1 /*        $NetBSD: ess_isapnp.c,v 1.23 2019/05/08 13:40:18 isaki Exp $          */
2 
3 /*
4  * Copyright (c) 1991-1993 Regents of the University of California.
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. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *        This product includes software developed by the Computer Systems
18  *        Engineering Group at Lawrence Berkeley Laboratory.
19  * 4. Neither the name of the University nor of the Laboratory may be used
20  *    to endorse or promote products derived from this software without
21  *    specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  */
36 
37 #include <sys/cdefs.h>
38 __KERNEL_RCSID(0, "$NetBSD: ess_isapnp.c,v 1.23 2019/05/08 13:40:18 isaki Exp $");
39 
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/errno.h>
43 #include <sys/ioctl.h>
44 #include <sys/syslog.h>
45 #include <sys/device.h>
46 #include <sys/proc.h>
47 
48 #include <sys/bus.h>
49 
50 #include <sys/audioio.h>
51 #include <dev/audio/audio_if.h>
52 
53 #include <dev/isa/isavar.h>
54 #include <dev/isa/isadmavar.h>
55 
56 #include <dev/isapnp/isapnpreg.h>
57 #include <dev/isapnp/isapnpvar.h>
58 #include <dev/isapnp/isapnpdevs.h>
59 
60 #include <dev/isa/essreg.h>
61 #include <dev/isa/essvar.h>
62 
63 int       ess_isapnp_match(device_t, cfdata_t, void *);
64 void      ess_isapnp_attach(device_t, device_t, void *);
65 
66 CFATTACH_DECL_NEW(ess_isapnp, sizeof(struct ess_softc),
67     ess_isapnp_match, ess_isapnp_attach, NULL, NULL);
68 
69 /*
70  * Probe / attach routines.
71  */
72 
73 /*
74  * Probe for the ess hardware.
75  */
76 int
ess_isapnp_match(device_t parent,cfdata_t match,void * aux)77 ess_isapnp_match(device_t parent, cfdata_t match, void *aux)
78 {
79           int pri, variant;
80 
81           pri = isapnp_devmatch(aux, &isapnp_ess_devinfo, &variant);
82           if (pri && variant > 0)
83                     pri = 0;
84           return pri;
85 }
86 
87 
88 /*
89  * Attach hardware to driver, attach hardware driver to audio
90  * pseudo-device driver.
91  */
92 void
ess_isapnp_attach(device_t parent,device_t self,void * aux)93 ess_isapnp_attach(device_t parent, device_t self, void *aux)
94 {
95           struct ess_softc *sc;
96           struct isapnp_attach_args *ipa;
97 
98           sc = device_private(self);
99           sc->sc_dev = self;
100           ipa = aux;
101 
102           aprint_naive("\n");
103           aprint_normal("\n");
104 
105           if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
106                     aprint_error_dev(self, "error in region allocation\n");
107                     return;
108           }
109 
110           sc->sc_ic = ipa->ipa_ic;
111 
112           sc->sc_iot = ipa->ipa_iot;
113           sc->sc_iobase = ipa->ipa_io[0].base;
114           sc->sc_ioh = ipa->ipa_io[0].h;
115 
116           sc->sc_audio1.irq = ipa->ipa_irq[0].num;
117           sc->sc_audio1.ist = ipa->ipa_irq[0].type;
118           sc->sc_audio1.drq = ipa->ipa_drq[0].num;
119           sc->sc_audio2.irq = -1;
120           sc->sc_audio2.drq = ipa->ipa_drq[1].num;
121 
122           if (!essmatch(sc)) {
123                     aprint_error_dev(self, "essmatch failed\n");
124                     return;
125           }
126 
127           aprint_normal_dev(self, "");
128 
129           essattach(sc, 0);
130 }
131