644 lines
18 KiB
C
644 lines
18 KiB
C
/*
|
|
|
|
Broadcom B43 wireless driver
|
|
IEEE 802.11a PHY driver
|
|
|
|
Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
|
|
Copyright (c) 2005-2007 Stefano Brivio <stefano.brivio@polimi.it>
|
|
Copyright (c) 2005-2008 Michael Buesch <mb@bu3sch.de>
|
|
Copyright (c) 2005, 2006 Danny van Dyk <kugelfang@gentoo.org>
|
|
Copyright (c) 2005, 2006 Andreas Jaggi <andreas.jaggi@waterwave.ch>
|
|
|
|
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 "phy_a.h"
|
|
#include "phy_common.h"
|
|
#include "wa.h"
|
|
#include "tables.h"
|
|
#include "main.h"
|
|
|
|
|
|
/* Get the freq, as it has to be written to the device. */
|
|
static inline u16 channel2freq_a(u8 channel)
|
|
{
|
|
B43_WARN_ON(channel > 200);
|
|
|
|
return (5000 + 5 * channel);
|
|
}
|
|
|
|
static inline u16 freq_r3A_value(u16 frequency)
|
|
{
|
|
u16 value;
|
|
|
|
if (frequency < 5091)
|
|
value = 0x0040;
|
|
else if (frequency < 5321)
|
|
value = 0x0000;
|
|
else if (frequency < 5806)
|
|
value = 0x0080;
|
|
else
|
|
value = 0x0040;
|
|
|
|
return value;
|
|
}
|
|
|
|
#if 0
|
|
/* This function converts a TSSI value to dBm in Q5.2 */
|
|
static s8 b43_aphy_estimate_power_out(struct b43_wldev *dev, s8 tssi)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
struct b43_phy_a *aphy = phy->a;
|
|
s8 dbm = 0;
|
|
s32 tmp;
|
|
|
|
tmp = (aphy->tgt_idle_tssi - aphy->cur_idle_tssi + tssi);
|
|
tmp += 0x80;
|
|
tmp = clamp_val(tmp, 0x00, 0xFF);
|
|
dbm = aphy->tssi2dbm[tmp];
|
|
//TODO: There's a FIXME on the specs
|
|
|
|
return dbm;
|
|
}
|
|
#endif
|
|
|
|
void b43_radio_set_tx_iq(struct b43_wldev *dev)
|
|
{
|
|
static const u8 data_high[5] = { 0x00, 0x40, 0x80, 0x90, 0xD0 };
|
|
static const u8 data_low[5] = { 0x00, 0x01, 0x05, 0x06, 0x0A };
|
|
u16 tmp = b43_radio_read16(dev, 0x001E);
|
|
int i, j;
|
|
|
|
for (i = 0; i < 5; i++) {
|
|
for (j = 0; j < 5; j++) {
|
|
if (tmp == (data_high[i] << 4 | data_low[j])) {
|
|
b43_phy_write(dev, 0x0069,
|
|
(i - j) << 8 | 0x00C0);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void aphy_channel_switch(struct b43_wldev *dev, unsigned int channel)
|
|
{
|
|
u16 freq, r8, tmp;
|
|
|
|
freq = channel2freq_a(channel);
|
|
|
|
r8 = b43_radio_read16(dev, 0x0008);
|
|
b43_write16(dev, 0x03F0, freq);
|
|
b43_radio_write16(dev, 0x0008, r8);
|
|
|
|
//TODO: write max channel TX power? to Radio 0x2D
|
|
tmp = b43_radio_read16(dev, 0x002E);
|
|
tmp &= 0x0080;
|
|
//TODO: OR tmp with the Power out estimation for this channel?
|
|
b43_radio_write16(dev, 0x002E, tmp);
|
|
|
|
if (freq >= 4920 && freq <= 5500) {
|
|
/*
|
|
* r8 = (((freq * 15 * 0xE1FC780F) >> 32) / 29) & 0x0F;
|
|
* = (freq * 0.025862069
|
|
*/
|
|
r8 = 3 * freq / 116; /* is equal to r8 = freq * 0.025862 */
|
|
}
|
|
b43_radio_write16(dev, 0x0007, (r8 << 4) | r8);
|
|
b43_radio_write16(dev, 0x0020, (r8 << 4) | r8);
|
|
b43_radio_write16(dev, 0x0021, (r8 << 4) | r8);
|
|
b43_radio_write16(dev, 0x0022, (b43_radio_read16(dev, 0x0022)
|
|
& 0x000F) | (r8 << 4));
|
|
b43_radio_write16(dev, 0x002A, (r8 << 4));
|
|
b43_radio_write16(dev, 0x002B, (r8 << 4));
|
|
b43_radio_write16(dev, 0x0008, (b43_radio_read16(dev, 0x0008)
|
|
& 0x00F0) | (r8 << 4));
|
|
b43_radio_write16(dev, 0x0029, (b43_radio_read16(dev, 0x0029)
|
|
& 0xFF0F) | 0x00B0);
|
|
b43_radio_write16(dev, 0x0035, 0x00AA);
|
|
b43_radio_write16(dev, 0x0036, 0x0085);
|
|
b43_radio_write16(dev, 0x003A, (b43_radio_read16(dev, 0x003A)
|
|
& 0xFF20) |
|
|
freq_r3A_value(freq));
|
|
b43_radio_write16(dev, 0x003D,
|
|
b43_radio_read16(dev, 0x003D) & 0x00FF);
|
|
b43_radio_write16(dev, 0x0081, (b43_radio_read16(dev, 0x0081)
|
|
& 0xFF7F) | 0x0080);
|
|
b43_radio_write16(dev, 0x0035,
|
|
b43_radio_read16(dev, 0x0035) & 0xFFEF);
|
|
b43_radio_write16(dev, 0x0035, (b43_radio_read16(dev, 0x0035)
|
|
& 0xFFEF) | 0x0010);
|
|
b43_radio_set_tx_iq(dev);
|
|
//TODO: TSSI2dbm workaround
|
|
//FIXME b43_phy_xmitpower(dev);
|
|
}
|
|
|
|
void b43_radio_init2060(struct b43_wldev *dev)
|
|
{
|
|
b43_radio_write16(dev, 0x0004, 0x00C0);
|
|
b43_radio_write16(dev, 0x0005, 0x0008);
|
|
b43_radio_write16(dev, 0x0009, 0x0040);
|
|
b43_radio_write16(dev, 0x0005, 0x00AA);
|
|
b43_radio_write16(dev, 0x0032, 0x008F);
|
|
b43_radio_write16(dev, 0x0006, 0x008F);
|
|
b43_radio_write16(dev, 0x0034, 0x008F);
|
|
b43_radio_write16(dev, 0x002C, 0x0007);
|
|
b43_radio_write16(dev, 0x0082, 0x0080);
|
|
b43_radio_write16(dev, 0x0080, 0x0000);
|
|
b43_radio_write16(dev, 0x003F, 0x00DA);
|
|
b43_radio_write16(dev, 0x0005, b43_radio_read16(dev, 0x0005) & ~0x0008);
|
|
b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0010);
|
|
b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0020);
|
|
b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0020);
|
|
msleep(1); /* delay 400usec */
|
|
|
|
b43_radio_write16(dev, 0x0081,
|
|
(b43_radio_read16(dev, 0x0081) & ~0x0020) | 0x0010);
|
|
msleep(1); /* delay 400usec */
|
|
|
|
b43_radio_write16(dev, 0x0005,
|
|
(b43_radio_read16(dev, 0x0005) & ~0x0008) | 0x0008);
|
|
b43_radio_write16(dev, 0x0085, b43_radio_read16(dev, 0x0085) & ~0x0010);
|
|
b43_radio_write16(dev, 0x0005, b43_radio_read16(dev, 0x0005) & ~0x0008);
|
|
b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0040);
|
|
b43_radio_write16(dev, 0x0081,
|
|
(b43_radio_read16(dev, 0x0081) & ~0x0040) | 0x0040);
|
|
b43_radio_write16(dev, 0x0005,
|
|
(b43_radio_read16(dev, 0x0081) & ~0x0008) | 0x0008);
|
|
b43_phy_write(dev, 0x0063, 0xDDC6);
|
|
b43_phy_write(dev, 0x0069, 0x07BE);
|
|
b43_phy_write(dev, 0x006A, 0x0000);
|
|
|
|
aphy_channel_switch(dev, dev->phy.ops->get_default_chan(dev));
|
|
|
|
msleep(1);
|
|
}
|
|
|
|
static void b43_phy_rssiagc(struct b43_wldev *dev, u8 enable)
|
|
{
|
|
int i;
|
|
|
|
if (dev->phy.rev < 3) {
|
|
if (enable)
|
|
for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++) {
|
|
b43_ofdmtab_write16(dev,
|
|
B43_OFDMTAB_LNAHPFGAIN1, i, 0xFFF8);
|
|
b43_ofdmtab_write16(dev,
|
|
B43_OFDMTAB_WRSSI, i, 0xFFF8);
|
|
}
|
|
else
|
|
for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++) {
|
|
b43_ofdmtab_write16(dev,
|
|
B43_OFDMTAB_LNAHPFGAIN1, i, b43_tab_rssiagc1[i]);
|
|
b43_ofdmtab_write16(dev,
|
|
B43_OFDMTAB_WRSSI, i, b43_tab_rssiagc1[i]);
|
|
}
|
|
} else {
|
|
if (enable)
|
|
for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++)
|
|
b43_ofdmtab_write16(dev,
|
|
B43_OFDMTAB_WRSSI, i, 0x0820);
|
|
else
|
|
for (i = 0; i < B43_TAB_RSSIAGC2_SIZE; i++)
|
|
b43_ofdmtab_write16(dev,
|
|
B43_OFDMTAB_WRSSI, i, b43_tab_rssiagc2[i]);
|
|
}
|
|
}
|
|
|
|
static void b43_phy_ww(struct b43_wldev *dev)
|
|
{
|
|
u16 b, curr_s, best_s = 0xFFFF;
|
|
int i;
|
|
|
|
b43_phy_write(dev, B43_PHY_CRS0,
|
|
b43_phy_read(dev, B43_PHY_CRS0) & ~B43_PHY_CRS0_EN);
|
|
b43_phy_write(dev, B43_PHY_OFDM(0x1B),
|
|
b43_phy_read(dev, B43_PHY_OFDM(0x1B)) | 0x1000);
|
|
b43_phy_write(dev, B43_PHY_OFDM(0x82),
|
|
(b43_phy_read(dev, B43_PHY_OFDM(0x82)) & 0xF0FF) | 0x0300);
|
|
b43_radio_write16(dev, 0x0009,
|
|
b43_radio_read16(dev, 0x0009) | 0x0080);
|
|
b43_radio_write16(dev, 0x0012,
|
|
(b43_radio_read16(dev, 0x0012) & 0xFFFC) | 0x0002);
|
|
b43_wa_initgains(dev);
|
|
b43_phy_write(dev, B43_PHY_OFDM(0xBA), 0x3ED5);
|
|
b = b43_phy_read(dev, B43_PHY_PWRDOWN);
|
|
b43_phy_write(dev, B43_PHY_PWRDOWN, (b & 0xFFF8) | 0x0005);
|
|
b43_radio_write16(dev, 0x0004,
|
|
b43_radio_read16(dev, 0x0004) | 0x0004);
|
|
for (i = 0x10; i <= 0x20; i++) {
|
|
b43_radio_write16(dev, 0x0013, i);
|
|
curr_s = b43_phy_read(dev, B43_PHY_OTABLEQ) & 0x00FF;
|
|
if (!curr_s) {
|
|
best_s = 0x0000;
|
|
break;
|
|
} else if (curr_s >= 0x0080)
|
|
curr_s = 0x0100 - curr_s;
|
|
if (curr_s < best_s)
|
|
best_s = curr_s;
|
|
}
|
|
b43_phy_write(dev, B43_PHY_PWRDOWN, b);
|
|
b43_radio_write16(dev, 0x0004,
|
|
b43_radio_read16(dev, 0x0004) & 0xFFFB);
|
|
b43_radio_write16(dev, 0x0013, best_s);
|
|
b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1_R1, 0, 0xFFEC);
|
|
b43_phy_write(dev, B43_PHY_OFDM(0xB7), 0x1E80);
|
|
b43_phy_write(dev, B43_PHY_OFDM(0xB6), 0x1C00);
|
|
b43_phy_write(dev, B43_PHY_OFDM(0xB5), 0x0EC0);
|
|
b43_phy_write(dev, B43_PHY_OFDM(0xB2), 0x00C0);
|
|
b43_phy_write(dev, B43_PHY_OFDM(0xB9), 0x1FFF);
|
|
b43_phy_write(dev, B43_PHY_OFDM(0xBB),
|
|
(b43_phy_read(dev, B43_PHY_OFDM(0xBB)) & 0xF000) | 0x0053);
|
|
b43_phy_write(dev, B43_PHY_OFDM61,
|
|
(b43_phy_read(dev, B43_PHY_OFDM61) & 0xFE1F) | 0x0120);
|
|
b43_phy_write(dev, B43_PHY_OFDM(0x13),
|
|
(b43_phy_read(dev, B43_PHY_OFDM(0x13)) & 0x0FFF) | 0x3000);
|
|
b43_phy_write(dev, B43_PHY_OFDM(0x14),
|
|
(b43_phy_read(dev, B43_PHY_OFDM(0x14)) & 0x0FFF) | 0x3000);
|
|
b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 6, 0x0017);
|
|
for (i = 0; i < 6; i++)
|
|
b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, i, 0x000F);
|
|
b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0D, 0x000E);
|
|
b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0E, 0x0011);
|
|
b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0F, 0x0013);
|
|
b43_phy_write(dev, B43_PHY_OFDM(0x33), 0x5030);
|
|
b43_phy_write(dev, B43_PHY_CRS0,
|
|
b43_phy_read(dev, B43_PHY_CRS0) | B43_PHY_CRS0_EN);
|
|
}
|
|
|
|
static void hardware_pctl_init_aphy(struct b43_wldev *dev)
|
|
{
|
|
//TODO
|
|
}
|
|
|
|
void b43_phy_inita(struct b43_wldev *dev)
|
|
{
|
|
struct ssb_bus *bus = dev->dev->bus;
|
|
struct b43_phy *phy = &dev->phy;
|
|
|
|
/* This lowlevel A-PHY init is also called from G-PHY init.
|
|
* So we must not access phy->a, if called from G-PHY code.
|
|
*/
|
|
B43_WARN_ON((phy->type != B43_PHYTYPE_A) &&
|
|
(phy->type != B43_PHYTYPE_G));
|
|
|
|
might_sleep();
|
|
|
|
if (phy->rev >= 6) {
|
|
if (phy->type == B43_PHYTYPE_A)
|
|
b43_phy_write(dev, B43_PHY_OFDM(0x1B),
|
|
b43_phy_read(dev, B43_PHY_OFDM(0x1B)) & ~0x1000);
|
|
if (b43_phy_read(dev, B43_PHY_ENCORE) & B43_PHY_ENCORE_EN)
|
|
b43_phy_write(dev, B43_PHY_ENCORE,
|
|
b43_phy_read(dev, B43_PHY_ENCORE) | 0x0010);
|
|
else
|
|
b43_phy_write(dev, B43_PHY_ENCORE,
|
|
b43_phy_read(dev, B43_PHY_ENCORE) & ~0x1010);
|
|
}
|
|
|
|
b43_wa_all(dev);
|
|
|
|
if (phy->type == B43_PHYTYPE_A) {
|
|
if (phy->gmode && (phy->rev < 3))
|
|
b43_phy_write(dev, 0x0034,
|
|
b43_phy_read(dev, 0x0034) | 0x0001);
|
|
b43_phy_rssiagc(dev, 0);
|
|
|
|
b43_phy_write(dev, B43_PHY_CRS0,
|
|
b43_phy_read(dev, B43_PHY_CRS0) | B43_PHY_CRS0_EN);
|
|
|
|
b43_radio_init2060(dev);
|
|
|
|
if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) &&
|
|
((bus->boardinfo.type == SSB_BOARD_BU4306) ||
|
|
(bus->boardinfo.type == SSB_BOARD_BU4309))) {
|
|
; //TODO: A PHY LO
|
|
}
|
|
|
|
if (phy->rev >= 3)
|
|
b43_phy_ww(dev);
|
|
|
|
hardware_pctl_init_aphy(dev);
|
|
|
|
//TODO: radar detection
|
|
}
|
|
|
|
if ((phy->type == B43_PHYTYPE_G) &&
|
|
(dev->dev->bus->sprom.boardflags_lo & B43_BFL_PACTRL)) {
|
|
b43_phy_write(dev, B43_PHY_OFDM(0x6E),
|
|
(b43_phy_read(dev, B43_PHY_OFDM(0x6E))
|
|
& 0xE000) | 0x3CF);
|
|
}
|
|
}
|
|
|
|
/* Initialise the TSSI->dBm lookup table */
|
|
static int b43_aphy_init_tssi2dbm_table(struct b43_wldev *dev)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
struct b43_phy_a *aphy = phy->a;
|
|
s16 pab0, pab1, pab2;
|
|
|
|
pab0 = (s16) (dev->dev->bus->sprom.pa1b0);
|
|
pab1 = (s16) (dev->dev->bus->sprom.pa1b1);
|
|
pab2 = (s16) (dev->dev->bus->sprom.pa1b2);
|
|
|
|
if (pab0 != 0 && pab1 != 0 && pab2 != 0 &&
|
|
pab0 != -1 && pab1 != -1 && pab2 != -1) {
|
|
/* The pabX values are set in SPROM. Use them. */
|
|
if ((s8) dev->dev->bus->sprom.itssi_a != 0 &&
|
|
(s8) dev->dev->bus->sprom.itssi_a != -1)
|
|
aphy->tgt_idle_tssi =
|
|
(s8) (dev->dev->bus->sprom.itssi_a);
|
|
else
|
|
aphy->tgt_idle_tssi = 62;
|
|
aphy->tssi2dbm = b43_generate_dyn_tssi2dbm_tab(dev, pab0,
|
|
pab1, pab2);
|
|
if (!aphy->tssi2dbm)
|
|
return -ENOMEM;
|
|
} else {
|
|
/* pabX values not set in SPROM,
|
|
* but APHY needs a generated table. */
|
|
aphy->tssi2dbm = NULL;
|
|
b43err(dev->wl, "Could not generate tssi2dBm "
|
|
"table (wrong SPROM info)!\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int b43_aphy_op_allocate(struct b43_wldev *dev)
|
|
{
|
|
struct b43_phy_a *aphy;
|
|
int err;
|
|
|
|
aphy = kzalloc(sizeof(*aphy), GFP_KERNEL);
|
|
if (!aphy)
|
|
return -ENOMEM;
|
|
dev->phy.a = aphy;
|
|
|
|
err = b43_aphy_init_tssi2dbm_table(dev);
|
|
if (err)
|
|
goto err_free_aphy;
|
|
|
|
return 0;
|
|
|
|
err_free_aphy:
|
|
kfree(aphy);
|
|
dev->phy.a = NULL;
|
|
|
|
return err;
|
|
}
|
|
|
|
static void b43_aphy_op_prepare_structs(struct b43_wldev *dev)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
struct b43_phy_a *aphy = phy->a;
|
|
const void *tssi2dbm;
|
|
int tgt_idle_tssi;
|
|
|
|
/* tssi2dbm table is constant, so it is initialized at alloc time.
|
|
* Save a copy of the pointer. */
|
|
tssi2dbm = aphy->tssi2dbm;
|
|
tgt_idle_tssi = aphy->tgt_idle_tssi;
|
|
|
|
/* Zero out the whole PHY structure. */
|
|
memset(aphy, 0, sizeof(*aphy));
|
|
|
|
aphy->tssi2dbm = tssi2dbm;
|
|
aphy->tgt_idle_tssi = tgt_idle_tssi;
|
|
|
|
//TODO init struct b43_phy_a
|
|
|
|
}
|
|
|
|
static void b43_aphy_op_free(struct b43_wldev *dev)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
struct b43_phy_a *aphy = phy->a;
|
|
|
|
kfree(aphy->tssi2dbm);
|
|
aphy->tssi2dbm = NULL;
|
|
|
|
kfree(aphy);
|
|
dev->phy.a = NULL;
|
|
}
|
|
|
|
static int b43_aphy_op_init(struct b43_wldev *dev)
|
|
{
|
|
b43_phy_inita(dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline u16 adjust_phyreg(struct b43_wldev *dev, u16 offset)
|
|
{
|
|
/* OFDM registers are base-registers for the A-PHY. */
|
|
if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) {
|
|
offset &= ~B43_PHYROUTE;
|
|
offset |= B43_PHYROUTE_BASE;
|
|
}
|
|
|
|
#if B43_DEBUG
|
|
if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) {
|
|
/* Ext-G registers are only available on G-PHYs */
|
|
b43err(dev->wl, "Invalid EXT-G PHY access at "
|
|
"0x%04X on A-PHY\n", offset);
|
|
dump_stack();
|
|
}
|
|
if ((offset & B43_PHYROUTE) == B43_PHYROUTE_N_BMODE) {
|
|
/* N-BMODE registers are only available on N-PHYs */
|
|
b43err(dev->wl, "Invalid N-BMODE PHY access at "
|
|
"0x%04X on A-PHY\n", offset);
|
|
dump_stack();
|
|
}
|
|
#endif /* B43_DEBUG */
|
|
|
|
return offset;
|
|
}
|
|
|
|
static u16 b43_aphy_op_read(struct b43_wldev *dev, u16 reg)
|
|
{
|
|
reg = adjust_phyreg(dev, reg);
|
|
b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
|
|
return b43_read16(dev, B43_MMIO_PHY_DATA);
|
|
}
|
|
|
|
static void b43_aphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
|
|
{
|
|
reg = adjust_phyreg(dev, reg);
|
|
b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
|
|
b43_write16(dev, B43_MMIO_PHY_DATA, value);
|
|
}
|
|
|
|
static u16 b43_aphy_op_radio_read(struct b43_wldev *dev, u16 reg)
|
|
{
|
|
/* Register 1 is a 32-bit register. */
|
|
B43_WARN_ON(reg == 1);
|
|
/* A-PHY needs 0x40 for read access */
|
|
reg |= 0x40;
|
|
|
|
b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
|
|
return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
|
|
}
|
|
|
|
static void b43_aphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
|
|
{
|
|
/* Register 1 is a 32-bit register. */
|
|
B43_WARN_ON(reg == 1);
|
|
|
|
b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
|
|
b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
|
|
}
|
|
|
|
static bool b43_aphy_op_supports_hwpctl(struct b43_wldev *dev)
|
|
{
|
|
return (dev->phy.rev >= 5);
|
|
}
|
|
|
|
static void b43_aphy_op_software_rfkill(struct b43_wldev *dev,
|
|
enum rfkill_state state)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
|
|
if (state == RFKILL_STATE_UNBLOCKED) {
|
|
if (phy->radio_on)
|
|
return;
|
|
b43_radio_write16(dev, 0x0004, 0x00C0);
|
|
b43_radio_write16(dev, 0x0005, 0x0008);
|
|
b43_phy_write(dev, 0x0010, b43_phy_read(dev, 0x0010) & 0xFFF7);
|
|
b43_phy_write(dev, 0x0011, b43_phy_read(dev, 0x0011) & 0xFFF7);
|
|
b43_radio_init2060(dev);
|
|
} else {
|
|
b43_radio_write16(dev, 0x0004, 0x00FF);
|
|
b43_radio_write16(dev, 0x0005, 0x00FB);
|
|
b43_phy_write(dev, 0x0010, b43_phy_read(dev, 0x0010) | 0x0008);
|
|
b43_phy_write(dev, 0x0011, b43_phy_read(dev, 0x0011) | 0x0008);
|
|
}
|
|
}
|
|
|
|
static int b43_aphy_op_switch_channel(struct b43_wldev *dev,
|
|
unsigned int new_channel)
|
|
{
|
|
if (new_channel > 200)
|
|
return -EINVAL;
|
|
aphy_channel_switch(dev, new_channel);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static unsigned int b43_aphy_op_get_default_chan(struct b43_wldev *dev)
|
|
{
|
|
return 36; /* Default to channel 36 */
|
|
}
|
|
|
|
static void b43_aphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
|
|
{//TODO
|
|
struct b43_phy *phy = &dev->phy;
|
|
u64 hf;
|
|
u16 tmp;
|
|
int autodiv = 0;
|
|
|
|
if (antenna == B43_ANTENNA_AUTO0 || antenna == B43_ANTENNA_AUTO1)
|
|
autodiv = 1;
|
|
|
|
hf = b43_hf_read(dev);
|
|
hf &= ~B43_HF_ANTDIVHELP;
|
|
b43_hf_write(dev, hf);
|
|
|
|
tmp = b43_phy_read(dev, B43_PHY_BBANDCFG);
|
|
tmp &= ~B43_PHY_BBANDCFG_RXANT;
|
|
tmp |= (autodiv ? B43_ANTENNA_AUTO0 : antenna)
|
|
<< B43_PHY_BBANDCFG_RXANT_SHIFT;
|
|
b43_phy_write(dev, B43_PHY_BBANDCFG, tmp);
|
|
|
|
if (autodiv) {
|
|
tmp = b43_phy_read(dev, B43_PHY_ANTDWELL);
|
|
if (antenna == B43_ANTENNA_AUTO0)
|
|
tmp &= ~B43_PHY_ANTDWELL_AUTODIV1;
|
|
else
|
|
tmp |= B43_PHY_ANTDWELL_AUTODIV1;
|
|
b43_phy_write(dev, B43_PHY_ANTDWELL, tmp);
|
|
}
|
|
if (phy->rev < 3) {
|
|
tmp = b43_phy_read(dev, B43_PHY_ANTDWELL);
|
|
tmp = (tmp & 0xFF00) | 0x24;
|
|
b43_phy_write(dev, B43_PHY_ANTDWELL, tmp);
|
|
} else {
|
|
tmp = b43_phy_read(dev, B43_PHY_OFDM61);
|
|
tmp |= 0x10;
|
|
b43_phy_write(dev, B43_PHY_OFDM61, tmp);
|
|
if (phy->analog == 3) {
|
|
b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT,
|
|
0x1D);
|
|
b43_phy_write(dev, B43_PHY_ADIVRELATED,
|
|
8);
|
|
} else {
|
|
b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT,
|
|
0x3A);
|
|
tmp =
|
|
b43_phy_read(dev,
|
|
B43_PHY_ADIVRELATED);
|
|
tmp = (tmp & 0xFF00) | 8;
|
|
b43_phy_write(dev, B43_PHY_ADIVRELATED,
|
|
tmp);
|
|
}
|
|
}
|
|
|
|
hf |= B43_HF_ANTDIVHELP;
|
|
b43_hf_write(dev, hf);
|
|
}
|
|
|
|
static void b43_aphy_op_adjust_txpower(struct b43_wldev *dev)
|
|
{//TODO
|
|
}
|
|
|
|
static enum b43_txpwr_result b43_aphy_op_recalc_txpower(struct b43_wldev *dev,
|
|
bool ignore_tssi)
|
|
{//TODO
|
|
return B43_TXPWR_RES_DONE;
|
|
}
|
|
|
|
static void b43_aphy_op_pwork_15sec(struct b43_wldev *dev)
|
|
{//TODO
|
|
}
|
|
|
|
static void b43_aphy_op_pwork_60sec(struct b43_wldev *dev)
|
|
{//TODO
|
|
}
|
|
|
|
const struct b43_phy_operations b43_phyops_a = {
|
|
.allocate = b43_aphy_op_allocate,
|
|
.free = b43_aphy_op_free,
|
|
.prepare_structs = b43_aphy_op_prepare_structs,
|
|
.init = b43_aphy_op_init,
|
|
.phy_read = b43_aphy_op_read,
|
|
.phy_write = b43_aphy_op_write,
|
|
.radio_read = b43_aphy_op_radio_read,
|
|
.radio_write = b43_aphy_op_radio_write,
|
|
.supports_hwpctl = b43_aphy_op_supports_hwpctl,
|
|
.software_rfkill = b43_aphy_op_software_rfkill,
|
|
.switch_analog = b43_phyop_switch_analog_generic,
|
|
.switch_channel = b43_aphy_op_switch_channel,
|
|
.get_default_chan = b43_aphy_op_get_default_chan,
|
|
.set_rx_antenna = b43_aphy_op_set_rx_antenna,
|
|
.recalc_txpower = b43_aphy_op_recalc_txpower,
|
|
.adjust_txpower = b43_aphy_op_adjust_txpower,
|
|
.pwork_15sec = b43_aphy_op_pwork_15sec,
|
|
.pwork_60sec = b43_aphy_op_pwork_60sec,
|
|
};
|