1#ifndef __NVKM_SUBDEV_H__
2#define __NVKM_SUBDEV_H__
3#include <core/object.h>
4#include <core/devidx.h>
5
6#define NV_SUBDEV_(sub,var) (NV_SUBDEV_CLASS | ((var) << 8) | (sub))
7#define NV_SUBDEV(name,var)  NV_SUBDEV_(NVDEV_SUBDEV_##name, (var))
8
9struct nvkm_subdev {
10	struct nvkm_object object;
11	struct mutex mutex;
12	const char *name;
13	void __iomem *mmio;
14	u32 debug;
15	u32 unit;
16
17	void (*intr)(struct nvkm_subdev *);
18};
19
20static inline struct nvkm_subdev *
21nv_subdev(void *obj)
22{
23#if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
24	if (unlikely(!nv_iclass(obj, NV_SUBDEV_CLASS)))
25		nv_assert("BAD CAST -> NvSubDev, %08x", nv_hclass(obj));
26#endif
27	return obj;
28}
29
30static inline int
31nv_subidx(struct nvkm_subdev *subdev)
32{
33	return nv_hclass(subdev) & 0xff;
34}
35
36struct nvkm_subdev *nvkm_subdev(void *obj, int idx);
37
38#define nvkm_subdev_create(p,e,o,v,s,f,d)                                   \
39	nvkm_subdev_create_((p), (e), (o), (v), (s), (f),                   \
40			       sizeof(**d),(void **)d)
41
42int  nvkm_subdev_create_(struct nvkm_object *, struct nvkm_object *,
43			    struct nvkm_oclass *, u32 pclass,
44			    const char *sname, const char *fname,
45			    int size, void **);
46void nvkm_subdev_destroy(struct nvkm_subdev *);
47int  nvkm_subdev_init(struct nvkm_subdev *);
48int  nvkm_subdev_fini(struct nvkm_subdev *, bool suspend);
49void nvkm_subdev_reset(struct nvkm_object *);
50
51void _nvkm_subdev_dtor(struct nvkm_object *);
52int  _nvkm_subdev_init(struct nvkm_object *);
53int  _nvkm_subdev_fini(struct nvkm_object *, bool suspend);
54
55#define s_printk(s,l,f,a...) do {                                              \
56	if ((s)->debug >= OS_DBG_##l) {                                        \
57		nv_printk((s)->base.parent, (s)->name, l, f, ##a);             \
58	}                                                                      \
59} while(0)
60
61static inline u8
62nv_rd08(void *obj, u32 addr)
63{
64	struct nvkm_subdev *subdev = nv_subdev(obj);
65	u8 data = ioread8(subdev->mmio + addr);
66	nv_spam(subdev, "nv_rd08 0x%06x 0x%02x\n", addr, data);
67	return data;
68}
69
70static inline u16
71nv_rd16(void *obj, u32 addr)
72{
73	struct nvkm_subdev *subdev = nv_subdev(obj);
74	u16 data = ioread16_native(subdev->mmio + addr);
75	nv_spam(subdev, "nv_rd16 0x%06x 0x%04x\n", addr, data);
76	return data;
77}
78
79static inline u32
80nv_rd32(void *obj, u32 addr)
81{
82	struct nvkm_subdev *subdev = nv_subdev(obj);
83	u32 data = ioread32_native(subdev->mmio + addr);
84	nv_spam(subdev, "nv_rd32 0x%06x 0x%08x\n", addr, data);
85	return data;
86}
87
88static inline void
89nv_wr08(void *obj, u32 addr, u8 data)
90{
91	struct nvkm_subdev *subdev = nv_subdev(obj);
92	nv_spam(subdev, "nv_wr08 0x%06x 0x%02x\n", addr, data);
93	iowrite8(data, subdev->mmio + addr);
94}
95
96static inline void
97nv_wr16(void *obj, u32 addr, u16 data)
98{
99	struct nvkm_subdev *subdev = nv_subdev(obj);
100	nv_spam(subdev, "nv_wr16 0x%06x 0x%04x\n", addr, data);
101	iowrite16_native(data, subdev->mmio + addr);
102}
103
104static inline void
105nv_wr32(void *obj, u32 addr, u32 data)
106{
107	struct nvkm_subdev *subdev = nv_subdev(obj);
108	nv_spam(subdev, "nv_wr32 0x%06x 0x%08x\n", addr, data);
109	iowrite32_native(data, subdev->mmio + addr);
110}
111
112static inline u32
113nv_mask(void *obj, u32 addr, u32 mask, u32 data)
114{
115	u32 temp = nv_rd32(obj, addr);
116	nv_wr32(obj, addr, (temp & ~mask) | data);
117	return temp;
118}
119#endif
120