diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-10 05:30:17 -0300 |
---|---|---|
committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-10 05:30:17 -0300 |
commit | d635711daa98be86d4c7fd01499c34f566b54ccb (patch) | |
tree | aa5cc3760a27c3d57146498cb82fa549547de06c /drivers/gpu/drm/nouveau/nvkm/core/firmware.c | |
parent | c91265cd0efb83778f015b4d4b1129bd2cfd075e (diff) |
Linux-libre 4.6.2-gnu
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/core/firmware.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/core/firmware.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/firmware.c b/drivers/gpu/drm/nouveau/nvkm/core/firmware.c new file mode 100644 index 000000000..b1e88fd89 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/core/firmware.c @@ -0,0 +1,61 @@ +/* + * 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> + +/** + * 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), "/*(DEBLOBBED)*/", cname, fwname); + return reject_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); +} |