[unix-history] / usr / src / sys / vax / uba / vp.c

/*	vp.c	4.17	82/08/22	*/

#include "vp.h"
#if NVP > 0
/*
 * Versatec matrix printer/plotter
 * dma interface driver
 *
 * SETUP NOTES:
 *	Set up both print and plot interrupts to go through the same vector
 *	Give the address of the plcsr register in the config specification
 */
#include "../h/param.h"
#include "../h/dir.h"
#include "../h/user.h"
#include "../h/buf.h"
#include "../h/systm.h"
#include "../h/map.h"
#include "../h/pte.h"
#include "../h/ubavar.h"
#include "../h/ubareg.h"
#include "../h/vcmd.h"
#include "../h/uio.h"

unsigned minvpph();

#define	VPPRI	(PZERO-1)

struct	vpdevice {
	short	plbcr;
	short	pbxaddr;
	short	prbcr;
	u_short pbaddr;
	short	plcsr;
	short	plbuf;
	short	prcsr;
	u_short prbuf;
};

#define	VP_ERROR	0100000
#define	VP_DTCINTR	0040000
#define	VP_DMAACT	0020000
#define	VP_READY	0000200
#define	VP_IENABLE	0000100
#define	VP_TERMCOM	0000040
#define	VP_FFCOM	0000020
#define	VP_EOTCOM	0000010
#define	VP_CLRCOM	0000004
#define	VP_RESET	0000002
#define	VP_SPP		0000001

struct vp_softc {
	int	sc_state;
	int	sc_count;
	int	sc_bufp;
	struct	buf *sc_bp;
	int	sc_ubinfo;
} vp_softc[NVP];

/* sc_state bits */
#define	VPSC_BUSY	0001000
#define	VPSC_MODE	0000700
#define	VPSC_SPP	0000400
#define	VPSC_PLOT	0000200
#define	VPSC_PRINT	0000100
#define	VPSC_CMNDS	0000076
#define	VPSC_OPEN	0000001

struct	uba_device *vpdinfo[NVP];

#define	VPUNIT(dev)	(minor(dev))

struct	buf rvpbuf[NVP];

int	vpprobe(), vpattach();
struct	uba_device *vpdinfo[NVP];
u_short	vpstd[] = { 0777500, 0 };
struct	uba_driver vpdriver =
    { vpprobe, 0, vpattach, 0, vpstd, "vp", vpdinfo };

vpprobe(reg)
	caddr_t reg;
{
	register int br, cvec;		/* value-result */
	register struct vpdevice *vpaddr = (struct vpdevice *)(reg-010);

#ifdef lint
	br = 0; cvec = br; br = cvec;
	vpintr(0);
#endif
	vpaddr->prcsr = VP_IENABLE|VP_DTCINTR;
	vpaddr->pbaddr = 0;
	vpaddr->pbxaddr = 0;
	vpaddr->prbcr = 1;
	DELAY(10000);
	vpaddr->prcsr = 0;
#if ERNIE || CAD || UCBVAX
	/* UNTIL REWIRED, GET INTERRUPT AT 200 BUT WANT 174 */
	if (cvec == 0200) {
		printf("vp reset vec from 200 to 174\n");
		cvec = 0174;
	}
#endif
	return (sizeof (struct vpdevice));
}

/*ARGSUSED*/
vpattach(ui)
	struct uba_device *ui;
{

	ui->ui_addr -= 010;
	ui->ui_physaddr -= 010;
}

vpopen(dev)
	dev_t dev;
{
	register struct vp_softc *sc;
	register struct vpdevice *vpaddr;
	register struct uba_device *ui;

	if (VPUNIT(dev) >= NVP ||
	    ((sc = &vp_softc[minor(dev)])->sc_state&VPSC_OPEN) ||
	    (ui = vpdinfo[VPUNIT(dev)]) == 0 || ui->ui_alive == 0) {
		u.u_error = ENXIO;
		return;
	}
	vpaddr = (struct vpdevice *)ui->ui_addr;
	sc->sc_state = VPSC_OPEN|VPSC_PRINT | VP_CLRCOM|VP_RESET;
	sc->sc_count = 0;
	vpaddr->prcsr = VP_IENABLE|VP_DTCINTR;
	vptimo(dev);
	while (sc->sc_state & VPSC_CMNDS) {
		(void) spl4();
		if (vpwait(dev)) {
			vpclose(dev);
			u.u_error = EIO;
			return;
		}
		vpstart(dev);
		(void) spl0();
	}
}

vpstrategy(bp)
	register struct buf *bp;
{
	register int e;
	register struct vp_softc *sc = &vp_softc[VPUNIT(bp->b_dev)];
	register struct uba_device *ui = vpdinfo[VPUNIT(bp->b_dev)];
	register struct vpdevice *vpaddr = (struct vpdevice *)ui->ui_addr;

	(void) spl4();
	while (sc->sc_state & VPSC_BUSY)
		sleep((caddr_t)sc, VPPRI);
	sc->sc_state |= VPSC_BUSY;
	sc->sc_bp = bp;
	sc->sc_ubinfo = ubasetup(ui->ui_ubanum, bp, UBA_NEEDBDP);
	if (e = vpwait(bp->b_dev))
		goto brkout;
	sc->sc_count = bp->b_bcount;
	vpstart(bp->b_dev);
	while (((sc->sc_state&VPSC_PLOT) ? vpaddr->plcsr : vpaddr->prcsr) & VP_DMAACT)
		sleep((caddr_t)sc, VPPRI);
	sc->sc_count = 0;
	if ((sc->sc_state&VPSC_MODE) == VPSC_SPP)
		sc->sc_state = (sc->sc_state &~ VPSC_MODE) | VPSC_PLOT;
	(void) spl0();
brkout:
	ubarelse(ui->ui_ubanum, &sc->sc_ubinfo);
	sc->sc_state &= ~VPSC_BUSY;
	sc->sc_bp = 0;
	iodone(bp);
	if (e)
		u.u_error = EIO;
	wakeup((caddr_t)sc);
}

int	vpblock = 16384;

unsigned
minvpph(bp)
	struct buf *bp;
{

	if (bp->b_bcount > vpblock)
		bp->b_bcount = vpblock;
}

/*ARGSUSED*/
vpwrite(dev)
	dev_t dev;
{

	if (VPUNIT(dev) >= NVP)
		u.u_error = ENXIO;
	else
		physio(vpstrategy, &rvpbuf[VPUNIT(dev)], dev, B_WRITE,
		    minvpph, uio);
}

vpwait(dev)
	dev_t dev;
{
	register struct vpdevice *vpaddr =
	    (struct vpdevice *)vpdinfo[VPUNIT(dev)]->ui_addr;
	register struct vp_softc *sc = &vp_softc[VPUNIT(dev)];
	register int e;

	for (;;) {
		e = (sc->sc_state & VPSC_PLOT) ? vpaddr->plcsr : vpaddr->prcsr;
		if (e & (VP_READY|VP_ERROR))
			break;
		sleep((caddr_t)sc, VPPRI);
	}
	/* I wish i could tell whether an error indicated an npr timeout */
	return (e & VP_ERROR);
}

vpstart(dev)
	dev_t;
{
	register struct vp_softc *sc = &vp_softc[VPUNIT(dev)];
	register struct vpdevice *vpaddr =
	    (struct vpdevice *)vpdinfo[VPUNIT(dev)]->ui_addr;
	short bit;

	if (sc->sc_count) {
		vpaddr->pbaddr = sc->sc_ubinfo;
		vpaddr->pbxaddr = (sc->sc_ubinfo>>12)&0x30;
		if (sc->sc_state & (VPSC_PRINT|VPSC_SPP))
			vpaddr->prbcr = sc->sc_count;
		else
			vpaddr->plbcr = sc->sc_count;
		return;
	}
	for (bit = 1; bit != 0; bit <<= 1)
		if (sc->sc_state&bit&VPSC_CMNDS) {
			vpaddr->plcsr |= bit;
			sc->sc_state &= ~bit;
			return;
		}
}

/*ARGSUSED*/
vpioctl(dev, cmd, addr, flag)
	dev_t dev;
	int cmd;
	register caddr_t addr;
	int flag;
{
	register int m;
	register struct vp_softc *sc = &vp_softc[VPUNIT(dev)];
	register struct vpdevice *vpaddr =
	    (struct vpdevice *)vpdinfo[VPUNIT(dev)]->ui_addr;

	switch (cmd) {

	case VGETSTATE:
		(void) suword(addr, sc->sc_state);
		return;

	case VSETSTATE:
		m = fuword(addr);
		if (m == -1) {
			u.u_error = EFAULT;
			return;
		}
		sc->sc_state =
		    (sc->sc_state & ~VPSC_MODE) | (m&(VPSC_MODE|VPSC_CMNDS));
		break;

	default:
		u.u_error = ENOTTY;
		return;
	}
	(void) spl4();
	(void) vpwait(dev);
	if (sc->sc_state&VPSC_SPP)
		vpaddr->plcsr |= VP_SPP;
	else
		vpaddr->plcsr &= ~VP_SPP;
	sc->sc_count = 0;
	while (sc->sc_state & VPSC_CMNDS) {
		(void) vpwait(dev);
		vpstart(dev);
	}
	(void) spl0();
}

vptimo(dev)
	dev_t dev;
{
	register struct vp_softc *sc = &vp_softc[VPUNIT(dev)];

	if (sc->sc_state&VPSC_OPEN)
		timeout(vptimo, (caddr_t)dev, hz/10);
	vpintr(dev);
}

/*ARGSUSED*/
vpintr(dev)
	dev_t dev;
{
	register struct vp_softc *sc = &vp_softc[VPUNIT(dev)];

	wakeup((caddr_t)sc);
}

vpclose(dev)
	dev_t dev;
{
	register struct vp_softc *sc = &vp_softc[VPUNIT(dev)];
	register struct vpdevice *vpaddr =
	    (struct vpdevice *)vpdinfo[VPUNIT(dev)]->ui_addr;

	sc->sc_state = 0;
	sc->sc_count = 0;
	vpaddr->plcsr = 0;
}

vpreset(uban)
	int uban;
{
	register int vp11;
	register struct uba_device *ui;
	register struct vp_softc *sc = vp_softc;
	register struct vpdevice *vpaddr;

	for (vp11 = 0; vp11 < NVP; vp11++, sc++) {
		if ((ui = vpdinfo[vp11]) == 0 || ui->ui_alive == 0 ||
		    ui->ui_ubanum != uban || (sc->sc_state&VPSC_OPEN) == 0)
			continue;
		printf(" vp%d", vp11);
		vpaddr = (struct vpdevice *)ui->ui_addr;
		vpaddr->prcsr = VP_IENABLE|VP_DTCINTR;
		if ((sc->sc_state & VPSC_BUSY) == 0)
			continue;
		if (sc->sc_ubinfo) {
			printf("<%d>", (sc->sc_ubinfo>>28)&0xf);
			ubarelse(ui->ui_ubanum, &sc->sc_ubinfo);
		}
		sc->sc_count = sc->sc_bp->b_bcount;
		vpstart(sc->sc_bp->b_dev);
	}
}

vpselect()
{
	return (1);
}
#endif
Commit	Line	Data
002227dd	1	/* vp.c 4.17 82/08/22 */
2a75a0e9	2
66b4fb09	3	#include "vp.h"
a5cc519e BJ	4	#if NVP > 0
	5	/*
	6	* Versatec matrix printer/plotter
	7	* dma interface driver
48a8d9c7 BJ	8	*
	9	* SETUP NOTES:
	10	* Set up both print and plot interrupts to go through the same vector
	11	* Give the address of the plcsr register in the config specification
a5cc519e	12	*/
2a75a0e9 BJ	13	#include "../h/param.h"
	14	#include "../h/dir.h"
	15	#include "../h/user.h"
	16	#include "../h/buf.h"
	17	#include "../h/systm.h"
	18	#include "../h/map.h"
	19	#include "../h/pte.h"
fc4d0a69 BJ	20	#include "../h/ubavar.h"
	21	#include "../h/ubareg.h"
	22	#include "../h/vcmd.h"
5c46243f	23	#include "../h/uio.h"
2a75a0e9 BJ	24
	25	unsigned minvpph();
	26
	27	#define VPPRI (PZERO-1)
	28
fc4d0a69	29	struct vpdevice {
2a75a0e9	30	short plbcr;
3bfdaa99	31	short pbxaddr;
2a75a0e9	32	short prbcr;
fc4d0a69	33	u_short pbaddr;
2a75a0e9 BJ	34	short plcsr;
	35	short plbuf;
	36	short prcsr;
fc4d0a69	37	u_short prbuf;
2a75a0e9 BJ	38	};
2a75a0e9 BJ	39
fc4d0a69 BJ	40	#define VP_ERROR 0100000
	41	#define VP_DTCINTR 0040000
	42	#define VP_DMAACT 0020000
	43	#define VP_READY 0000200
	44	#define VP_IENABLE 0000100
	45	#define VP_TERMCOM 0000040
	46	#define VP_FFCOM 0000020
	47	#define VP_EOTCOM 0000010
	48	#define VP_CLRCOM 0000004
	49	#define VP_RESET 0000002
	50	#define VP_SPP 0000001
	51
	52	struct vp_softc {
	53	int sc_state;
	54	int sc_count;
	55	int sc_bufp;
	56	struct buf *sc_bp;
	57	int sc_ubinfo;
	58	} vp_softc[NVP];
	59
	60	/* sc_state bits */
	61	#define VPSC_BUSY 0001000
	62	#define VPSC_MODE 0000700
	63	#define VPSC_SPP 0000400
	64	#define VPSC_PLOT 0000200
	65	#define VPSC_PRINT 0000100
	66	#define VPSC_CMNDS 0000076
	67	#define VPSC_OPEN 0000001
	68
	69	struct uba_device *vpdinfo[NVP];
	70
	71	#define VPUNIT(dev) (minor(dev))
	72
	73	struct buf rvpbuf[NVP];
	74
	75	int vpprobe(), vpattach();
	76	struct uba_device *vpdinfo[NVP];
	77	u_short vpstd[] = { 0777500, 0 };
	78	struct uba_driver vpdriver =
	79	{ vpprobe, 0, vpattach, 0, vpstd, "vp", vpdinfo };
	80
	81	vpprobe(reg)
	82	caddr_t reg;
	83	{
	84	register int br, cvec; /* value-result */
	85	register struct vpdevice vpaddr = (struct vpdevice )(reg-010);
	86
89b8a44c BJ	87	#ifdef lint
	88	br = 0; cvec = br; br = cvec;
	89	vpintr(0);
	90	#endif
fc4d0a69 BJ	91	vpaddr->prcsr = VP_IENABLE\|VP_DTCINTR;
	92	vpaddr->pbaddr = 0;
	93	vpaddr->pbxaddr = 0;
48a8d9c7	94	vpaddr->prbcr = 1;
fc4d0a69 BJ	95	DELAY(10000);
fc4d0a69 BJ	96	vpaddr->prcsr = 0;
243189a0	97	#if ERNIE \|\| CAD \|\| UCBVAX
48a8d9c7 BJ	98	/* UNTIL REWIRED, GET INTERRUPT AT 200 BUT WANT 174 */
	99	if (cvec == 0200) {
	100	printf("vp reset vec from 200 to 174\n");
	101	cvec = 0174;
	102	}
	103	#endif
9c0adba0	104	return (sizeof (struct vpdevice));
fc4d0a69 BJ	105	}
	106
	107	/ARGSUSED/
	108	vpattach(ui)
	109	struct uba_device *ui;
	110	{
	111
	112	ui->ui_addr -= 010;
	113	ui->ui_physaddr -= 010;
	114	}
	115
	116	vpopen(dev)
	117	dev_t dev;
2a75a0e9	118	{
fc4d0a69 BJ	119	register struct vp_softc *sc;
	120	register struct vpdevice *vpaddr;
	121	register struct uba_device *ui;
2a75a0e9	122
fc4d0a69 BJ	123	if (VPUNIT(dev) >= NVP \|\|
	124	((sc = &vp_softc[minor(dev)])->sc_state&VPSC_OPEN) \|\|
	125	(ui = vpdinfo[VPUNIT(dev)]) == 0 \|\| ui->ui_alive == 0) {
2a75a0e9 BJ	126	u.u_error = ENXIO;
	127	return;
	128	}
fc4d0a69 BJ	129	vpaddr = (struct vpdevice *)ui->ui_addr;
	130	sc->sc_state = VPSC_OPEN\|VPSC_PRINT \| VP_CLRCOM\|VP_RESET;
	131	sc->sc_count = 0;
	132	vpaddr->prcsr = VP_IENABLE\|VP_DTCINTR;
	133	vptimo(dev);
	134	while (sc->sc_state & VPSC_CMNDS) {
81263dba	135	(void) spl4();
fc4d0a69 BJ	136	if (vpwait(dev)) {
fc4d0a69 BJ	137	vpclose(dev);
2a75a0e9 BJ	138	u.u_error = EIO;
	139	return;
	140	}
fc4d0a69	141	vpstart(dev);
81263dba	142	(void) spl0();
2a75a0e9 BJ	143	}
	144	}
	145
	146	vpstrategy(bp)
	147	register struct buf *bp;
	148	{
	149	register int e;
fc4d0a69 BJ	150	register struct vp_softc *sc = &vp_softc[VPUNIT(bp->b_dev)];
	151	register struct uba_device *ui = vpdinfo[VPUNIT(bp->b_dev)];
	152	register struct vpdevice vpaddr = (struct vpdevice )ui->ui_addr;
2a75a0e9	153
81263dba	154	(void) spl4();
fc4d0a69 BJ	155	while (sc->sc_state & VPSC_BUSY)
	156	sleep((caddr_t)sc, VPPRI);
	157	sc->sc_state \|= VPSC_BUSY;
	158	sc->sc_bp = bp;
	159	sc->sc_ubinfo = ubasetup(ui->ui_ubanum, bp, UBA_NEEDBDP);
	160	if (e = vpwait(bp->b_dev))
2a75a0e9	161	goto brkout;
fc4d0a69 BJ	162	sc->sc_count = bp->b_bcount;
	163	vpstart(bp->b_dev);
	164	while (((sc->sc_state&VPSC_PLOT) ? vpaddr->plcsr : vpaddr->prcsr) & VP_DMAACT)
	165	sleep((caddr_t)sc, VPPRI);
	166	sc->sc_count = 0;
	167	if ((sc->sc_state&VPSC_MODE) == VPSC_SPP)
	168	sc->sc_state = (sc->sc_state &~ VPSC_MODE) \| VPSC_PLOT;
81263dba	169	(void) spl0();
2a75a0e9	170	brkout:
fc4d0a69 BJ	171	ubarelse(ui->ui_ubanum, &sc->sc_ubinfo);
	172	sc->sc_state &= ~VPSC_BUSY;
	173	sc->sc_bp = 0;
2a75a0e9 BJ	174	iodone(bp);
	175	if (e)
	176	u.u_error = EIO;
fc4d0a69	177	wakeup((caddr_t)sc);
2a75a0e9 BJ	178	}
	179
	180	int vpblock = 16384;
	181
	182	unsigned
	183	minvpph(bp)
fc4d0a69	184	struct buf *bp;
2a75a0e9 BJ	185	{
	186
	187	if (bp->b_bcount > vpblock)
	188	bp->b_bcount = vpblock;
	189	}
	190
	191	/ARGSUSED/
	192	vpwrite(dev)
fc4d0a69	193	dev_t dev;
2a75a0e9 BJ	194	{
2a75a0e9 BJ	195
002227dd BJ	196	if (VPUNIT(dev) >= NVP)
	197	u.u_error = ENXIO;
	198	else
	199	physio(vpstrategy, &rvpbuf[VPUNIT(dev)], dev, B_WRITE,
	200	minvpph, uio);
2a75a0e9 BJ	201	}
2a75a0e9 BJ	202
fc4d0a69 BJ	203	vpwait(dev)
fc4d0a69 BJ	204	dev_t dev;
2a75a0e9	205	{
fc4d0a69 BJ	206	register struct vpdevice *vpaddr =
	207	(struct vpdevice *)vpdinfo[VPUNIT(dev)]->ui_addr;
	208	register struct vp_softc *sc = &vp_softc[VPUNIT(dev)];
	209	register int e;
2a75a0e9	210
fc4d0a69 BJ	211	for (;;) {
	212	e = (sc->sc_state & VPSC_PLOT) ? vpaddr->plcsr : vpaddr->prcsr;
	213	if (e & (VP_READY\|VP_ERROR))
	214	break;
	215	sleep((caddr_t)sc, VPPRI);
	216	}
	217	/* I wish i could tell whether an error indicated an npr timeout */
	218	return (e & VP_ERROR);
2a75a0e9 BJ	219	}
2a75a0e9 BJ	220
fc4d0a69 BJ	221	vpstart(dev)
fc4d0a69 BJ	222	dev_t;
2a75a0e9	223	{
fc4d0a69 BJ	224	register struct vp_softc *sc = &vp_softc[VPUNIT(dev)];
	225	register struct vpdevice *vpaddr =
	226	(struct vpdevice *)vpdinfo[VPUNIT(dev)]->ui_addr;
	227	short bit;
	228
	229	if (sc->sc_count) {
	230	vpaddr->pbaddr = sc->sc_ubinfo;
	231	vpaddr->pbxaddr = (sc->sc_ubinfo>>12)&0x30;
	232	if (sc->sc_state & (VPSC_PRINT\|VPSC_SPP))
	233	vpaddr->prbcr = sc->sc_count;
2a75a0e9	234	else
fc4d0a69	235	vpaddr->plbcr = sc->sc_count;
2a75a0e9 BJ	236	return;
	237	}
	238	for (bit = 1; bit != 0; bit <<= 1)
fc4d0a69 BJ	239	if (sc->sc_state&bit&VPSC_CMNDS) {
	240	vpaddr->plcsr \|= bit;
	241	sc->sc_state &= ~bit;
2a75a0e9 BJ	242	return;
	243	}
	244	}
	245
	246	/ARGSUSED/
	247	vpioctl(dev, cmd, addr, flag)
fc4d0a69 BJ	248	dev_t dev;
fc4d0a69 BJ	249	int cmd;
2a75a0e9	250	register caddr_t addr;
fc4d0a69	251	int flag;
2a75a0e9 BJ	252	{
2a75a0e9 BJ	253	register int m;
fc4d0a69 BJ	254	register struct vp_softc *sc = &vp_softc[VPUNIT(dev)];
	255	register struct vpdevice *vpaddr =
	256	(struct vpdevice *)vpdinfo[VPUNIT(dev)]->ui_addr;
2a75a0e9 BJ	257
	258	switch (cmd) {
	259
fc4d0a69 BJ	260	case VGETSTATE:
fc4d0a69 BJ	261	(void) suword(addr, sc->sc_state);
2a75a0e9 BJ	262	return;
2a75a0e9 BJ	263
fc4d0a69	264	case VSETSTATE:
2a75a0e9 BJ	265	m = fuword(addr);
	266	if (m == -1) {
	267	u.u_error = EFAULT;
	268	return;
	269	}
fc4d0a69 BJ	270	sc->sc_state =
fc4d0a69 BJ	271	(sc->sc_state & ~VPSC_MODE) \| (m&(VPSC_MODE\|VPSC_CMNDS));
2a75a0e9 BJ	272	break;
	273
	274	default:
	275	u.u_error = ENOTTY;
	276	return;
	277	}
81263dba	278	(void) spl4();
fc4d0a69 BJ	279	(void) vpwait(dev);
	280	if (sc->sc_state&VPSC_SPP)
	281	vpaddr->plcsr \|= VP_SPP;
2a75a0e9	282	else
fc4d0a69 BJ	283	vpaddr->plcsr &= ~VP_SPP;
	284	sc->sc_count = 0;
	285	while (sc->sc_state & VPSC_CMNDS) {
	286	(void) vpwait(dev);
	287	vpstart(dev);
2a75a0e9	288	}
81263dba	289	(void) spl0();
2a75a0e9 BJ	290	}
2a75a0e9 BJ	291
fc4d0a69 BJ	292	vptimo(dev)
fc4d0a69 BJ	293	dev_t dev;
2a75a0e9	294	{
fc4d0a69	295	register struct vp_softc *sc = &vp_softc[VPUNIT(dev)];
2a75a0e9	296
fc4d0a69 BJ	297	if (sc->sc_state&VPSC_OPEN)
	298	timeout(vptimo, (caddr_t)dev, hz/10);
	299	vpintr(dev);
2a75a0e9 BJ	300	}
	301
	302	/ARGSUSED/
	303	vpintr(dev)
fc4d0a69	304	dev_t dev;
2a75a0e9	305	{
fc4d0a69	306	register struct vp_softc *sc = &vp_softc[VPUNIT(dev)];
2a75a0e9	307
fc4d0a69	308	wakeup((caddr_t)sc);
2a75a0e9 BJ	309	}
2a75a0e9 BJ	310
fc4d0a69 BJ	311	vpclose(dev)
fc4d0a69 BJ	312	dev_t dev;
2a75a0e9	313	{
fc4d0a69 BJ	314	register struct vp_softc *sc = &vp_softc[VPUNIT(dev)];
	315	register struct vpdevice *vpaddr =
	316	(struct vpdevice *)vpdinfo[VPUNIT(dev)]->ui_addr;
2a75a0e9	317
fc4d0a69 BJ	318	sc->sc_state = 0;
	319	sc->sc_count = 0;
	320	vpaddr->plcsr = 0;
2a75a0e9	321	}
d62630e9	322
fc4d0a69 BJ	323	vpreset(uban)
fc4d0a69 BJ	324	int uban;
d62630e9	325	{
fc4d0a69 BJ	326	register int vp11;
	327	register struct uba_device *ui;
	328	register struct vp_softc *sc = vp_softc;
	329	register struct vpdevice *vpaddr;
	330
	331	for (vp11 = 0; vp11 < NVP; vp11++, sc++) {
	332	if ((ui = vpdinfo[vp11]) == 0 \|\| ui->ui_alive == 0 \|\|
	333	ui->ui_ubanum != uban \|\| (sc->sc_state&VPSC_OPEN) == 0)
	334	continue;
	335	printf(" vp%d", vp11);
	336	vpaddr = (struct vpdevice *)ui->ui_addr;
	337	vpaddr->prcsr = VP_IENABLE\|VP_DTCINTR;
	338	if ((sc->sc_state & VPSC_BUSY) == 0)
	339	continue;
	340	if (sc->sc_ubinfo) {
	341	printf("<%d>", (sc->sc_ubinfo>>28)&0xf);
	342	ubarelse(ui->ui_ubanum, &sc->sc_ubinfo);
	343	}
	344	sc->sc_count = sc->sc_bp->b_bcount;
	345	vpstart(sc->sc_bp->b_dev);
d62630e9	346	}
d62630e9	347	}
941b74fe SL	348
	349	vpselect()
	350	{
	351	return (1);
	352	}
a5cc519e	353	#endif