1 /* SPDX-License-Identifier: MIT */
2 #ifndef __NVKM_SUBDEV_H__
3 #define __NVKM_SUBDEV_H__
4 #include <core/device.h>
5 
6 struct nvkm_subdev {
7 	const struct nvkm_subdev_func *func;
8 	struct nvkm_device *device;
9 	enum nvkm_devidx index;
10 	struct mutex mutex;
11 	u32 debug;
12 
13 	bool oneinit;
14 };
15 
16 struct nvkm_subdev_func {
17 	void *(*dtor)(struct nvkm_subdev *);
18 	int (*preinit)(struct nvkm_subdev *);
19 	int (*oneinit)(struct nvkm_subdev *);
20 	int (*info)(struct nvkm_subdev *, u64 mthd, u64 *data);
21 	int (*init)(struct nvkm_subdev *);
22 	int (*fini)(struct nvkm_subdev *, bool suspend);
23 	void (*intr)(struct nvkm_subdev *);
24 };
25 
26 extern const char *nvkm_subdev_name[NVKM_SUBDEV_NR];
27 int nvkm_subdev_new_(const struct nvkm_subdev_func *, struct nvkm_device *,
28 		     int index, struct nvkm_subdev **);
29 void nvkm_subdev_ctor(const struct nvkm_subdev_func *, struct nvkm_device *,
30 		      int index, struct nvkm_subdev *);
31 void nvkm_subdev_del(struct nvkm_subdev **);
32 int  nvkm_subdev_preinit(struct nvkm_subdev *);
33 int  nvkm_subdev_init(struct nvkm_subdev *);
34 int  nvkm_subdev_fini(struct nvkm_subdev *, bool suspend);
35 int  nvkm_subdev_info(struct nvkm_subdev *, u64, u64 *);
36 void nvkm_subdev_intr(struct nvkm_subdev *);
37 
38 /* subdev logging */
39 #define nvkm_printk_(s,l,p,f,a...) do {                                        \
40 	const struct nvkm_subdev *_subdev = (s);                               \
41 	if (CONFIG_NOUVEAU_DEBUG >= (l) && _subdev->debug >= (l)) {            \
42 		dev_##p(_subdev->device->dev, "%s: "f,                         \
43 			nvkm_subdev_name[_subdev->index], ##a);                \
44 	}                                                                      \
45 } while(0)
46 #define nvkm_printk(s,l,p,f,a...) nvkm_printk_((s), NV_DBG_##l, p, f, ##a)
47 #define nvkm_fatal(s,f,a...) nvkm_printk((s), FATAL,   crit, f, ##a)
48 #define nvkm_error(s,f,a...) nvkm_printk((s), ERROR,    err, f, ##a)
49 #define nvkm_warn(s,f,a...)  nvkm_printk((s),  WARN, notice, f, ##a)
50 #define nvkm_info(s,f,a...)  nvkm_printk((s),  INFO,   info, f, ##a)
51 #define nvkm_debug(s,f,a...) nvkm_printk((s), DEBUG,   info, f, ##a)
52 #define nvkm_trace(s,f,a...) nvkm_printk((s), TRACE,   info, f, ##a)
53 #define nvkm_spam(s,f,a...)  nvkm_printk((s),  SPAM,    dbg, f, ##a)
54 #endif
55