1 /******************************************************************************
3 * Copyright(c) 2008-2009 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"
45 #include "iwl-helpers.h"
46 #include "iwl-5000-hw.h"
47 #include "iwl-6000-hw.h"
49 /* Highest firmware API version supported */
50 #define IWL6000_UCODE_API_MAX 4
51 #define IWL6050_UCODE_API_MAX 4
53 /* Lowest firmware API version supported */
54 #define IWL6000_UCODE_API_MIN 1
55 #define IWL6050_UCODE_API_MIN 1
57 #define IWL6000_FW_PRE "iwlwifi-6000-"
58 #define _IWL6000_MODULE_FIRMWARE(api) IWL6000_FW_PRE #api ".ucode"
59 #define IWL6000_MODULE_FIRMWARE(api) _IWL6000_MODULE_FIRMWARE(api)
61 #define IWL6050_FW_PRE "iwlwifi-6050-"
62 #define _IWL6050_MODULE_FIRMWARE(api) IWL6050_FW_PRE #api ".ucode"
63 #define IWL6050_MODULE_FIRMWARE(api) _IWL6050_MODULE_FIRMWARE(api)
65 static void iwl6000_set_ct_threshold(struct iwl_priv
*priv
)
68 priv
->hw_params
.ct_kill_threshold
= CT_KILL_THRESHOLD
;
69 priv
->hw_params
.ct_kill_exit_threshold
= CT_KILL_EXIT_THRESHOLD
;
72 /* NIC configuration for 6000 series */
73 static void iwl6000_nic_config(struct iwl_priv
*priv
)
77 radio_cfg
= iwl_eeprom_query16(priv
, EEPROM_RADIO_CONFIG
);
79 /* write radio config values to register */
80 if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg
) <= EEPROM_RF_CONFIG_TYPE_MAX
)
81 iwl_set_bit(priv
, CSR_HW_IF_CONFIG_REG
,
82 EEPROM_RF_CFG_TYPE_MSK(radio_cfg
) |
83 EEPROM_RF_CFG_STEP_MSK(radio_cfg
) |
84 EEPROM_RF_CFG_DASH_MSK(radio_cfg
));
86 /* set CSR_HW_CONFIG_REG for uCode use */
87 iwl_set_bit(priv
, CSR_HW_IF_CONFIG_REG
,
88 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI
|
89 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI
);
91 /* no locking required for register write */
92 if (priv
->cfg
->pa_type
== IWL_PA_HYBRID
) {
93 /* 2x2 hybrid phy type */
94 iwl_write32(priv
, CSR_GP_DRIVER_REG
,
95 CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_HYB
);
96 } else if (priv
->cfg
->pa_type
== IWL_PA_INTERNAL
) {
97 /* 2x2 IPA phy type */
98 iwl_write32(priv
, CSR_GP_DRIVER_REG
,
99 CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_IPA
);
101 /* else do nothing, uCode configured */
104 static struct iwl_sensitivity_ranges iwl6000_sensitivity
= {
106 .max_nrg_cck
= 0, /* not used, set to 0 */
107 .auto_corr_min_ofdm
= 80,
108 .auto_corr_min_ofdm_mrc
= 128,
109 .auto_corr_min_ofdm_x1
= 105,
110 .auto_corr_min_ofdm_mrc_x1
= 192,
112 .auto_corr_max_ofdm
= 145,
113 .auto_corr_max_ofdm_mrc
= 232,
114 .auto_corr_max_ofdm_x1
= 145,
115 .auto_corr_max_ofdm_mrc_x1
= 232,
117 .auto_corr_min_cck
= 125,
118 .auto_corr_max_cck
= 175,
119 .auto_corr_min_cck_mrc
= 160,
120 .auto_corr_max_cck_mrc
= 310,
125 static int iwl6000_hw_set_hw_params(struct iwl_priv
*priv
)
127 if ((priv
->cfg
->mod_params
->num_of_queues
> IWL50_NUM_QUEUES
) ||
128 (priv
->cfg
->mod_params
->num_of_queues
< IWL_MIN_NUM_QUEUES
)) {
130 "invalid queues_num, should be between %d and %d\n",
131 IWL_MIN_NUM_QUEUES
, IWL50_NUM_QUEUES
);
135 priv
->hw_params
.max_txq_num
= priv
->cfg
->mod_params
->num_of_queues
;
136 priv
->hw_params
.dma_chnl_num
= FH50_TCSR_CHNL_NUM
;
137 priv
->hw_params
.scd_bc_tbls_size
=
138 IWL50_NUM_QUEUES
* sizeof(struct iwl5000_scd_bc_tbl
);
139 priv
->hw_params
.tfd_size
= sizeof(struct iwl_tfd
);
140 priv
->hw_params
.max_stations
= IWL5000_STATION_COUNT
;
141 priv
->hw_params
.bcast_sta_id
= IWL5000_BROADCAST_ID
;
143 priv
->hw_params
.max_data_size
= IWL60_RTC_DATA_SIZE
;
144 priv
->hw_params
.max_inst_size
= IWL60_RTC_INST_SIZE
;
146 priv
->hw_params
.max_bsm_size
= 0;
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 priv
->hw_params
.rx_chains_num
= num_of_ant(priv
->cfg
->valid_rx_ant
);
153 priv
->hw_params
.valid_tx_ant
= priv
->cfg
->valid_tx_ant
;
154 priv
->hw_params
.valid_rx_ant
= priv
->cfg
->valid_rx_ant
;
156 if (priv
->cfg
->ops
->lib
->temp_ops
.set_ct_kill
)
157 priv
->cfg
->ops
->lib
->temp_ops
.set_ct_kill(priv
);
159 /* Set initial sensitivity parameters */
160 /* Set initial calibration set */
161 priv
->hw_params
.sens
= &iwl6000_sensitivity
;
162 priv
->hw_params
.calib_init_cfg
=
163 BIT(IWL_CALIB_XTAL
) |
165 BIT(IWL_CALIB_TX_IQ
) |
166 BIT(IWL_CALIB_TX_IQ_PERD
) |
167 BIT(IWL_CALIB_BASE_BAND
);
172 static struct iwl_lib_ops iwl6000_lib
= {
173 .set_hw_params
= iwl6000_hw_set_hw_params
,
174 .txq_update_byte_cnt_tbl
= iwl5000_txq_update_byte_cnt_tbl
,
175 .txq_inval_byte_cnt_tbl
= iwl5000_txq_inval_byte_cnt_tbl
,
176 .txq_set_sched
= iwl5000_txq_set_sched
,
177 .txq_agg_enable
= iwl5000_txq_agg_enable
,
178 .txq_agg_disable
= iwl5000_txq_agg_disable
,
179 .txq_attach_buf_to_tfd
= iwl_hw_txq_attach_buf_to_tfd
,
180 .txq_free_tfd
= iwl_hw_txq_free_tfd
,
181 .txq_init
= iwl_hw_tx_queue_init
,
182 .rx_handler_setup
= iwl5000_rx_handler_setup
,
183 .setup_deferred_work
= iwl5000_setup_deferred_work
,
184 .is_valid_rtc_data_addr
= iwl5000_hw_valid_rtc_data_addr
,
185 .load_ucode
= iwl5000_load_ucode
,
186 .dump_nic_event_log
= iwl_dump_nic_event_log
,
187 .dump_nic_error_log
= iwl_dump_nic_error_log
,
188 .init_alive_start
= iwl5000_init_alive_start
,
189 .alive_notify
= iwl5000_alive_notify
,
190 .send_tx_power
= iwl5000_send_tx_power
,
191 .update_chain_flags
= iwl_update_chain_flags
,
193 .init
= iwl5000_apm_init
,
194 .reset
= iwl5000_apm_reset
,
195 .stop
= iwl5000_apm_stop
,
196 .config
= iwl6000_nic_config
,
197 .set_pwr_src
= iwl_set_pwr_src
,
200 .regulatory_bands
= {
201 EEPROM_5000_REG_BAND_1_CHANNELS
,
202 EEPROM_5000_REG_BAND_2_CHANNELS
,
203 EEPROM_5000_REG_BAND_3_CHANNELS
,
204 EEPROM_5000_REG_BAND_4_CHANNELS
,
205 EEPROM_5000_REG_BAND_5_CHANNELS
,
206 EEPROM_5000_REG_BAND_24_HT40_CHANNELS
,
207 EEPROM_5000_REG_BAND_52_HT40_CHANNELS
209 .verify_signature
= iwlcore_eeprom_verify_signature
,
210 .acquire_semaphore
= iwlcore_eeprom_acquire_semaphore
,
211 .release_semaphore
= iwlcore_eeprom_release_semaphore
,
212 .calib_version
= iwl5000_eeprom_calib_version
,
213 .query_addr
= iwl5000_eeprom_query_addr
,
214 .update_enhanced_txpower
= iwlcore_eeprom_enhanced_txpower
,
216 .post_associate
= iwl_post_associate
,
218 .config_ap
= iwl_config_ap
,
220 .temperature
= iwl5000_temperature
,
221 .set_ct_kill
= iwl6000_set_ct_threshold
,
225 static struct iwl_ops iwl6000_ops
= {
226 .ucode
= &iwl5000_ucode
,
228 .hcmd
= &iwl5000_hcmd
,
229 .utils
= &iwl5000_hcmd_utils
,
234 * "h": Hybrid configuration, use both internal and external Power Amplifier
236 struct iwl_cfg iwl6000h_2agn_cfg
= {
237 .name
= "6000 Series 2x2 AGN",
238 .fw_name_pre
= IWL6000_FW_PRE
,
239 .ucode_api_max
= IWL6000_UCODE_API_MAX
,
240 .ucode_api_min
= IWL6000_UCODE_API_MIN
,
241 .sku
= IWL_SKU_A
|IWL_SKU_G
|IWL_SKU_N
,
243 .eeprom_size
= OTP_LOW_IMAGE_SIZE
,
244 .eeprom_ver
= EEPROM_6000_EEPROM_VERSION
,
245 .eeprom_calib_ver
= EEPROM_5000_TX_POWER_VERSION
,
246 .mod_params
= &iwl50_mod_params
,
247 .valid_tx_ant
= ANT_AB
,
248 .valid_rx_ant
= ANT_AB
,
249 .need_pll_cfg
= false,
250 .pa_type
= IWL_PA_HYBRID
,
251 .max_ll_items
= OTP_MAX_LL_ITEMS_6x00
,
252 .shadow_ram_support
= true,
253 .ht_greenfield_support
= true,
254 .led_compensation
= 51,
255 .use_rts_for_ht
= true, /* use rts/cts protection */
256 .chain_noise_num_beacons
= IWL_CAL_NUM_BEACONS
,
259 struct iwl_cfg iwl6000h_2abg_cfg
= {
260 .name
= "6000 Series 2x2 ABG",
261 .fw_name_pre
= IWL6000_FW_PRE
,
262 .ucode_api_max
= IWL6000_UCODE_API_MAX
,
263 .ucode_api_min
= IWL6000_UCODE_API_MIN
,
264 .sku
= IWL_SKU_A
|IWL_SKU_G
,
266 .eeprom_size
= OTP_LOW_IMAGE_SIZE
,
267 .eeprom_ver
= EEPROM_6000_EEPROM_VERSION
,
268 .eeprom_calib_ver
= EEPROM_5000_TX_POWER_VERSION
,
269 .mod_params
= &iwl50_mod_params
,
270 .valid_tx_ant
= ANT_AB
,
271 .valid_rx_ant
= ANT_AB
,
272 .need_pll_cfg
= false,
273 .pa_type
= IWL_PA_HYBRID
,
274 .max_ll_items
= OTP_MAX_LL_ITEMS_6x00
,
275 .shadow_ram_support
= true,
276 .ht_greenfield_support
= true,
277 .led_compensation
= 51,
278 .chain_noise_num_beacons
= IWL_CAL_NUM_BEACONS
,
281 struct iwl_cfg iwl6000h_2bg_cfg
= {
282 .name
= "6000 Series 2x2 BG",
283 .fw_name_pre
= IWL6000_FW_PRE
,
284 .ucode_api_max
= IWL6000_UCODE_API_MAX
,
285 .ucode_api_min
= IWL6000_UCODE_API_MIN
,
288 .eeprom_size
= OTP_LOW_IMAGE_SIZE
,
289 .eeprom_ver
= EEPROM_6000_EEPROM_VERSION
,
290 .eeprom_calib_ver
= EEPROM_5000_TX_POWER_VERSION
,
291 .mod_params
= &iwl50_mod_params
,
292 .valid_tx_ant
= ANT_AB
,
293 .valid_rx_ant
= ANT_AB
,
294 .need_pll_cfg
= false,
295 .pa_type
= IWL_PA_HYBRID
,
296 .max_ll_items
= OTP_MAX_LL_ITEMS_6x00
,
297 .shadow_ram_support
= true,
298 .ht_greenfield_support
= true,
299 .led_compensation
= 51,
300 .chain_noise_num_beacons
= IWL_CAL_NUM_BEACONS
,
304 * "i": Internal configuration, use internal Power Amplifier
306 struct iwl_cfg iwl6000i_2agn_cfg
= {
307 .name
= "6000 Series 2x2 AGN",
308 .fw_name_pre
= IWL6000_FW_PRE
,
309 .ucode_api_max
= IWL6000_UCODE_API_MAX
,
310 .ucode_api_min
= IWL6000_UCODE_API_MIN
,
311 .sku
= IWL_SKU_A
|IWL_SKU_G
|IWL_SKU_N
,
313 .eeprom_size
= OTP_LOW_IMAGE_SIZE
,
314 .eeprom_ver
= EEPROM_6000_EEPROM_VERSION
,
315 .eeprom_calib_ver
= EEPROM_5000_TX_POWER_VERSION
,
316 .mod_params
= &iwl50_mod_params
,
317 .valid_tx_ant
= ANT_BC
,
318 .valid_rx_ant
= ANT_BC
,
319 .need_pll_cfg
= false,
320 .pa_type
= IWL_PA_INTERNAL
,
321 .max_ll_items
= OTP_MAX_LL_ITEMS_6x00
,
322 .shadow_ram_support
= true,
323 .ht_greenfield_support
= true,
324 .led_compensation
= 51,
325 .use_rts_for_ht
= true, /* use rts/cts protection */
326 .chain_noise_num_beacons
= IWL_CAL_NUM_BEACONS
,
329 struct iwl_cfg iwl6000i_2abg_cfg
= {
330 .name
= "6000 Series 2x2 ABG",
331 .fw_name_pre
= IWL6000_FW_PRE
,
332 .ucode_api_max
= IWL6000_UCODE_API_MAX
,
333 .ucode_api_min
= IWL6000_UCODE_API_MIN
,
334 .sku
= IWL_SKU_A
|IWL_SKU_G
,
336 .eeprom_size
= OTP_LOW_IMAGE_SIZE
,
337 .eeprom_ver
= EEPROM_6000_EEPROM_VERSION
,
338 .eeprom_calib_ver
= EEPROM_5000_TX_POWER_VERSION
,
339 .mod_params
= &iwl50_mod_params
,
340 .valid_tx_ant
= ANT_BC
,
341 .valid_rx_ant
= ANT_BC
,
342 .need_pll_cfg
= false,
343 .pa_type
= IWL_PA_INTERNAL
,
344 .max_ll_items
= OTP_MAX_LL_ITEMS_6x00
,
345 .shadow_ram_support
= true,
346 .ht_greenfield_support
= true,
347 .led_compensation
= 51,
348 .chain_noise_num_beacons
= IWL_CAL_NUM_BEACONS
,
351 struct iwl_cfg iwl6000i_2bg_cfg
= {
352 .name
= "6000 Series 2x2 BG",
353 .fw_name_pre
= IWL6000_FW_PRE
,
354 .ucode_api_max
= IWL6000_UCODE_API_MAX
,
355 .ucode_api_min
= IWL6000_UCODE_API_MIN
,
358 .eeprom_size
= OTP_LOW_IMAGE_SIZE
,
359 .eeprom_ver
= EEPROM_6000_EEPROM_VERSION
,
360 .eeprom_calib_ver
= EEPROM_5000_TX_POWER_VERSION
,
361 .mod_params
= &iwl50_mod_params
,
362 .valid_tx_ant
= ANT_BC
,
363 .valid_rx_ant
= ANT_BC
,
364 .need_pll_cfg
= false,
365 .pa_type
= IWL_PA_INTERNAL
,
366 .max_ll_items
= OTP_MAX_LL_ITEMS_6x00
,
367 .shadow_ram_support
= true,
368 .ht_greenfield_support
= true,
369 .led_compensation
= 51,
370 .chain_noise_num_beacons
= IWL_CAL_NUM_BEACONS
,
373 struct iwl_cfg iwl6050_2agn_cfg
= {
374 .name
= "6050 Series 2x2 AGN",
375 .fw_name_pre
= IWL6050_FW_PRE
,
376 .ucode_api_max
= IWL6050_UCODE_API_MAX
,
377 .ucode_api_min
= IWL6050_UCODE_API_MIN
,
378 .sku
= IWL_SKU_A
|IWL_SKU_G
|IWL_SKU_N
,
380 .eeprom_size
= OTP_LOW_IMAGE_SIZE
,
381 .eeprom_ver
= EEPROM_6000_EEPROM_VERSION
,
382 .eeprom_calib_ver
= EEPROM_5000_TX_POWER_VERSION
,
383 .mod_params
= &iwl50_mod_params
,
384 .valid_tx_ant
= ANT_AB
,
385 .valid_rx_ant
= ANT_AB
,
386 .need_pll_cfg
= false,
387 .pa_type
= IWL_PA_SYSTEM
,
388 .max_ll_items
= OTP_MAX_LL_ITEMS_6x00
,
389 .shadow_ram_support
= true,
390 .ht_greenfield_support
= true,
391 .led_compensation
= 51,
392 .use_rts_for_ht
= true, /* use rts/cts protection */
393 .chain_noise_num_beacons
= IWL_CAL_NUM_BEACONS
,
396 struct iwl_cfg iwl6050_2abg_cfg
= {
397 .name
= "6050 Series 2x2 ABG",
398 .fw_name_pre
= IWL6050_FW_PRE
,
399 .ucode_api_max
= IWL6050_UCODE_API_MAX
,
400 .ucode_api_min
= IWL6050_UCODE_API_MIN
,
401 .sku
= IWL_SKU_A
|IWL_SKU_G
,
403 .eeprom_size
= OTP_LOW_IMAGE_SIZE
,
404 .eeprom_ver
= EEPROM_6000_EEPROM_VERSION
,
405 .eeprom_calib_ver
= EEPROM_5000_TX_POWER_VERSION
,
406 .mod_params
= &iwl50_mod_params
,
407 .valid_tx_ant
= ANT_AB
,
408 .valid_rx_ant
= ANT_AB
,
409 .need_pll_cfg
= false,
410 .pa_type
= IWL_PA_SYSTEM
,
411 .max_ll_items
= OTP_MAX_LL_ITEMS_6x00
,
412 .shadow_ram_support
= true,
413 .ht_greenfield_support
= true,
414 .led_compensation
= 51,
415 .chain_noise_num_beacons
= IWL_CAL_NUM_BEACONS
,
418 struct iwl_cfg iwl6000_3agn_cfg
= {
419 .name
= "6000 Series 3x3 AGN",
420 .fw_name_pre
= IWL6000_FW_PRE
,
421 .ucode_api_max
= IWL6000_UCODE_API_MAX
,
422 .ucode_api_min
= IWL6000_UCODE_API_MIN
,
423 .sku
= IWL_SKU_A
|IWL_SKU_G
|IWL_SKU_N
,
425 .eeprom_size
= OTP_LOW_IMAGE_SIZE
,
426 .eeprom_ver
= EEPROM_6000_EEPROM_VERSION
,
427 .eeprom_calib_ver
= EEPROM_5000_TX_POWER_VERSION
,
428 .mod_params
= &iwl50_mod_params
,
429 .valid_tx_ant
= ANT_ABC
,
430 .valid_rx_ant
= ANT_ABC
,
431 .need_pll_cfg
= false,
432 .pa_type
= IWL_PA_SYSTEM
,
433 .max_ll_items
= OTP_MAX_LL_ITEMS_6x00
,
434 .shadow_ram_support
= true,
435 .ht_greenfield_support
= true,
436 .led_compensation
= 51,
437 .use_rts_for_ht
= true, /* use rts/cts protection */
438 .chain_noise_num_beacons
= IWL_CAL_NUM_BEACONS
,
441 struct iwl_cfg iwl6050_3agn_cfg
= {
442 .name
= "6050 Series 3x3 AGN",
443 .fw_name_pre
= IWL6050_FW_PRE
,
444 .ucode_api_max
= IWL6050_UCODE_API_MAX
,
445 .ucode_api_min
= IWL6050_UCODE_API_MIN
,
446 .sku
= IWL_SKU_A
|IWL_SKU_G
|IWL_SKU_N
,
448 .eeprom_size
= OTP_LOW_IMAGE_SIZE
,
449 .eeprom_ver
= EEPROM_6000_EEPROM_VERSION
,
450 .eeprom_calib_ver
= EEPROM_5000_TX_POWER_VERSION
,
451 .mod_params
= &iwl50_mod_params
,
452 .valid_tx_ant
= ANT_ABC
,
453 .valid_rx_ant
= ANT_ABC
,
454 .need_pll_cfg
= false,
455 .pa_type
= IWL_PA_SYSTEM
,
456 .max_ll_items
= OTP_MAX_LL_ITEMS_6x00
,
457 .shadow_ram_support
= true,
458 .ht_greenfield_support
= true,
459 .led_compensation
= 51,
460 .use_rts_for_ht
= true, /* use rts/cts protection */
461 .chain_noise_num_beacons
= IWL_CAL_NUM_BEACONS
,
464 MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX
));
465 MODULE_FIRMWARE(IWL6050_MODULE_FIRMWARE(IWL6050_UCODE_API_MAX
));