drivers/net/wireless/iwlwifi/iwl-core.h

   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 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  * Tomas Winkler <tomas.winkler@intel.com>
  29  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  30  *
  31  * BSD LICENSE
  32  *
  33  * Copyright(c) 2005 - 2008 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 /************************
  67  * forward declarations *
  68  ************************/
  69 struct iwl_host_cmd;
  70 struct iwl_cmd;
  71
  72
  73 #define IWLWIFI_VERSION "1.2.26k"
  74 #define DRV_COPYRIGHT   "Copyright(c) 2003-2008 Intel Corporation"
  75
  76 #define IWL_PCI_DEVICE(dev, subdev, cfg) \
  77         .vendor = PCI_VENDOR_ID_INTEL,  .device = (dev), \
  78         .subvendor = PCI_ANY_ID, .subdevice = (subdev), \
  79         .driver_data = (kernel_ulong_t)&(cfg)
  80
  81 #define IWL_SKU_G       0x1
  82 #define IWL_SKU_A       0x2
  83 #define IWL_SKU_N       0x8
  84
  85 struct iwl_hcmd_utils_ops {
  86         int (*enqueue_hcmd)(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
  87 };
  88
  89 struct iwl_lib_ops {
  90         /* iwlwifi driver (priv) init */
  91         int (*init_drv)(struct iwl_priv *priv);
  92
  93         void (*txq_update_byte_cnt_tbl)(struct iwl_priv *priv,
  94                                         struct iwl4965_tx_queue *txq,
  95                                         u16 byte_cnt);
  96         /* nic init */
  97         int (*hw_nic_init)(struct iwl_priv *priv);
  98         /* alive notification */
  99         int (*alive_notify)(struct iwl_priv *priv);
 100         /* check validity of rtc data address */
 101         int (*is_valid_rtc_data_addr)(u32 addr);
 102         /* 1st ucode load */
 103         int (*load_ucode)(struct iwl_priv *priv);
 104         /* rfkill */
 105         void (*radio_kill_sw)(struct iwl_priv *priv, int disable_radio);
 106         /* eeprom operations (as defined in iwl-eeprom.h) */
 107         struct iwl_eeprom_ops eeprom_ops;
 108 };
 109
 110 struct iwl_ops {
 111         const struct iwl_lib_ops *lib;
 112         const struct iwl_hcmd_utils_ops *utils;
 113 };
 114
 115 struct iwl_mod_params {
 116         int disable;            /* def: 0 = enable radio */
 117         int hw_crypto;          /* def: 0 = using software encryption */
 118         int debug;              /* def: 0 = minimal debug log messages */
 119         int disable_hw_scan;    /* def: 0 = use h/w scan */
 120         int num_of_queues;      /* def: HW dependent */
 121         int enable_qos;         /* def: 1 = use quality of service */
 122         int amsdu_size_8K;      /* def: 1 = enable 8K amsdu size */
 123         int antenna;            /* def: 0 = both antennas (use diversity) */
 124 };
 125
 126 struct iwl_cfg {
 127         const char *name;
 128         const char *fw_name;
 129         unsigned int sku;
 130         const struct iwl_ops *ops;
 131         const struct iwl_mod_params *mod_params;
 132 };
 133
 134 /***************************
 135  *   L i b                 *
 136  ***************************/
 137
 138 struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg,
 139                 struct ieee80211_ops *hw_ops);
 140
 141 void iwlcore_clear_stations_table(struct iwl_priv *priv);
 142 void iwlcore_reset_qos(struct iwl_priv *priv);
 143 int iwlcore_set_rxon_channel(struct iwl_priv *priv,
 144                                 enum ieee80211_band band,
 145                                 u16 channel);
 146
 147 int iwl_setup(struct iwl_priv *priv);
 148
 149 /*****************************************************
 150  *   S e n d i n g     H o s t     C o m m a n d s   *
 151  *****************************************************/
 152
 153 const char *get_cmd_string(u8 cmd);
 154 int __must_check iwl_send_cmd_sync(struct iwl_priv *priv,
 155                                    struct iwl_host_cmd *cmd);
 156 int iwl_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
 157 int __must_check iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id,
 158                                   u16 len, const void *data);
 159 int iwl_send_cmd_pdu_async(struct iwl_priv *priv, u8 id, u16 len,
 160                            const void *data,
 161                            int (*callback)(struct iwl_priv *priv,
 162                                            struct iwl_cmd *cmd,
 163                                            struct sk_buff *skb));
 164 /*************** DRIVER STATUS FUNCTIONS   *****/
 165
 166 #define STATUS_HCMD_ACTIVE      0       /* host command in progress */
 167 #define STATUS_HCMD_SYNC_ACTIVE 1       /* sync host command in progress */
 168 #define STATUS_INT_ENABLED      2
 169 #define STATUS_RF_KILL_HW       3
 170 #define STATUS_RF_KILL_SW       4
 171 #define STATUS_INIT             5
 172 #define STATUS_ALIVE            6
 173 #define STATUS_READY            7
 174 #define STATUS_TEMPERATURE      8
 175 #define STATUS_GEO_CONFIGURED   9
 176 #define STATUS_EXIT_PENDING     10
 177 #define STATUS_IN_SUSPEND       11
 178 #define STATUS_STATISTICS       12
 179 #define STATUS_SCANNING         13
 180 #define STATUS_SCAN_ABORTING    14
 181 #define STATUS_SCAN_HW          15
 182 #define STATUS_POWER_PMI        16
 183 #define STATUS_FW_ERROR         17
 184 #define STATUS_CONF_PENDING     18
 185
 186
 187 static inline int iwl_is_ready(struct iwl_priv *priv)
 188 {
 189         /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are
 190          * set but EXIT_PENDING is not */
 191         return test_bit(STATUS_READY, &priv->status) &&
 192                test_bit(STATUS_GEO_CONFIGURED, &priv->status) &&
 193                !test_bit(STATUS_EXIT_PENDING, &priv->status);
 194 }
 195
 196 static inline int iwl_is_alive(struct iwl_priv *priv)
 197 {
 198         return test_bit(STATUS_ALIVE, &priv->status);
 199 }
 200
 201 static inline int iwl_is_init(struct iwl_priv *priv)
 202 {
 203         return test_bit(STATUS_INIT, &priv->status);
 204 }
 205
 206 static inline int iwl_is_rfkill(struct iwl_priv *priv)
 207 {
 208         return test_bit(STATUS_RF_KILL_HW, &priv->status) ||
 209                test_bit(STATUS_RF_KILL_SW, &priv->status);
 210 }
 211
 212 static inline int iwl_is_ready_rf(struct iwl_priv *priv)
 213 {
 214
 215         if (iwl_is_rfkill(priv))
 216                 return 0;
 217
 218         return iwl_is_ready(priv);
 219 }
 220
 221
 222 enum iwlcore_card_notify {
 223         IWLCORE_INIT_EVT = 0,
 224         IWLCORE_START_EVT = 1,
 225         IWLCORE_STOP_EVT = 2,
 226         IWLCORE_REMOVE_EVT = 3,
 227 };
 228
 229 int iwlcore_low_level_notify(struct iwl_priv *priv,
 230                              enum iwlcore_card_notify notify);
 231 extern int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags);
 232
 233 #endif /* __iwl_core_h__ */