phy_n.c 145.1 KB
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/*

  Broadcom B43 wireless driver
  IEEE 802.11n PHY support

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Michael Büsch 已提交
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  Copyright (c) 2008 Michael Buesch <m@bues.ch>
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  Copyright (c) 2010-2011 Rafał Miłecki <zajec5@gmail.com>
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  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.

*/

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#include <linux/delay.h>
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#include <linux/slab.h>
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#include <linux/types.h>

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#include "b43.h"
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#include "phy_n.h"
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Michael Buesch 已提交
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#include "tables_nphy.h"
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#include "radio_2055.h"
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#include "radio_2056.h"
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#include "main.h"
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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;
};
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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,
};

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enum b43_nphy_rssi_type {
	B43_NPHY_RSSI_X = 0,
	B43_NPHY_RSSI_Y,
	B43_NPHY_RSSI_Z,
	B43_NPHY_RSSI_PWRDET,
	B43_NPHY_RSSI_TSSI_I,
	B43_NPHY_RSSI_TSSI_Q,
	B43_NPHY_RSSI_TBD,
};

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static inline bool b43_nphy_ipa(struct b43_wldev *dev)
{
	enum ieee80211_band band = b43_current_band(dev->wl);
	return ((dev->phy.n->ipa2g_on && band == IEEE80211_BAND_2GHZ) ||
		(dev->phy.n->ipa5g_on && band == IEEE80211_BAND_5GHZ));
}

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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCoreGetState */
static u8 b43_nphy_get_rx_core_state(struct b43_wldev *dev)
{
	return (b43_phy_read(dev, B43_NPHY_RFSEQCA) & B43_NPHY_RFSEQCA_RXEN) >>
		B43_NPHY_RFSEQCA_RXEN_SHIFT;
}

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/**************************************************
 * RF (just without b43_nphy_rf_control_intc_override)
 **************************************************/
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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ForceRFSeq */
static void b43_nphy_force_rf_sequence(struct b43_wldev *dev,
				       enum b43_nphy_rf_sequence seq)
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{
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	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;
	u16 seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
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	B43_WARN_ON(seq >= ARRAY_SIZE(trigger));
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	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_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
}
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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverride */
static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field,
						u16 value, u8 core, bool off)
{
	int i;
	u8 index = fls(field);
	u8 addr, en_addr, val_addr;
	/* we expect only one bit set */
	B43_WARN_ON(field & (~(1 << (index - 1))));
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	if (dev->phy.rev >= 3) {
		const struct nphy_rf_control_override_rev3 *rf_ctrl;
		for (i = 0; i < 2; i++) {
			if (index == 0 || index == 16) {
				b43err(dev->wl,
					"Unsupported RF Ctrl Override call\n");
				return;
			}
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			rf_ctrl = &tbl_rf_control_override_rev3[index - 1];
			en_addr = B43_PHY_N((i == 0) ?
				rf_ctrl->en_addr0 : rf_ctrl->en_addr1);
			val_addr = B43_PHY_N((i == 0) ?
				rf_ctrl->val_addr0 : rf_ctrl->val_addr1);
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			if (off) {
				b43_phy_mask(dev, en_addr, ~(field));
				b43_phy_mask(dev, val_addr,
						~(rf_ctrl->val_mask));
			} else {
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				if (core == 0 || ((1 << i) & core)) {
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					b43_phy_set(dev, en_addr, field);
					b43_phy_maskset(dev, val_addr,
						~(rf_ctrl->val_mask),
						(value << rf_ctrl->val_shift));
				}
			}
		}
	} else {
		const struct nphy_rf_control_override_rev2 *rf_ctrl;
		if (off) {
			b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~(field));
			value = 0;
		} else {
			b43_phy_set(dev, B43_NPHY_RFCTL_OVER, field);
		}
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		for (i = 0; i < 2; i++) {
			if (index <= 1 || index == 16) {
				b43err(dev->wl,
					"Unsupported RF Ctrl Override call\n");
				return;
			}
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			if (index == 2 || index == 10 ||
			    (index >= 13 && index <= 15)) {
				core = 1;
			}
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			rf_ctrl = &tbl_rf_control_override_rev2[index - 2];
			addr = B43_PHY_N((i == 0) ?
				rf_ctrl->addr0 : rf_ctrl->addr1);
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			if ((1 << i) & core)
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				b43_phy_maskset(dev, addr, ~(rf_ctrl->bmask),
						(value << rf_ctrl->shift));

			b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1);
			b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
					B43_NPHY_RFCTL_CMD_START);
			udelay(1);
			b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, 0xFFFE);
		}
	}
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}

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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlIntcOverride */
static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field,
						u16 value, u8 core)
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{
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	u8 i, j;
	u16 reg, tmp, val;
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	B43_WARN_ON(dev->phy.rev < 3);
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	B43_WARN_ON(field > 4);
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	for (i = 0; i < 2; i++) {
		if ((core == 1 && i == 1) || (core == 2 && !i))
			continue;
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		reg = (i == 0) ?
			B43_NPHY_RFCTL_INTC1 : B43_NPHY_RFCTL_INTC2;
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		b43_phy_set(dev, reg, 0x400);
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		switch (field) {
		case 0:
			b43_phy_write(dev, reg, 0);
			b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
			break;
		case 1:
			if (!i) {
				b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC1,
						0xFC3F, (value << 6));
				b43_phy_maskset(dev, B43_NPHY_TXF_40CO_B1S1,
						0xFFFE, 1);
				b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
						B43_NPHY_RFCTL_CMD_START);
				for (j = 0; j < 100; j++) {
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					if (!(b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_START)) {
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						j = 0;
						break;
					}
					udelay(10);
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				}
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				if (j)
					b43err(dev->wl,
						"intc override timeout\n");
				b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1,
						0xFFFE);
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			} else {
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				b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC2,
						0xFC3F, (value << 6));
				b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER,
						0xFFFE, 1);
				b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
						B43_NPHY_RFCTL_CMD_RXTX);
				for (j = 0; j < 100; j++) {
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					if (!(b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_RXTX)) {
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						j = 0;
						break;
					}
					udelay(10);
				}
				if (j)
					b43err(dev->wl,
						"intc override timeout\n");
				b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
						0xFFFE);
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			}
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			break;
		case 2:
			if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
				tmp = 0x0020;
				val = value << 5;
			} else {
				tmp = 0x0010;
				val = value << 4;
			}
			b43_phy_maskset(dev, reg, ~tmp, val);
			break;
		case 3:
			if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
				tmp = 0x0001;
				val = value;
			} else {
				tmp = 0x0004;
				val = value << 2;
			}
			b43_phy_maskset(dev, reg, ~tmp, val);
			break;
		case 4:
			if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
				tmp = 0x0002;
				val = value << 1;
			} else {
				tmp = 0x0008;
				val = value << 3;
			}
			b43_phy_maskset(dev, reg, ~tmp, val);
			break;
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		}
	}
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}
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/**************************************************
 * Various PHY ops
 **************************************************/

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
static void b43_nphy_write_clip_detection(struct b43_wldev *dev,
					  const u16 *clip_st)
{
	b43_phy_write(dev, B43_NPHY_C1_CLIP1THRES, clip_st[0]);
	b43_phy_write(dev, B43_NPHY_C2_CLIP1THRES, clip_st[1]);
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}

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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
static void b43_nphy_read_clip_detection(struct b43_wldev *dev, u16 *clip_st)
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{
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	clip_st[0] = b43_phy_read(dev, B43_NPHY_C1_CLIP1THRES);
	clip_st[1] = b43_phy_read(dev, B43_NPHY_C2_CLIP1THRES);
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}

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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/classifier */
static u16 b43_nphy_classifier(struct b43_wldev *dev, u16 mask, u16 val)
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{
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	u16 tmp;
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	if (dev->dev->core_rev == 16)
		b43_mac_suspend(dev);
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	tmp = b43_phy_read(dev, B43_NPHY_CLASSCTL);
	tmp &= (B43_NPHY_CLASSCTL_CCKEN | B43_NPHY_CLASSCTL_OFDMEN |
		B43_NPHY_CLASSCTL_WAITEDEN);
	tmp &= ~mask;
	tmp |= (val & mask);
	b43_phy_maskset(dev, B43_NPHY_CLASSCTL, 0xFFF8, tmp);
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	if (dev->dev->core_rev == 16)
		b43_mac_enable(dev);
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	return tmp;
}
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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CCA */
static void b43_nphy_reset_cca(struct b43_wldev *dev)
{
	u16 bbcfg;
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	b43_phy_force_clock(dev, 1);
	bbcfg = b43_phy_read(dev, B43_NPHY_BBCFG);
	b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg | B43_NPHY_BBCFG_RSTCCA);
	udelay(1);
	b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg & ~B43_NPHY_BBCFG_RSTCCA);
	b43_phy_force_clock(dev, 0);
	b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
}
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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/carriersearch */
static void b43_nphy_stay_in_carrier_search(struct b43_wldev *dev, bool enable)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_n *nphy = phy->n;
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	if (enable) {
		static const u16 clip[] = { 0xFFFF, 0xFFFF };
		if (nphy->deaf_count++ == 0) {
			nphy->classifier_state = b43_nphy_classifier(dev, 0, 0);
			b43_nphy_classifier(dev, 0x7, 0);
			b43_nphy_read_clip_detection(dev, nphy->clip_state);
			b43_nphy_write_clip_detection(dev, clip);
		}
		b43_nphy_reset_cca(dev);
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	} else {
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		if (--nphy->deaf_count == 0) {
			b43_nphy_classifier(dev, 0x7, nphy->classifier_state);
			b43_nphy_write_clip_detection(dev, nphy->clip_state);
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		}
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	}
}

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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/AdjustLnaGainTbl */
static void b43_nphy_adjust_lna_gain_table(struct b43_wldev *dev)
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{
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	struct b43_phy_n *nphy = dev->phy.n;

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	u8 i;
	s16 tmp;
	u16 data[4];
	s16 gain[2];
	u16 minmax[2];
	static const u16 lna_gain[4] = { -2, 10, 19, 25 };
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	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 1);

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	if (nphy->gain_boost) {
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		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
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			gain[0] = 6;
			gain[1] = 6;
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		} else {
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			tmp = 40370 - 315 * dev->phy.channel;
			gain[0] = ((tmp >> 13) + ((tmp >> 12) & 1));
			tmp = 23242 - 224 * dev->phy.channel;
			gain[1] = ((tmp >> 13) + ((tmp >> 12) & 1));
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		}
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	} else {
		gain[0] = 0;
		gain[1] = 0;
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	}

	for (i = 0; i < 2; i++) {
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		if (nphy->elna_gain_config) {
			data[0] = 19 + gain[i];
			data[1] = 25 + gain[i];
			data[2] = 25 + gain[i];
			data[3] = 25 + gain[i];
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		} else {
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			data[0] = lna_gain[0] + gain[i];
			data[1] = lna_gain[1] + gain[i];
			data[2] = lna_gain[2] + gain[i];
			data[3] = lna_gain[3] + gain[i];
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		}
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		b43_ntab_write_bulk(dev, B43_NTAB16(i, 8), 4, data);
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		minmax[i] = 23 + gain[i];
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	}

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	b43_phy_maskset(dev, B43_NPHY_C1_MINMAX_GAIN, ~B43_NPHY_C1_MINGAIN,
				minmax[0] << B43_NPHY_C1_MINGAIN_SHIFT);
	b43_phy_maskset(dev, B43_NPHY_C2_MINMAX_GAIN, ~B43_NPHY_C2_MINGAIN,
				minmax[1] << B43_NPHY_C2_MINGAIN_SHIFT);
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	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 0);
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}

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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRfSeq */
static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd,
					u8 *events, u8 *delays, u8 length)
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{
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	struct b43_phy_n *nphy = dev->phy.n;
	u8 i;
	u8 end = (dev->phy.rev >= 3) ? 0x1F : 0x0F;
	u16 offset1 = cmd << 4;
	u16 offset2 = offset1 + 0x80;
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	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, true);
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	b43_ntab_write_bulk(dev, B43_NTAB8(7, offset1), length, events);
	b43_ntab_write_bulk(dev, B43_NTAB8(7, offset2), length, delays);
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	for (i = length; i < 16; i++) {
		b43_ntab_write(dev, B43_NTAB8(7, offset1 + i), end);
		b43_ntab_write(dev, B43_NTAB8(7, offset2 + i), 1);
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	}
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	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, false);
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}
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/**************************************************
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 * Radio 0x2056
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 **************************************************/
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static void b43_chantab_radio_2056_upload(struct b43_wldev *dev,
				const struct b43_nphy_channeltab_entry_rev3 *e)
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Michael Buesch 已提交
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{
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	b43_radio_write(dev, B2056_SYN_PLL_VCOCAL1, e->radio_syn_pll_vcocal1);
	b43_radio_write(dev, B2056_SYN_PLL_VCOCAL2, e->radio_syn_pll_vcocal2);
	b43_radio_write(dev, B2056_SYN_PLL_REFDIV, e->radio_syn_pll_refdiv);
	b43_radio_write(dev, B2056_SYN_PLL_MMD2, e->radio_syn_pll_mmd2);
	b43_radio_write(dev, B2056_SYN_PLL_MMD1, e->radio_syn_pll_mmd1);
	b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1,
					e->radio_syn_pll_loopfilter1);
	b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2,
					e->radio_syn_pll_loopfilter2);
	b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER3,
					e->radio_syn_pll_loopfilter3);
	b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4,
					e->radio_syn_pll_loopfilter4);
	b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER5,
					e->radio_syn_pll_loopfilter5);
	b43_radio_write(dev, B2056_SYN_RESERVED_ADDR27,
					e->radio_syn_reserved_addr27);
	b43_radio_write(dev, B2056_SYN_RESERVED_ADDR28,
					e->radio_syn_reserved_addr28);
	b43_radio_write(dev, B2056_SYN_RESERVED_ADDR29,
					e->radio_syn_reserved_addr29);
	b43_radio_write(dev, B2056_SYN_LOGEN_VCOBUF1,
					e->radio_syn_logen_vcobuf1);
	b43_radio_write(dev, B2056_SYN_LOGEN_MIXER2, e->radio_syn_logen_mixer2);
	b43_radio_write(dev, B2056_SYN_LOGEN_BUF3, e->radio_syn_logen_buf3);
	b43_radio_write(dev, B2056_SYN_LOGEN_BUF4, e->radio_syn_logen_buf4);

	b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA_TUNE,
					e->radio_rx0_lnaa_tune);
	b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG_TUNE,
					e->radio_rx0_lnag_tune);

	b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAA_BOOST_TUNE,
					e->radio_tx0_intpaa_boost_tune);
	b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAG_BOOST_TUNE,
					e->radio_tx0_intpag_boost_tune);
	b43_radio_write(dev, B2056_TX0 | B2056_TX_PADA_BOOST_TUNE,
					e->radio_tx0_pada_boost_tune);
	b43_radio_write(dev, B2056_TX0 | B2056_TX_PADG_BOOST_TUNE,
					e->radio_tx0_padg_boost_tune);
	b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAA_BOOST_TUNE,
					e->radio_tx0_pgaa_boost_tune);
	b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAG_BOOST_TUNE,
					e->radio_tx0_pgag_boost_tune);
	b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXA_BOOST_TUNE,
					e->radio_tx0_mixa_boost_tune);
	b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXG_BOOST_TUNE,
					e->radio_tx0_mixg_boost_tune);

	b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA_TUNE,
					e->radio_rx1_lnaa_tune);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG_TUNE,
					e->radio_rx1_lnag_tune);

	b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAA_BOOST_TUNE,
					e->radio_tx1_intpaa_boost_tune);
	b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAG_BOOST_TUNE,
					e->radio_tx1_intpag_boost_tune);
	b43_radio_write(dev, B2056_TX1 | B2056_TX_PADA_BOOST_TUNE,
					e->radio_tx1_pada_boost_tune);
	b43_radio_write(dev, B2056_TX1 | B2056_TX_PADG_BOOST_TUNE,
					e->radio_tx1_padg_boost_tune);
	b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAA_BOOST_TUNE,
					e->radio_tx1_pgaa_boost_tune);
	b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAG_BOOST_TUNE,
					e->radio_tx1_pgag_boost_tune);
	b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXA_BOOST_TUNE,
					e->radio_tx1_mixa_boost_tune);
	b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXG_BOOST_TUNE,
					e->radio_tx1_mixg_boost_tune);
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}

540 541 542
/* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2056Setup */
static void b43_radio_2056_setup(struct b43_wldev *dev,
				const struct b43_nphy_channeltab_entry_rev3 *e)
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{
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	struct ssb_sprom *sprom = dev->dev->bus_sprom;
545 546 547 548
	enum ieee80211_band band = b43_current_band(dev->wl);
	u16 offset;
	u8 i;
	u16 bias, cbias, pag_boost, pgag_boost, mixg_boost, padg_boost;
549

550
	B43_WARN_ON(dev->phy.rev < 3);
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552
	b43_chantab_radio_2056_upload(dev, e);
553 554 555 556 557 558 559 560 561 562 563 564
	b2056_upload_syn_pll_cp2(dev, band == IEEE80211_BAND_5GHZ);

	if (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR &&
	    b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
		b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1F);
		b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1F);
		if (dev->dev->chip_id == 0x4716) {
			b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x14);
			b43_radio_write(dev, B2056_SYN_PLL_CP2, 0);
		} else {
			b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x0B);
			b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x14);
565
		}
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	}
567 568 569 570 571 572
	if (sprom->boardflags2_lo & B43_BFL2_APLL_WAR &&
	    b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
		b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1F);
		b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1F);
		b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x05);
		b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x0C);
573
	}
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575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633
	if (dev->phy.n->ipa2g_on && band == IEEE80211_BAND_2GHZ) {
		for (i = 0; i < 2; i++) {
			offset = i ? B2056_TX1 : B2056_TX0;
			if (dev->phy.rev >= 5) {
				b43_radio_write(dev,
					offset | B2056_TX_PADG_IDAC, 0xcc);

				if (dev->dev->chip_id == 0x4716) {
					bias = 0x40;
					cbias = 0x45;
					pag_boost = 0x5;
					pgag_boost = 0x33;
					mixg_boost = 0x55;
				} else {
					bias = 0x25;
					cbias = 0x20;
					pag_boost = 0x4;
					pgag_boost = 0x03;
					mixg_boost = 0x65;
				}
				padg_boost = 0x77;

				b43_radio_write(dev,
					offset | B2056_TX_INTPAG_IMAIN_STAT,
					bias);
				b43_radio_write(dev,
					offset | B2056_TX_INTPAG_IAUX_STAT,
					bias);
				b43_radio_write(dev,
					offset | B2056_TX_INTPAG_CASCBIAS,
					cbias);
				b43_radio_write(dev,
					offset | B2056_TX_INTPAG_BOOST_TUNE,
					pag_boost);
				b43_radio_write(dev,
					offset | B2056_TX_PGAG_BOOST_TUNE,
					pgag_boost);
				b43_radio_write(dev,
					offset | B2056_TX_PADG_BOOST_TUNE,
					padg_boost);
				b43_radio_write(dev,
					offset | B2056_TX_MIXG_BOOST_TUNE,
					mixg_boost);
			} else {
				bias = dev->phy.is_40mhz ? 0x40 : 0x20;
				b43_radio_write(dev,
					offset | B2056_TX_INTPAG_IMAIN_STAT,
					bias);
				b43_radio_write(dev,
					offset | B2056_TX_INTPAG_IAUX_STAT,
					bias);
				b43_radio_write(dev,
					offset | B2056_TX_INTPAG_CASCBIAS,
					0x30);
			}
			b43_radio_write(dev, offset | B2056_TX_PA_SPARE1, 0xee);
		}
	} else if (dev->phy.n->ipa5g_on && band == IEEE80211_BAND_5GHZ) {
		/* TODO */
634
	}
635

636 637 638 639 640 641 642 643
	udelay(50);
	/* VCO calibration */
	b43_radio_write(dev, B2056_SYN_PLL_VCOCAL12, 0x00);
	b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38);
	b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x18);
	b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38);
	b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x39);
	udelay(300);
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}

646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673
static void b43_radio_init2056_pre(struct b43_wldev *dev)
{
	b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
		     ~B43_NPHY_RFCTL_CMD_CHIP0PU);
	/* Maybe wl meant to reset and set (order?) RFCTL_CMD_OEPORFORCE? */
	b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
		     B43_NPHY_RFCTL_CMD_OEPORFORCE);
	b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
		    ~B43_NPHY_RFCTL_CMD_OEPORFORCE);
	b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
		    B43_NPHY_RFCTL_CMD_CHIP0PU);
}

static void b43_radio_init2056_post(struct b43_wldev *dev)
{
	b43_radio_set(dev, B2056_SYN_COM_CTRL, 0xB);
	b43_radio_set(dev, B2056_SYN_COM_PU, 0x2);
	b43_radio_set(dev, B2056_SYN_COM_RESET, 0x2);
	msleep(1);
	b43_radio_mask(dev, B2056_SYN_COM_RESET, ~0x2);
	b43_radio_mask(dev, B2056_SYN_PLL_MAST2, ~0xFC);
	b43_radio_mask(dev, B2056_SYN_RCCAL_CTRL0, ~0x1);
	/*
	if (nphy->init_por)
		Call Radio 2056 Recalibrate
	*/
}

674 675 676 677 678 679
/*
 * Initialize a Broadcom 2056 N-radio
 * http://bcm-v4.sipsolutions.net/802.11/Radio/2056/Init
 */
static void b43_radio_init2056(struct b43_wldev *dev)
{
680 681 682
	b43_radio_init2056_pre(dev);
	b2056_upload_inittabs(dev, 0, 0);
	b43_radio_init2056_post(dev);
683 684
}

685 686 687 688 689 690
/**************************************************
 * Radio 0x2055
 **************************************************/

static void b43_chantab_radio_upload(struct b43_wldev *dev,
				const struct b43_nphy_channeltab_entry_rev2 *e)
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{
692 693 694 695 696
	b43_radio_write(dev, B2055_PLL_REF, e->radio_pll_ref);
	b43_radio_write(dev, B2055_RF_PLLMOD0, e->radio_rf_pllmod0);
	b43_radio_write(dev, B2055_RF_PLLMOD1, e->radio_rf_pllmod1);
	b43_radio_write(dev, B2055_VCO_CAPTAIL, e->radio_vco_captail);
	b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
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698 699 700 701 702
	b43_radio_write(dev, B2055_VCO_CAL1, e->radio_vco_cal1);
	b43_radio_write(dev, B2055_VCO_CAL2, e->radio_vco_cal2);
	b43_radio_write(dev, B2055_PLL_LFC1, e->radio_pll_lfc1);
	b43_radio_write(dev, B2055_PLL_LFR1, e->radio_pll_lfr1);
	b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
703

704 705 706 707 708
	b43_radio_write(dev, B2055_PLL_LFC2, e->radio_pll_lfc2);
	b43_radio_write(dev, B2055_LGBUF_CENBUF, e->radio_lgbuf_cenbuf);
	b43_radio_write(dev, B2055_LGEN_TUNE1, e->radio_lgen_tune1);
	b43_radio_write(dev, B2055_LGEN_TUNE2, e->radio_lgen_tune2);
	b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
709

710 711 712 713 714
	b43_radio_write(dev, B2055_C1_LGBUF_ATUNE, e->radio_c1_lgbuf_atune);
	b43_radio_write(dev, B2055_C1_LGBUF_GTUNE, e->radio_c1_lgbuf_gtune);
	b43_radio_write(dev, B2055_C1_RX_RFR1, e->radio_c1_rx_rfr1);
	b43_radio_write(dev, B2055_C1_TX_PGAPADTN, e->radio_c1_tx_pgapadtn);
	b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
715

716 717 718 719 720
	b43_radio_write(dev, B2055_C1_TX_MXBGTRIM, e->radio_c1_tx_mxbgtrim);
	b43_radio_write(dev, B2055_C2_LGBUF_ATUNE, e->radio_c2_lgbuf_atune);
	b43_radio_write(dev, B2055_C2_LGBUF_GTUNE, e->radio_c2_lgbuf_gtune);
	b43_radio_write(dev, B2055_C2_RX_RFR1, e->radio_c2_rx_rfr1);
	b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
721

722 723
	b43_radio_write(dev, B2055_C2_TX_PGAPADTN, e->radio_c2_tx_pgapadtn);
	b43_radio_write(dev, B2055_C2_TX_MXBGTRIM, e->radio_c2_tx_mxbgtrim);
724 725
}

726 727 728
/* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2055Setup */
static void b43_radio_2055_setup(struct b43_wldev *dev,
				const struct b43_nphy_channeltab_entry_rev2 *e)
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{
730
	B43_WARN_ON(dev->phy.rev >= 3);
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732 733 734 735 736 737 738
	b43_chantab_radio_upload(dev, e);
	udelay(50);
	b43_radio_write(dev, B2055_VCO_CAL10, 0x05);
	b43_radio_write(dev, B2055_VCO_CAL10, 0x45);
	b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
	b43_radio_write(dev, B2055_VCO_CAL10, 0x65);
	udelay(300);
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Michael Buesch 已提交
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}

741
static void b43_radio_init2055_pre(struct b43_wldev *dev)
742
{
743 744 745 746 747 748 749
	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);
750 751
}

752
static void b43_radio_init2055_post(struct b43_wldev *dev)
753 754
{
	struct b43_phy_n *nphy = dev->phy.n;
755
	struct ssb_sprom *sprom = dev->dev->bus_sprom;
756
	int i;
757 758
	u16 val;
	bool workaround = false;
759

760 761 762 763
	if (sprom->revision < 4)
		workaround = (dev->dev->board_vendor != PCI_VENDOR_ID_BROADCOM
			      && dev->dev->board_type == 0x46D
			      && dev->dev->board_rev >= 0x41);
764
	else
765 766
		workaround =
			!(sprom->boardflags2_lo & B43_BFL2_RXBB_INT_REG_DIS);
767

768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784
	b43_radio_mask(dev, B2055_MASTER1, 0xFFF3);
	if (workaround) {
		b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
		b43_radio_mask(dev, B2055_C2_RX_BB_REG, 0x7F);
	}
	b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0xFFC0, 0x2C);
	b43_radio_write(dev, B2055_CAL_MISC, 0x3C);
	b43_radio_mask(dev, B2055_CAL_MISC, 0xFFBE);
	b43_radio_set(dev, B2055_CAL_LPOCTL, 0x80);
	b43_radio_set(dev, B2055_CAL_MISC, 0x1);
	msleep(1);
	b43_radio_set(dev, B2055_CAL_MISC, 0x40);
	for (i = 0; i < 200; i++) {
		val = b43_radio_read(dev, B2055_CAL_COUT2);
		if (val & 0x80) {
			i = 0;
			break;
785 786 787
		}
		udelay(10);
	}
788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805
	if (i)
		b43err(dev->wl, "radio post init timeout\n");
	b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F);
	b43_switch_channel(dev, dev->phy.channel);
	b43_radio_write(dev, B2055_C1_RX_BB_LPF, 0x9);
	b43_radio_write(dev, B2055_C2_RX_BB_LPF, 0x9);
	b43_radio_write(dev, B2055_C1_RX_BB_MIDACHP, 0x83);
	b43_radio_write(dev, B2055_C2_RX_BB_MIDACHP, 0x83);
	b43_radio_maskset(dev, B2055_C1_LNA_GAINBST, 0xFFF8, 0x6);
	b43_radio_maskset(dev, B2055_C2_LNA_GAINBST, 0xFFF8, 0x6);
	if (!nphy->gain_boost) {
		b43_radio_set(dev, B2055_C1_RX_RFSPC1, 0x2);
		b43_radio_set(dev, B2055_C2_RX_RFSPC1, 0x2);
	} else {
		b43_radio_mask(dev, B2055_C1_RX_RFSPC1, 0xFFFD);
		b43_radio_mask(dev, B2055_C2_RX_RFSPC1, 0xFFFD);
	}
	udelay(2);
806 807
}

808 809 810 811 812
/*
 * Initialize a Broadcom 2055 N-radio
 * http://bcm-v4.sipsolutions.net/802.11/Radio/2055/Init
 */
static void b43_radio_init2055(struct b43_wldev *dev)
813
{
814 815 816 817
	b43_radio_init2055_pre(dev);
	if (b43_status(dev) < B43_STAT_INITIALIZED) {
		/* Follow wl, not specs. Do not force uploading all regs */
		b2055_upload_inittab(dev, 0, 0);
818
	} else {
819 820
		bool ghz5 = b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ;
		b2055_upload_inittab(dev, ghz5, 0);
821
	}
822
	b43_radio_init2055_post(dev);
823 824
}

825 826 827
/**************************************************
 * Samples
 **************************************************/
828

829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/LoadSampleTable */
static int b43_nphy_load_samples(struct b43_wldev *dev,
					struct b43_c32 *samples, u16 len) {
	struct b43_phy_n *nphy = dev->phy.n;
	u16 i;
	u32 *data;

	data = kzalloc(len * sizeof(u32), GFP_KERNEL);
	if (!data) {
		b43err(dev->wl, "allocation for samples loading failed\n");
		return -ENOMEM;
	}
	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 1);

	for (i = 0; i < len; i++) {
		data[i] = (samples[i].i & 0x3FF << 10);
		data[i] |= samples[i].q & 0x3FF;
	}
	b43_ntab_write_bulk(dev, B43_NTAB32(17, 0), len, data);

	kfree(data);
	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 0);
	return 0;
854 855
}

856 857 858
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GenLoadSamples */
static u16 b43_nphy_gen_load_samples(struct b43_wldev *dev, u32 freq, u16 max,
					bool test)
859
{
860 861 862
	int i;
	u16 bw, len, rot, angle;
	struct b43_c32 *samples;
863 864


865 866
	bw = (dev->phy.is_40mhz) ? 40 : 20;
	len = bw << 3;
867

868 869 870 871 872
	if (test) {
		if (b43_phy_read(dev, B43_NPHY_BBCFG) & B43_NPHY_BBCFG_RSTRX)
			bw = 82;
		else
			bw = 80;
873

874 875 876 877
		if (dev->phy.is_40mhz)
			bw <<= 1;

		len = bw << 1;
878 879
	}

880 881 882 883 884 885 886
	samples = kcalloc(len, sizeof(struct b43_c32), GFP_KERNEL);
	if (!samples) {
		b43err(dev->wl, "allocation for samples generation failed\n");
		return 0;
	}
	rot = (((freq * 36) / bw) << 16) / 100;
	angle = 0;
887

888 889 890 891 892
	for (i = 0; i < len; i++) {
		samples[i] = b43_cordic(angle);
		angle += rot;
		samples[i].q = CORDIC_CONVERT(samples[i].q * max);
		samples[i].i = CORDIC_CONVERT(samples[i].i * max);
893
	}
894 895 896 897

	i = b43_nphy_load_samples(dev, samples, len);
	kfree(samples);
	return (i < 0) ? 0 : len;
898 899
}

900 901 902
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RunSamples */
static void b43_nphy_run_samples(struct b43_wldev *dev, u16 samps, u16 loops,
					u16 wait, bool iqmode, bool dac_test)
903
{
904
	struct b43_phy_n *nphy = dev->phy.n;
905
	int i;
906 907
	u16 seq_mode;
	u32 tmp;
908

909 910
	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, true);
911

912 913 914 915
	if ((nphy->bb_mult_save & 0x80000000) == 0) {
		tmp = b43_ntab_read(dev, B43_NTAB16(15, 87));
		nphy->bb_mult_save = (tmp & 0xFFFF) | 0x80000000;
	}
916

917 918 919 920 921
	if (!dev->phy.is_40mhz)
		tmp = 0x6464;
	else
		tmp = 0x4747;
	b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
922

923 924
	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, false);
925

926
	b43_phy_write(dev, B43_NPHY_SAMP_DEPCNT, (samps - 1));
927

928 929 930 931
	if (loops != 0xFFFF)
		b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, (loops - 1));
	else
		b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, loops);
932

933
	b43_phy_write(dev, B43_NPHY_SAMP_WAITCNT, wait);
934

935
	seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
936

937 938 939 940 941 942 943 944 945 946 947
	b43_phy_set(dev, B43_NPHY_RFSEQMODE, B43_NPHY_RFSEQMODE_CAOVER);
	if (iqmode) {
		b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
		b43_phy_set(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8000);
	} else {
		if (dac_test)
			b43_phy_write(dev, B43_NPHY_SAMP_CMD, 5);
		else
			b43_phy_write(dev, B43_NPHY_SAMP_CMD, 1);
	}
	for (i = 0; i < 100; i++) {
948
		if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & 1)) {
949 950
			i = 0;
			break;
951
		}
952
		udelay(10);
953
	}
954 955
	if (i)
		b43err(dev->wl, "run samples timeout\n");
956

957
	b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
958 959
}

960 961 962 963 964 965 966 967
/**************************************************
 * RSSI
 **************************************************/

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ScaleOffsetRssi */
static void b43_nphy_scale_offset_rssi(struct b43_wldev *dev, u16 scale,
					s8 offset, u8 core, u8 rail,
					enum b43_nphy_rssi_type type)
968
{
969 970 971
	u16 tmp;
	bool core1or5 = (core == 1) || (core == 5);
	bool core2or5 = (core == 2) || (core == 5);
972

973 974
	offset = clamp_val(offset, -32, 31);
	tmp = ((scale & 0x3F) << 8) | (offset & 0x3F);
975

976 977 978 979 980 981 982 983
	if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_Z))
		b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, tmp);
	if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_Z))
		b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, tmp);
	if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_Z))
		b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, tmp);
	if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_Z))
		b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, tmp);
984

985 986 987 988 989 990 991 992
	if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_X))
		b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, tmp);
	if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_X))
		b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, tmp);
	if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_X))
		b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, tmp);
	if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_X))
		b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, tmp);
993

994 995 996 997 998 999 1000 1001
	if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_Y))
		b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, tmp);
	if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_Y))
		b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, tmp);
	if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_Y))
		b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, tmp);
	if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_Y))
		b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, tmp);
1002

1003 1004 1005 1006 1007 1008 1009 1010
	if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_TBD))
		b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TBD, tmp);
	if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_TBD))
		b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TBD, tmp);
	if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_TBD))
		b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TBD, tmp);
	if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_TBD))
		b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TBD, tmp);
1011

1012 1013 1014 1015 1016 1017 1018 1019
	if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_PWRDET))
		b43_phy_write(dev, B43_NPHY_RSSIMC_0I_PWRDET, tmp);
	if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_PWRDET))
		b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_PWRDET, tmp);
	if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_PWRDET))
		b43_phy_write(dev, B43_NPHY_RSSIMC_1I_PWRDET, tmp);
	if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_PWRDET))
		b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_PWRDET, tmp);
1020

1021 1022 1023 1024 1025 1026 1027 1028 1029
	if (core1or5 && (type == B43_NPHY_RSSI_TSSI_I))
		b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TSSI, tmp);
	if (core2or5 && (type == B43_NPHY_RSSI_TSSI_I))
		b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TSSI, tmp);

	if (core1or5 && (type == B43_NPHY_RSSI_TSSI_Q))
		b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TSSI, tmp);
	if (core2or5 && (type == B43_NPHY_RSSI_TSSI_Q))
		b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TSSI, tmp);
1030 1031
}

1032
static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
1033
{
1034 1035
	u8 i;
	u16 reg, val;
1036

1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049
	if (code == 0) {
		b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, 0xFDFF);
		b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, 0xFDFF);
		b43_phy_mask(dev, B43_NPHY_AFECTL_C1, 0xFCFF);
		b43_phy_mask(dev, B43_NPHY_AFECTL_C2, 0xFCFF);
		b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S0, 0xFFDF);
		b43_phy_mask(dev, B43_NPHY_TXF_40CO_B32S1, 0xFFDF);
		b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0xFFC3);
		b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0xFFC3);
	} else {
		for (i = 0; i < 2; i++) {
			if ((code == 1 && i == 1) || (code == 2 && !i))
				continue;
1050

1051 1052 1053
			reg = (i == 0) ?
				B43_NPHY_AFECTL_OVER1 : B43_NPHY_AFECTL_OVER;
			b43_phy_maskset(dev, reg, 0xFDFF, 0x0200);
1054

1055 1056 1057 1058 1059
			if (type < 3) {
				reg = (i == 0) ?
					B43_NPHY_AFECTL_C1 :
					B43_NPHY_AFECTL_C2;
				b43_phy_maskset(dev, reg, 0xFCFF, 0);
1060

1061 1062 1063 1064
				reg = (i == 0) ?
					B43_NPHY_RFCTL_LUT_TRSW_UP1 :
					B43_NPHY_RFCTL_LUT_TRSW_UP2;
				b43_phy_maskset(dev, reg, 0xFFC3, 0);
1065

1066 1067 1068 1069 1070 1071 1072
				if (type == 0)
					val = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 4 : 8;
				else if (type == 1)
					val = 16;
				else
					val = 32;
				b43_phy_set(dev, reg, val);
1073

1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084
				reg = (i == 0) ?
					B43_NPHY_TXF_40CO_B1S0 :
					B43_NPHY_TXF_40CO_B32S1;
				b43_phy_set(dev, reg, 0x0020);
			} else {
				if (type == 6)
					val = 0x0100;
				else if (type == 3)
					val = 0x0200;
				else
					val = 0x0300;
1085

1086 1087 1088
				reg = (i == 0) ?
					B43_NPHY_AFECTL_C1 :
					B43_NPHY_AFECTL_C2;
1089

1090 1091
				b43_phy_maskset(dev, reg, 0xFCFF, val);
				b43_phy_maskset(dev, reg, 0xF3FF, val << 2);
1092

1093 1094 1095
				if (type != 3 && type != 6) {
					enum ieee80211_band band =
						b43_current_band(dev->wl);
1096

1097 1098 1099 1100 1101 1102 1103
					if (b43_nphy_ipa(dev))
						val = (band == IEEE80211_BAND_5GHZ) ? 0xC : 0xE;
					else
						val = 0x11;
					reg = (i == 0) ? 0x2000 : 0x3000;
					reg |= B2055_PADDRV;
					b43_radio_write16(dev, reg, val);
1104

1105 1106 1107 1108 1109 1110 1111
					reg = (i == 0) ?
						B43_NPHY_AFECTL_OVER1 :
						B43_NPHY_AFECTL_OVER;
					b43_phy_set(dev, reg, 0x0200);
				}
			}
		}
1112 1113 1114
	}
}

1115
static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
1116
{
1117
	u16 val;
1118

1119 1120 1121 1122 1123 1124 1125 1126
	if (type < 3)
		val = 0;
	else if (type == 6)
		val = 1;
	else if (type == 3)
		val = 2;
	else
		val = 3;
1127

1128 1129 1130
	val = (val << 12) | (val << 14);
	b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, val);
	b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, val);
1131

1132 1133 1134 1135 1136
	if (type < 3) {
		b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO1, 0xFFCF,
				(type + 1) << 4);
		b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO2, 0xFFCF,
				(type + 1) << 4);
1137 1138
	}

1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171
	if (code == 0) {
		b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x3000);
		if (type < 3) {
			b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
				~(B43_NPHY_RFCTL_CMD_RXEN |
				  B43_NPHY_RFCTL_CMD_CORESEL));
			b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
				~(0x1 << 12 |
				  0x1 << 5 |
				  0x1 << 1 |
				  0x1));
			b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
				~B43_NPHY_RFCTL_CMD_START);
			udelay(20);
			b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
		}
	} else {
		b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x3000);
		if (type < 3) {
			b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD,
				~(B43_NPHY_RFCTL_CMD_RXEN |
				  B43_NPHY_RFCTL_CMD_CORESEL),
				(B43_NPHY_RFCTL_CMD_RXEN |
				 code << B43_NPHY_RFCTL_CMD_CORESEL_SHIFT));
			b43_phy_set(dev, B43_NPHY_RFCTL_OVER,
				(0x1 << 12 |
				  0x1 << 5 |
				  0x1 << 1 |
				  0x1));
			b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
				B43_NPHY_RFCTL_CMD_START);
			udelay(20);
			b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
1172 1173 1174 1175
		}
	}
}

1176 1177
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSISel */
static void b43_nphy_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
R
Rafał Miłecki 已提交
1178
{
1179 1180 1181 1182 1183
	if (dev->phy.rev >= 3)
		b43_nphy_rev3_rssi_select(dev, code, type);
	else
		b43_nphy_rev2_rssi_select(dev, code, type);
}
R
Rafał Miłecki 已提交
1184

1185 1186 1187 1188
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRssi2055Vcm */
static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev, u8 type, u8 *buf)
{
	int i;
R
Rafał Miłecki 已提交
1189
	for (i = 0; i < 2; i++) {
1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201
		if (type == 2) {
			if (i == 0) {
				b43_radio_maskset(dev, B2055_C1_B0NB_RSSIVCM,
						  0xFC, buf[0]);
				b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
						  0xFC, buf[1]);
			} else {
				b43_radio_maskset(dev, B2055_C2_B0NB_RSSIVCM,
						  0xFC, buf[2 * i]);
				b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
						  0xFC, buf[2 * i + 1]);
			}
R
Rafał Miłecki 已提交
1202
		} else {
1203 1204 1205 1206 1207 1208
			if (i == 0)
				b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
						  0xF3, buf[0] << 2);
			else
				b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
						  0xF3, buf[2 * i + 1] << 2);
R
Rafał Miłecki 已提交
1209 1210 1211 1212
		}
	}
}

1213 1214 1215
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PollRssi */
static int b43_nphy_poll_rssi(struct b43_wldev *dev, u8 type, s32 *buf,
				u8 nsamp)
1216
{
1217 1218 1219 1220
	int i;
	int out;
	u16 save_regs_phy[9];
	u16 s[2];
1221 1222

	if (dev->phy.rev >= 3) {
1223 1224 1225
		save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
		save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
		save_regs_phy[2] = b43_phy_read(dev,
1226
						B43_NPHY_RFCTL_LUT_TRSW_UP1);
1227
		save_regs_phy[3] = b43_phy_read(dev,
1228 1229 1230 1231 1232 1233
						B43_NPHY_RFCTL_LUT_TRSW_UP2);
		save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
		save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
		save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S0);
		save_regs_phy[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B32S1);
		save_regs_phy[8] = 0;
1234
	} else {
1235 1236 1237 1238 1239 1240 1241 1242 1243 1244
		save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
		save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
		save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
		save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_RFCTL_CMD);
		save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
		save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
		save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
		save_regs_phy[7] = 0;
		save_regs_phy[8] = 0;
	}
1245

1246
	b43_nphy_rssi_select(dev, 5, type);
1247

1248 1249 1250 1251
	if (dev->phy.rev < 2) {
		save_regs_phy[8] = b43_phy_read(dev, B43_NPHY_GPIO_SEL);
		b43_phy_write(dev, B43_NPHY_GPIO_SEL, 5);
	}
1252

1253 1254 1255 1256 1257 1258 1259
	for (i = 0; i < 4; i++)
		buf[i] = 0;

	for (i = 0; i < nsamp; i++) {
		if (dev->phy.rev < 2) {
			s[0] = b43_phy_read(dev, B43_NPHY_GPIO_LOOUT);
			s[1] = b43_phy_read(dev, B43_NPHY_GPIO_HIOUT);
1260
		} else {
1261 1262
			s[0] = b43_phy_read(dev, B43_NPHY_RSSI1);
			s[1] = b43_phy_read(dev, B43_NPHY_RSSI2);
1263 1264
		}

1265 1266 1267 1268 1269 1270 1271
		buf[0] += ((s8)((s[0] & 0x3F) << 2)) >> 2;
		buf[1] += ((s8)(((s[0] >> 8) & 0x3F) << 2)) >> 2;
		buf[2] += ((s8)((s[1] & 0x3F) << 2)) >> 2;
		buf[3] += ((s8)(((s[1] >> 8) & 0x3F) << 2)) >> 2;
	}
	out = (buf[0] & 0xFF) << 24 | (buf[1] & 0xFF) << 16 |
		(buf[2] & 0xFF) << 8 | (buf[3] & 0xFF);
1272

1273 1274
	if (dev->phy.rev < 2)
		b43_phy_write(dev, B43_NPHY_GPIO_SEL, save_regs_phy[8]);
1275

1276
	if (dev->phy.rev >= 3) {
1277 1278
		b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]);
		b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]);
1279
		b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1,
1280
				save_regs_phy[2]);
1281
		b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2,
1282
				save_regs_phy[3]);
1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, save_regs_phy[4]);
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[5]);
		b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, save_regs_phy[6]);
		b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, save_regs_phy[7]);
	} else {
		b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]);
		b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]);
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[2]);
		b43_phy_write(dev, B43_NPHY_RFCTL_CMD, save_regs_phy[3]);
		b43_phy_write(dev, B43_NPHY_RFCTL_OVER, save_regs_phy[4]);
		b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, save_regs_phy[5]);
		b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, save_regs_phy[6]);
	}
1296

1297 1298
	return out;
}
1299

1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICalRev3 */
static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;

	u16 saved_regs_phy_rfctl[2];
	u16 saved_regs_phy[13];
	u16 regs_to_store[] = {
		B43_NPHY_AFECTL_OVER1, B43_NPHY_AFECTL_OVER,
		B43_NPHY_AFECTL_C1, B43_NPHY_AFECTL_C2,
		B43_NPHY_TXF_40CO_B1S1, B43_NPHY_RFCTL_OVER,
		B43_NPHY_TXF_40CO_B1S0, B43_NPHY_TXF_40CO_B32S1,
		B43_NPHY_RFCTL_CMD,
		B43_NPHY_RFCTL_LUT_TRSW_UP1, B43_NPHY_RFCTL_LUT_TRSW_UP2,
		B43_NPHY_RFCTL_RSSIO1, B43_NPHY_RFCTL_RSSIO2
	};

	u16 class;

	u16 clip_state[2];
	u16 clip_off[2] = { 0xFFFF, 0xFFFF };

	u8 vcm_final = 0;
	s8 offset[4];
	s32 results[8][4] = { };
	s32 results_min[4] = { };
	s32 poll_results[4] = { };

	u16 *rssical_radio_regs = NULL;
	u16 *rssical_phy_regs = NULL;

	u16 r; /* routing */
	u8 rx_core_state;
	u8 core, i, j;

	class = b43_nphy_classifier(dev, 0, 0);
	b43_nphy_classifier(dev, 7, 4);
	b43_nphy_read_clip_detection(dev, clip_state);
	b43_nphy_write_clip_detection(dev, clip_off);

	saved_regs_phy_rfctl[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
	saved_regs_phy_rfctl[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
	for (i = 0; i < ARRAY_SIZE(regs_to_store); i++)
		saved_regs_phy[i] = b43_phy_read(dev, regs_to_store[i]);

	b43_nphy_rf_control_intc_override(dev, 0, 0, 7);
	b43_nphy_rf_control_intc_override(dev, 1, 1, 7);
	b43_nphy_rf_control_override(dev, 0x1, 0, 0, false);
	b43_nphy_rf_control_override(dev, 0x2, 1, 0, false);
	b43_nphy_rf_control_override(dev, 0x80, 1, 0, false);
	b43_nphy_rf_control_override(dev, 0x40, 1, 0, false);

	if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
		b43_nphy_rf_control_override(dev, 0x20, 0, 0, false);
		b43_nphy_rf_control_override(dev, 0x10, 1, 0, false);
	} else {
		b43_nphy_rf_control_override(dev, 0x10, 0, 0, false);
		b43_nphy_rf_control_override(dev, 0x20, 1, 0, false);
	}

	rx_core_state = b43_nphy_get_rx_core_state(dev);
	for (core = 0; core < 2; core++) {
		if (!(rx_core_state & (1 << core)))
			continue;
		r = core ? B2056_RX1 : B2056_RX0;
		b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, 0, 2);
		b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, 1, 2);
		for (i = 0; i < 8; i++) {
			b43_radio_maskset(dev, r | B2056_RX_RSSI_MISC, 0xE3,
					i << 2);
			b43_nphy_poll_rssi(dev, 2, results[i], 8);
		}
1372
		for (i = 0; i < 4; i += 2) {
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			s32 curr;
			s32 mind = 40;
			s32 minpoll = 249;
			u8 minvcm = 0;
			if (2 * core != i)
				continue;
			for (j = 0; j < 8; j++) {
				curr = results[j][i] * results[j][i] +
					results[j][i + 1] * results[j][i];
				if (curr < mind) {
					mind = curr;
					minvcm = j;
				}
				if (results[j][i] < minpoll)
					minpoll = results[j][i];
			}
			vcm_final = minvcm;
			results_min[i] = minpoll;
		}
		b43_radio_maskset(dev, r | B2056_RX_RSSI_MISC, 0xE3,
				  vcm_final << 2);
		for (i = 0; i < 4; i++) {
			if (core != i / 2)
				continue;
			offset[i] = -results[vcm_final][i];
			if (offset[i] < 0)
				offset[i] = -((abs(offset[i]) + 4) / 8);
			else
				offset[i] = (offset[i] + 4) / 8;
			if (results_min[i] == 248)
				offset[i] = -32;
			b43_nphy_scale_offset_rssi(dev, 0, offset[i],
						   (i / 2 == 0) ? 1 : 2,
						   (i % 2 == 0) ? 0 : 1,
						   2);
		}
	}
	for (core = 0; core < 2; core++) {
		if (!(rx_core_state & (1 << core)))
			continue;
		for (i = 0; i < 2; i++) {
			b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, 0, i);
			b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, 1, i);
			b43_nphy_poll_rssi(dev, i, poll_results, 8);
			for (j = 0; j < 4; j++) {
1418
				if (j / 2 == core) {
1419
					offset[j] = 232 - poll_results[j];
1420 1421 1422 1423 1424 1425 1426
					if (offset[j] < 0)
						offset[j] = -(abs(offset[j] + 4) / 8);
					else
						offset[j] = (offset[j] + 4) / 8;
					b43_nphy_scale_offset_rssi(dev, 0,
						offset[2 * core], core + 1, j % 2, i);
				}
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			}
		}
	}

	b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, saved_regs_phy_rfctl[0]);
	b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, saved_regs_phy_rfctl[1]);

	b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);

	b43_phy_set(dev, B43_NPHY_TXF_40CO_B1S1, 0x1);
	b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_START);
	b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1, ~0x1);

	b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1);
	b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_RXTX);
	b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1, ~0x1);

	for (i = 0; i < ARRAY_SIZE(regs_to_store); i++)
		b43_phy_write(dev, regs_to_store[i], saved_regs_phy[i]);

	/* Store for future configuration */
	if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
		rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
		rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
	} else {
		rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
		rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
	}
	rssical_radio_regs[0] = b43_radio_read(dev, 0x602B);
	rssical_radio_regs[0] = b43_radio_read(dev, 0x702B);
	rssical_phy_regs[0] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_Z);
	rssical_phy_regs[1] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z);
	rssical_phy_regs[2] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_Z);
	rssical_phy_regs[3] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z);
	rssical_phy_regs[4] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_X);
	rssical_phy_regs[5] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_X);
	rssical_phy_regs[6] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_X);
	rssical_phy_regs[7] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_X);
	rssical_phy_regs[8] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_Y);
	rssical_phy_regs[9] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y);
	rssical_phy_regs[10] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_Y);
	rssical_phy_regs[11] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y);

	/* Remember for which channel we store configuration */
	if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
		nphy->rssical_chanspec_2G.center_freq = dev->phy.channel_freq;
	else
		nphy->rssical_chanspec_5G.center_freq = dev->phy.channel_freq;

	/* End of calibration, restore configuration */
	b43_nphy_classifier(dev, 7, class);
	b43_nphy_write_clip_detection(dev, clip_state);
}

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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */
static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
{
	int i, j;
	u8 state[4];
	u8 code, val;
	u16 class, override;
	u8 regs_save_radio[2];
	u16 regs_save_phy[2];

	s8 offset[4];
	u8 core;
	u8 rail;

	u16 clip_state[2];
	u16 clip_off[2] = { 0xFFFF, 0xFFFF };
	s32 results_min[4] = { };
	u8 vcm_final[4] = { };
	s32 results[4][4] = { };
	s32 miniq[4][2] = { };

	if (type == 2) {
		code = 0;
		val = 6;
	} else if (type < 2) {
		code = 25;
		val = 4;
	} else {
		B43_WARN_ON(1);
		return;
	}

	class = b43_nphy_classifier(dev, 0, 0);
	b43_nphy_classifier(dev, 7, 4);
	b43_nphy_read_clip_detection(dev, clip_state);
	b43_nphy_write_clip_detection(dev, clip_off);

	if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
		override = 0x140;
	else
		override = 0x110;

	regs_save_phy[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
	regs_save_radio[0] = b43_radio_read16(dev, B2055_C1_PD_RXTX);
	b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, override);
	b43_radio_write16(dev, B2055_C1_PD_RXTX, val);

	regs_save_phy[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
	regs_save_radio[1] = b43_radio_read16(dev, B2055_C2_PD_RXTX);
	b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, override);
	b43_radio_write16(dev, B2055_C2_PD_RXTX, val);

	state[0] = b43_radio_read16(dev, B2055_C1_PD_RSSIMISC) & 0x07;
	state[1] = b43_radio_read16(dev, B2055_C2_PD_RSSIMISC) & 0x07;
	b43_radio_mask(dev, B2055_C1_PD_RSSIMISC, 0xF8);
	b43_radio_mask(dev, B2055_C2_PD_RSSIMISC, 0xF8);
	state[2] = b43_radio_read16(dev, B2055_C1_SP_RSSI) & 0x07;
	state[3] = b43_radio_read16(dev, B2055_C2_SP_RSSI) & 0x07;

	b43_nphy_rssi_select(dev, 5, type);
	b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 0, type);
	b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 1, type);

	for (i = 0; i < 4; i++) {
		u8 tmp[4];
		for (j = 0; j < 4; j++)
			tmp[j] = i;
		if (type != 1)
			b43_nphy_set_rssi_2055_vcm(dev, type, tmp);
		b43_nphy_poll_rssi(dev, type, results[i], 8);
		if (type < 2)
			for (j = 0; j < 2; j++)
				miniq[i][j] = min(results[i][2 * j],
						results[i][2 * j + 1]);
	}

	for (i = 0; i < 4; i++) {
		s32 mind = 40;
		u8 minvcm = 0;
		s32 minpoll = 249;
		s32 curr;
		for (j = 0; j < 4; j++) {
			if (type == 2)
				curr = abs(results[j][i]);
			else
				curr = abs(miniq[j][i / 2] - code * 8);

			if (curr < mind) {
				mind = curr;
				minvcm = j;
			}

			if (results[j][i] < minpoll)
				minpoll = results[j][i];
1575
		}
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		results_min[i] = minpoll;
		vcm_final[i] = minvcm;
	}
1579

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	if (type != 1)
		b43_nphy_set_rssi_2055_vcm(dev, type, vcm_final);
1582

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	for (i = 0; i < 4; i++) {
		offset[i] = (code * 8) - results[vcm_final[i]][i];

		if (offset[i] < 0)
			offset[i] = -((abs(offset[i]) + 4) / 8);
		else
			offset[i] = (offset[i] + 4) / 8;

		if (results_min[i] == 248)
			offset[i] = code - 32;

		core = (i / 2) ? 2 : 1;
		rail = (i % 2) ? 1 : 0;

		b43_nphy_scale_offset_rssi(dev, 0, offset[i], core, rail,
						type);
	}

	b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[0]);
	b43_radio_maskset(dev, B2055_C2_PD_RSSIMISC, 0xF8, state[1]);

	switch (state[2]) {
	case 1:
		b43_nphy_rssi_select(dev, 1, 2);
		break;
	case 4:
		b43_nphy_rssi_select(dev, 1, 0);
		break;
	case 2:
		b43_nphy_rssi_select(dev, 1, 1);
		break;
	default:
		b43_nphy_rssi_select(dev, 1, 1);
		break;
	}

	switch (state[3]) {
	case 1:
		b43_nphy_rssi_select(dev, 2, 2);
		break;
	case 4:
		b43_nphy_rssi_select(dev, 2, 0);
		break;
	default:
		b43_nphy_rssi_select(dev, 2, 1);
		break;
	}

	b43_nphy_rssi_select(dev, 0, type);

	b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs_save_phy[0]);
	b43_radio_write16(dev, B2055_C1_PD_RXTX, regs_save_radio[0]);
	b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs_save_phy[1]);
	b43_radio_write16(dev, B2055_C2_PD_RXTX, regs_save_radio[1]);

	b43_nphy_classifier(dev, 7, class);
	b43_nphy_write_clip_detection(dev, clip_state);
	/* Specs don't say about reset here, but it makes wl and b43 dumps
	   identical, it really seems wl performs this */
	b43_nphy_reset_cca(dev);
}

/*
 * RSSI Calibration
 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal
 */
static void b43_nphy_rssi_cal(struct b43_wldev *dev)
{
	if (dev->phy.rev >= 3) {
		b43_nphy_rev3_rssi_cal(dev);
	} else {
		b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_Z);
		b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_X);
		b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_Y);
	}
}

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/**************************************************
 * Workarounds
 **************************************************/

static void b43_nphy_gain_ctl_workarounds_rev3plus(struct b43_wldev *dev)
{
	struct ssb_sprom *sprom = dev->dev->bus_sprom;

	bool ghz5;
	bool ext_lna;
	u16 rssi_gain;
	struct nphy_gain_ctl_workaround_entry *e;
	u8 lpf_gain[6] = { 0x00, 0x06, 0x0C, 0x12, 0x12, 0x12 };
	u8 lpf_bits[6] = { 0, 1, 2, 3, 3, 3 };

	/* Prepare values */
	ghz5 = b43_phy_read(dev, B43_NPHY_BANDCTL)
		& B43_NPHY_BANDCTL_5GHZ;
1678 1679
	ext_lna = ghz5 ? sprom->boardflags_hi & B43_BFH_EXTLNA_5GHZ :
		sprom->boardflags_lo & B43_BFL_EXTLNA;
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	e = b43_nphy_get_gain_ctl_workaround_ent(dev, ghz5, ext_lna);
	if (ghz5 && dev->phy.rev >= 5)
		rssi_gain = 0x90;
	else
		rssi_gain = 0x50;

	b43_phy_set(dev, B43_NPHY_RXCTL, 0x0040);

	/* 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);

	b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAG1_IDAC,
			0x17);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAG1_IDAC,
			0x17);
	b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG2_IDAC, 0xF0);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG2_IDAC, 0xF0);
	b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_POLE, 0x00);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_POLE, 0x00);
	b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_GAIN,
			rssi_gain);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_GAIN,
			rssi_gain);
	b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAA1_IDAC,
			0x17);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAA1_IDAC,
			0x17);
	b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA2_IDAC, 0xFF);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA2_IDAC, 0xFF);

	b43_ntab_write_bulk(dev, B43_NTAB8(0, 8), 4, e->lna1_gain);
	b43_ntab_write_bulk(dev, B43_NTAB8(1, 8), 4, e->lna1_gain);
	b43_ntab_write_bulk(dev, B43_NTAB8(0, 16), 4, e->lna2_gain);
	b43_ntab_write_bulk(dev, B43_NTAB8(1, 16), 4, e->lna2_gain);
	b43_ntab_write_bulk(dev, B43_NTAB8(0, 32), 10, e->gain_db);
	b43_ntab_write_bulk(dev, B43_NTAB8(1, 32), 10, e->gain_db);
	b43_ntab_write_bulk(dev, B43_NTAB8(2, 32), 10, e->gain_bits);
	b43_ntab_write_bulk(dev, B43_NTAB8(3, 32), 10, e->gain_bits);
	b43_ntab_write_bulk(dev, B43_NTAB8(0, 0x40), 6, lpf_gain);
	b43_ntab_write_bulk(dev, B43_NTAB8(1, 0x40), 6, lpf_gain);
	b43_ntab_write_bulk(dev, B43_NTAB8(2, 0x40), 6, lpf_bits);
	b43_ntab_write_bulk(dev, B43_NTAB8(3, 0x40), 6, lpf_bits);

	b43_phy_write(dev, B43_NPHY_C1_INITGAIN, e->init_gain);
	b43_phy_write(dev, 0x2A7, e->init_gain);
	b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x106), 2,
				e->rfseq_init);

	/* TODO: check defines. Do not match variables names */
	b43_phy_write(dev, B43_NPHY_C1_CLIP1_MEDGAIN, e->cliphi_gain);
	b43_phy_write(dev, 0x2A9, e->cliphi_gain);
	b43_phy_write(dev, B43_NPHY_C1_CLIP2_GAIN, e->clipmd_gain);
	b43_phy_write(dev, 0x2AB, e->clipmd_gain);
	b43_phy_write(dev, B43_NPHY_C2_CLIP1_HIGAIN, e->cliplo_gain);
	b43_phy_write(dev, 0x2AD, e->cliplo_gain);

	b43_phy_maskset(dev, 0x27D, 0xFF00, e->crsmin);
	b43_phy_maskset(dev, 0x280, 0xFF00, e->crsminl);
	b43_phy_maskset(dev, 0x283, 0xFF00, e->crsminu);
	b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, e->nbclip);
	b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, e->nbclip);
	b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
			~B43_NPHY_C1_CLIPWBTHRES_CLIP2, e->wlclip);
	b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
			~B43_NPHY_C2_CLIPWBTHRES_CLIP2, e->wlclip);
	b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
}

static void b43_nphy_gain_ctl_workarounds_rev1_2(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;

	u8 i, j;
	u8 code;
	u16 tmp;
	u8 rfseq_events[3] = { 6, 8, 7 };
	u8 rfseq_delays[3] = { 10, 30, 1 };

	/* 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);

	/* Set narrowband clip threshold */
	b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, 0x84);
	b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, 0x84);

	if (!dev->phy.is_40mhz) {
		/* Set dwell lengths */
		b43_phy_write(dev, B43_NPHY_CLIP1_NBDWELL_LEN, 0x002B);
		b43_phy_write(dev, B43_NPHY_CLIP2_NBDWELL_LEN, 0x002B);
		b43_phy_write(dev, B43_NPHY_W1CLIP1_DWELL_LEN, 0x0009);
		b43_phy_write(dev, B43_NPHY_W1CLIP2_DWELL_LEN, 0x0009);
	}

	/* Set wideband clip 2 threshold */
	b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
			~B43_NPHY_C1_CLIPWBTHRES_CLIP2, 21);
	b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
			~B43_NPHY_C2_CLIPWBTHRES_CLIP2, 21);

	if (!dev->phy.is_40mhz) {
		b43_phy_maskset(dev, B43_NPHY_C1_CGAINI,
			~B43_NPHY_C1_CGAINI_GAINBKOFF, 0x1);
		b43_phy_maskset(dev, B43_NPHY_C2_CGAINI,
			~B43_NPHY_C2_CGAINI_GAINBKOFF, 0x1);
		b43_phy_maskset(dev, B43_NPHY_C1_CCK_CGAINI,
			~B43_NPHY_C1_CCK_CGAINI_GAINBKOFF, 0x1);
		b43_phy_maskset(dev, B43_NPHY_C2_CCK_CGAINI,
			~B43_NPHY_C2_CCK_CGAINI_GAINBKOFF, 0x1);
	}

	b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);

	if (nphy->gain_boost) {
		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ &&
			dev->phy.is_40mhz)
			code = 4;
		else
			code = 5;
	} else {
		code = dev->phy.is_40mhz ? 6 : 7;
	}

	/* Set HPVGA2 index */
	b43_phy_maskset(dev, B43_NPHY_C1_INITGAIN, ~B43_NPHY_C1_INITGAIN_HPVGA2,
			code << B43_NPHY_C1_INITGAIN_HPVGA2_SHIFT);
	b43_phy_maskset(dev, B43_NPHY_C2_INITGAIN, ~B43_NPHY_C2_INITGAIN_HPVGA2,
			code << B43_NPHY_C2_INITGAIN_HPVGA2_SHIFT);

	b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
	/* specs say about 2 loops, but wl does 4 */
	for (i = 0; i < 4; i++)
		b43_phy_write(dev, B43_NPHY_TABLE_DATALO, (code << 8 | 0x7C));

	b43_nphy_adjust_lna_gain_table(dev);

	if (nphy->elna_gain_config) {
		b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0808);
		b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
		b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
		b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
		b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);

		b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0C08);
		b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
		b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
		b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
		b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);

		b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
		/* specs say about 2 loops, but wl does 4 */
		for (i = 0; i < 4; i++)
			b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
						(code << 8 | 0x74));
	}

	if (dev->phy.rev == 2) {
		for (i = 0; i < 4; i++) {
			b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
					(0x0400 * i) + 0x0020);
			for (j = 0; j < 21; j++) {
				tmp = j * (i < 2 ? 3 : 1);
				b43_phy_write(dev,
					B43_NPHY_TABLE_DATALO, tmp);
			}
		}
1849
	}
1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866

	b43_nphy_set_rf_sequence(dev, 5, rfseq_events, rfseq_delays, 3);
	b43_phy_maskset(dev, B43_NPHY_OVER_DGAIN1,
		~B43_NPHY_OVER_DGAIN_CCKDGECV & 0xFFFF,
		0x5A << B43_NPHY_OVER_DGAIN_CCKDGECV_SHIFT);

	if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
		b43_phy_maskset(dev, B43_PHY_N(0xC5D), 0xFF80, 4);
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/WorkaroundsGainCtrl */
static void b43_nphy_gain_ctl_workarounds(struct b43_wldev *dev)
{
	if (dev->phy.rev >= 3)
		b43_nphy_gain_ctl_workarounds_rev3plus(dev);
	else
		b43_nphy_gain_ctl_workarounds_rev1_2(dev);
1867 1868
}

1869
static void b43_nphy_workarounds_rev3plus(struct b43_wldev *dev)
1870
{
1871
	struct b43_phy_n *nphy = dev->phy.n;
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	struct ssb_sprom *sprom = dev->dev->bus_sprom;
1873

1874
	/* TX to RX */
1875 1876
	u8 tx2rx_events[8] = { 0x4, 0x3, 0x6, 0x5, 0x2, 0x1, 0x8, 0x1F };
	u8 tx2rx_delays[8] = { 8, 4, 2, 2, 4, 4, 6, 1 };
1877 1878 1879 1880 1881 1882 1883
	/* RX to TX */
	u8 rx2tx_events_ipa[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0xF, 0x3,
					0x1F };
	u8 rx2tx_delays_ipa[9] = { 8, 6, 6, 4, 4, 16, 43, 1, 1 };
	u8 rx2tx_events[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0x3, 0x4, 0x1F };
	u8 rx2tx_delays[9] = { 8, 6, 6, 4, 4, 18, 42, 1, 1 };

1884 1885 1886
	u16 tmp16;
	u32 tmp32;

1887 1888 1889
	b43_phy_write(dev, 0x23f, 0x1f8);
	b43_phy_write(dev, 0x240, 0x1f8);

1890 1891 1892
	tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0));
	tmp32 &= 0xffffff;
	b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32);
1893

1894 1895 1896 1897 1898 1899
	b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x0125);
	b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x01B3);
	b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x0105);
	b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x016E);
	b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0x00CD);
	b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x0020);
1900

1901 1902
	b43_phy_write(dev, B43_NPHY_C2_CLIP1_MEDGAIN, 0x000C);
	b43_phy_write(dev, 0x2AE, 0x000C);
1903

1904
	/* TX to RX */
1905 1906
	b43_nphy_set_rf_sequence(dev, 1, tx2rx_events, tx2rx_delays,
				 ARRAY_SIZE(tx2rx_events));
1907 1908 1909

	/* RX to TX */
	if (b43_nphy_ipa(dev))
1910 1911
		b43_nphy_set_rf_sequence(dev, 0, rx2tx_events_ipa,
				rx2tx_delays_ipa, ARRAY_SIZE(rx2tx_events_ipa));
1912 1913 1914 1915 1916 1917 1918
	if (nphy->hw_phyrxchain != 3 &&
	    nphy->hw_phyrxchain != nphy->hw_phytxchain) {
		if (b43_nphy_ipa(dev)) {
			rx2tx_delays[5] = 59;
			rx2tx_delays[6] = 1;
			rx2tx_events[7] = 0x1F;
		}
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		b43_nphy_set_rf_sequence(dev, 0, rx2tx_events, rx2tx_delays,
1920
					 ARRAY_SIZE(rx2tx_events));
1921
	}
1922

1923 1924 1925
	tmp16 = (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ?
		0x2 : 0x9C40;
	b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, tmp16);
1926

1927
	b43_phy_maskset(dev, 0x294, 0xF0FF, 0x0700);
1928

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	if (!dev->phy.is_40mhz) {
		b43_ntab_write(dev, B43_NTAB32(16, 3), 0x18D);
		b43_ntab_write(dev, B43_NTAB32(16, 127), 0x18D);
	} else {
		b43_ntab_write(dev, B43_NTAB32(16, 3), 0x14D);
		b43_ntab_write(dev, B43_NTAB32(16, 127), 0x14D);
	}
1936

1937
	b43_nphy_gain_ctl_workarounds(dev);
1938

1939 1940
	b43_ntab_write(dev, B43_NTAB16(8, 0), 2);
	b43_ntab_write(dev, B43_NTAB16(8, 16), 2);
1941

1942
	/* TODO */
1943

1944 1945 1946 1947 1948 1949 1950 1951
	b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_MAST_BIAS, 0x00);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_MAST_BIAS, 0x00);
	b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_MAIN, 0x06);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_MAIN, 0x06);
	b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_AUX, 0x07);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_AUX, 0x07);
	b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_LOB_BIAS, 0x88);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_LOB_BIAS, 0x88);
1952 1953
	b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970
	b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXG_CMFB_IDAC, 0x00);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXG_CMFB_IDAC, 0x00);

	/* N PHY WAR TX Chain Update with hw_phytxchain as argument */

	if ((sprom->boardflags2_lo & B43_BFL2_APLL_WAR &&
	     b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ||
	    (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR &&
	     b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ))
		tmp32 = 0x00088888;
	else
		tmp32 = 0x88888888;
	b43_ntab_write(dev, B43_NTAB32(30, 1), tmp32);
	b43_ntab_write(dev, B43_NTAB32(30, 2), tmp32);
	b43_ntab_write(dev, B43_NTAB32(30, 3), tmp32);

	if (dev->phy.rev == 4 &&
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	    b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
1972 1973 1974 1975 1976
		b43_radio_write(dev, B2056_TX0 | B2056_TX_GMBB_IDAC,
				0x70);
		b43_radio_write(dev, B2056_TX1 | B2056_TX_GMBB_IDAC,
				0x70);
	}
1977

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	/* Dropped probably-always-true condition */
1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990
	b43_phy_write(dev, 0x224, 0x03eb);
	b43_phy_write(dev, 0x225, 0x03eb);
	b43_phy_write(dev, 0x226, 0x0341);
	b43_phy_write(dev, 0x227, 0x0341);
	b43_phy_write(dev, 0x228, 0x042b);
	b43_phy_write(dev, 0x229, 0x042b);
	b43_phy_write(dev, 0x22a, 0x0381);
	b43_phy_write(dev, 0x22b, 0x0381);
	b43_phy_write(dev, 0x22c, 0x042b);
	b43_phy_write(dev, 0x22d, 0x042b);
	b43_phy_write(dev, 0x22e, 0x0381);
	b43_phy_write(dev, 0x22f, 0x0381);
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	if (dev->phy.rev >= 6 && sprom->boardflags2_lo & B43_BFL2_SINGLEANT_CCK)
		; /* TODO: 0x0080000000000000 HF */
1994
}
1995

1996 1997 1998 1999 2000
static void b43_nphy_workarounds_rev1_2(struct b43_wldev *dev)
{
	struct ssb_sprom *sprom = dev->dev->bus_sprom;
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_n *nphy = phy->n;
2001

2002 2003
	u8 events1[7] = { 0x0, 0x1, 0x2, 0x8, 0x4, 0x5, 0x3 };
	u8 delays1[7] = { 0x8, 0x6, 0x6, 0x2, 0x4, 0x3C, 0x1 };
2004

2005 2006
	u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 };
	u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 };
2007

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	if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD ||
	    dev->dev->board_type == 0x8B) {
		delays1[0] = 0x1;
		delays1[5] = 0x14;
	}

2014 2015 2016 2017
	if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ &&
	    nphy->band5g_pwrgain) {
		b43_radio_mask(dev, B2055_C1_TX_RF_SPARE, ~0x8);
		b43_radio_mask(dev, B2055_C2_TX_RF_SPARE, ~0x8);
2018
	} else {
2019 2020 2021
		b43_radio_set(dev, B2055_C1_TX_RF_SPARE, 0x8);
		b43_radio_set(dev, B2055_C2_TX_RF_SPARE, 0x8);
	}
2022

2023 2024
	b43_ntab_write(dev, B43_NTAB16(8, 0x00), 0x000A);
	b43_ntab_write(dev, B43_NTAB16(8, 0x10), 0x000A);
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	if (dev->phy.rev < 3) {
		b43_ntab_write(dev, B43_NTAB16(8, 0x02), 0xCDAA);
		b43_ntab_write(dev, B43_NTAB16(8, 0x12), 0xCDAA);
	}
2029 2030 2031 2032 2033 2034 2035 2036 2037

	if (dev->phy.rev < 2) {
		b43_ntab_write(dev, B43_NTAB16(8, 0x08), 0x0000);
		b43_ntab_write(dev, B43_NTAB16(8, 0x18), 0x0000);
		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), 0x0800);
		b43_ntab_write(dev, B43_NTAB16(8, 0x16), 0x0800);
	}
2038

2039 2040 2041 2042
	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);
2043

2044 2045 2046
	b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7);
	b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7);

2047
	b43_nphy_gain_ctl_workarounds(dev);
2048 2049 2050 2051 2052 2053 2054 2055 2056

	if (dev->phy.rev < 2) {
		if (b43_phy_read(dev, B43_NPHY_RXCTL) & 0x2)
			b43_hf_write(dev, b43_hf_read(dev) |
					B43_HF_MLADVW);
	} else if (dev->phy.rev == 2) {
		b43_phy_write(dev, B43_NPHY_CRSCHECK2, 0);
		b43_phy_write(dev, B43_NPHY_CRSCHECK3, 0);
	}
2057

2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069
	if (dev->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);

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	if (dev->phy.rev < 3) {
		b43_phy_mask(dev, B43_NPHY_PIL_DW1,
			     ~B43_NPHY_PIL_DW_64QAM & 0xFFFF);
		b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B1, 0xB5);
		b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B2, 0xA4);
		b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B3, 0x00);
	}
2077 2078 2079 2080 2081

	if (dev->phy.rev == 2)
		b43_phy_set(dev, B43_NPHY_FINERX2_CGC,
				B43_NPHY_FINERX2_CGC_DECGC);
}
2082

2083 2084 2085 2086 2087
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */
static void b43_nphy_workarounds(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_n *nphy = phy->n;
2088

2089 2090 2091 2092
	if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
		b43_nphy_classifier(dev, 1, 0);
	else
		b43_nphy_classifier(dev, 1, 1);
2093

2094 2095 2096 2097 2098 2099 2100 2101 2102 2103
	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 1);

	b43_phy_set(dev, B43_NPHY_IQFLIP,
		    B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2);

	if (dev->phy.rev >= 3)
		b43_nphy_workarounds_rev3plus(dev);
	else
		b43_nphy_workarounds_rev1_2(dev);
2104 2105 2106 2107 2108

	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 0);
}

2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219
/**************************************************
 * Tx/Rx common
 **************************************************/

/*
 * Transmits a known value for LO calibration
 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TXTone
 */
static int b43_nphy_tx_tone(struct b43_wldev *dev, u32 freq, u16 max_val,
				bool iqmode, bool dac_test)
{
	u16 samp = b43_nphy_gen_load_samples(dev, freq, max_val, dac_test);
	if (samp == 0)
		return -1;
	b43_nphy_run_samples(dev, samp, 0xFFFF, 0, iqmode, dac_test);
	return 0;
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Chains */
static void b43_nphy_update_txrx_chain(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;

	bool override = false;
	u16 chain = 0x33;

	if (nphy->txrx_chain == 0) {
		chain = 0x11;
		override = true;
	} else if (nphy->txrx_chain == 1) {
		chain = 0x22;
		override = true;
	}

	b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
			~(B43_NPHY_RFSEQCA_TXEN | B43_NPHY_RFSEQCA_RXEN),
			chain);

	if (override)
		b43_phy_set(dev, B43_NPHY_RFSEQMODE,
				B43_NPHY_RFSEQMODE_CAOVER);
	else
		b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
				~B43_NPHY_RFSEQMODE_CAOVER);
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/stop-playback */
static void b43_nphy_stop_playback(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;
	u16 tmp;

	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 1);

	tmp = b43_phy_read(dev, B43_NPHY_SAMP_STAT);
	if (tmp & 0x1)
		b43_phy_set(dev, B43_NPHY_SAMP_CMD, B43_NPHY_SAMP_CMD_STOP);
	else if (tmp & 0x2)
		b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);

	b43_phy_mask(dev, B43_NPHY_SAMP_CMD, ~0x0004);

	if (nphy->bb_mult_save & 0x80000000) {
		tmp = nphy->bb_mult_save & 0xFFFF;
		b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
		nphy->bb_mult_save = 0;
	}

	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 0);
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IqCalGainParams */
static void b43_nphy_iq_cal_gain_params(struct b43_wldev *dev, u16 core,
					struct nphy_txgains target,
					struct nphy_iqcal_params *params)
{
	int i, j, indx;
	u16 gain;

	if (dev->phy.rev >= 3) {
		params->txgm = target.txgm[core];
		params->pga = target.pga[core];
		params->pad = target.pad[core];
		params->ipa = target.ipa[core];
		params->cal_gain = (params->txgm << 12) | (params->pga << 8) |
					(params->pad << 4) | (params->ipa);
		for (j = 0; j < 5; j++)
			params->ncorr[j] = 0x79;
	} else {
		gain = (target.pad[core]) | (target.pga[core] << 4) |
			(target.txgm[core] << 8);

		indx = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ?
			1 : 0;
		for (i = 0; i < 9; i++)
			if (tbl_iqcal_gainparams[indx][i][0] == gain)
				break;
		i = min(i, 8);

		params->txgm = tbl_iqcal_gainparams[indx][i][1];
		params->pga = tbl_iqcal_gainparams[indx][i][2];
		params->pad = tbl_iqcal_gainparams[indx][i][3];
		params->cal_gain = (params->txgm << 7) | (params->pga << 4) |
					(params->pad << 2);
		for (j = 0; j < 4; j++)
			params->ncorr[j] = tbl_iqcal_gainparams[indx][i][4 + j];
	}
}

2220
/**************************************************
2221
 * Tx and Rx
2222
 **************************************************/
2223

2224 2225
void b43_nphy_set_rxantenna(struct b43_wldev *dev, int antenna)
{//TODO
2226 2227
}

2228 2229 2230
static void b43_nphy_op_adjust_txpower(struct b43_wldev *dev)
{//TODO
}
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2232 2233 2234 2235 2236
static enum b43_txpwr_result b43_nphy_op_recalc_txpower(struct b43_wldev *dev,
							bool ignore_tssi)
{//TODO
	return B43_TXPWR_RES_DONE;
}
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2238 2239 2240 2241 2242
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlEnable */
static void b43_nphy_tx_power_ctrl(struct b43_wldev *dev, bool enable)
{
	struct b43_phy_n *nphy = dev->phy.n;
	u8 i;
2243 2244
	u16 bmask, val, tmp;
	enum ieee80211_band band = b43_current_band(dev->wl);
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2246 2247
	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 1);
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2249 2250
	nphy->txpwrctrl = enable;
	if (!enable) {
2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261
		if (dev->phy.rev >= 3 &&
		    (b43_phy_read(dev, B43_NPHY_TXPCTL_CMD) &
		     (B43_NPHY_TXPCTL_CMD_COEFF |
		      B43_NPHY_TXPCTL_CMD_HWPCTLEN |
		      B43_NPHY_TXPCTL_CMD_PCTLEN))) {
			/* We disable enabled TX pwr ctl, save it's state */
			nphy->tx_pwr_idx[0] = b43_phy_read(dev,
						B43_NPHY_C1_TXPCTL_STAT) & 0x7f;
			nphy->tx_pwr_idx[1] = b43_phy_read(dev,
						B43_NPHY_C2_TXPCTL_STAT) & 0x7f;
		}
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2263 2264 2265
		b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6840);
		for (i = 0; i < 84; i++)
			b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);
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2267 2268 2269
		b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6C40);
		for (i = 0; i < 84; i++)
			b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);
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2271 2272 2273 2274
		tmp = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN;
		if (dev->phy.rev >= 3)
			tmp |= B43_NPHY_TXPCTL_CMD_PCTLEN;
		b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD, ~tmp);
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2276 2277 2278 2279 2280 2281
		if (dev->phy.rev >= 3) {
			b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
			b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
		} else {
			b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
		}
2282

2283 2284 2285 2286 2287 2288
		if (dev->phy.rev == 2)
			b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
				~B43_NPHY_BPHY_CTL3_SCALE, 0x53);
		else if (dev->phy.rev < 2)
			b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
				~B43_NPHY_BPHY_CTL3_SCALE, 0x5A);
2289

2290 2291
		if (dev->phy.rev < 2 && dev->phy.is_40mhz)
			b43_hf_write(dev, b43_hf_read(dev) | B43_HF_TSSIRPSMW);
2292
	} else {
2293 2294 2295 2296
		b43_ntab_write_bulk(dev, B43_NTAB16(26, 64), 84,
				    nphy->adj_pwr_tbl);
		b43_ntab_write_bulk(dev, B43_NTAB16(27, 64), 84,
				    nphy->adj_pwr_tbl);
2297

2298 2299 2300 2301 2302 2303 2304 2305 2306 2307
		bmask = B43_NPHY_TXPCTL_CMD_COEFF |
			B43_NPHY_TXPCTL_CMD_HWPCTLEN;
		/* wl does useless check for "enable" param here */
		val = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN;
		if (dev->phy.rev >= 3) {
			bmask |= B43_NPHY_TXPCTL_CMD_PCTLEN;
			if (val)
				val |= B43_NPHY_TXPCTL_CMD_PCTLEN;
		}
		b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, ~(bmask), val);
2308

2309 2310 2311 2312 2313 2314 2315 2316
		if (band == IEEE80211_BAND_5GHZ) {
			b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
					~B43_NPHY_TXPCTL_CMD_INIT, 0x64);
			if (dev->phy.rev > 1)
				b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
						~B43_NPHY_TXPCTL_INIT_PIDXI1,
						0x64);
		}
2317

2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330
		if (dev->phy.rev >= 3) {
			if (nphy->tx_pwr_idx[0] != 128 &&
			    nphy->tx_pwr_idx[1] != 128) {
				/* Recover TX pwr ctl state */
				b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
						~B43_NPHY_TXPCTL_CMD_INIT,
						nphy->tx_pwr_idx[0]);
				if (dev->phy.rev > 1)
					b43_phy_maskset(dev,
						B43_NPHY_TXPCTL_INIT,
						~0xff, nphy->tx_pwr_idx[1]);
			}
		}
2331

2332 2333 2334 2335 2336 2337
		if (dev->phy.rev >= 3) {
			b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, ~0x100);
			b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x100);
		} else {
			b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x4000);
		}
2338

2339 2340 2341 2342
		if (dev->phy.rev == 2)
			b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x3b);
		else if (dev->phy.rev < 2)
			b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x40);
2343

2344 2345
		if (dev->phy.rev < 2 && dev->phy.is_40mhz)
			b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_TSSIRPSMW);
2346

2347
		if (b43_nphy_ipa(dev)) {
2348 2349
			b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x4);
			b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x4);
2350 2351 2352
		}
	}

2353 2354
	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 0);
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}

2357
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrFix */
2358
static void b43_nphy_tx_power_fix(struct b43_wldev *dev)
2359 2360
{
	struct b43_phy_n *nphy = dev->phy.n;
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	struct ssb_sprom *sprom = dev->dev->bus_sprom;
2362

2363 2364 2365 2366 2367
	u8 txpi[2], bbmult, i;
	u16 tmp, radio_gain, dac_gain;
	u16 freq = dev->phy.channel_freq;
	u32 txgain;
	/* u32 gaintbl; rev3+ */
2368 2369

	if (nphy->hang_avoid)
2370
		b43_nphy_stay_in_carrier_search(dev, 1);
2371

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	if (dev->phy.rev >= 7) {
		txpi[0] = txpi[1] = 30;
	} else if (dev->phy.rev >= 3) {
2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395
		txpi[0] = 40;
		txpi[1] = 40;
	} else if (sprom->revision < 4) {
		txpi[0] = 72;
		txpi[1] = 72;
	} else {
		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
			txpi[0] = sprom->txpid2g[0];
			txpi[1] = sprom->txpid2g[1];
		} else if (freq >= 4900 && freq < 5100) {
			txpi[0] = sprom->txpid5gl[0];
			txpi[1] = sprom->txpid5gl[1];
		} else if (freq >= 5100 && freq < 5500) {
			txpi[0] = sprom->txpid5g[0];
			txpi[1] = sprom->txpid5g[1];
		} else if (freq >= 5500) {
			txpi[0] = sprom->txpid5gh[0];
			txpi[1] = sprom->txpid5gh[1];
		} else {
			txpi[0] = 91;
			txpi[1] = 91;
2396 2397
		}
	}
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	if (dev->phy.rev < 7 &&
2399
	    (txpi[0] < 40 || txpi[0] > 100 || txpi[1] < 40 || txpi[1] > 100))
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		txpi[0] = txpi[1] = 91;
2401

2402 2403 2404 2405
	/*
	for (i = 0; i < 2; i++) {
		nphy->txpwrindex[i].index_internal = txpi[i];
		nphy->txpwrindex[i].index_internal_save = txpi[i];
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2406
	}
2407
	*/
2408

2409
	for (i = 0; i < 2; i++) {
2410 2411 2412
		txgain = *(b43_nphy_get_tx_gain_table(dev) + txpi[i]);

		if (dev->phy.rev >= 3)
2413
			radio_gain = (txgain >> 16) & 0x1FFFF;
2414
		else
2415
			radio_gain = (txgain >> 16) & 0x1FFF;
2416

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2417 2418 2419 2420
		if (dev->phy.rev >= 7)
			dac_gain = (txgain >> 8) & 0x7;
		else
			dac_gain = (txgain >> 8) & 0x3F;
2421
		bbmult = txgain & 0xFF;
2422

2423 2424 2425 2426 2427 2428 2429 2430
		if (dev->phy.rev >= 3) {
			if (i == 0)
				b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
			else
				b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
		} else {
			b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
		}
2431

2432 2433 2434 2435
		if (i == 0)
			b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN1, dac_gain);
		else
			b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN2, dac_gain);
2436

2437
		b43_ntab_write(dev, B43_NTAB16(0x7, 0x110 + i), radio_gain);
2438

2439
		tmp = b43_ntab_read(dev, B43_NTAB16(0xF, 0x57));
2440 2441 2442 2443
		if (i == 0)
			tmp = (tmp & 0x00FF) | (bbmult << 8);
		else
			tmp = (tmp & 0xFF00) | bbmult;
2444
		b43_ntab_write(dev, B43_NTAB16(0xF, 0x57), tmp);
2445

2446 2447 2448 2449
		if (b43_nphy_ipa(dev)) {
			u32 tmp32;
			u16 reg = (i == 0) ?
				B43_NPHY_PAPD_EN0 : B43_NPHY_PAPD_EN1;
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2450 2451
			tmp32 = b43_ntab_read(dev, B43_NTAB32(26 + i,
							      576 + txpi[i]));
2452 2453
			b43_phy_maskset(dev, reg, 0xE00F, (u32) tmp32 << 4);
			b43_phy_set(dev, reg, 0x4);
2454 2455 2456
		}
	}

2457
	b43_phy_mask(dev, B43_NPHY_BPHY_CTL2, ~B43_NPHY_BPHY_CTL2_LUT);
2458

2459 2460
	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 0);
2461
}
2462

2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585
static void b43_nphy_ipa_internal_tssi_setup(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;

	u8 core;
	u16 r; /* routing */

	if (phy->rev >= 7) {
		for (core = 0; core < 2; core++) {
			r = core ? 0x190 : 0x170;
			if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
				b43_radio_write(dev, r + 0x5, 0x5);
				b43_radio_write(dev, r + 0x9, 0xE);
				if (phy->rev != 5)
					b43_radio_write(dev, r + 0xA, 0);
				if (phy->rev != 7)
					b43_radio_write(dev, r + 0xB, 1);
				else
					b43_radio_write(dev, r + 0xB, 0x31);
			} else {
				b43_radio_write(dev, r + 0x5, 0x9);
				b43_radio_write(dev, r + 0x9, 0xC);
				b43_radio_write(dev, r + 0xB, 0x0);
				if (phy->rev != 5)
					b43_radio_write(dev, r + 0xA, 1);
				else
					b43_radio_write(dev, r + 0xA, 0x31);
			}
			b43_radio_write(dev, r + 0x6, 0);
			b43_radio_write(dev, r + 0x7, 0);
			b43_radio_write(dev, r + 0x8, 3);
			b43_radio_write(dev, r + 0xC, 0);
		}
	} else {
		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
			b43_radio_write(dev, B2056_SYN_RESERVED_ADDR31, 0x128);
		else
			b43_radio_write(dev, B2056_SYN_RESERVED_ADDR31, 0x80);
		b43_radio_write(dev, B2056_SYN_RESERVED_ADDR30, 0);
		b43_radio_write(dev, B2056_SYN_GPIO_MASTER1, 0x29);

		for (core = 0; core < 2; core++) {
			r = core ? B2056_TX1 : B2056_TX0;

			b43_radio_write(dev, r | B2056_TX_IQCAL_VCM_HG, 0);
			b43_radio_write(dev, r | B2056_TX_IQCAL_IDAC, 0);
			b43_radio_write(dev, r | B2056_TX_TSSI_VCM, 3);
			b43_radio_write(dev, r | B2056_TX_TX_AMP_DET, 0);
			b43_radio_write(dev, r | B2056_TX_TSSI_MISC1, 8);
			b43_radio_write(dev, r | B2056_TX_TSSI_MISC2, 0);
			b43_radio_write(dev, r | B2056_TX_TSSI_MISC3, 0);
			if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
				b43_radio_write(dev, r | B2056_TX_TX_SSI_MASTER,
						0x5);
				if (phy->rev != 5)
					b43_radio_write(dev, r | B2056_TX_TSSIA,
							0x00);
				if (phy->rev >= 5)
					b43_radio_write(dev, r | B2056_TX_TSSIG,
							0x31);
				else
					b43_radio_write(dev, r | B2056_TX_TSSIG,
							0x11);
				b43_radio_write(dev, r | B2056_TX_TX_SSI_MUX,
						0xE);
			} else {
				b43_radio_write(dev, r | B2056_TX_TX_SSI_MASTER,
						0x9);
				b43_radio_write(dev, r | B2056_TX_TSSIA, 0x31);
				b43_radio_write(dev, r | B2056_TX_TSSIG, 0x0);
				b43_radio_write(dev, r | B2056_TX_TX_SSI_MUX,
						0xC);
			}
		}
	}
}

/*
 * Stop radio and transmit known signal. Then check received signal strength to
 * get TSSI (Transmit Signal Strength Indicator).
 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlIdleTssi
 */
static void b43_nphy_tx_power_ctl_idle_tssi(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_n *nphy = dev->phy.n;

	u32 tmp;
	s32 rssi[4] = { };

	/* TODO: check if we can transmit */

	if (b43_nphy_ipa(dev))
		b43_nphy_ipa_internal_tssi_setup(dev);

	if (phy->rev >= 7)
		; /* TODO: Override Rev7 with 0x2000, 0, 3, 0, 0 as arguments */
	else if (phy->rev >= 3)
		b43_nphy_rf_control_override(dev, 0x2000, 0, 3, false);

	b43_nphy_stop_playback(dev);
	b43_nphy_tx_tone(dev, 0xFA0, 0, false, false);
	udelay(20);
	tmp = b43_nphy_poll_rssi(dev, 4, rssi, 1);
	b43_nphy_stop_playback(dev);
	b43_nphy_rssi_select(dev, 0, 0);

	if (phy->rev >= 7)
		; /* TODO: Override Rev7 with 0x2000, 0, 3, 1, 0 as arguments */
	else if (phy->rev >= 3)
		b43_nphy_rf_control_override(dev, 0x2000, 0, 3, true);

	if (phy->rev >= 3) {
		nphy->pwr_ctl_info[0].idle_tssi_5g = (tmp >> 24) & 0xFF;
		nphy->pwr_ctl_info[1].idle_tssi_5g = (tmp >> 8) & 0xFF;
	} else {
		nphy->pwr_ctl_info[0].idle_tssi_5g = (tmp >> 16) & 0xFF;
		nphy->pwr_ctl_info[1].idle_tssi_5g = tmp & 0xFF;
	}
	nphy->pwr_ctl_info[0].idle_tssi_2g = (tmp >> 24) & 0xFF;
	nphy->pwr_ctl_info[1].idle_tssi_2g = (tmp >> 8) & 0xFF;
}

2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800
/* http://bcm-v4.sipsolutions.net/PHY/N/TxPwrLimitToTbl */
static void b43_nphy_tx_prepare_adjusted_power_table(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;

	u8 idx, delta;
	u8 i, stf_mode;

	for (i = 0; i < 4; i++)
		nphy->adj_pwr_tbl[i] = nphy->tx_power_offset[i];

	for (stf_mode = 0; stf_mode < 4; stf_mode++) {
		delta = 0;
		switch (stf_mode) {
		case 0:
			if (dev->phy.is_40mhz && dev->phy.rev >= 5) {
				idx = 68;
			} else {
				delta = 1;
				idx = dev->phy.is_40mhz ? 52 : 4;
			}
			break;
		case 1:
			idx = dev->phy.is_40mhz ? 76 : 28;
			break;
		case 2:
			idx = dev->phy.is_40mhz ? 84 : 36;
			break;
		case 3:
			idx = dev->phy.is_40mhz ? 92 : 44;
			break;
		}

		for (i = 0; i < 20; i++) {
			nphy->adj_pwr_tbl[4 + 4 * i + stf_mode] =
				nphy->tx_power_offset[idx];
			if (i == 0)
				idx += delta;
			if (i == 14)
				idx += 1 - delta;
			if (i == 3 || i == 4 || i == 7 || i == 8 || i == 11 ||
			    i == 13)
				idx += 1;
		}
	}
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlSetup */
static void b43_nphy_tx_power_ctl_setup(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;
	struct ssb_sprom *sprom = dev->dev->bus_sprom;

	s16 a1[2], b0[2], b1[2];
	u8 idle[2];
	s8 target[2];
	s32 num, den, pwr;
	u32 regval[64];

	u16 freq = dev->phy.channel_freq;
	u16 tmp;
	u16 r; /* routing */
	u8 i, c;

	if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) {
		b43_maskset32(dev, B43_MMIO_MACCTL, ~0, 0x200000);
		b43_read32(dev, B43_MMIO_MACCTL);
		udelay(1);
	}

	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, true);

	b43_phy_set(dev, B43_NPHY_TSSIMODE, B43_NPHY_TSSIMODE_EN);
	if (dev->phy.rev >= 3)
		b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD,
			     ~B43_NPHY_TXPCTL_CMD_PCTLEN & 0xFFFF);
	else
		b43_phy_set(dev, B43_NPHY_TXPCTL_CMD,
			    B43_NPHY_TXPCTL_CMD_PCTLEN);

	if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12)
		b43_maskset32(dev, B43_MMIO_MACCTL, ~0x200000, 0);

	if (sprom->revision < 4) {
		idle[0] = nphy->pwr_ctl_info[0].idle_tssi_2g;
		idle[1] = nphy->pwr_ctl_info[1].idle_tssi_2g;
		target[0] = target[1] = 52;
		a1[0] = a1[1] = -424;
		b0[0] = b0[1] = 5612;
		b1[0] = b1[1] = -1393;
	} else {
		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
			for (c = 0; c < 2; c++) {
				idle[c] = nphy->pwr_ctl_info[c].idle_tssi_2g;
				target[c] = sprom->core_pwr_info[c].maxpwr_2g;
				a1[c] = sprom->core_pwr_info[c].pa_2g[0];
				b0[c] = sprom->core_pwr_info[c].pa_2g[1];
				b1[c] = sprom->core_pwr_info[c].pa_2g[2];
			}
		} else if (freq >= 4900 && freq < 5100) {
			for (c = 0; c < 2; c++) {
				idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g;
				target[c] = sprom->core_pwr_info[c].maxpwr_5gl;
				a1[c] = sprom->core_pwr_info[c].pa_5gl[0];
				b0[c] = sprom->core_pwr_info[c].pa_5gl[1];
				b1[c] = sprom->core_pwr_info[c].pa_5gl[2];
			}
		} else if (freq >= 5100 && freq < 5500) {
			for (c = 0; c < 2; c++) {
				idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g;
				target[c] = sprom->core_pwr_info[c].maxpwr_5g;
				a1[c] = sprom->core_pwr_info[c].pa_5g[0];
				b0[c] = sprom->core_pwr_info[c].pa_5g[1];
				b1[c] = sprom->core_pwr_info[c].pa_5g[2];
			}
		} else if (freq >= 5500) {
			for (c = 0; c < 2; c++) {
				idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g;
				target[c] = sprom->core_pwr_info[c].maxpwr_5gh;
				a1[c] = sprom->core_pwr_info[c].pa_5gh[0];
				b0[c] = sprom->core_pwr_info[c].pa_5gh[1];
				b1[c] = sprom->core_pwr_info[c].pa_5gh[2];
			}
		} else {
			idle[0] = nphy->pwr_ctl_info[0].idle_tssi_5g;
			idle[1] = nphy->pwr_ctl_info[1].idle_tssi_5g;
			target[0] = target[1] = 52;
			a1[0] = a1[1] = -424;
			b0[0] = b0[1] = 5612;
			b1[0] = b1[1] = -1393;
		}
	}
	/* target[0] = target[1] = nphy->tx_power_max; */

	if (dev->phy.rev >= 3) {
		if (sprom->fem.ghz2.tssipos)
			b43_phy_set(dev, B43_NPHY_TXPCTL_ITSSI, 0x4000);
		if (dev->phy.rev >= 7) {
			for (c = 0; c < 2; c++) {
				r = c ? 0x190 : 0x170;
				if (b43_nphy_ipa(dev))
					b43_radio_write(dev, r + 0x9, (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ? 0xE : 0xC);
			}
		} else {
			if (b43_nphy_ipa(dev)) {
				tmp = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 0xC : 0xE;
				b43_radio_write(dev,
					B2056_TX0 | B2056_TX_TX_SSI_MUX, tmp);
				b43_radio_write(dev,
					B2056_TX1 | B2056_TX_TX_SSI_MUX, tmp);
			} else {
				b43_radio_write(dev,
					B2056_TX0 | B2056_TX_TX_SSI_MUX, 0x11);
				b43_radio_write(dev,
					B2056_TX1 | B2056_TX_TX_SSI_MUX, 0x11);
			}
		}
	}

	if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) {
		b43_maskset32(dev, B43_MMIO_MACCTL, ~0, 0x200000);
		b43_read32(dev, B43_MMIO_MACCTL);
		udelay(1);
	}

	if (dev->phy.rev >= 7) {
		b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
				~B43_NPHY_TXPCTL_CMD_INIT, 0x19);
		b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
				~B43_NPHY_TXPCTL_INIT_PIDXI1, 0x19);
	} else {
		b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
				~B43_NPHY_TXPCTL_CMD_INIT, 0x40);
		if (dev->phy.rev > 1)
			b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
				~B43_NPHY_TXPCTL_INIT_PIDXI1, 0x40);
	}

	if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12)
		b43_maskset32(dev, B43_MMIO_MACCTL, ~0x200000, 0);

	b43_phy_write(dev, B43_NPHY_TXPCTL_N,
		      0xF0 << B43_NPHY_TXPCTL_N_TSSID_SHIFT |
		      3 << B43_NPHY_TXPCTL_N_NPTIL2_SHIFT);
	b43_phy_write(dev, B43_NPHY_TXPCTL_ITSSI,
		      idle[0] << B43_NPHY_TXPCTL_ITSSI_0_SHIFT |
		      idle[1] << B43_NPHY_TXPCTL_ITSSI_1_SHIFT |
		      B43_NPHY_TXPCTL_ITSSI_BINF);
	b43_phy_write(dev, B43_NPHY_TXPCTL_TPWR,
		      target[0] << B43_NPHY_TXPCTL_TPWR_0_SHIFT |
		      target[1] << B43_NPHY_TXPCTL_TPWR_1_SHIFT);

	for (c = 0; c < 2; c++) {
		for (i = 0; i < 64; i++) {
			num = 8 * (16 * b0[c] + b1[c] * i);
			den = 32768 + a1[c] * i;
			pwr = max((4 * num + den / 2) / den, -8);
			if (dev->phy.rev < 3 && (i <= (31 - idle[c] + 1)))
				pwr = max(pwr, target[c] + 1);
			regval[i] = pwr;
		}
		b43_ntab_write_bulk(dev, B43_NTAB32(26 + c, 0), 64, regval);
	}

	b43_nphy_tx_prepare_adjusted_power_table(dev);
	/*
	b43_ntab_write_bulk(dev, B43_NTAB16(26, 64), 84, nphy->adj_pwr_tbl);
	b43_ntab_write_bulk(dev, B43_NTAB16(27, 64), 84, nphy->adj_pwr_tbl);
	*/

	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, false);
}

2801 2802 2803
static void b43_nphy_tx_gain_table_upload(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
2804

2805 2806 2807 2808 2809
	const u32 *table = NULL;
	u32 rfpwr_offset;
	u8 pga_gain;
	int i;

2810
	table = b43_nphy_get_tx_gain_table(dev);
2811 2812 2813 2814 2815 2816
	b43_ntab_write_bulk(dev, B43_NTAB32(26, 192), 128, table);
	b43_ntab_write_bulk(dev, B43_NTAB32(27, 192), 128, table);

	if (phy->rev >= 3) {
#if 0
		nphy->gmval = (table[0] >> 16) & 0x7000;
2817
#endif
2818 2819 2820 2821

		for (i = 0; i < 128; i++) {
			pga_gain = (table[i] >> 24) & 0xF;
			if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
2822 2823
				rfpwr_offset =
				 b43_ntab_papd_pga_gain_delta_ipa_2g[pga_gain];
2824
			else
2825 2826
				rfpwr_offset =
				 0; /* FIXME */
2827 2828 2829 2830 2831
			b43_ntab_write(dev, B43_NTAB32(26, 576 + i),
				       rfpwr_offset);
			b43_ntab_write(dev, B43_NTAB32(27, 576 + i),
				       rfpwr_offset);
		}
2832 2833 2834
	}
}

2835 2836
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PA%20override */
static void b43_nphy_pa_override(struct b43_wldev *dev, bool enable)
M
Michael Buesch 已提交
2837
{
2838 2839 2840
	struct b43_phy_n *nphy = dev->phy.n;
	enum ieee80211_band band;
	u16 tmp;
M
Michael Buesch 已提交
2841

2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865
	if (!enable) {
		nphy->rfctrl_intc1_save = b43_phy_read(dev,
						       B43_NPHY_RFCTL_INTC1);
		nphy->rfctrl_intc2_save = b43_phy_read(dev,
						       B43_NPHY_RFCTL_INTC2);
		band = b43_current_band(dev->wl);
		if (dev->phy.rev >= 3) {
			if (band == IEEE80211_BAND_5GHZ)
				tmp = 0x600;
			else
				tmp = 0x480;
		} else {
			if (band == IEEE80211_BAND_5GHZ)
				tmp = 0x180;
			else
				tmp = 0x120;
		}
		b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
		b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
	} else {
		b43_phy_write(dev, B43_NPHY_RFCTL_INTC1,
				nphy->rfctrl_intc1_save);
		b43_phy_write(dev, B43_NPHY_RFCTL_INTC2,
				nphy->rfctrl_intc2_save);
M
Michael Buesch 已提交
2866 2867 2868
	}
}

2869 2870
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxLpFbw */
static void b43_nphy_tx_lp_fbw(struct b43_wldev *dev)
2871 2872 2873
{
	u16 tmp;

2874
	if (dev->phy.rev >= 3) {
2875
		if (b43_nphy_ipa(dev)) {
2876 2877 2878 2879
			tmp = 4;
			b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S2,
			      (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
		}
2880

2881 2882 2883 2884 2885
		tmp = 1;
		b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S2,
			      (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
	}
}
2886

2887 2888 2889
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqEst */
static void b43_nphy_rx_iq_est(struct b43_wldev *dev, struct nphy_iq_est *est,
				u16 samps, u8 time, bool wait)
2890
{
2891 2892
	int i;
	u16 tmp;
2893

2894 2895 2896 2897
	b43_phy_write(dev, B43_NPHY_IQEST_SAMCNT, samps);
	b43_phy_maskset(dev, B43_NPHY_IQEST_WT, ~B43_NPHY_IQEST_WT_VAL, time);
	if (wait)
		b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_MODE);
2898
	else
2899
		b43_phy_mask(dev, B43_NPHY_IQEST_CMD, ~B43_NPHY_IQEST_CMD_MODE);
2900

2901
	b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_START);
2902

2903 2904 2905 2906 2907 2908 2909 2910 2911
	for (i = 1000; i; i--) {
		tmp = b43_phy_read(dev, B43_NPHY_IQEST_CMD);
		if (!(tmp & B43_NPHY_IQEST_CMD_START)) {
			est->i0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI0) << 16) |
					b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO0);
			est->q0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI0) << 16) |
					b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO0);
			est->iq0_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI0) << 16) |
					b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO0);
2912

2913 2914 2915 2916 2917 2918 2919
			est->i1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI1) << 16) |
					b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO1);
			est->q1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI1) << 16) |
					b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO1);
			est->iq1_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI1) << 16) |
					b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO1);
			return;
2920
		}
2921
		udelay(10);
2922
	}
2923
	memset(est, 0, sizeof(*est));
2924 2925
}

2926 2927 2928
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqCoeffs */
static void b43_nphy_rx_iq_coeffs(struct b43_wldev *dev, bool write,
					struct b43_phy_n_iq_comp *pcomp)
2929
{
2930 2931 2932 2933 2934
	if (write) {
		b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPA0, pcomp->a0);
		b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPB0, pcomp->b0);
		b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPA1, pcomp->a1);
		b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPB1, pcomp->b1);
2935
	} else {
2936 2937 2938 2939 2940 2941
		pcomp->a0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPA0);
		pcomp->b0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPB0);
		pcomp->a1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPA1);
		pcomp->b1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPB1);
	}
}
2942

R
Rafał Miłecki 已提交
2943 2944
#if 0
/* Ready but not used anywhere */
2945 2946 2947 2948
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhyCleanup */
static void b43_nphy_rx_cal_phy_cleanup(struct b43_wldev *dev, u8 core)
{
	u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
2949

2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966
	b43_phy_write(dev, B43_NPHY_RFSEQCA, regs[0]);
	if (core == 0) {
		b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[1]);
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
	} else {
		b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
	}
	b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[3]);
	b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[4]);
	b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, regs[5]);
	b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, regs[6]);
	b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, regs[7]);
	b43_phy_write(dev, B43_NPHY_RFCTL_OVER, regs[8]);
	b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
	b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
}
2967

2968 2969 2970 2971 2972
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhySetup */
static void b43_nphy_rx_cal_phy_setup(struct b43_wldev *dev, u8 core)
{
	u8 rxval, txval;
	u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
2973

2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989
	regs[0] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
	if (core == 0) {
		regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
		regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
	} else {
		regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
		regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
	}
	regs[3] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
	regs[4] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
	regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
	regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
	regs[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S1);
	regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
	regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
	regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
2990

2991 2992
	b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
	b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
2993

2994 2995
	b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
			~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
2996 2997 2998 2999 3000 3001 3002
			((1 - core) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
	b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
			((1 - core) << B43_NPHY_RFSEQCA_TXEN_SHIFT));
	b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
			(core << B43_NPHY_RFSEQCA_RXEN_SHIFT));
	b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXDIS,
			(core << B43_NPHY_RFSEQCA_TXDIS_SHIFT));
3003

3004 3005 3006 3007 3008 3009 3010
	if (core == 0) {
		b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x0007);
		b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0007);
	} else {
		b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x0007);
		b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0007);
	}
3011

3012 3013
	b43_nphy_rf_control_intc_override(dev, 2, 0, 3);
	b43_nphy_rf_control_override(dev, 8, 0, 3, false);
3014
	b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
3015

3016 3017 3018 3019 3020 3021
	if (core == 0) {
		rxval = 1;
		txval = 8;
	} else {
		rxval = 4;
		txval = 2;
3022
	}
3023 3024
	b43_nphy_rf_control_intc_override(dev, 1, rxval, (core + 1));
	b43_nphy_rf_control_intc_override(dev, 1, txval, (2 - core));
3025
}
R
Rafał Miłecki 已提交
3026
#endif
3027

3028 3029
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalcRxIqComp */
static void b43_nphy_calc_rx_iq_comp(struct b43_wldev *dev, u8 mask)
3030 3031
{
	int i;
3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051
	s32 iq;
	u32 ii;
	u32 qq;
	int iq_nbits, qq_nbits;
	int arsh, brsh;
	u16 tmp, a, b;

	struct nphy_iq_est est;
	struct b43_phy_n_iq_comp old;
	struct b43_phy_n_iq_comp new = { };
	bool error = false;

	if (mask == 0)
		return;

	b43_nphy_rx_iq_coeffs(dev, false, &old);
	b43_nphy_rx_iq_coeffs(dev, true, &new);
	b43_nphy_rx_iq_est(dev, &est, 0x4000, 32, false);
	new = old;

3052
	for (i = 0; i < 2; i++) {
3053 3054 3055 3056 3057 3058 3059 3060
		if (i == 0 && (mask & 1)) {
			iq = est.iq0_prod;
			ii = est.i0_pwr;
			qq = est.q0_pwr;
		} else if (i == 1 && (mask & 2)) {
			iq = est.iq1_prod;
			ii = est.i1_pwr;
			qq = est.q1_pwr;
3061
		} else {
3062
			continue;
3063 3064
		}

3065 3066 3067 3068
		if (ii + qq < 2) {
			error = true;
			break;
		}
3069

3070 3071
		iq_nbits = fls(abs(iq));
		qq_nbits = fls(qq);
3072

3073 3074 3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085
		arsh = iq_nbits - 20;
		if (arsh >= 0) {
			a = -((iq << (30 - iq_nbits)) + (ii >> (1 + arsh)));
			tmp = ii >> arsh;
		} else {
			a = -((iq << (30 - iq_nbits)) + (ii << (-1 - arsh)));
			tmp = ii << -arsh;
		}
		if (tmp == 0) {
			error = true;
			break;
		}
		a /= tmp;
3086

3087 3088 3089 3090
		brsh = qq_nbits - 11;
		if (brsh >= 0) {
			b = (qq << (31 - qq_nbits));
			tmp = ii >> brsh;
3091
		} else {
3092 3093 3094 3095 3096 3097
			b = (qq << (31 - qq_nbits));
			tmp = ii << -brsh;
		}
		if (tmp == 0) {
			error = true;
			break;
3098
		}
3099
		b = int_sqrt(b / tmp - a * a) - (1 << 10);
3100

3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117
		if (i == 0 && (mask & 0x1)) {
			if (dev->phy.rev >= 3) {
				new.a0 = a & 0x3FF;
				new.b0 = b & 0x3FF;
			} else {
				new.a0 = b & 0x3FF;
				new.b0 = a & 0x3FF;
			}
		} else if (i == 1 && (mask & 0x2)) {
			if (dev->phy.rev >= 3) {
				new.a1 = a & 0x3FF;
				new.b1 = b & 0x3FF;
			} else {
				new.a1 = b & 0x3FF;
				new.b1 = a & 0x3FF;
			}
		}
3118 3119
	}

3120 3121
	if (error)
		new = old;
3122

3123 3124
	b43_nphy_rx_iq_coeffs(dev, true, &new);
}
3125

3126 3127 3128 3129
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxIqWar */
static void b43_nphy_tx_iq_workaround(struct b43_wldev *dev)
{
	u16 array[4];
3130
	b43_ntab_read_bulk(dev, B43_NTAB16(0xF, 0x50), 4, array);
3131 3132 3133 3134 3135

	b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW0, array[0]);
	b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW1, array[1]);
	b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW2, array[2]);
	b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW3, array[3]);
3136 3137
}

3138 3139 3140 3141
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SpurWar */
static void b43_nphy_spur_workaround(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;
3142

3143
	u8 channel = dev->phy.channel;
3144 3145
	int tone[2] = { 57, 58 };
	u32 noise[2] = { 0x3FF, 0x3FF };
3146

3147
	B43_WARN_ON(dev->phy.rev < 3);
3148

3149 3150
	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 1);
3151

3152 3153 3154 3155 3156 3157 3158
	if (nphy->gband_spurwar_en) {
		/* TODO: N PHY Adjust Analog Pfbw (7) */
		if (channel == 11 && dev->phy.is_40mhz)
			; /* TODO: N PHY Adjust Min Noise Var(2, tone, noise)*/
		else
			; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
		/* TODO: N PHY Adjust CRS Min Power (0x1E) */
3159 3160
	}

3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171
	if (nphy->aband_spurwar_en) {
		if (channel == 54) {
			tone[0] = 0x20;
			noise[0] = 0x25F;
		} else if (channel == 38 || channel == 102 || channel == 118) {
			if (0 /* FIXME */) {
				tone[0] = 0x20;
				noise[0] = 0x21F;
			} else {
				tone[0] = 0;
				noise[0] = 0;
3172
			}
3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184
		} else if (channel == 134) {
			tone[0] = 0x20;
			noise[0] = 0x21F;
		} else if (channel == 151) {
			tone[0] = 0x10;
			noise[0] = 0x23F;
		} else if (channel == 153 || channel == 161) {
			tone[0] = 0x30;
			noise[0] = 0x23F;
		} else {
			tone[0] = 0;
			noise[0] = 0;
3185 3186
		}

3187 3188
		if (!tone[0] && !noise[0])
			; /* TODO: N PHY Adjust Min Noise Var(1, tone, noise)*/
3189
		else
3190 3191
			; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
	}
3192

3193 3194 3195
	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 0);
}
3196

3197 3198 3199 3200 3201 3202 3203
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlCoefSetup */
static void b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;
	int i, j;
	u32 tmp;
	u32 cur_real, cur_imag, real_part, imag_part;
3204

3205
	u16 buffer[7];
3206

3207 3208
	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, true);
3209

3210
	b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
3211

3212 3213 3214 3215 3216 3217 3218 3219 3220 3221
	for (i = 0; i < 2; i++) {
		tmp = ((buffer[i * 2] & 0x3FF) << 10) |
			(buffer[i * 2 + 1] & 0x3FF);
		b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
				(((i + 26) << 10) | 320));
		for (j = 0; j < 128; j++) {
			b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
					((tmp >> 16) & 0xFFFF));
			b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
					(tmp & 0xFFFF));
3222 3223 3224
		}
	}

3225 3226 3227 3228 3229 3230
	for (i = 0; i < 2; i++) {
		tmp = buffer[5 + i];
		real_part = (tmp >> 8) & 0xFF;
		imag_part = (tmp & 0xFF);
		b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
				(((i + 26) << 10) | 448));
3231

3232 3233 3234 3235 3236
		if (dev->phy.rev >= 3) {
			cur_real = real_part;
			cur_imag = imag_part;
			tmp = ((cur_real & 0xFF) << 8) | (cur_imag & 0xFF);
		}
3237

3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249
		for (j = 0; j < 128; j++) {
			if (dev->phy.rev < 3) {
				cur_real = (real_part * loscale[j] + 128) >> 8;
				cur_imag = (imag_part * loscale[j] + 128) >> 8;
				tmp = ((cur_real & 0xFF) << 8) |
					(cur_imag & 0xFF);
			}
			b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
					((tmp >> 16) & 0xFFFF));
			b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
					(tmp & 0xFFFF));
		}
3250
	}
3251 3252

	if (dev->phy.rev >= 3) {
3253 3254 3255 3256
		b43_shm_write16(dev, B43_SHM_SHARED,
				B43_SHM_SH_NPHY_TXPWR_INDX0, 0xFFFF);
		b43_shm_write16(dev, B43_SHM_SHARED,
				B43_SHM_SH_NPHY_TXPWR_INDX1, 0xFFFF);
3257
	}
3258

3259 3260
	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, false);
M
Michael Buesch 已提交
3261 3262
}

3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274
/*
 * Restore RSSI Calibration
 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreRssiCal
 */
static void b43_nphy_restore_rssi_cal(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;

	u16 *rssical_radio_regs = NULL;
	u16 *rssical_phy_regs = NULL;

	if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
3275
		if (!nphy->rssical_chanspec_2G.center_freq)
3276 3277 3278 3279
			return;
		rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
		rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
	} else {
3280
		if (!nphy->rssical_chanspec_5G.center_freq)
3281 3282 3283 3284 3285 3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305
			return;
		rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
		rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
	}

	/* TODO use some definitions */
	b43_radio_maskset(dev, 0x602B, 0xE3, rssical_radio_regs[0]);
	b43_radio_maskset(dev, 0x702B, 0xE3, rssical_radio_regs[1]);

	b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, rssical_phy_regs[0]);
	b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, rssical_phy_regs[1]);
	b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, rssical_phy_regs[2]);
	b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, rssical_phy_regs[3]);

	b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, rssical_phy_regs[4]);
	b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, rssical_phy_regs[5]);
	b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, rssical_phy_regs[6]);
	b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, rssical_phy_regs[7]);

	b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, rssical_phy_regs[8]);
	b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, rssical_phy_regs[9]);
	b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, rssical_phy_regs[10]);
	b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, rssical_phy_regs[11]);
}

3306 3307 3308 3309 3310
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalRadioSetup */
static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;
	u16 *save = nphy->tx_rx_cal_radio_saveregs;
3311 3312
	u16 tmp;
	u8 offset, i;
3313 3314

	if (dev->phy.rev >= 3) {
3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326 3327 3328 3329 3330 3331 3332 3333 3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364
	    for (i = 0; i < 2; i++) {
		tmp = (i == 0) ? 0x2000 : 0x3000;
		offset = i * 11;

		save[offset + 0] = b43_radio_read16(dev, B2055_CAL_RVARCTL);
		save[offset + 1] = b43_radio_read16(dev, B2055_CAL_LPOCTL);
		save[offset + 2] = b43_radio_read16(dev, B2055_CAL_TS);
		save[offset + 3] = b43_radio_read16(dev, B2055_CAL_RCCALRTS);
		save[offset + 4] = b43_radio_read16(dev, B2055_CAL_RCALRTS);
		save[offset + 5] = b43_radio_read16(dev, B2055_PADDRV);
		save[offset + 6] = b43_radio_read16(dev, B2055_XOCTL1);
		save[offset + 7] = b43_radio_read16(dev, B2055_XOCTL2);
		save[offset + 8] = b43_radio_read16(dev, B2055_XOREGUL);
		save[offset + 9] = b43_radio_read16(dev, B2055_XOMISC);
		save[offset + 10] = b43_radio_read16(dev, B2055_PLL_LFC1);

		if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
			b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x0A);
			b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
			b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
			b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
			b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
			if (nphy->ipa5g_on) {
				b43_radio_write16(dev, tmp | B2055_PADDRV, 4);
				b43_radio_write16(dev, tmp | B2055_XOCTL1, 1);
			} else {
				b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
				b43_radio_write16(dev, tmp | B2055_XOCTL1, 0x2F);
			}
			b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
		} else {
			b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x06);
			b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
			b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
			b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
			b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
			b43_radio_write16(dev, tmp | B2055_XOCTL1, 0);
			if (nphy->ipa2g_on) {
				b43_radio_write16(dev, tmp | B2055_PADDRV, 6);
				b43_radio_write16(dev, tmp | B2055_XOCTL2,
					(dev->phy.rev < 5) ? 0x11 : 0x01);
			} else {
				b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
				b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
			}
		}
		b43_radio_write16(dev, tmp | B2055_XOREGUL, 0);
		b43_radio_write16(dev, tmp | B2055_XOMISC, 0);
		b43_radio_write16(dev, tmp | B2055_PLL_LFC1, 0);
	    }
3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399
	} else {
		save[0] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL1);
		b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL1, 0x29);

		save[1] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL2);
		b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL2, 0x54);

		save[2] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL1);
		b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL1, 0x29);

		save[3] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL2);
		b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL2, 0x54);

		save[3] = b43_radio_read16(dev, B2055_C1_PWRDET_RXTX);
		save[4] = b43_radio_read16(dev, B2055_C2_PWRDET_RXTX);

		if (!(b43_phy_read(dev, B43_NPHY_BANDCTL) &
		    B43_NPHY_BANDCTL_5GHZ)) {
			b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x04);
			b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x04);
		} else {
			b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x20);
			b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x20);
		}

		if (dev->phy.rev < 2) {
			b43_radio_set(dev, B2055_C1_TX_BB_MXGM, 0x20);
			b43_radio_set(dev, B2055_C2_TX_BB_MXGM, 0x20);
		} else {
			b43_radio_mask(dev, B2055_C1_TX_BB_MXGM, ~0x20);
			b43_radio_mask(dev, B2055_C2_TX_BB_MXGM, ~0x20);
		}
	}
}

3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/UpdateTxCalLadder */
static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core)
{
	struct b43_phy_n *nphy = dev->phy.n;
	int i;
	u16 scale, entry;

	u16 tmp = nphy->txcal_bbmult;
	if (core == 0)
		tmp >>= 8;
	tmp &= 0xff;

	for (i = 0; i < 18; i++) {
		scale = (ladder_lo[i].percent * tmp) / 100;
		entry = ((scale & 0xFF) << 8) | ladder_lo[i].g_env;
3415
		b43_ntab_write(dev, B43_NTAB16(15, i), entry);
3416 3417 3418

		scale = (ladder_iq[i].percent * tmp) / 100;
		entry = ((scale & 0xFF) << 8) | ladder_iq[i].g_env;
3419
		b43_ntab_write(dev, B43_NTAB16(15, i + 32), entry);
3420 3421 3422
	}
}

3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ExtPaSetTxDigiFilts */
static void b43_nphy_ext_pa_set_tx_dig_filters(struct b43_wldev *dev)
{
	int i;
	for (i = 0; i < 15; i++)
		b43_phy_write(dev, B43_PHY_N(0x2C5 + i),
				tbl_tx_filter_coef_rev4[2][i]);
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IpaSetTxDigiFilts */
static void b43_nphy_int_pa_set_tx_dig_filters(struct b43_wldev *dev)
{
	int i, j;
	/* B43_NPHY_TXF_20CO_S0A1, B43_NPHY_TXF_40CO_S0A1, unknown */
J
Joe Perches 已提交
3437
	static const u16 offset[] = { 0x186, 0x195, 0x2C5 };
3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459

	for (i = 0; i < 3; i++)
		for (j = 0; j < 15; j++)
			b43_phy_write(dev, B43_PHY_N(offset[i] + j),
					tbl_tx_filter_coef_rev4[i][j]);

	if (dev->phy.is_40mhz) {
		for (j = 0; j < 15; j++)
			b43_phy_write(dev, B43_PHY_N(offset[0] + j),
					tbl_tx_filter_coef_rev4[3][j]);
	} else if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
		for (j = 0; j < 15; j++)
			b43_phy_write(dev, B43_PHY_N(offset[0] + j),
					tbl_tx_filter_coef_rev4[5][j]);
	}

	if (dev->phy.channel == 14)
		for (j = 0; j < 15; j++)
			b43_phy_write(dev, B43_PHY_N(offset[0] + j),
					tbl_tx_filter_coef_rev4[6][j]);
}

3460 3461 3462 3463 3464 3465 3466 3467 3468
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */
static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;

	u16 curr_gain[2];
	struct nphy_txgains target;
	const u32 *table = NULL;

3469
	if (!nphy->txpwrctrl) {
3470 3471 3472 3473
		int i;

		if (nphy->hang_avoid)
			b43_nphy_stay_in_carrier_search(dev, true);
3474
		b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, curr_gain);
3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501
		if (nphy->hang_avoid)
			b43_nphy_stay_in_carrier_search(dev, false);

		for (i = 0; i < 2; ++i) {
			if (dev->phy.rev >= 3) {
				target.ipa[i] = curr_gain[i] & 0x000F;
				target.pad[i] = (curr_gain[i] & 0x00F0) >> 4;
				target.pga[i] = (curr_gain[i] & 0x0F00) >> 8;
				target.txgm[i] = (curr_gain[i] & 0x7000) >> 12;
			} else {
				target.ipa[i] = curr_gain[i] & 0x0003;
				target.pad[i] = (curr_gain[i] & 0x000C) >> 2;
				target.pga[i] = (curr_gain[i] & 0x0070) >> 4;
				target.txgm[i] = (curr_gain[i] & 0x0380) >> 7;
			}
		}
	} else {
		int i;
		u16 index[2];
		index[0] = (b43_phy_read(dev, B43_NPHY_C1_TXPCTL_STAT) &
			B43_NPHY_TXPCTL_STAT_BIDX) >>
			B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
		index[1] = (b43_phy_read(dev, B43_NPHY_C2_TXPCTL_STAT) &
			B43_NPHY_TXPCTL_STAT_BIDX) >>
			B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;

		for (i = 0; i < 2; ++i) {
3502
			table = b43_nphy_get_tx_gain_table(dev);
3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519
			if (dev->phy.rev >= 3) {
				target.ipa[i] = (table[index[i]] >> 16) & 0xF;
				target.pad[i] = (table[index[i]] >> 20) & 0xF;
				target.pga[i] = (table[index[i]] >> 24) & 0xF;
				target.txgm[i] = (table[index[i]] >> 28) & 0xF;
			} else {
				target.ipa[i] = (table[index[i]] >> 16) & 0x3;
				target.pad[i] = (table[index[i]] >> 18) & 0x3;
				target.pga[i] = (table[index[i]] >> 20) & 0x7;
				target.txgm[i] = (table[index[i]] >> 23) & 0x7;
			}
		}
	}

	return target;
}

3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhyCleanup */
static void b43_nphy_tx_cal_phy_cleanup(struct b43_wldev *dev)
{
	u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;

	if (dev->phy.rev >= 3) {
		b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[0]);
		b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[3]);
		b43_phy_write(dev, B43_NPHY_BBCFG, regs[4]);
3531 3532
		b43_ntab_write(dev, B43_NTAB16(8, 3), regs[5]);
		b43_ntab_write(dev, B43_NTAB16(8, 19), regs[6]);
3533 3534 3535 3536 3537 3538 3539 3540 3541
		b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[7]);
		b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[8]);
		b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
		b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
		b43_nphy_reset_cca(dev);
	} else {
		b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, regs[0]);
		b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, regs[1]);
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
3542 3543
		b43_ntab_write(dev, B43_NTAB16(8, 2), regs[3]);
		b43_ntab_write(dev, B43_NTAB16(8, 18), regs[4]);
3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564 3565 3566 3567 3568 3569
		b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[5]);
		b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[6]);
	}
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhySetup */
static void b43_nphy_tx_cal_phy_setup(struct b43_wldev *dev)
{
	u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
	u16 tmp;

	regs[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
	regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
	if (dev->phy.rev >= 3) {
		b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0xF0FF, 0x0A00);
		b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0xF0FF, 0x0A00);

		tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
		regs[2] = tmp;
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, tmp | 0x0600);

		tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
		regs[3] = tmp;
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x0600);

		regs[4] = b43_phy_read(dev, B43_NPHY_BBCFG);
3570 3571
		b43_phy_mask(dev, B43_NPHY_BBCFG,
			     ~B43_NPHY_BBCFG_RSTRX & 0xFFFF);
3572

3573
		tmp = b43_ntab_read(dev, B43_NTAB16(8, 3));
3574
		regs[5] = tmp;
3575
		b43_ntab_write(dev, B43_NTAB16(8, 3), 0);
3576 3577

		tmp = b43_ntab_read(dev, B43_NTAB16(8, 19));
3578
		regs[6] = tmp;
3579
		b43_ntab_write(dev, B43_NTAB16(8, 19), 0);
3580 3581 3582
		regs[7] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
		regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);

3583 3584 3585
		b43_nphy_rf_control_intc_override(dev, 2, 1, 3);
		b43_nphy_rf_control_intc_override(dev, 1, 2, 1);
		b43_nphy_rf_control_intc_override(dev, 1, 8, 2);
3586 3587 3588 3589 3590 3591 3592 3593 3594 3595 3596

		regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
		regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
		b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
		b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
	} else {
		b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, 0xA000);
		b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, 0xA000);
		tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
		regs[2] = tmp;
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x3000);
3597
		tmp = b43_ntab_read(dev, B43_NTAB16(8, 2));
3598 3599
		regs[3] = tmp;
		tmp |= 0x2000;
3600
		b43_ntab_write(dev, B43_NTAB16(8, 2), tmp);
3601
		tmp = b43_ntab_read(dev, B43_NTAB16(8, 18));
3602 3603
		regs[4] = tmp;
		tmp |= 0x2000;
3604
		b43_ntab_write(dev, B43_NTAB16(8, 18), tmp);
3605 3606 3607 3608 3609 3610 3611 3612 3613 3614 3615
		regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
		regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
		if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
			tmp = 0x0180;
		else
			tmp = 0x0120;
		b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
		b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
	}
}

3616 3617 3618 3619 3620 3621 3622
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SaveCal */
static void b43_nphy_save_cal(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;

	struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
	u16 *txcal_radio_regs = NULL;
3623
	struct b43_chanspec *iqcal_chanspec;
3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643 3644 3645 3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657
	u16 *table = NULL;

	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 1);

	if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
		rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
		txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
		iqcal_chanspec = &nphy->iqcal_chanspec_2G;
		table = nphy->cal_cache.txcal_coeffs_2G;
	} else {
		rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
		txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
		iqcal_chanspec = &nphy->iqcal_chanspec_5G;
		table = nphy->cal_cache.txcal_coeffs_5G;
	}

	b43_nphy_rx_iq_coeffs(dev, false, rxcal_coeffs);
	/* TODO use some definitions */
	if (dev->phy.rev >= 3) {
		txcal_radio_regs[0] = b43_radio_read(dev, 0x2021);
		txcal_radio_regs[1] = b43_radio_read(dev, 0x2022);
		txcal_radio_regs[2] = b43_radio_read(dev, 0x3021);
		txcal_radio_regs[3] = b43_radio_read(dev, 0x3022);
		txcal_radio_regs[4] = b43_radio_read(dev, 0x2023);
		txcal_radio_regs[5] = b43_radio_read(dev, 0x2024);
		txcal_radio_regs[6] = b43_radio_read(dev, 0x3023);
		txcal_radio_regs[7] = b43_radio_read(dev, 0x3024);
	} else {
		txcal_radio_regs[0] = b43_radio_read(dev, 0x8B);
		txcal_radio_regs[1] = b43_radio_read(dev, 0xBA);
		txcal_radio_regs[2] = b43_radio_read(dev, 0x8D);
		txcal_radio_regs[3] = b43_radio_read(dev, 0xBC);
	}
3658 3659
	iqcal_chanspec->center_freq = dev->phy.channel_freq;
	iqcal_chanspec->channel_type = dev->phy.channel_type;
3660
	b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 8, table);
3661 3662 3663 3664 3665

	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 0);
}

3666 3667 3668 3669 3670 3671 3672 3673 3674 3675 3676 3677 3678 3679
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreCal */
static void b43_nphy_restore_cal(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;

	u16 coef[4];
	u16 *loft = NULL;
	u16 *table = NULL;

	int i;
	u16 *txcal_radio_regs = NULL;
	struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;

	if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
3680
		if (!nphy->iqcal_chanspec_2G.center_freq)
3681 3682 3683 3684
			return;
		table = nphy->cal_cache.txcal_coeffs_2G;
		loft = &nphy->cal_cache.txcal_coeffs_2G[5];
	} else {
3685
		if (!nphy->iqcal_chanspec_5G.center_freq)
3686 3687 3688 3689 3690
			return;
		table = nphy->cal_cache.txcal_coeffs_5G;
		loft = &nphy->cal_cache.txcal_coeffs_5G[5];
	}

3691
	b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4, table);
3692 3693 3694 3695 3696 3697 3698 3699

	for (i = 0; i < 4; i++) {
		if (dev->phy.rev >= 3)
			table[i] = coef[i];
		else
			coef[i] = 0;
	}

3700 3701 3702
	b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4, coef);
	b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2, loft);
	b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2, loft);
3703 3704 3705 3706 3707 3708 3709 3710 3711 3712 3713 3714 3715 3716 3717 3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732 3733

	if (dev->phy.rev < 2)
		b43_nphy_tx_iq_workaround(dev);

	if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
		txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
		rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
	} else {
		txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
		rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
	}

	/* TODO use some definitions */
	if (dev->phy.rev >= 3) {
		b43_radio_write(dev, 0x2021, txcal_radio_regs[0]);
		b43_radio_write(dev, 0x2022, txcal_radio_regs[1]);
		b43_radio_write(dev, 0x3021, txcal_radio_regs[2]);
		b43_radio_write(dev, 0x3022, txcal_radio_regs[3]);
		b43_radio_write(dev, 0x2023, txcal_radio_regs[4]);
		b43_radio_write(dev, 0x2024, txcal_radio_regs[5]);
		b43_radio_write(dev, 0x3023, txcal_radio_regs[6]);
		b43_radio_write(dev, 0x3024, txcal_radio_regs[7]);
	} else {
		b43_radio_write(dev, 0x8B, txcal_radio_regs[0]);
		b43_radio_write(dev, 0xBA, txcal_radio_regs[1]);
		b43_radio_write(dev, 0x8D, txcal_radio_regs[2]);
		b43_radio_write(dev, 0xBC, txcal_radio_regs[3]);
	}
	b43_nphy_rx_iq_coeffs(dev, true, rxcal_coeffs);
}

3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalTxIqlo */
static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev,
				struct nphy_txgains target,
				bool full, bool mphase)
{
	struct b43_phy_n *nphy = dev->phy.n;
	int i;
	int error = 0;
	int freq;
	bool avoid = false;
	u8 length;
3745
	u16 tmp, core, type, count, max, numb, last = 0, cmd;
3746 3747 3748 3749 3750 3751 3752 3753 3754 3755 3756 3757 3758 3759
	const u16 *table;
	bool phy6or5x;

	u16 buffer[11];
	u16 diq_start = 0;
	u16 save[2];
	u16 gain[2];
	struct nphy_iqcal_params params[2];
	bool updated[2] = { };

	b43_nphy_stay_in_carrier_search(dev, true);

	if (dev->phy.rev >= 4) {
		avoid = nphy->hang_avoid;
3760
		nphy->hang_avoid = false;
3761 3762
	}

3763
	b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
3764 3765 3766 3767 3768

	for (i = 0; i < 2; i++) {
		b43_nphy_iq_cal_gain_params(dev, i, target, &params[i]);
		gain[i] = params[i].cal_gain;
	}
3769 3770

	b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain);
3771 3772

	b43_nphy_tx_cal_radio_setup(dev);
3773
	b43_nphy_tx_cal_phy_setup(dev);
3774 3775 3776 3777 3778

	phy6or5x = dev->phy.rev >= 6 ||
		(dev->phy.rev == 5 && nphy->ipa2g_on &&
		b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ);
	if (phy6or5x) {
3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789
		if (dev->phy.is_40mhz) {
			b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
					tbl_tx_iqlo_cal_loft_ladder_40);
			b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
					tbl_tx_iqlo_cal_iqimb_ladder_40);
		} else {
			b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
					tbl_tx_iqlo_cal_loft_ladder_20);
			b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
					tbl_tx_iqlo_cal_iqimb_ladder_20);
		}
3790 3791 3792 3793
	}

	b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8AA9);

R
Rafał Miłecki 已提交
3794
	if (!dev->phy.is_40mhz)
3795 3796 3797 3798 3799
		freq = 2500;
	else
		freq = 5000;

	if (nphy->mphase_cal_phase_id > 2)
3800 3801
		b43_nphy_run_samples(dev, (dev->phy.is_40mhz ? 40 : 20) * 8,
					0xFFFF, 0, true, false);
3802
	else
R
Rafał Miłecki 已提交
3803
		error = b43_nphy_tx_tone(dev, freq, 250, true, false);
3804 3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828

	if (error == 0) {
		if (nphy->mphase_cal_phase_id > 2) {
			table = nphy->mphase_txcal_bestcoeffs;
			length = 11;
			if (dev->phy.rev < 3)
				length -= 2;
		} else {
			if (!full && nphy->txiqlocal_coeffsvalid) {
				table = nphy->txiqlocal_bestc;
				length = 11;
				if (dev->phy.rev < 3)
					length -= 2;
			} else {
				full = true;
				if (dev->phy.rev >= 3) {
					table = tbl_tx_iqlo_cal_startcoefs_nphyrev3;
					length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS_REV3;
				} else {
					table = tbl_tx_iqlo_cal_startcoefs;
					length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS;
				}
			}
		}

3829
		b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length, table);
3830 3831 3832 3833 3834 3835 3836 3837 3838 3839 3840 3841 3842 3843 3844 3845 3846 3847 3848 3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863 3864 3865 3866 3867 3868 3869

		if (full) {
			if (dev->phy.rev >= 3)
				max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL_REV3;
			else
				max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL;
		} else {
			if (dev->phy.rev >= 3)
				max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL_REV3;
			else
				max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL;
		}

		if (mphase) {
			count = nphy->mphase_txcal_cmdidx;
			numb = min(max,
				(u16)(count + nphy->mphase_txcal_numcmds));
		} else {
			count = 0;
			numb = max;
		}

		for (; count < numb; count++) {
			if (full) {
				if (dev->phy.rev >= 3)
					cmd = tbl_tx_iqlo_cal_cmds_fullcal_nphyrev3[count];
				else
					cmd = tbl_tx_iqlo_cal_cmds_fullcal[count];
			} else {
				if (dev->phy.rev >= 3)
					cmd = tbl_tx_iqlo_cal_cmds_recal_nphyrev3[count];
				else
					cmd = tbl_tx_iqlo_cal_cmds_recal[count];
			}

			core = (cmd & 0x3000) >> 12;
			type = (cmd & 0x0F00) >> 8;

			if (phy6or5x && updated[core] == 0) {
				b43_nphy_update_tx_cal_ladder(dev, core);
3870
				updated[core] = true;
3871 3872 3873 3874 3875 3876
			}

			tmp = (params[core].ncorr[type] << 8) | 0x66;
			b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDNNUM, tmp);

			if (type == 1 || type == 3 || type == 4) {
3877 3878
				buffer[0] = b43_ntab_read(dev,
						B43_NTAB16(15, 69 + core));
3879 3880
				diq_start = buffer[0];
				buffer[0] = 0;
3881 3882
				b43_ntab_write(dev, B43_NTAB16(15, 69 + core),
						0);
3883 3884 3885 3886 3887 3888 3889 3890 3891 3892
			}

			b43_phy_write(dev, B43_NPHY_IQLOCAL_CMD, cmd);
			for (i = 0; i < 2000; i++) {
				tmp = b43_phy_read(dev, B43_NPHY_IQLOCAL_CMD);
				if (tmp & 0xC000)
					break;
				udelay(10);
			}

3893 3894
			b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
						buffer);
3895 3896
			b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length,
						buffer);
3897 3898 3899 3900 3901 3902 3903 3904 3905 3906 3907

			if (type == 1 || type == 3 || type == 4)
				buffer[0] = diq_start;
		}

		if (mphase)
			nphy->mphase_txcal_cmdidx = (numb >= max) ? 0 : numb;

		last = (dev->phy.rev < 3) ? 6 : 7;

		if (!mphase || nphy->mphase_cal_phase_id == last) {
3908
			b43_ntab_write_bulk(dev, B43_NTAB16(15, 96), 4, buffer);
3909
			b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 4, buffer);
3910 3911 3912 3913 3914 3915
			if (dev->phy.rev < 3) {
				buffer[0] = 0;
				buffer[1] = 0;
				buffer[2] = 0;
				buffer[3] = 0;
			}
3916 3917
			b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
						buffer);
3918
			b43_ntab_read_bulk(dev, B43_NTAB16(15, 101), 2,
3919 3920 3921 3922 3923
						buffer);
			b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
						buffer);
			b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
						buffer);
3924 3925 3926
			length = 11;
			if (dev->phy.rev < 3)
				length -= 2;
3927 3928
			b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
						nphy->txiqlocal_bestc);
3929
			nphy->txiqlocal_coeffsvalid = true;
3930 3931 3932 3933
			nphy->txiqlocal_chanspec.center_freq =
							dev->phy.channel_freq;
			nphy->txiqlocal_chanspec.channel_type =
							dev->phy.channel_type;
3934 3935 3936 3937
		} else {
			length = 11;
			if (dev->phy.rev < 3)
				length -= 2;
3938 3939
			b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
						nphy->mphase_txcal_bestcoeffs);
3940 3941
		}

3942
		b43_nphy_stop_playback(dev);
3943 3944 3945
		b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0);
	}

3946
	b43_nphy_tx_cal_phy_cleanup(dev);
3947
	b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
3948 3949 3950 3951 3952 3953 3954 3955 3956 3957 3958 3959

	if (dev->phy.rev < 2 && (!mphase || nphy->mphase_cal_phase_id == last))
		b43_nphy_tx_iq_workaround(dev);

	if (dev->phy.rev >= 4)
		nphy->hang_avoid = avoid;

	b43_nphy_stay_in_carrier_search(dev, false);

	return error;
}

3960 3961 3962 3963 3964 3965 3966 3967
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ReapplyTxCalCoeffs */
static void b43_nphy_reapply_tx_cal_coeffs(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;
	u8 i;
	u16 buffer[7];
	bool equal = true;

3968
	if (!nphy->txiqlocal_coeffsvalid ||
3969 3970
	    nphy->txiqlocal_chanspec.center_freq != dev->phy.channel_freq ||
	    nphy->txiqlocal_chanspec.channel_type != dev->phy.channel_type)
3971 3972 3973 3974 3975 3976 3977 3978 3979 3980 3981 3982 3983 3984 3985 3986 3987 3988 3989 3990 3991 3992 3993 3994
		return;

	b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
	for (i = 0; i < 4; i++) {
		if (buffer[i] != nphy->txiqlocal_bestc[i]) {
			equal = false;
			break;
		}
	}

	if (!equal) {
		b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4,
					nphy->txiqlocal_bestc);
		for (i = 0; i < 4; i++)
			buffer[i] = 0;
		b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
					buffer);
		b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
					&nphy->txiqlocal_bestc[5]);
		b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
					&nphy->txiqlocal_bestc[5]);
	}
}

3995 3996 3997 3998 3999 4000 4001 4002 4003
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIqRev2 */
static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev,
			struct nphy_txgains target, u8 type, bool debug)
{
	struct b43_phy_n *nphy = dev->phy.n;
	int i, j, index;
	u8 rfctl[2];
	u8 afectl_core;
	u16 tmp[6];
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4004
	u16 uninitialized_var(cur_hpf1), uninitialized_var(cur_hpf2), cur_lna;
4005 4006 4007 4008 4009 4010 4011 4012
	u32 real, imag;
	enum ieee80211_band band;

	u8 use;
	u16 cur_hpf;
	u16 lna[3] = { 3, 3, 1 };
	u16 hpf1[3] = { 7, 2, 0 };
	u16 hpf2[3] = { 2, 0, 0 };
4013
	u32 power[3] = { };
4014 4015 4016 4017 4018 4019 4020 4021 4022 4023 4024
	u16 gain_save[2];
	u16 cal_gain[2];
	struct nphy_iqcal_params cal_params[2];
	struct nphy_iq_est est;
	int ret = 0;
	bool playtone = true;
	int desired = 13;

	b43_nphy_stay_in_carrier_search(dev, 1);

	if (dev->phy.rev < 2)
4025
		b43_nphy_reapply_tx_cal_coeffs(dev);
4026
	b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
4027 4028 4029 4030
	for (i = 0; i < 2; i++) {
		b43_nphy_iq_cal_gain_params(dev, i, target, &cal_params[i]);
		cal_gain[i] = cal_params[i].cal_gain;
	}
4031
	b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, cal_gain);
4032 4033 4034 4035 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048 4049 4050

	for (i = 0; i < 2; i++) {
		if (i == 0) {
			rfctl[0] = B43_NPHY_RFCTL_INTC1;
			rfctl[1] = B43_NPHY_RFCTL_INTC2;
			afectl_core = B43_NPHY_AFECTL_C1;
		} else {
			rfctl[0] = B43_NPHY_RFCTL_INTC2;
			rfctl[1] = B43_NPHY_RFCTL_INTC1;
			afectl_core = B43_NPHY_AFECTL_C2;
		}

		tmp[1] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
		tmp[2] = b43_phy_read(dev, afectl_core);
		tmp[3] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
		tmp[4] = b43_phy_read(dev, rfctl[0]);
		tmp[5] = b43_phy_read(dev, rfctl[1]);

		b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
4051
				~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
4052 4053 4054 4055 4056 4057 4058 4059 4060 4061 4062 4063 4064 4065 4066 4067 4068 4069 4070 4071 4072 4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083
				((1 - i) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
		b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
				(1 - i));
		b43_phy_set(dev, afectl_core, 0x0006);
		b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0006);

		band = b43_current_band(dev->wl);

		if (nphy->rxcalparams & 0xFF000000) {
			if (band == IEEE80211_BAND_5GHZ)
				b43_phy_write(dev, rfctl[0], 0x140);
			else
				b43_phy_write(dev, rfctl[0], 0x110);
		} else {
			if (band == IEEE80211_BAND_5GHZ)
				b43_phy_write(dev, rfctl[0], 0x180);
			else
				b43_phy_write(dev, rfctl[0], 0x120);
		}

		if (band == IEEE80211_BAND_5GHZ)
			b43_phy_write(dev, rfctl[1], 0x148);
		else
			b43_phy_write(dev, rfctl[1], 0x114);

		if (nphy->rxcalparams & 0x10000) {
			b43_radio_maskset(dev, B2055_C1_GENSPARE2, 0xFC,
					(i + 1));
			b43_radio_maskset(dev, B2055_C2_GENSPARE2, 0xFC,
					(2 - i));
		}

4084
		for (j = 0; j < 4; j++) {
4085 4086 4087 4088 4089 4090 4091 4092 4093 4094 4095 4096 4097 4098 4099 4100 4101 4102 4103 4104 4105 4106 4107 4108 4109 4110 4111 4112 4113 4114 4115 4116 4117
			if (j < 3) {
				cur_lna = lna[j];
				cur_hpf1 = hpf1[j];
				cur_hpf2 = hpf2[j];
			} else {
				if (power[1] > 10000) {
					use = 1;
					cur_hpf = cur_hpf1;
					index = 2;
				} else {
					if (power[0] > 10000) {
						use = 1;
						cur_hpf = cur_hpf1;
						index = 1;
					} else {
						index = 0;
						use = 2;
						cur_hpf = cur_hpf2;
					}
				}
				cur_lna = lna[index];
				cur_hpf1 = hpf1[index];
				cur_hpf2 = hpf2[index];
				cur_hpf += desired - hweight32(power[index]);
				cur_hpf = clamp_val(cur_hpf, 0, 10);
				if (use == 1)
					cur_hpf1 = cur_hpf;
				else
					cur_hpf2 = cur_hpf;
			}

			tmp[0] = ((cur_hpf2 << 8) | (cur_hpf1 << 4) |
					(cur_lna << 2));
4118 4119
			b43_nphy_rf_control_override(dev, 0x400, tmp[0], 3,
									false);
4120
			b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
4121
			b43_nphy_stop_playback(dev);
4122 4123

			if (playtone) {
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4124 4125 4126
				ret = b43_nphy_tx_tone(dev, 4000,
						(nphy->rxcalparams & 0xFFFF),
						false, false);
4127 4128
				playtone = false;
			} else {
4129 4130
				b43_nphy_run_samples(dev, 160, 0xFFFF, 0,
							false, false);
4131 4132 4133 4134 4135 4136 4137 4138 4139 4140 4141 4142 4143 4144 4145 4146 4147
			}

			if (ret == 0) {
				if (j < 3) {
					b43_nphy_rx_iq_est(dev, &est, 1024, 32,
									false);
					if (i == 0) {
						real = est.i0_pwr;
						imag = est.q0_pwr;
					} else {
						real = est.i1_pwr;
						imag = est.q1_pwr;
					}
					power[i] = ((real + imag) / 1024) + 1;
				} else {
					b43_nphy_calc_rx_iq_comp(dev, 1 << i);
				}
4148
				b43_nphy_stop_playback(dev);
4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 4164 4165 4166
			}

			if (ret != 0)
				break;
		}

		b43_radio_mask(dev, B2055_C1_GENSPARE2, 0xFC);
		b43_radio_mask(dev, B2055_C2_GENSPARE2, 0xFC);
		b43_phy_write(dev, rfctl[1], tmp[5]);
		b43_phy_write(dev, rfctl[0], tmp[4]);
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp[3]);
		b43_phy_write(dev, afectl_core, tmp[2]);
		b43_phy_write(dev, B43_NPHY_RFSEQCA, tmp[1]);

		if (ret != 0)
			break;
	}

4167
	b43_nphy_rf_control_override(dev, 0x400, 0, 3, true);
4168
	b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
4169
	b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
4170 4171 4172 4173 4174 4175 4176 4177 4178 4179 4180 4181 4182 4183 4184 4185 4186 4187 4188 4189 4190 4191

	b43_nphy_stay_in_carrier_search(dev, 0);

	return ret;
}

static int b43_nphy_rev3_cal_rx_iq(struct b43_wldev *dev,
			struct nphy_txgains target, u8 type, bool debug)
{
	return -1;
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIq */
static int b43_nphy_cal_rx_iq(struct b43_wldev *dev,
			struct nphy_txgains target, u8 type, bool debug)
{
	if (dev->phy.rev >= 3)
		return b43_nphy_rev3_cal_rx_iq(dev, target, type, debug);
	else
		return b43_nphy_rev2_cal_rx_iq(dev, target, type, debug);
}

4192 4193 4194 4195 4196
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCoreSetState */
static void b43_nphy_set_rx_core_state(struct b43_wldev *dev, u8 mask)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_n *nphy = phy->n;
R
Rafał Miłecki 已提交
4197
	/* u16 buf[16]; it's rev3+ */
4198

4199 4200
	nphy->phyrxchain = mask;

4201 4202 4203 4204 4205 4206 4207 4208 4209 4210 4211
	if (0 /* FIXME clk */)
		return;

	b43_mac_suspend(dev);

	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, true);

	b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
			(mask & 0x3) << B43_NPHY_RFSEQCA_RXEN_SHIFT);

4212
	if ((mask & 0x3) != 0x3) {
4213 4214 4215 4216 4217 4218 4219 4220 4221 4222 4223 4224 4225 4226 4227 4228 4229 4230 4231
		b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 1);
		if (dev->phy.rev >= 3) {
			/* TODO */
		}
	} else {
		b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 0x1E);
		if (dev->phy.rev >= 3) {
			/* TODO */
		}
	}

	b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);

	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, false);

	b43_mac_enable(dev);
}

4232 4233 4234 4235
/**************************************************
 * N-PHY init
 **************************************************/

4236
/*
4237 4238
 * Upload the N-PHY tables.
 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/InitTables
4239
 */
4240 4241 4242 4243 4244 4245 4246 4247 4248 4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259 4260 4261 4262 4263 4264 4265 4266 4267 4268 4269 4270 4271 4272 4273 4274 4275 4276 4277 4278 4279 4280 4281 4282 4283 4284 4285 4286 4287 4288 4289 4290 4291 4292 4293 4294 4295 4296 4297 4298 4299 4300 4301 4302 4303 4304 4305 4306 4307 4308 4309 4310 4311
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);
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MIMOConfig */
static void b43_nphy_update_mimo_config(struct b43_wldev *dev, s32 preamble)
{
	u16 mimocfg = b43_phy_read(dev, B43_NPHY_MIMOCFG);

	mimocfg |= B43_NPHY_MIMOCFG_AUTO;
	if (preamble == 1)
		mimocfg |= B43_NPHY_MIMOCFG_GFMIX;
	else
		mimocfg &= ~B43_NPHY_MIMOCFG_GFMIX;

	b43_phy_write(dev, B43_NPHY_MIMOCFG, mimocfg);
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BPHYInit */
static void b43_nphy_bphy_init(struct b43_wldev *dev)
{
	unsigned int i;
	u16 val;

	val = 0x1E1F;
	for (i = 0; i < 16; 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(0x98 + i), val);
		val -= 0x202;
	}
	b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668);
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SuperSwitchInit */
static void b43_nphy_superswitch_init(struct b43_wldev *dev, bool init)
{
	if (dev->phy.rev >= 3) {
		if (!init)
			return;
		if (0 /* FIXME */) {
			b43_ntab_write(dev, B43_NTAB16(9, 2), 0x211);
			b43_ntab_write(dev, B43_NTAB16(9, 3), 0x222);
			b43_ntab_write(dev, B43_NTAB16(9, 8), 0x144);
			b43_ntab_write(dev, B43_NTAB16(9, 12), 0x188);
		}
	} else {
		b43_phy_write(dev, B43_NPHY_GPIO_LOOEN, 0);
		b43_phy_write(dev, B43_NPHY_GPIO_HIOEN, 0);

		switch (dev->dev->bus_type) {
#ifdef CONFIG_B43_BCMA
		case B43_BUS_BCMA:
			bcma_chipco_gpio_control(&dev->dev->bdev->bus->drv_cc,
						 0xFC00, 0xFC00);
			break;
#endif
#ifdef CONFIG_B43_SSB
		case B43_BUS_SSB:
			ssb_chipco_gpio_control(&dev->dev->sdev->bus->chipco,
						0xFC00, 0xFC00);
			break;
#endif
		}

R
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4312 4313 4314 4315
		b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_GPOUTSMSK, 0);
		b43_maskset16(dev, B43_MMIO_GPIO_MASK, ~0, 0xFC00);
		b43_maskset16(dev, B43_MMIO_GPIO_CONTROL, (~0xFC00 & 0xFFFF),
			      0);
4316 4317 4318 4319 4320 4321 4322 4323 4324 4325 4326

		if (init) {
			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);
		}
	}
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/Init/N */
4327 4328
int b43_phy_initn(struct b43_wldev *dev)
{
R
Rafał Miłecki 已提交
4329
	struct ssb_sprom *sprom = dev->dev->bus_sprom;
M
Michael Buesch 已提交
4330
	struct b43_phy *phy = &dev->phy;
4331 4332 4333
	struct b43_phy_n *nphy = phy->n;
	u8 tx_pwr_state;
	struct nphy_txgains target;
M
Michael Buesch 已提交
4334
	u16 tmp;
4335 4336 4337 4338 4339
	enum ieee80211_band tmp2;
	bool do_rssi_cal;

	u16 clip[2];
	bool do_cal = false;
M
Michael Buesch 已提交
4340

4341
	if ((dev->phy.rev >= 3) &&
R
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4342
	   (sprom->boardflags_lo & B43_BFL_EXTLNA) &&
4343
	   (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)) {
4344
		switch (dev->dev->bus_type) {
4345 4346 4347 4348 4349 4350
#ifdef CONFIG_B43_BCMA
		case B43_BUS_BCMA:
			bcma_cc_set32(&dev->dev->bdev->bus->drv_cc,
				      BCMA_CC_CHIPCTL, 0x40);
			break;
#endif
4351 4352 4353 4354 4355 4356 4357
#ifdef CONFIG_B43_SSB
		case B43_BUS_SSB:
			chipco_set32(&dev->dev->sdev->bus->chipco,
				     SSB_CHIPCO_CHIPCTL, 0x40);
			break;
#endif
		}
4358 4359
	}
	nphy->deaf_count = 0;
M
Michael Buesch 已提交
4360
	b43_nphy_tables_init(dev);
4361 4362
	nphy->crsminpwr_adjusted = false;
	nphy->noisevars_adjusted = false;
M
Michael Buesch 已提交
4363 4364

	/* Clear all overrides */
4365 4366 4367 4368 4369 4370 4371 4372
	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);
	}
M
Michael Buesch 已提交
4373 4374
	b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, 0);
	b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, 0);
4375 4376 4377 4378
	if (dev->phy.rev < 6) {
		b43_phy_write(dev, B43_NPHY_RFCTL_INTC3, 0);
		b43_phy_write(dev, B43_NPHY_RFCTL_INTC4, 0);
	}
M
Michael Buesch 已提交
4379 4380 4381
	b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
		     ~(B43_NPHY_RFSEQMODE_CAOVER |
		       B43_NPHY_RFSEQMODE_TROVER));
4382 4383
	if (dev->phy.rev >= 3)
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, 0);
M
Michael Buesch 已提交
4384 4385
	b43_phy_write(dev, B43_NPHY_AFECTL_OVER, 0);

4386 4387 4388 4389 4390 4391
	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);
	}
M
Michael Buesch 已提交
4392 4393 4394
	b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_20M, 0x20);
	b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_40M, 0x20);

4395
	if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD ||
R
Rafał Miłecki 已提交
4396 4397
	    (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE &&
	     dev->dev->board_type == 0x8B))
4398 4399 4400 4401 4402 4403
		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);
4404

4405
	b43_nphy_update_mimo_config(dev, nphy->preamble_override);
4406
	b43_nphy_update_txrx_chain(dev);
M
Michael Buesch 已提交
4407 4408 4409 4410 4411

	if (phy->rev < 2) {
		b43_phy_write(dev, B43_NPHY_DUP40_GFBL, 0xAA8);
		b43_phy_write(dev, B43_NPHY_DUP40_BL, 0x9A4);
	}
4412 4413

	tmp2 = b43_current_band(dev->wl);
4414
	if (b43_nphy_ipa(dev)) {
4415 4416 4417 4418 4419 4420
		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);
4421
		b43_nphy_int_pa_set_tx_dig_filters(dev);
4422
	} else if (phy->rev >= 5) {
4423
		b43_nphy_ext_pa_set_tx_dig_filters(dev);
4424 4425
	}

M
Michael Buesch 已提交
4426 4427
	b43_nphy_workarounds(dev);

4428
	/* Reset CCA, in init code it differs a little from standard way */
4429
	b43_phy_force_clock(dev, 1);
4430 4431 4432
	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);
4433
	b43_phy_force_clock(dev, 0);
4434

4435
	b43_mac_phy_clock_set(dev, true);
4436

4437
	b43_nphy_pa_override(dev, false);
M
Michael Buesch 已提交
4438 4439
	b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
	b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
4440
	b43_nphy_pa_override(dev, true);
4441

4442 4443
	b43_nphy_classifier(dev, 0, 0);
	b43_nphy_read_clip_detection(dev, clip);
4444 4445 4446
	if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
		b43_nphy_bphy_init(dev);

4447
	tx_pwr_state = nphy->txpwrctrl;
4448 4449
	b43_nphy_tx_power_ctrl(dev, false);
	b43_nphy_tx_power_fix(dev);
4450
	b43_nphy_tx_power_ctl_idle_tssi(dev);
4451
	b43_nphy_tx_power_ctl_setup(dev);
4452
	b43_nphy_tx_gain_table_upload(dev);
M
Michael Buesch 已提交
4453

4454
	if (nphy->phyrxchain != 3)
4455
		b43_nphy_set_rx_core_state(dev, nphy->phyrxchain);
4456 4457 4458 4459 4460 4461
	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)
4462
			do_rssi_cal = !nphy->rssical_chanspec_2G.center_freq;
4463
		else
4464
			do_rssi_cal = !nphy->rssical_chanspec_5G.center_freq;
4465 4466

		if (do_rssi_cal)
4467
			b43_nphy_rssi_cal(dev);
4468
		else
4469
			b43_nphy_restore_rssi_cal(dev);
4470
	} else {
4471
		b43_nphy_rssi_cal(dev);
4472 4473 4474 4475
	}

	if (!((nphy->measure_hold & 0x6) != 0)) {
		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
4476
			do_cal = !nphy->iqcal_chanspec_2G.center_freq;
4477
		else
4478
			do_cal = !nphy->iqcal_chanspec_5G.center_freq;
4479 4480 4481 4482 4483

		if (nphy->mute)
			do_cal = false;

		if (do_cal) {
4484
			target = b43_nphy_get_tx_gains(dev);
4485 4486

			if (nphy->antsel_type == 2)
4487
				b43_nphy_superswitch_init(dev, true);
4488
			if (nphy->perical != 2) {
4489
				b43_nphy_rssi_cal(dev);
4490 4491 4492 4493 4494 4495
				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 */
4496
					target = b43_nphy_get_tx_gains(dev);
4497
				}
4498 4499 4500 4501 4502 4503 4504
				if (!b43_nphy_cal_tx_iq_lo(dev, target, true, false))
					if (b43_nphy_cal_rx_iq(dev, target, 2, 0) == 0)
						b43_nphy_save_cal(dev);
			} else if (nphy->mphase_cal_phase_id == 0)
				;/* N PHY Periodic Calibration with arg 3 */
		} else {
			b43_nphy_restore_cal(dev);
4505 4506 4507
		}
	}

4508
	b43_nphy_tx_pwr_ctrl_coef_setup(dev);
4509
	b43_nphy_tx_power_ctrl(dev, tx_pwr_state);
4510 4511 4512 4513
	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);
4514
	b43_nphy_tx_lp_fbw(dev);
4515 4516
	if (phy->rev >= 3)
		b43_nphy_spur_workaround(dev);
M
Michael Buesch 已提交
4517

M
Michael Buesch 已提交
4518
	return 0;
4519
}
M
Michael Buesch 已提交
4520

4521 4522 4523 4524 4525 4526 4527 4528 4529 4530 4531 4532 4533 4534 4535
/**************************************************
 * Channel switching ops.
 **************************************************/

static void b43_chantab_phy_upload(struct b43_wldev *dev,
				   const struct b43_phy_n_sfo_cfg *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);
}

4536 4537 4538
/* http://bcm-v4.sipsolutions.net/802.11/PmuSpurAvoid */
static void b43_nphy_pmu_spur_avoid(struct b43_wldev *dev, bool avoid)
{
4539 4540
	struct bcma_drv_cc __maybe_unused *cc;
	u32 __maybe_unused pmu_ctl;
4541 4542 4543 4544 4545 4546 4547 4548 4549 4550 4551 4552 4553 4554 4555 4556 4557 4558 4559 4560 4561 4562 4563 4564 4565 4566 4567 4568 4569 4570 4571 4572 4573 4574 4575 4576 4577 4578 4579 4580 4581 4582 4583 4584 4585 4586 4587 4588 4589 4590 4591

	switch (dev->dev->bus_type) {
#ifdef CONFIG_B43_BCMA
	case B43_BUS_BCMA:
		cc = &dev->dev->bdev->bus->drv_cc;
		if (dev->dev->chip_id == 43224 || dev->dev->chip_id == 43225) {
			if (avoid) {
				bcma_chipco_pll_write(cc, 0x0, 0x11500010);
				bcma_chipco_pll_write(cc, 0x1, 0x000C0C06);
				bcma_chipco_pll_write(cc, 0x2, 0x0F600a08);
				bcma_chipco_pll_write(cc, 0x3, 0x00000000);
				bcma_chipco_pll_write(cc, 0x4, 0x2001E920);
				bcma_chipco_pll_write(cc, 0x5, 0x88888815);
			} else {
				bcma_chipco_pll_write(cc, 0x0, 0x11100010);
				bcma_chipco_pll_write(cc, 0x1, 0x000c0c06);
				bcma_chipco_pll_write(cc, 0x2, 0x03000a08);
				bcma_chipco_pll_write(cc, 0x3, 0x00000000);
				bcma_chipco_pll_write(cc, 0x4, 0x200005c0);
				bcma_chipco_pll_write(cc, 0x5, 0x88888815);
			}
			pmu_ctl = BCMA_CC_PMU_CTL_PLL_UPD;
		} else if (dev->dev->chip_id == 0x4716) {
			if (avoid) {
				bcma_chipco_pll_write(cc, 0x0, 0x11500060);
				bcma_chipco_pll_write(cc, 0x1, 0x080C0C06);
				bcma_chipco_pll_write(cc, 0x2, 0x0F600000);
				bcma_chipco_pll_write(cc, 0x3, 0x00000000);
				bcma_chipco_pll_write(cc, 0x4, 0x2001E924);
				bcma_chipco_pll_write(cc, 0x5, 0x88888815);
			} else {
				bcma_chipco_pll_write(cc, 0x0, 0x11100060);
				bcma_chipco_pll_write(cc, 0x1, 0x080c0c06);
				bcma_chipco_pll_write(cc, 0x2, 0x03000000);
				bcma_chipco_pll_write(cc, 0x3, 0x00000000);
				bcma_chipco_pll_write(cc, 0x4, 0x200005c0);
				bcma_chipco_pll_write(cc, 0x5, 0x88888815);
			}
			pmu_ctl = BCMA_CC_PMU_CTL_PLL_UPD |
				  BCMA_CC_PMU_CTL_NOILPONW;
		} else if (dev->dev->chip_id == 0x4322 ||
			   dev->dev->chip_id == 0x4340 ||
			   dev->dev->chip_id == 0x4341) {
			bcma_chipco_pll_write(cc, 0x0, 0x11100070);
			bcma_chipco_pll_write(cc, 0x1, 0x1014140a);
			bcma_chipco_pll_write(cc, 0x5, 0x88888854);
			if (avoid)
				bcma_chipco_pll_write(cc, 0x2, 0x05201828);
			else
				bcma_chipco_pll_write(cc, 0x2, 0x05001828);
			pmu_ctl = BCMA_CC_PMU_CTL_PLL_UPD;
4592
		} else {
4593
			return;
4594
		}
4595 4596
		bcma_cc_set32(cc, BCMA_CC_PMU_CTL, pmu_ctl);
		break;
4597
#endif
4598 4599 4600 4601 4602 4603
#ifdef CONFIG_B43_SSB
	case B43_BUS_SSB:
		/* FIXME */
		break;
#endif
	}
4604 4605
}

4606
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ChanspecSetup */
4607
static void b43_nphy_channel_setup(struct b43_wldev *dev,
4608
				const struct b43_phy_n_sfo_cfg *e,
4609
				struct ieee80211_channel *new_channel)
4610 4611 4612
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_n *nphy = dev->phy.n;
4613
	int ch = new_channel->hw_value;
4614

4615
	u16 old_band_5ghz;
4616 4617
	u32 tmp32;

4618 4619 4620
	old_band_5ghz =
		b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ;
	if (new_channel->band == IEEE80211_BAND_5GHZ && !old_band_5ghz) {
4621 4622 4623 4624 4625
		tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
		b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
		b43_phy_set(dev, B43_PHY_B_BBCFG, 0xC000);
		b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
		b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
4626
	} else if (new_channel->band == IEEE80211_BAND_2GHZ && old_band_5ghz) {
4627 4628 4629
		b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
		tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
		b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
4630
		b43_phy_mask(dev, B43_PHY_B_BBCFG, 0x3FFF);
4631 4632 4633 4634 4635
		b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
	}

	b43_chantab_phy_upload(dev, e);

4636
	if (new_channel->hw_value == 14) {
4637 4638 4639 4640
		b43_nphy_classifier(dev, 2, 0);
		b43_phy_set(dev, B43_PHY_B_TEST, 0x0800);
	} else {
		b43_nphy_classifier(dev, 2, 2);
4641
		if (new_channel->band == IEEE80211_BAND_2GHZ)
4642 4643 4644
			b43_phy_mask(dev, B43_PHY_B_TEST, ~0x840);
	}

4645
	if (!nphy->txpwrctrl)
4646 4647 4648 4649 4650 4651 4652
		b43_nphy_tx_power_fix(dev);

	if (dev->phy.rev < 3)
		b43_nphy_adjust_lna_gain_table(dev);

	b43_nphy_tx_lp_fbw(dev);

4653 4654 4655 4656 4657 4658 4659 4660 4661 4662 4663 4664 4665 4666 4667 4668 4669 4670 4671 4672 4673 4674 4675 4676 4677 4678 4679 4680 4681 4682 4683 4684 4685 4686 4687
	if (dev->phy.rev >= 3 &&
	    dev->phy.n->spur_avoid != B43_SPUR_AVOID_DISABLE) {
		bool avoid = false;
		if (dev->phy.n->spur_avoid == B43_SPUR_AVOID_FORCE) {
			avoid = true;
		} else if (!b43_channel_type_is_40mhz(phy->channel_type)) {
			if ((ch >= 5 && ch <= 8) || ch == 13 || ch == 14)
				avoid = true;
		} else { /* 40MHz */
			if (nphy->aband_spurwar_en &&
			    (ch == 38 || ch == 102 || ch == 118))
				avoid = dev->dev->chip_id == 0x4716;
		}

		b43_nphy_pmu_spur_avoid(dev, avoid);

		if (dev->dev->chip_id == 43222 || dev->dev->chip_id == 43224 ||
		    dev->dev->chip_id == 43225) {
			b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW,
				    avoid ? 0x5341 : 0x8889);
			b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x8);
		}

		if (dev->phy.rev == 3 || dev->phy.rev == 4)
			; /* TODO: reset PLL */

		if (avoid)
			b43_phy_set(dev, B43_NPHY_BBCFG, B43_NPHY_BBCFG_RSTRX);
		else
			b43_phy_mask(dev, B43_NPHY_BBCFG,
				     ~B43_NPHY_BBCFG_RSTRX & 0xFFFF);

		b43_nphy_reset_cca(dev);

		/* wl sets useless phy_isspuravoid here */
4688 4689 4690 4691 4692 4693 4694 4695
	}

	b43_phy_write(dev, B43_NPHY_NDATAT_DUP40, 0x3830);

	if (phy->rev >= 3)
		b43_nphy_spur_workaround(dev);
}

4696
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetChanspec */
4697 4698 4699
static int b43_nphy_set_channel(struct b43_wldev *dev,
				struct ieee80211_channel *channel,
				enum nl80211_channel_type channel_type)
4700
{
4701
	struct b43_phy *phy = &dev->phy;
4702

4703 4704
	const struct b43_nphy_channeltab_entry_rev2 *tabent_r2 = NULL;
	const struct b43_nphy_channeltab_entry_rev3 *tabent_r3 = NULL;
4705 4706 4707 4708

	u8 tmp;

	if (dev->phy.rev >= 3) {
4709 4710
		tabent_r3 = b43_nphy_get_chantabent_rev3(dev,
							channel->center_freq);
4711 4712
		if (!tabent_r3)
			return -ESRCH;
4713
	} else {
4714 4715
		tabent_r2 = b43_nphy_get_chantabent_rev2(dev,
							channel->hw_value);
4716
		if (!tabent_r2)
4717
			return -ESRCH;
4718 4719
	}

4720 4721 4722 4723
	/* Channel is set later in common code, but we need to set it on our
	   own to let this function's subcalls work properly. */
	phy->channel = channel->hw_value;
	phy->channel_freq = channel->center_freq;
4724

4725 4726 4727
	if (b43_channel_type_is_40mhz(phy->channel_type) !=
		b43_channel_type_is_40mhz(channel_type))
		; /* TODO: BMAC BW Set (channel_type) */
4728

4729 4730 4731 4732 4733 4734
	if (channel_type == NL80211_CHAN_HT40PLUS)
		b43_phy_set(dev, B43_NPHY_RXCTL,
				B43_NPHY_RXCTL_BSELU20);
	else if (channel_type == NL80211_CHAN_HT40MINUS)
		b43_phy_mask(dev, B43_NPHY_RXCTL,
				~B43_NPHY_RXCTL_BSELU20);
4735 4736

	if (dev->phy.rev >= 3) {
4737
		tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 4 : 0;
4738
		b43_radio_maskset(dev, 0x08, 0xFFFB, tmp);
4739
		b43_radio_2056_setup(dev, tabent_r3);
4740
		b43_nphy_channel_setup(dev, &(tabent_r3->phy_regs), channel);
4741
	} else {
4742
		tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 0x0020 : 0x0050;
4743
		b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, tmp);
4744
		b43_radio_2055_setup(dev, tabent_r2);
4745
		b43_nphy_channel_setup(dev, &(tabent_r2->phy_regs), channel);
4746 4747 4748 4749 4750
	}

	return 0;
}

4751 4752 4753 4754
/**************************************************
 * Basic PHY ops.
 **************************************************/

M
Michael Buesch 已提交
4755 4756 4757 4758 4759 4760 4761 4762 4763 4764 4765 4766
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;
}

M
Michael Buesch 已提交
4767
static void b43_nphy_op_prepare_structs(struct b43_wldev *dev)
M
Michael Buesch 已提交
4768
{
M
Michael Buesch 已提交
4769 4770
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_n *nphy = phy->n;
4771
	struct ssb_sprom *sprom = dev->dev->bus_sprom;
M
Michael Buesch 已提交
4772

M
Michael Buesch 已提交
4773
	memset(nphy, 0, sizeof(*nphy));
M
Michael Buesch 已提交
4774

4775
	nphy->hang_avoid = (phy->rev == 3 || phy->rev == 4);
4776 4777
	nphy->spur_avoid = (phy->rev >= 3) ?
				B43_SPUR_AVOID_AUTO : B43_SPUR_AVOID_DISABLE;
R
Rafał Miłecki 已提交
4778 4779 4780
	nphy->gain_boost = true; /* this way we follow wl, assume it is true */
	nphy->txrx_chain = 2; /* sth different than 0 and 1 for now */
	nphy->phyrxchain = 3; /* to avoid b43_nphy_set_rx_core_state like wl */
4781
	nphy->perical = 2; /* avoid additional rssi cal on init (like wl) */
4782 4783 4784 4785
	/* 128 can mean disabled-by-default state of TX pwr ctl. Max value is
	 * 0x7f == 127 and we check for 128 when restoring TX pwr ctl. */
	nphy->tx_pwr_idx[0] = 128;
	nphy->tx_pwr_idx[1] = 128;
4786 4787 4788 4789 4790 4791 4792 4793 4794 4795 4796 4797 4798 4799 4800 4801 4802 4803 4804 4805 4806 4807 4808 4809 4810 4811 4812 4813 4814 4815 4816 4817

	/* Hardware TX power control and 5GHz power gain */
	nphy->txpwrctrl = false;
	nphy->pwg_gain_5ghz = false;
	if (dev->phy.rev >= 3 ||
	    (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE &&
	     (dev->dev->core_rev == 11 || dev->dev->core_rev == 12))) {
		nphy->txpwrctrl = true;
		nphy->pwg_gain_5ghz = true;
	} else if (sprom->revision >= 4) {
		if (dev->phy.rev >= 2 &&
		    (sprom->boardflags2_lo & B43_BFL2_TXPWRCTRL_EN)) {
			nphy->txpwrctrl = true;
#ifdef CONFIG_B43_SSB
			if (dev->dev->bus_type == B43_BUS_SSB &&
			    dev->dev->sdev->bus->bustype == SSB_BUSTYPE_PCI) {
				struct pci_dev *pdev =
					dev->dev->sdev->bus->host_pci;
				if (pdev->device == 0x4328 ||
				    pdev->device == 0x432a)
					nphy->pwg_gain_5ghz = true;
			}
#endif
		} else if (sprom->boardflags2_lo & B43_BFL2_5G_PWRGAIN) {
			nphy->pwg_gain_5ghz = true;
		}
	}

	if (dev->phy.rev >= 3) {
		nphy->ipa2g_on = sprom->fem.ghz2.extpa_gain == 2;
		nphy->ipa5g_on = sprom->fem.ghz5.extpa_gain == 2;
	}
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}

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static void b43_nphy_op_free(struct b43_wldev *dev)
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{
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	struct b43_phy *phy = &dev->phy;
	struct b43_phy_n *nphy = phy->n;
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	kfree(nphy);
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	phy->n = NULL;
}

static int b43_nphy_op_init(struct b43_wldev *dev)
{
	return b43_phy_initn(dev);
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}

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);
}

4866 4867 4868 4869 4870
static void b43_nphy_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask,
				 u16 set)
{
	check_phyreg(dev, reg);
	b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
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	b43_maskset16(dev, B43_MMIO_PHY_DATA, mask, set);
4872 4873
}

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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);
}

4894
/* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */
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static void b43_nphy_op_software_rfkill(struct b43_wldev *dev,
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					bool blocked)
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{
	if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
		b43err(dev->wl, "MAC not suspended\n");

	if (blocked) {
		b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
				~B43_NPHY_RFCTL_CMD_CHIP0PU);
		if (dev->phy.rev >= 3) {
			b43_radio_mask(dev, 0x09, ~0x2);

			b43_radio_write(dev, 0x204D, 0);
			b43_radio_write(dev, 0x2053, 0);
			b43_radio_write(dev, 0x2058, 0);
			b43_radio_write(dev, 0x205E, 0);
			b43_radio_mask(dev, 0x2062, ~0xF0);
			b43_radio_write(dev, 0x2064, 0);

			b43_radio_write(dev, 0x304D, 0);
			b43_radio_write(dev, 0x3053, 0);
			b43_radio_write(dev, 0x3058, 0);
			b43_radio_write(dev, 0x305E, 0);
			b43_radio_mask(dev, 0x3062, ~0xF0);
			b43_radio_write(dev, 0x3064, 0);
		}
	} else {
		if (dev->phy.rev >= 3) {
4923
			b43_radio_init2056(dev);
4924
			b43_switch_channel(dev, dev->phy.channel);
4925 4926 4927 4928
		} else {
			b43_radio_init2055(dev);
		}
	}
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}

4931
/* http://bcm-v4.sipsolutions.net/802.11/PHY/Anacore */
4932 4933
static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on)
{
4934 4935
	u16 override = on ? 0x0 : 0x7FFF;
	u16 core = on ? 0xD : 0x00FD;
4936

4937 4938 4939 4940 4941 4942 4943 4944 4945 4946 4947 4948 4949 4950 4951
	if (dev->phy.rev >= 3) {
		if (on) {
			b43_phy_write(dev, B43_NPHY_AFECTL_C1, core);
			b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, override);
			b43_phy_write(dev, B43_NPHY_AFECTL_C2, core);
			b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
		} else {
			b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, override);
			b43_phy_write(dev, B43_NPHY_AFECTL_C1, core);
			b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
			b43_phy_write(dev, B43_NPHY_AFECTL_C2, core);
		}
	} else {
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
	}
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}

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static int b43_nphy_op_switch_channel(struct b43_wldev *dev,
				      unsigned int new_channel)
{
4957 4958
	struct ieee80211_channel *channel = dev->wl->hw->conf.channel;
	enum nl80211_channel_type channel_type = dev->wl->hw->conf.channel_type;
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	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;
	}

4968
	return b43_nphy_set_channel(dev, channel, channel_type);
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}

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,
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	.free			= b43_nphy_op_free,
	.prepare_structs	= b43_nphy_op_prepare_structs,
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	.init			= b43_nphy_op_init,
	.phy_read		= b43_nphy_op_read,
	.phy_write		= b43_nphy_op_write,
4985
	.phy_maskset		= b43_nphy_op_maskset,
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	.radio_read		= b43_nphy_op_radio_read,
	.radio_write		= b43_nphy_op_radio_write,
	.software_rfkill	= b43_nphy_op_software_rfkill,
4989
	.switch_analog		= b43_nphy_op_switch_analog,
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	.switch_channel		= b43_nphy_op_switch_channel,
	.get_default_chan	= b43_nphy_op_get_default_chan,
4992 4993
	.recalc_txpower		= b43_nphy_op_recalc_txpower,
	.adjust_txpower		= b43_nphy_op_adjust_txpower,
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};