/* $OpenBSD: radio.c,v 1.2 2001/12/05 10:27:06 mickey Exp $ */ /* $RuOBSD: radio.c,v 1.7 2001/12/04 06:03:05 tm Exp $ */ /* * Copyright (c) 2001 Maxim Tsyplakov * 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 ``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. */ /* This is /dev/radio driver for OpenBSD */ #include #include #include #include #include #include #include #include #include int radioprobe(struct device *, void *, void *); void radioattach(struct device *, struct device *, void *); int radioopen(dev_t, int, int, struct proc *); int radioclose(dev_t, int, int, struct proc *); int radioioctl(dev_t, u_long, caddr_t, int, struct proc *); int radioprint(void *, const char *); struct cfattach radio_ca = { sizeof(struct radio_softc), radioprobe, radioattach, NULL, NULL }; struct cfdriver radio_cd = { NULL, "radio", DV_DULL }; int radioprobe(struct device *parent, void *match, void *aux) { printf("\n"); /* stub!?, fixme */ return 1; } void radioattach(struct device *parent, struct device *self, void *aux) { struct radio_softc *sc = (void *) self; struct radio_attach_args *sa = aux; struct radio_hw_if *hwp = sa->hwif; void *hdlp = sa->hdl; printf("\n"); sc->hw_if = hwp; sc->hw_hdl = hdlp; sc->sc_dev = parent; } int radioopen(dev_t dev, int flags, int fmt, struct proc *p) { int unit; struct radio_softc *sc; unit = RADIOUNIT(dev); if (unit >= radio_cd.cd_ndevs || (sc = radio_cd.cd_devs[unit]) == NULL || sc->hw_if == NULL) return (ENXIO); if (sc->hw_if->open != NULL) return (sc->hw_if->open(sc->hw_hdl, flags, fmt, p)); else return (0); } int radioclose(dev_t dev, int flags, int fmt, struct proc *p) { struct radio_softc *sc; sc = radio_cd.cd_devs[RADIOUNIT(dev)]; if (sc->hw_if->close != NULL) return (sc->hw_if->close(sc->hw_hdl, flags, fmt, p)); else return (0); } int radioioctl(dev_t dev, u_long cmd, caddr_t data, int flags, struct proc *p) { struct radio_softc *sc; int unit, error; unit = RADIOUNIT(dev); if (unit >= radio_cd.cd_ndevs || (sc = radio_cd.cd_devs[unit]) == NULL || sc->hw_if == NULL) return (ENXIO); error = EOPNOTSUPP; switch (cmd) { case RIOCGINFO: if (sc->hw_if->get_info) error = (sc->hw_if->get_info)(sc->hw_hdl, (struct radio_info *)data); break; case RIOCSINFO: if (sc->hw_if->set_info) error = (sc->hw_if->set_info)(sc->hw_hdl, (struct radio_info *)data); break; case RIOCSSRCH: if (sc->hw_if->search) error = (sc->hw_if->search)(sc->hw_hdl, *(int *)data); break; default: error = EINVAL; } return (error); } /* * Called from hardware driver. This is where the MI radio driver gets * probed/attached to the hardware driver */ struct device * radio_attach_mi(struct radio_hw_if *rhwp, void *hdlp, struct device *dev) { struct radio_attach_args arg; arg.hwif = rhwp; arg.hdl = hdlp; return (config_found(dev, &arg, radioprint)); } int radioprint(void *aux, const char *pnp) { return UNCONF; }