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
b43_radio_2059_channel_setup(struct b43_wldev * dev,const struct b43_phy_ht_channeltab_e_radio2059 * e)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
b43_radio_2059_init(struct b43_wldev * dev)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
b43_phy_ht_zero_extg(struct b43_wldev * dev)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 */
b43_phy_ht_afe_unk1(struct b43_wldev * dev)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
b43_phy_ht_force_rf_sequence(struct b43_wldev * dev,u16 rf_seq)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
b43_phy_ht_read_clip_detection(struct b43_wldev * dev,u16 * clip_st)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
b43_phy_ht_bphy_init(struct b43_wldev * dev)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
b43_phy_ht_channel_setup(struct b43_wldev * dev,const struct b43_phy_ht_channeltab_e_phy * e,struct ieee80211_channel * new_channel)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
b43_phy_ht_set_channel(struct b43_wldev * dev,struct ieee80211_channel * channel,enum nl80211_channel_type channel_type)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
b43_phy_ht_op_allocate(struct b43_wldev * dev)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
b43_phy_ht_op_prepare_structs(struct b43_wldev * dev)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
b43_phy_ht_op_init(struct b43_wldev * dev)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
b43_phy_ht_op_free(struct b43_wldev * dev)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 */
b43_phy_ht_op_software_rfkill(struct b43_wldev * dev,bool blocked)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
b43_phy_ht_op_switch_analog(struct b43_wldev * dev,bool on)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
b43_phy_ht_op_switch_channel(struct b43_wldev * dev,unsigned int new_channel)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
b43_phy_ht_op_get_default_chan(struct b43_wldev * dev)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
b43_phy_ht_op_read(struct b43_wldev * dev,u16 reg)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
b43_phy_ht_op_write(struct b43_wldev * dev,u16 reg,u16 value)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
b43_phy_ht_op_maskset(struct b43_wldev * dev,u16 reg,u16 mask,u16 set)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
b43_phy_ht_op_radio_read(struct b43_wldev * dev,u16 reg)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
b43_phy_ht_op_radio_write(struct b43_wldev * dev,u16 reg,u16 value)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
b43_phy_ht_op_recalc_txpower(struct b43_wldev * dev,bool ignore_tssi)589 b43_phy_ht_op_recalc_txpower(struct b43_wldev *dev, bool ignore_tssi)
590 {
591 return B43_TXPWR_RES_DONE;
592 }
593
b43_phy_ht_op_adjust_txpower(struct b43_wldev * dev)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 };
619