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
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
/* $OpenBSD: comvar.h,v 1.59 2022/01/11 11:51:14 uaa Exp $ */
/* $NetBSD: comvar.h,v 1.5 1996/05/05 19:50:47 christos Exp $ */
/*
* Copyright (c) 1997 - 1998, Jason Downs. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``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(S) 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.
*/
/*
* 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.
*/
#include <sys/timeout.h>
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;
};
#define COM_IBUFSIZE (32 * 512)
#define COM_IHIGHWATER ((3 * COM_IBUFSIZE) / 4)
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;
void *sc_si;
int sc_overflows;
int sc_floods;
int sc_errors;
int sc_halt;
bus_addr_t sc_iobase;
int sc_frequency;
bus_space_handle_t sc_ioh;
u_char sc_reg_width;
u_char sc_reg_shift;
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 0x11 /* 128 byte fifo */
#define COM_UART_XR17V35X 0x12 /* 256 byte fifo */
#define COM_UART_DW_APB 0x13 /* configurable */
u_char sc_hwflags;
#define COM_HW_NOIEN 0x01
#define COM_HW_FIFO 0x02
#define COM_HW_SIR 0x20
#define COM_HW_CONSOLE 0x40
u_char sc_swflags;
#define COM_SW_SOFTCAR 0x01
#define COM_SW_CLOCAL 0x02
#define COM_SW_CRTSCTS 0x04
#define COM_SW_MDMBUF 0x08
#define COM_SW_PPS 0x10
#define COM_SW_DEAD 0x20
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 */
u_char *sc_ibuf, *sc_ibufp, *sc_ibufhigh, *sc_ibufend;
u_char sc_ibufs[2][COM_IBUFSIZE];
/* power management hooks */
int (*enable)(struct com_softc *);
void (*disable)(struct com_softc *);
int enabled;
};
uint8_t com_read_reg(struct com_softc *, bus_size_t);
void com_write_reg(struct com_softc *, bus_size_t, uint8_t);
int comprobe1(bus_space_tag_t, bus_space_handle_t);
int comstop(struct tty *, int);
int comintr(void *);
int com_detach(struct device *, int);
int com_activate(struct device *, int);
void com_resume(struct com_softc *);
void comdiag(void *);
int comspeed(long, long);
u_char com_cflag2lcr(tcflag_t); /* XXX undefined */
int comparam(struct tty *, struct termios *);
void comstart(struct tty *);
void comsoft(void *);
uint8_t comcn_read_reg(bus_size_t);
void comcn_write_reg(bus_size_t, uint8_t);
struct consdev;
int comcnattach(bus_space_tag_t, bus_addr_t, int, int, tcflag_t);
void comcnprobe(struct consdev *);
void comcninit(struct consdev *);
int comcngetc(dev_t);
void comcnputc(dev_t, int);
void comcnpollc(dev_t, int);
void com_raisedtr(void *);
void com_attach_subr(struct com_softc *);
extern int comdefaultrate;
extern int comconsrate;
extern int comconsfreq;
extern bus_addr_t comconsaddr;
extern bus_addr_t comsiraddr;
extern int comconsattached;
extern bus_space_tag_t comconsiot;
extern bus_space_handle_t comconsioh;
extern int comconsunit;
extern tcflag_t comconscflag;
extern u_char comcons_reg_width;
extern u_char comcons_reg_shift;
|
