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; |
Alexey Starikovskiy | 7faa144 | 2009-03-27 22:23:52 -0400 | [diff] [blame^] | 105 | s16 rate_now; |
| 106 | s16 rate_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: |
Alexey Starikovskiy | 7faa144 | 2009-03-27 22:23:52 -0400 | [diff] [blame^] | 205 | if (battery->rate_now < 0) |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 206 | val->intval = POWER_SUPPLY_STATUS_DISCHARGING; |
Alexey Starikovskiy | 7faa144 | 2009-03-27 22:23:52 -0400 | [diff] [blame^] | 207 | else if (battery->rate_now > 0) |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 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: |
Alexey Starikovskiy | 7faa144 | 2009-03-27 22:23:52 -0400 | [diff] [blame^] | 227 | case POWER_SUPPLY_PROP_POWER_NOW: |
| 228 | val->intval = abs(battery->rate_now) * |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 229 | acpi_battery_ipscale(battery) * 1000; |
| 230 | break; |
| 231 | case POWER_SUPPLY_PROP_CURRENT_AVG: |
Alexey Starikovskiy | 7faa144 | 2009-03-27 22:23:52 -0400 | [diff] [blame^] | 232 | case POWER_SUPPLY_PROP_POWER_AVG: |
| 233 | val->intval = abs(battery->rate_avg) * |
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_CAPACITY: |
| 237 | val->intval = battery->state_of_charge; |
| 238 | break; |
| 239 | case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN: |
| 240 | case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN: |
| 241 | val->intval = battery->design_capacity * |
| 242 | acpi_battery_scale(battery) * 1000; |
| 243 | break; |
| 244 | case POWER_SUPPLY_PROP_CHARGE_FULL: |
| 245 | case POWER_SUPPLY_PROP_ENERGY_FULL: |
| 246 | val->intval = battery->full_charge_capacity * |
| 247 | acpi_battery_scale(battery) * 1000; |
| 248 | break; |
| 249 | case POWER_SUPPLY_PROP_CHARGE_NOW: |
| 250 | case POWER_SUPPLY_PROP_ENERGY_NOW: |
| 251 | val->intval = battery->capacity_now * |
| 252 | acpi_battery_scale(battery) * 1000; |
| 253 | break; |
| 254 | case POWER_SUPPLY_PROP_TEMP: |
| 255 | val->intval = battery->temp_now - 2730; // dK -> dC |
| 256 | break; |
| 257 | case POWER_SUPPLY_PROP_MODEL_NAME: |
| 258 | val->strval = battery->device_name; |
| 259 | break; |
| 260 | case POWER_SUPPLY_PROP_MANUFACTURER: |
| 261 | val->strval = battery->manufacturer_name; |
| 262 | break; |
| 263 | default: |
| 264 | return -EINVAL; |
| 265 | } |
| 266 | return 0; |
| 267 | } |
| 268 | |
| 269 | static enum power_supply_property sbs_ac_props[] = { |
| 270 | POWER_SUPPLY_PROP_ONLINE, |
| 271 | }; |
| 272 | |
| 273 | static enum power_supply_property sbs_charge_battery_props[] = { |
| 274 | POWER_SUPPLY_PROP_STATUS, |
| 275 | POWER_SUPPLY_PROP_PRESENT, |
| 276 | POWER_SUPPLY_PROP_TECHNOLOGY, |
| 277 | POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, |
| 278 | POWER_SUPPLY_PROP_VOLTAGE_NOW, |
| 279 | POWER_SUPPLY_PROP_CURRENT_NOW, |
| 280 | POWER_SUPPLY_PROP_CURRENT_AVG, |
| 281 | POWER_SUPPLY_PROP_CAPACITY, |
| 282 | POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, |
| 283 | POWER_SUPPLY_PROP_CHARGE_FULL, |
| 284 | POWER_SUPPLY_PROP_CHARGE_NOW, |
| 285 | POWER_SUPPLY_PROP_TEMP, |
| 286 | POWER_SUPPLY_PROP_MODEL_NAME, |
| 287 | POWER_SUPPLY_PROP_MANUFACTURER, |
| 288 | }; |
| 289 | |
| 290 | static enum power_supply_property sbs_energy_battery_props[] = { |
| 291 | POWER_SUPPLY_PROP_STATUS, |
| 292 | POWER_SUPPLY_PROP_PRESENT, |
| 293 | POWER_SUPPLY_PROP_TECHNOLOGY, |
| 294 | POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, |
| 295 | POWER_SUPPLY_PROP_VOLTAGE_NOW, |
| 296 | POWER_SUPPLY_PROP_CURRENT_NOW, |
| 297 | POWER_SUPPLY_PROP_CURRENT_AVG, |
Alexey Starikovskiy | 7faa144 | 2009-03-27 22:23:52 -0400 | [diff] [blame^] | 298 | POWER_SUPPLY_PROP_POWER_NOW, |
| 299 | POWER_SUPPLY_PROP_POWER_AVG, |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 300 | POWER_SUPPLY_PROP_CAPACITY, |
| 301 | POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN, |
| 302 | POWER_SUPPLY_PROP_ENERGY_FULL, |
| 303 | POWER_SUPPLY_PROP_ENERGY_NOW, |
| 304 | POWER_SUPPLY_PROP_TEMP, |
| 305 | POWER_SUPPLY_PROP_MODEL_NAME, |
| 306 | POWER_SUPPLY_PROP_MANUFACTURER, |
| 307 | }; |
Alexey Starikovskiy | 7faa144 | 2009-03-27 22:23:52 -0400 | [diff] [blame^] | 308 | |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 309 | #endif |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 310 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 311 | /* -------------------------------------------------------------------------- |
| 312 | Smart Battery System Management |
| 313 | -------------------------------------------------------------------------- */ |
| 314 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 315 | struct acpi_battery_reader { |
| 316 | u8 command; /* command for battery */ |
| 317 | u8 mode; /* word or block? */ |
| 318 | size_t offset; /* offset inside struct acpi_sbs_battery */ |
| 319 | }; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 320 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 321 | static struct acpi_battery_reader info_readers[] = { |
| 322 | {0x01, SMBUS_READ_WORD, offsetof(struct acpi_battery, alarm_capacity)}, |
| 323 | {0x03, SMBUS_READ_WORD, offsetof(struct acpi_battery, mode)}, |
| 324 | {0x10, SMBUS_READ_WORD, offsetof(struct acpi_battery, full_charge_capacity)}, |
| 325 | {0x17, SMBUS_READ_WORD, offsetof(struct acpi_battery, cycle_count)}, |
| 326 | {0x18, SMBUS_READ_WORD, offsetof(struct acpi_battery, design_capacity)}, |
| 327 | {0x19, SMBUS_READ_WORD, offsetof(struct acpi_battery, design_voltage)}, |
| 328 | {0x1a, SMBUS_READ_WORD, offsetof(struct acpi_battery, spec)}, |
| 329 | {0x1c, SMBUS_READ_WORD, offsetof(struct acpi_battery, serial_number)}, |
| 330 | {0x20, SMBUS_READ_BLOCK, offsetof(struct acpi_battery, manufacturer_name)}, |
| 331 | {0x21, SMBUS_READ_BLOCK, offsetof(struct acpi_battery, device_name)}, |
| 332 | {0x22, SMBUS_READ_BLOCK, offsetof(struct acpi_battery, device_chemistry)}, |
| 333 | }; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 334 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 335 | static struct acpi_battery_reader state_readers[] = { |
| 336 | {0x08, SMBUS_READ_WORD, offsetof(struct acpi_battery, temp_now)}, |
| 337 | {0x09, SMBUS_READ_WORD, offsetof(struct acpi_battery, voltage_now)}, |
Alexey Starikovskiy | 7faa144 | 2009-03-27 22:23:52 -0400 | [diff] [blame^] | 338 | {0x0a, SMBUS_READ_WORD, offsetof(struct acpi_battery, rate_now)}, |
| 339 | {0x0b, SMBUS_READ_WORD, offsetof(struct acpi_battery, rate_avg)}, |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 340 | {0x0f, SMBUS_READ_WORD, offsetof(struct acpi_battery, capacity_now)}, |
| 341 | {0x0e, SMBUS_READ_WORD, offsetof(struct acpi_battery, state_of_charge)}, |
| 342 | {0x16, SMBUS_READ_WORD, offsetof(struct acpi_battery, state)}, |
| 343 | }; |
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 | static int acpi_manager_get_info(struct acpi_sbs *sbs) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 346 | { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 347 | int result = 0; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 348 | u16 battery_system_info; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 349 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 350 | result = acpi_smbus_read(sbs->hc, SMBUS_READ_WORD, ACPI_SBS_MANAGER, |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 351 | 0x04, (u8 *)&battery_system_info); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 352 | if (!result) |
| 353 | sbs->batteries_supported = battery_system_info & 0x000f; |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 354 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 355 | } |
| 356 | |
| 357 | static int acpi_battery_get_info(struct acpi_battery *battery) |
| 358 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 359 | int i, result = 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 360 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 361 | for (i = 0; i < ARRAY_SIZE(info_readers); ++i) { |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 362 | result = acpi_smbus_read(battery->sbs->hc, |
| 363 | info_readers[i].mode, |
| 364 | ACPI_SBS_BATTERY, |
| 365 | info_readers[i].command, |
| 366 | (u8 *) battery + |
| 367 | info_readers[i].offset); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 368 | if (result) |
| 369 | break; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 370 | } |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 371 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 372 | } |
| 373 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 374 | static int acpi_battery_get_state(struct acpi_battery *battery) |
| 375 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 376 | int i, result = 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 377 | |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 378 | if (battery->update_time && |
| 379 | time_before(jiffies, battery->update_time + |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 380 | msecs_to_jiffies(cache_time))) |
| 381 | return 0; |
| 382 | for (i = 0; i < ARRAY_SIZE(state_readers); ++i) { |
| 383 | result = acpi_smbus_read(battery->sbs->hc, |
| 384 | state_readers[i].mode, |
| 385 | ACPI_SBS_BATTERY, |
| 386 | state_readers[i].command, |
| 387 | (u8 *)battery + |
| 388 | state_readers[i].offset); |
| 389 | if (result) |
| 390 | goto end; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 391 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 392 | end: |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 393 | battery->update_time = jiffies; |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 394 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 395 | } |
| 396 | |
| 397 | static int acpi_battery_get_alarm(struct acpi_battery *battery) |
| 398 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 399 | return acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD, |
| 400 | ACPI_SBS_BATTERY, 0x01, |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 401 | (u8 *)&battery->alarm_capacity); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 402 | } |
| 403 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 404 | static int acpi_battery_set_alarm(struct acpi_battery *battery) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 405 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 406 | struct acpi_sbs *sbs = battery->sbs; |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 407 | u16 value, sel = 1 << (battery->id + 12); |
| 408 | |
| 409 | int ret; |
| 410 | |
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 | if (sbs->manager_present) { |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 413 | ret = acpi_smbus_read(sbs->hc, SMBUS_READ_WORD, ACPI_SBS_MANAGER, |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 414 | 0x01, (u8 *)&value); |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 415 | if (ret) |
| 416 | goto end; |
| 417 | if ((value & 0xf000) != sel) { |
| 418 | value &= 0x0fff; |
| 419 | value |= sel; |
| 420 | ret = acpi_smbus_write(sbs->hc, SMBUS_WRITE_WORD, |
| 421 | ACPI_SBS_MANAGER, |
| 422 | 0x01, (u8 *)&value, 2); |
| 423 | if (ret) |
| 424 | goto end; |
| 425 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 426 | } |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 427 | ret = acpi_smbus_write(sbs->hc, SMBUS_WRITE_WORD, ACPI_SBS_BATTERY, |
| 428 | 0x01, (u8 *)&battery->alarm_capacity, 2); |
| 429 | end: |
| 430 | return ret; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 431 | } |
| 432 | |
| 433 | static int acpi_ac_get_present(struct acpi_sbs *sbs) |
| 434 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 435 | int result; |
| 436 | u16 status; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 437 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 438 | result = acpi_smbus_read(sbs->hc, SMBUS_READ_WORD, ACPI_SBS_CHARGER, |
| 439 | 0x13, (u8 *) & status); |
| 440 | if (!result) |
| 441 | sbs->charger_present = (status >> 15) & 0x1; |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 442 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 443 | } |
| 444 | |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 445 | #ifdef CONFIG_ACPI_SYSFS_POWER |
Alexey Starikovskiy | 8bd9553 | 2007-09-26 19:44:00 +0400 | [diff] [blame] | 446 | static ssize_t acpi_battery_alarm_show(struct device *dev, |
| 447 | struct device_attribute *attr, |
| 448 | char *buf) |
| 449 | { |
| 450 | struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev)); |
| 451 | acpi_battery_get_alarm(battery); |
| 452 | return sprintf(buf, "%d\n", battery->alarm_capacity * |
| 453 | acpi_battery_scale(battery) * 1000); |
| 454 | } |
| 455 | |
| 456 | static ssize_t acpi_battery_alarm_store(struct device *dev, |
| 457 | struct device_attribute *attr, |
| 458 | const char *buf, size_t count) |
| 459 | { |
| 460 | unsigned long x; |
| 461 | struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev)); |
| 462 | if (sscanf(buf, "%ld\n", &x) == 1) |
| 463 | battery->alarm_capacity = x / |
| 464 | (1000 * acpi_battery_scale(battery)); |
| 465 | if (battery->present) |
| 466 | acpi_battery_set_alarm(battery); |
| 467 | return count; |
| 468 | } |
| 469 | |
| 470 | static struct device_attribute alarm_attr = { |
Parag Warudkar | 01e8ef1 | 2008-10-18 20:28:50 -0700 | [diff] [blame] | 471 | .attr = {.name = "alarm", .mode = 0644}, |
Alexey Starikovskiy | 8bd9553 | 2007-09-26 19:44:00 +0400 | [diff] [blame] | 472 | .show = acpi_battery_alarm_show, |
| 473 | .store = acpi_battery_alarm_store, |
| 474 | }; |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 475 | #endif |
Alexey Starikovskiy | 8bd9553 | 2007-09-26 19:44:00 +0400 | [diff] [blame] | 476 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 477 | /* -------------------------------------------------------------------------- |
| 478 | FS Interface (/proc/acpi) |
| 479 | -------------------------------------------------------------------------- */ |
| 480 | |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 481 | #ifdef CONFIG_ACPI_PROCFS_POWER |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 482 | /* Generic Routines */ |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 483 | static int |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 484 | acpi_sbs_add_fs(struct proc_dir_entry **dir, |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 485 | struct proc_dir_entry *parent_dir, |
| 486 | char *dir_name, |
| 487 | struct file_operations *info_fops, |
| 488 | struct file_operations *state_fops, |
| 489 | struct file_operations *alarm_fops, void *data) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 490 | { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 491 | if (!*dir) { |
| 492 | *dir = proc_mkdir(dir_name, parent_dir); |
| 493 | if (!*dir) { |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 494 | return -ENODEV; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 495 | } |
| 496 | (*dir)->owner = THIS_MODULE; |
| 497 | } |
| 498 | |
| 499 | /* 'info' [R] */ |
Denis V. Lunev | cf7acfa | 2008-04-29 01:02:27 -0700 | [diff] [blame] | 500 | if (info_fops) |
| 501 | proc_create_data(ACPI_SBS_FILE_INFO, S_IRUGO, *dir, |
| 502 | info_fops, data); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 503 | |
| 504 | /* 'state' [R] */ |
Denis V. Lunev | cf7acfa | 2008-04-29 01:02:27 -0700 | [diff] [blame] | 505 | if (state_fops) |
| 506 | proc_create_data(ACPI_SBS_FILE_STATE, S_IRUGO, *dir, |
| 507 | state_fops, data); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 508 | |
| 509 | /* 'alarm' [R/W] */ |
Denis V. Lunev | cf7acfa | 2008-04-29 01:02:27 -0700 | [diff] [blame] | 510 | if (alarm_fops) |
| 511 | proc_create_data(ACPI_SBS_FILE_ALARM, S_IRUGO, *dir, |
| 512 | alarm_fops, data); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 513 | return 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 514 | } |
| 515 | |
| 516 | static void |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 517 | acpi_sbs_remove_fs(struct proc_dir_entry **dir, |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 518 | struct proc_dir_entry *parent_dir) |
| 519 | { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 520 | if (*dir) { |
| 521 | remove_proc_entry(ACPI_SBS_FILE_INFO, *dir); |
| 522 | remove_proc_entry(ACPI_SBS_FILE_STATE, *dir); |
| 523 | remove_proc_entry(ACPI_SBS_FILE_ALARM, *dir); |
| 524 | remove_proc_entry((*dir)->name, parent_dir); |
| 525 | *dir = NULL; |
| 526 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 527 | } |
| 528 | |
| 529 | /* Smart Battery Interface */ |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 530 | static struct proc_dir_entry *acpi_battery_dir = NULL; |
| 531 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 532 | static inline char *acpi_battery_units(struct acpi_battery *battery) |
| 533 | { |
Alexey Starikovskiy | 5a21e4f | 2007-12-08 13:02:46 +0300 | [diff] [blame] | 534 | return acpi_battery_mode(battery) ? " mW" : " mA"; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 535 | } |
| 536 | |
| 537 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 538 | static int acpi_battery_read_info(struct seq_file *seq, void *offset) |
| 539 | { |
Jan Engelhardt | 50dd096 | 2006-10-01 00:28:50 +0200 | [diff] [blame] | 540 | struct acpi_battery *battery = seq->private; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 541 | struct acpi_sbs *sbs = battery->sbs; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 542 | int result = 0; |
| 543 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 544 | mutex_lock(&sbs->lock); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 545 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 546 | seq_printf(seq, "present: %s\n", |
| 547 | (battery->present) ? "yes" : "no"); |
| 548 | if (!battery->present) |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 549 | goto end; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 550 | |
Alexey Starikovskiy | 5a21e4f | 2007-12-08 13:02:46 +0300 | [diff] [blame] | 551 | seq_printf(seq, "design capacity: %i%sh\n", |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 552 | battery->design_capacity * acpi_battery_scale(battery), |
| 553 | acpi_battery_units(battery)); |
Alexey Starikovskiy | 5a21e4f | 2007-12-08 13:02:46 +0300 | [diff] [blame] | 554 | seq_printf(seq, "last full capacity: %i%sh\n", |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 555 | battery->full_charge_capacity * acpi_battery_scale(battery), |
| 556 | acpi_battery_units(battery)); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 557 | seq_printf(seq, "battery technology: rechargeable\n"); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 558 | seq_printf(seq, "design voltage: %i mV\n", |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 559 | battery->design_voltage * acpi_battery_vscale(battery)); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 560 | seq_printf(seq, "design capacity warning: unknown\n"); |
| 561 | seq_printf(seq, "design capacity low: unknown\n"); |
| 562 | seq_printf(seq, "capacity granularity 1: unknown\n"); |
| 563 | seq_printf(seq, "capacity granularity 2: unknown\n"); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 564 | seq_printf(seq, "model number: %s\n", battery->device_name); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 565 | seq_printf(seq, "serial number: %i\n", |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 566 | battery->serial_number); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 567 | seq_printf(seq, "battery type: %s\n", |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 568 | battery->device_chemistry); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 569 | seq_printf(seq, "OEM info: %s\n", |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 570 | battery->manufacturer_name); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 571 | end: |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 572 | mutex_unlock(&sbs->lock); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 573 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 574 | } |
| 575 | |
| 576 | static int acpi_battery_info_open_fs(struct inode *inode, struct file *file) |
| 577 | { |
| 578 | return single_open(file, acpi_battery_read_info, PDE(inode)->data); |
| 579 | } |
| 580 | |
| 581 | static int acpi_battery_read_state(struct seq_file *seq, void *offset) |
| 582 | { |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 583 | struct acpi_battery *battery = seq->private; |
| 584 | struct acpi_sbs *sbs = battery->sbs; |
Alexey Starikovskiy | 5a21e4f | 2007-12-08 13:02:46 +0300 | [diff] [blame] | 585 | int rate; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 586 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 587 | mutex_lock(&sbs->lock); |
| 588 | seq_printf(seq, "present: %s\n", |
| 589 | (battery->present) ? "yes" : "no"); |
| 590 | if (!battery->present) |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 591 | goto end; |
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 | acpi_battery_get_state(battery); |
| 594 | seq_printf(seq, "capacity state: %s\n", |
| 595 | (battery->state & 0x0010) ? "critical" : "ok"); |
| 596 | seq_printf(seq, "charging state: %s\n", |
Alexey Starikovskiy | 7faa144 | 2009-03-27 22:23:52 -0400 | [diff] [blame^] | 597 | (battery->rate_now < 0) ? "discharging" : |
| 598 | ((battery->rate_now > 0) ? "charging" : "charged")); |
| 599 | rate = abs(battery->rate_now) * acpi_battery_ipscale(battery); |
Alexey Starikovskiy | 5a21e4f | 2007-12-08 13:02:46 +0300 | [diff] [blame] | 600 | rate *= (acpi_battery_mode(battery))?(battery->voltage_now * |
| 601 | acpi_battery_vscale(battery)/1000):1; |
| 602 | seq_printf(seq, "present rate: %d%s\n", rate, |
| 603 | acpi_battery_units(battery)); |
| 604 | seq_printf(seq, "remaining capacity: %i%sh\n", |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 605 | battery->capacity_now * acpi_battery_scale(battery), |
| 606 | acpi_battery_units(battery)); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 607 | seq_printf(seq, "present voltage: %i mV\n", |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 608 | battery->voltage_now * acpi_battery_vscale(battery)); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 609 | |
| 610 | end: |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 611 | mutex_unlock(&sbs->lock); |
Alexey Starikovskiy | 5a21e4f | 2007-12-08 13:02:46 +0300 | [diff] [blame] | 612 | return 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 613 | } |
| 614 | |
| 615 | static int acpi_battery_state_open_fs(struct inode *inode, struct file *file) |
| 616 | { |
| 617 | return single_open(file, acpi_battery_read_state, PDE(inode)->data); |
| 618 | } |
| 619 | |
| 620 | static int acpi_battery_read_alarm(struct seq_file *seq, void *offset) |
| 621 | { |
Jan Engelhardt | 50dd096 | 2006-10-01 00:28:50 +0200 | [diff] [blame] | 622 | struct acpi_battery *battery = seq->private; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 623 | struct acpi_sbs *sbs = battery->sbs; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 624 | int result = 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 625 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 626 | mutex_lock(&sbs->lock); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 627 | |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 628 | if (!battery->present) { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 629 | seq_printf(seq, "present: no\n"); |
| 630 | goto end; |
| 631 | } |
| 632 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 633 | acpi_battery_get_alarm(battery); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 634 | seq_printf(seq, "alarm: "); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 635 | if (battery->alarm_capacity) |
Alexey Starikovskiy | 5a21e4f | 2007-12-08 13:02:46 +0300 | [diff] [blame] | 636 | seq_printf(seq, "%i%sh\n", |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 637 | battery->alarm_capacity * |
| 638 | acpi_battery_scale(battery), |
| 639 | acpi_battery_units(battery)); |
| 640 | else |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 641 | seq_printf(seq, "disabled\n"); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 642 | end: |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 643 | mutex_unlock(&sbs->lock); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 644 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 645 | } |
| 646 | |
| 647 | static ssize_t |
| 648 | acpi_battery_write_alarm(struct file *file, const char __user * buffer, |
| 649 | size_t count, loff_t * ppos) |
| 650 | { |
Jan Engelhardt | 50dd096 | 2006-10-01 00:28:50 +0200 | [diff] [blame] | 651 | struct seq_file *seq = file->private_data; |
| 652 | struct acpi_battery *battery = seq->private; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 653 | struct acpi_sbs *sbs = battery->sbs; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 654 | char alarm_string[12] = { '\0' }; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 655 | int result = 0; |
| 656 | mutex_lock(&sbs->lock); |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 657 | if (!battery->present) { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 658 | result = -ENODEV; |
| 659 | goto end; |
| 660 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 661 | if (count > sizeof(alarm_string) - 1) { |
| 662 | result = -EINVAL; |
| 663 | goto end; |
| 664 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 665 | if (copy_from_user(alarm_string, buffer, count)) { |
| 666 | result = -EFAULT; |
| 667 | goto end; |
| 668 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 669 | alarm_string[count] = 0; |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 670 | battery->alarm_capacity = simple_strtoul(alarm_string, NULL, 0) / |
| 671 | acpi_battery_scale(battery); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 672 | acpi_battery_set_alarm(battery); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 673 | end: |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 674 | mutex_unlock(&sbs->lock); |
| 675 | if (result) |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 676 | return result; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 677 | return count; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 678 | } |
| 679 | |
| 680 | static int acpi_battery_alarm_open_fs(struct inode *inode, struct file *file) |
| 681 | { |
| 682 | return single_open(file, acpi_battery_read_alarm, PDE(inode)->data); |
| 683 | } |
| 684 | |
| 685 | static struct file_operations acpi_battery_info_fops = { |
| 686 | .open = acpi_battery_info_open_fs, |
| 687 | .read = seq_read, |
| 688 | .llseek = seq_lseek, |
| 689 | .release = single_release, |
| 690 | .owner = THIS_MODULE, |
| 691 | }; |
| 692 | |
| 693 | static struct file_operations acpi_battery_state_fops = { |
| 694 | .open = acpi_battery_state_open_fs, |
| 695 | .read = seq_read, |
| 696 | .llseek = seq_lseek, |
| 697 | .release = single_release, |
| 698 | .owner = THIS_MODULE, |
| 699 | }; |
| 700 | |
| 701 | static struct file_operations acpi_battery_alarm_fops = { |
| 702 | .open = acpi_battery_alarm_open_fs, |
| 703 | .read = seq_read, |
| 704 | .write = acpi_battery_write_alarm, |
| 705 | .llseek = seq_lseek, |
| 706 | .release = single_release, |
| 707 | .owner = THIS_MODULE, |
| 708 | }; |
| 709 | |
| 710 | /* Legacy AC Adapter Interface */ |
| 711 | |
| 712 | static struct proc_dir_entry *acpi_ac_dir = NULL; |
| 713 | |
| 714 | static int acpi_ac_read_state(struct seq_file *seq, void *offset) |
| 715 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 716 | |
Jan Engelhardt | 50dd096 | 2006-10-01 00:28:50 +0200 | [diff] [blame] | 717 | struct acpi_sbs *sbs = seq->private; |
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_lock(&sbs->lock); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 720 | |
| 721 | seq_printf(seq, "state: %s\n", |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 722 | sbs->charger_present ? "on-line" : "off-line"); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 723 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 724 | mutex_unlock(&sbs->lock); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 725 | return 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 726 | } |
| 727 | |
| 728 | static int acpi_ac_state_open_fs(struct inode *inode, struct file *file) |
| 729 | { |
| 730 | return single_open(file, acpi_ac_read_state, PDE(inode)->data); |
| 731 | } |
| 732 | |
| 733 | static struct file_operations acpi_ac_state_fops = { |
| 734 | .open = acpi_ac_state_open_fs, |
| 735 | .read = seq_read, |
| 736 | .llseek = seq_lseek, |
| 737 | .release = single_release, |
| 738 | .owner = THIS_MODULE, |
| 739 | }; |
| 740 | |
Alexey Starikovskiy | 66e4b72 | 2007-09-26 19:43:54 +0400 | [diff] [blame] | 741 | #endif |
| 742 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 743 | /* -------------------------------------------------------------------------- |
| 744 | Driver Interface |
| 745 | -------------------------------------------------------------------------- */ |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 746 | static int acpi_battery_read(struct acpi_battery *battery) |
| 747 | { |
| 748 | int result = 0, saved_present = battery->present; |
| 749 | u16 state; |
| 750 | |
| 751 | if (battery->sbs->manager_present) { |
| 752 | result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD, |
| 753 | ACPI_SBS_MANAGER, 0x01, (u8 *)&state); |
| 754 | if (!result) |
| 755 | battery->present = state & (1 << battery->id); |
| 756 | state &= 0x0fff; |
| 757 | state |= 1 << (battery->id + 12); |
| 758 | acpi_smbus_write(battery->sbs->hc, SMBUS_WRITE_WORD, |
| 759 | ACPI_SBS_MANAGER, 0x01, (u8 *)&state, 2); |
| 760 | } else if (battery->id == 0) |
| 761 | battery->present = 1; |
| 762 | if (result || !battery->present) |
| 763 | return result; |
| 764 | |
| 765 | if (saved_present != battery->present) { |
| 766 | battery->update_time = 0; |
| 767 | result = acpi_battery_get_info(battery); |
| 768 | if (result) |
| 769 | return result; |
| 770 | } |
| 771 | result = acpi_battery_get_state(battery); |
| 772 | return result; |
| 773 | } |
| 774 | |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 775 | /* Smart Battery */ |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 776 | static int acpi_battery_add(struct acpi_sbs *sbs, int id) |
| 777 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 778 | struct acpi_battery *battery = &sbs->battery[id]; |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 779 | int result; |
| 780 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 781 | battery->id = id; |
| 782 | battery->sbs = sbs; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 783 | result = acpi_battery_read(battery); |
| 784 | if (result) |
| 785 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 786 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 787 | sprintf(battery->name, ACPI_BATTERY_DIR_NAME, id); |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 788 | #ifdef CONFIG_ACPI_PROCFS_POWER |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 789 | acpi_sbs_add_fs(&battery->proc_entry, acpi_battery_dir, |
| 790 | battery->name, &acpi_battery_info_fops, |
| 791 | &acpi_battery_state_fops, &acpi_battery_alarm_fops, |
| 792 | battery); |
Alexey Starikovskiy | 66e4b72 | 2007-09-26 19:43:54 +0400 | [diff] [blame] | 793 | #endif |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 794 | #ifdef CONFIG_ACPI_SYSFS_POWER |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 795 | battery->bat.name = battery->name; |
| 796 | battery->bat.type = POWER_SUPPLY_TYPE_BATTERY; |
| 797 | if (!acpi_battery_mode(battery)) { |
| 798 | battery->bat.properties = sbs_charge_battery_props; |
| 799 | battery->bat.num_properties = |
| 800 | ARRAY_SIZE(sbs_charge_battery_props); |
| 801 | } else { |
| 802 | battery->bat.properties = sbs_energy_battery_props; |
| 803 | battery->bat.num_properties = |
| 804 | ARRAY_SIZE(sbs_energy_battery_props); |
| 805 | } |
| 806 | battery->bat.get_property = acpi_sbs_battery_get_property; |
| 807 | result = power_supply_register(&sbs->device->dev, &battery->bat); |
Jeff Garzik | 037cbc6 | 2007-11-18 00:32:31 +0300 | [diff] [blame] | 808 | if (result) |
| 809 | goto end; |
| 810 | result = device_create_file(battery->bat.dev, &alarm_attr); |
| 811 | if (result) |
| 812 | goto end; |
| 813 | battery->have_sysfs_alarm = 1; |
| 814 | end: |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 815 | #endif |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 816 | printk(KERN_INFO PREFIX "%s [%s]: Battery Slot [%s] (battery %s)\n", |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 817 | ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device), |
Alexey Starikovskiy | bbafbec | 2008-02-09 03:22:13 -0500 | [diff] [blame] | 818 | battery->name, battery->present ? "present" : "absent"); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 819 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 820 | } |
| 821 | |
| 822 | static void acpi_battery_remove(struct acpi_sbs *sbs, int id) |
| 823 | { |
Jeff Garzik | 037cbc6 | 2007-11-18 00:32:31 +0300 | [diff] [blame] | 824 | struct acpi_battery *battery = &sbs->battery[id]; |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 825 | #ifdef CONFIG_ACPI_SYSFS_POWER |
Jeff Garzik | 037cbc6 | 2007-11-18 00:32:31 +0300 | [diff] [blame] | 826 | if (battery->bat.dev) { |
| 827 | if (battery->have_sysfs_alarm) |
| 828 | device_remove_file(battery->bat.dev, &alarm_attr); |
| 829 | power_supply_unregister(&battery->bat); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 830 | } |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 831 | #endif |
Len Brown | c2e46d2 | 2007-11-20 01:20:00 -0500 | [diff] [blame] | 832 | #ifdef CONFIG_ACPI_PROCFS_POWER |
Jeff Garzik | 037cbc6 | 2007-11-18 00:32:31 +0300 | [diff] [blame] | 833 | if (battery->proc_entry) |
| 834 | acpi_sbs_remove_fs(&battery->proc_entry, acpi_battery_dir); |
Alexey Starikovskiy | 66e4b72 | 2007-09-26 19:43:54 +0400 | [diff] [blame] | 835 | #endif |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 836 | } |
| 837 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 838 | static int acpi_charger_add(struct acpi_sbs *sbs) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 839 | { |
| 840 | int result; |
| 841 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 842 | result = acpi_ac_get_present(sbs); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 843 | if (result) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 844 | goto end; |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 845 | #ifdef CONFIG_ACPI_PROCFS_POWER |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 846 | result = acpi_sbs_add_fs(&sbs->charger_entry, acpi_ac_dir, |
| 847 | ACPI_AC_DIR_NAME, NULL, |
| 848 | &acpi_ac_state_fops, NULL, sbs); |
| 849 | if (result) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 850 | goto end; |
Alexey Starikovskiy | 66e4b72 | 2007-09-26 19:43:54 +0400 | [diff] [blame] | 851 | #endif |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 852 | #ifdef CONFIG_ACPI_SYSFS_POWER |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 853 | sbs->charger.name = "sbs-charger"; |
| 854 | sbs->charger.type = POWER_SUPPLY_TYPE_MAINS; |
| 855 | sbs->charger.properties = sbs_ac_props; |
| 856 | sbs->charger.num_properties = ARRAY_SIZE(sbs_ac_props); |
| 857 | sbs->charger.get_property = sbs_get_ac_property; |
| 858 | power_supply_register(&sbs->device->dev, &sbs->charger); |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 859 | #endif |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 860 | printk(KERN_INFO PREFIX "%s [%s]: AC Adapter [%s] (%s)\n", |
| 861 | ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device), |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 862 | ACPI_AC_DIR_NAME, sbs->charger_present ? "on-line" : "off-line"); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 863 | end: |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 864 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 865 | } |
| 866 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 867 | static void acpi_charger_remove(struct acpi_sbs *sbs) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 868 | { |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 869 | #ifdef CONFIG_ACPI_SYSFS_POWER |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 870 | if (sbs->charger.dev) |
| 871 | power_supply_unregister(&sbs->charger); |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 872 | #endif |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 873 | #ifdef CONFIG_ACPI_PROCFS_POWER |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 874 | if (sbs->charger_entry) |
| 875 | acpi_sbs_remove_fs(&sbs->charger_entry, acpi_ac_dir); |
Alexey Starikovskiy | 66e4b72 | 2007-09-26 19:43:54 +0400 | [diff] [blame] | 876 | #endif |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 877 | } |
| 878 | |
Adrian Bunk | e5685b9 | 2007-10-24 18:24:42 +0200 | [diff] [blame] | 879 | static void acpi_sbs_callback(void *context) |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 880 | { |
| 881 | int id; |
| 882 | struct acpi_sbs *sbs = context; |
| 883 | struct acpi_battery *bat; |
| 884 | u8 saved_charger_state = sbs->charger_present; |
| 885 | u8 saved_battery_state; |
| 886 | acpi_ac_get_present(sbs); |
| 887 | if (sbs->charger_present != saved_charger_state) { |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 888 | #ifdef CONFIG_ACPI_PROC_EVENT |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 889 | acpi_bus_generate_proc_event4(ACPI_AC_CLASS, ACPI_AC_DIR_NAME, |
| 890 | ACPI_SBS_NOTIFY_STATUS, |
| 891 | sbs->charger_present); |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 892 | #endif |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 893 | #ifdef CONFIG_ACPI_SYSFS_POWER |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 894 | kobject_uevent(&sbs->charger.dev->kobj, KOBJ_CHANGE); |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 895 | #endif |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 896 | } |
| 897 | if (sbs->manager_present) { |
| 898 | for (id = 0; id < MAX_SBS_BAT; ++id) { |
| 899 | if (!(sbs->batteries_supported & (1 << id))) |
| 900 | continue; |
| 901 | bat = &sbs->battery[id]; |
| 902 | saved_battery_state = bat->present; |
| 903 | acpi_battery_read(bat); |
| 904 | if (saved_battery_state == bat->present) |
| 905 | continue; |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 906 | #ifdef CONFIG_ACPI_PROC_EVENT |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 907 | acpi_bus_generate_proc_event4(ACPI_BATTERY_CLASS, |
| 908 | bat->name, |
| 909 | ACPI_SBS_NOTIFY_STATUS, |
| 910 | bat->present); |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 911 | #endif |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 912 | #ifdef CONFIG_ACPI_SYSFS_POWER |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 913 | kobject_uevent(&bat->bat.dev->kobj, KOBJ_CHANGE); |
Alexey Starikovskiy | 97749cd | 2008-01-01 14:27:24 -0500 | [diff] [blame] | 914 | #endif |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 915 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 916 | } |
| 917 | } |
| 918 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 919 | static int acpi_sbs_remove(struct acpi_device *device, int type); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 920 | |
| 921 | static int acpi_sbs_add(struct acpi_device *device) |
| 922 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 923 | struct acpi_sbs *sbs; |
| 924 | int result = 0; |
Vladimir Lebedev | 6d15702 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 925 | int id; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 926 | |
Burman Yan | 36bcbec | 2006-12-19 12:56:11 -0800 | [diff] [blame] | 927 | sbs = kzalloc(sizeof(struct acpi_sbs), GFP_KERNEL); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 928 | if (!sbs) { |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 929 | result = -ENOMEM; |
| 930 | goto end; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 931 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 932 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 933 | mutex_init(&sbs->lock); |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 934 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame] | 935 | sbs->hc = acpi_driver_data(device->parent); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 936 | sbs->device = device; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 937 | strcpy(acpi_device_name(device), ACPI_SBS_DEVICE_NAME); |
| 938 | strcpy(acpi_device_class(device), ACPI_SBS_CLASS); |
Pavel Machek | db89b4f | 2008-09-22 14:37:34 -0700 | [diff] [blame] | 939 | device->driver_data = sbs; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 940 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 941 | result = acpi_charger_add(sbs); |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 942 | if (result) |
| 943 | goto end; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 944 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 945 | result = acpi_manager_get_info(sbs); |
| 946 | if (!result) { |
| 947 | sbs->manager_present = 1; |
| 948 | for (id = 0; id < MAX_SBS_BAT; ++id) |
| 949 | if ((sbs->batteries_supported & (1 << id))) |
| 950 | acpi_battery_add(sbs, id); |
| 951 | } else |
| 952 | acpi_battery_add(sbs, 0); |
| 953 | acpi_smbus_register_callback(sbs->hc, acpi_sbs_callback, sbs); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 954 | end: |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 955 | if (result) |
| 956 | acpi_sbs_remove(device, 0); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 957 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 958 | } |
| 959 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 960 | static int acpi_sbs_remove(struct acpi_device *device, int type) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 961 | { |
Len Brown | cece901 | 2006-12-16 01:04:27 -0500 | [diff] [blame] | 962 | struct acpi_sbs *sbs; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 963 | int id; |
| 964 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 965 | if (!device) |
Lebedev, Vladimir P | 963497c | 2006-09-05 19:49:13 +0400 | [diff] [blame] | 966 | return -EINVAL; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 967 | sbs = acpi_driver_data(device); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 968 | if (!sbs) |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 969 | return -EINVAL; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 970 | mutex_lock(&sbs->lock); |
| 971 | acpi_smbus_unregister_callback(sbs->hc); |
| 972 | for (id = 0; id < MAX_SBS_BAT; ++id) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 973 | acpi_battery_remove(sbs, id); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 974 | acpi_charger_remove(sbs); |
| 975 | mutex_unlock(&sbs->lock); |
| 976 | mutex_destroy(&sbs->lock); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 977 | kfree(sbs); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 978 | return 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 979 | } |
| 980 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 981 | static void acpi_sbs_rmdirs(void) |
| 982 | { |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 983 | #ifdef CONFIG_ACPI_PROCFS_POWER |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 984 | if (acpi_ac_dir) { |
| 985 | acpi_unlock_ac_dir(acpi_ac_dir); |
| 986 | acpi_ac_dir = NULL; |
| 987 | } |
| 988 | if (acpi_battery_dir) { |
| 989 | acpi_unlock_battery_dir(acpi_battery_dir); |
| 990 | acpi_battery_dir = NULL; |
| 991 | } |
Alexey Starikovskiy | 66e4b72 | 2007-09-26 19:43:54 +0400 | [diff] [blame] | 992 | #endif |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 993 | } |
| 994 | |
| 995 | static int acpi_sbs_resume(struct acpi_device *device) |
| 996 | { |
| 997 | struct acpi_sbs *sbs; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 998 | if (!device) |
| 999 | return -EINVAL; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1000 | sbs = device->driver_data; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 1001 | acpi_sbs_callback(sbs); |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1002 | return 0; |
| 1003 | } |
| 1004 | |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 1005 | static struct acpi_driver acpi_sbs_driver = { |
| 1006 | .name = "sbs", |
| 1007 | .class = ACPI_SBS_CLASS, |
| 1008 | .ids = sbs_device_ids, |
| 1009 | .ops = { |
| 1010 | .add = acpi_sbs_add, |
| 1011 | .remove = acpi_sbs_remove, |
| 1012 | .resume = acpi_sbs_resume, |
| 1013 | }, |
| 1014 | }; |
| 1015 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1016 | static int __init acpi_sbs_init(void) |
| 1017 | { |
| 1018 | int result = 0; |
| 1019 | |
Len Brown | b20d2ae | 2006-08-15 23:21:37 -0400 | [diff] [blame] | 1020 | if (acpi_disabled) |
| 1021 | return -ENODEV; |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 1022 | #ifdef CONFIG_ACPI_PROCFS_POWER |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1023 | acpi_ac_dir = acpi_lock_ac_dir(); |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 1024 | if (!acpi_ac_dir) |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1025 | return -ENODEV; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1026 | acpi_battery_dir = acpi_lock_battery_dir(); |
| 1027 | if (!acpi_battery_dir) { |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1028 | acpi_sbs_rmdirs(); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1029 | return -ENODEV; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1030 | } |
Alexey Starikovskiy | 66e4b72 | 2007-09-26 19:43:54 +0400 | [diff] [blame] | 1031 | #endif |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1032 | result = acpi_bus_register_driver(&acpi_sbs_driver); |
| 1033 | if (result < 0) { |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1034 | acpi_sbs_rmdirs(); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1035 | return -ENODEV; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1036 | } |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1037 | return 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1038 | } |
| 1039 | |
| 1040 | static void __exit acpi_sbs_exit(void) |
| 1041 | { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1042 | acpi_bus_unregister_driver(&acpi_sbs_driver); |
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; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1045 | } |
| 1046 | |
| 1047 | module_init(acpi_sbs_init); |
| 1048 | module_exit(acpi_sbs_exit); |