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> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 28 | #include <linux/slab.h> |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 29 | #include <linux/module.h> |
| 30 | #include <linux/moduleparam.h> |
| 31 | #include <linux/kernel.h> |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 32 | |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 33 | #ifdef CONFIG_ACPI_PROCFS_POWER |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 34 | #include <linux/proc_fs.h> |
| 35 | #include <linux/seq_file.h> |
| 36 | #include <asm/uaccess.h> |
Alexey Starikovskiy | 66e4b72 | 2007-09-26 19:43:54 +0400 | [diff] [blame] | 37 | #endif |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 38 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 39 | #include <linux/acpi.h> |
Vladimir Lebedev | 6d15702 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 40 | #include <linux/timer.h> |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 41 | #include <linux/jiffies.h> |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 42 | #include <linux/delay.h> |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 43 | #include <linux/power_supply.h> |
| 44 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame] | 45 | #include "sbshc.h" |
| 46 | |
Len Brown | a192a95 | 2009-07-28 16:45:54 -0400 | [diff] [blame] | 47 | #define PREFIX "ACPI: " |
| 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 | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 85 | struct power_supply bat; |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 86 | struct acpi_sbs *sbs; |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 87 | #ifdef CONFIG_ACPI_PROCFS_POWER |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 88 | struct proc_dir_entry *proc_entry; |
Alexey Starikovskiy | 66e4b72 | 2007-09-26 19:43:54 +0400 | [diff] [blame] | 89 | #endif |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 90 | unsigned long update_time; |
| 91 | char name[8]; |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 92 | char manufacturer_name[ACPI_SBS_BLOCK_MAX]; |
| 93 | char device_name[ACPI_SBS_BLOCK_MAX]; |
| 94 | char device_chemistry[ACPI_SBS_BLOCK_MAX]; |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 95 | u16 alarm_capacity; |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 96 | u16 full_charge_capacity; |
| 97 | u16 design_capacity; |
| 98 | u16 design_voltage; |
| 99 | u16 serial_number; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 100 | u16 cycle_count; |
| 101 | u16 temp_now; |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 102 | u16 voltage_now; |
Alexey Starikovskiy | 7faa144 | 2009-03-27 22:23:52 -0400 | [diff] [blame] | 103 | s16 rate_now; |
| 104 | s16 rate_avg; |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 105 | u16 capacity_now; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 106 | u16 state_of_charge; |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 107 | u16 state; |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 108 | u16 mode; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 109 | u16 spec; |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 110 | u8 id; |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 111 | u8 present:1; |
Jeff Garzik | 037cbc6 | 2007-11-18 00:32:31 +0300 | [diff] [blame] | 112 | u8 have_sysfs_alarm:1; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 113 | }; |
| 114 | |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 115 | #define to_acpi_battery(x) container_of(x, struct acpi_battery, bat); |
| 116 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 117 | struct acpi_sbs { |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 118 | struct power_supply charger; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 119 | struct acpi_device *device; |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame] | 120 | struct acpi_smb_hc *hc; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 121 | struct mutex lock; |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 122 | #ifdef CONFIG_ACPI_PROCFS_POWER |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 123 | struct proc_dir_entry *charger_entry; |
Alexey Starikovskiy | 66e4b72 | 2007-09-26 19:43:54 +0400 | [diff] [blame] | 124 | #endif |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 125 | struct acpi_battery battery[MAX_SBS_BAT]; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 126 | u8 batteries_supported:4; |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 127 | u8 manager_present:1; |
| 128 | u8 charger_present:1; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 129 | }; |
| 130 | |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 131 | #define to_acpi_sbs(x) container_of(x, struct acpi_sbs, charger) |
| 132 | |
Lan Tianyu | 1dd5c71 | 2011-07-01 16:03:15 +0800 | [diff] [blame^] | 133 | static int acpi_sbs_remove(struct acpi_device *device, int type); |
| 134 | static int acpi_battery_get_state(struct acpi_battery *battery); |
| 135 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 136 | static inline int battery_scale(int log) |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 137 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 138 | int scale = 1; |
| 139 | while (log--) |
| 140 | scale *= 10; |
| 141 | return scale; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 142 | } |
| 143 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 144 | static inline int acpi_battery_vscale(struct acpi_battery *battery) |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 145 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 146 | return battery_scale((battery->spec & 0x0f00) >> 8); |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 147 | } |
| 148 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 149 | static inline int acpi_battery_ipscale(struct acpi_battery *battery) |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 150 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 151 | return battery_scale((battery->spec & 0xf000) >> 12); |
| 152 | } |
| 153 | |
| 154 | static inline int acpi_battery_mode(struct acpi_battery *battery) |
| 155 | { |
| 156 | return (battery->mode & 0x8000); |
| 157 | } |
| 158 | |
| 159 | static inline int acpi_battery_scale(struct acpi_battery *battery) |
| 160 | { |
| 161 | return (acpi_battery_mode(battery) ? 10 : 1) * |
| 162 | acpi_battery_ipscale(battery); |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 163 | } |
| 164 | |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 165 | static int sbs_get_ac_property(struct power_supply *psy, |
| 166 | enum power_supply_property psp, |
| 167 | union power_supply_propval *val) |
| 168 | { |
| 169 | struct acpi_sbs *sbs = to_acpi_sbs(psy); |
| 170 | switch (psp) { |
| 171 | case POWER_SUPPLY_PROP_ONLINE: |
| 172 | val->intval = sbs->charger_present; |
| 173 | break; |
| 174 | default: |
| 175 | return -EINVAL; |
| 176 | } |
| 177 | return 0; |
| 178 | } |
| 179 | |
| 180 | static int acpi_battery_technology(struct acpi_battery *battery) |
| 181 | { |
| 182 | if (!strcasecmp("NiCd", battery->device_chemistry)) |
| 183 | return POWER_SUPPLY_TECHNOLOGY_NiCd; |
| 184 | if (!strcasecmp("NiMH", battery->device_chemistry)) |
| 185 | return POWER_SUPPLY_TECHNOLOGY_NiMH; |
| 186 | if (!strcasecmp("LION", battery->device_chemistry)) |
| 187 | return POWER_SUPPLY_TECHNOLOGY_LION; |
| 188 | if (!strcasecmp("LiP", battery->device_chemistry)) |
| 189 | return POWER_SUPPLY_TECHNOLOGY_LIPO; |
| 190 | return POWER_SUPPLY_TECHNOLOGY_UNKNOWN; |
| 191 | } |
| 192 | |
| 193 | static int acpi_sbs_battery_get_property(struct power_supply *psy, |
| 194 | enum power_supply_property psp, |
| 195 | union power_supply_propval *val) |
| 196 | { |
| 197 | struct acpi_battery *battery = to_acpi_battery(psy); |
| 198 | |
| 199 | if ((!battery->present) && psp != POWER_SUPPLY_PROP_PRESENT) |
| 200 | return -ENODEV; |
Lan Tianyu | 1dd5c71 | 2011-07-01 16:03:15 +0800 | [diff] [blame^] | 201 | |
| 202 | acpi_battery_get_state(battery); |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 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; |
Alexey Starikovskiy | 1669885 | 2009-10-15 14:31:37 +0400 | [diff] [blame] | 218 | case POWER_SUPPLY_PROP_CYCLE_COUNT: |
| 219 | val->intval = battery->cycle_count; |
| 220 | break; |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 221 | case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: |
| 222 | val->intval = battery->design_voltage * |
| 223 | acpi_battery_vscale(battery) * 1000; |
| 224 | break; |
| 225 | case POWER_SUPPLY_PROP_VOLTAGE_NOW: |
| 226 | val->intval = battery->voltage_now * |
| 227 | acpi_battery_vscale(battery) * 1000; |
| 228 | break; |
| 229 | case POWER_SUPPLY_PROP_CURRENT_NOW: |
Alexey Starikovskiy | 7faa144 | 2009-03-27 22:23:52 -0400 | [diff] [blame] | 230 | case POWER_SUPPLY_PROP_POWER_NOW: |
| 231 | val->intval = abs(battery->rate_now) * |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 232 | acpi_battery_ipscale(battery) * 1000; |
| 233 | break; |
| 234 | case POWER_SUPPLY_PROP_CURRENT_AVG: |
Alexey Starikovskiy | 7faa144 | 2009-03-27 22:23:52 -0400 | [diff] [blame] | 235 | case POWER_SUPPLY_PROP_POWER_AVG: |
| 236 | val->intval = abs(battery->rate_avg) * |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 237 | acpi_battery_ipscale(battery) * 1000; |
| 238 | break; |
| 239 | case POWER_SUPPLY_PROP_CAPACITY: |
| 240 | val->intval = battery->state_of_charge; |
| 241 | break; |
| 242 | case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN: |
| 243 | case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN: |
| 244 | val->intval = battery->design_capacity * |
| 245 | acpi_battery_scale(battery) * 1000; |
| 246 | break; |
| 247 | case POWER_SUPPLY_PROP_CHARGE_FULL: |
| 248 | case POWER_SUPPLY_PROP_ENERGY_FULL: |
| 249 | val->intval = battery->full_charge_capacity * |
| 250 | acpi_battery_scale(battery) * 1000; |
| 251 | break; |
| 252 | case POWER_SUPPLY_PROP_CHARGE_NOW: |
| 253 | case POWER_SUPPLY_PROP_ENERGY_NOW: |
| 254 | val->intval = battery->capacity_now * |
| 255 | acpi_battery_scale(battery) * 1000; |
| 256 | break; |
| 257 | case POWER_SUPPLY_PROP_TEMP: |
| 258 | val->intval = battery->temp_now - 2730; // dK -> dC |
| 259 | break; |
| 260 | case POWER_SUPPLY_PROP_MODEL_NAME: |
| 261 | val->strval = battery->device_name; |
| 262 | break; |
| 263 | case POWER_SUPPLY_PROP_MANUFACTURER: |
| 264 | val->strval = battery->manufacturer_name; |
| 265 | break; |
| 266 | default: |
| 267 | return -EINVAL; |
| 268 | } |
| 269 | return 0; |
| 270 | } |
| 271 | |
| 272 | static enum power_supply_property sbs_ac_props[] = { |
| 273 | POWER_SUPPLY_PROP_ONLINE, |
| 274 | }; |
| 275 | |
| 276 | static enum power_supply_property sbs_charge_battery_props[] = { |
| 277 | POWER_SUPPLY_PROP_STATUS, |
| 278 | POWER_SUPPLY_PROP_PRESENT, |
| 279 | POWER_SUPPLY_PROP_TECHNOLOGY, |
Alexey Starikovskiy | 1669885 | 2009-10-15 14:31:37 +0400 | [diff] [blame] | 280 | POWER_SUPPLY_PROP_CYCLE_COUNT, |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 281 | POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, |
| 282 | POWER_SUPPLY_PROP_VOLTAGE_NOW, |
| 283 | POWER_SUPPLY_PROP_CURRENT_NOW, |
| 284 | POWER_SUPPLY_PROP_CURRENT_AVG, |
| 285 | POWER_SUPPLY_PROP_CAPACITY, |
| 286 | POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, |
| 287 | POWER_SUPPLY_PROP_CHARGE_FULL, |
| 288 | POWER_SUPPLY_PROP_CHARGE_NOW, |
| 289 | POWER_SUPPLY_PROP_TEMP, |
| 290 | POWER_SUPPLY_PROP_MODEL_NAME, |
| 291 | POWER_SUPPLY_PROP_MANUFACTURER, |
| 292 | }; |
| 293 | |
| 294 | static enum power_supply_property sbs_energy_battery_props[] = { |
| 295 | POWER_SUPPLY_PROP_STATUS, |
| 296 | POWER_SUPPLY_PROP_PRESENT, |
| 297 | POWER_SUPPLY_PROP_TECHNOLOGY, |
| 298 | POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, |
| 299 | POWER_SUPPLY_PROP_VOLTAGE_NOW, |
| 300 | POWER_SUPPLY_PROP_CURRENT_NOW, |
| 301 | POWER_SUPPLY_PROP_CURRENT_AVG, |
Alexey Starikovskiy | 7faa144 | 2009-03-27 22:23:52 -0400 | [diff] [blame] | 302 | POWER_SUPPLY_PROP_POWER_NOW, |
| 303 | POWER_SUPPLY_PROP_POWER_AVG, |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 304 | POWER_SUPPLY_PROP_CAPACITY, |
| 305 | POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN, |
| 306 | POWER_SUPPLY_PROP_ENERGY_FULL, |
| 307 | POWER_SUPPLY_PROP_ENERGY_NOW, |
| 308 | POWER_SUPPLY_PROP_TEMP, |
| 309 | POWER_SUPPLY_PROP_MODEL_NAME, |
| 310 | POWER_SUPPLY_PROP_MANUFACTURER, |
| 311 | }; |
Alexey Starikovskiy | 7faa144 | 2009-03-27 22:23:52 -0400 | [diff] [blame] | 312 | |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 313 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 314 | /* -------------------------------------------------------------------------- |
| 315 | Smart Battery System Management |
| 316 | -------------------------------------------------------------------------- */ |
| 317 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 318 | struct acpi_battery_reader { |
| 319 | u8 command; /* command for battery */ |
| 320 | u8 mode; /* word or block? */ |
| 321 | size_t offset; /* offset inside struct acpi_sbs_battery */ |
| 322 | }; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 323 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 324 | static struct acpi_battery_reader info_readers[] = { |
| 325 | {0x01, SMBUS_READ_WORD, offsetof(struct acpi_battery, alarm_capacity)}, |
| 326 | {0x03, SMBUS_READ_WORD, offsetof(struct acpi_battery, mode)}, |
| 327 | {0x10, SMBUS_READ_WORD, offsetof(struct acpi_battery, full_charge_capacity)}, |
| 328 | {0x17, SMBUS_READ_WORD, offsetof(struct acpi_battery, cycle_count)}, |
| 329 | {0x18, SMBUS_READ_WORD, offsetof(struct acpi_battery, design_capacity)}, |
| 330 | {0x19, SMBUS_READ_WORD, offsetof(struct acpi_battery, design_voltage)}, |
| 331 | {0x1a, SMBUS_READ_WORD, offsetof(struct acpi_battery, spec)}, |
| 332 | {0x1c, SMBUS_READ_WORD, offsetof(struct acpi_battery, serial_number)}, |
| 333 | {0x20, SMBUS_READ_BLOCK, offsetof(struct acpi_battery, manufacturer_name)}, |
| 334 | {0x21, SMBUS_READ_BLOCK, offsetof(struct acpi_battery, device_name)}, |
| 335 | {0x22, SMBUS_READ_BLOCK, offsetof(struct acpi_battery, device_chemistry)}, |
| 336 | }; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 337 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 338 | static struct acpi_battery_reader state_readers[] = { |
| 339 | {0x08, SMBUS_READ_WORD, offsetof(struct acpi_battery, temp_now)}, |
| 340 | {0x09, SMBUS_READ_WORD, offsetof(struct acpi_battery, voltage_now)}, |
Alexey Starikovskiy | 7faa144 | 2009-03-27 22:23:52 -0400 | [diff] [blame] | 341 | {0x0a, SMBUS_READ_WORD, offsetof(struct acpi_battery, rate_now)}, |
| 342 | {0x0b, SMBUS_READ_WORD, offsetof(struct acpi_battery, rate_avg)}, |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 343 | {0x0f, SMBUS_READ_WORD, offsetof(struct acpi_battery, capacity_now)}, |
| 344 | {0x0e, SMBUS_READ_WORD, offsetof(struct acpi_battery, state_of_charge)}, |
| 345 | {0x16, SMBUS_READ_WORD, offsetof(struct acpi_battery, state)}, |
| 346 | }; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 347 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 348 | static int acpi_manager_get_info(struct acpi_sbs *sbs) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 349 | { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 350 | int result = 0; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 351 | u16 battery_system_info; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 352 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 353 | result = acpi_smbus_read(sbs->hc, SMBUS_READ_WORD, ACPI_SBS_MANAGER, |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 354 | 0x04, (u8 *)&battery_system_info); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 355 | if (!result) |
| 356 | sbs->batteries_supported = battery_system_info & 0x000f; |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 357 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 358 | } |
| 359 | |
| 360 | static int acpi_battery_get_info(struct acpi_battery *battery) |
| 361 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 362 | int i, result = 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 363 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 364 | for (i = 0; i < ARRAY_SIZE(info_readers); ++i) { |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 365 | result = acpi_smbus_read(battery->sbs->hc, |
| 366 | info_readers[i].mode, |
| 367 | ACPI_SBS_BATTERY, |
| 368 | info_readers[i].command, |
| 369 | (u8 *) battery + |
| 370 | info_readers[i].offset); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 371 | if (result) |
| 372 | break; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 373 | } |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 374 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 375 | } |
| 376 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 377 | static int acpi_battery_get_state(struct acpi_battery *battery) |
| 378 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 379 | int i, result = 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 380 | |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 381 | if (battery->update_time && |
| 382 | time_before(jiffies, battery->update_time + |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 383 | msecs_to_jiffies(cache_time))) |
| 384 | return 0; |
| 385 | for (i = 0; i < ARRAY_SIZE(state_readers); ++i) { |
| 386 | result = acpi_smbus_read(battery->sbs->hc, |
| 387 | state_readers[i].mode, |
| 388 | ACPI_SBS_BATTERY, |
| 389 | state_readers[i].command, |
| 390 | (u8 *)battery + |
| 391 | state_readers[i].offset); |
| 392 | if (result) |
| 393 | goto end; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 394 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 395 | end: |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 396 | battery->update_time = jiffies; |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 397 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 398 | } |
| 399 | |
| 400 | static int acpi_battery_get_alarm(struct acpi_battery *battery) |
| 401 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 402 | return acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD, |
| 403 | ACPI_SBS_BATTERY, 0x01, |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 404 | (u8 *)&battery->alarm_capacity); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 405 | } |
| 406 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 407 | static int acpi_battery_set_alarm(struct acpi_battery *battery) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 408 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 409 | struct acpi_sbs *sbs = battery->sbs; |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 410 | u16 value, sel = 1 << (battery->id + 12); |
| 411 | |
| 412 | int ret; |
| 413 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 414 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 415 | if (sbs->manager_present) { |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 416 | ret = acpi_smbus_read(sbs->hc, SMBUS_READ_WORD, ACPI_SBS_MANAGER, |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 417 | 0x01, (u8 *)&value); |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 418 | if (ret) |
| 419 | goto end; |
| 420 | if ((value & 0xf000) != sel) { |
| 421 | value &= 0x0fff; |
| 422 | value |= sel; |
| 423 | ret = acpi_smbus_write(sbs->hc, SMBUS_WRITE_WORD, |
| 424 | ACPI_SBS_MANAGER, |
| 425 | 0x01, (u8 *)&value, 2); |
| 426 | if (ret) |
| 427 | goto end; |
| 428 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 429 | } |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 430 | ret = acpi_smbus_write(sbs->hc, SMBUS_WRITE_WORD, ACPI_SBS_BATTERY, |
| 431 | 0x01, (u8 *)&battery->alarm_capacity, 2); |
| 432 | end: |
| 433 | return ret; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 434 | } |
| 435 | |
| 436 | static int acpi_ac_get_present(struct acpi_sbs *sbs) |
| 437 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 438 | int result; |
| 439 | u16 status; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 440 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 441 | result = acpi_smbus_read(sbs->hc, SMBUS_READ_WORD, ACPI_SBS_CHARGER, |
| 442 | 0x13, (u8 *) & status); |
| 443 | if (!result) |
| 444 | sbs->charger_present = (status >> 15) & 0x1; |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 445 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 446 | } |
| 447 | |
Alexey Starikovskiy | 8bd9553 | 2007-09-26 19:44:00 +0400 | [diff] [blame] | 448 | static ssize_t acpi_battery_alarm_show(struct device *dev, |
| 449 | struct device_attribute *attr, |
| 450 | char *buf) |
| 451 | { |
| 452 | struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev)); |
| 453 | acpi_battery_get_alarm(battery); |
| 454 | return sprintf(buf, "%d\n", battery->alarm_capacity * |
| 455 | acpi_battery_scale(battery) * 1000); |
| 456 | } |
| 457 | |
| 458 | static ssize_t acpi_battery_alarm_store(struct device *dev, |
| 459 | struct device_attribute *attr, |
| 460 | const char *buf, size_t count) |
| 461 | { |
| 462 | unsigned long x; |
| 463 | struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev)); |
| 464 | if (sscanf(buf, "%ld\n", &x) == 1) |
| 465 | battery->alarm_capacity = x / |
| 466 | (1000 * acpi_battery_scale(battery)); |
| 467 | if (battery->present) |
| 468 | acpi_battery_set_alarm(battery); |
| 469 | return count; |
| 470 | } |
| 471 | |
| 472 | static struct device_attribute alarm_attr = { |
Parag Warudkar | 01e8ef1 | 2008-10-18 20:28:50 -0700 | [diff] [blame] | 473 | .attr = {.name = "alarm", .mode = 0644}, |
Alexey Starikovskiy | 8bd9553 | 2007-09-26 19:44:00 +0400 | [diff] [blame] | 474 | .show = acpi_battery_alarm_show, |
| 475 | .store = acpi_battery_alarm_store, |
| 476 | }; |
| 477 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 478 | /* -------------------------------------------------------------------------- |
| 479 | FS Interface (/proc/acpi) |
| 480 | -------------------------------------------------------------------------- */ |
| 481 | |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 482 | #ifdef CONFIG_ACPI_PROCFS_POWER |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 483 | /* Generic Routines */ |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 484 | static int |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 485 | acpi_sbs_add_fs(struct proc_dir_entry **dir, |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 486 | struct proc_dir_entry *parent_dir, |
| 487 | char *dir_name, |
Jan Engelhardt | 070d8eb | 2009-01-12 00:07:55 +0100 | [diff] [blame] | 488 | const struct file_operations *info_fops, |
| 489 | const struct file_operations *state_fops, |
| 490 | const struct file_operations *alarm_fops, void *data) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 491 | { |
Zhang Rui | 6d855fc | 2011-01-10 11:16:30 +0800 | [diff] [blame] | 492 | printk(KERN_WARNING PREFIX "Deprecated procfs I/F for SBS is loaded," |
| 493 | " please retry with CONFIG_ACPI_PROCFS_POWER cleared\n"); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 494 | if (!*dir) { |
| 495 | *dir = proc_mkdir(dir_name, parent_dir); |
| 496 | if (!*dir) { |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 497 | return -ENODEV; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 498 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 499 | } |
| 500 | |
| 501 | /* 'info' [R] */ |
Denis V. Lunev | cf7acfa | 2008-04-29 01:02:27 -0700 | [diff] [blame] | 502 | if (info_fops) |
| 503 | proc_create_data(ACPI_SBS_FILE_INFO, S_IRUGO, *dir, |
| 504 | info_fops, data); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 505 | |
| 506 | /* 'state' [R] */ |
Denis V. Lunev | cf7acfa | 2008-04-29 01:02:27 -0700 | [diff] [blame] | 507 | if (state_fops) |
| 508 | proc_create_data(ACPI_SBS_FILE_STATE, S_IRUGO, *dir, |
| 509 | state_fops, data); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 510 | |
| 511 | /* 'alarm' [R/W] */ |
Denis V. Lunev | cf7acfa | 2008-04-29 01:02:27 -0700 | [diff] [blame] | 512 | if (alarm_fops) |
| 513 | proc_create_data(ACPI_SBS_FILE_ALARM, S_IRUGO, *dir, |
| 514 | alarm_fops, data); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 515 | return 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 516 | } |
| 517 | |
| 518 | static void |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 519 | acpi_sbs_remove_fs(struct proc_dir_entry **dir, |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 520 | struct proc_dir_entry *parent_dir) |
| 521 | { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 522 | if (*dir) { |
| 523 | remove_proc_entry(ACPI_SBS_FILE_INFO, *dir); |
| 524 | remove_proc_entry(ACPI_SBS_FILE_STATE, *dir); |
| 525 | remove_proc_entry(ACPI_SBS_FILE_ALARM, *dir); |
| 526 | remove_proc_entry((*dir)->name, parent_dir); |
| 527 | *dir = NULL; |
| 528 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 529 | } |
| 530 | |
| 531 | /* Smart Battery Interface */ |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 532 | static struct proc_dir_entry *acpi_battery_dir = NULL; |
| 533 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 534 | static inline char *acpi_battery_units(struct acpi_battery *battery) |
| 535 | { |
Alexey Starikovskiy | 5a21e4f | 2007-12-08 13:02:46 +0300 | [diff] [blame] | 536 | return acpi_battery_mode(battery) ? " mW" : " mA"; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 537 | } |
| 538 | |
| 539 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 540 | static int acpi_battery_read_info(struct seq_file *seq, void *offset) |
| 541 | { |
Jan Engelhardt | 50dd096 | 2006-10-01 00:28:50 +0200 | [diff] [blame] | 542 | struct acpi_battery *battery = seq->private; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 543 | struct acpi_sbs *sbs = battery->sbs; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 544 | int result = 0; |
| 545 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 546 | mutex_lock(&sbs->lock); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 547 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 548 | seq_printf(seq, "present: %s\n", |
| 549 | (battery->present) ? "yes" : "no"); |
| 550 | if (!battery->present) |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 551 | goto end; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 552 | |
Alexey Starikovskiy | 5a21e4f | 2007-12-08 13:02:46 +0300 | [diff] [blame] | 553 | seq_printf(seq, "design capacity: %i%sh\n", |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 554 | battery->design_capacity * acpi_battery_scale(battery), |
| 555 | acpi_battery_units(battery)); |
Alexey Starikovskiy | 5a21e4f | 2007-12-08 13:02:46 +0300 | [diff] [blame] | 556 | seq_printf(seq, "last full capacity: %i%sh\n", |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 557 | battery->full_charge_capacity * acpi_battery_scale(battery), |
| 558 | acpi_battery_units(battery)); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 559 | seq_printf(seq, "battery technology: rechargeable\n"); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 560 | seq_printf(seq, "design voltage: %i mV\n", |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 561 | battery->design_voltage * acpi_battery_vscale(battery)); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 562 | seq_printf(seq, "design capacity warning: unknown\n"); |
| 563 | seq_printf(seq, "design capacity low: unknown\n"); |
Alexey Starikovskiy | 1669885 | 2009-10-15 14:31:37 +0400 | [diff] [blame] | 564 | seq_printf(seq, "cycle count: %i\n", battery->cycle_count); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 565 | seq_printf(seq, "capacity granularity 1: unknown\n"); |
| 566 | seq_printf(seq, "capacity granularity 2: unknown\n"); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 567 | seq_printf(seq, "model number: %s\n", battery->device_name); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 568 | seq_printf(seq, "serial number: %i\n", |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 569 | battery->serial_number); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 570 | seq_printf(seq, "battery type: %s\n", |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 571 | battery->device_chemistry); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 572 | seq_printf(seq, "OEM info: %s\n", |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 573 | battery->manufacturer_name); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 574 | end: |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 575 | mutex_unlock(&sbs->lock); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 576 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 577 | } |
| 578 | |
| 579 | static int acpi_battery_info_open_fs(struct inode *inode, struct file *file) |
| 580 | { |
| 581 | return single_open(file, acpi_battery_read_info, PDE(inode)->data); |
| 582 | } |
| 583 | |
| 584 | static int acpi_battery_read_state(struct seq_file *seq, void *offset) |
| 585 | { |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 586 | struct acpi_battery *battery = seq->private; |
| 587 | struct acpi_sbs *sbs = battery->sbs; |
Alexey Starikovskiy | 5a21e4f | 2007-12-08 13:02:46 +0300 | [diff] [blame] | 588 | int rate; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 589 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 590 | mutex_lock(&sbs->lock); |
| 591 | seq_printf(seq, "present: %s\n", |
| 592 | (battery->present) ? "yes" : "no"); |
| 593 | if (!battery->present) |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 594 | goto end; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 595 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 596 | acpi_battery_get_state(battery); |
| 597 | seq_printf(seq, "capacity state: %s\n", |
| 598 | (battery->state & 0x0010) ? "critical" : "ok"); |
| 599 | seq_printf(seq, "charging state: %s\n", |
Alexey Starikovskiy | 7faa144 | 2009-03-27 22:23:52 -0400 | [diff] [blame] | 600 | (battery->rate_now < 0) ? "discharging" : |
| 601 | ((battery->rate_now > 0) ? "charging" : "charged")); |
| 602 | rate = abs(battery->rate_now) * acpi_battery_ipscale(battery); |
Alexey Starikovskiy | 5a21e4f | 2007-12-08 13:02:46 +0300 | [diff] [blame] | 603 | rate *= (acpi_battery_mode(battery))?(battery->voltage_now * |
| 604 | acpi_battery_vscale(battery)/1000):1; |
| 605 | seq_printf(seq, "present rate: %d%s\n", rate, |
| 606 | acpi_battery_units(battery)); |
| 607 | seq_printf(seq, "remaining capacity: %i%sh\n", |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 608 | battery->capacity_now * acpi_battery_scale(battery), |
| 609 | acpi_battery_units(battery)); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 610 | seq_printf(seq, "present voltage: %i mV\n", |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 611 | battery->voltage_now * acpi_battery_vscale(battery)); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 612 | |
| 613 | end: |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 614 | mutex_unlock(&sbs->lock); |
Alexey Starikovskiy | 5a21e4f | 2007-12-08 13:02:46 +0300 | [diff] [blame] | 615 | return 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 616 | } |
| 617 | |
| 618 | static int acpi_battery_state_open_fs(struct inode *inode, struct file *file) |
| 619 | { |
| 620 | return single_open(file, acpi_battery_read_state, PDE(inode)->data); |
| 621 | } |
| 622 | |
| 623 | static int acpi_battery_read_alarm(struct seq_file *seq, void *offset) |
| 624 | { |
Jan Engelhardt | 50dd096 | 2006-10-01 00:28:50 +0200 | [diff] [blame] | 625 | struct acpi_battery *battery = seq->private; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 626 | struct acpi_sbs *sbs = battery->sbs; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 627 | int result = 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 628 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 629 | mutex_lock(&sbs->lock); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 630 | |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 631 | if (!battery->present) { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 632 | seq_printf(seq, "present: no\n"); |
| 633 | goto end; |
| 634 | } |
| 635 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 636 | acpi_battery_get_alarm(battery); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 637 | seq_printf(seq, "alarm: "); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 638 | if (battery->alarm_capacity) |
Alexey Starikovskiy | 5a21e4f | 2007-12-08 13:02:46 +0300 | [diff] [blame] | 639 | seq_printf(seq, "%i%sh\n", |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 640 | battery->alarm_capacity * |
| 641 | acpi_battery_scale(battery), |
| 642 | acpi_battery_units(battery)); |
| 643 | else |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 644 | seq_printf(seq, "disabled\n"); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 645 | end: |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 646 | mutex_unlock(&sbs->lock); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 647 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 648 | } |
| 649 | |
| 650 | static ssize_t |
| 651 | acpi_battery_write_alarm(struct file *file, const char __user * buffer, |
| 652 | size_t count, loff_t * ppos) |
| 653 | { |
Jan Engelhardt | 50dd096 | 2006-10-01 00:28:50 +0200 | [diff] [blame] | 654 | struct seq_file *seq = file->private_data; |
| 655 | struct acpi_battery *battery = seq->private; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 656 | struct acpi_sbs *sbs = battery->sbs; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 657 | char alarm_string[12] = { '\0' }; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 658 | int result = 0; |
| 659 | mutex_lock(&sbs->lock); |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 660 | if (!battery->present) { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 661 | result = -ENODEV; |
| 662 | goto end; |
| 663 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 664 | if (count > sizeof(alarm_string) - 1) { |
| 665 | result = -EINVAL; |
| 666 | goto end; |
| 667 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 668 | if (copy_from_user(alarm_string, buffer, count)) { |
| 669 | result = -EFAULT; |
| 670 | goto end; |
| 671 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 672 | alarm_string[count] = 0; |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 673 | battery->alarm_capacity = simple_strtoul(alarm_string, NULL, 0) / |
| 674 | acpi_battery_scale(battery); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 675 | acpi_battery_set_alarm(battery); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 676 | end: |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 677 | mutex_unlock(&sbs->lock); |
| 678 | if (result) |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 679 | return result; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 680 | return count; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 681 | } |
| 682 | |
| 683 | static int acpi_battery_alarm_open_fs(struct inode *inode, struct file *file) |
| 684 | { |
| 685 | return single_open(file, acpi_battery_read_alarm, PDE(inode)->data); |
| 686 | } |
| 687 | |
Jan Engelhardt | 070d8eb | 2009-01-12 00:07:55 +0100 | [diff] [blame] | 688 | static const struct file_operations acpi_battery_info_fops = { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 689 | .open = acpi_battery_info_open_fs, |
| 690 | .read = seq_read, |
| 691 | .llseek = seq_lseek, |
| 692 | .release = single_release, |
| 693 | .owner = THIS_MODULE, |
| 694 | }; |
| 695 | |
Jan Engelhardt | 070d8eb | 2009-01-12 00:07:55 +0100 | [diff] [blame] | 696 | static const struct file_operations acpi_battery_state_fops = { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 697 | .open = acpi_battery_state_open_fs, |
| 698 | .read = seq_read, |
| 699 | .llseek = seq_lseek, |
| 700 | .release = single_release, |
| 701 | .owner = THIS_MODULE, |
| 702 | }; |
| 703 | |
Jan Engelhardt | 070d8eb | 2009-01-12 00:07:55 +0100 | [diff] [blame] | 704 | static const struct file_operations acpi_battery_alarm_fops = { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 705 | .open = acpi_battery_alarm_open_fs, |
| 706 | .read = seq_read, |
| 707 | .write = acpi_battery_write_alarm, |
| 708 | .llseek = seq_lseek, |
| 709 | .release = single_release, |
| 710 | .owner = THIS_MODULE, |
| 711 | }; |
| 712 | |
| 713 | /* Legacy AC Adapter Interface */ |
| 714 | |
| 715 | static struct proc_dir_entry *acpi_ac_dir = NULL; |
| 716 | |
| 717 | static int acpi_ac_read_state(struct seq_file *seq, void *offset) |
| 718 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 719 | |
Jan Engelhardt | 50dd096 | 2006-10-01 00:28:50 +0200 | [diff] [blame] | 720 | struct acpi_sbs *sbs = seq->private; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 721 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 722 | mutex_lock(&sbs->lock); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 723 | |
| 724 | seq_printf(seq, "state: %s\n", |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 725 | sbs->charger_present ? "on-line" : "off-line"); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 726 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 727 | mutex_unlock(&sbs->lock); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 728 | return 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 729 | } |
| 730 | |
| 731 | static int acpi_ac_state_open_fs(struct inode *inode, struct file *file) |
| 732 | { |
| 733 | return single_open(file, acpi_ac_read_state, PDE(inode)->data); |
| 734 | } |
| 735 | |
Jan Engelhardt | 070d8eb | 2009-01-12 00:07:55 +0100 | [diff] [blame] | 736 | static const struct file_operations acpi_ac_state_fops = { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 737 | .open = acpi_ac_state_open_fs, |
| 738 | .read = seq_read, |
| 739 | .llseek = seq_lseek, |
| 740 | .release = single_release, |
| 741 | .owner = THIS_MODULE, |
| 742 | }; |
| 743 | |
Alexey Starikovskiy | 66e4b72 | 2007-09-26 19:43:54 +0400 | [diff] [blame] | 744 | #endif |
| 745 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 746 | /* -------------------------------------------------------------------------- |
| 747 | Driver Interface |
| 748 | -------------------------------------------------------------------------- */ |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 749 | static int acpi_battery_read(struct acpi_battery *battery) |
| 750 | { |
| 751 | int result = 0, saved_present = battery->present; |
| 752 | u16 state; |
| 753 | |
| 754 | if (battery->sbs->manager_present) { |
| 755 | result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD, |
| 756 | ACPI_SBS_MANAGER, 0x01, (u8 *)&state); |
| 757 | if (!result) |
| 758 | battery->present = state & (1 << battery->id); |
| 759 | state &= 0x0fff; |
| 760 | state |= 1 << (battery->id + 12); |
| 761 | acpi_smbus_write(battery->sbs->hc, SMBUS_WRITE_WORD, |
| 762 | ACPI_SBS_MANAGER, 0x01, (u8 *)&state, 2); |
| 763 | } else if (battery->id == 0) |
| 764 | battery->present = 1; |
| 765 | if (result || !battery->present) |
| 766 | return result; |
| 767 | |
| 768 | if (saved_present != battery->present) { |
| 769 | battery->update_time = 0; |
| 770 | result = acpi_battery_get_info(battery); |
| 771 | if (result) |
| 772 | return result; |
| 773 | } |
| 774 | result = acpi_battery_get_state(battery); |
| 775 | return result; |
| 776 | } |
| 777 | |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 778 | /* Smart Battery */ |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 779 | static int acpi_battery_add(struct acpi_sbs *sbs, int id) |
| 780 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 781 | struct acpi_battery *battery = &sbs->battery[id]; |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 782 | int result; |
| 783 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 784 | battery->id = id; |
| 785 | battery->sbs = sbs; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 786 | result = acpi_battery_read(battery); |
| 787 | if (result) |
| 788 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 789 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 790 | sprintf(battery->name, ACPI_BATTERY_DIR_NAME, id); |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 791 | #ifdef CONFIG_ACPI_PROCFS_POWER |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 792 | acpi_sbs_add_fs(&battery->proc_entry, acpi_battery_dir, |
| 793 | battery->name, &acpi_battery_info_fops, |
| 794 | &acpi_battery_state_fops, &acpi_battery_alarm_fops, |
| 795 | battery); |
Alexey Starikovskiy | 66e4b72 | 2007-09-26 19:43:54 +0400 | [diff] [blame] | 796 | #endif |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 797 | battery->bat.name = battery->name; |
| 798 | battery->bat.type = POWER_SUPPLY_TYPE_BATTERY; |
| 799 | if (!acpi_battery_mode(battery)) { |
| 800 | battery->bat.properties = sbs_charge_battery_props; |
| 801 | battery->bat.num_properties = |
| 802 | ARRAY_SIZE(sbs_charge_battery_props); |
| 803 | } else { |
| 804 | battery->bat.properties = sbs_energy_battery_props; |
| 805 | battery->bat.num_properties = |
| 806 | ARRAY_SIZE(sbs_energy_battery_props); |
| 807 | } |
| 808 | battery->bat.get_property = acpi_sbs_battery_get_property; |
| 809 | result = power_supply_register(&sbs->device->dev, &battery->bat); |
Jeff Garzik | 037cbc6 | 2007-11-18 00:32:31 +0300 | [diff] [blame] | 810 | if (result) |
| 811 | goto end; |
| 812 | result = device_create_file(battery->bat.dev, &alarm_attr); |
| 813 | if (result) |
| 814 | goto end; |
| 815 | battery->have_sysfs_alarm = 1; |
| 816 | end: |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 817 | printk(KERN_INFO PREFIX "%s [%s]: Battery Slot [%s] (battery %s)\n", |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 818 | ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device), |
Alexey Starikovskiy | bbafbec | 2008-02-09 03:22:13 -0500 | [diff] [blame] | 819 | battery->name, battery->present ? "present" : "absent"); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 820 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 821 | } |
| 822 | |
| 823 | static void acpi_battery_remove(struct acpi_sbs *sbs, int id) |
| 824 | { |
Jeff Garzik | 037cbc6 | 2007-11-18 00:32:31 +0300 | [diff] [blame] | 825 | struct acpi_battery *battery = &sbs->battery[id]; |
Rakib Mullick | c19bdb6 | 2010-01-03 19:27:56 +0600 | [diff] [blame] | 826 | |
Jeff Garzik | 037cbc6 | 2007-11-18 00:32:31 +0300 | [diff] [blame] | 827 | if (battery->bat.dev) { |
| 828 | if (battery->have_sysfs_alarm) |
| 829 | device_remove_file(battery->bat.dev, &alarm_attr); |
| 830 | power_supply_unregister(&battery->bat); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 831 | } |
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 | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 852 | sbs->charger.name = "sbs-charger"; |
| 853 | sbs->charger.type = POWER_SUPPLY_TYPE_MAINS; |
| 854 | sbs->charger.properties = sbs_ac_props; |
| 855 | sbs->charger.num_properties = ARRAY_SIZE(sbs_ac_props); |
| 856 | sbs->charger.get_property = sbs_get_ac_property; |
| 857 | power_supply_register(&sbs->device->dev, &sbs->charger); |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 858 | printk(KERN_INFO PREFIX "%s [%s]: AC Adapter [%s] (%s)\n", |
| 859 | ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device), |
Alexey Starikovskiy | 89862e3 | 2007-09-26 19:43:35 +0400 | [diff] [blame] | 860 | ACPI_AC_DIR_NAME, sbs->charger_present ? "on-line" : "off-line"); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 861 | end: |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 862 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 863 | } |
| 864 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 865 | static void acpi_charger_remove(struct acpi_sbs *sbs) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 866 | { |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 867 | if (sbs->charger.dev) |
| 868 | power_supply_unregister(&sbs->charger); |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 869 | #ifdef CONFIG_ACPI_PROCFS_POWER |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 870 | if (sbs->charger_entry) |
| 871 | acpi_sbs_remove_fs(&sbs->charger_entry, acpi_ac_dir); |
Alexey Starikovskiy | 66e4b72 | 2007-09-26 19:43:54 +0400 | [diff] [blame] | 872 | #endif |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 873 | } |
| 874 | |
Adrian Bunk | e5685b9 | 2007-10-24 18:24:42 +0200 | [diff] [blame] | 875 | static void acpi_sbs_callback(void *context) |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 876 | { |
| 877 | int id; |
| 878 | struct acpi_sbs *sbs = context; |
| 879 | struct acpi_battery *bat; |
| 880 | u8 saved_charger_state = sbs->charger_present; |
| 881 | u8 saved_battery_state; |
| 882 | acpi_ac_get_present(sbs); |
| 883 | if (sbs->charger_present != saved_charger_state) { |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 884 | #ifdef CONFIG_ACPI_PROC_EVENT |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 885 | acpi_bus_generate_proc_event4(ACPI_AC_CLASS, ACPI_AC_DIR_NAME, |
| 886 | ACPI_SBS_NOTIFY_STATUS, |
| 887 | sbs->charger_present); |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 888 | #endif |
| 889 | kobject_uevent(&sbs->charger.dev->kobj, KOBJ_CHANGE); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 890 | } |
| 891 | if (sbs->manager_present) { |
| 892 | for (id = 0; id < MAX_SBS_BAT; ++id) { |
| 893 | if (!(sbs->batteries_supported & (1 << id))) |
| 894 | continue; |
| 895 | bat = &sbs->battery[id]; |
| 896 | saved_battery_state = bat->present; |
| 897 | acpi_battery_read(bat); |
| 898 | if (saved_battery_state == bat->present) |
| 899 | continue; |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 900 | #ifdef CONFIG_ACPI_PROC_EVENT |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 901 | acpi_bus_generate_proc_event4(ACPI_BATTERY_CLASS, |
| 902 | bat->name, |
| 903 | ACPI_SBS_NOTIFY_STATUS, |
| 904 | bat->present); |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 905 | #endif |
| 906 | kobject_uevent(&bat->bat.dev->kobj, KOBJ_CHANGE); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 907 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 908 | } |
| 909 | } |
| 910 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 911 | static int acpi_sbs_add(struct acpi_device *device) |
| 912 | { |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 913 | struct acpi_sbs *sbs; |
| 914 | int result = 0; |
Vladimir Lebedev | 6d15702 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 915 | int id; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 916 | |
Burman Yan | 36bcbec | 2006-12-19 12:56:11 -0800 | [diff] [blame] | 917 | sbs = kzalloc(sizeof(struct acpi_sbs), GFP_KERNEL); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 918 | if (!sbs) { |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 919 | result = -ENOMEM; |
| 920 | goto end; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 921 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 922 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 923 | mutex_init(&sbs->lock); |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 924 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame] | 925 | sbs->hc = acpi_driver_data(device->parent); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 926 | sbs->device = device; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 927 | strcpy(acpi_device_name(device), ACPI_SBS_DEVICE_NAME); |
| 928 | strcpy(acpi_device_class(device), ACPI_SBS_CLASS); |
Pavel Machek | db89b4f | 2008-09-22 14:37:34 -0700 | [diff] [blame] | 929 | device->driver_data = sbs; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 930 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 931 | result = acpi_charger_add(sbs); |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 932 | if (result) |
| 933 | goto end; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 934 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 935 | result = acpi_manager_get_info(sbs); |
| 936 | if (!result) { |
| 937 | sbs->manager_present = 1; |
| 938 | for (id = 0; id < MAX_SBS_BAT; ++id) |
| 939 | if ((sbs->batteries_supported & (1 << id))) |
| 940 | acpi_battery_add(sbs, id); |
| 941 | } else |
| 942 | acpi_battery_add(sbs, 0); |
| 943 | acpi_smbus_register_callback(sbs->hc, acpi_sbs_callback, sbs); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 944 | end: |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 945 | if (result) |
| 946 | acpi_sbs_remove(device, 0); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 947 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 948 | } |
| 949 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 950 | static int acpi_sbs_remove(struct acpi_device *device, int type) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 951 | { |
Len Brown | cece901 | 2006-12-16 01:04:27 -0500 | [diff] [blame] | 952 | struct acpi_sbs *sbs; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 953 | int id; |
| 954 | |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 955 | if (!device) |
Lebedev, Vladimir P | 963497c | 2006-09-05 19:49:13 +0400 | [diff] [blame] | 956 | return -EINVAL; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 957 | sbs = acpi_driver_data(device); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 958 | if (!sbs) |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 959 | return -EINVAL; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 960 | mutex_lock(&sbs->lock); |
| 961 | acpi_smbus_unregister_callback(sbs->hc); |
| 962 | for (id = 0; id < MAX_SBS_BAT; ++id) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 963 | acpi_battery_remove(sbs, id); |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 964 | acpi_charger_remove(sbs); |
| 965 | mutex_unlock(&sbs->lock); |
| 966 | mutex_destroy(&sbs->lock); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 967 | kfree(sbs); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 968 | return 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 969 | } |
| 970 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 971 | static void acpi_sbs_rmdirs(void) |
| 972 | { |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 973 | #ifdef CONFIG_ACPI_PROCFS_POWER |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 974 | if (acpi_ac_dir) { |
| 975 | acpi_unlock_ac_dir(acpi_ac_dir); |
| 976 | acpi_ac_dir = NULL; |
| 977 | } |
| 978 | if (acpi_battery_dir) { |
| 979 | acpi_unlock_battery_dir(acpi_battery_dir); |
| 980 | acpi_battery_dir = NULL; |
| 981 | } |
Alexey Starikovskiy | 66e4b72 | 2007-09-26 19:43:54 +0400 | [diff] [blame] | 982 | #endif |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 983 | } |
| 984 | |
| 985 | static int acpi_sbs_resume(struct acpi_device *device) |
| 986 | { |
| 987 | struct acpi_sbs *sbs; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 988 | if (!device) |
| 989 | return -EINVAL; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 990 | sbs = device->driver_data; |
Alexey Starikovskiy | db1c291 | 2007-09-26 19:43:41 +0400 | [diff] [blame] | 991 | acpi_sbs_callback(sbs); |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 992 | return 0; |
| 993 | } |
| 994 | |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 995 | static struct acpi_driver acpi_sbs_driver = { |
| 996 | .name = "sbs", |
| 997 | .class = ACPI_SBS_CLASS, |
| 998 | .ids = sbs_device_ids, |
| 999 | .ops = { |
| 1000 | .add = acpi_sbs_add, |
| 1001 | .remove = acpi_sbs_remove, |
| 1002 | .resume = acpi_sbs_resume, |
| 1003 | }, |
| 1004 | }; |
| 1005 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1006 | static int __init acpi_sbs_init(void) |
| 1007 | { |
| 1008 | int result = 0; |
| 1009 | |
Len Brown | b20d2ae | 2006-08-15 23:21:37 -0400 | [diff] [blame] | 1010 | if (acpi_disabled) |
| 1011 | return -ENODEV; |
Alexey Starikovskiy | fdcedbb | 2007-11-19 16:33:45 +0300 | [diff] [blame] | 1012 | #ifdef CONFIG_ACPI_PROCFS_POWER |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1013 | acpi_ac_dir = acpi_lock_ac_dir(); |
Alexey Starikovskiy | 94f6c08 | 2007-09-26 19:43:48 +0400 | [diff] [blame] | 1014 | if (!acpi_ac_dir) |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1015 | return -ENODEV; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1016 | acpi_battery_dir = acpi_lock_battery_dir(); |
| 1017 | if (!acpi_battery_dir) { |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1018 | acpi_sbs_rmdirs(); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1019 | return -ENODEV; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1020 | } |
Alexey Starikovskiy | 66e4b72 | 2007-09-26 19:43:54 +0400 | [diff] [blame] | 1021 | #endif |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1022 | result = acpi_bus_register_driver(&acpi_sbs_driver); |
| 1023 | if (result < 0) { |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1024 | acpi_sbs_rmdirs(); |
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 | } |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1027 | return 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1028 | } |
| 1029 | |
| 1030 | static void __exit acpi_sbs_exit(void) |
| 1031 | { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1032 | acpi_bus_unregister_driver(&acpi_sbs_driver); |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1033 | acpi_sbs_rmdirs(); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1034 | return; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1035 | } |
| 1036 | |
| 1037 | module_init(acpi_sbs_init); |
| 1038 | module_exit(acpi_sbs_exit); |