summaryrefslogtreecommitdiff
path: root/sys/arch/i386/isa/pccomvar.h
blob: 1119762240c4484ef3fefa835ec4620b35e3ff82 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
/*	$OpenBSD: pccomvar.h,v 1.19 2006/12/28 20:50:21 miod Exp $	*/
/*	$NetBSD: comvar.h,v 1.5 1996/05/05 19:50:47 christos Exp $	*/

/*
 * Copyright (c) 1996 Christopher G. Demetriou.  All rights reserved.
 *
 * 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 Christopher G. Demetriou
 *	for the NetBSD Project.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 */

/* XXX - should be shared among com.c and pccom.c */
struct commulti_attach_args {
	int		ca_slave;		/* slave number */

	bus_space_tag_t ca_iot;
	bus_space_handle_t ca_ioh;
	int		ca_iobase;
	int		ca_noien;
};

struct com_softc {
	struct device sc_dev;
	void *sc_ih;
	bus_space_tag_t sc_iot;
	struct tty *sc_tty;
	struct timeout sc_dtr_tmo;
	struct timeout sc_diag_tmo;

	int sc_overflows;
	int sc_floods;
	int sc_errors;

	int sc_halt;

	int sc_iobase;
	int sc_frequency;

	bus_space_handle_t sc_ioh;
	bus_space_handle_t sc_hayespioh;

	u_char sc_uarttype;
#define COM_UART_UNKNOWN	0x00		/* unknown */
#define COM_UART_8250		0x01		/* no fifo */
#define COM_UART_16450		0x02		/* no fifo */
#define COM_UART_16550		0x03		/* no working fifo */
#define COM_UART_16550A		0x04		/* 16 byte fifo */
#define COM_UART_ST16650	0x05		/* no working fifo */
#define COM_UART_ST16650V2	0x06		/* 32 byte fifo */
#define COM_UART_TI16750	0x07		/* 64 byte fifo */
#define	COM_UART_ST16C654	0x08		/* 64 bytes fifo */
#define COM_UART_XR16850	0x10		/* 128 byte fifo */
#define COM_UART_OX16C950	0x12		/* 128 byte fifo */
	u_char sc_uartrev;

	u_char sc_hwflags;
#define	COM_HW_NOIEN	0x01
#define	COM_HW_FIFO	0x02
#define	COM_HW_CONSOLE	0x40
#define COM_HW_KGDB	0x80
	u_char sc_swflags;
#define	COM_SW_SOFTCAR	0x01
#define	COM_SW_CLOCAL	0x02
#define	COM_SW_CRTSCTS	0x04
#define	COM_SW_MDMBUF	0x08
	int	sc_fifolen;
	u_char sc_msr, sc_mcr, sc_lcr, sc_ier;
	u_char sc_dtr;

	u_char	sc_cua;

	u_char	sc_initialize;		/* force initialization */

#define RBUFSIZE 512                                                
#define RBUFMASK 511                                                     
	u_int sc_rxget;
	volatile u_int sc_rxput;
	u_char sc_rxbuf[RBUFSIZE];
	u_char *sc_tba;
	int sc_tbc;

	/* power management hooks */
	int (*enable)(struct com_softc *);
	void (*disable)(struct com_softc *);
	int enabled;
};

int	comprobe1(bus_space_tag_t, bus_space_handle_t);
void	cominit(bus_space_tag_t, bus_space_handle_t, int);
int	comstop(struct tty *, int);
int	comintr(void *);
int	com_detach(struct device *, int);
int	com_activate(struct device *, enum devact);

void	comdiag(void *);
int	comspeed(long, long);
int	comparam(struct tty *, struct termios *);
void	comstart(struct tty *);
void	comsoft(void);
int	comhwiflow(struct tty *, int);
void	com_raisedtr(void *);

struct consdev;
void	comcnprobe(struct consdev *);
void	comcninit(struct consdev *);
int	comcngetc(dev_t);
void	comcnputc(dev_t, int);
void	comcnpollc(dev_t, int);
int	com_common_getc(bus_space_tag_t, bus_space_handle_t);
void	com_common_putc(bus_space_tag_t, bus_space_handle_t, int);

#if defined(DDB) || defined(KGDB)
void	com_enable_debugport(struct com_softc *);
#endif /* DDB || KGDB */

#ifdef KGDB
extern bus_space_tag_t com_kgdb_iot;
extern bus_addr_t com_kgdb_addr;

int	com_kgdb_attach(bus_space_tag_t, bus_addr_t, int, int, tcflag_t);
int	kgdbintr(void *);
#endif /* KGDB */

void	com_attach_subr(struct com_softc *);

extern bus_addr_t comconsaddr;
extern int comconsinit;
extern int comconsattached;
extern bus_space_tag_t comconsiot;
extern bus_space_handle_t comconsioh;
extern tcflag_t comconscflag;