25 #include "vde.h"
30 void tegra_vde_writel(struct tegra_vde *vde, u32 value,  in tegra_vde_writel()  argument
33 	trace_vde_writel(vde, base, offset, value);  in tegra_vde_writel()
38 u32 tegra_vde_readl(struct tegra_vde *vde, void __iomem *base, u32 offset)  in tegra_vde_readl()  argument
42 	trace_vde_readl(vde, base, offset, value);  in tegra_vde_readl()
47 void tegra_vde_set_bits(struct tegra_vde *vde, u32 mask,  in tegra_vde_set_bits()  argument
50 	u32 value = tegra_vde_readl(vde, base, offset);  in tegra_vde_set_bits()
52 	tegra_vde_writel(vde, value | mask, base, offset);  in tegra_vde_set_bits()
55 int tegra_vde_alloc_bo(struct tegra_vde *vde,  in tegra_vde_alloc_bo()  argument
60 	struct device *dev = vde->dev;  in tegra_vde_alloc_bo()
68 	bo->vde = vde;  in tegra_vde_alloc_bo()
74 	if (!vde->domain)  in tegra_vde_alloc_bo()
99 	if (vde->domain) {  in tegra_vde_alloc_bo()
100 		err = tegra_vde_iommu_map(vde, &bo->sgt, &bo->iova, bo->size);  in tegra_vde_alloc_bo()
106 		bo->dma_addr = iova_dma_addr(&vde->iova, bo->iova);  in tegra_vde_alloc_bo()
130 	struct tegra_vde *vde = bo->vde;  in tegra_vde_free_bo()  local
131 	struct device *dev = vde->dev;  in tegra_vde_free_bo()
133 	if (vde->domain)  in tegra_vde_free_bo()
134 		tegra_vde_iommu_unmap(vde, bo->iova);  in tegra_vde_free_bo()
147 	struct tegra_vde *vde = data;  in tegra_vde_isr()  local
149 	if (completion_done(&vde->decode_completion))  in tegra_vde_isr()
152 	tegra_vde_set_bits(vde, 0, vde->frameid, 0x208);  in tegra_vde_isr()
153 	complete(&vde->decode_completion);  in tegra_vde_isr()
160 	struct tegra_vde *vde = dev_get_drvdata(dev);  in tegra_vde_runtime_suspend()  local
171 	clk_disable_unprepare(vde->clk);  in tegra_vde_runtime_suspend()
172 	reset_control_release(vde->rst);  in tegra_vde_runtime_suspend()
173 	reset_control_release(vde->rst_mc);  in tegra_vde_runtime_suspend()
180 	struct tegra_vde *vde = dev_get_drvdata(dev);  in tegra_vde_runtime_resume()  local
183 	err = reset_control_acquire(vde->rst_mc);  in tegra_vde_runtime_resume()
189 	err = reset_control_acquire(vde->rst);  in tegra_vde_runtime_resume()
197 							vde->clk, vde->rst);  in tegra_vde_runtime_resume()
207 		err = clk_prepare_enable(vde->clk);  in tegra_vde_runtime_resume()
217 	reset_control_release(vde->rst);  in tegra_vde_runtime_resume()
219 	reset_control_release(vde->rst_mc);  in tegra_vde_runtime_resume()
227 	struct tegra_vde *vde;  in tegra_vde_probe()  local
230 	vde = devm_kzalloc(dev, sizeof(*vde), GFP_KERNEL);  in tegra_vde_probe()
231 	if (!vde)  in tegra_vde_probe()
234 	platform_set_drvdata(pdev, vde);  in tegra_vde_probe()
236 	vde->soc = of_device_get_match_data(&pdev->dev);  in tegra_vde_probe()
237 	vde->dev = dev;  in tegra_vde_probe()
239 	vde->sxe = devm_platform_ioremap_resource_byname(pdev, "sxe");  in tegra_vde_probe()
240 	if (IS_ERR(vde->sxe))  in tegra_vde_probe()
241 		return PTR_ERR(vde->sxe);  in tegra_vde_probe()
243 	vde->bsev = devm_platform_ioremap_resource_byname(pdev, "bsev");  in tegra_vde_probe()
244 	if (IS_ERR(vde->bsev))  in tegra_vde_probe()
245 		return PTR_ERR(vde->bsev);  in tegra_vde_probe()
247 	vde->mbe = devm_platform_ioremap_resource_byname(pdev, "mbe");  in tegra_vde_probe()
248 	if (IS_ERR(vde->mbe))  in tegra_vde_probe()
249 		return PTR_ERR(vde->mbe);  in tegra_vde_probe()
251 	vde->ppe = devm_platform_ioremap_resource_byname(pdev, "ppe");  in tegra_vde_probe()
252 	if (IS_ERR(vde->ppe))  in tegra_vde_probe()
253 		return PTR_ERR(vde->ppe);  in tegra_vde_probe()
255 	vde->mce = devm_platform_ioremap_resource_byname(pdev, "mce");  in tegra_vde_probe()
256 	if (IS_ERR(vde->mce))  in tegra_vde_probe()
257 		return PTR_ERR(vde->mce);  in tegra_vde_probe()
259 	vde->tfe = devm_platform_ioremap_resource_byname(pdev, "tfe");  in tegra_vde_probe()
260 	if (IS_ERR(vde->tfe))  in tegra_vde_probe()
261 		return PTR_ERR(vde->tfe);  in tegra_vde_probe()
263 	vde->ppb = devm_platform_ioremap_resource_byname(pdev, "ppb");  in tegra_vde_probe()
264 	if (IS_ERR(vde->ppb))  in tegra_vde_probe()
265 		return PTR_ERR(vde->ppb);  in tegra_vde_probe()
267 	vde->vdma = devm_platform_ioremap_resource_byname(pdev, "vdma");  in tegra_vde_probe()
268 	if (IS_ERR(vde->vdma))  in tegra_vde_probe()
269 		return PTR_ERR(vde->vdma);  in tegra_vde_probe()
271 	vde->frameid = devm_platform_ioremap_resource_byname(pdev, "frameid");  in tegra_vde_probe()
272 	if (IS_ERR(vde->frameid))  in tegra_vde_probe()
273 		return PTR_ERR(vde->frameid);  in tegra_vde_probe()
275 	vde->clk = devm_clk_get(dev, NULL);  in tegra_vde_probe()
276 	if (IS_ERR(vde->clk)) {  in tegra_vde_probe()
277 		err = PTR_ERR(vde->clk);  in tegra_vde_probe()
278 		dev_err(dev, "Could not get VDE clk %d\n", err);  in tegra_vde_probe()
282 	vde->rst = devm_reset_control_get_exclusive_released(dev, NULL);  in tegra_vde_probe()
283 	if (IS_ERR(vde->rst)) {  in tegra_vde_probe()
284 		err = PTR_ERR(vde->rst);  in tegra_vde_probe()
285 		dev_err(dev, "Could not get VDE reset %d\n", err);  in tegra_vde_probe()
289 	vde->rst_mc = devm_reset_control_get_optional_exclusive_released(dev, "mc");  in tegra_vde_probe()
290 	if (IS_ERR(vde->rst_mc)) {  in tegra_vde_probe()
291 		err = PTR_ERR(vde->rst_mc);  in tegra_vde_probe()
301 			       dev_name(dev), vde);  in tegra_vde_probe()
313 	vde->iram_pool = of_gen_pool_get(dev->of_node, "iram", 0);  in tegra_vde_probe()
314 	if (!vde->iram_pool) {  in tegra_vde_probe()
319 	vde->iram = gen_pool_dma_alloc(vde->iram_pool,  in tegra_vde_probe()
320 				       gen_pool_size(vde->iram_pool),  in tegra_vde_probe()
321 				       &vde->iram_lists_addr);  in tegra_vde_probe()
322 	if (!vde->iram) {  in tegra_vde_probe()
327 	INIT_LIST_HEAD(&vde->map_list);  in tegra_vde_probe()
328 	mutex_init(&vde->map_lock);  in tegra_vde_probe()
329 	mutex_init(&vde->lock);  in tegra_vde_probe()
330 	init_completion(&vde->decode_completion);  in tegra_vde_probe()
332 	err = tegra_vde_iommu_init(vde);  in tegra_vde_probe()
343 	 * VDE partition may be left ON after bootloader, hence let's  in tegra_vde_probe()
353 	err = tegra_vde_alloc_bo(vde, &vde->secure_bo, DMA_FROM_DEVICE, 4096);  in tegra_vde_probe()
359 	err = tegra_vde_v4l2_init(vde);  in tegra_vde_probe()
368 	tegra_vde_free_bo(vde->secure_bo);  in tegra_vde_probe()
373 	tegra_vde_iommu_deinit(vde);  in tegra_vde_probe()
376 	gen_pool_free(vde->iram_pool, (unsigned long)vde->iram,  in tegra_vde_probe()
377 		      gen_pool_size(vde->iram_pool));  in tegra_vde_probe()
384 	struct tegra_vde *vde = platform_get_drvdata(pdev);  in tegra_vde_remove()  local
387 	tegra_vde_v4l2_deinit(vde);  in tegra_vde_remove()
388 	tegra_vde_free_bo(vde->secure_bo);  in tegra_vde_remove()
400 	 * Balance RPM state, the VDE power domain is left ON and hardware  in tegra_vde_remove()
404 	clk_disable_unprepare(vde->clk);  in tegra_vde_remove()
406 	tegra_vde_dmabuf_cache_unmap_all(vde);  in tegra_vde_remove()
407 	tegra_vde_iommu_deinit(vde);  in tegra_vde_remove()
409 	gen_pool_free(vde->iram_pool, (unsigned long)vde->iram,  in tegra_vde_remove()
410 		      gen_pool_size(vde->iram_pool));  in tegra_vde_remove()
416 	 * On some devices bootloader isn't ready to a power-gated VDE on  in tegra_vde_shutdown()
424 	struct tegra_vde *vde = dev_get_drvdata(dev);  in tegra_vde_pm_suspend()  local
427 	mutex_lock(&vde->lock);  in tegra_vde_pm_suspend()
438 	struct tegra_vde *vde = dev_get_drvdata(dev);  in tegra_vde_pm_resume()  local
445 	mutex_unlock(&vde->lock);  in tegra_vde_pm_resume()
528 	{ .compatible = "nvidia,tegra124-vde", .data = &tegra124_vde_soc },
529 	{ .compatible = "nvidia,tegra114-vde", .data = &tegra114_vde_soc },
530 	{ .compatible = "nvidia,tegra30-vde", .data = &tegra30_vde_soc },
531 	{ .compatible = "nvidia,tegra20-vde", .data = &tegra20_vde_soc },
541 		.name		= "tegra-vde",