packaging: release out (3.8.3)
[profile/ivi/kernel-adaptation-intel-automotive.git] / drivers / net / wireless / b43 / phy_ht.c
1 /*
2
3   Broadcom B43 wireless driver
4   IEEE 802.11n HT-PHY support
5
6   Copyright (c) 2011 Rafał Miłecki <zajec5@gmail.com>
7
8   This program is free software; you can redistribute it and/or modify
9   it under the terms of the GNU General Public License as published by
10   the Free Software Foundation; either version 2 of the License, or
11   (at your option) any later version.
12
13   This program is distributed in the hope that it will be useful,
14   but WITHOUT ANY WARRANTY; without even the implied warranty of
15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16   GNU General Public License for more details.
17
18   You should have received a copy of the GNU General Public License
19   along with this program; see the file COPYING.  If not, write to
20   the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
21   Boston, MA 02110-1301, USA.
22
23 */
24
25 #include <linux/slab.h>
26
27 #include "b43.h"
28 #include "phy_ht.h"
29 #include "tables_phy_ht.h"
30 #include "radio_2059.h"
31 #include "main.h"
32
33 /**************************************************
34  * Radio 2059.
35  **************************************************/
36
37 static void b43_radio_2059_channel_setup(struct b43_wldev *dev,
38                         const struct b43_phy_ht_channeltab_e_radio2059 *e)
39 {
40         u8 i;
41         u16 routing;
42
43         b43_radio_write(dev, 0x16, e->radio_syn16);
44         b43_radio_write(dev, 0x17, e->radio_syn17);
45         b43_radio_write(dev, 0x22, e->radio_syn22);
46         b43_radio_write(dev, 0x25, e->radio_syn25);
47         b43_radio_write(dev, 0x27, e->radio_syn27);
48         b43_radio_write(dev, 0x28, e->radio_syn28);
49         b43_radio_write(dev, 0x29, e->radio_syn29);
50         b43_radio_write(dev, 0x2c, e->radio_syn2c);
51         b43_radio_write(dev, 0x2d, e->radio_syn2d);
52         b43_radio_write(dev, 0x37, e->radio_syn37);
53         b43_radio_write(dev, 0x41, e->radio_syn41);
54         b43_radio_write(dev, 0x43, e->radio_syn43);
55         b43_radio_write(dev, 0x47, e->radio_syn47);
56         b43_radio_write(dev, 0x4a, e->radio_syn4a);
57         b43_radio_write(dev, 0x58, e->radio_syn58);
58         b43_radio_write(dev, 0x5a, e->radio_syn5a);
59         b43_radio_write(dev, 0x6a, e->radio_syn6a);
60         b43_radio_write(dev, 0x6d, e->radio_syn6d);
61         b43_radio_write(dev, 0x6e, e->radio_syn6e);
62         b43_radio_write(dev, 0x92, e->radio_syn92);
63         b43_radio_write(dev, 0x98, e->radio_syn98);
64
65         for (i = 0; i < 2; i++) {
66                 routing = i ? R2059_RXRX1 : R2059_TXRX0;
67                 b43_radio_write(dev, routing | 0x4a, e->radio_rxtx4a);
68                 b43_radio_write(dev, routing | 0x58, e->radio_rxtx58);
69                 b43_radio_write(dev, routing | 0x5a, e->radio_rxtx5a);
70                 b43_radio_write(dev, routing | 0x6a, e->radio_rxtx6a);
71                 b43_radio_write(dev, routing | 0x6d, e->radio_rxtx6d);
72                 b43_radio_write(dev, routing | 0x6e, e->radio_rxtx6e);
73                 b43_radio_write(dev, routing | 0x92, e->radio_rxtx92);
74                 b43_radio_write(dev, routing | 0x98, e->radio_rxtx98);
75         }
76
77         udelay(50);
78
79         /* Calibration */
80         b43_radio_mask(dev, 0x2b, ~0x1);
81         b43_radio_mask(dev, 0x2e, ~0x4);
82         b43_radio_set(dev, 0x2e, 0x4);
83         b43_radio_set(dev, 0x2b, 0x1);
84
85         udelay(300);
86 }
87
88 static void b43_radio_2059_init(struct b43_wldev *dev)
89 {
90         const u16 routing[] = { R2059_SYN, R2059_TXRX0, R2059_RXRX1 };
91         const u16 radio_values[3][2] = {
92                 { 0x61, 0xE9 }, { 0x69, 0xD5 }, { 0x73, 0x99 },
93         };
94         u16 i, j;
95
96         b43_radio_write(dev, R2059_ALL | 0x51, 0x0070);
97         b43_radio_write(dev, R2059_ALL | 0x5a, 0x0003);
98
99         for (i = 0; i < ARRAY_SIZE(routing); i++)
100                 b43_radio_set(dev, routing[i] | 0x146, 0x3);
101
102         b43_radio_set(dev, 0x2e, 0x0078);
103         b43_radio_set(dev, 0xc0, 0x0080);
104         msleep(2);
105         b43_radio_mask(dev, 0x2e, ~0x0078);
106         b43_radio_mask(dev, 0xc0, ~0x0080);
107
108         if (1) { /* FIXME */
109                 b43_radio_set(dev, R2059_RXRX1 | 0x4, 0x1);
110                 udelay(10);
111                 b43_radio_set(dev, R2059_RXRX1 | 0x0BF, 0x1);
112                 b43_radio_maskset(dev, R2059_RXRX1 | 0x19B, 0x3, 0x2);
113
114                 b43_radio_set(dev, R2059_RXRX1 | 0x4, 0x2);
115                 udelay(100);
116                 b43_radio_mask(dev, R2059_RXRX1 | 0x4, ~0x2);
117
118                 for (i = 0; i < 10000; i++) {
119                         if (b43_radio_read(dev, R2059_RXRX1 | 0x145) & 1) {
120                                 i = 0;
121                                 break;
122                         }
123                         udelay(100);
124                 }
125                 if (i)
126                         b43err(dev->wl, "radio 0x945 timeout\n");
127
128                 b43_radio_mask(dev, R2059_RXRX1 | 0x4, ~0x1);
129                 b43_radio_set(dev, 0xa, 0x60);
130
131                 for (i = 0; i < 3; i++) {
132                         b43_radio_write(dev, 0x17F, radio_values[i][0]);
133                         b43_radio_write(dev, 0x13D, 0x6E);
134                         b43_radio_write(dev, 0x13E, radio_values[i][1]);
135                         b43_radio_write(dev, 0x13C, 0x55);
136
137                         for (j = 0; j < 10000; j++) {
138                                 if (b43_radio_read(dev, 0x140) & 2) {
139                                         j = 0;
140                                         break;
141                                 }
142                                 udelay(500);
143                         }
144                         if (j)
145                                 b43err(dev->wl, "radio 0x140 timeout\n");
146
147                         b43_radio_write(dev, 0x13C, 0x15);
148                 }
149
150                 b43_radio_mask(dev, 0x17F, ~0x1);
151         }
152
153         b43_radio_mask(dev, 0x11, ~0x0008);
154 }
155
156 /**************************************************
157  * Various PHY ops
158  **************************************************/
159
160 static void b43_phy_ht_zero_extg(struct b43_wldev *dev)
161 {
162         u8 i, j;
163         u16 base[] = { 0x40, 0x60, 0x80 };
164
165         for (i = 0; i < ARRAY_SIZE(base); i++) {
166                 for (j = 0; j < 4; j++)
167                         b43_phy_write(dev, B43_PHY_EXTG(base[i] + j), 0);
168         }
169
170         for (i = 0; i < ARRAY_SIZE(base); i++)
171                 b43_phy_write(dev, B43_PHY_EXTG(base[i] + 0xc), 0);
172 }
173
174 /* Some unknown AFE (Analog Frondned) op */
175 static void b43_phy_ht_afe_unk1(struct b43_wldev *dev)
176 {
177         u8 i;
178
179         const u16 ctl_regs[3][2] = {
180                 { B43_PHY_HT_AFE_CTL1, B43_PHY_HT_AFE_CTL2 },
181                 { B43_PHY_HT_AFE_CTL3, B43_PHY_HT_AFE_CTL4 },
182                 { B43_PHY_HT_AFE_CTL5, B43_PHY_HT_AFE_CTL6},
183         };
184
185         for (i = 0; i < 3; i++) {
186                 /* TODO: verify masks&sets */
187                 b43_phy_set(dev, ctl_regs[i][1], 0x4);
188                 b43_phy_set(dev, ctl_regs[i][0], 0x4);
189                 b43_phy_mask(dev, ctl_regs[i][1], ~0x1);
190                 b43_phy_set(dev, ctl_regs[i][0], 0x1);
191                 b43_httab_write(dev, B43_HTTAB16(8, 5 + (i * 0x10)), 0);
192                 b43_phy_mask(dev, ctl_regs[i][0], ~0x4);
193         }
194 }
195
196 static void b43_phy_ht_force_rf_sequence(struct b43_wldev *dev, u16 rf_seq)
197 {
198         u8 i;
199
200         u16 save_seq_mode = b43_phy_read(dev, B43_PHY_HT_RF_SEQ_MODE);
201         b43_phy_set(dev, B43_PHY_HT_RF_SEQ_MODE, 0x3);
202
203         b43_phy_set(dev, B43_PHY_HT_RF_SEQ_TRIG, rf_seq);
204         for (i = 0; i < 200; i++) {
205                 if (!(b43_phy_read(dev, B43_PHY_HT_RF_SEQ_STATUS) & rf_seq)) {
206                         i = 0;
207                         break;
208                 }
209                 msleep(1);
210         }
211         if (i)
212                 b43err(dev->wl, "Forcing RF sequence timeout\n");
213
214         b43_phy_write(dev, B43_PHY_HT_RF_SEQ_MODE, save_seq_mode);
215 }
216
217 static void b43_phy_ht_read_clip_detection(struct b43_wldev *dev, u16 *clip_st)
218 {
219         clip_st[0] = b43_phy_read(dev, B43_PHY_HT_C1_CLIP1THRES);
220         clip_st[1] = b43_phy_read(dev, B43_PHY_HT_C2_CLIP1THRES);
221         clip_st[2] = b43_phy_read(dev, B43_PHY_HT_C3_CLIP1THRES);
222 }
223
224 static void b43_phy_ht_bphy_init(struct b43_wldev *dev)
225 {
226         unsigned int i;
227         u16 val;
228
229         val = 0x1E1F;
230         for (i = 0; i < 16; i++) {
231                 b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val);
232                 val -= 0x202;
233         }
234         val = 0x3E3F;
235         for (i = 0; i < 16; i++) {
236                 b43_phy_write(dev, B43_PHY_N_BMODE(0x98 + i), val);
237                 val -= 0x202;
238         }
239         b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668);
240 }
241
242 /**************************************************
243  * Channel switching ops.
244  **************************************************/
245
246 static void b43_phy_ht_channel_setup(struct b43_wldev *dev,
247                                 const struct b43_phy_ht_channeltab_e_phy *e,
248                                 struct ieee80211_channel *new_channel)
249 {
250         bool old_band_5ghz;
251         u8 i;
252
253         old_band_5ghz = b43_phy_read(dev, B43_PHY_HT_BANDCTL) & 0; /* FIXME */
254         if (new_channel->band == IEEE80211_BAND_5GHZ && !old_band_5ghz) {
255                 /* TODO */
256         } else if (new_channel->band == IEEE80211_BAND_2GHZ && old_band_5ghz) {
257                 /* TODO */
258         }
259
260         b43_phy_write(dev, B43_PHY_HT_BW1, e->bw1);
261         b43_phy_write(dev, B43_PHY_HT_BW2, e->bw2);
262         b43_phy_write(dev, B43_PHY_HT_BW3, e->bw3);
263         b43_phy_write(dev, B43_PHY_HT_BW4, e->bw4);
264         b43_phy_write(dev, B43_PHY_HT_BW5, e->bw5);
265         b43_phy_write(dev, B43_PHY_HT_BW6, e->bw6);
266
267         /* TODO: some ops on PHY regs 0x0B0 and 0xC0A */
268
269         /* TODO: separated function? */
270         for (i = 0; i < 3; i++) {
271                 u16 mask;
272                 u32 tmp = b43_httab_read(dev, B43_HTTAB32(26, 0xE8));
273
274                 if (0) /* FIXME */
275                         mask = 0x2 << (i * 4);
276                 else
277                         mask = 0;
278                 b43_phy_mask(dev, B43_PHY_EXTG(0x108), mask);
279
280                 b43_httab_write(dev, B43_HTTAB16(7, 0x110 + i), tmp >> 16);
281                 b43_httab_write(dev, B43_HTTAB8(13, 0x63 + (i * 4)),
282                                 tmp & 0xFF);
283                 b43_httab_write(dev, B43_HTTAB8(13, 0x73 + (i * 4)),
284                                 tmp & 0xFF);
285         }
286
287         b43_phy_write(dev, 0x017e, 0x3830);
288 }
289
290 static int b43_phy_ht_set_channel(struct b43_wldev *dev,
291                                   struct ieee80211_channel *channel,
292                                   enum nl80211_channel_type channel_type)
293 {
294         struct b43_phy *phy = &dev->phy;
295
296         const struct b43_phy_ht_channeltab_e_radio2059 *chent_r2059 = NULL;
297
298         if (phy->radio_ver == 0x2059) {
299                 chent_r2059 = b43_phy_ht_get_channeltab_e_r2059(dev,
300                                                         channel->center_freq);
301                 if (!chent_r2059)
302                         return -ESRCH;
303         } else {
304                 return -ESRCH;
305         }
306
307         /* TODO: In case of N-PHY some bandwidth switching goes here */
308
309         if (phy->radio_ver == 0x2059) {
310                 b43_radio_2059_channel_setup(dev, chent_r2059);
311                 b43_phy_ht_channel_setup(dev, &(chent_r2059->phy_regs),
312                                          channel);
313         } else {
314                 return -ESRCH;
315         }
316
317         return 0;
318 }
319
320 /**************************************************
321  * Basic PHY ops.
322  **************************************************/
323
324 static int b43_phy_ht_op_allocate(struct b43_wldev *dev)
325 {
326         struct b43_phy_ht *phy_ht;
327
328         phy_ht = kzalloc(sizeof(*phy_ht), GFP_KERNEL);
329         if (!phy_ht)
330                 return -ENOMEM;
331         dev->phy.ht = phy_ht;
332
333         return 0;
334 }
335
336 static void b43_phy_ht_op_prepare_structs(struct b43_wldev *dev)
337 {
338         struct b43_phy *phy = &dev->phy;
339         struct b43_phy_ht *phy_ht = phy->ht;
340
341         memset(phy_ht, 0, sizeof(*phy_ht));
342 }
343
344 static int b43_phy_ht_op_init(struct b43_wldev *dev)
345 {
346         u16 tmp;
347         u16 clip_state[3];
348
349         b43_phy_ht_tables_init(dev);
350
351         b43_phy_mask(dev, 0x0be, ~0x2);
352         b43_phy_set(dev, 0x23f, 0x7ff);
353         b43_phy_set(dev, 0x240, 0x7ff);
354         b43_phy_set(dev, 0x241, 0x7ff);
355
356         b43_phy_ht_zero_extg(dev);
357
358         b43_phy_mask(dev, B43_PHY_EXTG(0), ~0x3);
359
360         b43_phy_write(dev, B43_PHY_HT_AFE_CTL1, 0);
361         b43_phy_write(dev, B43_PHY_HT_AFE_CTL3, 0);
362         b43_phy_write(dev, B43_PHY_HT_AFE_CTL5, 0);
363
364         b43_phy_write(dev, B43_PHY_EXTG(0x103), 0x20);
365         b43_phy_write(dev, B43_PHY_EXTG(0x101), 0x20);
366         b43_phy_write(dev, 0x20d, 0xb8);
367         b43_phy_write(dev, B43_PHY_EXTG(0x14f), 0xc8);
368         b43_phy_write(dev, 0x70, 0x50);
369         b43_phy_write(dev, 0x1ff, 0x30);
370
371         if (0) /* TODO: condition */
372                 ; /* TODO: PHY op on reg 0x217 */
373
374         b43_phy_read(dev, 0xb0); /* TODO: what for? */
375         b43_phy_set(dev, 0xb0, 0x1);
376
377         b43_phy_set(dev, 0xb1, 0x91);
378         b43_phy_write(dev, 0x32f, 0x0003);
379         b43_phy_write(dev, 0x077, 0x0010);
380         b43_phy_write(dev, 0x0b4, 0x0258);
381         b43_phy_mask(dev, 0x17e, ~0x4000);
382
383         b43_phy_write(dev, 0x0b9, 0x0072);
384
385         b43_httab_write_few(dev, B43_HTTAB16(7, 0x14e), 2, 0x010f, 0x010f);
386         b43_httab_write_few(dev, B43_HTTAB16(7, 0x15e), 2, 0x010f, 0x010f);
387         b43_httab_write_few(dev, B43_HTTAB16(7, 0x16e), 2, 0x010f, 0x010f);
388
389         b43_phy_ht_afe_unk1(dev);
390
391         b43_httab_write_few(dev, B43_HTTAB16(7, 0x130), 9, 0x777, 0x111, 0x111,
392                             0x777, 0x111, 0x111, 0x777, 0x111, 0x111);
393
394         b43_httab_write(dev, B43_HTTAB16(7, 0x120), 0x0777);
395         b43_httab_write(dev, B43_HTTAB16(7, 0x124), 0x0777);
396
397         b43_httab_write(dev, B43_HTTAB16(8, 0x00), 0x02);
398         b43_httab_write(dev, B43_HTTAB16(8, 0x10), 0x02);
399         b43_httab_write(dev, B43_HTTAB16(8, 0x20), 0x02);
400
401         b43_httab_write_few(dev, B43_HTTAB16(8, 0x08), 4,
402                             0x8e, 0x96, 0x96, 0x96);
403         b43_httab_write_few(dev, B43_HTTAB16(8, 0x18), 4,
404                             0x8f, 0x9f, 0x9f, 0x9f);
405         b43_httab_write_few(dev, B43_HTTAB16(8, 0x28), 4,
406                             0x8f, 0x9f, 0x9f, 0x9f);
407
408         b43_httab_write_few(dev, B43_HTTAB16(8, 0x0c), 4, 0x2, 0x2, 0x2, 0x2);
409         b43_httab_write_few(dev, B43_HTTAB16(8, 0x1c), 4, 0x2, 0x2, 0x2, 0x2);
410         b43_httab_write_few(dev, B43_HTTAB16(8, 0x2c), 4, 0x2, 0x2, 0x2, 0x2);
411
412         b43_phy_maskset(dev, 0x0280, 0xff00, 0x3e);
413         b43_phy_maskset(dev, 0x0283, 0xff00, 0x3e);
414         b43_phy_maskset(dev, B43_PHY_OFDM(0x0141), 0xff00, 0x46);
415         b43_phy_maskset(dev, 0x0283, 0xff00, 0x40);
416
417         b43_httab_write_few(dev, B43_HTTAB16(00, 0x8), 4,
418                             0x09, 0x0e, 0x13, 0x18);
419         b43_httab_write_few(dev, B43_HTTAB16(01, 0x8), 4,
420                             0x09, 0x0e, 0x13, 0x18);
421         /* TODO: Did wl mean 2 instead of 40? */
422         b43_httab_write_few(dev, B43_HTTAB16(40, 0x8), 4,
423                             0x09, 0x0e, 0x13, 0x18);
424
425         b43_phy_maskset(dev, B43_PHY_OFDM(0x24), 0x3f, 0xd);
426         b43_phy_maskset(dev, B43_PHY_OFDM(0x64), 0x3f, 0xd);
427         b43_phy_maskset(dev, B43_PHY_OFDM(0xa4), 0x3f, 0xd);
428
429         b43_phy_set(dev, B43_PHY_EXTG(0x060), 0x1);
430         b43_phy_set(dev, B43_PHY_EXTG(0x064), 0x1);
431         b43_phy_set(dev, B43_PHY_EXTG(0x080), 0x1);
432         b43_phy_set(dev, B43_PHY_EXTG(0x084), 0x1);
433
434         /* Copy some tables entries */
435         tmp = b43_httab_read(dev, B43_HTTAB16(7, 0x144));
436         b43_httab_write(dev, B43_HTTAB16(7, 0x14a), tmp);
437         tmp = b43_httab_read(dev, B43_HTTAB16(7, 0x154));
438         b43_httab_write(dev, B43_HTTAB16(7, 0x15a), tmp);
439         tmp = b43_httab_read(dev, B43_HTTAB16(7, 0x164));
440         b43_httab_write(dev, B43_HTTAB16(7, 0x16a), tmp);
441
442         /* Reset CCA */
443         b43_phy_force_clock(dev, true);
444         tmp = b43_phy_read(dev, B43_PHY_HT_BBCFG);
445         b43_phy_write(dev, B43_PHY_HT_BBCFG, tmp | B43_PHY_HT_BBCFG_RSTCCA);
446         b43_phy_write(dev, B43_PHY_HT_BBCFG, tmp & ~B43_PHY_HT_BBCFG_RSTCCA);
447         b43_phy_force_clock(dev, false);
448
449         b43_mac_phy_clock_set(dev, true);
450
451         b43_phy_ht_force_rf_sequence(dev, B43_PHY_HT_RF_SEQ_TRIG_RX2TX);
452         b43_phy_ht_force_rf_sequence(dev, B43_PHY_HT_RF_SEQ_TRIG_RST2RX);
453
454         /* TODO: PHY op on reg 0xb0 */
455
456         /* TODO: Should we restore it? Or store it in global PHY info? */
457         b43_phy_ht_read_clip_detection(dev, clip_state);
458
459         if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
460                 b43_phy_ht_bphy_init(dev);
461
462         b43_httab_write_bulk(dev, B43_HTTAB32(0x1a, 0xc0),
463                         B43_HTTAB_1A_C0_LATE_SIZE, b43_httab_0x1a_0xc0_late);
464
465         return 0;
466 }
467
468 static void b43_phy_ht_op_free(struct b43_wldev *dev)
469 {
470         struct b43_phy *phy = &dev->phy;
471         struct b43_phy_ht *phy_ht = phy->ht;
472
473         kfree(phy_ht);
474         phy->ht = NULL;
475 }
476
477 /* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */
478 static void b43_phy_ht_op_software_rfkill(struct b43_wldev *dev,
479                                         bool blocked)
480 {
481         if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
482                 b43err(dev->wl, "MAC not suspended\n");
483
484         /* In the following PHY ops we copy wl's dummy behaviour.
485          * TODO: Find out if reads (currently hidden in masks/masksets) are
486          * needed and replace following ops with just writes or w&r.
487          * Note: B43_PHY_HT_RF_CTL1 register is tricky, wrong operation can
488          * cause delayed (!) machine lock up. */
489         if (blocked) {
490                 b43_phy_mask(dev, B43_PHY_HT_RF_CTL1, 0);
491         } else {
492                 b43_phy_mask(dev, B43_PHY_HT_RF_CTL1, 0);
493                 b43_phy_maskset(dev, B43_PHY_HT_RF_CTL1, 0, 0x1);
494                 b43_phy_mask(dev, B43_PHY_HT_RF_CTL1, 0);
495                 b43_phy_maskset(dev, B43_PHY_HT_RF_CTL1, 0, 0x2);
496
497                 if (dev->phy.radio_ver == 0x2059)
498                         b43_radio_2059_init(dev);
499                 else
500                         B43_WARN_ON(1);
501
502                 b43_switch_channel(dev, dev->phy.channel);
503         }
504 }
505
506 static void b43_phy_ht_op_switch_analog(struct b43_wldev *dev, bool on)
507 {
508         if (on) {
509                 b43_phy_write(dev, B43_PHY_HT_AFE_CTL2, 0x00cd);
510                 b43_phy_write(dev, B43_PHY_HT_AFE_CTL1, 0x0000);
511                 b43_phy_write(dev, B43_PHY_HT_AFE_CTL4, 0x00cd);
512                 b43_phy_write(dev, B43_PHY_HT_AFE_CTL3, 0x0000);
513                 b43_phy_write(dev, B43_PHY_HT_AFE_CTL6, 0x00cd);
514                 b43_phy_write(dev, B43_PHY_HT_AFE_CTL5, 0x0000);
515         } else {
516                 b43_phy_write(dev, B43_PHY_HT_AFE_CTL1, 0x07ff);
517                 b43_phy_write(dev, B43_PHY_HT_AFE_CTL2, 0x00fd);
518                 b43_phy_write(dev, B43_PHY_HT_AFE_CTL3, 0x07ff);
519                 b43_phy_write(dev, B43_PHY_HT_AFE_CTL4, 0x00fd);
520                 b43_phy_write(dev, B43_PHY_HT_AFE_CTL5, 0x07ff);
521                 b43_phy_write(dev, B43_PHY_HT_AFE_CTL6, 0x00fd);
522         }
523 }
524
525 static int b43_phy_ht_op_switch_channel(struct b43_wldev *dev,
526                                         unsigned int new_channel)
527 {
528         struct ieee80211_channel *channel = dev->wl->hw->conf.channel;
529         enum nl80211_channel_type channel_type = dev->wl->hw->conf.channel_type;
530
531         if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
532                 if ((new_channel < 1) || (new_channel > 14))
533                         return -EINVAL;
534         } else {
535                 return -EINVAL;
536         }
537
538         return b43_phy_ht_set_channel(dev, channel, channel_type);
539 }
540
541 static unsigned int b43_phy_ht_op_get_default_chan(struct b43_wldev *dev)
542 {
543         if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
544                 return 11;
545         return 36;
546 }
547
548 /**************************************************
549  * R/W ops.
550  **************************************************/
551
552 static u16 b43_phy_ht_op_read(struct b43_wldev *dev, u16 reg)
553 {
554         b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
555         return b43_read16(dev, B43_MMIO_PHY_DATA);
556 }
557
558 static void b43_phy_ht_op_write(struct b43_wldev *dev, u16 reg, u16 value)
559 {
560         b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
561         b43_write16(dev, B43_MMIO_PHY_DATA, value);
562 }
563
564 static void b43_phy_ht_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask,
565                                  u16 set)
566 {
567         b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
568         b43_write16(dev, B43_MMIO_PHY_DATA,
569                     (b43_read16(dev, B43_MMIO_PHY_DATA) & mask) | set);
570 }
571
572 static u16 b43_phy_ht_op_radio_read(struct b43_wldev *dev, u16 reg)
573 {
574         /* HT-PHY needs 0x200 for read access */
575         reg |= 0x200;
576
577         b43_write16(dev, B43_MMIO_RADIO24_CONTROL, reg);
578         return b43_read16(dev, B43_MMIO_RADIO24_DATA);
579 }
580
581 static void b43_phy_ht_op_radio_write(struct b43_wldev *dev, u16 reg,
582                                       u16 value)
583 {
584         b43_write16(dev, B43_MMIO_RADIO24_CONTROL, reg);
585         b43_write16(dev, B43_MMIO_RADIO24_DATA, value);
586 }
587
588 static enum b43_txpwr_result
589 b43_phy_ht_op_recalc_txpower(struct b43_wldev *dev, bool ignore_tssi)
590 {
591         return B43_TXPWR_RES_DONE;
592 }
593
594 static void b43_phy_ht_op_adjust_txpower(struct b43_wldev *dev)
595 {
596 }
597
598 /**************************************************
599  * PHY ops struct.
600  **************************************************/
601
602 const struct b43_phy_operations b43_phyops_ht = {
603         .allocate               = b43_phy_ht_op_allocate,
604         .free                   = b43_phy_ht_op_free,
605         .prepare_structs        = b43_phy_ht_op_prepare_structs,
606         .init                   = b43_phy_ht_op_init,
607         .phy_read               = b43_phy_ht_op_read,
608         .phy_write              = b43_phy_ht_op_write,
609         .phy_maskset            = b43_phy_ht_op_maskset,
610         .radio_read             = b43_phy_ht_op_radio_read,
611         .radio_write            = b43_phy_ht_op_radio_write,
612         .software_rfkill        = b43_phy_ht_op_software_rfkill,
613         .switch_analog          = b43_phy_ht_op_switch_analog,
614         .switch_channel         = b43_phy_ht_op_switch_channel,
615         .get_default_chan       = b43_phy_ht_op_get_default_chan,
616         .recalc_txpower         = b43_phy_ht_op_recalc_txpower,
617         .adjust_txpower         = b43_phy_ht_op_adjust_txpower,
618 };