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 */ 511da177e4SLinus Torvalds { { 0x73, 0x02, 0x0a }, 0xf8, 0xf8, 0 }, 52c30b4c10SIvan Casado Ruiz { { 0x73, 0x02, 0x14 }, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Ahtec Laptop */ 531da177e4SLinus Torvalds { { 0x20, 0x02, 0x0e }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* XXX */ 541da177e4SLinus Torvalds { { 0x22, 0x02, 0x0a }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, 551da177e4SLinus Torvalds { { 0x22, 0x02, 0x14 }, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D600 */ 561da177e4SLinus Torvalds }; 571da177e4SLinus Torvalds 581da177e4SLinus Torvalds /* 591da177e4SLinus Torvalds * XXX - this entry is suspicious. First byte has zero lower nibble, 601da177e4SLinus Torvalds * which is what a normal mouse would report. Also, the value 0x0e 611da177e4SLinus Torvalds * isn't valid per PS/2 spec. 621da177e4SLinus Torvalds */ 631da177e4SLinus Torvalds 641da177e4SLinus Torvalds /* 651da177e4SLinus Torvalds * ALPS abolute Mode - new format 661da177e4SLinus Torvalds * 671da177e4SLinus Torvalds * byte 0: 1 ? ? ? 1 ? ? ? 681da177e4SLinus Torvalds * byte 1: 0 x6 x5 x4 x3 x2 x1 x0 691da177e4SLinus Torvalds * byte 2: 0 x10 x9 x8 x7 ? fin ges 701da177e4SLinus Torvalds * byte 3: 0 y9 y8 y7 1 M R L 711da177e4SLinus Torvalds * byte 4: 0 y6 y5 y4 y3 y2 y1 y0 721da177e4SLinus Torvalds * byte 5: 0 z6 z5 z4 z3 z2 z1 z0 731da177e4SLinus Torvalds * 741da177e4SLinus Torvalds * ?'s can have different meanings on different models, 751da177e4SLinus Torvalds * such as wheel rotation, extra buttons, stick buttons 761da177e4SLinus Torvalds * on a dualpoint, etc. 771da177e4SLinus Torvalds */ 781da177e4SLinus Torvalds 797d12e780SDavid Howells static void alps_process_packet(struct psmouse *psmouse) 801da177e4SLinus Torvalds { 811da177e4SLinus Torvalds struct alps_data *priv = psmouse->private; 821da177e4SLinus Torvalds unsigned char *packet = psmouse->packet; 832e5b636bSDmitry Torokhov struct input_dev *dev = psmouse->dev; 842e5b636bSDmitry Torokhov struct input_dev *dev2 = priv->dev2; 851da177e4SLinus Torvalds int x, y, z, ges, fin, left, right, middle; 86c30b4c10SIvan Casado Ruiz int back = 0, forward = 0; 871da177e4SLinus Torvalds 881da177e4SLinus Torvalds if ((packet[0] & 0xc8) == 0x08) { /* 3-byte PS/2 packet */ 891da177e4SLinus Torvalds input_report_key(dev2, BTN_LEFT, packet[0] & 1); 901da177e4SLinus Torvalds input_report_key(dev2, BTN_RIGHT, packet[0] & 2); 911da177e4SLinus Torvalds input_report_key(dev2, BTN_MIDDLE, packet[0] & 4); 921da177e4SLinus Torvalds input_report_rel(dev2, REL_X, 931da177e4SLinus Torvalds packet[1] ? packet[1] - ((packet[0] << 4) & 0x100) : 0); 941da177e4SLinus Torvalds input_report_rel(dev2, REL_Y, 951da177e4SLinus Torvalds packet[2] ? ((packet[0] << 3) & 0x100) - packet[2] : 0); 961da177e4SLinus Torvalds input_sync(dev2); 971da177e4SLinus Torvalds return; 981da177e4SLinus Torvalds } 991da177e4SLinus Torvalds 1001da177e4SLinus Torvalds if (priv->i->flags & ALPS_OLDPROTO) { 101d2f4012fSYotam Medini left = packet[2] & 0x10; 102d2f4012fSYotam Medini right = packet[2] & 0x08; 1031da177e4SLinus Torvalds middle = 0; 1041da177e4SLinus Torvalds x = packet[1] | ((packet[0] & 0x07) << 7); 1051da177e4SLinus Torvalds y = packet[4] | ((packet[3] & 0x07) << 7); 1061da177e4SLinus Torvalds z = packet[5]; 1071da177e4SLinus Torvalds } else { 1081da177e4SLinus Torvalds left = packet[3] & 1; 1091da177e4SLinus Torvalds right = packet[3] & 2; 1101da177e4SLinus Torvalds middle = packet[3] & 4; 1111da177e4SLinus Torvalds x = packet[1] | ((packet[2] & 0x78) << (7 - 3)); 1121da177e4SLinus Torvalds y = packet[4] | ((packet[3] & 0x70) << (7 - 4)); 1131da177e4SLinus Torvalds z = packet[5]; 1141da177e4SLinus Torvalds } 1151da177e4SLinus Torvalds 116c30b4c10SIvan Casado Ruiz if (priv->i->flags & ALPS_FW_BK_1) { 117c30b4c10SIvan Casado Ruiz back = packet[2] & 4; 118c30b4c10SIvan Casado Ruiz forward = packet[0] & 0x10; 119c30b4c10SIvan Casado Ruiz } 120c30b4c10SIvan Casado Ruiz 121c30b4c10SIvan Casado Ruiz if (priv->i->flags & ALPS_FW_BK_2) { 122c30b4c10SIvan Casado Ruiz back = packet[3] & 4; 123c30b4c10SIvan Casado Ruiz forward = packet[2] & 4; 124c30b4c10SIvan Casado Ruiz if ((middle = forward && back)) 125c30b4c10SIvan Casado Ruiz forward = back = 0; 126c30b4c10SIvan Casado Ruiz } 127c30b4c10SIvan Casado Ruiz 1281da177e4SLinus Torvalds ges = packet[2] & 1; 1291da177e4SLinus Torvalds fin = packet[2] & 2; 1301da177e4SLinus Torvalds 1311da177e4SLinus Torvalds input_report_key(dev, BTN_LEFT, left); 1321da177e4SLinus Torvalds input_report_key(dev, BTN_RIGHT, right); 1331da177e4SLinus Torvalds input_report_key(dev, BTN_MIDDLE, middle); 1341da177e4SLinus Torvalds 1351da177e4SLinus Torvalds if ((priv->i->flags & ALPS_DUALPOINT) && z == 127) { 1361da177e4SLinus Torvalds input_report_rel(dev2, REL_X, (x > 383 ? (x - 768) : x)); 1371da177e4SLinus Torvalds input_report_rel(dev2, REL_Y, -(y > 255 ? (y - 512) : y)); 1381da177e4SLinus Torvalds input_sync(dev); 1391da177e4SLinus Torvalds input_sync(dev2); 1401da177e4SLinus Torvalds return; 1411da177e4SLinus Torvalds } 1421da177e4SLinus Torvalds 1431da177e4SLinus Torvalds /* Convert hardware tap to a reasonable Z value */ 1441da177e4SLinus Torvalds if (ges && !fin) z = 40; 1451da177e4SLinus Torvalds 1461da177e4SLinus Torvalds /* 1471da177e4SLinus Torvalds * A "tap and drag" operation is reported by the hardware as a transition 1481da177e4SLinus Torvalds * from (!fin && ges) to (fin && ges). This should be translated to the 1491da177e4SLinus Torvalds * sequence Z>0, Z==0, Z>0, so the Z==0 event has to be generated manually. 1501da177e4SLinus Torvalds */ 1511da177e4SLinus Torvalds if (ges && fin && !priv->prev_fin) { 1521da177e4SLinus Torvalds input_report_abs(dev, ABS_X, x); 1531da177e4SLinus Torvalds input_report_abs(dev, ABS_Y, y); 1541da177e4SLinus Torvalds input_report_abs(dev, ABS_PRESSURE, 0); 1551da177e4SLinus Torvalds input_report_key(dev, BTN_TOOL_FINGER, 0); 1561da177e4SLinus Torvalds input_sync(dev); 1571da177e4SLinus Torvalds } 1581da177e4SLinus Torvalds priv->prev_fin = fin; 1591da177e4SLinus Torvalds 1601da177e4SLinus Torvalds if (z > 30) input_report_key(dev, BTN_TOUCH, 1); 1611da177e4SLinus Torvalds if (z < 25) input_report_key(dev, BTN_TOUCH, 0); 1621da177e4SLinus Torvalds 1631da177e4SLinus Torvalds if (z > 0) { 1641da177e4SLinus Torvalds input_report_abs(dev, ABS_X, x); 1651da177e4SLinus Torvalds input_report_abs(dev, ABS_Y, y); 1661da177e4SLinus Torvalds } 1671da177e4SLinus Torvalds 1681da177e4SLinus Torvalds input_report_abs(dev, ABS_PRESSURE, z); 1691da177e4SLinus Torvalds input_report_key(dev, BTN_TOOL_FINGER, z > 0); 1701da177e4SLinus Torvalds 1711da177e4SLinus Torvalds if (priv->i->flags & ALPS_WHEEL) 172e6c047b9SVojtech Pavlik input_report_rel(dev, REL_WHEEL, ((packet[2] << 1) & 0x08) - ((packet[0] >> 4) & 0x07)); 1731da177e4SLinus Torvalds 174c30b4c10SIvan Casado Ruiz if (priv->i->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) { 175c30b4c10SIvan Casado Ruiz input_report_key(dev, BTN_FORWARD, forward); 176c30b4c10SIvan Casado Ruiz input_report_key(dev, BTN_BACK, back); 1771da177e4SLinus Torvalds } 1781da177e4SLinus Torvalds 1791da177e4SLinus Torvalds input_sync(dev); 1801da177e4SLinus Torvalds } 1811da177e4SLinus Torvalds 1827d12e780SDavid Howells static psmouse_ret_t alps_process_byte(struct psmouse *psmouse) 1831da177e4SLinus Torvalds { 1841da177e4SLinus Torvalds struct alps_data *priv = psmouse->private; 1851da177e4SLinus Torvalds 1861da177e4SLinus Torvalds if ((psmouse->packet[0] & 0xc8) == 0x08) { /* PS/2 packet */ 1871da177e4SLinus Torvalds if (psmouse->pktcnt == 3) { 1887d12e780SDavid Howells alps_process_packet(psmouse); 1891da177e4SLinus Torvalds return PSMOUSE_FULL_PACKET; 1901da177e4SLinus Torvalds } 1911da177e4SLinus Torvalds return PSMOUSE_GOOD_DATA; 1921da177e4SLinus Torvalds } 1931da177e4SLinus Torvalds 1941da177e4SLinus Torvalds if ((psmouse->packet[0] & priv->i->mask0) != priv->i->byte0) 1951da177e4SLinus Torvalds return PSMOUSE_BAD_DATA; 1961da177e4SLinus Torvalds 1971da177e4SLinus Torvalds /* Bytes 2 - 6 should have 0 in the highest bit */ 1981da177e4SLinus Torvalds if (psmouse->pktcnt >= 2 && psmouse->pktcnt <= 6 && 1991da177e4SLinus Torvalds (psmouse->packet[psmouse->pktcnt - 1] & 0x80)) 2001da177e4SLinus Torvalds return PSMOUSE_BAD_DATA; 2011da177e4SLinus Torvalds 2021da177e4SLinus Torvalds if (psmouse->pktcnt == 6) { 2037d12e780SDavid Howells alps_process_packet(psmouse); 2041da177e4SLinus Torvalds return PSMOUSE_FULL_PACKET; 2051da177e4SLinus Torvalds } 2061da177e4SLinus Torvalds 2071da177e4SLinus Torvalds return PSMOUSE_GOOD_DATA; 2081da177e4SLinus Torvalds } 2091da177e4SLinus Torvalds 210e38de678SHelge Deller static const struct alps_model_info *alps_get_model(struct psmouse *psmouse, int *version) 2111da177e4SLinus Torvalds { 2121da177e4SLinus Torvalds struct ps2dev *ps2dev = &psmouse->ps2dev; 213e38de678SHelge Deller static const unsigned char rates[] = { 0, 10, 20, 40, 60, 80, 100, 200 }; 2141da177e4SLinus Torvalds unsigned char param[4]; 2151da177e4SLinus Torvalds int i; 2161da177e4SLinus Torvalds 2171da177e4SLinus Torvalds /* 2181da177e4SLinus Torvalds * First try "E6 report". 2191da177e4SLinus Torvalds * ALPS should return 0,0,10 or 0,0,100 2201da177e4SLinus Torvalds */ 2211da177e4SLinus Torvalds param[0] = 0; 2221da177e4SLinus Torvalds if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES) || 2231da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 2241da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 2251da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11)) 2261da177e4SLinus Torvalds return NULL; 2271da177e4SLinus Torvalds 2281da177e4SLinus Torvalds param[0] = param[1] = param[2] = 0xff; 2291da177e4SLinus Torvalds if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) 2301da177e4SLinus Torvalds return NULL; 2311da177e4SLinus Torvalds 2321da177e4SLinus Torvalds dbg("E6 report: %2.2x %2.2x %2.2x", param[0], param[1], param[2]); 2331da177e4SLinus Torvalds 2341da177e4SLinus Torvalds if (param[0] != 0 || param[1] != 0 || (param[2] != 10 && param[2] != 100)) 2351da177e4SLinus Torvalds return NULL; 2361da177e4SLinus Torvalds 2371da177e4SLinus Torvalds /* 2381da177e4SLinus Torvalds * Now try "E7 report". Allowed responses are in 2391da177e4SLinus Torvalds * alps_model_data[].signature 2401da177e4SLinus Torvalds */ 2411da177e4SLinus Torvalds param[0] = 0; 2421da177e4SLinus Torvalds if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES) || 2431da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) || 2441da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) || 2451da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21)) 2461da177e4SLinus Torvalds return NULL; 2471da177e4SLinus Torvalds 2481da177e4SLinus Torvalds param[0] = param[1] = param[2] = 0xff; 2491da177e4SLinus Torvalds if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) 2501da177e4SLinus Torvalds return NULL; 2511da177e4SLinus Torvalds 2521da177e4SLinus Torvalds dbg("E7 report: %2.2x %2.2x %2.2x", param[0], param[1], param[2]); 2531da177e4SLinus Torvalds 2541da177e4SLinus Torvalds for (i = 0; i < ARRAY_SIZE(rates) && param[2] != rates[i]; i++); 2551da177e4SLinus Torvalds *version = (param[0] << 8) | (param[1] << 4) | i; 2561da177e4SLinus Torvalds 2571da177e4SLinus Torvalds for (i = 0; i < ARRAY_SIZE(alps_model_data); i++) 2581da177e4SLinus Torvalds if (!memcmp(param, alps_model_data[i].signature, sizeof(alps_model_data[i].signature))) 2591da177e4SLinus Torvalds return alps_model_data + i; 2601da177e4SLinus Torvalds 2611da177e4SLinus Torvalds return NULL; 2621da177e4SLinus Torvalds } 2631da177e4SLinus Torvalds 2641da177e4SLinus Torvalds /* 2651da177e4SLinus Torvalds * For DualPoint devices select the device that should respond to 2661da177e4SLinus Torvalds * subsequent commands. It looks like glidepad is behind stickpointer, 2671da177e4SLinus Torvalds * I'd thought it would be other way around... 2681da177e4SLinus Torvalds */ 2691da177e4SLinus Torvalds static int alps_passthrough_mode(struct psmouse *psmouse, int enable) 2701da177e4SLinus Torvalds { 2711da177e4SLinus Torvalds struct ps2dev *ps2dev = &psmouse->ps2dev; 2721da177e4SLinus Torvalds int cmd = enable ? PSMOUSE_CMD_SETSCALE21 : PSMOUSE_CMD_SETSCALE11; 2731da177e4SLinus Torvalds 2741da177e4SLinus Torvalds if (ps2_command(ps2dev, NULL, cmd) || 2751da177e4SLinus Torvalds ps2_command(ps2dev, NULL, cmd) || 2761da177e4SLinus Torvalds ps2_command(ps2dev, NULL, cmd) || 2771da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE)) 2781da177e4SLinus Torvalds return -1; 2791da177e4SLinus Torvalds 2801da177e4SLinus Torvalds /* we may get 3 more bytes, just ignore them */ 281c611763dSDmitry Torokhov ps2_drain(ps2dev, 3, 100); 2821da177e4SLinus Torvalds 2831da177e4SLinus Torvalds return 0; 2841da177e4SLinus Torvalds } 2851da177e4SLinus Torvalds 2861da177e4SLinus Torvalds static int alps_absolute_mode(struct psmouse *psmouse) 2871da177e4SLinus Torvalds { 2881da177e4SLinus Torvalds struct ps2dev *ps2dev = &psmouse->ps2dev; 2891da177e4SLinus Torvalds 2901da177e4SLinus Torvalds /* Try ALPS magic knock - 4 disable before enable */ 2911da177e4SLinus Torvalds if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 2921da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 2931da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 2941da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 2951da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) 2961da177e4SLinus Torvalds return -1; 2971da177e4SLinus Torvalds 2981da177e4SLinus Torvalds /* 2991da177e4SLinus Torvalds * Switch mouse to poll (remote) mode so motion data will not 3001da177e4SLinus Torvalds * get in our way 3011da177e4SLinus Torvalds */ 3021da177e4SLinus Torvalds return ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETPOLL); 3031da177e4SLinus Torvalds } 3041da177e4SLinus Torvalds 3051da177e4SLinus Torvalds static int alps_get_status(struct psmouse *psmouse, char *param) 3061da177e4SLinus Torvalds { 3071da177e4SLinus Torvalds struct ps2dev *ps2dev = &psmouse->ps2dev; 3081da177e4SLinus Torvalds 3091da177e4SLinus Torvalds /* Get status: 0xF5 0xF5 0xF5 0xE9 */ 3101da177e4SLinus Torvalds if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 3111da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 3121da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 3131da177e4SLinus Torvalds ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) 3141da177e4SLinus Torvalds return -1; 3151da177e4SLinus Torvalds 3161da177e4SLinus Torvalds dbg("Status: %2.2x %2.2x %2.2x", param[0], param[1], param[2]); 3171da177e4SLinus Torvalds 3181da177e4SLinus Torvalds return 0; 3191da177e4SLinus Torvalds } 3201da177e4SLinus Torvalds 3211da177e4SLinus Torvalds /* 3221da177e4SLinus Torvalds * Turn touchpad tapping on or off. The sequences are: 3231da177e4SLinus Torvalds * 0xE9 0xF5 0xF5 0xF3 0x0A to enable, 3241da177e4SLinus Torvalds * 0xE9 0xF5 0xF5 0xE8 0x00 to disable. 3251da177e4SLinus Torvalds * My guess that 0xE9 (GetInfo) is here as a sync point. 3261da177e4SLinus Torvalds * For models that also have stickpointer (DualPoints) its tapping 3271da177e4SLinus Torvalds * is controlled separately (0xE6 0xE6 0xE6 0xF3 0x14|0x0A) but 3281da177e4SLinus Torvalds * we don't fiddle with it. 3291da177e4SLinus Torvalds */ 3301da177e4SLinus Torvalds static int alps_tap_mode(struct psmouse *psmouse, int enable) 3311da177e4SLinus Torvalds { 3321da177e4SLinus Torvalds struct ps2dev *ps2dev = &psmouse->ps2dev; 3331da177e4SLinus Torvalds int cmd = enable ? PSMOUSE_CMD_SETRATE : PSMOUSE_CMD_SETRES; 3341da177e4SLinus Torvalds unsigned char tap_arg = enable ? 0x0A : 0x00; 3351da177e4SLinus Torvalds unsigned char param[4]; 3361da177e4SLinus Torvalds 3371da177e4SLinus Torvalds if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO) || 3381da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 3391da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 3401da177e4SLinus Torvalds ps2_command(ps2dev, &tap_arg, cmd)) 3411da177e4SLinus Torvalds return -1; 3421da177e4SLinus Torvalds 3431da177e4SLinus Torvalds if (alps_get_status(psmouse, param)) 3441da177e4SLinus Torvalds return -1; 3451da177e4SLinus Torvalds 3461da177e4SLinus Torvalds return 0; 3471da177e4SLinus Torvalds } 3481da177e4SLinus Torvalds 349f0d5c6f4SDmitry Torokhov /* 350f0d5c6f4SDmitry Torokhov * alps_poll() - poll the touchpad for current motion packet. 351f0d5c6f4SDmitry Torokhov * Used in resync. 352f0d5c6f4SDmitry Torokhov */ 353f0d5c6f4SDmitry Torokhov static int alps_poll(struct psmouse *psmouse) 354f0d5c6f4SDmitry Torokhov { 355f0d5c6f4SDmitry Torokhov struct alps_data *priv = psmouse->private; 356f0d5c6f4SDmitry Torokhov unsigned char buf[6]; 357f0d5c6f4SDmitry Torokhov int poll_failed; 358f0d5c6f4SDmitry Torokhov 359f0d5c6f4SDmitry Torokhov if (priv->i->flags & ALPS_PASS) 360f0d5c6f4SDmitry Torokhov alps_passthrough_mode(psmouse, 1); 361f0d5c6f4SDmitry Torokhov 362f0d5c6f4SDmitry Torokhov poll_failed = ps2_command(&psmouse->ps2dev, buf, 363f0d5c6f4SDmitry Torokhov PSMOUSE_CMD_POLL | (psmouse->pktsize << 8)) < 0; 364f0d5c6f4SDmitry Torokhov 365f0d5c6f4SDmitry Torokhov if (priv->i->flags & ALPS_PASS) 366f0d5c6f4SDmitry Torokhov alps_passthrough_mode(psmouse, 0); 367f0d5c6f4SDmitry Torokhov 368f0d5c6f4SDmitry Torokhov if (poll_failed || (buf[0] & priv->i->mask0) != priv->i->byte0) 369f0d5c6f4SDmitry Torokhov return -1; 370f0d5c6f4SDmitry Torokhov 371f0d5c6f4SDmitry Torokhov if ((psmouse->badbyte & 0xc8) == 0x08) { 372f0d5c6f4SDmitry Torokhov /* 373f0d5c6f4SDmitry Torokhov * Poll the track stick ... 374f0d5c6f4SDmitry Torokhov */ 375f0d5c6f4SDmitry Torokhov if (ps2_command(&psmouse->ps2dev, buf, PSMOUSE_CMD_POLL | (3 << 8))) 376f0d5c6f4SDmitry Torokhov return -1; 377f0d5c6f4SDmitry Torokhov } 378f0d5c6f4SDmitry Torokhov 379f0d5c6f4SDmitry Torokhov memcpy(psmouse->packet, buf, sizeof(buf)); 380f0d5c6f4SDmitry Torokhov return 0; 381f0d5c6f4SDmitry Torokhov } 382f0d5c6f4SDmitry Torokhov 3831da177e4SLinus Torvalds static int alps_reconnect(struct psmouse *psmouse) 3841da177e4SLinus Torvalds { 3851da177e4SLinus Torvalds struct alps_data *priv = psmouse->private; 3861da177e4SLinus Torvalds int version; 3871da177e4SLinus Torvalds 388f3a5c73dSDmitry Torokhov psmouse_reset(psmouse); 389f3a5c73dSDmitry Torokhov 3901da177e4SLinus Torvalds if (!(priv->i = alps_get_model(psmouse, &version))) 3911da177e4SLinus Torvalds return -1; 3921da177e4SLinus Torvalds 393b30dc120SDavid Moore if ((priv->i->flags & ALPS_PASS) && alps_passthrough_mode(psmouse, 1)) 3941da177e4SLinus Torvalds return -1; 3951da177e4SLinus Torvalds 396963f626dSPeter Osterlund if (alps_tap_mode(psmouse, 1)) { 397963f626dSPeter Osterlund printk(KERN_WARNING "alps.c: Failed to reenable hardware tapping\n"); 3981da177e4SLinus Torvalds return -1; 399963f626dSPeter Osterlund } 4001da177e4SLinus Torvalds 4011da177e4SLinus Torvalds if (alps_absolute_mode(psmouse)) { 402963f626dSPeter Osterlund printk(KERN_ERR "alps.c: Failed to reenable absolute mode\n"); 4031da177e4SLinus Torvalds return -1; 4041da177e4SLinus Torvalds } 4051da177e4SLinus Torvalds 406b30dc120SDavid Moore if ((priv->i->flags & ALPS_PASS) && alps_passthrough_mode(psmouse, 0)) 4071da177e4SLinus Torvalds return -1; 4081da177e4SLinus Torvalds 4091da177e4SLinus Torvalds return 0; 4101da177e4SLinus Torvalds } 4111da177e4SLinus Torvalds 4121da177e4SLinus Torvalds static void alps_disconnect(struct psmouse *psmouse) 4131da177e4SLinus Torvalds { 4141da177e4SLinus Torvalds struct alps_data *priv = psmouse->private; 4152e5b636bSDmitry Torokhov 4161da177e4SLinus Torvalds psmouse_reset(psmouse); 4172e5b636bSDmitry Torokhov input_unregister_device(priv->dev2); 4181da177e4SLinus Torvalds kfree(priv); 4191da177e4SLinus Torvalds } 4201da177e4SLinus Torvalds 4211da177e4SLinus Torvalds int alps_init(struct psmouse *psmouse) 4221da177e4SLinus Torvalds { 4231da177e4SLinus Torvalds struct alps_data *priv; 4242e5b636bSDmitry Torokhov struct input_dev *dev1 = psmouse->dev, *dev2; 4251da177e4SLinus Torvalds int version; 4261da177e4SLinus Torvalds 4272e5b636bSDmitry Torokhov psmouse->private = priv = kzalloc(sizeof(struct alps_data), GFP_KERNEL); 4282e5b636bSDmitry Torokhov dev2 = input_allocate_device(); 4292e5b636bSDmitry Torokhov if (!priv || !dev2) 4301da177e4SLinus Torvalds goto init_fail; 4312e5b636bSDmitry Torokhov 4322e5b636bSDmitry Torokhov priv->dev2 = dev2; 4331da177e4SLinus Torvalds 4341da177e4SLinus Torvalds if (!(priv->i = alps_get_model(psmouse, &version))) 4351da177e4SLinus Torvalds goto init_fail; 4361da177e4SLinus Torvalds 4371da177e4SLinus Torvalds if ((priv->i->flags & ALPS_PASS) && alps_passthrough_mode(psmouse, 1)) 4381da177e4SLinus Torvalds goto init_fail; 4391da177e4SLinus Torvalds 4401da177e4SLinus Torvalds if (alps_tap_mode(psmouse, 1)) 4411da177e4SLinus Torvalds printk(KERN_WARNING "alps.c: Failed to enable hardware tapping\n"); 4421da177e4SLinus Torvalds 4431da177e4SLinus Torvalds if (alps_absolute_mode(psmouse)) { 4441da177e4SLinus Torvalds printk(KERN_ERR "alps.c: Failed to enable absolute mode\n"); 4451da177e4SLinus Torvalds goto init_fail; 4461da177e4SLinus Torvalds } 4471da177e4SLinus Torvalds 4481da177e4SLinus Torvalds if ((priv->i->flags & ALPS_PASS) && alps_passthrough_mode(psmouse, 0)) 4491da177e4SLinus Torvalds goto init_fail; 4501da177e4SLinus Torvalds 4512e5b636bSDmitry Torokhov dev1->evbit[LONG(EV_KEY)] |= BIT(EV_KEY); 4522e5b636bSDmitry Torokhov dev1->keybit[LONG(BTN_TOUCH)] |= BIT(BTN_TOUCH); 4532e5b636bSDmitry Torokhov dev1->keybit[LONG(BTN_TOOL_FINGER)] |= BIT(BTN_TOOL_FINGER); 4542e5b636bSDmitry Torokhov dev1->keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT); 4551da177e4SLinus Torvalds 4562e5b636bSDmitry Torokhov dev1->evbit[LONG(EV_ABS)] |= BIT(EV_ABS); 4572e5b636bSDmitry Torokhov input_set_abs_params(dev1, ABS_X, 0, 1023, 0, 0); 4582e5b636bSDmitry Torokhov input_set_abs_params(dev1, ABS_Y, 0, 767, 0, 0); 4592e5b636bSDmitry Torokhov input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0); 4601da177e4SLinus Torvalds 4611da177e4SLinus Torvalds if (priv->i->flags & ALPS_WHEEL) { 4622e5b636bSDmitry Torokhov dev1->evbit[LONG(EV_REL)] |= BIT(EV_REL); 4632e5b636bSDmitry Torokhov dev1->relbit[LONG(REL_WHEEL)] |= BIT(REL_WHEEL); 4641da177e4SLinus Torvalds } 4651da177e4SLinus Torvalds 466c30b4c10SIvan Casado Ruiz if (priv->i->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) { 4672e5b636bSDmitry Torokhov dev1->keybit[LONG(BTN_FORWARD)] |= BIT(BTN_FORWARD); 4682e5b636bSDmitry Torokhov dev1->keybit[LONG(BTN_BACK)] |= BIT(BTN_BACK); 4691da177e4SLinus Torvalds } 4701da177e4SLinus Torvalds 47108ffce45SDmitry Torokhov snprintf(priv->phys, sizeof(priv->phys), "%s/input1", psmouse->ps2dev.serio->phys); 4722e5b636bSDmitry Torokhov dev2->phys = priv->phys; 4732e5b636bSDmitry Torokhov dev2->name = (priv->i->flags & ALPS_DUALPOINT) ? "DualPoint Stick" : "PS/2 Mouse"; 4742e5b636bSDmitry Torokhov dev2->id.bustype = BUS_I8042; 4752e5b636bSDmitry Torokhov dev2->id.vendor = 0x0002; 4762e5b636bSDmitry Torokhov dev2->id.product = PSMOUSE_ALPS; 4772e5b636bSDmitry Torokhov dev2->id.version = 0x0000; 4781da177e4SLinus Torvalds 4792e5b636bSDmitry Torokhov dev2->evbit[0] = BIT(EV_KEY) | BIT(EV_REL); 4802e5b636bSDmitry Torokhov dev2->relbit[LONG(REL_X)] |= BIT(REL_X) | BIT(REL_Y); 4812e5b636bSDmitry Torokhov dev2->keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT); 4821da177e4SLinus Torvalds 4832e5b636bSDmitry Torokhov input_register_device(priv->dev2); 4841da177e4SLinus Torvalds 4851da177e4SLinus Torvalds psmouse->protocol_handler = alps_process_byte; 486f0d5c6f4SDmitry Torokhov psmouse->poll = alps_poll; 4871da177e4SLinus Torvalds psmouse->disconnect = alps_disconnect; 4881da177e4SLinus Torvalds psmouse->reconnect = alps_reconnect; 4891da177e4SLinus Torvalds psmouse->pktsize = 6; 4901da177e4SLinus Torvalds 491f0d5c6f4SDmitry Torokhov /* We are having trouble resyncing ALPS touchpads so disable it for now */ 492f0d5c6f4SDmitry Torokhov psmouse->resync_time = 0; 493f0d5c6f4SDmitry Torokhov 4941da177e4SLinus Torvalds return 0; 4951da177e4SLinus Torvalds 4961da177e4SLinus Torvalds init_fail: 4972e5b636bSDmitry Torokhov input_free_device(dev2); 4981da177e4SLinus Torvalds kfree(priv); 4991da177e4SLinus Torvalds return -1; 5001da177e4SLinus Torvalds } 5011da177e4SLinus Torvalds 5021da177e4SLinus Torvalds int alps_detect(struct psmouse *psmouse, int set_properties) 5031da177e4SLinus Torvalds { 5041da177e4SLinus Torvalds int version; 505e38de678SHelge Deller const struct alps_model_info *model; 5061da177e4SLinus Torvalds 5071da177e4SLinus Torvalds if (!(model = alps_get_model(psmouse, &version))) 5081da177e4SLinus Torvalds return -1; 5091da177e4SLinus Torvalds 5101da177e4SLinus Torvalds if (set_properties) { 5111da177e4SLinus Torvalds psmouse->vendor = "ALPS"; 512968ac842SDmitry Torokhov psmouse->name = model->flags & ALPS_DUALPOINT ? 513968ac842SDmitry Torokhov "DualPoint TouchPad" : "GlidePoint"; 5141da177e4SLinus Torvalds psmouse->model = version; 5151da177e4SLinus Torvalds } 5161da177e4SLinus Torvalds return 0; 5171da177e4SLinus Torvalds } 5181da177e4SLinus Torvalds 519