Commit | Line | Data |
---|---|---|
d7520b1d RM |
1 | /* |
2 | ||
3 | Broadcom B43 wireless driver | |
4 | IEEE 802.11n HT-PHY support | |
5 | ||
108f4f3c RM |
6 | Copyright (c) 2011 Rafał Miłecki <zajec5@gmail.com> |
7 | ||
d7520b1d RM |
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" | |
e5b61007 | 29 | #include "tables_phy_ht.h" |
5192bf56 | 30 | #include "radio_2059.h" |
d7520b1d RM |
31 | #include "main.h" |
32 | ||
3e644ab4 RM |
33 | /************************************************** |
34 | * Radio 2059. | |
35 | **************************************************/ | |
36 | ||
39ca554c RM |
37 | static void b43_radio_2059_channel_setup(struct b43_wldev *dev, |
38 | const struct b43_phy_ht_channeltab_e_radio2059 *e) | |
39 | { | |
a6b7da5d RM |
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++) { | |
e8dec1e9 | 66 | routing = i ? R2059_RXRX1 : R2059_TXRX0; |
a6b7da5d RM |
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 | ||
c1c3daee RM |
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); | |
39ca554c RM |
86 | } |
87 | ||
3e644ab4 RM |
88 | static void b43_radio_2059_init(struct b43_wldev *dev) |
89 | { | |
90 | const u16 routing[] = { R2059_SYN, R2059_TXRX0, R2059_RXRX1 }; | |
a5f377fb RM |
91 | const u16 radio_values[3][2] = { |
92 | { 0x61, 0xE9 }, { 0x69, 0xD5 }, { 0x73, 0x99 }, | |
93 | }; | |
94 | u16 i, j; | |
3e644ab4 RM |
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 | ||
a5f377fb RM |
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 | ||
b473bc17 | 153 | b43_radio_mask(dev, 0x11, ~0x0008); |
3e644ab4 RM |
154 | } |
155 | ||
15222b58 RM |
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 | ||
a4042bb0 RM |
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 | ||
c750f795 RM |
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 | ||
ea5a08cf RM |
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 | ||
b5058348 RM |
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 | ||
3e644ab4 RM |
242 | /************************************************** |
243 | * Channel switching ops. | |
244 | **************************************************/ | |
245 | ||
39ca554c RM |
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 | { | |
bdb2dfb2 | 250 | bool old_band_5ghz; |
e5b61007 | 251 | u8 i; |
bdb2dfb2 RM |
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); | |
e5b61007 RM |
266 | |
267 | /* TODO: some ops on PHY regs 0x0B0 and 0xC0A */ | |
268 | ||
269 | /* TODO: separated function? */ | |
270 | for (i = 0; i < 3; i++) { | |
bfc8dfec | 271 | u16 mask; |
e5b61007 RM |
272 | u32 tmp = b43_httab_read(dev, B43_HTTAB32(26, 0xE8)); |
273 | ||
bfc8dfec RM |
274 | if (0) /* FIXME */ |
275 | mask = 0x2 << (i * 4); | |
276 | else | |
277 | mask = 0; | |
278 | b43_phy_mask(dev, B43_PHY_EXTG(0x108), mask); | |
e5b61007 RM |
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); | |
39ca554c RM |
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 | ||
d7520b1d RM |
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 | ||
2d02c86b RM |
344 | static int b43_phy_ht_op_init(struct b43_wldev *dev) |
345 | { | |
19240f36 | 346 | u16 tmp; |
ea5a08cf | 347 | u16 clip_state[3]; |
19240f36 | 348 | |
2d02c86b RM |
349 | b43_phy_ht_tables_init(dev); |
350 | ||
357e24d2 RM |
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); | |
15222b58 RM |
355 | |
356 | b43_phy_ht_zero_extg(dev); | |
357 | ||
357e24d2 | 358 | b43_phy_mask(dev, B43_PHY_EXTG(0), ~0x3); |
f457f184 RM |
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 | ||
357e24d2 RM |
374 | b43_phy_read(dev, 0xb0); /* TODO: what for? */ |
375 | b43_phy_set(dev, 0xb0, 0x1); | |
f457f184 | 376 | |
357e24d2 RM |
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); | |
f457f184 RM |
382 | |
383 | b43_phy_write(dev, 0x0b9, 0x0072); | |
384 | ||
98f8dc72 RM |
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); | |
19240f36 | 388 | |
a4042bb0 RM |
389 | b43_phy_ht_afe_unk1(dev); |
390 | ||
98f8dc72 RM |
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); | |
a4042bb0 | 411 | |
357e24d2 RM |
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 | ||
98f8dc72 RM |
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); | |
357e24d2 RM |
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 | ||
19240f36 RM |
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 | ||
c750f795 RM |
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); | |
357e24d2 RM |
453 | |
454 | /* TODO: PHY op on reg 0xb0 */ | |
455 | ||
ea5a08cf RM |
456 | /* TODO: Should we restore it? Or store it in global PHY info? */ |
457 | b43_phy_ht_read_clip_detection(dev, clip_state); | |
b5058348 RM |
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 | ||
2d02c86b RM |
465 | return 0; |
466 | } | |
467 | ||
d7520b1d RM |
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 | ||
e7c62552 RM |
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 | ||
0b5dd734 RM |
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. */ | |
e7c62552 | 489 | if (blocked) { |
0b5dd734 | 490 | b43_phy_mask(dev, B43_PHY_HT_RF_CTL1, 0); |
e7c62552 | 491 | } else { |
0b5dd734 RM |
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); | |
3e644ab4 RM |
496 | |
497 | if (dev->phy.radio_ver == 0x2059) | |
498 | b43_radio_2059_init(dev); | |
499 | else | |
500 | B43_WARN_ON(1); | |
315a685f RM |
501 | |
502 | b43_switch_channel(dev, dev->phy.channel); | |
e7c62552 RM |
503 | } |
504 | } | |
505 | ||
a8e82749 RM |
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 | ||
39ca554c RM |
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 | ||
d7520b1d RM |
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) | |
315a685f | 544 | return 11; |
d7520b1d RM |
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 | ||
4cabd425 RM |
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 | ||
21a18f28 RM |
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 | ||
d7520b1d RM |
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, | |
d7520b1d | 606 | .init = b43_phy_ht_op_init, |
d7520b1d RM |
607 | .phy_read = b43_phy_ht_op_read, |
608 | .phy_write = b43_phy_ht_op_write, | |
609 | .phy_maskset = b43_phy_ht_op_maskset, | |
d7520b1d RM |
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, | |
d7520b1d | 615 | .get_default_chan = b43_phy_ht_op_get_default_chan, |
d7520b1d RM |
616 | .recalc_txpower = b43_phy_ht_op_recalc_txpower, |
617 | .adjust_txpower = b43_phy_ht_op_adjust_txpower, | |
d7520b1d | 618 | }; |