xref: /freebsd/sys/dev/ath/ath_hal/ar5416/ar2133.c (revision 95ee2897e98f5d444f26ed2334cc7c439f9c16c6)
1 /*-
2  * SPDX-License-Identifier: ISC
3  *
4  * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
5  * Copyright (c) 2002-2008 Atheros Communications, Inc.
6  *
7  * Permission to use, copy, modify, and/or distribute this software for any
8  * purpose with or without fee is hereby granted, provided that the above
9  * copyright notice and this permission notice appear in all copies.
10  *
11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18  */
19 #include "opt_ah.h"
20 
21 #include "ah.h"
22 #include "ah_internal.h"
23 
24 #include "ah_eeprom_v14.h"
25 
26 #include "ar5416/ar5416.h"
27 #include "ar5416/ar5416reg.h"
28 #include "ar5416/ar5416phy.h"
29 
30 #define N(a)    (sizeof(a)/sizeof(a[0]))
31 
32 struct ar2133State {
33 	RF_HAL_FUNCS	base;		/* public state, must be first */
34 	uint16_t	pcdacTable[1];
35 
36 	uint32_t	*Bank0Data;
37 	uint32_t	*Bank1Data;
38 	uint32_t	*Bank2Data;
39 	uint32_t	*Bank3Data;
40 	uint32_t	*Bank6Data;
41 	uint32_t	*Bank7Data;
42 
43 	/* NB: Bank*Data storage follows */
44 };
45 #define	AR2133(ah)	((struct ar2133State *) AH5212(ah)->ah_rfHal)
46 
47 #define	ar5416ModifyRfBuffer	ar5212ModifyRfBuffer	/*XXX*/
48 
49 void	ar5416ModifyRfBuffer(uint32_t *rfBuf, uint32_t reg32,
50 	    uint32_t numBits, uint32_t firstBit, uint32_t column);
51 
52 static void
ar2133WriteRegs(struct ath_hal * ah,u_int modesIndex,u_int freqIndex,int writes)53 ar2133WriteRegs(struct ath_hal *ah, u_int modesIndex, u_int freqIndex,
54 	int writes)
55 {
56 	(void) ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_bb_rfgain,
57 		freqIndex, writes);
58 }
59 
60 /*
61  * Fix on 2.4 GHz band for orientation sensitivity issue by increasing
62  * rf_pwd_icsyndiv.
63  *
64  * Theoretical Rules:
65  *   if 2 GHz band
66  *      if forceBiasAuto
67  *         if synth_freq < 2412
68  *            bias = 0
69  *         else if 2412 <= synth_freq <= 2422
70  *            bias = 1
71  *         else // synth_freq > 2422
72  *            bias = 2
73  *      else if forceBias > 0
74  *         bias = forceBias & 7
75  *      else
76  *         no change, use value from ini file
77  *   else
78  *      no change, invalid band
79  *
80  *  1st Mod:
81  *    2422 also uses value of 2
82  *    <approved>
83  *
84  *  2nd Mod:
85  *    Less than 2412 uses value of 0, 2412 and above uses value of 2
86  */
87 static void
ar2133ForceBias(struct ath_hal * ah,uint16_t synth_freq)88 ar2133ForceBias(struct ath_hal *ah, uint16_t synth_freq)
89 {
90         uint32_t tmp_reg;
91         int reg_writes = 0;
92         uint32_t new_bias = 0;
93 	struct ar2133State *priv = AR2133(ah);
94 
95 	/* XXX this is a bit of a silly check for 2.4ghz channels -adrian */
96         if (synth_freq >= 3000)
97                 return;
98 
99         if (synth_freq < 2412)
100                 new_bias = 0;
101         else if (synth_freq < 2422)
102                 new_bias = 1;
103         else
104                 new_bias = 2;
105 
106         /* pre-reverse this field */
107         tmp_reg = ath_hal_reverseBits(new_bias, 3);
108 
109         HALDEBUG(ah, HAL_DEBUG_ANY, "%s: Force rf_pwd_icsyndiv to %1d on %4d\n",
110                   __func__, new_bias, synth_freq);
111 
112         /* swizzle rf_pwd_icsyndiv */
113         ar5416ModifyRfBuffer(priv->Bank6Data, tmp_reg, 3, 181, 3);
114 
115         /* write Bank 6 with new params */
116         ath_hal_ini_bank_write(ah, &AH5416(ah)->ah_ini_bank6, priv->Bank6Data, reg_writes);
117 }
118 
119 /*
120  * Take the MHz channel value and set the Channel value
121  *
122  * ASSUMES: Writes enabled to analog bus
123  */
124 static HAL_BOOL
ar2133SetChannel(struct ath_hal * ah,const struct ieee80211_channel * chan)125 ar2133SetChannel(struct ath_hal *ah, const struct ieee80211_channel *chan)
126 {
127 	uint32_t channelSel  = 0;
128 	uint32_t bModeSynth  = 0;
129 	uint32_t aModeRefSel = 0;
130 	uint32_t reg32       = 0;
131 	uint16_t freq;
132 	CHAN_CENTERS centers;
133 
134 	OS_MARK(ah, AH_MARK_SETCHANNEL, chan->ic_freq);
135 
136 	ar5416GetChannelCenters(ah, chan, &centers);
137 	freq = centers.synth_center;
138 
139 	if (freq < 4800) {
140 		uint32_t txctl;
141 
142 		if (((freq - 2192) % 5) == 0) {
143 			channelSel = ((freq - 672) * 2 - 3040)/10;
144 			bModeSynth = 0;
145 		} else if (((freq - 2224) % 5) == 0) {
146 			channelSel = ((freq - 704) * 2 - 3040) / 10;
147 			bModeSynth = 1;
148 		} else {
149 			HALDEBUG(ah, HAL_DEBUG_ANY,
150 			    "%s: invalid channel %u MHz\n", __func__, freq);
151 			return AH_FALSE;
152 		}
153 
154 		channelSel = (channelSel << 2) & 0xff;
155 		channelSel = ath_hal_reverseBits(channelSel, 8);
156 
157 		txctl = OS_REG_READ(ah, AR_PHY_CCK_TX_CTRL);
158 		if (freq == 2484) {
159 			/* Enable channel spreading for channel 14 */
160 			OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
161 				txctl | AR_PHY_CCK_TX_CTRL_JAPAN);
162 		} else {
163 			OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
164  			txctl &~ AR_PHY_CCK_TX_CTRL_JAPAN);
165 		}
166 	/*
167 	 * Handle programming the RF synth for odd frequencies in the
168 	 * 4.9->5GHz range.  This matches the programming from the
169 	 * later model 802.11abg RF synths.
170 	 *
171 	 * This interoperates on the quarter rate channels with the
172 	 * AR5112 and later RF synths.  Please note that the synthesiser
173 	 * isn't able to completely accurately represent these frequencies
174 	 * (as the resolution in this reference is 2.5MHz) and thus it will
175 	 * be slightly "off centre."  This matches the same slightly
176 	 * incorrect * centre frequency behaviour that the AR5112 and later
177 	 * channel selection code has.
178 	 *
179 	 * This is disabled because it hasn't been tested for regulatory
180 	 * compliance and neither have the NICs which would use it.
181 	 * So if you enable this code, you must first ensure that you've
182 	 * re-certified the NICs in question beforehand or you will be
183 	 * violating your local regulatory rules and breaking the law.
184 	 */
185 #if 0
186 	} else if (((freq % 5) == 2) && (freq <= 5435)) {
187 		freq = freq - 2;
188 		channelSel = ath_hal_reverseBits(
189 		    (uint32_t) (((freq - 4800) * 10) / 25 + 1), 8);
190 		/* XXX what about for Howl/Sowl? */
191 		aModeRefSel = ath_hal_reverseBits(0, 2);
192 #endif
193 	} else if ((freq % 20) == 0 && freq >= 5120) {
194 		channelSel = ath_hal_reverseBits(((freq - 4800) / 20 << 2), 8);
195 		if (AR_SREV_HOWL(ah) || AR_SREV_SOWL_10_OR_LATER(ah))
196 			aModeRefSel = ath_hal_reverseBits(3, 2);
197 		else
198 			aModeRefSel = ath_hal_reverseBits(1, 2);
199 	} else if ((freq % 10) == 0) {
200 		channelSel = ath_hal_reverseBits(((freq - 4800) / 10 << 1), 8);
201 		if (AR_SREV_HOWL(ah) || AR_SREV_SOWL_10_OR_LATER(ah))
202 			aModeRefSel = ath_hal_reverseBits(2, 2);
203 		else
204 			aModeRefSel = ath_hal_reverseBits(1, 2);
205 	} else if ((freq % 5) == 0) {
206 		channelSel = ath_hal_reverseBits((freq - 4800) / 5, 8);
207 		aModeRefSel = ath_hal_reverseBits(1, 2);
208 	} else {
209 		HALDEBUG(ah, HAL_DEBUG_UNMASKABLE,
210 		    "%s: invalid channel %u MHz\n",
211 		    __func__, freq);
212 		return AH_FALSE;
213 	}
214 
215 	/* Workaround for hw bug - AR5416 specific */
216 	if (AR_SREV_OWL(ah) && ah->ah_config.ah_ar5416_biasadj)
217 		ar2133ForceBias(ah, freq);
218 
219 	reg32 = (channelSel << 8) | (aModeRefSel << 2) | (bModeSynth << 1) |
220 		(1 << 5) | 0x1;
221 
222 	OS_REG_WRITE(ah, AR_PHY(0x37), reg32);
223 
224 	AH_PRIVATE(ah)->ah_curchan = chan;
225 	return AH_TRUE;
226 
227 }
228 
229 /*
230  * Return a reference to the requested RF Bank.
231  */
232 static uint32_t *
ar2133GetRfBank(struct ath_hal * ah,int bank)233 ar2133GetRfBank(struct ath_hal *ah, int bank)
234 {
235 	struct ar2133State *priv = AR2133(ah);
236 
237 	HALASSERT(priv != AH_NULL);
238 	switch (bank) {
239 	case 1: return priv->Bank1Data;
240 	case 2: return priv->Bank2Data;
241 	case 3: return priv->Bank3Data;
242 	case 6: return priv->Bank6Data;
243 	case 7: return priv->Bank7Data;
244 	}
245 	HALDEBUG(ah, HAL_DEBUG_ANY, "%s: unknown RF Bank %d requested\n",
246 	    __func__, bank);
247 	return AH_NULL;
248 }
249 
250 /*
251  * Reads EEPROM header info from device structure and programs
252  * all rf registers
253  *
254  * REQUIRES: Access to the analog rf device
255  */
256 static HAL_BOOL
ar2133SetRfRegs(struct ath_hal * ah,const struct ieee80211_channel * chan,uint16_t modesIndex,uint16_t * rfXpdGain)257 ar2133SetRfRegs(struct ath_hal *ah, const struct ieee80211_channel *chan,
258                 uint16_t modesIndex, uint16_t *rfXpdGain)
259 {
260 	struct ar2133State *priv = AR2133(ah);
261 	int writes;
262 
263 	HALASSERT(priv);
264 
265 	/* Setup Bank 0 Write */
266 	ath_hal_ini_bank_setup(priv->Bank0Data, &AH5416(ah)->ah_ini_bank0, 1);
267 
268 	/* Setup Bank 1 Write */
269 	ath_hal_ini_bank_setup(priv->Bank1Data, &AH5416(ah)->ah_ini_bank1, 1);
270 
271 	/* Setup Bank 2 Write */
272 	ath_hal_ini_bank_setup(priv->Bank2Data, &AH5416(ah)->ah_ini_bank2, 1);
273 
274 	/* Setup Bank 3 Write */
275 	ath_hal_ini_bank_setup(priv->Bank3Data, &AH5416(ah)->ah_ini_bank3, modesIndex);
276 
277 	/* Setup Bank 6 Write */
278 	ath_hal_ini_bank_setup(priv->Bank6Data, &AH5416(ah)->ah_ini_bank6, modesIndex);
279 
280 	/* Only the 5 or 2 GHz OB/DB need to be set for a mode */
281 	if (IEEE80211_IS_CHAN_2GHZ(chan)) {
282 		HALDEBUG(ah, HAL_DEBUG_EEPROM, "%s: 2ghz: OB_2:%d, DB_2:%d\n",
283 		    __func__,
284 		    ath_hal_eepromGet(ah, AR_EEP_OB_2, AH_NULL),
285 		    ath_hal_eepromGet(ah, AR_EEP_DB_2, AH_NULL));
286 		ar5416ModifyRfBuffer(priv->Bank6Data,
287 		    ath_hal_eepromGet(ah, AR_EEP_OB_2, AH_NULL), 3, 197, 0);
288 		ar5416ModifyRfBuffer(priv->Bank6Data,
289 		    ath_hal_eepromGet(ah, AR_EEP_DB_2, AH_NULL), 3, 194, 0);
290 	} else {
291 		HALDEBUG(ah, HAL_DEBUG_EEPROM, "%s: 5ghz: OB_5:%d, DB_5:%d\n",
292 		    __func__,
293 		    ath_hal_eepromGet(ah, AR_EEP_OB_5, AH_NULL),
294 		    ath_hal_eepromGet(ah, AR_EEP_DB_5, AH_NULL));
295 		ar5416ModifyRfBuffer(priv->Bank6Data,
296 		    ath_hal_eepromGet(ah, AR_EEP_OB_5, AH_NULL), 3, 203, 0);
297 		ar5416ModifyRfBuffer(priv->Bank6Data,
298 		    ath_hal_eepromGet(ah, AR_EEP_DB_5, AH_NULL), 3, 200, 0);
299 	}
300 	/* Setup Bank 7 Setup */
301 	ath_hal_ini_bank_setup(priv->Bank7Data, &AH5416(ah)->ah_ini_bank7, 1);
302 
303 	/* Write Analog registers */
304 	writes = ath_hal_ini_bank_write(ah, &AH5416(ah)->ah_ini_bank0,
305 	    priv->Bank0Data, 0);
306 	writes = ath_hal_ini_bank_write(ah, &AH5416(ah)->ah_ini_bank1,
307 	    priv->Bank1Data, writes);
308 	writes = ath_hal_ini_bank_write(ah, &AH5416(ah)->ah_ini_bank2,
309 	    priv->Bank2Data, writes);
310 	writes = ath_hal_ini_bank_write(ah, &AH5416(ah)->ah_ini_bank3,
311 	    priv->Bank3Data, writes);
312 	writes = ath_hal_ini_bank_write(ah, &AH5416(ah)->ah_ini_bank6,
313 	    priv->Bank6Data, writes);
314 	(void) ath_hal_ini_bank_write(ah, &AH5416(ah)->ah_ini_bank7,
315 	    priv->Bank7Data, writes);
316 
317 	return AH_TRUE;
318 #undef  RF_BANK_SETUP
319 }
320 
321 /*
322  * Read the transmit power levels from the structures taken from EEPROM
323  * Interpolate read transmit power values for this channel
324  * Organize the transmit power values into a table for writing into the hardware
325  */
326 
327 static HAL_BOOL
ar2133SetPowerTable(struct ath_hal * ah,int16_t * pPowerMin,int16_t * pPowerMax,const struct ieee80211_channel * chan,uint16_t * rfXpdGain)328 ar2133SetPowerTable(struct ath_hal *ah, int16_t *pPowerMin, int16_t *pPowerMax,
329 	const struct ieee80211_channel *chan, uint16_t *rfXpdGain)
330 {
331 	return AH_TRUE;
332 }
333 
334 #if 0
335 static int16_t
336 ar2133GetMinPower(struct ath_hal *ah, EXPN_DATA_PER_CHANNEL_5112 *data)
337 {
338     int i, minIndex;
339     int16_t minGain,minPwr,minPcdac,retVal;
340 
341     /* Assume NUM_POINTS_XPD0 > 0 */
342     minGain = data->pDataPerXPD[0].xpd_gain;
343     for (minIndex=0,i=1; i<NUM_XPD_PER_CHANNEL; i++) {
344         if (data->pDataPerXPD[i].xpd_gain < minGain) {
345             minIndex = i;
346             minGain = data->pDataPerXPD[i].xpd_gain;
347         }
348     }
349     minPwr = data->pDataPerXPD[minIndex].pwr_t4[0];
350     minPcdac = data->pDataPerXPD[minIndex].pcdac[0];
351     for (i=1; i<NUM_POINTS_XPD0; i++) {
352         if (data->pDataPerXPD[minIndex].pwr_t4[i] < minPwr) {
353             minPwr = data->pDataPerXPD[minIndex].pwr_t4[i];
354             minPcdac = data->pDataPerXPD[minIndex].pcdac[i];
355         }
356     }
357     retVal = minPwr - (minPcdac*2);
358     return(retVal);
359 }
360 #endif
361 
362 static HAL_BOOL
ar2133GetChannelMaxMinPower(struct ath_hal * ah,const struct ieee80211_channel * chan,int16_t * maxPow,int16_t * minPow)363 ar2133GetChannelMaxMinPower(struct ath_hal *ah,
364 	const struct ieee80211_channel *chan,
365 	int16_t *maxPow, int16_t *minPow)
366 {
367 #if 0
368     struct ath_hal_5212 *ahp = AH5212(ah);
369     int numChannels=0,i,last;
370     int totalD, totalF,totalMin;
371     EXPN_DATA_PER_CHANNEL_5112 *data=AH_NULL;
372     EEPROM_POWER_EXPN_5112 *powerArray=AH_NULL;
373 
374     *maxPow = 0;
375     if (IS_CHAN_A(chan)) {
376         powerArray = ahp->ah_modePowerArray5112;
377         data = powerArray[headerInfo11A].pDataPerChannel;
378         numChannels = powerArray[headerInfo11A].numChannels;
379     } else if (IS_CHAN_G(chan) || IS_CHAN_108G(chan)) {
380         /* XXX - is this correct? Should we also use the same power for turbo G? */
381         powerArray = ahp->ah_modePowerArray5112;
382         data = powerArray[headerInfo11G].pDataPerChannel;
383         numChannels = powerArray[headerInfo11G].numChannels;
384     } else if (IS_CHAN_B(chan)) {
385         powerArray = ahp->ah_modePowerArray5112;
386         data = powerArray[headerInfo11B].pDataPerChannel;
387         numChannels = powerArray[headerInfo11B].numChannels;
388     } else {
389         return (AH_TRUE);
390     }
391     /* Make sure the channel is in the range of the TP values
392      *  (freq piers)
393      */
394     if ((numChannels < 1) ||
395         (chan->channel < data[0].channelValue) ||
396         (chan->channel > data[numChannels-1].channelValue))
397         return(AH_FALSE);
398 
399     /* Linearly interpolate the power value now */
400     for (last=0,i=0;
401          (i<numChannels) && (chan->channel > data[i].channelValue);
402          last=i++);
403     totalD = data[i].channelValue - data[last].channelValue;
404     if (totalD > 0) {
405         totalF = data[i].maxPower_t4 - data[last].maxPower_t4;
406         *maxPow = (int8_t) ((totalF*(chan->channel-data[last].channelValue) + data[last].maxPower_t4*totalD)/totalD);
407 
408         totalMin = ar2133GetMinPower(ah,&data[i]) - ar2133GetMinPower(ah, &data[last]);
409         *minPow = (int8_t) ((totalMin*(chan->channel-data[last].channelValue) + ar2133GetMinPower(ah, &data[last])*totalD)/totalD);
410         return (AH_TRUE);
411     } else {
412         if (chan->channel == data[i].channelValue) {
413             *maxPow = data[i].maxPower_t4;
414             *minPow = ar2133GetMinPower(ah, &data[i]);
415             return(AH_TRUE);
416         } else
417             return(AH_FALSE);
418     }
419 #else
420     // XXX TODO: actually go implement for 11n chips!
421     *maxPow = *minPow = 0;
422 	return AH_FALSE;
423 #endif
424 }
425 
426 /*
427  * The ordering of nfarray is thus:
428  *
429  * nfarray[0]:	Chain 0 ctl
430  * nfarray[1]:	Chain 1 ctl
431  * nfarray[2]:	Chain 2 ctl
432  * nfarray[3]:	Chain 0 ext
433  * nfarray[4]:	Chain 1 ext
434  * nfarray[5]:	Chain 2 ext
435  */
436 static void
ar2133GetNoiseFloor(struct ath_hal * ah,int16_t nfarray[])437 ar2133GetNoiseFloor(struct ath_hal *ah, int16_t nfarray[])
438 {
439 	struct ath_hal_5416 *ahp = AH5416(ah);
440 	int16_t nf;
441 
442 	/*
443 	 * Blank nf array - some chips may only
444 	 * have one or two RX chainmasks enabled.
445 	 */
446 	nfarray[0] = nfarray[1] = nfarray[2] = 0;
447 	nfarray[3] = nfarray[4] = nfarray[5] = 0;
448 
449 	switch (ahp->ah_rx_chainmask) {
450         case 0x7:
451 		nf = MS(OS_REG_READ(ah, AR_PHY_CH2_CCA), AR_PHY_CH2_MINCCA_PWR);
452 		if (nf & 0x100)
453 			nf = 0 - ((nf ^ 0x1ff) + 1);
454 		HALDEBUG(ah, HAL_DEBUG_NFCAL,
455 		    "NF calibrated [ctl] [chain 2] is %d\n", nf);
456 		nfarray[2] = nf;
457 
458 		nf = MS(OS_REG_READ(ah, AR_PHY_CH2_EXT_CCA), AR_PHY_CH2_EXT_MINCCA_PWR);
459 		if (nf & 0x100)
460 			nf = 0 - ((nf ^ 0x1ff) + 1);
461 		HALDEBUG(ah, HAL_DEBUG_NFCAL,
462 		    "NF calibrated [ext] [chain 2] is %d\n", nf);
463 		nfarray[5] = nf;
464 		/* fall thru... */
465         case 0x3:
466         case 0x5:
467 		nf = MS(OS_REG_READ(ah, AR_PHY_CH1_CCA), AR_PHY_CH1_MINCCA_PWR);
468 		if (nf & 0x100)
469 			nf = 0 - ((nf ^ 0x1ff) + 1);
470 		HALDEBUG(ah, HAL_DEBUG_NFCAL,
471 		    "NF calibrated [ctl] [chain 1] is %d\n", nf);
472 		nfarray[1] = nf;
473 
474 		nf = MS(OS_REG_READ(ah, AR_PHY_CH1_EXT_CCA), AR_PHY_CH1_EXT_MINCCA_PWR);
475 		if (nf & 0x100)
476 			nf = 0 - ((nf ^ 0x1ff) + 1);
477 		HALDEBUG(ah, HAL_DEBUG_NFCAL,
478 		    "NF calibrated [ext] [chain 1] is %d\n", nf);
479 		nfarray[4] = nf;
480 		/* fall thru... */
481         case 0x1:
482 		nf = MS(OS_REG_READ(ah, AR_PHY_CCA), AR_PHY_MINCCA_PWR);
483 		if (nf & 0x100)
484 			nf = 0 - ((nf ^ 0x1ff) + 1);
485 		HALDEBUG(ah, HAL_DEBUG_NFCAL,
486 		    "NF calibrated [ctl] [chain 0] is %d\n", nf);
487 		nfarray[0] = nf;
488 
489 		nf = MS(OS_REG_READ(ah, AR_PHY_EXT_CCA), AR_PHY_EXT_MINCCA_PWR);
490 		if (nf & 0x100)
491 			nf = 0 - ((nf ^ 0x1ff) + 1);
492 		HALDEBUG(ah, HAL_DEBUG_NFCAL,
493 		    "NF calibrated [ext] [chain 0] is %d\n", nf);
494 		nfarray[3] = nf;
495 
496 		break;
497 	}
498 }
499 
500 /*
501  * Adjust NF based on statistical values for 5GHz frequencies.
502  * Stubbed:Not used by Fowl
503  */
504 static int16_t
ar2133GetNfAdjust(struct ath_hal * ah,const HAL_CHANNEL_INTERNAL * c)505 ar2133GetNfAdjust(struct ath_hal *ah, const HAL_CHANNEL_INTERNAL *c)
506 {
507 	return 0;
508 }
509 
510 /*
511  * Free memory for analog bank scratch buffers
512  */
513 static void
ar2133RfDetach(struct ath_hal * ah)514 ar2133RfDetach(struct ath_hal *ah)
515 {
516 	struct ath_hal_5212 *ahp = AH5212(ah);
517 
518 	HALASSERT(ahp->ah_rfHal != AH_NULL);
519 	ath_hal_free(ahp->ah_rfHal);
520 	ahp->ah_rfHal = AH_NULL;
521 }
522 
523 /*
524  * Allocate memory for analog bank scratch buffers
525  * Scratch Buffer will be reinitialized every reset so no need to zero now
526  */
527 HAL_BOOL
ar2133RfAttach(struct ath_hal * ah,HAL_STATUS * status)528 ar2133RfAttach(struct ath_hal *ah, HAL_STATUS *status)
529 {
530 	struct ath_hal_5212 *ahp = AH5212(ah);
531 	struct ar2133State *priv;
532 	uint32_t *bankData;
533 
534 	HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: attach AR2133 radio\n", __func__);
535 
536 	HALASSERT(ahp->ah_rfHal == AH_NULL);
537 	priv = ath_hal_malloc(sizeof(struct ar2133State)
538 	    + AH5416(ah)->ah_ini_bank0.rows * sizeof(uint32_t)
539 	    + AH5416(ah)->ah_ini_bank1.rows * sizeof(uint32_t)
540 	    + AH5416(ah)->ah_ini_bank2.rows * sizeof(uint32_t)
541 	    + AH5416(ah)->ah_ini_bank3.rows * sizeof(uint32_t)
542 	    + AH5416(ah)->ah_ini_bank6.rows * sizeof(uint32_t)
543 	    + AH5416(ah)->ah_ini_bank7.rows * sizeof(uint32_t)
544 	);
545 	if (priv == AH_NULL) {
546 		HALDEBUG(ah, HAL_DEBUG_ANY,
547 		    "%s: cannot allocate private state\n", __func__);
548 		*status = HAL_ENOMEM;		/* XXX */
549 		return AH_FALSE;
550 	}
551 	priv->base.rfDetach		= ar2133RfDetach;
552 	priv->base.writeRegs		= ar2133WriteRegs;
553 	priv->base.getRfBank		= ar2133GetRfBank;
554 	priv->base.setChannel		= ar2133SetChannel;
555 	priv->base.setRfRegs		= ar2133SetRfRegs;
556 	priv->base.setPowerTable	= ar2133SetPowerTable;
557 	priv->base.getChannelMaxMinPower = ar2133GetChannelMaxMinPower;
558 	priv->base.getNfAdjust		= ar2133GetNfAdjust;
559 
560 	bankData = (uint32_t *) &priv[1];
561 	priv->Bank0Data = bankData, bankData += AH5416(ah)->ah_ini_bank0.rows;
562 	priv->Bank1Data = bankData, bankData += AH5416(ah)->ah_ini_bank1.rows;
563 	priv->Bank2Data = bankData, bankData += AH5416(ah)->ah_ini_bank2.rows;
564 	priv->Bank3Data = bankData, bankData += AH5416(ah)->ah_ini_bank3.rows;
565 	priv->Bank6Data = bankData, bankData += AH5416(ah)->ah_ini_bank6.rows;
566 	priv->Bank7Data = bankData, bankData += AH5416(ah)->ah_ini_bank7.rows;
567 
568 	ahp->ah_pcdacTable = priv->pcdacTable;
569 	ahp->ah_pcdacTableSize = sizeof(priv->pcdacTable);
570 	ahp->ah_rfHal = &priv->base;
571 	/*
572 	 * Set noise floor adjust method; we arrange a
573 	 * direct call instead of thunking.
574 	 */
575 	AH_PRIVATE(ah)->ah_getNfAdjust = priv->base.getNfAdjust;
576 	AH_PRIVATE(ah)->ah_getNoiseFloor = ar2133GetNoiseFloor;
577 
578 	return AH_TRUE;
579 }
580 
581 static HAL_BOOL
ar2133Probe(struct ath_hal * ah)582 ar2133Probe(struct ath_hal *ah)
583 {
584 	return (AR_SREV_OWL(ah) || AR_SREV_HOWL(ah) || AR_SREV_SOWL(ah));
585 }
586 
587 AH_RF(RF2133, ar2133Probe, ar2133RfAttach);
588