fwupd/plugins/thelio-io/fu-thelio-io-device.c
2021-08-24 11:18:40 -05:00

119 lines
3.4 KiB
C

/*
* Copyright (C) 2019 Richard Hughes <richard@hughsie.com>
* Copyright (C) 2019 Jeremy Soller <jeremy@system76.com>
*
* SPDX-License-Identifier: LGPL-2.1+
*/
#include "config.h"
#include <fwupdplugin.h>
#include "fu-thelio-io-device.h"
struct _FuThelioIoDevice {
FuUsbDevice parent_instance;
};
G_DEFINE_TYPE(FuThelioIoDevice, fu_thelio_io_device, FU_TYPE_USB_DEVICE)
static gboolean
fu_thelio_io_device_probe(FuDevice *device, GError **error)
{
const gchar *devpath;
g_autofree gchar *fn = NULL;
g_autofree gchar *buf = NULL;
g_autoptr(GError) error_local = NULL;
g_autoptr(GUdevDevice) udev_device = NULL;
/* this is the atmel bootloader */
fu_device_add_counterpart_guid(device, "USB\\VID_03EB&PID_2FF4");
/* convert GUsbDevice to GUdevDevice */
udev_device = fu_usb_device_find_udev_device(FU_USB_DEVICE(device), error);
if (udev_device == NULL)
return FALSE;
devpath = g_udev_device_get_sysfs_path(udev_device);
if (G_UNLIKELY(devpath == NULL)) {
g_set_error_literal(error,
FWUPD_ERROR,
FWUPD_ERROR_INTERNAL,
"Could not determine sysfs path for device");
return FALSE;
}
/* pre-1.0.0 firmware versions do not implement this */
fn = g_build_filename(devpath, "revision", NULL);
if (!g_file_get_contents(fn, &buf, NULL, &error_local)) {
if (g_error_matches(error_local, G_FILE_ERROR, G_FILE_ERROR_FAILED)) {
g_debug("FW revision unimplemented: %s", error_local->message);
fu_device_set_version(device, "0.0.0");
} else {
g_propagate_error(error, g_steal_pointer(&error_local));
return FALSE;
}
} else {
fu_device_set_version(device, (const gchar *)buf);
}
return TRUE;
}
static gboolean
fu_thelio_io_device_detach(FuDevice *device, GError **error)
{
const gchar *devpath;
g_autofree gchar *fn = NULL;
g_autoptr(FuIOChannel) io_channel = NULL;
g_autoptr(GUdevDevice) udev_device = NULL;
const guint8 buf[] = {'1', '\n'};
/* convert GUsbDevice to GUdevDevice */
udev_device = fu_usb_device_find_udev_device(FU_USB_DEVICE(device), error);
if (udev_device == NULL)
return FALSE;
fu_device_set_status(device, FWUPD_STATUS_DEVICE_RESTART);
devpath = g_udev_device_get_sysfs_path(udev_device);
if (G_UNLIKELY(devpath == NULL)) {
g_set_error_literal(error,
FWUPD_ERROR,
FWUPD_ERROR_INTERNAL,
"Could not determine sysfs path for device");
return FALSE;
}
fn = g_build_filename(devpath, "bootloader", NULL);
io_channel = fu_io_channel_new_file(fn, error);
if (io_channel == NULL)
return FALSE;
if (!fu_io_channel_write_raw(io_channel,
buf,
sizeof(buf),
500,
FU_IO_CHANNEL_FLAG_SINGLE_SHOT,
error))
return FALSE;
fu_device_add_flag(device, FWUPD_DEVICE_FLAG_WAIT_FOR_REPLUG);
return TRUE;
}
static void
fu_thelio_io_device_init(FuThelioIoDevice *self)
{
fu_device_add_flag(FU_DEVICE(self), FWUPD_DEVICE_FLAG_UPDATABLE);
fu_device_add_internal_flag(FU_DEVICE(self), FU_DEVICE_INTERNAL_FLAG_REPLUG_MATCH_GUID);
fu_device_set_remove_delay(FU_DEVICE(self), FU_DEVICE_REMOVE_DELAY_RE_ENUMERATE);
fu_device_set_version_format(FU_DEVICE(self), FWUPD_VERSION_FORMAT_TRIPLET);
fu_device_add_protocol(FU_DEVICE(self), "org.usb.dfu");
}
static void
fu_thelio_io_device_class_init(FuThelioIoDeviceClass *klass)
{
FuDeviceClass *klass_device = FU_DEVICE_CLASS(klass);
klass_device->probe = fu_thelio_io_device_probe;
klass_device->detach = fu_thelio_io_device_detach;
}