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