xref: /OK3568_Linux_fs/kernel/drivers/net/wireless/broadcom/b43/phy_g.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun 
4*4882a593Smuzhiyun   Broadcom B43 wireless driver
5*4882a593Smuzhiyun   IEEE 802.11g PHY driver
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun   Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
8*4882a593Smuzhiyun   Copyright (c) 2005-2007 Stefano Brivio <stefano.brivio@polimi.it>
9*4882a593Smuzhiyun   Copyright (c) 2005-2008 Michael Buesch <m@bues.ch>
10*4882a593Smuzhiyun   Copyright (c) 2005, 2006 Danny van Dyk <kugelfang@gentoo.org>
11*4882a593Smuzhiyun   Copyright (c) 2005, 2006 Andreas Jaggi <andreas.jaggi@waterwave.ch>
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun */
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun #include "b43.h"
17*4882a593Smuzhiyun #include "phy_g.h"
18*4882a593Smuzhiyun #include "phy_common.h"
19*4882a593Smuzhiyun #include "lo.h"
20*4882a593Smuzhiyun #include "main.h"
21*4882a593Smuzhiyun #include "wa.h"
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun #include <linux/bitrev.h>
24*4882a593Smuzhiyun #include <linux/slab.h>
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun static const s8 b43_tssi2dbm_g_table[] = {
28*4882a593Smuzhiyun 	77, 77, 77, 76,
29*4882a593Smuzhiyun 	76, 76, 75, 75,
30*4882a593Smuzhiyun 	74, 74, 73, 73,
31*4882a593Smuzhiyun 	73, 72, 72, 71,
32*4882a593Smuzhiyun 	71, 70, 70, 69,
33*4882a593Smuzhiyun 	68, 68, 67, 67,
34*4882a593Smuzhiyun 	66, 65, 65, 64,
35*4882a593Smuzhiyun 	63, 63, 62, 61,
36*4882a593Smuzhiyun 	60, 59, 58, 57,
37*4882a593Smuzhiyun 	56, 55, 54, 53,
38*4882a593Smuzhiyun 	52, 50, 49, 47,
39*4882a593Smuzhiyun 	45, 43, 40, 37,
40*4882a593Smuzhiyun 	33, 28, 22, 14,
41*4882a593Smuzhiyun 	5, -7, -20, -20,
42*4882a593Smuzhiyun 	-20, -20, -20, -20,
43*4882a593Smuzhiyun 	-20, -20, -20, -20,
44*4882a593Smuzhiyun };
45*4882a593Smuzhiyun 
46*4882a593Smuzhiyun static const u8 b43_radio_channel_codes_bg[] = {
47*4882a593Smuzhiyun 	12, 17, 22, 27,
48*4882a593Smuzhiyun 	32, 37, 42, 47,
49*4882a593Smuzhiyun 	52, 57, 62, 67,
50*4882a593Smuzhiyun 	72, 84,
51*4882a593Smuzhiyun };
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun 
54*4882a593Smuzhiyun static void b43_calc_nrssi_threshold(struct b43_wldev *dev);
55*4882a593Smuzhiyun 
56*4882a593Smuzhiyun 
57*4882a593Smuzhiyun #define bitrev4(tmp) (bitrev8(tmp) >> 4)
58*4882a593Smuzhiyun 
59*4882a593Smuzhiyun 
60*4882a593Smuzhiyun /* Get the freq, as it has to be written to the device. */
channel2freq_bg(u8 channel)61*4882a593Smuzhiyun static inline u16 channel2freq_bg(u8 channel)
62*4882a593Smuzhiyun {
63*4882a593Smuzhiyun 	B43_WARN_ON(!(channel >= 1 && channel <= 14));
64*4882a593Smuzhiyun 
65*4882a593Smuzhiyun 	return b43_radio_channel_codes_bg[channel - 1];
66*4882a593Smuzhiyun }
67*4882a593Smuzhiyun 
generate_rfatt_list(struct b43_wldev * dev,struct b43_rfatt_list * list)68*4882a593Smuzhiyun static void generate_rfatt_list(struct b43_wldev *dev,
69*4882a593Smuzhiyun 				struct b43_rfatt_list *list)
70*4882a593Smuzhiyun {
71*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
72*4882a593Smuzhiyun 
73*4882a593Smuzhiyun 	/* APHY.rev < 5 || GPHY.rev < 6 */
74*4882a593Smuzhiyun 	static const struct b43_rfatt rfatt_0[] = {
75*4882a593Smuzhiyun 		{.att = 3,.with_padmix = 0,},
76*4882a593Smuzhiyun 		{.att = 1,.with_padmix = 0,},
77*4882a593Smuzhiyun 		{.att = 5,.with_padmix = 0,},
78*4882a593Smuzhiyun 		{.att = 7,.with_padmix = 0,},
79*4882a593Smuzhiyun 		{.att = 9,.with_padmix = 0,},
80*4882a593Smuzhiyun 		{.att = 2,.with_padmix = 0,},
81*4882a593Smuzhiyun 		{.att = 0,.with_padmix = 0,},
82*4882a593Smuzhiyun 		{.att = 4,.with_padmix = 0,},
83*4882a593Smuzhiyun 		{.att = 6,.with_padmix = 0,},
84*4882a593Smuzhiyun 		{.att = 8,.with_padmix = 0,},
85*4882a593Smuzhiyun 		{.att = 1,.with_padmix = 1,},
86*4882a593Smuzhiyun 		{.att = 2,.with_padmix = 1,},
87*4882a593Smuzhiyun 		{.att = 3,.with_padmix = 1,},
88*4882a593Smuzhiyun 		{.att = 4,.with_padmix = 1,},
89*4882a593Smuzhiyun 	};
90*4882a593Smuzhiyun 	/* Radio.rev == 8 && Radio.version == 0x2050 */
91*4882a593Smuzhiyun 	static const struct b43_rfatt rfatt_1[] = {
92*4882a593Smuzhiyun 		{.att = 2,.with_padmix = 1,},
93*4882a593Smuzhiyun 		{.att = 4,.with_padmix = 1,},
94*4882a593Smuzhiyun 		{.att = 6,.with_padmix = 1,},
95*4882a593Smuzhiyun 		{.att = 8,.with_padmix = 1,},
96*4882a593Smuzhiyun 		{.att = 10,.with_padmix = 1,},
97*4882a593Smuzhiyun 		{.att = 12,.with_padmix = 1,},
98*4882a593Smuzhiyun 		{.att = 14,.with_padmix = 1,},
99*4882a593Smuzhiyun 	};
100*4882a593Smuzhiyun 	/* Otherwise */
101*4882a593Smuzhiyun 	static const struct b43_rfatt rfatt_2[] = {
102*4882a593Smuzhiyun 		{.att = 0,.with_padmix = 1,},
103*4882a593Smuzhiyun 		{.att = 2,.with_padmix = 1,},
104*4882a593Smuzhiyun 		{.att = 4,.with_padmix = 1,},
105*4882a593Smuzhiyun 		{.att = 6,.with_padmix = 1,},
106*4882a593Smuzhiyun 		{.att = 8,.with_padmix = 1,},
107*4882a593Smuzhiyun 		{.att = 9,.with_padmix = 1,},
108*4882a593Smuzhiyun 		{.att = 9,.with_padmix = 1,},
109*4882a593Smuzhiyun 	};
110*4882a593Smuzhiyun 
111*4882a593Smuzhiyun 	if (!b43_has_hardware_pctl(dev)) {
112*4882a593Smuzhiyun 		/* Software pctl */
113*4882a593Smuzhiyun 		list->list = rfatt_0;
114*4882a593Smuzhiyun 		list->len = ARRAY_SIZE(rfatt_0);
115*4882a593Smuzhiyun 		list->min_val = 0;
116*4882a593Smuzhiyun 		list->max_val = 9;
117*4882a593Smuzhiyun 		return;
118*4882a593Smuzhiyun 	}
119*4882a593Smuzhiyun 	if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) {
120*4882a593Smuzhiyun 		/* Hardware pctl */
121*4882a593Smuzhiyun 		list->list = rfatt_1;
122*4882a593Smuzhiyun 		list->len = ARRAY_SIZE(rfatt_1);
123*4882a593Smuzhiyun 		list->min_val = 0;
124*4882a593Smuzhiyun 		list->max_val = 14;
125*4882a593Smuzhiyun 		return;
126*4882a593Smuzhiyun 	}
127*4882a593Smuzhiyun 	/* Hardware pctl */
128*4882a593Smuzhiyun 	list->list = rfatt_2;
129*4882a593Smuzhiyun 	list->len = ARRAY_SIZE(rfatt_2);
130*4882a593Smuzhiyun 	list->min_val = 0;
131*4882a593Smuzhiyun 	list->max_val = 9;
132*4882a593Smuzhiyun }
133*4882a593Smuzhiyun 
generate_bbatt_list(struct b43_wldev * dev,struct b43_bbatt_list * list)134*4882a593Smuzhiyun static void generate_bbatt_list(struct b43_wldev *dev,
135*4882a593Smuzhiyun 				struct b43_bbatt_list *list)
136*4882a593Smuzhiyun {
137*4882a593Smuzhiyun 	static const struct b43_bbatt bbatt_0[] = {
138*4882a593Smuzhiyun 		{.att = 0,},
139*4882a593Smuzhiyun 		{.att = 1,},
140*4882a593Smuzhiyun 		{.att = 2,},
141*4882a593Smuzhiyun 		{.att = 3,},
142*4882a593Smuzhiyun 		{.att = 4,},
143*4882a593Smuzhiyun 		{.att = 5,},
144*4882a593Smuzhiyun 		{.att = 6,},
145*4882a593Smuzhiyun 		{.att = 7,},
146*4882a593Smuzhiyun 		{.att = 8,},
147*4882a593Smuzhiyun 	};
148*4882a593Smuzhiyun 
149*4882a593Smuzhiyun 	list->list = bbatt_0;
150*4882a593Smuzhiyun 	list->len = ARRAY_SIZE(bbatt_0);
151*4882a593Smuzhiyun 	list->min_val = 0;
152*4882a593Smuzhiyun 	list->max_val = 8;
153*4882a593Smuzhiyun }
154*4882a593Smuzhiyun 
b43_shm_clear_tssi(struct b43_wldev * dev)155*4882a593Smuzhiyun static void b43_shm_clear_tssi(struct b43_wldev *dev)
156*4882a593Smuzhiyun {
157*4882a593Smuzhiyun 	b43_shm_write16(dev, B43_SHM_SHARED, 0x0058, 0x7F7F);
158*4882a593Smuzhiyun 	b43_shm_write16(dev, B43_SHM_SHARED, 0x005a, 0x7F7F);
159*4882a593Smuzhiyun 	b43_shm_write16(dev, B43_SHM_SHARED, 0x0070, 0x7F7F);
160*4882a593Smuzhiyun 	b43_shm_write16(dev, B43_SHM_SHARED, 0x0072, 0x7F7F);
161*4882a593Smuzhiyun }
162*4882a593Smuzhiyun 
163*4882a593Smuzhiyun /* Synthetic PU workaround */
b43_synth_pu_workaround(struct b43_wldev * dev,u8 channel)164*4882a593Smuzhiyun static void b43_synth_pu_workaround(struct b43_wldev *dev, u8 channel)
165*4882a593Smuzhiyun {
166*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
167*4882a593Smuzhiyun 
168*4882a593Smuzhiyun 	might_sleep();
169*4882a593Smuzhiyun 
170*4882a593Smuzhiyun 	if (phy->radio_ver != 0x2050 || phy->radio_rev >= 6) {
171*4882a593Smuzhiyun 		/* We do not need the workaround. */
172*4882a593Smuzhiyun 		return;
173*4882a593Smuzhiyun 	}
174*4882a593Smuzhiyun 
175*4882a593Smuzhiyun 	if (channel <= 10) {
176*4882a593Smuzhiyun 		b43_write16(dev, B43_MMIO_CHANNEL,
177*4882a593Smuzhiyun 			    channel2freq_bg(channel + 4));
178*4882a593Smuzhiyun 	} else {
179*4882a593Smuzhiyun 		b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(1));
180*4882a593Smuzhiyun 	}
181*4882a593Smuzhiyun 	msleep(1);
182*4882a593Smuzhiyun 	b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(channel));
183*4882a593Smuzhiyun }
184*4882a593Smuzhiyun 
185*4882a593Smuzhiyun /* Set the baseband attenuation value on chip. */
b43_gphy_set_baseband_attenuation(struct b43_wldev * dev,u16 baseband_attenuation)186*4882a593Smuzhiyun void b43_gphy_set_baseband_attenuation(struct b43_wldev *dev,
187*4882a593Smuzhiyun 				       u16 baseband_attenuation)
188*4882a593Smuzhiyun {
189*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
190*4882a593Smuzhiyun 
191*4882a593Smuzhiyun 	if (phy->analog == 0) {
192*4882a593Smuzhiyun 		b43_write16(dev, B43_MMIO_PHY0, (b43_read16(dev, B43_MMIO_PHY0)
193*4882a593Smuzhiyun 						 & 0xFFF0) |
194*4882a593Smuzhiyun 			    baseband_attenuation);
195*4882a593Smuzhiyun 	} else if (phy->analog > 1) {
196*4882a593Smuzhiyun 		b43_phy_maskset(dev, B43_PHY_DACCTL, 0xFFC3, (baseband_attenuation << 2));
197*4882a593Smuzhiyun 	} else {
198*4882a593Smuzhiyun 		b43_phy_maskset(dev, B43_PHY_DACCTL, 0xFF87, (baseband_attenuation << 3));
199*4882a593Smuzhiyun 	}
200*4882a593Smuzhiyun }
201*4882a593Smuzhiyun 
202*4882a593Smuzhiyun /* Adjust the transmission power output (G-PHY) */
b43_set_txpower_g(struct b43_wldev * dev,const struct b43_bbatt * bbatt,const struct b43_rfatt * rfatt,u8 tx_control)203*4882a593Smuzhiyun static void b43_set_txpower_g(struct b43_wldev *dev,
204*4882a593Smuzhiyun 			      const struct b43_bbatt *bbatt,
205*4882a593Smuzhiyun 			      const struct b43_rfatt *rfatt, u8 tx_control)
206*4882a593Smuzhiyun {
207*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
208*4882a593Smuzhiyun 	struct b43_phy_g *gphy = phy->g;
209*4882a593Smuzhiyun 	struct b43_txpower_lo_control *lo = gphy->lo_control;
210*4882a593Smuzhiyun 	u16 bb, rf;
211*4882a593Smuzhiyun 	u16 tx_bias, tx_magn;
212*4882a593Smuzhiyun 
213*4882a593Smuzhiyun 	bb = bbatt->att;
214*4882a593Smuzhiyun 	rf = rfatt->att;
215*4882a593Smuzhiyun 	tx_bias = lo->tx_bias;
216*4882a593Smuzhiyun 	tx_magn = lo->tx_magn;
217*4882a593Smuzhiyun 	if (unlikely(tx_bias == 0xFF))
218*4882a593Smuzhiyun 		tx_bias = 0;
219*4882a593Smuzhiyun 
220*4882a593Smuzhiyun 	/* Save the values for later. Use memmove, because it's valid
221*4882a593Smuzhiyun 	 * to pass &gphy->rfatt as rfatt pointer argument. Same for bbatt. */
222*4882a593Smuzhiyun 	gphy->tx_control = tx_control;
223*4882a593Smuzhiyun 	memmove(&gphy->rfatt, rfatt, sizeof(*rfatt));
224*4882a593Smuzhiyun 	gphy->rfatt.with_padmix = !!(tx_control & B43_TXCTL_TXMIX);
225*4882a593Smuzhiyun 	memmove(&gphy->bbatt, bbatt, sizeof(*bbatt));
226*4882a593Smuzhiyun 
227*4882a593Smuzhiyun 	if (b43_debug(dev, B43_DBG_XMITPOWER)) {
228*4882a593Smuzhiyun 		b43dbg(dev->wl, "Tuning TX-power to bbatt(%u), "
229*4882a593Smuzhiyun 		       "rfatt(%u), tx_control(0x%02X), "
230*4882a593Smuzhiyun 		       "tx_bias(0x%02X), tx_magn(0x%02X)\n",
231*4882a593Smuzhiyun 		       bb, rf, tx_control, tx_bias, tx_magn);
232*4882a593Smuzhiyun 	}
233*4882a593Smuzhiyun 
234*4882a593Smuzhiyun 	b43_gphy_set_baseband_attenuation(dev, bb);
235*4882a593Smuzhiyun 	b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_RFATT, rf);
236*4882a593Smuzhiyun 	if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) {
237*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x43,
238*4882a593Smuzhiyun 				  (rf & 0x000F) | (tx_control & 0x0070));
239*4882a593Smuzhiyun 	} else {
240*4882a593Smuzhiyun 		b43_radio_maskset(dev, 0x43, 0xFFF0, (rf & 0x000F));
241*4882a593Smuzhiyun 		b43_radio_maskset(dev, 0x52, ~0x0070, (tx_control & 0x0070));
242*4882a593Smuzhiyun 	}
243*4882a593Smuzhiyun 	if (has_tx_magnification(phy)) {
244*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x52, tx_magn | tx_bias);
245*4882a593Smuzhiyun 	} else {
246*4882a593Smuzhiyun 		b43_radio_maskset(dev, 0x52, 0xFFF0, (tx_bias & 0x000F));
247*4882a593Smuzhiyun 	}
248*4882a593Smuzhiyun 	b43_lo_g_adjust(dev);
249*4882a593Smuzhiyun }
250*4882a593Smuzhiyun 
251*4882a593Smuzhiyun /* GPHY_TSSI_Power_Lookup_Table_Init */
b43_gphy_tssi_power_lt_init(struct b43_wldev * dev)252*4882a593Smuzhiyun static void b43_gphy_tssi_power_lt_init(struct b43_wldev *dev)
253*4882a593Smuzhiyun {
254*4882a593Smuzhiyun 	struct b43_phy_g *gphy = dev->phy.g;
255*4882a593Smuzhiyun 	int i;
256*4882a593Smuzhiyun 	u16 value;
257*4882a593Smuzhiyun 
258*4882a593Smuzhiyun 	for (i = 0; i < 32; i++)
259*4882a593Smuzhiyun 		b43_ofdmtab_write16(dev, 0x3C20, i, gphy->tssi2dbm[i]);
260*4882a593Smuzhiyun 	for (i = 32; i < 64; i++)
261*4882a593Smuzhiyun 		b43_ofdmtab_write16(dev, 0x3C00, i - 32, gphy->tssi2dbm[i]);
262*4882a593Smuzhiyun 	for (i = 0; i < 64; i += 2) {
263*4882a593Smuzhiyun 		value = (u16) gphy->tssi2dbm[i];
264*4882a593Smuzhiyun 		value |= ((u16) gphy->tssi2dbm[i + 1]) << 8;
265*4882a593Smuzhiyun 		b43_phy_write(dev, 0x380 + (i / 2), value);
266*4882a593Smuzhiyun 	}
267*4882a593Smuzhiyun }
268*4882a593Smuzhiyun 
269*4882a593Smuzhiyun /* GPHY_Gain_Lookup_Table_Init */
b43_gphy_gain_lt_init(struct b43_wldev * dev)270*4882a593Smuzhiyun static void b43_gphy_gain_lt_init(struct b43_wldev *dev)
271*4882a593Smuzhiyun {
272*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
273*4882a593Smuzhiyun 	struct b43_phy_g *gphy = phy->g;
274*4882a593Smuzhiyun 	struct b43_txpower_lo_control *lo = gphy->lo_control;
275*4882a593Smuzhiyun 	u16 nr_written = 0;
276*4882a593Smuzhiyun 	u16 tmp;
277*4882a593Smuzhiyun 	u8 rf, bb;
278*4882a593Smuzhiyun 
279*4882a593Smuzhiyun 	for (rf = 0; rf < lo->rfatt_list.len; rf++) {
280*4882a593Smuzhiyun 		for (bb = 0; bb < lo->bbatt_list.len; bb++) {
281*4882a593Smuzhiyun 			if (nr_written >= 0x40)
282*4882a593Smuzhiyun 				return;
283*4882a593Smuzhiyun 			tmp = lo->bbatt_list.list[bb].att;
284*4882a593Smuzhiyun 			tmp <<= 8;
285*4882a593Smuzhiyun 			if (phy->radio_rev == 8)
286*4882a593Smuzhiyun 				tmp |= 0x50;
287*4882a593Smuzhiyun 			else
288*4882a593Smuzhiyun 				tmp |= 0x40;
289*4882a593Smuzhiyun 			tmp |= lo->rfatt_list.list[rf].att;
290*4882a593Smuzhiyun 			b43_phy_write(dev, 0x3C0 + nr_written, tmp);
291*4882a593Smuzhiyun 			nr_written++;
292*4882a593Smuzhiyun 		}
293*4882a593Smuzhiyun 	}
294*4882a593Smuzhiyun }
295*4882a593Smuzhiyun 
b43_set_all_gains(struct b43_wldev * dev,s16 first,s16 second,s16 third)296*4882a593Smuzhiyun static void b43_set_all_gains(struct b43_wldev *dev,
297*4882a593Smuzhiyun 			      s16 first, s16 second, s16 third)
298*4882a593Smuzhiyun {
299*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
300*4882a593Smuzhiyun 	u16 i;
301*4882a593Smuzhiyun 	u16 start = 0x08, end = 0x18;
302*4882a593Smuzhiyun 	u16 tmp;
303*4882a593Smuzhiyun 	u16 table;
304*4882a593Smuzhiyun 
305*4882a593Smuzhiyun 	if (phy->rev <= 1) {
306*4882a593Smuzhiyun 		start = 0x10;
307*4882a593Smuzhiyun 		end = 0x20;
308*4882a593Smuzhiyun 	}
309*4882a593Smuzhiyun 
310*4882a593Smuzhiyun 	table = B43_OFDMTAB_GAINX;
311*4882a593Smuzhiyun 	if (phy->rev <= 1)
312*4882a593Smuzhiyun 		table = B43_OFDMTAB_GAINX_R1;
313*4882a593Smuzhiyun 	for (i = 0; i < 4; i++)
314*4882a593Smuzhiyun 		b43_ofdmtab_write16(dev, table, i, first);
315*4882a593Smuzhiyun 
316*4882a593Smuzhiyun 	for (i = start; i < end; i++)
317*4882a593Smuzhiyun 		b43_ofdmtab_write16(dev, table, i, second);
318*4882a593Smuzhiyun 
319*4882a593Smuzhiyun 	if (third != -1) {
320*4882a593Smuzhiyun 		tmp = ((u16) third << 14) | ((u16) third << 6);
321*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x04A0, 0xBFBF, tmp);
322*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x04A1, 0xBFBF, tmp);
323*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x04A2, 0xBFBF, tmp);
324*4882a593Smuzhiyun 	}
325*4882a593Smuzhiyun 	b43_dummy_transmission(dev, false, true);
326*4882a593Smuzhiyun }
327*4882a593Smuzhiyun 
b43_set_original_gains(struct b43_wldev * dev)328*4882a593Smuzhiyun static void b43_set_original_gains(struct b43_wldev *dev)
329*4882a593Smuzhiyun {
330*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
331*4882a593Smuzhiyun 	u16 i, tmp;
332*4882a593Smuzhiyun 	u16 table;
333*4882a593Smuzhiyun 	u16 start = 0x0008, end = 0x0018;
334*4882a593Smuzhiyun 
335*4882a593Smuzhiyun 	if (phy->rev <= 1) {
336*4882a593Smuzhiyun 		start = 0x0010;
337*4882a593Smuzhiyun 		end = 0x0020;
338*4882a593Smuzhiyun 	}
339*4882a593Smuzhiyun 
340*4882a593Smuzhiyun 	table = B43_OFDMTAB_GAINX;
341*4882a593Smuzhiyun 	if (phy->rev <= 1)
342*4882a593Smuzhiyun 		table = B43_OFDMTAB_GAINX_R1;
343*4882a593Smuzhiyun 	for (i = 0; i < 4; i++) {
344*4882a593Smuzhiyun 		tmp = (i & 0xFFFC);
345*4882a593Smuzhiyun 		tmp |= (i & 0x0001) << 1;
346*4882a593Smuzhiyun 		tmp |= (i & 0x0002) >> 1;
347*4882a593Smuzhiyun 
348*4882a593Smuzhiyun 		b43_ofdmtab_write16(dev, table, i, tmp);
349*4882a593Smuzhiyun 	}
350*4882a593Smuzhiyun 
351*4882a593Smuzhiyun 	for (i = start; i < end; i++)
352*4882a593Smuzhiyun 		b43_ofdmtab_write16(dev, table, i, i - start);
353*4882a593Smuzhiyun 
354*4882a593Smuzhiyun 	b43_phy_maskset(dev, 0x04A0, 0xBFBF, 0x4040);
355*4882a593Smuzhiyun 	b43_phy_maskset(dev, 0x04A1, 0xBFBF, 0x4040);
356*4882a593Smuzhiyun 	b43_phy_maskset(dev, 0x04A2, 0xBFBF, 0x4000);
357*4882a593Smuzhiyun 	b43_dummy_transmission(dev, false, true);
358*4882a593Smuzhiyun }
359*4882a593Smuzhiyun 
360*4882a593Smuzhiyun /* https://bcm-specs.sipsolutions.net/NRSSILookupTable */
b43_nrssi_hw_write(struct b43_wldev * dev,u16 offset,s16 val)361*4882a593Smuzhiyun static void b43_nrssi_hw_write(struct b43_wldev *dev, u16 offset, s16 val)
362*4882a593Smuzhiyun {
363*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_NRSSILT_CTRL, offset);
364*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_NRSSILT_DATA, (u16) val);
365*4882a593Smuzhiyun }
366*4882a593Smuzhiyun 
367*4882a593Smuzhiyun /* https://bcm-specs.sipsolutions.net/NRSSILookupTable */
b43_nrssi_hw_read(struct b43_wldev * dev,u16 offset)368*4882a593Smuzhiyun static s16 b43_nrssi_hw_read(struct b43_wldev *dev, u16 offset)
369*4882a593Smuzhiyun {
370*4882a593Smuzhiyun 	u16 val;
371*4882a593Smuzhiyun 
372*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_NRSSILT_CTRL, offset);
373*4882a593Smuzhiyun 	val = b43_phy_read(dev, B43_PHY_NRSSILT_DATA);
374*4882a593Smuzhiyun 
375*4882a593Smuzhiyun 	return (s16) val;
376*4882a593Smuzhiyun }
377*4882a593Smuzhiyun 
378*4882a593Smuzhiyun /* https://bcm-specs.sipsolutions.net/NRSSILookupTable */
b43_nrssi_hw_update(struct b43_wldev * dev,u16 val)379*4882a593Smuzhiyun static void b43_nrssi_hw_update(struct b43_wldev *dev, u16 val)
380*4882a593Smuzhiyun {
381*4882a593Smuzhiyun 	u16 i;
382*4882a593Smuzhiyun 	s16 tmp;
383*4882a593Smuzhiyun 
384*4882a593Smuzhiyun 	for (i = 0; i < 64; i++) {
385*4882a593Smuzhiyun 		tmp = b43_nrssi_hw_read(dev, i);
386*4882a593Smuzhiyun 		tmp -= val;
387*4882a593Smuzhiyun 		tmp = clamp_val(tmp, -32, 31);
388*4882a593Smuzhiyun 		b43_nrssi_hw_write(dev, i, tmp);
389*4882a593Smuzhiyun 	}
390*4882a593Smuzhiyun }
391*4882a593Smuzhiyun 
392*4882a593Smuzhiyun /* https://bcm-specs.sipsolutions.net/NRSSILookupTable */
b43_nrssi_mem_update(struct b43_wldev * dev)393*4882a593Smuzhiyun static void b43_nrssi_mem_update(struct b43_wldev *dev)
394*4882a593Smuzhiyun {
395*4882a593Smuzhiyun 	struct b43_phy_g *gphy = dev->phy.g;
396*4882a593Smuzhiyun 	s16 i, delta;
397*4882a593Smuzhiyun 	s32 tmp;
398*4882a593Smuzhiyun 
399*4882a593Smuzhiyun 	delta = 0x1F - gphy->nrssi[0];
400*4882a593Smuzhiyun 	for (i = 0; i < 64; i++) {
401*4882a593Smuzhiyun 		tmp = (i - delta) * gphy->nrssislope;
402*4882a593Smuzhiyun 		tmp /= 0x10000;
403*4882a593Smuzhiyun 		tmp += 0x3A;
404*4882a593Smuzhiyun 		tmp = clamp_val(tmp, 0, 0x3F);
405*4882a593Smuzhiyun 		gphy->nrssi_lt[i] = tmp;
406*4882a593Smuzhiyun 	}
407*4882a593Smuzhiyun }
408*4882a593Smuzhiyun 
b43_calc_nrssi_offset(struct b43_wldev * dev)409*4882a593Smuzhiyun static void b43_calc_nrssi_offset(struct b43_wldev *dev)
410*4882a593Smuzhiyun {
411*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
412*4882a593Smuzhiyun 	u16 backup[20] = { 0 };
413*4882a593Smuzhiyun 	s16 v47F;
414*4882a593Smuzhiyun 	u16 i;
415*4882a593Smuzhiyun 	u16 saved = 0xFFFF;
416*4882a593Smuzhiyun 
417*4882a593Smuzhiyun 	backup[0] = b43_phy_read(dev, 0x0001);
418*4882a593Smuzhiyun 	backup[1] = b43_phy_read(dev, 0x0811);
419*4882a593Smuzhiyun 	backup[2] = b43_phy_read(dev, 0x0812);
420*4882a593Smuzhiyun 	if (phy->rev != 1) {	/* Not in specs, but needed to prevent PPC machine check */
421*4882a593Smuzhiyun 		backup[3] = b43_phy_read(dev, 0x0814);
422*4882a593Smuzhiyun 		backup[4] = b43_phy_read(dev, 0x0815);
423*4882a593Smuzhiyun 	}
424*4882a593Smuzhiyun 	backup[5] = b43_phy_read(dev, 0x005A);
425*4882a593Smuzhiyun 	backup[6] = b43_phy_read(dev, 0x0059);
426*4882a593Smuzhiyun 	backup[7] = b43_phy_read(dev, 0x0058);
427*4882a593Smuzhiyun 	backup[8] = b43_phy_read(dev, 0x000A);
428*4882a593Smuzhiyun 	backup[9] = b43_phy_read(dev, 0x0003);
429*4882a593Smuzhiyun 	backup[10] = b43_radio_read16(dev, 0x007A);
430*4882a593Smuzhiyun 	backup[11] = b43_radio_read16(dev, 0x0043);
431*4882a593Smuzhiyun 
432*4882a593Smuzhiyun 	b43_phy_mask(dev, 0x0429, 0x7FFF);
433*4882a593Smuzhiyun 	b43_phy_maskset(dev, 0x0001, 0x3FFF, 0x4000);
434*4882a593Smuzhiyun 	b43_phy_set(dev, 0x0811, 0x000C);
435*4882a593Smuzhiyun 	b43_phy_maskset(dev, 0x0812, 0xFFF3, 0x0004);
436*4882a593Smuzhiyun 	b43_phy_mask(dev, 0x0802, ~(0x1 | 0x2));
437*4882a593Smuzhiyun 	if (phy->rev >= 6) {
438*4882a593Smuzhiyun 		backup[12] = b43_phy_read(dev, 0x002E);
439*4882a593Smuzhiyun 		backup[13] = b43_phy_read(dev, 0x002F);
440*4882a593Smuzhiyun 		backup[14] = b43_phy_read(dev, 0x080F);
441*4882a593Smuzhiyun 		backup[15] = b43_phy_read(dev, 0x0810);
442*4882a593Smuzhiyun 		backup[16] = b43_phy_read(dev, 0x0801);
443*4882a593Smuzhiyun 		backup[17] = b43_phy_read(dev, 0x0060);
444*4882a593Smuzhiyun 		backup[18] = b43_phy_read(dev, 0x0014);
445*4882a593Smuzhiyun 		backup[19] = b43_phy_read(dev, 0x0478);
446*4882a593Smuzhiyun 
447*4882a593Smuzhiyun 		b43_phy_write(dev, 0x002E, 0);
448*4882a593Smuzhiyun 		b43_phy_write(dev, 0x002F, 0);
449*4882a593Smuzhiyun 		b43_phy_write(dev, 0x080F, 0);
450*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0810, 0);
451*4882a593Smuzhiyun 		b43_phy_set(dev, 0x0478, 0x0100);
452*4882a593Smuzhiyun 		b43_phy_set(dev, 0x0801, 0x0040);
453*4882a593Smuzhiyun 		b43_phy_set(dev, 0x0060, 0x0040);
454*4882a593Smuzhiyun 		b43_phy_set(dev, 0x0014, 0x0200);
455*4882a593Smuzhiyun 	}
456*4882a593Smuzhiyun 	b43_radio_set(dev, 0x007A, 0x0070);
457*4882a593Smuzhiyun 	b43_radio_set(dev, 0x007A, 0x0080);
458*4882a593Smuzhiyun 	udelay(30);
459*4882a593Smuzhiyun 
460*4882a593Smuzhiyun 	v47F = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
461*4882a593Smuzhiyun 	if (v47F >= 0x20)
462*4882a593Smuzhiyun 		v47F -= 0x40;
463*4882a593Smuzhiyun 	if (v47F == 31) {
464*4882a593Smuzhiyun 		for (i = 7; i >= 4; i--) {
465*4882a593Smuzhiyun 			b43_radio_write16(dev, 0x007B, i);
466*4882a593Smuzhiyun 			udelay(20);
467*4882a593Smuzhiyun 			v47F =
468*4882a593Smuzhiyun 			    (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
469*4882a593Smuzhiyun 			if (v47F >= 0x20)
470*4882a593Smuzhiyun 				v47F -= 0x40;
471*4882a593Smuzhiyun 			if (v47F < 31 && saved == 0xFFFF)
472*4882a593Smuzhiyun 				saved = i;
473*4882a593Smuzhiyun 		}
474*4882a593Smuzhiyun 		if (saved == 0xFFFF)
475*4882a593Smuzhiyun 			saved = 4;
476*4882a593Smuzhiyun 	} else {
477*4882a593Smuzhiyun 		b43_radio_mask(dev, 0x007A, 0x007F);
478*4882a593Smuzhiyun 		if (phy->rev != 1) {	/* Not in specs, but needed to prevent PPC machine check */
479*4882a593Smuzhiyun 			b43_phy_set(dev, 0x0814, 0x0001);
480*4882a593Smuzhiyun 			b43_phy_mask(dev, 0x0815, 0xFFFE);
481*4882a593Smuzhiyun 		}
482*4882a593Smuzhiyun 		b43_phy_set(dev, 0x0811, 0x000C);
483*4882a593Smuzhiyun 		b43_phy_set(dev, 0x0812, 0x000C);
484*4882a593Smuzhiyun 		b43_phy_set(dev, 0x0811, 0x0030);
485*4882a593Smuzhiyun 		b43_phy_set(dev, 0x0812, 0x0030);
486*4882a593Smuzhiyun 		b43_phy_write(dev, 0x005A, 0x0480);
487*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0059, 0x0810);
488*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0058, 0x000D);
489*4882a593Smuzhiyun 		if (phy->rev == 0) {
490*4882a593Smuzhiyun 			b43_phy_write(dev, 0x0003, 0x0122);
491*4882a593Smuzhiyun 		} else {
492*4882a593Smuzhiyun 			b43_phy_set(dev, 0x000A, 0x2000);
493*4882a593Smuzhiyun 		}
494*4882a593Smuzhiyun 		if (phy->rev != 1) {	/* Not in specs, but needed to prevent PPC machine check */
495*4882a593Smuzhiyun 			b43_phy_set(dev, 0x0814, 0x0004);
496*4882a593Smuzhiyun 			b43_phy_mask(dev, 0x0815, 0xFFFB);
497*4882a593Smuzhiyun 		}
498*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x0003, 0xFF9F, 0x0040);
499*4882a593Smuzhiyun 		b43_radio_set(dev, 0x007A, 0x000F);
500*4882a593Smuzhiyun 		b43_set_all_gains(dev, 3, 0, 1);
501*4882a593Smuzhiyun 		b43_radio_maskset(dev, 0x0043, 0x00F0, 0x000F);
502*4882a593Smuzhiyun 		udelay(30);
503*4882a593Smuzhiyun 		v47F = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
504*4882a593Smuzhiyun 		if (v47F >= 0x20)
505*4882a593Smuzhiyun 			v47F -= 0x40;
506*4882a593Smuzhiyun 		if (v47F == -32) {
507*4882a593Smuzhiyun 			for (i = 0; i < 4; i++) {
508*4882a593Smuzhiyun 				b43_radio_write16(dev, 0x007B, i);
509*4882a593Smuzhiyun 				udelay(20);
510*4882a593Smuzhiyun 				v47F =
511*4882a593Smuzhiyun 				    (s16) ((b43_phy_read(dev, 0x047F) >> 8) &
512*4882a593Smuzhiyun 					   0x003F);
513*4882a593Smuzhiyun 				if (v47F >= 0x20)
514*4882a593Smuzhiyun 					v47F -= 0x40;
515*4882a593Smuzhiyun 				if (v47F > -31 && saved == 0xFFFF)
516*4882a593Smuzhiyun 					saved = i;
517*4882a593Smuzhiyun 			}
518*4882a593Smuzhiyun 			if (saved == 0xFFFF)
519*4882a593Smuzhiyun 				saved = 3;
520*4882a593Smuzhiyun 		} else
521*4882a593Smuzhiyun 			saved = 0;
522*4882a593Smuzhiyun 	}
523*4882a593Smuzhiyun 	b43_radio_write16(dev, 0x007B, saved);
524*4882a593Smuzhiyun 
525*4882a593Smuzhiyun 	if (phy->rev >= 6) {
526*4882a593Smuzhiyun 		b43_phy_write(dev, 0x002E, backup[12]);
527*4882a593Smuzhiyun 		b43_phy_write(dev, 0x002F, backup[13]);
528*4882a593Smuzhiyun 		b43_phy_write(dev, 0x080F, backup[14]);
529*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0810, backup[15]);
530*4882a593Smuzhiyun 	}
531*4882a593Smuzhiyun 	if (phy->rev != 1) {	/* Not in specs, but needed to prevent PPC machine check */
532*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0814, backup[3]);
533*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0815, backup[4]);
534*4882a593Smuzhiyun 	}
535*4882a593Smuzhiyun 	b43_phy_write(dev, 0x005A, backup[5]);
536*4882a593Smuzhiyun 	b43_phy_write(dev, 0x0059, backup[6]);
537*4882a593Smuzhiyun 	b43_phy_write(dev, 0x0058, backup[7]);
538*4882a593Smuzhiyun 	b43_phy_write(dev, 0x000A, backup[8]);
539*4882a593Smuzhiyun 	b43_phy_write(dev, 0x0003, backup[9]);
540*4882a593Smuzhiyun 	b43_radio_write16(dev, 0x0043, backup[11]);
541*4882a593Smuzhiyun 	b43_radio_write16(dev, 0x007A, backup[10]);
542*4882a593Smuzhiyun 	b43_phy_write(dev, 0x0802, b43_phy_read(dev, 0x0802) | 0x1 | 0x2);
543*4882a593Smuzhiyun 	b43_phy_set(dev, 0x0429, 0x8000);
544*4882a593Smuzhiyun 	b43_set_original_gains(dev);
545*4882a593Smuzhiyun 	if (phy->rev >= 6) {
546*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0801, backup[16]);
547*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0060, backup[17]);
548*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0014, backup[18]);
549*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0478, backup[19]);
550*4882a593Smuzhiyun 	}
551*4882a593Smuzhiyun 	b43_phy_write(dev, 0x0001, backup[0]);
552*4882a593Smuzhiyun 	b43_phy_write(dev, 0x0812, backup[2]);
553*4882a593Smuzhiyun 	b43_phy_write(dev, 0x0811, backup[1]);
554*4882a593Smuzhiyun }
555*4882a593Smuzhiyun 
b43_calc_nrssi_slope(struct b43_wldev * dev)556*4882a593Smuzhiyun static void b43_calc_nrssi_slope(struct b43_wldev *dev)
557*4882a593Smuzhiyun {
558*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
559*4882a593Smuzhiyun 	struct b43_phy_g *gphy = phy->g;
560*4882a593Smuzhiyun 	u16 backup[18] = { 0 };
561*4882a593Smuzhiyun 	u16 tmp;
562*4882a593Smuzhiyun 	s16 nrssi0, nrssi1;
563*4882a593Smuzhiyun 
564*4882a593Smuzhiyun 	B43_WARN_ON(phy->type != B43_PHYTYPE_G);
565*4882a593Smuzhiyun 
566*4882a593Smuzhiyun 	if (phy->radio_rev >= 9)
567*4882a593Smuzhiyun 		return;
568*4882a593Smuzhiyun 	if (phy->radio_rev == 8)
569*4882a593Smuzhiyun 		b43_calc_nrssi_offset(dev);
570*4882a593Smuzhiyun 
571*4882a593Smuzhiyun 	b43_phy_mask(dev, B43_PHY_G_CRS, 0x7FFF);
572*4882a593Smuzhiyun 	b43_phy_mask(dev, 0x0802, 0xFFFC);
573*4882a593Smuzhiyun 	backup[7] = b43_read16(dev, 0x03E2);
574*4882a593Smuzhiyun 	b43_write16(dev, 0x03E2, b43_read16(dev, 0x03E2) | 0x8000);
575*4882a593Smuzhiyun 	backup[0] = b43_radio_read16(dev, 0x007A);
576*4882a593Smuzhiyun 	backup[1] = b43_radio_read16(dev, 0x0052);
577*4882a593Smuzhiyun 	backup[2] = b43_radio_read16(dev, 0x0043);
578*4882a593Smuzhiyun 	backup[3] = b43_phy_read(dev, 0x0015);
579*4882a593Smuzhiyun 	backup[4] = b43_phy_read(dev, 0x005A);
580*4882a593Smuzhiyun 	backup[5] = b43_phy_read(dev, 0x0059);
581*4882a593Smuzhiyun 	backup[6] = b43_phy_read(dev, 0x0058);
582*4882a593Smuzhiyun 	backup[8] = b43_read16(dev, 0x03E6);
583*4882a593Smuzhiyun 	backup[9] = b43_read16(dev, B43_MMIO_CHANNEL_EXT);
584*4882a593Smuzhiyun 	if (phy->rev >= 3) {
585*4882a593Smuzhiyun 		backup[10] = b43_phy_read(dev, 0x002E);
586*4882a593Smuzhiyun 		backup[11] = b43_phy_read(dev, 0x002F);
587*4882a593Smuzhiyun 		backup[12] = b43_phy_read(dev, 0x080F);
588*4882a593Smuzhiyun 		backup[13] = b43_phy_read(dev, B43_PHY_G_LO_CONTROL);
589*4882a593Smuzhiyun 		backup[14] = b43_phy_read(dev, 0x0801);
590*4882a593Smuzhiyun 		backup[15] = b43_phy_read(dev, 0x0060);
591*4882a593Smuzhiyun 		backup[16] = b43_phy_read(dev, 0x0014);
592*4882a593Smuzhiyun 		backup[17] = b43_phy_read(dev, 0x0478);
593*4882a593Smuzhiyun 		b43_phy_write(dev, 0x002E, 0);
594*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_G_LO_CONTROL, 0);
595*4882a593Smuzhiyun 		switch (phy->rev) {
596*4882a593Smuzhiyun 		case 4:
597*4882a593Smuzhiyun 		case 6:
598*4882a593Smuzhiyun 		case 7:
599*4882a593Smuzhiyun 			b43_phy_set(dev, 0x0478, 0x0100);
600*4882a593Smuzhiyun 			b43_phy_set(dev, 0x0801, 0x0040);
601*4882a593Smuzhiyun 			break;
602*4882a593Smuzhiyun 		case 3:
603*4882a593Smuzhiyun 		case 5:
604*4882a593Smuzhiyun 			b43_phy_mask(dev, 0x0801, 0xFFBF);
605*4882a593Smuzhiyun 			break;
606*4882a593Smuzhiyun 		}
607*4882a593Smuzhiyun 		b43_phy_set(dev, 0x0060, 0x0040);
608*4882a593Smuzhiyun 		b43_phy_set(dev, 0x0014, 0x0200);
609*4882a593Smuzhiyun 	}
610*4882a593Smuzhiyun 	b43_radio_set(dev, 0x007A, 0x0070);
611*4882a593Smuzhiyun 	b43_set_all_gains(dev, 0, 8, 0);
612*4882a593Smuzhiyun 	b43_radio_mask(dev, 0x007A, 0x00F7);
613*4882a593Smuzhiyun 	if (phy->rev >= 2) {
614*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x0811, 0xFFCF, 0x0030);
615*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x0812, 0xFFCF, 0x0010);
616*4882a593Smuzhiyun 	}
617*4882a593Smuzhiyun 	b43_radio_set(dev, 0x007A, 0x0080);
618*4882a593Smuzhiyun 	udelay(20);
619*4882a593Smuzhiyun 
620*4882a593Smuzhiyun 	nrssi0 = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
621*4882a593Smuzhiyun 	if (nrssi0 >= 0x0020)
622*4882a593Smuzhiyun 		nrssi0 -= 0x0040;
623*4882a593Smuzhiyun 
624*4882a593Smuzhiyun 	b43_radio_mask(dev, 0x007A, 0x007F);
625*4882a593Smuzhiyun 	if (phy->rev >= 2) {
626*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x0003, 0xFF9F, 0x0040);
627*4882a593Smuzhiyun 	}
628*4882a593Smuzhiyun 
629*4882a593Smuzhiyun 	b43_write16(dev, B43_MMIO_CHANNEL_EXT,
630*4882a593Smuzhiyun 		    b43_read16(dev, B43_MMIO_CHANNEL_EXT)
631*4882a593Smuzhiyun 		    | 0x2000);
632*4882a593Smuzhiyun 	b43_radio_set(dev, 0x007A, 0x000F);
633*4882a593Smuzhiyun 	b43_phy_write(dev, 0x0015, 0xF330);
634*4882a593Smuzhiyun 	if (phy->rev >= 2) {
635*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x0812, 0xFFCF, 0x0020);
636*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x0811, 0xFFCF, 0x0020);
637*4882a593Smuzhiyun 	}
638*4882a593Smuzhiyun 
639*4882a593Smuzhiyun 	b43_set_all_gains(dev, 3, 0, 1);
640*4882a593Smuzhiyun 	if (phy->radio_rev == 8) {
641*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x0043, 0x001F);
642*4882a593Smuzhiyun 	} else {
643*4882a593Smuzhiyun 		tmp = b43_radio_read16(dev, 0x0052) & 0xFF0F;
644*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x0052, tmp | 0x0060);
645*4882a593Smuzhiyun 		tmp = b43_radio_read16(dev, 0x0043) & 0xFFF0;
646*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x0043, tmp | 0x0009);
647*4882a593Smuzhiyun 	}
648*4882a593Smuzhiyun 	b43_phy_write(dev, 0x005A, 0x0480);
649*4882a593Smuzhiyun 	b43_phy_write(dev, 0x0059, 0x0810);
650*4882a593Smuzhiyun 	b43_phy_write(dev, 0x0058, 0x000D);
651*4882a593Smuzhiyun 	udelay(20);
652*4882a593Smuzhiyun 	nrssi1 = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
653*4882a593Smuzhiyun 	if (nrssi1 >= 0x0020)
654*4882a593Smuzhiyun 		nrssi1 -= 0x0040;
655*4882a593Smuzhiyun 	if (nrssi0 == nrssi1)
656*4882a593Smuzhiyun 		gphy->nrssislope = 0x00010000;
657*4882a593Smuzhiyun 	else
658*4882a593Smuzhiyun 		gphy->nrssislope = 0x00400000 / (nrssi0 - nrssi1);
659*4882a593Smuzhiyun 	if (nrssi0 >= -4) {
660*4882a593Smuzhiyun 		gphy->nrssi[0] = nrssi1;
661*4882a593Smuzhiyun 		gphy->nrssi[1] = nrssi0;
662*4882a593Smuzhiyun 	}
663*4882a593Smuzhiyun 	if (phy->rev >= 3) {
664*4882a593Smuzhiyun 		b43_phy_write(dev, 0x002E, backup[10]);
665*4882a593Smuzhiyun 		b43_phy_write(dev, 0x002F, backup[11]);
666*4882a593Smuzhiyun 		b43_phy_write(dev, 0x080F, backup[12]);
667*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_G_LO_CONTROL, backup[13]);
668*4882a593Smuzhiyun 	}
669*4882a593Smuzhiyun 	if (phy->rev >= 2) {
670*4882a593Smuzhiyun 		b43_phy_mask(dev, 0x0812, 0xFFCF);
671*4882a593Smuzhiyun 		b43_phy_mask(dev, 0x0811, 0xFFCF);
672*4882a593Smuzhiyun 	}
673*4882a593Smuzhiyun 
674*4882a593Smuzhiyun 	b43_radio_write16(dev, 0x007A, backup[0]);
675*4882a593Smuzhiyun 	b43_radio_write16(dev, 0x0052, backup[1]);
676*4882a593Smuzhiyun 	b43_radio_write16(dev, 0x0043, backup[2]);
677*4882a593Smuzhiyun 	b43_write16(dev, 0x03E2, backup[7]);
678*4882a593Smuzhiyun 	b43_write16(dev, 0x03E6, backup[8]);
679*4882a593Smuzhiyun 	b43_write16(dev, B43_MMIO_CHANNEL_EXT, backup[9]);
680*4882a593Smuzhiyun 	b43_phy_write(dev, 0x0015, backup[3]);
681*4882a593Smuzhiyun 	b43_phy_write(dev, 0x005A, backup[4]);
682*4882a593Smuzhiyun 	b43_phy_write(dev, 0x0059, backup[5]);
683*4882a593Smuzhiyun 	b43_phy_write(dev, 0x0058, backup[6]);
684*4882a593Smuzhiyun 	b43_synth_pu_workaround(dev, phy->channel);
685*4882a593Smuzhiyun 	b43_phy_set(dev, 0x0802, (0x0001 | 0x0002));
686*4882a593Smuzhiyun 	b43_set_original_gains(dev);
687*4882a593Smuzhiyun 	b43_phy_set(dev, B43_PHY_G_CRS, 0x8000);
688*4882a593Smuzhiyun 	if (phy->rev >= 3) {
689*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0801, backup[14]);
690*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0060, backup[15]);
691*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0014, backup[16]);
692*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0478, backup[17]);
693*4882a593Smuzhiyun 	}
694*4882a593Smuzhiyun 	b43_nrssi_mem_update(dev);
695*4882a593Smuzhiyun 	b43_calc_nrssi_threshold(dev);
696*4882a593Smuzhiyun }
697*4882a593Smuzhiyun 
b43_calc_nrssi_threshold(struct b43_wldev * dev)698*4882a593Smuzhiyun static void b43_calc_nrssi_threshold(struct b43_wldev *dev)
699*4882a593Smuzhiyun {
700*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
701*4882a593Smuzhiyun 	struct b43_phy_g *gphy = phy->g;
702*4882a593Smuzhiyun 	s32 a, b;
703*4882a593Smuzhiyun 	s16 tmp16;
704*4882a593Smuzhiyun 	u16 tmp_u16;
705*4882a593Smuzhiyun 
706*4882a593Smuzhiyun 	B43_WARN_ON(phy->type != B43_PHYTYPE_G);
707*4882a593Smuzhiyun 
708*4882a593Smuzhiyun 	if (!phy->gmode ||
709*4882a593Smuzhiyun 	    !(dev->dev->bus_sprom->boardflags_lo & B43_BFL_RSSI)) {
710*4882a593Smuzhiyun 		tmp16 = b43_nrssi_hw_read(dev, 0x20);
711*4882a593Smuzhiyun 		if (tmp16 >= 0x20)
712*4882a593Smuzhiyun 			tmp16 -= 0x40;
713*4882a593Smuzhiyun 		if (tmp16 < 3) {
714*4882a593Smuzhiyun 			b43_phy_maskset(dev, 0x048A, 0xF000, 0x09EB);
715*4882a593Smuzhiyun 		} else {
716*4882a593Smuzhiyun 			b43_phy_maskset(dev, 0x048A, 0xF000, 0x0AED);
717*4882a593Smuzhiyun 		}
718*4882a593Smuzhiyun 	} else {
719*4882a593Smuzhiyun 		if (gphy->interfmode == B43_INTERFMODE_NONWLAN) {
720*4882a593Smuzhiyun 			a = 0xE;
721*4882a593Smuzhiyun 			b = 0xA;
722*4882a593Smuzhiyun 		} else if (!gphy->aci_wlan_automatic && gphy->aci_enable) {
723*4882a593Smuzhiyun 			a = 0x13;
724*4882a593Smuzhiyun 			b = 0x12;
725*4882a593Smuzhiyun 		} else {
726*4882a593Smuzhiyun 			a = 0xE;
727*4882a593Smuzhiyun 			b = 0x11;
728*4882a593Smuzhiyun 		}
729*4882a593Smuzhiyun 
730*4882a593Smuzhiyun 		a = a * (gphy->nrssi[1] - gphy->nrssi[0]);
731*4882a593Smuzhiyun 		a += (gphy->nrssi[0] << 6);
732*4882a593Smuzhiyun 		if (a < 32)
733*4882a593Smuzhiyun 			a += 31;
734*4882a593Smuzhiyun 		else
735*4882a593Smuzhiyun 			a += 32;
736*4882a593Smuzhiyun 		a = a >> 6;
737*4882a593Smuzhiyun 		a = clamp_val(a, -31, 31);
738*4882a593Smuzhiyun 
739*4882a593Smuzhiyun 		b = b * (gphy->nrssi[1] - gphy->nrssi[0]);
740*4882a593Smuzhiyun 		b += (gphy->nrssi[0] << 6);
741*4882a593Smuzhiyun 		if (b < 32)
742*4882a593Smuzhiyun 			b += 31;
743*4882a593Smuzhiyun 		else
744*4882a593Smuzhiyun 			b += 32;
745*4882a593Smuzhiyun 		b = b >> 6;
746*4882a593Smuzhiyun 		b = clamp_val(b, -31, 31);
747*4882a593Smuzhiyun 
748*4882a593Smuzhiyun 		tmp_u16 = b43_phy_read(dev, 0x048A) & 0xF000;
749*4882a593Smuzhiyun 		tmp_u16 |= ((u32) b & 0x0000003F);
750*4882a593Smuzhiyun 		tmp_u16 |= (((u32) a & 0x0000003F) << 6);
751*4882a593Smuzhiyun 		b43_phy_write(dev, 0x048A, tmp_u16);
752*4882a593Smuzhiyun 	}
753*4882a593Smuzhiyun }
754*4882a593Smuzhiyun 
755*4882a593Smuzhiyun /* Stack implementation to save/restore values from the
756*4882a593Smuzhiyun  * interference mitigation code.
757*4882a593Smuzhiyun  * It is save to restore values in random order.
758*4882a593Smuzhiyun  */
_stack_save(u32 * _stackptr,size_t * stackidx,u8 id,u16 offset,u16 value)759*4882a593Smuzhiyun static void _stack_save(u32 *_stackptr, size_t *stackidx,
760*4882a593Smuzhiyun 			u8 id, u16 offset, u16 value)
761*4882a593Smuzhiyun {
762*4882a593Smuzhiyun 	u32 *stackptr = &(_stackptr[*stackidx]);
763*4882a593Smuzhiyun 
764*4882a593Smuzhiyun 	B43_WARN_ON(offset & 0xF000);
765*4882a593Smuzhiyun 	B43_WARN_ON(id & 0xF0);
766*4882a593Smuzhiyun 	*stackptr = offset;
767*4882a593Smuzhiyun 	*stackptr |= ((u32) id) << 12;
768*4882a593Smuzhiyun 	*stackptr |= ((u32) value) << 16;
769*4882a593Smuzhiyun 	(*stackidx)++;
770*4882a593Smuzhiyun 	B43_WARN_ON(*stackidx >= B43_INTERFSTACK_SIZE);
771*4882a593Smuzhiyun }
772*4882a593Smuzhiyun 
_stack_restore(u32 * stackptr,u8 id,u16 offset)773*4882a593Smuzhiyun static u16 _stack_restore(u32 *stackptr, u8 id, u16 offset)
774*4882a593Smuzhiyun {
775*4882a593Smuzhiyun 	size_t i;
776*4882a593Smuzhiyun 
777*4882a593Smuzhiyun 	B43_WARN_ON(offset & 0xF000);
778*4882a593Smuzhiyun 	B43_WARN_ON(id & 0xF0);
779*4882a593Smuzhiyun 	for (i = 0; i < B43_INTERFSTACK_SIZE; i++, stackptr++) {
780*4882a593Smuzhiyun 		if ((*stackptr & 0x00000FFF) != offset)
781*4882a593Smuzhiyun 			continue;
782*4882a593Smuzhiyun 		if (((*stackptr & 0x0000F000) >> 12) != id)
783*4882a593Smuzhiyun 			continue;
784*4882a593Smuzhiyun 		return ((*stackptr & 0xFFFF0000) >> 16);
785*4882a593Smuzhiyun 	}
786*4882a593Smuzhiyun 	B43_WARN_ON(1);
787*4882a593Smuzhiyun 
788*4882a593Smuzhiyun 	return 0;
789*4882a593Smuzhiyun }
790*4882a593Smuzhiyun 
791*4882a593Smuzhiyun #define phy_stacksave(offset)					\
792*4882a593Smuzhiyun 	do {							\
793*4882a593Smuzhiyun 		_stack_save(stack, &stackidx, 0x1, (offset),	\
794*4882a593Smuzhiyun 			    b43_phy_read(dev, (offset)));	\
795*4882a593Smuzhiyun 	} while (0)
796*4882a593Smuzhiyun #define phy_stackrestore(offset)				\
797*4882a593Smuzhiyun 	do {							\
798*4882a593Smuzhiyun 		b43_phy_write(dev, (offset),		\
799*4882a593Smuzhiyun 				  _stack_restore(stack, 0x1,	\
800*4882a593Smuzhiyun 						 (offset)));	\
801*4882a593Smuzhiyun 	} while (0)
802*4882a593Smuzhiyun #define radio_stacksave(offset)						\
803*4882a593Smuzhiyun 	do {								\
804*4882a593Smuzhiyun 		_stack_save(stack, &stackidx, 0x2, (offset),		\
805*4882a593Smuzhiyun 			    b43_radio_read16(dev, (offset)));	\
806*4882a593Smuzhiyun 	} while (0)
807*4882a593Smuzhiyun #define radio_stackrestore(offset)					\
808*4882a593Smuzhiyun 	do {								\
809*4882a593Smuzhiyun 		b43_radio_write16(dev, (offset),			\
810*4882a593Smuzhiyun 				      _stack_restore(stack, 0x2,	\
811*4882a593Smuzhiyun 						     (offset)));	\
812*4882a593Smuzhiyun 	} while (0)
813*4882a593Smuzhiyun #define ofdmtab_stacksave(table, offset)			\
814*4882a593Smuzhiyun 	do {							\
815*4882a593Smuzhiyun 		_stack_save(stack, &stackidx, 0x3, (offset)|(table),	\
816*4882a593Smuzhiyun 			    b43_ofdmtab_read16(dev, (table), (offset)));	\
817*4882a593Smuzhiyun 	} while (0)
818*4882a593Smuzhiyun #define ofdmtab_stackrestore(table, offset)			\
819*4882a593Smuzhiyun 	do {							\
820*4882a593Smuzhiyun 		b43_ofdmtab_write16(dev, (table),	(offset),	\
821*4882a593Smuzhiyun 				  _stack_restore(stack, 0x3,	\
822*4882a593Smuzhiyun 						 (offset)|(table)));	\
823*4882a593Smuzhiyun 	} while (0)
824*4882a593Smuzhiyun 
825*4882a593Smuzhiyun static void
b43_radio_interference_mitigation_enable(struct b43_wldev * dev,int mode)826*4882a593Smuzhiyun b43_radio_interference_mitigation_enable(struct b43_wldev *dev, int mode)
827*4882a593Smuzhiyun {
828*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
829*4882a593Smuzhiyun 	struct b43_phy_g *gphy = phy->g;
830*4882a593Smuzhiyun 	u16 tmp, flipped;
831*4882a593Smuzhiyun 	size_t stackidx = 0;
832*4882a593Smuzhiyun 	u32 *stack = gphy->interfstack;
833*4882a593Smuzhiyun 
834*4882a593Smuzhiyun 	switch (mode) {
835*4882a593Smuzhiyun 	case B43_INTERFMODE_NONWLAN:
836*4882a593Smuzhiyun 		if (phy->rev != 1) {
837*4882a593Smuzhiyun 			b43_phy_set(dev, 0x042B, 0x0800);
838*4882a593Smuzhiyun 			b43_phy_mask(dev, B43_PHY_G_CRS, ~0x4000);
839*4882a593Smuzhiyun 			break;
840*4882a593Smuzhiyun 		}
841*4882a593Smuzhiyun 		radio_stacksave(0x0078);
842*4882a593Smuzhiyun 		tmp = (b43_radio_read16(dev, 0x0078) & 0x001E);
843*4882a593Smuzhiyun 		B43_WARN_ON(tmp > 15);
844*4882a593Smuzhiyun 		flipped = bitrev4(tmp);
845*4882a593Smuzhiyun 		if (flipped < 10 && flipped >= 8)
846*4882a593Smuzhiyun 			flipped = 7;
847*4882a593Smuzhiyun 		else if (flipped >= 10)
848*4882a593Smuzhiyun 			flipped -= 3;
849*4882a593Smuzhiyun 		flipped = (bitrev4(flipped) << 1) | 0x0020;
850*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x0078, flipped);
851*4882a593Smuzhiyun 
852*4882a593Smuzhiyun 		b43_calc_nrssi_threshold(dev);
853*4882a593Smuzhiyun 
854*4882a593Smuzhiyun 		phy_stacksave(0x0406);
855*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0406, 0x7E28);
856*4882a593Smuzhiyun 
857*4882a593Smuzhiyun 		b43_phy_set(dev, 0x042B, 0x0800);
858*4882a593Smuzhiyun 		b43_phy_set(dev, B43_PHY_RADIO_BITFIELD, 0x1000);
859*4882a593Smuzhiyun 
860*4882a593Smuzhiyun 		phy_stacksave(0x04A0);
861*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x04A0, 0xC0C0, 0x0008);
862*4882a593Smuzhiyun 		phy_stacksave(0x04A1);
863*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x04A1, 0xC0C0, 0x0605);
864*4882a593Smuzhiyun 		phy_stacksave(0x04A2);
865*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x04A2, 0xC0C0, 0x0204);
866*4882a593Smuzhiyun 		phy_stacksave(0x04A8);
867*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x04A8, 0xC0C0, 0x0803);
868*4882a593Smuzhiyun 		phy_stacksave(0x04AB);
869*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x04AB, 0xC0C0, 0x0605);
870*4882a593Smuzhiyun 
871*4882a593Smuzhiyun 		phy_stacksave(0x04A7);
872*4882a593Smuzhiyun 		b43_phy_write(dev, 0x04A7, 0x0002);
873*4882a593Smuzhiyun 		phy_stacksave(0x04A3);
874*4882a593Smuzhiyun 		b43_phy_write(dev, 0x04A3, 0x287A);
875*4882a593Smuzhiyun 		phy_stacksave(0x04A9);
876*4882a593Smuzhiyun 		b43_phy_write(dev, 0x04A9, 0x2027);
877*4882a593Smuzhiyun 		phy_stacksave(0x0493);
878*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0493, 0x32F5);
879*4882a593Smuzhiyun 		phy_stacksave(0x04AA);
880*4882a593Smuzhiyun 		b43_phy_write(dev, 0x04AA, 0x2027);
881*4882a593Smuzhiyun 		phy_stacksave(0x04AC);
882*4882a593Smuzhiyun 		b43_phy_write(dev, 0x04AC, 0x32F5);
883*4882a593Smuzhiyun 		break;
884*4882a593Smuzhiyun 	case B43_INTERFMODE_MANUALWLAN:
885*4882a593Smuzhiyun 		if (b43_phy_read(dev, 0x0033) & 0x0800)
886*4882a593Smuzhiyun 			break;
887*4882a593Smuzhiyun 
888*4882a593Smuzhiyun 		gphy->aci_enable = true;
889*4882a593Smuzhiyun 
890*4882a593Smuzhiyun 		phy_stacksave(B43_PHY_RADIO_BITFIELD);
891*4882a593Smuzhiyun 		phy_stacksave(B43_PHY_G_CRS);
892*4882a593Smuzhiyun 		if (phy->rev < 2) {
893*4882a593Smuzhiyun 			phy_stacksave(0x0406);
894*4882a593Smuzhiyun 		} else {
895*4882a593Smuzhiyun 			phy_stacksave(0x04C0);
896*4882a593Smuzhiyun 			phy_stacksave(0x04C1);
897*4882a593Smuzhiyun 		}
898*4882a593Smuzhiyun 		phy_stacksave(0x0033);
899*4882a593Smuzhiyun 		phy_stacksave(0x04A7);
900*4882a593Smuzhiyun 		phy_stacksave(0x04A3);
901*4882a593Smuzhiyun 		phy_stacksave(0x04A9);
902*4882a593Smuzhiyun 		phy_stacksave(0x04AA);
903*4882a593Smuzhiyun 		phy_stacksave(0x04AC);
904*4882a593Smuzhiyun 		phy_stacksave(0x0493);
905*4882a593Smuzhiyun 		phy_stacksave(0x04A1);
906*4882a593Smuzhiyun 		phy_stacksave(0x04A0);
907*4882a593Smuzhiyun 		phy_stacksave(0x04A2);
908*4882a593Smuzhiyun 		phy_stacksave(0x048A);
909*4882a593Smuzhiyun 		phy_stacksave(0x04A8);
910*4882a593Smuzhiyun 		phy_stacksave(0x04AB);
911*4882a593Smuzhiyun 		if (phy->rev == 2) {
912*4882a593Smuzhiyun 			phy_stacksave(0x04AD);
913*4882a593Smuzhiyun 			phy_stacksave(0x04AE);
914*4882a593Smuzhiyun 		} else if (phy->rev >= 3) {
915*4882a593Smuzhiyun 			phy_stacksave(0x04AD);
916*4882a593Smuzhiyun 			phy_stacksave(0x0415);
917*4882a593Smuzhiyun 			phy_stacksave(0x0416);
918*4882a593Smuzhiyun 			phy_stacksave(0x0417);
919*4882a593Smuzhiyun 			ofdmtab_stacksave(0x1A00, 0x2);
920*4882a593Smuzhiyun 			ofdmtab_stacksave(0x1A00, 0x3);
921*4882a593Smuzhiyun 		}
922*4882a593Smuzhiyun 		phy_stacksave(0x042B);
923*4882a593Smuzhiyun 		phy_stacksave(0x048C);
924*4882a593Smuzhiyun 
925*4882a593Smuzhiyun 		b43_phy_mask(dev, B43_PHY_RADIO_BITFIELD, ~0x1000);
926*4882a593Smuzhiyun 		b43_phy_maskset(dev, B43_PHY_G_CRS, 0xFFFC, 0x0002);
927*4882a593Smuzhiyun 
928*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0033, 0x0800);
929*4882a593Smuzhiyun 		b43_phy_write(dev, 0x04A3, 0x2027);
930*4882a593Smuzhiyun 		b43_phy_write(dev, 0x04A9, 0x1CA8);
931*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0493, 0x287A);
932*4882a593Smuzhiyun 		b43_phy_write(dev, 0x04AA, 0x1CA8);
933*4882a593Smuzhiyun 		b43_phy_write(dev, 0x04AC, 0x287A);
934*4882a593Smuzhiyun 
935*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x04A0, 0xFFC0, 0x001A);
936*4882a593Smuzhiyun 		b43_phy_write(dev, 0x04A7, 0x000D);
937*4882a593Smuzhiyun 
938*4882a593Smuzhiyun 		if (phy->rev < 2) {
939*4882a593Smuzhiyun 			b43_phy_write(dev, 0x0406, 0xFF0D);
940*4882a593Smuzhiyun 		} else if (phy->rev == 2) {
941*4882a593Smuzhiyun 			b43_phy_write(dev, 0x04C0, 0xFFFF);
942*4882a593Smuzhiyun 			b43_phy_write(dev, 0x04C1, 0x00A9);
943*4882a593Smuzhiyun 		} else {
944*4882a593Smuzhiyun 			b43_phy_write(dev, 0x04C0, 0x00C1);
945*4882a593Smuzhiyun 			b43_phy_write(dev, 0x04C1, 0x0059);
946*4882a593Smuzhiyun 		}
947*4882a593Smuzhiyun 
948*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x04A1, 0xC0FF, 0x1800);
949*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x04A1, 0xFFC0, 0x0015);
950*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x04A8, 0xCFFF, 0x1000);
951*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x04A8, 0xF0FF, 0x0A00);
952*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x04AB, 0xCFFF, 0x1000);
953*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x04AB, 0xF0FF, 0x0800);
954*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x04AB, 0xFFCF, 0x0010);
955*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x04AB, 0xFFF0, 0x0005);
956*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x04A8, 0xFFCF, 0x0010);
957*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x04A8, 0xFFF0, 0x0006);
958*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x04A2, 0xF0FF, 0x0800);
959*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x04A0, 0xF0FF, 0x0500);
960*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x04A2, 0xFFF0, 0x000B);
961*4882a593Smuzhiyun 
962*4882a593Smuzhiyun 		if (phy->rev >= 3) {
963*4882a593Smuzhiyun 			b43_phy_mask(dev, 0x048A, 0x7FFF);
964*4882a593Smuzhiyun 			b43_phy_maskset(dev, 0x0415, 0x8000, 0x36D8);
965*4882a593Smuzhiyun 			b43_phy_maskset(dev, 0x0416, 0x8000, 0x36D8);
966*4882a593Smuzhiyun 			b43_phy_maskset(dev, 0x0417, 0xFE00, 0x016D);
967*4882a593Smuzhiyun 		} else {
968*4882a593Smuzhiyun 			b43_phy_set(dev, 0x048A, 0x1000);
969*4882a593Smuzhiyun 			b43_phy_maskset(dev, 0x048A, 0x9FFF, 0x2000);
970*4882a593Smuzhiyun 			b43_hf_write(dev, b43_hf_read(dev) | B43_HF_ACIW);
971*4882a593Smuzhiyun 		}
972*4882a593Smuzhiyun 		if (phy->rev >= 2) {
973*4882a593Smuzhiyun 			b43_phy_set(dev, 0x042B, 0x0800);
974*4882a593Smuzhiyun 		}
975*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x048C, 0xF0FF, 0x0200);
976*4882a593Smuzhiyun 		if (phy->rev == 2) {
977*4882a593Smuzhiyun 			b43_phy_maskset(dev, 0x04AE, 0xFF00, 0x007F);
978*4882a593Smuzhiyun 			b43_phy_maskset(dev, 0x04AD, 0x00FF, 0x1300);
979*4882a593Smuzhiyun 		} else if (phy->rev >= 6) {
980*4882a593Smuzhiyun 			b43_ofdmtab_write16(dev, 0x1A00, 0x3, 0x007F);
981*4882a593Smuzhiyun 			b43_ofdmtab_write16(dev, 0x1A00, 0x2, 0x007F);
982*4882a593Smuzhiyun 			b43_phy_mask(dev, 0x04AD, 0x00FF);
983*4882a593Smuzhiyun 		}
984*4882a593Smuzhiyun 		b43_calc_nrssi_slope(dev);
985*4882a593Smuzhiyun 		break;
986*4882a593Smuzhiyun 	default:
987*4882a593Smuzhiyun 		B43_WARN_ON(1);
988*4882a593Smuzhiyun 	}
989*4882a593Smuzhiyun }
990*4882a593Smuzhiyun 
991*4882a593Smuzhiyun static void
b43_radio_interference_mitigation_disable(struct b43_wldev * dev,int mode)992*4882a593Smuzhiyun b43_radio_interference_mitigation_disable(struct b43_wldev *dev, int mode)
993*4882a593Smuzhiyun {
994*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
995*4882a593Smuzhiyun 	struct b43_phy_g *gphy = phy->g;
996*4882a593Smuzhiyun 	u32 *stack = gphy->interfstack;
997*4882a593Smuzhiyun 
998*4882a593Smuzhiyun 	switch (mode) {
999*4882a593Smuzhiyun 	case B43_INTERFMODE_NONWLAN:
1000*4882a593Smuzhiyun 		if (phy->rev != 1) {
1001*4882a593Smuzhiyun 			b43_phy_mask(dev, 0x042B, ~0x0800);
1002*4882a593Smuzhiyun 			b43_phy_set(dev, B43_PHY_G_CRS, 0x4000);
1003*4882a593Smuzhiyun 			break;
1004*4882a593Smuzhiyun 		}
1005*4882a593Smuzhiyun 		radio_stackrestore(0x0078);
1006*4882a593Smuzhiyun 		b43_calc_nrssi_threshold(dev);
1007*4882a593Smuzhiyun 		phy_stackrestore(0x0406);
1008*4882a593Smuzhiyun 		b43_phy_mask(dev, 0x042B, ~0x0800);
1009*4882a593Smuzhiyun 		if (!dev->bad_frames_preempt) {
1010*4882a593Smuzhiyun 			b43_phy_mask(dev, B43_PHY_RADIO_BITFIELD, ~(1 << 11));
1011*4882a593Smuzhiyun 		}
1012*4882a593Smuzhiyun 		b43_phy_set(dev, B43_PHY_G_CRS, 0x4000);
1013*4882a593Smuzhiyun 		phy_stackrestore(0x04A0);
1014*4882a593Smuzhiyun 		phy_stackrestore(0x04A1);
1015*4882a593Smuzhiyun 		phy_stackrestore(0x04A2);
1016*4882a593Smuzhiyun 		phy_stackrestore(0x04A8);
1017*4882a593Smuzhiyun 		phy_stackrestore(0x04AB);
1018*4882a593Smuzhiyun 		phy_stackrestore(0x04A7);
1019*4882a593Smuzhiyun 		phy_stackrestore(0x04A3);
1020*4882a593Smuzhiyun 		phy_stackrestore(0x04A9);
1021*4882a593Smuzhiyun 		phy_stackrestore(0x0493);
1022*4882a593Smuzhiyun 		phy_stackrestore(0x04AA);
1023*4882a593Smuzhiyun 		phy_stackrestore(0x04AC);
1024*4882a593Smuzhiyun 		break;
1025*4882a593Smuzhiyun 	case B43_INTERFMODE_MANUALWLAN:
1026*4882a593Smuzhiyun 		if (!(b43_phy_read(dev, 0x0033) & 0x0800))
1027*4882a593Smuzhiyun 			break;
1028*4882a593Smuzhiyun 
1029*4882a593Smuzhiyun 		gphy->aci_enable = false;
1030*4882a593Smuzhiyun 
1031*4882a593Smuzhiyun 		phy_stackrestore(B43_PHY_RADIO_BITFIELD);
1032*4882a593Smuzhiyun 		phy_stackrestore(B43_PHY_G_CRS);
1033*4882a593Smuzhiyun 		phy_stackrestore(0x0033);
1034*4882a593Smuzhiyun 		phy_stackrestore(0x04A3);
1035*4882a593Smuzhiyun 		phy_stackrestore(0x04A9);
1036*4882a593Smuzhiyun 		phy_stackrestore(0x0493);
1037*4882a593Smuzhiyun 		phy_stackrestore(0x04AA);
1038*4882a593Smuzhiyun 		phy_stackrestore(0x04AC);
1039*4882a593Smuzhiyun 		phy_stackrestore(0x04A0);
1040*4882a593Smuzhiyun 		phy_stackrestore(0x04A7);
1041*4882a593Smuzhiyun 		if (phy->rev >= 2) {
1042*4882a593Smuzhiyun 			phy_stackrestore(0x04C0);
1043*4882a593Smuzhiyun 			phy_stackrestore(0x04C1);
1044*4882a593Smuzhiyun 		} else
1045*4882a593Smuzhiyun 			phy_stackrestore(0x0406);
1046*4882a593Smuzhiyun 		phy_stackrestore(0x04A1);
1047*4882a593Smuzhiyun 		phy_stackrestore(0x04AB);
1048*4882a593Smuzhiyun 		phy_stackrestore(0x04A8);
1049*4882a593Smuzhiyun 		if (phy->rev == 2) {
1050*4882a593Smuzhiyun 			phy_stackrestore(0x04AD);
1051*4882a593Smuzhiyun 			phy_stackrestore(0x04AE);
1052*4882a593Smuzhiyun 		} else if (phy->rev >= 3) {
1053*4882a593Smuzhiyun 			phy_stackrestore(0x04AD);
1054*4882a593Smuzhiyun 			phy_stackrestore(0x0415);
1055*4882a593Smuzhiyun 			phy_stackrestore(0x0416);
1056*4882a593Smuzhiyun 			phy_stackrestore(0x0417);
1057*4882a593Smuzhiyun 			ofdmtab_stackrestore(0x1A00, 0x2);
1058*4882a593Smuzhiyun 			ofdmtab_stackrestore(0x1A00, 0x3);
1059*4882a593Smuzhiyun 		}
1060*4882a593Smuzhiyun 		phy_stackrestore(0x04A2);
1061*4882a593Smuzhiyun 		phy_stackrestore(0x048A);
1062*4882a593Smuzhiyun 		phy_stackrestore(0x042B);
1063*4882a593Smuzhiyun 		phy_stackrestore(0x048C);
1064*4882a593Smuzhiyun 		b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_ACIW);
1065*4882a593Smuzhiyun 		b43_calc_nrssi_slope(dev);
1066*4882a593Smuzhiyun 		break;
1067*4882a593Smuzhiyun 	default:
1068*4882a593Smuzhiyun 		B43_WARN_ON(1);
1069*4882a593Smuzhiyun 	}
1070*4882a593Smuzhiyun }
1071*4882a593Smuzhiyun 
1072*4882a593Smuzhiyun #undef phy_stacksave
1073*4882a593Smuzhiyun #undef phy_stackrestore
1074*4882a593Smuzhiyun #undef radio_stacksave
1075*4882a593Smuzhiyun #undef radio_stackrestore
1076*4882a593Smuzhiyun #undef ofdmtab_stacksave
1077*4882a593Smuzhiyun #undef ofdmtab_stackrestore
1078*4882a593Smuzhiyun 
b43_radio_core_calibration_value(struct b43_wldev * dev)1079*4882a593Smuzhiyun static u16 b43_radio_core_calibration_value(struct b43_wldev *dev)
1080*4882a593Smuzhiyun {
1081*4882a593Smuzhiyun 	u16 reg, index, ret;
1082*4882a593Smuzhiyun 
1083*4882a593Smuzhiyun 	static const u8 rcc_table[] = {
1084*4882a593Smuzhiyun 		0x02, 0x03, 0x01, 0x0F,
1085*4882a593Smuzhiyun 		0x06, 0x07, 0x05, 0x0F,
1086*4882a593Smuzhiyun 		0x0A, 0x0B, 0x09, 0x0F,
1087*4882a593Smuzhiyun 		0x0E, 0x0F, 0x0D, 0x0F,
1088*4882a593Smuzhiyun 	};
1089*4882a593Smuzhiyun 
1090*4882a593Smuzhiyun 	reg = b43_radio_read16(dev, 0x60);
1091*4882a593Smuzhiyun 	index = (reg & 0x001E) >> 1;
1092*4882a593Smuzhiyun 	ret = rcc_table[index] << 1;
1093*4882a593Smuzhiyun 	ret |= (reg & 0x0001);
1094*4882a593Smuzhiyun 	ret |= 0x0020;
1095*4882a593Smuzhiyun 
1096*4882a593Smuzhiyun 	return ret;
1097*4882a593Smuzhiyun }
1098*4882a593Smuzhiyun 
1099*4882a593Smuzhiyun #define LPD(L, P, D)	(((L) << 2) | ((P) << 1) | ((D) << 0))
radio2050_rfover_val(struct b43_wldev * dev,u16 phy_register,unsigned int lpd)1100*4882a593Smuzhiyun static u16 radio2050_rfover_val(struct b43_wldev *dev,
1101*4882a593Smuzhiyun 				u16 phy_register, unsigned int lpd)
1102*4882a593Smuzhiyun {
1103*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
1104*4882a593Smuzhiyun 	struct b43_phy_g *gphy = phy->g;
1105*4882a593Smuzhiyun 	struct ssb_sprom *sprom = dev->dev->bus_sprom;
1106*4882a593Smuzhiyun 
1107*4882a593Smuzhiyun 	if (!phy->gmode)
1108*4882a593Smuzhiyun 		return 0;
1109*4882a593Smuzhiyun 
1110*4882a593Smuzhiyun 	if (has_loopback_gain(phy)) {
1111*4882a593Smuzhiyun 		int max_lb_gain = gphy->max_lb_gain;
1112*4882a593Smuzhiyun 		u16 extlna;
1113*4882a593Smuzhiyun 		u16 i;
1114*4882a593Smuzhiyun 
1115*4882a593Smuzhiyun 		if (phy->radio_rev == 8)
1116*4882a593Smuzhiyun 			max_lb_gain += 0x3E;
1117*4882a593Smuzhiyun 		else
1118*4882a593Smuzhiyun 			max_lb_gain += 0x26;
1119*4882a593Smuzhiyun 		if (max_lb_gain >= 0x46) {
1120*4882a593Smuzhiyun 			extlna = 0x3000;
1121*4882a593Smuzhiyun 			max_lb_gain -= 0x46;
1122*4882a593Smuzhiyun 		} else if (max_lb_gain >= 0x3A) {
1123*4882a593Smuzhiyun 			extlna = 0x1000;
1124*4882a593Smuzhiyun 			max_lb_gain -= 0x3A;
1125*4882a593Smuzhiyun 		} else if (max_lb_gain >= 0x2E) {
1126*4882a593Smuzhiyun 			extlna = 0x2000;
1127*4882a593Smuzhiyun 			max_lb_gain -= 0x2E;
1128*4882a593Smuzhiyun 		} else {
1129*4882a593Smuzhiyun 			extlna = 0;
1130*4882a593Smuzhiyun 			max_lb_gain -= 0x10;
1131*4882a593Smuzhiyun 		}
1132*4882a593Smuzhiyun 
1133*4882a593Smuzhiyun 		for (i = 0; i < 16; i++) {
1134*4882a593Smuzhiyun 			max_lb_gain -= (i * 6);
1135*4882a593Smuzhiyun 			if (max_lb_gain < 6)
1136*4882a593Smuzhiyun 				break;
1137*4882a593Smuzhiyun 		}
1138*4882a593Smuzhiyun 
1139*4882a593Smuzhiyun 		if ((phy->rev < 7) ||
1140*4882a593Smuzhiyun 		    !(sprom->boardflags_lo & B43_BFL_EXTLNA)) {
1141*4882a593Smuzhiyun 			if (phy_register == B43_PHY_RFOVER) {
1142*4882a593Smuzhiyun 				return 0x1B3;
1143*4882a593Smuzhiyun 			} else if (phy_register == B43_PHY_RFOVERVAL) {
1144*4882a593Smuzhiyun 				extlna |= (i << 8);
1145*4882a593Smuzhiyun 				switch (lpd) {
1146*4882a593Smuzhiyun 				case LPD(0, 1, 1):
1147*4882a593Smuzhiyun 					return 0x0F92;
1148*4882a593Smuzhiyun 				case LPD(0, 0, 1):
1149*4882a593Smuzhiyun 				case LPD(1, 0, 1):
1150*4882a593Smuzhiyun 					return (0x0092 | extlna);
1151*4882a593Smuzhiyun 				case LPD(1, 0, 0):
1152*4882a593Smuzhiyun 					return (0x0093 | extlna);
1153*4882a593Smuzhiyun 				}
1154*4882a593Smuzhiyun 				B43_WARN_ON(1);
1155*4882a593Smuzhiyun 			}
1156*4882a593Smuzhiyun 			B43_WARN_ON(1);
1157*4882a593Smuzhiyun 		} else {
1158*4882a593Smuzhiyun 			if (phy_register == B43_PHY_RFOVER) {
1159*4882a593Smuzhiyun 				return 0x9B3;
1160*4882a593Smuzhiyun 			} else if (phy_register == B43_PHY_RFOVERVAL) {
1161*4882a593Smuzhiyun 				if (extlna)
1162*4882a593Smuzhiyun 					extlna |= 0x8000;
1163*4882a593Smuzhiyun 				extlna |= (i << 8);
1164*4882a593Smuzhiyun 				switch (lpd) {
1165*4882a593Smuzhiyun 				case LPD(0, 1, 1):
1166*4882a593Smuzhiyun 					return 0x8F92;
1167*4882a593Smuzhiyun 				case LPD(0, 0, 1):
1168*4882a593Smuzhiyun 					return (0x8092 | extlna);
1169*4882a593Smuzhiyun 				case LPD(1, 0, 1):
1170*4882a593Smuzhiyun 					return (0x2092 | extlna);
1171*4882a593Smuzhiyun 				case LPD(1, 0, 0):
1172*4882a593Smuzhiyun 					return (0x2093 | extlna);
1173*4882a593Smuzhiyun 				}
1174*4882a593Smuzhiyun 				B43_WARN_ON(1);
1175*4882a593Smuzhiyun 			}
1176*4882a593Smuzhiyun 			B43_WARN_ON(1);
1177*4882a593Smuzhiyun 		}
1178*4882a593Smuzhiyun 	} else {
1179*4882a593Smuzhiyun 		if ((phy->rev < 7) ||
1180*4882a593Smuzhiyun 		    !(sprom->boardflags_lo & B43_BFL_EXTLNA)) {
1181*4882a593Smuzhiyun 			if (phy_register == B43_PHY_RFOVER) {
1182*4882a593Smuzhiyun 				return 0x1B3;
1183*4882a593Smuzhiyun 			} else if (phy_register == B43_PHY_RFOVERVAL) {
1184*4882a593Smuzhiyun 				switch (lpd) {
1185*4882a593Smuzhiyun 				case LPD(0, 1, 1):
1186*4882a593Smuzhiyun 					return 0x0FB2;
1187*4882a593Smuzhiyun 				case LPD(0, 0, 1):
1188*4882a593Smuzhiyun 					return 0x00B2;
1189*4882a593Smuzhiyun 				case LPD(1, 0, 1):
1190*4882a593Smuzhiyun 					return 0x30B2;
1191*4882a593Smuzhiyun 				case LPD(1, 0, 0):
1192*4882a593Smuzhiyun 					return 0x30B3;
1193*4882a593Smuzhiyun 				}
1194*4882a593Smuzhiyun 				B43_WARN_ON(1);
1195*4882a593Smuzhiyun 			}
1196*4882a593Smuzhiyun 			B43_WARN_ON(1);
1197*4882a593Smuzhiyun 		} else {
1198*4882a593Smuzhiyun 			if (phy_register == B43_PHY_RFOVER) {
1199*4882a593Smuzhiyun 				return 0x9B3;
1200*4882a593Smuzhiyun 			} else if (phy_register == B43_PHY_RFOVERVAL) {
1201*4882a593Smuzhiyun 				switch (lpd) {
1202*4882a593Smuzhiyun 				case LPD(0, 1, 1):
1203*4882a593Smuzhiyun 					return 0x8FB2;
1204*4882a593Smuzhiyun 				case LPD(0, 0, 1):
1205*4882a593Smuzhiyun 					return 0x80B2;
1206*4882a593Smuzhiyun 				case LPD(1, 0, 1):
1207*4882a593Smuzhiyun 					return 0x20B2;
1208*4882a593Smuzhiyun 				case LPD(1, 0, 0):
1209*4882a593Smuzhiyun 					return 0x20B3;
1210*4882a593Smuzhiyun 				}
1211*4882a593Smuzhiyun 				B43_WARN_ON(1);
1212*4882a593Smuzhiyun 			}
1213*4882a593Smuzhiyun 			B43_WARN_ON(1);
1214*4882a593Smuzhiyun 		}
1215*4882a593Smuzhiyun 	}
1216*4882a593Smuzhiyun 	return 0;
1217*4882a593Smuzhiyun }
1218*4882a593Smuzhiyun 
1219*4882a593Smuzhiyun struct init2050_saved_values {
1220*4882a593Smuzhiyun 	/* Core registers */
1221*4882a593Smuzhiyun 	u16 reg_3EC;
1222*4882a593Smuzhiyun 	u16 reg_3E6;
1223*4882a593Smuzhiyun 	u16 reg_3F4;
1224*4882a593Smuzhiyun 	/* Radio registers */
1225*4882a593Smuzhiyun 	u16 radio_43;
1226*4882a593Smuzhiyun 	u16 radio_51;
1227*4882a593Smuzhiyun 	u16 radio_52;
1228*4882a593Smuzhiyun 	/* PHY registers */
1229*4882a593Smuzhiyun 	u16 phy_pgactl;
1230*4882a593Smuzhiyun 	u16 phy_cck_5A;
1231*4882a593Smuzhiyun 	u16 phy_cck_59;
1232*4882a593Smuzhiyun 	u16 phy_cck_58;
1233*4882a593Smuzhiyun 	u16 phy_cck_30;
1234*4882a593Smuzhiyun 	u16 phy_rfover;
1235*4882a593Smuzhiyun 	u16 phy_rfoverval;
1236*4882a593Smuzhiyun 	u16 phy_analogover;
1237*4882a593Smuzhiyun 	u16 phy_analogoverval;
1238*4882a593Smuzhiyun 	u16 phy_crs0;
1239*4882a593Smuzhiyun 	u16 phy_classctl;
1240*4882a593Smuzhiyun 	u16 phy_lo_mask;
1241*4882a593Smuzhiyun 	u16 phy_lo_ctl;
1242*4882a593Smuzhiyun 	u16 phy_syncctl;
1243*4882a593Smuzhiyun };
1244*4882a593Smuzhiyun 
b43_radio_init2050(struct b43_wldev * dev)1245*4882a593Smuzhiyun static u16 b43_radio_init2050(struct b43_wldev *dev)
1246*4882a593Smuzhiyun {
1247*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
1248*4882a593Smuzhiyun 	struct init2050_saved_values sav;
1249*4882a593Smuzhiyun 	u16 rcc;
1250*4882a593Smuzhiyun 	u16 radio78;
1251*4882a593Smuzhiyun 	u16 ret;
1252*4882a593Smuzhiyun 	u16 i, j;
1253*4882a593Smuzhiyun 	u32 tmp1 = 0, tmp2 = 0;
1254*4882a593Smuzhiyun 
1255*4882a593Smuzhiyun 	memset(&sav, 0, sizeof(sav));	/* get rid of "may be used uninitialized..." */
1256*4882a593Smuzhiyun 
1257*4882a593Smuzhiyun 	sav.radio_43 = b43_radio_read16(dev, 0x43);
1258*4882a593Smuzhiyun 	sav.radio_51 = b43_radio_read16(dev, 0x51);
1259*4882a593Smuzhiyun 	sav.radio_52 = b43_radio_read16(dev, 0x52);
1260*4882a593Smuzhiyun 	sav.phy_pgactl = b43_phy_read(dev, B43_PHY_PGACTL);
1261*4882a593Smuzhiyun 	sav.phy_cck_5A = b43_phy_read(dev, B43_PHY_CCK(0x5A));
1262*4882a593Smuzhiyun 	sav.phy_cck_59 = b43_phy_read(dev, B43_PHY_CCK(0x59));
1263*4882a593Smuzhiyun 	sav.phy_cck_58 = b43_phy_read(dev, B43_PHY_CCK(0x58));
1264*4882a593Smuzhiyun 
1265*4882a593Smuzhiyun 	if (phy->type == B43_PHYTYPE_B) {
1266*4882a593Smuzhiyun 		sav.phy_cck_30 = b43_phy_read(dev, B43_PHY_CCK(0x30));
1267*4882a593Smuzhiyun 		sav.reg_3EC = b43_read16(dev, 0x3EC);
1268*4882a593Smuzhiyun 
1269*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_CCK(0x30), 0xFF);
1270*4882a593Smuzhiyun 		b43_write16(dev, 0x3EC, 0x3F3F);
1271*4882a593Smuzhiyun 	} else if (phy->gmode || phy->rev >= 2) {
1272*4882a593Smuzhiyun 		sav.phy_rfover = b43_phy_read(dev, B43_PHY_RFOVER);
1273*4882a593Smuzhiyun 		sav.phy_rfoverval = b43_phy_read(dev, B43_PHY_RFOVERVAL);
1274*4882a593Smuzhiyun 		sav.phy_analogover = b43_phy_read(dev, B43_PHY_ANALOGOVER);
1275*4882a593Smuzhiyun 		sav.phy_analogoverval =
1276*4882a593Smuzhiyun 		    b43_phy_read(dev, B43_PHY_ANALOGOVERVAL);
1277*4882a593Smuzhiyun 		sav.phy_crs0 = b43_phy_read(dev, B43_PHY_CRS0);
1278*4882a593Smuzhiyun 		sav.phy_classctl = b43_phy_read(dev, B43_PHY_CLASSCTL);
1279*4882a593Smuzhiyun 
1280*4882a593Smuzhiyun 		b43_phy_set(dev, B43_PHY_ANALOGOVER, 0x0003);
1281*4882a593Smuzhiyun 		b43_phy_mask(dev, B43_PHY_ANALOGOVERVAL, 0xFFFC);
1282*4882a593Smuzhiyun 		b43_phy_mask(dev, B43_PHY_CRS0, 0x7FFF);
1283*4882a593Smuzhiyun 		b43_phy_mask(dev, B43_PHY_CLASSCTL, 0xFFFC);
1284*4882a593Smuzhiyun 		if (has_loopback_gain(phy)) {
1285*4882a593Smuzhiyun 			sav.phy_lo_mask = b43_phy_read(dev, B43_PHY_LO_MASK);
1286*4882a593Smuzhiyun 			sav.phy_lo_ctl = b43_phy_read(dev, B43_PHY_LO_CTL);
1287*4882a593Smuzhiyun 
1288*4882a593Smuzhiyun 			if (phy->rev >= 3)
1289*4882a593Smuzhiyun 				b43_phy_write(dev, B43_PHY_LO_MASK, 0xC020);
1290*4882a593Smuzhiyun 			else
1291*4882a593Smuzhiyun 				b43_phy_write(dev, B43_PHY_LO_MASK, 0x8020);
1292*4882a593Smuzhiyun 			b43_phy_write(dev, B43_PHY_LO_CTL, 0);
1293*4882a593Smuzhiyun 		}
1294*4882a593Smuzhiyun 
1295*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_RFOVERVAL,
1296*4882a593Smuzhiyun 			      radio2050_rfover_val(dev, B43_PHY_RFOVERVAL,
1297*4882a593Smuzhiyun 						   LPD(0, 1, 1)));
1298*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_RFOVER,
1299*4882a593Smuzhiyun 			      radio2050_rfover_val(dev, B43_PHY_RFOVER, 0));
1300*4882a593Smuzhiyun 	}
1301*4882a593Smuzhiyun 	b43_write16(dev, 0x3E2, b43_read16(dev, 0x3E2) | 0x8000);
1302*4882a593Smuzhiyun 
1303*4882a593Smuzhiyun 	sav.phy_syncctl = b43_phy_read(dev, B43_PHY_SYNCCTL);
1304*4882a593Smuzhiyun 	b43_phy_mask(dev, B43_PHY_SYNCCTL, 0xFF7F);
1305*4882a593Smuzhiyun 	sav.reg_3E6 = b43_read16(dev, 0x3E6);
1306*4882a593Smuzhiyun 	sav.reg_3F4 = b43_read16(dev, 0x3F4);
1307*4882a593Smuzhiyun 
1308*4882a593Smuzhiyun 	if (phy->analog == 0) {
1309*4882a593Smuzhiyun 		b43_write16(dev, 0x03E6, 0x0122);
1310*4882a593Smuzhiyun 	} else {
1311*4882a593Smuzhiyun 		if (phy->analog >= 2) {
1312*4882a593Smuzhiyun 			b43_phy_maskset(dev, B43_PHY_CCK(0x03), 0xFFBF, 0x40);
1313*4882a593Smuzhiyun 		}
1314*4882a593Smuzhiyun 		b43_write16(dev, B43_MMIO_CHANNEL_EXT,
1315*4882a593Smuzhiyun 			    (b43_read16(dev, B43_MMIO_CHANNEL_EXT) | 0x2000));
1316*4882a593Smuzhiyun 	}
1317*4882a593Smuzhiyun 
1318*4882a593Smuzhiyun 	rcc = b43_radio_core_calibration_value(dev);
1319*4882a593Smuzhiyun 
1320*4882a593Smuzhiyun 	if (phy->type == B43_PHYTYPE_B)
1321*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x78, 0x26);
1322*4882a593Smuzhiyun 	if (phy->gmode || phy->rev >= 2) {
1323*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_RFOVERVAL,
1324*4882a593Smuzhiyun 			      radio2050_rfover_val(dev, B43_PHY_RFOVERVAL,
1325*4882a593Smuzhiyun 						   LPD(0, 1, 1)));
1326*4882a593Smuzhiyun 	}
1327*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_PGACTL, 0xBFAF);
1328*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_CCK(0x2B), 0x1403);
1329*4882a593Smuzhiyun 	if (phy->gmode || phy->rev >= 2) {
1330*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_RFOVERVAL,
1331*4882a593Smuzhiyun 			      radio2050_rfover_val(dev, B43_PHY_RFOVERVAL,
1332*4882a593Smuzhiyun 						   LPD(0, 0, 1)));
1333*4882a593Smuzhiyun 	}
1334*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_PGACTL, 0xBFA0);
1335*4882a593Smuzhiyun 	b43_radio_set(dev, 0x51, 0x0004);
1336*4882a593Smuzhiyun 	if (phy->radio_rev == 8) {
1337*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x43, 0x1F);
1338*4882a593Smuzhiyun 	} else {
1339*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x52, 0);
1340*4882a593Smuzhiyun 		b43_radio_maskset(dev, 0x43, 0xFFF0, 0x0009);
1341*4882a593Smuzhiyun 	}
1342*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_CCK(0x58), 0);
1343*4882a593Smuzhiyun 
1344*4882a593Smuzhiyun 	for (i = 0; i < 16; i++) {
1345*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_CCK(0x5A), 0x0480);
1346*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_CCK(0x59), 0xC810);
1347*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_CCK(0x58), 0x000D);
1348*4882a593Smuzhiyun 		if (phy->gmode || phy->rev >= 2) {
1349*4882a593Smuzhiyun 			b43_phy_write(dev, B43_PHY_RFOVERVAL,
1350*4882a593Smuzhiyun 				      radio2050_rfover_val(dev,
1351*4882a593Smuzhiyun 							   B43_PHY_RFOVERVAL,
1352*4882a593Smuzhiyun 							   LPD(1, 0, 1)));
1353*4882a593Smuzhiyun 		}
1354*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0);
1355*4882a593Smuzhiyun 		udelay(10);
1356*4882a593Smuzhiyun 		if (phy->gmode || phy->rev >= 2) {
1357*4882a593Smuzhiyun 			b43_phy_write(dev, B43_PHY_RFOVERVAL,
1358*4882a593Smuzhiyun 				      radio2050_rfover_val(dev,
1359*4882a593Smuzhiyun 							   B43_PHY_RFOVERVAL,
1360*4882a593Smuzhiyun 							   LPD(1, 0, 1)));
1361*4882a593Smuzhiyun 		}
1362*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_PGACTL, 0xEFB0);
1363*4882a593Smuzhiyun 		udelay(10);
1364*4882a593Smuzhiyun 		if (phy->gmode || phy->rev >= 2) {
1365*4882a593Smuzhiyun 			b43_phy_write(dev, B43_PHY_RFOVERVAL,
1366*4882a593Smuzhiyun 				      radio2050_rfover_val(dev,
1367*4882a593Smuzhiyun 							   B43_PHY_RFOVERVAL,
1368*4882a593Smuzhiyun 							   LPD(1, 0, 0)));
1369*4882a593Smuzhiyun 		}
1370*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_PGACTL, 0xFFF0);
1371*4882a593Smuzhiyun 		udelay(20);
1372*4882a593Smuzhiyun 		tmp1 += b43_phy_read(dev, B43_PHY_LO_LEAKAGE);
1373*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_CCK(0x58), 0);
1374*4882a593Smuzhiyun 		if (phy->gmode || phy->rev >= 2) {
1375*4882a593Smuzhiyun 			b43_phy_write(dev, B43_PHY_RFOVERVAL,
1376*4882a593Smuzhiyun 				      radio2050_rfover_val(dev,
1377*4882a593Smuzhiyun 							   B43_PHY_RFOVERVAL,
1378*4882a593Smuzhiyun 							   LPD(1, 0, 1)));
1379*4882a593Smuzhiyun 		}
1380*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0);
1381*4882a593Smuzhiyun 	}
1382*4882a593Smuzhiyun 	udelay(10);
1383*4882a593Smuzhiyun 
1384*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_CCK(0x58), 0);
1385*4882a593Smuzhiyun 	tmp1++;
1386*4882a593Smuzhiyun 	tmp1 >>= 9;
1387*4882a593Smuzhiyun 
1388*4882a593Smuzhiyun 	for (i = 0; i < 16; i++) {
1389*4882a593Smuzhiyun 		radio78 = (bitrev4(i) << 1) | 0x0020;
1390*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x78, radio78);
1391*4882a593Smuzhiyun 		udelay(10);
1392*4882a593Smuzhiyun 		for (j = 0; j < 16; j++) {
1393*4882a593Smuzhiyun 			b43_phy_write(dev, B43_PHY_CCK(0x5A), 0x0D80);
1394*4882a593Smuzhiyun 			b43_phy_write(dev, B43_PHY_CCK(0x59), 0xC810);
1395*4882a593Smuzhiyun 			b43_phy_write(dev, B43_PHY_CCK(0x58), 0x000D);
1396*4882a593Smuzhiyun 			if (phy->gmode || phy->rev >= 2) {
1397*4882a593Smuzhiyun 				b43_phy_write(dev, B43_PHY_RFOVERVAL,
1398*4882a593Smuzhiyun 					      radio2050_rfover_val(dev,
1399*4882a593Smuzhiyun 								   B43_PHY_RFOVERVAL,
1400*4882a593Smuzhiyun 								   LPD(1, 0,
1401*4882a593Smuzhiyun 								       1)));
1402*4882a593Smuzhiyun 			}
1403*4882a593Smuzhiyun 			b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0);
1404*4882a593Smuzhiyun 			udelay(10);
1405*4882a593Smuzhiyun 			if (phy->gmode || phy->rev >= 2) {
1406*4882a593Smuzhiyun 				b43_phy_write(dev, B43_PHY_RFOVERVAL,
1407*4882a593Smuzhiyun 					      radio2050_rfover_val(dev,
1408*4882a593Smuzhiyun 								   B43_PHY_RFOVERVAL,
1409*4882a593Smuzhiyun 								   LPD(1, 0,
1410*4882a593Smuzhiyun 								       1)));
1411*4882a593Smuzhiyun 			}
1412*4882a593Smuzhiyun 			b43_phy_write(dev, B43_PHY_PGACTL, 0xEFB0);
1413*4882a593Smuzhiyun 			udelay(10);
1414*4882a593Smuzhiyun 			if (phy->gmode || phy->rev >= 2) {
1415*4882a593Smuzhiyun 				b43_phy_write(dev, B43_PHY_RFOVERVAL,
1416*4882a593Smuzhiyun 					      radio2050_rfover_val(dev,
1417*4882a593Smuzhiyun 								   B43_PHY_RFOVERVAL,
1418*4882a593Smuzhiyun 								   LPD(1, 0,
1419*4882a593Smuzhiyun 								       0)));
1420*4882a593Smuzhiyun 			}
1421*4882a593Smuzhiyun 			b43_phy_write(dev, B43_PHY_PGACTL, 0xFFF0);
1422*4882a593Smuzhiyun 			udelay(10);
1423*4882a593Smuzhiyun 			tmp2 += b43_phy_read(dev, B43_PHY_LO_LEAKAGE);
1424*4882a593Smuzhiyun 			b43_phy_write(dev, B43_PHY_CCK(0x58), 0);
1425*4882a593Smuzhiyun 			if (phy->gmode || phy->rev >= 2) {
1426*4882a593Smuzhiyun 				b43_phy_write(dev, B43_PHY_RFOVERVAL,
1427*4882a593Smuzhiyun 					      radio2050_rfover_val(dev,
1428*4882a593Smuzhiyun 								   B43_PHY_RFOVERVAL,
1429*4882a593Smuzhiyun 								   LPD(1, 0,
1430*4882a593Smuzhiyun 								       1)));
1431*4882a593Smuzhiyun 			}
1432*4882a593Smuzhiyun 			b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0);
1433*4882a593Smuzhiyun 		}
1434*4882a593Smuzhiyun 		tmp2++;
1435*4882a593Smuzhiyun 		tmp2 >>= 8;
1436*4882a593Smuzhiyun 		if (tmp1 < tmp2)
1437*4882a593Smuzhiyun 			break;
1438*4882a593Smuzhiyun 	}
1439*4882a593Smuzhiyun 
1440*4882a593Smuzhiyun 	/* Restore the registers */
1441*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_PGACTL, sav.phy_pgactl);
1442*4882a593Smuzhiyun 	b43_radio_write16(dev, 0x51, sav.radio_51);
1443*4882a593Smuzhiyun 	b43_radio_write16(dev, 0x52, sav.radio_52);
1444*4882a593Smuzhiyun 	b43_radio_write16(dev, 0x43, sav.radio_43);
1445*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_CCK(0x5A), sav.phy_cck_5A);
1446*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_CCK(0x59), sav.phy_cck_59);
1447*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_CCK(0x58), sav.phy_cck_58);
1448*4882a593Smuzhiyun 	b43_write16(dev, 0x3E6, sav.reg_3E6);
1449*4882a593Smuzhiyun 	if (phy->analog != 0)
1450*4882a593Smuzhiyun 		b43_write16(dev, 0x3F4, sav.reg_3F4);
1451*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_SYNCCTL, sav.phy_syncctl);
1452*4882a593Smuzhiyun 	b43_synth_pu_workaround(dev, phy->channel);
1453*4882a593Smuzhiyun 	if (phy->type == B43_PHYTYPE_B) {
1454*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_CCK(0x30), sav.phy_cck_30);
1455*4882a593Smuzhiyun 		b43_write16(dev, 0x3EC, sav.reg_3EC);
1456*4882a593Smuzhiyun 	} else if (phy->gmode) {
1457*4882a593Smuzhiyun 		b43_write16(dev, B43_MMIO_PHY_RADIO,
1458*4882a593Smuzhiyun 			    b43_read16(dev, B43_MMIO_PHY_RADIO)
1459*4882a593Smuzhiyun 			    & 0x7FFF);
1460*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_RFOVER, sav.phy_rfover);
1461*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_RFOVERVAL, sav.phy_rfoverval);
1462*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_ANALOGOVER, sav.phy_analogover);
1463*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_ANALOGOVERVAL,
1464*4882a593Smuzhiyun 			      sav.phy_analogoverval);
1465*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_CRS0, sav.phy_crs0);
1466*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_CLASSCTL, sav.phy_classctl);
1467*4882a593Smuzhiyun 		if (has_loopback_gain(phy)) {
1468*4882a593Smuzhiyun 			b43_phy_write(dev, B43_PHY_LO_MASK, sav.phy_lo_mask);
1469*4882a593Smuzhiyun 			b43_phy_write(dev, B43_PHY_LO_CTL, sav.phy_lo_ctl);
1470*4882a593Smuzhiyun 		}
1471*4882a593Smuzhiyun 	}
1472*4882a593Smuzhiyun 	if (i > 15)
1473*4882a593Smuzhiyun 		ret = radio78;
1474*4882a593Smuzhiyun 	else
1475*4882a593Smuzhiyun 		ret = rcc;
1476*4882a593Smuzhiyun 
1477*4882a593Smuzhiyun 	return ret;
1478*4882a593Smuzhiyun }
1479*4882a593Smuzhiyun 
b43_phy_initb5(struct b43_wldev * dev)1480*4882a593Smuzhiyun static void b43_phy_initb5(struct b43_wldev *dev)
1481*4882a593Smuzhiyun {
1482*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
1483*4882a593Smuzhiyun 	struct b43_phy_g *gphy = phy->g;
1484*4882a593Smuzhiyun 	u16 offset, value;
1485*4882a593Smuzhiyun 	u8 old_channel;
1486*4882a593Smuzhiyun 
1487*4882a593Smuzhiyun 	if (phy->analog == 1) {
1488*4882a593Smuzhiyun 		b43_radio_set(dev, 0x007A, 0x0050);
1489*4882a593Smuzhiyun 	}
1490*4882a593Smuzhiyun 	if ((dev->dev->board_vendor != SSB_BOARDVENDOR_BCM) &&
1491*4882a593Smuzhiyun 	    (dev->dev->board_type != SSB_BOARD_BU4306)) {
1492*4882a593Smuzhiyun 		value = 0x2120;
1493*4882a593Smuzhiyun 		for (offset = 0x00A8; offset < 0x00C7; offset++) {
1494*4882a593Smuzhiyun 			b43_phy_write(dev, offset, value);
1495*4882a593Smuzhiyun 			value += 0x202;
1496*4882a593Smuzhiyun 		}
1497*4882a593Smuzhiyun 	}
1498*4882a593Smuzhiyun 	b43_phy_maskset(dev, 0x0035, 0xF0FF, 0x0700);
1499*4882a593Smuzhiyun 	if (phy->radio_ver == 0x2050)
1500*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0038, 0x0667);
1501*4882a593Smuzhiyun 
1502*4882a593Smuzhiyun 	if (phy->gmode || phy->rev >= 2) {
1503*4882a593Smuzhiyun 		if (phy->radio_ver == 0x2050) {
1504*4882a593Smuzhiyun 			b43_radio_set(dev, 0x007A, 0x0020);
1505*4882a593Smuzhiyun 			b43_radio_set(dev, 0x0051, 0x0004);
1506*4882a593Smuzhiyun 		}
1507*4882a593Smuzhiyun 		b43_write16(dev, B43_MMIO_PHY_RADIO, 0x0000);
1508*4882a593Smuzhiyun 
1509*4882a593Smuzhiyun 		b43_phy_set(dev, 0x0802, 0x0100);
1510*4882a593Smuzhiyun 		b43_phy_set(dev, 0x042B, 0x2000);
1511*4882a593Smuzhiyun 
1512*4882a593Smuzhiyun 		b43_phy_write(dev, 0x001C, 0x186A);
1513*4882a593Smuzhiyun 
1514*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x0013, 0x00FF, 0x1900);
1515*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x0035, 0xFFC0, 0x0064);
1516*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x005D, 0xFF80, 0x000A);
1517*4882a593Smuzhiyun 	}
1518*4882a593Smuzhiyun 
1519*4882a593Smuzhiyun 	if (dev->bad_frames_preempt) {
1520*4882a593Smuzhiyun 		b43_phy_set(dev, B43_PHY_RADIO_BITFIELD, (1 << 11));
1521*4882a593Smuzhiyun 	}
1522*4882a593Smuzhiyun 
1523*4882a593Smuzhiyun 	if (phy->analog == 1) {
1524*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0026, 0xCE00);
1525*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0021, 0x3763);
1526*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0022, 0x1BC3);
1527*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0023, 0x06F9);
1528*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0024, 0x037E);
1529*4882a593Smuzhiyun 	} else
1530*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0026, 0xCC00);
1531*4882a593Smuzhiyun 	b43_phy_write(dev, 0x0030, 0x00C6);
1532*4882a593Smuzhiyun 	b43_write16(dev, 0x03EC, 0x3F22);
1533*4882a593Smuzhiyun 
1534*4882a593Smuzhiyun 	if (phy->analog == 1)
1535*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0020, 0x3E1C);
1536*4882a593Smuzhiyun 	else
1537*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0020, 0x301C);
1538*4882a593Smuzhiyun 
1539*4882a593Smuzhiyun 	if (phy->analog == 0)
1540*4882a593Smuzhiyun 		b43_write16(dev, 0x03E4, 0x3000);
1541*4882a593Smuzhiyun 
1542*4882a593Smuzhiyun 	old_channel = phy->channel;
1543*4882a593Smuzhiyun 	/* Force to channel 7, even if not supported. */
1544*4882a593Smuzhiyun 	b43_gphy_channel_switch(dev, 7, 0);
1545*4882a593Smuzhiyun 
1546*4882a593Smuzhiyun 	if (phy->radio_ver != 0x2050) {
1547*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x0075, 0x0080);
1548*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x0079, 0x0081);
1549*4882a593Smuzhiyun 	}
1550*4882a593Smuzhiyun 
1551*4882a593Smuzhiyun 	b43_radio_write16(dev, 0x0050, 0x0020);
1552*4882a593Smuzhiyun 	b43_radio_write16(dev, 0x0050, 0x0023);
1553*4882a593Smuzhiyun 
1554*4882a593Smuzhiyun 	if (phy->radio_ver == 0x2050) {
1555*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x0050, 0x0020);
1556*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x005A, 0x0070);
1557*4882a593Smuzhiyun 	}
1558*4882a593Smuzhiyun 
1559*4882a593Smuzhiyun 	b43_radio_write16(dev, 0x005B, 0x007B);
1560*4882a593Smuzhiyun 	b43_radio_write16(dev, 0x005C, 0x00B0);
1561*4882a593Smuzhiyun 
1562*4882a593Smuzhiyun 	b43_radio_set(dev, 0x007A, 0x0007);
1563*4882a593Smuzhiyun 
1564*4882a593Smuzhiyun 	b43_gphy_channel_switch(dev, old_channel, 0);
1565*4882a593Smuzhiyun 
1566*4882a593Smuzhiyun 	b43_phy_write(dev, 0x0014, 0x0080);
1567*4882a593Smuzhiyun 	b43_phy_write(dev, 0x0032, 0x00CA);
1568*4882a593Smuzhiyun 	b43_phy_write(dev, 0x002A, 0x88A3);
1569*4882a593Smuzhiyun 
1570*4882a593Smuzhiyun 	b43_set_txpower_g(dev, &gphy->bbatt, &gphy->rfatt, gphy->tx_control);
1571*4882a593Smuzhiyun 
1572*4882a593Smuzhiyun 	if (phy->radio_ver == 0x2050)
1573*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x005D, 0x000D);
1574*4882a593Smuzhiyun 
1575*4882a593Smuzhiyun 	b43_write16(dev, 0x03E4, (b43_read16(dev, 0x03E4) & 0xFFC0) | 0x0004);
1576*4882a593Smuzhiyun }
1577*4882a593Smuzhiyun 
1578*4882a593Smuzhiyun /* https://bcm-v4.sipsolutions.net/802.11/PHY/Init/B6 */
b43_phy_initb6(struct b43_wldev * dev)1579*4882a593Smuzhiyun static void b43_phy_initb6(struct b43_wldev *dev)
1580*4882a593Smuzhiyun {
1581*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
1582*4882a593Smuzhiyun 	struct b43_phy_g *gphy = phy->g;
1583*4882a593Smuzhiyun 	u16 offset, val;
1584*4882a593Smuzhiyun 	u8 old_channel;
1585*4882a593Smuzhiyun 
1586*4882a593Smuzhiyun 	b43_phy_write(dev, 0x003E, 0x817A);
1587*4882a593Smuzhiyun 	b43_radio_write16(dev, 0x007A,
1588*4882a593Smuzhiyun 			  (b43_radio_read16(dev, 0x007A) | 0x0058));
1589*4882a593Smuzhiyun 	if (phy->radio_rev == 4 || phy->radio_rev == 5) {
1590*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x51, 0x37);
1591*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x52, 0x70);
1592*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x53, 0xB3);
1593*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x54, 0x9B);
1594*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x5A, 0x88);
1595*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x5B, 0x88);
1596*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x5D, 0x88);
1597*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x5E, 0x88);
1598*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x7D, 0x88);
1599*4882a593Smuzhiyun 		b43_hf_write(dev, b43_hf_read(dev)
1600*4882a593Smuzhiyun 			     | B43_HF_TSSIRPSMW);
1601*4882a593Smuzhiyun 	}
1602*4882a593Smuzhiyun 	B43_WARN_ON(phy->radio_rev == 6 || phy->radio_rev == 7);	/* We had code for these revs here... */
1603*4882a593Smuzhiyun 	if (phy->radio_rev == 8) {
1604*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x51, 0);
1605*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x52, 0x40);
1606*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x53, 0xB7);
1607*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x54, 0x98);
1608*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x5A, 0x88);
1609*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x5B, 0x6B);
1610*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x5C, 0x0F);
1611*4882a593Smuzhiyun 		if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_ALTIQ) {
1612*4882a593Smuzhiyun 			b43_radio_write16(dev, 0x5D, 0xFA);
1613*4882a593Smuzhiyun 			b43_radio_write16(dev, 0x5E, 0xD8);
1614*4882a593Smuzhiyun 		} else {
1615*4882a593Smuzhiyun 			b43_radio_write16(dev, 0x5D, 0xF5);
1616*4882a593Smuzhiyun 			b43_radio_write16(dev, 0x5E, 0xB8);
1617*4882a593Smuzhiyun 		}
1618*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x0073, 0x0003);
1619*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x007D, 0x00A8);
1620*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x007C, 0x0001);
1621*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x007E, 0x0008);
1622*4882a593Smuzhiyun 	}
1623*4882a593Smuzhiyun 	val = 0x1E1F;
1624*4882a593Smuzhiyun 	for (offset = 0x0088; offset < 0x0098; offset++) {
1625*4882a593Smuzhiyun 		b43_phy_write(dev, offset, val);
1626*4882a593Smuzhiyun 		val -= 0x0202;
1627*4882a593Smuzhiyun 	}
1628*4882a593Smuzhiyun 	val = 0x3E3F;
1629*4882a593Smuzhiyun 	for (offset = 0x0098; offset < 0x00A8; offset++) {
1630*4882a593Smuzhiyun 		b43_phy_write(dev, offset, val);
1631*4882a593Smuzhiyun 		val -= 0x0202;
1632*4882a593Smuzhiyun 	}
1633*4882a593Smuzhiyun 	val = 0x2120;
1634*4882a593Smuzhiyun 	for (offset = 0x00A8; offset < 0x00C8; offset++) {
1635*4882a593Smuzhiyun 		b43_phy_write(dev, offset, (val & 0x3F3F));
1636*4882a593Smuzhiyun 		val += 0x0202;
1637*4882a593Smuzhiyun 	}
1638*4882a593Smuzhiyun 	if (phy->type == B43_PHYTYPE_G) {
1639*4882a593Smuzhiyun 		b43_radio_set(dev, 0x007A, 0x0020);
1640*4882a593Smuzhiyun 		b43_radio_set(dev, 0x0051, 0x0004);
1641*4882a593Smuzhiyun 		b43_phy_set(dev, 0x0802, 0x0100);
1642*4882a593Smuzhiyun 		b43_phy_set(dev, 0x042B, 0x2000);
1643*4882a593Smuzhiyun 		b43_phy_write(dev, 0x5B, 0);
1644*4882a593Smuzhiyun 		b43_phy_write(dev, 0x5C, 0);
1645*4882a593Smuzhiyun 	}
1646*4882a593Smuzhiyun 
1647*4882a593Smuzhiyun 	old_channel = phy->channel;
1648*4882a593Smuzhiyun 	if (old_channel >= 8)
1649*4882a593Smuzhiyun 		b43_gphy_channel_switch(dev, 1, 0);
1650*4882a593Smuzhiyun 	else
1651*4882a593Smuzhiyun 		b43_gphy_channel_switch(dev, 13, 0);
1652*4882a593Smuzhiyun 
1653*4882a593Smuzhiyun 	b43_radio_write16(dev, 0x0050, 0x0020);
1654*4882a593Smuzhiyun 	b43_radio_write16(dev, 0x0050, 0x0023);
1655*4882a593Smuzhiyun 	udelay(40);
1656*4882a593Smuzhiyun 	if (phy->radio_rev < 6 || phy->radio_rev == 8) {
1657*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x7C, (b43_radio_read16(dev, 0x7C)
1658*4882a593Smuzhiyun 					      | 0x0002));
1659*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x50, 0x20);
1660*4882a593Smuzhiyun 	}
1661*4882a593Smuzhiyun 	if (phy->radio_rev <= 2) {
1662*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x50, 0x20);
1663*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x5A, 0x70);
1664*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x5B, 0x7B);
1665*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x5C, 0xB0);
1666*4882a593Smuzhiyun 	}
1667*4882a593Smuzhiyun 	b43_radio_maskset(dev, 0x007A, 0x00F8, 0x0007);
1668*4882a593Smuzhiyun 
1669*4882a593Smuzhiyun 	b43_gphy_channel_switch(dev, old_channel, 0);
1670*4882a593Smuzhiyun 
1671*4882a593Smuzhiyun 	b43_phy_write(dev, 0x0014, 0x0200);
1672*4882a593Smuzhiyun 	if (phy->radio_rev >= 6)
1673*4882a593Smuzhiyun 		b43_phy_write(dev, 0x2A, 0x88C2);
1674*4882a593Smuzhiyun 	else
1675*4882a593Smuzhiyun 		b43_phy_write(dev, 0x2A, 0x8AC0);
1676*4882a593Smuzhiyun 	b43_phy_write(dev, 0x0038, 0x0668);
1677*4882a593Smuzhiyun 	b43_set_txpower_g(dev, &gphy->bbatt, &gphy->rfatt, gphy->tx_control);
1678*4882a593Smuzhiyun 	if (phy->radio_rev == 4 || phy->radio_rev == 5)
1679*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x5D, 0xFF80, 0x0003);
1680*4882a593Smuzhiyun 	if (phy->radio_rev <= 2)
1681*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x005D, 0x000D);
1682*4882a593Smuzhiyun 
1683*4882a593Smuzhiyun 	if (phy->analog == 4) {
1684*4882a593Smuzhiyun 		b43_write16(dev, 0x3E4, 9);
1685*4882a593Smuzhiyun 		b43_phy_mask(dev, 0x61, 0x0FFF);
1686*4882a593Smuzhiyun 	} else {
1687*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x0002, 0xFFC0, 0x0004);
1688*4882a593Smuzhiyun 	}
1689*4882a593Smuzhiyun 	if (phy->type == B43_PHYTYPE_B)
1690*4882a593Smuzhiyun 		B43_WARN_ON(1);
1691*4882a593Smuzhiyun 	else if (phy->type == B43_PHYTYPE_G)
1692*4882a593Smuzhiyun 		b43_write16(dev, 0x03E6, 0x0);
1693*4882a593Smuzhiyun }
1694*4882a593Smuzhiyun 
b43_calc_loopback_gain(struct b43_wldev * dev)1695*4882a593Smuzhiyun static void b43_calc_loopback_gain(struct b43_wldev *dev)
1696*4882a593Smuzhiyun {
1697*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
1698*4882a593Smuzhiyun 	struct b43_phy_g *gphy = phy->g;
1699*4882a593Smuzhiyun 	u16 backup_phy[16] = { 0 };
1700*4882a593Smuzhiyun 	u16 backup_radio[3];
1701*4882a593Smuzhiyun 	u16 backup_bband;
1702*4882a593Smuzhiyun 	u16 i, j, loop_i_max;
1703*4882a593Smuzhiyun 	u16 trsw_rx;
1704*4882a593Smuzhiyun 	u16 loop1_outer_done, loop1_inner_done;
1705*4882a593Smuzhiyun 
1706*4882a593Smuzhiyun 	backup_phy[0] = b43_phy_read(dev, B43_PHY_CRS0);
1707*4882a593Smuzhiyun 	backup_phy[1] = b43_phy_read(dev, B43_PHY_CCKBBANDCFG);
1708*4882a593Smuzhiyun 	backup_phy[2] = b43_phy_read(dev, B43_PHY_RFOVER);
1709*4882a593Smuzhiyun 	backup_phy[3] = b43_phy_read(dev, B43_PHY_RFOVERVAL);
1710*4882a593Smuzhiyun 	if (phy->rev != 1) {	/* Not in specs, but needed to prevent PPC machine check */
1711*4882a593Smuzhiyun 		backup_phy[4] = b43_phy_read(dev, B43_PHY_ANALOGOVER);
1712*4882a593Smuzhiyun 		backup_phy[5] = b43_phy_read(dev, B43_PHY_ANALOGOVERVAL);
1713*4882a593Smuzhiyun 	}
1714*4882a593Smuzhiyun 	backup_phy[6] = b43_phy_read(dev, B43_PHY_CCK(0x5A));
1715*4882a593Smuzhiyun 	backup_phy[7] = b43_phy_read(dev, B43_PHY_CCK(0x59));
1716*4882a593Smuzhiyun 	backup_phy[8] = b43_phy_read(dev, B43_PHY_CCK(0x58));
1717*4882a593Smuzhiyun 	backup_phy[9] = b43_phy_read(dev, B43_PHY_CCK(0x0A));
1718*4882a593Smuzhiyun 	backup_phy[10] = b43_phy_read(dev, B43_PHY_CCK(0x03));
1719*4882a593Smuzhiyun 	backup_phy[11] = b43_phy_read(dev, B43_PHY_LO_MASK);
1720*4882a593Smuzhiyun 	backup_phy[12] = b43_phy_read(dev, B43_PHY_LO_CTL);
1721*4882a593Smuzhiyun 	backup_phy[13] = b43_phy_read(dev, B43_PHY_CCK(0x2B));
1722*4882a593Smuzhiyun 	backup_phy[14] = b43_phy_read(dev, B43_PHY_PGACTL);
1723*4882a593Smuzhiyun 	backup_phy[15] = b43_phy_read(dev, B43_PHY_LO_LEAKAGE);
1724*4882a593Smuzhiyun 	backup_bband = gphy->bbatt.att;
1725*4882a593Smuzhiyun 	backup_radio[0] = b43_radio_read16(dev, 0x52);
1726*4882a593Smuzhiyun 	backup_radio[1] = b43_radio_read16(dev, 0x43);
1727*4882a593Smuzhiyun 	backup_radio[2] = b43_radio_read16(dev, 0x7A);
1728*4882a593Smuzhiyun 
1729*4882a593Smuzhiyun 	b43_phy_mask(dev, B43_PHY_CRS0, 0x3FFF);
1730*4882a593Smuzhiyun 	b43_phy_set(dev, B43_PHY_CCKBBANDCFG, 0x8000);
1731*4882a593Smuzhiyun 	b43_phy_set(dev, B43_PHY_RFOVER, 0x0002);
1732*4882a593Smuzhiyun 	b43_phy_mask(dev, B43_PHY_RFOVERVAL, 0xFFFD);
1733*4882a593Smuzhiyun 	b43_phy_set(dev, B43_PHY_RFOVER, 0x0001);
1734*4882a593Smuzhiyun 	b43_phy_mask(dev, B43_PHY_RFOVERVAL, 0xFFFE);
1735*4882a593Smuzhiyun 	if (phy->rev != 1) {	/* Not in specs, but needed to prevent PPC machine check */
1736*4882a593Smuzhiyun 		b43_phy_set(dev, B43_PHY_ANALOGOVER, 0x0001);
1737*4882a593Smuzhiyun 		b43_phy_mask(dev, B43_PHY_ANALOGOVERVAL, 0xFFFE);
1738*4882a593Smuzhiyun 		b43_phy_set(dev, B43_PHY_ANALOGOVER, 0x0002);
1739*4882a593Smuzhiyun 		b43_phy_mask(dev, B43_PHY_ANALOGOVERVAL, 0xFFFD);
1740*4882a593Smuzhiyun 	}
1741*4882a593Smuzhiyun 	b43_phy_set(dev, B43_PHY_RFOVER, 0x000C);
1742*4882a593Smuzhiyun 	b43_phy_set(dev, B43_PHY_RFOVERVAL, 0x000C);
1743*4882a593Smuzhiyun 	b43_phy_set(dev, B43_PHY_RFOVER, 0x0030);
1744*4882a593Smuzhiyun 	b43_phy_maskset(dev, B43_PHY_RFOVERVAL, 0xFFCF, 0x10);
1745*4882a593Smuzhiyun 
1746*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_CCK(0x5A), 0x0780);
1747*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_CCK(0x59), 0xC810);
1748*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_CCK(0x58), 0x000D);
1749*4882a593Smuzhiyun 
1750*4882a593Smuzhiyun 	b43_phy_set(dev, B43_PHY_CCK(0x0A), 0x2000);
1751*4882a593Smuzhiyun 	if (phy->rev != 1) {	/* Not in specs, but needed to prevent PPC machine check */
1752*4882a593Smuzhiyun 		b43_phy_set(dev, B43_PHY_ANALOGOVER, 0x0004);
1753*4882a593Smuzhiyun 		b43_phy_mask(dev, B43_PHY_ANALOGOVERVAL, 0xFFFB);
1754*4882a593Smuzhiyun 	}
1755*4882a593Smuzhiyun 	b43_phy_maskset(dev, B43_PHY_CCK(0x03), 0xFF9F, 0x40);
1756*4882a593Smuzhiyun 
1757*4882a593Smuzhiyun 	if (phy->radio_rev == 8) {
1758*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x43, 0x000F);
1759*4882a593Smuzhiyun 	} else {
1760*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x52, 0);
1761*4882a593Smuzhiyun 		b43_radio_maskset(dev, 0x43, 0xFFF0, 0x9);
1762*4882a593Smuzhiyun 	}
1763*4882a593Smuzhiyun 	b43_gphy_set_baseband_attenuation(dev, 11);
1764*4882a593Smuzhiyun 
1765*4882a593Smuzhiyun 	if (phy->rev >= 3)
1766*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_LO_MASK, 0xC020);
1767*4882a593Smuzhiyun 	else
1768*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_LO_MASK, 0x8020);
1769*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_LO_CTL, 0);
1770*4882a593Smuzhiyun 
1771*4882a593Smuzhiyun 	b43_phy_maskset(dev, B43_PHY_CCK(0x2B), 0xFFC0, 0x01);
1772*4882a593Smuzhiyun 	b43_phy_maskset(dev, B43_PHY_CCK(0x2B), 0xC0FF, 0x800);
1773*4882a593Smuzhiyun 
1774*4882a593Smuzhiyun 	b43_phy_set(dev, B43_PHY_RFOVER, 0x0100);
1775*4882a593Smuzhiyun 	b43_phy_mask(dev, B43_PHY_RFOVERVAL, 0xCFFF);
1776*4882a593Smuzhiyun 
1777*4882a593Smuzhiyun 	if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_EXTLNA) {
1778*4882a593Smuzhiyun 		if (phy->rev >= 7) {
1779*4882a593Smuzhiyun 			b43_phy_set(dev, B43_PHY_RFOVER, 0x0800);
1780*4882a593Smuzhiyun 			b43_phy_set(dev, B43_PHY_RFOVERVAL, 0x8000);
1781*4882a593Smuzhiyun 		}
1782*4882a593Smuzhiyun 	}
1783*4882a593Smuzhiyun 	b43_radio_mask(dev, 0x7A, 0x00F7);
1784*4882a593Smuzhiyun 
1785*4882a593Smuzhiyun 	j = 0;
1786*4882a593Smuzhiyun 	loop_i_max = (phy->radio_rev == 8) ? 15 : 9;
1787*4882a593Smuzhiyun 	for (i = 0; i < loop_i_max; i++) {
1788*4882a593Smuzhiyun 		for (j = 0; j < 16; j++) {
1789*4882a593Smuzhiyun 			b43_radio_write16(dev, 0x43, i);
1790*4882a593Smuzhiyun 			b43_phy_maskset(dev, B43_PHY_RFOVERVAL, 0xF0FF, (j << 8));
1791*4882a593Smuzhiyun 			b43_phy_maskset(dev, B43_PHY_PGACTL, 0x0FFF, 0xA000);
1792*4882a593Smuzhiyun 			b43_phy_set(dev, B43_PHY_PGACTL, 0xF000);
1793*4882a593Smuzhiyun 			udelay(20);
1794*4882a593Smuzhiyun 			if (b43_phy_read(dev, B43_PHY_LO_LEAKAGE) >= 0xDFC)
1795*4882a593Smuzhiyun 				goto exit_loop1;
1796*4882a593Smuzhiyun 		}
1797*4882a593Smuzhiyun 	}
1798*4882a593Smuzhiyun       exit_loop1:
1799*4882a593Smuzhiyun 	loop1_outer_done = i;
1800*4882a593Smuzhiyun 	loop1_inner_done = j;
1801*4882a593Smuzhiyun 	if (j >= 8) {
1802*4882a593Smuzhiyun 		b43_phy_set(dev, B43_PHY_RFOVERVAL, 0x30);
1803*4882a593Smuzhiyun 		trsw_rx = 0x1B;
1804*4882a593Smuzhiyun 		for (j = j - 8; j < 16; j++) {
1805*4882a593Smuzhiyun 			b43_phy_maskset(dev, B43_PHY_RFOVERVAL, 0xF0FF, (j << 8));
1806*4882a593Smuzhiyun 			b43_phy_maskset(dev, B43_PHY_PGACTL, 0x0FFF, 0xA000);
1807*4882a593Smuzhiyun 			b43_phy_set(dev, B43_PHY_PGACTL, 0xF000);
1808*4882a593Smuzhiyun 			udelay(20);
1809*4882a593Smuzhiyun 			trsw_rx -= 3;
1810*4882a593Smuzhiyun 			if (b43_phy_read(dev, B43_PHY_LO_LEAKAGE) >= 0xDFC)
1811*4882a593Smuzhiyun 				goto exit_loop2;
1812*4882a593Smuzhiyun 		}
1813*4882a593Smuzhiyun 	} else
1814*4882a593Smuzhiyun 		trsw_rx = 0x18;
1815*4882a593Smuzhiyun       exit_loop2:
1816*4882a593Smuzhiyun 
1817*4882a593Smuzhiyun 	if (phy->rev != 1) {	/* Not in specs, but needed to prevent PPC machine check */
1818*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_ANALOGOVER, backup_phy[4]);
1819*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, backup_phy[5]);
1820*4882a593Smuzhiyun 	}
1821*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_CCK(0x5A), backup_phy[6]);
1822*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_CCK(0x59), backup_phy[7]);
1823*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_CCK(0x58), backup_phy[8]);
1824*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_CCK(0x0A), backup_phy[9]);
1825*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_CCK(0x03), backup_phy[10]);
1826*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_LO_MASK, backup_phy[11]);
1827*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_LO_CTL, backup_phy[12]);
1828*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_CCK(0x2B), backup_phy[13]);
1829*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_PGACTL, backup_phy[14]);
1830*4882a593Smuzhiyun 
1831*4882a593Smuzhiyun 	b43_gphy_set_baseband_attenuation(dev, backup_bband);
1832*4882a593Smuzhiyun 
1833*4882a593Smuzhiyun 	b43_radio_write16(dev, 0x52, backup_radio[0]);
1834*4882a593Smuzhiyun 	b43_radio_write16(dev, 0x43, backup_radio[1]);
1835*4882a593Smuzhiyun 	b43_radio_write16(dev, 0x7A, backup_radio[2]);
1836*4882a593Smuzhiyun 
1837*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_RFOVER, backup_phy[2] | 0x0003);
1838*4882a593Smuzhiyun 	udelay(10);
1839*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_RFOVER, backup_phy[2]);
1840*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_RFOVERVAL, backup_phy[3]);
1841*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_CRS0, backup_phy[0]);
1842*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_CCKBBANDCFG, backup_phy[1]);
1843*4882a593Smuzhiyun 
1844*4882a593Smuzhiyun 	gphy->max_lb_gain =
1845*4882a593Smuzhiyun 	    ((loop1_inner_done * 6) - (loop1_outer_done * 4)) - 11;
1846*4882a593Smuzhiyun 	gphy->trsw_rx_gain = trsw_rx * 2;
1847*4882a593Smuzhiyun }
1848*4882a593Smuzhiyun 
b43_hardware_pctl_early_init(struct b43_wldev * dev)1849*4882a593Smuzhiyun static void b43_hardware_pctl_early_init(struct b43_wldev *dev)
1850*4882a593Smuzhiyun {
1851*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
1852*4882a593Smuzhiyun 
1853*4882a593Smuzhiyun 	if (!b43_has_hardware_pctl(dev)) {
1854*4882a593Smuzhiyun 		b43_phy_write(dev, 0x047A, 0xC111);
1855*4882a593Smuzhiyun 		return;
1856*4882a593Smuzhiyun 	}
1857*4882a593Smuzhiyun 
1858*4882a593Smuzhiyun 	b43_phy_mask(dev, 0x0036, 0xFEFF);
1859*4882a593Smuzhiyun 	b43_phy_write(dev, 0x002F, 0x0202);
1860*4882a593Smuzhiyun 	b43_phy_set(dev, 0x047C, 0x0002);
1861*4882a593Smuzhiyun 	b43_phy_set(dev, 0x047A, 0xF000);
1862*4882a593Smuzhiyun 	if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) {
1863*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x047A, 0xFF0F, 0x0010);
1864*4882a593Smuzhiyun 		b43_phy_set(dev, 0x005D, 0x8000);
1865*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x004E, 0xFFC0, 0x0010);
1866*4882a593Smuzhiyun 		b43_phy_write(dev, 0x002E, 0xC07F);
1867*4882a593Smuzhiyun 		b43_phy_set(dev, 0x0036, 0x0400);
1868*4882a593Smuzhiyun 	} else {
1869*4882a593Smuzhiyun 		b43_phy_set(dev, 0x0036, 0x0200);
1870*4882a593Smuzhiyun 		b43_phy_set(dev, 0x0036, 0x0400);
1871*4882a593Smuzhiyun 		b43_phy_mask(dev, 0x005D, 0x7FFF);
1872*4882a593Smuzhiyun 		b43_phy_mask(dev, 0x004F, 0xFFFE);
1873*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x004E, 0xFFC0, 0x0010);
1874*4882a593Smuzhiyun 		b43_phy_write(dev, 0x002E, 0xC07F);
1875*4882a593Smuzhiyun 		b43_phy_maskset(dev, 0x047A, 0xFF0F, 0x0010);
1876*4882a593Smuzhiyun 	}
1877*4882a593Smuzhiyun }
1878*4882a593Smuzhiyun 
1879*4882a593Smuzhiyun /* Hardware power control for G-PHY */
b43_hardware_pctl_init_gphy(struct b43_wldev * dev)1880*4882a593Smuzhiyun static void b43_hardware_pctl_init_gphy(struct b43_wldev *dev)
1881*4882a593Smuzhiyun {
1882*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
1883*4882a593Smuzhiyun 	struct b43_phy_g *gphy = phy->g;
1884*4882a593Smuzhiyun 
1885*4882a593Smuzhiyun 	if (!b43_has_hardware_pctl(dev)) {
1886*4882a593Smuzhiyun 		/* No hardware power control */
1887*4882a593Smuzhiyun 		b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_HWPCTL);
1888*4882a593Smuzhiyun 		return;
1889*4882a593Smuzhiyun 	}
1890*4882a593Smuzhiyun 
1891*4882a593Smuzhiyun 	b43_phy_maskset(dev, 0x0036, 0xFFC0, (gphy->tgt_idle_tssi - gphy->cur_idle_tssi));
1892*4882a593Smuzhiyun 	b43_phy_maskset(dev, 0x0478, 0xFF00, (gphy->tgt_idle_tssi - gphy->cur_idle_tssi));
1893*4882a593Smuzhiyun 	b43_gphy_tssi_power_lt_init(dev);
1894*4882a593Smuzhiyun 	b43_gphy_gain_lt_init(dev);
1895*4882a593Smuzhiyun 	b43_phy_mask(dev, 0x0060, 0xFFBF);
1896*4882a593Smuzhiyun 	b43_phy_write(dev, 0x0014, 0x0000);
1897*4882a593Smuzhiyun 
1898*4882a593Smuzhiyun 	B43_WARN_ON(phy->rev < 6);
1899*4882a593Smuzhiyun 	b43_phy_set(dev, 0x0478, 0x0800);
1900*4882a593Smuzhiyun 	b43_phy_mask(dev, 0x0478, 0xFEFF);
1901*4882a593Smuzhiyun 	b43_phy_mask(dev, 0x0801, 0xFFBF);
1902*4882a593Smuzhiyun 
1903*4882a593Smuzhiyun 	b43_gphy_dc_lt_init(dev, 1);
1904*4882a593Smuzhiyun 
1905*4882a593Smuzhiyun 	/* Enable hardware pctl in firmware. */
1906*4882a593Smuzhiyun 	b43_hf_write(dev, b43_hf_read(dev) | B43_HF_HWPCTL);
1907*4882a593Smuzhiyun }
1908*4882a593Smuzhiyun 
1909*4882a593Smuzhiyun /* Initialize B/G PHY power control */
b43_phy_init_pctl(struct b43_wldev * dev)1910*4882a593Smuzhiyun static void b43_phy_init_pctl(struct b43_wldev *dev)
1911*4882a593Smuzhiyun {
1912*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
1913*4882a593Smuzhiyun 	struct b43_phy_g *gphy = phy->g;
1914*4882a593Smuzhiyun 	struct b43_rfatt old_rfatt;
1915*4882a593Smuzhiyun 	struct b43_bbatt old_bbatt;
1916*4882a593Smuzhiyun 	u8 old_tx_control = 0;
1917*4882a593Smuzhiyun 
1918*4882a593Smuzhiyun 	B43_WARN_ON(phy->type != B43_PHYTYPE_G);
1919*4882a593Smuzhiyun 
1920*4882a593Smuzhiyun 	if ((dev->dev->board_vendor == SSB_BOARDVENDOR_BCM) &&
1921*4882a593Smuzhiyun 	    (dev->dev->board_type == SSB_BOARD_BU4306))
1922*4882a593Smuzhiyun 		return;
1923*4882a593Smuzhiyun 
1924*4882a593Smuzhiyun 	b43_phy_write(dev, 0x0028, 0x8018);
1925*4882a593Smuzhiyun 
1926*4882a593Smuzhiyun 	/* This does something with the Analog... */
1927*4882a593Smuzhiyun 	b43_write16(dev, B43_MMIO_PHY0, b43_read16(dev, B43_MMIO_PHY0)
1928*4882a593Smuzhiyun 		    & 0xFFDF);
1929*4882a593Smuzhiyun 
1930*4882a593Smuzhiyun 	if (!phy->gmode)
1931*4882a593Smuzhiyun 		return;
1932*4882a593Smuzhiyun 	b43_hardware_pctl_early_init(dev);
1933*4882a593Smuzhiyun 	if (gphy->cur_idle_tssi == 0) {
1934*4882a593Smuzhiyun 		if (phy->radio_ver == 0x2050 && phy->analog == 0) {
1935*4882a593Smuzhiyun 			b43_radio_maskset(dev, 0x0076, 0x00F7, 0x0084);
1936*4882a593Smuzhiyun 		} else {
1937*4882a593Smuzhiyun 			struct b43_rfatt rfatt;
1938*4882a593Smuzhiyun 			struct b43_bbatt bbatt;
1939*4882a593Smuzhiyun 
1940*4882a593Smuzhiyun 			memcpy(&old_rfatt, &gphy->rfatt, sizeof(old_rfatt));
1941*4882a593Smuzhiyun 			memcpy(&old_bbatt, &gphy->bbatt, sizeof(old_bbatt));
1942*4882a593Smuzhiyun 			old_tx_control = gphy->tx_control;
1943*4882a593Smuzhiyun 
1944*4882a593Smuzhiyun 			bbatt.att = 11;
1945*4882a593Smuzhiyun 			if (phy->radio_rev == 8) {
1946*4882a593Smuzhiyun 				rfatt.att = 15;
1947*4882a593Smuzhiyun 				rfatt.with_padmix = true;
1948*4882a593Smuzhiyun 			} else {
1949*4882a593Smuzhiyun 				rfatt.att = 9;
1950*4882a593Smuzhiyun 				rfatt.with_padmix = false;
1951*4882a593Smuzhiyun 			}
1952*4882a593Smuzhiyun 			b43_set_txpower_g(dev, &bbatt, &rfatt, 0);
1953*4882a593Smuzhiyun 		}
1954*4882a593Smuzhiyun 		b43_dummy_transmission(dev, false, true);
1955*4882a593Smuzhiyun 		gphy->cur_idle_tssi = b43_phy_read(dev, B43_PHY_ITSSI);
1956*4882a593Smuzhiyun 		if (B43_DEBUG) {
1957*4882a593Smuzhiyun 			/* Current-Idle-TSSI sanity check. */
1958*4882a593Smuzhiyun 			if (abs(gphy->cur_idle_tssi - gphy->tgt_idle_tssi) >= 20) {
1959*4882a593Smuzhiyun 				b43dbg(dev->wl,
1960*4882a593Smuzhiyun 				       "!WARNING! Idle-TSSI phy->cur_idle_tssi "
1961*4882a593Smuzhiyun 				       "measuring failed. (cur=%d, tgt=%d). Disabling TX power "
1962*4882a593Smuzhiyun 				       "adjustment.\n", gphy->cur_idle_tssi,
1963*4882a593Smuzhiyun 				       gphy->tgt_idle_tssi);
1964*4882a593Smuzhiyun 				gphy->cur_idle_tssi = 0;
1965*4882a593Smuzhiyun 			}
1966*4882a593Smuzhiyun 		}
1967*4882a593Smuzhiyun 		if (phy->radio_ver == 0x2050 && phy->analog == 0) {
1968*4882a593Smuzhiyun 			b43_radio_mask(dev, 0x0076, 0xFF7B);
1969*4882a593Smuzhiyun 		} else {
1970*4882a593Smuzhiyun 			b43_set_txpower_g(dev, &old_bbatt,
1971*4882a593Smuzhiyun 					  &old_rfatt, old_tx_control);
1972*4882a593Smuzhiyun 		}
1973*4882a593Smuzhiyun 	}
1974*4882a593Smuzhiyun 	b43_hardware_pctl_init_gphy(dev);
1975*4882a593Smuzhiyun 	b43_shm_clear_tssi(dev);
1976*4882a593Smuzhiyun }
1977*4882a593Smuzhiyun 
b43_phy_inita(struct b43_wldev * dev)1978*4882a593Smuzhiyun static void b43_phy_inita(struct b43_wldev *dev)
1979*4882a593Smuzhiyun {
1980*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
1981*4882a593Smuzhiyun 
1982*4882a593Smuzhiyun 	might_sleep();
1983*4882a593Smuzhiyun 
1984*4882a593Smuzhiyun 	if (phy->rev >= 6) {
1985*4882a593Smuzhiyun 		if (b43_phy_read(dev, B43_PHY_ENCORE) & B43_PHY_ENCORE_EN)
1986*4882a593Smuzhiyun 			b43_phy_set(dev, B43_PHY_ENCORE, 0x0010);
1987*4882a593Smuzhiyun 		else
1988*4882a593Smuzhiyun 			b43_phy_mask(dev, B43_PHY_ENCORE, ~0x1010);
1989*4882a593Smuzhiyun 	}
1990*4882a593Smuzhiyun 
1991*4882a593Smuzhiyun 	b43_wa_all(dev);
1992*4882a593Smuzhiyun 
1993*4882a593Smuzhiyun 	if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_PACTRL)
1994*4882a593Smuzhiyun 		b43_phy_maskset(dev, B43_PHY_OFDM(0x6E), 0xE000, 0x3CF);
1995*4882a593Smuzhiyun }
1996*4882a593Smuzhiyun 
b43_phy_initg(struct b43_wldev * dev)1997*4882a593Smuzhiyun static void b43_phy_initg(struct b43_wldev *dev)
1998*4882a593Smuzhiyun {
1999*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
2000*4882a593Smuzhiyun 	struct b43_phy_g *gphy = phy->g;
2001*4882a593Smuzhiyun 	u16 tmp;
2002*4882a593Smuzhiyun 
2003*4882a593Smuzhiyun 	if (phy->rev == 1)
2004*4882a593Smuzhiyun 		b43_phy_initb5(dev);
2005*4882a593Smuzhiyun 	else
2006*4882a593Smuzhiyun 		b43_phy_initb6(dev);
2007*4882a593Smuzhiyun 
2008*4882a593Smuzhiyun 	if (phy->rev >= 2 || phy->gmode)
2009*4882a593Smuzhiyun 		b43_phy_inita(dev);
2010*4882a593Smuzhiyun 
2011*4882a593Smuzhiyun 	if (phy->rev >= 2) {
2012*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_ANALOGOVER, 0);
2013*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, 0);
2014*4882a593Smuzhiyun 	}
2015*4882a593Smuzhiyun 	if (phy->rev == 2) {
2016*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_RFOVER, 0);
2017*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_PGACTL, 0xC0);
2018*4882a593Smuzhiyun 	}
2019*4882a593Smuzhiyun 	if (phy->rev > 5) {
2020*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_RFOVER, 0x400);
2021*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_PGACTL, 0xC0);
2022*4882a593Smuzhiyun 	}
2023*4882a593Smuzhiyun 	if (phy->gmode || phy->rev >= 2) {
2024*4882a593Smuzhiyun 		tmp = b43_phy_read(dev, B43_PHY_VERSION_OFDM);
2025*4882a593Smuzhiyun 		tmp &= B43_PHYVER_VERSION;
2026*4882a593Smuzhiyun 		if (tmp == 3 || tmp == 5) {
2027*4882a593Smuzhiyun 			b43_phy_write(dev, B43_PHY_OFDM(0xC2), 0x1816);
2028*4882a593Smuzhiyun 			b43_phy_write(dev, B43_PHY_OFDM(0xC3), 0x8006);
2029*4882a593Smuzhiyun 		}
2030*4882a593Smuzhiyun 		if (tmp == 5) {
2031*4882a593Smuzhiyun 			b43_phy_maskset(dev, B43_PHY_OFDM(0xCC), 0x00FF, 0x1F00);
2032*4882a593Smuzhiyun 		}
2033*4882a593Smuzhiyun 	}
2034*4882a593Smuzhiyun 	if ((phy->rev <= 2 && phy->gmode) || phy->rev >= 2)
2035*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_OFDM(0x7E), 0x78);
2036*4882a593Smuzhiyun 	if (phy->radio_rev == 8) {
2037*4882a593Smuzhiyun 		b43_phy_set(dev, B43_PHY_EXTG(0x01), 0x80);
2038*4882a593Smuzhiyun 		b43_phy_set(dev, B43_PHY_OFDM(0x3E), 0x4);
2039*4882a593Smuzhiyun 	}
2040*4882a593Smuzhiyun 	if (has_loopback_gain(phy))
2041*4882a593Smuzhiyun 		b43_calc_loopback_gain(dev);
2042*4882a593Smuzhiyun 
2043*4882a593Smuzhiyun 	if (phy->radio_rev != 8) {
2044*4882a593Smuzhiyun 		if (gphy->initval == 0xFFFF)
2045*4882a593Smuzhiyun 			gphy->initval = b43_radio_init2050(dev);
2046*4882a593Smuzhiyun 		else
2047*4882a593Smuzhiyun 			b43_radio_write16(dev, 0x0078, gphy->initval);
2048*4882a593Smuzhiyun 	}
2049*4882a593Smuzhiyun 	b43_lo_g_init(dev);
2050*4882a593Smuzhiyun 	if (has_tx_magnification(phy)) {
2051*4882a593Smuzhiyun 		b43_radio_write16(dev, 0x52,
2052*4882a593Smuzhiyun 				  (b43_radio_read16(dev, 0x52) & 0xFF00)
2053*4882a593Smuzhiyun 				  | gphy->lo_control->tx_bias | gphy->
2054*4882a593Smuzhiyun 				  lo_control->tx_magn);
2055*4882a593Smuzhiyun 	} else {
2056*4882a593Smuzhiyun 		b43_radio_maskset(dev, 0x52, 0xFFF0, gphy->lo_control->tx_bias);
2057*4882a593Smuzhiyun 	}
2058*4882a593Smuzhiyun 	if (phy->rev >= 6) {
2059*4882a593Smuzhiyun 		b43_phy_maskset(dev, B43_PHY_CCK(0x36), 0x0FFF, (gphy->lo_control->tx_bias << 12));
2060*4882a593Smuzhiyun 	}
2061*4882a593Smuzhiyun 	if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_PACTRL)
2062*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_CCK(0x2E), 0x8075);
2063*4882a593Smuzhiyun 	else
2064*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_CCK(0x2E), 0x807F);
2065*4882a593Smuzhiyun 	if (phy->rev < 2)
2066*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_CCK(0x2F), 0x101);
2067*4882a593Smuzhiyun 	else
2068*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_CCK(0x2F), 0x202);
2069*4882a593Smuzhiyun 	if (phy->gmode || phy->rev >= 2) {
2070*4882a593Smuzhiyun 		b43_lo_g_adjust(dev);
2071*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_LO_MASK, 0x8078);
2072*4882a593Smuzhiyun 	}
2073*4882a593Smuzhiyun 
2074*4882a593Smuzhiyun 	if (!(dev->dev->bus_sprom->boardflags_lo & B43_BFL_RSSI)) {
2075*4882a593Smuzhiyun 		/* The specs state to update the NRSSI LT with
2076*4882a593Smuzhiyun 		 * the value 0x7FFFFFFF here. I think that is some weird
2077*4882a593Smuzhiyun 		 * compiler optimization in the original driver.
2078*4882a593Smuzhiyun 		 * Essentially, what we do here is resetting all NRSSI LT
2079*4882a593Smuzhiyun 		 * entries to -32 (see the clamp_val() in nrssi_hw_update())
2080*4882a593Smuzhiyun 		 */
2081*4882a593Smuzhiyun 		b43_nrssi_hw_update(dev, 0xFFFF);	//FIXME?
2082*4882a593Smuzhiyun 		b43_calc_nrssi_threshold(dev);
2083*4882a593Smuzhiyun 	} else if (phy->gmode || phy->rev >= 2) {
2084*4882a593Smuzhiyun 		if (gphy->nrssi[0] == -1000) {
2085*4882a593Smuzhiyun 			B43_WARN_ON(gphy->nrssi[1] != -1000);
2086*4882a593Smuzhiyun 			b43_calc_nrssi_slope(dev);
2087*4882a593Smuzhiyun 		} else
2088*4882a593Smuzhiyun 			b43_calc_nrssi_threshold(dev);
2089*4882a593Smuzhiyun 	}
2090*4882a593Smuzhiyun 	if (phy->radio_rev == 8)
2091*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_EXTG(0x05), 0x3230);
2092*4882a593Smuzhiyun 	b43_phy_init_pctl(dev);
2093*4882a593Smuzhiyun 	/* FIXME: The spec says in the following if, the 0 should be replaced
2094*4882a593Smuzhiyun 	   'if OFDM may not be used in the current locale'
2095*4882a593Smuzhiyun 	   but OFDM is legal everywhere */
2096*4882a593Smuzhiyun 	if ((dev->dev->chip_id == 0x4306
2097*4882a593Smuzhiyun 	     && dev->dev->chip_pkg == 2) || 0) {
2098*4882a593Smuzhiyun 		b43_phy_mask(dev, B43_PHY_CRS0, 0xBFFF);
2099*4882a593Smuzhiyun 		b43_phy_mask(dev, B43_PHY_OFDM(0xC3), 0x7FFF);
2100*4882a593Smuzhiyun 	}
2101*4882a593Smuzhiyun }
2102*4882a593Smuzhiyun 
b43_gphy_channel_switch(struct b43_wldev * dev,unsigned int channel,bool synthetic_pu_workaround)2103*4882a593Smuzhiyun void b43_gphy_channel_switch(struct b43_wldev *dev,
2104*4882a593Smuzhiyun 			     unsigned int channel,
2105*4882a593Smuzhiyun 			     bool synthetic_pu_workaround)
2106*4882a593Smuzhiyun {
2107*4882a593Smuzhiyun 	if (synthetic_pu_workaround)
2108*4882a593Smuzhiyun 		b43_synth_pu_workaround(dev, channel);
2109*4882a593Smuzhiyun 
2110*4882a593Smuzhiyun 	b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(channel));
2111*4882a593Smuzhiyun 
2112*4882a593Smuzhiyun 	if (channel == 14) {
2113*4882a593Smuzhiyun 		if (dev->dev->bus_sprom->country_code ==
2114*4882a593Smuzhiyun 		    SSB_SPROM1CCODE_JAPAN)
2115*4882a593Smuzhiyun 			b43_hf_write(dev,
2116*4882a593Smuzhiyun 				     b43_hf_read(dev) & ~B43_HF_ACPR);
2117*4882a593Smuzhiyun 		else
2118*4882a593Smuzhiyun 			b43_hf_write(dev,
2119*4882a593Smuzhiyun 				     b43_hf_read(dev) | B43_HF_ACPR);
2120*4882a593Smuzhiyun 		b43_write16(dev, B43_MMIO_CHANNEL_EXT,
2121*4882a593Smuzhiyun 			    b43_read16(dev, B43_MMIO_CHANNEL_EXT)
2122*4882a593Smuzhiyun 			    | (1 << 11));
2123*4882a593Smuzhiyun 	} else {
2124*4882a593Smuzhiyun 		b43_write16(dev, B43_MMIO_CHANNEL_EXT,
2125*4882a593Smuzhiyun 			    b43_read16(dev, B43_MMIO_CHANNEL_EXT)
2126*4882a593Smuzhiyun 			    & 0xF7BF);
2127*4882a593Smuzhiyun 	}
2128*4882a593Smuzhiyun }
2129*4882a593Smuzhiyun 
default_baseband_attenuation(struct b43_wldev * dev,struct b43_bbatt * bb)2130*4882a593Smuzhiyun static void default_baseband_attenuation(struct b43_wldev *dev,
2131*4882a593Smuzhiyun 					 struct b43_bbatt *bb)
2132*4882a593Smuzhiyun {
2133*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
2134*4882a593Smuzhiyun 
2135*4882a593Smuzhiyun 	if (phy->radio_ver == 0x2050 && phy->radio_rev < 6)
2136*4882a593Smuzhiyun 		bb->att = 0;
2137*4882a593Smuzhiyun 	else
2138*4882a593Smuzhiyun 		bb->att = 2;
2139*4882a593Smuzhiyun }
2140*4882a593Smuzhiyun 
default_radio_attenuation(struct b43_wldev * dev,struct b43_rfatt * rf)2141*4882a593Smuzhiyun static void default_radio_attenuation(struct b43_wldev *dev,
2142*4882a593Smuzhiyun 				      struct b43_rfatt *rf)
2143*4882a593Smuzhiyun {
2144*4882a593Smuzhiyun 	struct b43_bus_dev *bdev = dev->dev;
2145*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
2146*4882a593Smuzhiyun 
2147*4882a593Smuzhiyun 	rf->with_padmix = false;
2148*4882a593Smuzhiyun 
2149*4882a593Smuzhiyun 	if (dev->dev->board_vendor == SSB_BOARDVENDOR_BCM &&
2150*4882a593Smuzhiyun 	    dev->dev->board_type == SSB_BOARD_BCM4309G) {
2151*4882a593Smuzhiyun 		if (dev->dev->board_rev < 0x43) {
2152*4882a593Smuzhiyun 			rf->att = 2;
2153*4882a593Smuzhiyun 			return;
2154*4882a593Smuzhiyun 		} else if (dev->dev->board_rev < 0x51) {
2155*4882a593Smuzhiyun 			rf->att = 3;
2156*4882a593Smuzhiyun 			return;
2157*4882a593Smuzhiyun 		}
2158*4882a593Smuzhiyun 	}
2159*4882a593Smuzhiyun 
2160*4882a593Smuzhiyun 	switch (phy->radio_ver) {
2161*4882a593Smuzhiyun 	case 0x2053:
2162*4882a593Smuzhiyun 		switch (phy->radio_rev) {
2163*4882a593Smuzhiyun 		case 1:
2164*4882a593Smuzhiyun 			rf->att = 6;
2165*4882a593Smuzhiyun 			return;
2166*4882a593Smuzhiyun 		}
2167*4882a593Smuzhiyun 		break;
2168*4882a593Smuzhiyun 	case 0x2050:
2169*4882a593Smuzhiyun 		switch (phy->radio_rev) {
2170*4882a593Smuzhiyun 		case 0:
2171*4882a593Smuzhiyun 			rf->att = 5;
2172*4882a593Smuzhiyun 			return;
2173*4882a593Smuzhiyun 		case 1:
2174*4882a593Smuzhiyun 			if (phy->type == B43_PHYTYPE_G) {
2175*4882a593Smuzhiyun 				if (bdev->board_vendor == SSB_BOARDVENDOR_BCM
2176*4882a593Smuzhiyun 				    && bdev->board_type == SSB_BOARD_BCM4309G
2177*4882a593Smuzhiyun 				    && bdev->board_rev >= 30)
2178*4882a593Smuzhiyun 					rf->att = 3;
2179*4882a593Smuzhiyun 				else if (bdev->board_vendor ==
2180*4882a593Smuzhiyun 					 SSB_BOARDVENDOR_BCM
2181*4882a593Smuzhiyun 					 && bdev->board_type ==
2182*4882a593Smuzhiyun 					 SSB_BOARD_BU4306)
2183*4882a593Smuzhiyun 					rf->att = 3;
2184*4882a593Smuzhiyun 				else
2185*4882a593Smuzhiyun 					rf->att = 1;
2186*4882a593Smuzhiyun 			} else {
2187*4882a593Smuzhiyun 				if (bdev->board_vendor == SSB_BOARDVENDOR_BCM
2188*4882a593Smuzhiyun 				    && bdev->board_type == SSB_BOARD_BCM4309G
2189*4882a593Smuzhiyun 				    && bdev->board_rev >= 30)
2190*4882a593Smuzhiyun 					rf->att = 7;
2191*4882a593Smuzhiyun 				else
2192*4882a593Smuzhiyun 					rf->att = 6;
2193*4882a593Smuzhiyun 			}
2194*4882a593Smuzhiyun 			return;
2195*4882a593Smuzhiyun 		case 2:
2196*4882a593Smuzhiyun 			if (phy->type == B43_PHYTYPE_G) {
2197*4882a593Smuzhiyun 				if (bdev->board_vendor == SSB_BOARDVENDOR_BCM
2198*4882a593Smuzhiyun 				    && bdev->board_type == SSB_BOARD_BCM4309G
2199*4882a593Smuzhiyun 				    && bdev->board_rev >= 30)
2200*4882a593Smuzhiyun 					rf->att = 3;
2201*4882a593Smuzhiyun 				else if (bdev->board_vendor ==
2202*4882a593Smuzhiyun 					 SSB_BOARDVENDOR_BCM
2203*4882a593Smuzhiyun 					 && bdev->board_type ==
2204*4882a593Smuzhiyun 					 SSB_BOARD_BU4306)
2205*4882a593Smuzhiyun 					rf->att = 5;
2206*4882a593Smuzhiyun 				else if (bdev->chip_id == 0x4320)
2207*4882a593Smuzhiyun 					rf->att = 4;
2208*4882a593Smuzhiyun 				else
2209*4882a593Smuzhiyun 					rf->att = 3;
2210*4882a593Smuzhiyun 			} else
2211*4882a593Smuzhiyun 				rf->att = 6;
2212*4882a593Smuzhiyun 			return;
2213*4882a593Smuzhiyun 		case 3:
2214*4882a593Smuzhiyun 			rf->att = 5;
2215*4882a593Smuzhiyun 			return;
2216*4882a593Smuzhiyun 		case 4:
2217*4882a593Smuzhiyun 		case 5:
2218*4882a593Smuzhiyun 			rf->att = 1;
2219*4882a593Smuzhiyun 			return;
2220*4882a593Smuzhiyun 		case 6:
2221*4882a593Smuzhiyun 		case 7:
2222*4882a593Smuzhiyun 			rf->att = 5;
2223*4882a593Smuzhiyun 			return;
2224*4882a593Smuzhiyun 		case 8:
2225*4882a593Smuzhiyun 			rf->att = 0xA;
2226*4882a593Smuzhiyun 			rf->with_padmix = true;
2227*4882a593Smuzhiyun 			return;
2228*4882a593Smuzhiyun 		case 9:
2229*4882a593Smuzhiyun 		default:
2230*4882a593Smuzhiyun 			rf->att = 5;
2231*4882a593Smuzhiyun 			return;
2232*4882a593Smuzhiyun 		}
2233*4882a593Smuzhiyun 	}
2234*4882a593Smuzhiyun 	rf->att = 5;
2235*4882a593Smuzhiyun }
2236*4882a593Smuzhiyun 
default_tx_control(struct b43_wldev * dev)2237*4882a593Smuzhiyun static u16 default_tx_control(struct b43_wldev *dev)
2238*4882a593Smuzhiyun {
2239*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
2240*4882a593Smuzhiyun 
2241*4882a593Smuzhiyun 	if (phy->radio_ver != 0x2050)
2242*4882a593Smuzhiyun 		return 0;
2243*4882a593Smuzhiyun 	if (phy->radio_rev == 1)
2244*4882a593Smuzhiyun 		return B43_TXCTL_PA2DB | B43_TXCTL_TXMIX;
2245*4882a593Smuzhiyun 	if (phy->radio_rev < 6)
2246*4882a593Smuzhiyun 		return B43_TXCTL_PA2DB;
2247*4882a593Smuzhiyun 	if (phy->radio_rev == 8)
2248*4882a593Smuzhiyun 		return B43_TXCTL_TXMIX;
2249*4882a593Smuzhiyun 	return 0;
2250*4882a593Smuzhiyun }
2251*4882a593Smuzhiyun 
b43_gphy_aci_detect(struct b43_wldev * dev,u8 channel)2252*4882a593Smuzhiyun static u8 b43_gphy_aci_detect(struct b43_wldev *dev, u8 channel)
2253*4882a593Smuzhiyun {
2254*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
2255*4882a593Smuzhiyun 	struct b43_phy_g *gphy = phy->g;
2256*4882a593Smuzhiyun 	u8 ret = 0;
2257*4882a593Smuzhiyun 	u16 saved, rssi, temp;
2258*4882a593Smuzhiyun 	int i, j = 0;
2259*4882a593Smuzhiyun 
2260*4882a593Smuzhiyun 	saved = b43_phy_read(dev, 0x0403);
2261*4882a593Smuzhiyun 	b43_switch_channel(dev, channel);
2262*4882a593Smuzhiyun 	b43_phy_write(dev, 0x0403, (saved & 0xFFF8) | 5);
2263*4882a593Smuzhiyun 	if (gphy->aci_hw_rssi)
2264*4882a593Smuzhiyun 		rssi = b43_phy_read(dev, 0x048A) & 0x3F;
2265*4882a593Smuzhiyun 	else
2266*4882a593Smuzhiyun 		rssi = saved & 0x3F;
2267*4882a593Smuzhiyun 	/* clamp temp to signed 5bit */
2268*4882a593Smuzhiyun 	if (rssi > 32)
2269*4882a593Smuzhiyun 		rssi -= 64;
2270*4882a593Smuzhiyun 	for (i = 0; i < 100; i++) {
2271*4882a593Smuzhiyun 		temp = (b43_phy_read(dev, 0x047F) >> 8) & 0x3F;
2272*4882a593Smuzhiyun 		if (temp > 32)
2273*4882a593Smuzhiyun 			temp -= 64;
2274*4882a593Smuzhiyun 		if (temp < rssi)
2275*4882a593Smuzhiyun 			j++;
2276*4882a593Smuzhiyun 		if (j >= 20)
2277*4882a593Smuzhiyun 			ret = 1;
2278*4882a593Smuzhiyun 	}
2279*4882a593Smuzhiyun 	b43_phy_write(dev, 0x0403, saved);
2280*4882a593Smuzhiyun 
2281*4882a593Smuzhiyun 	return ret;
2282*4882a593Smuzhiyun }
2283*4882a593Smuzhiyun 
b43_gphy_aci_scan(struct b43_wldev * dev)2284*4882a593Smuzhiyun static u8 b43_gphy_aci_scan(struct b43_wldev *dev)
2285*4882a593Smuzhiyun {
2286*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
2287*4882a593Smuzhiyun 	u8 ret[13] = { 0 };
2288*4882a593Smuzhiyun 	unsigned int channel = phy->channel;
2289*4882a593Smuzhiyun 	unsigned int i, j, start, end;
2290*4882a593Smuzhiyun 
2291*4882a593Smuzhiyun 	if (!((phy->type == B43_PHYTYPE_G) && (phy->rev > 0)))
2292*4882a593Smuzhiyun 		return 0;
2293*4882a593Smuzhiyun 
2294*4882a593Smuzhiyun 	b43_phy_lock(dev);
2295*4882a593Smuzhiyun 	b43_radio_lock(dev);
2296*4882a593Smuzhiyun 	b43_phy_mask(dev, 0x0802, 0xFFFC);
2297*4882a593Smuzhiyun 	b43_phy_mask(dev, B43_PHY_G_CRS, 0x7FFF);
2298*4882a593Smuzhiyun 	b43_set_all_gains(dev, 3, 8, 1);
2299*4882a593Smuzhiyun 
2300*4882a593Smuzhiyun 	start = (channel > 5) ? channel - 5 : 1;
2301*4882a593Smuzhiyun 	end = (channel + 5 < 14) ? channel + 5 : 13;
2302*4882a593Smuzhiyun 
2303*4882a593Smuzhiyun 	for (i = start; i <= end; i++) {
2304*4882a593Smuzhiyun 		if (abs(channel - i) > 2)
2305*4882a593Smuzhiyun 			ret[i - 1] = b43_gphy_aci_detect(dev, i);
2306*4882a593Smuzhiyun 	}
2307*4882a593Smuzhiyun 	b43_switch_channel(dev, channel);
2308*4882a593Smuzhiyun 	b43_phy_maskset(dev, 0x0802, 0xFFFC, 0x0003);
2309*4882a593Smuzhiyun 	b43_phy_mask(dev, 0x0403, 0xFFF8);
2310*4882a593Smuzhiyun 	b43_phy_set(dev, B43_PHY_G_CRS, 0x8000);
2311*4882a593Smuzhiyun 	b43_set_original_gains(dev);
2312*4882a593Smuzhiyun 	for (i = 0; i < 13; i++) {
2313*4882a593Smuzhiyun 		if (!ret[i])
2314*4882a593Smuzhiyun 			continue;
2315*4882a593Smuzhiyun 		end = (i + 5 < 13) ? i + 5 : 13;
2316*4882a593Smuzhiyun 		for (j = i; j < end; j++)
2317*4882a593Smuzhiyun 			ret[j] = 1;
2318*4882a593Smuzhiyun 	}
2319*4882a593Smuzhiyun 	b43_radio_unlock(dev);
2320*4882a593Smuzhiyun 	b43_phy_unlock(dev);
2321*4882a593Smuzhiyun 
2322*4882a593Smuzhiyun 	return ret[channel - 1];
2323*4882a593Smuzhiyun }
2324*4882a593Smuzhiyun 
b43_tssi2dbm_ad(s32 num,s32 den)2325*4882a593Smuzhiyun static s32 b43_tssi2dbm_ad(s32 num, s32 den)
2326*4882a593Smuzhiyun {
2327*4882a593Smuzhiyun 	if (num < 0)
2328*4882a593Smuzhiyun 		return num / den;
2329*4882a593Smuzhiyun 	else
2330*4882a593Smuzhiyun 		return (num + den / 2) / den;
2331*4882a593Smuzhiyun }
2332*4882a593Smuzhiyun 
b43_tssi2dbm_entry(s8 entry[],u8 index,s16 pab0,s16 pab1,s16 pab2)2333*4882a593Smuzhiyun static s8 b43_tssi2dbm_entry(s8 entry[], u8 index,
2334*4882a593Smuzhiyun 			     s16 pab0, s16 pab1, s16 pab2)
2335*4882a593Smuzhiyun {
2336*4882a593Smuzhiyun 	s32 m1, m2, f = 256, q, delta;
2337*4882a593Smuzhiyun 	s8 i = 0;
2338*4882a593Smuzhiyun 
2339*4882a593Smuzhiyun 	m1 = b43_tssi2dbm_ad(16 * pab0 + index * pab1, 32);
2340*4882a593Smuzhiyun 	m2 = max(b43_tssi2dbm_ad(32768 + index * pab2, 256), 1);
2341*4882a593Smuzhiyun 	do {
2342*4882a593Smuzhiyun 		if (i > 15)
2343*4882a593Smuzhiyun 			return -EINVAL;
2344*4882a593Smuzhiyun 		q = b43_tssi2dbm_ad(f * 4096 -
2345*4882a593Smuzhiyun 				    b43_tssi2dbm_ad(m2 * f, 16) * f, 2048);
2346*4882a593Smuzhiyun 		delta = abs(q - f);
2347*4882a593Smuzhiyun 		f = q;
2348*4882a593Smuzhiyun 		i++;
2349*4882a593Smuzhiyun 	} while (delta >= 2);
2350*4882a593Smuzhiyun 	entry[index] = clamp_val(b43_tssi2dbm_ad(m1 * f, 8192), -127, 128);
2351*4882a593Smuzhiyun 	return 0;
2352*4882a593Smuzhiyun }
2353*4882a593Smuzhiyun 
b43_generate_dyn_tssi2dbm_tab(struct b43_wldev * dev,s16 pab0,s16 pab1,s16 pab2)2354*4882a593Smuzhiyun u8 *b43_generate_dyn_tssi2dbm_tab(struct b43_wldev *dev,
2355*4882a593Smuzhiyun 				  s16 pab0, s16 pab1, s16 pab2)
2356*4882a593Smuzhiyun {
2357*4882a593Smuzhiyun 	unsigned int i;
2358*4882a593Smuzhiyun 	u8 *tab;
2359*4882a593Smuzhiyun 	int err;
2360*4882a593Smuzhiyun 
2361*4882a593Smuzhiyun 	tab = kmalloc(64, GFP_KERNEL);
2362*4882a593Smuzhiyun 	if (!tab) {
2363*4882a593Smuzhiyun 		b43err(dev->wl, "Could not allocate memory "
2364*4882a593Smuzhiyun 		       "for tssi2dbm table\n");
2365*4882a593Smuzhiyun 		return NULL;
2366*4882a593Smuzhiyun 	}
2367*4882a593Smuzhiyun 	for (i = 0; i < 64; i++) {
2368*4882a593Smuzhiyun 		err = b43_tssi2dbm_entry(tab, i, pab0, pab1, pab2);
2369*4882a593Smuzhiyun 		if (err) {
2370*4882a593Smuzhiyun 			b43err(dev->wl, "Could not generate "
2371*4882a593Smuzhiyun 			       "tssi2dBm table\n");
2372*4882a593Smuzhiyun 			kfree(tab);
2373*4882a593Smuzhiyun 			return NULL;
2374*4882a593Smuzhiyun 		}
2375*4882a593Smuzhiyun 	}
2376*4882a593Smuzhiyun 
2377*4882a593Smuzhiyun 	return tab;
2378*4882a593Smuzhiyun }
2379*4882a593Smuzhiyun 
2380*4882a593Smuzhiyun /* Initialise the TSSI->dBm lookup table */
b43_gphy_init_tssi2dbm_table(struct b43_wldev * dev)2381*4882a593Smuzhiyun static int b43_gphy_init_tssi2dbm_table(struct b43_wldev *dev)
2382*4882a593Smuzhiyun {
2383*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
2384*4882a593Smuzhiyun 	struct b43_phy_g *gphy = phy->g;
2385*4882a593Smuzhiyun 	s16 pab0, pab1, pab2;
2386*4882a593Smuzhiyun 
2387*4882a593Smuzhiyun 	pab0 = (s16) (dev->dev->bus_sprom->pa0b0);
2388*4882a593Smuzhiyun 	pab1 = (s16) (dev->dev->bus_sprom->pa0b1);
2389*4882a593Smuzhiyun 	pab2 = (s16) (dev->dev->bus_sprom->pa0b2);
2390*4882a593Smuzhiyun 
2391*4882a593Smuzhiyun 	B43_WARN_ON((dev->dev->chip_id == 0x4301) &&
2392*4882a593Smuzhiyun 		    (phy->radio_ver != 0x2050)); /* Not supported anymore */
2393*4882a593Smuzhiyun 
2394*4882a593Smuzhiyun 	gphy->dyn_tssi_tbl = false;
2395*4882a593Smuzhiyun 
2396*4882a593Smuzhiyun 	if (pab0 != 0 && pab1 != 0 && pab2 != 0 &&
2397*4882a593Smuzhiyun 	    pab0 != -1 && pab1 != -1 && pab2 != -1) {
2398*4882a593Smuzhiyun 		/* The pabX values are set in SPROM. Use them. */
2399*4882a593Smuzhiyun 		if ((s8) dev->dev->bus_sprom->itssi_bg != 0 &&
2400*4882a593Smuzhiyun 		    (s8) dev->dev->bus_sprom->itssi_bg != -1) {
2401*4882a593Smuzhiyun 			gphy->tgt_idle_tssi =
2402*4882a593Smuzhiyun 				(s8) (dev->dev->bus_sprom->itssi_bg);
2403*4882a593Smuzhiyun 		} else
2404*4882a593Smuzhiyun 			gphy->tgt_idle_tssi = 62;
2405*4882a593Smuzhiyun 		gphy->tssi2dbm = b43_generate_dyn_tssi2dbm_tab(dev, pab0,
2406*4882a593Smuzhiyun 							       pab1, pab2);
2407*4882a593Smuzhiyun 		if (!gphy->tssi2dbm)
2408*4882a593Smuzhiyun 			return -ENOMEM;
2409*4882a593Smuzhiyun 		gphy->dyn_tssi_tbl = true;
2410*4882a593Smuzhiyun 	} else {
2411*4882a593Smuzhiyun 		/* pabX values not set in SPROM. */
2412*4882a593Smuzhiyun 		gphy->tgt_idle_tssi = 52;
2413*4882a593Smuzhiyun 		gphy->tssi2dbm = b43_tssi2dbm_g_table;
2414*4882a593Smuzhiyun 	}
2415*4882a593Smuzhiyun 
2416*4882a593Smuzhiyun 	return 0;
2417*4882a593Smuzhiyun }
2418*4882a593Smuzhiyun 
b43_gphy_op_allocate(struct b43_wldev * dev)2419*4882a593Smuzhiyun static int b43_gphy_op_allocate(struct b43_wldev *dev)
2420*4882a593Smuzhiyun {
2421*4882a593Smuzhiyun 	struct b43_phy_g *gphy;
2422*4882a593Smuzhiyun 	struct b43_txpower_lo_control *lo;
2423*4882a593Smuzhiyun 	int err;
2424*4882a593Smuzhiyun 
2425*4882a593Smuzhiyun 	gphy = kzalloc(sizeof(*gphy), GFP_KERNEL);
2426*4882a593Smuzhiyun 	if (!gphy) {
2427*4882a593Smuzhiyun 		err = -ENOMEM;
2428*4882a593Smuzhiyun 		goto error;
2429*4882a593Smuzhiyun 	}
2430*4882a593Smuzhiyun 	dev->phy.g = gphy;
2431*4882a593Smuzhiyun 
2432*4882a593Smuzhiyun 	lo = kzalloc(sizeof(*lo), GFP_KERNEL);
2433*4882a593Smuzhiyun 	if (!lo) {
2434*4882a593Smuzhiyun 		err = -ENOMEM;
2435*4882a593Smuzhiyun 		goto err_free_gphy;
2436*4882a593Smuzhiyun 	}
2437*4882a593Smuzhiyun 	gphy->lo_control = lo;
2438*4882a593Smuzhiyun 
2439*4882a593Smuzhiyun 	err = b43_gphy_init_tssi2dbm_table(dev);
2440*4882a593Smuzhiyun 	if (err)
2441*4882a593Smuzhiyun 		goto err_free_lo;
2442*4882a593Smuzhiyun 
2443*4882a593Smuzhiyun 	return 0;
2444*4882a593Smuzhiyun 
2445*4882a593Smuzhiyun err_free_lo:
2446*4882a593Smuzhiyun 	kfree(lo);
2447*4882a593Smuzhiyun err_free_gphy:
2448*4882a593Smuzhiyun 	kfree(gphy);
2449*4882a593Smuzhiyun error:
2450*4882a593Smuzhiyun 	return err;
2451*4882a593Smuzhiyun }
2452*4882a593Smuzhiyun 
b43_gphy_op_prepare_structs(struct b43_wldev * dev)2453*4882a593Smuzhiyun static void b43_gphy_op_prepare_structs(struct b43_wldev *dev)
2454*4882a593Smuzhiyun {
2455*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
2456*4882a593Smuzhiyun 	struct b43_phy_g *gphy = phy->g;
2457*4882a593Smuzhiyun 	const void *tssi2dbm;
2458*4882a593Smuzhiyun 	int tgt_idle_tssi;
2459*4882a593Smuzhiyun 	struct b43_txpower_lo_control *lo;
2460*4882a593Smuzhiyun 	unsigned int i;
2461*4882a593Smuzhiyun 
2462*4882a593Smuzhiyun 	/* tssi2dbm table is constant, so it is initialized at alloc time.
2463*4882a593Smuzhiyun 	 * Save a copy of the pointer. */
2464*4882a593Smuzhiyun 	tssi2dbm = gphy->tssi2dbm;
2465*4882a593Smuzhiyun 	tgt_idle_tssi = gphy->tgt_idle_tssi;
2466*4882a593Smuzhiyun 	/* Save the LO pointer. */
2467*4882a593Smuzhiyun 	lo = gphy->lo_control;
2468*4882a593Smuzhiyun 
2469*4882a593Smuzhiyun 	/* Zero out the whole PHY structure. */
2470*4882a593Smuzhiyun 	memset(gphy, 0, sizeof(*gphy));
2471*4882a593Smuzhiyun 
2472*4882a593Smuzhiyun 	/* Restore pointers. */
2473*4882a593Smuzhiyun 	gphy->tssi2dbm = tssi2dbm;
2474*4882a593Smuzhiyun 	gphy->tgt_idle_tssi = tgt_idle_tssi;
2475*4882a593Smuzhiyun 	gphy->lo_control = lo;
2476*4882a593Smuzhiyun 
2477*4882a593Smuzhiyun 	memset(gphy->minlowsig, 0xFF, sizeof(gphy->minlowsig));
2478*4882a593Smuzhiyun 
2479*4882a593Smuzhiyun 	/* NRSSI */
2480*4882a593Smuzhiyun 	for (i = 0; i < ARRAY_SIZE(gphy->nrssi); i++)
2481*4882a593Smuzhiyun 		gphy->nrssi[i] = -1000;
2482*4882a593Smuzhiyun 	for (i = 0; i < ARRAY_SIZE(gphy->nrssi_lt); i++)
2483*4882a593Smuzhiyun 		gphy->nrssi_lt[i] = i;
2484*4882a593Smuzhiyun 
2485*4882a593Smuzhiyun 	gphy->lofcal = 0xFFFF;
2486*4882a593Smuzhiyun 	gphy->initval = 0xFFFF;
2487*4882a593Smuzhiyun 
2488*4882a593Smuzhiyun 	gphy->interfmode = B43_INTERFMODE_NONE;
2489*4882a593Smuzhiyun 
2490*4882a593Smuzhiyun 	/* OFDM-table address caching. */
2491*4882a593Smuzhiyun 	gphy->ofdmtab_addr_direction = B43_OFDMTAB_DIRECTION_UNKNOWN;
2492*4882a593Smuzhiyun 
2493*4882a593Smuzhiyun 	gphy->average_tssi = 0xFF;
2494*4882a593Smuzhiyun 
2495*4882a593Smuzhiyun 	/* Local Osciallator structure */
2496*4882a593Smuzhiyun 	lo->tx_bias = 0xFF;
2497*4882a593Smuzhiyun 	INIT_LIST_HEAD(&lo->calib_list);
2498*4882a593Smuzhiyun }
2499*4882a593Smuzhiyun 
b43_gphy_op_free(struct b43_wldev * dev)2500*4882a593Smuzhiyun static void b43_gphy_op_free(struct b43_wldev *dev)
2501*4882a593Smuzhiyun {
2502*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
2503*4882a593Smuzhiyun 	struct b43_phy_g *gphy = phy->g;
2504*4882a593Smuzhiyun 
2505*4882a593Smuzhiyun 	kfree(gphy->lo_control);
2506*4882a593Smuzhiyun 
2507*4882a593Smuzhiyun 	if (gphy->dyn_tssi_tbl)
2508*4882a593Smuzhiyun 		kfree(gphy->tssi2dbm);
2509*4882a593Smuzhiyun 	gphy->dyn_tssi_tbl = false;
2510*4882a593Smuzhiyun 	gphy->tssi2dbm = NULL;
2511*4882a593Smuzhiyun 
2512*4882a593Smuzhiyun 	kfree(gphy);
2513*4882a593Smuzhiyun 	dev->phy.g = NULL;
2514*4882a593Smuzhiyun }
2515*4882a593Smuzhiyun 
b43_gphy_op_prepare_hardware(struct b43_wldev * dev)2516*4882a593Smuzhiyun static int b43_gphy_op_prepare_hardware(struct b43_wldev *dev)
2517*4882a593Smuzhiyun {
2518*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
2519*4882a593Smuzhiyun 	struct b43_phy_g *gphy = phy->g;
2520*4882a593Smuzhiyun 	struct b43_txpower_lo_control *lo = gphy->lo_control;
2521*4882a593Smuzhiyun 
2522*4882a593Smuzhiyun 	B43_WARN_ON(phy->type != B43_PHYTYPE_G);
2523*4882a593Smuzhiyun 
2524*4882a593Smuzhiyun 	default_baseband_attenuation(dev, &gphy->bbatt);
2525*4882a593Smuzhiyun 	default_radio_attenuation(dev, &gphy->rfatt);
2526*4882a593Smuzhiyun 	gphy->tx_control = (default_tx_control(dev) << 4);
2527*4882a593Smuzhiyun 	generate_rfatt_list(dev, &lo->rfatt_list);
2528*4882a593Smuzhiyun 	generate_bbatt_list(dev, &lo->bbatt_list);
2529*4882a593Smuzhiyun 
2530*4882a593Smuzhiyun 	/* Commit previous writes */
2531*4882a593Smuzhiyun 	b43_read32(dev, B43_MMIO_MACCTL);
2532*4882a593Smuzhiyun 
2533*4882a593Smuzhiyun 	if (phy->rev == 1) {
2534*4882a593Smuzhiyun 		/* Workaround: Temporarly disable gmode through the early init
2535*4882a593Smuzhiyun 		 * phase, as the gmode stuff is not needed for phy rev 1 */
2536*4882a593Smuzhiyun 		phy->gmode = false;
2537*4882a593Smuzhiyun 		b43_wireless_core_reset(dev, 0);
2538*4882a593Smuzhiyun 		b43_phy_initg(dev);
2539*4882a593Smuzhiyun 		phy->gmode = true;
2540*4882a593Smuzhiyun 		b43_wireless_core_reset(dev, 1);
2541*4882a593Smuzhiyun 	}
2542*4882a593Smuzhiyun 
2543*4882a593Smuzhiyun 	return 0;
2544*4882a593Smuzhiyun }
2545*4882a593Smuzhiyun 
b43_gphy_op_init(struct b43_wldev * dev)2546*4882a593Smuzhiyun static int b43_gphy_op_init(struct b43_wldev *dev)
2547*4882a593Smuzhiyun {
2548*4882a593Smuzhiyun 	b43_phy_initg(dev);
2549*4882a593Smuzhiyun 
2550*4882a593Smuzhiyun 	return 0;
2551*4882a593Smuzhiyun }
2552*4882a593Smuzhiyun 
b43_gphy_op_exit(struct b43_wldev * dev)2553*4882a593Smuzhiyun static void b43_gphy_op_exit(struct b43_wldev *dev)
2554*4882a593Smuzhiyun {
2555*4882a593Smuzhiyun 	b43_lo_g_cleanup(dev);
2556*4882a593Smuzhiyun }
2557*4882a593Smuzhiyun 
b43_gphy_op_read(struct b43_wldev * dev,u16 reg)2558*4882a593Smuzhiyun static u16 b43_gphy_op_read(struct b43_wldev *dev, u16 reg)
2559*4882a593Smuzhiyun {
2560*4882a593Smuzhiyun 	b43_write16f(dev, B43_MMIO_PHY_CONTROL, reg);
2561*4882a593Smuzhiyun 	return b43_read16(dev, B43_MMIO_PHY_DATA);
2562*4882a593Smuzhiyun }
2563*4882a593Smuzhiyun 
b43_gphy_op_write(struct b43_wldev * dev,u16 reg,u16 value)2564*4882a593Smuzhiyun static void b43_gphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
2565*4882a593Smuzhiyun {
2566*4882a593Smuzhiyun 	b43_write16f(dev, B43_MMIO_PHY_CONTROL, reg);
2567*4882a593Smuzhiyun 	b43_write16(dev, B43_MMIO_PHY_DATA, value);
2568*4882a593Smuzhiyun }
2569*4882a593Smuzhiyun 
b43_gphy_op_radio_read(struct b43_wldev * dev,u16 reg)2570*4882a593Smuzhiyun static u16 b43_gphy_op_radio_read(struct b43_wldev *dev, u16 reg)
2571*4882a593Smuzhiyun {
2572*4882a593Smuzhiyun 	/* Register 1 is a 32-bit register. */
2573*4882a593Smuzhiyun 	B43_WARN_ON(reg == 1);
2574*4882a593Smuzhiyun 	/* G-PHY needs 0x80 for read access. */
2575*4882a593Smuzhiyun 	reg |= 0x80;
2576*4882a593Smuzhiyun 
2577*4882a593Smuzhiyun 	b43_write16f(dev, B43_MMIO_RADIO_CONTROL, reg);
2578*4882a593Smuzhiyun 	return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
2579*4882a593Smuzhiyun }
2580*4882a593Smuzhiyun 
b43_gphy_op_radio_write(struct b43_wldev * dev,u16 reg,u16 value)2581*4882a593Smuzhiyun static void b43_gphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
2582*4882a593Smuzhiyun {
2583*4882a593Smuzhiyun 	/* Register 1 is a 32-bit register. */
2584*4882a593Smuzhiyun 	B43_WARN_ON(reg == 1);
2585*4882a593Smuzhiyun 
2586*4882a593Smuzhiyun 	b43_write16f(dev, B43_MMIO_RADIO_CONTROL, reg);
2587*4882a593Smuzhiyun 	b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
2588*4882a593Smuzhiyun }
2589*4882a593Smuzhiyun 
b43_gphy_op_supports_hwpctl(struct b43_wldev * dev)2590*4882a593Smuzhiyun static bool b43_gphy_op_supports_hwpctl(struct b43_wldev *dev)
2591*4882a593Smuzhiyun {
2592*4882a593Smuzhiyun 	return (dev->phy.rev >= 6);
2593*4882a593Smuzhiyun }
2594*4882a593Smuzhiyun 
b43_gphy_op_software_rfkill(struct b43_wldev * dev,bool blocked)2595*4882a593Smuzhiyun static void b43_gphy_op_software_rfkill(struct b43_wldev *dev,
2596*4882a593Smuzhiyun 					bool blocked)
2597*4882a593Smuzhiyun {
2598*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
2599*4882a593Smuzhiyun 	struct b43_phy_g *gphy = phy->g;
2600*4882a593Smuzhiyun 	unsigned int channel;
2601*4882a593Smuzhiyun 
2602*4882a593Smuzhiyun 	might_sleep();
2603*4882a593Smuzhiyun 
2604*4882a593Smuzhiyun 	if (!blocked) {
2605*4882a593Smuzhiyun 		/* Turn radio ON */
2606*4882a593Smuzhiyun 		if (phy->radio_on)
2607*4882a593Smuzhiyun 			return;
2608*4882a593Smuzhiyun 
2609*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0015, 0x8000);
2610*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0015, 0xCC00);
2611*4882a593Smuzhiyun 		b43_phy_write(dev, 0x0015, (phy->gmode ? 0x00C0 : 0x0000));
2612*4882a593Smuzhiyun 		if (gphy->radio_off_context.valid) {
2613*4882a593Smuzhiyun 			/* Restore the RFover values. */
2614*4882a593Smuzhiyun 			b43_phy_write(dev, B43_PHY_RFOVER,
2615*4882a593Smuzhiyun 				      gphy->radio_off_context.rfover);
2616*4882a593Smuzhiyun 			b43_phy_write(dev, B43_PHY_RFOVERVAL,
2617*4882a593Smuzhiyun 				      gphy->radio_off_context.rfoverval);
2618*4882a593Smuzhiyun 			gphy->radio_off_context.valid = false;
2619*4882a593Smuzhiyun 		}
2620*4882a593Smuzhiyun 		channel = phy->channel;
2621*4882a593Smuzhiyun 		b43_gphy_channel_switch(dev, 6, 1);
2622*4882a593Smuzhiyun 		b43_gphy_channel_switch(dev, channel, 0);
2623*4882a593Smuzhiyun 	} else {
2624*4882a593Smuzhiyun 		/* Turn radio OFF */
2625*4882a593Smuzhiyun 		u16 rfover, rfoverval;
2626*4882a593Smuzhiyun 
2627*4882a593Smuzhiyun 		rfover = b43_phy_read(dev, B43_PHY_RFOVER);
2628*4882a593Smuzhiyun 		rfoverval = b43_phy_read(dev, B43_PHY_RFOVERVAL);
2629*4882a593Smuzhiyun 		gphy->radio_off_context.rfover = rfover;
2630*4882a593Smuzhiyun 		gphy->radio_off_context.rfoverval = rfoverval;
2631*4882a593Smuzhiyun 		gphy->radio_off_context.valid = true;
2632*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_RFOVER, rfover | 0x008C);
2633*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_RFOVERVAL, rfoverval & 0xFF73);
2634*4882a593Smuzhiyun 	}
2635*4882a593Smuzhiyun }
2636*4882a593Smuzhiyun 
b43_gphy_op_switch_channel(struct b43_wldev * dev,unsigned int new_channel)2637*4882a593Smuzhiyun static int b43_gphy_op_switch_channel(struct b43_wldev *dev,
2638*4882a593Smuzhiyun 				      unsigned int new_channel)
2639*4882a593Smuzhiyun {
2640*4882a593Smuzhiyun 	if ((new_channel < 1) || (new_channel > 14))
2641*4882a593Smuzhiyun 		return -EINVAL;
2642*4882a593Smuzhiyun 	b43_gphy_channel_switch(dev, new_channel, 0);
2643*4882a593Smuzhiyun 
2644*4882a593Smuzhiyun 	return 0;
2645*4882a593Smuzhiyun }
2646*4882a593Smuzhiyun 
b43_gphy_op_get_default_chan(struct b43_wldev * dev)2647*4882a593Smuzhiyun static unsigned int b43_gphy_op_get_default_chan(struct b43_wldev *dev)
2648*4882a593Smuzhiyun {
2649*4882a593Smuzhiyun 	return 1; /* Default to channel 1 */
2650*4882a593Smuzhiyun }
2651*4882a593Smuzhiyun 
b43_gphy_op_set_rx_antenna(struct b43_wldev * dev,int antenna)2652*4882a593Smuzhiyun static void b43_gphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
2653*4882a593Smuzhiyun {
2654*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
2655*4882a593Smuzhiyun 	u16 tmp;
2656*4882a593Smuzhiyun 	int autodiv = 0;
2657*4882a593Smuzhiyun 
2658*4882a593Smuzhiyun 	if (antenna == B43_ANTENNA_AUTO0 || antenna == B43_ANTENNA_AUTO1)
2659*4882a593Smuzhiyun 		autodiv = 1;
2660*4882a593Smuzhiyun 
2661*4882a593Smuzhiyun 	b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_ANTDIVHELP);
2662*4882a593Smuzhiyun 
2663*4882a593Smuzhiyun 	b43_phy_maskset(dev, B43_PHY_BBANDCFG, ~B43_PHY_BBANDCFG_RXANT,
2664*4882a593Smuzhiyun 			(autodiv ? B43_ANTENNA_AUTO1 : antenna) <<
2665*4882a593Smuzhiyun 			B43_PHY_BBANDCFG_RXANT_SHIFT);
2666*4882a593Smuzhiyun 
2667*4882a593Smuzhiyun 	if (autodiv) {
2668*4882a593Smuzhiyun 		tmp = b43_phy_read(dev, B43_PHY_ANTDWELL);
2669*4882a593Smuzhiyun 		if (antenna == B43_ANTENNA_AUTO1)
2670*4882a593Smuzhiyun 			tmp &= ~B43_PHY_ANTDWELL_AUTODIV1;
2671*4882a593Smuzhiyun 		else
2672*4882a593Smuzhiyun 			tmp |= B43_PHY_ANTDWELL_AUTODIV1;
2673*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_ANTDWELL, tmp);
2674*4882a593Smuzhiyun 	}
2675*4882a593Smuzhiyun 
2676*4882a593Smuzhiyun 	tmp = b43_phy_read(dev, B43_PHY_ANTWRSETT);
2677*4882a593Smuzhiyun 	if (autodiv)
2678*4882a593Smuzhiyun 		tmp |= B43_PHY_ANTWRSETT_ARXDIV;
2679*4882a593Smuzhiyun 	else
2680*4882a593Smuzhiyun 		tmp &= ~B43_PHY_ANTWRSETT_ARXDIV;
2681*4882a593Smuzhiyun 	b43_phy_write(dev, B43_PHY_ANTWRSETT, tmp);
2682*4882a593Smuzhiyun 
2683*4882a593Smuzhiyun 	if (autodiv)
2684*4882a593Smuzhiyun 		b43_phy_set(dev, B43_PHY_ANTWRSETT, B43_PHY_ANTWRSETT_ARXDIV);
2685*4882a593Smuzhiyun 	else {
2686*4882a593Smuzhiyun 		b43_phy_mask(dev, B43_PHY_ANTWRSETT,
2687*4882a593Smuzhiyun 			     B43_PHY_ANTWRSETT_ARXDIV);
2688*4882a593Smuzhiyun 	}
2689*4882a593Smuzhiyun 
2690*4882a593Smuzhiyun 	if (phy->rev >= 2) {
2691*4882a593Smuzhiyun 		b43_phy_set(dev, B43_PHY_OFDM61, B43_PHY_OFDM61_10);
2692*4882a593Smuzhiyun 		b43_phy_maskset(dev, B43_PHY_DIVSRCHGAINBACK, 0xFF00, 0x15);
2693*4882a593Smuzhiyun 
2694*4882a593Smuzhiyun 		if (phy->rev == 2)
2695*4882a593Smuzhiyun 			b43_phy_write(dev, B43_PHY_ADIVRELATED, 8);
2696*4882a593Smuzhiyun 		else
2697*4882a593Smuzhiyun 			b43_phy_maskset(dev, B43_PHY_ADIVRELATED, 0xFF00, 8);
2698*4882a593Smuzhiyun 	}
2699*4882a593Smuzhiyun 	if (phy->rev >= 6)
2700*4882a593Smuzhiyun 		b43_phy_write(dev, B43_PHY_OFDM9B, 0xDC);
2701*4882a593Smuzhiyun 
2702*4882a593Smuzhiyun 	b43_hf_write(dev, b43_hf_read(dev) | B43_HF_ANTDIVHELP);
2703*4882a593Smuzhiyun }
2704*4882a593Smuzhiyun 
b43_gphy_op_interf_mitigation(struct b43_wldev * dev,enum b43_interference_mitigation mode)2705*4882a593Smuzhiyun static int b43_gphy_op_interf_mitigation(struct b43_wldev *dev,
2706*4882a593Smuzhiyun 					 enum b43_interference_mitigation mode)
2707*4882a593Smuzhiyun {
2708*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
2709*4882a593Smuzhiyun 	struct b43_phy_g *gphy = phy->g;
2710*4882a593Smuzhiyun 	int currentmode;
2711*4882a593Smuzhiyun 
2712*4882a593Smuzhiyun 	B43_WARN_ON(phy->type != B43_PHYTYPE_G);
2713*4882a593Smuzhiyun 	if ((phy->rev == 0) || (!phy->gmode))
2714*4882a593Smuzhiyun 		return -ENODEV;
2715*4882a593Smuzhiyun 
2716*4882a593Smuzhiyun 	gphy->aci_wlan_automatic = false;
2717*4882a593Smuzhiyun 	switch (mode) {
2718*4882a593Smuzhiyun 	case B43_INTERFMODE_AUTOWLAN:
2719*4882a593Smuzhiyun 		gphy->aci_wlan_automatic = true;
2720*4882a593Smuzhiyun 		if (gphy->aci_enable)
2721*4882a593Smuzhiyun 			mode = B43_INTERFMODE_MANUALWLAN;
2722*4882a593Smuzhiyun 		else
2723*4882a593Smuzhiyun 			mode = B43_INTERFMODE_NONE;
2724*4882a593Smuzhiyun 		break;
2725*4882a593Smuzhiyun 	case B43_INTERFMODE_NONE:
2726*4882a593Smuzhiyun 	case B43_INTERFMODE_NONWLAN:
2727*4882a593Smuzhiyun 	case B43_INTERFMODE_MANUALWLAN:
2728*4882a593Smuzhiyun 		break;
2729*4882a593Smuzhiyun 	default:
2730*4882a593Smuzhiyun 		return -EINVAL;
2731*4882a593Smuzhiyun 	}
2732*4882a593Smuzhiyun 
2733*4882a593Smuzhiyun 	currentmode = gphy->interfmode;
2734*4882a593Smuzhiyun 	if (currentmode == mode)
2735*4882a593Smuzhiyun 		return 0;
2736*4882a593Smuzhiyun 	if (currentmode != B43_INTERFMODE_NONE)
2737*4882a593Smuzhiyun 		b43_radio_interference_mitigation_disable(dev, currentmode);
2738*4882a593Smuzhiyun 
2739*4882a593Smuzhiyun 	if (mode == B43_INTERFMODE_NONE) {
2740*4882a593Smuzhiyun 		gphy->aci_enable = false;
2741*4882a593Smuzhiyun 		gphy->aci_hw_rssi = false;
2742*4882a593Smuzhiyun 	} else
2743*4882a593Smuzhiyun 		b43_radio_interference_mitigation_enable(dev, mode);
2744*4882a593Smuzhiyun 	gphy->interfmode = mode;
2745*4882a593Smuzhiyun 
2746*4882a593Smuzhiyun 	return 0;
2747*4882a593Smuzhiyun }
2748*4882a593Smuzhiyun 
2749*4882a593Smuzhiyun /* https://bcm-specs.sipsolutions.net/EstimatePowerOut
2750*4882a593Smuzhiyun  * This function converts a TSSI value to dBm in Q5.2
2751*4882a593Smuzhiyun  */
b43_gphy_estimate_power_out(struct b43_wldev * dev,s8 tssi)2752*4882a593Smuzhiyun static s8 b43_gphy_estimate_power_out(struct b43_wldev *dev, s8 tssi)
2753*4882a593Smuzhiyun {
2754*4882a593Smuzhiyun 	struct b43_phy_g *gphy = dev->phy.g;
2755*4882a593Smuzhiyun 	s8 dbm;
2756*4882a593Smuzhiyun 	s32 tmp;
2757*4882a593Smuzhiyun 
2758*4882a593Smuzhiyun 	tmp = (gphy->tgt_idle_tssi - gphy->cur_idle_tssi + tssi);
2759*4882a593Smuzhiyun 	tmp = clamp_val(tmp, 0x00, 0x3F);
2760*4882a593Smuzhiyun 	dbm = gphy->tssi2dbm[tmp];
2761*4882a593Smuzhiyun 
2762*4882a593Smuzhiyun 	return dbm;
2763*4882a593Smuzhiyun }
2764*4882a593Smuzhiyun 
b43_put_attenuation_into_ranges(struct b43_wldev * dev,int * _bbatt,int * _rfatt)2765*4882a593Smuzhiyun static void b43_put_attenuation_into_ranges(struct b43_wldev *dev,
2766*4882a593Smuzhiyun 					    int *_bbatt, int *_rfatt)
2767*4882a593Smuzhiyun {
2768*4882a593Smuzhiyun 	int rfatt = *_rfatt;
2769*4882a593Smuzhiyun 	int bbatt = *_bbatt;
2770*4882a593Smuzhiyun 	struct b43_txpower_lo_control *lo = dev->phy.g->lo_control;
2771*4882a593Smuzhiyun 
2772*4882a593Smuzhiyun 	/* Get baseband and radio attenuation values into their permitted ranges.
2773*4882a593Smuzhiyun 	 * Radio attenuation affects power level 4 times as much as baseband. */
2774*4882a593Smuzhiyun 
2775*4882a593Smuzhiyun 	/* Range constants */
2776*4882a593Smuzhiyun 	const int rf_min = lo->rfatt_list.min_val;
2777*4882a593Smuzhiyun 	const int rf_max = lo->rfatt_list.max_val;
2778*4882a593Smuzhiyun 	const int bb_min = lo->bbatt_list.min_val;
2779*4882a593Smuzhiyun 	const int bb_max = lo->bbatt_list.max_val;
2780*4882a593Smuzhiyun 
2781*4882a593Smuzhiyun 	while (1) {
2782*4882a593Smuzhiyun 		if (rfatt > rf_max && bbatt > bb_max - 4)
2783*4882a593Smuzhiyun 			break;	/* Can not get it into ranges */
2784*4882a593Smuzhiyun 		if (rfatt < rf_min && bbatt < bb_min + 4)
2785*4882a593Smuzhiyun 			break;	/* Can not get it into ranges */
2786*4882a593Smuzhiyun 		if (bbatt > bb_max && rfatt > rf_max - 1)
2787*4882a593Smuzhiyun 			break;	/* Can not get it into ranges */
2788*4882a593Smuzhiyun 		if (bbatt < bb_min && rfatt < rf_min + 1)
2789*4882a593Smuzhiyun 			break;	/* Can not get it into ranges */
2790*4882a593Smuzhiyun 
2791*4882a593Smuzhiyun 		if (bbatt > bb_max) {
2792*4882a593Smuzhiyun 			bbatt -= 4;
2793*4882a593Smuzhiyun 			rfatt += 1;
2794*4882a593Smuzhiyun 			continue;
2795*4882a593Smuzhiyun 		}
2796*4882a593Smuzhiyun 		if (bbatt < bb_min) {
2797*4882a593Smuzhiyun 			bbatt += 4;
2798*4882a593Smuzhiyun 			rfatt -= 1;
2799*4882a593Smuzhiyun 			continue;
2800*4882a593Smuzhiyun 		}
2801*4882a593Smuzhiyun 		if (rfatt > rf_max) {
2802*4882a593Smuzhiyun 			rfatt -= 1;
2803*4882a593Smuzhiyun 			bbatt += 4;
2804*4882a593Smuzhiyun 			continue;
2805*4882a593Smuzhiyun 		}
2806*4882a593Smuzhiyun 		if (rfatt < rf_min) {
2807*4882a593Smuzhiyun 			rfatt += 1;
2808*4882a593Smuzhiyun 			bbatt -= 4;
2809*4882a593Smuzhiyun 			continue;
2810*4882a593Smuzhiyun 		}
2811*4882a593Smuzhiyun 		break;
2812*4882a593Smuzhiyun 	}
2813*4882a593Smuzhiyun 
2814*4882a593Smuzhiyun 	*_rfatt = clamp_val(rfatt, rf_min, rf_max);
2815*4882a593Smuzhiyun 	*_bbatt = clamp_val(bbatt, bb_min, bb_max);
2816*4882a593Smuzhiyun }
2817*4882a593Smuzhiyun 
b43_gphy_op_adjust_txpower(struct b43_wldev * dev)2818*4882a593Smuzhiyun static void b43_gphy_op_adjust_txpower(struct b43_wldev *dev)
2819*4882a593Smuzhiyun {
2820*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
2821*4882a593Smuzhiyun 	struct b43_phy_g *gphy = phy->g;
2822*4882a593Smuzhiyun 	int rfatt, bbatt;
2823*4882a593Smuzhiyun 	u8 tx_control;
2824*4882a593Smuzhiyun 
2825*4882a593Smuzhiyun 	b43_mac_suspend(dev);
2826*4882a593Smuzhiyun 
2827*4882a593Smuzhiyun 	/* Calculate the new attenuation values. */
2828*4882a593Smuzhiyun 	bbatt = gphy->bbatt.att;
2829*4882a593Smuzhiyun 	bbatt += gphy->bbatt_delta;
2830*4882a593Smuzhiyun 	rfatt = gphy->rfatt.att;
2831*4882a593Smuzhiyun 	rfatt += gphy->rfatt_delta;
2832*4882a593Smuzhiyun 
2833*4882a593Smuzhiyun 	b43_put_attenuation_into_ranges(dev, &bbatt, &rfatt);
2834*4882a593Smuzhiyun 	tx_control = gphy->tx_control;
2835*4882a593Smuzhiyun 	if ((phy->radio_ver == 0x2050) && (phy->radio_rev == 2)) {
2836*4882a593Smuzhiyun 		if (rfatt <= 1) {
2837*4882a593Smuzhiyun 			if (tx_control == 0) {
2838*4882a593Smuzhiyun 				tx_control =
2839*4882a593Smuzhiyun 				    B43_TXCTL_PA2DB |
2840*4882a593Smuzhiyun 				    B43_TXCTL_TXMIX;
2841*4882a593Smuzhiyun 				rfatt += 2;
2842*4882a593Smuzhiyun 				bbatt += 2;
2843*4882a593Smuzhiyun 			} else if (dev->dev->bus_sprom->
2844*4882a593Smuzhiyun 				   boardflags_lo &
2845*4882a593Smuzhiyun 				   B43_BFL_PACTRL) {
2846*4882a593Smuzhiyun 				bbatt += 4 * (rfatt - 2);
2847*4882a593Smuzhiyun 				rfatt = 2;
2848*4882a593Smuzhiyun 			}
2849*4882a593Smuzhiyun 		} else if (rfatt > 4 && tx_control) {
2850*4882a593Smuzhiyun 			tx_control = 0;
2851*4882a593Smuzhiyun 			if (bbatt < 3) {
2852*4882a593Smuzhiyun 				rfatt -= 3;
2853*4882a593Smuzhiyun 				bbatt += 2;
2854*4882a593Smuzhiyun 			} else {
2855*4882a593Smuzhiyun 				rfatt -= 2;
2856*4882a593Smuzhiyun 				bbatt -= 2;
2857*4882a593Smuzhiyun 			}
2858*4882a593Smuzhiyun 		}
2859*4882a593Smuzhiyun 	}
2860*4882a593Smuzhiyun 	/* Save the control values */
2861*4882a593Smuzhiyun 	gphy->tx_control = tx_control;
2862*4882a593Smuzhiyun 	b43_put_attenuation_into_ranges(dev, &bbatt, &rfatt);
2863*4882a593Smuzhiyun 	gphy->rfatt.att = rfatt;
2864*4882a593Smuzhiyun 	gphy->bbatt.att = bbatt;
2865*4882a593Smuzhiyun 
2866*4882a593Smuzhiyun 	if (b43_debug(dev, B43_DBG_XMITPOWER))
2867*4882a593Smuzhiyun 		b43dbg(dev->wl, "Adjusting TX power\n");
2868*4882a593Smuzhiyun 
2869*4882a593Smuzhiyun 	/* Adjust the hardware */
2870*4882a593Smuzhiyun 	b43_phy_lock(dev);
2871*4882a593Smuzhiyun 	b43_radio_lock(dev);
2872*4882a593Smuzhiyun 	b43_set_txpower_g(dev, &gphy->bbatt, &gphy->rfatt,
2873*4882a593Smuzhiyun 			  gphy->tx_control);
2874*4882a593Smuzhiyun 	b43_radio_unlock(dev);
2875*4882a593Smuzhiyun 	b43_phy_unlock(dev);
2876*4882a593Smuzhiyun 
2877*4882a593Smuzhiyun 	b43_mac_enable(dev);
2878*4882a593Smuzhiyun }
2879*4882a593Smuzhiyun 
b43_gphy_op_recalc_txpower(struct b43_wldev * dev,bool ignore_tssi)2880*4882a593Smuzhiyun static enum b43_txpwr_result b43_gphy_op_recalc_txpower(struct b43_wldev *dev,
2881*4882a593Smuzhiyun 							bool ignore_tssi)
2882*4882a593Smuzhiyun {
2883*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
2884*4882a593Smuzhiyun 	struct b43_phy_g *gphy = phy->g;
2885*4882a593Smuzhiyun 	unsigned int average_tssi;
2886*4882a593Smuzhiyun 	int cck_result, ofdm_result;
2887*4882a593Smuzhiyun 	int estimated_pwr, desired_pwr, pwr_adjust;
2888*4882a593Smuzhiyun 	int rfatt_delta, bbatt_delta;
2889*4882a593Smuzhiyun 	unsigned int max_pwr;
2890*4882a593Smuzhiyun 
2891*4882a593Smuzhiyun 	/* First get the average TSSI */
2892*4882a593Smuzhiyun 	cck_result = b43_phy_shm_tssi_read(dev, B43_SHM_SH_TSSI_CCK);
2893*4882a593Smuzhiyun 	ofdm_result = b43_phy_shm_tssi_read(dev, B43_SHM_SH_TSSI_OFDM_G);
2894*4882a593Smuzhiyun 	if ((cck_result < 0) && (ofdm_result < 0)) {
2895*4882a593Smuzhiyun 		/* No TSSI information available */
2896*4882a593Smuzhiyun 		if (!ignore_tssi)
2897*4882a593Smuzhiyun 			goto no_adjustment_needed;
2898*4882a593Smuzhiyun 		cck_result = 0;
2899*4882a593Smuzhiyun 		ofdm_result = 0;
2900*4882a593Smuzhiyun 	}
2901*4882a593Smuzhiyun 	if (cck_result < 0)
2902*4882a593Smuzhiyun 		average_tssi = ofdm_result;
2903*4882a593Smuzhiyun 	else if (ofdm_result < 0)
2904*4882a593Smuzhiyun 		average_tssi = cck_result;
2905*4882a593Smuzhiyun 	else
2906*4882a593Smuzhiyun 		average_tssi = (cck_result + ofdm_result) / 2;
2907*4882a593Smuzhiyun 	/* Merge the average with the stored value. */
2908*4882a593Smuzhiyun 	if (likely(gphy->average_tssi != 0xFF))
2909*4882a593Smuzhiyun 		average_tssi = (average_tssi + gphy->average_tssi) / 2;
2910*4882a593Smuzhiyun 	gphy->average_tssi = average_tssi;
2911*4882a593Smuzhiyun 	B43_WARN_ON(average_tssi >= B43_TSSI_MAX);
2912*4882a593Smuzhiyun 
2913*4882a593Smuzhiyun 	/* Estimate the TX power emission based on the TSSI */
2914*4882a593Smuzhiyun 	estimated_pwr = b43_gphy_estimate_power_out(dev, average_tssi);
2915*4882a593Smuzhiyun 
2916*4882a593Smuzhiyun 	B43_WARN_ON(phy->type != B43_PHYTYPE_G);
2917*4882a593Smuzhiyun 	max_pwr = dev->dev->bus_sprom->maxpwr_bg;
2918*4882a593Smuzhiyun 	if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_PACTRL)
2919*4882a593Smuzhiyun 		max_pwr -= 3; /* minus 0.75 */
2920*4882a593Smuzhiyun 	if (unlikely(max_pwr >= INT_TO_Q52(30/*dBm*/))) {
2921*4882a593Smuzhiyun 		b43warn(dev->wl,
2922*4882a593Smuzhiyun 			"Invalid max-TX-power value in SPROM.\n");
2923*4882a593Smuzhiyun 		max_pwr = INT_TO_Q52(20); /* fake it */
2924*4882a593Smuzhiyun 		dev->dev->bus_sprom->maxpwr_bg = max_pwr;
2925*4882a593Smuzhiyun 	}
2926*4882a593Smuzhiyun 
2927*4882a593Smuzhiyun 	/* Get desired power (in Q5.2) */
2928*4882a593Smuzhiyun 	if (phy->desired_txpower < 0)
2929*4882a593Smuzhiyun 		desired_pwr = INT_TO_Q52(0);
2930*4882a593Smuzhiyun 	else
2931*4882a593Smuzhiyun 		desired_pwr = INT_TO_Q52(phy->desired_txpower);
2932*4882a593Smuzhiyun 	/* And limit it. max_pwr already is Q5.2 */
2933*4882a593Smuzhiyun 	desired_pwr = clamp_val(desired_pwr, 0, max_pwr);
2934*4882a593Smuzhiyun 	if (b43_debug(dev, B43_DBG_XMITPOWER)) {
2935*4882a593Smuzhiyun 		b43dbg(dev->wl,
2936*4882a593Smuzhiyun 		       "[TX power]  current = " Q52_FMT
2937*4882a593Smuzhiyun 		       " dBm,  desired = " Q52_FMT
2938*4882a593Smuzhiyun 		       " dBm,  max = " Q52_FMT "\n",
2939*4882a593Smuzhiyun 		       Q52_ARG(estimated_pwr),
2940*4882a593Smuzhiyun 		       Q52_ARG(desired_pwr),
2941*4882a593Smuzhiyun 		       Q52_ARG(max_pwr));
2942*4882a593Smuzhiyun 	}
2943*4882a593Smuzhiyun 
2944*4882a593Smuzhiyun 	/* Calculate the adjustment delta. */
2945*4882a593Smuzhiyun 	pwr_adjust = desired_pwr - estimated_pwr;
2946*4882a593Smuzhiyun 	if (pwr_adjust == 0)
2947*4882a593Smuzhiyun 		goto no_adjustment_needed;
2948*4882a593Smuzhiyun 
2949*4882a593Smuzhiyun 	/* RF attenuation delta. */
2950*4882a593Smuzhiyun 	rfatt_delta = ((pwr_adjust + 7) / 8);
2951*4882a593Smuzhiyun 	/* Lower attenuation => Bigger power output. Negate it. */
2952*4882a593Smuzhiyun 	rfatt_delta = -rfatt_delta;
2953*4882a593Smuzhiyun 
2954*4882a593Smuzhiyun 	/* Baseband attenuation delta. */
2955*4882a593Smuzhiyun 	bbatt_delta = pwr_adjust / 2;
2956*4882a593Smuzhiyun 	/* Lower attenuation => Bigger power output. Negate it. */
2957*4882a593Smuzhiyun 	bbatt_delta = -bbatt_delta;
2958*4882a593Smuzhiyun 	/* RF att affects power level 4 times as much as
2959*4882a593Smuzhiyun 	 * Baseband attennuation. Subtract it. */
2960*4882a593Smuzhiyun 	bbatt_delta -= 4 * rfatt_delta;
2961*4882a593Smuzhiyun 
2962*4882a593Smuzhiyun #if B43_DEBUG
2963*4882a593Smuzhiyun 	if (b43_debug(dev, B43_DBG_XMITPOWER)) {
2964*4882a593Smuzhiyun 		int dbm = pwr_adjust < 0 ? -pwr_adjust : pwr_adjust;
2965*4882a593Smuzhiyun 		b43dbg(dev->wl,
2966*4882a593Smuzhiyun 		       "[TX power deltas]  %s" Q52_FMT " dBm   =>   "
2967*4882a593Smuzhiyun 		       "bbatt-delta = %d,  rfatt-delta = %d\n",
2968*4882a593Smuzhiyun 		       (pwr_adjust < 0 ? "-" : ""), Q52_ARG(dbm),
2969*4882a593Smuzhiyun 		       bbatt_delta, rfatt_delta);
2970*4882a593Smuzhiyun 	}
2971*4882a593Smuzhiyun #endif /* DEBUG */
2972*4882a593Smuzhiyun 
2973*4882a593Smuzhiyun 	/* So do we finally need to adjust something in hardware? */
2974*4882a593Smuzhiyun 	if ((rfatt_delta == 0) && (bbatt_delta == 0))
2975*4882a593Smuzhiyun 		goto no_adjustment_needed;
2976*4882a593Smuzhiyun 
2977*4882a593Smuzhiyun 	/* Save the deltas for later when we adjust the power. */
2978*4882a593Smuzhiyun 	gphy->bbatt_delta = bbatt_delta;
2979*4882a593Smuzhiyun 	gphy->rfatt_delta = rfatt_delta;
2980*4882a593Smuzhiyun 
2981*4882a593Smuzhiyun 	/* We need to adjust the TX power on the device. */
2982*4882a593Smuzhiyun 	return B43_TXPWR_RES_NEED_ADJUST;
2983*4882a593Smuzhiyun 
2984*4882a593Smuzhiyun no_adjustment_needed:
2985*4882a593Smuzhiyun 	return B43_TXPWR_RES_DONE;
2986*4882a593Smuzhiyun }
2987*4882a593Smuzhiyun 
b43_gphy_op_pwork_15sec(struct b43_wldev * dev)2988*4882a593Smuzhiyun static void b43_gphy_op_pwork_15sec(struct b43_wldev *dev)
2989*4882a593Smuzhiyun {
2990*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
2991*4882a593Smuzhiyun 	struct b43_phy_g *gphy = phy->g;
2992*4882a593Smuzhiyun 
2993*4882a593Smuzhiyun 	b43_mac_suspend(dev);
2994*4882a593Smuzhiyun 	//TODO: update_aci_moving_average
2995*4882a593Smuzhiyun 	if (gphy->aci_enable && gphy->aci_wlan_automatic) {
2996*4882a593Smuzhiyun 		if (!gphy->aci_enable && 1 /*TODO: not scanning? */ ) {
2997*4882a593Smuzhiyun 			if (0 /*TODO: bunch of conditions */ ) {
2998*4882a593Smuzhiyun 				phy->ops->interf_mitigation(dev,
2999*4882a593Smuzhiyun 					B43_INTERFMODE_MANUALWLAN);
3000*4882a593Smuzhiyun 			}
3001*4882a593Smuzhiyun 		} else if (0 /*TODO*/) {
3002*4882a593Smuzhiyun 			   if (/*(aci_average > 1000) &&*/ !b43_gphy_aci_scan(dev))
3003*4882a593Smuzhiyun 				phy->ops->interf_mitigation(dev, B43_INTERFMODE_NONE);
3004*4882a593Smuzhiyun 		}
3005*4882a593Smuzhiyun 	} else if (gphy->interfmode == B43_INTERFMODE_NONWLAN &&
3006*4882a593Smuzhiyun 		   phy->rev == 1) {
3007*4882a593Smuzhiyun 		//TODO: implement rev1 workaround
3008*4882a593Smuzhiyun 	}
3009*4882a593Smuzhiyun 	b43_lo_g_maintenance_work(dev);
3010*4882a593Smuzhiyun 	b43_mac_enable(dev);
3011*4882a593Smuzhiyun }
3012*4882a593Smuzhiyun 
b43_gphy_op_pwork_60sec(struct b43_wldev * dev)3013*4882a593Smuzhiyun static void b43_gphy_op_pwork_60sec(struct b43_wldev *dev)
3014*4882a593Smuzhiyun {
3015*4882a593Smuzhiyun 	struct b43_phy *phy = &dev->phy;
3016*4882a593Smuzhiyun 
3017*4882a593Smuzhiyun 	if (!(dev->dev->bus_sprom->boardflags_lo & B43_BFL_RSSI))
3018*4882a593Smuzhiyun 		return;
3019*4882a593Smuzhiyun 
3020*4882a593Smuzhiyun 	b43_mac_suspend(dev);
3021*4882a593Smuzhiyun 	b43_calc_nrssi_slope(dev);
3022*4882a593Smuzhiyun 	if ((phy->radio_ver == 0x2050) && (phy->radio_rev == 8)) {
3023*4882a593Smuzhiyun 		u8 old_chan = phy->channel;
3024*4882a593Smuzhiyun 
3025*4882a593Smuzhiyun 		/* VCO Calibration */
3026*4882a593Smuzhiyun 		if (old_chan >= 8)
3027*4882a593Smuzhiyun 			b43_switch_channel(dev, 1);
3028*4882a593Smuzhiyun 		else
3029*4882a593Smuzhiyun 			b43_switch_channel(dev, 13);
3030*4882a593Smuzhiyun 		b43_switch_channel(dev, old_chan);
3031*4882a593Smuzhiyun 	}
3032*4882a593Smuzhiyun 	b43_mac_enable(dev);
3033*4882a593Smuzhiyun }
3034*4882a593Smuzhiyun 
3035*4882a593Smuzhiyun const struct b43_phy_operations b43_phyops_g = {
3036*4882a593Smuzhiyun 	.allocate		= b43_gphy_op_allocate,
3037*4882a593Smuzhiyun 	.free			= b43_gphy_op_free,
3038*4882a593Smuzhiyun 	.prepare_structs	= b43_gphy_op_prepare_structs,
3039*4882a593Smuzhiyun 	.prepare_hardware	= b43_gphy_op_prepare_hardware,
3040*4882a593Smuzhiyun 	.init			= b43_gphy_op_init,
3041*4882a593Smuzhiyun 	.exit			= b43_gphy_op_exit,
3042*4882a593Smuzhiyun 	.phy_read		= b43_gphy_op_read,
3043*4882a593Smuzhiyun 	.phy_write		= b43_gphy_op_write,
3044*4882a593Smuzhiyun 	.radio_read		= b43_gphy_op_radio_read,
3045*4882a593Smuzhiyun 	.radio_write		= b43_gphy_op_radio_write,
3046*4882a593Smuzhiyun 	.supports_hwpctl	= b43_gphy_op_supports_hwpctl,
3047*4882a593Smuzhiyun 	.software_rfkill	= b43_gphy_op_software_rfkill,
3048*4882a593Smuzhiyun 	.switch_analog		= b43_phyop_switch_analog_generic,
3049*4882a593Smuzhiyun 	.switch_channel		= b43_gphy_op_switch_channel,
3050*4882a593Smuzhiyun 	.get_default_chan	= b43_gphy_op_get_default_chan,
3051*4882a593Smuzhiyun 	.set_rx_antenna		= b43_gphy_op_set_rx_antenna,
3052*4882a593Smuzhiyun 	.interf_mitigation	= b43_gphy_op_interf_mitigation,
3053*4882a593Smuzhiyun 	.recalc_txpower		= b43_gphy_op_recalc_txpower,
3054*4882a593Smuzhiyun 	.adjust_txpower		= b43_gphy_op_adjust_txpower,
3055*4882a593Smuzhiyun 	.pwork_15sec		= b43_gphy_op_pwork_15sec,
3056*4882a593Smuzhiyun 	.pwork_60sec		= b43_gphy_op_pwork_60sec,
3057*4882a593Smuzhiyun };
3058