1 /******************************************************************************
2  *
3  * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms of version 2 of the GNU General Public License as
7  * published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
12  * more details.
13  *
14  * The full GNU General Public License is included in this distribution in the
15  * file called LICENSE.
16  *
17  * Contact Information:
18  *  Intel Linux Wireless <linuxwifi@intel.com>
19  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
20  *
21  *****************************************************************************/
22 
23 /*
24  * DVM device-specific data & functions
25  */
26 #include "iwl-io.h"
27 #include "iwl-prph.h"
28 #include "iwl-eeprom-parse.h"
29 
30 #include "agn.h"
31 #include "dev.h"
32 #include "commands.h"
33 
34 
35 /*
36  * 1000 series
37  * ===========
38  */
39 
40 /*
41  * For 1000, use advance thermal throttling critical temperature threshold,
42  * but legacy thermal management implementation for now.
43  * This is for the reason of 1000 uCode using advance thermal throttling API
44  * but not implement ct_kill_exit based on ct_kill exit temperature
45  * so the thermal throttling will still based on legacy thermal throttling
46  * management.
47  * The code here need to be modified once 1000 uCode has the advanced thermal
48  * throttling algorithm in place
49  */
50 static void iwl1000_set_ct_threshold(struct iwl_priv *priv)
51 {
52 	/* want Celsius */
53 	priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY;
54 	priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
55 }
56 
57 /* NIC configuration for 1000 series */
58 static void iwl1000_nic_config(struct iwl_priv *priv)
59 {
60 	/* Setting digital SVR for 1000 card to 1.32V */
61 	/* locking is acquired in iwl_set_bits_mask_prph() function */
62 	iwl_set_bits_mask_prph(priv->trans, APMG_DIGITAL_SVR_REG,
63 				APMG_SVR_DIGITAL_VOLTAGE_1_32,
64 				~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK);
65 }
66 
67 /**
68  * iwl_beacon_time_mask_low - mask of lower 32 bit of beacon time
69  * @priv -- pointer to iwl_priv data structure
70  * @tsf_bits -- number of bits need to shift for masking)
71  */
72 static inline u32 iwl_beacon_time_mask_low(struct iwl_priv *priv,
73 					   u16 tsf_bits)
74 {
75 	return (1 << tsf_bits) - 1;
76 }
77 
78 /**
79  * iwl_beacon_time_mask_high - mask of higher 32 bit of beacon time
80  * @priv -- pointer to iwl_priv data structure
81  * @tsf_bits -- number of bits need to shift for masking)
82  */
83 static inline u32 iwl_beacon_time_mask_high(struct iwl_priv *priv,
84 					    u16 tsf_bits)
85 {
86 	return ((1 << (32 - tsf_bits)) - 1) << tsf_bits;
87 }
88 
89 /*
90  * extended beacon time format
91  * time in usec will be changed into a 32-bit value in extended:internal format
92  * the extended part is the beacon counts
93  * the internal part is the time in usec within one beacon interval
94  */
95 static u32 iwl_usecs_to_beacons(struct iwl_priv *priv, u32 usec,
96 				u32 beacon_interval)
97 {
98 	u32 quot;
99 	u32 rem;
100 	u32 interval = beacon_interval * TIME_UNIT;
101 
102 	if (!interval || !usec)
103 		return 0;
104 
105 	quot = (usec / interval) &
106 		(iwl_beacon_time_mask_high(priv, IWLAGN_EXT_BEACON_TIME_POS) >>
107 		IWLAGN_EXT_BEACON_TIME_POS);
108 	rem = (usec % interval) & iwl_beacon_time_mask_low(priv,
109 				   IWLAGN_EXT_BEACON_TIME_POS);
110 
111 	return (quot << IWLAGN_EXT_BEACON_TIME_POS) + rem;
112 }
113 
114 /* base is usually what we get from ucode with each received frame,
115  * the same as HW timer counter counting down
116  */
117 static __le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base,
118 			   u32 addon, u32 beacon_interval)
119 {
120 	u32 base_low = base & iwl_beacon_time_mask_low(priv,
121 				IWLAGN_EXT_BEACON_TIME_POS);
122 	u32 addon_low = addon & iwl_beacon_time_mask_low(priv,
123 				IWLAGN_EXT_BEACON_TIME_POS);
124 	u32 interval = beacon_interval * TIME_UNIT;
125 	u32 res = (base & iwl_beacon_time_mask_high(priv,
126 				IWLAGN_EXT_BEACON_TIME_POS)) +
127 				(addon & iwl_beacon_time_mask_high(priv,
128 				IWLAGN_EXT_BEACON_TIME_POS));
129 
130 	if (base_low > addon_low)
131 		res += base_low - addon_low;
132 	else if (base_low < addon_low) {
133 		res += interval + base_low - addon_low;
134 		res += (1 << IWLAGN_EXT_BEACON_TIME_POS);
135 	} else
136 		res += (1 << IWLAGN_EXT_BEACON_TIME_POS);
137 
138 	return cpu_to_le32(res);
139 }
140 
141 static const struct iwl_sensitivity_ranges iwl1000_sensitivity = {
142 	.min_nrg_cck = 95,
143 	.auto_corr_min_ofdm = 90,
144 	.auto_corr_min_ofdm_mrc = 170,
145 	.auto_corr_min_ofdm_x1 = 120,
146 	.auto_corr_min_ofdm_mrc_x1 = 240,
147 
148 	.auto_corr_max_ofdm = 120,
149 	.auto_corr_max_ofdm_mrc = 210,
150 	.auto_corr_max_ofdm_x1 = 155,
151 	.auto_corr_max_ofdm_mrc_x1 = 290,
152 
153 	.auto_corr_min_cck = 125,
154 	.auto_corr_max_cck = 200,
155 	.auto_corr_min_cck_mrc = 170,
156 	.auto_corr_max_cck_mrc = 400,
157 	.nrg_th_cck = 95,
158 	.nrg_th_ofdm = 95,
159 
160 	.barker_corr_th_min = 190,
161 	.barker_corr_th_min_mrc = 390,
162 	.nrg_th_cca = 62,
163 };
164 
165 static void iwl1000_hw_set_hw_params(struct iwl_priv *priv)
166 {
167 	iwl1000_set_ct_threshold(priv);
168 
169 	/* Set initial sensitivity parameters */
170 	priv->hw_params.sens = &iwl1000_sensitivity;
171 }
172 
173 const struct iwl_dvm_cfg iwl_dvm_1000_cfg = {
174 	.set_hw_params = iwl1000_hw_set_hw_params,
175 	.nic_config = iwl1000_nic_config,
176 	.temperature = iwlagn_temperature,
177 	.support_ct_kill_exit = true,
178 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF,
179 	.chain_noise_scale = 1000,
180 };
181 
182 
183 /*
184  * 2000 series
185  * ===========
186  */
187 
188 static void iwl2000_set_ct_threshold(struct iwl_priv *priv)
189 {
190 	/* want Celsius */
191 	priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD;
192 	priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
193 }
194 
195 /* NIC configuration for 2000 series */
196 static void iwl2000_nic_config(struct iwl_priv *priv)
197 {
198 	iwl_set_bit(priv->trans, CSR_GP_DRIVER_REG,
199 		    CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER);
200 }
201 
202 static const struct iwl_sensitivity_ranges iwl2000_sensitivity = {
203 	.min_nrg_cck = 97,
204 	.auto_corr_min_ofdm = 80,
205 	.auto_corr_min_ofdm_mrc = 128,
206 	.auto_corr_min_ofdm_x1 = 105,
207 	.auto_corr_min_ofdm_mrc_x1 = 192,
208 
209 	.auto_corr_max_ofdm = 145,
210 	.auto_corr_max_ofdm_mrc = 232,
211 	.auto_corr_max_ofdm_x1 = 110,
212 	.auto_corr_max_ofdm_mrc_x1 = 232,
213 
214 	.auto_corr_min_cck = 125,
215 	.auto_corr_max_cck = 175,
216 	.auto_corr_min_cck_mrc = 160,
217 	.auto_corr_max_cck_mrc = 310,
218 	.nrg_th_cck = 97,
219 	.nrg_th_ofdm = 100,
220 
221 	.barker_corr_th_min = 190,
222 	.barker_corr_th_min_mrc = 390,
223 	.nrg_th_cca = 62,
224 };
225 
226 static void iwl2000_hw_set_hw_params(struct iwl_priv *priv)
227 {
228 	iwl2000_set_ct_threshold(priv);
229 
230 	/* Set initial sensitivity parameters */
231 	priv->hw_params.sens = &iwl2000_sensitivity;
232 }
233 
234 const struct iwl_dvm_cfg iwl_dvm_2000_cfg = {
235 	.set_hw_params = iwl2000_hw_set_hw_params,
236 	.nic_config = iwl2000_nic_config,
237 	.temperature = iwlagn_temperature,
238 	.adv_thermal_throttle = true,
239 	.support_ct_kill_exit = true,
240 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
241 	.chain_noise_scale = 1000,
242 	.hd_v2 = true,
243 	.need_temp_offset_calib = true,
244 	.temp_offset_v2 = true,
245 };
246 
247 const struct iwl_dvm_cfg iwl_dvm_105_cfg = {
248 	.set_hw_params = iwl2000_hw_set_hw_params,
249 	.nic_config = iwl2000_nic_config,
250 	.temperature = iwlagn_temperature,
251 	.adv_thermal_throttle = true,
252 	.support_ct_kill_exit = true,
253 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
254 	.chain_noise_scale = 1000,
255 	.hd_v2 = true,
256 	.need_temp_offset_calib = true,
257 	.temp_offset_v2 = true,
258 	.adv_pm = true,
259 };
260 
261 static const struct iwl_dvm_bt_params iwl2030_bt_params = {
262 	/* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
263 	.advanced_bt_coexist = true,
264 	.agg_time_limit = BT_AGG_THRESHOLD_DEF,
265 	.bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
266 	.bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT32,
267 	.bt_sco_disable = true,
268 	.bt_session_2 = true,
269 };
270 
271 const struct iwl_dvm_cfg iwl_dvm_2030_cfg = {
272 	.set_hw_params = iwl2000_hw_set_hw_params,
273 	.nic_config = iwl2000_nic_config,
274 	.temperature = iwlagn_temperature,
275 	.adv_thermal_throttle = true,
276 	.support_ct_kill_exit = true,
277 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
278 	.chain_noise_scale = 1000,
279 	.hd_v2 = true,
280 	.bt_params = &iwl2030_bt_params,
281 	.need_temp_offset_calib = true,
282 	.temp_offset_v2 = true,
283 	.adv_pm = true,
284 };
285 
286 /*
287  * 5000 series
288  * ===========
289  */
290 
291 /* NIC configuration for 5000 series */
292 static const struct iwl_sensitivity_ranges iwl5000_sensitivity = {
293 	.min_nrg_cck = 100,
294 	.auto_corr_min_ofdm = 90,
295 	.auto_corr_min_ofdm_mrc = 170,
296 	.auto_corr_min_ofdm_x1 = 105,
297 	.auto_corr_min_ofdm_mrc_x1 = 220,
298 
299 	.auto_corr_max_ofdm = 120,
300 	.auto_corr_max_ofdm_mrc = 210,
301 	.auto_corr_max_ofdm_x1 = 120,
302 	.auto_corr_max_ofdm_mrc_x1 = 240,
303 
304 	.auto_corr_min_cck = 125,
305 	.auto_corr_max_cck = 200,
306 	.auto_corr_min_cck_mrc = 200,
307 	.auto_corr_max_cck_mrc = 400,
308 	.nrg_th_cck = 100,
309 	.nrg_th_ofdm = 100,
310 
311 	.barker_corr_th_min = 190,
312 	.barker_corr_th_min_mrc = 390,
313 	.nrg_th_cca = 62,
314 };
315 
316 static const struct iwl_sensitivity_ranges iwl5150_sensitivity = {
317 	.min_nrg_cck = 95,
318 	.auto_corr_min_ofdm = 90,
319 	.auto_corr_min_ofdm_mrc = 170,
320 	.auto_corr_min_ofdm_x1 = 105,
321 	.auto_corr_min_ofdm_mrc_x1 = 220,
322 
323 	.auto_corr_max_ofdm = 120,
324 	.auto_corr_max_ofdm_mrc = 210,
325 	/* max = min for performance bug in 5150 DSP */
326 	.auto_corr_max_ofdm_x1 = 105,
327 	.auto_corr_max_ofdm_mrc_x1 = 220,
328 
329 	.auto_corr_min_cck = 125,
330 	.auto_corr_max_cck = 200,
331 	.auto_corr_min_cck_mrc = 170,
332 	.auto_corr_max_cck_mrc = 400,
333 	.nrg_th_cck = 95,
334 	.nrg_th_ofdm = 95,
335 
336 	.barker_corr_th_min = 190,
337 	.barker_corr_th_min_mrc = 390,
338 	.nrg_th_cca = 62,
339 };
340 
341 #define IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF	(-5)
342 
343 static s32 iwl_temp_calib_to_offset(struct iwl_priv *priv)
344 {
345 	u16 temperature, voltage;
346 
347 	temperature = le16_to_cpu(priv->nvm_data->kelvin_temperature);
348 	voltage = le16_to_cpu(priv->nvm_data->kelvin_voltage);
349 
350 	/* offset = temp - volt / coeff */
351 	return (s32)(temperature -
352 			voltage / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF);
353 }
354 
355 static void iwl5150_set_ct_threshold(struct iwl_priv *priv)
356 {
357 	const s32 volt2temp_coef = IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF;
358 	s32 threshold = (s32)CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD_LEGACY) -
359 			iwl_temp_calib_to_offset(priv);
360 
361 	priv->hw_params.ct_kill_threshold = threshold * volt2temp_coef;
362 }
363 
364 static void iwl5000_set_ct_threshold(struct iwl_priv *priv)
365 {
366 	/* want Celsius */
367 	priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY;
368 }
369 
370 static void iwl5000_hw_set_hw_params(struct iwl_priv *priv)
371 {
372 	iwl5000_set_ct_threshold(priv);
373 
374 	/* Set initial sensitivity parameters */
375 	priv->hw_params.sens = &iwl5000_sensitivity;
376 }
377 
378 static void iwl5150_hw_set_hw_params(struct iwl_priv *priv)
379 {
380 	iwl5150_set_ct_threshold(priv);
381 
382 	/* Set initial sensitivity parameters */
383 	priv->hw_params.sens = &iwl5150_sensitivity;
384 }
385 
386 static void iwl5150_temperature(struct iwl_priv *priv)
387 {
388 	u32 vt = 0;
389 	s32 offset =  iwl_temp_calib_to_offset(priv);
390 
391 	vt = le32_to_cpu(priv->statistics.common.temperature);
392 	vt = vt / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF + offset;
393 	/* now vt hold the temperature in Kelvin */
394 	priv->temperature = KELVIN_TO_CELSIUS(vt);
395 	iwl_tt_handler(priv);
396 }
397 
398 static int iwl5000_hw_channel_switch(struct iwl_priv *priv,
399 				     struct ieee80211_channel_switch *ch_switch)
400 {
401 	/*
402 	 * MULTI-FIXME
403 	 * See iwlagn_mac_channel_switch.
404 	 */
405 	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
406 	struct iwl5000_channel_switch_cmd cmd;
407 	u32 switch_time_in_usec, ucode_switch_time;
408 	u16 ch;
409 	u32 tsf_low;
410 	u8 switch_count;
411 	u16 beacon_interval = le16_to_cpu(ctx->timing.beacon_interval);
412 	struct ieee80211_vif *vif = ctx->vif;
413 	struct iwl_host_cmd hcmd = {
414 		.id = REPLY_CHANNEL_SWITCH,
415 		.len = { sizeof(cmd), },
416 		.data = { &cmd, },
417 	};
418 
419 	cmd.band = priv->band == NL80211_BAND_2GHZ;
420 	ch = ch_switch->chandef.chan->hw_value;
421 	IWL_DEBUG_11H(priv, "channel switch from %d to %d\n",
422 		      ctx->active.channel, ch);
423 	cmd.channel = cpu_to_le16(ch);
424 	cmd.rxon_flags = ctx->staging.flags;
425 	cmd.rxon_filter_flags = ctx->staging.filter_flags;
426 	switch_count = ch_switch->count;
427 	tsf_low = ch_switch->timestamp & 0x0ffffffff;
428 	/*
429 	 * calculate the ucode channel switch time
430 	 * adding TSF as one of the factor for when to switch
431 	 */
432 	if ((priv->ucode_beacon_time > tsf_low) && beacon_interval) {
433 		if (switch_count > ((priv->ucode_beacon_time - tsf_low) /
434 		    beacon_interval)) {
435 			switch_count -= (priv->ucode_beacon_time -
436 				tsf_low) / beacon_interval;
437 		} else
438 			switch_count = 0;
439 	}
440 	if (switch_count <= 1)
441 		cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
442 	else {
443 		switch_time_in_usec =
444 			vif->bss_conf.beacon_int * switch_count * TIME_UNIT;
445 		ucode_switch_time = iwl_usecs_to_beacons(priv,
446 							 switch_time_in_usec,
447 							 beacon_interval);
448 		cmd.switch_time = iwl_add_beacon_time(priv,
449 						      priv->ucode_beacon_time,
450 						      ucode_switch_time,
451 						      beacon_interval);
452 	}
453 	IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
454 		      cmd.switch_time);
455 	cmd.expect_beacon =
456 		ch_switch->chandef.chan->flags & IEEE80211_CHAN_RADAR;
457 
458 	return iwl_dvm_send_cmd(priv, &hcmd);
459 }
460 
461 const struct iwl_dvm_cfg iwl_dvm_5000_cfg = {
462 	.set_hw_params = iwl5000_hw_set_hw_params,
463 	.set_channel_switch = iwl5000_hw_channel_switch,
464 	.temperature = iwlagn_temperature,
465 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF,
466 	.chain_noise_scale = 1000,
467 	.no_idle_support = true,
468 };
469 
470 const struct iwl_dvm_cfg iwl_dvm_5150_cfg = {
471 	.set_hw_params = iwl5150_hw_set_hw_params,
472 	.set_channel_switch = iwl5000_hw_channel_switch,
473 	.temperature = iwl5150_temperature,
474 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF,
475 	.chain_noise_scale = 1000,
476 	.no_idle_support = true,
477 	.no_xtal_calib = true,
478 };
479 
480 
481 
482 /*
483  * 6000 series
484  * ===========
485  */
486 
487 static void iwl6000_set_ct_threshold(struct iwl_priv *priv)
488 {
489 	/* want Celsius */
490 	priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD;
491 	priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
492 }
493 
494 /* NIC configuration for 6000 series */
495 static void iwl6000_nic_config(struct iwl_priv *priv)
496 {
497 	switch (priv->cfg->device_family) {
498 	case IWL_DEVICE_FAMILY_6005:
499 	case IWL_DEVICE_FAMILY_6030:
500 	case IWL_DEVICE_FAMILY_6000:
501 		break;
502 	case IWL_DEVICE_FAMILY_6000i:
503 		/* 2x2 IPA phy type */
504 		iwl_write32(priv->trans, CSR_GP_DRIVER_REG,
505 			     CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_IPA);
506 		break;
507 	case IWL_DEVICE_FAMILY_6050:
508 		/* Indicate calibration version to uCode. */
509 		if (priv->nvm_data->calib_version >= 6)
510 			iwl_set_bit(priv->trans, CSR_GP_DRIVER_REG,
511 					CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6);
512 		break;
513 	case IWL_DEVICE_FAMILY_6150:
514 		/* Indicate calibration version to uCode. */
515 		if (priv->nvm_data->calib_version >= 6)
516 			iwl_set_bit(priv->trans, CSR_GP_DRIVER_REG,
517 					CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6);
518 		iwl_set_bit(priv->trans, CSR_GP_DRIVER_REG,
519 			    CSR_GP_DRIVER_REG_BIT_6050_1x2);
520 		break;
521 	default:
522 		WARN_ON(1);
523 	}
524 }
525 
526 static const struct iwl_sensitivity_ranges iwl6000_sensitivity = {
527 	.min_nrg_cck = 110,
528 	.auto_corr_min_ofdm = 80,
529 	.auto_corr_min_ofdm_mrc = 128,
530 	.auto_corr_min_ofdm_x1 = 105,
531 	.auto_corr_min_ofdm_mrc_x1 = 192,
532 
533 	.auto_corr_max_ofdm = 145,
534 	.auto_corr_max_ofdm_mrc = 232,
535 	.auto_corr_max_ofdm_x1 = 110,
536 	.auto_corr_max_ofdm_mrc_x1 = 232,
537 
538 	.auto_corr_min_cck = 125,
539 	.auto_corr_max_cck = 175,
540 	.auto_corr_min_cck_mrc = 160,
541 	.auto_corr_max_cck_mrc = 310,
542 	.nrg_th_cck = 110,
543 	.nrg_th_ofdm = 110,
544 
545 	.barker_corr_th_min = 190,
546 	.barker_corr_th_min_mrc = 336,
547 	.nrg_th_cca = 62,
548 };
549 
550 static void iwl6000_hw_set_hw_params(struct iwl_priv *priv)
551 {
552 	iwl6000_set_ct_threshold(priv);
553 
554 	/* Set initial sensitivity parameters */
555 	priv->hw_params.sens = &iwl6000_sensitivity;
556 
557 }
558 
559 static int iwl6000_hw_channel_switch(struct iwl_priv *priv,
560 				     struct ieee80211_channel_switch *ch_switch)
561 {
562 	/*
563 	 * MULTI-FIXME
564 	 * See iwlagn_mac_channel_switch.
565 	 */
566 	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
567 	struct iwl6000_channel_switch_cmd *cmd;
568 	u32 switch_time_in_usec, ucode_switch_time;
569 	u16 ch;
570 	u32 tsf_low;
571 	u8 switch_count;
572 	u16 beacon_interval = le16_to_cpu(ctx->timing.beacon_interval);
573 	struct ieee80211_vif *vif = ctx->vif;
574 	struct iwl_host_cmd hcmd = {
575 		.id = REPLY_CHANNEL_SWITCH,
576 		.len = { sizeof(*cmd), },
577 		.dataflags[0] = IWL_HCMD_DFL_NOCOPY,
578 	};
579 	int err;
580 
581 	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
582 	if (!cmd)
583 		return -ENOMEM;
584 
585 	hcmd.data[0] = cmd;
586 
587 	cmd->band = priv->band == NL80211_BAND_2GHZ;
588 	ch = ch_switch->chandef.chan->hw_value;
589 	IWL_DEBUG_11H(priv, "channel switch from %u to %u\n",
590 		      ctx->active.channel, ch);
591 	cmd->channel = cpu_to_le16(ch);
592 	cmd->rxon_flags = ctx->staging.flags;
593 	cmd->rxon_filter_flags = ctx->staging.filter_flags;
594 	switch_count = ch_switch->count;
595 	tsf_low = ch_switch->timestamp & 0x0ffffffff;
596 	/*
597 	 * calculate the ucode channel switch time
598 	 * adding TSF as one of the factor for when to switch
599 	 */
600 	if ((priv->ucode_beacon_time > tsf_low) && beacon_interval) {
601 		if (switch_count > ((priv->ucode_beacon_time - tsf_low) /
602 		    beacon_interval)) {
603 			switch_count -= (priv->ucode_beacon_time -
604 				tsf_low) / beacon_interval;
605 		} else
606 			switch_count = 0;
607 	}
608 	if (switch_count <= 1)
609 		cmd->switch_time = cpu_to_le32(priv->ucode_beacon_time);
610 	else {
611 		switch_time_in_usec =
612 			vif->bss_conf.beacon_int * switch_count * TIME_UNIT;
613 		ucode_switch_time = iwl_usecs_to_beacons(priv,
614 							 switch_time_in_usec,
615 							 beacon_interval);
616 		cmd->switch_time = iwl_add_beacon_time(priv,
617 						       priv->ucode_beacon_time,
618 						       ucode_switch_time,
619 						       beacon_interval);
620 	}
621 	IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
622 		      cmd->switch_time);
623 	cmd->expect_beacon =
624 		ch_switch->chandef.chan->flags & IEEE80211_CHAN_RADAR;
625 
626 	err = iwl_dvm_send_cmd(priv, &hcmd);
627 	kfree(cmd);
628 	return err;
629 }
630 
631 const struct iwl_dvm_cfg iwl_dvm_6000_cfg = {
632 	.set_hw_params = iwl6000_hw_set_hw_params,
633 	.set_channel_switch = iwl6000_hw_channel_switch,
634 	.nic_config = iwl6000_nic_config,
635 	.temperature = iwlagn_temperature,
636 	.adv_thermal_throttle = true,
637 	.support_ct_kill_exit = true,
638 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
639 	.chain_noise_scale = 1000,
640 };
641 
642 const struct iwl_dvm_cfg iwl_dvm_6005_cfg = {
643 	.set_hw_params = iwl6000_hw_set_hw_params,
644 	.set_channel_switch = iwl6000_hw_channel_switch,
645 	.nic_config = iwl6000_nic_config,
646 	.temperature = iwlagn_temperature,
647 	.adv_thermal_throttle = true,
648 	.support_ct_kill_exit = true,
649 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
650 	.chain_noise_scale = 1000,
651 	.need_temp_offset_calib = true,
652 };
653 
654 const struct iwl_dvm_cfg iwl_dvm_6050_cfg = {
655 	.set_hw_params = iwl6000_hw_set_hw_params,
656 	.set_channel_switch = iwl6000_hw_channel_switch,
657 	.nic_config = iwl6000_nic_config,
658 	.temperature = iwlagn_temperature,
659 	.adv_thermal_throttle = true,
660 	.support_ct_kill_exit = true,
661 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
662 	.chain_noise_scale = 1500,
663 };
664 
665 static const struct iwl_dvm_bt_params iwl6000_bt_params = {
666 	/* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
667 	.advanced_bt_coexist = true,
668 	.agg_time_limit = BT_AGG_THRESHOLD_DEF,
669 	.bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
670 	.bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
671 	.bt_sco_disable = true,
672 };
673 
674 const struct iwl_dvm_cfg iwl_dvm_6030_cfg = {
675 	.set_hw_params = iwl6000_hw_set_hw_params,
676 	.set_channel_switch = iwl6000_hw_channel_switch,
677 	.nic_config = iwl6000_nic_config,
678 	.temperature = iwlagn_temperature,
679 	.adv_thermal_throttle = true,
680 	.support_ct_kill_exit = true,
681 	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
682 	.chain_noise_scale = 1000,
683 	.bt_params = &iwl6000_bt_params,
684 	.need_temp_offset_calib = true,
685 	.adv_pm = true,
686 };
687