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freebsd/sys/dev/bwi/bwiphy.c
Warner Losh f4fcd5ddec Remove unnecessary comments. 11A read/write is the same: its just the 
classic indirect register dance.

Submitted by:	ddkprog at yahoo not com
2009-05-18 15:46:34 +00:00

1022 lines
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/*
* Copyright (c) 2007 The DragonFly Project. All rights reserved.
*
* This code is derived from software contributed to The DragonFly Project
* by Sepherosa Ziehau <sepherosa@gmail.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name of The DragonFly Project nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific, prior written permission.
*
* 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 MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $DragonFly: src/sys/dev/netif/bwi/bwiphy.c,v 1.5 2008/01/15 09:01:13 sephe Exp $
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "opt_inet.h"
#include <sys/param.h>
#include <sys/endian.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/malloc.h>
#include <sys/proc.h>
#include <sys/rman.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/sysctl.h>
#include <sys/systm.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#include <net/if_types.h>
#include <net/if_arp.h>
#include <net/ethernet.h>
#include <net/if_llc.h>
#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_radiotap.h>
#include <net80211/ieee80211_amrr.h>
#include <machine/bus.h>
#include <dev/bwi/bitops.h>
#include <dev/bwi/if_bwireg.h>
#include <dev/bwi/if_bwivar.h>
#include <dev/bwi/bwimac.h>
#include <dev/bwi/bwirf.h>
#include <dev/bwi/bwiphy.h>
static void bwi_phy_init_11a(struct bwi_mac *);
static void bwi_phy_init_11g(struct bwi_mac *);
static void bwi_phy_init_11b_rev2(struct bwi_mac *);
static void bwi_phy_init_11b_rev4(struct bwi_mac *);
static void bwi_phy_init_11b_rev5(struct bwi_mac *);
static void bwi_phy_init_11b_rev6(struct bwi_mac *);
static void bwi_phy_config_11g(struct bwi_mac *);
static void bwi_phy_config_agc(struct bwi_mac *);
static void bwi_tbl_write_2(struct bwi_mac *mac, uint16_t, uint16_t);
static void bwi_tbl_write_4(struct bwi_mac *mac, uint16_t, uint32_t);
#define SUP_BPHY(num) { .rev = num, .init = bwi_phy_init_11b_rev##num }
static const struct {
uint8_t rev;
void (*init)(struct bwi_mac *);
} bwi_sup_bphy[] = {
SUP_BPHY(2),
SUP_BPHY(4),
SUP_BPHY(5),
SUP_BPHY(6)
};
#undef SUP_BPHY
#define BWI_PHYTBL_WRSSI 0x1000
#define BWI_PHYTBL_NOISE_SCALE 0x1400
#define BWI_PHYTBL_NOISE 0x1800
#define BWI_PHYTBL_ROTOR 0x2000
#define BWI_PHYTBL_DELAY 0x2400
#define BWI_PHYTBL_RSSI 0x4000
#define BWI_PHYTBL_SIGMA_SQ 0x5000
#define BWI_PHYTBL_WRSSI_REV1 0x5400
#define BWI_PHYTBL_FREQ 0x5800
static const uint16_t bwi_phy_freq_11g_rev1[] =
{ BWI_PHY_FREQ_11G_REV1 };
static const uint16_t bwi_phy_noise_11g_rev1[] =
{ BWI_PHY_NOISE_11G_REV1 };
static const uint16_t bwi_phy_noise_11g[] =
{ BWI_PHY_NOISE_11G };
static const uint32_t bwi_phy_rotor_11g_rev1[] =
{ BWI_PHY_ROTOR_11G_REV1 };
static const uint16_t bwi_phy_noise_scale_11g_rev2[] =
{ BWI_PHY_NOISE_SCALE_11G_REV2 };
static const uint16_t bwi_phy_noise_scale_11g_rev7[] =
{ BWI_PHY_NOISE_SCALE_11G_REV7 };
static const uint16_t bwi_phy_noise_scale_11g[] =
{ BWI_PHY_NOISE_SCALE_11G };
static const uint16_t bwi_phy_sigma_sq_11g_rev2[] =
{ BWI_PHY_SIGMA_SQ_11G_REV2 };
static const uint16_t bwi_phy_sigma_sq_11g_rev7[] =
{ BWI_PHY_SIGMA_SQ_11G_REV7 };
static const uint32_t bwi_phy_delay_11g_rev1[] =
{ BWI_PHY_DELAY_11G_REV1 };
void
bwi_phy_write(struct bwi_mac *mac, uint16_t ctrl, uint16_t data)
{
struct bwi_softc *sc = mac->mac_sc;
CSR_WRITE_2(sc, BWI_PHY_CTRL, ctrl);
CSR_WRITE_2(sc, BWI_PHY_DATA, data);
}
uint16_t
bwi_phy_read(struct bwi_mac *mac, uint16_t ctrl)
{
struct bwi_softc *sc = mac->mac_sc;
CSR_WRITE_2(sc, BWI_PHY_CTRL, ctrl);
return CSR_READ_2(sc, BWI_PHY_DATA);
}
int
bwi_phy_attach(struct bwi_mac *mac)
{
struct bwi_softc *sc = mac->mac_sc;
struct bwi_phy *phy = &mac->mac_phy;
uint8_t phyrev, phytype, phyver;
uint16_t val;
int i;
/* Get PHY type/revision/version */
val = CSR_READ_2(sc, BWI_PHYINFO);
phyrev = __SHIFTOUT(val, BWI_PHYINFO_REV_MASK);
phytype = __SHIFTOUT(val, BWI_PHYINFO_TYPE_MASK);
phyver = __SHIFTOUT(val, BWI_PHYINFO_VER_MASK);
device_printf(sc->sc_dev, "PHY: type %d, rev %d, ver %d\n",
phytype, phyrev, phyver);
/*
* Verify whether the revision of the PHY type is supported
* Convert PHY type to ieee80211_phymode
*/
switch (phytype) {
case BWI_PHYINFO_TYPE_11A:
if (phyrev >= 4) {
device_printf(sc->sc_dev, "unsupported 11A PHY, "
"rev %u\n", phyrev);
return ENXIO;
}
phy->phy_init = bwi_phy_init_11a;
phy->phy_mode = IEEE80211_MODE_11A;
phy->phy_tbl_ctrl = BWI_PHYR_TBL_CTRL_11A;
phy->phy_tbl_data_lo = BWI_PHYR_TBL_DATA_LO_11A;
phy->phy_tbl_data_hi = BWI_PHYR_TBL_DATA_HI_11A;
break;
case BWI_PHYINFO_TYPE_11B:
#define N(arr) (int)(sizeof(arr) / sizeof(arr[0]))
for (i = 0; i < N(bwi_sup_bphy); ++i) {
if (phyrev == bwi_sup_bphy[i].rev) {
phy->phy_init = bwi_sup_bphy[i].init;
break;
}
}
if (i == N(bwi_sup_bphy)) {
device_printf(sc->sc_dev, "unsupported 11B PHY, "
"rev %u\n", phyrev);
return ENXIO;
}
#undef N
phy->phy_mode = IEEE80211_MODE_11B;
break;
case BWI_PHYINFO_TYPE_11G:
if (phyrev > 8) {
device_printf(sc->sc_dev, "unsupported 11G PHY, "
"rev %u\n", phyrev);
return ENXIO;
}
phy->phy_init = bwi_phy_init_11g;
phy->phy_mode = IEEE80211_MODE_11G;
phy->phy_tbl_ctrl = BWI_PHYR_TBL_CTRL_11G;
phy->phy_tbl_data_lo = BWI_PHYR_TBL_DATA_LO_11G;
phy->phy_tbl_data_hi = BWI_PHYR_TBL_DATA_HI_11G;
break;
default:
device_printf(sc->sc_dev, "unsupported PHY type %d\n",
phytype);
return ENXIO;
}
phy->phy_rev = phyrev;
phy->phy_version = phyver;
return 0;
}
void
bwi_phy_set_bbp_atten(struct bwi_mac *mac, uint16_t bbp_atten)
{
struct bwi_phy *phy = &mac->mac_phy;
uint16_t mask = __BITS(3, 0);
if (phy->phy_version == 0) {
CSR_FILT_SETBITS_2(mac->mac_sc, BWI_BBP_ATTEN, ~mask,
__SHIFTIN(bbp_atten, mask));
} else {
if (phy->phy_version > 1)
mask <<= 2;
else
mask <<= 3;
PHY_FILT_SETBITS(mac, BWI_PHYR_BBP_ATTEN, ~mask,
__SHIFTIN(bbp_atten, mask));
}
}
int
bwi_phy_calibrate(struct bwi_mac *mac)
{
struct bwi_phy *phy = &mac->mac_phy;
/* Dummy read */
CSR_READ_4(mac->mac_sc, BWI_MAC_STATUS);
/* Don't re-init */
if (phy->phy_flags & BWI_PHY_F_CALIBRATED)
return 0;
if (phy->phy_mode == IEEE80211_MODE_11G && phy->phy_rev == 1) {
bwi_mac_reset(mac, 0);
bwi_phy_init_11g(mac);
bwi_mac_reset(mac, 1);
}
phy->phy_flags |= BWI_PHY_F_CALIBRATED;
return 0;
}
static void
bwi_tbl_write_2(struct bwi_mac *mac, uint16_t ofs, uint16_t data)
{
struct bwi_phy *phy = &mac->mac_phy;
KASSERT(phy->phy_tbl_ctrl != 0 && phy->phy_tbl_data_lo != 0,
("phy_tbl_ctrl %d phy_tbl_data_lo %d",
phy->phy_tbl_ctrl, phy->phy_tbl_data_lo));
PHY_WRITE(mac, phy->phy_tbl_ctrl, ofs);
PHY_WRITE(mac, phy->phy_tbl_data_lo, data);
}
static void
bwi_tbl_write_4(struct bwi_mac *mac, uint16_t ofs, uint32_t data)
{
struct bwi_phy *phy = &mac->mac_phy;
KASSERT(phy->phy_tbl_data_lo != 0 && phy->phy_tbl_data_hi != 0 &&
phy->phy_tbl_ctrl != 0,
("phy_tbl_data_lo %d phy_tbl_data_hi %d phy_tbl_ctrl %d",
phy->phy_tbl_data_lo, phy->phy_tbl_data_hi, phy->phy_tbl_ctrl));
PHY_WRITE(mac, phy->phy_tbl_ctrl, ofs);
PHY_WRITE(mac, phy->phy_tbl_data_hi, data >> 16);
PHY_WRITE(mac, phy->phy_tbl_data_lo, data & 0xffff);
}
void
bwi_nrssi_write(struct bwi_mac *mac, uint16_t ofs, int16_t data)
{
PHY_WRITE(mac, BWI_PHYR_NRSSI_CTRL, ofs);
PHY_WRITE(mac, BWI_PHYR_NRSSI_DATA, (uint16_t)data);
}
int16_t
bwi_nrssi_read(struct bwi_mac *mac, uint16_t ofs)
{
PHY_WRITE(mac, BWI_PHYR_NRSSI_CTRL, ofs);
return (int16_t)PHY_READ(mac, BWI_PHYR_NRSSI_DATA);
}
static void
bwi_phy_init_11a(struct bwi_mac *mac)
{
/* TODO:11A */
}
static void
bwi_phy_init_11g(struct bwi_mac *mac)
{
struct bwi_softc *sc = mac->mac_sc;
struct bwi_phy *phy = &mac->mac_phy;
struct bwi_rf *rf = &mac->mac_rf;
const struct bwi_tpctl *tpctl = &mac->mac_tpctl;
if (phy->phy_rev == 1)
bwi_phy_init_11b_rev5(mac);
else
bwi_phy_init_11b_rev6(mac);
if (phy->phy_rev >= 2 || (phy->phy_flags & BWI_PHY_F_LINKED))
bwi_phy_config_11g(mac);
if (phy->phy_rev >= 2) {
PHY_WRITE(mac, 0x814, 0);
PHY_WRITE(mac, 0x815, 0);
if (phy->phy_rev == 2) {
PHY_WRITE(mac, 0x811, 0);
PHY_WRITE(mac, 0x15, 0xc0);
} else if (phy->phy_rev > 5) {
PHY_WRITE(mac, 0x811, 0x400);
PHY_WRITE(mac, 0x15, 0xc0);
}
}
if (phy->phy_rev >= 2 || (phy->phy_flags & BWI_PHY_F_LINKED)) {
uint16_t val;
val = PHY_READ(mac, 0x400) & 0xff;
if (val == 3 || val == 5) {
PHY_WRITE(mac, 0x4c2, 0x1816);
PHY_WRITE(mac, 0x4c3, 0x8006);
if (val == 5) {
PHY_FILT_SETBITS(mac, 0x4cc,
0xff, 0x1f00);
}
}
}
if ((phy->phy_rev <= 2 && (phy->phy_flags & BWI_PHY_F_LINKED)) ||
phy->phy_rev >= 2)
PHY_WRITE(mac, 0x47e, 0x78);
if (rf->rf_rev == 8) {
PHY_SETBITS(mac, 0x801, 0x80);
PHY_SETBITS(mac, 0x43e, 0x4);
}
if (phy->phy_rev >= 2 && (phy->phy_flags & BWI_PHY_F_LINKED))
bwi_rf_get_gains(mac);
if (rf->rf_rev != 8)
bwi_rf_init(mac);
if (tpctl->tp_ctrl2 == 0xffff) {
bwi_rf_lo_update(mac);
} else {
if (rf->rf_type == BWI_RF_T_BCM2050 && rf->rf_rev == 8) {
RF_WRITE(mac, 0x52,
(tpctl->tp_ctrl1 << 4) | tpctl->tp_ctrl2);
} else {
RF_FILT_SETBITS(mac, 0x52, 0xfff0, tpctl->tp_ctrl2);
}
if (phy->phy_rev >= 6) {
PHY_FILT_SETBITS(mac, 0x36, 0xfff,
tpctl->tp_ctrl2 << 12);
}
if (sc->sc_card_flags & BWI_CARD_F_PA_GPIO9)
PHY_WRITE(mac, 0x2e, 0x8075);
else
PHY_WRITE(mac, 0x2e, 0x807f);
if (phy->phy_rev < 2)
PHY_WRITE(mac, 0x2f, 0x101);
else
PHY_WRITE(mac, 0x2f, 0x202);
}
if ((phy->phy_flags & BWI_PHY_F_LINKED) || phy->phy_rev >= 2) {
bwi_rf_lo_adjust(mac, tpctl);
PHY_WRITE(mac, 0x80f, 0x8078);
}
if ((sc->sc_card_flags & BWI_CARD_F_SW_NRSSI) == 0) {
bwi_rf_init_hw_nrssi_table(mac, 0xffff /* XXX */);
bwi_rf_set_nrssi_thr(mac);
} else if ((phy->phy_flags & BWI_PHY_F_LINKED) || phy->phy_rev >= 2) {
if (rf->rf_nrssi[0] == BWI_INVALID_NRSSI) {
KASSERT(rf->rf_nrssi[1] == BWI_INVALID_NRSSI,
("rf_nrssi[1] %d", rf->rf_nrssi[1]));
bwi_rf_calc_nrssi_slope(mac);
} else {
KASSERT(rf->rf_nrssi[1] != BWI_INVALID_NRSSI,
("rf_nrssi[1] %d", rf->rf_nrssi[1]));
bwi_rf_set_nrssi_thr(mac);
}
}
if (rf->rf_rev == 8)
PHY_WRITE(mac, 0x805, 0x3230);
bwi_mac_init_tpctl_11bg(mac);
if (sc->sc_bbp_id == BWI_BBPID_BCM4306 && sc->sc_bbp_pkg == 2) {
PHY_CLRBITS(mac, 0x429, 0x4000);
PHY_CLRBITS(mac, 0x4c3, 0x8000);
}
}
static void
bwi_phy_init_11b_rev2(struct bwi_mac *mac)
{
/* TODO:11B */
if_printf(mac->mac_sc->sc_ifp,
"%s is not implemented yet\n", __func__);
}
static void
bwi_phy_init_11b_rev4(struct bwi_mac *mac)
{
struct bwi_softc *sc = mac->mac_sc;
struct bwi_rf *rf = &mac->mac_rf;
uint16_t val, ofs;
u_int chan;
CSR_WRITE_2(sc, BWI_BPHY_CTRL, BWI_BPHY_CTRL_INIT);
PHY_WRITE(mac, 0x20, 0x301c);
PHY_WRITE(mac, 0x26, 0);
PHY_WRITE(mac, 0x30, 0xc6);
PHY_WRITE(mac, 0x88, 0x3e00);
for (ofs = 0, val = 0x3c3d; ofs < 30; ++ofs, val -= 0x202)
PHY_WRITE(mac, 0x89 + ofs, val);
CSR_WRITE_2(sc, BWI_PHY_MAGIC_REG1, BWI_PHY_MAGIC_REG1_VAL1);
chan = rf->rf_curchan;
if (chan == IEEE80211_CHAN_ANY)
chan = 6; /* Force to channel 6 */
bwi_rf_set_chan(mac, chan, 0);
if (rf->rf_type != BWI_RF_T_BCM2050) {
RF_WRITE(mac, 0x75, 0x80);
RF_WRITE(mac, 0x79, 0x81);
}
RF_WRITE(mac, 0x50, 0x20);
RF_WRITE(mac, 0x50, 0x23);
if (rf->rf_type == BWI_RF_T_BCM2050) {
RF_WRITE(mac, 0x50, 0x20);
RF_WRITE(mac, 0x5a, 0x70);
RF_WRITE(mac, 0x5b, 0x7b);
RF_WRITE(mac, 0x5c, 0xb0);
RF_WRITE(mac, 0x7a, 0xf);
PHY_WRITE(mac, 0x38, 0x677);
bwi_rf_init_bcm2050(mac);
}
PHY_WRITE(mac, 0x14, 0x80);
PHY_WRITE(mac, 0x32, 0xca);
if (rf->rf_type == BWI_RF_T_BCM2050)
PHY_WRITE(mac, 0x32, 0xe0);
PHY_WRITE(mac, 0x35, 0x7c2);
bwi_rf_lo_update(mac);
PHY_WRITE(mac, 0x26, 0xcc00);
if (rf->rf_type == BWI_RF_T_BCM2050)
PHY_WRITE(mac, 0x26, 0xce00);
CSR_WRITE_2(sc, BWI_RF_CHAN_EX, 0x1100);
PHY_WRITE(mac, 0x2a, 0x88a3);
if (rf->rf_type == BWI_RF_T_BCM2050)
PHY_WRITE(mac, 0x2a, 0x88c2);
bwi_mac_set_tpctl_11bg(mac, NULL);
if (sc->sc_card_flags & BWI_CARD_F_SW_NRSSI) {
bwi_rf_calc_nrssi_slope(mac);
bwi_rf_set_nrssi_thr(mac);
}
bwi_mac_init_tpctl_11bg(mac);
}
static void
bwi_phy_init_11b_rev5(struct bwi_mac *mac)
{
struct bwi_softc *sc = mac->mac_sc;
struct bwi_rf *rf = &mac->mac_rf;
struct bwi_phy *phy = &mac->mac_phy;
u_int orig_chan;
if (phy->phy_version == 1)
RF_SETBITS(mac, 0x7a, 0x50);
if (sc->sc_pci_subvid != PCI_VENDOR_BROADCOM &&
sc->sc_pci_subdid != BWI_PCI_SUBDEVICE_BU4306) {
uint16_t ofs, val;
val = 0x2120;
for (ofs = 0xa8; ofs < 0xc7; ++ofs) {
PHY_WRITE(mac, ofs, val);
val += 0x202;
}
}
PHY_FILT_SETBITS(mac, 0x35, 0xf0ff, 0x700);
if (rf->rf_type == BWI_RF_T_BCM2050)
PHY_WRITE(mac, 0x38, 0x667);
if ((phy->phy_flags & BWI_PHY_F_LINKED) || phy->phy_rev >= 2) {
if (rf->rf_type == BWI_RF_T_BCM2050) {
RF_SETBITS(mac, 0x7a, 0x20);
RF_SETBITS(mac, 0x51, 0x4);
}
CSR_WRITE_2(sc, BWI_RF_ANTDIV, 0);
PHY_SETBITS(mac, 0x802, 0x100);
PHY_SETBITS(mac, 0x42b, 0x2000);
PHY_WRITE(mac, 0x1c, 0x186a);
PHY_FILT_SETBITS(mac, 0x13, 0xff, 0x1900);
PHY_FILT_SETBITS(mac, 0x35, 0xffc0, 0x64);
PHY_FILT_SETBITS(mac, 0x5d, 0xff80, 0xa);
}
/* TODO: bad_frame_preempt? */
if (phy->phy_version == 1) {
PHY_WRITE(mac, 0x26, 0xce00);
PHY_WRITE(mac, 0x21, 0x3763);
PHY_WRITE(mac, 0x22, 0x1bc3);
PHY_WRITE(mac, 0x23, 0x6f9);
PHY_WRITE(mac, 0x24, 0x37e);
} else {
PHY_WRITE(mac, 0x26, 0xcc00);
}
PHY_WRITE(mac, 0x30, 0xc6);
CSR_WRITE_2(sc, BWI_BPHY_CTRL, BWI_BPHY_CTRL_INIT);
if (phy->phy_version == 1)
PHY_WRITE(mac, 0x20, 0x3e1c);
else
PHY_WRITE(mac, 0x20, 0x301c);
if (phy->phy_version == 0)
CSR_WRITE_2(sc, BWI_PHY_MAGIC_REG1, BWI_PHY_MAGIC_REG1_VAL1);
/* Force to channel 7 */
orig_chan = rf->rf_curchan;
bwi_rf_set_chan(mac, 7, 0);
if (rf->rf_type != BWI_RF_T_BCM2050) {
RF_WRITE(mac, 0x75, 0x80);
RF_WRITE(mac, 0x79, 0x81);
}
RF_WRITE(mac, 0x50, 0x20);
RF_WRITE(mac, 0x50, 0x23);
if (rf->rf_type == BWI_RF_T_BCM2050) {
RF_WRITE(mac, 0x50, 0x20);
RF_WRITE(mac, 0x5a, 0x70);
}
RF_WRITE(mac, 0x5b, 0x7b);
RF_WRITE(mac, 0x5c, 0xb0);
RF_SETBITS(mac, 0x7a, 0x7);
bwi_rf_set_chan(mac, orig_chan, 0);
PHY_WRITE(mac, 0x14, 0x80);
PHY_WRITE(mac, 0x32, 0xca);
PHY_WRITE(mac, 0x2a, 0x88a3);
bwi_mac_set_tpctl_11bg(mac, NULL);
if (rf->rf_type == BWI_RF_T_BCM2050)
RF_WRITE(mac, 0x5d, 0xd);
CSR_FILT_SETBITS_2(sc, BWI_PHY_MAGIC_REG1, 0xffc0, 0x4);
}
static void
bwi_phy_init_11b_rev6(struct bwi_mac *mac)
{
struct bwi_softc *sc = mac->mac_sc;
struct bwi_rf *rf = &mac->mac_rf;
struct bwi_phy *phy = &mac->mac_phy;
uint16_t val, ofs;
u_int orig_chan;
PHY_WRITE(mac, 0x3e, 0x817a);
RF_SETBITS(mac, 0x7a, 0x58);
if (rf->rf_rev == 4 || rf->rf_rev == 5) {
RF_WRITE(mac, 0x51, 0x37);
RF_WRITE(mac, 0x52, 0x70);
RF_WRITE(mac, 0x53, 0xb3);
RF_WRITE(mac, 0x54, 0x9b);
RF_WRITE(mac, 0x5a, 0x88);
RF_WRITE(mac, 0x5b, 0x88);
RF_WRITE(mac, 0x5d, 0x88);
RF_WRITE(mac, 0x5e, 0x88);
RF_WRITE(mac, 0x7d, 0x88);
HFLAGS_SETBITS(mac, BWI_HFLAG_MAGIC1);
} else if (rf->rf_rev == 8) {
RF_WRITE(mac, 0x51, 0);
RF_WRITE(mac, 0x52, 0x40);
RF_WRITE(mac, 0x53, 0xb7);
RF_WRITE(mac, 0x54, 0x98);
RF_WRITE(mac, 0x5a, 0x88);
RF_WRITE(mac, 0x5b, 0x6b);
RF_WRITE(mac, 0x5c, 0xf);
if (sc->sc_card_flags & BWI_CARD_F_ALT_IQ) {
RF_WRITE(mac, 0x5d, 0xfa);
RF_WRITE(mac, 0x5e, 0xd8);
} else {
RF_WRITE(mac, 0x5d, 0xf5);
RF_WRITE(mac, 0x5e, 0xb8);
}
RF_WRITE(mac, 0x73, 0x3);
RF_WRITE(mac, 0x7d, 0xa8);
RF_WRITE(mac, 0x7c, 0x1);
RF_WRITE(mac, 0x7e, 0x8);
}
val = 0x1e1f;
for (ofs = 0x88; ofs < 0x98; ++ofs) {
PHY_WRITE(mac, ofs, val);
val -= 0x202;
}
val = 0x3e3f;
for (ofs = 0x98; ofs < 0xa8; ++ofs) {
PHY_WRITE(mac, ofs, val);
val -= 0x202;
}
val = 0x2120;
for (ofs = 0xa8; ofs < 0xc8; ++ofs) {
PHY_WRITE(mac, ofs, (val & 0x3f3f));
val += 0x202;
/* XXX: delay 10 us to avoid PCI parity errors with BCM4318 */
DELAY(10);
}
if (phy->phy_mode == IEEE80211_MODE_11G) {
RF_SETBITS(mac, 0x7a, 0x20);
RF_SETBITS(mac, 0x51, 0x4);
PHY_SETBITS(mac, 0x802, 0x100);
PHY_SETBITS(mac, 0x42b, 0x2000);
PHY_WRITE(mac, 0x5b, 0);
PHY_WRITE(mac, 0x5c, 0);
}
/* Force to channel 7 */
orig_chan = rf->rf_curchan;
if (orig_chan >= 8)
bwi_rf_set_chan(mac, 1, 0);
else
bwi_rf_set_chan(mac, 13, 0);
RF_WRITE(mac, 0x50, 0x20);
RF_WRITE(mac, 0x50, 0x23);
DELAY(40);
if (rf->rf_rev < 6 || rf->rf_rev == 8) {
RF_SETBITS(mac, 0x7c, 0x2);
RF_WRITE(mac, 0x50, 0x20);
}
if (rf->rf_rev <= 2) {
RF_WRITE(mac, 0x7c, 0x20);
RF_WRITE(mac, 0x5a, 0x70);
RF_WRITE(mac, 0x5b, 0x7b);
RF_WRITE(mac, 0x5c, 0xb0);
}
RF_FILT_SETBITS(mac, 0x7a, 0xf8, 0x7);
bwi_rf_set_chan(mac, orig_chan, 0);
PHY_WRITE(mac, 0x14, 0x200);
if (rf->rf_rev >= 6)
PHY_WRITE(mac, 0x2a, 0x88c2);
else
PHY_WRITE(mac, 0x2a, 0x8ac0);
PHY_WRITE(mac, 0x38, 0x668);
bwi_mac_set_tpctl_11bg(mac, NULL);
if (rf->rf_rev <= 5) {
PHY_FILT_SETBITS(mac, 0x5d, 0xff80, 0x3);
if (rf->rf_rev <= 2)
RF_WRITE(mac, 0x5d, 0xd);
}
if (phy->phy_version == 4) {
CSR_WRITE_2(sc, BWI_PHY_MAGIC_REG1, BWI_PHY_MAGIC_REG1_VAL2);
PHY_CLRBITS(mac, 0x61, 0xf000);
} else {
PHY_FILT_SETBITS(mac, 0x2, 0xffc0, 0x4);
}
if (phy->phy_mode == IEEE80211_MODE_11B) {
CSR_WRITE_2(sc, BWI_BBP_ATTEN, BWI_BBP_ATTEN_MAGIC2);
PHY_WRITE(mac, 0x16, 0x410);
PHY_WRITE(mac, 0x17, 0x820);
PHY_WRITE(mac, 0x62, 0x7);
bwi_rf_init_bcm2050(mac);
bwi_rf_lo_update(mac);
if (sc->sc_card_flags & BWI_CARD_F_SW_NRSSI) {
bwi_rf_calc_nrssi_slope(mac);
bwi_rf_set_nrssi_thr(mac);
}
bwi_mac_init_tpctl_11bg(mac);
} else {
CSR_WRITE_2(sc, BWI_BBP_ATTEN, 0);
}
}
#define N(arr) (int)(sizeof(arr) / sizeof(arr[0]))
static void
bwi_phy_config_11g(struct bwi_mac *mac)
{
struct bwi_softc *sc = mac->mac_sc;
struct bwi_phy *phy = &mac->mac_phy;
const uint16_t *tbl;
uint16_t wrd_ofs1, wrd_ofs2;
int i, n;
if (phy->phy_rev == 1) {
PHY_WRITE(mac, 0x406, 0x4f19);
PHY_FILT_SETBITS(mac, 0x429, 0xfc3f, 0x340);
PHY_WRITE(mac, 0x42c, 0x5a);
PHY_WRITE(mac, 0x427, 0x1a);
/* Fill frequency table */
for (i = 0; i < N(bwi_phy_freq_11g_rev1); ++i) {
bwi_tbl_write_2(mac, BWI_PHYTBL_FREQ + i,
bwi_phy_freq_11g_rev1[i]);
}
/* Fill noise table */
for (i = 0; i < N(bwi_phy_noise_11g_rev1); ++i) {
bwi_tbl_write_2(mac, BWI_PHYTBL_NOISE + i,
bwi_phy_noise_11g_rev1[i]);
}
/* Fill rotor table */
for (i = 0; i < N(bwi_phy_rotor_11g_rev1); ++i) {
/* NB: data length is 4 bytes */
bwi_tbl_write_4(mac, BWI_PHYTBL_ROTOR + i,
bwi_phy_rotor_11g_rev1[i]);
}
} else {
bwi_nrssi_write(mac, 0xba98, (int16_t)0x7654); /* XXX */
if (phy->phy_rev == 2) {
PHY_WRITE(mac, 0x4c0, 0x1861);
PHY_WRITE(mac, 0x4c1, 0x271);
} else if (phy->phy_rev > 2) {
PHY_WRITE(mac, 0x4c0, 0x98);
PHY_WRITE(mac, 0x4c1, 0x70);
PHY_WRITE(mac, 0x4c9, 0x80);
}
PHY_SETBITS(mac, 0x42b, 0x800);
/* Fill RSSI table */
for (i = 0; i < 64; ++i)
bwi_tbl_write_2(mac, BWI_PHYTBL_RSSI + i, i);
/* Fill noise table */
for (i = 0; i < sizeof(bwi_phy_noise_11g); ++i) {
bwi_tbl_write_2(mac, BWI_PHYTBL_NOISE + i,
bwi_phy_noise_11g[i]);
}
}
/*
* Fill noise scale table
*/
if (phy->phy_rev <= 2) {
tbl = bwi_phy_noise_scale_11g_rev2;
n = N(bwi_phy_noise_scale_11g_rev2);
} else if (phy->phy_rev >= 7 && (PHY_READ(mac, 0x449) & 0x200)) {
tbl = bwi_phy_noise_scale_11g_rev7;
n = N(bwi_phy_noise_scale_11g_rev7);
} else {
tbl = bwi_phy_noise_scale_11g;
n = N(bwi_phy_noise_scale_11g);
}
for (i = 0; i < n; ++i)
bwi_tbl_write_2(mac, BWI_PHYTBL_NOISE_SCALE + i, tbl[i]);
/*
* Fill sigma square table
*/
if (phy->phy_rev == 2) {
tbl = bwi_phy_sigma_sq_11g_rev2;
n = N(bwi_phy_sigma_sq_11g_rev2);
} else if (phy->phy_rev > 2 && phy->phy_rev <= 8) {
tbl = bwi_phy_sigma_sq_11g_rev7;
n = N(bwi_phy_sigma_sq_11g_rev7);
} else {
tbl = NULL;
n = 0;
}
for (i = 0; i < n; ++i)
bwi_tbl_write_2(mac, BWI_PHYTBL_SIGMA_SQ + i, tbl[i]);
if (phy->phy_rev == 1) {
/* Fill delay table */
for (i = 0; i < N(bwi_phy_delay_11g_rev1); ++i) {
bwi_tbl_write_4(mac, BWI_PHYTBL_DELAY + i,
bwi_phy_delay_11g_rev1[i]);
}
/* Fill WRSSI (Wide-Band RSSI) table */
for (i = 4; i < 20; ++i)
bwi_tbl_write_2(mac, BWI_PHYTBL_WRSSI_REV1 + i, 0x20);
bwi_phy_config_agc(mac);
wrd_ofs1 = 0x5001;
wrd_ofs2 = 0x5002;
} else {
/* Fill WRSSI (Wide-Band RSSI) table */
for (i = 0; i < 0x20; ++i)
bwi_tbl_write_2(mac, BWI_PHYTBL_WRSSI + i, 0x820);
bwi_phy_config_agc(mac);
PHY_READ(mac, 0x400); /* Dummy read */
PHY_WRITE(mac, 0x403, 0x1000);
bwi_tbl_write_2(mac, 0x3c02, 0xf);
bwi_tbl_write_2(mac, 0x3c03, 0x14);
wrd_ofs1 = 0x401;
wrd_ofs2 = 0x402;
}
if (!(BWI_IS_BRCM_BU4306(sc) && sc->sc_pci_revid == 0x17)) {
bwi_tbl_write_2(mac, wrd_ofs1, 0x2);
bwi_tbl_write_2(mac, wrd_ofs2, 0x1);
}
/* phy->phy_flags & BWI_PHY_F_LINKED ? */
if (sc->sc_card_flags & BWI_CARD_F_PA_GPIO9)
PHY_WRITE(mac, 0x46e, 0x3cf);
}
#undef N
/*
* Configure Automatic Gain Controller
*/
static void
bwi_phy_config_agc(struct bwi_mac *mac)
{
struct bwi_phy *phy = &mac->mac_phy;
uint16_t ofs;
ofs = phy->phy_rev == 1 ? 0x4c00 : 0;
bwi_tbl_write_2(mac, ofs, 0xfe);
bwi_tbl_write_2(mac, ofs + 1, 0xd);
bwi_tbl_write_2(mac, ofs + 2, 0x13);
bwi_tbl_write_2(mac, ofs + 3, 0x19);
if (phy->phy_rev == 1) {
bwi_tbl_write_2(mac, 0x1800, 0x2710);
bwi_tbl_write_2(mac, 0x1801, 0x9b83);
bwi_tbl_write_2(mac, 0x1802, 0x9b83);
bwi_tbl_write_2(mac, 0x1803, 0xf8d);
PHY_WRITE(mac, 0x455, 0x4);
}
PHY_FILT_SETBITS(mac, 0x4a5, 0xff, 0x5700);
PHY_FILT_SETBITS(mac, 0x41a, 0xff80, 0xf);
PHY_FILT_SETBITS(mac, 0x41a, 0xc07f, 0x2b80);
PHY_FILT_SETBITS(mac, 0x48c, 0xf0ff, 0x300);
RF_SETBITS(mac, 0x7a, 0x8);
PHY_FILT_SETBITS(mac, 0x4a0, 0xfff0, 0x8);
PHY_FILT_SETBITS(mac, 0x4a1, 0xf0ff, 0x600);
PHY_FILT_SETBITS(mac, 0x4a2, 0xf0ff, 0x700);
PHY_FILT_SETBITS(mac, 0x4a0, 0xf0ff, 0x100);
if (phy->phy_rev == 1)
PHY_FILT_SETBITS(mac, 0x4a2, 0xfff0, 0x7);
PHY_FILT_SETBITS(mac, 0x488, 0xff00, 0x1c);
PHY_FILT_SETBITS(mac, 0x488, 0xc0ff, 0x200);
PHY_FILT_SETBITS(mac, 0x496, 0xff00, 0x1c);
PHY_FILT_SETBITS(mac, 0x489, 0xff00, 0x20);
PHY_FILT_SETBITS(mac, 0x489, 0xc0ff, 0x200);
PHY_FILT_SETBITS(mac, 0x482, 0xff00, 0x2e);
PHY_FILT_SETBITS(mac, 0x496, 0xff, 0x1a00);
PHY_FILT_SETBITS(mac, 0x481, 0xff00, 0x28);
PHY_FILT_SETBITS(mac, 0x481, 0xff, 0x2c00);
if (phy->phy_rev == 1) {
PHY_WRITE(mac, 0x430, 0x92b);
PHY_FILT_SETBITS(mac, 0x41b, 0xffe1, 0x2);
} else {
PHY_CLRBITS(mac, 0x41b, 0x1e);
PHY_WRITE(mac, 0x41f, 0x287a);
PHY_FILT_SETBITS(mac, 0x420, 0xfff0, 0x4);
if (phy->phy_rev >= 6) {
PHY_WRITE(mac, 0x422, 0x287a);
PHY_FILT_SETBITS(mac, 0x420, 0xfff, 0x3000);
}
}
PHY_FILT_SETBITS(mac, 0x4a8, 0x8080, 0x7874);
PHY_WRITE(mac, 0x48e, 0x1c00);
if (phy->phy_rev == 1) {
PHY_FILT_SETBITS(mac, 0x4ab, 0xf0ff, 0x600);
PHY_WRITE(mac, 0x48b, 0x5e);
PHY_FILT_SETBITS(mac, 0x48c, 0xff00, 0x1e);
PHY_WRITE(mac, 0x48d, 0x2);
}
bwi_tbl_write_2(mac, ofs + 0x800, 0);
bwi_tbl_write_2(mac, ofs + 0x801, 7);
bwi_tbl_write_2(mac, ofs + 0x802, 16);
bwi_tbl_write_2(mac, ofs + 0x803, 28);
if (phy->phy_rev >= 6) {
PHY_CLRBITS(mac, 0x426, 0x3);
PHY_CLRBITS(mac, 0x426, 0x1000);
}
}
void
bwi_set_gains(struct bwi_mac *mac, const struct bwi_gains *gains)
{
struct bwi_phy *phy = &mac->mac_phy;
uint16_t tbl_gain_ofs1, tbl_gain_ofs2, tbl_gain;
int i;
if (phy->phy_rev <= 1) {
tbl_gain_ofs1 = 0x5000;
tbl_gain_ofs2 = tbl_gain_ofs1 + 16;
} else {
tbl_gain_ofs1 = 0x400;
tbl_gain_ofs2 = tbl_gain_ofs1 + 8;
}
for (i = 0; i < 4; ++i) {
if (gains != NULL) {
tbl_gain = gains->tbl_gain1;
} else {
/* Bit swap */
tbl_gain = (i & 0x1) << 1;
tbl_gain |= (i & 0x2) >> 1;
}
bwi_tbl_write_2(mac, tbl_gain_ofs1 + i, tbl_gain);
}
for (i = 0; i < 16; ++i) {
if (gains != NULL)
tbl_gain = gains->tbl_gain2;
else
tbl_gain = i;
bwi_tbl_write_2(mac, tbl_gain_ofs2 + i, tbl_gain);
}
if (gains == NULL || (gains != NULL && gains->phy_gain != -1)) {
uint16_t phy_gain1, phy_gain2;
if (gains != NULL) {
phy_gain1 =
((uint16_t)gains->phy_gain << 14) |
((uint16_t)gains->phy_gain << 6);
phy_gain2 = phy_gain1;
} else {
phy_gain1 = 0x4040;
phy_gain2 = 0x4000;
}
PHY_FILT_SETBITS(mac, 0x4a0, 0xbfbf, phy_gain1);
PHY_FILT_SETBITS(mac, 0x4a1, 0xbfbf, phy_gain1);
PHY_FILT_SETBITS(mac, 0x4a2, 0xbfbf, phy_gain2);
}
bwi_mac_dummy_xmit(mac);
}
void
bwi_phy_clear_state(struct bwi_phy *phy)
{
phy->phy_flags &= ~BWI_CLEAR_PHY_FLAGS;
}
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