1/*-
2 * Device driver for Specialix range (SI/XIO) of serial line multiplexors.
3 *
4 * Copyright (C) 2000, Peter Wemm <peter@netplex.com.au>
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notices, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notices, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED
16 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
17 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
18 * NO EVENT SHALL THE AUTHORS BE LIABLE.
19 *
20 */
21
22#include <sys/cdefs.h>
23__FBSDID("$FreeBSD$");
24
25#include <sys/param.h>
26#include <sys/systm.h>
27#include <sys/kernel.h>
28#include <sys/module.h>
29#include <sys/bus.h>
30#include <machine/bus.h>
31#include <sys/rman.h>
32#include <machine/resource.h>
33
34#include <dev/si/sireg.h>
35#include <dev/si/sivar.h>
36
37#include <dev/eisa/eisaconf.h>
38
39static int
40si_eisa_probe(device_t dev)
41{
42	u_long iobase;
43	u_long maddr;
44	int irq;
45
46	if (eisa_get_id(dev) != SIEISADEVID)
47		return ENXIO;
48
49	device_set_desc(dev, "Specialix SI/XIO EISA host card");
50
51	iobase = (eisa_get_slot(dev) * EISA_SLOT_SIZE) + SIEISABASE;
52	eisa_add_iospace(dev, iobase, SIEISAIOSIZE, RESVADDR_NONE);
53
54	maddr = (inb(iobase+1) << 24) | (inb(iobase) << 16);
55	eisa_add_mspace(dev, maddr, SIEISA_MEMSIZE, RESVADDR_NONE);
56
57	irq  = ((inb(iobase+2) >> 4) & 0xf);
58	eisa_add_intr(dev, irq, EISA_TRIGGER_LEVEL);	/* XXX shared? */
59
60	return (0);
61}
62
63static int
64si_eisa_attach(device_t dev)
65{
66	struct si_softc *sc;
67	void *ih;
68	int error;
69
70	error = 0;
71	ih = NULL;
72	sc = device_get_softc(dev);
73
74	sc->sc_type = SIEISA;
75
76	sc->sc_port_rid = 0;
77	sc->sc_port_res = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
78						 &sc->sc_port_rid, RF_ACTIVE);
79	if (!sc->sc_port_res) {
80		device_printf(dev, "couldn't allocate ioports\n");
81		goto fail;
82	}
83	sc->sc_iobase = rman_get_start(sc->sc_port_res);
84
85	sc->sc_mem_rid = 0;
86	sc->sc_mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
87						&sc->sc_mem_rid, RF_ACTIVE);
88	if (!sc->sc_mem_res) {
89		device_printf(dev, "couldn't allocate iomemory");
90		goto fail;
91	}
92	sc->sc_paddr = (caddr_t)rman_get_start(sc->sc_mem_res);
93	sc->sc_maddr = rman_get_virtual(sc->sc_mem_res);
94
95	sc->sc_irq_rid = 0;
96	sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
97						&sc->sc_irq_rid,
98						RF_ACTIVE | RF_SHAREABLE);
99	if (!sc->sc_irq_res) {
100		device_printf(dev, "couldn't allocate interrupt");
101		goto fail;
102	}
103	sc->sc_irq = rman_get_start(sc->sc_irq_res);
104	error = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_TTY,
105			       NULL, si_intr, sc,&ih);
106	if (error) {
107		device_printf(dev, "couldn't activate interrupt");
108		goto fail;
109	}
110
111	error = siattach(dev);
112	if (error)
113		goto fail;
114	return (0);		/* success */
115
116fail:
117	if (error == 0)
118		error = ENXIO;
119	if (sc->sc_irq_res) {
120		if (ih)
121			bus_teardown_intr(dev, sc->sc_irq_res, ih);
122		bus_release_resource(dev, SYS_RES_IRQ,
123				     sc->sc_irq_rid, sc->sc_irq_res);
124		sc->sc_irq_res = 0;
125	}
126	if (sc->sc_mem_res) {
127		bus_release_resource(dev, SYS_RES_MEMORY,
128				     sc->sc_mem_rid, sc->sc_mem_res);
129		sc->sc_mem_res = 0;
130	}
131	if (sc->sc_port_res) {
132		bus_release_resource(dev, SYS_RES_IOPORT,
133				     sc->sc_port_rid, sc->sc_port_res);
134		sc->sc_port_res = 0;
135	}
136	return (error);
137}
138
139static device_method_t si_eisa_methods[] = {
140	/* Device interface */
141	DEVMETHOD(device_probe,		si_eisa_probe),
142	DEVMETHOD(device_attach,	si_eisa_attach),
143
144	{ 0, 0 }
145};
146
147static driver_t si_eisa_driver = {
148	"si",
149	si_eisa_methods,
150	sizeof(struct si_softc),
151};
152
153DRIVER_MODULE(si, eisa, si_eisa_driver, si_devclass, 0, 0);
154