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0001 /* SPDX-License-Identifier: MIT */
0002 #ifndef __NVKM_FIRMWARE_H__
0003 #define __NVKM_FIRMWARE_H__
0004 #include <core/option.h>
0005 #include <core/subdev.h>
0006 
0007 int nvkm_firmware_get(const struct nvkm_subdev *, const char *fwname, int ver,
0008               const struct firmware **);
0009 void nvkm_firmware_put(const struct firmware *);
0010 
0011 int nvkm_firmware_load_blob(const struct nvkm_subdev *subdev, const char *path,
0012                 const char *name, int ver, struct nvkm_blob *);
0013 int nvkm_firmware_load_name(const struct nvkm_subdev *subdev, const char *path,
0014                 const char *name, int ver,
0015                 const struct firmware **);
0016 
0017 #define nvkm_firmware_load(s,l,o,p...) ({                                      \
0018     struct nvkm_subdev *_s = (s);                                          \
0019     const char *_opts = (o);                                               \
0020     char _option[32];                                                      \
0021     typeof(l[0]) *_list = (l), *_next, *_fwif = NULL;                      \
0022     int _ver, _fwv, _ret = 0;                                              \
0023                                                                                \
0024     snprintf(_option, sizeof(_option), "Nv%sFw", _opts);                   \
0025     _ver = nvkm_longopt(_s->device->cfgopt, _option, -2);                  \
0026     if (_ver >= -1) {                                                      \
0027         for (_next = _list; !_fwif && _next->load; _next++) {          \
0028             if (_next->version == _ver)                            \
0029                 _fwif = _next;                                 \
0030         }                                                              \
0031         _ret = _fwif ? 0 : -EINVAL;                                    \
0032     }                                                                      \
0033                                                                                \
0034     if (_ret == 0) {                                                       \
0035         snprintf(_option, sizeof(_option), "Nv%sFwVer", _opts);        \
0036         _fwv = _fwif ? _fwif->version : -1;                            \
0037         _ver = nvkm_longopt(_s->device->cfgopt, _option, _fwv);        \
0038         for (_next = _fwif ? _fwif : _list; _next->load; _next++) {    \
0039             _fwv = (_ver >= 0) ? _ver : _next->version;            \
0040             _ret = _next->load(p, _fwv, _next);                    \
0041             if (_ret == 0 || _ver >= 0) {                          \
0042                 _fwif = _next;                                 \
0043                 break;                                         \
0044             }                                                      \
0045         }                                                              \
0046     }                                                                      \
0047                                                                                \
0048     if (_ret)                                                              \
0049         _fwif = ERR_PTR(_ret);                                         \
0050     _fwif;                                                                 \
0051 })
0052 #endif