xref: /netbsd/sys/dev/acpi/spic_acpi.c (revision bf9ec67e)
1 #include <sys/cdefs.h>
2 __KERNEL_RCSID(0, "$NetBSD: spic_acpi.c,v 1.1 2002/04/22 12:42:56 augustss Exp $");
3 
4 #include <sys/param.h>
5 #include <sys/systm.h>
6 #include <sys/device.h>
7 #include <sys/proc.h>
8 #include <sys/kernel.h>
9 #include <sys/callout.h>
10 
11 #include <machine/bus.h>
12 
13 void	*isa_intr_establish(void *ic, int irq, int type,
14 	    int level, int (*ih_fun)(void *), void *ih_arg);
15 
16 #include <dev/ic/spicvar.h>
17 
18 #include <dev/acpi/acpica.h>
19 #include <dev/acpi/acpivar.h>
20 
21 struct spic_acpi_softc {
22 	struct spic_softc sc_spic;	/* spic device */
23 
24 	struct acpi_devnode *sc_node;	/* our ACPI devnode */
25 
26 	struct acpi_resources sc_res;	/* our bus resources */
27 
28 	void *sc_ih;
29 };
30 
31 int	spic_acpi_match(struct device *, struct cfdata *, void *);
32 void	spic_acpi_attach(struct device *, struct device *, void *);
33 
34 struct cfattach spic_acpi_ca = {
35 	sizeof(struct spic_acpi_softc), spic_acpi_match, spic_acpi_attach,
36 	/* spic_acpi_detach, spic_acpi_activate */
37 };
38 
39 int
40 spic_acpi_match(struct device *parent, struct cfdata *match, void *aux)
41 {
42 	struct acpi_attach_args *aa = aux;
43 
44 	if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE)
45 		return (0);
46 
47 	if (strcmp(aa->aa_node->ad_devinfo.HardwareId, "SNY6001") == 0)
48 		return (1);
49 
50 	return (0);
51 }
52 
53 void
54 spic_acpi_attach(struct device *parent, struct device *self, void *aux)
55 {
56 	struct spic_acpi_softc *sc = (void *) self;
57 	struct acpi_attach_args *aa = aux;
58 	struct acpi_io *io;
59 	struct acpi_irq *irq;
60 	ACPI_STATUS rv;
61 
62 	printf(": Sony Programmable I/O Controller\n");
63 
64 	sc->sc_node = aa->aa_node;
65 
66 	/* Parse our resources. */
67 	rv = acpi_resource_parse(&sc->sc_spic.sc_dev, sc->sc_node, &sc->sc_res,
68 	    &acpi_resource_parse_ops_default);
69 	if (rv != AE_OK) {
70 		printf("%s: unable to parse resources: %d\n",
71 		    sc->sc_spic.sc_dev.dv_xname, rv);
72 		return;
73 	}
74 
75 	sc->sc_spic.sc_iot = aa->aa_iot;
76 	io = acpi_res_io(&sc->sc_res, 0);
77 	if (io == NULL) {
78 		printf("%s: unable to find io resource\n",
79 		    sc->sc_spic.sc_dev.dv_xname);
80 		return;
81 	}
82 	if (bus_space_map(sc->sc_spic.sc_iot, io->ar_base, io->ar_length,
83 	    0, &sc->sc_spic.sc_ioh) != 0) {
84 		printf("%s: unable to map data register\n",
85 		    sc->sc_spic.sc_dev.dv_xname);
86 		return;
87 	}
88 	irq = acpi_res_irq(&sc->sc_res, 0);
89 	if (irq == NULL) {
90 		printf("%s: unable to find irq resource\n",
91 		    sc->sc_spic.sc_dev.dv_xname);
92 		/* XXX unmap */
93 		return;
94 	}
95 #if 0
96 	sc->sc_ih = isa_intr_establish(NULL, irq->ar_irq,
97 	    IST_EDGE, IPL_TTY, spic_intr, sc);
98 #endif
99 
100 	spic_attach(&sc->sc_spic);
101 }
102 
103