/**************************************************************************** ******* ******* ******* 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 #ifdef SCCS_LABELS #ifndef lint /* static char *_rio_phb_h_sccs = "@(#)phb.h 1.12"; */ #endif #endif /************************************************* * Set the LIMIT values. ************************************************/ #ifdef RTA #define RX_LIMIT (ushort) 3 #endif #ifdef HOST #define RX_LIMIT (ushort) 1 #endif /************************************************* * 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 ************************************************/ #if defined (HOST) || defined (INKERNEL) #define MAX_PHB ((ushort) 128) /* range 0-127 */ #else #define MAX_PHB ((ushort) 8) /* range 0-7 */ #endif /************************************************* * 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 *************************************************************************/ #ifndef INKERNEL #define src_unit u2.s2.unit #define src_port u2.s2.port #define dest_unit u1.s1.unit #define dest_port u1.s1.port #endif #ifdef HOST #define tx_start u3.s1.tx_start_ptr_ptr #define tx_add u3.s1.tx_add_ptr_ptr #define tx_end u3.s1.tx_end_ptr_ptr #define tx_remove u3.s1.tx_remove_ptr_ptr #define rx_start u4.s1.rx_start_ptr_ptr #define rx_add u4.s1.rx_add_ptr_ptr #define rx_end u4.s1.rx_end_ptr_ptr #define rx_remove u4.s1.rx_remove_ptr_ptr #endif typedef struct PHB PHB ; struct PHB { #ifdef RTA ushort port; #endif #ifdef INKERNEL WORD source; #else union { ushort source; /* Complete source */ struct { unsigned char unit; /* Source unit */ unsigned char port; /* Source port */ } s2; } u2; #endif WORD handshake ; WORD status ; NUMBER timeout ; /* Maximum of 1.9 seconds */ WORD link ; /* Send down this link */ #ifdef INKERNEL WORD destination; #else union { ushort destination; /* Complete destination */ struct { unsigned char unit; /* Destination unit */ unsigned char port; /* Destination port */ } s1; } u1; #endif #ifdef RTA ushort tx_pkts_added; ushort tx_pkts_removed; Q_BUF_ptr tx_q_start ; /* Start of the Q list chain */ short num_tx_q_bufs ; /* Number of Q buffers in the chain */ PKT_ptr_ptr tx_add ; /* Add a new Packet here */ Q_BUF_ptr tx_add_qb; /* Pointer to the add Q buf */ PKT_ptr_ptr tx_add_st_qbb ; /* Pointer to start of the Q's buf */ PKT_ptr_ptr tx_add_end_qbb ; /* Pointer to the end of the Q's buf */ PKT_ptr_ptr tx_remove ; /* Remove a Packet here */ Q_BUF_ptr tx_remove_qb ; /* Pointer to the remove Q buf */ PKT_ptr_ptr tx_remove_st_qbb ; /* Pointer to the start of the Q buf */ PKT_ptr_ptr tx_remove_end_qbb ; /* Pointer to the end of the Q buf */ #endif #ifdef INKERNEL PKT_ptr_ptr tx_start ; PKT_ptr_ptr tx_end ; PKT_ptr_ptr tx_add ; PKT_ptr_ptr tx_remove ; #endif #ifdef HOST union { struct { PKT_ptr_ptr tx_start_ptr_ptr; PKT_ptr_ptr tx_end_ptr_ptr; PKT_ptr_ptr tx_add_ptr_ptr; PKT_ptr_ptr tx_remove_ptr_ptr; } s1; struct { ushort * tx_start_ptr; ushort * tx_end_ptr; ushort * tx_add_ptr; ushort * tx_remove_ptr; } s2; } u3; #endif #ifdef RTA ushort rx_pkts_added; ushort rx_pkts_removed; Q_BUF_ptr rx_q_start ; /* Start of the Q list chain */ short num_rx_q_bufs ; /* Number of Q buffers in the chain */ PKT_ptr_ptr rx_add ; /* Add a new Packet here */ Q_BUF_ptr rx_add_qb ; /* Pointer to the add Q buf */ PKT_ptr_ptr rx_add_st_qbb ; /* Pointer to start of the Q's buf */ PKT_ptr_ptr rx_add_end_qbb ; /* Pointer to the end of the Q's buf */ PKT_ptr_ptr rx_remove ; /* Remove a Packet here */ Q_BUF_ptr rx_remove_qb ; /* Pointer to the remove Q buf */ PKT_ptr_ptr rx_remove_st_qbb ; /* Pointer to the start of the Q buf */ PKT_ptr_ptr rx_remove_end_qbb ; /* Pointer to the end of the Q buf */ #endif #ifdef INKERNEL PKT_ptr_ptr rx_start ; PKT_ptr_ptr rx_end ; PKT_ptr_ptr rx_add ; PKT_ptr_ptr rx_remove ; #endif #ifdef HOST union { struct { PKT_ptr_ptr rx_start_ptr_ptr; PKT_ptr_ptr rx_end_ptr_ptr; PKT_ptr_ptr rx_add_ptr_ptr; PKT_ptr_ptr rx_remove_ptr_ptr; } s1; struct { ushort * rx_start_ptr; ushort * rx_end_ptr; ushort * rx_add_ptr; ushort * rx_remove_ptr; } s2; } u4; #endif #ifdef RTA /* some fields for the remotes */ ushort flush_count; /* Count of write flushes */ ushort txmode; /* Modes for tx */ ushort rxmode; /* Modes for rx */ ushort portmode; /* Generic modes */ ushort column; /* TAB3 column count */ ushort tx_subscript; /* (TX) Subscript into data field */ ushort rx_subscript; /* (RX) Subscript into data field */ PKT_ptr rx_incomplete; /* Hold an incomplete packet here */ ushort modem_bits; /* Modem bits to mask */ ushort lastModem; /* Modem control lines. */ ushort addr; /* Address for sub commands */ ushort MonitorTstate; /* TRUE if monitoring tstop */ #endif } ; #endif /*********** end of file ***********/