1 /* $OpenBSD: if_urtwn.c,v 1.16 2011/02/10 17:26:40 jakemsr Exp $ */ 2 3 /*- 4 * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr> 5 * Copyright (c) 2014 Kevin Lo <kevlo@FreeBSD.org> 6 * Copyright (c) 2015-2016 Andriy Voskoboinyk <avos@FreeBSD.org> 7 * 8 * Permission to use, copy, modify, and distribute this software for any 9 * purpose with or without fee is hereby granted, provided that the above 10 * copyright notice and this permission notice appear in all copies. 11 * 12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 19 */ 20 21 #include <sys/cdefs.h> 22 __FBSDID("$FreeBSD$"); 23 24 #include "opt_wlan.h" 25 26 #include <sys/param.h> 27 #include <sys/lock.h> 28 #include <sys/mutex.h> 29 #include <sys/mbuf.h> 30 #include <sys/kernel.h> 31 #include <sys/socket.h> 32 #include <sys/systm.h> 33 #include <sys/malloc.h> 34 #include <sys/queue.h> 35 #include <sys/taskqueue.h> 36 #include <sys/bus.h> 37 #include <sys/endian.h> 38 #include <sys/linker.h> 39 40 #include <net/if.h> 41 #include <net/ethernet.h> 42 #include <net/if_media.h> 43 44 #include <net80211/ieee80211_var.h> 45 #include <net80211/ieee80211_radiotap.h> 46 47 #include <dev/rtwn/if_rtwnreg.h> 48 #include <dev/rtwn/if_rtwnvar.h> 49 50 #include <dev/rtwn/if_rtwn_debug.h> 51 #include <dev/rtwn/if_rtwn_efuse.h> 52 53 #include <dev/rtwn/rtl8192c/r92c.h> 54 #include <dev/rtwn/rtl8192c/r92c_priv.h> 55 #include <dev/rtwn/rtl8192c/r92c_var.h> 56 #include <dev/rtwn/rtl8192c/r92c_rom_image.h> 57 58 59 static void 60 r92c_set_chains(struct rtwn_softc *sc) 61 { 62 struct r92c_softc *rs = sc->sc_priv; 63 64 if (rs->chip & R92C_CHIP_92C) { 65 sc->ntxchains = (rs->chip & R92C_CHIP_92C_1T2R) ? 1 : 2; 66 sc->nrxchains = 2; 67 } else { 68 sc->ntxchains = 1; 69 sc->nrxchains = 1; 70 } 71 } 72 73 void 74 r92c_efuse_postread(struct rtwn_softc *sc) 75 { 76 struct r92c_softc *rs = sc->sc_priv; 77 78 /* XXX Weird but this is what the vendor driver does. */ 79 sc->next_rom_addr = 0x1fa; 80 (void) rtwn_efuse_read_next(sc, &rs->pa_setting); 81 RTWN_DPRINTF(sc, RTWN_DEBUG_ROM, "%s: PA setting=0x%x\n", __func__, 82 rs->pa_setting); 83 } 84 85 void 86 r92c_parse_rom(struct rtwn_softc *sc, uint8_t *buf) 87 { 88 struct r92c_softc *rs = sc->sc_priv; 89 struct rtwn_r92c_txpwr *rt = rs->rs_txpwr; 90 struct r92c_rom *rom = (struct r92c_rom *)buf; 91 int i, j; 92 93 rs->board_type = MS(rom->rf_opt1, R92C_ROM_RF1_BOARD_TYPE); 94 rs->regulatory = MS(rom->rf_opt1, R92C_ROM_RF1_REGULATORY); 95 RTWN_DPRINTF(sc, RTWN_DEBUG_ROM, "%s: regulatory type=%d\n", 96 __func__, rs->regulatory); 97 98 /* Need to be set before postinit() (but after preinit()). */ 99 rtwn_r92c_set_rom_opts(sc, buf); 100 r92c_set_chains(sc); 101 102 for (j = 0; j < R92C_GROUP_2G; j++) { 103 for (i = 0; i < sc->ntxchains; i++) { 104 rt->cck_tx_pwr[i][j] = rom->cck_tx_pwr[i][j]; 105 rt->ht40_1s_tx_pwr[i][j] = rom->ht40_1s_tx_pwr[i][j]; 106 } 107 108 rt->ht40_2s_tx_pwr_diff[0][j] = 109 MS(rom->ht40_2s_tx_pwr_diff[j], LOW_PART); 110 rt->ht20_tx_pwr_diff[0][j] = 111 RTWN_SIGN4TO8(MS(rom->ht20_tx_pwr_diff[j], 112 LOW_PART)); 113 rt->ofdm_tx_pwr_diff[0][j] = 114 MS(rom->ofdm_tx_pwr_diff[j], LOW_PART); 115 rt->ht40_max_pwr[0][j] = 116 MS(rom->ht40_max_pwr[j], LOW_PART); 117 rt->ht20_max_pwr[0][j] = 118 MS(rom->ht20_max_pwr[j], LOW_PART); 119 120 if (sc->ntxchains > 1) { 121 rt->ht40_2s_tx_pwr_diff[1][j] = 122 MS(rom->ht40_2s_tx_pwr_diff[j], HIGH_PART); 123 rt->ht20_tx_pwr_diff[1][j] = 124 RTWN_SIGN4TO8(MS(rom->ht20_tx_pwr_diff[j], 125 HIGH_PART)); 126 rt->ofdm_tx_pwr_diff[1][j] = 127 MS(rom->ofdm_tx_pwr_diff[j], HIGH_PART); 128 rt->ht40_max_pwr[1][j] = 129 MS(rom->ht40_max_pwr[j], HIGH_PART); 130 rt->ht20_max_pwr[1][j] = 131 MS(rom->ht20_max_pwr[j], HIGH_PART); 132 } 133 } 134 135 sc->thermal_meter = MS(rom->thermal_meter, R92C_ROM_THERMAL_METER); 136 if (sc->thermal_meter == R92C_ROM_THERMAL_METER_M) 137 sc->thermal_meter = 0xff; 138 IEEE80211_ADDR_COPY(sc->sc_ic.ic_macaddr, rom->macaddr); 139 } 140