diff options
Diffstat (limited to 'drivers/hid/hid-apple.c')
| -rw-r--r-- | drivers/hid/hid-apple.c | 472 |
1 files changed, 472 insertions, 0 deletions
diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c new file mode 100644 index 0000000..9b97795 --- /dev/null +++ b/drivers/hid/hid-apple.c @@ -0,0 +1,472 @@ +/* + * USB HID quirks support for Linux + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby <jirislaby@gmail.com> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> +#include <linux/usb.h> + +#include "hid-ids.h" + +#define APPLE_RDESC_JIS 0x0001 +#define APPLE_IGNORE_MOUSE 0x0002 +#define APPLE_HAS_FN 0x0004 +#define APPLE_HIDDEV 0x0008 +#define APPLE_ISO_KEYBOARD 0x0010 +#define APPLE_MIGHTYMOUSE 0x0020 +#define APPLE_INVERT_HWHEEL 0x0040 +#define APPLE_IGNORE_HIDINPUT 0x0080 +#define APPLE_NUMLOCK_EMULATION 0x0100 + +#define APPLE_FLAG_FKEY 0x01 + +static unsigned int fnmode = 1; +module_param(fnmode, uint, 0644); +MODULE_PARM_DESC(fnmode, "Mode of fn key on Apple keyboards (0 = disabled, " + "[1] = fkeyslast, 2 = fkeysfirst)"); + +struct apple_sc { + unsigned long quirks; + unsigned int fn_on; + DECLARE_BITMAP(pressed_fn, KEY_CNT); + DECLARE_BITMAP(pressed_numlock, KEY_CNT); +}; + +struct apple_key_translation { + u16 from; + u16 to; + u8 flags; +}; + +static struct apple_key_translation apple_fn_keys[] = { + { KEY_BACKSPACE, KEY_DELETE }, + { KEY_ENTER, KEY_INSERT }, + { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY }, + { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY }, + { KEY_F3, KEY_SCALE, APPLE_FLAG_FKEY }, + { KEY_F4, KEY_DASHBOARD, APPLE_FLAG_FKEY }, + { KEY_F5, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY }, + { KEY_F6, KEY_KBDILLUMUP, APPLE_FLAG_FKEY }, + { KEY_F7, KEY_PREVIOUSSONG, APPLE_FLAG_FKEY }, + { KEY_F8, KEY_PLAYPAUSE, APPLE_FLAG_FKEY }, + { KEY_F9, KEY_NEXTSONG, APPLE_FLAG_FKEY }, + { KEY_F10, KEY_MUTE, APPLE_FLAG_FKEY }, + { KEY_F11, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY }, + { KEY_F12, KEY_VOLUMEUP, APPLE_FLAG_FKEY }, + { KEY_UP, KEY_PAGEUP }, + { KEY_DOWN, KEY_PAGEDOWN }, + { KEY_LEFT, KEY_HOME }, + { KEY_RIGHT, KEY_END }, + { } +}; + +static struct apple_key_translation powerbook_fn_keys[] = { + { KEY_BACKSPACE, KEY_DELETE }, + { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY }, + { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY }, + { KEY_F3, KEY_MUTE, APPLE_FLAG_FKEY }, + { KEY_F4, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY }, + { KEY_F5, KEY_VOLUMEUP, APPLE_FLAG_FKEY }, + { KEY_F6, KEY_NUMLOCK, APPLE_FLAG_FKEY }, + { KEY_F7, KEY_SWITCHVIDEOMODE, APPLE_FLAG_FKEY }, + { KEY_F8, KEY_KBDILLUMTOGGLE, APPLE_FLAG_FKEY }, + { KEY_F9, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY }, + { KEY_F10, KEY_KBDILLUMUP, APPLE_FLAG_FKEY }, + { KEY_UP, KEY_PAGEUP }, + { KEY_DOWN, KEY_PAGEDOWN }, + { KEY_LEFT, KEY_HOME }, + { KEY_RIGHT, KEY_END }, + { } +}; + +static struct apple_key_translation powerbook_numlock_keys[] = { + { KEY_J, KEY_KP1 }, + { KEY_K, KEY_KP2 }, + { KEY_L, KEY_KP3 }, + { KEY_U, KEY_KP4 }, + { KEY_I, KEY_KP5 }, + { KEY_O, KEY_KP6 }, + { KEY_7, KEY_KP7 }, + { KEY_8, KEY_KP8 }, + { KEY_9, KEY_KP9 }, + { KEY_M, KEY_KP0 }, + { KEY_DOT, KEY_KPDOT }, + { KEY_SLASH, KEY_KPPLUS }, + { KEY_SEMICOLON, KEY_KPMINUS }, + { KEY_P, KEY_KPASTERISK }, + { KEY_MINUS, KEY_KPEQUAL }, + { KEY_0, KEY_KPSLASH }, + { KEY_F6, KEY_NUMLOCK }, + { KEY_KPENTER, KEY_KPENTER }, + { KEY_BACKSPACE, KEY_BACKSPACE }, + { } +}; + +static struct apple_key_translation apple_iso_keyboard[] = { + { KEY_GRAVE, KEY_102ND }, + { KEY_102ND, KEY_GRAVE }, + { } +}; + +static struct apple_key_translation *apple_find_translation( + struct apple_key_translation *table, u16 from) +{ + struct apple_key_translation *trans; + + /* Look for the translation */ + for (trans = table; trans->from; trans++) + if (trans->from == from) + return trans; + + return NULL; +} + +static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input, + struct hid_usage *usage, __s32 value) +{ + struct apple_sc *asc = hid_get_drvdata(hid); + struct apple_key_translation *trans; + + if (usage->code == KEY_FN) { + asc->fn_on = !!value; + input_event(input, usage->type, usage->code, value); + return 1; + } + + if (fnmode) { + int do_translate; + + trans = apple_find_translation((hid->product < 0x220 || + hid->product >= 0x300) ? + powerbook_fn_keys : apple_fn_keys, + usage->code); + if (trans) { + if (test_bit(usage->code, asc->pressed_fn)) + do_translate = 1; + else if (trans->flags & APPLE_FLAG_FKEY) + do_translate = (fnmode == 2 && asc->fn_on) || + (fnmode == 1 && !asc->fn_on); + else + do_translate = asc->fn_on; + + if (do_translate) { + if (value) + set_bit(usage->code, asc->pressed_fn); + else + clear_bit(usage->code, asc->pressed_fn); + + input_event(input, usage->type, trans->to, + value); + + return 1; + } + } + + if (asc->quirks & APPLE_NUMLOCK_EMULATION && + (test_bit(usage->code, asc->pressed_numlock) || + test_bit(LED_NUML, input->led))) { + trans = apple_find_translation(powerbook_numlock_keys, + usage->code); + + if (trans) { + if (value) + set_bit(usage->code, + asc->pressed_numlock); + else + clear_bit(usage->code, + asc->pressed_numlock); + + input_event(input, usage->type, trans->to, + value); + } + + return 1; + } + } + + if (asc->quirks & APPLE_ISO_KEYBOARD) { + trans = apple_find_translation(apple_iso_keyboard, usage->code); + if (trans) { + input_event(input, usage->type, trans->to, value); + return 1; + } + } + + return 0; +} + +static int apple_event(struct hid_device *hdev, struct hid_field *field, + struct hid_usage *usage, __s32 value) +{ + struct apple_sc *asc = hid_get_drvdata(hdev); + + if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput || + !usage->type) + return 0; + + if ((asc->quirks & APPLE_INVERT_HWHEEL) && + usage->code == REL_HWHEEL) { + input_event(field->hidinput->input, usage->type, usage->code, + -value); + return 1; + } + + if ((asc->quirks & APPLE_HAS_FN) && + hidinput_apple_event(hdev, field->hidinput->input, + usage, value)) + return 1; + + + return 0; +} + +/* + * MacBook JIS keyboard has wrong logical maximum + */ +static void apple_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int rsize) +{ + struct apple_sc *asc = hid_get_drvdata(hdev); + + if ((asc->quirks & APPLE_RDESC_JIS) && rsize >= 60 && + rdesc[53] == 0x65 && rdesc[59] == 0x65) { + dev_info(&hdev->dev, "fixing up MacBook JIS keyboard report " + "descriptor\n"); + rdesc[53] = rdesc[59] = 0xe7; + } +} + +static void apple_setup_input(struct input_dev *input) +{ + struct apple_key_translation *trans; + + set_bit(KEY_NUMLOCK, input->keybit); + + /* Enable all needed keys */ + for (trans = apple_fn_keys; trans->from; trans++) + set_bit(trans->to, input->keybit); + + for (trans = powerbook_fn_keys; trans->from; trans++) + set_bit(trans->to, input->keybit); + + for (trans = powerbook_numlock_keys; trans->from; trans++) + set_bit(trans->to, input->keybit); + + for (trans = apple_iso_keyboard; trans->from; trans++) + set_bit(trans->to, input->keybit); +} + +static int apple_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if (usage->hid == (HID_UP_CUSTOM | 0x0003)) { + /* The fn key on Apple USB keyboards */ + set_bit(EV_REP, hi->input->evbit); + hid_map_usage_clear(hi, usage, bit, max, EV_KEY, KEY_FN); + apple_setup_input(hi->input); + return 1; + } + + /* we want the hid layer to go through standard path (set and ignore) */ + return 0; +} + +static int apple_input_mapped(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + struct apple_sc *asc = hid_get_drvdata(hdev); + + if (asc->quirks & APPLE_MIGHTYMOUSE) { + if (usage->hid == HID_GD_Z) + hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL); + else if (usage->code == BTN_1) + hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_2); + else if (usage->code == BTN_2) + hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_1); + } + + return 0; +} + +static int apple_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + unsigned long quirks = id->driver_data; + struct apple_sc *asc; + unsigned int connect_mask = HID_CONNECT_DEFAULT; + int ret; + + asc = kzalloc(sizeof(*asc), GFP_KERNEL); + if (asc == NULL) { + dev_err(&hdev->dev, "can't alloc apple descriptor\n"); + return -ENOMEM; + } + + asc->quirks = quirks; + + hid_set_drvdata(hdev, asc); + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err_free; + } + + if (quirks & APPLE_HIDDEV) + connect_mask |= HID_CONNECT_HIDDEV_FORCE; + if (quirks & APPLE_IGNORE_HIDINPUT) + connect_mask &= ~HID_CONNECT_HIDINPUT; + + ret = hid_hw_start(hdev, connect_mask); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err_free; + } + + return 0; +err_free: + kfree(asc); + return ret; +} + +static void apple_remove(struct hid_device *hdev) +{ + hid_hw_stop(hdev); + kfree(hid_get_drvdata(hdev)); +} + +static const struct hid_device_id apple_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL), + .driver_data = APPLE_HIDDEV | APPLE_IGNORE_HIDINPUT }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4), + .driver_data = APPLE_HIDDEV | APPLE_IGNORE_HIDINPUT }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE), + .driver_data = APPLE_MIGHTYMOUSE | APPLE_INVERT_HWHEEL }, + + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS), + .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS), + .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS), + .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + + /* Apple wireless Mighty Mouse */ + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, 0x030c), + .driver_data = APPLE_MIGHTYMOUSE | APPLE_INVERT_HWHEEL }, + + { } +}; +MODULE_DEVICE_TABLE(hid, apple_devices); + +static struct hid_driver apple_driver = { + .name = "apple", + .id_table = apple_devices, + .report_fixup = apple_report_fixup, + .probe = apple_probe, + .remove = apple_remove, + .event = apple_event, + .input_mapping = apple_input_mapping, + .input_mapped = apple_input_mapped, +}; + +static int apple_init(void) +{ + int ret; + + ret = hid_register_driver(&apple_driver); + if (ret) + printk(KERN_ERR "can't register apple driver\n"); + + return ret; +} + +static void apple_exit(void) +{ + hid_unregister_driver(&apple_driver); +} + +module_init(apple_init); +module_exit(apple_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(apple); |