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

   1/* SPDX-License-Identifier: MIT */
   2#ifndef __NVKM_PCI_H__
   3#define __NVKM_PCI_H__
   4#include <core/subdev.h>
   5
   6enum nvkm_pcie_speed {
   7        NVKM_PCIE_SPEED_2_5,
   8        NVKM_PCIE_SPEED_5_0,
   9        NVKM_PCIE_SPEED_8_0,
  10};
  11
  12struct nvkm_pci {
  13        const struct nvkm_pci_func *func;
  14        struct nvkm_subdev subdev;
  15        struct pci_dev *pdev;
  16        int irq;
  17
  18        struct {
  19                struct agp_bridge_data *bridge;
  20                u32 mode;
  21                u64 base;
  22                u64 size;
  23                int mtrr;
  24                bool cma;
  25                bool acquired;
  26        } agp;
  27
  28        struct {
  29                enum nvkm_pcie_speed speed;
  30                u8 width;
  31        } pcie;
  32
  33        bool msi;
  34};
  35
  36u32 nvkm_pci_rd32(struct nvkm_pci *, u16 addr);
  37void nvkm_pci_wr08(struct nvkm_pci *, u16 addr, u8 data);
  38void nvkm_pci_wr32(struct nvkm_pci *, u16 addr, u32 data);
  39u32 nvkm_pci_mask(struct nvkm_pci *, u16 addr, u32 mask, u32 value);
  40void nvkm_pci_rom_shadow(struct nvkm_pci *, bool shadow);
  41
  42int nv04_pci_new(struct nvkm_device *, int, struct nvkm_pci **);
  43int nv40_pci_new(struct nvkm_device *, int, struct nvkm_pci **);
  44int nv46_pci_new(struct nvkm_device *, int, struct nvkm_pci **);
  45int nv4c_pci_new(struct nvkm_device *, int, struct nvkm_pci **);
  46int g84_pci_new(struct nvkm_device *, int, struct nvkm_pci **);
  47int g92_pci_new(struct nvkm_device *, int, struct nvkm_pci **);
  48int g94_pci_new(struct nvkm_device *, int, struct nvkm_pci **);
  49int gf100_pci_new(struct nvkm_device *, int, struct nvkm_pci **);
  50int gf106_pci_new(struct nvkm_device *, int, struct nvkm_pci **);
  51int gk104_pci_new(struct nvkm_device *, int, struct nvkm_pci **);
  52int gp100_pci_new(struct nvkm_device *, int, struct nvkm_pci **);
  53
  54/* pcie functions */
  55int nvkm_pcie_set_link(struct nvkm_pci *, enum nvkm_pcie_speed, u8 width);
  56#endif
  57