Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
[linux-2.6.git] / drivers / net / wireless / iwlwifi / iwl-2000.c
1 /******************************************************************************
2  *
3  * Copyright(c) 2008 - 2011 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 <linux/wireless.h>
34 #include <net/mac80211.h>
35 #include <linux/etherdevice.h>
36 #include <asm/unaligned.h>
37 #include <linux/stringify.h>
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"
48
49 /* Highest firmware API version supported */
50 #define IWL2030_UCODE_API_MAX 5
51 #define IWL2000_UCODE_API_MAX 5
52 #define IWL105_UCODE_API_MAX 5
53 #define IWL135_UCODE_API_MAX 5
54
55 /* Lowest firmware API version supported */
56 #define IWL2030_UCODE_API_MIN 5
57 #define IWL2000_UCODE_API_MIN 5
58 #define IWL105_UCODE_API_MIN 5
59 #define IWL135_UCODE_API_MIN 5
60
61 #define IWL2030_FW_PRE "iwlwifi-2030-"
62 #define IWL2030_MODULE_FIRMWARE(api) IWL2030_FW_PRE __stringify(api) ".ucode"
63
64 #define IWL2000_FW_PRE "iwlwifi-2000-"
65 #define IWL2000_MODULE_FIRMWARE(api) IWL2000_FW_PRE __stringify(api) ".ucode"
66
67 #define IWL105_FW_PRE "iwlwifi-105-"
68 #define IWL105_MODULE_FIRMWARE(api) IWL105_FW_PRE __stringify(api) ".ucode"
69
70 #define IWL135_FW_PRE "iwlwifi-135-"
71 #define IWL135_MODULE_FIRMWARE(api) IWL135_FW_PRE #api ".ucode"
72
73 static 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 */
81 static void iwl2000_nic_config(struct iwl_priv *priv)
82 {
83         iwl_rf_config(priv);
84
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
89         if (priv->cfg->disable_otp_refresh)
90                 iwl_write_prph(priv, APMG_ANALOG_SVR_REG, 0x80000010);
91 }
92
93 static 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
118 static int iwl2000_hw_set_hw_params(struct iwl_priv *priv)
119 {
120         if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
121             iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
122                 priv->cfg->base_params->num_of_queues =
123                         iwlagn_mod_params.num_of_queues;
124
125         priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues;
126         priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
127         priv->hw_params.scd_bc_tbls_size =
128                 priv->cfg->base_params->num_of_queues *
129                 sizeof(struct iwlagn_scd_bc_tbl);
130         priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
131         priv->hw_params.max_stations = IWLAGN_STATION_COUNT;
132         priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
133
134         priv->hw_params.max_data_size = IWL60_RTC_DATA_SIZE;
135         priv->hw_params.max_inst_size = IWL60_RTC_INST_SIZE;
136
137         priv->hw_params.ht40_channel =  BIT(IEEE80211_BAND_2GHZ) |
138                                         BIT(IEEE80211_BAND_5GHZ);
139
140         priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
141         if (priv->cfg->rx_with_siso_diversity)
142                 priv->hw_params.rx_chains_num = 1;
143         else
144                 priv->hw_params.rx_chains_num =
145                         num_of_ant(priv->cfg->valid_rx_ant);
146         priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
147         priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
148
149         iwl2000_set_ct_threshold(priv);
150
151         /* Set initial sensitivity parameters */
152         /* Set initial calibration set */
153         priv->hw_params.sens = &iwl2000_sensitivity;
154         priv->hw_params.calib_init_cfg =
155                 BIT(IWL_CALIB_XTAL)             |
156                 BIT(IWL_CALIB_LO)               |
157                 BIT(IWL_CALIB_TX_IQ)            |
158                 BIT(IWL_CALIB_BASE_BAND);
159         if (priv->cfg->need_dc_calib)
160                 priv->hw_params.calib_rt_cfg |= BIT(IWL_CALIB_CFG_DC_IDX);
161         if (priv->cfg->need_temp_offset_calib)
162                 priv->hw_params.calib_init_cfg |= BIT(IWL_CALIB_TEMP_OFFSET);
163
164         priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
165
166         return 0;
167 }
168
169 static struct iwl_lib_ops iwl2000_lib = {
170         .set_hw_params = iwl2000_hw_set_hw_params,
171         .rx_handler_setup = iwlagn_rx_handler_setup,
172         .setup_deferred_work = iwlagn_bt_setup_deferred_work,
173         .cancel_deferred_work = iwlagn_bt_cancel_deferred_work,
174         .is_valid_rtc_data_addr = iwlagn_hw_valid_rtc_data_addr,
175         .update_chain_flags = iwl_update_chain_flags,
176         .apm_ops = {
177                 .init = iwl_apm_init,
178                 .config = iwl2000_nic_config,
179         },
180         .eeprom_ops = {
181                 .regulatory_bands = {
182                         EEPROM_REG_BAND_1_CHANNELS,
183                         EEPROM_REG_BAND_2_CHANNELS,
184                         EEPROM_REG_BAND_3_CHANNELS,
185                         EEPROM_REG_BAND_4_CHANNELS,
186                         EEPROM_REG_BAND_5_CHANNELS,
187                         EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
188                         EEPROM_REGULATORY_BAND_NO_HT40,
189                 },
190                 .query_addr = iwlagn_eeprom_query_addr,
191                 .update_enhanced_txpower = iwlcore_eeprom_enhanced_txpower,
192         },
193         .temp_ops = {
194                 .temperature = iwlagn_temperature,
195         },
196 };
197
198 static const struct iwl_ops iwl2000_ops = {
199         .lib = &iwl2000_lib,
200         .utils = &iwlagn_hcmd_utils,
201 };
202
203 static const struct iwl_ops iwl2030_ops = {
204         .lib = &iwl2000_lib,
205         .utils = &iwlagn_hcmd_utils,
206 };
207
208 static const struct iwl_ops iwl105_ops = {
209         .lib = &iwl2000_lib,
210         .utils = &iwlagn_hcmd_utils,
211 };
212
213 static const struct iwl_ops iwl135_ops = {
214         .lib = &iwl2000_lib,
215         .utils = &iwlagn_hcmd_utils,
216 };
217
218 static struct iwl_base_params iwl2000_base_params = {
219         .eeprom_size = OTP_LOW_IMAGE_SIZE,
220         .num_of_queues = IWLAGN_NUM_QUEUES,
221         .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
222         .pll_cfg_val = 0,
223         .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
224         .shadow_ram_support = true,
225         .led_compensation = 51,
226         .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
227         .adv_thermal_throttle = true,
228         .support_ct_kill_exit = true,
229         .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
230         .chain_noise_scale = 1000,
231         .wd_timeout = IWL_DEF_WD_TIMEOUT,
232         .max_event_log_size = 512,
233         .shadow_reg_enable = true,
234 };
235
236
237 static struct iwl_base_params iwl2030_base_params = {
238         .eeprom_size = OTP_LOW_IMAGE_SIZE,
239         .num_of_queues = IWLAGN_NUM_QUEUES,
240         .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
241         .pll_cfg_val = 0,
242         .max_ll_items = OTP_MAX_LL_ITEMS_2x00,
243         .shadow_ram_support = true,
244         .led_compensation = 57,
245         .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
246         .adv_thermal_throttle = true,
247         .support_ct_kill_exit = true,
248         .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
249         .chain_noise_scale = 1000,
250         .wd_timeout = IWL_LONG_WD_TIMEOUT,
251         .max_event_log_size = 512,
252         .shadow_reg_enable = true,
253 };
254
255 static struct iwl_ht_params iwl2000_ht_params = {
256         .ht_greenfield_support = true,
257         .use_rts_for_aggregation = true, /* use rts/cts protection */
258 };
259
260 static struct iwl_bt_params iwl2030_bt_params = {
261         /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
262         .advanced_bt_coexist = true,
263         .agg_time_limit = BT_AGG_THRESHOLD_DEF,
264         .bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
265         .bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
266         .bt_sco_disable = true,
267         .bt_session_2 = true,
268 };
269
270 #define IWL_DEVICE_2000                                         \
271         .fw_name_pre = IWL2000_FW_PRE,                          \
272         .ucode_api_max = IWL2000_UCODE_API_MAX,                 \
273         .ucode_api_min = IWL2000_UCODE_API_MIN,                 \
274         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
275         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
276         .ops = &iwl2000_ops,                                    \
277         .base_params = &iwl2000_base_params,                    \
278         .need_dc_calib = true,                                  \
279         .need_temp_offset_calib = true,                         \
280         .led_mode = IWL_LED_RF_STATE,                           \
281         .iq_invert = true,                                      \
282         .disable_otp_refresh = true                             \
283
284 struct iwl_cfg iwl2000_2bgn_cfg = {
285         .name = "2000 Series 2x2 BGN",
286         IWL_DEVICE_2000,
287         .ht_params = &iwl2000_ht_params,
288 };
289
290 struct iwl_cfg iwl2000_2bg_cfg = {
291         .name = "2000 Series 2x2 BG",
292         IWL_DEVICE_2000,
293 };
294
295 #define IWL_DEVICE_2030                                         \
296         .fw_name_pre = IWL2030_FW_PRE,                          \
297         .ucode_api_max = IWL2030_UCODE_API_MAX,                 \
298         .ucode_api_min = IWL2030_UCODE_API_MIN,                 \
299         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
300         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
301         .ops = &iwl2030_ops,                                    \
302         .base_params = &iwl2030_base_params,                    \
303         .bt_params = &iwl2030_bt_params,                        \
304         .need_dc_calib = true,                                  \
305         .need_temp_offset_calib = true,                         \
306         .led_mode = IWL_LED_RF_STATE,                           \
307         .adv_pm = true,                                         \
308         .iq_invert = true                                       \
309
310 struct iwl_cfg iwl2030_2bgn_cfg = {
311         .name = "2000 Series 2x2 BGN/BT",
312         IWL_DEVICE_2030,
313         .ht_params = &iwl2000_ht_params,
314 };
315
316 struct iwl_cfg iwl2030_2bg_cfg = {
317         .name = "2000 Series 2x2 BG/BT",
318         IWL_DEVICE_2030,
319 };
320
321 #define IWL_DEVICE_105                                          \
322         .fw_name_pre = IWL105_FW_PRE,                           \
323         .ucode_api_max = IWL105_UCODE_API_MAX,                  \
324         .ucode_api_min = IWL105_UCODE_API_MIN,                  \
325         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
326         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
327         .ops = &iwl105_ops,                                     \
328         .base_params = &iwl2000_base_params,                    \
329         .need_dc_calib = true,                                  \
330         .need_temp_offset_calib = true,                         \
331         .led_mode = IWL_LED_RF_STATE,                           \
332         .adv_pm = true,                                         \
333         .rx_with_siso_diversity = true                          \
334
335 struct iwl_cfg iwl105_bg_cfg = {
336         .name = "105 Series 1x1 BG",
337         IWL_DEVICE_105,
338 };
339
340 struct iwl_cfg iwl105_bgn_cfg = {
341         .name = "105 Series 1x1 BGN",
342         IWL_DEVICE_105,
343         .ht_params = &iwl2000_ht_params,
344 };
345
346 #define IWL_DEVICE_135                                          \
347         .fw_name_pre = IWL135_FW_PRE,                           \
348         .ucode_api_max = IWL135_UCODE_API_MAX,                  \
349         .ucode_api_min = IWL135_UCODE_API_MIN,                  \
350         .eeprom_ver = EEPROM_2000_EEPROM_VERSION,               \
351         .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,       \
352         .ops = &iwl135_ops,                                     \
353         .base_params = &iwl2030_base_params,                    \
354         .bt_params = &iwl2030_bt_params,                        \
355         .need_dc_calib = true,                                  \
356         .need_temp_offset_calib = true,                         \
357         .led_mode = IWL_LED_RF_STATE,                           \
358         .adv_pm = true,                                         \
359         .rx_with_siso_diversity = true                          \
360
361 struct iwl_cfg iwl135_bg_cfg = {
362         .name = "135 Series 1x1 BG/BT",
363         IWL_DEVICE_135,
364 };
365
366 struct iwl_cfg iwl135_bgn_cfg = {
367         .name = "135 Series 1x1 BGN/BT",
368         IWL_DEVICE_135,
369         .ht_params = &iwl2000_ht_params,
370 };
371
372 MODULE_FIRMWARE(IWL2000_MODULE_FIRMWARE(IWL2000_UCODE_API_MAX));
373 MODULE_FIRMWARE(IWL2030_MODULE_FIRMWARE(IWL2030_UCODE_API_MAX));
374 MODULE_FIRMWARE(IWL105_MODULE_FIRMWARE(IWL105_UCODE_API_MAX));
375 MODULE_FIRMWARE(IWL135_MODULE_FIRMWARE(IWL135_UCODE_API_MAX));