2 * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
22 #include <core/device.h>
23 #include <core/firmware.h>
26 * nvkm_firmware_get - load firmware from the official nvidia/chip/ directory
27 * @subdev subdevice that will use that firmware
28 * @fwname name of firmware file to load
29 * @fw firmware structure to load to
31 * Use this function to load firmware files in the form nvidia/chip/fwname.bin.
32 * Firmware files released by NVIDIA will always follow this format.
35 nvkm_firmware_get(const struct nvkm_subdev *subdev, const char *fwname,
36 const struct firmware **fw)
38 struct nvkm_device *device = subdev->device;
43 /* Convert device name to lowercase */
44 strncpy(cname, device->chip->name, sizeof(cname));
45 cname[sizeof(cname) - 1] = '\0';
49 cname[i] = tolower(cname[i]);
52 snprintf(f, sizeof(f), "nvidia/%s/%s.bin", cname, fwname);
53 return request_firmware(fw, f, device->dev);
57 * nvkm_firmware_put - release firmware loaded with nvkm_firmware_get
60 nvkm_firmware_put(const struct firmware *fw)