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
77static 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 */
85static 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
94static 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
118static 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
136static 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
154static 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
172static 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
191static 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
209static 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
214static 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
240const 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
246const 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
270const 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
294const 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
300const 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
325const 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
331MODULE_FIRMWARE(IWL2000_MODULE_FIRMWARE(IWL2000_UCODE_API_OK));
332MODULE_FIRMWARE(IWL2030_MODULE_FIRMWARE(IWL2030_UCODE_API_OK));
333MODULE_FIRMWARE(IWL105_MODULE_FIRMWARE(IWL105_UCODE_API_OK));
334MODULE_FIRMWARE(IWL135_MODULE_FIRMWARE(IWL135_UCODE_API_OK));
335