nvkm/core/subdev.h

0001 /* SPDX-License-Identifier: MIT */
0002 #ifndef __NVKM_SUBDEV_H__
0003 #define __NVKM_SUBDEV_H__
0004 #include <core/device.h>
0005
0006 enum nvkm_subdev_type {
0007 #define NVKM_LAYOUT_ONCE(t,s,p,...) t,
0008 #define NVKM_LAYOUT_INST NVKM_LAYOUT_ONCE
0009 #include <core/layout.h>
0010 #undef NVKM_LAYOUT_INST
0011 #undef NVKM_LAYOUT_ONCE
0012     NVKM_SUBDEV_NR
0013 };
0014
0015 struct nvkm_subdev {
0016     const struct nvkm_subdev_func *func;
0017     struct nvkm_device *device;
0018     enum nvkm_subdev_type type;
0019     int inst;
0020     char name[16];
0021     u32 debug;
0022     struct list_head head;
0023
0024     void **pself;
0025     bool oneinit;
0026 };
0027
0028 struct nvkm_subdev_func {
0029     void *(*dtor)(struct nvkm_subdev *);
0030     int (*preinit)(struct nvkm_subdev *);
0031     int (*oneinit)(struct nvkm_subdev *);
0032     int (*info)(struct nvkm_subdev *, u64 mthd, u64 *data);
0033     int (*init)(struct nvkm_subdev *);
0034     int (*fini)(struct nvkm_subdev *, bool suspend);
0035     void (*intr)(struct nvkm_subdev *);
0036 };
0037
0038 extern const char *nvkm_subdev_type[NVKM_SUBDEV_NR];
0039 int nvkm_subdev_new_(const struct nvkm_subdev_func *, struct nvkm_device *, enum nvkm_subdev_type,
0040              int inst, struct nvkm_subdev **);
0041 void nvkm_subdev_ctor(const struct nvkm_subdev_func *, struct nvkm_device *,
0042               enum nvkm_subdev_type, int inst, struct nvkm_subdev *);
0043 void nvkm_subdev_disable(struct nvkm_device *, enum nvkm_subdev_type, int inst);
0044 void nvkm_subdev_del(struct nvkm_subdev **);
0045 int  nvkm_subdev_preinit(struct nvkm_subdev *);
0046 int  nvkm_subdev_init(struct nvkm_subdev *);
0047 int  nvkm_subdev_fini(struct nvkm_subdev *, bool suspend);
0048 int  nvkm_subdev_info(struct nvkm_subdev *, u64, u64 *);
0049 void nvkm_subdev_intr(struct nvkm_subdev *);
0050
0051 /* subdev logging */
0052 #define nvkm_printk_(s,l,p,f,a...) do {                                        \
0053     const struct nvkm_subdev *_subdev = (s);                               \
0054     if (CONFIG_NOUVEAU_DEBUG >= (l) && _subdev->debug >= (l))              \
0055         dev_##p(_subdev->device->dev, "%s: "f, _subdev->name, ##a);    \
0056 } while(0)
0057 #define nvkm_printk(s,l,p,f,a...) nvkm_printk_((s), NV_DBG_##l, p, f, ##a)
0058 #define nvkm_fatal(s,f,a...) nvkm_printk((s), FATAL,   crit, f, ##a)
0059 #define nvkm_error(s,f,a...) nvkm_printk((s), ERROR,    err, f, ##a)
0060 #define nvkm_warn(s,f,a...)  nvkm_printk((s),  WARN, notice, f, ##a)
0061 #define nvkm_info(s,f,a...)  nvkm_printk((s),  INFO,   info, f, ##a)
0062 #define nvkm_debug(s,f,a...) nvkm_printk((s), DEBUG,   info, f, ##a)
0063 #define nvkm_trace(s,f,a...) nvkm_printk((s), TRACE,   info, f, ##a)
0064 #define nvkm_spam(s,f,a...)  nvkm_printk((s),  SPAM,    dbg, f, ##a)
0065
0066 #define nvkm_error_ratelimited(s,f,a...) nvkm_printk((s), ERROR, err_ratelimited, f, ##a)
0067 #endif