diff options
Diffstat (limited to 'drivers/platform/x86/asus-laptop.c')
| -rw-r--r-- | drivers/platform/x86/asus-laptop.c | 176 |
1 files changed, 165 insertions, 11 deletions
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index 8fb8b3591048..56af6cf385b0 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -46,6 +46,7 @@ #include <acpi/acpi_drivers.h> #include <acpi/acpi_bus.h> #include <asm/uaccess.h> +#include <linux/input.h> #define ASUS_LAPTOP_VERSION "0.42" @@ -181,6 +182,8 @@ struct asus_hotk { u8 light_level; //light sensor level u8 light_switch; //light sensor switch value u16 event_count[128]; //count for each event TODO make this better + struct input_dev *inputdev; + u16 *keycode_map; }; /* @@ -250,6 +253,37 @@ ASUS_LED(rled, "record"); ASUS_LED(pled, "phone"); ASUS_LED(gled, "gaming"); +struct key_entry { + char type; + u8 code; + u16 keycode; +}; + +enum { KE_KEY, KE_END }; + +static struct key_entry asus_keymap[] = { + {KE_KEY, 0x30, KEY_VOLUMEUP}, + {KE_KEY, 0x31, KEY_VOLUMEDOWN}, + {KE_KEY, 0x32, KEY_MUTE}, + {KE_KEY, 0x33, KEY_SWITCHVIDEOMODE}, + {KE_KEY, 0x34, KEY_SWITCHVIDEOMODE}, + {KE_KEY, 0x40, KEY_PREVIOUSSONG}, + {KE_KEY, 0x41, KEY_NEXTSONG}, + {KE_KEY, 0x43, KEY_STOP}, + {KE_KEY, 0x45, KEY_PLAYPAUSE}, + {KE_KEY, 0x50, KEY_EMAIL}, + {KE_KEY, 0x51, KEY_WWW}, + {KE_KEY, 0x5C, BTN_EXTRA}, /* Performance */ + {KE_KEY, 0x5D, KEY_WLAN}, + {KE_KEY, 0x61, KEY_SWITCHVIDEOMODE}, + {KE_KEY, 0x6B, BTN_TOUCH}, /* Lock Mouse */ + {KE_KEY, 0x82, KEY_CAMERA}, + {KE_KEY, 0x8A, KEY_TV}, + {KE_KEY, 0x95, KEY_MEDIA}, + {KE_KEY, 0x99, KEY_PHONE}, + {KE_END, 0}, +}; + /* * This function evaluates an ACPI method, given an int as parameter, the * method is searched within the scope of the handle, can be NULL. The output @@ -720,8 +754,68 @@ static ssize_t store_gps(struct device *dev, struct device_attribute *attr, return store_status(buf, count, NULL, GPS_ON); } +/* + * Hotkey functions + */ +static struct key_entry *asus_get_entry_by_scancode(int code) +{ + struct key_entry *key; + + for (key = asus_keymap; key->type != KE_END; key++) + if (code == key->code) + return key; + + return NULL; +} + +static struct key_entry *asus_get_entry_by_keycode(int code) +{ + struct key_entry *key; + + for (key = asus_keymap; key->type != KE_END; key++) + if (code == key->keycode && key->type == KE_KEY) + return key; + + return NULL; +} + +static int asus_getkeycode(struct input_dev *dev, int scancode, int *keycode) +{ + struct key_entry *key = asus_get_entry_by_scancode(scancode); + + if (key && key->type == KE_KEY) { + *keycode = key->keycode; + return 0; + } + + return -EINVAL; +} + +static int asus_setkeycode(struct input_dev *dev, int scancode, int keycode) +{ + struct key_entry *key; + int old_keycode; + + if (keycode < 0 || keycode > KEY_MAX) + return -EINVAL; + + key = asus_get_entry_by_scancode(scancode); + if (key && key->type == KE_KEY) { + old_keycode = key->keycode; + key->keycode = keycode; + set_bit(keycode, dev->keybit); + if (!asus_get_entry_by_keycode(old_keycode)) + clear_bit(old_keycode, dev->keybit); + return 0; + } + + return -EINVAL; +} + static void asus_hotk_notify(acpi_handle handle, u32 event, void *data) { + static struct key_entry *key; + /* TODO Find a better way to handle events count. */ if (!hotk) return; @@ -738,10 +832,24 @@ static void asus_hotk_notify(acpi_handle handle, u32 event, void *data) lcd_blank(FB_BLANK_POWERDOWN); } - acpi_bus_generate_proc_event(hotk->device, event, - hotk->event_count[event % 128]++); - - return; + acpi_bus_generate_netlink_event(hotk->device->pnp.device_class, + dev_name(&hotk->device->dev), event, + hotk->event_count[event % 128]++); + + if (hotk->inputdev) { + key = asus_get_entry_by_scancode(event); + if (!key) + return ; + + switch (key->type) { + case KE_KEY: + input_report_key(hotk->inputdev, key->keycode, 1); + input_sync(hotk->inputdev); + input_report_key(hotk->inputdev, key->keycode, 0); + input_sync(hotk->inputdev); + break; + } + } } #define ASUS_CREATE_DEVICE_ATTR(_name) \ @@ -959,6 +1067,38 @@ static int asus_hotk_get_info(void) return AE_OK; } +static int asus_input_init(void) +{ + const struct key_entry *key; + int result; + + hotk->inputdev = input_allocate_device(); + if (!hotk->inputdev) { + printk(ASUS_INFO "Unable to allocate input device\n"); + return 0; + } + hotk->inputdev->name = "Asus Laptop extra buttons"; + hotk->inputdev->phys = ASUS_HOTK_FILE "/input0"; + hotk->inputdev->id.bustype = BUS_HOST; + hotk->inputdev->getkeycode = asus_getkeycode; + hotk->inputdev->setkeycode = asus_setkeycode; + + for (key = asus_keymap; key->type != KE_END; key++) { + switch (key->type) { + case KE_KEY: + set_bit(EV_KEY, hotk->inputdev->evbit); + set_bit(key->keycode, hotk->inputdev->keybit); + break; + } + } + result = input_register_device(hotk->inputdev); + if (result) { + printk(ASUS_INFO "Unable to register input device\n"); + input_free_device(hotk->inputdev); + } + return result; +} + static int asus_hotk_check(void) { int result = 0; @@ -1044,7 +1184,7 @@ static int asus_hotk_add(struct acpi_device *device) /* GPS is on by default */ write_status(NULL, 1, GPS_ON); - end: +end: if (result) { kfree(hotk->name); kfree(hotk); @@ -1091,10 +1231,17 @@ static void asus_led_exit(void) ASUS_LED_UNREGISTER(gled); } +static void asus_input_exit(void) +{ + if (hotk->inputdev) + input_unregister_device(hotk->inputdev); +} + static void __exit asus_laptop_exit(void) { asus_backlight_exit(); asus_led_exit(); + asus_input_exit(); acpi_bus_unregister_driver(&asus_hotk_driver); sysfs_remove_group(&asuspf_device->dev.kobj, &asuspf_attribute_group); @@ -1216,6 +1363,10 @@ static int __init asus_laptop_init(void) printk(ASUS_INFO "Brightness ignored, must be controlled by " "ACPI video driver\n"); + result = asus_input_init(); + if (result) + goto fail_input; + result = asus_led_init(dev); if (result) goto fail_led; @@ -1242,22 +1393,25 @@ static int __init asus_laptop_init(void) return 0; - fail_sysfs: +fail_sysfs: platform_device_del(asuspf_device); - fail_platform_device2: +fail_platform_device2: platform_device_put(asuspf_device); - fail_platform_device1: +fail_platform_device1: platform_driver_unregister(&asuspf_driver); - fail_platform_driver: +fail_platform_driver: asus_led_exit(); - fail_led: +fail_led: + asus_input_exit(); + +fail_input: asus_backlight_exit(); - fail_backlight: +fail_backlight: return result; } |
