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:
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"
44 #include "iwl-helpers.h"
45 #include "iwl-agn-hw.h"
46 #include "iwl-6000-hw.h"
47 #include "iwl-trans.h"
48 #include "iwl-shared.h"
50 /* Highest firmware API version supported */
51 #define IWL6000_UCODE_API_MAX 4
52 #define IWL6050_UCODE_API_MAX 5
53 #define IWL6000G2_UCODE_API_MAX 6
55 /* Oldest version we won't warn about */
56 #define IWL6000G2_UCODE_API_OK 5
58 /* Lowest firmware API version supported */
59 #define IWL6000_UCODE_API_MIN 4
60 #define IWL6050_UCODE_API_MIN 4
61 #define IWL6000G2_UCODE_API_MIN 4
63 #define IWL6000_FW_PRE "iwlwifi-6000-"
64 #define IWL6000_MODULE_FIRMWARE(api) IWL6000_FW_PRE __stringify(api) ".ucode"
66 #define IWL6050_FW_PRE "iwlwifi-6050-"
67 #define IWL6050_MODULE_FIRMWARE(api) IWL6050_FW_PRE __stringify(api) ".ucode"
69 #define IWL6005_FW_PRE "iwlwifi-6000g2a-"
70 #define IWL6005_MODULE_FIRMWARE(api) IWL6005_FW_PRE __stringify(api) ".ucode"
72 #define IWL6030_FW_PRE "iwlwifi-6000g2b-"
73 #define IWL6030_MODULE_FIRMWARE(api) IWL6030_FW_PRE __stringify(api) ".ucode"
75 static void iwl6000_set_ct_threshold(struct iwl_priv *priv)
78 hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD;
79 hw_params(priv).ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
82 static void iwl6050_additional_nic_config(struct iwl_priv *priv)
84 /* Indicate calibration version to uCode. */
85 if (iwlagn_eeprom_calib_version(priv) >= 6)
86 iwl_set_bit(priv, CSR_GP_DRIVER_REG,
87 CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6);
90 static void iwl6150_additional_nic_config(struct iwl_priv *priv)
92 /* Indicate calibration version to uCode. */
93 if (iwlagn_eeprom_calib_version(priv) >= 6)
94 iwl_set_bit(priv, CSR_GP_DRIVER_REG,
95 CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6);
96 iwl_set_bit(priv, CSR_GP_DRIVER_REG,
97 CSR_GP_DRIVER_REG_BIT_6050_1x2);
100 /* NIC configuration for 6000 series */
101 static void iwl6000_nic_config(struct iwl_priv *priv)
105 /* no locking required for register write */
106 if (priv->cfg->pa_type == IWL_PA_INTERNAL) {
107 /* 2x2 IPA phy type */
108 iwl_write32(priv, CSR_GP_DRIVER_REG,
109 CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_IPA);
111 /* do additional nic configuration if needed */
112 if (priv->cfg->additional_nic_config)
113 priv->cfg->additional_nic_config(priv);
116 static struct iwl_sensitivity_ranges iwl6000_sensitivity = {
118 .max_nrg_cck = 0, /* not used, set to 0 */
119 .auto_corr_min_ofdm = 80,
120 .auto_corr_min_ofdm_mrc = 128,
121 .auto_corr_min_ofdm_x1 = 105,
122 .auto_corr_min_ofdm_mrc_x1 = 192,
124 .auto_corr_max_ofdm = 145,
125 .auto_corr_max_ofdm_mrc = 232,
126 .auto_corr_max_ofdm_x1 = 110,
127 .auto_corr_max_ofdm_mrc_x1 = 232,
129 .auto_corr_min_cck = 125,
130 .auto_corr_max_cck = 175,
131 .auto_corr_min_cck_mrc = 160,
132 .auto_corr_max_cck_mrc = 310,
136 .barker_corr_th_min = 190,
137 .barker_corr_th_min_mrc = 336,
141 static int iwl6000_hw_set_hw_params(struct iwl_priv *priv)
143 if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
144 iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
145 priv->cfg->base_params->num_of_queues =
146 iwlagn_mod_params.num_of_queues;
148 hw_params(priv).max_txq_num = priv->cfg->base_params->num_of_queues;
149 hw_params(priv).scd_bc_tbls_size =
150 priv->cfg->base_params->num_of_queues *
151 sizeof(struct iwlagn_scd_bc_tbl);
152 hw_params(priv).tfd_size = sizeof(struct iwl_tfd);
153 hw_params(priv).max_stations = IWLAGN_STATION_COUNT;
154 priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
156 hw_params(priv).max_data_size = IWL60_RTC_DATA_SIZE;
157 hw_params(priv).max_inst_size = IWL60_RTC_INST_SIZE;
159 hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ) |
160 BIT(IEEE80211_BAND_5GHZ);
162 hw_params(priv).tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
163 if (priv->cfg->rx_with_siso_diversity)
164 hw_params(priv).rx_chains_num = 1;
166 hw_params(priv).rx_chains_num =
167 num_of_ant(priv->cfg->valid_rx_ant);
168 hw_params(priv).valid_tx_ant = priv->cfg->valid_tx_ant;
169 hw_params(priv).valid_rx_ant = priv->cfg->valid_rx_ant;
171 iwl6000_set_ct_threshold(priv);
173 /* Set initial sensitivity parameters */
174 /* Set initial calibration set */
175 hw_params(priv).sens = &iwl6000_sensitivity;
176 hw_params(priv).calib_init_cfg =
177 BIT(IWL_CALIB_XTAL) |
179 BIT(IWL_CALIB_TX_IQ) |
180 BIT(IWL_CALIB_BASE_BAND);
181 if (priv->cfg->need_dc_calib)
182 hw_params(priv).calib_rt_cfg |= IWL_CALIB_CFG_DC_IDX;
183 if (priv->cfg->need_temp_offset_calib)
184 hw_params(priv).calib_init_cfg |= BIT(IWL_CALIB_TEMP_OFFSET);
186 hw_params(priv).beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
191 static int iwl6000_hw_channel_switch(struct iwl_priv *priv,
192 struct ieee80211_channel_switch *ch_switch)
196 * See iwl_mac_channel_switch.
198 struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
199 struct iwl6000_channel_switch_cmd cmd;
200 const struct iwl_channel_info *ch_info;
201 u32 switch_time_in_usec, ucode_switch_time;
205 u16 beacon_interval = le16_to_cpu(ctx->timing.beacon_interval);
206 struct ieee80211_vif *vif = ctx->vif;
207 struct iwl_host_cmd hcmd = {
208 .id = REPLY_CHANNEL_SWITCH,
209 .len = { sizeof(cmd), },
214 cmd.band = priv->band == IEEE80211_BAND_2GHZ;
215 ch = ch_switch->channel->hw_value;
216 IWL_DEBUG_11H(priv, "channel switch from %u to %u\n",
217 ctx->active.channel, ch);
218 cmd.channel = cpu_to_le16(ch);
219 cmd.rxon_flags = ctx->staging.flags;
220 cmd.rxon_filter_flags = ctx->staging.filter_flags;
221 switch_count = ch_switch->count;
222 tsf_low = ch_switch->timestamp & 0x0ffffffff;
224 * calculate the ucode channel switch time
225 * adding TSF as one of the factor for when to switch
227 if ((priv->ucode_beacon_time > tsf_low) && beacon_interval) {
228 if (switch_count > ((priv->ucode_beacon_time - tsf_low) /
230 switch_count -= (priv->ucode_beacon_time -
231 tsf_low) / beacon_interval;
235 if (switch_count <= 1)
236 cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
238 switch_time_in_usec =
239 vif->bss_conf.beacon_int * switch_count * TIME_UNIT;
240 ucode_switch_time = iwl_usecs_to_beacons(priv,
243 cmd.switch_time = iwl_add_beacon_time(priv,
244 priv->ucode_beacon_time,
248 IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
250 ch_info = iwl_get_channel_info(priv, priv->band, ch);
252 cmd.expect_beacon = is_channel_radar(ch_info);
254 IWL_ERR(priv, "invalid channel switch from %u to %u\n",
255 ctx->active.channel, ch);
259 return iwl_trans_send_cmd(trans(priv), &hcmd);
262 static struct iwl_lib_ops iwl6000_lib = {
263 .set_hw_params = iwl6000_hw_set_hw_params,
264 .set_channel_switch = iwl6000_hw_channel_switch,
265 .nic_config = iwl6000_nic_config,
267 .regulatory_bands = {
268 EEPROM_REG_BAND_1_CHANNELS,
269 EEPROM_REG_BAND_2_CHANNELS,
270 EEPROM_REG_BAND_3_CHANNELS,
271 EEPROM_REG_BAND_4_CHANNELS,
272 EEPROM_REG_BAND_5_CHANNELS,
273 EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
274 EEPROM_REG_BAND_52_HT40_CHANNELS
276 .update_enhanced_txpower = iwl_eeprom_enhanced_txpower,
278 .temperature = iwlagn_temperature,
281 static struct iwl_lib_ops iwl6030_lib = {
282 .set_hw_params = iwl6000_hw_set_hw_params,
283 .bt_rx_handler_setup = iwlagn_bt_rx_handler_setup,
284 .bt_setup_deferred_work = iwlagn_bt_setup_deferred_work,
285 .cancel_deferred_work = iwlagn_bt_cancel_deferred_work,
286 .set_channel_switch = iwl6000_hw_channel_switch,
287 .nic_config = iwl6000_nic_config,
289 .regulatory_bands = {
290 EEPROM_REG_BAND_1_CHANNELS,
291 EEPROM_REG_BAND_2_CHANNELS,
292 EEPROM_REG_BAND_3_CHANNELS,
293 EEPROM_REG_BAND_4_CHANNELS,
294 EEPROM_REG_BAND_5_CHANNELS,
295 EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
296 EEPROM_REG_BAND_52_HT40_CHANNELS
298 .update_enhanced_txpower = iwl_eeprom_enhanced_txpower,
300 .temperature = iwlagn_temperature,
303 static struct iwl_base_params iwl6000_base_params = {
304 .eeprom_size = OTP_LOW_IMAGE_SIZE,
305 .num_of_queues = IWLAGN_NUM_QUEUES,
306 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
308 .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
309 .shadow_ram_support = true,
310 .led_compensation = 51,
311 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
312 .adv_thermal_throttle = true,
313 .support_ct_kill_exit = true,
314 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
315 .chain_noise_scale = 1000,
316 .wd_timeout = IWL_DEF_WD_TIMEOUT,
317 .max_event_log_size = 512,
318 .shadow_reg_enable = true,
321 static struct iwl_base_params iwl6050_base_params = {
322 .eeprom_size = OTP_LOW_IMAGE_SIZE,
323 .num_of_queues = IWLAGN_NUM_QUEUES,
324 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
326 .max_ll_items = OTP_MAX_LL_ITEMS_6x50,
327 .shadow_ram_support = true,
328 .led_compensation = 51,
329 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
330 .adv_thermal_throttle = true,
331 .support_ct_kill_exit = true,
332 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
333 .chain_noise_scale = 1500,
334 .wd_timeout = IWL_DEF_WD_TIMEOUT,
335 .max_event_log_size = 1024,
336 .shadow_reg_enable = true,
338 static struct iwl_base_params iwl6000_g2_base_params = {
339 .eeprom_size = OTP_LOW_IMAGE_SIZE,
340 .num_of_queues = IWLAGN_NUM_QUEUES,
341 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
343 .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
344 .shadow_ram_support = true,
345 .led_compensation = 57,
346 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
347 .adv_thermal_throttle = true,
348 .support_ct_kill_exit = true,
349 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
350 .chain_noise_scale = 1000,
351 .wd_timeout = IWL_LONG_WD_TIMEOUT,
352 .max_event_log_size = 512,
353 .shadow_reg_enable = true,
356 static struct iwl_ht_params iwl6000_ht_params = {
357 .ht_greenfield_support = true,
358 .use_rts_for_aggregation = true, /* use rts/cts protection */
361 static struct iwl_bt_params iwl6000_bt_params = {
362 /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
363 .advanced_bt_coexist = true,
364 .agg_time_limit = BT_AGG_THRESHOLD_DEF,
365 .bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
366 .bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
367 .bt_sco_disable = true,
370 #define IWL_DEVICE_6005 \
371 .fw_name_pre = IWL6005_FW_PRE, \
372 .ucode_api_max = IWL6000G2_UCODE_API_MAX, \
373 .ucode_api_ok = IWL6000G2_UCODE_API_OK, \
374 .ucode_api_min = IWL6000G2_UCODE_API_MIN, \
375 .eeprom_ver = EEPROM_6005_EEPROM_VERSION, \
376 .eeprom_calib_ver = EEPROM_6005_TX_POWER_VERSION, \
377 .lib = &iwl6000_lib, \
378 .base_params = &iwl6000_g2_base_params, \
379 .need_dc_calib = true, \
380 .need_temp_offset_calib = true, \
381 .led_mode = IWL_LED_RF_STATE
383 struct iwl_cfg iwl6005_2agn_cfg = {
384 .name = "Intel(R) Centrino(R) Advanced-N 6205 AGN",
386 .ht_params = &iwl6000_ht_params,
389 struct iwl_cfg iwl6005_2abg_cfg = {
390 .name = "Intel(R) Centrino(R) Advanced-N 6205 ABG",
394 struct iwl_cfg iwl6005_2bg_cfg = {
395 .name = "Intel(R) Centrino(R) Advanced-N 6205 BG",
399 #define IWL_DEVICE_6030 \
400 .fw_name_pre = IWL6030_FW_PRE, \
401 .ucode_api_max = IWL6000G2_UCODE_API_MAX, \
402 .ucode_api_ok = IWL6000G2_UCODE_API_OK, \
403 .ucode_api_min = IWL6000G2_UCODE_API_MIN, \
404 .eeprom_ver = EEPROM_6030_EEPROM_VERSION, \
405 .eeprom_calib_ver = EEPROM_6030_TX_POWER_VERSION, \
406 .lib = &iwl6030_lib, \
407 .base_params = &iwl6000_g2_base_params, \
408 .bt_params = &iwl6000_bt_params, \
409 .need_dc_calib = true, \
410 .need_temp_offset_calib = true, \
411 .led_mode = IWL_LED_RF_STATE, \
414 struct iwl_cfg iwl6030_2agn_cfg = {
415 .name = "Intel(R) Centrino(R) Advanced-N 6230 AGN",
417 .ht_params = &iwl6000_ht_params,
420 struct iwl_cfg iwl6030_2abg_cfg = {
421 .name = "Intel(R) Centrino(R) Advanced-N 6230 ABG",
425 struct iwl_cfg iwl6030_2bgn_cfg = {
426 .name = "Intel(R) Centrino(R) Advanced-N 6230 BGN",
428 .ht_params = &iwl6000_ht_params,
431 struct iwl_cfg iwl6030_2bg_cfg = {
432 .name = "Intel(R) Centrino(R) Advanced-N 6230 BG",
436 struct iwl_cfg iwl6035_2agn_cfg = {
437 .name = "6035 Series 2x2 AGN/BT",
439 .ht_params = &iwl6000_ht_params,
442 struct iwl_cfg iwl6035_2abg_cfg = {
443 .name = "6035 Series 2x2 ABG/BT",
447 struct iwl_cfg iwl6035_2bg_cfg = {
448 .name = "6035 Series 2x2 BG/BT",
452 struct iwl_cfg iwl1030_bgn_cfg = {
453 .name = "Intel(R) Centrino(R) Wireless-N 1030 BGN",
455 .ht_params = &iwl6000_ht_params,
458 struct iwl_cfg iwl1030_bg_cfg = {
459 .name = "Intel(R) Centrino(R) Wireless-N 1030 BG",
463 struct iwl_cfg iwl130_bgn_cfg = {
464 .name = "Intel(R) Centrino(R) Wireless-N 130 BGN",
466 .ht_params = &iwl6000_ht_params,
467 .rx_with_siso_diversity = true,
470 struct iwl_cfg iwl130_bg_cfg = {
471 .name = "Intel(R) Centrino(R) Wireless-N 130 BG",
473 .rx_with_siso_diversity = true,
477 * "i": Internal configuration, use internal Power Amplifier
479 #define IWL_DEVICE_6000i \
480 .fw_name_pre = IWL6000_FW_PRE, \
481 .ucode_api_max = IWL6000_UCODE_API_MAX, \
482 .ucode_api_min = IWL6000_UCODE_API_MIN, \
483 .valid_tx_ant = ANT_BC, /* .cfg overwrite */ \
484 .valid_rx_ant = ANT_BC, /* .cfg overwrite */ \
485 .eeprom_ver = EEPROM_6000_EEPROM_VERSION, \
486 .eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION, \
487 .lib = &iwl6000_lib, \
488 .base_params = &iwl6000_base_params, \
489 .pa_type = IWL_PA_INTERNAL, \
490 .led_mode = IWL_LED_BLINK
492 struct iwl_cfg iwl6000i_2agn_cfg = {
493 .name = "Intel(R) Centrino(R) Advanced-N 6200 AGN",
495 .ht_params = &iwl6000_ht_params,
498 struct iwl_cfg iwl6000i_2abg_cfg = {
499 .name = "Intel(R) Centrino(R) Advanced-N 6200 ABG",
503 struct iwl_cfg iwl6000i_2bg_cfg = {
504 .name = "Intel(R) Centrino(R) Advanced-N 6200 BG",
508 #define IWL_DEVICE_6050 \
509 .fw_name_pre = IWL6050_FW_PRE, \
510 .ucode_api_max = IWL6050_UCODE_API_MAX, \
511 .ucode_api_min = IWL6050_UCODE_API_MIN, \
512 .valid_tx_ant = ANT_AB, /* .cfg overwrite */ \
513 .valid_rx_ant = ANT_AB, /* .cfg overwrite */ \
514 .lib = &iwl6000_lib, \
515 .additional_nic_config = iwl6050_additional_nic_config, \
516 .eeprom_ver = EEPROM_6050_EEPROM_VERSION, \
517 .eeprom_calib_ver = EEPROM_6050_TX_POWER_VERSION, \
518 .base_params = &iwl6050_base_params, \
519 .need_dc_calib = true, \
520 .led_mode = IWL_LED_BLINK, \
521 .internal_wimax_coex = true
523 struct iwl_cfg iwl6050_2agn_cfg = {
524 .name = "Intel(R) Centrino(R) Advanced-N + WiMAX 6250 AGN",
526 .ht_params = &iwl6000_ht_params,
529 struct iwl_cfg iwl6050_2abg_cfg = {
530 .name = "Intel(R) Centrino(R) Advanced-N + WiMAX 6250 ABG",
534 #define IWL_DEVICE_6150 \
535 .fw_name_pre = IWL6050_FW_PRE, \
536 .ucode_api_max = IWL6050_UCODE_API_MAX, \
537 .ucode_api_min = IWL6050_UCODE_API_MIN, \
538 .lib = &iwl6000_lib, \
539 .additional_nic_config = iwl6150_additional_nic_config, \
540 .eeprom_ver = EEPROM_6150_EEPROM_VERSION, \
541 .eeprom_calib_ver = EEPROM_6150_TX_POWER_VERSION, \
542 .base_params = &iwl6050_base_params, \
543 .need_dc_calib = true, \
544 .led_mode = IWL_LED_BLINK, \
545 .internal_wimax_coex = true
547 struct iwl_cfg iwl6150_bgn_cfg = {
548 .name = "Intel(R) Centrino(R) Wireless-N + WiMAX 6150 BGN",
550 .ht_params = &iwl6000_ht_params,
553 struct iwl_cfg iwl6150_bg_cfg = {
554 .name = "Intel(R) Centrino(R) Wireless-N + WiMAX 6150 BG",
558 struct iwl_cfg iwl6000_3agn_cfg = {
559 .name = "Intel(R) Centrino(R) Ultimate-N 6300 AGN",
560 .fw_name_pre = IWL6000_FW_PRE,
561 .ucode_api_max = IWL6000_UCODE_API_MAX,
562 .ucode_api_min = IWL6000_UCODE_API_MIN,
563 .eeprom_ver = EEPROM_6000_EEPROM_VERSION,
564 .eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION,
566 .base_params = &iwl6000_base_params,
567 .ht_params = &iwl6000_ht_params,
568 .need_dc_calib = true,
569 .led_mode = IWL_LED_BLINK,
572 MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));
573 MODULE_FIRMWARE(IWL6050_MODULE_FIRMWARE(IWL6050_UCODE_API_MAX));
574 MODULE_FIRMWARE(IWL6005_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX));
575 MODULE_FIRMWARE(IWL6030_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX));