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| author |   Ben Skeggs <bskeggs@redhat.com> | 2020-01-15 06:34:21 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2020-01-15 10:50:26 +1000 |
| commit | 47c8f8e1a225b227805045c997ffdda8c78e57b6 (patch) | |
| tree | 63cef0070f2c476ccf2839a1b3dddab5a642a536 /drivers/gpu/drm/nouveau/include/nvkm/core/firmware.h | |
| parent | drm/nouveau/core: output fw size in debug messages (diff) | |
| download | wireguard-linux-47c8f8e1a225b227805045c997ffdda8c78e57b6.tar.xz wireguard-linux-47c8f8e1a225b227805045c997ffdda8c78e57b6.zip | |
drm/nouveau/core: add a macro to better handle multiple firmware versions
Will be used in upcoming commits to allow subdevs to better customise
themselves based on which (if any) firmware is available.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/core/firmware.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/core/firmware.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/firmware.h b/drivers/gpu/drm/nouveau/include/nvkm/core/firmware.h index 383370c32428..55ea2b39a8a8 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/firmware.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/firmware.h @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: MIT */ #ifndef __NVKM_FIRMWARE_H__ #define __NVKM_FIRMWARE_H__ +#include <core/option.h> #include <core/subdev.h> int nvkm_firmware_get_version(const struct nvkm_subdev *, const char *fwname, @@ -9,4 +10,43 @@ int nvkm_firmware_get_version(const struct nvkm_subdev *, const char *fwname, int nvkm_firmware_get(const struct nvkm_subdev *, const char *fwname, const struct firmware **); void nvkm_firmware_put(const struct firmware *); + +#define nvkm_firmware_load(s,l,o,p...) ({ \ + struct nvkm_subdev *_s = (s); \ + const char *_opts = (o); \ + char _option[32]; \ + typeof(l[0]) *_list = (l), *_next, *_fwif = NULL; \ + int _ver, _fwv, _ret = 0; \ + \ + snprintf(_option, sizeof(_option), "Nv%sFw", _opts); \ + _ver = nvkm_longopt(_s->device->cfgopt, _option, -2); \ + if (_ver >= -1) { \ + for (_next = _list; !_fwif && _next->load; _next++) { \ + if (_next->version == _ver) \ + _fwif = _next; \ + } \ + _ret = _fwif ? 0 : -EINVAL; \ + } \ + \ + if (_ret == 0) { \ + snprintf(_option, sizeof(_option), "Nv%sFwVer", _opts); \ + _fwv = _fwif ? _fwif->version : -1; \ + _ver = nvkm_longopt(_s->device->cfgopt, _option, _fwv); \ + for (_next = _fwif ? _fwif : _list; _next->load; _next++) { \ + _fwv = (_ver >= 0) ? _ver : _next->version; \ + _ret = _next->load(p, _fwv, _next); \ + if (_ret == 0 || _ver >= 0) { \ + _fwif = _next; \ + break; \ + } \ + } \ + } \ + \ + if (_ret) { \ + nvkm_error(_s, "failed to load firmware\n"); \ + _fwif = ERR_PTR(_ret); \ + } \ + \ + _fwif; \ +}) #endif |