1 /* 2 * Wireless USB Host Controller 3 * UWB Protocol Adaptation Layer (PAL) glue. 4 * 5 * Copyright (C) 2008 Cambridge Silicon Radio Ltd. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License version 9 * 2 as published by the Free Software Foundation. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program. If not, see <http://www.gnu.org/licenses/>. 18 */ 19 #include "wusbhc.h" 20 wusbhc_channel_changed(struct uwb_pal * pal,int channel)21static void wusbhc_channel_changed(struct uwb_pal *pal, int channel) 22 { 23 struct wusbhc *wusbhc = container_of(pal, struct wusbhc, pal); 24 25 dev_dbg(wusbhc->dev, "%s: channel = %d\n", __func__, channel); 26 if (channel < 0) 27 wusbhc_stop(wusbhc); 28 else 29 wusbhc_start(wusbhc); 30 } 31 32 /** 33 * wusbhc_pal_register - register the WUSB HC as a UWB PAL 34 * @wusbhc: the WUSB HC 35 */ wusbhc_pal_register(struct wusbhc * wusbhc)36int wusbhc_pal_register(struct wusbhc *wusbhc) 37 { 38 uwb_pal_init(&wusbhc->pal); 39 40 wusbhc->pal.name = "wusbhc"; 41 wusbhc->pal.device = wusbhc->usb_hcd.self.controller; 42 wusbhc->pal.rc = wusbhc->uwb_rc; 43 wusbhc->pal.channel_changed = wusbhc_channel_changed; 44 45 return uwb_pal_register(&wusbhc->pal); 46 } 47 48 /** 49 * wusbhc_pal_unregister - unregister the WUSB HC as a UWB PAL 50 * @wusbhc: the WUSB HC 51 */ wusbhc_pal_unregister(struct wusbhc * wusbhc)52void wusbhc_pal_unregister(struct wusbhc *wusbhc) 53 { 54 if (wusbhc->uwb_rc) 55 uwb_pal_unregister(&wusbhc->pal); 56 } 57