unregister(private->drm);  in mtk_drm_unbind()
388 	mtk_drm_kms_deinit(private->drm);  in mtk_drm_unbind()
389 	drm_dev_put(private->drm);  in mtk_drm_unbind()
390 	private->num_pipes = 0;  in mtk_drm_unbind()
391 	private->drm = NULL;  in mtk_drm_unbind()
400 	{ .compatible = "mediatek,mt2701-disp-ovl",
402 	{ .compatible = "mediatek,mt8167-disp-ovl",
404 	{ .compatible = "mediatek,mt8173-disp-ovl",
406 	{ .compatible = "mediatek,mt8183-disp-ovl",
408 	{ .compatible = "mediatek,mt8183-disp-ovl-2l",
410 	{ .compatible = "mediatek,mt2701-disp-rdma",
412 	{ .compatible = "mediatek,mt8167-disp-rdma",
414 	{ .compatible = "mediatek,mt8173-disp-rdma",
416 	{ .compatible = "mediatek,mt8183-disp-rdma",
418 	{ .compatible = "mediatek,mt8173-disp-wdma",
420 	{ .compatible = "mediatek,mt8167-disp-ccorr",
422 	{ .compatible = "mediatek,mt8183-disp-ccorr",
424 	{ .compatible = "mediatek,mt2701-disp-color",
426 	{ .compatible = "mediatek,mt8167-disp-color",
428 	{ .compatible = "mediatek,mt8173-disp-color",
430 	{ .compatible = "mediatek,mt8167-disp-aal",
432 	{ .compatible = "mediatek,mt8173-disp-aal",
434 	{ .compatible = "mediatek,mt8183-disp-aal",
436 	{ .compatible = "mediatek,mt8167-disp-gamma",
438 	{ .compatible = "mediatek,mt8173-disp-gamma",
440 	{ .compatible = "mediatek,mt8183-disp-gamma",
442 	{ .compatible = "mediatek,mt8167-disp-dither",
444 	{ .compatible = "mediatek,mt8183-disp-dither",
446 	{ .compatible = "mediatek,mt8173-disp-ufoe",
448 	{ .compatible = "mediatek,mt2701-dsi",
450 	{ .compatible = "mediatek,mt8167-dsi",
452 	{ .compatible = "mediatek,mt8173-dsi",
454 	{ .compatible = "mediatek,mt8183-dsi",
456 	{ .compatible = "mediatek,mt2701-dpi",
458 	{ .compatible = "mediatek,mt8173-dpi",
460 	{ .compatible = "mediatek,mt8183-dpi",
462 	{ .compatible = "mediatek,mt2701-disp-mutex",
464 	{ .compatible = "mediatek,mt2712-disp-mutex",
466 	{ .compatible = "mediatek,mt8167-disp-mutex",
468 	{ .compatible = "mediatek,mt8173-disp-mutex",
470 	{ .compatible = "mediatek,mt8183-disp-mutex",
472 	{ .compatible = "mediatek,mt2701-disp-pwm",
474 	{ .compatible = "mediatek,mt8167-disp-pwm",
476 	{ .compatible = "mediatek,mt8173-disp-pwm",
478 	{ .compatible = "mediatek,mt8173-disp-od",
484 	{ .compatible = "mediatek,mt2701-mmsys",
486 	{ .compatible = "mediatek,mt7623-mmsys",
488 	{ .compatible = "mediatek,mt2712-mmsys",
490 	{ .compatible = "mediatek,mt8167-mmsys",
492 	{ .compatible = "mediatek,mt8173-mmsys",
494 	{ .compatible = "mediatek,mt8183-mmsys",
502 	struct device *dev = &pdev->dev;  in mtk_drm_probe()
503 	struct device_node *phandle = dev->parent->of_node;  in mtk_drm_probe()
513 		return -ENOMEM;  in mtk_drm_probe()
515 	private->mmsys_dev = dev->parent;  in mtk_drm_probe()
516 	if (!private->mmsys_dev) {  in mtk_drm_probe()
518 		return -ENODEV;  in mtk_drm_probe()
523 		return -ENODEV;  in mtk_drm_probe()
525 	private->data = of_id->data;  in mtk_drm_probe()
527 	/* Iterate over sibling DISP function blocks */  in mtk_drm_probe()
528 	for_each_child_of_node(phandle->parent, node) {  in mtk_drm_probe()
543 		comp_type = (enum mtk_ddp_comp_type)of_id->data;  in mtk_drm_probe()
546 			private->mutex_node = of_node_get(node);  in mtk_drm_probe()
557 		private->comp_node[comp_id] = of_node_get(node);  in mtk_drm_probe()
579 		ret = mtk_ddp_comp_init(node, &private->ddp_comp[comp_id], comp_id);  in mtk_drm_probe()
586 	if (!private->mutex_node) {  in mtk_drm_probe()
587 		dev_err(dev, "Failed to find disp-mutex node\n");  in mtk_drm_probe()
588 		ret = -ENODEV;  in mtk_drm_probe()
605 	of_node_put(private->mutex_node);  in mtk_drm_probe()
607 		of_node_put(private->comp_node[i]);  in mtk_drm_probe()
608 		if (private->ddp_comp[i].larb_dev)  in mtk_drm_probe()
609 			put_device(private->ddp_comp[i].larb_dev);  in mtk_drm_probe()
619 	component_master_del(&pdev->dev, &mtk_drm_ops);  in mtk_drm_remove()
620 	pm_runtime_disable(&pdev->dev);  in mtk_drm_remove()
621 	of_node_put(private->mutex_node);  in mtk_drm_remove()
623 		of_node_put(private->comp_node[i]);  in mtk_drm_remove()
632 	struct drm_device *drm = private->drm;  in mtk_drm_sys_suspend()
643 	struct drm_device *drm = private->drm;  in mtk_drm_sys_resume()
659 		.name	= "mediatek-drm",