145 lines
4.7 KiB
C
145 lines
4.7 KiB
C
/*-
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* Copyright (c) 2017 Kevin Lo <kevlo@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_wlan.h"
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#include <sys/param.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/mbuf.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/queue.h>
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#include <sys/taskqueue.h>
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#include <sys/bus.h>
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#include <sys/endian.h>
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#include <sys/linker.h>
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#include <net/if.h>
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#include <net/ethernet.h>
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#include <net/if_media.h>
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#include <net80211/ieee80211_var.h>
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#include <net80211/ieee80211_radiotap.h>
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#include <dev/rtwn/if_rtwnreg.h>
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#include <dev/rtwn/if_rtwnvar.h>
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#include <dev/rtwn/if_rtwn_debug.h>
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#include <dev/rtwn/rtl8192e/r92e.h>
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#include <dev/rtwn/rtl8192e/r92e_var.h>
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#include <dev/rtwn/rtl8192e/r92e_rom_image.h>
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void
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r92e_parse_rom(struct rtwn_softc *sc, uint8_t *buf)
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{
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struct r92e_softc *rs = sc->sc_priv;
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struct r92e_rom *rom = (struct r92e_rom *)buf;
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uint8_t pwr_diff;
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int i, j, k;
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sc->thermal_meter = rom->thermal_meter;
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rs->crystalcap = RTWN_GET_ROM_VAR(rom->crystalcap,
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R92E_ROM_CRYSTALCAP_DEF);
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for (i = 0; i < sc->ntxchains; i++) {
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struct r92e_tx_pwr_2g *pwr_2g = &rom->tx_pwr[i].pwr_2g;
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struct r92e_tx_pwr_diff_2g *pwr_diff_2g =
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&rom->tx_pwr[i].pwr_diff_2g;
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for (j = 0; j < R92E_GROUP_2G - 1; j++) {
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rs->cck_tx_pwr[i][j] =
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RTWN_GET_ROM_VAR(pwr_2g->cck[j],
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R92E_DEF_TX_PWR_2G);
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rs->ht40_tx_pwr_2g[i][j] =
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RTWN_GET_ROM_VAR(pwr_2g->ht40[j],
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R92E_DEF_TX_PWR_2G);
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}
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rs->cck_tx_pwr[i][j] = RTWN_GET_ROM_VAR(pwr_2g->cck[j],
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R92E_DEF_TX_PWR_2G);
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rs->cck_tx_pwr_diff_2g[i][0] = 0;
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rs->ofdm_tx_pwr_diff_2g[i][0] = RTWN_SIGN4TO8(
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MS(pwr_diff_2g->ht20_ofdm, LOW_PART));
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rs->bw20_tx_pwr_diff_2g[i][0] = RTWN_SIGN4TO8(
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MS(pwr_diff_2g->ht20_ofdm, HIGH_PART));
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rs->bw40_tx_pwr_diff_2g[i][0] = 0;
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pwr_diff = RTWN_GET_ROM_VAR(pwr_diff_2g->ht20_ofdm,
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R92E_DEF_TX_PWR_HT20_DIFF);
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if (pwr_diff != R92E_DEF_TX_PWR_HT20_DIFF) {
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rs->ofdm_tx_pwr_diff_2g[i][0] = RTWN_SIGN4TO8(
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MS(pwr_diff_2g->ht20_ofdm, LOW_PART));
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rs->bw20_tx_pwr_diff_2g[i][0] = RTWN_SIGN4TO8(
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MS(pwr_diff_2g->ht20_ofdm, HIGH_PART));
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} else {
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rs->ofdm_tx_pwr_diff_2g[i][0] =
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rs->bw20_tx_pwr_diff_2g[i][0] = pwr_diff;
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}
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for (j = 1, k = 0; k < nitems(pwr_diff_2g->diff123); j++, k++) {
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pwr_diff = RTWN_GET_ROM_VAR(
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pwr_diff_2g->diff123[k].ofdm_cck,
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R92E_DEF_TX_PWR_DIFF);
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if (pwr_diff != R92E_DEF_TX_PWR_DIFF) {
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rs->cck_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8(
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MS(pwr_diff_2g->diff123[k].ofdm_cck,
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LOW_PART));
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rs->ofdm_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8(
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MS(pwr_diff_2g->diff123[k].ofdm_cck,
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HIGH_PART));
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} else {
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rs->cck_tx_pwr_diff_2g[i][j] =
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rs->ofdm_tx_pwr_diff_2g[i][j] = pwr_diff;
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}
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pwr_diff = RTWN_GET_ROM_VAR(
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pwr_diff_2g->diff123[k].ht40_ht20,
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R92E_DEF_TX_PWR_DIFF);
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if (pwr_diff != R92E_DEF_TX_PWR_DIFF) {
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rs->bw20_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8(
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MS(pwr_diff_2g->diff123[k].ht40_ht20,
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LOW_PART));
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rs->bw40_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8(
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MS(pwr_diff_2g->diff123[k].ht40_ht20,
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HIGH_PART));
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} else {
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rs->bw20_tx_pwr_diff_2g[i][j] =
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rs->bw40_tx_pwr_diff_2g[i][j] = pwr_diff;
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}
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}
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}
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rs->regulatory = MS(rom->rf_board_opt, R92C_ROM_RF1_REGULATORY);
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/* Read MAC address. */
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IEEE80211_ADDR_COPY(sc->sc_ic.ic_macaddr, rom->macaddr);
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}
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