summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/iwlwifi/iwl-2000.c
blob: 00db092d8cd0964c99dd5b2a5b67b7cac070ba4e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
/******************************************************************************
 *
 * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
 *
 * The full GNU General Public License is included in this distribution in the
 * file called LICENSE.
 *
 * Contact Information:
 *  Intel Linux Wireless <ilw@linux.intel.com>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 *****************************************************************************/

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <net/mac80211.h>
#include <linux/etherdevice.h>
#include <asm/unaligned.h>
#include <linux/stringify.h>

#include "iwl-eeprom.h"
#include "iwl-dev.h"
#include "iwl-core.h"
#include "iwl-io.h"
#include "iwl-agn.h"
#include "iwl-agn-hw.h"
#include "iwl-shared.h"
#include "iwl-cfg.h"

/* Highest firmware API version supported */
#define IWL2030_UCODE_API_MAX 6
#define IWL2000_UCODE_API_MAX 6
#define IWL105_UCODE_API_MAX 6
#define IWL135_UCODE_API_MAX 6

/* Oldest version we won't warn about */
#define IWL2030_UCODE_API_OK 5
#define IWL2000_UCODE_API_OK 5
#define IWL105_UCODE_API_OK 5
#define IWL135_UCODE_API_OK 5

/* Lowest firmware API version supported */
#define IWL2030_UCODE_API_MIN 5
#define IWL2000_UCODE_API_MIN 5
#define IWL105_UCODE_API_MIN 5
#define IWL135_UCODE_API_MIN 5

#define IWL2030_FW_PRE "iwlwifi-2030-"
#define IWL2030_MODULE_FIRMWARE(api) IWL2030_FW_PRE __stringify(api) ".ucode"

#define IWL2000_FW_PRE "iwlwifi-2000-"
#define IWL2000_MODULE_FIRMWARE(api) IWL2000_FW_PRE __stringify(api) ".ucode"

#define IWL105_FW_PRE "iwlwifi-105-"
#define IWL105_MODULE_FIRMWARE(api) IWL105_FW_PRE __stringify(api) ".ucode"

#define IWL135_FW_PRE "iwlwifi-135-"
#define IWL135_MODULE_FIRMWARE(api) IWL135_FW_PRE __stringify(api) ".ucode"

static void iwl2000_set_ct_threshold(struct iwl_priv *priv)
{
	/* want Celsius */
	hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD;
	hw_params(priv).ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
}

/* NIC configuration for 2000 series */
static void iwl2000_nic_config(struct iwl_priv *priv)
{
	iwl_rf_config(priv);

	if (cfg(priv)->iq_invert)
		iwl_set_bit(bus(priv), CSR_GP_DRIVER_REG,
			    CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER);
}

static struct iwl_sensitivity_ranges iwl2000_sensitivity = {
	.min_nrg_cck = 97,
	.max_nrg_cck = 0, /* not used, set to 0 */
	.auto_corr_min_ofdm = 80,
	.auto_corr_min_ofdm_mrc = 128,
	.auto_corr_min_ofdm_x1 = 105,
	.auto_corr_min_ofdm_mrc_x1 = 192,

	.auto_corr_max_ofdm = 145,
	.auto_corr_max_ofdm_mrc = 232,
	.auto_corr_max_ofdm_x1 = 110,
	.auto_corr_max_ofdm_mrc_x1 = 232,

	.auto_corr_min_cck = 125,
	.auto_corr_max_cck = 175,
	.auto_corr_min_cck_mrc = 160,
	.auto_corr_max_cck_mrc = 310,
	.nrg_th_cck = 97,
	.nrg_th_ofdm = 100,

	.barker_corr_th_min = 190,
	.barker_corr_th_min_mrc = 390,
	.nrg_th_cca = 62,
};

static int iwl2000_hw_set_hw_params(struct iwl_priv *priv)
{
	if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
	    iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
		cfg(priv)->base_params->num_of_queues =
			iwlagn_mod_params.num_of_queues;

	hw_params(priv).max_txq_num = cfg(priv)->base_params->num_of_queues;
	priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;

	hw_params(priv).max_data_size = IWL60_RTC_DATA_SIZE;
	hw_params(priv).max_inst_size = IWL60_RTC_INST_SIZE;

	hw_params(priv).ht40_channel =  BIT(IEEE80211_BAND_2GHZ);

	hw_params(priv).tx_chains_num = num_of_ant(cfg(priv)->valid_tx_ant);
	if (cfg(priv)->rx_with_siso_diversity)
		hw_params(priv).rx_chains_num = 1;
	else
		hw_params(priv).rx_chains_num =
			num_of_ant(cfg(priv)->valid_rx_ant);
	hw_params(priv).valid_tx_ant = cfg(priv)->valid_tx_ant;
	hw_params(priv).valid_rx_ant = cfg(priv)->valid_rx_ant;

	iwl2000_set_ct_threshold(priv);

	/* Set initial sensitivity parameters */
	hw_params(priv).sens = &iwl2000_sensitivity;

	return 0;
}

static struct iwl_lib_ops iwl2000_lib = {
	.set_hw_params = iwl2000_hw_set_hw_params,
	.nic_config = iwl2000_nic_config,
	.eeprom_ops = {
		.regulatory_bands = {
			EEPROM_REG_BAND_1_CHANNELS,
			EEPROM_REG_BAND_2_CHANNELS,
			EEPROM_REG_BAND_3_CHANNELS,
			EEPROM_REG_BAND_4_CHANNELS,
			EEPROM_REG_BAND_5_CHANNELS,
			EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
			EEPROM_REGULATORY_BAND_NO_HT40,
		},
		.update_enhanced_txpower = iwl_eeprom_enhanced_txpower,
	},
	.temperature = iwlagn_temperature,
};

static struct iwl_lib_ops iwl2030_lib = {
	.set_hw_params = iwl2000_hw_set_hw_params,
	.bt_rx_handler_setup = iwlagn_bt_rx_handler_setup,
	.bt_setup_deferred_work = iwlagn_bt_setup_deferred_work,
	.cancel_deferred_work = iwlagn_bt_cancel_deferred_work,
	.nic_config = iwl2000_nic_config,
	.eeprom_ops = {
		.regulatory_bands = {
			EEPROM_REG_BAND_1_CHANNELS,
			EEPROM_REG_BAND_2_CHANNELS,
			EEPROM_REG_BAND_3_CHANNELS,
			EEPROM_REG_BAND_4_CHANNELS,
			EEPROM_REG_BAND_5_CHANNELS,
			EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
			EEPROM_REGULATORY_BAND_NO_HT40,
		},
		.update_enhanced_txpower = iwl_eeprom_enhanced_txpower,
	},
	.temperature = iwlagn_temperature,
};

static struct iwl_base_params iwl2000_base_params = {
	.eeprom_size = OTP_LOW_IMAGE_SIZE,
	.num_of_queues = IWLAGN_NUM_QUEUES,
	.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
	.pll_cfg_val = 0,
	.max_ll_items = OTP_MAX_LL_ITEMS_2x00,
	.shadow_ram_support = true,
	.led_compensation = 51,
	.adv_thermal_throttle = true,
	.support_ct_kill_exit = true,
	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
	.chain_noise_scale = 1000,
	.wd_timeout = IWL_DEF_WD_TIMEOUT,
	.max_event_log_size = 512,
	.shadow_reg_enable = true,
	.hd_v2 = true,
};


static struct iwl_base_params iwl2030_base_params = {
	.eeprom_size = OTP_LOW_IMAGE_SIZE,
	.num_of_queues = IWLAGN_NUM_QUEUES,
	.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
	.pll_cfg_val = 0,
	.max_ll_items = OTP_MAX_LL_ITEMS_2x00,
	.shadow_ram_support = true,
	.led_compensation = 57,
	.adv_thermal_throttle = true,
	.support_ct_kill_exit = true,
	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
	.chain_noise_scale = 1000,
	.wd_timeout = IWL_LONG_WD_TIMEOUT,
	.max_event_log_size = 512,
	.shadow_reg_enable = true,
	.hd_v2 = true,
};

static struct iwl_ht_params iwl2000_ht_params = {
	.ht_greenfield_support = true,
	.use_rts_for_aggregation = true, /* use rts/cts protection */
};

static struct iwl_bt_params iwl2030_bt_params = {
	/* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
	.advanced_bt_coexist = true,
	.agg_time_limit = BT_AGG_THRESHOLD_DEF,
	.bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
	.bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
	.bt_sco_disable = true,
	.bt_session_2 = true,
};

#define IWL_DEVICE_2000						\
	.fw_name_pre = IWL2000_FW_PRE,				\
	.ucode_api_max = IWL2000_UCODE_API_MAX,			\
	.ucode_api_ok = IWL2000_UCODE_API_OK,			\
	.ucode_api_min = IWL2000_UCODE_API_MIN,			\
	.eeprom_ver = EEPROM_2000_EEPROM_VERSION,		\
	.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
	.lib = &iwl2000_lib,					\
	.base_params = &iwl2000_base_params,			\
	.need_temp_offset_calib = true,				\
	.temp_offset_v2 = true,					\
	.led_mode = IWL_LED_RF_STATE,				\
	.iq_invert = true					\

struct iwl_cfg iwl2000_2bgn_cfg = {
	.name = "Intel(R) Centrino(R) Wireless-N 2200 BGN",
	IWL_DEVICE_2000,
	.ht_params = &iwl2000_ht_params,
};

struct iwl_cfg iwl2000_2bgn_d_cfg = {
	.name = "Intel(R) Centrino(R) Wireless-N 2200D BGN",
	IWL_DEVICE_2000,
	.ht_params = &iwl2000_ht_params,
};

#define IWL_DEVICE_2030						\
	.fw_name_pre = IWL2030_FW_PRE,				\
	.ucode_api_max = IWL2030_UCODE_API_MAX,			\
	.ucode_api_ok = IWL2030_UCODE_API_OK,			\
	.ucode_api_min = IWL2030_UCODE_API_MIN,			\
	.eeprom_ver = EEPROM_2000_EEPROM_VERSION,		\
	.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
	.lib = &iwl2030_lib,					\
	.base_params = &iwl2030_base_params,			\
	.bt_params = &iwl2030_bt_params,			\
	.need_temp_offset_calib = true,				\
	.temp_offset_v2 = true,					\
	.led_mode = IWL_LED_RF_STATE,				\
	.adv_pm = true,						\
	.iq_invert = true					\

struct iwl_cfg iwl2030_2bgn_cfg = {
	.name = "Intel(R) Centrino(R) Wireless-N 2230 BGN",
	IWL_DEVICE_2030,
	.ht_params = &iwl2000_ht_params,
};

#define IWL_DEVICE_105						\
	.fw_name_pre = IWL105_FW_PRE,				\
	.ucode_api_max = IWL105_UCODE_API_MAX,			\
	.ucode_api_ok = IWL105_UCODE_API_OK,			\
	.ucode_api_min = IWL105_UCODE_API_MIN,			\
	.eeprom_ver = EEPROM_2000_EEPROM_VERSION,		\
	.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
	.lib = &iwl2000_lib,					\
	.base_params = &iwl2000_base_params,			\
	.need_temp_offset_calib = true,				\
	.temp_offset_v2 = true,					\
	.led_mode = IWL_LED_RF_STATE,				\
	.adv_pm = true,						\
	.rx_with_siso_diversity = true,				\
	.iq_invert = true					\

struct iwl_cfg iwl105_bgn_cfg = {
	.name = "Intel(R) Centrino(R) Wireless-N 105 BGN",
	IWL_DEVICE_105,
	.ht_params = &iwl2000_ht_params,
};

struct iwl_cfg iwl105_bgn_d_cfg = {
	.name = "Intel(R) Centrino(R) Wireless-N 105D BGN",
	IWL_DEVICE_105,
	.ht_params = &iwl2000_ht_params,
};

#define IWL_DEVICE_135						\
	.fw_name_pre = IWL135_FW_PRE,				\
	.ucode_api_max = IWL135_UCODE_API_MAX,			\
	.ucode_api_ok = IWL135_UCODE_API_OK,			\
	.ucode_api_min = IWL135_UCODE_API_MIN,			\
	.eeprom_ver = EEPROM_2000_EEPROM_VERSION,		\
	.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
	.lib = &iwl2030_lib,					\
	.base_params = &iwl2030_base_params,			\
	.bt_params = &iwl2030_bt_params,			\
	.need_temp_offset_calib = true,				\
	.temp_offset_v2 = true,					\
	.led_mode = IWL_LED_RF_STATE,				\
	.adv_pm = true,						\
	.rx_with_siso_diversity = true,				\
	.iq_invert = true					\

struct iwl_cfg iwl135_bgn_cfg = {
	.name = "Intel(R) Centrino(R) Wireless-N 135 BGN",
	IWL_DEVICE_135,
	.ht_params = &iwl2000_ht_params,
};

MODULE_FIRMWARE(IWL2000_MODULE_FIRMWARE(IWL2000_UCODE_API_MAX));
MODULE_FIRMWARE(IWL2030_MODULE_FIRMWARE(IWL2030_UCODE_API_MAX));
MODULE_FIRMWARE(IWL105_MODULE_FIRMWARE(IWL105_UCODE_API_MAX));
MODULE_FIRMWARE(IWL135_MODULE_FIRMWARE(IWL135_UCODE_API_MAX));