xref: /freebsd/sys/dev/rtwn/rtl8812a/r12a_rom.c (revision 02e9120893770924227138ba49df1edb3896112a)
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 #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/rtl8812a/r12a.h>
57 #include <dev/rtwn/rtl8812a/r12a_var.h>
58 #include <dev/rtwn/rtl8812a/r12a_rom_image.h>
59 
60 void
61 r12a_parse_rom_common(struct rtwn_softc *sc, uint8_t *buf)
62 {
63 	struct r12a_softc *rs = sc->sc_priv;
64 	struct r12a_rom *rom = (struct r12a_rom *)buf;
65 	int i, j, k;
66 
67 	sc->thermal_meter = rom->thermal_meter;
68 	rs->crystalcap = RTWN_GET_ROM_VAR(rom->crystalcap,
69 	    R12A_ROM_CRYSTALCAP_DEF);
70 	rs->tx_bbswing_2g = RTWN_GET_ROM_VAR(rom->tx_bbswing_2g, 0);
71 	rs->tx_bbswing_5g = RTWN_GET_ROM_VAR(rom->tx_bbswing_5g, 0);
72 
73 	for (i = 0; i < sc->ntxchains; i++) {
74 		struct r12a_tx_pwr_2g *pwr_2g = &rom->tx_pwr[i].pwr_2g;
75 		struct r12a_tx_pwr_5g *pwr_5g = &rom->tx_pwr[i].pwr_5g;
76 		struct r12a_tx_pwr_diff_2g *pwr_diff_2g =
77 		    &rom->tx_pwr[i].pwr_diff_2g;
78 		struct r12a_tx_pwr_diff_5g *pwr_diff_5g =
79 		    &rom->tx_pwr[i].pwr_diff_5g;
80 
81 		for (j = 0; j < R12A_GROUP_2G - 1; j++) {
82 			rs->cck_tx_pwr[i][j] =
83 			    RTWN_GET_ROM_VAR(pwr_2g->cck[j],
84 				R12A_DEF_TX_PWR_2G);
85 			rs->ht40_tx_pwr_2g[i][j] =
86 			    RTWN_GET_ROM_VAR(pwr_2g->ht40[j],
87 				R12A_DEF_TX_PWR_2G);
88 		}
89 		rs->cck_tx_pwr[i][j] = RTWN_GET_ROM_VAR(pwr_2g->cck[j],
90 		    R12A_DEF_TX_PWR_2G);
91 
92 		rs->cck_tx_pwr_diff_2g[i][0] = 0;
93 		rs->ofdm_tx_pwr_diff_2g[i][0] = RTWN_SIGN4TO8(
94 		    MS(pwr_diff_2g->ht20_ofdm, LOW_PART));
95 		rs->bw20_tx_pwr_diff_2g[i][0] = RTWN_SIGN4TO8(
96 		    MS(pwr_diff_2g->ht20_ofdm, HIGH_PART));
97 		rs->bw40_tx_pwr_diff_2g[i][0] = 0;
98 
99 		for (j = 1, k = 0; k < nitems(pwr_diff_2g->diff123); j++, k++) {
100 			rs->cck_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8(
101 			    MS(pwr_diff_2g->diff123[k].ofdm_cck, LOW_PART));
102 			rs->ofdm_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8(
103 			    MS(pwr_diff_2g->diff123[k].ofdm_cck, HIGH_PART));
104 			rs->bw20_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8(
105 			    MS(pwr_diff_2g->diff123[k].ht40_ht20, LOW_PART));
106 			rs->bw40_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8(
107 			    MS(pwr_diff_2g->diff123[k].ht40_ht20, HIGH_PART));
108 		}
109 
110 		for (j = 0; j < R12A_GROUP_5G; j++) {
111 			rs->ht40_tx_pwr_5g[i][j] =
112 			    RTWN_GET_ROM_VAR(pwr_5g->ht40[j],
113 				R12A_DEF_TX_PWR_5G);
114 		}
115 
116 		rs->ofdm_tx_pwr_diff_5g[i][0] = RTWN_SIGN4TO8(
117 		    MS(pwr_diff_5g->ht20_ofdm, LOW_PART));
118 		rs->ofdm_tx_pwr_diff_5g[i][1] = RTWN_SIGN4TO8(
119 		    MS(pwr_diff_5g->ofdm_ofdm[0], HIGH_PART));
120 		rs->ofdm_tx_pwr_diff_5g[i][2] = RTWN_SIGN4TO8(
121 		    MS(pwr_diff_5g->ofdm_ofdm[0], LOW_PART));
122 		rs->ofdm_tx_pwr_diff_5g[i][3] = RTWN_SIGN4TO8(
123 		    MS(pwr_diff_5g->ofdm_ofdm[1], LOW_PART));
124 
125 		rs->bw20_tx_pwr_diff_5g[i][0] = RTWN_SIGN4TO8(
126 		    MS(pwr_diff_5g->ht20_ofdm, HIGH_PART));
127 		rs->bw40_tx_pwr_diff_5g[i][0] = 0;
128 		for (j = 1, k = 0; k < nitems(pwr_diff_5g->ht40_ht20);
129 		    j++, k++) {
130 			rs->bw20_tx_pwr_diff_5g[i][j] = RTWN_SIGN4TO8(
131 			    MS(pwr_diff_5g->ht40_ht20[k], LOW_PART));
132 			rs->bw40_tx_pwr_diff_5g[i][j] = RTWN_SIGN4TO8(
133 			    MS(pwr_diff_5g->ht40_ht20[k], HIGH_PART));
134 		}
135 
136 		for (j = 0; j < nitems(pwr_diff_5g->ht80_ht160); j++) {
137 			rs->bw80_tx_pwr_diff_5g[i][j] = RTWN_SIGN4TO8(
138 			    MS(pwr_diff_5g->ht80_ht160[j], HIGH_PART));
139 			rs->bw160_tx_pwr_diff_5g[i][j] = RTWN_SIGN4TO8(
140 			    MS(pwr_diff_5g->ht80_ht160[j], LOW_PART));
141 		}
142 	}
143 
144 	rs->regulatory = MS(rom->rf_board_opt, R92C_ROM_RF1_REGULATORY);
145 	rs->board_type =
146 	    MS(RTWN_GET_ROM_VAR(rom->rf_board_opt, R92C_BOARD_TYPE_DONGLE),
147 		R92C_ROM_RF1_BOARD_TYPE);
148 	RTWN_DPRINTF(sc, RTWN_DEBUG_ROM, "%s: regulatory type=%d\n",
149 	    __func__, rs->regulatory);
150 }
151 
152 void
153 r12a_parse_rom(struct rtwn_softc *sc, uint8_t *buf)
154 {
155 	struct r12a_softc *rs = sc->sc_priv;
156 	struct r12a_rom *rom = (struct r12a_rom *)buf;
157 	uint8_t pa_type, lna_type_2g, lna_type_5g;
158 
159 	/* Read PA/LNA types. */
160 	pa_type = RTWN_GET_ROM_VAR(rom->pa_type, 0);
161 	lna_type_2g = RTWN_GET_ROM_VAR(rom->lna_type_2g, 0);
162 	lna_type_5g = RTWN_GET_ROM_VAR(rom->lna_type_5g, 0);
163 
164 	rs->ext_pa_2g = R12A_ROM_IS_PA_EXT_2GHZ(pa_type);
165 	rs->ext_pa_5g = R12A_ROM_IS_PA_EXT_5GHZ(pa_type);
166 	rs->ext_lna_2g = R21A_ROM_IS_LNA_EXT(lna_type_2g);
167 	rs->ext_lna_5g = R21A_ROM_IS_LNA_EXT(lna_type_5g);
168 	rs->bt_coex = (MS(rom->rf_board_opt, R92C_ROM_RF1_BOARD_TYPE) ==
169 	    R92C_BOARD_TYPE_HIGHPA);
170 	rs->bt_ant_num = (rom->rf_bt_opt & R12A_RF_BT_OPT_ANT_NUM);
171 
172 	if (rs->ext_pa_2g) {
173 		rs->type_pa_2g =
174 		    R12A_GET_ROM_PA_TYPE(lna_type_2g, 0) |
175 		    (R12A_GET_ROM_PA_TYPE(lna_type_2g, 1) << 2);
176 	}
177 	if (rs->ext_pa_5g) {
178 		rs->type_pa_5g =
179 		    R12A_GET_ROM_PA_TYPE(lna_type_5g, 0) |
180 		    (R12A_GET_ROM_PA_TYPE(lna_type_5g, 1) << 2);
181 	}
182 	if (rs->ext_lna_2g) {
183 		rs->type_lna_2g =
184 		    R12A_GET_ROM_LNA_TYPE(lna_type_2g, 0) |
185 		    (R12A_GET_ROM_LNA_TYPE(lna_type_2g, 1) << 2);
186 	}
187 	if (rs->ext_lna_5g) {
188 		rs->type_lna_5g =
189 		    R12A_GET_ROM_LNA_TYPE(lna_type_5g, 0) |
190 		    (R12A_GET_ROM_LNA_TYPE(lna_type_5g, 1) << 2);
191 	}
192 
193 	if (rom->rfe_option & 0x80) {
194 		if (rs->ext_lna_5g) {
195 			if (rs->ext_pa_5g) {
196 				if (rs->ext_pa_2g && rs->ext_lna_2g)
197 					rs->rfe_type = 3;
198 				else
199 					rs->rfe_type = 0;
200 			} else
201 				rs->rfe_type = 2;
202 		} else
203 			rs->rfe_type = 4;
204 	} else {
205 		rs->rfe_type = rom->rfe_option & 0x3f;
206 
207 		/* workaround for incorrect EFUSE map */
208 		if (rs->rfe_type == 4 &&
209 		    rs->ext_pa_2g && rs->ext_lna_2g &&
210 		    rs->ext_pa_5g && rs->ext_lna_5g)
211 			rs->rfe_type = 0;
212 	}
213 
214 	/* Read MAC address. */
215 	IEEE80211_ADDR_COPY(sc->sc_ic.ic_macaddr, rom->macaddr_12a);
216 
217 	/* Execute common part of initialization. */
218 	r12a_parse_rom_common(sc, buf);
219 }
220