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 static void 59 r92c_set_chains(struct rtwn_softc *sc) 60 { 61 struct r92c_softc *rs = sc->sc_priv; 62 63 if (rs->chip & R92C_CHIP_92C) { 64 sc->ntxchains = (rs->chip & R92C_CHIP_92C_1T2R) ? 1 : 2; 65 sc->nrxchains = 2; 66 } else { 67 sc->ntxchains = 1; 68 sc->nrxchains = 1; 69 } 70 } 71 72 void 73 r92c_efuse_postread(struct rtwn_softc *sc) 74 { 75 struct r92c_softc *rs = sc->sc_priv; 76 77 /* XXX Weird but this is what the vendor driver does. */ 78 sc->next_rom_addr = 0x1fa; 79 (void) rtwn_efuse_read_next(sc, &rs->pa_setting); 80 RTWN_DPRINTF(sc, RTWN_DEBUG_ROM, "%s: PA setting=0x%x\n", __func__, 81 rs->pa_setting); 82 } 83 84 void 85 r92c_parse_rom(struct rtwn_softc *sc, uint8_t *buf) 86 { 87 struct r92c_softc *rs = sc->sc_priv; 88 struct rtwn_r92c_txpwr *rt = rs->rs_txpwr; 89 struct r92c_rom *rom = (struct r92c_rom *)buf; 90 int i, j; 91 92 rs->board_type = MS(rom->rf_opt1, R92C_ROM_RF1_BOARD_TYPE); 93 rs->regulatory = MS(rom->rf_opt1, R92C_ROM_RF1_REGULATORY); 94 RTWN_DPRINTF(sc, RTWN_DEBUG_ROM, "%s: regulatory type=%d\n", 95 __func__, rs->regulatory); 96 97 /* Need to be set before postinit() (but after preinit()). */ 98 rtwn_r92c_set_rom_opts(sc, buf); 99 r92c_set_chains(sc); 100 101 for (j = 0; j < R92C_GROUP_2G; j++) { 102 for (i = 0; i < sc->ntxchains; i++) { 103 rt->cck_tx_pwr[i][j] = rom->cck_tx_pwr[i][j]; 104 rt->ht40_1s_tx_pwr[i][j] = rom->ht40_1s_tx_pwr[i][j]; 105 } 106 107 rt->ht40_2s_tx_pwr_diff[0][j] = 108 MS(rom->ht40_2s_tx_pwr_diff[j], LOW_PART); 109 rt->ht20_tx_pwr_diff[0][j] = 110 RTWN_SIGN4TO8(MS(rom->ht20_tx_pwr_diff[j], 111 LOW_PART)); 112 rt->ofdm_tx_pwr_diff[0][j] = 113 MS(rom->ofdm_tx_pwr_diff[j], LOW_PART); 114 rt->ht40_max_pwr[0][j] = 115 MS(rom->ht40_max_pwr[j], LOW_PART); 116 rt->ht20_max_pwr[0][j] = 117 MS(rom->ht20_max_pwr[j], LOW_PART); 118 119 if (sc->ntxchains > 1) { 120 rt->ht40_2s_tx_pwr_diff[1][j] = 121 MS(rom->ht40_2s_tx_pwr_diff[j], HIGH_PART); 122 rt->ht20_tx_pwr_diff[1][j] = 123 RTWN_SIGN4TO8(MS(rom->ht20_tx_pwr_diff[j], 124 HIGH_PART)); 125 rt->ofdm_tx_pwr_diff[1][j] = 126 MS(rom->ofdm_tx_pwr_diff[j], HIGH_PART); 127 rt->ht40_max_pwr[1][j] = 128 MS(rom->ht40_max_pwr[j], HIGH_PART); 129 rt->ht20_max_pwr[1][j] = 130 MS(rom->ht20_max_pwr[j], HIGH_PART); 131 } 132 } 133 134 sc->thermal_meter = MS(rom->thermal_meter, R92C_ROM_THERMAL_METER); 135 if (sc->thermal_meter == R92C_ROM_THERMAL_METER_M) 136 sc->thermal_meter = 0xff; 137 IEEE80211_ADDR_COPY(sc->sc_ic.ic_macaddr, rom->macaddr); 138 } 139