1 /******************************************************************************
3 * Copyright(c) 2008 - 2010 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-agn-led.h"
49 #include "iwl-agn-debugfs.h"
51 /* Highest firmware API version supported */
52 #define IWL1000_UCODE_API_MAX 3
54 /* Lowest firmware API version supported */
55 #define IWL1000_UCODE_API_MIN 1
57 #define IWL1000_FW_PRE "iwlwifi-1000-"
58 #define _IWL1000_MODULE_FIRMWARE(api) IWL1000_FW_PRE #api ".ucode"
59 #define IWL1000_MODULE_FIRMWARE(api) _IWL1000_MODULE_FIRMWARE(api)
63 * For 1000, use advance thermal throttling critical temperature threshold,
64 * but legacy thermal management implementation for now.
65 * This is for the reason of 1000 uCode using advance thermal throttling API
66 * but not implement ct_kill_exit based on ct_kill exit temperature
67 * so the thermal throttling will still based on legacy thermal throttling
69 * The code here need to be modified once 1000 uCode has the advanced thermal
70 * throttling algorithm in place
72 static void iwl1000_set_ct_threshold(struct iwl_priv
*priv
)
75 priv
->hw_params
.ct_kill_threshold
= CT_KILL_THRESHOLD_LEGACY
;
76 priv
->hw_params
.ct_kill_exit_threshold
= CT_KILL_EXIT_THRESHOLD
;
79 /* NIC configuration for 1000 series */
80 static void iwl1000_nic_config(struct iwl_priv
*priv
)
82 /* set CSR_HW_CONFIG_REG for uCode use */
83 iwl_set_bit(priv
, CSR_HW_IF_CONFIG_REG
,
84 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI
|
85 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI
);
87 /* Setting digital SVR for 1000 card to 1.32V */
88 /* locking is acquired in iwl_set_bits_mask_prph() function */
89 iwl_set_bits_mask_prph(priv
, APMG_DIGITAL_SVR_REG
,
90 APMG_SVR_DIGITAL_VOLTAGE_1_32
,
91 ~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK
);
94 static struct iwl_sensitivity_ranges iwl1000_sensitivity
= {
96 .max_nrg_cck
= 0, /* not used, set to 0 */
97 .auto_corr_min_ofdm
= 90,
98 .auto_corr_min_ofdm_mrc
= 170,
99 .auto_corr_min_ofdm_x1
= 120,
100 .auto_corr_min_ofdm_mrc_x1
= 240,
102 .auto_corr_max_ofdm
= 120,
103 .auto_corr_max_ofdm_mrc
= 210,
104 .auto_corr_max_ofdm_x1
= 155,
105 .auto_corr_max_ofdm_mrc_x1
= 290,
107 .auto_corr_min_cck
= 125,
108 .auto_corr_max_cck
= 200,
109 .auto_corr_min_cck_mrc
= 170,
110 .auto_corr_max_cck_mrc
= 400,
114 .barker_corr_th_min
= 190,
115 .barker_corr_th_min_mrc
= 390,
119 static int iwl1000_hw_set_hw_params(struct iwl_priv
*priv
)
121 if (priv
->cfg
->mod_params
->num_of_queues
>= IWL_MIN_NUM_QUEUES
&&
122 priv
->cfg
->mod_params
->num_of_queues
<= IWLAGN_NUM_QUEUES
)
123 priv
->cfg
->num_of_queues
=
124 priv
->cfg
->mod_params
->num_of_queues
;
126 priv
->hw_params
.max_txq_num
= priv
->cfg
->num_of_queues
;
127 priv
->hw_params
.dma_chnl_num
= FH50_TCSR_CHNL_NUM
;
128 priv
->hw_params
.scd_bc_tbls_size
=
129 priv
->cfg
->num_of_queues
*
130 sizeof(struct iwlagn_scd_bc_tbl
);
131 priv
->hw_params
.tfd_size
= sizeof(struct iwl_tfd
);
132 priv
->hw_params
.max_stations
= IWLAGN_STATION_COUNT
;
133 priv
->contexts
[IWL_RXON_CTX_BSS
].bcast_sta_id
= IWLAGN_BROADCAST_ID
;
135 priv
->hw_params
.max_data_size
= IWLAGN_RTC_DATA_SIZE
;
136 priv
->hw_params
.max_inst_size
= IWLAGN_RTC_INST_SIZE
;
138 priv
->hw_params
.max_bsm_size
= 0;
139 priv
->hw_params
.ht40_channel
= BIT(IEEE80211_BAND_2GHZ
) |
140 BIT(IEEE80211_BAND_5GHZ
);
141 priv
->hw_params
.rx_wrt_ptr_reg
= FH_RSCSR_CHNL0_WPTR
;
143 priv
->hw_params
.tx_chains_num
= num_of_ant(priv
->cfg
->valid_tx_ant
);
144 priv
->hw_params
.rx_chains_num
= num_of_ant(priv
->cfg
->valid_rx_ant
);
145 priv
->hw_params
.valid_tx_ant
= priv
->cfg
->valid_tx_ant
;
146 priv
->hw_params
.valid_rx_ant
= priv
->cfg
->valid_rx_ant
;
148 if (priv
->cfg
->ops
->lib
->temp_ops
.set_ct_kill
)
149 priv
->cfg
->ops
->lib
->temp_ops
.set_ct_kill(priv
);
151 /* Set initial sensitivity parameters */
152 /* Set initial calibration set */
153 priv
->hw_params
.sens
= &iwl1000_sensitivity
;
154 priv
->hw_params
.calib_init_cfg
=
155 BIT(IWL_CALIB_XTAL
) |
157 BIT(IWL_CALIB_TX_IQ
) |
158 BIT(IWL_CALIB_TX_IQ_PERD
) |
159 BIT(IWL_CALIB_BASE_BAND
);
160 if (priv
->cfg
->need_dc_calib
)
161 priv
->hw_params
.calib_init_cfg
|= BIT(IWL_CALIB_DC
);
163 priv
->hw_params
.beacon_time_tsf_bits
= IWLAGN_EXT_BEACON_TIME_POS
;
168 static struct iwl_lib_ops iwl1000_lib
= {
169 .set_hw_params
= iwl1000_hw_set_hw_params
,
170 .txq_update_byte_cnt_tbl
= iwlagn_txq_update_byte_cnt_tbl
,
171 .txq_inval_byte_cnt_tbl
= iwlagn_txq_inval_byte_cnt_tbl
,
172 .txq_set_sched
= iwlagn_txq_set_sched
,
173 .txq_agg_enable
= iwlagn_txq_agg_enable
,
174 .txq_agg_disable
= iwlagn_txq_agg_disable
,
175 .txq_attach_buf_to_tfd
= iwl_hw_txq_attach_buf_to_tfd
,
176 .txq_free_tfd
= iwl_hw_txq_free_tfd
,
177 .txq_init
= iwl_hw_tx_queue_init
,
178 .rx_handler_setup
= iwlagn_rx_handler_setup
,
179 .setup_deferred_work
= iwlagn_setup_deferred_work
,
180 .is_valid_rtc_data_addr
= iwlagn_hw_valid_rtc_data_addr
,
181 .load_ucode
= iwlagn_load_ucode
,
182 .dump_nic_event_log
= iwl_dump_nic_event_log
,
183 .dump_nic_error_log
= iwl_dump_nic_error_log
,
184 .dump_csr
= iwl_dump_csr
,
185 .dump_fh
= iwl_dump_fh
,
186 .init_alive_start
= iwlagn_init_alive_start
,
187 .alive_notify
= iwlagn_alive_notify
,
188 .send_tx_power
= iwlagn_send_tx_power
,
189 .update_chain_flags
= iwl_update_chain_flags
,
191 .init
= iwl_apm_init
,
192 .stop
= iwl_apm_stop
,
193 .config
= iwl1000_nic_config
,
194 .set_pwr_src
= iwl_set_pwr_src
,
197 .regulatory_bands
= {
198 EEPROM_REG_BAND_1_CHANNELS
,
199 EEPROM_REG_BAND_2_CHANNELS
,
200 EEPROM_REG_BAND_3_CHANNELS
,
201 EEPROM_REG_BAND_4_CHANNELS
,
202 EEPROM_REG_BAND_5_CHANNELS
,
203 EEPROM_REG_BAND_24_HT40_CHANNELS
,
204 EEPROM_REG_BAND_52_HT40_CHANNELS
206 .verify_signature
= iwlcore_eeprom_verify_signature
,
207 .acquire_semaphore
= iwlcore_eeprom_acquire_semaphore
,
208 .release_semaphore
= iwlcore_eeprom_release_semaphore
,
209 .calib_version
= iwlagn_eeprom_calib_version
,
210 .query_addr
= iwlagn_eeprom_query_addr
,
212 .post_associate
= iwl_post_associate
,
214 .config_ap
= iwl_config_ap
,
216 .temperature
= iwlagn_temperature
,
217 .set_ct_kill
= iwl1000_set_ct_threshold
,
219 .manage_ibss_station
= iwlagn_manage_ibss_station
,
220 .update_bcast_stations
= iwl_update_bcast_stations
,
222 .rx_stats_read
= iwl_ucode_rx_stats_read
,
223 .tx_stats_read
= iwl_ucode_tx_stats_read
,
224 .general_stats_read
= iwl_ucode_general_stats_read
,
225 .bt_stats_read
= iwl_ucode_bt_stats_read
,
226 .reply_tx_error
= iwl_reply_tx_error_read
,
228 .recover_from_tx_stall
= iwl_bg_monitor_recover
,
229 .check_plcp_health
= iwl_good_plcp_health
,
230 .check_ack_health
= iwl_good_ack_health
,
231 .txfifo_flush
= iwlagn_txfifo_flush
,
232 .dev_txfifo_flush
= iwlagn_dev_txfifo_flush
,
234 .lower_power_detection
= iwl_tt_is_low_power_state
,
235 .tt_power_mode
= iwl_tt_current_power_mode
,
236 .ct_kill_check
= iwl_check_for_ct_kill
,
240 static const struct iwl_ops iwl1000_ops
= {
242 .hcmd
= &iwlagn_hcmd
,
243 .utils
= &iwlagn_hcmd_utils
,
244 .led
= &iwlagn_led_ops
,
247 struct iwl_cfg iwl1000_bgn_cfg
= {
248 .name
= "Intel(R) Centrino(R) Wireless-N 1000 BGN",
249 .fw_name_pre
= IWL1000_FW_PRE
,
250 .ucode_api_max
= IWL1000_UCODE_API_MAX
,
251 .ucode_api_min
= IWL1000_UCODE_API_MIN
,
252 .sku
= IWL_SKU_G
|IWL_SKU_N
,
254 .eeprom_size
= OTP_LOW_IMAGE_SIZE
,
255 .eeprom_ver
= EEPROM_1000_EEPROM_VERSION
,
256 .eeprom_calib_ver
= EEPROM_1000_TX_POWER_VERSION
,
257 .num_of_queues
= IWLAGN_NUM_QUEUES
,
258 .num_of_ampdu_queues
= IWLAGN_NUM_AMPDU_QUEUES
,
259 .mod_params
= &iwlagn_mod_params
,
260 .valid_tx_ant
= ANT_A
,
261 .valid_rx_ant
= ANT_AB
,
262 .pll_cfg_val
= CSR50_ANA_PLL_CFG_VAL
,
265 .max_ll_items
= OTP_MAX_LL_ITEMS_1000
,
266 .shadow_ram_support
= false,
267 .ht_greenfield_support
= true,
268 .led_compensation
= 51,
269 .use_rts_for_aggregation
= true, /* use rts/cts protection */
270 .chain_noise_num_beacons
= IWL_CAL_NUM_BEACONS
,
271 .support_ct_kill_exit
= true,
272 .plcp_delta_threshold
= IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF
,
273 .chain_noise_scale
= 1000,
274 .monitor_recover_period
= IWL_DEF_MONITORING_PERIOD
,
275 .max_event_log_size
= 128,
276 .ucode_tracing
= true,
277 .sensitivity_calib_by_driver
= true,
278 .chain_noise_calib_by_driver
= true,
281 struct iwl_cfg iwl1000_bg_cfg
= {
282 .name
= "Intel(R) Centrino(R) Wireless-N 1000 BG",
283 .fw_name_pre
= IWL1000_FW_PRE
,
284 .ucode_api_max
= IWL1000_UCODE_API_MAX
,
285 .ucode_api_min
= IWL1000_UCODE_API_MIN
,
288 .eeprom_size
= OTP_LOW_IMAGE_SIZE
,
289 .eeprom_ver
= EEPROM_1000_EEPROM_VERSION
,
290 .eeprom_calib_ver
= EEPROM_1000_TX_POWER_VERSION
,
291 .num_of_queues
= IWLAGN_NUM_QUEUES
,
292 .num_of_ampdu_queues
= IWLAGN_NUM_AMPDU_QUEUES
,
293 .mod_params
= &iwlagn_mod_params
,
294 .valid_tx_ant
= ANT_A
,
295 .valid_rx_ant
= ANT_AB
,
296 .pll_cfg_val
= CSR50_ANA_PLL_CFG_VAL
,
299 .max_ll_items
= OTP_MAX_LL_ITEMS_1000
,
300 .shadow_ram_support
= false,
301 .led_compensation
= 51,
302 .chain_noise_num_beacons
= IWL_CAL_NUM_BEACONS
,
303 .support_ct_kill_exit
= true,
304 .plcp_delta_threshold
= IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF
,
305 .chain_noise_scale
= 1000,
306 .monitor_recover_period
= IWL_DEF_MONITORING_PERIOD
,
307 .max_event_log_size
= 128,
308 .ucode_tracing
= true,
309 .sensitivity_calib_by_driver
= true,
310 .chain_noise_calib_by_driver
= true,
313 MODULE_FIRMWARE(IWL1000_MODULE_FIRMWARE(IWL1000_UCODE_API_MAX
));