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
9 struct 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
20 static inline struct nvkm_subdev *
nv_subdev(void * obj)21 nv_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
30 static inline int
nv_subidx(struct nvkm_subdev * subdev)31 nv_subidx(struct nvkm_subdev *subdev)
32 {
33 return nv_hclass(subdev) & 0xff;
34 }
35
36 struct 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
42 int 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 **);
46 void nvkm_subdev_destroy(struct nvkm_subdev *);
47 int nvkm_subdev_init(struct nvkm_subdev *);
48 int nvkm_subdev_fini(struct nvkm_subdev *, bool suspend);
49 void nvkm_subdev_reset(struct nvkm_object *);
50
51 void _nvkm_subdev_dtor(struct nvkm_object *);
52 int _nvkm_subdev_init(struct nvkm_object *);
53 int _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
61 static inline u8
nv_rd08(void * obj,u32 addr)62 nv_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
70 static inline u16
nv_rd16(void * obj,u32 addr)71 nv_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
79 static inline u32
nv_rd32(void * obj,u32 addr)80 nv_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
88 static inline void
nv_wr08(void * obj,u32 addr,u8 data)89 nv_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
96 static inline void
nv_wr16(void * obj,u32 addr,u16 data)97 nv_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
104 static inline void
nv_wr32(void * obj,u32 addr,u32 data)105 nv_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
112 static inline u32
nv_mask(void * obj,u32 addr,u32 mask,u32 data)113 nv_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