1 /*-
2 * Copyright (c) 2017 Kevin Lo <kevlo@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 #include "opt_wlan.h"
29
30 #include <sys/param.h>
31 #include <sys/lock.h>
32 #include <sys/mutex.h>
33 #include <sys/mbuf.h>
34 #include <sys/kernel.h>
35 #include <sys/socket.h>
36 #include <sys/systm.h>
37 #include <sys/malloc.h>
38 #include <sys/queue.h>
39 #include <sys/taskqueue.h>
40 #include <sys/bus.h>
41 #include <sys/endian.h>
42 #include <sys/linker.h>
43
44 #include <net/if.h>
45 #include <net/ethernet.h>
46 #include <net/if_media.h>
47
48 #include <net80211/ieee80211_var.h>
49 #include <net80211/ieee80211_radiotap.h>
50
51 #include <dev/rtwn/if_rtwnreg.h>
52 #include <dev/rtwn/if_rtwnvar.h>
53
54 #include <dev/rtwn/if_rtwn_debug.h>
55
56 #include <dev/rtwn/rtl8192e/r92e.h>
57 #include <dev/rtwn/rtl8192e/r92e_var.h>
58 #include <dev/rtwn/rtl8192e/r92e_rom_image.h>
59
60 void
r92e_parse_rom(struct rtwn_softc * sc,uint8_t * buf)61 r92e_parse_rom(struct rtwn_softc *sc, uint8_t *buf)
62 {
63 struct r92e_softc *rs = sc->sc_priv;
64 struct r92e_rom *rom = (struct r92e_rom *)buf;
65 uint8_t pwr_diff;
66 int i, j, k;
67
68 sc->thermal_meter = rom->thermal_meter;
69 rs->crystalcap = RTWN_GET_ROM_VAR(rom->crystalcap,
70 R92E_ROM_CRYSTALCAP_DEF);
71
72 for (i = 0; i < sc->ntxchains; i++) {
73 struct r92e_tx_pwr_2g *pwr_2g = &rom->tx_pwr[i].pwr_2g;
74 struct r92e_tx_pwr_diff_2g *pwr_diff_2g =
75 &rom->tx_pwr[i].pwr_diff_2g;
76
77 for (j = 0; j < R92E_GROUP_2G - 1; j++) {
78 rs->cck_tx_pwr[i][j] =
79 RTWN_GET_ROM_VAR(pwr_2g->cck[j],
80 R92E_DEF_TX_PWR_2G);
81 rs->ht40_tx_pwr_2g[i][j] =
82 RTWN_GET_ROM_VAR(pwr_2g->ht40[j],
83 R92E_DEF_TX_PWR_2G);
84 }
85 rs->cck_tx_pwr[i][j] = RTWN_GET_ROM_VAR(pwr_2g->cck[j],
86 R92E_DEF_TX_PWR_2G);
87
88 rs->cck_tx_pwr_diff_2g[i][0] = 0;
89 rs->ofdm_tx_pwr_diff_2g[i][0] = RTWN_SIGN4TO8(
90 MS(pwr_diff_2g->ht20_ofdm, LOW_PART));
91 rs->bw20_tx_pwr_diff_2g[i][0] = RTWN_SIGN4TO8(
92 MS(pwr_diff_2g->ht20_ofdm, HIGH_PART));
93 rs->bw40_tx_pwr_diff_2g[i][0] = 0;
94 pwr_diff = RTWN_GET_ROM_VAR(pwr_diff_2g->ht20_ofdm,
95 R92E_DEF_TX_PWR_HT20_DIFF);
96 if (pwr_diff != R92E_DEF_TX_PWR_HT20_DIFF) {
97 rs->ofdm_tx_pwr_diff_2g[i][0] = RTWN_SIGN4TO8(
98 MS(pwr_diff_2g->ht20_ofdm, LOW_PART));
99 rs->bw20_tx_pwr_diff_2g[i][0] = RTWN_SIGN4TO8(
100 MS(pwr_diff_2g->ht20_ofdm, HIGH_PART));
101 } else {
102 rs->ofdm_tx_pwr_diff_2g[i][0] =
103 rs->bw20_tx_pwr_diff_2g[i][0] = pwr_diff;
104 }
105
106 for (j = 1, k = 0; k < nitems(pwr_diff_2g->diff123); j++, k++) {
107 pwr_diff = RTWN_GET_ROM_VAR(
108 pwr_diff_2g->diff123[k].ofdm_cck,
109 R92E_DEF_TX_PWR_DIFF);
110 if (pwr_diff != R92E_DEF_TX_PWR_DIFF) {
111 rs->cck_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8(
112 MS(pwr_diff_2g->diff123[k].ofdm_cck,
113 LOW_PART));
114 rs->ofdm_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8(
115 MS(pwr_diff_2g->diff123[k].ofdm_cck,
116 HIGH_PART));
117 } else {
118 rs->cck_tx_pwr_diff_2g[i][j] =
119 rs->ofdm_tx_pwr_diff_2g[i][j] = pwr_diff;
120 }
121 pwr_diff = RTWN_GET_ROM_VAR(
122 pwr_diff_2g->diff123[k].ht40_ht20,
123 R92E_DEF_TX_PWR_DIFF);
124 if (pwr_diff != R92E_DEF_TX_PWR_DIFF) {
125 rs->bw20_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8(
126 MS(pwr_diff_2g->diff123[k].ht40_ht20,
127 LOW_PART));
128 rs->bw40_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8(
129 MS(pwr_diff_2g->diff123[k].ht40_ht20,
130 HIGH_PART));
131 } else {
132 rs->bw20_tx_pwr_diff_2g[i][j] =
133 rs->bw40_tx_pwr_diff_2g[i][j] = pwr_diff;
134 }
135 }
136 }
137
138 rs->regulatory = MS(rom->rf_board_opt, R92C_ROM_RF1_REGULATORY);
139
140 /* Read MAC address. */
141 IEEE80211_ADDR_COPY(sc->sc_ic.ic_macaddr, rom->macaddr);
142 }
143