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      1 /*	$NetBSD: mq200_vrip.c,v 1.13 2012/10/27 17:17:55 chs 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/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: mq200_vrip.c,v 1.13 2012/10/27 17:17:55 chs Exp $");
     34 
     35 #include <sys/param.h>
     36 #include <sys/systm.h>
     37 #include <sys/device.h>
     38 
     39 #include <machine/bus.h>
     40 
     41 #include "opt_vr41xx.h"
     42 #include <hpcmips/vr/vrcpudef.h>
     43 #include <hpcmips/vr/vripif.h>
     44 #include <hpcmips/dev/mq200var.h>
     45 #include <hpcmips/dev/mq200reg.h>
     46 #include "bivideo.h"
     47 #if NBIVIDEO > 0
     48 #include <dev/hpc/bivideovar.h>
     49 #endif
     50 
     51 
     52 #include "locators.h"
     53 
     54 struct mq200_vrip_softc {
     55 	struct mq200_softc	sc_mq200;
     56 };
     57 
     58 static int	mq200_vrip_probe(device_t, cfdata_t, void *);
     59 static void	mq200_vrip_attach(device_t, device_t, void *);
     60 
     61 CFATTACH_DECL_NEW(mqvideo_vrip, sizeof(struct mq200_vrip_softc),
     62     mq200_vrip_probe, mq200_vrip_attach, NULL, NULL);
     63 
     64 static int
     65 mq200_vrip_probe(device_t parent, cfdata_t cf, void *aux)
     66 {
     67 	struct vrip_attach_args *va = aux;
     68 	bus_space_handle_t ioh;
     69 	int res;
     70 
     71 	if (va->va_addr == VRIPIFCF_ADDR_DEFAULT)
     72 		return (0);
     73 
     74 #if NBIVIDEO > 0
     75 	if (bivideo_dont_attach) /* already attach video driver */
     76 		return 0;
     77 #endif /* NBIVIDEO > 0 */
     78 
     79 	if (bus_space_map(va->va_iot, va->va_addr + MQ200_REGADDR,
     80 	    va->va_size, 0, &ioh)) {
     81 		printf(": can't map i/o space\n");
     82 		return 0;
     83 	}
     84 	res = mq200_probe(va->va_iot, ioh);
     85 	bus_space_unmap(va->va_iot, ioh, va->va_size);
     86 
     87 	return (res);
     88 }
     89 
     90 
     91 static void
     92 mq200_vrip_attach(device_t parent, device_t self, void *aux)
     93 {
     94 	struct mq200_vrip_softc *vsc = device_private(self);
     95 	struct mq200_softc *sc = &vsc->sc_mq200;
     96 	struct vrip_attach_args *va = aux;
     97 
     98 	sc->sc_dev = self;
     99 	sc->sc_baseaddr = va->va_addr;
    100 	sc->sc_iot = va->va_iot;
    101 	if (bus_space_map(va->va_iot, va->va_addr + MQ200_REGADDR,
    102 	    va->va_size - MQ200_REGADDR, 0, &sc->sc_ioh)) {
    103 		printf(": can't map bus space\n");
    104 		return;
    105 	}
    106 
    107 	mq200_attach(sc);
    108 }
    109