xref: /netbsd-src/sys/external/bsd/drm2/dist/drm/nouveau/nvkm/subdev/pci/priv.h (revision 41ec02673d281bbb3d38e6c78504ce6e30c228c1)
1 /*	$NetBSD: priv.h,v 1.3 2021/12/18 23:45:41 riastradh Exp $	*/
2 
3 /* SPDX-License-Identifier: MIT */
4 #ifndef __NVKM_PCI_PRIV_H__
5 #define __NVKM_PCI_PRIV_H__
6 #define nvkm_pci(p) container_of((p), struct nvkm_pci, subdev)
7 #include <subdev/pci.h>
8 
9 int nvkm_pci_new_(const struct nvkm_pci_func *, struct nvkm_device *,
10 		  int index, struct nvkm_pci **);
11 
12 struct nvkm_pci_func {
13 	void (*init)(struct nvkm_pci *);
14 	u32 (*rd32)(struct nvkm_pci *, u16 addr);
15 	void (*wr08)(struct nvkm_pci *, u16 addr, u8 data);
16 	void (*wr32)(struct nvkm_pci *, u16 addr, u32 data);
17 	void (*msi_rearm)(struct nvkm_pci *);
18 
19 	struct {
20 		int (*init)(struct nvkm_pci *);
21 		int (*set_link)(struct nvkm_pci *, enum nvkm_pcie_speed, u8);
22 
23 		enum nvkm_pcie_speed (*max_speed)(struct nvkm_pci *);
24 		enum nvkm_pcie_speed (*cur_speed)(struct nvkm_pci *);
25 
26 		void (*set_version)(struct nvkm_pci *, u8);
27 		int (*version)(struct nvkm_pci *);
28 		int (*version_supported)(struct nvkm_pci *);
29 	} pcie;
30 };
31 
32 u32 nv40_pci_rd32(struct nvkm_pci *, u16);
33 void nv40_pci_wr08(struct nvkm_pci *, u16, u8);
34 void nv40_pci_wr32(struct nvkm_pci *, u16, u32);
35 void nv40_pci_msi_rearm(struct nvkm_pci *);
36 
37 void nv46_pci_msi_rearm(struct nvkm_pci *);
38 
39 void g84_pci_init(struct nvkm_pci *pci);
40 
41 /* pcie functions */
42 void g84_pcie_set_version(struct nvkm_pci *, u8);
43 int g84_pcie_version(struct nvkm_pci *);
44 void g84_pcie_set_link_speed(struct nvkm_pci *, enum nvkm_pcie_speed);
45 enum nvkm_pcie_speed g84_pcie_cur_speed(struct nvkm_pci *);
46 enum nvkm_pcie_speed g84_pcie_max_speed(struct nvkm_pci *);
47 int g84_pcie_init(struct nvkm_pci *);
48 int g84_pcie_set_link(struct nvkm_pci *, enum nvkm_pcie_speed, u8);
49 
50 int g92_pcie_version_supported(struct nvkm_pci *);
51 
52 void gf100_pcie_set_version(struct nvkm_pci *, u8);
53 int gf100_pcie_version(struct nvkm_pci *);
54 void gf100_pcie_set_cap_speed(struct nvkm_pci *, bool);
55 int gf100_pcie_cap_speed(struct nvkm_pci *);
56 int gf100_pcie_init(struct nvkm_pci *);
57 int gf100_pcie_set_link(struct nvkm_pci *, enum nvkm_pcie_speed, u8);
58 
59 int nvkm_pcie_oneinit(struct nvkm_pci *);
60 int nvkm_pcie_init(struct nvkm_pci *);
61 #endif
62