197 lines
6.2 KiB
C
197 lines
6.2 KiB
C
/*
|
|
|
|
Broadcom B43 wireless driver
|
|
IEEE 802.11n PHY support
|
|
|
|
Copyright (c) 2008 Michael Buesch <mb@bu3sch.de>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; see the file COPYING. If not, write to
|
|
the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
|
|
Boston, MA 02110-1301, USA.
|
|
|
|
*/
|
|
|
|
#include "b43.h"
|
|
#include "nphy.h"
|
|
#include "tables_nphy.h"
|
|
|
|
|
|
void b43_nphy_set_rxantenna(struct b43_wldev *dev, int antenna)
|
|
{//TODO
|
|
}
|
|
|
|
void b43_nphy_xmitpower(struct b43_wldev *dev)
|
|
{//TODO
|
|
}
|
|
|
|
static void b43_chantab_radio_upload(struct b43_wldev *dev,
|
|
const struct b43_nphy_channeltab_entry *e)
|
|
{
|
|
b43_radio_write16(dev, B2055_PLL_REF, e->radio_pll_ref);
|
|
b43_radio_write16(dev, B2055_RF_PLLMOD0, e->radio_rf_pllmod0);
|
|
b43_radio_write16(dev, B2055_RF_PLLMOD1, e->radio_rf_pllmod1);
|
|
b43_radio_write16(dev, B2055_VCO_CAPTAIL, e->radio_vco_captail);
|
|
b43_radio_write16(dev, B2055_VCO_CAL1, e->radio_vco_cal1);
|
|
b43_radio_write16(dev, B2055_VCO_CAL2, e->radio_vco_cal2);
|
|
b43_radio_write16(dev, B2055_PLL_LFC1, e->radio_pll_lfc1);
|
|
b43_radio_write16(dev, B2055_PLL_LFR1, e->radio_pll_lfr1);
|
|
b43_radio_write16(dev, B2055_PLL_LFC2, e->radio_pll_lfc2);
|
|
b43_radio_write16(dev, B2055_LGBUF_CENBUF, e->radio_lgbuf_cenbuf);
|
|
b43_radio_write16(dev, B2055_LGEN_TUNE1, e->radio_lgen_tune1);
|
|
b43_radio_write16(dev, B2055_LGEN_TUNE2, e->radio_lgen_tune2);
|
|
b43_radio_write16(dev, B2055_C1_LGBUF_ATUNE, e->radio_c1_lgbuf_atune);
|
|
b43_radio_write16(dev, B2055_C1_LGBUF_GTUNE, e->radio_c1_lgbuf_gtune);
|
|
b43_radio_write16(dev, B2055_C1_RX_RFR1, e->radio_c1_rx_rfr1);
|
|
b43_radio_write16(dev, B2055_C1_TX_PGAPADTN, e->radio_c1_tx_pgapadtn);
|
|
b43_radio_write16(dev, B2055_C1_TX_MXBGTRIM, e->radio_c1_tx_mxbgtrim);
|
|
b43_radio_write16(dev, B2055_C2_LGBUF_ATUNE, e->radio_c2_lgbuf_atune);
|
|
b43_radio_write16(dev, B2055_C2_LGBUF_GTUNE, e->radio_c2_lgbuf_gtune);
|
|
b43_radio_write16(dev, B2055_C2_RX_RFR1, e->radio_c2_rx_rfr1);
|
|
b43_radio_write16(dev, B2055_C2_TX_PGAPADTN, e->radio_c2_tx_pgapadtn);
|
|
b43_radio_write16(dev, B2055_C2_TX_MXBGTRIM, e->radio_c2_tx_mxbgtrim);
|
|
}
|
|
|
|
static void b43_chantab_phy_upload(struct b43_wldev *dev,
|
|
const struct b43_nphy_channeltab_entry *e)
|
|
{
|
|
b43_phy_write(dev, B43_NPHY_BW1A, e->phy_bw1a);
|
|
b43_phy_write(dev, B43_NPHY_BW2, e->phy_bw2);
|
|
b43_phy_write(dev, B43_NPHY_BW3, e->phy_bw3);
|
|
b43_phy_write(dev, B43_NPHY_BW4, e->phy_bw4);
|
|
b43_phy_write(dev, B43_NPHY_BW5, e->phy_bw5);
|
|
b43_phy_write(dev, B43_NPHY_BW6, e->phy_bw6);
|
|
}
|
|
|
|
static void b43_nphy_tx_power_fix(struct b43_wldev *dev)
|
|
{
|
|
//TODO
|
|
}
|
|
|
|
/* Tune the hardware to a new channel. Don't call this directly.
|
|
* Use b43_radio_selectchannel() */
|
|
int b43_nphy_selectchannel(struct b43_wldev *dev, u8 channel)
|
|
{
|
|
const struct b43_nphy_channeltab_entry *tabent;
|
|
|
|
tabent = b43_nphy_get_chantabent(dev, channel);
|
|
if (!tabent)
|
|
return -ESRCH;
|
|
|
|
//FIXME enable/disable band select upper20 in RXCTL
|
|
if (0 /*FIXME 5Ghz*/)
|
|
b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, 0x20);
|
|
else
|
|
b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, 0x50);
|
|
b43_chantab_radio_upload(dev, tabent);
|
|
udelay(50);
|
|
b43_radio_write16(dev, B2055_VCO_CAL10, 5);
|
|
b43_radio_write16(dev, B2055_VCO_CAL10, 45);
|
|
b43_radio_write16(dev, B2055_VCO_CAL10, 65);
|
|
udelay(300);
|
|
if (0 /*FIXME 5Ghz*/)
|
|
b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
|
|
else
|
|
b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
|
|
b43_chantab_phy_upload(dev, tabent);
|
|
b43_nphy_tx_power_fix(dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void b43_radio_init2055_pre(struct b43_wldev *dev)
|
|
{
|
|
b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
|
|
~B43_NPHY_RFCTL_CMD_PORFORCE);
|
|
b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
|
|
B43_NPHY_RFCTL_CMD_CHIP0PU |
|
|
B43_NPHY_RFCTL_CMD_OEPORFORCE);
|
|
b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
|
|
B43_NPHY_RFCTL_CMD_PORFORCE);
|
|
}
|
|
|
|
static void b43_radio_init2055_post(struct b43_wldev *dev)
|
|
{
|
|
struct ssb_sprom *sprom = &(dev->dev->bus->sprom);
|
|
struct ssb_boardinfo *binfo = &(dev->dev->bus->boardinfo);
|
|
int i;
|
|
u16 val;
|
|
|
|
b43_radio_mask(dev, B2055_MASTER1, 0xFFF3);
|
|
msleep(1);
|
|
if ((sprom->revision != 4) || !(sprom->boardflags_hi & 0x0002)) {
|
|
if ((binfo->vendor != PCI_VENDOR_ID_BROADCOM) ||
|
|
(binfo->type != 0x46D) ||
|
|
(binfo->rev < 0x41)) {
|
|
b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
|
|
b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
|
|
msleep(1);
|
|
}
|
|
}
|
|
b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0x3F, 0x2C);
|
|
msleep(1);
|
|
b43_radio_write16(dev, B2055_CAL_MISC, 0x3C);
|
|
msleep(1);
|
|
b43_radio_mask(dev, B2055_CAL_MISC, 0xFFBE);
|
|
msleep(1);
|
|
b43_radio_set(dev, B2055_CAL_LPOCTL, 0x80);
|
|
msleep(1);
|
|
b43_radio_set(dev, B2055_CAL_MISC, 0x1);
|
|
msleep(1);
|
|
b43_radio_set(dev, B2055_CAL_MISC, 0x40);
|
|
msleep(1);
|
|
for (i = 0; i < 100; i++) {
|
|
val = b43_radio_read16(dev, B2055_CAL_COUT2);
|
|
if (val & 0x80)
|
|
break;
|
|
udelay(10);
|
|
}
|
|
msleep(1);
|
|
b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F);
|
|
msleep(1);
|
|
b43_radio_selectchannel(dev, dev->phy.channel, 0);
|
|
b43_radio_write16(dev, B2055_C1_RX_BB_LPF, 0x9);
|
|
b43_radio_write16(dev, B2055_C2_RX_BB_LPF, 0x9);
|
|
b43_radio_write16(dev, B2055_C1_RX_BB_MIDACHP, 0x83);
|
|
b43_radio_write16(dev, B2055_C2_RX_BB_MIDACHP, 0x83);
|
|
}
|
|
|
|
/* Initialize a Broadcom 2055 N-radio */
|
|
static void b43_radio_init2055(struct b43_wldev *dev)
|
|
{
|
|
b43_radio_init2055_pre(dev);
|
|
if (b43_status(dev) < B43_STAT_INITIALIZED)
|
|
b2055_upload_inittab(dev, 0, 1);
|
|
else
|
|
b2055_upload_inittab(dev, 0/*FIXME on 5ghz band*/, 0);
|
|
b43_radio_init2055_post(dev);
|
|
}
|
|
|
|
void b43_nphy_radio_turn_on(struct b43_wldev *dev)
|
|
{
|
|
b43_radio_init2055(dev);
|
|
}
|
|
|
|
void b43_nphy_radio_turn_off(struct b43_wldev *dev)
|
|
{
|
|
b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
|
|
~B43_NPHY_RFCTL_CMD_EN);
|
|
}
|
|
|
|
int b43_phy_initn(struct b43_wldev *dev)
|
|
{
|
|
b43err(dev->wl, "IEEE 802.11n devices are not supported, yet.\n");
|
|
|
|
return 0;
|
|
}
|