diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h b/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h new file mode 100644 index 000000000..bce6e1ba0 --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h @@ -0,0 +1,95 @@ +/* SPDX-License-Identifier: MIT */ +#ifndef __NVKM_SUBDEV_H__ +#define __NVKM_SUBDEV_H__ +#include <core/device.h> + +enum nvkm_subdev_type { +#define NVKM_LAYOUT_ONCE(t,s,p,...) t, +#define NVKM_LAYOUT_INST NVKM_LAYOUT_ONCE +#include <core/layout.h> +#undef NVKM_LAYOUT_INST +#undef NVKM_LAYOUT_ONCE + NVKM_SUBDEV_NR +}; + +struct nvkm_subdev { + const struct nvkm_subdev_func *func; + struct nvkm_device *device; + enum nvkm_subdev_type type; + int inst; + + char name[16]; + u32 debug; + + struct { + refcount_t refcount; + struct mutex mutex; + bool enabled; + } use; + + struct nvkm_inth inth; + + struct list_head head; + void **pself; + bool oneinit; +}; + +struct nvkm_subdev_func { + void *(*dtor)(struct nvkm_subdev *); + int (*preinit)(struct nvkm_subdev *); + int (*oneinit)(struct nvkm_subdev *); + int (*info)(struct nvkm_subdev *, u64 mthd, u64 *data); + int (*init)(struct nvkm_subdev *); + int (*fini)(struct nvkm_subdev *, bool suspend); + void (*intr)(struct nvkm_subdev *); +}; + +extern const char *nvkm_subdev_type[NVKM_SUBDEV_NR]; +int nvkm_subdev_new_(const struct nvkm_subdev_func *, struct nvkm_device *, enum nvkm_subdev_type, + int inst, struct nvkm_subdev **); +void __nvkm_subdev_ctor(const struct nvkm_subdev_func *, struct nvkm_device *, + enum nvkm_subdev_type, int inst, struct nvkm_subdev *); + +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) +{ + __nvkm_subdev_ctor(func, device, type, inst, subdev); + mutex_init(&subdev->use.mutex); +} + +void nvkm_subdev_disable(struct nvkm_device *, enum nvkm_subdev_type, int inst); +void nvkm_subdev_del(struct nvkm_subdev **); +int nvkm_subdev_ref(struct nvkm_subdev *); +void nvkm_subdev_unref(struct nvkm_subdev *); +int nvkm_subdev_preinit(struct nvkm_subdev *); +int nvkm_subdev_oneinit(struct nvkm_subdev *); +int nvkm_subdev_init(struct nvkm_subdev *); +int nvkm_subdev_fini(struct nvkm_subdev *, bool suspend); +int nvkm_subdev_info(struct nvkm_subdev *, u64, u64 *); +void nvkm_subdev_intr(struct nvkm_subdev *); + +/* subdev logging */ +#define nvkm_printk_ok(s,u,l) \ + ((CONFIG_NOUVEAU_DEBUG >= (l)) && ((s)->debug >= (l) || ((u) && (u)->debug >= (l)))) +#define nvkm_printk___(s,u,l,p,f,a...) do { \ + if (nvkm_printk_ok((s), (u), (l))) { \ + if ((u) && (u) != (s)) \ + dev_##p((s)->device->dev, "%s(%s):"f, (s)->name, (u)->name, ##a); \ + else \ + dev_##p((s)->device->dev, "%s:"f, (s)->name, ##a); \ + } \ +} while(0) +#define nvkm_printk__(s,l,p,f,a...) nvkm_printk___((s), (s), (l), p, f, ##a) +#define nvkm_printk_(s,l,p,f,a...) nvkm_printk__((s), (l), p, " "f, ##a) +#define nvkm_printk(s,l,p,f,a...) nvkm_printk_((s), NV_DBG_##l, p, f, ##a) +#define nvkm_fatal(s,f,a...) nvkm_printk((s), FATAL, crit, f, ##a) +#define nvkm_error(s,f,a...) nvkm_printk((s), ERROR, err, f, ##a) +#define nvkm_warn(s,f,a...) nvkm_printk((s), WARN, notice, f, ##a) +#define nvkm_info(s,f,a...) nvkm_printk((s), INFO, info, f, ##a) +#define nvkm_debug(s,f,a...) nvkm_printk((s), DEBUG, info, f, ##a) +#define nvkm_trace(s,f,a...) nvkm_printk((s), TRACE, info, f, ##a) +#define nvkm_spam(s,f,a...) nvkm_printk((s), SPAM, dbg, f, ##a) + +#define nvkm_error_ratelimited(s,f,a...) nvkm_printk((s), ERROR, err_ratelimited, f, ##a) +#endif |