#include <linux/rfkill.h>
#include <linux/pci.h>
#include <linux/pci_hotplug.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <linux/platform_device.h>
#define NOTIFY_BRNDOWN_MAX 0x2e
/* WMI Methods */
-#define ASUS_WMI_METHODID_DSTS 0x53544344
-#define ASUS_WMI_METHODID_DSTS2 0x53545344
-#define ASUS_WMI_METHODID_DEVS 0x53564544
-#define ASUS_WMI_METHODID_CFVS 0x53564643
+#define ASUS_WMI_METHODID_SPEC 0x43455053 /* BIOS SPECification */
+#define ASUS_WMI_METHODID_SFBD 0x44424653 /* Set First Boot Device */
+#define ASUS_WMI_METHODID_GLCD 0x44434C47 /* Get LCD status */
+#define ASUS_WMI_METHODID_GPID 0x44495047 /* Get Panel ID?? (Resol) */
+#define ASUS_WMI_METHODID_QMOD 0x444F4D51 /* Quiet MODe */
+#define ASUS_WMI_METHODID_SPLV 0x4C425053 /* Set Panel Light Value */
+#define ASUS_WMI_METHODID_SFUN 0x4E554653 /* FUNCtionalities */
+#define ASUS_WMI_METHODID_SDSP 0x50534453 /* Set DiSPlay output */
+#define ASUS_WMI_METHODID_GDSP 0x50534447 /* Get DiSPlay output */
+#define ASUS_WMI_METHODID_DEVP 0x50564544 /* DEVice Policy */
+#define ASUS_WMI_METHODID_OSVR 0x5256534F /* OS VeRsion */
+#define ASUS_WMI_METHODID_DSTS 0x53544344 /* Device STatuS */
+#define ASUS_WMI_METHODID_DSTS2 0x53545344 /* Device STatuS #2*/
+#define ASUS_WMI_METHODID_BSTS 0x53545342 /* Bios STatuS ? */
+#define ASUS_WMI_METHODID_DEVS 0x53564544 /* DEVice Set */
+#define ASUS_WMI_METHODID_CFVS 0x53564643 /* CPU Frequency Volt Set */
+#define ASUS_WMI_METHODID_KBFT 0x5446424B /* KeyBoard FilTer */
+#define ASUS_WMI_METHODID_INIT 0x54494E49 /* INITialize */
+#define ASUS_WMI_METHODID_HKEY 0x59454B48 /* Hot KEY ?? */
#define ASUS_WMI_UNSUPPORTED_METHOD 0xFFFFFFFE
/* Wireless */
+#define ASUS_WMI_DEVID_HW_SWITCH 0x00010001
+#define ASUS_WMI_DEVID_WIRELESS_LED 0x00010002
#define ASUS_WMI_DEVID_WLAN 0x00010011
#define ASUS_WMI_DEVID_BLUETOOTH 0x00010013
+#define ASUS_WMI_DEVID_GPS 0x00010015
#define ASUS_WMI_DEVID_WIMAX 0x00010017
#define ASUS_WMI_DEVID_WWAN3G 0x00010019
+#define ASUS_WMI_DEVID_UWB 0x00010021
+
+/* Leds */
+/* 0x000200XX and 0x000400XX */
/* Backlight and Brightness */
#define ASUS_WMI_DEVID_BACKLIGHT 0x00050011
#define ASUS_WMI_DEVID_BRIGHTNESS 0x00050012
+#define ASUS_WMI_DEVID_KBD_BACKLIGHT 0x00050021
+#define ASUS_WMI_DEVID_LIGHT_SENSOR 0x00050022 /* ?? */
/* Misc */
#define ASUS_WMI_DEVID_CAMERA 0x00060013
#define ASUS_WMI_DEVID_TOUCHPAD 0x00100011
#define ASUS_WMI_DEVID_TOUCHPAD_LED 0x00100012
+/* Fan, Thermal */
+#define ASUS_WMI_DEVID_THERMAL_CTRL 0x00110011
+#define ASUS_WMI_DEVID_FAN_CTRL 0x00110012
+
+/* Power */
+#define ASUS_WMI_DEVID_PROCESSOR_STATE 0x00120012
+
/* DSTS masks */
#define ASUS_WMI_DSTS_STATUS_BIT 0x00000001
#define ASUS_WMI_DSTS_UNKNOWN_BIT 0x00000002
#define ASUS_WMI_DSTS_PRESENCE_BIT 0x00010000
+#define ASUS_WMI_DSTS_USER_BIT 0x00020000
+#define ASUS_WMI_DSTS_BIOS_BIT 0x00040000
#define ASUS_WMI_DSTS_BRIGHTNESS_MASK 0x000000FF
#define ASUS_WMI_DSTS_MAX_BRIGTH_MASK 0x0000FF00
* <platform>/ - debugfs root directory
* dev_id - current dev_id
* ctrl_param - current ctrl_param
+ * method_id - current method_id
* devs - call DEVS(dev_id, ctrl_param) and print result
* dsts - call DSTS(dev_id) and print result
+ * call - call method_id(dev_id, ctrl_param) and print result
*/
struct asus_wmi_debug {
struct dentry *root;
+ u32 method_id;
u32 dev_id;
u32 ctrl_param;
};
struct asus_wmi {
int dsts_id;
+ int spec;
+ int sfun;
struct input_dev *inputdev;
struct backlight_device *backlight_device;
+ struct device *hwmon_device;
struct platform_device *platform_device;
struct led_classdev tpd_led;
if (!asus->inputdev)
return -ENOMEM;
- asus->inputdev->name = asus->driver->input_phys;
- asus->inputdev->phys = asus->driver->input_name;
+ asus->inputdev->name = asus->driver->input_name;
+ asus->inputdev->phys = asus->driver->input_phys;
asus->inputdev->id.bustype = BUS_HOST;
asus->inputdev->dev.parent = &asus->platform_device->dev;
return result;
}
+/*
+ * Hwmon device
+ */
+static ssize_t asus_hwmon_pwm1(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct asus_wmi *asus = dev_get_drvdata(dev);
+ u32 value;
+ int err;
+
+ err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_CTRL, &value);
+
+ if (err < 0)
+ return err;
+
+ value |= 0xFF;
+
+ if (value == 1) /* Low Speed */
+ value = 85;
+ else if (value == 2)
+ value = 170;
+ else if (value == 3)
+ value = 255;
+ else if (value != 0) {
+ pr_err("Unknown fan speed %#x", value);
+ value = -1;
+ }
+
+ return sprintf(buf, "%d\n", value);
+}
+
+static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO, asus_hwmon_pwm1, NULL, 0);
+
+static ssize_t
+show_name(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ return sprintf(buf, "asus\n");
+}
+static SENSOR_DEVICE_ATTR(name, S_IRUGO, show_name, NULL, 0);
+
+static struct attribute *hwmon_attributes[] = {
+ &sensor_dev_attr_pwm1.dev_attr.attr,
+ &sensor_dev_attr_name.dev_attr.attr,
+ NULL
+};
+
+static mode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj,
+ struct attribute *attr, int idx)
+{
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct platform_device *pdev = to_platform_device(dev->parent);
+ struct asus_wmi *asus = platform_get_drvdata(pdev);
+ bool ok = true;
+ int dev_id = -1;
+ u32 value = ASUS_WMI_UNSUPPORTED_METHOD;
+
+ if (attr == &sensor_dev_attr_pwm1.dev_attr.attr)
+ dev_id = ASUS_WMI_DEVID_FAN_CTRL;
+
+ if (dev_id != -1) {
+ int err = asus_wmi_get_devstate(asus, dev_id, &value);
+
+ if (err < 0)
+ return err;
+ }
+
+ if (dev_id == ASUS_WMI_DEVID_FAN_CTRL) {
+ /*
+ * We need to find a better way, probably using sfun,
+ * bits or spec ...
+ * Currently we disable it if:
+ * - ASUS_WMI_UNSUPPORTED_METHOD is returned
+ * - reverved bits are non-zero
+ * - sfun and presence bit are not set
+ */
+ if (value != ASUS_WMI_UNSUPPORTED_METHOD || value & 0xFFF80000
+ || (!asus->sfun && !(value & ASUS_WMI_DSTS_PRESENCE_BIT)))
+ ok = false;
+ }
+
+ return ok ? attr->mode : 0;
+}
+
+static struct attribute_group hwmon_attribute_group = {
+ .is_visible = asus_hwmon_sysfs_is_visible,
+ .attrs = hwmon_attributes
+};
+
+static void asus_wmi_hwmon_exit(struct asus_wmi *asus)
+{
+ struct device *hwmon;
+
+ hwmon = asus->hwmon_device;
+ if (!hwmon)
+ return;
+ sysfs_remove_group(&hwmon->kobj, &hwmon_attribute_group);
+ hwmon_device_unregister(hwmon);
+ asus->hwmon_device = NULL;
+}
+
+static int asus_wmi_hwmon_init(struct asus_wmi *asus)
+{
+ struct device *hwmon;
+ int result;
+
+ hwmon = hwmon_device_register(&asus->platform_device->dev);
+ if (IS_ERR(hwmon)) {
+ pr_err("Could not register asus hwmon device\n");
+ return PTR_ERR(hwmon);
+ }
+ asus->hwmon_device = hwmon;
+ result = sysfs_create_group(&hwmon->kobj, &hwmon_attribute_group);
+ if (result)
+ asus_wmi_hwmon_exit(asus);
+ return result;
+}
+
/*
* Backlight
*/
return ret ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;
}
+static int read_brightness_max(struct asus_wmi *asus)
+{
+ u32 retval;
+ int err;
+
+ err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval);
+
+ if (err < 0)
+ return err;
+
+ retval = retval & ASUS_WMI_DSTS_MAX_BRIGTH_MASK;
+ retval >>= 8;
+
+ if (!retval)
+ return -ENODEV;
+
+ return retval;
+}
+
static int read_brightness(struct backlight_device *bd)
{
struct asus_wmi *asus = bl_get_data(bd);
err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT,
ctrl_param, NULL);
}
- return 0;
+ return err;
}
static const struct backlight_ops asus_wmi_bl_ops = {
int max;
int power;
- max = asus_wmi_get_devstate_bits(asus, ASUS_WMI_DEVID_BRIGHTNESS,
- ASUS_WMI_DSTS_MAX_BRIGTH_MASK);
- power = read_backlight_power(asus);
+ max = read_brightness_max(asus);
- if (max < 0 && power < 0) {
- /* Try to keep the original error */
- if (max == -ENODEV && power == -ENODEV)
- return -ENODEV;
- if (max != -ENODEV)
- return max;
- else
- return power;
- }
if (max == -ENODEV)
max = 0;
+ else if (max < 0)
+ return max;
+
+ power = read_backlight_power(asus);
+
if (power == -ENODEV)
power = FB_BLANK_UNBLANK;
+ else if (power < 0)
+ return power;
memset(&props, 0, sizeof(struct backlight_properties));
props.max_brightness = max;
*/
static int __init asus_wmi_platform_init(struct asus_wmi *asus)
{
+ int rv;
+
+ /* INIT enable hotkeys on some models */
+ if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_INIT, 0, 0, &rv))
+ pr_info("Initialization: %#x", rv);
+
+ /* We don't know yet what to do with this version... */
+ if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SPEC, 0, 0x9, &rv)) {
+ pr_info("BIOS WMI version: %d.%d", rv >> 8, rv & 0xFF);
+ asus->spec = rv;
+ }
+
+ /*
+ * The SFUN method probably allows the original driver to get the list
+ * of features supported by a given model. For now, 0x0100 or 0x0800
+ * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card.
+ * The significance of others is yet to be found.
+ */
+ if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SFUN, 0, 0, &rv)) {
+ pr_info("SFUN value: %#x", rv);
+ asus->sfun = rv;
+ }
+
/*
* Eee PC and Notebooks seems to have different method_id for DSTS,
* but it may also be related to the BIOS's SPEC.
if (err < 0)
return err;
- seq_printf(m, "DSTS(%x) = %x\n", asus->debug.dev_id, retval);
+ seq_printf(m, "DSTS(%#x) = %#x\n", asus->debug.dev_id, retval);
return 0;
}
if (err < 0)
return err;
- seq_printf(m, "DEVS(%x, %x) = %x\n", asus->debug.dev_id,
+ seq_printf(m, "DEVS(%#x, %#x) = %#x\n", asus->debug.dev_id,
asus->debug.ctrl_param, retval);
return 0;
}
+static int show_call(struct seq_file *m, void *data)
+{
+ struct asus_wmi *asus = m->private;
+ struct bios_args args = {
+ .arg0 = asus->debug.dev_id,
+ .arg1 = asus->debug.ctrl_param,
+ };
+ struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
+ struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
+ union acpi_object *obj;
+ acpi_status status;
+
+ status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID,
+ 1, asus->debug.method_id,
+ &input, &output);
+
+ if (ACPI_FAILURE(status))
+ return -EIO;
+
+ obj = (union acpi_object *)output.pointer;
+ if (obj && obj->type == ACPI_TYPE_INTEGER)
+ seq_printf(m, "%#x(%#x, %#x) = %#x\n", asus->debug.method_id,
+ asus->debug.dev_id, asus->debug.ctrl_param,
+ (u32) obj->integer.value);
+ else
+ seq_printf(m, "%#x(%#x, %#x) = t:%d\n", asus->debug.method_id,
+ asus->debug.dev_id, asus->debug.ctrl_param,
+ obj ? obj->type : -1);
+
+ kfree(obj);
+
+ return 0;
+}
+
static struct asus_wmi_debugfs_node asus_wmi_debug_files[] = {
{NULL, "devs", show_devs},
{NULL, "dsts", show_dsts},
+ {NULL, "call", show_call},
};
static int asus_wmi_debugfs_open(struct inode *inode, struct file *file)
goto error_debugfs;
}
+ dent = debugfs_create_x32("method_id", S_IRUGO | S_IWUSR,
+ asus->debug.root, &asus->debug.method_id);
+ if (!dent)
+ goto error_debugfs;
+
dent = debugfs_create_x32("dev_id", S_IRUGO | S_IWUSR,
asus->debug.root, &asus->debug.dev_id);
if (!dent)
if (err)
goto fail_input;
+ err = asus_wmi_hwmon_init(asus);
+ if (err)
+ goto fail_hwmon;
+
err = asus_wmi_led_init(asus);
if (err)
goto fail_leds;
fail_rfkill:
asus_wmi_led_exit(asus);
fail_leds:
+ asus_wmi_hwmon_exit(asus);
+fail_hwmon:
asus_wmi_input_exit(asus);
fail_input:
asus_wmi_platform_exit(asus);
wmi_remove_notify_handler(asus->driver->event_guid);
asus_wmi_backlight_exit(asus);
asus_wmi_input_exit(asus);
+ asus_wmi_hwmon_exit(asus);
asus_wmi_led_exit(asus);
asus_wmi_rfkill_exit(asus);
asus_wmi_debugfs_exit(asus);
git.openpandora.org / pandora-kernel.git / blobdiff