alps.c revision b7802c5c1ea9563f3746bea09c214ccedc8600f4
11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ALPS touchpad PS/2 mouse driver 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (c) 2003 Neil Brown <neilb@cse.unsw.edu.au> 5963f626d46d5caeeb3cff29998d8a64df5b25591Peter Osterlund * Copyright (c) 2003-2005 Peter Osterlund <petero2@telia.com> 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (c) 2004 Dmitry Torokhov <dtor@mail.ru> 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (c) 2005 Vojtech Pavlik <vojtech@suse.cz> 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ALPS detection, tap switching and status querying info is taken from 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * tpconfig utility (by C. Scott Ananian and Bruce Kall). 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is free software; you can redistribute it and/or modify it 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * under the terms of the GNU General Public License version 2 as published by 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the Free Software Foundation. 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/input.h> 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/serio.h> 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/libps2.h> 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "psmouse.h" 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "alps.h" 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#undef DEBUG 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef DEBUG 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define dbg(format, arg...) printk(KERN_INFO "alps.c: " format "\n", ## arg) 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define dbg(format, arg...) do {} while (0) 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ALPS_DUALPOINT 0x01 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ALPS_WHEEL 0x02 33c30b4c10d9cfe5506fd421304935d8836773c7e5Ivan Casado Ruiz#define ALPS_FW_BK_1 0x04 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ALPS_4BTN 0x08 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ALPS_OLDPROTO 0x10 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ALPS_PASS 0x20 37c30b4c10d9cfe5506fd421304935d8836773c7e5Ivan Casado Ruiz#define ALPS_FW_BK_2 0x40 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 39e38de678f6b19be3e46a678ec4deeaa7fa0fc140Helge Dellerstatic const struct alps_model_info alps_model_data[] = { 40b75d17285b9de74a0f19e64e1389efcc6626d3fcDmitry Torokhov { { 0x32, 0x02, 0x14 }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* Toshiba Salellite Pro M10 */ 41af27a69aaba2feaeb0b9eebdde2f0b71350c4789Dmitry Torokhov { { 0x33, 0x02, 0x0a }, 0x88, 0xf8, ALPS_OLDPROTO }, /* UMAX-530T */ 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { { 0x53, 0x02, 0x0a }, 0xf8, 0xf8, 0 }, 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { { 0x53, 0x02, 0x14 }, 0xf8, 0xf8, 0 }, 44af27a69aaba2feaeb0b9eebdde2f0b71350c4789Dmitry Torokhov { { 0x60, 0x03, 0xc8 }, 0xf8, 0xf8, 0 }, /* HP ze1115 */ 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { { 0x63, 0x02, 0x0a }, 0xf8, 0xf8, 0 }, 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { { 0x63, 0x02, 0x14 }, 0xf8, 0xf8, 0 }, 47af27a69aaba2feaeb0b9eebdde2f0b71350c4789Dmitry Torokhov { { 0x63, 0x02, 0x28 }, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Fujitsu Siemens S6010 */ 48af27a69aaba2feaeb0b9eebdde2f0b71350c4789Dmitry Torokhov { { 0x63, 0x02, 0x3c }, 0x8f, 0x8f, ALPS_WHEEL }, /* Toshiba Satellite S2400-103 */ 49af27a69aaba2feaeb0b9eebdde2f0b71350c4789Dmitry Torokhov { { 0x63, 0x02, 0x50 }, 0xef, 0xef, ALPS_FW_BK_1 }, /* NEC Versa L320 */ 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { { 0x63, 0x02, 0x64 }, 0xf8, 0xf8, 0 }, 51af27a69aaba2feaeb0b9eebdde2f0b71350c4789Dmitry Torokhov { { 0x63, 0x03, 0xc8 }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D800 */ 52af27a69aaba2feaeb0b9eebdde2f0b71350c4789Dmitry Torokhov { { 0x73, 0x00, 0x0a }, 0xf8, 0xf8, ALPS_DUALPOINT }, /* ThinkPad R61 8918-5QG */ 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { { 0x73, 0x02, 0x0a }, 0xf8, 0xf8, 0 }, 54af27a69aaba2feaeb0b9eebdde2f0b71350c4789Dmitry Torokhov { { 0x73, 0x02, 0x14 }, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Ahtec Laptop */ 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { { 0x20, 0x02, 0x0e }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* XXX */ 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { { 0x22, 0x02, 0x0a }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { { 0x22, 0x02, 0x14 }, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D600 */ 580d46ed1c747edfe6476961d4d9f732ceb7a29074Elvis Pranskevichus { { 0x62, 0x02, 0x14 }, 0xcf, 0xcf, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude E6500 */ 59af27a69aaba2feaeb0b9eebdde2f0b71350c4789Dmitry Torokhov { { 0x73, 0x02, 0x50 }, 0xcf, 0xcf, ALPS_FW_BK_1 }, /* Dell Vostro 1400 */ 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * XXX - this entry is suspicious. First byte has zero lower nibble, 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * which is what a normal mouse would report. Also, the value 0x0e 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * isn't valid per PS/2 spec. 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ALPS abolute Mode - new format 70968ac842c4946abcd6ae623414783548672177f5Dmitry Torokhov * 71968ac842c4946abcd6ae623414783548672177f5Dmitry Torokhov * byte 0: 1 ? ? ? 1 ? ? ? 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * byte 1: 0 x6 x5 x4 x3 x2 x1 x0 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * byte 2: 0 x10 x9 x8 x7 ? fin ges 74968ac842c4946abcd6ae623414783548672177f5Dmitry Torokhov * byte 3: 0 y9 y8 y7 1 M R L 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * byte 4: 0 y6 y5 y4 y3 y2 y1 y0 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * byte 5: 0 z6 z5 z4 z3 z2 z1 z0 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ?'s can have different meanings on different models, 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * such as wheel rotation, extra buttons, stick buttons 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * on a dualpoint, etc. 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 837d12e780e003f93433d49ce78cfedf4b4c52adc5David Howellsstatic void alps_process_packet(struct psmouse *psmouse) 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct alps_data *priv = psmouse->private; 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char *packet = psmouse->packet; 872e5b636bb5f8dacbb91d08544e2c41ebcad5daceDmitry Torokhov struct input_dev *dev = psmouse->dev; 882e5b636bb5f8dacbb91d08544e2c41ebcad5daceDmitry Torokhov struct input_dev *dev2 = priv->dev2; 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int x, y, z, ges, fin, left, right, middle; 90c30b4c10d9cfe5506fd421304935d8836773c7e5Ivan Casado Ruiz int back = 0, forward = 0; 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((packet[0] & 0xc8) == 0x08) { /* 3-byte PS/2 packet */ 93968ac842c4946abcd6ae623414783548672177f5Dmitry Torokhov input_report_key(dev2, BTN_LEFT, packet[0] & 1); 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_key(dev2, BTN_RIGHT, packet[0] & 2); 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_key(dev2, BTN_MIDDLE, packet[0] & 4); 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_rel(dev2, REL_X, 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds packet[1] ? packet[1] - ((packet[0] << 4) & 0x100) : 0); 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_rel(dev2, REL_Y, 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds packet[2] ? ((packet[0] << 3) & 0x100) - packet[2] : 0); 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_sync(dev2); 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (priv->i->flags & ALPS_OLDPROTO) { 105d2f4012f15845761bd3c6f90172e53767c11e359Yotam Medini left = packet[2] & 0x10; 106d2f4012f15845761bd3c6f90172e53767c11e359Yotam Medini right = packet[2] & 0x08; 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds middle = 0; 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds x = packet[1] | ((packet[0] & 0x07) << 7); 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds y = packet[4] | ((packet[3] & 0x07) << 7); 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds z = packet[5]; 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds left = packet[3] & 1; 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds right = packet[3] & 2; 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds middle = packet[3] & 4; 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds x = packet[1] | ((packet[2] & 0x78) << (7 - 3)); 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds y = packet[4] | ((packet[3] & 0x70) << (7 - 4)); 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds z = packet[5]; 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 120c30b4c10d9cfe5506fd421304935d8836773c7e5Ivan Casado Ruiz if (priv->i->flags & ALPS_FW_BK_1) { 1213c00bb96497a9c1251359a1faf68dddbb8d50a23Laszlo Kajan back = packet[0] & 0x10; 1223c00bb96497a9c1251359a1faf68dddbb8d50a23Laszlo Kajan forward = packet[2] & 4; 123c30b4c10d9cfe5506fd421304935d8836773c7e5Ivan Casado Ruiz } 124c30b4c10d9cfe5506fd421304935d8836773c7e5Ivan Casado Ruiz 125c30b4c10d9cfe5506fd421304935d8836773c7e5Ivan Casado Ruiz if (priv->i->flags & ALPS_FW_BK_2) { 126c30b4c10d9cfe5506fd421304935d8836773c7e5Ivan Casado Ruiz back = packet[3] & 4; 127c30b4c10d9cfe5506fd421304935d8836773c7e5Ivan Casado Ruiz forward = packet[2] & 4; 128c30b4c10d9cfe5506fd421304935d8836773c7e5Ivan Casado Ruiz if ((middle = forward && back)) 129c30b4c10d9cfe5506fd421304935d8836773c7e5Ivan Casado Ruiz forward = back = 0; 130c30b4c10d9cfe5506fd421304935d8836773c7e5Ivan Casado Ruiz } 131c30b4c10d9cfe5506fd421304935d8836773c7e5Ivan Casado Ruiz 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ges = packet[2] & 1; 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fin = packet[2] & 2; 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((priv->i->flags & ALPS_DUALPOINT) && z == 127) { 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_rel(dev2, REL_X, (x > 383 ? (x - 768) : x)); 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_rel(dev2, REL_Y, -(y > 255 ? (y - 512) : y)); 138d7ed5d883c09c5474f842dcb148515dfaef2a567Ulrich Dangel 139d7ed5d883c09c5474f842dcb148515dfaef2a567Ulrich Dangel input_report_key(dev2, BTN_LEFT, left); 140d7ed5d883c09c5474f842dcb148515dfaef2a567Ulrich Dangel input_report_key(dev2, BTN_RIGHT, right); 141d7ed5d883c09c5474f842dcb148515dfaef2a567Ulrich Dangel input_report_key(dev2, BTN_MIDDLE, middle); 142d7ed5d883c09c5474f842dcb148515dfaef2a567Ulrich Dangel 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_sync(dev); 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_sync(dev2); 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 148d7ed5d883c09c5474f842dcb148515dfaef2a567Ulrich Dangel input_report_key(dev, BTN_LEFT, left); 149d7ed5d883c09c5474f842dcb148515dfaef2a567Ulrich Dangel input_report_key(dev, BTN_RIGHT, right); 150d7ed5d883c09c5474f842dcb148515dfaef2a567Ulrich Dangel input_report_key(dev, BTN_MIDDLE, middle); 151d7ed5d883c09c5474f842dcb148515dfaef2a567Ulrich Dangel 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Convert hardware tap to a reasonable Z value */ 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ges && !fin) z = 40; 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * A "tap and drag" operation is reported by the hardware as a transition 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * from (!fin && ges) to (fin && ges). This should be translated to the 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * sequence Z>0, Z==0, Z>0, so the Z==0 event has to be generated manually. 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ges && fin && !priv->prev_fin) { 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_X, x); 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_Y, y); 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_PRESSURE, 0); 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_key(dev, BTN_TOOL_FINGER, 0); 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_sync(dev); 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->prev_fin = fin; 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (z > 30) input_report_key(dev, BTN_TOUCH, 1); 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (z < 25) input_report_key(dev, BTN_TOUCH, 0); 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (z > 0) { 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_X, x); 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_Y, y); 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_abs(dev, ABS_PRESSURE, z); 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_report_key(dev, BTN_TOOL_FINGER, z > 0); 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (priv->i->flags & ALPS_WHEEL) 181e6c047b98bbd09473c586744c681e877ebf954ffVojtech Pavlik input_report_rel(dev, REL_WHEEL, ((packet[2] << 1) & 0x08) - ((packet[0] >> 4) & 0x07)); 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 183c30b4c10d9cfe5506fd421304935d8836773c7e5Ivan Casado Ruiz if (priv->i->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) { 184c30b4c10d9cfe5506fd421304935d8836773c7e5Ivan Casado Ruiz input_report_key(dev, BTN_FORWARD, forward); 185c30b4c10d9cfe5506fd421304935d8836773c7e5Ivan Casado Ruiz input_report_key(dev, BTN_BACK, back); 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds input_sync(dev); 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1917d12e780e003f93433d49ce78cfedf4b4c52adc5David Howellsstatic psmouse_ret_t alps_process_byte(struct psmouse *psmouse) 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct alps_data *priv = psmouse->private; 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((psmouse->packet[0] & 0xc8) == 0x08) { /* PS/2 packet */ 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (psmouse->pktcnt == 3) { 1977d12e780e003f93433d49ce78cfedf4b4c52adc5David Howells alps_process_packet(psmouse); 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return PSMOUSE_FULL_PACKET; 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return PSMOUSE_GOOD_DATA; 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((psmouse->packet[0] & priv->i->mask0) != priv->i->byte0) 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return PSMOUSE_BAD_DATA; 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Bytes 2 - 6 should have 0 in the highest bit */ 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (psmouse->pktcnt >= 2 && psmouse->pktcnt <= 6 && 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (psmouse->packet[psmouse->pktcnt - 1] & 0x80)) 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return PSMOUSE_BAD_DATA; 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (psmouse->pktcnt == 6) { 2127d12e780e003f93433d49ce78cfedf4b4c52adc5David Howells alps_process_packet(psmouse); 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return PSMOUSE_FULL_PACKET; 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return PSMOUSE_GOOD_DATA; 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 219e38de678f6b19be3e46a678ec4deeaa7fa0fc140Helge Dellerstatic const struct alps_model_info *alps_get_model(struct psmouse *psmouse, int *version) 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ps2dev *ps2dev = &psmouse->ps2dev; 222e38de678f6b19be3e46a678ec4deeaa7fa0fc140Helge Deller static const unsigned char rates[] = { 0, 10, 20, 40, 60, 80, 100, 200 }; 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char param[4]; 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * First try "E6 report". 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ALPS should return 0,0,10 or 0,0,100 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds param[0] = 0; 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES) || 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11)) 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return NULL; 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds param[0] = param[1] = param[2] = 0xff; 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return NULL; 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dbg("E6 report: %2.2x %2.2x %2.2x", param[0], param[1], param[2]); 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (param[0] != 0 || param[1] != 0 || (param[2] != 10 && param[2] != 100)) 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return NULL; 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Now try "E7 report". Allowed responses are in 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * alps_model_data[].signature 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds param[0] = 0; 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES) || 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) || 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) || 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21)) 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return NULL; 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds param[0] = param[1] = param[2] = 0xff; 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return NULL; 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dbg("E7 report: %2.2x %2.2x %2.2x", param[0], param[1], param[2]); 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2631e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov if (version) { 2641e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov for (i = 0; i < ARRAY_SIZE(rates) && param[2] != rates[i]; i++) 2651e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov /* empty */; 2661e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov *version = (param[0] << 8) | (param[1] << 4) | i; 2671e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov } 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < ARRAY_SIZE(alps_model_data); i++) 2701e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov if (!memcmp(param, alps_model_data[i].signature, 2711e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov sizeof(alps_model_data[i].signature))) 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return alps_model_data + i; 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return NULL; 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * For DualPoint devices select the device that should respond to 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * subsequent commands. It looks like glidepad is behind stickpointer, 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * I'd thought it would be other way around... 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 282b7802c5c1ea9563f3746bea09c214ccedc8600f4Dmitry Torokhovstatic int alps_passthrough_mode(struct psmouse *psmouse, bool enable) 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ps2dev *ps2dev = &psmouse->ps2dev; 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int cmd = enable ? PSMOUSE_CMD_SETSCALE21 : PSMOUSE_CMD_SETSCALE11; 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ps2_command(ps2dev, NULL, cmd) || 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ps2_command(ps2dev, NULL, cmd) || 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ps2_command(ps2dev, NULL, cmd) || 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE)) 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* we may get 3 more bytes, just ignore them */ 294c611763d048990de5cdf848d97af6392f8fa7430Dmitry Torokhov ps2_drain(ps2dev, 3, 100); 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int alps_absolute_mode(struct psmouse *psmouse) 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ps2dev *ps2dev = &psmouse->ps2dev; 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Try ALPS magic knock - 4 disable before enable */ 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Switch mouse to poll (remote) mode so motion data will not 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * get in our way 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETPOLL); 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int alps_get_status(struct psmouse *psmouse, char *param) 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ps2dev *ps2dev = &psmouse->ps2dev; 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Get status: 0xF5 0xF5 0xF5 0xE9 */ 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dbg("Status: %2.2x %2.2x %2.2x", param[0], param[1], param[2]); 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Turn touchpad tapping on or off. The sequences are: 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 0xE9 0xF5 0xF5 0xF3 0x0A to enable, 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 0xE9 0xF5 0xF5 0xE8 0x00 to disable. 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * My guess that 0xE9 (GetInfo) is here as a sync point. 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * For models that also have stickpointer (DualPoints) its tapping 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * is controlled separately (0xE6 0xE6 0xE6 0xF3 0x14|0x0A) but 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * we don't fiddle with it. 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int alps_tap_mode(struct psmouse *psmouse, int enable) 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ps2dev *ps2dev = &psmouse->ps2dev; 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int cmd = enable ? PSMOUSE_CMD_SETRATE : PSMOUSE_CMD_SETRES; 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char tap_arg = enable ? 0x0A : 0x00; 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char param[4]; 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO) || 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ps2_command(ps2dev, &tap_arg, cmd)) 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (alps_get_status(psmouse, param)) 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 362f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov/* 363f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov * alps_poll() - poll the touchpad for current motion packet. 364f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov * Used in resync. 365f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov */ 366f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhovstatic int alps_poll(struct psmouse *psmouse) 367f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov{ 368f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov struct alps_data *priv = psmouse->private; 369f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov unsigned char buf[6]; 370b7802c5c1ea9563f3746bea09c214ccedc8600f4Dmitry Torokhov bool poll_failed; 371f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov 372f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov if (priv->i->flags & ALPS_PASS) 373b7802c5c1ea9563f3746bea09c214ccedc8600f4Dmitry Torokhov alps_passthrough_mode(psmouse, true); 374f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov 375f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov poll_failed = ps2_command(&psmouse->ps2dev, buf, 376f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov PSMOUSE_CMD_POLL | (psmouse->pktsize << 8)) < 0; 377f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov 378f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov if (priv->i->flags & ALPS_PASS) 379b7802c5c1ea9563f3746bea09c214ccedc8600f4Dmitry Torokhov alps_passthrough_mode(psmouse, false); 380f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov 381f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov if (poll_failed || (buf[0] & priv->i->mask0) != priv->i->byte0) 382f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov return -1; 383f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov 384f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov if ((psmouse->badbyte & 0xc8) == 0x08) { 385f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov/* 386f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov * Poll the track stick ... 387f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov */ 388f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov if (ps2_command(&psmouse->ps2dev, buf, PSMOUSE_CMD_POLL | (3 << 8))) 389f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov return -1; 390f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov } 391f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov 392f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov memcpy(psmouse->packet, buf, sizeof(buf)); 393f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov return 0; 394f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov} 395f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov 3961e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhovstatic int alps_hw_init(struct psmouse *psmouse, int *version) 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct alps_data *priv = psmouse->private; 399f3a5c73d5ecb40909db662c4d2ace497b25c5940Dmitry Torokhov 4001e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov priv->i = alps_get_model(psmouse, version); 4011e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov if (!priv->i) 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 404b7802c5c1ea9563f3746bea09c214ccedc8600f4Dmitry Torokhov if ((priv->i->flags & ALPS_PASS) && 405b7802c5c1ea9563f3746bea09c214ccedc8600f4Dmitry Torokhov alps_passthrough_mode(psmouse, true)) { 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 407b7802c5c1ea9563f3746bea09c214ccedc8600f4Dmitry Torokhov } 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 409b7802c5c1ea9563f3746bea09c214ccedc8600f4Dmitry Torokhov if (alps_tap_mode(psmouse, true)) { 4101e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov printk(KERN_WARNING "alps.c: Failed to enable hardware tapping\n"); 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 412963f626d46d5caeeb3cff29998d8a64df5b25591Peter Osterlund } 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (alps_absolute_mode(psmouse)) { 4151e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov printk(KERN_ERR "alps.c: Failed to enable absolute mode\n"); 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 419b7802c5c1ea9563f3746bea09c214ccedc8600f4Dmitry Torokhov if ((priv->i->flags & ALPS_PASS) && 420b7802c5c1ea9563f3746bea09c214ccedc8600f4Dmitry Torokhov alps_passthrough_mode(psmouse, false)) { 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 422b7802c5c1ea9563f3746bea09c214ccedc8600f4Dmitry Torokhov } 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4241e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov /* ALPS needs stream mode, otherwise it won't report any data */ 4251e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSTREAM)) { 4261e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov printk(KERN_ERR "alps.c: Failed to enable stream mode\n"); 4271e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov return -1; 4281e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov } 4291e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov 4301e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov return 0; 4311e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov} 4321e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov 4331e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhovstatic int alps_reconnect(struct psmouse *psmouse) 4341e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov{ 4351e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov psmouse_reset(psmouse); 4361e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov 4371e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov if (alps_hw_init(psmouse, NULL)) 4381e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov return -1; 4391e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void alps_disconnect(struct psmouse *psmouse) 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct alps_data *priv = psmouse->private; 4462e5b636bb5f8dacbb91d08544e2c41ebcad5daceDmitry Torokhov 4471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds psmouse_reset(psmouse); 4482e5b636bb5f8dacbb91d08544e2c41ebcad5daceDmitry Torokhov input_unregister_device(priv->dev2); 4491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(priv); 4501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint alps_init(struct psmouse *psmouse) 4531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct alps_data *priv; 4552e5b636bb5f8dacbb91d08544e2c41ebcad5daceDmitry Torokhov struct input_dev *dev1 = psmouse->dev, *dev2; 4561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int version; 4571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 458f42649e84831efc69d5f621f1c36a39b4e384a99Dmitry Torokhov priv = kzalloc(sizeof(struct alps_data), GFP_KERNEL); 4592e5b636bb5f8dacbb91d08544e2c41ebcad5daceDmitry Torokhov dev2 = input_allocate_device(); 4602e5b636bb5f8dacbb91d08544e2c41ebcad5daceDmitry Torokhov if (!priv || !dev2) 4611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto init_fail; 4622e5b636bb5f8dacbb91d08544e2c41ebcad5daceDmitry Torokhov 4632e5b636bb5f8dacbb91d08544e2c41ebcad5daceDmitry Torokhov priv->dev2 = dev2; 4641e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov psmouse->private = priv; 4651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4661e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov if (alps_hw_init(psmouse, &version)) 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto init_fail; 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4697b19ada2ed3c1eccb9fe94d74b05e1428224663dJiri Slaby dev1->evbit[BIT_WORD(EV_KEY)] |= BIT_MASK(EV_KEY); 4707b19ada2ed3c1eccb9fe94d74b05e1428224663dJiri Slaby dev1->keybit[BIT_WORD(BTN_TOUCH)] |= BIT_MASK(BTN_TOUCH); 4717b19ada2ed3c1eccb9fe94d74b05e1428224663dJiri Slaby dev1->keybit[BIT_WORD(BTN_TOOL_FINGER)] |= BIT_MASK(BTN_TOOL_FINGER); 4727b19ada2ed3c1eccb9fe94d74b05e1428224663dJiri Slaby dev1->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_LEFT) | 4737b19ada2ed3c1eccb9fe94d74b05e1428224663dJiri Slaby BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); 4741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4757b19ada2ed3c1eccb9fe94d74b05e1428224663dJiri Slaby dev1->evbit[BIT_WORD(EV_ABS)] |= BIT_MASK(EV_ABS); 4762e5b636bb5f8dacbb91d08544e2c41ebcad5daceDmitry Torokhov input_set_abs_params(dev1, ABS_X, 0, 1023, 0, 0); 4772e5b636bb5f8dacbb91d08544e2c41ebcad5daceDmitry Torokhov input_set_abs_params(dev1, ABS_Y, 0, 767, 0, 0); 4782e5b636bb5f8dacbb91d08544e2c41ebcad5daceDmitry Torokhov input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0); 4791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (priv->i->flags & ALPS_WHEEL) { 4817b19ada2ed3c1eccb9fe94d74b05e1428224663dJiri Slaby dev1->evbit[BIT_WORD(EV_REL)] |= BIT_MASK(EV_REL); 4827b19ada2ed3c1eccb9fe94d74b05e1428224663dJiri Slaby dev1->relbit[BIT_WORD(REL_WHEEL)] |= BIT_MASK(REL_WHEEL); 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 485c30b4c10d9cfe5506fd421304935d8836773c7e5Ivan Casado Ruiz if (priv->i->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) { 4867b19ada2ed3c1eccb9fe94d74b05e1428224663dJiri Slaby dev1->keybit[BIT_WORD(BTN_FORWARD)] |= BIT_MASK(BTN_FORWARD); 4877b19ada2ed3c1eccb9fe94d74b05e1428224663dJiri Slaby dev1->keybit[BIT_WORD(BTN_BACK)] |= BIT_MASK(BTN_BACK); 4881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 49008ffce4560e0133e10634b0dd85eecee11257a1cDmitry Torokhov snprintf(priv->phys, sizeof(priv->phys), "%s/input1", psmouse->ps2dev.serio->phys); 4912e5b636bb5f8dacbb91d08544e2c41ebcad5daceDmitry Torokhov dev2->phys = priv->phys; 4922e5b636bb5f8dacbb91d08544e2c41ebcad5daceDmitry Torokhov dev2->name = (priv->i->flags & ALPS_DUALPOINT) ? "DualPoint Stick" : "PS/2 Mouse"; 4932e5b636bb5f8dacbb91d08544e2c41ebcad5daceDmitry Torokhov dev2->id.bustype = BUS_I8042; 4942e5b636bb5f8dacbb91d08544e2c41ebcad5daceDmitry Torokhov dev2->id.vendor = 0x0002; 4952e5b636bb5f8dacbb91d08544e2c41ebcad5daceDmitry Torokhov dev2->id.product = PSMOUSE_ALPS; 4962e5b636bb5f8dacbb91d08544e2c41ebcad5daceDmitry Torokhov dev2->id.version = 0x0000; 4971db3a3453f6915d6af322e3a1b25f7ab2c9d9a2bDmitry Torokhov dev2->dev.parent = &psmouse->ps2dev.serio->dev; 4981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4997b19ada2ed3c1eccb9fe94d74b05e1428224663dJiri Slaby dev2->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); 5007b19ada2ed3c1eccb9fe94d74b05e1428224663dJiri Slaby dev2->relbit[BIT_WORD(REL_X)] |= BIT_MASK(REL_X) | BIT_MASK(REL_Y); 5017b19ada2ed3c1eccb9fe94d74b05e1428224663dJiri Slaby dev2->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_LEFT) | 5027b19ada2ed3c1eccb9fe94d74b05e1428224663dJiri Slaby BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); 5031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 504f42649e84831efc69d5f621f1c36a39b4e384a99Dmitry Torokhov if (input_register_device(priv->dev2)) 505f42649e84831efc69d5f621f1c36a39b4e384a99Dmitry Torokhov goto init_fail; 5061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds psmouse->protocol_handler = alps_process_byte; 508f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov psmouse->poll = alps_poll; 5091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds psmouse->disconnect = alps_disconnect; 5101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds psmouse->reconnect = alps_reconnect; 5111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds psmouse->pktsize = 6; 5121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 513f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov /* We are having trouble resyncing ALPS touchpads so disable it for now */ 514f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov psmouse->resync_time = 0; 515f0d5c6f419d3a10443f66d6835855837eae4ac4bDmitry Torokhov 5161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 5171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsinit_fail: 519f42649e84831efc69d5f621f1c36a39b4e384a99Dmitry Torokhov psmouse_reset(psmouse); 5202e5b636bb5f8dacbb91d08544e2c41ebcad5daceDmitry Torokhov input_free_device(dev2); 5211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(priv); 5221e0c5b1275a0e59747349745da8778523a9dcd18Dmitry Torokhov psmouse->private = NULL; 5231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 5241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 526b7802c5c1ea9563f3746bea09c214ccedc8600f4Dmitry Torokhovint alps_detect(struct psmouse *psmouse, bool set_properties) 5271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int version; 529e38de678f6b19be3e46a678ec4deeaa7fa0fc140Helge Deller const struct alps_model_info *model; 5301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 531f42649e84831efc69d5f621f1c36a39b4e384a99Dmitry Torokhov model = alps_get_model(psmouse, &version); 532f42649e84831efc69d5f621f1c36a39b4e384a99Dmitry Torokhov if (!model) 5331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 5341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (set_properties) { 5361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds psmouse->vendor = "ALPS"; 537968ac842c4946abcd6ae623414783548672177f5Dmitry Torokhov psmouse->name = model->flags & ALPS_DUALPOINT ? 538968ac842c4946abcd6ae623414783548672177f5Dmitry Torokhov "DualPoint TouchPad" : "GlidePoint"; 5391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds psmouse->model = version; 5401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 5421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 544