iwlwifi: give PCIe its own lock
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-2000.c
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1/******************************************************************************
2 *
4e318262 3 * Copyright(c) 2008 - 2012 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>
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33#include <net/mac80211.h>
34#include <linux/etherdevice.h>
35#include <asm/unaligned.h>
8fcbd4dc 36#include <linux/stringify.h>
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37
38#include "iwl-eeprom.h"
39#include "iwl-dev.h"
40#include "iwl-core.h"
41#include "iwl-io.h"
c5a5e185 42#include "iwl-agn.h"
c5a5e185 43#include "iwl-agn-hw.h"
48f20d35 44#include "iwl-shared.h"
cebcbd75 45#include "iwl-cfg.h"
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46
47/* Highest firmware API version supported */
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48#define IWL2030_UCODE_API_MAX 6
49#define IWL2000_UCODE_API_MAX 6
50#define IWL105_UCODE_API_MAX 6
51#define IWL135_UCODE_API_MAX 6
52
53/* Oldest version we won't warn about */
54#define IWL2030_UCODE_API_OK 5
55#define IWL2000_UCODE_API_OK 5
56#define IWL105_UCODE_API_OK 5
57#define IWL135_UCODE_API_OK 5
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58
59/* Lowest firmware API version supported */
60#define IWL2030_UCODE_API_MIN 5
61#define IWL2000_UCODE_API_MIN 5
b4ed221d 62#define IWL105_UCODE_API_MIN 5
54e9c409 63#define IWL135_UCODE_API_MIN 5
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64
65#define IWL2030_FW_PRE "iwlwifi-2030-"
8fcbd4dc 66#define IWL2030_MODULE_FIRMWARE(api) IWL2030_FW_PRE __stringify(api) ".ucode"
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67
68#define IWL2000_FW_PRE "iwlwifi-2000-"
8fcbd4dc 69#define IWL2000_MODULE_FIRMWARE(api) IWL2000_FW_PRE __stringify(api) ".ucode"
c5a5e185 70
b4ed221d 71#define IWL105_FW_PRE "iwlwifi-105-"
8fcbd4dc 72#define IWL105_MODULE_FIRMWARE(api) IWL105_FW_PRE __stringify(api) ".ucode"
c5a5e185 73
54e9c409 74#define IWL135_FW_PRE "iwlwifi-135-"
5092e47a 75#define IWL135_MODULE_FIRMWARE(api) IWL135_FW_PRE __stringify(api) ".ucode"
54e9c409 76
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77static void iwl2000_set_ct_threshold(struct iwl_priv *priv)
78{
79 /* want Celsius */
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80 hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD;
81 hw_params(priv).ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
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82}
83
84/* NIC configuration for 2000 series */
85static void iwl2000_nic_config(struct iwl_priv *priv)
86{
86cb3b4e 87 iwl_rf_config(priv);
c5a5e185 88
38622419 89 if (cfg(priv)->iq_invert)
1042db2a 90 iwl_set_bit(trans(priv), CSR_GP_DRIVER_REG,
52e6b85f 91 CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER);
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92}
93
94static struct iwl_sensitivity_ranges iwl2000_sensitivity = {
95 .min_nrg_cck = 97,
96 .max_nrg_cck = 0, /* not used, set to 0 */
97 .auto_corr_min_ofdm = 80,
98 .auto_corr_min_ofdm_mrc = 128,
99 .auto_corr_min_ofdm_x1 = 105,
100 .auto_corr_min_ofdm_mrc_x1 = 192,
101
102 .auto_corr_max_ofdm = 145,
103 .auto_corr_max_ofdm_mrc = 232,
104 .auto_corr_max_ofdm_x1 = 110,
105 .auto_corr_max_ofdm_mrc_x1 = 232,
106
107 .auto_corr_min_cck = 125,
108 .auto_corr_max_cck = 175,
109 .auto_corr_min_cck_mrc = 160,
110 .auto_corr_max_cck_mrc = 310,
111 .nrg_th_cck = 97,
112 .nrg_th_ofdm = 100,
113
114 .barker_corr_th_min = 190,
115 .barker_corr_th_min_mrc = 390,
116 .nrg_th_cca = 62,
117};
118
119static int iwl2000_hw_set_hw_params(struct iwl_priv *priv)
120{
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121 if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
122 iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
38622419 123 cfg(priv)->base_params->num_of_queues =
9d143e9a 124 iwlagn_mod_params.num_of_queues;
c5a5e185 125
38622419 126 hw_params(priv).max_txq_num = cfg(priv)->base_params->num_of_queues;
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127 hw_params(priv).max_data_size = IWL60_RTC_DATA_SIZE;
128 hw_params(priv).max_inst_size = IWL60_RTC_INST_SIZE;
c5a5e185 129
d6189124 130 hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ);
c5a5e185 131
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132 hw_params(priv).tx_chains_num = num_of_ant(cfg(priv)->valid_tx_ant);
133 if (cfg(priv)->rx_with_siso_diversity)
d6189124 134 hw_params(priv).rx_chains_num = 1;
c5a5e185 135 else
d6189124 136 hw_params(priv).rx_chains_num =
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137 num_of_ant(cfg(priv)->valid_rx_ant);
138 hw_params(priv).valid_tx_ant = cfg(priv)->valid_tx_ant;
139 hw_params(priv).valid_rx_ant = cfg(priv)->valid_rx_ant;
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140
141 iwl2000_set_ct_threshold(priv);
142
143 /* Set initial sensitivity parameters */
d6189124 144 hw_params(priv).sens = &iwl2000_sensitivity;
c5a5e185 145
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146 return 0;
147}
148
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149static struct iwl_lib_ops iwl2000_lib = {
150 .set_hw_params = iwl2000_hw_set_hw_params,
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151 .nic_config = iwl2000_nic_config,
152 .eeprom_ops = {
153 .regulatory_bands = {
154 EEPROM_REG_BAND_1_CHANNELS,
155 EEPROM_REG_BAND_2_CHANNELS,
156 EEPROM_REG_BAND_3_CHANNELS,
157 EEPROM_REG_BAND_4_CHANNELS,
158 EEPROM_REG_BAND_5_CHANNELS,
159 EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
160 EEPROM_REGULATORY_BAND_NO_HT40,
161 },
b39488a9 162 .update_enhanced_txpower = iwl_eeprom_enhanced_txpower,
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163 },
164 .temperature = iwlagn_temperature,
165};
166
167static struct iwl_lib_ops iwl2030_lib = {
168 .set_hw_params = iwl2000_hw_set_hw_params,
8d301193 169 .bt_rx_handler_setup = iwlagn_bt_rx_handler_setup,
6bd4dba3 170 .bt_setup_deferred_work = iwlagn_bt_setup_deferred_work,
caebbb7a 171 .cancel_deferred_work = iwlagn_bt_cancel_deferred_work,
e4c598b7 172 .nic_config = iwl2000_nic_config,
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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,
5cab35e7 181 EEPROM_REGULATORY_BAND_NO_HT40,
c5a5e185 182 },
b39488a9 183 .update_enhanced_txpower = iwl_eeprom_enhanced_txpower,
c5a5e185 184 },
909fc3cb 185 .temperature = iwlagn_temperature,
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186};
187
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188static struct iwl_base_params iwl2000_base_params = {
189 .eeprom_size = OTP_LOW_IMAGE_SIZE,
190 .num_of_queues = IWLAGN_NUM_QUEUES,
191 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
192 .pll_cfg_val = 0,
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193 .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
194 .shadow_ram_support = true,
195 .led_compensation = 51,
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196 .adv_thermal_throttle = true,
197 .support_ct_kill_exit = true,
198 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
199 .chain_noise_scale = 1000,
200 .wd_timeout = IWL_DEF_WD_TIMEOUT,
201 .max_event_log_size = 512,
c5a5e185 202 .shadow_reg_enable = true,
ae7f9a74 203 .hd_v2 = true,
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204};
205
206
207static struct iwl_base_params iwl2030_base_params = {
208 .eeprom_size = OTP_LOW_IMAGE_SIZE,
209 .num_of_queues = IWLAGN_NUM_QUEUES,
210 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
211 .pll_cfg_val = 0,
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212 .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
213 .shadow_ram_support = true,
214 .led_compensation = 57,
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215 .adv_thermal_throttle = true,
216 .support_ct_kill_exit = true,
217 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
218 .chain_noise_scale = 1000,
219 .wd_timeout = IWL_LONG_WD_TIMEOUT,
220 .max_event_log_size = 512,
c5a5e185 221 .shadow_reg_enable = true,
ae7f9a74 222 .hd_v2 = true,
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223};
224
225static struct iwl_ht_params iwl2000_ht_params = {
226 .ht_greenfield_support = true,
227 .use_rts_for_aggregation = true, /* use rts/cts protection */
228};
229
230static struct iwl_bt_params iwl2030_bt_params = {
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231 /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
232 .advanced_bt_coexist = true,
233 .agg_time_limit = BT_AGG_THRESHOLD_DEF,
234 .bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
235 .bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
236 .bt_sco_disable = true,
6013270a 237 .bt_session_2 = true,
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238};
239
240#define IWL_DEVICE_2000 \
241 .fw_name_pre = IWL2000_FW_PRE, \
242 .ucode_api_max = IWL2000_UCODE_API_MAX, \
ca9a4605 243 .ucode_api_ok = IWL2000_UCODE_API_OK, \
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244 .ucode_api_min = IWL2000_UCODE_API_MIN, \
245 .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
246 .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
90c300cb 247 .lib = &iwl2000_lib, \
c5a5e185 248 .base_params = &iwl2000_base_params, \
c5a5e185 249 .need_temp_offset_calib = true, \
c6f30347 250 .temp_offset_v2 = true, \
52e6b85f 251 .led_mode = IWL_LED_RF_STATE, \
d62b39e1 252 .iq_invert = true \
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253
254struct iwl_cfg iwl2000_2bgn_cfg = {
6195d135 255 .name = "Intel(R) Centrino(R) Wireless-N 2200 BGN",
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256 IWL_DEVICE_2000,
257 .ht_params = &iwl2000_ht_params,
258};
259
1603dd49 260struct iwl_cfg iwl2000_2bgn_d_cfg = {
6195d135 261 .name = "Intel(R) Centrino(R) Wireless-N 2200D BGN",
1603dd49 262 IWL_DEVICE_2000,
ec8f734f 263 .ht_params = &iwl2000_ht_params,
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264};
265
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266#define IWL_DEVICE_2030 \
267 .fw_name_pre = IWL2030_FW_PRE, \
268 .ucode_api_max = IWL2030_UCODE_API_MAX, \
ca9a4605 269 .ucode_api_ok = IWL2030_UCODE_API_OK, \
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270 .ucode_api_min = IWL2030_UCODE_API_MIN, \
271 .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
272 .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
90c300cb 273 .lib = &iwl2030_lib, \
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274 .base_params = &iwl2030_base_params, \
275 .bt_params = &iwl2030_bt_params, \
c5a5e185 276 .need_temp_offset_calib = true, \
c6f30347 277 .temp_offset_v2 = true, \
c5a5e185 278 .led_mode = IWL_LED_RF_STATE, \
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279 .adv_pm = true, \
280 .iq_invert = true \
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281
282struct iwl_cfg iwl2030_2bgn_cfg = {
6195d135 283 .name = "Intel(R) Centrino(R) Wireless-N 2230 BGN",
96234cc8 284 IWL_DEVICE_2030,
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285 .ht_params = &iwl2000_ht_params,
286};
287
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288#define IWL_DEVICE_105 \
289 .fw_name_pre = IWL105_FW_PRE, \
290 .ucode_api_max = IWL105_UCODE_API_MAX, \
ca9a4605 291 .ucode_api_ok = IWL105_UCODE_API_OK, \
b4ed221d 292 .ucode_api_min = IWL105_UCODE_API_MIN, \
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293 .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
294 .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
90c300cb 295 .lib = &iwl2000_lib, \
c5a5e185 296 .base_params = &iwl2000_base_params, \
c5a5e185 297 .need_temp_offset_calib = true, \
c6f30347 298 .temp_offset_v2 = true, \
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299 .led_mode = IWL_LED_RF_STATE, \
300 .adv_pm = true, \
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301 .rx_with_siso_diversity = true, \
302 .iq_invert = true \
c5a5e185 303
b4ed221d 304struct iwl_cfg iwl105_bgn_cfg = {
6195d135 305 .name = "Intel(R) Centrino(R) Wireless-N 105 BGN",
b4ed221d 306 IWL_DEVICE_105,
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307 .ht_params = &iwl2000_ht_params,
308};
309
b319d3eb 310struct iwl_cfg iwl105_bgn_d_cfg = {
6195d135 311 .name = "Intel(R) Centrino(R) Wireless-N 105D BGN",
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312 IWL_DEVICE_105,
313 .ht_params = &iwl2000_ht_params,
314};
315
b4ed221d 316#define IWL_DEVICE_135 \
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317 .fw_name_pre = IWL135_FW_PRE, \
318 .ucode_api_max = IWL135_UCODE_API_MAX, \
ca9a4605 319 .ucode_api_ok = IWL135_UCODE_API_OK, \
54e9c409 320 .ucode_api_min = IWL135_UCODE_API_MIN, \
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321 .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
322 .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
90c300cb 323 .lib = &iwl2030_lib, \
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324 .base_params = &iwl2030_base_params, \
325 .bt_params = &iwl2030_bt_params, \
c5a5e185 326 .need_temp_offset_calib = true, \
c6f30347 327 .temp_offset_v2 = true, \
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328 .led_mode = IWL_LED_RF_STATE, \
329 .adv_pm = true, \
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330 .rx_with_siso_diversity = true, \
331 .iq_invert = true \
c5a5e185 332
b4ed221d 333struct iwl_cfg iwl135_bgn_cfg = {
6195d135 334 .name = "Intel(R) Centrino(R) Wireless-N 135 BGN",
b4ed221d 335 IWL_DEVICE_135,
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336 .ht_params = &iwl2000_ht_params,
337};
338
339MODULE_FIRMWARE(IWL2000_MODULE_FIRMWARE(IWL2000_UCODE_API_MAX));
340MODULE_FIRMWARE(IWL2030_MODULE_FIRMWARE(IWL2030_UCODE_API_MAX));
b4ed221d 341MODULE_FIRMWARE(IWL105_MODULE_FIRMWARE(IWL105_UCODE_API_MAX));
54e9c409 342MODULE_FIRMWARE(IWL135_MODULE_FIRMWARE(IWL135_UCODE_API_MAX));
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