1 // SPDX-License-Identifier: GPL-2.0+ 2 /************************************************************************ 3 * 4 * io_edgeport.h Edgeport Linux Interface definitions 5 * 6 * Copyright (C) 2000 Inside Out Networks, Inc. 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * 14 ************************************************************************/ 15 16 #if !defined(_IO_EDGEPORT_H_) 17 #define _IO_EDGEPORT_H_ 18 19 20 #define MAX_RS232_PORTS 8 /* Max # of RS-232 ports per device */ 21 22 /* typedefs that the insideout headers need */ 23 #ifndef LOW8 24 #define LOW8(a) ((unsigned char)(a & 0xff)) 25 #endif 26 #ifndef HIGH8 27 #define HIGH8(a) ((unsigned char)((a & 0xff00) >> 8)) 28 #endif 29 30 #ifndef __KERNEL__ 31 #define __KERNEL__ 32 #endif 33 34 #include "io_usbvend.h" 35 36 37 38 /* The following table is used to map the USBx port number to 39 * the device serial number (or physical USB path), */ 40 #define MAX_EDGEPORTS 64 41 42 struct comMapper { 43 char SerialNumber[MAX_SERIALNUMBER_LEN+1]; /* Serial number/usb path */ 44 int numPorts; /* Number of ports */ 45 int Original[MAX_RS232_PORTS]; /* Port numbers set by IOCTL */ 46 int Port[MAX_RS232_PORTS]; /* Actual used port numbers */ 47 }; 48 49 50 #define EDGEPORT_CONFIG_DEVICE "/proc/edgeport" 51 52 /* /proc/edgeport Interface 53 * This interface uses read/write/lseek interface to talk to the edgeport driver 54 * the following read functions are supported: */ 55 #define PROC_GET_MAPPING_TO_PATH 1 56 #define PROC_GET_COM_ENTRY 2 57 #define PROC_GET_EDGE_MANUF_DESCRIPTOR 3 58 #define PROC_GET_BOOT_DESCRIPTOR 4 59 #define PROC_GET_PRODUCT_INFO 5 60 #define PROC_GET_STRINGS 6 61 #define PROC_GET_CURRENT_COM_MAPPING 7 62 63 /* The parameters to the lseek() for the read is: */ 64 #define PROC_READ_SETUP(Command, Argument) ((Command) + ((Argument)<<8)) 65 66 67 /* the following write functions are supported: */ 68 #define PROC_SET_COM_MAPPING 1 69 #define PROC_SET_COM_ENTRY 2 70 71 72 /* The following structure is passed to the write */ 73 struct procWrite { 74 int Command; 75 union { 76 struct comMapper Entry; 77 int ComMappingBasedOnUSBPort; /* Boolean value */ 78 } u; 79 }; 80 81 /* 82 * Product information read from the Edgeport 83 */ 84 struct edgeport_product_info { 85 __u16 ProductId; /* Product Identifier */ 86 __u8 NumPorts; /* Number of ports on edgeport */ 87 __u8 ProdInfoVer; /* What version of structure is this? */ 88 89 __u32 IsServer :1; /* Set if Server */ 90 __u32 IsRS232 :1; /* Set if RS-232 ports exist */ 91 __u32 IsRS422 :1; /* Set if RS-422 ports exist */ 92 __u32 IsRS485 :1; /* Set if RS-485 ports exist */ 93 __u32 IsReserved :28; /* Reserved for later expansion */ 94 95 __u8 RomSize; /* Size of ROM/E2PROM in K */ 96 __u8 RamSize; /* Size of external RAM in K */ 97 __u8 CpuRev; /* CPU revision level (chg only if s/w visible) */ 98 __u8 BoardRev; /* PCB revision level (chg only if s/w visible) */ 99 100 __u8 BootMajorVersion; /* Boot Firmware version: xx. */ 101 __u8 BootMinorVersion; /* yy. */ 102 __le16 BootBuildNumber; /* zzzz (LE format) */ 103 104 __u8 FirmwareMajorVersion; /* Operational Firmware version:xx. */ 105 __u8 FirmwareMinorVersion; /* yy. */ 106 __le16 FirmwareBuildNumber; /* zzzz (LE format) */ 107 108 __u8 ManufactureDescDate[3]; /* MM/DD/YY when descriptor template was compiled */ 109 __u8 HardwareType; 110 111 __u8 iDownloadFile; /* What to download to EPiC device */ 112 __u8 EpicVer; /* What version of EPiC spec this device supports */ 113 114 struct edge_compatibility_bits Epic; 115 }; 116 117 /* 118 * Edgeport Stringblock String locations 119 */ 120 #define EDGESTRING_MANUFNAME 1 /* Manufacture Name */ 121 #define EDGESTRING_PRODNAME 2 /* Product Name */ 122 #define EDGESTRING_SERIALNUM 3 /* Serial Number */ 123 #define EDGESTRING_ASSEMNUM 4 /* Assembly Number */ 124 #define EDGESTRING_OEMASSEMNUM 5 /* OEM Assembly Number */ 125 #define EDGESTRING_MANUFDATE 6 /* Manufacture Date */ 126 #define EDGESTRING_ORIGSERIALNUM 7 /* Serial Number */ 127 128 struct string_block { 129 __u16 NumStrings; /* Number of strings in block */ 130 __u16 Strings[1]; /* Start of string block */ 131 }; 132 133 134 135 #endif 136