linux/drivers/gpu/drm/nouveau/include/nvkm/subdev/pci.h

/* SPDX-License-Identifier: MIT */
#ifndef __NVKM_PCI_H__
#define __NVKM_PCI_H__
#include <core/subdev.h>

enum nvkm_pcie_speed { … };

struct nvkm_pci { … };

u32 nvkm_pci_rd32(struct nvkm_pci *, u16 addr);
void nvkm_pci_wr08(struct nvkm_pci *, u16 addr, u8 data);
void nvkm_pci_wr32(struct nvkm_pci *, u16 addr, u32 data);
u32 nvkm_pci_mask(struct nvkm_pci *, u16 addr, u32 mask, u32 value);
void nvkm_pci_rom_shadow(struct nvkm_pci *, bool shadow);
void nvkm_pci_msi_rearm(struct nvkm_device *);

int nv04_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);
int nv40_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);
int nv46_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);
int nv4c_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);
int g84_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);
int g92_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);
int g94_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);
int gf100_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);
int gf106_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);
int gk104_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);
int gp100_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);

/* pcie functions */
int nvkm_pcie_set_link(struct nvkm_pci *, enum nvkm_pcie_speed, u8 width);
#endif