| /*****************************************************************************/ | |
| /* | |
| * 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 |