xref: /freebsd/sys/dev/rtwn/rtl8821a/r21a_rom.c (revision 389e4940069316fe667ffa263fa7d6390d0a960f)
1 /*-
2  * Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 #include "opt_wlan.h"
31 
32 #include <sys/param.h>
33 #include <sys/lock.h>
34 #include <sys/mutex.h>
35 #include <sys/mbuf.h>
36 #include <sys/kernel.h>
37 #include <sys/socket.h>
38 #include <sys/systm.h>
39 #include <sys/malloc.h>
40 #include <sys/queue.h>
41 #include <sys/taskqueue.h>
42 #include <sys/bus.h>
43 #include <sys/endian.h>
44 #include <sys/linker.h>
45 
46 #include <net/if.h>
47 #include <net/ethernet.h>
48 #include <net/if_media.h>
49 
50 #include <net80211/ieee80211_var.h>
51 #include <net80211/ieee80211_radiotap.h>
52 
53 #include <dev/rtwn/if_rtwnvar.h>
54 
55 #include <dev/rtwn/rtl8812a/r12a.h>
56 #include <dev/rtwn/rtl8812a/r12a_var.h>
57 #include <dev/rtwn/rtl8812a/r12a_rom_image.h>
58 
59 #include <dev/rtwn/rtl8821a/r21a.h>
60 #include <dev/rtwn/rtl8821a/r21a_reg.h>
61 
62 
63 void
64 r21a_parse_rom(struct rtwn_softc *sc, uint8_t *buf)
65 {
66 	struct r12a_softc *rs = sc->sc_priv;
67 	struct r12a_rom *rom = (struct r12a_rom *)buf;
68 	uint8_t pa_type, lna_type_2g, lna_type_5g;
69 
70 	/* Read PA/LNA types. */
71 	pa_type = RTWN_GET_ROM_VAR(rom->pa_type, 0);
72 	lna_type_2g = RTWN_GET_ROM_VAR(rom->lna_type_2g, 0);
73 	lna_type_5g = RTWN_GET_ROM_VAR(rom->lna_type_5g, 0);
74 
75 	rs->ext_pa_2g = R21A_ROM_IS_PA_EXT_2GHZ(pa_type);
76 	rs->ext_pa_5g = R21A_ROM_IS_PA_EXT_5GHZ(pa_type);
77 	rs->ext_lna_2g = R21A_ROM_IS_LNA_EXT(lna_type_2g);
78 	rs->ext_lna_5g = R21A_ROM_IS_LNA_EXT(lna_type_5g);
79 
80 	RTWN_LOCK(sc);
81 	rs->bt_coex =
82 	    !!(rtwn_read_4(sc, R92C_MULTI_FUNC_CTRL) & R92C_MULTI_BT_FUNC_EN);
83 	RTWN_UNLOCK(sc);
84 	rs->bt_ant_num = (rom->rf_bt_opt & R12A_RF_BT_OPT_ANT_NUM);
85 
86 	/* Read MAC address. */
87 	IEEE80211_ADDR_COPY(sc->sc_ic.ic_macaddr, rom->macaddr_21a);
88 
89 	/* Execute common part of initialization. */
90 	r12a_parse_rom_common(sc, buf);
91 }
92