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