1 /*- 2 * Copyright (c) 1999 Takanori Watanabe <takawata@jp.freebsd.org> 3 * Copyright (c) 1999 Mitsuru IWASAKI <iwasaki@FreeBSD.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 */ 29 30 #ifndef _ACPIIO_H_ 31 #define _ACPIIO_H_ 32 33 /* 34 * Core ACPI subsystem ioctls 35 */ 36 #define ACPIIO_SETSLPSTATE _IOW('P', 3, int) /* DEPRECATED */ 37 38 /* Request S1-5 sleep state. User is notified and then sleep proceeds. */ 39 #define ACPIIO_REQSLPSTATE _IOW('P', 4, int) 40 41 /* Allow suspend to continue (0) or abort it (errno). */ 42 #define ACPIIO_ACKSLPSTATE _IOW('P', 5, int) 43 44 struct acpi_battinfo { 45 int cap; /* percent */ 46 int min; /* remaining time (in minutes) */ 47 int state; /* battery state */ 48 int rate; /* emptying rate */ 49 }; 50 51 #define ACPI_CMBAT_MAXSTRLEN 32 52 struct acpi_bif { 53 uint32_t units; /* Units (mW or mA). */ 54 #define ACPI_BIF_UNITS_MW 0 /* Capacity in mWh, rate in mW. */ 55 #define ACPI_BIF_UNITS_MA 1 /* Capacity in mAh, rate in mA. */ 56 uint32_t dcap; /* Design Capacity */ 57 uint32_t lfcap; /* Last Full capacity */ 58 uint32_t btech; /* Battery Technology */ 59 uint32_t dvol; /* Design voltage (mV) */ 60 uint32_t wcap; /* WARN capacity */ 61 uint32_t lcap; /* Low capacity */ 62 uint32_t gra1; /* Granularity 1 (Warn to Low) */ 63 uint32_t gra2; /* Granularity 2 (Full to Warn) */ 64 char model[ACPI_CMBAT_MAXSTRLEN]; /* model identifier */ 65 char serial[ACPI_CMBAT_MAXSTRLEN]; /* Serial number */ 66 char type[ACPI_CMBAT_MAXSTRLEN]; /* Type */ 67 char oeminfo[ACPI_CMBAT_MAXSTRLEN]; /* OEM information */ 68 }; 69 70 struct acpi_bst { 71 uint32_t state; /* Battery State */ 72 uint32_t rate; /* Present Rate */ 73 uint32_t cap; /* Remaining Capacity */ 74 uint32_t volt; /* Present Voltage */ 75 }; 76 77 /* 78 * Note that the following definitions represent status bits for internal 79 * driver state. The first three of them (charging, discharging and critical) 80 * conveninetly conform to ACPI specification of status returned by _BST 81 * method. Other definitions (not present, etc) are synthetic. 82 * Also note that according to the specification the charging and discharging 83 * status bits must not be set at the same time. 84 */ 85 #define ACPI_BATT_STAT_DISCHARG 0x0001 86 #define ACPI_BATT_STAT_CHARGING 0x0002 87 #define ACPI_BATT_STAT_CRITICAL 0x0004 88 #define ACPI_BATT_STAT_INVALID \ 89 (ACPI_BATT_STAT_DISCHARG | ACPI_BATT_STAT_CHARGING) 90 #define ACPI_BATT_STAT_BST_MASK \ 91 (ACPI_BATT_STAT_INVALID | ACPI_BATT_STAT_CRITICAL) 92 #define ACPI_BATT_STAT_NOT_PRESENT ACPI_BATT_STAT_BST_MASK 93 94 union acpi_battery_ioctl_arg { 95 int unit; /* Device unit or ACPI_BATTERY_ALL_UNITS. */ 96 97 struct acpi_battinfo battinfo; 98 99 struct acpi_bif bif; 100 struct acpi_bst bst; 101 }; 102 103 #define ACPI_BATTERY_ALL_UNITS (-1) 104 #define ACPI_BATT_UNKNOWN 0xffffffff /* _BST or _BIF value unknown. */ 105 106 /* Common battery ioctls */ 107 #define ACPIIO_BATT_GET_UNITS _IOR('B', 0x01, int) 108 #define ACPIIO_BATT_GET_BATTINFO _IOWR('B', 0x03, union acpi_battery_ioctl_arg) 109 #define ACPIIO_BATT_GET_BIF _IOWR('B', 0x10, union acpi_battery_ioctl_arg) 110 #define ACPIIO_BATT_GET_BST _IOWR('B', 0x11, union acpi_battery_ioctl_arg) 111 112 /* Control Method battery ioctls (deprecated) */ 113 #define ACPIIO_CMBAT_GET_BIF ACPIIO_BATT_GET_BIF 114 #define ACPIIO_CMBAT_GET_BST ACPIIO_BATT_GET_BST 115 116 /* Get AC adapter status. */ 117 #define ACPIIO_ACAD_GET_STATUS _IOR('A', 1, int) 118 119 #ifdef _KERNEL 120 typedef int (*acpi_ioctl_fn)(u_long cmd, caddr_t addr, void *arg); 121 extern int acpi_register_ioctl(u_long cmd, acpi_ioctl_fn fn, void *arg); 122 extern void acpi_deregister_ioctl(u_long cmd, acpi_ioctl_fn fn); 123 #endif 124 125 #endif /* !_ACPIIO_H_ */ 126