/* $NetBSD: irframe_tty.c,v 1.12 2001/12/12 17:21:36 augustss Exp $ */ /* * TODO * Implement dongle support. * Test!!! * Get rid of MAX_IRDA_FRAME */ /* * Copyright (c) 2001 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Lennart Augustsson (lennart@augustsson.net) and Tommy Bohlin * (tommy@gatespace.com). * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Loosely based on ppp_tty.c. * Framing and dongle handling written by Tommy Bohlin. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* Macros to clear/set/test flags. */ #define SET(t, f) (t) |= (f) #define CLR(t, f) (t) &= ~(f) #define ISSET(t, f) ((t) & (f)) #ifdef IRFRAMET_DEBUG #define DPRINTF(x) if (irframetdebug) printf x #define Static int irframetdebug = 0; #else #define DPRINTF(x) #define Static static #endif /*****/ #define MAX_IRDA_FRAME 5000 /* XXX what is it? */ struct frame { u_char *buf; u_int len; }; #define MAXFRAMES 4 struct irframet_softc { struct irframe_softc sc_irp; struct tty *sc_tp; int sc_dongle; int sc_dongle_private; int sc_state; #define IRT_RSLP 0x01 /* waiting for data (read) */ #if 0 #define IRT_WSLP 0x02 /* waiting for data (write) */ #define IRT_CLOSING 0x04 /* waiting for output to drain */ #endif int sc_ebofs; int sc_speed; u_char* sc_inbuf; int sc_maxsize; int sc_framestate; #define FRAME_OUTSIDE 0 #define FRAME_INSIDE 1 #define FRAME_ESCAPE 2 int sc_inchars; int sc_inFCS; struct callout sc_timeout; u_int sc_nframes; u_int sc_framei; u_int sc_frameo; struct frame sc_frames[MAXFRAMES]; struct selinfo sc_rsel; }; /* line discipline methods */ int irframetopen(dev_t dev, struct tty *tp); int irframetclose(struct tty *tp, int flag); int irframetioctl(struct tty *tp, u_long cmd, caddr_t data, int flag, struct proc *); int irframetinput(int c, struct tty *tp); int irframetstart(struct tty *tp); /* pseudo device init */ void irframettyattach(int); /* irframe methods */ Static int irframet_open(void *h, int flag, int mode, struct proc *p); Static int irframet_close(void *h, int flag, int mode, struct proc *p); Static int irframet_read(void *h, struct uio *uio, int flag); Static int irframet_write(void *h, struct uio *uio, int flag); Static int irframet_poll(void *h, int events, struct proc *p); Static int irframet_set_params(void *h, struct irda_params *params); Static int irframet_get_speeds(void *h, int *speeds); Static int irframet_get_turnarounds(void *h, int *times); /* internal */ Static int irt_write_frame(struct tty *tp, u_int8_t *buf, size_t len); Static int irt_putc(struct tty *tp, int c); Static void irt_frame(struct irframet_softc *sc, u_char *buf, u_int len); Static void irt_timeout(void *v); Static void irt_setspeed(struct tty *tp, u_int speed); Static void irt_setline(struct tty *tp, u_int line); Static void irt_delay(struct tty *tp, u_int delay); Static const struct irframe_methods irframet_methods = { irframet_open, irframet_close, irframet_read, irframet_write, irframet_poll, irframet_set_params, irframet_get_speeds, irframet_get_turnarounds }; Static void irts_none(struct tty *tp, u_int speed); Static void irts_tekram(struct tty *tp, u_int speed); Static void irts_jeteye(struct tty *tp, u_int speed); Static void irts_actisys(struct tty *tp, u_int speed); Static void irts_litelink(struct tty *tp, u_int speed); Static void irts_girbil(struct tty *tp, u_int speed); #define NORMAL_SPEEDS (IRDA_SPEEDS_SIR & ~IRDA_SPEED_2400) #define TURNT_POS (IRDA_TURNT_10000 | IRDA_TURNT_5000 | IRDA_TURNT_1000 | \ IRDA_TURNT_500 | IRDA_TURNT_100 | IRDA_TURNT_50 | IRDA_TURNT_10) Static const struct dongle { void (*setspeed)(struct tty *tp, u_int speed); u_int speedmask; u_int turnmask; } irt_dongles[DONGLE_MAX] = { /* Indexed by dongle number from irdaio.h */ { irts_none, IRDA_SPEEDS_SIR, IRDA_TURNT_10000 }, { irts_tekram, IRDA_SPEEDS_SIR, IRDA_TURNT_10000 }, { irts_jeteye, IRDA_SPEED_9600|IRDA_SPEED_19200|IRDA_SPEED_115200, IRDA_TURNT_10000 }, { irts_actisys, NORMAL_SPEEDS & ~IRDA_SPEED_38400, TURNT_POS }, { irts_actisys, NORMAL_SPEEDS, TURNT_POS }, { irts_litelink, NORMAL_SPEEDS, TURNT_POS }, { irts_girbil, IRDA_SPEEDS_SIR, IRDA_TURNT_10000 | IRDA_TURNT_5000 }, }; void irframettyattach(int n) { } /* * Line specific open routine for async tty devices. * Attach the given tty to the first available irframe unit. * Called from device open routine or ttioctl. */ /* ARGSUSED */ int irframetopen(dev_t dev, struct tty *tp) { struct proc *p = curproc; /* XXX */ struct irframet_softc *sc; int error, s; DPRINTF(("%s\n", __FUNCTION__)); if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) return (error); s = spltty(); DPRINTF(("%s: linesw=%p disc=%s\n", __FUNCTION__, tp->t_linesw, tp->t_linesw->l_name)); if (strcmp(tp->t_linesw->l_name, "irframe") == 0) { /* XXX */ sc = (struct irframet_softc *)tp->t_sc; DPRINTF(("%s: sc=%p sc_tp=%p\n", __FUNCTION__, sc, sc->sc_tp)); if (sc != NULL) { splx(s); return (EBUSY); } } tp->t_sc = irframe_alloc(sizeof (struct irframet_softc), &irframet_methods, tp); sc = (struct irframet_softc *)tp->t_sc; sc->sc_tp = tp; printf("%s attached at tty%02d\n", sc->sc_irp.sc_dev.dv_xname, minor(tp->t_dev)); DPRINTF(("%s: set sc=%p\n", __FUNCTION__, sc)); ttyflush(tp, FREAD | FWRITE); sc->sc_dongle = DONGLE_NONE; sc->sc_dongle_private = 0; splx(s); return (0); } /* * Line specific close routine, called from device close routine * and from ttioctl. * Detach the tty from the irframe unit. * Mimics part of ttyclose(). */ int irframetclose(struct tty *tp, int flag) { struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; int s; DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp)); s = spltty(); ttyflush(tp, FREAD | FWRITE); tp->t_linesw = linesw[0]; /* default line discipline */ if (sc != NULL) { tp->t_sc = NULL; printf("%s detached from tty%02d\n", sc->sc_irp.sc_dev.dv_xname, minor(tp->t_dev)); if (sc->sc_tp == tp) irframe_dealloc(&sc->sc_irp.sc_dev); } splx(s); return (0); } /* * Line specific (tty) ioctl routine. * This discipline requires that tty device drivers call * the line specific l_ioctl routine from their ioctl routines. */ /* ARGSUSED */ int irframetioctl(struct tty *tp, u_long cmd, caddr_t data, int flag, struct proc *p) { struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; int error; int d; DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp)); if (sc == NULL || tp != sc->sc_tp) return (-1); error = 0; switch (cmd) { case IRFRAMETTY_GET_DEVICE: *(int *)data = sc->sc_irp.sc_dev.dv_unit; break; case IRFRAMETTY_GET_DONGLE: *(int *)data = sc->sc_dongle; break; case IRFRAMETTY_SET_DONGLE: d = *(int *)data; if (d < 0 || d >= DONGLE_MAX) return (EINVAL); sc->sc_dongle = d; break; default: error = EINVAL; break; } return (error); } /* * Start output on async tty interface. * Called at spltty or higher. */ int irframetstart(struct tty *tp) { /*struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc;*/ DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp)); if (tp->t_oproc != NULL) (*tp->t_oproc)(tp); return (0); } void irt_frame(struct irframet_softc *sc, u_char *buf, u_int len) { DPRINTF(("%s: nframe=%d framei=%d frameo=%d\n", __FUNCTION__, sc->sc_nframes, sc->sc_framei, sc->sc_frameo)); if (sc->sc_nframes >= MAXFRAMES) { #ifdef IRFRAMET_DEBUG printf("%s: dropped frame\n", __FUNCTION__); #endif return; } if (sc->sc_frames[sc->sc_framei].buf == NULL) return; memcpy(sc->sc_frames[sc->sc_framei].buf, buf, len); sc->sc_frames[sc->sc_framei].len = len; sc->sc_framei = (sc->sc_framei+1) % MAXFRAMES; sc->sc_nframes++; if (sc->sc_state & IRT_RSLP) { sc->sc_state &= ~IRT_RSLP; DPRINTF(("%s: waking up reader\n", __FUNCTION__)); wakeup(sc->sc_frames); } selwakeup(&sc->sc_rsel); } void irt_timeout(void *v) { struct irframet_softc *sc = v; #ifdef IRFRAMET_DEBUG if (sc->sc_framestate != FRAME_OUTSIDE) printf("%s: input frame timeout\n", __FUNCTION__); #endif sc->sc_framestate = FRAME_OUTSIDE; } int irframetinput(int c, struct tty *tp) { struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; c &= 0xff; #if IRFRAMET_DEBUG if (irframetdebug > 1) DPRINTF(("%s: tp=%p c=0x%02x\n", __FUNCTION__, tp, c)); #endif if (sc == NULL || tp != (struct tty *)sc->sc_tp) return (0); if (sc->sc_inbuf == NULL) return (0); switch (c) { case SIR_BOF: DPRINTF(("%s: BOF\n", __FUNCTION__)); sc->sc_framestate = FRAME_INSIDE; sc->sc_inchars = 0; sc->sc_inFCS = INITFCS; break; case SIR_EOF: DPRINTF(("%s: EOF state=%d inchars=%d fcs=0x%04x\n", __FUNCTION__, sc->sc_framestate, sc->sc_inchars, sc->sc_inFCS)); if (sc->sc_framestate == FRAME_INSIDE && sc->sc_inchars >= 4 && sc->sc_inFCS == GOODFCS) { irt_frame(sc, sc->sc_inbuf, sc->sc_inchars - 2); } else if (sc->sc_framestate != FRAME_OUTSIDE) { #ifdef IRFRAMET_DEBUG printf("%s: malformed input frame\n", __FUNCTION__); #endif } sc->sc_framestate = FRAME_OUTSIDE; break; case SIR_CE: DPRINTF(("%s: CE\n", __FUNCTION__)); if (sc->sc_framestate == FRAME_INSIDE) sc->sc_framestate = FRAME_ESCAPE; break; default: #if IRFRAMET_DEBUG if (irframetdebug > 1) DPRINTF(("%s: c=0x%02x, inchar=%d state=%d\n", __FUNCTION__, c, sc->sc_inchars, sc->sc_state)); #endif if (sc->sc_framestate != FRAME_OUTSIDE) { if (sc->sc_framestate == FRAME_ESCAPE) { sc->sc_framestate = FRAME_INSIDE; c ^= SIR_ESC_BIT; } if (sc->sc_inchars < sc->sc_maxsize + 2) { sc->sc_inbuf[sc->sc_inchars++] = c; sc->sc_inFCS = updateFCS(sc->sc_inFCS, c); } else { sc->sc_framestate = FRAME_OUTSIDE; #ifdef IRFRAMET_DEBUG printf("%s: input frame overrun\n", __FUNCTION__); #endif } } break; } #if 1 if (sc->sc_framestate != FRAME_OUTSIDE) { callout_reset(&sc->sc_timeout, hz/20, irt_timeout, sc); } #endif return (0); } /*** irframe methods ***/ int irframet_open(void *h, int flag, int mode, struct proc *p) { struct tty *tp = h; struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp)); sc->sc_speed = 0; sc->sc_ebofs = IRDA_DEFAULT_EBOFS; sc->sc_maxsize = 0; sc->sc_framestate = FRAME_OUTSIDE; sc->sc_nframes = 0; sc->sc_framei = 0; sc->sc_frameo = 0; callout_init(&sc->sc_timeout); return (0); } int irframet_close(void *h, int flag, int mode, struct proc *p) { struct tty *tp = h; struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; int i, s; DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp)); callout_stop(&sc->sc_timeout); s = splir(); if (sc->sc_inbuf != NULL) { free(sc->sc_inbuf, M_DEVBUF); sc->sc_inbuf = NULL; } for (i = 0; i < MAXFRAMES; i++) { if (sc->sc_frames[i].buf != NULL) { free(sc->sc_frames[i].buf, M_DEVBUF); sc->sc_frames[i].buf = NULL; } } splx(s); return (0); } int irframet_read(void *h, struct uio *uio, int flag) { struct tty *tp = h; struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; int error = 0; int s; DPRINTF(("%s: resid=%d, iovcnt=%d, offset=%ld\n", __FUNCTION__, uio->uio_resid, uio->uio_iovcnt, (long)uio->uio_offset)); DPRINTF(("%s: nframe=%d framei=%d frameo=%d\n", __FUNCTION__, sc->sc_nframes, sc->sc_framei, sc->sc_frameo)); s = splir(); while (sc->sc_nframes == 0) { if (flag & IO_NDELAY) { splx(s); return (EWOULDBLOCK); } sc->sc_state |= IRT_RSLP; DPRINTF(("%s: sleep\n", __FUNCTION__)); error = tsleep(sc->sc_frames, PZERO | PCATCH, "irtrd", 0); DPRINTF(("%s: woke, error=%d\n", __FUNCTION__, error)); if (error) { sc->sc_state &= ~IRT_RSLP; break; } } /* Do just one frame transfer per read */ if (!error) { if (uio->uio_resid < sc->sc_frames[sc->sc_frameo].len) { DPRINTF(("%s: uio buffer smaller than frame size (%d < %d)\n", __FUNCTION__, uio->uio_resid, sc->sc_frames[sc->sc_frameo].len)); error = EINVAL; } else { DPRINTF(("%s: moving %d bytes\n", __FUNCTION__, sc->sc_frames[sc->sc_frameo].len)); error = uiomove(sc->sc_frames[sc->sc_frameo].buf, sc->sc_frames[sc->sc_frameo].len, uio); DPRINTF(("%s: error=%d\n", __FUNCTION__, error)); } sc->sc_frameo = (sc->sc_frameo+1) % MAXFRAMES; sc->sc_nframes--; } splx(s); return (error); } int irt_putc(struct tty *tp, int c) { int s; int error; #if IRFRAMET_DEBUG if (irframetdebug > 3) DPRINTF(("%s: tp=%p c=0x%02x cc=%d\n", __FUNCTION__, tp, c, tp->t_outq.c_cc)); #endif if (tp->t_outq.c_cc > tp->t_hiwat) { irframetstart(tp); s = spltty(); /* * This can only occur if FLUSHO is set in t_lflag, * or if ttstart/oproc is synchronous (or very fast). */ if (tp->t_outq.c_cc <= tp->t_hiwat) { splx(s); goto go; } SET(tp->t_state, TS_ASLEEP); error = ttysleep(tp, &tp->t_outq, TTOPRI | PCATCH, ttyout, 0); splx(s); if (error) return (error); } go: if (putc(c, &tp->t_outq) < 0) { printf("irframe: putc failed\n"); return (EIO); } return (0); } int irframet_write(void *h, struct uio *uio, int flag) { struct tty *tp = h; struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; u_int8_t buf[MAX_IRDA_FRAME]; int n; DPRINTF(("%s: resid=%d, iovcnt=%d, offset=%ld\n", __FUNCTION__, uio->uio_resid, uio->uio_iovcnt, (long)uio->uio_offset)); n = irda_sir_frame(buf, MAX_IRDA_FRAME, uio, sc->sc_ebofs); if (n < 0) { #ifdef IRFRAMET_DEBUG printf("%s: irda_sir_frame() error=%d\n", __FUNCTION__, -n); #endif return (-n); } return (irt_write_frame(tp, buf, n)); } int irt_write_frame(struct tty *tp, u_int8_t *buf, size_t len) { int error, i; DPRINTF(("%s: tp=%p len=%d\n", __FUNCTION__, tp, len)); error = 0; for (i = 0; !error && i < len; i++) error = irt_putc(tp, buf[i]); irframetstart(tp); DPRINTF(("%s: done, error=%d\n", __FUNCTION__, error)); return (error); } int irframet_poll(void *h, int events, struct proc *p) { struct tty *tp = h; struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; int revents = 0; int s; DPRINTF(("%s: sc=%p\n", __FUNCTION__, sc)); s = splir(); /* XXX is this a good check? */ if (events & (POLLOUT | POLLWRNORM)) if (tp->t_outq.c_cc <= tp->t_lowat) revents |= events & (POLLOUT | POLLWRNORM); if (events & (POLLIN | POLLRDNORM)) { if (sc->sc_nframes > 0) { DPRINTF(("%s: have data\n", __FUNCTION__)); revents |= events & (POLLIN | POLLRDNORM); } else { DPRINTF(("%s: recording select\n", __FUNCTION__)); selrecord(p, &sc->sc_rsel); } } splx(s); return (revents); } int irframet_set_params(void *h, struct irda_params *p) { struct tty *tp = h; struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; int i; DPRINTF(("%s: tp=%p speed=%d ebofs=%d maxsize=%d\n", __FUNCTION__, tp, p->speed, p->ebofs, p->maxsize)); if (p->speed != sc->sc_speed) { switch (p->speed) { case 2400: case 9600: case 19200: case 38400: case 57600: case 115200: break; default: return (EINVAL); } irt_dongles[sc->sc_dongle].setspeed(tp, p->speed); sc->sc_speed = p->speed; } sc->sc_ebofs = p->ebofs; if (sc->sc_maxsize != p->maxsize) { sc->sc_maxsize = p->maxsize; if (sc->sc_inbuf != NULL) free(sc->sc_inbuf, M_DEVBUF); for (i = 0; i < MAXFRAMES; i++) if (sc->sc_frames[i].buf != NULL) free(sc->sc_frames[i].buf, M_DEVBUF); if (sc->sc_maxsize != 0) { sc->sc_inbuf = malloc(sc->sc_maxsize+2, M_DEVBUF, M_WAITOK); for (i = 0; i < MAXFRAMES; i++) sc->sc_frames[i].buf = malloc(sc->sc_maxsize, M_DEVBUF, M_WAITOK); } else { sc->sc_inbuf = NULL; for (i = 0; i < MAXFRAMES; i++) sc->sc_frames[i].buf = NULL; } } sc->sc_framestate = FRAME_OUTSIDE; return (0); } int irframet_get_speeds(void *h, int *speeds) { struct tty *tp = h; struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp)); if (sc == NULL) /* during attach */ *speeds = IRDA_SPEEDS_SIR; else *speeds = irt_dongles[sc->sc_dongle].speedmask; return (0); } int irframet_get_turnarounds(void *h, int *turnarounds) { struct tty *tp = h; struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp)); *turnarounds = irt_dongles[sc->sc_dongle].turnmask; return (0); } void irt_setspeed(struct tty *tp, u_int speed) { struct termios tt; ttioctl(tp, TIOCGETA, (caddr_t)&tt, 0, curproc); tt.c_ispeed = tt.c_ospeed = speed; ttioctl(tp, TIOCSETAF, (caddr_t)&tt, 0, curproc); } void irt_setline(struct tty *tp, u_int line) { int mline = line; ttioctl(tp, TIOCMSET, (caddr_t)&mline, 0, curproc); } void irt_delay(struct tty *tp, u_int ms) { if (cold) delay(ms * 1000); else tsleep(&irt_delay, PZERO, "irtdly", ms * hz / 1000 + 1); } /********************************************************************** * No dongle **********************************************************************/ void irts_none(struct tty *tp, u_int speed) { irt_setspeed(tp, speed); } /********************************************************************** * Tekram **********************************************************************/ #define TEKRAM_PW 0x10 #define TEKRAM_115200 (TEKRAM_PW|0x00) #define TEKRAM_57600 (TEKRAM_PW|0x01) #define TEKRAM_38400 (TEKRAM_PW|0x02) #define TEKRAM_19200 (TEKRAM_PW|0x03) #define TEKRAM_9600 (TEKRAM_PW|0x04) #define TEKRAM_2400 (TEKRAM_PW|0x08) #define TEKRAM_TV (TEKRAM_PW|0x05) void irts_tekram(struct tty *tp, u_int speed) { int s; irt_setspeed(tp, 9600); irt_setline(tp, 0); irt_delay(tp, 50); irt_setline(tp, TIOCM_RTS); irt_delay(tp, 1); irt_setline(tp, TIOCM_DTR | TIOCM_RTS); irt_delay(tp, 1); /* 50 us */ irt_setline(tp, TIOCM_DTR); irt_delay(tp, 1); /* 7 us */ switch(speed) { case 115200: s = TEKRAM_115200; break; case 57600: s = TEKRAM_57600; break; case 38400: s = TEKRAM_38400; break; case 19200: s = TEKRAM_19200; break; case 2400: s = TEKRAM_2400; break; default: s = TEKRAM_9600; break; } irt_putc(tp, s); irt_setline(tp, TIOCM_DTR | TIOCM_RTS); if (speed != 9600) irt_setspeed(tp, speed); irt_delay(tp, 1); /* 50 us */ } /********************************************************************** * Jeteye **********************************************************************/ void irts_jeteye(struct tty *tp, u_int speed) { switch (speed) { case 19200: irt_setline(tp, TIOCM_DTR); break; case 115200: irt_setline(tp, TIOCM_DTR | TIOCM_RTS); break; default: /*9600*/ irt_setline(tp, TIOCM_RTS); break; } irt_setspeed(tp, speed); } /********************************************************************** * Actisys **********************************************************************/ void irts_actisys(struct tty *tp, u_int speed) { struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; int pulses; irt_setspeed(tp, speed); switch(speed) { case 19200: pulses=1; break; case 57600: pulses=2; break; case 115200: pulses=3; break; case 38400: pulses=4; break; default: /* 9600 */ pulses=0; break; } if (sc->sc_dongle_private == 0) { sc->sc_dongle_private = 1; irt_setline(tp, TIOCM_DTR | TIOCM_RTS); /* * Must wait at least 50ms after initial * power on to charge internal capacitor */ irt_delay(tp, 50); } irt_setline(tp, TIOCM_RTS); delay(2); for (;;) { irt_setline(tp, TIOCM_DTR | TIOCM_RTS); delay(2); if (--pulses <= 0) break; irt_setline(tp, TIOCM_DTR); delay(2); } } /********************************************************************** * Litelink **********************************************************************/ void irts_litelink(struct tty *tp, u_int speed) { struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; int pulses; irt_setspeed(tp, speed); switch(speed) { case 57600: pulses=1; break; case 38400: pulses=2; break; case 19200: pulses=3; break; case 9600: pulses=4; break; default: /* 115200 */ pulses=0; break; } if (sc->sc_dongle_private == 0) { sc->sc_dongle_private = 1; irt_setline(tp, TIOCM_DTR | TIOCM_RTS); } irt_setline(tp, TIOCM_RTS); irt_delay(tp, 1); /* 15 us */; for (;;) { irt_setline(tp, TIOCM_DTR | TIOCM_RTS); irt_delay(tp, 1); /* 15 us */; if (--pulses <= 0) break; irt_setline(tp, TIOCM_DTR); irt_delay(tp, 1); /* 15 us */; } } /********************************************************************** * Girbil **********************************************************************/ /* Control register 1 */ #define GIRBIL_TXEN 0x01 /* Enable transmitter */ #define GIRBIL_RXEN 0x02 /* Enable receiver */ #define GIRBIL_ECAN 0x04 /* Cancel self emmited data */ #define GIRBIL_ECHO 0x08 /* Echo control characters */ /* LED Current Register */ #define GIRBIL_HIGH 0x20 #define GIRBIL_MEDIUM 0x21 #define GIRBIL_LOW 0x22 /* Baud register */ #define GIRBIL_2400 0x30 #define GIRBIL_4800 0x31 #define GIRBIL_9600 0x32 #define GIRBIL_19200 0x33 #define GIRBIL_38400 0x34 #define GIRBIL_57600 0x35 #define GIRBIL_115200 0x36 /* Mode register */ #define GIRBIL_IRDA 0x40 #define GIRBIL_ASK 0x41 /* Control register 2 */ #define GIRBIL_LOAD 0x51 /* Load the new baud rate value */ void irts_girbil(struct tty *tp, u_int speed) { int s; irt_setspeed(tp, 9600); irt_setline(tp, TIOCM_DTR); irt_delay(tp, 5); irt_setline(tp, TIOCM_RTS); irt_delay(tp, 20); switch(speed) { case 115200: s = GIRBIL_115200; break; case 57600: s = GIRBIL_57600; break; case 38400: s = GIRBIL_38400; break; case 19200: s = GIRBIL_19200; break; case 4800: s = GIRBIL_4800; break; case 2400: s = GIRBIL_2400; break; default: s = GIRBIL_9600; break; } irt_putc(tp, GIRBIL_TXEN|GIRBIL_RXEN); irt_putc(tp, s); irt_putc(tp, GIRBIL_LOAD); irt_delay(tp, 100); irt_setline(tp, TIOCM_DTR | TIOCM_RTS); if (speed != 9600) irt_setspeed(tp, speed); }