Annotation of sys/arch/i386/isa/pccomvar.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: pccomvar.h,v 1.19 2006/12/28 20:50:21 miod Exp $ */
2: /* $NetBSD: comvar.h,v 1.5 1996/05/05 19:50:47 christos Exp $ */
3:
4: /*
5: * Copyright (c) 1996 Christopher G. Demetriou. 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: * 3. All advertising materials mentioning features or use of this software
16: * must display the following acknowledgement:
17: * This product includes software developed by Christopher G. Demetriou
18: * for the NetBSD Project.
19: * 4. The name of the author may not be used to endorse or promote products
20: * derived from this software without specific prior written permission
21: *
22: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32: */
33:
34: /* XXX - should be shared among com.c and pccom.c */
35: struct commulti_attach_args {
36: int ca_slave; /* slave number */
37:
38: bus_space_tag_t ca_iot;
39: bus_space_handle_t ca_ioh;
40: int ca_iobase;
41: int ca_noien;
42: };
43:
44: struct com_softc {
45: struct device sc_dev;
46: void *sc_ih;
47: bus_space_tag_t sc_iot;
48: struct tty *sc_tty;
49: struct timeout sc_dtr_tmo;
50: struct timeout sc_diag_tmo;
51:
52: int sc_overflows;
53: int sc_floods;
54: int sc_errors;
55:
56: int sc_halt;
57:
58: int sc_iobase;
59: int sc_frequency;
60:
61: bus_space_handle_t sc_ioh;
62: bus_space_handle_t sc_hayespioh;
63:
64: u_char sc_uarttype;
65: #define COM_UART_UNKNOWN 0x00 /* unknown */
66: #define COM_UART_8250 0x01 /* no fifo */
67: #define COM_UART_16450 0x02 /* no fifo */
68: #define COM_UART_16550 0x03 /* no working fifo */
69: #define COM_UART_16550A 0x04 /* 16 byte fifo */
70: #define COM_UART_ST16650 0x05 /* no working fifo */
71: #define COM_UART_ST16650V2 0x06 /* 32 byte fifo */
72: #define COM_UART_TI16750 0x07 /* 64 byte fifo */
73: #define COM_UART_ST16C654 0x08 /* 64 bytes fifo */
74: #define COM_UART_XR16850 0x10 /* 128 byte fifo */
75: #define COM_UART_OX16C950 0x12 /* 128 byte fifo */
76: u_char sc_uartrev;
77:
78: u_char sc_hwflags;
79: #define COM_HW_NOIEN 0x01
80: #define COM_HW_FIFO 0x02
81: #define COM_HW_CONSOLE 0x40
82: #define COM_HW_KGDB 0x80
83: u_char sc_swflags;
84: #define COM_SW_SOFTCAR 0x01
85: #define COM_SW_CLOCAL 0x02
86: #define COM_SW_CRTSCTS 0x04
87: #define COM_SW_MDMBUF 0x08
88: int sc_fifolen;
89: u_char sc_msr, sc_mcr, sc_lcr, sc_ier;
90: u_char sc_dtr;
91:
92: u_char sc_cua;
93:
94: u_char sc_initialize; /* force initialization */
95:
96: #define RBUFSIZE 512
97: #define RBUFMASK 511
98: u_int sc_rxget;
99: volatile u_int sc_rxput;
100: u_char sc_rxbuf[RBUFSIZE];
101: u_char *sc_tba;
102: int sc_tbc;
103:
104: /* power management hooks */
105: int (*enable)(struct com_softc *);
106: void (*disable)(struct com_softc *);
107: int enabled;
108: };
109:
110: int comprobe1(bus_space_tag_t, bus_space_handle_t);
111: void cominit(bus_space_tag_t, bus_space_handle_t, int);
112: int comstop(struct tty *, int);
113: int comintr(void *);
114: int com_detach(struct device *, int);
115: int com_activate(struct device *, enum devact);
116:
117: void comdiag(void *);
118: int comspeed(long, long);
119: int comparam(struct tty *, struct termios *);
120: void comstart(struct tty *);
121: void comsoft(void);
122: int comhwiflow(struct tty *, int);
123: void com_raisedtr(void *);
124:
125: struct consdev;
126: void comcnprobe(struct consdev *);
127: void comcninit(struct consdev *);
128: int comcngetc(dev_t);
129: void comcnputc(dev_t, int);
130: void comcnpollc(dev_t, int);
131: int com_common_getc(bus_space_tag_t, bus_space_handle_t);
132: void com_common_putc(bus_space_tag_t, bus_space_handle_t, int);
133:
134: #if defined(DDB) || defined(KGDB)
135: void com_enable_debugport(struct com_softc *);
136: #endif /* DDB || KGDB */
137:
138: #ifdef KGDB
139: extern bus_space_tag_t com_kgdb_iot;
140: extern bus_addr_t com_kgdb_addr;
141:
142: int com_kgdb_attach(bus_space_tag_t, bus_addr_t, int, int, tcflag_t);
143: int kgdbintr(void *);
144: #endif /* KGDB */
145:
146: void com_attach_subr(struct com_softc *);
147:
148: extern bus_addr_t comconsaddr;
149: extern int comconsinit;
150: extern int comconsattached;
151: extern bus_space_tag_t comconsiot;
152: extern bus_space_handle_t comconsioh;
153: extern tcflag_t comconscflag;
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