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+/*****************************************************************************/
+
+/*
+ * cdk.h -- CDK interface definitions.
+ *
+ * Copyright (C) 1996-1998 Stallion Technologies
+ * Copyright (C) 1994-1996 Greg Ungerer.
+ *
+ * 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.
+ */
+
+/*****************************************************************************/
+#ifndef _CDK_H
+#define _CDK_H
+/*****************************************************************************/
+
+#pragma pack(2)
+
+/*
+ * The following set of definitions is used to communicate with the
+ * shared memory interface of the Stallion intelligent multiport serial
+ * boards. The definitions in this file are taken directly from the
+ * document titled "Generic Stackable Interface, Downloader and
+ * Communications Development Kit".
+ */
+
+/*
+ * Define the set of important shared memory addresses. These are
+ * required to initialize the board and get things started. All of these
+ * addresses are relative to the start of the shared memory.
+ */
+#define CDK_SIGADDR 0x200
+#define CDK_FEATADDR 0x280
+#define CDK_CDKADDR 0x300
+#define CDK_RDYADDR 0x262
+
+#define CDK_ALIVEMARKER 13
+
+/*
+ * On hardware power up the ROMs located on the EasyConnection 8/64 will
+ * fill out the following signature information into shared memory. This
+ * way the host system can quickly determine that the board is present
+ * and is operational.
+ */
+typedef struct cdkecpsig {
+ unsigned long magic;
+ unsigned short romver;
+ unsigned short cputype;
+ unsigned char panelid[8];
+} cdkecpsig_t;
+
+#define ECP_MAGIC 0x21504345
+
+/*
+ * On hardware power up the ROMs located on the ONboard, Stallion and
+ * Brumbys will fill out the following signature information into shared
+ * memory. This way the host system can quickly determine that the board
+ * is present and is operational.
+ */
+typedef struct cdkonbsig {
+ unsigned short magic0;
+ unsigned short magic1;
+ unsigned short magic2;
+ unsigned short magic3;
+ unsigned short romver;
+ unsigned short memoff;
+ unsigned short memseg;
+ unsigned short amask0;
+ unsigned short pic;
+ unsigned short status;
+ unsigned short btype;
+ unsigned short clkticks;
+ unsigned short clkspeed;
+ unsigned short amask1;
+ unsigned short amask2;
+} cdkonbsig_t;
+
+#define ONB_MAGIC0 0xf2a7
+#define ONB_MAGIC1 0xa149
+#define ONB_MAGIC2 0x6352
+#define ONB_MAGIC3 0xf121
+
+/*
+ * Define the feature area structure. The feature area is the set of
+ * startup parameters used by the slave image when it starts executing.
+ * They allow for the specification of buffer sizes, debug trace, etc.
+ */
+typedef struct cdkfeature {
+ unsigned long debug;
+ unsigned long banner;
+ unsigned long etype;
+ unsigned long nrdevs;
+ unsigned long brdspec;
+ unsigned long txrqsize;
+ unsigned long rxrqsize;
+ unsigned long flags;
+} cdkfeature_t;
+
+#define ETYP_DDK 0
+#define ETYP_CDK 1
+
+/*
+ * Define the CDK header structure. This is the info that the slave
+ * environment sets up after it has been downloaded and started. It
+ * essentially provides a memory map for the shared memory interface.
+ */
+typedef struct cdkhdr {
+ unsigned short command;
+ unsigned short status;
+ unsigned short port;
+ unsigned short mode;
+ unsigned long cmd_buf[14];
+ unsigned short alive_cnt;
+ unsigned short intrpt_mode;
+ unsigned char intrpt_id[8];
+ unsigned char ver_release;
+ unsigned char ver_modification;
+ unsigned char ver_fix;
+ unsigned char deadman_restart;
+ unsigned short deadman;
+ unsigned short nrdevs;
+ unsigned long memp;
+ unsigned long hostp;
+ unsigned long slavep;
+ unsigned char hostreq;
+ unsigned char slavereq;
+ unsigned char cmd_reserved[30];
+} cdkhdr_t;
+
+#define MODE_DDK 0
+#define MODE_CDK 1
+
+#define IMD_INTR 0x0
+#define IMD_PPINTR 0x1
+#define IMD_POLL 0xff
+
+/*
+ * Define the memory mapping structure. This structure is pointed to by
+ * the memp field in the stlcdkhdr struct. As many as these structures
+ * as required are layed out in shared memory to define how the rest of
+ * shared memory is divided up. There will be one for each port.
+ */
+typedef struct cdkmem {
+ unsigned short dtype;
+ unsigned long offset;
+} cdkmem_t;
+
+#define TYP_UNDEFINED 0x0
+#define TYP_ASYNCTRL 0x1
+#define TYP_ASYNC 0x20
+#define TYP_PARALLEL 0x40
+#define TYP_SYNCX21 0x60
+
+/*****************************************************************************/
+
+/*
+ * Following is a set of defines and structures used to actually deal
+ * with the serial ports on the board. Firstly is the set of commands
+ * that can be applied to ports.
+ */
+#define ASYCMD (((unsigned long) 'a') << 8)
+
+#define A_NULL (ASYCMD | 0)
+#define A_FLUSH (ASYCMD | 1)
+#define A_BREAK (ASYCMD | 2)
+#define A_GETPORT (ASYCMD | 3)
+#define A_SETPORT (ASYCMD | 4)
+#define A_SETPORTF (ASYCMD | 5)
+#define A_SETPORTFTX (ASYCMD | 6)
+#define A_SETPORTFRX (ASYCMD | 7)
+#define A_GETSIGNALS (ASYCMD | 8)
+#define A_SETSIGNALS (ASYCMD | 9)
+#define A_SETSIGNALSF (ASYCMD | 10)
+#define A_SETSIGNALSFTX (ASYCMD | 11)
+#define A_SETSIGNALSFRX (ASYCMD | 12)
+#define A_GETNOTIFY (ASYCMD | 13)
+#define A_SETNOTIFY (ASYCMD | 14)
+#define A_NOTIFY (ASYCMD | 15)
+#define A_PORTCTRL (ASYCMD | 16)
+#define A_GETSTATS (ASYCMD | 17)
+#define A_RQSTATE (ASYCMD | 18)
+#define A_FLOWSTATE (ASYCMD | 19)
+#define A_CLEARSTATS (ASYCMD | 20)
+
+/*
+ * Define those arguments used for simple commands.
+ */
+#define FLUSHRX 0x1
+#define FLUSHTX 0x2
+
+#define BREAKON -1
+#define BREAKOFF -2
+
+/*
+ * Define the port setting structure, and all those defines that go along
+ * with it. Basically this structure defines the characteristics of this
+ * port: baud rate, chars, parity, input/output char cooking etc.
+ */
+typedef struct asyport {
+ unsigned long baudout;
+ unsigned long baudin;
+ unsigned long iflag;
+ unsigned long oflag;
+ unsigned long lflag;
+ unsigned long pflag;
+ unsigned long flow;
+ unsigned long spare1;
+ unsigned short vtime;
+ unsigned short vmin;
+ unsigned short txlo;
+ unsigned short txhi;
+ unsigned short rxlo;
+ unsigned short rxhi;
+ unsigned short rxhog;
+ unsigned short spare2;
+ unsigned char csize;
+ unsigned char stopbs;
+ unsigned char parity;
+ unsigned char stopin;
+ unsigned char startin;
+ unsigned char stopout;
+ unsigned char startout;
+ unsigned char parmark;
+ unsigned char brkmark;
+ unsigned char cc[11];
+} asyport_t;
+
+#define PT_STOP1 0x0
+#define PT_STOP15 0x1
+#define PT_STOP2 0x2
+
+#define PT_NOPARITY 0x0
+#define PT_ODDPARITY 0x1
+#define PT_EVENPARITY 0x2
+#define PT_MARKPARITY 0x3
+#define PT_SPACEPARITY 0x4
+
+#define F_NONE 0x0
+#define F_IXON 0x1
+#define F_IXOFF 0x2
+#define F_IXANY 0x4
+#define F_IOXANY 0x8
+#define F_RTSFLOW 0x10
+#define F_CTSFLOW 0x20
+#define F_DTRFLOW 0x40
+#define F_DCDFLOW 0x80
+#define F_DSROFLOW 0x100
+#define F_DSRIFLOW 0x200
+
+#define FI_NORX 0x1
+#define FI_RAW 0x2
+#define FI_ISTRIP 0x4
+#define FI_UCLC 0x8
+#define FI_INLCR 0x10
+#define FI_ICRNL 0x20
+#define FI_IGNCR 0x40
+#define FI_IGNBREAK 0x80
+#define FI_DSCRDBREAK 0x100
+#define FI_1MARKBREAK 0x200
+#define FI_2MARKBREAK 0x400
+#define FI_XCHNGBREAK 0x800
+#define FI_IGNRXERRS 0x1000
+#define FI_DSCDRXERRS 0x2000
+#define FI_1MARKRXERRS 0x4000
+#define FI_2MARKRXERRS 0x8000
+#define FI_XCHNGRXERRS 0x10000
+#define FI_DSCRDNULL 0x20000
+
+#define FO_OLCUC 0x1
+#define FO_ONLCR 0x2
+#define FO_OOCRNL 0x4
+#define FO_ONOCR 0x8
+#define FO_ONLRET 0x10
+#define FO_ONL 0x20
+#define FO_OBS 0x40
+#define FO_OVT 0x80
+#define FO_OFF 0x100
+#define FO_OTAB1 0x200
+#define FO_OTAB2 0x400
+#define FO_OTAB3 0x800
+#define FO_OCR1 0x1000
+#define FO_OCR2 0x2000
+#define FO_OCR3 0x4000
+#define FO_OFILL 0x8000
+#define FO_ODELL 0x10000
+
+#define P_RTSLOCK 0x1
+#define P_CTSLOCK 0x2
+#define P_MAPRTS 0x4
+#define P_MAPCTS 0x8
+#define P_LOOPBACK 0x10
+#define P_DTRFOLLOW 0x20
+#define P_FAKEDCD 0x40
+
+#define P_RXIMIN 0x10000
+#define P_RXITIME 0x20000
+#define P_RXTHOLD 0x40000
+
+/*
+ * Define a structure to communicate serial port signal and data state
+ * information.
+ */
+typedef struct asysigs {
+ unsigned long data;
+ unsigned long signal;
+ unsigned long sigvalue;
+} asysigs_t;
+
+#define DT_TXBUSY 0x1
+#define DT_TXEMPTY 0x2
+#define DT_TXLOW 0x4
+#define DT_TXHIGH 0x8
+#define DT_TXFULL 0x10
+#define DT_TXHOG 0x20
+#define DT_TXFLOWED 0x40
+#define DT_TXBREAK 0x80
+
+#define DT_RXBUSY 0x100
+#define DT_RXEMPTY 0x200
+#define DT_RXLOW 0x400
+#define DT_RXHIGH 0x800
+#define DT_RXFULL 0x1000
+#define DT_RXHOG 0x2000
+#define DT_RXFLOWED 0x4000
+#define DT_RXBREAK 0x8000
+
+#define SG_DTR 0x1
+#define SG_DCD 0x2
+#define SG_RTS 0x4
+#define SG_CTS 0x8
+#define SG_DSR 0x10
+#define SG_RI 0x20
+
+/*
+ * Define the notification setting structure. This is used to tell the
+ * port what events we want to be informed about. Fields here use the
+ * same defines as for the asysigs structure above.
+ */
+typedef struct asynotify {
+ unsigned long ctrl;
+ unsigned long data;
+ unsigned long signal;
+ unsigned long sigvalue;
+} asynotify_t;
+
+/*
+ * Define the port control structure. It is used to do fine grain
+ * control operations on the port.
+ */
+typedef struct {
+ unsigned long rxctrl;
+ unsigned long txctrl;
+ char rximdch;
+ char tximdch;
+ char spare1;
+ char spare2;
+} asyctrl_t;
+
+#define CT_ENABLE 0x1
+#define CT_DISABLE 0x2
+#define CT_STOP 0x4
+#define CT_START 0x8
+#define CT_STARTFLOW 0x10
+#define CT_STOPFLOW 0x20
+#define CT_SENDCHR 0x40
+
+/*
+ * Define the stats structure kept for each port. This is a useful set
+ * of data collected for each port on the slave. The A_GETSTATS command
+ * is used to retrieve this data from the slave.
+ */
+typedef struct asystats {
+ unsigned long opens;
+ unsigned long txchars;
+ unsigned long rxchars;
+ unsigned long txringq;
+ unsigned long rxringq;
+ unsigned long txmsgs;
+ unsigned long rxmsgs;
+ unsigned long txflushes;
+ unsigned long rxflushes;
+ unsigned long overruns;
+ unsigned long framing;
+ unsigned long parity;
+ unsigned long ringover;
+ unsigned long lost;
+ unsigned long rxstart;
+ unsigned long rxstop;
+ unsigned long txstart;
+ unsigned long txstop;
+ unsigned long dcdcnt;
+ unsigned long dtrcnt;
+ unsigned long ctscnt;
+ unsigned long rtscnt;
+ unsigned long dsrcnt;
+ unsigned long ricnt;
+ unsigned long txbreaks;
+ unsigned long rxbreaks;
+ unsigned long signals;
+ unsigned long state;
+ unsigned long hwid;
+} asystats_t;
+
+/*****************************************************************************/
+
+/*
+ * All command and control communication with a device on the slave is
+ * via a control block in shared memory. Each device has its own control
+ * block, defined by the following structure. The control block allows
+ * the host to open, close and control the device on the slave.
+ */
+typedef struct cdkctrl {
+ unsigned char open;
+ unsigned char close;
+ unsigned long openarg;
+ unsigned long closearg;
+ unsigned long cmd;
+ unsigned long status;
+ unsigned long args[32];
+} cdkctrl_t;
+
+/*
+ * Each device on the slave passes data to and from the host via a ring
+ * queue in shared memory. Define a ring queue structure to hold the
+ * vital information about each ring queue. Two ring queues will be
+ * allocated for each port, one for receive data and one for transmit
+ * data.
+ */
+typedef struct cdkasyrq {
+ unsigned long offset;
+ unsigned short size;
+ unsigned short head;
+ unsigned short tail;
+} cdkasyrq_t;
+
+/*
+ * Each asynchronous port is defined in shared memory by the following
+ * structure. It contains a control block to command a device, and also
+ * the necessary data channel information as well.
+ */
+typedef struct cdkasy {
+ cdkctrl_t ctrl;
+ unsigned short notify;
+ asynotify_t changed;
+ unsigned short receive;
+ cdkasyrq_t rxq;
+ unsigned short transmit;
+ cdkasyrq_t txq;
+} cdkasy_t;
+
+#pragma pack()
+
+/*****************************************************************************/
+
+/*
+ * Define the set of ioctls used by the driver to do special things
+ * to the board. These include interrupting it, and initializing
+ * the driver after board startup and shutdown.
+ */
+#include <linux/ioctl.h>
+
+#define STL_BINTR _IO('s',20)
+#define STL_BSTART _IO('s',21)
+#define STL_BSTOP _IO('s',22)
+#define STL_BRESET _IO('s',23)
+
+/*
+ * Define a set of ioctl extensions, used to get at special stuff.
+ */
+#define STL_GETPFLAG _IO('s',80)
+#define STL_SETPFLAG _IO('s',81)
+
+/*****************************************************************************/
+#endif