1 /*- 2 * Copyright (c) 2017 Kevin Lo <kevlo@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/rtl8192e/r92e.h> 57 #include <dev/rtwn/rtl8192e/r92e_var.h> 58 #include <dev/rtwn/rtl8192e/r92e_rom_image.h> 59 60 void 61 r92e_parse_rom(struct rtwn_softc *sc, uint8_t *buf) 62 { 63 struct r92e_softc *rs = sc->sc_priv; 64 struct r92e_rom *rom = (struct r92e_rom *)buf; 65 uint8_t pwr_diff; 66 int i, j, k; 67 68 sc->thermal_meter = rom->thermal_meter; 69 rs->crystalcap = RTWN_GET_ROM_VAR(rom->crystalcap, 70 R92E_ROM_CRYSTALCAP_DEF); 71 72 for (i = 0; i < sc->ntxchains; i++) { 73 struct r92e_tx_pwr_2g *pwr_2g = &rom->tx_pwr[i].pwr_2g; 74 struct r92e_tx_pwr_diff_2g *pwr_diff_2g = 75 &rom->tx_pwr[i].pwr_diff_2g; 76 77 for (j = 0; j < R92E_GROUP_2G - 1; j++) { 78 rs->cck_tx_pwr[i][j] = 79 RTWN_GET_ROM_VAR(pwr_2g->cck[j], 80 R92E_DEF_TX_PWR_2G); 81 rs->ht40_tx_pwr_2g[i][j] = 82 RTWN_GET_ROM_VAR(pwr_2g->ht40[j], 83 R92E_DEF_TX_PWR_2G); 84 } 85 rs->cck_tx_pwr[i][j] = RTWN_GET_ROM_VAR(pwr_2g->cck[j], 86 R92E_DEF_TX_PWR_2G); 87 88 rs->cck_tx_pwr_diff_2g[i][0] = 0; 89 rs->ofdm_tx_pwr_diff_2g[i][0] = RTWN_SIGN4TO8( 90 MS(pwr_diff_2g->ht20_ofdm, LOW_PART)); 91 rs->bw20_tx_pwr_diff_2g[i][0] = RTWN_SIGN4TO8( 92 MS(pwr_diff_2g->ht20_ofdm, HIGH_PART)); 93 rs->bw40_tx_pwr_diff_2g[i][0] = 0; 94 pwr_diff = RTWN_GET_ROM_VAR(pwr_diff_2g->ht20_ofdm, 95 R92E_DEF_TX_PWR_HT20_DIFF); 96 if (pwr_diff != R92E_DEF_TX_PWR_HT20_DIFF) { 97 rs->ofdm_tx_pwr_diff_2g[i][0] = RTWN_SIGN4TO8( 98 MS(pwr_diff_2g->ht20_ofdm, LOW_PART)); 99 rs->bw20_tx_pwr_diff_2g[i][0] = RTWN_SIGN4TO8( 100 MS(pwr_diff_2g->ht20_ofdm, HIGH_PART)); 101 } else { 102 rs->ofdm_tx_pwr_diff_2g[i][0] = 103 rs->bw20_tx_pwr_diff_2g[i][0] = pwr_diff; 104 } 105 106 for (j = 1, k = 0; k < nitems(pwr_diff_2g->diff123); j++, k++) { 107 pwr_diff = RTWN_GET_ROM_VAR( 108 pwr_diff_2g->diff123[k].ofdm_cck, 109 R92E_DEF_TX_PWR_DIFF); 110 if (pwr_diff != R92E_DEF_TX_PWR_DIFF) { 111 rs->cck_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8( 112 MS(pwr_diff_2g->diff123[k].ofdm_cck, 113 LOW_PART)); 114 rs->ofdm_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8( 115 MS(pwr_diff_2g->diff123[k].ofdm_cck, 116 HIGH_PART)); 117 } else { 118 rs->cck_tx_pwr_diff_2g[i][j] = 119 rs->ofdm_tx_pwr_diff_2g[i][j] = pwr_diff; 120 } 121 pwr_diff = RTWN_GET_ROM_VAR( 122 pwr_diff_2g->diff123[k].ht40_ht20, 123 R92E_DEF_TX_PWR_DIFF); 124 if (pwr_diff != R92E_DEF_TX_PWR_DIFF) { 125 rs->bw20_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8( 126 MS(pwr_diff_2g->diff123[k].ht40_ht20, 127 LOW_PART)); 128 rs->bw40_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8( 129 MS(pwr_diff_2g->diff123[k].ht40_ht20, 130 HIGH_PART)); 131 } else { 132 rs->bw20_tx_pwr_diff_2g[i][j] = 133 rs->bw40_tx_pwr_diff_2g[i][j] = pwr_diff; 134 } 135 } 136 } 137 138 rs->regulatory = MS(rom->rf_board_opt, R92C_ROM_RF1_REGULATORY); 139 140 /* Read MAC address. */ 141 IEEE80211_ADDR_COPY(sc->sc_ic.ic_macaddr, rom->macaddr); 142 } 143