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

enum nvkm_pcie_speed {
        NVKM_PCIE_SPEED_2_5,
        NVKM_PCIE_SPEED_5_0,
        NVKM_PCIE_SPEED_8_0,
};

struct nvkm_pci {
        const struct nvkm_pci_func *func;
        struct nvkm_subdev subdev;
        struct pci_dev *pdev;

        struct {
                struct agp_bridge_data *bridge;
                u32 mode;
                u64 base;
                u64 size;
                int mtrr;
                bool cma;
                bool acquired;
        } agp;

        struct {
                enum nvkm_pcie_speed speed;
                u8 width;
        } pcie;

        bool msi;
};

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 **);
int gh100_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