1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
/*
* 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);
}
|
