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fdc_cbus.c (132210) fdc_cbus.c (132286)
1/*
1/*-
2 * Copyright (c) 2004 Yoshihiro TAKAHASHI
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions, and the following disclaimer,
10 * without modification, immediately at the beginning of the file.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
14 * distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
2 * Copyright (c) 2004 Yoshihiro TAKAHASHI
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions, and the following disclaimer,
10 * without modification, immediately at the beginning of the file.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
14 * distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30__FBSDID("$FreeBSD: head/sys/pc98/cbus/fdc_cbus.c 132210 2004-07-15 15:00:02Z nyan $");
30__FBSDID("$FreeBSD: head/sys/pc98/cbus/fdc_cbus.c 132286 2004-07-17 10:07:19Z nyan $");
31
32#include <sys/param.h>
33#include <sys/bio.h>
34#include <sys/bus.h>
35#include <sys/kernel.h>
36#include <sys/module.h>
37#include <sys/rman.h>
38#include <sys/systm.h>
39
40#include <machine/bus.h>
41
42#include <pc98/pc98/fdcvar.h>
43#include <pc98/pc98/fdreg.h>
44
45#include <isa/isavar.h>
46#include <pc98/pc98/pc98.h>
47
48static bus_addr_t fdc_iat[] = {0, 2, 4};
49
50static int
51fdc_cbus_alloc_resources(device_t dev, struct fdc_data *fdc)
52{
53 int rid;
54
55 fdc->fdc_dev = dev;
56 fdc->rid_ioport = 0;
57 fdc->rid_irq = 0;
58 fdc->rid_drq = 0;
59 fdc->res_irq = 0;
60 fdc->res_drq = 0;
61
62 fdc->res_ioport = isa_alloc_resourcev(dev, SYS_RES_IOPORT,
63 &fdc->rid_ioport, fdc_iat,
64 3, RF_ACTIVE);
65 if (fdc->res_ioport == 0) {
66 device_printf(dev, "cannot reserve I/O port range\n");
67 return ENXIO;
68 }
69 isa_load_resourcev(fdc->res_ioport, fdc_iat, 3);
70 fdc->portt = rman_get_bustag(fdc->res_ioport);
71 fdc->porth = rman_get_bushandle(fdc->res_ioport);
72
73 rid = 3;
74 bus_set_resource(dev, SYS_RES_IOPORT, rid, IO_FDPORT, 1);
75 fdc->res_fdsio = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,
76 RF_ACTIVE);
77 if (fdc->res_fdsio == 0)
78 return ENXIO;
79 fdc->sc_fdsiot = rman_get_bustag(fdc->res_fdsio);
80 fdc->sc_fdsioh = rman_get_bushandle(fdc->res_fdsio);
81
82 rid = 4;
83 bus_set_resource(dev, SYS_RES_IOPORT, rid, 0x4be, 1);
84 fdc->res_fdemsio = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,
85 RF_ACTIVE);
86 if (fdc->res_fdemsio == 0)
87 return ENXIO;
88 fdc->sc_fdemsiot = rman_get_bustag(fdc->res_fdemsio);
89 fdc->sc_fdemsioh = rman_get_bushandle(fdc->res_fdemsio);
90
91 fdc->res_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &fdc->rid_irq,
92 RF_ACTIVE);
93 if (fdc->res_irq == 0) {
94 device_printf(dev, "cannot reserve interrupt line\n");
95 return ENXIO;
96 }
97
98 if ((fdc->flags & FDC_NODMA) == 0) {
99 fdc->res_drq = bus_alloc_resource_any(dev, SYS_RES_DRQ,
100 &fdc->rid_drq, RF_ACTIVE);
101 if (fdc->res_drq == 0) {
102 device_printf(dev, "cannot reserve DMA request line\n");
103 return ENXIO;
104 }
105 fdc->dmachan = rman_get_start(fdc->res_drq);
106 }
107
108 return 0;
109}
110
111static int
112fdc_cbus_probe(device_t dev)
113{
114 int error;
115 struct fdc_data *fdc;
116
117 fdc = device_get_softc(dev);
118
119 /* Check pnp ids */
120 if (isa_get_vendorid(dev))
121 return (ENXIO);
122
123 /* Attempt to allocate our resources for the duration of the probe */
124 error = fdc_cbus_alloc_resources(dev, fdc);
125 if (!error)
126 error = fdc_initial_reset(fdc);
127
128 fdc_release_resources(fdc);
129 return (error);
130}
131
132static int
133fdc_cbus_attach(device_t dev)
134{
31
32#include <sys/param.h>
33#include <sys/bio.h>
34#include <sys/bus.h>
35#include <sys/kernel.h>
36#include <sys/module.h>
37#include <sys/rman.h>
38#include <sys/systm.h>
39
40#include <machine/bus.h>
41
42#include <pc98/pc98/fdcvar.h>
43#include <pc98/pc98/fdreg.h>
44
45#include <isa/isavar.h>
46#include <pc98/pc98/pc98.h>
47
48static bus_addr_t fdc_iat[] = {0, 2, 4};
49
50static int
51fdc_cbus_alloc_resources(device_t dev, struct fdc_data *fdc)
52{
53 int rid;
54
55 fdc->fdc_dev = dev;
56 fdc->rid_ioport = 0;
57 fdc->rid_irq = 0;
58 fdc->rid_drq = 0;
59 fdc->res_irq = 0;
60 fdc->res_drq = 0;
61
62 fdc->res_ioport = isa_alloc_resourcev(dev, SYS_RES_IOPORT,
63 &fdc->rid_ioport, fdc_iat,
64 3, RF_ACTIVE);
65 if (fdc->res_ioport == 0) {
66 device_printf(dev, "cannot reserve I/O port range\n");
67 return ENXIO;
68 }
69 isa_load_resourcev(fdc->res_ioport, fdc_iat, 3);
70 fdc->portt = rman_get_bustag(fdc->res_ioport);
71 fdc->porth = rman_get_bushandle(fdc->res_ioport);
72
73 rid = 3;
74 bus_set_resource(dev, SYS_RES_IOPORT, rid, IO_FDPORT, 1);
75 fdc->res_fdsio = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,
76 RF_ACTIVE);
77 if (fdc->res_fdsio == 0)
78 return ENXIO;
79 fdc->sc_fdsiot = rman_get_bustag(fdc->res_fdsio);
80 fdc->sc_fdsioh = rman_get_bushandle(fdc->res_fdsio);
81
82 rid = 4;
83 bus_set_resource(dev, SYS_RES_IOPORT, rid, 0x4be, 1);
84 fdc->res_fdemsio = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,
85 RF_ACTIVE);
86 if (fdc->res_fdemsio == 0)
87 return ENXIO;
88 fdc->sc_fdemsiot = rman_get_bustag(fdc->res_fdemsio);
89 fdc->sc_fdemsioh = rman_get_bushandle(fdc->res_fdemsio);
90
91 fdc->res_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &fdc->rid_irq,
92 RF_ACTIVE);
93 if (fdc->res_irq == 0) {
94 device_printf(dev, "cannot reserve interrupt line\n");
95 return ENXIO;
96 }
97
98 if ((fdc->flags & FDC_NODMA) == 0) {
99 fdc->res_drq = bus_alloc_resource_any(dev, SYS_RES_DRQ,
100 &fdc->rid_drq, RF_ACTIVE);
101 if (fdc->res_drq == 0) {
102 device_printf(dev, "cannot reserve DMA request line\n");
103 return ENXIO;
104 }
105 fdc->dmachan = rman_get_start(fdc->res_drq);
106 }
107
108 return 0;
109}
110
111static int
112fdc_cbus_probe(device_t dev)
113{
114 int error;
115 struct fdc_data *fdc;
116
117 fdc = device_get_softc(dev);
118
119 /* Check pnp ids */
120 if (isa_get_vendorid(dev))
121 return (ENXIO);
122
123 /* Attempt to allocate our resources for the duration of the probe */
124 error = fdc_cbus_alloc_resources(dev, fdc);
125 if (!error)
126 error = fdc_initial_reset(fdc);
127
128 fdc_release_resources(fdc);
129 return (error);
130}
131
132static int
133fdc_cbus_attach(device_t dev)
134{
135 int error;
136 struct fdc_data *fdc;
135 struct fdc_data *fdc;
136 int error;
137
138 fdc = device_get_softc(dev);
139
140 if ((error = fdc_cbus_alloc_resources(dev, fdc)) != 0 ||
137
138 fdc = device_get_softc(dev);
139
140 if ((error = fdc_cbus_alloc_resources(dev, fdc)) != 0 ||
141 (error = fdc_attach(dev)) != 0) {
141 (error = fdc_attach(dev)) != 0 ||
142 (error = fdc_hints_probe(dev)) != 0) {
142 fdc_release_resources(fdc);
143 return (error);
144 }
145
146 return (0);
147}
148
149static device_method_t fdc_methods[] = {
150 /* Device interface */
151 DEVMETHOD(device_probe, fdc_cbus_probe),
152 DEVMETHOD(device_attach, fdc_cbus_attach),
153 DEVMETHOD(device_detach, fdc_detach),
154 DEVMETHOD(device_shutdown, bus_generic_shutdown),
155 DEVMETHOD(device_suspend, bus_generic_suspend),
156 DEVMETHOD(device_resume, bus_generic_resume),
157
158 /* Bus interface */
159 DEVMETHOD(bus_print_child, fdc_print_child),
160 DEVMETHOD(bus_read_ivar, fdc_read_ivar),
161 DEVMETHOD(bus_write_ivar, fdc_write_ivar),
162 /* Our children never use any other bus interface methods. */
163
164 { 0, 0 }
165};
166
167static driver_t fdc_driver = {
168 "fdc",
169 fdc_methods,
170 sizeof(struct fdc_data)
171};
172
173DRIVER_MODULE(fdc, isa, fdc_driver, fdc_devclass, 0, 0);
143 fdc_release_resources(fdc);
144 return (error);
145 }
146
147 return (0);
148}
149
150static device_method_t fdc_methods[] = {
151 /* Device interface */
152 DEVMETHOD(device_probe, fdc_cbus_probe),
153 DEVMETHOD(device_attach, fdc_cbus_attach),
154 DEVMETHOD(device_detach, fdc_detach),
155 DEVMETHOD(device_shutdown, bus_generic_shutdown),
156 DEVMETHOD(device_suspend, bus_generic_suspend),
157 DEVMETHOD(device_resume, bus_generic_resume),
158
159 /* Bus interface */
160 DEVMETHOD(bus_print_child, fdc_print_child),
161 DEVMETHOD(bus_read_ivar, fdc_read_ivar),
162 DEVMETHOD(bus_write_ivar, fdc_write_ivar),
163 /* Our children never use any other bus interface methods. */
164
165 { 0, 0 }
166};
167
168static driver_t fdc_driver = {
169 "fdc",
170 fdc_methods,
171 sizeof(struct fdc_data)
172};
173
174DRIVER_MODULE(fdc, isa, fdc_driver, fdc_devclass, 0, 0);