[mirror_ubuntu-artful-kernel.git] / drivers / input / joystick / gf2k.c

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

/*
 * Genius Flight 2000 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 <vojtech@ucw.cz>, or by paper mail:
 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
 */

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

#define DRIVER_DESC	"Genius Flight 2000 joystick driver"

MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");

#define GF2K_START		400	/* The time we wait for the first bit [400 us] */
#define GF2K_STROBE		40	/* The time we wait for the first bit [40 us] */
#define GF2K_TIMEOUT		4	/* Wait for everything to settle [4 ms] */
#define GF2K_LENGTH		80	/* Max number of triplets in a packet */

/*
 * Genius joystick ids ...
 */

#define GF2K_ID_G09		1
#define GF2K_ID_F30D		2
#define GF2K_ID_F30		3
#define GF2K_ID_F31D		4
#define GF2K_ID_F305		5
#define GF2K_ID_F23P		6
#define GF2K_ID_F31		7
#define GF2K_ID_MAX		7

static char gf2k_length[] = { 40, 40, 40, 40, 40, 40, 40, 40 };
static char gf2k_hat_to_axis[][2] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};

static char *gf2k_names[] = {"", "Genius G-09D", "Genius F-30D", "Genius F-30", "Genius MaxFighter F-31D",
				"Genius F-30-5", "Genius Flight2000 F-23", "Genius F-31"};
static unsigned char gf2k_hats[] = { 0, 2, 0, 0, 2, 0, 2, 0 };
static unsigned char gf2k_axes[] = { 0, 2, 0, 0, 4, 0, 4, 0 };
static unsigned char gf2k_joys[] = { 0, 0, 0, 0,10, 0, 8, 0 };
static unsigned char gf2k_pads[] = { 0, 6, 0, 0, 0, 0, 0, 0 };
static unsigned char gf2k_lens[] = { 0,18, 0, 0,18, 0,18, 0 };

static unsigned char gf2k_abs[] = { ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER, ABS_GAS, ABS_BRAKE };
static short gf2k_btn_joy[] = { BTN_TRIGGER, BTN_THUMB, BTN_TOP, BTN_TOP2, BTN_BASE, BTN_BASE2, BTN_BASE3, BTN_BASE4 };
static short gf2k_btn_pad[] = { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_TL2, BTN_TR2, BTN_START, BTN_SELECT };


static short gf2k_seq_reset[] = { 240, 340, 0 };
static short gf2k_seq_digital[] = { 590, 320, 860, 0 };

struct gf2k {
	struct gameport *gameport;
	struct input_dev *dev;
	int reads;
	int bads;
	unsigned char id;
	unsigned char length;
	char phys[32];
};

/*
 * gf2k_read_packet() reads a Genius Flight2000 packet.
 */

static int gf2k_read_packet(struct gameport *gameport, int length, char *data)
{
	unsigned char u, v;
	int i;
	unsigned int t, p;
	unsigned long flags;

	t = gameport_time(gameport, GF2K_START);
	p = gameport_time(gameport, GF2K_STROBE);

	i = 0;

	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 = p;
		}
	}

	local_irq_restore(flags);

	return i;
}

/*
 * gf2k_trigger_seq() initializes a Genius Flight2000 joystick
 * into digital mode.
 */

static void gf2k_trigger_seq(struct gameport *gameport, short *seq)
{

	unsigned long flags;
	int i, t;

        local_irq_save(flags);

	i = 0;
        do {
		gameport_trigger(gameport);
		t = gameport_time(gameport, GF2K_TIMEOUT * 1000);
		while ((gameport_read(gameport) & 1) && t) t--;
                udelay(seq[i]);
        } while (seq[++i]);

	gameport_trigger(gameport);

	local_irq_restore(flags);
}

/*
 * js_sw_get_bits() composes bits from the triplet buffer into a __u64.
 * Parameter 'pos' is bit number inside packet where to start at, 'num' is number
 * of bits to be read, 'shift' is offset in the resulting __u64 to start at, bits
 * is number of bits per triplet.
 */

#define GB(p,n,s)	gf2k_get_bits(data, p, n, s)

static int gf2k_get_bits(unsigned char *buf, int pos, int num, int shift)
{
	__u64 data = 0;
	int i;

	for (i = 0; i < num / 3 + 2; i++)
		data |= buf[pos / 3 + i] << (i * 3);
	data >>= pos % 3;
	data &= (1 << num) - 1;
	data <<= shift;

	return data;
}

static void gf2k_read(struct gf2k *gf2k, unsigned char *data)
{
	struct input_dev *dev = gf2k->dev;
	int i, t;

	for (i = 0; i < 4 && i < gf2k_axes[gf2k->id]; i++)
		input_report_abs(dev, gf2k_abs[i], GB(i<<3,8,0) | GB(i+46,1,8) | GB(i+50,1,9));

	for (i = 0; i < 2 && i < gf2k_axes[gf2k->id] - 4; i++)
		input_report_abs(dev, gf2k_abs[i], GB(i*9+60,8,0) | GB(i+54,1,9));

	t = GB(40,4,0);

	for (i = 0; i < gf2k_hats[gf2k->id]; i++)
		input_report_abs(dev, ABS_HAT0X + i, gf2k_hat_to_axis[t][i]);

	t = GB(44,2,0) | GB(32,8,2) | GB(78,2,10);

	for (i = 0; i < gf2k_joys[gf2k->id]; i++)
		input_report_key(dev, gf2k_btn_joy[i], (t >> i) & 1);

	for (i = 0; i < gf2k_pads[gf2k->id]; i++)
		input_report_key(dev, gf2k_btn_pad[i], (t >> i) & 1);

	input_sync(dev);
}

/*
 * gf2k_poll() reads and analyzes Genius joystick data.
 */

static void gf2k_poll(struct gameport *gameport)
{
	struct gf2k *gf2k = gameport_get_drvdata(gameport);
	unsigned char data[GF2K_LENGTH];

	gf2k->reads++;

	if (gf2k_read_packet(gf2k->gameport, gf2k_length[gf2k->id], data) < gf2k_length[gf2k->id])
		gf2k->bads++;
	else
		gf2k_read(gf2k, data);
}

static int gf2k_open(struct input_dev *dev)
{
	struct gf2k *gf2k = input_get_drvdata(dev);

	gameport_start_polling(gf2k->gameport);
	return 0;
}

static void gf2k_close(struct input_dev *dev)
{
	struct gf2k *gf2k = input_get_drvdata(dev);

	gameport_stop_polling(gf2k->gameport);
}

/*
 * gf2k_connect() probes for Genius id joysticks.
 */

static int gf2k_connect(struct gameport *gameport, struct gameport_driver *drv)
{
	struct gf2k *gf2k;
	struct input_dev *input_dev;
	unsigned char data[GF2K_LENGTH];
	int i, err;

	gf2k = kzalloc(sizeof(struct gf2k), GFP_KERNEL);
	input_dev = input_allocate_device();
	if (!gf2k || !input_dev) {
		err = -ENOMEM;
		goto fail1;
	}

	gf2k->gameport = gameport;
	gf2k->dev = input_dev;

	gameport_set_drvdata(gameport, gf2k);

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

	gf2k_trigger_seq(gameport, gf2k_seq_reset);

	msleep(GF2K_TIMEOUT);

	gf2k_trigger_seq(gameport, gf2k_seq_digital);

	msleep(GF2K_TIMEOUT);

	if (gf2k_read_packet(gameport, GF2K_LENGTH, data) < 12) {
		err = -ENODEV;
		goto fail2;
	}

	if (!(gf2k->id = GB(7,2,0) | GB(3,3,2) | GB(0,3,5))) {
		err = -ENODEV;
		goto fail2;
	}

#ifdef RESET_WORKS
	if ((gf2k->id != (GB(19,2,0) | GB(15,3,2) | GB(12,3,5))) &&
	    (gf2k->id != (GB(31,2,0) | GB(27,3,2) | GB(24,3,5)))) {
		err = -ENODEV;
		goto fail2;
	}
#else
	gf2k->id = 6;
#endif

	if (gf2k->id > GF2K_ID_MAX || !gf2k_axes[gf2k->id]) {
		printk(KERN_WARNING "gf2k.c: Not yet supported joystick on %s. [id: %d type:%s]\n",
			gameport->phys, gf2k->id, gf2k->id > GF2K_ID_MAX ? "Unknown" : gf2k_names[gf2k->id]);
		err = -ENODEV;
		goto fail2;
	}

	gameport_set_poll_handler(gameport, gf2k_poll);
	gameport_set_poll_interval(gameport, 20);

	snprintf(gf2k->phys, sizeof(gf2k->phys), "%s/input0", gameport->phys);

	gf2k->length = gf2k_lens[gf2k->id];

	input_dev->name = gf2k_names[gf2k->id];
	input_dev->phys = gf2k->phys;
	input_dev->id.bustype = BUS_GAMEPORT;
	input_dev->id.vendor = GAMEPORT_ID_VENDOR_GENIUS;
	input_dev->id.product = gf2k->id;
	input_dev->id.version = 0x0100;
	input_dev->dev.parent = &gameport->dev;

	input_set_drvdata(input_dev, gf2k);

	input_dev->open = gf2k_open;
	input_dev->close = gf2k_close;

	input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);

	for (i = 0; i < gf2k_axes[gf2k->id]; i++)
		set_bit(gf2k_abs[i], input_dev->absbit);

	for (i = 0; i < gf2k_hats[gf2k->id]; i++)
		input_set_abs_params(input_dev, ABS_HAT0X + i, -1, 1, 0, 0);

	for (i = 0; i < gf2k_joys[gf2k->id]; i++)
		set_bit(gf2k_btn_joy[i], input_dev->keybit);

	for (i = 0; i < gf2k_pads[gf2k->id]; i++)
		set_bit(gf2k_btn_pad[i], input_dev->keybit);

	gf2k_read_packet(gameport, gf2k->length, data);
	gf2k_read(gf2k, data);

	for (i = 0; i < gf2k_axes[gf2k->id]; i++) {
		int max = i < 2 ?
			input_abs_get_val(input_dev, gf2k_abs[i]) * 2 :
			input_abs_get_val(input_dev, gf2k_abs[0]) +
				input_abs_get_val(input_dev, gf2k_abs[1]);
		int flat = i < 2 ? 24 : 0;

		input_set_abs_params(input_dev, gf2k_abs[i],
				     32, max - 32, 8, flat);
	}

	err = input_register_device(gf2k->dev);
	if (err)
		goto fail2;

	return 0;

 fail2:	gameport_close(gameport);
 fail1:	gameport_set_drvdata(gameport, NULL);
	input_free_device(input_dev);
	kfree(gf2k);
	return err;
}

static void gf2k_disconnect(struct gameport *gameport)
{
	struct gf2k *gf2k = gameport_get_drvdata(gameport);

	input_unregister_device(gf2k->dev);
	gameport_close(gameport);
	gameport_set_drvdata(gameport, NULL);
	kfree(gf2k);
}

static struct gameport_driver gf2k_drv = {
	.driver		= {
		.name	= "gf2k",
	},
	.description	= DRIVER_DESC,
	.connect	= gf2k_connect,
	.disconnect	= gf2k_disconnect,
};

module_gameport_driver(gf2k_drv);
Commit	Line	Data
1da177e4	1	/*
1da177e4 LT	2	* Copyright (c) 1998-2001 Vojtech Pavlik
	3	*/
	4
	5	/*
	6	* Genius Flight 2000 joystick driver for Linux
	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 <vojtech@ucw.cz>, or by paper mail:
	26	* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
	27	*/
	28
	29	#include <linux/delay.h>
	30	#include <linux/kernel.h>
	31	#include <linux/slab.h>
	32	#include <linux/module.h>
1da177e4 LT	33	#include <linux/input.h>
1da177e4 LT	34	#include <linux/gameport.h>
4e57b681	35	#include <linux/jiffies.h>
1da177e4 LT	36
	37	#define DRIVER_DESC "Genius Flight 2000 joystick driver"
	38
	39	MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
	40	MODULE_DESCRIPTION(DRIVER_DESC);
	41	MODULE_LICENSE("GPL");
	42
	43	#define GF2K_START 400 /* The time we wait for the first bit [400 us] */
	44	#define GF2K_STROBE 40 /* The time we wait for the first bit [40 us] */
	45	#define GF2K_TIMEOUT 4 /* Wait for everything to settle [4 ms] */
	46	#define GF2K_LENGTH 80 /* Max number of triplets in a packet */
	47
	48	/*
	49	* Genius joystick ids ...
	50	*/
	51
	52	#define GF2K_ID_G09 1
	53	#define GF2K_ID_F30D 2
	54	#define GF2K_ID_F30 3
	55	#define GF2K_ID_F31D 4
	56	#define GF2K_ID_F305 5
	57	#define GF2K_ID_F23P 6
	58	#define GF2K_ID_F31 7
	59	#define GF2K_ID_MAX 7
	60
	61	static char gf2k_length[] = { 40, 40, 40, 40, 40, 40, 40, 40 };
	62	static char gf2k_hat_to_axis[][2] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
	63
	64	static char *gf2k_names[] = {"", "Genius G-09D", "Genius F-30D", "Genius F-30", "Genius MaxFighter F-31D",
	65	"Genius F-30-5", "Genius Flight2000 F-23", "Genius F-31"};
	66	static unsigned char gf2k_hats[] = { 0, 2, 0, 0, 2, 0, 2, 0 };
	67	static unsigned char gf2k_axes[] = { 0, 2, 0, 0, 4, 0, 4, 0 };
	68	static unsigned char gf2k_joys[] = { 0, 0, 0, 0,10, 0, 8, 0 };
	69	static unsigned char gf2k_pads[] = { 0, 6, 0, 0, 0, 0, 0, 0 };
	70	static unsigned char gf2k_lens[] = { 0,18, 0, 0,18, 0,18, 0 };
	71
	72	static unsigned char gf2k_abs[] = { ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER, ABS_GAS, ABS_BRAKE };
	73	static short gf2k_btn_joy[] = { BTN_TRIGGER, BTN_THUMB, BTN_TOP, BTN_TOP2, BTN_BASE, BTN_BASE2, BTN_BASE3, BTN_BASE4 };
	74	static short gf2k_btn_pad[] = { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_TL2, BTN_TR2, BTN_START, BTN_SELECT };
	75
	76
	77	static short gf2k_seq_reset[] = { 240, 340, 0 };
	78	static short gf2k_seq_digital[] = { 590, 320, 860, 0 };
	79
	80	struct gf2k {
	81	struct gameport *gameport;
17dd3f0f	82	struct input_dev *dev;
1da177e4 LT	83	int reads;
	84	int bads;
	85	unsigned char id;
	86	unsigned char length;
	87	char phys[32];
	88	};
	89
	90	/*
	91	* gf2k_read_packet() reads a Genius Flight2000 packet.
	92	*/
	93
	94	static int gf2k_read_packet(struct gameport gameport, int length, char data)
	95	{
	96	unsigned char u, v;
	97	int i;
	98	unsigned int t, p;
	99	unsigned long flags;
	100
	101	t = gameport_time(gameport, GF2K_START);
	102	p = gameport_time(gameport, GF2K_STROBE);
	103
	104	i = 0;
	105
	106	local_irq_save(flags);
	107
	108	gameport_trigger(gameport);
	109	v = gameport_read(gameport);
	110
	111	while (t > 0 && i < length) {
	112	t--; u = v;
	113	v = gameport_read(gameport);
	114	if (v & ~u & 0x10) {
	115	data[i++] = v >> 5;
	116	t = p;
	117	}
	118	}
	119
	120	local_irq_restore(flags);
	121
	122	return i;
	123	}
	124
	125	/*
	126	* gf2k_trigger_seq() initializes a Genius Flight2000 joystick
	127	* into digital mode.
	128	*/
	129
	130	static void gf2k_trigger_seq(struct gameport gameport, short seq)
	131	{
	132
	133	unsigned long flags;
	134	int i, t;
	135
	136	local_irq_save(flags);
	137
	138	i = 0;
	139	do {
	140	gameport_trigger(gameport);
	141	t = gameport_time(gameport, GF2K_TIMEOUT * 1000);
	142	while ((gameport_read(gameport) & 1) && t) t--;
	143	udelay(seq[i]);
	144	} while (seq[++i]);
	145
	146	gameport_trigger(gameport);
147
148	local_irq_restore(flags);
149	}
150
151	/*
152	* js_sw_get_bits() composes bits from the triplet buffer into a __u64.
153	* Parameter 'pos' is bit number inside packet where to start at, 'num' is number
154	* of bits to be read, 'shift' is offset in the resulting __u64 to start at, bits
155	* is number of bits per triplet.
156	*/
157
158	#define GB(p,n,s) gf2k_get_bits(data, p, n, s)
159
160	static int gf2k_get_bits(unsigned char *buf, int pos, int num, int shift)
161	{
162	__u64 data = 0;
163	int i;
164
165	for (i = 0; i < num / 3 + 2; i++)
166	data \|= buf[pos / 3 + i] << (i * 3);
167	data >>= pos % 3;
168	data &= (1 << num) - 1;
169	data <<= shift;
170
171	return data;
172	}
173
174	static void gf2k_read(struct gf2k gf2k, unsigned char data)
175	{
17dd3f0f	176	struct input_dev *dev = gf2k->dev;
1da177e4 LT	177	int i, t;
	178
	179	for (i = 0; i < 4 && i < gf2k_axes[gf2k->id]; i++)
	180	input_report_abs(dev, gf2k_abs[i], GB(i<<3,8,0) \| GB(i+46,1,8) \| GB(i+50,1,9));
	181
	182	for (i = 0; i < 2 && i < gf2k_axes[gf2k->id] - 4; i++)
	183	input_report_abs(dev, gf2k_abs[i], GB(i*9+60,8,0) \| GB(i+54,1,9));
	184
	185	t = GB(40,4,0);
	186
	187	for (i = 0; i < gf2k_hats[gf2k->id]; i++)
	188	input_report_abs(dev, ABS_HAT0X + i, gf2k_hat_to_axis[t][i]);
	189
	190	t = GB(44,2,0) \| GB(32,8,2) \| GB(78,2,10);
	191
	192	for (i = 0; i < gf2k_joys[gf2k->id]; i++)
	193	input_report_key(dev, gf2k_btn_joy[i], (t >> i) & 1);
	194
	195	for (i = 0; i < gf2k_pads[gf2k->id]; i++)
	196	input_report_key(dev, gf2k_btn_pad[i], (t >> i) & 1);
	197
	198	input_sync(dev);
	199	}
	200
	201	/*
	202	* gf2k_poll() reads and analyzes Genius joystick data.
	203	*/
	204
	205	static void gf2k_poll(struct gameport *gameport)
	206	{
	207	struct gf2k *gf2k = gameport_get_drvdata(gameport);
	208	unsigned char data[GF2K_LENGTH];
	209
	210	gf2k->reads++;
	211
	212	if (gf2k_read_packet(gf2k->gameport, gf2k_length[gf2k->id], data) < gf2k_length[gf2k->id])
	213	gf2k->bads++;
	214	else
	215	gf2k_read(gf2k, data);
	216	}
	217
	218	static int gf2k_open(struct input_dev *dev)
	219	{
8715c1cf	220	struct gf2k *gf2k = input_get_drvdata(dev);
1da177e4 LT	221
	222	gameport_start_polling(gf2k->gameport);
	223	return 0;
	224	}
	225
	226	static void gf2k_close(struct input_dev *dev)
	227	{
8715c1cf	228	struct gf2k *gf2k = input_get_drvdata(dev);
1da177e4 LT	229
	230	gameport_stop_polling(gf2k->gameport);
	231	}
	232
	233	/*
	234	* gf2k_connect() probes for Genius id joysticks.
	235	*/
	236
	237	static int gf2k_connect(struct gameport gameport, struct gameport_driver drv)
	238	{
	239	struct gf2k *gf2k;
17dd3f0f	240	struct input_dev *input_dev;
1da177e4 LT	241	unsigned char data[GF2K_LENGTH];
	242	int i, err;
	243
17dd3f0f DT	244	gf2k = kzalloc(sizeof(struct gf2k), GFP_KERNEL);
	245	input_dev = input_allocate_device();
	246	if (!gf2k \|\| !input_dev) {
	247	err = -ENOMEM;
	248	goto fail1;
	249	}
1da177e4 LT	250
1da177e4 LT	251	gf2k->gameport = gameport;
17dd3f0f	252	gf2k->dev = input_dev;
1da177e4 LT	253
	254	gameport_set_drvdata(gameport, gf2k);
	255
	256	err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW);
	257	if (err)
	258	goto fail1;
	259
	260	gf2k_trigger_seq(gameport, gf2k_seq_reset);
	261
	262	msleep(GF2K_TIMEOUT);
	263
	264	gf2k_trigger_seq(gameport, gf2k_seq_digital);
	265
	266	msleep(GF2K_TIMEOUT);
	267
	268	if (gf2k_read_packet(gameport, GF2K_LENGTH, data) < 12) {
	269	err = -ENODEV;
	270	goto fail2;
	271	}
	272
	273	if (!(gf2k->id = GB(7,2,0) \| GB(3,3,2) \| GB(0,3,5))) {
	274	err = -ENODEV;
	275	goto fail2;
	276	}
	277
	278	#ifdef RESET_WORKS
abf2a117	279	if ((gf2k->id != (GB(19,2,0) \| GB(15,3,2) \| GB(12,3,5))) &&
1da177e4 LT	280	(gf2k->id != (GB(31,2,0) \| GB(27,3,2) \| GB(24,3,5)))) {
	281	err = -ENODEV;
	282	goto fail2;
	283	}
	284	#else
	285	gf2k->id = 6;
	286	#endif
	287
	288	if (gf2k->id > GF2K_ID_MAX \|\| !gf2k_axes[gf2k->id]) {
	289	printk(KERN_WARNING "gf2k.c: Not yet supported joystick on %s. [id: %d type:%s]\n",
	290	gameport->phys, gf2k->id, gf2k->id > GF2K_ID_MAX ? "Unknown" : gf2k_names[gf2k->id]);
	291	err = -ENODEV;
	292	goto fail2;
	293	}
	294
	295	gameport_set_poll_handler(gameport, gf2k_poll);
	296	gameport_set_poll_interval(gameport, 20);
	297
10ca4c0a	298	snprintf(gf2k->phys, sizeof(gf2k->phys), "%s/input0", gameport->phys);
1da177e4 LT	299
	300	gf2k->length = gf2k_lens[gf2k->id];
	301
17dd3f0f DT	302	input_dev->name = gf2k_names[gf2k->id];
	303	input_dev->phys = gf2k->phys;
	304	input_dev->id.bustype = BUS_GAMEPORT;
	305	input_dev->id.vendor = GAMEPORT_ID_VENDOR_GENIUS;
	306	input_dev->id.product = gf2k->id;
	307	input_dev->id.version = 0x0100;
935e658e	308	input_dev->dev.parent = &gameport->dev;
8715c1cf DT	309
8715c1cf DT	310	input_set_drvdata(input_dev, gf2k);
1da177e4	311
17dd3f0f DT	312	input_dev->open = gf2k_open;
17dd3f0f DT	313	input_dev->close = gf2k_close;
8715c1cf	314
7b19ada2	315	input_dev->evbit[0] = BIT_MASK(EV_KEY) \| BIT_MASK(EV_ABS);
1da177e4 LT	316
1da177e4 LT	317	for (i = 0; i < gf2k_axes[gf2k->id]; i++)
17dd3f0f	318	set_bit(gf2k_abs[i], input_dev->absbit);
1da177e4	319
987a6c02 DM	320	for (i = 0; i < gf2k_hats[gf2k->id]; i++)
987a6c02 DM	321	input_set_abs_params(input_dev, ABS_HAT0X + i, -1, 1, 0, 0);
1da177e4 LT	322
1da177e4 LT	323	for (i = 0; i < gf2k_joys[gf2k->id]; i++)
17dd3f0f	324	set_bit(gf2k_btn_joy[i], input_dev->keybit);
1da177e4 LT	325
1da177e4 LT	326	for (i = 0; i < gf2k_pads[gf2k->id]; i++)
17dd3f0f	327	set_bit(gf2k_btn_pad[i], input_dev->keybit);
1da177e4 LT	328
	329	gf2k_read_packet(gameport, gf2k->length, data);
	330	gf2k_read(gf2k, data);
	331
	332	for (i = 0; i < gf2k_axes[gf2k->id]; i++) {
987a6c02 DM	333	int max = i < 2 ?
	334	input_abs_get_val(input_dev, gf2k_abs[i]) * 2 :
	335	input_abs_get_val(input_dev, gf2k_abs[0]) +
	336	input_abs_get_val(input_dev, gf2k_abs[1]);
	337	int flat = i < 2 ? 24 : 0;
	338
	339	input_set_abs_params(input_dev, gf2k_abs[i],
	340	32, max - 32, 8, flat);
1da177e4 LT	341	}
1da177e4 LT	342
127278ce DT	343	err = input_register_device(gf2k->dev);
	344	if (err)
	345	goto fail2;
1da177e4 LT	346
	347	return 0;
	348
17dd3f0f DT	349	fail2: gameport_close(gameport);
	350	fail1: gameport_set_drvdata(gameport, NULL);
	351	input_free_device(input_dev);
1da177e4 LT	352	kfree(gf2k);
	353	return err;
	354	}
	355
	356	static void gf2k_disconnect(struct gameport *gameport)
	357	{
	358	struct gf2k *gf2k = gameport_get_drvdata(gameport);
	359
17dd3f0f	360	input_unregister_device(gf2k->dev);
1da177e4 LT	361	gameport_close(gameport);
	362	gameport_set_drvdata(gameport, NULL);
	363	kfree(gf2k);
	364	}
	365
	366	static struct gameport_driver gf2k_drv = {
	367	.driver = {
	368	.name = "gf2k",
	369	},
	370	.description = DRIVER_DESC,
	371	.connect = gf2k_connect,
	372	.disconnect = gf2k_disconnect,
	373	};
	374
98a84131	375	module_gameport_driver(gf2k_drv);