Release 4.12 drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h

#ifndef __NVKM_DEVICE_TEGRA_H__

#define __NVKM_DEVICE_TEGRA_H__
#include <core/device.h>
#include <core/mm.h>


struct nvkm_device_tegra {
	
const struct nvkm_device_tegra_func *func;
	
struct nvkm_device device;
	
struct platform_device *pdev;
	
int irq;

	
struct reset_control *rst;
	
struct clk *clk;
	
struct clk *clk_ref;
	
struct clk *clk_pwr;

	
struct regulator *vdd;

	struct {
		/*
                 * Protects accesses to mm from subsystems
                 */
		
struct mutex mutex;

		
struct nvkm_mm mm;
		
struct iommu_domain *domain;
		
unsigned long pgshift;
	
} iommu;

	
int gpu_speedo;
	
int gpu_speedo_id;
};


struct nvkm_device_tegra_func {
	/*
         * If an IOMMU is used, indicates which address bit will trigger a
         * IOMMU translation when set (when this bit is not set, IOMMU is
         * bypassed). A value of 0 means an IOMMU is never used.
         */
	
u8 iommu_bit;
	/*
         * Whether the chip requires a reference clock
         */
	
bool require_ref_clk;
	/*
         * Whether the chip requires the VDD regulator
         */
	
bool require_vdd;
};

int nvkm_device_tegra_new(const struct nvkm_device_tegra_func *,
			  struct platform_device *,
			  const char *cfg, const char *dbg,
			  bool detect, bool mmio, u64 subdev_mask,
			  struct nvkm_device **);
#endif
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Directory: drivers/gpu/drm/nouveau/include/nvkm/core

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