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"
44 #include "iwl-helpers.h"
45 #include "iwl-agn-hw.h"
46 #include "iwl-shared.h"
49 /* Highest firmware API version supported */
50 #define IWL1000_UCODE_API_MAX 6
51 #define IWL100_UCODE_API_MAX 6
53 /* Oldest version we won't warn about */
54 #define IWL1000_UCODE_API_OK 5
55 #define IWL100_UCODE_API_OK 5
57 /* Lowest firmware API version supported */
58 #define IWL1000_UCODE_API_MIN 1
59 #define IWL100_UCODE_API_MIN 5
61 #define IWL1000_FW_PRE "iwlwifi-1000-"
62 #define IWL1000_MODULE_FIRMWARE(api) IWL1000_FW_PRE __stringify(api) ".ucode"
64 #define IWL100_FW_PRE "iwlwifi-100-"
65 #define IWL100_MODULE_FIRMWARE(api) IWL100_FW_PRE __stringify(api) ".ucode"
69 * For 1000, use advance thermal throttling critical temperature threshold,
70 * but legacy thermal management implementation for now.
71 * This is for the reason of 1000 uCode using advance thermal throttling API
72 * but not implement ct_kill_exit based on ct_kill exit temperature
73 * so the thermal throttling will still based on legacy thermal throttling
75 * The code here need to be modified once 1000 uCode has the advanced thermal
76 * throttling algorithm in place
78 static void iwl1000_set_ct_threshold(struct iwl_priv
*priv
)
81 hw_params(priv
).ct_kill_threshold
= CT_KILL_THRESHOLD_LEGACY
;
82 hw_params(priv
).ct_kill_exit_threshold
= CT_KILL_EXIT_THRESHOLD
;
85 /* NIC configuration for 1000 series */
86 static void iwl1000_nic_config(struct iwl_priv
*priv
)
88 /* set CSR_HW_CONFIG_REG for uCode use */
89 iwl_set_bit(bus(priv
), CSR_HW_IF_CONFIG_REG
,
90 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI
|
91 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI
);
93 /* Setting digital SVR for 1000 card to 1.32V */
94 /* locking is acquired in iwl_set_bits_mask_prph() function */
95 iwl_set_bits_mask_prph(bus(priv
), APMG_DIGITAL_SVR_REG
,
96 APMG_SVR_DIGITAL_VOLTAGE_1_32
,
97 ~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK
);
100 static struct iwl_sensitivity_ranges iwl1000_sensitivity
= {
102 .max_nrg_cck
= 0, /* not used, set to 0 */
103 .auto_corr_min_ofdm
= 90,
104 .auto_corr_min_ofdm_mrc
= 170,
105 .auto_corr_min_ofdm_x1
= 120,
106 .auto_corr_min_ofdm_mrc_x1
= 240,
108 .auto_corr_max_ofdm
= 120,
109 .auto_corr_max_ofdm_mrc
= 210,
110 .auto_corr_max_ofdm_x1
= 155,
111 .auto_corr_max_ofdm_mrc_x1
= 290,
113 .auto_corr_min_cck
= 125,
114 .auto_corr_max_cck
= 200,
115 .auto_corr_min_cck_mrc
= 170,
116 .auto_corr_max_cck_mrc
= 400,
120 .barker_corr_th_min
= 190,
121 .barker_corr_th_min_mrc
= 390,
125 static int iwl1000_hw_set_hw_params(struct iwl_priv
*priv
)
127 if (iwlagn_mod_params
.num_of_queues
>= IWL_MIN_NUM_QUEUES
&&
128 iwlagn_mod_params
.num_of_queues
<= IWLAGN_NUM_QUEUES
)
129 priv
->cfg
->base_params
->num_of_queues
=
130 iwlagn_mod_params
.num_of_queues
;
132 hw_params(priv
).max_txq_num
= priv
->cfg
->base_params
->num_of_queues
;
133 hw_params(priv
).max_stations
= IWLAGN_STATION_COUNT
;
134 priv
->contexts
[IWL_RXON_CTX_BSS
].bcast_sta_id
= IWLAGN_BROADCAST_ID
;
136 hw_params(priv
).max_data_size
= IWLAGN_RTC_DATA_SIZE
;
137 hw_params(priv
).max_inst_size
= IWLAGN_RTC_INST_SIZE
;
139 hw_params(priv
).ht40_channel
= BIT(IEEE80211_BAND_2GHZ
);
141 hw_params(priv
).tx_chains_num
= num_of_ant(priv
->cfg
->valid_tx_ant
);
142 if (priv
->cfg
->rx_with_siso_diversity
)
143 hw_params(priv
).rx_chains_num
= 1;
145 hw_params(priv
).rx_chains_num
=
146 num_of_ant(priv
->cfg
->valid_rx_ant
);
147 hw_params(priv
).valid_tx_ant
= priv
->cfg
->valid_tx_ant
;
148 hw_params(priv
).valid_rx_ant
= priv
->cfg
->valid_rx_ant
;
150 iwl1000_set_ct_threshold(priv
);
152 /* Set initial sensitivity parameters */
153 /* Set initial calibration set */
154 hw_params(priv
).sens
= &iwl1000_sensitivity
;
155 hw_params(priv
).calib_init_cfg
=
156 BIT(IWL_CALIB_XTAL
) |
158 BIT(IWL_CALIB_TX_IQ
) |
159 BIT(IWL_CALIB_TX_IQ_PERD
) |
160 BIT(IWL_CALIB_BASE_BAND
);
161 if (priv
->cfg
->need_dc_calib
)
162 hw_params(priv
).calib_init_cfg
|= BIT(IWL_CALIB_DC
);
164 hw_params(priv
).beacon_time_tsf_bits
= IWLAGN_EXT_BEACON_TIME_POS
;
169 static struct iwl_lib_ops iwl1000_lib
= {
170 .set_hw_params
= iwl1000_hw_set_hw_params
,
171 .nic_config
= iwl1000_nic_config
,
173 .regulatory_bands
= {
174 EEPROM_REG_BAND_1_CHANNELS
,
175 EEPROM_REG_BAND_2_CHANNELS
,
176 EEPROM_REG_BAND_3_CHANNELS
,
177 EEPROM_REG_BAND_4_CHANNELS
,
178 EEPROM_REG_BAND_5_CHANNELS
,
179 EEPROM_REG_BAND_24_HT40_CHANNELS
,
180 EEPROM_REGULATORY_BAND_NO_HT40
,
183 .temperature
= iwlagn_temperature
,
186 static struct iwl_base_params iwl1000_base_params
= {
187 .num_of_queues
= IWLAGN_NUM_QUEUES
,
188 .num_of_ampdu_queues
= IWLAGN_NUM_AMPDU_QUEUES
,
189 .eeprom_size
= OTP_LOW_IMAGE_SIZE
,
190 .pll_cfg_val
= CSR50_ANA_PLL_CFG_VAL
,
191 .max_ll_items
= OTP_MAX_LL_ITEMS_1000
,
192 .shadow_ram_support
= false,
193 .led_compensation
= 51,
194 .chain_noise_num_beacons
= IWL_CAL_NUM_BEACONS
,
195 .support_ct_kill_exit
= true,
196 .plcp_delta_threshold
= IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF
,
197 .chain_noise_scale
= 1000,
198 .wd_timeout
= IWL_DEF_WD_TIMEOUT
,
199 .max_event_log_size
= 128,
201 static struct iwl_ht_params iwl1000_ht_params
= {
202 .ht_greenfield_support
= true,
203 .use_rts_for_aggregation
= true, /* use rts/cts protection */
204 .smps_mode
= IEEE80211_SMPS_DYNAMIC
,
207 #define IWL_DEVICE_1000 \
208 .fw_name_pre = IWL1000_FW_PRE, \
209 .ucode_api_max = IWL1000_UCODE_API_MAX, \
210 .ucode_api_ok = IWL1000_UCODE_API_OK, \
211 .ucode_api_min = IWL1000_UCODE_API_MIN, \
212 .eeprom_ver = EEPROM_1000_EEPROM_VERSION, \
213 .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \
214 .lib = &iwl1000_lib, \
215 .base_params = &iwl1000_base_params, \
216 .led_mode = IWL_LED_BLINK
218 struct iwl_cfg iwl1000_bgn_cfg
= {
219 .name
= "Intel(R) Centrino(R) Wireless-N 1000 BGN",
221 .ht_params
= &iwl1000_ht_params
,
224 struct iwl_cfg iwl1000_bg_cfg
= {
225 .name
= "Intel(R) Centrino(R) Wireless-N 1000 BG",
229 #define IWL_DEVICE_100 \
230 .fw_name_pre = IWL100_FW_PRE, \
231 .ucode_api_max = IWL100_UCODE_API_MAX, \
232 .ucode_api_ok = IWL100_UCODE_API_OK, \
233 .ucode_api_min = IWL100_UCODE_API_MIN, \
234 .eeprom_ver = EEPROM_1000_EEPROM_VERSION, \
235 .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \
236 .lib = &iwl1000_lib, \
237 .base_params = &iwl1000_base_params, \
238 .led_mode = IWL_LED_RF_STATE, \
239 .rx_with_siso_diversity = true
241 struct iwl_cfg iwl100_bgn_cfg
= {
242 .name
= "Intel(R) Centrino(R) Wireless-N 100 BGN",
244 .ht_params
= &iwl1000_ht_params
,
247 struct iwl_cfg iwl100_bg_cfg
= {
248 .name
= "Intel(R) Centrino(R) Wireless-N 100 BG",
252 MODULE_FIRMWARE(IWL1000_MODULE_FIRMWARE(IWL1000_UCODE_API_MAX
));
253 MODULE_FIRMWARE(IWL100_MODULE_FIRMWARE(IWL100_UCODE_API_MAX
));