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/*
* Copyright (c) 2016-2017, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _NVGPU_FIRMWARE_H_
#define _NVGPU_FIRMWARE_H_
struct gk20a;
#define NVGPU_REQUEST_FIRMWARE_NO_WARN (1UL << 0)
#define NVGPU_REQUEST_FIRMWARE_NO_SOC (1UL << 1)
struct nvgpu_firmware {
u8 *data;
size_t size;
};
/**
* nvgpu_request_firmware - load a firmware blob from filesystem.
*
* @g The GPU driver struct for device to load firmware for
* @fw_name The base name of the firmware file.
* @flags Flags for loading;
*
* NVGPU_REQUEST_FIRMWARE_NO_WARN: Do not display warning on
* failed load.
*
* NVGPU_REQUEST_FIRMWARE_NO_SOC: Do not attempt loading from
* path <SOC_NAME>.
*
* nvgpu_request_firmware() will load firmware from:
*
* <system firmware load path>/<GPU name>/<fw_name>
*
* If that fails and NO_SOC is not enabled, it'll try next from:
*
* <system firmware load path>/<SOC name>/<fw_name>
*
* It'll allocate a nvgpu_firmware structure and initializes it and returns
* it to caller.
*/
struct nvgpu_firmware *nvgpu_request_firmware(struct gk20a *g,
const char *fw_name,
int flags);
/**
* nvgpu_release_firmware - free firmware and associated nvgpu_firmware blob
*
* @g The GPU driver struct for device to free firmware for
* @fw The firmware to free. fw blob will also be freed.
*/
void nvgpu_release_firmware(struct gk20a *g, struct nvgpu_firmware *fw);
#endif
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