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/pci.h>
31 #include <linux/dma-mapping.h>
32 #include <linux/delay.h>
33 #include <linux/skbuff.h>
34 #include <linux/netdevice.h>
35 #include <linux/wireless.h>
36 #include <net/mac80211.h>
37 #include <linux/etherdevice.h>
38 #include <asm/unaligned.h>
40 #include "iwl-eeprom.h"
46 #include "iwl-helpers.h"
47 #include "iwl-agn-hw.h"
48 #include "iwl-6000-hw.h"
50 /* Highest firmware API version supported */
51 #define IWL2030_UCODE_API_MAX 5
52 #define IWL2000_UCODE_API_MAX 5
53 #define IWL105_UCODE_API_MAX 5
55 /* Lowest firmware API version supported */
56 #define IWL2030_UCODE_API_MIN 5
57 #define IWL2000_UCODE_API_MIN 5
58 #define IWL105_UCODE_API_MIN 5
60 #define IWL2030_FW_PRE "iwlwifi-2030-"
61 #define IWL2030_MODULE_FIRMWARE(api) IWL2030_FW_PRE #api ".ucode"
63 #define IWL2000_FW_PRE "iwlwifi-2000-"
64 #define IWL2000_MODULE_FIRMWARE(api) IWL2000_FW_PRE #api ".ucode"
66 #define IWL105_FW_PRE "iwlwifi-105-"
67 #define IWL105_MODULE_FIRMWARE(api) IWL105_FW_PRE #api ".ucode"
69 static void iwl2000_set_ct_threshold(struct iwl_priv
*priv
)
72 priv
->hw_params
.ct_kill_threshold
= CT_KILL_THRESHOLD
;
73 priv
->hw_params
.ct_kill_exit_threshold
= CT_KILL_EXIT_THRESHOLD
;
76 /* NIC configuration for 2000 series */
77 static void iwl2000_nic_config(struct iwl_priv
*priv
)
81 radio_cfg
= iwl_eeprom_query16(priv
, EEPROM_RADIO_CONFIG
);
83 /* write radio config values to register */
84 if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg
) <= EEPROM_RF_CONFIG_TYPE_MAX
)
85 iwl_set_bit(priv
, CSR_HW_IF_CONFIG_REG
,
86 EEPROM_RF_CFG_TYPE_MSK(radio_cfg
) |
87 EEPROM_RF_CFG_STEP_MSK(radio_cfg
) |
88 EEPROM_RF_CFG_DASH_MSK(radio_cfg
));
90 /* set CSR_HW_CONFIG_REG for uCode use */
91 iwl_set_bit(priv
, CSR_HW_IF_CONFIG_REG
,
92 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI
|
93 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI
);
95 if (priv
->cfg
->iq_invert
)
96 iwl_set_bit(priv
, CSR_GP_DRIVER_REG
,
97 CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER
);
99 if (priv
->cfg
->disable_otp_refresh
)
100 iwl_write_prph(priv
, APMG_ANALOG_SVR_REG
, 0x80000010);
103 static struct iwl_sensitivity_ranges iwl2000_sensitivity
= {
105 .max_nrg_cck
= 0, /* not used, set to 0 */
106 .auto_corr_min_ofdm
= 80,
107 .auto_corr_min_ofdm_mrc
= 128,
108 .auto_corr_min_ofdm_x1
= 105,
109 .auto_corr_min_ofdm_mrc_x1
= 192,
111 .auto_corr_max_ofdm
= 145,
112 .auto_corr_max_ofdm_mrc
= 232,
113 .auto_corr_max_ofdm_x1
= 110,
114 .auto_corr_max_ofdm_mrc_x1
= 232,
116 .auto_corr_min_cck
= 125,
117 .auto_corr_max_cck
= 175,
118 .auto_corr_min_cck_mrc
= 160,
119 .auto_corr_max_cck_mrc
= 310,
123 .barker_corr_th_min
= 190,
124 .barker_corr_th_min_mrc
= 390,
128 static int iwl2000_hw_set_hw_params(struct iwl_priv
*priv
)
130 if (iwlagn_mod_params
.num_of_queues
>= IWL_MIN_NUM_QUEUES
&&
131 iwlagn_mod_params
.num_of_queues
<= IWLAGN_NUM_QUEUES
)
132 priv
->cfg
->base_params
->num_of_queues
=
133 iwlagn_mod_params
.num_of_queues
;
135 priv
->hw_params
.max_txq_num
= priv
->cfg
->base_params
->num_of_queues
;
136 priv
->hw_params
.dma_chnl_num
= FH50_TCSR_CHNL_NUM
;
137 priv
->hw_params
.scd_bc_tbls_size
=
138 priv
->cfg
->base_params
->num_of_queues
*
139 sizeof(struct iwlagn_scd_bc_tbl
);
140 priv
->hw_params
.tfd_size
= sizeof(struct iwl_tfd
);
141 priv
->hw_params
.max_stations
= IWLAGN_STATION_COUNT
;
142 priv
->contexts
[IWL_RXON_CTX_BSS
].bcast_sta_id
= IWLAGN_BROADCAST_ID
;
144 priv
->hw_params
.max_data_size
= IWL60_RTC_DATA_SIZE
;
145 priv
->hw_params
.max_inst_size
= IWL60_RTC_INST_SIZE
;
147 priv
->hw_params
.ht40_channel
= BIT(IEEE80211_BAND_2GHZ
) |
148 BIT(IEEE80211_BAND_5GHZ
);
149 priv
->hw_params
.rx_wrt_ptr_reg
= FH_RSCSR_CHNL0_WPTR
;
151 priv
->hw_params
.tx_chains_num
= num_of_ant(priv
->cfg
->valid_tx_ant
);
152 if (priv
->cfg
->rx_with_siso_diversity
)
153 priv
->hw_params
.rx_chains_num
= 1;
155 priv
->hw_params
.rx_chains_num
=
156 num_of_ant(priv
->cfg
->valid_rx_ant
);
157 priv
->hw_params
.valid_tx_ant
= priv
->cfg
->valid_tx_ant
;
158 priv
->hw_params
.valid_rx_ant
= priv
->cfg
->valid_rx_ant
;
160 iwl2000_set_ct_threshold(priv
);
162 /* Set initial sensitivity parameters */
163 /* Set initial calibration set */
164 priv
->hw_params
.sens
= &iwl2000_sensitivity
;
165 priv
->hw_params
.calib_init_cfg
=
166 BIT(IWL_CALIB_XTAL
) |
168 BIT(IWL_CALIB_TX_IQ
) |
169 BIT(IWL_CALIB_BASE_BAND
);
170 if (priv
->cfg
->need_dc_calib
)
171 priv
->hw_params
.calib_rt_cfg
|= BIT(IWL_CALIB_CFG_DC_IDX
);
172 if (priv
->cfg
->need_temp_offset_calib
)
173 priv
->hw_params
.calib_init_cfg
|= BIT(IWL_CALIB_TEMP_OFFSET
);
175 priv
->hw_params
.beacon_time_tsf_bits
= IWLAGN_EXT_BEACON_TIME_POS
;
180 static int iwl2030_hw_channel_switch(struct iwl_priv
*priv
,
181 struct ieee80211_channel_switch
*ch_switch
)
185 * See iwl_mac_channel_switch.
187 struct iwl_rxon_context
*ctx
= &priv
->contexts
[IWL_RXON_CTX_BSS
];
188 struct iwl6000_channel_switch_cmd cmd
;
189 const struct iwl_channel_info
*ch_info
;
190 u32 switch_time_in_usec
, ucode_switch_time
;
194 u16 beacon_interval
= le16_to_cpu(ctx
->timing
.beacon_interval
);
195 struct ieee80211_vif
*vif
= ctx
->vif
;
196 struct iwl_host_cmd hcmd
= {
197 .id
= REPLY_CHANNEL_SWITCH
,
203 cmd
.band
= priv
->band
== IEEE80211_BAND_2GHZ
;
204 ch
= ch_switch
->channel
->hw_value
;
205 IWL_DEBUG_11H(priv
, "channel switch from %u to %u\n",
206 ctx
->active
.channel
, ch
);
207 cmd
.channel
= cpu_to_le16(ch
);
208 cmd
.rxon_flags
= ctx
->staging
.flags
;
209 cmd
.rxon_filter_flags
= ctx
->staging
.filter_flags
;
210 switch_count
= ch_switch
->count
;
211 tsf_low
= ch_switch
->timestamp
& 0x0ffffffff;
213 * calculate the ucode channel switch time
214 * adding TSF as one of the factor for when to switch
216 if ((priv
->ucode_beacon_time
> tsf_low
) && beacon_interval
) {
217 if (switch_count
> ((priv
->ucode_beacon_time
- tsf_low
) /
219 switch_count
-= (priv
->ucode_beacon_time
-
220 tsf_low
) / beacon_interval
;
224 if (switch_count
<= 1)
225 cmd
.switch_time
= cpu_to_le32(priv
->ucode_beacon_time
);
227 switch_time_in_usec
=
228 vif
->bss_conf
.beacon_int
* switch_count
* TIME_UNIT
;
229 ucode_switch_time
= iwl_usecs_to_beacons(priv
,
232 cmd
.switch_time
= iwl_add_beacon_time(priv
,
233 priv
->ucode_beacon_time
,
237 IWL_DEBUG_11H(priv
, "uCode time for the switch is 0x%x\n",
239 ch_info
= iwl_get_channel_info(priv
, priv
->band
, ch
);
241 cmd
.expect_beacon
= is_channel_radar(ch_info
);
243 IWL_ERR(priv
, "invalid channel switch from %u to %u\n",
244 ctx
->active
.channel
, ch
);
247 priv
->switch_rxon
.channel
= cmd
.channel
;
248 priv
->switch_rxon
.switch_in_progress
= true;
250 return iwl_send_cmd_sync(priv
, &hcmd
);
253 static struct iwl_lib_ops iwl2000_lib
= {
254 .set_hw_params
= iwl2000_hw_set_hw_params
,
255 .txq_set_sched
= iwlagn_txq_set_sched
,
256 .txq_attach_buf_to_tfd
= iwl_hw_txq_attach_buf_to_tfd
,
257 .txq_free_tfd
= iwl_hw_txq_free_tfd
,
258 .txq_init
= iwl_hw_tx_queue_init
,
259 .rx_handler_setup
= iwlagn_rx_handler_setup
,
260 .setup_deferred_work
= iwlagn_bt_setup_deferred_work
,
261 .cancel_deferred_work
= iwlagn_bt_cancel_deferred_work
,
262 .is_valid_rtc_data_addr
= iwlagn_hw_valid_rtc_data_addr
,
263 .send_tx_power
= iwlagn_send_tx_power
,
264 .update_chain_flags
= iwl_update_chain_flags
,
265 .set_channel_switch
= iwl2030_hw_channel_switch
,
267 .init
= iwl_apm_init
,
268 .config
= iwl2000_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_REGULATORY_BAND_NO_HT40
,
280 .query_addr
= iwlagn_eeprom_query_addr
,
281 .update_enhanced_txpower
= iwlcore_eeprom_enhanced_txpower
,
284 .temperature
= iwlagn_temperature
,
286 .txfifo_flush
= iwlagn_txfifo_flush
,
287 .dev_txfifo_flush
= iwlagn_dev_txfifo_flush
,
290 static const struct iwl_ops iwl2000_ops
= {
292 .hcmd
= &iwlagn_hcmd
,
293 .utils
= &iwlagn_hcmd_utils
,
296 static const struct iwl_ops iwl2030_ops
= {
298 .hcmd
= &iwlagn_bt_hcmd
,
299 .utils
= &iwlagn_hcmd_utils
,
302 static const struct iwl_ops iwl105_ops
= {
304 .hcmd
= &iwlagn_hcmd
,
305 .utils
= &iwlagn_hcmd_utils
,
308 static const struct iwl_ops iwl135_ops
= {
310 .hcmd
= &iwlagn_bt_hcmd
,
311 .utils
= &iwlagn_hcmd_utils
,
314 static struct iwl_base_params iwl2000_base_params
= {
315 .eeprom_size
= OTP_LOW_IMAGE_SIZE
,
316 .num_of_queues
= IWLAGN_NUM_QUEUES
,
317 .num_of_ampdu_queues
= IWLAGN_NUM_AMPDU_QUEUES
,
319 .max_ll_items
= OTP_MAX_LL_ITEMS_2x00
,
320 .shadow_ram_support
= true,
321 .led_compensation
= 51,
322 .chain_noise_num_beacons
= IWL_CAL_NUM_BEACONS
,
323 .adv_thermal_throttle
= true,
324 .support_ct_kill_exit
= true,
325 .plcp_delta_threshold
= IWL_MAX_PLCP_ERR_THRESHOLD_DEF
,
326 .chain_noise_scale
= 1000,
327 .wd_timeout
= IWL_DEF_WD_TIMEOUT
,
328 .max_event_log_size
= 512,
329 .shadow_reg_enable
= true,
333 static struct iwl_base_params iwl2030_base_params
= {
334 .eeprom_size
= OTP_LOW_IMAGE_SIZE
,
335 .num_of_queues
= IWLAGN_NUM_QUEUES
,
336 .num_of_ampdu_queues
= IWLAGN_NUM_AMPDU_QUEUES
,
338 .max_ll_items
= OTP_MAX_LL_ITEMS_2x00
,
339 .shadow_ram_support
= true,
340 .led_compensation
= 57,
341 .chain_noise_num_beacons
= IWL_CAL_NUM_BEACONS
,
342 .adv_thermal_throttle
= true,
343 .support_ct_kill_exit
= true,
344 .plcp_delta_threshold
= IWL_MAX_PLCP_ERR_THRESHOLD_DEF
,
345 .chain_noise_scale
= 1000,
346 .wd_timeout
= IWL_LONG_WD_TIMEOUT
,
347 .max_event_log_size
= 512,
348 .shadow_reg_enable
= true,
351 static struct iwl_ht_params iwl2000_ht_params
= {
352 .ht_greenfield_support
= true,
353 .use_rts_for_aggregation
= true, /* use rts/cts protection */
356 static struct iwl_bt_params iwl2030_bt_params
= {
357 /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
358 .advanced_bt_coexist
= true,
359 .agg_time_limit
= BT_AGG_THRESHOLD_DEF
,
360 .bt_init_traffic_load
= IWL_BT_COEX_TRAFFIC_LOAD_NONE
,
361 .bt_prio_boost
= IWLAGN_BT_PRIO_BOOST_DEFAULT
,
362 .bt_sco_disable
= true,
363 .bt_session_2
= true,
366 #define IWL_DEVICE_2000 \
367 .fw_name_pre = IWL2000_FW_PRE, \
368 .ucode_api_max = IWL2000_UCODE_API_MAX, \
369 .ucode_api_min = IWL2000_UCODE_API_MIN, \
370 .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
371 .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
372 .ops = &iwl2000_ops, \
373 .base_params = &iwl2000_base_params, \
374 .need_dc_calib = true, \
375 .need_temp_offset_calib = true, \
376 .led_mode = IWL_LED_RF_STATE, \
378 .disable_otp_refresh = true \
380 struct iwl_cfg iwl2000_2bgn_cfg = {
381 .name
= "2000 Series 2x2 BGN",
383 .ht_params
= &iwl2000_ht_params
,
386 struct iwl_cfg iwl2000_2bg_cfg
= {
387 .name
= "2000 Series 2x2 BG",
391 #define IWL_DEVICE_2030 \
392 .fw_name_pre = IWL2030_FW_PRE, \
393 .ucode_api_max = IWL2030_UCODE_API_MAX, \
394 .ucode_api_min = IWL2030_UCODE_API_MIN, \
395 .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
396 .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
397 .ops = &iwl2030_ops, \
398 .base_params = &iwl2030_base_params, \
399 .bt_params = &iwl2030_bt_params, \
400 .need_dc_calib = true, \
401 .need_temp_offset_calib = true, \
402 .led_mode = IWL_LED_RF_STATE, \
406 struct iwl_cfg iwl2030_2bgn_cfg = {
407 .name
= "2000 Series 2x2 BGN/BT",
409 .ht_params
= &iwl2000_ht_params
,
412 struct iwl_cfg iwl2030_2bg_cfg
= {
413 .name
= "2000 Series 2x2 BG/BT",
417 #define IWL_DEVICE_105 \
418 .fw_name_pre = IWL105_FW_PRE, \
419 .ucode_api_max = IWL105_UCODE_API_MAX, \
420 .ucode_api_min = IWL105_UCODE_API_MIN, \
421 .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
422 .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
423 .ops = &iwl105_ops, \
424 .base_params = &iwl2000_base_params, \
425 .need_dc_calib = true, \
426 .need_temp_offset_calib = true, \
427 .led_mode = IWL_LED_RF_STATE, \
429 .rx_with_siso_diversity = true \
431 struct iwl_cfg iwl105_bg_cfg = {
432 .name
= "105 Series 1x1 BG",
436 struct iwl_cfg iwl105_bgn_cfg
= {
437 .name
= "105 Series 1x1 BGN",
439 .ht_params
= &iwl2000_ht_params
,
442 #define IWL_DEVICE_135 \
443 .fw_name_pre = IWL105_FW_PRE, \
444 .ucode_api_max = IWL105_UCODE_API_MAX, \
445 .ucode_api_min = IWL105_UCODE_API_MIN, \
446 .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
447 .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
448 .ops = &iwl135_ops, \
449 .base_params = &iwl2030_base_params, \
450 .bt_params = &iwl2030_bt_params, \
451 .need_dc_calib = true, \
452 .need_temp_offset_calib = true, \
453 .led_mode = IWL_LED_RF_STATE, \
455 .rx_with_siso_diversity = true \
457 struct iwl_cfg iwl135_bg_cfg = {
458 .name
= "105 Series 1x1 BG/BT",
462 struct iwl_cfg iwl135_bgn_cfg
= {
463 .name
= "105 Series 1x1 BGN/BT",
465 .ht_params
= &iwl2000_ht_params
,
468 MODULE_FIRMWARE(IWL2000_MODULE_FIRMWARE(IWL2000_UCODE_API_MAX
));
469 MODULE_FIRMWARE(IWL2030_MODULE_FIRMWARE(IWL2030_UCODE_API_MAX
));
470 MODULE_FIRMWARE(IWL105_MODULE_FIRMWARE(IWL105_UCODE_API_MAX
));