1 // SPDX-License-Identifier: GPL-2.0-only
3  * Copyright (C) 2014-2015 Broadcom
11  * OpenGL ES 2.0-compatible 3D engine called V3D, and a highly
16  * compute shader-style jobs using the same shader processor as is
26 #include <linux/dma-mapping.h>
59 	map = devm_ioremap_resource(&dev->dev, res);  in vc4_ioremap_regs()
73 	if (args->pad != 0)  in vc4_get_param_ioctl()
74 		return -EINVAL;  in vc4_get_param_ioctl()
76 	if (!vc4->v3d)  in vc4_get_param_ioctl()
77 		return -ENODEV;  in vc4_get_param_ioctl()
79 	switch (args->param) {  in vc4_get_param_ioctl()
84 		args->value = V3D_READ(V3D_IDENT0);  in vc4_get_param_ioctl()
91 		args->value = V3D_READ(V3D_IDENT1);  in vc4_get_param_ioctl()
98 		args->value = V3D_READ(V3D_IDENT2);  in vc4_get_param_ioctl()
107 		args->value = true;  in vc4_get_param_ioctl()
110 		DRM_DEBUG("Unknown parameter %d\n", args->param);  in vc4_get_param_ioctl()
111 		return -EINVAL;  in vc4_get_param_ioctl()
123 		return -ENOMEM;  in vc4_open()
126 	file->driver_priv = vc4file;  in vc4_open()
133 	struct vc4_file *vc4file = file->driver_priv;  in vc4_close()
135 	if (vc4file->bin_bo_used)  in vc4_close()
205 		struct device_driver *drv = &drivers[i]->driver;  in vc4_match_add_drivers()
226 	dev->coherent_dma_mask = DMA_BIT_MASK(32);  in vc4_drm_bind()
228 	/* If VC4 V3D is missing, don't advertise render nodes. */  in vc4_drm_bind()
238 	drm = &vc4->base;  in vc4_drm_bind()
240 	INIT_LIST_HEAD(&vc4->debugfs_list);  in vc4_drm_bind()
242 	mutex_init(&vc4->bin_bo_lock);  in vc4_drm_bind()
306  *   - The TXP driver needs to be bound before the PixelValves (CRTC)
308  *   - The HDMI driver needs to be bound after the HVS so that we can
326 	struct device *dev = &pdev->dev;  in vc4_platform_drm_probe()
336 	component_master_del(&pdev->dev, &vc4_drm_ops);  in vc4_platform_drm_remove()
342 	{ .compatible = "brcm,bcm2711-vc5", },
343 	{ .compatible = "brcm,bcm2835-vc4", },
344 	{ .compatible = "brcm,cygnus-vc4", },
353 		.name	= "vc4-drm",
380 MODULE_ALIAS("platform:vc4-drm");