linux/drivers/gpu/drm/nouveau/nvkm/core/firmware.c

/*
 * 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>

#include <subdev/fb.h>
#include <subdev/mmu.h>

int
nvkm_firmware_load_name(const struct nvkm_subdev *subdev, const char *base,
			const char *name, int ver, const struct firmware **pfw)
{ … }

int
nvkm_firmware_load_blob(const struct nvkm_subdev *subdev, const char *base,
			const char *name, int ver, struct nvkm_blob *blob)
{ … }

/**
 * nvkm_firmware_get - load firmware from the official nvidia/chip/ directory
 * @subdev:	subdevice that will use that firmware
 * @fwname:	name of firmware file to load
 * @ver:	firmware version 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(const struct nvkm_subdev *subdev, const char *fwname, int ver,
		  const struct firmware **fw)
{ … }

/*
 * nvkm_firmware_put - release firmware loaded with nvkm_firmware_get
 */
void
nvkm_firmware_put(const struct firmware *fw)
{ … }

#define nvkm_firmware_mem(p) …

static struct scatterlist *
nvkm_firmware_mem_sgl(struct nvkm_memory *memory)
{ … }

static int
nvkm_firmware_mem_map(struct nvkm_memory *memory, u64 offset, struct nvkm_vmm *vmm,
		      struct nvkm_vma *vma, void *argv, u32 argc)
{ … }

static u64
nvkm_firmware_mem_size(struct nvkm_memory *memory)
{ … }

static u64
nvkm_firmware_mem_addr(struct nvkm_memory *memory)
{ … }

static u8
nvkm_firmware_mem_page(struct nvkm_memory *memory)
{ … }

static enum nvkm_memory_target
nvkm_firmware_mem_target(struct nvkm_memory *memory)
{ … }

static void *
nvkm_firmware_mem_dtor(struct nvkm_memory *memory)
{ … }

static const struct nvkm_memory_func
nvkm_firmware_mem = …;

void
nvkm_firmware_dtor(struct nvkm_firmware *fw)
{ … }

int
nvkm_firmware_ctor(const struct nvkm_firmware_func *func, const char *name,
		   struct nvkm_device *device, const void *src, int len, struct nvkm_firmware *fw)
{ … }