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