/* * 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> /** * nvkm_firmware_get - load firmware from the official nvidia/chip/ directory * @device device that will use that firmware * @fwname name of firmware file 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(struct nvkm_device *device, const char *fwname, const struct firmware **fw) { char f[64]; char cname[16]; int i; /* Convert device name to lowercase */ strncpy(cname, device->chip->name, sizeof(cname)); cname[sizeof(cname) - 1] = '\0'; i = strlen(cname); while (i) { --i; cname[i] = tolower(cname[i]); } snprintf(f, sizeof(f), "nvidia/%s/%s.bin", cname, fwname); return request_firmware(fw, f, device->dev); } /** * nvkm_firmware_put - release firmware loaded with nvkm_firmware_get */ void nvkm_firmware_put(const struct firmware *fw) { release_firmware(fw); }