1 /*- 2 * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@jp.freebsd.org> 3 * Copyright (c) 2000 Michael Smith <msmith@freebsd.org> 4 * Copyright (c) 2000 BSDi 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the 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 20 * FOR 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 * $FreeBSD$ 29 */ 30 31 #include "bus_if.h" 32 #include <sys/eventhandler.h> 33 #include <sys/sysctl.h> 34 #if __FreeBSD_version >= 500000 35 #include <sys/lock.h> 36 #include <sys/mutex.h> 37 #endif 38 39 #include <machine/bus.h> 40 #include <machine/resource.h> 41 42 #if __FreeBSD_version < 500000 43 typedef vm_offset_t vm_paddr_t; 44 #endif 45 46 struct acpi_softc { 47 device_t acpi_dev; 48 dev_t acpi_dev_t; 49 50 struct resource *acpi_irq; 51 int acpi_irq_rid; 52 void *acpi_irq_handle; 53 54 int acpi_enabled; 55 int acpi_sstate; 56 int acpi_sleep_disabled; 57 58 struct sysctl_ctx_list acpi_sysctl_ctx; 59 struct sysctl_oid *acpi_sysctl_tree; 60 #define ACPI_POWER_BUTTON_DEFAULT_SX ACPI_STATE_S5; 61 #define ACPI_SLEEP_BUTTON_DEFAULT_SX ACPI_STATE_S1; 62 #define ACPI_LID_SWITCH_DEFAULT_SX ACPI_STATE_S1; 63 int acpi_power_button_sx; 64 int acpi_sleep_button_sx; 65 int acpi_lid_switch_sx; 66 67 int acpi_standby_sx; 68 int acpi_suspend_sx; 69 70 int acpi_sleep_delay; 71 int acpi_s4bios; 72 int acpi_disable_on_poweroff; 73 74 int acpi_verbose; 75 76 bus_dma_tag_t acpi_waketag; 77 bus_dmamap_t acpi_wakemap; 78 vm_offset_t acpi_wakeaddr; 79 vm_paddr_t acpi_wakephys; 80 81 struct sysctl_ctx_list acpi_battery_sysctl_ctx; 82 struct sysctl_oid *acpi_battery_sysctl_tree; 83 }; 84 85 struct acpi_device { 86 /* ACPI ivars */ 87 ACPI_HANDLE ad_handle; 88 int ad_magic; 89 void *ad_private; 90 91 /* resources */ 92 struct resource_list ad_rl; 93 94 }; 95 96 #if __FreeBSD_version < 500000 97 /* 98 * In 4.x, ACPI is protected by splhigh(). 99 */ 100 # define ACPI_LOCK s = splhigh() 101 # define ACPI_UNLOCK splx(s) 102 # define ACPI_ASSERTLOCK 103 # define ACPI_MSLEEP(a, b, c, d, e) tsleep(a, c, d, e) 104 # define ACPI_LOCK_DECL int s 105 # define kthread_create(a, b, c, d, e, f) kthread_create(a, b, c, f) 106 # define tc_init(a) init_timecounter(a) 107 #else 108 # define ACPI_LOCK 109 # define ACPI_UNLOCK 110 # define ACPI_ASSERTLOCK 111 # define ACPI_LOCK_DECL 112 #endif 113 114 /* 115 * ACPI CA does not define layers for non-ACPI CA drivers. 116 * We define some here within the range provided. 117 */ 118 #define ACPI_BUS 0x00010000 119 #define ACPI_SYSTEM 0x00020000 120 #define ACPI_POWER 0x00040000 121 #define ACPI_EC 0x00080000 122 #define ACPI_AC_ADAPTER 0x00100000 123 #define ACPI_BATTERY 0x00110000 124 #define ACPI_BUTTON 0x00120000 125 #define ACPI_PROCESSOR 0x00140000 126 #define ACPI_THERMAL 0x00180000 127 #define ACPI_FAN 0x00200000 128 129 /* 130 * Constants for different interrupt models used with acpi_SetIntrModel(). 131 */ 132 #define ACPI_INTR_PIC 0 133 #define ACPI_INTR_APIC 1 134 #define ACPI_INTR_SAPIC 2 135 136 /* 137 * Note that the low ivar values are reserved to provide 138 * interface compatibility with ISA drivers which can also 139 * attach to ACPI. 140 */ 141 #define ACPI_IVAR_HANDLE 0x100 142 #define ACPI_IVAR_MAGIC 0x101 143 #define ACPI_IVAR_PRIVATE 0x102 144 145 extern ACPI_HANDLE acpi_get_handle(device_t dev); 146 extern int acpi_set_handle(device_t dev, ACPI_HANDLE h); 147 extern int acpi_get_magic(device_t dev); 148 extern int acpi_set_magic(device_t dev, int m); 149 extern void * acpi_get_private(device_t dev); 150 extern int acpi_set_private(device_t dev, void *p); 151 extern ACPI_OBJECT_TYPE acpi_get_type(device_t dev); 152 153 #ifdef ACPI_DEBUGGER 154 extern void acpi_EnterDebugger(void); 155 #endif 156 157 #ifdef ACPI_DEBUG 158 #include <sys/cons.h> 159 #define STEP(x) do {printf x, printf("\n"); cngetc();} while (0) 160 #else 161 #define STEP(x) 162 #endif 163 164 #define ACPI_VPRINT(dev, acpi_sc, x...) do { \ 165 if (acpi_get_verbose(acpi_sc)) \ 166 device_printf(dev, x); \ 167 } while (0) 168 169 #define ACPI_DEVINFO_PRESENT(x) (((x) & 0x9) == 9) 170 extern BOOLEAN acpi_DeviceIsPresent(device_t dev); 171 extern BOOLEAN acpi_BatteryIsPresent(device_t dev); 172 extern BOOLEAN acpi_MatchHid(device_t dev, char *hid); 173 extern ACPI_STATUS acpi_GetHandleInScope(ACPI_HANDLE parent, char *path, 174 ACPI_HANDLE *result); 175 extern ACPI_BUFFER *acpi_AllocBuffer(int size); 176 extern ACPI_STATUS acpi_EvaluateInteger(ACPI_HANDLE handle, char *path, 177 int *number); 178 extern ACPI_STATUS acpi_ConvertBufferToInteger(ACPI_BUFFER *bufp, 179 int *number); 180 extern ACPI_STATUS acpi_ForeachPackageObject(ACPI_OBJECT *obj, 181 void (*func)(ACPI_OBJECT *comp, void *arg), 182 void *arg); 183 extern ACPI_STATUS acpi_FindIndexedResource(ACPI_BUFFER *buf, int index, 184 ACPI_RESOURCE **resp); 185 extern ACPI_STATUS acpi_AppendBufferResource(ACPI_BUFFER *buf, 186 ACPI_RESOURCE *res); 187 extern ACPI_STATUS acpi_SetIntrModel(int model); 188 extern ACPI_STATUS acpi_SetSleepState(struct acpi_softc *sc, int state); 189 extern ACPI_STATUS acpi_Enable(struct acpi_softc *sc); 190 extern ACPI_STATUS acpi_Disable(struct acpi_softc *sc); 191 192 struct acpi_parse_resource_set { 193 void (*set_init)(device_t dev, void **context); 194 void (*set_done)(device_t dev, void *context); 195 void (*set_ioport)(device_t dev, void *context, u_int32_t base, 196 u_int32_t length); 197 void (*set_iorange)(device_t dev, void *context, 198 u_int32_t low, u_int32_t high, 199 u_int32_t length, u_int32_t align); 200 void (*set_memory)(device_t dev, void *context, u_int32_t base, 201 u_int32_t length); 202 void (*set_memoryrange)(device_t dev, void *context, u_int32_t low, 203 u_int32_t high, u_int32_t length, 204 u_int32_t align); 205 void (*set_irq)(device_t dev, void *context, u_int32_t *irq, 206 int count, int trig, int pol); 207 void (*set_drq)(device_t dev, void *context, u_int32_t *drq, 208 int count); 209 void (*set_start_dependant)(device_t dev, void *context, 210 int preference); 211 void (*set_end_dependant)(device_t dev, void *context); 212 }; 213 214 extern struct acpi_parse_resource_set acpi_res_parse_set; 215 extern ACPI_STATUS acpi_parse_resources(device_t dev, ACPI_HANDLE handle, 216 struct acpi_parse_resource_set *set); 217 /* XXX until Intel fix this in their headers, based on NEXT_RESOURCE */ 218 #define ACPI_RESOURCE_NEXT(Res) (ACPI_RESOURCE *)((UINT8 *)Res + Res->Length) 219 220 /* ACPI event handling */ 221 extern UINT32 acpi_eventhandler_power_button_for_sleep(void *context); 222 extern UINT32 acpi_eventhandler_power_button_for_wakeup(void *context); 223 extern UINT32 acpi_eventhandler_sleep_button_for_sleep(void *context); 224 extern UINT32 acpi_eventhandler_sleep_button_for_wakeup(void *context); 225 226 #define ACPI_EVENT_PRI_FIRST 0 227 #define ACPI_EVENT_PRI_DEFAULT 10000 228 #define ACPI_EVENT_PRI_LAST 20000 229 230 typedef void (*acpi_event_handler_t)(void *, int); 231 232 EVENTHANDLER_DECLARE(acpi_sleep_event, acpi_event_handler_t); 233 EVENTHANDLER_DECLARE(acpi_wakeup_event, acpi_event_handler_t); 234 235 /* Device power control. */ 236 extern ACPI_STATUS acpi_pwr_switch_consumer(ACPI_HANDLE consumer, 237 int state); 238 239 /* Misc. */ 240 static __inline struct acpi_softc * 241 acpi_device_get_parent_softc(device_t child) 242 { 243 device_t parent; 244 245 parent = device_get_parent(child); 246 if (parent == NULL) 247 return (NULL); 248 return (device_get_softc(parent)); 249 } 250 251 static __inline int 252 acpi_get_verbose(struct acpi_softc *sc) 253 { 254 if (sc) 255 return (sc->acpi_verbose); 256 return (0); 257 } 258 259 extern char *acpi_name(ACPI_HANDLE handle); 260 extern int acpi_avoid(ACPI_HANDLE handle); 261 extern int acpi_disabled(char *subsys); 262 extern void acpi_device_enable_wake_capability(ACPI_HANDLE h, int enable); 263 extern void acpi_device_enable_wake_event(ACPI_HANDLE h); 264 extern int acpi_machdep_init(device_t dev); 265 extern void acpi_install_wakeup_handler(struct acpi_softc *sc); 266 extern int acpi_sleep_machdep(struct acpi_softc *sc, int state); 267 268 /* Battery Abstraction. */ 269 struct acpi_battinfo; 270 struct acpi_battdesc; 271 272 extern int acpi_battery_register(int, int); 273 extern int acpi_battery_get_battinfo(int, struct acpi_battinfo *); 274 extern int acpi_battery_get_units(void); 275 extern int acpi_battery_get_info_expire(void); 276 extern int acpi_battery_get_battdesc(int, struct acpi_battdesc *); 277 278 extern int acpi_cmbat_get_battinfo(int, struct acpi_battinfo *); 279 280 /* Embedded controller. */ 281 extern void acpi_ec_ecdt_probe(device_t); 282 283 /* AC adapter interface. */ 284 extern int acpi_acad_get_acline(int *); 285 286 #if __FreeBSD_version >= 500000 287 #ifndef ACPI_MAX_THREADS 288 #define ACPI_MAX_THREADS 3 289 #endif 290 #if ACPI_MAX_THREADS > 0 291 #define ACPI_USE_THREADS 292 #endif 293 #endif 294 295 #ifdef ACPI_USE_THREADS 296 /* ACPI task kernel thread initialization. */ 297 extern int acpi_task_thread_init(void); 298 #endif 299