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Merge tag 'v3.3.7' into 3.3/master
[zen-stable.git] / drivers / staging / winbond / phy_calibration.c
blob77a3fff708c65f5e9088c0d8dc6b71a286a63f3d
1 /*
2 * phy_302_calibration.c
3 *
4 * Copyright (C) 2002, 2005 Winbond Electronics Corp.
5 *
6 * modification history
7 * ---------------------------------------------------------------------------
8 * 0.01.001, 2003-04-16, Kevin created
9 *
10 */
11
12 /****************** INCLUDE FILES SECTION ***********************************/
13 #include "phy_calibration.h"
14 #include "wbhal.h"
15 #include "wb35reg_f.h"
16 #include "core.h"
17
18
19 /****************** DEBUG CONSTANT AND MACRO SECTION ************************/
20
21 /****************** LOCAL CONSTANT AND MACRO SECTION ************************/
22 #define LOOP_TIMES 20
23 #define US 1000/* MICROSECOND*/
24
25 #define AG_CONST 0.6072529350
26 #define FIXED(X) ((s32)((X) * 32768.0))
27 #define DEG2RAD(X) (0.017453 * (X))
28
29 static const s32 Angles[] = {
30 FIXED(DEG2RAD(45.0)), FIXED(DEG2RAD(26.565)), FIXED(DEG2RAD(14.0362)),
31 FIXED(DEG2RAD(7.12502)), FIXED(DEG2RAD(3.57633)), FIXED(DEG2RAD(1.78991)),
32 FIXED(DEG2RAD(0.895174)), FIXED(DEG2RAD(0.447614)), FIXED(DEG2RAD(0.223811)),
33 FIXED(DEG2RAD(0.111906)), FIXED(DEG2RAD(0.055953)), FIXED(DEG2RAD(0.027977))
34 };
35
36 /****************** LOCAL FUNCTION DECLARATION SECTION **********************/
37
38 /*
39 * void _phy_rf_write_delay(struct hw_data *phw_data);
40 * void phy_init_rf(struct hw_data *phw_data);
41 */
42
43 /****************** FUNCTION DEFINITION SECTION *****************************/
44
45 s32 _s13_to_s32(u32 data)
46 {
47 u32 val;
48
49 val = (data & 0x0FFF);
50
51 if ((data & BIT(12)) != 0)
52 val |= 0xFFFFF000;
53
54 return (s32) val;
55 }
56
57 u32 _s32_to_s13(s32 data)
58 {
59 u32 val;
60
61 if (data > 4095)
62 data = 4095;
63 else if (data < -4096)
64 data = -4096;
65
66 val = data & 0x1FFF;
67
68 return val;
69 }
70
71 /****************************************************************************/
72 s32 _s4_to_s32(u32 data)
73 {
74 s32 val;
75
76 val = (data & 0x0007);
77
78 if ((data & BIT(3)) != 0)
79 val |= 0xFFFFFFF8;
80
81 return val;
82 }
83
84 u32 _s32_to_s4(s32 data)
85 {
86 u32 val;
87
88 if (data > 7)
89 data = 7;
90 else if (data < -8)
91 data = -8;
92
93 val = data & 0x000F;
94
95 return val;
96 }
97
98 /****************************************************************************/
99 s32 _s5_to_s32(u32 data)
100 {
101 s32 val;
102
103 val = (data & 0x000F);
104
105 if ((data & BIT(4)) != 0)
106 val |= 0xFFFFFFF0;
107
108 return val;
109 }
110
111 u32 _s32_to_s5(s32 data)
112 {
113 u32 val;
114
115 if (data > 15)
116 data = 15;
117 else if (data < -16)
118 data = -16;
119
120 val = data & 0x001F;
121
122 return val;
123 }
124
125 /****************************************************************************/
126 s32 _s6_to_s32(u32 data)
127 {
128 s32 val;
129
130 val = (data & 0x001F);
131
132 if ((data & BIT(5)) != 0)
133 val |= 0xFFFFFFE0;
134
135 return val;
136 }
137
138 u32 _s32_to_s6(s32 data)
139 {
140 u32 val;
141
142 if (data > 31)
143 data = 31;
144 else if (data < -32)
145 data = -32;
146
147 val = data & 0x003F;
148
149 return val;
150 }
151
152 /****************************************************************************/
153 s32 _s9_to_s32(u32 data)
154 {
155 s32 val;
156
157 val = data & 0x00FF;
158
159 if ((data & BIT(8)) != 0)
160 val |= 0xFFFFFF00;
161
162 return val;
163 }
164
165 u32 _s32_to_s9(s32 data)
166 {
167 u32 val;
168
169 if (data > 255)
170 data = 255;
171 else if (data < -256)
172 data = -256;
173
174 val = data & 0x01FF;
175
176 return val;
177 }
178
179 /****************************************************************************/
180 s32 _floor(s32 n)
181 {
182 if (n > 0)
183 n += 5;
184 else
185 n -= 5;
186
187 return n/10;
188 }
189
190 /****************************************************************************/
191 /*
192 * The following code is sqare-root function.
193 * sqsum is the input and the output is sq_rt;
194 * The maximum of sqsum = 2^27 -1;
195 */
196 u32 _sqrt(u32 sqsum)
197 {
198 u32 sq_rt;
199
200 int g0, g1, g2, g3, g4;
201 int seed;
202 int next;
203 int step;
204
205 g4 = sqsum / 100000000;
206 g3 = (sqsum - g4*100000000) / 1000000;
207 g2 = (sqsum - g4*100000000 - g3*1000000) / 10000;
208 g1 = (sqsum - g4*100000000 - g3*1000000 - g2*10000) / 100;
209 g0 = (sqsum - g4*100000000 - g3*1000000 - g2*10000 - g1*100);
210
211 next = g4;
212 step = 0;
213 seed = 0;
214 while (((seed+1)*(step+1)) <= next) {
215 step++;
216 seed++;
217 }
218
219 sq_rt = seed * 10000;
220 next = (next-(seed*step))*100 + g3;
221
222 step = 0;
223 seed = 2 * seed * 10;
224 while (((seed+1)*(step+1)) <= next) {
225 step++;
226 seed++;
227 }
228
229 sq_rt = sq_rt + step * 1000;
230 next = (next - seed * step) * 100 + g2;
231 seed = (seed + step) * 10;
232 step = 0;
233 while (((seed+1)*(step+1)) <= next) {
234 step++;
235 seed++;
236 }
237
238 sq_rt = sq_rt + step * 100;
239 next = (next - seed * step) * 100 + g1;
240 seed = (seed + step) * 10;
241 step = 0;
242
243 while (((seed+1)*(step+1)) <= next) {
244 step++;
245 seed++;
246 }
247
248 sq_rt = sq_rt + step * 10;
249 next = (next - seed * step) * 100 + g0;
250 seed = (seed + step) * 10;
251 step = 0;
252
253 while (((seed+1)*(step+1)) <= next) {
254 step++;
255 seed++;
256 }
257
258 sq_rt = sq_rt + step;
259
260 return sq_rt;
261 }
262
263 /****************************************************************************/
264 void _sin_cos(s32 angle, s32 *sin, s32 *cos)
265 {
266 s32 X, Y, TargetAngle, CurrAngle;
267 unsigned Step;
268
269 X = FIXED(AG_CONST); /* AG_CONST * cos(0) */
270 Y = 0; /* AG_CONST * sin(0) */
271 TargetAngle = abs(angle);
272 CurrAngle = 0;
273
274 for (Step = 0; Step < 12; Step++) {
275 s32 NewX;
276
277 if (TargetAngle > CurrAngle) {
278 NewX = X - (Y >> Step);
279 Y = (X >> Step) + Y;
280 X = NewX;
281 CurrAngle += Angles[Step];
282 } else {
283 NewX = X + (Y >> Step);
284 Y = -(X >> Step) + Y;
285 X = NewX;
286 CurrAngle -= Angles[Step];
287 }
288 }
289
290 if (angle > 0) {
291 *cos = X;
292 *sin = Y;
293 } else {
294 *cos = X;
295 *sin = -Y;
296 }
297 }
298
299 static unsigned char hal_get_dxx_reg(struct hw_data *pHwData, u16 number, u32 * pValue)
300 {
301 if (number < 0x1000)
302 number += 0x1000;
303 return Wb35Reg_ReadSync(pHwData, number, pValue);
304 }
305 #define hw_get_dxx_reg(_A, _B, _C) hal_get_dxx_reg(_A, _B, (u32 *)_C)
306
307 static unsigned char hal_set_dxx_reg(struct hw_data *pHwData, u16 number, u32 value)
308 {
309 unsigned char ret;
310
311 if (number < 0x1000)
312 number += 0x1000;
313 ret = Wb35Reg_WriteSync(pHwData, number, value);
314 return ret;
315 }
316 #define hw_set_dxx_reg(_A, _B, _C) hal_set_dxx_reg(_A, _B, (u32)_C)
317
318
319 void _reset_rx_cal(struct hw_data *phw_data)
320 {
321 u32 val;
322
323 hw_get_dxx_reg(phw_data, 0x54, &val);
324
325 if (phw_data->revision == 0x2002) /* 1st-cut */
326 val &= 0xFFFF0000;
327 else /* 2nd-cut */
328 val &= 0x000003FF;
329
330 hw_set_dxx_reg(phw_data, 0x54, val);
331 }
332
333
334 /**************for winbond calibration*********/
335
336
337
338 /**********************************************/
339 void _rxadc_dc_offset_cancellation_winbond(struct hw_data *phw_data, u32 frequency)
340 {
341 u32 reg_agc_ctrl3;
342 u32 reg_a_acq_ctrl;
343 u32 reg_b_acq_ctrl;
344 u32 val;
345
346 PHY_DEBUG(("[CAL] -> [1]_rxadc_dc_offset_cancellation()\n"));
347 phy_init_rf(phw_data);
348
349 /* set calibration channel */
350 if ((RF_WB_242 == phw_data->phy_type) ||
351 (RF_WB_242_1 == phw_data->phy_type)) /* 20060619.5 Add */{
352 if ((frequency >= 2412) && (frequency <= 2484)) {
353 /* w89rf242 change frequency to 2390Mhz */
354 PHY_DEBUG(("[CAL] W89RF242/11G/Channel=2390Mhz\n"));
355 phy_set_rf_data(phw_data, 3, (3<<24)|0x025586);
356
357 }
358 } else {
359
360 }
361
362 /* reset cancel_dc_i[9:5] and cancel_dc_q[4:0] in register DC_Cancel */
363 hw_get_dxx_reg(phw_data, 0x5C, &val);
364 val &= ~(0x03FF);
365 hw_set_dxx_reg(phw_data, 0x5C, val);
366
367 /* reset the TX and RX IQ calibration data */
368 hw_set_dxx_reg(phw_data, 0x3C, 0);
369 hw_set_dxx_reg(phw_data, 0x54, 0);
370
371 hw_set_dxx_reg(phw_data, 0x58, 0x30303030); /* IQ_Alpha Changed */
372
373 /* a. Disable AGC */
374 hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, &reg_agc_ctrl3);
375 reg_agc_ctrl3 &= ~BIT(2);
376 reg_agc_ctrl3 |= (MASK_LNA_FIX_GAIN|MASK_AGC_FIX);
377 hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3);
378
379 hw_get_dxx_reg(phw_data, REG_AGC_CTRL5, &val);
380 val |= MASK_AGC_FIX_GAIN;
381 hw_set_dxx_reg(phw_data, REG_AGC_CTRL5, val);
382
383 /* b. Turn off BB RX */
384 hw_get_dxx_reg(phw_data, REG_A_ACQ_CTRL, &reg_a_acq_ctrl);
385 reg_a_acq_ctrl |= MASK_AMER_OFF_REG;
386 hw_set_dxx_reg(phw_data, REG_A_ACQ_CTRL, reg_a_acq_ctrl);
387
388 hw_get_dxx_reg(phw_data, REG_B_ACQ_CTRL, &reg_b_acq_ctrl);
389 reg_b_acq_ctrl |= MASK_BMER_OFF_REG;
390 hw_set_dxx_reg(phw_data, REG_B_ACQ_CTRL, reg_b_acq_ctrl);
391
392 /* c. Make sure MAC is in receiving mode
393 * d. Turn ON ADC calibration
394 * - ADC calibrator is triggered by this signal rising from 0 to 1 */
395 hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &val);
396 val &= ~MASK_ADC_DC_CAL_STR;
397 hw_set_dxx_reg(phw_data, REG_MODE_CTRL, val);
398
399 val |= MASK_ADC_DC_CAL_STR;
400 hw_set_dxx_reg(phw_data, REG_MODE_CTRL, val);
401
402 /* e. The result are shown in "adc_dc_cal_i[8:0] and adc_dc_cal_q[8:0]" */
403 #ifdef _DEBUG
404 hw_get_dxx_reg(phw_data, REG_OFFSET_READ, &val);
405 PHY_DEBUG(("[CAL] REG_OFFSET_READ = 0x%08X\n", val));
406
407 PHY_DEBUG(("[CAL] ** adc_dc_cal_i = %d (0x%04X)\n",
408 _s9_to_s32(val&0x000001FF), val&0x000001FF));
409 PHY_DEBUG(("[CAL] ** adc_dc_cal_q = %d (0x%04X)\n",
410 _s9_to_s32((val&0x0003FE00)>>9), (val&0x0003FE00)>>9));
411 #endif
412
413 hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &val);
414 val &= ~MASK_ADC_DC_CAL_STR;
415 hw_set_dxx_reg(phw_data, REG_MODE_CTRL, val);
416
417 /* f. Turn on BB RX */
418 /* hw_get_dxx_reg(phw_data, REG_A_ACQ_CTRL, &reg_a_acq_ctrl); */
419 reg_a_acq_ctrl &= ~MASK_AMER_OFF_REG;
420 hw_set_dxx_reg(phw_data, REG_A_ACQ_CTRL, reg_a_acq_ctrl);
421
422 /* hw_get_dxx_reg(phw_data, REG_B_ACQ_CTRL, &reg_b_acq_ctrl); */
423 reg_b_acq_ctrl &= ~MASK_BMER_OFF_REG;
424 hw_set_dxx_reg(phw_data, REG_B_ACQ_CTRL, reg_b_acq_ctrl);
425
426 /* g. Enable AGC */
427 /* hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, &val); */
428 reg_agc_ctrl3 |= BIT(2);
429 reg_agc_ctrl3 &= ~(MASK_LNA_FIX_GAIN|MASK_AGC_FIX);
430 hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3);
431 }
432
433 /****************************************************************/
434 void _txidac_dc_offset_cancellation_winbond(struct hw_data *phw_data)
435 {
436 u32 reg_agc_ctrl3;
437 u32 reg_mode_ctrl;
438 u32 reg_dc_cancel;
439 s32 iqcal_image_i;
440 s32 iqcal_image_q;
441 u32 sqsum;
442 s32 mag_0;
443 s32 mag_1;
444 s32 fix_cancel_dc_i = 0;
445 u32 val;
446 int loop;
447
448 PHY_DEBUG(("[CAL] -> [2]_txidac_dc_offset_cancellation()\n"));
449
450 /* a. Set to "TX calibration mode" */
451
452 /* 0x01 0xEE3FC2 ; 3B8FF ; Calibration (6a). enable TX IQ calibration loop circuits */
453 phy_set_rf_data(phw_data, 1, (1<<24)|0xEE3FC2);
454 /* 0x0B 0x1905D6 ; 06417 ; Calibration (6b). enable TX I/Q cal loop squaring circuit */
455 phy_set_rf_data(phw_data, 11, (11<<24)|0x1901D6);
456 /* 0x05 0x24C60A ; 09318 ; Calibration (6c). setting TX-VGA gain: TXGCH=2 & GPK=110 --> to be optimized */
457 phy_set_rf_data(phw_data, 5, (5<<24)|0x24C48A);
458 /* 0x06 0x06880C ; 01A20 ; Calibration (6d). RXGCH=00; RXGCL=100 000 (RXVGA=32) --> to be optimized */
459 phy_set_rf_data(phw_data, 6, (6<<24)|0x06890C);
460 /* 0x00 0xFDF1C0 ; 3F7C7 ; Calibration (6e). turn on IQ imbalance/Test mode */
461 phy_set_rf_data(phw_data, 0, (0<<24)|0xFDF1C0);
462
463 hw_set_dxx_reg(phw_data, 0x58, 0x30303030); /* IQ_Alpha Changed */
464
465 /* a. Disable AGC */
466 hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, &reg_agc_ctrl3);
467 reg_agc_ctrl3 &= ~BIT(2);
468 reg_agc_ctrl3 |= (MASK_LNA_FIX_GAIN|MASK_AGC_FIX);
469 hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3);
470
471 hw_get_dxx_reg(phw_data, REG_AGC_CTRL5, &val);
472 val |= MASK_AGC_FIX_GAIN;
473 hw_set_dxx_reg(phw_data, REG_AGC_CTRL5, val);
474
475 /* b. set iqcal_mode[1:0] to 0x2 and set iqcal_tone[3:2] to 0 */
476 hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &reg_mode_ctrl);
477
478 PHY_DEBUG(("[CAL] MODE_CTRL (read) = 0x%08X\n", reg_mode_ctrl));
479 reg_mode_ctrl &= ~(MASK_IQCAL_TONE_SEL|MASK_IQCAL_MODE);
480
481 /* mode=2, tone=0 */
482 /* reg_mode_ctrl |= (MASK_CALIB_START|2); */
483
484 /* mode=2, tone=1 */
485 /* reg_mode_ctrl |= (MASK_CALIB_START|2|(1<<2)); */
486
487 /* mode=2, tone=2 */
488 reg_mode_ctrl |= (MASK_CALIB_START|2|(2<<2));
489 hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl);
490 PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
491
492 hw_get_dxx_reg(phw_data, 0x5C, &reg_dc_cancel);
493 PHY_DEBUG(("[CAL] DC_CANCEL (read) = 0x%08X\n", reg_dc_cancel));
494
495 for (loop = 0; loop < LOOP_TIMES; loop++) {
496 PHY_DEBUG(("[CAL] [%d.] ==================================\n", loop));
497
498 /* c. reset cancel_dc_i[9:5] and cancel_dc_q[4:0] in register DC_Cancel */
499 reg_dc_cancel &= ~(0x03FF);
500 PHY_DEBUG(("[CAL] DC_CANCEL (write) = 0x%08X\n", reg_dc_cancel));
501 hw_set_dxx_reg(phw_data, 0x5C, reg_dc_cancel);
502
503 hw_get_dxx_reg(phw_data, REG_CALIB_READ2, &val);
504 PHY_DEBUG(("[CAL] CALIB_READ2 = 0x%08X\n", val));
505
506 iqcal_image_i = _s13_to_s32(val & 0x00001FFF);
507 iqcal_image_q = _s13_to_s32((val & 0x03FFE000) >> 13);
508 sqsum = iqcal_image_i*iqcal_image_i + iqcal_image_q*iqcal_image_q;
509 mag_0 = (s32) _sqrt(sqsum);
510 PHY_DEBUG(("[CAL] mag_0=%d (iqcal_image_i=%d, iqcal_image_q=%d)\n",
511 mag_0, iqcal_image_i, iqcal_image_q));
512
513 /* d. */
514 reg_dc_cancel |= (1 << CANCEL_DC_I_SHIFT);
515 PHY_DEBUG(("[CAL] DC_CANCEL (write) = 0x%08X\n", reg_dc_cancel));
516 hw_set_dxx_reg(phw_data, 0x5C, reg_dc_cancel);
517
518 hw_get_dxx_reg(phw_data, REG_CALIB_READ2, &val);
519 PHY_DEBUG(("[CAL] CALIB_READ2 = 0x%08X\n", val));
520
521 iqcal_image_i = _s13_to_s32(val & 0x00001FFF);
522 iqcal_image_q = _s13_to_s32((val & 0x03FFE000) >> 13);
523 sqsum = iqcal_image_i*iqcal_image_i + iqcal_image_q*iqcal_image_q;
524 mag_1 = (s32) _sqrt(sqsum);
525 PHY_DEBUG(("[CAL] mag_1=%d (iqcal_image_i=%d, iqcal_image_q=%d)\n",
526 mag_1, iqcal_image_i, iqcal_image_q));
527
528 /* e. Calculate the correct DC offset cancellation value for I */
529 if (mag_0 != mag_1)
530 fix_cancel_dc_i = (mag_0*10000) / (mag_0*10000 - mag_1*10000);
531 else {
532 if (mag_0 == mag_1)
533 PHY_DEBUG(("[CAL] ***** mag_0 = mag_1 !!\n"));
534 fix_cancel_dc_i = 0;
535 }
536
537 PHY_DEBUG(("[CAL] ** fix_cancel_dc_i = %d (0x%04X)\n",
538 fix_cancel_dc_i, _s32_to_s5(fix_cancel_dc_i)));
539
540 if ((abs(mag_1-mag_0)*6) > mag_0)
541 break;
542 }
543
544 if (loop >= 19)
545 fix_cancel_dc_i = 0;
546
547 reg_dc_cancel &= ~(0x03FF);
548 reg_dc_cancel |= (_s32_to_s5(fix_cancel_dc_i) << CANCEL_DC_I_SHIFT);
549 hw_set_dxx_reg(phw_data, 0x5C, reg_dc_cancel);
550 PHY_DEBUG(("[CAL] DC_CANCEL (write) = 0x%08X\n", reg_dc_cancel));
551
552 /* g. */
553 reg_mode_ctrl &= ~MASK_CALIB_START;
554 hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl);
555 PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
556 }
557
558 /*****************************************************/
559 void _txqdac_dc_offset_cacellation_winbond(struct hw_data *phw_data)
560 {
561 u32 reg_agc_ctrl3;
562 u32 reg_mode_ctrl;
563 u32 reg_dc_cancel;
564 s32 iqcal_image_i;
565 s32 iqcal_image_q;
566 u32 sqsum;
567 s32 mag_0;
568 s32 mag_1;
569 s32 fix_cancel_dc_q = 0;
570 u32 val;
571 int loop;
572
573 PHY_DEBUG(("[CAL] -> [3]_txqdac_dc_offset_cacellation()\n"));
574 /*0x01 0xEE3FC2 ; 3B8FF ; Calibration (6a). enable TX IQ calibration loop circuits */
575 phy_set_rf_data(phw_data, 1, (1<<24)|0xEE3FC2);
576 /* 0x0B 0x1905D6 ; 06417 ; Calibration (6b). enable TX I/Q cal loop squaring circuit */
577 phy_set_rf_data(phw_data, 11, (11<<24)|0x1901D6);
578 /* 0x05 0x24C60A ; 09318 ; Calibration (6c). setting TX-VGA gain: TXGCH=2 & GPK=110 --> to be optimized */
579 phy_set_rf_data(phw_data, 5, (5<<24)|0x24C48A);
580 /* 0x06 0x06880C ; 01A20 ; Calibration (6d). RXGCH=00; RXGCL=100 000 (RXVGA=32) --> to be optimized */
581 phy_set_rf_data(phw_data, 6, (6<<24)|0x06890C);
582 /* 0x00 0xFDF1C0 ; 3F7C7 ; Calibration (6e). turn on IQ imbalance/Test mode */
583 phy_set_rf_data(phw_data, 0, (0<<24)|0xFDF1C0);
584
585 hw_set_dxx_reg(phw_data, 0x58, 0x30303030); /* IQ_Alpha Changed */
586
587 /* a. Disable AGC */
588 hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, &reg_agc_ctrl3);
589 reg_agc_ctrl3 &= ~BIT(2);
590 reg_agc_ctrl3 |= (MASK_LNA_FIX_GAIN|MASK_AGC_FIX);
591 hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3);
592
593 hw_get_dxx_reg(phw_data, REG_AGC_CTRL5, &val);
594 val |= MASK_AGC_FIX_GAIN;
595 hw_set_dxx_reg(phw_data, REG_AGC_CTRL5, val);
596
597 /* a. set iqcal_mode[1:0] to 0x3 and set iqcal_tone[3:2] to 0 */
598 hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &reg_mode_ctrl);
599 PHY_DEBUG(("[CAL] MODE_CTRL (read) = 0x%08X\n", reg_mode_ctrl));
600
601 /* reg_mode_ctrl &= ~(MASK_IQCAL_TONE_SEL|MASK_IQCAL_MODE); */
602 reg_mode_ctrl &= ~(MASK_IQCAL_MODE);
603 reg_mode_ctrl |= (MASK_CALIB_START|3);
604 hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl);
605 PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
606
607 hw_get_dxx_reg(phw_data, 0x5C, &reg_dc_cancel);
608 PHY_DEBUG(("[CAL] DC_CANCEL (read) = 0x%08X\n", reg_dc_cancel));
609
610 for (loop = 0; loop < LOOP_TIMES; loop++) {
611 PHY_DEBUG(("[CAL] [%d.] ==================================\n", loop));
612
613 /* b. reset cancel_dc_q[4:0] in register DC_Cancel */
614 reg_dc_cancel &= ~(0x001F);
615 PHY_DEBUG(("[CAL] DC_CANCEL (write) = 0x%08X\n", reg_dc_cancel));
616 hw_set_dxx_reg(phw_data, 0x5C, reg_dc_cancel);
617
618 hw_get_dxx_reg(phw_data, REG_CALIB_READ2, &val);
619 PHY_DEBUG(("[CAL] CALIB_READ2 = 0x%08X\n", val));
620
621 iqcal_image_i = _s13_to_s32(val & 0x00001FFF);
622 iqcal_image_q = _s13_to_s32((val & 0x03FFE000) >> 13);
623 sqsum = iqcal_image_i*iqcal_image_i + iqcal_image_q*iqcal_image_q;
624 mag_0 = _sqrt(sqsum);
625 PHY_DEBUG(("[CAL] mag_0=%d (iqcal_image_i=%d, iqcal_image_q=%d)\n",
626 mag_0, iqcal_image_i, iqcal_image_q));
627
628 /* c. */
629 reg_dc_cancel |= (1 << CANCEL_DC_Q_SHIFT);
630 PHY_DEBUG(("[CAL] DC_CANCEL (write) = 0x%08X\n", reg_dc_cancel));
631 hw_set_dxx_reg(phw_data, 0x5C, reg_dc_cancel);
632
633 hw_get_dxx_reg(phw_data, REG_CALIB_READ2, &val);
634 PHY_DEBUG(("[CAL] CALIB_READ2 = 0x%08X\n", val));
635
636 iqcal_image_i = _s13_to_s32(val & 0x00001FFF);
637 iqcal_image_q = _s13_to_s32((val & 0x03FFE000) >> 13);
638 sqsum = iqcal_image_i*iqcal_image_i + iqcal_image_q*iqcal_image_q;
639 mag_1 = _sqrt(sqsum);
640 PHY_DEBUG(("[CAL] mag_1=%d (iqcal_image_i=%d, iqcal_image_q=%d)\n",
641 mag_1, iqcal_image_i, iqcal_image_q));
642
643 /* d. Calculate the correct DC offset cancellation value for I */
644 if (mag_0 != mag_1)
645 fix_cancel_dc_q = (mag_0*10000) / (mag_0*10000 - mag_1*10000);
646 else {
647 if (mag_0 == mag_1)
648 PHY_DEBUG(("[CAL] ***** mag_0 = mag_1 !!\n"));
649 fix_cancel_dc_q = 0;
650 }
651
652 PHY_DEBUG(("[CAL] ** fix_cancel_dc_q = %d (0x%04X)\n",
653 fix_cancel_dc_q, _s32_to_s5(fix_cancel_dc_q)));
654
655 if ((abs(mag_1-mag_0)*6) > mag_0)
656 break;
657 }
658
659 if (loop >= 19)
660 fix_cancel_dc_q = 0;
661
662 reg_dc_cancel &= ~(0x001F);
663 reg_dc_cancel |= (_s32_to_s5(fix_cancel_dc_q) << CANCEL_DC_Q_SHIFT);
664 hw_set_dxx_reg(phw_data, 0x5C, reg_dc_cancel);
665 PHY_DEBUG(("[CAL] DC_CANCEL (write) = 0x%08X\n", reg_dc_cancel));
666
667
668 /* f. */
669 reg_mode_ctrl &= ~MASK_CALIB_START;
670 hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl);
671 PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
672 }
673
674 /* 20060612.1.a 20060718.1 Modify */
675 u8 _tx_iq_calibration_loop_winbond(struct hw_data *phw_data,
676 s32 a_2_threshold,
677 s32 b_2_threshold)
678 {
679 u32 reg_mode_ctrl;
680 s32 iq_mag_0_tx;
681 s32 iqcal_tone_i0;
682 s32 iqcal_tone_q0;
683 s32 iqcal_tone_i;
684 s32 iqcal_tone_q;
685 u32 sqsum;
686 s32 rot_i_b;
687 s32 rot_q_b;
688 s32 tx_cal_flt_b[4];
689 s32 tx_cal[4];
690 s32 tx_cal_reg[4];
691 s32 a_2, b_2;
692 s32 sin_b, sin_2b;
693 s32 cos_b, cos_2b;
694 s32 divisor;
695 s32 temp1, temp2;
696 u32 val;
697 u16 loop;
698 s32 iqcal_tone_i_avg, iqcal_tone_q_avg;
699 u8 verify_count;
700 int capture_time;
701
702 PHY_DEBUG(("[CAL] -> _tx_iq_calibration_loop()\n"));
703 PHY_DEBUG(("[CAL] ** a_2_threshold = %d\n", a_2_threshold));
704 PHY_DEBUG(("[CAL] ** b_2_threshold = %d\n", b_2_threshold));
705
706 verify_count = 0;
707
708 hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &reg_mode_ctrl);
709 PHY_DEBUG(("[CAL] MODE_CTRL (read) = 0x%08X\n", reg_mode_ctrl));
710
711 loop = LOOP_TIMES;
712
713 while (loop > 0) {
714 PHY_DEBUG(("[CAL] [%d.] <_tx_iq_calibration_loop>\n", (LOOP_TIMES-loop+1)));
715
716 iqcal_tone_i_avg = 0;
717 iqcal_tone_q_avg = 0;
718 if (!hw_set_dxx_reg(phw_data, 0x3C, 0x00)) /* 20060718.1 modify */
719 return 0;
720 for (capture_time = 0; capture_time < 10; capture_time++) {
721 /*
722 * a. Set iqcal_mode[1:0] to 0x2 and set "calib_start" to 0x1 to
723 * enable "IQ alibration Mode II"
724 */
725 reg_mode_ctrl &= ~(MASK_IQCAL_TONE_SEL|MASK_IQCAL_MODE);
726 reg_mode_ctrl &= ~MASK_IQCAL_MODE;
727 reg_mode_ctrl |= (MASK_CALIB_START|0x02);
728 reg_mode_ctrl |= (MASK_CALIB_START|0x02|2<<2);
729 hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl);
730 PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
731
732 /* b. */
733 hw_get_dxx_reg(phw_data, REG_CALIB_READ1, &val);
734 PHY_DEBUG(("[CAL] CALIB_READ1 = 0x%08X\n", val));
735
736 iqcal_tone_i0 = _s13_to_s32(val & 0x00001FFF);
737 iqcal_tone_q0 = _s13_to_s32((val & 0x03FFE000) >> 13);
738 PHY_DEBUG(("[CAL] ** iqcal_tone_i0=%d, iqcal_tone_q0=%d\n",
739 iqcal_tone_i0, iqcal_tone_q0));
740
741 sqsum = iqcal_tone_i0*iqcal_tone_i0 +
742 iqcal_tone_q0*iqcal_tone_q0;
743 iq_mag_0_tx = (s32) _sqrt(sqsum);
744 PHY_DEBUG(("[CAL] ** iq_mag_0_tx=%d\n", iq_mag_0_tx));
745
746 /* c. Set "calib_start" to 0x0 */
747 reg_mode_ctrl &= ~MASK_CALIB_START;
748 hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl);
749 PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
750
751 /*
752 * d. Set iqcal_mode[1:0] to 0x3 and set "calib_start" to 0x1 to
753 * enable "IQ alibration Mode II"
754 */
755 /* hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &val); */
756 hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &reg_mode_ctrl);
757 reg_mode_ctrl &= ~MASK_IQCAL_MODE;
758 reg_mode_ctrl |= (MASK_CALIB_START|0x03);
759 hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl);
760 PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
761
762 /* e. */
763 hw_get_dxx_reg(phw_data, REG_CALIB_READ1, &val);
764 PHY_DEBUG(("[CAL] CALIB_READ1 = 0x%08X\n", val));
765
766 iqcal_tone_i = _s13_to_s32(val & 0x00001FFF);
767 iqcal_tone_q = _s13_to_s32((val & 0x03FFE000) >> 13);
768 PHY_DEBUG(("[CAL] ** iqcal_tone_i = %d, iqcal_tone_q = %d\n",
769 iqcal_tone_i, iqcal_tone_q));
770 if (capture_time == 0)
771 continue;
772 else {
773 iqcal_tone_i_avg = (iqcal_tone_i_avg*(capture_time-1) + iqcal_tone_i)/capture_time;
774 iqcal_tone_q_avg = (iqcal_tone_q_avg*(capture_time-1) + iqcal_tone_q)/capture_time;
775 }
776 }
777
778 iqcal_tone_i = iqcal_tone_i_avg;
779 iqcal_tone_q = iqcal_tone_q_avg;
780
781
782 rot_i_b = (iqcal_tone_i * iqcal_tone_i0 +
783 iqcal_tone_q * iqcal_tone_q0) / 1024;
784 rot_q_b = (iqcal_tone_i * iqcal_tone_q0 * (-1) +
785 iqcal_tone_q * iqcal_tone_i0) / 1024;
786 PHY_DEBUG(("[CAL] ** rot_i_b = %d, rot_q_b = %d\n",
787 rot_i_b, rot_q_b));
788
789 /* f. */
790 divisor = ((iq_mag_0_tx * iq_mag_0_tx * 2)/1024 - rot_i_b) * 2;
791
792 if (divisor == 0) {
793 PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> ERROR *******\n"));
794 PHY_DEBUG(("[CAL] ** divisor=0 to calculate EPS and THETA !!\n"));
795 PHY_DEBUG(("[CAL] ******************************************\n"));
796 break;
797 }
798
799 a_2 = (rot_i_b * 32768) / divisor;
800 b_2 = (rot_q_b * (-32768)) / divisor;
801 PHY_DEBUG(("[CAL] ***** EPSILON/2 = %d\n", a_2));
802 PHY_DEBUG(("[CAL] ***** THETA/2 = %d\n", b_2));
803
804 phw_data->iq_rsdl_gain_tx_d2 = a_2;
805 phw_data->iq_rsdl_phase_tx_d2 = b_2;
806
807 /* if ((abs(a_2) < 150) && (abs(b_2) < 100)) */
808 /* if ((abs(a_2) < 200) && (abs(b_2) < 200)) */
809 if ((abs(a_2) < a_2_threshold) && (abs(b_2) < b_2_threshold)) {
810 verify_count++;
811
812 PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> *************\n"));
813 PHY_DEBUG(("[CAL] ** VERIFY OK # %d !!\n", verify_count));
814 PHY_DEBUG(("[CAL] ******************************************\n"));
815
816 if (verify_count > 2) {
817 PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> *********\n"));
818 PHY_DEBUG(("[CAL] ** TX_IQ_CALIBRATION (EPS,THETA) OK !!\n"));
819 PHY_DEBUG(("[CAL] **************************************\n"));
820 return 0;
821 }
822
823 continue;
824 } else
825 verify_count = 0;
826
827 _sin_cos(b_2, &sin_b, &cos_b);
828 _sin_cos(b_2*2, &sin_2b, &cos_2b);
829 PHY_DEBUG(("[CAL] ** sin(b/2)=%d, cos(b/2)=%d\n", sin_b, cos_b));
830 PHY_DEBUG(("[CAL] ** sin(b)=%d, cos(b)=%d\n", sin_2b, cos_2b));
831
832 if (cos_2b == 0) {
833 PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> ERROR *******\n"));
834 PHY_DEBUG(("[CAL] ** cos(b)=0 !!\n"));
835 PHY_DEBUG(("[CAL] ******************************************\n"));
836 break;
837 }
838
839 /* 1280 * 32768 = 41943040 */
840 temp1 = (41943040/cos_2b)*cos_b;
841
842 /* temp2 = (41943040/cos_2b)*sin_b*(-1); */
843 if (phw_data->revision == 0x2002) /* 1st-cut */
844 temp2 = (41943040/cos_2b)*sin_b*(-1);
845 else /* 2nd-cut */
846 temp2 = (41943040*4/cos_2b)*sin_b*(-1);
847
848 tx_cal_flt_b[0] = _floor(temp1/(32768+a_2));
849 tx_cal_flt_b[1] = _floor(temp2/(32768+a_2));
850 tx_cal_flt_b[2] = _floor(temp2/(32768-a_2));
851 tx_cal_flt_b[3] = _floor(temp1/(32768-a_2));
852 PHY_DEBUG(("[CAL] ** tx_cal_flt_b[0] = %d\n", tx_cal_flt_b[0]));
853 PHY_DEBUG(("[CAL] tx_cal_flt_b[1] = %d\n", tx_cal_flt_b[1]));
854 PHY_DEBUG(("[CAL] tx_cal_flt_b[2] = %d\n", tx_cal_flt_b[2]));
855 PHY_DEBUG(("[CAL] tx_cal_flt_b[3] = %d\n", tx_cal_flt_b[3]));
856
857 tx_cal[2] = tx_cal_flt_b[2];
858 tx_cal[2] = tx_cal[2] + 3;
859 tx_cal[1] = tx_cal[2];
860 tx_cal[3] = tx_cal_flt_b[3] - 128;
861 tx_cal[0] = -tx_cal[3] + 1;
862
863 PHY_DEBUG(("[CAL] tx_cal[0] = %d\n", tx_cal[0]));
864 PHY_DEBUG(("[CAL] tx_cal[1] = %d\n", tx_cal[1]));
865 PHY_DEBUG(("[CAL] tx_cal[2] = %d\n", tx_cal[2]));
866 PHY_DEBUG(("[CAL] tx_cal[3] = %d\n", tx_cal[3]));
867
868 /* if ((tx_cal[0] == 0) && (tx_cal[1] == 0) &&
869 (tx_cal[2] == 0) && (tx_cal[3] == 0))
870 { */
871 /* PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> *************\n"));
872 * PHY_DEBUG(("[CAL] ** TX_IQ_CALIBRATION COMPLETE !!\n"));
873 * PHY_DEBUG(("[CAL] ******************************************\n"));
874 * return 0;
875 } */
876
877 /* g. */
878 if (phw_data->revision == 0x2002) /* 1st-cut */{
879 hw_get_dxx_reg(phw_data, 0x54, &val);
880 PHY_DEBUG(("[CAL] ** 0x54 = 0x%08X\n", val));
881 tx_cal_reg[0] = _s4_to_s32((val & 0xF0000000) >> 28);
882 tx_cal_reg[1] = _s4_to_s32((val & 0x0F000000) >> 24);
883 tx_cal_reg[2] = _s4_to_s32((val & 0x00F00000) >> 20);
884 tx_cal_reg[3] = _s4_to_s32((val & 0x000F0000) >> 16);
885 } else /* 2nd-cut */{
886 hw_get_dxx_reg(phw_data, 0x3C, &val);
887 PHY_DEBUG(("[CAL] ** 0x3C = 0x%08X\n", val));
888 tx_cal_reg[0] = _s5_to_s32((val & 0xF8000000) >> 27);
889 tx_cal_reg[1] = _s6_to_s32((val & 0x07E00000) >> 21);
890 tx_cal_reg[2] = _s6_to_s32((val & 0x001F8000) >> 15);
891 tx_cal_reg[3] = _s5_to_s32((val & 0x00007C00) >> 10);
892
893 }
894
895 PHY_DEBUG(("[CAL] ** tx_cal_reg[0] = %d\n", tx_cal_reg[0]));
896 PHY_DEBUG(("[CAL] tx_cal_reg[1] = %d\n", tx_cal_reg[1]));
897 PHY_DEBUG(("[CAL] tx_cal_reg[2] = %d\n", tx_cal_reg[2]));
898 PHY_DEBUG(("[CAL] tx_cal_reg[3] = %d\n", tx_cal_reg[3]));
899
900 if (phw_data->revision == 0x2002) /* 1st-cut */{
901 if (((tx_cal_reg[0] == 7) || (tx_cal_reg[0] == (-8))) &&
902 ((tx_cal_reg[3] == 7) || (tx_cal_reg[3] == (-8)))) {
903 PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> *********\n"));
904 PHY_DEBUG(("[CAL] ** TX_IQ_CALIBRATION SATUATION !!\n"));
905 PHY_DEBUG(("[CAL] **************************************\n"));
906 break;
907 }
908 } else /* 2nd-cut */{
909 if (((tx_cal_reg[0] == 31) || (tx_cal_reg[0] == (-32))) &&
910 ((tx_cal_reg[3] == 31) || (tx_cal_reg[3] == (-32)))) {
911 PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> *********\n"));
912 PHY_DEBUG(("[CAL] ** TX_IQ_CALIBRATION SATUATION !!\n"));
913 PHY_DEBUG(("[CAL] **************************************\n"));
914 break;
915 }
916 }
917
918 tx_cal[0] = tx_cal[0] + tx_cal_reg[0];
919 tx_cal[1] = tx_cal[1] + tx_cal_reg[1];
920 tx_cal[2] = tx_cal[2] + tx_cal_reg[2];
921 tx_cal[3] = tx_cal[3] + tx_cal_reg[3];
922 PHY_DEBUG(("[CAL] ** apply tx_cal[0] = %d\n", tx_cal[0]));
923 PHY_DEBUG(("[CAL] apply tx_cal[1] = %d\n", tx_cal[1]));
924 PHY_DEBUG(("[CAL] apply tx_cal[2] = %d\n", tx_cal[2]));
925 PHY_DEBUG(("[CAL] apply tx_cal[3] = %d\n", tx_cal[3]));
926
927 if (phw_data->revision == 0x2002) /* 1st-cut */{
928 val &= 0x0000FFFF;
929 val |= ((_s32_to_s4(tx_cal[0]) << 28)|
930 (_s32_to_s4(tx_cal[1]) << 24)|
931 (_s32_to_s4(tx_cal[2]) << 20)|
932 (_s32_to_s4(tx_cal[3]) << 16));
933 hw_set_dxx_reg(phw_data, 0x54, val);
934 PHY_DEBUG(("[CAL] ** CALIB_DATA = 0x%08X\n", val));
935 return 0;
936 } else /* 2nd-cut */{
937 val &= 0x000003FF;
938 val |= ((_s32_to_s5(tx_cal[0]) << 27)|
939 (_s32_to_s6(tx_cal[1]) << 21)|
940 (_s32_to_s6(tx_cal[2]) << 15)|
941 (_s32_to_s5(tx_cal[3]) << 10));
942 hw_set_dxx_reg(phw_data, 0x3C, val);
943 PHY_DEBUG(("[CAL] ** TX_IQ_CALIBRATION = 0x%08X\n", val));
944 return 0;
945 }
946
947 /* i. Set "calib_start" to 0x0 */
948 reg_mode_ctrl &= ~MASK_CALIB_START;
949 hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl);
950 PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
951
952 loop--;
953 }
954
955 return 1;
956 }
957
958 void _tx_iq_calibration_winbond(struct hw_data *phw_data)
959 {
960 u32 reg_agc_ctrl3;
961 #ifdef _DEBUG
962 s32 tx_cal_reg[4];
963
964 #endif
965 u32 reg_mode_ctrl;
966 u32 val;
967 u8 result;
968
969 PHY_DEBUG(("[CAL] -> [4]_tx_iq_calibration()\n"));
970
971 /* 0x01 0xEE3FC2 ; 3B8FF ; Calibration (6a). enable TX IQ calibration loop circuits */
972 phy_set_rf_data(phw_data, 1, (1<<24)|0xEE3FC2);
973 /* 0x0B 0x1905D6 ; 06417 ; Calibration (6b). enable TX I/Q cal loop squaring circuit */
974 phy_set_rf_data(phw_data, 11, (11<<24)|0x19BDD6); /* 20060612.1.a 0x1905D6); */
975 /* 0x05 0x24C60A ; 09318 ; Calibration (6c). setting TX-VGA gain: TXGCH=2 & GPK=110 --> to be optimized */
976 phy_set_rf_data(phw_data, 5, (5<<24)|0x24C60A); /* 0x24C60A (high temperature) */
977 /* 0x06 0x06880C ; 01A20 ; Calibration (6d). RXGCH=00; RXGCL=100 000 (RXVGA=32) --> to be optimized */
978 phy_set_rf_data(phw_data, 6, (6<<24)|0x34880C); /* 20060612.1.a 0x06890C); */
979 /* 0x00 0xFDF1C0 ; 3F7C7 ; Calibration (6e). turn on IQ imbalance/Test mode */
980 phy_set_rf_data(phw_data, 0, (0<<24)|0xFDF1C0);
981 /* ; [BB-chip]: Calibration (6f).Send test pattern */
982 /* ; [BB-chip]: Calibration (6g). Search RXGCL optimal value */
983 /* ; [BB-chip]: Calibration (6h). Caculate TX-path IQ imbalance and setting TX path IQ compensation table */
984 /* phy_set_rf_data(phw_data, 3, (3<<24)|0x025586); */
985
986 msleep(30); /* 20060612.1.a 30ms delay. Add the follow 2 lines */
987 /* To adjust TXVGA to fit iq_mag_0 range from 1250 ~ 1750 */
988 adjust_TXVGA_for_iq_mag(phw_data);
989
990 /* a. Disable AGC */
991 hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, &reg_agc_ctrl3);
992 reg_agc_ctrl3 &= ~BIT(2);
993 reg_agc_ctrl3 |= (MASK_LNA_FIX_GAIN|MASK_AGC_FIX);
994 hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3);
995
996 hw_get_dxx_reg(phw_data, REG_AGC_CTRL5, &val);
997 val |= MASK_AGC_FIX_GAIN;
998 hw_set_dxx_reg(phw_data, REG_AGC_CTRL5, val);
999
1000 result = _tx_iq_calibration_loop_winbond(phw_data, 150, 100);
1001
1002 if (result > 0) {
1003 if (phw_data->revision == 0x2002) /* 1st-cut */{
1004 hw_get_dxx_reg(phw_data, 0x54, &val);
1005 val &= 0x0000FFFF;
1006 hw_set_dxx_reg(phw_data, 0x54, val);
1007 } else /* 2nd-cut*/{
1008 hw_get_dxx_reg(phw_data, 0x3C, &val);
1009 val &= 0x000003FF;
1010 hw_set_dxx_reg(phw_data, 0x3C, val);
1011 }
1012
1013 result = _tx_iq_calibration_loop_winbond(phw_data, 300, 200);
1014
1015 if (result > 0) {
1016 if (phw_data->revision == 0x2002) /* 1st-cut */{
1017 hw_get_dxx_reg(phw_data, 0x54, &val);
1018 val &= 0x0000FFFF;
1019 hw_set_dxx_reg(phw_data, 0x54, val);
1020 } else /* 2nd-cut*/{
1021 hw_get_dxx_reg(phw_data, 0x3C, &val);
1022 val &= 0x000003FF;
1023 hw_set_dxx_reg(phw_data, 0x3C, val);
1024 }
1025
1026 result = _tx_iq_calibration_loop_winbond(phw_data, 500, 400);
1027 if (result > 0) {
1028 if (phw_data->revision == 0x2002) /* 1st-cut */{
1029 hw_get_dxx_reg(phw_data, 0x54, &val);
1030 val &= 0x0000FFFF;
1031 hw_set_dxx_reg(phw_data, 0x54, val);
1032 } else /* 2nd-cut */{
1033 hw_get_dxx_reg(phw_data, 0x3C, &val);
1034 val &= 0x000003FF;
1035 hw_set_dxx_reg(phw_data, 0x3C, val);
1036 }
1037
1038
1039 result = _tx_iq_calibration_loop_winbond(phw_data, 700, 500);
1040
1041 if (result > 0) {
1042 PHY_DEBUG(("[CAL] ** <_tx_iq_calibration> **************\n"));
1043 PHY_DEBUG(("[CAL] ** TX_IQ_CALIBRATION FAILURE !!\n"));
1044 PHY_DEBUG(("[CAL] **************************************\n"));
1045
1046 if (phw_data->revision == 0x2002) /* 1st-cut */{
1047 hw_get_dxx_reg(phw_data, 0x54, &val);
1048 val &= 0x0000FFFF;
1049 hw_set_dxx_reg(phw_data, 0x54, val);
1050 } else /* 2nd-cut */{
1051 hw_get_dxx_reg(phw_data, 0x3C, &val);
1052 val &= 0x000003FF;
1053 hw_set_dxx_reg(phw_data, 0x3C, val);
1054 }
1055 }
1056 }
1057 }
1058 }
1059
1060 /* i. Set "calib_start" to 0x0 */
1061 hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &reg_mode_ctrl);
1062 reg_mode_ctrl &= ~MASK_CALIB_START;
1063 hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl);
1064 PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
1065
1066 /* g. Enable AGC */
1067 /* hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, &val); */
1068 reg_agc_ctrl3 |= BIT(2);
1069 reg_agc_ctrl3 &= ~(MASK_LNA_FIX_GAIN|MASK_AGC_FIX);
1070 hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3);
1071
1072 #ifdef _DEBUG
1073 if (phw_data->revision == 0x2002) /* 1st-cut */{
1074 hw_get_dxx_reg(phw_data, 0x54, &val);
1075 PHY_DEBUG(("[CAL] ** 0x54 = 0x%08X\n", val));
1076 tx_cal_reg[0] = _s4_to_s32((val & 0xF0000000) >> 28);
1077 tx_cal_reg[1] = _s4_to_s32((val & 0x0F000000) >> 24);
1078 tx_cal_reg[2] = _s4_to_s32((val & 0x00F00000) >> 20);
1079 tx_cal_reg[3] = _s4_to_s32((val & 0x000F0000) >> 16);
1080 } else /* 2nd-cut */ {
1081 hw_get_dxx_reg(phw_data, 0x3C, &val);
1082 PHY_DEBUG(("[CAL] ** 0x3C = 0x%08X\n", val));
1083 tx_cal_reg[0] = _s5_to_s32((val & 0xF8000000) >> 27);
1084 tx_cal_reg[1] = _s6_to_s32((val & 0x07E00000) >> 21);
1085 tx_cal_reg[2] = _s6_to_s32((val & 0x001F8000) >> 15);
1086 tx_cal_reg[3] = _s5_to_s32((val & 0x00007C00) >> 10);
1087
1088 }
1089
1090 PHY_DEBUG(("[CAL] ** tx_cal_reg[0] = %d\n", tx_cal_reg[0]));
1091 PHY_DEBUG(("[CAL] tx_cal_reg[1] = %d\n", tx_cal_reg[1]));
1092 PHY_DEBUG(("[CAL] tx_cal_reg[2] = %d\n", tx_cal_reg[2]));
1093 PHY_DEBUG(("[CAL] tx_cal_reg[3] = %d\n", tx_cal_reg[3]));
1094 #endif
1095
1096
1097 /*
1098 * for test - BEN
1099 * RF Control Override
1100 */
1101 }
1102
1103 /*****************************************************/
1104 u8 _rx_iq_calibration_loop_winbond(struct hw_data *phw_data, u16 factor, u32 frequency)
1105 {
1106 u32 reg_mode_ctrl;
1107 s32 iqcal_tone_i;
1108 s32 iqcal_tone_q;
1109 s32 iqcal_image_i;
1110 s32 iqcal_image_q;
1111 s32 rot_tone_i_b;
1112 s32 rot_tone_q_b;
1113 s32 rot_image_i_b;
1114 s32 rot_image_q_b;
1115 s32 rx_cal_flt_b[4];
1116 s32 rx_cal[4];
1117 s32 rx_cal_reg[4];
1118 s32 a_2, b_2;
1119 s32 sin_b, sin_2b;
1120 s32 cos_b, cos_2b;
1121 s32 temp1, temp2;
1122 u32 val;
1123 u16 loop;
1124
1125 u32 pwr_tone;
1126 u32 pwr_image;
1127 u8 verify_count;
1128
1129 s32 iqcal_tone_i_avg, iqcal_tone_q_avg;
1130 s32 iqcal_image_i_avg, iqcal_image_q_avg;
1131 u16 capture_time;
1132
1133 PHY_DEBUG(("[CAL] -> [5]_rx_iq_calibration_loop()\n"));
1134 PHY_DEBUG(("[CAL] ** factor = %d\n", factor));
1135
1136 hw_set_dxx_reg(phw_data, 0x58, 0x44444444); /* IQ_Alpha */
1137
1138 /* b. */
1139
1140 hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &reg_mode_ctrl);
1141 PHY_DEBUG(("[CAL] MODE_CTRL (read) = 0x%08X\n", reg_mode_ctrl));
1142
1143 verify_count = 0;
1144
1145 /* for (loop = 0; loop < 1; loop++) */
1146 /* for (loop = 0; loop < LOOP_TIMES; loop++) */
1147 loop = LOOP_TIMES;
1148 while (loop > 0) {
1149 PHY_DEBUG(("[CAL] [%d.] <_rx_iq_calibration_loop>\n", (LOOP_TIMES-loop+1)));
1150 iqcal_tone_i_avg = 0;
1151 iqcal_tone_q_avg = 0;
1152 iqcal_image_i_avg = 0;
1153 iqcal_image_q_avg = 0;
1154 capture_time = 0;
1155
1156 for (capture_time = 0; capture_time < 10; capture_time++) {
1157 /* i. Set "calib_start" to 0x0 */
1158 reg_mode_ctrl &= ~MASK_CALIB_START;
1159 if (!hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl))/*20060718.1 modify */
1160 return 0;
1161 PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
1162
1163 reg_mode_ctrl &= ~MASK_IQCAL_MODE;
1164 reg_mode_ctrl |= (MASK_CALIB_START|0x1);
1165 hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl);
1166 PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
1167
1168 /* c. */
1169 hw_get_dxx_reg(phw_data, REG_CALIB_READ1, &val);
1170 PHY_DEBUG(("[CAL] CALIB_READ1 = 0x%08X\n", val));
1171
1172 iqcal_tone_i = _s13_to_s32(val & 0x00001FFF);
1173 iqcal_tone_q = _s13_to_s32((val & 0x03FFE000) >> 13);
1174 PHY_DEBUG(("[CAL] ** iqcal_tone_i = %d, iqcal_tone_q = %d\n",
1175 iqcal_tone_i, iqcal_tone_q));
1176
1177 hw_get_dxx_reg(phw_data, REG_CALIB_READ2, &val);
1178 PHY_DEBUG(("[CAL] CALIB_READ2 = 0x%08X\n", val));
1179
1180 iqcal_image_i = _s13_to_s32(val & 0x00001FFF);
1181 iqcal_image_q = _s13_to_s32((val & 0x03FFE000) >> 13);
1182 PHY_DEBUG(("[CAL] ** iqcal_image_i = %d, iqcal_image_q = %d\n",
1183 iqcal_image_i, iqcal_image_q));
1184 if (capture_time == 0)
1185 continue;
1186 else {
1187 iqcal_image_i_avg = (iqcal_image_i_avg*(capture_time-1) + iqcal_image_i)/capture_time;
1188 iqcal_image_q_avg = (iqcal_image_q_avg*(capture_time-1) + iqcal_image_q)/capture_time;
1189 iqcal_tone_i_avg = (iqcal_tone_i_avg*(capture_time-1) + iqcal_tone_i)/capture_time;
1190 iqcal_tone_q_avg = (iqcal_tone_q_avg*(capture_time-1) + iqcal_tone_q)/capture_time;
1191 }
1192 }
1193
1194
1195 iqcal_image_i = iqcal_image_i_avg;
1196 iqcal_image_q = iqcal_image_q_avg;
1197 iqcal_tone_i = iqcal_tone_i_avg;
1198 iqcal_tone_q = iqcal_tone_q_avg;
1199
1200 /* d. */
1201 rot_tone_i_b = (iqcal_tone_i * iqcal_tone_i +
1202 iqcal_tone_q * iqcal_tone_q) / 1024;
1203 rot_tone_q_b = (iqcal_tone_i * iqcal_tone_q * (-1) +
1204 iqcal_tone_q * iqcal_tone_i) / 1024;
1205 rot_image_i_b = (iqcal_image_i * iqcal_tone_i -
1206 iqcal_image_q * iqcal_tone_q) / 1024;
1207 rot_image_q_b = (iqcal_image_i * iqcal_tone_q +
1208 iqcal_image_q * iqcal_tone_i) / 1024;
1209
1210 PHY_DEBUG(("[CAL] ** rot_tone_i_b = %d\n", rot_tone_i_b));
1211 PHY_DEBUG(("[CAL] ** rot_tone_q_b = %d\n", rot_tone_q_b));
1212 PHY_DEBUG(("[CAL] ** rot_image_i_b = %d\n", rot_image_i_b));
1213 PHY_DEBUG(("[CAL] ** rot_image_q_b = %d\n", rot_image_q_b));
1214
1215 /* f. */
1216 if (rot_tone_i_b == 0) {
1217 PHY_DEBUG(("[CAL] ** <_rx_iq_calibration_loop> ERROR *******\n"));
1218 PHY_DEBUG(("[CAL] ** rot_tone_i_b=0 to calculate EPS and THETA !!\n"));
1219 PHY_DEBUG(("[CAL] ******************************************\n"));
1220 break;
1221 }
1222
1223 a_2 = (rot_image_i_b * 32768) / rot_tone_i_b -
1224 phw_data->iq_rsdl_gain_tx_d2;
1225 b_2 = (rot_image_q_b * 32768) / rot_tone_i_b -
1226 phw_data->iq_rsdl_phase_tx_d2;
1227
1228 PHY_DEBUG(("[CAL] ** iq_rsdl_gain_tx_d2 = %d\n", phw_data->iq_rsdl_gain_tx_d2));
1229 PHY_DEBUG(("[CAL] ** iq_rsdl_phase_tx_d2= %d\n", phw_data->iq_rsdl_phase_tx_d2));
1230 PHY_DEBUG(("[CAL] ***** EPSILON/2 = %d\n", a_2));
1231 PHY_DEBUG(("[CAL] ***** THETA/2 = %d\n", b_2));
1232
1233 _sin_cos(b_2, &sin_b, &cos_b);
1234 _sin_cos(b_2*2, &sin_2b, &cos_2b);
1235 PHY_DEBUG(("[CAL] ** sin(b/2)=%d, cos(b/2)=%d\n", sin_b, cos_b));
1236 PHY_DEBUG(("[CAL] ** sin(b)=%d, cos(b)=%d\n", sin_2b, cos_2b));
1237
1238 if (cos_2b == 0) {
1239 PHY_DEBUG(("[CAL] ** <_rx_iq_calibration_loop> ERROR *******\n"));
1240 PHY_DEBUG(("[CAL] ** cos(b)=0 !!\n"));
1241 PHY_DEBUG(("[CAL] ******************************************\n"));
1242 break;
1243 }
1244
1245 /* 1280 * 32768 = 41943040 */
1246 temp1 = (41943040/cos_2b)*cos_b;
1247
1248 /* temp2 = (41943040/cos_2b)*sin_b*(-1); */
1249 if (phw_data->revision == 0x2002)/* 1st-cut */
1250 temp2 = (41943040/cos_2b)*sin_b*(-1);
1251 else/* 2nd-cut */
1252 temp2 = (41943040*4/cos_2b)*sin_b*(-1);
1253
1254 rx_cal_flt_b[0] = _floor(temp1/(32768+a_2));
1255 rx_cal_flt_b[1] = _floor(temp2/(32768-a_2));
1256 rx_cal_flt_b[2] = _floor(temp2/(32768+a_2));
1257 rx_cal_flt_b[3] = _floor(temp1/(32768-a_2));
1258
1259 PHY_DEBUG(("[CAL] ** rx_cal_flt_b[0] = %d\n", rx_cal_flt_b[0]));
1260 PHY_DEBUG(("[CAL] rx_cal_flt_b[1] = %d\n", rx_cal_flt_b[1]));
1261 PHY_DEBUG(("[CAL] rx_cal_flt_b[2] = %d\n", rx_cal_flt_b[2]));
1262 PHY_DEBUG(("[CAL] rx_cal_flt_b[3] = %d\n", rx_cal_flt_b[3]));
1263
1264 rx_cal[0] = rx_cal_flt_b[0] - 128;
1265 rx_cal[1] = rx_cal_flt_b[1];
1266 rx_cal[2] = rx_cal_flt_b[2];
1267 rx_cal[3] = rx_cal_flt_b[3] - 128;
1268 PHY_DEBUG(("[CAL] ** rx_cal[0] = %d\n", rx_cal[0]));
1269 PHY_DEBUG(("[CAL] rx_cal[1] = %d\n", rx_cal[1]));
1270 PHY_DEBUG(("[CAL] rx_cal[2] = %d\n", rx_cal[2]));
1271 PHY_DEBUG(("[CAL] rx_cal[3] = %d\n", rx_cal[3]));
1272
1273 /* e. */
1274 pwr_tone = (iqcal_tone_i*iqcal_tone_i + iqcal_tone_q*iqcal_tone_q);
1275 pwr_image = (iqcal_image_i*iqcal_image_i + iqcal_image_q*iqcal_image_q)*factor;
1276
1277 PHY_DEBUG(("[CAL] ** pwr_tone = %d\n", pwr_tone));
1278 PHY_DEBUG(("[CAL] ** pwr_image = %d\n", pwr_image));
1279
1280 if (pwr_tone > pwr_image) {
1281 verify_count++;
1282
1283 PHY_DEBUG(("[CAL] ** <_rx_iq_calibration_loop> *************\n"));
1284 PHY_DEBUG(("[CAL] ** VERIFY OK # %d !!\n", verify_count));
1285 PHY_DEBUG(("[CAL] ******************************************\n"));
1286
1287 if (verify_count > 2) {
1288 PHY_DEBUG(("[CAL] ** <_rx_iq_calibration_loop> *********\n"));
1289 PHY_DEBUG(("[CAL] ** RX_IQ_CALIBRATION OK !!\n"));
1290 PHY_DEBUG(("[CAL] **************************************\n"));
1291 return 0;
1292 }
1293
1294 continue;
1295 }
1296 /* g. */
1297 hw_get_dxx_reg(phw_data, 0x54, &val);
1298 PHY_DEBUG(("[CAL] ** 0x54 = 0x%08X\n", val));
1299
1300 if (phw_data->revision == 0x2002) /* 1st-cut */{
1301 rx_cal_reg[0] = _s4_to_s32((val & 0x0000F000) >> 12);
1302 rx_cal_reg[1] = _s4_to_s32((val & 0x00000F00) >> 8);
1303 rx_cal_reg[2] = _s4_to_s32((val & 0x000000F0) >> 4);
1304 rx_cal_reg[3] = _s4_to_s32((val & 0x0000000F));
1305 } else /* 2nd-cut */{
1306 rx_cal_reg[0] = _s5_to_s32((val & 0xF8000000) >> 27);
1307 rx_cal_reg[1] = _s6_to_s32((val & 0x07E00000) >> 21);
1308 rx_cal_reg[2] = _s6_to_s32((val & 0x001F8000) >> 15);
1309 rx_cal_reg[3] = _s5_to_s32((val & 0x00007C00) >> 10);
1310 }
1311
1312 PHY_DEBUG(("[CAL] ** rx_cal_reg[0] = %d\n", rx_cal_reg[0]));
1313 PHY_DEBUG(("[CAL] rx_cal_reg[1] = %d\n", rx_cal_reg[1]));
1314 PHY_DEBUG(("[CAL] rx_cal_reg[2] = %d\n", rx_cal_reg[2]));
1315 PHY_DEBUG(("[CAL] rx_cal_reg[3] = %d\n", rx_cal_reg[3]));
1316
1317 if (phw_data->revision == 0x2002) /* 1st-cut */{
1318 if (((rx_cal_reg[0] == 7) || (rx_cal_reg[0] == (-8))) &&
1319 ((rx_cal_reg[3] == 7) || (rx_cal_reg[3] == (-8)))) {
1320 PHY_DEBUG(("[CAL] ** <_rx_iq_calibration_loop> *********\n"));
1321 PHY_DEBUG(("[CAL] ** RX_IQ_CALIBRATION SATUATION !!\n"));
1322 PHY_DEBUG(("[CAL] **************************************\n"));
1323 break;
1324 }
1325 } else /* 2nd-cut */{
1326 if (((rx_cal_reg[0] == 31) || (rx_cal_reg[0] == (-32))) &&
1327 ((rx_cal_reg[3] == 31) || (rx_cal_reg[3] == (-32)))) {
1328 PHY_DEBUG(("[CAL] ** <_rx_iq_calibration_loop> *********\n"));
1329 PHY_DEBUG(("[CAL] ** RX_IQ_CALIBRATION SATUATION !!\n"));
1330 PHY_DEBUG(("[CAL] **************************************\n"));
1331 break;
1332 }
1333 }
1334
1335 rx_cal[0] = rx_cal[0] + rx_cal_reg[0];
1336 rx_cal[1] = rx_cal[1] + rx_cal_reg[1];
1337 rx_cal[2] = rx_cal[2] + rx_cal_reg[2];
1338 rx_cal[3] = rx_cal[3] + rx_cal_reg[3];
1339 PHY_DEBUG(("[CAL] ** apply rx_cal[0] = %d\n", rx_cal[0]));
1340 PHY_DEBUG(("[CAL] apply rx_cal[1] = %d\n", rx_cal[1]));
1341 PHY_DEBUG(("[CAL] apply rx_cal[2] = %d\n", rx_cal[2]));
1342 PHY_DEBUG(("[CAL] apply rx_cal[3] = %d\n", rx_cal[3]));
1343
1344 hw_get_dxx_reg(phw_data, 0x54, &val);
1345 if (phw_data->revision == 0x2002) /* 1st-cut */{
1346 val &= 0x0000FFFF;
1347 val |= ((_s32_to_s4(rx_cal[0]) << 12)|
1348 (_s32_to_s4(rx_cal[1]) << 8)|
1349 (_s32_to_s4(rx_cal[2]) << 4)|
1350 (_s32_to_s4(rx_cal[3])));
1351 hw_set_dxx_reg(phw_data, 0x54, val);
1352 } else /* 2nd-cut */{
1353 val &= 0x000003FF;
1354 val |= ((_s32_to_s5(rx_cal[0]) << 27)|
1355 (_s32_to_s6(rx_cal[1]) << 21)|
1356 (_s32_to_s6(rx_cal[2]) << 15)|
1357 (_s32_to_s5(rx_cal[3]) << 10));
1358 hw_set_dxx_reg(phw_data, 0x54, val);
1359
1360 if (loop == 3)
1361 return 0;
1362 }
1363 PHY_DEBUG(("[CAL] ** CALIB_DATA = 0x%08X\n", val));
1364
1365 loop--;
1366 }
1367
1368 return 1;
1369 }
1370
1371 /*************************************************/
1372
1373 /***************************************************************/
1374 void _rx_iq_calibration_winbond(struct hw_data *phw_data, u32 frequency)
1375 {
1376 /* figo 20050523 marked this flag for can't compile for relesase */
1377 #ifdef _DEBUG
1378 s32 rx_cal_reg[4];
1379 u32 val;
1380 #endif
1381
1382 u8 result;
1383
1384 PHY_DEBUG(("[CAL] -> [5]_rx_iq_calibration()\n"));
1385 /* a. Set RFIC to "RX calibration mode" */
1386 /* ; ----- Calibration (7). RX path IQ imbalance calibration loop */
1387 /* 0x01 0xFFBFC2 ; 3FEFF ; Calibration (7a). enable RX IQ calibration loop circuits */
1388 phy_set_rf_data(phw_data, 1, (1<<24)|0xEFBFC2);
1389 /* 0x0B 0x1A01D6 ; 06817 ; Calibration (7b). enable RX I/Q cal loop SW1 circuits */
1390 phy_set_rf_data(phw_data, 11, (11<<24)|0x1A05D6);
1391 /* 0x05 0x24848A ; 09212 ; Calibration (7c). setting TX-VGA gain (TXGCH) to 2 --> to be optimized */
1392 phy_set_rf_data(phw_data, 5, (5<<24) | phw_data->txvga_setting_for_cal);
1393 /* 0x06 0x06840C ; 01A10 ; Calibration (7d). RXGCH=00; RXGCL=010 000 (RXVGA) --> to be optimized */
1394 phy_set_rf_data(phw_data, 6, (6<<24)|0x06834C);
1395 /* 0x00 0xFFF1C0 ; 3F7C7 ; Calibration (7e). turn on IQ imbalance/Test mode */
1396 phy_set_rf_data(phw_data, 0, (0<<24)|0xFFF1C0);
1397
1398 /* ; [BB-chip]: Calibration (7f). Send test pattern */
1399 /* ; [BB-chip]: Calibration (7g). Search RXGCL optimal value */
1400 /* ; [BB-chip]: Calibration (7h). Caculate RX-path IQ imbalance and setting RX path IQ compensation table */
1401
1402 result = _rx_iq_calibration_loop_winbond(phw_data, 12589, frequency);
1403
1404 if (result > 0) {
1405 _reset_rx_cal(phw_data);
1406 result = _rx_iq_calibration_loop_winbond(phw_data, 7943, frequency);
1407
1408 if (result > 0) {
1409 _reset_rx_cal(phw_data);
1410 result = _rx_iq_calibration_loop_winbond(phw_data, 5011, frequency);
1411
1412 if (result > 0) {
1413 PHY_DEBUG(("[CAL] ** <_rx_iq_calibration> **************\n"));
1414 PHY_DEBUG(("[CAL] ** RX_IQ_CALIBRATION FAILURE !!\n"));
1415 PHY_DEBUG(("[CAL] **************************************\n"));
1416 _reset_rx_cal(phw_data);
1417 }
1418 }
1419 }
1420
1421 #ifdef _DEBUG
1422 hw_get_dxx_reg(phw_data, 0x54, &val);
1423 PHY_DEBUG(("[CAL] ** 0x54 = 0x%08X\n", val));
1424
1425 if (phw_data->revision == 0x2002) /* 1st-cut */{
1426 rx_cal_reg[0] = _s4_to_s32((val & 0x0000F000) >> 12);
1427 rx_cal_reg[1] = _s4_to_s32((val & 0x00000F00) >> 8);
1428 rx_cal_reg[2] = _s4_to_s32((val & 0x000000F0) >> 4);
1429 rx_cal_reg[3] = _s4_to_s32((val & 0x0000000F));
1430 } else /* 2nd-cut */{
1431 rx_cal_reg[0] = _s5_to_s32((val & 0xF8000000) >> 27);
1432 rx_cal_reg[1] = _s6_to_s32((val & 0x07E00000) >> 21);
1433 rx_cal_reg[2] = _s6_to_s32((val & 0x001F8000) >> 15);
1434 rx_cal_reg[3] = _s5_to_s32((val & 0x00007C00) >> 10);
1435 }
1436
1437 PHY_DEBUG(("[CAL] ** rx_cal_reg[0] = %d\n", rx_cal_reg[0]));
1438 PHY_DEBUG(("[CAL] rx_cal_reg[1] = %d\n", rx_cal_reg[1]));
1439 PHY_DEBUG(("[CAL] rx_cal_reg[2] = %d\n", rx_cal_reg[2]));
1440 PHY_DEBUG(("[CAL] rx_cal_reg[3] = %d\n", rx_cal_reg[3]));
1441 #endif
1442
1443 }
1444
1445 /*******************************************************/
1446 void phy_calibration_winbond(struct hw_data *phw_data, u32 frequency)
1447 {
1448 u32 reg_mode_ctrl;
1449 u32 iq_alpha;
1450
1451 PHY_DEBUG(("[CAL] -> phy_calibration_winbond()\n"));
1452
1453 hw_get_dxx_reg(phw_data, 0x58, &iq_alpha);
1454
1455 _rxadc_dc_offset_cancellation_winbond(phw_data, frequency);
1456 /* _txidac_dc_offset_cancellation_winbond(phw_data); */
1457 /* _txqdac_dc_offset_cacellation_winbond(phw_data); */
1458
1459 _tx_iq_calibration_winbond(phw_data);
1460 _rx_iq_calibration_winbond(phw_data, frequency);
1461
1462 /*********************************************************************/
1463 hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &reg_mode_ctrl);
1464 reg_mode_ctrl &= ~(MASK_IQCAL_TONE_SEL|MASK_IQCAL_MODE|MASK_CALIB_START); /* set when finish */
1465 hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl);
1466 PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
1467
1468 /* i. Set RFIC to "Normal mode" */
1469 hw_set_dxx_reg(phw_data, 0x58, iq_alpha);
1470
1471 /*********************************************************************/
1472 phy_init_rf(phw_data);
1473
1474 }
1475
1476 /******************/
1477 void phy_set_rf_data(struct hw_data *pHwData, u32 index, u32 value)
1478 {
1479 u32 ltmp = 0;
1480
1481 switch (pHwData->phy_type) {
1482 case RF_MAXIM_2825:
1483 case RF_MAXIM_V1: /* 11g Winbond 2nd BB(with Phy board (v1) + Maxim 331) */
1484 ltmp = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse(value, 18);
1485 break;
1486
1487 case RF_MAXIM_2827:
1488 ltmp = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse(value, 18);
1489 break;
1490
1491 case RF_MAXIM_2828:
1492 ltmp = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse(value, 18);
1493 break;
1494
1495 case RF_MAXIM_2829:
1496 ltmp = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse(value, 18);
1497 break;
1498
1499 case RF_AIROHA_2230:
1500 case RF_AIROHA_2230S: /* 20060420 Add this */
1501 ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse(value, 20);
1502 break;
1503
1504 case RF_AIROHA_7230:
1505 ltmp = (1 << 31) | (0 << 30) | (24 << 24) | (value&0xffffff);
1506 break;
1507
1508 case RF_WB_242:
1509 case RF_WB_242_1:/* 20060619.5 Add */
1510 ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse(value, 24);
1511 break;
1512 }
1513
1514 Wb35Reg_WriteSync(pHwData, 0x0864, ltmp);
1515 }
1516
1517 /* 20060717 modify as Bruce's mail */
1518 unsigned char adjust_TXVGA_for_iq_mag(struct hw_data *phw_data)
1519 {
1520 int init_txvga = 0;
1521 u32 reg_mode_ctrl;
1522 u32 val;
1523 s32 iqcal_tone_i0;
1524 s32 iqcal_tone_q0;
1525 u32 sqsum;
1526 s32 iq_mag_0_tx;
1527 u8 reg_state;
1528 int current_txvga;
1529
1530
1531 reg_state = 0;
1532 for (init_txvga = 0; init_txvga < 10; init_txvga++) {
1533 current_txvga = (0x24C40A|(init_txvga<<6));
1534 phy_set_rf_data(phw_data, 5, ((5<<24)|current_txvga));
1535 phw_data->txvga_setting_for_cal = current_txvga;
1536
1537 msleep(30);/* 20060612.1.a */
1538
1539 if (!hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &reg_mode_ctrl))/* 20060718.1 modify */
1540 return false;
1541
1542 PHY_DEBUG(("[CAL] MODE_CTRL (read) = 0x%08X\n", reg_mode_ctrl));
1543
1544 /*
1545 * a. Set iqcal_mode[1:0] to 0x2 and set "calib_start" to 0x1 to
1546 * enable "IQ alibration Mode II"
1547 */
1548 reg_mode_ctrl &= ~(MASK_IQCAL_TONE_SEL|MASK_IQCAL_MODE);
1549 reg_mode_ctrl &= ~MASK_IQCAL_MODE;
1550 reg_mode_ctrl |= (MASK_CALIB_START|0x02);
1551 reg_mode_ctrl |= (MASK_CALIB_START|0x02|2<<2);
1552 hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl);
1553 PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
1554
1555 udelay(1);/* 20060612.1.a */
1556
1557 udelay(300);/* 20060612.1.a */
1558
1559 /* b. */
1560 hw_get_dxx_reg(phw_data, REG_CALIB_READ1, &val);
1561
1562 PHY_DEBUG(("[CAL] CALIB_READ1 = 0x%08X\n", val));
1563 udelay(300);/* 20060612.1.a */
1564
1565 iqcal_tone_i0 = _s13_to_s32(val & 0x00001FFF);
1566 iqcal_tone_q0 = _s13_to_s32((val & 0x03FFE000) >> 13);
1567 PHY_DEBUG(("[CAL] ** iqcal_tone_i0=%d, iqcal_tone_q0=%d\n",
1568 iqcal_tone_i0, iqcal_tone_q0));
1569
1570 sqsum = iqcal_tone_i0*iqcal_tone_i0 + iqcal_tone_q0*iqcal_tone_q0;
1571 iq_mag_0_tx = (s32) _sqrt(sqsum);
1572 PHY_DEBUG(("[CAL] ** auto_adjust_txvga_for_iq_mag_0_tx=%d\n", iq_mag_0_tx));
1573
1574 if (iq_mag_0_tx >= 700 && iq_mag_0_tx <= 1750)
1575 break;
1576 else if (iq_mag_0_tx > 1750) {
1577 init_txvga = -2;
1578 continue;
1579 } else
1580 continue;
1581
1582 }
1583
1584 if (iq_mag_0_tx >= 700 && iq_mag_0_tx <= 1750)
1585 return true;
1586 else
1587 return false;
1588 }