xref: /freebsd/sys/dev/rtwn/rtl8821a/r21a_beacon.c (revision 685dc743dc3b5645e34836464128e1c0558b404b)
1*7453645fSAndriy Voskoboinyk /*-
2*7453645fSAndriy Voskoboinyk  * Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org>
3*7453645fSAndriy Voskoboinyk  * All rights reserved.
4*7453645fSAndriy Voskoboinyk  *
5*7453645fSAndriy Voskoboinyk  * Redistribution and use in source and binary forms, with or without
6*7453645fSAndriy Voskoboinyk  * modification, are permitted provided that the following conditions
7*7453645fSAndriy Voskoboinyk  * are met:
8*7453645fSAndriy Voskoboinyk  * 1. Redistributions of source code must retain the above copyright
9*7453645fSAndriy Voskoboinyk  *    notice, this list of conditions and the following disclaimer.
10*7453645fSAndriy Voskoboinyk  * 2. Redistributions in binary form must reproduce the above copyright
11*7453645fSAndriy Voskoboinyk  *    notice, this list of conditions and the following disclaimer in the
12*7453645fSAndriy Voskoboinyk  *    documentation and/or other materials provided with the distribution.
13*7453645fSAndriy Voskoboinyk  *
14*7453645fSAndriy Voskoboinyk  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15*7453645fSAndriy Voskoboinyk  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*7453645fSAndriy Voskoboinyk  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*7453645fSAndriy Voskoboinyk  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18*7453645fSAndriy Voskoboinyk  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*7453645fSAndriy Voskoboinyk  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*7453645fSAndriy Voskoboinyk  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*7453645fSAndriy Voskoboinyk  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*7453645fSAndriy Voskoboinyk  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*7453645fSAndriy Voskoboinyk  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*7453645fSAndriy Voskoboinyk  * SUCH DAMAGE.
25*7453645fSAndriy Voskoboinyk  */
26*7453645fSAndriy Voskoboinyk 
27*7453645fSAndriy Voskoboinyk #include <sys/cdefs.h>
28*7453645fSAndriy Voskoboinyk #include "opt_wlan.h"
29*7453645fSAndriy Voskoboinyk 
30*7453645fSAndriy Voskoboinyk #include <sys/param.h>
31*7453645fSAndriy Voskoboinyk #include <sys/lock.h>
32*7453645fSAndriy Voskoboinyk #include <sys/mutex.h>
33*7453645fSAndriy Voskoboinyk #include <sys/mbuf.h>
34*7453645fSAndriy Voskoboinyk #include <sys/kernel.h>
35*7453645fSAndriy Voskoboinyk #include <sys/socket.h>
36*7453645fSAndriy Voskoboinyk #include <sys/systm.h>
37*7453645fSAndriy Voskoboinyk #include <sys/malloc.h>
38*7453645fSAndriy Voskoboinyk #include <sys/queue.h>
39*7453645fSAndriy Voskoboinyk #include <sys/taskqueue.h>
40*7453645fSAndriy Voskoboinyk #include <sys/bus.h>
41*7453645fSAndriy Voskoboinyk #include <sys/endian.h>
42*7453645fSAndriy Voskoboinyk #include <sys/linker.h>
43*7453645fSAndriy Voskoboinyk 
44*7453645fSAndriy Voskoboinyk #include <net/if.h>
45*7453645fSAndriy Voskoboinyk #include <net/ethernet.h>
46*7453645fSAndriy Voskoboinyk #include <net/if_media.h>
47*7453645fSAndriy Voskoboinyk 
48*7453645fSAndriy Voskoboinyk #include <net80211/ieee80211_var.h>
49*7453645fSAndriy Voskoboinyk #include <net80211/ieee80211_radiotap.h>
50*7453645fSAndriy Voskoboinyk 
51*7453645fSAndriy Voskoboinyk #include <dev/rtwn/if_rtwnreg.h>
52*7453645fSAndriy Voskoboinyk #include <dev/rtwn/if_rtwnvar.h>
53*7453645fSAndriy Voskoboinyk 
54*7453645fSAndriy Voskoboinyk #include <dev/rtwn/rtl8812a/r12a.h>
55*7453645fSAndriy Voskoboinyk #include <dev/rtwn/rtl8812a/r12a_tx_desc.h>
56*7453645fSAndriy Voskoboinyk 
57*7453645fSAndriy Voskoboinyk #include <dev/rtwn/rtl8821a/r21a.h>
58*7453645fSAndriy Voskoboinyk #include <dev/rtwn/rtl8821a/r21a_reg.h>
59*7453645fSAndriy Voskoboinyk 
60*7453645fSAndriy Voskoboinyk void
r21a_beacon_init(struct rtwn_softc * sc,void * buf,int id)61*7453645fSAndriy Voskoboinyk r21a_beacon_init(struct rtwn_softc *sc, void *buf, int id)
62*7453645fSAndriy Voskoboinyk {
63*7453645fSAndriy Voskoboinyk 	struct r12a_tx_desc *txd = (struct r12a_tx_desc *)buf;
64*7453645fSAndriy Voskoboinyk 
65*7453645fSAndriy Voskoboinyk 	r12a_beacon_init(sc, buf, id);
66*7453645fSAndriy Voskoboinyk 
67*7453645fSAndriy Voskoboinyk 	/* XXX sequence number for beacon 1 is not stable. */
68*7453645fSAndriy Voskoboinyk 	txd->txdw3 &= ~htole32(R12A_TXDW3_SEQ_SEL_M);
69*7453645fSAndriy Voskoboinyk 	txd->txdw3 |= htole32(SM(R12A_TXDW3_SEQ_SEL, id * 2));
70*7453645fSAndriy Voskoboinyk }
71*7453645fSAndriy Voskoboinyk 
72*7453645fSAndriy Voskoboinyk void
r21a_beacon_select(struct rtwn_softc * sc,int id)73*7453645fSAndriy Voskoboinyk r21a_beacon_select(struct rtwn_softc *sc, int id)
74*7453645fSAndriy Voskoboinyk {
75*7453645fSAndriy Voskoboinyk 	switch (id) {
76*7453645fSAndriy Voskoboinyk 	case 0:
77*7453645fSAndriy Voskoboinyk 		/* Switch to port 0 beacon. */
78*7453645fSAndriy Voskoboinyk 		rtwn_setbits_1_shift(sc, R21A_DWBCN1_CTRL,
79*7453645fSAndriy Voskoboinyk 		    R21A_DWBCN1_CTRL_SEL_BCN1, 0, 2);
80*7453645fSAndriy Voskoboinyk 		break;
81*7453645fSAndriy Voskoboinyk 	case 1:
82*7453645fSAndriy Voskoboinyk 		/* Switch to port 1 beacon. */
83*7453645fSAndriy Voskoboinyk 		rtwn_setbits_1_shift(sc, R21A_DWBCN1_CTRL,
84*7453645fSAndriy Voskoboinyk 		    0, R21A_DWBCN1_CTRL_SEL_BCN1, 2);
85*7453645fSAndriy Voskoboinyk 		break;
86*7453645fSAndriy Voskoboinyk 	default:
87*7453645fSAndriy Voskoboinyk 		KASSERT(0, ("wrong port id %d\n", id));
88*7453645fSAndriy Voskoboinyk 		break;
89*7453645fSAndriy Voskoboinyk 	}
90*7453645fSAndriy Voskoboinyk }
91