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"
49 /* Highest firmware API version supported */
50 #define IWL1000_UCODE_API_MAX 5
51 #define IWL100_UCODE_API_MAX 5
53 /* Lowest firmware API version supported */
54 #define IWL1000_UCODE_API_MIN 1
55 #define IWL100_UCODE_API_MIN 5
57 #define IWL1000_FW_PRE "iwlwifi-1000-"
58 #define IWL1000_MODULE_FIRMWARE(api) IWL1000_FW_PRE #api ".ucode"
60 #define IWL100_FW_PRE "iwlwifi-100-"
61 #define IWL100_MODULE_FIRMWARE(api) IWL100_FW_PRE #api ".ucode"
65 * For 1000, use advance thermal throttling critical temperature threshold,
66 * but legacy thermal management implementation for now.
67 * This is for the reason of 1000 uCode using advance thermal throttling API
68 * but not implement ct_kill_exit based on ct_kill exit temperature
69 * so the thermal throttling will still based on legacy thermal throttling
71 * The code here need to be modified once 1000 uCode has the advanced thermal
72 * throttling algorithm in place
74 static void iwl1000_set_ct_threshold(struct iwl_priv
*priv
)
77 priv
->hw_params
.ct_kill_threshold
= CT_KILL_THRESHOLD_LEGACY
;
78 priv
->hw_params
.ct_kill_exit_threshold
= CT_KILL_EXIT_THRESHOLD
;
81 /* NIC configuration for 1000 series */
82 static void iwl1000_nic_config(struct iwl_priv
*priv
)
84 /* set CSR_HW_CONFIG_REG for uCode use */
85 iwl_set_bit(priv
, CSR_HW_IF_CONFIG_REG
,
86 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI
|
87 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI
);
89 /* Setting digital SVR for 1000 card to 1.32V */
90 /* locking is acquired in iwl_set_bits_mask_prph() function */
91 iwl_set_bits_mask_prph(priv
, APMG_DIGITAL_SVR_REG
,
92 APMG_SVR_DIGITAL_VOLTAGE_1_32
,
93 ~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK
);
96 static struct iwl_sensitivity_ranges iwl1000_sensitivity
= {
98 .max_nrg_cck
= 0, /* not used, set to 0 */
99 .auto_corr_min_ofdm
= 90,
100 .auto_corr_min_ofdm_mrc
= 170,
101 .auto_corr_min_ofdm_x1
= 120,
102 .auto_corr_min_ofdm_mrc_x1
= 240,
104 .auto_corr_max_ofdm
= 120,
105 .auto_corr_max_ofdm_mrc
= 210,
106 .auto_corr_max_ofdm_x1
= 155,
107 .auto_corr_max_ofdm_mrc_x1
= 290,
109 .auto_corr_min_cck
= 125,
110 .auto_corr_max_cck
= 200,
111 .auto_corr_min_cck_mrc
= 170,
112 .auto_corr_max_cck_mrc
= 400,
116 .barker_corr_th_min
= 190,
117 .barker_corr_th_min_mrc
= 390,
121 static int iwl1000_hw_set_hw_params(struct iwl_priv
*priv
)
123 if (iwlagn_mod_params
.num_of_queues
>= IWL_MIN_NUM_QUEUES
&&
124 iwlagn_mod_params
.num_of_queues
<= IWLAGN_NUM_QUEUES
)
125 priv
->cfg
->base_params
->num_of_queues
=
126 iwlagn_mod_params
.num_of_queues
;
128 priv
->hw_params
.max_txq_num
= priv
->cfg
->base_params
->num_of_queues
;
129 priv
->hw_params
.dma_chnl_num
= FH50_TCSR_CHNL_NUM
;
130 priv
->hw_params
.scd_bc_tbls_size
=
131 priv
->cfg
->base_params
->num_of_queues
*
132 sizeof(struct iwlagn_scd_bc_tbl
);
133 priv
->hw_params
.tfd_size
= sizeof(struct iwl_tfd
);
134 priv
->hw_params
.max_stations
= IWLAGN_STATION_COUNT
;
135 priv
->contexts
[IWL_RXON_CTX_BSS
].bcast_sta_id
= IWLAGN_BROADCAST_ID
;
137 priv
->hw_params
.max_data_size
= IWLAGN_RTC_DATA_SIZE
;
138 priv
->hw_params
.max_inst_size
= IWLAGN_RTC_INST_SIZE
;
140 priv
->hw_params
.ht40_channel
= BIT(IEEE80211_BAND_2GHZ
) |
141 BIT(IEEE80211_BAND_5GHZ
);
142 priv
->hw_params
.rx_wrt_ptr_reg
= FH_RSCSR_CHNL0_WPTR
;
144 priv
->hw_params
.tx_chains_num
= num_of_ant(priv
->cfg
->valid_tx_ant
);
145 if (priv
->cfg
->rx_with_siso_diversity
)
146 priv
->hw_params
.rx_chains_num
= 1;
148 priv
->hw_params
.rx_chains_num
=
149 num_of_ant(priv
->cfg
->valid_rx_ant
);
150 priv
->hw_params
.valid_tx_ant
= priv
->cfg
->valid_tx_ant
;
151 priv
->hw_params
.valid_rx_ant
= priv
->cfg
->valid_rx_ant
;
153 iwl1000_set_ct_threshold(priv
);
155 /* Set initial sensitivity parameters */
156 /* Set initial calibration set */
157 priv
->hw_params
.sens
= &iwl1000_sensitivity
;
158 priv
->hw_params
.calib_init_cfg
=
159 BIT(IWL_CALIB_XTAL
) |
161 BIT(IWL_CALIB_TX_IQ
) |
162 BIT(IWL_CALIB_TX_IQ_PERD
) |
163 BIT(IWL_CALIB_BASE_BAND
);
164 if (priv
->cfg
->need_dc_calib
)
165 priv
->hw_params
.calib_init_cfg
|= BIT(IWL_CALIB_DC
);
167 priv
->hw_params
.beacon_time_tsf_bits
= IWLAGN_EXT_BEACON_TIME_POS
;
172 static struct iwl_lib_ops iwl1000_lib
= {
173 .set_hw_params
= iwl1000_hw_set_hw_params
,
174 .rx_handler_setup
= iwlagn_rx_handler_setup
,
175 .setup_deferred_work
= iwlagn_setup_deferred_work
,
176 .is_valid_rtc_data_addr
= iwlagn_hw_valid_rtc_data_addr
,
177 .send_tx_power
= iwlagn_send_tx_power
,
178 .update_chain_flags
= iwl_update_chain_flags
,
180 .init
= iwl_apm_init
,
181 .config
= iwl1000_nic_config
,
184 .regulatory_bands
= {
185 EEPROM_REG_BAND_1_CHANNELS
,
186 EEPROM_REG_BAND_2_CHANNELS
,
187 EEPROM_REG_BAND_3_CHANNELS
,
188 EEPROM_REG_BAND_4_CHANNELS
,
189 EEPROM_REG_BAND_5_CHANNELS
,
190 EEPROM_REG_BAND_24_HT40_CHANNELS
,
191 EEPROM_REGULATORY_BAND_NO_HT40
,
193 .query_addr
= iwlagn_eeprom_query_addr
,
196 .temperature
= iwlagn_temperature
,
198 .txfifo_flush
= iwlagn_txfifo_flush
,
199 .dev_txfifo_flush
= iwlagn_dev_txfifo_flush
,
202 static const struct iwl_ops iwl1000_ops
= {
204 .hcmd
= &iwlagn_hcmd
,
205 .utils
= &iwlagn_hcmd_utils
,
208 static struct iwl_base_params iwl1000_base_params
= {
209 .num_of_queues
= IWLAGN_NUM_QUEUES
,
210 .num_of_ampdu_queues
= IWLAGN_NUM_AMPDU_QUEUES
,
211 .eeprom_size
= OTP_LOW_IMAGE_SIZE
,
212 .pll_cfg_val
= CSR50_ANA_PLL_CFG_VAL
,
213 .max_ll_items
= OTP_MAX_LL_ITEMS_1000
,
214 .shadow_ram_support
= false,
215 .led_compensation
= 51,
216 .chain_noise_num_beacons
= IWL_CAL_NUM_BEACONS
,
217 .support_ct_kill_exit
= true,
218 .plcp_delta_threshold
= IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF
,
219 .chain_noise_scale
= 1000,
220 .wd_timeout
= IWL_DEF_WD_TIMEOUT
,
221 .max_event_log_size
= 128,
223 static struct iwl_ht_params iwl1000_ht_params
= {
224 .ht_greenfield_support
= true,
225 .use_rts_for_aggregation
= true, /* use rts/cts protection */
228 #define IWL_DEVICE_1000 \
229 .fw_name_pre = IWL1000_FW_PRE, \
230 .ucode_api_max = IWL1000_UCODE_API_MAX, \
231 .ucode_api_min = IWL1000_UCODE_API_MIN, \
232 .eeprom_ver = EEPROM_1000_EEPROM_VERSION, \
233 .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \
234 .ops = &iwl1000_ops, \
235 .base_params = &iwl1000_base_params, \
236 .led_mode = IWL_LED_BLINK
238 struct iwl_cfg iwl1000_bgn_cfg
= {
239 .name
= "Intel(R) Centrino(R) Wireless-N 1000 BGN",
241 .ht_params
= &iwl1000_ht_params
,
244 struct iwl_cfg iwl1000_bg_cfg
= {
245 .name
= "Intel(R) Centrino(R) Wireless-N 1000 BG",
249 #define IWL_DEVICE_100 \
250 .fw_name_pre = IWL100_FW_PRE, \
251 .ucode_api_max = IWL100_UCODE_API_MAX, \
252 .ucode_api_min = IWL100_UCODE_API_MIN, \
253 .eeprom_ver = EEPROM_1000_EEPROM_VERSION, \
254 .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \
255 .ops = &iwl1000_ops, \
256 .base_params = &iwl1000_base_params, \
257 .led_mode = IWL_LED_RF_STATE, \
258 .rx_with_siso_diversity = true
260 struct iwl_cfg iwl100_bgn_cfg
= {
261 .name
= "Intel(R) Centrino(R) Wireless-N 100 BGN",
263 .ht_params
= &iwl1000_ht_params
,
266 struct iwl_cfg iwl100_bg_cfg
= {
267 .name
= "Intel(R) Centrino(R) Wireless-N 100 BG",
271 MODULE_FIRMWARE(IWL1000_MODULE_FIRMWARE(IWL1000_UCODE_API_MAX
));
272 MODULE_FIRMWARE(IWL100_MODULE_FIRMWARE(IWL100_UCODE_API_MAX
));