[linux-2.6-block.git] / drivers / input / mouse / logips2pp.c

/*
 * Logitech PS/2++ mouse driver
 *
 * Copyright (c) 1999-2003 Vojtech Pavlik <vojtech@suse.cz>
 * Copyright (c) 2003 Eric Wong <eric@yhbt.net>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 */

#include <linux/input.h>
#include <linux/serio.h>
#include <linux/libps2.h>
#include "psmouse.h"
#include "logips2pp.h"

/* Logitech mouse types */
#define PS2PP_KIND_WHEEL	1
#define PS2PP_KIND_MX		2
#define PS2PP_KIND_TP3		3

/* Logitech mouse features */
#define PS2PP_WHEEL		0x01
#define PS2PP_HWHEEL		0x02
#define PS2PP_SIDE_BTN		0x04
#define PS2PP_EXTRA_BTN		0x08
#define PS2PP_TASK_BTN		0x10
#define PS2PP_NAV_BTN		0x20

struct ps2pp_info {
	const int model;
	unsigned const int kind;
	unsigned const int features;
};

/*
 * Process a PS2++ or PS2T++ packet.
 */

static psmouse_ret_t ps2pp_process_byte(struct psmouse *psmouse, struct pt_regs *regs)
{
	struct input_dev *dev = psmouse->dev;
	unsigned char *packet = psmouse->packet;

	if (psmouse->pktcnt < 3)
		return PSMOUSE_GOOD_DATA;

/*
 * Full packet accumulated, process it
 */

	input_regs(dev, regs);

	if ((packet[0] & 0x48) == 0x48 && (packet[1] & 0x02) == 0x02) {

		/* Logitech extended packet */
		switch ((packet[1] >> 4) | (packet[0] & 0x30)) {

			case 0x0d: /* Mouse extra info */

				input_report_rel(dev, packet[2] & 0x80 ? REL_HWHEEL : REL_WHEEL,
					(int) (packet[2] & 8) - (int) (packet[2] & 7));
				input_report_key(dev, BTN_SIDE, (packet[2] >> 4) & 1);
				input_report_key(dev, BTN_EXTRA, (packet[2] >> 5) & 1);

				break;

			case 0x0e: /* buttons 4, 5, 6, 7, 8, 9, 10 info */

				input_report_key(dev, BTN_SIDE, (packet[2]) & 1);
				input_report_key(dev, BTN_EXTRA, (packet[2] >> 1) & 1);
				input_report_key(dev, BTN_BACK, (packet[2] >> 3) & 1);
				input_report_key(dev, BTN_FORWARD, (packet[2] >> 4) & 1);
				input_report_key(dev, BTN_TASK, (packet[2] >> 2) & 1);

				break;

			case 0x0f: /* TouchPad extra info */

				input_report_rel(dev, packet[2] & 0x08 ? REL_HWHEEL : REL_WHEEL,
					(int) ((packet[2] >> 4) & 8) - (int) ((packet[2] >> 4) & 7));
				packet[0] = packet[2] | 0x08;
				break;

#ifdef DEBUG
			default:
				printk(KERN_WARNING "psmouse.c: Received PS2++ packet #%x, but don't know how to handle.\n",
					(packet[1] >> 4) | (packet[0] & 0x30));
#endif
		}
	} else {
		/* Standard PS/2 motion data */
		input_report_rel(dev, REL_X, packet[1] ? (int) packet[1] - (int) ((packet[0] << 4) & 0x100) : 0);
		input_report_rel(dev, REL_Y, packet[2] ? (int) ((packet[0] << 3) & 0x100) - (int) packet[2] : 0);
	}

	input_report_key(dev, BTN_LEFT,    packet[0]       & 1);
	input_report_key(dev, BTN_MIDDLE, (packet[0] >> 2) & 1);
	input_report_key(dev, BTN_RIGHT,  (packet[0] >> 1) & 1);

	input_sync(dev);

	return PSMOUSE_FULL_PACKET;

}

/*
 * ps2pp_cmd() sends a PS2++ command, sliced into two bit
 * pieces through the SETRES command. This is needed to send extended
 * commands to mice on notebooks that try to understand the PS/2 protocol
 * Ugly.
 */

static int ps2pp_cmd(struct psmouse *psmouse, unsigned char *param, unsigned char command)
{
	if (psmouse_sliced_command(psmouse, command))
		return -1;

	if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_POLL))
		return -1;

	return 0;
}

/*
 * SmartScroll / CruiseControl for some newer Logitech mice Defaults to
 * enabled if we do nothing to it. Of course I put this in because I want it
 * disabled :P
 * 1 - enabled (if previously disabled, also default)
 * 0 - disabled
 */

static void ps2pp_set_smartscroll(struct psmouse *psmouse, unsigned int smartscroll)
{
	struct ps2dev *ps2dev = &psmouse->ps2dev;
	unsigned char param[4];

	if (smartscroll > 1)
		smartscroll = 1;

	ps2pp_cmd(psmouse, param, 0x32);

	param[0] = 0;
	ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
	ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
	ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);

	param[0] = smartscroll;
	ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
}

static ssize_t ps2pp_attr_show_smartscroll(struct psmouse *psmouse, void *data, char *buf)
{
	return sprintf(buf, "%d\n", psmouse->smartscroll ? 1 : 0);
}

static ssize_t ps2pp_attr_set_smartscroll(struct psmouse *psmouse, void *data, const char *buf, size_t count)
{
	unsigned long value;
	char *rest;

	value = simple_strtoul(buf, &rest, 10);
	if (*rest || value > 1)
		return -EINVAL;

	ps2pp_set_smartscroll(psmouse, value);
	psmouse->smartscroll = value;
	return count;
}

PSMOUSE_DEFINE_ATTR(smartscroll, S_IWUSR | S_IRUGO, NULL,
			ps2pp_attr_show_smartscroll, ps2pp_attr_set_smartscroll);

/*
 * Support 800 dpi resolution _only_ if the user wants it (there are good
 * reasons to not use it even if the mouse supports it, and of course there are
 * also good reasons to use it, let the user decide).
 */

static void ps2pp_set_resolution(struct psmouse *psmouse, unsigned int resolution)
{
	if (resolution > 400) {
		struct ps2dev *ps2dev = &psmouse->ps2dev;
		unsigned char param = 3;

		ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
		ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
		ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
		ps2_command(ps2dev, &param, PSMOUSE_CMD_SETRES);
		psmouse->resolution = 800;
	} else
		psmouse_set_resolution(psmouse, resolution);
}

static void ps2pp_disconnect(struct psmouse *psmouse)
{
	device_remove_file(&psmouse->ps2dev.serio->dev, &psmouse_attr_smartscroll.dattr);
}

static struct ps2pp_info *get_model_info(unsigned char model)
{
	static struct ps2pp_info ps2pp_list[] = {
		{ 12,	0,			PS2PP_SIDE_BTN},
		{ 13,	0,			0 },
		{ 15,	PS2PP_KIND_MX,					/* MX1000 */
				PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN |
				PS2PP_EXTRA_BTN | PS2PP_NAV_BTN | PS2PP_HWHEEL },
		{ 40,	0,			PS2PP_SIDE_BTN },
		{ 41,	0,			PS2PP_SIDE_BTN },
		{ 42,	0,			PS2PP_SIDE_BTN },
		{ 43,	0,			PS2PP_SIDE_BTN },
		{ 50,	0,			0 },
		{ 51,	0,			0 },
		{ 52,	PS2PP_KIND_WHEEL,	PS2PP_SIDE_BTN | PS2PP_WHEEL },
		{ 53,	PS2PP_KIND_WHEEL,	PS2PP_WHEEL },
		{ 61,	PS2PP_KIND_MX,					/* MX700 */
				PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN |
				PS2PP_EXTRA_BTN | PS2PP_NAV_BTN },
		{ 66,	PS2PP_KIND_MX,					/* MX3100 reciver */
				PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN |
				PS2PP_EXTRA_BTN | PS2PP_NAV_BTN | PS2PP_HWHEEL },
		{ 73,	0,			PS2PP_SIDE_BTN },
		{ 75,	PS2PP_KIND_WHEEL,	PS2PP_WHEEL },
		{ 76,	PS2PP_KIND_WHEEL,	PS2PP_WHEEL },
		{ 80,	PS2PP_KIND_WHEEL,	PS2PP_SIDE_BTN | PS2PP_WHEEL },
		{ 81,	PS2PP_KIND_WHEEL,	PS2PP_WHEEL },
		{ 83,	PS2PP_KIND_WHEEL,	PS2PP_WHEEL },
		{ 86,	PS2PP_KIND_WHEEL,	PS2PP_WHEEL },
		{ 88,	PS2PP_KIND_WHEEL,	PS2PP_WHEEL },
		{ 96,	0,			0 },
		{ 97,	PS2PP_KIND_TP3,		PS2PP_WHEEL | PS2PP_HWHEEL },
		{ 100,	PS2PP_KIND_MX,					/* MX510 */
				PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN |
				PS2PP_EXTRA_BTN | PS2PP_NAV_BTN },
		{ 111,  PS2PP_KIND_MX,					/* MX300 */
				PS2PP_WHEEL | PS2PP_EXTRA_BTN | PS2PP_TASK_BTN },
		{ 112,	PS2PP_KIND_MX,					/* MX500 */
				PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN |
				PS2PP_EXTRA_BTN | PS2PP_NAV_BTN },
		{ 114,	PS2PP_KIND_MX,					/* MX310 */
				PS2PP_WHEEL | PS2PP_SIDE_BTN |
				PS2PP_TASK_BTN | PS2PP_EXTRA_BTN },
		{ }
	};
	int i;

	for (i = 0; ps2pp_list[i].model; i++)
		if (model == ps2pp_list[i].model)
			return &ps2pp_list[i];

	printk(KERN_WARNING "logips2pp: Detected unknown logitech mouse model %d\n", model);
	return NULL;
}

/*
 * Set up input device's properties based on the detected mouse model.
 */

static void ps2pp_set_model_properties(struct psmouse *psmouse, struct ps2pp_info *model_info,
				       int using_ps2pp)
{
	struct input_dev *input_dev = psmouse->dev;

	if (model_info->features & PS2PP_SIDE_BTN)
		set_bit(BTN_SIDE, input_dev->keybit);

	if (model_info->features & PS2PP_EXTRA_BTN)
		set_bit(BTN_EXTRA, input_dev->keybit);

	if (model_info->features & PS2PP_TASK_BTN)
		set_bit(BTN_TASK, input_dev->keybit);

	if (model_info->features & PS2PP_NAV_BTN) {
		set_bit(BTN_FORWARD, input_dev->keybit);
		set_bit(BTN_BACK, input_dev->keybit);
	}

	if (model_info->features & PS2PP_WHEEL)
		set_bit(REL_WHEEL, input_dev->relbit);

	if (model_info->features & PS2PP_HWHEEL)
		set_bit(REL_HWHEEL, input_dev->relbit);

	switch (model_info->kind) {
		case PS2PP_KIND_WHEEL:
			psmouse->name = "Wheel Mouse";
			break;

		case PS2PP_KIND_MX:
			psmouse->name = "MX Mouse";
			break;

		case PS2PP_KIND_TP3:
			psmouse->name = "TouchPad 3";
			break;

		default:
			/*
			 * Set name to "Mouse" only when using PS2++,
			 * otherwise let other protocols define suitable
			 * name
			 */
			if (using_ps2pp)
				psmouse->name = "Mouse";
			break;
	}
}


/*
 * Logitech magic init. Detect whether the mouse is a Logitech one
 * and its exact model and try turning on extended protocol for ones
 * that support it.
 */

int ps2pp_init(struct psmouse *psmouse, int set_properties)
{
	struct ps2dev *ps2dev = &psmouse->ps2dev;
	unsigned char param[4];
	unsigned char model, buttons;
	struct ps2pp_info *model_info;
	int use_ps2pp = 0;

	param[0] = 0;
	ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
	ps2_command(ps2dev,  NULL, PSMOUSE_CMD_SETSCALE11);
	ps2_command(ps2dev,  NULL, PSMOUSE_CMD_SETSCALE11);
	ps2_command(ps2dev,  NULL, PSMOUSE_CMD_SETSCALE11);
	param[1] = 0;
	ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO);

	if (!param[1])
		return -1;

	model = ((param[0] >> 4) & 0x07) | ((param[0] << 3) & 0x78);
	buttons = param[1];

	if ((model_info = get_model_info(model)) != NULL) {

/*
 * Do Logitech PS2++ / PS2T++ magic init.
 */
		if (model == 97) { /* Touch Pad 3 */

			/* Unprotect RAM */
			param[0] = 0x11; param[1] = 0x04; param[2] = 0x68;
			ps2_command(ps2dev, param, 0x30d1);
			/* Enable features */
			param[0] = 0x11; param[1] = 0x05; param[2] = 0x0b;
			ps2_command(ps2dev, param, 0x30d1);
			/* Enable PS2++ */
			param[0] = 0x11; param[1] = 0x09; param[2] = 0xc3;
			ps2_command(ps2dev, param, 0x30d1);

			param[0] = 0;
			if (!ps2_command(ps2dev, param, 0x13d1) &&
			    param[0] == 0x06 && param[1] == 0x00 && param[2] == 0x14) {
				use_ps2pp = 1;
			}

		} else {

			param[0] = param[1] = param[2] = 0;
			ps2pp_cmd(psmouse, param, 0x39); /* Magic knock */
			ps2pp_cmd(psmouse, param, 0xDB);

			if ((param[0] & 0x78) == 0x48 &&
			    (param[1] & 0xf3) == 0xc2 &&
			    (param[2] & 0x03) == ((param[1] >> 2) & 3)) {
				ps2pp_set_smartscroll(psmouse, psmouse->smartscroll);
				use_ps2pp = 1;
			}
		}
	}

	if (set_properties) {
		psmouse->vendor = "Logitech";
		psmouse->model = model;

		if (use_ps2pp) {
			psmouse->protocol_handler = ps2pp_process_byte;
			psmouse->pktsize = 3;

			if (model_info->kind != PS2PP_KIND_TP3) {
				psmouse->set_resolution = ps2pp_set_resolution;
				psmouse->disconnect = ps2pp_disconnect;

				device_create_file(&psmouse->ps2dev.serio->dev,
						   &psmouse_attr_smartscroll.dattr);
			}
		}

		if (buttons < 3)
			clear_bit(BTN_MIDDLE, psmouse->dev->keybit);

		if (model_info)
			ps2pp_set_model_properties(psmouse, model_info, use_ps2pp);
	}

	return use_ps2pp ? 0 : -1;
}
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Logitech PS/2++ mouse driver
	3	*
	4	* Copyright (c) 1999-2003 Vojtech Pavlik <vojtech@suse.cz>
	5	* Copyright (c) 2003 Eric Wong <eric@yhbt.net>
	6	*
	7	* This program is free software; you can redistribute it and/or modify it
	8	* under the terms of the GNU General Public License version 2 as published by
	9	* the Free Software Foundation.
	10	*/
	11
	12	#include <linux/input.h>
	13	#include <linux/serio.h>
	14	#include <linux/libps2.h>
	15	#include "psmouse.h"
	16	#include "logips2pp.h"
	17
	18	/* Logitech mouse types */
	19	#define PS2PP_KIND_WHEEL 1
	20	#define PS2PP_KIND_MX 2
	21	#define PS2PP_KIND_TP3 3
	22
	23	/* Logitech mouse features */
	24	#define PS2PP_WHEEL 0x01
	25	#define PS2PP_HWHEEL 0x02
	26	#define PS2PP_SIDE_BTN 0x04
	27	#define PS2PP_EXTRA_BTN 0x08
	28	#define PS2PP_TASK_BTN 0x10
	29	#define PS2PP_NAV_BTN 0x20
	30
	31	struct ps2pp_info {
	32	const int model;
	33	unsigned const int kind;
	34	unsigned const int features;
	35	};
	36
	37	/*
	38	* Process a PS2++ or PS2T++ packet.
	39	*/
	40
	41	static psmouse_ret_t ps2pp_process_byte(struct psmouse psmouse, struct pt_regs regs)
	42	{
2e5b636b	43	struct input_dev *dev = psmouse->dev;
1da177e4 LT	44	unsigned char *packet = psmouse->packet;
	45
	46	if (psmouse->pktcnt < 3)
	47	return PSMOUSE_GOOD_DATA;
	48
	49	/*
	50	* Full packet accumulated, process it
	51	*/
	52
	53	input_regs(dev, regs);
	54
	55	if ((packet[0] & 0x48) == 0x48 && (packet[1] & 0x02) == 0x02) {
	56
	57	/* Logitech extended packet */
	58	switch ((packet[1] >> 4) \| (packet[0] & 0x30)) {
	59
	60	case 0x0d: /* Mouse extra info */
	61
	62	input_report_rel(dev, packet[2] & 0x80 ? REL_HWHEEL : REL_WHEEL,
	63	(int) (packet[2] & 8) - (int) (packet[2] & 7));
	64	input_report_key(dev, BTN_SIDE, (packet[2] >> 4) & 1);
	65	input_report_key(dev, BTN_EXTRA, (packet[2] >> 5) & 1);
	66
	67	break;
	68
	69	case 0x0e: /* buttons 4, 5, 6, 7, 8, 9, 10 info */
	70
	71	input_report_key(dev, BTN_SIDE, (packet[2]) & 1);
	72	input_report_key(dev, BTN_EXTRA, (packet[2] >> 1) & 1);
	73	input_report_key(dev, BTN_BACK, (packet[2] >> 3) & 1);
	74	input_report_key(dev, BTN_FORWARD, (packet[2] >> 4) & 1);
	75	input_report_key(dev, BTN_TASK, (packet[2] >> 2) & 1);
	76
	77	break;
	78
	79	case 0x0f: /* TouchPad extra info */
	80
	81	input_report_rel(dev, packet[2] & 0x08 ? REL_HWHEEL : REL_WHEEL,
	82	(int) ((packet[2] >> 4) & 8) - (int) ((packet[2] >> 4) & 7));
	83	packet[0] = packet[2] \| 0x08;
	84	break;
	85
	86	#ifdef DEBUG
	87	default:
	88	printk(KERN_WARNING "psmouse.c: Received PS2++ packet #%x, but don't know how to handle.\n",
	89	(packet[1] >> 4) \| (packet[0] & 0x30));
	90	#endif
	91	}
	92	} else {
	93	/* Standard PS/2 motion data */
	94	input_report_rel(dev, REL_X, packet[1] ? (int) packet[1] - (int) ((packet[0] << 4) & 0x100) : 0);
	95	input_report_rel(dev, REL_Y, packet[2] ? (int) ((packet[0] << 3) & 0x100) - (int) packet[2] : 0);
	96	}
	97
	98	input_report_key(dev, BTN_LEFT, packet[0] & 1);
	99	input_report_key(dev, BTN_MIDDLE, (packet[0] >> 2) & 1);
	100	input_report_key(dev, BTN_RIGHT, (packet[0] >> 1) & 1);
	101
	102	input_sync(dev);
	103
	104	return PSMOUSE_FULL_PACKET;
	105
	106	}
	107
108	/*
109	* ps2pp_cmd() sends a PS2++ command, sliced into two bit
110	* pieces through the SETRES command. This is needed to send extended
111	* commands to mice on notebooks that try to understand the PS/2 protocol
112	* Ugly.
113	*/
114
115	static int ps2pp_cmd(struct psmouse psmouse, unsigned char param, unsigned char command)
116	{
117	if (psmouse_sliced_command(psmouse, command))
118	return -1;
119
120	if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_POLL))
121	return -1;
122
123	return 0;
124	}
125
126	/*
127	* SmartScroll / CruiseControl for some newer Logitech mice Defaults to
128	* enabled if we do nothing to it. Of course I put this in because I want it
129	* disabled :P
130	* 1 - enabled (if previously disabled, also default)
131	* 0 - disabled
132	*/
133
134	static void ps2pp_set_smartscroll(struct psmouse *psmouse, unsigned int smartscroll)
135	{
136	struct ps2dev *ps2dev = &psmouse->ps2dev;
137	unsigned char param[4];
138
139	if (smartscroll > 1)
140	smartscroll = 1;
141
142	ps2pp_cmd(psmouse, param, 0x32);
143
144	param[0] = 0;
145	ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
146	ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
147	ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
148
149	param[0] = smartscroll;
150	ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
151	}
152
cfe9e888	153	static ssize_t ps2pp_attr_show_smartscroll(struct psmouse psmouse, void data, char *buf)
1da177e4 LT	154	{
	155	return sprintf(buf, "%d\n", psmouse->smartscroll ? 1 : 0);
	156	}
	157
cfe9e888	158	static ssize_t ps2pp_attr_set_smartscroll(struct psmouse psmouse, void data, const char *buf, size_t count)
1da177e4 LT	159	{
	160	unsigned long value;
	161	char *rest;
	162
	163	value = simple_strtoul(buf, &rest, 10);
	164	if (*rest \|\| value > 1)
	165	return -EINVAL;
	166
	167	ps2pp_set_smartscroll(psmouse, value);
	168	psmouse->smartscroll = value;
	169	return count;
	170	}
	171
cfe9e888 DT	172	PSMOUSE_DEFINE_ATTR(smartscroll, S_IWUSR \| S_IRUGO, NULL,
cfe9e888 DT	173	ps2pp_attr_show_smartscroll, ps2pp_attr_set_smartscroll);
1da177e4 LT	174
	175	/*
	176	* Support 800 dpi resolution _only_ if the user wants it (there are good
	177	* reasons to not use it even if the mouse supports it, and of course there are
	178	* also good reasons to use it, let the user decide).
	179	*/
	180
	181	static void ps2pp_set_resolution(struct psmouse *psmouse, unsigned int resolution)
	182	{
	183	if (resolution > 400) {
	184	struct ps2dev *ps2dev = &psmouse->ps2dev;
	185	unsigned char param = 3;
	186
	187	ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
	188	ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
	189	ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
	190	ps2_command(ps2dev, &param, PSMOUSE_CMD_SETRES);
	191	psmouse->resolution = 800;
	192	} else
	193	psmouse_set_resolution(psmouse, resolution);
	194	}
	195
	196	static void ps2pp_disconnect(struct psmouse *psmouse)
	197	{
cfe9e888	198	device_remove_file(&psmouse->ps2dev.serio->dev, &psmouse_attr_smartscroll.dattr);
1da177e4 LT	199	}
	200
	201	static struct ps2pp_info *get_model_info(unsigned char model)
	202	{
	203	static struct ps2pp_info ps2pp_list[] = {
	204	{ 12, 0, PS2PP_SIDE_BTN},
	205	{ 13, 0, 0 },
	206	{ 15, PS2PP_KIND_MX, /* MX1000 */
	207	PS2PP_WHEEL \| PS2PP_SIDE_BTN \| PS2PP_TASK_BTN \|
	208	PS2PP_EXTRA_BTN \| PS2PP_NAV_BTN \| PS2PP_HWHEEL },
	209	{ 40, 0, PS2PP_SIDE_BTN },
	210	{ 41, 0, PS2PP_SIDE_BTN },
	211	{ 42, 0, PS2PP_SIDE_BTN },
	212	{ 43, 0, PS2PP_SIDE_BTN },
	213	{ 50, 0, 0 },
	214	{ 51, 0, 0 },
	215	{ 52, PS2PP_KIND_WHEEL, PS2PP_SIDE_BTN \| PS2PP_WHEEL },
	216	{ 53, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
	217	{ 61, PS2PP_KIND_MX, /* MX700 */
	218	PS2PP_WHEEL \| PS2PP_SIDE_BTN \| PS2PP_TASK_BTN \|
	219	PS2PP_EXTRA_BTN \| PS2PP_NAV_BTN },
14a48b44 MM	220	{ 66, PS2PP_KIND_MX, /* MX3100 reciver */
	221	PS2PP_WHEEL \| PS2PP_SIDE_BTN \| PS2PP_TASK_BTN \|
	222	PS2PP_EXTRA_BTN \| PS2PP_NAV_BTN \| PS2PP_HWHEEL },
1da177e4 LT	223	{ 73, 0, PS2PP_SIDE_BTN },
	224	{ 75, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
	225	{ 76, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
	226	{ 80, PS2PP_KIND_WHEEL, PS2PP_SIDE_BTN \| PS2PP_WHEEL },
	227	{ 81, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
	228	{ 83, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
d2b5ffca	229	{ 86, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
1da177e4 LT	230	{ 88, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
	231	{ 96, 0, 0 },
	232	{ 97, PS2PP_KIND_TP3, PS2PP_WHEEL \| PS2PP_HWHEEL },
	233	{ 100, PS2PP_KIND_MX, /* MX510 */
	234	PS2PP_WHEEL \| PS2PP_SIDE_BTN \| PS2PP_TASK_BTN \|
	235	PS2PP_EXTRA_BTN \| PS2PP_NAV_BTN },
	236	{ 111, PS2PP_KIND_MX, /* MX300 */
	237	PS2PP_WHEEL \| PS2PP_EXTRA_BTN \| PS2PP_TASK_BTN },
	238	{ 112, PS2PP_KIND_MX, /* MX500 */
	239	PS2PP_WHEEL \| PS2PP_SIDE_BTN \| PS2PP_TASK_BTN \|
	240	PS2PP_EXTRA_BTN \| PS2PP_NAV_BTN },
	241	{ 114, PS2PP_KIND_MX, /* MX310 */
	242	PS2PP_WHEEL \| PS2PP_SIDE_BTN \|
	243	PS2PP_TASK_BTN \| PS2PP_EXTRA_BTN },
	244	{ }
	245	};
	246	int i;
	247
	248	for (i = 0; ps2pp_list[i].model; i++)
	249	if (model == ps2pp_list[i].model)
	250	return &ps2pp_list[i];
	251
	252	printk(KERN_WARNING "logips2pp: Detected unknown logitech mouse model %d\n", model);
	253	return NULL;
	254	}
	255
	256	/*
	257	* Set up input device's properties based on the detected mouse model.
	258	*/
	259
	260	static void ps2pp_set_model_properties(struct psmouse psmouse, struct ps2pp_info model_info,
	261	int using_ps2pp)
	262	{
2e5b636b DT	263	struct input_dev *input_dev = psmouse->dev;
2e5b636b DT	264
1da177e4	265	if (model_info->features & PS2PP_SIDE_BTN)
2e5b636b	266	set_bit(BTN_SIDE, input_dev->keybit);
1da177e4 LT	267
1da177e4 LT	268	if (model_info->features & PS2PP_EXTRA_BTN)
2e5b636b	269	set_bit(BTN_EXTRA, input_dev->keybit);
1da177e4 LT	270
1da177e4 LT	271	if (model_info->features & PS2PP_TASK_BTN)
2e5b636b	272	set_bit(BTN_TASK, input_dev->keybit);
1da177e4 LT	273
1da177e4 LT	274	if (model_info->features & PS2PP_NAV_BTN) {
2e5b636b DT	275	set_bit(BTN_FORWARD, input_dev->keybit);
2e5b636b DT	276	set_bit(BTN_BACK, input_dev->keybit);
1da177e4 LT	277	}
	278
	279	if (model_info->features & PS2PP_WHEEL)
2e5b636b	280	set_bit(REL_WHEEL, input_dev->relbit);
1da177e4 LT	281
1da177e4 LT	282	if (model_info->features & PS2PP_HWHEEL)
2e5b636b	283	set_bit(REL_HWHEEL, input_dev->relbit);
1da177e4 LT	284
	285	switch (model_info->kind) {
	286	case PS2PP_KIND_WHEEL:
	287	psmouse->name = "Wheel Mouse";
	288	break;
	289
	290	case PS2PP_KIND_MX:
	291	psmouse->name = "MX Mouse";
	292	break;
	293
	294	case PS2PP_KIND_TP3:
	295	psmouse->name = "TouchPad 3";
	296	break;
	297
	298	default:
	299	/*
	300	* Set name to "Mouse" only when using PS2++,
	301	* otherwise let other protocols define suitable
	302	* name
	303	*/
	304	if (using_ps2pp)
	305	psmouse->name = "Mouse";
	306	break;
	307	}
	308	}
	309
	310
	311	/*
	312	* Logitech magic init. Detect whether the mouse is a Logitech one
	313	* and its exact model and try turning on extended protocol for ones
	314	* that support it.
	315	*/
	316
	317	int ps2pp_init(struct psmouse *psmouse, int set_properties)
	318	{
	319	struct ps2dev *ps2dev = &psmouse->ps2dev;
	320	unsigned char param[4];
	321	unsigned char model, buttons;
	322	struct ps2pp_info *model_info;
	323	int use_ps2pp = 0;
	324
	325	param[0] = 0;
	326	ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
	327	ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
	328	ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
	329	ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
	330	param[1] = 0;
	331	ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO);
	332
	333	if (!param[1])
	334	return -1;
	335
	336	model = ((param[0] >> 4) & 0x07) \| ((param[0] << 3) & 0x78);
	337	buttons = param[1];
	338
	339	if ((model_info = get_model_info(model)) != NULL) {
	340
	341	/*
	342	* Do Logitech PS2++ / PS2T++ magic init.
	343	*/
	344	if (model == 97) { /* Touch Pad 3 */
	345
	346	/* Unprotect RAM */
	347	param[0] = 0x11; param[1] = 0x04; param[2] = 0x68;
348	ps2_command(ps2dev, param, 0x30d1);
349	/* Enable features */
350	param[0] = 0x11; param[1] = 0x05; param[2] = 0x0b;
351	ps2_command(ps2dev, param, 0x30d1);
352	/* Enable PS2++ */
353	param[0] = 0x11; param[1] = 0x09; param[2] = 0xc3;
354	ps2_command(ps2dev, param, 0x30d1);
355
356	param[0] = 0;
357	if (!ps2_command(ps2dev, param, 0x13d1) &&
358	param[0] == 0x06 && param[1] == 0x00 && param[2] == 0x14) {
359	use_ps2pp = 1;
360	}
361
362	} else {
363
364	param[0] = param[1] = param[2] = 0;
365	ps2pp_cmd(psmouse, param, 0x39); /* Magic knock */
366	ps2pp_cmd(psmouse, param, 0xDB);
367
368	if ((param[0] & 0x78) == 0x48 &&
369	(param[1] & 0xf3) == 0xc2 &&
370	(param[2] & 0x03) == ((param[1] >> 2) & 3)) {
371	ps2pp_set_smartscroll(psmouse, psmouse->smartscroll);
372	use_ps2pp = 1;
373	}
374	}
375	}
376
377	if (set_properties) {
378	psmouse->vendor = "Logitech";
379	psmouse->model = model;
380
381	if (use_ps2pp) {
382	psmouse->protocol_handler = ps2pp_process_byte;
383	psmouse->pktsize = 3;
384
385	if (model_info->kind != PS2PP_KIND_TP3) {
386	psmouse->set_resolution = ps2pp_set_resolution;
387	psmouse->disconnect = ps2pp_disconnect;
388
cfe9e888 DT	389	device_create_file(&psmouse->ps2dev.serio->dev,
cfe9e888 DT	390	&psmouse_attr_smartscroll.dattr);
1da177e4 LT	391	}
	392	}
	393
	394	if (buttons < 3)
2e5b636b	395	clear_bit(BTN_MIDDLE, psmouse->dev->keybit);
1da177e4 LT	396
	397	if (model_info)
	398	ps2pp_set_model_properties(psmouse, model_info, use_ps2pp);
	399	}
	400
	401	return use_ps2pp ? 0 : -1;
	402	}
	403