[deliverable/linux.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
#define PS2PP_KIND_TRACKMAN	4

/* 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 {
	u8 model;
	u8 kind;
	u16 features;
};

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

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

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

/*
 * Full packet accumulated, process it
 */

	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 | 0x0300))
		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 const struct ps2pp_info *get_model_info(unsigned char model)
{
	static const 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 },
		{ 56,	PS2PP_KIND_WHEEL,	PS2PP_SIDE_BTN | PS2PP_WHEEL }, /* Cordless MouseMan 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 },
		{ 79,	PS2PP_KIND_TRACKMAN,	PS2PP_WHEEL },		/* TrackMan with wheel */
		{ 80,	PS2PP_KIND_WHEEL,	PS2PP_SIDE_BTN | PS2PP_WHEEL },
		{ 81,	PS2PP_KIND_WHEEL,	PS2PP_WHEEL },
		{ 83,	PS2PP_KIND_WHEEL,	PS2PP_WHEEL },
		{ 85,	PS2PP_KIND_WHEEL,	PS2PP_WHEEL },
		{ 86,	PS2PP_KIND_WHEEL,	PS2PP_WHEEL },
		{ 87,	PS2PP_KIND_WHEEL,	PS2PP_WHEEL },
		{ 88,	PS2PP_KIND_WHEEL,	PS2PP_WHEEL },
		{ 96,	0,			0 },
		{ 97,	PS2PP_KIND_TP3,		PS2PP_WHEEL | PS2PP_HWHEEL },
		{ 99,	PS2PP_KIND_WHEEL,	PS2PP_WHEEL },
		{ 100,	PS2PP_KIND_MX,					/* MX510 */
				PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN |
				PS2PP_EXTRA_BTN | PS2PP_NAV_BTN },
		{ 111,  PS2PP_KIND_MX,	PS2PP_WHEEL | PS2PP_SIDE_BTN },	/* MX300 reports task button as side */
		{ 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; i < ARRAY_SIZE(ps2pp_list); 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,
				       const 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;

		case PS2PP_KIND_TRACKMAN:
			psmouse->name = "TrackMan";
			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;
	const struct ps2pp_info *model_info;
	int use_ps2pp = 0;
	int error;

	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_info->kind == PS2PP_KIND_TP3) { /* 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;

				error = device_create_file(&psmouse->ps2dev.serio->dev,
							   &psmouse_attr_smartscroll.dattr);
				if (error) {
					printk(KERN_ERR
						"logips2pp.c: failed to create smartscroll "
						"sysfs attribute, error: %d\n", error);
					return -1;
				}
			}
		}

		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
4f8b05ef	22	#define PS2PP_KIND_TRACKMAN 4
1da177e4 LT	23
	24	/* Logitech mouse features */
	25	#define PS2PP_WHEEL 0x01
	26	#define PS2PP_HWHEEL 0x02
	27	#define PS2PP_SIDE_BTN 0x04
	28	#define PS2PP_EXTRA_BTN 0x08
	29	#define PS2PP_TASK_BTN 0x10
	30	#define PS2PP_NAV_BTN 0x20
	31
	32	struct ps2pp_info {
e3882bb5 HD	33	u8 model;
	34	u8 kind;
	35	u16 features;
1da177e4 LT	36	};
	37
	38	/*
	39	* Process a PS2++ or PS2T++ packet.
	40	*/
	41
7d12e780	42	static psmouse_ret_t ps2pp_process_byte(struct psmouse *psmouse)
1da177e4	43	{
2e5b636b	44	struct input_dev *dev = psmouse->dev;
1da177e4 LT	45	unsigned char *packet = psmouse->packet;
	46
	47	if (psmouse->pktcnt < 3)
	48	return PSMOUSE_GOOD_DATA;
	49
	50	/*
	51	* Full packet accumulated, process it
	52	*/
	53
1da177e4 LT	54	if ((packet[0] & 0x48) == 0x48 && (packet[1] & 0x02) == 0x02) {
	55
	56	/* Logitech extended packet */
	57	switch ((packet[1] >> 4) \| (packet[0] & 0x30)) {
	58
	59	case 0x0d: /* Mouse extra info */
	60
	61	input_report_rel(dev, packet[2] & 0x80 ? REL_HWHEEL : REL_WHEEL,
	62	(int) (packet[2] & 8) - (int) (packet[2] & 7));
	63	input_report_key(dev, BTN_SIDE, (packet[2] >> 4) & 1);
	64	input_report_key(dev, BTN_EXTRA, (packet[2] >> 5) & 1);
	65
	66	break;
	67
	68	case 0x0e: /* buttons 4, 5, 6, 7, 8, 9, 10 info */
	69
	70	input_report_key(dev, BTN_SIDE, (packet[2]) & 1);
	71	input_report_key(dev, BTN_EXTRA, (packet[2] >> 1) & 1);
	72	input_report_key(dev, BTN_BACK, (packet[2] >> 3) & 1);
	73	input_report_key(dev, BTN_FORWARD, (packet[2] >> 4) & 1);
	74	input_report_key(dev, BTN_TASK, (packet[2] >> 2) & 1);
	75
	76	break;
	77
	78	case 0x0f: /* TouchPad extra info */
	79
	80	input_report_rel(dev, packet[2] & 0x08 ? REL_HWHEEL : REL_WHEEL,
	81	(int) ((packet[2] >> 4) & 8) - (int) ((packet[2] >> 4) & 7));
	82	packet[0] = packet[2] \| 0x08;
	83	break;
	84
	85	#ifdef DEBUG
	86	default:
	87	printk(KERN_WARNING "psmouse.c: Received PS2++ packet #%x, but don't know how to handle.\n",
	88	(packet[1] >> 4) \| (packet[0] & 0x30));
	89	#endif
	90	}
	91	} else {
	92	/* Standard PS/2 motion data */
	93	input_report_rel(dev, REL_X, packet[1] ? (int) packet[1] - (int) ((packet[0] << 4) & 0x100) : 0);
	94	input_report_rel(dev, REL_Y, packet[2] ? (int) ((packet[0] << 3) & 0x100) - (int) packet[2] : 0);
	95	}
	96
	97	input_report_key(dev, BTN_LEFT, packet[0] & 1);
	98	input_report_key(dev, BTN_MIDDLE, (packet[0] >> 2) & 1);
	99	input_report_key(dev, BTN_RIGHT, (packet[0] >> 1) & 1);
	100
	101	input_sync(dev);
	102
	103	return PSMOUSE_FULL_PACKET;
	104
	105	}
	106
	107	/*
	108	* ps2pp_cmd() sends a PS2++ command, sliced into two bit
	109	* pieces through the SETRES command. This is needed to send extended
	110	* commands to mice on notebooks that try to understand the PS/2 protocol
	111	* Ugly.
	112	*/
	113
	114	static int ps2pp_cmd(struct psmouse psmouse, unsigned char param, unsigned char command)
	115	{
	116	if (psmouse_sliced_command(psmouse, command))
	117	return -1;
118
f0d5c6f4	119	if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_POLL \| 0x0300))
1da177e4 LT	120	return -1;
	121
	122	return 0;
	123	}
	124
	125	/*
	126	* SmartScroll / CruiseControl for some newer Logitech mice Defaults to
	127	* enabled if we do nothing to it. Of course I put this in because I want it
	128	* disabled :P
	129	* 1 - enabled (if previously disabled, also default)
	130	* 0 - disabled
	131	*/
	132
	133	static void ps2pp_set_smartscroll(struct psmouse *psmouse, unsigned int smartscroll)
	134	{
	135	struct ps2dev *ps2dev = &psmouse->ps2dev;
	136	unsigned char param[4];
	137
	138	if (smartscroll > 1)
	139	smartscroll = 1;
	140
	141	ps2pp_cmd(psmouse, param, 0x32);
	142
	143	param[0] = 0;
	144	ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
	145	ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
	146	ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
	147
	148	param[0] = smartscroll;
	149	ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
	150	}
	151
cfe9e888	152	static ssize_t ps2pp_attr_show_smartscroll(struct psmouse psmouse, void data, char *buf)
1da177e4 LT	153	{
	154	return sprintf(buf, "%d\n", psmouse->smartscroll ? 1 : 0);
	155	}
	156
cfe9e888	157	static ssize_t ps2pp_attr_set_smartscroll(struct psmouse psmouse, void data, const char *buf, size_t count)
1da177e4 LT	158	{
	159	unsigned long value;
	160	char *rest;
	161
	162	value = simple_strtoul(buf, &rest, 10);
	163	if (*rest \|\| value > 1)
	164	return -EINVAL;
	165
	166	ps2pp_set_smartscroll(psmouse, value);
	167	psmouse->smartscroll = value;
	168	return count;
	169	}
	170
cfe9e888 DT	171	PSMOUSE_DEFINE_ATTR(smartscroll, S_IWUSR \| S_IRUGO, NULL,
cfe9e888 DT	172	ps2pp_attr_show_smartscroll, ps2pp_attr_set_smartscroll);
1da177e4 LT	173
	174	/*
	175	* Support 800 dpi resolution _only_ if the user wants it (there are good
	176	* reasons to not use it even if the mouse supports it, and of course there are
	177	* also good reasons to use it, let the user decide).
	178	*/
	179
	180	static void ps2pp_set_resolution(struct psmouse *psmouse, unsigned int resolution)
	181	{
	182	if (resolution > 400) {
	183	struct ps2dev *ps2dev = &psmouse->ps2dev;
	184	unsigned char param = 3;
	185
	186	ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
	187	ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
	188	ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
	189	ps2_command(ps2dev, &param, PSMOUSE_CMD_SETRES);
	190	psmouse->resolution = 800;
	191	} else
	192	psmouse_set_resolution(psmouse, resolution);
	193	}
	194
	195	static void ps2pp_disconnect(struct psmouse *psmouse)
	196	{
cfe9e888	197	device_remove_file(&psmouse->ps2dev.serio->dev, &psmouse_attr_smartscroll.dattr);
1da177e4 LT	198	}
1da177e4 LT	199
e3882bb5	200	static const struct ps2pp_info *get_model_info(unsigned char model)
1da177e4	201	{
e3882bb5	202	static const struct ps2pp_info ps2pp_list[] = {
1da177e4 LT	203	{ 12, 0, PS2PP_SIDE_BTN},
	204	{ 13, 0, 0 },
	205	{ 15, PS2PP_KIND_MX, /* MX1000 */
	206	PS2PP_WHEEL \| PS2PP_SIDE_BTN \| PS2PP_TASK_BTN \|
	207	PS2PP_EXTRA_BTN \| PS2PP_NAV_BTN \| PS2PP_HWHEEL },
	208	{ 40, 0, PS2PP_SIDE_BTN },
	209	{ 41, 0, PS2PP_SIDE_BTN },
	210	{ 42, 0, PS2PP_SIDE_BTN },
	211	{ 43, 0, PS2PP_SIDE_BTN },
	212	{ 50, 0, 0 },
	213	{ 51, 0, 0 },
	214	{ 52, PS2PP_KIND_WHEEL, PS2PP_SIDE_BTN \| PS2PP_WHEEL },
	215	{ 53, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
e3882bb5	216	{ 56, PS2PP_KIND_WHEEL, PS2PP_SIDE_BTN \| PS2PP_WHEEL }, /* Cordless MouseMan Wheel */
1da177e4 LT	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 },
4f8b05ef	226	{ 79, PS2PP_KIND_TRACKMAN, PS2PP_WHEEL }, /* TrackMan with wheel */
1da177e4 LT	227	{ 80, PS2PP_KIND_WHEEL, PS2PP_SIDE_BTN \| PS2PP_WHEEL },
	228	{ 81, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
	229	{ 83, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
58057b9e	230	{ 85, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
d2b5ffca	231	{ 86, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
8ea3694f	232	{ 87, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
1da177e4 LT	233	{ 88, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
	234	{ 96, 0, 0 },
	235	{ 97, PS2PP_KIND_TP3, PS2PP_WHEEL \| PS2PP_HWHEEL },
50f6dde0	236	{ 99, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
1da177e4 LT	237	{ 100, PS2PP_KIND_MX, /* MX510 */
	238	PS2PP_WHEEL \| PS2PP_SIDE_BTN \| PS2PP_TASK_BTN \|
	239	PS2PP_EXTRA_BTN \| PS2PP_NAV_BTN },
0c19fcd8	240	{ 111, PS2PP_KIND_MX, PS2PP_WHEEL \| PS2PP_SIDE_BTN }, /* MX300 reports task button as side */
1da177e4 LT	241	{ 112, PS2PP_KIND_MX, /* MX500 */
	242	PS2PP_WHEEL \| PS2PP_SIDE_BTN \| PS2PP_TASK_BTN \|
	243	PS2PP_EXTRA_BTN \| PS2PP_NAV_BTN },
	244	{ 114, PS2PP_KIND_MX, /* MX310 */
	245	PS2PP_WHEEL \| PS2PP_SIDE_BTN \|
e3882bb5	246	PS2PP_TASK_BTN \| PS2PP_EXTRA_BTN }
1da177e4 LT	247	};
	248	int i;
	249
e3882bb5	250	for (i = 0; i < ARRAY_SIZE(ps2pp_list); i++)
1da177e4 LT	251	if (model == ps2pp_list[i].model)
	252	return &ps2pp_list[i];
	253
	254	printk(KERN_WARNING "logips2pp: Detected unknown logitech mouse model %d\n", model);
	255	return NULL;
	256	}
	257
	258	/*
	259	* Set up input device's properties based on the detected mouse model.
	260	*/
	261
e3882bb5 HD	262	static void ps2pp_set_model_properties(struct psmouse *psmouse,
e3882bb5 HD	263	const struct ps2pp_info *model_info,
1da177e4 LT	264	int using_ps2pp)
1da177e4 LT	265	{
2e5b636b DT	266	struct input_dev *input_dev = psmouse->dev;
2e5b636b DT	267
1da177e4	268	if (model_info->features & PS2PP_SIDE_BTN)
2e5b636b	269	set_bit(BTN_SIDE, input_dev->keybit);
1da177e4 LT	270
1da177e4 LT	271	if (model_info->features & PS2PP_EXTRA_BTN)
2e5b636b	272	set_bit(BTN_EXTRA, input_dev->keybit);
1da177e4 LT	273
1da177e4 LT	274	if (model_info->features & PS2PP_TASK_BTN)
2e5b636b	275	set_bit(BTN_TASK, input_dev->keybit);
1da177e4 LT	276
1da177e4 LT	277	if (model_info->features & PS2PP_NAV_BTN) {
2e5b636b DT	278	set_bit(BTN_FORWARD, input_dev->keybit);
2e5b636b DT	279	set_bit(BTN_BACK, input_dev->keybit);
1da177e4 LT	280	}
	281
	282	if (model_info->features & PS2PP_WHEEL)
2e5b636b	283	set_bit(REL_WHEEL, input_dev->relbit);
1da177e4 LT	284
1da177e4 LT	285	if (model_info->features & PS2PP_HWHEEL)
2e5b636b	286	set_bit(REL_HWHEEL, input_dev->relbit);
1da177e4 LT	287
	288	switch (model_info->kind) {
	289	case PS2PP_KIND_WHEEL:
	290	psmouse->name = "Wheel Mouse";
	291	break;
	292
	293	case PS2PP_KIND_MX:
	294	psmouse->name = "MX Mouse";
	295	break;
	296
	297	case PS2PP_KIND_TP3:
	298	psmouse->name = "TouchPad 3";
	299	break;
	300
4f8b05ef ZL	301	case PS2PP_KIND_TRACKMAN:
	302	psmouse->name = "TrackMan";
	303	break;
	304
1da177e4 LT	305	default:
	306	/*
	307	* Set name to "Mouse" only when using PS2++,
	308	* otherwise let other protocols define suitable
	309	* name
	310	*/
	311	if (using_ps2pp)
	312	psmouse->name = "Mouse";
	313	break;
	314	}
	315	}
	316
	317
	318	/*
	319	* Logitech magic init. Detect whether the mouse is a Logitech one
	320	* and its exact model and try turning on extended protocol for ones
	321	* that support it.
	322	*/
	323
	324	int ps2pp_init(struct psmouse *psmouse, int set_properties)
	325	{
	326	struct ps2dev *ps2dev = &psmouse->ps2dev;
	327	unsigned char param[4];
	328	unsigned char model, buttons;
e3882bb5	329	const struct ps2pp_info *model_info;
1da177e4	330	int use_ps2pp = 0;
0fea0e9a	331	int error;
1da177e4 LT	332
	333	param[0] = 0;
	334	ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
	335	ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
	336	ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
	337	ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
	338	param[1] = 0;
	339	ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO);
	340
	341	if (!param[1])
	342	return -1;
	343
	344	model = ((param[0] >> 4) & 0x07) \| ((param[0] << 3) & 0x78);
	345	buttons = param[1];
	346
	347	if ((model_info = get_model_info(model)) != NULL) {
	348
	349	/*
	350	* Do Logitech PS2++ / PS2T++ magic init.
	351	*/
e3882bb5	352	if (model_info->kind == PS2PP_KIND_TP3) { /* Touch Pad 3 */
1da177e4 LT	353
	354	/* Unprotect RAM */
	355	param[0] = 0x11; param[1] = 0x04; param[2] = 0x68;
	356	ps2_command(ps2dev, param, 0x30d1);
	357	/* Enable features */
	358	param[0] = 0x11; param[1] = 0x05; param[2] = 0x0b;
	359	ps2_command(ps2dev, param, 0x30d1);
	360	/* Enable PS2++ */
	361	param[0] = 0x11; param[1] = 0x09; param[2] = 0xc3;
	362	ps2_command(ps2dev, param, 0x30d1);
	363
	364	param[0] = 0;
	365	if (!ps2_command(ps2dev, param, 0x13d1) &&
	366	param[0] == 0x06 && param[1] == 0x00 && param[2] == 0x14) {
	367	use_ps2pp = 1;
	368	}
	369
	370	} else {
	371
	372	param[0] = param[1] = param[2] = 0;
	373	ps2pp_cmd(psmouse, param, 0x39); /* Magic knock */
	374	ps2pp_cmd(psmouse, param, 0xDB);
	375
	376	if ((param[0] & 0x78) == 0x48 &&
	377	(param[1] & 0xf3) == 0xc2 &&
	378	(param[2] & 0x03) == ((param[1] >> 2) & 3)) {
	379	ps2pp_set_smartscroll(psmouse, psmouse->smartscroll);
	380	use_ps2pp = 1;
	381	}
	382	}
	383	}
	384
	385	if (set_properties) {
	386	psmouse->vendor = "Logitech";
	387	psmouse->model = model;
	388
	389	if (use_ps2pp) {
	390	psmouse->protocol_handler = ps2pp_process_byte;
	391	psmouse->pktsize = 3;
	392
	393	if (model_info->kind != PS2PP_KIND_TP3) {
	394	psmouse->set_resolution = ps2pp_set_resolution;
	395	psmouse->disconnect = ps2pp_disconnect;
	396
0fea0e9a JG	397	error = device_create_file(&psmouse->ps2dev.serio->dev,
	398	&psmouse_attr_smartscroll.dattr);
	399	if (error) {
	400	printk(KERN_ERR
	401	"logips2pp.c: failed to create smartscroll "
	402	"sysfs attribute, error: %d\n", error);
	403	return -1;
	404	}
1da177e4 LT	405	}
	406	}
	407
	408	if (buttons < 3)
2e5b636b	409	clear_bit(BTN_MIDDLE, psmouse->dev->keybit);
1da177e4 LT	410
	411	if (model_info)
	412	ps2pp_set_model_properties(psmouse, model_info, use_ps2pp);
	413	}
	414
	415	return use_ps2pp ? 0 : -1;
	416	}
	417