Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1 | /* |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 2 | * sbs.c - ACPI Smart Battery System Driver ($Revision: 2.0 $) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 3 | * |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 4 | * Copyright (c) 2007 Alexey Starikovskiy <astarikovskiy@suse.de> |
| 5 | * Copyright (c) 2005-2007 Vladimir Lebedev <vladimir.p.lebedev@intel.com> |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 6 | * Copyright (c) 2005 Rich Townsend <rhdt@bartol.udel.edu> |
| 7 | * |
| 8 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License as published by |
| 12 | * the Free Software Foundation; either version 2 of the License, or (at |
| 13 | * your option) any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, but |
| 16 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 18 | * General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License along |
| 21 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 22 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. |
| 23 | * |
| 24 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 25 | */ |
| 26 | |
| 27 | #include <linux/init.h> |
| 28 | #include <linux/module.h> |
| 29 | #include <linux/moduleparam.h> |
| 30 | #include <linux/kernel.h> |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 31 | |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 32 | #ifdef CONFIG_ACPI_PROCFS_POWER |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 33 | #include <linux/proc_fs.h> |
| 34 | #include <linux/seq_file.h> |
| 35 | #include <asm/uaccess.h> |
Alexey Starikovskiy | 66e4b72 | 2007-09-26 19:43:54 +0400 | [diff] [blame] | 36 | #endif |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 37 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 38 | #include <linux/acpi.h> |
Vladimir Lebedev | 6d15702 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 39 | #include <linux/timer.h> |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 40 | #include <linux/jiffies.h> |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 41 | #include <linux/delay.h> |
| 42 | |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 43 | #ifdef CONFIG_ACPI_SYSFS_POWER |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 44 | #include <linux/power_supply.h> |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 45 | #endif |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 46 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame] | 47 | #include "sbshc.h" |
| 48 | |
Len Brown | a192a95 | 2009-07-28 16:45:54 -0400 | [diff] [blame] | 49 | #define PREFIX "ACPI: " |
| 50 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 51 | #define ACPI_SBS_CLASS "sbs" |
| 52 | #define ACPI_AC_CLASS "ac_adapter" |
| 53 | #define ACPI_BATTERY_CLASS "battery" |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 54 | #define ACPI_SBS_DEVICE_NAME "Smart Battery System" |
| 55 | #define ACPI_SBS_FILE_INFO "info" |
| 56 | #define ACPI_SBS_FILE_STATE "state" |
| 57 | #define ACPI_SBS_FILE_ALARM "alarm" |
| 58 | #define ACPI_BATTERY_DIR_NAME "BAT%i" |
| 59 | #define ACPI_AC_DIR_NAME "AC0" |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 60 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 61 | #define ACPI_SBS_NOTIFY_STATUS 0x80 |
| 62 | #define ACPI_SBS_NOTIFY_INFO 0x81 |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 63 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 64 | MODULE_AUTHOR("Alexey Starikovskiy <astarikovskiy@suse.de>"); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 65 | MODULE_DESCRIPTION("Smart Battery System ACPI interface driver"); |
| 66 | MODULE_LICENSE("GPL"); |
| 67 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 68 | static unsigned int cache_time = 1000; |
| 69 | module_param(cache_time, uint, 0644); |
| 70 | MODULE_PARM_DESC(cache_time, "cache time in milliseconds"); |
Vladimir Lebedev | 6d15702 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 71 | |
| 72 | extern struct proc_dir_entry *acpi_lock_ac_dir(void); |
| 73 | extern struct proc_dir_entry *acpi_lock_battery_dir(void); |
| 74 | extern void acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir); |
| 75 | extern void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir); |
| 76 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 77 | #define MAX_SBS_BAT 4 |
Vladimir Lebedev | 6d15702 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 78 | #define ACPI_SBS_BLOCK_MAX 32 |
| 79 | |
Thomas Renninger | 1ba90e3 | 2007-07-23 14:44:41 +0200 | [diff] [blame] | 80 | static const struct acpi_device_id sbs_device_ids[] = { |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame] | 81 | {"ACPI0002", 0}, |
Thomas Renninger | 1ba90e3 | 2007-07-23 14:44:41 +0200 | [diff] [blame] | 82 | {"", 0}, |
| 83 | }; |
| 84 | MODULE_DEVICE_TABLE(acpi, sbs_device_ids); |
| 85 | |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 86 | struct acpi_battery { |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 87 | #ifdef CONFIG_ACPI_SYSFS_POWER |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 88 | struct power_supply bat; |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 89 | #endif |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 90 | struct acpi_sbs *sbs; |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 91 | #ifdef CONFIG_ACPI_PROCFS_POWER |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 92 | struct proc_dir_entry *proc_entry; |
Alexey Starikovskiy | 66e4b72 | 2007-09-26 19:43:54 +0400 | [diff] [blame] | 93 | #endif |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 94 | unsigned long update_time; |
| 95 | char name[8]; |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 96 | char manufacturer_name[ACPI_SBS_BLOCK_MAX]; |
| 97 | char device_name[ACPI_SBS_BLOCK_MAX]; |
| 98 | char device_chemistry[ACPI_SBS_BLOCK_MAX]; |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 99 | u16 alarm_capacity; |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 100 | u16 full_charge_capacity; |
| 101 | u16 design_capacity; |
| 102 | u16 design_voltage; |
| 103 | u16 serial_number; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 104 | u16 cycle_count; |
| 105 | u16 temp_now; |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 106 | u16 voltage_now; |
Alexey Starikovskiy | 7faa144 | 2009-03-27 22:23:52 -0400 | [diff] [blame] | 107 | s16 rate_now; |
| 108 | s16 rate_avg; |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 109 | u16 capacity_now; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 110 | u16 state_of_charge; |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 111 | u16 state; |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 112 | u16 mode; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 113 | u16 spec; |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 114 | u8 id; |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 115 | u8 present:1; |
Jeff Garzik | 037cbc6 | 2007-11-18 00:32:31 +0300 | [diff] [blame] | 116 | u8 have_sysfs_alarm:1; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 117 | }; |
| 118 | |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 119 | #define to_acpi_battery(x) container_of(x, struct acpi_battery, bat); |
| 120 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 121 | struct acpi_sbs { |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 122 | #ifdef CONFIG_ACPI_SYSFS_POWER |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 123 | struct power_supply charger; |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 124 | #endif |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 125 | struct acpi_device *device; |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame] | 126 | struct acpi_smb_hc *hc; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 127 | struct mutex lock; |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 128 | #ifdef CONFIG_ACPI_PROCFS_POWER |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 129 | struct proc_dir_entry *charger_entry; |
Alexey Starikovskiy | 66e4b72 | 2007-09-26 19:43:54 +0400 | [diff] [blame] | 130 | #endif |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 131 | struct acpi_battery battery[MAX_SBS_BAT]; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 132 | u8 batteries_supported:4; |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 133 | u8 manager_present:1; |
| 134 | u8 charger_present:1; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 135 | }; |
| 136 | |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 137 | #define to_acpi_sbs(x) container_of(x, struct acpi_sbs, charger) |
| 138 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 139 | static inline int battery_scale(int log) |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 140 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 141 | int scale = 1; |
| 142 | while (log--) |
| 143 | scale *= 10; |
| 144 | return scale; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 145 | } |
| 146 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 147 | static inline int acpi_battery_vscale(struct acpi_battery *battery) |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 148 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 149 | return battery_scale((battery->spec & 0x0f00) >> 8); |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 150 | } |
| 151 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 152 | static inline int acpi_battery_ipscale(struct acpi_battery *battery) |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 153 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 154 | return battery_scale((battery->spec & 0xf000) >> 12); |
| 155 | } |
| 156 | |
| 157 | static inline int acpi_battery_mode(struct acpi_battery *battery) |
| 158 | { |
| 159 | return (battery->mode & 0x8000); |
| 160 | } |
| 161 | |
| 162 | static inline int acpi_battery_scale(struct acpi_battery *battery) |
| 163 | { |
| 164 | return (acpi_battery_mode(battery) ? 10 : 1) * |
| 165 | acpi_battery_ipscale(battery); |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 166 | } |
| 167 | |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 168 | #ifdef CONFIG_ACPI_SYSFS_POWER |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 169 | static int sbs_get_ac_property(struct power_supply *psy, |
| 170 | enum power_supply_property psp, |
| 171 | union power_supply_propval *val) |
| 172 | { |
| 173 | struct acpi_sbs *sbs = to_acpi_sbs(psy); |
| 174 | switch (psp) { |
| 175 | case POWER_SUPPLY_PROP_ONLINE: |
| 176 | val->intval = sbs->charger_present; |
| 177 | break; |
| 178 | default: |
| 179 | return -EINVAL; |
| 180 | } |
| 181 | return 0; |
| 182 | } |
| 183 | |
| 184 | static int acpi_battery_technology(struct acpi_battery *battery) |
| 185 | { |
| 186 | if (!strcasecmp("NiCd", battery->device_chemistry)) |
| 187 | return POWER_SUPPLY_TECHNOLOGY_NiCd; |
| 188 | if (!strcasecmp("NiMH", battery->device_chemistry)) |
| 189 | return POWER_SUPPLY_TECHNOLOGY_NiMH; |
| 190 | if (!strcasecmp("LION", battery->device_chemistry)) |
| 191 | return POWER_SUPPLY_TECHNOLOGY_LION; |
| 192 | if (!strcasecmp("LiP", battery->device_chemistry)) |
| 193 | return POWER_SUPPLY_TECHNOLOGY_LIPO; |
| 194 | return POWER_SUPPLY_TECHNOLOGY_UNKNOWN; |
| 195 | } |
| 196 | |
| 197 | static int acpi_sbs_battery_get_property(struct power_supply *psy, |
| 198 | enum power_supply_property psp, |
| 199 | union power_supply_propval *val) |
| 200 | { |
| 201 | struct acpi_battery *battery = to_acpi_battery(psy); |
| 202 | |
| 203 | if ((!battery->present) && psp != POWER_SUPPLY_PROP_PRESENT) |
| 204 | return -ENODEV; |
| 205 | switch (psp) { |
| 206 | case POWER_SUPPLY_PROP_STATUS: |
Alexey Starikovskiy | 7faa144 | 2009-03-27 22:23:52 -0400 | [diff] [blame] | 207 | if (battery->rate_now < 0) |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 208 | val->intval = POWER_SUPPLY_STATUS_DISCHARGING; |
Alexey Starikovskiy | 7faa144 | 2009-03-27 22:23:52 -0400 | [diff] [blame] | 209 | else if (battery->rate_now > 0) |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 210 | val->intval = POWER_SUPPLY_STATUS_CHARGING; |
| 211 | else |
| 212 | val->intval = POWER_SUPPLY_STATUS_FULL; |
| 213 | break; |
| 214 | case POWER_SUPPLY_PROP_PRESENT: |
| 215 | val->intval = battery->present; |
| 216 | break; |
| 217 | case POWER_SUPPLY_PROP_TECHNOLOGY: |
| 218 | val->intval = acpi_battery_technology(battery); |
| 219 | break; |
Alexey Starikovskiy | 1669885 | 2009-10-15 14:31:37 +0400 | [diff] [blame] | 220 | case POWER_SUPPLY_PROP_CYCLE_COUNT: |
| 221 | val->intval = battery->cycle_count; |
| 222 | break; |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 223 | case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: |
| 224 | val->intval = battery->design_voltage * |
| 225 | acpi_battery_vscale(battery) * 1000; |
| 226 | break; |
| 227 | case POWER_SUPPLY_PROP_VOLTAGE_NOW: |
| 228 | val->intval = battery->voltage_now * |
| 229 | acpi_battery_vscale(battery) * 1000; |
| 230 | break; |
| 231 | case POWER_SUPPLY_PROP_CURRENT_NOW: |
Alexey Starikovskiy | 7faa144 | 2009-03-27 22:23:52 -0400 | [diff] [blame] | 232 | case POWER_SUPPLY_PROP_POWER_NOW: |
| 233 | val->intval = abs(battery->rate_now) * |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 234 | acpi_battery_ipscale(battery) * 1000; |
| 235 | break; |
| 236 | case POWER_SUPPLY_PROP_CURRENT_AVG: |
Alexey Starikovskiy | 7faa144 | 2009-03-27 22:23:52 -0400 | [diff] [blame] | 237 | case POWER_SUPPLY_PROP_POWER_AVG: |
| 238 | val->intval = abs(battery->rate_avg) * |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 239 | acpi_battery_ipscale(battery) * 1000; |
| 240 | break; |
| 241 | case POWER_SUPPLY_PROP_CAPACITY: |
| 242 | val->intval = battery->state_of_charge; |
| 243 | break; |
| 244 | case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN: |
| 245 | case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN: |
| 246 | val->intval = battery->design_capacity * |
| 247 | acpi_battery_scale(battery) * 1000; |
| 248 | break; |
| 249 | case POWER_SUPPLY_PROP_CHARGE_FULL: |
| 250 | case POWER_SUPPLY_PROP_ENERGY_FULL: |
| 251 | val->intval = battery->full_charge_capacity * |
| 252 | acpi_battery_scale(battery) * 1000; |
| 253 | break; |
| 254 | case POWER_SUPPLY_PROP_CHARGE_NOW: |
| 255 | case POWER_SUPPLY_PROP_ENERGY_NOW: |
| 256 | val->intval = battery->capacity_now * |
| 257 | acpi_battery_scale(battery) * 1000; |
| 258 | break; |
| 259 | case POWER_SUPPLY_PROP_TEMP: |
| 260 | val->intval = battery->temp_now - 2730; // dK -> dC |
| 261 | break; |
| 262 | case POWER_SUPPLY_PROP_MODEL_NAME: |
| 263 | val->strval = battery->device_name; |
| 264 | break; |
| 265 | case POWER_SUPPLY_PROP_MANUFACTURER: |
| 266 | val->strval = battery->manufacturer_name; |
| 267 | break; |
| 268 | default: |
| 269 | return -EINVAL; |
| 270 | } |
| 271 | return 0; |
| 272 | } |
| 273 | |
| 274 | static enum power_supply_property sbs_ac_props[] = { |
| 275 | POWER_SUPPLY_PROP_ONLINE, |
| 276 | }; |
| 277 | |
| 278 | static enum power_supply_property sbs_charge_battery_props[] = { |
| 279 | POWER_SUPPLY_PROP_STATUS, |
| 280 | POWER_SUPPLY_PROP_PRESENT, |
| 281 | POWER_SUPPLY_PROP_TECHNOLOGY, |
Alexey Starikovskiy | 1669885 | 2009-10-15 14:31:37 +0400 | [diff] [blame] | 282 | POWER_SUPPLY_PROP_CYCLE_COUNT, |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 283 | POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, |
| 284 | POWER_SUPPLY_PROP_VOLTAGE_NOW, |
| 285 | POWER_SUPPLY_PROP_CURRENT_NOW, |
| 286 | POWER_SUPPLY_PROP_CURRENT_AVG, |
| 287 | POWER_SUPPLY_PROP_CAPACITY, |
| 288 | POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, |
| 289 | POWER_SUPPLY_PROP_CHARGE_FULL, |
| 290 | POWER_SUPPLY_PROP_CHARGE_NOW, |
| 291 | POWER_SUPPLY_PROP_TEMP, |
| 292 | POWER_SUPPLY_PROP_MODEL_NAME, |
| 293 | POWER_SUPPLY_PROP_MANUFACTURER, |
| 294 | }; |
| 295 | |
| 296 | static enum power_supply_property sbs_energy_battery_props[] = { |
| 297 | POWER_SUPPLY_PROP_STATUS, |
| 298 | POWER_SUPPLY_PROP_PRESENT, |
| 299 | POWER_SUPPLY_PROP_TECHNOLOGY, |
| 300 | POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, |
| 301 | POWER_SUPPLY_PROP_VOLTAGE_NOW, |
| 302 | POWER_SUPPLY_PROP_CURRENT_NOW, |
| 303 | POWER_SUPPLY_PROP_CURRENT_AVG, |
Alexey Starikovskiy | 7faa144 | 2009-03-27 22:23:52 -0400 | [diff] [blame] | 304 | POWER_SUPPLY_PROP_POWER_NOW, |
| 305 | POWER_SUPPLY_PROP_POWER_AVG, |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 306 | POWER_SUPPLY_PROP_CAPACITY, |
| 307 | POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN, |
| 308 | POWER_SUPPLY_PROP_ENERGY_FULL, |
| 309 | POWER_SUPPLY_PROP_ENERGY_NOW, |
| 310 | POWER_SUPPLY_PROP_TEMP, |
| 311 | POWER_SUPPLY_PROP_MODEL_NAME, |
| 312 | POWER_SUPPLY_PROP_MANUFACTURER, |
| 313 | }; |
Alexey Starikovskiy | 7faa144 | 2009-03-27 22:23:52 -0400 | [diff] [blame] | 314 | |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 315 | #endif |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 316 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 317 | /* -------------------------------------------------------------------------- |
| 318 | Smart Battery System Management |
| 319 | -------------------------------------------------------------------------- */ |
| 320 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 321 | struct acpi_battery_reader { |
| 322 | u8 command; /* command for battery */ |
| 323 | u8 mode; /* word or block? */ |
| 324 | size_t offset; /* offset inside struct acpi_sbs_battery */ |
| 325 | }; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 326 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 327 | static struct acpi_battery_reader info_readers[] = { |
| 328 | {0x01, SMBUS_READ_WORD, offsetof(struct acpi_battery, alarm_capacity)}, |
| 329 | {0x03, SMBUS_READ_WORD, offsetof(struct acpi_battery, mode)}, |
| 330 | {0x10, SMBUS_READ_WORD, offsetof(struct acpi_battery, full_charge_capacity)}, |
| 331 | {0x17, SMBUS_READ_WORD, offsetof(struct acpi_battery, cycle_count)}, |
| 332 | {0x18, SMBUS_READ_WORD, offsetof(struct acpi_battery, design_capacity)}, |
| 333 | {0x19, SMBUS_READ_WORD, offsetof(struct acpi_battery, design_voltage)}, |
| 334 | {0x1a, SMBUS_READ_WORD, offsetof(struct acpi_battery, spec)}, |
| 335 | {0x1c, SMBUS_READ_WORD, offsetof(struct acpi_battery, serial_number)}, |
| 336 | {0x20, SMBUS_READ_BLOCK, offsetof(struct acpi_battery, manufacturer_name)}, |
| 337 | {0x21, SMBUS_READ_BLOCK, offsetof(struct acpi_battery, device_name)}, |
| 338 | {0x22, SMBUS_READ_BLOCK, offsetof(struct acpi_battery, device_chemistry)}, |
| 339 | }; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 340 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 341 | static struct acpi_battery_reader state_readers[] = { |
| 342 | {0x08, SMBUS_READ_WORD, offsetof(struct acpi_battery, temp_now)}, |
| 343 | {0x09, SMBUS_READ_WORD, offsetof(struct acpi_battery, voltage_now)}, |
Alexey Starikovskiy | 7faa144 | 2009-03-27 22:23:52 -0400 | [diff] [blame] | 344 | {0x0a, SMBUS_READ_WORD, offsetof(struct acpi_battery, rate_now)}, |
| 345 | {0x0b, SMBUS_READ_WORD, offsetof(struct acpi_battery, rate_avg)}, |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 346 | {0x0f, SMBUS_READ_WORD, offsetof(struct acpi_battery, capacity_now)}, |
| 347 | {0x0e, SMBUS_READ_WORD, offsetof(struct acpi_battery, state_of_charge)}, |
| 348 | {0x16, SMBUS_READ_WORD, offsetof(struct acpi_battery, state)}, |
| 349 | }; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 350 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 351 | static int acpi_manager_get_info(struct acpi_sbs *sbs) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 352 | { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 353 | int result = 0; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 354 | u16 battery_system_info; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 355 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 356 | result = acpi_smbus_read(sbs->hc, SMBUS_READ_WORD, ACPI_SBS_MANAGER, |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 357 | 0x04, (u8 *)&battery_system_info); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 358 | if (!result) |
| 359 | sbs->batteries_supported = battery_system_info & 0x000f; |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 360 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 361 | } |
| 362 | |
| 363 | static int acpi_battery_get_info(struct acpi_battery *battery) |
| 364 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 365 | int i, result = 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 366 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 367 | for (i = 0; i < ARRAY_SIZE(info_readers); ++i) { |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 368 | result = acpi_smbus_read(battery->sbs->hc, |
| 369 | info_readers[i].mode, |
| 370 | ACPI_SBS_BATTERY, |
| 371 | info_readers[i].command, |
| 372 | (u8 *) battery + |
| 373 | info_readers[i].offset); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 374 | if (result) |
| 375 | break; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 376 | } |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 377 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 378 | } |
| 379 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 380 | static int acpi_battery_get_state(struct acpi_battery *battery) |
| 381 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 382 | int i, result = 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 383 | |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 384 | if (battery->update_time && |
| 385 | time_before(jiffies, battery->update_time + |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 386 | msecs_to_jiffies(cache_time))) |
| 387 | return 0; |
| 388 | for (i = 0; i < ARRAY_SIZE(state_readers); ++i) { |
| 389 | result = acpi_smbus_read(battery->sbs->hc, |
| 390 | state_readers[i].mode, |
| 391 | ACPI_SBS_BATTERY, |
| 392 | state_readers[i].command, |
| 393 | (u8 *)battery + |
| 394 | state_readers[i].offset); |
| 395 | if (result) |
| 396 | goto end; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 397 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 398 | end: |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 399 | battery->update_time = jiffies; |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 400 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 401 | } |
| 402 | |
| 403 | static int acpi_battery_get_alarm(struct acpi_battery *battery) |
| 404 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 405 | return acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD, |
| 406 | ACPI_SBS_BATTERY, 0x01, |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 407 | (u8 *)&battery->alarm_capacity); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 408 | } |
| 409 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 410 | static int acpi_battery_set_alarm(struct acpi_battery *battery) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 411 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 412 | struct acpi_sbs *sbs = battery->sbs; |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 413 | u16 value, sel = 1 << (battery->id + 12); |
| 414 | |
| 415 | int ret; |
| 416 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 417 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 418 | if (sbs->manager_present) { |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 419 | ret = acpi_smbus_read(sbs->hc, SMBUS_READ_WORD, ACPI_SBS_MANAGER, |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 420 | 0x01, (u8 *)&value); |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 421 | if (ret) |
| 422 | goto end; |
| 423 | if ((value & 0xf000) != sel) { |
| 424 | value &= 0x0fff; |
| 425 | value |= sel; |
| 426 | ret = acpi_smbus_write(sbs->hc, SMBUS_WRITE_WORD, |
| 427 | ACPI_SBS_MANAGER, |
| 428 | 0x01, (u8 *)&value, 2); |
| 429 | if (ret) |
| 430 | goto end; |
| 431 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 432 | } |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 433 | ret = acpi_smbus_write(sbs->hc, SMBUS_WRITE_WORD, ACPI_SBS_BATTERY, |
| 434 | 0x01, (u8 *)&battery->alarm_capacity, 2); |
| 435 | end: |
| 436 | return ret; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 437 | } |
| 438 | |
| 439 | static int acpi_ac_get_present(struct acpi_sbs *sbs) |
| 440 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 441 | int result; |
| 442 | u16 status; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 443 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 444 | result = acpi_smbus_read(sbs->hc, SMBUS_READ_WORD, ACPI_SBS_CHARGER, |
| 445 | 0x13, (u8 *) & status); |
| 446 | if (!result) |
| 447 | sbs->charger_present = (status >> 15) & 0x1; |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 448 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 449 | } |
| 450 | |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 451 | #ifdef CONFIG_ACPI_SYSFS_POWER |
Alexey Starikovskiy | 8bd9553 | 2007-09-26 19:44:00 +0400 | [diff] [blame] | 452 | static ssize_t acpi_battery_alarm_show(struct device *dev, |
| 453 | struct device_attribute *attr, |
| 454 | char *buf) |
| 455 | { |
| 456 | struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev)); |
| 457 | acpi_battery_get_alarm(battery); |
| 458 | return sprintf(buf, "%d\n", battery->alarm_capacity * |
| 459 | acpi_battery_scale(battery) * 1000); |
| 460 | } |
| 461 | |
| 462 | static ssize_t acpi_battery_alarm_store(struct device *dev, |
| 463 | struct device_attribute *attr, |
| 464 | const char *buf, size_t count) |
| 465 | { |
| 466 | unsigned long x; |
| 467 | struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev)); |
| 468 | if (sscanf(buf, "%ld\n", &x) == 1) |
| 469 | battery->alarm_capacity = x / |
| 470 | (1000 * acpi_battery_scale(battery)); |
| 471 | if (battery->present) |
| 472 | acpi_battery_set_alarm(battery); |
| 473 | return count; |
| 474 | } |
| 475 | |
| 476 | static struct device_attribute alarm_attr = { |
Parag Warudkar | 01e8ef1 | 2008-10-18 20:28:50 -0700 | [diff] [blame] | 477 | .attr = {.name = "alarm", .mode = 0644}, |
Alexey Starikovskiy | 8bd9553 | 2007-09-26 19:44:00 +0400 | [diff] [blame] | 478 | .show = acpi_battery_alarm_show, |
| 479 | .store = acpi_battery_alarm_store, |
| 480 | }; |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 481 | #endif |
Alexey Starikovskiy | 8bd9553 | 2007-09-26 19:44:00 +0400 | [diff] [blame] | 482 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 483 | /* -------------------------------------------------------------------------- |
| 484 | FS Interface (/proc/acpi) |
| 485 | -------------------------------------------------------------------------- */ |
| 486 | |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 487 | #ifdef CONFIG_ACPI_PROCFS_POWER |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 488 | /* Generic Routines */ |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 489 | static int |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 490 | acpi_sbs_add_fs(struct proc_dir_entry **dir, |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 491 | struct proc_dir_entry *parent_dir, |
| 492 | char *dir_name, |
Jan Engelhardt | 070d8eb | 2009-01-12 00:07:55 +0100 | [diff] [blame] | 493 | const struct file_operations *info_fops, |
| 494 | const struct file_operations *state_fops, |
| 495 | const struct file_operations *alarm_fops, void *data) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 496 | { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 497 | if (!*dir) { |
| 498 | *dir = proc_mkdir(dir_name, parent_dir); |
| 499 | if (!*dir) { |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 500 | return -ENODEV; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 501 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 502 | } |
| 503 | |
| 504 | /* 'info' [R] */ |
Denis V. Lunev | cf7acfa | 2008-04-29 01:02:27 -0700 | [diff] [blame] | 505 | if (info_fops) |
| 506 | proc_create_data(ACPI_SBS_FILE_INFO, S_IRUGO, *dir, |
| 507 | info_fops, data); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 508 | |
| 509 | /* 'state' [R] */ |
Denis V. Lunev | cf7acfa | 2008-04-29 01:02:27 -0700 | [diff] [blame] | 510 | if (state_fops) |
| 511 | proc_create_data(ACPI_SBS_FILE_STATE, S_IRUGO, *dir, |
| 512 | state_fops, data); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 513 | |
| 514 | /* 'alarm' [R/W] */ |
Denis V. Lunev | cf7acfa | 2008-04-29 01:02:27 -0700 | [diff] [blame] | 515 | if (alarm_fops) |
| 516 | proc_create_data(ACPI_SBS_FILE_ALARM, S_IRUGO, *dir, |
| 517 | alarm_fops, data); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 518 | return 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 519 | } |
| 520 | |
| 521 | static void |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 522 | acpi_sbs_remove_fs(struct proc_dir_entry **dir, |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 523 | struct proc_dir_entry *parent_dir) |
| 524 | { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 525 | if (*dir) { |
| 526 | remove_proc_entry(ACPI_SBS_FILE_INFO, *dir); |
| 527 | remove_proc_entry(ACPI_SBS_FILE_STATE, *dir); |
| 528 | remove_proc_entry(ACPI_SBS_FILE_ALARM, *dir); |
| 529 | remove_proc_entry((*dir)->name, parent_dir); |
| 530 | *dir = NULL; |
| 531 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 532 | } |
| 533 | |
| 534 | /* Smart Battery Interface */ |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 535 | static struct proc_dir_entry *acpi_battery_dir = NULL; |
| 536 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 537 | static inline char *acpi_battery_units(struct acpi_battery *battery) |
| 538 | { |
Alexey Starikovskiy | 5a21e4f | 2007-12-08 13:02:46 +0300 | [diff] [blame] | 539 | return acpi_battery_mode(battery) ? " mW" : " mA"; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 540 | } |
| 541 | |
| 542 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 543 | static int acpi_battery_read_info(struct seq_file *seq, void *offset) |
| 544 | { |
Jan Engelhardt | 50dd096 | 2006-10-01 00:28:50 +0200 | [diff] [blame] | 545 | struct acpi_battery *battery = seq->private; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 546 | struct acpi_sbs *sbs = battery->sbs; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 547 | int result = 0; |
| 548 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 549 | mutex_lock(&sbs->lock); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 550 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 551 | seq_printf(seq, "present: %s\n", |
| 552 | (battery->present) ? "yes" : "no"); |
| 553 | if (!battery->present) |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 554 | goto end; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 555 | |
Alexey Starikovskiy | 5a21e4f | 2007-12-08 13:02:46 +0300 | [diff] [blame] | 556 | seq_printf(seq, "design capacity: %i%sh\n", |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 557 | battery->design_capacity * acpi_battery_scale(battery), |
| 558 | acpi_battery_units(battery)); |
Alexey Starikovskiy | 5a21e4f | 2007-12-08 13:02:46 +0300 | [diff] [blame] | 559 | seq_printf(seq, "last full capacity: %i%sh\n", |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 560 | battery->full_charge_capacity * acpi_battery_scale(battery), |
| 561 | acpi_battery_units(battery)); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 562 | seq_printf(seq, "battery technology: rechargeable\n"); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 563 | seq_printf(seq, "design voltage: %i mV\n", |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 564 | battery->design_voltage * acpi_battery_vscale(battery)); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 565 | seq_printf(seq, "design capacity warning: unknown\n"); |
| 566 | seq_printf(seq, "design capacity low: unknown\n"); |
Alexey Starikovskiy | 1669885 | 2009-10-15 14:31:37 +0400 | [diff] [blame] | 567 | seq_printf(seq, "cycle count: %i\n", battery->cycle_count); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 568 | seq_printf(seq, "capacity granularity 1: unknown\n"); |
| 569 | seq_printf(seq, "capacity granularity 2: unknown\n"); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 570 | seq_printf(seq, "model number: %s\n", battery->device_name); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 571 | seq_printf(seq, "serial number: %i\n", |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 572 | battery->serial_number); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 573 | seq_printf(seq, "battery type: %s\n", |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 574 | battery->device_chemistry); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 575 | seq_printf(seq, "OEM info: %s\n", |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 576 | battery->manufacturer_name); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 577 | end: |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 578 | mutex_unlock(&sbs->lock); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 579 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 580 | } |
| 581 | |
| 582 | static int acpi_battery_info_open_fs(struct inode *inode, struct file *file) |
| 583 | { |
| 584 | return single_open(file, acpi_battery_read_info, PDE(inode)->data); |
| 585 | } |
| 586 | |
| 587 | static int acpi_battery_read_state(struct seq_file *seq, void *offset) |
| 588 | { |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 589 | struct acpi_battery *battery = seq->private; |
| 590 | struct acpi_sbs *sbs = battery->sbs; |
Alexey Starikovskiy | 5a21e4f | 2007-12-08 13:02:46 +0300 | [diff] [blame] | 591 | int rate; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 592 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 593 | mutex_lock(&sbs->lock); |
| 594 | seq_printf(seq, "present: %s\n", |
| 595 | (battery->present) ? "yes" : "no"); |
| 596 | if (!battery->present) |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 597 | goto end; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 598 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 599 | acpi_battery_get_state(battery); |
| 600 | seq_printf(seq, "capacity state: %s\n", |
| 601 | (battery->state & 0x0010) ? "critical" : "ok"); |
| 602 | seq_printf(seq, "charging state: %s\n", |
Alexey Starikovskiy | 7faa144 | 2009-03-27 22:23:52 -0400 | [diff] [blame] | 603 | (battery->rate_now < 0) ? "discharging" : |
| 604 | ((battery->rate_now > 0) ? "charging" : "charged")); |
| 605 | rate = abs(battery->rate_now) * acpi_battery_ipscale(battery); |
Alexey Starikovskiy | 5a21e4f | 2007-12-08 13:02:46 +0300 | [diff] [blame] | 606 | rate *= (acpi_battery_mode(battery))?(battery->voltage_now * |
| 607 | acpi_battery_vscale(battery)/1000):1; |
| 608 | seq_printf(seq, "present rate: %d%s\n", rate, |
| 609 | acpi_battery_units(battery)); |
| 610 | seq_printf(seq, "remaining capacity: %i%sh\n", |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 611 | battery->capacity_now * acpi_battery_scale(battery), |
| 612 | acpi_battery_units(battery)); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 613 | seq_printf(seq, "present voltage: %i mV\n", |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 614 | battery->voltage_now * acpi_battery_vscale(battery)); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 615 | |
| 616 | end: |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 617 | mutex_unlock(&sbs->lock); |
Alexey Starikovskiy | 5a21e4f | 2007-12-08 13:02:46 +0300 | [diff] [blame] | 618 | return 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 619 | } |
| 620 | |
| 621 | static int acpi_battery_state_open_fs(struct inode *inode, struct file *file) |
| 622 | { |
| 623 | return single_open(file, acpi_battery_read_state, PDE(inode)->data); |
| 624 | } |
| 625 | |
| 626 | static int acpi_battery_read_alarm(struct seq_file *seq, void *offset) |
| 627 | { |
Jan Engelhardt | 50dd096 | 2006-10-01 00:28:50 +0200 | [diff] [blame] | 628 | struct acpi_battery *battery = seq->private; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 629 | struct acpi_sbs *sbs = battery->sbs; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 630 | int result = 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 631 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 632 | mutex_lock(&sbs->lock); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 633 | |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 634 | if (!battery->present) { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 635 | seq_printf(seq, "present: no\n"); |
| 636 | goto end; |
| 637 | } |
| 638 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 639 | acpi_battery_get_alarm(battery); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 640 | seq_printf(seq, "alarm: "); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 641 | if (battery->alarm_capacity) |
Alexey Starikovskiy | 5a21e4f | 2007-12-08 13:02:46 +0300 | [diff] [blame] | 642 | seq_printf(seq, "%i%sh\n", |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 643 | battery->alarm_capacity * |
| 644 | acpi_battery_scale(battery), |
| 645 | acpi_battery_units(battery)); |
| 646 | else |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 647 | seq_printf(seq, "disabled\n"); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 648 | end: |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 649 | mutex_unlock(&sbs->lock); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 650 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 651 | } |
| 652 | |
| 653 | static ssize_t |
| 654 | acpi_battery_write_alarm(struct file *file, const char __user * buffer, |
| 655 | size_t count, loff_t * ppos) |
| 656 | { |
Jan Engelhardt | 50dd096 | 2006-10-01 00:28:50 +0200 | [diff] [blame] | 657 | struct seq_file *seq = file->private_data; |
| 658 | struct acpi_battery *battery = seq->private; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 659 | struct acpi_sbs *sbs = battery->sbs; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 660 | char alarm_string[12] = { '\0' }; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 661 | int result = 0; |
| 662 | mutex_lock(&sbs->lock); |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 663 | if (!battery->present) { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 664 | result = -ENODEV; |
| 665 | goto end; |
| 666 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 667 | if (count > sizeof(alarm_string) - 1) { |
| 668 | result = -EINVAL; |
| 669 | goto end; |
| 670 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 671 | if (copy_from_user(alarm_string, buffer, count)) { |
| 672 | result = -EFAULT; |
| 673 | goto end; |
| 674 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 675 | alarm_string[count] = 0; |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 676 | battery->alarm_capacity = simple_strtoul(alarm_string, NULL, 0) / |
| 677 | acpi_battery_scale(battery); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 678 | acpi_battery_set_alarm(battery); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 679 | end: |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 680 | mutex_unlock(&sbs->lock); |
| 681 | if (result) |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 682 | return result; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 683 | return count; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 684 | } |
| 685 | |
| 686 | static int acpi_battery_alarm_open_fs(struct inode *inode, struct file *file) |
| 687 | { |
| 688 | return single_open(file, acpi_battery_read_alarm, PDE(inode)->data); |
| 689 | } |
| 690 | |
Jan Engelhardt | 070d8eb | 2009-01-12 00:07:55 +0100 | [diff] [blame] | 691 | static const struct file_operations acpi_battery_info_fops = { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 692 | .open = acpi_battery_info_open_fs, |
| 693 | .read = seq_read, |
| 694 | .llseek = seq_lseek, |
| 695 | .release = single_release, |
| 696 | .owner = THIS_MODULE, |
| 697 | }; |
| 698 | |
Jan Engelhardt | 070d8eb | 2009-01-12 00:07:55 +0100 | [diff] [blame] | 699 | static const struct file_operations acpi_battery_state_fops = { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 700 | .open = acpi_battery_state_open_fs, |
| 701 | .read = seq_read, |
| 702 | .llseek = seq_lseek, |
| 703 | .release = single_release, |
| 704 | .owner = THIS_MODULE, |
| 705 | }; |
| 706 | |
Jan Engelhardt | 070d8eb | 2009-01-12 00:07:55 +0100 | [diff] [blame] | 707 | static const struct file_operations acpi_battery_alarm_fops = { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 708 | .open = acpi_battery_alarm_open_fs, |
| 709 | .read = seq_read, |
| 710 | .write = acpi_battery_write_alarm, |
| 711 | .llseek = seq_lseek, |
| 712 | .release = single_release, |
| 713 | .owner = THIS_MODULE, |
| 714 | }; |
| 715 | |
| 716 | /* Legacy AC Adapter Interface */ |
| 717 | |
| 718 | static struct proc_dir_entry *acpi_ac_dir = NULL; |
| 719 | |
| 720 | static int acpi_ac_read_state(struct seq_file *seq, void *offset) |
| 721 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 722 | |
Jan Engelhardt | 50dd096 | 2006-10-01 00:28:50 +0200 | [diff] [blame] | 723 | struct acpi_sbs *sbs = seq->private; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 724 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 725 | mutex_lock(&sbs->lock); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 726 | |
| 727 | seq_printf(seq, "state: %s\n", |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 728 | sbs->charger_present ? "on-line" : "off-line"); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 729 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 730 | mutex_unlock(&sbs->lock); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 731 | return 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 732 | } |
| 733 | |
| 734 | static int acpi_ac_state_open_fs(struct inode *inode, struct file *file) |
| 735 | { |
| 736 | return single_open(file, acpi_ac_read_state, PDE(inode)->data); |
| 737 | } |
| 738 | |
Jan Engelhardt | 070d8eb | 2009-01-12 00:07:55 +0100 | [diff] [blame] | 739 | static const struct file_operations acpi_ac_state_fops = { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 740 | .open = acpi_ac_state_open_fs, |
| 741 | .read = seq_read, |
| 742 | .llseek = seq_lseek, |
| 743 | .release = single_release, |
| 744 | .owner = THIS_MODULE, |
| 745 | }; |
| 746 | |
Alexey Starikovskiy | 66e4b72 | 2007-09-26 19:43:54 +0400 | [diff] [blame] | 747 | #endif |
| 748 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 749 | /* -------------------------------------------------------------------------- |
| 750 | Driver Interface |
| 751 | -------------------------------------------------------------------------- */ |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 752 | static int acpi_battery_read(struct acpi_battery *battery) |
| 753 | { |
| 754 | int result = 0, saved_present = battery->present; |
| 755 | u16 state; |
| 756 | |
| 757 | if (battery->sbs->manager_present) { |
| 758 | result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD, |
| 759 | ACPI_SBS_MANAGER, 0x01, (u8 *)&state); |
| 760 | if (!result) |
| 761 | battery->present = state & (1 << battery->id); |
| 762 | state &= 0x0fff; |
| 763 | state |= 1 << (battery->id + 12); |
| 764 | acpi_smbus_write(battery->sbs->hc, SMBUS_WRITE_WORD, |
| 765 | ACPI_SBS_MANAGER, 0x01, (u8 *)&state, 2); |
| 766 | } else if (battery->id == 0) |
| 767 | battery->present = 1; |
| 768 | if (result || !battery->present) |
| 769 | return result; |
| 770 | |
| 771 | if (saved_present != battery->present) { |
| 772 | battery->update_time = 0; |
| 773 | result = acpi_battery_get_info(battery); |
| 774 | if (result) |
| 775 | return result; |
| 776 | } |
| 777 | result = acpi_battery_get_state(battery); |
| 778 | return result; |
| 779 | } |
| 780 | |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 781 | /* Smart Battery */ |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 782 | static int acpi_battery_add(struct acpi_sbs *sbs, int id) |
| 783 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 784 | struct acpi_battery *battery = &sbs->battery[id]; |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 785 | int result; |
| 786 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 787 | battery->id = id; |
| 788 | battery->sbs = sbs; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 789 | result = acpi_battery_read(battery); |
| 790 | if (result) |
| 791 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 792 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 793 | sprintf(battery->name, ACPI_BATTERY_DIR_NAME, id); |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 794 | #ifdef CONFIG_ACPI_PROCFS_POWER |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 795 | acpi_sbs_add_fs(&battery->proc_entry, acpi_battery_dir, |
| 796 | battery->name, &acpi_battery_info_fops, |
| 797 | &acpi_battery_state_fops, &acpi_battery_alarm_fops, |
| 798 | battery); |
Alexey Starikovskiy | 66e4b72 | 2007-09-26 19:43:54 +0400 | [diff] [blame] | 799 | #endif |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 800 | #ifdef CONFIG_ACPI_SYSFS_POWER |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 801 | battery->bat.name = battery->name; |
| 802 | battery->bat.type = POWER_SUPPLY_TYPE_BATTERY; |
| 803 | if (!acpi_battery_mode(battery)) { |
| 804 | battery->bat.properties = sbs_charge_battery_props; |
| 805 | battery->bat.num_properties = |
| 806 | ARRAY_SIZE(sbs_charge_battery_props); |
| 807 | } else { |
| 808 | battery->bat.properties = sbs_energy_battery_props; |
| 809 | battery->bat.num_properties = |
| 810 | ARRAY_SIZE(sbs_energy_battery_props); |
| 811 | } |
| 812 | battery->bat.get_property = acpi_sbs_battery_get_property; |
| 813 | result = power_supply_register(&sbs->device->dev, &battery->bat); |
Jeff Garzik | 037cbc6 | 2007-11-18 00:32:31 +0300 | [diff] [blame] | 814 | if (result) |
| 815 | goto end; |
| 816 | result = device_create_file(battery->bat.dev, &alarm_attr); |
| 817 | if (result) |
| 818 | goto end; |
| 819 | battery->have_sysfs_alarm = 1; |
| 820 | end: |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 821 | #endif |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 822 | printk(KERN_INFO PREFIX "%s [%s]: Battery Slot [%s] (battery %s)\n", |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 823 | ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device), |
Alexey Starikovskiy | bbafbec | 2008-02-09 03:22:13 -0500 | [diff] [blame] | 824 | battery->name, battery->present ? "present" : "absent"); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 825 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 826 | } |
| 827 | |
| 828 | static void acpi_battery_remove(struct acpi_sbs *sbs, int id) |
| 829 | { |
Rakib Mullick | c19bdb6 | 2010-01-03 19:27:56 +0600 | [diff] [blame] | 830 | #if defined(CONFIG_ACPI_SYSFS_POWER) || defined(CONFIG_ACPI_PROCFS_POWER) |
Jeff Garzik | 037cbc6 | 2007-11-18 00:32:31 +0300 | [diff] [blame] | 831 | struct acpi_battery *battery = &sbs->battery[id]; |
Rakib Mullick | c19bdb6 | 2010-01-03 19:27:56 +0600 | [diff] [blame] | 832 | #endif |
| 833 | |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 834 | #ifdef CONFIG_ACPI_SYSFS_POWER |
Jeff Garzik | 037cbc6 | 2007-11-18 00:32:31 +0300 | [diff] [blame] | 835 | if (battery->bat.dev) { |
| 836 | if (battery->have_sysfs_alarm) |
| 837 | device_remove_file(battery->bat.dev, &alarm_attr); |
| 838 | power_supply_unregister(&battery->bat); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 839 | } |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 840 | #endif |
Len Brown | c2e46d2 | 2007-11-20 01:20:00 -0500 | [diff] [blame] | 841 | #ifdef CONFIG_ACPI_PROCFS_POWER |
Jeff Garzik | 037cbc6 | 2007-11-18 00:32:31 +0300 | [diff] [blame] | 842 | if (battery->proc_entry) |
| 843 | acpi_sbs_remove_fs(&battery->proc_entry, acpi_battery_dir); |
Alexey Starikovskiy | 66e4b72 | 2007-09-26 19:43:54 +0400 | [diff] [blame] | 844 | #endif |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 845 | } |
| 846 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 847 | static int acpi_charger_add(struct acpi_sbs *sbs) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 848 | { |
| 849 | int result; |
| 850 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 851 | result = acpi_ac_get_present(sbs); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 852 | if (result) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 853 | goto end; |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 854 | #ifdef CONFIG_ACPI_PROCFS_POWER |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 855 | result = acpi_sbs_add_fs(&sbs->charger_entry, acpi_ac_dir, |
| 856 | ACPI_AC_DIR_NAME, NULL, |
| 857 | &acpi_ac_state_fops, NULL, sbs); |
| 858 | if (result) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 859 | goto end; |
Alexey Starikovskiy | 66e4b72 | 2007-09-26 19:43:54 +0400 | [diff] [blame] | 860 | #endif |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 861 | #ifdef CONFIG_ACPI_SYSFS_POWER |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 862 | sbs->charger.name = "sbs-charger"; |
| 863 | sbs->charger.type = POWER_SUPPLY_TYPE_MAINS; |
| 864 | sbs->charger.properties = sbs_ac_props; |
| 865 | sbs->charger.num_properties = ARRAY_SIZE(sbs_ac_props); |
| 866 | sbs->charger.get_property = sbs_get_ac_property; |
| 867 | power_supply_register(&sbs->device->dev, &sbs->charger); |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 868 | #endif |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 869 | printk(KERN_INFO PREFIX "%s [%s]: AC Adapter [%s] (%s)\n", |
| 870 | ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device), |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 871 | ACPI_AC_DIR_NAME, sbs->charger_present ? "on-line" : "off-line"); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 872 | end: |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 873 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 874 | } |
| 875 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 876 | static void acpi_charger_remove(struct acpi_sbs *sbs) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 877 | { |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 878 | #ifdef CONFIG_ACPI_SYSFS_POWER |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 879 | if (sbs->charger.dev) |
| 880 | power_supply_unregister(&sbs->charger); |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 881 | #endif |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 882 | #ifdef CONFIG_ACPI_PROCFS_POWER |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 883 | if (sbs->charger_entry) |
| 884 | acpi_sbs_remove_fs(&sbs->charger_entry, acpi_ac_dir); |
Alexey Starikovskiy | 66e4b72 | 2007-09-26 19:43:54 +0400 | [diff] [blame] | 885 | #endif |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 886 | } |
| 887 | |
Adrian Bunk | e5685b9 | 2007-10-24 18:24:42 +0200 | [diff] [blame] | 888 | static void acpi_sbs_callback(void *context) |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 889 | { |
| 890 | int id; |
| 891 | struct acpi_sbs *sbs = context; |
| 892 | struct acpi_battery *bat; |
| 893 | u8 saved_charger_state = sbs->charger_present; |
| 894 | u8 saved_battery_state; |
| 895 | acpi_ac_get_present(sbs); |
| 896 | if (sbs->charger_present != saved_charger_state) { |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 897 | #ifdef CONFIG_ACPI_PROC_EVENT |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 898 | acpi_bus_generate_proc_event4(ACPI_AC_CLASS, ACPI_AC_DIR_NAME, |
| 899 | ACPI_SBS_NOTIFY_STATUS, |
| 900 | sbs->charger_present); |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 901 | #endif |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 902 | #ifdef CONFIG_ACPI_SYSFS_POWER |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 903 | kobject_uevent(&sbs->charger.dev->kobj, KOBJ_CHANGE); |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 904 | #endif |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 905 | } |
| 906 | if (sbs->manager_present) { |
| 907 | for (id = 0; id < MAX_SBS_BAT; ++id) { |
| 908 | if (!(sbs->batteries_supported & (1 << id))) |
| 909 | continue; |
| 910 | bat = &sbs->battery[id]; |
| 911 | saved_battery_state = bat->present; |
| 912 | acpi_battery_read(bat); |
| 913 | if (saved_battery_state == bat->present) |
| 914 | continue; |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 915 | #ifdef CONFIG_ACPI_PROC_EVENT |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 916 | acpi_bus_generate_proc_event4(ACPI_BATTERY_CLASS, |
| 917 | bat->name, |
| 918 | ACPI_SBS_NOTIFY_STATUS, |
| 919 | bat->present); |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 920 | #endif |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 921 | #ifdef CONFIG_ACPI_SYSFS_POWER |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 922 | kobject_uevent(&bat->bat.dev->kobj, KOBJ_CHANGE); |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 923 | #endif |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 924 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 925 | } |
| 926 | } |
| 927 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 928 | static int acpi_sbs_remove(struct acpi_device *device, int type); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 929 | |
| 930 | static int acpi_sbs_add(struct acpi_device *device) |
| 931 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 932 | struct acpi_sbs *sbs; |
| 933 | int result = 0; |
Vladimir Lebedev | 6d15702 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 934 | int id; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 935 | |
Burman Yan | 36bcbec | 2006-12-19 12:56:11 -0800 | [diff] [blame] | 936 | sbs = kzalloc(sizeof(struct acpi_sbs), GFP_KERNEL); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 937 | if (!sbs) { |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 938 | result = -ENOMEM; |
| 939 | goto end; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 940 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 941 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 942 | mutex_init(&sbs->lock); |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 943 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame] | 944 | sbs->hc = acpi_driver_data(device->parent); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 945 | sbs->device = device; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 946 | strcpy(acpi_device_name(device), ACPI_SBS_DEVICE_NAME); |
| 947 | strcpy(acpi_device_class(device), ACPI_SBS_CLASS); |
Pavel Machek | db89b4f | 2008-09-22 14:37:34 -0700 | [diff] [blame] | 948 | device->driver_data = sbs; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 949 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 950 | result = acpi_charger_add(sbs); |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 951 | if (result) |
| 952 | goto end; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 953 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 954 | result = acpi_manager_get_info(sbs); |
| 955 | if (!result) { |
| 956 | sbs->manager_present = 1; |
| 957 | for (id = 0; id < MAX_SBS_BAT; ++id) |
| 958 | if ((sbs->batteries_supported & (1 << id))) |
| 959 | acpi_battery_add(sbs, id); |
| 960 | } else |
| 961 | acpi_battery_add(sbs, 0); |
| 962 | acpi_smbus_register_callback(sbs->hc, acpi_sbs_callback, sbs); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 963 | end: |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 964 | if (result) |
| 965 | acpi_sbs_remove(device, 0); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 966 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 967 | } |
| 968 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 969 | static int acpi_sbs_remove(struct acpi_device *device, int type) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 970 | { |
Len Brown | cece901 | 2006-12-16 01:04:27 -0500 | [diff] [blame] | 971 | struct acpi_sbs *sbs; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 972 | int id; |
| 973 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 974 | if (!device) |
Lebedev, Vladimir P | 963497c | 2006-09-05 19:49:13 +0400 | [diff] [blame] | 975 | return -EINVAL; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 976 | sbs = acpi_driver_data(device); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 977 | if (!sbs) |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 978 | return -EINVAL; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 979 | mutex_lock(&sbs->lock); |
| 980 | acpi_smbus_unregister_callback(sbs->hc); |
| 981 | for (id = 0; id < MAX_SBS_BAT; ++id) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 982 | acpi_battery_remove(sbs, id); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 983 | acpi_charger_remove(sbs); |
| 984 | mutex_unlock(&sbs->lock); |
| 985 | mutex_destroy(&sbs->lock); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 986 | kfree(sbs); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 987 | return 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 988 | } |
| 989 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 990 | static void acpi_sbs_rmdirs(void) |
| 991 | { |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 992 | #ifdef CONFIG_ACPI_PROCFS_POWER |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 993 | if (acpi_ac_dir) { |
| 994 | acpi_unlock_ac_dir(acpi_ac_dir); |
| 995 | acpi_ac_dir = NULL; |
| 996 | } |
| 997 | if (acpi_battery_dir) { |
| 998 | acpi_unlock_battery_dir(acpi_battery_dir); |
| 999 | acpi_battery_dir = NULL; |
| 1000 | } |
Alexey Starikovskiy | 66e4b72 | 2007-09-26 19:43:54 +0400 | [diff] [blame] | 1001 | #endif |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1002 | } |
| 1003 | |
| 1004 | static int acpi_sbs_resume(struct acpi_device *device) |
| 1005 | { |
| 1006 | struct acpi_sbs *sbs; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1007 | if (!device) |
| 1008 | return -EINVAL; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1009 | sbs = device->driver_data; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 1010 | acpi_sbs_callback(sbs); |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1011 | return 0; |
| 1012 | } |
| 1013 | |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 1014 | static struct acpi_driver acpi_sbs_driver = { |
| 1015 | .name = "sbs", |
| 1016 | .class = ACPI_SBS_CLASS, |
| 1017 | .ids = sbs_device_ids, |
| 1018 | .ops = { |
| 1019 | .add = acpi_sbs_add, |
| 1020 | .remove = acpi_sbs_remove, |
| 1021 | .resume = acpi_sbs_resume, |
| 1022 | }, |
| 1023 | }; |
| 1024 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1025 | static int __init acpi_sbs_init(void) |
| 1026 | { |
| 1027 | int result = 0; |
| 1028 | |
Len Brown | b20d2ae | 2006-08-15 23:21:37 -0400 | [diff] [blame] | 1029 | if (acpi_disabled) |
| 1030 | return -ENODEV; |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 1031 | #ifdef CONFIG_ACPI_PROCFS_POWER |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1032 | acpi_ac_dir = acpi_lock_ac_dir(); |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 1033 | if (!acpi_ac_dir) |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1034 | return -ENODEV; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1035 | acpi_battery_dir = acpi_lock_battery_dir(); |
| 1036 | if (!acpi_battery_dir) { |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1037 | acpi_sbs_rmdirs(); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1038 | return -ENODEV; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1039 | } |
Alexey Starikovskiy | 66e4b72 | 2007-09-26 19:43:54 +0400 | [diff] [blame] | 1040 | #endif |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1041 | result = acpi_bus_register_driver(&acpi_sbs_driver); |
| 1042 | if (result < 0) { |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1043 | acpi_sbs_rmdirs(); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1044 | return -ENODEV; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1045 | } |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1046 | return 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1047 | } |
| 1048 | |
| 1049 | static void __exit acpi_sbs_exit(void) |
| 1050 | { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1051 | acpi_bus_unregister_driver(&acpi_sbs_driver); |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1052 | acpi_sbs_rmdirs(); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1053 | return; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1054 | } |
| 1055 | |
| 1056 | module_init(acpi_sbs_init); |
| 1057 | module_exit(acpi_sbs_exit); |