1/*-
2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
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 as
10 * the first lines of this file unmodified.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, 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 THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
| 1/*-
2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
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 as
10 * the first lines of this file unmodified.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, 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 THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
|
28__FBSDID("$FreeBSD: head/sys/dev/atkbdc/atkbdc_isa.c 147271 2005-06-10 20:56:38Z marius $");
| 28__FBSDID("$FreeBSD: head/sys/dev/atkbdc/atkbdc_isa.c 158041 2006-04-26 06:05:16Z sobomax $");
|
29
30#include "opt_kbd.h"
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/kernel.h>
35#include <sys/module.h>
36#include <sys/bus.h>
37#include <sys/malloc.h>
38#include <machine/resource.h>
39#include <sys/rman.h>
40
41#include <dev/atkbdc/atkbdc_subr.h>
42#include <dev/atkbdc/atkbdcreg.h>
43
44#include <isa/isareg.h>
45#include <isa/isavar.h>
46
47static int atkbdc_isa_probe(device_t dev);
48static int atkbdc_isa_attach(device_t dev);
49static device_t atkbdc_isa_add_child(device_t bus, int order, char *name,
50 int unit);
51
52static device_method_t atkbdc_isa_methods[] = {
53 DEVMETHOD(device_probe, atkbdc_isa_probe),
54 DEVMETHOD(device_attach, atkbdc_isa_attach),
55 DEVMETHOD(device_suspend, bus_generic_suspend),
56 DEVMETHOD(device_resume, bus_generic_resume),
57
58 DEVMETHOD(bus_add_child, atkbdc_isa_add_child),
59 DEVMETHOD(bus_print_child, atkbdc_print_child),
60 DEVMETHOD(bus_read_ivar, atkbdc_read_ivar),
61 DEVMETHOD(bus_write_ivar, atkbdc_write_ivar),
62 DEVMETHOD(bus_get_resource_list,atkbdc_get_resource_list),
63 DEVMETHOD(bus_alloc_resource, bus_generic_rl_alloc_resource),
64 DEVMETHOD(bus_release_resource, bus_generic_rl_release_resource),
65 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
66 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
67 DEVMETHOD(bus_get_resource, bus_generic_rl_get_resource),
68 DEVMETHOD(bus_set_resource, bus_generic_rl_set_resource),
69 DEVMETHOD(bus_delete_resource, bus_generic_rl_delete_resource),
70 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
71 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
72
73 { 0, 0 }
74};
75
76static driver_t atkbdc_isa_driver = {
77 ATKBDC_DRIVER_NAME,
78 atkbdc_isa_methods,
79 sizeof(atkbdc_softc_t *),
80};
81
82static struct isa_pnp_id atkbdc_ids[] = {
83 { 0x0303d041, "Keyboard controller (i8042)" }, /* PNP0303 */
84 { 0 }
85};
86
87static int
88atkbdc_isa_probe(device_t dev)
89{
90 struct resource *port0;
91 struct resource *port1;
92 u_long start;
93 u_long count;
94 int error;
95 int rid;
| 29
30#include "opt_kbd.h"
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/kernel.h>
35#include <sys/module.h>
36#include <sys/bus.h>
37#include <sys/malloc.h>
38#include <machine/resource.h>
39#include <sys/rman.h>
40
41#include <dev/atkbdc/atkbdc_subr.h>
42#include <dev/atkbdc/atkbdcreg.h>
43
44#include <isa/isareg.h>
45#include <isa/isavar.h>
46
47static int atkbdc_isa_probe(device_t dev);
48static int atkbdc_isa_attach(device_t dev);
49static device_t atkbdc_isa_add_child(device_t bus, int order, char *name,
50 int unit);
51
52static device_method_t atkbdc_isa_methods[] = {
53 DEVMETHOD(device_probe, atkbdc_isa_probe),
54 DEVMETHOD(device_attach, atkbdc_isa_attach),
55 DEVMETHOD(device_suspend, bus_generic_suspend),
56 DEVMETHOD(device_resume, bus_generic_resume),
57
58 DEVMETHOD(bus_add_child, atkbdc_isa_add_child),
59 DEVMETHOD(bus_print_child, atkbdc_print_child),
60 DEVMETHOD(bus_read_ivar, atkbdc_read_ivar),
61 DEVMETHOD(bus_write_ivar, atkbdc_write_ivar),
62 DEVMETHOD(bus_get_resource_list,atkbdc_get_resource_list),
63 DEVMETHOD(bus_alloc_resource, bus_generic_rl_alloc_resource),
64 DEVMETHOD(bus_release_resource, bus_generic_rl_release_resource),
65 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
66 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
67 DEVMETHOD(bus_get_resource, bus_generic_rl_get_resource),
68 DEVMETHOD(bus_set_resource, bus_generic_rl_set_resource),
69 DEVMETHOD(bus_delete_resource, bus_generic_rl_delete_resource),
70 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
71 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
72
73 { 0, 0 }
74};
75
76static driver_t atkbdc_isa_driver = {
77 ATKBDC_DRIVER_NAME,
78 atkbdc_isa_methods,
79 sizeof(atkbdc_softc_t *),
80};
81
82static struct isa_pnp_id atkbdc_ids[] = {
83 { 0x0303d041, "Keyboard controller (i8042)" }, /* PNP0303 */
84 { 0 }
85};
86
87static int
88atkbdc_isa_probe(device_t dev)
89{
90 struct resource *port0;
91 struct resource *port1;
92 u_long start;
93 u_long count;
94 int error;
95 int rid;
|
| 96#if defined(__i386__)
97 bus_space_tag_t tag;
98 bus_space_handle_t ioh1;
99 volatile int i;
100 register_t flags;
101#endif
|
96
97 /* check PnP IDs */
98 if (ISA_PNP_PROBE(device_get_parent(dev), dev, atkbdc_ids) == ENXIO)
99 return ENXIO;
100
101 device_set_desc(dev, "Keyboard controller (i8042)");
102
103 /*
104 * Adjust I/O port resources.
105 * The AT keyboard controller uses two ports (a command/data port
106 * 0x60 and a status port 0x64), which may be given to us in
107 * one resource (0x60 through 0x64) or as two separate resources
108 * (0x60 and 0x64). Furthermore, /boot/device.hints may contain
109 * just one port, 0x60. We shall adjust resource settings
110 * so that these two ports are available as two separate resources.
111 */
112 device_quiet(dev);
113 rid = 0;
114 if (bus_get_resource(dev, SYS_RES_IOPORT, rid, &start, &count) != 0)
115 return ENXIO;
116 if (count > 1) /* adjust the count */
117 bus_set_resource(dev, SYS_RES_IOPORT, rid, start, 1);
118 port0 = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
119 if (port0 == NULL)
120 return ENXIO;
121 rid = 1;
122 if (bus_get_resource(dev, SYS_RES_IOPORT, rid, NULL, NULL) != 0)
123 bus_set_resource(dev, SYS_RES_IOPORT, 1,
124 start + KBD_STATUS_PORT, 1);
125 port1 = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
126 if (port1 == NULL) {
127 bus_release_resource(dev, SYS_RES_IOPORT, 0, port0);
128 return ENXIO;
129 }
| 102
103 /* check PnP IDs */
104 if (ISA_PNP_PROBE(device_get_parent(dev), dev, atkbdc_ids) == ENXIO)
105 return ENXIO;
106
107 device_set_desc(dev, "Keyboard controller (i8042)");
108
109 /*
110 * Adjust I/O port resources.
111 * The AT keyboard controller uses two ports (a command/data port
112 * 0x60 and a status port 0x64), which may be given to us in
113 * one resource (0x60 through 0x64) or as two separate resources
114 * (0x60 and 0x64). Furthermore, /boot/device.hints may contain
115 * just one port, 0x60. We shall adjust resource settings
116 * so that these two ports are available as two separate resources.
117 */
118 device_quiet(dev);
119 rid = 0;
120 if (bus_get_resource(dev, SYS_RES_IOPORT, rid, &start, &count) != 0)
121 return ENXIO;
122 if (count > 1) /* adjust the count */
123 bus_set_resource(dev, SYS_RES_IOPORT, rid, start, 1);
124 port0 = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
125 if (port0 == NULL)
126 return ENXIO;
127 rid = 1;
128 if (bus_get_resource(dev, SYS_RES_IOPORT, rid, NULL, NULL) != 0)
129 bus_set_resource(dev, SYS_RES_IOPORT, 1,
130 start + KBD_STATUS_PORT, 1);
131 port1 = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
132 if (port1 == NULL) {
133 bus_release_resource(dev, SYS_RES_IOPORT, 0, port0);
134 return ENXIO;
135 }
|
| 136
137#if defined(__i386__)
138 /*
139 * Check if we really have AT keyboard controller. Poll status
140 * register until we get "all clear" indication. If no such
141 * indication comes, it probably means that there is no AT
142 * keyboard controller present. Give up in such case. Check relies
143 * on the fact that reading from non-existing in/out port returns
144 * 0xff on i386. May or may not be true on other platforms.
145 */
146 tag = rman_get_bustag(port0);
147 ioh1 = rman_get_bushandle(port1);
148 flags = intr_disable();
149 for (i = 0; i != 65535; i++) {
150 if ((bus_space_read_1(tag, ioh1, 0) & 0x2) == 0)
151 break;
152 }
153 intr_restore(flags);
154 if (i == 65535) {
155 bus_release_resource(dev, SYS_RES_IOPORT, 0, port0);
156 bus_release_resource(dev, SYS_RES_IOPORT, 1, port1);
157 return ENXIO;
158 }
159#endif
160
|
130 device_verbose(dev);
131
132 error = atkbdc_probe_unit(device_get_unit(dev), port0, port1);
133 if (error == 0)
134 bus_generic_probe(dev);
135
136 bus_release_resource(dev, SYS_RES_IOPORT, 0, port0);
137 bus_release_resource(dev, SYS_RES_IOPORT, 1, port1);
138
139 return error;
140}
141
142static int
143atkbdc_isa_attach(device_t dev)
144{
145 atkbdc_softc_t *sc;
146 int unit;
147 int error;
148 int rid;
149
150 unit = device_get_unit(dev);
151 sc = *(atkbdc_softc_t **)device_get_softc(dev);
152 if (sc == NULL) {
153 /*
154 * We have to maintain two copies of the kbdc_softc struct,
155 * as the low-level console needs to have access to the
156 * keyboard controller before kbdc is probed and attached.
157 * kbdc_soft[] contains the default entry for that purpose.
158 * See atkbdc.c. XXX
159 */
160 sc = atkbdc_get_softc(unit);
161 if (sc == NULL)
162 return ENOMEM;
163 }
164
165 rid = 0;
166 sc->port0 = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,
167 RF_ACTIVE);
168 if (sc->port0 == NULL)
169 return ENXIO;
170 rid = 1;
171 sc->port1 = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,
172 RF_ACTIVE);
173 if (sc->port1 == NULL) {
174 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->port0);
175 return ENXIO;
176 }
177
178 error = atkbdc_attach_unit(unit, sc, sc->port0, sc->port1);
179 if (error) {
180 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->port0);
181 bus_release_resource(dev, SYS_RES_IOPORT, 1, sc->port1);
182 return error;
183 }
184 *(atkbdc_softc_t **)device_get_softc(dev) = sc;
185
186 bus_generic_attach(dev);
187
188 return 0;
189}
190
191static device_t
192atkbdc_isa_add_child(device_t bus, int order, char *name, int unit)
193{
194 atkbdc_device_t *ivar;
195 device_t child;
196 int t;
197
198 ivar = malloc(sizeof(struct atkbdc_device), M_ATKBDDEV,
199 M_NOWAIT | M_ZERO);
200 if (!ivar)
201 return NULL;
202
203 child = device_add_child_ordered(bus, order, name, unit);
204 if (child == NULL) {
205 free(ivar, M_ATKBDDEV);
206 return child;
207 }
208
209 resource_list_init(&ivar->resources);
210 ivar->rid = order;
211
212 /*
213 * If the device is not created by the PnP BIOS or ACPI,
214 * refer to device hints for IRQ.
215 */
216 if (ISA_PNP_PROBE(device_get_parent(bus), bus, atkbdc_ids) != 0) {
217 if (resource_int_value(name, unit, "irq", &t) != 0)
218 t = -1;
219 } else {
220 t = bus_get_resource_start(bus, SYS_RES_IRQ, ivar->rid);
221 }
222 if (t > 0)
223 resource_list_add(&ivar->resources, SYS_RES_IRQ, ivar->rid,
224 t, t, 1);
225
226 if (resource_disabled(name, unit))
227 device_disable(child);
228
229 device_set_ivars(child, ivar);
230
231 return child;
232}
233
234DRIVER_MODULE(atkbdc, isa, atkbdc_isa_driver, atkbdc_devclass, 0, 0);
235DRIVER_MODULE(atkbdc, acpi, atkbdc_isa_driver, atkbdc_devclass, 0, 0);
| 161 device_verbose(dev);
162
163 error = atkbdc_probe_unit(device_get_unit(dev), port0, port1);
164 if (error == 0)
165 bus_generic_probe(dev);
166
167 bus_release_resource(dev, SYS_RES_IOPORT, 0, port0);
168 bus_release_resource(dev, SYS_RES_IOPORT, 1, port1);
169
170 return error;
171}
172
173static int
174atkbdc_isa_attach(device_t dev)
175{
176 atkbdc_softc_t *sc;
177 int unit;
178 int error;
179 int rid;
180
181 unit = device_get_unit(dev);
182 sc = *(atkbdc_softc_t **)device_get_softc(dev);
183 if (sc == NULL) {
184 /*
185 * We have to maintain two copies of the kbdc_softc struct,
186 * as the low-level console needs to have access to the
187 * keyboard controller before kbdc is probed and attached.
188 * kbdc_soft[] contains the default entry for that purpose.
189 * See atkbdc.c. XXX
190 */
191 sc = atkbdc_get_softc(unit);
192 if (sc == NULL)
193 return ENOMEM;
194 }
195
196 rid = 0;
197 sc->port0 = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,
198 RF_ACTIVE);
199 if (sc->port0 == NULL)
200 return ENXIO;
201 rid = 1;
202 sc->port1 = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,
203 RF_ACTIVE);
204 if (sc->port1 == NULL) {
205 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->port0);
206 return ENXIO;
207 }
208
209 error = atkbdc_attach_unit(unit, sc, sc->port0, sc->port1);
210 if (error) {
211 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->port0);
212 bus_release_resource(dev, SYS_RES_IOPORT, 1, sc->port1);
213 return error;
214 }
215 *(atkbdc_softc_t **)device_get_softc(dev) = sc;
216
217 bus_generic_attach(dev);
218
219 return 0;
220}
221
222static device_t
223atkbdc_isa_add_child(device_t bus, int order, char *name, int unit)
224{
225 atkbdc_device_t *ivar;
226 device_t child;
227 int t;
228
229 ivar = malloc(sizeof(struct atkbdc_device), M_ATKBDDEV,
230 M_NOWAIT | M_ZERO);
231 if (!ivar)
232 return NULL;
233
234 child = device_add_child_ordered(bus, order, name, unit);
235 if (child == NULL) {
236 free(ivar, M_ATKBDDEV);
237 return child;
238 }
239
240 resource_list_init(&ivar->resources);
241 ivar->rid = order;
242
243 /*
244 * If the device is not created by the PnP BIOS or ACPI,
245 * refer to device hints for IRQ.
246 */
247 if (ISA_PNP_PROBE(device_get_parent(bus), bus, atkbdc_ids) != 0) {
248 if (resource_int_value(name, unit, "irq", &t) != 0)
249 t = -1;
250 } else {
251 t = bus_get_resource_start(bus, SYS_RES_IRQ, ivar->rid);
252 }
253 if (t > 0)
254 resource_list_add(&ivar->resources, SYS_RES_IRQ, ivar->rid,
255 t, t, 1);
256
257 if (resource_disabled(name, unit))
258 device_disable(child);
259
260 device_set_ivars(child, ivar);
261
262 return child;
263}
264
265DRIVER_MODULE(atkbdc, isa, atkbdc_isa_driver, atkbdc_devclass, 0, 0);
266DRIVER_MODULE(atkbdc, acpi, atkbdc_isa_driver, atkbdc_devclass, 0, 0);
|