*/
#define IBM_VERSION "0.16"
-#define TPACPI_SYSFS_VERSION 0x010000
+#define TPACPI_SYSFS_VERSION 0x020000
/*
* Changelog:
#define __unused __attribute__ ((unused))
+static enum {
+ TPACPI_LIFE_INIT = 0,
+ TPACPI_LIFE_RUNNING,
+ TPACPI_LIFE_EXITING,
+} tpacpi_lifecycle;
+
/****************************************************************************
****************************************************************************
*
{
struct ibm_struct *ibm = data;
+ if (tpacpi_lifecycle != TPACPI_LIFE_RUNNING)
+ return;
+
if (!ibm || !ibm->acpi || !ibm->acpi->notify)
return;
****************************************************************************/
static struct platform_device *tpacpi_pdev;
+static struct platform_device *tpacpi_sensors_pdev;
static struct device *tpacpi_hwmon;
static struct input_dev *tpacpi_inputdev;
+static struct mutex tpacpi_inputdev_send_mutex;
static int tpacpi_resume_handler(struct platform_device *pdev)
.resume = tpacpi_resume_handler,
};
+static struct platform_driver tpacpi_hwmon_pdriver = {
+ .driver = {
+ .name = IBM_HWMON_DRVR_NAME,
+ .owner = THIS_MODULE,
+ },
+};
/*************************************************************************
* thinkpad-acpi driver attributes
{
char *endp;
+ while (*buf && isspace(*buf))
+ buf++;
*value = simple_strtoul(buf, &endp, 0);
while (*endp && isspace(*endp))
endp++;
int res, i;
int status;
+ int hkeyv;
vdbg_printk(TPACPI_DBG_INIT, "initializing hotkey subdriver\n");
return res;
/* mask not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p,
- A30, R30, R31, T20-22, X20-21, X22-24 */
- tp_features.hotkey_mask =
- acpi_evalf(hkey_handle, NULL, "DHKN", "qv");
+ A30, R30, R31, T20-22, X20-21, X22-24. Detected by checking
+ for HKEY interface version 0x100 */
+ if (acpi_evalf(hkey_handle, &hkeyv, "MHKV", "qd")) {
+ if ((hkeyv >> 8) != 1) {
+ printk(IBM_ERR "unknown version of the "
+ "HKEY interface: 0x%x\n", hkeyv);
+ printk(IBM_ERR "please report this to %s\n",
+ IBM_MAIL);
+ } else {
+ /*
+ * MHKV 0x100 in A31, R40, R40e,
+ * T4x, X31, and later
+ * */
+ tp_features.hotkey_mask = 1;
+ }
+ }
vdbg_printk(TPACPI_DBG_INIT, "hotkey masks are %s\n",
str_supported(tp_features.hotkey_mask));
if (tp_features.hotkey_mask) {
- /* MHKA available in A31, R40, R40e, T4x, X31, and later */
if (!acpi_evalf(hkey_handle, &hotkey_all_mask,
- "MHKA", "qd"))
+ "MHKA", "qd")) {
+ printk(IBM_ERR
+ "missing MHKA handler, "
+ "please report this to %s\n",
+ IBM_MAIL);
hotkey_all_mask = 0x080cU; /* FN+F12, FN+F4, FN+F3 */
+ }
}
res = hotkey_get(&hotkey_orig_status, &hotkey_orig_mask);
unsigned int keycode)
{
if (keycode != KEY_RESERVED) {
+ mutex_lock(&tpacpi_inputdev_send_mutex);
+
input_report_key(tpacpi_inputdev, keycode, 1);
if (keycode == KEY_UNKNOWN)
input_event(tpacpi_inputdev, EV_MSC, MSC_SCAN,
input_event(tpacpi_inputdev, EV_MSC, MSC_SCAN,
scancode);
input_sync(tpacpi_inputdev);
+
+ mutex_unlock(&tpacpi_inputdev_send_mutex);
}
}
{
int wlsw;
- if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&wlsw))
+ mutex_lock(&tpacpi_inputdev_send_mutex);
+
+ if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&wlsw)) {
input_report_switch(tpacpi_inputdev,
SW_RADIO, !!wlsw);
+ input_sync(tpacpi_inputdev);
+ }
+
+ mutex_unlock(&tpacpi_inputdev_send_mutex);
}
static void hotkey_notify(struct ibm_struct *ibm, u32 event)
{
u32 hkey;
unsigned int keycode, scancode;
- int send_acpi_ev = 0;
+ int send_acpi_ev;
+ int ignore_acpi_ev;
+
+ if (event != 0x80) {
+ printk(IBM_ERR "unknown HKEY notification event %d\n", event);
+ /* forward it to userspace, maybe it knows how to handle it */
+ acpi_bus_generate_netlink_event(ibm->acpi->device->pnp.device_class,
+ ibm->acpi->device->dev.bus_id,
+ event, 0);
+ return;
+ }
+
+ while (1) {
+ if (!acpi_evalf(hkey_handle, &hkey, "MHKP", "d")) {
+ printk(IBM_ERR "failed to retrieve HKEY event\n");
+ return;
+ }
+
+ if (hkey == 0) {
+ /* queue empty */
+ return;
+ }
+
+ send_acpi_ev = 0;
+ ignore_acpi_ev = 0;
- if (event == 0x80 && acpi_evalf(hkey_handle, &hkey, "MHKP", "d")) {
switch (hkey >> 12) {
case 1:
/* 0x1000-0x1FFF: key presses */
* eat up known LID events */
if (hkey != 0x5001 && hkey != 0x5002) {
printk(IBM_ERR
- "unknown LID-related hotkey event: 0x%04x\n",
- hkey);
+ "unknown LID-related HKEY event: 0x%04x\n",
+ hkey);
send_acpi_ev = 1;
+ } else {
+ ignore_acpi_ev = 1;
}
break;
case 7:
printk(IBM_NOTICE "unhandled HKEY event 0x%04x\n", hkey);
send_acpi_ev = 1;
}
- } else {
- printk(IBM_ERR "unknown hotkey notification event %d\n", event);
- hkey = 0;
- send_acpi_ev = 1;
- }
- /* Legacy events */
- if (send_acpi_ev || hotkey_report_mode < 2)
- acpi_bus_generate_proc_event(ibm->acpi->device, event, hkey);
+ /* Legacy events */
+ if (!ignore_acpi_ev && (send_acpi_ev || hotkey_report_mode < 2)) {
+ acpi_bus_generate_proc_event(ibm->acpi->device, event, hkey);
+ }
- /* netlink events */
- if (send_acpi_ev) {
- acpi_bus_generate_netlink_event(ibm->acpi->device->pnp.device_class,
- ibm->acpi->device->dev.bus_id,
- event, hkey);
+ /* netlink events */
+ if (!ignore_acpi_ev && send_acpi_ev) {
+ acpi_bus_generate_netlink_event(ibm->acpi->device->pnp.device_class,
+ ibm->acpi->device->dev.bus_id,
+ event, hkey);
+ }
}
}
switch(thermal_read_mode) {
case TPACPI_THERMAL_TPEC_16:
- res = sysfs_create_group(&tpacpi_pdev->dev.kobj,
+ res = sysfs_create_group(&tpacpi_sensors_pdev->dev.kobj,
&thermal_temp_input16_group);
if (res)
return res;
case TPACPI_THERMAL_TPEC_8:
case TPACPI_THERMAL_ACPI_TMP07:
case TPACPI_THERMAL_ACPI_UPDT:
- res = sysfs_create_group(&tpacpi_pdev->dev.kobj,
+ res = sysfs_create_group(&tpacpi_sensors_pdev->dev.kobj,
&thermal_temp_input8_group);
if (res)
return res;
{
switch(thermal_read_mode) {
case TPACPI_THERMAL_TPEC_16:
- sysfs_remove_group(&tpacpi_pdev->dev.kobj,
+ sysfs_remove_group(&tpacpi_sensors_pdev->dev.kobj,
&thermal_temp_input16_group);
break;
case TPACPI_THERMAL_TPEC_8:
case TPACPI_THERMAL_ACPI_TMP07:
case TPACPI_THERMAL_ACPI_UPDT:
- sysfs_remove_group(&tpacpi_pdev->dev.kobj,
+ sysfs_remove_group(&tpacpi_sensors_pdev->dev.kobj,
&thermal_temp_input16_group);
break;
case TPACPI_THERMAL_NONE:
__ATTR(fan1_input, S_IRUGO,
fan_fan1_input_show, NULL);
-/* sysfs fan fan_watchdog (driver) ------------------------------------- */
+/* sysfs fan fan_watchdog (hwmon driver) ------------------------------- */
static ssize_t fan_fan_watchdog_show(struct device_driver *drv,
char *buf)
{
if (fan_status_access_mode != TPACPI_FAN_NONE ||
fan_control_access_mode != TPACPI_FAN_WR_NONE) {
- rc = sysfs_create_group(&tpacpi_pdev->dev.kobj,
+ rc = sysfs_create_group(&tpacpi_sensors_pdev->dev.kobj,
&fan_attr_group);
if (!(rc < 0))
- rc = driver_create_file(&tpacpi_pdriver.driver,
+ rc = driver_create_file(&tpacpi_hwmon_pdriver.driver,
&driver_attr_fan_watchdog);
if (rc < 0)
return rc;
vdbg_printk(TPACPI_DBG_EXIT, "cancelling any pending fan watchdog tasks\n");
/* FIXME: can we really do this unconditionally? */
- sysfs_remove_group(&tpacpi_pdev->dev.kobj, &fan_attr_group);
- driver_remove_file(&tpacpi_pdriver.driver, &driver_attr_fan_watchdog);
+ sysfs_remove_group(&tpacpi_sensors_pdev->dev.kobj, &fan_attr_group);
+ driver_remove_file(&tpacpi_hwmon_pdriver.driver, &driver_attr_fan_watchdog);
cancel_delayed_work(&fan_watchdog_task);
flush_scheduled_work();
{
int rc;
+ if (tpacpi_lifecycle != TPACPI_LIFE_RUNNING)
+ return;
+
printk(IBM_NOTICE "fan watchdog: enabling fan\n");
rc = fan_set_enable();
if (rc < 0) {
if (fan_watchdog_active)
cancel_delayed_work(&fan_watchdog_task);
- if (fan_watchdog_maxinterval > 0) {
+ if (fan_watchdog_maxinterval > 0 &&
+ tpacpi_lifecycle != TPACPI_LIFE_EXITING) {
fan_watchdog_active = 1;
if (!schedule_delayed_work(&fan_watchdog_task,
msecs_to_jiffies(fan_watchdog_maxinterval
****************************************************************************
****************************************************************************/
+/* sysfs name ---------------------------------------------------------- */
+static ssize_t thinkpad_acpi_pdev_name_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%s\n", IBM_NAME);
+}
+
+static struct device_attribute dev_attr_thinkpad_acpi_pdev_name =
+ __ATTR(name, S_IRUGO, thinkpad_acpi_pdev_name_show, NULL);
+
+/* --------------------------------------------------------------------- */
+
/* /proc support */
static struct proc_dir_entry *proc_dir;
{
int ret, i;
+ tpacpi_lifecycle = TPACPI_LIFE_INIT;
+
/* Parameter checking */
if (hotkey_report_mode > 2)
return -EINVAL;
ret = platform_driver_register(&tpacpi_pdriver);
if (ret) {
- printk(IBM_ERR "unable to register platform driver\n");
+ printk(IBM_ERR "unable to register main platform driver\n");
thinkpad_acpi_module_exit();
return ret;
}
tp_features.platform_drv_registered = 1;
+ ret = platform_driver_register(&tpacpi_hwmon_pdriver);
+ if (ret) {
+ printk(IBM_ERR "unable to register hwmon platform driver\n");
+ thinkpad_acpi_module_exit();
+ return ret;
+ }
+ tp_features.sensors_pdrv_registered = 1;
+
ret = tpacpi_create_driver_attributes(&tpacpi_pdriver.driver);
+ if (!ret) {
+ tp_features.platform_drv_attrs_registered = 1;
+ ret = tpacpi_create_driver_attributes(&tpacpi_hwmon_pdriver.driver);
+ }
if (ret) {
printk(IBM_ERR "unable to create sysfs driver attributes\n");
thinkpad_acpi_module_exit();
return ret;
}
- tp_features.platform_drv_attrs_registered = 1;
+ tp_features.sensors_pdrv_attrs_registered = 1;
/* Device initialization */
thinkpad_acpi_module_exit();
return ret;
}
- tpacpi_hwmon = hwmon_device_register(&tpacpi_pdev->dev);
+ tpacpi_sensors_pdev = platform_device_register_simple(
+ IBM_HWMON_DRVR_NAME,
+ -1, NULL, 0);
+ if (IS_ERR(tpacpi_sensors_pdev)) {
+ ret = PTR_ERR(tpacpi_sensors_pdev);
+ tpacpi_sensors_pdev = NULL;
+ printk(IBM_ERR "unable to register hwmon platform device\n");
+ thinkpad_acpi_module_exit();
+ return ret;
+ }
+ ret = device_create_file(&tpacpi_sensors_pdev->dev,
+ &dev_attr_thinkpad_acpi_pdev_name);
+ if (ret) {
+ printk(IBM_ERR
+ "unable to create sysfs hwmon device attributes\n");
+ thinkpad_acpi_module_exit();
+ return ret;
+ }
+ tp_features.sensors_pdev_attrs_registered = 1;
+ tpacpi_hwmon = hwmon_device_register(&tpacpi_sensors_pdev->dev);
if (IS_ERR(tpacpi_hwmon)) {
ret = PTR_ERR(tpacpi_hwmon);
tpacpi_hwmon = NULL;
thinkpad_acpi_module_exit();
return ret;
}
+ mutex_init(&tpacpi_inputdev_send_mutex);
tpacpi_inputdev = input_allocate_device();
if (!tpacpi_inputdev) {
printk(IBM_ERR "unable to allocate input device\n");
tp_features.input_device_registered = 1;
}
+ tpacpi_lifecycle = TPACPI_LIFE_RUNNING;
return 0;
}
{
struct ibm_struct *ibm, *itmp;
+ tpacpi_lifecycle = TPACPI_LIFE_EXITING;
+
list_for_each_entry_safe_reverse(ibm, itmp,
&tpacpi_all_drivers,
all_drivers) {
if (tpacpi_hwmon)
hwmon_device_unregister(tpacpi_hwmon);
+ if (tp_features.sensors_pdev_attrs_registered)
+ device_remove_file(&tpacpi_sensors_pdev->dev,
+ &dev_attr_thinkpad_acpi_pdev_name);
+ if (tpacpi_sensors_pdev)
+ platform_device_unregister(tpacpi_sensors_pdev);
if (tpacpi_pdev)
platform_device_unregister(tpacpi_pdev);
+ if (tp_features.sensors_pdrv_attrs_registered)
+ tpacpi_remove_driver_attributes(&tpacpi_hwmon_pdriver.driver);
if (tp_features.platform_drv_attrs_registered)
tpacpi_remove_driver_attributes(&tpacpi_pdriver.driver);
+ if (tp_features.sensors_pdrv_registered)
+ platform_driver_unregister(&tpacpi_hwmon_pdriver);
+
if (tp_features.platform_drv_registered)
platform_driver_unregister(&tpacpi_pdriver);
git.openpandora.org / pandora-kernel.git / blobdiff