blob: 3368b8dea199c737f5acbaa503ae452fea1a0d45 [file] [log] [blame]
Jay Sternbergc5d05692009-01-19 15:30:35 -08001/******************************************************************************
2 *
Wey-Yi Guy901069c2011-04-05 09:42:00 -07003 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
Jay Sternbergc5d05692009-01-19 15:30:35 -08004 *
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>
Jay Sternbergc5d05692009-01-19 15:30:35 -080030#include <linux/delay.h>
31#include <linux/skbuff.h>
32#include <linux/netdevice.h>
Jay Sternbergc5d05692009-01-19 15:30:35 -080033#include <net/mac80211.h>
34#include <linux/etherdevice.h>
35#include <asm/unaligned.h>
Evgeni Golov8fcbd4dc2011-06-12 05:34:31 -070036#include <linux/stringify.h>
Jay Sternbergc5d05692009-01-19 15:30:35 -080037
38#include "iwl-eeprom.h"
39#include "iwl-dev.h"
40#include "iwl-core.h"
41#include "iwl-io.h"
42#include "iwl-sta.h"
Johannes Berga1175122010-01-21 06:21:10 -080043#include "iwl-agn.h"
Jay Sternbergc5d05692009-01-19 15:30:35 -080044#include "iwl-helpers.h"
Wey-Yi Guy19e6cda2010-03-16 17:41:23 -070045#include "iwl-agn-hw.h"
Emmanuel Grumbach48f20d32011-08-25 23:10:36 -070046#include "iwl-shared.h"
Jay Sternbergc5d05692009-01-19 15:30:35 -080047
48/* Highest firmware API version supported */
Johannes Bergca9a4602011-07-23 10:24:45 -070049#define IWL1000_UCODE_API_MAX 6
50#define IWL100_UCODE_API_MAX 6
51
52/* Oldest version we won't warn about */
53#define IWL1000_UCODE_API_OK 5
54#define IWL100_UCODE_API_OK 5
Jay Sternbergc5d05692009-01-19 15:30:35 -080055
56/* Lowest firmware API version supported */
Jay Sternberg77dcb6a2009-03-06 13:52:55 -080057#define IWL1000_UCODE_API_MIN 1
Jay Sternberg1de19ec2010-09-14 15:21:20 -070058#define IWL100_UCODE_API_MIN 5
Jay Sternbergc5d05692009-01-19 15:30:35 -080059
Jay Sternberg77dcb6a2009-03-06 13:52:55 -080060#define IWL1000_FW_PRE "iwlwifi-1000-"
Evgeni Golov8fcbd4dc2011-06-12 05:34:31 -070061#define IWL1000_MODULE_FIRMWARE(api) IWL1000_FW_PRE __stringify(api) ".ucode"
Jay Sternbergc5d05692009-01-19 15:30:35 -080062
Jay Sternberg1de19ec2010-09-14 15:21:20 -070063#define IWL100_FW_PRE "iwlwifi-100-"
Evgeni Golov8fcbd4dc2011-06-12 05:34:31 -070064#define IWL100_MODULE_FIRMWARE(api) IWL100_FW_PRE __stringify(api) ".ucode"
Jay Sternberg1de19ec2010-09-14 15:21:20 -070065
Wey-Yi Guy672639d2009-07-24 11:13:01 -070066
67/*
68 * For 1000, use advance thermal throttling critical temperature threshold,
69 * but legacy thermal management implementation for now.
70 * This is for the reason of 1000 uCode using advance thermal throttling API
71 * but not implement ct_kill_exit based on ct_kill exit temperature
72 * so the thermal throttling will still based on legacy thermal throttling
73 * management.
74 * The code here need to be modified once 1000 uCode has the advanced thermal
75 * throttling algorithm in place
76 */
77static void iwl1000_set_ct_threshold(struct iwl_priv *priv)
78{
79 /* want Celsius */
Emmanuel Grumbachd6189122011-08-25 23:10:39 -070080 hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY;
81 hw_params(priv).ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
Wey-Yi Guy672639d2009-07-24 11:13:01 -070082}
83
Wey-Yi Guy65b79982009-07-31 14:28:07 -070084/* NIC configuration for 1000 series */
85static void iwl1000_nic_config(struct iwl_priv *priv)
86{
Wey-Yi Guy9371d4e2009-09-11 10:38:10 -070087 /* set CSR_HW_CONFIG_REG for uCode use */
Emmanuel Grumbach83ed9012011-08-25 23:11:14 -070088 iwl_set_bit(bus(priv), CSR_HW_IF_CONFIG_REG,
Wey-Yi Guy9371d4e2009-09-11 10:38:10 -070089 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
90 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
Wey-Yi Guy65b79982009-07-31 14:28:07 -070091
92 /* Setting digital SVR for 1000 card to 1.32V */
93 /* locking is acquired in iwl_set_bits_mask_prph() function */
Emmanuel Grumbach83ed9012011-08-25 23:11:14 -070094 iwl_set_bits_mask_prph(bus(priv), APMG_DIGITAL_SVR_REG,
Wey-Yi Guy65b79982009-07-31 14:28:07 -070095 APMG_SVR_DIGITAL_VOLTAGE_1_32,
96 ~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK);
97}
98
Wey-Yi Guyfac061082010-01-20 12:22:54 -080099static struct iwl_sensitivity_ranges iwl1000_sensitivity = {
100 .min_nrg_cck = 95,
101 .max_nrg_cck = 0, /* not used, set to 0 */
102 .auto_corr_min_ofdm = 90,
103 .auto_corr_min_ofdm_mrc = 170,
104 .auto_corr_min_ofdm_x1 = 120,
105 .auto_corr_min_ofdm_mrc_x1 = 240,
106
107 .auto_corr_max_ofdm = 120,
108 .auto_corr_max_ofdm_mrc = 210,
109 .auto_corr_max_ofdm_x1 = 155,
110 .auto_corr_max_ofdm_mrc_x1 = 290,
111
112 .auto_corr_min_cck = 125,
113 .auto_corr_max_cck = 200,
114 .auto_corr_min_cck_mrc = 170,
115 .auto_corr_max_cck_mrc = 400,
116 .nrg_th_cck = 95,
117 .nrg_th_ofdm = 95,
118
119 .barker_corr_th_min = 190,
120 .barker_corr_th_min_mrc = 390,
121 .nrg_th_cca = 62,
122};
123
124static int iwl1000_hw_set_hw_params(struct iwl_priv *priv)
125{
Don Fry9d143e92011-04-20 15:23:57 -0700126 if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
127 iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
Wey-Yi Guy7cb1b082010-10-06 08:10:00 -0700128 priv->cfg->base_params->num_of_queues =
Don Fry9d143e92011-04-20 15:23:57 -0700129 iwlagn_mod_params.num_of_queues;
Wey-Yi Guyfac061082010-01-20 12:22:54 -0800130
Emmanuel Grumbachd6189122011-08-25 23:10:39 -0700131 hw_params(priv).max_txq_num = priv->cfg->base_params->num_of_queues;
Emmanuel Grumbachd6189122011-08-25 23:10:39 -0700132 hw_params(priv).max_stations = IWLAGN_STATION_COUNT;
Johannes Berga194e322010-08-27 08:53:46 -0700133 priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
Wey-Yi Guyfac061082010-01-20 12:22:54 -0800134
Emmanuel Grumbachd6189122011-08-25 23:10:39 -0700135 hw_params(priv).max_data_size = IWLAGN_RTC_DATA_SIZE;
136 hw_params(priv).max_inst_size = IWLAGN_RTC_INST_SIZE;
Wey-Yi Guyfac061082010-01-20 12:22:54 -0800137
Emmanuel Grumbachd6189122011-08-25 23:10:39 -0700138 hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ);
Wey-Yi Guyfac061082010-01-20 12:22:54 -0800139
Emmanuel Grumbachd6189122011-08-25 23:10:39 -0700140 hw_params(priv).tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
Wey-Yi Guy17423ea2010-12-06 11:51:39 -0800141 if (priv->cfg->rx_with_siso_diversity)
Emmanuel Grumbachd6189122011-08-25 23:10:39 -0700142 hw_params(priv).rx_chains_num = 1;
Wey-Yi Guy17423ea2010-12-06 11:51:39 -0800143 else
Emmanuel Grumbachd6189122011-08-25 23:10:39 -0700144 hw_params(priv).rx_chains_num =
Wey-Yi Guy17423ea2010-12-06 11:51:39 -0800145 num_of_ant(priv->cfg->valid_rx_ant);
Emmanuel Grumbachd6189122011-08-25 23:10:39 -0700146 hw_params(priv).valid_tx_ant = priv->cfg->valid_tx_ant;
147 hw_params(priv).valid_rx_ant = priv->cfg->valid_rx_ant;
Wey-Yi Guyfac061082010-01-20 12:22:54 -0800148
Johannes Berg04536742010-09-22 18:02:08 +0200149 iwl1000_set_ct_threshold(priv);
Wey-Yi Guyfac061082010-01-20 12:22:54 -0800150
151 /* Set initial sensitivity parameters */
152 /* Set initial calibration set */
Emmanuel Grumbachd6189122011-08-25 23:10:39 -0700153 hw_params(priv).sens = &iwl1000_sensitivity;
154 hw_params(priv).calib_init_cfg =
Wey-Yi Guyfac061082010-01-20 12:22:54 -0800155 BIT(IWL_CALIB_XTAL) |
156 BIT(IWL_CALIB_LO) |
157 BIT(IWL_CALIB_TX_IQ) |
158 BIT(IWL_CALIB_TX_IQ_PERD) |
159 BIT(IWL_CALIB_BASE_BAND);
Wey-Yi Guy178d1592010-06-15 16:14:53 -0700160 if (priv->cfg->need_dc_calib)
Emmanuel Grumbachd6189122011-08-25 23:10:39 -0700161 hw_params(priv).calib_init_cfg |= BIT(IWL_CALIB_DC);
Wey-Yi Guyfac061082010-01-20 12:22:54 -0800162
Emmanuel Grumbachd6189122011-08-25 23:10:39 -0700163 hw_params(priv).beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
Wey-Yi Guya0ee74c2010-05-06 08:54:10 -0700164
Wey-Yi Guyfac061082010-01-20 12:22:54 -0800165 return 0;
166}
167
Wey-Yi Guy672639d2009-07-24 11:13:01 -0700168static struct iwl_lib_ops iwl1000_lib = {
Wey-Yi Guyfac061082010-01-20 12:22:54 -0800169 .set_hw_params = iwl1000_hw_set_hw_params,
Fry, Donald He4c598b2011-07-08 08:46:18 -0700170 .nic_config = iwl1000_nic_config,
Wey-Yi Guy672639d2009-07-24 11:13:01 -0700171 .eeprom_ops = {
172 .regulatory_bands = {
Wey-Yi Guye04ed0a2010-03-16 17:47:58 -0700173 EEPROM_REG_BAND_1_CHANNELS,
174 EEPROM_REG_BAND_2_CHANNELS,
175 EEPROM_REG_BAND_3_CHANNELS,
176 EEPROM_REG_BAND_4_CHANNELS,
177 EEPROM_REG_BAND_5_CHANNELS,
178 EEPROM_REG_BAND_24_HT40_CHANNELS,
Wey-Yi Guy5cab35e2011-04-06 15:55:27 -0700179 EEPROM_REGULATORY_BAND_NO_HT40,
Wey-Yi Guy672639d2009-07-24 11:13:01 -0700180 },
Wey-Yi Guy672639d2009-07-24 11:13:01 -0700181 },
Wey-Yi Guy909fc3c2011-07-08 08:46:20 -0700182 .temperature = iwlagn_temperature,
Wey-Yi Guy672639d2009-07-24 11:13:01 -0700183};
184
Wey-Yi Guy7cb1b082010-10-06 08:10:00 -0700185static struct iwl_base_params iwl1000_base_params = {
Wey-Yi Guy19e6cda2010-03-16 17:41:23 -0700186 .num_of_queues = IWLAGN_NUM_QUEUES,
187 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
Wey-Yi Guy7cb1b082010-10-06 08:10:00 -0700188 .eeprom_size = OTP_LOW_IMAGE_SIZE,
Ben Cahillfadb3582009-10-23 13:42:21 -0700189 .pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
Wey-Yi Guy415e4992009-08-13 13:30:54 -0700190 .max_ll_items = OTP_MAX_LL_ITEMS_1000,
191 .shadow_ram_support = false,
Wey-Yi Guyf2d0d0e2009-09-11 10:38:14 -0700192 .led_compensation = 51,
Wey-Yi Guyd8c07e72009-09-25 14:24:26 -0700193 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
Wey-Yi Guy480e8402009-10-23 13:42:28 -0700194 .support_ct_kill_exit = true,
Trieu 'Andrew' Nguyen6c3872e2010-02-08 13:53:05 -0800195 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF,
Ben Cahilld4fe5ac2010-02-05 11:33:46 -0800196 .chain_noise_scale = 1000,
Stanislaw Gruszka22de94d2010-12-03 15:41:48 +0100197 .wd_timeout = IWL_DEF_WD_TIMEOUT,
Wey-Yi Guy678b3852010-03-26 12:54:37 -0700198 .max_event_log_size = 128,
Jay Sternbergc5d05692009-01-19 15:30:35 -0800199};
Wey-Yi Guy7cb1b082010-10-06 08:10:00 -0700200static struct iwl_ht_params iwl1000_ht_params = {
201 .ht_greenfield_support = true,
202 .use_rts_for_aggregation = true, /* use rts/cts protection */
Wey-Yi Guy946572b22011-07-23 10:24:41 -0700203 .smps_mode = IEEE80211_SMPS_DYNAMIC,
Wey-Yi Guy7cb1b082010-10-06 08:10:00 -0700204};
205
Wey-Yi Guy65af8de2010-12-08 07:51:50 -0800206#define IWL_DEVICE_1000 \
207 .fw_name_pre = IWL1000_FW_PRE, \
208 .ucode_api_max = IWL1000_UCODE_API_MAX, \
Johannes Bergca9a4602011-07-23 10:24:45 -0700209 .ucode_api_ok = IWL1000_UCODE_API_OK, \
Wey-Yi Guy65af8de2010-12-08 07:51:50 -0800210 .ucode_api_min = IWL1000_UCODE_API_MIN, \
211 .eeprom_ver = EEPROM_1000_EEPROM_VERSION, \
212 .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \
Wey-Yi Guy90c300c2011-07-07 08:33:01 -0700213 .lib = &iwl1000_lib, \
Wey-Yi Guy65af8de2010-12-08 07:51:50 -0800214 .base_params = &iwl1000_base_params, \
215 .led_mode = IWL_LED_BLINK
216
Wey-Yi Guy7cb1b082010-10-06 08:10:00 -0700217struct iwl_cfg iwl1000_bgn_cfg = {
218 .name = "Intel(R) Centrino(R) Wireless-N 1000 BGN",
Wey-Yi Guy65af8de2010-12-08 07:51:50 -0800219 IWL_DEVICE_1000,
Wey-Yi Guy7cb1b082010-10-06 08:10:00 -0700220 .ht_params = &iwl1000_ht_params,
221};
Jay Sternbergc5d05692009-01-19 15:30:35 -0800222
Wey-Yi Guy4bd0914f2009-09-17 10:43:52 -0700223struct iwl_cfg iwl1000_bg_cfg = {
Shanyu Zhaoc11362c2010-03-05 17:05:20 -0800224 .name = "Intel(R) Centrino(R) Wireless-N 1000 BG",
Wey-Yi Guy65af8de2010-12-08 07:51:50 -0800225 IWL_DEVICE_1000,
Wey-Yi Guy4bd0914f2009-09-17 10:43:52 -0700226};
227
Wey-Yi Guy65af8de2010-12-08 07:51:50 -0800228#define IWL_DEVICE_100 \
229 .fw_name_pre = IWL100_FW_PRE, \
230 .ucode_api_max = IWL100_UCODE_API_MAX, \
Johannes Bergca9a4602011-07-23 10:24:45 -0700231 .ucode_api_ok = IWL100_UCODE_API_OK, \
Wey-Yi Guy65af8de2010-12-08 07:51:50 -0800232 .ucode_api_min = IWL100_UCODE_API_MIN, \
233 .eeprom_ver = EEPROM_1000_EEPROM_VERSION, \
234 .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \
Wey-Yi Guy90c300c2011-07-07 08:33:01 -0700235 .lib = &iwl1000_lib, \
Wey-Yi Guy65af8de2010-12-08 07:51:50 -0800236 .base_params = &iwl1000_base_params, \
237 .led_mode = IWL_LED_RF_STATE, \
238 .rx_with_siso_diversity = true
239
Jay Sternberg1de19ec2010-09-14 15:21:20 -0700240struct iwl_cfg iwl100_bgn_cfg = {
Wey-Yi Guy638514f2010-11-17 12:13:55 -0800241 .name = "Intel(R) Centrino(R) Wireless-N 100 BGN",
Wey-Yi Guy65af8de2010-12-08 07:51:50 -0800242 IWL_DEVICE_100,
Wey-Yi Guy7cb1b082010-10-06 08:10:00 -0700243 .ht_params = &iwl1000_ht_params,
Jay Sternberg1de19ec2010-09-14 15:21:20 -0700244};
245
246struct iwl_cfg iwl100_bg_cfg = {
Wey-Yi Guy638514f2010-11-17 12:13:55 -0800247 .name = "Intel(R) Centrino(R) Wireless-N 100 BG",
Wey-Yi Guy65af8de2010-12-08 07:51:50 -0800248 IWL_DEVICE_100,
Jay Sternberg1de19ec2010-09-14 15:21:20 -0700249};
250
Huaxu Wan9554b342009-09-25 14:24:28 -0700251MODULE_FIRMWARE(IWL1000_MODULE_FIRMWARE(IWL1000_UCODE_API_MAX));
Jay Sternberg1de19ec2010-09-14 15:21:20 -0700252MODULE_FIRMWARE(IWL100_MODULE_FIRMWARE(IWL100_UCODE_API_MAX));