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