Annotation of sys/dev/bluetooth/bthub.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: bthub.c,v 1.3 2007/07/23 14:45:38 mk Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 2007 Uwe Stuehler <uwe@openbsd.org>
! 5: *
! 6: * Permission to use, copy, modify, and distribute this software for any
! 7: * purpose with or without fee is hereby granted, provided that the above
! 8: * copyright notice and this permission notice appear in all copies.
! 9: *
! 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
! 15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
! 16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 17: */
! 18:
! 19: #include <sys/param.h>
! 20: #include <sys/systm.h>
! 21: #include <sys/conf.h>
! 22: #include <sys/device.h>
! 23: #include <sys/ioctl.h>
! 24: #include <sys/vnode.h>
! 25:
! 26: #include <netbt/bluetooth.h>
! 27:
! 28: struct bthub_softc {
! 29: struct device sc_dev;
! 30: int sc_open;
! 31: };
! 32:
! 33: int bthub_match(struct device *, void *, void *);
! 34: void bthub_attach(struct device *, struct device *, void *);
! 35: int bthub_detach(struct device *, int);
! 36:
! 37: struct cfattach bthub_ca = {
! 38: sizeof(struct bthub_softc), bthub_match, bthub_attach, bthub_detach
! 39: };
! 40:
! 41: struct cfdriver bthub_cd = {
! 42: NULL, "bthub", DV_DULL
! 43: };
! 44:
! 45: int
! 46: bthub_match(struct device *parent, void *match, void *aux)
! 47: {
! 48: return (1);
! 49: }
! 50:
! 51: void
! 52: bthub_attach(struct device *parent, struct device *self, void *aux)
! 53: {
! 54: bdaddr_t *addr = aux;
! 55: struct bthub_softc *sc = (struct bthub_softc *)self;
! 56:
! 57: sc->sc_open = 0;
! 58:
! 59: printf(" %02x:%02x:%02x:%02x:%02x:%02x\n",
! 60: addr->b[5], addr->b[4], addr->b[3],
! 61: addr->b[2], addr->b[1], addr->b[0]);
! 62: }
! 63:
! 64: int
! 65: bthub_detach(struct device *self, int flags)
! 66: {
! 67: int maj, mn;
! 68:
! 69: /* Locate the major number */
! 70: for (maj = 0; maj < nchrdev; maj++)
! 71: if (cdevsw[maj].d_open == bthubopen)
! 72: break;
! 73:
! 74: /* Nuke the vnodes for any open instances (calls close) */
! 75: mn = self->dv_unit;
! 76: vdevgone(maj, mn, mn, VCHR);
! 77:
! 78: return (0);
! 79: }
! 80:
! 81: int
! 82: bthubopen(dev_t dev, int flag, int mode, struct proc *p)
! 83: {
! 84: struct device *dv;
! 85: struct bthub_softc *sc;
! 86:
! 87: dv = device_lookup(&bthub_cd, minor(dev));
! 88: if (dv == NULL)
! 89: return (ENXIO);
! 90:
! 91: sc = (struct bthub_softc *)dv;
! 92: if (sc->sc_open) {
! 93: device_unref(dv);
! 94: return (EBUSY);
! 95: }
! 96:
! 97: sc->sc_open = 1;
! 98: device_unref(dv);
! 99:
! 100: return (0);
! 101: }
! 102:
! 103: int
! 104: bthubclose(dev_t dev, int flag, int mode, struct proc *p)
! 105: {
! 106: struct device *dv;
! 107: struct bthub_softc *sc;
! 108:
! 109: dv = device_lookup(&bthub_cd, minor(dev));
! 110: sc = (struct bthub_softc *)dv;
! 111: sc->sc_open = 0;
! 112: device_unref(dv);
! 113:
! 114: return (0);
! 115: }
! 116:
! 117: int
! 118: bthubioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
! 119: {
! 120: return (ENOTTY);
! 121: }
! 122:
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