1/*	$OpenBSD: if_rtwn.c,v 1.6 2015/08/28 00:03:53 deraadt Exp $	*/
2
3/*-
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>
7 *
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.
11 *
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.
19 */
20
21#include <sys/cdefs.h>
22#include "opt_wlan.h"
23
24#include <sys/param.h>
25#include <sys/lock.h>
26#include <sys/mutex.h>
27#include <sys/mbuf.h>
28#include <sys/kernel.h>
29#include <sys/socket.h>
30#include <sys/systm.h>
31#include <sys/malloc.h>
32#include <sys/queue.h>
33#include <sys/taskqueue.h>
34#include <sys/bus.h>
35#include <sys/endian.h>
36#include <sys/linker.h>
37
38#include <machine/bus.h>
39#include <machine/resource.h>
40#include <sys/rman.h>
41
42#include <net/if.h>
43#include <net/ethernet.h>
44#include <net/if_media.h>
45
46#include <net80211/ieee80211_var.h>
47#include <net80211/ieee80211_radiotap.h>
48
49#include <dev/rtwn/if_rtwnvar.h>
50
51#include <dev/rtwn/pci/rtwn_pci_var.h>
52
53#include <dev/rtwn/rtl8192c/pci/r92ce.h>
54
55#ifndef RTWN_WITHOUT_UCODE
56void
57r92ce_fw_reset(struct rtwn_softc *sc, int reason)
58{
59
60	if (reason == RTWN_FW_RESET_CHECKSUM)
61		return;
62
63	r92c_fw_reset(sc, reason);
64
65	/*
66	 * We must sleep for one second to let the firmware settle.
67	 * Accessing registers too early will hang the whole system.
68	 */
69	if (reason == RTWN_FW_RESET_DOWNLOAD)
70		rtwn_delay(sc, 1000 * 1000);
71}
72#endif
73