blob: 2a88e73bb39cf51c3cea461160d2d0266fcda829 [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>
30#include <linux/pci.h>
31#include <linux/dma-mapping.h>
32#include <linux/delay.h>
33#include <linux/skbuff.h>
34#include <linux/netdevice.h>
35#include <linux/wireless.h>
36#include <net/mac80211.h>
37#include <linux/etherdevice.h>
38#include <asm/unaligned.h>
Evgeni Golov8fcbd4dc2011-06-12 05:34:31 -070039#include <linux/stringify.h>
Jay Sternbergc5d05692009-01-19 15:30:35 -080040
41#include "iwl-eeprom.h"
42#include "iwl-dev.h"
43#include "iwl-core.h"
44#include "iwl-io.h"
45#include "iwl-sta.h"
Johannes Berga1175122010-01-21 06:21:10 -080046#include "iwl-agn.h"
Jay Sternbergc5d05692009-01-19 15:30:35 -080047#include "iwl-helpers.h"
Wey-Yi Guy19e6cda2010-03-16 17:41:23 -070048#include "iwl-agn-hw.h"
Jay Sternbergc5d05692009-01-19 15:30:35 -080049
50/* Highest firmware API version supported */
Fry, Donald Hfea41cc2011-02-25 09:43:20 -080051#define IWL1000_UCODE_API_MAX 5
Jay Sternberg1de19ec2010-09-14 15:21:20 -070052#define IWL100_UCODE_API_MAX 5
Jay Sternbergc5d05692009-01-19 15:30:35 -080053
54/* Lowest firmware API version supported */
Jay Sternberg77dcb6a2009-03-06 13:52:55 -080055#define IWL1000_UCODE_API_MIN 1
Jay Sternberg1de19ec2010-09-14 15:21:20 -070056#define IWL100_UCODE_API_MIN 5
Jay Sternbergc5d05692009-01-19 15:30:35 -080057
Jay Sternberg77dcb6a2009-03-06 13:52:55 -080058#define IWL1000_FW_PRE "iwlwifi-1000-"
Evgeni Golov8fcbd4dc2011-06-12 05:34:31 -070059#define IWL1000_MODULE_FIRMWARE(api) IWL1000_FW_PRE __stringify(api) ".ucode"
Jay Sternbergc5d05692009-01-19 15:30:35 -080060
Jay Sternberg1de19ec2010-09-14 15:21:20 -070061#define IWL100_FW_PRE "iwlwifi-100-"
Evgeni Golov8fcbd4dc2011-06-12 05:34:31 -070062#define IWL100_MODULE_FIRMWARE(api) IWL100_FW_PRE __stringify(api) ".ucode"
Jay Sternberg1de19ec2010-09-14 15:21:20 -070063
Wey-Yi Guy672639d2009-07-24 11:13:01 -070064
65/*
66 * For 1000, use advance thermal throttling critical temperature threshold,
67 * but legacy thermal management implementation for now.
68 * This is for the reason of 1000 uCode using advance thermal throttling API
69 * but not implement ct_kill_exit based on ct_kill exit temperature
70 * so the thermal throttling will still based on legacy thermal throttling
71 * management.
72 * The code here need to be modified once 1000 uCode has the advanced thermal
73 * throttling algorithm in place
74 */
75static void iwl1000_set_ct_threshold(struct iwl_priv *priv)
76{
77 /* want Celsius */
78 priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY;
79 priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
80}
81
Wey-Yi Guy65b79982009-07-31 14:28:07 -070082/* NIC configuration for 1000 series */
83static void iwl1000_nic_config(struct iwl_priv *priv)
84{
Wey-Yi Guy9371d4e2009-09-11 10:38:10 -070085 /* set CSR_HW_CONFIG_REG for uCode use */
86 iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
87 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
88 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
Wey-Yi Guy65b79982009-07-31 14:28:07 -070089
90 /* Setting digital SVR for 1000 card to 1.32V */
91 /* locking is acquired in iwl_set_bits_mask_prph() function */
92 iwl_set_bits_mask_prph(priv, APMG_DIGITAL_SVR_REG,
93 APMG_SVR_DIGITAL_VOLTAGE_1_32,
94 ~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK);
95}
96
Wey-Yi Guyfac061082010-01-20 12:22:54 -080097static struct iwl_sensitivity_ranges iwl1000_sensitivity = {
98 .min_nrg_cck = 95,
99 .max_nrg_cck = 0, /* not used, set to 0 */
100 .auto_corr_min_ofdm = 90,
101 .auto_corr_min_ofdm_mrc = 170,
102 .auto_corr_min_ofdm_x1 = 120,
103 .auto_corr_min_ofdm_mrc_x1 = 240,
104
105 .auto_corr_max_ofdm = 120,
106 .auto_corr_max_ofdm_mrc = 210,
107 .auto_corr_max_ofdm_x1 = 155,
108 .auto_corr_max_ofdm_mrc_x1 = 290,
109
110 .auto_corr_min_cck = 125,
111 .auto_corr_max_cck = 200,
112 .auto_corr_min_cck_mrc = 170,
113 .auto_corr_max_cck_mrc = 400,
114 .nrg_th_cck = 95,
115 .nrg_th_ofdm = 95,
116
117 .barker_corr_th_min = 190,
118 .barker_corr_th_min_mrc = 390,
119 .nrg_th_cca = 62,
120};
121
122static int iwl1000_hw_set_hw_params(struct iwl_priv *priv)
123{
Don Fry9d143e92011-04-20 15:23:57 -0700124 if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
125 iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
Wey-Yi Guy7cb1b082010-10-06 08:10:00 -0700126 priv->cfg->base_params->num_of_queues =
Don Fry9d143e92011-04-20 15:23:57 -0700127 iwlagn_mod_params.num_of_queues;
Wey-Yi Guyfac061082010-01-20 12:22:54 -0800128
Wey-Yi Guy7cb1b082010-10-06 08:10:00 -0700129 priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues;
Wey-Yi Guyfac061082010-01-20 12:22:54 -0800130 priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
131 priv->hw_params.scd_bc_tbls_size =
Wey-Yi Guy7cb1b082010-10-06 08:10:00 -0700132 priv->cfg->base_params->num_of_queues *
Wey-Yi Guy19e6cda2010-03-16 17:41:23 -0700133 sizeof(struct iwlagn_scd_bc_tbl);
Wey-Yi Guyfac061082010-01-20 12:22:54 -0800134 priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
Wey-Yi Guybf3c7fd2010-06-24 14:08:05 -0700135 priv->hw_params.max_stations = IWLAGN_STATION_COUNT;
Johannes Berga194e322010-08-27 08:53:46 -0700136 priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
Wey-Yi Guyfac061082010-01-20 12:22:54 -0800137
Wey-Yi Guy19e6cda2010-03-16 17:41:23 -0700138 priv->hw_params.max_data_size = IWLAGN_RTC_DATA_SIZE;
139 priv->hw_params.max_inst_size = IWLAGN_RTC_INST_SIZE;
Wey-Yi Guyfac061082010-01-20 12:22:54 -0800140
Wey-Yi Guyfac061082010-01-20 12:22:54 -0800141 priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) |
142 BIT(IEEE80211_BAND_5GHZ);
143 priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
144
145 priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
Wey-Yi Guy17423ea2010-12-06 11:51:39 -0800146 if (priv->cfg->rx_with_siso_diversity)
147 priv->hw_params.rx_chains_num = 1;
148 else
149 priv->hw_params.rx_chains_num =
150 num_of_ant(priv->cfg->valid_rx_ant);
Wey-Yi Guyfac061082010-01-20 12:22:54 -0800151 priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
152 priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
153
Johannes Berg04536742010-09-22 18:02:08 +0200154 iwl1000_set_ct_threshold(priv);
Wey-Yi Guyfac061082010-01-20 12:22:54 -0800155
156 /* Set initial sensitivity parameters */
157 /* Set initial calibration set */
158 priv->hw_params.sens = &iwl1000_sensitivity;
159 priv->hw_params.calib_init_cfg =
160 BIT(IWL_CALIB_XTAL) |
161 BIT(IWL_CALIB_LO) |
162 BIT(IWL_CALIB_TX_IQ) |
163 BIT(IWL_CALIB_TX_IQ_PERD) |
164 BIT(IWL_CALIB_BASE_BAND);
Wey-Yi Guy178d1592010-06-15 16:14:53 -0700165 if (priv->cfg->need_dc_calib)
166 priv->hw_params.calib_init_cfg |= BIT(IWL_CALIB_DC);
Wey-Yi Guyfac061082010-01-20 12:22:54 -0800167
Wey-Yi Guya0ee74c2010-05-06 08:54:10 -0700168 priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
169
Wey-Yi Guyfac061082010-01-20 12:22:54 -0800170 return 0;
171}
172
Wey-Yi Guy672639d2009-07-24 11:13:01 -0700173static struct iwl_lib_ops iwl1000_lib = {
Wey-Yi Guyfac061082010-01-20 12:22:54 -0800174 .set_hw_params = iwl1000_hw_set_hw_params,
Wey-Yi Guye04ed0a2010-03-16 17:47:58 -0700175 .rx_handler_setup = iwlagn_rx_handler_setup,
176 .setup_deferred_work = iwlagn_setup_deferred_work,
177 .is_valid_rtc_data_addr = iwlagn_hw_valid_rtc_data_addr,
Wey-Yi Guye04ed0a2010-03-16 17:47:58 -0700178 .send_tx_power = iwlagn_send_tx_power,
Wey-Yi Guy672639d2009-07-24 11:13:01 -0700179 .update_chain_flags = iwl_update_chain_flags,
180 .apm_ops = {
Ben Cahillfadb3582009-10-23 13:42:21 -0700181 .init = iwl_apm_init,
Wey-Yi Guy65b79982009-07-31 14:28:07 -0700182 .config = iwl1000_nic_config,
Wey-Yi Guy672639d2009-07-24 11:13:01 -0700183 },
184 .eeprom_ops = {
185 .regulatory_bands = {
Wey-Yi Guye04ed0a2010-03-16 17:47:58 -0700186 EEPROM_REG_BAND_1_CHANNELS,
187 EEPROM_REG_BAND_2_CHANNELS,
188 EEPROM_REG_BAND_3_CHANNELS,
189 EEPROM_REG_BAND_4_CHANNELS,
190 EEPROM_REG_BAND_5_CHANNELS,
191 EEPROM_REG_BAND_24_HT40_CHANNELS,
Wey-Yi Guy5cab35e2011-04-06 15:55:27 -0700192 EEPROM_REGULATORY_BAND_NO_HT40,
Wey-Yi Guy672639d2009-07-24 11:13:01 -0700193 },
Wey-Yi Guye04ed0a2010-03-16 17:47:58 -0700194 .query_addr = iwlagn_eeprom_query_addr,
Wey-Yi Guy672639d2009-07-24 11:13:01 -0700195 },
Wey-Yi Guy672639d2009-07-24 11:13:01 -0700196 .temp_ops = {
Wey-Yi Guye04ed0a2010-03-16 17:47:58 -0700197 .temperature = iwlagn_temperature,
Wey-Yi Guy672639d2009-07-24 11:13:01 -0700198 },
Wey-Yi Guy716c74b2010-06-24 13:22:36 -0700199 .txfifo_flush = iwlagn_txfifo_flush,
Wey-Yi Guy65550632010-06-24 13:18:35 -0700200 .dev_txfifo_flush = iwlagn_dev_txfifo_flush,
Wey-Yi Guy672639d2009-07-24 11:13:01 -0700201};
202
Emese Revfy45d5d802009-12-14 00:59:53 +0100203static const struct iwl_ops iwl1000_ops = {
Wey-Yi Guy672639d2009-07-24 11:13:01 -0700204 .lib = &iwl1000_lib,
Wey-Yi Guy7dc77db2010-03-16 10:23:31 -0700205 .hcmd = &iwlagn_hcmd,
206 .utils = &iwlagn_hcmd_utils,
Wey-Yi Guy672639d2009-07-24 11:13:01 -0700207};
208
Wey-Yi Guy7cb1b082010-10-06 08:10:00 -0700209static struct iwl_base_params iwl1000_base_params = {
Wey-Yi Guy19e6cda2010-03-16 17:41:23 -0700210 .num_of_queues = IWLAGN_NUM_QUEUES,
211 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
Wey-Yi Guy7cb1b082010-10-06 08:10:00 -0700212 .eeprom_size = OTP_LOW_IMAGE_SIZE,
Ben Cahillfadb3582009-10-23 13:42:21 -0700213 .pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
Wey-Yi Guy415e4992009-08-13 13:30:54 -0700214 .max_ll_items = OTP_MAX_LL_ITEMS_1000,
215 .shadow_ram_support = false,
Wey-Yi Guyf2d0d0e2009-09-11 10:38:14 -0700216 .led_compensation = 51,
Wey-Yi Guyd8c07e72009-09-25 14:24:26 -0700217 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
Wey-Yi Guy480e8402009-10-23 13:42:28 -0700218 .support_ct_kill_exit = true,
Trieu 'Andrew' Nguyen6c3872e2010-02-08 13:53:05 -0800219 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF,
Ben Cahilld4fe5ac2010-02-05 11:33:46 -0800220 .chain_noise_scale = 1000,
Stanislaw Gruszka22de94d2010-12-03 15:41:48 +0100221 .wd_timeout = IWL_DEF_WD_TIMEOUT,
Wey-Yi Guy678b3852010-03-26 12:54:37 -0700222 .max_event_log_size = 128,
Jay Sternbergc5d05692009-01-19 15:30:35 -0800223};
Wey-Yi Guy7cb1b082010-10-06 08:10:00 -0700224static struct iwl_ht_params iwl1000_ht_params = {
225 .ht_greenfield_support = true,
226 .use_rts_for_aggregation = true, /* use rts/cts protection */
227};
228
Wey-Yi Guy65af8de2010-12-08 07:51:50 -0800229#define IWL_DEVICE_1000 \
230 .fw_name_pre = IWL1000_FW_PRE, \
231 .ucode_api_max = IWL1000_UCODE_API_MAX, \
232 .ucode_api_min = IWL1000_UCODE_API_MIN, \
233 .eeprom_ver = EEPROM_1000_EEPROM_VERSION, \
234 .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \
235 .ops = &iwl1000_ops, \
Wey-Yi Guy65af8de2010-12-08 07:51:50 -0800236 .base_params = &iwl1000_base_params, \
237 .led_mode = IWL_LED_BLINK
238
Wey-Yi Guy7cb1b082010-10-06 08:10:00 -0700239struct iwl_cfg iwl1000_bgn_cfg = {
240 .name = "Intel(R) Centrino(R) Wireless-N 1000 BGN",
Wey-Yi Guy65af8de2010-12-08 07:51:50 -0800241 IWL_DEVICE_1000,
Wey-Yi Guy7cb1b082010-10-06 08:10:00 -0700242 .ht_params = &iwl1000_ht_params,
243};
Jay Sternbergc5d05692009-01-19 15:30:35 -0800244
Wey-Yi Guy4bd0914f2009-09-17 10:43:52 -0700245struct iwl_cfg iwl1000_bg_cfg = {
Shanyu Zhaoc11362c2010-03-05 17:05:20 -0800246 .name = "Intel(R) Centrino(R) Wireless-N 1000 BG",
Wey-Yi Guy65af8de2010-12-08 07:51:50 -0800247 IWL_DEVICE_1000,
Wey-Yi Guy4bd0914f2009-09-17 10:43:52 -0700248};
249
Wey-Yi Guy65af8de2010-12-08 07:51:50 -0800250#define IWL_DEVICE_100 \
251 .fw_name_pre = IWL100_FW_PRE, \
252 .ucode_api_max = IWL100_UCODE_API_MAX, \
253 .ucode_api_min = IWL100_UCODE_API_MIN, \
254 .eeprom_ver = EEPROM_1000_EEPROM_VERSION, \
255 .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \
256 .ops = &iwl1000_ops, \
Wey-Yi Guy65af8de2010-12-08 07:51:50 -0800257 .base_params = &iwl1000_base_params, \
258 .led_mode = IWL_LED_RF_STATE, \
259 .rx_with_siso_diversity = true
260
Jay Sternberg1de19ec2010-09-14 15:21:20 -0700261struct iwl_cfg iwl100_bgn_cfg = {
Wey-Yi Guy638514f2010-11-17 12:13:55 -0800262 .name = "Intel(R) Centrino(R) Wireless-N 100 BGN",
Wey-Yi Guy65af8de2010-12-08 07:51:50 -0800263 IWL_DEVICE_100,
Wey-Yi Guy7cb1b082010-10-06 08:10:00 -0700264 .ht_params = &iwl1000_ht_params,
Jay Sternberg1de19ec2010-09-14 15:21:20 -0700265};
266
267struct iwl_cfg iwl100_bg_cfg = {
Wey-Yi Guy638514f2010-11-17 12:13:55 -0800268 .name = "Intel(R) Centrino(R) Wireless-N 100 BG",
Wey-Yi Guy65af8de2010-12-08 07:51:50 -0800269 IWL_DEVICE_100,
Jay Sternberg1de19ec2010-09-14 15:21:20 -0700270};
271
Huaxu Wan9554b342009-09-25 14:24:28 -0700272MODULE_FIRMWARE(IWL1000_MODULE_FIRMWARE(IWL1000_UCODE_API_MAX));
Jay Sternberg1de19ec2010-09-14 15:21:20 -0700273MODULE_FIRMWARE(IWL100_MODULE_FIRMWARE(IWL100_UCODE_API_MAX));