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      1 /*	$NetBSD: txsim.c,v 1.19 2021/08/07 16:18:54 thorpej Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1999, 2000 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by UCHIYAMA Yasushi.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: txsim.c,v 1.19 2021/08/07 16:18:54 thorpej Exp $");
     34 
     35 #include "opt_vr41xx.h"
     36 #include "opt_tx39xx.h"
     37 /*
     38  * TX System Internal Module.
     39  */
     40 
     41 #include <sys/param.h>
     42 #include <sys/systm.h>
     43 #include <sys/device.h>
     44 
     45 #include <machine/bus.h>
     46 #include <machine/autoconf.h>
     47 #include <machine/platid.h>
     48 #include <machine/platid_mask.h>
     49 
     50 #include <hpcmips/tx/tx39var.h>
     51 #include <hpcmips/tx/txsnd.h>
     52 
     53 int	txsim_match(device_t, cfdata_t, void *);
     54 void	txsim_attach(device_t, device_t, void *);
     55 int	txsim_print(void *, const char*);
     56 int	txsim_search(device_t, cfdata_t, const int *, void *);
     57 
     58 struct txsim_softc {
     59 	int sc_pri; /* attaching device priority */
     60 };
     61 
     62 CFATTACH_DECL_NEW(txsim, sizeof(struct txsim_softc),
     63     txsim_match, txsim_attach, NULL, NULL);
     64 
     65 int
     66 txsim_match(device_t parent, cfdata_t match, void *aux)
     67 {
     68 	struct mainbus_attach_args *ma = aux;
     69 
     70 #ifdef VR41XX
     71 	if (platid_match(&platid, &platid_mask_CPU_MIPS_VR_41XX))
     72 	  return (0);
     73 #endif /* VR41XX */
     74 	if (strcmp(ma->ma_name, match->cf_name))
     75 		return (0);
     76 
     77 	return (1);
     78 }
     79 
     80 void
     81 txsim_attach(device_t parent, device_t self, void *aux)
     82 {
     83 	struct txsim_softc *sc = device_private(self);
     84 
     85 	printf("\n");
     86 
     87 	tx_sound_init(tx_conf_get_tag());
     88 	/*
     89 	 * interrupt, clock module is used by other system module.
     90 	 * so attach first.
     91 	 */
     92 	sc->sc_pri = ATTACH_FIRST;
     93 	config_search(self, NULL,
     94 	    CFARGS(.search = txsim_search));
     95 
     96 	/*
     97 	 * unified I/O manager requires all I/O capable module already
     98 	 * attached.
     99 	 */
    100 	sc->sc_pri = ATTACH_NORMAL;
    101 	config_search(self, NULL,
    102 	    CFARGS(.search = txsim_search));
    103 
    104 	/*
    105 	 * UART module uses platform dependent config_hooks.
    106 	 */
    107 	sc->sc_pri = ATTACH_LAST;
    108 	config_search(self, NULL,
    109 	    CFARGS(.search = txsim_search));
    110 }
    111 
    112 int
    113 txsim_print(void *aux, const char *pnp)
    114 {
    115 	return (pnp ? QUIET : UNCONF);
    116 }
    117 
    118 int
    119 txsim_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
    120 {
    121 	struct txsim_softc *sc = device_private(parent);
    122 	struct txsim_attach_args ta;
    123 
    124 	ta.ta_tc = tx_conf_get_tag();
    125 
    126 	if (/*XXX*/config_probe(parent, cf, &ta) == sc->sc_pri)
    127 		config_attach(parent, cf, &ta, txsim_print, CFARGS_NONE);
    128 
    129 	return (0);
    130 }
    131