1 /* SPDX-License-Identifier: MIT */
2 #ifndef __NVKM_FIRMWARE_H__
3 #define __NVKM_FIRMWARE_H__
4 #include <core/option.h>
5 #include <core/subdev.h>
6 
7 int nvkm_firmware_get(const struct nvkm_subdev *, const char *fwname, int ver,
8 		      const struct firmware **);
9 void nvkm_firmware_put(const struct firmware *);
10 
11 int nvkm_firmware_load_blob(const struct nvkm_subdev *subdev, const char *path,
12 			    const char *name, int ver, struct nvkm_blob *);
13 int nvkm_firmware_load_name(const struct nvkm_subdev *subdev, const char *path,
14 			    const char *name, int ver,
15 			    const struct firmware **);
16 
17 #define nvkm_firmware_load(s,l,o,p...) ({                                      \
18 	struct nvkm_subdev *_s = (s);                                          \
19 	const char *_opts = (o);                                               \
20 	char _option[32];                                                      \
21 	typeof(l[0]) *_list = (l), *_next, *_fwif = NULL;                      \
22 	int _ver, _fwv, _ret = 0;                                              \
23                                                                                \
24 	snprintf(_option, sizeof(_option), "Nv%sFw", _opts);                   \
25 	_ver = nvkm_longopt(_s->device->cfgopt, _option, -2);                  \
26 	if (_ver >= -1) {                                                      \
27 		for (_next = _list; !_fwif && _next->load; _next++) {          \
28 			if (_next->version == _ver)                            \
29 				_fwif = _next;                                 \
30 		}                                                              \
31 		_ret = _fwif ? 0 : -EINVAL;                                    \
32 	}                                                                      \
33                                                                                \
34 	if (_ret == 0) {                                                       \
35 		snprintf(_option, sizeof(_option), "Nv%sFwVer", _opts);        \
36 		_fwv = _fwif ? _fwif->version : -1;                            \
37 		_ver = nvkm_longopt(_s->device->cfgopt, _option, _fwv);        \
38 		for (_next = _fwif ? _fwif : _list; _next->load; _next++) {    \
39 			_fwv = (_ver >= 0) ? _ver : _next->version;            \
40 			_ret = _next->load(p, _fwv, _next);                    \
41 			if (_ret == 0 || _ver >= 0) {                          \
42 				_fwif = _next;                                 \
43 				break;                                         \
44 			}                                                      \
45 		}                                                              \
46 	}                                                                      \
47                                                                                \
48 	if (_ret)                                                              \
49 		_fwif = ERR_PTR(_ret);                                         \
50 	_fwif;                                                                 \
51 })
52 #endif
53