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