1 /* 2 * atakbd.c 3 * 4 * Copyright (c) 2005 Michael Schmitz 5 * 6 * Based on amikbd.c, which is 7 * 8 * Copyright (c) 2000-2001 Vojtech Pavlik 9 * 10 * Based on the work of: 11 * Hamish Macdonald 12 */ 13 14 /* 15 * Atari keyboard driver for Linux/m68k 16 * 17 * The low level init and interrupt stuff is handled in arch/mm68k/atari/atakeyb.c 18 * (the keyboard ACIA also handles the mouse and joystick data, and the keyboard 19 * interrupt is shared with the MIDI ACIA so MIDI data also get handled there). 20 * This driver only deals with handing key events off to the input layer. 21 */ 22 23 /* 24 * This program is free software; you can redistribute it and/or modify 25 * it under the terms of the GNU General Public License as published by 26 * the Free Software Foundation; either version 2 of the License, or 27 * (at your option) any later version. 28 * 29 * This program is distributed in the hope that it will be useful, 30 * but WITHOUT ANY WARRANTY; without even the implied warranty of 31 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 32 * GNU General Public License for more details. 33 * 34 * You should have received a copy of the GNU General Public License 35 * along with this program; if not, write to the Free Software 36 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 37 * 38 * Should you need to contact me, the author, you can do so either by 39 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: 40 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic 41 */ 42 43 #include <linux/module.h> 44 #include <linux/init.h> 45 #include <linux/input.h> 46 #include <linux/delay.h> 47 #include <linux/interrupt.h> 48 49 #include <asm/atariints.h> 50 #include <asm/atarihw.h> 51 #include <asm/atarikb.h> 52 #include <asm/irq.h> 53 54 MODULE_AUTHOR("Michael Schmitz <schmitz@biophys.uni-duesseldorf.de>"); 55 MODULE_DESCRIPTION("Atari keyboard driver"); 56 MODULE_LICENSE("GPL"); 57 58 /* 59 0x47: KP_7 71 60 0x48: KP_8 72 61 0x49: KP_9 73 62 0x62: KP_/ 98 63 0x4b: KP_4 75 64 0x4c: KP_5 76 65 0x4d: KP_6 77 66 0x37: KP_* 55 67 0x4f: KP_1 79 68 0x50: KP_2 80 69 0x51: KP_3 81 70 0x4a: KP_- 74 71 0x52: KP_0 82 72 0x53: KP_. 83 73 0x4e: KP_+ 78 74 75 0x67: Up 103 76 0x6c: Down 108 77 0x69: Left 105 78 0x6a: Right 106 79 */ 80 81 82 static unsigned char atakbd_keycode[0x72] = { /* American layout */ 83 [0] = KEY_GRAVE, 84 [1] = KEY_ESC, 85 [2] = KEY_1, 86 [3] = KEY_2, 87 [4] = KEY_3, 88 [5] = KEY_4, 89 [6] = KEY_5, 90 [7] = KEY_6, 91 [8] = KEY_7, 92 [9] = KEY_8, 93 [10] = KEY_9, 94 [11] = KEY_0, 95 [12] = KEY_MINUS, 96 [13] = KEY_EQUAL, 97 [14] = KEY_BACKSPACE, 98 [15] = KEY_TAB, 99 [16] = KEY_Q, 100 [17] = KEY_W, 101 [18] = KEY_E, 102 [19] = KEY_R, 103 [20] = KEY_T, 104 [21] = KEY_Y, 105 [22] = KEY_U, 106 [23] = KEY_I, 107 [24] = KEY_O, 108 [25] = KEY_P, 109 [26] = KEY_LEFTBRACE, 110 [27] = KEY_RIGHTBRACE, 111 [28] = KEY_ENTER, 112 [29] = KEY_LEFTCTRL, 113 [30] = KEY_A, 114 [31] = KEY_S, 115 [32] = KEY_D, 116 [33] = KEY_F, 117 [34] = KEY_G, 118 [35] = KEY_H, 119 [36] = KEY_J, 120 [37] = KEY_K, 121 [38] = KEY_L, 122 [39] = KEY_SEMICOLON, 123 [40] = KEY_APOSTROPHE, 124 [41] = KEY_BACKSLASH, /* FIXME, '#' */ 125 [42] = KEY_LEFTSHIFT, 126 [43] = KEY_GRAVE, /* FIXME: '~' */ 127 [44] = KEY_Z, 128 [45] = KEY_X, 129 [46] = KEY_C, 130 [47] = KEY_V, 131 [48] = KEY_B, 132 [49] = KEY_N, 133 [50] = KEY_M, 134 [51] = KEY_COMMA, 135 [52] = KEY_DOT, 136 [53] = KEY_SLASH, 137 [54] = KEY_RIGHTSHIFT, 138 [55] = KEY_KPASTERISK, 139 [56] = KEY_LEFTALT, 140 [57] = KEY_SPACE, 141 [58] = KEY_CAPSLOCK, 142 [59] = KEY_F1, 143 [60] = KEY_F2, 144 [61] = KEY_F3, 145 [62] = KEY_F4, 146 [63] = KEY_F5, 147 [64] = KEY_F6, 148 [65] = KEY_F7, 149 [66] = KEY_F8, 150 [67] = KEY_F9, 151 [68] = KEY_F10, 152 [69] = KEY_ESC, 153 [70] = KEY_DELETE, 154 [71] = KEY_KP7, 155 [72] = KEY_KP8, 156 [73] = KEY_KP9, 157 [74] = KEY_KPMINUS, 158 [75] = KEY_KP4, 159 [76] = KEY_KP5, 160 [77] = KEY_KP6, 161 [78] = KEY_KPPLUS, 162 [79] = KEY_KP1, 163 [80] = KEY_KP2, 164 [81] = KEY_KP3, 165 [82] = KEY_KP0, 166 [83] = KEY_KPDOT, 167 [90] = KEY_KPLEFTPAREN, 168 [91] = KEY_KPRIGHTPAREN, 169 [92] = KEY_KPASTERISK, /* FIXME */ 170 [93] = KEY_KPASTERISK, 171 [94] = KEY_KPPLUS, 172 [95] = KEY_HELP, 173 [96] = KEY_BACKSLASH, /* FIXME: '<' */ 174 [97] = KEY_KPASTERISK, /* FIXME */ 175 [98] = KEY_KPSLASH, 176 [99] = KEY_KPLEFTPAREN, 177 [100] = KEY_KPRIGHTPAREN, 178 [101] = KEY_KPSLASH, 179 [102] = KEY_KPASTERISK, 180 [103] = KEY_UP, 181 [104] = KEY_KPASTERISK, /* FIXME */ 182 [105] = KEY_LEFT, 183 [106] = KEY_RIGHT, 184 [107] = KEY_KPASTERISK, /* FIXME */ 185 [108] = KEY_DOWN, 186 [109] = KEY_KPASTERISK, /* FIXME */ 187 [110] = KEY_KPASTERISK, /* FIXME */ 188 [111] = KEY_KPASTERISK, /* FIXME */ 189 [112] = KEY_KPASTERISK, /* FIXME */ 190 [113] = KEY_KPASTERISK /* FIXME */ 191 }; 192 193 static struct input_dev *atakbd_dev; 194 195 static void atakbd_interrupt(unsigned char scancode, char down) 196 { 197 198 if (scancode < 0x72) { /* scancodes < 0xf2 are keys */ 199 200 // report raw events here? 201 202 scancode = atakbd_keycode[scancode]; 203 204 if (scancode == KEY_CAPSLOCK) { /* CapsLock is a toggle switch key on Amiga */ 205 input_report_key(atakbd_dev, scancode, 1); 206 input_report_key(atakbd_dev, scancode, 0); 207 input_sync(atakbd_dev); 208 } else { 209 input_report_key(atakbd_dev, scancode, down); 210 input_sync(atakbd_dev); 211 } 212 } else /* scancodes >= 0xf2 are mouse data, most likely */ 213 printk(KERN_INFO "atakbd: unhandled scancode %x\n", scancode); 214 215 return; 216 } 217 218 static int __init atakbd_init(void) 219 { 220 int i, error; 221 222 if (!MACH_IS_ATARI || !ATARIHW_PRESENT(ST_MFP)) 223 return -ENODEV; 224 225 // need to init core driver if not already done so 226 if (atari_keyb_init()) 227 return -ENODEV; 228 229 atakbd_dev = input_allocate_device(); 230 if (!atakbd_dev) 231 return -ENOMEM; 232 233 atakbd_dev->name = "Atari Keyboard"; 234 atakbd_dev->phys = "atakbd/input0"; 235 atakbd_dev->id.bustype = BUS_HOST; 236 atakbd_dev->id.vendor = 0x0001; 237 atakbd_dev->id.product = 0x0001; 238 atakbd_dev->id.version = 0x0100; 239 240 atakbd_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP); 241 atakbd_dev->keycode = atakbd_keycode; 242 atakbd_dev->keycodesize = sizeof(unsigned char); 243 atakbd_dev->keycodemax = ARRAY_SIZE(atakbd_keycode); 244 245 for (i = 1; i < 0x72; i++) { 246 set_bit(atakbd_keycode[i], atakbd_dev->keybit); 247 } 248 249 /* error check */ 250 error = input_register_device(atakbd_dev); 251 if (error) { 252 input_free_device(atakbd_dev); 253 return error; 254 } 255 256 atari_input_keyboard_interrupt_hook = atakbd_interrupt; 257 258 return 0; 259 } 260 261 static void __exit atakbd_exit(void) 262 { 263 atari_input_keyboard_interrupt_hook = NULL; 264 input_unregister_device(atakbd_dev); 265 } 266 267 module_init(atakbd_init); 268 module_exit(atakbd_exit); 269