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