1 #ifndef __NVIF_DEVICE_H__
2 #define __NVIF_DEVICE_H__
3 
4 #include <nvif/object.h>
5 #include <nvif/class.h>
6 
7 struct nvif_device {
8 	struct nvif_object base;
9 	struct nvif_object *object; /*XXX: hack for nvif_object() */
10 	struct nv_device_info_v0 info;
11 };
12 
13 static inline struct nvif_device *
14 nvif_device(struct nvif_object *object)
15 {
16 	while (object && object->oclass != 0x0080 /*XXX: NV_DEVICE_CLASS*/ )
17 		object = object->parent;
18 	return (void *)object;
19 }
20 
21 int  nvif_device_init(struct nvif_object *, void (*dtor)(struct nvif_device *),
22 		      u32 handle, u32 oclass, void *, u32,
23 		      struct nvif_device *);
24 void nvif_device_fini(struct nvif_device *);
25 int  nvif_device_new(struct nvif_object *, u32 handle, u32 oclass,
26 		     void *, u32, struct nvif_device **);
27 void nvif_device_ref(struct nvif_device *, struct nvif_device **);
28 u64  nvif_device_time(struct nvif_device *);
29 
30 /* Delay based on GPU time (ie. PTIMER).
31  *
32  * Will return -ETIMEDOUT unless the loop was terminated with 'break',
33  * where it will return the number of nanoseconds taken instead.
34  */
35 #define nvif_nsec(d,n,cond...) ({                                              \
36 	struct nvif_device *_device = (d);                                     \
37 	u64 _nsecs = (n), _time0 = nvif_device_time(_device);                  \
38 	s64 _taken = 0;                                                        \
39                                                                                \
40 	do {                                                                   \
41 		cond                                                           \
42 	} while (_taken = nvif_device_time(_device) - _time0, _taken < _nsecs);\
43                                                                                \
44 	if (_taken >= _nsecs)                                                  \
45 		_taken = -ETIMEDOUT;                                           \
46 	_taken;                                                                \
47 })
48 #define nvif_usec(d,u,cond...) nvif_nsec((d), (u) * 1000, ##cond)
49 #define nvif_msec(d,m,cond...) nvif_usec((d), (m) * 1000, ##cond)
50 
51 /*XXX*/
52 #include <subdev/bios.h>
53 #include <subdev/fb.h>
54 #include <subdev/mmu.h>
55 #include <subdev/bar.h>
56 #include <subdev/gpio.h>
57 #include <subdev/clk.h>
58 #include <subdev/i2c.h>
59 #include <subdev/timer.h>
60 #include <subdev/therm.h>
61 
62 #define nvxx_device(a) nv_device(nvxx_object((a)))
63 #define nvxx_bios(a) nvkm_bios(nvxx_device(a))
64 #define nvxx_fb(a) nvkm_fb(nvxx_device(a))
65 #define nvxx_mmu(a) nvkm_mmu(nvxx_device(a))
66 #define nvxx_bar(a) nvkm_bar(nvxx_device(a))
67 #define nvxx_gpio(a) nvkm_gpio(nvxx_device(a))
68 #define nvxx_clk(a) nvkm_clk(nvxx_device(a))
69 #define nvxx_i2c(a) nvkm_i2c(nvxx_device(a))
70 #define nvxx_timer(a) nvkm_timer(nvxx_device(a))
71 #define nvxx_therm(a) nvkm_therm(nvxx_device(a))
72 
73 #include <core/device.h>
74 #include <engine/fifo.h>
75 #include <engine/gr.h>
76 #include <engine/sw.h>
77 
78 #define nvxx_fifo(a) nvkm_fifo(nvxx_device(a))
79 #define nvxx_fifo_chan(a) ((struct nvkm_fifo_chan *)nvxx_object(a))
80 #define nvxx_gr(a) ((struct nvkm_gr *)nvkm_engine(nvxx_object(a), NVDEV_ENGINE_GR))
81 #endif
82