1 /*
2 
3   Broadcom B43 wireless driver
4   IEEE 802.11a PHY driver
5 
6   Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
7   Copyright (c) 2005-2007 Stefano Brivio <stefano.brivio@polimi.it>
8   Copyright (c) 2005-2008 Michael Buesch <m@bues.ch>
9   Copyright (c) 2005, 2006 Danny van Dyk <kugelfang@gentoo.org>
10   Copyright (c) 2005, 2006 Andreas Jaggi <andreas.jaggi@waterwave.ch>
11 
12   This program is free software; you can redistribute it and/or modify
13   it under the terms of the GNU General Public License as published by
14   the Free Software Foundation; either version 2 of the License, or
15   (at your option) any later version.
16 
17   This program is distributed in the hope that it will be useful,
18   but WITHOUT ANY WARRANTY; without even the implied warranty of
19   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20   GNU General Public License for more details.
21 
22   You should have received a copy of the GNU General Public License
23   along with this program; see the file COPYING.  If not, write to
24   the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
25   Boston, MA 02110-1301, USA.
26 
27 */
28 
29 #include <linux/slab.h>
30 
31 #include "b43.h"
32 #include "phy_a.h"
33 #include "phy_common.h"
34 #include "wa.h"
35 #include "tables.h"
36 #include "main.h"
37 
38 
39 /* Get the freq, as it has to be written to the device. */
channel2freq_a(u8 channel)40 static inline u16 channel2freq_a(u8 channel)
41 {
42 	B43_WARN_ON(channel > 200);
43 
44 	return (5000 + 5 * channel);
45 }
46 
freq_r3A_value(u16 frequency)47 static inline u16 freq_r3A_value(u16 frequency)
48 {
49 	u16 value;
50 
51 	if (frequency < 5091)
52 		value = 0x0040;
53 	else if (frequency < 5321)
54 		value = 0x0000;
55 	else if (frequency < 5806)
56 		value = 0x0080;
57 	else
58 		value = 0x0040;
59 
60 	return value;
61 }
62 
63 #if 0
64 /* This function converts a TSSI value to dBm in Q5.2 */
65 static s8 b43_aphy_estimate_power_out(struct b43_wldev *dev, s8 tssi)
66 {
67 	struct b43_phy *phy = &dev->phy;
68 	struct b43_phy_a *aphy = phy->a;
69 	s8 dbm = 0;
70 	s32 tmp;
71 
72 	tmp = (aphy->tgt_idle_tssi - aphy->cur_idle_tssi + tssi);
73 	tmp += 0x80;
74 	tmp = clamp_val(tmp, 0x00, 0xFF);
75 	dbm = aphy->tssi2dbm[tmp];
76 	//TODO: There's a FIXME on the specs
77 
78 	return dbm;
79 }
80 #endif
81 
b43_radio_set_tx_iq(struct b43_wldev * dev)82 static void b43_radio_set_tx_iq(struct b43_wldev *dev)
83 {
84 	static const u8 data_high[5] = { 0x00, 0x40, 0x80, 0x90, 0xD0 };
85 	static const u8 data_low[5] = { 0x00, 0x01, 0x05, 0x06, 0x0A };
86 	u16 tmp = b43_radio_read16(dev, 0x001E);
87 	int i, j;
88 
89 	for (i = 0; i < 5; i++) {
90 		for (j = 0; j < 5; j++) {
91 			if (tmp == (data_high[i] << 4 | data_low[j])) {
92 				b43_phy_write(dev, 0x0069,
93 					      (i - j) << 8 | 0x00C0);
94 				return;
95 			}
96 		}
97 	}
98 }
99 
aphy_channel_switch(struct b43_wldev * dev,unsigned int channel)100 static void aphy_channel_switch(struct b43_wldev *dev, unsigned int channel)
101 {
102 	u16 freq, r8, tmp;
103 
104 	freq = channel2freq_a(channel);
105 
106 	r8 = b43_radio_read16(dev, 0x0008);
107 	b43_write16(dev, 0x03F0, freq);
108 	b43_radio_write16(dev, 0x0008, r8);
109 
110 	//TODO: write max channel TX power? to Radio 0x2D
111 	tmp = b43_radio_read16(dev, 0x002E);
112 	tmp &= 0x0080;
113 	//TODO: OR tmp with the Power out estimation for this channel?
114 	b43_radio_write16(dev, 0x002E, tmp);
115 
116 	if (freq >= 4920 && freq <= 5500) {
117 		/*
118 		 * r8 = (((freq * 15 * 0xE1FC780F) >> 32) / 29) & 0x0F;
119 		 *    = (freq * 0.025862069
120 		 */
121 		r8 = 3 * freq / 116;	/* is equal to r8 = freq * 0.025862 */
122 	}
123 	b43_radio_write16(dev, 0x0007, (r8 << 4) | r8);
124 	b43_radio_write16(dev, 0x0020, (r8 << 4) | r8);
125 	b43_radio_write16(dev, 0x0021, (r8 << 4) | r8);
126 	b43_radio_maskset(dev, 0x0022, 0x000F, (r8 << 4));
127 	b43_radio_write16(dev, 0x002A, (r8 << 4));
128 	b43_radio_write16(dev, 0x002B, (r8 << 4));
129 	b43_radio_maskset(dev, 0x0008, 0x00F0, (r8 << 4));
130 	b43_radio_maskset(dev, 0x0029, 0xFF0F, 0x00B0);
131 	b43_radio_write16(dev, 0x0035, 0x00AA);
132 	b43_radio_write16(dev, 0x0036, 0x0085);
133 	b43_radio_maskset(dev, 0x003A, 0xFF20, freq_r3A_value(freq));
134 	b43_radio_mask(dev, 0x003D, 0x00FF);
135 	b43_radio_maskset(dev, 0x0081, 0xFF7F, 0x0080);
136 	b43_radio_mask(dev, 0x0035, 0xFFEF);
137 	b43_radio_maskset(dev, 0x0035, 0xFFEF, 0x0010);
138 	b43_radio_set_tx_iq(dev);
139 	//TODO: TSSI2dbm workaround
140 //FIXME	b43_phy_xmitpower(dev);
141 }
142 
b43_radio_init2060(struct b43_wldev * dev)143 static void b43_radio_init2060(struct b43_wldev *dev)
144 {
145 	b43_radio_write16(dev, 0x0004, 0x00C0);
146 	b43_radio_write16(dev, 0x0005, 0x0008);
147 	b43_radio_write16(dev, 0x0009, 0x0040);
148 	b43_radio_write16(dev, 0x0005, 0x00AA);
149 	b43_radio_write16(dev, 0x0032, 0x008F);
150 	b43_radio_write16(dev, 0x0006, 0x008F);
151 	b43_radio_write16(dev, 0x0034, 0x008F);
152 	b43_radio_write16(dev, 0x002C, 0x0007);
153 	b43_radio_write16(dev, 0x0082, 0x0080);
154 	b43_radio_write16(dev, 0x0080, 0x0000);
155 	b43_radio_write16(dev, 0x003F, 0x00DA);
156 	b43_radio_mask(dev, 0x0005, ~0x0008);
157 	b43_radio_mask(dev, 0x0081, ~0x0010);
158 	b43_radio_mask(dev, 0x0081, ~0x0020);
159 	b43_radio_mask(dev, 0x0081, ~0x0020);
160 	msleep(1);		/* delay 400usec */
161 
162 	b43_radio_maskset(dev, 0x0081, ~0x0020, 0x0010);
163 	msleep(1);		/* delay 400usec */
164 
165 	b43_radio_maskset(dev, 0x0005, ~0x0008, 0x0008);
166 	b43_radio_mask(dev, 0x0085, ~0x0010);
167 	b43_radio_mask(dev, 0x0005, ~0x0008);
168 	b43_radio_mask(dev, 0x0081, ~0x0040);
169 	b43_radio_maskset(dev, 0x0081, ~0x0040, 0x0040);
170 	b43_radio_write16(dev, 0x0005,
171 			  (b43_radio_read16(dev, 0x0081) & ~0x0008) | 0x0008);
172 	b43_phy_write(dev, 0x0063, 0xDDC6);
173 	b43_phy_write(dev, 0x0069, 0x07BE);
174 	b43_phy_write(dev, 0x006A, 0x0000);
175 
176 	aphy_channel_switch(dev, dev->phy.ops->get_default_chan(dev));
177 
178 	msleep(1);
179 }
180 
b43_phy_rssiagc(struct b43_wldev * dev,u8 enable)181 static void b43_phy_rssiagc(struct b43_wldev *dev, u8 enable)
182 {
183 	int i;
184 
185 	if (dev->phy.rev < 3) {
186 		if (enable)
187 			for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++) {
188 				b43_ofdmtab_write16(dev,
189 					B43_OFDMTAB_LNAHPFGAIN1, i, 0xFFF8);
190 				b43_ofdmtab_write16(dev,
191 					B43_OFDMTAB_WRSSI, i, 0xFFF8);
192 			}
193 		else
194 			for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++) {
195 				b43_ofdmtab_write16(dev,
196 					B43_OFDMTAB_LNAHPFGAIN1, i, b43_tab_rssiagc1[i]);
197 				b43_ofdmtab_write16(dev,
198 					B43_OFDMTAB_WRSSI, i, b43_tab_rssiagc1[i]);
199 			}
200 	} else {
201 		if (enable)
202 			for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++)
203 				b43_ofdmtab_write16(dev,
204 					B43_OFDMTAB_WRSSI, i, 0x0820);
205 		else
206 			for (i = 0; i < B43_TAB_RSSIAGC2_SIZE; i++)
207 				b43_ofdmtab_write16(dev,
208 					B43_OFDMTAB_WRSSI, i, b43_tab_rssiagc2[i]);
209 	}
210 }
211 
b43_phy_ww(struct b43_wldev * dev)212 static void b43_phy_ww(struct b43_wldev *dev)
213 {
214 	u16 b, curr_s, best_s = 0xFFFF;
215 	int i;
216 
217 	b43_phy_mask(dev, B43_PHY_CRS0, ~B43_PHY_CRS0_EN);
218 	b43_phy_set(dev, B43_PHY_OFDM(0x1B), 0x1000);
219 	b43_phy_maskset(dev, B43_PHY_OFDM(0x82), 0xF0FF, 0x0300);
220 	b43_radio_set(dev, 0x0009, 0x0080);
221 	b43_radio_maskset(dev, 0x0012, 0xFFFC, 0x0002);
222 	b43_wa_initgains(dev);
223 	b43_phy_write(dev, B43_PHY_OFDM(0xBA), 0x3ED5);
224 	b = b43_phy_read(dev, B43_PHY_PWRDOWN);
225 	b43_phy_write(dev, B43_PHY_PWRDOWN, (b & 0xFFF8) | 0x0005);
226 	b43_radio_set(dev, 0x0004, 0x0004);
227 	for (i = 0x10; i <= 0x20; i++) {
228 		b43_radio_write16(dev, 0x0013, i);
229 		curr_s = b43_phy_read(dev, B43_PHY_OTABLEQ) & 0x00FF;
230 		if (!curr_s) {
231 			best_s = 0x0000;
232 			break;
233 		} else if (curr_s >= 0x0080)
234 			curr_s = 0x0100 - curr_s;
235 		if (curr_s < best_s)
236 			best_s = curr_s;
237 	}
238 	b43_phy_write(dev, B43_PHY_PWRDOWN, b);
239 	b43_radio_mask(dev, 0x0004, 0xFFFB);
240 	b43_radio_write16(dev, 0x0013, best_s);
241 	b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1_R1, 0, 0xFFEC);
242 	b43_phy_write(dev, B43_PHY_OFDM(0xB7), 0x1E80);
243 	b43_phy_write(dev, B43_PHY_OFDM(0xB6), 0x1C00);
244 	b43_phy_write(dev, B43_PHY_OFDM(0xB5), 0x0EC0);
245 	b43_phy_write(dev, B43_PHY_OFDM(0xB2), 0x00C0);
246 	b43_phy_write(dev, B43_PHY_OFDM(0xB9), 0x1FFF);
247 	b43_phy_maskset(dev, B43_PHY_OFDM(0xBB), 0xF000, 0x0053);
248 	b43_phy_maskset(dev, B43_PHY_OFDM61, 0xFE1F, 0x0120);
249 	b43_phy_maskset(dev, B43_PHY_OFDM(0x13), 0x0FFF, 0x3000);
250 	b43_phy_maskset(dev, B43_PHY_OFDM(0x14), 0x0FFF, 0x3000);
251 	b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 6, 0x0017);
252 	for (i = 0; i < 6; i++)
253 		b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, i, 0x000F);
254 	b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0D, 0x000E);
255 	b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0E, 0x0011);
256 	b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0F, 0x0013);
257 	b43_phy_write(dev, B43_PHY_OFDM(0x33), 0x5030);
258 	b43_phy_set(dev, B43_PHY_CRS0, B43_PHY_CRS0_EN);
259 }
260 
hardware_pctl_init_aphy(struct b43_wldev * dev)261 static void hardware_pctl_init_aphy(struct b43_wldev *dev)
262 {
263 	//TODO
264 }
265 
b43_phy_inita(struct b43_wldev * dev)266 void b43_phy_inita(struct b43_wldev *dev)
267 {
268 	struct b43_phy *phy = &dev->phy;
269 
270 	/* This lowlevel A-PHY init is also called from G-PHY init.
271 	 * So we must not access phy->a, if called from G-PHY code.
272 	 */
273 	B43_WARN_ON((phy->type != B43_PHYTYPE_A) &&
274 		    (phy->type != B43_PHYTYPE_G));
275 
276 	might_sleep();
277 
278 	if (phy->rev >= 6) {
279 		if (phy->type == B43_PHYTYPE_A)
280 			b43_phy_mask(dev, B43_PHY_OFDM(0x1B), ~0x1000);
281 		if (b43_phy_read(dev, B43_PHY_ENCORE) & B43_PHY_ENCORE_EN)
282 			b43_phy_set(dev, B43_PHY_ENCORE, 0x0010);
283 		else
284 			b43_phy_mask(dev, B43_PHY_ENCORE, ~0x1010);
285 	}
286 
287 	b43_wa_all(dev);
288 
289 	if (phy->type == B43_PHYTYPE_A) {
290 		if (phy->gmode && (phy->rev < 3))
291 			b43_phy_set(dev, 0x0034, 0x0001);
292 		b43_phy_rssiagc(dev, 0);
293 
294 		b43_phy_set(dev, B43_PHY_CRS0, B43_PHY_CRS0_EN);
295 
296 		b43_radio_init2060(dev);
297 
298 		if ((dev->dev->board_vendor == SSB_BOARDVENDOR_BCM) &&
299 		    ((dev->dev->board_type == SSB_BOARD_BU4306) ||
300 		     (dev->dev->board_type == SSB_BOARD_BU4309))) {
301 			; //TODO: A PHY LO
302 		}
303 
304 		if (phy->rev >= 3)
305 			b43_phy_ww(dev);
306 
307 		hardware_pctl_init_aphy(dev);
308 
309 		//TODO: radar detection
310 	}
311 
312 	if ((phy->type == B43_PHYTYPE_G) &&
313 	    (dev->dev->bus_sprom->boardflags_lo & B43_BFL_PACTRL)) {
314 		b43_phy_maskset(dev, B43_PHY_OFDM(0x6E), 0xE000, 0x3CF);
315 	}
316 }
317 
318 /* Initialise the TSSI->dBm lookup table */
b43_aphy_init_tssi2dbm_table(struct b43_wldev * dev)319 static int b43_aphy_init_tssi2dbm_table(struct b43_wldev *dev)
320 {
321 	struct b43_phy *phy = &dev->phy;
322 	struct b43_phy_a *aphy = phy->a;
323 	s16 pab0, pab1, pab2;
324 
325 	pab0 = (s16) (dev->dev->bus_sprom->pa1b0);
326 	pab1 = (s16) (dev->dev->bus_sprom->pa1b1);
327 	pab2 = (s16) (dev->dev->bus_sprom->pa1b2);
328 
329 	if (pab0 != 0 && pab1 != 0 && pab2 != 0 &&
330 	    pab0 != -1 && pab1 != -1 && pab2 != -1) {
331 		/* The pabX values are set in SPROM. Use them. */
332 		if ((s8) dev->dev->bus_sprom->itssi_a != 0 &&
333 		    (s8) dev->dev->bus_sprom->itssi_a != -1)
334 			aphy->tgt_idle_tssi =
335 			    (s8) (dev->dev->bus_sprom->itssi_a);
336 		else
337 			aphy->tgt_idle_tssi = 62;
338 		aphy->tssi2dbm = b43_generate_dyn_tssi2dbm_tab(dev, pab0,
339 							       pab1, pab2);
340 		if (!aphy->tssi2dbm)
341 			return -ENOMEM;
342 	} else {
343 		/* pabX values not set in SPROM,
344 		 * but APHY needs a generated table. */
345 		aphy->tssi2dbm = NULL;
346 		b43err(dev->wl, "Could not generate tssi2dBm "
347 		       "table (wrong SPROM info)!\n");
348 		return -ENODEV;
349 	}
350 
351 	return 0;
352 }
353 
b43_aphy_op_allocate(struct b43_wldev * dev)354 static int b43_aphy_op_allocate(struct b43_wldev *dev)
355 {
356 	struct b43_phy_a *aphy;
357 	int err;
358 
359 	aphy = kzalloc(sizeof(*aphy), GFP_KERNEL);
360 	if (!aphy)
361 		return -ENOMEM;
362 	dev->phy.a = aphy;
363 
364 	err = b43_aphy_init_tssi2dbm_table(dev);
365 	if (err)
366 		goto err_free_aphy;
367 
368 	return 0;
369 
370 err_free_aphy:
371 	kfree(aphy);
372 	dev->phy.a = NULL;
373 
374 	return err;
375 }
376 
b43_aphy_op_prepare_structs(struct b43_wldev * dev)377 static void b43_aphy_op_prepare_structs(struct b43_wldev *dev)
378 {
379 	struct b43_phy *phy = &dev->phy;
380 	struct b43_phy_a *aphy = phy->a;
381 	const void *tssi2dbm;
382 	int tgt_idle_tssi;
383 
384 	/* tssi2dbm table is constant, so it is initialized at alloc time.
385 	 * Save a copy of the pointer. */
386 	tssi2dbm = aphy->tssi2dbm;
387 	tgt_idle_tssi = aphy->tgt_idle_tssi;
388 
389 	/* Zero out the whole PHY structure. */
390 	memset(aphy, 0, sizeof(*aphy));
391 
392 	aphy->tssi2dbm = tssi2dbm;
393 	aphy->tgt_idle_tssi = tgt_idle_tssi;
394 
395 	//TODO init struct b43_phy_a
396 
397 }
398 
b43_aphy_op_free(struct b43_wldev * dev)399 static void b43_aphy_op_free(struct b43_wldev *dev)
400 {
401 	struct b43_phy *phy = &dev->phy;
402 	struct b43_phy_a *aphy = phy->a;
403 
404 	kfree(aphy->tssi2dbm);
405 	aphy->tssi2dbm = NULL;
406 
407 	kfree(aphy);
408 	dev->phy.a = NULL;
409 }
410 
b43_aphy_op_init(struct b43_wldev * dev)411 static int b43_aphy_op_init(struct b43_wldev *dev)
412 {
413 	b43_phy_inita(dev);
414 
415 	return 0;
416 }
417 
adjust_phyreg(struct b43_wldev * dev,u16 offset)418 static inline u16 adjust_phyreg(struct b43_wldev *dev, u16 offset)
419 {
420 	/* OFDM registers are base-registers for the A-PHY. */
421 	if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) {
422 		offset &= ~B43_PHYROUTE;
423 		offset |= B43_PHYROUTE_BASE;
424 	}
425 
426 #if B43_DEBUG
427 	if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) {
428 		/* Ext-G registers are only available on G-PHYs */
429 		b43err(dev->wl, "Invalid EXT-G PHY access at "
430 		       "0x%04X on A-PHY\n", offset);
431 		dump_stack();
432 	}
433 	if ((offset & B43_PHYROUTE) == B43_PHYROUTE_N_BMODE) {
434 		/* N-BMODE registers are only available on N-PHYs */
435 		b43err(dev->wl, "Invalid N-BMODE PHY access at "
436 		       "0x%04X on A-PHY\n", offset);
437 		dump_stack();
438 	}
439 #endif /* B43_DEBUG */
440 
441 	return offset;
442 }
443 
b43_aphy_op_read(struct b43_wldev * dev,u16 reg)444 static u16 b43_aphy_op_read(struct b43_wldev *dev, u16 reg)
445 {
446 	reg = adjust_phyreg(dev, reg);
447 	b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
448 	return b43_read16(dev, B43_MMIO_PHY_DATA);
449 }
450 
b43_aphy_op_write(struct b43_wldev * dev,u16 reg,u16 value)451 static void b43_aphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
452 {
453 	reg = adjust_phyreg(dev, reg);
454 	b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
455 	b43_write16(dev, B43_MMIO_PHY_DATA, value);
456 }
457 
b43_aphy_op_radio_read(struct b43_wldev * dev,u16 reg)458 static u16 b43_aphy_op_radio_read(struct b43_wldev *dev, u16 reg)
459 {
460 	/* Register 1 is a 32-bit register. */
461 	B43_WARN_ON(reg == 1);
462 	/* A-PHY needs 0x40 for read access */
463 	reg |= 0x40;
464 
465 	b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
466 	return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
467 }
468 
b43_aphy_op_radio_write(struct b43_wldev * dev,u16 reg,u16 value)469 static void b43_aphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
470 {
471 	/* Register 1 is a 32-bit register. */
472 	B43_WARN_ON(reg == 1);
473 
474 	b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
475 	b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
476 }
477 
b43_aphy_op_supports_hwpctl(struct b43_wldev * dev)478 static bool b43_aphy_op_supports_hwpctl(struct b43_wldev *dev)
479 {
480 	return (dev->phy.rev >= 5);
481 }
482 
b43_aphy_op_software_rfkill(struct b43_wldev * dev,bool blocked)483 static void b43_aphy_op_software_rfkill(struct b43_wldev *dev,
484 					bool blocked)
485 {
486 	struct b43_phy *phy = &dev->phy;
487 
488 	if (!blocked) {
489 		if (phy->radio_on)
490 			return;
491 		b43_radio_write16(dev, 0x0004, 0x00C0);
492 		b43_radio_write16(dev, 0x0005, 0x0008);
493 		b43_phy_mask(dev, 0x0010, 0xFFF7);
494 		b43_phy_mask(dev, 0x0011, 0xFFF7);
495 		b43_radio_init2060(dev);
496 	} else {
497 		b43_radio_write16(dev, 0x0004, 0x00FF);
498 		b43_radio_write16(dev, 0x0005, 0x00FB);
499 		b43_phy_set(dev, 0x0010, 0x0008);
500 		b43_phy_set(dev, 0x0011, 0x0008);
501 	}
502 }
503 
b43_aphy_op_switch_channel(struct b43_wldev * dev,unsigned int new_channel)504 static int b43_aphy_op_switch_channel(struct b43_wldev *dev,
505 				      unsigned int new_channel)
506 {
507 	if (new_channel > 200)
508 		return -EINVAL;
509 	aphy_channel_switch(dev, new_channel);
510 
511 	return 0;
512 }
513 
b43_aphy_op_get_default_chan(struct b43_wldev * dev)514 static unsigned int b43_aphy_op_get_default_chan(struct b43_wldev *dev)
515 {
516 	return 36; /* Default to channel 36 */
517 }
518 
b43_aphy_op_set_rx_antenna(struct b43_wldev * dev,int antenna)519 static void b43_aphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
520 {//TODO
521 	struct b43_phy *phy = &dev->phy;
522 	u16 tmp;
523 	int autodiv = 0;
524 
525 	if (antenna == B43_ANTENNA_AUTO0 || antenna == B43_ANTENNA_AUTO1)
526 		autodiv = 1;
527 
528 	b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_ANTDIVHELP);
529 
530 	b43_phy_maskset(dev, B43_PHY_BBANDCFG, ~B43_PHY_BBANDCFG_RXANT,
531 			(autodiv ? B43_ANTENNA_AUTO1 : antenna) <<
532 			B43_PHY_BBANDCFG_RXANT_SHIFT);
533 
534 	if (autodiv) {
535 		tmp = b43_phy_read(dev, B43_PHY_ANTDWELL);
536 		if (antenna == B43_ANTENNA_AUTO1)
537 			tmp &= ~B43_PHY_ANTDWELL_AUTODIV1;
538 		else
539 			tmp |= B43_PHY_ANTDWELL_AUTODIV1;
540 		b43_phy_write(dev, B43_PHY_ANTDWELL, tmp);
541 	}
542 	if (phy->rev < 3)
543 		b43_phy_maskset(dev, B43_PHY_ANTDWELL, 0xFF00, 0x24);
544 	else {
545 		b43_phy_set(dev, B43_PHY_OFDM61, 0x10);
546 		if (phy->rev == 3) {
547 			b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT, 0x1D);
548 			b43_phy_write(dev, B43_PHY_ADIVRELATED, 8);
549 		} else {
550 			b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT, 0x3A);
551 			b43_phy_maskset(dev, B43_PHY_ADIVRELATED, 0xFF00, 8);
552 		}
553 	}
554 
555 	b43_hf_write(dev, b43_hf_read(dev) | B43_HF_ANTDIVHELP);
556 }
557 
b43_aphy_op_adjust_txpower(struct b43_wldev * dev)558 static void b43_aphy_op_adjust_txpower(struct b43_wldev *dev)
559 {//TODO
560 }
561 
b43_aphy_op_recalc_txpower(struct b43_wldev * dev,bool ignore_tssi)562 static enum b43_txpwr_result b43_aphy_op_recalc_txpower(struct b43_wldev *dev,
563 							bool ignore_tssi)
564 {//TODO
565 	return B43_TXPWR_RES_DONE;
566 }
567 
b43_aphy_op_pwork_15sec(struct b43_wldev * dev)568 static void b43_aphy_op_pwork_15sec(struct b43_wldev *dev)
569 {//TODO
570 }
571 
b43_aphy_op_pwork_60sec(struct b43_wldev * dev)572 static void b43_aphy_op_pwork_60sec(struct b43_wldev *dev)
573 {//TODO
574 }
575 
576 const struct b43_phy_operations b43_phyops_a = {
577 	.allocate		= b43_aphy_op_allocate,
578 	.free			= b43_aphy_op_free,
579 	.prepare_structs	= b43_aphy_op_prepare_structs,
580 	.init			= b43_aphy_op_init,
581 	.phy_read		= b43_aphy_op_read,
582 	.phy_write		= b43_aphy_op_write,
583 	.radio_read		= b43_aphy_op_radio_read,
584 	.radio_write		= b43_aphy_op_radio_write,
585 	.supports_hwpctl	= b43_aphy_op_supports_hwpctl,
586 	.software_rfkill	= b43_aphy_op_software_rfkill,
587 	.switch_analog		= b43_phyop_switch_analog_generic,
588 	.switch_channel		= b43_aphy_op_switch_channel,
589 	.get_default_chan	= b43_aphy_op_get_default_chan,
590 	.set_rx_antenna		= b43_aphy_op_set_rx_antenna,
591 	.recalc_txpower		= b43_aphy_op_recalc_txpower,
592 	.adjust_txpower		= b43_aphy_op_adjust_txpower,
593 	.pwork_15sec		= b43_aphy_op_pwork_15sec,
594 	.pwork_60sec		= b43_aphy_op_pwork_60sec,
595 };
596