[linux.git] / drivers / input / joystick / a3d.c

/*
 *  Copyright (c) 1998-2001 Vojtech Pavlik
 */

/*
 * FP-Gaming Assassin 3D joystick driver for Linux
 */

/*
 * 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 <[email protected]>, or by paper mail:
 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/gameport.h>
#include <linux/input.h>
#include <linux/jiffies.h>

#define DRIVER_DESC	"FP-Gaming Assassin 3D joystick driver"

MODULE_AUTHOR("Vojtech Pavlik <[email protected]>");
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");

#define A3D_MAX_START		600	/* 600 us */
#define A3D_MAX_STROBE		80	/* 80 us */
#define A3D_MAX_LENGTH		40	/* 40*3 bits */

#define A3D_MODE_A3D		1	/* Assassin 3D */
#define A3D_MODE_PAN		2	/* Panther */
#define A3D_MODE_OEM		3	/* Panther OEM version */
#define A3D_MODE_PXL		4	/* Panther XL */

static char *a3d_names[] = { NULL, "FP-Gaming Assassin 3D", "MadCatz Panther", "OEM Panther",
			"MadCatz Panther XL", "MadCatz Panther XL w/ rudder" };

struct a3d {
	struct gameport *gameport;
	struct gameport *adc;
	struct input_dev *dev;
	int axes[4];
	int buttons;
	int mode;
	int length;
	int reads;
	int bads;
	char phys[32];
};

/*
 * a3d_read_packet() reads an Assassin 3D packet.
 */

static int a3d_read_packet(struct gameport *gameport, int length, char *data)
{
	unsigned long flags;
	unsigned char u, v;
	unsigned int t, s;
	int i;

	i = 0;
	t = gameport_time(gameport, A3D_MAX_START);
	s = gameport_time(gameport, A3D_MAX_STROBE);

	local_irq_save(flags);
	gameport_trigger(gameport);
	v = gameport_read(gameport);

	while (t > 0 && i < length) {
		t--;
		u = v; v = gameport_read(gameport);
		if (~v & u & 0x10) {
			data[i++] = v >> 5;
			t = s;
		}
	}

	local_irq_restore(flags);

	return i;
}

/*
 * a3d_csum() computes checksum of triplet packet
 */

static int a3d_csum(char *data, int count)
{
	int i, csum = 0;

	for (i = 0; i < count - 2; i++)
		csum += data[i];
	return (csum & 0x3f) != ((data[count - 2] << 3) | data[count - 1]);
}

static void a3d_read(struct a3d *a3d, unsigned char *data)
{
	struct input_dev *dev = a3d->dev;

	switch (a3d->mode) {

		case A3D_MODE_A3D:
		case A3D_MODE_OEM:
		case A3D_MODE_PAN:

			input_report_rel(dev, REL_X, ((data[5] << 6) | (data[6] << 3) | data[ 7]) - ((data[5] & 4) << 7));
			input_report_rel(dev, REL_Y, ((data[8] << 6) | (data[9] << 3) | data[10]) - ((data[8] & 4) << 7));

			input_report_key(dev, BTN_RIGHT,  data[2] & 1);
			input_report_key(dev, BTN_LEFT,   data[3] & 2);
			input_report_key(dev, BTN_MIDDLE, data[3] & 4);

			input_sync(dev);

			a3d->axes[0] = ((signed char)((data[11] << 6) | (data[12] << 3) | (data[13]))) + 128;
			a3d->axes[1] = ((signed char)((data[14] << 6) | (data[15] << 3) | (data[16]))) + 128;
			a3d->axes[2] = ((signed char)((data[17] << 6) | (data[18] << 3) | (data[19]))) + 128;
			a3d->axes[3] = ((signed char)((data[20] << 6) | (data[21] << 3) | (data[22]))) + 128;

			a3d->buttons = ((data[3] << 3) | data[4]) & 0xf;

			break;

		case A3D_MODE_PXL:

			input_report_rel(dev, REL_X, ((data[ 9] << 6) | (data[10] << 3) | data[11]) - ((data[ 9] & 4) << 7));
			input_report_rel(dev, REL_Y, ((data[12] << 6) | (data[13] << 3) | data[14]) - ((data[12] & 4) << 7));

			input_report_key(dev, BTN_RIGHT,  data[2] & 1);
			input_report_key(dev, BTN_LEFT,   data[3] & 2);
			input_report_key(dev, BTN_MIDDLE, data[3] & 4);
			input_report_key(dev, BTN_SIDE,   data[7] & 2);
			input_report_key(dev, BTN_EXTRA,  data[7] & 4);

			input_report_abs(dev, ABS_X,        ((signed char)((data[15] << 6) | (data[16] << 3) | (data[17]))) + 128);
			input_report_abs(dev, ABS_Y,        ((signed char)((data[18] << 6) | (data[19] << 3) | (data[20]))) + 128);
			input_report_abs(dev, ABS_RUDDER,   ((signed char)((data[21] << 6) | (data[22] << 3) | (data[23]))) + 128);
			input_report_abs(dev, ABS_THROTTLE, ((signed char)((data[24] << 6) | (data[25] << 3) | (data[26]))) + 128);

			input_report_abs(dev, ABS_HAT0X, ( data[5]       & 1) - ((data[5] >> 2) & 1));
			input_report_abs(dev, ABS_HAT0Y, ((data[5] >> 1) & 1) - ((data[6] >> 2) & 1));
			input_report_abs(dev, ABS_HAT1X, ((data[4] >> 1) & 1) - ( data[3]       & 1));
			input_report_abs(dev, ABS_HAT1Y, ((data[4] >> 2) & 1) - ( data[4]       & 1));

			input_report_key(dev, BTN_TRIGGER, data[8] & 1);
			input_report_key(dev, BTN_THUMB,   data[8] & 2);
			input_report_key(dev, BTN_TOP,     data[8] & 4);
			input_report_key(dev, BTN_PINKIE,  data[7] & 1);

			input_sync(dev);

			break;
	}
}


/*
 * a3d_poll() reads and analyzes A3D joystick data.
 */

static void a3d_poll(struct gameport *gameport)
{
	struct a3d *a3d = gameport_get_drvdata(gameport);
	unsigned char data[A3D_MAX_LENGTH];

	a3d->reads++;
	if (a3d_read_packet(a3d->gameport, a3d->length, data) != a3d->length ||
	    data[0] != a3d->mode || a3d_csum(data, a3d->length))
		a3d->bads++;
	else
		a3d_read(a3d, data);
}

/*
 * a3d_adc_cooked_read() copies the acis and button data to the
 * callers arrays. It could do the read itself, but the caller could
 * call this more than 50 times a second, which would use too much CPU.
 */

static int a3d_adc_cooked_read(struct gameport *gameport, int *axes, int *buttons)
{
	struct a3d *a3d = gameport->port_data;
	int i;

	for (i = 0; i < 4; i++)
		axes[i] = (a3d->axes[i] < 254) ? a3d->axes[i] : -1;
	*buttons = a3d->buttons;
	return 0;
}

/*
 * a3d_adc_open() is the gameport open routine. It refuses to serve
 * any but cooked data.
 */

static int a3d_adc_open(struct gameport *gameport, int mode)
{
	struct a3d *a3d = gameport->port_data;

	if (mode != GAMEPORT_MODE_COOKED)
		return -1;

	gameport_start_polling(a3d->gameport);
	return 0;
}

/*
 * a3d_adc_close() is a callback from the input close routine.
 */

static void a3d_adc_close(struct gameport *gameport)
{
	struct a3d *a3d = gameport->port_data;

	gameport_stop_polling(a3d->gameport);
}

/*
 * a3d_open() is a callback from the input open routine.
 */

static int a3d_open(struct input_dev *dev)
{
	struct a3d *a3d = input_get_drvdata(dev);

	gameport_start_polling(a3d->gameport);
	return 0;
}

/*
 * a3d_close() is a callback from the input close routine.
 */

static void a3d_close(struct input_dev *dev)
{
	struct a3d *a3d = input_get_drvdata(dev);

	gameport_stop_polling(a3d->gameport);
}

/*
 * a3d_connect() probes for A3D joysticks.
 */

static int a3d_connect(struct gameport *gameport, struct gameport_driver *drv)
{
	struct a3d *a3d;
	struct input_dev *input_dev;
	struct gameport *adc;
	unsigned char data[A3D_MAX_LENGTH];
	int i;
	int err;

	a3d = kzalloc(sizeof(struct a3d), GFP_KERNEL);
	input_dev = input_allocate_device();
	if (!a3d || !input_dev) {
		err = -ENOMEM;
		goto fail1;
	}

	a3d->dev = input_dev;
	a3d->gameport = gameport;

	gameport_set_drvdata(gameport, a3d);

	err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW);
	if (err)
		goto fail1;

	i = a3d_read_packet(gameport, A3D_MAX_LENGTH, data);

	if (!i || a3d_csum(data, i)) {
		err = -ENODEV;
		goto fail2;
	}

	a3d->mode = data[0];

	if (!a3d->mode || a3d->mode > 5) {
		printk(KERN_WARNING "a3d.c: Unknown A3D device detected "
			"(%s, id=%d), contact <[email protected]>\n", gameport->phys, a3d->mode);
		err = -ENODEV;
		goto fail2;
	}

	gameport_set_poll_handler(gameport, a3d_poll);
	gameport_set_poll_interval(gameport, 20);

	snprintf(a3d->phys, sizeof(a3d->phys), "%s/input0", gameport->phys);

	input_dev->name = a3d_names[a3d->mode];
	input_dev->phys = a3d->phys;
	input_dev->id.bustype = BUS_GAMEPORT;
	input_dev->id.vendor = GAMEPORT_ID_VENDOR_MADCATZ;
	input_dev->id.product = a3d->mode;
	input_dev->id.version = 0x0100;
	input_dev->dev.parent = &gameport->dev;
	input_dev->open = a3d_open;
	input_dev->close = a3d_close;

	input_set_drvdata(input_dev, a3d);

	if (a3d->mode == A3D_MODE_PXL) {

		int axes[] = { ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER };

		a3d->length = 33;

		input_dev->evbit[0] |= BIT_MASK(EV_ABS) | BIT_MASK(EV_KEY) |
			BIT_MASK(EV_REL);
		input_dev->relbit[0] |= BIT_MASK(REL_X) | BIT_MASK(REL_Y);
		input_dev->absbit[0] |= BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
			BIT_MASK(ABS_THROTTLE) | BIT_MASK(ABS_RUDDER) |
			BIT_MASK(ABS_HAT0X) | BIT_MASK(ABS_HAT0Y) |
			BIT_MASK(ABS_HAT1X) | BIT_MASK(ABS_HAT1Y);
		input_dev->keybit[BIT_WORD(BTN_MOUSE)] |= BIT_MASK(BTN_RIGHT) |
			BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_MIDDLE) |
			BIT_MASK(BTN_SIDE) | BIT_MASK(BTN_EXTRA);
		input_dev->keybit[BIT_WORD(BTN_JOYSTICK)] |=
			BIT_MASK(BTN_TRIGGER) | BIT_MASK(BTN_THUMB) |
			BIT_MASK(BTN_TOP) | BIT_MASK(BTN_PINKIE);

		a3d_read(a3d, data);

		for (i = 0; i < 4; i++) {
			if (i < 2)
				input_set_abs_params(input_dev, axes[i],
					48, input_abs_get_val(input_dev, axes[i]) * 2 - 48, 0, 8);
			else
				input_set_abs_params(input_dev, axes[i], 2, 253, 0, 0);
			input_set_abs_params(input_dev, ABS_HAT0X + i, -1, 1, 0, 0);
		}

	} else {
		a3d->length = 29;

		input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
		input_dev->relbit[0] |= BIT_MASK(REL_X) | BIT_MASK(REL_Y);
		input_dev->keybit[BIT_WORD(BTN_MOUSE)] |= BIT_MASK(BTN_RIGHT) |
			BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_MIDDLE);

		a3d_read(a3d, data);

		if (!(a3d->adc = adc = gameport_allocate_port()))
			printk(KERN_ERR "a3d: Not enough memory for ADC port\n");
		else {
			adc->port_data = a3d;
			adc->open = a3d_adc_open;
			adc->close = a3d_adc_close;
			adc->cooked_read = a3d_adc_cooked_read;
			adc->fuzz = 1;

			gameport_set_name(adc, a3d_names[a3d->mode]);
			gameport_set_phys(adc, "%s/gameport0", gameport->phys);
			adc->dev.parent = &gameport->dev;

			gameport_register_port(adc);
		}
	}

	err = input_register_device(a3d->dev);
	if (err)
		goto fail3;

	return 0;

 fail3:	if (a3d->adc)
		gameport_unregister_port(a3d->adc);
 fail2:	gameport_close(gameport);
 fail1:	gameport_set_drvdata(gameport, NULL);
	input_free_device(input_dev);
	kfree(a3d);
	return err;
}

static void a3d_disconnect(struct gameport *gameport)
{
	struct a3d *a3d = gameport_get_drvdata(gameport);

	input_unregister_device(a3d->dev);
	if (a3d->adc)
		gameport_unregister_port(a3d->adc);
	gameport_close(gameport);
	gameport_set_drvdata(gameport, NULL);
	kfree(a3d);
}

static struct gameport_driver a3d_drv = {
	.driver		= {
		.name	= "adc",
		.owner	= THIS_MODULE,
	},
	.description	= DRIVER_DESC,
	.connect	= a3d_connect,
	.disconnect	= a3d_disconnect,
};

module_gameport_driver(a3d_drv);
Commit	Line	Data
1da177e4	1	/*
1da177e4 LT	2	* Copyright (c) 1998-2001 Vojtech Pavlik
	3	*/
	4
	5	/*
25985edc	6	* FP-Gaming Assassin 3D joystick driver for Linux
1da177e4 LT	7	*/
	8
	9	/*
	10	* This program is free software; you can redistribute it and/or modify
	11	* it under the terms of the GNU General Public License as published by
	12	* the Free Software Foundation; either version 2 of the License, or
	13	* (at your option) any later version.
	14	*
	15	* This program is distributed in the hope that it will be useful,
	16	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	* GNU General Public License for more details.
	19	*
	20	* You should have received a copy of the GNU General Public License
	21	* along with this program; if not, write to the Free Software
	22	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	23	*
	24	* Should you need to contact me, the author, you can do so either by
	25	* e-mail - mail your message to <[email protected]>, or by paper mail:
	26	* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
	27	*/
	28
	29	#include <linux/kernel.h>
	30	#include <linux/module.h>
	31	#include <linux/slab.h>
	32	#include <linux/init.h>
	33	#include <linux/gameport.h>
	34	#include <linux/input.h>
4e57b681	35	#include <linux/jiffies.h>
1da177e4	36
25985edc	37	#define DRIVER_DESC "FP-Gaming Assassin 3D joystick driver"
1da177e4 LT	38
	39	MODULE_AUTHOR("Vojtech Pavlik <[email protected]>");
	40	MODULE_DESCRIPTION(DRIVER_DESC);
	41	MODULE_LICENSE("GPL");
	42
	43	#define A3D_MAX_START 600 /* 600 us */
	44	#define A3D_MAX_STROBE 80 /* 80 us */
	45	#define A3D_MAX_LENGTH 40 /* 403 bits /
	46
	47	#define A3D_MODE_A3D 1 /* Assassin 3D */
	48	#define A3D_MODE_PAN 2 /* Panther */
	49	#define A3D_MODE_OEM 3 /* Panther OEM version */
	50	#define A3D_MODE_PXL 4 /* Panther XL */
	51
	52	static char *a3d_names[] = { NULL, "FP-Gaming Assassin 3D", "MadCatz Panther", "OEM Panther",
	53	"MadCatz Panther XL", "MadCatz Panther XL w/ rudder" };
	54
	55	struct a3d {
	56	struct gameport *gameport;
	57	struct gameport *adc;
275c6ce2	58	struct input_dev *dev;
1da177e4 LT	59	int axes[4];
	60	int buttons;
	61	int mode;
	62	int length;
	63	int reads;
	64	int bads;
	65	char phys[32];
	66	};
	67
	68	/*
	69	* a3d_read_packet() reads an Assassin 3D packet.
	70	*/
	71
	72	static int a3d_read_packet(struct gameport gameport, int length, char data)
	73	{
	74	unsigned long flags;
	75	unsigned char u, v;
	76	unsigned int t, s;
	77	int i;
	78
	79	i = 0;
	80	t = gameport_time(gameport, A3D_MAX_START);
	81	s = gameport_time(gameport, A3D_MAX_STROBE);
	82
	83	local_irq_save(flags);
	84	gameport_trigger(gameport);
	85	v = gameport_read(gameport);
	86
	87	while (t > 0 && i < length) {
	88	t--;
	89	u = v; v = gameport_read(gameport);
	90	if (~v & u & 0x10) {
	91	data[i++] = v >> 5;
	92	t = s;
	93	}
	94	}
	95
	96	local_irq_restore(flags);
	97
	98	return i;
	99	}
	100
	101	/*
	102	* a3d_csum() computes checksum of triplet packet
	103	*/
	104
	105	static int a3d_csum(char *data, int count)
	106	{
	107	int i, csum = 0;
	108
	109	for (i = 0; i < count - 2; i++)
	110	csum += data[i];
	111	return (csum & 0x3f) != ((data[count - 2] << 3) \| data[count - 1]);
	112	}
	113
	114	static void a3d_read(struct a3d a3d, unsigned char data)
	115	{
275c6ce2	116	struct input_dev *dev = a3d->dev;
1da177e4 LT	117
	118	switch (a3d->mode) {
	119
	120	case A3D_MODE_A3D:
	121	case A3D_MODE_OEM:
	122	case A3D_MODE_PAN:
	123
	124	input_report_rel(dev, REL_X, ((data[5] << 6) \| (data[6] << 3) \| data[ 7]) - ((data[5] & 4) << 7));
	125	input_report_rel(dev, REL_Y, ((data[8] << 6) \| (data[9] << 3) \| data[10]) - ((data[8] & 4) << 7));
	126
	127	input_report_key(dev, BTN_RIGHT, data[2] & 1);
	128	input_report_key(dev, BTN_LEFT, data[3] & 2);
	129	input_report_key(dev, BTN_MIDDLE, data[3] & 4);
	130
	131	input_sync(dev);
	132
	133	a3d->axes[0] = ((signed char)((data[11] << 6) \| (data[12] << 3) \| (data[13]))) + 128;
	134	a3d->axes[1] = ((signed char)((data[14] << 6) \| (data[15] << 3) \| (data[16]))) + 128;
	135	a3d->axes[2] = ((signed char)((data[17] << 6) \| (data[18] << 3) \| (data[19]))) + 128;
	136	a3d->axes[3] = ((signed char)((data[20] << 6) \| (data[21] << 3) \| (data[22]))) + 128;
	137
	138	a3d->buttons = ((data[3] << 3) \| data[4]) & 0xf;
	139
	140	break;
	141
	142	case A3D_MODE_PXL:
	143
	144	input_report_rel(dev, REL_X, ((data[ 9] << 6) \| (data[10] << 3) \| data[11]) - ((data[ 9] & 4) << 7));
	145	input_report_rel(dev, REL_Y, ((data[12] << 6) \| (data[13] << 3) \| data[14]) - ((data[12] & 4) << 7));
	146
	147	input_report_key(dev, BTN_RIGHT, data[2] & 1);
	148	input_report_key(dev, BTN_LEFT, data[3] & 2);
	149	input_report_key(dev, BTN_MIDDLE, data[3] & 4);
	150	input_report_key(dev, BTN_SIDE, data[7] & 2);
	151	input_report_key(dev, BTN_EXTRA, data[7] & 4);
	152
	153	input_report_abs(dev, ABS_X, ((signed char)((data[15] << 6) \| (data[16] << 3) \| (data[17]))) + 128);
	154	input_report_abs(dev, ABS_Y, ((signed char)((data[18] << 6) \| (data[19] << 3) \| (data[20]))) + 128);
	155	input_report_abs(dev, ABS_RUDDER, ((signed char)((data[21] << 6) \| (data[22] << 3) \| (data[23]))) + 128);
	156	input_report_abs(dev, ABS_THROTTLE, ((signed char)((data[24] << 6) \| (data[25] << 3) \| (data[26]))) + 128);
	157
	158	input_report_abs(dev, ABS_HAT0X, ( data[5] & 1) - ((data[5] >> 2) & 1));
	159	input_report_abs(dev, ABS_HAT0Y, ((data[5] >> 1) & 1) - ((data[6] >> 2) & 1));
	160	input_report_abs(dev, ABS_HAT1X, ((data[4] >> 1) & 1) - ( data[3] & 1));
	161	input_report_abs(dev, ABS_HAT1Y, ((data[4] >> 2) & 1) - ( data[4] & 1));
	162
	163	input_report_key(dev, BTN_TRIGGER, data[8] & 1);
	164	input_report_key(dev, BTN_THUMB, data[8] & 2);
	165	input_report_key(dev, BTN_TOP, data[8] & 4);
	166	input_report_key(dev, BTN_PINKIE, data[7] & 1);
	167
	168	input_sync(dev);
	169
	170	break;
	171	}
	172	}
	173
	174
	175	/*
	176	* a3d_poll() reads and analyzes A3D joystick data.
	177	*/
	178
	179	static void a3d_poll(struct gameport *gameport)
	180	{
181	struct a3d *a3d = gameport_get_drvdata(gameport);
182	unsigned char data[A3D_MAX_LENGTH];
183
184	a3d->reads++;
185	if (a3d_read_packet(a3d->gameport, a3d->length, data) != a3d->length \|\|
186	data[0] != a3d->mode \|\| a3d_csum(data, a3d->length))
ab0c3443	187	a3d->bads++;
1da177e4 LT	188	else
	189	a3d_read(a3d, data);
	190	}
	191
	192	/*
	193	* a3d_adc_cooked_read() copies the acis and button data to the
	194	* callers arrays. It could do the read itself, but the caller could
	195	* call this more than 50 times a second, which would use too much CPU.
	196	*/
	197
	198	static int a3d_adc_cooked_read(struct gameport gameport, int axes, int *buttons)
	199	{
	200	struct a3d *a3d = gameport->port_data;
	201	int i;
	202
	203	for (i = 0; i < 4; i++)
	204	axes[i] = (a3d->axes[i] < 254) ? a3d->axes[i] : -1;
	205	*buttons = a3d->buttons;
	206	return 0;
	207	}
	208
	209	/*
	210	* a3d_adc_open() is the gameport open routine. It refuses to serve
	211	* any but cooked data.
	212	*/
	213
	214	static int a3d_adc_open(struct gameport *gameport, int mode)
	215	{
	216	struct a3d *a3d = gameport->port_data;
	217
	218	if (mode != GAMEPORT_MODE_COOKED)
	219	return -1;
	220
	221	gameport_start_polling(a3d->gameport);
	222	return 0;
	223	}
	224
	225	/*
	226	* a3d_adc_close() is a callback from the input close routine.
	227	*/
	228
	229	static void a3d_adc_close(struct gameport *gameport)
	230	{
	231	struct a3d *a3d = gameport->port_data;
	232
	233	gameport_stop_polling(a3d->gameport);
	234	}
	235
	236	/*
	237	* a3d_open() is a callback from the input open routine.
	238	*/
	239
	240	static int a3d_open(struct input_dev *dev)
	241	{
8715c1cf	242	struct a3d *a3d = input_get_drvdata(dev);
1da177e4 LT	243
	244	gameport_start_polling(a3d->gameport);
	245	return 0;
	246	}
	247
	248	/*
	249	* a3d_close() is a callback from the input close routine.
	250	*/
	251
	252	static void a3d_close(struct input_dev *dev)
	253	{
8715c1cf	254	struct a3d *a3d = input_get_drvdata(dev);
1da177e4 LT	255
	256	gameport_stop_polling(a3d->gameport);
	257	}
	258
	259	/*
	260	* a3d_connect() probes for A3D joysticks.
	261	*/
	262
	263	static int a3d_connect(struct gameport gameport, struct gameport_driver drv)
	264	{
	265	struct a3d *a3d;
275c6ce2	266	struct input_dev *input_dev;
1da177e4 LT	267	struct gameport *adc;
	268	unsigned char data[A3D_MAX_LENGTH];
	269	int i;
	270	int err;
	271
275c6ce2 DT	272	a3d = kzalloc(sizeof(struct a3d), GFP_KERNEL);
	273	input_dev = input_allocate_device();
	274	if (!a3d \|\| !input_dev) {
	275	err = -ENOMEM;
	276	goto fail1;
	277	}
1da177e4	278
275c6ce2	279	a3d->dev = input_dev;
1da177e4 LT	280	a3d->gameport = gameport;
	281
	282	gameport_set_drvdata(gameport, a3d);
	283
	284	err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW);
	285	if (err)
	286	goto fail1;
	287
	288	i = a3d_read_packet(gameport, A3D_MAX_LENGTH, data);
	289
	290	if (!i \|\| a3d_csum(data, i)) {
	291	err = -ENODEV;
	292	goto fail2;
	293	}
	294
	295	a3d->mode = data[0];
	296
	297	if (!a3d->mode \|\| a3d->mode > 5) {
	298	printk(KERN_WARNING "a3d.c: Unknown A3D device detected "
	299	"(%s, id=%d), contact <[email protected]>\n", gameport->phys, a3d->mode);
	300	err = -ENODEV;
	301	goto fail2;
	302	}
	303
	304	gameport_set_poll_handler(gameport, a3d_poll);
	305	gameport_set_poll_interval(gameport, 20);
	306
10ca4c0a	307	snprintf(a3d->phys, sizeof(a3d->phys), "%s/input0", gameport->phys);
1da177e4	308
275c6ce2 DT	309	input_dev->name = a3d_names[a3d->mode];
	310	input_dev->phys = a3d->phys;
	311	input_dev->id.bustype = BUS_GAMEPORT;
	312	input_dev->id.vendor = GAMEPORT_ID_VENDOR_MADCATZ;
	313	input_dev->id.product = a3d->mode;
	314	input_dev->id.version = 0x0100;
935e658e	315	input_dev->dev.parent = &gameport->dev;
275c6ce2 DT	316	input_dev->open = a3d_open;
	317	input_dev->close = a3d_close;
	318
8715c1cf DT	319	input_set_drvdata(input_dev, a3d);
8715c1cf DT	320
1da177e4 LT	321	if (a3d->mode == A3D_MODE_PXL) {
	322
	323	int axes[] = { ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER };
	324
	325	a3d->length = 33;
	326
7b19ada2 JS	327	input_dev->evbit[0] \|= BIT_MASK(EV_ABS) \| BIT_MASK(EV_KEY) \|
	328	BIT_MASK(EV_REL);
	329	input_dev->relbit[0] \|= BIT_MASK(REL_X) \| BIT_MASK(REL_Y);
	330	input_dev->absbit[0] \|= BIT_MASK(ABS_X) \| BIT_MASK(ABS_Y) \|
	331	BIT_MASK(ABS_THROTTLE) \| BIT_MASK(ABS_RUDDER) \|
	332	BIT_MASK(ABS_HAT0X) \| BIT_MASK(ABS_HAT0Y) \|
	333	BIT_MASK(ABS_HAT1X) \| BIT_MASK(ABS_HAT1Y);
	334	input_dev->keybit[BIT_WORD(BTN_MOUSE)] \|= BIT_MASK(BTN_RIGHT) \|
	335	BIT_MASK(BTN_LEFT) \| BIT_MASK(BTN_MIDDLE) \|
	336	BIT_MASK(BTN_SIDE) \| BIT_MASK(BTN_EXTRA);
	337	input_dev->keybit[BIT_WORD(BTN_JOYSTICK)] \|=
	338	BIT_MASK(BTN_TRIGGER) \| BIT_MASK(BTN_THUMB) \|
	339	BIT_MASK(BTN_TOP) \| BIT_MASK(BTN_PINKIE);
1da177e4 LT	340
	341	a3d_read(a3d, data);
	342
	343	for (i = 0; i < 4; i++) {
	344	if (i < 2)
987a6c02 DM	345	input_set_abs_params(input_dev, axes[i],
987a6c02 DM	346	48, input_abs_get_val(input_dev, axes[i]) * 2 - 48, 0, 8);
1da177e4	347	else
275c6ce2 DT	348	input_set_abs_params(input_dev, axes[i], 2, 253, 0, 0);
275c6ce2 DT	349	input_set_abs_params(input_dev, ABS_HAT0X + i, -1, 1, 0, 0);
1da177e4 LT	350	}
	351
	352	} else {
	353	a3d->length = 29;
	354
7b19ada2 JS	355	input_dev->evbit[0] \|= BIT_MASK(EV_KEY) \| BIT_MASK(EV_REL);
	356	input_dev->relbit[0] \|= BIT_MASK(REL_X) \| BIT_MASK(REL_Y);
	357	input_dev->keybit[BIT_WORD(BTN_MOUSE)] \|= BIT_MASK(BTN_RIGHT) \|
	358	BIT_MASK(BTN_LEFT) \| BIT_MASK(BTN_MIDDLE);
1da177e4 LT	359
	360	a3d_read(a3d, data);
	361
	362	if (!(a3d->adc = adc = gameport_allocate_port()))
	363	printk(KERN_ERR "a3d: Not enough memory for ADC port\n");
	364	else {
	365	adc->port_data = a3d;
	366	adc->open = a3d_adc_open;
	367	adc->close = a3d_adc_close;
	368	adc->cooked_read = a3d_adc_cooked_read;
	369	adc->fuzz = 1;
	370
	371	gameport_set_name(adc, a3d_names[a3d->mode]);
	372	gameport_set_phys(adc, "%s/gameport0", gameport->phys);
	373	adc->dev.parent = &gameport->dev;
	374
	375	gameport_register_port(adc);
	376	}
	377	}
	378
275c6ce2 DT	379	err = input_register_device(a3d->dev);
	380	if (err)
	381	goto fail3;
1da177e4 LT	382
	383	return 0;
	384
275c6ce2 DT	385	fail3: if (a3d->adc)
	386	gameport_unregister_port(a3d->adc);
	387	fail2: gameport_close(gameport);
	388	fail1: gameport_set_drvdata(gameport, NULL);
	389	input_free_device(input_dev);
1da177e4 LT	390	kfree(a3d);
	391	return err;
	392	}
	393
	394	static void a3d_disconnect(struct gameport *gameport)
	395	{
	396	struct a3d *a3d = gameport_get_drvdata(gameport);
	397
275c6ce2 DT	398	input_unregister_device(a3d->dev);
275c6ce2 DT	399	if (a3d->adc)
1da177e4	400	gameport_unregister_port(a3d->adc);
1da177e4 LT	401	gameport_close(gameport);
	402	gameport_set_drvdata(gameport, NULL);
	403	kfree(a3d);
	404	}
	405
	406	static struct gameport_driver a3d_drv = {
	407	.driver = {
	408	.name = "adc",
275c6ce2	409	.owner = THIS_MODULE,
1da177e4 LT	410	},
	411	.description = DRIVER_DESC,
	412	.connect = a3d_connect,
	413	.disconnect = a3d_disconnect,
	414	};
	415
98a84131	416	module_gameport_driver(a3d_drv);