1 /******************************************************************************
3 * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved.
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.
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
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
21 * Contact Information:
22 * Intel Linux Wireless <ilw@linux.intel.com>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25 *****************************************************************************/
27 #include <linux/kernel.h>
28 #include <linux/module.h>
29 #include <linux/init.h>
30 #include <linux/delay.h>
31 #include <linux/skbuff.h>
32 #include <linux/netdevice.h>
33 #include <net/mac80211.h>
34 #include <linux/etherdevice.h>
35 #include <asm/unaligned.h>
36 #include <linux/stringify.h>
38 #include "iwl-eeprom.h"
43 #include "iwl-agn-hw.h"
44 #include "iwl-trans.h"
45 #include "iwl-shared.h"
48 /* Highest firmware API version supported */
49 #define IWL6000_UCODE_API_MAX 6
50 #define IWL6050_UCODE_API_MAX 5
51 #define IWL6000G2_UCODE_API_MAX 6
53 /* Oldest version we won't warn about */
54 #define IWL6000_UCODE_API_OK 4
55 #define IWL6000G2_UCODE_API_OK 5
56 #define IWL6050_UCODE_API_OK 5
57 #define IWL6000G2B_UCODE_API_OK 6
59 /* Lowest firmware API version supported */
60 #define IWL6000_UCODE_API_MIN 4
61 #define IWL6050_UCODE_API_MIN 4
62 #define IWL6000G2_UCODE_API_MIN 4
64 #define IWL6000_FW_PRE "iwlwifi-6000-"
65 #define IWL6000_MODULE_FIRMWARE(api) IWL6000_FW_PRE __stringify(api) ".ucode"
67 #define IWL6050_FW_PRE "iwlwifi-6050-"
68 #define IWL6050_MODULE_FIRMWARE(api) IWL6050_FW_PRE __stringify(api) ".ucode"
70 #define IWL6005_FW_PRE "iwlwifi-6000g2a-"
71 #define IWL6005_MODULE_FIRMWARE(api) IWL6005_FW_PRE __stringify(api) ".ucode"
73 #define IWL6030_FW_PRE "iwlwifi-6000g2b-"
74 #define IWL6030_MODULE_FIRMWARE(api) IWL6030_FW_PRE __stringify(api) ".ucode"
76 static void iwl6000_set_ct_threshold(struct iwl_priv
*priv
)
79 hw_params(priv
).ct_kill_threshold
= CT_KILL_THRESHOLD
;
80 hw_params(priv
).ct_kill_exit_threshold
= CT_KILL_EXIT_THRESHOLD
;
83 static void iwl6050_additional_nic_config(struct iwl_priv
*priv
)
85 /* Indicate calibration version to uCode. */
86 if (iwl_eeprom_calib_version(priv
->shrd
) >= 6)
87 iwl_set_bit(trans(priv
), CSR_GP_DRIVER_REG
,
88 CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6
);
91 static void iwl6150_additional_nic_config(struct iwl_priv
*priv
)
93 /* Indicate calibration version to uCode. */
94 if (iwl_eeprom_calib_version(priv
->shrd
) >= 6)
95 iwl_set_bit(trans(priv
), CSR_GP_DRIVER_REG
,
96 CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6
);
97 iwl_set_bit(trans(priv
), CSR_GP_DRIVER_REG
,
98 CSR_GP_DRIVER_REG_BIT_6050_1x2
);
101 static void iwl6000i_additional_nic_config(struct iwl_priv
*priv
)
103 /* 2x2 IPA phy type */
104 iwl_write32(trans(priv
), CSR_GP_DRIVER_REG
,
105 CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_IPA
);
108 /* NIC configuration for 6000 series */
109 static void iwl6000_nic_config(struct iwl_priv
*priv
)
113 /* do additional nic configuration if needed */
114 if (cfg(priv
)->additional_nic_config
)
115 cfg(priv
)->additional_nic_config(priv
);
118 static const struct iwl_sensitivity_ranges iwl6000_sensitivity
= {
120 .auto_corr_min_ofdm
= 80,
121 .auto_corr_min_ofdm_mrc
= 128,
122 .auto_corr_min_ofdm_x1
= 105,
123 .auto_corr_min_ofdm_mrc_x1
= 192,
125 .auto_corr_max_ofdm
= 145,
126 .auto_corr_max_ofdm_mrc
= 232,
127 .auto_corr_max_ofdm_x1
= 110,
128 .auto_corr_max_ofdm_mrc_x1
= 232,
130 .auto_corr_min_cck
= 125,
131 .auto_corr_max_cck
= 175,
132 .auto_corr_min_cck_mrc
= 160,
133 .auto_corr_max_cck_mrc
= 310,
137 .barker_corr_th_min
= 190,
138 .barker_corr_th_min_mrc
= 336,
142 static void iwl6000_hw_set_hw_params(struct iwl_priv
*priv
)
144 hw_params(priv
).ht40_channel
= BIT(IEEE80211_BAND_2GHZ
) |
145 BIT(IEEE80211_BAND_5GHZ
);
147 hw_params(priv
).tx_chains_num
=
148 num_of_ant(hw_params(priv
).valid_tx_ant
);
149 if (cfg(priv
)->rx_with_siso_diversity
)
150 hw_params(priv
).rx_chains_num
= 1;
152 hw_params(priv
).rx_chains_num
=
153 num_of_ant(hw_params(priv
).valid_rx_ant
);
155 iwl6000_set_ct_threshold(priv
);
157 /* Set initial sensitivity parameters */
158 hw_params(priv
).sens
= &iwl6000_sensitivity
;
162 static int iwl6000_hw_channel_switch(struct iwl_priv
*priv
,
163 struct ieee80211_channel_switch
*ch_switch
)
167 * See iwlagn_mac_channel_switch.
169 struct iwl_rxon_context
*ctx
= &priv
->contexts
[IWL_RXON_CTX_BSS
];
170 struct iwl6000_channel_switch_cmd cmd
;
171 const struct iwl_channel_info
*ch_info
;
172 u32 switch_time_in_usec
, ucode_switch_time
;
176 u16 beacon_interval
= le16_to_cpu(ctx
->timing
.beacon_interval
);
177 struct ieee80211_vif
*vif
= ctx
->vif
;
178 struct iwl_host_cmd hcmd
= {
179 .id
= REPLY_CHANNEL_SWITCH
,
180 .len
= { sizeof(cmd
), },
185 cmd
.band
= priv
->band
== IEEE80211_BAND_2GHZ
;
186 ch
= ch_switch
->channel
->hw_value
;
187 IWL_DEBUG_11H(priv
, "channel switch from %u to %u\n",
188 ctx
->active
.channel
, ch
);
189 cmd
.channel
= cpu_to_le16(ch
);
190 cmd
.rxon_flags
= ctx
->staging
.flags
;
191 cmd
.rxon_filter_flags
= ctx
->staging
.filter_flags
;
192 switch_count
= ch_switch
->count
;
193 tsf_low
= ch_switch
->timestamp
& 0x0ffffffff;
195 * calculate the ucode channel switch time
196 * adding TSF as one of the factor for when to switch
198 if ((priv
->ucode_beacon_time
> tsf_low
) && beacon_interval
) {
199 if (switch_count
> ((priv
->ucode_beacon_time
- tsf_low
) /
201 switch_count
-= (priv
->ucode_beacon_time
-
202 tsf_low
) / beacon_interval
;
206 if (switch_count
<= 1)
207 cmd
.switch_time
= cpu_to_le32(priv
->ucode_beacon_time
);
209 switch_time_in_usec
=
210 vif
->bss_conf
.beacon_int
* switch_count
* TIME_UNIT
;
211 ucode_switch_time
= iwl_usecs_to_beacons(priv
,
214 cmd
.switch_time
= iwl_add_beacon_time(priv
,
215 priv
->ucode_beacon_time
,
219 IWL_DEBUG_11H(priv
, "uCode time for the switch is 0x%x\n",
221 ch_info
= iwl_get_channel_info(priv
, priv
->band
, ch
);
223 cmd
.expect_beacon
= is_channel_radar(ch_info
);
225 IWL_ERR(priv
, "invalid channel switch from %u to %u\n",
226 ctx
->active
.channel
, ch
);
230 return iwl_dvm_send_cmd(priv
, &hcmd
);
233 static struct iwl_lib_ops iwl6000_lib
= {
234 .set_hw_params
= iwl6000_hw_set_hw_params
,
235 .set_channel_switch
= iwl6000_hw_channel_switch
,
236 .nic_config
= iwl6000_nic_config
,
238 .regulatory_bands
= {
239 EEPROM_REG_BAND_1_CHANNELS
,
240 EEPROM_REG_BAND_2_CHANNELS
,
241 EEPROM_REG_BAND_3_CHANNELS
,
242 EEPROM_REG_BAND_4_CHANNELS
,
243 EEPROM_REG_BAND_5_CHANNELS
,
244 EEPROM_6000_REG_BAND_24_HT40_CHANNELS
,
245 EEPROM_REG_BAND_52_HT40_CHANNELS
247 .enhanced_txpower
= true,
249 .temperature
= iwlagn_temperature
,
252 static struct iwl_lib_ops iwl6030_lib
= {
253 .set_hw_params
= iwl6000_hw_set_hw_params
,
254 .set_channel_switch
= iwl6000_hw_channel_switch
,
255 .nic_config
= iwl6000_nic_config
,
257 .regulatory_bands
= {
258 EEPROM_REG_BAND_1_CHANNELS
,
259 EEPROM_REG_BAND_2_CHANNELS
,
260 EEPROM_REG_BAND_3_CHANNELS
,
261 EEPROM_REG_BAND_4_CHANNELS
,
262 EEPROM_REG_BAND_5_CHANNELS
,
263 EEPROM_6000_REG_BAND_24_HT40_CHANNELS
,
264 EEPROM_REG_BAND_52_HT40_CHANNELS
266 .enhanced_txpower
= true,
268 .temperature
= iwlagn_temperature
,
271 static const struct iwl_base_params iwl6000_base_params
= {
272 .eeprom_size
= OTP_LOW_IMAGE_SIZE
,
273 .num_of_queues
= IWLAGN_NUM_QUEUES
,
274 .num_of_ampdu_queues
= IWLAGN_NUM_AMPDU_QUEUES
,
276 .max_ll_items
= OTP_MAX_LL_ITEMS_6x00
,
277 .shadow_ram_support
= true,
278 .led_compensation
= 51,
279 .adv_thermal_throttle
= true,
280 .support_ct_kill_exit
= true,
281 .plcp_delta_threshold
= IWL_MAX_PLCP_ERR_THRESHOLD_DEF
,
282 .chain_noise_scale
= 1000,
283 .wd_timeout
= IWL_DEF_WD_TIMEOUT
,
284 .max_event_log_size
= 512,
285 .shadow_reg_enable
= true,
288 static const struct iwl_base_params iwl6050_base_params
= {
289 .eeprom_size
= OTP_LOW_IMAGE_SIZE
,
290 .num_of_queues
= IWLAGN_NUM_QUEUES
,
291 .num_of_ampdu_queues
= IWLAGN_NUM_AMPDU_QUEUES
,
293 .max_ll_items
= OTP_MAX_LL_ITEMS_6x50
,
294 .shadow_ram_support
= true,
295 .led_compensation
= 51,
296 .adv_thermal_throttle
= true,
297 .support_ct_kill_exit
= true,
298 .plcp_delta_threshold
= IWL_MAX_PLCP_ERR_THRESHOLD_DEF
,
299 .chain_noise_scale
= 1500,
300 .wd_timeout
= IWL_DEF_WD_TIMEOUT
,
301 .max_event_log_size
= 1024,
302 .shadow_reg_enable
= true,
305 static const struct iwl_base_params iwl6000_g2_base_params
= {
306 .eeprom_size
= OTP_LOW_IMAGE_SIZE
,
307 .num_of_queues
= IWLAGN_NUM_QUEUES
,
308 .num_of_ampdu_queues
= IWLAGN_NUM_AMPDU_QUEUES
,
310 .max_ll_items
= OTP_MAX_LL_ITEMS_6x00
,
311 .shadow_ram_support
= true,
312 .led_compensation
= 57,
313 .adv_thermal_throttle
= true,
314 .support_ct_kill_exit
= true,
315 .plcp_delta_threshold
= IWL_MAX_PLCP_ERR_THRESHOLD_DEF
,
316 .chain_noise_scale
= 1000,
317 .wd_timeout
= IWL_LONG_WD_TIMEOUT
,
318 .max_event_log_size
= 512,
319 .shadow_reg_enable
= true,
322 static const struct iwl_ht_params iwl6000_ht_params
= {
323 .ht_greenfield_support
= true,
324 .use_rts_for_aggregation
= true, /* use rts/cts protection */
327 static const struct iwl_bt_params iwl6000_bt_params
= {
328 /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
329 .advanced_bt_coexist
= true,
330 .agg_time_limit
= BT_AGG_THRESHOLD_DEF
,
331 .bt_init_traffic_load
= IWL_BT_COEX_TRAFFIC_LOAD_NONE
,
332 .bt_prio_boost
= IWLAGN_BT_PRIO_BOOST_DEFAULT
,
333 .bt_sco_disable
= true,
336 #define IWL_DEVICE_6005 \
337 .fw_name_pre = IWL6005_FW_PRE, \
338 .ucode_api_max = IWL6000G2_UCODE_API_MAX, \
339 .ucode_api_ok = IWL6000G2_UCODE_API_OK, \
340 .ucode_api_min = IWL6000G2_UCODE_API_MIN, \
341 .max_inst_size = IWL60_RTC_INST_SIZE, \
342 .max_data_size = IWL60_RTC_DATA_SIZE, \
343 .eeprom_ver = EEPROM_6005_EEPROM_VERSION, \
344 .eeprom_calib_ver = EEPROM_6005_TX_POWER_VERSION, \
345 .lib = &iwl6000_lib, \
346 .base_params = &iwl6000_g2_base_params, \
347 .need_temp_offset_calib = true, \
348 .led_mode = IWL_LED_RF_STATE
350 const struct iwl_cfg iwl6005_2agn_cfg
= {
351 .name
= "Intel(R) Centrino(R) Advanced-N 6205 AGN",
353 .ht_params
= &iwl6000_ht_params
,
356 const struct iwl_cfg iwl6005_2abg_cfg
= {
357 .name
= "Intel(R) Centrino(R) Advanced-N 6205 ABG",
361 const struct iwl_cfg iwl6005_2bg_cfg
= {
362 .name
= "Intel(R) Centrino(R) Advanced-N 6205 BG",
366 const struct iwl_cfg iwl6005_2agn_sff_cfg
= {
367 .name
= "Intel(R) Centrino(R) Advanced-N 6205S AGN",
369 .ht_params
= &iwl6000_ht_params
,
372 const struct iwl_cfg iwl6005_2agn_d_cfg
= {
373 .name
= "Intel(R) Centrino(R) Advanced-N 6205D AGN",
375 .ht_params
= &iwl6000_ht_params
,
378 const struct iwl_cfg iwl6005_2agn_mow1_cfg
= {
379 .name
= "Intel(R) Centrino(R) Advanced-N 6206 AGN",
381 .ht_params
= &iwl6000_ht_params
,
384 const struct iwl_cfg iwl6005_2agn_mow2_cfg
= {
385 .name
= "Intel(R) Centrino(R) Advanced-N 6207 AGN",
387 .ht_params
= &iwl6000_ht_params
,
390 #define IWL_DEVICE_6030 \
391 .fw_name_pre = IWL6030_FW_PRE, \
392 .ucode_api_max = IWL6000G2_UCODE_API_MAX, \
393 .ucode_api_ok = IWL6000G2B_UCODE_API_OK, \
394 .ucode_api_min = IWL6000G2_UCODE_API_MIN, \
395 .max_inst_size = IWL60_RTC_INST_SIZE, \
396 .max_data_size = IWL60_RTC_DATA_SIZE, \
397 .eeprom_ver = EEPROM_6030_EEPROM_VERSION, \
398 .eeprom_calib_ver = EEPROM_6030_TX_POWER_VERSION, \
399 .lib = &iwl6030_lib, \
400 .base_params = &iwl6000_g2_base_params, \
401 .bt_params = &iwl6000_bt_params, \
402 .need_temp_offset_calib = true, \
403 .led_mode = IWL_LED_RF_STATE, \
406 const struct iwl_cfg iwl6030_2agn_cfg = {
407 .name
= "Intel(R) Centrino(R) Advanced-N 6230 AGN",
409 .ht_params
= &iwl6000_ht_params
,
412 const struct iwl_cfg iwl6030_2abg_cfg
= {
413 .name
= "Intel(R) Centrino(R) Advanced-N 6230 ABG",
417 const struct iwl_cfg iwl6030_2bgn_cfg
= {
418 .name
= "Intel(R) Centrino(R) Advanced-N 6230 BGN",
420 .ht_params
= &iwl6000_ht_params
,
423 const struct iwl_cfg iwl6030_2bg_cfg
= {
424 .name
= "Intel(R) Centrino(R) Advanced-N 6230 BG",
428 const struct iwl_cfg iwl6035_2agn_cfg
= {
429 .name
= "Intel(R) Centrino(R) Advanced-N 6235 AGN",
431 .ht_params
= &iwl6000_ht_params
,
434 const struct iwl_cfg iwl1030_bgn_cfg
= {
435 .name
= "Intel(R) Centrino(R) Wireless-N 1030 BGN",
437 .ht_params
= &iwl6000_ht_params
,
440 const struct iwl_cfg iwl1030_bg_cfg
= {
441 .name
= "Intel(R) Centrino(R) Wireless-N 1030 BG",
445 const struct iwl_cfg iwl130_bgn_cfg
= {
446 .name
= "Intel(R) Centrino(R) Wireless-N 130 BGN",
448 .ht_params
= &iwl6000_ht_params
,
449 .rx_with_siso_diversity
= true,
452 const struct iwl_cfg iwl130_bg_cfg
= {
453 .name
= "Intel(R) Centrino(R) Wireless-N 130 BG",
455 .rx_with_siso_diversity
= true,
459 * "i": Internal configuration, use internal Power Amplifier
461 #define IWL_DEVICE_6000i \
462 .fw_name_pre = IWL6000_FW_PRE, \
463 .ucode_api_max = IWL6000_UCODE_API_MAX, \
464 .ucode_api_ok = IWL6000_UCODE_API_OK, \
465 .ucode_api_min = IWL6000_UCODE_API_MIN, \
466 .max_inst_size = IWL60_RTC_INST_SIZE, \
467 .max_data_size = IWL60_RTC_DATA_SIZE, \
468 .valid_tx_ant = ANT_BC, /* .cfg overwrite */ \
469 .valid_rx_ant = ANT_BC, /* .cfg overwrite */ \
470 .eeprom_ver = EEPROM_6000_EEPROM_VERSION, \
471 .eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION, \
472 .lib = &iwl6000_lib, \
473 .additional_nic_config = iwl6000i_additional_nic_config,\
474 .base_params = &iwl6000_base_params, \
475 .led_mode = IWL_LED_BLINK
477 const struct iwl_cfg iwl6000i_2agn_cfg
= {
478 .name
= "Intel(R) Centrino(R) Advanced-N 6200 AGN",
480 .ht_params
= &iwl6000_ht_params
,
483 const struct iwl_cfg iwl6000i_2abg_cfg
= {
484 .name
= "Intel(R) Centrino(R) Advanced-N 6200 ABG",
488 const struct iwl_cfg iwl6000i_2bg_cfg
= {
489 .name
= "Intel(R) Centrino(R) Advanced-N 6200 BG",
493 #define IWL_DEVICE_6050 \
494 .fw_name_pre = IWL6050_FW_PRE, \
495 .ucode_api_max = IWL6050_UCODE_API_MAX, \
496 .ucode_api_min = IWL6050_UCODE_API_MIN, \
497 .max_inst_size = IWL60_RTC_INST_SIZE, \
498 .max_data_size = IWL60_RTC_DATA_SIZE, \
499 .valid_tx_ant = ANT_AB, /* .cfg overwrite */ \
500 .valid_rx_ant = ANT_AB, /* .cfg overwrite */ \
501 .lib = &iwl6000_lib, \
502 .additional_nic_config = iwl6050_additional_nic_config, \
503 .eeprom_ver = EEPROM_6050_EEPROM_VERSION, \
504 .eeprom_calib_ver = EEPROM_6050_TX_POWER_VERSION, \
505 .base_params = &iwl6050_base_params, \
506 .led_mode = IWL_LED_BLINK, \
507 .internal_wimax_coex = true
509 const struct iwl_cfg iwl6050_2agn_cfg
= {
510 .name
= "Intel(R) Centrino(R) Advanced-N + WiMAX 6250 AGN",
512 .ht_params
= &iwl6000_ht_params
,
515 const struct iwl_cfg iwl6050_2abg_cfg
= {
516 .name
= "Intel(R) Centrino(R) Advanced-N + WiMAX 6250 ABG",
520 #define IWL_DEVICE_6150 \
521 .fw_name_pre = IWL6050_FW_PRE, \
522 .ucode_api_max = IWL6050_UCODE_API_MAX, \
523 .ucode_api_min = IWL6050_UCODE_API_MIN, \
524 .max_inst_size = IWL60_RTC_INST_SIZE, \
525 .max_data_size = IWL60_RTC_DATA_SIZE, \
526 .lib = &iwl6000_lib, \
527 .additional_nic_config = iwl6150_additional_nic_config, \
528 .eeprom_ver = EEPROM_6150_EEPROM_VERSION, \
529 .eeprom_calib_ver = EEPROM_6150_TX_POWER_VERSION, \
530 .base_params = &iwl6050_base_params, \
531 .led_mode = IWL_LED_BLINK, \
532 .internal_wimax_coex = true
534 const struct iwl_cfg iwl6150_bgn_cfg
= {
535 .name
= "Intel(R) Centrino(R) Wireless-N + WiMAX 6150 BGN",
537 .ht_params
= &iwl6000_ht_params
,
540 const struct iwl_cfg iwl6150_bg_cfg
= {
541 .name
= "Intel(R) Centrino(R) Wireless-N + WiMAX 6150 BG",
545 const struct iwl_cfg iwl6000_3agn_cfg
= {
546 .name
= "Intel(R) Centrino(R) Ultimate-N 6300 AGN",
547 .fw_name_pre
= IWL6000_FW_PRE
,
548 .ucode_api_max
= IWL6000_UCODE_API_MAX
,
549 .ucode_api_ok
= IWL6000_UCODE_API_OK
,
550 .ucode_api_min
= IWL6000_UCODE_API_MIN
,
551 .max_inst_size
= IWL60_RTC_INST_SIZE
,
552 .max_data_size
= IWL60_RTC_DATA_SIZE
,
553 .eeprom_ver
= EEPROM_6000_EEPROM_VERSION
,
554 .eeprom_calib_ver
= EEPROM_6000_TX_POWER_VERSION
,
556 .base_params
= &iwl6000_base_params
,
557 .ht_params
= &iwl6000_ht_params
,
558 .led_mode
= IWL_LED_BLINK
,
561 MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_OK
));
562 MODULE_FIRMWARE(IWL6050_MODULE_FIRMWARE(IWL6050_UCODE_API_OK
));
563 MODULE_FIRMWARE(IWL6005_MODULE_FIRMWARE(IWL6000G2_UCODE_API_OK
));
564 MODULE_FIRMWARE(IWL6030_MODULE_FIRMWARE(IWL6000G2B_UCODE_API_OK
));