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

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  Copyright (c) 1998-2001 Vojtech Pavlik
 */

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

/*
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.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 <vojtech@ucw.cz>");
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 <vojtech@ucw.cz>\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
1a59d1b8	1	// SPDX-License-Identifier: GPL-2.0-or-later
1da177e4	2	/*
1da177e4 LT	3	* Copyright (c) 1998-2001 Vojtech Pavlik
	4	*/
	5
	6	/*
25985edc	7	* FP-Gaming Assassin 3D joystick driver for Linux
1da177e4 LT	8	*/
	9
	10	/*
1da177e4 LT	11	*/
	12
	13	#include <linux/kernel.h>
	14	#include <linux/module.h>
	15	#include <linux/slab.h>
1da177e4 LT	16	#include <linux/gameport.h>
1da177e4 LT	17	#include <linux/input.h>
4e57b681	18	#include <linux/jiffies.h>
1da177e4	19
25985edc	20	#define DRIVER_DESC "FP-Gaming Assassin 3D joystick driver"
1da177e4 LT	21
	22	MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
	23	MODULE_DESCRIPTION(DRIVER_DESC);
	24	MODULE_LICENSE("GPL");
	25
	26	#define A3D_MAX_START 600 /* 600 us */
	27	#define A3D_MAX_STROBE 80 /* 80 us */
	28	#define A3D_MAX_LENGTH 40 /* 403 bits /
	29
	30	#define A3D_MODE_A3D 1 /* Assassin 3D */
	31	#define A3D_MODE_PAN 2 /* Panther */
	32	#define A3D_MODE_OEM 3 /* Panther OEM version */
	33	#define A3D_MODE_PXL 4 /* Panther XL */
	34
	35	static char *a3d_names[] = { NULL, "FP-Gaming Assassin 3D", "MadCatz Panther", "OEM Panther",
	36	"MadCatz Panther XL", "MadCatz Panther XL w/ rudder" };
	37
	38	struct a3d {
	39	struct gameport *gameport;
	40	struct gameport *adc;
275c6ce2	41	struct input_dev *dev;
1da177e4 LT	42	int axes[4];
	43	int buttons;
	44	int mode;
	45	int length;
	46	int reads;
	47	int bads;
	48	char phys[32];
	49	};
	50
	51	/*
	52	* a3d_read_packet() reads an Assassin 3D packet.
	53	*/
	54
	55	static int a3d_read_packet(struct gameport gameport, int length, char data)
	56	{
	57	unsigned long flags;
	58	unsigned char u, v;
	59	unsigned int t, s;
	60	int i;
	61
	62	i = 0;
	63	t = gameport_time(gameport, A3D_MAX_START);
	64	s = gameport_time(gameport, A3D_MAX_STROBE);
	65
	66	local_irq_save(flags);
	67	gameport_trigger(gameport);
	68	v = gameport_read(gameport);
	69
	70	while (t > 0 && i < length) {
	71	t--;
	72	u = v; v = gameport_read(gameport);
	73	if (~v & u & 0x10) {
	74	data[i++] = v >> 5;
	75	t = s;
	76	}
	77	}
	78
	79	local_irq_restore(flags);
	80
	81	return i;
	82	}
	83
	84	/*
	85	* a3d_csum() computes checksum of triplet packet
	86	*/
	87
	88	static int a3d_csum(char *data, int count)
	89	{
	90	int i, csum = 0;
	91
	92	for (i = 0; i < count - 2; i++)
	93	csum += data[i];
	94	return (csum & 0x3f) != ((data[count - 2] << 3) \| data[count - 1]);
	95	}
	96
	97	static void a3d_read(struct a3d a3d, unsigned char data)
	98	{
275c6ce2	99	struct input_dev *dev = a3d->dev;
1da177e4 LT	100
	101	switch (a3d->mode) {
	102
	103	case A3D_MODE_A3D:
	104	case A3D_MODE_OEM:
	105	case A3D_MODE_PAN:
	106
	107	input_report_rel(dev, REL_X, ((data[5] << 6) \| (data[6] << 3) \| data[ 7]) - ((data[5] & 4) << 7));
	108	input_report_rel(dev, REL_Y, ((data[8] << 6) \| (data[9] << 3) \| data[10]) - ((data[8] & 4) << 7));
	109
	110	input_report_key(dev, BTN_RIGHT, data[2] & 1);
	111	input_report_key(dev, BTN_LEFT, data[3] & 2);
	112	input_report_key(dev, BTN_MIDDLE, data[3] & 4);
	113
	114	input_sync(dev);
	115
	116	a3d->axes[0] = ((signed char)((data[11] << 6) \| (data[12] << 3) \| (data[13]))) + 128;
	117	a3d->axes[1] = ((signed char)((data[14] << 6) \| (data[15] << 3) \| (data[16]))) + 128;
	118	a3d->axes[2] = ((signed char)((data[17] << 6) \| (data[18] << 3) \| (data[19]))) + 128;
	119	a3d->axes[3] = ((signed char)((data[20] << 6) \| (data[21] << 3) \| (data[22]))) + 128;
	120
	121	a3d->buttons = ((data[3] << 3) \| data[4]) & 0xf;
	122
	123	break;
	124
	125	case A3D_MODE_PXL:
	126
	127	input_report_rel(dev, REL_X, ((data[ 9] << 6) \| (data[10] << 3) \| data[11]) - ((data[ 9] & 4) << 7));
	128	input_report_rel(dev, REL_Y, ((data[12] << 6) \| (data[13] << 3) \| data[14]) - ((data[12] & 4) << 7));
	129
	130	input_report_key(dev, BTN_RIGHT, data[2] & 1);
	131	input_report_key(dev, BTN_LEFT, data[3] & 2);
	132	input_report_key(dev, BTN_MIDDLE, data[3] & 4);
	133	input_report_key(dev, BTN_SIDE, data[7] & 2);
	134	input_report_key(dev, BTN_EXTRA, data[7] & 4);
	135
	136	input_report_abs(dev, ABS_X, ((signed char)((data[15] << 6) \| (data[16] << 3) \| (data[17]))) + 128);
	137	input_report_abs(dev, ABS_Y, ((signed char)((data[18] << 6) \| (data[19] << 3) \| (data[20]))) + 128);
	138	input_report_abs(dev, ABS_RUDDER, ((signed char)((data[21] << 6) \| (data[22] << 3) \| (data[23]))) + 128);
	139	input_report_abs(dev, ABS_THROTTLE, ((signed char)((data[24] << 6) \| (data[25] << 3) \| (data[26]))) + 128);
	140
	141	input_report_abs(dev, ABS_HAT0X, ( data[5] & 1) - ((data[5] >> 2) & 1));
	142	input_report_abs(dev, ABS_HAT0Y, ((data[5] >> 1) & 1) - ((data[6] >> 2) & 1));
	143	input_report_abs(dev, ABS_HAT1X, ((data[4] >> 1) & 1) - ( data[3] & 1));
	144	input_report_abs(dev, ABS_HAT1Y, ((data[4] >> 2) & 1) - ( data[4] & 1));
	145
	146	input_report_key(dev, BTN_TRIGGER, data[8] & 1);
	147	input_report_key(dev, BTN_THUMB, data[8] & 2);
	148	input_report_key(dev, BTN_TOP, data[8] & 4);
	149	input_report_key(dev, BTN_PINKIE, data[7] & 1);
	150
	151	input_sync(dev);
	152
	153	break;
	154	}
	155	}
	156
	157
	158	/*
	159	* a3d_poll() reads and analyzes A3D joystick data.
	160	*/
	161
	162	static void a3d_poll(struct gameport *gameport)
	163	{
164	struct a3d *a3d = gameport_get_drvdata(gameport);
165	unsigned char data[A3D_MAX_LENGTH];
166
167	a3d->reads++;
168	if (a3d_read_packet(a3d->gameport, a3d->length, data) != a3d->length \|\|
169	data[0] != a3d->mode \|\| a3d_csum(data, a3d->length))
ab0c3443	170	a3d->bads++;
1da177e4 LT	171	else
	172	a3d_read(a3d, data);
	173	}
	174
	175	/*
	176	* a3d_adc_cooked_read() copies the acis and button data to the
	177	* callers arrays. It could do the read itself, but the caller could
	178	* call this more than 50 times a second, which would use too much CPU.
	179	*/
	180
	181	static int a3d_adc_cooked_read(struct gameport gameport, int axes, int *buttons)
	182	{
	183	struct a3d *a3d = gameport->port_data;
	184	int i;
	185
	186	for (i = 0; i < 4; i++)
	187	axes[i] = (a3d->axes[i] < 254) ? a3d->axes[i] : -1;
	188	*buttons = a3d->buttons;
	189	return 0;
	190	}
	191
	192	/*
	193	* a3d_adc_open() is the gameport open routine. It refuses to serve
	194	* any but cooked data.
	195	*/
	196
	197	static int a3d_adc_open(struct gameport *gameport, int mode)
	198	{
	199	struct a3d *a3d = gameport->port_data;
	200
	201	if (mode != GAMEPORT_MODE_COOKED)
	202	return -1;
	203
	204	gameport_start_polling(a3d->gameport);
	205	return 0;
	206	}
	207
	208	/*
	209	* a3d_adc_close() is a callback from the input close routine.
	210	*/
	211
	212	static void a3d_adc_close(struct gameport *gameport)
	213	{
	214	struct a3d *a3d = gameport->port_data;
	215
	216	gameport_stop_polling(a3d->gameport);
	217	}
	218
	219	/*
	220	* a3d_open() is a callback from the input open routine.
	221	*/
	222
	223	static int a3d_open(struct input_dev *dev)
	224	{
8715c1cf	225	struct a3d *a3d = input_get_drvdata(dev);
1da177e4 LT	226
	227	gameport_start_polling(a3d->gameport);
	228	return 0;
	229	}
	230
	231	/*
	232	* a3d_close() is a callback from the input close routine.
	233	*/
	234
	235	static void a3d_close(struct input_dev *dev)
	236	{
8715c1cf	237	struct a3d *a3d = input_get_drvdata(dev);
1da177e4 LT	238
	239	gameport_stop_polling(a3d->gameport);
	240	}
	241
	242	/*
	243	* a3d_connect() probes for A3D joysticks.
	244	*/
	245
	246	static int a3d_connect(struct gameport gameport, struct gameport_driver drv)
	247	{
	248	struct a3d *a3d;
275c6ce2	249	struct input_dev *input_dev;
1da177e4 LT	250	struct gameport *adc;
	251	unsigned char data[A3D_MAX_LENGTH];
	252	int i;
	253	int err;
	254
275c6ce2 DT	255	a3d = kzalloc(sizeof(struct a3d), GFP_KERNEL);
	256	input_dev = input_allocate_device();
	257	if (!a3d \|\| !input_dev) {
	258	err = -ENOMEM;
	259	goto fail1;
	260	}
1da177e4	261
275c6ce2	262	a3d->dev = input_dev;
1da177e4 LT	263	a3d->gameport = gameport;
	264
	265	gameport_set_drvdata(gameport, a3d);
	266
	267	err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW);
	268	if (err)
	269	goto fail1;
	270
	271	i = a3d_read_packet(gameport, A3D_MAX_LENGTH, data);
	272
	273	if (!i \|\| a3d_csum(data, i)) {
	274	err = -ENODEV;
	275	goto fail2;
	276	}
	277
	278	a3d->mode = data[0];
	279
	280	if (!a3d->mode \|\| a3d->mode > 5) {
	281	printk(KERN_WARNING "a3d.c: Unknown A3D device detected "
	282	"(%s, id=%d), contact <vojtech@ucw.cz>\n", gameport->phys, a3d->mode);
	283	err = -ENODEV;
	284	goto fail2;
	285	}
	286
	287	gameport_set_poll_handler(gameport, a3d_poll);
	288	gameport_set_poll_interval(gameport, 20);
	289
10ca4c0a	290	snprintf(a3d->phys, sizeof(a3d->phys), "%s/input0", gameport->phys);
1da177e4	291
275c6ce2 DT	292	input_dev->name = a3d_names[a3d->mode];
	293	input_dev->phys = a3d->phys;
	294	input_dev->id.bustype = BUS_GAMEPORT;
	295	input_dev->id.vendor = GAMEPORT_ID_VENDOR_MADCATZ;
	296	input_dev->id.product = a3d->mode;
	297	input_dev->id.version = 0x0100;
935e658e	298	input_dev->dev.parent = &gameport->dev;
275c6ce2 DT	299	input_dev->open = a3d_open;
	300	input_dev->close = a3d_close;
	301
8715c1cf DT	302	input_set_drvdata(input_dev, a3d);
8715c1cf DT	303
1da177e4 LT	304	if (a3d->mode == A3D_MODE_PXL) {
	305
	306	int axes[] = { ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER };
	307
	308	a3d->length = 33;
	309
7b19ada2 JS	310	input_dev->evbit[0] \|= BIT_MASK(EV_ABS) \| BIT_MASK(EV_KEY) \|
	311	BIT_MASK(EV_REL);
	312	input_dev->relbit[0] \|= BIT_MASK(REL_X) \| BIT_MASK(REL_Y);
	313	input_dev->absbit[0] \|= BIT_MASK(ABS_X) \| BIT_MASK(ABS_Y) \|
	314	BIT_MASK(ABS_THROTTLE) \| BIT_MASK(ABS_RUDDER) \|
	315	BIT_MASK(ABS_HAT0X) \| BIT_MASK(ABS_HAT0Y) \|
	316	BIT_MASK(ABS_HAT1X) \| BIT_MASK(ABS_HAT1Y);
	317	input_dev->keybit[BIT_WORD(BTN_MOUSE)] \|= BIT_MASK(BTN_RIGHT) \|
	318	BIT_MASK(BTN_LEFT) \| BIT_MASK(BTN_MIDDLE) \|
	319	BIT_MASK(BTN_SIDE) \| BIT_MASK(BTN_EXTRA);
	320	input_dev->keybit[BIT_WORD(BTN_JOYSTICK)] \|=
	321	BIT_MASK(BTN_TRIGGER) \| BIT_MASK(BTN_THUMB) \|
	322	BIT_MASK(BTN_TOP) \| BIT_MASK(BTN_PINKIE);
1da177e4 LT	323
	324	a3d_read(a3d, data);
	325
	326	for (i = 0; i < 4; i++) {
	327	if (i < 2)
987a6c02 DM	328	input_set_abs_params(input_dev, axes[i],
987a6c02 DM	329	48, input_abs_get_val(input_dev, axes[i]) * 2 - 48, 0, 8);
1da177e4	330	else
275c6ce2 DT	331	input_set_abs_params(input_dev, axes[i], 2, 253, 0, 0);
275c6ce2 DT	332	input_set_abs_params(input_dev, ABS_HAT0X + i, -1, 1, 0, 0);
1da177e4 LT	333	}
	334
	335	} else {
	336	a3d->length = 29;
	337
7b19ada2 JS	338	input_dev->evbit[0] \|= BIT_MASK(EV_KEY) \| BIT_MASK(EV_REL);
	339	input_dev->relbit[0] \|= BIT_MASK(REL_X) \| BIT_MASK(REL_Y);
	340	input_dev->keybit[BIT_WORD(BTN_MOUSE)] \|= BIT_MASK(BTN_RIGHT) \|
	341	BIT_MASK(BTN_LEFT) \| BIT_MASK(BTN_MIDDLE);
1da177e4 LT	342
	343	a3d_read(a3d, data);
	344
	345	if (!(a3d->adc = adc = gameport_allocate_port()))
	346	printk(KERN_ERR "a3d: Not enough memory for ADC port\n");
	347	else {
	348	adc->port_data = a3d;
	349	adc->open = a3d_adc_open;
	350	adc->close = a3d_adc_close;
	351	adc->cooked_read = a3d_adc_cooked_read;
	352	adc->fuzz = 1;
	353
	354	gameport_set_name(adc, a3d_names[a3d->mode]);
	355	gameport_set_phys(adc, "%s/gameport0", gameport->phys);
	356	adc->dev.parent = &gameport->dev;
	357
	358	gameport_register_port(adc);
	359	}
	360	}
	361
275c6ce2 DT	362	err = input_register_device(a3d->dev);
	363	if (err)
	364	goto fail3;
1da177e4 LT	365
	366	return 0;
	367
275c6ce2 DT	368	fail3: if (a3d->adc)
	369	gameport_unregister_port(a3d->adc);
	370	fail2: gameport_close(gameport);
	371	fail1: gameport_set_drvdata(gameport, NULL);
	372	input_free_device(input_dev);
1da177e4 LT	373	kfree(a3d);
	374	return err;
	375	}
	376
	377	static void a3d_disconnect(struct gameport *gameport)
	378	{
	379	struct a3d *a3d = gameport_get_drvdata(gameport);
	380
275c6ce2 DT	381	input_unregister_device(a3d->dev);
275c6ce2 DT	382	if (a3d->adc)
1da177e4	383	gameport_unregister_port(a3d->adc);
1da177e4 LT	384	gameport_close(gameport);
	385	gameport_set_drvdata(gameport, NULL);
	386	kfree(a3d);
	387	}
	388
	389	static struct gameport_driver a3d_drv = {
	390	.driver = {
	391	.name = "adc",
275c6ce2	392	.owner = THIS_MODULE,
1da177e4 LT	393	},
	394	.description = DRIVER_DESC,
	395	.connect = a3d_connect,
	396	.disconnect = a3d_disconnect,
	397	};
	398
98a84131	399	module_gameport_driver(a3d_drv);