5  * DOC: Broadcom V3D Graphics Driver
7  * This driver supports the Broadcom V3D 3.3 and 4.1 OpenGL ES GPUs.
8  * For V3D 2.x support, see the VC4 driver.
10  * The V3D GPU includes a tiled render (composed of a bin and render
31 #define DRIVER_NAME "v3d"
32 #define DRIVER_DESC "Broadcom V3D graphics"
41 	struct v3d_dev *v3d = to_v3d_dev(dev);  in v3d_get_param_ioctl()  local
82 		args->value = v3d_has_csd(v3d);  in v3d_get_param_ioctl()
88 		args->value = (v3d->ver >= 40);  in v3d_get_param_ioctl()
102 	struct v3d_dev *v3d = to_v3d_dev(dev);  in v3d_open()  local
111 	v3d_priv->v3d = v3d;  in v3d_open()
114 		sched = &v3d->queue[i].sched;  in v3d_open()
189 	{ .compatible = "brcm,2711-v3d" },
190 	{ .compatible = "brcm,7268-v3d" },
191 	{ .compatible = "brcm,7278-v3d" },
197 map_regs(struct v3d_dev *v3d, void __iomem **regs, const char *name)  in map_regs()  argument
199 	*regs = devm_platform_ioremap_resource_byname(v3d_to_pdev(v3d), name);  in map_regs()
207 	struct v3d_dev *v3d;  in v3d_platform_drm_probe()  local
213 	v3d = devm_drm_dev_alloc(dev, &v3d_drm_driver, struct v3d_dev, drm);  in v3d_platform_drm_probe()
214 	if (IS_ERR(v3d))  in v3d_platform_drm_probe()
215 		return PTR_ERR(v3d);  in v3d_platform_drm_probe()
217 	drm = &v3d->drm;  in v3d_platform_drm_probe()
221 	ret = map_regs(v3d, &v3d->hub_regs, "hub");  in v3d_platform_drm_probe()
225 	ret = map_regs(v3d, &v3d->core_regs[0], "core0");  in v3d_platform_drm_probe()
229 	v3d->clk = devm_clk_get_optional(dev, NULL);  in v3d_platform_drm_probe()
230 	if (IS_ERR(v3d->clk))  in v3d_platform_drm_probe()
231 		return dev_err_probe(dev, PTR_ERR(v3d->clk), "Failed to get V3D clock\n");  in v3d_platform_drm_probe()
233 	ret = clk_prepare_enable(v3d->clk);  in v3d_platform_drm_probe()
235 		dev_err(&pdev->dev, "Couldn't enable the V3D clock\n");  in v3d_platform_drm_probe()
245 	v3d->va_width = 30 + V3D_GET_FIELD(mmu_debug, V3D_MMU_VA_WIDTH);  in v3d_platform_drm_probe()
248 	v3d->ver = (V3D_GET_FIELD(ident1, V3D_HUB_IDENT1_TVER) * 10 +  in v3d_platform_drm_probe()
250 	v3d->cores = V3D_GET_FIELD(ident1, V3D_HUB_IDENT1_NCORES);  in v3d_platform_drm_probe()
251 	WARN_ON(v3d->cores > 1); /* multicore not yet implemented */  in v3d_platform_drm_probe()
253 	v3d->reset = devm_reset_control_get_exclusive(dev, NULL);  in v3d_platform_drm_probe()
254 	if (IS_ERR(v3d->reset)) {  in v3d_platform_drm_probe()
255 		ret = PTR_ERR(v3d->reset);  in v3d_platform_drm_probe()
260 		v3d->reset = NULL;  in v3d_platform_drm_probe()
261 		ret = map_regs(v3d, &v3d->bridge_regs, "bridge");  in v3d_platform_drm_probe()
269 	if (v3d->ver < 41) {  in v3d_platform_drm_probe()
270 		ret = map_regs(v3d, &v3d->gca_regs, "gca");  in v3d_platform_drm_probe()
275 	v3d->mmu_scratch = dma_alloc_wc(dev, 4096, &v3d->mmu_scratch_paddr,  in v3d_platform_drm_probe()
277 	if (!v3d->mmu_scratch) {  in v3d_platform_drm_probe()
287 	ret = v3d_irq_init(v3d);  in v3d_platform_drm_probe()
298 	v3d_irq_disable(v3d);  in v3d_platform_drm_probe()
302 	dma_free_wc(dev, 4096, v3d->mmu_scratch, v3d->mmu_scratch_paddr);  in v3d_platform_drm_probe()
304 	clk_disable_unprepare(v3d->clk);  in v3d_platform_drm_probe()
311 	struct v3d_dev *v3d = to_v3d_dev(drm);  in v3d_platform_drm_remove()  local
317 	dma_free_wc(v3d->drm.dev, 4096, v3d->mmu_scratch,  in v3d_platform_drm_remove()
318 		    v3d->mmu_scratch_paddr);  in v3d_platform_drm_remove()
320 	clk_disable_unprepare(v3d->clk);  in v3d_platform_drm_remove()
327 		.name	= "v3d",
334 MODULE_ALIAS("platform:v3d-drm");
335 MODULE_DESCRIPTION("Broadcom V3D DRM Driver");