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hil_intio.c revision 1.3.2.2
      1  1.3.2.2  rmind /*	$NetBSD: hil_intio.c,v 1.3.2.2 2011/03/05 20:50:22 rmind Exp $	*/
      2  1.3.2.2  rmind /*	$OpenBSD: hil_intio.c,v 1.8 2007/01/06 20:10:57 miod Exp $	*/
      3  1.3.2.2  rmind 
      4  1.3.2.2  rmind /*
      5  1.3.2.2  rmind  * Copyright (c) 2005, Miodrag Vallat.
      6  1.3.2.2  rmind  * All rights reserved.
      7  1.3.2.2  rmind  *
      8  1.3.2.2  rmind  * Redistribution and use in source and binary forms, with or without
      9  1.3.2.2  rmind  * modification, are permitted provided that the following conditions
     10  1.3.2.2  rmind  * are met:
     11  1.3.2.2  rmind  * 1. Redistributions of source code must retain the above copyright
     12  1.3.2.2  rmind  *    notice, this list of conditions and the following disclaimer.
     13  1.3.2.2  rmind  * 2. Redistributions in binary form must reproduce the above copyright
     14  1.3.2.2  rmind  *    notice, this list of conditions and the following disclaimer in the
     15  1.3.2.2  rmind  *    documentation and/or other materials provided with the distribution.
     16  1.3.2.2  rmind  *
     17  1.3.2.2  rmind  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     18  1.3.2.2  rmind  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     19  1.3.2.2  rmind  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     20  1.3.2.2  rmind  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
     21  1.3.2.2  rmind  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     22  1.3.2.2  rmind  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     23  1.3.2.2  rmind  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     24  1.3.2.2  rmind  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     25  1.3.2.2  rmind  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
     26  1.3.2.2  rmind  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     27  1.3.2.2  rmind  * POSSIBILITY OF SUCH DAMAGE.
     28  1.3.2.2  rmind  *
     29  1.3.2.2  rmind  */
     30  1.3.2.2  rmind 
     31  1.3.2.2  rmind #include <sys/param.h>
     32  1.3.2.2  rmind #include <sys/systm.h>
     33  1.3.2.2  rmind #include <sys/device.h>
     34  1.3.2.2  rmind #include <sys/conf.h>
     35  1.3.2.2  rmind #include <sys/bus.h>
     36  1.3.2.2  rmind #include <sys/cpu.h>
     37  1.3.2.2  rmind 
     38  1.3.2.2  rmind #include <machine/intr.h>
     39  1.3.2.2  rmind 
     40  1.3.2.2  rmind #include <dev/cons.h>
     41  1.3.2.2  rmind 
     42  1.3.2.2  rmind #include <hp300/dev/intiovar.h>
     43  1.3.2.2  rmind 
     44  1.3.2.2  rmind #include <machine/hil_machdep.h>
     45  1.3.2.2  rmind #include <dev/hil/hilvar.h>
     46  1.3.2.2  rmind 
     47  1.3.2.2  rmind static int	hil_intio_match(device_t, cfdata_t, void *);
     48  1.3.2.2  rmind static void	hil_intio_attach(device_t, device_t, void *);
     49  1.3.2.2  rmind 
     50  1.3.2.2  rmind CFATTACH_DECL_NEW(hil_intio, sizeof(struct hil_softc),
     51  1.3.2.2  rmind     hil_intio_match, hil_intio_attach, NULL, NULL);
     52  1.3.2.2  rmind 
     53  1.3.2.2  rmind int
     54  1.3.2.2  rmind hil_intio_match(device_t parent, cfdata_t cf, void *aux)
     55  1.3.2.2  rmind {
     56  1.3.2.2  rmind 	struct intio_attach_args *ia = aux;
     57  1.3.2.2  rmind 	static int hil_matched = 0;
     58  1.3.2.2  rmind 
     59  1.3.2.2  rmind 	if (strcmp("hil", ia->ia_modname) != 0)
     60  1.3.2.2  rmind 		return 0;
     61  1.3.2.2  rmind 
     62  1.3.2.2  rmind 	/* Allow only one instance. */
     63  1.3.2.2  rmind 	if (hil_matched != 0)
     64  1.3.2.2  rmind 		return 0;
     65  1.3.2.2  rmind 
     66  1.3.2.2  rmind 	if (badaddr((void *)ia->ia_addr))	/* should not happen! */
     67  1.3.2.2  rmind 		return 0;
     68  1.3.2.2  rmind 
     69  1.3.2.2  rmind 	return 1;
     70  1.3.2.2  rmind }
     71  1.3.2.2  rmind 
     72  1.3.2.2  rmind int hil_is_console = -1;	/* undecided */
     73  1.3.2.2  rmind 
     74  1.3.2.2  rmind void
     75  1.3.2.2  rmind hil_intio_attach(device_t parent, device_t self, void *aux)
     76  1.3.2.2  rmind {
     77  1.3.2.2  rmind 	struct hil_softc *sc = device_private(self);
     78  1.3.2.2  rmind 	struct intio_attach_args *ia = aux;
     79  1.3.2.2  rmind 
     80  1.3.2.2  rmind 	sc->sc_dev = self;
     81  1.3.2.2  rmind 	sc->sc_bst = ia->ia_bst;
     82  1.3.2.2  rmind 	if (bus_space_map(sc->sc_bst, ia->ia_iobase,
     83  1.3.2.2  rmind 	    HILMAPSIZE, 0, &sc->sc_bsh) != 0) {
     84  1.3.2.2  rmind 		aprint_error(": couldn't map hil controller\n");
     85  1.3.2.2  rmind 		return;
     86  1.3.2.2  rmind 	}
     87  1.3.2.2  rmind 
     88  1.3.2.2  rmind 	/*
     89  1.3.2.2  rmind 	 * Check that the configured console device is a wsdisplay.
     90  1.3.2.2  rmind 	 */
     91  1.3.2.2  rmind 	if (major(cn_tab->cn_dev) != devsw_name2chr("wsdisplay", NULL, 0))
     92  1.3.2.2  rmind 		hil_is_console = 0;
     93  1.3.2.2  rmind 
     94  1.3.2.2  rmind 	hil_attach(sc, &hil_is_console);
     95  1.3.2.2  rmind 	intr_establish(hil_intr, sc, ia->ia_ipl, IPL_TTY);
     96  1.3.2.2  rmind 
     97  1.3.2.2  rmind 	config_interrupts(self, hil_attach_deferred);
     98  1.3.2.2  rmind }
     99