phy_n.c 168.1 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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Rafał Miłecki 已提交
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#include "radio_2057.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 n_intc_override {
	N_INTC_OVERRIDE_OFF = 0,
	N_INTC_OVERRIDE_TRSW = 1,
	N_INTC_OVERRIDE_PA = 2,
	N_INTC_OVERRIDE_EXT_LNA_PU = 3,
	N_INTC_OVERRIDE_EXT_LNA_GAIN = 4,
};

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enum n_rssi_type {
	N_RSSI_W1 = 0,
	N_RSSI_W2,
	N_RSSI_NB,
	N_RSSI_IQ,
	N_RSSI_TSSI_2G,
	N_RSSI_TSSI_5G,
	N_RSSI_TBD,
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};

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enum n_rail_type {
	N_RAIL_I = 0,
	N_RAIL_Q = 1,
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};

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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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/**************************************************
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 * RF (just without b43_nphy_rf_ctl_intc_override)
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 **************************************************/
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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/RFCtrlOverrideRev7 */
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static void b43_nphy_rf_ctl_override_rev7(struct b43_wldev *dev, u16 field,
					  u16 value, u8 core, bool off,
					  u8 override)
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{
	const struct nphy_rf_control_override_rev7 *e;
	u16 en_addrs[3][2] = {
		{ 0x0E7, 0x0EC }, { 0x342, 0x343 }, { 0x346, 0x347 }
	};
	u16 en_addr;
	u16 en_mask = field;
	u16 val_addr;
	u8 i;

	/* Remember: we can get NULL! */
	e = b43_nphy_get_rf_ctl_over_rev7(dev, field, override);

	for (i = 0; i < 2; i++) {
		if (override >= ARRAY_SIZE(en_addrs)) {
			b43err(dev->wl, "Invalid override value %d\n", override);
			return;
		}
		en_addr = en_addrs[override][i];

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		if (e)
			val_addr = (i == 0) ? e->val_addr_core0 : e->val_addr_core1;
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		if (off) {
			b43_phy_mask(dev, en_addr, ~en_mask);
			if (e) /* Do it safer, better than wl */
				b43_phy_mask(dev, val_addr, ~e->val_mask);
		} else {
			if (!core || (core & (1 << i))) {
				b43_phy_set(dev, en_addr, en_mask);
				if (e)
					b43_phy_maskset(dev, val_addr, ~e->val_mask, (value << e->val_shift));
			}
		}
	}
}

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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverride */
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static void b43_nphy_rf_ctl_override(struct b43_wldev *dev, u16 field,
				     u16 value, u8 core, bool off)
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{
	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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static void b43_nphy_rf_ctl_intc_override_rev7(struct b43_wldev *dev,
					       enum n_intc_override intc_override,
					       u16 value, u8 core_sel)
{
	u16 reg, tmp, tmp2, val;
	int core;

	for (core = 0; core < 2; core++) {
		if ((core_sel == 1 && core != 0) ||
		    (core_sel == 2 && core != 1))
			continue;

		reg = (core == 0) ? B43_NPHY_RFCTL_INTC1 : B43_NPHY_RFCTL_INTC2;

		switch (intc_override) {
		case N_INTC_OVERRIDE_OFF:
			b43_phy_write(dev, reg, 0);
			b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
			break;
		case N_INTC_OVERRIDE_TRSW:
			b43_phy_maskset(dev, reg, ~0xC0, value << 6);
			b43_phy_set(dev, reg, 0x400);

			b43_phy_mask(dev, 0x2ff, ~0xC000 & 0xFFFF);
			b43_phy_set(dev, 0x2ff, 0x2000);
			b43_phy_set(dev, 0x2ff, 0x0001);
			break;
		case N_INTC_OVERRIDE_PA:
			tmp = 0x0030;
			if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
				val = value << 5;
			else
				val = value << 4;
			b43_phy_maskset(dev, reg, ~tmp, val);
			b43_phy_set(dev, reg, 0x1000);
			break;
		case N_INTC_OVERRIDE_EXT_LNA_PU:
			if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
				tmp = 0x0001;
				tmp2 = 0x0004;
				val = value;
			} else {
				tmp = 0x0004;
				tmp2 = 0x0001;
				val = value << 2;
			}
			b43_phy_maskset(dev, reg, ~tmp, val);
			b43_phy_mask(dev, reg, ~tmp2);
			break;
		case N_INTC_OVERRIDE_EXT_LNA_GAIN:
			if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
				tmp = 0x0002;
				tmp2 = 0x0008;
				val = value << 1;
			} else {
				tmp = 0x0008;
				tmp2 = 0x0002;
				val = value << 3;
			}
			b43_phy_maskset(dev, reg, ~tmp, val);
			b43_phy_mask(dev, reg, ~tmp2);
			break;
		}
	}
}

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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlIntcOverride */
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static void b43_nphy_rf_ctl_intc_override(struct b43_wldev *dev,
					  enum n_intc_override intc_override,
					  u16 value, u8 core)
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{
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	u8 i, j;
	u16 reg, tmp, val;
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	if (dev->phy.rev >= 7) {
		b43_nphy_rf_ctl_intc_override_rev7(dev, intc_override, value,
						   core);
		return;
	}

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

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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 (intc_override) {
		case N_INTC_OVERRIDE_OFF:
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			b43_phy_write(dev, reg, 0);
			b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
			break;
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		case N_INTC_OVERRIDE_TRSW:
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			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;
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		case N_INTC_OVERRIDE_PA:
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			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;
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		case N_INTC_OVERRIDE_EXT_LNA_PU:
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			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;
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		case N_INTC_OVERRIDE_EXT_LNA_GAIN:
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			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);
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			b43_nphy_classifier(dev, 0x7,
					    B43_NPHY_CLASSCTL_WAITEDEN);
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			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);
559 560 561

	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 0);
562 563
}

564 565 566
/* 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)
567
{
568 569 570 571 572
	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;
573

574 575
	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, true);
576

577 578
	b43_ntab_write_bulk(dev, B43_NTAB8(7, offset1), length, events);
	b43_ntab_write_bulk(dev, B43_NTAB8(7, offset2), length, delays);
579

580 581 582
	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);
583
	}
584 585 586

	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, false);
587
}
588

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/**************************************************
 * Radio 0x2057
 **************************************************/

/* http://bcm-v4.sipsolutions.net/PHY/radio2057_rcal */
static u8 b43_radio_2057_rcal(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
	u16 tmp;

	if (phy->radio_rev == 5) {
		b43_phy_mask(dev, 0x342, ~0x2);
		udelay(10);
		b43_radio_set(dev, R2057_IQTEST_SEL_PU, 0x1);
		b43_radio_maskset(dev, 0x1ca, ~0x2, 0x1);
	}

	b43_radio_set(dev, R2057_RCAL_CONFIG, 0x1);
	udelay(10);
	b43_radio_set(dev, R2057_RCAL_CONFIG, 0x3);
	if (!b43_radio_wait_value(dev, R2057_RCCAL_N1_1, 1, 1, 100, 1000000)) {
		b43err(dev->wl, "Radio 0x2057 rcal timeout\n");
		return 0;
	}
	b43_radio_mask(dev, R2057_RCAL_CONFIG, ~0x2);
	tmp = b43_radio_read(dev, R2057_RCAL_STATUS) & 0x3E;
	b43_radio_mask(dev, R2057_RCAL_CONFIG, ~0x1);

	if (phy->radio_rev == 5) {
		b43_radio_mask(dev, R2057_IPA2G_CASCONV_CORE0, ~0x1);
		b43_radio_mask(dev, 0x1ca, ~0x2);
	}
	if (phy->radio_rev <= 4 || phy->radio_rev == 6) {
		b43_radio_maskset(dev, R2057_TEMPSENSE_CONFIG, ~0x3C, tmp);
		b43_radio_maskset(dev, R2057_BANDGAP_RCAL_TRIM, ~0xF0,
				  tmp << 2);
	}

	return tmp & 0x3e;
}

/* http://bcm-v4.sipsolutions.net/PHY/radio2057_rccal */
static u16 b43_radio_2057_rccal(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
	bool special = (phy->radio_rev == 3 || phy->radio_rev == 4 ||
			phy->radio_rev == 6);
	u16 tmp;

	if (special) {
		b43_radio_write(dev, R2057_RCCAL_MASTER, 0x61);
		b43_radio_write(dev, R2057_RCCAL_TRC0, 0xC0);
	} else {
		b43_radio_write(dev, 0x1AE, 0x61);
		b43_radio_write(dev, R2057_RCCAL_TRC0, 0xE1);
	}
	b43_radio_write(dev, R2057_RCCAL_X1, 0x6E);
	b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55);
	if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 1, 1, 500,
				  5000000))
		b43dbg(dev->wl, "Radio 0x2057 rccal timeout\n");
	b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15);
	if (special) {
		b43_radio_write(dev, R2057_RCCAL_MASTER, 0x69);
		b43_radio_write(dev, R2057_RCCAL_TRC0, 0xB0);
	} else {
		b43_radio_write(dev, 0x1AE, 0x69);
		b43_radio_write(dev, R2057_RCCAL_TRC0, 0xD5);
	}
	b43_radio_write(dev, R2057_RCCAL_X1, 0x6E);
	b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55);
	if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 1, 1, 500,
				  5000000))
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		b43dbg(dev->wl, "Radio 0x2057 rccal timeout\n");
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	b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15);
	if (special) {
		b43_radio_write(dev, R2057_RCCAL_MASTER, 0x73);
		b43_radio_write(dev, R2057_RCCAL_X1, 0x28);
		b43_radio_write(dev, R2057_RCCAL_TRC0, 0xB0);
	} else {
		b43_radio_write(dev, 0x1AE, 0x73);
		b43_radio_write(dev, R2057_RCCAL_X1, 0x6E);
		b43_radio_write(dev, R2057_RCCAL_TRC0, 0x99);
	}
	b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55);
	if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 1, 1, 500,
				  5000000)) {
		b43err(dev->wl, "Radio 0x2057 rcal timeout\n");
		return 0;
	}
	tmp = b43_radio_read(dev, R2057_RCCAL_DONE_OSCCAP);
	b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15);
	return tmp;
}

static void b43_radio_2057_init_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_2057_init_post(struct b43_wldev *dev)
{
	b43_radio_set(dev, R2057_XTALPUOVR_PINCTRL, 0x1);

	b43_radio_set(dev, R2057_RFPLL_MISC_CAL_RESETN, 0x78);
	b43_radio_set(dev, R2057_XTAL_CONFIG2, 0x80);
	mdelay(2);
	b43_radio_mask(dev, R2057_RFPLL_MISC_CAL_RESETN, ~0x78);
	b43_radio_mask(dev, R2057_XTAL_CONFIG2, ~0x80);

	if (dev->phy.n->init_por) {
		b43_radio_2057_rcal(dev);
		b43_radio_2057_rccal(dev);
	}
	b43_radio_mask(dev, R2057_RFPLL_MASTER, ~0x8);

	dev->phy.n->init_por = false;
}

/* http://bcm-v4.sipsolutions.net/802.11/Radio/2057/Init */
static void b43_radio_2057_init(struct b43_wldev *dev)
{
	b43_radio_2057_init_pre(dev);
	r2057_upload_inittabs(dev);
	b43_radio_2057_init_post(dev);
}

720
/**************************************************
721
 * Radio 0x2056
722
 **************************************************/
723

724 725
static void b43_chantab_radio_2056_upload(struct b43_wldev *dev,
				const struct b43_nphy_channeltab_entry_rev3 *e)
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{
727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796
	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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}

799 800 801
/* 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;
804 805 806
	enum ieee80211_band band = b43_current_band(dev->wl);
	u16 offset;
	u8 i;
807 808 809
	u16 bias, cbias;
	u16 pag_boost, padg_boost, pgag_boost, mixg_boost;
	u16 paa_boost, pada_boost, pgaa_boost, mixa_boost;
810
	bool is_pkg_fab_smic;
811

812
	B43_WARN_ON(dev->phy.rev < 3);
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814 815 816 817 818 819
	is_pkg_fab_smic =
		((dev->dev->chip_id == BCMA_CHIP_ID_BCM43224 ||
		  dev->dev->chip_id == BCMA_CHIP_ID_BCM43225 ||
		  dev->dev->chip_id == BCMA_CHIP_ID_BCM43421) &&
		 dev->dev->chip_pkg == BCMA_PKG_ID_BCM43224_FAB_SMIC);

820
	b43_chantab_radio_2056_upload(dev, e);
821 822 823 824 825 826
	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);
827 828
		if (dev->dev->chip_id == BCMA_CHIP_ID_BCM4716 ||
		    dev->dev->chip_id == BCMA_CHIP_ID_BCM47162) {
829 830 831 832 833
			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);
834
		}
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	}
836 837 838 839 840 841 842
	if (sprom->boardflags2_hi & B43_BFH2_GPLL_WAR2 &&
	    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);
		b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x0b);
		b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x20);
	}
843 844 845 846 847 848
	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);
849
	}
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851 852 853 854 855 856 857
	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);

858 859
				if (dev->dev->chip_id == BCMA_CHIP_ID_BCM4716 ||
				    dev->dev->chip_id == BCMA_CHIP_ID_BCM47162) {
860 861 862 863 864 865 866 867
					bias = 0x40;
					cbias = 0x45;
					pag_boost = 0x5;
					pgag_boost = 0x33;
					mixg_boost = 0x55;
				} else {
					bias = 0x25;
					cbias = 0x20;
868 869 870 871
					if (is_pkg_fab_smic) {
						bias = 0x2a;
						cbias = 0x38;
					}
872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913
					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) {
914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939
		u16 freq = dev->phy.channel_freq;
		if (freq < 5100) {
			paa_boost = 0xA;
			pada_boost = 0x77;
			pgaa_boost = 0xF;
			mixa_boost = 0xF;
		} else if (freq < 5340) {
			paa_boost = 0x8;
			pada_boost = 0x77;
			pgaa_boost = 0xFB;
			mixa_boost = 0xF;
		} else if (freq < 5650) {
			paa_boost = 0x0;
			pada_boost = 0x77;
			pgaa_boost = 0xB;
			mixa_boost = 0xF;
		} else {
			paa_boost = 0x0;
			pada_boost = 0x77;
			if (freq != 5825)
				pgaa_boost = -(freq - 18) / 36 + 168;
			else
				pgaa_boost = 6;
			mixa_boost = 0xF;
		}

940 941
		cbias = is_pkg_fab_smic ? 0x35 : 0x30;

942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959
		for (i = 0; i < 2; i++) {
			offset = i ? B2056_TX1 : B2056_TX0;

			b43_radio_write(dev,
				offset | B2056_TX_INTPAA_BOOST_TUNE, paa_boost);
			b43_radio_write(dev,
				offset | B2056_TX_PADA_BOOST_TUNE, pada_boost);
			b43_radio_write(dev,
				offset | B2056_TX_PGAA_BOOST_TUNE, pgaa_boost);
			b43_radio_write(dev,
				offset | B2056_TX_MIXA_BOOST_TUNE, mixa_boost);
			b43_radio_write(dev,
				offset | B2056_TX_TXSPARE1, 0x30);
			b43_radio_write(dev,
				offset | B2056_TX_PA_SPARE2, 0xee);
			b43_radio_write(dev,
				offset | B2056_TX_PADA_CASCBIAS, 0x03);
			b43_radio_write(dev,
960
				offset | B2056_TX_INTPAA_IAUX_STAT, 0x30);
961
			b43_radio_write(dev,
962
				offset | B2056_TX_INTPAA_IMAIN_STAT, 0x30);
963
			b43_radio_write(dev,
964
				offset | B2056_TX_INTPAA_CASCBIAS, cbias);
965
		}
966
	}
967

968 969 970 971 972 973 974 975
	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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Michael Buesch 已提交
976 977
}

978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008
static u8 b43_radio_2056_rcal(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
	u16 mast2, tmp;

	if (phy->rev != 3)
		return 0;

	mast2 = b43_radio_read(dev, B2056_SYN_PLL_MAST2);
	b43_radio_write(dev, B2056_SYN_PLL_MAST2, mast2 | 0x7);

	udelay(10);
	b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x01);
	udelay(10);
	b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x09);

	if (!b43_radio_wait_value(dev, B2056_SYN_RCAL_CODE_OUT, 0x80, 0x80, 100,
				  1000000)) {
		b43err(dev->wl, "Radio recalibration timeout\n");
		return 0;
	}

	b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x01);
	tmp = b43_radio_read(dev, B2056_SYN_RCAL_CODE_OUT);
	b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x00);

	b43_radio_write(dev, B2056_SYN_PLL_MAST2, mast2);

	return tmp & 0x1f;
}

1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030
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);
1031 1032
	if (dev->phy.n->init_por)
		b43_radio_2056_rcal(dev);
1033 1034
}

1035 1036 1037 1038 1039 1040
/*
 * 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)
{
1041 1042 1043
	b43_radio_init2056_pre(dev);
	b2056_upload_inittabs(dev, 0, 0);
	b43_radio_init2056_post(dev);
1044 1045

	dev->phy.n->init_por = false;
1046 1047
}

1048 1049 1050 1051 1052 1053
/**************************************************
 * Radio 0x2055
 **************************************************/

static void b43_chantab_radio_upload(struct b43_wldev *dev,
				const struct b43_nphy_channeltab_entry_rev2 *e)
M
Michael Buesch 已提交
1054
{
1055 1056 1057 1058 1059
	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 */
M
Michael Buesch 已提交
1060

1061 1062 1063 1064 1065
	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 */
1066

1067 1068 1069 1070 1071
	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 */
1072

1073 1074 1075 1076 1077
	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 */
1078

1079 1080 1081 1082 1083
	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 */
1084

1085 1086
	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);
1087 1088
}

1089 1090 1091
/* 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)
M
Michael Buesch 已提交
1092
{
1093
	B43_WARN_ON(dev->phy.rev >= 3);
M
Michael Buesch 已提交
1094

1095 1096 1097 1098 1099 1100 1101
	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);
M
Michael Buesch 已提交
1102 1103
}

1104
static void b43_radio_init2055_pre(struct b43_wldev *dev)
1105
{
1106 1107 1108 1109 1110 1111 1112
	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);
1113 1114
}

1115
static void b43_radio_init2055_post(struct b43_wldev *dev)
1116 1117
{
	struct b43_phy_n *nphy = dev->phy.n;
1118 1119
	struct ssb_sprom *sprom = dev->dev->bus_sprom;
	bool workaround = false;
1120

1121 1122
	if (sprom->revision < 4)
		workaround = (dev->dev->board_vendor != PCI_VENDOR_ID_BROADCOM
1123
			      && dev->dev->board_type == SSB_BOARD_CB2_4321
1124
			      && dev->dev->board_rev >= 0x41);
1125
	else
1126 1127
		workaround =
			!(sprom->boardflags2_lo & B43_BFL2_RXBB_INT_REG_DIS);
1128

1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140
	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);
1141
	if (!b43_radio_wait_value(dev, B2055_CAL_COUT2, 0x80, 0x80, 10, 2000))
1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158
		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);
1159 1160
}

1161 1162 1163 1164 1165
/*
 * 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)
1166
{
1167 1168 1169 1170
	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);
1171
	} else {
1172 1173
		bool ghz5 = b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ;
		b2055_upload_inittab(dev, ghz5, 0);
1174
	}
1175
	b43_radio_init2055_post(dev);
1176 1177
}

1178 1179 1180
/**************************************************
 * Samples
 **************************************************/
1181

1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206
/* 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;
1207 1208
}

1209 1210 1211
/* 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)
1212
{
1213 1214 1215
	int i;
	u16 bw, len, rot, angle;
	struct b43_c32 *samples;
1216 1217


1218 1219
	bw = (dev->phy.is_40mhz) ? 40 : 20;
	len = bw << 3;
1220

1221 1222 1223 1224 1225
	if (test) {
		if (b43_phy_read(dev, B43_NPHY_BBCFG) & B43_NPHY_BBCFG_RSTRX)
			bw = 82;
		else
			bw = 80;
1226

1227 1228 1229 1230
		if (dev->phy.is_40mhz)
			bw <<= 1;

		len = bw << 1;
1231 1232
	}

1233 1234 1235 1236 1237 1238 1239
	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;
1240

1241 1242 1243 1244 1245
	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);
1246
	}
1247 1248 1249 1250

	i = b43_nphy_load_samples(dev, samples, len);
	kfree(samples);
	return (i < 0) ? 0 : len;
1251 1252
}

1253 1254 1255
/* 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)
1256
{
1257
	struct b43_phy_n *nphy = dev->phy.n;
1258
	int i;
1259 1260
	u16 seq_mode;
	u32 tmp;
1261

1262
	b43_nphy_stay_in_carrier_search(dev, true);
1263

1264 1265 1266 1267
	if ((nphy->bb_mult_save & 0x80000000) == 0) {
		tmp = b43_ntab_read(dev, B43_NTAB16(15, 87));
		nphy->bb_mult_save = (tmp & 0xFFFF) | 0x80000000;
	}
1268

1269
	/* TODO: add modify_bbmult argument */
1270 1271 1272 1273 1274
	if (!dev->phy.is_40mhz)
		tmp = 0x6464;
	else
		tmp = 0x4747;
	b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
1275

1276
	b43_phy_write(dev, B43_NPHY_SAMP_DEPCNT, (samps - 1));
1277

1278 1279 1280 1281
	if (loops != 0xFFFF)
		b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, (loops - 1));
	else
		b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, loops);
1282

1283
	b43_phy_write(dev, B43_NPHY_SAMP_WAITCNT, wait);
1284

1285
	seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
1286

1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297
	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++) {
1298
		if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & 1)) {
1299 1300
			i = 0;
			break;
1301
		}
1302
		udelay(10);
1303
	}
1304 1305
	if (i)
		b43err(dev->wl, "run samples timeout\n");
1306

1307
	b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
1308 1309

	b43_nphy_stay_in_carrier_search(dev, false);
1310 1311
}

1312 1313 1314 1315 1316 1317
/**************************************************
 * RSSI
 **************************************************/

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ScaleOffsetRssi */
static void b43_nphy_scale_offset_rssi(struct b43_wldev *dev, u16 scale,
1318 1319
					s8 offset, u8 core,
					enum n_rail_type rail,
1320
					enum n_rssi_type rssi_type)
1321
{
1322 1323 1324
	u16 tmp;
	bool core1or5 = (core == 1) || (core == 5);
	bool core2or5 = (core == 2) || (core == 5);
1325

1326 1327
	offset = clamp_val(offset, -32, 31);
	tmp = ((scale & 0x3F) << 8) | (offset & 0x3F);
1328

1329
	switch (rssi_type) {
1330
	case N_RSSI_NB:
1331 1332 1333 1334 1335 1336 1337 1338 1339
		if (core1or5 && rail == N_RAIL_I)
			b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, tmp);
		if (core1or5 && rail == N_RAIL_Q)
			b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, tmp);
		if (core2or5 && rail == N_RAIL_I)
			b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, tmp);
		if (core2or5 && rail == N_RAIL_Q)
			b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, tmp);
		break;
1340
	case N_RSSI_W1:
1341 1342 1343 1344 1345 1346 1347 1348 1349
		if (core1or5 && rail == N_RAIL_I)
			b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, tmp);
		if (core1or5 && rail == N_RAIL_Q)
			b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, tmp);
		if (core2or5 && rail == N_RAIL_I)
			b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, tmp);
		if (core2or5 && rail == N_RAIL_Q)
			b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, tmp);
		break;
1350
	case N_RSSI_W2:
1351 1352 1353 1354 1355 1356 1357 1358 1359
		if (core1or5 && rail == N_RAIL_I)
			b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, tmp);
		if (core1or5 && rail == N_RAIL_Q)
			b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, tmp);
		if (core2or5 && rail == N_RAIL_I)
			b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, tmp);
		if (core2or5 && rail == N_RAIL_Q)
			b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, tmp);
		break;
1360
	case N_RSSI_TBD:
1361 1362 1363 1364 1365 1366 1367 1368 1369
		if (core1or5 && rail == N_RAIL_I)
			b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TBD, tmp);
		if (core1or5 && rail == N_RAIL_Q)
			b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TBD, tmp);
		if (core2or5 && rail == N_RAIL_I)
			b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TBD, tmp);
		if (core2or5 && rail == N_RAIL_Q)
			b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TBD, tmp);
		break;
1370
	case N_RSSI_IQ:
1371 1372 1373 1374 1375 1376 1377 1378 1379
		if (core1or5 && rail == N_RAIL_I)
			b43_phy_write(dev, B43_NPHY_RSSIMC_0I_PWRDET, tmp);
		if (core1or5 && rail == N_RAIL_Q)
			b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_PWRDET, tmp);
		if (core2or5 && rail == N_RAIL_I)
			b43_phy_write(dev, B43_NPHY_RSSIMC_1I_PWRDET, tmp);
		if (core2or5 && rail == N_RAIL_Q)
			b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_PWRDET, tmp);
		break;
1380
	case N_RSSI_TSSI_2G:
1381 1382 1383 1384 1385
		if (core1or5)
			b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TSSI, tmp);
		if (core2or5)
			b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TSSI, tmp);
		break;
1386
	case N_RSSI_TSSI_5G:
1387 1388 1389 1390 1391 1392
		if (core1or5)
			b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TSSI, tmp);
		if (core2or5)
			b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TSSI, tmp);
		break;
	}
1393 1394
}

1395 1396
static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code,
				      enum n_rssi_type rssi_type)
1397
{
1398 1399
	u8 i;
	u16 reg, val;
1400

1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413
	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;
1414

1415 1416 1417
			reg = (i == 0) ?
				B43_NPHY_AFECTL_OVER1 : B43_NPHY_AFECTL_OVER;
			b43_phy_maskset(dev, reg, 0xFDFF, 0x0200);
1418

1419 1420 1421
			if (rssi_type == N_RSSI_W1 ||
			    rssi_type == N_RSSI_W2 ||
			    rssi_type == N_RSSI_NB) {
1422 1423 1424 1425
				reg = (i == 0) ?
					B43_NPHY_AFECTL_C1 :
					B43_NPHY_AFECTL_C2;
				b43_phy_maskset(dev, reg, 0xFCFF, 0);
1426

1427 1428 1429 1430
				reg = (i == 0) ?
					B43_NPHY_RFCTL_LUT_TRSW_UP1 :
					B43_NPHY_RFCTL_LUT_TRSW_UP2;
				b43_phy_maskset(dev, reg, 0xFFC3, 0);
1431

1432
				if (rssi_type == N_RSSI_W1)
1433
					val = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 4 : 8;
1434
				else if (rssi_type == N_RSSI_W2)
1435 1436 1437 1438
					val = 16;
				else
					val = 32;
				b43_phy_set(dev, reg, val);
1439

1440 1441 1442 1443 1444
				reg = (i == 0) ?
					B43_NPHY_TXF_40CO_B1S0 :
					B43_NPHY_TXF_40CO_B32S1;
				b43_phy_set(dev, reg, 0x0020);
			} else {
1445
				if (rssi_type == N_RSSI_TBD)
1446
					val = 0x0100;
1447
				else if (rssi_type == N_RSSI_IQ)
1448 1449 1450
					val = 0x0200;
				else
					val = 0x0300;
1451

1452 1453 1454
				reg = (i == 0) ?
					B43_NPHY_AFECTL_C1 :
					B43_NPHY_AFECTL_C2;
1455

1456 1457
				b43_phy_maskset(dev, reg, 0xFCFF, val);
				b43_phy_maskset(dev, reg, 0xF3FF, val << 2);
1458

1459 1460
				if (rssi_type != N_RSSI_IQ &&
				    rssi_type != N_RSSI_TBD) {
1461 1462
					enum ieee80211_band band =
						b43_current_band(dev->wl);
1463

1464 1465 1466 1467 1468 1469
					if (b43_nphy_ipa(dev))
						val = (band == IEEE80211_BAND_5GHZ) ? 0xC : 0xE;
					else
						val = 0x11;
					reg = (i == 0) ? 0x2000 : 0x3000;
					reg |= B2055_PADDRV;
1470
					b43_radio_write(dev, reg, val);
1471

1472 1473 1474 1475 1476 1477 1478
					reg = (i == 0) ?
						B43_NPHY_AFECTL_OVER1 :
						B43_NPHY_AFECTL_OVER;
					b43_phy_set(dev, reg, 0x0200);
				}
			}
		}
1479 1480 1481
	}
}

1482 1483
static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code,
				      enum n_rssi_type rssi_type)
1484
{
1485
	u16 val;
1486
	bool rssi_w1_w2_nb = false;
1487

1488 1489 1490 1491
	switch (rssi_type) {
	case N_RSSI_W1:
	case N_RSSI_W2:
	case N_RSSI_NB:
1492
		val = 0;
1493 1494 1495
		rssi_w1_w2_nb = true;
		break;
	case N_RSSI_TBD:
1496
		val = 1;
1497 1498
		break;
	case N_RSSI_IQ:
1499
		val = 2;
1500 1501
		break;
	default:
1502
		val = 3;
1503
	}
1504

1505 1506 1507
	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);
1508

1509
	if (rssi_w1_w2_nb) {
1510
		b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO1, 0xFFCF,
1511
				(rssi_type + 1) << 4);
1512
		b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO2, 0xFFCF,
1513
				(rssi_type + 1) << 4);
1514 1515
	}

1516 1517
	if (code == 0) {
		b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x3000);
1518
		if (rssi_w1_w2_nb) {
1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533
			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);
1534
		if (rssi_w1_w2_nb) {
1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548
			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);
1549 1550 1551 1552
		}
	}
}

1553
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSISel */
1554 1555
static void b43_nphy_rssi_select(struct b43_wldev *dev, u8 code,
				 enum n_rssi_type type)
R
Rafał Miłecki 已提交
1556
{
1557 1558 1559 1560 1561
	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
1562

1563
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRssi2055Vcm */
1564 1565
static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev,
				       enum n_rssi_type rssi_type, u8 *buf)
1566 1567
{
	int i;
R
Rafał Miłecki 已提交
1568
	for (i = 0; i < 2; i++) {
1569
		if (rssi_type == N_RSSI_NB) {
1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580
			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
1581
		} else {
1582 1583 1584 1585 1586 1587
			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
1588 1589 1590 1591
		}
	}
}

1592
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PollRssi */
1593 1594
static int b43_nphy_poll_rssi(struct b43_wldev *dev, enum n_rssi_type rssi_type,
			      s32 *buf, u8 nsamp)
1595
{
1596 1597 1598 1599
	int i;
	int out;
	u16 save_regs_phy[9];
	u16 s[2];
1600 1601

	if (dev->phy.rev >= 3) {
1602 1603 1604
		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,
1605
						B43_NPHY_RFCTL_LUT_TRSW_UP1);
1606
		save_regs_phy[3] = b43_phy_read(dev,
1607 1608 1609 1610 1611 1612
						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;
1613
	} else {
1614 1615 1616 1617 1618 1619 1620 1621 1622 1623
		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;
	}
1624

1625
	b43_nphy_rssi_select(dev, 5, rssi_type);
1626

1627 1628 1629 1630
	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);
	}
1631

1632 1633 1634 1635 1636 1637 1638
	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);
1639
		} else {
1640 1641
			s[0] = b43_phy_read(dev, B43_NPHY_RSSI1);
			s[1] = b43_phy_read(dev, B43_NPHY_RSSI2);
1642 1643
		}

1644 1645 1646 1647 1648 1649 1650
		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);
1651

1652 1653
	if (dev->phy.rev < 2)
		b43_phy_write(dev, B43_NPHY_GPIO_SEL, save_regs_phy[8]);
1654

1655
	if (dev->phy.rev >= 3) {
1656 1657
		b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]);
		b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]);
1658
		b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1,
1659
				save_regs_phy[2]);
1660
		b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2,
1661
				save_regs_phy[3]);
1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674
		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]);
	}
1675

1676 1677
	return out;
}
1678

1679 1680 1681 1682 1683 1684
/* 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];
1685 1686
	u16 saved_regs_phy[22];
	u16 regs_to_store_rev3[] = {
1687 1688 1689 1690 1691 1692 1693 1694
		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
	};
1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708
	u16 regs_to_store_rev7[] = {
		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,
		0x342, 0x343, 0x346, 0x347,
		0x2ff,
		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,
		0x340, 0x341, 0x344, 0x345,
		B43_NPHY_RFCTL_RSSIO1, B43_NPHY_RFCTL_RSSIO2
	};
	u16 *regs_to_store;
	int regs_amount;
1709 1710 1711 1712 1713 1714 1715

	u16 class;

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

	u8 vcm_final = 0;
1716
	s32 offset[4];
1717 1718 1719 1720 1721 1722 1723 1724 1725
	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;
1726
	int core, i, j, vcm;
1727

1728 1729 1730 1731 1732 1733 1734 1735 1736
	if (dev->phy.rev >= 7) {
		regs_to_store = regs_to_store_rev7;
		regs_amount = ARRAY_SIZE(regs_to_store_rev7);
	} else {
		regs_to_store = regs_to_store_rev3;
		regs_amount = ARRAY_SIZE(regs_to_store_rev3);
	}
	BUG_ON(regs_amount > ARRAY_SIZE(saved_regs_phy));

1737 1738 1739 1740 1741 1742 1743
	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);
1744
	for (i = 0; i < regs_amount; i++)
1745 1746
		saved_regs_phy[i] = b43_phy_read(dev, regs_to_store[i]);

1747 1748
	b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_OFF, 0, 7);
	b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, 1, 7);
1749 1750 1751 1752 1753 1754

	if (dev->phy.rev >= 7) {
		/* TODO */
		if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
		} else {
		}
1755
	} else {
1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766
		b43_nphy_rf_ctl_override(dev, 0x1, 0, 0, false);
		b43_nphy_rf_ctl_override(dev, 0x2, 1, 0, false);
		b43_nphy_rf_ctl_override(dev, 0x80, 1, 0, false);
		b43_nphy_rf_ctl_override(dev, 0x40, 1, 0, false);
		if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
			b43_nphy_rf_ctl_override(dev, 0x20, 0, 0, false);
			b43_nphy_rf_ctl_override(dev, 0x10, 1, 0, false);
		} else {
			b43_nphy_rf_ctl_override(dev, 0x10, 0, 0, false);
			b43_nphy_rf_ctl_override(dev, 0x20, 1, 0, false);
		}
1767 1768 1769 1770 1771 1772 1773
	}

	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;
1774 1775 1776 1777
		b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, N_RAIL_I,
					   N_RSSI_NB);
		b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, N_RAIL_Q,
					   N_RSSI_NB);
1778 1779 1780

		/* Grab RSSI results for every possible VCM */
		for (vcm = 0; vcm < 8; vcm++) {
1781 1782 1783 1784 1785
			if (dev->phy.rev >= 7)
				;
			else
				b43_radio_maskset(dev, r | B2056_RX_RSSI_MISC,
						  0xE3, vcm << 2);
1786
			b43_nphy_poll_rssi(dev, N_RSSI_NB, results[vcm], 8);
1787
		}
1788 1789

		/* Find out which VCM got the best results */
1790
		for (i = 0; i < 4; i += 2) {
1791
			s32 currd;
1792
			s32 mind = 0x100000;
1793 1794 1795 1796
			s32 minpoll = 249;
			u8 minvcm = 0;
			if (2 * core != i)
				continue;
1797 1798 1799 1800 1801 1802
			for (vcm = 0; vcm < 8; vcm++) {
				currd = results[vcm][i] * results[vcm][i] +
					results[vcm][i + 1] * results[vcm][i];
				if (currd < mind) {
					mind = currd;
					minvcm = vcm;
1803
				}
1804 1805
				if (results[vcm][i] < minpoll)
					minpoll = results[vcm][i];
1806 1807 1808 1809
			}
			vcm_final = minvcm;
			results_min[i] = minpoll;
		}
1810 1811

		/* Select the best VCM */
1812 1813 1814 1815 1816
		if (dev->phy.rev >= 7)
			;
		else
			b43_radio_maskset(dev, r | B2056_RX_RSSI_MISC,
					  0xE3, vcm_final << 2);
1817

1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829
		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,
1830
						   (i % 2 == 0) ? N_RAIL_I : N_RAIL_Q,
1831
						   N_RSSI_NB);
1832 1833
		}
	}
1834

1835 1836 1837 1838
	for (core = 0; core < 2; core++) {
		if (!(rx_core_state & (1 << core)))
			continue;
		for (i = 0; i < 2; i++) {
1839 1840 1841 1842
			b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1,
						   N_RAIL_I, i);
			b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1,
						   N_RAIL_Q, i);
1843 1844
			b43_nphy_poll_rssi(dev, i, poll_results, 8);
			for (j = 0; j < 4; j++) {
1845
				if (j / 2 == core) {
1846
					offset[j] = 232 - poll_results[j];
1847 1848 1849 1850 1851 1852 1853
					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);
				}
1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868
			}
		}
	}

	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);
1869
	b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
1870

1871
	for (i = 0; i < regs_amount; i++)
1872 1873 1874 1875 1876 1877 1878 1879 1880 1881
		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;
	}
1882 1883 1884 1885 1886 1887 1888
	if (dev->phy.rev >= 7) {
	} else {
		rssical_radio_regs[0] = b43_radio_read(dev, B2056_RX0 |
						       B2056_RX_RSSI_MISC);
		rssical_radio_regs[1] = b43_radio_read(dev, B2056_RX1 |
						       B2056_RX_RSSI_MISC);
	}
1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912
	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);
}

1913
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */
1914
static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, enum n_rssi_type type)
1915
{
1916
	int i, j, vcm;
1917 1918 1919 1920 1921 1922
	u8 state[4];
	u8 code, val;
	u16 class, override;
	u8 regs_save_radio[2];
	u16 regs_save_phy[2];

1923
	s32 offset[4];
1924 1925 1926 1927 1928 1929 1930 1931 1932 1933
	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] = { };

1934
	if (type == N_RSSI_NB) {
1935 1936
		code = 0;
		val = 6;
1937
	} else if (type == N_RSSI_W1 || type == N_RSSI_W2) {
1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955
		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);
1956
	regs_save_radio[0] = b43_radio_read(dev, B2055_C1_PD_RXTX);
1957
	b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, override);
1958
	b43_radio_write(dev, B2055_C1_PD_RXTX, val);
1959 1960

	regs_save_phy[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
1961
	regs_save_radio[1] = b43_radio_read(dev, B2055_C2_PD_RXTX);
1962
	b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, override);
1963
	b43_radio_write(dev, B2055_C2_PD_RXTX, val);
1964

1965 1966
	state[0] = b43_radio_read(dev, B2055_C1_PD_RSSIMISC) & 0x07;
	state[1] = b43_radio_read(dev, B2055_C2_PD_RSSIMISC) & 0x07;
1967 1968
	b43_radio_mask(dev, B2055_C1_PD_RSSIMISC, 0xF8);
	b43_radio_mask(dev, B2055_C2_PD_RSSIMISC, 0xF8);
1969 1970
	state[2] = b43_radio_read(dev, B2055_C1_SP_RSSI) & 0x07;
	state[3] = b43_radio_read(dev, B2055_C2_SP_RSSI) & 0x07;
1971 1972

	b43_nphy_rssi_select(dev, 5, type);
1973 1974
	b43_nphy_scale_offset_rssi(dev, 0, 0, 5, N_RAIL_I, type);
	b43_nphy_scale_offset_rssi(dev, 0, 0, 5, N_RAIL_Q, type);
1975

1976
	for (vcm = 0; vcm < 4; vcm++) {
1977 1978
		u8 tmp[4];
		for (j = 0; j < 4; j++)
1979
			tmp[j] = vcm;
1980
		if (type != N_RSSI_W2)
1981
			b43_nphy_set_rssi_2055_vcm(dev, type, tmp);
1982
		b43_nphy_poll_rssi(dev, type, results[vcm], 8);
1983
		if (type == N_RSSI_W1 || type == N_RSSI_W2)
1984
			for (j = 0; j < 2; j++)
1985 1986
				miniq[vcm][j] = min(results[vcm][2 * j],
						    results[vcm][2 * j + 1]);
1987 1988 1989
	}

	for (i = 0; i < 4; i++) {
1990
		s32 mind = 0x100000;
1991 1992
		u8 minvcm = 0;
		s32 minpoll = 249;
1993 1994
		s32 currd;
		for (vcm = 0; vcm < 4; vcm++) {
1995
			if (type == N_RSSI_NB)
1996
				currd = abs(results[vcm][i] - code * 8);
1997
			else
1998
				currd = abs(miniq[vcm][i / 2] - code * 8);
1999

2000 2001 2002
			if (currd < mind) {
				mind = currd;
				minvcm = vcm;
2003 2004
			}

2005 2006
			if (results[vcm][i] < minpoll)
				minpoll = results[vcm][i];
2007
		}
2008 2009 2010
		results_min[i] = minpoll;
		vcm_final[i] = minvcm;
	}
2011

2012
	if (type != N_RSSI_W2)
2013
		b43_nphy_set_rssi_2055_vcm(dev, type, vcm_final);
2014

2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026
	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;
2027
		rail = (i % 2) ? N_RAIL_Q : N_RAIL_I;
2028 2029 2030 2031 2032 2033 2034 2035 2036 2037

		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:
2038
		b43_nphy_rssi_select(dev, 1, N_RSSI_NB);
2039 2040
		break;
	case 4:
2041
		b43_nphy_rssi_select(dev, 1, N_RSSI_W1);
2042 2043
		break;
	case 2:
2044
		b43_nphy_rssi_select(dev, 1, N_RSSI_W2);
2045 2046
		break;
	default:
2047
		b43_nphy_rssi_select(dev, 1, N_RSSI_W2);
2048 2049 2050 2051 2052
		break;
	}

	switch (state[3]) {
	case 1:
2053
		b43_nphy_rssi_select(dev, 2, N_RSSI_NB);
2054 2055
		break;
	case 4:
2056
		b43_nphy_rssi_select(dev, 2, N_RSSI_W1);
2057 2058
		break;
	default:
2059
		b43_nphy_rssi_select(dev, 2, N_RSSI_W2);
2060 2061 2062 2063 2064 2065
		break;
	}

	b43_nphy_rssi_select(dev, 0, type);

	b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs_save_phy[0]);
2066
	b43_radio_write(dev, B2055_C1_PD_RXTX, regs_save_radio[0]);
2067
	b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs_save_phy[1]);
2068
	b43_radio_write(dev, B2055_C2_PD_RXTX, regs_save_radio[1]);
2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085

	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 {
2086 2087 2088
		b43_nphy_rev2_rssi_cal(dev, N_RSSI_NB);
		b43_nphy_rev2_rssi_cal(dev, N_RSSI_W1);
		b43_nphy_rev2_rssi_cal(dev, N_RSSI_W2);
2089 2090 2091
	}
}

2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109
/**************************************************
 * 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;
2110 2111
	ext_lna = ghz5 ? sprom->boardflags_hi & B43_BFH_EXTLNA_5GHZ :
		sprom->boardflags_lo & B43_BFL_EXTLNA;
2112 2113 2114 2115 2116 2117 2118 2119 2120
	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 */
2121 2122
	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);
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

	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);

2156 2157 2158
	b43_phy_write(dev, B43_NPHY_REV3_C1_INITGAIN_A, e->init_gain);
	b43_phy_write(dev, B43_NPHY_REV3_C2_INITGAIN_A, e->init_gain);

2159 2160 2161
	b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x106), 2,
				e->rfseq_init);

2162 2163 2164 2165 2166 2167 2168 2169 2170 2171
	b43_phy_write(dev, B43_NPHY_REV3_C1_CLIP_HIGAIN_A, e->cliphi_gain);
	b43_phy_write(dev, B43_NPHY_REV3_C2_CLIP_HIGAIN_A, e->cliphi_gain);
	b43_phy_write(dev, B43_NPHY_REV3_C1_CLIP_MEDGAIN_A, e->clipmd_gain);
	b43_phy_write(dev, B43_NPHY_REV3_C2_CLIP_MEDGAIN_A, e->clipmd_gain);
	b43_phy_write(dev, B43_NPHY_REV3_C1_CLIP_LOGAIN_A, e->cliplo_gain);
	b43_phy_write(dev, B43_NPHY_REV3_C2_CLIP_LOGAIN_A, e->cliplo_gain);

	b43_phy_maskset(dev, B43_NPHY_CRSMINPOWER0, 0xFF00, e->crsmin);
	b43_phy_maskset(dev, B43_NPHY_CRSMINPOWERL0, 0xFF00, e->crsminl);
	b43_phy_maskset(dev, B43_NPHY_CRSMINPOWERU0, 0xFF00, e->crsminu);
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 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278
	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);
			}
		}
2279
	}
2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292

	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)
{
2293 2294 2295
	if (dev->phy.rev >= 7)
		; /* TODO */
	else if (dev->phy.rev >= 3)
2296 2297 2298
		b43_nphy_gain_ctl_workarounds_rev3plus(dev);
	else
		b43_nphy_gain_ctl_workarounds_rev1_2(dev);
2299 2300
}

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/* http://bcm-v4.sipsolutions.net/PHY/N/Read_Lpf_Bw_Ctl */
static u16 b43_nphy_read_lpf_ctl(struct b43_wldev *dev, u16 offset)
{
	if (!offset)
		offset = (dev->phy.is_40mhz) ? 0x159 : 0x154;
	return b43_ntab_read(dev, B43_NTAB16(7, offset)) & 0x7;
}

static void b43_nphy_workarounds_rev7plus(struct b43_wldev *dev)
{
	struct ssb_sprom *sprom = dev->dev->bus_sprom;
	struct b43_phy *phy = &dev->phy;

	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 };

	u16 ntab7_15e_16e[] = { 0x10f, 0x10f };
	u8 ntab7_138_146[] = { 0x11, 0x11 };
	u8 ntab7_133[] = { 0x77, 0x11, 0x11 };

	u16 lpf_20, lpf_40, lpf_11b;
	u16 bcap_val, bcap_val_11b, bcap_val_11n_20, bcap_val_11n_40;
	u16 scap_val, scap_val_11b, scap_val_11n_20, scap_val_11n_40;
	bool rccal_ovrd = false;

	u16 rx2tx_lut_20_11b, rx2tx_lut_20_11n, rx2tx_lut_40_11n;
	u16 bias, conv, filt;

	u32 tmp32;
	u8 core;

	if (phy->rev == 7) {
		b43_phy_set(dev, B43_NPHY_FINERX2_CGC, 0x10);
		b43_phy_maskset(dev, B43_NPHY_FREQGAIN0, 0xFF80, 0x0020);
		b43_phy_maskset(dev, B43_NPHY_FREQGAIN0, 0x80FF, 0x2700);
		b43_phy_maskset(dev, B43_NPHY_FREQGAIN1, 0xFF80, 0x002E);
		b43_phy_maskset(dev, B43_NPHY_FREQGAIN1, 0x80FF, 0x3300);
		b43_phy_maskset(dev, B43_NPHY_FREQGAIN2, 0xFF80, 0x0037);
		b43_phy_maskset(dev, B43_NPHY_FREQGAIN2, 0x80FF, 0x3A00);
		b43_phy_maskset(dev, B43_NPHY_FREQGAIN3, 0xFF80, 0x003C);
		b43_phy_maskset(dev, B43_NPHY_FREQGAIN3, 0x80FF, 0x3E00);
		b43_phy_maskset(dev, B43_NPHY_FREQGAIN4, 0xFF80, 0x003E);
		b43_phy_maskset(dev, B43_NPHY_FREQGAIN4, 0x80FF, 0x3F00);
		b43_phy_maskset(dev, B43_NPHY_FREQGAIN5, 0xFF80, 0x0040);
		b43_phy_maskset(dev, B43_NPHY_FREQGAIN5, 0x80FF, 0x4000);
		b43_phy_maskset(dev, B43_NPHY_FREQGAIN6, 0xFF80, 0x0040);
		b43_phy_maskset(dev, B43_NPHY_FREQGAIN6, 0x80FF, 0x4000);
		b43_phy_maskset(dev, B43_NPHY_FREQGAIN7, 0xFF80, 0x0040);
		b43_phy_maskset(dev, B43_NPHY_FREQGAIN7, 0x80FF, 0x4000);
	}
	if (phy->rev <= 8) {
2353 2354
		b43_phy_write(dev, B43_NPHY_FORCEFRONT0, 0x1B0);
		b43_phy_write(dev, B43_NPHY_FORCEFRONT1, 0x1B0);
2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370
	}
	if (phy->rev >= 8)
		b43_phy_maskset(dev, B43_NPHY_TXTAILCNT, ~0xFF, 0x72);

	b43_ntab_write(dev, B43_NTAB16(8, 0x00), 2);
	b43_ntab_write(dev, B43_NTAB16(8, 0x10), 2);
	tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0));
	tmp32 &= 0xffffff;
	b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32);
	b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x15e), 2, ntab7_15e_16e);
	b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x16e), 2, ntab7_15e_16e);

	if (b43_nphy_ipa(dev))
		b43_nphy_set_rf_sequence(dev, 0, rx2tx_events_ipa,
				rx2tx_delays_ipa, ARRAY_SIZE(rx2tx_events_ipa));

2371 2372
	b43_phy_maskset(dev, B43_NPHY_EPS_OVERRIDEI_0, 0x3FFF, 0x4000);
	b43_phy_maskset(dev, B43_NPHY_EPS_OVERRIDEI_1, 0x3FFF, 0x4000);
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	lpf_20 = b43_nphy_read_lpf_ctl(dev, 0x154);
	lpf_40 = b43_nphy_read_lpf_ctl(dev, 0x159);
	lpf_11b = b43_nphy_read_lpf_ctl(dev, 0x152);
	if (b43_nphy_ipa(dev)) {
		if ((phy->radio_rev == 5 && phy->is_40mhz) ||
		    phy->radio_rev == 7 || phy->radio_rev == 8) {
			bcap_val = b43_radio_read(dev, 0x16b);
			scap_val = b43_radio_read(dev, 0x16a);
			scap_val_11b = scap_val;
			bcap_val_11b = bcap_val;
			if (phy->radio_rev == 5 && phy->is_40mhz) {
				scap_val_11n_20 = scap_val;
				bcap_val_11n_20 = bcap_val;
				scap_val_11n_40 = bcap_val_11n_40 = 0xc;
				rccal_ovrd = true;
			} else { /* Rev 7/8 */
				lpf_20 = 4;
				lpf_11b = 1;
				if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
					scap_val_11n_20 = 0xc;
					bcap_val_11n_20 = 0xc;
					scap_val_11n_40 = 0xa;
					bcap_val_11n_40 = 0xa;
				} else {
					scap_val_11n_20 = 0x14;
					bcap_val_11n_20 = 0x14;
					scap_val_11n_40 = 0xf;
					bcap_val_11n_40 = 0xf;
				}
				rccal_ovrd = true;
			}
		}
	} else {
		if (phy->radio_rev == 5) {
			lpf_20 = 1;
			lpf_40 = 3;
			bcap_val = b43_radio_read(dev, 0x16b);
			scap_val = b43_radio_read(dev, 0x16a);
			scap_val_11b = scap_val;
			bcap_val_11b = bcap_val;
			scap_val_11n_20 = 0x11;
			scap_val_11n_40 = 0x11;
			bcap_val_11n_20 = 0x13;
			bcap_val_11n_40 = 0x13;
			rccal_ovrd = true;
		}
	}
	if (rccal_ovrd) {
		rx2tx_lut_20_11b = (bcap_val_11b << 8) |
				   (scap_val_11b << 3) |
				   lpf_11b;
		rx2tx_lut_20_11n = (bcap_val_11n_20 << 8) |
				   (scap_val_11n_20 << 3) |
				   lpf_20;
		rx2tx_lut_40_11n = (bcap_val_11n_40 << 8) |
				   (scap_val_11n_40 << 3) |
				   lpf_40;
		for (core = 0; core < 2; core++) {
			b43_ntab_write(dev, B43_NTAB16(7, 0x152 + core * 16),
				       rx2tx_lut_20_11b);
			b43_ntab_write(dev, B43_NTAB16(7, 0x153 + core * 16),
				       rx2tx_lut_20_11n);
			b43_ntab_write(dev, B43_NTAB16(7, 0x154 + core * 16),
				       rx2tx_lut_20_11n);
			b43_ntab_write(dev, B43_NTAB16(7, 0x155 + core * 16),
				       rx2tx_lut_40_11n);
			b43_ntab_write(dev, B43_NTAB16(7, 0x156 + core * 16),
				       rx2tx_lut_40_11n);
			b43_ntab_write(dev, B43_NTAB16(7, 0x157 + core * 16),
				       rx2tx_lut_40_11n);
			b43_ntab_write(dev, B43_NTAB16(7, 0x158 + core * 16),
				       rx2tx_lut_40_11n);
			b43_ntab_write(dev, B43_NTAB16(7, 0x159 + core * 16),
				       rx2tx_lut_40_11n);
		}
2449
		b43_nphy_rf_ctl_override_rev7(dev, 16, 1, 3, false, 2);
2450 2451 2452
	}
	b43_phy_write(dev, 0x32F, 0x3);
	if (phy->radio_rev == 4 || phy->radio_rev == 6)
2453
		b43_nphy_rf_ctl_override_rev7(dev, 4, 1, 3, false, 0);
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	if (phy->radio_rev == 3 || phy->radio_rev == 4 || phy->radio_rev == 6) {
		if (sprom->revision &&
		    sprom->boardflags2_hi & B43_BFH2_IPALVLSHIFT_3P3) {
			b43_radio_write(dev, 0x5, 0x05);
			b43_radio_write(dev, 0x6, 0x30);
			b43_radio_write(dev, 0x7, 0x00);
			b43_radio_set(dev, 0x4f, 0x1);
			b43_radio_set(dev, 0xd4, 0x1);
			bias = 0x1f;
			conv = 0x6f;
			filt = 0xaa;
		} else {
			bias = 0x2b;
			conv = 0x7f;
			filt = 0xee;
		}
		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
			for (core = 0; core < 2; core++) {
				if (core == 0) {
					b43_radio_write(dev, 0x5F, bias);
					b43_radio_write(dev, 0x64, conv);
					b43_radio_write(dev, 0x66, filt);
				} else {
					b43_radio_write(dev, 0xE8, bias);
					b43_radio_write(dev, 0xE9, conv);
					b43_radio_write(dev, 0xEB, filt);
				}
			}
		}
	}

	if (b43_nphy_ipa(dev)) {
		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
			if (phy->radio_rev == 3 || phy->radio_rev == 4 ||
			    phy->radio_rev == 6) {
				for (core = 0; core < 2; core++) {
					if (core == 0)
						b43_radio_write(dev, 0x51,
								0x7f);
					else
						b43_radio_write(dev, 0xd6,
								0x7f);
				}
			}
			if (phy->radio_rev == 3) {
				for (core = 0; core < 2; core++) {
					if (core == 0) {
						b43_radio_write(dev, 0x64,
								0x13);
						b43_radio_write(dev, 0x5F,
								0x1F);
						b43_radio_write(dev, 0x66,
								0xEE);
						b43_radio_write(dev, 0x59,
								0x8A);
						b43_radio_write(dev, 0x80,
								0x3E);
					} else {
						b43_radio_write(dev, 0x69,
								0x13);
						b43_radio_write(dev, 0xE8,
								0x1F);
						b43_radio_write(dev, 0xEB,
								0xEE);
						b43_radio_write(dev, 0xDE,
								0x8A);
						b43_radio_write(dev, 0x105,
								0x3E);
					}
				}
			} else if (phy->radio_rev == 7 || phy->radio_rev == 8) {
				if (!phy->is_40mhz) {
					b43_radio_write(dev, 0x5F, 0x14);
					b43_radio_write(dev, 0xE8, 0x12);
				} else {
					b43_radio_write(dev, 0x5F, 0x16);
					b43_radio_write(dev, 0xE8, 0x16);
				}
			}
		} else {
			u16 freq = phy->channel_freq;
			if ((freq >= 5180 && freq <= 5230) ||
			    (freq >= 5745 && freq <= 5805)) {
				b43_radio_write(dev, 0x7D, 0xFF);
				b43_radio_write(dev, 0xFE, 0xFF);
			}
		}
	} else {
		if (phy->radio_rev != 5) {
			for (core = 0; core < 2; core++) {
				if (core == 0) {
					b43_radio_write(dev, 0x5c, 0x61);
					b43_radio_write(dev, 0x51, 0x70);
				} else {
					b43_radio_write(dev, 0xe1, 0x61);
					b43_radio_write(dev, 0xd6, 0x70);
				}
			}
		}
	}

	if (phy->radio_rev == 4) {
		b43_ntab_write(dev, B43_NTAB16(8, 0x05), 0x20);
		b43_ntab_write(dev, B43_NTAB16(8, 0x15), 0x20);
		for (core = 0; core < 2; core++) {
			if (core == 0) {
				b43_radio_write(dev, 0x1a1, 0x00);
				b43_radio_write(dev, 0x1a2, 0x3f);
				b43_radio_write(dev, 0x1a6, 0x3f);
			} else {
				b43_radio_write(dev, 0x1a7, 0x00);
				b43_radio_write(dev, 0x1ab, 0x3f);
				b43_radio_write(dev, 0x1ac, 0x3f);
			}
		}
	} else {
		b43_phy_set(dev, B43_NPHY_AFECTL_C1, 0x4);
		b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x4);
		b43_phy_set(dev, B43_NPHY_AFECTL_C2, 0x4);
		b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4);

		b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x1);
		b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x1);
		b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x1);
		b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x1);
		b43_ntab_write(dev, B43_NTAB16(8, 0x05), 0x20);
		b43_ntab_write(dev, B43_NTAB16(8, 0x15), 0x20);

		b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x4);
		b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, ~0x4);
		b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x4);
		b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x4);
	}

	b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, 0x2);

	b43_ntab_write(dev, B43_NTAB32(16, 0x100), 20);
	b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x138), 2, ntab7_138_146);
	b43_ntab_write(dev, B43_NTAB16(7, 0x141), 0x77);
	b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x133), 3, ntab7_133);
	b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x146), 2, ntab7_138_146);
	b43_ntab_write(dev, B43_NTAB16(7, 0x123), 0x77);
	b43_ntab_write(dev, B43_NTAB16(7, 0x12A), 0x77);

	if (!phy->is_40mhz) {
		b43_ntab_write(dev, B43_NTAB32(16, 0x03), 0x18D);
		b43_ntab_write(dev, B43_NTAB32(16, 0x7F), 0x18D);
	} else {
		b43_ntab_write(dev, B43_NTAB32(16, 0x03), 0x14D);
		b43_ntab_write(dev, B43_NTAB32(16, 0x7F), 0x14D);
	}

	b43_nphy_gain_ctl_workarounds(dev);

	/* TODO
	b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x08), 4,
			    aux_adc_vmid_rev7_core0);
	b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x18), 4,
			    aux_adc_vmid_rev7_core1);
	b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x0C), 4,
			    aux_adc_gain_rev7);
	b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x1C), 4,
			    aux_adc_gain_rev7);
	*/
}

2621
static void b43_nphy_workarounds_rev3plus(struct b43_wldev *dev)
2622
{
2623
	struct b43_phy_n *nphy = dev->phy.n;
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2624
	struct ssb_sprom *sprom = dev->dev->bus_sprom;
2625

2626
	/* TX to RX */
2627 2628
	u8 tx2rx_events[7] = { 0x4, 0x3, 0x5, 0x2, 0x1, 0x8, 0x1F };
	u8 tx2rx_delays[7] = { 8, 4, 4, 4, 4, 6, 1 };
2629 2630 2631 2632 2633 2634 2635
	/* 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 };

2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652
	u16 vmids[5][4] = {
		{ 0xa2, 0xb4, 0xb4, 0x89, }, /* 0 */
		{ 0xb4, 0xb4, 0xb4, 0x24, }, /* 1 */
		{ 0xa2, 0xb4, 0xb4, 0x74, }, /* 2 */
		{ 0xa2, 0xb4, 0xb4, 0x270, }, /* 3 */
		{ 0xa2, 0xb4, 0xb4, 0x00, }, /* 4 and 5 */
	};
	u16 gains[5][4] = {
		{ 0x02, 0x02, 0x02, 0x00, }, /* 0 */
		{ 0x02, 0x02, 0x02, 0x02, }, /* 1 */
		{ 0x02, 0x02, 0x02, 0x04, }, /* 2 */
		{ 0x02, 0x02, 0x02, 0x00, }, /* 3 */
		{ 0x02, 0x02, 0x02, 0x00, }, /* 4 and 5 */
	};
	u16 *vmid, *gain;

	u8 pdet_range;
2653 2654 2655
	u16 tmp16;
	u32 tmp32;

2656 2657
	b43_phy_write(dev, B43_NPHY_FORCEFRONT0, 0x1f8);
	b43_phy_write(dev, B43_NPHY_FORCEFRONT1, 0x1f8);
2658

2659 2660 2661
	tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0));
	tmp32 &= 0xffffff;
	b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32);
2662

2663 2664 2665 2666 2667 2668
	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);
2669

2670 2671
	b43_phy_write(dev, B43_NPHY_REV3_C1_CLIP_LOGAIN_B, 0x000C);
	b43_phy_write(dev, B43_NPHY_REV3_C2_CLIP_LOGAIN_B, 0x000C);
2672

2673
	/* TX to RX */
2674 2675
	b43_nphy_set_rf_sequence(dev, 1, tx2rx_events, tx2rx_delays,
				 ARRAY_SIZE(tx2rx_events));
2676 2677 2678

	/* RX to TX */
	if (b43_nphy_ipa(dev))
2679 2680
		b43_nphy_set_rf_sequence(dev, 0, rx2tx_events_ipa,
				rx2tx_delays_ipa, ARRAY_SIZE(rx2tx_events_ipa));
2681 2682 2683 2684 2685 2686 2687
	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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2688
		b43_nphy_set_rf_sequence(dev, 0, rx2tx_events, rx2tx_delays,
2689
					 ARRAY_SIZE(rx2tx_events));
2690
	}
2691

2692 2693 2694
	tmp16 = (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ?
		0x2 : 0x9C40;
	b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, tmp16);
2695

2696
	b43_phy_maskset(dev, B43_NPHY_SGILTRNOFFSET, 0xF0FF, 0x0700);
2697

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2698 2699 2700 2701 2702 2703 2704
	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);
	}
2705

2706
	b43_nphy_gain_ctl_workarounds(dev);
2707

2708 2709
	b43_ntab_write(dev, B43_NTAB16(8, 0), 2);
	b43_ntab_write(dev, B43_NTAB16(8, 16), 2);
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
	if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
		pdet_range = sprom->fem.ghz2.pdet_range;
	else
		pdet_range = sprom->fem.ghz5.pdet_range;
	vmid = vmids[min_t(u16, pdet_range, 4)];
	gain = gains[min_t(u16, pdet_range, 4)];
	switch (pdet_range) {
	case 3:
		if (!(dev->phy.rev >= 4 &&
		      b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ))
			break;
		/* FALL THROUGH */
	case 0:
	case 1:
		b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x08), 4, vmid);
		b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x18), 4, vmid);
		b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x0c), 4, gain);
		b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x1c), 4, gain);
		break;
	case 2:
		if (dev->phy.rev >= 6) {
			if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
				vmid[3] = 0x94;
			else
				vmid[3] = 0x8e;
			gain[3] = 3;
		} else if (dev->phy.rev == 5) {
			vmid[3] = 0x84;
			gain[3] = 2;
		}
		b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x08), 4, vmid);
		b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x18), 4, vmid);
		b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x0c), 4, gain);
		b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x1c), 4, gain);
		break;
	case 4:
	case 5:
		if (b43_current_band(dev->wl) != IEEE80211_BAND_2GHZ) {
			if (pdet_range == 4) {
				vmid[3] = 0x8e;
				tmp16 = 0x96;
				gain[3] = 0x2;
			} else {
				vmid[3] = 0x89;
				tmp16 = 0x89;
				gain[3] = 0;
			}
		} else {
			if (pdet_range == 4) {
				vmid[3] = 0x89;
				tmp16 = 0x8b;
				gain[3] = 0x2;
			} else {
				vmid[3] = 0x74;
				tmp16 = 0x70;
				gain[3] = 0;
			}
		}
		b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x08), 4, vmid);
		b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x0c), 4, gain);
		vmid[3] = tmp16;
		b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x18), 4, vmid);
		b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x1c), 4, gain);
		break;
	}
2776

2777 2778 2779 2780 2781 2782 2783 2784
	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);
2785 2786
	b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803
	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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Rafał Miłecki 已提交
2804
	    b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
2805 2806 2807 2808 2809
		b43_radio_write(dev, B2056_TX0 | B2056_TX_GMBB_IDAC,
				0x70);
		b43_radio_write(dev, B2056_TX1 | B2056_TX_GMBB_IDAC,
				0x70);
	}
2810

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Rafał Miłecki 已提交
2811
	/* Dropped probably-always-true condition */
2812 2813
	b43_phy_write(dev, B43_NPHY_ED_CRS40ASSERTTHRESH0, 0x03eb);
	b43_phy_write(dev, B43_NPHY_ED_CRS40ASSERTTHRESH1, 0x03eb);
2814
	b43_phy_write(dev, B43_NPHY_ED_CRS40DEASSERTTHRESH0, 0x0341);
2815 2816 2817 2818 2819 2820 2821 2822 2823
	b43_phy_write(dev, B43_NPHY_ED_CRS40DEASSERTTHRESH1, 0x0341);
	b43_phy_write(dev, B43_NPHY_ED_CRS20LASSERTTHRESH0, 0x042b);
	b43_phy_write(dev, B43_NPHY_ED_CRS20LASSERTTHRESH1, 0x042b);
	b43_phy_write(dev, B43_NPHY_ED_CRS20LDEASSERTTHRESH0, 0x0381);
	b43_phy_write(dev, B43_NPHY_ED_CRS20LDEASSERTTHRESH1, 0x0381);
	b43_phy_write(dev, B43_NPHY_ED_CRS20UASSERTTHRESH0, 0x042b);
	b43_phy_write(dev, B43_NPHY_ED_CRS20UASSERTTHRESH1, 0x042b);
	b43_phy_write(dev, B43_NPHY_ED_CRS20UDEASSERTTHRESH0, 0x0381);
	b43_phy_write(dev, B43_NPHY_ED_CRS20UDEASSERTTHRESH1, 0x0381);
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2824 2825 2826

	if (dev->phy.rev >= 6 && sprom->boardflags2_lo & B43_BFL2_SINGLEANT_CCK)
		; /* TODO: 0x0080000000000000 HF */
2827
}
2828

2829 2830 2831 2832 2833
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;
2834

2835 2836
	u8 events1[7] = { 0x0, 0x1, 0x2, 0x8, 0x4, 0x5, 0x3 };
	u8 delays1[7] = { 0x8, 0x6, 0x6, 0x2, 0x4, 0x3C, 0x1 };
2837

2838 2839
	u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 };
	u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 };
2840

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Rafał Miłecki 已提交
2841
	if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD ||
2842
	    dev->dev->board_type == BCMA_BOARD_TYPE_BCM943224M93) {
R
Rafał Miłecki 已提交
2843 2844 2845 2846
		delays1[0] = 0x1;
		delays1[5] = 0x14;
	}

2847 2848 2849 2850
	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);
2851
	} else {
2852 2853 2854
		b43_radio_set(dev, B2055_C1_TX_RF_SPARE, 0x8);
		b43_radio_set(dev, B2055_C2_TX_RF_SPARE, 0x8);
	}
2855

2856 2857
	b43_ntab_write(dev, B43_NTAB16(8, 0x00), 0x000A);
	b43_ntab_write(dev, B43_NTAB16(8, 0x10), 0x000A);
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Rafał Miłecki 已提交
2858 2859 2860 2861
	if (dev->phy.rev < 3) {
		b43_ntab_write(dev, B43_NTAB16(8, 0x02), 0xCDAA);
		b43_ntab_write(dev, B43_NTAB16(8, 0x12), 0xCDAA);
	}
2862 2863 2864 2865 2866 2867 2868 2869 2870

	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);
	}
2871

2872 2873 2874 2875
	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);
2876

2877 2878 2879
	b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7);
	b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7);

2880
	b43_nphy_gain_ctl_workarounds(dev);
2881 2882 2883 2884 2885 2886 2887 2888 2889

	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);
	}
2890

2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902
	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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2903 2904 2905 2906 2907 2908 2909
	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);
	}
2910 2911 2912 2913 2914

	if (dev->phy.rev == 2)
		b43_phy_set(dev, B43_NPHY_FINERX2_CGC,
				B43_NPHY_FINERX2_CGC_DECGC);
}
2915

2916 2917 2918 2919 2920
/* 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;
2921

2922 2923 2924 2925
	if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
		b43_nphy_classifier(dev, 1, 0);
	else
		b43_nphy_classifier(dev, 1, 1);
2926

2927 2928 2929 2930 2931 2932
	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);

2933 2934 2935
	if (dev->phy.rev >= 7)
		b43_nphy_workarounds_rev7plus(dev);
	else if (dev->phy.rev >= 3)
2936 2937 2938
		b43_nphy_workarounds_rev3plus(dev);
	else
		b43_nphy_workarounds_rev1_2(dev);
2939 2940 2941 2942 2943

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

2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051 3052 3053 3054
/**************************************************
 * 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];
	}
}

3055
/**************************************************
3056
 * Tx and Rx
3057
 **************************************************/
3058

3059 3060 3061
static void b43_nphy_op_adjust_txpower(struct b43_wldev *dev)
{//TODO
}
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3062

3063 3064 3065 3066 3067
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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3068

3069 3070 3071 3072 3073
/* 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;
3074 3075
	u16 bmask, val, tmp;
	enum ieee80211_band band = b43_current_band(dev->wl);
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3076

3077 3078
	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 1);
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3079

3080 3081
	nphy->txpwrctrl = enable;
	if (!enable) {
3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092
		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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3093

3094 3095 3096
		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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3097

3098 3099 3100
		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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3101

3102 3103 3104 3105
		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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3106

3107 3108 3109 3110 3111 3112
		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);
		}
3113

3114 3115 3116 3117 3118 3119
		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);
3120

3121 3122
		if (dev->phy.rev < 2 && dev->phy.is_40mhz)
			b43_hf_write(dev, b43_hf_read(dev) | B43_HF_TSSIRPSMW);
3123
	} else {
3124 3125 3126 3127
		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);
3128

3129 3130 3131 3132 3133 3134 3135 3136 3137 3138
		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);
3139

3140 3141 3142 3143 3144 3145 3146 3147
		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);
		}
3148

3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161
		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]);
			}
		}
3162

3163 3164 3165 3166 3167 3168
		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);
		}
3169

3170 3171 3172 3173
		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);
3174

3175 3176
		if (dev->phy.rev < 2 && dev->phy.is_40mhz)
			b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_TSSIRPSMW);
3177

3178
		if (b43_nphy_ipa(dev)) {
3179 3180
			b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x4);
			b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x4);
3181 3182 3183
		}
	}

3184 3185
	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 0);
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3186 3187
}

3188
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrFix */
3189
static void b43_nphy_tx_power_fix(struct b43_wldev *dev)
3190 3191
{
	struct b43_phy_n *nphy = dev->phy.n;
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3192
	struct ssb_sprom *sprom = dev->dev->bus_sprom;
3193

3194 3195 3196 3197 3198
	u8 txpi[2], bbmult, i;
	u16 tmp, radio_gain, dac_gain;
	u16 freq = dev->phy.channel_freq;
	u32 txgain;
	/* u32 gaintbl; rev3+ */
3199 3200

	if (nphy->hang_avoid)
3201
		b43_nphy_stay_in_carrier_search(dev, 1);
3202

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3203 3204 3205
	if (dev->phy.rev >= 7) {
		txpi[0] = txpi[1] = 30;
	} else if (dev->phy.rev >= 3) {
3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226
		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;
3227 3228
		}
	}
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3229
	if (dev->phy.rev < 7 &&
3230
	    (txpi[0] < 40 || txpi[0] > 100 || txpi[1] < 40 || txpi[1] > 100))
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3231
		txpi[0] = txpi[1] = 91;
3232

3233 3234 3235 3236
	/*
	for (i = 0; i < 2; i++) {
		nphy->txpwrindex[i].index_internal = txpi[i];
		nphy->txpwrindex[i].index_internal_save = txpi[i];
M
Michael Buesch 已提交
3237
	}
3238
	*/
3239

3240
	for (i = 0; i < 2; i++) {
3241 3242 3243
		txgain = *(b43_nphy_get_tx_gain_table(dev) + txpi[i]);

		if (dev->phy.rev >= 3)
3244
			radio_gain = (txgain >> 16) & 0x1FFFF;
3245
		else
3246
			radio_gain = (txgain >> 16) & 0x1FFF;
3247

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3248 3249 3250 3251
		if (dev->phy.rev >= 7)
			dac_gain = (txgain >> 8) & 0x7;
		else
			dac_gain = (txgain >> 8) & 0x3F;
3252
		bbmult = txgain & 0xFF;
3253

3254 3255 3256 3257 3258 3259 3260 3261
		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);
		}
3262

3263 3264 3265 3266
		if (i == 0)
			b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN1, dac_gain);
		else
			b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN2, dac_gain);
3267

3268
		b43_ntab_write(dev, B43_NTAB16(0x7, 0x110 + i), radio_gain);
3269

3270
		tmp = b43_ntab_read(dev, B43_NTAB16(0xF, 0x57));
3271 3272 3273 3274
		if (i == 0)
			tmp = (tmp & 0x00FF) | (bbmult << 8);
		else
			tmp = (tmp & 0xFF00) | bbmult;
3275
		b43_ntab_write(dev, B43_NTAB16(0xF, 0x57), tmp);
3276

3277 3278 3279 3280
		if (b43_nphy_ipa(dev)) {
			u32 tmp32;
			u16 reg = (i == 0) ?
				B43_NPHY_PAPD_EN0 : B43_NPHY_PAPD_EN1;
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3281 3282
			tmp32 = b43_ntab_read(dev, B43_NTAB32(26 + i,
							      576 + txpi[i]));
3283 3284
			b43_phy_maskset(dev, reg, 0xE00F, (u32) tmp32 << 4);
			b43_phy_set(dev, reg, 0x4);
3285 3286 3287
		}
	}

3288
	b43_phy_mask(dev, B43_NPHY_BPHY_CTL2, ~B43_NPHY_BPHY_CTL2_LUT);
3289

3290 3291
	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 0);
3292
}
3293

3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 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 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
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)
3390
		b43_nphy_rf_ctl_override_rev7(dev, 0x2000, 0, 3, false, 0);
3391
	else if (phy->rev >= 3)
3392
		b43_nphy_rf_ctl_override(dev, 0x2000, 0, 3, false);
3393 3394 3395 3396

	b43_nphy_stop_playback(dev);
	b43_nphy_tx_tone(dev, 0xFA0, 0, false, false);
	udelay(20);
3397
	tmp = b43_nphy_poll_rssi(dev, N_RSSI_TSSI_2G, rssi, 1);
3398
	b43_nphy_stop_playback(dev);
3399
	b43_nphy_rssi_select(dev, 0, N_RSSI_W1);
3400 3401

	if (phy->rev >= 7)
3402
		b43_nphy_rf_ctl_override_rev7(dev, 0x2000, 0, 3, true, 0);
3403
	else if (phy->rev >= 3)
3404
		b43_nphy_rf_ctl_override(dev, 0x2000, 0, 3, true);
3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416

	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;
}

3417 3418 3419 3420 3421 3422 3423 3424
/* 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;

3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438
	/* Array adj_pwr_tbl corresponds to the hardware table. It consists of
	 * 21 groups, each containing 4 entries.
	 *
	 * First group has entries for CCK modulation.
	 * The rest of groups has 1 entry per modulation (SISO, CDD, STBC, SDM).
	 *
	 * Group 0 is for CCK
	 * Groups 1..4 use BPSK (group per coding rate)
	 * Groups 5..8 use QPSK (group per coding rate)
	 * Groups 9..12 use 16-QAM (group per coding rate)
	 * Groups 13..16 use 64-QAM (group per coding rate)
	 * Groups 17..20 are unknown
	 */

3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 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 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 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 3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3591 3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608 3609 3610 3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643
	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);
}

3644 3645 3646
static void b43_nphy_tx_gain_table_upload(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
3647

3648 3649 3650 3651 3652
	const u32 *table = NULL;
	u32 rfpwr_offset;
	u8 pga_gain;
	int i;

3653
	table = b43_nphy_get_tx_gain_table(dev);
3654 3655 3656 3657 3658 3659
	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;
3660
#endif
3661 3662 3663 3664

		for (i = 0; i < 128; i++) {
			pga_gain = (table[i] >> 24) & 0xF;
			if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
3665 3666
				rfpwr_offset =
				 b43_ntab_papd_pga_gain_delta_ipa_2g[pga_gain];
3667
			else
3668 3669
				rfpwr_offset =
				 0; /* FIXME */
3670 3671 3672 3673 3674
			b43_ntab_write(dev, B43_NTAB32(26, 576 + i),
				       rfpwr_offset);
			b43_ntab_write(dev, B43_NTAB32(27, 576 + i),
				       rfpwr_offset);
		}
3675 3676 3677
	}
}

3678 3679
/* 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
3680
{
3681 3682 3683
	struct b43_phy_n *nphy = dev->phy.n;
	enum ieee80211_band band;
	u16 tmp;
M
Michael Buesch 已提交
3684

3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708
	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
3709 3710 3711
	}
}

3712 3713
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxLpFbw */
static void b43_nphy_tx_lp_fbw(struct b43_wldev *dev)
3714 3715 3716
{
	u16 tmp;

3717
	if (dev->phy.rev >= 3) {
3718
		if (b43_nphy_ipa(dev)) {
3719 3720 3721 3722
			tmp = 4;
			b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S2,
			      (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
		}
3723

3724 3725 3726 3727 3728
		tmp = 1;
		b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S2,
			      (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
	}
}
3729

3730 3731 3732
/* 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)
3733
{
3734 3735
	int i;
	u16 tmp;
3736

3737 3738 3739 3740
	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);
3741
	else
3742
		b43_phy_mask(dev, B43_NPHY_IQEST_CMD, ~B43_NPHY_IQEST_CMD_MODE);
3743

3744
	b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_START);
3745

3746 3747 3748 3749 3750 3751 3752 3753 3754
	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);
3755

3756 3757 3758 3759 3760 3761 3762
			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;
3763
		}
3764
		udelay(10);
3765
	}
3766
	memset(est, 0, sizeof(*est));
3767 3768
}

3769 3770 3771
/* 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)
3772
{
3773 3774 3775 3776 3777
	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);
3778
	} else {
3779 3780 3781 3782 3783 3784
		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);
	}
}
3785

R
Rafał Miłecki 已提交
3786 3787
#if 0
/* Ready but not used anywhere */
3788 3789 3790 3791
/* 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;
3792

3793 3794 3795 3796 3797 3798 3799 3800 3801 3802 3803 3804 3805 3806 3807 3808 3809
	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]);
}
3810

3811 3812 3813 3814 3815
/* 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;
3816

3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 3830 3831 3832
	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);
3833

3834 3835
	b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
	b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
3836

3837 3838
	b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
			~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
3839 3840 3841 3842 3843 3844 3845
			((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));
3846

3847 3848 3849 3850 3851 3852 3853
	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);
	}
3854

3855
	b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_PA, 0, 3);
3856
	b43_nphy_rf_ctl_override(dev, 8, 0, 3, false);
3857
	b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
3858

3859 3860 3861 3862 3863 3864
	if (core == 0) {
		rxval = 1;
		txval = 8;
	} else {
		rxval = 4;
		txval = 2;
3865
	}
3866 3867 3868 3869
	b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, rxval,
				      core + 1);
	b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, txval,
				      2 - core);
3870
}
R
Rafał Miłecki 已提交
3871
#endif
3872

3873 3874
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalcRxIqComp */
static void b43_nphy_calc_rx_iq_comp(struct b43_wldev *dev, u8 mask)
3875 3876
{
	int i;
3877 3878 3879 3880 3881 3882 3883 3884 3885 3886 3887 3888 3889 3890 3891 3892 3893 3894 3895 3896
	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;

3897
	for (i = 0; i < 2; i++) {
3898 3899 3900 3901 3902 3903 3904 3905
		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;
3906
		} else {
3907
			continue;
3908 3909
		}

3910 3911 3912 3913
		if (ii + qq < 2) {
			error = true;
			break;
		}
3914

3915 3916
		iq_nbits = fls(abs(iq));
		qq_nbits = fls(qq);
3917

3918 3919 3920 3921 3922 3923 3924 3925 3926 3927 3928 3929 3930
		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;
3931

3932 3933 3934 3935
		brsh = qq_nbits - 11;
		if (brsh >= 0) {
			b = (qq << (31 - qq_nbits));
			tmp = ii >> brsh;
3936
		} else {
3937 3938 3939 3940 3941 3942
			b = (qq << (31 - qq_nbits));
			tmp = ii << -brsh;
		}
		if (tmp == 0) {
			error = true;
			break;
3943
		}
3944
		b = int_sqrt(b / tmp - a * a) - (1 << 10);
3945

3946 3947 3948 3949 3950 3951 3952 3953 3954 3955 3956 3957 3958 3959 3960 3961 3962
		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;
			}
		}
3963 3964
	}

3965 3966
	if (error)
		new = old;
3967

3968 3969
	b43_nphy_rx_iq_coeffs(dev, true, &new);
}
3970

3971 3972 3973 3974
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxIqWar */
static void b43_nphy_tx_iq_workaround(struct b43_wldev *dev)
{
	u16 array[4];
3975
	b43_ntab_read_bulk(dev, B43_NTAB16(0xF, 0x50), 4, array);
3976 3977 3978 3979 3980

	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]);
3981 3982
}

3983 3984 3985 3986
/* 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;
3987

3988
	u8 channel = dev->phy.channel;
3989 3990
	int tone[2] = { 57, 58 };
	u32 noise[2] = { 0x3FF, 0x3FF };
3991

3992
	B43_WARN_ON(dev->phy.rev < 3);
3993

3994 3995
	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 1);
3996

3997 3998 3999 4000 4001 4002 4003
	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) */
4004 4005
	}

4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016
	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;
4017
			}
4018 4019 4020 4021 4022 4023 4024 4025 4026 4027 4028 4029
		} 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;
4030 4031
		}

4032 4033
		if (!tone[0] && !noise[0])
			; /* TODO: N PHY Adjust Min Noise Var(1, tone, noise)*/
4034
		else
4035 4036
			; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
	}
4037

4038 4039 4040
	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 0);
}
4041

4042 4043 4044 4045 4046 4047 4048
/* 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;
4049

4050
	u16 buffer[7];
4051

4052 4053
	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, true);
4054

4055
	b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
4056

4057 4058 4059 4060 4061 4062 4063 4064 4065 4066
	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));
4067 4068 4069
		}
	}

4070 4071 4072 4073 4074 4075
	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));
4076

4077 4078 4079 4080 4081
		if (dev->phy.rev >= 3) {
			cur_real = real_part;
			cur_imag = imag_part;
			tmp = ((cur_real & 0xFF) << 8) | (cur_imag & 0xFF);
		}
4082

4083 4084 4085 4086 4087 4088 4089 4090 4091 4092 4093 4094
		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));
		}
4095
	}
4096 4097

	if (dev->phy.rev >= 3) {
4098 4099 4100 4101
		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);
4102
	}
4103

4104 4105
	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, false);
M
Michael Buesch 已提交
4106 4107
}

4108 4109 4110 4111 4112 4113 4114 4115 4116 4117 4118 4119
/*
 * 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) {
4120
		if (!nphy->rssical_chanspec_2G.center_freq)
4121 4122 4123 4124
			return;
		rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
		rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
	} else {
4125
		if (!nphy->rssical_chanspec_5G.center_freq)
4126 4127 4128 4129 4130
			return;
		rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
		rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
	}

4131 4132 4133 4134 4135 4136 4137
	if (dev->phy.rev >= 7) {
	} else {
		b43_radio_maskset(dev, B2056_RX0 | B2056_RX_RSSI_MISC, 0xE3,
				  rssical_radio_regs[0]);
		b43_radio_maskset(dev, B2056_RX1 | B2056_RX_RSSI_MISC, 0xE3,
				  rssical_radio_regs[1]);
	}
4138 4139 4140 4141 4142 4143 4144 4145 4146 4147 4148 4149 4150 4151 4152 4153 4154

	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]);
}

4155 4156 4157 4158 4159
/* 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;
4160 4161
	u16 tmp;
	u8 offset, i;
4162 4163

	if (dev->phy.rev >= 3) {
4164 4165 4166 4167
	    for (i = 0; i < 2; i++) {
		tmp = (i == 0) ? 0x2000 : 0x3000;
		offset = i * 11;

4168 4169 4170 4171 4172 4173 4174 4175 4176 4177 4178
		save[offset + 0] = b43_radio_read(dev, B2055_CAL_RVARCTL);
		save[offset + 1] = b43_radio_read(dev, B2055_CAL_LPOCTL);
		save[offset + 2] = b43_radio_read(dev, B2055_CAL_TS);
		save[offset + 3] = b43_radio_read(dev, B2055_CAL_RCCALRTS);
		save[offset + 4] = b43_radio_read(dev, B2055_CAL_RCALRTS);
		save[offset + 5] = b43_radio_read(dev, B2055_PADDRV);
		save[offset + 6] = b43_radio_read(dev, B2055_XOCTL1);
		save[offset + 7] = b43_radio_read(dev, B2055_XOCTL2);
		save[offset + 8] = b43_radio_read(dev, B2055_XOREGUL);
		save[offset + 9] = b43_radio_read(dev, B2055_XOMISC);
		save[offset + 10] = b43_radio_read(dev, B2055_PLL_LFC1);
4179 4180

		if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
4181 4182 4183 4184 4185
			b43_radio_write(dev, tmp | B2055_CAL_RVARCTL, 0x0A);
			b43_radio_write(dev, tmp | B2055_CAL_LPOCTL, 0x40);
			b43_radio_write(dev, tmp | B2055_CAL_TS, 0x55);
			b43_radio_write(dev, tmp | B2055_CAL_RCCALRTS, 0);
			b43_radio_write(dev, tmp | B2055_CAL_RCALRTS, 0);
4186
			if (nphy->ipa5g_on) {
4187 4188
				b43_radio_write(dev, tmp | B2055_PADDRV, 4);
				b43_radio_write(dev, tmp | B2055_XOCTL1, 1);
4189
			} else {
4190 4191
				b43_radio_write(dev, tmp | B2055_PADDRV, 0);
				b43_radio_write(dev, tmp | B2055_XOCTL1, 0x2F);
4192
			}
4193
			b43_radio_write(dev, tmp | B2055_XOCTL2, 0);
4194
		} else {
4195 4196 4197 4198 4199 4200
			b43_radio_write(dev, tmp | B2055_CAL_RVARCTL, 0x06);
			b43_radio_write(dev, tmp | B2055_CAL_LPOCTL, 0x40);
			b43_radio_write(dev, tmp | B2055_CAL_TS, 0x55);
			b43_radio_write(dev, tmp | B2055_CAL_RCCALRTS, 0);
			b43_radio_write(dev, tmp | B2055_CAL_RCALRTS, 0);
			b43_radio_write(dev, tmp | B2055_XOCTL1, 0);
4201
			if (nphy->ipa2g_on) {
4202 4203
				b43_radio_write(dev, tmp | B2055_PADDRV, 6);
				b43_radio_write(dev, tmp | B2055_XOCTL2,
4204 4205
					(dev->phy.rev < 5) ? 0x11 : 0x01);
			} else {
4206 4207
				b43_radio_write(dev, tmp | B2055_PADDRV, 0);
				b43_radio_write(dev, tmp | B2055_XOCTL2, 0);
4208 4209
			}
		}
4210 4211 4212
		b43_radio_write(dev, tmp | B2055_XOREGUL, 0);
		b43_radio_write(dev, tmp | B2055_XOMISC, 0);
		b43_radio_write(dev, tmp | B2055_PLL_LFC1, 0);
4213
	    }
4214
	} else {
4215 4216
		save[0] = b43_radio_read(dev, B2055_C1_TX_RF_IQCAL1);
		b43_radio_write(dev, B2055_C1_TX_RF_IQCAL1, 0x29);
4217

4218 4219
		save[1] = b43_radio_read(dev, B2055_C1_TX_RF_IQCAL2);
		b43_radio_write(dev, B2055_C1_TX_RF_IQCAL2, 0x54);
4220

4221 4222
		save[2] = b43_radio_read(dev, B2055_C2_TX_RF_IQCAL1);
		b43_radio_write(dev, B2055_C2_TX_RF_IQCAL1, 0x29);
4223

4224 4225
		save[3] = b43_radio_read(dev, B2055_C2_TX_RF_IQCAL2);
		b43_radio_write(dev, B2055_C2_TX_RF_IQCAL2, 0x54);
4226

4227 4228
		save[3] = b43_radio_read(dev, B2055_C1_PWRDET_RXTX);
		save[4] = b43_radio_read(dev, B2055_C2_PWRDET_RXTX);
4229 4230 4231

		if (!(b43_phy_read(dev, B43_NPHY_BANDCTL) &
		    B43_NPHY_BANDCTL_5GHZ)) {
4232 4233
			b43_radio_write(dev, B2055_C1_PWRDET_RXTX, 0x04);
			b43_radio_write(dev, B2055_C2_PWRDET_RXTX, 0x04);
4234
		} else {
4235 4236
			b43_radio_write(dev, B2055_C1_PWRDET_RXTX, 0x20);
			b43_radio_write(dev, B2055_C2_PWRDET_RXTX, 0x20);
4237 4238 4239 4240 4241 4242 4243 4244 4245 4246 4247 4248
		}

		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);
		}
	}
}

4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259 4260 4261 4262 4263
/* 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;
4264
		b43_ntab_write(dev, B43_NTAB16(15, i), entry);
4265 4266 4267

		scale = (ladder_iq[i].percent * tmp) / 100;
		entry = ((scale & 0xFF) << 8) | ladder_iq[i].g_env;
4268
		b43_ntab_write(dev, B43_NTAB16(15, i + 32), entry);
4269 4270 4271
	}
}

4272 4273 4274 4275 4276 4277 4278 4279 4280 4281 4282 4283 4284 4285
/* 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
4286
	static const u16 offset[] = { 0x186, 0x195, 0x2C5 };
4287 4288 4289 4290 4291 4292 4293 4294 4295 4296 4297 4298 4299 4300 4301 4302 4303 4304 4305 4306 4307 4308

	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]);
}

4309 4310 4311 4312 4313 4314 4315 4316 4317
/* 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;

4318
	if (!nphy->txpwrctrl) {
4319 4320 4321 4322
		int i;

		if (nphy->hang_avoid)
			b43_nphy_stay_in_carrier_search(dev, true);
4323
		b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, curr_gain);
4324 4325 4326 4327 4328 4329 4330 4331 4332 4333 4334 4335 4336 4337 4338 4339 4340 4341 4342 4343 4344 4345 4346 4347 4348 4349 4350
		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) {
4351
			table = b43_nphy_get_tx_gain_table(dev);
4352 4353 4354 4355 4356 4357 4358 4359 4360 4361 4362 4363 4364 4365 4366 4367 4368
			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;
}

4369 4370 4371 4372 4373 4374 4375 4376 4377 4378 4379
/* 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]);
4380 4381
		b43_ntab_write(dev, B43_NTAB16(8, 3), regs[5]);
		b43_ntab_write(dev, B43_NTAB16(8, 19), regs[6]);
4382 4383 4384 4385 4386 4387 4388 4389 4390
		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]);
4391 4392
		b43_ntab_write(dev, B43_NTAB16(8, 2), regs[3]);
		b43_ntab_write(dev, B43_NTAB16(8, 18), regs[4]);
4393 4394 4395 4396 4397 4398 4399 4400 4401 4402 4403 4404 4405 4406 4407 4408 4409 4410 4411 4412 4413 4414 4415 4416 4417 4418
		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);
4419 4420
		b43_phy_mask(dev, B43_NPHY_BBCFG,
			     ~B43_NPHY_BBCFG_RSTRX & 0xFFFF);
4421

4422
		tmp = b43_ntab_read(dev, B43_NTAB16(8, 3));
4423
		regs[5] = tmp;
4424
		b43_ntab_write(dev, B43_NTAB16(8, 3), 0);
4425 4426

		tmp = b43_ntab_read(dev, B43_NTAB16(8, 19));
4427
		regs[6] = tmp;
4428
		b43_ntab_write(dev, B43_NTAB16(8, 19), 0);
4429 4430 4431
		regs[7] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
		regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);

4432 4433 4434
		b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_PA, 1, 3);
		b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, 2, 1);
		b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, 8, 2);
4435 4436 4437 4438 4439 4440 4441 4442 4443 4444 4445

		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);
4446
		tmp = b43_ntab_read(dev, B43_NTAB16(8, 2));
4447 4448
		regs[3] = tmp;
		tmp |= 0x2000;
4449
		b43_ntab_write(dev, B43_NTAB16(8, 2), tmp);
4450
		tmp = b43_ntab_read(dev, B43_NTAB16(8, 18));
4451 4452
		regs[4] = tmp;
		tmp |= 0x2000;
4453
		b43_ntab_write(dev, B43_NTAB16(8, 18), tmp);
4454 4455 4456 4457 4458 4459 4460 4461 4462 4463 4464
		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);
	}
}

4465 4466 4467 4468 4469 4470 4471
/* 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;
4472
	struct b43_chanspec *iqcal_chanspec;
4473 4474 4475 4476 4477 4478 4479 4480 4481 4482 4483 4484 4485 4486 4487 4488 4489 4490 4491 4492 4493 4494 4495 4496 4497 4498 4499 4500 4501 4502 4503 4504 4505 4506
	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);
	}
4507 4508
	iqcal_chanspec->center_freq = dev->phy.channel_freq;
	iqcal_chanspec->channel_type = dev->phy.channel_type;
4509
	b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 8, table);
4510 4511 4512 4513 4514

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

4515 4516 4517 4518 4519 4520 4521 4522 4523 4524 4525 4526 4527 4528
/* 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) {
4529
		if (!nphy->iqcal_chanspec_2G.center_freq)
4530 4531 4532 4533
			return;
		table = nphy->cal_cache.txcal_coeffs_2G;
		loft = &nphy->cal_cache.txcal_coeffs_2G[5];
	} else {
4534
		if (!nphy->iqcal_chanspec_5G.center_freq)
4535 4536 4537 4538 4539
			return;
		table = nphy->cal_cache.txcal_coeffs_5G;
		loft = &nphy->cal_cache.txcal_coeffs_5G[5];
	}

4540
	b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4, table);
4541 4542 4543 4544 4545 4546 4547 4548

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

4549 4550 4551
	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);
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

	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);
}

4583 4584 4585 4586 4587 4588 4589 4590 4591 4592 4593
/* 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;
4594
	u16 tmp, core, type, count, max, numb, last = 0, cmd;
4595 4596 4597 4598 4599 4600 4601 4602 4603 4604 4605 4606 4607 4608
	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;
4609
		nphy->hang_avoid = false;
4610 4611
	}

4612
	b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
4613 4614 4615 4616 4617

	for (i = 0; i < 2; i++) {
		b43_nphy_iq_cal_gain_params(dev, i, target, &params[i]);
		gain[i] = params[i].cal_gain;
	}
4618 4619

	b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain);
4620 4621

	b43_nphy_tx_cal_radio_setup(dev);
4622
	b43_nphy_tx_cal_phy_setup(dev);
4623 4624 4625 4626 4627

	phy6or5x = dev->phy.rev >= 6 ||
		(dev->phy.rev == 5 && nphy->ipa2g_on &&
		b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ);
	if (phy6or5x) {
4628 4629 4630 4631 4632 4633 4634 4635 4636 4637 4638
		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);
		}
4639 4640 4641 4642
	}

	b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8AA9);

R
Rafał Miłecki 已提交
4643
	if (!dev->phy.is_40mhz)
4644 4645 4646 4647 4648
		freq = 2500;
	else
		freq = 5000;

	if (nphy->mphase_cal_phase_id > 2)
4649 4650
		b43_nphy_run_samples(dev, (dev->phy.is_40mhz ? 40 : 20) * 8,
					0xFFFF, 0, true, false);
4651
	else
R
Rafał Miłecki 已提交
4652
		error = b43_nphy_tx_tone(dev, freq, 250, true, false);
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

	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;
				}
			}
		}

4678
		b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length, table);
4679 4680 4681 4682 4683 4684 4685 4686 4687 4688 4689 4690 4691 4692 4693 4694 4695 4696 4697 4698 4699 4700 4701 4702 4703 4704 4705 4706 4707 4708 4709 4710 4711 4712 4713 4714 4715 4716 4717 4718

		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);
4719
				updated[core] = true;
4720 4721 4722 4723 4724 4725
			}

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

			if (type == 1 || type == 3 || type == 4) {
4726 4727
				buffer[0] = b43_ntab_read(dev,
						B43_NTAB16(15, 69 + core));
4728 4729
				diq_start = buffer[0];
				buffer[0] = 0;
4730 4731
				b43_ntab_write(dev, B43_NTAB16(15, 69 + core),
						0);
4732 4733 4734 4735 4736 4737 4738 4739 4740 4741
			}

			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);
			}

4742 4743
			b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
						buffer);
4744 4745
			b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length,
						buffer);
4746 4747 4748 4749 4750 4751 4752 4753 4754 4755 4756

			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) {
4757
			b43_ntab_write_bulk(dev, B43_NTAB16(15, 96), 4, buffer);
4758
			b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 4, buffer);
4759 4760 4761 4762 4763 4764
			if (dev->phy.rev < 3) {
				buffer[0] = 0;
				buffer[1] = 0;
				buffer[2] = 0;
				buffer[3] = 0;
			}
4765 4766
			b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
						buffer);
4767
			b43_ntab_read_bulk(dev, B43_NTAB16(15, 101), 2,
4768 4769 4770 4771 4772
						buffer);
			b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
						buffer);
			b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
						buffer);
4773 4774 4775
			length = 11;
			if (dev->phy.rev < 3)
				length -= 2;
4776 4777
			b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
						nphy->txiqlocal_bestc);
4778
			nphy->txiqlocal_coeffsvalid = true;
4779 4780 4781 4782
			nphy->txiqlocal_chanspec.center_freq =
							dev->phy.channel_freq;
			nphy->txiqlocal_chanspec.channel_type =
							dev->phy.channel_type;
4783 4784 4785 4786
		} else {
			length = 11;
			if (dev->phy.rev < 3)
				length -= 2;
4787 4788
			b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
						nphy->mphase_txcal_bestcoeffs);
4789 4790
		}

4791
		b43_nphy_stop_playback(dev);
4792 4793 4794
		b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0);
	}

4795
	b43_nphy_tx_cal_phy_cleanup(dev);
4796
	b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
4797 4798 4799 4800 4801 4802 4803 4804 4805 4806 4807 4808

	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;
}

4809 4810 4811 4812 4813 4814 4815 4816
/* 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;

4817
	if (!nphy->txiqlocal_coeffsvalid ||
4818 4819
	    nphy->txiqlocal_chanspec.center_freq != dev->phy.channel_freq ||
	    nphy->txiqlocal_chanspec.channel_type != dev->phy.channel_type)
4820 4821 4822 4823 4824 4825 4826 4827 4828 4829 4830 4831 4832 4833 4834 4835 4836 4837 4838 4839 4840 4841 4842 4843
		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]);
	}
}

4844 4845 4846 4847 4848 4849 4850 4851 4852
/* 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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Rafał Miłecki 已提交
4853
	u16 uninitialized_var(cur_hpf1), uninitialized_var(cur_hpf2), cur_lna;
4854 4855 4856 4857 4858 4859 4860 4861
	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 };
4862
	u32 power[3] = { };
4863 4864 4865 4866 4867 4868 4869 4870 4871 4872 4873
	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)
4874
		b43_nphy_reapply_tx_cal_coeffs(dev);
4875
	b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
4876 4877 4878 4879
	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;
	}
4880
	b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, cal_gain);
4881 4882 4883 4884 4885 4886 4887 4888 4889 4890 4891 4892 4893 4894 4895 4896 4897 4898 4899

	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,
4900
				~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
4901 4902 4903 4904 4905 4906 4907 4908 4909 4910 4911 4912 4913 4914 4915 4916 4917 4918 4919 4920 4921 4922 4923 4924 4925 4926 4927 4928 4929 4930 4931 4932
				((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));
		}

4933
		for (j = 0; j < 4; j++) {
4934 4935 4936 4937 4938 4939 4940 4941 4942 4943 4944 4945 4946 4947 4948 4949 4950 4951 4952 4953 4954 4955 4956 4957 4958 4959 4960 4961 4962 4963 4964 4965 4966
			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));
4967
			b43_nphy_rf_ctl_override(dev, 0x400, tmp[0], 3,
4968
									false);
4969
			b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
4970
			b43_nphy_stop_playback(dev);
4971 4972

			if (playtone) {
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Rafał Miłecki 已提交
4973 4974 4975
				ret = b43_nphy_tx_tone(dev, 4000,
						(nphy->rxcalparams & 0xFFFF),
						false, false);
4976 4977
				playtone = false;
			} else {
4978 4979
				b43_nphy_run_samples(dev, 160, 0xFFFF, 0,
							false, false);
4980 4981 4982 4983 4984 4985 4986 4987 4988 4989 4990 4991 4992 4993 4994 4995 4996
			}

			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);
				}
4997
				b43_nphy_stop_playback(dev);
4998 4999 5000 5001 5002 5003 5004 5005 5006 5007 5008 5009 5010 5011 5012 5013 5014 5015
			}

			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;
	}

5016
	b43_nphy_rf_ctl_override(dev, 0x400, 0, 3, true);
5017
	b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
5018
	b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
5019 5020 5021 5022 5023 5024 5025 5026 5027 5028 5029 5030 5031 5032 5033 5034 5035 5036 5037 5038 5039 5040

	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);
}

5041 5042 5043 5044 5045
/* 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
5046
	/* u16 buf[16]; it's rev3+ */
5047

5048 5049
	nphy->phyrxchain = mask;

5050 5051 5052 5053 5054 5055 5056 5057 5058 5059 5060
	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);

5061
	if ((mask & 0x3) != 0x3) {
5062 5063 5064 5065 5066 5067 5068 5069 5070 5071 5072 5073 5074 5075 5076 5077 5078 5079 5080
		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);
}

5081 5082 5083 5084 5085 5086 5087 5088 5089 5090 5091 5092 5093 5094 5095 5096 5097 5098 5099 5100 5101 5102 5103 5104 5105 5106 5107 5108 5109 5110 5111 5112 5113 5114 5115 5116 5117 5118 5119 5120 5121 5122 5123 5124 5125 5126 5127 5128 5129 5130 5131 5132 5133 5134 5135 5136 5137 5138 5139 5140 5141 5142 5143 5144 5145 5146 5147 5148
/**************************************************
 * N-PHY init
 **************************************************/

/* 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
Rafał Miłecki 已提交
5149 5150 5151 5152
		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);
5153 5154 5155 5156 5157 5158 5159 5160 5161 5162 5163

		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 */
5164
static int b43_phy_initn(struct b43_wldev *dev)
5165
{
R
Rafał Miłecki 已提交
5166
	struct ssb_sprom *sprom = dev->dev->bus_sprom;
M
Michael Buesch 已提交
5167
	struct b43_phy *phy = &dev->phy;
5168 5169 5170
	struct b43_phy_n *nphy = phy->n;
	u8 tx_pwr_state;
	struct nphy_txgains target;
M
Michael Buesch 已提交
5171
	u16 tmp;
5172 5173 5174 5175 5176
	enum ieee80211_band tmp2;
	bool do_rssi_cal;

	u16 clip[2];
	bool do_cal = false;
M
Michael Buesch 已提交
5177

5178
	if ((dev->phy.rev >= 3) &&
R
Rafał Miłecki 已提交
5179
	   (sprom->boardflags_lo & B43_BFL_EXTLNA) &&
5180
	   (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)) {
5181
		switch (dev->dev->bus_type) {
5182 5183 5184 5185 5186 5187
#ifdef CONFIG_B43_BCMA
		case B43_BUS_BCMA:
			bcma_cc_set32(&dev->dev->bdev->bus->drv_cc,
				      BCMA_CC_CHIPCTL, 0x40);
			break;
#endif
5188 5189 5190 5191 5192 5193 5194
#ifdef CONFIG_B43_SSB
		case B43_BUS_SSB:
			chipco_set32(&dev->dev->sdev->bus->chipco,
				     SSB_CHIPCO_CHIPCTL, 0x40);
			break;
#endif
		}
5195 5196
	}
	nphy->deaf_count = 0;
M
Michael Buesch 已提交
5197
	b43_nphy_tables_init(dev);
5198 5199
	nphy->crsminpwr_adjusted = false;
	nphy->noisevars_adjusted = false;
M
Michael Buesch 已提交
5200 5201

	/* Clear all overrides */
5202 5203 5204 5205 5206 5207 5208 5209
	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
5210 5211
	b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, 0);
	b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, 0);
5212 5213 5214 5215
	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
5216 5217 5218
	b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
		     ~(B43_NPHY_RFSEQMODE_CAOVER |
		       B43_NPHY_RFSEQMODE_TROVER));
5219 5220
	if (dev->phy.rev >= 3)
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, 0);
M
Michael Buesch 已提交
5221 5222
	b43_phy_write(dev, B43_NPHY_AFECTL_OVER, 0);

5223 5224 5225 5226 5227 5228
	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
5229 5230 5231
	b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_20M, 0x20);
	b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_40M, 0x20);

5232
	if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD ||
R
Rafał Miłecki 已提交
5233
	    (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE &&
5234
	     dev->dev->board_type == BCMA_BOARD_TYPE_BCM943224M93))
5235 5236 5237 5238 5239 5240
		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);
5241

5242
	b43_nphy_update_mimo_config(dev, nphy->preamble_override);
5243
	b43_nphy_update_txrx_chain(dev);
M
Michael Buesch 已提交
5244 5245 5246 5247 5248

	if (phy->rev < 2) {
		b43_phy_write(dev, B43_NPHY_DUP40_GFBL, 0xAA8);
		b43_phy_write(dev, B43_NPHY_DUP40_BL, 0x9A4);
	}
5249 5250

	tmp2 = b43_current_band(dev->wl);
5251
	if (b43_nphy_ipa(dev)) {
5252 5253 5254 5255 5256 5257
		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);
5258
		b43_nphy_int_pa_set_tx_dig_filters(dev);
5259
	} else if (phy->rev >= 5) {
5260
		b43_nphy_ext_pa_set_tx_dig_filters(dev);
5261 5262
	}

M
Michael Buesch 已提交
5263 5264
	b43_nphy_workarounds(dev);

5265
	/* Reset CCA, in init code it differs a little from standard way */
5266
	b43_phy_force_clock(dev, 1);
5267 5268 5269
	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);
5270
	b43_phy_force_clock(dev, 0);
5271

5272
	b43_mac_phy_clock_set(dev, true);
5273

5274
	b43_nphy_pa_override(dev, false);
M
Michael Buesch 已提交
5275 5276
	b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
	b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
5277
	b43_nphy_pa_override(dev, true);
5278

5279 5280
	b43_nphy_classifier(dev, 0, 0);
	b43_nphy_read_clip_detection(dev, clip);
5281 5282 5283
	if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
		b43_nphy_bphy_init(dev);

5284
	tx_pwr_state = nphy->txpwrctrl;
5285 5286
	b43_nphy_tx_power_ctrl(dev, false);
	b43_nphy_tx_power_fix(dev);
5287
	b43_nphy_tx_power_ctl_idle_tssi(dev);
5288
	b43_nphy_tx_power_ctl_setup(dev);
5289
	b43_nphy_tx_gain_table_upload(dev);
M
Michael Buesch 已提交
5290

5291
	if (nphy->phyrxchain != 3)
5292
		b43_nphy_set_rx_core_state(dev, nphy->phyrxchain);
5293 5294 5295 5296 5297 5298
	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)
5299
			do_rssi_cal = !nphy->rssical_chanspec_2G.center_freq;
5300
		else
5301
			do_rssi_cal = !nphy->rssical_chanspec_5G.center_freq;
5302 5303

		if (do_rssi_cal)
5304
			b43_nphy_rssi_cal(dev);
5305
		else
5306
			b43_nphy_restore_rssi_cal(dev);
5307
	} else {
5308
		b43_nphy_rssi_cal(dev);
5309 5310 5311 5312
	}

	if (!((nphy->measure_hold & 0x6) != 0)) {
		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
5313
			do_cal = !nphy->iqcal_chanspec_2G.center_freq;
5314
		else
5315
			do_cal = !nphy->iqcal_chanspec_5G.center_freq;
5316 5317 5318 5319 5320

		if (nphy->mute)
			do_cal = false;

		if (do_cal) {
5321
			target = b43_nphy_get_tx_gains(dev);
5322 5323

			if (nphy->antsel_type == 2)
5324
				b43_nphy_superswitch_init(dev, true);
5325
			if (nphy->perical != 2) {
5326
				b43_nphy_rssi_cal(dev);
5327 5328 5329 5330 5331 5332
				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 */
5333
					target = b43_nphy_get_tx_gains(dev);
5334
				}
5335 5336 5337 5338 5339 5340 5341
				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);
5342 5343 5344
		}
	}

5345
	b43_nphy_tx_pwr_ctrl_coef_setup(dev);
5346
	b43_nphy_tx_power_ctrl(dev, tx_pwr_state);
5347 5348 5349
	b43_phy_write(dev, B43_NPHY_TXMACIF_HOLDOFF, 0x0015);
	b43_phy_write(dev, B43_NPHY_TXMACDELAY, 0x0320);
	if (phy->rev >= 3 && phy->rev <= 6)
5350
		b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x0032);
5351
	b43_nphy_tx_lp_fbw(dev);
5352 5353
	if (phy->rev >= 3)
		b43_nphy_spur_workaround(dev);
M
Michael Buesch 已提交
5354

M
Michael Buesch 已提交
5355
	return 0;
5356
}
M
Michael Buesch 已提交
5357

5358 5359 5360 5361 5362 5363 5364 5365 5366 5367 5368 5369 5370 5371 5372
/**************************************************
 * 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);
}

5373 5374 5375
/* http://bcm-v4.sipsolutions.net/802.11/PmuSpurAvoid */
static void b43_nphy_pmu_spur_avoid(struct b43_wldev *dev, bool avoid)
{
5376 5377 5378
	switch (dev->dev->bus_type) {
#ifdef CONFIG_B43_BCMA
	case B43_BUS_BCMA:
5379 5380
		bcma_pmu_spuravoid_pllupdate(&dev->dev->bdev->bus->drv_cc,
					     avoid);
5381
		break;
5382
#endif
5383 5384
#ifdef CONFIG_B43_SSB
	case B43_BUS_SSB:
5385 5386
		ssb_pmu_spuravoid_pllupdate(&dev->dev->sdev->bus->chipco,
					    avoid);
5387 5388 5389
		break;
#endif
	}
5390 5391
}

5392
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ChanspecSetup */
5393
static void b43_nphy_channel_setup(struct b43_wldev *dev,
5394
				const struct b43_phy_n_sfo_cfg *e,
5395
				struct ieee80211_channel *new_channel)
5396 5397 5398
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_n *nphy = dev->phy.n;
5399
	int ch = new_channel->hw_value;
5400

5401
	u16 old_band_5ghz;
5402
	u16 tmp16;
5403

5404 5405 5406
	old_band_5ghz =
		b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ;
	if (new_channel->band == IEEE80211_BAND_5GHZ && !old_band_5ghz) {
5407 5408
		tmp16 = b43_read16(dev, B43_MMIO_PSM_PHY_HDR);
		b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16 | 4);
5409
		b43_phy_set(dev, B43_PHY_B_BBCFG, 0xC000);
5410
		b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16);
5411
		b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
5412
	} else if (new_channel->band == IEEE80211_BAND_2GHZ && old_band_5ghz) {
5413
		b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
5414 5415
		tmp16 = b43_read16(dev, B43_MMIO_PSM_PHY_HDR);
		b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16 | 4);
5416
		b43_phy_mask(dev, B43_PHY_B_BBCFG, 0x3FFF);
5417
		b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16);
5418 5419 5420 5421
	}

	b43_chantab_phy_upload(dev, e);

5422
	if (new_channel->hw_value == 14) {
5423 5424 5425 5426
		b43_nphy_classifier(dev, 2, 0);
		b43_phy_set(dev, B43_PHY_B_TEST, 0x0800);
	} else {
		b43_nphy_classifier(dev, 2, 2);
5427
		if (new_channel->band == IEEE80211_BAND_2GHZ)
5428 5429 5430
			b43_phy_mask(dev, B43_PHY_B_TEST, ~0x840);
	}

5431
	if (!nphy->txpwrctrl)
5432 5433 5434 5435 5436 5437 5438
		b43_nphy_tx_power_fix(dev);

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

	b43_nphy_tx_lp_fbw(dev);

5439 5440 5441 5442 5443 5444 5445 5446 5447 5448 5449 5450 5451 5452 5453 5454 5455 5456 5457 5458 5459 5460 5461 5462 5463 5464 5465 5466 5467 5468 5469 5470 5471 5472 5473
	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 */
5474 5475 5476 5477 5478 5479 5480 5481
	}

	b43_phy_write(dev, B43_NPHY_NDATAT_DUP40, 0x3830);

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

5482
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetChanspec */
5483 5484 5485
static int b43_nphy_set_channel(struct b43_wldev *dev,
				struct ieee80211_channel *channel,
				enum nl80211_channel_type channel_type)
5486
{
5487
	struct b43_phy *phy = &dev->phy;
5488

5489 5490
	const struct b43_nphy_channeltab_entry_rev2 *tabent_r2 = NULL;
	const struct b43_nphy_channeltab_entry_rev3 *tabent_r3 = NULL;
5491 5492 5493 5494

	u8 tmp;

	if (dev->phy.rev >= 3) {
5495 5496
		tabent_r3 = b43_nphy_get_chantabent_rev3(dev,
							channel->center_freq);
5497 5498
		if (!tabent_r3)
			return -ESRCH;
5499
	} else {
5500 5501
		tabent_r2 = b43_nphy_get_chantabent_rev2(dev,
							channel->hw_value);
5502
		if (!tabent_r2)
5503
			return -ESRCH;
5504 5505
	}

5506 5507 5508 5509
	/* 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;
5510

5511 5512 5513
	if (b43_channel_type_is_40mhz(phy->channel_type) !=
		b43_channel_type_is_40mhz(channel_type))
		; /* TODO: BMAC BW Set (channel_type) */
5514

5515 5516 5517 5518 5519 5520
	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);
5521 5522

	if (dev->phy.rev >= 3) {
5523
		tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 4 : 0;
5524
		b43_radio_maskset(dev, 0x08, 0xFFFB, tmp);
5525
		b43_radio_2056_setup(dev, tabent_r3);
5526
		b43_nphy_channel_setup(dev, &(tabent_r3->phy_regs), channel);
5527
	} else {
5528
		tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 0x0020 : 0x0050;
5529
		b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, tmp);
5530
		b43_radio_2055_setup(dev, tabent_r2);
5531
		b43_nphy_channel_setup(dev, &(tabent_r2->phy_regs), channel);
5532 5533 5534 5535 5536
	}

	return 0;
}

5537 5538 5539 5540
/**************************************************
 * Basic PHY ops.
 **************************************************/

M
Michael Buesch 已提交
5541 5542 5543 5544 5545 5546 5547 5548 5549 5550 5551 5552
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
5553
static void b43_nphy_op_prepare_structs(struct b43_wldev *dev)
M
Michael Buesch 已提交
5554
{
M
Michael Buesch 已提交
5555 5556
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_n *nphy = phy->n;
5557
	struct ssb_sprom *sprom = dev->dev->bus_sprom;
M
Michael Buesch 已提交
5558

M
Michael Buesch 已提交
5559
	memset(nphy, 0, sizeof(*nphy));
M
Michael Buesch 已提交
5560

5561
	nphy->hang_avoid = (phy->rev == 3 || phy->rev == 4);
5562 5563
	nphy->spur_avoid = (phy->rev >= 3) ?
				B43_SPUR_AVOID_AUTO : B43_SPUR_AVOID_DISABLE;
5564
	nphy->init_por = true;
R
Rafał Miłecki 已提交
5565 5566 5567
	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 */
5568
	nphy->perical = 2; /* avoid additional rssi cal on init (like wl) */
5569 5570 5571 5572
	/* 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;
5573 5574 5575 5576 5577 5578 5579 5580 5581 5582 5583 5584 5585 5586 5587 5588 5589 5590 5591 5592 5593 5594 5595 5596 5597 5598 5599 5600 5601 5602 5603 5604

	/* 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;
	}
R
Rafał Miłecki 已提交
5605 5606

	nphy->init_por = true;
M
Michael Buesch 已提交
5607 5608
}

M
Michael Buesch 已提交
5609
static void b43_nphy_op_free(struct b43_wldev *dev)
M
Michael Buesch 已提交
5610
{
M
Michael Buesch 已提交
5611 5612
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_n *nphy = phy->n;
M
Michael Buesch 已提交
5613 5614

	kfree(nphy);
M
Michael Buesch 已提交
5615 5616 5617 5618 5619 5620
	phy->n = NULL;
}

static int b43_nphy_op_init(struct b43_wldev *dev)
{
	return b43_phy_initn(dev);
M
Michael Buesch 已提交
5621 5622 5623 5624 5625 5626 5627 5628 5629 5630 5631 5632 5633 5634 5635 5636 5637 5638 5639 5640 5641 5642 5643 5644 5645 5646 5647 5648 5649 5650 5651 5652 5653 5654
}

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);
}

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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);
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}

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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);
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	if (dev->phy.rev >= 7)
		reg |= 0x200; /* Radio 0x2057 */
	else
		reg |= 0x100;
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	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);
}

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/* 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);
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		if (dev->phy.rev >= 7) {
			/* TODO */
		} else if (dev->phy.rev >= 3) {
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			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 {
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		if (dev->phy.rev >= 7) {
			b43_radio_2057_init(dev);
			b43_switch_channel(dev, dev->phy.channel);
		} else if (dev->phy.rev >= 3) {
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			b43_radio_init2056(dev);
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			b43_switch_channel(dev, dev->phy.channel);
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		} else {
			b43_radio_init2055(dev);
		}
	}
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}

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/* http://bcm-v4.sipsolutions.net/802.11/PHY/Anacore */
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static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on)
{
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	u16 override = on ? 0x0 : 0x7FFF;
	u16 core = on ? 0xD : 0x00FD;
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	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)
{
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	struct ieee80211_channel *channel = dev->wl->hw->conf.chandef.chan;
	enum nl80211_channel_type channel_type =
		cfg80211_get_chandef_type(&dev->wl->hw->conf.chandef);
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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;
	}

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	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,
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	.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,
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	.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,
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	.recalc_txpower		= b43_nphy_op_recalc_txpower,
	.adjust_txpower		= b43_nphy_op_adjust_txpower,
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};