1 /* $OpenBSD: if_rtwn.c,v 1.6 2015/08/28 00:03:53 deraadt Exp $ */
4 * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr>
5 * Copyright (c) 2015 Stefan Sperling <stsp@openbsd.org>
6 * Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org>
8 * Permission to use, copy, modify, and distribute this software for any
9 * purpose with or without fee is hereby granted, provided that the above
10 * copyright notice and this permission notice appear in all copies.
12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 #include <sys/cdefs.h>
22 __FBSDID("$FreeBSD$");
26 #include <sys/param.h>
28 #include <sys/mutex.h>
30 #include <sys/kernel.h>
31 #include <sys/socket.h>
32 #include <sys/systm.h>
33 #include <sys/malloc.h>
34 #include <sys/queue.h>
35 #include <sys/taskqueue.h>
37 #include <sys/endian.h>
38 #include <sys/linker.h>
40 #include <machine/bus.h>
41 #include <machine/resource.h>
45 #include <net/ethernet.h>
46 #include <net/if_media.h>
48 #include <net80211/ieee80211_var.h>
49 #include <net80211/ieee80211_radiotap.h>
51 #include <dev/rtwn/if_rtwnvar.h>
53 #include <dev/rtwn/pci/rtwn_pci_var.h>
55 #include <dev/rtwn/rtl8192c/pci/r92ce.h>
57 #ifndef RTWN_WITHOUT_UCODE
59 r92ce_fw_reset(struct rtwn_softc *sc, int reason)
62 if (reason == RTWN_FW_RESET_CHECKSUM)
65 r92c_fw_reset(sc, reason);
68 * We must sleep for one second to let the firmware settle.
69 * Accessing registers too early will hang the whole system.
71 if (reason == RTWN_FW_RESET_DOWNLOAD)
72 rtwn_delay(sc, 1000 * 1000);