1#ifndef __NOUVEAU_SUBDEV_H__
2#define __NOUVEAU_SUBDEV_H__
3
4#include <core/object.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 nouveau_subdev {
10 struct nouveau_object base;
11 struct mutex mutex;
12 const char *name;
13#ifdef __NetBSD__
14 bus_space_tag_t mmiot;
15 bus_space_handle_t mmioh;
16 bus_size_t mmiosz;
17#else
18 void __iomem *mmio;
19#endif
20 u32 debug;
21 u32 unit;
22
23 void (*intr)(struct nouveau_subdev *);
24};
25
26static inline struct nouveau_subdev *
27nv_subdev(void *obj)
28{
29#if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
30 if (unlikely(!nv_iclass(obj, NV_SUBDEV_CLASS)))
31 nv_assert("BAD CAST -> NvSubDev, %08x", nv_hclass(obj));
32#endif
33 return obj;
34}
35
36static inline int
37nv_subidx(struct nouveau_object *object)
38{
39 return nv_hclass(nv_subdev(object)) & 0xff;
40}
41
42#define nouveau_subdev_create(p,e,o,v,s,f,d) \
43 nouveau_subdev_create_((p), (e), (o), (v), (s), (f), \
44 sizeof(**d),(void **)d)
45
46int nouveau_subdev_create_(struct nouveau_object *, struct nouveau_object *,
47 struct nouveau_oclass *, u32 pclass,
48 const char *sname, const char *fname,
49 int size, void **);
50void nouveau_subdev_destroy(struct nouveau_subdev *);
51int nouveau_subdev_init(struct nouveau_subdev *);
52int nouveau_subdev_fini(struct nouveau_subdev *, bool suspend);
53void nouveau_subdev_reset(struct nouveau_object *);
54
55void _nouveau_subdev_dtor(struct nouveau_object *);
56int _nouveau_subdev_init(struct nouveau_object *);
57int _nouveau_subdev_fini(struct nouveau_object *, bool suspend);
58
59#define s_printk(s,l,f,a...) do { \
60 if ((s)->debug >= OS_DBG_##l) { \
61 nv_printk((s)->base.parent, (s)->name, l, f, ##a); \
62 } \
63} while(0)
64
65static inline u8
66nv_rd08(void *obj, u32 addr)
67{
68 struct nouveau_subdev *subdev = nv_subdev(obj);
69#ifdef __NetBSD__
70 u8 data = bus_space_read_stream_1(subdev->mmiot, subdev->mmioh, addr);
71#else
72 u8 data = ioread8(subdev->mmio + addr);
73#endif
74 nv_spam(subdev, "nv_rd08 0x%06x 0x%02x\n", addr, data);
75 return data;
76}
77
78static inline u16
79nv_rd16(void *obj, u32 addr)
80{
81 struct nouveau_subdev *subdev = nv_subdev(obj);
82#ifdef __NetBSD__
83 u16 data = bus_space_read_stream_2(subdev->mmiot, subdev->mmioh, addr);
84#else
85 u16 data = ioread16_native(subdev->mmio + addr);
86#endif
87 nv_spam(subdev, "nv_rd16 0x%06x 0x%04x\n", addr, data);
88 return data;
89}
90
91static inline u32
92nv_rd32(void *obj, u32 addr)
93{
94 struct nouveau_subdev *subdev = nv_subdev(obj);
95#ifdef __NetBSD__
96 u32 data = bus_space_read_stream_4(subdev->mmiot, subdev->mmioh, addr);
97#else
98 u32 data = ioread32_native(subdev->mmio + addr);
99#endif
100 nv_spam(subdev, "nv_rd32 0x%06x 0x%08x\n", addr, data);
101 return data;
102}
103
104static inline void
105nv_wr08(void *obj, u32 addr, u8 data)
106{
107 struct nouveau_subdev *subdev = nv_subdev(obj);
108 nv_spam(subdev, "nv_wr08 0x%06x 0x%02x\n", addr, data);
109#ifdef __NetBSD__
110 bus_space_write_stream_1(subdev->mmiot, subdev->mmioh, addr, data);
111#else
112 iowrite8(data, subdev->mmio + addr);
113#endif
114}
115
116static inline void
117nv_wr16(void *obj, u32 addr, u16 data)
118{
119 struct nouveau_subdev *subdev = nv_subdev(obj);
120 nv_spam(subdev, "nv_wr16 0x%06x 0x%04x\n", addr, data);
121#ifdef __NetBSD__
122 bus_space_write_stream_2(subdev->mmiot, subdev->mmioh, addr, data);
123#else
124 iowrite16_native(data, subdev->mmio + addr);
125#endif
126}
127
128static inline void
129nv_wr32(void *obj, u32 addr, u32 data)
130{
131 struct nouveau_subdev *subdev = nv_subdev(obj);
132 nv_spam(subdev, "nv_wr32 0x%06x 0x%08x\n", addr, data);
133#ifdef __NetBSD__
134 bus_space_write_stream_4(subdev->mmiot, subdev->mmioh, addr, data);
135#else
136 iowrite32_native(data, subdev->mmio + addr);
137#endif
138}
139
140static inline u32
141nv_mask(void *obj, u32 addr, u32 mask, u32 data)
142{
143 u32 temp = nv_rd32(obj, addr);
144 nv_wr32(obj, addr, (temp & ~mask) | data);
145 return temp;
146}
147
148#endif
149