Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1 | /* |
| 2 | * acpi_sbs.c - ACPI Smart Battery System Driver ($Revision: 1.16 $) |
| 3 | * |
| 4 | * Copyright (c) 2005 Rich Townsend <rhdt@bartol.udel.edu> |
| 5 | * |
| 6 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or (at |
| 11 | * your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, but |
| 14 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 16 | * General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License along |
| 19 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 20 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. |
| 21 | * |
| 22 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 23 | */ |
| 24 | |
| 25 | #include <linux/init.h> |
| 26 | #include <linux/module.h> |
| 27 | #include <linux/moduleparam.h> |
| 28 | #include <linux/kernel.h> |
| 29 | #include <linux/proc_fs.h> |
| 30 | #include <linux/seq_file.h> |
| 31 | #include <asm/uaccess.h> |
| 32 | #include <linux/acpi.h> |
Vladimir Lebedev | 6d15702 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 33 | #include <linux/timer.h> |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 34 | #include <linux/jiffies.h> |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 35 | #include <linux/delay.h> |
| 36 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 37 | #include "sbshc.h" |
| 38 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 39 | #define ACPI_SBS_COMPONENT 0x00080000 |
| 40 | #define ACPI_SBS_CLASS "sbs" |
| 41 | #define ACPI_AC_CLASS "ac_adapter" |
| 42 | #define ACPI_BATTERY_CLASS "battery" |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 43 | #define ACPI_SBS_DEVICE_NAME "Smart Battery System" |
| 44 | #define ACPI_SBS_FILE_INFO "info" |
| 45 | #define ACPI_SBS_FILE_STATE "state" |
| 46 | #define ACPI_SBS_FILE_ALARM "alarm" |
| 47 | #define ACPI_BATTERY_DIR_NAME "BAT%i" |
| 48 | #define ACPI_AC_DIR_NAME "AC0" |
| 49 | #define ACPI_SBC_SMBUS_ADDR 0x9 |
| 50 | #define ACPI_SBSM_SMBUS_ADDR 0xa |
| 51 | #define ACPI_SB_SMBUS_ADDR 0xb |
| 52 | #define ACPI_SBS_AC_NOTIFY_STATUS 0x80 |
| 53 | #define ACPI_SBS_BATTERY_NOTIFY_STATUS 0x80 |
| 54 | #define ACPI_SBS_BATTERY_NOTIFY_INFO 0x81 |
| 55 | |
| 56 | #define _COMPONENT ACPI_SBS_COMPONENT |
| 57 | |
Len Brown | f52fd66 | 2007-02-12 22:42:12 -0500 | [diff] [blame] | 58 | ACPI_MODULE_NAME("sbs"); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 59 | |
| 60 | MODULE_AUTHOR("Rich Townsend"); |
| 61 | MODULE_DESCRIPTION("Smart Battery System ACPI interface driver"); |
| 62 | MODULE_LICENSE("GPL"); |
| 63 | |
Vladimir Lebedev | 6d15702 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 64 | #define DEF_CAPACITY_UNIT 3 |
| 65 | #define MAH_CAPACITY_UNIT 1 |
| 66 | #define MWH_CAPACITY_UNIT 2 |
| 67 | #define CAPACITY_UNIT DEF_CAPACITY_UNIT |
| 68 | |
| 69 | #define REQUEST_UPDATE_MODE 1 |
| 70 | #define QUEUE_UPDATE_MODE 2 |
| 71 | |
| 72 | #define DATA_TYPE_COMMON 0 |
| 73 | #define DATA_TYPE_INFO 1 |
| 74 | #define DATA_TYPE_STATE 2 |
| 75 | #define DATA_TYPE_ALARM 3 |
| 76 | #define DATA_TYPE_AC_STATE 4 |
| 77 | |
| 78 | extern struct proc_dir_entry *acpi_lock_ac_dir(void); |
| 79 | extern struct proc_dir_entry *acpi_lock_battery_dir(void); |
| 80 | extern void acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir); |
| 81 | extern void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir); |
| 82 | |
| 83 | #define MAX_SBS_BAT 4 |
| 84 | #define ACPI_SBS_BLOCK_MAX 32 |
| 85 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 86 | #define UPDATE_DELAY 10 |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 87 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 88 | /* 0 - every time, > 0 - by update_time */ |
| 89 | static unsigned int update_time = 120; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 90 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 91 | static unsigned int capacity_mode = CAPACITY_UNIT; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 92 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 93 | module_param(update_time, uint, 0644); |
| 94 | module_param(capacity_mode, uint, 0444); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 95 | |
| 96 | static int acpi_sbs_add(struct acpi_device *device); |
| 97 | static int acpi_sbs_remove(struct acpi_device *device, int type); |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 98 | static int acpi_sbs_resume(struct acpi_device *device); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 99 | |
Thomas Renninger | 1ba90e3 | 2007-07-23 14:44:41 +0200 | [diff] [blame] | 100 | static const struct acpi_device_id sbs_device_ids[] = { |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 101 | {"ACPI0002", 0}, |
Thomas Renninger | 1ba90e3 | 2007-07-23 14:44:41 +0200 | [diff] [blame] | 102 | {"", 0}, |
| 103 | }; |
| 104 | MODULE_DEVICE_TABLE(acpi, sbs_device_ids); |
| 105 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 106 | static struct acpi_driver acpi_sbs_driver = { |
Len Brown | c2b6705b | 2007-02-12 23:33:40 -0500 | [diff] [blame] | 107 | .name = "sbs", |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 108 | .class = ACPI_SBS_CLASS, |
Thomas Renninger | 1ba90e3 | 2007-07-23 14:44:41 +0200 | [diff] [blame] | 109 | .ids = sbs_device_ids, |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 110 | .ops = { |
| 111 | .add = acpi_sbs_add, |
| 112 | .remove = acpi_sbs_remove, |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 113 | .resume = acpi_sbs_resume, |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 114 | }, |
| 115 | }; |
| 116 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 117 | struct acpi_ac { |
| 118 | int ac_present; |
| 119 | }; |
| 120 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 121 | struct acpi_battery_info { |
| 122 | int capacity_mode; |
| 123 | s16 full_charge_capacity; |
| 124 | s16 design_capacity; |
| 125 | s16 design_voltage; |
| 126 | int vscale; |
| 127 | int ipscale; |
| 128 | s16 serial_number; |
Vladimir Lebedev | 6d15702 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 129 | char manufacturer_name[ACPI_SBS_BLOCK_MAX + 3]; |
| 130 | char device_name[ACPI_SBS_BLOCK_MAX + 3]; |
| 131 | char device_chemistry[ACPI_SBS_BLOCK_MAX + 3]; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 132 | }; |
| 133 | |
| 134 | struct acpi_battery_state { |
| 135 | s16 voltage; |
| 136 | s16 amperage; |
| 137 | s16 remaining_capacity; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 138 | s16 battery_state; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 139 | }; |
| 140 | |
| 141 | struct acpi_battery_alarm { |
| 142 | s16 remaining_capacity; |
| 143 | }; |
| 144 | |
| 145 | struct acpi_battery { |
| 146 | int alive; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 147 | int id; |
| 148 | int init_state; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 149 | int battery_present; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 150 | struct acpi_sbs *sbs; |
| 151 | struct acpi_battery_info info; |
| 152 | struct acpi_battery_state state; |
| 153 | struct acpi_battery_alarm alarm; |
| 154 | struct proc_dir_entry *battery_entry; |
| 155 | }; |
| 156 | |
| 157 | struct acpi_sbs { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 158 | struct acpi_device *device; |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 159 | struct acpi_smb_hc *hc; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 160 | struct mutex mutex; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 161 | int sbsm_present; |
| 162 | int sbsm_batteries_supported; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 163 | struct proc_dir_entry *ac_entry; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 164 | struct acpi_ac ac; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 165 | struct acpi_battery battery[MAX_SBS_BAT]; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 166 | int zombie; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 167 | struct timer_list update_timer; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 168 | int run_cnt; |
| 169 | int update_proc_flg; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 170 | }; |
| 171 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 172 | static int acpi_sbs_update_run(struct acpi_sbs *sbs, int id, int data_type); |
| 173 | static void acpi_sbs_update_time(void *data); |
| 174 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 175 | static int sbs_zombie(struct acpi_sbs *sbs) |
| 176 | { |
| 177 | return (sbs->zombie); |
| 178 | } |
| 179 | |
| 180 | static int sbs_mutex_lock(struct acpi_sbs *sbs) |
| 181 | { |
| 182 | if (sbs_zombie(sbs)) { |
| 183 | return -ENODEV; |
| 184 | } |
| 185 | mutex_lock(&sbs->mutex); |
| 186 | return 0; |
| 187 | } |
| 188 | |
| 189 | static void sbs_mutex_unlock(struct acpi_sbs *sbs) |
| 190 | { |
| 191 | mutex_unlock(&sbs->mutex); |
| 192 | } |
| 193 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 194 | /* -------------------------------------------------------------------------- |
| 195 | Smart Battery System Management |
| 196 | -------------------------------------------------------------------------- */ |
| 197 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 198 | static int acpi_check_update_proc(struct acpi_sbs *sbs) |
| 199 | { |
| 200 | acpi_status status = AE_OK; |
| 201 | |
| 202 | if (update_time == 0) { |
| 203 | sbs->update_proc_flg = 0; |
| 204 | return 0; |
| 205 | } |
| 206 | if (sbs->update_proc_flg == 0) { |
| 207 | status = acpi_os_execute(OSL_GPE_HANDLER, |
| 208 | acpi_sbs_update_time, sbs); |
| 209 | if (status != AE_OK) { |
| 210 | ACPI_EXCEPTION((AE_INFO, status, |
| 211 | "acpi_os_execute() failed")); |
| 212 | return 1; |
| 213 | } |
| 214 | sbs->update_proc_flg = 1; |
| 215 | } |
| 216 | return 0; |
| 217 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 218 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 219 | static int acpi_battery_get_present(struct acpi_battery *battery) |
| 220 | { |
| 221 | s16 state; |
| 222 | int result = 0; |
| 223 | int is_present = 0; |
| 224 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 225 | result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD, |
| 226 | ACPI_SBSM_SMBUS_ADDR, 0x01, (u8 *)&state); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 227 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 228 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 229 | "acpi_smbus_read() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 230 | } |
| 231 | if (!result) { |
| 232 | is_present = (state & 0x000f) & (1 << battery->id); |
| 233 | } |
| 234 | battery->battery_present = is_present; |
| 235 | |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 236 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 237 | } |
| 238 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 239 | static int acpi_battery_select(struct acpi_battery *battery) |
| 240 | { |
Vladimir Lebedev | 6d15702 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 241 | struct acpi_sbs *sbs = battery->sbs; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 242 | int result = 0; |
| 243 | s16 state; |
| 244 | int foo; |
| 245 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 246 | if (sbs->sbsm_present) { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 247 | |
| 248 | /* Take special care not to knobble other nibbles of |
| 249 | * state (aka selector_state), since |
| 250 | * it causes charging to halt on SBSELs */ |
| 251 | |
| 252 | result = |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 253 | acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD, ACPI_SBSM_SMBUS_ADDR, 0x01, (u8 *)&state); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 254 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 255 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 256 | "acpi_smbus_read() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 257 | goto end; |
| 258 | } |
| 259 | |
| 260 | foo = (state & 0x0fff) | (1 << (battery->id + 12)); |
| 261 | result = |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 262 | acpi_smbus_write(battery->sbs->hc, SMBUS_WRITE_WORD, ACPI_SBSM_SMBUS_ADDR, 0x01, (u8 *)&foo, 2); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 263 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 264 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 265 | "acpi_smbus_write() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 266 | goto end; |
| 267 | } |
| 268 | } |
| 269 | |
| 270 | end: |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 271 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 272 | } |
| 273 | |
| 274 | static int acpi_sbsm_get_info(struct acpi_sbs *sbs) |
| 275 | { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 276 | int result = 0; |
| 277 | s16 battery_system_info; |
| 278 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 279 | result = acpi_smbus_read(sbs->hc, SMBUS_READ_WORD, ACPI_SBSM_SMBUS_ADDR, 0x04, |
| 280 | (u8 *)&battery_system_info); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 281 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 282 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 283 | "acpi_smbus_read() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 284 | goto end; |
| 285 | } |
Alexey Starikovskiy | addad45 | 2007-06-23 16:24:48 -0400 | [diff] [blame] | 286 | sbs->sbsm_present = 1; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 287 | sbs->sbsm_batteries_supported = battery_system_info & 0x000f; |
| 288 | |
| 289 | end: |
| 290 | |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 291 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 292 | } |
| 293 | |
| 294 | static int acpi_battery_get_info(struct acpi_battery *battery) |
| 295 | { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 296 | int result = 0; |
| 297 | s16 battery_mode; |
| 298 | s16 specification_info; |
| 299 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 300 | result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD, ACPI_SB_SMBUS_ADDR, 0x03, |
| 301 | (u8 *)&battery_mode); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 302 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 303 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 304 | "acpi_smbus_read() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 305 | goto end; |
| 306 | } |
| 307 | battery->info.capacity_mode = (battery_mode & 0x8000) >> 15; |
| 308 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 309 | result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD, ACPI_SB_SMBUS_ADDR, 0x10, |
| 310 | (u8 *)&battery->info.full_charge_capacity); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 311 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 312 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 313 | "acpi_smbus_read() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 314 | goto end; |
| 315 | } |
| 316 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 317 | result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD, ACPI_SB_SMBUS_ADDR, 0x18, |
| 318 | (u8 *)&battery->info.design_capacity); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 319 | |
| 320 | if (result) { |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 321 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 322 | "acpi_smbus_read() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 323 | goto end; |
| 324 | } |
| 325 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 326 | result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD, ACPI_SB_SMBUS_ADDR, 0x19, |
| 327 | (u8 *)&battery->info.design_voltage); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 328 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 329 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 330 | "acpi_smbus_read() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 331 | goto end; |
| 332 | } |
| 333 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 334 | result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD, ACPI_SB_SMBUS_ADDR, 0x1a, |
| 335 | (u8 *)&specification_info); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 336 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 337 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 338 | "acpi_smbus_read() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 339 | goto end; |
| 340 | } |
| 341 | |
| 342 | switch ((specification_info & 0x0f00) >> 8) { |
| 343 | case 1: |
| 344 | battery->info.vscale = 10; |
| 345 | break; |
| 346 | case 2: |
| 347 | battery->info.vscale = 100; |
| 348 | break; |
| 349 | case 3: |
| 350 | battery->info.vscale = 1000; |
| 351 | break; |
| 352 | default: |
| 353 | battery->info.vscale = 1; |
| 354 | } |
| 355 | |
| 356 | switch ((specification_info & 0xf000) >> 12) { |
| 357 | case 1: |
| 358 | battery->info.ipscale = 10; |
| 359 | break; |
| 360 | case 2: |
| 361 | battery->info.ipscale = 100; |
| 362 | break; |
| 363 | case 3: |
| 364 | battery->info.ipscale = 1000; |
| 365 | break; |
| 366 | default: |
| 367 | battery->info.ipscale = 1; |
| 368 | } |
| 369 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 370 | result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD, ACPI_SB_SMBUS_ADDR, 0x1c, |
| 371 | (u8 *)&battery->info.serial_number); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 372 | if (result) { |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 373 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 374 | "acpi_smbus_read() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 375 | goto end; |
| 376 | } |
| 377 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 378 | result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_BLOCK, ACPI_SB_SMBUS_ADDR, 0x20, |
| 379 | (u8 *)battery->info.manufacturer_name); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 380 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 381 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 382 | "acpi_sbs_read_str() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 383 | goto end; |
| 384 | } |
| 385 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 386 | result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_BLOCK, ACPI_SB_SMBUS_ADDR, 0x21, |
| 387 | (u8 *)battery->info.device_name); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 388 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 389 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 390 | "acpi_sbs_read_str() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 391 | goto end; |
| 392 | } |
| 393 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 394 | result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_BLOCK, ACPI_SB_SMBUS_ADDR, 0x22, |
| 395 | (u8 *)battery->info.device_chemistry); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 396 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 397 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 398 | "acpi_sbs_read_str() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 399 | goto end; |
| 400 | } |
| 401 | |
| 402 | end: |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 403 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 404 | } |
| 405 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 406 | static int acpi_battery_get_state(struct acpi_battery *battery) |
| 407 | { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 408 | int result = 0; |
| 409 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 410 | result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD, ACPI_SB_SMBUS_ADDR, 0x09, |
| 411 | (u8 *)&battery->state.voltage); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 412 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 413 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 414 | "acpi_smbus_read() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 415 | goto end; |
| 416 | } |
| 417 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 418 | result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD, ACPI_SB_SMBUS_ADDR, 0x0a, |
| 419 | (u8 *)&battery->state.amperage); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 420 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 421 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 422 | "acpi_smbus_read() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 423 | goto end; |
| 424 | } |
| 425 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 426 | result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD, ACPI_SB_SMBUS_ADDR, 0x0f, |
| 427 | (u8 *)&battery->state.remaining_capacity); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 428 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 429 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 430 | "acpi_smbus_read() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 431 | goto end; |
| 432 | } |
| 433 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 434 | result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD, ACPI_SB_SMBUS_ADDR, 0x16, |
| 435 | (u8 *)&battery->state.battery_state); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 436 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 437 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 438 | "acpi_smbus_read() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 439 | goto end; |
| 440 | } |
| 441 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 442 | end: |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 443 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 444 | } |
| 445 | |
| 446 | static int acpi_battery_get_alarm(struct acpi_battery *battery) |
| 447 | { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 448 | int result = 0; |
| 449 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 450 | result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD, ACPI_SB_SMBUS_ADDR, 0x01, |
| 451 | (u8 *)&battery->alarm.remaining_capacity); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 452 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 453 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 454 | "acpi_smbus_read() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 455 | goto end; |
| 456 | } |
| 457 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 458 | end: |
| 459 | |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 460 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 461 | } |
| 462 | |
| 463 | static int acpi_battery_set_alarm(struct acpi_battery *battery, |
| 464 | unsigned long alarm) |
| 465 | { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 466 | int result = 0; |
| 467 | s16 battery_mode; |
| 468 | int foo; |
| 469 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 470 | result = acpi_battery_select(battery); |
| 471 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 472 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 473 | "acpi_battery_select() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 474 | goto end; |
| 475 | } |
| 476 | |
| 477 | /* If necessary, enable the alarm */ |
| 478 | |
| 479 | if (alarm > 0) { |
| 480 | result = |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 481 | acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD, ACPI_SB_SMBUS_ADDR, 0x03, |
| 482 | (u8 *)&battery_mode); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 483 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 484 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 485 | "acpi_smbus_read() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 486 | goto end; |
| 487 | } |
| 488 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 489 | battery_mode &= 0xbfff; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 490 | result = |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 491 | acpi_smbus_write(battery->sbs->hc, SMBUS_READ_WORD, ACPI_SB_SMBUS_ADDR, 0x01, |
| 492 | (u8 *)&battery_mode, 2); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 493 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 494 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 495 | "acpi_smbus_write() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 496 | goto end; |
| 497 | } |
| 498 | } |
| 499 | |
| 500 | foo = alarm / (battery->info.capacity_mode ? 10 : 1); |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 501 | result = acpi_smbus_write(battery->sbs->hc, SMBUS_READ_WORD, ACPI_SB_SMBUS_ADDR, 0x01, (u8 *)&foo, 2); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 502 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 503 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 504 | "acpi_smbus_write() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 505 | goto end; |
| 506 | } |
| 507 | |
| 508 | end: |
| 509 | |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 510 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 511 | } |
| 512 | |
| 513 | static int acpi_battery_set_mode(struct acpi_battery *battery) |
| 514 | { |
| 515 | int result = 0; |
| 516 | s16 battery_mode; |
| 517 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 518 | if (capacity_mode == DEF_CAPACITY_UNIT) { |
| 519 | goto end; |
| 520 | } |
| 521 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 522 | result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD, |
| 523 | ACPI_SB_SMBUS_ADDR, 0x03, (u8 *)&battery_mode); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 524 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 525 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 526 | "acpi_smbus_read() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 527 | goto end; |
| 528 | } |
| 529 | |
| 530 | if (capacity_mode == MAH_CAPACITY_UNIT) { |
| 531 | battery_mode &= 0x7fff; |
| 532 | } else { |
| 533 | battery_mode |= 0x8000; |
| 534 | } |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 535 | result = acpi_smbus_write(battery->sbs->hc, SMBUS_READ_WORD, |
| 536 | ACPI_SB_SMBUS_ADDR, 0x03, (u8 *)&battery_mode, 2); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 537 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 538 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 539 | "acpi_smbus_write() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 540 | goto end; |
| 541 | } |
| 542 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 543 | result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD, |
| 544 | ACPI_SB_SMBUS_ADDR, 0x03, (u8 *)&battery_mode); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 545 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 546 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 547 | "acpi_smbus_read() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 548 | goto end; |
| 549 | } |
| 550 | |
| 551 | end: |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 552 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 553 | } |
| 554 | |
| 555 | static int acpi_battery_init(struct acpi_battery *battery) |
| 556 | { |
| 557 | int result = 0; |
| 558 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 559 | result = acpi_battery_select(battery); |
| 560 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 561 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 562 | "acpi_battery_select() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 563 | goto end; |
| 564 | } |
| 565 | |
| 566 | result = acpi_battery_set_mode(battery); |
| 567 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 568 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 569 | "acpi_battery_set_mode() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 570 | goto end; |
| 571 | } |
| 572 | |
| 573 | result = acpi_battery_get_info(battery); |
| 574 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 575 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 576 | "acpi_battery_get_info() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 577 | goto end; |
| 578 | } |
| 579 | |
| 580 | result = acpi_battery_get_state(battery); |
| 581 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 582 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 583 | "acpi_battery_get_state() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 584 | goto end; |
| 585 | } |
| 586 | |
| 587 | result = acpi_battery_get_alarm(battery); |
| 588 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 589 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 590 | "acpi_battery_get_alarm() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 591 | goto end; |
| 592 | } |
| 593 | |
| 594 | end: |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 595 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 596 | } |
| 597 | |
| 598 | static int acpi_ac_get_present(struct acpi_sbs *sbs) |
| 599 | { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 600 | int result = 0; |
| 601 | s16 charger_status; |
| 602 | |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 603 | result = acpi_smbus_read(sbs->hc, SMBUS_READ_WORD, ACPI_SBC_SMBUS_ADDR, 0x13, |
| 604 | (u8 *)&charger_status); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 605 | |
| 606 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 607 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 608 | "acpi_smbus_read() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 609 | goto end; |
| 610 | } |
| 611 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 612 | sbs->ac.ac_present = (charger_status & 0x8000) >> 15; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 613 | |
| 614 | end: |
| 615 | |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 616 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 617 | } |
| 618 | |
| 619 | /* -------------------------------------------------------------------------- |
| 620 | FS Interface (/proc/acpi) |
| 621 | -------------------------------------------------------------------------- */ |
| 622 | |
| 623 | /* Generic Routines */ |
| 624 | |
| 625 | static int |
| 626 | acpi_sbs_generic_add_fs(struct proc_dir_entry **dir, |
| 627 | struct proc_dir_entry *parent_dir, |
| 628 | char *dir_name, |
| 629 | struct file_operations *info_fops, |
| 630 | struct file_operations *state_fops, |
| 631 | struct file_operations *alarm_fops, void *data) |
| 632 | { |
| 633 | struct proc_dir_entry *entry = NULL; |
| 634 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 635 | if (!*dir) { |
| 636 | *dir = proc_mkdir(dir_name, parent_dir); |
| 637 | if (!*dir) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 638 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 639 | "proc_mkdir() failed")); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 640 | return -ENODEV; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 641 | } |
| 642 | (*dir)->owner = THIS_MODULE; |
| 643 | } |
| 644 | |
| 645 | /* 'info' [R] */ |
| 646 | if (info_fops) { |
| 647 | entry = create_proc_entry(ACPI_SBS_FILE_INFO, S_IRUGO, *dir); |
| 648 | if (!entry) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 649 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 650 | "create_proc_entry() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 651 | } else { |
| 652 | entry->proc_fops = info_fops; |
| 653 | entry->data = data; |
| 654 | entry->owner = THIS_MODULE; |
| 655 | } |
| 656 | } |
| 657 | |
| 658 | /* 'state' [R] */ |
| 659 | if (state_fops) { |
| 660 | entry = create_proc_entry(ACPI_SBS_FILE_STATE, S_IRUGO, *dir); |
| 661 | if (!entry) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 662 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 663 | "create_proc_entry() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 664 | } else { |
| 665 | entry->proc_fops = state_fops; |
| 666 | entry->data = data; |
| 667 | entry->owner = THIS_MODULE; |
| 668 | } |
| 669 | } |
| 670 | |
| 671 | /* 'alarm' [R/W] */ |
| 672 | if (alarm_fops) { |
| 673 | entry = create_proc_entry(ACPI_SBS_FILE_ALARM, S_IRUGO, *dir); |
| 674 | if (!entry) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 675 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 676 | "create_proc_entry() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 677 | } else { |
| 678 | entry->proc_fops = alarm_fops; |
| 679 | entry->data = data; |
| 680 | entry->owner = THIS_MODULE; |
| 681 | } |
| 682 | } |
| 683 | |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 684 | return 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 685 | } |
| 686 | |
| 687 | static void |
| 688 | acpi_sbs_generic_remove_fs(struct proc_dir_entry **dir, |
| 689 | struct proc_dir_entry *parent_dir) |
| 690 | { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 691 | |
| 692 | if (*dir) { |
| 693 | remove_proc_entry(ACPI_SBS_FILE_INFO, *dir); |
| 694 | remove_proc_entry(ACPI_SBS_FILE_STATE, *dir); |
| 695 | remove_proc_entry(ACPI_SBS_FILE_ALARM, *dir); |
| 696 | remove_proc_entry((*dir)->name, parent_dir); |
| 697 | *dir = NULL; |
| 698 | } |
| 699 | |
| 700 | } |
| 701 | |
| 702 | /* Smart Battery Interface */ |
| 703 | |
| 704 | static struct proc_dir_entry *acpi_battery_dir = NULL; |
| 705 | |
| 706 | static int acpi_battery_read_info(struct seq_file *seq, void *offset) |
| 707 | { |
Jan Engelhardt | 50dd096 | 2006-10-01 00:28:50 +0200 | [diff] [blame] | 708 | struct acpi_battery *battery = seq->private; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 709 | struct acpi_sbs *sbs = battery->sbs; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 710 | int cscale; |
| 711 | int result = 0; |
| 712 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 713 | if (sbs_mutex_lock(sbs)) { |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 714 | return -ENODEV; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 715 | } |
| 716 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 717 | result = acpi_check_update_proc(sbs); |
| 718 | if (result) |
| 719 | goto end; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 720 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 721 | if (update_time == 0) { |
| 722 | result = acpi_sbs_update_run(sbs, battery->id, DATA_TYPE_INFO); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 723 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 724 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 725 | "acpi_sbs_update_run() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 726 | } |
| 727 | } |
| 728 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 729 | if (battery->battery_present) { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 730 | seq_printf(seq, "present: yes\n"); |
| 731 | } else { |
| 732 | seq_printf(seq, "present: no\n"); |
| 733 | goto end; |
| 734 | } |
| 735 | |
| 736 | if (battery->info.capacity_mode) { |
| 737 | cscale = battery->info.vscale * battery->info.ipscale; |
| 738 | } else { |
| 739 | cscale = battery->info.ipscale; |
| 740 | } |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 741 | seq_printf(seq, "design capacity: %i%s\n", |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 742 | battery->info.design_capacity * cscale, |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 743 | battery->info.capacity_mode ? "0 mWh" : " mAh"); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 744 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 745 | seq_printf(seq, "last full capacity: %i%s\n", |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 746 | battery->info.full_charge_capacity * cscale, |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 747 | battery->info.capacity_mode ? "0 mWh" : " mAh"); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 748 | |
| 749 | seq_printf(seq, "battery technology: rechargeable\n"); |
| 750 | |
| 751 | seq_printf(seq, "design voltage: %i mV\n", |
| 752 | battery->info.design_voltage * battery->info.vscale); |
| 753 | |
| 754 | seq_printf(seq, "design capacity warning: unknown\n"); |
| 755 | seq_printf(seq, "design capacity low: unknown\n"); |
| 756 | seq_printf(seq, "capacity granularity 1: unknown\n"); |
| 757 | seq_printf(seq, "capacity granularity 2: unknown\n"); |
| 758 | |
| 759 | seq_printf(seq, "model number: %s\n", |
| 760 | battery->info.device_name); |
| 761 | |
| 762 | seq_printf(seq, "serial number: %i\n", |
| 763 | battery->info.serial_number); |
| 764 | |
| 765 | seq_printf(seq, "battery type: %s\n", |
| 766 | battery->info.device_chemistry); |
| 767 | |
| 768 | seq_printf(seq, "OEM info: %s\n", |
| 769 | battery->info.manufacturer_name); |
| 770 | |
| 771 | end: |
| 772 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 773 | sbs_mutex_unlock(sbs); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 774 | |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 775 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 776 | } |
| 777 | |
| 778 | static int acpi_battery_info_open_fs(struct inode *inode, struct file *file) |
| 779 | { |
| 780 | return single_open(file, acpi_battery_read_info, PDE(inode)->data); |
| 781 | } |
| 782 | |
| 783 | static int acpi_battery_read_state(struct seq_file *seq, void *offset) |
| 784 | { |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 785 | struct acpi_battery *battery = seq->private; |
| 786 | struct acpi_sbs *sbs = battery->sbs; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 787 | int result = 0; |
| 788 | int cscale; |
| 789 | int foo; |
| 790 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 791 | if (sbs_mutex_lock(sbs)) { |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 792 | return -ENODEV; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 793 | } |
| 794 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 795 | result = acpi_check_update_proc(sbs); |
| 796 | if (result) |
| 797 | goto end; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 798 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 799 | if (update_time == 0) { |
| 800 | result = acpi_sbs_update_run(sbs, battery->id, DATA_TYPE_STATE); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 801 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 802 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 803 | "acpi_sbs_update_run() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 804 | } |
| 805 | } |
| 806 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 807 | if (battery->battery_present) { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 808 | seq_printf(seq, "present: yes\n"); |
| 809 | } else { |
| 810 | seq_printf(seq, "present: no\n"); |
| 811 | goto end; |
| 812 | } |
| 813 | |
| 814 | if (battery->info.capacity_mode) { |
| 815 | cscale = battery->info.vscale * battery->info.ipscale; |
| 816 | } else { |
| 817 | cscale = battery->info.ipscale; |
| 818 | } |
| 819 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 820 | if (battery->state.battery_state & 0x0010) { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 821 | seq_printf(seq, "capacity state: critical\n"); |
| 822 | } else { |
| 823 | seq_printf(seq, "capacity state: ok\n"); |
| 824 | } |
Vladimir Lebedev | e6d0f56 | 2007-02-10 01:51:13 -0500 | [diff] [blame] | 825 | |
| 826 | foo = (s16) battery->state.amperage * battery->info.ipscale; |
| 827 | if (battery->info.capacity_mode) { |
| 828 | foo = foo * battery->info.design_voltage / 1000; |
| 829 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 830 | if (battery->state.amperage < 0) { |
| 831 | seq_printf(seq, "charging state: discharging\n"); |
Vladimir Lebedev | e6d0f56 | 2007-02-10 01:51:13 -0500 | [diff] [blame] | 832 | seq_printf(seq, "present rate: %d %s\n", |
| 833 | -foo, battery->info.capacity_mode ? "mW" : "mA"); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 834 | } else if (battery->state.amperage > 0) { |
| 835 | seq_printf(seq, "charging state: charging\n"); |
Vladimir Lebedev | e6d0f56 | 2007-02-10 01:51:13 -0500 | [diff] [blame] | 836 | seq_printf(seq, "present rate: %d %s\n", |
| 837 | foo, battery->info.capacity_mode ? "mW" : "mA"); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 838 | } else { |
| 839 | seq_printf(seq, "charging state: charged\n"); |
| 840 | seq_printf(seq, "present rate: 0 %s\n", |
| 841 | battery->info.capacity_mode ? "mW" : "mA"); |
| 842 | } |
| 843 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 844 | seq_printf(seq, "remaining capacity: %i%s\n", |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 845 | battery->state.remaining_capacity * cscale, |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 846 | battery->info.capacity_mode ? "0 mWh" : " mAh"); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 847 | |
| 848 | seq_printf(seq, "present voltage: %i mV\n", |
| 849 | battery->state.voltage * battery->info.vscale); |
| 850 | |
| 851 | end: |
| 852 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 853 | sbs_mutex_unlock(sbs); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 854 | |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 855 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 856 | } |
| 857 | |
| 858 | static int acpi_battery_state_open_fs(struct inode *inode, struct file *file) |
| 859 | { |
| 860 | return single_open(file, acpi_battery_read_state, PDE(inode)->data); |
| 861 | } |
| 862 | |
| 863 | static int acpi_battery_read_alarm(struct seq_file *seq, void *offset) |
| 864 | { |
Jan Engelhardt | 50dd096 | 2006-10-01 00:28:50 +0200 | [diff] [blame] | 865 | struct acpi_battery *battery = seq->private; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 866 | struct acpi_sbs *sbs = battery->sbs; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 867 | int result = 0; |
| 868 | int cscale; |
| 869 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 870 | if (sbs_mutex_lock(sbs)) { |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 871 | return -ENODEV; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 872 | } |
| 873 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 874 | result = acpi_check_update_proc(sbs); |
| 875 | if (result) |
| 876 | goto end; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 877 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 878 | if (update_time == 0) { |
| 879 | result = acpi_sbs_update_run(sbs, battery->id, DATA_TYPE_ALARM); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 880 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 881 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 882 | "acpi_sbs_update_run() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 883 | } |
| 884 | } |
| 885 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 886 | if (!battery->battery_present) { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 887 | seq_printf(seq, "present: no\n"); |
| 888 | goto end; |
| 889 | } |
| 890 | |
| 891 | if (battery->info.capacity_mode) { |
| 892 | cscale = battery->info.vscale * battery->info.ipscale; |
| 893 | } else { |
| 894 | cscale = battery->info.ipscale; |
| 895 | } |
| 896 | |
| 897 | seq_printf(seq, "alarm: "); |
| 898 | if (battery->alarm.remaining_capacity) { |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 899 | seq_printf(seq, "%i%s\n", |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 900 | battery->alarm.remaining_capacity * cscale, |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 901 | battery->info.capacity_mode ? "0 mWh" : " mAh"); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 902 | } else { |
| 903 | seq_printf(seq, "disabled\n"); |
| 904 | } |
| 905 | |
| 906 | end: |
| 907 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 908 | sbs_mutex_unlock(sbs); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 909 | |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 910 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 911 | } |
| 912 | |
| 913 | static ssize_t |
| 914 | acpi_battery_write_alarm(struct file *file, const char __user * buffer, |
| 915 | size_t count, loff_t * ppos) |
| 916 | { |
Jan Engelhardt | 50dd096 | 2006-10-01 00:28:50 +0200 | [diff] [blame] | 917 | struct seq_file *seq = file->private_data; |
| 918 | struct acpi_battery *battery = seq->private; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 919 | struct acpi_sbs *sbs = battery->sbs; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 920 | char alarm_string[12] = { '\0' }; |
| 921 | int result, old_alarm, new_alarm; |
| 922 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 923 | if (sbs_mutex_lock(sbs)) { |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 924 | return -ENODEV; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 925 | } |
| 926 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 927 | result = acpi_check_update_proc(sbs); |
| 928 | if (result) |
| 929 | goto end; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 930 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 931 | if (!battery->battery_present) { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 932 | result = -ENODEV; |
| 933 | goto end; |
| 934 | } |
| 935 | |
| 936 | if (count > sizeof(alarm_string) - 1) { |
| 937 | result = -EINVAL; |
| 938 | goto end; |
| 939 | } |
| 940 | |
| 941 | if (copy_from_user(alarm_string, buffer, count)) { |
| 942 | result = -EFAULT; |
| 943 | goto end; |
| 944 | } |
| 945 | |
| 946 | alarm_string[count] = 0; |
| 947 | |
| 948 | old_alarm = battery->alarm.remaining_capacity; |
| 949 | new_alarm = simple_strtoul(alarm_string, NULL, 0); |
| 950 | |
| 951 | result = acpi_battery_set_alarm(battery, new_alarm); |
| 952 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 953 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 954 | "acpi_battery_set_alarm() failed")); |
Jan Engelhardt | 50dd096 | 2006-10-01 00:28:50 +0200 | [diff] [blame] | 955 | acpi_battery_set_alarm(battery, old_alarm); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 956 | goto end; |
| 957 | } |
| 958 | result = acpi_battery_get_alarm(battery); |
| 959 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 960 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 961 | "acpi_battery_get_alarm() failed")); |
Jan Engelhardt | 50dd096 | 2006-10-01 00:28:50 +0200 | [diff] [blame] | 962 | acpi_battery_set_alarm(battery, old_alarm); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 963 | goto end; |
| 964 | } |
| 965 | |
| 966 | end: |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 967 | sbs_mutex_unlock(sbs); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 968 | |
| 969 | if (result) { |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 970 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 971 | } else { |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 972 | return count; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 973 | } |
| 974 | } |
| 975 | |
| 976 | static int acpi_battery_alarm_open_fs(struct inode *inode, struct file *file) |
| 977 | { |
| 978 | return single_open(file, acpi_battery_read_alarm, PDE(inode)->data); |
| 979 | } |
| 980 | |
| 981 | static struct file_operations acpi_battery_info_fops = { |
| 982 | .open = acpi_battery_info_open_fs, |
| 983 | .read = seq_read, |
| 984 | .llseek = seq_lseek, |
| 985 | .release = single_release, |
| 986 | .owner = THIS_MODULE, |
| 987 | }; |
| 988 | |
| 989 | static struct file_operations acpi_battery_state_fops = { |
| 990 | .open = acpi_battery_state_open_fs, |
| 991 | .read = seq_read, |
| 992 | .llseek = seq_lseek, |
| 993 | .release = single_release, |
| 994 | .owner = THIS_MODULE, |
| 995 | }; |
| 996 | |
| 997 | static struct file_operations acpi_battery_alarm_fops = { |
| 998 | .open = acpi_battery_alarm_open_fs, |
| 999 | .read = seq_read, |
| 1000 | .write = acpi_battery_write_alarm, |
| 1001 | .llseek = seq_lseek, |
| 1002 | .release = single_release, |
| 1003 | .owner = THIS_MODULE, |
| 1004 | }; |
| 1005 | |
| 1006 | /* Legacy AC Adapter Interface */ |
| 1007 | |
| 1008 | static struct proc_dir_entry *acpi_ac_dir = NULL; |
| 1009 | |
| 1010 | static int acpi_ac_read_state(struct seq_file *seq, void *offset) |
| 1011 | { |
Jan Engelhardt | 50dd096 | 2006-10-01 00:28:50 +0200 | [diff] [blame] | 1012 | struct acpi_sbs *sbs = seq->private; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1013 | int result; |
| 1014 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1015 | if (sbs_mutex_lock(sbs)) { |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1016 | return -ENODEV; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1017 | } |
| 1018 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1019 | if (update_time == 0) { |
| 1020 | result = acpi_sbs_update_run(sbs, -1, DATA_TYPE_AC_STATE); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1021 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1022 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 1023 | "acpi_sbs_update_run() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1024 | } |
| 1025 | } |
| 1026 | |
| 1027 | seq_printf(seq, "state: %s\n", |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1028 | sbs->ac.ac_present ? "on-line" : "off-line"); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1029 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1030 | sbs_mutex_unlock(sbs); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1031 | |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1032 | return 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1033 | } |
| 1034 | |
| 1035 | static int acpi_ac_state_open_fs(struct inode *inode, struct file *file) |
| 1036 | { |
| 1037 | return single_open(file, acpi_ac_read_state, PDE(inode)->data); |
| 1038 | } |
| 1039 | |
| 1040 | static struct file_operations acpi_ac_state_fops = { |
| 1041 | .open = acpi_ac_state_open_fs, |
| 1042 | .read = seq_read, |
| 1043 | .llseek = seq_lseek, |
| 1044 | .release = single_release, |
| 1045 | .owner = THIS_MODULE, |
| 1046 | }; |
| 1047 | |
| 1048 | /* -------------------------------------------------------------------------- |
| 1049 | Driver Interface |
| 1050 | -------------------------------------------------------------------------- */ |
| 1051 | |
| 1052 | /* Smart Battery */ |
| 1053 | |
| 1054 | static int acpi_battery_add(struct acpi_sbs *sbs, int id) |
| 1055 | { |
| 1056 | int is_present; |
| 1057 | int result; |
| 1058 | char dir_name[32]; |
| 1059 | struct acpi_battery *battery; |
| 1060 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1061 | battery = &sbs->battery[id]; |
| 1062 | |
| 1063 | battery->alive = 0; |
| 1064 | |
| 1065 | battery->init_state = 0; |
| 1066 | battery->id = id; |
| 1067 | battery->sbs = sbs; |
| 1068 | |
| 1069 | result = acpi_battery_select(battery); |
| 1070 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1071 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 1072 | "acpi_battery_select() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1073 | goto end; |
| 1074 | } |
| 1075 | |
| 1076 | result = acpi_battery_get_present(battery); |
| 1077 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1078 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 1079 | "acpi_battery_get_present() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1080 | goto end; |
| 1081 | } |
| 1082 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1083 | is_present = battery->battery_present; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1084 | |
| 1085 | if (is_present) { |
| 1086 | result = acpi_battery_init(battery); |
| 1087 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1088 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 1089 | "acpi_battery_init() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1090 | goto end; |
| 1091 | } |
| 1092 | battery->init_state = 1; |
| 1093 | } |
| 1094 | |
Jan Engelhardt | 50dd096 | 2006-10-01 00:28:50 +0200 | [diff] [blame] | 1095 | sprintf(dir_name, ACPI_BATTERY_DIR_NAME, id); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1096 | |
| 1097 | result = acpi_sbs_generic_add_fs(&battery->battery_entry, |
| 1098 | acpi_battery_dir, |
| 1099 | dir_name, |
| 1100 | &acpi_battery_info_fops, |
| 1101 | &acpi_battery_state_fops, |
| 1102 | &acpi_battery_alarm_fops, battery); |
| 1103 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1104 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 1105 | "acpi_sbs_generic_add_fs() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1106 | goto end; |
| 1107 | } |
| 1108 | battery->alive = 1; |
| 1109 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1110 | printk(KERN_INFO PREFIX "%s [%s]: Battery Slot [%s] (battery %s)\n", |
| 1111 | ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device), dir_name, |
| 1112 | sbs->battery->battery_present ? "present" : "absent"); |
| 1113 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1114 | end: |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1115 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1116 | } |
| 1117 | |
| 1118 | static void acpi_battery_remove(struct acpi_sbs *sbs, int id) |
| 1119 | { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1120 | |
| 1121 | if (sbs->battery[id].battery_entry) { |
| 1122 | acpi_sbs_generic_remove_fs(&(sbs->battery[id].battery_entry), |
| 1123 | acpi_battery_dir); |
| 1124 | } |
| 1125 | } |
| 1126 | |
| 1127 | static int acpi_ac_add(struct acpi_sbs *sbs) |
| 1128 | { |
| 1129 | int result; |
| 1130 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1131 | result = acpi_ac_get_present(sbs); |
| 1132 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1133 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 1134 | "acpi_ac_get_present() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1135 | goto end; |
| 1136 | } |
| 1137 | |
| 1138 | result = acpi_sbs_generic_add_fs(&sbs->ac_entry, |
| 1139 | acpi_ac_dir, |
| 1140 | ACPI_AC_DIR_NAME, |
| 1141 | NULL, &acpi_ac_state_fops, NULL, sbs); |
| 1142 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1143 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 1144 | "acpi_sbs_generic_add_fs() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1145 | goto end; |
| 1146 | } |
| 1147 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1148 | printk(KERN_INFO PREFIX "%s [%s]: AC Adapter [%s] (%s)\n", |
| 1149 | ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device), |
| 1150 | ACPI_AC_DIR_NAME, sbs->ac.ac_present ? "on-line" : "off-line"); |
| 1151 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1152 | end: |
| 1153 | |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1154 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1155 | } |
| 1156 | |
| 1157 | static void acpi_ac_remove(struct acpi_sbs *sbs) |
| 1158 | { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1159 | |
| 1160 | if (sbs->ac_entry) { |
| 1161 | acpi_sbs_generic_remove_fs(&sbs->ac_entry, acpi_ac_dir); |
| 1162 | } |
| 1163 | } |
| 1164 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1165 | static void acpi_sbs_update_time_run(unsigned long data) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1166 | { |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1167 | acpi_os_execute(OSL_GPE_HANDLER, acpi_sbs_update_time, (void *)data); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1168 | } |
| 1169 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1170 | static int acpi_sbs_update_run(struct acpi_sbs *sbs, int id, int data_type) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1171 | { |
| 1172 | struct acpi_battery *battery; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1173 | int result = 0, cnt; |
| 1174 | int old_ac_present = -1; |
| 1175 | int old_battery_present = -1; |
| 1176 | int new_ac_present = -1; |
| 1177 | int new_battery_present = -1; |
| 1178 | int id_min = 0, id_max = MAX_SBS_BAT - 1; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1179 | char dir_name[32]; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1180 | int do_battery_init = 0, do_ac_init = 0; |
| 1181 | int old_remaining_capacity = 0; |
Adrian Bunk | bc90a01 | 2007-07-09 11:33:15 -0700 | [diff] [blame] | 1182 | int update_battery = 1; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1183 | int up_tm = update_time; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1184 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1185 | if (sbs_zombie(sbs)) { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1186 | goto end; |
| 1187 | } |
| 1188 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1189 | if (id >= 0) { |
| 1190 | id_min = id_max = id; |
| 1191 | } |
| 1192 | |
| 1193 | if (data_type == DATA_TYPE_COMMON && up_tm > 0) { |
| 1194 | cnt = up_tm / (up_tm > UPDATE_DELAY ? UPDATE_DELAY : up_tm); |
| 1195 | if (sbs->run_cnt % cnt != 0) { |
| 1196 | update_battery = 0; |
| 1197 | } |
| 1198 | } |
| 1199 | |
| 1200 | sbs->run_cnt++; |
| 1201 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1202 | old_ac_present = sbs->ac.ac_present; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1203 | |
| 1204 | result = acpi_ac_get_present(sbs); |
| 1205 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1206 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 1207 | "acpi_ac_get_present() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1208 | } |
| 1209 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1210 | new_ac_present = sbs->ac.ac_present; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1211 | |
| 1212 | do_ac_init = (old_ac_present != new_ac_present); |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1213 | if (sbs->run_cnt == 1 && data_type == DATA_TYPE_COMMON) { |
| 1214 | do_ac_init = 1; |
| 1215 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1216 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1217 | if (do_ac_init) { |
Alexey Starikovskiy | 8db85d4 | 2007-09-26 19:43:16 +0400 | [diff] [blame] | 1218 | result = acpi_bus_generate_proc_event4(ACPI_AC_CLASS, |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1219 | ACPI_AC_DIR_NAME, |
Alexey Starikovskiy | 8db85d4 | 2007-09-26 19:43:16 +0400 | [diff] [blame] | 1220 | ACPI_SBS_AC_NOTIFY_STATUS, |
| 1221 | new_ac_present); |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1222 | if (result) { |
| 1223 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Alexey Starikovskiy | 8db85d4 | 2007-09-26 19:43:16 +0400 | [diff] [blame] | 1224 | "acpi_bus_generate_event4() failed")); |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1225 | } |
Alexey Starikovskiy | 8db85d4 | 2007-09-26 19:43:16 +0400 | [diff] [blame] | 1226 | acpi_bus_generate_netlink_event(ACPI_AC_CLASS, ACPI_AC_DIR_NAME, |
| 1227 | ACPI_SBS_AC_NOTIFY_STATUS, |
| 1228 | new_ac_present); |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1229 | } |
| 1230 | |
| 1231 | if (data_type == DATA_TYPE_COMMON) { |
| 1232 | if (!do_ac_init && !update_battery) { |
| 1233 | goto end; |
| 1234 | } |
| 1235 | } |
| 1236 | |
| 1237 | if (data_type == DATA_TYPE_AC_STATE && !do_ac_init) { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1238 | goto end; |
| 1239 | } |
| 1240 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1241 | for (id = id_min; id <= id_max; id++) { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1242 | battery = &sbs->battery[id]; |
| 1243 | if (battery->alive == 0) { |
| 1244 | continue; |
| 1245 | } |
| 1246 | |
| 1247 | old_remaining_capacity = battery->state.remaining_capacity; |
| 1248 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1249 | old_battery_present = battery->battery_present; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1250 | |
| 1251 | result = acpi_battery_select(battery); |
| 1252 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1253 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 1254 | "acpi_battery_select() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1255 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1256 | |
| 1257 | result = acpi_battery_get_present(battery); |
| 1258 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1259 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 1260 | "acpi_battery_get_present() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1261 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1262 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1263 | new_battery_present = battery->battery_present; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1264 | |
| 1265 | do_battery_init = ((old_battery_present != new_battery_present) |
| 1266 | && new_battery_present); |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1267 | if (!new_battery_present) |
| 1268 | goto event; |
| 1269 | if (do_ac_init || do_battery_init) { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1270 | result = acpi_battery_init(battery); |
| 1271 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1272 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 1273 | "acpi_battery_init() " |
| 1274 | "failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1275 | } |
| 1276 | } |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1277 | if (sbs_zombie(sbs)) { |
| 1278 | goto end; |
| 1279 | } |
| 1280 | |
| 1281 | if ((data_type == DATA_TYPE_COMMON |
| 1282 | || data_type == DATA_TYPE_INFO) |
| 1283 | && new_battery_present) { |
| 1284 | result = acpi_battery_get_info(battery); |
| 1285 | if (result) { |
| 1286 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 1287 | "acpi_battery_get_info() failed")); |
| 1288 | } |
| 1289 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1290 | if (data_type == DATA_TYPE_INFO) { |
| 1291 | continue; |
| 1292 | } |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1293 | if (sbs_zombie(sbs)) { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1294 | goto end; |
| 1295 | } |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1296 | |
| 1297 | if ((data_type == DATA_TYPE_COMMON |
| 1298 | || data_type == DATA_TYPE_STATE) |
| 1299 | && new_battery_present) { |
| 1300 | result = acpi_battery_get_state(battery); |
| 1301 | if (result) { |
| 1302 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 1303 | "acpi_battery_get_state() failed")); |
| 1304 | } |
| 1305 | } |
| 1306 | if (data_type == DATA_TYPE_STATE) { |
| 1307 | goto event; |
| 1308 | } |
| 1309 | if (sbs_zombie(sbs)) { |
| 1310 | goto end; |
| 1311 | } |
| 1312 | |
| 1313 | if ((data_type == DATA_TYPE_COMMON |
| 1314 | || data_type == DATA_TYPE_ALARM) |
| 1315 | && new_battery_present) { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1316 | result = acpi_battery_get_alarm(battery); |
| 1317 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1318 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 1319 | "acpi_battery_get_alarm() " |
| 1320 | "failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1321 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1322 | } |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1323 | if (data_type == DATA_TYPE_ALARM) { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1324 | continue; |
| 1325 | } |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1326 | if (sbs_zombie(sbs)) { |
| 1327 | goto end; |
| 1328 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1329 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1330 | event: |
| 1331 | |
| 1332 | if (old_battery_present != new_battery_present || do_ac_init || |
| 1333 | old_remaining_capacity != |
| 1334 | battery->state.remaining_capacity) { |
Jan Engelhardt | 50dd096 | 2006-10-01 00:28:50 +0200 | [diff] [blame] | 1335 | sprintf(dir_name, ACPI_BATTERY_DIR_NAME, id); |
Alexey Starikovskiy | 8db85d4 | 2007-09-26 19:43:16 +0400 | [diff] [blame] | 1336 | result = acpi_bus_generate_proc_event4(ACPI_BATTERY_CLASS, |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1337 | dir_name, |
Alexey Starikovskiy | 8db85d4 | 2007-09-26 19:43:16 +0400 | [diff] [blame] | 1338 | ACPI_SBS_BATTERY_NOTIFY_STATUS, |
| 1339 | new_battery_present); |
| 1340 | acpi_bus_generate_netlink_event(ACPI_BATTERY_CLASS, dir_name, |
| 1341 | ACPI_SBS_BATTERY_NOTIFY_STATUS, |
| 1342 | new_battery_present); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1343 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1344 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Alexey Starikovskiy | 8db85d4 | 2007-09-26 19:43:16 +0400 | [diff] [blame] | 1345 | "acpi_bus_generate_proc_event4() " |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1346 | "failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1347 | } |
| 1348 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1349 | } |
| 1350 | |
| 1351 | end: |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1352 | |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1353 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1354 | } |
| 1355 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1356 | static void acpi_sbs_update_time(void *data) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1357 | { |
| 1358 | struct acpi_sbs *sbs = data; |
| 1359 | unsigned long delay = -1; |
| 1360 | int result; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1361 | unsigned int up_tm = update_time; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1362 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1363 | if (sbs_mutex_lock(sbs)) |
| 1364 | return; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1365 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1366 | result = acpi_sbs_update_run(sbs, -1, DATA_TYPE_COMMON); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1367 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1368 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 1369 | "acpi_sbs_update_run() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1370 | } |
| 1371 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1372 | if (sbs_zombie(sbs)) { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1373 | goto end; |
| 1374 | } |
| 1375 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1376 | if (!up_tm) { |
| 1377 | if (timer_pending(&sbs->update_timer)) |
| 1378 | del_timer(&sbs->update_timer); |
| 1379 | } else { |
| 1380 | delay = (up_tm > UPDATE_DELAY ? UPDATE_DELAY : up_tm); |
| 1381 | delay = jiffies + HZ * delay; |
| 1382 | if (timer_pending(&sbs->update_timer)) { |
| 1383 | mod_timer(&sbs->update_timer, delay); |
| 1384 | } else { |
| 1385 | sbs->update_timer.data = (unsigned long)data; |
| 1386 | sbs->update_timer.function = acpi_sbs_update_time_run; |
| 1387 | sbs->update_timer.expires = delay; |
| 1388 | add_timer(&sbs->update_timer); |
| 1389 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1390 | } |
| 1391 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1392 | end: |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1393 | |
| 1394 | sbs_mutex_unlock(sbs); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1395 | } |
| 1396 | |
| 1397 | static int acpi_sbs_add(struct acpi_device *device) |
| 1398 | { |
| 1399 | struct acpi_sbs *sbs = NULL; |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1400 | int result = 0, remove_result = 0; |
Vladimir Lebedev | 6d15702 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1401 | int id; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1402 | |
Burman Yan | 36bcbec | 2006-12-19 12:56:11 -0800 | [diff] [blame] | 1403 | sbs = kzalloc(sizeof(struct acpi_sbs), GFP_KERNEL); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1404 | if (!sbs) { |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1405 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, "kzalloc() failed")); |
| 1406 | result = -ENOMEM; |
| 1407 | goto end; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1408 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1409 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1410 | mutex_init(&sbs->mutex); |
| 1411 | |
| 1412 | sbs_mutex_lock(sbs); |
| 1413 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1414 | sbs->device = device; |
Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame^] | 1415 | sbs->hc = acpi_driver_data(device->parent); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1416 | |
| 1417 | strcpy(acpi_device_name(device), ACPI_SBS_DEVICE_NAME); |
| 1418 | strcpy(acpi_device_class(device), ACPI_SBS_CLASS); |
| 1419 | acpi_driver_data(device) = sbs; |
| 1420 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1421 | result = acpi_ac_add(sbs); |
| 1422 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1423 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, "acpi_ac_add() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1424 | goto end; |
| 1425 | } |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1426 | |
Alexey Starikovskiy | addad45 | 2007-06-23 16:24:48 -0400 | [diff] [blame] | 1427 | acpi_sbsm_get_info(sbs); |
| 1428 | |
| 1429 | if (!sbs->sbsm_present) { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1430 | result = acpi_battery_add(sbs, 0); |
| 1431 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1432 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 1433 | "acpi_battery_add() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1434 | goto end; |
| 1435 | } |
| 1436 | } else { |
| 1437 | for (id = 0; id < MAX_SBS_BAT; id++) { |
| 1438 | if ((sbs->sbsm_batteries_supported & (1 << id))) { |
| 1439 | result = acpi_battery_add(sbs, id); |
| 1440 | if (result) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1441 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1442 | "acpi_battery_add() failed")); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1443 | goto end; |
| 1444 | } |
| 1445 | } |
| 1446 | } |
| 1447 | } |
| 1448 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1449 | init_timer(&sbs->update_timer); |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1450 | result = acpi_check_update_proc(sbs); |
| 1451 | if (result) |
| 1452 | goto end; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1453 | |
| 1454 | end: |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1455 | |
| 1456 | sbs_mutex_unlock(sbs); |
| 1457 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1458 | if (result) { |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1459 | remove_result = acpi_sbs_remove(device, 0); |
| 1460 | if (remove_result) { |
| 1461 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 1462 | "acpi_sbs_remove() failed")); |
| 1463 | } |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1464 | } |
| 1465 | |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1466 | return result; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1467 | } |
| 1468 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1469 | static int acpi_sbs_remove(struct acpi_device *device, int type) |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1470 | { |
Len Brown | cece901 | 2006-12-16 01:04:27 -0500 | [diff] [blame] | 1471 | struct acpi_sbs *sbs; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1472 | int id; |
| 1473 | |
Lebedev, Vladimir P | 963497c | 2006-09-05 19:49:13 +0400 | [diff] [blame] | 1474 | if (!device) { |
| 1475 | return -EINVAL; |
| 1476 | } |
| 1477 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1478 | sbs = acpi_driver_data(device); |
Lebedev, Vladimir P | 963497c | 2006-09-05 19:49:13 +0400 | [diff] [blame] | 1479 | if (!sbs) { |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1480 | return -EINVAL; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1481 | } |
| 1482 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1483 | sbs_mutex_lock(sbs); |
| 1484 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1485 | sbs->zombie = 1; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1486 | del_timer_sync(&sbs->update_timer); |
| 1487 | acpi_os_wait_events_complete(NULL); |
| 1488 | del_timer_sync(&sbs->update_timer); |
| 1489 | |
| 1490 | for (id = 0; id < MAX_SBS_BAT; id++) { |
| 1491 | acpi_battery_remove(sbs, id); |
| 1492 | } |
| 1493 | |
| 1494 | acpi_ac_remove(sbs); |
| 1495 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1496 | sbs_mutex_unlock(sbs); |
| 1497 | |
| 1498 | mutex_destroy(&sbs->mutex); |
Vladimir Lebedev | 6d15702 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1499 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1500 | kfree(sbs); |
| 1501 | |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1502 | return 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1503 | } |
| 1504 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1505 | static void acpi_sbs_rmdirs(void) |
| 1506 | { |
| 1507 | if (acpi_ac_dir) { |
| 1508 | acpi_unlock_ac_dir(acpi_ac_dir); |
| 1509 | acpi_ac_dir = NULL; |
| 1510 | } |
| 1511 | if (acpi_battery_dir) { |
| 1512 | acpi_unlock_battery_dir(acpi_battery_dir); |
| 1513 | acpi_battery_dir = NULL; |
| 1514 | } |
| 1515 | } |
| 1516 | |
| 1517 | static int acpi_sbs_resume(struct acpi_device *device) |
| 1518 | { |
| 1519 | struct acpi_sbs *sbs; |
| 1520 | |
| 1521 | if (!device) |
| 1522 | return -EINVAL; |
| 1523 | |
| 1524 | sbs = device->driver_data; |
| 1525 | |
| 1526 | sbs->run_cnt = 0; |
| 1527 | |
| 1528 | return 0; |
| 1529 | } |
| 1530 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1531 | static int __init acpi_sbs_init(void) |
| 1532 | { |
| 1533 | int result = 0; |
| 1534 | |
Len Brown | b20d2ae | 2006-08-15 23:21:37 -0400 | [diff] [blame] | 1535 | if (acpi_disabled) |
| 1536 | return -ENODEV; |
| 1537 | |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1538 | if (capacity_mode != DEF_CAPACITY_UNIT |
| 1539 | && capacity_mode != MAH_CAPACITY_UNIT |
| 1540 | && capacity_mode != MWH_CAPACITY_UNIT) { |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1541 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1542 | "invalid capacity_mode = %d", capacity_mode)); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1543 | return -EINVAL; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1544 | } |
| 1545 | |
| 1546 | acpi_ac_dir = acpi_lock_ac_dir(); |
| 1547 | if (!acpi_ac_dir) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1548 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 1549 | "acpi_lock_ac_dir() failed")); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1550 | return -ENODEV; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1551 | } |
| 1552 | |
| 1553 | acpi_battery_dir = acpi_lock_battery_dir(); |
| 1554 | if (!acpi_battery_dir) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1555 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 1556 | "acpi_lock_battery_dir() failed")); |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1557 | acpi_sbs_rmdirs(); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1558 | return -ENODEV; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1559 | } |
| 1560 | |
| 1561 | result = acpi_bus_register_driver(&acpi_sbs_driver); |
| 1562 | if (result < 0) { |
Vladimir Lebedev | 6845118 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1563 | ACPI_EXCEPTION((AE_INFO, AE_ERROR, |
| 1564 | "acpi_bus_register_driver() failed")); |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1565 | acpi_sbs_rmdirs(); |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1566 | return -ENODEV; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1567 | } |
| 1568 | |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1569 | return 0; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1570 | } |
| 1571 | |
| 1572 | static void __exit acpi_sbs_exit(void) |
| 1573 | { |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1574 | acpi_bus_unregister_driver(&acpi_sbs_driver); |
| 1575 | |
Vladimir Lebedev | 7220623 | 2007-03-19 17:45:50 +0300 | [diff] [blame] | 1576 | acpi_sbs_rmdirs(); |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1577 | |
Len Brown | 635227e | 2006-07-01 16:48:23 -0400 | [diff] [blame] | 1578 | return; |
Rich Townsend | 3f86b83 | 2006-07-01 11:36:54 -0400 | [diff] [blame] | 1579 | } |
| 1580 | |
| 1581 | module_init(acpi_sbs_init); |
| 1582 | module_exit(acpi_sbs_exit); |