Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /**************************************************************************** |
| 2 | ******* ******* |
| 3 | ******* P H B H E A D E R ******* |
| 4 | ******* ******* |
| 5 | **************************************************************************** |
| 6 | |
| 7 | Author : Ian Nandhra, Jeremy Rolls |
| 8 | Date : |
| 9 | |
| 10 | * |
| 11 | * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. |
| 12 | * |
| 13 | * This program is free software; you can redistribute it and/or modify |
| 14 | * it under the terms of the GNU General Public License as published by |
| 15 | * the Free Software Foundation; either version 2 of the License, or |
| 16 | * (at your option) any later version. |
| 17 | * |
| 18 | * This program is distributed in the hope that it will be useful, |
| 19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 21 | * GNU General Public License for more details. |
| 22 | * |
| 23 | * You should have received a copy of the GNU General Public License |
| 24 | * along with this program; if not, write to the Free Software |
| 25 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 26 | |
| 27 | Version : 0.01 |
| 28 | |
| 29 | |
| 30 | Mods |
| 31 | ---------------------------------------------------------------------------- |
| 32 | Date By Description |
| 33 | ---------------------------------------------------------------------------- |
| 34 | |
| 35 | ***************************************************************************/ |
| 36 | |
| 37 | #ifndef _phb_h |
| 38 | #define _phb_h 1 |
| 39 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | /************************************************* |
| 41 | * Handshake asserted. Deasserted by the LTT(s) |
| 42 | ************************************************/ |
Andrew Morton | 8d8706e | 2006-01-11 12:17:49 -0800 | [diff] [blame] | 43 | #define PHB_HANDSHAKE_SET ((ushort) 0x001) /* Set by LRT */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | |
Andrew Morton | 8d8706e | 2006-01-11 12:17:49 -0800 | [diff] [blame] | 45 | #define PHB_HANDSHAKE_RESET ((ushort) 0x002) /* Set by ISR / driver */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 46 | |
| 47 | #define PHB_HANDSHAKE_FLAGS (PHB_HANDSHAKE_RESET | PHB_HANDSHAKE_SET) |
Andrew Morton | 8d8706e | 2006-01-11 12:17:49 -0800 | [diff] [blame] | 48 | /* Reset by ltt */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | |
| 50 | |
| 51 | /************************************************* |
| 52 | * Maximum number of PHB's |
| 53 | ************************************************/ |
Andrew Morton | 8d8706e | 2006-01-11 12:17:49 -0800 | [diff] [blame] | 54 | #define MAX_PHB ((ushort) 128) /* range 0-127 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | |
| 56 | /************************************************* |
| 57 | * Defines for the mode fields |
| 58 | ************************************************/ |
Andrew Morton | 8d8706e | 2006-01-11 12:17:49 -0800 | [diff] [blame] | 59 | #define TXPKT_INCOMPLETE 0x0001 /* Previous tx packet not completed */ |
| 60 | #define TXINTR_ENABLED 0x0002 /* Tx interrupt is enabled */ |
| 61 | #define TX_TAB3 0x0004 /* TAB3 mode */ |
| 62 | #define TX_OCRNL 0x0008 /* OCRNL mode */ |
| 63 | #define TX_ONLCR 0x0010 /* ONLCR mode */ |
| 64 | #define TX_SENDSPACES 0x0020 /* Send n spaces command needs |
| 65 | completing */ |
| 66 | #define TX_SENDNULL 0x0040 /* Escaping NULL needs completing */ |
| 67 | #define TX_SENDLF 0x0080 /* LF -> CR LF needs completing */ |
| 68 | #define TX_PARALLELBUG 0x0100 /* CD1400 LF -> CR LF bug on parallel |
| 69 | port */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | #define TX_HANGOVER (TX_SENDSPACES | TX_SENDLF | TX_SENDNULL) |
| 71 | #define TX_DTRFLOW 0x0200 /* DTR tx flow control */ |
| 72 | #define TX_DTRFLOWED 0x0400 /* DTR is low - don't allow more data |
| 73 | into the FIFO */ |
| 74 | #define TX_DATAINFIFO 0x0800 /* There is data in the FIFO */ |
| 75 | #define TX_BUSY 0x1000 /* Data in FIFO, shift or holding regs */ |
| 76 | |
Andrew Morton | 8d8706e | 2006-01-11 12:17:49 -0800 | [diff] [blame] | 77 | #define RX_SPARE 0x0001 /* SPARE */ |
| 78 | #define RXINTR_ENABLED 0x0002 /* Rx interrupt enabled */ |
| 79 | #define RX_ICRNL 0x0008 /* ICRNL mode */ |
| 80 | #define RX_INLCR 0x0010 /* INLCR mode */ |
| 81 | #define RX_IGNCR 0x0020 /* IGNCR mode */ |
| 82 | #define RX_CTSFLOW 0x0040 /* CTSFLOW enabled */ |
| 83 | #define RX_IXOFF 0x0080 /* IXOFF enabled */ |
| 84 | #define RX_CTSFLOWED 0x0100 /* CTSFLOW and CTS dropped */ |
| 85 | #define RX_IXOFFED 0x0200 /* IXOFF and xoff sent */ |
| 86 | #define RX_BUFFERED 0x0400 /* Try and pass on complete packets */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | |
Andrew Morton | 8d8706e | 2006-01-11 12:17:49 -0800 | [diff] [blame] | 88 | #define PORT_ISOPEN 0x0001 /* Port open? */ |
| 89 | #define PORT_HUPCL 0x0002 /* Hangup on close? */ |
| 90 | #define PORT_MOPENPEND 0x0004 /* Modem open pending */ |
| 91 | #define PORT_ISPARALLEL 0x0008 /* Parallel port */ |
| 92 | #define PORT_BREAK 0x0010 /* Port on break */ |
| 93 | #define PORT_STATUSPEND 0x0020 /* Status packet pending */ |
| 94 | #define PORT_BREAKPEND 0x0040 /* Break packet pending */ |
| 95 | #define PORT_MODEMPEND 0x0080 /* Modem status packet pending */ |
| 96 | #define PORT_PARALLELBUG 0x0100 /* CD1400 LF -> CR LF bug on parallel |
| 97 | port */ |
| 98 | #define PORT_FULLMODEM 0x0200 /* Full modem signals */ |
| 99 | #define PORT_RJ45 0x0400 /* RJ45 connector - no RI signal */ |
| 100 | #define PORT_RESTRICTED 0x0600 /* Restricted connector - no RI / DTR */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 101 | |
Andrew Morton | 8d8706e | 2006-01-11 12:17:49 -0800 | [diff] [blame] | 102 | #define PORT_MODEMBITS 0x0600 /* Mask for modem fields */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | |
Andrew Morton | 8d8706e | 2006-01-11 12:17:49 -0800 | [diff] [blame] | 104 | #define PORT_WCLOSE 0x0800 /* Waiting for close */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 105 | #define PORT_HANDSHAKEFIX 0x1000 /* Port has H/W flow control fix */ |
| 106 | #define PORT_WASPCLOSED 0x2000 /* Port closed with PCLOSE */ |
| 107 | #define DUMPMODE 0x4000 /* Dump RTA mem */ |
| 108 | #define READ_REG 0x8000 /* Read CD1400 register */ |
| 109 | |
| 110 | |
| 111 | |
| 112 | /************************************************************************** |
| 113 | * PHB Structure |
| 114 | * A few words. |
| 115 | * |
| 116 | * Normally Packets are added to the end of the list and removed from |
| 117 | * the start. The pointer tx_add points to a SPACE to put a Packet. |
| 118 | * The pointer tx_remove points to the next Packet to remove |
| 119 | *************************************************************************/ |
Alan Cox | 57c2d60 | 2006-03-24 03:18:31 -0800 | [diff] [blame^] | 120 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | struct PHB { |
Alan Cox | 74769ab | 2006-03-24 03:18:24 -0800 | [diff] [blame] | 122 | u8 source; |
| 123 | u8 handshake; |
| 124 | u8 status; |
| 125 | u16 timeout; /* Maximum of 1.9 seconds */ |
| 126 | u8 link; /* Send down this link */ |
| 127 | u8 destination; |
| 128 | u16 tx_start; |
| 129 | u16 tx_end; |
| 130 | u16 tx_add; |
| 131 | u16 tx_remove; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | |
Alan Cox | 74769ab | 2006-03-24 03:18:24 -0800 | [diff] [blame] | 133 | u16 rx_start; |
| 134 | u16 rx_end; |
| 135 | u16 rx_add; |
| 136 | u16 rx_remove; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 137 | |
Andrew Morton | 8d8706e | 2006-01-11 12:17:49 -0800 | [diff] [blame] | 138 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | |
| 140 | #endif |
| 141 | |
| 142 | /*********** end of file ***********/ |