136 lines
2.8 KiB
C
136 lines
2.8 KiB
C
|
/*
|
||
|
|
* This file is part of the UCB release of Plan 9. It is subject to the license
|
||
|
|
* terms in the LICENSE file found in the top-level directory of this
|
||
|
|
* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
|
||
|
|
* part of the UCB release of Plan 9, including this file, may be copied,
|
||
|
|
* modified, propagated, or distributed except according to the terms contained
|
||
|
|
* in the LICENSE file.
|
||
|
|
*/
|
||
|
|
|
||
|
|
typedef struct Serial Serial;
|
||
|
|
typedef struct Serialops Serialops;
|
||
|
|
typedef struct Serialport Serialport;
|
||
|
|
|
||
|
|
struct Serialops {
|
||
|
|
int (*seteps)(Serialport*);
|
||
|
|
int (*init)(Serialport*);
|
||
|
|
int (*getparam)(Serialport*);
|
||
|
|
int (*setparam)(Serialport*);
|
||
|
|
int (*clearpipes)(Serialport*);
|
||
|
|
int (*reset)(Serial*, Serialport*);
|
||
|
|
int (*sendlines)(Serialport*);
|
||
|
|
int (*modemctl)(Serialport*, int);
|
||
|
|
int (*setbreak)(Serialport*, int);
|
||
|
|
int (*readstatus)(Serialport*);
|
||
|
|
int (*wait4data)(Serialport*, uint8_t *, int);
|
||
|
|
int (*wait4write)(Serialport*, uint8_t *, int);
|
||
|
|
};
|
||
|
|
|
||
|
|
enum {
|
||
|
|
DataBufSz = 8*1024,
|
||
|
|
Maxifc = 16,
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
struct Serialport {
|
||
|
|
char name[32];
|
||
|
|
Serial *s; /* device we belong to */
|
||
|
|
int isjtag;
|
||
|
|
|
||
|
|
Dev *epintr; /* may not exist */
|
||
|
|
|
||
|
|
Dev *epin;
|
||
|
|
Dev *epout;
|
||
|
|
|
||
|
|
Usbfs fs;
|
||
|
|
uint8_t ctlstate;
|
||
|
|
|
||
|
|
/* serial parameters */
|
||
|
|
uint32_t baud;
|
||
|
|
int stop;
|
||
|
|
int mctl;
|
||
|
|
int parity;
|
||
|
|
int bits;
|
||
|
|
int fifo;
|
||
|
|
int limit;
|
||
|
|
int rts;
|
||
|
|
int cts;
|
||
|
|
int dsr;
|
||
|
|
int dcd;
|
||
|
|
int dtr;
|
||
|
|
int rlsd;
|
||
|
|
|
||
|
|
int64_t timer;
|
||
|
|
int blocked; /* for sw flow ctl. BUG: not implemented yet */
|
||
|
|
int nbreakerr;
|
||
|
|
int ring;
|
||
|
|
int nframeerr;
|
||
|
|
int nparityerr;
|
||
|
|
int novererr;
|
||
|
|
int enabled;
|
||
|
|
|
||
|
|
int interfc; /* interfc on the device for ftdi */
|
||
|
|
|
||
|
|
Channel *w4data;
|
||
|
|
Channel *gotdata;
|
||
|
|
Channel *readc; /* to uncouple reads, only used in ftdi... */
|
||
|
|
int ndata;
|
||
|
|
uint8_t data[DataBufSz];
|
||
|
|
};
|
||
|
|
|
||
|
|
struct Serial {
|
||
|
|
QLock;
|
||
|
|
Dev *dev; /* usb device*/
|
||
|
|
|
||
|
|
int type; /* serial model subtype */
|
||
|
|
int recover; /* # of non-fatal recovery tries */
|
||
|
|
Serialops;
|
||
|
|
|
||
|
|
int hasepintr;
|
||
|
|
|
||
|
|
int jtag; /* index of jtag interface, -1 none */
|
||
|
|
int nifcs; /* # of serial interfaces, including JTAG */
|
||
|
|
Serialport p[Maxifc];
|
||
|
|
int maxrtrans;
|
||
|
|
int maxwtrans;
|
||
|
|
|
||
|
|
int maxread;
|
||
|
|
int maxwrite;
|
||
|
|
|
||
|
|
int inhdrsz;
|
||
|
|
int outhdrsz;
|
||
|
|
int baudbase; /* for special baud base settings, see ftdi */
|
||
|
|
};
|
||
|
|
|
||
|
|
enum {
|
||
|
|
/* soft flow control chars */
|
||
|
|
CTLS = 023,
|
||
|
|
CTLQ = 021,
|
||
|
|
CtlDTR = 1,
|
||
|
|
CtlRTS = 2,
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* !hget http://lxr.linux.no/source/drivers/usb/serial/pl2303.h|htmlfmt
|
||
|
|
* !hget http://lxr.linux.no/source/drivers/usb/serial/pl2303.c|htmlfmt
|
||
|
|
*/
|
||
|
|
|
||
|
|
int serialmain(Dev *d, int argc, char *argv[]);
|
||
|
|
|
||
|
|
typedef struct Cinfo Cinfo;
|
||
|
|
struct Cinfo {
|
||
|
|
int vid; /* usb vendor id */
|
||
|
|
int did; /* usb device/product id */
|
||
|
|
int cid; /* controller id assigned by us */
|
||
|
|
};
|
||
|
|
|
||
|
|
extern Cinfo plinfo[];
|
||
|
|
extern Cinfo uconsinfo[];
|
||
|
|
extern int serialdebug;
|
||
|
|
|
||
|
|
#define dsprint if(serialdebug)fprint
|
||
|
|
|
||
|
|
int serialrecover(Serial *ser, Serialport *p, Dev *ep, char *err);
|
||
|
|
int serialreset(Serial *ser);
|
||
|
|
char *serdumpst(Serialport *p, char *buf, int bufsz);
|