iwlagn: add kick_nic API to transport layer
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-2000.c
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1/******************************************************************************
2 *
901069c7 3 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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4 *
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.
8 *
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
12 * more details.
13 *
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
17 *
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
20 *
21 * Contact Information:
22 * Intel Linux Wireless <ilw@linux.intel.com>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24 *
25 *****************************************************************************/
26
27#include <linux/kernel.h>
28#include <linux/module.h>
29#include <linux/init.h>
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30#include <linux/delay.h>
31#include <linux/skbuff.h>
32#include <linux/netdevice.h>
33#include <linux/wireless.h>
34#include <net/mac80211.h>
35#include <linux/etherdevice.h>
36#include <asm/unaligned.h>
8fcbd4dc 37#include <linux/stringify.h>
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38
39#include "iwl-eeprom.h"
40#include "iwl-dev.h"
41#include "iwl-core.h"
42#include "iwl-io.h"
43#include "iwl-sta.h"
44#include "iwl-agn.h"
45#include "iwl-helpers.h"
46#include "iwl-agn-hw.h"
47#include "iwl-6000-hw.h"
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48
49/* Highest firmware API version supported */
50#define IWL2030_UCODE_API_MAX 5
51#define IWL2000_UCODE_API_MAX 5
b4ed221d 52#define IWL105_UCODE_API_MAX 5
54e9c409 53#define IWL135_UCODE_API_MAX 5
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54
55/* Lowest firmware API version supported */
56#define IWL2030_UCODE_API_MIN 5
57#define IWL2000_UCODE_API_MIN 5
b4ed221d 58#define IWL105_UCODE_API_MIN 5
54e9c409 59#define IWL135_UCODE_API_MIN 5
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60
61#define IWL2030_FW_PRE "iwlwifi-2030-"
8fcbd4dc 62#define IWL2030_MODULE_FIRMWARE(api) IWL2030_FW_PRE __stringify(api) ".ucode"
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63
64#define IWL2000_FW_PRE "iwlwifi-2000-"
8fcbd4dc 65#define IWL2000_MODULE_FIRMWARE(api) IWL2000_FW_PRE __stringify(api) ".ucode"
c5a5e185 66
b4ed221d 67#define IWL105_FW_PRE "iwlwifi-105-"
8fcbd4dc 68#define IWL105_MODULE_FIRMWARE(api) IWL105_FW_PRE __stringify(api) ".ucode"
c5a5e185 69
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70#define IWL135_FW_PRE "iwlwifi-135-"
71#define IWL135_MODULE_FIRMWARE(api) IWL135_FW_PRE #api ".ucode"
72
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73static void iwl2000_set_ct_threshold(struct iwl_priv *priv)
74{
75 /* want Celsius */
76 priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD;
77 priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
78}
79
80/* NIC configuration for 2000 series */
81static void iwl2000_nic_config(struct iwl_priv *priv)
82{
86cb3b4e 83 iwl_rf_config(priv);
c5a5e185 84
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85 if (priv->cfg->iq_invert)
86 iwl_set_bit(priv, CSR_GP_DRIVER_REG,
87 CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER);
88
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89 if (priv->cfg->disable_otp_refresh)
90 iwl_write_prph(priv, APMG_ANALOG_SVR_REG, 0x80000010);
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91}
92
93static struct iwl_sensitivity_ranges iwl2000_sensitivity = {
94 .min_nrg_cck = 97,
95 .max_nrg_cck = 0, /* not used, set to 0 */
96 .auto_corr_min_ofdm = 80,
97 .auto_corr_min_ofdm_mrc = 128,
98 .auto_corr_min_ofdm_x1 = 105,
99 .auto_corr_min_ofdm_mrc_x1 = 192,
100
101 .auto_corr_max_ofdm = 145,
102 .auto_corr_max_ofdm_mrc = 232,
103 .auto_corr_max_ofdm_x1 = 110,
104 .auto_corr_max_ofdm_mrc_x1 = 232,
105
106 .auto_corr_min_cck = 125,
107 .auto_corr_max_cck = 175,
108 .auto_corr_min_cck_mrc = 160,
109 .auto_corr_max_cck_mrc = 310,
110 .nrg_th_cck = 97,
111 .nrg_th_ofdm = 100,
112
113 .barker_corr_th_min = 190,
114 .barker_corr_th_min_mrc = 390,
115 .nrg_th_cca = 62,
116};
117
118static int iwl2000_hw_set_hw_params(struct iwl_priv *priv)
119{
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120 if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
121 iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
c5a5e185 122 priv->cfg->base_params->num_of_queues =
9d143e9a 123 iwlagn_mod_params.num_of_queues;
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124
125 priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues;
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126 priv->hw_params.scd_bc_tbls_size =
127 priv->cfg->base_params->num_of_queues *
128 sizeof(struct iwlagn_scd_bc_tbl);
129 priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
130 priv->hw_params.max_stations = IWLAGN_STATION_COUNT;
131 priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
132
133 priv->hw_params.max_data_size = IWL60_RTC_DATA_SIZE;
134 priv->hw_params.max_inst_size = IWL60_RTC_INST_SIZE;
135
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136 priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) |
137 BIT(IEEE80211_BAND_5GHZ);
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138
139 priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
140 if (priv->cfg->rx_with_siso_diversity)
141 priv->hw_params.rx_chains_num = 1;
142 else
143 priv->hw_params.rx_chains_num =
144 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;
147
148 iwl2000_set_ct_threshold(priv);
149
150 /* Set initial sensitivity parameters */
151 /* Set initial calibration set */
152 priv->hw_params.sens = &iwl2000_sensitivity;
153 priv->hw_params.calib_init_cfg =
154 BIT(IWL_CALIB_XTAL) |
155 BIT(IWL_CALIB_LO) |
156 BIT(IWL_CALIB_TX_IQ) |
157 BIT(IWL_CALIB_BASE_BAND);
158 if (priv->cfg->need_dc_calib)
45d50024 159 priv->hw_params.calib_rt_cfg |= IWL_CALIB_CFG_DC_IDX;
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160 if (priv->cfg->need_temp_offset_calib)
161 priv->hw_params.calib_init_cfg |= BIT(IWL_CALIB_TEMP_OFFSET);
162
163 priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
164
165 return 0;
166}
167
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168static struct iwl_lib_ops iwl2000_lib = {
169 .set_hw_params = iwl2000_hw_set_hw_params,
c5a5e185 170 .rx_handler_setup = iwlagn_rx_handler_setup,
0a49b2c2 171 .setup_deferred_work = iwlagn_setup_deferred_work,
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172 .nic_config = iwl2000_nic_config,
173 .eeprom_ops = {
174 .regulatory_bands = {
175 EEPROM_REG_BAND_1_CHANNELS,
176 EEPROM_REG_BAND_2_CHANNELS,
177 EEPROM_REG_BAND_3_CHANNELS,
178 EEPROM_REG_BAND_4_CHANNELS,
179 EEPROM_REG_BAND_5_CHANNELS,
180 EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
181 EEPROM_REGULATORY_BAND_NO_HT40,
182 },
183 .update_enhanced_txpower = iwlcore_eeprom_enhanced_txpower,
184 },
185 .temperature = iwlagn_temperature,
186};
187
188static struct iwl_lib_ops iwl2030_lib = {
189 .set_hw_params = iwl2000_hw_set_hw_params,
190 .rx_handler_setup = iwlagn_bt_rx_handler_setup,
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191 .setup_deferred_work = iwlagn_bt_setup_deferred_work,
192 .cancel_deferred_work = iwlagn_bt_cancel_deferred_work,
e4c598b7 193 .nic_config = iwl2000_nic_config,
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194 .eeprom_ops = {
195 .regulatory_bands = {
196 EEPROM_REG_BAND_1_CHANNELS,
197 EEPROM_REG_BAND_2_CHANNELS,
198 EEPROM_REG_BAND_3_CHANNELS,
199 EEPROM_REG_BAND_4_CHANNELS,
200 EEPROM_REG_BAND_5_CHANNELS,
201 EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
5cab35e7 202 EEPROM_REGULATORY_BAND_NO_HT40,
c5a5e185 203 },
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204 .update_enhanced_txpower = iwlcore_eeprom_enhanced_txpower,
205 },
909fc3cb 206 .temperature = iwlagn_temperature,
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207};
208
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209static struct iwl_base_params iwl2000_base_params = {
210 .eeprom_size = OTP_LOW_IMAGE_SIZE,
211 .num_of_queues = IWLAGN_NUM_QUEUES,
212 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
213 .pll_cfg_val = 0,
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214 .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
215 .shadow_ram_support = true,
216 .led_compensation = 51,
217 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
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218 .adv_thermal_throttle = true,
219 .support_ct_kill_exit = true,
220 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
221 .chain_noise_scale = 1000,
222 .wd_timeout = IWL_DEF_WD_TIMEOUT,
223 .max_event_log_size = 512,
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224 .shadow_reg_enable = true,
225};
226
227
228static struct iwl_base_params iwl2030_base_params = {
229 .eeprom_size = OTP_LOW_IMAGE_SIZE,
230 .num_of_queues = IWLAGN_NUM_QUEUES,
231 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
232 .pll_cfg_val = 0,
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233 .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
234 .shadow_ram_support = true,
235 .led_compensation = 57,
236 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
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237 .adv_thermal_throttle = true,
238 .support_ct_kill_exit = true,
239 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
240 .chain_noise_scale = 1000,
241 .wd_timeout = IWL_LONG_WD_TIMEOUT,
242 .max_event_log_size = 512,
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243 .shadow_reg_enable = true,
244};
245
246static struct iwl_ht_params iwl2000_ht_params = {
247 .ht_greenfield_support = true,
248 .use_rts_for_aggregation = true, /* use rts/cts protection */
249};
250
251static struct iwl_bt_params iwl2030_bt_params = {
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252 /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
253 .advanced_bt_coexist = true,
254 .agg_time_limit = BT_AGG_THRESHOLD_DEF,
255 .bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
256 .bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
257 .bt_sco_disable = true,
6013270a 258 .bt_session_2 = true,
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259};
260
261#define IWL_DEVICE_2000 \
262 .fw_name_pre = IWL2000_FW_PRE, \
263 .ucode_api_max = IWL2000_UCODE_API_MAX, \
264 .ucode_api_min = IWL2000_UCODE_API_MIN, \
265 .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
266 .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
90c300cb 267 .lib = &iwl2000_lib, \
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268 .base_params = &iwl2000_base_params, \
269 .need_dc_calib = true, \
270 .need_temp_offset_calib = true, \
52e6b85f 271 .led_mode = IWL_LED_RF_STATE, \
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272 .iq_invert = true, \
273 .disable_otp_refresh = true \
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274
275struct iwl_cfg iwl2000_2bgn_cfg = {
276 .name = "2000 Series 2x2 BGN",
277 IWL_DEVICE_2000,
278 .ht_params = &iwl2000_ht_params,
279};
280
281struct iwl_cfg iwl2000_2bg_cfg = {
282 .name = "2000 Series 2x2 BG",
283 IWL_DEVICE_2000,
284};
285
286#define IWL_DEVICE_2030 \
287 .fw_name_pre = IWL2030_FW_PRE, \
288 .ucode_api_max = IWL2030_UCODE_API_MAX, \
289 .ucode_api_min = IWL2030_UCODE_API_MIN, \
290 .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
291 .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
90c300cb 292 .lib = &iwl2030_lib, \
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293 .base_params = &iwl2030_base_params, \
294 .bt_params = &iwl2030_bt_params, \
295 .need_dc_calib = true, \
296 .need_temp_offset_calib = true, \
297 .led_mode = IWL_LED_RF_STATE, \
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298 .adv_pm = true, \
299 .iq_invert = true \
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300
301struct iwl_cfg iwl2030_2bgn_cfg = {
302 .name = "2000 Series 2x2 BGN/BT",
96234cc8 303 IWL_DEVICE_2030,
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304 .ht_params = &iwl2000_ht_params,
305};
306
307struct iwl_cfg iwl2030_2bg_cfg = {
308 .name = "2000 Series 2x2 BG/BT",
96234cc8 309 IWL_DEVICE_2030,
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310};
311
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312#define IWL_DEVICE_105 \
313 .fw_name_pre = IWL105_FW_PRE, \
314 .ucode_api_max = IWL105_UCODE_API_MAX, \
315 .ucode_api_min = IWL105_UCODE_API_MIN, \
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316 .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
317 .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
90c300cb 318 .lib = &iwl2000_lib, \
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319 .base_params = &iwl2000_base_params, \
320 .need_dc_calib = true, \
321 .need_temp_offset_calib = true, \
322 .led_mode = IWL_LED_RF_STATE, \
323 .adv_pm = true, \
324 .rx_with_siso_diversity = true \
325
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326struct iwl_cfg iwl105_bg_cfg = {
327 .name = "105 Series 1x1 BG",
328 IWL_DEVICE_105,
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329};
330
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331struct iwl_cfg iwl105_bgn_cfg = {
332 .name = "105 Series 1x1 BGN",
333 IWL_DEVICE_105,
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334 .ht_params = &iwl2000_ht_params,
335};
336
b4ed221d 337#define IWL_DEVICE_135 \
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338 .fw_name_pre = IWL135_FW_PRE, \
339 .ucode_api_max = IWL135_UCODE_API_MAX, \
340 .ucode_api_min = IWL135_UCODE_API_MIN, \
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341 .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
342 .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
90c300cb 343 .lib = &iwl2030_lib, \
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344 .base_params = &iwl2030_base_params, \
345 .bt_params = &iwl2030_bt_params, \
346 .need_dc_calib = true, \
347 .need_temp_offset_calib = true, \
348 .led_mode = IWL_LED_RF_STATE, \
349 .adv_pm = true, \
350 .rx_with_siso_diversity = true \
351
b4ed221d 352struct iwl_cfg iwl135_bg_cfg = {
54e9c409 353 .name = "135 Series 1x1 BG/BT",
b4ed221d 354 IWL_DEVICE_135,
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355};
356
b4ed221d 357struct iwl_cfg iwl135_bgn_cfg = {
54e9c409 358 .name = "135 Series 1x1 BGN/BT",
b4ed221d 359 IWL_DEVICE_135,
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360 .ht_params = &iwl2000_ht_params,
361};
362
363MODULE_FIRMWARE(IWL2000_MODULE_FIRMWARE(IWL2000_UCODE_API_MAX));
364MODULE_FIRMWARE(IWL2030_MODULE_FIRMWARE(IWL2030_UCODE_API_MAX));
b4ed221d 365MODULE_FIRMWARE(IWL105_MODULE_FIRMWARE(IWL105_UCODE_API_MAX));
54e9c409 366MODULE_FIRMWARE(IWL135_MODULE_FIRMWARE(IWL135_UCODE_API_MAX));
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