1 /******************************************************************************
2 *
3 * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved.
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>
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>
37
38 #include "iwl-eeprom.h"
39 #include "iwl-dev.h"
40 #include "iwl-core.h"
41 #include "iwl-io.h"
42 #include "iwl-agn.h"
43 #include "iwl-agn-hw.h"
44 #include "iwl-shared.h"
45 #include "iwl-cfg.h"
46
47 /* Highest firmware API version supported */
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 6
55 #define IWL2000_UCODE_API_OK 6
56 #define IWL105_UCODE_API_OK 6
57 #define IWL135_UCODE_API_OK 6
58
59 /* Lowest firmware API version supported */
60 #define IWL2030_UCODE_API_MIN 5
61 #define IWL2000_UCODE_API_MIN 5
62 #define IWL105_UCODE_API_MIN 5
63 #define IWL135_UCODE_API_MIN 5
64
65 #define IWL2030_FW_PRE "iwlwifi-2030-"
66 #define IWL2030_MODULE_FIRMWARE(api) IWL2030_FW_PRE __stringify(api) ".ucode"
67
68 #define IWL2000_FW_PRE "iwlwifi-2000-"
69 #define IWL2000_MODULE_FIRMWARE(api) IWL2000_FW_PRE __stringify(api) ".ucode"
70
71 #define IWL105_FW_PRE "iwlwifi-105-"
72 #define IWL105_MODULE_FIRMWARE(api) IWL105_FW_PRE __stringify(api) ".ucode"
73
74 #define IWL135_FW_PRE "iwlwifi-135-"
75 #define IWL135_MODULE_FIRMWARE(api) IWL135_FW_PRE __stringify(api) ".ucode"
76
iwl2000_set_ct_threshold(struct iwl_priv * priv)77 static void iwl2000_set_ct_threshold(struct iwl_priv *priv)
78 {
79 /* want Celsius */
80 hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD;
81 hw_params(priv).ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
82 }
83
84 /* NIC configuration for 2000 series */
iwl2000_nic_config(struct iwl_priv * priv)85 static void iwl2000_nic_config(struct iwl_priv *priv)
86 {
87 iwl_rf_config(priv);
88
89 if (cfg(priv)->iq_invert)
90 iwl_set_bit(trans(priv), CSR_GP_DRIVER_REG,
91 CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER);
92 }
93
94 static const struct iwl_sensitivity_ranges iwl2000_sensitivity = {
95 .min_nrg_cck = 97,
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
iwl2000_hw_set_hw_params(struct iwl_priv * priv)118 static void iwl2000_hw_set_hw_params(struct iwl_priv *priv)
119 {
120 hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ);
121
122 hw_params(priv).tx_chains_num =
123 num_of_ant(hw_params(priv).valid_tx_ant);
124 if (cfg(priv)->rx_with_siso_diversity)
125 hw_params(priv).rx_chains_num = 1;
126 else
127 hw_params(priv).rx_chains_num =
128 num_of_ant(hw_params(priv).valid_rx_ant);
129
130 iwl2000_set_ct_threshold(priv);
131
132 /* Set initial sensitivity parameters */
133 hw_params(priv).sens = &iwl2000_sensitivity;
134 }
135
136 static struct iwl_lib_ops iwl2000_lib = {
137 .set_hw_params = iwl2000_hw_set_hw_params,
138 .nic_config = iwl2000_nic_config,
139 .eeprom_ops = {
140 .regulatory_bands = {
141 EEPROM_REG_BAND_1_CHANNELS,
142 EEPROM_REG_BAND_2_CHANNELS,
143 EEPROM_REG_BAND_3_CHANNELS,
144 EEPROM_REG_BAND_4_CHANNELS,
145 EEPROM_REG_BAND_5_CHANNELS,
146 EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
147 EEPROM_REGULATORY_BAND_NO_HT40,
148 },
149 .enhanced_txpower = true,
150 },
151 .temperature = iwlagn_temperature,
152 };
153
154 static struct iwl_lib_ops iwl2030_lib = {
155 .set_hw_params = iwl2000_hw_set_hw_params,
156 .nic_config = iwl2000_nic_config,
157 .eeprom_ops = {
158 .regulatory_bands = {
159 EEPROM_REG_BAND_1_CHANNELS,
160 EEPROM_REG_BAND_2_CHANNELS,
161 EEPROM_REG_BAND_3_CHANNELS,
162 EEPROM_REG_BAND_4_CHANNELS,
163 EEPROM_REG_BAND_5_CHANNELS,
164 EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
165 EEPROM_REGULATORY_BAND_NO_HT40,
166 },
167 .enhanced_txpower = true,
168 },
169 .temperature = iwlagn_temperature,
170 };
171
172 static const struct iwl_base_params iwl2000_base_params = {
173 .eeprom_size = OTP_LOW_IMAGE_SIZE,
174 .num_of_queues = IWLAGN_NUM_QUEUES,
175 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
176 .pll_cfg_val = 0,
177 .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
178 .shadow_ram_support = true,
179 .led_compensation = 51,
180 .adv_thermal_throttle = true,
181 .support_ct_kill_exit = true,
182 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
183 .chain_noise_scale = 1000,
184 .wd_timeout = IWL_DEF_WD_TIMEOUT,
185 .max_event_log_size = 512,
186 .shadow_reg_enable = false, /* TODO: fix bugs using this feature */
187 .hd_v2 = true,
188 };
189
190
191 static const struct iwl_base_params iwl2030_base_params = {
192 .eeprom_size = OTP_LOW_IMAGE_SIZE,
193 .num_of_queues = IWLAGN_NUM_QUEUES,
194 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
195 .pll_cfg_val = 0,
196 .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
197 .shadow_ram_support = true,
198 .led_compensation = 57,
199 .adv_thermal_throttle = true,
200 .support_ct_kill_exit = true,
201 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
202 .chain_noise_scale = 1000,
203 .wd_timeout = IWL_LONG_WD_TIMEOUT,
204 .max_event_log_size = 512,
205 .shadow_reg_enable = false, /* TODO: fix bugs using this feature */
206 .hd_v2 = true,
207 };
208
209 static const struct iwl_ht_params iwl2000_ht_params = {
210 .ht_greenfield_support = true,
211 .use_rts_for_aggregation = true, /* use rts/cts protection */
212 };
213
214 static const struct iwl_bt_params iwl2030_bt_params = {
215 /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
216 .advanced_bt_coexist = true,
217 .agg_time_limit = BT_AGG_THRESHOLD_DEF,
218 .bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
219 .bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
220 .bt_sco_disable = true,
221 .bt_session_2 = true,
222 };
223
224 #define IWL_DEVICE_2000 \
225 .fw_name_pre = IWL2000_FW_PRE, \
226 .ucode_api_max = IWL2000_UCODE_API_MAX, \
227 .ucode_api_ok = IWL2000_UCODE_API_OK, \
228 .ucode_api_min = IWL2000_UCODE_API_MIN, \
229 .max_inst_size = IWL60_RTC_INST_SIZE, \
230 .max_data_size = IWL60_RTC_DATA_SIZE, \
231 .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
232 .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
233 .lib = &iwl2000_lib, \
234 .base_params = &iwl2000_base_params, \
235 .need_temp_offset_calib = true, \
236 .temp_offset_v2 = true, \
237 .led_mode = IWL_LED_RF_STATE, \
238 .iq_invert = true \
239
240 const struct iwl_cfg iwl2000_2bgn_cfg = {
241 .name = "Intel(R) Centrino(R) Wireless-N 2200 BGN",
242 IWL_DEVICE_2000,
243 .ht_params = &iwl2000_ht_params,
244 };
245
246 const struct iwl_cfg iwl2000_2bgn_d_cfg = {
247 .name = "Intel(R) Centrino(R) Wireless-N 2200D BGN",
248 IWL_DEVICE_2000,
249 .ht_params = &iwl2000_ht_params,
250 };
251
252 #define IWL_DEVICE_2030 \
253 .fw_name_pre = IWL2030_FW_PRE, \
254 .ucode_api_max = IWL2030_UCODE_API_MAX, \
255 .ucode_api_ok = IWL2030_UCODE_API_OK, \
256 .ucode_api_min = IWL2030_UCODE_API_MIN, \
257 .max_inst_size = IWL60_RTC_INST_SIZE, \
258 .max_data_size = IWL60_RTC_DATA_SIZE, \
259 .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
260 .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
261 .lib = &iwl2030_lib, \
262 .base_params = &iwl2030_base_params, \
263 .bt_params = &iwl2030_bt_params, \
264 .need_temp_offset_calib = true, \
265 .temp_offset_v2 = true, \
266 .led_mode = IWL_LED_RF_STATE, \
267 .adv_pm = true, \
268 .iq_invert = true \
269
270 const struct iwl_cfg iwl2030_2bgn_cfg = {
271 .name = "Intel(R) Centrino(R) Wireless-N 2230 BGN",
272 IWL_DEVICE_2030,
273 .ht_params = &iwl2000_ht_params,
274 };
275
276 #define IWL_DEVICE_105 \
277 .fw_name_pre = IWL105_FW_PRE, \
278 .ucode_api_max = IWL105_UCODE_API_MAX, \
279 .ucode_api_ok = IWL105_UCODE_API_OK, \
280 .ucode_api_min = IWL105_UCODE_API_MIN, \
281 .max_inst_size = IWL60_RTC_INST_SIZE, \
282 .max_data_size = IWL60_RTC_DATA_SIZE, \
283 .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
284 .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
285 .lib = &iwl2000_lib, \
286 .base_params = &iwl2000_base_params, \
287 .need_temp_offset_calib = true, \
288 .temp_offset_v2 = true, \
289 .led_mode = IWL_LED_RF_STATE, \
290 .adv_pm = true, \
291 .rx_with_siso_diversity = true, \
292 .iq_invert = true \
293
294 const struct iwl_cfg iwl105_bgn_cfg = {
295 .name = "Intel(R) Centrino(R) Wireless-N 105 BGN",
296 IWL_DEVICE_105,
297 .ht_params = &iwl2000_ht_params,
298 };
299
300 const struct iwl_cfg iwl105_bgn_d_cfg = {
301 .name = "Intel(R) Centrino(R) Wireless-N 105D BGN",
302 IWL_DEVICE_105,
303 .ht_params = &iwl2000_ht_params,
304 };
305
306 #define IWL_DEVICE_135 \
307 .fw_name_pre = IWL135_FW_PRE, \
308 .ucode_api_max = IWL135_UCODE_API_MAX, \
309 .ucode_api_ok = IWL135_UCODE_API_OK, \
310 .ucode_api_min = IWL135_UCODE_API_MIN, \
311 .max_inst_size = IWL60_RTC_INST_SIZE, \
312 .max_data_size = IWL60_RTC_DATA_SIZE, \
313 .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \
314 .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \
315 .lib = &iwl2030_lib, \
316 .base_params = &iwl2030_base_params, \
317 .bt_params = &iwl2030_bt_params, \
318 .need_temp_offset_calib = true, \
319 .temp_offset_v2 = true, \
320 .led_mode = IWL_LED_RF_STATE, \
321 .adv_pm = true, \
322 .rx_with_siso_diversity = true, \
323 .iq_invert = true \
324
325 const struct iwl_cfg iwl135_bgn_cfg = {
326 .name = "Intel(R) Centrino(R) Wireless-N 135 BGN",
327 IWL_DEVICE_135,
328 .ht_params = &iwl2000_ht_params,
329 };
330
331 MODULE_FIRMWARE(IWL2000_MODULE_FIRMWARE(IWL2000_UCODE_API_OK));
332 MODULE_FIRMWARE(IWL2030_MODULE_FIRMWARE(IWL2030_UCODE_API_OK));
333 MODULE_FIRMWARE(IWL105_MODULE_FIRMWARE(IWL105_UCODE_API_OK));
334 MODULE_FIRMWARE(IWL135_MODULE_FIRMWARE(IWL135_UCODE_API_OK));
335