patch-2.3.99-pre7 linux/drivers/char/rio/phb.h
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- Lines: 294
- Date:
Wed May 10 16:56:43 2000
- Orig file:
v2.3.99-pre6/linux/drivers/char/rio/phb.h
- Orig date:
Wed Dec 31 16:00:00 1969
diff -u --recursive --new-file v2.3.99-pre6/linux/drivers/char/rio/phb.h linux/drivers/char/rio/phb.h
@@ -0,0 +1,293 @@
+/****************************************************************************
+ ******* *******
+ ******* 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 ***********/
+
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