aboutsummaryrefslogtreecommitdiff
path: root/drivers/platform/x86/hp-wmi.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/platform/x86/hp-wmi.c')
-rw-r--r--drivers/platform/x86/hp-wmi.c123
1 files changed, 110 insertions, 13 deletions
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index 45cacf79f3a..484a8673b83 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -53,8 +53,11 @@ MODULE_ALIAS("wmi:5FB7F034-2C63-45e9-BE91-3D44E2C707E4");
#define HPWMI_ALS_QUERY 0x3
#define HPWMI_HARDWARE_QUERY 0x4
#define HPWMI_WIRELESS_QUERY 0x5
+#define HPWMI_BIOS_QUERY 0x9
#define HPWMI_HOTKEY_QUERY 0xc
+#define HPWMI_FEATURE_QUERY 0xd
#define HPWMI_WIRELESS2_QUERY 0x1b
+#define HPWMI_POSTCODEERROR_QUERY 0x2a
enum hp_wmi_radio {
HPWMI_WIFI = 0,
@@ -71,6 +74,14 @@ enum hp_wmi_event_ids {
HPWMI_WIRELESS = 5,
HPWMI_CPU_BATTERY_THROTTLE = 6,
HPWMI_LOCK_SWITCH = 7,
+ HPWMI_LID_SWITCH = 8,
+ HPWMI_SCREEN_ROTATION = 9,
+ HPWMI_COOLSENSE_SYSTEM_MOBILE = 0x0A,
+ HPWMI_COOLSENSE_SYSTEM_HOT = 0x0B,
+ HPWMI_PROXIMITY_SENSOR = 0x0C,
+ HPWMI_BACKLIT_KB_BRIGHTNESS = 0x0D,
+ HPWMI_PEAKSHIFT_PERIOD = 0x0F,
+ HPWMI_BATTERY_CHARGE_PERIOD = 0x10,
};
struct bios_args {
@@ -284,6 +295,30 @@ static int hp_wmi_tablet_state(void)
return (state & 0x4) ? 1 : 0;
}
+static int hp_wmi_bios_2009_later(void)
+{
+ int state = 0;
+ int ret = hp_wmi_perform_query(HPWMI_FEATURE_QUERY, 0, &state,
+ sizeof(state), sizeof(state));
+ if (ret)
+ return ret;
+
+ return (state & 0x10) ? 1 : 0;
+}
+
+static int hp_wmi_enable_hotkeys(void)
+{
+ int ret;
+ int query = 0x6e;
+
+ ret = hp_wmi_perform_query(HPWMI_BIOS_QUERY, 1, &query, sizeof(query),
+ 0);
+
+ if (ret)
+ return -EINVAL;
+ return 0;
+}
+
static int hp_wmi_set_block(void *data, bool blocked)
{
enum hp_wmi_radio r = (enum hp_wmi_radio) data;
@@ -379,6 +414,16 @@ static int hp_wmi_rfkill2_refresh(void)
return 0;
}
+static int hp_wmi_post_code_state(void)
+{
+ int state = 0;
+ int ret = hp_wmi_perform_query(HPWMI_POSTCODEERROR_QUERY, 0, &state,
+ sizeof(state), sizeof(state));
+ if (ret)
+ return -EINVAL;
+ return state;
+}
+
static ssize_t show_display(struct device *dev, struct device_attribute *attr,
char *buf)
{
@@ -424,6 +469,16 @@ static ssize_t show_tablet(struct device *dev, struct device_attribute *attr,
return sprintf(buf, "%d\n", value);
}
+static ssize_t show_postcode(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ /* Get the POST error code of previous boot failure. */
+ int value = hp_wmi_post_code_state();
+ if (value < 0)
+ return -EINVAL;
+ return sprintf(buf, "0x%x\n", value);
+}
+
static ssize_t set_als(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
@@ -436,11 +491,33 @@ static ssize_t set_als(struct device *dev, struct device_attribute *attr,
return count;
}
+static ssize_t set_postcode(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ int ret;
+ u32 tmp;
+ long unsigned int tmp2;
+
+ ret = kstrtoul(buf, 10, &tmp2);
+ if (ret || tmp2 != 1)
+ return -EINVAL;
+
+ /* Clear the POST error code. It is kept until until cleared. */
+ tmp = (u32) tmp2;
+ ret = hp_wmi_perform_query(HPWMI_POSTCODEERROR_QUERY, 1, &tmp,
+ sizeof(tmp), sizeof(tmp));
+ if (ret)
+ return -EINVAL;
+
+ return count;
+}
+
static DEVICE_ATTR(display, S_IRUGO, show_display, NULL);
static DEVICE_ATTR(hddtemp, S_IRUGO, show_hddtemp, NULL);
static DEVICE_ATTR(als, S_IRUGO | S_IWUSR, show_als, set_als);
static DEVICE_ATTR(dock, S_IRUGO, show_dock, NULL);
static DEVICE_ATTR(tablet, S_IRUGO, show_tablet, NULL);
+static DEVICE_ATTR(postcode, S_IRUGO | S_IWUSR, show_postcode, set_postcode);
static void hp_wmi_notify(u32 value, void *context)
{
@@ -537,6 +614,22 @@ static void hp_wmi_notify(u32 value, void *context)
break;
case HPWMI_LOCK_SWITCH:
break;
+ case HPWMI_LID_SWITCH:
+ break;
+ case HPWMI_SCREEN_ROTATION:
+ break;
+ case HPWMI_COOLSENSE_SYSTEM_MOBILE:
+ break;
+ case HPWMI_COOLSENSE_SYSTEM_HOT:
+ break;
+ case HPWMI_PROXIMITY_SENSOR:
+ break;
+ case HPWMI_BACKLIT_KB_BRIGHTNESS:
+ break;
+ case HPWMI_PEAKSHIFT_PERIOD:
+ break;
+ case HPWMI_BATTERY_CHARGE_PERIOD:
+ break;
default:
pr_info("Unknown event_id - %d - 0x%x\n", event_id, event_data);
break;
@@ -570,6 +663,9 @@ static int __init hp_wmi_input_setup(void)
hp_wmi_tablet_state());
input_sync(hp_wmi_input_dev);
+ if (hp_wmi_bios_2009_later() == 4)
+ hp_wmi_enable_hotkeys();
+
status = wmi_install_notify_handler(HPWMI_EVENT_GUID, hp_wmi_notify, NULL);
if (ACPI_FAILURE(status)) {
err = -EIO;
@@ -605,6 +701,7 @@ static void cleanup_sysfs(struct platform_device *device)
device_remove_file(&device->dev, &dev_attr_als);
device_remove_file(&device->dev, &dev_attr_dock);
device_remove_file(&device->dev, &dev_attr_tablet);
+ device_remove_file(&device->dev, &dev_attr_postcode);
}
static int hp_wmi_rfkill_setup(struct platform_device *device)
@@ -658,7 +755,7 @@ static int hp_wmi_rfkill_setup(struct platform_device *device)
(void *) HPWMI_WWAN);
if (!wwan_rfkill) {
err = -ENOMEM;
- goto register_gps_error;
+ goto register_bluetooth_error;
}
rfkill_init_sw_state(wwan_rfkill,
hp_wmi_get_sw_state(HPWMI_WWAN));
@@ -666,7 +763,7 @@ static int hp_wmi_rfkill_setup(struct platform_device *device)
hp_wmi_get_hw_state(HPWMI_WWAN));
err = rfkill_register(wwan_rfkill);
if (err)
- goto register_wwan_err;
+ goto register_wwan_error;
}
if (wireless & 0x8) {
@@ -676,11 +773,11 @@ static int hp_wmi_rfkill_setup(struct platform_device *device)
(void *) HPWMI_GPS);
if (!gps_rfkill) {
err = -ENOMEM;
- goto register_bluetooth_error;
+ goto register_wwan_error;
}
rfkill_init_sw_state(gps_rfkill,
hp_wmi_get_sw_state(HPWMI_GPS));
- rfkill_set_hw_state(bluetooth_rfkill,
+ rfkill_set_hw_state(gps_rfkill,
hp_wmi_get_hw_state(HPWMI_GPS));
err = rfkill_register(gps_rfkill);
if (err)
@@ -688,16 +785,16 @@ static int hp_wmi_rfkill_setup(struct platform_device *device)
}
return 0;
-register_wwan_err:
- rfkill_destroy(wwan_rfkill);
- wwan_rfkill = NULL;
- if (gps_rfkill)
- rfkill_unregister(gps_rfkill);
register_gps_error:
rfkill_destroy(gps_rfkill);
gps_rfkill = NULL;
if (bluetooth_rfkill)
rfkill_unregister(bluetooth_rfkill);
+register_wwan_error:
+ rfkill_destroy(wwan_rfkill);
+ wwan_rfkill = NULL;
+ if (gps_rfkill)
+ rfkill_unregister(gps_rfkill);
register_bluetooth_error:
rfkill_destroy(bluetooth_rfkill);
bluetooth_rfkill = NULL;
@@ -804,7 +901,7 @@ static int __init hp_wmi_bios_setup(struct platform_device *device)
gps_rfkill = NULL;
rfkill2_count = 0;
- if (hp_wmi_rfkill_setup(device))
+ if (hp_wmi_bios_2009_later() || hp_wmi_rfkill_setup(device))
hp_wmi_rfkill2_setup(device);
err = device_create_file(&device->dev, &dev_attr_display);
@@ -822,6 +919,9 @@ static int __init hp_wmi_bios_setup(struct platform_device *device)
err = device_create_file(&device->dev, &dev_attr_tablet);
if (err)
goto add_sysfs_error;
+ err = device_create_file(&device->dev, &dev_attr_postcode);
+ if (err)
+ goto add_sysfs_error;
return 0;
add_sysfs_error:
@@ -925,9 +1025,6 @@ static int __init hp_wmi_init(void)
err = hp_wmi_input_setup();
if (err)
return err;
-
- //Enable magic for hotkeys that run on the SMBus
- ec_write(0xe6,0x6e);
}
if (bios_capable) {
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 14:37:35 +0000