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//usr/include/linux/cdk.h
/*****************************************************************************/ /* * 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
