| atkbdc_isa.c (147271) | atkbdc_isa.c (158041) |
|---|---|
| 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 --- 11 unchanged lines hidden (view full) --- 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 --- 11 unchanged lines hidden (view full) --- 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> --- 51 unchanged lines hidden (view full) --- 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> --- 51 unchanged lines hidden (view full) --- 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 |
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| 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 /* --- 18 unchanged lines hidden (view full) --- 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 /* --- 18 unchanged lines hidden (view full) --- 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 |
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| 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); --- 98 unchanged lines hidden --- | 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); --- 98 unchanged lines hidden --- |