| /**************************************************************************** |
| ******* ******* |
| ******* 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 ***********/ |
| |