linux/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef __NVKM_SUBDEV_H__
   3#define __NVKM_SUBDEV_H__
   4#include <core/device.h>
   5
   6struct 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
  16struct 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
  26extern const char *nvkm_subdev_name[NVKM_SUBDEV_NR];
  27void nvkm_subdev_ctor(const struct nvkm_subdev_func *, struct nvkm_device *,
  28                      int index, struct nvkm_subdev *);
  29void nvkm_subdev_del(struct nvkm_subdev **);
  30int  nvkm_subdev_preinit(struct nvkm_subdev *);
  31int  nvkm_subdev_init(struct nvkm_subdev *);
  32int  nvkm_subdev_fini(struct nvkm_subdev *, bool suspend);
  33int  nvkm_subdev_info(struct nvkm_subdev *, u64, u64 *);
  34void nvkm_subdev_intr(struct nvkm_subdev *);
  35
  36/* subdev logging */
  37#define nvkm_printk_(s,l,p,f,a...) do {                                        \
  38        const struct nvkm_subdev *_subdev = (s);                               \
  39        if (CONFIG_NOUVEAU_DEBUG >= (l) && _subdev->debug >= (l)) {            \
  40                dev_##p(_subdev->device->dev, "%s: "f,                         \
  41                        nvkm_subdev_name[_subdev->index], ##a);                \
  42        }                                                                      \
  43} while(0)
  44#define nvkm_printk(s,l,p,f,a...) nvkm_printk_((s), NV_DBG_##l, p, f, ##a)
  45#define nvkm_fatal(s,f,a...) nvkm_printk((s), FATAL,   crit, f, ##a)
  46#define nvkm_error(s,f,a...) nvkm_printk((s), ERROR,    err, f, ##a)
  47#define nvkm_warn(s,f,a...)  nvkm_printk((s),  WARN, notice, f, ##a)
  48#define nvkm_info(s,f,a...)  nvkm_printk((s),  INFO,   info, f, ##a)
  49#define nvkm_debug(s,f,a...) nvkm_printk((s), DEBUG,   info, f, ##a)
  50#define nvkm_trace(s,f,a...) nvkm_printk((s), TRACE,   info, f, ##a)
  51#define nvkm_spam(s,f,a...)  nvkm_printk((s),  SPAM,    dbg, f, ##a)
  52#endif
  53