/* $NetBSD: irframe.c,v 1.8 2001/12/05 14:50:14 augustss Exp $ */ /* * Copyright (c) 2001 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Lennart Augustsson (lennart@augustsson.net). * * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``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 FOUNDATION OR CONTRIBUTORS * 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. */ #include "irframe.h" #include #include #include #include #include #include #include #include #include #include #include #include #include cdev_decl(irframe); int irframe_match(struct device *parent, struct cfdata *match, void *aux); void irframe_attach(struct device *parent, struct device *self, void *aux); int irframe_activate(struct device *self, enum devact act); int irframe_detach(struct device *self, int flags); static int irf_reset_params(struct irframe_softc *sc); #if NIRFRAME == 0 /* In case we just have tty attachment. */ struct cfdriver irframe_cd = { NULL, "irframe", DV_DULL }; #endif struct cfattach irframe_ca = { sizeof(struct irframe_softc), irframe_match, irframe_attach, irframe_detach, irframe_activate }; extern struct cfattach irframe_ca; extern struct cfdriver irframe_cd; #define IRFRAMEUNIT(dev) (minor(dev)) int irframe_match(struct device *parent, struct cfdata *match, void *aux) { struct ir_attach_args *ia = aux; return (ia->ia_type == IR_TYPE_IRFRAME); } void irframe_attach(struct device *parent, struct device *self, void *aux) { struct irframe_softc *sc = (struct irframe_softc *)self; struct ir_attach_args *ia = aux; const char *delim; int speeds = 0; sc->sc_methods = ia->ia_methods; sc->sc_handle = ia->ia_handle; #ifdef DIAGNOSTIC if (sc->sc_methods->im_read == NULL || sc->sc_methods->im_write == NULL || sc->sc_methods->im_poll == NULL || sc->sc_methods->im_set_params == NULL || sc->sc_methods->im_get_speeds == NULL || sc->sc_methods->im_get_turnarounds == NULL) panic("%s: missing methods\n", sc->sc_dev.dv_xname); #endif (void)sc->sc_methods->im_get_speeds(sc->sc_handle, &speeds); delim = ":"; if (speeds & IRDA_SPEEDS_SIR) { printf("%s SIR", delim); delim = ","; } if (speeds & IRDA_SPEEDS_MIR) { printf("%s MIR", delim); delim = ","; } if (speeds & IRDA_SPEEDS_FIR) { printf("%s FIR", delim); delim = ","; } if (speeds & IRDA_SPEEDS_VFIR) { printf("%s VFIR", delim); delim = ","; } printf("\n"); } int irframe_activate(struct device *self, enum devact act) { /*struct irframe_softc *sc = (struct irframe_softc *)self;*/ switch (act) { case DVACT_ACTIVATE: return (EOPNOTSUPP); break; case DVACT_DEACTIVATE: break; } return (0); } int irframe_detach(struct device *self, int flags) { /*struct irframe_softc *sc = (struct irframe_softc *)self;*/ int maj, mn; /* locate the major number */ for (maj = 0; maj < nchrdev; maj++) if (cdevsw[maj].d_open == irframeopen) break; /* Nuke the vnodes for any open instances (calls close). */ mn = self->dv_unit; vdevgone(maj, mn, mn, VCHR); return (0); } int irframeopen(dev_t dev, int flag, int mode, struct proc *p) { struct irframe_softc *sc; int error; sc = device_lookup(&irframe_cd, IRFRAMEUNIT(dev)); if (sc == NULL) return (ENXIO); if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) return (EIO); if (sc->sc_open) return (EBUSY); if (sc->sc_methods->im_open != NULL) { error = sc->sc_methods->im_open(sc->sc_handle, flag, mode, p); if (error) return (error); } sc->sc_open = 1; (void)irf_reset_params(sc); return (0); } int irframeclose(dev_t dev, int flag, int mode, struct proc *p) { struct irframe_softc *sc; int error; sc = device_lookup(&irframe_cd, IRFRAMEUNIT(dev)); if (sc == NULL) return (ENXIO); if (sc->sc_methods->im_close != NULL) error = sc->sc_methods->im_close(sc->sc_handle, flag, mode, p); else error = 0; sc->sc_open = 0; return (error); } int irframeread(dev_t dev, struct uio *uio, int flag) { struct irframe_softc *sc; sc = device_lookup(&irframe_cd, IRFRAMEUNIT(dev)); if (sc == NULL) return (ENXIO); if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) return (EIO); return (sc->sc_methods->im_read(sc->sc_handle, uio, flag)); } int irframewrite(dev_t dev, struct uio *uio, int flag) { struct irframe_softc *sc; sc = device_lookup(&irframe_cd, IRFRAMEUNIT(dev)); if (sc == NULL) return (ENXIO); if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) return (EIO); return (sc->sc_methods->im_write(sc->sc_handle, uio, flag)); } int irf_reset_params(struct irframe_softc *sc) { struct irda_params params; params.speed = IRDA_DEFAULT_SPEED; params.ebofs = IRDA_DEFAULT_EBOFS; params.maxsize = IRDA_DEFAULT_SIZE; return (sc->sc_methods->im_set_params(sc->sc_handle, ¶ms)); } int irframeioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p) { struct irframe_softc *sc; void *vaddr = addr; int error; sc = device_lookup(&irframe_cd, IRFRAMEUNIT(dev)); if (sc == NULL) return (ENXIO); if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) return (EIO); switch (cmd) { case FIONBIO: /* All handled in the upper FS layer. */ error = 0; break; case IRDA_SET_PARAMS: error = sc->sc_methods->im_set_params(sc->sc_handle, vaddr); break; case IRDA_RESET_PARAMS: error = irf_reset_params(sc); break; case IRDA_GET_SPEEDMASK: error = sc->sc_methods->im_get_speeds(sc->sc_handle, vaddr); break; case IRDA_GET_TURNAROUNDMASK: error = sc->sc_methods->im_get_turnarounds(sc->sc_handle,vaddr); break; default: error = EINVAL; break; } return (error); } int irframepoll(dev_t dev, int events, struct proc *p) { struct irframe_softc *sc; sc = device_lookup(&irframe_cd, IRFRAMEUNIT(dev)); if (sc == NULL) return (ENXIO); if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) return (EIO); return (sc->sc_methods->im_poll(sc->sc_handle, events, p)); } /*********/ struct device * irframe_alloc(size_t size, struct irframe_methods *m, void *h) { struct cfdriver *cd = &irframe_cd; struct device *dev; struct ir_attach_args ia; int unit; for (unit = 0; unit < cd->cd_ndevs; unit++) if (cd->cd_devs[unit] == NULL) break; dev = malloc(size, M_DEVBUF, M_WAITOK); memset(dev, 0, size); snprintf(dev->dv_xname, sizeof dev->dv_xname, "irframe%d", unit); dev->dv_unit = unit; dev->dv_flags = DVF_ACTIVE; /* always initially active */ config_makeroom(unit, cd); cd->cd_devs[unit] = dev; ia.ia_methods = m; ia.ia_handle = h; printf("%s", dev->dv_xname); irframe_attach(NULL, dev, &ia); return (dev); } void irframe_dealloc(struct device *dev) { struct cfdriver *cd = &irframe_cd; int unit; for (unit = 0; unit < cd->cd_ndevs; unit++) { if (cd->cd_devs[unit] == dev) { cd->cd_devs[unit] = NULL; free(dev, M_DEVBUF); return; } } panic("irframe_dealloc: device not found\n"); }