Files
cdba/device.c
Bjorn Andersson 2205666349 cdb_assist: Support togging the fastboot key
For some devices it's not possible to use fastboot boot and
as such they will not enter fastboot unless the fastboot key
is held. Expose this functionality in the device api.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2018-04-20 14:54:56 -07:00

147 lines
3.6 KiB
C

/*
* Copyright (c) 2016-2018, Linaro Ltd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/stat.h>
#include <assert.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "device.h"
#include "fastboot.h"
#include "list.h"
#define ARRAY_SIZE(x) ((sizeof(x)/sizeof((x)[0])))
static struct list_head devices = LIST_INIT(devices);
void device_add(struct device *device)
{
list_add(&devices, &device->node);
}
struct device *device_open(const char *board,
struct fastboot_ops *fastboot_ops)
{
struct device *device;
list_for_each_entry(device, &devices, node) {
if (!strcmp(device->board, board))
goto found;
}
return NULL;
found:
assert(device->open);
device->cdb = device->open(device);
if (!device->cdb)
errx(1, "failed to open device controller");
device->fastboot = fastboot_open(device->serial, fastboot_ops, NULL);
return device;
}
int device_power_on(struct device *device)
{
if (!device)
return 0;
assert(device->power_on);
device->power_on(device);
return 0;
}
int device_power_off(struct device *device)
{
if (!device)
return 0;
assert(device->power_off);
device->power_off(device);
return 0;
}
void device_print_status(struct device *device)
{
if (device->print_status)
device->print_status(device);
}
void device_vbus(struct device *device, bool enable)
{
if (device->vbus)
device->vbus(device, enable);
}
int device_write(struct device *device, const void *buf, size_t len)
{
if (!device)
return 0;
assert(device->write);
return device->write(device, buf, len);
}
void device_fastboot_boot(struct device *device)
{
fastboot_boot(device->fastboot);
}
void device_fastboot_flash_reboot(struct device *device)
{
fastboot_flash(device->fastboot, "boot");
fastboot_reboot(device->fastboot);
}
void device_boot(struct device *device, const void *data, size_t len)
{
if (device->set_active)
fastboot_set_active(device->fastboot, "a");
fastboot_download(device->fastboot, data, len);
device->boot(device);
}
void device_fastboot_key(struct device *device, bool on)
{
if (device->fastboot_key)
device->fastboot_key(device, on);
}