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path: root/drivers/misc/thinkpad_acpi.c
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Diffstat (limited to 'drivers/misc/thinkpad_acpi.c')
-rw-r--r--drivers/misc/thinkpad_acpi.c144
1 files changed, 87 insertions, 57 deletions
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index bb8956d0c10..0222bbaf7b7 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -21,7 +21,7 @@
* 02110-1301, USA.
*/
-#define IBM_VERSION "0.15"
+#define IBM_VERSION "0.16"
#define TPACPI_SYSFS_VERSION 0x010000
/*
@@ -906,9 +906,26 @@ static ssize_t hotkey_radio_sw_show(struct device *dev,
static struct device_attribute dev_attr_hotkey_radio_sw =
__ATTR(hotkey_radio_sw, S_IRUGO, hotkey_radio_sw_show, NULL);
+/* sysfs hotkey report_mode -------------------------------------------- */
+static ssize_t hotkey_report_mode_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ (hotkey_report_mode != 0) ? hotkey_report_mode : 1);
+}
+
+static struct device_attribute dev_attr_hotkey_report_mode =
+ __ATTR(hotkey_report_mode, S_IRUGO, hotkey_report_mode_show, NULL);
+
/* --------------------------------------------------------------------- */
-static struct attribute *hotkey_mask_attributes[] = {
+static struct attribute *hotkey_attributes[] __initdata = {
+ &dev_attr_hotkey_enable.attr,
+ &dev_attr_hotkey_report_mode.attr,
+};
+
+static struct attribute *hotkey_mask_attributes[] __initdata = {
&dev_attr_hotkey_mask.attr,
&dev_attr_hotkey_bios_enabled.attr,
&dev_attr_hotkey_bios_mask.attr,
@@ -987,11 +1004,12 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
str_supported(tp_features.hotkey));
if (tp_features.hotkey) {
- hotkey_dev_attributes = create_attr_set(7, NULL);
+ hotkey_dev_attributes = create_attr_set(8, NULL);
if (!hotkey_dev_attributes)
return -ENOMEM;
- res = add_to_attr_set(hotkey_dev_attributes,
- &dev_attr_hotkey_enable.attr);
+ res = add_many_to_attr_set(hotkey_dev_attributes,
+ hotkey_attributes,
+ ARRAY_SIZE(hotkey_attributes));
if (res)
return res;
@@ -1055,11 +1073,6 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
TPACPI_HOTKEY_MAP_SIZE);
}
-#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);
@@ -1081,14 +1094,17 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
set_bit(SW_RADIO, tpacpi_inputdev->swbit);
}
-#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 */
+
+ dbg_printk(TPACPI_DBG_INIT,
+ "legacy hot key reporting over procfs %s\n",
+ (hotkey_report_mode < 2) ?
+ "enabled" : "disabled");
}
return (tp_features.hotkey)? 0 : 1;
@@ -1142,58 +1158,65 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
{
u32 hkey;
unsigned int keycode, scancode;
- int sendacpi = 1;
+ int send_acpi_ev = 0;
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);
- }
+ 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);
+ } else {
+ printk(IBM_ERR
+ "hotkey 0x%04x out of range for keyboard map\n",
+ hkey);
+ send_acpi_ev = 1;
+ }
+ 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);
+ send_acpi_ev = 1;
+ }
+ break;
+ case 7:
+ /* 0x7000-0x7FFF: misc */
+ if (tp_features.hotkey_wlsw && hkey == 0x7000) {
+ tpacpi_input_send_radiosw();
break;
- case 7:
- /* 0x7000-0x7FFF: misc */
- if (tp_features.hotkey_wlsw && hkey == 0x7000) {
- tpacpi_input_send_radiosw();
- sendacpi = 0;
- break;
- }
- /* fallthrough to default */
- 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);
}
+ /* fallthrough to default */
+ 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 HKEY event 0x%04x\n", hkey);
+ send_acpi_ev = 1;
}
-
- if (sendacpi)
- acpi_bus_generate_proc_event(ibm->acpi->device, event, hkey);
} else {
printk(IBM_ERR "unknown hotkey notification event %d\n", event);
- acpi_bus_generate_proc_event(ibm->acpi->device, event, 0);
+ hkey = 0;
+ send_acpi_ev = 1;
+ }
+
+ /* Legacy events */
+ if (send_acpi_ev || hotkey_report_mode < 2)
+ acpi_bus_generate_proc_event(ibm->acpi->device, event, hkey);
+
+ /* netlink events */
+ if (send_acpi_ev) {
+ acpi_bus_generate_netlink_event(ibm->acpi->device->pnp.device_class,
+ ibm->acpi->device->dev.bus_id,
+ event, hkey);
}
}
@@ -4623,6 +4646,9 @@ module_param_named(fan_control, fan_control_allowed, bool, 0);
static int brightness_mode;
module_param_named(brightness_mode, brightness_mode, int, 0);
+static unsigned int hotkey_report_mode;
+module_param(hotkey_report_mode, uint, 0);
+
#define IBM_PARAM(feature) \
module_param_call(feature, set_ibm_param, NULL, NULL, 0)
@@ -4648,6 +4674,10 @@ static int __init thinkpad_acpi_module_init(void)
{
int ret, i;
+ /* Parameter checking */
+ if (hotkey_report_mode > 2)
+ return -EINVAL;
+
/* Driver-level probe */
get_thinkpad_model_data(&thinkpad_id);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 15:42:03 +0000