#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/backlight.h>
-#include <linux/rfkill.h>
#include <linux/input.h>
#include <linux/input/sparse-keymap.h>
#include <linux/leds.h>
struct toshiba_acpi_dev {
struct acpi_device *acpi_dev;
const char *method_hci;
- struct rfkill *bt_rfk;
struct input_dev *hotkey_dev;
struct work_struct hotkey_work;
struct backlight_device *backlight_dev;
unsigned int panel_power_on_supported:1;
unsigned int usb_three_supported:1;
unsigned int sysfs_created:1;
-
- struct mutex mutex;
};
static struct toshiba_acpi_dev *toshiba_acpi;
return 0;
}
-/* Bluetooth rfkill handlers */
-
-static u32 hci_get_bt_present(struct toshiba_acpi_dev *dev, bool *present)
-{
- u32 hci_result;
- u32 value, value2;
-
- value = 0;
- value2 = 0;
- hci_result = hci_read2(dev, HCI_WIRELESS, &value, &value2);
- if (hci_result == TOS_SUCCESS)
- *present = (value & HCI_WIRELESS_BT_PRESENT) ? true : false;
-
- return hci_result;
-}
-
-static u32 hci_get_radio_state(struct toshiba_acpi_dev *dev, bool *radio_state)
-{
- u32 hci_result;
- u32 value, value2;
-
- value = 0;
- value2 = 0x0001;
- hci_result = hci_read2(dev, HCI_WIRELESS, &value, &value2);
-
- *radio_state = value & HCI_WIRELESS_KILL_SWITCH;
- return hci_result;
-}
-
-static int bt_rfkill_set_block(void *data, bool blocked)
-{
- struct toshiba_acpi_dev *dev = data;
- u32 result1, result2;
- u32 value;
- int err;
- bool radio_state;
-
- value = (blocked == false);
-
- mutex_lock(&dev->mutex);
- if (hci_get_radio_state(dev, &radio_state) != TOS_SUCCESS) {
- err = -EIO;
- goto out;
- }
-
- if (!radio_state) {
- err = 0;
- goto out;
- }
-
- result1 = hci_write2(dev, HCI_WIRELESS, value, HCI_WIRELESS_BT_POWER);
- result2 = hci_write2(dev, HCI_WIRELESS, value, HCI_WIRELESS_BT_ATTACH);
-
- if (result1 != TOS_SUCCESS || result2 != TOS_SUCCESS)
- err = -EIO;
- else
- err = 0;
- out:
- mutex_unlock(&dev->mutex);
- return err;
-}
-
-static void bt_rfkill_poll(struct rfkill *rfkill, void *data)
-{
- bool new_rfk_state;
- bool value;
- u32 hci_result;
- struct toshiba_acpi_dev *dev = data;
-
- mutex_lock(&dev->mutex);
-
- hci_result = hci_get_radio_state(dev, &value);
- if (hci_result != TOS_SUCCESS) {
- /* Can't do anything useful */
- mutex_unlock(&dev->mutex);
- return;
- }
-
- new_rfk_state = value;
-
- mutex_unlock(&dev->mutex);
-
- if (rfkill_set_hw_state(rfkill, !new_rfk_state))
- bt_rfkill_set_block(data, true);
-}
-
-static const struct rfkill_ops toshiba_rfk_ops = {
- .set_block = bt_rfkill_set_block,
- .poll = bt_rfkill_poll,
-};
-
static int get_tr_backlight_status(struct toshiba_acpi_dev *dev, bool *enabled)
{
u32 hci_result;
sparse_keymap_free(dev->hotkey_dev);
}
- if (dev->bt_rfk) {
- rfkill_unregister(dev->bt_rfk);
- rfkill_destroy(dev->bt_rfk);
- }
-
backlight_device_unregister(dev->backlight_dev);
if (dev->illumination_supported)
const char *hci_method;
u32 special_functions;
u32 dummy;
- bool bt_present;
int ret = 0;
if (toshiba_acpi)
if (toshiba_acpi_setup_keyboard(dev))
pr_info("Unable to activate hotkeys\n");
- mutex_init(&dev->mutex);
-
ret = toshiba_acpi_setup_backlight(dev);
if (ret)
goto error;
- /* Register rfkill switch for Bluetooth */
- if (hci_get_bt_present(dev, &bt_present) == TOS_SUCCESS && bt_present) {
- dev->bt_rfk = rfkill_alloc("Toshiba Bluetooth",
- &acpi_dev->dev,
- RFKILL_TYPE_BLUETOOTH,
- &toshiba_rfk_ops,
- dev);
- if (!dev->bt_rfk) {
- pr_err("unable to allocate rfkill device\n");
- ret = -ENOMEM;
- goto error;
- }
-
- ret = rfkill_register(dev->bt_rfk);
- if (ret) {
- pr_err("unable to register rfkill device\n");
- rfkill_destroy(dev->bt_rfk);
- goto error;
- }
- }
-
if (toshiba_illumination_available(dev)) {
dev->led_dev.name = "toshiba::illumination";
dev->led_dev.max_brightness = 1;