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 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