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
34 #define DRIVER_NAME "v3d"
35 #define DRIVER_DESC "Broadcom V3D graphics"
45 	struct v3d_dev *v3d = to_v3d_dev(drm);  in v3d_runtime_suspend()  local
47 	v3d_irq_disable(v3d);  in v3d_runtime_suspend()
49 	clk_disable_unprepare(v3d->clk);  in v3d_runtime_suspend()
57 	struct v3d_dev *v3d = to_v3d_dev(drm);  in v3d_runtime_resume()  local
60 	ret = clk_prepare_enable(v3d->clk);  in v3d_runtime_resume()
66 	v3d_mmu_set_page_table(v3d);  in v3d_runtime_resume()
67 	v3d_irq_enable(v3d);  in v3d_runtime_resume()
80 	struct v3d_dev *v3d = to_v3d_dev(dev);  in v3d_get_param_ioctl()  local
108 		ret = pm_runtime_get_sync(v3d->drm.dev);  in v3d_get_param_ioctl()
117 		pm_runtime_mark_last_busy(v3d->drm.dev);  in v3d_get_param_ioctl()
118 		pm_runtime_put_autosuspend(v3d->drm.dev);  in v3d_get_param_ioctl()
128 		args->value = v3d_has_csd(v3d);  in v3d_get_param_ioctl()
142 	struct v3d_dev *v3d = to_v3d_dev(dev);  in v3d_open()  local
151 	v3d_priv->v3d = v3d;  in v3d_open()
154 		sched = &v3d->queue[i].sched;  in v3d_open()
228 	{ .compatible = "brcm,7268-v3d" },
229 	{ .compatible = "brcm,7278-v3d" },
235 map_regs(struct v3d_dev *v3d, void __iomem **regs, const char *name)  in map_regs()  argument
238 		platform_get_resource_byname(v3d_to_pdev(v3d), IORESOURCE_MEM, name);  in map_regs()
240 	*regs = devm_ioremap_resource(v3d->drm.dev, res);  in map_regs()
248 	struct v3d_dev *v3d;  in v3d_platform_drm_probe()  local
254 	v3d = devm_drm_dev_alloc(dev, &v3d_drm_driver, struct v3d_dev, drm);  in v3d_platform_drm_probe()
255 	if (IS_ERR(v3d))  in v3d_platform_drm_probe()
256 		return PTR_ERR(v3d);  in v3d_platform_drm_probe()
258 	drm = &v3d->drm;  in v3d_platform_drm_probe()
262 	ret = map_regs(v3d, &v3d->hub_regs, "hub");  in v3d_platform_drm_probe()
266 	ret = map_regs(v3d, &v3d->core_regs[0], "core0");  in v3d_platform_drm_probe()
273 	v3d->va_width = 30 + V3D_GET_FIELD(mmu_debug, V3D_MMU_VA_WIDTH);  in v3d_platform_drm_probe()
276 	v3d->ver = (V3D_GET_FIELD(ident1, V3D_HUB_IDENT1_TVER) * 10 +  in v3d_platform_drm_probe()
278 	v3d->cores = V3D_GET_FIELD(ident1, V3D_HUB_IDENT1_NCORES);  in v3d_platform_drm_probe()
279 	WARN_ON(v3d->cores > 1); /* multicore not yet implemented */  in v3d_platform_drm_probe()
281 	v3d->reset = devm_reset_control_get_exclusive(dev, NULL);  in v3d_platform_drm_probe()
282 	if (IS_ERR(v3d->reset)) {  in v3d_platform_drm_probe()
283 		ret = PTR_ERR(v3d->reset);  in v3d_platform_drm_probe()
288 		v3d->reset = NULL;  in v3d_platform_drm_probe()
289 		ret = map_regs(v3d, &v3d->bridge_regs, "bridge");  in v3d_platform_drm_probe()
297 	if (v3d->ver < 41) {  in v3d_platform_drm_probe()
298 		ret = map_regs(v3d, &v3d->gca_regs, "gca");  in v3d_platform_drm_probe()
303 	v3d->mmu_scratch = dma_alloc_wc(dev, 4096, &v3d->mmu_scratch_paddr,  in v3d_platform_drm_probe()
305 	if (!v3d->mmu_scratch) {  in v3d_platform_drm_probe()
318 	ret = v3d_irq_init(v3d);  in v3d_platform_drm_probe()
329 	v3d_irq_disable(v3d);  in v3d_platform_drm_probe()
333 	dma_free_wc(dev, 4096, v3d->mmu_scratch, v3d->mmu_scratch_paddr);  in v3d_platform_drm_probe()
340 	struct v3d_dev *v3d = to_v3d_dev(drm);  in v3d_platform_drm_remove()  local
346 	dma_free_wc(v3d->drm.dev, 4096, v3d->mmu_scratch,  in v3d_platform_drm_remove()
347 		    v3d->mmu_scratch_paddr);  in v3d_platform_drm_remove()
356 		.name	= "v3d",
363 MODULE_ALIAS("platform:v3d-drm");
364 MODULE_DESCRIPTION("Broadcom V3D DRM Driver");