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__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/rtl8192e/r92e.h> 59#include <dev/rtwn/rtl8192e/r92e_var.h> 60#include <dev/rtwn/rtl8192e/r92e_rom_image.h> 61 62void 63r92e_parse_rom(struct rtwn_softc *sc, uint8_t *buf) 64{ 65 struct r92e_softc *rs = sc->sc_priv; 66 struct r92e_rom *rom = (struct r92e_rom *)buf; 67 uint8_t pwr_diff; 68 int i, j, k; 69 70 sc->thermal_meter = rom->thermal_meter; 71 rs->crystalcap = RTWN_GET_ROM_VAR(rom->crystalcap, 72 R92E_ROM_CRYSTALCAP_DEF); 73 74 for (i = 0; i < sc->ntxchains; i++) { 75 struct r92e_tx_pwr_2g *pwr_2g = &rom->tx_pwr[i].pwr_2g; 76 struct r92e_tx_pwr_diff_2g *pwr_diff_2g = 77 &rom->tx_pwr[i].pwr_diff_2g; 78 79 for (j = 0; j < R92E_GROUP_2G - 1; j++) { 80 rs->cck_tx_pwr[i][j] = 81 RTWN_GET_ROM_VAR(pwr_2g->cck[j], 82 R92E_DEF_TX_PWR_2G); 83 rs->ht40_tx_pwr_2g[i][j] = 84 RTWN_GET_ROM_VAR(pwr_2g->ht40[j], 85 R92E_DEF_TX_PWR_2G); 86 } 87 rs->cck_tx_pwr[i][j] = RTWN_GET_ROM_VAR(pwr_2g->cck[j], 88 R92E_DEF_TX_PWR_2G); 89 90 rs->cck_tx_pwr_diff_2g[i][0] = 0; 91 rs->ofdm_tx_pwr_diff_2g[i][0] = RTWN_SIGN4TO8( 92 MS(pwr_diff_2g->ht20_ofdm, LOW_PART)); 93 rs->bw20_tx_pwr_diff_2g[i][0] = RTWN_SIGN4TO8( 94 MS(pwr_diff_2g->ht20_ofdm, HIGH_PART)); 95 rs->bw40_tx_pwr_diff_2g[i][0] = 0; 96 pwr_diff = RTWN_GET_ROM_VAR(pwr_diff_2g->ht20_ofdm, 97 R92E_DEF_TX_PWR_HT20_DIFF); 98 if (pwr_diff != R92E_DEF_TX_PWR_HT20_DIFF) { 99 rs->ofdm_tx_pwr_diff_2g[i][0] = RTWN_SIGN4TO8( 100 MS(pwr_diff_2g->ht20_ofdm, LOW_PART)); 101 rs->bw20_tx_pwr_diff_2g[i][0] = RTWN_SIGN4TO8( 102 MS(pwr_diff_2g->ht20_ofdm, HIGH_PART)); 103 } else { 104 rs->ofdm_tx_pwr_diff_2g[i][0] = 105 rs->bw20_tx_pwr_diff_2g[i][0] = pwr_diff; 106 } 107 108 for (j = 1, k = 0; k < nitems(pwr_diff_2g->diff123); j++, k++) { 109 pwr_diff = RTWN_GET_ROM_VAR( 110 pwr_diff_2g->diff123[k].ofdm_cck, 111 R92E_DEF_TX_PWR_DIFF); 112 if (pwr_diff != R92E_DEF_TX_PWR_DIFF) { 113 rs->cck_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8( 114 MS(pwr_diff_2g->diff123[k].ofdm_cck, 115 LOW_PART)); 116 rs->ofdm_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8( 117 MS(pwr_diff_2g->diff123[k].ofdm_cck, 118 HIGH_PART)); 119 } else { 120 rs->cck_tx_pwr_diff_2g[i][j] = 121 rs->ofdm_tx_pwr_diff_2g[i][j] = pwr_diff; 122 } 123 pwr_diff = RTWN_GET_ROM_VAR( 124 pwr_diff_2g->diff123[k].ht40_ht20, 125 R92E_DEF_TX_PWR_DIFF); 126 if (pwr_diff != R92E_DEF_TX_PWR_DIFF) { 127 rs->bw20_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8( 128 MS(pwr_diff_2g->diff123[k].ht40_ht20, 129 LOW_PART)); 130 rs->bw40_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8( 131 MS(pwr_diff_2g->diff123[k].ht40_ht20, 132 HIGH_PART)); 133 } else { 134 rs->bw20_tx_pwr_diff_2g[i][j] = 135 rs->bw40_tx_pwr_diff_2g[i][j] = pwr_diff; 136 } 137 } 138 } 139 140 rs->regulatory = MS(rom->rf_board_opt, R92C_ROM_RF1_REGULATORY); 141 142 /* Read MAC address. */ 143 IEEE80211_ADDR_COPY(sc->sc_ic.ic_macaddr, rom->macaddr); 144} 145