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

   1/* SPDX-License-Identifier: MIT */
   2#ifndef __NVKM_PCI_PRIV_H__
   3#define __NVKM_PCI_PRIV_H__
   4#define nvkm_pci(p) container_of((p), struct nvkm_pci, subdev)
   5#include <subdev/pci.h>
   6
   7int nvkm_pci_new_(const struct nvkm_pci_func *, struct nvkm_device *,
   8                  int index, struct nvkm_pci **);
   9
  10struct nvkm_pci_func {
  11        void (*init)(struct nvkm_pci *);
  12        u32 (*rd32)(struct nvkm_pci *, u16 addr);
  13        void (*wr08)(struct nvkm_pci *, u16 addr, u8 data);
  14        void (*wr32)(struct nvkm_pci *, u16 addr, u32 data);
  15        void (*msi_rearm)(struct nvkm_pci *);
  16
  17        struct {
  18                int (*init)(struct nvkm_pci *);
  19                int (*set_link)(struct nvkm_pci *, enum nvkm_pcie_speed, u8);
  20
  21                enum nvkm_pcie_speed (*max_speed)(struct nvkm_pci *);
  22                enum nvkm_pcie_speed (*cur_speed)(struct nvkm_pci *);
  23
  24                void (*set_version)(struct nvkm_pci *, u8);
  25                int (*version)(struct nvkm_pci *);
  26                int (*version_supported)(struct nvkm_pci *);
  27        } pcie;
  28};
  29
  30u32 nv40_pci_rd32(struct nvkm_pci *, u16);
  31void nv40_pci_wr08(struct nvkm_pci *, u16, u8);
  32void nv40_pci_wr32(struct nvkm_pci *, u16, u32);
  33void nv40_pci_msi_rearm(struct nvkm_pci *);
  34
  35void nv46_pci_msi_rearm(struct nvkm_pci *);
  36
  37void g84_pci_init(struct nvkm_pci *pci);
  38
  39/* pcie functions */
  40void g84_pcie_set_version(struct nvkm_pci *, u8);
  41int g84_pcie_version(struct nvkm_pci *);
  42void g84_pcie_set_link_speed(struct nvkm_pci *, enum nvkm_pcie_speed);
  43enum nvkm_pcie_speed g84_pcie_cur_speed(struct nvkm_pci *);
  44enum nvkm_pcie_speed g84_pcie_max_speed(struct nvkm_pci *);
  45int g84_pcie_init(struct nvkm_pci *);
  46int g84_pcie_set_link(struct nvkm_pci *, enum nvkm_pcie_speed, u8);
  47
  48int g92_pcie_version_supported(struct nvkm_pci *);
  49
  50void gf100_pcie_set_version(struct nvkm_pci *, u8);
  51int gf100_pcie_version(struct nvkm_pci *);
  52void gf100_pcie_set_cap_speed(struct nvkm_pci *, bool);
  53int gf100_pcie_cap_speed(struct nvkm_pci *);
  54int gf100_pcie_init(struct nvkm_pci *);
  55int gf100_pcie_set_link(struct nvkm_pci *, enum nvkm_pcie_speed, u8);
  56
  57int nvkm_pcie_oneinit(struct nvkm_pci *);
  58int nvkm_pcie_init(struct nvkm_pci *);
  59#endif
  60