Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
[linux-2.6] / drivers / net / wireless / zd1211rw / zd_rf_al2230.c
1 /* ZD1211 USB-WLAN driver for Linux
2  *
3  * Copyright (C) 2005-2007 Ulrich Kunitz <kune@deine-taler.de>
4  * Copyright (C) 2006-2007 Daniel Drake <dsd@gentoo.org>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19  */
20
21 #include <linux/kernel.h>
22
23 #include "zd_rf.h"
24 #include "zd_usb.h"
25 #include "zd_chip.h"
26
27 #define IS_AL2230S(chip) ((chip)->al2230s_bit || (chip)->rf.type == AL2230S_RF)
28
29 static const u32 zd1211_al2230_table[][3] = {
30         RF_CHANNEL( 1) = { 0x03f790, 0x033331, 0x00000d, },
31         RF_CHANNEL( 2) = { 0x03f790, 0x0b3331, 0x00000d, },
32         RF_CHANNEL( 3) = { 0x03e790, 0x033331, 0x00000d, },
33         RF_CHANNEL( 4) = { 0x03e790, 0x0b3331, 0x00000d, },
34         RF_CHANNEL( 5) = { 0x03f7a0, 0x033331, 0x00000d, },
35         RF_CHANNEL( 6) = { 0x03f7a0, 0x0b3331, 0x00000d, },
36         RF_CHANNEL( 7) = { 0x03e7a0, 0x033331, 0x00000d, },
37         RF_CHANNEL( 8) = { 0x03e7a0, 0x0b3331, 0x00000d, },
38         RF_CHANNEL( 9) = { 0x03f7b0, 0x033331, 0x00000d, },
39         RF_CHANNEL(10) = { 0x03f7b0, 0x0b3331, 0x00000d, },
40         RF_CHANNEL(11) = { 0x03e7b0, 0x033331, 0x00000d, },
41         RF_CHANNEL(12) = { 0x03e7b0, 0x0b3331, 0x00000d, },
42         RF_CHANNEL(13) = { 0x03f7c0, 0x033331, 0x00000d, },
43         RF_CHANNEL(14) = { 0x03e7c0, 0x066661, 0x00000d, },
44 };
45
46 static const u32 zd1211b_al2230_table[][3] = {
47         RF_CHANNEL( 1) = { 0x09efc0, 0x8cccc0, 0xb00000, },
48         RF_CHANNEL( 2) = { 0x09efc0, 0x8cccd0, 0xb00000, },
49         RF_CHANNEL( 3) = { 0x09e7c0, 0x8cccc0, 0xb00000, },
50         RF_CHANNEL( 4) = { 0x09e7c0, 0x8cccd0, 0xb00000, },
51         RF_CHANNEL( 5) = { 0x05efc0, 0x8cccc0, 0xb00000, },
52         RF_CHANNEL( 6) = { 0x05efc0, 0x8cccd0, 0xb00000, },
53         RF_CHANNEL( 7) = { 0x05e7c0, 0x8cccc0, 0xb00000, },
54         RF_CHANNEL( 8) = { 0x05e7c0, 0x8cccd0, 0xb00000, },
55         RF_CHANNEL( 9) = { 0x0defc0, 0x8cccc0, 0xb00000, },
56         RF_CHANNEL(10) = { 0x0defc0, 0x8cccd0, 0xb00000, },
57         RF_CHANNEL(11) = { 0x0de7c0, 0x8cccc0, 0xb00000, },
58         RF_CHANNEL(12) = { 0x0de7c0, 0x8cccd0, 0xb00000, },
59         RF_CHANNEL(13) = { 0x03efc0, 0x8cccc0, 0xb00000, },
60         RF_CHANNEL(14) = { 0x03e7c0, 0x866660, 0xb00000, },
61 };
62
63 static const struct zd_ioreq16 zd1211b_ioreqs_shared_1[] = {
64         { CR240, 0x57 }, { CR9,   0xe0 },
65 };
66
67 static const struct zd_ioreq16 ioreqs_init_al2230s[] = {
68         { CR47,   0x1e }, /* MARK_002 */
69         { CR106,  0x22 },
70         { CR107,  0x2a }, /* MARK_002 */
71         { CR109,  0x13 }, /* MARK_002 */
72         { CR118,  0xf8 }, /* MARK_002 */
73         { CR119,  0x12 }, { CR122,  0xe0 },
74         { CR128,  0x10 }, /* MARK_001 from 0xe->0x10 */
75         { CR129,  0x0e }, /* MARK_001 from 0xd->0x0e */
76         { CR130,  0x10 }, /* MARK_001 from 0xb->0x0d */
77 };
78
79 static int zd1211b_al2230_finalize_rf(struct zd_chip *chip)
80 {
81         int r;
82         static const struct zd_ioreq16 ioreqs[] = {
83                 { CR80,  0x30 }, { CR81,  0x30 }, { CR79,  0x58 },
84                 { CR12,  0xf0 }, { CR77,  0x1b }, { CR78,  0x58 },
85                 { CR203, 0x06 },
86                 { },
87
88                 { CR240, 0x80 },
89         };
90
91         r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
92         if (r)
93                 return r;
94
95         /* related to antenna selection? */
96         if (chip->new_phy_layout) {
97                 r = zd_iowrite16_locked(chip, 0xe1, CR9);
98                 if (r)
99                         return r;
100         }
101
102         return zd_iowrite16_locked(chip, 0x06, CR203);
103 }
104
105 static int zd1211_al2230_init_hw(struct zd_rf *rf)
106 {
107         int r;
108         struct zd_chip *chip = zd_rf_to_chip(rf);
109
110         static const struct zd_ioreq16 ioreqs_init[] = {
111                 { CR15,   0x20 }, { CR23,   0x40 }, { CR24,  0x20 },
112                 { CR26,   0x11 }, { CR28,   0x3e }, { CR29,  0x00 },
113                 { CR44,   0x33 }, { CR106,  0x2a }, { CR107, 0x1a },
114                 { CR109,  0x09 }, { CR110,  0x27 }, { CR111, 0x2b },
115                 { CR112,  0x2b }, { CR119,  0x0a }, { CR10,  0x89 },
116                 /* for newest (3rd cut) AL2300 */
117                 { CR17,   0x28 },
118                 { CR26,   0x93 }, { CR34,   0x30 },
119                 /* for newest (3rd cut) AL2300 */
120                 { CR35,   0x3e },
121                 { CR41,   0x24 }, { CR44,   0x32 },
122                 /* for newest (3rd cut) AL2300 */
123                 { CR46,   0x96 },
124                 { CR47,   0x1e }, { CR79,   0x58 }, { CR80,  0x30 },
125                 { CR81,   0x30 }, { CR87,   0x0a }, { CR89,  0x04 },
126                 { CR92,   0x0a }, { CR99,   0x28 }, { CR100, 0x00 },
127                 { CR101,  0x13 }, { CR102,  0x27 }, { CR106, 0x24 },
128                 { CR107,  0x2a }, { CR109,  0x09 }, { CR110, 0x13 },
129                 { CR111,  0x1f }, { CR112,  0x1f }, { CR113, 0x27 },
130                 { CR114,  0x27 },
131                 /* for newest (3rd cut) AL2300 */
132                 { CR115,  0x24 },
133                 { CR116,  0x24 }, { CR117,  0xf4 }, { CR118, 0xfc },
134                 { CR119,  0x10 }, { CR120,  0x4f }, { CR121, 0x77 },
135                 { CR122,  0xe0 }, { CR137,  0x88 }, { CR252, 0xff },
136                 { CR253,  0xff },
137         };
138
139         static const struct zd_ioreq16 ioreqs_pll[] = {
140                 /* shdnb(PLL_ON)=0 */
141                 { CR251,  0x2f },
142                 /* shdnb(PLL_ON)=1 */
143                 { CR251,  0x3f },
144                 { CR138,  0x28 }, { CR203,  0x06 },
145         };
146
147         static const u32 rv1[] = {
148                 /* Channel 1 */
149                 0x03f790,
150                 0x033331,
151                 0x00000d,
152
153                 0x0b3331,
154                 0x03b812,
155                 0x00fff3,
156         };
157
158         static const u32 rv2[] = {
159                 0x000da4,
160                 0x0f4dc5, /* fix freq shift, 0x04edc5 */
161                 0x0805b6,
162                 0x011687,
163                 0x000688,
164                 0x0403b9, /* external control TX power (CR31) */
165                 0x00dbba,
166                 0x00099b,
167                 0x0bdffc,
168                 0x00000d,
169                 0x00500f,
170         };
171
172         static const u32 rv3[] = {
173                 0x00d00f,
174                 0x004c0f,
175                 0x00540f,
176                 0x00700f,
177                 0x00500f,
178         };
179
180         r = zd_iowrite16a_locked(chip, ioreqs_init, ARRAY_SIZE(ioreqs_init));
181         if (r)
182                 return r;
183
184         if (IS_AL2230S(chip)) {
185                 r = zd_iowrite16a_locked(chip, ioreqs_init_al2230s,
186                         ARRAY_SIZE(ioreqs_init_al2230s));
187                 if (r)
188                         return r;
189         }
190
191         r = zd_rfwritev_locked(chip, rv1, ARRAY_SIZE(rv1), RF_RV_BITS);
192         if (r)
193                 return r;
194
195         /* improve band edge for AL2230S */
196         if (IS_AL2230S(chip))
197                 r = zd_rfwrite_locked(chip, 0x000824, RF_RV_BITS);
198         else
199                 r = zd_rfwrite_locked(chip, 0x0005a4, RF_RV_BITS);
200         if (r)
201                 return r;
202
203         r = zd_rfwritev_locked(chip, rv2, ARRAY_SIZE(rv2), RF_RV_BITS);
204         if (r)
205                 return r;
206
207         r = zd_iowrite16a_locked(chip, ioreqs_pll, ARRAY_SIZE(ioreqs_pll));
208         if (r)
209                 return r;
210
211         r = zd_rfwritev_locked(chip, rv3, ARRAY_SIZE(rv3), RF_RV_BITS);
212         if (r)
213                 return r;
214
215         return 0;
216 }
217
218 static int zd1211b_al2230_init_hw(struct zd_rf *rf)
219 {
220         int r;
221         struct zd_chip *chip = zd_rf_to_chip(rf);
222
223         static const struct zd_ioreq16 ioreqs1[] = {
224                 { CR10,  0x89 }, { CR15,  0x20 },
225                 { CR17,  0x2B }, /* for newest(3rd cut) AL2230 */
226                 { CR23,  0x40 }, { CR24,  0x20 }, { CR26,  0x93 },
227                 { CR28,  0x3e }, { CR29,  0x00 },
228                 { CR33,  0x28 }, /* 5621 */
229                 { CR34,  0x30 },
230                 { CR35,  0x3e }, /* for newest(3rd cut) AL2230 */
231                 { CR41,  0x24 }, { CR44,  0x32 },
232                 { CR46,  0x99 }, /* for newest(3rd cut) AL2230 */
233                 { CR47,  0x1e },
234
235                 /* ZD1211B 05.06.10 */
236                 { CR48,  0x06 }, { CR49,  0xf9 }, { CR51,  0x01 },
237                 { CR52,  0x80 }, { CR53,  0x7e }, { CR65,  0x00 },
238                 { CR66,  0x00 }, { CR67,  0x00 }, { CR68,  0x00 },
239                 { CR69,  0x28 },
240
241                 { CR79,  0x58 }, { CR80,  0x30 }, { CR81,  0x30 },
242                 { CR87,  0x0a }, { CR89,  0x04 },
243                 { CR91,  0x00 }, /* 5621 */
244                 { CR92,  0x0a },
245                 { CR98,  0x8d }, /* 4804,  for 1212 new algorithm */
246                 { CR99,  0x00 }, /* 5621 */
247                 { CR101, 0x13 }, { CR102, 0x27 },
248                 { CR106, 0x24 }, /* for newest(3rd cut) AL2230 */
249                 { CR107, 0x2a },
250                 { CR109, 0x13 }, /* 4804, for 1212 new algorithm */
251                 { CR110, 0x1f }, /* 4804, for 1212 new algorithm */
252                 { CR111, 0x1f }, { CR112, 0x1f }, { CR113, 0x27 },
253                 { CR114, 0x27 },
254                 { CR115, 0x26 }, /* 24->26 at 4902 for newest(3rd cut) AL2230 */
255                 { CR116, 0x24 },
256                 { CR117, 0xfa }, /* for 1211b */
257                 { CR118, 0xfa }, /* for 1211b */
258                 { CR119, 0x10 },
259                 { CR120, 0x4f },
260                 { CR121, 0x6c }, /* for 1211b */
261                 { CR122, 0xfc }, /* E0->FC at 4902 */
262                 { CR123, 0x57 }, /* 5623 */
263                 { CR125, 0xad }, /* 4804, for 1212 new algorithm */
264                 { CR126, 0x6c }, /* 5614 */
265                 { CR127, 0x03 }, /* 4804, for 1212 new algorithm */
266                 { CR137, 0x50 }, /* 5614 */
267                 { CR138, 0xa8 },
268                 { CR144, 0xac }, /* 5621 */
269                 { CR150, 0x0d }, { CR252, 0x34 }, { CR253, 0x34 },
270         };
271
272         static const u32 rv1[] = {
273                 0x8cccd0,
274                 0x481dc0,
275                 0xcfff00,
276                 0x25a000,
277         };
278
279         static const u32 rv2[] = {
280                 /* To improve AL2230 yield, improve phase noise, 4713 */
281                 0x25a000,
282                 0xa3b2f0,
283
284                 0x6da010, /* Reg6 update for MP versio */
285                 0xe36280, /* Modified by jxiao for Bor-Chin on 2004/08/02 */
286                 0x116000,
287                 0x9dc020, /* External control TX power (CR31) */
288                 0x5ddb00, /* RegA update for MP version */
289                 0xd99000, /* RegB update for MP version */
290                 0x3ffbd0, /* RegC update for MP version */
291                 0xb00000, /* RegD update for MP version */
292
293                 /* improve phase noise and remove phase calibration,4713 */
294                 0xf01a00,
295         };
296
297         static const struct zd_ioreq16 ioreqs2[] = {
298                 { CR251, 0x2f }, /* shdnb(PLL_ON)=0 */
299                 { CR251, 0x7f }, /* shdnb(PLL_ON)=1 */
300         };
301
302         static const u32 rv3[] = {
303                 /* To improve AL2230 yield, 4713 */
304                 0xf01b00,
305                 0xf01e00,
306                 0xf01a00,
307         };
308
309         static const struct zd_ioreq16 ioreqs3[] = {
310                 /* related to 6M band edge patching, happens unconditionally */
311                 { CR128, 0x14 }, { CR129, 0x12 }, { CR130, 0x10 },
312         };
313
314         r = zd_iowrite16a_locked(chip, zd1211b_ioreqs_shared_1,
315                 ARRAY_SIZE(zd1211b_ioreqs_shared_1));
316         if (r)
317                 return r;
318         r = zd_iowrite16a_locked(chip, ioreqs1, ARRAY_SIZE(ioreqs1));
319         if (r)
320                 return r;
321
322         if (IS_AL2230S(chip)) {
323                 r = zd_iowrite16a_locked(chip, ioreqs_init_al2230s,
324                         ARRAY_SIZE(ioreqs_init_al2230s));
325                 if (r)
326                         return r;
327         }
328
329         r = zd_rfwritev_cr_locked(chip, zd1211b_al2230_table[0], 3);
330         if (r)
331                 return r;
332         r = zd_rfwritev_cr_locked(chip, rv1, ARRAY_SIZE(rv1));
333         if (r)
334                 return r;
335
336         if (IS_AL2230S(chip))
337                 r = zd_rfwrite_locked(chip, 0x241000, RF_RV_BITS);
338         else
339                 r = zd_rfwrite_locked(chip, 0x25a000, RF_RV_BITS);
340         if (r)
341                 return r;
342
343         r = zd_rfwritev_cr_locked(chip, rv2, ARRAY_SIZE(rv2));
344         if (r)
345                 return r;
346         r = zd_iowrite16a_locked(chip, ioreqs2, ARRAY_SIZE(ioreqs2));
347         if (r)
348                 return r;
349         r = zd_rfwritev_cr_locked(chip, rv3, ARRAY_SIZE(rv3));
350         if (r)
351                 return r;
352         r = zd_iowrite16a_locked(chip, ioreqs3, ARRAY_SIZE(ioreqs3));
353         if (r)
354                 return r;
355         return zd1211b_al2230_finalize_rf(chip);
356 }
357
358 static int zd1211_al2230_set_channel(struct zd_rf *rf, u8 channel)
359 {
360         int r;
361         const u32 *rv = zd1211_al2230_table[channel-1];
362         struct zd_chip *chip = zd_rf_to_chip(rf);
363         static const struct zd_ioreq16 ioreqs[] = {
364                 { CR138, 0x28 },
365                 { CR203, 0x06 },
366         };
367
368         r = zd_rfwritev_locked(chip, rv, 3, RF_RV_BITS);
369         if (r)
370                 return r;
371         return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
372 }
373
374 static int zd1211b_al2230_set_channel(struct zd_rf *rf, u8 channel)
375 {
376         int r;
377         const u32 *rv = zd1211b_al2230_table[channel-1];
378         struct zd_chip *chip = zd_rf_to_chip(rf);
379
380         r = zd_iowrite16a_locked(chip, zd1211b_ioreqs_shared_1,
381                 ARRAY_SIZE(zd1211b_ioreqs_shared_1));
382         if (r)
383                 return r;
384
385         r = zd_rfwritev_cr_locked(chip, rv, 3);
386         if (r)
387                 return r;
388
389         return zd1211b_al2230_finalize_rf(chip);
390 }
391
392 static int zd1211_al2230_switch_radio_on(struct zd_rf *rf)
393 {
394         struct zd_chip *chip = zd_rf_to_chip(rf);
395         static const struct zd_ioreq16 ioreqs[] = {
396                 { CR11,  0x00 },
397                 { CR251, 0x3f },
398         };
399
400         return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
401 }
402
403 static int zd1211b_al2230_switch_radio_on(struct zd_rf *rf)
404 {
405         struct zd_chip *chip = zd_rf_to_chip(rf);
406         static const struct zd_ioreq16 ioreqs[] = {
407                 { CR11,  0x00 },
408                 { CR251, 0x7f },
409         };
410
411         return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
412 }
413
414 static int al2230_switch_radio_off(struct zd_rf *rf)
415 {
416         struct zd_chip *chip = zd_rf_to_chip(rf);
417         static const struct zd_ioreq16 ioreqs[] = {
418                 { CR11,  0x04 },
419                 { CR251, 0x2f },
420         };
421
422         return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
423 }
424
425 int zd_rf_init_al2230(struct zd_rf *rf)
426 {
427         struct zd_chip *chip = zd_rf_to_chip(rf);
428
429         rf->switch_radio_off = al2230_switch_radio_off;
430         if (zd_chip_is_zd1211b(chip)) {
431                 rf->init_hw = zd1211b_al2230_init_hw;
432                 rf->set_channel = zd1211b_al2230_set_channel;
433                 rf->switch_radio_on = zd1211b_al2230_switch_radio_on;
434         } else {
435                 rf->init_hw = zd1211_al2230_init_hw;
436                 rf->set_channel = zd1211_al2230_set_channel;
437                 rf->switch_radio_on = zd1211_al2230_switch_radio_on;
438         }
439         rf->patch_6m_band_edge = zd_rf_generic_patch_6m;
440         rf->patch_cck_gain = 1;
441         return 0;
442 }