xref: /onnv-gate/usr/src/uts/sun4/sys/sudev.h (revision 5973:4f107fe01306)
152Sdf157793 /*
252Sdf157793  * CDDL HEADER START
352Sdf157793  *
452Sdf157793  * The contents of this file are subject to the terms of the
52877Sanovick  * Common Development and Distribution License (the "License").
6*5973Szk194757  * You may not use this file except in compliance with the License.
752Sdf157793  *
852Sdf157793  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
952Sdf157793  * or http://www.opensolaris.org/os/licensing.
1052Sdf157793  * See the License for the specific language governing permissions
1152Sdf157793  * and limitations under the License.
1252Sdf157793  *
1352Sdf157793  * When distributing Covered Code, include this CDDL HEADER in each
1452Sdf157793  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
1552Sdf157793  * If applicable, add the following below this CDDL HEADER, with the
1652Sdf157793  * fields enclosed by brackets "[]" replaced with your own identifying
1752Sdf157793  * information: Portions Copyright [yyyy] [name of copyright owner]
1852Sdf157793  *
1952Sdf157793  * CDDL HEADER END
2052Sdf157793  */
2152Sdf157793 /*	Copyright (c) 1990, 1991 UNIX System Laboratories, Inc.	*/
2252Sdf157793 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T	*/
2352Sdf157793 /*	  All Rights Reserved 	*/
2452Sdf157793 
2552Sdf157793 /*
26*5973Szk194757  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
2752Sdf157793  * Use is subject to license terms.
2852Sdf157793  */
2952Sdf157793 
3052Sdf157793 #ifndef	_SYS_SUDEV_H
3152Sdf157793 #define	_SYS_SUDEV_H
3252Sdf157793 
3352Sdf157793 #pragma ident	"%Z%%M%	%I%	%E% SMI"
3452Sdf157793 
3552Sdf157793 #ifdef __cplusplus
3652Sdf157793 extern "C" {
3752Sdf157793 #endif
3852Sdf157793 
3952Sdf157793 #include <sys/tty.h>
4052Sdf157793 #include <sys/ksynch.h>
4152Sdf157793 #include <sys/dditypes.h>
4252Sdf157793 #include <sys/types.h>
4352Sdf157793 #include <sys/kstat.h>
4452Sdf157793 
4552Sdf157793 /*
4652Sdf157793  * Definitions for INS8250 / 16550  chips
4752Sdf157793  */
4852Sdf157793 
4952Sdf157793 /* defined as offsets from the data register */
5052Sdf157793 #define	DAT		0 	/* receive/transmit data */
5152Sdf157793 #define	ICR		1  	/* interrupt control register */
5252Sdf157793 #define	ISR		2   	/* interrupt status register */
5352Sdf157793 #define	LCR		3   	/* line control register */
5452Sdf157793 #define	MCR		4   	/* modem control register */
5552Sdf157793 #define	LSR		5   	/* line status register */
5652Sdf157793 #define	MSR		6   	/* modem status register */
572877Sanovick #define	SPR		7   	/* scratchpad register for ST16C554D */
5852Sdf157793 #define	DLL		0   	/* divisor latch (lsb) */
5952Sdf157793 #define	DLH		1   	/* divisor latch (msb) */
6052Sdf157793 #define	FIFOR		ISR	/* FIFO register for 16550 */
6152Sdf157793 #define	OUTB(offset, value)	ddi_put8(asy->asy_handle, \
6252Sdf157793 				    asy->asy_ioaddr+offset, value)
6352Sdf157793 #define	INB(offset)	ddi_get8(asy->asy_handle, asy->asy_ioaddr+offset)
6452Sdf157793 
6552Sdf157793 /*
6652Sdf157793  * INTEL 8210-A/B & 16450/16550 Registers Structure.
6752Sdf157793  */
6852Sdf157793 
6952Sdf157793 /* Line Control Register */
7052Sdf157793 #define	WLS0		0x01	/* word length select bit 0 */
7152Sdf157793 #define	WLS1		0x02	/* word length select bit 2 */
7252Sdf157793 #define	STB		0x04	/* number of stop bits */
7352Sdf157793 #define	PEN		0x08	/* parity enable */
7452Sdf157793 #define	EPS		0x10	/* even parity select */
7552Sdf157793 #define	SETBREAK 	0x40	/* break key */
7652Sdf157793 #define	DLAB		0x80	/* divisor latch access bit */
7752Sdf157793 #define	RXLEN   	0x03   	/* # of data bits per received/xmitted char */
7852Sdf157793 #define	STOP1   	0x00
7952Sdf157793 #define	STOP2   	0x04
8052Sdf157793 #define	PAREN   	0x08
8152Sdf157793 #define	PAREVN  	0x10
8252Sdf157793 #define	PARMARK 	0x20
8352Sdf157793 #define	SNDBRK  	0x40
8452Sdf157793 
8552Sdf157793 
8652Sdf157793 #define	BITS5		0x00	/* 5 bits per char */
8752Sdf157793 #define	BITS6		0x01	/* 6 bits per char */
8852Sdf157793 #define	BITS7		0x02	/* 7 bits per char */
8952Sdf157793 #define	BITS8		0x03	/* 8 bits per char */
9052Sdf157793 
9152Sdf157793 /* baud rate definitions */
9252Sdf157793 #define	ASY110		1047	/* 110 baud rate for serial console */
9352Sdf157793 #define	ASY150		768	/* 150 baud rate for serial console */
9452Sdf157793 #define	ASY300		384	/* 300 baud rate for serial console */
9552Sdf157793 #define	ASY600		192	/* 600 baud rate for serial console */
9652Sdf157793 #define	ASY1200		96	/* 1200 baud rate for serial console */
9752Sdf157793 #define	ASY2400		48	/* 2400 baud rate for serial console */
9852Sdf157793 #define	ASY4800		24	/* 4800 baud rate for serial console */
9952Sdf157793 #define	ASY9600		12	/* 9600 baud rate for serial console */
10052Sdf157793 
10152Sdf157793 /* Line Status Register */
10252Sdf157793 #define	RCA		0x01	/* data ready */
10352Sdf157793 #define	OVRRUN		0x02	/* overrun error */
10452Sdf157793 #define	PARERR		0x04	/* parity error */
10552Sdf157793 #define	FRMERR		0x08	/* framing error */
10652Sdf157793 #define	BRKDET  	0x10	/* a break has arrived */
10752Sdf157793 #define	XHRE		0x20	/* tx hold reg is now empty */
10852Sdf157793 #define	XSRE		0x40	/* tx shift reg is now empty */
10952Sdf157793 #define	RFBE		0x80	/* rx FIFO Buffer error */
11052Sdf157793 
11152Sdf157793 /* Interrupt Id Regisger */
11252Sdf157793 #define	MSTATUS		0x00	/* modem status changed */
11352Sdf157793 #define	NOINTERRUPT	0x01	/* no interrupt pending */
11452Sdf157793 #define	TxRDY		0x02	/* Transmitter Holding Register Empty */
11552Sdf157793 #define	RxRDY		0x04	/* Receiver Data Available */
11652Sdf157793 #define	FFTMOUT 	0x0c	/* FIFO timeout - 16550AF */
11752Sdf157793 #define	RSTATUS 	0x06	/* Receiver Line Status */
11852Sdf157793 
11952Sdf157793 /* Interrupt Enable Register */
12052Sdf157793 #define	RIEN		0x01	/* Received Data Ready */
12152Sdf157793 #define	TIEN		0x02	/* Tx Hold Register Empty */
12252Sdf157793 #define	SIEN		0x04	/* Receiver Line Status */
12352Sdf157793 #define	MIEN		0x08	/* Modem Status */
12452Sdf157793 
12552Sdf157793 /* Modem Control Register */
12652Sdf157793 #define	DTR		0x01	/* Data Terminal Ready */
12752Sdf157793 #define	RTS		0x02	/* Request To Send */
12852Sdf157793 #define	OUT1		0x04	/* Aux output - not used */
12952Sdf157793 #define	OUT2		0x08	/* dis/enable int per INO on ALI1535D+ */
13052Sdf157793 #define	ASY_LOOP	0x10	/* loopback for diagnostics */
13152Sdf157793 
13252Sdf157793 /* Modem Status Register */
13352Sdf157793 #define	DCTS		0x01	/* Delta Clear To Send */
13452Sdf157793 #define	DDSR		0x02	/* Delta Data Set Ready */
13552Sdf157793 #define	DRI		0x04	/* Trail Edge Ring Indicator */
13652Sdf157793 #define	DDCD		0x08	/* Delta Data Carrier Detect */
13752Sdf157793 #define	CTS		0x10	/* Clear To Send */
13852Sdf157793 #define	DSR		0x20	/* Data Set Ready */
13952Sdf157793 #define	RI		0x40	/* Ring Indicator */
14052Sdf157793 #define	DCD		0x80	/* Data Carrier Detect */
14152Sdf157793 
14252Sdf157793 #define	DELTAS(x)	((x)&(DCTS|DDSR|DRI|DDCD))
14352Sdf157793 #define	STATES(x)	((x)(CTS|DSR|RI|DCD))
14452Sdf157793 
14552Sdf157793 /* flags for FCR (FIFO Control register) */
14652Sdf157793 #define	FIFO_OFF	0x00	/* fifo disabled */
14752Sdf157793 #define	FIFO_ON		0x01	/* fifo enabled */
14852Sdf157793 #define	FIFOEN		0x8f	/* fifo enabled, w/ 8 byte trigger */
14952Sdf157793 #define	FIFORCLR	0x8b	/* Clear receiver FIFO only */
15052Sdf157793 
15152Sdf157793 #define	FIFORXFLSH	0x02	/* flush receiver FIFO */
15252Sdf157793 #define	FIFOTXFLSH	0x04	/* flush transmitter FIFO */
15352Sdf157793 #define	FIFODMA		0x08	/* DMA mode 1 */
15452Sdf157793 #define	FIFO_TRIG_1	0x00	/* 1 byte trigger level */
15552Sdf157793 #define	FIFO_TRIG_4	0x40	/* 4 byte trigger level */
15652Sdf157793 #define	FIFO_TRIG_8	0x80	/* 8 byte trigger level */
15752Sdf157793 #define	FIFO_TRIG_14	0xC0	/* 14 byte trigger level */
15852Sdf157793 
15952Sdf157793 /*
16052Sdf157793  * Defines for ioctl calls (VP/ix)
16152Sdf157793  */
16252Sdf157793 
16352Sdf157793 #define	AIOC		('A'<<8)
16452Sdf157793 #define	AIOCINTTYPE	(AIOC|60)	/* set interrupt type */
16552Sdf157793 #define	AIOCDOSMODE	(AIOC|61)	/* set DOS mode */
16652Sdf157793 #define	AIOCNONDOSMODE	(AIOC|62)	/* reset DOS mode */
16752Sdf157793 #define	AIOCSERIALOUT	(AIOC|63)	/* serial device data write */
16852Sdf157793 #define	AIOCSERIALIN	(AIOC|64)	/* serial device data read */
16952Sdf157793 #define	AIOCSETSS	(AIOC|65)	/* set start/stop chars */
17052Sdf157793 #define	AIOCINFO	(AIOC|66)	/* tell usr what device we are */
17152Sdf157793 
17252Sdf157793 /* Ioctl alternate names used by VP/ix */
17352Sdf157793 #define	VPC_SERIAL_DOS		AIOCDOSMODE
17452Sdf157793 #define	VPC_SERIAL_NONDOS	AIOCNONDOSMODE
17552Sdf157793 #define	VPC_SERIAL_INFO		AIOCINFO
17652Sdf157793 #define	VPC_SERIAL_OUT		AIOCSERIALOUT
17752Sdf157793 #define	VPC_SERIAL_IN		AIOCSERIALIN
17852Sdf157793 
17952Sdf157793 /* Serial in/out requests */
18052Sdf157793 #define	SO_DIVLLSB	1
18152Sdf157793 #define	SO_DIVLMSB	2
18252Sdf157793 #define	SO_LCR		3
18352Sdf157793 #define	SO_MCR		4
18452Sdf157793 #define	SI_MSR		1
18552Sdf157793 #define	SIO_MASK(elem)		(1<<((elem)-1))
18652Sdf157793 
18752Sdf157793 #define	OVERRUN		040000
18852Sdf157793 #define	FRERROR		020000
18952Sdf157793 #define	PERROR		010000
19052Sdf157793 #define	S_ERRORS	(PERROR|OVERRUN|FRERROR)
19152Sdf157793 
19252Sdf157793 /*
19352Sdf157793  * Ring buffer and async line management definitions.
19452Sdf157793  */
19552Sdf157793 #define	RINGBITS	16		/* # of bits in ring ptrs */
19652Sdf157793 #define	RINGSIZE	(1<<RINGBITS)   /* size of ring */
19752Sdf157793 #define	RINGMASK	(RINGSIZE-1)
19852Sdf157793 #define	RINGFRAC	12		/* fraction of ring to force flush */
19952Sdf157793 
20052Sdf157793 #define	RING_INIT(ap)  ((ap)->async_rput = (ap)->async_rget = 0)
20152Sdf157793 #define	RING_CNT(ap)   (((ap)->async_rput - (ap)->async_rget) & RINGMASK)
20252Sdf157793 #define	RING_FRAC(ap)  ((int)RING_CNT(ap) >= (int)(RINGSIZE/RINGFRAC))
20352Sdf157793 #define	RING_POK(ap, n) ((int)RING_CNT(ap) < (int)(RINGSIZE-(n)))
20452Sdf157793 #define	RING_PUT(ap, c) \
20552Sdf157793 	((ap)->async_ring[(ap)->async_rput++ & RINGMASK] =  (uchar_t)(c))
20652Sdf157793 #define	RING_UNPUT(ap) ((ap)->async_rput--)
20752Sdf157793 #define	RING_GOK(ap, n) ((int)RING_CNT(ap) >= (int)(n))
20852Sdf157793 #define	RING_GET(ap)   ((ap)->async_ring[(ap)->async_rget++ & RINGMASK])
20952Sdf157793 #define	RING_EAT(ap, n) ((ap)->async_rget += (n))
21052Sdf157793 #define	RING_MARK(ap, c, s) \
21152Sdf157793 	((ap)->async_ring[(ap)->async_rput++ & RINGMASK] = ((uchar_t)(c)|(s)))
21252Sdf157793 #define	RING_UNMARK(ap) \
21352Sdf157793 	((ap)->async_ring[((ap)->async_rget) & RINGMASK] &= ~S_ERRORS)
21452Sdf157793 #define	RING_ERR(ap, c) \
21552Sdf157793 	((ap)->async_ring[((ap)->async_rget) & RINGMASK] & (c))
21652Sdf157793 
21752Sdf157793 /*
21852Sdf157793  * Serial kstats structure and macro to increment an individual kstat
21952Sdf157793  */
22052Sdf157793 struct serial_kstats {
22152Sdf157793 		kstat_named_t	ringover;	/* ring buffer overflow */
22252Sdf157793 		kstat_named_t	siloover;	/* silo overflow */
22352Sdf157793 };
22452Sdf157793 
22552Sdf157793 #define	INC64_KSTAT(asy, stat) (asy)->kstats.stat.value.ui64++;
22652Sdf157793 
22752Sdf157793 /*
22852Sdf157793  * Hardware channel common data. One structure per port.
22952Sdf157793  * Each of the fields in this structure is required to be protected by a
23052Sdf157793  * mutex lock at the highest priority at which it can be altered.
23152Sdf157793  * The asy_flags, and asy_next fields can be altered by interrupt
23252Sdf157793  * handling code that must be protected by the mutex whose handle is
23352Sdf157793  * stored in asy_excl_hi.  All others can be protected by the asy_excl
23452Sdf157793  * mutex, which is lower priority and adaptive.
23552Sdf157793  */
23652Sdf157793 struct asycom {
23752Sdf157793 	int		asy_flags;	/* random flags  */
23852Sdf157793 					/* protected by asy_excl_hi lock */
23952Sdf157793 	uint_t		asy_hwtype;	/* HW type: ASY82510, etc. */
24052Sdf157793 	uint_t		asy_use_fifo;	/* HW FIFO use it or not ?? */
24152Sdf157793 	uint_t		asy_fifo_buf;	/* With FIFO = 16, otherwise = 1 */
24252Sdf157793 	uchar_t		*asy_ioaddr;	/* i/o address of ASY port */
24352Sdf157793 	uint_t		asy_vect;	/* IRQ number */
24452Sdf157793 	boolean_t	suspended;	/* TRUE if driver suspended */
24552Sdf157793 	caddr_t		asy_priv;	/* protocol private data */
24652Sdf157793 	dev_info_t	*asy_dip;	/* dev_info */
24752Sdf157793 	long		asy_unit;	/* which port */
24852Sdf157793 	ddi_iblock_cookie_t asy_iblock;
24952Sdf157793 	kmutex_t	*asy_excl;	/* asy adaptive mutex */
25052Sdf157793 	kmutex_t	*asy_excl_hi;	/* asy spinlock mutex */
25152Sdf157793 	ddi_acc_handle_t asy_handle;    /* ddi_get/put handle */
25252Sdf157793 	ushort_t	asy_rsc_console;	/* RSC console port */
25352Sdf157793 	ushort_t	asy_rsc_control;	/* RSC control port */
25452Sdf157793 	ushort_t	asy_lom_console;	/* LOM console port */
25552Sdf157793 	uint_t		asy_xmit_count;	/* Count the no of xmits in one intr */
25652Sdf157793 	uint_t		asy_out_of_band_xmit; /* Out of band xmission */
25752Sdf157793 	uint_t		asy_rx_count;	/* No. of bytes rx'eved in one intr */
25852Sdf157793 	uchar_t		asy_device_type; /* Currently used for this device */
25952Sdf157793 	uchar_t		asy_trig_level;	/* Receive FIFO trig level */
26052Sdf157793 	kmutex_t	*asy_soft_lock;	/* soft lock for gaurding softpend. */
26152Sdf157793 	int		asysoftpend;	/* Flag indicating soft int pending. */
26252Sdf157793 	ddi_softintr_t asy_softintr_id;
26352Sdf157793 	ddi_iblock_cookie_t asy_soft_iblock;
26452Sdf157793 	int		asy_baud_divisor_factor; /* for different chips */
26552Sdf157793 	int		asy_ocflags; /* old cflags used in asy_program() */
26652Sdf157793 	uint_t		asy_cached_msr; /* a cache for the MSR register */
26752Sdf157793 	int		asy_speed_cap; /* maximum baud rate */
26852Sdf157793 	kstat_t		*sukstat;	/* ptr to serial kstats */
26952Sdf157793 	struct serial_kstats kstats;	/* serial kstats structure */
27052Sdf157793 	boolean_t	inperim;	/* in streams q perimeter */
271*5973Szk194757 	cons_polledio_t polledio;	/* polled IO functios */
272*5973Szk194757 	uchar_t		polled_icr;	/* the value of ICR on start of poll */
273*5973Szk194757 	boolean_t	polled_enter;	/* if asy_polled_enter was called */
27452Sdf157793 };
27552Sdf157793 
27652Sdf157793 /*
27752Sdf157793  * Asychronous protocol private data structure for ASY.
27852Sdf157793  * Each of the fields in the structure is required to be protected by
27952Sdf157793  * the lower priority lock except the fields that are set only at
28052Sdf157793  * base level but cleared (with out lock) at interrupt level.
28152Sdf157793  */
28252Sdf157793 struct asyncline {
28352Sdf157793 	int		async_flags;	/* random flags */
28452Sdf157793 	kcondvar_t	async_flags_cv; /* condition variable for flags */
28552Sdf157793 	dev_t		async_dev;	/* device major/minor numbers */
28652Sdf157793 	mblk_t		*async_xmitblk;	/* transmit: active msg block */
28752Sdf157793 	struct asycom	*async_common;	/* device common data */
28852Sdf157793 	tty_common_t 	async_ttycommon; /* tty driver common data */
28952Sdf157793 	bufcall_id_t	async_wbufcid;	/* id for pending write-side bufcall */
29052Sdf157793 	timeout_id_t	async_polltid;	/* softint poll timeout id */
29152Sdf157793 
29252Sdf157793 	/*
29352Sdf157793 	 * The following fields are protected by the asy_excl_hi lock.
29452Sdf157793 	 * Some, such as async_flowc, are set only at the base level and
29552Sdf157793 	 * cleared (without the lock) only by the interrupt level.
29652Sdf157793 	 */
29752Sdf157793 	uchar_t		*async_optr;	/* output pointer */
29852Sdf157793 	int		async_ocnt;	/* output count */
29952Sdf157793 	uint_t		async_rput;	/* producing pointer for input */
30052Sdf157793 	uint_t		async_rget;	/* consuming pointer for input */
30152Sdf157793 	uchar_t		async_flowc;	/* flow control char to send */
30252Sdf157793 
30352Sdf157793 	/*
30452Sdf157793 	 * Each character stuffed into the ring has two bytes associated
30552Sdf157793 	 * with it.  The first byte is used to indicate special conditions
30652Sdf157793 	 * and the second byte is the actual data.  The ring buffer
30752Sdf157793 	 * needs to be defined as ushort_t to accomodate this.
30852Sdf157793 	 */
30952Sdf157793 	ushort_t	async_ring[RINGSIZE];
31052Sdf157793 
31152Sdf157793 	short		async_break;	/* break count */
31252Sdf157793 
31352Sdf157793 	union {
31452Sdf157793 		struct {
31552Sdf157793 			uchar_t _hw;	/* overrun (hw) */
31652Sdf157793 			uchar_t _sw;	/* overrun (sw) */
31752Sdf157793 		} _a;
31852Sdf157793 		ushort_t uover_overrun;
31952Sdf157793 	} async_uover;
32052Sdf157793 #define	async_overrun		async_uover._a.uover_overrun
32152Sdf157793 #define	async_hw_overrun	async_uover._a._hw
32252Sdf157793 #define	async_sw_overrun	async_uover._a._sw
32352Sdf157793 	short		async_ext;	/* modem status change count */
32452Sdf157793 	short		async_work;	/* work to do flag */
32552Sdf157793 	uchar_t		async_queue_full; /* Streams Queue Full */
32652Sdf157793 	uchar_t		async_ringbuf_overflow; /* when ring buffer overflows */
32752Sdf157793 	timeout_id_t	async_timer;	/* close drain progress timer */
32852Sdf157793 };
32952Sdf157793 
33052Sdf157793 /* definitions for async_flags field */
33152Sdf157793 #define	ASYNC_EXCL_OPEN	 0x10000000	/* exclusive open */
33252Sdf157793 #define	ASYNC_WOPEN	 0x00000001	/* waiting for open to complete */
33352Sdf157793 #define	ASYNC_ISOPEN	 0x00000002	/* open is complete */
33452Sdf157793 #define	ASYNC_OUT	 0x00000004	/* line being used for dialout */
33552Sdf157793 #define	ASYNC_CARR_ON	 0x00000008	/* carrier on last time we looked */
33652Sdf157793 #define	ASYNC_STOPPED	 0x00000010	/* output is stopped */
33752Sdf157793 #define	ASYNC_DELAY	 0x00000020	/* waiting for delay to finish */
33852Sdf157793 #define	ASYNC_BREAK	 0x00000040	/* waiting for break to finish */
33952Sdf157793 #define	ASYNC_BUSY	 0x00000080	/* waiting for transmission to finish */
34052Sdf157793 #define	ASYNC_DRAINING	 0x00000100	/* waiting for output to drain */
34152Sdf157793 #define	ASYNC_SERVICEIMM 0x00000200	/* queue soft interrupt as soon as */
34252Sdf157793 #define	ASYNC_HW_IN_FLOW 0x00000400	/* input flow control in effect */
34352Sdf157793 #define	ASYNC_HW_OUT_FLW 0x00000800	/* output flow control in effect */
34452Sdf157793 #define	ASYNC_PROGRESS	 0x00001000	/* made progress on output effort */
34552Sdf157793 #define	ASYNC_CLOSING	 0x00002000	/* closing the stream */
34652Sdf157793 
34752Sdf157793 /* asy_hwtype definitions */
34852Sdf157793 #define	ASY82510	0x1
34952Sdf157793 #define	ASY16550AF	0x2
35052Sdf157793 #define	ASY8250		0x3		/* 8250 or 16450 or 16550 */
3512877Sanovick #define	ASY16C554D	0x4		/* ST16C554D */
35252Sdf157793 
35352Sdf157793 /* definitions for asy_flags field */
35452Sdf157793 #define	ASY_NEEDSOFT	0x00000001
35552Sdf157793 #define	ASY_DOINGSOFT	0x00000002
35652Sdf157793 #define	ASY_PPS		0x00000004
35752Sdf157793 #define	ASY_PPS_EDGE	0x00000008
35852Sdf157793 #define	ASY_IGNORE_CD	0x00000040
35952Sdf157793 
36052Sdf157793 /*
36152Sdf157793  * Different devices this driver supports and what it is used to drive
36252Sdf157793  * currently
36352Sdf157793  */
36452Sdf157793 #define	ASY_KEYBOARD 	0x01
36552Sdf157793 #define	ASY_MOUSE	0x02
36652Sdf157793 #define	ASY_SERIAL	0x03
36752Sdf157793 
36852Sdf157793 /*
36952Sdf157793  * RSC_DEVICE defines the bit in the minor device number that specifies
37052Sdf157793  * the tty line is to be used for console/controlling a RSC device.
37152Sdf157793  */
37252Sdf157793 #define	RSC_DEVICE	(1 << (NBITSMINOR32 - 4))
37352Sdf157793 
37452Sdf157793 /*
37552Sdf157793  * OUTLINE defines the high-order flag bit in the minor device number that
37652Sdf157793  * controls use of a tty line for dialin and dialout simultaneously.
37752Sdf157793  */
37852Sdf157793 #define	OUTLINE		(1 << (NBITSMINOR32 - 1))
37952Sdf157793 #define	UNIT(x)		(getminor(x) & ~(OUTLINE | RSC_DEVICE))
38052Sdf157793 
38152Sdf157793 /* suggested number of soft state instances */
38252Sdf157793 #define	SU_INITIAL_SOFT_ITEMS	0x02
38352Sdf157793 
38452Sdf157793 /*
38552Sdf157793  * ASYSETSOFT macro to pend a soft interrupt if one isn't already pending.
38652Sdf157793  */
38752Sdf157793 
38852Sdf157793 #define	ASYSETSOFT(asy)	{		\
38952Sdf157793 	if (mutex_tryenter(asy->asy_soft_lock)) {	\
39052Sdf157793 		asy->asy_flags |= ASY_NEEDSOFT;	\
39152Sdf157793 		if (!asy->asysoftpend) {		\
39252Sdf157793 			asy->asysoftpend = 1;	\
39352Sdf157793 			mutex_exit(asy->asy_soft_lock);\
39452Sdf157793 			ddi_trigger_softintr(asy->asy_softintr_id);\
39552Sdf157793 		} else					\
39652Sdf157793 			mutex_exit(asy->asy_soft_lock);\
39752Sdf157793 	}						\
39852Sdf157793 }
39952Sdf157793 
40052Sdf157793 #ifdef __cplusplus
40152Sdf157793 }
40252Sdf157793 #endif
40352Sdf157793 
40452Sdf157793 #endif	/* _SYS_SUDEV_H */
405