fwupd/plugins/steelseries/fu-steelseries-device.c
Richard Hughes 5079f26f0e Never guess the version format from the version string
This leads to madness, as some formats are supersets of the detected types,
e.g. 'intel-me' is detected as 'quad' and 'bcd' is detected as 'pair'.

Where the version format is defined in a specification or hardcoded in the
source use a hardcoded enum value, otherwise use a quirk override.

Additionally, warn if the version does not match the defined version format
2019-04-30 09:25:41 +01:00

136 lines
3.5 KiB
C

/*
* Copyright (C) 2016-2017 Richard Hughes <richard@hughsie.com>
*
* SPDX-License-Identifier: LGPL-2.1+
*/
#include "config.h"
#include <string.h>
#include "fu-steelseries-device.h"
#define STEELSERIES_TRANSACTION_TIMEOUT 1000 /* ms */
G_DEFINE_TYPE (FuSteelseriesDevice, fu_steelseries_device, FU_TYPE_USB_DEVICE)
static gboolean
fu_steelseries_device_open (FuUsbDevice *device, GError **error)
{
GUsbDevice *usb_device = fu_usb_device_get_dev (device);
const guint8 iface_idx = 0x00;
/* get firmware version on SteelSeries Rival 100 */
if (!g_usb_device_claim_interface (usb_device, iface_idx,
G_USB_DEVICE_CLAIM_INTERFACE_BIND_KERNEL_DRIVER,
error)) {
g_prefix_error (error, "failed to claim interface: ");
return FALSE;
}
/* success */
return TRUE;
}
static gboolean
fu_steelseries_device_setup (FuDevice *device, GError **error)
{
GUsbDevice *usb_device = fu_usb_device_get_dev (FU_USB_DEVICE (device));
gboolean ret;
gsize actual_len = 0;
guint8 data[32];
g_autofree gchar *version = NULL;
memset (data, 0x00, sizeof(data));
data[0] = 0x16;
ret = g_usb_device_control_transfer (usb_device,
G_USB_DEVICE_DIRECTION_HOST_TO_DEVICE,
G_USB_DEVICE_REQUEST_TYPE_CLASS,
G_USB_DEVICE_RECIPIENT_INTERFACE,
0x09,
0x0200,
0x0000,
data,
sizeof(data),
&actual_len,
STEELSERIES_TRANSACTION_TIMEOUT,
NULL,
error);
if (!ret) {
g_prefix_error (error, "failed to do control transfer: ");
return FALSE;
}
if (actual_len != 32) {
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_INVALID_DATA,
"only wrote %" G_GSIZE_FORMAT "bytes", actual_len);
return FALSE;
}
ret = g_usb_device_interrupt_transfer (usb_device,
0x81, /* EP1 IN */
data,
sizeof(data),
&actual_len,
STEELSERIES_TRANSACTION_TIMEOUT,
NULL,
error);
if (!ret) {
g_prefix_error (error, "failed to do EP1 transfer: ");
return FALSE;
}
if (actual_len != 32) {
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_INVALID_DATA,
"only read %" G_GSIZE_FORMAT "bytes", actual_len);
return FALSE;
}
version = g_strdup_printf ("%i.%i.%i", data[0], data[1], data[2]);
fu_device_set_version (FU_DEVICE (device), version, FWUPD_VERSION_FORMAT_TRIPLET);
/* success */
return TRUE;
}
static gboolean
fu_steelseries_device_close (FuUsbDevice *device, GError **error)
{
GUsbDevice *usb_device = fu_usb_device_get_dev (device);
const guint8 iface_idx = 0x00;
/* we're done here */
if (!g_usb_device_release_interface (usb_device, iface_idx,
G_USB_DEVICE_CLAIM_INTERFACE_BIND_KERNEL_DRIVER,
error)) {
g_prefix_error (error, "failed to release interface: ");
return FALSE;
}
/* success */
return TRUE;
}
static void
fu_steelseries_device_init (FuSteelseriesDevice *device)
{
}
static void
fu_steelseries_device_class_init (FuSteelseriesDeviceClass *klass)
{
FuDeviceClass *klass_device = FU_DEVICE_CLASS (klass);
FuUsbDeviceClass *klass_usb_device = FU_USB_DEVICE_CLASS (klass);
klass_device->setup = fu_steelseries_device_setup;
klass_usb_device->open = fu_steelseries_device_open;
klass_usb_device->close = fu_steelseries_device_close;
}
FuSteelseriesDevice *
fu_steelseries_device_new (FuUsbDevice *device)
{
FuSteelseriesDevice *self = g_object_new (FU_TYPE_STEELSERIES_DEVICE, NULL);
fu_device_incorporate (FU_DEVICE (self), FU_DEVICE (device));
return self;
}