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/* SPDX-License-Identifier: GPL-2.0 */
#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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