xref: /freebsd/sys/contrib/dev/ath/ath_hal/ar9300/ar9300_eeprom.c (revision 8657387683946d0c03e09fe77029edfe309eeb20)
1 /*
2  * Copyright (c) 2013 Qualcomm Atheros, Inc.
3  *
4  * Permission to use, copy, modify, and/or distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
9  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
10  * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
11  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
12  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
13  * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
14  * PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #include "opt_ah.h"
18 
19 #include "ah.h"
20 #include "ah_internal.h"
21 #include "ah_devid.h"
22 #ifdef AH_DEBUG
23 #include "ah_desc.h"                    /* NB: for HAL_PHYERR* */
24 #endif
25 #include "ar9300/ar9300.h"
26 #include "ar9300/ar9300eep.h"
27 #include "ar9300/ar9300template_generic.h"
28 #include "ar9300/ar9300template_xb112.h"
29 #include "ar9300/ar9300template_hb116.h"
30 #include "ar9300/ar9300template_xb113.h"
31 #include "ar9300/ar9300template_hb112.h"
32 #include "ar9300/ar9300template_ap121.h"
33 #include "ar9300/ar9300template_osprey_k31.h"
34 #include "ar9300/ar9300template_wasp_2.h"
35 #include "ar9300/ar9300template_wasp_k31.h"
36 #include "ar9300/ar9300template_aphrodite.h"
37 #include "ar9300/ar9300reg.h"
38 #include "ar9300/ar9300phy.h"
39 
40 
41 
42 #if AH_BYTE_ORDER == AH_BIG_ENDIAN
43 void ar9300_swap_eeprom(ar9300_eeprom_t *eep);
44 void ar9300_eeprom_template_swap(void);
45 #endif
46 
47 static u_int16_t ar9300_eeprom_get_spur_chan(struct ath_hal *ah,
48     int spur_chan, HAL_BOOL is_2ghz);
49 #ifdef UNUSED
50 static inline HAL_BOOL ar9300_fill_eeprom(struct ath_hal *ah);
51 static inline HAL_STATUS ar9300_check_eeprom(struct ath_hal *ah);
52 #endif
53 
54 static ar9300_eeprom_t *default9300[] =
55 {
56     &ar9300_template_generic,
57     &ar9300_template_xb112,
58     &ar9300_template_hb116,
59     &ar9300_template_hb112,
60     &ar9300_template_xb113,
61     &ar9300_template_ap121,
62     &ar9300_template_wasp_2,
63     &ar9300_template_wasp_k31,
64     &ar9300_template_osprey_k31,
65     &ar9300_template_aphrodite,
66 };
67 
68 /*
69  * Different types of memory where the calibration data might be stored.
70  * All types are searched in ar9300_eeprom_restore()
71  * in the order flash, eeprom, otp.
72  * To disable searching a type, set its parameter to 0.
73  */
74 
75 /*
76  * This is where we look for the calibration data.
77  * must be set before ath_attach() is called
78  */
79 static int calibration_data_try = calibration_data_none;
80 static int calibration_data_try_address = 0;
81 
82 /*
83  * Set the type of memory used to store calibration data.
84  * Used by nart to force reading/writing of a specific type.
85  * The driver can normally allow autodetection
86  * by setting source to calibration_data_none=0.
87  */
88 void ar9300_calibration_data_set(struct ath_hal *ah, int32_t source)
89 {
90     if (ah != 0) {
91         AH9300(ah)->calibration_data_source = source;
92     } else {
93         calibration_data_try = source;
94     }
95 }
96 
97 int32_t ar9300_calibration_data_get(struct ath_hal *ah)
98 {
99     if (ah != 0) {
100         return AH9300(ah)->calibration_data_source;
101     } else {
102         return calibration_data_try;
103     }
104 }
105 
106 /*
107  * Set the address of first byte used to store calibration data.
108  * Used by nart to force reading/writing at a specific address.
109  * The driver can normally allow autodetection by setting size=0.
110  */
111 void ar9300_calibration_data_address_set(struct ath_hal *ah, int32_t size)
112 {
113     if (ah != 0) {
114         AH9300(ah)->calibration_data_source_address = size;
115     } else {
116         calibration_data_try_address = size;
117     }
118 }
119 
120 int32_t ar9300_calibration_data_address_get(struct ath_hal *ah)
121 {
122     if (ah != 0) {
123         return AH9300(ah)->calibration_data_source_address;
124     } else {
125         return calibration_data_try_address;
126     }
127 }
128 
129 /*
130  * This is the template that is loaded if ar9300_eeprom_restore()
131  * can't find valid data in the memory.
132  */
133 static int Ar9300_eeprom_template_preference = ar9300_eeprom_template_generic;
134 
135 void ar9300_eeprom_template_preference(int32_t value)
136 {
137     Ar9300_eeprom_template_preference = value;
138 }
139 
140 /*
141  * Install the specified default template.
142  * Overwrites any existing calibration and configuration information in memory.
143  */
144 int32_t ar9300_eeprom_template_install(struct ath_hal *ah, int32_t value)
145 {
146     struct ath_hal_9300 *ahp = AH9300(ah);
147     ar9300_eeprom_t *mptr, *dptr;
148     int mdata_size;
149 
150     mptr = &ahp->ah_eeprom;
151     mdata_size = ar9300_eeprom_struct_size();
152     if (mptr != 0) {
153 #if 0
154         calibration_data_source = calibration_data_none;
155         calibration_data_source_address = 0;
156 #endif
157         dptr = ar9300_eeprom_struct_default_find_by_id(value);
158         if (dptr != 0) {
159             OS_MEMCPY(mptr, dptr, mdata_size);
160             return 0;
161         }
162     }
163     return -1;
164 }
165 
166 static int
167 ar9300_eeprom_restore_something(struct ath_hal *ah, ar9300_eeprom_t *mptr,
168     int mdata_size)
169 {
170     int it;
171     ar9300_eeprom_t *dptr;
172     int nptr;
173 
174     nptr = -1;
175     /*
176      * if we didn't find any blocks in the memory,
177      * put the prefered template in place
178      */
179     if (nptr < 0) {
180         AH9300(ah)->calibration_data_source = calibration_data_none;
181         AH9300(ah)->calibration_data_source_address = 0;
182         dptr = ar9300_eeprom_struct_default_find_by_id(
183             Ar9300_eeprom_template_preference);
184         if (dptr != 0) {
185             OS_MEMCPY(mptr, dptr, mdata_size);
186             nptr = 0;
187         }
188     }
189     /*
190      * if we didn't find the prefered one,
191      * put the normal default template in place
192      */
193     if (nptr < 0) {
194         AH9300(ah)->calibration_data_source = calibration_data_none;
195         AH9300(ah)->calibration_data_source_address = 0;
196         dptr = ar9300_eeprom_struct_default_find_by_id(
197             ar9300_eeprom_template_default);
198         if (dptr != 0) {
199             OS_MEMCPY(mptr, dptr, mdata_size);
200             nptr = 0;
201         }
202     }
203     /*
204      * if we can't find the best template, put any old template in place
205      * presume that newer ones are better, so search backwards
206      */
207     if (nptr < 0) {
208         AH9300(ah)->calibration_data_source = calibration_data_none;
209         AH9300(ah)->calibration_data_source_address = 0;
210         for (it = ar9300_eeprom_struct_default_many() - 1; it >= 0; it--) {
211             dptr = ar9300_eeprom_struct_default(it);
212             if (dptr != 0) {
213                 OS_MEMCPY(mptr, dptr, mdata_size);
214                 nptr = 0;
215                 break;
216             }
217         }
218     }
219     return nptr;
220 }
221 
222 /*
223  * Read 16 bits of data from offset into *data
224  */
225 HAL_BOOL
226 ar9300_eeprom_read_word(struct ath_hal *ah, u_int off, u_int16_t *data)
227 {
228     if (AR_SREV_OSPREY(ah) || AR_SREV_POSEIDON(ah))
229     {
230         (void) OS_REG_READ(ah, AR9300_EEPROM_OFFSET + (off << AR9300_EEPROM_S));
231         if (!ath_hal_wait(ah,
232 			  AR_HOSTIF_REG(ah, AR_EEPROM_STATUS_DATA),
233 			  AR_EEPROM_STATUS_DATA_BUSY | AR_EEPROM_STATUS_DATA_PROT_ACCESS,
234 			  0))
235 	{
236             return AH_FALSE;
237 	}
238         *data = MS(OS_REG_READ(ah,
239 			       AR_HOSTIF_REG(ah, AR_EEPROM_STATUS_DATA)), AR_EEPROM_STATUS_DATA_VAL);
240        return AH_TRUE;
241     }
242     else
243     {
244         *data = 0;
245         return AH_FALSE;
246     }
247 }
248 
249 
250 HAL_BOOL
251 ar9300_otp_read(struct ath_hal *ah, u_int off, u_int32_t *data, HAL_BOOL is_wifi)
252 {
253     int time_out = 1000;
254     int status = 0;
255     u_int32_t addr;
256 
257     if (AR_SREV_HONEYBEE(ah)){ /* no OTP for Honeybee */
258         return false;
259     }
260     addr = (AR_SREV_WASP(ah) || AR_SREV_SCORPION(ah))?
261         OTP_MEM_START_ADDRESS_WASP : OTP_MEM_START_ADDRESS;
262 	if (!is_wifi) {
263         addr = BTOTP_MEM_START_ADDRESS;
264     }
265     addr += off * 4; /* OTP is 32 bit addressable */
266     (void) OS_REG_READ(ah, addr);
267 
268     addr = (AR_SREV_WASP(ah) || AR_SREV_SCORPION(ah)) ?
269         OTP_STATUS0_OTP_SM_BUSY_WASP : OTP_STATUS0_OTP_SM_BUSY;
270 	if (!is_wifi) {
271         addr = BTOTP_STATUS0_OTP_SM_BUSY;
272     }
273     while ((time_out > 0) && (!status)) { /* wait for access complete */
274         /* Read data valid, access not busy, sm not busy */
275         status = ((OS_REG_READ(ah, addr) & 0x7) == 0x4) ? 1 : 0;
276         time_out--;
277     }
278     if (time_out == 0) {
279         HALDEBUG(ah, HAL_DEBUG_EEPROM,
280             "%s: Timed out during OTP Status0 validation\n", __func__);
281         return AH_FALSE;
282     }
283 
284     addr = (AR_SREV_WASP(ah) || AR_SREV_SCORPION(ah)) ?
285         OTP_STATUS1_EFUSE_READ_DATA_WASP : OTP_STATUS1_EFUSE_READ_DATA;
286 	if (!is_wifi) {
287         addr = BTOTP_STATUS1_EFUSE_READ_DATA;
288     }
289     *data = OS_REG_READ(ah, addr);
290     return AH_TRUE;
291 }
292 
293 
294 
295 
296 static HAL_STATUS
297 ar9300_flash_map(struct ath_hal *ah)
298 {
299     /* XXX disable flash remapping for now (ie, SoC support) */
300     ath_hal_printf(ah, "%s: unimplemented for now\n", __func__);
301 #if 0
302     struct ath_hal_9300 *ahp = AH9300(ah);
303 #if defined(AR9100) || defined(__NetBSD__)
304     ahp->ah_cal_mem = OS_REMAP(ah, AR9300_EEPROM_START_ADDR, AR9300_EEPROM_MAX);
305 #else
306     ahp->ah_cal_mem = OS_REMAP((uintptr_t)(AH_PRIVATE(ah)->ah_st),
307         (AR9300_EEPROM_MAX + AR9300_FLASH_CAL_START_OFFSET));
308 #endif
309     if (!ahp->ah_cal_mem) {
310         HALDEBUG(ah, HAL_DEBUG_EEPROM,
311             "%s: cannot remap eeprom region \n", __func__);
312         return HAL_EIO;
313     }
314 #endif
315     return HAL_OK;
316 }
317 
318 HAL_BOOL
319 ar9300_flash_read(struct ath_hal *ah, u_int off, u_int16_t *data)
320 {
321     struct ath_hal_9300 *ahp = AH9300(ah);
322 
323     *data = ((u_int16_t *)ahp->ah_cal_mem)[off];
324     return AH_TRUE;
325 }
326 
327 HAL_BOOL
328 ar9300_flash_write(struct ath_hal *ah, u_int off, u_int16_t data)
329 {
330     struct ath_hal_9300 *ahp = AH9300(ah);
331 
332     ((u_int16_t *)ahp->ah_cal_mem)[off] = data;
333     return AH_TRUE;
334 }
335 
336 HAL_STATUS
337 ar9300_eeprom_attach(struct ath_hal *ah)
338 {
339     struct ath_hal_9300 *ahp = AH9300(ah);
340     ahp->try_dram = 1;
341     ahp->try_eeprom = 1;
342     ahp->try_otp = 1;
343 #ifdef ATH_CAL_NAND_FLASH
344     ahp->try_nand = 1;
345 #else
346     ahp->try_flash = 1;
347 #endif
348     ahp->calibration_data_source = calibration_data_none;
349     ahp->calibration_data_source_address = 0;
350     ahp->calibration_data_try = calibration_data_try;
351     ahp->calibration_data_try_address = 0;
352 
353     /*
354      * In case flash will be used for EEPROM. Otherwise ahp->ah_cal_mem
355      * must be set to NULL or the real EEPROM address.
356      */
357     ar9300_flash_map(ah);
358     /*
359      * ###### This function always return NO SPUR.
360      * This is not true for many board designs.
361      * Does anyone use this?
362      */
363     AH_PRIVATE(ah)->ah_getSpurChan = ar9300_eeprom_get_spur_chan;
364 
365 #ifdef OLDCODE
366     /* XXX Needs to be moved for dynamic selection */
367     ahp->ah_eeprom = *(default9300[ar9300_eeprom_template_default]);
368 
369 
370     if (AR_SREV_HORNET(ah)) {
371         /* Set default values for Hornet. */
372         ahp->ah_eeprom.base_eep_header.op_cap_flags.op_flags =
373             AR9300_OPFLAGS_11G;
374         ahp->ah_eeprom.base_eep_header.txrx_mask = 0x11;
375     } else if (AR_SREV_POSEIDON(ah)) {
376         /* Set default values for Poseidon. */
377         ahp->ah_eeprom.base_eep_header.op_cap_flags.op_flags =
378             AR9300_OPFLAGS_11G;
379         ahp->ah_eeprom.base_eep_header.txrx_mask = 0x11;
380     }
381 
382     if (AH_PRIVATE(ah)->ah_config.ath_hal_skip_eeprom_read) {
383         ahp->ah_emu_eeprom = 1;
384         return HAL_OK;
385     }
386 
387     ahp->ah_emu_eeprom = 1;
388 
389 #ifdef UNUSED
390 #endif
391 
392     if (!ar9300_fill_eeprom(ah)) {
393         return HAL_EIO;
394     }
395 
396     return HAL_OK;
397     /* return ar9300_check_eeprom(ah); */
398 #else
399     ahp->ah_emu_eeprom = 1;
400 
401 #if 0
402 /*#ifdef MDK_AP*/ /* MDK_AP is defined only in NART AP build */
403     u_int8_t buffer[10];
404     int caldata_check = 0;
405 
406     ar9300_calibration_data_read_flash(
407         ah, FLASH_BASE_CALDATA_OFFSET, buffer, 4);
408     printf("flash caldata:: %x\n", buffer[0]);
409     if (buffer[0] != 0xff) {
410         caldata_check = 1;
411     }
412     if (!caldata_check) {
413         ar9300_eeprom_t *mptr;
414         int mdata_size;
415         if (AR_SREV_HORNET(ah)) {
416             /* XXX: For initial testing */
417             mptr = &ahp->ah_eeprom;
418             mdata_size = ar9300_eeprom_struct_size();
419             ahp->ah_eeprom = ar9300_template_ap121;
420             ahp->ah_emu_eeprom = 1;
421             /* need it to let art save in to flash ????? */
422             calibration_data_source = calibration_data_flash;
423         } else if (AR_SREV_WASP(ah)) {
424             /* XXX: For initial testing */
425             ath_hal_printf(ah, " wasp eep attach\n");
426             mptr = &ahp->ah_eeprom;
427             mdata_size = ar9300_eeprom_struct_size();
428             ahp->ah_eeprom = ar9300_template_generic;
429             ahp->ah_eeprom.mac_addr[0] = 0x00;
430             ahp->ah_eeprom.mac_addr[1] = 0x03;
431             ahp->ah_eeprom.mac_addr[2] = 0x7F;
432             ahp->ah_eeprom.mac_addr[3] = 0xBA;
433             ahp->ah_eeprom.mac_addr[4] = 0xD0;
434             ahp->ah_eeprom.mac_addr[5] = 0x00;
435             ahp->ah_emu_eeprom = 1;
436             ahp->ah_eeprom.base_eep_header.txrx_mask = 0x33;
437             ahp->ah_eeprom.base_eep_header.txrxgain = 0x10;
438             /* need it to let art save in to flash ????? */
439             calibration_data_source = calibration_data_flash;
440         }
441         return HAL_OK;
442     }
443 #endif
444     if (AR_SREV_HORNET(ah) || AR_SREV_WASP(ah) || AR_SREV_SCORPION(ah)
445         || AR_SREV_HONEYBEE(ah)) {
446         ahp->try_eeprom = 0;
447     }
448 
449     if (AR_SREV_HONEYBEE(ah)) {
450         ahp->try_otp = 0;
451     }
452 
453     if (!ar9300_eeprom_restore(ah)) {
454         return HAL_EIO;
455     }
456     return HAL_OK;
457 #endif
458 }
459 
460 u_int32_t
461 ar9300_eeprom_get(struct ath_hal_9300 *ahp, EEPROM_PARAM param)
462 {
463     ar9300_eeprom_t *eep = &ahp->ah_eeprom;
464     OSPREY_BASE_EEP_HEADER *p_base = &eep->base_eep_header;
465     OSPREY_BASE_EXTENSION_1 *base_ext1 = &eep->base_ext1;
466 
467     switch (param) {
468 #ifdef NOTYET
469     case EEP_NFTHRESH_5:
470         return p_modal[0].noise_floor_thresh_ch[0];
471     case EEP_NFTHRESH_2:
472         return p_modal[1].noise_floor_thresh_ch[0];
473 #endif
474     case EEP_MAC_LSW:
475         return eep->mac_addr[0] << 8 | eep->mac_addr[1];
476     case EEP_MAC_MID:
477         return eep->mac_addr[2] << 8 | eep->mac_addr[3];
478     case EEP_MAC_MSW:
479         return eep->mac_addr[4] << 8 | eep->mac_addr[5];
480     case EEP_REG_0:
481         return p_base->reg_dmn[0];
482     case EEP_REG_1:
483         return p_base->reg_dmn[1];
484     case EEP_OP_CAP:
485         return p_base->device_cap;
486     case EEP_OP_MODE:
487         return p_base->op_cap_flags.op_flags;
488     case EEP_RF_SILENT:
489         return p_base->rf_silent;
490 #ifdef NOTYET
491     case EEP_OB_5:
492         return p_modal[0].ob;
493     case EEP_DB_5:
494         return p_modal[0].db;
495     case EEP_OB_2:
496         return p_modal[1].ob;
497     case EEP_DB_2:
498         return p_modal[1].db;
499     case EEP_MINOR_REV:
500         return p_base->eeprom_version & AR9300_EEP_VER_MINOR_MASK;
501 #endif
502     case EEP_TX_MASK:
503         return (p_base->txrx_mask >> 4) & 0xf;
504     case EEP_RX_MASK:
505         return p_base->txrx_mask & 0xf;
506 #ifdef NOTYET
507     case EEP_FSTCLK_5G:
508         return p_base->fast_clk5g;
509     case EEP_RXGAIN_TYPE:
510         return p_base->rx_gain_type;
511 #endif
512     case EEP_DRIVE_STRENGTH:
513 #define AR9300_EEP_BASE_DRIVE_STRENGTH    0x1
514         return p_base->misc_configuration & AR9300_EEP_BASE_DRIVE_STRENGTH;
515     case EEP_INTERNAL_REGULATOR:
516         /* Bit 4 is internal regulator flag */
517         return ((p_base->feature_enable & 0x10) >> 4);
518     case EEP_SWREG:
519         return (p_base->swreg);
520     case EEP_PAPRD_ENABLED:
521         /* Bit 5 is paprd flag */
522         return ((p_base->feature_enable & 0x20) >> 5);
523     case EEP_ANTDIV_control:
524         return (u_int32_t)(base_ext1->ant_div_control);
525     case EEP_CHAIN_MASK_REDUCE:
526         return ((p_base->misc_configuration >> 3) & 0x1);
527     case EEP_OL_PWRCTRL:
528         return 0;
529      case EEP_DEV_TYPE:
530         return p_base->device_type;
531     default:
532         HALASSERT(0);
533         return 0;
534     }
535 }
536 
537 
538 
539 /******************************************************************************/
540 /*!
541 **  \brief EEPROM fixup code for INI values
542 **
543 ** This routine provides a place to insert "fixup" code for specific devices
544 ** that need to modify INI values based on EEPROM values, BEFORE the INI values
545 ** are written.
546 ** Certain registers in the INI file can only be written once without
547 ** undesired side effects, and this provides a place for EEPROM overrides
548 ** in these cases.
549 **
550 ** This is called at attach time once.  It should not affect run time
551 ** performance at all
552 **
553 **  \param ah       Pointer to HAL object (this)
554 **  \param p_eep_data Pointer to (filled in) eeprom data structure
555 **  \param reg      register being inspected on this call
556 **  \param value    value in INI file
557 **
558 **  \return Updated value for INI file.
559 */
560 u_int32_t
561 ar9300_ini_fixup(struct ath_hal *ah, ar9300_eeprom_t *p_eep_data,
562     u_int32_t reg, u_int32_t value)
563 {
564     HALDEBUG(AH_NULL, HAL_DEBUG_UNMASKABLE,
565         "ar9300_eeprom_def_ini_fixup: FIXME\n");
566 #if 0
567     BASE_EEPDEF_HEADER  *p_base  = &(p_eep_data->base_eep_header);
568 
569     switch (AH_PRIVATE(ah)->ah_devid)
570     {
571     case AR9300_DEVID_AR9300_PCI:
572         /*
573         ** Need to set the external/internal regulator bit to the proper value.
574         ** Can only write this ONCE.
575         */
576 
577         if ( reg == 0x7894 )
578         {
579             /*
580             ** Check for an EEPROM data structure of "0x0b" or better
581             */
582 
583             HALDEBUG(ah, HAL_DEBUG_EEPROM, "ini VAL: %x  EEPROM: %x\n",
584                      value, (p_base->version & 0xff));
585 
586             if ( (p_base->version & 0xff) > 0x0a) {
587                 HALDEBUG(ah, HAL_DEBUG_EEPROM,
588                     "PWDCLKIND: %d\n", p_base->pwdclkind);
589                 value &= ~AR_AN_TOP2_PWDCLKIND;
590                 value |=
591                     AR_AN_TOP2_PWDCLKIND &
592                     (p_base->pwdclkind <<  AR_AN_TOP2_PWDCLKIND_S);
593             } else {
594                 HALDEBUG(ah, HAL_DEBUG_EEPROM, "PWDCLKIND Earlier Rev\n");
595             }
596 
597             HALDEBUG(ah, HAL_DEBUG_EEPROM, "final ini VAL: %x\n", value);
598         }
599         break;
600 
601     }
602 
603     return (value);
604 #else
605     return 0;
606 #endif
607 }
608 
609 /*
610  * Returns the interpolated y value corresponding to the specified x value
611  * from the np ordered pairs of data (px,py).
612  * The pairs do not have to be in any order.
613  * If the specified x value is less than any of the px,
614  * the returned y value is equal to the py for the lowest px.
615  * If the specified x value is greater than any of the px,
616  * the returned y value is equal to the py for the highest px.
617  */
618 static int
619 interpolate(int32_t x, int32_t *px, int32_t *py, u_int16_t np)
620 {
621     int ip = 0;
622     int lx = 0, ly = 0, lhave = 0;
623     int hx = 0, hy = 0, hhave = 0;
624     int dx = 0;
625     int y = 0;
626     int bf, factor, plus;
627 
628     lhave = 0;
629     hhave = 0;
630     /*
631      * identify best lower and higher x calibration measurement
632      */
633     for (ip = 0; ip < np; ip++) {
634         dx = x - px[ip];
635         /* this measurement is higher than our desired x */
636         if (dx <= 0) {
637             if (!hhave || dx > (x - hx)) {
638                 /* new best higher x measurement */
639                 hx = px[ip];
640                 hy = py[ip];
641                 hhave = 1;
642             }
643         }
644         /* this measurement is lower than our desired x */
645         if (dx >= 0) {
646             if (!lhave || dx < (x - lx)) {
647                 /* new best lower x measurement */
648                 lx = px[ip];
649                 ly = py[ip];
650                 lhave = 1;
651             }
652         }
653     }
654     /* the low x is good */
655     if (lhave) {
656         /* so is the high x */
657         if (hhave) {
658             /* they're the same, so just pick one */
659             if (hx == lx) {
660                 y = ly;
661             } else {
662                 /* interpolate with round off */
663                 bf = (2 * (hy - ly) * (x - lx)) / (hx - lx);
664                 plus = (bf % 2);
665                 factor = bf / 2;
666                 y = ly + factor + plus;
667             }
668         } else {
669             /* only low is good, use it */
670             y = ly;
671         }
672     } else if (hhave) {
673         /* only high is good, use it */
674         y = hy;
675     } else {
676         /* nothing is good,this should never happen unless np=0, ????  */
677         y = -(1 << 30);
678     }
679 
680     return y;
681 }
682 
683 u_int8_t
684 ar9300_eeprom_get_legacy_trgt_pwr(struct ath_hal *ah, u_int16_t rate_index,
685     u_int16_t freq, HAL_BOOL is_2ghz)
686 {
687     u_int16_t            num_piers, i;
688     int32_t              target_power_array[OSPREY_NUM_5G_20_TARGET_POWERS];
689     int32_t              freq_array[OSPREY_NUM_5G_20_TARGET_POWERS];
690     u_int8_t             *p_freq_bin;
691     ar9300_eeprom_t      *eep = &AH9300(ah)->ah_eeprom;
692     CAL_TARGET_POWER_LEG *p_eeprom_target_pwr;
693 
694     if (is_2ghz) {
695         num_piers = OSPREY_NUM_2G_20_TARGET_POWERS;
696         p_eeprom_target_pwr = eep->cal_target_power_2g;
697         p_freq_bin = eep->cal_target_freqbin_2g;
698     } else {
699         num_piers = OSPREY_NUM_5G_20_TARGET_POWERS;
700         p_eeprom_target_pwr = eep->cal_target_power_5g;
701         p_freq_bin = eep->cal_target_freqbin_5g;
702    }
703 
704     /*
705      * create array of channels and targetpower from
706      * targetpower piers stored on eeprom
707      */
708     for (i = 0; i < num_piers; i++) {
709         freq_array[i] = FBIN2FREQ(p_freq_bin[i], is_2ghz);
710         target_power_array[i] = p_eeprom_target_pwr[i].t_pow2x[rate_index];
711     }
712 
713     /* interpolate to get target power for given frequency */
714     return
715         ((u_int8_t)interpolate(
716             (int32_t)freq, freq_array, target_power_array, num_piers));
717 }
718 
719 u_int8_t
720 ar9300_eeprom_get_ht20_trgt_pwr(struct ath_hal *ah, u_int16_t rate_index,
721     u_int16_t freq, HAL_BOOL is_2ghz)
722 {
723     u_int16_t               num_piers, i;
724     int32_t                 target_power_array[OSPREY_NUM_5G_20_TARGET_POWERS];
725     int32_t                 freq_array[OSPREY_NUM_5G_20_TARGET_POWERS];
726     u_int8_t                *p_freq_bin;
727     ar9300_eeprom_t         *eep = &AH9300(ah)->ah_eeprom;
728     OSP_CAL_TARGET_POWER_HT *p_eeprom_target_pwr;
729 
730     if (is_2ghz) {
731         num_piers = OSPREY_NUM_2G_20_TARGET_POWERS;
732         p_eeprom_target_pwr = eep->cal_target_power_2g_ht20;
733         p_freq_bin = eep->cal_target_freqbin_2g_ht20;
734     } else {
735         num_piers = OSPREY_NUM_5G_20_TARGET_POWERS;
736         p_eeprom_target_pwr = eep->cal_target_power_5g_ht20;
737         p_freq_bin = eep->cal_target_freqbin_5g_ht20;
738     }
739 
740     /*
741      * create array of channels and targetpower from
742      * targetpower piers stored on eeprom
743      */
744     for (i = 0; i < num_piers; i++) {
745         freq_array[i] = FBIN2FREQ(p_freq_bin[i], is_2ghz);
746         target_power_array[i] = p_eeprom_target_pwr[i].t_pow2x[rate_index];
747     }
748 
749     /* interpolate to get target power for given frequency */
750     return
751         ((u_int8_t)interpolate(
752             (int32_t)freq, freq_array, target_power_array, num_piers));
753 }
754 
755 u_int8_t
756 ar9300_eeprom_get_ht40_trgt_pwr(struct ath_hal *ah, u_int16_t rate_index,
757     u_int16_t freq, HAL_BOOL is_2ghz)
758 {
759     u_int16_t               num_piers, i;
760     int32_t                 target_power_array[OSPREY_NUM_5G_40_TARGET_POWERS];
761     int32_t                 freq_array[OSPREY_NUM_5G_40_TARGET_POWERS];
762     u_int8_t                *p_freq_bin;
763     ar9300_eeprom_t         *eep = &AH9300(ah)->ah_eeprom;
764     OSP_CAL_TARGET_POWER_HT *p_eeprom_target_pwr;
765 
766     if (is_2ghz) {
767         num_piers = OSPREY_NUM_2G_40_TARGET_POWERS;
768         p_eeprom_target_pwr = eep->cal_target_power_2g_ht40;
769         p_freq_bin = eep->cal_target_freqbin_2g_ht40;
770     } else {
771         num_piers = OSPREY_NUM_5G_40_TARGET_POWERS;
772         p_eeprom_target_pwr = eep->cal_target_power_5g_ht40;
773         p_freq_bin = eep->cal_target_freqbin_5g_ht40;
774     }
775 
776     /*
777      * create array of channels and targetpower from
778      * targetpower piers stored on eeprom
779      */
780     for (i = 0; i < num_piers; i++) {
781         freq_array[i] = FBIN2FREQ(p_freq_bin[i], is_2ghz);
782         target_power_array[i] = p_eeprom_target_pwr[i].t_pow2x[rate_index];
783     }
784 
785     /* interpolate to get target power for given frequency */
786     return
787         ((u_int8_t)interpolate(
788             (int32_t)freq, freq_array, target_power_array, num_piers));
789 }
790 
791 u_int8_t
792 ar9300_eeprom_get_cck_trgt_pwr(struct ath_hal *ah, u_int16_t rate_index,
793     u_int16_t freq)
794 {
795     u_int16_t            num_piers = OSPREY_NUM_2G_CCK_TARGET_POWERS, i;
796     int32_t              target_power_array[OSPREY_NUM_2G_CCK_TARGET_POWERS];
797     int32_t              freq_array[OSPREY_NUM_2G_CCK_TARGET_POWERS];
798     ar9300_eeprom_t      *eep = &AH9300(ah)->ah_eeprom;
799     u_int8_t             *p_freq_bin = eep->cal_target_freqbin_cck;
800     CAL_TARGET_POWER_LEG *p_eeprom_target_pwr = eep->cal_target_power_cck;
801 
802     /*
803      * create array of channels and targetpower from
804      * targetpower piers stored on eeprom
805      */
806     for (i = 0; i < num_piers; i++) {
807         freq_array[i] = FBIN2FREQ(p_freq_bin[i], 1);
808         target_power_array[i] = p_eeprom_target_pwr[i].t_pow2x[rate_index];
809     }
810 
811     /* interpolate to get target power for given frequency */
812     return
813         ((u_int8_t)interpolate(
814             (int32_t)freq, freq_array, target_power_array, num_piers));
815 }
816 
817 /*
818  * Set tx power registers to array of values passed in
819  */
820 int
821 ar9300_transmit_power_reg_write(struct ath_hal *ah, u_int8_t *p_pwr_array)
822 {
823 #define POW_SM(_r, _s)     (((_r) & 0x3f) << (_s))
824     /* make sure forced gain is not set */
825 #if 0
826     field_write("force_dac_gain", 0);
827     OS_REG_WRITE(ah, 0xa3f8, 0);
828     field_write("force_tx_gain", 0);
829 #endif
830 
831     OS_REG_WRITE(ah, 0xa458, 0);
832 
833     /* Write the OFDM power per rate set */
834     /* 6 (LSB), 9, 12, 18 (MSB) */
835     OS_REG_WRITE(ah, 0xa3c0,
836         POW_SM(p_pwr_array[ALL_TARGET_LEGACY_6_24], 24)
837           | POW_SM(p_pwr_array[ALL_TARGET_LEGACY_6_24], 16)
838           | POW_SM(p_pwr_array[ALL_TARGET_LEGACY_6_24],  8)
839           | POW_SM(p_pwr_array[ALL_TARGET_LEGACY_6_24],  0)
840     );
841     /* 24 (LSB), 36, 48, 54 (MSB) */
842     OS_REG_WRITE(ah, 0xa3c4,
843         POW_SM(p_pwr_array[ALL_TARGET_LEGACY_54], 24)
844           | POW_SM(p_pwr_array[ALL_TARGET_LEGACY_48], 16)
845           | POW_SM(p_pwr_array[ALL_TARGET_LEGACY_36],  8)
846           | POW_SM(p_pwr_array[ALL_TARGET_LEGACY_6_24],  0)
847     );
848 
849     /* Write the CCK power per rate set */
850     /* 1L (LSB), reserved, 2L, 2S (MSB) */
851     OS_REG_WRITE(ah, 0xa3c8,
852         POW_SM(p_pwr_array[ALL_TARGET_LEGACY_1L_5L], 24)
853           | POW_SM(p_pwr_array[ALL_TARGET_LEGACY_1L_5L],  16)
854 /*          | POW_SM(tx_power_times2,  8)*/ /* this is reserved for Osprey */
855           | POW_SM(p_pwr_array[ALL_TARGET_LEGACY_1L_5L],   0)
856     );
857     /* 5.5L (LSB), 5.5S, 11L, 11S (MSB) */
858     OS_REG_WRITE(ah, 0xa3cc,
859         POW_SM(p_pwr_array[ALL_TARGET_LEGACY_11S], 24)
860           | POW_SM(p_pwr_array[ALL_TARGET_LEGACY_11L], 16)
861           | POW_SM(p_pwr_array[ALL_TARGET_LEGACY_5S],  8)
862           | POW_SM(p_pwr_array[ALL_TARGET_LEGACY_1L_5L],  0)
863     );
864 
865 	/* write the power for duplicated frames - HT40 */
866 	/* dup40_cck (LSB), dup40_ofdm, ext20_cck, ext20_ofdm  (MSB) */
867     OS_REG_WRITE(ah, 0xa3e0,
868         POW_SM(p_pwr_array[ALL_TARGET_LEGACY_6_24], 24)
869           | POW_SM(p_pwr_array[ALL_TARGET_LEGACY_1L_5L], 16)
870           | POW_SM(p_pwr_array[ALL_TARGET_LEGACY_6_24],  8)
871           | POW_SM(p_pwr_array[ALL_TARGET_LEGACY_1L_5L],  0)
872     );
873 
874     /* Write the HT20 power per rate set */
875     /* 0/8/16 (LSB), 1-3/9-11/17-19, 4, 5 (MSB) */
876     OS_REG_WRITE(ah, 0xa3d0,
877         POW_SM(p_pwr_array[ALL_TARGET_HT20_5], 24)
878           | POW_SM(p_pwr_array[ALL_TARGET_HT20_4],  16)
879           | POW_SM(p_pwr_array[ALL_TARGET_HT20_1_3_9_11_17_19],  8)
880           | POW_SM(p_pwr_array[ALL_TARGET_HT20_0_8_16],   0)
881     );
882 
883     /* 6 (LSB), 7, 12, 13 (MSB) */
884     OS_REG_WRITE(ah, 0xa3d4,
885         POW_SM(p_pwr_array[ALL_TARGET_HT20_13], 24)
886           | POW_SM(p_pwr_array[ALL_TARGET_HT20_12],  16)
887           | POW_SM(p_pwr_array[ALL_TARGET_HT20_7],  8)
888           | POW_SM(p_pwr_array[ALL_TARGET_HT20_6],   0)
889     );
890 
891     /* 14 (LSB), 15, 20, 21 */
892     OS_REG_WRITE(ah, 0xa3e4,
893         POW_SM(p_pwr_array[ALL_TARGET_HT20_21], 24)
894           | POW_SM(p_pwr_array[ALL_TARGET_HT20_20],  16)
895           | POW_SM(p_pwr_array[ALL_TARGET_HT20_15],  8)
896           | POW_SM(p_pwr_array[ALL_TARGET_HT20_14],   0)
897     );
898 
899     /* Mixed HT20 and HT40 rates */
900     /* HT20 22 (LSB), HT20 23, HT40 22, HT40 23 (MSB) */
901     OS_REG_WRITE(ah, 0xa3e8,
902         POW_SM(p_pwr_array[ALL_TARGET_HT40_23], 24)
903           | POW_SM(p_pwr_array[ALL_TARGET_HT40_22],  16)
904           | POW_SM(p_pwr_array[ALL_TARGET_HT20_23],  8)
905           | POW_SM(p_pwr_array[ALL_TARGET_HT20_22],   0)
906     );
907 
908     /* Write the HT40 power per rate set */
909     /* correct PAR difference between HT40 and HT20/LEGACY */
910     /* 0/8/16 (LSB), 1-3/9-11/17-19, 4, 5 (MSB) */
911     OS_REG_WRITE(ah, 0xa3d8,
912         POW_SM(p_pwr_array[ALL_TARGET_HT40_5], 24)
913           | POW_SM(p_pwr_array[ALL_TARGET_HT40_4],  16)
914           | POW_SM(p_pwr_array[ALL_TARGET_HT40_1_3_9_11_17_19],  8)
915           | POW_SM(p_pwr_array[ALL_TARGET_HT40_0_8_16],   0)
916     );
917 
918     /* 6 (LSB), 7, 12, 13 (MSB) */
919     OS_REG_WRITE(ah, 0xa3dc,
920         POW_SM(p_pwr_array[ALL_TARGET_HT40_13], 24)
921           | POW_SM(p_pwr_array[ALL_TARGET_HT40_12],  16)
922           | POW_SM(p_pwr_array[ALL_TARGET_HT40_7], 8)
923           | POW_SM(p_pwr_array[ALL_TARGET_HT40_6], 0)
924     );
925 
926     /* 14 (LSB), 15, 20, 21 */
927     OS_REG_WRITE(ah, 0xa3ec,
928         POW_SM(p_pwr_array[ALL_TARGET_HT40_21], 24)
929           | POW_SM(p_pwr_array[ALL_TARGET_HT40_20],  16)
930           | POW_SM(p_pwr_array[ALL_TARGET_HT40_15],  8)
931           | POW_SM(p_pwr_array[ALL_TARGET_HT40_14],   0)
932     );
933 
934     return 0;
935 #undef POW_SM
936 }
937 
938 static void
939 ar9300_selfgen_tpc_reg_write(struct ath_hal *ah, const struct ieee80211_channel *chan,
940                              u_int8_t *p_pwr_array)
941 {
942     u_int32_t tpc_reg_val;
943 
944     /* Set the target power values for self generated frames (ACK,RTS/CTS) to
945      * be within limits. This is just a safety measure.With per packet TPC mode
946      * enabled the target power value used with self generated frames will be
947      * MIN( TPC reg, BB_powertx_rate register)
948      */
949 
950     if (IEEE80211_IS_CHAN_2GHZ(chan)) {
951         tpc_reg_val = (SM(p_pwr_array[ALL_TARGET_LEGACY_1L_5L], AR_TPC_ACK) |
952                        SM(p_pwr_array[ALL_TARGET_LEGACY_1L_5L], AR_TPC_CTS) |
953                        SM(0x3f, AR_TPC_CHIRP) |
954                        SM(0x3f, AR_TPC_RPT));
955     } else {
956         tpc_reg_val = (SM(p_pwr_array[ALL_TARGET_LEGACY_6_24], AR_TPC_ACK) |
957                        SM(p_pwr_array[ALL_TARGET_LEGACY_6_24], AR_TPC_CTS) |
958                        SM(0x3f, AR_TPC_CHIRP) |
959                        SM(0x3f, AR_TPC_RPT));
960     }
961     OS_REG_WRITE(ah, AR_TPC, tpc_reg_val);
962 }
963 
964 void
965 ar9300_set_target_power_from_eeprom(struct ath_hal *ah, u_int16_t freq,
966     u_int8_t *target_power_val_t2)
967 {
968     /* hard code for now, need to get from eeprom struct */
969     u_int8_t ht40_power_inc_for_pdadc = 0;
970     HAL_BOOL  is_2ghz = 0;
971 
972     if (freq < 4000) {
973         is_2ghz = 1;
974     }
975 
976     target_power_val_t2[ALL_TARGET_LEGACY_6_24] =
977         ar9300_eeprom_get_legacy_trgt_pwr(
978             ah, LEGACY_TARGET_RATE_6_24, freq, is_2ghz);
979     target_power_val_t2[ALL_TARGET_LEGACY_36] =
980         ar9300_eeprom_get_legacy_trgt_pwr(
981             ah, LEGACY_TARGET_RATE_36, freq, is_2ghz);
982     target_power_val_t2[ALL_TARGET_LEGACY_48] =
983         ar9300_eeprom_get_legacy_trgt_pwr(
984             ah, LEGACY_TARGET_RATE_48, freq, is_2ghz);
985     target_power_val_t2[ALL_TARGET_LEGACY_54] =
986         ar9300_eeprom_get_legacy_trgt_pwr(
987             ah, LEGACY_TARGET_RATE_54, freq, is_2ghz);
988     target_power_val_t2[ALL_TARGET_LEGACY_1L_5L] =
989         ar9300_eeprom_get_cck_trgt_pwr(
990             ah, LEGACY_TARGET_RATE_1L_5L, freq);
991     target_power_val_t2[ALL_TARGET_LEGACY_5S] =
992         ar9300_eeprom_get_cck_trgt_pwr(
993             ah, LEGACY_TARGET_RATE_5S, freq);
994     target_power_val_t2[ALL_TARGET_LEGACY_11L] =
995         ar9300_eeprom_get_cck_trgt_pwr(
996             ah, LEGACY_TARGET_RATE_11L, freq);
997     target_power_val_t2[ALL_TARGET_LEGACY_11S] =
998         ar9300_eeprom_get_cck_trgt_pwr(
999             ah, LEGACY_TARGET_RATE_11S, freq);
1000     target_power_val_t2[ALL_TARGET_HT20_0_8_16] =
1001         ar9300_eeprom_get_ht20_trgt_pwr(
1002             ah, HT_TARGET_RATE_0_8_16, freq, is_2ghz);
1003     target_power_val_t2[ALL_TARGET_HT20_1_3_9_11_17_19] =
1004         ar9300_eeprom_get_ht20_trgt_pwr(
1005             ah, HT_TARGET_RATE_1_3_9_11_17_19, freq, is_2ghz);
1006     target_power_val_t2[ALL_TARGET_HT20_4] =
1007         ar9300_eeprom_get_ht20_trgt_pwr(
1008             ah, HT_TARGET_RATE_4, freq, is_2ghz);
1009     target_power_val_t2[ALL_TARGET_HT20_5] =
1010         ar9300_eeprom_get_ht20_trgt_pwr(
1011             ah, HT_TARGET_RATE_5, freq, is_2ghz);
1012     target_power_val_t2[ALL_TARGET_HT20_6] =
1013         ar9300_eeprom_get_ht20_trgt_pwr(
1014             ah, HT_TARGET_RATE_6, freq, is_2ghz);
1015     target_power_val_t2[ALL_TARGET_HT20_7] =
1016         ar9300_eeprom_get_ht20_trgt_pwr(
1017             ah, HT_TARGET_RATE_7, freq, is_2ghz);
1018     target_power_val_t2[ALL_TARGET_HT20_12] =
1019         ar9300_eeprom_get_ht20_trgt_pwr(
1020             ah, HT_TARGET_RATE_12, freq, is_2ghz);
1021     target_power_val_t2[ALL_TARGET_HT20_13] =
1022         ar9300_eeprom_get_ht20_trgt_pwr(
1023             ah, HT_TARGET_RATE_13, freq, is_2ghz);
1024     target_power_val_t2[ALL_TARGET_HT20_14] =
1025         ar9300_eeprom_get_ht20_trgt_pwr(
1026             ah, HT_TARGET_RATE_14, freq, is_2ghz);
1027     target_power_val_t2[ALL_TARGET_HT20_15] =
1028         ar9300_eeprom_get_ht20_trgt_pwr(
1029             ah, HT_TARGET_RATE_15, freq, is_2ghz);
1030     target_power_val_t2[ALL_TARGET_HT20_20] =
1031         ar9300_eeprom_get_ht20_trgt_pwr(
1032             ah, HT_TARGET_RATE_20, freq, is_2ghz);
1033     target_power_val_t2[ALL_TARGET_HT20_21] =
1034         ar9300_eeprom_get_ht20_trgt_pwr(
1035             ah, HT_TARGET_RATE_21, freq, is_2ghz);
1036     target_power_val_t2[ALL_TARGET_HT20_22] =
1037         ar9300_eeprom_get_ht20_trgt_pwr(
1038             ah, HT_TARGET_RATE_22, freq, is_2ghz);
1039     target_power_val_t2[ALL_TARGET_HT20_23] =
1040         ar9300_eeprom_get_ht20_trgt_pwr(
1041             ah, HT_TARGET_RATE_23, freq, is_2ghz);
1042     target_power_val_t2[ALL_TARGET_HT40_0_8_16] =
1043         ar9300_eeprom_get_ht40_trgt_pwr(
1044             ah, HT_TARGET_RATE_0_8_16, freq, is_2ghz) +
1045         ht40_power_inc_for_pdadc;
1046     target_power_val_t2[ALL_TARGET_HT40_1_3_9_11_17_19] =
1047         ar9300_eeprom_get_ht40_trgt_pwr(
1048             ah, HT_TARGET_RATE_1_3_9_11_17_19, freq, is_2ghz) +
1049         ht40_power_inc_for_pdadc;
1050     target_power_val_t2[ALL_TARGET_HT40_4] =
1051         ar9300_eeprom_get_ht40_trgt_pwr(
1052             ah, HT_TARGET_RATE_4, freq, is_2ghz) + ht40_power_inc_for_pdadc;
1053     target_power_val_t2[ALL_TARGET_HT40_5] =
1054         ar9300_eeprom_get_ht40_trgt_pwr(
1055             ah, HT_TARGET_RATE_5, freq, is_2ghz) + ht40_power_inc_for_pdadc;
1056     target_power_val_t2[ALL_TARGET_HT40_6] =
1057         ar9300_eeprom_get_ht40_trgt_pwr(
1058             ah, HT_TARGET_RATE_6, freq, is_2ghz) + ht40_power_inc_for_pdadc;
1059     target_power_val_t2[ALL_TARGET_HT40_7] =
1060         ar9300_eeprom_get_ht40_trgt_pwr(
1061             ah, HT_TARGET_RATE_7, freq, is_2ghz) + ht40_power_inc_for_pdadc;
1062     target_power_val_t2[ALL_TARGET_HT40_12] =
1063         ar9300_eeprom_get_ht40_trgt_pwr(
1064             ah, HT_TARGET_RATE_12, freq, is_2ghz) + ht40_power_inc_for_pdadc;
1065     target_power_val_t2[ALL_TARGET_HT40_13] =
1066         ar9300_eeprom_get_ht40_trgt_pwr(
1067             ah, HT_TARGET_RATE_13, freq, is_2ghz) + ht40_power_inc_for_pdadc;
1068     target_power_val_t2[ALL_TARGET_HT40_14] =
1069         ar9300_eeprom_get_ht40_trgt_pwr(
1070             ah, HT_TARGET_RATE_14, freq, is_2ghz) + ht40_power_inc_for_pdadc;
1071     target_power_val_t2[ALL_TARGET_HT40_15] =
1072         ar9300_eeprom_get_ht40_trgt_pwr(
1073             ah, HT_TARGET_RATE_15, freq, is_2ghz) + ht40_power_inc_for_pdadc;
1074     target_power_val_t2[ALL_TARGET_HT40_20] =
1075         ar9300_eeprom_get_ht40_trgt_pwr(
1076             ah, HT_TARGET_RATE_20, freq, is_2ghz) + ht40_power_inc_for_pdadc;
1077     target_power_val_t2[ALL_TARGET_HT40_21] =
1078         ar9300_eeprom_get_ht40_trgt_pwr(
1079             ah, HT_TARGET_RATE_21, freq, is_2ghz) + ht40_power_inc_for_pdadc;
1080     target_power_val_t2[ALL_TARGET_HT40_22] =
1081         ar9300_eeprom_get_ht40_trgt_pwr(
1082             ah, HT_TARGET_RATE_22, freq, is_2ghz) + ht40_power_inc_for_pdadc;
1083     target_power_val_t2[ALL_TARGET_HT40_23] =
1084         ar9300_eeprom_get_ht40_trgt_pwr(
1085             ah, HT_TARGET_RATE_23, freq, is_2ghz) + ht40_power_inc_for_pdadc;
1086 
1087 #ifdef AH_DEBUG
1088     {
1089         int  i = 0;
1090 
1091         HALDEBUG(ah, HAL_DEBUG_EEPROM, "%s: APPLYING TARGET POWERS\n", __func__);
1092         while (i < ar9300_rate_size) {
1093             HALDEBUG(ah, HAL_DEBUG_EEPROM, "%s: TPC[%02d] 0x%08x ",
1094                      __func__, i, target_power_val_t2[i]);
1095             i++;
1096 			if (i == ar9300_rate_size) {
1097                 break;
1098 			}
1099             HALDEBUG(ah, HAL_DEBUG_EEPROM, "%s: TPC[%02d] 0x%08x ",
1100                      __func__, i, target_power_val_t2[i]);
1101             i++;
1102 			if (i == ar9300_rate_size) {
1103                 break;
1104 			}
1105             HALDEBUG(ah, HAL_DEBUG_EEPROM, "%s: TPC[%02d] 0x%08x ",
1106                      __func__, i, target_power_val_t2[i]);
1107             i++;
1108 			if (i == ar9300_rate_size) {
1109                 break;
1110 			}
1111             HALDEBUG(ah, HAL_DEBUG_EEPROM, "%s: TPC[%02d] 0x%08x \n",
1112                      __func__, i, target_power_val_t2[i]);
1113             i++;
1114         }
1115     }
1116 #endif
1117 }
1118 
1119 u_int16_t *ar9300_regulatory_domain_get(struct ath_hal *ah)
1120 {
1121     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
1122     return eep->base_eep_header.reg_dmn;
1123 }
1124 
1125 
1126 int32_t
1127 ar9300_eeprom_write_enable_gpio_get(struct ath_hal *ah)
1128 {
1129     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
1130     return eep->base_eep_header.eeprom_write_enable_gpio;
1131 }
1132 
1133 int32_t
1134 ar9300_wlan_disable_gpio_get(struct ath_hal *ah)
1135 {
1136     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
1137     return eep->base_eep_header.wlan_disable_gpio;
1138 }
1139 
1140 int32_t
1141 ar9300_wlan_led_gpio_get(struct ath_hal *ah)
1142 {
1143     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
1144     return eep->base_eep_header.wlan_led_gpio;
1145 }
1146 
1147 int32_t
1148 ar9300_rx_band_select_gpio_get(struct ath_hal *ah)
1149 {
1150     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
1151     return eep->base_eep_header.rx_band_select_gpio;
1152 }
1153 
1154 /*
1155  * since valid noise floor values are negative, returns 1 on error
1156  */
1157 int32_t
1158 ar9300_noise_floor_cal_or_power_get(struct ath_hal *ah, int32_t frequency,
1159     int32_t ichain, HAL_BOOL use_cal)
1160 {
1161     int     nf_use = 1; /* start with an error return value */
1162     int32_t fx[OSPREY_NUM_5G_CAL_PIERS + OSPREY_NUM_2G_CAL_PIERS];
1163     int32_t nf[OSPREY_NUM_5G_CAL_PIERS + OSPREY_NUM_2G_CAL_PIERS];
1164     int     nnf;
1165     int     is_2ghz;
1166     int     ipier, npier;
1167     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
1168     u_int8_t        *p_cal_pier;
1169     OSP_CAL_DATA_PER_FREQ_OP_LOOP *p_cal_pier_struct;
1170 
1171     /*
1172      * check chain value
1173      */
1174     if (ichain < 0 || ichain >= OSPREY_MAX_CHAINS) {
1175         return 1;
1176     }
1177 
1178     /* figure out which band we're using */
1179     is_2ghz = (frequency < 4000);
1180     if (is_2ghz) {
1181         npier = OSPREY_NUM_2G_CAL_PIERS;
1182         p_cal_pier = eep->cal_freq_pier_2g;
1183         p_cal_pier_struct = eep->cal_pier_data_2g[ichain];
1184     } else {
1185         npier = OSPREY_NUM_5G_CAL_PIERS;
1186         p_cal_pier = eep->cal_freq_pier_5g;
1187         p_cal_pier_struct = eep->cal_pier_data_5g[ichain];
1188     }
1189     /* look for valid noise floor values */
1190     nnf = 0;
1191     for (ipier = 0; ipier < npier; ipier++) {
1192         fx[nnf] = FBIN2FREQ(p_cal_pier[ipier], is_2ghz);
1193         nf[nnf] = use_cal ?
1194             p_cal_pier_struct[ipier].rx_noisefloor_cal :
1195             p_cal_pier_struct[ipier].rx_noisefloor_power;
1196         if (nf[nnf] < 0) {
1197             nnf++;
1198         }
1199     }
1200     /*
1201      * If we have some valid values, interpolate to find the value
1202      * at the desired frequency.
1203      */
1204     if (nnf > 0) {
1205         nf_use = interpolate(frequency, fx, nf, nnf);
1206     }
1207 
1208     return nf_use;
1209 }
1210 
1211 /*
1212  * Return the Rx NF offset for specific channel.
1213  * The values saved in EEPROM/OTP/Flash is converted through the following way:
1214  *     ((_p) - NOISE_PWR_DATA_OFFSET) << 2
1215  * So we need to convert back to the original values.
1216  */
1217 int ar9300_get_rx_nf_offset(struct ath_hal *ah, struct ieee80211_channel *chan, int8_t *nf_pwr, int8_t *nf_cal) {
1218     HAL_CHANNEL_INTERNAL *ichan = ath_hal_checkchannel(ah, chan);
1219     int8_t rx_nf_pwr, rx_nf_cal;
1220     int i;
1221     //HALASSERT(ichan);
1222 
1223     /* Fill 0 if valid internal channel is not found */
1224     if (ichan == AH_NULL) {
1225         OS_MEMZERO(nf_pwr, sizeof(nf_pwr[0])*OSPREY_MAX_CHAINS);
1226         OS_MEMZERO(nf_cal, sizeof(nf_cal[0])*OSPREY_MAX_CHAINS);
1227         return -1;
1228     }
1229 
1230     for (i = 0; i < OSPREY_MAX_CHAINS; i++) {
1231 	    if ((rx_nf_pwr = ar9300_noise_floor_cal_or_power_get(ah, ichan->channel, i, 0)) == 1) {
1232 	        nf_pwr[i] = 0;
1233 	    } else {
1234 	        //printk("%s: raw nf_pwr[%d] = %d\n", __func__, i, rx_nf_pwr);
1235             nf_pwr[i] = NOISE_PWR_DBM_2_INT(rx_nf_pwr);
1236 	    }
1237 
1238 	    if ((rx_nf_cal = ar9300_noise_floor_cal_or_power_get(ah, ichan->channel, i, 1)) == 1) {
1239 	        nf_cal[i] = 0;
1240 	    } else {
1241 	        //printk("%s: raw nf_cal[%d] = %d\n", __func__, i, rx_nf_cal);
1242             nf_cal[i] = NOISE_PWR_DBM_2_INT(rx_nf_cal);
1243 	    }
1244     }
1245 
1246     return 0;
1247 }
1248 
1249 int32_t ar9300_rx_gain_index_get(struct ath_hal *ah)
1250 {
1251     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
1252 
1253     return (eep->base_eep_header.txrxgain) & 0xf;        /* bits 3:0 */
1254 }
1255 
1256 
1257 int32_t ar9300_tx_gain_index_get(struct ath_hal *ah)
1258 {
1259     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
1260 
1261     return (eep->base_eep_header.txrxgain >> 4) & 0xf;    /* bits 7:4 */
1262 }
1263 
1264 HAL_BOOL ar9300_internal_regulator_apply(struct ath_hal *ah)
1265 {
1266     struct ath_hal_9300 *ahp = AH9300(ah);
1267     int internal_regulator = ar9300_eeprom_get(ahp, EEP_INTERNAL_REGULATOR);
1268     int reg_pmu1, reg_pmu2, reg_pmu1_set, reg_pmu2_set;
1269     u_int32_t reg_PMU1, reg_PMU2;
1270     unsigned long eep_addr;
1271     u_int32_t reg_val, reg_usb = 0, reg_pmu = 0;
1272     int usb_valid = 0, pmu_valid = 0;
1273     unsigned char pmu_refv;
1274 
1275     if (AR_SREV_JUPITER(ah) || AR_SREV_APHRODITE(ah)) {
1276         reg_PMU1 = AR_PHY_PMU1_JUPITER;
1277         reg_PMU2 = AR_PHY_PMU2_JUPITER;
1278     }
1279     else {
1280         reg_PMU1 = AR_PHY_PMU1;
1281         reg_PMU2 = AR_PHY_PMU2;
1282     }
1283 
1284     if (internal_regulator) {
1285         if (AR_SREV_HORNET(ah) || AR_SREV_POSEIDON(ah)) {
1286             if (AR_SREV_HORNET(ah)) {
1287                 /* Read OTP first */
1288                 for (eep_addr = 0x14; ; eep_addr -= 0x10) {
1289 
1290                     ar9300_otp_read(ah, eep_addr / 4, &reg_val, 1);
1291 
1292                     if ((reg_val & 0x80) == 0x80){
1293                         usb_valid = 1;
1294                         reg_usb = reg_val & 0x000000ff;
1295                     }
1296 
1297                     if ((reg_val & 0x80000000) == 0x80000000){
1298                         pmu_valid = 1;
1299                         reg_pmu = (reg_val & 0xff000000) >> 24;
1300                     }
1301 
1302                     if (eep_addr == 0x4) {
1303                         break;
1304                     }
1305                 }
1306 
1307                 if (pmu_valid) {
1308                     pmu_refv = reg_pmu & 0xf;
1309                 } else {
1310                     pmu_refv = 0x8;
1311                 }
1312 
1313                 /*
1314                  * If (valid) {
1315                  *   Usb_phy_ctrl2_tx_cal_en -> 0
1316                  *   Usb_phy_ctrl2_tx_cal_sel -> 0
1317                  *   Usb_phy_ctrl2_tx_man_cal -> 0, 1, 3, 7 or 15 from OTP
1318                  * }
1319                  */
1320                 if (usb_valid) {
1321                     OS_REG_RMW_FIELD(ah, 0x16c88, AR_PHY_CTRL2_TX_CAL_EN, 0x0);
1322                     OS_REG_RMW_FIELD(ah, 0x16c88, AR_PHY_CTRL2_TX_CAL_SEL, 0x0);
1323                     OS_REG_RMW_FIELD(ah, 0x16c88,
1324                         AR_PHY_CTRL2_TX_MAN_CAL, (reg_usb & 0xf));
1325                 }
1326 
1327             } else {
1328                 pmu_refv = 0x8;
1329             }
1330             /*#ifndef USE_HIF*/
1331             /* Follow the MDK settings for Hornet PMU.
1332              * my $pwd               = 0x0;
1333              * my $Nfdiv             = 0x3;  # xtal_freq = 25MHz
1334              * my $Nfdiv             = 0x4;  # xtal_freq = 40MHz
1335              * my $Refv              = 0x7;  # 0x5:1.22V; 0x8:1.29V
1336              * my $Gm1               = 0x3;  #Poseidon $Gm1=1
1337              * my $classb            = 0x0;
1338              * my $Cc                = 0x1;  #Poseidon $Cc=7
1339              * my $Rc                = 0x6;
1340              * my $ramp_slope        = 0x1;
1341              * my $Segm              = 0x3;
1342              * my $use_local_osc     = 0x0;
1343              * my $force_xosc_stable = 0x0;
1344              * my $Selfb             = 0x0;  #Poseidon $Selfb=1
1345              * my $Filterfb          = 0x3;  #Poseidon $Filterfb=0
1346              * my $Filtervc          = 0x0;
1347              * my $disc              = 0x0;
1348              * my $discdel           = 0x4;
1349              * my $spare             = 0x0;
1350              * $reg_PMU1 =
1351              *     $pwd | ($Nfdiv<<1) | ($Refv<<4) | ($Gm1<<8) |
1352              *     ($classb<<11) | ($Cc<<14) | ($Rc<<17) | ($ramp_slope<<20) |
1353              *     ($Segm<<24) | ($use_local_osc<<26) |
1354              *     ($force_xosc_stable<<27) | ($Selfb<<28) | ($Filterfb<<29);
1355              * $reg_PMU2 = $handle->reg_rd("ch0_PMU2");
1356              * $reg_PMU2 = ($reg_PMU2 & 0xfe3fffff) | ($Filtervc<<22);
1357              * $reg_PMU2 = ($reg_PMU2 & 0xe3ffffff) | ($discdel<<26);
1358              * $reg_PMU2 = ($reg_PMU2 & 0x1fffffff) | ($spare<<29);
1359              */
1360             if (ahp->clk_25mhz) {
1361                 reg_pmu1_set = 0 |
1362                     (3 <<  1) | (pmu_refv << 4) | (3 <<  8) | (0 << 11) |
1363                     (1 << 14) | (6 << 17) | (1 << 20) | (3 << 24) |
1364                     (0 << 26) | (0 << 27) | (0 << 28) | (0 << 29);
1365             } else {
1366                 if (AR_SREV_POSEIDON(ah)) {
1367                     reg_pmu1_set = 0 |
1368                         (5 <<  1) | (7 <<  4) | (2 <<  8) | (0 << 11) |
1369                         (2 << 14) | (6 << 17) | (1 << 20) | (3 << 24) |
1370                         (0 << 26) | (0 << 27) | (1 << 28) | (0 << 29) ;
1371                 } else {
1372                     reg_pmu1_set = 0 |
1373                         (4 <<  1) | (7 <<  4) | (3 <<  8) | (0 << 11) |
1374                         (1 << 14) | (6 << 17) | (1 << 20) | (3 << 24) |
1375                         (0 << 26) | (0 << 27) | (0 << 28) | (0 << 29) ;
1376                 }
1377             }
1378             OS_REG_RMW_FIELD(ah, reg_PMU2, AR_PHY_PMU2_PGM, 0x0);
1379 
1380             OS_REG_WRITE(ah, reg_PMU1, reg_pmu1_set);   /* 0x638c8376 */
1381             reg_pmu1 = OS_REG_READ(ah, reg_PMU1);
1382             while (reg_pmu1 != reg_pmu1_set) {
1383                 OS_REG_WRITE(ah, reg_PMU1, reg_pmu1_set);  /* 0x638c8376 */
1384                 OS_DELAY(10);
1385                 reg_pmu1 = OS_REG_READ(ah, reg_PMU1);
1386             }
1387 
1388             reg_pmu2_set =
1389                  (OS_REG_READ(ah, reg_PMU2) & (~0xFFC00000)) | (4 << 26);
1390             OS_REG_WRITE(ah, reg_PMU2, reg_pmu2_set);
1391             reg_pmu2 = OS_REG_READ(ah, reg_PMU2);
1392             while (reg_pmu2 != reg_pmu2_set) {
1393                 OS_REG_WRITE(ah, reg_PMU2, reg_pmu2_set);
1394                 OS_DELAY(10);
1395                 reg_pmu2 = OS_REG_READ(ah, reg_PMU2);
1396             }
1397             reg_pmu2_set =
1398                  (OS_REG_READ(ah, reg_PMU2) & (~0x00200000)) | (1 << 21);
1399             OS_REG_WRITE(ah, reg_PMU2, reg_pmu2_set);
1400             reg_pmu2 = OS_REG_READ(ah, reg_PMU2);
1401             while (reg_pmu2 != reg_pmu2_set) {
1402                 OS_REG_WRITE(ah, reg_PMU2, reg_pmu2_set);
1403                 OS_DELAY(10);
1404                 reg_pmu2 = OS_REG_READ(ah, reg_PMU2);
1405             }
1406             /*#endif*/
1407         } else if (AR_SREV_JUPITER(ah) || AR_SREV_APHRODITE(ah)) {
1408             /* Internal regulator is ON. Write swreg register. */
1409             int swreg = ar9300_eeprom_get(ahp, EEP_SWREG);
1410             OS_REG_WRITE(ah, reg_PMU1, swreg);
1411         } else {
1412             /* Internal regulator is ON. Write swreg register. */
1413             int swreg = ar9300_eeprom_get(ahp, EEP_SWREG);
1414             OS_REG_WRITE(ah, AR_RTC_REG_CONTROL1,
1415                          OS_REG_READ(ah, AR_RTC_REG_CONTROL1) &
1416                          (~AR_RTC_REG_CONTROL1_SWREG_PROGRAM));
1417             OS_REG_WRITE(ah, AR_RTC_REG_CONTROL0, swreg);
1418             /* Set REG_CONTROL1.SWREG_PROGRAM */
1419             OS_REG_WRITE(ah, AR_RTC_REG_CONTROL1,
1420                 OS_REG_READ(ah, AR_RTC_REG_CONTROL1) |
1421                 AR_RTC_REG_CONTROL1_SWREG_PROGRAM);
1422         }
1423     } else {
1424         if (AR_SREV_HORNET(ah) || AR_SREV_POSEIDON(ah)) {
1425             OS_REG_RMW_FIELD(ah, reg_PMU2, AR_PHY_PMU2_PGM, 0x0);
1426             reg_pmu2 = OS_REG_READ_FIELD(ah, reg_PMU2, AR_PHY_PMU2_PGM);
1427             while (reg_pmu2) {
1428                 OS_DELAY(10);
1429                 reg_pmu2 = OS_REG_READ_FIELD(ah, reg_PMU2, AR_PHY_PMU2_PGM);
1430             }
1431             OS_REG_RMW_FIELD(ah, reg_PMU1, AR_PHY_PMU1_PWD, 0x1);
1432             reg_pmu1 = OS_REG_READ_FIELD(ah, reg_PMU1, AR_PHY_PMU1_PWD);
1433             while (!reg_pmu1) {
1434                 OS_DELAY(10);
1435                 reg_pmu1 = OS_REG_READ_FIELD(ah, reg_PMU1, AR_PHY_PMU1_PWD);
1436             }
1437             OS_REG_RMW_FIELD(ah, reg_PMU2, AR_PHY_PMU2_PGM, 0x1);
1438             reg_pmu2 = OS_REG_READ_FIELD(ah, reg_PMU2, AR_PHY_PMU2_PGM);
1439             while (!reg_pmu2) {
1440                 OS_DELAY(10);
1441                 reg_pmu2 = OS_REG_READ_FIELD(ah, reg_PMU2, AR_PHY_PMU2_PGM);
1442             }
1443         } else if (AR_SREV_JUPITER(ah) || AR_SREV_APHRODITE(ah)) {
1444             OS_REG_RMW_FIELD(ah, reg_PMU1, AR_PHY_PMU1_PWD, 0x1);
1445         } else {
1446             OS_REG_WRITE(ah, AR_RTC_SLEEP_CLK,
1447                 (OS_REG_READ(ah, AR_RTC_SLEEP_CLK) |
1448                 AR_RTC_FORCE_SWREG_PRD | AR_RTC_PCIE_RST_PWDN_EN));
1449         }
1450     }
1451 
1452     return 0;
1453 }
1454 
1455 HAL_BOOL ar9300_drive_strength_apply(struct ath_hal *ah)
1456 {
1457     struct ath_hal_9300 *ahp = AH9300(ah);
1458     int drive_strength;
1459     unsigned long reg;
1460 
1461     drive_strength = ar9300_eeprom_get(ahp, EEP_DRIVE_STRENGTH);
1462     if (drive_strength) {
1463         reg = OS_REG_READ(ah, AR_PHY_65NM_CH0_BIAS1);
1464         reg &= ~0x00ffffc0;
1465         reg |= 0x5 << 21;
1466         reg |= 0x5 << 18;
1467         reg |= 0x5 << 15;
1468         reg |= 0x5 << 12;
1469         reg |= 0x5 << 9;
1470         reg |= 0x5 << 6;
1471         OS_REG_WRITE(ah, AR_PHY_65NM_CH0_BIAS1, reg);
1472 
1473         reg = OS_REG_READ(ah, AR_PHY_65NM_CH0_BIAS2);
1474         reg &= ~0xffffffe0;
1475         reg |= 0x5 << 29;
1476         reg |= 0x5 << 26;
1477         reg |= 0x5 << 23;
1478         reg |= 0x5 << 20;
1479         reg |= 0x5 << 17;
1480         reg |= 0x5 << 14;
1481         reg |= 0x5 << 11;
1482         reg |= 0x5 << 8;
1483         reg |= 0x5 << 5;
1484         OS_REG_WRITE(ah, AR_PHY_65NM_CH0_BIAS2, reg);
1485 
1486         reg = OS_REG_READ(ah, AR_PHY_65NM_CH0_BIAS4);
1487         reg &= ~0xff800000;
1488         reg |= 0x5 << 29;
1489         reg |= 0x5 << 26;
1490         reg |= 0x5 << 23;
1491         OS_REG_WRITE(ah, AR_PHY_65NM_CH0_BIAS4, reg);
1492     }
1493     return 0;
1494 }
1495 
1496 int32_t ar9300_xpa_bias_level_get(struct ath_hal *ah, HAL_BOOL is_2ghz)
1497 {
1498     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
1499     if (is_2ghz) {
1500         return eep->modal_header_2g.xpa_bias_lvl;
1501     } else {
1502         return eep->modal_header_5g.xpa_bias_lvl;
1503     }
1504 }
1505 
1506 HAL_BOOL ar9300_xpa_bias_level_apply(struct ath_hal *ah, HAL_BOOL is_2ghz)
1507 {
1508     /*
1509      * In ar9330 emu, we can't access radio registers,
1510      * merlin is used for radio part.
1511      */
1512     int bias;
1513     bias = ar9300_xpa_bias_level_get(ah, is_2ghz);
1514 
1515     if (AR_SREV_HORNET(ah) || AR_SREV_POSEIDON(ah) || AR_SREV_WASP(ah)) {
1516         OS_REG_RMW_FIELD(ah,
1517             AR_HORNET_CH0_TOP2, AR_HORNET_CH0_TOP2_XPABIASLVL, bias);
1518     } else if (AR_SREV_SCORPION(ah)) {
1519         OS_REG_RMW_FIELD(ah,
1520             AR_SCORPION_CH0_TOP, AR_SCORPION_CH0_TOP_XPABIASLVL, bias);
1521     } else if (AR_SREV_JUPITER(ah) || AR_SREV_APHRODITE(ah)) {
1522         OS_REG_RMW_FIELD(ah,
1523             AR_PHY_65NM_CH0_TOP_JUPITER, AR_PHY_65NM_CH0_TOP_XPABIASLVL, bias);
1524     } else {
1525         OS_REG_RMW_FIELD(ah,
1526             AR_PHY_65NM_CH0_TOP, AR_PHY_65NM_CH0_TOP_XPABIASLVL, bias);
1527         OS_REG_RMW_FIELD(ah,
1528             AR_PHY_65NM_CH0_THERM, AR_PHY_65NM_CH0_THERM_XPABIASLVL_MSB,
1529             bias >> 2);
1530         OS_REG_RMW_FIELD(ah,
1531             AR_PHY_65NM_CH0_THERM, AR_PHY_65NM_CH0_THERM_XPASHORT2GND, 1);
1532     }
1533     return 0;
1534 }
1535 
1536 u_int32_t ar9300_ant_ctrl_common_get(struct ath_hal *ah, HAL_BOOL is_2ghz)
1537 {
1538     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
1539     if (is_2ghz) {
1540         return eep->modal_header_2g.ant_ctrl_common;
1541     } else {
1542         return eep->modal_header_5g.ant_ctrl_common;
1543     }
1544 }
1545 static u_int16_t
1546 ar9300_switch_com_spdt_get(struct ath_hal *ah, HAL_BOOL is_2ghz)
1547 {
1548     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
1549     if (is_2ghz) {
1550         return eep->modal_header_2g.switchcomspdt;
1551     } else {
1552         return eep->modal_header_5g.switchcomspdt;
1553     }
1554 }
1555 u_int32_t ar9300_ant_ctrl_common2_get(struct ath_hal *ah, HAL_BOOL is_2ghz)
1556 {
1557     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
1558     if (is_2ghz) {
1559         return eep->modal_header_2g.ant_ctrl_common2;
1560     } else {
1561         return eep->modal_header_5g.ant_ctrl_common2;
1562     }
1563 }
1564 
1565 u_int16_t ar9300_ant_ctrl_chain_get(struct ath_hal *ah, int chain,
1566     HAL_BOOL is_2ghz)
1567 {
1568     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
1569     if (chain >= 0 && chain < OSPREY_MAX_CHAINS) {
1570         if (is_2ghz) {
1571             return eep->modal_header_2g.ant_ctrl_chain[chain];
1572         } else {
1573             return eep->modal_header_5g.ant_ctrl_chain[chain];
1574         }
1575     }
1576     return 0;
1577 }
1578 
1579 /*
1580  * Select the usage of antenna via the RF switch.
1581  * Default values are loaded from eeprom.
1582  */
1583 HAL_BOOL ar9300_ant_swcom_sel(struct ath_hal *ah, u_int8_t ops,
1584                         u_int32_t *common_tbl1, u_int32_t *common_tbl2)
1585 {
1586     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
1587     struct ath_hal_private  *ap  = AH_PRIVATE(ah);
1588     const struct ieee80211_channel *curchan = ap->ah_curchan;
1589     enum {
1590         ANT_SELECT_OPS_GET,
1591         ANT_SELECT_OPS_SET,
1592     };
1593 
1594     if (AR_SREV_JUPITER(ah) || AR_SREV_SCORPION(ah))
1595         return AH_FALSE;
1596 
1597     if (!curchan)
1598         return AH_FALSE;
1599 
1600 #define AR_SWITCH_TABLE_COM_ALL (0xffff)
1601 #define AR_SWITCH_TABLE_COM_ALL_S (0)
1602 #define AR_SWITCH_TABLE_COM2_ALL (0xffffff)
1603 #define AR_SWITCH_TABLE_COM2_ALL_S (0)
1604     switch (ops) {
1605     case ANT_SELECT_OPS_GET:
1606         *common_tbl1 = OS_REG_READ_FIELD(ah, AR_PHY_SWITCH_COM,
1607                             AR_SWITCH_TABLE_COM_ALL);
1608         *common_tbl2 = OS_REG_READ_FIELD(ah, AR_PHY_SWITCH_COM_2,
1609                             AR_SWITCH_TABLE_COM2_ALL);
1610         break;
1611     case ANT_SELECT_OPS_SET:
1612         OS_REG_RMW_FIELD(ah, AR_PHY_SWITCH_COM,
1613             AR_SWITCH_TABLE_COM_ALL, *common_tbl1);
1614         OS_REG_RMW_FIELD(ah, AR_PHY_SWITCH_COM_2,
1615             AR_SWITCH_TABLE_COM2_ALL, *common_tbl2);
1616 
1617         /* write back to eeprom */
1618         if (IEEE80211_IS_CHAN_2GHZ(curchan)) {
1619             eep->modal_header_2g.ant_ctrl_common = *common_tbl1;
1620             eep->modal_header_2g.ant_ctrl_common2 = *common_tbl2;
1621         } else {
1622             eep->modal_header_5g.ant_ctrl_common = *common_tbl1;
1623             eep->modal_header_5g.ant_ctrl_common2 = *common_tbl2;
1624         }
1625 
1626         break;
1627     default:
1628         break;
1629     }
1630 
1631     return AH_TRUE;
1632 }
1633 
1634 HAL_BOOL ar9300_ant_ctrl_apply(struct ath_hal *ah, HAL_BOOL is_2ghz)
1635 {
1636     u_int32_t value;
1637     struct ath_hal_9300 *ahp = AH9300(ah);
1638     u_int32_t regval;
1639     struct ath_hal_private *ahpriv = AH_PRIVATE(ah);
1640 #if ATH_ANT_DIV_COMB
1641     HAL_CAPABILITIES *pcap = &ahpriv->ah_caps;
1642 #endif  /* ATH_ANT_DIV_COMB */
1643     u_int32_t xlan_gpio_cfg;
1644     u_int8_t  i;
1645 
1646     HALDEBUG(ah, HAL_DEBUG_BT_COEX, "%s: use_bt_ant_enable=%d\n",
1647       __func__, ahp->ah_lna_div_use_bt_ant_enable);
1648 
1649     /* XXX TODO: only if rx_gain_idx == 0 */
1650     if (AR_SREV_POSEIDON(ah)) {
1651         xlan_gpio_cfg = ah->ah_config.ath_hal_ext_lna_ctl_gpio;
1652         if (xlan_gpio_cfg) {
1653             for (i = 0; i < 32; i++) {
1654                 if (xlan_gpio_cfg & (1 << i)) {
1655                     ath_hal_gpioCfgOutput(ah, i,
1656                         HAL_GPIO_OUTPUT_MUX_PCIE_ATTENTION_LED);
1657                 }
1658             }
1659         }
1660     }
1661 #define AR_SWITCH_TABLE_COM_ALL (0xffff)
1662 #define AR_SWITCH_TABLE_COM_ALL_S (0)
1663 #define AR_SWITCH_TABLE_COM_JUPITER_ALL (0xffffff)
1664 #define AR_SWITCH_TABLE_COM_JUPITER_ALL_S (0)
1665 #define AR_SWITCH_TABLE_COM_SCORPION_ALL (0xffffff)
1666 #define AR_SWITCH_TABLE_COM_SCORPION_ALL_S (0)
1667 #define AR_SWITCH_TABLE_COM_HONEYBEE_ALL (0xffffff)
1668 #define AR_SWITCH_TABLE_COM_HONEYBEE_ALL_S (0)
1669 #define AR_SWITCH_TABLE_COM_SPDT (0x00f00000)
1670     value = ar9300_ant_ctrl_common_get(ah, is_2ghz);
1671     if (AR_SREV_JUPITER(ah) || AR_SREV_APHRODITE(ah)) {
1672         if (AR_SREV_JUPITER_10(ah)) {
1673             /* Force SPDT setting for Jupiter 1.0 chips. */
1674             value &= ~AR_SWITCH_TABLE_COM_SPDT;
1675             value |= 0x00100000;
1676         }
1677         OS_REG_RMW_FIELD(ah, AR_PHY_SWITCH_COM,
1678             AR_SWITCH_TABLE_COM_JUPITER_ALL, value);
1679     }
1680     else if (AR_SREV_SCORPION(ah)) {
1681         OS_REG_RMW_FIELD(ah, AR_PHY_SWITCH_COM,
1682             AR_SWITCH_TABLE_COM_SCORPION_ALL, value);
1683     }
1684     else if (AR_SREV_HONEYBEE(ah)) {
1685         OS_REG_RMW_FIELD(ah, AR_PHY_SWITCH_COM,
1686             AR_SWITCH_TABLE_COM_HONEYBEE_ALL, value);
1687     }
1688     else {
1689         OS_REG_RMW_FIELD(ah, AR_PHY_SWITCH_COM,
1690             AR_SWITCH_TABLE_COM_ALL, value);
1691     }
1692 /*
1693 *   Jupiter2.0 defines new switch table for BT/WLAN,
1694 *	here's new field name in WB222.ref for both 2G and 5G.
1695 *   Register: [GLB_CONTROL] GLB_CONTROL (@0x20044)
1696 *   15:12	R/W	SWITCH_TABLE_COM_SPDT_WLAN_RX	SWITCH_TABLE_COM_SPDT_WLAN_RX
1697 *   11:8	R/W	SWITCH_TABLE_COM_SPDT_WLAN_TX	SWITCH_TABLE_COM_SPDT_WLAN_TX
1698 *   7:4	R/W	SWITCH_TABLE_COM_SPDT_WLAN_IDLE	SWITCH_TABLE_COM_SPDT_WLAN_IDLE
1699 */
1700 #define AR_SWITCH_TABLE_COM_SPDT_ALL (0x0000fff0)
1701 #define AR_SWITCH_TABLE_COM_SPDT_ALL_S (4)
1702     if (AR_SREV_JUPITER_20_OR_LATER(ah) || AR_SREV_APHRODITE(ah)) {
1703         value = ar9300_switch_com_spdt_get(ah, is_2ghz);
1704         OS_REG_RMW_FIELD(ah, AR_GLB_CONTROL,
1705             AR_SWITCH_TABLE_COM_SPDT_ALL, value);
1706 
1707         OS_REG_SET_BIT(ah, AR_GLB_CONTROL,
1708             AR_BTCOEX_CTRL_SPDT_ENABLE);
1709         //OS_REG_SET_BIT(ah, AR_GLB_CONTROL,
1710         //    AR_BTCOEX_CTRL_BT_OWN_SPDT_CTRL);
1711     }
1712 
1713 #define AR_SWITCH_TABLE_COM2_ALL (0xffffff)
1714 #define AR_SWITCH_TABLE_COM2_ALL_S (0)
1715     value = ar9300_ant_ctrl_common2_get(ah, is_2ghz);
1716 #if ATH_ANT_DIV_COMB
1717     if ( AR_SREV_POSEIDON(ah) && (ahp->ah_lna_div_use_bt_ant_enable == TRUE) ) {
1718         value &= ~AR_SWITCH_TABLE_COM2_ALL;
1719         value |= ah->ah_config.ath_hal_ant_ctrl_comm2g_switch_enable;
1720 	HALDEBUG(ah, HAL_DEBUG_RESET, "%s: com2=0x%08x\n", __func__, value)
1721     }
1722 #endif  /* ATH_ANT_DIV_COMB */
1723     OS_REG_RMW_FIELD(ah, AR_PHY_SWITCH_COM_2, AR_SWITCH_TABLE_COM2_ALL, value);
1724 
1725 #define AR_SWITCH_TABLE_ALL (0xfff)
1726 #define AR_SWITCH_TABLE_ALL_S (0)
1727     value = ar9300_ant_ctrl_chain_get(ah, 0, is_2ghz);
1728     OS_REG_RMW_FIELD(ah, AR_PHY_SWITCH_CHAIN_0, AR_SWITCH_TABLE_ALL, value);
1729 
1730     if (!AR_SREV_HORNET(ah) && !AR_SREV_POSEIDON(ah) && !AR_SREV_APHRODITE(ah)) {
1731         value = ar9300_ant_ctrl_chain_get(ah, 1, is_2ghz);
1732         OS_REG_RMW_FIELD(ah, AR_PHY_SWITCH_CHAIN_1, AR_SWITCH_TABLE_ALL, value);
1733 
1734         if (!AR_SREV_WASP(ah) && !AR_SREV_JUPITER(ah) && !AR_SREV_HONEYBEE(ah)) {
1735             value = ar9300_ant_ctrl_chain_get(ah, 2, is_2ghz);
1736             OS_REG_RMW_FIELD(ah,
1737                 AR_PHY_SWITCH_CHAIN_2, AR_SWITCH_TABLE_ALL, value);
1738         }
1739     }
1740     if (AR_SREV_HORNET(ah) || AR_SREV_POSEIDON(ah) || AR_SREV_APHRODITE(ah)) {
1741         value = ar9300_eeprom_get(ahp, EEP_ANTDIV_control);
1742         /* main_lnaconf, alt_lnaconf, main_tb, alt_tb */
1743         regval = OS_REG_READ(ah, AR_PHY_MC_GAIN_CTRL);
1744         regval &= (~ANT_DIV_CONTROL_ALL); /* clear bit 25~30 */
1745         regval |= (value & 0x3f) << ANT_DIV_CONTROL_ALL_S;
1746         /* enable_lnadiv */
1747         regval &= (~MULTICHAIN_GAIN_CTRL__ENABLE_ANT_DIV_LNADIV__MASK);
1748         regval |= ((value >> 6) & 0x1) <<
1749                   MULTICHAIN_GAIN_CTRL__ENABLE_ANT_DIV_LNADIV__SHIFT;
1750 #if ATH_ANT_DIV_COMB
1751         if ( AR_SREV_POSEIDON(ah) && (ahp->ah_lna_div_use_bt_ant_enable == TRUE) ) {
1752             regval |= ANT_DIV_ENABLE;
1753         }
1754         if (AR_SREV_APHRODITE(ah)) {
1755                 if (ahp->ah_lna_div_use_bt_ant_enable) {
1756                         regval |= (1 << MULTICHAIN_GAIN_CTRL__ENABLE_ANT_SW_RX_PROT__SHIFT);
1757 
1758                         OS_REG_SET_BIT(ah, AR_PHY_RESTART,
1759                                     RESTART__ENABLE_ANT_FAST_DIV_M2FLAG__MASK);
1760 
1761                         /* Force WLAN LNA diversity ON */
1762                         OS_REG_SET_BIT(ah, AR_BTCOEX_WL_LNADIV,
1763                                     AR_BTCOEX_WL_LNADIV_FORCE_ON);
1764                 } else {
1765                         regval &= ~(1 << MULTICHAIN_GAIN_CTRL__ENABLE_ANT_DIV_LNADIV__SHIFT);
1766                         regval &= ~(1 << MULTICHAIN_GAIN_CTRL__ENABLE_ANT_SW_RX_PROT__SHIFT);
1767 
1768                         OS_REG_CLR_BIT(ah, AR_PHY_MC_GAIN_CTRL,
1769                                     (1 << MULTICHAIN_GAIN_CTRL__ENABLE_ANT_SW_RX_PROT__SHIFT));
1770 
1771                         /* Force WLAN LNA diversity OFF */
1772                         OS_REG_CLR_BIT(ah, AR_BTCOEX_WL_LNADIV,
1773                                     AR_BTCOEX_WL_LNADIV_FORCE_ON);
1774                 }
1775         }
1776 
1777 #endif  /* ATH_ANT_DIV_COMB */
1778         OS_REG_WRITE(ah, AR_PHY_MC_GAIN_CTRL, regval);
1779 
1780         /* enable fast_div */
1781         regval = OS_REG_READ(ah, AR_PHY_CCK_DETECT);
1782         regval &= (~BBB_SIG_DETECT__ENABLE_ANT_FAST_DIV__MASK);
1783         regval |= ((value >> 7) & 0x1) <<
1784                   BBB_SIG_DETECT__ENABLE_ANT_FAST_DIV__SHIFT;
1785 #if ATH_ANT_DIV_COMB
1786         if ((AR_SREV_POSEIDON(ah) || AR_SREV_APHRODITE(ah))
1787           && (ahp->ah_lna_div_use_bt_ant_enable == TRUE) ) {
1788             regval |= FAST_DIV_ENABLE;
1789         }
1790 #endif  /* ATH_ANT_DIV_COMB */
1791         OS_REG_WRITE(ah, AR_PHY_CCK_DETECT, regval);
1792     }
1793 
1794 #if ATH_ANT_DIV_COMB
1795     if (AR_SREV_HORNET(ah) || AR_SREV_POSEIDON_11_OR_LATER(ah)) {
1796         if (pcap->halAntDivCombSupport) {
1797             /* If support DivComb, set MAIN to LNA1, ALT to LNA2 at beginning */
1798             regval = OS_REG_READ(ah, AR_PHY_MC_GAIN_CTRL);
1799             /* clear bit 25~30 main_lnaconf, alt_lnaconf, main_tb, alt_tb */
1800             regval &= (~(MULTICHAIN_GAIN_CTRL__ANT_DIV_MAIN_LNACONF__MASK |
1801                          MULTICHAIN_GAIN_CTRL__ANT_DIV_ALT_LNACONF__MASK |
1802                          MULTICHAIN_GAIN_CTRL__ANT_DIV_ALT_GAINTB__MASK |
1803                          MULTICHAIN_GAIN_CTRL__ANT_DIV_MAIN_GAINTB__MASK));
1804             regval |= (HAL_ANT_DIV_COMB_LNA1 <<
1805                        MULTICHAIN_GAIN_CTRL__ANT_DIV_MAIN_LNACONF__SHIFT);
1806             regval |= (HAL_ANT_DIV_COMB_LNA2 <<
1807                        MULTICHAIN_GAIN_CTRL__ANT_DIV_ALT_LNACONF__SHIFT);
1808             OS_REG_WRITE(ah, AR_PHY_MC_GAIN_CTRL, regval);
1809         }
1810 
1811     }
1812 #endif /* ATH_ANT_DIV_COMB */
1813     if (AR_SREV_POSEIDON(ah) && ( ahp->ah_diversity_control == HAL_ANT_FIXED_A
1814 	     || ahp->ah_diversity_control == HAL_ANT_FIXED_B))
1815     {
1816         u_int32_t reg_val = OS_REG_READ(ah, AR_PHY_MC_GAIN_CTRL);
1817         reg_val &=  ~(MULTICHAIN_GAIN_CTRL__ANT_DIV_MAIN_LNACONF__MASK |
1818                     MULTICHAIN_GAIN_CTRL__ANT_DIV_ALT_LNACONF__MASK |
1819                     MULTICHAIN_GAIN_CTRL__ANT_FAST_DIV_BIAS__MASK |
1820     		        MULTICHAIN_GAIN_CTRL__ANT_DIV_MAIN_GAINTB__MASK |
1821     		        MULTICHAIN_GAIN_CTRL__ANT_DIV_ALT_GAINTB__MASK );
1822 
1823         switch (ahp->ah_diversity_control) {
1824         case HAL_ANT_FIXED_A:
1825             /* Enable first antenna only */
1826             reg_val |= (HAL_ANT_DIV_COMB_LNA1 <<
1827                        MULTICHAIN_GAIN_CTRL__ANT_DIV_MAIN_LNACONF__SHIFT);
1828             reg_val |= (HAL_ANT_DIV_COMB_LNA2 <<
1829                        MULTICHAIN_GAIN_CTRL__ANT_DIV_ALT_LNACONF__SHIFT);
1830             /* main/alt gain table and Fast Div Bias all set to 0 */
1831             OS_REG_WRITE(ah, AR_PHY_MC_GAIN_CTRL, reg_val);
1832             regval = OS_REG_READ(ah, AR_PHY_CCK_DETECT);
1833             regval &= (~BBB_SIG_DETECT__ENABLE_ANT_FAST_DIV__MASK);
1834             OS_REG_WRITE(ah, AR_PHY_CCK_DETECT, regval);
1835             break;
1836         case HAL_ANT_FIXED_B:
1837             /* Enable second antenna only, after checking capability */
1838             reg_val |= (HAL_ANT_DIV_COMB_LNA2 <<
1839                        MULTICHAIN_GAIN_CTRL__ANT_DIV_MAIN_LNACONF__SHIFT);
1840             reg_val |= (HAL_ANT_DIV_COMB_LNA1 <<
1841                        MULTICHAIN_GAIN_CTRL__ANT_DIV_ALT_LNACONF__SHIFT);
1842             /* main/alt gain table and Fast Div all set to 0 */
1843             OS_REG_WRITE(ah, AR_PHY_MC_GAIN_CTRL, reg_val);
1844             regval = OS_REG_READ(ah, AR_PHY_CCK_DETECT);
1845             regval &= (~BBB_SIG_DETECT__ENABLE_ANT_FAST_DIV__MASK);
1846             OS_REG_WRITE(ah, AR_PHY_CCK_DETECT, regval);
1847             /* For WB225, need to swith ANT2 from BT to Wifi
1848              * This will not affect HB125 LNA diversity feature.
1849              */
1850 	     HALDEBUG(ah, HAL_DEBUG_RESET, "%s: com2=0x%08x\n", __func__,
1851 	         ah->ah_config.ath_hal_ant_ctrl_comm2g_switch_enable)
1852             OS_REG_RMW_FIELD(ah, AR_PHY_SWITCH_COM_2, AR_SWITCH_TABLE_COM2_ALL,
1853                 ah->ah_config.ath_hal_ant_ctrl_comm2g_switch_enable);
1854             break;
1855         default:
1856             break;
1857         }
1858     }
1859     return 0;
1860 }
1861 
1862 static u_int16_t
1863 ar9300_attenuation_chain_get(struct ath_hal *ah, int chain, u_int16_t channel)
1864 {
1865     int32_t f[3], t[3];
1866     u_int16_t value;
1867     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
1868     if (chain >= 0 && chain < OSPREY_MAX_CHAINS) {
1869         if (channel < 4000) {
1870             return eep->modal_header_2g.xatten1_db[chain];
1871         } else {
1872             if (eep->base_ext2.xatten1_db_low[chain] != 0) {
1873                 t[0] = eep->base_ext2.xatten1_db_low[chain];
1874                 f[0] = 5180;
1875                 t[1] = eep->modal_header_5g.xatten1_db[chain];
1876                 f[1] = 5500;
1877                 t[2] = eep->base_ext2.xatten1_db_high[chain];
1878                 f[2] = 5785;
1879                 value = interpolate(channel, f, t, 3);
1880                 return value;
1881             } else {
1882                 return eep->modal_header_5g.xatten1_db[chain];
1883             }
1884         }
1885     }
1886     return 0;
1887 }
1888 
1889 static u_int16_t
1890 ar9300_attenuation_margin_chain_get(struct ath_hal *ah, int chain,
1891     u_int16_t channel)
1892 {
1893     int32_t f[3], t[3];
1894     u_int16_t value;
1895     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
1896     if (chain >= 0 && chain < OSPREY_MAX_CHAINS) {
1897         if (channel < 4000) {
1898             return eep->modal_header_2g.xatten1_margin[chain];
1899         } else {
1900             if (eep->base_ext2.xatten1_margin_low[chain] != 0) {
1901                 t[0] = eep->base_ext2.xatten1_margin_low[chain];
1902                 f[0] = 5180;
1903                 t[1] = eep->modal_header_5g.xatten1_margin[chain];
1904                 f[1] = 5500;
1905                 t[2] = eep->base_ext2.xatten1_margin_high[chain];
1906                 f[2] = 5785;
1907                 value = interpolate(channel, f, t, 3);
1908                 return value;
1909             } else {
1910                 return eep->modal_header_5g.xatten1_margin[chain];
1911             }
1912         }
1913     }
1914     return 0;
1915 }
1916 
1917 #if 0
1918 HAL_BOOL ar9300_attenuation_apply(struct ath_hal *ah, u_int16_t channel)
1919 {
1920     u_int32_t value;
1921 //    struct ath_hal_private *ahpriv = AH_PRIVATE(ah);
1922 
1923     /* Test value. if 0 then attenuation is unused. Don't load anything. */
1924     value = ar9300_attenuation_chain_get(ah, 0, channel);
1925     OS_REG_RMW_FIELD(ah,
1926         AR_PHY_EXT_ATTEN_CTL_0, AR_PHY_EXT_ATTEN_CTL_XATTEN1_DB, value);
1927     value = ar9300_attenuation_margin_chain_get(ah, 0, channel);
1928     if (ar9300_rx_gain_index_get(ah) == 0
1929         && ah->ah_config.ath_hal_ext_atten_margin_cfg)
1930     {
1931         value = 5;
1932     }
1933     OS_REG_RMW_FIELD(ah,
1934         AR_PHY_EXT_ATTEN_CTL_0, AR_PHY_EXT_ATTEN_CTL_XATTEN1_MARGIN, value);
1935 
1936     if (!AR_SREV_HORNET(ah) && !AR_SREV_POSEIDON(ah)) {
1937         value = ar9300_attenuation_chain_get(ah, 1, channel);
1938         OS_REG_RMW_FIELD(ah,
1939             AR_PHY_EXT_ATTEN_CTL_1, AR_PHY_EXT_ATTEN_CTL_XATTEN1_DB, value);
1940         value = ar9300_attenuation_margin_chain_get(ah, 1, channel);
1941         OS_REG_RMW_FIELD(ah,
1942             AR_PHY_EXT_ATTEN_CTL_1, AR_PHY_EXT_ATTEN_CTL_XATTEN1_MARGIN,
1943             value);
1944         if (!AR_SREV_WASP(ah) && !AR_SREV_JUPITER(ah)&& !AR_SREV_HONEYBEE(ah) ) {
1945             value = ar9300_attenuation_chain_get(ah, 2, channel);
1946             OS_REG_RMW_FIELD(ah,
1947                 AR_PHY_EXT_ATTEN_CTL_2, AR_PHY_EXT_ATTEN_CTL_XATTEN1_DB, value);
1948             value = ar9300_attenuation_margin_chain_get(ah, 2, channel);
1949             OS_REG_RMW_FIELD(ah,
1950                 AR_PHY_EXT_ATTEN_CTL_2, AR_PHY_EXT_ATTEN_CTL_XATTEN1_MARGIN,
1951                 value);
1952         }
1953     }
1954     return 0;
1955 }
1956 #endif
1957 HAL_BOOL
1958 ar9300_attenuation_apply(struct ath_hal *ah, u_int16_t channel)
1959 {
1960 	int i;
1961 	uint32_t value;
1962 	uint32_t ext_atten_reg[3] = {
1963 	    AR_PHY_EXT_ATTEN_CTL_0,
1964 	    AR_PHY_EXT_ATTEN_CTL_1,
1965 	    AR_PHY_EXT_ATTEN_CTL_2
1966 	};
1967 
1968 	/*
1969 	 * If it's an AR9462 and we're receiving on the second
1970 	 * chain only, set the chain 0 details from chain 1
1971 	 * calibration.
1972 	 *
1973 	 * This is from ath9k.
1974 	 */
1975 	if (AR_SREV_JUPITER(ah) && (AH9300(ah)->ah_rx_chainmask == 0x2)) {
1976 		value = ar9300_attenuation_chain_get(ah, 1, channel);
1977 		OS_REG_RMW_FIELD(ah, ext_atten_reg[0],
1978 		    AR_PHY_EXT_ATTEN_CTL_XATTEN1_DB, value);
1979 		value = ar9300_attenuation_margin_chain_get(ah, 1, channel);
1980 		OS_REG_RMW_FIELD(ah, ext_atten_reg[0],
1981 		    AR_PHY_EXT_ATTEN_CTL_XATTEN1_MARGIN, value);
1982 	}
1983 
1984 	/*
1985 	 * Now, loop over the configured transmit chains and
1986 	 * load in the attenuation/margin settings as appropriate.
1987 	 */
1988 	for (i = 0; i < 3; i++) {
1989 		if ((AH9300(ah)->ah_tx_chainmask & (1 << i)) == 0)
1990 			continue;
1991 
1992 		value = ar9300_attenuation_chain_get(ah, i, channel);
1993 		OS_REG_RMW_FIELD(ah, ext_atten_reg[i],
1994 		    AR_PHY_EXT_ATTEN_CTL_XATTEN1_DB,
1995 		    value);
1996 
1997 		if (AR_SREV_POSEIDON(ah) &&
1998 		    (ar9300_rx_gain_index_get(ah) == 0) &&
1999 		    ah->ah_config.ath_hal_ext_atten_margin_cfg) {
2000 			value = 5;
2001 		} else {
2002 			value = ar9300_attenuation_margin_chain_get(ah, 0,
2003 			    channel);
2004 		}
2005 
2006 		/*
2007 		 * I'm not sure why it's loading in this setting into
2008 		 * the chain 0 margin regardless of the current chain.
2009 		 */
2010 		if (ah->ah_config.ath_hal_min_gainidx)
2011 			OS_REG_RMW_FIELD(ah,
2012 			    AR_PHY_EXT_ATTEN_CTL_0,
2013 			    AR_PHY_EXT_ATTEN_CTL_XATTEN1_MARGIN,
2014 			    value);
2015 
2016 		OS_REG_RMW_FIELD(ah,
2017 		    ext_atten_reg[i],
2018 		    AR_PHY_EXT_ATTEN_CTL_XATTEN1_MARGIN,
2019 		    value);
2020 	}
2021 
2022 	return (0);
2023 }
2024 
2025 
2026 static u_int16_t ar9300_quick_drop_get(struct ath_hal *ah,
2027 								int chain, u_int16_t channel)
2028 {
2029     int32_t f[3], t[3];
2030     u_int16_t value;
2031     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
2032 
2033     if (channel < 4000) {
2034         return eep->modal_header_2g.quick_drop;
2035     } else {
2036         t[0] = eep->base_ext1.quick_drop_low;
2037         f[0] = 5180;
2038         t[1] = eep->modal_header_5g.quick_drop;
2039         f[1] = 5500;
2040         t[2] = eep->base_ext1.quick_drop_high;
2041         f[2] = 5785;
2042         value = interpolate(channel, f, t, 3);
2043         return value;
2044     }
2045 }
2046 
2047 
2048 static HAL_BOOL ar9300_quick_drop_apply(struct ath_hal *ah, u_int16_t channel)
2049 {
2050     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
2051     u_int32_t value;
2052     //
2053     // Test value. if 0 then quickDrop is unused. Don't load anything.
2054     //
2055     if (eep->base_eep_header.misc_configuration & 0x10)
2056 	{
2057         if (AR_SREV_OSPREY(ah) || AR_SREV_AR9580(ah) || AR_SREV_WASP(ah))
2058         {
2059             value = ar9300_quick_drop_get(ah, 0, channel);
2060             OS_REG_RMW_FIELD(ah, AR_PHY_AGC, AR_PHY_AGC_QUICK_DROP, value);
2061         }
2062     }
2063     return 0;
2064 }
2065 
2066 static u_int16_t ar9300_tx_end_to_xpa_off_get(struct ath_hal *ah, u_int16_t channel)
2067 {
2068     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
2069 
2070     if (channel < 4000) {
2071         return eep->modal_header_2g.tx_end_to_xpa_off;
2072     } else {
2073         return eep->modal_header_5g.tx_end_to_xpa_off;
2074     }
2075 }
2076 
2077 static HAL_BOOL ar9300_tx_end_to_xpab_off_apply(struct ath_hal *ah, u_int16_t channel)
2078 {
2079     u_int32_t value;
2080 
2081     value = ar9300_tx_end_to_xpa_off_get(ah, channel);
2082     /* Apply to both xpaa and xpab */
2083     if (AR_SREV_OSPREY(ah) || AR_SREV_AR9580(ah) || AR_SREV_WASP(ah))
2084     {
2085         OS_REG_RMW_FIELD(ah, AR_PHY_XPA_TIMING_CTL,
2086             AR_PHY_XPA_TIMING_CTL_TX_END_XPAB_OFF, value);
2087         OS_REG_RMW_FIELD(ah, AR_PHY_XPA_TIMING_CTL,
2088             AR_PHY_XPA_TIMING_CTL_TX_END_XPAA_OFF, value);
2089     }
2090     return 0;
2091 }
2092 
2093 static int
2094 ar9300_eeprom_cal_pier_get(struct ath_hal *ah, int mode, int ipier, int ichain,
2095     int *pfrequency, int *pcorrection, int *ptemperature, int *pvoltage)
2096 {
2097     u_int8_t *p_cal_pier;
2098     OSP_CAL_DATA_PER_FREQ_OP_LOOP *p_cal_pier_struct;
2099     int is_2ghz;
2100     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
2101 
2102     if (ichain >= OSPREY_MAX_CHAINS) {
2103         HALDEBUG(ah, HAL_DEBUG_EEPROM,
2104             "%s: Invalid chain index, must be less than %d\n",
2105             __func__, OSPREY_MAX_CHAINS);
2106         return -1;
2107     }
2108 
2109     if (mode) {/* 5GHz */
2110         if (ipier >= OSPREY_NUM_5G_CAL_PIERS){
2111             HALDEBUG(ah, HAL_DEBUG_EEPROM,
2112                 "%s: Invalid 5GHz cal pier index, must be less than %d\n",
2113                 __func__, OSPREY_NUM_5G_CAL_PIERS);
2114             return -1;
2115         }
2116         p_cal_pier = &(eep->cal_freq_pier_5g[ipier]);
2117         p_cal_pier_struct = &(eep->cal_pier_data_5g[ichain][ipier]);
2118         is_2ghz = 0;
2119     } else {
2120         if (ipier >= OSPREY_NUM_2G_CAL_PIERS){
2121             HALDEBUG(ah, HAL_DEBUG_EEPROM,
2122                 "%s: Invalid 2GHz cal pier index, must be less than %d\n",
2123                 __func__, OSPREY_NUM_2G_CAL_PIERS);
2124             return -1;
2125         }
2126 
2127         p_cal_pier = &(eep->cal_freq_pier_2g[ipier]);
2128         p_cal_pier_struct = &(eep->cal_pier_data_2g[ichain][ipier]);
2129         is_2ghz = 1;
2130     }
2131     *pfrequency = FBIN2FREQ(*p_cal_pier, is_2ghz);
2132     *pcorrection = p_cal_pier_struct->ref_power;
2133     *ptemperature = p_cal_pier_struct->temp_meas;
2134     *pvoltage = p_cal_pier_struct->volt_meas;
2135     return 0;
2136 }
2137 
2138 /*
2139  * Apply the recorded correction values.
2140  */
2141 static int
2142 ar9300_calibration_apply(struct ath_hal *ah, int frequency)
2143 {
2144     struct ath_hal_9300 *ahp = AH9300(ah);
2145 
2146     int ichain, ipier, npier;
2147     int mode;
2148     int fdiff;
2149     int pfrequency, pcorrection, ptemperature, pvoltage;
2150     int bf, factor, plus;
2151 
2152     int lfrequency[AR9300_MAX_CHAINS];
2153     int hfrequency[AR9300_MAX_CHAINS];
2154 
2155     int lcorrection[AR9300_MAX_CHAINS];
2156     int hcorrection[AR9300_MAX_CHAINS];
2157     int correction[AR9300_MAX_CHAINS];
2158 
2159     int ltemperature[AR9300_MAX_CHAINS];
2160     int htemperature[AR9300_MAX_CHAINS];
2161     int temperature[AR9300_MAX_CHAINS];
2162 
2163     int lvoltage[AR9300_MAX_CHAINS];
2164     int hvoltage[AR9300_MAX_CHAINS];
2165     int voltage[AR9300_MAX_CHAINS];
2166 
2167     mode = (frequency >= 4000);
2168     npier = (mode) ?  OSPREY_NUM_5G_CAL_PIERS : OSPREY_NUM_2G_CAL_PIERS;
2169 
2170     for (ichain = 0; ichain < AR9300_MAX_CHAINS; ichain++) {
2171         lfrequency[ichain] = 0;
2172         hfrequency[ichain] = 100000;
2173     }
2174     /*
2175      * identify best lower and higher frequency calibration measurement
2176      */
2177     for (ichain = 0; ichain < AR9300_MAX_CHAINS; ichain++) {
2178         for (ipier = 0; ipier < npier; ipier++) {
2179             if (ar9300_eeprom_cal_pier_get(
2180                     ah, mode, ipier, ichain,
2181                     &pfrequency, &pcorrection, &ptemperature, &pvoltage) == 0)
2182             {
2183                 fdiff = frequency - pfrequency;
2184                 /*
2185                  * this measurement is higher than our desired frequency
2186                  */
2187                 if (fdiff <= 0) {
2188                     if (hfrequency[ichain] <= 0 ||
2189                         hfrequency[ichain] >= 100000 ||
2190                         fdiff > (frequency - hfrequency[ichain]))
2191                     {
2192                         /*
2193                          * new best higher frequency measurement
2194                          */
2195                         hfrequency[ichain] = pfrequency;
2196                         hcorrection[ichain] = pcorrection;
2197                         htemperature[ichain] = ptemperature;
2198                         hvoltage[ichain] = pvoltage;
2199                     }
2200                 }
2201                 if (fdiff >= 0) {
2202                     if (lfrequency[ichain] <= 0 ||
2203                         fdiff < (frequency - lfrequency[ichain]))
2204                     {
2205                         /*
2206                          * new best lower frequency measurement
2207                          */
2208                         lfrequency[ichain] = pfrequency;
2209                         lcorrection[ichain] = pcorrection;
2210                         ltemperature[ichain] = ptemperature;
2211                         lvoltage[ichain] = pvoltage;
2212                     }
2213                 }
2214             }
2215         }
2216     }
2217     /* interpolate */
2218     for (ichain = 0; ichain < AR9300_MAX_CHAINS; ichain++) {
2219         HALDEBUG(ah, HAL_DEBUG_EEPROM,
2220             "%s: ch=%d f=%d low=%d %d h=%d %d\n",
2221             __func__, ichain, frequency,
2222             lfrequency[ichain], lcorrection[ichain],
2223             hfrequency[ichain], hcorrection[ichain]);
2224         /*
2225          * they're the same, so just pick one
2226          */
2227         if (hfrequency[ichain] == lfrequency[ichain]) {
2228             correction[ichain] = lcorrection[ichain];
2229             voltage[ichain] = lvoltage[ichain];
2230             temperature[ichain] = ltemperature[ichain];
2231         } else if (frequency - lfrequency[ichain] < 1000) {
2232             /* the low frequency is good */
2233             if (hfrequency[ichain] - frequency < 1000) {
2234                 /*
2235                  * The high frequency is good too -
2236                  * interpolate with round off.
2237                  */
2238                 int mult, div, diff;
2239                 mult = frequency - lfrequency[ichain];
2240                 div = hfrequency[ichain] - lfrequency[ichain];
2241 
2242                 diff = hcorrection[ichain] - lcorrection[ichain];
2243                 bf = 2 * diff * mult / div;
2244                 plus = (bf % 2);
2245                 factor = bf / 2;
2246                 correction[ichain] = lcorrection[ichain] + factor + plus;
2247 
2248                 diff = htemperature[ichain] - ltemperature[ichain];
2249                 bf = 2 * diff * mult / div;
2250                 plus = (bf % 2);
2251                 factor = bf / 2;
2252                 temperature[ichain] = ltemperature[ichain] + factor + plus;
2253 
2254                 diff = hvoltage[ichain] - lvoltage[ichain];
2255                 bf = 2 * diff * mult / div;
2256                 plus = (bf % 2);
2257                 factor = bf / 2;
2258                 voltage[ichain] = lvoltage[ichain] + factor + plus;
2259             } else {
2260                 /* only low is good, use it */
2261                 correction[ichain] = lcorrection[ichain];
2262                 temperature[ichain] = ltemperature[ichain];
2263                 voltage[ichain] = lvoltage[ichain];
2264             }
2265         } else if (hfrequency[ichain] - frequency < 1000) {
2266             /* only high is good, use it */
2267             correction[ichain] = hcorrection[ichain];
2268             temperature[ichain] = htemperature[ichain];
2269             voltage[ichain] = hvoltage[ichain];
2270         } else {
2271             /* nothing is good, presume 0???? */
2272             correction[ichain] = 0;
2273             temperature[ichain] = 0;
2274             voltage[ichain] = 0;
2275         }
2276     }
2277 
2278     /* GreenTx isn't currently supported */
2279     /* GreenTx */
2280     if (ah->ah_config.ath_hal_sta_update_tx_pwr_enable) {
2281         if (AR_SREV_POSEIDON(ah)) {
2282             /* Get calibrated OLPC gain delta value for GreenTx */
2283             ahp->ah_db2[POSEIDON_STORED_REG_G2_OLPC_OFFSET] =
2284                 (u_int32_t) correction[0];
2285         }
2286     }
2287 
2288     ar9300_power_control_override(
2289         ah, frequency, correction, voltage, temperature);
2290     HALDEBUG(ah, HAL_DEBUG_EEPROM,
2291         "%s: for frequency=%d, calibration correction = %d %d %d\n",
2292          __func__, frequency, correction[0], correction[1], correction[2]);
2293 
2294     return 0;
2295 }
2296 
2297 int
2298 ar9300_power_control_override(struct ath_hal *ah, int frequency,
2299     int *correction, int *voltage, int *temperature)
2300 {
2301     int temp_slope = 0;
2302     int temp_slope_1 = 0;
2303     int temp_slope_2 = 0;
2304     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
2305     int32_t f[8], t[8],t1[3], t2[3];
2306 	int i;
2307 
2308     OS_REG_RMW(ah, AR_PHY_TPC_11_B0,
2309         (correction[0] << AR_PHY_TPC_OLPC_GAIN_DELTA_S),
2310         AR_PHY_TPC_OLPC_GAIN_DELTA);
2311     if (!AR_SREV_POSEIDON(ah)) {
2312         OS_REG_RMW(ah, AR_PHY_TPC_11_B1,
2313             (correction[1] << AR_PHY_TPC_OLPC_GAIN_DELTA_S),
2314             AR_PHY_TPC_OLPC_GAIN_DELTA);
2315         if (!AR_SREV_WASP(ah) && !AR_SREV_JUPITER(ah) && !AR_SREV_HONEYBEE(ah) ) {
2316             OS_REG_RMW(ah, AR_PHY_TPC_11_B2,
2317                 (correction[2] << AR_PHY_TPC_OLPC_GAIN_DELTA_S),
2318                 AR_PHY_TPC_OLPC_GAIN_DELTA);
2319         }
2320     }
2321     /*
2322      * enable open loop power control on chip
2323      */
2324     OS_REG_RMW(ah, AR_PHY_TPC_6_B0,
2325         (3 << AR_PHY_TPC_6_ERROR_EST_MODE_S), AR_PHY_TPC_6_ERROR_EST_MODE);
2326     if (!AR_SREV_POSEIDON(ah)) {
2327         OS_REG_RMW(ah, AR_PHY_TPC_6_B1,
2328             (3 << AR_PHY_TPC_6_ERROR_EST_MODE_S), AR_PHY_TPC_6_ERROR_EST_MODE);
2329         if (!AR_SREV_WASP(ah) && !AR_SREV_JUPITER(ah) && !AR_SREV_HONEYBEE(ah)  ) {
2330             OS_REG_RMW(ah, AR_PHY_TPC_6_B2,
2331                 (3 << AR_PHY_TPC_6_ERROR_EST_MODE_S),
2332                 AR_PHY_TPC_6_ERROR_EST_MODE);
2333         }
2334     }
2335 
2336     /*
2337      * Enable temperature compensation
2338      * Need to use register names
2339      */
2340     if (frequency < 4000) {
2341         temp_slope = eep->modal_header_2g.temp_slope;
2342     } else {
2343 		if ((eep->base_eep_header.misc_configuration & 0x20) != 0)
2344 		{
2345 				for(i=0;i<8;i++)
2346 				{
2347 					t[i]=eep->base_ext1.tempslopextension[i];
2348 					f[i]=FBIN2FREQ(eep->cal_freq_pier_5g[i], 0);
2349 				}
2350 				temp_slope=interpolate(frequency,f,t,8);
2351 		}
2352 		else
2353 		{
2354         if(!AR_SREV_SCORPION(ah)) {
2355           if (eep->base_ext2.temp_slope_low != 0) {
2356              t[0] = eep->base_ext2.temp_slope_low;
2357              f[0] = 5180;
2358              t[1] = eep->modal_header_5g.temp_slope;
2359              f[1] = 5500;
2360              t[2] = eep->base_ext2.temp_slope_high;
2361              f[2] = 5785;
2362              temp_slope = interpolate(frequency, f, t, 3);
2363            } else {
2364              temp_slope = eep->modal_header_5g.temp_slope;
2365            }
2366          } else {
2367             /*
2368              * Scorpion has individual chain tempslope values
2369              */
2370              t[0] = eep->base_ext1.tempslopextension[2];
2371              t1[0]= eep->base_ext1.tempslopextension[3];
2372              t2[0]= eep->base_ext1.tempslopextension[4];
2373              f[0] = 5180;
2374              t[1] = eep->modal_header_5g.temp_slope;
2375              t1[1]= eep->base_ext1.tempslopextension[0];
2376              t2[1]= eep->base_ext1.tempslopextension[1];
2377              f[1] = 5500;
2378              t[2] = eep->base_ext1.tempslopextension[5];
2379              t1[2]= eep->base_ext1.tempslopextension[6];
2380              t2[2]= eep->base_ext1.tempslopextension[7];
2381              f[2] = 5785;
2382              temp_slope = interpolate(frequency, f, t, 3);
2383              temp_slope_1=interpolate(frequency, f, t1,3);
2384              temp_slope_2=interpolate(frequency, f, t2,3);
2385        }
2386 	 }
2387   }
2388 
2389     if (!AR_SREV_SCORPION(ah) && !AR_SREV_HONEYBEE(ah)) {
2390         OS_REG_RMW_FIELD(ah,
2391             AR_PHY_TPC_19, AR_PHY_TPC_19_ALPHA_THERM, temp_slope);
2392     } else {
2393         /*Scorpion and Honeybee has tempSlope register for each chain*/
2394         /*Check whether temp_compensation feature is enabled or not*/
2395         if (eep->base_eep_header.feature_enable & 0x1){
2396 	    if(frequency < 4000) {
2397 		if (((eep->base_eep_header.txrx_mask & 0xf0) >> 4) & 0x1) {
2398 		    OS_REG_RMW_FIELD(ah,
2399 				    AR_PHY_TPC_19, AR_PHY_TPC_19_ALPHA_THERM,
2400 				    eep->base_ext2.temp_slope_low);
2401 		    }
2402 		if (((eep->base_eep_header.txrx_mask & 0xf0) >> 4) & 0x2) {
2403 		    OS_REG_RMW_FIELD(ah,
2404 				    AR_SCORPION_PHY_TPC_19_B1, AR_PHY_TPC_19_ALPHA_THERM,
2405 				    temp_slope);
2406 		    }
2407 		if (((eep->base_eep_header.txrx_mask & 0xf0) >> 4) & 0x4) {
2408 		    OS_REG_RMW_FIELD(ah,
2409 				    AR_SCORPION_PHY_TPC_19_B2, AR_PHY_TPC_19_ALPHA_THERM,
2410 				    eep->base_ext2.temp_slope_high);
2411 		     }
2412 	    } else {
2413 		if (((eep->base_eep_header.txrx_mask & 0xf0) >> 4) & 0x1) {
2414 		    OS_REG_RMW_FIELD(ah,
2415 				    AR_PHY_TPC_19, AR_PHY_TPC_19_ALPHA_THERM,
2416 				    temp_slope);
2417 			}
2418 		if (((eep->base_eep_header.txrx_mask & 0xf0) >> 4) & 0x2) {
2419 		    OS_REG_RMW_FIELD(ah,
2420 				    AR_SCORPION_PHY_TPC_19_B1, AR_PHY_TPC_19_ALPHA_THERM,
2421 				    temp_slope_1);
2422 		}
2423 		if (((eep->base_eep_header.txrx_mask & 0xf0) >> 4) & 0x4) {
2424 		    OS_REG_RMW_FIELD(ah,
2425 				    AR_SCORPION_PHY_TPC_19_B2, AR_PHY_TPC_19_ALPHA_THERM,
2426 				    temp_slope_2);
2427 			}
2428 	    }
2429         }else {
2430         	/* If temp compensation is not enabled, set all registers to 0*/
2431 		if (((eep->base_eep_header.txrx_mask & 0xf0) >> 4) & 0x1) {
2432             OS_REG_RMW_FIELD(ah,
2433                 AR_PHY_TPC_19, AR_PHY_TPC_19_ALPHA_THERM, 0);
2434 		    }
2435 		if (((eep->base_eep_header.txrx_mask & 0xf0) >> 4) & 0x2) {
2436             OS_REG_RMW_FIELD(ah,
2437                 AR_SCORPION_PHY_TPC_19_B1, AR_PHY_TPC_19_ALPHA_THERM, 0);
2438 		    }
2439 		if (((eep->base_eep_header.txrx_mask & 0xf0) >> 4) & 0x4) {
2440             OS_REG_RMW_FIELD(ah,
2441                 AR_SCORPION_PHY_TPC_19_B2, AR_PHY_TPC_19_ALPHA_THERM, 0);
2442 		}
2443         }
2444     }
2445     OS_REG_RMW_FIELD(ah,
2446         AR_PHY_TPC_18, AR_PHY_TPC_18_THERM_CAL_VALUE, temperature[0]);
2447 
2448     return 0;
2449 }
2450 
2451 /**************************************************************
2452  * ar9300_eep_def_get_max_edge_power
2453  *
2454  * Find the maximum conformance test limit for the given channel and CTL info
2455  */
2456 static inline u_int16_t
2457 ar9300_eep_def_get_max_edge_power(ar9300_eeprom_t *p_eep_data, u_int16_t freq,
2458     int idx, HAL_BOOL is_2ghz)
2459 {
2460     u_int16_t twice_max_edge_power = AR9300_MAX_RATE_POWER;
2461     u_int8_t *ctl_freqbin = is_2ghz ?
2462         &p_eep_data->ctl_freqbin_2G[idx][0] :
2463         &p_eep_data->ctl_freqbin_5G[idx][0];
2464     u_int16_t num_edges = is_2ghz ?
2465         OSPREY_NUM_BAND_EDGES_2G : OSPREY_NUM_BAND_EDGES_5G;
2466     int i;
2467 
2468     /* Get the edge power */
2469     for (i = 0; (i < num_edges) && (ctl_freqbin[i] != AR9300_BCHAN_UNUSED); i++)
2470     {
2471         /*
2472          * If there's an exact channel match or an inband flag set
2473          * on the lower channel use the given rd_edge_power
2474          */
2475         if (freq == fbin2freq(ctl_freqbin[i], is_2ghz)) {
2476             if (is_2ghz) {
2477                 twice_max_edge_power =
2478                     p_eep_data->ctl_power_data_2g[idx].ctl_edges[i].t_power;
2479             } else {
2480                 twice_max_edge_power =
2481                     p_eep_data->ctl_power_data_5g[idx].ctl_edges[i].t_power;
2482             }
2483             break;
2484         } else if ((i > 0) && (freq < fbin2freq(ctl_freqbin[i], is_2ghz))) {
2485             if (is_2ghz) {
2486                 if (fbin2freq(ctl_freqbin[i - 1], 1) < freq &&
2487                     p_eep_data->ctl_power_data_2g[idx].ctl_edges[i - 1].flag)
2488                 {
2489                     twice_max_edge_power =
2490                         p_eep_data->ctl_power_data_2g[idx].
2491                             ctl_edges[i - 1].t_power;
2492                 }
2493             } else {
2494                 if (fbin2freq(ctl_freqbin[i - 1], 0) < freq &&
2495                     p_eep_data->ctl_power_data_5g[idx].ctl_edges[i - 1].flag)
2496                 {
2497                     twice_max_edge_power =
2498                         p_eep_data->ctl_power_data_5g[idx].
2499                             ctl_edges[i - 1].t_power;
2500                 }
2501             }
2502             /*
2503              * Leave loop - no more affecting edges possible
2504              * in this monotonic increasing list
2505              */
2506             break;
2507         }
2508     }
2509     /*
2510      * EV89475: EEPROM might contain 0 txpower in CTL table for certain
2511      * 2.4GHz channels. We workaround it by overwriting 60 (30 dBm) here.
2512      */
2513     if (is_2ghz && (twice_max_edge_power == 0)) {
2514         twice_max_edge_power = 60;
2515     }
2516 
2517     HALASSERT(twice_max_edge_power > 0);
2518     return twice_max_edge_power;
2519 }
2520 
2521 HAL_BOOL
2522 ar9300_eeprom_set_power_per_rate_table(
2523     struct ath_hal *ah,
2524     ar9300_eeprom_t *p_eep_data,
2525     const struct ieee80211_channel *chan,
2526     u_int8_t *p_pwr_array,
2527     u_int16_t cfg_ctl,
2528     u_int16_t antenna_reduction,
2529     u_int16_t twice_max_regulatory_power,
2530     u_int16_t power_limit,
2531     u_int8_t chainmask)
2532 {
2533     /* Local defines to distinguish between extension and control CTL's */
2534 #define EXT_ADDITIVE (0x8000)
2535 #define CTL_11A_EXT (CTL_11A | EXT_ADDITIVE)
2536 #define CTL_11G_EXT (CTL_11G | EXT_ADDITIVE)
2537 #define CTL_11B_EXT (CTL_11B | EXT_ADDITIVE)
2538 #define REDUCE_SCALED_POWER_BY_TWO_CHAIN     6  /* 10*log10(2)*2 */
2539 #define REDUCE_SCALED_POWER_BY_THREE_CHAIN  10  /* 10*log10(3)*2 */
2540 #define PWRINCR_3_TO_1_CHAIN      9             /* 10*log(3)*2 */
2541 #define PWRINCR_3_TO_2_CHAIN      3             /* floor(10*log(3/2)*2) */
2542 #define PWRINCR_2_TO_1_CHAIN      6             /* 10*log(2)*2 */
2543 
2544     static const u_int16_t tp_scale_reduction_table[5] =
2545         { 0, 3, 6, 9, AR9300_MAX_RATE_POWER };
2546     int i;
2547     int16_t twice_largest_antenna;
2548     u_int16_t twice_antenna_reduction = 2*antenna_reduction ;
2549     int16_t scaled_power = 0, min_ctl_power, max_reg_allowed_power;
2550 #define SUB_NUM_CTL_MODES_AT_5G_40 2    /* excluding HT40, EXT-OFDM */
2551 #define SUB_NUM_CTL_MODES_AT_2G_40 3    /* excluding HT40, EXT-OFDM, EXT-CCK */
2552     u_int16_t ctl_modes_for11a[] =
2553         {CTL_11A, CTL_5GHT20, CTL_11A_EXT, CTL_5GHT40};
2554     u_int16_t ctl_modes_for11g[] =
2555         {CTL_11B, CTL_11G, CTL_2GHT20, CTL_11B_EXT, CTL_11G_EXT, CTL_2GHT40};
2556     u_int16_t num_ctl_modes, *p_ctl_mode, ctl_mode, freq;
2557     CHAN_CENTERS centers;
2558     int tx_chainmask;
2559     struct ath_hal_9300 *ahp = AH9300(ah);
2560     u_int8_t *ctl_index;
2561     u_int8_t ctl_num;
2562     u_int16_t twice_min_edge_power;
2563     u_int16_t twice_max_edge_power = AR9300_MAX_RATE_POWER;
2564 #ifdef	AH_DEBUG
2565     HAL_CHANNEL_INTERNAL *ichan = ath_hal_checkchannel(ah, chan);
2566 #endif
2567 
2568     if (chainmask)
2569         tx_chainmask = chainmask;
2570     else
2571         tx_chainmask = ahp->ah_tx_chainmaskopt ?
2572                             ahp->ah_tx_chainmaskopt :ahp->ah_tx_chainmask;
2573 
2574     ar9300_get_channel_centers(ah, chan, &centers);
2575 
2576 #if 1
2577     if (IEEE80211_IS_CHAN_2GHZ(chan)) {
2578         ahp->twice_antenna_gain = p_eep_data->modal_header_2g.antenna_gain;
2579     } else {
2580         ahp->twice_antenna_gain = p_eep_data->modal_header_5g.antenna_gain;
2581     }
2582 
2583 #else
2584     if (IEEE80211_IS_CHAN_2GHZ(chan)) {
2585         ahp->twice_antenna_gain = AH_MAX(p_eep_data->modal_header_2g.antenna_gain,
2586                                          AH_PRIVATE(ah)->ah_antenna_gain_2g);
2587     } else {
2588         ahp->twice_antenna_gain = AH_MAX(p_eep_data->modal_header_5g.antenna_gain,
2589                                          AH_PRIVATE(ah)->ah_antenna_gain_5g);
2590     }
2591 #endif
2592 
2593     /* Save max allowed antenna gain to ease future lookups */
2594     ahp->twice_antenna_reduction = twice_antenna_reduction;
2595 
2596     /*  Deduct antenna gain from  EIRP to get the upper limit */
2597     twice_largest_antenna = (int16_t)AH_MIN((twice_antenna_reduction -
2598                                        ahp->twice_antenna_gain), 0);
2599     max_reg_allowed_power = twice_max_regulatory_power + twice_largest_antenna;
2600 
2601     /* Use ah_tp_scale - see bug 30070. */
2602     if (AH_PRIVATE(ah)->ah_tpScale != HAL_TP_SCALE_MAX) {
2603         max_reg_allowed_power -=
2604             (tp_scale_reduction_table[(AH_PRIVATE(ah)->ah_tpScale)] * 2);
2605     }
2606 
2607     scaled_power = AH_MIN(power_limit, max_reg_allowed_power);
2608 
2609     /*
2610      * Reduce scaled Power by number of chains active to get to
2611      * per chain tx power level
2612      */
2613     /* TODO: better value than these? */
2614     switch (ar9300_get_ntxchains(tx_chainmask)) {
2615     case 1:
2616         ahp->upper_limit[0] = AH_MAX(0, scaled_power);
2617         break;
2618     case 2:
2619         scaled_power -= REDUCE_SCALED_POWER_BY_TWO_CHAIN;
2620         ahp->upper_limit[1] = AH_MAX(0, scaled_power);
2621         break;
2622     case 3:
2623         scaled_power -= REDUCE_SCALED_POWER_BY_THREE_CHAIN;
2624         ahp->upper_limit[2] = AH_MAX(0, scaled_power);
2625         break;
2626     default:
2627         HALASSERT(0); /* Unsupported number of chains */
2628     }
2629 
2630     scaled_power = AH_MAX(0, scaled_power);
2631 
2632     /* Get target powers from EEPROM - our baseline for TX Power */
2633     if (IEEE80211_IS_CHAN_2GHZ(chan)) {
2634         /* Setup for CTL modes */
2635         /* CTL_11B, CTL_11G, CTL_2GHT20 */
2636         num_ctl_modes =
2637             ARRAY_LENGTH(ctl_modes_for11g) - SUB_NUM_CTL_MODES_AT_2G_40;
2638         p_ctl_mode = ctl_modes_for11g;
2639 
2640         if (IEEE80211_IS_CHAN_HT40(chan)) {
2641             num_ctl_modes = ARRAY_LENGTH(ctl_modes_for11g); /* All 2G CTL's */
2642         }
2643     } else {
2644         /* Setup for CTL modes */
2645         /* CTL_11A, CTL_5GHT20 */
2646         num_ctl_modes =
2647             ARRAY_LENGTH(ctl_modes_for11a) - SUB_NUM_CTL_MODES_AT_5G_40;
2648         p_ctl_mode = ctl_modes_for11a;
2649 
2650         if (IEEE80211_IS_CHAN_HT40(chan)) {
2651             num_ctl_modes = ARRAY_LENGTH(ctl_modes_for11a); /* All 5G CTL's */
2652         }
2653     }
2654 
2655     /*
2656      * For MIMO, need to apply regulatory caps individually across dynamically
2657      * running modes: CCK, OFDM, HT20, HT40
2658      *
2659      * The outer loop walks through each possible applicable runtime mode.
2660      * The inner loop walks through each ctl_index entry in EEPROM.
2661      * The ctl value is encoded as [7:4] == test group, [3:0] == test mode.
2662      *
2663      */
2664     for (ctl_mode = 0; ctl_mode < num_ctl_modes; ctl_mode++) {
2665         HAL_BOOL is_ht40_ctl_mode =
2666             (p_ctl_mode[ctl_mode] == CTL_5GHT40) ||
2667             (p_ctl_mode[ctl_mode] == CTL_2GHT40);
2668         if (is_ht40_ctl_mode) {
2669             freq = centers.synth_center;
2670         } else if (p_ctl_mode[ctl_mode] & EXT_ADDITIVE) {
2671             freq = centers.ext_center;
2672         } else {
2673             freq = centers.ctl_center;
2674         }
2675 
2676         HALDEBUG(ah, HAL_DEBUG_POWER_MGMT,
2677             "LOOP-Mode ctl_mode %d < %d, "
2678             "is_ht40_ctl_mode %d, EXT_ADDITIVE %d\n",
2679             ctl_mode, num_ctl_modes, is_ht40_ctl_mode,
2680             (p_ctl_mode[ctl_mode] & EXT_ADDITIVE));
2681         /* walk through each CTL index stored in EEPROM */
2682         if (IEEE80211_IS_CHAN_2GHZ(chan)) {
2683             ctl_index = p_eep_data->ctl_index_2g;
2684             ctl_num = OSPREY_NUM_CTLS_2G;
2685         } else {
2686             ctl_index = p_eep_data->ctl_index_5g;
2687             ctl_num = OSPREY_NUM_CTLS_5G;
2688         }
2689 
2690         for (i = 0; (i < ctl_num) && ctl_index[i]; i++) {
2691             HALDEBUG(ah, HAL_DEBUG_POWER_MGMT,
2692                 "  LOOP-Ctlidx %d: cfg_ctl 0x%2.2x p_ctl_mode 0x%2.2x "
2693                 "ctl_index 0x%2.2x chan %d chanctl 0x%x\n",
2694                 i, cfg_ctl, p_ctl_mode[ctl_mode], ctl_index[i],
2695                 ichan->channel, ath_hal_getctl(ah, chan));
2696 
2697 
2698             /*
2699              * compare test group from regulatory channel list
2700              * with test mode from p_ctl_mode list
2701              */
2702             if ((((cfg_ctl & ~CTL_MODE_M) |
2703                   (p_ctl_mode[ctl_mode] & CTL_MODE_M)) == ctl_index[i]) ||
2704                 (((cfg_ctl & ~CTL_MODE_M) |
2705                   (p_ctl_mode[ctl_mode] & CTL_MODE_M)) ==
2706                  ((ctl_index[i] & CTL_MODE_M) | SD_NO_CTL)))
2707             {
2708                 twice_min_edge_power =
2709                     ar9300_eep_def_get_max_edge_power(
2710                         p_eep_data, freq, i, IEEE80211_IS_CHAN_2GHZ(chan));
2711 
2712                 HALDEBUG(ah, HAL_DEBUG_POWER_MGMT,
2713                     "    MATCH-EE_IDX %d: ch %d is2 %d "
2714                     "2xMinEdge %d chainmask %d chains %d\n",
2715                     i, freq, IEEE80211_IS_CHAN_2GHZ(chan),
2716                     twice_min_edge_power, tx_chainmask,
2717                     ar9300_get_ntxchains(tx_chainmask));
2718 
2719                 if ((cfg_ctl & ~CTL_MODE_M) == SD_NO_CTL) {
2720                     /*
2721                      * Find the minimum of all CTL edge powers
2722                      * that apply to this channel
2723                      */
2724                     twice_max_edge_power =
2725                         AH_MIN(twice_max_edge_power, twice_min_edge_power);
2726                 } else {
2727                     /* specific */
2728                     twice_max_edge_power = twice_min_edge_power;
2729                     break;
2730                 }
2731             }
2732         }
2733 
2734         min_ctl_power = (u_int8_t)AH_MIN(twice_max_edge_power, scaled_power);
2735 
2736         HALDEBUG(ah, HAL_DEBUG_POWER_MGMT,
2737             "    SEL-Min ctl_mode %d p_ctl_mode %d "
2738             "2xMaxEdge %d sP %d min_ctl_pwr %d\n",
2739             ctl_mode, p_ctl_mode[ctl_mode],
2740             twice_max_edge_power, scaled_power, min_ctl_power);
2741 
2742         /* Apply ctl mode to correct target power set */
2743         switch (p_ctl_mode[ctl_mode]) {
2744         case CTL_11B:
2745             for (i = ALL_TARGET_LEGACY_1L_5L; i <= ALL_TARGET_LEGACY_11S; i++) {
2746                 p_pwr_array[i] =
2747                     (u_int8_t)AH_MIN(p_pwr_array[i], min_ctl_power);
2748             }
2749             break;
2750         case CTL_11A:
2751         case CTL_11G:
2752             for (i = ALL_TARGET_LEGACY_6_24; i <= ALL_TARGET_LEGACY_54; i++) {
2753                 p_pwr_array[i] =
2754                     (u_int8_t)AH_MIN(p_pwr_array[i], min_ctl_power);
2755 #ifdef ATH_BT_COEX
2756                 if ((ahp->ah_bt_coex_config_type == HAL_BT_COEX_CFG_3WIRE) ||
2757                     (ahp->ah_bt_coex_config_type == HAL_BT_COEX_CFG_MCI))
2758                 {
2759                     if ((ahp->ah_bt_coex_flag & HAL_BT_COEX_FLAG_LOWER_TX_PWR)
2760                         && (ahp->ah_bt_wlan_isolation
2761                          < HAL_BT_COEX_ISOLATION_FOR_NO_COEX))
2762                     {
2763 
2764                         u_int8_t reduce_pow;
2765 
2766                         reduce_pow = (HAL_BT_COEX_ISOLATION_FOR_NO_COEX
2767                                      - ahp->ah_bt_wlan_isolation) << 1;
2768 
2769                         if (reduce_pow <= p_pwr_array[i]) {
2770                             p_pwr_array[i] -= reduce_pow;
2771                         }
2772                     }
2773                     if ((ahp->ah_bt_coex_flag &
2774                           HAL_BT_COEX_FLAG_LOW_ACK_PWR) &&
2775                           (i != ALL_TARGET_LEGACY_36) &&
2776                           (i != ALL_TARGET_LEGACY_48) &&
2777                           (i != ALL_TARGET_LEGACY_54) &&
2778                           (p_ctl_mode[ctl_mode] == CTL_11G))
2779                     {
2780                         p_pwr_array[i] = 0;
2781                     }
2782                 }
2783 #endif
2784             }
2785             break;
2786         case CTL_5GHT20:
2787         case CTL_2GHT20:
2788             for (i = ALL_TARGET_HT20_0_8_16; i <= ALL_TARGET_HT20_23; i++) {
2789                 p_pwr_array[i] =
2790                     (u_int8_t)AH_MIN(p_pwr_array[i], min_ctl_power);
2791 #ifdef ATH_BT_COEX
2792                 if (((ahp->ah_bt_coex_config_type == HAL_BT_COEX_CFG_3WIRE) ||
2793                      (ahp->ah_bt_coex_config_type == HAL_BT_COEX_CFG_MCI)) &&
2794                     (ahp->ah_bt_coex_flag & HAL_BT_COEX_FLAG_LOWER_TX_PWR) &&
2795                     (ahp->ah_bt_wlan_isolation
2796                         < HAL_BT_COEX_ISOLATION_FOR_NO_COEX)) {
2797 
2798                     u_int8_t reduce_pow = (HAL_BT_COEX_ISOLATION_FOR_NO_COEX
2799                                            - ahp->ah_bt_wlan_isolation) << 1;
2800 
2801                     if (reduce_pow <= p_pwr_array[i]) {
2802                         p_pwr_array[i] -= reduce_pow;
2803                     }
2804                 }
2805 #if ATH_SUPPORT_MCI
2806                 else if ((ahp->ah_bt_coex_flag &
2807                           HAL_BT_COEX_FLAG_MCI_MAX_TX_PWR) &&
2808                          (p_ctl_mode[ctl_mode] == CTL_2GHT20) &&
2809                          (ahp->ah_bt_coex_config_type == HAL_BT_COEX_CFG_MCI))
2810                 {
2811                     u_int8_t max_pwr;
2812 
2813                     max_pwr = MS(mci_concur_tx_max_pwr[2][1],
2814                                  ATH_MCI_CONCUR_TX_LOWEST_PWR_MASK);
2815                     if (p_pwr_array[i] > max_pwr) {
2816                         p_pwr_array[i] = max_pwr;
2817                     }
2818                 }
2819 #endif
2820 #endif
2821             }
2822             break;
2823         case CTL_11B_EXT:
2824 #ifdef NOT_YET
2825             target_power_cck_ext.t_pow2x[0] = (u_int8_t)
2826                 AH_MIN(target_power_cck_ext.t_pow2x[0], min_ctl_power);
2827 #endif /* NOT_YET */
2828             break;
2829         case CTL_11A_EXT:
2830         case CTL_11G_EXT:
2831 #ifdef NOT_YET
2832             target_power_ofdm_ext.t_pow2x[0] = (u_int8_t)
2833                 AH_MIN(target_power_ofdm_ext.t_pow2x[0], min_ctl_power);
2834 #endif /* NOT_YET */
2835             break;
2836         case CTL_5GHT40:
2837         case CTL_2GHT40:
2838             for (i = ALL_TARGET_HT40_0_8_16; i <= ALL_TARGET_HT40_23; i++) {
2839                 p_pwr_array[i] = (u_int8_t)
2840                     AH_MIN(p_pwr_array[i], min_ctl_power);
2841 #ifdef ATH_BT_COEX
2842                 if (((ahp->ah_bt_coex_config_type == HAL_BT_COEX_CFG_3WIRE) ||
2843                      (ahp->ah_bt_coex_config_type == HAL_BT_COEX_CFG_MCI)) &&
2844                     (ahp->ah_bt_coex_flag & HAL_BT_COEX_FLAG_LOWER_TX_PWR) &&
2845                     (ahp->ah_bt_wlan_isolation
2846                         < HAL_BT_COEX_ISOLATION_FOR_NO_COEX)) {
2847 
2848                     u_int8_t reduce_pow = (HAL_BT_COEX_ISOLATION_FOR_NO_COEX
2849                                               - ahp->ah_bt_wlan_isolation) << 1;
2850 
2851                     if (reduce_pow <= p_pwr_array[i]) {
2852                         p_pwr_array[i] -= reduce_pow;
2853                     }
2854                 }
2855 #if ATH_SUPPORT_MCI
2856                 else if ((ahp->ah_bt_coex_flag &
2857                           HAL_BT_COEX_FLAG_MCI_MAX_TX_PWR) &&
2858                          (p_ctl_mode[ctl_mode] == CTL_2GHT40) &&
2859                          (ahp->ah_bt_coex_config_type == HAL_BT_COEX_CFG_MCI))
2860                 {
2861                     u_int8_t max_pwr;
2862 
2863                     max_pwr = MS(mci_concur_tx_max_pwr[3][1],
2864                                  ATH_MCI_CONCUR_TX_LOWEST_PWR_MASK);
2865                     if (p_pwr_array[i] > max_pwr) {
2866                         p_pwr_array[i] = max_pwr;
2867                     }
2868                 }
2869 #endif
2870 #endif
2871             }
2872             break;
2873         default:
2874             HALASSERT(0);
2875             break;
2876         }
2877     } /* end ctl mode checking */
2878 
2879     return AH_TRUE;
2880 #undef EXT_ADDITIVE
2881 #undef CTL_11A_EXT
2882 #undef CTL_11G_EXT
2883 #undef CTL_11B_EXT
2884 #undef REDUCE_SCALED_POWER_BY_TWO_CHAIN
2885 #undef REDUCE_SCALED_POWER_BY_THREE_CHAIN
2886 }
2887 
2888 /**************************************************************
2889  * ar9300_eeprom_set_transmit_power
2890  *
2891  * Set the transmit power in the baseband for the given
2892  * operating channel and mode.
2893  */
2894 HAL_STATUS
2895 ar9300_eeprom_set_transmit_power(struct ath_hal *ah,
2896     ar9300_eeprom_t *p_eep_data, const struct ieee80211_channel *chan, u_int16_t cfg_ctl,
2897     u_int16_t antenna_reduction, u_int16_t twice_max_regulatory_power,
2898     u_int16_t power_limit)
2899 {
2900 #define ABS(_x, _y) ((int)_x > (int)_y ? (int)_x - (int)_y : (int)_y - (int)_x)
2901 #define INCREASE_MAXPOW_BY_TWO_CHAIN     6  /* 10*log10(2)*2 */
2902 #define INCREASE_MAXPOW_BY_THREE_CHAIN   10 /* 10*log10(3)*2 */
2903     u_int8_t target_power_val_t2[ar9300_rate_size];
2904     u_int8_t target_power_val_t2_eep[ar9300_rate_size];
2905     int16_t twice_array_gain = 0, max_power_level = 0;
2906     struct ath_hal_9300 *ahp = AH9300(ah);
2907     int  i = 0;
2908     u_int32_t tmp_paprd_rate_mask = 0, *tmp_ptr = NULL;
2909     int      paprd_scale_factor = 5;
2910     HAL_CHANNEL_INTERNAL *ichan = ath_hal_checkchannel(ah, chan);
2911 
2912     u_int8_t *ptr_mcs_rate2power_table_index;
2913     u_int8_t mcs_rate2power_table_index_ht20[24] =
2914     {
2915         ALL_TARGET_HT20_0_8_16,
2916         ALL_TARGET_HT20_1_3_9_11_17_19,
2917         ALL_TARGET_HT20_1_3_9_11_17_19,
2918         ALL_TARGET_HT20_1_3_9_11_17_19,
2919         ALL_TARGET_HT20_4,
2920         ALL_TARGET_HT20_5,
2921         ALL_TARGET_HT20_6,
2922         ALL_TARGET_HT20_7,
2923         ALL_TARGET_HT20_0_8_16,
2924         ALL_TARGET_HT20_1_3_9_11_17_19,
2925         ALL_TARGET_HT20_1_3_9_11_17_19,
2926         ALL_TARGET_HT20_1_3_9_11_17_19,
2927         ALL_TARGET_HT20_12,
2928         ALL_TARGET_HT20_13,
2929         ALL_TARGET_HT20_14,
2930         ALL_TARGET_HT20_15,
2931         ALL_TARGET_HT20_0_8_16,
2932         ALL_TARGET_HT20_1_3_9_11_17_19,
2933         ALL_TARGET_HT20_1_3_9_11_17_19,
2934         ALL_TARGET_HT20_1_3_9_11_17_19,
2935         ALL_TARGET_HT20_20,
2936         ALL_TARGET_HT20_21,
2937         ALL_TARGET_HT20_22,
2938         ALL_TARGET_HT20_23
2939     };
2940 
2941     u_int8_t mcs_rate2power_table_index_ht40[24] =
2942     {
2943         ALL_TARGET_HT40_0_8_16,
2944         ALL_TARGET_HT40_1_3_9_11_17_19,
2945         ALL_TARGET_HT40_1_3_9_11_17_19,
2946         ALL_TARGET_HT40_1_3_9_11_17_19,
2947         ALL_TARGET_HT40_4,
2948         ALL_TARGET_HT40_5,
2949         ALL_TARGET_HT40_6,
2950         ALL_TARGET_HT40_7,
2951         ALL_TARGET_HT40_0_8_16,
2952         ALL_TARGET_HT40_1_3_9_11_17_19,
2953         ALL_TARGET_HT40_1_3_9_11_17_19,
2954         ALL_TARGET_HT40_1_3_9_11_17_19,
2955         ALL_TARGET_HT40_12,
2956         ALL_TARGET_HT40_13,
2957         ALL_TARGET_HT40_14,
2958         ALL_TARGET_HT40_15,
2959         ALL_TARGET_HT40_0_8_16,
2960         ALL_TARGET_HT40_1_3_9_11_17_19,
2961         ALL_TARGET_HT40_1_3_9_11_17_19,
2962         ALL_TARGET_HT40_1_3_9_11_17_19,
2963         ALL_TARGET_HT40_20,
2964         ALL_TARGET_HT40_21,
2965         ALL_TARGET_HT40_22,
2966         ALL_TARGET_HT40_23,
2967     };
2968 
2969     HALDEBUG(ah, HAL_DEBUG_CALIBRATE,
2970         "%s[%d] +++chan %d,cfgctl 0x%04x  "
2971         "antenna_reduction 0x%04x, twice_max_regulatory_power 0x%04x "
2972         "power_limit 0x%04x\n",
2973         __func__, __LINE__, ichan->channel, cfg_ctl,
2974         antenna_reduction, twice_max_regulatory_power, power_limit);
2975     ar9300_set_target_power_from_eeprom(ah, ichan->channel, target_power_val_t2);
2976 
2977     if (ar9300_eeprom_get(ahp, EEP_PAPRD_ENABLED)) {
2978         if (IEEE80211_IS_CHAN_2GHZ(chan)) {
2979             if (IEEE80211_IS_CHAN_HT40(chan)) {
2980                 tmp_paprd_rate_mask =
2981                     p_eep_data->modal_header_2g.paprd_rate_mask_ht40;
2982                 tmp_ptr = &AH9300(ah)->ah_2g_paprd_rate_mask_ht40;
2983             } else {
2984                 tmp_paprd_rate_mask =
2985                     p_eep_data->modal_header_2g.paprd_rate_mask_ht20;
2986                 tmp_ptr = &AH9300(ah)->ah_2g_paprd_rate_mask_ht20;
2987             }
2988         } else {
2989             if (IEEE80211_IS_CHAN_HT40(chan)) {
2990                 tmp_paprd_rate_mask =
2991                     p_eep_data->modal_header_5g.paprd_rate_mask_ht40;
2992                 tmp_ptr = &AH9300(ah)->ah_5g_paprd_rate_mask_ht40;
2993             } else {
2994                 tmp_paprd_rate_mask =
2995                     p_eep_data->modal_header_5g.paprd_rate_mask_ht20;
2996                 tmp_ptr = &AH9300(ah)->ah_5g_paprd_rate_mask_ht20;
2997             }
2998         }
2999         AH_PAPRD_GET_SCALE_FACTOR(
3000             paprd_scale_factor, p_eep_data, IEEE80211_IS_CHAN_2GHZ(chan), ichan->channel);
3001         HALDEBUG(ah, HAL_DEBUG_CALIBRATE, "%s[%d] paprd_scale_factor %d\n",
3002             __func__, __LINE__, paprd_scale_factor);
3003         /* PAPRD is not done yet, Scale down the EEP power */
3004         if (IEEE80211_IS_CHAN_HT40(chan)) {
3005             ptr_mcs_rate2power_table_index =
3006                 &mcs_rate2power_table_index_ht40[0];
3007         } else {
3008             ptr_mcs_rate2power_table_index =
3009                 &mcs_rate2power_table_index_ht20[0];
3010         }
3011         if (! ichan->paprd_table_write_done) {
3012             for (i = 0;  i < 24; i++) {
3013                 /* PAPRD is done yet, so Scale down Power for PAPRD Rates*/
3014                 if (tmp_paprd_rate_mask & (1 << i)) {
3015                     target_power_val_t2[ptr_mcs_rate2power_table_index[i]] -=
3016                         paprd_scale_factor;
3017                     HALDEBUG(ah, HAL_DEBUG_CALIBRATE,
3018                         "%s[%d]: Chan %d "
3019                         "Scale down target_power_val_t2[%d] = 0x%04x\n",
3020                         __func__, __LINE__,
3021                         ichan->channel, i, target_power_val_t2[i]);
3022                 }
3023             }
3024         } else {
3025             HALDEBUG(ah, HAL_DEBUG_CALIBRATE,
3026                 "%s[%d]: PAPRD Done No TGT PWR Scaling\n", __func__, __LINE__);
3027         }
3028     }
3029 
3030     /* Save the Target power for future use */
3031     OS_MEMCPY(target_power_val_t2_eep, target_power_val_t2,
3032                                    sizeof(target_power_val_t2));
3033     ar9300_eeprom_set_power_per_rate_table(ah, p_eep_data, chan,
3034                                      target_power_val_t2, cfg_ctl,
3035                                      antenna_reduction,
3036                                      twice_max_regulatory_power,
3037                                      power_limit, 0);
3038 
3039     /* Save this for quick lookup */
3040     ahp->reg_dmn = ath_hal_getctl(ah, chan);
3041 
3042     /*
3043      * Always use CDD/direct per rate power table for register based approach.
3044      * For FCC, CDD calculations should factor in the array gain, hence
3045      * this adjust call. ETSI and MKK does not have this requirement.
3046      */
3047     if (is_reg_dmn_fcc(ahp->reg_dmn)) {
3048         HALDEBUG(ah, HAL_DEBUG_CALIBRATE,
3049             "%s: FCC regdomain, calling reg_txpower_cdd\n",
3050             __func__);
3051         ar9300_adjust_reg_txpower_cdd(ah, target_power_val_t2);
3052     }
3053 
3054     if (ar9300_eeprom_get(ahp, EEP_PAPRD_ENABLED)) {
3055         for (i = 0;  i < ar9300_rate_size; i++) {
3056             /*
3057              * EEPROM TGT PWR is not same as current TGT PWR,
3058              * so Disable PAPRD for this rate.
3059              * Some of APs might ask to reduce Target Power,
3060              * if target power drops significantly,
3061              * disable PAPRD for that rate.
3062              */
3063             if (tmp_paprd_rate_mask & (1 << i)) {
3064                 if (ABS(target_power_val_t2_eep[i], target_power_val_t2[i]) >
3065                     paprd_scale_factor)
3066                 {
3067                     tmp_paprd_rate_mask &= ~(1 << i);
3068                     HALDEBUG(ah, HAL_DEBUG_CALIBRATE,
3069                         "%s: EEP TPC[%02d] 0x%08x "
3070                         "Curr TPC[%02d] 0x%08x mask = 0x%08x\n",
3071                         __func__, i, target_power_val_t2_eep[i], i,
3072                         target_power_val_t2[i], tmp_paprd_rate_mask);
3073                 }
3074             }
3075 
3076         }
3077         HALDEBUG(ah, HAL_DEBUG_CALIBRATE,
3078             "%s: Chan %d After tmp_paprd_rate_mask = 0x%08x\n",
3079             __func__, ichan->channel, tmp_paprd_rate_mask);
3080         if (tmp_ptr) {
3081             *tmp_ptr = tmp_paprd_rate_mask;
3082         }
3083     }
3084 
3085     /* Write target power array to registers */
3086     ar9300_transmit_power_reg_write(ah, target_power_val_t2);
3087 
3088     /* Write target power for self generated frames to the TPC register */
3089     ar9300_selfgen_tpc_reg_write(ah, chan, target_power_val_t2);
3090 
3091     /* GreenTx or Paprd */
3092     if (ah->ah_config.ath_hal_sta_update_tx_pwr_enable ||
3093         AH_PRIVATE(ah)->ah_caps.halPaprdEnabled)
3094     {
3095         if (AR_SREV_POSEIDON(ah)) {
3096             /*For HAL_RSSI_TX_POWER_NONE array*/
3097             OS_MEMCPY(ahp->ah_default_tx_power,
3098                 target_power_val_t2,
3099                 sizeof(target_power_val_t2));
3100             /* Get defautl tx related register setting for GreenTx */
3101             /* Record OB/DB */
3102             ahp->ah_ob_db1[POSEIDON_STORED_REG_OBDB] =
3103                 OS_REG_READ(ah, AR_PHY_65NM_CH0_TXRF2);
3104             /* Record TPC settting */
3105             ahp->ah_ob_db1[POSEIDON_STORED_REG_TPC] =
3106                 OS_REG_READ(ah, AR_TPC);
3107             /* Record BB_powertx_rate9 setting */
3108             ahp->ah_ob_db1[POSEIDON_STORED_REG_BB_PWRTX_RATE9] =
3109                 OS_REG_READ(ah, AR_PHY_BB_POWERTX_RATE9);
3110         }
3111     }
3112 
3113     /*
3114      * Return tx power used to iwconfig.
3115      * Since power is rate dependent, use one of the indices from the
3116      * AR9300_Rates enum to select an entry from target_power_val_t2[]
3117      * to report.
3118      * Currently returns the power for HT40 MCS 0, HT20 MCS 0, or OFDM 6 Mbps
3119      * as CCK power is less interesting (?).
3120      */
3121     i = ALL_TARGET_LEGACY_6_24;         /* legacy */
3122     if (IEEE80211_IS_CHAN_HT40(chan)) {
3123         i = ALL_TARGET_HT40_0_8_16;     /* ht40 */
3124     } else if (IEEE80211_IS_CHAN_HT20(chan)) {
3125         i = ALL_TARGET_HT20_0_8_16;     /* ht20 */
3126     }
3127     max_power_level = target_power_val_t2[i];
3128     /* Adjusting the ah_max_power_level based on chains and antennaGain*/
3129     switch (ar9300_get_ntxchains(((ahp->ah_tx_chainmaskopt > 0) ?
3130                                     ahp->ah_tx_chainmaskopt : ahp->ah_tx_chainmask)))
3131     {
3132         case 1:
3133             break;
3134         case 2:
3135             twice_array_gain = (ahp->twice_antenna_gain >= ahp->twice_antenna_reduction)? 0:
3136                                ((int16_t)AH_MIN((ahp->twice_antenna_reduction -
3137                                    (ahp->twice_antenna_gain + INCREASE_MAXPOW_BY_TWO_CHAIN)), 0));
3138             /* Adjusting maxpower with antennaGain */
3139             max_power_level -= twice_array_gain;
3140             /* Adjusting maxpower based on chain */
3141             max_power_level += INCREASE_MAXPOW_BY_TWO_CHAIN;
3142             break;
3143         case 3:
3144             twice_array_gain = (ahp->twice_antenna_gain >= ahp->twice_antenna_reduction)? 0:
3145                                ((int16_t)AH_MIN((ahp->twice_antenna_reduction -
3146                                    (ahp->twice_antenna_gain + INCREASE_MAXPOW_BY_THREE_CHAIN)), 0));
3147 
3148             /* Adjusting maxpower with antennaGain */
3149             max_power_level -= twice_array_gain;
3150             /* Adjusting maxpower based on chain */
3151             max_power_level += INCREASE_MAXPOW_BY_THREE_CHAIN;
3152             break;
3153         default:
3154             HALASSERT(0); /* Unsupported number of chains */
3155     }
3156     AH_PRIVATE(ah)->ah_maxPowerLevel = (int8_t)max_power_level;
3157 
3158     ar9300_calibration_apply(ah, ichan->channel);
3159 #undef ABS
3160 
3161     /* Handle per packet TPC initializations */
3162     if (ah->ah_config.ath_hal_desc_tpc) {
3163         /* Transmit Power per-rate per-chain  are  computed here. A separate
3164          * power table is maintained for different MIMO modes (i.e. TXBF ON,
3165          * STBC) to enable easy lookup during packet transmit.
3166          * The reason for maintaing each of these tables per chain is that
3167          * the transmit power used for different number of chains is different
3168          * depending on whether the power has been limited by the target power,
3169          * the regulatory domain  or the CTL limits.
3170          */
3171         u_int mode = ath_hal_get_curmode(ah, chan);
3172         u_int32_t val = 0;
3173         u_int8_t chainmasks[AR9300_MAX_CHAINS] =
3174             {OSPREY_1_CHAINMASK, OSPREY_2LOHI_CHAINMASK, OSPREY_3_CHAINMASK};
3175         for (i = 0; i < AR9300_MAX_CHAINS; i++) {
3176             OS_MEMCPY(target_power_val_t2, target_power_val_t2_eep,
3177                                    sizeof(target_power_val_t2_eep));
3178             ar9300_eeprom_set_power_per_rate_table(ah, p_eep_data, chan,
3179                                      target_power_val_t2, cfg_ctl,
3180                                      antenna_reduction,
3181                                      twice_max_regulatory_power,
3182                                      power_limit, chainmasks[i]);
3183             HALDEBUG(ah, HAL_DEBUG_POWER_MGMT,
3184                  " Channel = %d Chainmask = %d, Upper Limit = [%2d.%1d dBm]\n",
3185                                        ichan->channel, i, ahp->upper_limit[i]/2,
3186                                        ahp->upper_limit[i]%2 * 5);
3187             ar9300_init_rate_txpower(ah, mode, chan, target_power_val_t2,
3188                                                            chainmasks[i]);
3189 
3190         }
3191 
3192         /* Enable TPC */
3193         OS_REG_WRITE(ah, AR_PHY_PWRTX_MAX, AR_PHY_PWRTX_MAX_TPC_ENABLE);
3194         /*
3195          * Disable per chain power reduction since we are already
3196          * accounting for this in our calculations
3197          */
3198         val = OS_REG_READ(ah, AR_PHY_POWER_TX_SUB);
3199         if (AR_SREV_WASP(ah)) {
3200             OS_REG_WRITE(ah, AR_PHY_POWER_TX_SUB,
3201                        val & AR_PHY_POWER_TX_SUB_2_DISABLE);
3202         } else {
3203             OS_REG_WRITE(ah, AR_PHY_POWER_TX_SUB,
3204                        val & AR_PHY_POWER_TX_SUB_3_DISABLE);
3205         }
3206     }
3207 
3208     return HAL_OK;
3209 }
3210 
3211 /**************************************************************
3212  * ar9300_eeprom_set_addac
3213  *
3214  * Set the ADDAC from eeprom.
3215  */
3216 void
3217 ar9300_eeprom_set_addac(struct ath_hal *ah, struct ieee80211_channel *chan)
3218 {
3219 
3220     HALDEBUG(AH_NULL, HAL_DEBUG_UNMASKABLE,
3221                  "FIXME: ar9300_eeprom_def_set_addac called\n");
3222 #if 0
3223     MODAL_EEPDEF_HEADER *p_modal;
3224     struct ath_hal_9300 *ahp = AH9300(ah);
3225     ar9300_eeprom_t *eep = &ahp->ah_eeprom.def;
3226     u_int8_t biaslevel;
3227 
3228     if (AH_PRIVATE(ah)->ah_macVersion != AR_SREV_VERSION_SOWL) {
3229         return;
3230     }
3231 
3232     HALASSERT(owl_get_eepdef_ver(ahp) == AR9300_EEP_VER);
3233 
3234     /* Xpa bias levels in eeprom are valid from rev 14.7 */
3235     if (owl_get_eepdef_rev(ahp) < AR9300_EEP_MINOR_VER_7) {
3236         return;
3237     }
3238 
3239     if (ahp->ah_emu_eeprom) {
3240         return;
3241     }
3242 
3243     p_modal = &(eep->modal_header[IEEE80211_IS_CHAN_2GHZ(chan)]);
3244 
3245     if (p_modal->xpa_bias_lvl != 0xff) {
3246         biaslevel = p_modal->xpa_bias_lvl;
3247     } else {
3248         /* Use freqeuncy specific xpa bias level */
3249         u_int16_t reset_freq_bin, freq_bin, freq_count = 0;
3250         CHAN_CENTERS centers;
3251 
3252         ar9300_get_channel_centers(ah, chan, &centers);
3253 
3254         reset_freq_bin = FREQ2FBIN(centers.synth_center, IEEE80211_IS_CHAN_2GHZ(chan));
3255         freq_bin = p_modal->xpa_bias_lvl_freq[0] & 0xff;
3256         biaslevel = (u_int8_t)(p_modal->xpa_bias_lvl_freq[0] >> 14);
3257 
3258         freq_count++;
3259 
3260         while (freq_count < 3) {
3261             if (p_modal->xpa_bias_lvl_freq[freq_count] == 0x0) {
3262                 break;
3263             }
3264 
3265             freq_bin = p_modal->xpa_bias_lvl_freq[freq_count] & 0xff;
3266             if (reset_freq_bin >= freq_bin) {
3267                 biaslevel =
3268                     (u_int8_t)(p_modal->xpa_bias_lvl_freq[freq_count] >> 14);
3269             } else {
3270                 break;
3271             }
3272             freq_count++;
3273         }
3274     }
3275 
3276     /* Apply bias level to the ADDAC values in the INI array */
3277     if (IEEE80211_IS_CHAN_2GHZ(chan)) {
3278         INI_RA(&ahp->ah_ini_addac, 7, 1) =
3279             (INI_RA(&ahp->ah_ini_addac, 7, 1) & (~0x18)) | biaslevel << 3;
3280     } else {
3281         INI_RA(&ahp->ah_ini_addac, 6, 1) =
3282             (INI_RA(&ahp->ah_ini_addac, 6, 1) & (~0xc0)) | biaslevel << 6;
3283     }
3284 #endif
3285 }
3286 
3287 u_int
3288 ar9300_eeprom_dump_support(struct ath_hal *ah, void **pp_e)
3289 {
3290     *pp_e = &(AH9300(ah)->ah_eeprom);
3291     return sizeof(ar9300_eeprom_t);
3292 }
3293 
3294 u_int8_t
3295 ar9300_eeprom_get_num_ant_config(struct ath_hal_9300 *ahp,
3296     HAL_FREQ_BAND freq_band)
3297 {
3298 #if 0
3299     ar9300_eeprom_t  *eep = &ahp->ah_eeprom.def;
3300     MODAL_EEPDEF_HEADER *p_modal =
3301         &(eep->modal_header[HAL_FREQ_BAND_2GHZ == freq_band]);
3302     BASE_EEPDEF_HEADER  *p_base  = &eep->base_eep_header;
3303     u_int8_t         num_ant_config;
3304 
3305     num_ant_config = 1; /* default antenna configuration */
3306 
3307     if (p_base->version >= 0x0E0D) {
3308         if (p_modal->use_ant1) {
3309             num_ant_config += 1;
3310         }
3311     }
3312 
3313     return num_ant_config;
3314 #else
3315     return 1;
3316 #endif
3317 }
3318 
3319 HAL_STATUS
3320 ar9300_eeprom_get_ant_cfg(struct ath_hal_9300 *ahp,
3321   const struct ieee80211_channel *chan,
3322   u_int8_t index, u_int16_t *config)
3323 {
3324 #if 0
3325     ar9300_eeprom_t  *eep = &ahp->ah_eeprom.def;
3326     MODAL_EEPDEF_HEADER *p_modal = &(eep->modal_header[IEEE80211_IS_CHAN_2GHZ(chan)]);
3327     BASE_EEPDEF_HEADER  *p_base  = &eep->base_eep_header;
3328 
3329     switch (index) {
3330     case 0:
3331         *config = p_modal->ant_ctrl_common & 0xFFFF;
3332         return HAL_OK;
3333     case 1:
3334         if (p_base->version >= 0x0E0D) {
3335             if (p_modal->use_ant1) {
3336                 *config = ((p_modal->ant_ctrl_common & 0xFFFF0000) >> 16);
3337                 return HAL_OK;
3338             }
3339         }
3340         break;
3341     default:
3342         break;
3343     }
3344 #endif
3345     return HAL_EINVAL;
3346 }
3347 
3348 u_int8_t*
3349 ar9300_eeprom_get_cust_data(struct ath_hal_9300 *ahp)
3350 {
3351     return (u_int8_t *)ahp;
3352 }
3353 
3354 #ifdef UNUSED
3355 static inline HAL_STATUS
3356 ar9300_check_eeprom(struct ath_hal *ah)
3357 {
3358 #if 0
3359     u_int32_t sum = 0, el;
3360     u_int16_t *eepdata;
3361     int i;
3362     struct ath_hal_9300 *ahp = AH9300(ah);
3363     HAL_BOOL need_swap = AH_FALSE;
3364     ar9300_eeprom_t *eep = (ar9300_eeprom_t *)&ahp->ah_eeprom.def;
3365     u_int16_t magic, magic2;
3366     int addr;
3367     u_int16_t temp;
3368 
3369     /*
3370     ** We need to check the EEPROM data regardless of if it's in flash or
3371     ** in EEPROM.
3372     */
3373 
3374     if (!ahp->ah_priv.priv.ah_eeprom_read(
3375             ah, AR9300_EEPROM_MAGIC_OFFSET, &magic))
3376     {
3377         HALDEBUG(ah, HAL_DEBUG_EEPROM, "%s: Reading Magic # failed\n", __func__);
3378         return AH_FALSE;
3379     }
3380 
3381     HALDEBUG(ah, HAL_DEBUG_EEPROM, "%s: Read Magic = 0x%04X\n", __func__, magic);
3382 
3383     if (!ar9300_eep_data_in_flash(ah)) {
3384 
3385         if (magic != AR9300_EEPROM_MAGIC) {
3386             magic2 = SWAP16(magic);
3387 
3388             if (magic2 == AR9300_EEPROM_MAGIC) {
3389                 need_swap = AH_TRUE;
3390                 eepdata = (u_int16_t *)(&ahp->ah_eeprom);
3391 
3392                 for (addr = 0;
3393                      addr < sizeof(ar9300_eeprom_t) / sizeof(u_int16_t);
3394                      addr++)
3395                 {
3396                     temp = SWAP16(*eepdata);
3397                     *eepdata = temp;
3398                     eepdata++;
3399 
3400                     HALDEBUG(ah, HAL_DEBUG_EEPROM_DUMP, "0x%04X  ", *eepdata);
3401                     if (((addr + 1) % 6) == 0) {
3402                         HALDEBUG(ah, HAL_DEBUG_EEPROM_DUMP, "\n");
3403                     }
3404                 }
3405             } else {
3406                 HALDEBUG(ah, HAL_DEBUG_EEPROM,
3407                     "Invalid EEPROM Magic. endianness missmatch.\n");
3408                 return HAL_EEBADSUM;
3409             }
3410         }
3411     } else {
3412         HALDEBUG(ah, HAL_DEBUG_EEPROM,
3413                  "EEPROM being read from flash @0x%p\n", AH_PRIVATE(ah)->ah_st);
3414     }
3415 
3416     HALDEBUG(ah, HAL_DEBUG_EEPROM, "need_swap = %s.\n", need_swap?"True":"False");
3417 
3418     if (need_swap) {
3419         el = SWAP16(ahp->ah_eeprom.def.base_eep_header.length);
3420     } else {
3421         el = ahp->ah_eeprom.def.base_eep_header.length;
3422     }
3423 
3424     eepdata = (u_int16_t *)(&ahp->ah_eeprom.def);
3425     for (i = 0;
3426          i < AH_MIN(el, sizeof(ar9300_eeprom_t)) / sizeof(u_int16_t);
3427          i++) {
3428         sum ^= *eepdata++;
3429     }
3430 
3431     if (need_swap) {
3432         /*
3433         *  preddy: EEPROM endianness does not match. So change it
3434         *  8bit values in eeprom data structure does not need to be swapped
3435         *  Only >8bits (16 & 32) values need to be swapped
3436         *  If a new 16 or 32 bit field is added to the EEPROM contents,
3437         *  please make sure to swap the field here
3438         */
3439         u_int32_t integer, j;
3440         u_int16_t word;
3441 
3442         HALDEBUG(ah, HAL_DEBUG_EEPROM,
3443             "EEPROM Endianness is not native.. Changing \n");
3444 
3445         /* convert Base Eep header */
3446         word = SWAP16(eep->base_eep_header.length);
3447         eep->base_eep_header.length = word;
3448 
3449         word = SWAP16(eep->base_eep_header.checksum);
3450         eep->base_eep_header.checksum = word;
3451 
3452         word = SWAP16(eep->base_eep_header.version);
3453         eep->base_eep_header.version = word;
3454 
3455         word = SWAP16(eep->base_eep_header.reg_dmn[0]);
3456         eep->base_eep_header.reg_dmn[0] = word;
3457 
3458         word = SWAP16(eep->base_eep_header.reg_dmn[1]);
3459         eep->base_eep_header.reg_dmn[1] = word;
3460 
3461         word = SWAP16(eep->base_eep_header.rf_silent);
3462         eep->base_eep_header.rf_silent = word;
3463 
3464         word = SWAP16(eep->base_eep_header.blue_tooth_options);
3465         eep->base_eep_header.blue_tooth_options = word;
3466 
3467         word = SWAP16(eep->base_eep_header.device_cap);
3468         eep->base_eep_header.device_cap = word;
3469 
3470         /* convert Modal Eep header */
3471         for (j = 0; j < ARRAY_LENGTH(eep->modal_header); j++) {
3472             MODAL_EEPDEF_HEADER *p_modal = &eep->modal_header[j];
3473             integer = SWAP32(p_modal->ant_ctrl_common);
3474             p_modal->ant_ctrl_common = integer;
3475 
3476             for (i = 0; i < AR9300_MAX_CHAINS; i++) {
3477                 integer = SWAP32(p_modal->ant_ctrl_chain[i]);
3478                 p_modal->ant_ctrl_chain[i] = integer;
3479             }
3480 
3481             for (i = 0; i < AR9300_EEPROM_MODAL_SPURS; i++) {
3482                 word = SWAP16(p_modal->spur_chans[i].spur_chan);
3483                 p_modal->spur_chans[i].spur_chan = word;
3484             }
3485         }
3486     }
3487 
3488     /* Check CRC - Attach should fail on a bad checksum */
3489     if (sum != 0xffff || owl_get_eepdef_ver(ahp) != AR9300_EEP_VER ||
3490         owl_get_eepdef_rev(ahp) < AR9300_EEP_NO_BACK_VER) {
3491         HALDEBUG(ah, HAL_DEBUG_EEPROM,
3492             "Bad EEPROM checksum 0x%x or revision 0x%04x\n",
3493             sum, owl_get_eepdef_ver(ahp));
3494         return HAL_EEBADSUM;
3495     }
3496 #ifdef EEPROM_DUMP
3497     ar9300_eeprom_def_dump(ah, eep);
3498 #endif
3499 
3500 #if 0
3501 #ifdef AH_AR9300_OVRD_TGT_PWR
3502 
3503     /*
3504      * 14.4 EEPROM contains low target powers.
3505      * Hardcode until EEPROM > 14.4
3506      */
3507     if (owl_get_eepdef_ver(ahp) == 14 && owl_get_eepdef_rev(ahp) <= 4) {
3508         MODAL_EEPDEF_HEADER *p_modal;
3509 
3510 #ifdef EEPROM_DUMP
3511         HALDEBUG(ah,  HAL_DEBUG_POWER_OVERRIDE, "Original Target Powers\n");
3512         ar9300_eep_def_dump_tgt_power(ah, eep);
3513 #endif
3514         HALDEBUG(ah,  HAL_DEBUG_POWER_OVERRIDE,
3515                 "Override Target Powers. EEPROM Version is %d.%d, "
3516                 "Device Type %d\n",
3517                 owl_get_eepdef_ver(ahp),
3518                 owl_get_eepdef_rev(ahp),
3519                 eep->base_eep_header.device_type);
3520 
3521 
3522         ar9300_eep_def_override_tgt_power(ah, eep);
3523 
3524         if (eep->base_eep_header.device_type == 5) {
3525             /* for xb72 only: improve transmit EVM for interop */
3526             p_modal = &eep->modal_header[1];
3527             p_modal->tx_frame_to_data_start = 0x23;
3528             p_modal->tx_frame_to_xpa_on = 0x23;
3529             p_modal->tx_frame_to_pa_on = 0x23;
3530     }
3531 
3532 #ifdef EEPROM_DUMP
3533         HALDEBUG(ah, HAL_DEBUG_POWER_OVERRIDE, "Modified Target Powers\n");
3534         ar9300_eep_def_dump_tgt_power(ah, eep);
3535 #endif
3536         }
3537 #endif /* AH_AR9300_OVRD_TGT_PWR */
3538 #endif
3539 #endif
3540     return HAL_OK;
3541 }
3542 #endif
3543 
3544 static u_int16_t
3545 ar9300_eeprom_get_spur_chan(struct ath_hal *ah, int i, HAL_BOOL is_2ghz)
3546 {
3547     u_int16_t   spur_val = AR_NO_SPUR;
3548 #if 0
3549     struct ath_hal_9300 *ahp = AH9300(ah);
3550     ar9300_eeprom_t *eep = (ar9300_eeprom_t *)&ahp->ah_eeprom;
3551 
3552     HALASSERT(i <  AR_EEPROM_MODAL_SPURS );
3553 
3554     HALDEBUG(ah, HAL_DEBUG_ANI,
3555              "Getting spur idx %d is2Ghz. %d val %x\n",
3556              i, is_2ghz,
3557              AH_PRIVATE(ah)->ah_config.ath_hal_spur_chans[i][is_2ghz]);
3558 
3559     switch (AH_PRIVATE(ah)->ah_config.ath_hal_spur_mode) {
3560     case SPUR_DISABLE:
3561         /* returns AR_NO_SPUR */
3562         break;
3563     case SPUR_ENABLE_IOCTL:
3564         spur_val = AH_PRIVATE(ah)->ah_config.ath_hal_spur_chans[i][is_2ghz];
3565         HALDEBUG(ah, HAL_DEBUG_ANI,
3566             "Getting spur val from new loc. %d\n", spur_val);
3567         break;
3568     case SPUR_ENABLE_EEPROM:
3569         spur_val = eep->modal_header[is_2ghz].spur_chans[i].spur_chan;
3570         break;
3571 
3572     }
3573 #endif
3574     return spur_val;
3575 }
3576 
3577 #ifdef UNUSED
3578 static inline HAL_BOOL
3579 ar9300_fill_eeprom(struct ath_hal *ah)
3580 {
3581     return ar9300_eeprom_restore(ah);
3582 }
3583 #endif
3584 
3585 u_int16_t
3586 ar9300_eeprom_struct_size(void)
3587 {
3588     return sizeof(ar9300_eeprom_t);
3589 }
3590 
3591 int ar9300_eeprom_struct_default_many(void)
3592 {
3593     return ARRAY_LENGTH(default9300);
3594 }
3595 
3596 
3597 ar9300_eeprom_t *
3598 ar9300_eeprom_struct_default(int default_index)
3599 {
3600     if (default_index >= 0 &&
3601         default_index < ARRAY_LENGTH(default9300))
3602     {
3603         return default9300[default_index];
3604     } else {
3605         return 0;
3606     }
3607 }
3608 
3609 ar9300_eeprom_t *
3610 ar9300_eeprom_struct_default_find_by_id(int id)
3611 {
3612     int it;
3613 
3614     for (it = 0; it < ARRAY_LENGTH(default9300); it++) {
3615         if (default9300[it] != 0 && default9300[it]->template_version == id) {
3616             return default9300[it];
3617         }
3618     }
3619     return 0;
3620 }
3621 
3622 
3623 HAL_BOOL
3624 ar9300_calibration_data_read_flash(struct ath_hal *ah, long address,
3625     u_int8_t *buffer, int many)
3626 {
3627 
3628     if (((address) < 0) || ((address + many) > AR9300_EEPROM_SIZE - 1)) {
3629         return AH_FALSE;
3630     }
3631     return AH_FALSE;
3632 }
3633 
3634 HAL_BOOL
3635 ar9300_calibration_data_read_eeprom(struct ath_hal *ah, long address,
3636     u_int8_t *buffer, int many)
3637 {
3638     int i;
3639     u_int8_t value[2];
3640     unsigned long eep_addr;
3641     unsigned long byte_addr;
3642     u_int16_t *svalue;
3643 
3644     if (((address) < 0) || ((address + many) > AR9300_EEPROM_SIZE)) {
3645         return AH_FALSE;
3646     }
3647 
3648     for (i = 0; i < many; i++) {
3649         eep_addr = (u_int16_t) (address + i) / 2;
3650         byte_addr = (u_int16_t) (address + i) % 2;
3651         svalue = (u_int16_t *) value;
3652         if (! ath_hal_eepromRead(ah, eep_addr, svalue)) {
3653             HALDEBUG(ah, HAL_DEBUG_EEPROM,
3654                 "%s: Unable to read eeprom region \n", __func__);
3655             return AH_FALSE;
3656         }
3657         buffer[i] = (*svalue >> (8 * byte_addr)) & 0xff;
3658     }
3659     return AH_TRUE;
3660 }
3661 
3662 HAL_BOOL
3663 ar9300_calibration_data_read_otp(struct ath_hal *ah, long address,
3664     u_int8_t *buffer, int many, HAL_BOOL is_wifi)
3665 {
3666     int i;
3667     unsigned long eep_addr;
3668     unsigned long byte_addr;
3669     u_int32_t svalue;
3670 
3671     if (((address) < 0) || ((address + many) > 0x400)) {
3672         return AH_FALSE;
3673     }
3674 
3675     for (i = 0; i < many; i++) {
3676         eep_addr = (u_int16_t) (address + i) / 4; /* otp is 4 bytes long???? */
3677         byte_addr = (u_int16_t) (address + i) % 4;
3678         if (!ar9300_otp_read(ah, eep_addr, &svalue, is_wifi)) {
3679             HALDEBUG(ah, HAL_DEBUG_EEPROM,
3680                 "%s: Unable to read otp region \n", __func__);
3681             return AH_FALSE;
3682         }
3683         buffer[i] = (svalue >> (8 * byte_addr)) & 0xff;
3684     }
3685     return AH_TRUE;
3686 }
3687 
3688 #ifdef ATH_CAL_NAND_FLASH
3689 HAL_BOOL
3690 ar9300_calibration_data_read_nand(struct ath_hal *ah, long address,
3691     u_int8_t *buffer, int many)
3692 {
3693     int ret_len;
3694     int ret_val = 1;
3695 
3696       /* Calling OS based API to read NAND */
3697     ret_val = OS_NAND_FLASH_READ(ATH_CAL_NAND_PARTITION, address, many, &ret_len, buffer);
3698 
3699     return (ret_val ? AH_FALSE: AH_TRUE);
3700 }
3701 #endif
3702 
3703 HAL_BOOL
3704 ar9300_calibration_data_read(struct ath_hal *ah, long address,
3705     u_int8_t *buffer, int many)
3706 {
3707     switch (AH9300(ah)->calibration_data_source) {
3708     case calibration_data_flash:
3709         return ar9300_calibration_data_read_flash(ah, address, buffer, many);
3710     case calibration_data_eeprom:
3711         return ar9300_calibration_data_read_eeprom(ah, address, buffer, many);
3712     case calibration_data_otp:
3713         return ar9300_calibration_data_read_otp(ah, address, buffer, many, 1);
3714 #ifdef ATH_CAL_NAND_FLASH
3715     case calibration_data_nand:
3716         return ar9300_calibration_data_read_nand(ah,address,buffer,many);
3717 #endif
3718 
3719     }
3720     return AH_FALSE;
3721 }
3722 
3723 
3724 HAL_BOOL
3725 ar9300_calibration_data_read_array(struct ath_hal *ah, int address,
3726     u_int8_t *buffer, int many)
3727 {
3728     int it;
3729 
3730     for (it = 0; it < many; it++) {
3731         (void)ar9300_calibration_data_read(ah, address - it, buffer + it, 1);
3732     }
3733     return AH_TRUE;
3734 }
3735 
3736 
3737 /*
3738  * the address where the first configuration block is written
3739  */
3740 static const int base_address = 0x3ff;                /* 1KB */
3741 static const int base_address_512 = 0x1ff;            /* 512Bytes */
3742 
3743 /*
3744  * the address where the NAND first configuration block is written
3745  */
3746 #ifdef ATH_CAL_NAND_FLASH
3747 static const int base_address_nand = AR9300_FLASH_CAL_START_OFFSET;
3748 #endif
3749 
3750 
3751 /*
3752  * the lower limit on configuration data
3753  */
3754 static const int low_limit = 0x040;
3755 
3756 /*
3757  * returns size of the physical eeprom in bytes.
3758  * 1024 and 2048 are normal sizes.
3759  * 0 means there is no eeprom.
3760  */
3761 int32_t
3762 ar9300_eeprom_size(struct ath_hal *ah)
3763 {
3764     u_int16_t data;
3765     /*
3766      * first we'll try for 4096 bytes eeprom
3767      */
3768     if (ar9300_eeprom_read_word(ah, 2047, &data)) {
3769         if (data != 0) {
3770             return 4096;
3771         }
3772     }
3773     /*
3774      * then we'll try for 2048 bytes eeprom
3775      */
3776     if (ar9300_eeprom_read_word(ah, 1023, &data)) {
3777         if (data != 0) {
3778             return 2048;
3779         }
3780     }
3781     /*
3782      * then we'll try for 1024 bytes eeprom
3783      */
3784     if (ar9300_eeprom_read_word(ah, 511, &data)) {
3785         if (data != 0) {
3786             return 1024;
3787         }
3788     }
3789     return 0;
3790 }
3791 
3792 /*
3793  * returns size of the physical otp in bytes.
3794  * 1024 and 2048 are normal sizes.
3795  * 0 means there is no eeprom.
3796  */
3797 int32_t
3798 ar9300_otp_size(struct ath_hal *ah)
3799 {
3800     if (AR_SREV_POSEIDON(ah) || AR_SREV_HORNET(ah)) {
3801         return base_address_512+1;
3802     } else {
3803         return base_address+1;
3804     }
3805 }
3806 
3807 
3808 /*
3809  * find top of memory
3810  */
3811 int
3812 ar9300_eeprom_base_address(struct ath_hal *ah)
3813 {
3814     int size;
3815 
3816     if (AH9300(ah)->calibration_data_source == calibration_data_otp) {
3817 		return ar9300_otp_size(ah)-1;
3818 	}
3819 	else
3820 	{
3821 		size = ar9300_eeprom_size(ah);
3822 		if (size > 0) {
3823 			return size - 1;
3824 		} else {
3825 			return ar9300_otp_size(ah)-1;
3826 		}
3827 	}
3828 }
3829 
3830 int
3831 ar9300_eeprom_volatile(struct ath_hal *ah)
3832 {
3833     if (AH9300(ah)->calibration_data_source == calibration_data_otp) {
3834         return 0;        /* no eeprom, use otp */
3835     } else {
3836         return 1;        /* board has eeprom or flash */
3837     }
3838 }
3839 
3840 /*
3841  * need to change this to look for the pcie data in the low parts of memory
3842  * cal data needs to stop a few locations above
3843  */
3844 int
3845 ar9300_eeprom_low_limit(struct ath_hal *ah)
3846 {
3847     return low_limit;
3848 }
3849 
3850 u_int16_t
3851 ar9300_compression_checksum(u_int8_t *data, int dsize)
3852 {
3853     int it;
3854     int checksum = 0;
3855 
3856     for (it = 0; it < dsize; it++) {
3857         checksum += data[it];
3858         checksum &= 0xffff;
3859     }
3860 
3861     return checksum;
3862 }
3863 
3864 int
3865 ar9300_compression_header_unpack(u_int8_t *best, int *code, int *reference,
3866     int *length, int *major, int *minor)
3867 {
3868     unsigned long value[4];
3869 
3870     value[0] = best[0];
3871     value[1] = best[1];
3872     value[2] = best[2];
3873     value[3] = best[3];
3874     *code = ((value[0] >> 5) & 0x0007);
3875     *reference = (value[0] & 0x001f) | ((value[1] >> 2) & 0x0020);
3876     *length = ((value[1] << 4) & 0x07f0) | ((value[2] >> 4) & 0x000f);
3877     *major = (value[2] & 0x000f);
3878     *minor = (value[3] & 0x00ff);
3879 
3880     return 4;
3881 }
3882 
3883 
3884 static HAL_BOOL
3885 ar9300_uncompress_block(struct ath_hal *ah, u_int8_t *mptr, int mdata_size,
3886     u_int8_t *block, int size)
3887 {
3888     int it;
3889     int spot;
3890     int offset;
3891     int length;
3892 
3893     spot = 0;
3894     for (it = 0; it < size; it += (length + 2)) {
3895         offset = block[it];
3896         offset &= 0xff;
3897         spot += offset;
3898         length = block[it + 1];
3899         length &= 0xff;
3900         if (length > 0 && spot >= 0 && spot + length <= mdata_size) {
3901             HALDEBUG(ah, HAL_DEBUG_EEPROM,
3902                 "%s: Restore at %d: spot=%d offset=%d length=%d\n",
3903                 __func__, it, spot, offset, length);
3904             OS_MEMCPY(&mptr[spot], &block[it + 2], length);
3905             spot += length;
3906         } else if (length > 0) {
3907             HALDEBUG(ah, HAL_DEBUG_EEPROM,
3908                 "%s: Bad restore at %d: spot=%d offset=%d length=%d\n",
3909                 __func__, it, spot, offset, length);
3910             return AH_FALSE;
3911         }
3912     }
3913     return AH_TRUE;
3914 }
3915 
3916 static int
3917 ar9300_eeprom_restore_internal_address(struct ath_hal *ah,
3918     ar9300_eeprom_t *mptr, int mdata_size, int cptr, u_int8_t blank)
3919 {
3920     u_int8_t word[MOUTPUT];
3921     ar9300_eeprom_t *dptr; /* was uint8 */
3922     int code;
3923     int reference, length, major, minor;
3924     int osize;
3925     int it;
3926     int restored;
3927     u_int16_t checksum, mchecksum;
3928 
3929     restored = 0;
3930     for (it = 0; it < MSTATE; it++) {
3931         (void) ar9300_calibration_data_read_array(
3932             ah, cptr, word, compression_header_length);
3933         if (word[0] == blank && word[1] == blank && word[2] == blank && word[3] == blank)
3934         {
3935             break;
3936         }
3937         ar9300_compression_header_unpack(
3938             word, &code, &reference, &length, &major, &minor);
3939         HALDEBUG(ah, HAL_DEBUG_EEPROM,
3940             "%s: Found block at %x: "
3941             "code=%d ref=%d length=%d major=%d minor=%d\n",
3942             __func__, cptr, code, reference, length, major, minor);
3943 #ifdef DONTUSE
3944         if (length >= 1024) {
3945             HALDEBUG(ah, HAL_DEBUG_EEPROM, "%s: Skipping bad header\n", __func__);
3946             cptr -= compression_header_length;
3947             continue;
3948         }
3949 #endif
3950         osize = length;
3951         (void) ar9300_calibration_data_read_array(
3952             ah, cptr, word,
3953             compression_header_length + osize + compression_checksum_length);
3954         checksum = ar9300_compression_checksum(
3955             &word[compression_header_length], length);
3956         mchecksum =
3957             word[compression_header_length + osize] |
3958             (word[compression_header_length + osize + 1] << 8);
3959         HALDEBUG(ah, HAL_DEBUG_EEPROM,
3960             "%s: checksum %x %x\n", __func__, checksum, mchecksum);
3961         if (checksum == mchecksum) {
3962             switch (code) {
3963             case _compress_none:
3964                 if (length != mdata_size) {
3965                     HALDEBUG(ah, HAL_DEBUG_EEPROM,
3966                         "%s: EEPROM structure size mismatch "
3967                         "memory=%d eeprom=%d\n", __func__, mdata_size, length);
3968                     return -1;
3969                 }
3970                 OS_MEMCPY((u_int8_t *)mptr,
3971                     (u_int8_t *)(word + compression_header_length), length);
3972                 HALDEBUG(ah, HAL_DEBUG_EEPROM,
3973                     "%s: restored eeprom %d: uncompressed, length %d\n",
3974                     __func__, it, length);
3975                 restored = 1;
3976                 break;
3977 #ifdef UNUSED
3978             case _compress_lzma:
3979                 if (reference == reference_current) {
3980                     dptr = mptr;
3981                 } else {
3982                     dptr = (u_int8_t *)ar9300_eeprom_struct_default_find_by_id(
3983                         reference);
3984                     if (dptr == 0) {
3985                         HALDEBUG(ah, HAL_DEBUG_EEPROM,
3986                             "%s: Can't find reference eeprom struct %d\n",
3987                             __func__, reference);
3988                         goto done;
3989                     }
3990                 }
3991                 usize = -1;
3992                 if (usize != mdata_size) {
3993                     HALDEBUG(ah, HAL_DEBUG_EEPROM,
3994                         "%s: uncompressed data is wrong size %d %d\n",
3995                         __func__, usize, mdata_size);
3996                     goto done;
3997                 }
3998 
3999                 for (ib = 0; ib < mdata_size; ib++) {
4000                     mptr[ib] = dptr[ib] ^ word[ib + overhead];
4001                 }
4002                 HALDEBUG(ah, HAL_DEBUG_EEPROM,
4003                     "%s: restored eeprom %d: compressed, "
4004                     "reference %d, length %d\n",
4005                     __func__, it, reference, length);
4006                 break;
4007             case _compress_pairs:
4008                 if (reference == reference_current) {
4009                     dptr = mptr;
4010                 } else {
4011                     dptr = (u_int8_t *)ar9300_eeprom_struct_default_find_by_id(
4012                         reference);
4013                     if (dptr == 0) {
4014                         HALDEBUG(ah, HAL_DEBUG_EEPROM,
4015                             "%s: Can't find the reference "
4016                             "eeprom structure %d\n",
4017                             __func__, reference);
4018                         goto done;
4019                     }
4020                 }
4021                 HALDEBUG(ah, HAL_DEBUG_EEPROM,
4022                     "%s: restored eeprom %d: "
4023                     "pairs, reference %d, length %d,\n",
4024                     __func__, it, reference, length);
4025                 break;
4026 #endif
4027             case _compress_block:
4028                 if (reference == reference_current) {
4029                     dptr = mptr;
4030                 } else {
4031                     dptr = ar9300_eeprom_struct_default_find_by_id(reference);
4032                     if (dptr == 0) {
4033                         HALDEBUG(ah, HAL_DEBUG_EEPROM,
4034                             "%s: cant find reference eeprom struct %d\n",
4035                             __func__, reference);
4036                         break;
4037                     }
4038                     OS_MEMCPY(mptr, dptr, mdata_size);
4039                 }
4040 
4041                 HALDEBUG(ah, HAL_DEBUG_EEPROM,
4042                     "%s: restore eeprom %d: block, reference %d, length %d\n",
4043                     __func__, it, reference, length);
4044                 (void) ar9300_uncompress_block(ah,
4045                     (u_int8_t *) mptr, mdata_size,
4046                     (u_int8_t *) (word + compression_header_length), length);
4047                 restored = 1;
4048                 break;
4049             default:
4050                 HALDEBUG(ah, HAL_DEBUG_EEPROM,
4051                     "%s: unknown compression code %d\n", __func__, code);
4052                 break;
4053             }
4054         } else {
4055             HALDEBUG(ah, HAL_DEBUG_EEPROM,
4056                 "%s: skipping block with bad checksum\n", __func__);
4057         }
4058         cptr -= compression_header_length + osize + compression_checksum_length;
4059     }
4060 
4061     if (!restored) {
4062         cptr = -1;
4063     }
4064     return cptr;
4065 }
4066 
4067 static int
4068 ar9300_eeprom_restore_from_dram(struct ath_hal *ah, ar9300_eeprom_t *mptr,
4069     int mdata_size)
4070 {
4071     struct ath_hal_9300 *ahp = AH9300(ah);
4072 #if !defined(USE_PLATFORM_FRAMEWORK)
4073     char *cal_ptr;
4074 #endif
4075 
4076     HALASSERT(mdata_size > 0);
4077 
4078     /* if cal_in_flash is AH_TRUE, the address sent by LMAC to HAL
4079        (i.e. ah->ah_st) is corresponding to Flash. so return from
4080        here if ar9300_eep_data_in_flash(ah) returns AH_TRUE */
4081     if(ar9300_eep_data_in_flash(ah))
4082         return -1;
4083 
4084 #if 0
4085     /* check if LMAC sent DRAM address is valid */
4086     if (!(uintptr_t)(AH_PRIVATE(ah)->ah_st)) {
4087         return -1;
4088     }
4089 #endif
4090 
4091     /* When calibration data is from host, Host will copy the
4092        compressed data to the predefined DRAM location saved at ah->ah_st */
4093 #if 0
4094     ath_hal_printf(ah, "Restoring Cal data from DRAM\n");
4095     ahp->ah_cal_mem = OS_REMAP((uintptr_t)(AH_PRIVATE(ah)->ah_st),
4096 							HOST_CALDATA_SIZE);
4097 #endif
4098     if (!ahp->ah_cal_mem)
4099     {
4100        HALDEBUG(ah, HAL_DEBUG_EEPROM,"%s: can't remap dram region\n", __func__);
4101        return -1;
4102     }
4103 #if !defined(USE_PLATFORM_FRAMEWORK)
4104     cal_ptr = &((char *)(ahp->ah_cal_mem))[AR9300_FLASH_CAL_START_OFFSET];
4105     OS_MEMCPY(mptr, cal_ptr, mdata_size);
4106 #else
4107     OS_MEMCPY(mptr, ahp->ah_cal_mem, mdata_size);
4108 #endif
4109 
4110     if (mptr->eeprom_version   == 0xff ||
4111         mptr->template_version == 0xff ||
4112         mptr->eeprom_version   == 0    ||
4113         mptr->template_version == 0)
4114     {
4115         /* The board is uncalibrated */
4116         return -1;
4117     }
4118     if (mptr->eeprom_version != 0x2)
4119     {
4120         return -1;
4121     }
4122 
4123     return mdata_size;
4124 
4125 }
4126 
4127 static int
4128 ar9300_eeprom_restore_from_flash(struct ath_hal *ah, ar9300_eeprom_t *mptr,
4129     int mdata_size)
4130 {
4131     struct ath_hal_9300 *ahp = AH9300(ah);
4132     char *cal_ptr;
4133 
4134     HALASSERT(mdata_size > 0);
4135 
4136     if (!ahp->ah_cal_mem) {
4137         return -1;
4138     }
4139 
4140     ath_hal_printf(ah, "Restoring Cal data from Flash\n");
4141     /*
4142      * When calibration data is saved in flash, read
4143      * uncompressed eeprom structure from flash and return
4144      */
4145     cal_ptr = &((char *)(ahp->ah_cal_mem))[AR9300_FLASH_CAL_START_OFFSET];
4146     OS_MEMCPY(mptr, cal_ptr, mdata_size);
4147 #if 0
4148     ar9300_swap_eeprom((ar9300_eeprom_t *)mptr); DONE IN ar9300_restore()
4149 #endif
4150     if (mptr->eeprom_version   == 0xff ||
4151         mptr->template_version == 0xff ||
4152         mptr->eeprom_version   == 0    ||
4153         mptr->template_version == 0)
4154     {
4155         /* The board is uncalibrated */
4156         return -1;
4157     }
4158     if (mptr->eeprom_version != 0x2)
4159     {
4160         return -1;
4161     }
4162     return mdata_size;
4163 }
4164 
4165 /*
4166  * Read the configuration data from the storage. We try the order with:
4167  * EEPROM, Flash, OTP. If all of above failed, use the default template.
4168  * The data can be put in any specified memory buffer.
4169  *
4170  * Returns -1 on error.
4171  * Returns address of next memory location on success.
4172  */
4173 int
4174 ar9300_eeprom_restore_internal(struct ath_hal *ah, ar9300_eeprom_t *mptr,
4175     int mdata_size)
4176 {
4177     int nptr;
4178 
4179     nptr = -1;
4180 
4181     if ((AH9300(ah)->calibration_data_try == calibration_data_none ||
4182          AH9300(ah)->calibration_data_try == calibration_data_dram) &&
4183          AH9300(ah)->try_dram && nptr < 0)
4184     {
4185         ath_hal_printf(ah, "Restoring Cal data from DRAM\n");
4186         AH9300(ah)->calibration_data_source = calibration_data_dram;
4187         AH9300(ah)->calibration_data_source_address = 0;
4188         nptr = ar9300_eeprom_restore_from_dram(ah, mptr, mdata_size);
4189         if (nptr < 0) {
4190             AH9300(ah)->calibration_data_source = calibration_data_none;
4191             AH9300(ah)->calibration_data_source_address = 0;
4192         }
4193     }
4194 
4195     if ((AH9300(ah)->calibration_data_try == calibration_data_none ||
4196          AH9300(ah)->calibration_data_try == calibration_data_eeprom) &&
4197         AH9300(ah)->try_eeprom && nptr < 0)
4198     {
4199         /*
4200          * need to look at highest eeprom address as well as at
4201          * base_address=0x3ff where we used to write the data
4202          */
4203         ath_hal_printf(ah, "Restoring Cal data from EEPROM\n");
4204         AH9300(ah)->calibration_data_source = calibration_data_eeprom;
4205         if (AH9300(ah)->calibration_data_try_address != 0) {
4206             AH9300(ah)->calibration_data_source_address =
4207                 AH9300(ah)->calibration_data_try_address;
4208             nptr = ar9300_eeprom_restore_internal_address(
4209                 ah, mptr, mdata_size,
4210                 AH9300(ah)->calibration_data_source_address, 0xff);
4211         } else {
4212             AH9300(ah)->calibration_data_source_address =
4213                 ar9300_eeprom_base_address(ah);
4214             nptr = ar9300_eeprom_restore_internal_address(
4215                 ah, mptr, mdata_size,
4216                 AH9300(ah)->calibration_data_source_address, 0xff);
4217             if (nptr < 0 &&
4218                 AH9300(ah)->calibration_data_source_address != base_address)
4219             {
4220                 AH9300(ah)->calibration_data_source_address = base_address;
4221                 nptr = ar9300_eeprom_restore_internal_address(
4222                     ah, mptr, mdata_size,
4223                     AH9300(ah)->calibration_data_source_address, 0xff);
4224             }
4225         }
4226         if (nptr < 0) {
4227             AH9300(ah)->calibration_data_source = calibration_data_none;
4228             AH9300(ah)->calibration_data_source_address = 0;
4229         }
4230     }
4231 
4232     /*
4233      * ##### should be an ifdef test for any AP usage,
4234      * either in driver or in nart
4235      */
4236     if ((AH9300(ah)->calibration_data_try == calibration_data_none ||
4237          AH9300(ah)->calibration_data_try == calibration_data_flash) &&
4238         AH9300(ah)->try_flash && nptr < 0)
4239     {
4240         ath_hal_printf(ah, "Restoring Cal data from Flash\n");
4241         AH9300(ah)->calibration_data_source = calibration_data_flash;
4242         /* how are we supposed to set this for flash? */
4243         AH9300(ah)->calibration_data_source_address = 0;
4244         nptr = ar9300_eeprom_restore_from_flash(ah, mptr, mdata_size);
4245         if (nptr < 0) {
4246             AH9300(ah)->calibration_data_source = calibration_data_none;
4247             AH9300(ah)->calibration_data_source_address = 0;
4248         }
4249     }
4250 
4251     if ((AH9300(ah)->calibration_data_try == calibration_data_none ||
4252          AH9300(ah)->calibration_data_try == calibration_data_otp) &&
4253         AH9300(ah)->try_otp && nptr < 0)
4254     {
4255         ath_hal_printf(ah, "Restoring Cal data from OTP\n");
4256         AH9300(ah)->calibration_data_source = calibration_data_otp;
4257         if (AH9300(ah)->calibration_data_try_address != 0) {
4258             AH9300(ah)->calibration_data_source_address =
4259                 AH9300(ah)->calibration_data_try_address;
4260 		} else {
4261             AH9300(ah)->calibration_data_source_address =
4262                 ar9300_eeprom_base_address(ah);
4263 		}
4264         nptr = ar9300_eeprom_restore_internal_address(
4265             ah, mptr, mdata_size, AH9300(ah)->calibration_data_source_address, 0);
4266         if (nptr < 0) {
4267             AH9300(ah)->calibration_data_source = calibration_data_none;
4268             AH9300(ah)->calibration_data_source_address = 0;
4269         }
4270     }
4271 
4272 #ifdef ATH_CAL_NAND_FLASH
4273     if ((AH9300(ah)->calibration_data_try == calibration_data_none ||
4274          AH9300(ah)->calibration_data_try == calibration_data_nand) &&
4275         AH9300(ah)->try_nand && nptr < 0)
4276     {
4277         AH9300(ah)->calibration_data_source = calibration_data_nand;
4278         AH9300(ah)->calibration_data_source_address = ((unsigned int)(AH_PRIVATE(ah)->ah_st)) + base_address_nand;
4279         if(ar9300_calibration_data_read(
4280             ah, AH9300(ah)->calibration_data_source_address,
4281             (u_int8_t *)mptr, mdata_size) == AH_TRUE)
4282         {
4283             nptr = mdata_size;
4284         }
4285         /*nptr=ar9300EepromRestoreInternalAddress(ah, mptr, mdataSize, CalibrationDataSourceAddress);*/
4286         if(nptr < 0)
4287         {
4288             AH9300(ah)->calibration_data_source = calibration_data_none;
4289             AH9300(ah)->calibration_data_source_address = 0;
4290         }
4291     }
4292 #endif
4293     if (nptr < 0) {
4294         ath_hal_printf(ah, "%s[%d] No vaid CAL, calling default template\n",
4295             __func__, __LINE__);
4296         nptr = ar9300_eeprom_restore_something(ah, mptr, mdata_size);
4297     }
4298 
4299     return nptr;
4300 }
4301 
4302 /******************************************************************************/
4303 /*!
4304 **  \brief Eeprom Swapping Function
4305 **
4306 **  This function will swap the contents of the "longer" EEPROM data items
4307 **  to ensure they are consistent with the endian requirements for the platform
4308 **  they are being compiled for
4309 **
4310 **  \param eh    Pointer to the EEPROM data structure
4311 **  \return N/A
4312 */
4313 #if AH_BYTE_ORDER == AH_BIG_ENDIAN
4314 void
4315 ar9300_swap_eeprom(ar9300_eeprom_t *eep)
4316 {
4317     u_int32_t dword;
4318     u_int16_t word;
4319     int          i;
4320 
4321     word = __bswap16(eep->base_eep_header.reg_dmn[0]);
4322     eep->base_eep_header.reg_dmn[0] = word;
4323 
4324     word = __bswap16(eep->base_eep_header.reg_dmn[1]);
4325     eep->base_eep_header.reg_dmn[1] = word;
4326 
4327     dword = __bswap32(eep->base_eep_header.swreg);
4328     eep->base_eep_header.swreg = dword;
4329 
4330     dword = __bswap32(eep->modal_header_2g.ant_ctrl_common);
4331     eep->modal_header_2g.ant_ctrl_common = dword;
4332 
4333     dword = __bswap32(eep->modal_header_2g.ant_ctrl_common2);
4334     eep->modal_header_2g.ant_ctrl_common2 = dword;
4335 
4336     dword = __bswap32(eep->modal_header_2g.paprd_rate_mask_ht20);
4337     eep->modal_header_2g.paprd_rate_mask_ht20 = dword;
4338 
4339     dword = __bswap32(eep->modal_header_2g.paprd_rate_mask_ht40);
4340     eep->modal_header_2g.paprd_rate_mask_ht40 = dword;
4341 
4342     dword = __bswap32(eep->modal_header_5g.ant_ctrl_common);
4343     eep->modal_header_5g.ant_ctrl_common = dword;
4344 
4345     dword = __bswap32(eep->modal_header_5g.ant_ctrl_common2);
4346     eep->modal_header_5g.ant_ctrl_common2 = dword;
4347 
4348     dword = __bswap32(eep->modal_header_5g.paprd_rate_mask_ht20);
4349     eep->modal_header_5g.paprd_rate_mask_ht20 = dword;
4350 
4351     dword = __bswap32(eep->modal_header_5g.paprd_rate_mask_ht40);
4352     eep->modal_header_5g.paprd_rate_mask_ht40 = dword;
4353 
4354     for (i = 0; i < OSPREY_MAX_CHAINS; i++) {
4355         word = __bswap16(eep->modal_header_2g.ant_ctrl_chain[i]);
4356         eep->modal_header_2g.ant_ctrl_chain[i] = word;
4357 
4358         word = __bswap16(eep->modal_header_5g.ant_ctrl_chain[i]);
4359         eep->modal_header_5g.ant_ctrl_chain[i] = word;
4360     }
4361 }
4362 
4363 void ar9300_eeprom_template_swap(void)
4364 {
4365     int it;
4366     ar9300_eeprom_t *dptr;
4367 
4368     for (it = 0; it < ARRAY_LENGTH(default9300); it++) {
4369         dptr = ar9300_eeprom_struct_default(it);
4370         if (dptr != 0) {
4371             ar9300_swap_eeprom(dptr);
4372         }
4373     }
4374 }
4375 #endif
4376 
4377 
4378 /*
4379  * Restore the configuration structure by reading the eeprom.
4380  * This function destroys any existing in-memory structure content.
4381  */
4382 HAL_BOOL
4383 ar9300_eeprom_restore(struct ath_hal *ah)
4384 {
4385     struct ath_hal_9300 *ahp = AH9300(ah);
4386     ar9300_eeprom_t *mptr;
4387     int mdata_size;
4388     HAL_BOOL status = AH_FALSE;
4389 
4390     mptr = &ahp->ah_eeprom;
4391     mdata_size = ar9300_eeprom_struct_size();
4392 
4393     if (mptr != 0 && mdata_size > 0) {
4394 #if AH_BYTE_ORDER == AH_BIG_ENDIAN
4395         ar9300_eeprom_template_swap();
4396         ar9300_swap_eeprom(mptr);
4397 #endif
4398         /*
4399          * At this point, mptr points to the eeprom data structure
4400          * in its "default" state.  If this is big endian, swap the
4401          * data structures back to "little endian" form.
4402          */
4403         if (ar9300_eeprom_restore_internal(ah, mptr, mdata_size) >= 0) {
4404             status = AH_TRUE;
4405         }
4406 
4407 #if AH_BYTE_ORDER == AH_BIG_ENDIAN
4408         /* Second Swap, back to Big Endian */
4409         ar9300_eeprom_template_swap();
4410         ar9300_swap_eeprom(mptr);
4411 #endif
4412 
4413     }
4414     ahp->ah_2g_paprd_rate_mask_ht40 =
4415         mptr->modal_header_2g.paprd_rate_mask_ht40;
4416     ahp->ah_2g_paprd_rate_mask_ht20 =
4417         mptr->modal_header_2g.paprd_rate_mask_ht20;
4418     ahp->ah_5g_paprd_rate_mask_ht40 =
4419         mptr->modal_header_5g.paprd_rate_mask_ht40;
4420     ahp->ah_5g_paprd_rate_mask_ht20 =
4421         mptr->modal_header_5g.paprd_rate_mask_ht20;
4422     return status;
4423 }
4424 
4425 int32_t ar9300_thermometer_get(struct ath_hal *ah)
4426 {
4427     struct ath_hal_9300 *ahp = AH9300(ah);
4428     int thermometer;
4429     thermometer =
4430         (ahp->ah_eeprom.base_eep_header.misc_configuration >> 1) & 0x3;
4431     thermometer--;
4432     return thermometer;
4433 }
4434 
4435 HAL_BOOL ar9300_thermometer_apply(struct ath_hal *ah)
4436 {
4437     int thermometer = ar9300_thermometer_get(ah);
4438 
4439 /* ch0_RXTX4 */
4440 /*#define AR_PHY_65NM_CH0_RXTX4       AR_PHY_65NM(ch0_RXTX4)*/
4441 #define AR_PHY_65NM_CH1_RXTX4       AR_PHY_65NM(ch1_RXTX4)
4442 #define AR_PHY_65NM_CH2_RXTX4       AR_PHY_65NM(ch2_RXTX4)
4443 /*#define AR_PHY_65NM_CH0_RXTX4_THERM_ON          0x10000000*/
4444 /*#define AR_PHY_65NM_CH0_RXTX4_THERM_ON_S        28*/
4445 #define AR_PHY_65NM_CH0_RXTX4_THERM_ON_OVR_S      29
4446 #define AR_PHY_65NM_CH0_RXTX4_THERM_ON_OVR        \
4447     (0x1<<AR_PHY_65NM_CH0_RXTX4_THERM_ON_OVR_S)
4448 
4449     if (thermometer < 0) {
4450         OS_REG_RMW_FIELD(ah,
4451             AR_PHY_65NM_CH0_RXTX4, AR_PHY_65NM_CH0_RXTX4_THERM_ON_OVR, 0);
4452         if (!AR_SREV_HORNET(ah) && !AR_SREV_POSEIDON(ah)) {
4453             OS_REG_RMW_FIELD(ah,
4454                 AR_PHY_65NM_CH1_RXTX4, AR_PHY_65NM_CH0_RXTX4_THERM_ON_OVR, 0);
4455             if (!AR_SREV_WASP(ah) && !AR_SREV_JUPITER(ah) && !AR_SREV_HONEYBEE(ah)  ) {
4456                 OS_REG_RMW_FIELD(ah, AR_PHY_65NM_CH2_RXTX4,
4457                     AR_PHY_65NM_CH0_RXTX4_THERM_ON_OVR, 0);
4458             }
4459         }
4460         OS_REG_RMW_FIELD(ah,
4461             AR_PHY_65NM_CH0_RXTX4, AR_PHY_65NM_CH0_RXTX4_THERM_ON, 0);
4462         if (!AR_SREV_HORNET(ah) && !AR_SREV_POSEIDON(ah)) {
4463             OS_REG_RMW_FIELD(ah,
4464                 AR_PHY_65NM_CH1_RXTX4, AR_PHY_65NM_CH0_RXTX4_THERM_ON, 0);
4465             if (!AR_SREV_WASP(ah) && !AR_SREV_JUPITER(ah) && !AR_SREV_HONEYBEE(ah) ) {
4466                 OS_REG_RMW_FIELD(ah,
4467                     AR_PHY_65NM_CH2_RXTX4, AR_PHY_65NM_CH0_RXTX4_THERM_ON, 0);
4468             }
4469         }
4470     } else {
4471         OS_REG_RMW_FIELD(ah,
4472             AR_PHY_65NM_CH0_RXTX4, AR_PHY_65NM_CH0_RXTX4_THERM_ON_OVR, 1);
4473         if (!AR_SREV_HORNET(ah) && !AR_SREV_POSEIDON(ah)) {
4474             OS_REG_RMW_FIELD(ah,
4475                 AR_PHY_65NM_CH1_RXTX4, AR_PHY_65NM_CH0_RXTX4_THERM_ON_OVR, 1);
4476             if (!AR_SREV_WASP(ah) && !AR_SREV_JUPITER(ah) && !AR_SREV_HONEYBEE(ah)  ) {
4477                 OS_REG_RMW_FIELD(ah, AR_PHY_65NM_CH2_RXTX4,
4478                     AR_PHY_65NM_CH0_RXTX4_THERM_ON_OVR, 1);
4479             }
4480         }
4481         if (thermometer == 0) {
4482             OS_REG_RMW_FIELD(ah,
4483                 AR_PHY_65NM_CH0_RXTX4, AR_PHY_65NM_CH0_RXTX4_THERM_ON, 1);
4484             if (!AR_SREV_HORNET(ah) && !AR_SREV_POSEIDON(ah)) {
4485                 OS_REG_RMW_FIELD(ah,
4486                     AR_PHY_65NM_CH1_RXTX4, AR_PHY_65NM_CH0_RXTX4_THERM_ON, 0);
4487                 if (!AR_SREV_WASP(ah) && !AR_SREV_JUPITER(ah) && !AR_SREV_HONEYBEE(ah) ) {
4488                     OS_REG_RMW_FIELD(ah, AR_PHY_65NM_CH2_RXTX4,
4489                         AR_PHY_65NM_CH0_RXTX4_THERM_ON, 0);
4490                 }
4491             }
4492         } else if (thermometer == 1) {
4493             OS_REG_RMW_FIELD(ah,
4494                 AR_PHY_65NM_CH0_RXTX4, AR_PHY_65NM_CH0_RXTX4_THERM_ON, 0);
4495             if (!AR_SREV_HORNET(ah) && !AR_SREV_POSEIDON(ah)) {
4496                 OS_REG_RMW_FIELD(ah,
4497                     AR_PHY_65NM_CH1_RXTX4, AR_PHY_65NM_CH0_RXTX4_THERM_ON, 1);
4498                 if (!AR_SREV_WASP(ah) && !AR_SREV_JUPITER(ah) && !AR_SREV_HONEYBEE(ah) ) {
4499                     OS_REG_RMW_FIELD(ah, AR_PHY_65NM_CH2_RXTX4,
4500                         AR_PHY_65NM_CH0_RXTX4_THERM_ON, 0);
4501                 }
4502             }
4503         } else if (thermometer == 2) {
4504             OS_REG_RMW_FIELD(ah,
4505                 AR_PHY_65NM_CH0_RXTX4, AR_PHY_65NM_CH0_RXTX4_THERM_ON, 0);
4506             if (!AR_SREV_HORNET(ah) && !AR_SREV_POSEIDON(ah)) {
4507                 OS_REG_RMW_FIELD(ah,
4508                     AR_PHY_65NM_CH1_RXTX4, AR_PHY_65NM_CH0_RXTX4_THERM_ON, 0);
4509                 if (!AR_SREV_WASP(ah) && !AR_SREV_JUPITER(ah) && !AR_SREV_HONEYBEE(ah) ) {
4510                     OS_REG_RMW_FIELD(ah, AR_PHY_65NM_CH2_RXTX4,
4511                         AR_PHY_65NM_CH0_RXTX4_THERM_ON, 1);
4512                 }
4513             }
4514         }
4515     }
4516     return AH_TRUE;
4517 }
4518 
4519 static int32_t ar9300_tuning_caps_params_get(struct ath_hal *ah)
4520 {
4521     int tuning_caps_params;
4522     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
4523     tuning_caps_params = eep->base_eep_header.params_for_tuning_caps[0];
4524     return tuning_caps_params;
4525 }
4526 
4527 /*
4528  * Read the tuning caps params from eeprom and set to correct register.
4529  * To regulation the frequency accuracy.
4530  */
4531 HAL_BOOL ar9300_tuning_caps_apply(struct ath_hal *ah)
4532 {
4533     int tuning_caps_params;
4534     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
4535     tuning_caps_params = ar9300_tuning_caps_params_get(ah);
4536     if ((eep->base_eep_header.feature_enable & 0x40) >> 6) {
4537         tuning_caps_params &= 0x7f;
4538 
4539         if (AR_SREV_POSEIDON(ah) || AR_SREV_WASP(ah) || AR_SREV_HONEYBEE(ah)) {
4540             return true;
4541         } else if (AR_SREV_HORNET(ah)) {
4542             OS_REG_RMW_FIELD(ah,
4543                 AR_HORNET_CH0_XTAL, AR_OSPREY_CHO_XTAL_CAPINDAC,
4544                 tuning_caps_params);
4545             OS_REG_RMW_FIELD(ah,
4546                 AR_HORNET_CH0_XTAL, AR_OSPREY_CHO_XTAL_CAPOUTDAC,
4547                 tuning_caps_params);
4548         } else if (AR_SREV_SCORPION(ah)) {
4549             OS_REG_RMW_FIELD(ah,
4550                 AR_SCORPION_CH0_XTAL, AR_OSPREY_CHO_XTAL_CAPINDAC,
4551                 tuning_caps_params);
4552             OS_REG_RMW_FIELD(ah,
4553                 AR_SCORPION_CH0_XTAL, AR_OSPREY_CHO_XTAL_CAPOUTDAC,
4554                 tuning_caps_params);
4555         } else {
4556             OS_REG_RMW_FIELD(ah,
4557                 AR_OSPREY_CH0_XTAL, AR_OSPREY_CHO_XTAL_CAPINDAC,
4558                 tuning_caps_params);
4559             OS_REG_RMW_FIELD(ah,
4560                 AR_OSPREY_CH0_XTAL, AR_OSPREY_CHO_XTAL_CAPOUTDAC,
4561                 tuning_caps_params);
4562         }
4563 
4564     }
4565     return AH_TRUE;
4566 }
4567 
4568 /*
4569  * Read the tx_frame_to_xpa_on param from eeprom and apply the value to
4570  * correct register.
4571  */
4572 HAL_BOOL ar9300_xpa_timing_control_apply(struct ath_hal *ah, HAL_BOOL is_2ghz)
4573 {
4574     u_int8_t xpa_timing_control;
4575     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
4576     if ((eep->base_eep_header.feature_enable & 0x80) >> 7) {
4577 		if (AR_SREV_OSPREY(ah) || AR_SREV_AR9580(ah) || AR_SREV_WASP(ah) || AR_SREV_HONEYBEE(ah)) {
4578 			if (is_2ghz) {
4579                 xpa_timing_control = eep->modal_header_2g.tx_frame_to_xpa_on;
4580                 OS_REG_RMW_FIELD(ah,
4581 						AR_PHY_XPA_TIMING_CTL, AR_PHY_XPA_TIMING_CTL_FRAME_XPAB_ON,
4582 						xpa_timing_control);
4583 			} else {
4584                 xpa_timing_control = eep->modal_header_5g.tx_frame_to_xpa_on;
4585                 OS_REG_RMW_FIELD(ah,
4586 						AR_PHY_XPA_TIMING_CTL, AR_PHY_XPA_TIMING_CTL_FRAME_XPAA_ON,
4587 						xpa_timing_control);
4588 			}
4589 		}
4590 	}
4591     return AH_TRUE;
4592 }
4593 
4594 
4595 /*
4596  * Read the xLNA_bias_strength param from eeprom and apply the value to
4597  * correct register.
4598  */
4599 HAL_BOOL ar9300_x_lNA_bias_strength_apply(struct ath_hal *ah, HAL_BOOL is_2ghz)
4600 {
4601     u_int8_t x_lNABias;
4602     u_int32_t value = 0;
4603     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
4604 
4605     if ((eep->base_eep_header.misc_configuration & 0x40) >> 6) {
4606         if (AR_SREV_OSPREY(ah)) {
4607             if (is_2ghz) {
4608                 x_lNABias = eep->modal_header_2g.xLNA_bias_strength;
4609             } else {
4610                 x_lNABias = eep->modal_header_5g.xLNA_bias_strength;
4611             }
4612             value = x_lNABias & ( 0x03 );	// bit0,1 for chain0
4613             OS_REG_RMW_FIELD(ah,
4614 					AR_PHY_65NM_CH0_RXTX4, AR_PHY_65NM_RXTX4_XLNA_BIAS, value);
4615             value = (x_lNABias >> 2) & ( 0x03 );	// bit2,3 for chain1
4616             OS_REG_RMW_FIELD(ah,
4617 					AR_PHY_65NM_CH1_RXTX4, AR_PHY_65NM_RXTX4_XLNA_BIAS, value);
4618             value = (x_lNABias >> 4) & ( 0x03 );	// bit4,5 for chain2
4619             OS_REG_RMW_FIELD(ah,
4620 					AR_PHY_65NM_CH2_RXTX4, AR_PHY_65NM_RXTX4_XLNA_BIAS, value);
4621         }
4622     }
4623     return AH_TRUE;
4624 }
4625 
4626 
4627 /*
4628  * Read EEPROM header info and program the device for correct operation
4629  * given the channel value.
4630  */
4631 HAL_BOOL
4632 ar9300_eeprom_set_board_values(struct ath_hal *ah, const struct ieee80211_channel *chan)
4633 {
4634     HAL_CHANNEL_INTERNAL *ichan = ath_hal_checkchannel(ah, chan);
4635 
4636     ar9300_xpa_bias_level_apply(ah, IEEE80211_IS_CHAN_2GHZ(chan));
4637 
4638     ar9300_xpa_timing_control_apply(ah, IEEE80211_IS_CHAN_2GHZ(chan));
4639 
4640     ar9300_ant_ctrl_apply(ah, IEEE80211_IS_CHAN_2GHZ(chan));
4641     ar9300_drive_strength_apply(ah);
4642 
4643     ar9300_x_lNA_bias_strength_apply(ah, IEEE80211_IS_CHAN_2GHZ(chan));
4644 
4645 	/* wait for Poseidon internal regular turnning */
4646     /* for Hornet we move it before initPLL to avoid an access issue */
4647     /* Function not used when EMULATION. */
4648     if (!AR_SREV_HORNET(ah) && !AR_SREV_WASP(ah) && !AR_SREV_HONEYBEE(ah)) {
4649         ar9300_internal_regulator_apply(ah);
4650     }
4651 
4652     ar9300_attenuation_apply(ah, ichan->channel);
4653     ar9300_quick_drop_apply(ah, ichan->channel);
4654     ar9300_thermometer_apply(ah);
4655     if(!AR_SREV_WASP(ah))
4656     {
4657         ar9300_tuning_caps_apply(ah);
4658     }
4659 
4660     ar9300_tx_end_to_xpab_off_apply(ah, ichan->channel);
4661 
4662     return AH_TRUE;
4663 }
4664 
4665 u_int8_t *
4666 ar9300_eeprom_get_spur_chans_ptr(struct ath_hal *ah, HAL_BOOL is_2ghz)
4667 {
4668     ar9300_eeprom_t *eep = &AH9300(ah)->ah_eeprom;
4669 
4670     if (is_2ghz) {
4671         return &(eep->modal_header_2g.spur_chans[0]);
4672     } else {
4673         return &(eep->modal_header_5g.spur_chans[0]);
4674     }
4675 }
4676 
4677 static u_int8_t ar9300_eeprom_get_tx_gain_table_number_max(struct ath_hal *ah)
4678 {
4679     unsigned long tx_gain_table_max;
4680     tx_gain_table_max = OS_REG_READ_FIELD(ah,
4681         AR_PHY_TPC_7, AR_PHY_TPC_7_TX_GAIN_TABLE_MAX);
4682     return tx_gain_table_max;
4683 }
4684 
4685 u_int8_t ar9300_eeprom_tx_gain_table_index_max_apply(struct ath_hal *ah, u_int16_t channel)
4686 {
4687     unsigned int index;
4688     ar9300_eeprom_t *ahp_Eeprom;
4689     struct ath_hal_9300 *ahp = AH9300(ah);
4690 
4691     ahp_Eeprom = &ahp->ah_eeprom;
4692 
4693     if (ahp_Eeprom->base_ext1.misc_enable == 0)
4694         return AH_FALSE;
4695 
4696     if (channel < 4000)
4697     {
4698         index = ahp_Eeprom->modal_header_2g.tx_gain_cap;
4699     }
4700     else
4701     {
4702         index = ahp_Eeprom->modal_header_5g.tx_gain_cap;
4703     }
4704 
4705     OS_REG_RMW_FIELD(ah,
4706         AR_PHY_TPC_7, AR_PHY_TPC_7_TX_GAIN_TABLE_MAX, index);
4707     return AH_TRUE;
4708 }
4709 
4710 static u_int8_t ar9300_eeprom_get_pcdac_tx_gain_table_i(struct ath_hal *ah,
4711                                                int i, u_int8_t *pcdac)
4712 {
4713     unsigned long tx_gain;
4714     u_int8_t tx_gain_table_max;
4715     tx_gain_table_max = ar9300_eeprom_get_tx_gain_table_number_max(ah);
4716     if (i <= 0 || i > tx_gain_table_max) {
4717         *pcdac = 0;
4718         return AH_FALSE;
4719     }
4720 
4721     tx_gain = OS_REG_READ(ah, AR_PHY_TXGAIN_TAB(1) + i * 4);
4722     *pcdac = ((tx_gain >> 24) & 0xff);
4723     return AH_TRUE;
4724 }
4725 
4726 u_int8_t ar9300_eeprom_set_tx_gain_cap(struct ath_hal *ah,
4727                                                int *tx_gain_max)
4728 // pcdac read back from reg, read back value depends on reset 2GHz/5GHz ini
4729 // tx_gain_table, this function will be called twice after each
4730 // band's calibration.
4731 // after 2GHz cal, tx_gain_max[0] has 2GHz, calibration max txgain,
4732 // tx_gain_max[1]=-100
4733 // after 5GHz cal, tx_gain_max[0],tx_gain_max[1] have calibration
4734 // value for both band
4735 // reset is on 5GHz, reg reading from tx_gain_table is for 5GHz,
4736 // so program can't recalculate 2g.tx_gain_cap at this point.
4737 {
4738     int i = 0, ig, im = 0;
4739     u_int8_t pcdac = 0;
4740     u_int8_t tx_gain_table_max;
4741     ar9300_eeprom_t *ahp_Eeprom;
4742     struct ath_hal_9300 *ahp = AH9300(ah);
4743 
4744     ahp_Eeprom = &ahp->ah_eeprom;
4745 
4746     if (ahp_Eeprom->base_ext1.misc_enable == 0)
4747         return AH_FALSE;
4748 
4749     tx_gain_table_max = ar9300_eeprom_get_tx_gain_table_number_max(ah);
4750 
4751     for (i = 0; i < 2; i++) {
4752         if (tx_gain_max[i]>-100) {	// -100 didn't cal that band.
4753             if ( i== 0) {
4754                 if (tx_gain_max[1]>-100) {
4755                     continue;
4756                     // both band are calibrated, skip 2GHz 2g.tx_gain_cap reset
4757                 }
4758             }
4759             for (ig = 1; ig <= tx_gain_table_max; ig++) {
4760                 if (ah != 0 && ah->ah_reset != 0)
4761                 {
4762                     ar9300_eeprom_get_pcdac_tx_gain_table_i(ah, ig, &pcdac);
4763                     if (pcdac >= tx_gain_max[i])
4764                         break;
4765                 }
4766             }
4767             if (ig+1 <= tx_gain_table_max) {
4768                 if (pcdac == tx_gain_max[i])
4769                     im = ig;
4770                 else
4771                     im = ig + 1;
4772                 if (i == 0) {
4773                     ahp_Eeprom->modal_header_2g.tx_gain_cap = im;
4774                 } else {
4775                     ahp_Eeprom->modal_header_5g.tx_gain_cap = im;
4776                 }
4777             } else {
4778                 if (i == 0) {
4779                     ahp_Eeprom->modal_header_2g.tx_gain_cap = ig;
4780                 } else {
4781                     ahp_Eeprom->modal_header_5g.tx_gain_cap = ig;
4782                 }
4783             }
4784         }
4785     }
4786     return AH_TRUE;
4787 }
4788