xref: /freebsd/sys/dev/rtwn/rtl8812a/r12a_rom.c (revision 792bbaba989533a1fc93823df1720c8c4aaf0442)
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_rtwnreg.h>
54 #include <dev/rtwn/if_rtwnvar.h>
55 
56 #include <dev/rtwn/if_rtwn_debug.h>
57 
58 #include <dev/rtwn/rtl8812a/r12a.h>
59 #include <dev/rtwn/rtl8812a/r12a_var.h>
60 #include <dev/rtwn/rtl8812a/r12a_rom_image.h>
61 
62 
63 void
64 r12a_parse_rom_common(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 	int i, j, k;
69 
70 	sc->thermal_meter = rom->thermal_meter;
71 	rs->crystalcap = RTWN_GET_ROM_VAR(rom->crystalcap,
72 	    R12A_ROM_CRYSTALCAP_DEF);
73 	rs->tx_bbswing_2g = RTWN_GET_ROM_VAR(rom->tx_bbswing_2g, 0);
74 	rs->tx_bbswing_5g = RTWN_GET_ROM_VAR(rom->tx_bbswing_5g, 0);
75 
76 	for (i = 0; i < sc->ntxchains; i++) {
77 		struct r12a_tx_pwr_2g *pwr_2g = &rom->tx_pwr[i].pwr_2g;
78 		struct r12a_tx_pwr_5g *pwr_5g = &rom->tx_pwr[i].pwr_5g;
79 		struct r12a_tx_pwr_diff_2g *pwr_diff_2g =
80 		    &rom->tx_pwr[i].pwr_diff_2g;
81 		struct r12a_tx_pwr_diff_5g *pwr_diff_5g =
82 		    &rom->tx_pwr[i].pwr_diff_5g;
83 
84 		for (j = 0; j < R12A_GROUP_2G - 1; j++) {
85 			rs->cck_tx_pwr[i][j] =
86 			    RTWN_GET_ROM_VAR(pwr_2g->cck[j],
87 				R12A_DEF_TX_PWR_2G);
88 			rs->ht40_tx_pwr_2g[i][j] =
89 			    RTWN_GET_ROM_VAR(pwr_2g->ht40[j],
90 				R12A_DEF_TX_PWR_2G);
91 		}
92 		rs->cck_tx_pwr[i][j] = RTWN_GET_ROM_VAR(pwr_2g->cck[j],
93 		    R12A_DEF_TX_PWR_2G);
94 
95 		rs->cck_tx_pwr_diff_2g[i][0] = 0;
96 		rs->ofdm_tx_pwr_diff_2g[i][0] = RTWN_SIGN4TO8(
97 		    MS(pwr_diff_2g->ht20_ofdm, LOW_PART));
98 		rs->bw20_tx_pwr_diff_2g[i][0] = RTWN_SIGN4TO8(
99 		    MS(pwr_diff_2g->ht20_ofdm, HIGH_PART));
100 		rs->bw40_tx_pwr_diff_2g[i][0] = 0;
101 
102 		for (j = 1, k = 0; k < nitems(pwr_diff_2g->diff123); j++, k++) {
103 			rs->cck_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8(
104 			    MS(pwr_diff_2g->diff123[k].ofdm_cck, LOW_PART));
105 			rs->ofdm_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8(
106 			    MS(pwr_diff_2g->diff123[k].ofdm_cck, HIGH_PART));
107 			rs->bw20_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8(
108 			    MS(pwr_diff_2g->diff123[k].ht40_ht20, LOW_PART));
109 			rs->bw40_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8(
110 			    MS(pwr_diff_2g->diff123[k].ht40_ht20, HIGH_PART));
111 		}
112 
113 		for (j = 0; j < R12A_GROUP_5G; j++) {
114 			rs->ht40_tx_pwr_5g[i][j] =
115 			    RTWN_GET_ROM_VAR(pwr_5g->ht40[j],
116 				R12A_DEF_TX_PWR_5G);
117 		}
118 
119 		rs->ofdm_tx_pwr_diff_5g[i][0] = RTWN_SIGN4TO8(
120 		    MS(pwr_diff_5g->ht20_ofdm, LOW_PART));
121 		rs->ofdm_tx_pwr_diff_5g[i][1] = RTWN_SIGN4TO8(
122 		    MS(pwr_diff_5g->ofdm_ofdm[0], HIGH_PART));
123 		rs->ofdm_tx_pwr_diff_5g[i][2] = RTWN_SIGN4TO8(
124 		    MS(pwr_diff_5g->ofdm_ofdm[0], LOW_PART));
125 		rs->ofdm_tx_pwr_diff_5g[i][3] = RTWN_SIGN4TO8(
126 		    MS(pwr_diff_5g->ofdm_ofdm[1], LOW_PART));
127 
128 		rs->bw20_tx_pwr_diff_5g[i][0] = RTWN_SIGN4TO8(
129 		    MS(pwr_diff_5g->ht20_ofdm, HIGH_PART));
130 		rs->bw40_tx_pwr_diff_5g[i][0] = 0;
131 		for (j = 1, k = 0; k < nitems(pwr_diff_5g->ht40_ht20);
132 		    j++, k++) {
133 			rs->bw20_tx_pwr_diff_5g[i][j] = RTWN_SIGN4TO8(
134 			    MS(pwr_diff_5g->ht40_ht20[k], LOW_PART));
135 			rs->bw40_tx_pwr_diff_5g[i][j] = RTWN_SIGN4TO8(
136 			    MS(pwr_diff_5g->ht40_ht20[k], HIGH_PART));
137 		}
138 
139 		for (j = 0; j < nitems(pwr_diff_5g->ht80_ht160); j++) {
140 			rs->bw80_tx_pwr_diff_5g[i][j] = RTWN_SIGN4TO8(
141 			    MS(pwr_diff_5g->ht80_ht160[j], HIGH_PART));
142 			rs->bw160_tx_pwr_diff_5g[i][j] = RTWN_SIGN4TO8(
143 			    MS(pwr_diff_5g->ht80_ht160[j], LOW_PART));
144 		}
145 	}
146 
147 	rs->regulatory = MS(rom->rf_board_opt, R92C_ROM_RF1_REGULATORY);
148 	rs->board_type =
149 	    MS(RTWN_GET_ROM_VAR(rom->rf_board_opt, R92C_BOARD_TYPE_DONGLE),
150 		R92C_ROM_RF1_BOARD_TYPE);
151 	RTWN_DPRINTF(sc, RTWN_DEBUG_ROM, "%s: regulatory type=%d\n",
152 	    __func__, rs->regulatory);
153 }
154 
155 void
156 r12a_parse_rom(struct rtwn_softc *sc, uint8_t *buf)
157 {
158 	struct r12a_softc *rs = sc->sc_priv;
159 	struct r12a_rom *rom = (struct r12a_rom *)buf;
160 	uint8_t pa_type, lna_type_2g, lna_type_5g;
161 
162 	/* Read PA/LNA types. */
163 	pa_type = RTWN_GET_ROM_VAR(rom->pa_type, 0);
164 	lna_type_2g = RTWN_GET_ROM_VAR(rom->lna_type_2g, 0);
165 	lna_type_5g = RTWN_GET_ROM_VAR(rom->lna_type_5g, 0);
166 
167 	rs->ext_pa_2g = R12A_ROM_IS_PA_EXT_2GHZ(pa_type);
168 	rs->ext_pa_5g = R12A_ROM_IS_PA_EXT_5GHZ(pa_type);
169 	rs->ext_lna_2g = R21A_ROM_IS_LNA_EXT(lna_type_2g);
170 	rs->ext_lna_5g = R21A_ROM_IS_LNA_EXT(lna_type_5g);
171 	rs->bt_coex = (MS(rom->rf_board_opt, R92C_ROM_RF1_BOARD_TYPE) ==
172 	    R92C_BOARD_TYPE_HIGHPA);
173 	rs->bt_ant_num = (rom->rf_bt_opt & R12A_RF_BT_OPT_ANT_NUM);
174 
175 	if (rs->ext_pa_2g) {
176 		rs->type_pa_2g =
177 		    R12A_GET_ROM_PA_TYPE(lna_type_2g, 0) |
178 		    (R12A_GET_ROM_PA_TYPE(lna_type_2g, 1) << 2);
179 	}
180 	if (rs->ext_pa_5g) {
181 		rs->type_pa_5g =
182 		    R12A_GET_ROM_PA_TYPE(lna_type_5g, 0) |
183 		    (R12A_GET_ROM_PA_TYPE(lna_type_5g, 1) << 2);
184 	}
185 	if (rs->ext_lna_2g) {
186 		rs->type_lna_2g =
187 		    R12A_GET_ROM_LNA_TYPE(lna_type_2g, 0) |
188 		    (R12A_GET_ROM_LNA_TYPE(lna_type_2g, 1) << 2);
189 	}
190 	if (rs->ext_lna_5g) {
191 		rs->type_lna_5g =
192 		    R12A_GET_ROM_LNA_TYPE(lna_type_5g, 0) |
193 		    (R12A_GET_ROM_LNA_TYPE(lna_type_5g, 1) << 2);
194 	}
195 
196 	if (rom->rfe_option & 0x80) {
197 		if (rs->ext_lna_5g) {
198 			if (rs->ext_pa_5g) {
199 				if (rs->ext_pa_2g && rs->ext_lna_2g)
200 					rs->rfe_type = 3;
201 				else
202 					rs->rfe_type = 0;
203 			} else
204 				rs->rfe_type = 2;
205 		} else
206 			rs->rfe_type = 4;
207 	} else {
208 		rs->rfe_type = rom->rfe_option & 0x3f;
209 
210 		/* workaround for incorrect EFUSE map */
211 		if (rs->rfe_type == 4 &&
212 		    rs->ext_pa_2g && rs->ext_lna_2g &&
213 		    rs->ext_pa_5g && rs->ext_lna_5g)
214 			rs->rfe_type = 0;
215 	}
216 
217 	/* Read MAC address. */
218 	IEEE80211_ADDR_COPY(sc->sc_ic.ic_macaddr, rom->macaddr_12a);
219 
220 	/* Execute common part of initialization. */
221 	r12a_parse_rom_common(sc, buf);
222 }
223