1 // SPDX-License-Identifier: GPL-2.0-only
14 #include <linux/dma-mapping.h>
50 	if (info->num_planes != 1)  in mtk_drm_mode_fb_create()
51 		return ERR_PTR(-EINVAL);  in mtk_drm_mode_fb_create()
316 	{ .compatible = "mediatek,mt2701-mmsys",
318 	{ .compatible = "mediatek,mt7623-mmsys",
320 	{ .compatible = "mediatek,mt2712-mmsys",
322 	{ .compatible = "mediatek,mt8167-mmsys",
324 	{ .compatible = "mediatek,mt8173-mmsys",
326 	{ .compatible = "mediatek,mt8183-mmsys",
328 	{ .compatible = "mediatek,mt8186-mmsys",
330 	{ .compatible = "mediatek,mt8188-vdosys0",
332 	{ .compatible = "mediatek,mt8192-mmsys",
334 	{ .compatible = "mediatek,mt8195-mmsys",
336 	{ .compatible = "mediatek,mt8195-vdosys0",
338 	{ .compatible = "mediatek,mt8195-vdosys1",
346 	if (!strncmp(dev_name(dev), "mediatek-drm", sizeof("mediatek-drm") - 1))  in mtk_drm_match()
355 	struct device_node *phandle = dev->parent->of_node;  in mtk_drm_get_all_drm_priv()
362 	for_each_child_of_node(phandle->parent, node) {  in mtk_drm_get_all_drm_priv()
373 		drm_dev = device_find_child(&pdev->dev, NULL, mtk_drm_match);  in mtk_drm_get_all_drm_priv()
378 		if (all_drm_priv[cnt] && all_drm_priv[cnt]->mtk_drm_bound)  in mtk_drm_get_all_drm_priv()
387 	if (drm_priv->data->mmsys_dev_num == cnt) {  in mtk_drm_get_all_drm_priv()
390 				all_drm_priv[j]->all_drm_private[i] = all_drm_priv[i];  in mtk_drm_get_all_drm_priv()
400 	const struct mtk_mmsys_driver_data *drv_data = private->data;  in mtk_drm_find_mmsys_comp()
403 	if (drv_data->main_path)  in mtk_drm_find_mmsys_comp()
404 		for (i = 0; i < drv_data->main_len; i++)  in mtk_drm_find_mmsys_comp()
405 			if (drv_data->main_path[i] == comp_id)  in mtk_drm_find_mmsys_comp()
408 	if (drv_data->ext_path)  in mtk_drm_find_mmsys_comp()
409 		for (i = 0; i < drv_data->ext_len; i++)  in mtk_drm_find_mmsys_comp()
410 			if (drv_data->ext_path[i] == comp_id)  in mtk_drm_find_mmsys_comp()
413 	if (drv_data->third_path)  in mtk_drm_find_mmsys_comp()
414 		for (i = 0; i < drv_data->third_len; i++)  in mtk_drm_find_mmsys_comp()
415 			if (drv_data->third_path[i] == comp_id)  in mtk_drm_find_mmsys_comp()
423 	struct mtk_drm_private *private = drm->dev_private;  in mtk_drm_kms_init()
430 		return -ENODEV;  in mtk_drm_kms_init()
436 	drm->mode_config.min_width = 64;  in mtk_drm_kms_init()
437 	drm->mode_config.min_height = 64;  in mtk_drm_kms_init()
444 	drm->mode_config.max_width = 4096;  in mtk_drm_kms_init()
445 	drm->mode_config.max_height = 4096;  in mtk_drm_kms_init()
446 	drm->mode_config.funcs = &mtk_drm_mode_config_funcs;  in mtk_drm_kms_init()
447 	drm->mode_config.helper_private = &mtk_drm_mode_config_helpers;  in mtk_drm_kms_init()
449 	for (i = 0; i < private->data->mmsys_dev_num; i++) {  in mtk_drm_kms_init()
450 		drm->dev_private = private->all_drm_private[i];  in mtk_drm_kms_init()
451 		ret = component_bind_all(private->all_drm_private[i]->dev, drm);  in mtk_drm_kms_init()
465 	 *    OVL0 -> COLOR0 -> AAL -> OD -> RDMA0 -> UFOE -> DSI0 ...  in mtk_drm_kms_init()
472 		for (j = 0; j < private->data->mmsys_dev_num; j++) {  in mtk_drm_kms_init()
473 			priv_n = private->all_drm_private[j];  in mtk_drm_kms_init()
475 			if (i == 0 && priv_n->data->main_len) {  in mtk_drm_kms_init()
476 				ret = mtk_drm_crtc_create(drm, priv_n->data->main_path,  in mtk_drm_kms_init()
477 							  priv_n->data->main_len, j);  in mtk_drm_kms_init()
482 			} else if (i == 1 && priv_n->data->ext_len) {  in mtk_drm_kms_init()
483 				ret = mtk_drm_crtc_create(drm, priv_n->data->ext_path,  in mtk_drm_kms_init()
484 							  priv_n->data->ext_len, j);  in mtk_drm_kms_init()
489 			} else if (i == 2 && priv_n->data->third_len) {  in mtk_drm_kms_init()
490 				ret = mtk_drm_crtc_create(drm, priv_n->data->third_path,  in mtk_drm_kms_init()
491 							  priv_n->data->third_len, j);  in mtk_drm_kms_init()
505 		ret = -ENODEV;  in mtk_drm_kms_init()
506 		dev_err(drm->dev, "Need at least one OVL device\n");  in mtk_drm_kms_init()
510 	for (i = 0; i < private->data->mmsys_dev_num; i++)  in mtk_drm_kms_init()
511 		private->all_drm_private[i]->dma_dev = dma_dev;  in mtk_drm_kms_init()
533 	for (i = 0; i < private->data->mmsys_dev_num; i++)  in mtk_drm_kms_init()
534 		component_unbind_all(private->all_drm_private[i]->dev, drm);  in mtk_drm_kms_init()
536 	for (i = 0; i < private->data->mmsys_dev_num; i++)  in mtk_drm_kms_init()
537 		put_device(private->all_drm_private[i]->mutex_dev);  in mtk_drm_kms_init()
547 	component_unbind_all(drm->dev, drm);  in mtk_drm_kms_deinit()
554  * not dev->dev, as drm_gem_prime_import() expects.
559 	struct mtk_drm_private *private = dev->dev_private;  in mtk_drm_gem_prime_import()
561 	return drm_gem_prime_import_dev(dev, dma_buf, private->dma_dev);  in mtk_drm_gem_prime_import()
593 		return -EPROBE_DEFER;  in mtk_drm_bind()
595 	pdev = of_find_device_by_node(private->mutex_node);  in mtk_drm_bind()
597 		dev_err(dev, "Waiting for disp-mutex device %pOF\n",  in mtk_drm_bind()
598 			private->mutex_node);  in mtk_drm_bind()
599 		of_node_put(private->mutex_node);  in mtk_drm_bind()
600 		return -EPROBE_DEFER;  in mtk_drm_bind()
603 	private->mutex_dev = &pdev->dev;  in mtk_drm_bind()
604 	private->mtk_drm_bound = true;  in mtk_drm_bind()
605 	private->dev = dev;  in mtk_drm_bind()
614 	private->drm_master = true;  in mtk_drm_bind()
615 	drm->dev_private = private;  in mtk_drm_bind()
616 	for (i = 0; i < private->data->mmsys_dev_num; i++)  in mtk_drm_bind()
617 		private->all_drm_private[i]->drm = drm;  in mtk_drm_bind()
634 	private->drm = NULL;  in mtk_drm_bind()
636 	for (i = 0; i < private->data->mmsys_dev_num; i++)  in mtk_drm_bind()
637 		private->all_drm_private[i]->drm = NULL;  in mtk_drm_bind()
646 	if (private->drm_master) {  in mtk_drm_unbind()
647 		drm_dev_unregister(private->drm);  in mtk_drm_unbind()
648 		mtk_drm_kms_deinit(private->drm);  in mtk_drm_unbind()
649 		drm_dev_put(private->drm);  in mtk_drm_unbind()
651 	private->mtk_drm_bound = false;  in mtk_drm_unbind()
652 	private->drm_master = false;  in mtk_drm_unbind()
653 	private->drm = NULL;  in mtk_drm_unbind()
662 	{ .compatible = "mediatek,mt8167-disp-aal",
664 	{ .compatible = "mediatek,mt8173-disp-aal",
666 	{ .compatible = "mediatek,mt8183-disp-aal",
668 	{ .compatible = "mediatek,mt8192-disp-aal",
670 	{ .compatible = "mediatek,mt8167-disp-ccorr",
672 	{ .compatible = "mediatek,mt8183-disp-ccorr",
674 	{ .compatible = "mediatek,mt8192-disp-ccorr",
676 	{ .compatible = "mediatek,mt2701-disp-color",
678 	{ .compatible = "mediatek,mt8167-disp-color",
680 	{ .compatible = "mediatek,mt8173-disp-color",
682 	{ .compatible = "mediatek,mt8167-disp-dither",
684 	{ .compatible = "mediatek,mt8183-disp-dither",
686 	{ .compatible = "mediatek,mt8195-disp-dsc",
688 	{ .compatible = "mediatek,mt8167-disp-gamma",
690 	{ .compatible = "mediatek,mt8173-disp-gamma",
692 	{ .compatible = "mediatek,mt8183-disp-gamma",
694 	{ .compatible = "mediatek,mt8195-disp-merge",
696 	{ .compatible = "mediatek,mt2701-disp-mutex",
698 	{ .compatible = "mediatek,mt2712-disp-mutex",
700 	{ .compatible = "mediatek,mt8167-disp-mutex",
702 	{ .compatible = "mediatek,mt8173-disp-mutex",
704 	{ .compatible = "mediatek,mt8183-disp-mutex",
706 	{ .compatible = "mediatek,mt8186-disp-mutex",
708 	{ .compatible = "mediatek,mt8188-disp-mutex",
710 	{ .compatible = "mediatek,mt8192-disp-mutex",
712 	{ .compatible = "mediatek,mt8195-disp-mutex",
714 	{ .compatible = "mediatek,mt8173-disp-od",
716 	{ .compatible = "mediatek,mt2701-disp-ovl",
718 	{ .compatible = "mediatek,mt8167-disp-ovl",
720 	{ .compatible = "mediatek,mt8173-disp-ovl",
722 	{ .compatible = "mediatek,mt8183-disp-ovl",
724 	{ .compatible = "mediatek,mt8192-disp-ovl",
726 	{ .compatible = "mediatek,mt8195-disp-ovl",
728 	{ .compatible = "mediatek,mt8183-disp-ovl-2l",
730 	{ .compatible = "mediatek,mt8192-disp-ovl-2l",
732 	{ .compatible = "mediatek,mt8192-disp-postmask",
734 	{ .compatible = "mediatek,mt2701-disp-pwm",
736 	{ .compatible = "mediatek,mt8167-disp-pwm",
738 	{ .compatible = "mediatek,mt8173-disp-pwm",
740 	{ .compatible = "mediatek,mt2701-disp-rdma",
742 	{ .compatible = "mediatek,mt8167-disp-rdma",
744 	{ .compatible = "mediatek,mt8173-disp-rdma",
746 	{ .compatible = "mediatek,mt8183-disp-rdma",
748 	{ .compatible = "mediatek,mt8195-disp-rdma",
750 	{ .compatible = "mediatek,mt8173-disp-ufoe",
752 	{ .compatible = "mediatek,mt8173-disp-wdma",
754 	{ .compatible = "mediatek,mt2701-dpi",
756 	{ .compatible = "mediatek,mt8167-dsi",
758 	{ .compatible = "mediatek,mt8173-dpi",
760 	{ .compatible = "mediatek,mt8183-dpi",
762 	{ .compatible = "mediatek,mt8186-dpi",
764 	{ .compatible = "mediatek,mt8188-dp-intf",
766 	{ .compatible = "mediatek,mt8192-dpi",
768 	{ .compatible = "mediatek,mt8195-dp-intf",
770 	{ .compatible = "mediatek,mt2701-dsi",
772 	{ .compatible = "mediatek,mt8173-dsi",
774 	{ .compatible = "mediatek,mt8183-dsi",
776 	{ .compatible = "mediatek,mt8186-dsi",
783 	struct device *dev = &pdev->dev;  in mtk_drm_probe()
784 	struct device_node *phandle = dev->parent->of_node;  in mtk_drm_probe()
795 		return -ENOMEM;  in mtk_drm_probe()
797 	private->mmsys_dev = dev->parent;  in mtk_drm_probe()
798 	if (!private->mmsys_dev) {  in mtk_drm_probe()
800 		return -ENODEV;  in mtk_drm_probe()
805 		return -ENODEV;  in mtk_drm_probe()
807 	private->data = of_id->data;  in mtk_drm_probe()
809 	private->all_drm_private = devm_kmalloc_array(dev, private->data->mmsys_dev_num,  in mtk_drm_probe()
810 						      sizeof(*private->all_drm_private),  in mtk_drm_probe()
812 	if (!private->all_drm_private)  in mtk_drm_probe()
813 		return -ENOMEM;  in mtk_drm_probe()
817 		ovl_adaptor = platform_device_register_data(dev, "mediatek-disp-ovl-adaptor",  in mtk_drm_probe()
819 							    (void *)private->mmsys_dev,  in mtk_drm_probe()
820 							    sizeof(*private->mmsys_dev));  in mtk_drm_probe()
821 		private->ddp_comp[DDP_COMPONENT_DRM_OVL_ADAPTOR].dev = &ovl_adaptor->dev;  in mtk_drm_probe()
822 		mtk_ddp_comp_init(NULL, &private->ddp_comp[DDP_COMPONENT_DRM_OVL_ADAPTOR],  in mtk_drm_probe()
824 		component_match_add(dev, &match, compare_dev, &ovl_adaptor->dev);  in mtk_drm_probe()
828 	for_each_child_of_node(phandle->parent, node) {  in mtk_drm_probe()
843 		comp_type = (enum mtk_ddp_comp_type)(uintptr_t)of_id->data;  in mtk_drm_probe()
849 			if (id < 0 || id == private->data->mmsys_id) {  in mtk_drm_probe()
850 				private->mutex_node = of_node_get(node);  in mtk_drm_probe()
851 				dev_dbg(dev, "get mutex for mmsys %d", private->data->mmsys_id);  in mtk_drm_probe()
866 		private->comp_node[comp_id] = of_node_get(node);  in mtk_drm_probe()
891 		ret = mtk_ddp_comp_init(node, &private->ddp_comp[comp_id], comp_id);  in mtk_drm_probe()
898 	if (!private->mutex_node) {  in mtk_drm_probe()
899 		dev_err(dev, "Failed to find disp-mutex node\n");  in mtk_drm_probe()
900 		ret = -ENODEV;  in mtk_drm_probe()
917 	of_node_put(private->mutex_node);  in mtk_drm_probe()
919 		of_node_put(private->comp_node[i]);  in mtk_drm_probe()
928 	component_master_del(&pdev->dev, &mtk_drm_ops);  in mtk_drm_remove()
929 	pm_runtime_disable(&pdev->dev);  in mtk_drm_remove()
930 	of_node_put(private->mutex_node);  in mtk_drm_remove()
932 		of_node_put(private->comp_node[i]);  in mtk_drm_remove()
939 	drm_atomic_helper_shutdown(private->drm);  in mtk_drm_shutdown()
945 	struct drm_device *drm = private->drm;  in mtk_drm_sys_prepare()
947 	if (private->drm_master)  in mtk_drm_sys_prepare()
956 	struct drm_device *drm = private->drm;  in mtk_drm_sys_complete()
959 	if (private->drm_master)  in mtk_drm_sys_complete()
975 		.name	= "mediatek-drm",