1 | /*
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2 | ** Copyright 2012 by Kvaser AB, Mölndal, Sweden
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3 | ** http://www.kvaser.com
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4 | **
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5 | ** This software is dual licensed under the following two licenses:
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6 | ** BSD-new and GPLv2. You may use either one. See the included
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7 | ** COPYING file for details.
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8 | **
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9 | ** License: BSD-new
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10 | ** ===============================================================================
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11 | ** Redistribution and use in source and binary forms, with or without
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12 | ** modification, are permitted provided that the following conditions are met:
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13 | ** * Redistributions of source code must retain the above copyright
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14 | ** notice, this list of conditions and the following disclaimer.
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15 | ** * Redistributions in binary form must reproduce the above copyright
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16 | ** notice, this list of conditions and the following disclaimer in the
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17 | ** documentation and/or other materials provided with the distribution.
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18 | ** * Neither the name of the <organization> nor the
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19 | ** names of its contributors may be used to endorse or promote products
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20 | ** derived from this software without specific prior written permission.
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21 | **
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22 | ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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23 | ** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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24 | ** WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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25 | ** DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
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26 | ** DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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27 | ** (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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28 | ** LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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29 | ** ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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30 | ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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31 | ** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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32 | **
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33 | **
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34 | ** License: GPLv2
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35 | ** ===============================================================================
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36 | ** This program is free software; you can redistribute it and/or
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37 | ** modify it under the terms of the GNU General Public License
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38 | ** as published by the Free Software Foundation; either version 2
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39 | ** of the License, or (at your option) any later version.
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40 | **
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41 | ** This program is distributed in the hope that it will be useful,
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42 | ** but WITHOUT ANY WARRANTY; without even the implied warranty of
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43 | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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44 | ** GNU General Public License for more details.
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45 | **
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46 | ** You should have received a copy of the GNU General Public License
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47 | ** along with this program; if not, write to the Free Software
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48 | ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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49 | **
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50 | ** ---------------------------------------------------------------------------
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51 | **/
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52 |
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53 | /* vcanevt.h: Defines for CAN driver event
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54 | * (CAN messages, timer events, statistic, ...)
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55 | */
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56 |
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57 | #ifndef VCANEVT_H
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58 | #define VCANEVT_H
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59 |
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60 | # if !defined(__KERNEL__)
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61 | # include <stdint.h>
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62 | # else
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63 | # include <linux/types.h>
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64 | # endif
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65 |
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66 | /***************************************************************************/
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67 |
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68 | #include <pshpack1.h>
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69 |
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70 | /***************************************************************************/
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71 |
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72 | enum e_vevent_type {
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73 | V_NO_COMMAND = 1,
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74 | V_RECEIVE_MSG = 2,
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75 | V_STATISTIC_STD = 4,
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76 | V_STATISTIC_EXT = 8,
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77 | V_CHIP_STATE = 16,
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78 | V_TRANSCEIVER = 32,
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79 | V_TIMER = 64,
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80 | V_TRANSMIT_MSG = 128,
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81 | };
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82 |
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83 | typedef unsigned char VeventTag;
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84 |
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85 |
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86 | /* Structure for V_RECEIVE_MSG, V_TRANSMIT_MSG */
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87 |
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88 | /* Message flags */
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89 | #define MAX_MSG_LEN 128
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90 | #define EXT_MSG 0x80000000 // signs an extended identifier
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91 | #define VCAN_EXT_MSG_ID EXT_MSG
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92 |
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93 | #define VCAN_MSG_FLAG_ERROR_FRAME 0x01
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94 | #define VCAN_MSG_FLAG_OVERRUN 0x02 /* Overrun in Driver or CAN Controller */
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95 | /* special case: OVERRUN combined with TIMER
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96 | * means the 32 bit timer has overrun
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97 | */
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98 | #define VCAN_MSG_FLAG_NERR 0x04 /* Line Error on Lowspeed */
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99 | #define VCAN_MSG_FLAG_WAKEUP 0x08 /* High Voltage Message on Single Wire CAN */
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100 | #define VCAN_MSG_FLAG_REMOTE_FRAME 0x10
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101 | #define VCAN_MSG_FLAG_RESERVED_1 0x20
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102 | #define VCAN_MSG_FLAG_TX_NOTIFY 0x40 /* Message Transmitted */
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103 | #define VCAN_MSG_FLAG_TXACK 0x40 /* Message Transmitted */
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104 | #define VCAN_MSG_FLAG_TX_START 0x80 /* Transmit Message stored into Controller */
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105 | #define VCAN_MSG_FLAG_TXRQ 0x80 /* Transmit Message stored into Controller */
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106 |
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107 | #define VCAN_MSG_FLAG_EDL 0x100 /* Extended Data Length (CAN FD) */
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108 | #define VCAN_MSG_FLAG_BRS 0x200 /* Bit Rate Switch (CAN FD) */
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109 | #define VCAN_MSG_FLAG_ESI 0x400 /* Error Status Indication (CAN FD) */
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110 |
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111 |
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112 |
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113 | struct s_vcan_msg { /* 14 Bytes */
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114 | uint32_t id;
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115 | unsigned short int flags;
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116 | unsigned char dlc;
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117 | unsigned char data[MAX_MSG_LEN];
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118 | };
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119 |
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120 |
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121 | /* Structure for V_CHIP_STATE */
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122 |
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123 | #define CHIPSTAT_BUSOFF 0x01
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124 | #define CHIPSTAT_ERROR_PASSIVE 0x02
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125 | #define CHIPSTAT_ERROR_WARNING 0x04
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126 | #define CHIPSTAT_ERROR_ACTIVE 0x08
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127 |
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128 | struct s_vcan_chip_state {
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129 | unsigned char busStatus;
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130 | unsigned char txErrorCounter;
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131 | unsigned char rxErrorCounter;
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132 | };
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133 |
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134 |
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135 | /* Structure for V_STATISTIC_STD */
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136 | struct s_vcan_statistic_std {
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137 | uint32_t stdData;
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138 | uint32_t stdRemote;
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139 | uint32_t errFrame;
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140 | unsigned short busLoad; // 0.00-100.00%
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141 | };
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142 |
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143 |
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144 | /* Structure for V_STATISTIC_EXT */
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145 | struct s_vcan_statistic_ext {
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146 | uint32_t extData;
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147 | uint32_t extRemote;
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148 | uint32_t ovrFrame;
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149 | };
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150 |
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151 |
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152 | /* Structure for V_ERROR */
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153 | struct s_vcan_error {
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154 | unsigned char code;
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155 | };
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156 |
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157 |
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158 | /* Structure for SET_OUTPUT_MODE */
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159 | #define OUTPUT_MODE_SILENT 0
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160 | #define OUTPUT_MODE_NORMAL 1
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161 |
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162 |
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163 | /* Transceiver modes */
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164 | #define TRANSCEIVER_EVENT_ERROR 1
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165 | #define TRANSCEIVER_EVENT_CHANGED 2
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166 |
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167 |
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168 |
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169 | /* Transceiver modes */
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170 | #define VCAN_TRANSCEIVER_LINEMODE_NA 0 // Not Affected/Not available.
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171 | #define VCAN_TRANSCEIVER_LINEMODE_TWO_LINE 1 // W210 two-line.
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172 | #define VCAN_TRANSCEIVER_LINEMODE_CAN_H 2 // W210 single-line CAN_H
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173 | #define VCAN_TRANSCEIVER_LINEMODE_CAN_L 3 // W210 single-line CAN_L
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174 | #define VCAN_TRANSCEIVER_LINEMODE_SWC_SLEEP 4 // SWC Sleep Mode.
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175 | #define VCAN_TRANSCEIVER_LINEMODE_SWC_NORMAL 5 // SWC Normal Mode.
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176 | #define VCAN_TRANSCEIVER_LINEMODE_SWC_FAST 6 // SWC High-Speed Mode.
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177 | #define VCAN_TRANSCEIVER_LINEMODE_SWC_WAKEUP 7 // SWC Wakeup Mode.
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178 | #define VCAN_TRANSCEIVER_LINEMODE_SLEEP 8 // Sleep mode for those supporting it.
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179 | #define VCAN_TRANSCEIVER_LINEMODE_NORMAL 9 // Normal mode (the inverse of sleep mode) for those supporting it.
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180 | #define VCAN_TRANSCEIVER_LINEMODE_STDBY 10 // Standby for those who support it
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181 | #define VCAN_TRANSCEIVER_LINEMODE_TT_CAN_H 11 // Truck & Trailer: operating mode single wire using CAN high
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182 | #define VCAN_TRANSCEIVER_LINEMODE_TT_CAN_L 12 // Truck & Trailer: operating mode single wire using CAN low
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183 | #define VCAN_TRANSCEIVER_LINEMODE_OEM1 13 // Reserved for OEM apps
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184 | #define VCAN_TRANSCEIVER_LINEMODE_OEM2 14 // Reserved for OEM apps
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185 | #define VCAN_TRANSCEIVER_LINEMODE_OEM3 15 // Reserved for OEM apps
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186 | #define VCAN_TRANSCEIVER_LINEMODE_OEM4 16 // Reserved for OEM apps
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187 |
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188 |
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189 | #define VCAN_TRANSCEIVER_RESNET_NA 0
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190 | #define VCAN_TRANSCEIVER_RESNET_MASTER 1
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191 | #define VCAN_TRANSCEIVER_RESNET_MASTER_STBY 2
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192 | #define VCAN_TRANSCEIVER_RESNET_SLAVE 3
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193 |
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194 |
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195 | /* VCAN_EVENT structure */
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196 | union s_vcan_tag_data {
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197 | struct s_vcan_msg msg;
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198 | struct s_vcan_chip_state chipState;
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199 | struct s_vcan_statistic_std statisticStd;
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200 | struct s_vcan_statistic_ext statisticExt;
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201 | struct s_vcan_error error;
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202 | };
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203 |
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204 |
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205 | /* Event type definition */
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206 | struct s_vcan_event {
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207 | VeventTag tag; // 1
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208 | unsigned char chanIndex; // 1
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209 | unsigned char transId; // 1
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210 | unsigned char unused_1; // 1 internal use only !!!!
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211 | uint32_t timeStamp; // 4
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212 | union s_vcan_tag_data
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213 | tagData; // 14 Bytes (_VMessage)
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214 | };
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215 | // --------
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216 | // 22 Bytes
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217 |
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218 | typedef struct s_vcan_event VCAN_EVENT, Vevent, *PVevent;
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219 |
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220 |
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221 | typedef struct s_can_msg {
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222 | VeventTag tag;
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223 | unsigned char channel_index;
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224 | unsigned char user_data;
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225 | unsigned char unused_1;
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226 | uint32_t timestamp;
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227 | uint32_t id;
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228 | unsigned short int flags;
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229 | unsigned char length;
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230 | unsigned char data [MAX_MSG_LEN];
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231 | } CAN_MSG;
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232 |
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233 |
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234 | /*****************************************************************************/
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235 |
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236 | #include <poppack.h>
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237 |
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238 | /*****************************************************************************/
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239 |
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240 | #endif /* VCANEVT_H */
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241 |
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