1/****************************************************************************** 2 * 3 * This file is provided under a dual BSD/GPLv2 license. When using or 4 * redistributing this file, you may do so under either license. 5 * 6 * GPL LICENSE SUMMARY 7 * 8 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of version 2 of the GNU General Public License as 12 * published by the Free Software Foundation. 13 * 14 * This program is distributed in the hope that it will be useful, but 15 * WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 22 * USA 23 * 24 * The full GNU General Public License is included in this distribution 25 * in the file called LICENSE.GPL. 26 * 27 * Contact Information: 28 * Intel Linux Wireless <ilw@linux.intel.com> 29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 30 * 31 * BSD LICENSE 32 * 33 * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. 34 * All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 40 * * Redistributions of source code must retain the above copyright 41 * notice, this list of conditions and the following disclaimer. 42 * * Redistributions in binary form must reproduce the above copyright 43 * notice, this list of conditions and the following disclaimer in 44 * the documentation and/or other materials provided with the 45 * distribution. 46 * * Neither the name Intel Corporation nor the names of its 47 * contributors may be used to endorse or promote products derived 48 * from this software without specific prior written permission. 49 * 50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 52 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 53 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 54 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 61 *****************************************************************************/ 62 63#ifndef __iwl_core_h__ 64#define __iwl_core_h__ 65 66#include "iwl-dev.h" 67#include "iwl-io.h" 68 69/************************ 70 * forward declarations * 71 ************************/ 72struct iwl_host_cmd; 73struct iwl_cmd; 74 75#define TIME_UNIT 1024 76 77struct iwl_lib_ops { 78 /* set hw dependent parameters */ 79 int (*set_hw_params)(struct iwl_priv *priv); 80 /* setup BT Rx handler */ 81 void (*bt_rx_handler_setup)(struct iwl_priv *priv); 82 /* setup BT related deferred work */ 83 void (*bt_setup_deferred_work)(struct iwl_priv *priv); 84 /* cancel deferred work */ 85 void (*cancel_deferred_work)(struct iwl_priv *priv); 86 int (*set_channel_switch)(struct iwl_priv *priv, 87 struct ieee80211_channel_switch *ch_switch); 88 /* device specific configuration */ 89 void (*nic_config)(struct iwl_priv *priv); 90 91 /* eeprom operations (as defined in iwl-eeprom.h) */ 92 struct iwl_eeprom_ops eeprom_ops; 93 94 /* temperature */ 95 void (*temperature)(struct iwl_priv *priv); 96}; 97 98/* 99 * @max_ll_items: max number of OTP blocks 100 * @shadow_ram_support: shadow support for OTP memory 101 * @led_compensation: compensate on the led on/off time per HW according 102 * to the deviation to achieve the desired led frequency. 103 * The detail algorithm is described in iwl-led.c 104 * @chain_noise_num_beacons: number of beacons used to compute chain noise 105 * @adv_thermal_throttle: support advance thermal throttle 106 * @support_ct_kill_exit: support ct kill exit condition 107 * @support_wimax_coexist: support wimax/wifi co-exist 108 * @plcp_delta_threshold: plcp error rate threshold used to trigger 109 * radio tuning when there is a high receiving plcp error rate 110 * @chain_noise_scale: default chain noise scale used for gain computation 111 * @wd_timeout: TX queues watchdog timeout 112 * @max_event_log_size: size of event log buffer size for ucode event logging 113 * @shadow_reg_enable: HW shadhow register bit 114 * @no_idle_support: do not support idle mode 115 * @hd_v2: v2 of enhanced sensitivity value, used for 2000 series and up 116 * wd_disable: disable watchdog timer 117 */ 118struct iwl_base_params { 119 int eeprom_size; 120 int num_of_queues; /* def: HW dependent */ 121 int num_of_ampdu_queues;/* def: HW dependent */ 122 /* for iwl_apm_init() */ 123 u32 pll_cfg_val; 124 125 const u16 max_ll_items; 126 const bool shadow_ram_support; 127 u16 led_compensation; 128 bool adv_thermal_throttle; 129 bool support_ct_kill_exit; 130 const bool support_wimax_coexist; 131 u8 plcp_delta_threshold; 132 s32 chain_noise_scale; 133 unsigned int wd_timeout; 134 u32 max_event_log_size; 135 const bool shadow_reg_enable; 136 const bool no_idle_support; 137 const bool hd_v2; 138 const bool wd_disable; 139}; 140/* 141 * @advanced_bt_coexist: support advanced bt coexist 142 * @bt_init_traffic_load: specify initial bt traffic load 143 * @bt_prio_boost: default bt priority boost value 144 * @agg_time_limit: maximum number of uSec in aggregation 145 * @bt_sco_disable: uCode should not response to BT in SCO/ESCO mode 146 */ 147struct iwl_bt_params { 148 bool advanced_bt_coexist; 149 u8 bt_init_traffic_load; 150 u8 bt_prio_boost; 151 u16 agg_time_limit; 152 bool bt_sco_disable; 153 bool bt_session_2; 154}; 155/* 156 * @use_rts_for_aggregation: use rts/cts protection for HT traffic 157 */ 158struct iwl_ht_params { 159 const bool ht_greenfield_support; /* if used set to true */ 160 bool use_rts_for_aggregation; 161 enum ieee80211_smps_mode smps_mode; 162}; 163 164/*************************** 165 * L i b * 166 ***************************/ 167 168void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, struct iwl_rxon_context *ctx, 169 int hw_decrypt); 170int iwl_check_rxon_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx); 171int iwl_full_rxon_required(struct iwl_priv *priv, struct iwl_rxon_context *ctx); 172int iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch, 173 struct iwl_rxon_context *ctx); 174void iwl_set_flags_for_band(struct iwl_priv *priv, 175 struct iwl_rxon_context *ctx, 176 enum ieee80211_band band, 177 struct ieee80211_vif *vif); 178u8 iwl_get_single_channel_number(struct iwl_priv *priv, 179 enum ieee80211_band band); 180void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf); 181bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv, 182 struct iwl_rxon_context *ctx, 183 struct ieee80211_sta_ht_cap *ht_cap); 184void iwl_connection_init_rx_config(struct iwl_priv *priv, 185 struct iwl_rxon_context *ctx); 186void iwl_set_rate(struct iwl_priv *priv); 187int iwl_cmd_echo_test(struct iwl_priv *priv); 188#ifdef CONFIG_IWLWIFI_DEBUGFS 189int iwl_alloc_traffic_mem(struct iwl_priv *priv); 190void iwl_free_traffic_mem(struct iwl_priv *priv); 191void iwl_dbg_log_tx_data_frame(struct iwl_priv *priv, 192 u16 length, struct ieee80211_hdr *header); 193void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv, 194 u16 length, struct ieee80211_hdr *header); 195const char *get_mgmt_string(int cmd); 196const char *get_ctrl_string(int cmd); 197void iwl_clear_traffic_stats(struct iwl_priv *priv); 198void iwl_update_stats(struct iwl_priv *priv, bool is_tx, __le16 fc, 199 u16 len); 200#else 201static inline int iwl_alloc_traffic_mem(struct iwl_priv *priv) 202{ 203 return 0; 204} 205static inline void iwl_free_traffic_mem(struct iwl_priv *priv) 206{ 207} 208static inline void iwl_reset_traffic_log(struct iwl_priv *priv) 209{ 210} 211static inline void iwl_dbg_log_tx_data_frame(struct iwl_priv *priv, 212 u16 length, struct ieee80211_hdr *header) 213{ 214} 215static inline void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv, 216 u16 length, struct ieee80211_hdr *header) 217{ 218} 219static inline void iwl_update_stats(struct iwl_priv *priv, bool is_tx, 220 __le16 fc, u16 len) 221{ 222} 223#endif 224 225/***************************************************** 226* RX 227******************************************************/ 228void iwl_chswitch_done(struct iwl_priv *priv, bool is_success); 229 230void iwl_setup_watchdog(struct iwl_priv *priv); 231/***************************************************** 232 * TX power 233 ****************************************************/ 234int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force); 235 236/******************************************************************************* 237 * Scanning 238 ******************************************************************************/ 239void iwl_init_scan_params(struct iwl_priv *priv); 240int iwl_scan_cancel(struct iwl_priv *priv); 241void iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms); 242void iwl_force_scan_end(struct iwl_priv *priv); 243void iwl_internal_short_hw_scan(struct iwl_priv *priv); 244int iwl_force_reset(struct iwl_priv *priv, int mode, bool external); 245u16 iwl_fill_probe_req(struct iwl_priv *priv, struct ieee80211_mgmt *frame, 246 const u8 *ta, const u8 *ie, int ie_len, int left); 247void iwl_setup_rx_scan_handlers(struct iwl_priv *priv); 248void iwl_setup_scan_deferred_work(struct iwl_priv *priv); 249void iwl_cancel_scan_deferred_work(struct iwl_priv *priv); 250int __must_check iwl_scan_initiate(struct iwl_priv *priv, 251 struct ieee80211_vif *vif, 252 enum iwl_scan_type scan_type, 253 enum ieee80211_band band); 254 255/* For faster active scanning, scan will move to the next channel if fewer than 256 * PLCP_QUIET_THRESH packets are heard on this channel within 257 * ACTIVE_QUIET_TIME after sending probe request. This shortens the dwell 258 * time if it's a quiet channel (nothing responded to our probe, and there's 259 * no other traffic). 260 * Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */ 261#define IWL_ACTIVE_QUIET_TIME cpu_to_le16(10) /* msec */ 262#define IWL_PLCP_QUIET_THRESH cpu_to_le16(1) /* packets */ 263 264#define IWL_SCAN_CHECK_WATCHDOG (HZ * 7) 265 266/***************************************************** 267 * S e n d i n g H o s t C o m m a n d s * 268 *****************************************************/ 269 270void iwl_bg_watchdog(unsigned long data); 271u32 iwl_usecs_to_beacons(struct iwl_priv *priv, u32 usec, u32 beacon_interval); 272__le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base, 273 u32 addon, u32 beacon_interval); 274 275 276/***************************************************** 277* GEOS 278******************************************************/ 279int iwl_init_geos(struct iwl_priv *priv); 280void iwl_free_geos(struct iwl_priv *priv); 281 282extern void iwl_send_bt_config(struct iwl_priv *priv); 283extern int iwl_send_statistics_request(struct iwl_priv *priv, 284 u8 flags, bool clear); 285 286int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx); 287 288static inline const struct ieee80211_supported_band *iwl_get_hw_mode( 289 struct iwl_priv *priv, enum ieee80211_band band) 290{ 291 return priv->hw->wiphy->bands[band]; 292} 293 294static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv) 295{ 296 return cfg(priv)->bt_params && 297 cfg(priv)->bt_params->advanced_bt_coexist; 298} 299 300static inline void iwl_enable_rfkill_int(struct iwl_priv *priv) 301{ 302 IWL_DEBUG_ISR(priv, "Enabling rfkill interrupt\n"); 303 iwl_write32(bus(priv), CSR_INT_MASK, CSR_INT_BIT_RF_KILL); 304} 305 306extern bool bt_siso_mode; 307 308#endif /* __iwl_core_h__ */ 309