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