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      1 /*	$NetBSD: pci.h,v 1.3 2021/12/18 23:45:33 riastradh Exp $	*/
      2 
      3 /* SPDX-License-Identifier: MIT */
      4 #ifndef __NVKM_PCI_H__
      5 #define __NVKM_PCI_H__
      6 #include <core/subdev.h>
      7 
      8 enum nvkm_pcie_speed {
      9 	NVKM_PCIE_SPEED_2_5,
     10 	NVKM_PCIE_SPEED_5_0,
     11 	NVKM_PCIE_SPEED_8_0,
     12 };
     13 
     14 struct nvkm_pci {
     15 	const struct nvkm_pci_func *func;
     16 	struct nvkm_subdev subdev;
     17 	struct pci_dev *pdev;
     18 #ifdef __NetBSD__
     19 	pci_intr_handle_t *pci_ihp;
     20 	void *pci_intrcookie;
     21 #else
     22 	int irq;
     23 #endif
     24 
     25 	struct {
     26 		struct agp_bridge_data *bridge;
     27 		u32 mode;
     28 		u64 base;
     29 		u64 size;
     30 		int mtrr;
     31 		bool cma;
     32 		bool acquired;
     33 	} agp;
     34 
     35 	struct {
     36 		enum nvkm_pcie_speed speed;
     37 		u8 width;
     38 	} pcie;
     39 
     40 	bool msi;
     41 };
     42 
     43 u32 nvkm_pci_rd32(struct nvkm_pci *, u16 addr);
     44 void nvkm_pci_wr08(struct nvkm_pci *, u16 addr, u8 data);
     45 void nvkm_pci_wr32(struct nvkm_pci *, u16 addr, u32 data);
     46 u32 nvkm_pci_mask(struct nvkm_pci *, u16 addr, u32 mask, u32 value);
     47 void nvkm_pci_rom_shadow(struct nvkm_pci *, bool shadow);
     48 
     49 int nv04_pci_new(struct nvkm_device *, int, struct nvkm_pci **);
     50 int nv40_pci_new(struct nvkm_device *, int, struct nvkm_pci **);
     51 int nv46_pci_new(struct nvkm_device *, int, struct nvkm_pci **);
     52 int nv4c_pci_new(struct nvkm_device *, int, struct nvkm_pci **);
     53 int g84_pci_new(struct nvkm_device *, int, struct nvkm_pci **);
     54 int g92_pci_new(struct nvkm_device *, int, struct nvkm_pci **);
     55 int g94_pci_new(struct nvkm_device *, int, struct nvkm_pci **);
     56 int gf100_pci_new(struct nvkm_device *, int, struct nvkm_pci **);
     57 int gf106_pci_new(struct nvkm_device *, int, struct nvkm_pci **);
     58 int gk104_pci_new(struct nvkm_device *, int, struct nvkm_pci **);
     59 int gp100_pci_new(struct nvkm_device *, int, struct nvkm_pci **);
     60 
     61 /* pcie functions */
     62 int nvkm_pcie_set_link(struct nvkm_pci *, enum nvkm_pcie_speed, u8 width);
     63 #endif
     64