*/
#define IBM_VERSION "0.14"
+#define TPACPI_SYSFS_VERSION 0x000100
/*
* Changelog:
return status;
}
+static int issue_thinkpad_cmos_command(int cmos_cmd)
+{
+ if (!cmos_handle)
+ return -ENXIO;
+
+ if (!acpi_evalf(cmos_handle, NULL, NULL, "vd", cmos_cmd))
+ return -EIO;
+
+ return 0;
+}
+
/*************************************************************************
* ACPI device model
*/
-static void __init ibm_handle_init(char *name,
- acpi_handle * handle, acpi_handle parent,
- char **paths, int num_paths, char **path)
+static void drv_acpi_handle_init(char *name,
+ acpi_handle *handle, acpi_handle parent,
+ char **paths, int num_paths, char **path)
{
int i;
acpi_status status;
+ vdbg_printk(TPACPI_DBG_INIT, "trying to locate ACPI handle for %s\n",
+ name);
+
for (i = 0; i < num_paths; i++) {
status = acpi_get_handle(parent, paths[i], handle);
if (ACPI_SUCCESS(status)) {
*path = paths[i];
+ dbg_printk(TPACPI_DBG_INIT,
+ "Found ACPI handle %s for %s\n",
+ *path, name);
return;
}
}
+ vdbg_printk(TPACPI_DBG_INIT, "ACPI handle for %s not found\n",
+ name);
*handle = NULL;
}
-static void dispatch_notify(acpi_handle handle, u32 event, void *data)
+static void dispatch_acpi_notify(acpi_handle handle, u32 event, void *data)
{
struct ibm_struct *ibm = data;
- if (!ibm || !ibm->notify)
+ if (!ibm || !ibm->acpi || !ibm->acpi->notify)
return;
- ibm->notify(ibm, event);
+ ibm->acpi->notify(ibm, event);
}
-static int __init setup_notify(struct ibm_struct *ibm)
+static int __init setup_acpi_notify(struct ibm_struct *ibm)
{
acpi_status status;
- int ret;
+ int rc;
- if (!*ibm->handle)
+ BUG_ON(!ibm->acpi);
+
+ if (!*ibm->acpi->handle)
return 0;
- ret = acpi_bus_get_device(*ibm->handle, &ibm->device);
- if (ret < 0) {
- printk(IBM_ERR "%s device not present\n", ibm->name);
+ vdbg_printk(TPACPI_DBG_INIT,
+ "setting up ACPI notify for %s\n", ibm->name);
+
+ rc = acpi_bus_get_device(*ibm->acpi->handle, &ibm->acpi->device);
+ if (rc < 0) {
+ printk(IBM_ERR "acpi_bus_get_device(%s) failed: %d\n",
+ ibm->name, rc);
return -ENODEV;
}
- acpi_driver_data(ibm->device) = ibm;
- sprintf(acpi_device_class(ibm->device), "%s/%s",
+ acpi_driver_data(ibm->acpi->device) = ibm;
+ sprintf(acpi_device_class(ibm->acpi->device), "%s/%s",
IBM_ACPI_EVENT_PREFIX,
ibm->name);
- status = acpi_install_notify_handler(*ibm->handle, ibm->type,
- dispatch_notify, ibm);
+ status = acpi_install_notify_handler(*ibm->acpi->handle,
+ ibm->acpi->type, dispatch_acpi_notify, ibm);
if (ACPI_FAILURE(status)) {
if (status == AE_ALREADY_EXISTS) {
printk(IBM_NOTICE "another device driver is already handling %s events\n",
}
return -ENODEV;
}
- ibm->notify_installed = 1;
+ ibm->flags.acpi_notify_installed = 1;
return 0;
}
-static int __init ibm_device_add(struct acpi_device *device)
+static int __init tpacpi_device_add(struct acpi_device *device)
{
return 0;
}
static int __init register_tpacpi_subdriver(struct ibm_struct *ibm)
{
- int ret;
+ int rc;
+
+ dbg_printk(TPACPI_DBG_INIT,
+ "registering %s as an ACPI driver\n", ibm->name);
+
+ BUG_ON(!ibm->acpi);
- ibm->driver = kzalloc(sizeof(struct acpi_driver), GFP_KERNEL);
- if (!ibm->driver) {
- printk(IBM_ERR "kmalloc(ibm->driver) failed\n");
- return -1;
+ ibm->acpi->driver = kzalloc(sizeof(struct acpi_driver), GFP_KERNEL);
+ if (!ibm->acpi->driver) {
+ printk(IBM_ERR "kzalloc(ibm->driver) failed\n");
+ return -ENOMEM;
}
- sprintf(ibm->driver->name, "%s_%s", IBM_NAME, ibm->name);
- ibm->driver->ids = ibm->hid;
- ibm->driver->ops.add = &ibm_device_add;
+ sprintf(ibm->acpi->driver->name, "%s_%s", IBM_NAME, ibm->name);
+ ibm->acpi->driver->ids = ibm->acpi->hid;
+ ibm->acpi->driver->ops.add = &tpacpi_device_add;
- ret = acpi_bus_register_driver(ibm->driver);
- if (ret < 0) {
+ rc = acpi_bus_register_driver(ibm->acpi->driver);
+ if (rc < 0) {
printk(IBM_ERR "acpi_bus_register_driver(%s) failed: %d\n",
- ibm->hid, ret);
- kfree(ibm->driver);
- }
+ ibm->acpi->hid, rc);
+ kfree(ibm->acpi->driver);
+ ibm->acpi->driver = NULL;
+ } else if (!rc)
+ ibm->flags.acpi_driver_registered = 1;
- return ret;
+ return rc;
}
****************************************************************************
****************************************************************************/
-static int dispatch_read(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static int dispatch_procfs_read(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
{
struct ibm_struct *ibm = data;
int len;
return len;
}
-static int dispatch_write(struct file *file, const char __user * userbuf,
- unsigned long count, void *data)
+static int dispatch_procfs_write(struct file *file,
+ const char __user * userbuf,
+ unsigned long count, void *data)
{
struct ibm_struct *ibm = data;
char *kernbuf;
}
+/****************************************************************************
+ ****************************************************************************
+ *
+ * Device model: hwmon and platform
+ *
+ ****************************************************************************
+ ****************************************************************************/
+
+static struct platform_device *tpacpi_pdev = NULL;
+static struct class_device *tpacpi_hwmon = NULL;
+
+static struct platform_driver tpacpi_pdriver = {
+ .driver = {
+ .name = IBM_DRVR_NAME,
+ .owner = THIS_MODULE,
+ },
+};
+
+
+/*************************************************************************
+ * thinkpad-acpi driver attributes
+ */
+
+/* interface_version --------------------------------------------------- */
+static ssize_t tpacpi_driver_interface_version_show(
+ struct device_driver *drv,
+ char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "0x%08x\n", TPACPI_SYSFS_VERSION);
+}
+
+static DRIVER_ATTR(interface_version, S_IRUGO,
+ tpacpi_driver_interface_version_show, NULL);
+
+/* debug_level --------------------------------------------------------- */
+static ssize_t tpacpi_driver_debug_show(struct device_driver *drv,
+ char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "0x%04x\n", dbg_level);
+}
+
+static ssize_t tpacpi_driver_debug_store(struct device_driver *drv,
+ const char *buf, size_t count)
+{
+ unsigned long t;
+
+ if (parse_strtoul(buf, 0xffff, &t))
+ return -EINVAL;
+
+ dbg_level = t;
+
+ return count;
+}
+
+static DRIVER_ATTR(debug_level, S_IWUSR | S_IRUGO,
+ tpacpi_driver_debug_show, tpacpi_driver_debug_store);
+
+/* version ------------------------------------------------------------- */
+static ssize_t tpacpi_driver_version_show(struct device_driver *drv,
+ char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%s v%s\n", IBM_DESC, IBM_VERSION);
+}
+
+static DRIVER_ATTR(version, S_IRUGO,
+ tpacpi_driver_version_show, NULL);
+
+/* --------------------------------------------------------------------- */
+
+static struct driver_attribute* tpacpi_driver_attributes[] = {
+ &driver_attr_debug_level, &driver_attr_version,
+ &driver_attr_interface_version,
+};
+
+static int __init tpacpi_create_driver_attributes(struct device_driver *drv)
+{
+ int i, res;
+
+ i = 0;
+ res = 0;
+ while (!res && i < ARRAY_SIZE(tpacpi_driver_attributes)) {
+ res = driver_create_file(drv, tpacpi_driver_attributes[i]);
+ i++;
+ }
+
+ return res;
+}
+
+static void tpacpi_remove_driver_attributes(struct device_driver *drv)
+{
+ int i;
+
+ for(i = 0; i < ARRAY_SIZE(tpacpi_driver_attributes); i++)
+ driver_remove_file(drv, tpacpi_driver_attributes[i]);
+}
+
+/*************************************************************************
+ * sysfs support helpers
+ */
+
+struct attribute_set_obj {
+ struct attribute_set s;
+ struct attribute *a;
+} __attribute__((packed));
+
+static struct attribute_set *create_attr_set(unsigned int max_members,
+ const char* name)
+{
+ struct attribute_set_obj *sobj;
+
+ if (max_members == 0)
+ return NULL;
+
+ /* Allocates space for implicit NULL at the end too */
+ sobj = kzalloc(sizeof(struct attribute_set_obj) +
+ max_members * sizeof(struct attribute *),
+ GFP_KERNEL);
+ if (!sobj)
+ return NULL;
+ sobj->s.max_members = max_members;
+ sobj->s.group.attrs = &sobj->a;
+ sobj->s.group.name = name;
+
+ return &sobj->s;
+}
+
+/* not multi-threaded safe, use it in a single thread per set */
+static int add_to_attr_set(struct attribute_set* s, struct attribute *attr)
+{
+ if (!s || !attr)
+ return -EINVAL;
+
+ if (s->members >= s->max_members)
+ return -ENOMEM;
+
+ s->group.attrs[s->members] = attr;
+ s->members++;
+
+ return 0;
+}
+
+static int add_many_to_attr_set(struct attribute_set* s,
+ struct attribute **attr,
+ unsigned int count)
+{
+ int i, res;
+
+ for (i = 0; i < count; i++) {
+ res = add_to_attr_set(s, attr[i]);
+ if (res)
+ return res;
+ }
+
+ return 0;
+}
+
+static void delete_attr_set(struct attribute_set* s, struct kobject *kobj)
+{
+ sysfs_remove_group(kobj, &s->group);
+ destroy_attr_set(s);
+}
+
+static int parse_strtoul(const char *buf,
+ unsigned long max, unsigned long *value)
+{
+ char *endp;
+
+ *value = simple_strtoul(buf, &endp, 0);
+ while (*endp && isspace(*endp))
+ endp++;
+ if (*endp || *value > max)
+ return -EINVAL;
+
+ return 0;
+}
+
/****************************************************************************
****************************************************************************
*
****************************************************************************/
/*************************************************************************
- * ibm-acpi init subdriver
+ * thinkpad-acpi init subdriver
*/
-static int thinkpad_acpi_driver_init(void)
+static int __init thinkpad_acpi_driver_init(struct ibm_init_struct *iibm)
{
printk(IBM_INFO "%s v%s\n", IBM_DESC, IBM_VERSION);
printk(IBM_INFO "%s\n", IBM_URL);
return len;
}
+static struct ibm_struct thinkpad_acpi_driver_data = {
+ .name = "driver",
+ .read = thinkpad_acpi_driver_read,
+};
+
/*************************************************************************
* Hotkey subdriver
*/
-static int hotkey_supported;
-static int hotkey_mask_supported;
static int hotkey_orig_status;
static int hotkey_orig_mask;
-static int hotkey_init(void)
+static struct attribute_set *hotkey_dev_attributes = NULL;
+
+/* sysfs hotkey enable ------------------------------------------------- */
+static ssize_t hotkey_enable_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ int res, status, mask;
+
+ res = hotkey_get(&status, &mask);
+ if (res)
+ return res;
+
+ return snprintf(buf, PAGE_SIZE, "%d\n", status);
+}
+
+static ssize_t hotkey_enable_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ unsigned long t;
+ int res, status, mask;
+
+ if (parse_strtoul(buf, 1, &t))
+ return -EINVAL;
+
+ res = hotkey_get(&status, &mask);
+ if (!res)
+ res = hotkey_set(t, mask);
+
+ return (res) ? res : count;
+}
+
+static struct device_attribute dev_attr_hotkey_enable =
+ __ATTR(enable, S_IWUSR | S_IRUGO,
+ hotkey_enable_show, hotkey_enable_store);
+
+/* sysfs hotkey mask --------------------------------------------------- */
+static ssize_t hotkey_mask_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ int res, status, mask;
+
+ res = hotkey_get(&status, &mask);
+ if (res)
+ return res;
+
+ return snprintf(buf, PAGE_SIZE, "0x%04x\n", mask);
+}
+
+static ssize_t hotkey_mask_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ unsigned long t;
+ int res, status, mask;
+
+ if (parse_strtoul(buf, 0xffff, &t))
+ return -EINVAL;
+
+ res = hotkey_get(&status, &mask);
+ if (!res)
+ hotkey_set(status, t);
+
+ return (res) ? res : count;
+}
+
+static struct device_attribute dev_attr_hotkey_mask =
+ __ATTR(mask, S_IWUSR | S_IRUGO,
+ hotkey_mask_show, hotkey_mask_store);
+
+/* sysfs hotkey bios_enabled ------------------------------------------- */
+static ssize_t hotkey_bios_enabled_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%d\n", hotkey_orig_status);
+}
+
+static struct device_attribute dev_attr_hotkey_bios_enabled =
+ __ATTR(bios_enabled, S_IRUGO, hotkey_bios_enabled_show, NULL);
+
+/* sysfs hotkey bios_mask ---------------------------------------------- */
+static ssize_t hotkey_bios_mask_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "0x%04x\n", hotkey_orig_mask);
+}
+
+static struct device_attribute dev_attr_hotkey_bios_mask =
+ __ATTR(bios_mask, S_IRUGO, hotkey_bios_mask_show, NULL);
+
+/* --------------------------------------------------------------------- */
+
+static struct attribute *hotkey_mask_attributes[] = {
+ &dev_attr_hotkey_mask.attr,
+ &dev_attr_hotkey_bios_enabled.attr,
+ &dev_attr_hotkey_bios_mask.attr,
+};
+
+static int __init hotkey_init(struct ibm_init_struct *iibm)
{
+ int res;
+
+ vdbg_printk(TPACPI_DBG_INIT, "initializing hotkey subdriver\n");
+
+ IBM_ACPIHANDLE_INIT(hkey);
+ mutex_init(&hotkey_mutex);
+
/* hotkey not supported on 570 */
- hotkey_supported = hkey_handle != NULL;
+ tp_features.hotkey = hkey_handle != NULL;
+
+ vdbg_printk(TPACPI_DBG_INIT, "hotkeys are %s\n",
+ str_supported(tp_features.hotkey));
+
+ if (tp_features.hotkey) {
+ hotkey_dev_attributes = create_attr_set(4,
+ TPACPI_HOTKEY_SYSFS_GROUP);
+ if (!hotkey_dev_attributes)
+ return -ENOMEM;
+ res = add_to_attr_set(hotkey_dev_attributes,
+ &dev_attr_hotkey_enable.attr);
+ if (res)
+ return res;
- if (hotkey_supported) {
/* mask not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p,
A30, R30, R31, T20-22, X20-21, X22-24 */
- hotkey_mask_supported =
- acpi_evalf(hkey_handle, NULL, "DHKN", "qv");
+ tp_features.hotkey_mask =
+ acpi_evalf(hkey_handle, NULL, "DHKN", "qv");
+
+ vdbg_printk(TPACPI_DBG_INIT, "hotkey masks are %s\n",
+ str_supported(tp_features.hotkey_mask));
- if (!hotkey_get(&hotkey_orig_status, &hotkey_orig_mask))
- return -ENODEV;
+ res = hotkey_get(&hotkey_orig_status, &hotkey_orig_mask);
+ if (!res && tp_features.hotkey_mask) {
+ res = add_many_to_attr_set(hotkey_dev_attributes,
+ hotkey_mask_attributes,
+ ARRAY_SIZE(hotkey_mask_attributes));
+ }
+ if (!res)
+ res = register_attr_set_with_sysfs(
+ hotkey_dev_attributes,
+ &tpacpi_pdev->dev.kobj);
+
+ if (res)
+ return res;
}
- return 0;
+ return (tp_features.hotkey)? 0 : 1;
}
static void hotkey_exit(void)
{
- if (hotkey_supported)
- hotkey_set(hotkey_orig_status, hotkey_orig_mask);
+ int res;
+
+ if (tp_features.hotkey) {
+ dbg_printk(TPACPI_DBG_EXIT, "restoring original hotkey mask\n");
+ res = hotkey_set(hotkey_orig_status, hotkey_orig_mask);
+ if (res)
+ printk(IBM_ERR "failed to restore hotkey to BIOS defaults\n");
+ }
+
+ if (hotkey_dev_attributes) {
+ delete_attr_set(hotkey_dev_attributes, &tpacpi_pdev->dev.kobj);
+ hotkey_dev_attributes = NULL;
+ }
}
static void hotkey_notify(struct ibm_struct *ibm, u32 event)
int hkey;
if (acpi_evalf(hkey_handle, &hkey, "MHKP", "d"))
- acpi_bus_generate_event(ibm->device, event, hkey);
+ acpi_bus_generate_event(ibm->acpi->device, event, hkey);
else {
printk(IBM_ERR "unknown hotkey event %d\n", event);
- acpi_bus_generate_event(ibm->device, event, 0);
+ acpi_bus_generate_event(ibm->acpi->device, event, 0);
}
}
+/*
+ * Call with hotkey_mutex held
+ */
static int hotkey_get(int *status, int *mask)
{
if (!acpi_evalf(hkey_handle, status, "DHKC", "d"))
- return 0;
+ return -EIO;
- if (hotkey_mask_supported)
+ if (tp_features.hotkey_mask)
if (!acpi_evalf(hkey_handle, mask, "DHKN", "d"))
- return 0;
+ return -EIO;
- return 1;
+ return 0;
}
+/*
+ * Call with hotkey_mutex held
+ */
static int hotkey_set(int status, int mask)
{
int i;
if (!acpi_evalf(hkey_handle, NULL, "MHKC", "vd", status))
- return 0;
+ return -EIO;
- if (hotkey_mask_supported)
+ if (tp_features.hotkey_mask)
for (i = 0; i < 32; i++) {
int bit = ((1 << i) & mask) != 0;
if (!acpi_evalf(hkey_handle,
NULL, "MHKM", "vdd", i + 1, bit))
- return 0;
+ return -EIO;
}
- return 1;
+ return 0;
}
+/* procfs -------------------------------------------------------------- */
static int hotkey_read(char *p)
{
- int status, mask;
+ int res, status, mask;
int len = 0;
- if (!hotkey_supported) {
+ if (!tp_features.hotkey) {
len += sprintf(p + len, "status:\t\tnot supported\n");
return len;
}
- if (!hotkey_get(&status, &mask))
- return -EIO;
+ res = mutex_lock_interruptible(&hotkey_mutex);
+ if (res < 0)
+ return res;
+ res = hotkey_get(&status, &mask);
+ mutex_unlock(&hotkey_mutex);
+ if (res)
+ return res;
len += sprintf(p + len, "status:\t\t%s\n", enabled(status, 0));
- if (hotkey_mask_supported) {
+ if (tp_features.hotkey_mask) {
len += sprintf(p + len, "mask:\t\t0x%04x\n", mask);
len += sprintf(p + len,
"commands:\tenable, disable, reset, <mask>\n");
static int hotkey_write(char *buf)
{
- int status, mask;
+ int res, status, mask;
char *cmd;
int do_cmd = 0;
- if (!hotkey_supported)
+ if (!tp_features.hotkey)
return -ENODEV;
- if (!hotkey_get(&status, &mask))
- return -EIO;
+ res = mutex_lock_interruptible(&hotkey_mutex);
+ if (res < 0)
+ return res;
+ res = hotkey_get(&status, &mask);
+ if (res)
+ goto errexit;
+
+ res = 0;
while ((cmd = next_cmd(&buf))) {
if (strlencmp(cmd, "enable") == 0) {
status = 1;
/* mask set */
} else if (sscanf(cmd, "%x", &mask) == 1) {
/* mask set */
- } else
- return -EINVAL;
+ } else {
+ res = -EINVAL;
+ goto errexit;
+ }
do_cmd = 1;
}
- if (do_cmd && !hotkey_set(status, mask))
- return -EIO;
+ if (do_cmd)
+ res = hotkey_set(status, mask);
- return 0;
+errexit:
+ mutex_unlock(&hotkey_mutex);
+ return res;
}
+static struct tp_acpi_drv_struct ibm_hotkey_acpidriver = {
+ .hid = IBM_HKEY_HID,
+ .notify = hotkey_notify,
+ .handle = &hkey_handle,
+ .type = ACPI_DEVICE_NOTIFY,
+};
+
+static struct ibm_struct hotkey_driver_data = {
+ .name = "hotkey",
+ .read = hotkey_read,
+ .write = hotkey_write,
+ .exit = hotkey_exit,
+ .acpi = &ibm_hotkey_acpidriver,
+};
+
/*************************************************************************
* Bluetooth subdriver
*/
-static int bluetooth_supported;
+/* sysfs bluetooth enable ---------------------------------------------- */
+static ssize_t bluetooth_enable_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ int status;
+
+ status = bluetooth_get_radiosw();
+ if (status < 0)
+ return status;
+
+ return snprintf(buf, PAGE_SIZE, "%d\n", status ? 1 : 0);
+}
+
+static ssize_t bluetooth_enable_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ unsigned long t;
+ int res;
+
+ if (parse_strtoul(buf, 1, &t))
+ return -EINVAL;
+
+ res = bluetooth_set_radiosw(t);
+
+ return (res) ? res : count;
+}
+
+static struct device_attribute dev_attr_bluetooth_enable =
+ __ATTR(enable, S_IWUSR | S_IRUGO,
+ bluetooth_enable_show, bluetooth_enable_store);
+
+/* --------------------------------------------------------------------- */
+
+static struct attribute *bluetooth_attributes[] = {
+ &dev_attr_bluetooth_enable.attr,
+ NULL
+};
+
+static const struct attribute_group bluetooth_attr_group = {
+ .name = TPACPI_BLUETH_SYSFS_GROUP,
+ .attrs = bluetooth_attributes,
+};
-static int bluetooth_init(void)
+static int __init bluetooth_init(struct ibm_init_struct *iibm)
{
+ int res;
+ int status = 0;
+
+ vdbg_printk(TPACPI_DBG_INIT, "initializing bluetooth subdriver\n");
+
+ IBM_ACPIHANDLE_INIT(hkey);
+
/* bluetooth not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p,
G4x, R30, R31, R40e, R50e, T20-22, X20-21 */
- bluetooth_supported = hkey_handle &&
- acpi_evalf(hkey_handle, NULL, "GBDC", "qv");
+ tp_features.bluetooth = hkey_handle &&
+ acpi_evalf(hkey_handle, &status, "GBDC", "qd");
+
+ vdbg_printk(TPACPI_DBG_INIT, "bluetooth is %s, status 0x%02x\n",
+ str_supported(tp_features.bluetooth),
+ status);
+
+ if (tp_features.bluetooth) {
+ if (!(status & TP_ACPI_BLUETOOTH_HWPRESENT)) {
+ /* no bluetooth hardware present in system */
+ tp_features.bluetooth = 0;
+ dbg_printk(TPACPI_DBG_INIT,
+ "bluetooth hardware not installed\n");
+ } else {
+ res = sysfs_create_group(&tpacpi_pdev->dev.kobj,
+ &bluetooth_attr_group);
+ if (res)
+ return res;
+ }
+ }
- return 0;
+ return (tp_features.bluetooth)? 0 : 1;
+}
+
+static void bluetooth_exit(void)
+{
+ sysfs_remove_group(&tpacpi_pdev->dev.kobj,
+ &bluetooth_attr_group);
}
-static int bluetooth_status(void)
+static int bluetooth_get_radiosw(void)
{
int status;
- if (!bluetooth_supported ||
- !acpi_evalf(hkey_handle, &status, "GBDC", "d"))
- status = 0;
+ if (!tp_features.bluetooth)
+ return -ENODEV;
- return status;
+ if (!acpi_evalf(hkey_handle, &status, "GBDC", "d"))
+ return -EIO;
+
+ return ((status & TP_ACPI_BLUETOOTH_RADIOSSW) != 0);
+}
+
+static int bluetooth_set_radiosw(int radio_on)
+{
+ int status;
+
+ if (!tp_features.bluetooth)
+ return -ENODEV;
+
+ if (!acpi_evalf(hkey_handle, &status, "GBDC", "d"))
+ return -EIO;
+ if (radio_on)
+ status |= TP_ACPI_BLUETOOTH_RADIOSSW;
+ else
+ status &= ~TP_ACPI_BLUETOOTH_RADIOSSW;
+ if (!acpi_evalf(hkey_handle, NULL, "SBDC", "vd", status))
+ return -EIO;
+
+ return 0;
}
+/* procfs -------------------------------------------------------------- */
static int bluetooth_read(char *p)
{
int len = 0;
- int status = bluetooth_status();
+ int status = bluetooth_get_radiosw();
- if (!bluetooth_supported)
+ if (!tp_features.bluetooth)
len += sprintf(p + len, "status:\t\tnot supported\n");
- else if (!(status & 1))
- len += sprintf(p + len, "status:\t\tnot installed\n");
else {
- len += sprintf(p + len, "status:\t\t%s\n", enabled(status, 1));
+ len += sprintf(p + len, "status:\t\t%s\n",
+ (status)? "enabled" : "disabled");
len += sprintf(p + len, "commands:\tenable, disable\n");
}
static int bluetooth_write(char *buf)
{
- int status = bluetooth_status();
char *cmd;
- int do_cmd = 0;
- if (!bluetooth_supported)
+ if (!tp_features.bluetooth)
return -ENODEV;
while ((cmd = next_cmd(&buf))) {
if (strlencmp(cmd, "enable") == 0) {
- status |= 2;
+ bluetooth_set_radiosw(1);
} else if (strlencmp(cmd, "disable") == 0) {
- status &= ~2;
+ bluetooth_set_radiosw(0);
} else
return -EINVAL;
- do_cmd = 1;
}
- if (do_cmd && !acpi_evalf(hkey_handle, NULL, "SBDC", "vd", status))
- return -EIO;
-
return 0;
}
+static struct ibm_struct bluetooth_driver_data = {
+ .name = "bluetooth",
+ .read = bluetooth_read,
+ .write = bluetooth_write,
+ .exit = bluetooth_exit,
+};
+
/*************************************************************************
* Wan subdriver
*/
-static int wan_supported;
+/* sysfs wan enable ---------------------------------------------------- */
+static ssize_t wan_enable_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ int status;
+
+ status = wan_get_radiosw();
+ if (status < 0)
+ return status;
+
+ return snprintf(buf, PAGE_SIZE, "%d\n", status ? 1 : 0);
+}
-static int wan_init(void)
+static ssize_t wan_enable_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
- wan_supported = hkey_handle &&
- acpi_evalf(hkey_handle, NULL, "GWAN", "qv");
+ unsigned long t;
+ int res;
- return 0;
+ if (parse_strtoul(buf, 1, &t))
+ return -EINVAL;
+
+ res = wan_set_radiosw(t);
+
+ return (res) ? res : count;
+}
+
+static struct device_attribute dev_attr_wan_enable =
+ __ATTR(enable, S_IWUSR | S_IRUGO,
+ wan_enable_show, wan_enable_store);
+
+/* --------------------------------------------------------------------- */
+
+static struct attribute *wan_attributes[] = {
+ &dev_attr_wan_enable.attr,
+ NULL
+};
+
+static const struct attribute_group wan_attr_group = {
+ .name = TPACPI_WAN_SYSFS_GROUP,
+ .attrs = wan_attributes,
+};
+
+static int __init wan_init(struct ibm_init_struct *iibm)
+{
+ int res;
+ int status = 0;
+
+ vdbg_printk(TPACPI_DBG_INIT, "initializing wan subdriver\n");
+
+ IBM_ACPIHANDLE_INIT(hkey);
+
+ tp_features.wan = hkey_handle &&
+ acpi_evalf(hkey_handle, &status, "GWAN", "qd");
+
+ vdbg_printk(TPACPI_DBG_INIT, "wan is %s, status 0x%02x\n",
+ str_supported(tp_features.wan),
+ status);
+
+ if (tp_features.wan) {
+ if (!(status & TP_ACPI_WANCARD_HWPRESENT)) {
+ /* no wan hardware present in system */
+ tp_features.wan = 0;
+ dbg_printk(TPACPI_DBG_INIT,
+ "wan hardware not installed\n");
+ } else {
+ res = sysfs_create_group(&tpacpi_pdev->dev.kobj,
+ &wan_attr_group);
+ if (res)
+ return res;
+ }
+ }
+
+ return (tp_features.wan)? 0 : 1;
}
-static int wan_status(void)
+static void wan_exit(void)
+{
+ sysfs_remove_group(&tpacpi_pdev->dev.kobj,
+ &wan_attr_group);
+}
+
+static int wan_get_radiosw(void)
{
int status;
- if (!wan_supported || !acpi_evalf(hkey_handle, &status, "GWAN", "d"))
- status = 0;
+ if (!tp_features.wan)
+ return -ENODEV;
- return status;
+ if (!acpi_evalf(hkey_handle, &status, "GWAN", "d"))
+ return -EIO;
+
+ return ((status & TP_ACPI_WANCARD_RADIOSSW) != 0);
}
+static int wan_set_radiosw(int radio_on)
+{
+ int status;
+
+ if (!tp_features.wan)
+ return -ENODEV;
+
+ if (!acpi_evalf(hkey_handle, &status, "GWAN", "d"))
+ return -EIO;
+ if (radio_on)
+ status |= TP_ACPI_WANCARD_RADIOSSW;
+ else
+ status &= ~TP_ACPI_WANCARD_RADIOSSW;
+ if (!acpi_evalf(hkey_handle, NULL, "SWAN", "vd", status))
+ return -EIO;
+
+ return 0;
+}
+
+/* procfs -------------------------------------------------------------- */
static int wan_read(char *p)
{
int len = 0;
- int status = wan_status();
+ int status = wan_get_radiosw();
- if (!wan_supported)
+ if (!tp_features.wan)
len += sprintf(p + len, "status:\t\tnot supported\n");
- else if (!(status & 1))
- len += sprintf(p + len, "status:\t\tnot installed\n");
else {
- len += sprintf(p + len, "status:\t\t%s\n", enabled(status, 1));
+ len += sprintf(p + len, "status:\t\t%s\n",
+ (status)? "enabled" : "disabled");
len += sprintf(p + len, "commands:\tenable, disable\n");
}
static int wan_write(char *buf)
{
- int status = wan_status();
char *cmd;
- int do_cmd = 0;
- if (!wan_supported)
+ if (!tp_features.wan)
return -ENODEV;
while ((cmd = next_cmd(&buf))) {
if (strlencmp(cmd, "enable") == 0) {
- status |= 2;
+ wan_set_radiosw(1);
} else if (strlencmp(cmd, "disable") == 0) {
- status &= ~2;
+ wan_set_radiosw(0);
} else
return -EINVAL;
- do_cmd = 1;
}
- if (do_cmd && !acpi_evalf(hkey_handle, NULL, "SWAN", "vd", status))
- return -EIO;
-
return 0;
}
+static struct ibm_struct wan_driver_data = {
+ .name = "wan",
+ .read = wan_read,
+ .write = wan_write,
+ .exit = wan_exit,
+ .flags.experimental = 1,
+};
+
/*************************************************************************
* Video subdriver
*/
IBM_HANDLE(vid2, root, "\\_SB.PCI0.AGPB.VID"); /* G41 */
-static int video_init(void)
+static int __init video_init(struct ibm_init_struct *iibm)
{
int ivga;
+ vdbg_printk(TPACPI_DBG_INIT, "initializing video subdriver\n");
+
+ IBM_ACPIHANDLE_INIT(vid);
+ IBM_ACPIHANDLE_INIT(vid2);
+
if (vid2_handle && acpi_evalf(NULL, &ivga, "\\IVGA", "d") && ivga)
/* G41, assume IVGA doesn't change */
vid_handle = vid2_handle;
if (!vid_handle)
/* video switching not supported on R30, R31 */
- video_supported = IBMACPI_VIDEO_NONE;
+ video_supported = TPACPI_VIDEO_NONE;
else if (acpi_evalf(vid_handle, &video_orig_autosw, "SWIT", "qd"))
/* 570 */
- video_supported = IBMACPI_VIDEO_570;
+ video_supported = TPACPI_VIDEO_570;
else if (acpi_evalf(vid_handle, &video_orig_autosw, "^VADL", "qd"))
/* 600e/x, 770e, 770x */
- video_supported = IBMACPI_VIDEO_770;
+ video_supported = TPACPI_VIDEO_770;
else
/* all others */
- video_supported = IBMACPI_VIDEO_NEW;
+ video_supported = TPACPI_VIDEO_NEW;
- return 0;
+ vdbg_printk(TPACPI_DBG_INIT, "video is %s, mode %d\n",
+ str_supported(video_supported != TPACPI_VIDEO_NONE),
+ video_supported);
+
+ return (video_supported != TPACPI_VIDEO_NONE)? 0 : 1;
}
static void video_exit(void)
{
- acpi_evalf(vid_handle, NULL, "_DOS", "vd", video_orig_autosw);
+ dbg_printk(TPACPI_DBG_EXIT,
+ "restoring original video autoswitch mode\n");
+ if (video_autosw_set(video_orig_autosw))
+ printk(IBM_ERR "error while trying to restore original "
+ "video autoswitch mode\n");
}
-static int video_status(void)
+static int video_outputsw_get(void)
{
int status = 0;
int i;
- if (video_supported == IBMACPI_VIDEO_570) {
- if (acpi_evalf(NULL, &i, "\\_SB.PHS", "dd", 0x87))
- status = i & 3;
- } else if (video_supported == IBMACPI_VIDEO_770) {
- if (acpi_evalf(NULL, &i, "\\VCDL", "d"))
- status |= 0x01 * i;
- if (acpi_evalf(NULL, &i, "\\VCDC", "d"))
- status |= 0x02 * i;
- } else if (video_supported == IBMACPI_VIDEO_NEW) {
- acpi_evalf(NULL, NULL, "\\VUPS", "vd", 1);
- if (acpi_evalf(NULL, &i, "\\VCDC", "d"))
- status |= 0x02 * i;
-
- acpi_evalf(NULL, NULL, "\\VUPS", "vd", 0);
- if (acpi_evalf(NULL, &i, "\\VCDL", "d"))
- status |= 0x01 * i;
- if (acpi_evalf(NULL, &i, "\\VCDD", "d"))
- status |= 0x08 * i;
+ switch (video_supported) {
+ case TPACPI_VIDEO_570:
+ if (!acpi_evalf(NULL, &i, "\\_SB.PHS", "dd",
+ TP_ACPI_VIDEO_570_PHSCMD))
+ return -EIO;
+ status = i & TP_ACPI_VIDEO_570_PHSMASK;
+ break;
+ case TPACPI_VIDEO_770:
+ if (!acpi_evalf(NULL, &i, "\\VCDL", "d"))
+ return -EIO;
+ if (i)
+ status |= TP_ACPI_VIDEO_S_LCD;
+ if (!acpi_evalf(NULL, &i, "\\VCDC", "d"))
+ return -EIO;
+ if (i)
+ status |= TP_ACPI_VIDEO_S_CRT;
+ break;
+ case TPACPI_VIDEO_NEW:
+ if (!acpi_evalf(NULL, NULL, "\\VUPS", "vd", 1) ||
+ !acpi_evalf(NULL, &i, "\\VCDC", "d"))
+ return -EIO;
+ if (i)
+ status |= TP_ACPI_VIDEO_S_CRT;
+
+ if (!acpi_evalf(NULL, NULL, "\\VUPS", "vd", 0) ||
+ !acpi_evalf(NULL, &i, "\\VCDL", "d"))
+ return -EIO;
+ if (i)
+ status |= TP_ACPI_VIDEO_S_LCD;
+ if (!acpi_evalf(NULL, &i, "\\VCDD", "d"))
+ return -EIO;
+ if (i)
+ status |= TP_ACPI_VIDEO_S_DVI;
+ break;
+ default:
+ return -ENOSYS;
}
return status;
}
-static int video_autosw(void)
+static int video_outputsw_set(int status)
{
- int autosw = 0;
+ int autosw;
+ int res = 0;
+
+ switch (video_supported) {
+ case TPACPI_VIDEO_570:
+ res = acpi_evalf(NULL, NULL,
+ "\\_SB.PHS2", "vdd",
+ TP_ACPI_VIDEO_570_PHS2CMD,
+ status | TP_ACPI_VIDEO_570_PHS2SET);
+ break;
+ case TPACPI_VIDEO_770:
+ autosw = video_autosw_get();
+ if (autosw < 0)
+ return autosw;
- if (video_supported == IBMACPI_VIDEO_570)
- acpi_evalf(vid_handle, &autosw, "SWIT", "d");
- else if (video_supported == IBMACPI_VIDEO_770 ||
- video_supported == IBMACPI_VIDEO_NEW)
- acpi_evalf(vid_handle, &autosw, "^VDEE", "d");
+ res = video_autosw_set(1);
+ if (res)
+ return res;
+ res = acpi_evalf(vid_handle, NULL,
+ "ASWT", "vdd", status * 0x100, 0);
+ if (!autosw && video_autosw_set(autosw)) {
+ printk(IBM_ERR "video auto-switch left enabled due to error\n");
+ return -EIO;
+ }
+ break;
+ case TPACPI_VIDEO_NEW:
+ res = acpi_evalf(NULL, NULL, "\\VUPS", "vd", 0x80) &&
+ acpi_evalf(NULL, NULL, "\\VSDS", "vdd", status, 1);
+ break;
+ default:
+ return -ENOSYS;
+ }
- return autosw & 1;
+ return (res)? 0 : -EIO;
}
-static int video_switch(void)
+static int video_autosw_get(void)
{
- int autosw = video_autosw();
- int ret;
+ int autosw = 0;
- if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1))
- return -EIO;
- ret = video_supported == IBMACPI_VIDEO_570 ?
- acpi_evalf(ec_handle, NULL, "_Q16", "v") :
- acpi_evalf(vid_handle, NULL, "VSWT", "v");
- acpi_evalf(vid_handle, NULL, "_DOS", "vd", autosw);
+ switch (video_supported) {
+ case TPACPI_VIDEO_570:
+ if (!acpi_evalf(vid_handle, &autosw, "SWIT", "d"))
+ return -EIO;
+ break;
+ case TPACPI_VIDEO_770:
+ case TPACPI_VIDEO_NEW:
+ if (!acpi_evalf(vid_handle, &autosw, "^VDEE", "d"))
+ return -EIO;
+ break;
+ default:
+ return -ENOSYS;
+ }
- return ret;
+ return autosw & 1;
}
-static int video_expand(void)
+static int video_autosw_set(int enable)
{
- if (video_supported == IBMACPI_VIDEO_570)
- return acpi_evalf(ec_handle, NULL, "_Q17", "v");
- else if (video_supported == IBMACPI_VIDEO_770)
- return acpi_evalf(vid_handle, NULL, "VEXP", "v");
- else
- return acpi_evalf(NULL, NULL, "\\VEXP", "v");
+ if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", (enable)? 1 : 0))
+ return -EIO;
+ return 0;
}
-static int video_switch2(int status)
+static int video_outputsw_cycle(void)
{
- int ret;
+ int autosw = video_autosw_get();
+ int res;
- if (video_supported == IBMACPI_VIDEO_570) {
- ret = acpi_evalf(NULL, NULL,
- "\\_SB.PHS2", "vdd", 0x8b, status | 0x80);
- } else if (video_supported == IBMACPI_VIDEO_770) {
- int autosw = video_autosw();
- if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1))
- return -EIO;
+ if (autosw < 0)
+ return autosw;
- ret = acpi_evalf(vid_handle, NULL,
- "ASWT", "vdd", status * 0x100, 0);
-
- acpi_evalf(vid_handle, NULL, "_DOS", "vd", autosw);
- } else {
- ret = acpi_evalf(NULL, NULL, "\\VUPS", "vd", 0x80) &&
- acpi_evalf(NULL, NULL, "\\VSDS", "vdd", status, 1);
+ switch (video_supported) {
+ case TPACPI_VIDEO_570:
+ res = video_autosw_set(1);
+ if (res)
+ return res;
+ res = acpi_evalf(ec_handle, NULL, "_Q16", "v");
+ break;
+ case TPACPI_VIDEO_770:
+ case TPACPI_VIDEO_NEW:
+ res = video_autosw_set(1);
+ if (res)
+ return res;
+ res = acpi_evalf(vid_handle, NULL, "VSWT", "v");
+ break;
+ default:
+ return -ENOSYS;
+ }
+ if (!autosw && video_autosw_set(autosw)) {
+ printk(IBM_ERR "video auto-switch left enabled due to error\n");
+ return -EIO;
}
- return ret;
+ return (res)? 0 : -EIO;
+}
+
+static int video_expand_toggle(void)
+{
+ switch (video_supported) {
+ case TPACPI_VIDEO_570:
+ return acpi_evalf(ec_handle, NULL, "_Q17", "v")?
+ 0 : -EIO;
+ case TPACPI_VIDEO_770:
+ return acpi_evalf(vid_handle, NULL, "VEXP", "v")?
+ 0 : -EIO;
+ case TPACPI_VIDEO_NEW:
+ return acpi_evalf(NULL, NULL, "\\VEXP", "v")?
+ 0 : -EIO;
+ default:
+ return -ENOSYS;
+ }
+ /* not reached */
}
static int video_read(char *p)
{
- int status = video_status();
- int autosw = video_autosw();
+ int status, autosw;
int len = 0;
- if (!video_supported) {
+ if (video_supported == TPACPI_VIDEO_NONE) {
len += sprintf(p + len, "status:\t\tnot supported\n");
return len;
}
+ status = video_outputsw_get();
+ if (status < 0)
+ return status;
+
+ autosw = video_autosw_get();
+ if (autosw < 0)
+ return autosw;
+
len += sprintf(p + len, "status:\t\tsupported\n");
len += sprintf(p + len, "lcd:\t\t%s\n", enabled(status, 0));
len += sprintf(p + len, "crt:\t\t%s\n", enabled(status, 1));
- if (video_supported == IBMACPI_VIDEO_NEW)
+ if (video_supported == TPACPI_VIDEO_NEW)
len += sprintf(p + len, "dvi:\t\t%s\n", enabled(status, 3));
len += sprintf(p + len, "auto:\t\t%s\n", enabled(autosw, 0));
len += sprintf(p + len, "commands:\tlcd_enable, lcd_disable\n");
len += sprintf(p + len, "commands:\tcrt_enable, crt_disable\n");
- if (video_supported == IBMACPI_VIDEO_NEW)
+ if (video_supported == TPACPI_VIDEO_NEW)
len += sprintf(p + len, "commands:\tdvi_enable, dvi_disable\n");
len += sprintf(p + len, "commands:\tauto_enable, auto_disable\n");
len += sprintf(p + len, "commands:\tvideo_switch, expand_toggle\n");
{
char *cmd;
int enable, disable, status;
+ int res;
- if (!video_supported)
+ if (video_supported == TPACPI_VIDEO_NONE)
return -ENODEV;
- enable = disable = 0;
+ enable = 0;
+ disable = 0;
while ((cmd = next_cmd(&buf))) {
if (strlencmp(cmd, "lcd_enable") == 0) {
- enable |= 0x01;
+ enable |= TP_ACPI_VIDEO_S_LCD;
} else if (strlencmp(cmd, "lcd_disable") == 0) {
- disable |= 0x01;
+ disable |= TP_ACPI_VIDEO_S_LCD;
} else if (strlencmp(cmd, "crt_enable") == 0) {
- enable |= 0x02;
+ enable |= TP_ACPI_VIDEO_S_CRT;
} else if (strlencmp(cmd, "crt_disable") == 0) {
- disable |= 0x02;
- } else if (video_supported == IBMACPI_VIDEO_NEW &&
+ disable |= TP_ACPI_VIDEO_S_CRT;
+ } else if (video_supported == TPACPI_VIDEO_NEW &&
strlencmp(cmd, "dvi_enable") == 0) {
- enable |= 0x08;
- } else if (video_supported == IBMACPI_VIDEO_NEW &&
+ enable |= TP_ACPI_VIDEO_S_DVI;
+ } else if (video_supported == TPACPI_VIDEO_NEW &&
strlencmp(cmd, "dvi_disable") == 0) {
- disable |= 0x08;
+ disable |= TP_ACPI_VIDEO_S_DVI;
} else if (strlencmp(cmd, "auto_enable") == 0) {
- if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1))
- return -EIO;
+ res = video_autosw_set(1);
+ if (res)
+ return res;
} else if (strlencmp(cmd, "auto_disable") == 0) {
- if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 0))
- return -EIO;
+ res = video_autosw_set(0);
+ if (res)
+ return res;
} else if (strlencmp(cmd, "video_switch") == 0) {
- if (!video_switch())
- return -EIO;
+ res = video_outputsw_cycle();
+ if (res)
+ return res;
} else if (strlencmp(cmd, "expand_toggle") == 0) {
- if (!video_expand())
- return -EIO;
+ res = video_expand_toggle();
+ if (res)
+ return res;
} else
return -EINVAL;
}
if (enable || disable) {
- status = (video_status() & 0x0f & ~disable) | enable;
- if (!video_switch2(status))
- return -EIO;
+ status = video_outputsw_get();
+ if (status < 0)
+ return status;
+ res = video_outputsw_set((status & ~disable) | enable);
+ if (res)
+ return res;
}
return 0;
}
+static struct ibm_struct video_driver_data = {
+ .name = "video",
+ .read = video_read,
+ .write = video_write,
+ .exit = video_exit,
+};
+
/*************************************************************************
* Light (thinklight) subdriver
*/
-static int light_supported;
-static int light_status_supported;
-
IBM_HANDLE(lght, root, "\\LGHT"); /* A21e, A2xm/p, T20-22, X20-21 */
IBM_HANDLE(ledb, ec, "LEDB"); /* G4x */
-static int light_init(void)
+static int __init light_init(struct ibm_init_struct *iibm)
{
+ vdbg_printk(TPACPI_DBG_INIT, "initializing light subdriver\n");
+
+ IBM_ACPIHANDLE_INIT(ledb);
+ IBM_ACPIHANDLE_INIT(lght);
+ IBM_ACPIHANDLE_INIT(cmos);
+
/* light not supported on 570, 600e/x, 770e, 770x, G4x, R30, R31 */
- light_supported = (cmos_handle || lght_handle) && !ledb_handle;
+ tp_features.light = (cmos_handle || lght_handle) && !ledb_handle;
- if (light_supported)
+ if (tp_features.light)
/* light status not supported on
570, 600e/x, 770e, 770x, G4x, R30, R31, R32, X20 */
- light_status_supported = acpi_evalf(ec_handle, NULL,
- "KBLT", "qv");
+ tp_features.light_status =
+ acpi_evalf(ec_handle, NULL, "KBLT", "qv");
- return 0;
+ vdbg_printk(TPACPI_DBG_INIT, "light is %s\n",
+ str_supported(tp_features.light));
+
+ return (tp_features.light)? 0 : 1;
}
static int light_read(char *p)
int len = 0;
int status = 0;
- if (!light_supported) {
+ if (!tp_features.light) {
len += sprintf(p + len, "status:\t\tnot supported\n");
- } else if (!light_status_supported) {
+ } else if (!tp_features.light_status) {
len += sprintf(p + len, "status:\t\tunknown\n");
len += sprintf(p + len, "commands:\ton, off\n");
} else {
char *cmd;
int success;
- if (!light_supported)
+ if (!tp_features.light)
return -ENODEV;
while ((cmd = next_cmd(&buf))) {
return 0;
}
+static struct ibm_struct light_driver_data = {
+ .name = "light",
+ .read = light_read,
+ .write = light_write,
+};
+
/*************************************************************************
* Dock subdriver
*/
-/* don't list other alternatives as we install a notify handler on the 570 */
-IBM_HANDLE(pci, root, "\\_SB.PCI"); /* 570 */
-
#ifdef CONFIG_THINKPAD_ACPI_DOCK
IBM_HANDLE(dock, root, "\\_SB.GDCK", /* X30, X31, X40 */
"\\_SB.PCI.ISA.SLCE", /* 570 */
); /* A21e,G4x,R30,R31,R32,R40,R40e,R50e */
+/* don't list other alternatives as we install a notify handler on the 570 */
+IBM_HANDLE(pci, root, "\\_SB.PCI"); /* 570 */
+
+static struct tp_acpi_drv_struct ibm_dock_acpidriver[2] = {
+ {
+ .notify = dock_notify,
+ .handle = &dock_handle,
+ .type = ACPI_SYSTEM_NOTIFY,
+ },
+ {
+ .hid = IBM_PCI_HID,
+ .notify = dock_notify,
+ .handle = &pci_handle,
+ .type = ACPI_SYSTEM_NOTIFY,
+ },
+};
+
+static struct ibm_struct dock_driver_data[2] = {
+ {
+ .name = "dock",
+ .read = dock_read,
+ .write = dock_write,
+ .acpi = &ibm_dock_acpidriver[0],
+ },
+ {
+ .name = "dock",
+ .acpi = &ibm_dock_acpidriver[1],
+ },
+};
+
#define dock_docked() (_sta(dock_handle) & 1)
+static int __init dock_init(struct ibm_init_struct *iibm)
+{
+ vdbg_printk(TPACPI_DBG_INIT, "initializing dock subdriver\n");
+
+ IBM_ACPIHANDLE_INIT(dock);
+
+ vdbg_printk(TPACPI_DBG_INIT, "dock is %s\n",
+ str_supported(dock_handle != NULL));
+
+ return (dock_handle)? 0 : 1;
+}
+
+static int __init dock_init2(struct ibm_init_struct *iibm)
+{
+ int dock2_needed;
+
+ vdbg_printk(TPACPI_DBG_INIT, "initializing dock subdriver part 2\n");
+
+ if (dock_driver_data[0].flags.acpi_driver_registered &&
+ dock_driver_data[0].flags.acpi_notify_installed) {
+ IBM_ACPIHANDLE_INIT(pci);
+ dock2_needed = (pci_handle != NULL);
+ vdbg_printk(TPACPI_DBG_INIT,
+ "dock PCI handler for the TP 570 is %s\n",
+ str_supported(dock2_needed));
+ } else {
+ vdbg_printk(TPACPI_DBG_INIT,
+ "dock subdriver part 2 not required\n");
+ dock2_needed = 0;
+ }
+
+ return (dock2_needed)? 0 : 1;
+}
+
static void dock_notify(struct ibm_struct *ibm, u32 event)
{
int docked = dock_docked();
- int pci = ibm->hid && strstr(ibm->hid, IBM_PCI_HID);
+ int pci = ibm->acpi->hid && strstr(ibm->acpi->hid, IBM_PCI_HID);
if (event == 1 && !pci) /* 570 */
- acpi_bus_generate_event(ibm->device, event, 1); /* button */
+ acpi_bus_generate_event(ibm->acpi->device, event, 1); /* button */
else if (event == 1 && pci) /* 570 */
- acpi_bus_generate_event(ibm->device, event, 3); /* dock */
+ acpi_bus_generate_event(ibm->acpi->device, event, 3); /* dock */
else if (event == 3 && docked)
- acpi_bus_generate_event(ibm->device, event, 1); /* button */
+ acpi_bus_generate_event(ibm->acpi->device, event, 1); /* button */
else if (event == 3 && !docked)
- acpi_bus_generate_event(ibm->device, event, 2); /* undock */
+ acpi_bus_generate_event(ibm->acpi->device, event, 2); /* undock */
else if (event == 0 && docked)
- acpi_bus_generate_event(ibm->device, event, 3); /* dock */
+ acpi_bus_generate_event(ibm->acpi->device, event, 3); /* dock */
else {
printk(IBM_ERR "unknown dock event %d, status %d\n",
event, _sta(dock_handle));
- acpi_bus_generate_event(ibm->device, event, 0); /* unknown */
+ acpi_bus_generate_event(ibm->acpi->device, event, 0); /* unknown */
}
}
*/
#ifdef CONFIG_THINKPAD_ACPI_BAY
-static int bay_status_supported;
-static int bay_status2_supported;
-static int bay_eject_supported;
-static int bay_eject2_supported;
-
IBM_HANDLE(bay, root, "\\_SB.PCI.IDE.SECN.MAST", /* 570 */
"\\_SB.PCI0.IDE0.IDES.IDSM", /* 600e/x, 770e, 770x */
"\\_SB.PCI0.SATA.SCND.MSTR", /* T60, X60, Z60 */
"_EJ0", /* 770x */
); /* all others */
-static int bay_init(void)
+static int __init bay_init(struct ibm_init_struct *iibm)
{
- bay_status_supported = bay_handle &&
- acpi_evalf(bay_handle, NULL, "_STA", "qv");
- bay_status2_supported = bay2_handle &&
- acpi_evalf(bay2_handle, NULL, "_STA", "qv");
+ vdbg_printk(TPACPI_DBG_INIT, "initializing bay subdriver\n");
- bay_eject_supported = bay_handle && bay_ej_handle &&
- (strlencmp(bay_ej_path, "_EJ0") == 0 || experimental);
- bay_eject2_supported = bay2_handle && bay2_ej_handle &&
- (strlencmp(bay2_ej_path, "_EJ0") == 0 || experimental);
-
- return 0;
+ IBM_ACPIHANDLE_INIT(bay);
+ if (bay_handle)
+ IBM_ACPIHANDLE_INIT(bay_ej);
+ IBM_ACPIHANDLE_INIT(bay2);
+ if (bay2_handle)
+ IBM_ACPIHANDLE_INIT(bay2_ej);
+
+ tp_features.bay_status = bay_handle &&
+ acpi_evalf(bay_handle, NULL, "_STA", "qv");
+ tp_features.bay_status2 = bay2_handle &&
+ acpi_evalf(bay2_handle, NULL, "_STA", "qv");
+
+ tp_features.bay_eject = bay_handle && bay_ej_handle &&
+ (strlencmp(bay_ej_path, "_EJ0") == 0 || experimental);
+ tp_features.bay_eject2 = bay2_handle && bay2_ej_handle &&
+ (strlencmp(bay2_ej_path, "_EJ0") == 0 || experimental);
+
+ vdbg_printk(TPACPI_DBG_INIT,
+ "bay 1: status %s, eject %s; bay 2: status %s, eject %s\n",
+ str_supported(tp_features.bay_status),
+ str_supported(tp_features.bay_eject),
+ str_supported(tp_features.bay_status2),
+ str_supported(tp_features.bay_eject2));
+
+ return (tp_features.bay_status || tp_features.bay_eject ||
+ tp_features.bay_status2 || tp_features.bay_eject2)? 0 : 1;
}
static void bay_notify(struct ibm_struct *ibm, u32 event)
{
- acpi_bus_generate_event(ibm->device, event, 0);
+ acpi_bus_generate_event(ibm->acpi->device, event, 0);
}
#define bay_occupied(b) (_sta(b##_handle) & 1)
int occupied2 = bay_occupied(bay2);
int eject, eject2;
- len += sprintf(p + len, "status:\t\t%s\n", bay_status_supported ?
- (occupied ? "occupied" : "unoccupied") :
- "not supported");
- if (bay_status2_supported)
+ len += sprintf(p + len, "status:\t\t%s\n",
+ tp_features.bay_status ?
+ (occupied ? "occupied" : "unoccupied") :
+ "not supported");
+ if (tp_features.bay_status2)
len += sprintf(p + len, "status2:\t%s\n", occupied2 ?
"occupied" : "unoccupied");
- eject = bay_eject_supported && occupied;
- eject2 = bay_eject2_supported && occupied2;
+ eject = tp_features.bay_eject && occupied;
+ eject2 = tp_features.bay_eject2 && occupied2;
if (eject && eject2)
len += sprintf(p + len, "commands:\teject, eject2\n");
{
char *cmd;
- if (!bay_eject_supported && !bay_eject2_supported)
+ if (!tp_features.bay_eject && !tp_features.bay_eject2)
return -ENODEV;
while ((cmd = next_cmd(&buf))) {
- if (bay_eject_supported && strlencmp(cmd, "eject") == 0) {
+ if (tp_features.bay_eject && strlencmp(cmd, "eject") == 0) {
if (!acpi_evalf(bay_ej_handle, NULL, NULL, "vd", 1))
return -EIO;
- } else if (bay_eject2_supported &&
+ } else if (tp_features.bay_eject2 &&
strlencmp(cmd, "eject2") == 0) {
if (!acpi_evalf(bay2_ej_handle, NULL, NULL, "vd", 1))
return -EIO;
return 0;
}
+
+static struct tp_acpi_drv_struct ibm_bay_acpidriver = {
+ .notify = bay_notify,
+ .handle = &bay_handle,
+ .type = ACPI_SYSTEM_NOTIFY,
+};
+
+static struct ibm_struct bay_driver_data = {
+ .name = "bay",
+ .read = bay_read,
+ .write = bay_write,
+ .acpi = &ibm_bay_acpidriver,
+};
+
#endif /* CONFIG_THINKPAD_ACPI_BAY */
/*************************************************************************
* CMOS subdriver
*/
-static int cmos_eval(int cmos_cmd)
+/* sysfs cmos_command -------------------------------------------------- */
+static ssize_t cmos_command_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
- if (cmos_handle)
- return acpi_evalf(cmos_handle, NULL, NULL, "vd", cmos_cmd);
- else
- return 1;
+ unsigned long cmos_cmd;
+ int res;
+
+ if (parse_strtoul(buf, 21, &cmos_cmd))
+ return -EINVAL;
+
+ res = issue_thinkpad_cmos_command(cmos_cmd);
+ return (res)? res : count;
+}
+
+static struct device_attribute dev_attr_cmos_command =
+ __ATTR(cmos_command, S_IWUSR, NULL, cmos_command_store);
+
+/* --------------------------------------------------------------------- */
+
+static int __init cmos_init(struct ibm_init_struct *iibm)
+{
+ int res;
+
+ vdbg_printk(TPACPI_DBG_INIT,
+ "initializing cmos commands subdriver\n");
+
+ IBM_ACPIHANDLE_INIT(cmos);
+
+ vdbg_printk(TPACPI_DBG_INIT, "cmos commands are %s\n",
+ str_supported(cmos_handle != NULL));
+
+ res = device_create_file(&tpacpi_pdev->dev, &dev_attr_cmos_command);
+ if (res)
+ return res;
+
+ return (cmos_handle)? 0 : 1;
+}
+
+static void cmos_exit(void)
+{
+ device_remove_file(&tpacpi_pdev->dev, &dev_attr_cmos_command);
}
static int cmos_read(char *p)
static int cmos_write(char *buf)
{
char *cmd;
- int cmos_cmd;
-
- if (!cmos_handle)
- return -EINVAL;
+ int cmos_cmd, res;
while ((cmd = next_cmd(&buf))) {
if (sscanf(cmd, "%u", &cmos_cmd) == 1 &&
} else
return -EINVAL;
- if (!cmos_eval(cmos_cmd))
- return -EIO;
+ res = issue_thinkpad_cmos_command(cmos_cmd);
+ if (res)
+ return res;
}
return 0;
}
+static struct ibm_struct cmos_driver_data = {
+ .name = "cmos",
+ .read = cmos_read,
+ .write = cmos_write,
+ .exit = cmos_exit,
+};
/*************************************************************************
* LED subdriver
"LED", /* all others */
); /* R30, R31 */
-static int led_init(void)
+static int __init led_init(struct ibm_init_struct *iibm)
{
+ vdbg_printk(TPACPI_DBG_INIT, "initializing LED subdriver\n");
+
+ IBM_ACPIHANDLE_INIT(led);
+
if (!led_handle)
/* led not supported on R30, R31 */
- led_supported = IBMACPI_LED_NONE;
+ led_supported = TPACPI_LED_NONE;
else if (strlencmp(led_path, "SLED") == 0)
/* 570 */
- led_supported = IBMACPI_LED_570;
+ led_supported = TPACPI_LED_570;
else if (strlencmp(led_path, "SYSL") == 0)
/* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */
- led_supported = IBMACPI_LED_OLD;
+ led_supported = TPACPI_LED_OLD;
else
/* all others */
- led_supported = IBMACPI_LED_NEW;
+ led_supported = TPACPI_LED_NEW;
- return 0;
+ vdbg_printk(TPACPI_DBG_INIT, "LED commands are %s, mode %d\n",
+ str_supported(led_supported), led_supported);
+
+ return (led_supported != TPACPI_LED_NONE)? 0 : 1;
}
#define led_status(s) ((s) == 0 ? "off" : ((s) == 1 ? "on" : "blinking"))
}
len += sprintf(p + len, "status:\t\tsupported\n");
- if (led_supported == IBMACPI_LED_570) {
+ if (led_supported == TPACPI_LED_570) {
/* 570 */
int i, status;
for (i = 0; i < 8; i++) {
} else
return -EINVAL;
- if (led_supported == IBMACPI_LED_570) {
+ if (led_supported == TPACPI_LED_570) {
/* 570 */
led = 1 << led;
if (!acpi_evalf(led_handle, NULL, NULL, "vdd",
led, led_sled_arg1[ind]))
return -EIO;
- } else if (led_supported == IBMACPI_LED_OLD) {
+ } else if (led_supported == TPACPI_LED_OLD) {
/* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20 */
led = 1 << led;
- ret = ec_write(IBMACPI_LED_EC_HLMS, led);
+ ret = ec_write(TPACPI_LED_EC_HLMS, led);
if (ret >= 0)
ret =
- ec_write(IBMACPI_LED_EC_HLBL,
+ ec_write(TPACPI_LED_EC_HLBL,
led * led_exp_hlbl[ind]);
if (ret >= 0)
ret =
- ec_write(IBMACPI_LED_EC_HLCL,
+ ec_write(TPACPI_LED_EC_HLCL,
led * led_exp_hlcl[ind]);
if (ret < 0)
return ret;
return 0;
}
+static struct ibm_struct led_driver_data = {
+ .name = "led",
+ .read = led_read,
+ .write = led_write,
+};
+
/*************************************************************************
* Beep subdriver
*/
IBM_HANDLE(beep, ec, "BEEP"); /* all except R30, R31 */
+static int __init beep_init(struct ibm_init_struct *iibm)
+{
+ vdbg_printk(TPACPI_DBG_INIT, "initializing beep subdriver\n");
+
+ IBM_ACPIHANDLE_INIT(beep);
+
+ vdbg_printk(TPACPI_DBG_INIT, "beep is %s\n",
+ str_supported(beep_handle != NULL));
+
+ return (beep_handle)? 0 : 1;
+}
+
static int beep_read(char *p)
{
int len = 0;
return 0;
}
+static struct ibm_struct beep_driver_data = {
+ .name = "beep",
+ .read = beep_read,
+ .write = beep_write,
+};
+
/*************************************************************************
* Thermal subdriver
*/
static enum thermal_access_mode thermal_read_mode;
-static int thermal_init(void)
+/* sysfs temp##_input -------------------------------------------------- */
+
+static ssize_t thermal_temp_input_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct sensor_device_attribute *sensor_attr =
+ to_sensor_dev_attr(attr);
+ int idx = sensor_attr->index;
+ s32 value;
+ int res;
+
+ res = thermal_get_sensor(idx, &value);
+ if (res)
+ return res;
+ if (value == TP_EC_THERMAL_TMP_NA * 1000)
+ return -ENXIO;
+
+ return snprintf(buf, PAGE_SIZE, "%d\n", value);
+}
+
+#define THERMAL_SENSOR_ATTR_TEMP(_idxA, _idxB) \
+ SENSOR_ATTR(temp##_idxA##_input, S_IRUGO, thermal_temp_input_show, NULL, _idxB)
+
+static struct sensor_device_attribute sensor_dev_attr_thermal_temp_input[] = {
+ THERMAL_SENSOR_ATTR_TEMP(1, 0),
+ THERMAL_SENSOR_ATTR_TEMP(2, 1),
+ THERMAL_SENSOR_ATTR_TEMP(3, 2),
+ THERMAL_SENSOR_ATTR_TEMP(4, 3),
+ THERMAL_SENSOR_ATTR_TEMP(5, 4),
+ THERMAL_SENSOR_ATTR_TEMP(6, 5),
+ THERMAL_SENSOR_ATTR_TEMP(7, 6),
+ THERMAL_SENSOR_ATTR_TEMP(8, 7),
+ THERMAL_SENSOR_ATTR_TEMP(9, 8),
+ THERMAL_SENSOR_ATTR_TEMP(10, 9),
+ THERMAL_SENSOR_ATTR_TEMP(11, 10),
+ THERMAL_SENSOR_ATTR_TEMP(12, 11),
+ THERMAL_SENSOR_ATTR_TEMP(13, 12),
+ THERMAL_SENSOR_ATTR_TEMP(14, 13),
+ THERMAL_SENSOR_ATTR_TEMP(15, 14),
+ THERMAL_SENSOR_ATTR_TEMP(16, 15),
+};
+
+#define THERMAL_ATTRS(X) \
+ &sensor_dev_attr_thermal_temp_input[X].dev_attr.attr
+
+static struct attribute *thermal_temp_input_attr[] = {
+ THERMAL_ATTRS(8),
+ THERMAL_ATTRS(9),
+ THERMAL_ATTRS(10),
+ THERMAL_ATTRS(11),
+ THERMAL_ATTRS(12),
+ THERMAL_ATTRS(13),
+ THERMAL_ATTRS(14),
+ THERMAL_ATTRS(15),
+ THERMAL_ATTRS(0),
+ THERMAL_ATTRS(1),
+ THERMAL_ATTRS(2),
+ THERMAL_ATTRS(3),
+ THERMAL_ATTRS(4),
+ THERMAL_ATTRS(5),
+ THERMAL_ATTRS(6),
+ THERMAL_ATTRS(7),
+ NULL
+};
+
+static const struct attribute_group thermal_temp_input16_group = {
+ .attrs = thermal_temp_input_attr
+};
+
+static const struct attribute_group thermal_temp_input8_group = {
+ .attrs = &thermal_temp_input_attr[8]
+};
+
+#undef THERMAL_SENSOR_ATTR_TEMP
+#undef THERMAL_ATTRS
+
+/* --------------------------------------------------------------------- */
+
+static int __init thermal_init(struct ibm_init_struct *iibm)
{
u8 t, ta1, ta2;
int i;
- int acpi_tmp7 = acpi_evalf(ec_handle, NULL, "TMP7", "qv");
+ int acpi_tmp7;
+ int res;
+
+ vdbg_printk(TPACPI_DBG_INIT, "initializing thermal subdriver\n");
+
+ acpi_tmp7 = acpi_evalf(ec_handle, NULL, "TMP7", "qv");
if (ibm_thinkpad_ec_found && experimental) {
/*
ta1 = ta2 = 0;
for (i = 0; i < 8; i++) {
- if (likely(acpi_ec_read(0x78 + i, &t))) {
+ if (acpi_ec_read(TP_EC_THERMAL_TMP0 + i, &t)) {
ta1 |= t;
} else {
ta1 = 0;
break;
}
- if (likely(acpi_ec_read(0xC0 + i, &t))) {
+ if (acpi_ec_read(TP_EC_THERMAL_TMP8 + i, &t)) {
ta2 |= t;
} else {
ta1 = 0;
printk(IBM_ERR
"ThinkPad ACPI EC access misbehaving, "
"falling back to ACPI TMPx access mode\n");
- thermal_read_mode = IBMACPI_THERMAL_ACPI_TMP07;
+ thermal_read_mode = TPACPI_THERMAL_ACPI_TMP07;
} else {
printk(IBM_ERR
"ThinkPad ACPI EC access misbehaving, "
"disabling thermal sensors access\n");
- thermal_read_mode = IBMACPI_THERMAL_NONE;
+ thermal_read_mode = TPACPI_THERMAL_NONE;
}
} else {
thermal_read_mode =
(ta2 != 0) ?
- IBMACPI_THERMAL_TPEC_16 : IBMACPI_THERMAL_TPEC_8;
+ TPACPI_THERMAL_TPEC_16 : TPACPI_THERMAL_TPEC_8;
}
} else if (acpi_tmp7) {
if (acpi_evalf(ec_handle, NULL, "UPDT", "qv")) {
/* 600e/x, 770e, 770x */
- thermal_read_mode = IBMACPI_THERMAL_ACPI_UPDT;
+ thermal_read_mode = TPACPI_THERMAL_ACPI_UPDT;
} else {
/* Standard ACPI TMPx access, max 8 sensors */
- thermal_read_mode = IBMACPI_THERMAL_ACPI_TMP07;
+ thermal_read_mode = TPACPI_THERMAL_ACPI_TMP07;
}
} else {
/* temperatures not supported on 570, G4x, R30, R31, R32 */
- thermal_read_mode = IBMACPI_THERMAL_NONE;
+ thermal_read_mode = TPACPI_THERMAL_NONE;
+ }
+
+ vdbg_printk(TPACPI_DBG_INIT, "thermal is %s, mode %d\n",
+ str_supported(thermal_read_mode != TPACPI_THERMAL_NONE),
+ thermal_read_mode);
+
+ switch(thermal_read_mode) {
+ case TPACPI_THERMAL_TPEC_16:
+ res = sysfs_create_group(&tpacpi_pdev->dev.kobj,
+ &thermal_temp_input16_group);
+ if (res)
+ return res;
+ break;
+ case TPACPI_THERMAL_TPEC_8:
+ case TPACPI_THERMAL_ACPI_TMP07:
+ case TPACPI_THERMAL_ACPI_UPDT:
+ res = sysfs_create_group(&tpacpi_pdev->dev.kobj,
+ &thermal_temp_input8_group);
+ if (res)
+ return res;
+ break;
+ case TPACPI_THERMAL_NONE:
+ default:
+ return 1;
}
return 0;
}
-static int thermal_get_sensors(struct ibm_thermal_sensors_struct *s)
+static void thermal_exit(void)
+{
+ switch(thermal_read_mode) {
+ case TPACPI_THERMAL_TPEC_16:
+ sysfs_remove_group(&tpacpi_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,
+ &thermal_temp_input16_group);
+ break;
+ case TPACPI_THERMAL_NONE:
+ default:
+ break;
+ }
+}
+
+/* idx is zero-based */
+static int thermal_get_sensor(int idx, s32 *value)
{
- int i, t;
+ int t;
s8 tmp;
- char tmpi[] = "TMPi";
+ char tmpi[5];
- if (!s)
- return -EINVAL;
+ t = TP_EC_THERMAL_TMP0;
switch (thermal_read_mode) {
-#if IBMACPI_MAX_THERMAL_SENSORS >= 16
- case IBMACPI_THERMAL_TPEC_16:
- for (i = 0; i < 8; i++) {
- if (!acpi_ec_read(0xC0 + i, &tmp))
- return -EIO;
- s->temp[i + 8] = tmp * 1000;
+#if TPACPI_MAX_THERMAL_SENSORS >= 16
+ case TPACPI_THERMAL_TPEC_16:
+ if (idx >= 8 && idx <= 15) {
+ t = TP_EC_THERMAL_TMP8;
+ idx -= 8;
}
/* fallthrough */
#endif
- case IBMACPI_THERMAL_TPEC_8:
- for (i = 0; i < 8; i++) {
- if (!acpi_ec_read(0x78 + i, &tmp))
+ case TPACPI_THERMAL_TPEC_8:
+ if (idx <= 7) {
+ if (!acpi_ec_read(t + idx, &tmp))
return -EIO;
- s->temp[i] = tmp * 1000;
+ *value = tmp * 1000;
+ return 0;
}
- return (thermal_read_mode == IBMACPI_THERMAL_TPEC_16) ? 16 : 8;
+ break;
- case IBMACPI_THERMAL_ACPI_UPDT:
- if (!acpi_evalf(ec_handle, NULL, "UPDT", "v"))
- return -EIO;
- for (i = 0; i < 8; i++) {
- tmpi[3] = '0' + i;
+ case TPACPI_THERMAL_ACPI_UPDT:
+ if (idx <= 7) {
+ snprintf(tmpi, sizeof(tmpi), "TMP%c", '0' + idx);
+ if (!acpi_evalf(ec_handle, NULL, "UPDT", "v"))
+ return -EIO;
if (!acpi_evalf(ec_handle, &t, tmpi, "d"))
return -EIO;
- s->temp[i] = (t - 2732) * 100;
+ *value = (t - 2732) * 100;
+ return 0;
}
- return 8;
+ break;
- case IBMACPI_THERMAL_ACPI_TMP07:
- for (i = 0; i < 8; i++) {
- tmpi[3] = '0' + i;
+ case TPACPI_THERMAL_ACPI_TMP07:
+ if (idx <= 7) {
+ snprintf(tmpi, sizeof(tmpi), "TMP%c", '0' + idx);
if (!acpi_evalf(ec_handle, &t, tmpi, "d"))
return -EIO;
- s->temp[i] = t * 1000;
+ *value = t * 1000;
+ return 0;
}
- return 8;
+ break;
- case IBMACPI_THERMAL_NONE:
+ case TPACPI_THERMAL_NONE:
default:
- return 0;
+ return -ENOSYS;
+ }
+
+ return -EINVAL;
+}
+
+static int thermal_get_sensors(struct ibm_thermal_sensors_struct *s)
+{
+ int res, i;
+ int n;
+
+ n = 8;
+ i = 0;
+
+ if (!s)
+ return -EINVAL;
+
+ if (thermal_read_mode == TPACPI_THERMAL_TPEC_16)
+ n = 16;
+
+ for(i = 0 ; i < n; i++) {
+ res = thermal_get_sensor(i, &s->temp[i]);
+ if (res)
+ return res;
}
+
+ return n;
}
static int thermal_read(char *p)
return len;
}
+static struct ibm_struct thermal_driver_data = {
+ .name = "thermal",
+ .read = thermal_read,
+ .exit = thermal_exit,
+};
+
/*************************************************************************
* EC Dump subdriver
*/
return 0;
}
+static struct ibm_struct ecdump_driver_data = {
+ .name = "ecdump",
+ .read = ecdump_read,
+ .write = ecdump_write,
+ .flags.experimental = 1,
+};
+
/*************************************************************************
* Backlight/brightness subdriver
*/
.update_status = brightness_update_status,
};
-static int brightness_init(void)
+static int __init brightness_init(struct ibm_init_struct *iibm)
{
int b;
+ vdbg_printk(TPACPI_DBG_INIT, "initializing brightness subdriver\n");
+
b = brightness_get(NULL);
if (b < 0)
return b;
- ibm_backlight_device = backlight_device_register("ibm", NULL, NULL,
- &ibm_backlight_data);
+ ibm_backlight_device = backlight_device_register(
+ TPACPI_BACKLIGHT_DEV_NAME, NULL, NULL,
+ &ibm_backlight_data);
if (IS_ERR(ibm_backlight_device)) {
printk(IBM_ERR "Could not register backlight device\n");
return PTR_ERR(ibm_backlight_device);
}
+ vdbg_printk(TPACPI_DBG_INIT, "brightness is supported\n");
ibm_backlight_device->props.max_brightness = 7;
ibm_backlight_device->props.brightness = b;
static void brightness_exit(void)
{
if (ibm_backlight_device) {
+ vdbg_printk(TPACPI_DBG_EXIT,
+ "calling backlight_device_unregister()\n");
backlight_device_unregister(ibm_backlight_device);
ibm_backlight_device = NULL;
}
cmos_cmd = value > current_value ? TP_CMOS_BRIGHTNESS_UP : TP_CMOS_BRIGHTNESS_DOWN;
inc = value > current_value ? 1 : -1;
for (i = current_value; i != value; i += inc) {
- if (!cmos_eval(cmos_cmd))
+ if (issue_thinkpad_cmos_command(cmos_cmd))
return -EIO;
if (!acpi_ec_write(brightness_offset, i + inc))
return -EIO;
return 0;
}
+static struct ibm_struct brightness_driver_data = {
+ .name = "brightness",
+ .read = brightness_read,
+ .write = brightness_write,
+ .exit = brightness_exit,
+};
+
/*************************************************************************
* Volume subdriver
*/
cmos_cmd = new_level > level ? TP_CMOS_VOLUME_UP : TP_CMOS_VOLUME_DOWN;
inc = new_level > level ? 1 : -1;
- if (mute && (!cmos_eval(cmos_cmd) ||
+ if (mute && (issue_thinkpad_cmos_command(cmos_cmd) ||
!acpi_ec_write(volume_offset, level)))
return -EIO;
for (i = level; i != new_level; i += inc)
- if (!cmos_eval(cmos_cmd) ||
+ if (issue_thinkpad_cmos_command(cmos_cmd) ||
!acpi_ec_write(volume_offset, i + inc))
return -EIO;
- if (mute && (!cmos_eval(TP_CMOS_VOLUME_MUTE) ||
+ if (mute && (issue_thinkpad_cmos_command(TP_CMOS_VOLUME_MUTE) ||
!acpi_ec_write(volume_offset,
new_level + mute)))
return -EIO;
if (new_mute != mute) { /* level doesn't change */
cmos_cmd = new_mute ? TP_CMOS_VOLUME_MUTE : TP_CMOS_VOLUME_UP;
- if (!cmos_eval(cmos_cmd) ||
+ if (issue_thinkpad_cmos_command(cmos_cmd) ||
!acpi_ec_write(volume_offset, level + new_mute))
return -EIO;
}
return 0;
}
+static struct ibm_struct volume_driver_data = {
+ .name = "volume",
+ .read = volume_read,
+ .write = volume_write,
+};
/*************************************************************************
* Fan subdriver
/*
* FAN ACCESS MODES
*
- * IBMACPI_FAN_RD_ACPI_GFAN:
+ * TPACPI_FAN_RD_ACPI_GFAN:
* ACPI GFAN method: returns fan level
*
- * see IBMACPI_FAN_WR_ACPI_SFAN
- * EC 0x2f not available if GFAN exists
+ * see TPACPI_FAN_WR_ACPI_SFAN
+ * EC 0x2f (HFSP) not available if GFAN exists
*
- * IBMACPI_FAN_WR_ACPI_SFAN:
+ * TPACPI_FAN_WR_ACPI_SFAN:
* ACPI SFAN method: sets fan level, 0 (stop) to 7 (max)
*
- * EC 0x2f might be available *for reading*, but never for writing.
+ * EC 0x2f (HFSP) might be available *for reading*, but do not use
+ * it for writing.
*
- * IBMACPI_FAN_WR_TPEC:
- * ThinkPad EC register 0x2f (HFSP): fan control loop mode Supported
- * on almost all ThinkPads
+ * TPACPI_FAN_WR_TPEC:
+ * ThinkPad EC register 0x2f (HFSP): fan control loop mode
+ * Supported on almost all ThinkPads
*
* Fan speed changes of any sort (including those caused by the
* disengaged mode) are usually done slowly by the firmware as the
* 7 automatic mode engaged;
* (default operation mode of the ThinkPad)
* fan level is ignored in this mode.
- * 6 disengage mode (takes precedence over bit 7);
+ * 6 full speed mode (takes precedence over bit 7);
* not available on all thinkpads. May disable
- * the tachometer, and speeds up fan to 100% duty-cycle,
- * which speeds it up far above the standard RPM
- * levels. It is not impossible that it could cause
- * hardware damage.
+ * the tachometer while the fan controller ramps up
+ * the speed (which can take up to a few *minutes*).
+ * Speeds up fan to 100% duty-cycle, which is far above
+ * the standard RPM levels. It is not impossible that
+ * it could cause hardware damage.
* 5-3 unused in some models. Extra bits for fan level
* in others, but still useless as all values above
* 7 map to the same speed as level 7 in these models.
* 0x00 = stop
* 0x07 = max (set when temperatures critical)
* Some ThinkPads may have other levels, see
- * IBMACPI_FAN_WR_ACPI_FANS (X31/X40/X41)
+ * TPACPI_FAN_WR_ACPI_FANS (X31/X40/X41)
*
* FIRMWARE BUG: on some models, EC 0x2f might not be initialized at
* boot. Apparently the EC does not intialize it, so unless ACPI DSDT
* FIRMWARE BUG: always read 0x84 first, otherwise incorrect readings
* might result.
*
- * FIRMWARE BUG: when EC 0x2f bit 6 is set (disengaged mode), this
- * register is not invalidated in ThinkPads that disable tachometer
- * readings. Thus, the tachometer readings go stale.
+ * FIRMWARE BUG: may go stale while the EC is switching to full speed
+ * mode.
*
* For firmware bugs, refer to:
* http://thinkwiki.org/wiki/Embedded_Controller_Firmware#Firmware_Issues
*
- * IBMACPI_FAN_WR_ACPI_FANS:
+ * TPACPI_FAN_WR_ACPI_FANS:
* ThinkPad X31, X40, X41. Not available in the X60.
*
* FANS ACPI handle: takes three arguments: low speed, medium speed,
* ACPI DSDT switches which set is in use depending on various
* factors.
*
- * IBMACPI_FAN_WR_TPEC is also available and should be used to
+ * TPACPI_FAN_WR_TPEC is also available and should be used to
* command the fan. The X31/X40/X41 seems to have 8 fan levels,
* but the ACPI tables just mention level 7.
*/
-static enum fan_status_access_mode fan_status_access_mode;
-static enum fan_control_access_mode fan_control_access_mode;
-static enum fan_control_commands fan_control_commands;
+static enum fan_status_access_mode fan_status_access_mode;
+static enum fan_control_access_mode fan_control_access_mode;
+static enum fan_control_commands fan_control_commands;
+
+static u8 fan_control_initial_status;
+static u8 fan_control_desired_level;
+
+static void fan_watchdog_fire(struct work_struct *ignored);
+static int fan_watchdog_maxinterval;
+static DECLARE_DELAYED_WORK(fan_watchdog_task, fan_watchdog_fire);
+
+IBM_HANDLE(fans, ec, "FANS"); /* X31, X40, X41 */
+IBM_HANDLE(gfan, ec, "GFAN", /* 570 */
+ "\\FSPD", /* 600e/x, 770e, 770x */
+ ); /* all others */
+IBM_HANDLE(sfan, ec, "SFAN", /* 570 */
+ "JFNS", /* 770x-JL */
+ ); /* all others */
+
+/*
+ * SYSFS fan layout: hwmon compatible (device)
+ *
+ * pwm*_enable:
+ * 0: "disengaged" mode
+ * 1: manual mode
+ * 2: native EC "auto" mode (recommended, hardware default)
+ *
+ * pwm*: set speed in manual mode, ignored otherwise.
+ * 0 is level 0; 255 is level 7. Intermediate points done with linear
+ * interpolation.
+ *
+ * fan*_input: tachometer reading, RPM
+ *
+ *
+ * SYSFS fan layout: extensions
+ *
+ * fan_watchdog (driver):
+ * fan watchdog interval in seconds, 0 disables (default), max 120
+ */
+
+/* sysfs fan pwm1_enable ----------------------------------------------- */
+static ssize_t fan_pwm1_enable_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ int res, mode;
+ u8 status;
+
+ res = fan_get_status_safe(&status);
+ if (res)
+ return res;
+
+ if (unlikely(tp_features.fan_ctrl_status_undef)) {
+ if (status != fan_control_initial_status) {
+ tp_features.fan_ctrl_status_undef = 0;
+ } else {
+ /* Return most likely status. In fact, it
+ * might be the only possible status */
+ status = TP_EC_FAN_AUTO;
+ }
+ }
+
+ if (status & TP_EC_FAN_FULLSPEED) {
+ mode = 0;
+ } else if (status & TP_EC_FAN_AUTO) {
+ mode = 2;
+ } else
+ mode = 1;
+
+ return snprintf(buf, PAGE_SIZE, "%d\n", mode);
+}
+
+static ssize_t fan_pwm1_enable_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ unsigned long t;
+ int res, level;
+
+ if (parse_strtoul(buf, 2, &t))
+ return -EINVAL;
+
+ switch (t) {
+ case 0:
+ level = TP_EC_FAN_FULLSPEED;
+ break;
+ case 1:
+ level = TPACPI_FAN_LAST_LEVEL;
+ break;
+ case 2:
+ level = TP_EC_FAN_AUTO;
+ break;
+ case 3:
+ /* reserved for software-controlled auto mode */
+ return -ENOSYS;
+ default:
+ return -EINVAL;
+ }
+
+ res = fan_set_level_safe(level);
+ if (res == -ENXIO)
+ return -EINVAL;
+ else if (res < 0)
+ return res;
+
+ fan_watchdog_reset();
+
+ return count;
+}
+
+static struct device_attribute dev_attr_fan_pwm1_enable =
+ __ATTR(pwm1_enable, S_IWUSR | S_IRUGO,
+ fan_pwm1_enable_show, fan_pwm1_enable_store);
+
+/* sysfs fan pwm1 ------------------------------------------------------ */
+static ssize_t fan_pwm1_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ int res;
+ u8 status;
+
+ res = fan_get_status_safe(&status);
+ if (res)
+ return res;
+
+ if (unlikely(tp_features.fan_ctrl_status_undef)) {
+ if (status != fan_control_initial_status) {
+ tp_features.fan_ctrl_status_undef = 0;
+ } else {
+ status = TP_EC_FAN_AUTO;
+ }
+ }
+
+ if ((status &
+ (TP_EC_FAN_AUTO | TP_EC_FAN_FULLSPEED)) != 0)
+ status = fan_control_desired_level;
+
+ if (status > 7)
+ status = 7;
+
+ return snprintf(buf, PAGE_SIZE, "%u\n", (status * 255) / 7);
+}
+
+static ssize_t fan_pwm1_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ unsigned long s;
+ int rc;
+ u8 status, newlevel;
+
+ if (parse_strtoul(buf, 255, &s))
+ return -EINVAL;
+
+ /* scale down from 0-255 to 0-7 */
+ newlevel = (s >> 5) & 0x07;
+
+ rc = mutex_lock_interruptible(&fan_mutex);
+ if (rc < 0)
+ return rc;
+
+ rc = fan_get_status(&status);
+ if (!rc && (status &
+ (TP_EC_FAN_AUTO | TP_EC_FAN_FULLSPEED)) == 0) {
+ rc = fan_set_level(newlevel);
+ if (rc == -ENXIO)
+ rc = -EINVAL;
+ else if (!rc) {
+ fan_update_desired_level(newlevel);
+ fan_watchdog_reset();
+ }
+ }
+
+ mutex_unlock(&fan_mutex);
+ return (rc)? rc : count;
+}
+
+static struct device_attribute dev_attr_fan_pwm1 =
+ __ATTR(pwm1, S_IWUSR | S_IRUGO,
+ fan_pwm1_show, fan_pwm1_store);
+
+/* sysfs fan fan1_input ------------------------------------------------ */
+static ssize_t fan_fan1_input_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ int res;
+ unsigned int speed;
+
+ res = fan_get_speed(&speed);
+ if (res < 0)
+ return res;
+
+ return snprintf(buf, PAGE_SIZE, "%u\n", speed);
+}
+
+static struct device_attribute dev_attr_fan_fan1_input =
+ __ATTR(fan1_input, S_IRUGO,
+ fan_fan1_input_show, NULL);
-static int fan_control_status_known;
-static u8 fan_control_initial_status;
+/* sysfs fan fan_watchdog (driver) ------------------------------------- */
+static ssize_t fan_fan_watchdog_show(struct device_driver *drv,
+ char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%u\n", fan_watchdog_maxinterval);
+}
-static void fan_watchdog_fire(struct work_struct *ignored);
-static int fan_watchdog_maxinterval;
-static DECLARE_DELAYED_WORK(fan_watchdog_task, fan_watchdog_fire);
+static ssize_t fan_fan_watchdog_store(struct device_driver *drv,
+ const char *buf, size_t count)
+{
+ unsigned long t;
-IBM_HANDLE(fans, ec, "FANS"); /* X31, X40, X41 */
-IBM_HANDLE(gfan, ec, "GFAN", /* 570 */
- "\\FSPD", /* 600e/x, 770e, 770x */
- ); /* all others */
-IBM_HANDLE(sfan, ec, "SFAN", /* 570 */
- "JFNS", /* 770x-JL */
- ); /* all others */
+ if (parse_strtoul(buf, 120, &t))
+ return -EINVAL;
+
+ if (!fan_control_allowed)
+ return -EPERM;
+
+ fan_watchdog_maxinterval = t;
+ fan_watchdog_reset();
+
+ return count;
+}
+
+static DRIVER_ATTR(fan_watchdog, S_IWUSR | S_IRUGO,
+ fan_fan_watchdog_show, fan_fan_watchdog_store);
+
+/* --------------------------------------------------------------------- */
+static struct attribute *fan_attributes[] = {
+ &dev_attr_fan_pwm1_enable.attr, &dev_attr_fan_pwm1.attr,
+ &dev_attr_fan_fan1_input.attr,
+ NULL
+};
+
+static const struct attribute_group fan_attr_group = {
+ .attrs = fan_attributes,
+};
-static int fan_init(void)
+static int __init fan_init(struct ibm_init_struct *iibm)
{
- fan_status_access_mode = IBMACPI_FAN_NONE;
- fan_control_access_mode = IBMACPI_FAN_WR_NONE;
+ int rc;
+
+ vdbg_printk(TPACPI_DBG_INIT, "initializing fan subdriver\n");
+
+ mutex_init(&fan_mutex);
+ fan_status_access_mode = TPACPI_FAN_NONE;
+ fan_control_access_mode = TPACPI_FAN_WR_NONE;
fan_control_commands = 0;
- fan_control_status_known = 1;
fan_watchdog_maxinterval = 0;
+ tp_features.fan_ctrl_status_undef = 0;
+ fan_control_desired_level = 7;
+
+ IBM_ACPIHANDLE_INIT(fans);
+ IBM_ACPIHANDLE_INIT(gfan);
+ IBM_ACPIHANDLE_INIT(sfan);
if (gfan_handle) {
/* 570, 600e/x, 770e, 770x */
- fan_status_access_mode = IBMACPI_FAN_RD_ACPI_GFAN;
+ fan_status_access_mode = TPACPI_FAN_RD_ACPI_GFAN;
} else {
/* all other ThinkPads: note that even old-style
* ThinkPad ECs supports the fan control register */
if (likely(acpi_ec_read(fan_status_offset,
&fan_control_initial_status))) {
- fan_status_access_mode = IBMACPI_FAN_RD_TPEC;
+ fan_status_access_mode = TPACPI_FAN_RD_TPEC;
/* In some ThinkPads, neither the EC nor the ACPI
* DSDT initialize the fan status, and it ends up
"fan_init: initial fan status is "
"unknown, assuming it is in auto "
"mode\n");
- fan_control_status_known = 0;
+ tp_features.fan_ctrl_status_undef = 1;
}
} else {
printk(IBM_ERR
"ThinkPad ACPI EC access misbehaving, "
"fan status and control unavailable\n");
- return 0;
+ return 1;
}
}
if (sfan_handle) {
/* 570, 770x-JL */
- fan_control_access_mode = IBMACPI_FAN_WR_ACPI_SFAN;
+ fan_control_access_mode = TPACPI_FAN_WR_ACPI_SFAN;
fan_control_commands |=
- IBMACPI_FAN_CMD_LEVEL | IBMACPI_FAN_CMD_ENABLE;
+ TPACPI_FAN_CMD_LEVEL | TPACPI_FAN_CMD_ENABLE;
} else {
if (!gfan_handle) {
/* gfan without sfan means no fan control */
if (fans_handle) {
/* X31, X40, X41 */
fan_control_access_mode =
- IBMACPI_FAN_WR_ACPI_FANS;
+ TPACPI_FAN_WR_ACPI_FANS;
fan_control_commands |=
- IBMACPI_FAN_CMD_SPEED |
- IBMACPI_FAN_CMD_LEVEL |
- IBMACPI_FAN_CMD_ENABLE;
+ TPACPI_FAN_CMD_SPEED |
+ TPACPI_FAN_CMD_LEVEL |
+ TPACPI_FAN_CMD_ENABLE;
} else {
- fan_control_access_mode = IBMACPI_FAN_WR_TPEC;
+ fan_control_access_mode = TPACPI_FAN_WR_TPEC;
fan_control_commands |=
- IBMACPI_FAN_CMD_LEVEL |
- IBMACPI_FAN_CMD_ENABLE;
+ TPACPI_FAN_CMD_LEVEL |
+ TPACPI_FAN_CMD_ENABLE;
}
}
}
- return 0;
+ vdbg_printk(TPACPI_DBG_INIT, "fan is %s, modes %d, %d\n",
+ str_supported(fan_status_access_mode != TPACPI_FAN_NONE ||
+ fan_control_access_mode != TPACPI_FAN_WR_NONE),
+ fan_status_access_mode, fan_control_access_mode);
+
+ /* fan control master switch */
+ if (!fan_control_allowed) {
+ fan_control_access_mode = TPACPI_FAN_WR_NONE;
+ fan_control_commands = 0;
+ dbg_printk(TPACPI_DBG_INIT,
+ "fan control features disabled by parameter\n");
+ }
+
+ /* update fan_control_desired_level */
+ if (fan_status_access_mode != TPACPI_FAN_NONE)
+ fan_get_status_safe(NULL);
+
+ if (fan_status_access_mode != TPACPI_FAN_NONE ||
+ fan_control_access_mode != TPACPI_FAN_WR_NONE) {
+ rc = sysfs_create_group(&tpacpi_pdev->dev.kobj,
+ &fan_attr_group);
+ if (!(rc < 0))
+ rc = driver_create_file(&tpacpi_pdriver.driver,
+ &driver_attr_fan_watchdog);
+ if (rc < 0)
+ return rc;
+ return 0;
+ } else
+ return 1;
+}
+
+/*
+ * Call with fan_mutex held
+ */
+static void fan_update_desired_level(u8 status)
+{
+ if ((status &
+ (TP_EC_FAN_AUTO | TP_EC_FAN_FULLSPEED)) == 0) {
+ if (status > 7)
+ fan_control_desired_level = 7;
+ else
+ fan_control_desired_level = status;
+ }
}
static int fan_get_status(u8 *status)
u8 s;
/* TODO:
- * Add IBMACPI_FAN_RD_ACPI_FANS ? */
+ * Add TPACPI_FAN_RD_ACPI_FANS ? */
switch (fan_status_access_mode) {
- case IBMACPI_FAN_RD_ACPI_GFAN:
+ case TPACPI_FAN_RD_ACPI_GFAN:
/* 570, 600e/x, 770e, 770x */
if (unlikely(!acpi_evalf(gfan_handle, &s, NULL, "d")))
break;
- case IBMACPI_FAN_RD_TPEC:
+ case TPACPI_FAN_RD_TPEC:
/* all except 570, 600e/x, 770e, 770x */
if (unlikely(!acpi_ec_read(fan_status_offset, &s)))
return -EIO;
return 0;
}
+static int fan_get_status_safe(u8 *status)
+{
+ int rc;
+ u8 s;
+
+ rc = mutex_lock_interruptible(&fan_mutex);
+ if (rc < 0)
+ return rc;
+ rc = fan_get_status(&s);
+ if (!rc)
+ fan_update_desired_level(s);
+ mutex_unlock(&fan_mutex);
+
+ if (status)
+ *status = s;
+
+ return rc;
+}
+
static void fan_exit(void)
{
+ 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);
+
cancel_delayed_work(&fan_watchdog_task);
flush_scheduled_work();
}
u8 hi, lo;
switch (fan_status_access_mode) {
- case IBMACPI_FAN_RD_TPEC:
+ case TPACPI_FAN_RD_TPEC:
/* all except 570, 600e/x, 770e, 770x */
if (unlikely(!acpi_ec_read(fan_rpm_offset, &lo) ||
!acpi_ec_read(fan_rpm_offset + 1, &hi)))
static void fan_watchdog_fire(struct work_struct *ignored)
{
+ int rc;
+
printk(IBM_NOTICE "fan watchdog: enabling fan\n");
- if (fan_set_enable()) {
- printk(IBM_ERR "fan watchdog: error while enabling fan\n");
+ rc = fan_set_enable();
+ if (rc < 0) {
+ printk(IBM_ERR "fan watchdog: error %d while enabling fan, "
+ "will try again later...\n", -rc);
/* reschedule for later */
fan_watchdog_reset();
}
{
static int fan_watchdog_active = 0;
+ if (fan_control_access_mode == TPACPI_FAN_WR_NONE)
+ return;
+
if (fan_watchdog_active)
cancel_delayed_work(&fan_watchdog_task);
static int fan_set_level(int level)
{
+ if (!fan_control_allowed)
+ return -EPERM;
+
switch (fan_control_access_mode) {
- case IBMACPI_FAN_WR_ACPI_SFAN:
+ case TPACPI_FAN_WR_ACPI_SFAN:
if (level >= 0 && level <= 7) {
if (!acpi_evalf(sfan_handle, NULL, NULL, "vd", level))
return -EIO;
return -EINVAL;
break;
- case IBMACPI_FAN_WR_ACPI_FANS:
- case IBMACPI_FAN_WR_TPEC:
- if ((level != IBMACPI_FAN_EC_AUTO) &&
- (level != IBMACPI_FAN_EC_DISENGAGED) &&
+ case TPACPI_FAN_WR_ACPI_FANS:
+ case TPACPI_FAN_WR_TPEC:
+ if ((level != TP_EC_FAN_AUTO) &&
+ (level != TP_EC_FAN_FULLSPEED) &&
((level < 0) || (level > 7)))
return -EINVAL;
+ /* safety net should the EC not support AUTO
+ * or FULLSPEED mode bits and just ignore them */
+ if (level & TP_EC_FAN_FULLSPEED)
+ level |= 7; /* safety min speed 7 */
+ else if (level & TP_EC_FAN_FULLSPEED)
+ level |= 4; /* safety min speed 4 */
+
if (!acpi_ec_write(fan_status_offset, level))
return -EIO;
else
- fan_control_status_known = 1;
+ tp_features.fan_ctrl_status_undef = 0;
break;
default:
return 0;
}
+static int fan_set_level_safe(int level)
+{
+ int rc;
+
+ if (!fan_control_allowed)
+ return -EPERM;
+
+ rc = mutex_lock_interruptible(&fan_mutex);
+ if (rc < 0)
+ return rc;
+
+ if (level == TPACPI_FAN_LAST_LEVEL)
+ level = fan_control_desired_level;
+
+ rc = fan_set_level(level);
+ if (!rc)
+ fan_update_desired_level(level);
+
+ mutex_unlock(&fan_mutex);
+ return rc;
+}
+
static int fan_set_enable(void)
{
u8 s;
int rc;
+ if (!fan_control_allowed)
+ return -EPERM;
+
+ rc = mutex_lock_interruptible(&fan_mutex);
+ if (rc < 0)
+ return rc;
+
switch (fan_control_access_mode) {
- case IBMACPI_FAN_WR_ACPI_FANS:
- case IBMACPI_FAN_WR_TPEC:
- if ((rc = fan_get_status(&s)) < 0)
- return rc;
+ case TPACPI_FAN_WR_ACPI_FANS:
+ case TPACPI_FAN_WR_TPEC:
+ rc = fan_get_status(&s);
+ if (rc < 0)
+ break;
/* Don't go out of emergency fan mode */
- if (s != 7)
- s = IBMACPI_FAN_EC_AUTO;
+ if (s != 7) {
+ s &= 0x07;
+ s |= TP_EC_FAN_AUTO | 4; /* min fan speed 4 */
+ }
if (!acpi_ec_write(fan_status_offset, s))
- return -EIO;
- else
- fan_control_status_known = 1;
+ rc = -EIO;
+ else {
+ tp_features.fan_ctrl_status_undef = 0;
+ rc = 0;
+ }
break;
- case IBMACPI_FAN_WR_ACPI_SFAN:
- if ((rc = fan_get_status(&s)) < 0)
- return rc;
+ case TPACPI_FAN_WR_ACPI_SFAN:
+ rc = fan_get_status(&s);
+ if (rc < 0)
+ break;
s &= 0x07;
/* Set fan to at least level 4 */
- if (s < 4)
- s = 4;
+ s |= 4;
if (!acpi_evalf(sfan_handle, NULL, NULL, "vd", s))
- return -EIO;
+ rc= -EIO;
+ else
+ rc = 0;
break;
default:
- return -ENXIO;
+ rc = -ENXIO;
}
- return 0;
+
+ mutex_unlock(&fan_mutex);
+ return rc;
}
static int fan_set_disable(void)
{
+ int rc;
+
+ if (!fan_control_allowed)
+ return -EPERM;
+
+ rc = mutex_lock_interruptible(&fan_mutex);
+ if (rc < 0)
+ return rc;
+
+ rc = 0;
switch (fan_control_access_mode) {
- case IBMACPI_FAN_WR_ACPI_FANS:
- case IBMACPI_FAN_WR_TPEC:
+ case TPACPI_FAN_WR_ACPI_FANS:
+ case TPACPI_FAN_WR_TPEC:
if (!acpi_ec_write(fan_status_offset, 0x00))
- return -EIO;
- else
- fan_control_status_known = 1;
+ rc = -EIO;
+ else {
+ fan_control_desired_level = 0;
+ tp_features.fan_ctrl_status_undef = 0;
+ }
break;
- case IBMACPI_FAN_WR_ACPI_SFAN:
+ case TPACPI_FAN_WR_ACPI_SFAN:
if (!acpi_evalf(sfan_handle, NULL, NULL, "vd", 0x00))
- return -EIO;
+ rc = -EIO;
+ else
+ fan_control_desired_level = 0;
break;
default:
- return -ENXIO;
+ rc = -ENXIO;
}
- return 0;
+
+
+ mutex_unlock(&fan_mutex);
+ return rc;
}
static int fan_set_speed(int speed)
{
+ int rc;
+
+ if (!fan_control_allowed)
+ return -EPERM;
+
+ rc = mutex_lock_interruptible(&fan_mutex);
+ if (rc < 0)
+ return rc;
+
+ rc = 0;
switch (fan_control_access_mode) {
- case IBMACPI_FAN_WR_ACPI_FANS:
+ case TPACPI_FAN_WR_ACPI_FANS:
if (speed >= 0 && speed <= 65535) {
if (!acpi_evalf(fans_handle, NULL, NULL, "vddd",
speed, speed, speed))
- return -EIO;
+ rc = -EIO;
} else
- return -EINVAL;
+ rc = -EINVAL;
break;
default:
- return -ENXIO;
+ rc = -ENXIO;
}
- return 0;
+
+ mutex_unlock(&fan_mutex);
+ return rc;
}
static int fan_read(char *p)
unsigned int speed = 0;
switch (fan_status_access_mode) {
- case IBMACPI_FAN_RD_ACPI_GFAN:
+ case TPACPI_FAN_RD_ACPI_GFAN:
/* 570, 600e/x, 770e, 770x */
- if ((rc = fan_get_status(&status)) < 0)
+ if ((rc = fan_get_status_safe(&status)) < 0)
return rc;
len += sprintf(p + len, "status:\t\t%s\n"
(status != 0) ? "enabled" : "disabled", status);
break;
- case IBMACPI_FAN_RD_TPEC:
+ case TPACPI_FAN_RD_TPEC:
/* all except 570, 600e/x, 770e, 770x */
- if ((rc = fan_get_status(&status)) < 0)
+ if ((rc = fan_get_status_safe(&status)) < 0)
return rc;
- if (unlikely(!fan_control_status_known)) {
+ if (unlikely(tp_features.fan_ctrl_status_undef)) {
if (status != fan_control_initial_status)
- fan_control_status_known = 1;
+ tp_features.fan_ctrl_status_undef = 0;
else
/* Return most likely status. In fact, it
* might be the only possible status */
- status = IBMACPI_FAN_EC_AUTO;
+ status = TP_EC_FAN_AUTO;
}
len += sprintf(p + len, "status:\t\t%s\n",
(status != 0) ? "enabled" : "disabled");
- /* No ThinkPad boots on disengaged mode, we can safely
- * assume the tachometer is online if fan control status
- * was unknown */
if ((rc = fan_get_speed(&speed)) < 0)
return rc;
len += sprintf(p + len, "speed:\t\t%d\n", speed);
- if (status & IBMACPI_FAN_EC_DISENGAGED)
+ if (status & TP_EC_FAN_FULLSPEED)
/* Disengaged mode takes precedence */
len += sprintf(p + len, "level:\t\tdisengaged\n");
- else if (status & IBMACPI_FAN_EC_AUTO)
+ else if (status & TP_EC_FAN_AUTO)
len += sprintf(p + len, "level:\t\tauto\n");
else
len += sprintf(p + len, "level:\t\t%d\n", status);
break;
- case IBMACPI_FAN_NONE:
+ case TPACPI_FAN_NONE:
default:
len += sprintf(p + len, "status:\t\tnot supported\n");
}
- if (fan_control_commands & IBMACPI_FAN_CMD_LEVEL) {
+ if (fan_control_commands & TPACPI_FAN_CMD_LEVEL) {
len += sprintf(p + len, "commands:\tlevel <level>");
switch (fan_control_access_mode) {
- case IBMACPI_FAN_WR_ACPI_SFAN:
+ case TPACPI_FAN_WR_ACPI_SFAN:
len += sprintf(p + len, " (<level> is 0-7)\n");
break;
default:
len += sprintf(p + len, " (<level> is 0-7, "
- "auto, disengaged)\n");
+ "auto, disengaged, full-speed)\n");
break;
}
}
- if (fan_control_commands & IBMACPI_FAN_CMD_ENABLE)
+ if (fan_control_commands & TPACPI_FAN_CMD_ENABLE)
len += sprintf(p + len, "commands:\tenable, disable\n"
"commands:\twatchdog <timeout> (<timeout> is 0 (off), "
"1-120 (seconds))\n");
- if (fan_control_commands & IBMACPI_FAN_CMD_SPEED)
+ if (fan_control_commands & TPACPI_FAN_CMD_SPEED)
len += sprintf(p + len, "commands:\tspeed <speed>"
" (<speed> is 0-65535)\n");
int level;
if (strlencmp(cmd, "level auto") == 0)
- level = IBMACPI_FAN_EC_AUTO;
- else if (strlencmp(cmd, "level disengaged") == 0)
- level = IBMACPI_FAN_EC_DISENGAGED;
+ level = TP_EC_FAN_AUTO;
+ else if ((strlencmp(cmd, "level disengaged") == 0) |
+ (strlencmp(cmd, "level full-speed") == 0))
+ level = TP_EC_FAN_FULLSPEED;
else if (sscanf(cmd, "level %d", &level) != 1)
return 0;
- if ((*rc = fan_set_level(level)) == -ENXIO)
+ if ((*rc = fan_set_level_safe(level)) == -ENXIO)
printk(IBM_ERR "level command accepted for unsupported "
"access mode %d", fan_control_access_mode);
int rc = 0;
while (!rc && (cmd = next_cmd(&buf))) {
- if (!((fan_control_commands & IBMACPI_FAN_CMD_LEVEL) &&
+ if (!((fan_control_commands & TPACPI_FAN_CMD_LEVEL) &&
fan_write_cmd_level(cmd, &rc)) &&
- !((fan_control_commands & IBMACPI_FAN_CMD_ENABLE) &&
+ !((fan_control_commands & TPACPI_FAN_CMD_ENABLE) &&
(fan_write_cmd_enable(cmd, &rc) ||
fan_write_cmd_disable(cmd, &rc) ||
fan_write_cmd_watchdog(cmd, &rc))) &&
- !((fan_control_commands & IBMACPI_FAN_CMD_SPEED) &&
+ !((fan_control_commands & TPACPI_FAN_CMD_SPEED) &&
fan_write_cmd_speed(cmd, &rc))
)
rc = -EINVAL;
return rc;
}
+static struct ibm_struct fan_driver_data = {
+ .name = "fan",
+ .read = fan_read,
+ .write = fan_write,
+ .exit = fan_exit,
+};
+
/****************************************************************************
****************************************************************************
*
static struct proc_dir_entry *proc_dir = NULL;
/* Subdriver registry */
-static struct ibm_struct ibms[] = {
- {
- .name = "driver",
- .init = thinkpad_acpi_driver_init,
- .read = thinkpad_acpi_driver_read,
- },
- {
- .name = "hotkey",
- .hid = IBM_HKEY_HID,
- .init = hotkey_init,
- .read = hotkey_read,
- .write = hotkey_write,
- .exit = hotkey_exit,
- .notify = hotkey_notify,
- .handle = &hkey_handle,
- .type = ACPI_DEVICE_NOTIFY,
- },
- {
- .name = "bluetooth",
- .init = bluetooth_init,
- .read = bluetooth_read,
- .write = bluetooth_write,
- },
- {
- .name = "wan",
- .init = wan_init,
- .read = wan_read,
- .write = wan_write,
- .experimental = 1,
- },
- {
- .name = "video",
- .init = video_init,
- .read = video_read,
- .write = video_write,
- .exit = video_exit,
- },
- {
- .name = "light",
- .init = light_init,
- .read = light_read,
- .write = light_write,
- },
-#ifdef CONFIG_THINKPAD_ACPI_DOCK
- {
- .name = "dock",
- .read = dock_read,
- .write = dock_write,
- .notify = dock_notify,
- .handle = &dock_handle,
- .type = ACPI_SYSTEM_NOTIFY,
- },
- {
- .name = "dock",
- .hid = IBM_PCI_HID,
- .notify = dock_notify,
- .handle = &pci_handle,
- .type = ACPI_SYSTEM_NOTIFY,
- },
-#endif
-#ifdef CONFIG_THINKPAD_ACPI_BAY
- {
- .name = "bay",
- .init = bay_init,
- .read = bay_read,
- .write = bay_write,
- .notify = bay_notify,
- .handle = &bay_handle,
- .type = ACPI_SYSTEM_NOTIFY,
- },
-#endif /* CONFIG_THINKPAD_ACPI_BAY */
- {
- .name = "cmos",
- .read = cmos_read,
- .write = cmos_write,
- },
- {
- .name = "led",
- .init = led_init,
- .read = led_read,
- .write = led_write,
- },
- {
- .name = "beep",
- .read = beep_read,
- .write = beep_write,
- },
- {
- .name = "thermal",
- .init = thermal_init,
- .read = thermal_read,
- },
- {
- .name = "ecdump",
- .read = ecdump_read,
- .write = ecdump_write,
- .experimental = 1,
- },
- {
- .name = "brightness",
- .read = brightness_read,
- .write = brightness_write,
- .init = brightness_init,
- .exit = brightness_exit,
- },
- {
- .name = "volume",
- .read = volume_read,
- .write = volume_write,
- },
- {
- .name = "fan",
- .read = fan_read,
- .write = fan_write,
- .init = fan_init,
- .exit = fan_exit,
- .experimental = 1,
- },
-};
+static LIST_HEAD(tpacpi_all_drivers);
+
/*
* Module and infrastructure proble, init and exit handling
*/
-static int __init ibm_init(struct ibm_struct *ibm)
+#ifdef CONFIG_THINKPAD_ACPI_DEBUG
+static const char * __init str_supported(int is_supported)
+{
+ static char text_unsupported[] __initdata = "not supported";
+
+ return (is_supported)? &text_unsupported[4] : &text_unsupported[0];
+}
+#endif /* CONFIG_THINKPAD_ACPI_DEBUG */
+
+static int __init ibm_init(struct ibm_init_struct *iibm)
{
int ret;
+ struct ibm_struct *ibm = iibm->data;
struct proc_dir_entry *entry;
- if (ibm->experimental && !experimental)
+ BUG_ON(ibm == NULL);
+
+ INIT_LIST_HEAD(&ibm->all_drivers);
+
+ if (ibm->flags.experimental && !experimental)
return 0;
- if (ibm->hid) {
- ret = register_tpacpi_subdriver(ibm);
- if (ret < 0)
+ dbg_printk(TPACPI_DBG_INIT,
+ "probing for %s\n", ibm->name);
+
+ if (iibm->init) {
+ ret = iibm->init(iibm);
+ if (ret > 0)
+ return 0; /* probe failed */
+ if (ret)
return ret;
- ibm->driver_registered = 1;
+
+ ibm->flags.init_called = 1;
}
- if (ibm->init) {
- ret = ibm->init();
- if (ret != 0)
- return ret;
- ibm->init_called = 1;
+ if (ibm->acpi) {
+ if (ibm->acpi->hid) {
+ ret = register_tpacpi_subdriver(ibm);
+ if (ret)
+ goto err_out;
+ }
+
+ if (ibm->acpi->notify) {
+ ret = setup_acpi_notify(ibm);
+ if (ret == -ENODEV) {
+ printk(IBM_NOTICE "disabling subdriver %s\n",
+ ibm->name);
+ ret = 0;
+ goto err_out;
+ }
+ if (ret < 0)
+ goto err_out;
+ }
}
+ dbg_printk(TPACPI_DBG_INIT,
+ "%s installed\n", ibm->name);
+
if (ibm->read) {
entry = create_proc_entry(ibm->name,
S_IFREG | S_IRUGO | S_IWUSR,
if (!entry) {
printk(IBM_ERR "unable to create proc entry %s\n",
ibm->name);
- return -ENODEV;
+ ret = -ENODEV;
+ goto err_out;
}
entry->owner = THIS_MODULE;
entry->data = ibm;
- entry->read_proc = &dispatch_read;
+ entry->read_proc = &dispatch_procfs_read;
if (ibm->write)
- entry->write_proc = &dispatch_write;
- ibm->proc_created = 1;
+ entry->write_proc = &dispatch_procfs_write;
+ ibm->flags.proc_created = 1;
}
- if (ibm->notify) {
- ret = setup_notify(ibm);
- if (ret == -ENODEV) {
- printk(IBM_NOTICE "disabling subdriver %s\n",
- ibm->name);
- ibm_exit(ibm);
- return 0;
- }
- if (ret < 0)
- return ret;
- }
+ list_add_tail(&ibm->all_drivers, &tpacpi_all_drivers);
return 0;
+
+err_out:
+ dbg_printk(TPACPI_DBG_INIT,
+ "%s: at error exit path with result %d\n",
+ ibm->name, ret);
+
+ ibm_exit(ibm);
+ return (ret < 0)? ret : 0;
}
static void ibm_exit(struct ibm_struct *ibm)
{
- if (ibm->notify_installed)
- acpi_remove_notify_handler(*ibm->handle, ibm->type,
- dispatch_notify);
+ dbg_printk(TPACPI_DBG_EXIT, "removing %s\n", ibm->name);
+
+ list_del_init(&ibm->all_drivers);
+
+ if (ibm->flags.acpi_notify_installed) {
+ dbg_printk(TPACPI_DBG_EXIT,
+ "%s: acpi_remove_notify_handler\n", ibm->name);
+ BUG_ON(!ibm->acpi);
+ acpi_remove_notify_handler(*ibm->acpi->handle,
+ ibm->acpi->type,
+ dispatch_acpi_notify);
+ ibm->flags.acpi_notify_installed = 0;
+ ibm->flags.acpi_notify_installed = 0;
+ }
- if (ibm->proc_created)
+ if (ibm->flags.proc_created) {
+ dbg_printk(TPACPI_DBG_EXIT,
+ "%s: remove_proc_entry\n", ibm->name);
remove_proc_entry(ibm->name, proc_dir);
+ ibm->flags.proc_created = 0;
+ }
- if (ibm->init_called && ibm->exit)
- ibm->exit();
+ if (ibm->flags.acpi_driver_registered) {
+ dbg_printk(TPACPI_DBG_EXIT,
+ "%s: acpi_bus_unregister_driver\n", ibm->name);
+ BUG_ON(!ibm->acpi);
+ acpi_bus_unregister_driver(ibm->acpi->driver);
+ kfree(ibm->acpi->driver);
+ ibm->acpi->driver = NULL;
+ ibm->flags.acpi_driver_registered = 0;
+ }
- if (ibm->driver_registered) {
- acpi_bus_unregister_driver(ibm->driver);
- kfree(ibm->driver);
+ if (ibm->flags.init_called && ibm->exit) {
+ ibm->exit();
+ ibm->flags.init_called = 0;
}
+
+ dbg_printk(TPACPI_DBG_INIT, "finished removing %s\n", ibm->name);
}
/* Probing */
return NULL;
}
+static int __init probe_for_thinkpad(void)
+{
+ int is_thinkpad;
+
+ if (acpi_disabled)
+ return -ENODEV;
+
+ /*
+ * Non-ancient models have better DMI tagging, but very old models
+ * don't.
+ */
+ is_thinkpad = dmi_name_in_vendors("ThinkPad");
+
+ /* ec is required because many other handles are relative to it */
+ IBM_ACPIHANDLE_INIT(ec);
+ if (!ec_handle) {
+ if (is_thinkpad)
+ printk(IBM_ERR
+ "Not yet supported ThinkPad detected!\n");
+ return -ENODEV;
+ }
+
+ /*
+ * Risks a regression on very old machines, but reduces potential
+ * false positives a damn great deal
+ */
+ if (!is_thinkpad)
+ is_thinkpad = dmi_name_in_vendors("IBM");
+
+ if (!is_thinkpad && !force_load)
+ return -ENODEV;
+
+ return 0;
+}
+
+
/* Module init, exit, parameters */
+static struct ibm_init_struct ibms_init[] __initdata = {
+ {
+ .init = thinkpad_acpi_driver_init,
+ .data = &thinkpad_acpi_driver_data,
+ },
+ {
+ .init = hotkey_init,
+ .data = &hotkey_driver_data,
+ },
+ {
+ .init = bluetooth_init,
+ .data = &bluetooth_driver_data,
+ },
+ {
+ .init = wan_init,
+ .data = &wan_driver_data,
+ },
+ {
+ .init = video_init,
+ .data = &video_driver_data,
+ },
+ {
+ .init = light_init,
+ .data = &light_driver_data,
+ },
+#ifdef CONFIG_THINKPAD_ACPI_DOCK
+ {
+ .init = dock_init,
+ .data = &dock_driver_data[0],
+ },
+ {
+ .init = dock_init2,
+ .data = &dock_driver_data[1],
+ },
+#endif
+#ifdef CONFIG_THINKPAD_ACPI_BAY
+ {
+ .init = bay_init,
+ .data = &bay_driver_data,
+ },
+#endif
+ {
+ .init = cmos_init,
+ .data = &cmos_driver_data,
+ },
+ {
+ .init = led_init,
+ .data = &led_driver_data,
+ },
+ {
+ .init = beep_init,
+ .data = &beep_driver_data,
+ },
+ {
+ .init = thermal_init,
+ .data = &thermal_driver_data,
+ },
+ {
+ .data = &ecdump_driver_data,
+ },
+ {
+ .init = brightness_init,
+ .data = &brightness_driver_data,
+ },
+ {
+ .data = &volume_driver_data,
+ },
+ {
+ .init = fan_init,
+ .data = &fan_driver_data,
+ },
+};
+
static int __init set_ibm_param(const char *val, struct kernel_param *kp)
{
unsigned int i;
+ struct ibm_struct *ibm;
+
+ for (i = 0; i < ARRAY_SIZE(ibms_init); i++) {
+ ibm = ibms_init[i].data;
+ BUG_ON(ibm == NULL);
- for (i = 0; i < ARRAY_SIZE(ibms); i++)
- if (strcmp(ibms[i].name, kp->name) == 0 && ibms[i].write) {
- if (strlen(val) > sizeof(ibms[i].param) - 2)
+ if (strcmp(ibm->name, kp->name) == 0 && ibm->write) {
+ if (strlen(val) > sizeof(ibms_init[i].param) - 2)
return -ENOSPC;
- strcpy(ibms[i].param, val);
- strcat(ibms[i].param, ",");
+ strcpy(ibms_init[i].param, val);
+ strcat(ibms_init[i].param, ",");
return 0;
}
+ }
return -EINVAL;
}
static int experimental;
module_param(experimental, int, 0);
+static u32 dbg_level;
+module_param_named(debug, dbg_level, uint, 0);
+
+static int force_load;
+module_param(force_load, int, 0);
+
+static int fan_control_allowed;
+module_param_named(fan_control, fan_control_allowed, int, 0);
+
#define IBM_PARAM(feature) \
module_param_call(feature, set_ibm_param, NULL, NULL, 0)
IBM_PARAM(volume);
IBM_PARAM(fan);
-static int __init acpi_ibm_init(void)
+static int __init thinkpad_acpi_module_init(void)
{
int ret, i;
- if (acpi_disabled)
- return -ENODEV;
-
- /* ec is required because many other handles are relative to it */
- IBM_HANDLE_INIT(ec);
- if (!ec_handle) {
- printk(IBM_ERR "ec object not found\n");
- return -ENODEV;
- }
+ /* Driver-level probe */
+ ret = probe_for_thinkpad();
+ if (ret)
+ return ret;
- /* Models with newer firmware report the EC in DMI */
+ /* Driver initialization */
ibm_thinkpad_ec_found = check_dmi_for_ec();
+ IBM_ACPIHANDLE_INIT(ecrd);
+ IBM_ACPIHANDLE_INIT(ecwr);
- /* these handles are not required */
- IBM_HANDLE_INIT(vid);
- IBM_HANDLE_INIT(vid2);
- IBM_HANDLE_INIT(ledb);
- IBM_HANDLE_INIT(led);
- IBM_HANDLE_INIT(hkey);
- IBM_HANDLE_INIT(lght);
- IBM_HANDLE_INIT(cmos);
-#ifdef CONFIG_THINKPAD_ACPI_DOCK
- IBM_HANDLE_INIT(dock);
-#endif
- IBM_HANDLE_INIT(pci);
-#ifdef CONFIG_THINKPAD_ACPI_BAY
- IBM_HANDLE_INIT(bay);
- if (bay_handle)
- IBM_HANDLE_INIT(bay_ej);
- IBM_HANDLE_INIT(bay2);
- if (bay2_handle)
- IBM_HANDLE_INIT(bay2_ej);
-#endif /* CONFIG_THINKPAD_ACPI_BAY */
- IBM_HANDLE_INIT(beep);
- IBM_HANDLE_INIT(ecrd);
- IBM_HANDLE_INIT(ecwr);
- IBM_HANDLE_INIT(fans);
- IBM_HANDLE_INIT(gfan);
- IBM_HANDLE_INIT(sfan);
-
- proc_dir = proc_mkdir(IBM_DIR, acpi_root_dir);
+ proc_dir = proc_mkdir(IBM_PROC_DIR, acpi_root_dir);
if (!proc_dir) {
- printk(IBM_ERR "unable to create proc dir %s", IBM_DIR);
- acpi_ibm_exit();
+ printk(IBM_ERR "unable to create proc dir " IBM_PROC_DIR);
+ thinkpad_acpi_module_exit();
return -ENODEV;
}
proc_dir->owner = THIS_MODULE;
- for (i = 0; i < ARRAY_SIZE(ibms); i++) {
- ret = ibm_init(&ibms[i]);
- if (ret >= 0 && *ibms[i].param)
- ret = ibms[i].write(ibms[i].param);
+ ret = platform_driver_register(&tpacpi_pdriver);
+ if (ret) {
+ printk(IBM_ERR "unable to register platform driver\n");
+ thinkpad_acpi_module_exit();
+ return ret;
+ }
+ ret = tpacpi_create_driver_attributes(&tpacpi_pdriver.driver);
+ if (ret) {
+ printk(IBM_ERR "unable to create sysfs driver attributes\n");
+ thinkpad_acpi_module_exit();
+ return ret;
+ }
+
+
+ /* Device initialization */
+ tpacpi_pdev = platform_device_register_simple(IBM_DRVR_NAME, -1,
+ NULL, 0);
+ if (IS_ERR(tpacpi_pdev)) {
+ ret = PTR_ERR(tpacpi_pdev);
+ tpacpi_pdev = NULL;
+ printk(IBM_ERR "unable to register platform device\n");
+ thinkpad_acpi_module_exit();
+ return ret;
+ }
+ tpacpi_hwmon = hwmon_device_register(&tpacpi_pdev->dev);
+ if (IS_ERR(tpacpi_hwmon)) {
+ ret = PTR_ERR(tpacpi_hwmon);
+ tpacpi_hwmon = NULL;
+ printk(IBM_ERR "unable to register hwmon device\n");
+ thinkpad_acpi_module_exit();
+ return ret;
+ }
+ for (i = 0; i < ARRAY_SIZE(ibms_init); i++) {
+ ret = ibm_init(&ibms_init[i]);
+ if (ret >= 0 && *ibms_init[i].param)
+ ret = ibms_init[i].data->write(ibms_init[i].param);
if (ret < 0) {
- acpi_ibm_exit();
+ thinkpad_acpi_module_exit();
return ret;
}
}
return 0;
}
-static void acpi_ibm_exit(void)
+static void thinkpad_acpi_module_exit(void)
{
- int i;
+ struct ibm_struct *ibm, *itmp;
+
+ list_for_each_entry_safe_reverse(ibm, itmp,
+ &tpacpi_all_drivers,
+ all_drivers) {
+ ibm_exit(ibm);
+ }
- for (i = ARRAY_SIZE(ibms) - 1; i >= 0; i--)
- ibm_exit(&ibms[i]);
+ dbg_printk(TPACPI_DBG_INIT, "finished subdriver exit path...\n");
+
+ if (tpacpi_hwmon)
+ hwmon_device_unregister(tpacpi_hwmon);
+
+ if (tpacpi_pdev)
+ platform_device_unregister(tpacpi_pdev);
+
+ tpacpi_remove_driver_attributes(&tpacpi_pdriver.driver);
+ platform_driver_unregister(&tpacpi_pdriver);
if (proc_dir)
- remove_proc_entry(IBM_DIR, acpi_root_dir);
+ remove_proc_entry(IBM_PROC_DIR, acpi_root_dir);
- if (ibm_thinkpad_ec_found)
- kfree(ibm_thinkpad_ec_found);
+ kfree(ibm_thinkpad_ec_found);
}
-module_init(acpi_ibm_init);
-module_exit(acpi_ibm_exit);
+module_init(thinkpad_acpi_module_init);
+module_exit(thinkpad_acpi_module_exit);
git.openpandora.org / pandora-kernel.git / blobdiff