linux/drivers/net/wireless/b43/phy_n.c
Rafał Miłecki 0988a7a1a9 b43: N-PHY: update init code to match current specs
Previous init path was based on old specs from old driver. Update it
as much as possible leaving some TODOs for not implemented functions.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-01-15 17:05:33 -05:00

753 lines
22 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 <linux/delay.h>
#include <linux/types.h>
#include "b43.h"
#include "phy_n.h"
#include "tables_nphy.h"
struct nphy_txgains {
u16 txgm[2];
u16 pga[2];
u16 pad[2];
u16 ipa[2];
};
struct nphy_iqcal_params {
u16 txgm;
u16 pga;
u16 pad;
u16 ipa;
u16 cal_gain;
u16 ncorr[5];
};
struct nphy_iq_est {
s32 iq0_prod;
u32 i0_pwr;
u32 q0_pwr;
s32 iq1_prod;
u32 i1_pwr;
u32 q1_pwr;
};
void b43_nphy_set_rxantenna(struct b43_wldev *dev, int antenna)
{//TODO
}
static void b43_nphy_op_adjust_txpower(struct b43_wldev *dev)
{//TODO
}
static enum b43_txpwr_result b43_nphy_op_recalc_txpower(struct b43_wldev *dev,
bool ignore_tssi)
{//TODO
return B43_TXPWR_RES_DONE;
}
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. */
static int nphy_channel_switch(struct b43_wldev *dev, unsigned int 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 & B43_BFH_RSSIINV)) {
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);
nphy_channel_switch(dev, dev->phy.channel);
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);
}
#define ntab_upload(dev, offset, data) do { \
unsigned int i; \
for (i = 0; i < (offset##_SIZE); i++) \
b43_ntab_write(dev, (offset) + i, (data)[i]); \
} while (0)
/*
* Upload the N-PHY tables.
* http://bcm-v4.sipsolutions.net/802.11/PHY/N/InitTables
*/
static void b43_nphy_tables_init(struct b43_wldev *dev)
{
if (dev->phy.rev < 3)
b43_nphy_rev0_1_2_tables_init(dev);
else
b43_nphy_rev3plus_tables_init(dev);
}
static void b43_nphy_workarounds(struct b43_wldev *dev)
{
struct b43_phy *phy = &dev->phy;
unsigned int i;
b43_phy_set(dev, B43_NPHY_IQFLIP,
B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2);
if (1 /* FIXME band is 2.4GHz */) {
b43_phy_set(dev, B43_NPHY_CLASSCTL,
B43_NPHY_CLASSCTL_CCKEN);
} else {
b43_phy_mask(dev, B43_NPHY_CLASSCTL,
~B43_NPHY_CLASSCTL_CCKEN);
}
b43_radio_set(dev, B2055_C1_TX_RF_SPARE, 0x8);
b43_phy_write(dev, B43_NPHY_TXFRAMEDELAY, 8);
/* Fixup some tables */
b43_ntab_write(dev, B43_NTAB16(8, 0x00), 0xA);
b43_ntab_write(dev, B43_NTAB16(8, 0x10), 0xA);
b43_ntab_write(dev, B43_NTAB16(8, 0x02), 0xCDAA);
b43_ntab_write(dev, B43_NTAB16(8, 0x12), 0xCDAA);
b43_ntab_write(dev, B43_NTAB16(8, 0x08), 0);
b43_ntab_write(dev, B43_NTAB16(8, 0x18), 0);
b43_ntab_write(dev, B43_NTAB16(8, 0x07), 0x7AAB);
b43_ntab_write(dev, B43_NTAB16(8, 0x17), 0x7AAB);
b43_ntab_write(dev, B43_NTAB16(8, 0x06), 0x800);
b43_ntab_write(dev, B43_NTAB16(8, 0x16), 0x800);
b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
//TODO set RF sequence
/* Set narrowband clip threshold */
b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, 66);
b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, 66);
/* Set wideband clip 2 threshold */
b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
~B43_NPHY_C1_CLIPWBTHRES_CLIP2,
21 << B43_NPHY_C1_CLIPWBTHRES_CLIP2_SHIFT);
b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
~B43_NPHY_C2_CLIPWBTHRES_CLIP2,
21 << B43_NPHY_C2_CLIPWBTHRES_CLIP2_SHIFT);
/* Set Clip 2 detect */
b43_phy_set(dev, B43_NPHY_C1_CGAINI,
B43_NPHY_C1_CGAINI_CL2DETECT);
b43_phy_set(dev, B43_NPHY_C2_CGAINI,
B43_NPHY_C2_CGAINI_CL2DETECT);
if (0 /*FIXME*/) {
/* Set dwell lengths */
b43_phy_write(dev, B43_NPHY_CLIP1_NBDWELL_LEN, 43);
b43_phy_write(dev, B43_NPHY_CLIP2_NBDWELL_LEN, 43);
b43_phy_write(dev, B43_NPHY_W1CLIP1_DWELL_LEN, 9);
b43_phy_write(dev, B43_NPHY_W1CLIP2_DWELL_LEN, 9);
/* Set gain backoff */
b43_phy_maskset(dev, B43_NPHY_C1_CGAINI,
~B43_NPHY_C1_CGAINI_GAINBKOFF,
1 << B43_NPHY_C1_CGAINI_GAINBKOFF_SHIFT);
b43_phy_maskset(dev, B43_NPHY_C2_CGAINI,
~B43_NPHY_C2_CGAINI_GAINBKOFF,
1 << B43_NPHY_C2_CGAINI_GAINBKOFF_SHIFT);
/* Set HPVGA2 index */
b43_phy_maskset(dev, B43_NPHY_C1_INITGAIN,
~B43_NPHY_C1_INITGAIN_HPVGA2,
6 << B43_NPHY_C1_INITGAIN_HPVGA2_SHIFT);
b43_phy_maskset(dev, B43_NPHY_C2_INITGAIN,
~B43_NPHY_C2_INITGAIN_HPVGA2,
6 << B43_NPHY_C2_INITGAIN_HPVGA2_SHIFT);
//FIXME verify that the specs really mean to use autoinc here.
for (i = 0; i < 3; i++)
b43_ntab_write(dev, B43_NTAB16(7, 0x106) + i, 0x673);
}
/* Set minimum gain value */
b43_phy_maskset(dev, B43_NPHY_C1_MINMAX_GAIN,
~B43_NPHY_C1_MINGAIN,
23 << B43_NPHY_C1_MINGAIN_SHIFT);
b43_phy_maskset(dev, B43_NPHY_C2_MINMAX_GAIN,
~B43_NPHY_C2_MINGAIN,
23 << B43_NPHY_C2_MINGAIN_SHIFT);
if (phy->rev < 2) {
b43_phy_mask(dev, B43_NPHY_SCRAM_SIGCTL,
~B43_NPHY_SCRAM_SIGCTL_SCM);
}
/* Set phase track alpha and beta */
b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x125);
b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x1B3);
b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x105);
b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x16E);
b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0xCD);
b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x20);
}
static void b43_nphy_reset_cca(struct b43_wldev *dev)
{
u16 bbcfg;
ssb_write32(dev->dev, SSB_TMSLOW,
ssb_read32(dev->dev, SSB_TMSLOW) | SSB_TMSLOW_FGC);
bbcfg = b43_phy_read(dev, B43_NPHY_BBCFG);
b43_phy_set(dev, B43_NPHY_BBCFG, B43_NPHY_BBCFG_RSTCCA);
b43_phy_write(dev, B43_NPHY_BBCFG,
bbcfg & ~B43_NPHY_BBCFG_RSTCCA);
ssb_write32(dev->dev, SSB_TMSLOW,
ssb_read32(dev->dev, SSB_TMSLOW) & ~SSB_TMSLOW_FGC);
}
enum b43_nphy_rf_sequence {
B43_RFSEQ_RX2TX,
B43_RFSEQ_TX2RX,
B43_RFSEQ_RESET2RX,
B43_RFSEQ_UPDATE_GAINH,
B43_RFSEQ_UPDATE_GAINL,
B43_RFSEQ_UPDATE_GAINU,
};
static void b43_nphy_force_rf_sequence(struct b43_wldev *dev,
enum b43_nphy_rf_sequence seq)
{
static const u16 trigger[] = {
[B43_RFSEQ_RX2TX] = B43_NPHY_RFSEQTR_RX2TX,
[B43_RFSEQ_TX2RX] = B43_NPHY_RFSEQTR_TX2RX,
[B43_RFSEQ_RESET2RX] = B43_NPHY_RFSEQTR_RST2RX,
[B43_RFSEQ_UPDATE_GAINH] = B43_NPHY_RFSEQTR_UPGH,
[B43_RFSEQ_UPDATE_GAINL] = B43_NPHY_RFSEQTR_UPGL,
[B43_RFSEQ_UPDATE_GAINU] = B43_NPHY_RFSEQTR_UPGU,
};
int i;
B43_WARN_ON(seq >= ARRAY_SIZE(trigger));
b43_phy_set(dev, B43_NPHY_RFSEQMODE,
B43_NPHY_RFSEQMODE_CAOVER | B43_NPHY_RFSEQMODE_TROVER);
b43_phy_set(dev, B43_NPHY_RFSEQTR, trigger[seq]);
for (i = 0; i < 200; i++) {
if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & trigger[seq]))
goto ok;
msleep(1);
}
b43err(dev->wl, "RF sequence status timeout\n");
ok:
b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
~(B43_NPHY_RFSEQMODE_CAOVER | B43_NPHY_RFSEQMODE_TROVER));
}
static void b43_nphy_bphy_init(struct b43_wldev *dev)
{
unsigned int i;
u16 val;
val = 0x1E1F;
for (i = 0; i < 14; i++) {
b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val);
val -= 0x202;
}
val = 0x3E3F;
for (i = 0; i < 16; i++) {
b43_phy_write(dev, B43_PHY_N_BMODE(0x97 + i), val);
val -= 0x202;
}
b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668);
}
/* RSSI Calibration */
static void b43_nphy_rssi_cal(struct b43_wldev *dev, u8 type)
{
//TODO
}
/*
* Init N-PHY
* http://bcm-v4.sipsolutions.net/802.11/PHY/Init/N
*/
int b43_phy_initn(struct b43_wldev *dev)
{
struct ssb_bus *bus = dev->dev->bus;
struct b43_phy *phy = &dev->phy;
struct b43_phy_n *nphy = phy->n;
u8 tx_pwr_state;
struct nphy_txgains target;
u16 tmp;
enum ieee80211_band tmp2;
bool do_rssi_cal;
u16 clip[2];
bool do_cal = false;
if ((dev->phy.rev >= 3) &&
(bus->sprom.boardflags_lo & B43_BFL_EXTLNA) &&
(b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)) {
chipco_set32(&dev->dev->bus->chipco, SSB_CHIPCO_CHIPCTL, 0x40);
}
nphy->deaf_count = 0;
b43_nphy_tables_init(dev);
nphy->crsminpwr_adjusted = false;
nphy->noisevars_adjusted = false;
/* Clear all overrides */
if (dev->phy.rev >= 3) {
b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, 0);
b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, 0);
b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, 0);
} else {
b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
}
b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, 0);
b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, 0);
if (dev->phy.rev < 6) {
b43_phy_write(dev, B43_NPHY_RFCTL_INTC3, 0);
b43_phy_write(dev, B43_NPHY_RFCTL_INTC4, 0);
}
b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
~(B43_NPHY_RFSEQMODE_CAOVER |
B43_NPHY_RFSEQMODE_TROVER));
if (dev->phy.rev >= 3)
b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, 0);
b43_phy_write(dev, B43_NPHY_AFECTL_OVER, 0);
if (dev->phy.rev <= 2) {
tmp = (dev->phy.rev == 2) ? 0x3B : 0x40;
b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
~B43_NPHY_BPHY_CTL3_SCALE,
tmp << B43_NPHY_BPHY_CTL3_SCALE_SHIFT);
}
b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_20M, 0x20);
b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_40M, 0x20);
if (bus->sprom.boardflags2_lo & 0x100 ||
(bus->boardinfo.vendor == PCI_VENDOR_ID_APPLE &&
bus->boardinfo.type == 0x8B))
b43_phy_write(dev, B43_NPHY_TXREALFD, 0xA0);
else
b43_phy_write(dev, B43_NPHY_TXREALFD, 0xB8);
b43_phy_write(dev, B43_NPHY_MIMO_CRSTXEXT, 0xC8);
b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x50);
b43_phy_write(dev, B43_NPHY_TXRIFS_FRDEL, 0x30);
/* TODO MIMO-Config */
/* TODO Update TX/RX chain */
if (phy->rev < 2) {
b43_phy_write(dev, B43_NPHY_DUP40_GFBL, 0xAA8);
b43_phy_write(dev, B43_NPHY_DUP40_BL, 0x9A4);
}
tmp2 = b43_current_band(dev->wl);
if ((nphy->ipa2g_on && tmp2 == IEEE80211_BAND_2GHZ) ||
(nphy->ipa5g_on && tmp2 == IEEE80211_BAND_5GHZ)) {
b43_phy_set(dev, B43_NPHY_PAPD_EN0, 0x1);
b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ0, 0x007F,
nphy->papd_epsilon_offset[0] << 7);
b43_phy_set(dev, B43_NPHY_PAPD_EN1, 0x1);
b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ1, 0x007F,
nphy->papd_epsilon_offset[1] << 7);
/* TODO N PHY IPA Set TX Dig Filters */
} else if (phy->rev >= 5) {
/* TODO N PHY Ext PA Set TX Dig Filters */
}
b43_nphy_workarounds(dev);
/* Reset CCA, in init code it differs a little from standard way */
/* b43_nphy_bmac_clock_fgc(dev, 1); */
tmp = b43_phy_read(dev, B43_NPHY_BBCFG);
b43_phy_write(dev, B43_NPHY_BBCFG, tmp | B43_NPHY_BBCFG_RSTCCA);
b43_phy_write(dev, B43_NPHY_BBCFG, tmp & ~B43_NPHY_BBCFG_RSTCCA);
/* b43_nphy_bmac_clock_fgc(dev, 0); */
/* TODO N PHY MAC PHY Clock Set with argument 1 */
/* b43_nphy_pa_override(dev, false); */
b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
/* b43_nphy_pa_override(dev, true); */
/* b43_nphy_classifier(dev, 0, 0); */
/* b43_nphy_read_clip_detection(dev, clip); */
tx_pwr_state = nphy->txpwrctrl;
/* TODO N PHY TX power control with argument 0
(turning off power control) */
/* TODO Fix the TX Power Settings */
/* TODO N PHY TX Power Control Idle TSSI */
/* TODO N PHY TX Power Control Setup */
if (phy->rev >= 3) {
/* TODO */
} else {
/* TODO Write an N PHY table with ID 26, length 128, offset 192, width 32, and the data from Rev 2 TX Power Control Table */
/* TODO Write an N PHY table with ID 27, length 128, offset 192, width 32, and the data from Rev 2 TX Power Control Table */
}
if (nphy->phyrxchain != 3)
;/* TODO N PHY RX Core Set State with phyrxchain as argument */
if (nphy->mphase_cal_phase_id > 0)
;/* TODO PHY Periodic Calibration Multi-Phase Restart */
do_rssi_cal = false;
if (phy->rev >= 3) {
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
do_rssi_cal = (nphy->rssical_chanspec_2G == 0);
else
do_rssi_cal = (nphy->rssical_chanspec_5G == 0);
if (do_rssi_cal)
;/* b43_nphy_rssi_cal(dev); */
else
;/* b43_nphy_restore_rssi_cal(dev); */
} else {
/* b43_nphy_rssi_cal(dev); */
}
if (!((nphy->measure_hold & 0x6) != 0)) {
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
do_cal = (nphy->iqcal_chanspec_2G == 0);
else
do_cal = (nphy->iqcal_chanspec_5G == 0);
if (nphy->mute)
do_cal = false;
if (do_cal) {
/* target = b43_nphy_get_tx_gains(dev); */
if (nphy->antsel_type == 2)
;/*TODO NPHY Superswitch Init with argument 1*/
if (nphy->perical != 2) {
/* b43_nphy_rssi_cal(dev); */
if (phy->rev >= 3) {
nphy->cal_orig_pwr_idx[0] =
nphy->txpwrindex[0].index_internal;
nphy->cal_orig_pwr_idx[1] =
nphy->txpwrindex[1].index_internal;
/* TODO N PHY Pre Calibrate TX Gain */
/*target = b43_nphy_get_tx_gains(dev)*/
}
}
}
}
/*
if (!b43_nphy_cal_tx_iq_lo(dev, target, true, false)) {
if (b43_nphy_cal_rx_iq(dev, target, 2, 0) == 0)
Call N PHY Save Cal
else if (nphy->mphase_cal_phase_id == 0)
N PHY Periodic Calibration with argument 3
} else {
b43_nphy_restore_cal(dev);
}
*/
/* b43_nphy_tx_pwr_ctrl_coef_setup(dev); */
/* TODO N PHY TX Power Control Enable with argument tx_pwr_state */
b43_phy_write(dev, B43_NPHY_TXMACIF_HOLDOFF, 0x0015);
b43_phy_write(dev, B43_NPHY_TXMACDELAY, 0x0320);
if (phy->rev >= 3 && phy->rev <= 6)
b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x0014);
/* b43_nphy_tx_lp_fbw(dev); */
/* TODO N PHY Spur Workaround */
b43err(dev->wl, "IEEE 802.11n devices are not supported, yet.\n");
return 0;
}
static int b43_nphy_op_allocate(struct b43_wldev *dev)
{
struct b43_phy_n *nphy;
nphy = kzalloc(sizeof(*nphy), GFP_KERNEL);
if (!nphy)
return -ENOMEM;
dev->phy.n = nphy;
return 0;
}
static void b43_nphy_op_prepare_structs(struct b43_wldev *dev)
{
struct b43_phy *phy = &dev->phy;
struct b43_phy_n *nphy = phy->n;
memset(nphy, 0, sizeof(*nphy));
//TODO init struct b43_phy_n
}
static void b43_nphy_op_free(struct b43_wldev *dev)
{
struct b43_phy *phy = &dev->phy;
struct b43_phy_n *nphy = phy->n;
kfree(nphy);
phy->n = NULL;
}
static int b43_nphy_op_init(struct b43_wldev *dev)
{
return b43_phy_initn(dev);
}
static inline void check_phyreg(struct b43_wldev *dev, u16 offset)
{
#if B43_DEBUG
if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) {
/* OFDM registers are onnly available on A/G-PHYs */
b43err(dev->wl, "Invalid OFDM PHY access at "
"0x%04X on N-PHY\n", offset);
dump_stack();
}
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 N-PHY\n", offset);
dump_stack();
}
#endif /* B43_DEBUG */
}
static u16 b43_nphy_op_read(struct b43_wldev *dev, u16 reg)
{
check_phyreg(dev, reg);
b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
return b43_read16(dev, B43_MMIO_PHY_DATA);
}
static void b43_nphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
{
check_phyreg(dev, reg);
b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
b43_write16(dev, B43_MMIO_PHY_DATA, value);
}
static u16 b43_nphy_op_radio_read(struct b43_wldev *dev, u16 reg)
{
/* Register 1 is a 32-bit register. */
B43_WARN_ON(reg == 1);
/* N-PHY needs 0x100 for read access */
reg |= 0x100;
b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
}
static void b43_nphy_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 void b43_nphy_op_software_rfkill(struct b43_wldev *dev,
bool blocked)
{//TODO
}
static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on)
{
b43_phy_write(dev, B43_NPHY_AFECTL_OVER,
on ? 0 : 0x7FFF);
}
static int b43_nphy_op_switch_channel(struct b43_wldev *dev,
unsigned int new_channel)
{
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
if ((new_channel < 1) || (new_channel > 14))
return -EINVAL;
} else {
if (new_channel > 200)
return -EINVAL;
}
return nphy_channel_switch(dev, new_channel);
}
static unsigned int b43_nphy_op_get_default_chan(struct b43_wldev *dev)
{
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
return 1;
return 36;
}
const struct b43_phy_operations b43_phyops_n = {
.allocate = b43_nphy_op_allocate,
.free = b43_nphy_op_free,
.prepare_structs = b43_nphy_op_prepare_structs,
.init = b43_nphy_op_init,
.phy_read = b43_nphy_op_read,
.phy_write = b43_nphy_op_write,
.radio_read = b43_nphy_op_radio_read,
.radio_write = b43_nphy_op_radio_write,
.software_rfkill = b43_nphy_op_software_rfkill,
.switch_analog = b43_nphy_op_switch_analog,
.switch_channel = b43_nphy_op_switch_channel,
.get_default_chan = b43_nphy_op_get_default_chan,
.recalc_txpower = b43_nphy_op_recalc_txpower,
.adjust_txpower = b43_nphy_op_adjust_txpower,
};