[mirror_ubuntu-bionic-kernel.git] / drivers / input / keyboard / atakbd.c

/*
 *  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[0x73] = {	/* American layout */
	[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_GRAVE,
	[42]	 = KEY_LEFTSHIFT,
	[43]	 = KEY_BACKSLASH,
	[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,
	[71]	 = KEY_HOME,
	[72]	 = KEY_UP,
	[74]	 = KEY_KPMINUS,
	[75]	 = KEY_LEFT,
	[77]	 = KEY_RIGHT,
	[78]	 = KEY_KPPLUS,
	[80]	 = KEY_DOWN,
	[82]	 = KEY_INSERT,
	[83]	 = KEY_DELETE,
	[96]	 = KEY_102ND,
	[97]	 = KEY_UNDO,
	[98]	 = KEY_HELP,
	[99]	 = KEY_KPLEFTPAREN,
	[100]	 = KEY_KPRIGHTPAREN,
	[101]	 = KEY_KPSLASH,
	[102]	 = KEY_KPASTERISK,
	[103]	 = KEY_KP7,
	[104]	 = KEY_KP8,
	[105]	 = KEY_KP9,
	[106]	 = KEY_KP4,
	[107]	 = KEY_KP5,
	[108]	 = KEY_KP6,
	[109]	 = KEY_KP1,
	[110]	 = KEY_KP2,
	[111]	 = KEY_KP3,
	[112]	 = KEY_KP0,
	[113]	 = KEY_KPDOT,
	[114]	 = KEY_KPENTER,
};

static struct input_dev *atakbd_dev;

static void atakbd_interrupt(unsigned char scancode, char down)
{

	if (scancode < 0x73) {		/* scancodes < 0xf3 are keys */

		// report raw events here?

		scancode = atakbd_keycode[scancode];

		input_report_key(atakbd_dev, scancode, down);
		input_sync(atakbd_dev);
	} else				/* scancodes >= 0xf3 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 -ENODEV;

	// need to init core driver if not already done so
	error = atari_keyb_init();
	if (error)
		return error;

	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);
Commit	Line	Data
c04cb856 MS	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
6615c5b2 GU	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
a86e6490	82	static unsigned char atakbd_keycode[0x73] = { /* American layout */
6615c5b2 GU	83	[1] = KEY_ESC,
	84	[2] = KEY_1,
	85	[3] = KEY_2,
	86	[4] = KEY_3,
	87	[5] = KEY_4,
	88	[6] = KEY_5,
	89	[7] = KEY_6,
	90	[8] = KEY_7,
	91	[9] = KEY_8,
	92	[10] = KEY_9,
	93	[11] = KEY_0,
	94	[12] = KEY_MINUS,
	95	[13] = KEY_EQUAL,
	96	[14] = KEY_BACKSPACE,
	97	[15] = KEY_TAB,
	98	[16] = KEY_Q,
	99	[17] = KEY_W,
	100	[18] = KEY_E,
	101	[19] = KEY_R,
	102	[20] = KEY_T,
	103	[21] = KEY_Y,
	104	[22] = KEY_U,
	105	[23] = KEY_I,
	106	[24] = KEY_O,
	107	[25] = KEY_P,
	108	[26] = KEY_LEFTBRACE,
	109	[27] = KEY_RIGHTBRACE,
	110	[28] = KEY_ENTER,
	111	[29] = KEY_LEFTCTRL,
	112	[30] = KEY_A,
	113	[31] = KEY_S,
	114	[32] = KEY_D,
	115	[33] = KEY_F,
	116	[34] = KEY_G,
	117	[35] = KEY_H,
	118	[36] = KEY_J,
	119	[37] = KEY_K,
	120	[38] = KEY_L,
	121	[39] = KEY_SEMICOLON,
	122	[40] = KEY_APOSTROPHE,
a86e6490	123	[41] = KEY_GRAVE,
6615c5b2	124	[42] = KEY_LEFTSHIFT,
a86e6490	125	[43] = KEY_BACKSLASH,
6615c5b2 GU	126	[44] = KEY_Z,
	127	[45] = KEY_X,
	128	[46] = KEY_C,
	129	[47] = KEY_V,
	130	[48] = KEY_B,
	131	[49] = KEY_N,
	132	[50] = KEY_M,
	133	[51] = KEY_COMMA,
	134	[52] = KEY_DOT,
	135	[53] = KEY_SLASH,
	136	[54] = KEY_RIGHTSHIFT,
	137	[55] = KEY_KPASTERISK,
	138	[56] = KEY_LEFTALT,
	139	[57] = KEY_SPACE,
	140	[58] = KEY_CAPSLOCK,
	141	[59] = KEY_F1,
	142	[60] = KEY_F2,
	143	[61] = KEY_F3,
	144	[62] = KEY_F4,
	145	[63] = KEY_F5,
	146	[64] = KEY_F6,
	147	[65] = KEY_F7,
	148	[66] = KEY_F8,
	149	[67] = KEY_F9,
	150	[68] = KEY_F10,
a86e6490 AS	151	[71] = KEY_HOME,
a86e6490 AS	152	[72] = KEY_UP,
6615c5b2	153	[74] = KEY_KPMINUS,
a86e6490 AS	154	[75] = KEY_LEFT,
a86e6490 AS	155	[77] = KEY_RIGHT,
6615c5b2	156	[78] = KEY_KPPLUS,
a86e6490 AS	157	[80] = KEY_DOWN,
	158	[82] = KEY_INSERT,
	159	[83] = KEY_DELETE,
9923d858	160	[96] = KEY_102ND,
a86e6490 AS	161	[97] = KEY_UNDO,
a86e6490 AS	162	[98] = KEY_HELP,
6615c5b2 GU	163	[99] = KEY_KPLEFTPAREN,
	164	[100] = KEY_KPRIGHTPAREN,
	165	[101] = KEY_KPSLASH,
	166	[102] = KEY_KPASTERISK,
a86e6490 AS	167	[103] = KEY_KP7,
	168	[104] = KEY_KP8,
	169	[105] = KEY_KP9,
	170	[106] = KEY_KP4,
	171	[107] = KEY_KP5,
	172	[108] = KEY_KP6,
	173	[109] = KEY_KP1,
	174	[110] = KEY_KP2,
	175	[111] = KEY_KP3,
	176	[112] = KEY_KP0,
	177	[113] = KEY_KPDOT,
	178	[114] = KEY_KPENTER,
6615c5b2	179	};
c04cb856 MS	180
	181	static struct input_dev *atakbd_dev;
	182
	183	static void atakbd_interrupt(unsigned char scancode, char down)
	184	{
	185
a86e6490	186	if (scancode < 0x73) { /* scancodes < 0xf3 are keys */
c04cb856 MS	187
	188	// report raw events here?
	189
	190	scancode = atakbd_keycode[scancode];
	191
2b7e68b2 MS	192	input_report_key(atakbd_dev, scancode, down);
2b7e68b2 MS	193	input_sync(atakbd_dev);
a86e6490	194	} else /* scancodes >= 0xf3 are mouse data, most likely */
c04cb856 MS	195	printk(KERN_INFO "atakbd: unhandled scancode %x\n", scancode);
	196
	197	return;
	198	}
	199
	200	static int __init atakbd_init(void)
	201	{
63bd8c48	202	int i, error;
c04cb856	203
6615c5b2	204	if (!MACH_IS_ATARI \|\| !ATARIHW_PRESENT(ST_MFP))
e945b568	205	return -ENODEV;
c04cb856	206
c04cb856	207	// need to init core driver if not already done so
186f200a MS	208	error = atari_keyb_init();
	209	if (error)
	210	return error;
c04cb856	211
6615c5b2 GU	212	atakbd_dev = input_allocate_device();
	213	if (!atakbd_dev)
	214	return -ENOMEM;
	215
c04cb856 MS	216	atakbd_dev->name = "Atari Keyboard";
c04cb856 MS	217	atakbd_dev->phys = "atakbd/input0";
6615c5b2	218	atakbd_dev->id.bustype = BUS_HOST;
c04cb856 MS	219	atakbd_dev->id.vendor = 0x0001;
	220	atakbd_dev->id.product = 0x0001;
	221	atakbd_dev->id.version = 0x0100;
	222
7b19ada2	223	atakbd_dev->evbit[0] = BIT_MASK(EV_KEY) \| BIT_MASK(EV_REP);
c04cb856 MS	224	atakbd_dev->keycode = atakbd_keycode;
	225	atakbd_dev->keycodesize = sizeof(unsigned char);
	226	atakbd_dev->keycodemax = ARRAY_SIZE(atakbd_keycode);
	227
	228	for (i = 1; i < 0x72; i++) {
c04cb856 MS	229	set_bit(atakbd_keycode[i], atakbd_dev->keybit);
	230	}
	231
6615c5b2	232	/* error check */
63bd8c48 GU	233	error = input_register_device(atakbd_dev);
63bd8c48 GU	234	if (error) {
6615c5b2	235	input_free_device(atakbd_dev);
63bd8c48	236	return error;
6615c5b2	237	}
c04cb856 MS	238
	239	atari_input_keyboard_interrupt_hook = atakbd_interrupt;
	240
c04cb856 MS	241	return 0;
	242	}
	243
	244	static void __exit atakbd_exit(void)
	245	{
	246	atari_input_keyboard_interrupt_hook = NULL;
	247	input_unregister_device(atakbd_dev);
	248	}
	249
	250	module_init(atakbd_init);
	251	module_exit(atakbd_exit);