diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/input/keyboard/maple_keyb.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/input/keyboard/maple_keyb.c | 260 |
1 files changed, 0 insertions, 260 deletions
diff --git a/ANDROID_3.4.5/drivers/input/keyboard/maple_keyb.c b/ANDROID_3.4.5/drivers/input/keyboard/maple_keyb.c deleted file mode 100644 index 5aa2361a..00000000 --- a/ANDROID_3.4.5/drivers/input/keyboard/maple_keyb.c +++ /dev/null @@ -1,260 +0,0 @@ -/* - * SEGA Dreamcast keyboard driver - * Based on drivers/usb/usbkbd.c - * Copyright (c) YAEGASHI Takeshi, 2001 - * Porting to 2.6 Copyright (c) Adrian McMenamin, 2007 - 2009 - * - * 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/input.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/timer.h> -#include <linux/maple.h> - -/* Very simple mutex to ensure proper cleanup */ -static DEFINE_MUTEX(maple_keyb_mutex); - -#define NR_SCANCODES 256 - -MODULE_AUTHOR("Adrian McMenamin <adrian@mcmen.demon.co.uk"); -MODULE_DESCRIPTION("SEGA Dreamcast keyboard driver"); -MODULE_LICENSE("GPL"); - -struct dc_kbd { - struct input_dev *dev; - unsigned short keycode[NR_SCANCODES]; - unsigned char new[8]; - unsigned char old[8]; -}; - -static const unsigned short dc_kbd_keycode[NR_SCANCODES] = { - KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_A, KEY_B, - KEY_C, KEY_D, KEY_E, KEY_F, KEY_G, KEY_H, KEY_I, KEY_J, KEY_K, KEY_L, - KEY_M, KEY_N, KEY_O, KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T, KEY_U, KEY_V, - KEY_W, KEY_X, KEY_Y, KEY_Z, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, - KEY_7, KEY_8, KEY_9, KEY_0, KEY_ENTER, KEY_ESC, KEY_BACKSPACE, - KEY_TAB, KEY_SPACE, KEY_MINUS, KEY_EQUAL, KEY_LEFTBRACE, - KEY_RIGHTBRACE, KEY_BACKSLASH, KEY_BACKSLASH, KEY_SEMICOLON, - KEY_APOSTROPHE, KEY_GRAVE, KEY_COMMA, KEY_DOT, KEY_SLASH, - KEY_CAPSLOCK, KEY_F1, KEY_F2, KEY_F3, KEY_F4, KEY_F5, KEY_F6, - KEY_F7, KEY_F8, KEY_F9, KEY_F10, KEY_F11, KEY_F12, KEY_SYSRQ, - KEY_SCROLLLOCK, KEY_PAUSE, KEY_INSERT, KEY_HOME, KEY_PAGEUP, - KEY_DELETE, KEY_END, KEY_PAGEDOWN, KEY_RIGHT, KEY_LEFT, KEY_DOWN, - KEY_UP, KEY_NUMLOCK, KEY_KPSLASH, KEY_KPASTERISK, KEY_KPMINUS, - KEY_KPPLUS, KEY_KPENTER, KEY_KP1, KEY_KP2, KEY_KP3, KEY_KP4, KEY_KP5, - KEY_KP6, KEY_KP7, KEY_KP8, KEY_KP9, KEY_KP0, KEY_KPDOT, KEY_102ND, - KEY_COMPOSE, KEY_POWER, KEY_KPEQUAL, KEY_F13, KEY_F14, KEY_F15, - KEY_F16, KEY_F17, KEY_F18, KEY_F19, KEY_F20, KEY_F21, KEY_F22, - KEY_F23, KEY_F24, KEY_OPEN, KEY_HELP, KEY_PROPS, KEY_FRONT, KEY_STOP, - KEY_AGAIN, KEY_UNDO, KEY_CUT, KEY_COPY, KEY_PASTE, KEY_FIND, KEY_MUTE, - KEY_VOLUMEUP, KEY_VOLUMEDOWN, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, - KEY_KPCOMMA, KEY_RESERVED, KEY_RO, KEY_KATAKANAHIRAGANA , KEY_YEN, - KEY_HENKAN, KEY_MUHENKAN, KEY_KPJPCOMMA, KEY_RESERVED, KEY_RESERVED, - KEY_RESERVED, KEY_HANGEUL, KEY_HANJA, KEY_KATAKANA, KEY_HIRAGANA, - KEY_ZENKAKUHANKAKU, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, - KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, - KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, - KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, - KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, - KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, - KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, - KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, - KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, - KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, - KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, - KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, - KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, - KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, - KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, - KEY_RESERVED, KEY_RESERVED, KEY_LEFTCTRL, KEY_LEFTSHIFT, KEY_LEFTALT, - KEY_LEFTMETA, KEY_RIGHTCTRL, KEY_RIGHTSHIFT, KEY_RIGHTALT, - KEY_RIGHTMETA, KEY_PLAYPAUSE, KEY_STOPCD, KEY_PREVIOUSSONG, - KEY_NEXTSONG, KEY_EJECTCD, KEY_VOLUMEUP, KEY_VOLUMEDOWN, KEY_MUTE, - KEY_WWW, KEY_BACK, KEY_FORWARD, KEY_STOP, KEY_FIND, KEY_SCROLLUP, - KEY_SCROLLDOWN, KEY_EDIT, KEY_SLEEP, KEY_SCREENLOCK, KEY_REFRESH, - KEY_CALC, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED -}; - -static void dc_scan_kbd(struct dc_kbd *kbd) -{ - struct input_dev *dev = kbd->dev; - void *ptr; - int code, keycode; - int i; - - for (i = 0; i < 8; i++) { - code = i + 224; - keycode = kbd->keycode[code]; - input_event(dev, EV_MSC, MSC_SCAN, code); - input_report_key(dev, keycode, (kbd->new[0] >> i) & 1); - } - - for (i = 2; i < 8; i++) { - ptr = memchr(kbd->new + 2, kbd->old[i], 6); - code = kbd->old[i]; - if (code > 3 && ptr == NULL) { - keycode = kbd->keycode[code]; - if (keycode) { - input_event(dev, EV_MSC, MSC_SCAN, code); - input_report_key(dev, keycode, 0); - } else - dev_dbg(&dev->dev, - "Unknown key (scancode %#x) released.", - code); - } - ptr = memchr(kbd->old + 2, kbd->new[i], 6); - code = kbd->new[i]; - if (code > 3 && ptr) { - keycode = kbd->keycode[code]; - if (keycode) { - input_event(dev, EV_MSC, MSC_SCAN, code); - input_report_key(dev, keycode, 1); - } else - dev_dbg(&dev->dev, - "Unknown key (scancode %#x) pressed.", - code); - } - } - input_sync(dev); - memcpy(kbd->old, kbd->new, 8); -} - -static void dc_kbd_callback(struct mapleq *mq) -{ - struct maple_device *mapledev = mq->dev; - struct dc_kbd *kbd = maple_get_drvdata(mapledev); - unsigned long *buf = (unsigned long *)(mq->recvbuf->buf); - - /* - * We should always get the lock because the only - * time it may be locked is if the driver is in the cleanup phase. - */ - if (likely(mutex_trylock(&maple_keyb_mutex))) { - - if (buf[1] == mapledev->function) { - memcpy(kbd->new, buf + 2, 8); - dc_scan_kbd(kbd); - } - - mutex_unlock(&maple_keyb_mutex); - } -} - -static int probe_maple_kbd(struct device *dev) -{ - struct maple_device *mdev; - struct maple_driver *mdrv; - int i, error; - struct dc_kbd *kbd; - struct input_dev *idev; - - mdev = to_maple_dev(dev); - mdrv = to_maple_driver(dev->driver); - - kbd = kzalloc(sizeof(struct dc_kbd), GFP_KERNEL); - if (!kbd) { - error = -ENOMEM; - goto fail; - } - - idev = input_allocate_device(); - if (!idev) { - error = -ENOMEM; - goto fail_idev_alloc; - } - - kbd->dev = idev; - memcpy(kbd->keycode, dc_kbd_keycode, sizeof(kbd->keycode)); - - idev->name = mdev->product_name; - idev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP); - idev->keycode = kbd->keycode; - idev->keycodesize = sizeof(unsigned short); - idev->keycodemax = ARRAY_SIZE(kbd->keycode); - idev->id.bustype = BUS_HOST; - idev->dev.parent = &mdev->dev; - - for (i = 0; i < NR_SCANCODES; i++) - __set_bit(dc_kbd_keycode[i], idev->keybit); - __clear_bit(KEY_RESERVED, idev->keybit); - - input_set_capability(idev, EV_MSC, MSC_SCAN); - input_set_drvdata(idev, kbd); - - error = input_register_device(idev); - if (error) - goto fail_register; - - /* Maple polling is locked to VBLANK - which may be just 50/s */ - maple_getcond_callback(mdev, dc_kbd_callback, HZ/50, - MAPLE_FUNC_KEYBOARD); - - mdev->driver = mdrv; - - maple_set_drvdata(mdev, kbd); - - return error; - -fail_register: - maple_set_drvdata(mdev, NULL); - input_free_device(idev); -fail_idev_alloc: - kfree(kbd); -fail: - return error; -} - -static int remove_maple_kbd(struct device *dev) -{ - struct maple_device *mdev = to_maple_dev(dev); - struct dc_kbd *kbd = maple_get_drvdata(mdev); - - mutex_lock(&maple_keyb_mutex); - - input_unregister_device(kbd->dev); - kfree(kbd); - - maple_set_drvdata(mdev, NULL); - - mutex_unlock(&maple_keyb_mutex); - return 0; -} - -static struct maple_driver dc_kbd_driver = { - .function = MAPLE_FUNC_KEYBOARD, - .drv = { - .name = "Dreamcast_keyboard", - .probe = probe_maple_kbd, - .remove = remove_maple_kbd, - }, -}; - -static int __init dc_kbd_init(void) -{ - return maple_driver_register(&dc_kbd_driver); -} - -static void __exit dc_kbd_exit(void) -{ - maple_driver_unregister(&dc_kbd_driver); -} - -module_init(dc_kbd_init); -module_exit(dc_kbd_exit); |