linux/drivers/bus/mhi/host/boot.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
 *
 */

#include <linux/delay.h>
#include <linux/device.h>
#include <linux/dma-direction.h>
#include <linux/dma-mapping.h>
#include <linux/firmware.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/mhi.h>
#include <linux/module.h>
#include <linux/random.h>
#include <linux/slab.h>
#include <linux/wait.h>
#include "internal.h"

/* Setup RDDM vector table for RDDM transfer and program RXVEC */
int mhi_rddm_prepare(struct mhi_controller *mhi_cntrl,
		     struct image_info *img_info)
{ … }

/* Collect RDDM buffer during kernel panic */
static int __mhi_download_rddm_in_panic(struct mhi_controller *mhi_cntrl)
{ … }

/* Download RDDM image from device */
int mhi_download_rddm_image(struct mhi_controller *mhi_cntrl, bool in_panic)
{ … }
EXPORT_SYMBOL_GPL(…);

static int mhi_fw_load_bhie(struct mhi_controller *mhi_cntrl,
			    const struct mhi_buf *mhi_buf)
{ … }

static int mhi_fw_load_bhi(struct mhi_controller *mhi_cntrl,
			   dma_addr_t dma_addr,
			   size_t size)
{ … }

void mhi_free_bhie_table(struct mhi_controller *mhi_cntrl,
			 struct image_info *image_info)
{ … }

int mhi_alloc_bhie_table(struct mhi_controller *mhi_cntrl,
			 struct image_info **image_info,
			 size_t alloc_size)
{ … }

static void mhi_firmware_copy(struct mhi_controller *mhi_cntrl,
			      const u8 *buf, size_t remainder,
			      struct image_info *img_info)
{ … }

void mhi_fw_load_handler(struct mhi_controller *mhi_cntrl)
{ … }

int mhi_download_amss_image(struct mhi_controller *mhi_cntrl)
{ … }