9bc1957cf37e3f5e960e27964a839a78b8dfd3be
[safe/jmp/linux-2.6] / drivers / net / wireless / b43 / phy_a.c
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 <mb@bu3sch.de>
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 "b43.h"
30 #include "phy_a.h"
31 #include "phy_common.h"
32 #include "wa.h"
33 #include "tables.h"
34 #include "main.h"
35
36
37 /* Get the freq, as it has to be written to the device. */
38 static inline u16 channel2freq_a(u8 channel)
39 {
40         B43_WARN_ON(channel > 200);
41
42         return (5000 + 5 * channel);
43 }
44
45 static inline u16 freq_r3A_value(u16 frequency)
46 {
47         u16 value;
48
49         if (frequency < 5091)
50                 value = 0x0040;
51         else if (frequency < 5321)
52                 value = 0x0000;
53         else if (frequency < 5806)
54                 value = 0x0080;
55         else
56                 value = 0x0040;
57
58         return value;
59 }
60
61 #if 0
62 /* This function converts a TSSI value to dBm in Q5.2 */
63 static s8 b43_aphy_estimate_power_out(struct b43_wldev *dev, s8 tssi)
64 {
65         struct b43_phy *phy = &dev->phy;
66         struct b43_phy_a *aphy = phy->a;
67         s8 dbm = 0;
68         s32 tmp;
69
70         tmp = (aphy->tgt_idle_tssi - aphy->cur_idle_tssi + tssi);
71         tmp += 0x80;
72         tmp = clamp_val(tmp, 0x00, 0xFF);
73         dbm = aphy->tssi2dbm[tmp];
74         //TODO: There's a FIXME on the specs
75
76         return dbm;
77 }
78 #endif
79
80 static void b43_radio_set_tx_iq(struct b43_wldev *dev)
81 {
82         static const u8 data_high[5] = { 0x00, 0x40, 0x80, 0x90, 0xD0 };
83         static const u8 data_low[5] = { 0x00, 0x01, 0x05, 0x06, 0x0A };
84         u16 tmp = b43_radio_read16(dev, 0x001E);
85         int i, j;
86
87         for (i = 0; i < 5; i++) {
88                 for (j = 0; j < 5; j++) {
89                         if (tmp == (data_high[i] << 4 | data_low[j])) {
90                                 b43_phy_write(dev, 0x0069,
91                                               (i - j) << 8 | 0x00C0);
92                                 return;
93                         }
94                 }
95         }
96 }
97
98 static void aphy_channel_switch(struct b43_wldev *dev, unsigned int channel)
99 {
100         u16 freq, r8, tmp;
101
102         freq = channel2freq_a(channel);
103
104         r8 = b43_radio_read16(dev, 0x0008);
105         b43_write16(dev, 0x03F0, freq);
106         b43_radio_write16(dev, 0x0008, r8);
107
108         //TODO: write max channel TX power? to Radio 0x2D
109         tmp = b43_radio_read16(dev, 0x002E);
110         tmp &= 0x0080;
111         //TODO: OR tmp with the Power out estimation for this channel?
112         b43_radio_write16(dev, 0x002E, tmp);
113
114         if (freq >= 4920 && freq <= 5500) {
115                 /*
116                  * r8 = (((freq * 15 * 0xE1FC780F) >> 32) / 29) & 0x0F;
117                  *    = (freq * 0.025862069
118                  */
119                 r8 = 3 * freq / 116;    /* is equal to r8 = freq * 0.025862 */
120         }
121         b43_radio_write16(dev, 0x0007, (r8 << 4) | r8);
122         b43_radio_write16(dev, 0x0020, (r8 << 4) | r8);
123         b43_radio_write16(dev, 0x0021, (r8 << 4) | r8);
124         b43_radio_write16(dev, 0x0022, (b43_radio_read16(dev, 0x0022)
125                                         & 0x000F) | (r8 << 4));
126         b43_radio_write16(dev, 0x002A, (r8 << 4));
127         b43_radio_write16(dev, 0x002B, (r8 << 4));
128         b43_radio_write16(dev, 0x0008, (b43_radio_read16(dev, 0x0008)
129                                         & 0x00F0) | (r8 << 4));
130         b43_radio_write16(dev, 0x0029, (b43_radio_read16(dev, 0x0029)
131                                         & 0xFF0F) | 0x00B0);
132         b43_radio_write16(dev, 0x0035, 0x00AA);
133         b43_radio_write16(dev, 0x0036, 0x0085);
134         b43_radio_write16(dev, 0x003A, (b43_radio_read16(dev, 0x003A)
135                                         & 0xFF20) |
136                           freq_r3A_value(freq));
137         b43_radio_write16(dev, 0x003D,
138                           b43_radio_read16(dev, 0x003D) & 0x00FF);
139         b43_radio_write16(dev, 0x0081, (b43_radio_read16(dev, 0x0081)
140                                         & 0xFF7F) | 0x0080);
141         b43_radio_write16(dev, 0x0035,
142                           b43_radio_read16(dev, 0x0035) & 0xFFEF);
143         b43_radio_write16(dev, 0x0035, (b43_radio_read16(dev, 0x0035)
144                                         & 0xFFEF) | 0x0010);
145         b43_radio_set_tx_iq(dev);
146         //TODO: TSSI2dbm workaround
147 //FIXME b43_phy_xmitpower(dev);
148 }
149
150 static void b43_radio_init2060(struct b43_wldev *dev)
151 {
152         b43_radio_write16(dev, 0x0004, 0x00C0);
153         b43_radio_write16(dev, 0x0005, 0x0008);
154         b43_radio_write16(dev, 0x0009, 0x0040);
155         b43_radio_write16(dev, 0x0005, 0x00AA);
156         b43_radio_write16(dev, 0x0032, 0x008F);
157         b43_radio_write16(dev, 0x0006, 0x008F);
158         b43_radio_write16(dev, 0x0034, 0x008F);
159         b43_radio_write16(dev, 0x002C, 0x0007);
160         b43_radio_write16(dev, 0x0082, 0x0080);
161         b43_radio_write16(dev, 0x0080, 0x0000);
162         b43_radio_write16(dev, 0x003F, 0x00DA);
163         b43_radio_write16(dev, 0x0005, b43_radio_read16(dev, 0x0005) & ~0x0008);
164         b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0010);
165         b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0020);
166         b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0020);
167         msleep(1);              /* delay 400usec */
168
169         b43_radio_write16(dev, 0x0081,
170                           (b43_radio_read16(dev, 0x0081) & ~0x0020) | 0x0010);
171         msleep(1);              /* delay 400usec */
172
173         b43_radio_write16(dev, 0x0005,
174                           (b43_radio_read16(dev, 0x0005) & ~0x0008) | 0x0008);
175         b43_radio_write16(dev, 0x0085, b43_radio_read16(dev, 0x0085) & ~0x0010);
176         b43_radio_write16(dev, 0x0005, b43_radio_read16(dev, 0x0005) & ~0x0008);
177         b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0040);
178         b43_radio_write16(dev, 0x0081,
179                           (b43_radio_read16(dev, 0x0081) & ~0x0040) | 0x0040);
180         b43_radio_write16(dev, 0x0005,
181                           (b43_radio_read16(dev, 0x0081) & ~0x0008) | 0x0008);
182         b43_phy_write(dev, 0x0063, 0xDDC6);
183         b43_phy_write(dev, 0x0069, 0x07BE);
184         b43_phy_write(dev, 0x006A, 0x0000);
185
186         aphy_channel_switch(dev, dev->phy.ops->get_default_chan(dev));
187
188         msleep(1);
189 }
190
191 static void b43_phy_rssiagc(struct b43_wldev *dev, u8 enable)
192 {
193         int i;
194
195         if (dev->phy.rev < 3) {
196                 if (enable)
197                         for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++) {
198                                 b43_ofdmtab_write16(dev,
199                                         B43_OFDMTAB_LNAHPFGAIN1, i, 0xFFF8);
200                                 b43_ofdmtab_write16(dev,
201                                         B43_OFDMTAB_WRSSI, i, 0xFFF8);
202                         }
203                 else
204                         for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++) {
205                                 b43_ofdmtab_write16(dev,
206                                         B43_OFDMTAB_LNAHPFGAIN1, i, b43_tab_rssiagc1[i]);
207                                 b43_ofdmtab_write16(dev,
208                                         B43_OFDMTAB_WRSSI, i, b43_tab_rssiagc1[i]);
209                         }
210         } else {
211                 if (enable)
212                         for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++)
213                                 b43_ofdmtab_write16(dev,
214                                         B43_OFDMTAB_WRSSI, i, 0x0820);
215                 else
216                         for (i = 0; i < B43_TAB_RSSIAGC2_SIZE; i++)
217                                 b43_ofdmtab_write16(dev,
218                                         B43_OFDMTAB_WRSSI, i, b43_tab_rssiagc2[i]);
219         }
220 }
221
222 static void b43_phy_ww(struct b43_wldev *dev)
223 {
224         u16 b, curr_s, best_s = 0xFFFF;
225         int i;
226
227         b43_phy_mask(dev, B43_PHY_CRS0, ~B43_PHY_CRS0_EN);
228         b43_phy_set(dev, B43_PHY_OFDM(0x1B), 0x1000);
229         b43_phy_write(dev, B43_PHY_OFDM(0x82),
230                 (b43_phy_read(dev, B43_PHY_OFDM(0x82)) & 0xF0FF) | 0x0300);
231         b43_radio_write16(dev, 0x0009,
232                 b43_radio_read16(dev, 0x0009) | 0x0080);
233         b43_radio_write16(dev, 0x0012,
234                 (b43_radio_read16(dev, 0x0012) & 0xFFFC) | 0x0002);
235         b43_wa_initgains(dev);
236         b43_phy_write(dev, B43_PHY_OFDM(0xBA), 0x3ED5);
237         b = b43_phy_read(dev, B43_PHY_PWRDOWN);
238         b43_phy_write(dev, B43_PHY_PWRDOWN, (b & 0xFFF8) | 0x0005);
239         b43_radio_write16(dev, 0x0004,
240                 b43_radio_read16(dev, 0x0004) | 0x0004);
241         for (i = 0x10; i <= 0x20; i++) {
242                 b43_radio_write16(dev, 0x0013, i);
243                 curr_s = b43_phy_read(dev, B43_PHY_OTABLEQ) & 0x00FF;
244                 if (!curr_s) {
245                         best_s = 0x0000;
246                         break;
247                 } else if (curr_s >= 0x0080)
248                         curr_s = 0x0100 - curr_s;
249                 if (curr_s < best_s)
250                         best_s = curr_s;
251         }
252         b43_phy_write(dev, B43_PHY_PWRDOWN, b);
253         b43_radio_write16(dev, 0x0004,
254                 b43_radio_read16(dev, 0x0004) & 0xFFFB);
255         b43_radio_write16(dev, 0x0013, best_s);
256         b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1_R1, 0, 0xFFEC);
257         b43_phy_write(dev, B43_PHY_OFDM(0xB7), 0x1E80);
258         b43_phy_write(dev, B43_PHY_OFDM(0xB6), 0x1C00);
259         b43_phy_write(dev, B43_PHY_OFDM(0xB5), 0x0EC0);
260         b43_phy_write(dev, B43_PHY_OFDM(0xB2), 0x00C0);
261         b43_phy_write(dev, B43_PHY_OFDM(0xB9), 0x1FFF);
262         b43_phy_write(dev, B43_PHY_OFDM(0xBB),
263                 (b43_phy_read(dev, B43_PHY_OFDM(0xBB)) & 0xF000) | 0x0053);
264         b43_phy_write(dev, B43_PHY_OFDM61,
265                 (b43_phy_read(dev, B43_PHY_OFDM61) & 0xFE1F) | 0x0120);
266         b43_phy_write(dev, B43_PHY_OFDM(0x13),
267                 (b43_phy_read(dev, B43_PHY_OFDM(0x13)) & 0x0FFF) | 0x3000);
268         b43_phy_write(dev, B43_PHY_OFDM(0x14),
269                 (b43_phy_read(dev, B43_PHY_OFDM(0x14)) & 0x0FFF) | 0x3000);
270         b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 6, 0x0017);
271         for (i = 0; i < 6; i++)
272                 b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, i, 0x000F);
273         b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0D, 0x000E);
274         b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0E, 0x0011);
275         b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0F, 0x0013);
276         b43_phy_write(dev, B43_PHY_OFDM(0x33), 0x5030);
277         b43_phy_set(dev, B43_PHY_CRS0, B43_PHY_CRS0_EN);
278 }
279
280 static void hardware_pctl_init_aphy(struct b43_wldev *dev)
281 {
282         //TODO
283 }
284
285 void b43_phy_inita(struct b43_wldev *dev)
286 {
287         struct ssb_bus *bus = dev->dev->bus;
288         struct b43_phy *phy = &dev->phy;
289
290         /* This lowlevel A-PHY init is also called from G-PHY init.
291          * So we must not access phy->a, if called from G-PHY code.
292          */
293         B43_WARN_ON((phy->type != B43_PHYTYPE_A) &&
294                     (phy->type != B43_PHYTYPE_G));
295
296         might_sleep();
297
298         if (phy->rev >= 6) {
299                 if (phy->type == B43_PHYTYPE_A)
300                         b43_phy_mask(dev, B43_PHY_OFDM(0x1B), ~0x1000);
301                 if (b43_phy_read(dev, B43_PHY_ENCORE) & B43_PHY_ENCORE_EN)
302                         b43_phy_set(dev, B43_PHY_ENCORE, 0x0010);
303                 else
304                         b43_phy_mask(dev, B43_PHY_ENCORE, ~0x1010);
305         }
306
307         b43_wa_all(dev);
308
309         if (phy->type == B43_PHYTYPE_A) {
310                 if (phy->gmode && (phy->rev < 3))
311                         b43_phy_set(dev, 0x0034, 0x0001);
312                 b43_phy_rssiagc(dev, 0);
313
314                 b43_phy_set(dev, B43_PHY_CRS0, B43_PHY_CRS0_EN);
315
316                 b43_radio_init2060(dev);
317
318                 if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) &&
319                     ((bus->boardinfo.type == SSB_BOARD_BU4306) ||
320                      (bus->boardinfo.type == SSB_BOARD_BU4309))) {
321                         ; //TODO: A PHY LO
322                 }
323
324                 if (phy->rev >= 3)
325                         b43_phy_ww(dev);
326
327                 hardware_pctl_init_aphy(dev);
328
329                 //TODO: radar detection
330         }
331
332         if ((phy->type == B43_PHYTYPE_G) &&
333             (dev->dev->bus->sprom.boardflags_lo & B43_BFL_PACTRL)) {
334                 b43_phy_write(dev, B43_PHY_OFDM(0x6E),
335                                   (b43_phy_read(dev, B43_PHY_OFDM(0x6E))
336                                    & 0xE000) | 0x3CF);
337         }
338 }
339
340 /* Initialise the TSSI->dBm lookup table */
341 static int b43_aphy_init_tssi2dbm_table(struct b43_wldev *dev)
342 {
343         struct b43_phy *phy = &dev->phy;
344         struct b43_phy_a *aphy = phy->a;
345         s16 pab0, pab1, pab2;
346
347         pab0 = (s16) (dev->dev->bus->sprom.pa1b0);
348         pab1 = (s16) (dev->dev->bus->sprom.pa1b1);
349         pab2 = (s16) (dev->dev->bus->sprom.pa1b2);
350
351         if (pab0 != 0 && pab1 != 0 && pab2 != 0 &&
352             pab0 != -1 && pab1 != -1 && pab2 != -1) {
353                 /* The pabX values are set in SPROM. Use them. */
354                 if ((s8) dev->dev->bus->sprom.itssi_a != 0 &&
355                     (s8) dev->dev->bus->sprom.itssi_a != -1)
356                         aphy->tgt_idle_tssi =
357                             (s8) (dev->dev->bus->sprom.itssi_a);
358                 else
359                         aphy->tgt_idle_tssi = 62;
360                 aphy->tssi2dbm = b43_generate_dyn_tssi2dbm_tab(dev, pab0,
361                                                                pab1, pab2);
362                 if (!aphy->tssi2dbm)
363                         return -ENOMEM;
364         } else {
365                 /* pabX values not set in SPROM,
366                  * but APHY needs a generated table. */
367                 aphy->tssi2dbm = NULL;
368                 b43err(dev->wl, "Could not generate tssi2dBm "
369                        "table (wrong SPROM info)!\n");
370                 return -ENODEV;
371         }
372
373         return 0;
374 }
375
376 static int b43_aphy_op_allocate(struct b43_wldev *dev)
377 {
378         struct b43_phy_a *aphy;
379         int err;
380
381         aphy = kzalloc(sizeof(*aphy), GFP_KERNEL);
382         if (!aphy)
383                 return -ENOMEM;
384         dev->phy.a = aphy;
385
386         err = b43_aphy_init_tssi2dbm_table(dev);
387         if (err)
388                 goto err_free_aphy;
389
390         return 0;
391
392 err_free_aphy:
393         kfree(aphy);
394         dev->phy.a = NULL;
395
396         return err;
397 }
398
399 static void b43_aphy_op_prepare_structs(struct b43_wldev *dev)
400 {
401         struct b43_phy *phy = &dev->phy;
402         struct b43_phy_a *aphy = phy->a;
403         const void *tssi2dbm;
404         int tgt_idle_tssi;
405
406         /* tssi2dbm table is constant, so it is initialized at alloc time.
407          * Save a copy of the pointer. */
408         tssi2dbm = aphy->tssi2dbm;
409         tgt_idle_tssi = aphy->tgt_idle_tssi;
410
411         /* Zero out the whole PHY structure. */
412         memset(aphy, 0, sizeof(*aphy));
413
414         aphy->tssi2dbm = tssi2dbm;
415         aphy->tgt_idle_tssi = tgt_idle_tssi;
416
417         //TODO init struct b43_phy_a
418
419 }
420
421 static void b43_aphy_op_free(struct b43_wldev *dev)
422 {
423         struct b43_phy *phy = &dev->phy;
424         struct b43_phy_a *aphy = phy->a;
425
426         kfree(aphy->tssi2dbm);
427         aphy->tssi2dbm = NULL;
428
429         kfree(aphy);
430         dev->phy.a = NULL;
431 }
432
433 static int b43_aphy_op_init(struct b43_wldev *dev)
434 {
435         b43_phy_inita(dev);
436
437         return 0;
438 }
439
440 static inline u16 adjust_phyreg(struct b43_wldev *dev, u16 offset)
441 {
442         /* OFDM registers are base-registers for the A-PHY. */
443         if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) {
444                 offset &= ~B43_PHYROUTE;
445                 offset |= B43_PHYROUTE_BASE;
446         }
447
448 #if B43_DEBUG
449         if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) {
450                 /* Ext-G registers are only available on G-PHYs */
451                 b43err(dev->wl, "Invalid EXT-G PHY access at "
452                        "0x%04X on A-PHY\n", offset);
453                 dump_stack();
454         }
455         if ((offset & B43_PHYROUTE) == B43_PHYROUTE_N_BMODE) {
456                 /* N-BMODE registers are only available on N-PHYs */
457                 b43err(dev->wl, "Invalid N-BMODE PHY access at "
458                        "0x%04X on A-PHY\n", offset);
459                 dump_stack();
460         }
461 #endif /* B43_DEBUG */
462
463         return offset;
464 }
465
466 static u16 b43_aphy_op_read(struct b43_wldev *dev, u16 reg)
467 {
468         reg = adjust_phyreg(dev, reg);
469         b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
470         return b43_read16(dev, B43_MMIO_PHY_DATA);
471 }
472
473 static void b43_aphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
474 {
475         reg = adjust_phyreg(dev, reg);
476         b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
477         b43_write16(dev, B43_MMIO_PHY_DATA, value);
478 }
479
480 static u16 b43_aphy_op_radio_read(struct b43_wldev *dev, u16 reg)
481 {
482         /* Register 1 is a 32-bit register. */
483         B43_WARN_ON(reg == 1);
484         /* A-PHY needs 0x40 for read access */
485         reg |= 0x40;
486
487         b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
488         return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
489 }
490
491 static void b43_aphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
492 {
493         /* Register 1 is a 32-bit register. */
494         B43_WARN_ON(reg == 1);
495
496         b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
497         b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
498 }
499
500 static bool b43_aphy_op_supports_hwpctl(struct b43_wldev *dev)
501 {
502         return (dev->phy.rev >= 5);
503 }
504
505 static void b43_aphy_op_software_rfkill(struct b43_wldev *dev,
506                                         enum rfkill_state state)
507 {
508         struct b43_phy *phy = &dev->phy;
509
510         if (state == RFKILL_STATE_UNBLOCKED) {
511                 if (phy->radio_on)
512                         return;
513                 b43_radio_write16(dev, 0x0004, 0x00C0);
514                 b43_radio_write16(dev, 0x0005, 0x0008);
515                 b43_phy_mask(dev, 0x0010, 0xFFF7);
516                 b43_phy_mask(dev, 0x0011, 0xFFF7);
517                 b43_radio_init2060(dev);
518         } else {
519                 b43_radio_write16(dev, 0x0004, 0x00FF);
520                 b43_radio_write16(dev, 0x0005, 0x00FB);
521                 b43_phy_set(dev, 0x0010, 0x0008);
522                 b43_phy_set(dev, 0x0011, 0x0008);
523         }
524 }
525
526 static int b43_aphy_op_switch_channel(struct b43_wldev *dev,
527                                       unsigned int new_channel)
528 {
529         if (new_channel > 200)
530                 return -EINVAL;
531         aphy_channel_switch(dev, new_channel);
532
533         return 0;
534 }
535
536 static unsigned int b43_aphy_op_get_default_chan(struct b43_wldev *dev)
537 {
538         return 36; /* Default to channel 36 */
539 }
540
541 static void b43_aphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
542 {//TODO
543         struct b43_phy *phy = &dev->phy;
544         u64 hf;
545         u16 tmp;
546         int autodiv = 0;
547
548         if (antenna == B43_ANTENNA_AUTO0 || antenna == B43_ANTENNA_AUTO1)
549                 autodiv = 1;
550
551         hf = b43_hf_read(dev);
552         hf &= ~B43_HF_ANTDIVHELP;
553         b43_hf_write(dev, hf);
554
555         tmp = b43_phy_read(dev, B43_PHY_BBANDCFG);
556         tmp &= ~B43_PHY_BBANDCFG_RXANT;
557         tmp |= (autodiv ? B43_ANTENNA_AUTO0 : antenna)
558             << B43_PHY_BBANDCFG_RXANT_SHIFT;
559         b43_phy_write(dev, B43_PHY_BBANDCFG, tmp);
560
561         if (autodiv) {
562                 tmp = b43_phy_read(dev, B43_PHY_ANTDWELL);
563                 if (antenna == B43_ANTENNA_AUTO0)
564                         tmp &= ~B43_PHY_ANTDWELL_AUTODIV1;
565                 else
566                         tmp |= B43_PHY_ANTDWELL_AUTODIV1;
567                 b43_phy_write(dev, B43_PHY_ANTDWELL, tmp);
568         }
569         if (phy->rev < 3) {
570                 tmp = b43_phy_read(dev, B43_PHY_ANTDWELL);
571                 tmp = (tmp & 0xFF00) | 0x24;
572                 b43_phy_write(dev, B43_PHY_ANTDWELL, tmp);
573         } else {
574                 tmp = b43_phy_read(dev, B43_PHY_OFDM61);
575                 tmp |= 0x10;
576                 b43_phy_write(dev, B43_PHY_OFDM61, tmp);
577                 if (phy->analog == 3) {
578                         b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT,
579                                       0x1D);
580                         b43_phy_write(dev, B43_PHY_ADIVRELATED,
581                                       8);
582                 } else {
583                         b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT,
584                                       0x3A);
585                         tmp =
586                             b43_phy_read(dev,
587                                          B43_PHY_ADIVRELATED);
588                         tmp = (tmp & 0xFF00) | 8;
589                         b43_phy_write(dev, B43_PHY_ADIVRELATED,
590                                       tmp);
591                 }
592         }
593
594         hf |= B43_HF_ANTDIVHELP;
595         b43_hf_write(dev, hf);
596 }
597
598 static void b43_aphy_op_adjust_txpower(struct b43_wldev *dev)
599 {//TODO
600 }
601
602 static enum b43_txpwr_result b43_aphy_op_recalc_txpower(struct b43_wldev *dev,
603                                                         bool ignore_tssi)
604 {//TODO
605         return B43_TXPWR_RES_DONE;
606 }
607
608 static void b43_aphy_op_pwork_15sec(struct b43_wldev *dev)
609 {//TODO
610 }
611
612 static void b43_aphy_op_pwork_60sec(struct b43_wldev *dev)
613 {//TODO
614 }
615
616 const struct b43_phy_operations b43_phyops_a = {
617         .allocate               = b43_aphy_op_allocate,
618         .free                   = b43_aphy_op_free,
619         .prepare_structs        = b43_aphy_op_prepare_structs,
620         .init                   = b43_aphy_op_init,
621         .phy_read               = b43_aphy_op_read,
622         .phy_write              = b43_aphy_op_write,
623         .radio_read             = b43_aphy_op_radio_read,
624         .radio_write            = b43_aphy_op_radio_write,
625         .supports_hwpctl        = b43_aphy_op_supports_hwpctl,
626         .software_rfkill        = b43_aphy_op_software_rfkill,
627         .switch_analog          = b43_phyop_switch_analog_generic,
628         .switch_channel         = b43_aphy_op_switch_channel,
629         .get_default_chan       = b43_aphy_op_get_default_chan,
630         .set_rx_antenna         = b43_aphy_op_set_rx_antenna,
631         .recalc_txpower         = b43_aphy_op_recalc_txpower,
632         .adjust_txpower         = b43_aphy_op_adjust_txpower,
633         .pwork_15sec            = b43_aphy_op_pwork_15sec,
634         .pwork_60sec            = b43_aphy_op_pwork_60sec,
635 };