static int
acpi_power_add_fs (
struct acpi_device *device)
{
struct proc_dir_entry *entry = NULL;
ACPI_FUNCTION_TRACE("acpi_power_add_fs");
if (!device)
return_VALUE(-EINVAL);
if (!acpi_device_dir(device)) {
acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
acpi_power_dir);
if (!acpi_device_dir(device))
return_VALUE(-ENODEV);
}
/* 'status' [R] */
entry = create_proc_entry(ACPI_POWER_FILE_STATUS,
S_IRUGO, acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_POWER_FILE_STATUS));
else {
entry->read_proc = acpi_power_read_status;
entry->data = acpi_driver_data(device);
}
return_VALUE(0);
}
static int
acpi_fan_add_fs (
struct acpi_device *device)
{
struct proc_dir_entry *entry = NULL;
ACPI_FUNCTION_TRACE("acpi_fan_add_fs");
if (!device)
return_VALUE(-EINVAL);
if (!acpi_device_dir(device)) {
acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
acpi_fan_dir);
if (!acpi_device_dir(device))
return_VALUE(-ENODEV);
acpi_device_dir(device)->owner = THIS_MODULE;
}
/* 'status' [R/W] */
entry = create_proc_entry(ACPI_FAN_FILE_STATE,
S_IFREG|S_IRUGO|S_IWUSR, acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_FAN_FILE_STATE));
else {
entry->read_proc = acpi_fan_read_state;
entry->write_proc = acpi_fan_write_state;
entry->data = acpi_driver_data(device);
entry->owner = THIS_MODULE;
}
return_VALUE(0);
}
static int acpi_fan_add_fs(struct acpi_device *device)
{
struct proc_dir_entry *entry = NULL;
if (!device)
return -EINVAL;
if (!acpi_device_dir(device)) {
acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
acpi_fan_dir);
if (!acpi_device_dir(device))
return -ENODEV;
}
/* 'status' [R/W] */
entry = proc_create_data(ACPI_FAN_FILE_STATE,
S_IFREG | S_IRUGO | S_IWUSR,
acpi_device_dir(device),
&acpi_fan_state_ops,
device);
if (!entry)
return -ENODEV;
return 0;
}
static int acpi_button_add_fs(struct acpi_device *device)
{
struct acpi_button *button = acpi_driver_data(device);
struct proc_dir_entry *entry = NULL;
int ret = 0;
/* procfs I/F for ACPI lid device only */
if (button->type != ACPI_BUTTON_TYPE_LID)
return 0;
if (acpi_button_dir || acpi_lid_dir) {
printk(KERN_ERR PREFIX "More than one Lid device found!\n");
return -EEXIST;
}
/* create /proc/acpi/button */
acpi_button_dir = proc_mkdir(ACPI_BUTTON_CLASS, acpi_root_dir);
if (!acpi_button_dir)
return -ENODEV;
/* create /proc/acpi/button/lid */
acpi_lid_dir = proc_mkdir(ACPI_BUTTON_SUBCLASS_LID, acpi_button_dir);
if (!acpi_lid_dir) {
ret = -ENODEV;
goto remove_button_dir;
}
/* create /proc/acpi/button/lid/LID/ */
acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), acpi_lid_dir);
if (!acpi_device_dir(device)) {
ret = -ENODEV;
goto remove_lid_dir;
}
/* create /proc/acpi/button/lid/LID/state */
entry = proc_create_data(ACPI_BUTTON_FILE_STATE,
S_IRUGO, acpi_device_dir(device),
&acpi_button_state_fops, device);
if (!entry) {
ret = -ENODEV;
goto remove_dev_dir;
}
done:
return ret;
remove_dev_dir:
remove_proc_entry(acpi_device_bid(device),
acpi_lid_dir);
acpi_device_dir(device) = NULL;
remove_lid_dir:
remove_proc_entry(ACPI_BUTTON_SUBCLASS_LID, acpi_button_dir);
acpi_lid_dir = NULL;
remove_button_dir:
remove_proc_entry(ACPI_BUTTON_CLASS, acpi_root_dir);
acpi_button_dir = NULL;
goto done;
}
static int acpi_fan_remove_fs(struct acpi_device *device)
{
if (acpi_device_dir(device)) {
remove_proc_entry(ACPI_FAN_FILE_STATE, acpi_device_dir(device));
remove_proc_entry(acpi_device_bid(device), acpi_fan_dir);
acpi_device_dir(device) = NULL;
}
return 0;
}
static int
acpi_battery_remove_fs (
struct acpi_device *device)
{
ACPI_FUNCTION_TRACE("acpi_battery_remove_fs");
if (acpi_device_dir(device)) {
remove_proc_entry(acpi_device_bid(device), acpi_battery_dir);
acpi_device_dir(device) = NULL;
}
return_VALUE(0);
}
int acpi_processor_power_exit(struct acpi_processor *pr,
struct acpi_device *device)
{
if (boot_option_idle_override)
return 0;
cpuidle_unregister_device(&pr->power.dev);
pr->flags.power_setup_done = 0;
if (acpi_device_dir(device))
remove_proc_entry(ACPI_PROCESSOR_FILE_POWER,
acpi_device_dir(device));
return 0;
}
static int
acpi_fan_remove_fs (
struct acpi_device *device)
{
ACPI_FUNCTION_TRACE("acpi_fan_remove_fs");
if (acpi_device_dir(device)) {
remove_proc_entry(ACPI_FAN_FILE_STATE,
acpi_device_dir(device));
remove_proc_entry(acpi_device_bid(device), acpi_fan_dir);
acpi_device_dir(device) = NULL;
}
return_VALUE(0);
}
static int acpi_processor_remove_fs(struct acpi_device *device)
{
if (acpi_device_dir(device)) {
remove_proc_entry(ACPI_PROCESSOR_FILE_INFO,
acpi_device_dir(device));
remove_proc_entry(ACPI_PROCESSOR_FILE_THROTTLING,
acpi_device_dir(device));
remove_proc_entry(ACPI_PROCESSOR_FILE_LIMIT,
acpi_device_dir(device));
remove_proc_entry(acpi_device_bid(device), acpi_processor_dir);
acpi_device_dir(device) = NULL;
}
return 0;
}
static void acpi_cpufreq_add_file(struct acpi_processor *pr)
{
struct proc_dir_entry *entry = NULL;
struct acpi_device *device = NULL;
ACPI_FUNCTION_TRACE("acpi_cpufreq_addfile");
if (acpi_bus_get_device(pr->handle, &device))
return_VOID;
/* add file 'performance' [R/W] */
entry = create_proc_entry(ACPI_PROCESSOR_FILE_PERFORMANCE,
S_IFREG | S_IRUGO | S_IWUSR,
acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_PROCESSOR_FILE_PERFORMANCE));
else {
entry->proc_fops = &acpi_processor_perf_fops;
entry->proc_fops->write = acpi_processor_write_performance;
entry->data = acpi_driver_data(device);
entry->owner = THIS_MODULE;
}
return_VOID;
}
static int acpi_battery_remove_fs(struct acpi_device *device)
{
if (acpi_device_dir(device)) {
remove_proc_entry(ACPI_BATTERY_FILE_ALARM,
acpi_device_dir(device));
remove_proc_entry(ACPI_BATTERY_FILE_STATUS,
acpi_device_dir(device));
remove_proc_entry(ACPI_BATTERY_FILE_INFO,
acpi_device_dir(device));
remove_proc_entry(acpi_device_bid(device), acpi_battery_dir);
acpi_device_dir(device) = NULL;
}
return 0;
}
static int acpi_processor_remove_fs(struct acpi_device *device)
{
ACPI_FUNCTION_TRACE("acpi_processor_remove_fs");
if (acpi_device_dir(device)) {
remove_proc_entry(ACPI_PROCESSOR_FILE_INFO,
acpi_device_dir(device));
remove_proc_entry(ACPI_PROCESSOR_FILE_THROTTLING,
acpi_device_dir(device));
remove_proc_entry(ACPI_PROCESSOR_FILE_LIMIT,
acpi_device_dir(device));
remove_proc_entry(acpi_device_bid(device), acpi_processor_dir);
acpi_device_dir(device) = NULL;
}
return_VALUE(0);
}
static int
acpi_system_remove_fs (
struct acpi_device *device)
{
ACPI_FUNCTION_TRACE("acpi_system_remove_fs");
if (!device)
return_VALUE(-EINVAL);
remove_proc_entry(ACPI_SYSTEM_FILE_INFO, acpi_device_dir(device));
remove_proc_entry(ACPI_SYSTEM_FILE_DSDT, acpi_device_dir(device));
remove_proc_entry(ACPI_SYSTEM_FILE_EVENT, acpi_device_dir(device));
#ifdef CONFIG_ACPI_SLEEP
remove_proc_entry(ACPI_SYSTEM_FILE_SLEEP, acpi_device_dir(device));
remove_proc_entry(ACPI_SYSTEM_FILE_ALARM, acpi_device_dir(device));
#endif
#ifdef ACPI_DEBUG_OUTPUT
remove_proc_entry(ACPI_SYSTEM_FILE_DEBUG_LAYER,
acpi_device_dir(device));
remove_proc_entry(ACPI_SYSTEM_FILE_DEBUG_LEVEL,
acpi_device_dir(device));
#endif
return_VALUE(0);
}
static int acpi_battery_remove_fs(struct acpi_device *device)
{
ACPI_FUNCTION_TRACE("acpi_battery_remove_fs");
if (acpi_device_dir(device)) {
remove_proc_entry(ACPI_BATTERY_FILE_ALARM,
acpi_device_dir(device));
remove_proc_entry(ACPI_BATTERY_FILE_STATUS,
acpi_device_dir(device));
remove_proc_entry(ACPI_BATTERY_FILE_INFO,
acpi_device_dir(device));
remove_proc_entry(acpi_device_bid(device), acpi_battery_dir);
acpi_device_dir(device) = NULL;
}
return_VALUE(0);
}
static int acpi_processor_add_fs(struct acpi_device *device)
{
struct proc_dir_entry *entry = NULL;
ACPI_FUNCTION_TRACE("acpi_processor_add_fs");
if (!acpi_device_dir(device)) {
acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
acpi_processor_dir);
if (!acpi_device_dir(device))
return_VALUE(-ENODEV);
}
acpi_device_dir(device)->owner = THIS_MODULE;
/* 'info' [R] */
entry = create_proc_entry(ACPI_PROCESSOR_FILE_INFO,
S_IRUGO, acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_PROCESSOR_FILE_INFO));
else {
entry->proc_fops = &acpi_processor_info_fops;
entry->data = acpi_driver_data(device);
entry->owner = THIS_MODULE;
}
/* 'throttling' [R/W] */
entry = create_proc_entry(ACPI_PROCESSOR_FILE_THROTTLING,
S_IFREG | S_IRUGO | S_IWUSR,
acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_PROCESSOR_FILE_THROTTLING));
else {
entry->proc_fops = &acpi_processor_throttling_fops;
entry->proc_fops->write = acpi_processor_write_throttling;
entry->data = acpi_driver_data(device);
entry->owner = THIS_MODULE;
}
/* 'limit' [R/W] */
entry = create_proc_entry(ACPI_PROCESSOR_FILE_LIMIT,
S_IFREG | S_IRUGO | S_IWUSR,
acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_PROCESSOR_FILE_LIMIT));
else {
entry->proc_fops = &acpi_processor_limit_fops;
entry->proc_fops->write = acpi_processor_write_limit;
entry->data = acpi_driver_data(device);
entry->owner = THIS_MODULE;
}
return_VALUE(0);
}
static int acpi_button_remove_fs(struct acpi_device *device)
{
struct acpi_button *button = acpi_driver_data(device);
if (button->type != ACPI_BUTTON_TYPE_LID)
return 0;
remove_proc_entry(ACPI_BUTTON_FILE_STATE,
acpi_device_dir(device));
remove_proc_entry(acpi_device_bid(device),
acpi_lid_dir);
acpi_device_dir(device) = NULL;
remove_proc_entry(ACPI_BUTTON_SUBCLASS_LID, acpi_button_dir);
acpi_lid_dir = NULL;
remove_proc_entry(ACPI_BUTTON_CLASS, acpi_root_dir);
acpi_button_dir = NULL;
return 0;
}
static int
acpi_battery_add_fs (
struct acpi_device *device)
{
struct proc_dir_entry *entry = NULL;
ACPI_FUNCTION_TRACE("acpi_battery_add_fs");
if (!acpi_device_dir(device)) {
acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
acpi_battery_dir);
if (!acpi_device_dir(device))
return_VALUE(-ENODEV);
acpi_device_dir(device)->owner = THIS_MODULE;
}
/* 'info' [R] */
entry = create_proc_entry(ACPI_BATTERY_FILE_INFO,
S_IRUGO, acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_BATTERY_FILE_INFO));
else {
entry->read_proc = acpi_battery_read_info;
entry->data = acpi_driver_data(device);
entry->owner = THIS_MODULE;
}
/* 'status' [R] */
entry = create_proc_entry(ACPI_BATTERY_FILE_STATUS,
S_IRUGO, acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_BATTERY_FILE_STATUS));
else {
entry->read_proc = acpi_battery_read_state;
entry->data = acpi_driver_data(device);
entry->owner = THIS_MODULE;
}
/* 'alarm' [R/W] */
entry = create_proc_entry(ACPI_BATTERY_FILE_ALARM,
S_IFREG|S_IRUGO|S_IWUSR, acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_BATTERY_FILE_ALARM));
else {
entry->read_proc = acpi_battery_read_alarm;
entry->write_proc = acpi_battery_write_alarm;
entry->data = acpi_driver_data(device);
entry->owner = THIS_MODULE;
}
return_VALUE(0);
}
static void acpi_cpufreq_add_file(struct acpi_processor *pr)
{
struct acpi_device *device = NULL;
if (acpi_bus_get_device(pr->handle, &device))
return;
/* add file 'performance' [R/W] */
proc_create_data(ACPI_PROCESSOR_FILE_PERFORMANCE, S_IFREG | S_IRUGO,
acpi_device_dir(device),
&acpi_processor_perf_fops, acpi_driver_data(device));
return;
}
static void acpi_cpufreq_remove_file(struct acpi_processor *pr)
{
struct acpi_device *device = NULL;
if (acpi_bus_get_device(pr->handle, &device))
return;
/* remove file 'performance' */
remove_proc_entry(ACPI_PROCESSOR_FILE_PERFORMANCE,
acpi_device_dir(device));
return;
}
static int acpi_processor_add_fs(struct acpi_device *device)
{
struct proc_dir_entry *entry = NULL;
if (!acpi_device_dir(device)) {
acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
acpi_processor_dir);
if (!acpi_device_dir(device))
return -ENODEV;
}
acpi_device_dir(device)->owner = THIS_MODULE;
/* 'info' [R] */
entry = create_proc_entry(ACPI_PROCESSOR_FILE_INFO,
S_IRUGO, acpi_device_dir(device));
if (!entry)
return -EIO;
else {
entry->proc_fops = &acpi_processor_info_fops;
entry->data = acpi_driver_data(device);
entry->owner = THIS_MODULE;
}
/* 'throttling' [R/W] */
entry = create_proc_entry(ACPI_PROCESSOR_FILE_THROTTLING,
S_IFREG | S_IRUGO | S_IWUSR,
acpi_device_dir(device));
if (!entry)
return -EIO;
else {
entry->proc_fops = &acpi_processor_throttling_fops;
entry->data = acpi_driver_data(device);
entry->owner = THIS_MODULE;
}
/* 'limit' [R/W] */
entry = create_proc_entry(ACPI_PROCESSOR_FILE_LIMIT,
S_IFREG | S_IRUGO | S_IWUSR,
acpi_device_dir(device));
if (!entry)
return -EIO;
else {
entry->proc_fops = &acpi_processor_limit_fops;
entry->data = acpi_driver_data(device);
entry->owner = THIS_MODULE;
}
return 0;
}
static int acpi_battery_add_fs(struct acpi_device *device)
{
struct proc_dir_entry *entry = NULL;
if (!acpi_device_dir(device)) {
acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
acpi_battery_dir);
if (!acpi_device_dir(device))
return -ENODEV;
acpi_device_dir(device)->owner = THIS_MODULE;
}
/* 'info' [R] */
entry = create_proc_entry(ACPI_BATTERY_FILE_INFO,
S_IRUGO, acpi_device_dir(device));
if (!entry)
return -ENODEV;
else {
entry->proc_fops = &acpi_battery_info_ops;
entry->data = acpi_driver_data(device);
entry->owner = THIS_MODULE;
}
/* 'status' [R] */
entry = create_proc_entry(ACPI_BATTERY_FILE_STATUS,
S_IRUGO, acpi_device_dir(device));
if (!entry)
return -ENODEV;
else {
entry->proc_fops = &acpi_battery_state_ops;
entry->data = acpi_driver_data(device);
entry->owner = THIS_MODULE;
}
/* 'alarm' [R/W] */
entry = create_proc_entry(ACPI_BATTERY_FILE_ALARM,
S_IFREG | S_IRUGO | S_IWUSR,
acpi_device_dir(device));
if (!entry)
return -ENODEV;
else {
entry->proc_fops = &acpi_battery_alarm_ops;
entry->data = acpi_driver_data(device);
entry->owner = THIS_MODULE;
}
return 0;
}
static void acpi_cpufreq_add_file(struct acpi_processor *pr)
{
struct proc_dir_entry *entry = NULL;
struct acpi_device *device = NULL;
if (acpi_bus_get_device(pr->handle, &device))
return;
/* add file 'performance' [R/W] */
entry = create_proc_entry(ACPI_PROCESSOR_FILE_PERFORMANCE,
S_IFREG | S_IRUGO,
acpi_device_dir(device));
if (entry){
entry->proc_fops = &acpi_processor_perf_fops;
entry->data = acpi_driver_data(device);
entry->owner = THIS_MODULE;
}
return;
}
static int
acpi_thermal_remove_fs (
struct acpi_device *device)
{
ACPI_FUNCTION_TRACE("acpi_thermal_remove_fs");
if (acpi_device_dir(device)) {
remove_proc_entry(ACPI_THERMAL_FILE_POLLING_FREQ,
acpi_device_dir(device));
remove_proc_entry(ACPI_THERMAL_FILE_COOLING_MODE,
acpi_device_dir(device));
remove_proc_entry(ACPI_THERMAL_FILE_TRIP_POINTS,
acpi_device_dir(device));
remove_proc_entry(ACPI_THERMAL_FILE_TEMPERATURE,
acpi_device_dir(device));
remove_proc_entry(ACPI_THERMAL_FILE_STATE,
acpi_device_dir(device));
remove_proc_entry(acpi_device_bid(device), acpi_thermal_dir);
acpi_device_dir(device) = NULL;
}
return_VALUE(0);
}
static int acpi_processor_add_fs(struct acpi_device *device)
{
struct proc_dir_entry *entry = NULL;
if (!acpi_device_dir(device)) {
acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
acpi_processor_dir);
if (!acpi_device_dir(device))
return -ENODEV;
}
/* 'info' [R] */
entry = proc_create_data(ACPI_PROCESSOR_FILE_INFO,
S_IRUGO, acpi_device_dir(device),
&acpi_processor_info_fops,
acpi_driver_data(device));
if (!entry)
return -EIO;
/* 'throttling' [R/W] */
entry = proc_create_data(ACPI_PROCESSOR_FILE_THROTTLING,
S_IFREG | S_IRUGO | S_IWUSR,
acpi_device_dir(device),
&acpi_processor_throttling_fops,
acpi_driver_data(device));
if (!entry)
return -EIO;
/* 'limit' [R/W] */
entry = proc_create_data(ACPI_PROCESSOR_FILE_LIMIT,
S_IFREG | S_IRUGO | S_IWUSR,
acpi_device_dir(device),
&acpi_processor_limit_fops,
acpi_driver_data(device));
if (!entry)
return -EIO;
return 0;
}
static int
acpi_thermal_add_fs (
struct acpi_device *device)
{
struct proc_dir_entry *entry = NULL;
ACPI_FUNCTION_TRACE("acpi_thermal_add_fs");
if (!acpi_device_dir(device)) {
acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
acpi_thermal_dir);
if (!acpi_device_dir(device))
return_VALUE(-ENODEV);
}
/* 'state' [R] */
entry = create_proc_entry(ACPI_THERMAL_FILE_STATE,
S_IRUGO, acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_THERMAL_FILE_STATE));
else {
entry->read_proc = acpi_thermal_read_state;
entry->data = acpi_driver_data(device);
}
/* 'temperature' [R] */
entry = create_proc_entry(ACPI_THERMAL_FILE_TEMPERATURE,
S_IRUGO, acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_THERMAL_FILE_TEMPERATURE));
else {
entry->read_proc = acpi_thermal_read_temperature;
entry->data = acpi_driver_data(device);
}
/* 'trip_points' [R/W] */
entry = create_proc_entry(ACPI_THERMAL_FILE_TRIP_POINTS,
S_IFREG|S_IRUGO|S_IWUSR, acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_THERMAL_FILE_POLLING_FREQ));
else {
entry->read_proc = acpi_thermal_read_trip_points;
entry->write_proc = acpi_thermal_write_trip_points;
entry->data = acpi_driver_data(device);
}
/* 'cooling_mode' [R/W] */
entry = create_proc_entry(ACPI_THERMAL_FILE_COOLING_MODE,
S_IFREG|S_IRUGO|S_IWUSR, acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_THERMAL_FILE_COOLING_MODE));
else {
entry->read_proc = acpi_thermal_read_cooling_mode;
entry->write_proc = acpi_thermal_write_cooling_mode;
entry->data = acpi_driver_data(device);
}
/* 'polling_frequency' [R/W] */
entry = create_proc_entry(ACPI_THERMAL_FILE_POLLING_FREQ,
S_IFREG|S_IRUGO|S_IWUSR, acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_THERMAL_FILE_POLLING_FREQ));
else {
entry->read_proc = acpi_thermal_read_polling;
entry->write_proc = acpi_thermal_write_polling;
entry->data = acpi_driver_data(device);
}
return_VALUE(0);
}
static int
acpi_button_add_fs (
struct acpi_device *device)
{
struct proc_dir_entry *entry = NULL;
struct acpi_button *button = NULL;
ACPI_FUNCTION_TRACE("acpi_button_add_fs");
if (!device || !acpi_driver_data(device))
return_VALUE(-EINVAL);
button = acpi_driver_data(device);
switch (button->type) {
case ACPI_BUTTON_TYPE_POWER:
case ACPI_BUTTON_TYPE_POWERF:
entry = proc_mkdir(ACPI_BUTTON_SUBCLASS_POWER,
acpi_button_dir);
break;
case ACPI_BUTTON_TYPE_SLEEP:
case ACPI_BUTTON_TYPE_SLEEPF:
entry = proc_mkdir(ACPI_BUTTON_SUBCLASS_SLEEP,
acpi_button_dir);
break;
case ACPI_BUTTON_TYPE_LID:
entry = proc_mkdir(ACPI_BUTTON_SUBCLASS_LID,
acpi_button_dir);
break;
}
acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), entry);
if (!acpi_device_dir(device))
return_VALUE(-ENODEV);
/* 'info' [R] */
entry = create_proc_entry(ACPI_BUTTON_FILE_INFO,
S_IRUGO, acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_BUTTON_FILE_INFO));
else {
entry->read_proc = acpi_button_read_info;
entry->data = acpi_driver_data(device);
}
if (button->type==ACPI_BUTTON_TYPE_LID){
/* 'state' [R] */
entry = create_proc_entry(ACPI_BUTTON_FILE_STATE,
S_IRUGO, acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_BUTTON_FILE_STATE));
else {
entry->read_proc = acpi_button_lid_read_state;
entry->data = acpi_driver_data(device);
}
}
return_VALUE(0);
}
static int
acpi_system_add_fs (
struct acpi_device *device)
{
struct proc_dir_entry *entry = NULL;
ACPI_FUNCTION_TRACE("acpi_system_add_fs");
if (!device)
return_VALUE(-EINVAL);
/* 'info' [R] */
entry = create_proc_entry(ACPI_SYSTEM_FILE_INFO,
S_IRUGO, acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_SYSTEM_FILE_INFO));
else {
entry->read_proc = acpi_system_read_info;
entry->data = acpi_driver_data(device);
}
/* 'dsdt' [R] */
entry = create_proc_entry(ACPI_SYSTEM_FILE_DSDT,
S_IRUSR, acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_SYSTEM_FILE_DSDT));
else
entry->proc_fops = &acpi_system_dsdt_ops;
/* 'fadt' [R] */
entry = create_proc_entry(ACPI_SYSTEM_FILE_FADT,
S_IRUSR, acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_SYSTEM_FILE_FADT));
else
entry->proc_fops = &acpi_system_fadt_ops;
/* 'event' [R] */
entry = create_proc_entry(ACPI_SYSTEM_FILE_EVENT,
S_IRUSR, acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_SYSTEM_FILE_EVENT));
else
entry->proc_fops = &acpi_system_event_ops;
#ifdef CONFIG_ACPI_SLEEP
/* 'sleep' [R/W]*/
entry = create_proc_entry(ACPI_SYSTEM_FILE_SLEEP,
S_IFREG|S_IRUGO|S_IWUSR, acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_SYSTEM_FILE_SLEEP));
else {
entry->read_proc = acpi_system_read_sleep;
entry->write_proc = acpi_system_write_sleep;
entry->data = acpi_driver_data(device);
}
/* 'alarm' [R/W] */
entry = create_proc_entry(ACPI_SYSTEM_FILE_ALARM,
S_IFREG|S_IRUGO|S_IWUSR, acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_SYSTEM_FILE_ALARM));
else {
entry->read_proc = acpi_system_read_alarm;
entry->write_proc = acpi_system_write_alarm;
entry->data = acpi_driver_data(device);
}
#endif /*CONFIG_ACPI_SLEEP*/
#ifdef ACPI_DEBUG_OUTPUT
/* 'debug_layer' [R/W] */
entry = create_proc_entry(ACPI_SYSTEM_FILE_DEBUG_LAYER,
S_IFREG|S_IRUGO|S_IWUSR, acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_SYSTEM_FILE_DEBUG_LAYER));
else {
entry->read_proc = acpi_system_read_debug;
entry->write_proc = acpi_system_write_debug;
entry->data = (void *) 0;
}
/* 'debug_level' [R/W] */
entry = create_proc_entry(ACPI_SYSTEM_FILE_DEBUG_LEVEL,
S_IFREG|S_IRUGO|S_IWUSR, acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_SYSTEM_FILE_DEBUG_LEVEL));
else {
entry->read_proc = acpi_system_read_debug;
entry->write_proc = acpi_system_write_debug;
entry->data = (void *) 1;
}
#endif /*ACPI_DEBUG_OUTPUT */
return_VALUE(0);
}
int __cpuinit acpi_processor_power_init(struct acpi_processor *pr,
struct acpi_device *device)
{
acpi_status status = 0;
static int first_run;
#ifdef CONFIG_ACPI_PROCFS
struct proc_dir_entry *entry = NULL;
#endif
if (boot_option_idle_override)
return 0;
if (!first_run) {
if (idle_halt) {
/*
* When the boot option of "idle=halt" is added, halt
* is used for CPU IDLE.
* In such case C2/C3 is meaningless. So the max_cstate
* is set to one.
*/
max_cstate = 1;
}
dmi_check_system(processor_power_dmi_table);
max_cstate = acpi_processor_cstate_check(max_cstate);
if (max_cstate < ACPI_C_STATES_MAX)
printk(KERN_NOTICE
"ACPI: processor limited to max C-state %d\n",
max_cstate);
first_run++;
}
if (!pr)
return -EINVAL;
if (acpi_gbl_FADT.cst_control && !nocst) {
status =
acpi_os_write_port(acpi_gbl_FADT.smi_command, acpi_gbl_FADT.cst_control, 8);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Notifying BIOS of _CST ability failed"));
}
}
acpi_processor_get_power_info(pr);
pr->flags.power_setup_done = 1;
/*
* Install the idle handler if processor power management is supported.
* Note that we use previously set idle handler will be used on
* platforms that only support C1.
*/
if (pr->flags.power) {
acpi_processor_setup_cpuidle(pr);
if (cpuidle_register_device(&pr->power.dev))
return -EIO;
}
#ifdef CONFIG_ACPI_PROCFS
/* 'power' [R] */
entry = proc_create_data(ACPI_PROCESSOR_FILE_POWER,
S_IRUGO, acpi_device_dir(device),
&acpi_processor_power_fops,
acpi_driver_data(device));
if (!entry)
return -EIO;
#endif
return 0;
}