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 <linux/wireless.h>
34 #include <net/mac80211.h>
35 #include <linux/etherdevice.h>
36 #include <asm/unaligned.h>
37 #include <linux/stringify.h>
39 #include "iwl-eeprom.h"
45 #include "iwl-helpers.h"
46 #include "iwl-agn-hw.h"
47 #include "iwl-6000-hw.h"
48 #include "iwl-trans.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 5
55 /* Lowest firmware API version supported */
56 #define IWL6000_UCODE_API_MIN 4
57 #define IWL6050_UCODE_API_MIN 4
58 #define IWL6000G2_UCODE_API_MIN 4
60 #define IWL6000_FW_PRE "iwlwifi-6000-"
61 #define IWL6000_MODULE_FIRMWARE(api) IWL6000_FW_PRE __stringify(api) ".ucode"
63 #define IWL6050_FW_PRE "iwlwifi-6050-"
64 #define IWL6050_MODULE_FIRMWARE(api) IWL6050_FW_PRE __stringify(api) ".ucode"
66 #define IWL6005_FW_PRE "iwlwifi-6000g2a-"
67 #define IWL6005_MODULE_FIRMWARE(api) IWL6005_FW_PRE __stringify(api) ".ucode"
69 #define IWL6030_FW_PRE "iwlwifi-6000g2b-"
70 #define IWL6030_MODULE_FIRMWARE(api) IWL6030_FW_PRE __stringify(api) ".ucode"
72 static void iwl6000_set_ct_threshold(struct iwl_priv *priv)
75 priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD;
76 priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
79 static void iwl6050_additional_nic_config(struct iwl_priv *priv)
81 /* Indicate calibration version to uCode. */
82 if (iwlagn_eeprom_calib_version(priv) >= 6)
83 iwl_set_bit(priv, CSR_GP_DRIVER_REG,
84 CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6);
87 static void iwl6150_additional_nic_config(struct iwl_priv *priv)
89 /* Indicate calibration version to uCode. */
90 if (iwlagn_eeprom_calib_version(priv) >= 6)
91 iwl_set_bit(priv, CSR_GP_DRIVER_REG,
92 CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6);
93 iwl_set_bit(priv, CSR_GP_DRIVER_REG,
94 CSR_GP_DRIVER_REG_BIT_6050_1x2);
97 /* NIC configuration for 6000 series */
98 static void iwl6000_nic_config(struct iwl_priv *priv)
102 /* no locking required for register write */
103 if (priv->cfg->pa_type == IWL_PA_INTERNAL) {
104 /* 2x2 IPA phy type */
105 iwl_write32(priv, CSR_GP_DRIVER_REG,
106 CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_IPA);
108 /* do additional nic configuration if needed */
109 if (priv->cfg->additional_nic_config)
110 priv->cfg->additional_nic_config(priv);
113 static struct iwl_sensitivity_ranges iwl6000_sensitivity = {
115 .max_nrg_cck = 0, /* not used, set to 0 */
116 .auto_corr_min_ofdm = 80,
117 .auto_corr_min_ofdm_mrc = 128,
118 .auto_corr_min_ofdm_x1 = 105,
119 .auto_corr_min_ofdm_mrc_x1 = 192,
121 .auto_corr_max_ofdm = 145,
122 .auto_corr_max_ofdm_mrc = 232,
123 .auto_corr_max_ofdm_x1 = 110,
124 .auto_corr_max_ofdm_mrc_x1 = 232,
126 .auto_corr_min_cck = 125,
127 .auto_corr_max_cck = 175,
128 .auto_corr_min_cck_mrc = 160,
129 .auto_corr_max_cck_mrc = 310,
133 .barker_corr_th_min = 190,
134 .barker_corr_th_min_mrc = 390,
138 static int iwl6000_hw_set_hw_params(struct iwl_priv *priv)
140 if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
141 iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
142 priv->cfg->base_params->num_of_queues =
143 iwlagn_mod_params.num_of_queues;
145 priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues;
146 priv->hw_params.scd_bc_tbls_size =
147 priv->cfg->base_params->num_of_queues *
148 sizeof(struct iwlagn_scd_bc_tbl);
149 priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
150 priv->hw_params.max_stations = IWLAGN_STATION_COUNT;
151 priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
153 priv->hw_params.max_data_size = IWL60_RTC_DATA_SIZE;
154 priv->hw_params.max_inst_size = IWL60_RTC_INST_SIZE;
156 priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) |
157 BIT(IEEE80211_BAND_5GHZ);
159 priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
160 if (priv->cfg->rx_with_siso_diversity)
161 priv->hw_params.rx_chains_num = 1;
163 priv->hw_params.rx_chains_num =
164 num_of_ant(priv->cfg->valid_rx_ant);
165 priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
166 priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
168 iwl6000_set_ct_threshold(priv);
170 /* Set initial sensitivity parameters */
171 /* Set initial calibration set */
172 priv->hw_params.sens = &iwl6000_sensitivity;
173 priv->hw_params.calib_init_cfg =
174 BIT(IWL_CALIB_XTAL) |
176 BIT(IWL_CALIB_TX_IQ) |
177 BIT(IWL_CALIB_BASE_BAND);
178 if (priv->cfg->need_dc_calib)
179 priv->hw_params.calib_rt_cfg |= IWL_CALIB_CFG_DC_IDX;
180 if (priv->cfg->need_temp_offset_calib)
181 priv->hw_params.calib_init_cfg |= BIT(IWL_CALIB_TEMP_OFFSET);
183 priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
188 static int iwl6000_hw_channel_switch(struct iwl_priv *priv,
189 struct ieee80211_channel_switch *ch_switch)
193 * See iwl_mac_channel_switch.
195 struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
196 struct iwl6000_channel_switch_cmd cmd;
197 const struct iwl_channel_info *ch_info;
198 u32 switch_time_in_usec, ucode_switch_time;
202 u16 beacon_interval = le16_to_cpu(ctx->timing.beacon_interval);
203 struct ieee80211_vif *vif = ctx->vif;
204 struct iwl_host_cmd hcmd = {
205 .id = REPLY_CHANNEL_SWITCH,
206 .len = { sizeof(cmd), },
211 cmd.band = priv->band == IEEE80211_BAND_2GHZ;
212 ch = ch_switch->channel->hw_value;
213 IWL_DEBUG_11H(priv, "channel switch from %u to %u\n",
214 ctx->active.channel, ch);
215 cmd.channel = cpu_to_le16(ch);
216 cmd.rxon_flags = ctx->staging.flags;
217 cmd.rxon_filter_flags = ctx->staging.filter_flags;
218 switch_count = ch_switch->count;
219 tsf_low = ch_switch->timestamp & 0x0ffffffff;
221 * calculate the ucode channel switch time
222 * adding TSF as one of the factor for when to switch
224 if ((priv->ucode_beacon_time > tsf_low) && beacon_interval) {
225 if (switch_count > ((priv->ucode_beacon_time - tsf_low) /
227 switch_count -= (priv->ucode_beacon_time -
228 tsf_low) / beacon_interval;
232 if (switch_count <= 1)
233 cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
235 switch_time_in_usec =
236 vif->bss_conf.beacon_int * switch_count * TIME_UNIT;
237 ucode_switch_time = iwl_usecs_to_beacons(priv,
240 cmd.switch_time = iwl_add_beacon_time(priv,
241 priv->ucode_beacon_time,
245 IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
247 ch_info = iwl_get_channel_info(priv, priv->band, ch);
249 cmd.expect_beacon = is_channel_radar(ch_info);
251 IWL_ERR(priv, "invalid channel switch from %u to %u\n",
252 ctx->active.channel, ch);
256 return trans_send_cmd(priv, &hcmd);
259 static struct iwl_lib_ops iwl6000_lib = {
260 .set_hw_params = iwl6000_hw_set_hw_params,
261 .set_channel_switch = iwl6000_hw_channel_switch,
262 .nic_config = iwl6000_nic_config,
264 .regulatory_bands = {
265 EEPROM_REG_BAND_1_CHANNELS,
266 EEPROM_REG_BAND_2_CHANNELS,
267 EEPROM_REG_BAND_3_CHANNELS,
268 EEPROM_REG_BAND_4_CHANNELS,
269 EEPROM_REG_BAND_5_CHANNELS,
270 EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
271 EEPROM_REG_BAND_52_HT40_CHANNELS
273 .update_enhanced_txpower = iwlcore_eeprom_enhanced_txpower,
275 .temperature = iwlagn_temperature,
278 static struct iwl_lib_ops iwl6030_lib = {
279 .set_hw_params = iwl6000_hw_set_hw_params,
280 .bt_rx_handler_setup = iwlagn_bt_rx_handler_setup,
281 .bt_setup_deferred_work = iwlagn_bt_setup_deferred_work,
282 .cancel_deferred_work = iwlagn_bt_cancel_deferred_work,
283 .set_channel_switch = iwl6000_hw_channel_switch,
284 .nic_config = iwl6000_nic_config,
286 .regulatory_bands = {
287 EEPROM_REG_BAND_1_CHANNELS,
288 EEPROM_REG_BAND_2_CHANNELS,
289 EEPROM_REG_BAND_3_CHANNELS,
290 EEPROM_REG_BAND_4_CHANNELS,
291 EEPROM_REG_BAND_5_CHANNELS,
292 EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
293 EEPROM_REG_BAND_52_HT40_CHANNELS
295 .update_enhanced_txpower = iwlcore_eeprom_enhanced_txpower,
297 .temperature = iwlagn_temperature,
300 static struct iwl_base_params iwl6000_base_params = {
301 .eeprom_size = OTP_LOW_IMAGE_SIZE,
302 .num_of_queues = IWLAGN_NUM_QUEUES,
303 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
305 .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
306 .shadow_ram_support = true,
307 .led_compensation = 51,
308 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
309 .adv_thermal_throttle = true,
310 .support_ct_kill_exit = true,
311 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
312 .chain_noise_scale = 1000,
313 .wd_timeout = IWL_DEF_WD_TIMEOUT,
314 .max_event_log_size = 512,
315 .shadow_reg_enable = true,
318 static struct iwl_base_params iwl6050_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_6x50,
324 .shadow_ram_support = true,
325 .led_compensation = 51,
326 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
327 .adv_thermal_throttle = true,
328 .support_ct_kill_exit = true,
329 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
330 .chain_noise_scale = 1500,
331 .wd_timeout = IWL_DEF_WD_TIMEOUT,
332 .max_event_log_size = 1024,
333 .shadow_reg_enable = true,
335 static struct iwl_base_params iwl6000_g2_base_params = {
336 .eeprom_size = OTP_LOW_IMAGE_SIZE,
337 .num_of_queues = IWLAGN_NUM_QUEUES,
338 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
340 .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
341 .shadow_ram_support = true,
342 .led_compensation = 57,
343 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
344 .adv_thermal_throttle = true,
345 .support_ct_kill_exit = true,
346 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
347 .chain_noise_scale = 1000,
348 .wd_timeout = IWL_LONG_WD_TIMEOUT,
349 .max_event_log_size = 512,
350 .shadow_reg_enable = true,
353 static struct iwl_ht_params iwl6000_ht_params = {
354 .ht_greenfield_support = true,
355 .use_rts_for_aggregation = true, /* use rts/cts protection */
358 static struct iwl_bt_params iwl6000_bt_params = {
359 /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
360 .advanced_bt_coexist = true,
361 .agg_time_limit = BT_AGG_THRESHOLD_DEF,
362 .bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
363 .bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
364 .bt_sco_disable = true,
367 #define IWL_DEVICE_6005 \
368 .fw_name_pre = IWL6005_FW_PRE, \
369 .ucode_api_max = IWL6000G2_UCODE_API_MAX, \
370 .ucode_api_min = IWL6000G2_UCODE_API_MIN, \
371 .eeprom_ver = EEPROM_6005_EEPROM_VERSION, \
372 .eeprom_calib_ver = EEPROM_6005_TX_POWER_VERSION, \
373 .lib = &iwl6000_lib, \
374 .base_params = &iwl6000_g2_base_params, \
375 .need_dc_calib = true, \
376 .need_temp_offset_calib = true, \
377 .led_mode = IWL_LED_RF_STATE
379 struct iwl_cfg iwl6005_2agn_cfg = {
380 .name = "Intel(R) Centrino(R) Advanced-N 6205 AGN",
382 .ht_params = &iwl6000_ht_params,
385 struct iwl_cfg iwl6005_2abg_cfg = {
386 .name = "Intel(R) Centrino(R) Advanced-N 6205 ABG",
390 struct iwl_cfg iwl6005_2bg_cfg = {
391 .name = "Intel(R) Centrino(R) Advanced-N 6205 BG",
395 #define IWL_DEVICE_6030 \
396 .fw_name_pre = IWL6030_FW_PRE, \
397 .ucode_api_max = IWL6000G2_UCODE_API_MAX, \
398 .ucode_api_min = IWL6000G2_UCODE_API_MIN, \
399 .eeprom_ver = EEPROM_6030_EEPROM_VERSION, \
400 .eeprom_calib_ver = EEPROM_6030_TX_POWER_VERSION, \
401 .lib = &iwl6030_lib, \
402 .base_params = &iwl6000_g2_base_params, \
403 .bt_params = &iwl6000_bt_params, \
404 .need_dc_calib = true, \
405 .need_temp_offset_calib = true, \
406 .led_mode = IWL_LED_RF_STATE, \
409 struct iwl_cfg iwl6030_2agn_cfg = {
410 .name = "Intel(R) Centrino(R) Advanced-N 6230 AGN",
412 .ht_params = &iwl6000_ht_params,
415 struct iwl_cfg iwl6030_2abg_cfg = {
416 .name = "Intel(R) Centrino(R) Advanced-N 6230 ABG",
420 struct iwl_cfg iwl6030_2bgn_cfg = {
421 .name = "Intel(R) Centrino(R) Advanced-N 6230 BGN",
423 .ht_params = &iwl6000_ht_params,
426 struct iwl_cfg iwl6030_2bg_cfg = {
427 .name = "Intel(R) Centrino(R) Advanced-N 6230 BG",
431 struct iwl_cfg iwl6035_2agn_cfg = {
432 .name = "6035 Series 2x2 AGN/BT",
434 .ht_params = &iwl6000_ht_params,
437 struct iwl_cfg iwl6035_2abg_cfg = {
438 .name = "6035 Series 2x2 ABG/BT",
442 struct iwl_cfg iwl6035_2bg_cfg = {
443 .name = "6035 Series 2x2 BG/BT",
447 struct iwl_cfg iwl1030_bgn_cfg = {
448 .name = "Intel(R) Centrino(R) Wireless-N 1030 BGN",
450 .ht_params = &iwl6000_ht_params,
453 struct iwl_cfg iwl1030_bg_cfg = {
454 .name = "Intel(R) Centrino(R) Wireless-N 1030 BG",
458 struct iwl_cfg iwl130_bgn_cfg = {
459 .name = "Intel(R) Centrino(R) Wireless-N 130 BGN",
461 .ht_params = &iwl6000_ht_params,
462 .rx_with_siso_diversity = true,
465 struct iwl_cfg iwl130_bg_cfg = {
466 .name = "Intel(R) Centrino(R) Wireless-N 130 BG",
468 .rx_with_siso_diversity = true,
472 * "i": Internal configuration, use internal Power Amplifier
474 #define IWL_DEVICE_6000i \
475 .fw_name_pre = IWL6000_FW_PRE, \
476 .ucode_api_max = IWL6000_UCODE_API_MAX, \
477 .ucode_api_min = IWL6000_UCODE_API_MIN, \
478 .valid_tx_ant = ANT_BC, /* .cfg overwrite */ \
479 .valid_rx_ant = ANT_BC, /* .cfg overwrite */ \
480 .eeprom_ver = EEPROM_6000_EEPROM_VERSION, \
481 .eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION, \
482 .lib = &iwl6000_lib, \
483 .base_params = &iwl6000_base_params, \
484 .pa_type = IWL_PA_INTERNAL, \
485 .led_mode = IWL_LED_BLINK
487 struct iwl_cfg iwl6000i_2agn_cfg = {
488 .name = "Intel(R) Centrino(R) Advanced-N 6200 AGN",
490 .ht_params = &iwl6000_ht_params,
493 struct iwl_cfg iwl6000i_2abg_cfg = {
494 .name = "Intel(R) Centrino(R) Advanced-N 6200 ABG",
498 struct iwl_cfg iwl6000i_2bg_cfg = {
499 .name = "Intel(R) Centrino(R) Advanced-N 6200 BG",
503 #define IWL_DEVICE_6050 \
504 .fw_name_pre = IWL6050_FW_PRE, \
505 .ucode_api_max = IWL6050_UCODE_API_MAX, \
506 .ucode_api_min = IWL6050_UCODE_API_MIN, \
507 .valid_tx_ant = ANT_AB, /* .cfg overwrite */ \
508 .valid_rx_ant = ANT_AB, /* .cfg overwrite */ \
509 .lib = &iwl6000_lib, \
510 .additional_nic_config = iwl6050_additional_nic_config, \
511 .eeprom_ver = EEPROM_6050_EEPROM_VERSION, \
512 .eeprom_calib_ver = EEPROM_6050_TX_POWER_VERSION, \
513 .base_params = &iwl6050_base_params, \
514 .need_dc_calib = true, \
515 .led_mode = IWL_LED_BLINK, \
516 .internal_wimax_coex = true
518 struct iwl_cfg iwl6050_2agn_cfg = {
519 .name = "Intel(R) Centrino(R) Advanced-N + WiMAX 6250 AGN",
521 .ht_params = &iwl6000_ht_params,
524 struct iwl_cfg iwl6050_2abg_cfg = {
525 .name = "Intel(R) Centrino(R) Advanced-N + WiMAX 6250 ABG",
529 #define IWL_DEVICE_6150 \
530 .fw_name_pre = IWL6050_FW_PRE, \
531 .ucode_api_max = IWL6050_UCODE_API_MAX, \
532 .ucode_api_min = IWL6050_UCODE_API_MIN, \
533 .lib = &iwl6000_lib, \
534 .additional_nic_config = iwl6150_additional_nic_config, \
535 .eeprom_ver = EEPROM_6150_EEPROM_VERSION, \
536 .eeprom_calib_ver = EEPROM_6150_TX_POWER_VERSION, \
537 .base_params = &iwl6050_base_params, \
538 .need_dc_calib = true, \
539 .led_mode = IWL_LED_BLINK, \
540 .internal_wimax_coex = true
542 struct iwl_cfg iwl6150_bgn_cfg = {
543 .name = "Intel(R) Centrino(R) Wireless-N + WiMAX 6150 BGN",
545 .ht_params = &iwl6000_ht_params,
548 struct iwl_cfg iwl6150_bg_cfg = {
549 .name = "Intel(R) Centrino(R) Wireless-N + WiMAX 6150 BG",
553 struct iwl_cfg iwl6000_3agn_cfg = {
554 .name = "Intel(R) Centrino(R) Ultimate-N 6300 AGN",
555 .fw_name_pre = IWL6000_FW_PRE,
556 .ucode_api_max = IWL6000_UCODE_API_MAX,
557 .ucode_api_min = IWL6000_UCODE_API_MIN,
558 .eeprom_ver = EEPROM_6000_EEPROM_VERSION,
559 .eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION,
561 .base_params = &iwl6000_base_params,
562 .ht_params = &iwl6000_ht_params,
563 .need_dc_calib = true,
564 .led_mode = IWL_LED_BLINK,
567 MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));
568 MODULE_FIRMWARE(IWL6050_MODULE_FIRMWARE(IWL6050_UCODE_API_MAX));
569 MODULE_FIRMWARE(IWL6005_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX));
570 MODULE_FIRMWARE(IWL6030_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX));