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>
39 #include <soc/bcm2835/raspberrypi-firmware.h>
67 	int min_pitch = DIV_ROUND_UP(args->width * args->bpp, 8);  in vc4_dumb_fixup_args()
69 	if (args->pitch < min_pitch)  in vc4_dumb_fixup_args()
70 		args->pitch = min_pitch;  in vc4_dumb_fixup_args()
72 	if (args->size < args->pitch * args->height)  in vc4_dumb_fixup_args()
73 		args->size = args->pitch * args->height;  in vc4_dumb_fixup_args()
98 	if (args->pad != 0)  in vc4_get_param_ioctl()
99 		return -EINVAL;  in vc4_get_param_ioctl()
101 	if (WARN_ON_ONCE(vc4->is_vc5))  in vc4_get_param_ioctl()
102 		return -ENODEV;  in vc4_get_param_ioctl()
104 	if (!vc4->v3d)  in vc4_get_param_ioctl()
105 		return -ENODEV;  in vc4_get_param_ioctl()
107 	switch (args->param) {  in vc4_get_param_ioctl()
112 		args->value = V3D_READ(V3D_IDENT0);  in vc4_get_param_ioctl()
119 		args->value = V3D_READ(V3D_IDENT1);  in vc4_get_param_ioctl()
126 		args->value = V3D_READ(V3D_IDENT2);  in vc4_get_param_ioctl()
135 		args->value = true;  in vc4_get_param_ioctl()
138 		DRM_DEBUG("Unknown parameter %d\n", args->param);  in vc4_get_param_ioctl()
139 		return -EINVAL;  in vc4_get_param_ioctl()
150 	if (WARN_ON_ONCE(vc4->is_vc5))  in vc4_open()
151 		return -ENODEV;  in vc4_open()
155 		return -ENOMEM;  in vc4_open()
156 	vc4file->dev = vc4;  in vc4_open()
159 	file->driver_priv = vc4file;  in vc4_open()
166 	struct vc4_file *vc4file = file->driver_priv;  in vc4_close()
168 	if (WARN_ON_ONCE(vc4->is_vc5))  in vc4_close()
171 	if (vc4file->bin_bo_used)  in vc4_close()
257 		struct device_driver *drv = &drivers[i]->driver;  in vc4_match_add_drivers()
273 	component_unbind_all(vc4->dev, &vc4->base);  in vc4_component_unbind_all()
277 	{ .compatible = "brcm,bcm2711-hvs" },
278 	{ .compatible = "brcm,bcm2835-hvs" },
279 	{ .compatible = "brcm,bcm2835-v3d" },
280 	{ .compatible = "brcm,cygnus-v3d" },
281 	{ .compatible = "brcm,vc4-v3d" },
297 	dev->coherent_dma_mask = DMA_BIT_MASK(32);  in vc4_drm_bind()
299 	is_vc5 = of_device_is_compatible(dev->of_node, "brcm,bcm2711-vc5");  in vc4_drm_bind()
318 	vc4->is_vc5 = is_vc5;  in vc4_drm_bind()
319 	vc4->dev = dev;  in vc4_drm_bind()
321 	drm = &vc4->base;  in vc4_drm_bind()
325 		ret = drmm_mutex_init(drm, &vc4->bin_bo_lock);  in vc4_drm_bind()
344 	node = of_find_compatible_node(NULL, NULL, "raspberrypi,bcm2835-firmware");  in vc4_drm_bind()
350 			ret = -EPROBE_DEFER;  in vc4_drm_bind()
418  *   - The TXP driver needs to be bound before the PixelValves (CRTC)
420  *   - The HDMI driver needs to be bound after the HVS so that we can
438 	struct device *dev = &pdev->dev;  in vc4_platform_drm_probe()
448 	component_master_del(&pdev->dev, &vc4_drm_ops);  in vc4_platform_drm_remove()
457 	{ .compatible = "brcm,bcm2711-vc5", },
458 	{ .compatible = "brcm,bcm2835-vc4", },
459 	{ .compatible = "brcm,cygnus-vc4", },
469 		.name	= "vc4-drm",
479 		return -ENODEV;  in vc4_drm_register()
504 MODULE_ALIAS("platform:vc4-drm");
505 MODULE_SOFTDEP("pre: snd-soc-hdmi-codec");