drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   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 (*init)(struct nvkm_subdev *);
  21         int (*fini)(struct nvkm_subdev *, bool suspend);
  22         void (*intr)(struct nvkm_subdev *);
  23 };
  24
  25 extern const char *nvkm_subdev_name[NVKM_SUBDEV_NR];
  26 void nvkm_subdev_ctor(const struct nvkm_subdev_func *, struct nvkm_device *,
  27                       int index, struct nvkm_subdev *);
  28 void nvkm_subdev_del(struct nvkm_subdev **);
  29 int  nvkm_subdev_preinit(struct nvkm_subdev *);
  30 int  nvkm_subdev_init(struct nvkm_subdev *);
  31 int  nvkm_subdev_fini(struct nvkm_subdev *, bool suspend);
  32 void nvkm_subdev_intr(struct nvkm_subdev *);
  33
  34 /* subdev logging */
  35 #define nvkm_printk_(s,l,p,f,a...) do {                                        \
  36         const struct nvkm_subdev *_subdev = (s);                               \
  37         if (_subdev->debug >= (l)) {                                           \
  38                 dev_##p(_subdev->device->dev, "%s: "f,                         \
  39                         nvkm_subdev_name[_subdev->index], ##a);                \
  40         }                                                                      \
  41 } while(0)
  42 #define nvkm_printk(s,l,p,f,a...) nvkm_printk_((s), NV_DBG_##l, p, f, ##a)
  43 #define nvkm_fatal(s,f,a...) nvkm_printk((s), FATAL,   crit, f, ##a)
  44 #define nvkm_error(s,f,a...) nvkm_printk((s), ERROR,    err, f, ##a)
  45 #define nvkm_warn(s,f,a...)  nvkm_printk((s),  WARN, notice, f, ##a)
  46 #define nvkm_info(s,f,a...)  nvkm_printk((s),  INFO,   info, f, ##a)
  47 #define nvkm_debug(s,f,a...) nvkm_printk((s), DEBUG,   info, f, ##a)
  48 #define nvkm_trace(s,f,a...) nvkm_printk((s), TRACE,   info, f, ##a)
  49 #define nvkm_spam(s,f,a...)  nvkm_printk((s),  SPAM,    dbg, f, ##a)
  50 #endif