1 /******************************************************************************
3 * Copyright(c) 2008 - 2011 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
57 /* Lowest firmware API version supported */
58 #define IWL6000_UCODE_API_MIN 4
59 #define IWL6050_UCODE_API_MIN 4
60 #define IWL6000G2_UCODE_API_MIN 4
62 #define IWL6000_FW_PRE "iwlwifi-6000-"
63 #define IWL6000_MODULE_FIRMWARE(api) IWL6000_FW_PRE __stringify(api) ".ucode"
65 #define IWL6050_FW_PRE "iwlwifi-6050-"
66 #define IWL6050_MODULE_FIRMWARE(api) IWL6050_FW_PRE __stringify(api) ".ucode"
68 #define IWL6005_FW_PRE "iwlwifi-6000g2a-"
69 #define IWL6005_MODULE_FIRMWARE(api) IWL6005_FW_PRE __stringify(api) ".ucode"
71 #define IWL6030_FW_PRE "iwlwifi-6000g2b-"
72 #define IWL6030_MODULE_FIRMWARE(api) IWL6030_FW_PRE __stringify(api) ".ucode"
74 static void iwl6000_set_ct_threshold(struct iwl_priv *priv)
77 hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD;
78 hw_params(priv).ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
81 static void iwl6050_additional_nic_config(struct iwl_priv *priv)
83 /* Indicate calibration version to uCode. */
84 if (iwl_eeprom_calib_version(priv->shrd) >= 6)
85 iwl_set_bit(bus(priv), CSR_GP_DRIVER_REG,
86 CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6);
89 static void iwl6150_additional_nic_config(struct iwl_priv *priv)
91 /* Indicate calibration version to uCode. */
92 if (iwl_eeprom_calib_version(priv->shrd) >= 6)
93 iwl_set_bit(bus(priv), CSR_GP_DRIVER_REG,
94 CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6);
95 iwl_set_bit(bus(priv), CSR_GP_DRIVER_REG,
96 CSR_GP_DRIVER_REG_BIT_6050_1x2);
99 /* NIC configuration for 6000 series */
100 static void iwl6000_nic_config(struct iwl_priv *priv)
104 /* no locking required for register write */
105 if (cfg(priv)->pa_type == IWL_PA_INTERNAL) {
106 /* 2x2 IPA phy type */
107 iwl_write32(bus(priv), CSR_GP_DRIVER_REG,
108 CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_IPA);
110 /* do additional nic configuration if needed */
111 if (cfg(priv)->additional_nic_config)
112 cfg(priv)->additional_nic_config(priv);
115 static struct iwl_sensitivity_ranges iwl6000_sensitivity = {
117 .max_nrg_cck = 0, /* not used, set to 0 */
118 .auto_corr_min_ofdm = 80,
119 .auto_corr_min_ofdm_mrc = 128,
120 .auto_corr_min_ofdm_x1 = 105,
121 .auto_corr_min_ofdm_mrc_x1 = 192,
123 .auto_corr_max_ofdm = 145,
124 .auto_corr_max_ofdm_mrc = 232,
125 .auto_corr_max_ofdm_x1 = 110,
126 .auto_corr_max_ofdm_mrc_x1 = 232,
128 .auto_corr_min_cck = 125,
129 .auto_corr_max_cck = 175,
130 .auto_corr_min_cck_mrc = 160,
131 .auto_corr_max_cck_mrc = 310,
135 .barker_corr_th_min = 190,
136 .barker_corr_th_min_mrc = 336,
140 static int iwl6000_hw_set_hw_params(struct iwl_priv *priv)
142 if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
143 iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
144 cfg(priv)->base_params->num_of_queues =
145 iwlagn_mod_params.num_of_queues;
147 hw_params(priv).max_txq_num = cfg(priv)->base_params->num_of_queues;
148 priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
150 hw_params(priv).max_data_size = IWL60_RTC_DATA_SIZE;
151 hw_params(priv).max_inst_size = IWL60_RTC_INST_SIZE;
153 hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ) |
154 BIT(IEEE80211_BAND_5GHZ);
156 hw_params(priv).tx_chains_num = num_of_ant(cfg(priv)->valid_tx_ant);
157 if (cfg(priv)->rx_with_siso_diversity)
158 hw_params(priv).rx_chains_num = 1;
160 hw_params(priv).rx_chains_num =
161 num_of_ant(cfg(priv)->valid_rx_ant);
162 hw_params(priv).valid_tx_ant = cfg(priv)->valid_tx_ant;
163 hw_params(priv).valid_rx_ant = cfg(priv)->valid_rx_ant;
165 iwl6000_set_ct_threshold(priv);
167 /* Set initial sensitivity parameters */
168 hw_params(priv).sens = &iwl6000_sensitivity;
173 static int iwl6000_hw_channel_switch(struct iwl_priv *priv,
174 struct ieee80211_channel_switch *ch_switch)
178 * See iwlagn_mac_channel_switch.
180 struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
181 struct iwl6000_channel_switch_cmd cmd;
182 const struct iwl_channel_info *ch_info;
183 u32 switch_time_in_usec, ucode_switch_time;
187 u16 beacon_interval = le16_to_cpu(ctx->timing.beacon_interval);
188 struct ieee80211_vif *vif = ctx->vif;
189 struct iwl_host_cmd hcmd = {
190 .id = REPLY_CHANNEL_SWITCH,
191 .len = { sizeof(cmd), },
196 cmd.band = priv->band == IEEE80211_BAND_2GHZ;
197 ch = ch_switch->channel->hw_value;
198 IWL_DEBUG_11H(priv, "channel switch from %u to %u\n",
199 ctx->active.channel, ch);
200 cmd.channel = cpu_to_le16(ch);
201 cmd.rxon_flags = ctx->staging.flags;
202 cmd.rxon_filter_flags = ctx->staging.filter_flags;
203 switch_count = ch_switch->count;
204 tsf_low = ch_switch->timestamp & 0x0ffffffff;
206 * calculate the ucode channel switch time
207 * adding TSF as one of the factor for when to switch
209 if ((priv->ucode_beacon_time > tsf_low) && beacon_interval) {
210 if (switch_count > ((priv->ucode_beacon_time - tsf_low) /
212 switch_count -= (priv->ucode_beacon_time -
213 tsf_low) / beacon_interval;
217 if (switch_count <= 1)
218 cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
220 switch_time_in_usec =
221 vif->bss_conf.beacon_int * switch_count * TIME_UNIT;
222 ucode_switch_time = iwl_usecs_to_beacons(priv,
225 cmd.switch_time = iwl_add_beacon_time(priv,
226 priv->ucode_beacon_time,
230 IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
232 ch_info = iwl_get_channel_info(priv, priv->band, ch);
234 cmd.expect_beacon = is_channel_radar(ch_info);
236 IWL_ERR(priv, "invalid channel switch from %u to %u\n",
237 ctx->active.channel, ch);
241 return iwl_trans_send_cmd(trans(priv), &hcmd);
244 static struct iwl_lib_ops iwl6000_lib = {
245 .set_hw_params = iwl6000_hw_set_hw_params,
246 .set_channel_switch = iwl6000_hw_channel_switch,
247 .nic_config = iwl6000_nic_config,
249 .regulatory_bands = {
250 EEPROM_REG_BAND_1_CHANNELS,
251 EEPROM_REG_BAND_2_CHANNELS,
252 EEPROM_REG_BAND_3_CHANNELS,
253 EEPROM_REG_BAND_4_CHANNELS,
254 EEPROM_REG_BAND_5_CHANNELS,
255 EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
256 EEPROM_REG_BAND_52_HT40_CHANNELS
258 .update_enhanced_txpower = iwl_eeprom_enhanced_txpower,
260 .temperature = iwlagn_temperature,
263 static struct iwl_lib_ops iwl6030_lib = {
264 .set_hw_params = iwl6000_hw_set_hw_params,
265 .bt_rx_handler_setup = iwlagn_bt_rx_handler_setup,
266 .bt_setup_deferred_work = iwlagn_bt_setup_deferred_work,
267 .cancel_deferred_work = iwlagn_bt_cancel_deferred_work,
268 .set_channel_switch = iwl6000_hw_channel_switch,
269 .nic_config = iwl6000_nic_config,
271 .regulatory_bands = {
272 EEPROM_REG_BAND_1_CHANNELS,
273 EEPROM_REG_BAND_2_CHANNELS,
274 EEPROM_REG_BAND_3_CHANNELS,
275 EEPROM_REG_BAND_4_CHANNELS,
276 EEPROM_REG_BAND_5_CHANNELS,
277 EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
278 EEPROM_REG_BAND_52_HT40_CHANNELS
280 .update_enhanced_txpower = iwl_eeprom_enhanced_txpower,
282 .temperature = iwlagn_temperature,
285 static struct iwl_base_params iwl6000_base_params = {
286 .eeprom_size = OTP_LOW_IMAGE_SIZE,
287 .num_of_queues = IWLAGN_NUM_QUEUES,
288 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
290 .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
291 .shadow_ram_support = true,
292 .led_compensation = 51,
293 .adv_thermal_throttle = true,
294 .support_ct_kill_exit = true,
295 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
296 .chain_noise_scale = 1000,
297 .wd_timeout = IWL_DEF_WD_TIMEOUT,
298 .max_event_log_size = 512,
299 .shadow_reg_enable = true,
302 static struct iwl_base_params iwl6050_base_params = {
303 .eeprom_size = OTP_LOW_IMAGE_SIZE,
304 .num_of_queues = IWLAGN_NUM_QUEUES,
305 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
307 .max_ll_items = OTP_MAX_LL_ITEMS_6x50,
308 .shadow_ram_support = true,
309 .led_compensation = 51,
310 .adv_thermal_throttle = true,
311 .support_ct_kill_exit = true,
312 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
313 .chain_noise_scale = 1500,
314 .wd_timeout = IWL_DEF_WD_TIMEOUT,
315 .max_event_log_size = 1024,
316 .shadow_reg_enable = true,
318 static struct iwl_base_params iwl6000_g2_base_params = {
319 .eeprom_size = OTP_LOW_IMAGE_SIZE,
320 .num_of_queues = IWLAGN_NUM_QUEUES,
321 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
323 .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
324 .shadow_ram_support = true,
325 .led_compensation = 57,
326 .adv_thermal_throttle = true,
327 .support_ct_kill_exit = true,
328 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
329 .chain_noise_scale = 1000,
330 .wd_timeout = IWL_LONG_WD_TIMEOUT,
331 .max_event_log_size = 512,
332 .shadow_reg_enable = true,
335 static struct iwl_ht_params iwl6000_ht_params = {
336 .ht_greenfield_support = true,
337 .use_rts_for_aggregation = true, /* use rts/cts protection */
340 static struct iwl_bt_params iwl6000_bt_params = {
341 /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
342 .advanced_bt_coexist = true,
343 .agg_time_limit = BT_AGG_THRESHOLD_DEF,
344 .bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
345 .bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
346 .bt_sco_disable = true,
349 #define IWL_DEVICE_6005 \
350 .fw_name_pre = IWL6005_FW_PRE, \
351 .ucode_api_max = IWL6000G2_UCODE_API_MAX, \
352 .ucode_api_ok = IWL6000G2_UCODE_API_OK, \
353 .ucode_api_min = IWL6000G2_UCODE_API_MIN, \
354 .eeprom_ver = EEPROM_6005_EEPROM_VERSION, \
355 .eeprom_calib_ver = EEPROM_6005_TX_POWER_VERSION, \
356 .lib = &iwl6000_lib, \
357 .base_params = &iwl6000_g2_base_params, \
358 .need_temp_offset_calib = true, \
359 .led_mode = IWL_LED_RF_STATE
361 struct iwl_cfg iwl6005_2agn_cfg = {
362 .name = "Intel(R) Centrino(R) Advanced-N 6205 AGN",
364 .ht_params = &iwl6000_ht_params,
367 struct iwl_cfg iwl6005_2abg_cfg = {
368 .name = "Intel(R) Centrino(R) Advanced-N 6205 ABG",
372 struct iwl_cfg iwl6005_2bg_cfg = {
373 .name = "Intel(R) Centrino(R) Advanced-N 6205 BG",
377 struct iwl_cfg iwl6005_2agn_sff_cfg = {
378 .name = "Intel(R) Centrino(R) Advanced-N 6205S AGN",
380 .ht_params = &iwl6000_ht_params,
383 struct iwl_cfg iwl6005_2agn_d_cfg = {
384 .name = "Intel(R) Centrino(R) Advanced-N 6205D AGN",
386 .ht_params = &iwl6000_ht_params,
389 #define IWL_DEVICE_6030 \
390 .fw_name_pre = IWL6030_FW_PRE, \
391 .ucode_api_max = IWL6000G2_UCODE_API_MAX, \
392 .ucode_api_ok = IWL6000G2_UCODE_API_OK, \
393 .ucode_api_min = IWL6000G2_UCODE_API_MIN, \
394 .eeprom_ver = EEPROM_6030_EEPROM_VERSION, \
395 .eeprom_calib_ver = EEPROM_6030_TX_POWER_VERSION, \
396 .lib = &iwl6030_lib, \
397 .base_params = &iwl6000_g2_base_params, \
398 .bt_params = &iwl6000_bt_params, \
399 .need_temp_offset_calib = true, \
400 .led_mode = IWL_LED_RF_STATE, \
403 struct iwl_cfg iwl6030_2agn_cfg = {
404 .name = "Intel(R) Centrino(R) Advanced-N 6230 AGN",
406 .ht_params = &iwl6000_ht_params,
409 struct iwl_cfg iwl6030_2abg_cfg = {
410 .name = "Intel(R) Centrino(R) Advanced-N 6230 ABG",
414 struct iwl_cfg iwl6030_2bgn_cfg = {
415 .name = "Intel(R) Centrino(R) Advanced-N 6230 BGN",
417 .ht_params = &iwl6000_ht_params,
420 struct iwl_cfg iwl6030_2bg_cfg = {
421 .name = "Intel(R) Centrino(R) Advanced-N 6230 BG",
425 struct iwl_cfg iwl6035_2agn_cfg = {
426 .name = "Intel(R) Centrino(R) Advanced-N 6235 AGN",
428 .ht_params = &iwl6000_ht_params,
431 struct iwl_cfg iwl1030_bgn_cfg = {
432 .name = "Intel(R) Centrino(R) Wireless-N 1030 BGN",
434 .ht_params = &iwl6000_ht_params,
437 struct iwl_cfg iwl1030_bg_cfg = {
438 .name = "Intel(R) Centrino(R) Wireless-N 1030 BG",
442 struct iwl_cfg iwl130_bgn_cfg = {
443 .name = "Intel(R) Centrino(R) Wireless-N 130 BGN",
445 .ht_params = &iwl6000_ht_params,
446 .rx_with_siso_diversity = true,
449 struct iwl_cfg iwl130_bg_cfg = {
450 .name = "Intel(R) Centrino(R) Wireless-N 130 BG",
452 .rx_with_siso_diversity = true,
456 * "i": Internal configuration, use internal Power Amplifier
458 #define IWL_DEVICE_6000i \
459 .fw_name_pre = IWL6000_FW_PRE, \
460 .ucode_api_max = IWL6000_UCODE_API_MAX, \
461 .ucode_api_ok = IWL6000_UCODE_API_OK, \
462 .ucode_api_min = IWL6000_UCODE_API_MIN, \
463 .valid_tx_ant = ANT_BC, /* .cfg overwrite */ \
464 .valid_rx_ant = ANT_BC, /* .cfg overwrite */ \
465 .eeprom_ver = EEPROM_6000_EEPROM_VERSION, \
466 .eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION, \
467 .lib = &iwl6000_lib, \
468 .base_params = &iwl6000_base_params, \
469 .pa_type = IWL_PA_INTERNAL, \
470 .led_mode = IWL_LED_BLINK
472 struct iwl_cfg iwl6000i_2agn_cfg = {
473 .name = "Intel(R) Centrino(R) Advanced-N 6200 AGN",
475 .ht_params = &iwl6000_ht_params,
478 struct iwl_cfg iwl6000i_2abg_cfg = {
479 .name = "Intel(R) Centrino(R) Advanced-N 6200 ABG",
483 struct iwl_cfg iwl6000i_2bg_cfg = {
484 .name = "Intel(R) Centrino(R) Advanced-N 6200 BG",
488 #define IWL_DEVICE_6050 \
489 .fw_name_pre = IWL6050_FW_PRE, \
490 .ucode_api_max = IWL6050_UCODE_API_MAX, \
491 .ucode_api_min = IWL6050_UCODE_API_MIN, \
492 .valid_tx_ant = ANT_AB, /* .cfg overwrite */ \
493 .valid_rx_ant = ANT_AB, /* .cfg overwrite */ \
494 .lib = &iwl6000_lib, \
495 .additional_nic_config = iwl6050_additional_nic_config, \
496 .eeprom_ver = EEPROM_6050_EEPROM_VERSION, \
497 .eeprom_calib_ver = EEPROM_6050_TX_POWER_VERSION, \
498 .base_params = &iwl6050_base_params, \
499 .led_mode = IWL_LED_BLINK, \
500 .internal_wimax_coex = true
502 struct iwl_cfg iwl6050_2agn_cfg = {
503 .name = "Intel(R) Centrino(R) Advanced-N + WiMAX 6250 AGN",
505 .ht_params = &iwl6000_ht_params,
508 struct iwl_cfg iwl6050_2abg_cfg = {
509 .name = "Intel(R) Centrino(R) Advanced-N + WiMAX 6250 ABG",
513 #define IWL_DEVICE_6150 \
514 .fw_name_pre = IWL6050_FW_PRE, \
515 .ucode_api_max = IWL6050_UCODE_API_MAX, \
516 .ucode_api_min = IWL6050_UCODE_API_MIN, \
517 .lib = &iwl6000_lib, \
518 .additional_nic_config = iwl6150_additional_nic_config, \
519 .eeprom_ver = EEPROM_6150_EEPROM_VERSION, \
520 .eeprom_calib_ver = EEPROM_6150_TX_POWER_VERSION, \
521 .base_params = &iwl6050_base_params, \
522 .led_mode = IWL_LED_BLINK, \
523 .internal_wimax_coex = true
525 struct iwl_cfg iwl6150_bgn_cfg = {
526 .name = "Intel(R) Centrino(R) Wireless-N + WiMAX 6150 BGN",
528 .ht_params = &iwl6000_ht_params,
531 struct iwl_cfg iwl6150_bg_cfg = {
532 .name = "Intel(R) Centrino(R) Wireless-N + WiMAX 6150 BG",
536 struct iwl_cfg iwl6000_3agn_cfg = {
537 .name = "Intel(R) Centrino(R) Ultimate-N 6300 AGN",
538 .fw_name_pre = IWL6000_FW_PRE,
539 .ucode_api_max = IWL6000_UCODE_API_MAX,
540 .ucode_api_ok = IWL6000_UCODE_API_OK,
541 .ucode_api_min = IWL6000_UCODE_API_MIN,
542 .eeprom_ver = EEPROM_6000_EEPROM_VERSION,
543 .eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION,
545 .base_params = &iwl6000_base_params,
546 .ht_params = &iwl6000_ht_params,
547 .led_mode = IWL_LED_BLINK,
550 MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_OK));
551 MODULE_FIRMWARE(IWL6050_MODULE_FIRMWARE(IWL6050_UCODE_API_MAX));
552 MODULE_FIRMWARE(IWL6005_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX));
553 MODULE_FIRMWARE(IWL6030_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX));