static int asus_led_init(struct asus_laptop *asus)
{
int r;
/*
* Functions that actually update the LED's are called from a
* workqueue. By doing this as separate work rather than when the LED
* subsystem asks, we avoid messing with the Asus ACPI stuff during a
* potentially bad time, such as a timer interrupt.
*/
asus->led_workqueue = create_singlethread_workqueue("led_workqueue");
if (!asus->led_workqueue)
return -ENOMEM;
r = asus_led_register(asus, &asus->mled, "asus::mail", METHOD_MLED);
if (r)
goto error;
r = asus_led_register(asus, &asus->tled, "asus::touchpad", METHOD_TLED);
if (r)
goto error;
r = asus_led_register(asus, &asus->rled, "asus::record", METHOD_RLED);
if (r)
goto error;
r = asus_led_register(asus, &asus->pled, "asus::phone", METHOD_PLED);
if (r)
goto error;
r = asus_led_register(asus, &asus->gled, "asus::gaming", METHOD_GLED);
if (r)
goto error;
if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL) &&
!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_GET, NULL)) {
struct asus_led *led = &asus->kled;
struct led_classdev *cdev = &led->led;
led->asus = asus;
INIT_WORK(&led->work, asus_kled_cdev_update);
cdev->name = "asus::kbd_backlight";
cdev->brightness_set = asus_kled_cdev_set;
cdev->brightness_get = asus_kled_cdev_get;
cdev->max_brightness = 3;
r = led_classdev_register(&asus->platform_device->dev, cdev);
}
error:
if (r)
asus_led_exit(asus);
return r;
}
static int asus_sysfs_init(struct asus_laptop *asus)
{
struct platform_device *device = asus->platform_device;
int err;
err = device_create_file(&device->dev, &dev_attr_infos);
if (err)
return err;
if (!acpi_check_handle(asus->handle, METHOD_WLAN, NULL)) {
err = device_create_file(&device->dev, &dev_attr_wlan);
if (err)
return err;
}
if (!acpi_check_handle(asus->handle, METHOD_BLUETOOTH, NULL)) {
err = device_create_file(&device->dev, &dev_attr_bluetooth);
if (err)
return err;
}
if (!acpi_check_handle(asus->handle, METHOD_SWITCH_DISPLAY, NULL)) {
err = device_create_file(&device->dev, &dev_attr_display);
if (err)
return err;
}
if (!acpi_check_handle(asus->handle, METHOD_LEDD, NULL)) {
err = device_create_file(&device->dev, &dev_attr_ledd);
if (err)
return err;
}
if (!acpi_check_handle(asus->handle, METHOD_ALS_CONTROL, NULL) &&
!acpi_check_handle(asus->handle, METHOD_ALS_LEVEL, NULL)) {
err = device_create_file(&device->dev, &dev_attr_ls_switch);
if (err)
return err;
err = device_create_file(&device->dev, &dev_attr_ls_level);
if (err)
return err;
}
if (!acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) &&
!acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) &&
!acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL)) {
err = device_create_file(&device->dev, &dev_attr_gps);
if (err)
return err;
}
return err;
}
static int pega_accel_init(struct asus_laptop *asus)
{
int err;
struct input_polled_dev *ipd;
if (!asus->is_pega_lucid)
return -ENODEV;
if (acpi_check_handle(asus->handle, METHOD_XLRX, NULL) ||
acpi_check_handle(asus->handle, METHOD_XLRY, NULL) ||
acpi_check_handle(asus->handle, METHOD_XLRZ, NULL))
return -ENODEV;
ipd = input_allocate_polled_device();
if (!ipd)
return -ENOMEM;
ipd->poll = pega_accel_poll;
ipd->poll_interval = 125;
ipd->poll_interval_min = 50;
ipd->poll_interval_max = 2000;
ipd->input->name = PEGA_ACCEL_DESC;
ipd->input->phys = PEGA_ACCEL_NAME "/input0";
ipd->input->dev.parent = &asus->platform_device->dev;
ipd->input->id.bustype = BUS_HOST;
set_bit(EV_ABS, ipd->input->evbit);
input_set_abs_params(ipd->input, ABS_X,
-PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, 0, 0);
input_set_abs_params(ipd->input, ABS_Y,
-PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, 0, 0);
input_set_abs_params(ipd->input, ABS_Z,
-PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, 0, 0);
err = input_register_polled_device(ipd);
if (err)
goto exit;
asus->pega_accel_poll = ipd;
return 0;
exit:
input_free_polled_device(ipd);
return err;
}
static int __devinit asus_acpi_init(struct asus_laptop *asus)
{
int result = 0;
result = acpi_bus_get_status(asus->device);
if (result)
return result;
if (!asus->device->status.present) {
pr_err("Hotkey device not present, aborting\n");
return -ENODEV;
}
result = asus_laptop_get_info(asus);
if (result)
return result;
/* WLED and BLED are on by default */
if (bluetooth_status >= 0)
asus_bluetooth_set(asus, !!bluetooth_status);
if (wlan_status >= 0)
asus_wlan_set(asus, !!wlan_status);
/* Keyboard Backlight is on by default */
if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL))
asus_kled_set(asus, 1);
/* LED display is off by default */
asus->ledd_status = 0xFFF;
/* Set initial values of light sensor and level */
asus->light_switch = 0; /* Default to light sensor disabled */
asus->light_level = 5; /* level 5 for sensor sensitivity */
if (!acpi_check_handle(asus->handle, METHOD_ALS_CONTROL, NULL) &&
!acpi_check_handle(asus->handle, METHOD_ALS_LEVEL, NULL)) {
asus_als_switch(asus, asus->light_switch);
asus_als_level(asus, asus->light_level);
}
asus->lcd_state = 1; /* LCD should be on when the module load */
return result;
}
static int asus_rfkill_init(struct asus_laptop *asus)
{
int result = 0;
if (asus->is_pega_lucid)
return -ENODEV;
if (!acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) &&
!acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) &&
!acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL))
result = asus_rfkill_setup(asus, &asus->gps, "asus-gps",
-1, RFKILL_TYPE_GPS,
&asus_gps_rfkill_ops);
if (result)
goto exit;
if (!acpi_check_handle(asus->handle, METHOD_WLAN, NULL) &&
asus->wled_type == TYPE_RFKILL)
result = asus_rfkill_setup(asus, &asus->wlan, "asus-wlan",
WL_RSTS, RFKILL_TYPE_WLAN,
&asus_rfkill_ops);
if (result)
goto exit;
if (!acpi_check_handle(asus->handle, METHOD_BLUETOOTH, NULL) &&
asus->bled_type == TYPE_RFKILL)
result = asus_rfkill_setup(asus, &asus->bluetooth,
"asus-bluetooth", BT_RSTS,
RFKILL_TYPE_BLUETOOTH,
&asus_rfkill_ops);
if (result)
goto exit;
if (!acpi_check_handle(asus->handle, METHOD_WWAN, NULL))
result = asus_rfkill_setup(asus, &asus->wwan, "asus-wwan",
WW_RSTS, RFKILL_TYPE_WWAN,
&asus_rfkill_ops);
if (result)
goto exit;
if (!acpi_check_handle(asus->handle, METHOD_WIMAX, NULL))
result = asus_rfkill_setup(asus, &asus->wimax, "asus-wimax",
WM_RSTS, RFKILL_TYPE_WIMAX,
&asus_rfkill_ops);
if (result)
goto exit;
exit:
if (result)
asus_rfkill_exit(asus);
return result;
}
static int asus_rfkill_init(struct asus_laptop *asus)
{
int result;
if (acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) ||
acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) ||
acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL))
return 0;
asus->gps_rfkill = rfkill_alloc("asus-gps", &asus->platform_device->dev,
RFKILL_TYPE_GPS,
&asus_gps_rfkill_ops, asus);
if (!asus->gps_rfkill)
return -EINVAL;
result = rfkill_register(asus->gps_rfkill);
if (result) {
rfkill_destroy(asus->gps_rfkill);
asus->gps_rfkill = NULL;
}
return result;
}
static mode_t asus_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);
struct asus_laptop *asus = platform_get_drvdata(pdev);
acpi_handle handle = asus->handle;
bool supported;
if (attr == &dev_attr_wlan.attr) {
supported = !acpi_check_handle(handle, METHOD_WLAN, NULL);
} else if (attr == &dev_attr_bluetooth.attr) {
supported = !acpi_check_handle(handle, METHOD_BLUETOOTH, NULL);
} else if (attr == &dev_attr_display.attr) {
supported = !acpi_check_handle(handle, METHOD_SWITCH_DISPLAY, NULL);
} else if (attr == &dev_attr_ledd.attr) {
supported = !acpi_check_handle(handle, METHOD_LEDD, NULL);
} else if (attr == &dev_attr_ls_switch.attr ||
attr == &dev_attr_ls_level.attr) {
supported = !acpi_check_handle(handle, METHOD_ALS_CONTROL, NULL) &&
!acpi_check_handle(handle, METHOD_ALS_LEVEL, NULL);
} else if (attr == &dev_attr_gps.attr) {
supported = !acpi_check_handle(handle, METHOD_GPS_ON, NULL) &&
!acpi_check_handle(handle, METHOD_GPS_OFF, NULL) &&
!acpi_check_handle(handle, METHOD_GPS_STATUS, NULL);
} else {
supported = true;
}
return supported ? attr->mode : 0;
}
/* Ugly macro, need to fix that later */
static int asus_led_register(struct asus_laptop *asus,
struct asus_led *led,
const char *name, const char *method)
{
struct led_classdev *led_cdev = &led->led;
if (!method || acpi_check_handle(asus->handle, method, NULL))
return 0; /* Led not present */
led->asus = asus;
led->method = method;
INIT_WORK(&led->work, asus_led_cdev_update);
led_cdev->name = name;
led_cdev->brightness_set = asus_led_cdev_set;
led_cdev->brightness_get = asus_led_cdev_get;
led_cdev->max_brightness = 1;
return led_classdev_register(&asus->platform_device->dev, led_cdev);
}
/*
* This function is used to initialize the context with right values. In this
* method, we can make all the detection we want, and modify the asus_laptop
* struct
*/
static int asus_laptop_get_info(struct asus_laptop *asus)
{
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *model = NULL;
unsigned long long bsts_result, hwrs_result;
char *string = NULL;
acpi_status status;
/*
* Get DSDT headers early enough to allow for differentiating between
* models, but late enough to allow acpi_bus_register_driver() to fail
* before doing anything ACPI-specific. Should we encounter a machine,
* which needs special handling (i.e. its hotkey device has a different
* HID), this bit will be moved.
*/
status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus->dsdt_info);
if (ACPI_FAILURE(status))
pr_warning("Couldn't get the DSDT table header\n");
/* We have to write 0 on init this far for all ASUS models */
if (write_acpi_int_ret(asus->handle, "INIT", 0, &buffer)) {
pr_err("Hotkey initialization failed\n");
return -ENODEV;
}
/* This needs to be called for some laptops to init properly */
status =
acpi_evaluate_integer(asus->handle, "BSTS", NULL, &bsts_result);
if (ACPI_FAILURE(status))
pr_warning("Error calling BSTS\n");
else if (bsts_result)
pr_notice("BSTS called, 0x%02x returned\n",
(uint) bsts_result);
/* This too ... */
if (write_acpi_int(asus->handle, "CWAP", wapf))
pr_err("Error calling CWAP(%d)\n", wapf);
/*
* Try to match the object returned by INIT to the specific model.
* Handle every possible object (or the lack of thereof) the DSDT
* writers might throw at us. When in trouble, we pass NULL to
* asus_model_match() and try something completely different.
*/
if (buffer.pointer) {
model = buffer.pointer;
switch (model->type) {
case ACPI_TYPE_STRING:
string = model->string.pointer;
break;
case ACPI_TYPE_BUFFER:
string = model->buffer.pointer;
break;
default:
string = "";
break;
}
}
asus->name = kstrdup(string, GFP_KERNEL);
if (!asus->name) {
kfree(buffer.pointer);
return -ENOMEM;
}
if (*string)
pr_notice(" %s model detected\n", string);
/*
* The HWRS method return informations about the hardware.
* 0x80 bit is for WLAN, 0x100 for Bluetooth.
* The significance of others is yet to be found.
*/
status =
acpi_evaluate_integer(asus->handle, "HRWS", NULL, &hwrs_result);
if (!ACPI_FAILURE(status))
pr_notice(" HRWS returned %x", (int)hwrs_result);
if (!acpi_check_handle(asus->handle, METHOD_WL_STATUS, NULL))
asus->have_rsts = true;
/* Scheduled for removal */
ASUS_HANDLE_INIT(lcd_switch);
ASUS_HANDLE_INIT(display_get);
kfree(model);
return AE_OK;
}
static int asus_laptop_get_info(struct asus_laptop *asus)
{
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *model = NULL;
unsigned long long bsts_result, hwrs_result;
char *string = NULL;
acpi_status status;
status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus->dsdt_info);
if (ACPI_FAILURE(status))
pr_warn("Couldn't get the DSDT table header\n");
if (write_acpi_int_ret(asus->handle, "INIT", 0, &buffer)) {
pr_err("Hotkey initialization failed\n");
return -ENODEV;
}
status =
acpi_evaluate_integer(asus->handle, "BSTS", NULL, &bsts_result);
if (ACPI_FAILURE(status))
pr_warn("Error calling BSTS\n");
else if (bsts_result)
pr_notice("BSTS called, 0x%02x returned\n",
(uint) bsts_result);
if (write_acpi_int(asus->handle, "CWAP", wapf))
pr_err("Error calling CWAP(%d)\n", wapf);
if (buffer.pointer) {
model = buffer.pointer;
switch (model->type) {
case ACPI_TYPE_STRING:
string = model->string.pointer;
break;
case ACPI_TYPE_BUFFER:
string = model->buffer.pointer;
break;
default:
string = "";
break;
}
}
asus->name = kstrdup(string, GFP_KERNEL);
if (!asus->name) {
kfree(buffer.pointer);
return -ENOMEM;
}
if (*string)
pr_notice(" %s model detected\n", string);
status =
acpi_evaluate_integer(asus->handle, "HWRS", NULL, &hwrs_result);
if (!ACPI_FAILURE(status))
pr_notice(" HWRS returned %x", (int)hwrs_result);
if (!acpi_check_handle(asus->handle, METHOD_WL_STATUS, NULL))
asus->have_rsts = true;
kfree(model);
return AE_OK;
}
