linux/drivers/staging/media/atomisp/pci/sh_css_firmware.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Support for Intel Camera Imaging ISP subsystem.
 * Copyright (c) 2015, Intel Corporation.
 *
 * 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.
 */

#include <linux/string.h> /* for memcpy() */
#include <linux/slab.h>
#include <linux/vmalloc.h>

#include "hmm.h"

#include <math_support.h>
#include "platform_support.h"
#include "sh_css_firmware.h"

#include "sh_css_defs.h"
#include "ia_css_debug.h"
#include "sh_css_internal.h"
#include "ia_css_isp_param.h"

#include "assert_support.h"

#include "isp.h"				/* PMEM_WIDTH_LOG2 */

#include "ia_css_isp_params.h"
#include "ia_css_isp_configs.h"
#include "ia_css_isp_states.h"

#define _STR(x) …
#define STR(x) …

struct firmware_header { … };

struct fw_param { … };

static struct firmware_header *firmware_header;

/*
 * The string STR is a place holder
 * which will be replaced with the actual RELEASE_VERSION
 * during package generation. Please do not modify
 */
static const char *release_version_2401 = …;
static const char *release_version_2400 = …;

#define MAX_FW_REL_VER_NAME …
static char FW_rel_ver_name[MAX_FW_REL_VER_NAME] = …;

struct ia_css_fw_info	  sh_css_sp_fw;
struct ia_css_blob_descr *sh_css_blob_info; /* Only ISP blob info (no SP) */
unsigned int sh_css_num_binaries; /* This includes 1 SP binary */

static struct fw_param *fw_minibuffer;

char *sh_css_get_fw_version(void)
{ … }

/*
 * Split the loaded firmware into blobs
 */

/* Setup sp/sp1 binary */
static int
setup_binary(struct ia_css_fw_info *fw, const char *fw_data,
	     struct ia_css_fw_info *sh_css_fw, unsigned int binary_id)
{ … }

int
sh_css_load_blob_info(const char *fw, const struct ia_css_fw_info *bi,
		      struct ia_css_blob_descr *bd,
		      unsigned int index)
{ … }

bool
sh_css_check_firmware_version(struct device *dev, const char *fw_data)
{ … }

static const char * const fw_type_name[] = …;

static const char * const fw_acc_type_name[] = …;

int
sh_css_load_firmware(struct device *dev, const char *fw_data,
		     unsigned int fw_size)
{ … }

void sh_css_unload_firmware(void)
{ … }

ia_css_ptr
sh_css_load_blob(const unsigned char *blob, unsigned int size)
{ … }