/*
- * acpi_sbs.c - ACPI Smart Battery System Driver ($Revision: 1.16 $)
+ * sbs.c - ACPI Smart Battery System Driver ($Revision: 2.0 $)
*
+ * Copyright (c) 2007 Alexey Starikovskiy <astarikovskiy@suse.de>
+ * Copyright (c) 2005-2007 Vladimir Lebedev <vladimir.p.lebedev@intel.com>
* Copyright (c) 2005 Rich Townsend <rhdt@bartol.udel.edu>
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
+
+#ifdef CONFIG_ACPI_PROCFS_POWER
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <asm/uaccess.h>
+#endif
+
#include <linux/acpi.h>
#include <linux/timer.h>
#include <linux/jiffies.h>
#include <linux/delay.h>
-#define ACPI_SBS_COMPONENT 0x00080000
+#include <linux/power_supply.h>
+
+#include "sbshc.h"
+
#define ACPI_SBS_CLASS "sbs"
#define ACPI_AC_CLASS "ac_adapter"
#define ACPI_BATTERY_CLASS "battery"
#define ACPI_SBS_FILE_ALARM "alarm"
#define ACPI_BATTERY_DIR_NAME "BAT%i"
#define ACPI_AC_DIR_NAME "AC0"
-#define ACPI_SBC_SMBUS_ADDR 0x9
-#define ACPI_SBSM_SMBUS_ADDR 0xa
-#define ACPI_SB_SMBUS_ADDR 0xb
-#define ACPI_SBS_AC_NOTIFY_STATUS 0x80
-#define ACPI_SBS_BATTERY_NOTIFY_STATUS 0x80
-#define ACPI_SBS_BATTERY_NOTIFY_INFO 0x81
-#define _COMPONENT ACPI_SBS_COMPONENT
+enum acpi_sbs_device_addr {
+ ACPI_SBS_CHARGER = 0x9,
+ ACPI_SBS_MANAGER = 0xa,
+ ACPI_SBS_BATTERY = 0xb,
+};
-ACPI_MODULE_NAME("sbs");
+#define ACPI_SBS_NOTIFY_STATUS 0x80
+#define ACPI_SBS_NOTIFY_INFO 0x81
-MODULE_AUTHOR("Rich Townsend");
+MODULE_AUTHOR("Alexey Starikovskiy <astarikovskiy@suse.de>");
MODULE_DESCRIPTION("Smart Battery System ACPI interface driver");
MODULE_LICENSE("GPL");
-#define xmsleep(t) msleep(t)
-
-#define ACPI_EC_SMB_PRTCL 0x00 /* protocol, PEC */
-
-#define ACPI_EC_SMB_STS 0x01 /* status */
-#define ACPI_EC_SMB_ADDR 0x02 /* address */
-#define ACPI_EC_SMB_CMD 0x03 /* command */
-#define ACPI_EC_SMB_DATA 0x04 /* 32 data registers */
-#define ACPI_EC_SMB_BCNT 0x24 /* number of data bytes */
-
-#define ACPI_EC_SMB_STS_DONE 0x80
-#define ACPI_EC_SMB_STS_STATUS 0x1f
-
-#define ACPI_EC_SMB_PRTCL_WRITE 0x00
-#define ACPI_EC_SMB_PRTCL_READ 0x01
-#define ACPI_EC_SMB_PRTCL_WORD_DATA 0x08
-#define ACPI_EC_SMB_PRTCL_BLOCK_DATA 0x0a
-
-#define ACPI_EC_SMB_TRANSACTION_SLEEP 1
-#define ACPI_EC_SMB_ACCESS_SLEEP1 1
-#define ACPI_EC_SMB_ACCESS_SLEEP2 10
-
-#define DEF_CAPACITY_UNIT 3
-#define MAH_CAPACITY_UNIT 1
-#define MWH_CAPACITY_UNIT 2
-#define CAPACITY_UNIT DEF_CAPACITY_UNIT
-
-#define REQUEST_UPDATE_MODE 1
-#define QUEUE_UPDATE_MODE 2
-
-#define DATA_TYPE_COMMON 0
-#define DATA_TYPE_INFO 1
-#define DATA_TYPE_STATE 2
-#define DATA_TYPE_ALARM 3
-#define DATA_TYPE_AC_STATE 4
+static unsigned int cache_time = 1000;
+module_param(cache_time, uint, 0644);
+MODULE_PARM_DESC(cache_time, "cache time in milliseconds");
extern struct proc_dir_entry *acpi_lock_ac_dir(void);
extern struct proc_dir_entry *acpi_lock_battery_dir(void);
extern void acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir);
extern void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir);
-#define MAX_SBS_BAT 4
+#define MAX_SBS_BAT 4
#define ACPI_SBS_BLOCK_MAX 32
-#define ACPI_SBS_SMBUS_READ 1
-#define ACPI_SBS_SMBUS_WRITE 2
-
-#define ACPI_SBS_WORD_DATA 1
-#define ACPI_SBS_BLOCK_DATA 2
-
-#define UPDATE_DELAY 10
-
-/* 0 - every time, > 0 - by update_time */
-static unsigned int update_time = 120;
-
-static unsigned int capacity_mode = CAPACITY_UNIT;
-
-module_param(update_time, uint, 0644);
-module_param(capacity_mode, uint, 0444);
-
-static int acpi_sbs_add(struct acpi_device *device);
-static int acpi_sbs_remove(struct acpi_device *device, int type);
-static int acpi_sbs_resume(struct acpi_device *device);
-
static const struct acpi_device_id sbs_device_ids[] = {
- {"ACPI0001", 0},
- {"ACPI0005", 0},
+ {"ACPI0002", 0},
{"", 0},
};
MODULE_DEVICE_TABLE(acpi, sbs_device_ids);
-static struct acpi_driver acpi_sbs_driver = {
- .name = "sbs",
- .class = ACPI_SBS_CLASS,
- .ids = sbs_device_ids,
- .ops = {
- .add = acpi_sbs_add,
- .remove = acpi_sbs_remove,
- .resume = acpi_sbs_resume,
- },
-};
-
-struct acpi_ac {
- int ac_present;
-};
-
-struct acpi_battery_info {
- int capacity_mode;
- s16 full_charge_capacity;
- s16 design_capacity;
- s16 design_voltage;
- int vscale;
- int ipscale;
- s16 serial_number;
- char manufacturer_name[ACPI_SBS_BLOCK_MAX + 3];
- char device_name[ACPI_SBS_BLOCK_MAX + 3];
- char device_chemistry[ACPI_SBS_BLOCK_MAX + 3];
-};
-
-struct acpi_battery_state {
- s16 voltage;
- s16 amperage;
- s16 remaining_capacity;
- s16 battery_state;
-};
-
-struct acpi_battery_alarm {
- s16 remaining_capacity;
-};
-
struct acpi_battery {
- int alive;
- int id;
- int init_state;
- int battery_present;
+ struct power_supply bat;
struct acpi_sbs *sbs;
- struct acpi_battery_info info;
- struct acpi_battery_state state;
- struct acpi_battery_alarm alarm;
- struct proc_dir_entry *battery_entry;
+#ifdef CONFIG_ACPI_PROCFS_POWER
+ struct proc_dir_entry *proc_entry;
+#endif
+ unsigned long update_time;
+ char name[8];
+ char manufacturer_name[ACPI_SBS_BLOCK_MAX];
+ char device_name[ACPI_SBS_BLOCK_MAX];
+ char device_chemistry[ACPI_SBS_BLOCK_MAX];
+ u16 alarm_capacity;
+ u16 full_charge_capacity;
+ u16 design_capacity;
+ u16 design_voltage;
+ u16 serial_number;
+ u16 cycle_count;
+ u16 temp_now;
+ u16 voltage_now;
+ s16 current_now;
+ s16 current_avg;
+ u16 capacity_now;
+ u16 state_of_charge;
+ u16 state;
+ u16 mode;
+ u16 spec;
+ u8 id;
+ u8 present:1;
+ u8 have_sysfs_alarm:1;
};
+#define to_acpi_battery(x) container_of(x, struct acpi_battery, bat);
+
struct acpi_sbs {
- int base;
+ struct power_supply charger;
struct acpi_device *device;
- struct mutex mutex;
- int sbsm_present;
- int sbsm_batteries_supported;
- struct proc_dir_entry *ac_entry;
- struct acpi_ac ac;
+ struct acpi_smb_hc *hc;
+ struct mutex lock;
+#ifdef CONFIG_ACPI_PROCFS_POWER
+ struct proc_dir_entry *charger_entry;
+#endif
struct acpi_battery battery[MAX_SBS_BAT];
- int zombie;
- struct timer_list update_timer;
- int run_cnt;
- int update_proc_flg;
+ u8 batteries_supported:4;
+ u8 manager_present:1;
+ u8 charger_present:1;
};
-static int acpi_sbs_update_run(struct acpi_sbs *sbs, int id, int data_type);
-static void acpi_sbs_update_time(void *data);
+#define to_acpi_sbs(x) container_of(x, struct acpi_sbs, charger)
-union sbs_rw_data {
- u16 word;
- u8 block[ACPI_SBS_BLOCK_MAX + 2];
-};
-
-static int acpi_ec_sbs_access(struct acpi_sbs *sbs, u16 addr,
- char read_write, u8 command, int size,
- union sbs_rw_data *data);
-
-/* --------------------------------------------------------------------------
- SMBus Communication
- -------------------------------------------------------------------------- */
-
-static int acpi_ec_sbs_read(struct acpi_sbs *sbs, u8 address, u8 * data)
+static inline int battery_scale(int log)
{
- u8 val;
- int err;
-
- err = ec_read(sbs->base + address, &val);
- if (!err) {
- *data = val;
- }
- xmsleep(ACPI_EC_SMB_TRANSACTION_SLEEP);
- return (err);
+ int scale = 1;
+ while (log--)
+ scale *= 10;
+ return scale;
}
-static int acpi_ec_sbs_write(struct acpi_sbs *sbs, u8 address, u8 data)
+static inline int acpi_battery_vscale(struct acpi_battery *battery)
{
- int err;
-
- err = ec_write(sbs->base + address, data);
- return (err);
+ return battery_scale((battery->spec & 0x0f00) >> 8);
}
-static int
-acpi_ec_sbs_access(struct acpi_sbs *sbs, u16 addr,
- char read_write, u8 command, int size,
- union sbs_rw_data *data)
+static inline int acpi_battery_ipscale(struct acpi_battery *battery)
{
- unsigned char protocol, len = 0, temp[2] = { 0, 0 };
- int i;
-
- if (read_write == ACPI_SBS_SMBUS_READ) {
- protocol = ACPI_EC_SMB_PRTCL_READ;
- } else {
- protocol = ACPI_EC_SMB_PRTCL_WRITE;
- }
-
- switch (size) {
-
- case ACPI_SBS_WORD_DATA:
- acpi_ec_sbs_write(sbs, ACPI_EC_SMB_CMD, command);
- if (read_write == ACPI_SBS_SMBUS_WRITE) {
- acpi_ec_sbs_write(sbs, ACPI_EC_SMB_DATA, data->word);
- acpi_ec_sbs_write(sbs, ACPI_EC_SMB_DATA + 1,
- data->word >> 8);
- }
- protocol |= ACPI_EC_SMB_PRTCL_WORD_DATA;
- break;
- case ACPI_SBS_BLOCK_DATA:
- acpi_ec_sbs_write(sbs, ACPI_EC_SMB_CMD, command);
- if (read_write == ACPI_SBS_SMBUS_WRITE) {
- len = min_t(u8, data->block[0], 32);
- acpi_ec_sbs_write(sbs, ACPI_EC_SMB_BCNT, len);
- for (i = 0; i < len; i++)
- acpi_ec_sbs_write(sbs, ACPI_EC_SMB_DATA + i,
- data->block[i + 1]);
- }
- protocol |= ACPI_EC_SMB_PRTCL_BLOCK_DATA;
- break;
- default:
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "unsupported transaction %d", size));
- return (-1);
- }
-
- acpi_ec_sbs_write(sbs, ACPI_EC_SMB_ADDR, addr << 1);
- acpi_ec_sbs_write(sbs, ACPI_EC_SMB_PRTCL, protocol);
-
- acpi_ec_sbs_read(sbs, ACPI_EC_SMB_STS, temp);
-
- if (~temp[0] & ACPI_EC_SMB_STS_DONE) {
- xmsleep(ACPI_EC_SMB_ACCESS_SLEEP1);
- acpi_ec_sbs_read(sbs, ACPI_EC_SMB_STS, temp);
- }
- if (~temp[0] & ACPI_EC_SMB_STS_DONE) {
- xmsleep(ACPI_EC_SMB_ACCESS_SLEEP2);
- acpi_ec_sbs_read(sbs, ACPI_EC_SMB_STS, temp);
- }
- if ((~temp[0] & ACPI_EC_SMB_STS_DONE)
- || (temp[0] & ACPI_EC_SMB_STS_STATUS)) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "transaction %d error", size));
- return (-1);
- }
-
- if (read_write == ACPI_SBS_SMBUS_WRITE) {
- return (0);
- }
-
- switch (size) {
-
- case ACPI_SBS_WORD_DATA:
- acpi_ec_sbs_read(sbs, ACPI_EC_SMB_DATA, temp);
- acpi_ec_sbs_read(sbs, ACPI_EC_SMB_DATA + 1, temp + 1);
- data->word = (temp[1] << 8) | temp[0];
- break;
-
- case ACPI_SBS_BLOCK_DATA:
- len = 0;
- acpi_ec_sbs_read(sbs, ACPI_EC_SMB_BCNT, &len);
- len = min_t(u8, len, 32);
- for (i = 0; i < len; i++)
- acpi_ec_sbs_read(sbs, ACPI_EC_SMB_DATA + i,
- data->block + i + 1);
- data->block[0] = len;
- break;
- default:
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "unsupported transaction %d", size));
- return (-1);
- }
-
- return (0);
+ return battery_scale((battery->spec & 0xf000) >> 12);
}
-static int
-acpi_sbs_read_word(struct acpi_sbs *sbs, int addr, int func, u16 * word)
+static inline int acpi_battery_mode(struct acpi_battery *battery)
{
- union sbs_rw_data data;
- int result = 0;
-
- result = acpi_ec_sbs_access(sbs, addr,
- ACPI_SBS_SMBUS_READ, func,
- ACPI_SBS_WORD_DATA, &data);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_ec_sbs_access() failed"));
- } else {
- *word = data.word;
- }
-
- return result;
-}
-
-static int
-acpi_sbs_read_str(struct acpi_sbs *sbs, int addr, int func, char *str)
-{
- union sbs_rw_data data;
- int result = 0;
-
- result = acpi_ec_sbs_access(sbs, addr,
- ACPI_SBS_SMBUS_READ, func,
- ACPI_SBS_BLOCK_DATA, &data);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_ec_sbs_access() failed"));
- } else {
- strncpy(str, (const char *)data.block + 1, data.block[0]);
- str[data.block[0]] = 0;
- }
-
- return result;
-}
-
-static int
-acpi_sbs_write_word(struct acpi_sbs *sbs, int addr, int func, int word)
-{
- union sbs_rw_data data;
- int result = 0;
-
- data.word = word;
-
- result = acpi_ec_sbs_access(sbs, addr,
- ACPI_SBS_SMBUS_WRITE, func,
- ACPI_SBS_WORD_DATA, &data);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_ec_sbs_access() failed"));
- }
-
- return result;
+ return (battery->mode & 0x8000);
}
-static int sbs_zombie(struct acpi_sbs *sbs)
+static inline int acpi_battery_scale(struct acpi_battery *battery)
{
- return (sbs->zombie);
+ return (acpi_battery_mode(battery) ? 10 : 1) *
+ acpi_battery_ipscale(battery);
}
-static int sbs_mutex_lock(struct acpi_sbs *sbs)
+static int sbs_get_ac_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
{
- if (sbs_zombie(sbs)) {
- return -ENODEV;
+ struct acpi_sbs *sbs = to_acpi_sbs(psy);
+ switch (psp) {
+ case POWER_SUPPLY_PROP_ONLINE:
+ val->intval = sbs->charger_present;
+ break;
+ default:
+ return -EINVAL;
}
- mutex_lock(&sbs->mutex);
return 0;
}
-static void sbs_mutex_unlock(struct acpi_sbs *sbs)
+static int acpi_battery_technology(struct acpi_battery *battery)
{
- mutex_unlock(&sbs->mutex);
+ if (!strcasecmp("NiCd", battery->device_chemistry))
+ return POWER_SUPPLY_TECHNOLOGY_NiCd;
+ if (!strcasecmp("NiMH", battery->device_chemistry))
+ return POWER_SUPPLY_TECHNOLOGY_NiMH;
+ if (!strcasecmp("LION", battery->device_chemistry))
+ return POWER_SUPPLY_TECHNOLOGY_LION;
+ if (!strcasecmp("LiP", battery->device_chemistry))
+ return POWER_SUPPLY_TECHNOLOGY_LIPO;
+ return POWER_SUPPLY_TECHNOLOGY_UNKNOWN;
}
-/* --------------------------------------------------------------------------
- Smart Battery System Management
- -------------------------------------------------------------------------- */
-
-static int acpi_check_update_proc(struct acpi_sbs *sbs)
+static int acpi_sbs_battery_get_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
{
- acpi_status status = AE_OK;
+ struct acpi_battery *battery = to_acpi_battery(psy);
- if (update_time == 0) {
- sbs->update_proc_flg = 0;
- return 0;
- }
- if (sbs->update_proc_flg == 0) {
- status = acpi_os_execute(OSL_GPE_HANDLER,
- acpi_sbs_update_time, sbs);
- if (status != AE_OK) {
- ACPI_EXCEPTION((AE_INFO, status,
- "acpi_os_execute() failed"));
- return 1;
- }
- sbs->update_proc_flg = 1;
+ if ((!battery->present) && psp != POWER_SUPPLY_PROP_PRESENT)
+ return -ENODEV;
+ switch (psp) {
+ case POWER_SUPPLY_PROP_STATUS:
+ if (battery->current_now < 0)
+ val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
+ else if (battery->current_now > 0)
+ val->intval = POWER_SUPPLY_STATUS_CHARGING;
+ else
+ val->intval = POWER_SUPPLY_STATUS_FULL;
+ break;
+ case POWER_SUPPLY_PROP_PRESENT:
+ val->intval = battery->present;
+ break;
+ case POWER_SUPPLY_PROP_TECHNOLOGY:
+ val->intval = acpi_battery_technology(battery);
+ break;
+ case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
+ val->intval = battery->design_voltage *
+ acpi_battery_vscale(battery) * 1000;
+ break;
+ case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+ val->intval = battery->voltage_now *
+ acpi_battery_vscale(battery) * 1000;
+ break;
+ case POWER_SUPPLY_PROP_CURRENT_NOW:
+ val->intval = abs(battery->current_now) *
+ acpi_battery_ipscale(battery) * 1000;
+ break;
+ case POWER_SUPPLY_PROP_CURRENT_AVG:
+ val->intval = abs(battery->current_avg) *
+ acpi_battery_ipscale(battery) * 1000;
+ break;
+ case POWER_SUPPLY_PROP_CAPACITY:
+ val->intval = battery->state_of_charge;
+ break;
+ case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
+ case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:
+ val->intval = battery->design_capacity *
+ acpi_battery_scale(battery) * 1000;
+ break;
+ case POWER_SUPPLY_PROP_CHARGE_FULL:
+ case POWER_SUPPLY_PROP_ENERGY_FULL:
+ val->intval = battery->full_charge_capacity *
+ acpi_battery_scale(battery) * 1000;
+ break;
+ case POWER_SUPPLY_PROP_CHARGE_NOW:
+ case POWER_SUPPLY_PROP_ENERGY_NOW:
+ val->intval = battery->capacity_now *
+ acpi_battery_scale(battery) * 1000;
+ break;
+ case POWER_SUPPLY_PROP_TEMP:
+ val->intval = battery->temp_now - 2730; // dK -> dC
+ break;
+ case POWER_SUPPLY_PROP_MODEL_NAME:
+ val->strval = battery->device_name;
+ break;
+ case POWER_SUPPLY_PROP_MANUFACTURER:
+ val->strval = battery->manufacturer_name;
+ break;
+ default:
+ return -EINVAL;
}
return 0;
}
-static int acpi_sbs_generate_event(struct acpi_device *device,
- int event, int state, char *bid, char *class)
-{
- char bid_saved[5];
- char class_saved[20];
- int result = 0;
-
- strcpy(bid_saved, acpi_device_bid(device));
- strcpy(class_saved, acpi_device_class(device));
-
- strcpy(acpi_device_bid(device), bid);
- strcpy(acpi_device_class(device), class);
-
- result = acpi_bus_generate_event(device, event, state);
-
- strcpy(acpi_device_bid(device), bid_saved);
- strcpy(acpi_device_class(device), class_saved);
-
- return result;
-}
-
-static int acpi_battery_get_present(struct acpi_battery *battery)
-{
- s16 state;
- int result = 0;
- int is_present = 0;
-
- result = acpi_sbs_read_word(battery->sbs,
- ACPI_SBSM_SMBUS_ADDR, 0x01, &state);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_read_word() failed"));
- }
- if (!result) {
- is_present = (state & 0x000f) & (1 << battery->id);
- }
- battery->battery_present = is_present;
-
- return result;
-}
+static enum power_supply_property sbs_ac_props[] = {
+ POWER_SUPPLY_PROP_ONLINE,
+};
-static int acpi_battery_select(struct acpi_battery *battery)
-{
- struct acpi_sbs *sbs = battery->sbs;
- int result = 0;
- s16 state;
- int foo;
+static enum power_supply_property sbs_charge_battery_props[] = {
+ POWER_SUPPLY_PROP_STATUS,
+ POWER_SUPPLY_PROP_PRESENT,
+ POWER_SUPPLY_PROP_TECHNOLOGY,
+ POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
+ POWER_SUPPLY_PROP_VOLTAGE_NOW,
+ POWER_SUPPLY_PROP_CURRENT_NOW,
+ POWER_SUPPLY_PROP_CURRENT_AVG,
+ POWER_SUPPLY_PROP_CAPACITY,
+ POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
+ POWER_SUPPLY_PROP_CHARGE_FULL,
+ POWER_SUPPLY_PROP_CHARGE_NOW,
+ POWER_SUPPLY_PROP_TEMP,
+ POWER_SUPPLY_PROP_MODEL_NAME,
+ POWER_SUPPLY_PROP_MANUFACTURER,
+};
- if (sbs->sbsm_present) {
+static enum power_supply_property sbs_energy_battery_props[] = {
+ POWER_SUPPLY_PROP_STATUS,
+ POWER_SUPPLY_PROP_PRESENT,
+ POWER_SUPPLY_PROP_TECHNOLOGY,
+ POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
+ POWER_SUPPLY_PROP_VOLTAGE_NOW,
+ POWER_SUPPLY_PROP_CURRENT_NOW,
+ POWER_SUPPLY_PROP_CURRENT_AVG,
+ POWER_SUPPLY_PROP_CAPACITY,
+ POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
+ POWER_SUPPLY_PROP_ENERGY_FULL,
+ POWER_SUPPLY_PROP_ENERGY_NOW,
+ POWER_SUPPLY_PROP_TEMP,
+ POWER_SUPPLY_PROP_MODEL_NAME,
+ POWER_SUPPLY_PROP_MANUFACTURER,
+};
- /* Take special care not to knobble other nibbles of
- * state (aka selector_state), since
- * it causes charging to halt on SBSELs */
+/* --------------------------------------------------------------------------
+ Smart Battery System Management
+ -------------------------------------------------------------------------- */
- result =
- acpi_sbs_read_word(sbs, ACPI_SBSM_SMBUS_ADDR, 0x01, &state);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_read_word() failed"));
- goto end;
- }
+struct acpi_battery_reader {
+ u8 command; /* command for battery */
+ u8 mode; /* word or block? */
+ size_t offset; /* offset inside struct acpi_sbs_battery */
+};
- foo = (state & 0x0fff) | (1 << (battery->id + 12));
- result =
- acpi_sbs_write_word(sbs, ACPI_SBSM_SMBUS_ADDR, 0x01, foo);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_write_word() failed"));
- goto end;
- }
- }
+static struct acpi_battery_reader info_readers[] = {
+ {0x01, SMBUS_READ_WORD, offsetof(struct acpi_battery, alarm_capacity)},
+ {0x03, SMBUS_READ_WORD, offsetof(struct acpi_battery, mode)},
+ {0x10, SMBUS_READ_WORD, offsetof(struct acpi_battery, full_charge_capacity)},
+ {0x17, SMBUS_READ_WORD, offsetof(struct acpi_battery, cycle_count)},
+ {0x18, SMBUS_READ_WORD, offsetof(struct acpi_battery, design_capacity)},
+ {0x19, SMBUS_READ_WORD, offsetof(struct acpi_battery, design_voltage)},
+ {0x1a, SMBUS_READ_WORD, offsetof(struct acpi_battery, spec)},
+ {0x1c, SMBUS_READ_WORD, offsetof(struct acpi_battery, serial_number)},
+ {0x20, SMBUS_READ_BLOCK, offsetof(struct acpi_battery, manufacturer_name)},
+ {0x21, SMBUS_READ_BLOCK, offsetof(struct acpi_battery, device_name)},
+ {0x22, SMBUS_READ_BLOCK, offsetof(struct acpi_battery, device_chemistry)},
+};
- end:
- return result;
-}
+static struct acpi_battery_reader state_readers[] = {
+ {0x08, SMBUS_READ_WORD, offsetof(struct acpi_battery, temp_now)},
+ {0x09, SMBUS_READ_WORD, offsetof(struct acpi_battery, voltage_now)},
+ {0x0a, SMBUS_READ_WORD, offsetof(struct acpi_battery, current_now)},
+ {0x0b, SMBUS_READ_WORD, offsetof(struct acpi_battery, current_avg)},
+ {0x0f, SMBUS_READ_WORD, offsetof(struct acpi_battery, capacity_now)},
+ {0x0e, SMBUS_READ_WORD, offsetof(struct acpi_battery, state_of_charge)},
+ {0x16, SMBUS_READ_WORD, offsetof(struct acpi_battery, state)},
+};
-static int acpi_sbsm_get_info(struct acpi_sbs *sbs)
+static int acpi_manager_get_info(struct acpi_sbs *sbs)
{
int result = 0;
- s16 battery_system_info;
-
- result = acpi_sbs_read_word(sbs, ACPI_SBSM_SMBUS_ADDR, 0x04,
- &battery_system_info);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_read_word() failed"));
- goto end;
- }
- sbs->sbsm_present = 1;
- sbs->sbsm_batteries_supported = battery_system_info & 0x000f;
-
- end:
+ u16 battery_system_info;
+ result = acpi_smbus_read(sbs->hc, SMBUS_READ_WORD, ACPI_SBS_MANAGER,
+ 0x04, (u8 *)&battery_system_info);
+ if (!result)
+ sbs->batteries_supported = battery_system_info & 0x000f;
return result;
}
static int acpi_battery_get_info(struct acpi_battery *battery)
{
- struct acpi_sbs *sbs = battery->sbs;
- int result = 0;
- s16 battery_mode;
- s16 specification_info;
-
- result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x03,
- &battery_mode);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_read_word() failed"));
- goto end;
- }
- battery->info.capacity_mode = (battery_mode & 0x8000) >> 15;
-
- result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x10,
- &battery->info.full_charge_capacity);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_read_word() failed"));
- goto end;
- }
-
- result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x18,
- &battery->info.design_capacity);
-
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_read_word() failed"));
- goto end;
- }
-
- result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x19,
- &battery->info.design_voltage);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_read_word() failed"));
- goto end;
- }
-
- result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x1a,
- &specification_info);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_read_word() failed"));
- goto end;
- }
-
- switch ((specification_info & 0x0f00) >> 8) {
- case 1:
- battery->info.vscale = 10;
- break;
- case 2:
- battery->info.vscale = 100;
- break;
- case 3:
- battery->info.vscale = 1000;
- break;
- default:
- battery->info.vscale = 1;
- }
-
- switch ((specification_info & 0xf000) >> 12) {
- case 1:
- battery->info.ipscale = 10;
- break;
- case 2:
- battery->info.ipscale = 100;
- break;
- case 3:
- battery->info.ipscale = 1000;
- break;
- default:
- battery->info.ipscale = 1;
- }
-
- result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x1c,
- &battery->info.serial_number);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_read_word() failed"));
- goto end;
- }
-
- result = acpi_sbs_read_str(sbs, ACPI_SB_SMBUS_ADDR, 0x20,
- battery->info.manufacturer_name);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_read_str() failed"));
- goto end;
+ int i, result = 0;
+
+ for (i = 0; i < ARRAY_SIZE(info_readers); ++i) {
+ result = acpi_smbus_read(battery->sbs->hc,
+ info_readers[i].mode,
+ ACPI_SBS_BATTERY,
+ info_readers[i].command,
+ (u8 *) battery +
+ info_readers[i].offset);
+ if (result)
+ break;
}
-
- result = acpi_sbs_read_str(sbs, ACPI_SB_SMBUS_ADDR, 0x21,
- battery->info.device_name);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_read_str() failed"));
- goto end;
- }
-
- result = acpi_sbs_read_str(sbs, ACPI_SB_SMBUS_ADDR, 0x22,
- battery->info.device_chemistry);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_read_str() failed"));
- goto end;
- }
-
- end:
return result;
}
static int acpi_battery_get_state(struct acpi_battery *battery)
{
- struct acpi_sbs *sbs = battery->sbs;
- int result = 0;
+ int i, result = 0;
- result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x09,
- &battery->state.voltage);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_read_word() failed"));
- goto end;
- }
-
- result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x0a,
- &battery->state.amperage);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_read_word() failed"));
- goto end;
- }
-
- result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x0f,
- &battery->state.remaining_capacity);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_read_word() failed"));
- goto end;
- }
-
- result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x16,
- &battery->state.battery_state);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_read_word() failed"));
- goto end;
+ if (battery->update_time &&
+ time_before(jiffies, battery->update_time +
+ msecs_to_jiffies(cache_time)))
+ return 0;
+ for (i = 0; i < ARRAY_SIZE(state_readers); ++i) {
+ result = acpi_smbus_read(battery->sbs->hc,
+ state_readers[i].mode,
+ ACPI_SBS_BATTERY,
+ state_readers[i].command,
+ (u8 *)battery +
+ state_readers[i].offset);
+ if (result)
+ goto end;
}
-
end:
+ battery->update_time = jiffies;
return result;
}
static int acpi_battery_get_alarm(struct acpi_battery *battery)
{
- struct acpi_sbs *sbs = battery->sbs;
- int result = 0;
-
- result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x01,
- &battery->alarm.remaining_capacity);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_read_word() failed"));
- goto end;
- }
-
- end:
-
- return result;
+ return acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD,
+ ACPI_SBS_BATTERY, 0x01,
+ (u8 *)&battery->alarm_capacity);
}
-static int acpi_battery_set_alarm(struct acpi_battery *battery,
- unsigned long alarm)
+static int acpi_battery_set_alarm(struct acpi_battery *battery)
{
struct acpi_sbs *sbs = battery->sbs;
- int result = 0;
- s16 battery_mode;
- int foo;
+ u16 value, sel = 1 << (battery->id + 12);
- result = acpi_battery_select(battery);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_battery_select() failed"));
- goto end;
- }
+ int ret;
- /* If necessary, enable the alarm */
- if (alarm > 0) {
- result =
- acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x03,
- &battery_mode);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_read_word() failed"));
+ if (sbs->manager_present) {
+ ret = acpi_smbus_read(sbs->hc, SMBUS_READ_WORD, ACPI_SBS_MANAGER,
+ 0x01, (u8 *)&value);
+ if (ret)
goto end;
- }
-
- result =
- acpi_sbs_write_word(sbs, ACPI_SB_SMBUS_ADDR, 0x01,
- battery_mode & 0xbfff);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_write_word() failed"));
+ if ((value & 0xf000) != sel) {
+ value &= 0x0fff;
+ value |= sel;
+ ret = acpi_smbus_write(sbs->hc, SMBUS_WRITE_WORD,
+ ACPI_SBS_MANAGER,
+ 0x01, (u8 *)&value, 2);
+ if (ret)
goto end;
}
}
-
- foo = alarm / (battery->info.capacity_mode ? 10 : 1);
- result = acpi_sbs_write_word(sbs, ACPI_SB_SMBUS_ADDR, 0x01, foo);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_write_word() failed"));
- goto end;
- }
-
+ ret = acpi_smbus_write(sbs->hc, SMBUS_WRITE_WORD, ACPI_SBS_BATTERY,
+ 0x01, (u8 *)&battery->alarm_capacity, 2);
end:
-
- return result;
+ return ret;
}
-static int acpi_battery_set_mode(struct acpi_battery *battery)
+static int acpi_ac_get_present(struct acpi_sbs *sbs)
{
- struct acpi_sbs *sbs = battery->sbs;
- int result = 0;
- s16 battery_mode;
-
- if (capacity_mode == DEF_CAPACITY_UNIT) {
- goto end;
- }
-
- result = acpi_sbs_read_word(sbs,
- ACPI_SB_SMBUS_ADDR, 0x03, &battery_mode);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_read_word() failed"));
- goto end;
- }
-
- if (capacity_mode == MAH_CAPACITY_UNIT) {
- battery_mode &= 0x7fff;
- } else {
- battery_mode |= 0x8000;
- }
- result = acpi_sbs_write_word(sbs,
- ACPI_SB_SMBUS_ADDR, 0x03, battery_mode);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_write_word() failed"));
- goto end;
- }
-
- result = acpi_sbs_read_word(sbs,
- ACPI_SB_SMBUS_ADDR, 0x03, &battery_mode);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_read_word() failed"));
- goto end;
- }
+ int result;
+ u16 status;
- end:
+ result = acpi_smbus_read(sbs->hc, SMBUS_READ_WORD, ACPI_SBS_CHARGER,
+ 0x13, (u8 *) & status);
+ if (!result)
+ sbs->charger_present = (status >> 15) & 0x1;
return result;
}
-static int acpi_battery_init(struct acpi_battery *battery)
+static ssize_t acpi_battery_alarm_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
{
- int result = 0;
-
- result = acpi_battery_select(battery);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_battery_select() failed"));
- goto end;
- }
-
- result = acpi_battery_set_mode(battery);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_battery_set_mode() failed"));
- goto end;
- }
-
- result = acpi_battery_get_info(battery);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_battery_get_info() failed"));
- goto end;
- }
-
- result = acpi_battery_get_state(battery);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_battery_get_state() failed"));
- goto end;
- }
-
- result = acpi_battery_get_alarm(battery);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_battery_get_alarm() failed"));
- goto end;
- }
-
- end:
- return result;
+ struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev));
+ acpi_battery_get_alarm(battery);
+ return sprintf(buf, "%d\n", battery->alarm_capacity *
+ acpi_battery_scale(battery) * 1000);
}
-static int acpi_ac_get_present(struct acpi_sbs *sbs)
+static ssize_t acpi_battery_alarm_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
- int result = 0;
- s16 charger_status;
-
- result = acpi_sbs_read_word(sbs, ACPI_SBC_SMBUS_ADDR, 0x13,
- &charger_status);
-
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_read_word() failed"));
- goto end;
- }
-
- sbs->ac.ac_present = (charger_status & 0x8000) >> 15;
-
- end:
-
- return result;
+ unsigned long x;
+ struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev));
+ if (sscanf(buf, "%ld\n", &x) == 1)
+ battery->alarm_capacity = x /
+ (1000 * acpi_battery_scale(battery));
+ if (battery->present)
+ acpi_battery_set_alarm(battery);
+ return count;
}
+static struct device_attribute alarm_attr = {
+ .attr = {.name = "alarm", .mode = 0644, .owner = THIS_MODULE},
+ .show = acpi_battery_alarm_show,
+ .store = acpi_battery_alarm_store,
+};
+
/* --------------------------------------------------------------------------
FS Interface (/proc/acpi)
-------------------------------------------------------------------------- */
+#ifdef CONFIG_ACPI_PROCFS_POWER
/* Generic Routines */
-
static int
-acpi_sbs_generic_add_fs(struct proc_dir_entry **dir,
- struct proc_dir_entry *parent_dir,
- char *dir_name,
- struct file_operations *info_fops,
- struct file_operations *state_fops,
- struct file_operations *alarm_fops, void *data)
+acpi_sbs_add_fs(struct proc_dir_entry **dir,
+ struct proc_dir_entry *parent_dir,
+ char *dir_name,
+ struct file_operations *info_fops,
+ struct file_operations *state_fops,
+ struct file_operations *alarm_fops, void *data)
{
struct proc_dir_entry *entry = NULL;
if (!*dir) {
*dir = proc_mkdir(dir_name, parent_dir);
if (!*dir) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "proc_mkdir() failed"));
return -ENODEV;
}
(*dir)->owner = THIS_MODULE;
/* 'info' [R] */
if (info_fops) {
entry = create_proc_entry(ACPI_SBS_FILE_INFO, S_IRUGO, *dir);
- if (!entry) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "create_proc_entry() failed"));
- } else {
+ if (entry) {
entry->proc_fops = info_fops;
entry->data = data;
entry->owner = THIS_MODULE;
/* 'state' [R] */
if (state_fops) {
entry = create_proc_entry(ACPI_SBS_FILE_STATE, S_IRUGO, *dir);
- if (!entry) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "create_proc_entry() failed"));
- } else {
+ if (entry) {
entry->proc_fops = state_fops;
entry->data = data;
entry->owner = THIS_MODULE;
/* 'alarm' [R/W] */
if (alarm_fops) {
entry = create_proc_entry(ACPI_SBS_FILE_ALARM, S_IRUGO, *dir);
- if (!entry) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "create_proc_entry() failed"));
- } else {
+ if (entry) {
entry->proc_fops = alarm_fops;
entry->data = data;
entry->owner = THIS_MODULE;
}
}
-
return 0;
}
static void
-acpi_sbs_generic_remove_fs(struct proc_dir_entry **dir,
+acpi_sbs_remove_fs(struct proc_dir_entry **dir,
struct proc_dir_entry *parent_dir)
{
-
if (*dir) {
remove_proc_entry(ACPI_SBS_FILE_INFO, *dir);
remove_proc_entry(ACPI_SBS_FILE_STATE, *dir);
remove_proc_entry((*dir)->name, parent_dir);
*dir = NULL;
}
-
}
/* Smart Battery Interface */
-
static struct proc_dir_entry *acpi_battery_dir = NULL;
+static inline char *acpi_battery_units(struct acpi_battery *battery)
+{
+ return acpi_battery_mode(battery) ? " mWh" : " mAh";
+}
+
+
static int acpi_battery_read_info(struct seq_file *seq, void *offset)
{
struct acpi_battery *battery = seq->private;
struct acpi_sbs *sbs = battery->sbs;
- int cscale;
int result = 0;
- if (sbs_mutex_lock(sbs)) {
- return -ENODEV;
- }
-
- result = acpi_check_update_proc(sbs);
- if (result)
- goto end;
+ mutex_lock(&sbs->lock);
- if (update_time == 0) {
- result = acpi_sbs_update_run(sbs, battery->id, DATA_TYPE_INFO);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_update_run() failed"));
- }
- }
-
- if (battery->battery_present) {
- seq_printf(seq, "present: yes\n");
- } else {
- seq_printf(seq, "present: no\n");
+ seq_printf(seq, "present: %s\n",
+ (battery->present) ? "yes" : "no");
+ if (!battery->present)
goto end;
- }
- if (battery->info.capacity_mode) {
- cscale = battery->info.vscale * battery->info.ipscale;
- } else {
- cscale = battery->info.ipscale;
- }
seq_printf(seq, "design capacity: %i%s\n",
- battery->info.design_capacity * cscale,
- battery->info.capacity_mode ? "0 mWh" : " mAh");
-
+ battery->design_capacity * acpi_battery_scale(battery),
+ acpi_battery_units(battery));
seq_printf(seq, "last full capacity: %i%s\n",
- battery->info.full_charge_capacity * cscale,
- battery->info.capacity_mode ? "0 mWh" : " mAh");
-
+ battery->full_charge_capacity * acpi_battery_scale(battery),
+ acpi_battery_units(battery));
seq_printf(seq, "battery technology: rechargeable\n");
-
seq_printf(seq, "design voltage: %i mV\n",
- battery->info.design_voltage * battery->info.vscale);
-
+ battery->design_voltage * acpi_battery_vscale(battery));
seq_printf(seq, "design capacity warning: unknown\n");
seq_printf(seq, "design capacity low: unknown\n");
seq_printf(seq, "capacity granularity 1: unknown\n");
seq_printf(seq, "capacity granularity 2: unknown\n");
-
- seq_printf(seq, "model number: %s\n",
- battery->info.device_name);
-
+ seq_printf(seq, "model number: %s\n", battery->device_name);
seq_printf(seq, "serial number: %i\n",
- battery->info.serial_number);
-
+ battery->serial_number);
seq_printf(seq, "battery type: %s\n",
- battery->info.device_chemistry);
-
+ battery->device_chemistry);
seq_printf(seq, "OEM info: %s\n",
- battery->info.manufacturer_name);
-
+ battery->manufacturer_name);
end:
-
- sbs_mutex_unlock(sbs);
-
+ mutex_unlock(&sbs->lock);
return result;
}
struct acpi_battery *battery = seq->private;
struct acpi_sbs *sbs = battery->sbs;
int result = 0;
- int cscale;
- int foo;
-
- if (sbs_mutex_lock(sbs)) {
- return -ENODEV;
- }
-
- result = acpi_check_update_proc(sbs);
- if (result)
- goto end;
- if (update_time == 0) {
- result = acpi_sbs_update_run(sbs, battery->id, DATA_TYPE_STATE);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_update_run() failed"));
- }
- }
-
- if (battery->battery_present) {
- seq_printf(seq, "present: yes\n");
- } else {
- seq_printf(seq, "present: no\n");
+ mutex_lock(&sbs->lock);
+ seq_printf(seq, "present: %s\n",
+ (battery->present) ? "yes" : "no");
+ if (!battery->present)
goto end;
- }
-
- if (battery->info.capacity_mode) {
- cscale = battery->info.vscale * battery->info.ipscale;
- } else {
- cscale = battery->info.ipscale;
- }
-
- if (battery->state.battery_state & 0x0010) {
- seq_printf(seq, "capacity state: critical\n");
- } else {
- seq_printf(seq, "capacity state: ok\n");
- }
-
- foo = (s16) battery->state.amperage * battery->info.ipscale;
- if (battery->info.capacity_mode) {
- foo = foo * battery->info.design_voltage / 1000;
- }
- if (battery->state.amperage < 0) {
- seq_printf(seq, "charging state: discharging\n");
- seq_printf(seq, "present rate: %d %s\n",
- -foo, battery->info.capacity_mode ? "mW" : "mA");
- } else if (battery->state.amperage > 0) {
- seq_printf(seq, "charging state: charging\n");
- seq_printf(seq, "present rate: %d %s\n",
- foo, battery->info.capacity_mode ? "mW" : "mA");
- } else {
- seq_printf(seq, "charging state: charged\n");
- seq_printf(seq, "present rate: 0 %s\n",
- battery->info.capacity_mode ? "mW" : "mA");
- }
+ acpi_battery_get_state(battery);
+ seq_printf(seq, "capacity state: %s\n",
+ (battery->state & 0x0010) ? "critical" : "ok");
+ seq_printf(seq, "charging state: %s\n",
+ (battery->current_now < 0) ? "discharging" :
+ ((battery->current_now > 0) ? "charging" : "charged"));
+ seq_printf(seq, "present rate: %d mA\n",
+ abs(battery->current_now) * acpi_battery_ipscale(battery));
seq_printf(seq, "remaining capacity: %i%s\n",
- battery->state.remaining_capacity * cscale,
- battery->info.capacity_mode ? "0 mWh" : " mAh");
-
+ battery->capacity_now * acpi_battery_scale(battery),
+ acpi_battery_units(battery));
seq_printf(seq, "present voltage: %i mV\n",
- battery->state.voltage * battery->info.vscale);
+ battery->voltage_now * acpi_battery_vscale(battery));
end:
-
- sbs_mutex_unlock(sbs);
-
+ mutex_unlock(&sbs->lock);
return result;
}
struct acpi_battery *battery = seq->private;
struct acpi_sbs *sbs = battery->sbs;
int result = 0;
- int cscale;
-
- if (sbs_mutex_lock(sbs)) {
- return -ENODEV;
- }
-
- result = acpi_check_update_proc(sbs);
- if (result)
- goto end;
- if (update_time == 0) {
- result = acpi_sbs_update_run(sbs, battery->id, DATA_TYPE_ALARM);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_update_run() failed"));
- }
- }
+ mutex_lock(&sbs->lock);
- if (!battery->battery_present) {
+ if (!battery->present) {
seq_printf(seq, "present: no\n");
goto end;
}
- if (battery->info.capacity_mode) {
- cscale = battery->info.vscale * battery->info.ipscale;
- } else {
- cscale = battery->info.ipscale;
- }
-
+ acpi_battery_get_alarm(battery);
seq_printf(seq, "alarm: ");
- if (battery->alarm.remaining_capacity) {
+ if (battery->alarm_capacity)
seq_printf(seq, "%i%s\n",
- battery->alarm.remaining_capacity * cscale,
- battery->info.capacity_mode ? "0 mWh" : " mAh");
- } else {
+ battery->alarm_capacity *
+ acpi_battery_scale(battery),
+ acpi_battery_units(battery));
+ else
seq_printf(seq, "disabled\n");
- }
-
end:
-
- sbs_mutex_unlock(sbs);
-
+ mutex_unlock(&sbs->lock);
return result;
}
struct acpi_battery *battery = seq->private;
struct acpi_sbs *sbs = battery->sbs;
char alarm_string[12] = { '\0' };
- int result, old_alarm, new_alarm;
-
- if (sbs_mutex_lock(sbs)) {
- return -ENODEV;
- }
-
- result = acpi_check_update_proc(sbs);
- if (result)
- goto end;
-
- if (!battery->battery_present) {
+ int result = 0;
+ mutex_lock(&sbs->lock);
+ if (!battery->present) {
result = -ENODEV;
goto end;
}
-
if (count > sizeof(alarm_string) - 1) {
result = -EINVAL;
goto end;
}
-
if (copy_from_user(alarm_string, buffer, count)) {
result = -EFAULT;
goto end;
}
-
alarm_string[count] = 0;
-
- old_alarm = battery->alarm.remaining_capacity;
- new_alarm = simple_strtoul(alarm_string, NULL, 0);
-
- result = acpi_battery_set_alarm(battery, new_alarm);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_battery_set_alarm() failed"));
- acpi_battery_set_alarm(battery, old_alarm);
- goto end;
- }
- result = acpi_battery_get_alarm(battery);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_battery_get_alarm() failed"));
- acpi_battery_set_alarm(battery, old_alarm);
- goto end;
- }
-
+ battery->alarm_capacity = simple_strtoul(alarm_string, NULL, 0) /
+ acpi_battery_scale(battery);
+ acpi_battery_set_alarm(battery);
end:
- sbs_mutex_unlock(sbs);
-
- if (result) {
+ mutex_unlock(&sbs->lock);
+ if (result)
return result;
- } else {
- return count;
- }
+ return count;
}
static int acpi_battery_alarm_open_fs(struct inode *inode, struct file *file)
static int acpi_ac_read_state(struct seq_file *seq, void *offset)
{
- struct acpi_sbs *sbs = seq->private;
- int result;
- if (sbs_mutex_lock(sbs)) {
- return -ENODEV;
- }
+ struct acpi_sbs *sbs = seq->private;
- if (update_time == 0) {
- result = acpi_sbs_update_run(sbs, -1, DATA_TYPE_AC_STATE);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_update_run() failed"));
- }
- }
+ mutex_lock(&sbs->lock);
seq_printf(seq, "state: %s\n",
- sbs->ac.ac_present ? "on-line" : "off-line");
-
- sbs_mutex_unlock(sbs);
+ sbs->charger_present ? "on-line" : "off-line");
+ mutex_unlock(&sbs->lock);
return 0;
}
.owner = THIS_MODULE,
};
+#endif
+
/* --------------------------------------------------------------------------
Driver Interface
-------------------------------------------------------------------------- */
+static int acpi_battery_read(struct acpi_battery *battery)
+{
+ int result = 0, saved_present = battery->present;
+ u16 state;
+
+ if (battery->sbs->manager_present) {
+ result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD,
+ ACPI_SBS_MANAGER, 0x01, (u8 *)&state);
+ if (!result)
+ battery->present = state & (1 << battery->id);
+ state &= 0x0fff;
+ state |= 1 << (battery->id + 12);
+ acpi_smbus_write(battery->sbs->hc, SMBUS_WRITE_WORD,
+ ACPI_SBS_MANAGER, 0x01, (u8 *)&state, 2);
+ } else if (battery->id == 0)
+ battery->present = 1;
+ if (result || !battery->present)
+ return result;
-/* Smart Battery */
+ if (saved_present != battery->present) {
+ battery->update_time = 0;
+ result = acpi_battery_get_info(battery);
+ if (result)
+ return result;
+ }
+ result = acpi_battery_get_state(battery);
+ return result;
+}
+/* Smart Battery */
static int acpi_battery_add(struct acpi_sbs *sbs, int id)
{
- int is_present;
+ struct acpi_battery *battery = &sbs->battery[id];
int result;
- char dir_name[32];
- struct acpi_battery *battery;
-
- battery = &sbs->battery[id];
-
- battery->alive = 0;
- battery->init_state = 0;
battery->id = id;
battery->sbs = sbs;
+ result = acpi_battery_read(battery);
+ if (result)
+ return result;
- result = acpi_battery_select(battery);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_battery_select() failed"));
- goto end;
+ sprintf(battery->name, ACPI_BATTERY_DIR_NAME, id);
+#ifdef CONFIG_ACPI_PROCFS_POWER
+ acpi_sbs_add_fs(&battery->proc_entry, acpi_battery_dir,
+ battery->name, &acpi_battery_info_fops,
+ &acpi_battery_state_fops, &acpi_battery_alarm_fops,
+ battery);
+#endif
+ battery->bat.name = battery->name;
+ battery->bat.type = POWER_SUPPLY_TYPE_BATTERY;
+ if (!acpi_battery_mode(battery)) {
+ battery->bat.properties = sbs_charge_battery_props;
+ battery->bat.num_properties =
+ ARRAY_SIZE(sbs_charge_battery_props);
+ } else {
+ battery->bat.properties = sbs_energy_battery_props;
+ battery->bat.num_properties =
+ ARRAY_SIZE(sbs_energy_battery_props);
}
-
- result = acpi_battery_get_present(battery);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_battery_get_present() failed"));
+ battery->bat.get_property = acpi_sbs_battery_get_property;
+ result = power_supply_register(&sbs->device->dev, &battery->bat);
+ if (result)
goto end;
- }
-
- is_present = battery->battery_present;
-
- if (is_present) {
- result = acpi_battery_init(battery);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_battery_init() failed"));
- goto end;
- }
- battery->init_state = 1;
- }
-
- sprintf(dir_name, ACPI_BATTERY_DIR_NAME, id);
-
- result = acpi_sbs_generic_add_fs(&battery->battery_entry,
- acpi_battery_dir,
- dir_name,
- &acpi_battery_info_fops,
- &acpi_battery_state_fops,
- &acpi_battery_alarm_fops, battery);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_generic_add_fs() failed"));
+ result = device_create_file(battery->bat.dev, &alarm_attr);
+ if (result)
goto end;
- }
- battery->alive = 1;
-
- printk(KERN_INFO PREFIX "%s [%s]: Battery Slot [%s] (battery %s)\n",
- ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device), dir_name,
- sbs->battery->battery_present ? "present" : "absent");
-
+ battery->have_sysfs_alarm = 1;
end:
+ printk(KERN_INFO PREFIX "%s [%s]: Battery Slot [%s] (battery %s)\n",
+ ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device),
+ battery->name, sbs->battery->present ? "present" : "absent");
return result;
}
static void acpi_battery_remove(struct acpi_sbs *sbs, int id)
{
+ struct acpi_battery *battery = &sbs->battery[id];
- if (sbs->battery[id].battery_entry) {
- acpi_sbs_generic_remove_fs(&(sbs->battery[id].battery_entry),
- acpi_battery_dir);
+ if (battery->bat.dev) {
+ if (battery->have_sysfs_alarm)
+ device_remove_file(battery->bat.dev, &alarm_attr);
+ power_supply_unregister(&battery->bat);
}
+#ifdef CONFIG_ACPI_PROCFS_POWER
+ if (battery->proc_entry)
+ acpi_sbs_remove_fs(&battery->proc_entry, acpi_battery_dir);
+#endif
}
-static int acpi_ac_add(struct acpi_sbs *sbs)
+static int acpi_charger_add(struct acpi_sbs *sbs)
{
int result;
result = acpi_ac_get_present(sbs);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_ac_get_present() failed"));
+ if (result)
goto end;
- }
-
- result = acpi_sbs_generic_add_fs(&sbs->ac_entry,
- acpi_ac_dir,
- ACPI_AC_DIR_NAME,
- NULL, &acpi_ac_state_fops, NULL, sbs);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_generic_add_fs() failed"));
+#ifdef CONFIG_ACPI_PROCFS_POWER
+ result = acpi_sbs_add_fs(&sbs->charger_entry, acpi_ac_dir,
+ ACPI_AC_DIR_NAME, NULL,
+ &acpi_ac_state_fops, NULL, sbs);
+ if (result)
goto end;
- }
-
+#endif
+ sbs->charger.name = "sbs-charger";
+ sbs->charger.type = POWER_SUPPLY_TYPE_MAINS;
+ sbs->charger.properties = sbs_ac_props;
+ sbs->charger.num_properties = ARRAY_SIZE(sbs_ac_props);
+ sbs->charger.get_property = sbs_get_ac_property;
+ power_supply_register(&sbs->device->dev, &sbs->charger);
printk(KERN_INFO PREFIX "%s [%s]: AC Adapter [%s] (%s)\n",
ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device),
- ACPI_AC_DIR_NAME, sbs->ac.ac_present ? "on-line" : "off-line");
-
+ ACPI_AC_DIR_NAME, sbs->charger_present ? "on-line" : "off-line");
end:
-
return result;
}
-static void acpi_ac_remove(struct acpi_sbs *sbs)
+static void acpi_charger_remove(struct acpi_sbs *sbs)
{
-
- if (sbs->ac_entry) {
- acpi_sbs_generic_remove_fs(&sbs->ac_entry, acpi_ac_dir);
- }
-}
-
-static void acpi_sbs_update_time_run(unsigned long data)
-{
- acpi_os_execute(OSL_GPE_HANDLER, acpi_sbs_update_time, (void *)data);
+ if (sbs->charger.dev)
+ power_supply_unregister(&sbs->charger);
+#ifdef CONFIG_ACPI_PROCFS_POWER
+ if (sbs->charger_entry)
+ acpi_sbs_remove_fs(&sbs->charger_entry, acpi_ac_dir);
+#endif
}
-static int acpi_sbs_update_run(struct acpi_sbs *sbs, int id, int data_type)
+void acpi_sbs_callback(void *context)
{
- struct acpi_battery *battery;
- int result = 0, cnt;
- int old_ac_present = -1;
- int old_battery_present = -1;
- int new_ac_present = -1;
- int new_battery_present = -1;
- int id_min = 0, id_max = MAX_SBS_BAT - 1;
- char dir_name[32];
- int do_battery_init = 0, do_ac_init = 0;
- int old_remaining_capacity = 0;
- int update_ac = 1, update_battery = 1;
- int up_tm = update_time;
-
- if (sbs_zombie(sbs)) {
- goto end;
- }
-
- if (id >= 0) {
- id_min = id_max = id;
- }
-
- if (data_type == DATA_TYPE_COMMON && up_tm > 0) {
- cnt = up_tm / (up_tm > UPDATE_DELAY ? UPDATE_DELAY : up_tm);
- if (sbs->run_cnt % cnt != 0) {
- update_battery = 0;
- }
- }
-
- sbs->run_cnt++;
-
- if (!update_ac && !update_battery) {
- goto end;
- }
-
- old_ac_present = sbs->ac.ac_present;
-
- result = acpi_ac_get_present(sbs);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_ac_get_present() failed"));
- }
-
- new_ac_present = sbs->ac.ac_present;
-
- do_ac_init = (old_ac_present != new_ac_present);
- if (sbs->run_cnt == 1 && data_type == DATA_TYPE_COMMON) {
- do_ac_init = 1;
- }
-
- if (do_ac_init) {
- result = acpi_sbs_generate_event(sbs->device,
- ACPI_SBS_AC_NOTIFY_STATUS,
- new_ac_present,
- ACPI_AC_DIR_NAME,
- ACPI_AC_CLASS);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_generate_event() failed"));
- }
- }
-
- if (data_type == DATA_TYPE_COMMON) {
- if (!do_ac_init && !update_battery) {
- goto end;
- }
- }
-
- if (data_type == DATA_TYPE_AC_STATE && !do_ac_init) {
- goto end;
- }
-
- for (id = id_min; id <= id_max; id++) {
- battery = &sbs->battery[id];
- if (battery->alive == 0) {
- continue;
- }
-
- old_remaining_capacity = battery->state.remaining_capacity;
-
- old_battery_present = battery->battery_present;
-
- result = acpi_battery_select(battery);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_battery_select() failed"));
- }
-
- result = acpi_battery_get_present(battery);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_battery_get_present() failed"));
- }
-
- new_battery_present = battery->battery_present;
-
- do_battery_init = ((old_battery_present != new_battery_present)
- && new_battery_present);
- if (!new_battery_present)
- goto event;
- if (do_ac_init || do_battery_init) {
- result = acpi_battery_init(battery);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_battery_init() "
- "failed"));
- }
- }
- if (sbs_zombie(sbs)) {
- goto end;
- }
-
- if ((data_type == DATA_TYPE_COMMON
- || data_type == DATA_TYPE_INFO)
- && new_battery_present) {
- result = acpi_battery_get_info(battery);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_battery_get_info() failed"));
- }
- }
- if (data_type == DATA_TYPE_INFO) {
- continue;
- }
- if (sbs_zombie(sbs)) {
- goto end;
- }
-
- if ((data_type == DATA_TYPE_COMMON
- || data_type == DATA_TYPE_STATE)
- && new_battery_present) {
- result = acpi_battery_get_state(battery);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_battery_get_state() failed"));
- }
- }
- if (data_type == DATA_TYPE_STATE) {
- goto event;
- }
- if (sbs_zombie(sbs)) {
- goto end;
- }
-
- if ((data_type == DATA_TYPE_COMMON
- || data_type == DATA_TYPE_ALARM)
- && new_battery_present) {
- result = acpi_battery_get_alarm(battery);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_battery_get_alarm() "
- "failed"));
- }
- }
- if (data_type == DATA_TYPE_ALARM) {
- continue;
- }
- if (sbs_zombie(sbs)) {
- goto end;
- }
-
- event:
-
- if (old_battery_present != new_battery_present || do_ac_init ||
- old_remaining_capacity !=
- battery->state.remaining_capacity) {
- sprintf(dir_name, ACPI_BATTERY_DIR_NAME, id);
- result = acpi_sbs_generate_event(sbs->device,
- ACPI_SBS_BATTERY_NOTIFY_STATUS,
- new_battery_present,
- dir_name,
- ACPI_BATTERY_CLASS);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_generate_event() "
- "failed"));
- }
+ int id;
+ struct acpi_sbs *sbs = context;
+ struct acpi_battery *bat;
+ u8 saved_charger_state = sbs->charger_present;
+ u8 saved_battery_state;
+ acpi_ac_get_present(sbs);
+ if (sbs->charger_present != saved_charger_state) {
+#ifdef CONFIG_ACPI_PROC_EVENT
+ acpi_bus_generate_proc_event4(ACPI_AC_CLASS, ACPI_AC_DIR_NAME,
+ ACPI_SBS_NOTIFY_STATUS,
+ sbs->charger_present);
+#endif
+ kobject_uevent(&sbs->charger.dev->kobj, KOBJ_CHANGE);
+ }
+ if (sbs->manager_present) {
+ for (id = 0; id < MAX_SBS_BAT; ++id) {
+ if (!(sbs->batteries_supported & (1 << id)))
+ continue;
+ bat = &sbs->battery[id];
+ saved_battery_state = bat->present;
+ acpi_battery_read(bat);
+ if (saved_battery_state == bat->present)
+ continue;
+#ifdef CONFIG_ACPI_PROC_EVENT
+ acpi_bus_generate_proc_event4(ACPI_BATTERY_CLASS,
+ bat->name,
+ ACPI_SBS_NOTIFY_STATUS,
+ bat->present);
+#endif
+ kobject_uevent(&bat->bat.dev->kobj, KOBJ_CHANGE);
}
}
-
- end:
-
- return result;
}
-static void acpi_sbs_update_time(void *data)
-{
- struct acpi_sbs *sbs = data;
- unsigned long delay = -1;
- int result;
- unsigned int up_tm = update_time;
-
- if (sbs_mutex_lock(sbs))
- return;
-
- result = acpi_sbs_update_run(sbs, -1, DATA_TYPE_COMMON);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_update_run() failed"));
- }
-
- if (sbs_zombie(sbs)) {
- goto end;
- }
-
- if (!up_tm) {
- if (timer_pending(&sbs->update_timer))
- del_timer(&sbs->update_timer);
- } else {
- delay = (up_tm > UPDATE_DELAY ? UPDATE_DELAY : up_tm);
- delay = jiffies + HZ * delay;
- if (timer_pending(&sbs->update_timer)) {
- mod_timer(&sbs->update_timer, delay);
- } else {
- sbs->update_timer.data = (unsigned long)data;
- sbs->update_timer.function = acpi_sbs_update_time_run;
- sbs->update_timer.expires = delay;
- add_timer(&sbs->update_timer);
- }
- }
-
- end:
-
- sbs_mutex_unlock(sbs);
-}
+static int acpi_sbs_remove(struct acpi_device *device, int type);
static int acpi_sbs_add(struct acpi_device *device)
{
- struct acpi_sbs *sbs = NULL;
- int result = 0, remove_result = 0;
+ struct acpi_sbs *sbs;
+ int result = 0;
int id;
- acpi_status status = AE_OK;
- unsigned long val;
-
- status =
- acpi_evaluate_integer(device->handle, "_EC", NULL, &val);
- if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR, "Error obtaining _EC"));
- return -EIO;
- }
sbs = kzalloc(sizeof(struct acpi_sbs), GFP_KERNEL);
if (!sbs) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR, "kzalloc() failed"));
result = -ENOMEM;
goto end;
}
- mutex_init(&sbs->mutex);
+ mutex_init(&sbs->lock);
- sbs_mutex_lock(sbs);
-
- sbs->base = 0xff & (val >> 8);
+ sbs->hc = acpi_driver_data(device->parent);
sbs->device = device;
-
strcpy(acpi_device_name(device), ACPI_SBS_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_SBS_CLASS);
acpi_driver_data(device) = sbs;
- result = acpi_ac_add(sbs);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR, "acpi_ac_add() failed"));
- goto end;
- }
-
- acpi_sbsm_get_info(sbs);
-
- if (!sbs->sbsm_present) {
- result = acpi_battery_add(sbs, 0);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_battery_add() failed"));
- goto end;
- }
- } else {
- for (id = 0; id < MAX_SBS_BAT; id++) {
- if ((sbs->sbsm_batteries_supported & (1 << id))) {
- result = acpi_battery_add(sbs, id);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_battery_add() failed"));
- goto end;
- }
- }
- }
- }
-
- init_timer(&sbs->update_timer);
- result = acpi_check_update_proc(sbs);
+ result = acpi_charger_add(sbs);
if (result)
goto end;
+ result = acpi_manager_get_info(sbs);
+ if (!result) {
+ sbs->manager_present = 1;
+ for (id = 0; id < MAX_SBS_BAT; ++id)
+ if ((sbs->batteries_supported & (1 << id)))
+ acpi_battery_add(sbs, id);
+ } else
+ acpi_battery_add(sbs, 0);
+ acpi_smbus_register_callback(sbs->hc, acpi_sbs_callback, sbs);
end:
-
- sbs_mutex_unlock(sbs);
-
- if (result) {
- remove_result = acpi_sbs_remove(device, 0);
- if (remove_result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbs_remove() failed"));
- }
- }
-
+ if (result)
+ acpi_sbs_remove(device, 0);
return result;
}
struct acpi_sbs *sbs;
int id;
- if (!device) {
+ if (!device)
return -EINVAL;
- }
-
sbs = acpi_driver_data(device);
- if (!sbs) {
+ if (!sbs)
return -EINVAL;
- }
-
- sbs_mutex_lock(sbs);
-
- sbs->zombie = 1;
- del_timer_sync(&sbs->update_timer);
- acpi_os_wait_events_complete(NULL);
- del_timer_sync(&sbs->update_timer);
-
- for (id = 0; id < MAX_SBS_BAT; id++) {
+ mutex_lock(&sbs->lock);
+ acpi_smbus_unregister_callback(sbs->hc);
+ for (id = 0; id < MAX_SBS_BAT; ++id)
acpi_battery_remove(sbs, id);
- }
-
- acpi_ac_remove(sbs);
-
- sbs_mutex_unlock(sbs);
-
- mutex_destroy(&sbs->mutex);
-
+ acpi_charger_remove(sbs);
+ mutex_unlock(&sbs->lock);
+ mutex_destroy(&sbs->lock);
kfree(sbs);
-
return 0;
}
static void acpi_sbs_rmdirs(void)
{
+#ifdef CONFIG_ACPI_PROCFS_POWER
if (acpi_ac_dir) {
acpi_unlock_ac_dir(acpi_ac_dir);
acpi_ac_dir = NULL;
acpi_unlock_battery_dir(acpi_battery_dir);
acpi_battery_dir = NULL;
}
+#endif
}
static int acpi_sbs_resume(struct acpi_device *device)
{
struct acpi_sbs *sbs;
-
if (!device)
return -EINVAL;
-
sbs = device->driver_data;
-
- sbs->run_cnt = 0;
-
+ acpi_sbs_callback(sbs);
return 0;
}
+static struct acpi_driver acpi_sbs_driver = {
+ .name = "sbs",
+ .class = ACPI_SBS_CLASS,
+ .ids = sbs_device_ids,
+ .ops = {
+ .add = acpi_sbs_add,
+ .remove = acpi_sbs_remove,
+ .resume = acpi_sbs_resume,
+ },
+};
+
static int __init acpi_sbs_init(void)
{
int result = 0;
if (acpi_disabled)
return -ENODEV;
-
- if (capacity_mode != DEF_CAPACITY_UNIT
- && capacity_mode != MAH_CAPACITY_UNIT
- && capacity_mode != MWH_CAPACITY_UNIT) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "invalid capacity_mode = %d", capacity_mode));
- return -EINVAL;
- }
-
+#ifdef CONFIG_ACPI_PROCFS_POWER
acpi_ac_dir = acpi_lock_ac_dir();
- if (!acpi_ac_dir) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_lock_ac_dir() failed"));
+ if (!acpi_ac_dir)
return -ENODEV;
- }
-
acpi_battery_dir = acpi_lock_battery_dir();
if (!acpi_battery_dir) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_lock_battery_dir() failed"));
acpi_sbs_rmdirs();
return -ENODEV;
}
-
+#endif
result = acpi_bus_register_driver(&acpi_sbs_driver);
if (result < 0) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_bus_register_driver() failed"));
acpi_sbs_rmdirs();
return -ENODEV;
}
-
return 0;
}
static void __exit acpi_sbs_exit(void)
{
acpi_bus_unregister_driver(&acpi_sbs_driver);
-
acpi_sbs_rmdirs();
-
return;
}
git.samba.org / sfrench / cifs-2.6.git / blobdiff