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John W. Linvillef2223132006-01-23 16:59:58 -05001/*
2
3 Broadcom BCM43xx wireless driver
4
5 Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
6 Stefano Brivio <st3@riseup.net>
7 Michael Buesch <mbuesch@freenet.de>
8 Danny van Dyk <kugelfang@gentoo.org>
9 Andreas Jaggi <andreas.jaggi@waterwave.ch>
10
11 Some parts of the code in this file are derived from the ipw2200
12 driver Copyright(c) 2003 - 2004 Intel Corporation.
13
14 This program is free software; you can redistribute it and/or modify
15 it under the terms of the GNU General Public License as published by
16 the Free Software Foundation; either version 2 of the License, or
17 (at your option) any later version.
18
19 This program is distributed in the hope that it will be useful,
20 but WITHOUT ANY WARRANTY; without even the implied warranty of
21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 GNU General Public License for more details.
23
24 You should have received a copy of the GNU General Public License
25 along with this program; see the file COPYING. If not, write to
26 the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
27 Boston, MA 02110-1301, USA.
28
29*/
30
31#include <linux/delay.h>
32#include <linux/pci.h>
33#include <linux/types.h>
34
35#include "bcm43xx.h"
36#include "bcm43xx_phy.h"
37#include "bcm43xx_main.h"
38#include "bcm43xx_radio.h"
39#include "bcm43xx_ilt.h"
40#include "bcm43xx_power.h"
41
42
43static const s8 bcm43xx_tssi2dbm_b_table[] = {
44 0x4D, 0x4C, 0x4B, 0x4A,
45 0x4A, 0x49, 0x48, 0x47,
46 0x47, 0x46, 0x45, 0x45,
47 0x44, 0x43, 0x42, 0x42,
48 0x41, 0x40, 0x3F, 0x3E,
49 0x3D, 0x3C, 0x3B, 0x3A,
50 0x39, 0x38, 0x37, 0x36,
51 0x35, 0x34, 0x32, 0x31,
52 0x30, 0x2F, 0x2D, 0x2C,
53 0x2B, 0x29, 0x28, 0x26,
54 0x25, 0x23, 0x21, 0x1F,
55 0x1D, 0x1A, 0x17, 0x14,
56 0x10, 0x0C, 0x06, 0x00,
57 -7, -7, -7, -7,
58 -7, -7, -7, -7,
59 -7, -7, -7, -7,
60};
61
62static const s8 bcm43xx_tssi2dbm_g_table[] = {
63 77, 77, 77, 76,
64 76, 76, 75, 75,
65 74, 74, 73, 73,
66 73, 72, 72, 71,
67 71, 70, 70, 69,
68 68, 68, 67, 67,
69 66, 65, 65, 64,
70 63, 63, 62, 61,
71 60, 59, 58, 57,
72 56, 55, 54, 53,
73 52, 50, 49, 47,
74 45, 43, 40, 37,
75 33, 28, 22, 14,
76 5, -7, -20, -20,
77 -20, -20, -20, -20,
78 -20, -20, -20, -20,
79};
80
81static void bcm43xx_phy_initg(struct bcm43xx_private *bcm);
82
83
84void bcm43xx_raw_phy_lock(struct bcm43xx_private *bcm)
85{
86 struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
87
88 assert(irqs_disabled());
89 if (bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD) == 0x00000000) {
90 phy->is_locked = 0;
91 return;
92 }
93 if (bcm->current_core->rev < 3) {
94 bcm43xx_mac_suspend(bcm);
95 spin_lock(&phy->lock);
96 } else {
97 if (bcm->ieee->iw_mode != IW_MODE_MASTER)
98 bcm43xx_power_saving_ctl_bits(bcm, -1, 1);
99 }
100 phy->is_locked = 1;
101}
102
103void bcm43xx_raw_phy_unlock(struct bcm43xx_private *bcm)
104{
105 struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
106
107 assert(irqs_disabled());
108 if (bcm->current_core->rev < 3) {
109 if (phy->is_locked) {
110 spin_unlock(&phy->lock);
111 bcm43xx_mac_enable(bcm);
112 }
113 } else {
114 if (bcm->ieee->iw_mode != IW_MODE_MASTER)
115 bcm43xx_power_saving_ctl_bits(bcm, -1, -1);
116 }
117 phy->is_locked = 0;
118}
119
120u16 bcm43xx_phy_read(struct bcm43xx_private *bcm, u16 offset)
121{
122 bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_CONTROL, offset);
123 return bcm43xx_read16(bcm, BCM43xx_MMIO_PHY_DATA);
124}
125
126void bcm43xx_phy_write(struct bcm43xx_private *bcm, u16 offset, u16 val)
127{
128 bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_CONTROL, offset);
Michael Buesch73733842006-03-12 19:44:29 +0100129 mmiowb();
John W. Linvillef2223132006-01-23 16:59:58 -0500130 bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_DATA, val);
131}
132
133void bcm43xx_phy_calibrate(struct bcm43xx_private *bcm)
134{
135 struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
136 unsigned long flags;
137
138 bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); /* Dummy read. */
139 if (phy->calibrated)
140 return;
141 if (phy->type == BCM43xx_PHYTYPE_G && phy->rev == 1) {
142 /* We do not want to be preempted while calibrating
143 * the hardware.
144 */
145 local_irq_save(flags);
146
147 bcm43xx_wireless_core_reset(bcm, 0);
148 bcm43xx_phy_initg(bcm);
149 bcm43xx_wireless_core_reset(bcm, 1);
150
151 local_irq_restore(flags);
152 }
153 phy->calibrated = 1;
154}
155
156/* Connect the PHY
157 * http://bcm-specs.sipsolutions.net/SetPHY
158 */
159int bcm43xx_phy_connect(struct bcm43xx_private *bcm, int connect)
160{
161 u32 flags;
162
163 if (bcm->current_core->rev < 5) {
164 if (connect) {
165 bcm->current_core->phy->connected = 1;
166 dprintk(KERN_INFO PFX "PHY connected\n");
167 } else {
168 bcm->current_core->phy->connected = 0;
169 dprintk(KERN_INFO PFX "PHY disconnected\n");
170 }
171 return 0;
172 }
173
174 flags = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH);
175 if (connect) {
176 if (!(flags & 0x00010000))
177 return -ENODEV;
178 bcm->current_core->phy->connected = 1;
179
180 flags = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
181 flags |= (0x800 << 18);
182 bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, flags);
183 dprintk(KERN_INFO PFX "PHY connected\n");
184 } else {
185 if (!(flags & 0x00020000))
186 return -ENODEV;
187 bcm->current_core->phy->connected = 0;
188
189 flags = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
190 flags &= ~(0x800 << 18);
191 bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, flags);
192 dprintk(KERN_INFO PFX "PHY disconnected\n");
193 }
194
195 return 0;
196}
197
198/* intialize B PHY power control
199 * as described in http://bcm-specs.sipsolutions.net/InitPowerControl
200 */
201static void bcm43xx_phy_init_pctl(struct bcm43xx_private *bcm)
202{
203 struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
204 struct bcm43xx_radioinfo *radio = bcm->current_core->radio;
205 u16 saved_batt = 0, saved_ratt = 0, saved_txctl1 = 0;
206 int must_reset_txpower = 0;
207
208 assert(phy->type != BCM43xx_PHYTYPE_A);
209 if ((bcm->board_vendor == PCI_VENDOR_ID_BROADCOM) &&
210 (bcm->board_type == 0x0416))
211 return;
212
213 bcm43xx_write16(bcm, 0x03E6, bcm43xx_read16(bcm, 0x03E6) & 0xFFDF);
214 bcm43xx_phy_write(bcm, 0x0028, 0x8018);
215
216 if (phy->type == BCM43xx_PHYTYPE_G) {
217 if (!phy->connected)
218 return;
219 bcm43xx_phy_write(bcm, 0x047A, 0xC111);
220 }
221 if (phy->savedpctlreg != 0xFFFF)
222 return;
223
224 if (phy->type == BCM43xx_PHYTYPE_B &&
225 phy->rev >= 2 &&
226 radio->version == 0x2050) {
227 bcm43xx_radio_write16(bcm, 0x0076,
228 bcm43xx_radio_read16(bcm, 0x0076) | 0x0084);
229 } else {
230 saved_batt = radio->txpower[0];
231 saved_ratt = radio->txpower[1];
232 saved_txctl1 = radio->txpower[2];
233 if ((radio->revision >= 6) && (radio->revision <= 8)
234 && /*FIXME: incomplete specs for 5 < revision < 9 */ 0)
235 bcm43xx_radio_set_txpower_bg(bcm, 0xB, 0x1F, 0);
236 else
237 bcm43xx_radio_set_txpower_bg(bcm, 0xB, 9, 0);
238 must_reset_txpower = 1;
239 }
240 bcm43xx_dummy_transmission(bcm);
241
242 phy->savedpctlreg = bcm43xx_phy_read(bcm, BCM43xx_PHY_G_PCTL);
243
244 if (must_reset_txpower)
245 bcm43xx_radio_set_txpower_bg(bcm, saved_batt, saved_ratt, saved_txctl1);
246 else
247 bcm43xx_radio_write16(bcm, 0x0076, bcm43xx_radio_read16(bcm, 0x0076) & 0xFF7B);
248 bcm43xx_radio_clear_tssi(bcm);
249}
250
251static void bcm43xx_phy_agcsetup(struct bcm43xx_private *bcm)
252{
253 struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
254 u16 offset = 0x0000;
255
256 if (phy->rev == 1)
257 offset = 0x4C00;
258
Michael Buesch73733842006-03-12 19:44:29 +0100259 bcm43xx_ilt_write(bcm, offset, 0x00FE);
260 bcm43xx_ilt_write(bcm, offset + 1, 0x000D);
261 bcm43xx_ilt_write(bcm, offset + 2, 0x0013);
262 bcm43xx_ilt_write(bcm, offset + 3, 0x0019);
John W. Linvillef2223132006-01-23 16:59:58 -0500263
264 if (phy->rev == 1) {
Michael Buesch73733842006-03-12 19:44:29 +0100265 bcm43xx_ilt_write(bcm, 0x1800, 0x2710);
266 bcm43xx_ilt_write(bcm, 0x1801, 0x9B83);
267 bcm43xx_ilt_write(bcm, 0x1802, 0x9B83);
268 bcm43xx_ilt_write(bcm, 0x1803, 0x0F8D);
John W. Linvillef2223132006-01-23 16:59:58 -0500269 bcm43xx_phy_write(bcm, 0x0455, 0x0004);
270 }
271
272 bcm43xx_phy_write(bcm, 0x04A5, (bcm43xx_phy_read(bcm, 0x04A5) & 0x00FF) | 0x5700);
273 bcm43xx_phy_write(bcm, 0x041A, (bcm43xx_phy_read(bcm, 0x041A) & 0xFF80) | 0x000F);
274 bcm43xx_phy_write(bcm, 0x041A, (bcm43xx_phy_read(bcm, 0x041A) & 0xC07F) | 0x2B80);
275 bcm43xx_phy_write(bcm, 0x048C, (bcm43xx_phy_read(bcm, 0x048C) & 0xF0FF) | 0x0300);
276
277 bcm43xx_radio_write16(bcm, 0x007A, bcm43xx_radio_read16(bcm, 0x007A) | 0x0008);
278
279 bcm43xx_phy_write(bcm, 0x04A0, (bcm43xx_phy_read(bcm, 0x04A0) & 0xFFF0) | 0x0008);
280 bcm43xx_phy_write(bcm, 0x04A1, (bcm43xx_phy_read(bcm, 0x04A1) & 0xF0FF) | 0x0600);
281 bcm43xx_phy_write(bcm, 0x04A2, (bcm43xx_phy_read(bcm, 0x04A2) & 0xF0FF) | 0x0700);
282 bcm43xx_phy_write(bcm, 0x04A0, (bcm43xx_phy_read(bcm, 0x04A0) & 0xF0FF) | 0x0100);
283
284 if (phy->rev == 1)
285 bcm43xx_phy_write(bcm, 0x04A2, (bcm43xx_phy_read(bcm, 0x04A2) & 0xFFF0) | 0x0007);
286
287 bcm43xx_phy_write(bcm, 0x0488, (bcm43xx_phy_read(bcm, 0x0488) & 0xFF00) | 0x001C);
288 bcm43xx_phy_write(bcm, 0x0488, (bcm43xx_phy_read(bcm, 0x0488) & 0xC0FF) | 0x0200);
289 bcm43xx_phy_write(bcm, 0x0496, (bcm43xx_phy_read(bcm, 0x0496) & 0xFF00) | 0x001C);
290 bcm43xx_phy_write(bcm, 0x0489, (bcm43xx_phy_read(bcm, 0x0489) & 0xFF00) | 0x0020);
291 bcm43xx_phy_write(bcm, 0x0489, (bcm43xx_phy_read(bcm, 0x0489) & 0xC0FF) | 0x0200);
292 bcm43xx_phy_write(bcm, 0x0482, (bcm43xx_phy_read(bcm, 0x0482) & 0xFF00) | 0x002E);
293 bcm43xx_phy_write(bcm, 0x0496, (bcm43xx_phy_read(bcm, 0x0496) & 0x00FF) | 0x1A00);
294 bcm43xx_phy_write(bcm, 0x0481, (bcm43xx_phy_read(bcm, 0x0481) & 0xFF00) | 0x0028);
295 bcm43xx_phy_write(bcm, 0x0481, (bcm43xx_phy_read(bcm, 0x0481) & 0x00FF) | 0x2C00);
296
297 if (phy->rev == 1) {
298 bcm43xx_phy_write(bcm, 0x0430, 0x092B);
299 bcm43xx_phy_write(bcm, 0x041B, (bcm43xx_phy_read(bcm, 0x041B) & 0xFFE1) | 0x0002);
300 } else {
301 bcm43xx_phy_write(bcm, 0x041B, bcm43xx_phy_read(bcm, 0x041B) & 0xFFE1);
302 bcm43xx_phy_write(bcm, 0x041F, 0x287A);
303 bcm43xx_phy_write(bcm, 0x0420, (bcm43xx_phy_read(bcm, 0x0420) & 0xFFF0) | 0x0004);
304 }
305
306 if (phy->rev > 2) {
307 bcm43xx_phy_write(bcm, 0x0422, 0x287A);
308 bcm43xx_phy_write(bcm, 0x0420, (bcm43xx_phy_read(bcm, 0x0420) & 0x0FFF) | 0x3000);
309 }
310
311 bcm43xx_phy_write(bcm, 0x04A8, (bcm43xx_phy_read(bcm, 0x04A8) & 0x8080) | 0x7874);
312 bcm43xx_phy_write(bcm, 0x048E, 0x1C00);
313
314 if (phy->rev == 1) {
315 bcm43xx_phy_write(bcm, 0x04AB, (bcm43xx_phy_read(bcm, 0x04AB) & 0xF0FF) | 0x0600);
316 bcm43xx_phy_write(bcm, 0x048B, 0x005E);
317 bcm43xx_phy_write(bcm, 0x048C, (bcm43xx_phy_read(bcm, 0x048C) & 0xFF00) | 0x001E);
318 bcm43xx_phy_write(bcm, 0x048D, 0x0002);
319 }
320
Michael Buesch73733842006-03-12 19:44:29 +0100321 bcm43xx_ilt_write(bcm, offset + 0x0800, 0);
322 bcm43xx_ilt_write(bcm, offset + 0x0801, 7);
323 bcm43xx_ilt_write(bcm, offset + 0x0802, 16);
324 bcm43xx_ilt_write(bcm, offset + 0x0803, 28);
John W. Linvillef2223132006-01-23 16:59:58 -0500325}
326
327static void bcm43xx_phy_setupg(struct bcm43xx_private *bcm)
328{
329 struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
330 u16 i;
331
332 assert(phy->type == BCM43xx_PHYTYPE_G);
333 if (phy->rev == 1) {
334 bcm43xx_phy_write(bcm, 0x0406, 0x4F19);
335 bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS,
336 (bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & 0xFC3F) | 0x0340);
337 bcm43xx_phy_write(bcm, 0x042C, 0x005A);
338 bcm43xx_phy_write(bcm, 0x0427, 0x001A);
339
340 for (i = 0; i < BCM43xx_ILT_FINEFREQG_SIZE; i++)
Michael Buesch73733842006-03-12 19:44:29 +0100341 bcm43xx_ilt_write(bcm, 0x5800 + i, bcm43xx_ilt_finefreqg[i]);
John W. Linvillef2223132006-01-23 16:59:58 -0500342 for (i = 0; i < BCM43xx_ILT_NOISEG1_SIZE; i++)
Michael Buesch73733842006-03-12 19:44:29 +0100343 bcm43xx_ilt_write(bcm, 0x1800 + i, bcm43xx_ilt_noiseg1[i]);
John W. Linvillef2223132006-01-23 16:59:58 -0500344 for (i = 0; i < BCM43xx_ILT_ROTOR_SIZE; i++)
Michael Buesch73733842006-03-12 19:44:29 +0100345 bcm43xx_ilt_write(bcm, 0x2000 + i, bcm43xx_ilt_rotor[i]);
John W. Linvillef2223132006-01-23 16:59:58 -0500346 } else {
347 /* nrssi values are signed 6-bit values. Not sure why we write 0x7654 here... */
348 bcm43xx_nrssi_hw_write(bcm, 0xBA98, (s16)0x7654);
349
350 if (phy->rev == 2) {
351 bcm43xx_phy_write(bcm, 0x04C0, 0x1861);
352 bcm43xx_phy_write(bcm, 0x04C1, 0x0271);
353 } else if (phy->rev > 2) {
354 bcm43xx_phy_write(bcm, 0x04C0, 0x0098);
355 bcm43xx_phy_write(bcm, 0x04C1, 0x0070);
356 bcm43xx_phy_write(bcm, 0x04C9, 0x0080);
357 }
358 bcm43xx_phy_write(bcm, 0x042B, bcm43xx_phy_read(bcm, 0x042B) | 0x800);
359
360 for (i = 0; i < 64; i++)
Michael Buesch73733842006-03-12 19:44:29 +0100361 bcm43xx_ilt_write(bcm, 0x4000 + i, i);
John W. Linvillef2223132006-01-23 16:59:58 -0500362 for (i = 0; i < BCM43xx_ILT_NOISEG2_SIZE; i++)
Michael Buesch73733842006-03-12 19:44:29 +0100363 bcm43xx_ilt_write(bcm, 0x1800 + i, bcm43xx_ilt_noiseg2[i]);
John W. Linvillef2223132006-01-23 16:59:58 -0500364 }
365
366 if (phy->rev <= 2)
367 for (i = 0; i < BCM43xx_ILT_NOISESCALEG_SIZE; i++)
Michael Buesch73733842006-03-12 19:44:29 +0100368 bcm43xx_ilt_write(bcm, 0x1400 + i, bcm43xx_ilt_noisescaleg1[i]);
John W. Linvillef2223132006-01-23 16:59:58 -0500369 else if ((phy->rev == 7) && (bcm43xx_phy_read(bcm, 0x0449) & 0x0200))
370 for (i = 0; i < BCM43xx_ILT_NOISESCALEG_SIZE; i++)
Michael Buesch73733842006-03-12 19:44:29 +0100371 bcm43xx_ilt_write(bcm, 0x1400 + i, bcm43xx_ilt_noisescaleg3[i]);
John W. Linvillef2223132006-01-23 16:59:58 -0500372 else
373 for (i = 0; i < BCM43xx_ILT_NOISESCALEG_SIZE; i++)
Michael Buesch73733842006-03-12 19:44:29 +0100374 bcm43xx_ilt_write(bcm, 0x1400 + i, bcm43xx_ilt_noisescaleg2[i]);
John W. Linvillef2223132006-01-23 16:59:58 -0500375
376 if (phy->rev == 2)
377 for (i = 0; i < BCM43xx_ILT_SIGMASQR_SIZE; i++)
Michael Buesch73733842006-03-12 19:44:29 +0100378 bcm43xx_ilt_write(bcm, 0x5000 + i, bcm43xx_ilt_sigmasqr1[i]);
John W. Linvillef2223132006-01-23 16:59:58 -0500379 else if ((phy->rev > 2) && (phy->rev <= 7))
380 for (i = 0; i < BCM43xx_ILT_SIGMASQR_SIZE; i++)
Michael Buesch73733842006-03-12 19:44:29 +0100381 bcm43xx_ilt_write(bcm, 0x5000 + i, bcm43xx_ilt_sigmasqr2[i]);
John W. Linvillef2223132006-01-23 16:59:58 -0500382
383 if (phy->rev == 1) {
384 for (i = 0; i < BCM43xx_ILT_RETARD_SIZE; i++)
Michael Buesch73733842006-03-12 19:44:29 +0100385 bcm43xx_ilt_write(bcm, 0x2400 + i, bcm43xx_ilt_retard[i]);
John W. Linvillef2223132006-01-23 16:59:58 -0500386 for (i = 0; i < 4; i++) {
Michael Buesch73733842006-03-12 19:44:29 +0100387 bcm43xx_ilt_write(bcm, 0x5404 + i, 0x0020);
388 bcm43xx_ilt_write(bcm, 0x5408 + i, 0x0020);
389 bcm43xx_ilt_write(bcm, 0x540C + i, 0x0020);
390 bcm43xx_ilt_write(bcm, 0x5410 + i, 0x0020);
John W. Linvillef2223132006-01-23 16:59:58 -0500391 }
392 bcm43xx_phy_agcsetup(bcm);
393
394 if ((bcm->board_vendor == PCI_VENDOR_ID_BROADCOM) &&
395 (bcm->board_type == 0x0416) &&
396 (bcm->board_revision == 0x0017))
397 return;
398
Michael Buesch73733842006-03-12 19:44:29 +0100399 bcm43xx_ilt_write(bcm, 0x5001, 0x0002);
400 bcm43xx_ilt_write(bcm, 0x5002, 0x0001);
John W. Linvillef2223132006-01-23 16:59:58 -0500401 } else {
402 for (i = 0; i <= 0x2F; i++)
Michael Buesch73733842006-03-12 19:44:29 +0100403 bcm43xx_ilt_write(bcm, 0x1000 + i, 0x0820);
John W. Linvillef2223132006-01-23 16:59:58 -0500404 bcm43xx_phy_agcsetup(bcm);
405 bcm43xx_phy_read(bcm, 0x0400); /* dummy read */
406 bcm43xx_phy_write(bcm, 0x0403, 0x1000);
Michael Buesch73733842006-03-12 19:44:29 +0100407 bcm43xx_ilt_write(bcm, 0x3C02, 0x000F);
408 bcm43xx_ilt_write(bcm, 0x3C03, 0x0014);
John W. Linvillef2223132006-01-23 16:59:58 -0500409
410 if ((bcm->board_vendor == PCI_VENDOR_ID_BROADCOM) &&
411 (bcm->board_type == 0x0416) &&
412 (bcm->board_revision == 0x0017))
413 return;
414
Michael Buesch73733842006-03-12 19:44:29 +0100415 bcm43xx_ilt_write(bcm, 0x0401, 0x0002);
416 bcm43xx_ilt_write(bcm, 0x0402, 0x0001);
John W. Linvillef2223132006-01-23 16:59:58 -0500417 }
418}
419
420/* Initialize the noisescaletable for APHY */
421static void bcm43xx_phy_init_noisescaletbl(struct bcm43xx_private *bcm)
422{
423 struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
424 int i;
425
426 bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_CTRL, 0x1400);
427 for (i = 0; i < 12; i++) {
428 if (phy->rev == 2)
429 bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x6767);
430 else
431 bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x2323);
432 }
433 if (phy->rev == 2)
434 bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x6700);
435 else
436 bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x2300);
437 for (i = 0; i < 11; i++) {
438 if (phy->rev == 2)
439 bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x6767);
440 else
441 bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x2323);
442 }
443 if (phy->rev == 2)
444 bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x0067);
445 else
446 bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x0023);
447}
448
449static void bcm43xx_phy_setupa(struct bcm43xx_private *bcm)
450{
451 u16 i;
452
453 assert(bcm->current_core->phy->type == BCM43xx_PHYTYPE_A);
454 switch (bcm->current_core->phy->rev) {
455 case 2:
456 bcm43xx_phy_write(bcm, 0x008E, 0x3800);
457 bcm43xx_phy_write(bcm, 0x0035, 0x03FF);
458 bcm43xx_phy_write(bcm, 0x0036, 0x0400);
459
Michael Buesch73733842006-03-12 19:44:29 +0100460 bcm43xx_ilt_write(bcm, 0x3807, 0x0051);
John W. Linvillef2223132006-01-23 16:59:58 -0500461
462 bcm43xx_phy_write(bcm, 0x001C, 0x0FF9);
463 bcm43xx_phy_write(bcm, 0x0020, bcm43xx_phy_read(bcm, 0x0020) & 0xFF0F);
Michael Buesch73733842006-03-12 19:44:29 +0100464 bcm43xx_ilt_write(bcm, 0x3C0C, 0x07BF);
John W. Linvillef2223132006-01-23 16:59:58 -0500465 bcm43xx_radio_write16(bcm, 0x0002, 0x07BF);
466
467 bcm43xx_phy_write(bcm, 0x0024, 0x4680);
468 bcm43xx_phy_write(bcm, 0x0020, 0x0003);
469 bcm43xx_phy_write(bcm, 0x001D, 0x0F40);
470 bcm43xx_phy_write(bcm, 0x001F, 0x1C00);
471
472 bcm43xx_phy_write(bcm, 0x002A, (bcm43xx_phy_read(bcm, 0x002A) & 0x00FF) | 0x0400);
473 bcm43xx_phy_write(bcm, 0x002B, bcm43xx_phy_read(bcm, 0x002B) & 0xFBFF);
474 bcm43xx_phy_write(bcm, 0x008E, 0x58C1);
475
Michael Buesch73733842006-03-12 19:44:29 +0100476 bcm43xx_ilt_write(bcm, 0x0803, 0x000F);
477 bcm43xx_ilt_write(bcm, 0x0804, 0x001F);
478 bcm43xx_ilt_write(bcm, 0x0805, 0x002A);
479 bcm43xx_ilt_write(bcm, 0x0805, 0x0030);
480 bcm43xx_ilt_write(bcm, 0x0807, 0x003A);
John W. Linvillef2223132006-01-23 16:59:58 -0500481
Michael Buesch73733842006-03-12 19:44:29 +0100482 bcm43xx_ilt_write(bcm, 0x0000, 0x0013);
483 bcm43xx_ilt_write(bcm, 0x0001, 0x0013);
484 bcm43xx_ilt_write(bcm, 0x0002, 0x0013);
485 bcm43xx_ilt_write(bcm, 0x0003, 0x0013);
486 bcm43xx_ilt_write(bcm, 0x0004, 0x0015);
487 bcm43xx_ilt_write(bcm, 0x0005, 0x0015);
488 bcm43xx_ilt_write(bcm, 0x0006, 0x0019);
John W. Linvillef2223132006-01-23 16:59:58 -0500489
Michael Buesch73733842006-03-12 19:44:29 +0100490 bcm43xx_ilt_write(bcm, 0x0404, 0x0003);
491 bcm43xx_ilt_write(bcm, 0x0405, 0x0003);
492 bcm43xx_ilt_write(bcm, 0x0406, 0x0007);
John W. Linvillef2223132006-01-23 16:59:58 -0500493
494 for (i = 0; i < 16; i++)
Michael Buesch73733842006-03-12 19:44:29 +0100495 bcm43xx_ilt_write(bcm, 0x4000 + i, (0x8 + i) & 0x000F);
John W. Linvillef2223132006-01-23 16:59:58 -0500496
Michael Buesch73733842006-03-12 19:44:29 +0100497 bcm43xx_ilt_write(bcm, 0x3003, 0x1044);
498 bcm43xx_ilt_write(bcm, 0x3004, 0x7201);
499 bcm43xx_ilt_write(bcm, 0x3006, 0x0040);
500 bcm43xx_ilt_write(bcm, 0x3001, (bcm43xx_ilt_read(bcm, 0x3001) & 0x0010) | 0x0008);
John W. Linvillef2223132006-01-23 16:59:58 -0500501
502 for (i = 0; i < BCM43xx_ILT_FINEFREQA_SIZE; i++)
Michael Buesch73733842006-03-12 19:44:29 +0100503 bcm43xx_ilt_write(bcm, 0x5800 + i, bcm43xx_ilt_finefreqa[i]);
John W. Linvillef2223132006-01-23 16:59:58 -0500504 for (i = 0; i < BCM43xx_ILT_NOISEA2_SIZE; i++)
Michael Buesch73733842006-03-12 19:44:29 +0100505 bcm43xx_ilt_write(bcm, 0x1800 + i, bcm43xx_ilt_noisea2[i]);
John W. Linvillef2223132006-01-23 16:59:58 -0500506 for (i = 0; i < BCM43xx_ILT_ROTOR_SIZE; i++)
Michael Buesch73733842006-03-12 19:44:29 +0100507 bcm43xx_ilt_write(bcm, 0x2000 + i, bcm43xx_ilt_rotor[i]);
John W. Linvillef2223132006-01-23 16:59:58 -0500508 bcm43xx_phy_init_noisescaletbl(bcm);
509 for (i = 0; i < BCM43xx_ILT_RETARD_SIZE; i++)
Michael Buesch73733842006-03-12 19:44:29 +0100510 bcm43xx_ilt_write(bcm, 0x2400 + i, bcm43xx_ilt_retard[i]);
John W. Linvillef2223132006-01-23 16:59:58 -0500511 break;
512 case 3:
513 for (i = 0; i < 64; i++)
Michael Buesch73733842006-03-12 19:44:29 +0100514 bcm43xx_ilt_write(bcm, 0x4000 + i, i);
John W. Linvillef2223132006-01-23 16:59:58 -0500515
Michael Buesch73733842006-03-12 19:44:29 +0100516 bcm43xx_ilt_write(bcm, 0x3807, 0x0051);
John W. Linvillef2223132006-01-23 16:59:58 -0500517
518 bcm43xx_phy_write(bcm, 0x001C, 0x0FF9);
519 bcm43xx_phy_write(bcm, 0x0020, bcm43xx_phy_read(bcm, 0x0020) & 0xFF0F);
520 bcm43xx_radio_write16(bcm, 0x0002, 0x07BF);
521
522 bcm43xx_phy_write(bcm, 0x0024, 0x4680);
523 bcm43xx_phy_write(bcm, 0x0020, 0x0003);
524 bcm43xx_phy_write(bcm, 0x001D, 0x0F40);
525 bcm43xx_phy_write(bcm, 0x001F, 0x1C00);
526 bcm43xx_phy_write(bcm, 0x002A, (bcm43xx_phy_read(bcm, 0x002A) & 0x00FF) | 0x0400);
527
Michael Buesch73733842006-03-12 19:44:29 +0100528 bcm43xx_ilt_write(bcm, 0x3001, (bcm43xx_ilt_read(bcm, 0x3001) & 0x0010) | 0x0008);
John W. Linvillef2223132006-01-23 16:59:58 -0500529 for (i = 0; i < BCM43xx_ILT_NOISEA3_SIZE; i++)
Michael Buesch73733842006-03-12 19:44:29 +0100530 bcm43xx_ilt_write(bcm, 0x1800 + i, bcm43xx_ilt_noisea3[i]);
John W. Linvillef2223132006-01-23 16:59:58 -0500531 bcm43xx_phy_init_noisescaletbl(bcm);
532 for (i = 0; i < BCM43xx_ILT_SIGMASQR_SIZE; i++)
Michael Buesch73733842006-03-12 19:44:29 +0100533 bcm43xx_ilt_write(bcm, 0x5000 + i, bcm43xx_ilt_sigmasqr1[i]);
John W. Linvillef2223132006-01-23 16:59:58 -0500534
535 bcm43xx_phy_write(bcm, 0x0003, 0x1808);
536
Michael Buesch73733842006-03-12 19:44:29 +0100537 bcm43xx_ilt_write(bcm, 0x0803, 0x000F);
538 bcm43xx_ilt_write(bcm, 0x0804, 0x001F);
539 bcm43xx_ilt_write(bcm, 0x0805, 0x002A);
540 bcm43xx_ilt_write(bcm, 0x0805, 0x0030);
541 bcm43xx_ilt_write(bcm, 0x0807, 0x003A);
John W. Linvillef2223132006-01-23 16:59:58 -0500542
Michael Buesch73733842006-03-12 19:44:29 +0100543 bcm43xx_ilt_write(bcm, 0x0000, 0x0013);
544 bcm43xx_ilt_write(bcm, 0x0001, 0x0013);
545 bcm43xx_ilt_write(bcm, 0x0002, 0x0013);
546 bcm43xx_ilt_write(bcm, 0x0003, 0x0013);
547 bcm43xx_ilt_write(bcm, 0x0004, 0x0015);
548 bcm43xx_ilt_write(bcm, 0x0005, 0x0015);
549 bcm43xx_ilt_write(bcm, 0x0006, 0x0019);
John W. Linvillef2223132006-01-23 16:59:58 -0500550
Michael Buesch73733842006-03-12 19:44:29 +0100551 bcm43xx_ilt_write(bcm, 0x0404, 0x0003);
552 bcm43xx_ilt_write(bcm, 0x0405, 0x0003);
553 bcm43xx_ilt_write(bcm, 0x0406, 0x0007);
John W. Linvillef2223132006-01-23 16:59:58 -0500554
Michael Buesch73733842006-03-12 19:44:29 +0100555 bcm43xx_ilt_write(bcm, 0x3C02, 0x000F);
556 bcm43xx_ilt_write(bcm, 0x3C03, 0x0014);
John W. Linvillef2223132006-01-23 16:59:58 -0500557 break;
558 default:
559 assert(0);
560 }
561}
562
563/* Initialize APHY. This is also called for the GPHY in some cases. */
564static void bcm43xx_phy_inita(struct bcm43xx_private *bcm)
565{
566 struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
567 u16 tval;
568
569 if (phy->type == BCM43xx_PHYTYPE_A) {
570 bcm43xx_phy_setupa(bcm);
571 } else {
572 bcm43xx_phy_setupg(bcm);
573 if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL)
574 bcm43xx_phy_write(bcm, 0x046E, 0x03CF);
575 return;
576 }
577
578 bcm43xx_phy_write(bcm, BCM43xx_PHY_A_CRS,
579 (bcm43xx_phy_read(bcm, BCM43xx_PHY_A_CRS) & 0xF83C) | 0x0340);
580 bcm43xx_phy_write(bcm, 0x0034, 0x0001);
581
582 TODO();//TODO: RSSI AGC
583 bcm43xx_phy_write(bcm, BCM43xx_PHY_A_CRS,
584 bcm43xx_phy_read(bcm, BCM43xx_PHY_A_CRS) | (1 << 14));
585 bcm43xx_radio_init2060(bcm);
586
587 if ((bcm->board_vendor == PCI_VENDOR_ID_BROADCOM)
588 && ((bcm->board_type == 0x0416) || (bcm->board_type == 0x040A))) {
589 if (bcm->current_core->radio->lofcal == 0xFFFF) {
590 TODO();//TODO: LOF Cal
591 bcm43xx_radio_set_tx_iq(bcm);
592 } else
593 bcm43xx_radio_write16(bcm, 0x001E, bcm->current_core->radio->lofcal);
594 }
595
596 bcm43xx_phy_write(bcm, 0x007A, 0xF111);
597
598 if (phy->savedpctlreg == 0xFFFF) {
599 bcm43xx_radio_write16(bcm, 0x0019, 0x0000);
600 bcm43xx_radio_write16(bcm, 0x0017, 0x0020);
601
Michael Buesch73733842006-03-12 19:44:29 +0100602 tval = bcm43xx_ilt_read(bcm, 0x3001);
John W. Linvillef2223132006-01-23 16:59:58 -0500603 if (phy->rev == 1) {
Michael Buesch73733842006-03-12 19:44:29 +0100604 bcm43xx_ilt_write(bcm, 0x3001,
605 (bcm43xx_ilt_read(bcm, 0x3001) & 0xFF87)
606 | 0x0058);
John W. Linvillef2223132006-01-23 16:59:58 -0500607 } else {
Michael Buesch73733842006-03-12 19:44:29 +0100608 bcm43xx_ilt_write(bcm, 0x3001,
609 (bcm43xx_ilt_read(bcm, 0x3001) & 0xFFC3)
610 | 0x002C);
John W. Linvillef2223132006-01-23 16:59:58 -0500611 }
612 bcm43xx_dummy_transmission(bcm);
613 phy->savedpctlreg = bcm43xx_phy_read(bcm, BCM43xx_PHY_A_PCTL);
Michael Buesch73733842006-03-12 19:44:29 +0100614 bcm43xx_ilt_write(bcm, 0x3001, tval);
John W. Linvillef2223132006-01-23 16:59:58 -0500615
616 bcm43xx_radio_set_txpower_a(bcm, 0x0018);
617 }
618 bcm43xx_radio_clear_tssi(bcm);
619}
620
621static void bcm43xx_phy_initb2(struct bcm43xx_private *bcm)
622{
623 struct bcm43xx_radioinfo *radio = bcm->current_core->radio;
624 u16 offset, val;
625
626 bcm43xx_write16(bcm, 0x03EC, 0x3F22);
627 bcm43xx_phy_write(bcm, 0x0020, 0x301C);
628 bcm43xx_phy_write(bcm, 0x0026, 0x0000);
629 bcm43xx_phy_write(bcm, 0x0030, 0x00C6);
630 bcm43xx_phy_write(bcm, 0x0088, 0x3E00);
631 val = 0x3C3D;
632 for (offset = 0x0089; offset < 0x00A7; offset++) {
633 bcm43xx_phy_write(bcm, offset, val);
634 val -= 0x0202;
635 }
636 bcm43xx_phy_write(bcm, 0x03E4, 0x3000);
637 if (radio->channel == 0xFF)
638 bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_BG, 0);
639 else
640 bcm43xx_radio_selectchannel(bcm, radio->channel, 0);
641 if (radio->version != 0x2050) {
642 bcm43xx_radio_write16(bcm, 0x0075, 0x0080);
643 bcm43xx_radio_write16(bcm, 0x0079, 0x0081);
644 }
645 bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
646 bcm43xx_radio_write16(bcm, 0x0050, 0x0023);
647 if (radio->version == 0x2050) {
648 bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
649 bcm43xx_radio_write16(bcm, 0x005A, 0x0070);
650 bcm43xx_radio_write16(bcm, 0x005B, 0x007B);
651 bcm43xx_radio_write16(bcm, 0x005C, 0x00B0);
652 bcm43xx_radio_write16(bcm, 0x007A, 0x000F);
653 bcm43xx_phy_write(bcm, 0x0038, 0x0677);
654 bcm43xx_radio_init2050(bcm);
655 }
656 bcm43xx_phy_write(bcm, 0x0014, 0x0080);
657 bcm43xx_phy_write(bcm, 0x0032, 0x00CA);
658 bcm43xx_phy_write(bcm, 0x0032, 0x00CC);
659 bcm43xx_phy_write(bcm, 0x0035, 0x07C2);
660 bcm43xx_phy_lo_b_measure(bcm);
661 bcm43xx_phy_write(bcm, 0x0026, 0xCC00);
662 if (radio->version != 0x2050)
663 bcm43xx_phy_write(bcm, 0x0026, 0xCE00);
664 bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, 0x1000);
665 bcm43xx_phy_write(bcm, 0x002A, 0x88A3);
666 if (radio->version != 0x2050)
667 bcm43xx_phy_write(bcm, 0x002A, 0x88C2);
668 bcm43xx_radio_set_txpower_bg(bcm, 0xFFFF, 0xFFFF, 0xFFFF);
669 bcm43xx_phy_init_pctl(bcm);
670}
671
672static void bcm43xx_phy_initb4(struct bcm43xx_private *bcm)
673{
674 struct bcm43xx_radioinfo *radio = bcm->current_core->radio;
675 u16 offset, val;
676
677 bcm43xx_write16(bcm, 0x03EC, 0x3F22);
678 bcm43xx_phy_write(bcm, 0x0020, 0x301C);
679 bcm43xx_phy_write(bcm, 0x0026, 0x0000);
680 bcm43xx_phy_write(bcm, 0x0030, 0x00C6);
681 bcm43xx_phy_write(bcm, 0x0088, 0x3E00);
682 val = 0x3C3D;
683 for (offset = 0x0089; offset < 0x00A7; offset++) {
684 bcm43xx_phy_write(bcm, offset, val);
685 val -= 0x0202;
686 }
687 bcm43xx_phy_write(bcm, 0x03E4, 0x3000);
688 if (radio->channel == 0xFF)
689 bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_BG, 0);
690 else
691 bcm43xx_radio_selectchannel(bcm, radio->channel, 0);
692 if (radio->version != 0x2050) {
693 bcm43xx_radio_write16(bcm, 0x0075, 0x0080);
694 bcm43xx_radio_write16(bcm, 0x0079, 0x0081);
695 }
696 bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
697 bcm43xx_radio_write16(bcm, 0x0050, 0x0023);
698 if (radio->version == 0x2050) {
699 bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
700 bcm43xx_radio_write16(bcm, 0x005A, 0x0070);
701 bcm43xx_radio_write16(bcm, 0x005B, 0x007B);
702 bcm43xx_radio_write16(bcm, 0x005C, 0x00B0);
703 bcm43xx_radio_write16(bcm, 0x007A, 0x000F);
704 bcm43xx_phy_write(bcm, 0x0038, 0x0677);
705 bcm43xx_radio_init2050(bcm);
706 }
707 bcm43xx_phy_write(bcm, 0x0014, 0x0080);
708 bcm43xx_phy_write(bcm, 0x0032, 0x00CA);
709 if (radio->version == 0x2050)
710 bcm43xx_phy_write(bcm, 0x0032, 0x00E0);
711 bcm43xx_phy_write(bcm, 0x0035, 0x07C2);
712
713 bcm43xx_phy_lo_b_measure(bcm);
714
715 bcm43xx_phy_write(bcm, 0x0026, 0xCC00);
716 if (radio->version == 0x2050)
717 bcm43xx_phy_write(bcm, 0x0026, 0xCE00);
718 bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, 0x1100);
719 bcm43xx_phy_write(bcm, 0x002A, 0x88A3);
720 if (radio->version == 0x2050)
721 bcm43xx_phy_write(bcm, 0x002A, 0x88C2);
722 bcm43xx_radio_set_txpower_bg(bcm, 0xFFFF, 0xFFFF, 0xFFFF);
723 if (bcm->sprom.boardflags & BCM43xx_BFL_RSSI) {
724 bcm43xx_calc_nrssi_slope(bcm);
725 bcm43xx_calc_nrssi_threshold(bcm);
726 }
727 bcm43xx_phy_init_pctl(bcm);
728}
729
730static void bcm43xx_phy_initb5(struct bcm43xx_private *bcm)
731{
732 struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
733 struct bcm43xx_radioinfo *radio = bcm->current_core->radio;
734 u16 offset;
735
736 if (phy->version == 1 &&
737 radio->version == 0x2050) {
738 bcm43xx_radio_write16(bcm, 0x007A,
739 bcm43xx_radio_read16(bcm, 0x007A)
740 | 0x0050);
741 }
742 if ((bcm->board_vendor != PCI_VENDOR_ID_BROADCOM) &&
743 (bcm->board_type != 0x0416)) {
744 for (offset = 0x00A8 ; offset < 0x00C7; offset++) {
745 bcm43xx_phy_write(bcm, offset,
746 (bcm43xx_phy_read(bcm, offset) + 0x2020)
747 & 0x3F3F);
748 }
749 }
750 bcm43xx_phy_write(bcm, 0x0035,
751 (bcm43xx_phy_read(bcm, 0x0035) & 0xF0FF)
752 | 0x0700);
753 if (radio->version == 0x2050)
754 bcm43xx_phy_write(bcm, 0x0038, 0x0667);
755
756 if (phy->connected) {
757 if (radio->version == 0x2050) {
758 bcm43xx_radio_write16(bcm, 0x007A,
759 bcm43xx_radio_read16(bcm, 0x007A)
760 | 0x0020);
761 bcm43xx_radio_write16(bcm, 0x0051,
762 bcm43xx_radio_read16(bcm, 0x0051)
763 | 0x0004);
764 }
765 bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_RADIO, 0x0000);
766
767 bcm43xx_phy_write(bcm, 0x0802, bcm43xx_phy_read(bcm, 0x0802) | 0x0100);
768 bcm43xx_phy_write(bcm, 0x042B, bcm43xx_phy_read(bcm, 0x042B) | 0x2000);
769
770 bcm43xx_phy_write(bcm, 0x001C, 0x186A);
771
772 bcm43xx_phy_write(bcm, 0x0013, (bcm43xx_phy_read(bcm, 0x0013) & 0x00FF) | 0x1900);
773 bcm43xx_phy_write(bcm, 0x0035, (bcm43xx_phy_read(bcm, 0x0035) & 0xFFC0) | 0x0064);
774 bcm43xx_phy_write(bcm, 0x005D, (bcm43xx_phy_read(bcm, 0x005D) & 0xFF80) | 0x000A);
775 }
776
777 if (bcm->bad_frames_preempt) {
778 bcm43xx_phy_write(bcm, BCM43xx_PHY_RADIO_BITFIELD,
779 bcm43xx_phy_read(bcm, BCM43xx_PHY_RADIO_BITFIELD) | (1 << 11));
780 }
781
782 if (phy->version == 1 && radio->version == 0x2050) {
783 bcm43xx_phy_write(bcm, 0x0026, 0xCE00);
784 bcm43xx_phy_write(bcm, 0x0021, 0x3763);
785 bcm43xx_phy_write(bcm, 0x0022, 0x1BC3);
786 bcm43xx_phy_write(bcm, 0x0023, 0x06F9);
787 bcm43xx_phy_write(bcm, 0x0024, 0x037E);
788 } else
789 bcm43xx_phy_write(bcm, 0x0026, 0xCC00);
790 bcm43xx_phy_write(bcm, 0x0030, 0x00C6);
791 bcm43xx_write16(bcm, 0x03EC, 0x3F22);
792
793 if (phy->version == 1 && radio->version == 0x2050)
794 bcm43xx_phy_write(bcm, 0x0020, 0x3E1C);
795 else
796 bcm43xx_phy_write(bcm, 0x0020, 0x301C);
797
798 if (phy->version == 0)
799 bcm43xx_write16(bcm, 0x03E4, 0x3000);
800
801 /* Force to channel 7, even if not supported. */
802 bcm43xx_radio_selectchannel(bcm, 7, 0);
803
804 if (radio->version != 0x2050) {
805 bcm43xx_radio_write16(bcm, 0x0075, 0x0080);
806 bcm43xx_radio_write16(bcm, 0x0079, 0x0081);
807 }
808
809 bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
810 bcm43xx_radio_write16(bcm, 0x0050, 0x0023);
811
812 if (radio->version == 0x2050) {
813 bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
814 bcm43xx_radio_write16(bcm, 0x005A, 0x0070);
815 }
816
817 bcm43xx_radio_write16(bcm, 0x005B, 0x007B);
818 bcm43xx_radio_write16(bcm, 0x005C, 0x00B0);
819
820 bcm43xx_radio_write16(bcm, 0x007A, bcm43xx_radio_read16(bcm, 0x007A) | 0x0007);
821
822 bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_BG, 0);
823
824 bcm43xx_phy_write(bcm, 0x0014, 0x0080);
825 bcm43xx_phy_write(bcm, 0x0032, 0x00CA);
826 bcm43xx_phy_write(bcm, 0x88A3, 0x002A);
827
828 bcm43xx_radio_set_txpower_bg(bcm, 0xFFFF, 0xFFFF, 0xFFFF);
829
830 if (radio->version == 0x2050)
831 bcm43xx_radio_write16(bcm, 0x005D, 0x000D);
832
833 bcm43xx_write16(bcm, 0x03E4, (bcm43xx_read16(bcm, 0x03E4) & 0xFFC0) | 0x0004);
834}
835
836static void bcm43xx_phy_initb6(struct bcm43xx_private *bcm)
837{
838 struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
839 struct bcm43xx_radioinfo *radio = bcm->current_core->radio;
840 u16 offset, val;
841
842 bcm43xx_phy_write(bcm, 0x003E, 0x817A);
843 bcm43xx_radio_write16(bcm, 0x007A,
844 (bcm43xx_radio_read16(bcm, 0x007A) | 0x0058));
845 if ((radio->manufact == 0x17F) &&
846 (radio->version == 0x2050) &&
847 (radio->revision == 3 ||
848 radio->revision == 4 ||
849 radio->revision == 5)) {
850 bcm43xx_radio_write16(bcm, 0x0051, 0x001F);
851 bcm43xx_radio_write16(bcm, 0x0052, 0x0040);
852 bcm43xx_radio_write16(bcm, 0x0053, 0x005B);
853 bcm43xx_radio_write16(bcm, 0x0054, 0x0098);
854 bcm43xx_radio_write16(bcm, 0x005A, 0x0088);
855 bcm43xx_radio_write16(bcm, 0x005B, 0x0088);
856 bcm43xx_radio_write16(bcm, 0x005D, 0x0088);
857 bcm43xx_radio_write16(bcm, 0x005E, 0x0088);
858 bcm43xx_radio_write16(bcm, 0x007D, 0x0088);
859 }
860 if ((radio->manufact == 0x17F) &&
861 (radio->version == 0x2050) &&
862 (radio->revision == 6)) {
863 bcm43xx_radio_write16(bcm, 0x0051, 0x0000);
864 bcm43xx_radio_write16(bcm, 0x0052, 0x0040);
865 bcm43xx_radio_write16(bcm, 0x0053, 0x00B7);
866 bcm43xx_radio_write16(bcm, 0x0054, 0x0098);
867 bcm43xx_radio_write16(bcm, 0x005A, 0x0088);
868 bcm43xx_radio_write16(bcm, 0x005B, 0x008B);
869 bcm43xx_radio_write16(bcm, 0x005C, 0x00B5);
870 bcm43xx_radio_write16(bcm, 0x005D, 0x0088);
871 bcm43xx_radio_write16(bcm, 0x005E, 0x0088);
872 bcm43xx_radio_write16(bcm, 0x007D, 0x0088);
873 bcm43xx_radio_write16(bcm, 0x007C, 0x0001);
874 bcm43xx_radio_write16(bcm, 0x007E, 0x0008);
875 }
876 if ((radio->manufact == 0x17F) &&
877 (radio->version == 0x2050) &&
878 (radio->revision == 7)) {
879 bcm43xx_radio_write16(bcm, 0x0051, 0x0000);
880 bcm43xx_radio_write16(bcm, 0x0052, 0x0040);
881 bcm43xx_radio_write16(bcm, 0x0053, 0x00B7);
882 bcm43xx_radio_write16(bcm, 0x0054, 0x0098);
883 bcm43xx_radio_write16(bcm, 0x005A, 0x0088);
884 bcm43xx_radio_write16(bcm, 0x005B, 0x00A8);
885 bcm43xx_radio_write16(bcm, 0x005C, 0x0075);
886 bcm43xx_radio_write16(bcm, 0x005D, 0x00F5);
887 bcm43xx_radio_write16(bcm, 0x005E, 0x00B8);
888 bcm43xx_radio_write16(bcm, 0x007D, 0x00E8);
889 bcm43xx_radio_write16(bcm, 0x007C, 0x0001);
890 bcm43xx_radio_write16(bcm, 0x007E, 0x0008);
891 bcm43xx_radio_write16(bcm, 0x007B, 0x0000);
892 }
893 if ((radio->manufact == 0x17F) &&
894 (radio->version == 0x2050) &&
895 (radio->revision == 8)) {
896 bcm43xx_radio_write16(bcm, 0x0051, 0x0000);
897 bcm43xx_radio_write16(bcm, 0x0052, 0x0040);
898 bcm43xx_radio_write16(bcm, 0x0053, 0x00B7);
899 bcm43xx_radio_write16(bcm, 0x0054, 0x0098);
900 bcm43xx_radio_write16(bcm, 0x005A, 0x0088);
901 bcm43xx_radio_write16(bcm, 0x005B, 0x006B);
902 bcm43xx_radio_write16(bcm, 0x005C, 0x000F);
903 if (bcm->sprom.boardflags & 0x8000) {
904 bcm43xx_radio_write16(bcm, 0x005D, 0x00FA);
905 bcm43xx_radio_write16(bcm, 0x005E, 0x00D8);
906 } else {
907 bcm43xx_radio_write16(bcm, 0x005D, 0x00F5);
908 bcm43xx_radio_write16(bcm, 0x005E, 0x00B8);
909 }
910 bcm43xx_radio_write16(bcm, 0x0073, 0x0003);
911 bcm43xx_radio_write16(bcm, 0x007D, 0x00A8);
912 bcm43xx_radio_write16(bcm, 0x007C, 0x0001);
913 bcm43xx_radio_write16(bcm, 0x007E, 0x0008);
914 }
915 val = 0x1E1F;
916 for (offset = 0x0088; offset < 0x0098; offset++) {
917 bcm43xx_phy_write(bcm, offset, val);
918 val -= 0x0202;
919 }
920 val = 0x3E3F;
921 for (offset = 0x0098; offset < 0x00A8; offset++) {
922 bcm43xx_phy_write(bcm, offset, val);
923 val -= 0x0202;
924 }
925 val = 0x2120;
926 for (offset = 0x00A8; offset < 0x00C8; offset++) {
927 bcm43xx_phy_write(bcm, offset, (val & 0x3F3F));
928 val += 0x0202;
929 }
930 if (phy->type == BCM43xx_PHYTYPE_G) {
931 bcm43xx_radio_write16(bcm, 0x007A,
932 bcm43xx_radio_read16(bcm, 0x007A) | 0x0020);
933 bcm43xx_radio_write16(bcm, 0x0051,
934 bcm43xx_radio_read16(bcm, 0x0051) | 0x0004);
935 bcm43xx_phy_write(bcm, 0x0802,
936 bcm43xx_phy_read(bcm, 0x0802) | 0x0100);
937 bcm43xx_phy_write(bcm, 0x042B,
938 bcm43xx_phy_read(bcm, 0x042B) | 0x2000);
939 }
940
941 /* Force to channel 7, even if not supported. */
942 bcm43xx_radio_selectchannel(bcm, 7, 0);
943
944 bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
945 bcm43xx_radio_write16(bcm, 0x0050, 0x0023);
946 udelay(40);
947 bcm43xx_radio_write16(bcm, 0x007C, (bcm43xx_radio_read16(bcm, 0x007C) | 0x0002));
948 bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
949 if ((bcm->current_core->radio->manufact == 0x17F) &&
950 (bcm->current_core->radio->version == 0x2050) &&
Danny van Dyk67093a62006-02-01 00:43:05 +0100951 (bcm->current_core->radio->revision <= 2)) {
John W. Linvillef2223132006-01-23 16:59:58 -0500952 bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
953 bcm43xx_radio_write16(bcm, 0x005A, 0x0070);
954 bcm43xx_radio_write16(bcm, 0x005B, 0x007B);
955 bcm43xx_radio_write16(bcm, 0x005C, 0x00B0);
956 }
957 bcm43xx_radio_write16(bcm, 0x007A,
958 (bcm43xx_radio_read16(bcm, 0x007A) & 0x00F8) | 0x0007);
959
960 bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_BG, 0);
961
962 bcm43xx_phy_write(bcm, 0x0014, 0x0200);
963 if (radio->version == 0x2050){
964 if (radio->revision == 3 ||
965 radio->revision == 4 ||
966 radio->revision == 5)
967 bcm43xx_phy_write(bcm, 0x002A, 0x8AC0);
968 else
969 bcm43xx_phy_write(bcm, 0x002A, 0x88C2);
970 }
971 bcm43xx_phy_write(bcm, 0x0038, 0x0668);
972 bcm43xx_radio_set_txpower_bg(bcm, 0xFFFF, 0xFFFF, 0xFFFF);
973 if (radio->version == 0x2050) {
974 if (radio->revision == 3 ||
975 radio->revision == 4 ||
976 radio->revision == 5)
977 bcm43xx_phy_write(bcm, 0x005D, bcm43xx_phy_read(bcm, 0x005D) | 0x0003);
978 else if (radio->revision <= 2)
979 bcm43xx_radio_write16(bcm, 0x005D, 0x000D);
980 }
981
982 if (phy->rev == 4)
983 bcm43xx_phy_write(bcm, 0x0002, (bcm43xx_phy_read(bcm, 0x0002) & 0xFFC0) | 0x0004);
984 else
985 bcm43xx_write16(bcm, 0x03E4, 0x0009);
986 if (phy->type == BCM43xx_PHYTYPE_B) {
987 bcm43xx_write16(bcm, 0x03E6, 0x8140);
Danny van Dyk67093a62006-02-01 00:43:05 +0100988 bcm43xx_phy_write(bcm, 0x0016, 0x0410);
989 bcm43xx_phy_write(bcm, 0x0017, 0x0820);
990 bcm43xx_phy_write(bcm, 0x0062, 0x0007);
991 (void) bcm43xx_radio_calibrationvalue(bcm);
992 bcm43xx_phy_lo_b_measure(bcm);
993 if (bcm->sprom.boardflags & BCM43xx_BFL_RSSI) {
994 bcm43xx_calc_nrssi_slope(bcm);
995 bcm43xx_calc_nrssi_threshold(bcm);
996 }
John W. Linvillef2223132006-01-23 16:59:58 -0500997 bcm43xx_phy_init_pctl(bcm);
998 } else
999 bcm43xx_write16(bcm, 0x03E6, 0x0);
1000}
1001
1002static void bcm43xx_phy_initg(struct bcm43xx_private *bcm)
1003{
1004 struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
1005 struct bcm43xx_radioinfo *radio = bcm->current_core->radio;
1006 u16 tmp;
1007
1008 if (phy->rev == 1)
1009 bcm43xx_phy_initb5(bcm);
1010 else if (phy->rev >= 2 && phy->rev <= 7)
1011 bcm43xx_phy_initb6(bcm);
1012 if (phy->rev >= 2 || phy->connected)
1013 bcm43xx_phy_inita(bcm);
1014
1015 if (phy->rev >= 2) {
1016 bcm43xx_phy_write(bcm, 0x0814, 0x0000);
1017 bcm43xx_phy_write(bcm, 0x0815, 0x0000);
1018 if (phy->rev == 2)
1019 bcm43xx_phy_write(bcm, 0x0811, 0x0000);
1020 else if (phy->rev >= 3)
1021 bcm43xx_phy_write(bcm, 0x0811, 0x0400);
1022 bcm43xx_phy_write(bcm, 0x0015, 0x00C0);
1023 tmp = bcm43xx_phy_read(bcm, 0x0400) & 0xFF;
1024 if (tmp == 3) {
1025 bcm43xx_phy_write(bcm, 0x04C2, 0x1816);
1026 bcm43xx_phy_write(bcm, 0x04C3, 0x8606);
1027 } else if (tmp == 4 || tmp == 5) {
1028 bcm43xx_phy_write(bcm, 0x04C2, 0x1816);
1029 bcm43xx_phy_write(bcm, 0x04C3, 0x8006);
1030 bcm43xx_phy_write(bcm, 0x04CC, (bcm43xx_phy_read(bcm, 0x04CC)
1031 & 0x00FF) | 0x1F00);
1032 }
1033 }
1034 if (radio->revision <= 3 && phy->connected)
1035 bcm43xx_phy_write(bcm, 0x047E, 0x0078);
1036 if (radio->revision >= 6 && radio->revision <= 8) {
1037 bcm43xx_phy_write(bcm, 0x0801, bcm43xx_phy_read(bcm, 0x0801) | 0x0080);
1038 bcm43xx_phy_write(bcm, 0x043E, bcm43xx_phy_read(bcm, 0x043E) | 0x0004);
1039 }
1040 if (radio->initval == 0xFFFF) {
1041 radio->initval = bcm43xx_radio_init2050(bcm);
1042 bcm43xx_phy_lo_g_measure(bcm);
1043 } else {
1044 bcm43xx_radio_write16(bcm, 0x0078, radio->initval);
1045 bcm43xx_radio_write16(bcm, 0x0052,
1046 (bcm43xx_radio_read16(bcm, 0x0052) & 0xFFF0)
1047 | radio->txpower[3]);
1048 }
1049
1050 if (phy->connected) {
1051 bcm43xx_phy_lo_adjust(bcm, 0);
1052 bcm43xx_phy_write(bcm, 0x080F, 0x8078);
1053
1054 if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL)
1055 bcm43xx_phy_write(bcm, 0x002E, 0x807F);
1056 else
1057 bcm43xx_phy_write(bcm, 0x002E, 0x8075);
1058
1059 if (phy->rev < 2)
1060 bcm43xx_phy_write(bcm, 0x002F, 0x0101);
1061 else
1062 bcm43xx_phy_write(bcm, 0x002F, 0x0202);
1063 }
1064
1065 if ((bcm->sprom.boardflags & BCM43xx_BFL_RSSI) == 0) {
1066 FIXME();//FIXME: 0x7FFFFFFF should be 16-bit !
1067 bcm43xx_nrssi_hw_update(bcm, (u16)0x7FFFFFFF);
1068 bcm43xx_calc_nrssi_threshold(bcm);
1069 } else if (phy->connected) {
1070 if (radio->nrssi[0] == -1000) {
1071 assert(radio->nrssi[1] == -1000);
1072 bcm43xx_calc_nrssi_slope(bcm);
1073 } else
1074 bcm43xx_calc_nrssi_threshold(bcm);
1075 }
1076 bcm43xx_phy_init_pctl(bcm);
1077}
1078
1079static u16 bcm43xx_phy_lo_b_r15_loop(struct bcm43xx_private *bcm)
1080{
1081 int i;
1082 u16 ret = 0;
1083
1084 for (i = 0; i < 10; i++){
1085 bcm43xx_phy_write(bcm, 0x0015, 0xAFA0);
1086 udelay(1);
1087 bcm43xx_phy_write(bcm, 0x0015, 0xEFA0);
1088 udelay(10);
1089 bcm43xx_phy_write(bcm, 0x0015, 0xFFA0);
1090 udelay(40);
1091 ret += bcm43xx_phy_read(bcm, 0x002C);
1092 }
1093
1094 return ret;
1095}
1096
1097void bcm43xx_phy_lo_b_measure(struct bcm43xx_private *bcm)
1098{
1099 struct bcm43xx_radioinfo *radio = bcm->current_core->radio;
1100 struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
1101 u16 regstack[12] = { 0 };
1102 u16 mls;
1103 u16 fval;
1104 int i, j;
1105
1106 regstack[0] = bcm43xx_phy_read(bcm, 0x0015);
1107 regstack[1] = bcm43xx_radio_read16(bcm, 0x0052) & 0xFFF0;
1108
1109 if (radio->version == 0x2053) {
1110 regstack[2] = bcm43xx_phy_read(bcm, 0x000A);
1111 regstack[3] = bcm43xx_phy_read(bcm, 0x002A);
1112 regstack[4] = bcm43xx_phy_read(bcm, 0x0035);
1113 regstack[5] = bcm43xx_phy_read(bcm, 0x0003);
1114 regstack[6] = bcm43xx_phy_read(bcm, 0x0001);
1115 regstack[7] = bcm43xx_phy_read(bcm, 0x0030);
1116
1117 regstack[8] = bcm43xx_radio_read16(bcm, 0x0043);
1118 regstack[9] = bcm43xx_radio_read16(bcm, 0x007A);
1119 regstack[10] = bcm43xx_read16(bcm, 0x03EC);
1120 regstack[11] = bcm43xx_radio_read16(bcm, 0x0052) & 0x00F0;
1121
1122 bcm43xx_phy_write(bcm, 0x0030, 0x00FF);
1123 bcm43xx_write16(bcm, 0x03EC, 0x3F3F);
1124 bcm43xx_phy_write(bcm, 0x0035, regstack[4] & 0xFF7F);
1125 bcm43xx_radio_write16(bcm, 0x007A, regstack[9] & 0xFFF0);
1126 }
1127 bcm43xx_phy_write(bcm, 0x0015, 0xB000);
1128 bcm43xx_phy_write(bcm, 0x002B, 0x0004);
1129
1130 if (radio->version == 0x2053) {
1131 bcm43xx_phy_write(bcm, 0x002B, 0x0203);
1132 bcm43xx_phy_write(bcm, 0x002A, 0x08A3);
1133 }
1134
1135 phy->minlowsig[0] = 0xFFFF;
1136
1137 for (i = 0; i < 4; i++) {
1138 bcm43xx_radio_write16(bcm, 0x0052, regstack[1] | i);
1139 bcm43xx_phy_lo_b_r15_loop(bcm);
1140 }
1141 for (i = 0; i < 10; i++) {
1142 bcm43xx_radio_write16(bcm, 0x0052, regstack[1] | i);
1143 mls = bcm43xx_phy_lo_b_r15_loop(bcm) / 10;
1144 if (mls < phy->minlowsig[0]) {
1145 phy->minlowsig[0] = mls;
1146 phy->minlowsigpos[0] = i;
1147 }
1148 }
1149 bcm43xx_radio_write16(bcm, 0x0052, regstack[1] | phy->minlowsigpos[0]);
1150
1151 phy->minlowsig[1] = 0xFFFF;
1152
1153 for (i = -4; i < 5; i += 2) {
1154 for (j = -4; j < 5; j += 2) {
1155 if (j < 0)
1156 fval = (0x0100 * i) + j + 0x0100;
1157 else
1158 fval = (0x0100 * i) + j;
1159 bcm43xx_phy_write(bcm, 0x002F, fval);
1160 mls = bcm43xx_phy_lo_b_r15_loop(bcm) / 10;
1161 if (mls < phy->minlowsig[1]) {
1162 phy->minlowsig[1] = mls;
1163 phy->minlowsigpos[1] = fval;
1164 }
1165 }
1166 }
1167 phy->minlowsigpos[1] += 0x0101;
1168
1169 bcm43xx_phy_write(bcm, 0x002F, phy->minlowsigpos[1]);
Michael Bueschea72ab22006-01-27 17:26:20 +01001170 if (radio->version == 0x2053) {
John W. Linvillef2223132006-01-23 16:59:58 -05001171 bcm43xx_phy_write(bcm, 0x000A, regstack[2]);
1172 bcm43xx_phy_write(bcm, 0x002A, regstack[3]);
1173 bcm43xx_phy_write(bcm, 0x0035, regstack[4]);
1174 bcm43xx_phy_write(bcm, 0x0003, regstack[5]);
1175 bcm43xx_phy_write(bcm, 0x0001, regstack[6]);
1176 bcm43xx_phy_write(bcm, 0x0030, regstack[7]);
1177
1178 bcm43xx_radio_write16(bcm, 0x0043, regstack[8]);
1179 bcm43xx_radio_write16(bcm, 0x007A, regstack[9]);
1180
1181 bcm43xx_radio_write16(bcm, 0x0052,
1182 (bcm43xx_radio_read16(bcm, 0x0052) & 0x000F)
1183 | regstack[11]);
1184
1185 bcm43xx_write16(bcm, 0x03EC, regstack[10]);
1186 }
1187 bcm43xx_phy_write(bcm, 0x0015, regstack[0]);
1188}
1189
1190static inline
1191u16 bcm43xx_phy_lo_g_deviation_subval(struct bcm43xx_private *bcm, u16 control)
1192{
1193 if (bcm->current_core->phy->connected) {
1194 bcm43xx_phy_write(bcm, 0x15, 0xE300);
1195 control <<= 8;
1196 bcm43xx_phy_write(bcm, 0x0812, control | 0x00B0);
1197 udelay(5);
1198 bcm43xx_phy_write(bcm, 0x0812, control | 0x00B2);
1199 udelay(2);
1200 bcm43xx_phy_write(bcm, 0x0812, control | 0x00B3);
1201 udelay(4);
1202 bcm43xx_phy_write(bcm, 0x0015, 0xF300);
1203 udelay(8);
1204 } else {
1205 bcm43xx_phy_write(bcm, 0x0015, control | 0xEFA0);
1206 udelay(2);
1207 bcm43xx_phy_write(bcm, 0x0015, control | 0xEFE0);
1208 udelay(4);
1209 bcm43xx_phy_write(bcm, 0x0015, control | 0xFFE0);
1210 udelay(8);
1211 }
1212
1213 return bcm43xx_phy_read(bcm, 0x002D);
1214}
1215
1216static u32 bcm43xx_phy_lo_g_singledeviation(struct bcm43xx_private *bcm, u16 control)
1217{
1218 int i;
1219 u32 ret = 0;
1220
1221 for (i = 0; i < 8; i++)
1222 ret += bcm43xx_phy_lo_g_deviation_subval(bcm, control);
1223
1224 return ret;
1225}
1226
1227/* Write the LocalOscillator CONTROL */
1228static inline
1229void bcm43xx_lo_write(struct bcm43xx_private *bcm,
1230 struct bcm43xx_lopair *pair)
1231{
1232 u16 value;
1233
1234 value = (u8)(pair->low);
1235 value |= ((u8)(pair->high)) << 8;
1236
1237#ifdef CONFIG_BCM43XX_DEBUG
1238 /* Sanity check. */
1239 if (pair->low < -8 || pair->low > 8 ||
1240 pair->high < -8 || pair->high > 8) {
1241 printk(KERN_WARNING PFX
1242 "WARNING: Writing invalid LOpair "
1243 "(low: %d, high: %d, index: %lu)\n",
1244 pair->low, pair->high,
1245 (unsigned long)(pair - bcm->current_core->phy->_lo_pairs));
1246 dump_stack();
1247 }
1248#endif
1249
1250 bcm43xx_phy_write(bcm, BCM43xx_PHY_G_LO_CONTROL, value);
1251}
1252
1253static inline
1254struct bcm43xx_lopair * bcm43xx_find_lopair(struct bcm43xx_private *bcm,
1255 u16 baseband_attenuation,
1256 u16 radio_attenuation,
1257 u16 tx)
1258{
1259 static const u8 dict[10] = { 11, 10, 11, 12, 13, 12, 13, 12, 13, 12 };
1260 struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
1261
1262 if (baseband_attenuation > 6)
1263 baseband_attenuation = 6;
1264 assert(radio_attenuation < 10);
1265 assert(tx == 0 || tx == 3);
1266
1267 if (tx == 3) {
1268 return bcm43xx_get_lopair(phy,
1269 radio_attenuation,
1270 baseband_attenuation);
1271 }
1272 return bcm43xx_get_lopair(phy, dict[radio_attenuation], baseband_attenuation);
1273}
1274
1275static inline
1276struct bcm43xx_lopair * bcm43xx_current_lopair(struct bcm43xx_private *bcm)
1277{
1278 return bcm43xx_find_lopair(bcm,
1279 bcm->current_core->radio->txpower[0],
1280 bcm->current_core->radio->txpower[1],
1281 bcm->current_core->radio->txpower[2]);
1282}
1283
1284/* Adjust B/G LO */
1285void bcm43xx_phy_lo_adjust(struct bcm43xx_private *bcm, int fixed)
1286{
1287 struct bcm43xx_lopair *pair;
1288
1289 if (fixed) {
1290 /* Use fixed values. Only for initialization. */
1291 pair = bcm43xx_find_lopair(bcm, 2, 3, 0);
1292 } else
1293 pair = bcm43xx_current_lopair(bcm);
1294 bcm43xx_lo_write(bcm, pair);
1295}
1296
1297static inline
1298void bcm43xx_phy_lo_g_measure_txctl2(struct bcm43xx_private *bcm)
1299{
1300 u16 txctl2 = 0, i;
1301 u32 smallest, tmp;
1302
1303 bcm43xx_radio_write16(bcm, 0x0052, 0x0000);
1304 udelay(10);
1305 smallest = bcm43xx_phy_lo_g_singledeviation(bcm, 0);
1306 for (i = 0; i < 16; i++) {
1307 bcm43xx_radio_write16(bcm, 0x0052, i);
1308 udelay(10);
1309 tmp = bcm43xx_phy_lo_g_singledeviation(bcm, 0);
1310 if (tmp < smallest) {
1311 smallest = tmp;
1312 txctl2 = i;
1313 }
1314 }
1315 bcm->current_core->radio->txpower[3] = txctl2;
1316}
1317
1318static
1319void bcm43xx_phy_lo_g_state(struct bcm43xx_private *bcm,
1320 const struct bcm43xx_lopair *in_pair,
1321 struct bcm43xx_lopair *out_pair,
1322 u16 r27)
1323{
1324 static const struct bcm43xx_lopair transitions[8] = {
1325 { .high = 1, .low = 1, },
1326 { .high = 1, .low = 0, },
1327 { .high = 1, .low = -1, },
1328 { .high = 0, .low = -1, },
1329 { .high = -1, .low = -1, },
1330 { .high = -1, .low = 0, },
1331 { .high = -1, .low = 1, },
1332 { .high = 0, .low = 1, },
1333 };
1334 struct bcm43xx_lopair lowest_transition = {
1335 .high = in_pair->high,
1336 .low = in_pair->low,
1337 };
1338 struct bcm43xx_lopair tmp_pair;
1339 struct bcm43xx_lopair transition;
1340 int i = 12;
1341 int state = 0;
1342 int found_lower;
1343 int j, begin, end;
1344 u32 lowest_deviation;
1345 u32 tmp;
1346
1347 /* Note that in_pair and out_pair can point to the same pair. Be careful. */
1348
1349 bcm43xx_lo_write(bcm, &lowest_transition);
1350 lowest_deviation = bcm43xx_phy_lo_g_singledeviation(bcm, r27);
1351 do {
1352 found_lower = 0;
1353 assert(state >= 0 && state <= 8);
1354 if (state == 0) {
1355 begin = 1;
1356 end = 8;
1357 } else if (state % 2 == 0) {
1358 begin = state - 1;
1359 end = state + 1;
1360 } else {
1361 begin = state - 2;
1362 end = state + 2;
1363 }
1364 if (begin < 1)
1365 begin += 8;
1366 if (end > 8)
1367 end -= 8;
1368
1369 j = begin;
1370 tmp_pair.high = lowest_transition.high;
1371 tmp_pair.low = lowest_transition.low;
1372 while (1) {
1373 assert(j >= 1 && j <= 8);
1374 transition.high = tmp_pair.high + transitions[j - 1].high;
1375 transition.low = tmp_pair.low + transitions[j - 1].low;
1376 if ((abs(transition.low) < 9) && (abs(transition.high) < 9)) {
1377 bcm43xx_lo_write(bcm, &transition);
1378 tmp = bcm43xx_phy_lo_g_singledeviation(bcm, r27);
1379 if (tmp < lowest_deviation) {
1380 lowest_deviation = tmp;
1381 state = j;
1382 found_lower = 1;
1383
1384 lowest_transition.high = transition.high;
1385 lowest_transition.low = transition.low;
1386 }
1387 }
1388 if (j == end)
1389 break;
1390 if (j == 8)
1391 j = 1;
1392 else
1393 j++;
1394 }
1395 } while (i-- && found_lower);
1396
1397 out_pair->high = lowest_transition.high;
1398 out_pair->low = lowest_transition.low;
1399}
1400
1401/* Set the baseband attenuation value on chip. */
1402void bcm43xx_phy_set_baseband_attenuation(struct bcm43xx_private *bcm,
1403 u16 baseband_attenuation)
1404{
1405 u16 value;
1406
1407 if (bcm->current_core->phy->version == 0) {
1408 value = (bcm43xx_read16(bcm, 0x03E6) & 0xFFF0);
1409 value |= (baseband_attenuation & 0x000F);
1410 bcm43xx_write16(bcm, 0x03E6, value);
1411 return;
1412 }
1413
1414 if (bcm->current_core->phy->version > 1) {
1415 value = bcm43xx_phy_read(bcm, 0x0060) & ~0x003C;
1416 value |= (baseband_attenuation << 2) & 0x003C;
1417 } else {
1418 value = bcm43xx_phy_read(bcm, 0x0060) & ~0x0078;
1419 value |= (baseband_attenuation << 3) & 0x0078;
1420 }
1421 bcm43xx_phy_write(bcm, 0x0060, value);
1422}
1423
1424/* http://bcm-specs.sipsolutions.net/LocalOscillator/Measure */
1425void bcm43xx_phy_lo_g_measure(struct bcm43xx_private *bcm)
1426{
1427 static const u8 pairorder[10] = { 3, 1, 5, 7, 9, 2, 0, 4, 6, 8 };
1428 const int is_initializing = bcm43xx_is_initializing(bcm);
1429 struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
1430 struct bcm43xx_radioinfo *radio = bcm->current_core->radio;
1431 u16 h, i, oldi = 0, j;
1432 struct bcm43xx_lopair control;
1433 struct bcm43xx_lopair *tmp_control;
1434 u16 tmp;
1435 u16 regstack[16] = { 0 };
1436 u8 oldchannel;
1437
1438 //XXX: What are these?
1439 u8 r27 = 0, r31;
1440
1441 oldchannel = radio->channel;
1442 /* Setup */
1443 if (phy->connected) {
1444 regstack[0] = bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS);
1445 regstack[1] = bcm43xx_phy_read(bcm, 0x0802);
1446 bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, regstack[0] & 0x7FFF);
1447 bcm43xx_phy_write(bcm, 0x0802, regstack[1] & 0xFFFC);
1448 }
1449 regstack[3] = bcm43xx_read16(bcm, 0x03E2);
1450 bcm43xx_write16(bcm, 0x03E2, regstack[3] | 0x8000);
1451 regstack[4] = bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT);
1452 regstack[5] = bcm43xx_phy_read(bcm, 0x15);
1453 regstack[6] = bcm43xx_phy_read(bcm, 0x2A);
1454 regstack[7] = bcm43xx_phy_read(bcm, 0x35);
1455 regstack[8] = bcm43xx_phy_read(bcm, 0x60);
1456 regstack[9] = bcm43xx_radio_read16(bcm, 0x43);
1457 regstack[10] = bcm43xx_radio_read16(bcm, 0x7A);
1458 regstack[11] = bcm43xx_radio_read16(bcm, 0x52);
1459 if (phy->connected) {
1460 regstack[12] = bcm43xx_phy_read(bcm, 0x0811);
1461 regstack[13] = bcm43xx_phy_read(bcm, 0x0812);
1462 regstack[14] = bcm43xx_phy_read(bcm, 0x0814);
1463 regstack[15] = bcm43xx_phy_read(bcm, 0x0815);
1464 }
1465 bcm43xx_radio_selectchannel(bcm, 6, 0);
1466 if (phy->connected) {
1467 bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, regstack[0] & 0x7FFF);
1468 bcm43xx_phy_write(bcm, 0x0802, regstack[1] & 0xFFFC);
1469 bcm43xx_dummy_transmission(bcm);
1470 }
1471 bcm43xx_radio_write16(bcm, 0x0043, 0x0006);
1472
1473 bcm43xx_phy_set_baseband_attenuation(bcm, 2);
1474
1475 bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, 0x0000);
1476 bcm43xx_phy_write(bcm, 0x002E, 0x007F);
1477 bcm43xx_phy_write(bcm, 0x080F, 0x0078);
1478 bcm43xx_phy_write(bcm, 0x0035, regstack[7] & ~(1 << 7));
1479 bcm43xx_radio_write16(bcm, 0x007A, regstack[10] & 0xFFF0);
1480 bcm43xx_phy_write(bcm, 0x002B, 0x0203);
1481 bcm43xx_phy_write(bcm, 0x002A, 0x08A3);
1482 if (phy->connected) {
1483 bcm43xx_phy_write(bcm, 0x0814, regstack[14] | 0x0003);
1484 bcm43xx_phy_write(bcm, 0x0815, regstack[15] & 0xFFFC);
1485 bcm43xx_phy_write(bcm, 0x0811, 0x01B3);
1486 bcm43xx_phy_write(bcm, 0x0812, 0x00B2);
1487 }
1488 if (is_initializing)
1489 bcm43xx_phy_lo_g_measure_txctl2(bcm);
1490 bcm43xx_phy_write(bcm, 0x080F, 0x8078);
1491
1492 /* Measure */
1493 control.low = 0;
1494 control.high = 0;
1495 for (h = 0; h < 10; h++) {
1496 /* Loop over each possible RadioAttenuation (0-9) */
1497 i = pairorder[h];
1498 if (is_initializing) {
1499 if (i == 3) {
1500 control.low = 0;
1501 control.high = 0;
1502 } else if (((i % 2 == 1) && (oldi % 2 == 1)) ||
1503 ((i % 2 == 0) && (oldi % 2 == 0))) {
1504 tmp_control = bcm43xx_get_lopair(phy, oldi, 0);
1505 memcpy(&control, tmp_control, sizeof(control));
1506 } else {
1507 tmp_control = bcm43xx_get_lopair(phy, 3, 0);
1508 memcpy(&control, tmp_control, sizeof(control));
1509 }
1510 }
1511 /* Loop over each possible BasebandAttenuation/2 */
1512 for (j = 0; j < 4; j++) {
1513 if (is_initializing) {
1514 tmp = i * 2 + j;
1515 r27 = 0;
1516 r31 = 0;
1517 if (tmp > 14) {
1518 r31 = 1;
1519 if (tmp > 17)
1520 r27 = 1;
1521 if (tmp > 19)
1522 r27 = 2;
1523 }
1524 } else {
1525 tmp_control = bcm43xx_get_lopair(phy, i, j * 2);
1526 if (!tmp_control->used)
1527 continue;
1528 memcpy(&control, tmp_control, sizeof(control));
1529 r27 = 3;
1530 r31 = 0;
1531 }
1532 bcm43xx_radio_write16(bcm, 0x43, i);
1533 bcm43xx_radio_write16(bcm, 0x52,
1534 radio->txpower[3]);
1535 udelay(10);
1536
1537 bcm43xx_phy_set_baseband_attenuation(bcm, j * 2);
1538
1539 tmp = (regstack[10] & 0xFFF0);
1540 if (r31)
1541 tmp |= 0x0008;
1542 bcm43xx_radio_write16(bcm, 0x007A, tmp);
1543
1544 tmp_control = bcm43xx_get_lopair(phy, i, j * 2);
1545 bcm43xx_phy_lo_g_state(bcm, &control, tmp_control, r27);
1546 }
1547 oldi = i;
1548 }
1549 /* Loop over each possible RadioAttenuation (10-13) */
1550 for (i = 10; i < 14; i++) {
1551 /* Loop over each possible BasebandAttenuation/2 */
1552 for (j = 0; j < 4; j++) {
1553 if (is_initializing) {
1554 tmp_control = bcm43xx_get_lopair(phy, i - 9, j * 2);
1555 memcpy(&control, tmp_control, sizeof(control));
1556 tmp = (i - 9) * 2 + j - 5;//FIXME: This is wrong, as the following if statement can never trigger.
1557 r27 = 0;
1558 r31 = 0;
1559 if (tmp > 14) {
1560 r31 = 1;
1561 if (tmp > 17)
1562 r27 = 1;
1563 if (tmp > 19)
1564 r27 = 2;
1565 }
1566 } else {
1567 tmp_control = bcm43xx_get_lopair(phy, i - 9, j * 2);
1568 if (!tmp_control->used)
1569 continue;
1570 memcpy(&control, tmp_control, sizeof(control));
1571 r27 = 3;
1572 r31 = 0;
1573 }
1574 bcm43xx_radio_write16(bcm, 0x43, i - 9);
1575 bcm43xx_radio_write16(bcm, 0x52,
1576 radio->txpower[3]
1577 | (3/*txctl1*/ << 4));//FIXME: shouldn't txctl1 be zero here and 3 in the loop above?
1578 udelay(10);
1579
1580 bcm43xx_phy_set_baseband_attenuation(bcm, j * 2);
1581
1582 tmp = (regstack[10] & 0xFFF0);
1583 if (r31)
1584 tmp |= 0x0008;
1585 bcm43xx_radio_write16(bcm, 0x7A, tmp);
1586
1587 tmp_control = bcm43xx_get_lopair(phy, i, j * 2);
1588 bcm43xx_phy_lo_g_state(bcm, &control, tmp_control, r27);
1589 }
1590 }
1591
1592 /* Restoration */
1593 if (phy->connected) {
1594 bcm43xx_phy_write(bcm, 0x0015, 0xE300);
1595 bcm43xx_phy_write(bcm, 0x0812, (r27 << 8) | 0xA0);
1596 udelay(5);
1597 bcm43xx_phy_write(bcm, 0x0812, (r27 << 8) | 0xA2);
1598 udelay(2);
1599 bcm43xx_phy_write(bcm, 0x0812, (r27 << 8) | 0xA3);
1600 } else
1601 bcm43xx_phy_write(bcm, 0x0015, r27 | 0xEFA0);
1602 bcm43xx_phy_lo_adjust(bcm, is_initializing);
1603 bcm43xx_phy_write(bcm, 0x002E, 0x807F);
1604 if (phy->connected)
1605 bcm43xx_phy_write(bcm, 0x002F, 0x0202);
1606 else
1607 bcm43xx_phy_write(bcm, 0x002F, 0x0101);
1608 bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, regstack[4]);
1609 bcm43xx_phy_write(bcm, 0x0015, regstack[5]);
1610 bcm43xx_phy_write(bcm, 0x002A, regstack[6]);
1611 bcm43xx_phy_write(bcm, 0x0035, regstack[7]);
1612 bcm43xx_phy_write(bcm, 0x0060, regstack[8]);
1613 bcm43xx_radio_write16(bcm, 0x0043, regstack[9]);
1614 bcm43xx_radio_write16(bcm, 0x007A, regstack[10]);
1615 regstack[11] &= 0x00F0;
1616 regstack[11] |= (bcm43xx_radio_read16(bcm, 0x52) & 0x000F);
1617 bcm43xx_radio_write16(bcm, 0x52, regstack[11]);
1618 bcm43xx_write16(bcm, 0x03E2, regstack[3]);
1619 if (phy->connected) {
1620 bcm43xx_phy_write(bcm, 0x0811, regstack[12]);
1621 bcm43xx_phy_write(bcm, 0x0812, regstack[13]);
1622 bcm43xx_phy_write(bcm, 0x0814, regstack[14]);
1623 bcm43xx_phy_write(bcm, 0x0815, regstack[15]);
1624 bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, regstack[0]);
1625 bcm43xx_phy_write(bcm, 0x0802, regstack[1]);
1626 }
1627 bcm43xx_radio_selectchannel(bcm, oldchannel, 1);
1628
1629#ifdef CONFIG_BCM43XX_DEBUG
1630 {
1631 /* Sanity check for all lopairs. */
1632 for (i = 0; i < BCM43xx_LO_COUNT; i++) {
1633 tmp_control = phy->_lo_pairs + i;
1634 if (tmp_control->low < -8 || tmp_control->low > 8 ||
1635 tmp_control->high < -8 || tmp_control->high > 8) {
1636 printk(KERN_WARNING PFX
1637 "WARNING: Invalid LOpair (low: %d, high: %d, index: %d)\n",
1638 tmp_control->low, tmp_control->high, i);
1639 }
1640 }
1641 }
1642#endif /* CONFIG_BCM43XX_DEBUG */
1643}
1644
1645static
1646void bcm43xx_phy_lo_mark_current_used(struct bcm43xx_private *bcm)
1647{
1648 struct bcm43xx_lopair *pair;
1649
1650 pair = bcm43xx_current_lopair(bcm);
1651 pair->used = 1;
1652}
1653
1654void bcm43xx_phy_lo_mark_all_unused(struct bcm43xx_private *bcm)
1655{
1656 struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
1657 struct bcm43xx_lopair *pair;
1658 int i;
1659
1660 for (i = 0; i < BCM43xx_LO_COUNT; i++) {
1661 pair = phy->_lo_pairs + i;
1662 pair->used = 0;
1663 }
1664}
1665
1666/* http://bcm-specs.sipsolutions.net/EstimatePowerOut
1667 * This function converts a TSSI value to dBm in Q5.2
1668 */
1669static s8 bcm43xx_phy_estimate_power_out(struct bcm43xx_private *bcm, s8 tssi)
1670{
1671 struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
1672 s8 dbm = 0;
1673 s32 tmp;
1674
1675 tmp = phy->idle_tssi;
1676 tmp += tssi;
1677 tmp -= phy->savedpctlreg;
1678
1679 switch (phy->type) {
1680 case BCM43xx_PHYTYPE_A:
1681 tmp += 0x80;
1682 tmp = limit_value(tmp, 0x00, 0xFF);
1683 dbm = phy->tssi2dbm[tmp];
1684 TODO(); //TODO: There's a FIXME on the specs
1685 break;
1686 case BCM43xx_PHYTYPE_B:
1687 case BCM43xx_PHYTYPE_G:
1688 tmp = limit_value(tmp, 0x00, 0x3F);
1689 dbm = phy->tssi2dbm[tmp];
1690 break;
1691 default:
1692 assert(0);
1693 }
1694
1695 return dbm;
1696}
1697
1698/* http://bcm-specs.sipsolutions.net/RecalculateTransmissionPower */
1699void bcm43xx_phy_xmitpower(struct bcm43xx_private *bcm)
1700{
1701 struct bcm43xx_radioinfo *radio = bcm->current_core->radio;
1702 struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
1703
1704 if (phy->savedpctlreg == 0xFFFF)
1705 return;
1706 if ((bcm->board_type == 0x0416) &&
1707 (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM))
1708 return;
1709
1710 switch (phy->type) {
1711 case BCM43xx_PHYTYPE_A: {
1712
1713 TODO(); //TODO: Nothing for A PHYs yet :-/
1714
1715 break;
1716 }
1717 case BCM43xx_PHYTYPE_B:
1718 case BCM43xx_PHYTYPE_G: {
1719 u16 tmp;
1720 u16 txpower;
1721 s8 v0, v1, v2, v3;
1722 s8 average;
1723 u8 max_pwr;
1724 s16 desired_pwr, estimated_pwr, pwr_adjust;
1725 s16 radio_att_delta, baseband_att_delta;
1726 s16 radio_attenuation, baseband_attenuation;
1727 unsigned long phylock_flags;
1728
1729 tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0058);
1730 v0 = (s8)(tmp & 0x00FF);
1731 v1 = (s8)((tmp & 0xFF00) >> 8);
1732 tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x005A);
1733 v2 = (s8)(tmp & 0x00FF);
1734 v3 = (s8)((tmp & 0xFF00) >> 8);
1735 tmp = 0;
1736
1737 if (v0 == 0x7F || v1 == 0x7F || v2 == 0x7F || v3 == 0x7F) {
1738 tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0070);
1739 v0 = (s8)(tmp & 0x00FF);
1740 v1 = (s8)((tmp & 0xFF00) >> 8);
1741 tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0072);
1742 v2 = (s8)(tmp & 0x00FF);
1743 v3 = (s8)((tmp & 0xFF00) >> 8);
1744 if (v0 == 0x7F || v1 == 0x7F || v2 == 0x7F || v3 == 0x7F)
1745 return;
1746 v0 = (v0 + 0x20) & 0x3F;
1747 v1 = (v1 + 0x20) & 0x3F;
1748 v2 = (v2 + 0x20) & 0x3F;
1749 v3 = (v3 + 0x20) & 0x3F;
1750 tmp = 1;
1751 }
1752 bcm43xx_radio_clear_tssi(bcm);
1753
1754 average = (v0 + v1 + v2 + v3 + 2) / 4;
1755
1756 if (tmp && (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x005E) & 0x8))
1757 average -= 13;
1758
1759 estimated_pwr = bcm43xx_phy_estimate_power_out(bcm, average);
1760
1761 max_pwr = bcm->sprom.maxpower_bgphy;
1762
1763 if ((bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) &&
1764 (phy->type == BCM43xx_PHYTYPE_G))
1765 max_pwr -= 0x3;
1766
1767 /*TODO:
1768 max_pwr = min(REG - bcm->sprom.antennagain_bgphy - 0x6, max_pwr)
1769 where REG is the max power as per the regulatory domain
1770 */
1771
Michael Buesch393344f2006-02-05 15:28:20 +01001772 desired_pwr = limit_value(radio->txpower_desired, 0, max_pwr);
1773 /* Check if we need to adjust the current power. */
John W. Linvillef2223132006-01-23 16:59:58 -05001774 pwr_adjust = desired_pwr - estimated_pwr;
John W. Linvillef2223132006-01-23 16:59:58 -05001775 radio_att_delta = -(pwr_adjust + 7) >> 3;
1776 baseband_att_delta = -(pwr_adjust >> 1) - (4 * radio_att_delta);
1777 if ((radio_att_delta == 0) && (baseband_att_delta == 0)) {
1778 bcm43xx_phy_lo_mark_current_used(bcm);
1779 return;
1780 }
1781
1782 /* Calculate the new attenuation values. */
1783 baseband_attenuation = radio->txpower[0];
1784 baseband_attenuation += baseband_att_delta;
1785 radio_attenuation = radio->txpower[1];
1786 radio_attenuation += radio_att_delta;
1787
1788 /* Get baseband and radio attenuation values into their permitted ranges.
1789 * baseband 0-11, radio 0-9.
1790 * Radio attenuation affects power level 4 times as much as baseband.
1791 */
1792 if (radio_attenuation < 0) {
1793 baseband_attenuation -= (4 * -radio_attenuation);
1794 radio_attenuation = 0;
1795 } else if (radio_attenuation > 9) {
1796 baseband_attenuation += (4 * (radio_attenuation - 9));
1797 radio_attenuation = 9;
1798 } else {
1799 while (baseband_attenuation < 0 && radio_attenuation > 0) {
1800 baseband_attenuation += 4;
1801 radio_attenuation--;
1802 }
1803 while (baseband_attenuation > 11 && radio_attenuation < 9) {
1804 baseband_attenuation -= 4;
1805 radio_attenuation++;
1806 }
1807 }
1808 baseband_attenuation = limit_value(baseband_attenuation, 0, 11);
1809
1810 txpower = radio->txpower[2];
1811 if ((radio->version == 0x2050) && (radio->revision == 2)) {
1812 if (radio_attenuation <= 1) {
1813 if (txpower == 0) {
1814 txpower = 3;
1815 radio_attenuation += 2;
1816 baseband_attenuation += 2;
1817 } else if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) {
1818 baseband_attenuation += 4 * (radio_attenuation - 2);
1819 radio_attenuation = 2;
1820 }
1821 } else if (radio_attenuation > 4 && txpower != 0) {
1822 txpower = 0;
1823 if (baseband_attenuation < 3) {
1824 radio_attenuation -= 3;
1825 baseband_attenuation += 2;
1826 } else {
1827 radio_attenuation -= 2;
1828 baseband_attenuation -= 2;
1829 }
1830 }
1831 }
1832 radio->txpower[2] = txpower;
1833 baseband_attenuation = limit_value(baseband_attenuation, 0, 11);
1834 radio_attenuation = limit_value(radio_attenuation, 0, 9);
1835
1836 bcm43xx_phy_lock(bcm, phylock_flags);
1837 bcm43xx_radio_lock(bcm);
1838 bcm43xx_radio_set_txpower_bg(bcm, baseband_attenuation,
1839 radio_attenuation, txpower);
1840 bcm43xx_phy_lo_mark_current_used(bcm);
1841 bcm43xx_radio_unlock(bcm);
1842 bcm43xx_phy_unlock(bcm, phylock_flags);
1843 break;
1844 }
1845 default:
1846 assert(0);
1847 }
1848}
1849
1850static inline
1851s32 bcm43xx_tssi2dbm_ad(s32 num, s32 den)
1852{
1853 if (num < 0)
1854 return num/den;
1855 else
1856 return (num+den/2)/den;
1857}
1858
1859static inline
1860s8 bcm43xx_tssi2dbm_entry(s8 entry [], u8 index, s16 pab0, s16 pab1, s16 pab2)
1861{
1862 s32 m1, m2, f = 256, q, delta;
1863 s8 i = 0;
1864
1865 m1 = bcm43xx_tssi2dbm_ad(16 * pab0 + index * pab1, 32);
1866 m2 = max(bcm43xx_tssi2dbm_ad(32768 + index * pab2, 256), 1);
1867 do {
1868 if (i > 15)
1869 return -EINVAL;
1870 q = bcm43xx_tssi2dbm_ad(f * 4096 -
1871 bcm43xx_tssi2dbm_ad(m2 * f, 16) * f, 2048);
1872 delta = abs(q - f);
1873 f = q;
1874 i++;
1875 } while (delta >= 2);
1876 entry[index] = limit_value(bcm43xx_tssi2dbm_ad(m1 * f, 8192), -127, 128);
1877 return 0;
1878}
1879
1880/* http://bcm-specs.sipsolutions.net/TSSI_to_DBM_Table */
1881int bcm43xx_phy_init_tssi2dbm_table(struct bcm43xx_private *bcm)
1882{
1883 struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
1884 struct bcm43xx_radioinfo *radio = bcm->current_core->radio;
1885 s16 pab0, pab1, pab2;
1886 u8 idx;
1887 s8 *dyn_tssi2dbm;
1888
1889 if (phy->type == BCM43xx_PHYTYPE_A) {
1890 pab0 = (s16)(bcm->sprom.pa1b0);
1891 pab1 = (s16)(bcm->sprom.pa1b1);
1892 pab2 = (s16)(bcm->sprom.pa1b2);
1893 } else {
1894 pab0 = (s16)(bcm->sprom.pa0b0);
1895 pab1 = (s16)(bcm->sprom.pa0b1);
1896 pab2 = (s16)(bcm->sprom.pa0b2);
1897 }
1898
1899 if ((bcm->chip_id == 0x4301) && (radio->version != 0x2050)) {
1900 phy->idle_tssi = 0x34;
1901 phy->tssi2dbm = bcm43xx_tssi2dbm_b_table;
1902 return 0;
1903 }
1904
1905 if (pab0 != 0 && pab1 != 0 && pab2 != 0 &&
1906 pab0 != -1 && pab1 != -1 && pab2 != -1) {
1907 /* The pabX values are set in SPROM. Use them. */
1908 if (phy->type == BCM43xx_PHYTYPE_A) {
1909 if ((s8)bcm->sprom.idle_tssi_tgt_aphy != 0 &&
1910 (s8)bcm->sprom.idle_tssi_tgt_aphy != -1)
1911 phy->idle_tssi = (s8)(bcm->sprom.idle_tssi_tgt_aphy);
1912 else
1913 phy->idle_tssi = 62;
1914 } else {
1915 if ((s8)bcm->sprom.idle_tssi_tgt_bgphy != 0 &&
1916 (s8)bcm->sprom.idle_tssi_tgt_bgphy != -1)
1917 phy->idle_tssi = (s8)(bcm->sprom.idle_tssi_tgt_bgphy);
1918 else
1919 phy->idle_tssi = 62;
1920 }
1921 dyn_tssi2dbm = kmalloc(64, GFP_KERNEL);
1922 if (dyn_tssi2dbm == NULL) {
1923 printk(KERN_ERR PFX "Could not allocate memory"
1924 "for tssi2dbm table\n");
1925 return -ENOMEM;
1926 }
1927 for (idx = 0; idx < 64; idx++)
1928 if (bcm43xx_tssi2dbm_entry(dyn_tssi2dbm, idx, pab0, pab1, pab2)) {
1929 phy->tssi2dbm = NULL;
1930 printk(KERN_ERR PFX "Could not generate "
1931 "tssi2dBm table\n");
1932 return -ENODEV;
1933 }
1934 phy->tssi2dbm = dyn_tssi2dbm;
1935 phy->dyn_tssi_tbl = 1;
1936 } else {
1937 /* pabX values not set in SPROM. */
1938 switch (phy->type) {
1939 case BCM43xx_PHYTYPE_A:
1940 /* APHY needs a generated table. */
1941 phy->tssi2dbm = NULL;
1942 printk(KERN_ERR PFX "Could not generate tssi2dBm "
1943 "table (wrong SPROM info)!\n");
1944 return -ENODEV;
1945 case BCM43xx_PHYTYPE_B:
1946 phy->idle_tssi = 0x34;
1947 phy->tssi2dbm = bcm43xx_tssi2dbm_b_table;
1948 break;
1949 case BCM43xx_PHYTYPE_G:
1950 phy->idle_tssi = 0x34;
1951 phy->tssi2dbm = bcm43xx_tssi2dbm_g_table;
1952 break;
1953 }
1954 }
1955
1956 return 0;
1957}
1958
1959int bcm43xx_phy_init(struct bcm43xx_private *bcm)
1960{
1961 struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
1962 int err = -ENODEV;
1963 unsigned long flags;
1964
1965 /* We do not want to be preempted while calibrating
1966 * the hardware.
1967 */
1968 local_irq_save(flags);
1969
1970 switch (phy->type) {
1971 case BCM43xx_PHYTYPE_A:
1972 if (phy->rev == 2 || phy->rev == 3) {
1973 bcm43xx_phy_inita(bcm);
1974 err = 0;
1975 }
1976 break;
1977 case BCM43xx_PHYTYPE_B:
1978 switch (phy->rev) {
1979 case 2:
1980 bcm43xx_phy_initb2(bcm);
1981 err = 0;
1982 break;
1983 case 4:
1984 bcm43xx_phy_initb4(bcm);
1985 err = 0;
1986 break;
1987 case 5:
1988 bcm43xx_phy_initb5(bcm);
1989 err = 0;
1990 break;
1991 case 6:
1992 bcm43xx_phy_initb6(bcm);
1993 err = 0;
1994 break;
1995 }
1996 break;
1997 case BCM43xx_PHYTYPE_G:
1998 bcm43xx_phy_initg(bcm);
1999 err = 0;
2000 break;
2001 }
2002 local_irq_restore(flags);
2003 if (err)
2004 printk(KERN_WARNING PFX "Unknown PHYTYPE found!\n");
2005
2006 return err;
2007}
2008
2009void bcm43xx_phy_set_antenna_diversity(struct bcm43xx_private *bcm)
2010{
2011 struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
2012 u16 antennadiv;
2013 u16 offset;
2014 u16 value;
2015 u32 ucodeflags;
2016
2017 antennadiv = phy->antenna_diversity;
2018
2019 if (antennadiv == 0xFFFF)
2020 antennadiv = 3;
2021 assert(antennadiv <= 3);
2022
2023 ucodeflags = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED,
2024 BCM43xx_UCODEFLAGS_OFFSET);
2025 bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED,
2026 BCM43xx_UCODEFLAGS_OFFSET,
2027 ucodeflags & ~BCM43xx_UCODEFLAG_AUTODIV);
2028
2029 switch (phy->type) {
2030 case BCM43xx_PHYTYPE_A:
2031 case BCM43xx_PHYTYPE_G:
2032 if (phy->type == BCM43xx_PHYTYPE_A)
2033 offset = 0x0000;
2034 else
2035 offset = 0x0400;
2036
2037 if (antennadiv == 2)
2038 value = (3/*automatic*/ << 7);
2039 else
2040 value = (antennadiv << 7);
2041 bcm43xx_phy_write(bcm, offset + 1,
2042 (bcm43xx_phy_read(bcm, offset + 1)
2043 & 0x7E7F) | value);
2044
2045 if (antennadiv >= 2) {
2046 if (antennadiv == 2)
2047 value = (antennadiv << 7);
2048 else
2049 value = (0/*force0*/ << 7);
2050 bcm43xx_phy_write(bcm, offset + 0x2B,
2051 (bcm43xx_phy_read(bcm, offset + 0x2B)
2052 & 0xFEFF) | value);
2053 }
2054
2055 if (phy->type == BCM43xx_PHYTYPE_G) {
2056 if (antennadiv >= 2)
2057 bcm43xx_phy_write(bcm, 0x048C,
2058 bcm43xx_phy_read(bcm, 0x048C)
2059 | 0x2000);
2060 else
2061 bcm43xx_phy_write(bcm, 0x048C,
2062 bcm43xx_phy_read(bcm, 0x048C)
2063 & ~0x2000);
2064 if (phy->rev >= 2) {
2065 bcm43xx_phy_write(bcm, 0x0461,
2066 bcm43xx_phy_read(bcm, 0x0461)
2067 | 0x0010);
2068 bcm43xx_phy_write(bcm, 0x04AD,
2069 (bcm43xx_phy_read(bcm, 0x04AD)
2070 & 0x00FF) | 0x0015);
2071 if (phy->rev == 2)
2072 bcm43xx_phy_write(bcm, 0x0427, 0x0008);
2073 else
2074 bcm43xx_phy_write(bcm, 0x0427,
2075 (bcm43xx_phy_read(bcm, 0x0427)
2076 & 0x00FF) | 0x0008);
2077 }
2078 else if (phy->rev >= 6)
2079 bcm43xx_phy_write(bcm, 0x049B, 0x00DC);
2080 } else {
2081 if (phy->rev < 3)
2082 bcm43xx_phy_write(bcm, 0x002B,
2083 (bcm43xx_phy_read(bcm, 0x002B)
2084 & 0x00FF) | 0x0024);
2085 else {
2086 bcm43xx_phy_write(bcm, 0x0061,
2087 bcm43xx_phy_read(bcm, 0x0061)
2088 | 0x0010);
2089 if (phy->rev == 3) {
2090 bcm43xx_phy_write(bcm, 0x0093, 0x001D);
2091 bcm43xx_phy_write(bcm, 0x0027, 0x0008);
2092 } else {
2093 bcm43xx_phy_write(bcm, 0x0093, 0x003A);
2094 bcm43xx_phy_write(bcm, 0x0027,
2095 (bcm43xx_phy_read(bcm, 0x0027)
2096 & 0x00FF) | 0x0008);
2097 }
2098 }
2099 }
2100 break;
2101 case BCM43xx_PHYTYPE_B:
2102 if (bcm->current_core->rev == 2)
2103 value = (3/*automatic*/ << 7);
2104 else
2105 value = (antennadiv << 7);
2106 bcm43xx_phy_write(bcm, 0x03E2,
2107 (bcm43xx_phy_read(bcm, 0x03E2)
2108 & 0xFE7F) | value);
2109 break;
2110 default:
2111 assert(0);
2112 }
2113
2114 if (antennadiv >= 2) {
2115 ucodeflags = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED,
2116 BCM43xx_UCODEFLAGS_OFFSET);
2117 bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED,
2118 BCM43xx_UCODEFLAGS_OFFSET,
2119 ucodeflags | BCM43xx_UCODEFLAG_AUTODIV);
2120 }
2121
2122 phy->antenna_diversity = antennadiv;
2123}