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
|
/* $OpenBSD: pccomvar.h,v 1.17 2006/05/28 16:48:18 fkr 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_XR16850 0x10 /* 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;
|
