Annotation of sys/dev/puc/com_puc.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: com_puc.c,v 1.14 2006/11/05 17:18:14 martin Exp $ */
2:
3: /*
4: * Copyright (c) 1997 - 1999, Jason Downs. All rights reserved.
5: *
6: * Redistribution and use in source and binary forms, with or without
7: * modification, are permitted provided that the following conditions
8: * are met:
9: * 1. Redistributions of source code must retain the above copyright
10: * notice, this list of conditions and the following disclaimer.
11: * 2. Redistributions in binary form must reproduce the above copyright
12: * notice, this list of conditions and the following disclaimer in the
13: * documentation and/or other materials provided with the distribution.
14: * 3. Neither the name(s) of the author(s) nor the name OpenBSD
15: * may be used to endorse or promote products derived from this software
16: * without specific prior written permission.
17: *
18: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS
19: * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20: * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21: * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT,
22: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24: * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
25: * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28: * SUCH DAMAGE.
29: */
30:
31: #include <sys/param.h>
32: #include <sys/systm.h>
33: #include <sys/ioctl.h>
34: #include <sys/selinfo.h>
35: #include <sys/tty.h>
36: #include <sys/proc.h>
37: #include <sys/user.h>
38: #include <sys/conf.h>
39: #include <sys/file.h>
40: #include <sys/uio.h>
41: #include <sys/kernel.h>
42: #include <sys/syslog.h>
43: #include <sys/device.h>
44:
45: #include <machine/intr.h>
46: #include <machine/bus.h>
47:
48: #include <dev/pci/pucvar.h>
49:
50: #include "com.h"
51: #ifdef i386
52: #include "pccom.h"
53: #endif
54:
55: #include <dev/ic/comreg.h>
56: #if NPCCOM > 0
57: #include <i386/isa/pccomvar.h>
58: #endif
59: #if NCOM > 0
60: #include <dev/ic/comvar.h>
61: #endif
62: #include <dev/ic/ns16550reg.h>
63:
64: #define com_lcr com_cfcr
65:
66: int com_puc_match(struct device *, void *, void *);
67: void com_puc_attach(struct device *, struct device *, void *);
68: int com_puc_detach(struct device *, int );
69:
70: #if NCOM > 0
71: struct cfattach com_puc_ca = {
72: sizeof(struct com_softc), com_puc_match, com_puc_attach, com_puc_detach
73: };
74: #endif
75:
76: #if NPCCOM > 0
77: struct cfattach pccom_puc_ca = {
78: sizeof(struct com_softc), com_puc_match, com_puc_attach, com_puc_detach
79: };
80: #endif
81:
82: int
83: com_puc_match(parent, match, aux)
84: struct device *parent;
85: void *match, *aux;
86: {
87: struct puc_attach_args *pa = aux;
88:
89: if (pa->type == PUC_PORT_TYPE_COM)
90: return(1);
91:
92: return(0);
93: }
94:
95: void
96: com_puc_attach(parent, self, aux)
97: struct device *parent, *self;
98: void *aux;
99: {
100: struct com_softc *sc = (void *)self;
101: struct puc_attach_args *pa = aux;
102: const char *intrstr;
103:
104: /* Grab a PCI interrupt. */
105: intrstr = pa->intr_string(pa);
106: sc->sc_ih = pa->intr_establish(pa, IPL_TTY, comintr, sc,
107: sc->sc_dev.dv_xname);
108: if (sc->sc_ih == NULL) {
109: printf(": couldn't establish interrupt");
110: if (intrstr != NULL)
111: printf(" at %s", intrstr);
112: printf("\n");
113: return;
114: }
115: printf(" %s", intrstr);
116:
117: sc->sc_iot = pa->t;
118: sc->sc_ioh = pa->h;
119: sc->sc_iobase = pa->a;
120: sc->sc_frequency = COM_FREQ;
121:
122: if (pa->flags)
123: sc->sc_frequency = pa->flags & PUC_COM_CLOCKMASK;
124: if (pa->hwtype)
125: sc->sc_uarttype = pa->hwtype;
126:
127: sc->sc_hwflags = 0;
128: sc->sc_swflags = 0;
129:
130: com_attach_subr(sc);
131: }
132:
133: int
134: com_puc_detach(struct device *self, int flags)
135: {
136: /* struct com_softc *sc = (void *)self; */
137: int error;
138:
139: if ((error = com_detach(self, flags)) != 0)
140: return (error);
141:
142: /* cardbus_intr_disestablish(psc->sc_cc, psc->sc_cf, csc->cc_ih); */
143:
144: return (0);
145: }
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