xref: /freebsd/sys/dev/rtwn/rtl8812a/r12a_rom.c (revision b077aed33b7b6aefca7b17ddb250cf521f938613)
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 void
63 r12a_parse_rom_common(struct rtwn_softc *sc, uint8_t *buf)
64 {
65 	struct r12a_softc *rs = sc->sc_priv;
66 	struct r12a_rom *rom = (struct r12a_rom *)buf;
67 	int i, j, k;
68 
69 	sc->thermal_meter = rom->thermal_meter;
70 	rs->crystalcap = RTWN_GET_ROM_VAR(rom->crystalcap,
71 	    R12A_ROM_CRYSTALCAP_DEF);
72 	rs->tx_bbswing_2g = RTWN_GET_ROM_VAR(rom->tx_bbswing_2g, 0);
73 	rs->tx_bbswing_5g = RTWN_GET_ROM_VAR(rom->tx_bbswing_5g, 0);
74 
75 	for (i = 0; i < sc->ntxchains; i++) {
76 		struct r12a_tx_pwr_2g *pwr_2g = &rom->tx_pwr[i].pwr_2g;
77 		struct r12a_tx_pwr_5g *pwr_5g = &rom->tx_pwr[i].pwr_5g;
78 		struct r12a_tx_pwr_diff_2g *pwr_diff_2g =
79 		    &rom->tx_pwr[i].pwr_diff_2g;
80 		struct r12a_tx_pwr_diff_5g *pwr_diff_5g =
81 		    &rom->tx_pwr[i].pwr_diff_5g;
82 
83 		for (j = 0; j < R12A_GROUP_2G - 1; j++) {
84 			rs->cck_tx_pwr[i][j] =
85 			    RTWN_GET_ROM_VAR(pwr_2g->cck[j],
86 				R12A_DEF_TX_PWR_2G);
87 			rs->ht40_tx_pwr_2g[i][j] =
88 			    RTWN_GET_ROM_VAR(pwr_2g->ht40[j],
89 				R12A_DEF_TX_PWR_2G);
90 		}
91 		rs->cck_tx_pwr[i][j] = RTWN_GET_ROM_VAR(pwr_2g->cck[j],
92 		    R12A_DEF_TX_PWR_2G);
93 
94 		rs->cck_tx_pwr_diff_2g[i][0] = 0;
95 		rs->ofdm_tx_pwr_diff_2g[i][0] = RTWN_SIGN4TO8(
96 		    MS(pwr_diff_2g->ht20_ofdm, LOW_PART));
97 		rs->bw20_tx_pwr_diff_2g[i][0] = RTWN_SIGN4TO8(
98 		    MS(pwr_diff_2g->ht20_ofdm, HIGH_PART));
99 		rs->bw40_tx_pwr_diff_2g[i][0] = 0;
100 
101 		for (j = 1, k = 0; k < nitems(pwr_diff_2g->diff123); j++, k++) {
102 			rs->cck_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8(
103 			    MS(pwr_diff_2g->diff123[k].ofdm_cck, LOW_PART));
104 			rs->ofdm_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8(
105 			    MS(pwr_diff_2g->diff123[k].ofdm_cck, HIGH_PART));
106 			rs->bw20_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8(
107 			    MS(pwr_diff_2g->diff123[k].ht40_ht20, LOW_PART));
108 			rs->bw40_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8(
109 			    MS(pwr_diff_2g->diff123[k].ht40_ht20, HIGH_PART));
110 		}
111 
112 		for (j = 0; j < R12A_GROUP_5G; j++) {
113 			rs->ht40_tx_pwr_5g[i][j] =
114 			    RTWN_GET_ROM_VAR(pwr_5g->ht40[j],
115 				R12A_DEF_TX_PWR_5G);
116 		}
117 
118 		rs->ofdm_tx_pwr_diff_5g[i][0] = RTWN_SIGN4TO8(
119 		    MS(pwr_diff_5g->ht20_ofdm, LOW_PART));
120 		rs->ofdm_tx_pwr_diff_5g[i][1] = RTWN_SIGN4TO8(
121 		    MS(pwr_diff_5g->ofdm_ofdm[0], HIGH_PART));
122 		rs->ofdm_tx_pwr_diff_5g[i][2] = RTWN_SIGN4TO8(
123 		    MS(pwr_diff_5g->ofdm_ofdm[0], LOW_PART));
124 		rs->ofdm_tx_pwr_diff_5g[i][3] = RTWN_SIGN4TO8(
125 		    MS(pwr_diff_5g->ofdm_ofdm[1], LOW_PART));
126 
127 		rs->bw20_tx_pwr_diff_5g[i][0] = RTWN_SIGN4TO8(
128 		    MS(pwr_diff_5g->ht20_ofdm, HIGH_PART));
129 		rs->bw40_tx_pwr_diff_5g[i][0] = 0;
130 		for (j = 1, k = 0; k < nitems(pwr_diff_5g->ht40_ht20);
131 		    j++, k++) {
132 			rs->bw20_tx_pwr_diff_5g[i][j] = RTWN_SIGN4TO8(
133 			    MS(pwr_diff_5g->ht40_ht20[k], LOW_PART));
134 			rs->bw40_tx_pwr_diff_5g[i][j] = RTWN_SIGN4TO8(
135 			    MS(pwr_diff_5g->ht40_ht20[k], HIGH_PART));
136 		}
137 
138 		for (j = 0; j < nitems(pwr_diff_5g->ht80_ht160); j++) {
139 			rs->bw80_tx_pwr_diff_5g[i][j] = RTWN_SIGN4TO8(
140 			    MS(pwr_diff_5g->ht80_ht160[j], HIGH_PART));
141 			rs->bw160_tx_pwr_diff_5g[i][j] = RTWN_SIGN4TO8(
142 			    MS(pwr_diff_5g->ht80_ht160[j], LOW_PART));
143 		}
144 	}
145 
146 	rs->regulatory = MS(rom->rf_board_opt, R92C_ROM_RF1_REGULATORY);
147 	rs->board_type =
148 	    MS(RTWN_GET_ROM_VAR(rom->rf_board_opt, R92C_BOARD_TYPE_DONGLE),
149 		R92C_ROM_RF1_BOARD_TYPE);
150 	RTWN_DPRINTF(sc, RTWN_DEBUG_ROM, "%s: regulatory type=%d\n",
151 	    __func__, rs->regulatory);
152 }
153 
154 void
155 r12a_parse_rom(struct rtwn_softc *sc, uint8_t *buf)
156 {
157 	struct r12a_softc *rs = sc->sc_priv;
158 	struct r12a_rom *rom = (struct r12a_rom *)buf;
159 	uint8_t pa_type, lna_type_2g, lna_type_5g;
160 
161 	/* Read PA/LNA types. */
162 	pa_type = RTWN_GET_ROM_VAR(rom->pa_type, 0);
163 	lna_type_2g = RTWN_GET_ROM_VAR(rom->lna_type_2g, 0);
164 	lna_type_5g = RTWN_GET_ROM_VAR(rom->lna_type_5g, 0);
165 
166 	rs->ext_pa_2g = R12A_ROM_IS_PA_EXT_2GHZ(pa_type);
167 	rs->ext_pa_5g = R12A_ROM_IS_PA_EXT_5GHZ(pa_type);
168 	rs->ext_lna_2g = R21A_ROM_IS_LNA_EXT(lna_type_2g);
169 	rs->ext_lna_5g = R21A_ROM_IS_LNA_EXT(lna_type_5g);
170 	rs->bt_coex = (MS(rom->rf_board_opt, R92C_ROM_RF1_BOARD_TYPE) ==
171 	    R92C_BOARD_TYPE_HIGHPA);
172 	rs->bt_ant_num = (rom->rf_bt_opt & R12A_RF_BT_OPT_ANT_NUM);
173 
174 	if (rs->ext_pa_2g) {
175 		rs->type_pa_2g =
176 		    R12A_GET_ROM_PA_TYPE(lna_type_2g, 0) |
177 		    (R12A_GET_ROM_PA_TYPE(lna_type_2g, 1) << 2);
178 	}
179 	if (rs->ext_pa_5g) {
180 		rs->type_pa_5g =
181 		    R12A_GET_ROM_PA_TYPE(lna_type_5g, 0) |
182 		    (R12A_GET_ROM_PA_TYPE(lna_type_5g, 1) << 2);
183 	}
184 	if (rs->ext_lna_2g) {
185 		rs->type_lna_2g =
186 		    R12A_GET_ROM_LNA_TYPE(lna_type_2g, 0) |
187 		    (R12A_GET_ROM_LNA_TYPE(lna_type_2g, 1) << 2);
188 	}
189 	if (rs->ext_lna_5g) {
190 		rs->type_lna_5g =
191 		    R12A_GET_ROM_LNA_TYPE(lna_type_5g, 0) |
192 		    (R12A_GET_ROM_LNA_TYPE(lna_type_5g, 1) << 2);
193 	}
194 
195 	if (rom->rfe_option & 0x80) {
196 		if (rs->ext_lna_5g) {
197 			if (rs->ext_pa_5g) {
198 				if (rs->ext_pa_2g && rs->ext_lna_2g)
199 					rs->rfe_type = 3;
200 				else
201 					rs->rfe_type = 0;
202 			} else
203 				rs->rfe_type = 2;
204 		} else
205 			rs->rfe_type = 4;
206 	} else {
207 		rs->rfe_type = rom->rfe_option & 0x3f;
208 
209 		/* workaround for incorrect EFUSE map */
210 		if (rs->rfe_type == 4 &&
211 		    rs->ext_pa_2g && rs->ext_lna_2g &&
212 		    rs->ext_pa_5g && rs->ext_lna_5g)
213 			rs->rfe_type = 0;
214 	}
215 
216 	/* Read MAC address. */
217 	IEEE80211_ADDR_COPY(sc->sc_ic.ic_macaddr, rom->macaddr_12a);
218 
219 	/* Execute common part of initialization. */
220 	r12a_parse_rom_common(sc, buf);
221 }
222