1 // SPDX-License-Identifier: GPL-2.0-or-later
6  * Maxime Ripard <maxime.ripard@free-electrons.com>
10 #include <linux/dma-mapping.h>
38 	args->pitch = ALIGN(DIV_ROUND_UP(args->width * args->bpp, 8), 2);  in drm_sun4i_gem_dumb_create()
50 	.name			= "sun4i-drm",
72 		ret = -ENOMEM;  in sun4i_drv_bind()
76 	drm->dev_private = drv;  in sun4i_drv_bind()
77 	INIT_LIST_HEAD(&drv->frontend_list);  in sun4i_drv_bind()
78 	INIT_LIST_HEAD(&drv->engine_list);  in sun4i_drv_bind()
79 	INIT_LIST_HEAD(&drv->tcon_list);  in sun4i_drv_bind()
82 	if (ret && ret != -ENODEV) {  in sun4i_drv_bind()
83 		dev_err(drm->dev, "Couldn't claim our memory region\n");  in sun4i_drv_bind()
89 	ret = component_bind_all(drm->dev, drm);  in sun4i_drv_bind()
91 		dev_err(drm->dev, "Couldn't bind all pipelines components\n");  in sun4i_drv_bind()
96 	ret = drm_vblank_init(drm, drm->mode_config.num_crtc);  in sun4i_drv_bind()
155 	return of_device_is_compatible(node, "hdmi-connector");  in sun4i_drv_node_is_connector()
160 	return of_device_is_compatible(node, "allwinner,sun4i-a10-display-frontend") ||  in sun4i_drv_node_is_frontend()
161 		of_device_is_compatible(node, "allwinner,sun5i-a13-display-frontend") ||  in sun4i_drv_node_is_frontend()
162 		of_device_is_compatible(node, "allwinner,sun6i-a31-display-frontend") ||  in sun4i_drv_node_is_frontend()
163 		of_device_is_compatible(node, "allwinner,sun7i-a20-display-frontend") ||  in sun4i_drv_node_is_frontend()
164 		of_device_is_compatible(node, "allwinner,sun8i-a23-display-frontend") ||  in sun4i_drv_node_is_frontend()
165 		of_device_is_compatible(node, "allwinner,sun8i-a33-display-frontend") ||  in sun4i_drv_node_is_frontend()
166 		of_device_is_compatible(node, "allwinner,sun9i-a80-display-frontend");  in sun4i_drv_node_is_frontend()
171 	return of_device_is_compatible(node, "allwinner,sun9i-a80-deu");  in sun4i_drv_node_is_deu()
195 		quirks = (struct sun4i_tcon_quirks *)match->data;  in sun4i_drv_node_is_tcon_with_ch0()
197 		return quirks->has_channel_0;  in sun4i_drv_node_is_tcon_with_ch0()
214  * of the of_graph, which means the encoders downstream of the TCON
215  * get add right after the first TCON. The second TCON or CRTC will
219  * either backend, and both backends can feed either TCON, we want
255 			 * TCON TOP is always probed before TCON. However, TCON  in sun4i_drv_traverse_endpoints()
256 			 * points back to TCON TOP when it is source for HDMI.  in sun4i_drv_traverse_endpoints()
258 			 * between TCON TOP and TCON.  in sun4i_drv_traverse_endpoints()
261 				DRM_DEBUG_DRIVER("TCON output endpoint is TCON TOP... skipping\n");  in sun4i_drv_traverse_endpoints()
267 			 * If the node is our TCON with channel 0, the first  in sun4i_drv_traverse_endpoints()
288 		kfifo_put(&list->fifo, remote);  in sun4i_drv_traverse_endpoints()
335 	/* TCON TOP has second and third output */  in sun4i_drv_add_endpoints()
368 	struct device_node *np = pdev->dev.of_node, *endpoint;  in sun4i_drv_probe()
375 	 * DE2 and DE3 cores actually supports 40-bit addresses, but  in sun4i_drv_probe()
378 	dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));  in sun4i_drv_probe()
379 	dma_set_max_seg_size(&pdev->dev, UINT_MAX);  in sun4i_drv_probe()
393 		ret = sun4i_drv_add_endpoints(&pdev->dev, &list, &match,  in sun4i_drv_probe()
404 		return component_master_add_with_match(&pdev->dev,  in sun4i_drv_probe()
413 	component_master_del(&pdev->dev, &sun4i_drv_master_ops);  in sun4i_drv_remove()
422 	{ .compatible = "allwinner,sun4i-a10-display-engine" },
423 	{ .compatible = "allwinner,sun5i-a10s-display-engine" },
424 	{ .compatible = "allwinner,sun5i-a13-display-engine" },
425 	{ .compatible = "allwinner,sun6i-a31-display-engine" },
426 	{ .compatible = "allwinner,sun6i-a31s-display-engine" },
427 	{ .compatible = "allwinner,sun7i-a20-display-engine" },
428 	{ .compatible = "allwinner,sun8i-a23-display-engine" },
429 	{ .compatible = "allwinner,sun8i-a33-display-engine" },
430 	{ .compatible = "allwinner,sun8i-a83t-display-engine" },
431 	{ .compatible = "allwinner,sun8i-h3-display-engine" },
432 	{ .compatible = "allwinner,sun8i-r40-display-engine" },
433 	{ .compatible = "allwinner,sun8i-v3s-display-engine" },
434 	{ .compatible = "allwinner,sun9i-a80-display-engine" },
435 	{ .compatible = "allwinner,sun20i-d1-display-engine" },
436 	{ .compatible = "allwinner,sun50i-a64-display-engine" },
437 	{ .compatible = "allwinner,sun50i-h6-display-engine" },
447 		.name		= "sun4i-drm",
454 MODULE_AUTHOR("Boris Brezillon <boris.brezillon@free-electrons.com>");
455 MODULE_AUTHOR("Maxime Ripard <maxime.ripard@free-electrons.com>");