1 /* $OpenBSD: comvar.h,v 1.43 2007/05/08 21:28:11 deraadt Exp $ */
2 /* $NetBSD: comvar.h,v 1.5 1996/05/05 19:50:47 christos Exp $ */
3
4 /*
5 * Copyright (c) 1997 - 1998, Jason Downs. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS
17 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT,
20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
23 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28 /*
29 * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
30 *
31 * Redistribution and use in source and binary forms, with or without
32 * modification, are permitted provided that the following conditions
33 * are met:
34 * 1. Redistributions of source code must retain the above copyright
35 * notice, this list of conditions and the following disclaimer.
36 * 2. Redistributions in binary form must reproduce the above copyright
37 * notice, this list of conditions and the following disclaimer in the
38 * documentation and/or other materials provided with the distribution.
39 * 3. All advertising materials mentioning features or use of this software
40 * must display the following acknowledgement:
41 * This product includes software developed by Christopher G. Demetriou
42 * for the NetBSD Project.
43 * 4. The name of the author may not be used to endorse or promote products
44 * derived from this software without specific prior written permission
45 *
46 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
47 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
48 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
49 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
50 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
51 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
52 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
53 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
54 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
55 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
56 */
57
58 #include <sys/timeout.h>
59
60 struct commulti_attach_args {
61 int ca_slave; /* slave number */
62
63 bus_space_tag_t ca_iot;
64 bus_space_handle_t ca_ioh;
65 int ca_iobase;
66 int ca_noien;
67 };
68
69 #define COM_IBUFSIZE (2 * 512)
70 #define COM_IHIGHWATER ((3 * COM_IBUFSIZE) / 4)
71
72 struct com_softc {
73 struct device sc_dev;
74 void *sc_ih;
75 bus_space_tag_t sc_iot;
76 struct tty *sc_tty;
77 struct timeout sc_dtr_tmo;
78 struct timeout sc_diag_tmo;
79 #ifdef __HAVE_GENERIC_SOFT_INTERRUPTS
80 void *sc_si;
81 #else
82 struct timeout sc_comsoft_tmo;
83 #endif
84
85 int sc_overflows;
86 int sc_floods;
87 int sc_errors;
88
89 int sc_halt;
90
91 bus_addr_t sc_iobase;
92 int sc_frequency;
93
94 bus_space_handle_t sc_ioh;
95
96 u_char sc_uarttype;
97 #define COM_UART_UNKNOWN 0x00 /* unknown */
98 #define COM_UART_8250 0x01 /* no fifo */
99 #define COM_UART_16450 0x02 /* no fifo */
100 #define COM_UART_16550 0x03 /* no working fifo */
101 #define COM_UART_16550A 0x04 /* 16 byte fifo */
102 #define COM_UART_ST16650 0x05 /* no working fifo */
103 #define COM_UART_ST16650V2 0x06 /* 32 byte fifo */
104 #define COM_UART_TI16750 0x07 /* 64 byte fifo */
105 #define COM_UART_ST16C654 0x08 /* 64 bytes fifo */
106 #define COM_UART_XR16850 0x10 /* 128 byte fifo */
107 #define COM_UART_PXA2X0 0x11 /* 16 byte fifo */
108 #define COM_UART_OX16C950 0x12 /* 128 byte fifo */
109
110 u_char sc_hwflags;
111 #define COM_HW_NOIEN 0x01
112 #define COM_HW_FIFO 0x02
113 #define COM_HW_SIR 0x20
114 #define COM_HW_CONSOLE 0x40
115 #define COM_HW_KGDB 0x80
116 u_char sc_swflags;
117 #define COM_SW_SOFTCAR 0x01
118 #define COM_SW_CLOCAL 0x02
119 #define COM_SW_CRTSCTS 0x04
120 #define COM_SW_MDMBUF 0x08
121 #define COM_SW_PPS 0x10
122 #define COM_SW_DEAD 0x20
123 int sc_fifolen;
124 u_char sc_msr, sc_mcr, sc_lcr, sc_ier;
125 u_char sc_dtr;
126
127 u_char sc_cua;
128
129 u_char sc_initialize; /* force initialization */
130
131 u_char *sc_ibuf, *sc_ibufp, *sc_ibufhigh, *sc_ibufend;
132 u_char sc_ibufs[2][COM_IBUFSIZE];
133
134 /* power management hooks */
135 int (*enable)(struct com_softc *);
136 void (*disable)(struct com_softc *);
137 int enabled;
138 };
139
140 int comprobe1(bus_space_tag_t, bus_space_handle_t);
141 int comstop(struct tty *, int);
142 int comintr(void *);
143 int com_detach(struct device *, int);
144 int com_activate(struct device *, enum devact);
145
146 void comdiag(void *);
147 int comspeed(long, long);
148 u_char com_cflag2lcr(tcflag_t); /* XXX undefined */
149 int comparam(struct tty *, struct termios *);
150 void comstart(struct tty *);
151 void comsoft(void *);
152
153 struct consdev;
154 int comcnattach(bus_space_tag_t, bus_addr_t, int, int, tcflag_t);
155 void comcnprobe(struct consdev *);
156 void comcninit(struct consdev *);
157 int comcngetc(dev_t);
158 void comcnputc(dev_t, int);
159 void comcnpollc(dev_t, int);
160 int com_common_getc(bus_space_tag_t, bus_space_handle_t);
161 void com_common_putc(bus_space_tag_t, bus_space_handle_t, int);
162 void com_raisedtr(void *);
163
164 #ifdef KGDB
165 extern bus_addr_t com_kgdb_addr;
166 extern bus_space_tag_t com_kgdb_iot;
167 extern bus_space_handle_t com_kgdb_ioh;
168
169 int com_kgdb_attach(bus_space_tag_t, bus_addr_t, int, int, tcflag_t);
170 int kgdbintr(void *);
171 #endif
172
173 void com_attach_subr(struct com_softc *);
174
175 extern int comdefaultrate;
176 extern int comconsfreq;
177 extern bus_addr_t comconsaddr;
178 extern bus_addr_t comsiraddr;
179 extern int comconsinit;
180 extern int comconsattached;
181 extern bus_space_tag_t comconsiot;
182 extern bus_space_handle_t comconsioh;
183 extern tcflag_t comconscflag;