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linux-davinci
Commit 12a5a712 authored by Len Brown's avatar Len Brown
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Pull sbs into release branch

parents 14d21785 439a8888
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drivers/acpi/Kconfig
View file @ 12a5a712
......@@ -351,11 +351,10 @@ config ACPI_HOTPLUG_MEMORY
config ACPI_SBS
tristate "Smart Battery System (EXPERIMENTAL)"
depends on X86 && I2C
depends on X86
depends on EXPERIMENTAL
help
This driver adds support for the Smart Battery System.
Depends on I2C (Device Drivers ---> I2C support)
A "Smart Battery" is quite old and quite rare compared
to today's ACPI "Control Method" battery.
......
drivers/acpi/Makefile
View file @ 12a5a712
......@@ -59,4 +59,4 @@ obj-$(CONFIG_ACPI_ASUS) += asus_acpi.o
obj-$(CONFIG_ACPI_TOSHIBA) += toshiba_acpi.o
obj-$(CONFIG_ACPI_HOTPLUG_MEMORY) += acpi_memhotplug.o
obj-y += cm_sbs.o
obj-$(CONFIG_ACPI_SBS) += i2c_ec.o sbs.o
obj-$(CONFIG_ACPI_SBS) += sbs.o
drivers/acpi/i2c_ec.c deleted 100644 → 0
View file @ 14d21785
/*
* SMBus driver for ACPI Embedded Controller ($Revision: 1.3 $)
*
* Copyright (c) 2002, 2005 Ducrot Bruno
* Copyright (c) 2005 Rich Townsend (tiny hacks & tweaks)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation version 2.
*/
#include <linux/version.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/stddef.h>
#include <linux/init.h>
#include <linux/i2c.h>
#include <linux/acpi.h>
#include <linux/delay.h>
#include "i2c_ec.h"
#define xudelay(t) udelay(t)
#define xmsleep(t) msleep(t)
#define ACPI_EC_HC_COMPONENT 0x00080000
#define ACPI_EC_HC_CLASS "ec_hc_smbus"
#define ACPI_EC_HC_HID "ACPI0001"
#define ACPI_EC_HC_DEVICE_NAME "EC HC smbus"
#define _COMPONENT ACPI_EC_HC_COMPONENT
ACPI_MODULE_NAME("i2c_ec");
static int acpi_ec_hc_add(struct acpi_device *device);
static int acpi_ec_hc_remove(struct acpi_device *device, int type);
static struct acpi_driver acpi_ec_hc_driver = {
.name = "i2c_ec",
.class = ACPI_EC_HC_CLASS,
.ids = ACPI_EC_HC_HID,
.ops = {
.add = acpi_ec_hc_add,
.remove = acpi_ec_hc_remove,
},
};
/* Various bit mask for EC_SC (R) */
#define OBF 0x01
#define IBF 0x02
#define CMD 0x08
#define BURST 0x10
#define SCI_EVT 0x20
#define SMI_EVT 0x40
/* Commands for EC_SC (W) */
#define RD_EC 0x80
#define WR_EC 0x81
#define BE_EC 0x82
#define BD_EC 0x83
#define QR_EC 0x84
/*
* ACPI 2.0 chapter 13 SMBus 2.0 EC register model
*/
#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_ALRM_A 0x25 /* alarm address */
#define ACPI_EC_SMB_ALRM_D 0x26 /* 2 bytes alarm data */
#define ACPI_EC_SMB_STS_DONE 0x80
#define ACPI_EC_SMB_STS_ALRM 0x40
#define ACPI_EC_SMB_STS_RES 0x20
#define ACPI_EC_SMB_STS_STATUS 0x1f
#define ACPI_EC_SMB_STATUS_OK 0x00
#define ACPI_EC_SMB_STATUS_FAIL 0x07
#define ACPI_EC_SMB_STATUS_DNAK 0x10
#define ACPI_EC_SMB_STATUS_DERR 0x11
#define ACPI_EC_SMB_STATUS_CMD_DENY 0x12
#define ACPI_EC_SMB_STATUS_UNKNOWN 0x13
#define ACPI_EC_SMB_STATUS_ACC_DENY 0x17
#define ACPI_EC_SMB_STATUS_TIMEOUT 0x18
#define ACPI_EC_SMB_STATUS_NOTSUP 0x19
#define ACPI_EC_SMB_STATUS_BUSY 0x1A
#define ACPI_EC_SMB_STATUS_PEC 0x1F
#define ACPI_EC_SMB_PRTCL_WRITE 0x00
#define ACPI_EC_SMB_PRTCL_READ 0x01
#define ACPI_EC_SMB_PRTCL_QUICK 0x02
#define ACPI_EC_SMB_PRTCL_BYTE 0x04
#define ACPI_EC_SMB_PRTCL_BYTE_DATA 0x06
#define ACPI_EC_SMB_PRTCL_WORD_DATA 0x08
#define ACPI_EC_SMB_PRTCL_BLOCK_DATA 0x0a
#define ACPI_EC_SMB_PRTCL_PROC_CALL 0x0c
#define ACPI_EC_SMB_PRTCL_BLOCK_PROC_CALL 0x0d
#define ACPI_EC_SMB_PRTCL_I2C_BLOCK_DATA 0x4a
#define ACPI_EC_SMB_PRTCL_PEC 0x80
/* Length of pre/post transaction sleep (msec) */
#define ACPI_EC_SMB_TRANSACTION_SLEEP 1
#define ACPI_EC_SMB_ACCESS_SLEEP1 1
#define ACPI_EC_SMB_ACCESS_SLEEP2 10
static int acpi_ec_smb_read(struct acpi_ec_smbus *smbus, u8 address, u8 * data)
{
u8 val;
int err;
err = ec_read(smbus->base + address, &val);
if (!err) {
*data = val;
}
xmsleep(ACPI_EC_SMB_TRANSACTION_SLEEP);
return (err);
}
static int acpi_ec_smb_write(struct acpi_ec_smbus *smbus, u8 address, u8 data)
{
int err;
err = ec_write(smbus->base + address, data);
return (err);
}
static int
acpi_ec_smb_access(struct i2c_adapter *adap, u16 addr, unsigned short flags,
char read_write, u8 command, int size,
union i2c_smbus_data *data)
{
struct acpi_ec_smbus *smbus = adap->algo_data;
unsigned char protocol, len = 0, pec, temp[2] = { 0, 0 };
int i;
if (read_write == I2C_SMBUS_READ) {
protocol = ACPI_EC_SMB_PRTCL_READ;
} else {
protocol = ACPI_EC_SMB_PRTCL_WRITE;
}
pec = (flags & I2C_CLIENT_PEC) ? ACPI_EC_SMB_PRTCL_PEC : 0;
switch (size) {
case I2C_SMBUS_QUICK:
protocol |= ACPI_EC_SMB_PRTCL_QUICK;
read_write = I2C_SMBUS_WRITE;
break;
case I2C_SMBUS_BYTE:
if (read_write == I2C_SMBUS_WRITE) {
acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA, data->byte);
}
protocol |= ACPI_EC_SMB_PRTCL_BYTE;
break;
case I2C_SMBUS_BYTE_DATA:
acpi_ec_smb_write(smbus, ACPI_EC_SMB_CMD, command);
if (read_write == I2C_SMBUS_WRITE) {
acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA, data->byte);
}
protocol |= ACPI_EC_SMB_PRTCL_BYTE_DATA;
break;
case I2C_SMBUS_WORD_DATA:
acpi_ec_smb_write(smbus, ACPI_EC_SMB_CMD, command);
if (read_write == I2C_SMBUS_WRITE) {
acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA, data->word);
acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA + 1,
data->word >> 8);
}
protocol |= ACPI_EC_SMB_PRTCL_WORD_DATA | pec;
break;
case I2C_SMBUS_BLOCK_DATA:
acpi_ec_smb_write(smbus, ACPI_EC_SMB_CMD, command);
if (read_write == I2C_SMBUS_WRITE) {
len = min_t(u8, data->block[0], 32);
acpi_ec_smb_write(smbus, ACPI_EC_SMB_BCNT, len);
for (i = 0; i < len; i++)
acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA + i,
data->block[i + 1]);
}
protocol |= ACPI_EC_SMB_PRTCL_BLOCK_DATA | pec;
break;
case I2C_SMBUS_I2C_BLOCK_DATA:
len = min_t(u8, data->block[0], 32);
acpi_ec_smb_write(smbus, ACPI_EC_SMB_CMD, command);
acpi_ec_smb_write(smbus, ACPI_EC_SMB_BCNT, len);
if (read_write == I2C_SMBUS_WRITE) {
for (i = 0; i < len; i++) {
acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA + i,
data->block[i + 1]);
}
}
protocol |= ACPI_EC_SMB_PRTCL_I2C_BLOCK_DATA;
break;
case I2C_SMBUS_PROC_CALL:
acpi_ec_smb_write(smbus, ACPI_EC_SMB_CMD, command);
acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA, data->word);
acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA + 1, data->word >> 8);
protocol = ACPI_EC_SMB_PRTCL_PROC_CALL | pec;
read_write = I2C_SMBUS_READ;
break;
case I2C_SMBUS_BLOCK_PROC_CALL:
protocol |= pec;
len = min_t(u8, data->block[0], 31);
acpi_ec_smb_write(smbus, ACPI_EC_SMB_CMD, command);
acpi_ec_smb_write(smbus, ACPI_EC_SMB_BCNT, len);
for (i = 0; i < len; i++)
acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA + i,
data->block[i + 1]);
protocol = ACPI_EC_SMB_PRTCL_BLOCK_PROC_CALL | pec;
read_write = I2C_SMBUS_READ;
break;
default:
ACPI_DEBUG_PRINT((ACPI_DB_WARN, "EC SMBus adapter: "
"Unsupported transaction %d\n", size));
return (-1);
}
acpi_ec_smb_write(smbus, ACPI_EC_SMB_ADDR, addr << 1);
acpi_ec_smb_write(smbus, ACPI_EC_SMB_PRTCL, protocol);
acpi_ec_smb_read(smbus, ACPI_EC_SMB_STS, temp + 0);
if (~temp[0] & ACPI_EC_SMB_STS_DONE) {
xudelay(500);
acpi_ec_smb_read(smbus, ACPI_EC_SMB_STS, temp + 0);
}
if (~temp[0] & ACPI_EC_SMB_STS_DONE) {
xmsleep(ACPI_EC_SMB_ACCESS_SLEEP2);
acpi_ec_smb_read(smbus, ACPI_EC_SMB_STS, temp + 0);
}
if ((~temp[0] & ACPI_EC_SMB_STS_DONE)
|| (temp[0] & ACPI_EC_SMB_STS_STATUS)) {
return (-1);
}
if (read_write == I2C_SMBUS_WRITE) {
return (0);
}
switch (size) {
case I2C_SMBUS_BYTE:
case I2C_SMBUS_BYTE_DATA:
acpi_ec_smb_read(smbus, ACPI_EC_SMB_DATA, &data->byte);
break;
case I2C_SMBUS_WORD_DATA:
case I2C_SMBUS_PROC_CALL:
acpi_ec_smb_read(smbus, ACPI_EC_SMB_DATA, temp + 0);
acpi_ec_smb_read(smbus, ACPI_EC_SMB_DATA + 1, temp + 1);
data->word = (temp[1] << 8) | temp[0];
break;
case I2C_SMBUS_BLOCK_DATA:
case I2C_SMBUS_BLOCK_PROC_CALL:
len = 0;
acpi_ec_smb_read(smbus, ACPI_EC_SMB_BCNT, &len);
len = min_t(u8, len, 32);
case I2C_SMBUS_I2C_BLOCK_DATA:
for (i = 0; i < len; i++)
acpi_ec_smb_read(smbus, ACPI_EC_SMB_DATA + i,
data->block + i + 1);
data->block[0] = len;
break;
}
return (0);
}
static u32 acpi_ec_smb_func(struct i2c_adapter *adapter)
{
return (I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE |
I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA |
I2C_FUNC_SMBUS_BLOCK_DATA |
I2C_FUNC_SMBUS_PROC_CALL |
I2C_FUNC_SMBUS_BLOCK_PROC_CALL |
I2C_FUNC_SMBUS_I2C_BLOCK | I2C_FUNC_SMBUS_HWPEC_CALC);
}
static const struct i2c_algorithm acpi_ec_smbus_algorithm = {
.smbus_xfer = acpi_ec_smb_access,
.functionality = acpi_ec_smb_func,
};
static int acpi_ec_hc_add(struct acpi_device *device)
{
int status;
unsigned long val;
struct acpi_ec_hc *ec_hc;
struct acpi_ec_smbus *smbus;
if (!device) {
return -EINVAL;
}
ec_hc = kzalloc(sizeof(struct acpi_ec_hc), GFP_KERNEL);
if (!ec_hc) {
return -ENOMEM;
}
smbus = kzalloc(sizeof(struct acpi_ec_smbus), GFP_KERNEL);
if (!smbus) {
kfree(ec_hc);
return -ENOMEM;
}
ec_hc->handle = device->handle;
strcpy(acpi_device_name(device), ACPI_EC_HC_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_EC_HC_CLASS);
acpi_driver_data(device) = ec_hc;
status = acpi_evaluate_integer(ec_hc->handle, "_EC", NULL, &val);
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Error obtaining _EC\n"));
kfree(ec_hc);
kfree(smbus);
return -EIO;
}
smbus->ec = acpi_driver_data(device->parent);
smbus->base = (val & 0xff00ull) >> 8;
smbus->alert = val & 0xffull;
smbus->adapter.owner = THIS_MODULE;
smbus->adapter.algo = &acpi_ec_smbus_algorithm;
smbus->adapter.algo_data = smbus;
smbus->adapter.dev.parent = &device->dev;
if (i2c_add_adapter(&smbus->adapter)) {
ACPI_DEBUG_PRINT((ACPI_DB_WARN,
"EC SMBus adapter: Failed to register adapter\n"));
kfree(smbus);
kfree(ec_hc);
return -EIO;
}
ec_hc->smbus = smbus;
printk(KERN_INFO PREFIX "%s [%s]\n",
acpi_device_name(device), acpi_device_bid(device));
return AE_OK;
}
static int acpi_ec_hc_remove(struct acpi_device *device, int type)
{
struct acpi_ec_hc *ec_hc;
if (!device) {
return -EINVAL;
}
ec_hc = acpi_driver_data(device);
i2c_del_adapter(&ec_hc->smbus->adapter);
kfree(ec_hc->smbus);
kfree(ec_hc);
return AE_OK;
}
static int __init acpi_ec_hc_init(void)
{
int result;
result = acpi_bus_register_driver(&acpi_ec_hc_driver);
if (result < 0) {
return -ENODEV;
}
return 0;
}
static void __exit acpi_ec_hc_exit(void)
{
acpi_bus_unregister_driver(&acpi_ec_hc_driver);
}
struct acpi_ec_hc *acpi_get_ec_hc(struct acpi_device *device)
{
return acpi_driver_data(device->parent);
}
EXPORT_SYMBOL(acpi_get_ec_hc);
module_init(acpi_ec_hc_init);
module_exit(acpi_ec_hc_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Ducrot Bruno");
MODULE_DESCRIPTION("ACPI EC SMBus driver");
drivers/acpi/i2c_ec.h deleted 100644 → 0
View file @ 14d21785
/*
* SMBus driver for ACPI Embedded Controller ($Revision: 1.2 $)
*
* Copyright (c) 2002, 2005 Ducrot Bruno
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation version 2.
*/
struct acpi_ec_smbus {
struct i2c_adapter adapter;
union acpi_ec *ec;
int base;
int alert;
};
struct acpi_ec_hc {
acpi_handle handle;
struct acpi_ec_smbus *smbus;
};
struct acpi_ec_hc *acpi_get_ec_hc(struct acpi_device *device);
drivers/acpi/sbs.c
View file @ 12a5a712
......@@ -30,30 +30,10 @@
#include <linux/seq_file.h>
#include <asm/uaccess.h>
#include <linux/acpi.h>
#include <linux/i2c.h>
#include <linux/timer.h>
#include <linux/jiffies.h>
#include <linux/delay.h>
#include "i2c_ec.h"
#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
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 ACPI_SBS_COMPONENT 0x00080000
#define ACPI_SBS_CLASS "sbs"
#define ACPI_AC_CLASS "ac_adapter"
......@@ -74,39 +54,75 @@ extern void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir);
#define _COMPONENT ACPI_SBS_COMPONENT
#define MAX_SBS_BAT 4
#define MAX_SMBUS_ERR 1
ACPI_MODULE_NAME("sbs");
MODULE_AUTHOR("Rich Townsend");
MODULE_DESCRIPTION("Smart Battery System ACPI interface driver");
MODULE_LICENSE("GPL");
static struct semaphore sbs_sem;
#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 UPDATE_MODE QUEUE_UPDATE_MODE
/* REQUEST_UPDATE_MODE QUEUE_UPDATE_MODE */
#define UPDATE_INFO_MODE 0
#define UPDATE_TIME 60
#define UPDATE_TIME2 0
#define ACPI_EC_SMB_STS_DONE 0x80
#define ACPI_EC_SMB_STS_STATUS 0x1f
static int capacity_mode = CAPACITY_UNIT;
static int update_mode = UPDATE_MODE;
static int update_info_mode = UPDATE_INFO_MODE;
static int update_time = UPDATE_TIME;
static int update_time2 = UPDATE_TIME2;
#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
module_param(capacity_mode, int, 0);
module_param(update_mode, int, 0);
module_param(update_info_mode, int, 0);
module_param(update_time, int, 0);
module_param(update_time2, int, 0);
#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
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 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 void acpi_battery_smbus_err_handler(struct acpi_ec_smbus *smbus);
static void acpi_sbs_update_queue(void *data);
static int acpi_sbs_resume(struct acpi_device *device);
static struct acpi_driver acpi_sbs_driver = {
.name = "sbs",
......@@ -115,9 +131,14 @@ static struct acpi_driver acpi_sbs_driver = {
.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;
......@@ -126,18 +147,16 @@ struct acpi_battery_info {
int vscale;
int ipscale;
s16 serial_number;
char manufacturer_name[I2C_SMBUS_BLOCK_MAX + 3];
char device_name[I2C_SMBUS_BLOCK_MAX + 3];
char device_chemistry[I2C_SMBUS_BLOCK_MAX + 3];
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 average_time_to_empty;
s16 average_time_to_full;
s16 battery_status;
s16 battery_state;
};
struct acpi_battery_alarm {
......@@ -146,9 +165,9 @@ struct acpi_battery_alarm {
struct acpi_battery {
int alive;
int battery_present;
int id;
int init_state;
int battery_present;
struct acpi_sbs *sbs;
struct acpi_battery_info info;
struct acpi_battery_state state;
......@@ -158,186 +177,251 @@ struct acpi_battery {
struct acpi_sbs {
acpi_handle handle;
int base;
struct acpi_device *device;
struct acpi_ec_smbus *smbus;
struct mutex mutex;
int sbsm_present;
int sbsm_batteries_supported;
int ac_present;
struct proc_dir_entry *ac_entry;
struct acpi_ac ac;
struct acpi_battery battery[MAX_SBS_BAT];
int update_info_mode;
int zombie;
int update_time;
int update_time2;
struct timer_list update_timer;
int run_cnt;
int update_proc_flg;
};
static void acpi_update_delay(struct acpi_sbs *sbs);
static int acpi_sbs_update_run(struct acpi_sbs *sbs, int data_type);
static int acpi_sbs_update_run(struct acpi_sbs *sbs, int id, int data_type);
static void acpi_sbs_update_time(void *data);
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 void acpi_battery_smbus_err_handler(struct acpi_ec_smbus *smbus)
static int acpi_ec_sbs_read(struct acpi_sbs *sbs, u8 address, u8 * data)
{
union i2c_smbus_data data;
int result = 0;
char *err_str;
int err_number;
u8 val;
int err;
data.word = 0;
err = ec_read(sbs->base + address, &val);
if (!err) {
*data = val;
}
xmsleep(ACPI_EC_SMB_TRANSACTION_SLEEP);
return (err);
}
result = smbus->adapter.algo->
smbus_xfer(&smbus->adapter,
ACPI_SB_SMBUS_ADDR,
0, I2C_SMBUS_READ, 0x16, I2C_SMBUS_BLOCK_DATA, &data);
static int acpi_ec_sbs_write(struct acpi_sbs *sbs, u8 address, u8 data)
{
int err;
err_number = (data.word & 0x000f);
err = ec_write(sbs->base + address, data);
return (err);
}
switch (data.word & 0x000f) {
case 0x0000:
err_str = "unexpected bus error";
break;
case 0x0001:
err_str = "busy";
break;
case 0x0002:
err_str = "reserved command";
break;
case 0x0003:
err_str = "unsupported command";
break;
case 0x0004:
err_str = "access denied";
static int
acpi_ec_sbs_access(struct acpi_sbs *sbs, u16 addr,
char read_write, u8 command, int size,
union sbs_rw_data *data)
{
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 0x0005:
err_str = "overflow/underflow";
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;
case 0x0006:
err_str = "bad size";
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 0x0007:
err_str = "unknown error";
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:
err_str = "unrecognized error";
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"unsupported transaction %d", size));
return (-1);
}
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"%s: ret %i, err %i\n", err_str, result, err_number));
return (0);
}
static int
acpi_sbs_smbus_read_word(struct acpi_ec_smbus *smbus, int addr, int func,
u16 * word,
void (*err_handler) (struct acpi_ec_smbus * smbus))
acpi_sbs_read_word(struct acpi_sbs *sbs, int addr, int func, u16 * word)
{
union i2c_smbus_data data;
union sbs_rw_data data;
int result = 0;
int i;
if (err_handler == NULL) {
err_handler = acpi_battery_smbus_err_handler;
}
for (i = 0; i < MAX_SMBUS_ERR; i++) {
result =
smbus->adapter.algo->smbus_xfer(&smbus->adapter, addr, 0,
I2C_SMBUS_READ, func,
I2C_SMBUS_WORD_DATA, &data);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"try %i: smbus->adapter.algo->smbus_xfer() failed\n",
i));
if (err_handler) {
err_handler(smbus);
}
} else {
*word = data.word;
break;
}
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_smbus_read_str(struct acpi_ec_smbus *smbus, int addr, int func,
char *str,
void (*err_handler) (struct acpi_ec_smbus * smbus))
acpi_sbs_read_str(struct acpi_sbs *sbs, int addr, int func, char *str)
{
union i2c_smbus_data data;
union sbs_rw_data data;
int result = 0;
int i;
if (err_handler == NULL) {
err_handler = acpi_battery_smbus_err_handler;
}
for (i = 0; i < MAX_SMBUS_ERR; i++) {
result =
smbus->adapter.algo->smbus_xfer(&smbus->adapter, addr, 0,
I2C_SMBUS_READ, func,
I2C_SMBUS_BLOCK_DATA,
&data);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"try %i: smbus->adapter.algo->smbus_xfer() failed\n",
i));
if (err_handler) {
err_handler(smbus);
}
} else {
strncpy(str, (const char *)data.block + 1,
data.block[0]);
str[data.block[0]] = 0;
break;
}
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_smbus_write_word(struct acpi_ec_smbus *smbus, int addr, int func,
int word,
void (*err_handler) (struct acpi_ec_smbus * smbus))
acpi_sbs_write_word(struct acpi_sbs *sbs, int addr, int func, int word)
{
union i2c_smbus_data data;
union sbs_rw_data data;
int result = 0;
int i;
if (err_handler == NULL) {
err_handler = acpi_battery_smbus_err_handler;
}
data.word = word;
for (i = 0; i < MAX_SMBUS_ERR; i++) {
result =
smbus->adapter.algo->smbus_xfer(&smbus->adapter, addr, 0,
I2C_SMBUS_WRITE, func,
I2C_SMBUS_WORD_DATA, &data);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"try %i: smbus->adapter.algo"
"->smbus_xfer() failed\n", i));
if (err_handler) {
err_handler(smbus);
}
} else {
break;
}
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;
}
static int sbs_zombie(struct acpi_sbs *sbs)
{
return (sbs->zombie);
}
static int sbs_mutex_lock(struct acpi_sbs *sbs)
{
if (sbs_zombie(sbs)) {
return -ENODEV;
}
mutex_lock(&sbs->mutex);
return 0;
}
static void sbs_mutex_unlock(struct acpi_sbs *sbs)
{
mutex_unlock(&sbs->mutex);
}
/* --------------------------------------------------------------------------
Smart Battery System Management
-------------------------------------------------------------------------- */
/* Smart Battery */
static int acpi_check_update_proc(struct acpi_sbs *sbs)
{
acpi_status status = AE_OK;
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;
}
return 0;
}
static int acpi_sbs_generate_event(struct acpi_device *device,
int event, int state, char *bid, char *class)
......@@ -366,12 +450,11 @@ static int acpi_battery_get_present(struct acpi_battery *battery)
int result = 0;
int is_present = 0;
result = acpi_sbs_smbus_read_word(battery->sbs->smbus,
ACPI_SBSM_SMBUS_ADDR, 0x01,
&state, NULL);
result = acpi_sbs_read_word(battery->sbs,
ACPI_SBSM_SMBUS_ADDR, 0x01, &state);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_smbus_read_word() failed"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_read_word() failed"));
}
if (!result) {
is_present = (state & 0x000f) & (1 << battery->id);
......@@ -381,45 +464,33 @@ static int acpi_battery_get_present(struct acpi_battery *battery)
return result;
}
static int acpi_battery_is_present(struct acpi_battery *battery)
{
return (battery->battery_present);
}
static int acpi_ac_is_present(struct acpi_sbs *sbs)
{
return (sbs->ac_present);
}
static int acpi_battery_select(struct acpi_battery *battery)
{
struct acpi_ec_smbus *smbus = battery->sbs->smbus;
struct acpi_sbs *sbs = battery->sbs;
int result = 0;
s16 state;
int foo;
if (battery->sbs->sbsm_present) {
if (sbs->sbsm_present) {
/* Take special care not to knobble other nibbles of
* state (aka selector_state), since
* it causes charging to halt on SBSELs */
result =
acpi_sbs_smbus_read_word(smbus, ACPI_SBSM_SMBUS_ADDR, 0x01,
&state, NULL);
acpi_sbs_read_word(sbs, ACPI_SBSM_SMBUS_ADDR, 0x01, &state);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_smbus_read_word() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_read_word() failed"));
goto end;
}
foo = (state & 0x0fff) | (1 << (battery->id + 12));
result =
acpi_sbs_smbus_write_word(smbus, ACPI_SBSM_SMBUS_ADDR, 0x01,
foo, NULL);
acpi_sbs_write_word(sbs, ACPI_SBSM_SMBUS_ADDR, 0x01, foo);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_smbus_write_word() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_write_word() failed"));
goto end;
}
}
......@@ -430,15 +501,14 @@ static int acpi_battery_select(struct acpi_battery *battery)
static int acpi_sbsm_get_info(struct acpi_sbs *sbs)
{
struct acpi_ec_smbus *smbus = sbs->smbus;
int result = 0;
s16 battery_system_info;
result = acpi_sbs_smbus_read_word(smbus, ACPI_SBSM_SMBUS_ADDR, 0x04,
&battery_system_info, NULL);
result = acpi_sbs_read_word(sbs, ACPI_SBSM_SMBUS_ADDR, 0x04,
&battery_system_info);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_smbus_read_word() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_read_word() failed"));
goto end;
}
......@@ -451,53 +521,50 @@ static int acpi_sbsm_get_info(struct acpi_sbs *sbs)
static int acpi_battery_get_info(struct acpi_battery *battery)
{
struct acpi_ec_smbus *smbus = battery->sbs->smbus;
struct acpi_sbs *sbs = battery->sbs;
int result = 0;
s16 battery_mode;
s16 specification_info;
result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x03,
&battery_mode,
&acpi_battery_smbus_err_handler);
result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x03,
&battery_mode);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_smbus_read_word() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_read_word() failed"));
goto end;
}
battery->info.capacity_mode = (battery_mode & 0x8000) >> 15;
result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x10,
&battery->info.full_charge_capacity,
&acpi_battery_smbus_err_handler);
result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x10,
&battery->info.full_charge_capacity);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_smbus_read_word() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_read_word() failed"));
goto end;
}
result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x18,
&battery->info.design_capacity,
&acpi_battery_smbus_err_handler);
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_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x19,
&battery->info.design_voltage,
&acpi_battery_smbus_err_handler);
result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x19,
&battery->info.design_voltage);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_smbus_read_word() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_read_word() failed"));
goto end;
}
result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x1a,
&specification_info,
&acpi_battery_smbus_err_handler);
result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x1a,
&specification_info);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_smbus_read_word() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_read_word() failed"));
goto end;
}
......@@ -529,37 +596,35 @@ static int acpi_battery_get_info(struct acpi_battery *battery)
battery->info.ipscale = 1;
}
result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x1c,
&battery->info.serial_number,
&acpi_battery_smbus_err_handler);
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_smbus_read_str(smbus, ACPI_SB_SMBUS_ADDR, 0x20,
battery->info.manufacturer_name,
&acpi_battery_smbus_err_handler);
result = acpi_sbs_read_str(sbs, ACPI_SB_SMBUS_ADDR, 0x20,
battery->info.manufacturer_name);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_smbus_read_str() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_read_str() failed"));
goto end;
}
result = acpi_sbs_smbus_read_str(smbus, ACPI_SB_SMBUS_ADDR, 0x21,
battery->info.device_name,
&acpi_battery_smbus_err_handler);
result = acpi_sbs_read_str(sbs, ACPI_SB_SMBUS_ADDR, 0x21,
battery->info.device_name);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_smbus_read_str() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_read_str() failed"));
goto end;
}
result = acpi_sbs_smbus_read_str(smbus, ACPI_SB_SMBUS_ADDR, 0x22,
battery->info.device_chemistry,
&acpi_battery_smbus_err_handler);
result = acpi_sbs_read_str(sbs, ACPI_SB_SMBUS_ADDR, 0x22,
battery->info.device_chemistry);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_smbus_read_str() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_read_str() failed"));
goto end;
}
......@@ -567,103 +632,60 @@ static int acpi_battery_get_info(struct acpi_battery *battery)
return result;
}
static void acpi_update_delay(struct acpi_sbs *sbs)
{
if (sbs->zombie) {
return;
}
if (sbs->update_time2 > 0) {
msleep(sbs->update_time2 * 1000);
}
}
static int acpi_battery_get_state(struct acpi_battery *battery)
{
struct acpi_ec_smbus *smbus = battery->sbs->smbus;
struct acpi_sbs *sbs = battery->sbs;
int result = 0;
acpi_update_delay(battery->sbs);
result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x09,
&battery->state.voltage,
&acpi_battery_smbus_err_handler);
result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x09,
&battery->state.voltage);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_smbus_read_word() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_read_word() failed"));
goto end;
}
acpi_update_delay(battery->sbs);
result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x0a,
&battery->state.amperage,
&acpi_battery_smbus_err_handler);
result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x0a,
&battery->state.amperage);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_smbus_read_word() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_read_word() failed"));
goto end;
}
acpi_update_delay(battery->sbs);
result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x0f,
&battery->state.remaining_capacity,
&acpi_battery_smbus_err_handler);
result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x0f,
&battery->state.remaining_capacity);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_smbus_read_word() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_read_word() failed"));
goto end;
}
acpi_update_delay(battery->sbs);
result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x12,
&battery->state.average_time_to_empty,
&acpi_battery_smbus_err_handler);
result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x16,
&battery->state.battery_state);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_smbus_read_word() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_read_word() failed"));
goto end;
}
acpi_update_delay(battery->sbs);
result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x13,
&battery->state.average_time_to_full,
&acpi_battery_smbus_err_handler);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_smbus_read_word() failed\n"));
goto end;
}
acpi_update_delay(battery->sbs);
result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x16,
&battery->state.battery_status,
&acpi_battery_smbus_err_handler);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_smbus_read_word() failed\n"));
goto end;
}
acpi_update_delay(battery->sbs);
end:
return result;
}
static int acpi_battery_get_alarm(struct acpi_battery *battery)
{
struct acpi_ec_smbus *smbus = battery->sbs->smbus;
struct acpi_sbs *sbs = battery->sbs;
int result = 0;
result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x01,
&battery->alarm.remaining_capacity,
&acpi_battery_smbus_err_handler);
result = acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x01,
&battery->alarm.remaining_capacity);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_smbus_read_word() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_read_word() failed"));
goto end;
}
acpi_update_delay(battery->sbs);
end:
return result;
......@@ -672,15 +694,15 @@ static int acpi_battery_get_alarm(struct acpi_battery *battery)
static int acpi_battery_set_alarm(struct acpi_battery *battery,
unsigned long alarm)
{
struct acpi_ec_smbus *smbus = battery->sbs->smbus;
struct acpi_sbs *sbs = battery->sbs;
int result = 0;
s16 battery_mode;
int foo;
result = acpi_battery_select(battery);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_battery_select() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_battery_select() failed"));
goto end;
}
......@@ -688,33 +710,29 @@ static int acpi_battery_set_alarm(struct acpi_battery *battery,
if (alarm > 0) {
result =
acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x03,
&battery_mode,
&acpi_battery_smbus_err_handler);
acpi_sbs_read_word(sbs, ACPI_SB_SMBUS_ADDR, 0x03,
&battery_mode);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_smbus_read_word() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_read_word() failed"));
goto end;
}
result =
acpi_sbs_smbus_write_word(smbus, ACPI_SB_SMBUS_ADDR, 0x01,
battery_mode & 0xbfff,
&acpi_battery_smbus_err_handler);
acpi_sbs_write_word(sbs, ACPI_SB_SMBUS_ADDR, 0x01,
battery_mode & 0xbfff);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_smbus_write_word() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_write_word() failed"));
goto end;
}
}
foo = alarm / (battery->info.capacity_mode ? 10 : 1);
result = acpi_sbs_smbus_write_word(smbus, ACPI_SB_SMBUS_ADDR, 0x01,
foo,
&acpi_battery_smbus_err_handler);
result = acpi_sbs_write_word(sbs, ACPI_SB_SMBUS_ADDR, 0x01, foo);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_smbus_write_word() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_write_word() failed"));
goto end;
}
......@@ -725,6 +743,7 @@ static int acpi_battery_set_alarm(struct acpi_battery *battery,
static int acpi_battery_set_mode(struct acpi_battery *battery)
{
struct acpi_sbs *sbs = battery->sbs;
int result = 0;
s16 battery_mode;
......@@ -732,12 +751,11 @@ static int acpi_battery_set_mode(struct acpi_battery *battery)
goto end;
}
result = acpi_sbs_smbus_read_word(battery->sbs->smbus,
ACPI_SB_SMBUS_ADDR, 0x03,
&battery_mode, NULL);
result = acpi_sbs_read_word(sbs,
ACPI_SB_SMBUS_ADDR, 0x03, &battery_mode);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_smbus_read_word() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_read_word() failed"));
goto end;
}
......@@ -746,21 +764,19 @@ static int acpi_battery_set_mode(struct acpi_battery *battery)
} else {
battery_mode |= 0x8000;
}
result = acpi_sbs_smbus_write_word(battery->sbs->smbus,
ACPI_SB_SMBUS_ADDR, 0x03,
battery_mode, NULL);
result = acpi_sbs_write_word(sbs,
ACPI_SB_SMBUS_ADDR, 0x03, battery_mode);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_smbus_write_word() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_write_word() failed"));
goto end;
}
result = acpi_sbs_smbus_read_word(battery->sbs->smbus,
ACPI_SB_SMBUS_ADDR, 0x03,
&battery_mode, NULL);
result = acpi_sbs_read_word(sbs,
ACPI_SB_SMBUS_ADDR, 0x03, &battery_mode);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_smbus_read_word() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_read_word() failed"));
goto end;
}
......@@ -774,36 +790,36 @@ static int acpi_battery_init(struct acpi_battery *battery)
result = acpi_battery_select(battery);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_battery_init() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_battery_select() failed"));
goto end;
}
result = acpi_battery_set_mode(battery);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_battery_set_mode() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_battery_set_mode() failed"));
goto end;
}
result = acpi_battery_get_info(battery);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_battery_get_info() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_battery_get_info() failed"));
goto end;
}
result = acpi_battery_get_state(battery);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_battery_get_state() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_battery_get_state() failed"));
goto end;
}
result = acpi_battery_get_alarm(battery);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_battery_get_alarm() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_battery_get_alarm() failed"));
goto end;
}
......@@ -813,20 +829,19 @@ static int acpi_battery_init(struct acpi_battery *battery)
static int acpi_ac_get_present(struct acpi_sbs *sbs)
{
struct acpi_ec_smbus *smbus = sbs->smbus;
int result = 0;
s16 charger_status;
result = acpi_sbs_smbus_read_word(smbus, ACPI_SBC_SMBUS_ADDR, 0x13,
&charger_status, NULL);
result = acpi_sbs_read_word(sbs, ACPI_SBC_SMBUS_ADDR, 0x13,
&charger_status);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_smbus_read_word() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_read_word() failed"));
goto end;
}
sbs->ac_present = (charger_status & 0x8000) >> 15;
sbs->ac.ac_present = (charger_status & 0x8000) >> 15;
end:
......@@ -852,8 +867,8 @@ acpi_sbs_generic_add_fs(struct proc_dir_entry **dir,
if (!*dir) {
*dir = proc_mkdir(dir_name, parent_dir);
if (!*dir) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"proc_mkdir() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"proc_mkdir() failed"));
return -ENODEV;
}
(*dir)->owner = THIS_MODULE;
......@@ -863,8 +878,8 @@ acpi_sbs_generic_add_fs(struct proc_dir_entry **dir,
if (info_fops) {
entry = create_proc_entry(ACPI_SBS_FILE_INFO, S_IRUGO, *dir);
if (!entry) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"create_proc_entry() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"create_proc_entry() failed"));
} else {
entry->proc_fops = info_fops;
entry->data = data;
......@@ -876,8 +891,8 @@ acpi_sbs_generic_add_fs(struct proc_dir_entry **dir,
if (state_fops) {
entry = create_proc_entry(ACPI_SBS_FILE_STATE, S_IRUGO, *dir);
if (!entry) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"create_proc_entry() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"create_proc_entry() failed"));
} else {
entry->proc_fops = state_fops;
entry->data = data;
......@@ -889,8 +904,8 @@ acpi_sbs_generic_add_fs(struct proc_dir_entry **dir,
if (alarm_fops) {
entry = create_proc_entry(ACPI_SBS_FILE_ALARM, S_IRUGO, *dir);
if (!entry) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"create_proc_entry() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"create_proc_entry() failed"));
} else {
entry->proc_fops = alarm_fops;
entry->data = data;
......@@ -923,24 +938,27 @@ static struct proc_dir_entry *acpi_battery_dir = NULL;
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 (battery->sbs->zombie) {
if (sbs_mutex_lock(sbs)) {
return -ENODEV;
}
down(&sbs_sem);
result = acpi_check_update_proc(sbs);
if (result)
goto end;
if (update_mode == REQUEST_UPDATE_MODE) {
result = acpi_sbs_update_run(battery->sbs, DATA_TYPE_INFO);
if (update_time == 0) {
result = acpi_sbs_update_run(sbs, battery->id, DATA_TYPE_INFO);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_update_run() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_update_run() failed"));
}
}
if (acpi_battery_is_present(battery)) {
if (battery->battery_present) {
seq_printf(seq, "present: yes\n");
} else {
seq_printf(seq, "present: no\n");
......@@ -952,13 +970,13 @@ static int acpi_battery_read_info(struct seq_file *seq, void *offset)
} else {
cscale = battery->info.ipscale;
}
seq_printf(seq, "design capacity: %i%s",
seq_printf(seq, "design capacity: %i%s\n",
battery->info.design_capacity * cscale,
battery->info.capacity_mode ? "0 mWh\n" : " mAh\n");
battery->info.capacity_mode ? "0 mWh" : " mAh");
seq_printf(seq, "last full capacity: %i%s",
seq_printf(seq, "last full capacity: %i%s\n",
battery->info.full_charge_capacity * cscale,
battery->info.capacity_mode ? "0 mWh\n" : " mAh\n");
battery->info.capacity_mode ? "0 mWh" : " mAh");
seq_printf(seq, "battery technology: rechargeable\n");
......@@ -984,7 +1002,7 @@ static int acpi_battery_read_info(struct seq_file *seq, void *offset)
end:
up(&sbs_sem);
sbs_mutex_unlock(sbs);
return result;
}
......@@ -996,26 +1014,29 @@ static int acpi_battery_info_open_fs(struct inode *inode, struct file *file)
static int acpi_battery_read_state(struct seq_file *seq, void *offset)
{
struct acpi_battery *battery = (struct acpi_battery *)seq->private;
struct acpi_battery *battery = seq->private;
struct acpi_sbs *sbs = battery->sbs;
int result = 0;
int cscale;
int foo;
if (battery->sbs->zombie) {
if (sbs_mutex_lock(sbs)) {
return -ENODEV;
}
down(&sbs_sem);
result = acpi_check_update_proc(sbs);
if (result)
goto end;
if (update_mode == REQUEST_UPDATE_MODE) {
result = acpi_sbs_update_run(battery->sbs, DATA_TYPE_STATE);
if (update_time == 0) {
result = acpi_sbs_update_run(sbs, battery->id, DATA_TYPE_STATE);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_update_run() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_update_run() failed"));
}
}
if (acpi_battery_is_present(battery)) {
if (battery->battery_present) {
seq_printf(seq, "present: yes\n");
} else {
seq_printf(seq, "present: no\n");
......@@ -1028,7 +1049,7 @@ static int acpi_battery_read_state(struct seq_file *seq, void *offset)
cscale = battery->info.ipscale;
}
if (battery->state.battery_status & 0x0010) {
if (battery->state.battery_state & 0x0010) {
seq_printf(seq, "capacity state: critical\n");
} else {
seq_printf(seq, "capacity state: ok\n");
......@@ -1052,16 +1073,16 @@ static int acpi_battery_read_state(struct seq_file *seq, void *offset)
battery->info.capacity_mode ? "mW" : "mA");
}
seq_printf(seq, "remaining capacity: %i%s",
seq_printf(seq, "remaining capacity: %i%s\n",
battery->state.remaining_capacity * cscale,
battery->info.capacity_mode ? "0 mWh\n" : " mAh\n");
battery->info.capacity_mode ? "0 mWh" : " mAh");
seq_printf(seq, "present voltage: %i mV\n",
battery->state.voltage * battery->info.vscale);
end:
up(&sbs_sem);
sbs_mutex_unlock(sbs);
return result;
}
......@@ -1074,24 +1095,27 @@ static int acpi_battery_state_open_fs(struct inode *inode, struct file *file)
static int acpi_battery_read_alarm(struct seq_file *seq, void *offset)
{
struct acpi_battery *battery = seq->private;
struct acpi_sbs *sbs = battery->sbs;
int result = 0;
int cscale;
if (battery->sbs->zombie) {
if (sbs_mutex_lock(sbs)) {
return -ENODEV;
}
down(&sbs_sem);
result = acpi_check_update_proc(sbs);
if (result)
goto end;
if (update_mode == REQUEST_UPDATE_MODE) {
result = acpi_sbs_update_run(battery->sbs, DATA_TYPE_ALARM);
if (update_time == 0) {
result = acpi_sbs_update_run(sbs, battery->id, DATA_TYPE_ALARM);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_update_run() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_update_run() failed"));
}
}
if (!acpi_battery_is_present(battery)) {
if (!battery->battery_present) {
seq_printf(seq, "present: no\n");
goto end;
}
......@@ -1104,16 +1128,16 @@ static int acpi_battery_read_alarm(struct seq_file *seq, void *offset)
seq_printf(seq, "alarm: ");
if (battery->alarm.remaining_capacity) {
seq_printf(seq, "%i%s",
seq_printf(seq, "%i%s\n",
battery->alarm.remaining_capacity * cscale,
battery->info.capacity_mode ? "0 mWh\n" : " mAh\n");
battery->info.capacity_mode ? "0 mWh" : " mAh");
} else {
seq_printf(seq, "disabled\n");
}
end:
up(&sbs_sem);
sbs_mutex_unlock(sbs);
return result;
}
......@@ -1124,16 +1148,19 @@ acpi_battery_write_alarm(struct file *file, const char __user * buffer,
{
struct seq_file *seq = file->private_data;
struct acpi_battery *battery = seq->private;
struct acpi_sbs *sbs = battery->sbs;
char alarm_string[12] = { '\0' };
int result, old_alarm, new_alarm;
if (battery->sbs->zombie) {
if (sbs_mutex_lock(sbs)) {
return -ENODEV;
}
down(&sbs_sem);
result = acpi_check_update_proc(sbs);
if (result)
goto end;
if (!acpi_battery_is_present(battery)) {
if (!battery->battery_present) {
result = -ENODEV;
goto end;
}
......@@ -1155,21 +1182,21 @@ acpi_battery_write_alarm(struct file *file, const char __user * buffer,
result = acpi_battery_set_alarm(battery, new_alarm);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_battery_set_alarm() failed\n"));
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_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_battery_get_alarm() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_battery_get_alarm() failed"));
acpi_battery_set_alarm(battery, old_alarm);
goto end;
}
end:
up(&sbs_sem);
sbs_mutex_unlock(sbs);
if (result) {
return result;
......@@ -1217,24 +1244,22 @@ static int acpi_ac_read_state(struct seq_file *seq, void *offset)
struct acpi_sbs *sbs = seq->private;
int result;
if (sbs->zombie) {
if (sbs_mutex_lock(sbs)) {
return -ENODEV;
}
down(&sbs_sem);
if (update_mode == REQUEST_UPDATE_MODE) {
result = acpi_sbs_update_run(sbs, DATA_TYPE_AC_STATE);
if (update_time == 0) {
result = acpi_sbs_update_run(sbs, -1, DATA_TYPE_AC_STATE);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_update_run() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_update_run() failed"));
}
}
seq_printf(seq, "state: %s\n",
sbs->ac_present ? "on-line" : "off-line");
sbs->ac.ac_present ? "on-line" : "off-line");
up(&sbs_sem);
sbs_mutex_unlock(sbs);
return 0;
}
......@@ -1275,25 +1300,25 @@ static int acpi_battery_add(struct acpi_sbs *sbs, int id)
result = acpi_battery_select(battery);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_battery_select() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_battery_select() failed"));
goto end;
}
result = acpi_battery_get_present(battery);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_battery_get_present() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_battery_get_present() failed"));
goto end;
}
is_present = acpi_battery_is_present(battery);
is_present = battery->battery_present;
if (is_present) {
result = acpi_battery_init(battery);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_battery_init() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_battery_init() failed"));
goto end;
}
battery->init_state = 1;
......@@ -1308,12 +1333,16 @@ static int acpi_battery_add(struct acpi_sbs *sbs, int id)
&acpi_battery_state_fops,
&acpi_battery_alarm_fops, battery);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_generic_add_fs() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_generic_add_fs() failed"));
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");
end:
return result;
}
......@@ -1333,8 +1362,8 @@ static int acpi_ac_add(struct acpi_sbs *sbs)
result = acpi_ac_get_present(sbs);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_ac_get_present() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_ac_get_present() failed"));
goto end;
}
......@@ -1343,11 +1372,15 @@ static int acpi_ac_add(struct acpi_sbs *sbs)
ACPI_AC_DIR_NAME,
NULL, &acpi_ac_state_fops, NULL, sbs);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_generic_add_fs() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_generic_add_fs() failed"));
goto end;
}
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");
end:
return result;
......@@ -1361,45 +1394,85 @@ static void acpi_ac_remove(struct acpi_sbs *sbs)
}
}
static void acpi_sbs_update_queue_run(unsigned long data)
static void acpi_sbs_update_time_run(unsigned long data)
{
acpi_os_execute(OSL_GPE_HANDLER, acpi_sbs_update_queue, (void *)data);
acpi_os_execute(OSL_GPE_HANDLER, acpi_sbs_update_time, (void *)data);
}
static int acpi_sbs_update_run(struct acpi_sbs *sbs, int data_type)
static int acpi_sbs_update_run(struct acpi_sbs *sbs, int id, int data_type)
{
struct acpi_battery *battery;
int result = 0;
int old_ac_present;
int old_battery_present;
int new_ac_present;
int new_battery_present;
int id;
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, do_ac_init;
s16 old_remaining_capacity;
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) {
if (sbs_zombie(sbs)) {
goto end;
}
old_ac_present = acpi_ac_is_present(sbs);
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_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_ac_get_present() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_ac_get_present() failed"));
}
new_ac_present = acpi_ac_is_present(sbs);
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 (data_type == DATA_TYPE_AC_STATE) {
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 = 0; id < MAX_SBS_BAT; id++) {
for (id = id_min; id <= id_max; id++) {
battery = &sbs->battery[id];
if (battery->alive == 0) {
continue;
......@@ -1407,94 +1480,92 @@ static int acpi_sbs_update_run(struct acpi_sbs *sbs, int data_type)
old_remaining_capacity = battery->state.remaining_capacity;
old_battery_present = acpi_battery_is_present(battery);
old_battery_present = battery->battery_present;
result = acpi_battery_select(battery);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_battery_select() failed\n"));
}
if (sbs->zombie) {
goto end;
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_battery_select() failed"));
}
result = acpi_battery_get_present(battery);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_battery_get_present() failed\n"));
}
if (sbs->zombie) {
goto end;
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_battery_get_present() failed"));
}
new_battery_present = acpi_battery_is_present(battery);
new_battery_present = battery->battery_present;
do_battery_init = ((old_battery_present != new_battery_present)
&& new_battery_present);
if (sbs->zombie) {
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 (do_ac_init || do_battery_init ||
update_info_mode || sbs->update_info_mode) {
if (sbs->update_info_mode) {
sbs->update_info_mode = 0;
} else {
sbs->update_info_mode = 1;
}
result = acpi_battery_init(battery);
if ((data_type == DATA_TYPE_COMMON
|| data_type == DATA_TYPE_INFO)
&& new_battery_present) {
result = acpi_battery_get_info(battery);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_battery_init() "
"failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_battery_get_info() failed"));
}
}
if (data_type == DATA_TYPE_INFO) {
continue;
}
if (sbs->zombie) {
if (sbs_zombie(sbs)) {
goto end;
}
if (new_battery_present) {
result = acpi_battery_get_alarm(battery);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_battery_get_alarm() "
"failed\n"));
}
if (data_type == DATA_TYPE_ALARM) {
continue;
}
if ((data_type == DATA_TYPE_COMMON
|| data_type == DATA_TYPE_STATE)
&& new_battery_present) {
result = acpi_battery_get_state(battery);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_battery_get_state() "
"failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_battery_get_state() failed"));
}
}
if (sbs->zombie) {
goto end;
if (data_type == DATA_TYPE_STATE) {
goto event;
}
if (data_type != DATA_TYPE_COMMON) {
continue;
if (sbs_zombie(sbs)) {
goto end;
}
if (old_battery_present != new_battery_present) {
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 ((data_type == DATA_TYPE_COMMON
|| data_type == DATA_TYPE_ALARM)
&& new_battery_present) {
result = acpi_battery_get_alarm(battery);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_generate_event() "
"failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_battery_get_alarm() "
"failed"));
}
}
if (old_remaining_capacity != battery->state.remaining_capacity) {
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,
......@@ -1502,138 +1573,120 @@ static int acpi_sbs_update_run(struct acpi_sbs *sbs, int data_type)
dir_name,
ACPI_BATTERY_CLASS);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_generate_event() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_generate_event() "
"failed"));
}
}
}
if (sbs->zombie) {
goto end;
}
if (data_type != DATA_TYPE_COMMON) {
goto end;
}
if (old_ac_present != new_ac_present) {
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_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_generate_event() failed\n"));
}
}
end:
return result;
}
static void acpi_sbs_update_queue(void *data)
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->zombie) {
goto end;
}
if (sbs_mutex_lock(sbs))
return;
result = acpi_sbs_update_run(sbs, DATA_TYPE_COMMON);
result = acpi_sbs_update_run(sbs, -1, DATA_TYPE_COMMON);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_update_run() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_update_run() failed"));
}
if (sbs->zombie) {
if (sbs_zombie(sbs)) {
goto end;
}
if (update_mode == REQUEST_UPDATE_MODE) {
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);
}
}
delay = jiffies + HZ * update_time;
sbs->update_timer.data = (unsigned long)data;
sbs->update_timer.function = acpi_sbs_update_queue_run;
sbs->update_timer.expires = delay;
add_timer(&sbs->update_timer);
end:
;
sbs_mutex_unlock(sbs);
}
static int acpi_sbs_add(struct acpi_device *device)
{
struct acpi_sbs *sbs = NULL;
struct acpi_ec_hc *ec_hc = NULL;
int result, remove_result = 0;
int result = 0, remove_result = 0;
unsigned long sbs_obj;
int id, cnt;
int id;
acpi_status status = AE_OK;
unsigned long val;
status =
acpi_evaluate_integer(device->parent->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_DEBUG_PRINT((ACPI_DB_ERROR, "kmalloc() failed\n"));
return -ENOMEM;
ACPI_EXCEPTION((AE_INFO, AE_ERROR, "kzalloc() failed"));
result = -ENOMEM;
goto end;
}
cnt = 0;
while (cnt < 10) {
cnt++;
ec_hc = acpi_get_ec_hc(device);
if (ec_hc) {
break;
}
msleep(1000);
}
mutex_init(&sbs->mutex);
if (!ec_hc) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_get_ec_hc() failed: "
"NO driver found for EC HC SMBus\n"));
result = -ENODEV;
goto end;
}
sbs_mutex_lock(sbs);
sbs->base = (val & 0xff00ull) >> 8;
sbs->device = device;
sbs->smbus = ec_hc->smbus;
strcpy(acpi_device_name(device), ACPI_SBS_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_SBS_CLASS);
acpi_driver_data(device) = sbs;
sbs->update_time = 0;
sbs->update_time2 = 0;
result = acpi_ac_add(sbs);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "acpi_ac_add() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR, "acpi_ac_add() failed"));
goto end;
}
result = acpi_evaluate_integer(device->handle, "_SBS", NULL, &sbs_obj);
if (ACPI_FAILURE(result)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_evaluate_integer() failed\n"));
status = acpi_evaluate_integer(device->handle, "_SBS", NULL, &sbs_obj);
if (status) {
ACPI_EXCEPTION((AE_INFO, status,
"acpi_evaluate_integer() failed"));
result = -EIO;
goto end;
}
if (sbs_obj > 0) {
result = acpi_sbsm_get_info(sbs);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbsm_get_info() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbsm_get_info() failed"));
goto end;
}
sbs->sbsm_present = 1;
}
if (sbs->sbsm_present == 0) {
result = acpi_battery_add(sbs, 0);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_battery_add() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_battery_add() failed"));
goto end;
}
} else {
......@@ -1641,9 +1694,8 @@ static int acpi_sbs_add(struct acpi_device *device)
if ((sbs->sbsm_batteries_supported & (1 << id))) {
result = acpi_battery_add(sbs, id);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_battery_add() "
"failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_battery_add() failed"));
goto end;
}
}
......@@ -1653,33 +1705,26 @@ static int acpi_sbs_add(struct acpi_device *device)
sbs->handle = device->handle;
init_timer(&sbs->update_timer);
if (update_mode == QUEUE_UPDATE_MODE) {
status = acpi_os_execute(OSL_GPE_HANDLER,
acpi_sbs_update_queue, sbs);
if (status != AE_OK) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_os_execute() failed\n"));
}
}
sbs->update_time = update_time;
sbs->update_time2 = update_time2;
printk(KERN_INFO PREFIX "%s [%s]\n",
acpi_device_name(device), acpi_device_bid(device));
result = acpi_check_update_proc(sbs);
if (result)
goto end;
end:
sbs_mutex_unlock(sbs);
if (result) {
remove_result = acpi_sbs_remove(device, 0);
if (remove_result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_sbs_remove() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_sbs_remove() failed"));
}
}
return result;
}
int acpi_sbs_remove(struct acpi_device *device, int type)
static int acpi_sbs_remove(struct acpi_device *device, int type)
{
struct acpi_sbs *sbs;
int id;
......@@ -1688,15 +1733,14 @@ int acpi_sbs_remove(struct acpi_device *device, int type)
return -EINVAL;
}
sbs = (struct acpi_sbs *)acpi_driver_data(device);
sbs = acpi_driver_data(device);
if (!sbs) {
return -EINVAL;
}
sbs_mutex_lock(sbs);
sbs->zombie = 1;
sbs->update_time = 0;
sbs->update_time2 = 0;
del_timer_sync(&sbs->update_timer);
acpi_os_wait_events_complete(NULL);
del_timer_sync(&sbs->update_timer);
......@@ -1707,11 +1751,41 @@ int acpi_sbs_remove(struct acpi_device *device, int type)
acpi_ac_remove(sbs);
sbs_mutex_unlock(sbs);
mutex_destroy(&sbs->mutex);
kfree(sbs);
return 0;
}
static void acpi_sbs_rmdirs(void)
{
if (acpi_ac_dir) {
acpi_unlock_ac_dir(acpi_ac_dir);
acpi_ac_dir = NULL;
}
if (acpi_battery_dir) {
acpi_unlock_battery_dir(acpi_battery_dir);
acpi_battery_dir = NULL;
}
}
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;
return 0;
}
static int __init acpi_sbs_init(void)
{
int result = 0;
......@@ -1719,35 +1793,34 @@ static int __init acpi_sbs_init(void)
if (acpi_disabled)
return -ENODEV;
init_MUTEX(&sbs_sem);
if (capacity_mode != DEF_CAPACITY_UNIT
&& capacity_mode != MAH_CAPACITY_UNIT
&& capacity_mode != MWH_CAPACITY_UNIT) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "acpi_sbs_init: "
"invalid capacity_mode = %d\n",
capacity_mode));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"invalid capacity_mode = %d", capacity_mode));
return -EINVAL;
}
acpi_ac_dir = acpi_lock_ac_dir();
if (!acpi_ac_dir) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_lock_ac_dir() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_lock_ac_dir() failed"));
return -ENODEV;
}
acpi_battery_dir = acpi_lock_battery_dir();
if (!acpi_battery_dir) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_lock_battery_dir() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_lock_battery_dir() failed"));
acpi_sbs_rmdirs();
return -ENODEV;
}
result = acpi_bus_register_driver(&acpi_sbs_driver);
if (result < 0) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_bus_register_driver() failed\n"));
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
"acpi_bus_register_driver() failed"));
acpi_sbs_rmdirs();
return -ENODEV;
}
......@@ -1756,13 +1829,9 @@ static int __init acpi_sbs_init(void)
static void __exit acpi_sbs_exit(void)
{
acpi_bus_unregister_driver(&acpi_sbs_driver);
acpi_unlock_ac_dir(acpi_ac_dir);
acpi_ac_dir = NULL;
acpi_unlock_battery_dir(acpi_battery_dir);
acpi_battery_dir = NULL;
acpi_sbs_rmdirs();
return;
}
......
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