/* * atakbd.c * * Copyright (c) 2005 Michael Schmitz * * Based on amikbd.c, which is * * Copyright (c) 2000-2001 Vojtech Pavlik * * Based on the work of: * Hamish Macdonald */ /* * Atari keyboard driver for Linux/m68k * * The low level init and interrupt stuff is handled in arch/mm68k/atari/atakeyb.c * (the keyboard ACIA also handles the mouse and joystick data, and the keyboard * interrupt is shared with the MIDI ACIA so MIDI data also get handled there). * This driver only deals with handing key events off to the input layer. */ /* * 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, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Should you need to contact me, the author, you can do so either by * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic */ #include <linux/module.h> #include <linux/init.h> #include <linux/input.h> #include <linux/delay.h> #include <linux/interrupt.h> #include <asm/atariints.h> #include <asm/atarihw.h> #include <asm/atarikb.h> #include <asm/irq.h> MODULE_AUTHOR("Michael Schmitz <schmitz@biophys.uni-duesseldorf.de>"); MODULE_DESCRIPTION("Atari keyboard driver"); MODULE_LICENSE("GPL"); /* 0x47: KP_7 71 0x48: KP_8 72 0x49: KP_9 73 0x62: KP_/ 98 0x4b: KP_4 75 0x4c: KP_5 76 0x4d: KP_6 77 0x37: KP_* 55 0x4f: KP_1 79 0x50: KP_2 80 0x51: KP_3 81 0x4a: KP_- 74 0x52: KP_0 82 0x53: KP_. 83 0x4e: KP_+ 78 0x67: Up 103 0x6c: Down 108 0x69: Left 105 0x6a: Right 106 */ static unsigned char atakbd_keycode[0x72] = { /* American layout */ [0] = KEY_GRAVE, [1] = KEY_ESC, [2] = KEY_1, [3] = KEY_2, [4] = KEY_3, [5] = KEY_4, [6] = KEY_5, [7] = KEY_6, [8] = KEY_7, [9] = KEY_8, [10] = KEY_9, [11] = KEY_0, [12] = KEY_MINUS, [13] = KEY_EQUAL, [14] = KEY_BACKSPACE, [15] = KEY_TAB, [16] = KEY_Q, [17] = KEY_W, [18] = KEY_E, [19] = KEY_R, [20] = KEY_T, [21] = KEY_Y, [22] = KEY_U, [23] = KEY_I, [24] = KEY_O, [25] = KEY_P, [26] = KEY_LEFTBRACE, [27] = KEY_RIGHTBRACE, [28] = KEY_ENTER, [29] = KEY_LEFTCTRL, [30] = KEY_A, [31] = KEY_S, [32] = KEY_D, [33] = KEY_F, [34] = KEY_G, [35] = KEY_H, [36] = KEY_J, [37] = KEY_K, [38] = KEY_L, [39] = KEY_SEMICOLON, [40] = KEY_APOSTROPHE, [41] = KEY_BACKSLASH, /* FIXME, '#' */ [42] = KEY_LEFTSHIFT, [43] = KEY_GRAVE, /* FIXME: '~' */ [44] = KEY_Z, [45] = KEY_X, [46] = KEY_C, [47] = KEY_V, [48] = KEY_B, [49] = KEY_N, [50] = KEY_M, [51] = KEY_COMMA, [52] = KEY_DOT, [53] = KEY_SLASH, [54] = KEY_RIGHTSHIFT, [55] = KEY_KPASTERISK, [56] = KEY_LEFTALT, [57] = KEY_SPACE, [58] = KEY_CAPSLOCK, [59] = KEY_F1, [60] = KEY_F2, [61] = KEY_F3, [62] = KEY_F4, [63] = KEY_F5, [64] = KEY_F6, [65] = KEY_F7, [66] = KEY_F8, [67] = KEY_F9, [68] = KEY_F10, [69] = KEY_ESC, [70] = KEY_DELETE, [71] = KEY_KP7, [72] = KEY_KP8, [73] = KEY_KP9, [74] = KEY_KPMINUS, [75] = KEY_KP4, [76] = KEY_KP5, [77] = KEY_KP6, [78] = KEY_KPPLUS, [79] = KEY_KP1, [80] = KEY_KP2, [81] = KEY_KP3, [82] = KEY_KP0, [83] = KEY_KPDOT, [90] = KEY_KPLEFTPAREN, [91] = KEY_KPRIGHTPAREN, [92] = KEY_KPASTERISK, /* FIXME */ [93] = KEY_KPASTERISK, [94] = KEY_KPPLUS, [95] = KEY_HELP, [96] = KEY_BACKSLASH, /* FIXME: '<' */ [97] = KEY_KPASTERISK, /* FIXME */ [98] = KEY_KPSLASH, [99] = KEY_KPLEFTPAREN, [100] = KEY_KPRIGHTPAREN, [101] = KEY_KPSLASH, [102] = KEY_KPASTERISK, [103] = KEY_UP, [104] = KEY_KPASTERISK, /* FIXME */ [105] = KEY_LEFT, [106] = KEY_RIGHT, [107] = KEY_KPASTERISK, /* FIXME */ [108] = KEY_DOWN, [109] = KEY_KPASTERISK, /* FIXME */ [110] = KEY_KPASTERISK, /* FIXME */ [111] = KEY_KPASTERISK, /* FIXME */ [112] = KEY_KPASTERISK, /* FIXME */ [113] = KEY_KPASTERISK /* FIXME */ }; static struct input_dev *atakbd_dev; static void atakbd_interrupt(unsigned char scancode, char down) { if (scancode < 0x72) { /* scancodes < 0xf2 are keys */ // report raw events here? scancode = atakbd_keycode[scancode]; if (scancode == KEY_CAPSLOCK) { /* CapsLock is a toggle switch key on Amiga */ input_report_key(atakbd_dev, scancode, 1); input_report_key(atakbd_dev, scancode, 0); input_sync(atakbd_dev); } else { input_report_key(atakbd_dev, scancode, down); input_sync(atakbd_dev); } } else /* scancodes >= 0xf2 are mouse data, most likely */ printk(KERN_INFO "atakbd: unhandled scancode %x\n", scancode); return; } static int __init atakbd_init(void) { int i, error; if (!MACH_IS_ATARI || !ATARIHW_PRESENT(ST_MFP)) return -EIO; // need to init core driver if not already done so if (atari_keyb_init()) return -ENODEV; atakbd_dev = input_allocate_device(); if (!atakbd_dev) return -ENOMEM; atakbd_dev->name = "Atari Keyboard"; atakbd_dev->phys = "atakbd/input0"; atakbd_dev->id.bustype = BUS_HOST; atakbd_dev->id.vendor = 0x0001; atakbd_dev->id.product = 0x0001; atakbd_dev->id.version = 0x0100; atakbd_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP); atakbd_dev->keycode = atakbd_keycode; atakbd_dev->keycodesize = sizeof(unsigned char); atakbd_dev->keycodemax = ARRAY_SIZE(atakbd_keycode); for (i = 1; i < 0x72; i++) { set_bit(atakbd_keycode[i], atakbd_dev->keybit); } /* error check */ error = input_register_device(atakbd_dev); if (error) { input_free_device(atakbd_dev); return error; } atari_input_keyboard_interrupt_hook = atakbd_interrupt; return 0; } static void __exit atakbd_exit(void) { atari_input_keyboard_interrupt_hook = NULL; input_unregister_device(atakbd_dev); } module_init(atakbd_init); module_exit(atakbd_exit);