1 /* SPDX-License-Identifier: MIT */
2 #ifndef __NVKM_SUBDEV_H__
3 #define __NVKM_SUBDEV_H__
4 #include <core/device.h>
5
6 enum nvkm_subdev_type {
7 #define NVKM_LAYOUT_ONCE(t,s,p,...) t,
8 #define NVKM_LAYOUT_INST NVKM_LAYOUT_ONCE
9 #include <core/layout.h>
10 #undef NVKM_LAYOUT_INST
11 #undef NVKM_LAYOUT_ONCE
12 NVKM_SUBDEV_NR
13 };
14
15 struct nvkm_subdev {
16 const struct nvkm_subdev_func *func;
17 struct nvkm_device *device;
18 enum nvkm_subdev_type type;
19 int inst;
20
21 char name[16];
22 u32 debug;
23
24 struct {
25 refcount_t refcount;
26 struct mutex mutex;
27 bool enabled;
28 } use;
29
30 struct nvkm_inth inth;
31
32 struct list_head head;
33 void **pself;
34 bool oneinit;
35 };
36
37 struct nvkm_subdev_func {
38 void *(*dtor)(struct nvkm_subdev *);
39 int (*preinit)(struct nvkm_subdev *);
40 int (*oneinit)(struct nvkm_subdev *);
41 int (*info)(struct nvkm_subdev *, u64 mthd, u64 *data);
42 int (*init)(struct nvkm_subdev *);
43 int (*fini)(struct nvkm_subdev *, bool suspend);
44 void (*intr)(struct nvkm_subdev *);
45 };
46
47 extern const char *nvkm_subdev_type[NVKM_SUBDEV_NR];
48 int nvkm_subdev_new_(const struct nvkm_subdev_func *, struct nvkm_device *, enum nvkm_subdev_type,
49 int inst, struct nvkm_subdev **);
50 void __nvkm_subdev_ctor(const struct nvkm_subdev_func *, struct nvkm_device *,
51 enum nvkm_subdev_type, int inst, struct nvkm_subdev *);
52
53 static inline void
nvkm_subdev_ctor(const struct nvkm_subdev_func * func,struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_subdev * subdev)54 nvkm_subdev_ctor(const struct nvkm_subdev_func *func, struct nvkm_device *device,
55 enum nvkm_subdev_type type, int inst, struct nvkm_subdev *subdev)
56 {
57 __nvkm_subdev_ctor(func, device, type, inst, subdev);
58 mutex_init(&subdev->use.mutex);
59 }
60
61 void nvkm_subdev_disable(struct nvkm_device *, enum nvkm_subdev_type, int inst);
62 void nvkm_subdev_del(struct nvkm_subdev **);
63 int nvkm_subdev_ref(struct nvkm_subdev *);
64 void nvkm_subdev_unref(struct nvkm_subdev *);
65 int nvkm_subdev_preinit(struct nvkm_subdev *);
66 int nvkm_subdev_oneinit(struct nvkm_subdev *);
67 int nvkm_subdev_init(struct nvkm_subdev *);
68 int nvkm_subdev_fini(struct nvkm_subdev *, bool suspend);
69 int nvkm_subdev_info(struct nvkm_subdev *, u64, u64 *);
70 void nvkm_subdev_intr(struct nvkm_subdev *);
71
72 /* subdev logging */
73 #define nvkm_printk_ok(s,u,l) \
74 ((CONFIG_NOUVEAU_DEBUG >= (l)) && ((s)->debug >= (l) || ((u) && (u)->debug >= (l))))
75 #define nvkm_printk___(s,u,l,p,f,a...) do { \
76 if (nvkm_printk_ok((s), (u), (l))) { \
77 if ((u) && (u) != (s)) \
78 dev_##p((s)->device->dev, "%s(%s):"f, (s)->name, (u)->name, ##a); \
79 else \
80 dev_##p((s)->device->dev, "%s:"f, (s)->name, ##a); \
81 } \
82 } while(0)
83 #define nvkm_printk__(s,l,p,f,a...) nvkm_printk___((s), (s), (l), p, f, ##a)
84 #define nvkm_printk_(s,l,p,f,a...) nvkm_printk__((s), (l), p, " "f, ##a)
85 #define nvkm_printk(s,l,p,f,a...) nvkm_printk_((s), NV_DBG_##l, p, f, ##a)
86 #define nvkm_fatal(s,f,a...) nvkm_printk((s), FATAL, crit, f, ##a)
87 #define nvkm_error(s,f,a...) nvkm_printk((s), ERROR, err, f, ##a)
88 #define nvkm_warn(s,f,a...) nvkm_printk((s), WARN, notice, f, ##a)
89 #define nvkm_info(s,f,a...) nvkm_printk((s), INFO, info, f, ##a)
90 #define nvkm_debug(s,f,a...) nvkm_printk((s), DEBUG, info, f, ##a)
91 #define nvkm_trace(s,f,a...) nvkm_printk((s), TRACE, info, f, ##a)
92 #define nvkm_spam(s,f,a...) nvkm_printk((s), SPAM, dbg, f, ##a)
93
94 #define nvkm_error_ratelimited(s,f,a...) nvkm_printk((s), ERROR, err_ratelimited, f, ##a)
95 #endif
96