freebsd-dev/sys/dev/bwn/if_bwn_phy_g.c
Landon J. Fuller e8a81142ab bwn(4): Fix outstanding bug in PHY-G tssi2dbm table generation caught by
-Wconstant-conversion, and remove now unnecessary warning suppression
flags.
2018-02-12 22:21:11 +00:00

3628 lines
97 KiB
C

/*-
* Copyright (c) 2009-2010 Weongyo Jeong <weongyo@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,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
* redistribution must be conditioned upon including a substantially
* similar Disclaimer requirement for further binary redistribution.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "opt_bwn.h"
#include "opt_wlan.h"
/*
* The Broadcom Wireless LAN controller driver.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/module.h>
#include <sys/endian.h>
#include <sys/errno.h>
#include <sys/firmware.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/bus.h>
#include <sys/rman.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <net/ethernet.h>
#include <net/if.h>
#include <net/if_var.h>
#include <net/if_arp.h>
#include <net/if_dl.h>
#include <net/if_llc.h>
#include <net/if_media.h>
#include <net/if_types.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_radiotap.h>
#include <net80211/ieee80211_regdomain.h>
#include <net80211/ieee80211_phy.h>
#include <net80211/ieee80211_ratectl.h>
#include <dev/bwn/if_bwnreg.h>
#include <dev/bwn/if_bwnvar.h>
#include <dev/bwn/if_bwn_debug.h>
#include <dev/bwn/if_bwn_misc.h>
#include <dev/bwn/if_bwn_phy_g.h>
#include "bhnd_nvram_map.h"
static void bwn_phy_g_init_sub(struct bwn_mac *);
static uint8_t bwn_has_hwpctl(struct bwn_mac *);
static void bwn_phy_init_b5(struct bwn_mac *);
static void bwn_phy_init_b6(struct bwn_mac *);
static void bwn_phy_init_a(struct bwn_mac *);
static void bwn_loopback_calcgain(struct bwn_mac *);
static uint16_t bwn_rf_init_bcm2050(struct bwn_mac *);
static void bwn_lo_g_init(struct bwn_mac *);
static void bwn_lo_g_adjust(struct bwn_mac *);
static void bwn_lo_get_powervector(struct bwn_mac *);
static struct bwn_lo_calib *bwn_lo_calibset(struct bwn_mac *,
const struct bwn_bbatt *, const struct bwn_rfatt *);
static void bwn_lo_write(struct bwn_mac *, struct bwn_loctl *);
static void bwn_phy_hwpctl_init(struct bwn_mac *);
static void bwn_phy_g_switch_chan(struct bwn_mac *, int, uint8_t);
static void bwn_phy_g_set_txpwr_sub(struct bwn_mac *,
const struct bwn_bbatt *, const struct bwn_rfatt *,
uint8_t);
static void bwn_phy_g_set_bbatt(struct bwn_mac *, uint16_t);
static uint16_t bwn_rf_2050_rfoverval(struct bwn_mac *, uint16_t, uint32_t);
static void bwn_spu_workaround(struct bwn_mac *, uint8_t);
static void bwn_wa_init(struct bwn_mac *);
static void bwn_ofdmtab_write_2(struct bwn_mac *, uint16_t, uint16_t,
uint16_t);
static void bwn_ofdmtab_write_4(struct bwn_mac *, uint16_t, uint16_t,
uint32_t);
static void bwn_gtab_write(struct bwn_mac *, uint16_t, uint16_t,
uint16_t);
static int16_t bwn_nrssi_read(struct bwn_mac *, uint16_t);
static void bwn_nrssi_offset(struct bwn_mac *);
static void bwn_nrssi_threshold(struct bwn_mac *);
static void bwn_nrssi_slope_11g(struct bwn_mac *);
static void bwn_set_all_gains(struct bwn_mac *, int16_t, int16_t,
int16_t);
static void bwn_set_original_gains(struct bwn_mac *);
static void bwn_hwpctl_early_init(struct bwn_mac *);
static void bwn_hwpctl_init_gphy(struct bwn_mac *);
static uint16_t bwn_phy_g_chan2freq(uint8_t);
static void bwn_phy_g_dc_lookup_init(struct bwn_mac *, uint8_t);
/* Stuff we need */
static uint16_t bwn_phy_g_txctl(struct bwn_mac *mac);
static int bwn_phy_shm_tssi_read(struct bwn_mac *mac, uint16_t shm_offset);
static void bwn_phy_g_setatt(struct bwn_mac *mac, int *bbattp, int *rfattp);
static void bwn_phy_lock(struct bwn_mac *mac);
static void bwn_phy_unlock(struct bwn_mac *mac);
static void bwn_rf_lock(struct bwn_mac *mac);
static void bwn_rf_unlock(struct bwn_mac *mac);
static const uint16_t bwn_tab_noise_g1[] = BWN_TAB_NOISE_G1;
static const uint16_t bwn_tab_noise_g2[] = BWN_TAB_NOISE_G2;
static const uint16_t bwn_tab_noisescale_g1[] = BWN_TAB_NOISESCALE_G1;
static const uint16_t bwn_tab_noisescale_g2[] = BWN_TAB_NOISESCALE_G2;
static const uint16_t bwn_tab_noisescale_g3[] = BWN_TAB_NOISESCALE_G3;
const uint8_t bwn_bitrev_table[256] = BWN_BITREV_TABLE;
static uint8_t
bwn_has_hwpctl(struct bwn_mac *mac)
{
if (mac->mac_phy.hwpctl == 0 || mac->mac_phy.use_hwpctl == NULL)
return (0);
return (mac->mac_phy.use_hwpctl(mac));
}
int
bwn_phy_g_attach(struct bwn_mac *mac)
{
struct bwn_softc *sc = mac->mac_sc;
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
unsigned int i;
int16_t pab0, pab1, pab2;
static int8_t bwn_phy_g_tssi2dbm_table[] = BWN_PHY_G_TSSI2DBM_TABLE;
int8_t bg;
int error;
/* Fetch SPROM configuration */
#define BWN_PHY_G_READVAR(_dev, _type, _name, _result) \
do { \
error = bhnd_nvram_getvar_ ##_type((_dev), (_name), (_result)); \
if (error) { \
device_printf((_dev), "NVRAM variable %s unreadable: " \
"%d\n", (_name), error); \
return (error); \
} \
} while(0)
BWN_PHY_G_READVAR(sc->sc_dev, int8, BHND_NVAR_PA0ITSSIT, &bg);
BWN_PHY_G_READVAR(sc->sc_dev, int16, BHND_NVAR_PA0B0, &pab0);
BWN_PHY_G_READVAR(sc->sc_dev, int16, BHND_NVAR_PA0B1, &pab1);
BWN_PHY_G_READVAR(sc->sc_dev, int16, BHND_NVAR_PA0B2, &pab2);
BWN_PHY_G_READVAR(sc->sc_dev, int16, BHND_NVAR_PA0MAXPWR,
&pg->pg_pa0maxpwr);
#undef BWN_PHY_G_READVAR
pg->pg_flags = 0;
if (pab0 == 0 || pab1 == 0 || pab2 == 0 || pab0 == -1 || pab1 == -1 ||
pab2 == -1) {
pg->pg_idletssi = 52;
pg->pg_tssi2dbm = bwn_phy_g_tssi2dbm_table;
return (0);
}
pg->pg_idletssi = (bg == 0 || bg == -1) ? 62 : bg;
pg->pg_tssi2dbm = (uint8_t *)malloc(64, M_DEVBUF, M_NOWAIT | M_ZERO);
if (pg->pg_tssi2dbm == NULL) {
device_printf(sc->sc_dev, "failed to allocate buffer\n");
return (ENOMEM);
}
for (i = 0; i < 64; i++) {
int32_t m1, m2, f, q, delta;
int8_t j = 0;
m1 = BWN_TSSI2DBM(16 * pab0 + i * pab1, 32);
m2 = MAX(BWN_TSSI2DBM(32768 + i * pab2, 256), 1);
f = 256;
do {
if (j > 15) {
device_printf(sc->sc_dev,
"failed to generate tssi2dBm\n");
free(pg->pg_tssi2dbm, M_DEVBUF);
return (ENOMEM);
}
q = BWN_TSSI2DBM(f * 4096 - BWN_TSSI2DBM(m2 * f, 16) *
f, 2048);
delta = abs(q - f);
f = q;
j++;
} while (delta >= 2);
pg->pg_tssi2dbm[i] = MIN(MAX(BWN_TSSI2DBM(m1 * f, 8192), -127),
127);
}
pg->pg_flags |= BWN_PHY_G_FLAG_TSSITABLE_ALLOC;
return (0);
}
void
bwn_phy_g_detach(struct bwn_mac *mac)
{
struct bwn_phy_g *pg = &mac->mac_phy.phy_g;
if (pg->pg_flags & BWN_PHY_G_FLAG_TSSITABLE_ALLOC) {
free(pg->pg_tssi2dbm, M_DEVBUF);
pg->pg_tssi2dbm = NULL;
}
pg->pg_flags = 0;
}
void
bwn_phy_g_init_pre(struct bwn_mac *mac)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
void *tssi2dbm;
int idletssi;
unsigned int i;
tssi2dbm = pg->pg_tssi2dbm;
idletssi = pg->pg_idletssi;
memset(pg, 0, sizeof(*pg));
pg->pg_tssi2dbm = tssi2dbm;
pg->pg_idletssi = idletssi;
memset(pg->pg_minlowsig, 0xff, sizeof(pg->pg_minlowsig));
for (i = 0; i < N(pg->pg_nrssi); i++)
pg->pg_nrssi[i] = -1000;
for (i = 0; i < N(pg->pg_nrssi_lt); i++)
pg->pg_nrssi_lt[i] = i;
pg->pg_lofcal = 0xffff;
pg->pg_initval = 0xffff;
pg->pg_immode = BWN_IMMODE_NONE;
pg->pg_ofdmtab_dir = BWN_OFDMTAB_DIR_UNKNOWN;
pg->pg_avgtssi = 0xff;
pg->pg_loctl.tx_bias = 0xff;
TAILQ_INIT(&pg->pg_loctl.calib_list);
}
int
bwn_phy_g_prepare_hw(struct bwn_mac *mac)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
struct bwn_softc *sc = mac->mac_sc;
struct bwn_txpwr_loctl *lo = &pg->pg_loctl;
static const struct bwn_rfatt rfatt0[] = {
{ 3, 0 }, { 1, 0 }, { 5, 0 }, { 7, 0 }, { 9, 0 }, { 2, 0 },
{ 0, 0 }, { 4, 0 }, { 6, 0 }, { 8, 0 }, { 1, 1 }, { 2, 1 },
{ 3, 1 }, { 4, 1 }
};
static const struct bwn_rfatt rfatt1[] = {
{ 2, 1 }, { 4, 1 }, { 6, 1 }, { 8, 1 }, { 10, 1 }, { 12, 1 },
{ 14, 1 }
};
static const struct bwn_rfatt rfatt2[] = {
{ 0, 1 }, { 2, 1 }, { 4, 1 }, { 6, 1 }, { 8, 1 }, { 9, 1 },
{ 9, 1 }
};
static const struct bwn_bbatt bbatt_0[] = {
{ 0 }, { 1 }, { 2 }, { 3 }, { 4 }, { 5 }, { 6 }, { 7 }, { 8 }
};
KASSERT(phy->type == BWN_PHYTYPE_G, ("%s fail", __func__));
if (phy->rf_ver == 0x2050 && phy->rf_rev < 6)
pg->pg_bbatt.att = 0;
else
pg->pg_bbatt.att = 2;
/* prepare Radio Attenuation */
pg->pg_rfatt.padmix = 0;
if (sc->sc_board_info.board_vendor == PCI_VENDOR_BROADCOM &&
sc->sc_board_info.board_type == BHND_BOARD_BCM94309G) {
if (sc->sc_board_info.board_rev < 0x43) {
pg->pg_rfatt.att = 2;
goto done;
} else if (sc->sc_board_info.board_rev < 0x51) {
pg->pg_rfatt.att = 3;
goto done;
}
}
if (phy->type == BWN_PHYTYPE_A) {
pg->pg_rfatt.att = 0x60;
goto done;
}
switch (phy->rf_ver) {
case 0x2050:
switch (phy->rf_rev) {
case 0:
pg->pg_rfatt.att = 5;
goto done;
case 1:
if (phy->type == BWN_PHYTYPE_G) {
if (sc->sc_board_info.board_vendor ==
PCI_VENDOR_BROADCOM &&
sc->sc_board_info.board_type ==
BHND_BOARD_BCM94309G &&
sc->sc_board_info.board_rev >= 30)
pg->pg_rfatt.att = 3;
else if (sc->sc_board_info.board_vendor ==
PCI_VENDOR_BROADCOM &&
sc->sc_board_info.board_type ==
BHND_BOARD_BU4306)
pg->pg_rfatt.att = 3;
else
pg->pg_rfatt.att = 1;
} else {
if (sc->sc_board_info.board_vendor ==
PCI_VENDOR_BROADCOM &&
sc->sc_board_info.board_type ==
BHND_BOARD_BCM94309G &&
sc->sc_board_info.board_rev >= 30)
pg->pg_rfatt.att = 7;
else
pg->pg_rfatt.att = 6;
}
goto done;
case 2:
if (phy->type == BWN_PHYTYPE_G) {
if (sc->sc_board_info.board_vendor ==
PCI_VENDOR_BROADCOM &&
sc->sc_board_info.board_type ==
BHND_BOARD_BCM94309G &&
sc->sc_board_info.board_rev >= 30)
pg->pg_rfatt.att = 3;
else if (sc->sc_board_info.board_vendor ==
PCI_VENDOR_BROADCOM &&
sc->sc_board_info.board_type ==
BHND_BOARD_BU4306)
pg->pg_rfatt.att = 5;
else if (sc->sc_cid.chip_id ==
BHND_CHIPID_BCM4320)
pg->pg_rfatt.att = 4;
else
pg->pg_rfatt.att = 3;
} else
pg->pg_rfatt.att = 6;
goto done;
case 3:
pg->pg_rfatt.att = 5;
goto done;
case 4:
case 5:
pg->pg_rfatt.att = 1;
goto done;
case 6:
case 7:
pg->pg_rfatt.att = 5;
goto done;
case 8:
pg->pg_rfatt.att = 0xa;
pg->pg_rfatt.padmix = 1;
goto done;
case 9:
default:
pg->pg_rfatt.att = 5;
goto done;
}
break;
case 0x2053:
switch (phy->rf_rev) {
case 1:
pg->pg_rfatt.att = 6;
goto done;
}
break;
}
pg->pg_rfatt.att = 5;
done:
pg->pg_txctl = (bwn_phy_g_txctl(mac) << 4);
if (!bwn_has_hwpctl(mac)) {
lo->rfatt.array = rfatt0;
lo->rfatt.len = N(rfatt0);
lo->rfatt.min = 0;
lo->rfatt.max = 9;
goto genbbatt;
}
if (phy->rf_ver == 0x2050 && phy->rf_rev == 8) {
lo->rfatt.array = rfatt1;
lo->rfatt.len = N(rfatt1);
lo->rfatt.min = 0;
lo->rfatt.max = 14;
goto genbbatt;
}
lo->rfatt.array = rfatt2;
lo->rfatt.len = N(rfatt2);
lo->rfatt.min = 0;
lo->rfatt.max = 9;
genbbatt:
lo->bbatt.array = bbatt_0;
lo->bbatt.len = N(bbatt_0);
lo->bbatt.min = 0;
lo->bbatt.max = 8;
BWN_READ_4(mac, BWN_MACCTL);
if (phy->rev == 1) {
phy->gmode = 0;
bwn_reset_core(mac, 0);
bwn_phy_g_init_sub(mac);
phy->gmode = 1;
bwn_reset_core(mac, 1);
}
return (0);
}
static uint16_t
bwn_phy_g_txctl(struct bwn_mac *mac)
{
struct bwn_phy *phy = &mac->mac_phy;
if (phy->rf_ver != 0x2050)
return (0);
if (phy->rf_rev == 1)
return (BWN_TXCTL_PA2DB | BWN_TXCTL_TXMIX);
if (phy->rf_rev < 6)
return (BWN_TXCTL_PA2DB);
if (phy->rf_rev == 8)
return (BWN_TXCTL_TXMIX);
return (0);
}
int
bwn_phy_g_init(struct bwn_mac *mac)
{
bwn_phy_g_init_sub(mac);
return (0);
}
void
bwn_phy_g_exit(struct bwn_mac *mac)
{
struct bwn_txpwr_loctl *lo = &mac->mac_phy.phy_g.pg_loctl;
struct bwn_lo_calib *cal, *tmp;
if (lo == NULL)
return;
TAILQ_FOREACH_SAFE(cal, &lo->calib_list, list, tmp) {
TAILQ_REMOVE(&lo->calib_list, cal, list);
free(cal, M_DEVBUF);
}
}
uint16_t
bwn_phy_g_read(struct bwn_mac *mac, uint16_t reg)
{
BWN_WRITE_2(mac, BWN_PHYCTL, reg);
return (BWN_READ_2(mac, BWN_PHYDATA));
}
void
bwn_phy_g_write(struct bwn_mac *mac, uint16_t reg, uint16_t value)
{
BWN_WRITE_2(mac, BWN_PHYCTL, reg);
BWN_WRITE_2(mac, BWN_PHYDATA, value);
}
uint16_t
bwn_phy_g_rf_read(struct bwn_mac *mac, uint16_t reg)
{
KASSERT(reg != 1, ("%s:%d: fail", __func__, __LINE__));
BWN_WRITE_2(mac, BWN_RFCTL, reg | 0x80);
return (BWN_READ_2(mac, BWN_RFDATALO));
}
void
bwn_phy_g_rf_write(struct bwn_mac *mac, uint16_t reg, uint16_t value)
{
KASSERT(reg != 1, ("%s:%d: fail", __func__, __LINE__));
BWN_WRITE_2(mac, BWN_RFCTL, reg);
BWN_WRITE_2(mac, BWN_RFDATALO, value);
}
int
bwn_phy_g_hwpctl(struct bwn_mac *mac)
{
return (mac->mac_phy.rev >= 6);
}
void
bwn_phy_g_rf_onoff(struct bwn_mac *mac, int on)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
unsigned int channel;
uint16_t rfover, rfoverval;
if (on) {
if (phy->rf_on)
return;
BWN_PHY_WRITE(mac, 0x15, 0x8000);
BWN_PHY_WRITE(mac, 0x15, 0xcc00);
BWN_PHY_WRITE(mac, 0x15, (phy->gmode ? 0xc0 : 0x0));
if (pg->pg_flags & BWN_PHY_G_FLAG_RADIOCTX_VALID) {
BWN_PHY_WRITE(mac, BWN_PHY_RFOVER,
pg->pg_radioctx_over);
BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL,
pg->pg_radioctx_overval);
pg->pg_flags &= ~BWN_PHY_G_FLAG_RADIOCTX_VALID;
}
channel = phy->chan;
bwn_phy_g_switch_chan(mac, 6, 1);
bwn_phy_g_switch_chan(mac, channel, 0);
return;
}
rfover = BWN_PHY_READ(mac, BWN_PHY_RFOVER);
rfoverval = BWN_PHY_READ(mac, BWN_PHY_RFOVERVAL);
pg->pg_radioctx_over = rfover;
pg->pg_radioctx_overval = rfoverval;
pg->pg_flags |= BWN_PHY_G_FLAG_RADIOCTX_VALID;
BWN_PHY_WRITE(mac, BWN_PHY_RFOVER, rfover | 0x008c);
BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL, rfoverval & 0xff73);
}
int
bwn_phy_g_switch_channel(struct bwn_mac *mac, uint32_t newchan)
{
if ((newchan < 1) || (newchan > 14))
return (EINVAL);
bwn_phy_g_switch_chan(mac, newchan, 0);
return (0);
}
uint32_t
bwn_phy_g_get_default_chan(struct bwn_mac *mac)
{
return (1);
}
void
bwn_phy_g_set_antenna(struct bwn_mac *mac, int antenna)
{
struct bwn_phy *phy = &mac->mac_phy;
uint64_t hf;
int autodiv = 0;
uint16_t tmp;
if (antenna == BWN_ANTAUTO0 || antenna == BWN_ANTAUTO1)
autodiv = 1;
hf = bwn_hf_read(mac) & ~BWN_HF_UCODE_ANTDIV_HELPER;
bwn_hf_write(mac, hf);
BWN_PHY_WRITE(mac, BWN_PHY_BBANDCFG,
(BWN_PHY_READ(mac, BWN_PHY_BBANDCFG) & ~BWN_PHY_BBANDCFG_RXANT) |
((autodiv ? BWN_ANTAUTO1 : antenna)
<< BWN_PHY_BBANDCFG_RXANT_SHIFT));
if (autodiv) {
tmp = BWN_PHY_READ(mac, BWN_PHY_ANTDWELL);
if (antenna == BWN_ANTAUTO1)
tmp &= ~BWN_PHY_ANTDWELL_AUTODIV1;
else
tmp |= BWN_PHY_ANTDWELL_AUTODIV1;
BWN_PHY_WRITE(mac, BWN_PHY_ANTDWELL, tmp);
}
tmp = BWN_PHY_READ(mac, BWN_PHY_ANTWRSETT);
if (autodiv)
tmp |= BWN_PHY_ANTWRSETT_ARXDIV;
else
tmp &= ~BWN_PHY_ANTWRSETT_ARXDIV;
BWN_PHY_WRITE(mac, BWN_PHY_ANTWRSETT, tmp);
if (phy->rev >= 2) {
BWN_PHY_WRITE(mac, BWN_PHY_OFDM61,
BWN_PHY_READ(mac, BWN_PHY_OFDM61) | BWN_PHY_OFDM61_10);
BWN_PHY_WRITE(mac, BWN_PHY_DIVSRCHGAINBACK,
(BWN_PHY_READ(mac, BWN_PHY_DIVSRCHGAINBACK) & 0xff00) |
0x15);
if (phy->rev == 2)
BWN_PHY_WRITE(mac, BWN_PHY_ADIVRELATED, 8);
else
BWN_PHY_WRITE(mac, BWN_PHY_ADIVRELATED,
(BWN_PHY_READ(mac, BWN_PHY_ADIVRELATED) & 0xff00) |
8);
}
if (phy->rev >= 6)
BWN_PHY_WRITE(mac, BWN_PHY_OFDM9B, 0xdc);
hf |= BWN_HF_UCODE_ANTDIV_HELPER;
bwn_hf_write(mac, hf);
}
int
bwn_phy_g_im(struct bwn_mac *mac, int mode)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
KASSERT(phy->type == BWN_PHYTYPE_G, ("%s: fail", __func__));
KASSERT(mode == BWN_IMMODE_NONE, ("%s: fail", __func__));
if (phy->rev == 0 || !phy->gmode)
return (ENODEV);
pg->pg_aci_wlan_automatic = 0;
return (0);
}
bwn_txpwr_result_t
bwn_phy_g_recalc_txpwr(struct bwn_mac *mac, int ignore_tssi)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
struct bwn_softc *sc = mac->mac_sc;
unsigned int tssi;
int cck, ofdm;
int power;
int rfatt, bbatt;
unsigned int max;
KASSERT(phy->type == BWN_PHYTYPE_G, ("%s: fail", __func__));
cck = bwn_phy_shm_tssi_read(mac, BWN_SHARED_TSSI_CCK);
ofdm = bwn_phy_shm_tssi_read(mac, BWN_SHARED_TSSI_OFDM_G);
if (cck < 0 && ofdm < 0) {
if (ignore_tssi == 0)
return (BWN_TXPWR_RES_DONE);
cck = 0;
ofdm = 0;
}
tssi = (cck < 0) ? ofdm : ((ofdm < 0) ? cck : (cck + ofdm) / 2);
if (pg->pg_avgtssi != 0xff)
tssi = (tssi + pg->pg_avgtssi) / 2;
pg->pg_avgtssi = tssi;
KASSERT(tssi < BWN_TSSI_MAX, ("%s:%d: fail", __func__, __LINE__));
max = pg->pg_pa0maxpwr;
if (sc->sc_board_info.board_flags & BHND_BFL_PACTRL)
max -= 3;
if (max >= 120) {
device_printf(sc->sc_dev, "invalid max TX-power value\n");
max = 80;
pg->pg_pa0maxpwr = max;
}
power = MIN(MAX((phy->txpower < 0) ? 0 : (phy->txpower << 2), 0), max) -
(pg->pg_tssi2dbm[MIN(MAX(pg->pg_idletssi - pg->pg_curtssi +
tssi, 0x00), 0x3f)]);
if (power == 0)
return (BWN_TXPWR_RES_DONE);
rfatt = -((power + 7) / 8);
bbatt = (-(power / 2)) - (4 * rfatt);
if ((rfatt == 0) && (bbatt == 0))
return (BWN_TXPWR_RES_DONE);
pg->pg_bbatt_delta = bbatt;
pg->pg_rfatt_delta = rfatt;
return (BWN_TXPWR_RES_NEED_ADJUST);
}
void
bwn_phy_g_set_txpwr(struct bwn_mac *mac)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
struct bwn_softc *sc = mac->mac_sc;
int rfatt, bbatt;
uint8_t txctl;
bwn_mac_suspend(mac);
BWN_ASSERT_LOCKED(sc);
bbatt = pg->pg_bbatt.att;
bbatt += pg->pg_bbatt_delta;
rfatt = pg->pg_rfatt.att;
rfatt += pg->pg_rfatt_delta;
bwn_phy_g_setatt(mac, &bbatt, &rfatt);
txctl = pg->pg_txctl;
if ((phy->rf_ver == 0x2050) && (phy->rf_rev == 2)) {
if (rfatt <= 1) {
if (txctl == 0) {
txctl = BWN_TXCTL_PA2DB | BWN_TXCTL_TXMIX;
rfatt += 2;
bbatt += 2;
} else if (sc->sc_board_info.board_flags &
BHND_BFL_PACTRL) {
bbatt += 4 * (rfatt - 2);
rfatt = 2;
}
} else if (rfatt > 4 && txctl) {
txctl = 0;
if (bbatt < 3) {
rfatt -= 3;
bbatt += 2;
} else {
rfatt -= 2;
bbatt -= 2;
}
}
}
pg->pg_txctl = txctl;
bwn_phy_g_setatt(mac, &bbatt, &rfatt);
pg->pg_rfatt.att = rfatt;
pg->pg_bbatt.att = bbatt;
DPRINTF(sc, BWN_DEBUG_TXPOW, "%s: adjust TX power\n", __func__);
bwn_phy_lock(mac);
bwn_rf_lock(mac);
bwn_phy_g_set_txpwr_sub(mac, &pg->pg_bbatt, &pg->pg_rfatt,
pg->pg_txctl);
bwn_rf_unlock(mac);
bwn_phy_unlock(mac);
bwn_mac_enable(mac);
}
void
bwn_phy_g_task_15s(struct bwn_mac *mac)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
struct bwn_softc *sc = mac->mac_sc;
struct bwn_txpwr_loctl *lo = &pg->pg_loctl;
unsigned long expire, now;
struct bwn_lo_calib *cal, *tmp;
uint8_t expired = 0;
bwn_mac_suspend(mac);
if (lo == NULL)
goto fail;
BWN_GETTIME(now);
if (bwn_has_hwpctl(mac)) {
expire = now - BWN_LO_PWRVEC_EXPIRE;
if (ieee80211_time_before(lo->pwr_vec_read_time, expire)) {
bwn_lo_get_powervector(mac);
bwn_phy_g_dc_lookup_init(mac, 0);
}
goto fail;
}
expire = now - BWN_LO_CALIB_EXPIRE;
TAILQ_FOREACH_SAFE(cal, &lo->calib_list, list, tmp) {
if (!ieee80211_time_before(cal->calib_time, expire))
continue;
if (BWN_BBATTCMP(&cal->bbatt, &pg->pg_bbatt) &&
BWN_RFATTCMP(&cal->rfatt, &pg->pg_rfatt)) {
KASSERT(!expired, ("%s:%d: fail", __func__, __LINE__));
expired = 1;
}
DPRINTF(sc, BWN_DEBUG_LO, "expired BB %u RF %u %u I %d Q %d\n",
cal->bbatt.att, cal->rfatt.att, cal->rfatt.padmix,
cal->ctl.i, cal->ctl.q);
TAILQ_REMOVE(&lo->calib_list, cal, list);
free(cal, M_DEVBUF);
}
if (expired || TAILQ_EMPTY(&lo->calib_list)) {
cal = bwn_lo_calibset(mac, &pg->pg_bbatt,
&pg->pg_rfatt);
if (cal == NULL) {
device_printf(sc->sc_dev,
"failed to recalibrate LO\n");
goto fail;
}
TAILQ_INSERT_TAIL(&lo->calib_list, cal, list);
bwn_lo_write(mac, &cal->ctl);
}
fail:
bwn_mac_enable(mac);
}
void
bwn_phy_g_task_60s(struct bwn_mac *mac)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_softc *sc = mac->mac_sc;
uint8_t old = phy->chan;
if (!(sc->sc_board_info.board_flags & BHND_BFL_ADCDIV))
return;
bwn_mac_suspend(mac);
bwn_nrssi_slope_11g(mac);
if ((phy->rf_ver == 0x2050) && (phy->rf_rev == 8)) {
bwn_switch_channel(mac, (old >= 8) ? 1 : 13);
bwn_switch_channel(mac, old);
}
bwn_mac_enable(mac);
}
void
bwn_phy_switch_analog(struct bwn_mac *mac, int on)
{
BWN_WRITE_2(mac, BWN_PHY0, on ? 0 : 0xf4);
}
static void
bwn_phy_g_init_sub(struct bwn_mac *mac)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
struct bwn_softc *sc = mac->mac_sc;
uint16_t i, tmp;
if (phy->rev == 1)
bwn_phy_init_b5(mac);
else
bwn_phy_init_b6(mac);
if (phy->rev >= 2 || phy->gmode)
bwn_phy_init_a(mac);
if (phy->rev >= 2) {
BWN_PHY_WRITE(mac, BWN_PHY_ANALOGOVER, 0);
BWN_PHY_WRITE(mac, BWN_PHY_ANALOGOVERVAL, 0);
}
if (phy->rev == 2) {
BWN_PHY_WRITE(mac, BWN_PHY_RFOVER, 0);
BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xc0);
}
if (phy->rev > 5) {
BWN_PHY_WRITE(mac, BWN_PHY_RFOVER, 0x400);
BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xc0);
}
if (phy->gmode || phy->rev >= 2) {
tmp = BWN_PHY_READ(mac, BWN_PHY_VERSION_OFDM);
tmp &= BWN_PHYVER_VERSION;
if (tmp == 3 || tmp == 5) {
BWN_PHY_WRITE(mac, BWN_PHY_OFDM(0xc2), 0x1816);
BWN_PHY_WRITE(mac, BWN_PHY_OFDM(0xc3), 0x8006);
}
if (tmp == 5) {
BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0xcc), 0x00ff,
0x1f00);
}
}
if ((phy->rev <= 2 && phy->gmode) || phy->rev >= 2)
BWN_PHY_WRITE(mac, BWN_PHY_OFDM(0x7e), 0x78);
if (phy->rf_rev == 8) {
BWN_PHY_SET(mac, BWN_PHY_EXTG(0x01), 0x80);
BWN_PHY_SET(mac, BWN_PHY_OFDM(0x3e), 0x4);
}
if (BWN_HAS_LOOPBACK(phy))
bwn_loopback_calcgain(mac);
if (phy->rf_rev != 8) {
if (pg->pg_initval == 0xffff)
pg->pg_initval = bwn_rf_init_bcm2050(mac);
else
BWN_RF_WRITE(mac, 0x0078, pg->pg_initval);
}
bwn_lo_g_init(mac);
if (BWN_HAS_TXMAG(phy)) {
BWN_RF_WRITE(mac, 0x52,
(BWN_RF_READ(mac, 0x52) & 0xff00)
| pg->pg_loctl.tx_bias |
pg->pg_loctl.tx_magn);
} else {
BWN_RF_SETMASK(mac, 0x52, 0xfff0, pg->pg_loctl.tx_bias);
}
if (phy->rev >= 6) {
BWN_PHY_SETMASK(mac, BWN_PHY_CCK(0x36), 0x0fff,
(pg->pg_loctl.tx_bias << 12));
}
if (sc->sc_board_info.board_flags & BHND_BFL_PACTRL)
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2e), 0x8075);
else
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2e), 0x807f);
if (phy->rev < 2)
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2f), 0x101);
else
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2f), 0x202);
if (phy->gmode || phy->rev >= 2) {
bwn_lo_g_adjust(mac);
BWN_PHY_WRITE(mac, BWN_PHY_LO_MASK, 0x8078);
}
if (!(sc->sc_board_info.board_flags & BHND_BFL_ADCDIV)) {
for (i = 0; i < 64; i++) {
BWN_PHY_WRITE(mac, BWN_PHY_NRSSI_CTRL, i);
BWN_PHY_WRITE(mac, BWN_PHY_NRSSI_DATA,
(uint16_t)MIN(MAX(bwn_nrssi_read(mac, i) - 0xffff,
-32), 31));
}
bwn_nrssi_threshold(mac);
} else if (phy->gmode || phy->rev >= 2) {
if (pg->pg_nrssi[0] == -1000) {
KASSERT(pg->pg_nrssi[1] == -1000,
("%s:%d: fail", __func__, __LINE__));
bwn_nrssi_slope_11g(mac);
} else
bwn_nrssi_threshold(mac);
}
if (phy->rf_rev == 8)
BWN_PHY_WRITE(mac, BWN_PHY_EXTG(0x05), 0x3230);
bwn_phy_hwpctl_init(mac);
if ((sc->sc_cid.chip_id == BHND_CHIPID_BCM4306
&& sc->sc_cid.chip_pkg == 2) || 0) {
BWN_PHY_MASK(mac, BWN_PHY_CRS0, 0xbfff);
BWN_PHY_MASK(mac, BWN_PHY_OFDM(0xc3), 0x7fff);
}
}
static void
bwn_phy_init_b5(struct bwn_mac *mac)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
struct bwn_softc *sc = mac->mac_sc;
uint16_t offset, value;
uint8_t old_channel;
if (phy->analog == 1)
BWN_RF_SET(mac, 0x007a, 0x0050);
if ((sc->sc_board_info.board_vendor != PCI_VENDOR_BROADCOM) &&
(sc->sc_board_info.board_type != BHND_BOARD_BU4306)) {
value = 0x2120;
for (offset = 0x00a8; offset < 0x00c7; offset++) {
BWN_PHY_WRITE(mac, offset, value);
value += 0x202;
}
}
BWN_PHY_SETMASK(mac, 0x0035, 0xf0ff, 0x0700);
if (phy->rf_ver == 0x2050)
BWN_PHY_WRITE(mac, 0x0038, 0x0667);
if (phy->gmode || phy->rev >= 2) {
if (phy->rf_ver == 0x2050) {
BWN_RF_SET(mac, 0x007a, 0x0020);
BWN_RF_SET(mac, 0x0051, 0x0004);
}
BWN_WRITE_2(mac, BWN_PHY_RADIO, 0x0000);
BWN_PHY_SET(mac, 0x0802, 0x0100);
BWN_PHY_SET(mac, 0x042b, 0x2000);
BWN_PHY_WRITE(mac, 0x001c, 0x186a);
BWN_PHY_SETMASK(mac, 0x0013, 0x00ff, 0x1900);
BWN_PHY_SETMASK(mac, 0x0035, 0xffc0, 0x0064);
BWN_PHY_SETMASK(mac, 0x005d, 0xff80, 0x000a);
}
if (mac->mac_flags & BWN_MAC_FLAG_BADFRAME_PREEMP)
BWN_PHY_SET(mac, BWN_PHY_RADIO_BITFIELD, (1 << 11));
if (phy->analog == 1) {
BWN_PHY_WRITE(mac, 0x0026, 0xce00);
BWN_PHY_WRITE(mac, 0x0021, 0x3763);
BWN_PHY_WRITE(mac, 0x0022, 0x1bc3);
BWN_PHY_WRITE(mac, 0x0023, 0x06f9);
BWN_PHY_WRITE(mac, 0x0024, 0x037e);
} else
BWN_PHY_WRITE(mac, 0x0026, 0xcc00);
BWN_PHY_WRITE(mac, 0x0030, 0x00c6);
BWN_WRITE_2(mac, 0x03ec, 0x3f22);
if (phy->analog == 1)
BWN_PHY_WRITE(mac, 0x0020, 0x3e1c);
else
BWN_PHY_WRITE(mac, 0x0020, 0x301c);
if (phy->analog == 0)
BWN_WRITE_2(mac, 0x03e4, 0x3000);
old_channel = phy->chan;
bwn_phy_g_switch_chan(mac, 7, 0);
if (phy->rf_ver != 0x2050) {
BWN_RF_WRITE(mac, 0x0075, 0x0080);
BWN_RF_WRITE(mac, 0x0079, 0x0081);
}
BWN_RF_WRITE(mac, 0x0050, 0x0020);
BWN_RF_WRITE(mac, 0x0050, 0x0023);
if (phy->rf_ver == 0x2050) {
BWN_RF_WRITE(mac, 0x0050, 0x0020);
BWN_RF_WRITE(mac, 0x005a, 0x0070);
}
BWN_RF_WRITE(mac, 0x005b, 0x007b);
BWN_RF_WRITE(mac, 0x005c, 0x00b0);
BWN_RF_SET(mac, 0x007a, 0x0007);
bwn_phy_g_switch_chan(mac, old_channel, 0);
BWN_PHY_WRITE(mac, 0x0014, 0x0080);
BWN_PHY_WRITE(mac, 0x0032, 0x00ca);
BWN_PHY_WRITE(mac, 0x002a, 0x88a3);
bwn_phy_g_set_txpwr_sub(mac, &pg->pg_bbatt, &pg->pg_rfatt,
pg->pg_txctl);
if (phy->rf_ver == 0x2050)
BWN_RF_WRITE(mac, 0x005d, 0x000d);
BWN_WRITE_2(mac, 0x03e4, (BWN_READ_2(mac, 0x03e4) & 0xffc0) | 0x0004);
}
static void
bwn_loopback_calcgain(struct bwn_mac *mac)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
struct bwn_softc *sc = mac->mac_sc;
uint16_t backup_phy[16] = { 0 };
uint16_t backup_radio[3];
uint16_t backup_bband;
uint16_t i, j, loop_i_max;
uint16_t trsw_rx;
uint16_t loop1_outer_done, loop1_inner_done;
backup_phy[0] = BWN_PHY_READ(mac, BWN_PHY_CRS0);
backup_phy[1] = BWN_PHY_READ(mac, BWN_PHY_CCKBBANDCFG);
backup_phy[2] = BWN_PHY_READ(mac, BWN_PHY_RFOVER);
backup_phy[3] = BWN_PHY_READ(mac, BWN_PHY_RFOVERVAL);
if (phy->rev != 1) {
backup_phy[4] = BWN_PHY_READ(mac, BWN_PHY_ANALOGOVER);
backup_phy[5] = BWN_PHY_READ(mac, BWN_PHY_ANALOGOVERVAL);
}
backup_phy[6] = BWN_PHY_READ(mac, BWN_PHY_CCK(0x5a));
backup_phy[7] = BWN_PHY_READ(mac, BWN_PHY_CCK(0x59));
backup_phy[8] = BWN_PHY_READ(mac, BWN_PHY_CCK(0x58));
backup_phy[9] = BWN_PHY_READ(mac, BWN_PHY_CCK(0x0a));
backup_phy[10] = BWN_PHY_READ(mac, BWN_PHY_CCK(0x03));
backup_phy[11] = BWN_PHY_READ(mac, BWN_PHY_LO_MASK);
backup_phy[12] = BWN_PHY_READ(mac, BWN_PHY_LO_CTL);
backup_phy[13] = BWN_PHY_READ(mac, BWN_PHY_CCK(0x2b));
backup_phy[14] = BWN_PHY_READ(mac, BWN_PHY_PGACTL);
backup_phy[15] = BWN_PHY_READ(mac, BWN_PHY_LO_LEAKAGE);
backup_bband = pg->pg_bbatt.att;
backup_radio[0] = BWN_RF_READ(mac, 0x52);
backup_radio[1] = BWN_RF_READ(mac, 0x43);
backup_radio[2] = BWN_RF_READ(mac, 0x7a);
BWN_PHY_MASK(mac, BWN_PHY_CRS0, 0x3fff);
BWN_PHY_SET(mac, BWN_PHY_CCKBBANDCFG, 0x8000);
BWN_PHY_SET(mac, BWN_PHY_RFOVER, 0x0002);
BWN_PHY_MASK(mac, BWN_PHY_RFOVERVAL, 0xfffd);
BWN_PHY_SET(mac, BWN_PHY_RFOVER, 0x0001);
BWN_PHY_MASK(mac, BWN_PHY_RFOVERVAL, 0xfffe);
if (phy->rev != 1) {
BWN_PHY_SET(mac, BWN_PHY_ANALOGOVER, 0x0001);
BWN_PHY_MASK(mac, BWN_PHY_ANALOGOVERVAL, 0xfffe);
BWN_PHY_SET(mac, BWN_PHY_ANALOGOVER, 0x0002);
BWN_PHY_MASK(mac, BWN_PHY_ANALOGOVERVAL, 0xfffd);
}
BWN_PHY_SET(mac, BWN_PHY_RFOVER, 0x000c);
BWN_PHY_SET(mac, BWN_PHY_RFOVERVAL, 0x000c);
BWN_PHY_SET(mac, BWN_PHY_RFOVER, 0x0030);
BWN_PHY_SETMASK(mac, BWN_PHY_RFOVERVAL, 0xffcf, 0x10);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x5a), 0x0780);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x59), 0xc810);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x58), 0x000d);
BWN_PHY_SET(mac, BWN_PHY_CCK(0x0a), 0x2000);
if (phy->rev != 1) {
BWN_PHY_SET(mac, BWN_PHY_ANALOGOVER, 0x0004);
BWN_PHY_MASK(mac, BWN_PHY_ANALOGOVERVAL, 0xfffb);
}
BWN_PHY_SETMASK(mac, BWN_PHY_CCK(0x03), 0xff9f, 0x40);
if (phy->rf_rev == 8)
BWN_RF_WRITE(mac, 0x43, 0x000f);
else {
BWN_RF_WRITE(mac, 0x52, 0);
BWN_RF_SETMASK(mac, 0x43, 0xfff0, 0x9);
}
bwn_phy_g_set_bbatt(mac, 11);
if (phy->rev >= 3)
BWN_PHY_WRITE(mac, BWN_PHY_LO_MASK, 0xc020);
else
BWN_PHY_WRITE(mac, BWN_PHY_LO_MASK, 0x8020);
BWN_PHY_WRITE(mac, BWN_PHY_LO_CTL, 0);
BWN_PHY_SETMASK(mac, BWN_PHY_CCK(0x2b), 0xffc0, 0x01);
BWN_PHY_SETMASK(mac, BWN_PHY_CCK(0x2b), 0xc0ff, 0x800);
BWN_PHY_SET(mac, BWN_PHY_RFOVER, 0x0100);
BWN_PHY_MASK(mac, BWN_PHY_RFOVERVAL, 0xcfff);
if (sc->sc_board_info.board_flags & BHND_BFL_EXTLNA) {
if (phy->rev >= 7) {
BWN_PHY_SET(mac, BWN_PHY_RFOVER, 0x0800);
BWN_PHY_SET(mac, BWN_PHY_RFOVERVAL, 0x8000);
}
}
BWN_RF_MASK(mac, 0x7a, 0x00f7);
j = 0;
loop_i_max = (phy->rf_rev == 8) ? 15 : 9;
for (i = 0; i < loop_i_max; i++) {
for (j = 0; j < 16; j++) {
BWN_RF_WRITE(mac, 0x43, i);
BWN_PHY_SETMASK(mac, BWN_PHY_RFOVERVAL, 0xf0ff,
(j << 8));
BWN_PHY_SETMASK(mac, BWN_PHY_PGACTL, 0x0fff, 0xa000);
BWN_PHY_SET(mac, BWN_PHY_PGACTL, 0xf000);
DELAY(20);
if (BWN_PHY_READ(mac, BWN_PHY_LO_LEAKAGE) >= 0xdfc)
goto done0;
}
}
done0:
loop1_outer_done = i;
loop1_inner_done = j;
if (j >= 8) {
BWN_PHY_SET(mac, BWN_PHY_RFOVERVAL, 0x30);
trsw_rx = 0x1b;
for (j = j - 8; j < 16; j++) {
BWN_PHY_SETMASK(mac, BWN_PHY_RFOVERVAL, 0xf0ff, j << 8);
BWN_PHY_SETMASK(mac, BWN_PHY_PGACTL, 0x0fff, 0xa000);
BWN_PHY_SET(mac, BWN_PHY_PGACTL, 0xf000);
DELAY(20);
trsw_rx -= 3;
if (BWN_PHY_READ(mac, BWN_PHY_LO_LEAKAGE) >= 0xdfc)
goto done1;
}
} else
trsw_rx = 0x18;
done1:
if (phy->rev != 1) {
BWN_PHY_WRITE(mac, BWN_PHY_ANALOGOVER, backup_phy[4]);
BWN_PHY_WRITE(mac, BWN_PHY_ANALOGOVERVAL, backup_phy[5]);
}
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x5a), backup_phy[6]);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x59), backup_phy[7]);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x58), backup_phy[8]);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x0a), backup_phy[9]);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x03), backup_phy[10]);
BWN_PHY_WRITE(mac, BWN_PHY_LO_MASK, backup_phy[11]);
BWN_PHY_WRITE(mac, BWN_PHY_LO_CTL, backup_phy[12]);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2b), backup_phy[13]);
BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, backup_phy[14]);
bwn_phy_g_set_bbatt(mac, backup_bband);
BWN_RF_WRITE(mac, 0x52, backup_radio[0]);
BWN_RF_WRITE(mac, 0x43, backup_radio[1]);
BWN_RF_WRITE(mac, 0x7a, backup_radio[2]);
BWN_PHY_WRITE(mac, BWN_PHY_RFOVER, backup_phy[2] | 0x0003);
DELAY(10);
BWN_PHY_WRITE(mac, BWN_PHY_RFOVER, backup_phy[2]);
BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL, backup_phy[3]);
BWN_PHY_WRITE(mac, BWN_PHY_CRS0, backup_phy[0]);
BWN_PHY_WRITE(mac, BWN_PHY_CCKBBANDCFG, backup_phy[1]);
pg->pg_max_lb_gain =
((loop1_inner_done * 6) - (loop1_outer_done * 4)) - 11;
pg->pg_trsw_rx_gain = trsw_rx * 2;
}
static uint16_t
bwn_rf_init_bcm2050(struct bwn_mac *mac)
{
struct bwn_phy *phy = &mac->mac_phy;
uint32_t tmp1 = 0, tmp2 = 0;
uint16_t rcc, i, j, pgactl, cck0, cck1, cck2, cck3, rfover, rfoverval,
analogover, analogoverval, crs0, classctl, lomask, loctl, syncctl,
radio0, radio1, radio2, reg0, reg1, reg2, radio78, reg, index;
static const uint8_t rcc_table[] = {
0x02, 0x03, 0x01, 0x0f,
0x06, 0x07, 0x05, 0x0f,
0x0a, 0x0b, 0x09, 0x0f,
0x0e, 0x0f, 0x0d, 0x0f,
};
loctl = lomask = reg0 = classctl = crs0 = analogoverval = analogover =
rfoverval = rfover = cck3 = 0;
radio0 = BWN_RF_READ(mac, 0x43);
radio1 = BWN_RF_READ(mac, 0x51);
radio2 = BWN_RF_READ(mac, 0x52);
pgactl = BWN_PHY_READ(mac, BWN_PHY_PGACTL);
cck0 = BWN_PHY_READ(mac, BWN_PHY_CCK(0x5a));
cck1 = BWN_PHY_READ(mac, BWN_PHY_CCK(0x59));
cck2 = BWN_PHY_READ(mac, BWN_PHY_CCK(0x58));
if (phy->type == BWN_PHYTYPE_B) {
cck3 = BWN_PHY_READ(mac, BWN_PHY_CCK(0x30));
reg0 = BWN_READ_2(mac, 0x3ec);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x30), 0xff);
BWN_WRITE_2(mac, 0x3ec, 0x3f3f);
} else if (phy->gmode || phy->rev >= 2) {
rfover = BWN_PHY_READ(mac, BWN_PHY_RFOVER);
rfoverval = BWN_PHY_READ(mac, BWN_PHY_RFOVERVAL);
analogover = BWN_PHY_READ(mac, BWN_PHY_ANALOGOVER);
analogoverval = BWN_PHY_READ(mac, BWN_PHY_ANALOGOVERVAL);
crs0 = BWN_PHY_READ(mac, BWN_PHY_CRS0);
classctl = BWN_PHY_READ(mac, BWN_PHY_CLASSCTL);
BWN_PHY_SET(mac, BWN_PHY_ANALOGOVER, 0x0003);
BWN_PHY_MASK(mac, BWN_PHY_ANALOGOVERVAL, 0xfffc);
BWN_PHY_MASK(mac, BWN_PHY_CRS0, 0x7fff);
BWN_PHY_MASK(mac, BWN_PHY_CLASSCTL, 0xfffc);
if (BWN_HAS_LOOPBACK(phy)) {
lomask = BWN_PHY_READ(mac, BWN_PHY_LO_MASK);
loctl = BWN_PHY_READ(mac, BWN_PHY_LO_CTL);
if (phy->rev >= 3)
BWN_PHY_WRITE(mac, BWN_PHY_LO_MASK, 0xc020);
else
BWN_PHY_WRITE(mac, BWN_PHY_LO_MASK, 0x8020);
BWN_PHY_WRITE(mac, BWN_PHY_LO_CTL, 0);
}
BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL,
bwn_rf_2050_rfoverval(mac, BWN_PHY_RFOVERVAL,
BWN_LPD(0, 1, 1)));
BWN_PHY_WRITE(mac, BWN_PHY_RFOVER,
bwn_rf_2050_rfoverval(mac, BWN_PHY_RFOVER, 0));
}
BWN_WRITE_2(mac, 0x3e2, BWN_READ_2(mac, 0x3e2) | 0x8000);
syncctl = BWN_PHY_READ(mac, BWN_PHY_SYNCCTL);
BWN_PHY_MASK(mac, BWN_PHY_SYNCCTL, 0xff7f);
reg1 = BWN_READ_2(mac, 0x3e6);
reg2 = BWN_READ_2(mac, 0x3f4);
if (phy->analog == 0)
BWN_WRITE_2(mac, 0x03e6, 0x0122);
else {
if (phy->analog >= 2)
BWN_PHY_SETMASK(mac, BWN_PHY_CCK(0x03), 0xffbf, 0x40);
BWN_WRITE_2(mac, BWN_CHANNEL_EXT,
(BWN_READ_2(mac, BWN_CHANNEL_EXT) | 0x2000));
}
reg = BWN_RF_READ(mac, 0x60);
index = (reg & 0x001e) >> 1;
rcc = (((rcc_table[index] << 1) | (reg & 0x0001)) | 0x0020);
if (phy->type == BWN_PHYTYPE_B)
BWN_RF_WRITE(mac, 0x78, 0x26);
if (phy->gmode || phy->rev >= 2) {
BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL,
bwn_rf_2050_rfoverval(mac, BWN_PHY_RFOVERVAL,
BWN_LPD(0, 1, 1)));
}
BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xbfaf);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2b), 0x1403);
if (phy->gmode || phy->rev >= 2) {
BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL,
bwn_rf_2050_rfoverval(mac, BWN_PHY_RFOVERVAL,
BWN_LPD(0, 0, 1)));
}
BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xbfa0);
BWN_RF_SET(mac, 0x51, 0x0004);
if (phy->rf_rev == 8)
BWN_RF_WRITE(mac, 0x43, 0x1f);
else {
BWN_RF_WRITE(mac, 0x52, 0);
BWN_RF_SETMASK(mac, 0x43, 0xfff0, 0x0009);
}
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x58), 0);
for (i = 0; i < 16; i++) {
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x5a), 0x0480);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x59), 0xc810);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x58), 0x000d);
if (phy->gmode || phy->rev >= 2) {
BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL,
bwn_rf_2050_rfoverval(mac,
BWN_PHY_RFOVERVAL, BWN_LPD(1, 0, 1)));
}
BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xafb0);
DELAY(10);
if (phy->gmode || phy->rev >= 2) {
BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL,
bwn_rf_2050_rfoverval(mac,
BWN_PHY_RFOVERVAL, BWN_LPD(1, 0, 1)));
}
BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xefb0);
DELAY(10);
if (phy->gmode || phy->rev >= 2) {
BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL,
bwn_rf_2050_rfoverval(mac,
BWN_PHY_RFOVERVAL, BWN_LPD(1, 0, 0)));
}
BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xfff0);
DELAY(20);
tmp1 += BWN_PHY_READ(mac, BWN_PHY_LO_LEAKAGE);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x58), 0);
if (phy->gmode || phy->rev >= 2) {
BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL,
bwn_rf_2050_rfoverval(mac,
BWN_PHY_RFOVERVAL, BWN_LPD(1, 0, 1)));
}
BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xafb0);
}
DELAY(10);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x58), 0);
tmp1++;
tmp1 >>= 9;
for (i = 0; i < 16; i++) {
radio78 = (BWN_BITREV4(i) << 1) | 0x0020;
BWN_RF_WRITE(mac, 0x78, radio78);
DELAY(10);
for (j = 0; j < 16; j++) {
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x5a), 0x0d80);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x59), 0xc810);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x58), 0x000d);
if (phy->gmode || phy->rev >= 2) {
BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL,
bwn_rf_2050_rfoverval(mac,
BWN_PHY_RFOVERVAL, BWN_LPD(1, 0, 1)));
}
BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xafb0);
DELAY(10);
if (phy->gmode || phy->rev >= 2) {
BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL,
bwn_rf_2050_rfoverval(mac,
BWN_PHY_RFOVERVAL, BWN_LPD(1, 0, 1)));
}
BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xefb0);
DELAY(10);
if (phy->gmode || phy->rev >= 2) {
BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL,
bwn_rf_2050_rfoverval(mac,
BWN_PHY_RFOVERVAL, BWN_LPD(1, 0, 0)));
}
BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xfff0);
DELAY(10);
tmp2 += BWN_PHY_READ(mac, BWN_PHY_LO_LEAKAGE);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x58), 0);
if (phy->gmode || phy->rev >= 2) {
BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL,
bwn_rf_2050_rfoverval(mac,
BWN_PHY_RFOVERVAL, BWN_LPD(1, 0, 1)));
}
BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xafb0);
}
tmp2++;
tmp2 >>= 8;
if (tmp1 < tmp2)
break;
}
BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, pgactl);
BWN_RF_WRITE(mac, 0x51, radio1);
BWN_RF_WRITE(mac, 0x52, radio2);
BWN_RF_WRITE(mac, 0x43, radio0);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x5a), cck0);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x59), cck1);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x58), cck2);
BWN_WRITE_2(mac, 0x3e6, reg1);
if (phy->analog != 0)
BWN_WRITE_2(mac, 0x3f4, reg2);
BWN_PHY_WRITE(mac, BWN_PHY_SYNCCTL, syncctl);
bwn_spu_workaround(mac, phy->chan);
if (phy->type == BWN_PHYTYPE_B) {
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x30), cck3);
BWN_WRITE_2(mac, 0x3ec, reg0);
} else if (phy->gmode) {
BWN_WRITE_2(mac, BWN_PHY_RADIO,
BWN_READ_2(mac, BWN_PHY_RADIO)
& 0x7fff);
BWN_PHY_WRITE(mac, BWN_PHY_RFOVER, rfover);
BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL, rfoverval);
BWN_PHY_WRITE(mac, BWN_PHY_ANALOGOVER, analogover);
BWN_PHY_WRITE(mac, BWN_PHY_ANALOGOVERVAL,
analogoverval);
BWN_PHY_WRITE(mac, BWN_PHY_CRS0, crs0);
BWN_PHY_WRITE(mac, BWN_PHY_CLASSCTL, classctl);
if (BWN_HAS_LOOPBACK(phy)) {
BWN_PHY_WRITE(mac, BWN_PHY_LO_MASK, lomask);
BWN_PHY_WRITE(mac, BWN_PHY_LO_CTL, loctl);
}
}
return ((i > 15) ? radio78 : rcc);
}
static void
bwn_phy_init_b6(struct bwn_mac *mac)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
struct bwn_softc *sc = mac->mac_sc;
uint16_t offset, val;
uint8_t old_channel;
KASSERT(!(phy->rf_rev == 6 || phy->rf_rev == 7),
("%s:%d: fail", __func__, __LINE__));
BWN_PHY_WRITE(mac, 0x003e, 0x817a);
BWN_RF_WRITE(mac, 0x007a, BWN_RF_READ(mac, 0x007a) | 0x0058);
if (phy->rf_rev == 4 || phy->rf_rev == 5) {
BWN_RF_WRITE(mac, 0x51, 0x37);
BWN_RF_WRITE(mac, 0x52, 0x70);
BWN_RF_WRITE(mac, 0x53, 0xb3);
BWN_RF_WRITE(mac, 0x54, 0x9b);
BWN_RF_WRITE(mac, 0x5a, 0x88);
BWN_RF_WRITE(mac, 0x5b, 0x88);
BWN_RF_WRITE(mac, 0x5d, 0x88);
BWN_RF_WRITE(mac, 0x5e, 0x88);
BWN_RF_WRITE(mac, 0x7d, 0x88);
bwn_hf_write(mac,
bwn_hf_read(mac) | BWN_HF_TSSI_RESET_PSM_WORKAROUN);
}
if (phy->rf_rev == 8) {
BWN_RF_WRITE(mac, 0x51, 0);
BWN_RF_WRITE(mac, 0x52, 0x40);
BWN_RF_WRITE(mac, 0x53, 0xb7);
BWN_RF_WRITE(mac, 0x54, 0x98);
BWN_RF_WRITE(mac, 0x5a, 0x88);
BWN_RF_WRITE(mac, 0x5b, 0x6b);
BWN_RF_WRITE(mac, 0x5c, 0x0f);
if (sc->sc_board_info.board_flags & BHND_BFL_ALTIQ) {
BWN_RF_WRITE(mac, 0x5d, 0xfa);
BWN_RF_WRITE(mac, 0x5e, 0xd8);
} else {
BWN_RF_WRITE(mac, 0x5d, 0xf5);
BWN_RF_WRITE(mac, 0x5e, 0xb8);
}
BWN_RF_WRITE(mac, 0x0073, 0x0003);
BWN_RF_WRITE(mac, 0x007d, 0x00a8);
BWN_RF_WRITE(mac, 0x007c, 0x0001);
BWN_RF_WRITE(mac, 0x007e, 0x0008);
}
for (val = 0x1e1f, offset = 0x0088; offset < 0x0098; offset++) {
BWN_PHY_WRITE(mac, offset, val);
val -= 0x0202;
}
for (val = 0x3e3f, offset = 0x0098; offset < 0x00a8; offset++) {
BWN_PHY_WRITE(mac, offset, val);
val -= 0x0202;
}
for (val = 0x2120, offset = 0x00a8; offset < 0x00c8; offset++) {
BWN_PHY_WRITE(mac, offset, (val & 0x3f3f));
val += 0x0202;
}
if (phy->type == BWN_PHYTYPE_G) {
BWN_RF_SET(mac, 0x007a, 0x0020);
BWN_RF_SET(mac, 0x0051, 0x0004);
BWN_PHY_SET(mac, 0x0802, 0x0100);
BWN_PHY_SET(mac, 0x042b, 0x2000);
BWN_PHY_WRITE(mac, 0x5b, 0);
BWN_PHY_WRITE(mac, 0x5c, 0);
}
old_channel = phy->chan;
bwn_phy_g_switch_chan(mac, (old_channel >= 8) ? 1 : 13, 0);
BWN_RF_WRITE(mac, 0x0050, 0x0020);
BWN_RF_WRITE(mac, 0x0050, 0x0023);
DELAY(40);
if (phy->rf_rev < 6 || phy->rf_rev == 8) {
BWN_RF_WRITE(mac, 0x7c, BWN_RF_READ(mac, 0x7c) | 0x0002);
BWN_RF_WRITE(mac, 0x50, 0x20);
}
if (phy->rf_rev <= 2) {
BWN_RF_WRITE(mac, 0x7c, 0x20);
BWN_RF_WRITE(mac, 0x5a, 0x70);
BWN_RF_WRITE(mac, 0x5b, 0x7b);
BWN_RF_WRITE(mac, 0x5c, 0xb0);
}
BWN_RF_SETMASK(mac, 0x007a, 0x00f8, 0x0007);
bwn_phy_g_switch_chan(mac, old_channel, 0);
BWN_PHY_WRITE(mac, 0x0014, 0x0200);
if (phy->rf_rev >= 6)
BWN_PHY_WRITE(mac, 0x2a, 0x88c2);
else
BWN_PHY_WRITE(mac, 0x2a, 0x8ac0);
BWN_PHY_WRITE(mac, 0x0038, 0x0668);
bwn_phy_g_set_txpwr_sub(mac, &pg->pg_bbatt, &pg->pg_rfatt,
pg->pg_txctl);
if (phy->rf_rev <= 5)
BWN_PHY_SETMASK(mac, 0x5d, 0xff80, 0x0003);
if (phy->rf_rev <= 2)
BWN_RF_WRITE(mac, 0x005d, 0x000d);
if (phy->analog == 4) {
BWN_WRITE_2(mac, 0x3e4, 9);
BWN_PHY_MASK(mac, 0x61, 0x0fff);
} else
BWN_PHY_SETMASK(mac, 0x0002, 0xffc0, 0x0004);
if (phy->type == BWN_PHYTYPE_B)
KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__));
else if (phy->type == BWN_PHYTYPE_G)
BWN_WRITE_2(mac, 0x03e6, 0x0);
}
static void
bwn_phy_init_a(struct bwn_mac *mac)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_softc *sc = mac->mac_sc;
KASSERT(phy->type == BWN_PHYTYPE_A || phy->type == BWN_PHYTYPE_G,
("%s:%d: fail", __func__, __LINE__));
if (phy->rev >= 6) {
if (phy->type == BWN_PHYTYPE_A)
BWN_PHY_MASK(mac, BWN_PHY_OFDM(0x1b), ~0x1000);
if (BWN_PHY_READ(mac, BWN_PHY_ENCORE) & BWN_PHY_ENCORE_EN)
BWN_PHY_SET(mac, BWN_PHY_ENCORE, 0x0010);
else
BWN_PHY_MASK(mac, BWN_PHY_ENCORE, ~0x1010);
}
bwn_wa_init(mac);
if (phy->type == BWN_PHYTYPE_G &&
(sc->sc_board_info.board_flags & BHND_BFL_PACTRL))
BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x6e), 0xe000, 0x3cf);
}
static void
bwn_wa_write_noisescale(struct bwn_mac *mac, const uint16_t *nst)
{
int i;
for (i = 0; i < BWN_TAB_NOISESCALE_SIZE; i++)
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_NOISESCALE, i, nst[i]);
}
static void
bwn_wa_agc(struct bwn_mac *mac)
{
struct bwn_phy *phy = &mac->mac_phy;
if (phy->rev == 1) {
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC1_R1, 0, 254);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC1_R1, 1, 13);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC1_R1, 2, 19);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC1_R1, 3, 25);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC2, 0, 0x2710);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC2, 1, 0x9b83);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC2, 2, 0x9b83);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC2, 3, 0x0f8d);
BWN_PHY_WRITE(mac, BWN_PHY_LMS, 4);
} else {
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC1, 0, 254);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC1, 1, 13);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC1, 2, 19);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC1, 3, 25);
}
BWN_PHY_SETMASK(mac, BWN_PHY_CCKSHIFTBITS_WA, (uint16_t)~0xff00,
0x5700);
BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x1a), ~0x007f, 0x000f);
BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x1a), ~0x3f80, 0x2b80);
BWN_PHY_SETMASK(mac, BWN_PHY_ANTWRSETT, 0xf0ff, 0x0300);
BWN_RF_SET(mac, 0x7a, 0x0008);
BWN_PHY_SETMASK(mac, BWN_PHY_N1P1GAIN, ~0x000f, 0x0008);
BWN_PHY_SETMASK(mac, BWN_PHY_P1P2GAIN, ~0x0f00, 0x0600);
BWN_PHY_SETMASK(mac, BWN_PHY_N1N2GAIN, ~0x0f00, 0x0700);
BWN_PHY_SETMASK(mac, BWN_PHY_N1P1GAIN, ~0x0f00, 0x0100);
if (phy->rev == 1)
BWN_PHY_SETMASK(mac, BWN_PHY_N1N2GAIN, ~0x000f, 0x0007);
BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x88), ~0x00ff, 0x001c);
BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x88), ~0x3f00, 0x0200);
BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x96), ~0x00ff, 0x001c);
BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x89), ~0x00ff, 0x0020);
BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x89), ~0x3f00, 0x0200);
BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x82), ~0x00ff, 0x002e);
BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x96), (uint16_t)~0xff00, 0x1a00);
BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x81), ~0x00ff, 0x0028);
BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x81), (uint16_t)~0xff00, 0x2c00);
if (phy->rev == 1) {
BWN_PHY_WRITE(mac, BWN_PHY_PEAK_COUNT, 0x092b);
BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x1b), ~0x001e, 0x0002);
} else {
BWN_PHY_MASK(mac, BWN_PHY_OFDM(0x1b), ~0x001e);
BWN_PHY_WRITE(mac, BWN_PHY_OFDM(0x1f), 0x287a);
BWN_PHY_SETMASK(mac, BWN_PHY_LPFGAINCTL, ~0x000f, 0x0004);
if (phy->rev >= 6) {
BWN_PHY_WRITE(mac, BWN_PHY_OFDM(0x22), 0x287a);
BWN_PHY_SETMASK(mac, BWN_PHY_LPFGAINCTL,
(uint16_t)~0xf000, 0x3000);
}
}
BWN_PHY_SETMASK(mac, BWN_PHY_DIVSRCHIDX, 0x8080, 0x7874);
BWN_PHY_WRITE(mac, BWN_PHY_OFDM(0x8e), 0x1c00);
if (phy->rev == 1) {
BWN_PHY_SETMASK(mac, BWN_PHY_DIVP1P2GAIN, ~0x0f00, 0x0600);
BWN_PHY_WRITE(mac, BWN_PHY_OFDM(0x8b), 0x005e);
BWN_PHY_SETMASK(mac, BWN_PHY_ANTWRSETT, ~0x00ff, 0x001e);
BWN_PHY_WRITE(mac, BWN_PHY_OFDM(0x8d), 0x0002);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC3_R1, 0, 0);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC3_R1, 1, 7);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC3_R1, 2, 16);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC3_R1, 3, 28);
} else {
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC3, 0, 0);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC3, 1, 7);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC3, 2, 16);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC3, 3, 28);
}
if (phy->rev >= 6) {
BWN_PHY_MASK(mac, BWN_PHY_OFDM(0x26), ~0x0003);
BWN_PHY_MASK(mac, BWN_PHY_OFDM(0x26), ~0x1000);
}
BWN_PHY_READ(mac, BWN_PHY_VERSION_OFDM);
}
static void
bwn_wa_grev1(struct bwn_mac *mac)
{
struct bwn_phy *phy = &mac->mac_phy;
int i;
static const uint16_t bwn_tab_finefreqg[] = BWN_TAB_FINEFREQ_G;
static const uint32_t bwn_tab_retard[] = BWN_TAB_RETARD;
static const uint32_t bwn_tab_rotor[] = BWN_TAB_ROTOR;
KASSERT(phy->type == BWN_PHYTYPE_G, ("%s fail", __func__));
/* init CRSTHRES and ANTDWELL */
if (phy->rev == 1) {
BWN_PHY_WRITE(mac, BWN_PHY_CRSTHRES1_R1, 0x4f19);
} else if (phy->rev == 2) {
BWN_PHY_WRITE(mac, BWN_PHY_CRSTHRES1, 0x1861);
BWN_PHY_WRITE(mac, BWN_PHY_CRSTHRES2, 0x0271);
BWN_PHY_SET(mac, BWN_PHY_ANTDWELL, 0x0800);
} else {
BWN_PHY_WRITE(mac, BWN_PHY_CRSTHRES1, 0x0098);
BWN_PHY_WRITE(mac, BWN_PHY_CRSTHRES2, 0x0070);
BWN_PHY_WRITE(mac, BWN_PHY_OFDM(0xc9), 0x0080);
BWN_PHY_SET(mac, BWN_PHY_ANTDWELL, 0x0800);
}
BWN_PHY_SETMASK(mac, BWN_PHY_CRS0, ~0x03c0, 0xd000);
BWN_PHY_WRITE(mac, BWN_PHY_OFDM(0x2c), 0x005a);
BWN_PHY_WRITE(mac, BWN_PHY_CCKSHIFTBITS, 0x0026);
/* XXX support PHY-A??? */
for (i = 0; i < N(bwn_tab_finefreqg); i++)
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_DACRFPABB, i,
bwn_tab_finefreqg[i]);
/* XXX support PHY-A??? */
if (phy->rev == 1)
for (i = 0; i < N(bwn_tab_noise_g1); i++)
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC2, i,
bwn_tab_noise_g1[i]);
else
for (i = 0; i < N(bwn_tab_noise_g2); i++)
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC2, i,
bwn_tab_noise_g2[i]);
for (i = 0; i < N(bwn_tab_rotor); i++)
bwn_ofdmtab_write_4(mac, BWN_OFDMTAB_ROTOR, i,
bwn_tab_rotor[i]);
/* XXX support PHY-A??? */
if (phy->rev >= 6) {
if (BWN_PHY_READ(mac, BWN_PHY_ENCORE) &
BWN_PHY_ENCORE_EN)
bwn_wa_write_noisescale(mac, bwn_tab_noisescale_g3);
else
bwn_wa_write_noisescale(mac, bwn_tab_noisescale_g2);
} else
bwn_wa_write_noisescale(mac, bwn_tab_noisescale_g1);
for (i = 0; i < N(bwn_tab_retard); i++)
bwn_ofdmtab_write_4(mac, BWN_OFDMTAB_ADVRETARD, i,
bwn_tab_retard[i]);
if (phy->rev == 1) {
for (i = 0; i < 16; i++)
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_WRSSI_R1,
i, 0x0020);
} else {
for (i = 0; i < 32; i++)
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_WRSSI, i, 0x0820);
}
bwn_wa_agc(mac);
}
static void
bwn_wa_grev26789(struct bwn_mac *mac)
{
struct bwn_phy *phy = &mac->mac_phy;
int i;
static const uint16_t bwn_tab_sigmasqr2[] = BWN_TAB_SIGMASQR2;
uint16_t ofdmrev;
KASSERT(phy->type == BWN_PHYTYPE_G, ("%s fail", __func__));
bwn_gtab_write(mac, BWN_GTAB_ORIGTR, 0, 0xc480);
/* init CRSTHRES and ANTDWELL */
if (phy->rev == 1)
BWN_PHY_WRITE(mac, BWN_PHY_CRSTHRES1_R1, 0x4f19);
else if (phy->rev == 2) {
BWN_PHY_WRITE(mac, BWN_PHY_CRSTHRES1, 0x1861);
BWN_PHY_WRITE(mac, BWN_PHY_CRSTHRES2, 0x0271);
BWN_PHY_SET(mac, BWN_PHY_ANTDWELL, 0x0800);
} else {
BWN_PHY_WRITE(mac, BWN_PHY_CRSTHRES1, 0x0098);
BWN_PHY_WRITE(mac, BWN_PHY_CRSTHRES2, 0x0070);
BWN_PHY_WRITE(mac, BWN_PHY_OFDM(0xc9), 0x0080);
BWN_PHY_SET(mac, BWN_PHY_ANTDWELL, 0x0800);
}
for (i = 0; i < 64; i++)
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_RSSI, i, i);
/* XXX support PHY-A??? */
if (phy->rev == 1)
for (i = 0; i < N(bwn_tab_noise_g1); i++)
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC2, i,
bwn_tab_noise_g1[i]);
else
for (i = 0; i < N(bwn_tab_noise_g2); i++)
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC2, i,
bwn_tab_noise_g2[i]);
/* XXX support PHY-A??? */
if (phy->rev >= 6) {
if (BWN_PHY_READ(mac, BWN_PHY_ENCORE) &
BWN_PHY_ENCORE_EN)
bwn_wa_write_noisescale(mac, bwn_tab_noisescale_g3);
else
bwn_wa_write_noisescale(mac, bwn_tab_noisescale_g2);
} else
bwn_wa_write_noisescale(mac, bwn_tab_noisescale_g1);
for (i = 0; i < N(bwn_tab_sigmasqr2); i++)
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_MINSIGSQ, i,
bwn_tab_sigmasqr2[i]);
if (phy->rev == 1) {
for (i = 0; i < 16; i++)
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_WRSSI_R1, i,
0x0020);
} else {
for (i = 0; i < 32; i++)
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_WRSSI, i, 0x0820);
}
bwn_wa_agc(mac);
ofdmrev = BWN_PHY_READ(mac, BWN_PHY_VERSION_OFDM) & BWN_PHYVER_VERSION;
if (ofdmrev > 2) {
if (phy->type == BWN_PHYTYPE_A)
BWN_PHY_WRITE(mac, BWN_PHY_PWRDOWN, 0x1808);
else
BWN_PHY_WRITE(mac, BWN_PHY_PWRDOWN, 0x1000);
} else {
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_DAC, 3, 0x1044);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_DAC, 4, 0x7201);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_DAC, 6, 0x0040);
}
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_UNKNOWN_0F, 2, 15);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_UNKNOWN_0F, 3, 20);
}
static void
bwn_wa_init(struct bwn_mac *mac)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_softc *sc = mac->mac_sc;
KASSERT(phy->type == BWN_PHYTYPE_G, ("%s fail", __func__));
switch (phy->rev) {
case 1:
bwn_wa_grev1(mac);
break;
case 2:
case 6:
case 7:
case 8:
case 9:
bwn_wa_grev26789(mac);
break;
default:
KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__));
}
if (sc->sc_board_info.board_vendor != PCI_VENDOR_BROADCOM ||
sc->sc_board_info.board_type != BHND_BOARD_BU4306 ||
sc->sc_board_info.board_rev != 0x17) {
if (phy->rev < 2) {
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_GAINX_R1, 1,
0x0002);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_GAINX_R1, 2,
0x0001);
} else {
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_GAINX, 1, 0x0002);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_GAINX, 2, 0x0001);
if ((sc->sc_board_info.board_flags &
BHND_BFL_EXTLNA) &&
(phy->rev >= 7)) {
BWN_PHY_MASK(mac, BWN_PHY_EXTG(0x11), 0xf7ff);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_GAINX,
0x0020, 0x0001);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_GAINX,
0x0021, 0x0001);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_GAINX,
0x0022, 0x0001);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_GAINX,
0x0023, 0x0000);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_GAINX,
0x0000, 0x0000);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_GAINX,
0x0003, 0x0002);
}
}
}
if (sc->sc_board_info.board_flags & BHND_BFL_FEM) {
BWN_PHY_WRITE(mac, BWN_PHY_GTABCTL, 0x3120);
BWN_PHY_WRITE(mac, BWN_PHY_GTABDATA, 0xc480);
}
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_UNKNOWN_11, 0, 0);
bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_UNKNOWN_11, 1, 0);
}
static void
bwn_ofdmtab_write_2(struct bwn_mac *mac, uint16_t table, uint16_t offset,
uint16_t value)
{
struct bwn_phy_g *pg = &mac->mac_phy.phy_g;
uint16_t addr;
addr = table + offset;
if ((pg->pg_ofdmtab_dir != BWN_OFDMTAB_DIR_WRITE) ||
(addr - 1 != pg->pg_ofdmtab_addr)) {
BWN_PHY_WRITE(mac, BWN_PHY_OTABLECTL, addr);
pg->pg_ofdmtab_dir = BWN_OFDMTAB_DIR_WRITE;
}
pg->pg_ofdmtab_addr = addr;
BWN_PHY_WRITE(mac, BWN_PHY_OTABLEI, value);
}
static void
bwn_ofdmtab_write_4(struct bwn_mac *mac, uint16_t table, uint16_t offset,
uint32_t value)
{
struct bwn_phy_g *pg = &mac->mac_phy.phy_g;
uint16_t addr;
addr = table + offset;
if ((pg->pg_ofdmtab_dir != BWN_OFDMTAB_DIR_WRITE) ||
(addr - 1 != pg->pg_ofdmtab_addr)) {
BWN_PHY_WRITE(mac, BWN_PHY_OTABLECTL, addr);
pg->pg_ofdmtab_dir = BWN_OFDMTAB_DIR_WRITE;
}
pg->pg_ofdmtab_addr = addr;
BWN_PHY_WRITE(mac, BWN_PHY_OTABLEI, value);
BWN_PHY_WRITE(mac, BWN_PHY_OTABLEQ, (value >> 16));
}
static void
bwn_gtab_write(struct bwn_mac *mac, uint16_t table, uint16_t offset,
uint16_t value)
{
BWN_PHY_WRITE(mac, BWN_PHY_GTABCTL, table + offset);
BWN_PHY_WRITE(mac, BWN_PHY_GTABDATA, value);
}
static void
bwn_lo_write(struct bwn_mac *mac, struct bwn_loctl *ctl)
{
uint16_t value;
KASSERT(mac->mac_phy.type == BWN_PHYTYPE_G,
("%s:%d: fail", __func__, __LINE__));
value = (uint8_t) (ctl->q);
value |= ((uint8_t) (ctl->i)) << 8;
BWN_PHY_WRITE(mac, BWN_PHY_LO_CTL, value);
}
static uint16_t
bwn_lo_calcfeed(struct bwn_mac *mac,
uint16_t lna, uint16_t pga, uint16_t trsw_rx)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_softc *sc = mac->mac_sc;
uint16_t rfover;
uint16_t feedthrough;
if (phy->gmode) {
lna <<= BWN_PHY_RFOVERVAL_LNA_SHIFT;
pga <<= BWN_PHY_RFOVERVAL_PGA_SHIFT;
KASSERT((lna & ~BWN_PHY_RFOVERVAL_LNA) == 0,
("%s:%d: fail", __func__, __LINE__));
KASSERT((pga & ~BWN_PHY_RFOVERVAL_PGA) == 0,
("%s:%d: fail", __func__, __LINE__));
trsw_rx &= (BWN_PHY_RFOVERVAL_TRSWRX | BWN_PHY_RFOVERVAL_BW);
rfover = BWN_PHY_RFOVERVAL_UNK | pga | lna | trsw_rx;
if ((sc->sc_board_info.board_flags & BHND_BFL_EXTLNA) &&
phy->rev > 6)
rfover |= BWN_PHY_RFOVERVAL_EXTLNA;
BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xe300);
BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL, rfover);
DELAY(10);
rfover |= BWN_PHY_RFOVERVAL_BW_LBW;
BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL, rfover);
DELAY(10);
rfover |= BWN_PHY_RFOVERVAL_BW_LPF;
BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL, rfover);
DELAY(10);
BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xf300);
} else {
pga |= BWN_PHY_PGACTL_UNKNOWN;
BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, pga);
DELAY(10);
pga |= BWN_PHY_PGACTL_LOWBANDW;
BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, pga);
DELAY(10);
pga |= BWN_PHY_PGACTL_LPF;
BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, pga);
}
DELAY(21);
feedthrough = BWN_PHY_READ(mac, BWN_PHY_LO_LEAKAGE);
return (feedthrough);
}
static uint16_t
bwn_lo_txctl_regtable(struct bwn_mac *mac,
uint16_t *value, uint16_t *pad_mix_gain)
{
struct bwn_phy *phy = &mac->mac_phy;
uint16_t reg, v, padmix;
if (phy->type == BWN_PHYTYPE_B) {
v = 0x30;
if (phy->rf_rev <= 5) {
reg = 0x43;
padmix = 0;
} else {
reg = 0x52;
padmix = 5;
}
} else {
if (phy->rev >= 2 && phy->rf_rev == 8) {
reg = 0x43;
v = 0x10;
padmix = 2;
} else {
reg = 0x52;
v = 0x30;
padmix = 5;
}
}
if (value)
*value = v;
if (pad_mix_gain)
*pad_mix_gain = padmix;
return (reg);
}
static void
bwn_lo_measure_txctl_values(struct bwn_mac *mac)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
struct bwn_txpwr_loctl *lo = &pg->pg_loctl;
uint16_t reg, mask;
uint16_t trsw_rx, pga;
uint16_t rf_pctl_reg;
static const uint8_t tx_bias_values[] = {
0x09, 0x08, 0x0a, 0x01, 0x00,
0x02, 0x05, 0x04, 0x06,
};
static const uint8_t tx_magn_values[] = {
0x70, 0x40,
};
if (!BWN_HAS_LOOPBACK(phy)) {
rf_pctl_reg = 6;
trsw_rx = 2;
pga = 0;
} else {
int lb_gain;
trsw_rx = 0;
lb_gain = pg->pg_max_lb_gain / 2;
if (lb_gain > 10) {
rf_pctl_reg = 0;
pga = abs(10 - lb_gain) / 6;
pga = MIN(MAX(pga, 0), 15);
} else {
int cmp_val;
int tmp;
pga = 0;
cmp_val = 0x24;
if ((phy->rev >= 2) &&
(phy->rf_ver == 0x2050) && (phy->rf_rev == 8))
cmp_val = 0x3c;
tmp = lb_gain;
if ((10 - lb_gain) < cmp_val)
tmp = (10 - lb_gain);
if (tmp < 0)
tmp += 6;
else
tmp += 3;
cmp_val /= 4;
tmp /= 4;
if (tmp >= cmp_val)
rf_pctl_reg = cmp_val;
else
rf_pctl_reg = tmp;
}
}
BWN_RF_SETMASK(mac, 0x43, 0xfff0, rf_pctl_reg);
bwn_phy_g_set_bbatt(mac, 2);
reg = bwn_lo_txctl_regtable(mac, &mask, NULL);
mask = ~mask;
BWN_RF_MASK(mac, reg, mask);
if (BWN_HAS_TXMAG(phy)) {
int i, j;
int feedthrough;
int min_feedth = 0xffff;
uint8_t tx_magn, tx_bias;
for (i = 0; i < N(tx_magn_values); i++) {
tx_magn = tx_magn_values[i];
BWN_RF_SETMASK(mac, 0x52, 0xff0f, tx_magn);
for (j = 0; j < N(tx_bias_values); j++) {
tx_bias = tx_bias_values[j];
BWN_RF_SETMASK(mac, 0x52, 0xfff0, tx_bias);
feedthrough = bwn_lo_calcfeed(mac, 0, pga,
trsw_rx);
if (feedthrough < min_feedth) {
lo->tx_bias = tx_bias;
lo->tx_magn = tx_magn;
min_feedth = feedthrough;
}
if (lo->tx_bias == 0)
break;
}
BWN_RF_WRITE(mac, 0x52,
(BWN_RF_READ(mac, 0x52)
& 0xff00) | lo->tx_bias | lo->
tx_magn);
}
} else {
lo->tx_magn = 0;
lo->tx_bias = 0;
BWN_RF_MASK(mac, 0x52, 0xfff0);
}
BWN_GETTIME(lo->txctl_measured_time);
}
static void
bwn_lo_get_powervector(struct bwn_mac *mac)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
struct bwn_txpwr_loctl *lo = &pg->pg_loctl;
int i;
uint64_t tmp;
uint64_t power_vector = 0;
for (i = 0; i < 8; i += 2) {
tmp = bwn_shm_read_2(mac, BWN_SHARED, 0x310 + i);
power_vector |= (tmp << (i * 8));
bwn_shm_write_2(mac, BWN_SHARED, 0x310 + i, 0);
}
if (power_vector)
lo->power_vector = power_vector;
BWN_GETTIME(lo->pwr_vec_read_time);
}
static void
bwn_lo_measure_gain_values(struct bwn_mac *mac, int16_t max_rx_gain,
int use_trsw_rx)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
uint16_t tmp;
if (max_rx_gain < 0)
max_rx_gain = 0;
if (BWN_HAS_LOOPBACK(phy)) {
int trsw_rx = 0;
int trsw_rx_gain;
if (use_trsw_rx) {
trsw_rx_gain = pg->pg_trsw_rx_gain / 2;
if (max_rx_gain >= trsw_rx_gain) {
trsw_rx_gain = max_rx_gain - trsw_rx_gain;
trsw_rx = 0x20;
}
} else
trsw_rx_gain = max_rx_gain;
if (trsw_rx_gain < 9) {
pg->pg_lna_lod_gain = 0;
} else {
pg->pg_lna_lod_gain = 1;
trsw_rx_gain -= 8;
}
trsw_rx_gain = MIN(MAX(trsw_rx_gain, 0), 0x2d);
pg->pg_pga_gain = trsw_rx_gain / 3;
if (pg->pg_pga_gain >= 5) {
pg->pg_pga_gain -= 5;
pg->pg_lna_gain = 2;
} else
pg->pg_lna_gain = 0;
} else {
pg->pg_lna_gain = 0;
pg->pg_trsw_rx_gain = 0x20;
if (max_rx_gain >= 0x14) {
pg->pg_lna_lod_gain = 1;
pg->pg_pga_gain = 2;
} else if (max_rx_gain >= 0x12) {
pg->pg_lna_lod_gain = 1;
pg->pg_pga_gain = 1;
} else if (max_rx_gain >= 0xf) {
pg->pg_lna_lod_gain = 1;
pg->pg_pga_gain = 0;
} else {
pg->pg_lna_lod_gain = 0;
pg->pg_pga_gain = 0;
}
}
tmp = BWN_RF_READ(mac, 0x7a);
if (pg->pg_lna_lod_gain == 0)
tmp &= ~0x0008;
else
tmp |= 0x0008;
BWN_RF_WRITE(mac, 0x7a, tmp);
}
static void
bwn_lo_save(struct bwn_mac *mac, struct bwn_lo_g_value *sav)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
struct bwn_softc *sc = mac->mac_sc;
struct bwn_txpwr_loctl *lo = &pg->pg_loctl;
struct timespec ts;
uint16_t tmp;
if (bwn_has_hwpctl(mac)) {
sav->phy_lomask = BWN_PHY_READ(mac, BWN_PHY_LO_MASK);
sav->phy_extg = BWN_PHY_READ(mac, BWN_PHY_EXTG(0x01));
sav->phy_dacctl_hwpctl = BWN_PHY_READ(mac, BWN_PHY_DACCTL);
sav->phy_cck4 = BWN_PHY_READ(mac, BWN_PHY_CCK(0x14));
sav->phy_hpwr_tssictl = BWN_PHY_READ(mac, BWN_PHY_HPWR_TSSICTL);
BWN_PHY_SET(mac, BWN_PHY_HPWR_TSSICTL, 0x100);
BWN_PHY_SET(mac, BWN_PHY_EXTG(0x01), 0x40);
BWN_PHY_SET(mac, BWN_PHY_DACCTL, 0x40);
BWN_PHY_SET(mac, BWN_PHY_CCK(0x14), 0x200);
}
if (phy->type == BWN_PHYTYPE_B &&
phy->rf_ver == 0x2050 && phy->rf_rev < 6) {
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x16), 0x410);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x17), 0x820);
}
if (phy->rev >= 2) {
sav->phy_analogover = BWN_PHY_READ(mac, BWN_PHY_ANALOGOVER);
sav->phy_analogoverval =
BWN_PHY_READ(mac, BWN_PHY_ANALOGOVERVAL);
sav->phy_rfover = BWN_PHY_READ(mac, BWN_PHY_RFOVER);
sav->phy_rfoverval = BWN_PHY_READ(mac, BWN_PHY_RFOVERVAL);
sav->phy_classctl = BWN_PHY_READ(mac, BWN_PHY_CLASSCTL);
sav->phy_cck3 = BWN_PHY_READ(mac, BWN_PHY_CCK(0x3e));
sav->phy_crs0 = BWN_PHY_READ(mac, BWN_PHY_CRS0);
BWN_PHY_MASK(mac, BWN_PHY_CLASSCTL, 0xfffc);
BWN_PHY_MASK(mac, BWN_PHY_CRS0, 0x7fff);
BWN_PHY_SET(mac, BWN_PHY_ANALOGOVER, 0x0003);
BWN_PHY_MASK(mac, BWN_PHY_ANALOGOVERVAL, 0xfffc);
if (phy->type == BWN_PHYTYPE_G) {
if ((phy->rev >= 7) &&
(sc->sc_board_info.board_flags &
BHND_BFL_EXTLNA)) {
BWN_PHY_WRITE(mac, BWN_PHY_RFOVER, 0x933);
} else {
BWN_PHY_WRITE(mac, BWN_PHY_RFOVER, 0x133);
}
} else {
BWN_PHY_WRITE(mac, BWN_PHY_RFOVER, 0);
}
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x3e), 0);
}
sav->reg0 = BWN_READ_2(mac, 0x3f4);
sav->reg1 = BWN_READ_2(mac, 0x3e2);
sav->rf0 = BWN_RF_READ(mac, 0x43);
sav->rf1 = BWN_RF_READ(mac, 0x7a);
sav->phy_pgactl = BWN_PHY_READ(mac, BWN_PHY_PGACTL);
sav->phy_cck2 = BWN_PHY_READ(mac, BWN_PHY_CCK(0x2a));
sav->phy_syncctl = BWN_PHY_READ(mac, BWN_PHY_SYNCCTL);
sav->phy_dacctl = BWN_PHY_READ(mac, BWN_PHY_DACCTL);
if (!BWN_HAS_TXMAG(phy)) {
sav->rf2 = BWN_RF_READ(mac, 0x52);
sav->rf2 &= 0x00f0;
}
if (phy->type == BWN_PHYTYPE_B) {
sav->phy_cck0 = BWN_PHY_READ(mac, BWN_PHY_CCK(0x30));
sav->phy_cck1 = BWN_PHY_READ(mac, BWN_PHY_CCK(0x06));
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x30), 0x00ff);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x06), 0x3f3f);
} else {
BWN_WRITE_2(mac, 0x3e2, BWN_READ_2(mac, 0x3e2)
| 0x8000);
}
BWN_WRITE_2(mac, 0x3f4, BWN_READ_2(mac, 0x3f4)
& 0xf000);
tmp =
(phy->type == BWN_PHYTYPE_G) ? BWN_PHY_LO_MASK : BWN_PHY_CCK(0x2e);
BWN_PHY_WRITE(mac, tmp, 0x007f);
tmp = sav->phy_syncctl;
BWN_PHY_WRITE(mac, BWN_PHY_SYNCCTL, tmp & 0xff7f);
tmp = sav->rf1;
BWN_RF_WRITE(mac, 0x007a, tmp & 0xfff0);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2a), 0x8a3);
if (phy->type == BWN_PHYTYPE_G ||
(phy->type == BWN_PHYTYPE_B &&
phy->rf_ver == 0x2050 && phy->rf_rev >= 6)) {
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2b), 0x1003);
} else
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2b), 0x0802);
if (phy->rev >= 2)
bwn_dummy_transmission(mac, 0, 1);
bwn_phy_g_switch_chan(mac, 6, 0);
BWN_RF_READ(mac, 0x51);
if (phy->type == BWN_PHYTYPE_G)
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2f), 0);
nanouptime(&ts);
if (ieee80211_time_before(lo->txctl_measured_time,
(ts.tv_nsec / 1000000 + ts.tv_sec * 1000) - BWN_LO_TXCTL_EXPIRE))
bwn_lo_measure_txctl_values(mac);
if (phy->type == BWN_PHYTYPE_G && phy->rev >= 3)
BWN_PHY_WRITE(mac, BWN_PHY_LO_MASK, 0xc078);
else {
if (phy->type == BWN_PHYTYPE_B)
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2e), 0x8078);
else
BWN_PHY_WRITE(mac, BWN_PHY_LO_MASK, 0x8078);
}
}
static void
bwn_lo_restore(struct bwn_mac *mac, struct bwn_lo_g_value *sav)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
uint16_t tmp;
if (phy->rev >= 2) {
BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xe300);
tmp = (pg->pg_pga_gain << 8);
BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL, tmp | 0xa0);
DELAY(5);
BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL, tmp | 0xa2);
DELAY(2);
BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL, tmp | 0xa3);
} else {
tmp = (pg->pg_pga_gain | 0xefa0);
BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, tmp);
}
if (phy->type == BWN_PHYTYPE_G) {
if (phy->rev >= 3)
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2e), 0xc078);
else
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2e), 0x8078);
if (phy->rev >= 2)
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2f), 0x0202);
else
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2f), 0x0101);
}
BWN_WRITE_2(mac, 0x3f4, sav->reg0);
BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, sav->phy_pgactl);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2a), sav->phy_cck2);
BWN_PHY_WRITE(mac, BWN_PHY_SYNCCTL, sav->phy_syncctl);
BWN_PHY_WRITE(mac, BWN_PHY_DACCTL, sav->phy_dacctl);
BWN_RF_WRITE(mac, 0x43, sav->rf0);
BWN_RF_WRITE(mac, 0x7a, sav->rf1);
if (!BWN_HAS_TXMAG(phy)) {
tmp = sav->rf2;
BWN_RF_SETMASK(mac, 0x52, 0xff0f, tmp);
}
BWN_WRITE_2(mac, 0x3e2, sav->reg1);
if (phy->type == BWN_PHYTYPE_B &&
phy->rf_ver == 0x2050 && phy->rf_rev <= 5) {
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x30), sav->phy_cck0);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x06), sav->phy_cck1);
}
if (phy->rev >= 2) {
BWN_PHY_WRITE(mac, BWN_PHY_ANALOGOVER, sav->phy_analogover);
BWN_PHY_WRITE(mac, BWN_PHY_ANALOGOVERVAL,
sav->phy_analogoverval);
BWN_PHY_WRITE(mac, BWN_PHY_CLASSCTL, sav->phy_classctl);
BWN_PHY_WRITE(mac, BWN_PHY_RFOVER, sav->phy_rfover);
BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL, sav->phy_rfoverval);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x3e), sav->phy_cck3);
BWN_PHY_WRITE(mac, BWN_PHY_CRS0, sav->phy_crs0);
}
if (bwn_has_hwpctl(mac)) {
tmp = (sav->phy_lomask & 0xbfff);
BWN_PHY_WRITE(mac, BWN_PHY_LO_MASK, tmp);
BWN_PHY_WRITE(mac, BWN_PHY_EXTG(0x01), sav->phy_extg);
BWN_PHY_WRITE(mac, BWN_PHY_DACCTL, sav->phy_dacctl_hwpctl);
BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x14), sav->phy_cck4);
BWN_PHY_WRITE(mac, BWN_PHY_HPWR_TSSICTL, sav->phy_hpwr_tssictl);
}
bwn_phy_g_switch_chan(mac, sav->old_channel, 1);
}
static int
bwn_lo_probe_loctl(struct bwn_mac *mac,
struct bwn_loctl *probe, struct bwn_lo_g_sm *d)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
struct bwn_loctl orig, test;
struct bwn_loctl prev = { -100, -100 };
static const struct bwn_loctl modifiers[] = {
{ 1, 1,}, { 1, 0,}, { 1, -1,}, { 0, -1,},
{ -1, -1,}, { -1, 0,}, { -1, 1,}, { 0, 1,}
};
int begin, end, lower = 0, i;
uint16_t feedth;
if (d->curstate == 0) {
begin = 1;
end = 8;
} else if (d->curstate % 2 == 0) {
begin = d->curstate - 1;
end = d->curstate + 1;
} else {
begin = d->curstate - 2;
end = d->curstate + 2;
}
if (begin < 1)
begin += 8;
if (end > 8)
end -= 8;
memcpy(&orig, probe, sizeof(struct bwn_loctl));
i = begin;
d->curstate = i;
while (1) {
KASSERT(i >= 1 && i <= 8, ("%s:%d: fail", __func__, __LINE__));
memcpy(&test, &orig, sizeof(struct bwn_loctl));
test.i += modifiers[i - 1].i * d->multipler;
test.q += modifiers[i - 1].q * d->multipler;
if ((test.i != prev.i || test.q != prev.q) &&
(abs(test.i) <= 16 && abs(test.q) <= 16)) {
bwn_lo_write(mac, &test);
feedth = bwn_lo_calcfeed(mac, pg->pg_lna_gain,
pg->pg_pga_gain, pg->pg_trsw_rx_gain);
if (feedth < d->feedth) {
memcpy(probe, &test,
sizeof(struct bwn_loctl));
lower = 1;
d->feedth = feedth;
if (d->nmeasure < 2 && !BWN_HAS_LOOPBACK(phy))
break;
}
}
memcpy(&prev, &test, sizeof(prev));
if (i == end)
break;
if (i == 8)
i = 1;
else
i++;
d->curstate = i;
}
return (lower);
}
static void
bwn_lo_probe_sm(struct bwn_mac *mac, struct bwn_loctl *loctl, int *rxgain)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
struct bwn_lo_g_sm d;
struct bwn_loctl probe;
int lower, repeat, cnt = 0;
uint16_t feedth;
d.nmeasure = 0;
d.multipler = 1;
if (BWN_HAS_LOOPBACK(phy))
d.multipler = 3;
memcpy(&d.loctl, loctl, sizeof(struct bwn_loctl));
repeat = (BWN_HAS_LOOPBACK(phy)) ? 4 : 1;
do {
bwn_lo_write(mac, &d.loctl);
feedth = bwn_lo_calcfeed(mac, pg->pg_lna_gain,
pg->pg_pga_gain, pg->pg_trsw_rx_gain);
if (feedth < 0x258) {
if (feedth >= 0x12c)
*rxgain += 6;
else
*rxgain += 3;
feedth = bwn_lo_calcfeed(mac, pg->pg_lna_gain,
pg->pg_pga_gain, pg->pg_trsw_rx_gain);
}
d.feedth = feedth;
d.curstate = 0;
do {
KASSERT(d.curstate >= 0 && d.curstate <= 8,
("%s:%d: fail", __func__, __LINE__));
memcpy(&probe, &d.loctl,
sizeof(struct bwn_loctl));
lower = bwn_lo_probe_loctl(mac, &probe, &d);
if (!lower)
break;
if ((probe.i == d.loctl.i) && (probe.q == d.loctl.q))
break;
memcpy(&d.loctl, &probe, sizeof(struct bwn_loctl));
d.nmeasure++;
} while (d.nmeasure < 24);
memcpy(loctl, &d.loctl, sizeof(struct bwn_loctl));
if (BWN_HAS_LOOPBACK(phy)) {
if (d.feedth > 0x1194)
*rxgain -= 6;
else if (d.feedth < 0x5dc)
*rxgain += 3;
if (cnt == 0) {
if (d.feedth <= 0x5dc) {
d.multipler = 1;
cnt++;
} else
d.multipler = 2;
} else if (cnt == 2)
d.multipler = 1;
}
bwn_lo_measure_gain_values(mac, *rxgain, BWN_HAS_LOOPBACK(phy));
} while (++cnt < repeat);
}
static struct bwn_lo_calib *
bwn_lo_calibset(struct bwn_mac *mac,
const struct bwn_bbatt *bbatt, const struct bwn_rfatt *rfatt)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
struct bwn_loctl loctl = { 0, 0 };
struct bwn_lo_calib *cal;
struct bwn_lo_g_value sval = { 0 };
int rxgain;
uint16_t pad, reg, value;
sval.old_channel = phy->chan;
bwn_mac_suspend(mac);
bwn_lo_save(mac, &sval);
reg = bwn_lo_txctl_regtable(mac, &value, &pad);
BWN_RF_SETMASK(mac, 0x43, 0xfff0, rfatt->att);
BWN_RF_SETMASK(mac, reg, ~value, (rfatt->padmix ? value :0));
rxgain = (rfatt->att * 2) + (bbatt->att / 2);
if (rfatt->padmix)
rxgain -= pad;
if (BWN_HAS_LOOPBACK(phy))
rxgain += pg->pg_max_lb_gain;
bwn_lo_measure_gain_values(mac, rxgain, BWN_HAS_LOOPBACK(phy));
bwn_phy_g_set_bbatt(mac, bbatt->att);
bwn_lo_probe_sm(mac, &loctl, &rxgain);
bwn_lo_restore(mac, &sval);
bwn_mac_enable(mac);
cal = malloc(sizeof(*cal), M_DEVBUF, M_NOWAIT | M_ZERO);
if (!cal) {
device_printf(mac->mac_sc->sc_dev, "out of memory\n");
return (NULL);
}
memcpy(&cal->bbatt, bbatt, sizeof(*bbatt));
memcpy(&cal->rfatt, rfatt, sizeof(*rfatt));
memcpy(&cal->ctl, &loctl, sizeof(loctl));
BWN_GETTIME(cal->calib_time);
return (cal);
}
static struct bwn_lo_calib *
bwn_lo_get_calib(struct bwn_mac *mac, const struct bwn_bbatt *bbatt,
const struct bwn_rfatt *rfatt)
{
struct bwn_txpwr_loctl *lo = &mac->mac_phy.phy_g.pg_loctl;
struct bwn_lo_calib *c;
TAILQ_FOREACH(c, &lo->calib_list, list) {
if (!BWN_BBATTCMP(&c->bbatt, bbatt))
continue;
if (!BWN_RFATTCMP(&c->rfatt, rfatt))
continue;
return (c);
}
c = bwn_lo_calibset(mac, bbatt, rfatt);
if (!c)
return (NULL);
TAILQ_INSERT_TAIL(&lo->calib_list, c, list);
return (c);
}
static void
bwn_phy_g_dc_lookup_init(struct bwn_mac *mac, uint8_t update)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
struct bwn_softc *sc = mac->mac_sc;
struct bwn_txpwr_loctl *lo = &pg->pg_loctl;
const struct bwn_rfatt *rfatt;
const struct bwn_bbatt *bbatt;
uint64_t pvector;
int i;
int rf_offset, bb_offset;
uint8_t changed = 0;
KASSERT(BWN_DC_LT_SIZE == 32, ("%s:%d: fail", __func__, __LINE__));
KASSERT(lo->rfatt.len * lo->bbatt.len <= 64,
("%s:%d: fail", __func__, __LINE__));
pvector = lo->power_vector;
if (!update && !pvector)
return;
bwn_mac_suspend(mac);
for (i = 0; i < BWN_DC_LT_SIZE * 2; i++) {
struct bwn_lo_calib *cal;
int idx;
uint16_t val;
if (!update && !(pvector & (((uint64_t)1ULL) << i)))
continue;
bb_offset = i / lo->rfatt.len;
rf_offset = i % lo->rfatt.len;
bbatt = &(lo->bbatt.array[bb_offset]);
rfatt = &(lo->rfatt.array[rf_offset]);
cal = bwn_lo_calibset(mac, bbatt, rfatt);
if (!cal) {
device_printf(sc->sc_dev, "LO: Could not "
"calibrate DC table entry\n");
continue;
}
val = (uint8_t)(cal->ctl.q);
val |= ((uint8_t)(cal->ctl.i)) << 4;
free(cal, M_DEVBUF);
idx = i / 2;
if (i % 2)
lo->dc_lt[idx] = (lo->dc_lt[idx] & 0x00ff)
| ((val & 0x00ff) << 8);
else
lo->dc_lt[idx] = (lo->dc_lt[idx] & 0xff00)
| (val & 0x00ff);
changed = 1;
}
if (changed) {
for (i = 0; i < BWN_DC_LT_SIZE; i++)
BWN_PHY_WRITE(mac, 0x3a0 + i, lo->dc_lt[i]);
}
bwn_mac_enable(mac);
}
static void
bwn_lo_fixup_rfatt(struct bwn_rfatt *rf)
{
if (!rf->padmix)
return;
if ((rf->att != 1) && (rf->att != 2) && (rf->att != 3))
rf->att = 4;
}
static void
bwn_lo_g_adjust(struct bwn_mac *mac)
{
struct bwn_phy_g *pg = &mac->mac_phy.phy_g;
struct bwn_lo_calib *cal;
struct bwn_rfatt rf;
memcpy(&rf, &pg->pg_rfatt, sizeof(rf));
bwn_lo_fixup_rfatt(&rf);
cal = bwn_lo_get_calib(mac, &pg->pg_bbatt, &rf);
if (!cal)
return;
bwn_lo_write(mac, &cal->ctl);
}
static void
bwn_lo_g_init(struct bwn_mac *mac)
{
if (!bwn_has_hwpctl(mac))
return;
bwn_lo_get_powervector(mac);
bwn_phy_g_dc_lookup_init(mac, 1);
}
static int16_t
bwn_nrssi_read(struct bwn_mac *mac, uint16_t offset)
{
BWN_PHY_WRITE(mac, BWN_PHY_NRSSI_CTRL, offset);
return ((int16_t)BWN_PHY_READ(mac, BWN_PHY_NRSSI_DATA));
}
static void
bwn_nrssi_threshold(struct bwn_mac *mac)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
struct bwn_softc *sc = mac->mac_sc;
int32_t a, b;
int16_t tmp16;
uint16_t tmpu16;
KASSERT(phy->type == BWN_PHYTYPE_G, ("%s: fail", __func__));
if (phy->gmode && (sc->sc_board_info.board_flags & BHND_BFL_ADCDIV)) {
if (!pg->pg_aci_wlan_automatic && pg->pg_aci_enable) {
a = 0x13;
b = 0x12;
} else {
a = 0xe;
b = 0x11;
}
a = a * (pg->pg_nrssi[1] - pg->pg_nrssi[0]);
a += (pg->pg_nrssi[0] << 6);
a += (a < 32) ? 31 : 32;
a = a >> 6;
a = MIN(MAX(a, -31), 31);
b = b * (pg->pg_nrssi[1] - pg->pg_nrssi[0]);
b += (pg->pg_nrssi[0] << 6);
if (b < 32)
b += 31;
else
b += 32;
b = b >> 6;
b = MIN(MAX(b, -31), 31);
tmpu16 = BWN_PHY_READ(mac, 0x048a) & 0xf000;
tmpu16 |= ((uint32_t)b & 0x0000003f);
tmpu16 |= (((uint32_t)a & 0x0000003f) << 6);
BWN_PHY_WRITE(mac, 0x048a, tmpu16);
return;
}
tmp16 = bwn_nrssi_read(mac, 0x20);
if (tmp16 >= 0x20)
tmp16 -= 0x40;
BWN_PHY_SETMASK(mac, 0x048a, 0xf000, (tmp16 < 3) ? 0x09eb : 0x0aed);
}
static void
bwn_nrssi_slope_11g(struct bwn_mac *mac)
{
#define SAVE_RF_MAX 3
#define SAVE_PHY_COMM_MAX 4
#define SAVE_PHY3_MAX 8
static const uint16_t save_rf_regs[SAVE_RF_MAX] =
{ 0x7a, 0x52, 0x43 };
static const uint16_t save_phy_comm_regs[SAVE_PHY_COMM_MAX] =
{ 0x15, 0x5a, 0x59, 0x58 };
static const uint16_t save_phy3_regs[SAVE_PHY3_MAX] = {
0x002e, 0x002f, 0x080f, BWN_PHY_G_LOCTL,
0x0801, 0x0060, 0x0014, 0x0478
};
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
int32_t i, tmp32, phy3_idx = 0;
uint16_t delta, tmp;
uint16_t save_rf[SAVE_RF_MAX];
uint16_t save_phy_comm[SAVE_PHY_COMM_MAX];
uint16_t save_phy3[SAVE_PHY3_MAX];
uint16_t ant_div, phy0, chan_ex;
int16_t nrssi0, nrssi1;
KASSERT(phy->type == BWN_PHYTYPE_G,
("%s:%d: fail", __func__, __LINE__));
if (phy->rf_rev >= 9)
return;
if (phy->rf_rev == 8)
bwn_nrssi_offset(mac);
BWN_PHY_MASK(mac, BWN_PHY_G_CRS, 0x7fff);
BWN_PHY_MASK(mac, 0x0802, 0xfffc);
/*
* Save RF/PHY registers for later restoration
*/
ant_div = BWN_READ_2(mac, 0x03e2);
BWN_WRITE_2(mac, 0x03e2, BWN_READ_2(mac, 0x03e2) | 0x8000);
for (i = 0; i < SAVE_RF_MAX; ++i)
save_rf[i] = BWN_RF_READ(mac, save_rf_regs[i]);
for (i = 0; i < SAVE_PHY_COMM_MAX; ++i)
save_phy_comm[i] = BWN_PHY_READ(mac, save_phy_comm_regs[i]);
phy0 = BWN_READ_2(mac, BWN_PHY0);
chan_ex = BWN_READ_2(mac, BWN_CHANNEL_EXT);
if (phy->rev >= 3) {
for (i = 0; i < SAVE_PHY3_MAX; ++i)
save_phy3[i] = BWN_PHY_READ(mac, save_phy3_regs[i]);
BWN_PHY_WRITE(mac, 0x002e, 0);
BWN_PHY_WRITE(mac, BWN_PHY_G_LOCTL, 0);
switch (phy->rev) {
case 4:
case 6:
case 7:
BWN_PHY_SET(mac, 0x0478, 0x0100);
BWN_PHY_SET(mac, 0x0801, 0x0040);
break;
case 3:
case 5:
BWN_PHY_MASK(mac, 0x0801, 0xffbf);
break;
}
BWN_PHY_SET(mac, 0x0060, 0x0040);
BWN_PHY_SET(mac, 0x0014, 0x0200);
}
/*
* Calculate nrssi0
*/
BWN_RF_SET(mac, 0x007a, 0x0070);
bwn_set_all_gains(mac, 0, 8, 0);
BWN_RF_MASK(mac, 0x007a, 0x00f7);
if (phy->rev >= 2) {
BWN_PHY_SETMASK(mac, 0x0811, 0xffcf, 0x0030);
BWN_PHY_SETMASK(mac, 0x0812, 0xffcf, 0x0010);
}
BWN_RF_SET(mac, 0x007a, 0x0080);
DELAY(20);
nrssi0 = (int16_t) ((BWN_PHY_READ(mac, 0x047f) >> 8) & 0x003f);
if (nrssi0 >= 0x0020)
nrssi0 -= 0x0040;
/*
* Calculate nrssi1
*/
BWN_RF_MASK(mac, 0x007a, 0x007f);
if (phy->rev >= 2)
BWN_PHY_SETMASK(mac, 0x0003, 0xff9f, 0x0040);
BWN_WRITE_2(mac, BWN_CHANNEL_EXT,
BWN_READ_2(mac, BWN_CHANNEL_EXT) | 0x2000);
BWN_RF_SET(mac, 0x007a, 0x000f);
BWN_PHY_WRITE(mac, 0x0015, 0xf330);
if (phy->rev >= 2) {
BWN_PHY_SETMASK(mac, 0x0812, 0xffcf, 0x0020);
BWN_PHY_SETMASK(mac, 0x0811, 0xffcf, 0x0020);
}
bwn_set_all_gains(mac, 3, 0, 1);
if (phy->rf_rev == 8) {
BWN_RF_WRITE(mac, 0x0043, 0x001f);
} else {
tmp = BWN_RF_READ(mac, 0x0052) & 0xff0f;
BWN_RF_WRITE(mac, 0x0052, tmp | 0x0060);
tmp = BWN_RF_READ(mac, 0x0043) & 0xfff0;
BWN_RF_WRITE(mac, 0x0043, tmp | 0x0009);
}
BWN_PHY_WRITE(mac, 0x005a, 0x0480);
BWN_PHY_WRITE(mac, 0x0059, 0x0810);
BWN_PHY_WRITE(mac, 0x0058, 0x000d);
DELAY(20);
nrssi1 = (int16_t) ((BWN_PHY_READ(mac, 0x047f) >> 8) & 0x003f);
/*
* Install calculated narrow RSSI values
*/
if (nrssi1 >= 0x0020)
nrssi1 -= 0x0040;
if (nrssi0 == nrssi1)
pg->pg_nrssi_slope = 0x00010000;
else
pg->pg_nrssi_slope = 0x00400000 / (nrssi0 - nrssi1);
if (nrssi0 >= -4) {
pg->pg_nrssi[0] = nrssi1;
pg->pg_nrssi[1] = nrssi0;
}
/*
* Restore saved RF/PHY registers
*/
if (phy->rev >= 3) {
for (phy3_idx = 0; phy3_idx < 4; ++phy3_idx) {
BWN_PHY_WRITE(mac, save_phy3_regs[phy3_idx],
save_phy3[phy3_idx]);
}
}
if (phy->rev >= 2) {
BWN_PHY_MASK(mac, 0x0812, 0xffcf);
BWN_PHY_MASK(mac, 0x0811, 0xffcf);
}
for (i = 0; i < SAVE_RF_MAX; ++i)
BWN_RF_WRITE(mac, save_rf_regs[i], save_rf[i]);
BWN_WRITE_2(mac, 0x03e2, ant_div);
BWN_WRITE_2(mac, 0x03e6, phy0);
BWN_WRITE_2(mac, BWN_CHANNEL_EXT, chan_ex);
for (i = 0; i < SAVE_PHY_COMM_MAX; ++i)
BWN_PHY_WRITE(mac, save_phy_comm_regs[i], save_phy_comm[i]);
bwn_spu_workaround(mac, phy->chan);
BWN_PHY_SET(mac, 0x0802, (0x0001 | 0x0002));
bwn_set_original_gains(mac);
BWN_PHY_SET(mac, BWN_PHY_G_CRS, 0x8000);
if (phy->rev >= 3) {
for (; phy3_idx < SAVE_PHY3_MAX; ++phy3_idx) {
BWN_PHY_WRITE(mac, save_phy3_regs[phy3_idx],
save_phy3[phy3_idx]);
}
}
delta = 0x1f - pg->pg_nrssi[0];
for (i = 0; i < 64; i++) {
tmp32 = (((i - delta) * pg->pg_nrssi_slope) / 0x10000) + 0x3a;
tmp32 = MIN(MAX(tmp32, 0), 0x3f);
pg->pg_nrssi_lt[i] = tmp32;
}
bwn_nrssi_threshold(mac);
#undef SAVE_RF_MAX
#undef SAVE_PHY_COMM_MAX
#undef SAVE_PHY3_MAX
}
static void
bwn_nrssi_offset(struct bwn_mac *mac)
{
#define SAVE_RF_MAX 2
#define SAVE_PHY_COMM_MAX 10
#define SAVE_PHY6_MAX 8
static const uint16_t save_rf_regs[SAVE_RF_MAX] =
{ 0x7a, 0x43 };
static const uint16_t save_phy_comm_regs[SAVE_PHY_COMM_MAX] = {
0x0001, 0x0811, 0x0812, 0x0814,
0x0815, 0x005a, 0x0059, 0x0058,
0x000a, 0x0003
};
static const uint16_t save_phy6_regs[SAVE_PHY6_MAX] = {
0x002e, 0x002f, 0x080f, 0x0810,
0x0801, 0x0060, 0x0014, 0x0478
};
struct bwn_phy *phy = &mac->mac_phy;
int i, phy6_idx = 0;
uint16_t save_rf[SAVE_RF_MAX];
uint16_t save_phy_comm[SAVE_PHY_COMM_MAX];
uint16_t save_phy6[SAVE_PHY6_MAX];
int16_t nrssi;
uint16_t saved = 0xffff;
for (i = 0; i < SAVE_PHY_COMM_MAX; ++i)
save_phy_comm[i] = BWN_PHY_READ(mac, save_phy_comm_regs[i]);
for (i = 0; i < SAVE_RF_MAX; ++i)
save_rf[i] = BWN_RF_READ(mac, save_rf_regs[i]);
BWN_PHY_MASK(mac, 0x0429, 0x7fff);
BWN_PHY_SETMASK(mac, 0x0001, 0x3fff, 0x4000);
BWN_PHY_SET(mac, 0x0811, 0x000c);
BWN_PHY_SETMASK(mac, 0x0812, 0xfff3, 0x0004);
BWN_PHY_MASK(mac, 0x0802, ~(0x1 | 0x2));
if (phy->rev >= 6) {
for (i = 0; i < SAVE_PHY6_MAX; ++i)
save_phy6[i] = BWN_PHY_READ(mac, save_phy6_regs[i]);
BWN_PHY_WRITE(mac, 0x002e, 0);
BWN_PHY_WRITE(mac, 0x002f, 0);
BWN_PHY_WRITE(mac, 0x080f, 0);
BWN_PHY_WRITE(mac, 0x0810, 0);
BWN_PHY_SET(mac, 0x0478, 0x0100);
BWN_PHY_SET(mac, 0x0801, 0x0040);
BWN_PHY_SET(mac, 0x0060, 0x0040);
BWN_PHY_SET(mac, 0x0014, 0x0200);
}
BWN_RF_SET(mac, 0x007a, 0x0070);
BWN_RF_SET(mac, 0x007a, 0x0080);
DELAY(30);
nrssi = (int16_t) ((BWN_PHY_READ(mac, 0x047f) >> 8) & 0x003f);
if (nrssi >= 0x20)
nrssi -= 0x40;
if (nrssi == 31) {
for (i = 7; i >= 4; i--) {
BWN_RF_WRITE(mac, 0x007b, i);
DELAY(20);
nrssi = (int16_t) ((BWN_PHY_READ(mac, 0x047f) >> 8) &
0x003f);
if (nrssi >= 0x20)
nrssi -= 0x40;
if (nrssi < 31 && saved == 0xffff)
saved = i;
}
if (saved == 0xffff)
saved = 4;
} else {
BWN_RF_MASK(mac, 0x007a, 0x007f);
if (phy->rev != 1) {
BWN_PHY_SET(mac, 0x0814, 0x0001);
BWN_PHY_MASK(mac, 0x0815, 0xfffe);
}
BWN_PHY_SET(mac, 0x0811, 0x000c);
BWN_PHY_SET(mac, 0x0812, 0x000c);
BWN_PHY_SET(mac, 0x0811, 0x0030);
BWN_PHY_SET(mac, 0x0812, 0x0030);
BWN_PHY_WRITE(mac, 0x005a, 0x0480);
BWN_PHY_WRITE(mac, 0x0059, 0x0810);
BWN_PHY_WRITE(mac, 0x0058, 0x000d);
if (phy->rev == 0)
BWN_PHY_WRITE(mac, 0x0003, 0x0122);
else
BWN_PHY_SET(mac, 0x000a, 0x2000);
if (phy->rev != 1) {
BWN_PHY_SET(mac, 0x0814, 0x0004);
BWN_PHY_MASK(mac, 0x0815, 0xfffb);
}
BWN_PHY_SETMASK(mac, 0x0003, 0xff9f, 0x0040);
BWN_RF_SET(mac, 0x007a, 0x000f);
bwn_set_all_gains(mac, 3, 0, 1);
BWN_RF_SETMASK(mac, 0x0043, 0x00f0, 0x000f);
DELAY(30);
nrssi = (int16_t) ((BWN_PHY_READ(mac, 0x047f) >> 8) & 0x003f);
if (nrssi >= 0x20)
nrssi -= 0x40;
if (nrssi == -32) {
for (i = 0; i < 4; i++) {
BWN_RF_WRITE(mac, 0x007b, i);
DELAY(20);
nrssi = (int16_t)((BWN_PHY_READ(mac,
0x047f) >> 8) & 0x003f);
if (nrssi >= 0x20)
nrssi -= 0x40;
if (nrssi > -31 && saved == 0xffff)
saved = i;
}
if (saved == 0xffff)
saved = 3;
} else
saved = 0;
}
BWN_RF_WRITE(mac, 0x007b, saved);
/*
* Restore saved RF/PHY registers
*/
if (phy->rev >= 6) {
for (phy6_idx = 0; phy6_idx < 4; ++phy6_idx) {
BWN_PHY_WRITE(mac, save_phy6_regs[phy6_idx],
save_phy6[phy6_idx]);
}
}
if (phy->rev != 1) {
for (i = 3; i < 5; i++)
BWN_PHY_WRITE(mac, save_phy_comm_regs[i],
save_phy_comm[i]);
}
for (i = 5; i < SAVE_PHY_COMM_MAX; i++)
BWN_PHY_WRITE(mac, save_phy_comm_regs[i], save_phy_comm[i]);
for (i = SAVE_RF_MAX - 1; i >= 0; --i)
BWN_RF_WRITE(mac, save_rf_regs[i], save_rf[i]);
BWN_PHY_WRITE(mac, 0x0802, BWN_PHY_READ(mac, 0x0802) | 0x1 | 0x2);
BWN_PHY_SET(mac, 0x0429, 0x8000);
bwn_set_original_gains(mac);
if (phy->rev >= 6) {
for (; phy6_idx < SAVE_PHY6_MAX; ++phy6_idx) {
BWN_PHY_WRITE(mac, save_phy6_regs[phy6_idx],
save_phy6[phy6_idx]);
}
}
BWN_PHY_WRITE(mac, save_phy_comm_regs[0], save_phy_comm[0]);
BWN_PHY_WRITE(mac, save_phy_comm_regs[2], save_phy_comm[2]);
BWN_PHY_WRITE(mac, save_phy_comm_regs[1], save_phy_comm[1]);
}
static void
bwn_set_all_gains(struct bwn_mac *mac, int16_t first, int16_t second,
int16_t third)
{
struct bwn_phy *phy = &mac->mac_phy;
uint16_t i;
uint16_t start = 0x08, end = 0x18;
uint16_t tmp;
uint16_t table;
if (phy->rev <= 1) {
start = 0x10;
end = 0x20;
}
table = BWN_OFDMTAB_GAINX;
if (phy->rev <= 1)
table = BWN_OFDMTAB_GAINX_R1;
for (i = 0; i < 4; i++)
bwn_ofdmtab_write_2(mac, table, i, first);
for (i = start; i < end; i++)
bwn_ofdmtab_write_2(mac, table, i, second);
if (third != -1) {
tmp = ((uint16_t) third << 14) | ((uint16_t) third << 6);
BWN_PHY_SETMASK(mac, 0x04a0, 0xbfbf, tmp);
BWN_PHY_SETMASK(mac, 0x04a1, 0xbfbf, tmp);
BWN_PHY_SETMASK(mac, 0x04a2, 0xbfbf, tmp);
}
bwn_dummy_transmission(mac, 0, 1);
}
static void
bwn_set_original_gains(struct bwn_mac *mac)
{
struct bwn_phy *phy = &mac->mac_phy;
uint16_t i, tmp;
uint16_t table;
uint16_t start = 0x0008, end = 0x0018;
if (phy->rev <= 1) {
start = 0x0010;
end = 0x0020;
}
table = BWN_OFDMTAB_GAINX;
if (phy->rev <= 1)
table = BWN_OFDMTAB_GAINX_R1;
for (i = 0; i < 4; i++) {
tmp = (i & 0xfffc);
tmp |= (i & 0x0001) << 1;
tmp |= (i & 0x0002) >> 1;
bwn_ofdmtab_write_2(mac, table, i, tmp);
}
for (i = start; i < end; i++)
bwn_ofdmtab_write_2(mac, table, i, i - start);
BWN_PHY_SETMASK(mac, 0x04a0, 0xbfbf, 0x4040);
BWN_PHY_SETMASK(mac, 0x04a1, 0xbfbf, 0x4040);
BWN_PHY_SETMASK(mac, 0x04a2, 0xbfbf, 0x4000);
bwn_dummy_transmission(mac, 0, 1);
}
static void
bwn_phy_hwpctl_init(struct bwn_mac *mac)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
struct bwn_rfatt old_rfatt, rfatt;
struct bwn_bbatt old_bbatt, bbatt;
struct bwn_softc *sc = mac->mac_sc;
uint8_t old_txctl = 0;
KASSERT(phy->type == BWN_PHYTYPE_G,
("%s:%d: fail", __func__, __LINE__));
if ((sc->sc_board_info.board_vendor == PCI_VENDOR_BROADCOM) &&
(sc->sc_board_info.board_type == BHND_BOARD_BU4306))
return;
BWN_PHY_WRITE(mac, 0x0028, 0x8018);
BWN_WRITE_2(mac, BWN_PHY0, BWN_READ_2(mac, BWN_PHY0) & 0xffdf);
if (!phy->gmode)
return;
bwn_hwpctl_early_init(mac);
if (pg->pg_curtssi == 0) {
if (phy->rf_ver == 0x2050 && phy->analog == 0) {
BWN_RF_SETMASK(mac, 0x0076, 0x00f7, 0x0084);
} else {
memcpy(&old_rfatt, &pg->pg_rfatt, sizeof(old_rfatt));
memcpy(&old_bbatt, &pg->pg_bbatt, sizeof(old_bbatt));
old_txctl = pg->pg_txctl;
bbatt.att = 11;
if (phy->rf_rev == 8) {
rfatt.att = 15;
rfatt.padmix = 1;
} else {
rfatt.att = 9;
rfatt.padmix = 0;
}
bwn_phy_g_set_txpwr_sub(mac, &bbatt, &rfatt, 0);
}
bwn_dummy_transmission(mac, 0, 1);
pg->pg_curtssi = BWN_PHY_READ(mac, BWN_PHY_TSSI);
if (phy->rf_ver == 0x2050 && phy->analog == 0)
BWN_RF_MASK(mac, 0x0076, 0xff7b);
else
bwn_phy_g_set_txpwr_sub(mac, &old_bbatt,
&old_rfatt, old_txctl);
}
bwn_hwpctl_init_gphy(mac);
/* clear TSSI */
bwn_shm_write_2(mac, BWN_SHARED, 0x0058, 0x7f7f);
bwn_shm_write_2(mac, BWN_SHARED, 0x005a, 0x7f7f);
bwn_shm_write_2(mac, BWN_SHARED, 0x0070, 0x7f7f);
bwn_shm_write_2(mac, BWN_SHARED, 0x0072, 0x7f7f);
}
static void
bwn_hwpctl_early_init(struct bwn_mac *mac)
{
struct bwn_phy *phy = &mac->mac_phy;
if (!bwn_has_hwpctl(mac)) {
BWN_PHY_WRITE(mac, 0x047a, 0xc111);
return;
}
BWN_PHY_MASK(mac, 0x0036, 0xfeff);
BWN_PHY_WRITE(mac, 0x002f, 0x0202);
BWN_PHY_SET(mac, 0x047c, 0x0002);
BWN_PHY_SET(mac, 0x047a, 0xf000);
if (phy->rf_ver == 0x2050 && phy->rf_rev == 8) {
BWN_PHY_SETMASK(mac, 0x047a, 0xff0f, 0x0010);
BWN_PHY_SET(mac, 0x005d, 0x8000);
BWN_PHY_SETMASK(mac, 0x004e, 0xffc0, 0x0010);
BWN_PHY_WRITE(mac, 0x002e, 0xc07f);
BWN_PHY_SET(mac, 0x0036, 0x0400);
} else {
BWN_PHY_SET(mac, 0x0036, 0x0200);
BWN_PHY_SET(mac, 0x0036, 0x0400);
BWN_PHY_MASK(mac, 0x005d, 0x7fff);
BWN_PHY_MASK(mac, 0x004f, 0xfffe);
BWN_PHY_SETMASK(mac, 0x004e, 0xffc0, 0x0010);
BWN_PHY_WRITE(mac, 0x002e, 0xc07f);
BWN_PHY_SETMASK(mac, 0x047a, 0xff0f, 0x0010);
}
}
static void
bwn_hwpctl_init_gphy(struct bwn_mac *mac)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
struct bwn_txpwr_loctl *lo = &pg->pg_loctl;
int i;
uint16_t nr_written = 0, tmp, value;
uint8_t rf, bb;
if (!bwn_has_hwpctl(mac)) {
bwn_hf_write(mac, bwn_hf_read(mac) & ~BWN_HF_HW_POWERCTL);
return;
}
BWN_PHY_SETMASK(mac, 0x0036, 0xffc0,
(pg->pg_idletssi - pg->pg_curtssi));
BWN_PHY_SETMASK(mac, 0x0478, 0xff00,
(pg->pg_idletssi - pg->pg_curtssi));
for (i = 0; i < 32; i++)
bwn_ofdmtab_write_2(mac, 0x3c20, i, pg->pg_tssi2dbm[i]);
for (i = 32; i < 64; i++)
bwn_ofdmtab_write_2(mac, 0x3c00, i - 32, pg->pg_tssi2dbm[i]);
for (i = 0; i < 64; i += 2) {
value = (uint16_t) pg->pg_tssi2dbm[i];
value |= ((uint16_t) pg->pg_tssi2dbm[i + 1]) << 8;
BWN_PHY_WRITE(mac, 0x380 + (i / 2), value);
}
for (rf = 0; rf < lo->rfatt.len; rf++) {
for (bb = 0; bb < lo->bbatt.len; bb++) {
if (nr_written >= 0x40)
return;
tmp = lo->bbatt.array[bb].att;
tmp <<= 8;
if (phy->rf_rev == 8)
tmp |= 0x50;
else
tmp |= 0x40;
tmp |= lo->rfatt.array[rf].att;
BWN_PHY_WRITE(mac, 0x3c0 + nr_written, tmp);
nr_written++;
}
}
BWN_PHY_MASK(mac, 0x0060, 0xffbf);
BWN_PHY_WRITE(mac, 0x0014, 0x0000);
KASSERT(phy->rev >= 6, ("%s:%d: fail", __func__, __LINE__));
BWN_PHY_SET(mac, 0x0478, 0x0800);
BWN_PHY_MASK(mac, 0x0478, 0xfeff);
BWN_PHY_MASK(mac, 0x0801, 0xffbf);
bwn_phy_g_dc_lookup_init(mac, 1);
bwn_hf_write(mac, bwn_hf_read(mac) | BWN_HF_HW_POWERCTL);
}
static void
bwn_phy_g_switch_chan(struct bwn_mac *mac, int channel, uint8_t spu)
{
struct bwn_softc *sc = mac->mac_sc;
int error;
if (spu != 0)
bwn_spu_workaround(mac, channel);
BWN_WRITE_2(mac, BWN_CHANNEL, bwn_phy_g_chan2freq(channel));
if (channel == 14) {
uint8_t cc;
error = bhnd_nvram_getvar_uint8(sc->sc_dev, BHND_NVAR_CC, &cc);
if (error) {
device_printf(sc->sc_dev, "error reading country code "
"from NVRAM, assuming channel 14 unavailable: %d\n",
error);
cc = BWN_SPROM1_CC_WORLDWIDE;
}
if (cc == BWN_SPROM1_CC_JP)
bwn_hf_write(mac,
bwn_hf_read(mac) & ~BWN_HF_JAPAN_CHAN14_OFF);
else
bwn_hf_write(mac,
bwn_hf_read(mac) | BWN_HF_JAPAN_CHAN14_OFF);
BWN_WRITE_2(mac, BWN_CHANNEL_EXT,
BWN_READ_2(mac, BWN_CHANNEL_EXT) | (1 << 11));
return;
}
BWN_WRITE_2(mac, BWN_CHANNEL_EXT,
BWN_READ_2(mac, BWN_CHANNEL_EXT) & 0xf7bf);
}
static uint16_t
bwn_phy_g_chan2freq(uint8_t channel)
{
static const uint8_t bwn_phy_g_rf_channels[] = BWN_PHY_G_RF_CHANNELS;
KASSERT(channel >= 1 && channel <= 14,
("%s:%d: fail", __func__, __LINE__));
return (bwn_phy_g_rf_channels[channel - 1]);
}
static void
bwn_phy_g_set_txpwr_sub(struct bwn_mac *mac, const struct bwn_bbatt *bbatt,
const struct bwn_rfatt *rfatt, uint8_t txctl)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
struct bwn_txpwr_loctl *lo = &pg->pg_loctl;
uint16_t bb, rf;
uint16_t tx_bias, tx_magn;
bb = bbatt->att;
rf = rfatt->att;
tx_bias = lo->tx_bias;
tx_magn = lo->tx_magn;
if (tx_bias == 0xff)
tx_bias = 0;
pg->pg_txctl = txctl;
memmove(&pg->pg_rfatt, rfatt, sizeof(*rfatt));
pg->pg_rfatt.padmix = (txctl & BWN_TXCTL_TXMIX) ? 1 : 0;
memmove(&pg->pg_bbatt, bbatt, sizeof(*bbatt));
bwn_phy_g_set_bbatt(mac, bb);
bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_RADIO_ATT, rf);
if (phy->rf_ver == 0x2050 && phy->rf_rev == 8)
BWN_RF_WRITE(mac, 0x43, (rf & 0x000f) | (txctl & 0x0070));
else {
BWN_RF_SETMASK(mac, 0x43, 0xfff0, (rf & 0x000f));
BWN_RF_SETMASK(mac, 0x52, ~0x0070, (txctl & 0x0070));
}
if (BWN_HAS_TXMAG(phy))
BWN_RF_WRITE(mac, 0x52, tx_magn | tx_bias);
else
BWN_RF_SETMASK(mac, 0x52, 0xfff0, (tx_bias & 0x000f));
bwn_lo_g_adjust(mac);
}
static void
bwn_phy_g_set_bbatt(struct bwn_mac *mac,
uint16_t bbatt)
{
struct bwn_phy *phy = &mac->mac_phy;
if (phy->analog == 0) {
BWN_WRITE_2(mac, BWN_PHY0,
(BWN_READ_2(mac, BWN_PHY0) & 0xfff0) | bbatt);
return;
}
if (phy->analog > 1) {
BWN_PHY_SETMASK(mac, BWN_PHY_DACCTL, 0xffc3, bbatt << 2);
return;
}
BWN_PHY_SETMASK(mac, BWN_PHY_DACCTL, 0xff87, bbatt << 3);
}
static uint16_t
bwn_rf_2050_rfoverval(struct bwn_mac *mac, uint16_t reg, uint32_t lpd)
{
struct bwn_phy *phy = &mac->mac_phy;
struct bwn_phy_g *pg = &phy->phy_g;
struct bwn_softc *sc = mac->mac_sc;
int max_lb_gain;
uint16_t extlna;
uint16_t i;
if (phy->gmode == 0)
return (0);
if (BWN_HAS_LOOPBACK(phy)) {
max_lb_gain = pg->pg_max_lb_gain;
max_lb_gain += (phy->rf_rev == 8) ? 0x3e : 0x26;
if (max_lb_gain >= 0x46) {
extlna = 0x3000;
max_lb_gain -= 0x46;
} else if (max_lb_gain >= 0x3a) {
extlna = 0x1000;
max_lb_gain -= 0x3a;
} else if (max_lb_gain >= 0x2e) {
extlna = 0x2000;
max_lb_gain -= 0x2e;
} else {
extlna = 0;
max_lb_gain -= 0x10;
}
for (i = 0; i < 16; i++) {
max_lb_gain -= (i * 6);
if (max_lb_gain < 6)
break;
}
if ((phy->rev < 7) ||
!(sc->sc_board_info.board_flags & BHND_BFL_EXTLNA)) {
if (reg == BWN_PHY_RFOVER) {
return (0x1b3);
} else if (reg == BWN_PHY_RFOVERVAL) {
extlna |= (i << 8);
switch (lpd) {
case BWN_LPD(0, 1, 1):
return (0x0f92);
case BWN_LPD(0, 0, 1):
case BWN_LPD(1, 0, 1):
return (0x0092 | extlna);
case BWN_LPD(1, 0, 0):
return (0x0093 | extlna);
}
KASSERT(0 == 1,
("%s:%d: fail", __func__, __LINE__));
}
KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__));
} else {
if (reg == BWN_PHY_RFOVER)
return (0x9b3);
if (reg == BWN_PHY_RFOVERVAL) {
if (extlna)
extlna |= 0x8000;
extlna |= (i << 8);
switch (lpd) {
case BWN_LPD(0, 1, 1):
return (0x8f92);
case BWN_LPD(0, 0, 1):
return (0x8092 | extlna);
case BWN_LPD(1, 0, 1):
return (0x2092 | extlna);
case BWN_LPD(1, 0, 0):
return (0x2093 | extlna);
}
KASSERT(0 == 1,
("%s:%d: fail", __func__, __LINE__));
}
KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__));
}
return (0);
}
if ((phy->rev < 7) ||
!(sc->sc_board_info.board_flags & BHND_BFL_EXTLNA)) {
if (reg == BWN_PHY_RFOVER) {
return (0x1b3);
} else if (reg == BWN_PHY_RFOVERVAL) {
switch (lpd) {
case BWN_LPD(0, 1, 1):
return (0x0fb2);
case BWN_LPD(0, 0, 1):
return (0x00b2);
case BWN_LPD(1, 0, 1):
return (0x30b2);
case BWN_LPD(1, 0, 0):
return (0x30b3);
}
KASSERT(0 == 1,
("%s:%d: fail", __func__, __LINE__));
}
KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__));
} else {
if (reg == BWN_PHY_RFOVER) {
return (0x9b3);
} else if (reg == BWN_PHY_RFOVERVAL) {
switch (lpd) {
case BWN_LPD(0, 1, 1):
return (0x8fb2);
case BWN_LPD(0, 0, 1):
return (0x80b2);
case BWN_LPD(1, 0, 1):
return (0x20b2);
case BWN_LPD(1, 0, 0):
return (0x20b3);
}
KASSERT(0 == 1,
("%s:%d: fail", __func__, __LINE__));
}
KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__));
}
return (0);
}
static void
bwn_spu_workaround(struct bwn_mac *mac, uint8_t channel)
{
if (mac->mac_phy.rf_ver != 0x2050 || mac->mac_phy.rf_rev >= 6)
return;
BWN_WRITE_2(mac, BWN_CHANNEL, (channel <= 10) ?
bwn_phy_g_chan2freq(channel + 4) : bwn_phy_g_chan2freq(1));
DELAY(1000);
BWN_WRITE_2(mac, BWN_CHANNEL, bwn_phy_g_chan2freq(channel));
}
static int
bwn_phy_shm_tssi_read(struct bwn_mac *mac, uint16_t shm_offset)
{
const uint8_t ofdm = (shm_offset != BWN_SHARED_TSSI_CCK);
unsigned int a, b, c, d;
unsigned int avg;
uint32_t tmp;
tmp = bwn_shm_read_4(mac, BWN_SHARED, shm_offset);
a = tmp & 0xff;
b = (tmp >> 8) & 0xff;
c = (tmp >> 16) & 0xff;
d = (tmp >> 24) & 0xff;
if (a == 0 || a == BWN_TSSI_MAX || b == 0 || b == BWN_TSSI_MAX ||
c == 0 || c == BWN_TSSI_MAX || d == 0 || d == BWN_TSSI_MAX)
return (ENOENT);
bwn_shm_write_4(mac, BWN_SHARED, shm_offset,
BWN_TSSI_MAX | (BWN_TSSI_MAX << 8) |
(BWN_TSSI_MAX << 16) | (BWN_TSSI_MAX << 24));
if (ofdm) {
a = (a + 32) & 0x3f;
b = (b + 32) & 0x3f;
c = (c + 32) & 0x3f;
d = (d + 32) & 0x3f;
}
avg = (a + b + c + d + 2) / 4;
if (ofdm) {
if (bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_HFLO)
& BWN_HF_4DB_CCK_POWERBOOST)
avg = (avg >= 13) ? (avg - 13) : 0;
}
return (avg);
}
static void
bwn_phy_g_setatt(struct bwn_mac *mac, int *bbattp, int *rfattp)
{
struct bwn_txpwr_loctl *lo = &mac->mac_phy.phy_g.pg_loctl;
int rfatt = *rfattp;
int bbatt = *bbattp;
while (1) {
if (rfatt > lo->rfatt.max && bbatt > lo->bbatt.max - 4)
break;
if (rfatt < lo->rfatt.min && bbatt < lo->bbatt.min + 4)
break;
if (bbatt > lo->bbatt.max && rfatt > lo->rfatt.max - 1)
break;
if (bbatt < lo->bbatt.min && rfatt < lo->rfatt.min + 1)
break;
if (bbatt > lo->bbatt.max) {
bbatt -= 4;
rfatt += 1;
continue;
}
if (bbatt < lo->bbatt.min) {
bbatt += 4;
rfatt -= 1;
continue;
}
if (rfatt > lo->rfatt.max) {
rfatt -= 1;
bbatt += 4;
continue;
}
if (rfatt < lo->rfatt.min) {
rfatt += 1;
bbatt -= 4;
continue;
}
break;
}
*rfattp = MIN(MAX(rfatt, lo->rfatt.min), lo->rfatt.max);
*bbattp = MIN(MAX(bbatt, lo->bbatt.min), lo->bbatt.max);
}
static void
bwn_phy_lock(struct bwn_mac *mac)
{
struct bwn_softc *sc = mac->mac_sc;
struct ieee80211com *ic = &sc->sc_ic;
KASSERT(bhnd_get_hwrev(sc->sc_dev) >= 3,
("%s: unsupported rev %d", __func__, bhnd_get_hwrev(sc->sc_dev)));
if (ic->ic_opmode != IEEE80211_M_HOSTAP)
bwn_psctl(mac, BWN_PS_AWAKE);
}
static void
bwn_phy_unlock(struct bwn_mac *mac)
{
struct bwn_softc *sc = mac->mac_sc;
struct ieee80211com *ic = &sc->sc_ic;
KASSERT(bhnd_get_hwrev(sc->sc_dev) >= 3,
("%s: unsupported rev %d", __func__, bhnd_get_hwrev(sc->sc_dev)));
if (ic->ic_opmode != IEEE80211_M_HOSTAP)
bwn_psctl(mac, 0);
}
static void
bwn_rf_lock(struct bwn_mac *mac)
{
BWN_WRITE_4(mac, BWN_MACCTL,
BWN_READ_4(mac, BWN_MACCTL) | BWN_MACCTL_RADIO_LOCK);
BWN_READ_4(mac, BWN_MACCTL);
DELAY(10);
}
static void
bwn_rf_unlock(struct bwn_mac *mac)
{
BWN_READ_2(mac, BWN_PHYVER);
BWN_WRITE_4(mac, BWN_MACCTL,
BWN_READ_4(mac, BWN_MACCTL) & ~BWN_MACCTL_RADIO_LOCK);
}