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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | /**************************************************************************** ******* ******* ******* P H B H E A D E R ******* ******* ******* **************************************************************************** Author : Ian Nandhra, Jeremy Rolls Date : * * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. Version : 0.01 Mods ---------------------------------------------------------------------------- Date By Description ---------------------------------------------------------------------------- ***************************************************************************/ #ifndef _phb_h #define _phb_h 1 /************************************************* * Handshake asserted. Deasserted by the LTT(s) ************************************************/ #define PHB_HANDSHAKE_SET ((ushort) 0x001) /* Set by LRT */ #define PHB_HANDSHAKE_RESET ((ushort) 0x002) /* Set by ISR / driver */ #define PHB_HANDSHAKE_FLAGS (PHB_HANDSHAKE_RESET | PHB_HANDSHAKE_SET) /* Reset by ltt */ /************************************************* * Maximum number of PHB's ************************************************/ #define MAX_PHB ((ushort) 128) /* range 0-127 */ /************************************************* * Defines for the mode fields ************************************************/ #define TXPKT_INCOMPLETE 0x0001 /* Previous tx packet not completed */ #define TXINTR_ENABLED 0x0002 /* Tx interrupt is enabled */ #define TX_TAB3 0x0004 /* TAB3 mode */ #define TX_OCRNL 0x0008 /* OCRNL mode */ #define TX_ONLCR 0x0010 /* ONLCR mode */ #define TX_SENDSPACES 0x0020 /* Send n spaces command needs completing */ #define TX_SENDNULL 0x0040 /* Escaping NULL needs completing */ #define TX_SENDLF 0x0080 /* LF -> CR LF needs completing */ #define TX_PARALLELBUG 0x0100 /* CD1400 LF -> CR LF bug on parallel port */ #define TX_HANGOVER (TX_SENDSPACES | TX_SENDLF | TX_SENDNULL) #define TX_DTRFLOW 0x0200 /* DTR tx flow control */ #define TX_DTRFLOWED 0x0400 /* DTR is low - don't allow more data into the FIFO */ #define TX_DATAINFIFO 0x0800 /* There is data in the FIFO */ #define TX_BUSY 0x1000 /* Data in FIFO, shift or holding regs */ #define RX_SPARE 0x0001 /* SPARE */ #define RXINTR_ENABLED 0x0002 /* Rx interrupt enabled */ #define RX_ICRNL 0x0008 /* ICRNL mode */ #define RX_INLCR 0x0010 /* INLCR mode */ #define RX_IGNCR 0x0020 /* IGNCR mode */ #define RX_CTSFLOW 0x0040 /* CTSFLOW enabled */ #define RX_IXOFF 0x0080 /* IXOFF enabled */ #define RX_CTSFLOWED 0x0100 /* CTSFLOW and CTS dropped */ #define RX_IXOFFED 0x0200 /* IXOFF and xoff sent */ #define RX_BUFFERED 0x0400 /* Try and pass on complete packets */ #define PORT_ISOPEN 0x0001 /* Port open? */ #define PORT_HUPCL 0x0002 /* Hangup on close? */ #define PORT_MOPENPEND 0x0004 /* Modem open pending */ #define PORT_ISPARALLEL 0x0008 /* Parallel port */ #define PORT_BREAK 0x0010 /* Port on break */ #define PORT_STATUSPEND 0x0020 /* Status packet pending */ #define PORT_BREAKPEND 0x0040 /* Break packet pending */ #define PORT_MODEMPEND 0x0080 /* Modem status packet pending */ #define PORT_PARALLELBUG 0x0100 /* CD1400 LF -> CR LF bug on parallel port */ #define PORT_FULLMODEM 0x0200 /* Full modem signals */ #define PORT_RJ45 0x0400 /* RJ45 connector - no RI signal */ #define PORT_RESTRICTED 0x0600 /* Restricted connector - no RI / DTR */ #define PORT_MODEMBITS 0x0600 /* Mask for modem fields */ #define PORT_WCLOSE 0x0800 /* Waiting for close */ #define PORT_HANDSHAKEFIX 0x1000 /* Port has H/W flow control fix */ #define PORT_WASPCLOSED 0x2000 /* Port closed with PCLOSE */ #define DUMPMODE 0x4000 /* Dump RTA mem */ #define READ_REG 0x8000 /* Read CD1400 register */ /************************************************************************** * PHB Structure * A few words. * * Normally Packets are added to the end of the list and removed from * the start. The pointer tx_add points to a SPACE to put a Packet. * The pointer tx_remove points to the next Packet to remove *************************************************************************/ struct PHB { u8 source; u8 handshake; u8 status; u16 timeout; /* Maximum of 1.9 seconds */ u8 link; /* Send down this link */ u8 destination; u16 tx_start; u16 tx_end; u16 tx_add; u16 tx_remove; u16 rx_start; u16 rx_end; u16 rx_add; u16 rx_remove; }; #endif /*********** end of file ***********/ |