drivers/input/keyboard/atakbd.c - kernel/msm-4.9 - Gitiles

 /*
  *  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);
	/*
	* 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);