11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * ALPS touchpad PS/2 mouse driver 31da177e4SLinus Torvalds * 41da177e4SLinus Torvalds * Copyright (c) 2003 Neil Brown <neilb@cse.unsw.edu.au> 5963f626dSPeter Osterlund * Copyright (c) 2003-2005 Peter Osterlund <petero2@telia.com> 61da177e4SLinus Torvalds * Copyright (c) 2004 Dmitry Torokhov <dtor@mail.ru> 71da177e4SLinus Torvalds * Copyright (c) 2005 Vojtech Pavlik <vojtech@suse.cz> 81da177e4SLinus Torvalds * 91da177e4SLinus Torvalds * ALPS detection, tap switching and status querying info is taken from 101da177e4SLinus Torvalds * tpconfig utility (by C. Scott Ananian and Bruce Kall). 111da177e4SLinus Torvalds * 121da177e4SLinus Torvalds * This program is free software; you can redistribute it and/or modify it 131da177e4SLinus Torvalds * under the terms of the GNU General Public License version 2 as published by 141da177e4SLinus Torvalds * the Free Software Foundation. 151da177e4SLinus Torvalds */ 161da177e4SLinus Torvalds 171da177e4SLinus Torvalds #include <linux/input.h> 181da177e4SLinus Torvalds #include <linux/serio.h> 191da177e4SLinus Torvalds #include <linux/libps2.h> 201da177e4SLinus Torvalds 211da177e4SLinus Torvalds #include "psmouse.h" 221da177e4SLinus Torvalds #include "alps.h" 231da177e4SLinus Torvalds 241da177e4SLinus Torvalds #undef DEBUG 251da177e4SLinus Torvalds #ifdef DEBUG 261da177e4SLinus Torvalds #define dbg(format, arg...) printk(KERN_INFO "alps.c: " format "\n", ## arg) 271da177e4SLinus Torvalds #else 281da177e4SLinus Torvalds #define dbg(format, arg...) do {} while (0) 291da177e4SLinus Torvalds #endif 301da177e4SLinus Torvalds 311da177e4SLinus Torvalds #define ALPS_DUALPOINT 0x01 321da177e4SLinus Torvalds #define ALPS_WHEEL 0x02 33c30b4c10SIvan Casado Ruiz #define ALPS_FW_BK_1 0x04 341da177e4SLinus Torvalds #define ALPS_4BTN 0x08 351da177e4SLinus Torvalds #define ALPS_OLDPROTO 0x10 361da177e4SLinus Torvalds #define ALPS_PASS 0x20 37c30b4c10SIvan Casado Ruiz #define ALPS_FW_BK_2 0x40 381da177e4SLinus Torvalds 39e38de678SHelge Deller static const struct alps_model_info alps_model_data[] = { 401da177e4SLinus Torvalds { { 0x33, 0x02, 0x0a }, 0x88, 0xf8, ALPS_OLDPROTO }, /* UMAX-530T */ 411da177e4SLinus Torvalds { { 0x53, 0x02, 0x0a }, 0xf8, 0xf8, 0 }, 421da177e4SLinus Torvalds { { 0x53, 0x02, 0x14 }, 0xf8, 0xf8, 0 }, 43f5e9c9caSLarry Finger { { 0x60, 0x03, 0xc8 }, 0xf8, 0xf8, 0 }, /* HP ze1115 */ 441da177e4SLinus Torvalds { { 0x63, 0x02, 0x0a }, 0xf8, 0xf8, 0 }, 451da177e4SLinus Torvalds { { 0x63, 0x02, 0x14 }, 0xf8, 0xf8, 0 }, 46ea54c96cSVojtech Pavlik { { 0x63, 0x02, 0x28 }, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Fujitsu Siemens S6010 */ 471da177e4SLinus Torvalds { { 0x63, 0x02, 0x3c }, 0x8f, 0x8f, ALPS_WHEEL }, /* Toshiba Satellite S2400-103 */ 48c30b4c10SIvan Casado Ruiz { { 0x63, 0x02, 0x50 }, 0xef, 0xef, ALPS_FW_BK_1 }, /* NEC Versa L320 */ 491da177e4SLinus Torvalds { { 0x63, 0x02, 0x64 }, 0xf8, 0xf8, 0 }, 501da177e4SLinus Torvalds { { 0x63, 0x03, 0xc8 }, 0xf8, 0xf8, ALPS_PASS }, /* Dell Latitude D800 */ 51f493018eSDmitry Torokhov { { 0x73, 0x00, 0x0a }, 0xf8, 0xf8, ALPS_DUALPOINT }, /* ThinkPad R61 8918-5QG */ 521da177e4SLinus Torvalds { { 0x73, 0x02, 0x0a }, 0xf8, 0xf8, 0 }, 53c30b4c10SIvan Casado Ruiz { { 0x73, 0x02, 0x14 }, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Ahtec Laptop */ 541da177e4SLinus Torvalds { { 0x20, 0x02, 0x0e }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* XXX */ 551da177e4SLinus Torvalds { { 0x22, 0x02, 0x0a }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, 561da177e4SLinus Torvalds { { 0x22, 0x02, 0x14 }, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D600 */ 57fb491610SDmitry Torokhov { { 0x73, 0x02, 0x50 }, 0xcf, 0xcf, ALPS_FW_BK_1 } /* Dell Vostro 1400 */ 581da177e4SLinus Torvalds }; 591da177e4SLinus Torvalds 601da177e4SLinus Torvalds /* 611da177e4SLinus Torvalds * XXX - this entry is suspicious. First byte has zero lower nibble, 621da177e4SLinus Torvalds * which is what a normal mouse would report. Also, the value 0x0e 631da177e4SLinus Torvalds * isn't valid per PS/2 spec. 641da177e4SLinus Torvalds */ 651da177e4SLinus Torvalds 661da177e4SLinus Torvalds /* 671da177e4SLinus Torvalds * ALPS abolute Mode - new format 681da177e4SLinus Torvalds * 691da177e4SLinus Torvalds * byte 0: 1 ? ? ? 1 ? ? ? 701da177e4SLinus Torvalds * byte 1: 0 x6 x5 x4 x3 x2 x1 x0 711da177e4SLinus Torvalds * byte 2: 0 x10 x9 x8 x7 ? fin ges 721da177e4SLinus Torvalds * byte 3: 0 y9 y8 y7 1 M R L 731da177e4SLinus Torvalds * byte 4: 0 y6 y5 y4 y3 y2 y1 y0 741da177e4SLinus Torvalds * byte 5: 0 z6 z5 z4 z3 z2 z1 z0 751da177e4SLinus Torvalds * 761da177e4SLinus Torvalds * ?'s can have different meanings on different models, 771da177e4SLinus Torvalds * such as wheel rotation, extra buttons, stick buttons 781da177e4SLinus Torvalds * on a dualpoint, etc. 791da177e4SLinus Torvalds */ 801da177e4SLinus Torvalds 817d12e780SDavid Howells static void alps_process_packet(struct psmouse *psmouse) 821da177e4SLinus Torvalds { 831da177e4SLinus Torvalds struct alps_data *priv = psmouse->private; 841da177e4SLinus Torvalds unsigned char *packet = psmouse->packet; 852e5b636bSDmitry Torokhov struct input_dev *dev = psmouse->dev; 862e5b636bSDmitry Torokhov struct input_dev *dev2 = priv->dev2; 871da177e4SLinus Torvalds int x, y, z, ges, fin, left, right, middle; 88c30b4c10SIvan Casado Ruiz int back = 0, forward = 0; 891da177e4SLinus Torvalds 901da177e4SLinus Torvalds if ((packet[0] & 0xc8) == 0x08) { /* 3-byte PS/2 packet */ 911da177e4SLinus Torvalds input_report_key(dev2, BTN_LEFT, packet[0] & 1); 921da177e4SLinus Torvalds input_report_key(dev2, BTN_RIGHT, packet[0] & 2); 931da177e4SLinus Torvalds input_report_key(dev2, BTN_MIDDLE, packet[0] & 4); 941da177e4SLinus Torvalds input_report_rel(dev2, REL_X, 951da177e4SLinus Torvalds packet[1] ? packet[1] - ((packet[0] << 4) & 0x100) : 0); 961da177e4SLinus Torvalds input_report_rel(dev2, REL_Y, 971da177e4SLinus Torvalds packet[2] ? ((packet[0] << 3) & 0x100) - packet[2] : 0); 981da177e4SLinus Torvalds input_sync(dev2); 991da177e4SLinus Torvalds return; 1001da177e4SLinus Torvalds } 1011da177e4SLinus Torvalds 1021da177e4SLinus Torvalds if (priv->i->flags & ALPS_OLDPROTO) { 103d2f4012fSYotam Medini left = packet[2] & 0x10; 104d2f4012fSYotam Medini right = packet[2] & 0x08; 1051da177e4SLinus Torvalds middle = 0; 1061da177e4SLinus Torvalds x = packet[1] | ((packet[0] & 0x07) << 7); 1071da177e4SLinus Torvalds y = packet[4] | ((packet[3] & 0x07) << 7); 1081da177e4SLinus Torvalds z = packet[5]; 1091da177e4SLinus Torvalds } else { 1101da177e4SLinus Torvalds left = packet[3] & 1; 1111da177e4SLinus Torvalds right = packet[3] & 2; 1121da177e4SLinus Torvalds middle = packet[3] & 4; 1131da177e4SLinus Torvalds x = packet[1] | ((packet[2] & 0x78) << (7 - 3)); 1141da177e4SLinus Torvalds y = packet[4] | ((packet[3] & 0x70) << (7 - 4)); 1151da177e4SLinus Torvalds z = packet[5]; 1161da177e4SLinus Torvalds } 1171da177e4SLinus Torvalds 118c30b4c10SIvan Casado Ruiz if (priv->i->flags & ALPS_FW_BK_1) { 119c30b4c10SIvan Casado Ruiz back = packet[2] & 4; 120c30b4c10SIvan Casado Ruiz forward = packet[0] & 0x10; 121c30b4c10SIvan Casado Ruiz } 122c30b4c10SIvan Casado Ruiz 123c30b4c10SIvan Casado Ruiz if (priv->i->flags & ALPS_FW_BK_2) { 124c30b4c10SIvan Casado Ruiz back = packet[3] & 4; 125c30b4c10SIvan Casado Ruiz forward = packet[2] & 4; 126c30b4c10SIvan Casado Ruiz if ((middle = forward && back)) 127c30b4c10SIvan Casado Ruiz forward = back = 0; 128c30b4c10SIvan Casado Ruiz } 129c30b4c10SIvan Casado Ruiz 1301da177e4SLinus Torvalds ges = packet[2] & 1; 1311da177e4SLinus Torvalds fin = packet[2] & 2; 1321da177e4SLinus Torvalds 1331da177e4SLinus Torvalds input_report_key(dev, BTN_LEFT, left); 1341da177e4SLinus Torvalds input_report_key(dev, BTN_RIGHT, right); 1351da177e4SLinus Torvalds input_report_key(dev, BTN_MIDDLE, middle); 1361da177e4SLinus Torvalds 1371da177e4SLinus Torvalds if ((priv->i->flags & ALPS_DUALPOINT) && z == 127) { 1381da177e4SLinus Torvalds input_report_rel(dev2, REL_X, (x > 383 ? (x - 768) : x)); 1391da177e4SLinus Torvalds input_report_rel(dev2, REL_Y, -(y > 255 ? (y - 512) : y)); 1401da177e4SLinus Torvalds input_sync(dev); 1411da177e4SLinus Torvalds input_sync(dev2); 1421da177e4SLinus Torvalds return; 1431da177e4SLinus Torvalds } 1441da177e4SLinus Torvalds 1451da177e4SLinus Torvalds /* Convert hardware tap to a reasonable Z value */ 1461da177e4SLinus Torvalds if (ges && !fin) z = 40; 1471da177e4SLinus Torvalds 1481da177e4SLinus Torvalds /* 1491da177e4SLinus Torvalds * A "tap and drag" operation is reported by the hardware as a transition 1501da177e4SLinus Torvalds * from (!fin && ges) to (fin && ges). This should be translated to the 1511da177e4SLinus Torvalds * sequence Z>0, Z==0, Z>0, so the Z==0 event has to be generated manually. 1521da177e4SLinus Torvalds */ 1531da177e4SLinus Torvalds if (ges && fin && !priv->prev_fin) { 1541da177e4SLinus Torvalds input_report_abs(dev, ABS_X, x); 1551da177e4SLinus Torvalds input_report_abs(dev, ABS_Y, y); 1561da177e4SLinus Torvalds input_report_abs(dev, ABS_PRESSURE, 0); 1571da177e4SLinus Torvalds input_report_key(dev, BTN_TOOL_FINGER, 0); 1581da177e4SLinus Torvalds input_sync(dev); 1591da177e4SLinus Torvalds } 1601da177e4SLinus Torvalds priv->prev_fin = fin; 1611da177e4SLinus Torvalds 1621da177e4SLinus Torvalds if (z > 30) input_report_key(dev, BTN_TOUCH, 1); 1631da177e4SLinus Torvalds if (z < 25) input_report_key(dev, BTN_TOUCH, 0); 1641da177e4SLinus Torvalds 1651da177e4SLinus Torvalds if (z > 0) { 1661da177e4SLinus Torvalds input_report_abs(dev, ABS_X, x); 1671da177e4SLinus Torvalds input_report_abs(dev, ABS_Y, y); 1681da177e4SLinus Torvalds } 1691da177e4SLinus Torvalds 1701da177e4SLinus Torvalds input_report_abs(dev, ABS_PRESSURE, z); 1711da177e4SLinus Torvalds input_report_key(dev, BTN_TOOL_FINGER, z > 0); 1721da177e4SLinus Torvalds 1731da177e4SLinus Torvalds if (priv->i->flags & ALPS_WHEEL) 174e6c047b9SVojtech Pavlik input_report_rel(dev, REL_WHEEL, ((packet[2] << 1) & 0x08) - ((packet[0] >> 4) & 0x07)); 1751da177e4SLinus Torvalds 176c30b4c10SIvan Casado Ruiz if (priv->i->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) { 177c30b4c10SIvan Casado Ruiz input_report_key(dev, BTN_FORWARD, forward); 178c30b4c10SIvan Casado Ruiz input_report_key(dev, BTN_BACK, back); 1791da177e4SLinus Torvalds } 1801da177e4SLinus Torvalds 1811da177e4SLinus Torvalds input_sync(dev); 1821da177e4SLinus Torvalds } 1831da177e4SLinus Torvalds 1847d12e780SDavid Howells static psmouse_ret_t alps_process_byte(struct psmouse *psmouse) 1851da177e4SLinus Torvalds { 1861da177e4SLinus Torvalds struct alps_data *priv = psmouse->private; 1871da177e4SLinus Torvalds 1881da177e4SLinus Torvalds if ((psmouse->packet[0] & 0xc8) == 0x08) { /* PS/2 packet */ 1891da177e4SLinus Torvalds if (psmouse->pktcnt == 3) { 1907d12e780SDavid Howells alps_process_packet(psmouse); 1911da177e4SLinus Torvalds return PSMOUSE_FULL_PACKET; 1921da177e4SLinus Torvalds } 1931da177e4SLinus Torvalds return PSMOUSE_GOOD_DATA; 1941da177e4SLinus Torvalds } 1951da177e4SLinus Torvalds 1961da177e4SLinus Torvalds if ((psmouse->packet[0] & priv->i->mask0) != priv->i->byte0) 1971da177e4SLinus Torvalds return PSMOUSE_BAD_DATA; 1981da177e4SLinus Torvalds 1991da177e4SLinus Torvalds /* Bytes 2 - 6 should have 0 in the highest bit */ 2001da177e4SLinus Torvalds if (psmouse->pktcnt >= 2 && psmouse->pktcnt <= 6 && 2011da177e4SLinus Torvalds (psmouse->packet[psmouse->pktcnt - 1] & 0x80)) 2021da177e4SLinus Torvalds return PSMOUSE_BAD_DATA; 2031da177e4SLinus Torvalds 2041da177e4SLinus Torvalds if (psmouse->pktcnt == 6) { 2057d12e780SDavid Howells alps_process_packet(psmouse); 2061da177e4SLinus Torvalds return PSMOUSE_FULL_PACKET; 2071da177e4SLinus Torvalds } 2081da177e4SLinus Torvalds 2091da177e4SLinus Torvalds return PSMOUSE_GOOD_DATA; 2101da177e4SLinus Torvalds } 2111da177e4SLinus Torvalds 212e38de678SHelge Deller static const struct alps_model_info *alps_get_model(struct psmouse *psmouse, int *version) 2131da177e4SLinus Torvalds { 2141da177e4SLinus Torvalds struct ps2dev *ps2dev = &psmouse->ps2dev; 215e38de678SHelge Deller static const unsigned char rates[] = { 0, 10, 20, 40, 60, 80, 100, 200 }; 2161da177e4SLinus Torvalds unsigned char param[4]; 2171da177e4SLinus Torvalds int i; 2181da177e4SLinus Torvalds 2191da177e4SLinus Torvalds /* 2201da177e4SLinus Torvalds * First try "E6 report". 2211da177e4SLinus Torvalds * ALPS should return 0,0,10 or 0,0,100 2221da177e4SLinus Torvalds */ 2231da177e4SLinus Torvalds param[0] = 0; 2241da177e4SLinus Torvalds if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES) || 2251da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 2261da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 2271da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11)) 2281da177e4SLinus Torvalds return NULL; 2291da177e4SLinus Torvalds 2301da177e4SLinus Torvalds param[0] = param[1] = param[2] = 0xff; 2311da177e4SLinus Torvalds if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) 2321da177e4SLinus Torvalds return NULL; 2331da177e4SLinus Torvalds 2341da177e4SLinus Torvalds dbg("E6 report: %2.2x %2.2x %2.2x", param[0], param[1], param[2]); 2351da177e4SLinus Torvalds 2361da177e4SLinus Torvalds if (param[0] != 0 || param[1] != 0 || (param[2] != 10 && param[2] != 100)) 2371da177e4SLinus Torvalds return NULL; 2381da177e4SLinus Torvalds 2391da177e4SLinus Torvalds /* 2401da177e4SLinus Torvalds * Now try "E7 report". Allowed responses are in 2411da177e4SLinus Torvalds * alps_model_data[].signature 2421da177e4SLinus Torvalds */ 2431da177e4SLinus Torvalds param[0] = 0; 2441da177e4SLinus Torvalds if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES) || 2451da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) || 2461da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) || 2471da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21)) 2481da177e4SLinus Torvalds return NULL; 2491da177e4SLinus Torvalds 2501da177e4SLinus Torvalds param[0] = param[1] = param[2] = 0xff; 2511da177e4SLinus Torvalds if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) 2521da177e4SLinus Torvalds return NULL; 2531da177e4SLinus Torvalds 2541da177e4SLinus Torvalds dbg("E7 report: %2.2x %2.2x %2.2x", param[0], param[1], param[2]); 2551da177e4SLinus Torvalds 2561e0c5b12SDmitry Torokhov if (version) { 2571e0c5b12SDmitry Torokhov for (i = 0; i < ARRAY_SIZE(rates) && param[2] != rates[i]; i++) 2581e0c5b12SDmitry Torokhov /* empty */; 2591da177e4SLinus Torvalds *version = (param[0] << 8) | (param[1] << 4) | i; 2601e0c5b12SDmitry Torokhov } 2611da177e4SLinus Torvalds 2621da177e4SLinus Torvalds for (i = 0; i < ARRAY_SIZE(alps_model_data); i++) 2631e0c5b12SDmitry Torokhov if (!memcmp(param, alps_model_data[i].signature, 2641e0c5b12SDmitry Torokhov sizeof(alps_model_data[i].signature))) 2651da177e4SLinus Torvalds return alps_model_data + i; 2661da177e4SLinus Torvalds 2671da177e4SLinus Torvalds return NULL; 2681da177e4SLinus Torvalds } 2691da177e4SLinus Torvalds 2701da177e4SLinus Torvalds /* 2711da177e4SLinus Torvalds * For DualPoint devices select the device that should respond to 2721da177e4SLinus Torvalds * subsequent commands. It looks like glidepad is behind stickpointer, 2731da177e4SLinus Torvalds * I'd thought it would be other way around... 2741da177e4SLinus Torvalds */ 2751da177e4SLinus Torvalds static int alps_passthrough_mode(struct psmouse *psmouse, int enable) 2761da177e4SLinus Torvalds { 2771da177e4SLinus Torvalds struct ps2dev *ps2dev = &psmouse->ps2dev; 2781da177e4SLinus Torvalds int cmd = enable ? PSMOUSE_CMD_SETSCALE21 : PSMOUSE_CMD_SETSCALE11; 2791da177e4SLinus Torvalds 2801da177e4SLinus Torvalds if (ps2_command(ps2dev, NULL, cmd) || 2811da177e4SLinus Torvalds ps2_command(ps2dev, NULL, cmd) || 2821da177e4SLinus Torvalds ps2_command(ps2dev, NULL, cmd) || 2831da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE)) 2841da177e4SLinus Torvalds return -1; 2851da177e4SLinus Torvalds 2861da177e4SLinus Torvalds /* we may get 3 more bytes, just ignore them */ 287c611763dSDmitry Torokhov ps2_drain(ps2dev, 3, 100); 2881da177e4SLinus Torvalds 2891da177e4SLinus Torvalds return 0; 2901da177e4SLinus Torvalds } 2911da177e4SLinus Torvalds 2921da177e4SLinus Torvalds static int alps_absolute_mode(struct psmouse *psmouse) 2931da177e4SLinus Torvalds { 2941da177e4SLinus Torvalds struct ps2dev *ps2dev = &psmouse->ps2dev; 2951da177e4SLinus Torvalds 2961da177e4SLinus Torvalds /* Try ALPS magic knock - 4 disable before enable */ 2971da177e4SLinus Torvalds if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 2981da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 2991da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 3001da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 3011da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) 3021da177e4SLinus Torvalds return -1; 3031da177e4SLinus Torvalds 3041da177e4SLinus Torvalds /* 3051da177e4SLinus Torvalds * Switch mouse to poll (remote) mode so motion data will not 3061da177e4SLinus Torvalds * get in our way 3071da177e4SLinus Torvalds */ 3081da177e4SLinus Torvalds return ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETPOLL); 3091da177e4SLinus Torvalds } 3101da177e4SLinus Torvalds 3111da177e4SLinus Torvalds static int alps_get_status(struct psmouse *psmouse, char *param) 3121da177e4SLinus Torvalds { 3131da177e4SLinus Torvalds struct ps2dev *ps2dev = &psmouse->ps2dev; 3141da177e4SLinus Torvalds 3151da177e4SLinus Torvalds /* Get status: 0xF5 0xF5 0xF5 0xE9 */ 3161da177e4SLinus Torvalds if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 3171da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 3181da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 3191da177e4SLinus Torvalds ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) 3201da177e4SLinus Torvalds return -1; 3211da177e4SLinus Torvalds 3221da177e4SLinus Torvalds dbg("Status: %2.2x %2.2x %2.2x", param[0], param[1], param[2]); 3231da177e4SLinus Torvalds 3241da177e4SLinus Torvalds return 0; 3251da177e4SLinus Torvalds } 3261da177e4SLinus Torvalds 3271da177e4SLinus Torvalds /* 3281da177e4SLinus Torvalds * Turn touchpad tapping on or off. The sequences are: 3291da177e4SLinus Torvalds * 0xE9 0xF5 0xF5 0xF3 0x0A to enable, 3301da177e4SLinus Torvalds * 0xE9 0xF5 0xF5 0xE8 0x00 to disable. 3311da177e4SLinus Torvalds * My guess that 0xE9 (GetInfo) is here as a sync point. 3321da177e4SLinus Torvalds * For models that also have stickpointer (DualPoints) its tapping 3331da177e4SLinus Torvalds * is controlled separately (0xE6 0xE6 0xE6 0xF3 0x14|0x0A) but 3341da177e4SLinus Torvalds * we don't fiddle with it. 3351da177e4SLinus Torvalds */ 3361da177e4SLinus Torvalds static int alps_tap_mode(struct psmouse *psmouse, int enable) 3371da177e4SLinus Torvalds { 3381da177e4SLinus Torvalds struct ps2dev *ps2dev = &psmouse->ps2dev; 3391da177e4SLinus Torvalds int cmd = enable ? PSMOUSE_CMD_SETRATE : PSMOUSE_CMD_SETRES; 3401da177e4SLinus Torvalds unsigned char tap_arg = enable ? 0x0A : 0x00; 3411da177e4SLinus Torvalds unsigned char param[4]; 3421da177e4SLinus Torvalds 3431da177e4SLinus Torvalds if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO) || 3441da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 3451da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 3461da177e4SLinus Torvalds ps2_command(ps2dev, &tap_arg, cmd)) 3471da177e4SLinus Torvalds return -1; 3481da177e4SLinus Torvalds 3491da177e4SLinus Torvalds if (alps_get_status(psmouse, param)) 3501da177e4SLinus Torvalds return -1; 3511da177e4SLinus Torvalds 3521da177e4SLinus Torvalds return 0; 3531da177e4SLinus Torvalds } 3541da177e4SLinus Torvalds 355f0d5c6f4SDmitry Torokhov /* 356f0d5c6f4SDmitry Torokhov * alps_poll() - poll the touchpad for current motion packet. 357f0d5c6f4SDmitry Torokhov * Used in resync. 358f0d5c6f4SDmitry Torokhov */ 359f0d5c6f4SDmitry Torokhov static int alps_poll(struct psmouse *psmouse) 360f0d5c6f4SDmitry Torokhov { 361f0d5c6f4SDmitry Torokhov struct alps_data *priv = psmouse->private; 362f0d5c6f4SDmitry Torokhov unsigned char buf[6]; 363f0d5c6f4SDmitry Torokhov int poll_failed; 364f0d5c6f4SDmitry Torokhov 365f0d5c6f4SDmitry Torokhov if (priv->i->flags & ALPS_PASS) 366f0d5c6f4SDmitry Torokhov alps_passthrough_mode(psmouse, 1); 367f0d5c6f4SDmitry Torokhov 368f0d5c6f4SDmitry Torokhov poll_failed = ps2_command(&psmouse->ps2dev, buf, 369f0d5c6f4SDmitry Torokhov PSMOUSE_CMD_POLL | (psmouse->pktsize << 8)) < 0; 370f0d5c6f4SDmitry Torokhov 371f0d5c6f4SDmitry Torokhov if (priv->i->flags & ALPS_PASS) 372f0d5c6f4SDmitry Torokhov alps_passthrough_mode(psmouse, 0); 373f0d5c6f4SDmitry Torokhov 374f0d5c6f4SDmitry Torokhov if (poll_failed || (buf[0] & priv->i->mask0) != priv->i->byte0) 375f0d5c6f4SDmitry Torokhov return -1; 376f0d5c6f4SDmitry Torokhov 377f0d5c6f4SDmitry Torokhov if ((psmouse->badbyte & 0xc8) == 0x08) { 378f0d5c6f4SDmitry Torokhov /* 379f0d5c6f4SDmitry Torokhov * Poll the track stick ... 380f0d5c6f4SDmitry Torokhov */ 381f0d5c6f4SDmitry Torokhov if (ps2_command(&psmouse->ps2dev, buf, PSMOUSE_CMD_POLL | (3 << 8))) 382f0d5c6f4SDmitry Torokhov return -1; 383f0d5c6f4SDmitry Torokhov } 384f0d5c6f4SDmitry Torokhov 385f0d5c6f4SDmitry Torokhov memcpy(psmouse->packet, buf, sizeof(buf)); 386f0d5c6f4SDmitry Torokhov return 0; 387f0d5c6f4SDmitry Torokhov } 388f0d5c6f4SDmitry Torokhov 3891e0c5b12SDmitry Torokhov static int alps_hw_init(struct psmouse *psmouse, int *version) 3901da177e4SLinus Torvalds { 3911da177e4SLinus Torvalds struct alps_data *priv = psmouse->private; 3921da177e4SLinus Torvalds 3931e0c5b12SDmitry Torokhov priv->i = alps_get_model(psmouse, version); 3941e0c5b12SDmitry Torokhov if (!priv->i) 3951da177e4SLinus Torvalds return -1; 3961da177e4SLinus Torvalds 397b30dc120SDavid Moore if ((priv->i->flags & ALPS_PASS) && alps_passthrough_mode(psmouse, 1)) 3981da177e4SLinus Torvalds return -1; 3991da177e4SLinus Torvalds 400963f626dSPeter Osterlund if (alps_tap_mode(psmouse, 1)) { 4011e0c5b12SDmitry Torokhov printk(KERN_WARNING "alps.c: Failed to enable hardware tapping\n"); 4021da177e4SLinus Torvalds return -1; 403963f626dSPeter Osterlund } 4041da177e4SLinus Torvalds 4051da177e4SLinus Torvalds if (alps_absolute_mode(psmouse)) { 4061e0c5b12SDmitry Torokhov printk(KERN_ERR "alps.c: Failed to enable absolute mode\n"); 4071da177e4SLinus Torvalds return -1; 4081da177e4SLinus Torvalds } 4091da177e4SLinus Torvalds 410b30dc120SDavid Moore if ((priv->i->flags & ALPS_PASS) && alps_passthrough_mode(psmouse, 0)) 4111da177e4SLinus Torvalds return -1; 4121da177e4SLinus Torvalds 4131e0c5b12SDmitry Torokhov /* ALPS needs stream mode, otherwise it won't report any data */ 4141e0c5b12SDmitry Torokhov if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSTREAM)) { 4151e0c5b12SDmitry Torokhov printk(KERN_ERR "alps.c: Failed to enable stream mode\n"); 4161e0c5b12SDmitry Torokhov return -1; 4171e0c5b12SDmitry Torokhov } 4181e0c5b12SDmitry Torokhov 4191e0c5b12SDmitry Torokhov return 0; 4201e0c5b12SDmitry Torokhov } 4211e0c5b12SDmitry Torokhov 4221e0c5b12SDmitry Torokhov static int alps_reconnect(struct psmouse *psmouse) 4231e0c5b12SDmitry Torokhov { 4241e0c5b12SDmitry Torokhov psmouse_reset(psmouse); 4251e0c5b12SDmitry Torokhov 4261e0c5b12SDmitry Torokhov if (alps_hw_init(psmouse, NULL)) 4271e0c5b12SDmitry Torokhov return -1; 4281e0c5b12SDmitry Torokhov 4291da177e4SLinus Torvalds return 0; 4301da177e4SLinus Torvalds } 4311da177e4SLinus Torvalds 4321da177e4SLinus Torvalds static void alps_disconnect(struct psmouse *psmouse) 4331da177e4SLinus Torvalds { 4341da177e4SLinus Torvalds struct alps_data *priv = psmouse->private; 4352e5b636bSDmitry Torokhov 4361da177e4SLinus Torvalds psmouse_reset(psmouse); 4372e5b636bSDmitry Torokhov input_unregister_device(priv->dev2); 4381da177e4SLinus Torvalds kfree(priv); 4391da177e4SLinus Torvalds } 4401da177e4SLinus Torvalds 4411da177e4SLinus Torvalds int alps_init(struct psmouse *psmouse) 4421da177e4SLinus Torvalds { 4431da177e4SLinus Torvalds struct alps_data *priv; 4442e5b636bSDmitry Torokhov struct input_dev *dev1 = psmouse->dev, *dev2; 4451da177e4SLinus Torvalds int version; 4461da177e4SLinus Torvalds 447f42649e8SDmitry Torokhov priv = kzalloc(sizeof(struct alps_data), GFP_KERNEL); 4482e5b636bSDmitry Torokhov dev2 = input_allocate_device(); 4492e5b636bSDmitry Torokhov if (!priv || !dev2) 4501da177e4SLinus Torvalds goto init_fail; 4512e5b636bSDmitry Torokhov 4522e5b636bSDmitry Torokhov priv->dev2 = dev2; 4531e0c5b12SDmitry Torokhov psmouse->private = priv; 4541da177e4SLinus Torvalds 4551e0c5b12SDmitry Torokhov if (alps_hw_init(psmouse, &version)) 4561da177e4SLinus Torvalds goto init_fail; 4571da177e4SLinus Torvalds 4587b19ada2SJiri Slaby dev1->evbit[BIT_WORD(EV_KEY)] |= BIT_MASK(EV_KEY); 4597b19ada2SJiri Slaby dev1->keybit[BIT_WORD(BTN_TOUCH)] |= BIT_MASK(BTN_TOUCH); 4607b19ada2SJiri Slaby dev1->keybit[BIT_WORD(BTN_TOOL_FINGER)] |= BIT_MASK(BTN_TOOL_FINGER); 4617b19ada2SJiri Slaby dev1->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_LEFT) | 4627b19ada2SJiri Slaby BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); 4631da177e4SLinus Torvalds 4647b19ada2SJiri Slaby dev1->evbit[BIT_WORD(EV_ABS)] |= BIT_MASK(EV_ABS); 4652e5b636bSDmitry Torokhov input_set_abs_params(dev1, ABS_X, 0, 1023, 0, 0); 4662e5b636bSDmitry Torokhov input_set_abs_params(dev1, ABS_Y, 0, 767, 0, 0); 4672e5b636bSDmitry Torokhov input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0); 4681da177e4SLinus Torvalds 4691da177e4SLinus Torvalds if (priv->i->flags & ALPS_WHEEL) { 4707b19ada2SJiri Slaby dev1->evbit[BIT_WORD(EV_REL)] |= BIT_MASK(EV_REL); 4717b19ada2SJiri Slaby dev1->relbit[BIT_WORD(REL_WHEEL)] |= BIT_MASK(REL_WHEEL); 4721da177e4SLinus Torvalds } 4731da177e4SLinus Torvalds 474c30b4c10SIvan Casado Ruiz if (priv->i->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) { 4757b19ada2SJiri Slaby dev1->keybit[BIT_WORD(BTN_FORWARD)] |= BIT_MASK(BTN_FORWARD); 4767b19ada2SJiri Slaby dev1->keybit[BIT_WORD(BTN_BACK)] |= BIT_MASK(BTN_BACK); 4771da177e4SLinus Torvalds } 4781da177e4SLinus Torvalds 47908ffce45SDmitry Torokhov snprintf(priv->phys, sizeof(priv->phys), "%s/input1", psmouse->ps2dev.serio->phys); 4802e5b636bSDmitry Torokhov dev2->phys = priv->phys; 4812e5b636bSDmitry Torokhov dev2->name = (priv->i->flags & ALPS_DUALPOINT) ? "DualPoint Stick" : "PS/2 Mouse"; 4822e5b636bSDmitry Torokhov dev2->id.bustype = BUS_I8042; 4832e5b636bSDmitry Torokhov dev2->id.vendor = 0x0002; 4842e5b636bSDmitry Torokhov dev2->id.product = PSMOUSE_ALPS; 4852e5b636bSDmitry Torokhov dev2->id.version = 0x0000; 4861da177e4SLinus Torvalds 4877b19ada2SJiri Slaby dev2->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); 4887b19ada2SJiri Slaby dev2->relbit[BIT_WORD(REL_X)] |= BIT_MASK(REL_X) | BIT_MASK(REL_Y); 4897b19ada2SJiri Slaby dev2->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_LEFT) | 4907b19ada2SJiri Slaby BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); 4911da177e4SLinus Torvalds 492f42649e8SDmitry Torokhov if (input_register_device(priv->dev2)) 493f42649e8SDmitry Torokhov goto init_fail; 4941da177e4SLinus Torvalds 4951da177e4SLinus Torvalds psmouse->protocol_handler = alps_process_byte; 496f0d5c6f4SDmitry Torokhov psmouse->poll = alps_poll; 4971da177e4SLinus Torvalds psmouse->disconnect = alps_disconnect; 4981da177e4SLinus Torvalds psmouse->reconnect = alps_reconnect; 4991da177e4SLinus Torvalds psmouse->pktsize = 6; 5001da177e4SLinus Torvalds 501f0d5c6f4SDmitry Torokhov /* We are having trouble resyncing ALPS touchpads so disable it for now */ 502f0d5c6f4SDmitry Torokhov psmouse->resync_time = 0; 503f0d5c6f4SDmitry Torokhov 5041da177e4SLinus Torvalds return 0; 5051da177e4SLinus Torvalds 5061da177e4SLinus Torvalds init_fail: 507f42649e8SDmitry Torokhov psmouse_reset(psmouse); 5082e5b636bSDmitry Torokhov input_free_device(dev2); 5091da177e4SLinus Torvalds kfree(priv); 5101e0c5b12SDmitry Torokhov psmouse->private = NULL; 5111da177e4SLinus Torvalds return -1; 5121da177e4SLinus Torvalds } 5131da177e4SLinus Torvalds 5141da177e4SLinus Torvalds int alps_detect(struct psmouse *psmouse, int set_properties) 5151da177e4SLinus Torvalds { 5161da177e4SLinus Torvalds int version; 517e38de678SHelge Deller const struct alps_model_info *model; 5181da177e4SLinus Torvalds 519f42649e8SDmitry Torokhov model = alps_get_model(psmouse, &version); 520f42649e8SDmitry Torokhov if (!model) 5211da177e4SLinus Torvalds return -1; 5221da177e4SLinus Torvalds 5231da177e4SLinus Torvalds if (set_properties) { 5241da177e4SLinus Torvalds psmouse->vendor = "ALPS"; 525968ac842SDmitry Torokhov psmouse->name = model->flags & ALPS_DUALPOINT ? 526968ac842SDmitry Torokhov "DualPoint TouchPad" : "GlidePoint"; 5271da177e4SLinus Torvalds psmouse->model = version; 5281da177e4SLinus Torvalds } 5291da177e4SLinus Torvalds return 0; 5301da177e4SLinus Torvalds } 5311da177e4SLinus Torvalds 532