mirror of
https://git.proxmox.com/git/fwupd
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b3f9841924
Devices may want to support more than one protocol, and for some devices (e.g. Unifying peripherals stuck in bootloader mode) you might not even be able to query for the correct protocol anyway.
112 lines
3.4 KiB
C
112 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 "fu-io-channel.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, 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, 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, buf, sizeof(buf),
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500, FU_IO_CHANNEL_FLAG_SINGLE_SHOT, 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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