/* * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE.
*/ #include <core/device.h> #include <core/firmware.h>
#include <subdev/fb.h> #include <subdev/mmu.h>
int
nvkm_firmware_load_name(conststruct nvkm_subdev *subdev, constchar *base, constchar *name, int ver, conststruct firmware **pfw)
{ char path[64]; int ret;
snprintf(path, sizeof(path), "%s%s", base, name);
ret = nvkm_firmware_get(subdev, path, ver, pfw); if (ret < 0) return ret;
return 0;
}
int
nvkm_firmware_load_blob(conststruct nvkm_subdev *subdev, constchar *base, constchar *name, int ver, struct nvkm_blob *blob)
{ conststruct firmware *fw; int ret;
ret = nvkm_firmware_load_name(subdev, base, name, ver, &fw); if (ret == 0) {
blob->data = kmemdup(fw->data, fw->size, GFP_KERNEL);
blob->size = fw->size;
nvkm_firmware_put(fw); if (!blob->data) return -ENOMEM;
}
return ret;
}
/** * nvkm_firmware_get - load firmware from the official nvidia/chip/ directory * @subdev: subdevice that will use that firmware * @fwname: name of firmware file to load * @ver: firmware version to load * @fw: firmware structure to load to * * Use this function to load firmware files in the form nvidia/chip/fwname.bin. * Firmware files released by NVIDIA will always follow this format.
*/ int
nvkm_firmware_get(conststruct nvkm_subdev *subdev, constchar *fwname, int ver, conststruct firmware **fw)
{ struct nvkm_device *device = subdev->device; char f[64]; char cname[16]; int i;
/* Convert device name to lowercase */
strscpy(cname, device->chip->name, sizeof(cname));
i = strlen(cname); while (i) {
--i;
cname[i] = tolower(cname[i]);
}
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.