freebsd-dev/sys/dev/rtwn/rtl8192e/r92e_rom.c
Kevin Lo 60b9567d16 Add support for the Realtek RTL8192EU chipset.
Committed over the D-Link DWA-131 rev E1 on amd64 with WPA.

Reviewed by:	avos
2017-01-24 02:35:38 +00:00

145 lines
4.7 KiB
C

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