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

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