1 // SPDX-License-Identifier: GPL-2.0-only
8 #include <linux/clk-provider.h>
15 #include <linux/dma-mapping.h>
51 	if (info->num_planes != 1)  in mtk_drm_mode_fb_create()
52 		return ERR_PTR(-EINVAL);  in mtk_drm_mode_fb_create()
347 	struct mtk_drm_private *private = drm->dev_private;  in mtk_drm_kms_init()
354 		return -ENODEV;  in mtk_drm_kms_init()
357 		return -EPROBE_DEFER;  in mtk_drm_kms_init()
359 	pdev = of_find_device_by_node(private->mutex_node);  in mtk_drm_kms_init()
361 		dev_err(drm->dev, "Waiting for disp-mutex device %pOF\n",  in mtk_drm_kms_init()
362 			private->mutex_node);  in mtk_drm_kms_init()
363 		of_node_put(private->mutex_node);  in mtk_drm_kms_init()
364 		return -EPROBE_DEFER;  in mtk_drm_kms_init()
366 	private->mutex_dev = &pdev->dev;  in mtk_drm_kms_init()
372 	drm->mode_config.min_width = 64;  in mtk_drm_kms_init()
373 	drm->mode_config.min_height = 64;  in mtk_drm_kms_init()
380 	drm->mode_config.max_width = 4096;  in mtk_drm_kms_init()
381 	drm->mode_config.max_height = 4096;  in mtk_drm_kms_init()
382 	drm->mode_config.funcs = &mtk_drm_mode_config_funcs;  in mtk_drm_kms_init()
383 	drm->mode_config.helper_private = &mtk_drm_mode_config_helpers;  in mtk_drm_kms_init()
385 	ret = component_bind_all(drm->dev, drm);  in mtk_drm_kms_init()
392 	 * OVL0 -> COLOR0 -> AAL -> OD -> RDMA0 -> UFOE -> DSI0 ...  in mtk_drm_kms_init()
394 	ret = mtk_drm_crtc_create(drm, private->data->main_path,  in mtk_drm_kms_init()
395 				  private->data->main_len);  in mtk_drm_kms_init()
398 	/* ... and OVL1 -> COLOR1 -> GAMMA -> RDMA1 -> DPI0. */  in mtk_drm_kms_init()
399 	ret = mtk_drm_crtc_create(drm, private->data->ext_path,  in mtk_drm_kms_init()
400 				  private->data->ext_len);  in mtk_drm_kms_init()
404 	ret = mtk_drm_crtc_create(drm, private->data->third_path,  in mtk_drm_kms_init()
405 				  private->data->third_len);  in mtk_drm_kms_init()
410 	np = private->comp_node[private->data->main_path[0]] ?:  in mtk_drm_kms_init()
411 	     private->comp_node[private->data->ext_path[0]];  in mtk_drm_kms_init()
414 		ret = -ENODEV;  in mtk_drm_kms_init()
415 		dev_err(drm->dev, "Need at least one OVL device\n");  in mtk_drm_kms_init()
419 	dma_dev = &pdev->dev;  in mtk_drm_kms_init()
420 	private->dma_dev = dma_dev;  in mtk_drm_kms_init()
442 	component_unbind_all(drm->dev, drm);  in mtk_drm_kms_init()
444 	put_device(private->mutex_dev);  in mtk_drm_kms_init()
453 	component_unbind_all(drm->dev, drm);  in mtk_drm_kms_deinit()
460  * not dev->dev, as drm_gem_prime_import() expects.
465 	struct mtk_drm_private *private = dev->dev_private;  in mtk_drm_gem_prime_import()
467 	return drm_gem_prime_import_dev(dev, dma_buf, private->dma_dev);  in mtk_drm_gem_prime_import()
499 	drm->dev_private = private;  in mtk_drm_bind()
500 	private->drm = drm;  in mtk_drm_bind()
525 	drm_dev_unregister(private->drm);  in mtk_drm_unbind()
526 	mtk_drm_kms_deinit(private->drm);  in mtk_drm_unbind()
527 	drm_dev_put(private->drm);  in mtk_drm_unbind()
528 	private->num_pipes = 0;  in mtk_drm_unbind()
529 	private->drm = NULL;  in mtk_drm_unbind()
538 	{ .compatible = "mediatek,mt8167-disp-aal",
540 	{ .compatible = "mediatek,mt8173-disp-aal",
542 	{ .compatible = "mediatek,mt8183-disp-aal",
544 	{ .compatible = "mediatek,mt8192-disp-aal",
546 	{ .compatible = "mediatek,mt8167-disp-ccorr",
548 	{ .compatible = "mediatek,mt8183-disp-ccorr",
550 	{ .compatible = "mediatek,mt8192-disp-ccorr",
552 	{ .compatible = "mediatek,mt2701-disp-color",
554 	{ .compatible = "mediatek,mt8167-disp-color",
556 	{ .compatible = "mediatek,mt8173-disp-color",
558 	{ .compatible = "mediatek,mt8167-disp-dither",
560 	{ .compatible = "mediatek,mt8183-disp-dither",
562 	{ .compatible = "mediatek,mt8195-disp-dsc",
564 	{ .compatible = "mediatek,mt8167-disp-gamma",
566 	{ .compatible = "mediatek,mt8173-disp-gamma",
568 	{ .compatible = "mediatek,mt8183-disp-gamma",
570 	{ .compatible = "mediatek,mt8195-disp-merge",
572 	{ .compatible = "mediatek,mt2701-disp-mutex",
574 	{ .compatible = "mediatek,mt2712-disp-mutex",
576 	{ .compatible = "mediatek,mt8167-disp-mutex",
578 	{ .compatible = "mediatek,mt8173-disp-mutex",
580 	{ .compatible = "mediatek,mt8183-disp-mutex",
582 	{ .compatible = "mediatek,mt8186-disp-mutex",
584 	{ .compatible = "mediatek,mt8192-disp-mutex",
586 	{ .compatible = "mediatek,mt8195-disp-mutex",
588 	{ .compatible = "mediatek,mt8173-disp-od",
590 	{ .compatible = "mediatek,mt2701-disp-ovl",
592 	{ .compatible = "mediatek,mt8167-disp-ovl",
594 	{ .compatible = "mediatek,mt8173-disp-ovl",
596 	{ .compatible = "mediatek,mt8183-disp-ovl",
598 	{ .compatible = "mediatek,mt8192-disp-ovl",
600 	{ .compatible = "mediatek,mt8183-disp-ovl-2l",
602 	{ .compatible = "mediatek,mt8192-disp-ovl-2l",
604 	{ .compatible = "mediatek,mt8192-disp-postmask",
606 	{ .compatible = "mediatek,mt2701-disp-pwm",
608 	{ .compatible = "mediatek,mt8167-disp-pwm",
610 	{ .compatible = "mediatek,mt8173-disp-pwm",
612 	{ .compatible = "mediatek,mt2701-disp-rdma",
614 	{ .compatible = "mediatek,mt8167-disp-rdma",
616 	{ .compatible = "mediatek,mt8173-disp-rdma",
618 	{ .compatible = "mediatek,mt8183-disp-rdma",
620 	{ .compatible = "mediatek,mt8195-disp-rdma",
622 	{ .compatible = "mediatek,mt8173-disp-ufoe",
624 	{ .compatible = "mediatek,mt8173-disp-wdma",
626 	{ .compatible = "mediatek,mt2701-dpi",
628 	{ .compatible = "mediatek,mt8167-dsi",
630 	{ .compatible = "mediatek,mt8173-dpi",
632 	{ .compatible = "mediatek,mt8183-dpi",
634 	{ .compatible = "mediatek,mt8192-dpi",
636 	{ .compatible = "mediatek,mt8195-dp-intf",
638 	{ .compatible = "mediatek,mt2701-dsi",
640 	{ .compatible = "mediatek,mt8173-dsi",
642 	{ .compatible = "mediatek,mt8183-dsi",
644 	{ .compatible = "mediatek,mt8186-dsi",
650 	{ .compatible = "mediatek,mt2701-mmsys",
652 	{ .compatible = "mediatek,mt7623-mmsys",
654 	{ .compatible = "mediatek,mt2712-mmsys",
656 	{ .compatible = "mediatek,mt8167-mmsys",
658 	{ .compatible = "mediatek,mt8173-mmsys",
660 	{ .compatible = "mediatek,mt8183-mmsys",
662 	{ .compatible = "mediatek,mt8186-mmsys",
664 	{ .compatible = "mediatek,mt8192-mmsys",
666 	{ .compatible = "mediatek,mt8195-mmsys",
676 	struct platform_device *pdev = of_find_device_by_node(dev->parent->of_node);  in mtk_drm_find_match_data()
682 		return -EINVAL;  in mtk_drm_find_match_data()
685 	for (i = 0; i < match_data->num_drv_data; i++)  in mtk_drm_find_match_data()
686 		if (match_data->drv_data[i]->io_start == res->start)  in mtk_drm_find_match_data()
689 	return -EINVAL;  in mtk_drm_find_match_data()
694 	struct device *dev = &pdev->dev;  in mtk_drm_probe()
695 	struct device_node *phandle = dev->parent->of_node;  in mtk_drm_probe()
706 		return -ENOMEM;  in mtk_drm_probe()
708 	private->mmsys_dev = dev->parent;  in mtk_drm_probe()
709 	if (!private->mmsys_dev) {  in mtk_drm_probe()
710 		dev_err(dev, "Failed to get MMSYS device\n");  in mtk_drm_probe()
711 		return -ENODEV;  in mtk_drm_probe()
716 		return -ENODEV;  in mtk_drm_probe()
718 	match_data = of_id->data;  in mtk_drm_probe()
719 	if (match_data->num_drv_data > 1) {  in mtk_drm_probe()
720 		/* This SoC has multiple mmsys channels */  in mtk_drm_probe()
726 		private->data = match_data->drv_data[ret];  in mtk_drm_probe()
728 		dev_dbg(dev, "Using single mmsys channel\n");  in mtk_drm_probe()
729 		private->data = match_data->drv_data[0];  in mtk_drm_probe()
733 	for_each_child_of_node(phandle->parent, node) {  in mtk_drm_probe()
748 		comp_type = (enum mtk_ddp_comp_type)of_id->data;  in mtk_drm_probe()
751 			private->mutex_node = of_node_get(node);  in mtk_drm_probe()
762 		private->comp_node[comp_id] = of_node_get(node);  in mtk_drm_probe()
786 		ret = mtk_ddp_comp_init(node, &private->ddp_comp[comp_id], comp_id);  in mtk_drm_probe()
793 	if (!private->mutex_node) {  in mtk_drm_probe()
794 		dev_err(dev, "Failed to find disp-mutex node\n");  in mtk_drm_probe()
795 		ret = -ENODEV;  in mtk_drm_probe()
812 	of_node_put(private->mutex_node);  in mtk_drm_probe()
814 		of_node_put(private->comp_node[i]);  in mtk_drm_probe()
823 	component_master_del(&pdev->dev, &mtk_drm_ops);  in mtk_drm_remove()
824 	pm_runtime_disable(&pdev->dev);  in mtk_drm_remove()
825 	of_node_put(private->mutex_node);  in mtk_drm_remove()
827 		of_node_put(private->comp_node[i]);  in mtk_drm_remove()
835 	struct drm_device *drm = private->drm;  in mtk_drm_sys_prepare()
843 	struct drm_device *drm = private->drm;  in mtk_drm_sys_complete()
860 		.name	= "mediatek-drm",