1 #ifndef __NVKM_DEVICE_TEGRA_H__
2 #define __NVKM_DEVICE_TEGRA_H__
3 #include <core/device.h>
4 #include <core/mm.h>
5 
6 struct nvkm_device_tegra {
7 	const struct nvkm_device_tegra_func *func;
8 	struct nvkm_device device;
9 	struct platform_device *pdev;
10 	int irq;
11 
12 	struct reset_control *rst;
13 	struct clk *clk;
14 	struct clk *clk_pwr;
15 
16 	struct regulator *vdd;
17 
18 	struct {
19 		/*
20 		 * Protects accesses to mm from subsystems
21 		 */
22 		struct mutex mutex;
23 
24 		struct nvkm_mm mm;
25 		struct iommu_domain *domain;
26 		unsigned long pgshift;
27 	} iommu;
28 
29 	int gpu_speedo;
30 };
31 
32 struct nvkm_device_tegra_func {
33 	/*
34 	 * If an IOMMU is used, indicates which address bit will trigger a
35 	 * IOMMU translation when set (when this bit is not set, IOMMU is
36 	 * bypassed). A value of 0 means an IOMMU is never used.
37 	 */
38 	u8 iommu_bit;
39 };
40 
41 int nvkm_device_tegra_new(const struct nvkm_device_tegra_func *,
42 			  struct platform_device *,
43 			  const char *cfg, const char *dbg,
44 			  bool detect, bool mmio, u64 subdev_mask,
45 			  struct nvkm_device **);
46 #endif
47