1 /* $NetBSD: mq200_vrip.c,v 1.7 2002/05/11 14:10:06 takemura Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 Takemura Shin 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER 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 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/device.h> 35 36 #include <machine/bus.h> 37 38 #include "opt_vr41xx.h" 39 #include <hpcmips/vr/vrcpudef.h> 40 #include <hpcmips/vr/vripif.h> 41 #include <hpcmips/dev/mq200var.h> 42 #include <hpcmips/dev/mq200reg.h> 43 #include "bivideo.h" 44 #if NBIVIDEO > 0 45 #include <dev/hpc/bivideovar.h> 46 #endif 47 48 49 #include "locators.h" 50 51 struct mq200_vrip_softc { 52 struct mq200_softc sc_mq200; 53 }; 54 55 static int mq200_vrip_probe(struct device *, struct cfdata *, void *); 56 static void mq200_vrip_attach(struct device *, struct device *, void *); 57 58 struct cfattach mqvideo_vrip_ca = { 59 sizeof(struct mq200_vrip_softc), mq200_vrip_probe, mq200_vrip_attach 60 }; 61 62 static int 63 mq200_vrip_probe(struct device *parent, struct cfdata *cf, void *aux) 64 { 65 struct vrip_attach_args *va = aux; 66 bus_space_handle_t ioh; 67 int res; 68 69 if (va->va_addr == VRIPIFCF_ADDR_DEFAULT) 70 return (0); 71 72 #if NBIVIDEO > 0 73 if (bivideo_dont_attach) /* already attach video driver */ 74 return 0; 75 #endif /* NBIVIDEO > 0 */ 76 77 if (bus_space_map(va->va_iot, va->va_addr, va->va_size, 0, &ioh)) { 78 printf(": can't map i/o space\n"); 79 return 0; 80 } 81 res = mq200_probe(va->va_iot, ioh); 82 bus_space_unmap(va->va_iot, ioh, va->va_size); 83 84 return (res); 85 } 86 87 88 static void 89 mq200_vrip_attach(struct device *parent, struct device *self, void *aux) 90 { 91 struct mq200_vrip_softc *vsc = (void *)self; 92 struct mq200_softc *sc = &vsc->sc_mq200; 93 struct vrip_attach_args *va = aux; 94 95 sc->sc_baseaddr = va->va_addr; 96 sc->sc_iot = va->va_iot; 97 if (bus_space_map(va->va_iot, va->va_addr + MQ200_REGADDR, 98 va->va_size - MQ200_REGADDR, 0, &sc->sc_ioh)) { 99 printf(": can't map bus space\n"); 100 return; 101 } 102 103 mq200_attach(sc); 104 } 105