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 <linux/wireless.h>
34 #include <net/mac80211.h>
35 #include <linux/etherdevice.h>
36 #include <asm/unaligned.h>
37 #include <linux/stringify.h>
39 #include "iwl-eeprom.h"
45 #include "iwl-helpers.h"
46 #include "iwl-agn-hw.h"
48 /* Highest firmware API version supported */
49 #define IWL1000_UCODE_API_MAX 5
50 #define IWL100_UCODE_API_MAX 5
52 /* Lowest firmware API version supported */
53 #define IWL1000_UCODE_API_MIN 1
54 #define IWL100_UCODE_API_MIN 5
56 #define IWL1000_FW_PRE "iwlwifi-1000-"
57 #define IWL1000_MODULE_FIRMWARE(api) IWL1000_FW_PRE __stringify(api) ".ucode"
59 #define IWL100_FW_PRE "iwlwifi-100-"
60 #define IWL100_MODULE_FIRMWARE(api) IWL100_FW_PRE __stringify(api) ".ucode"
64 * For 1000, use advance thermal throttling critical temperature threshold,
65 * but legacy thermal management implementation for now.
66 * This is for the reason of 1000 uCode using advance thermal throttling API
67 * but not implement ct_kill_exit based on ct_kill exit temperature
68 * so the thermal throttling will still based on legacy thermal throttling
70 * The code here need to be modified once 1000 uCode has the advanced thermal
71 * throttling algorithm in place
73 static void iwl1000_set_ct_threshold(struct iwl_priv *priv)
76 priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY;
77 priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
80 /* NIC configuration for 1000 series */
81 static void iwl1000_nic_config(struct iwl_priv *priv)
83 /* set CSR_HW_CONFIG_REG for uCode use */
84 iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
85 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
86 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
88 /* Setting digital SVR for 1000 card to 1.32V */
89 /* locking is acquired in iwl_set_bits_mask_prph() function */
90 iwl_set_bits_mask_prph(priv, APMG_DIGITAL_SVR_REG,
91 APMG_SVR_DIGITAL_VOLTAGE_1_32,
92 ~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK);
95 static struct iwl_sensitivity_ranges iwl1000_sensitivity = {
97 .max_nrg_cck = 0, /* not used, set to 0 */
98 .auto_corr_min_ofdm = 90,
99 .auto_corr_min_ofdm_mrc = 170,
100 .auto_corr_min_ofdm_x1 = 120,
101 .auto_corr_min_ofdm_mrc_x1 = 240,
103 .auto_corr_max_ofdm = 120,
104 .auto_corr_max_ofdm_mrc = 210,
105 .auto_corr_max_ofdm_x1 = 155,
106 .auto_corr_max_ofdm_mrc_x1 = 290,
108 .auto_corr_min_cck = 125,
109 .auto_corr_max_cck = 200,
110 .auto_corr_min_cck_mrc = 170,
111 .auto_corr_max_cck_mrc = 400,
115 .barker_corr_th_min = 190,
116 .barker_corr_th_min_mrc = 390,
120 static int iwl1000_hw_set_hw_params(struct iwl_priv *priv)
122 if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
123 iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
124 priv->cfg->base_params->num_of_queues =
125 iwlagn_mod_params.num_of_queues;
127 priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues;
128 priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
129 priv->hw_params.scd_bc_tbls_size =
130 priv->cfg->base_params->num_of_queues *
131 sizeof(struct iwlagn_scd_bc_tbl);
132 priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
133 priv->hw_params.max_stations = IWLAGN_STATION_COUNT;
134 priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
136 priv->hw_params.max_data_size = IWLAGN_RTC_DATA_SIZE;
137 priv->hw_params.max_inst_size = IWLAGN_RTC_INST_SIZE;
139 priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) |
140 BIT(IEEE80211_BAND_5GHZ);
141 priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
143 priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
144 if (priv->cfg->rx_with_siso_diversity)
145 priv->hw_params.rx_chains_num = 1;
147 priv->hw_params.rx_chains_num =
148 num_of_ant(priv->cfg->valid_rx_ant);
149 priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
150 priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
152 iwl1000_set_ct_threshold(priv);
154 /* Set initial sensitivity parameters */
155 /* Set initial calibration set */
156 priv->hw_params.sens = &iwl1000_sensitivity;
157 priv->hw_params.calib_init_cfg =
158 BIT(IWL_CALIB_XTAL) |
160 BIT(IWL_CALIB_TX_IQ) |
161 BIT(IWL_CALIB_TX_IQ_PERD) |
162 BIT(IWL_CALIB_BASE_BAND);
163 if (priv->cfg->need_dc_calib)
164 priv->hw_params.calib_init_cfg |= BIT(IWL_CALIB_DC);
166 priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
171 static struct iwl_lib_ops iwl1000_lib = {
172 .set_hw_params = iwl1000_hw_set_hw_params,
173 .rx_handler_setup = iwlagn_rx_handler_setup,
174 .setup_deferred_work = iwlagn_setup_deferred_work,
175 .is_valid_rtc_data_addr = iwlagn_hw_valid_rtc_data_addr,
176 .update_chain_flags = iwl_update_chain_flags,
178 .init = iwl_apm_init,
179 .config = iwl1000_nic_config,
182 .regulatory_bands = {
183 EEPROM_REG_BAND_1_CHANNELS,
184 EEPROM_REG_BAND_2_CHANNELS,
185 EEPROM_REG_BAND_3_CHANNELS,
186 EEPROM_REG_BAND_4_CHANNELS,
187 EEPROM_REG_BAND_5_CHANNELS,
188 EEPROM_REG_BAND_24_HT40_CHANNELS,
189 EEPROM_REGULATORY_BAND_NO_HT40,
191 .query_addr = iwlagn_eeprom_query_addr,
194 .temperature = iwlagn_temperature,
198 static const struct iwl_ops iwl1000_ops = {
200 .hcmd = &iwlagn_hcmd,
201 .utils = &iwlagn_hcmd_utils,
204 static struct iwl_base_params iwl1000_base_params = {
205 .num_of_queues = IWLAGN_NUM_QUEUES,
206 .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
207 .eeprom_size = OTP_LOW_IMAGE_SIZE,
208 .pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
209 .max_ll_items = OTP_MAX_LL_ITEMS_1000,
210 .shadow_ram_support = false,
211 .led_compensation = 51,
212 .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
213 .support_ct_kill_exit = true,
214 .plcp_delta_threshold = IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF,
215 .chain_noise_scale = 1000,
216 .wd_timeout = IWL_DEF_WD_TIMEOUT,
217 .max_event_log_size = 128,
219 static struct iwl_ht_params iwl1000_ht_params = {
220 .ht_greenfield_support = true,
221 .use_rts_for_aggregation = true, /* use rts/cts protection */
222 .smps_mode = IEEE80211_SMPS_STATIC,
225 #define IWL_DEVICE_1000 \
226 .fw_name_pre = IWL1000_FW_PRE, \
227 .ucode_api_max = IWL1000_UCODE_API_MAX, \
228 .ucode_api_min = IWL1000_UCODE_API_MIN, \
229 .eeprom_ver = EEPROM_1000_EEPROM_VERSION, \
230 .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \
231 .ops = &iwl1000_ops, \
232 .base_params = &iwl1000_base_params, \
233 .led_mode = IWL_LED_BLINK
235 struct iwl_cfg iwl1000_bgn_cfg = {
236 .name = "Intel(R) Centrino(R) Wireless-N 1000 BGN",
238 .ht_params = &iwl1000_ht_params,
241 struct iwl_cfg iwl1000_bg_cfg = {
242 .name = "Intel(R) Centrino(R) Wireless-N 1000 BG",
246 #define IWL_DEVICE_100 \
247 .fw_name_pre = IWL100_FW_PRE, \
248 .ucode_api_max = IWL100_UCODE_API_MAX, \
249 .ucode_api_min = IWL100_UCODE_API_MIN, \
250 .eeprom_ver = EEPROM_1000_EEPROM_VERSION, \
251 .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \
252 .ops = &iwl1000_ops, \
253 .base_params = &iwl1000_base_params, \
254 .led_mode = IWL_LED_RF_STATE, \
255 .rx_with_siso_diversity = true
257 struct iwl_cfg iwl100_bgn_cfg = {
258 .name = "Intel(R) Centrino(R) Wireless-N 100 BGN",
260 .ht_params = &iwl1000_ht_params,
263 struct iwl_cfg iwl100_bg_cfg = {
264 .name = "Intel(R) Centrino(R) Wireless-N 100 BG",
268 MODULE_FIRMWARE(IWL1000_MODULE_FIRMWARE(IWL1000_UCODE_API_MAX));
269 MODULE_FIRMWARE(IWL100_MODULE_FIRMWARE(IWL100_UCODE_API_MAX));