radio.c revision 1.3.2.2
1 1.3.2.2 nathanw /* $NetBSD: radio.c,v 1.3.2.2 2002/01/08 00:29:19 nathanw Exp $ */ 2 1.3.2.2 nathanw /* $OpenBSD: radio.c,v 1.2 2001/12/05 10:27:06 mickey Exp $ */ 3 1.3.2.2 nathanw /* $RuOBSD: radio.c,v 1.7 2001/12/04 06:03:05 tm Exp $ */ 4 1.3.2.2 nathanw 5 1.3.2.2 nathanw /* 6 1.3.2.2 nathanw * Copyright (c) 2001 Maxim Tsyplakov <tm (at) oganer.net> 7 1.3.2.2 nathanw * All rights reserved. 8 1.3.2.2 nathanw * 9 1.3.2.2 nathanw * Redistribution and use in source and binary forms, with or without 10 1.3.2.2 nathanw * modification, are permitted provided that the following conditions 11 1.3.2.2 nathanw * are met: 12 1.3.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 13 1.3.2.2 nathanw * notice, this list of conditions and the following disclaimer. 14 1.3.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 15 1.3.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 16 1.3.2.2 nathanw * documentation and/or other materials provided with the distribution. 17 1.3.2.2 nathanw * 18 1.3.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 1.3.2.2 nathanw * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 1.3.2.2 nathanw * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 1.3.2.2 nathanw * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 1.3.2.2 nathanw * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 23 1.3.2.2 nathanw * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 24 1.3.2.2 nathanw * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25 1.3.2.2 nathanw * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 26 1.3.2.2 nathanw * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 27 1.3.2.2 nathanw * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 1.3.2.2 nathanw */ 29 1.3.2.2 nathanw 30 1.3.2.2 nathanw /* This is the /dev/radio driver from OpenBSD */ 31 1.3.2.2 nathanw 32 1.3.2.2 nathanw #include <sys/cdefs.h> 33 1.3.2.2 nathanw __KERNEL_RCSID(0, "$NetBSD: radio.c,v 1.3.2.2 2002/01/08 00:29:19 nathanw Exp $"); 34 1.3.2.2 nathanw 35 1.3.2.2 nathanw #include <sys/param.h> 36 1.3.2.2 nathanw #include <sys/systm.h> 37 1.3.2.2 nathanw #include <sys/proc.h> 38 1.3.2.2 nathanw #include <sys/errno.h> 39 1.3.2.2 nathanw #include <sys/ioctl.h> 40 1.3.2.2 nathanw #include <sys/device.h> 41 1.3.2.2 nathanw #include <sys/vnode.h> 42 1.3.2.2 nathanw #include <sys/radioio.h> 43 1.3.2.2 nathanw #include <sys/conf.h> 44 1.3.2.2 nathanw 45 1.3.2.2 nathanw #include <dev/radio_if.h> 46 1.3.2.2 nathanw #include <dev/radiovar.h> 47 1.3.2.2 nathanw 48 1.3.2.2 nathanw int radioprobe(struct device *, struct cfdata *, void *); 49 1.3.2.2 nathanw void radioattach(struct device *, struct device *, void *); 50 1.3.2.2 nathanw int radioopen(dev_t, int, int, struct proc *); 51 1.3.2.2 nathanw int radioclose(dev_t, int, int, struct proc *); 52 1.3.2.2 nathanw int radioioctl(dev_t, u_long, caddr_t, int, struct proc *); 53 1.3.2.2 nathanw int radioprint(void *, const char *); 54 1.3.2.2 nathanw int radiodetach(struct device *, int); 55 1.3.2.2 nathanw int radioactivate(struct device *, enum devact); 56 1.3.2.2 nathanw 57 1.3.2.2 nathanw struct cfattach radio_ca = { 58 1.3.2.2 nathanw sizeof(struct radio_softc), radioprobe, radioattach, 59 1.3.2.2 nathanw NULL, NULL 60 1.3.2.2 nathanw }; 61 1.3.2.2 nathanw 62 1.3.2.2 nathanw extern struct cfdriver radio_cd; 63 1.3.2.2 nathanw 64 1.3.2.2 nathanw int 65 1.3.2.2 nathanw radioprobe(struct device *parent, struct cfdata *match, void *aux) 66 1.3.2.2 nathanw { 67 1.3.2.2 nathanw return (1); 68 1.3.2.2 nathanw } 69 1.3.2.2 nathanw 70 1.3.2.2 nathanw void 71 1.3.2.2 nathanw radioattach(struct device *parent, struct device *self, void *aux) 72 1.3.2.2 nathanw { 73 1.3.2.2 nathanw struct radio_softc *sc = (void *)self; 74 1.3.2.2 nathanw struct radio_attach_args *sa = aux; 75 1.3.2.2 nathanw struct radio_hw_if *hwp = sa->hwif; 76 1.3.2.2 nathanw void *hdlp = sa->hdl; 77 1.3.2.2 nathanw 78 1.3.2.2 nathanw printf("\n"); 79 1.3.2.2 nathanw sc->hw_if = hwp; 80 1.3.2.2 nathanw sc->hw_hdl = hdlp; 81 1.3.2.2 nathanw sc->sc_dev = parent; 82 1.3.2.2 nathanw } 83 1.3.2.2 nathanw 84 1.3.2.2 nathanw int 85 1.3.2.2 nathanw radioopen(dev_t dev, int flags, int fmt, struct proc *p) 86 1.3.2.2 nathanw { 87 1.3.2.2 nathanw int unit; 88 1.3.2.2 nathanw struct radio_softc *sc; 89 1.3.2.2 nathanw 90 1.3.2.2 nathanw unit = RADIOUNIT(dev); 91 1.3.2.2 nathanw if (unit >= radio_cd.cd_ndevs || 92 1.3.2.2 nathanw (sc = radio_cd.cd_devs[unit]) == NULL || 93 1.3.2.2 nathanw sc->hw_if == NULL) 94 1.3.2.2 nathanw return (ENXIO); 95 1.3.2.2 nathanw 96 1.3.2.2 nathanw if (sc->hw_if->open != NULL) 97 1.3.2.2 nathanw return (sc->hw_if->open(sc->hw_hdl, flags, fmt, p)); 98 1.3.2.2 nathanw else 99 1.3.2.2 nathanw return (0); 100 1.3.2.2 nathanw } 101 1.3.2.2 nathanw 102 1.3.2.2 nathanw int 103 1.3.2.2 nathanw radioclose(dev_t dev, int flags, int fmt, struct proc *p) 104 1.3.2.2 nathanw { 105 1.3.2.2 nathanw struct radio_softc *sc; 106 1.3.2.2 nathanw 107 1.3.2.2 nathanw sc = radio_cd.cd_devs[RADIOUNIT(dev)]; 108 1.3.2.2 nathanw 109 1.3.2.2 nathanw if (sc->hw_if->close != NULL) 110 1.3.2.2 nathanw return (sc->hw_if->close(sc->hw_hdl, flags, fmt, p)); 111 1.3.2.2 nathanw else 112 1.3.2.2 nathanw return (0); 113 1.3.2.2 nathanw } 114 1.3.2.2 nathanw 115 1.3.2.2 nathanw int 116 1.3.2.2 nathanw radioioctl(dev_t dev, u_long cmd, caddr_t data, int flags, struct proc *p) 117 1.3.2.2 nathanw { 118 1.3.2.2 nathanw struct radio_softc *sc; 119 1.3.2.2 nathanw int unit, error; 120 1.3.2.2 nathanw 121 1.3.2.2 nathanw unit = RADIOUNIT(dev); 122 1.3.2.2 nathanw if (unit >= radio_cd.cd_ndevs || 123 1.3.2.2 nathanw (sc = radio_cd.cd_devs[unit]) == NULL || sc->hw_if == NULL) 124 1.3.2.2 nathanw return (ENXIO); 125 1.3.2.2 nathanw 126 1.3.2.2 nathanw error = EOPNOTSUPP; 127 1.3.2.2 nathanw switch (cmd) { 128 1.3.2.2 nathanw case RIOCGINFO: 129 1.3.2.2 nathanw if (sc->hw_if->get_info) 130 1.3.2.2 nathanw error = (sc->hw_if->get_info)(sc->hw_hdl, 131 1.3.2.2 nathanw (struct radio_info *)data); 132 1.3.2.2 nathanw break; 133 1.3.2.2 nathanw case RIOCSINFO: 134 1.3.2.2 nathanw if (sc->hw_if->set_info) 135 1.3.2.2 nathanw error = (sc->hw_if->set_info)(sc->hw_hdl, 136 1.3.2.2 nathanw (struct radio_info *)data); 137 1.3.2.2 nathanw break; 138 1.3.2.2 nathanw case RIOCSSRCH: 139 1.3.2.2 nathanw if (sc->hw_if->search) 140 1.3.2.2 nathanw error = (sc->hw_if->search)(sc->hw_hdl, 141 1.3.2.2 nathanw *(int *)data); 142 1.3.2.2 nathanw break; 143 1.3.2.2 nathanw default: 144 1.3.2.2 nathanw error = EINVAL; 145 1.3.2.2 nathanw } 146 1.3.2.2 nathanw 147 1.3.2.2 nathanw return (error); 148 1.3.2.2 nathanw } 149 1.3.2.2 nathanw 150 1.3.2.2 nathanw /* 151 1.3.2.2 nathanw * Called from hardware driver. This is where the MI radio driver gets 152 1.3.2.2 nathanw * probed/attached to the hardware driver 153 1.3.2.2 nathanw */ 154 1.3.2.2 nathanw struct device * 155 1.3.2.2 nathanw radio_attach_mi(struct radio_hw_if *rhwp, void *hdlp, struct device *dev) 156 1.3.2.2 nathanw { 157 1.3.2.2 nathanw struct radio_attach_args arg; 158 1.3.2.2 nathanw 159 1.3.2.2 nathanw arg.hwif = rhwp; 160 1.3.2.2 nathanw arg.hdl = hdlp; 161 1.3.2.2 nathanw return (config_found(dev, &arg, radioprint)); 162 1.3.2.2 nathanw } 163 1.3.2.2 nathanw 164 1.3.2.2 nathanw int 165 1.3.2.2 nathanw radioprint(void *aux, const char *pnp) 166 1.3.2.2 nathanw { 167 1.3.2.2 nathanw if (pnp != NULL) 168 1.3.2.2 nathanw printf("radio at %s", pnp); 169 1.3.2.2 nathanw return (UNCONF); 170 1.3.2.2 nathanw } 171 1.3.2.2 nathanw 172 1.3.2.2 nathanw int 173 1.3.2.2 nathanw radiodetach(struct device *self, int flags) 174 1.3.2.2 nathanw { 175 1.3.2.2 nathanw /*struct radio_softc *sc = (struct radio_softc *)self;*/ 176 1.3.2.2 nathanw int maj, mn; 177 1.3.2.2 nathanw 178 1.3.2.2 nathanw /* locate the major number */ 179 1.3.2.2 nathanw for (maj = 0; maj < nchrdev; maj++) 180 1.3.2.2 nathanw if (cdevsw[maj].d_open == radioopen) 181 1.3.2.2 nathanw break; 182 1.3.2.2 nathanw 183 1.3.2.2 nathanw /* Nuke the vnodes for any open instances (calls close). */ 184 1.3.2.2 nathanw mn = self->dv_unit; 185 1.3.2.2 nathanw vdevgone(maj, mn, mn, VCHR); 186 1.3.2.2 nathanw 187 1.3.2.2 nathanw return (0); 188 1.3.2.2 nathanw } 189 1.3.2.2 nathanw 190 1.3.2.2 nathanw int 191 1.3.2.2 nathanw radioactivate(struct device *self, enum devact act) 192 1.3.2.2 nathanw { 193 1.3.2.2 nathanw struct radio_softc *sc = (struct radio_softc *)self; 194 1.3.2.2 nathanw 195 1.3.2.2 nathanw switch (act) { 196 1.3.2.2 nathanw case DVACT_ACTIVATE: 197 1.3.2.2 nathanw return (EOPNOTSUPP); 198 1.3.2.2 nathanw break; 199 1.3.2.2 nathanw 200 1.3.2.2 nathanw case DVACT_DEACTIVATE: 201 1.3.2.2 nathanw sc->sc_dying = 1; 202 1.3.2.2 nathanw break; 203 1.3.2.2 nathanw } 204 1.3.2.2 nathanw return (0); 205 1.3.2.2 nathanw } 206
Indexes created Tue Oct 21 08:09:48 GMT 2025