1 /*- 2 * Copyright (c) 2001 Mitsuru IWASAKI 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 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include <sys/param.h> 31 #include <sys/bus.h> 32 #include <sys/kernel.h> 33 #include <sys/module.h> 34 #include <sys/sysctl.h> 35 36 #include <contrib/dev/acpica/include/acpi.h> 37 38 #include <dev/acpica/acpivar.h> 39 40 #include <machine/nexusvar.h> 41 42 SYSCTL_DECL(_debug_acpi); 43 44 int acpi_resume_beep; 45 TUNABLE_INT("debug.acpi.resume_beep", &acpi_resume_beep); 46 SYSCTL_INT(_debug_acpi, OID_AUTO, resume_beep, CTLFLAG_RW, &acpi_resume_beep, 47 0, "Beep the PC speaker when resuming"); 48 49 int acpi_reset_video; 50 TUNABLE_INT("hw.acpi.reset_video", &acpi_reset_video); 51 52 static int intr_model = ACPI_INTR_PIC; 53 static struct apm_clone_data acpi_clone; 54 55 int 56 acpi_machdep_init(device_t dev) 57 { 58 struct acpi_softc *sc; 59 60 sc = devclass_get_softc(devclass_find("acpi"), 0); 61 62 /* Create a fake clone for /dev/acpi. */ 63 STAILQ_INIT(&sc->apm_cdevs); 64 acpi_clone.cdev = sc->acpi_dev_t; 65 acpi_clone.acpi_sc = sc; 66 ACPI_LOCK(acpi); 67 STAILQ_INSERT_TAIL(&sc->apm_cdevs, &acpi_clone, entries); 68 ACPI_UNLOCK(acpi); 69 sc->acpi_clone = &acpi_clone; 70 acpi_install_wakeup_handler(sc); 71 72 if (intr_model != ACPI_INTR_PIC) 73 acpi_SetIntrModel(intr_model); 74 75 SYSCTL_ADD_UINT(&sc->acpi_sysctl_ctx, 76 SYSCTL_CHILDREN(sc->acpi_sysctl_tree), OID_AUTO, 77 "reset_video", CTLFLAG_RW, &acpi_reset_video, 0, 78 "Call the VESA reset BIOS vector on the resume path"); 79 80 return (0); 81 } 82 83 void 84 acpi_SetDefaultIntrModel(int model) 85 { 86 87 intr_model = model; 88 } 89 90 int 91 acpi_machdep_quirks(int *quirks) 92 { 93 return (0); 94 } 95 96 void 97 acpi_cpu_c1() 98 { 99 __asm __volatile("sti; hlt"); 100 } 101 102 /* 103 * ACPI nexus(4) driver. 104 */ 105 static int 106 nexus_acpi_probe(device_t dev) 107 { 108 int error; 109 110 error = acpi_identify(); 111 if (error) 112 return (error); 113 114 return (BUS_PROBE_DEFAULT); 115 } 116 117 static int 118 nexus_acpi_attach(device_t dev) 119 { 120 121 nexus_init_resources(); 122 bus_generic_probe(dev); 123 if (BUS_ADD_CHILD(dev, 10, "acpi", 0) == NULL) 124 panic("failed to add acpi0 device"); 125 126 return (bus_generic_attach(dev)); 127 } 128 129 static device_method_t nexus_acpi_methods[] = { 130 /* Device interface */ 131 DEVMETHOD(device_probe, nexus_acpi_probe), 132 DEVMETHOD(device_attach, nexus_acpi_attach), 133 134 { 0, 0 } 135 }; 136 137 DEFINE_CLASS_1(nexus, nexus_acpi_driver, nexus_acpi_methods, 1, nexus_driver); 138 static devclass_t nexus_devclass; 139 140 DRIVER_MODULE(nexus_acpi, root, nexus_acpi_driver, nexus_devclass, 0, 0); 141