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 - 2014 Intel Corporation. All rights reserved. 9 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of version 2 of the GNU General Public License as 13 * published by the Free Software Foundation. 14 * 15 * This program is distributed in the hope that it will be useful, but 16 * WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 * General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 23 * USA 24 * 25 * The full GNU General Public License is included in this distribution 26 * in the file called COPYING. 27 * 28 * Contact Information: 29 * Intel Linux Wireless <linuxwifi@intel.com> 30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 31 * 32 * BSD LICENSE 33 * 34 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. 35 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH 36 * All rights reserved. 37 * 38 * Redistribution and use in source and binary forms, with or without 39 * modification, are permitted provided that the following conditions 40 * are met: 41 * 42 * * Redistributions of source code must retain the above copyright 43 * notice, this list of conditions and the following disclaimer. 44 * * Redistributions in binary form must reproduce the above copyright 45 * notice, this list of conditions and the following disclaimer in 46 * the documentation and/or other materials provided with the 47 * distribution. 48 * * Neither the name Intel Corporation nor the names of its 49 * contributors may be used to endorse or promote products derived 50 * from this software without specific prior written permission. 51 * 52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 63 *****************************************************************************/ 64 65 #ifndef __iwl_drv_h__ 66 #define __iwl_drv_h__ 67 #include <linux/export.h> 68 69 /* for all modules */ 70 #define DRV_NAME "iwlwifi" 71 #define DRV_COPYRIGHT "Copyright(c) 2003- 2015 Intel Corporation" 72 #define DRV_AUTHOR "<linuxwifi@intel.com>" 73 74 /* radio config bits (actual values from NVM definition) */ 75 #define NVM_RF_CFG_DASH_MSK(x) (x & 0x3) /* bits 0-1 */ 76 #define NVM_RF_CFG_STEP_MSK(x) ((x >> 2) & 0x3) /* bits 2-3 */ 77 #define NVM_RF_CFG_TYPE_MSK(x) ((x >> 4) & 0x3) /* bits 4-5 */ 78 #define NVM_RF_CFG_PNUM_MSK(x) ((x >> 6) & 0x3) /* bits 6-7 */ 79 #define NVM_RF_CFG_TX_ANT_MSK(x) ((x >> 8) & 0xF) /* bits 8-11 */ 80 #define NVM_RF_CFG_RX_ANT_MSK(x) ((x >> 12) & 0xF) /* bits 12-15 */ 81 82 #define NVM_RF_CFG_FLAVOR_MSK_FAMILY_8000(x) (x & 0xF) 83 #define NVM_RF_CFG_DASH_MSK_FAMILY_8000(x) ((x >> 4) & 0xF) 84 #define NVM_RF_CFG_STEP_MSK_FAMILY_8000(x) ((x >> 8) & 0xF) 85 #define NVM_RF_CFG_TYPE_MSK_FAMILY_8000(x) ((x >> 12) & 0xFFF) 86 #define NVM_RF_CFG_TX_ANT_MSK_FAMILY_8000(x) ((x >> 24) & 0xF) 87 #define NVM_RF_CFG_RX_ANT_MSK_FAMILY_8000(x) ((x >> 28) & 0xF) 88 89 /** 90 * DOC: Driver system flows - drv component 91 * 92 * This component implements the system flows such as bus enumeration, bus 93 * removal. Bus dependent parts of system flows (such as iwl_pci_probe) are in 94 * bus specific files (transport files). This is the code that is common among 95 * different buses. 96 * 97 * This component is also in charge of managing the several implementations of 98 * the wifi flows: it will allow to have several fw API implementation. These 99 * different implementations will differ in the way they implement mac80211's 100 * handlers too. 101 102 * The init flow wrt to the drv component looks like this: 103 * 1) The bus specific component is called from module_init 104 * 2) The bus specific component registers the bus driver 105 * 3) The bus driver calls the probe function 106 * 4) The bus specific component configures the bus 107 * 5) The bus specific component calls to the drv bus agnostic part 108 * (iwl_drv_start) 109 * 6) iwl_drv_start fetches the fw ASYNC, iwl_req_fw_callback 110 * 7) iwl_req_fw_callback parses the fw file 111 * 8) iwl_req_fw_callback starts the wifi implementation to matches the fw 112 */ 113 114 struct iwl_drv; 115 struct iwl_trans; 116 struct iwl_cfg; 117 /** 118 * iwl_drv_start - start the drv 119 * 120 * @trans_ops: the ops of the transport 121 * @cfg: device specific constants / virtual functions 122 * 123 * starts the driver: fetches the firmware. This should be called by bus 124 * specific system flows implementations. For example, the bus specific probe 125 * function should do bus related operations only, and then call to this 126 * function. It returns the driver object or %NULL if an error occurred. 127 */ 128 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans, 129 const struct iwl_cfg *cfg); 130 131 /** 132 * iwl_drv_stop - stop the drv 133 * 134 * @drv: 135 * 136 * Stop the driver. This should be called by bus specific system flows 137 * implementations. For example, the bus specific remove function should first 138 * call this function and then do the bus related operations only. 139 */ 140 void iwl_drv_stop(struct iwl_drv *drv); 141 142 /* 143 * exported symbol management 144 * 145 * The driver can be split into multiple modules, in which case some symbols 146 * must be exported for the sub-modules. However, if it's not split and 147 * everything is built-in, then we can avoid that. 148 */ 149 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR 150 #define IWL_EXPORT_SYMBOL(sym) EXPORT_SYMBOL_GPL(sym) 151 #else 152 #define IWL_EXPORT_SYMBOL(sym) 153 #endif 154 155 #endif /* __iwl_drv_h__ */ 156