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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [char/] [rio/] [protsts.h] - Blame information for rev 1765

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1 1275 phoenix
/****************************************************************************
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 *******                                                              *******
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 *******      P R O T O C O L    S T A T U S   S T R U C T U R E      *******
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 *******                                                              *******
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 ****************************************************************************
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 Author  : Ian Nandhra / Jeremy Rolls
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 Date    :
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 *
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 *  (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
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 *
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 *      This program is free software; you can redistribute it and/or modify
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 *      it under the terms of the GNU General Public License as published by
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 *      the Free Software Foundation; either version 2 of the License, or
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 *      (at your option) any later version.
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 *
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 *      This program is distributed in the hope that it will be useful,
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 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *      GNU General Public License for more details.
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 *
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 *      You should have received a copy of the GNU General Public License
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 *      along with this program; if not, write to the Free Software
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 *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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 Version : 0.01
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                            Mods
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 ----------------------------------------------------------------------------
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  Date     By                Description
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 ----------------------------------------------------------------------------
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 ***************************************************************************/
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#ifndef _protsts_h
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#define _protsts_h 1
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#ifdef SCCS_LABELS
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#ifndef lint
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/* static char *_rio_protsts_h_sccs = "@(#)protsts.h    1.4"; */
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#endif
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#endif
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/*************************************************
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 * ACK bit. Last Packet received OK. Set by
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 * rxpkt to indicate that the Packet has been
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 * received OK and that the LTT must set the ACK
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 * bit in the next outward bound Packet
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 * and re-set by LTT's after xmit.
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 *
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 * Gets shoved into rx_status
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 ************************************************/
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#define PHB_RX_LAST_PKT_ACKED    ((ushort) 0x080)
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/*******************************************************
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 * The Rx TOGGLE bit.
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 * Stuffed into rx_status by RXPKT
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 ******************************************************/
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#define PHB_RX_DATA_WNDW         ((ushort) 0x040)
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/*******************************************************
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 * The Rx TOGGLE bit. Matches the setting in PKT.H
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 * Stuffed into rx_status
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 ******************************************************/
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#define PHB_RX_TGL               ((ushort) 0x2000)
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/*************************************************
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 * This bit is set by the LRT to indicate that
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 * an ACK (packet) must be returned.
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 *
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 * Gets shoved into tx_status
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 ************************************************/
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#define PHB_TX_SEND_PKT_ACK      ((ushort) 0x08)
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/*************************************************
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 * Set by LTT to indicate that an ACK is required
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 *************************************************/
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#define PHB_TX_ACK_RQRD         ((ushort) 0x01)
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/*******************************************************
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 * The Tx TOGGLE bit.
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 * Stuffed into tx_status by RXPKT from the PKT WndW
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 * field. Looked by the LTT when the NEXT Packet
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 * is going to be sent.
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 ******************************************************/
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#define PHB_TX_DATA_WNDW         ((ushort) 0x04)
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/*******************************************************
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 * The Tx TOGGLE bit. Matches the setting in PKT.H
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 * Stuffed into tx_status
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 ******************************************************/
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#define PHB_TX_TGL               ((ushort) 0x02)
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/*******************************************************
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 * Request intr bit. Set when the queue has gone quiet
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 * and the PHB has requested an interrupt.
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 ******************************************************/
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#define PHB_TX_INTR             ((ushort) 0x100)
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/*******************************************************
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 * SET if the PHB cannot send any more data down the
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 * Link
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 ******************************************************/
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#define PHB_TX_HANDSHAKE         ((ushort) 0x010)
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#define RUP_SEND_WNDW            ((ushort) 0x08) ;
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#endif
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/*********** end of file ***********/
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