426 lines
11 KiB
C
Executable File
426 lines
11 KiB
C
Executable File
/*
|
|
* 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;
|
|
|
|
default:
|
|
psmouse_dbg(psmouse,
|
|
"Received PS2++ packet #%x, but don't know how to handle.\n",
|
|
(packet[1] >> 4) | (packet[0] & 0x30));
|
|
break;
|
|
}
|
|
} 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, bool smartscroll)
|
|
{
|
|
struct ps2dev *ps2dev = &psmouse->ps2dev;
|
|
unsigned char param[4];
|
|
|
|
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);
|
|
}
|
|
|
|
static ssize_t ps2pp_attr_set_smartscroll(struct psmouse *psmouse, void *data,
|
|
const char *buf, size_t count)
|
|
{
|
|
unsigned int value;
|
|
int err;
|
|
|
|
err = kstrtouint(buf, 10, &value);
|
|
if (err)
|
|
return err;
|
|
|
|
if (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, ¶m, 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[] = {
|
|
{ 1, 0, 0 }, /* Simple 2-button mouse */
|
|
{ 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 receiver */
|
|
PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN |
|
|
PS2PP_EXTRA_BTN | PS2PP_NAV_BTN | PS2PP_HWHEEL },
|
|
{ 72, PS2PP_KIND_TRACKMAN, 0 }, /* T-CH11: TrackMan Marble */
|
|
{ 73, PS2PP_KIND_TRACKMAN, PS2PP_SIDE_BTN }, /* TrackMan FX */
|
|
{ 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];
|
|
|
|
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,
|
|
bool 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_detect(struct psmouse *psmouse, bool set_properties)
|
|
{
|
|
struct ps2dev *ps2dev = &psmouse->ps2dev;
|
|
unsigned char param[4];
|
|
unsigned char model, buttons;
|
|
const struct ps2pp_info *model_info;
|
|
bool use_ps2pp = false;
|
|
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);
|
|
|
|
model = ((param[0] >> 4) & 0x07) | ((param[0] << 3) & 0x78);
|
|
buttons = param[1];
|
|
|
|
if (!model || !buttons)
|
|
return -1;
|
|
|
|
model_info = get_model_info(model);
|
|
if (model_info) {
|
|
|
|
/*
|
|
* 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 = true;
|
|
}
|
|
|
|
} 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, false);
|
|
use_ps2pp = true;
|
|
}
|
|
}
|
|
|
|
} else {
|
|
psmouse_warn(psmouse, "Detected unknown Logitech mouse model %d\n", model);
|
|
}
|
|
|
|
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(&ps2dev->serio->dev,
|
|
&psmouse_attr_smartscroll.dattr);
|
|
if (error) {
|
|
psmouse_err(psmouse,
|
|
"failed to create smartscroll sysfs attribute, error: %d\n",
|
|
error);
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (buttons >= 3)
|
|
__set_bit(BTN_MIDDLE, psmouse->dev->keybit);
|
|
|
|
if (model_info)
|
|
ps2pp_set_model_properties(psmouse, model_info, use_ps2pp);
|
|
}
|
|
|
|
return use_ps2pp ? 0 : -1;
|
|
}
|
|
|