1 /******************************************************************************
3 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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.
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
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
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
21 * Contact Information:
22 * Intel Linux Wireless <ilw@linux.intel.com>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25 *****************************************************************************/
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>
38 #include "iwl-eeprom.h"
44 #include "iwl-helpers.h"
45 #include "iwl-agn-hw.h"
46 #include "iwl-shared.h"
49 /* Highest firmware API version supported */
50 #define IWL1000_UCODE_API_MAX 6
51 #define IWL100_UCODE_API_MAX 6
53 /* Oldest version we won't warn about */
54 #define IWL1000_UCODE_API_OK 5
55 #define IWL100_UCODE_API_OK 5
57 /* Lowest firmware API version supported */
58 #define IWL1000_UCODE_API_MIN 1
59 #define IWL100_UCODE_API_MIN 5
61 #define IWL1000_FW_PRE "iwlwifi-1000-"
62 #define IWL1000_MODULE_FIRMWARE(api) IWL1000_FW_PRE __stringify(api) ".ucode"
64 #define IWL100_FW_PRE "iwlwifi-100-"
65 #define IWL100_MODULE_FIRMWARE(api) IWL100_FW_PRE __stringify(api) ".ucode"
69 * For 1000, use advance thermal throttling critical temperature threshold,
70 * but legacy thermal management implementation for now.
71 * This is for the reason of 1000 uCode using advance thermal throttling API
72 * but not implement ct_kill_exit based on ct_kill exit temperature
73 * so the thermal throttling will still based on legacy thermal throttling
75 * The code here need to be modified once 1000 uCode has the advanced thermal
76 * throttling algorithm in place
78 static void iwl1000_set_ct_threshold(struct iwl_priv *priv)
81 hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY;
82 hw_params(priv).ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
85 /* NIC configuration for 1000 series */
86 static void iwl1000_nic_config(struct iwl_priv *priv)
88 /* set CSR_HW_CONFIG_REG for uCode use */
89 iwl_set_bit(bus(priv), CSR_HW_IF_CONFIG_REG,
90 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
91 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
93 /* Setting digital SVR for 1000 card to 1.32V */
94 /* locking is acquired in iwl_set_bits_mask_prph() function */
95 iwl_set_bits_mask_prph(bus(priv), APMG_DIGITAL_SVR_REG,
96 APMG_SVR_DIGITAL_VOLTAGE_1_32,
97 ~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK);
100 static struct iwl_sensitivity_ranges iwl1000_sensitivity = {
102 .max_nrg_cck = 0, /* not used, set to 0 */
103 .auto_corr_min_ofdm = 90,
104 .auto_corr_min_ofdm_mrc = 170,
105 .auto_corr_min_ofdm_x1 = 120,
106 .auto_corr_min_ofdm_mrc_x1 = 240,
108 .auto_corr_max_ofdm = 120,
109 .auto_corr_max_ofdm_mrc = 210,
110 .auto_corr_max_ofdm_x1 = 155,
111 .auto_corr_max_ofdm_mrc_x1 = 290,
113 .auto_corr_min_cck = 125,
114 .auto_corr_max_cck = 200,
115 .auto_corr_min_cck_mrc = 170,
116 .auto_corr_max_cck_mrc = 400,
120 .barker_corr_th_min = 190,
121 .barker_corr_th_min_mrc = 390,
125 static int iwl1000_hw_set_hw_params(struct iwl_priv *priv)
127 if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
128 iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
129 priv->cfg->base_params->num_of_queues =
130 iwlagn_mod_params.num_of_queues;
132 hw_params(priv).max_txq_num = priv->cfg->base_params->num_of_queues;
133 priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
135 hw_params(priv).max_data_size = IWLAGN_RTC_DATA_SIZE;
136 hw_params(priv).max_inst_size = IWLAGN_RTC_INST_SIZE;
138 hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ);
140 hw_params(priv).tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
141 if (priv->cfg->rx_with_siso_diversity)
142 hw_params(priv).rx_chains_num = 1;
144 hw_params(priv).rx_chains_num =
145 num_of_ant(priv->cfg->valid_rx_ant);
146 hw_params(priv).valid_tx_ant = priv->cfg->valid_tx_ant;
147 hw_params(priv).valid_rx_ant = priv->cfg->valid_rx_ant;
149 iwl1000_set_ct_threshold(priv);
151 /* Set initial sensitivity parameters */
152 /* Set initial calibration set */
153 hw_params(priv).sens = &iwl1000_sensitivity;
154 hw_params(priv).calib_init_cfg =
155 BIT(IWL_CALIB_XTAL) |
157 BIT(IWL_CALIB_TX_IQ) |
158 BIT(IWL_CALIB_TX_IQ_PERD) |
159 BIT(IWL_CALIB_BASE_BAND);
160 if (priv->cfg->need_dc_calib)
161 hw_params(priv).calib_init_cfg |= BIT(IWL_CALIB_DC);
166 static struct iwl_lib_ops iwl1000_lib = {
167 .set_hw_params = iwl1000_hw_set_hw_params,
168 .nic_config = iwl1000_nic_config,
170 .regulatory_bands = {
171 EEPROM_REG_BAND_1_CHANNELS,
172 EEPROM_REG_BAND_2_CHANNELS,
173 EEPROM_REG_BAND_3_CHANNELS,
174 EEPROM_REG_BAND_4_CHANNELS,
175 EEPROM_REG_BAND_5_CHANNELS,
176 EEPROM_REG_BAND_24_HT40_CHANNELS,
177 EEPROM_REGULATORY_BAND_NO_HT40,
180 .temperature = iwlagn_temperature,
183 static struct iwl_base_params iwl1000_base_params = {
184 .num_of_queues = IWLAGN_NUM_QUEUES,
185 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
186 .eeprom_size = OTP_LOW_IMAGE_SIZE,
187 .pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
188 .max_ll_items = OTP_MAX_LL_ITEMS_1000,
189 .shadow_ram_support = false,
190 .led_compensation = 51,
191 .support_ct_kill_exit = true,
192 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF,
193 .chain_noise_scale = 1000,
194 .wd_timeout = IWL_DEF_WD_TIMEOUT,
195 .max_event_log_size = 128,
197 static struct iwl_ht_params iwl1000_ht_params = {
198 .ht_greenfield_support = true,
199 .use_rts_for_aggregation = true, /* use rts/cts protection */
200 .smps_mode = IEEE80211_SMPS_DYNAMIC,
203 #define IWL_DEVICE_1000 \
204 .fw_name_pre = IWL1000_FW_PRE, \
205 .ucode_api_max = IWL1000_UCODE_API_MAX, \
206 .ucode_api_ok = IWL1000_UCODE_API_OK, \
207 .ucode_api_min = IWL1000_UCODE_API_MIN, \
208 .eeprom_ver = EEPROM_1000_EEPROM_VERSION, \
209 .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \
210 .lib = &iwl1000_lib, \
211 .base_params = &iwl1000_base_params, \
212 .led_mode = IWL_LED_BLINK
214 struct iwl_cfg iwl1000_bgn_cfg = {
215 .name = "Intel(R) Centrino(R) Wireless-N 1000 BGN",
217 .ht_params = &iwl1000_ht_params,
220 struct iwl_cfg iwl1000_bg_cfg = {
221 .name = "Intel(R) Centrino(R) Wireless-N 1000 BG",
225 #define IWL_DEVICE_100 \
226 .fw_name_pre = IWL100_FW_PRE, \
227 .ucode_api_max = IWL100_UCODE_API_MAX, \
228 .ucode_api_ok = IWL100_UCODE_API_OK, \
229 .ucode_api_min = IWL100_UCODE_API_MIN, \
230 .eeprom_ver = EEPROM_1000_EEPROM_VERSION, \
231 .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \
232 .lib = &iwl1000_lib, \
233 .base_params = &iwl1000_base_params, \
234 .led_mode = IWL_LED_RF_STATE, \
235 .rx_with_siso_diversity = true
237 struct iwl_cfg iwl100_bgn_cfg = {
238 .name = "Intel(R) Centrino(R) Wireless-N 100 BGN",
240 .ht_params = &iwl1000_ht_params,
243 struct iwl_cfg iwl100_bg_cfg = {
244 .name = "Intel(R) Centrino(R) Wireless-N 100 BG",
248 MODULE_FIRMWARE(IWL1000_MODULE_FIRMWARE(IWL1000_UCODE_API_MAX));
249 MODULE_FIRMWARE(IWL100_MODULE_FIRMWARE(IWL100_UCODE_API_MAX));