*/
#define IBM_VERSION "0.14"
-#define TPACPI_SYSFS_VERSION 0x000100
+#define TPACPI_SYSFS_VERSION 0x000200
/*
* Changelog:
/* Please remove this in year 2009 */
MODULE_ALIAS("ibm_acpi");
+/*
+ * DMI matching for module autoloading
+ *
+ * See http://thinkwiki.org/wiki/List_of_DMI_IDs
+ * See http://thinkwiki.org/wiki/BIOS_Upgrade_Downloads
+ *
+ * Only models listed in thinkwiki will be supported, so add yours
+ * if it is not there yet.
+ */
+#define IBM_BIOS_MODULE_ALIAS(__type) \
+ MODULE_ALIAS("dmi:bvnIBM:bvr" __type "ET??WW")
+
+/* Non-ancient thinkpads */
+MODULE_ALIAS("dmi:bvnIBM:*:svnIBM:*:pvrThinkPad*:rvnIBM:*");
+MODULE_ALIAS("dmi:bvnLENOVO:*:svnLENOVO:*:pvrThinkPad*:rvnLENOVO:*");
+
+/* Ancient thinkpad BIOSes have to be identified by
+ * BIOS type or model number, and there are far less
+ * BIOS types than model numbers... */
+IBM_BIOS_MODULE_ALIAS("I[B,D,H,I,M,N,O,T,W,V,Y,Z]");
+IBM_BIOS_MODULE_ALIAS("1[0,3,6,8,A-G,I,K,M-P,S,T]");
+IBM_BIOS_MODULE_ALIAS("K[U,X-Z]");
+
#define __unused __attribute__ ((unused))
/****************************************************************************
* ACPI basic handles
*/
-static acpi_handle root_handle = NULL;
+static acpi_handle root_handle;
#define IBM_HANDLE(object, parent, paths...) \
static acpi_handle object##_handle; \
/****************************************************************************
****************************************************************************
*
- * Device model: hwmon and platform
+ * Device model: input, hwmon and platform
*
****************************************************************************
****************************************************************************/
-static struct platform_device *tpacpi_pdev = NULL;
-static struct class_device *tpacpi_hwmon = NULL;
+static struct platform_device *tpacpi_pdev;
+static struct class_device *tpacpi_hwmon;
+static struct input_dev *tpacpi_inputdev;
static struct platform_driver tpacpi_pdriver = {
.driver = {
*/
static int hotkey_orig_status;
-static int hotkey_orig_mask;
+static u32 hotkey_orig_mask;
+static u32 hotkey_all_mask;
+static u32 hotkey_reserved_mask;
+
+static u16 hotkey_keycode_map[] = {
+ /* Scan Codes 0x00 to 0x0B: ACPI HKEY FN+F1..F12 */
+ KEY_FN_F1, KEY_FN_F2, KEY_FN_F3, KEY_SLEEP,
+ KEY_FN_F5, KEY_FN_F6, KEY_FN_F7, KEY_FN_F8,
+ KEY_FN_F9, KEY_FN_F10, KEY_FN_F11, KEY_SUSPEND,
+ /* Scan codes 0x0C to 0x0F: Other ACPI HKEY hot keys */
+ KEY_UNKNOWN, /* 0x0C: FN+BACKSPACE */
+ KEY_UNKNOWN, /* 0x0D: FN+INSERT */
+ KEY_UNKNOWN, /* 0x0E: FN+DELETE */
+ KEY_RESERVED, /* 0x0F: FN+HOME (brightness up) */
+ /* Scan codes 0x10 to 0x1F: Extended ACPI HKEY hot keys */
+ KEY_RESERVED, /* 0x10: FN+END (brightness down) */
+ KEY_RESERVED, /* 0x11: FN+PGUP (thinklight toggle) */
+ KEY_UNKNOWN, /* 0x12: FN+PGDOWN */
+ KEY_ZOOM, /* 0x13: FN+SPACE (zoom) */
+ KEY_RESERVED, /* 0x14: VOLUME UP */
+ KEY_RESERVED, /* 0x15: VOLUME DOWN */
+ KEY_RESERVED, /* 0x16: MUTE */
+ KEY_VENDOR, /* 0x17: Thinkpad/AccessIBM/Lenovo */
+ /* (assignments unknown, please report if found) */
+ KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
+ KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
+};
+
+static struct attribute_set *hotkey_dev_attributes;
-static struct attribute_set *hotkey_dev_attributes = NULL;
+static int hotkey_get_wlsw(int *status)
+{
+ if (!acpi_evalf(hkey_handle, status, "WLSW", "d"))
+ return -EIO;
+ return 0;
+}
/* sysfs hotkey enable ------------------------------------------------- */
static ssize_t hotkey_enable_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- int res, status, mask;
+ int res, status;
+ u32 mask;
res = hotkey_get(&status, &mask);
if (res)
const char *buf, size_t count)
{
unsigned long t;
- int res, status, mask;
+ int res, status;
+ u32 mask;
if (parse_strtoul(buf, 1, &t))
return -EINVAL;
}
static struct device_attribute dev_attr_hotkey_enable =
- __ATTR(enable, S_IWUSR | S_IRUGO,
+ __ATTR(hotkey_enable, S_IWUSR | S_IRUGO,
hotkey_enable_show, hotkey_enable_store);
/* sysfs hotkey mask --------------------------------------------------- */
struct device_attribute *attr,
char *buf)
{
- int res, status, mask;
+ int res, status;
+ u32 mask;
res = hotkey_get(&status, &mask);
if (res)
return res;
- return snprintf(buf, PAGE_SIZE, "0x%04x\n", mask);
+ return snprintf(buf, PAGE_SIZE, "0x%08x\n", mask);
}
static ssize_t hotkey_mask_store(struct device *dev,
const char *buf, size_t count)
{
unsigned long t;
- int res, status, mask;
+ int res, status;
+ u32 mask;
- if (parse_strtoul(buf, 0xffff, &t))
+ if (parse_strtoul(buf, 0xffffffffUL, &t))
return -EINVAL;
res = hotkey_get(&status, &mask);
}
static struct device_attribute dev_attr_hotkey_mask =
- __ATTR(mask, S_IWUSR | S_IRUGO,
+ __ATTR(hotkey_mask, S_IWUSR | S_IRUGO,
hotkey_mask_show, hotkey_mask_store);
/* sysfs hotkey bios_enabled ------------------------------------------- */
}
static struct device_attribute dev_attr_hotkey_bios_enabled =
- __ATTR(bios_enabled, S_IRUGO, hotkey_bios_enabled_show, NULL);
+ __ATTR(hotkey_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);
+ return snprintf(buf, PAGE_SIZE, "0x%08x\n", hotkey_orig_mask);
}
static struct device_attribute dev_attr_hotkey_bios_mask =
- __ATTR(bios_mask, S_IRUGO, hotkey_bios_mask_show, NULL);
+ __ATTR(hotkey_bios_mask, S_IRUGO, hotkey_bios_mask_show, NULL);
+
+/* sysfs hotkey all_mask ----------------------------------------------- */
+static ssize_t hotkey_all_mask_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "0x%08x\n", hotkey_all_mask);
+}
+
+static struct device_attribute dev_attr_hotkey_all_mask =
+ __ATTR(hotkey_all_mask, S_IRUGO, hotkey_all_mask_show, NULL);
+
+/* sysfs hotkey recommended_mask --------------------------------------- */
+static ssize_t hotkey_recommended_mask_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "0x%08x\n",
+ hotkey_all_mask & ~hotkey_reserved_mask);
+}
+
+static struct device_attribute dev_attr_hotkey_recommended_mask =
+ __ATTR(hotkey_recommended_mask, S_IRUGO,
+ hotkey_recommended_mask_show, NULL);
+
+/* sysfs hotkey radio_sw ----------------------------------------------- */
+static ssize_t hotkey_radio_sw_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ int res, s;
+ res = hotkey_get_wlsw(&s);
+ if (res < 0)
+ return res;
+
+ return snprintf(buf, PAGE_SIZE, "%d\n", !!s);
+}
+
+static struct device_attribute dev_attr_hotkey_radio_sw =
+ __ATTR(hotkey_radio_sw, S_IRUGO, hotkey_radio_sw_show, NULL);
/* --------------------------------------------------------------------- */
&dev_attr_hotkey_mask.attr,
&dev_attr_hotkey_bios_enabled.attr,
&dev_attr_hotkey_bios_mask.attr,
+ &dev_attr_hotkey_all_mask.attr,
+ &dev_attr_hotkey_recommended_mask.attr,
};
static int __init hotkey_init(struct ibm_init_struct *iibm)
{
- int res;
+ int res, i;
+ int status;
vdbg_printk(TPACPI_DBG_INIT, "initializing hotkey subdriver\n");
+ BUG_ON(!tpacpi_inputdev);
+
IBM_ACPIHANDLE_INIT(hkey);
mutex_init(&hotkey_mutex);
str_supported(tp_features.hotkey));
if (tp_features.hotkey) {
- hotkey_dev_attributes = create_attr_set(4,
- TPACPI_HOTKEY_SYSFS_GROUP);
+ hotkey_dev_attributes = create_attr_set(7, NULL);
if (!hotkey_dev_attributes)
return -ENOMEM;
res = add_to_attr_set(hotkey_dev_attributes,
vdbg_printk(TPACPI_DBG_INIT, "hotkey masks are %s\n",
str_supported(tp_features.hotkey_mask));
+ if (tp_features.hotkey_mask) {
+ /* MHKA available in A31, R40, R40e, T4x, X31, and later */
+ if (!acpi_evalf(hkey_handle, &hotkey_all_mask,
+ "MHKA", "qd"))
+ hotkey_all_mask = 0x080cU; /* FN+F12, FN+F4, FN+F3 */
+ }
+
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));
}
+
+ /* Not all thinkpads have a hardware radio switch */
+ if (!res && acpi_evalf(hkey_handle, &status, "WLSW", "qd")) {
+ tp_features.hotkey_wlsw = 1;
+ printk(IBM_INFO
+ "radio switch found; radios are %s\n",
+ enabled(status, 0));
+ res = add_to_attr_set(hotkey_dev_attributes,
+ &dev_attr_hotkey_radio_sw.attr);
+ }
+
if (!res)
res = register_attr_set_with_sysfs(
hotkey_dev_attributes,
&tpacpi_pdev->dev.kobj);
+ if (res)
+ return res;
+
+#ifndef CONFIG_THINKPAD_ACPI_INPUT_ENABLED
+ for (i = 0; i < 12; i++)
+ hotkey_keycode_map[i] = KEY_UNKNOWN;
+#endif /* ! CONFIG_THINKPAD_ACPI_INPUT_ENABLED */
+
+ set_bit(EV_KEY, tpacpi_inputdev->evbit);
+ set_bit(EV_MSC, tpacpi_inputdev->evbit);
+ set_bit(MSC_SCAN, tpacpi_inputdev->mscbit);
+ tpacpi_inputdev->keycodesize = sizeof(hotkey_keycode_map[0]);
+ tpacpi_inputdev->keycodemax = ARRAY_SIZE(hotkey_keycode_map);
+ tpacpi_inputdev->keycode = &hotkey_keycode_map;
+ for (i = 0; i < ARRAY_SIZE(hotkey_keycode_map); i++) {
+ if (hotkey_keycode_map[i] != KEY_RESERVED) {
+ set_bit(hotkey_keycode_map[i],
+ tpacpi_inputdev->keybit);
+ } else {
+ if (i < sizeof(hotkey_reserved_mask)*8)
+ hotkey_reserved_mask |= 1 << i;
+ }
+ }
+#ifdef CONFIG_THINKPAD_ACPI_INPUT_ENABLED
+ dbg_printk(TPACPI_DBG_INIT,
+ "enabling hot key handling\n");
+ res = hotkey_set(1, (hotkey_all_mask & ~hotkey_reserved_mask)
+ | hotkey_orig_mask);
if (res)
return res;
+#endif /* CONFIG_THINKPAD_ACPI_INPUT_ENABLED */
}
return (tp_features.hotkey)? 0 : 1;
}
}
+static void tpacpi_input_send_key(unsigned int scancode,
+ unsigned int keycode)
+{
+ if (keycode != KEY_RESERVED) {
+ input_report_key(tpacpi_inputdev, keycode, 1);
+ if (keycode == KEY_UNKNOWN)
+ input_event(tpacpi_inputdev, EV_MSC, MSC_SCAN,
+ scancode);
+ input_sync(tpacpi_inputdev);
+
+ input_report_key(tpacpi_inputdev, keycode, 0);
+ if (keycode == KEY_UNKNOWN)
+ input_event(tpacpi_inputdev, EV_MSC, MSC_SCAN,
+ scancode);
+ input_sync(tpacpi_inputdev);
+ }
+}
+
static void hotkey_notify(struct ibm_struct *ibm, u32 event)
{
- int hkey;
+ u32 hkey;
+ unsigned int keycode, scancode;
+ int sendacpi = 1;
+
+ if (event == 0x80 && acpi_evalf(hkey_handle, &hkey, "MHKP", "d")) {
+ if (tpacpi_inputdev->users > 0) {
+ switch (hkey >> 12) {
+ case 1:
+ /* 0x1000-0x1FFF: key presses */
+ scancode = hkey & 0xfff;
+ if (scancode > 0 && scancode < 0x21) {
+ scancode--;
+ keycode = hotkey_keycode_map[scancode];
+ tpacpi_input_send_key(scancode, keycode);
+ sendacpi = (keycode == KEY_RESERVED
+ || keycode == KEY_UNKNOWN);
+ } else {
+ printk(IBM_ERR
+ "hotkey 0x%04x out of range for keyboard map\n",
+ hkey);
+ }
+ break;
+ case 5:
+ /* 0x5000-0x5FFF: LID */
+ /* we don't handle it through this path, just
+ * eat up known LID events */
+ if (hkey != 0x5001 && hkey != 0x5002) {
+ printk(IBM_ERR
+ "unknown LID-related hotkey event: 0x%04x\n",
+ hkey);
+ }
+ break;
+ default:
+ /* case 2: dock-related */
+ /* 0x2305 - T43 waking up due to bay lever eject while aslept */
+ /* case 3: ultra-bay related. maybe bay in dock? */
+ /* 0x3003 - T43 after wake up by bay lever eject (0x2305) */
+ printk(IBM_NOTICE "unhandled hotkey event 0x%04x\n", hkey);
+ }
+ }
- if (acpi_evalf(hkey_handle, &hkey, "MHKP", "d"))
- acpi_bus_generate_event(ibm->acpi->device, event, hkey);
- else {
- printk(IBM_ERR "unknown hotkey event %d\n", event);
+ if (sendacpi)
+ acpi_bus_generate_event(ibm->acpi->device, event, hkey);
+ } else {
+ printk(IBM_ERR "unknown hotkey notification event %d\n", event);
acpi_bus_generate_event(ibm->acpi->device, event, 0);
}
}
/*
* Call with hotkey_mutex held
*/
-static int hotkey_get(int *status, int *mask)
+static int hotkey_get(int *status, u32 *mask)
{
if (!acpi_evalf(hkey_handle, status, "DHKC", "d"))
return -EIO;
/*
* Call with hotkey_mutex held
*/
-static int hotkey_set(int status, int mask)
+static int hotkey_set(int status, u32 mask)
{
int i;
/* procfs -------------------------------------------------------------- */
static int hotkey_read(char *p)
{
- int res, status, mask;
+ int res, status;
+ u32 mask;
int len = 0;
if (!tp_features.hotkey) {
len += sprintf(p + len, "status:\t\t%s\n", enabled(status, 0));
if (tp_features.hotkey_mask) {
- len += sprintf(p + len, "mask:\t\t0x%04x\n", mask);
+ len += sprintf(p + len, "mask:\t\t0x%08x\n", mask);
len += sprintf(p + len,
"commands:\tenable, disable, reset, <mask>\n");
} else {
static int hotkey_write(char *buf)
{
- int res, status, mask;
+ int res, status;
+ u32 mask;
char *cmd;
int do_cmd = 0;
}
static struct device_attribute dev_attr_bluetooth_enable =
- __ATTR(enable, S_IWUSR | S_IRUGO,
+ __ATTR(bluetooth_enable, S_IWUSR | S_IRUGO,
bluetooth_enable_show, bluetooth_enable_store);
/* --------------------------------------------------------------------- */
};
static const struct attribute_group bluetooth_attr_group = {
- .name = TPACPI_BLUETH_SYSFS_GROUP,
.attrs = bluetooth_attributes,
};
}
static struct device_attribute dev_attr_wan_enable =
- __ATTR(enable, S_IWUSR | S_IRUGO,
+ __ATTR(wwan_enable, S_IWUSR | S_IRUGO,
wan_enable_show, wan_enable_store);
/* --------------------------------------------------------------------- */
};
static const struct attribute_group wan_attr_group = {
- .name = TPACPI_WAN_SYSFS_GROUP,
.attrs = wan_attributes,
};
* Backlight/brightness subdriver
*/
-static struct backlight_device *ibm_backlight_device = NULL;
+static struct backlight_device *ibm_backlight_device;
static struct backlight_ops ibm_backlight_data = {
.get_brightness = brightness_get,
static void fan_watchdog_reset(void)
{
- static int fan_watchdog_active = 0;
+ static int fan_watchdog_active;
if (fan_control_access_mode == TPACPI_FAN_WR_NONE)
return;
****************************************************************************/
/* /proc support */
-static struct proc_dir_entry *proc_dir = NULL;
+static struct proc_dir_entry *proc_dir;
/* Subdriver registry */
static LIST_HEAD(tpacpi_all_drivers);
/* Probing */
-static char *ibm_thinkpad_ec_found = NULL;
+static char *ibm_thinkpad_ec_found;
static char* __init check_dmi_for_ec(void)
{
thinkpad_acpi_module_exit();
return ret;
}
+ tpacpi_inputdev = input_allocate_device();
+ if (!tpacpi_inputdev) {
+ printk(IBM_ERR "unable to allocate input device\n");
+ thinkpad_acpi_module_exit();
+ return -ENOMEM;
+ } else {
+ /* Prepare input device, but don't register */
+ tpacpi_inputdev->name = "ThinkPad Extra Buttons";
+ tpacpi_inputdev->phys = IBM_DRVR_NAME "/input0";
+ tpacpi_inputdev->id.bustype = BUS_HOST;
+ tpacpi_inputdev->id.vendor = TPACPI_HKEY_INPUT_VENDOR;
+ tpacpi_inputdev->id.product = TPACPI_HKEY_INPUT_PRODUCT;
+ tpacpi_inputdev->id.version = TPACPI_HKEY_INPUT_VERSION;
+ }
for (i = 0; i < ARRAY_SIZE(ibms_init); i++) {
ret = ibm_init(&ibms_init[i]);
if (ret >= 0 && *ibms_init[i].param)
return ret;
}
}
+ ret = input_register_device(tpacpi_inputdev);
+ if (ret < 0) {
+ printk(IBM_ERR "unable to register input device\n");
+ thinkpad_acpi_module_exit();
+ return ret;
+ } else {
+ tp_features.input_device_registered = 1;
+ }
return 0;
}
dbg_printk(TPACPI_DBG_INIT, "finished subdriver exit path...\n");
+ if (tpacpi_inputdev) {
+ if (tp_features.input_device_registered)
+ input_unregister_device(tpacpi_inputdev);
+ else
+ input_free_device(tpacpi_inputdev);
+ }
+
if (tpacpi_hwmon)
hwmon_device_unregister(tpacpi_hwmon);
git.openpandora.org / pandora-kernel.git / blobdiff