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> 81d9f2626SSebastian Kapfer * Copyright (c) 2009 Sebastian Kapfer <sebastian_kapfer@gmx.net> 91da177e4SLinus Torvalds * 101da177e4SLinus Torvalds * ALPS detection, tap switching and status querying info is taken from 111da177e4SLinus Torvalds * tpconfig utility (by C. Scott Ananian and Bruce Kall). 121da177e4SLinus Torvalds * 131da177e4SLinus Torvalds * This program is free software; you can redistribute it and/or modify it 141da177e4SLinus Torvalds * under the terms of the GNU General Public License version 2 as published by 151da177e4SLinus Torvalds * the Free Software Foundation. 161da177e4SLinus Torvalds */ 171da177e4SLinus Torvalds 185a0e3ad6STejun Heo #include <linux/slab.h> 191da177e4SLinus Torvalds #include <linux/input.h> 2001ce661fSSeth Forshee #include <linux/input/mt.h> 211da177e4SLinus Torvalds #include <linux/serio.h> 221da177e4SLinus Torvalds #include <linux/libps2.h> 231da177e4SLinus Torvalds 241da177e4SLinus Torvalds #include "psmouse.h" 251da177e4SLinus Torvalds #include "alps.h" 261da177e4SLinus Torvalds 2725bded7cSSeth Forshee /* 2825bded7cSSeth Forshee * Definitions for ALPS version 3 and 4 command mode protocol 2925bded7cSSeth Forshee */ 3025bded7cSSeth Forshee #define ALPS_CMD_NIBBLE_10 0x01f2 3125bded7cSSeth Forshee 32cd401204SKevin Cernekee #define ALPS_REG_BASE_RUSHMORE 0xc2c0 33cd401204SKevin Cernekee #define ALPS_REG_BASE_PINNACLE 0x0000 34cd401204SKevin Cernekee 3525bded7cSSeth Forshee static const struct alps_nibble_commands alps_v3_nibble_commands[] = { 3625bded7cSSeth Forshee { PSMOUSE_CMD_SETPOLL, 0x00 }, /* 0 */ 3725bded7cSSeth Forshee { PSMOUSE_CMD_RESET_DIS, 0x00 }, /* 1 */ 3825bded7cSSeth Forshee { PSMOUSE_CMD_SETSCALE21, 0x00 }, /* 2 */ 3925bded7cSSeth Forshee { PSMOUSE_CMD_SETRATE, 0x0a }, /* 3 */ 4025bded7cSSeth Forshee { PSMOUSE_CMD_SETRATE, 0x14 }, /* 4 */ 4125bded7cSSeth Forshee { PSMOUSE_CMD_SETRATE, 0x28 }, /* 5 */ 4225bded7cSSeth Forshee { PSMOUSE_CMD_SETRATE, 0x3c }, /* 6 */ 4325bded7cSSeth Forshee { PSMOUSE_CMD_SETRATE, 0x50 }, /* 7 */ 4425bded7cSSeth Forshee { PSMOUSE_CMD_SETRATE, 0x64 }, /* 8 */ 4525bded7cSSeth Forshee { PSMOUSE_CMD_SETRATE, 0xc8 }, /* 9 */ 4625bded7cSSeth Forshee { ALPS_CMD_NIBBLE_10, 0x00 }, /* a */ 4725bded7cSSeth Forshee { PSMOUSE_CMD_SETRES, 0x00 }, /* b */ 4825bded7cSSeth Forshee { PSMOUSE_CMD_SETRES, 0x01 }, /* c */ 4925bded7cSSeth Forshee { PSMOUSE_CMD_SETRES, 0x02 }, /* d */ 5025bded7cSSeth Forshee { PSMOUSE_CMD_SETRES, 0x03 }, /* e */ 5125bded7cSSeth Forshee { PSMOUSE_CMD_SETSCALE11, 0x00 }, /* f */ 5225bded7cSSeth Forshee }; 5325bded7cSSeth Forshee 5425bded7cSSeth Forshee static const struct alps_nibble_commands alps_v4_nibble_commands[] = { 5525bded7cSSeth Forshee { PSMOUSE_CMD_ENABLE, 0x00 }, /* 0 */ 5625bded7cSSeth Forshee { PSMOUSE_CMD_RESET_DIS, 0x00 }, /* 1 */ 5725bded7cSSeth Forshee { PSMOUSE_CMD_SETSCALE21, 0x00 }, /* 2 */ 5825bded7cSSeth Forshee { PSMOUSE_CMD_SETRATE, 0x0a }, /* 3 */ 5925bded7cSSeth Forshee { PSMOUSE_CMD_SETRATE, 0x14 }, /* 4 */ 6025bded7cSSeth Forshee { PSMOUSE_CMD_SETRATE, 0x28 }, /* 5 */ 6125bded7cSSeth Forshee { PSMOUSE_CMD_SETRATE, 0x3c }, /* 6 */ 6225bded7cSSeth Forshee { PSMOUSE_CMD_SETRATE, 0x50 }, /* 7 */ 6325bded7cSSeth Forshee { PSMOUSE_CMD_SETRATE, 0x64 }, /* 8 */ 6425bded7cSSeth Forshee { PSMOUSE_CMD_SETRATE, 0xc8 }, /* 9 */ 6525bded7cSSeth Forshee { ALPS_CMD_NIBBLE_10, 0x00 }, /* a */ 6625bded7cSSeth Forshee { PSMOUSE_CMD_SETRES, 0x00 }, /* b */ 6725bded7cSSeth Forshee { PSMOUSE_CMD_SETRES, 0x01 }, /* c */ 6825bded7cSSeth Forshee { PSMOUSE_CMD_SETRES, 0x02 }, /* d */ 6925bded7cSSeth Forshee { PSMOUSE_CMD_SETRES, 0x03 }, /* e */ 7025bded7cSSeth Forshee { PSMOUSE_CMD_SETSCALE11, 0x00 }, /* f */ 7125bded7cSSeth Forshee }; 7225bded7cSSeth Forshee 7395f75e91SYunkang Tang static const struct alps_nibble_commands alps_v6_nibble_commands[] = { 7495f75e91SYunkang Tang { PSMOUSE_CMD_ENABLE, 0x00 }, /* 0 */ 7595f75e91SYunkang Tang { PSMOUSE_CMD_SETRATE, 0x0a }, /* 1 */ 7695f75e91SYunkang Tang { PSMOUSE_CMD_SETRATE, 0x14 }, /* 2 */ 7795f75e91SYunkang Tang { PSMOUSE_CMD_SETRATE, 0x28 }, /* 3 */ 7895f75e91SYunkang Tang { PSMOUSE_CMD_SETRATE, 0x3c }, /* 4 */ 7995f75e91SYunkang Tang { PSMOUSE_CMD_SETRATE, 0x50 }, /* 5 */ 8095f75e91SYunkang Tang { PSMOUSE_CMD_SETRATE, 0x64 }, /* 6 */ 8195f75e91SYunkang Tang { PSMOUSE_CMD_SETRATE, 0xc8 }, /* 7 */ 8295f75e91SYunkang Tang { PSMOUSE_CMD_GETID, 0x00 }, /* 8 */ 8395f75e91SYunkang Tang { PSMOUSE_CMD_GETINFO, 0x00 }, /* 9 */ 8495f75e91SYunkang Tang { PSMOUSE_CMD_SETRES, 0x00 }, /* a */ 8595f75e91SYunkang Tang { PSMOUSE_CMD_SETRES, 0x01 }, /* b */ 8695f75e91SYunkang Tang { PSMOUSE_CMD_SETRES, 0x02 }, /* c */ 8795f75e91SYunkang Tang { PSMOUSE_CMD_SETRES, 0x03 }, /* d */ 8895f75e91SYunkang Tang { PSMOUSE_CMD_SETSCALE21, 0x00 }, /* e */ 8995f75e91SYunkang Tang { PSMOUSE_CMD_SETSCALE11, 0x00 }, /* f */ 9095f75e91SYunkang Tang }; 9195f75e91SYunkang Tang 9225bded7cSSeth Forshee 9371bb21b6SMaxim Levitsky #define ALPS_DUALPOINT 0x02 /* touchpad has trackstick */ 9471bb21b6SMaxim Levitsky #define ALPS_PASS 0x04 /* device has a pass-through port */ 9571bb21b6SMaxim Levitsky 9671bb21b6SMaxim Levitsky #define ALPS_WHEEL 0x08 /* hardware wheel present */ 9771bb21b6SMaxim Levitsky #define ALPS_FW_BK_1 0x10 /* front & back buttons present */ 9871bb21b6SMaxim Levitsky #define ALPS_FW_BK_2 0x20 /* front & back buttons present */ 9971bb21b6SMaxim Levitsky #define ALPS_FOUR_BUTTONS 0x40 /* 4 direction button present */ 1001d9f2626SSebastian Kapfer #define ALPS_PS2_INTERLEAVED 0x80 /* 3-byte PS/2 packet interleaved with 1011d9f2626SSebastian Kapfer 6-byte ALPS packet */ 10240e8f53bSHans de Goede #define ALPS_IS_RUSHMORE 0x100 /* device is a rushmore */ 1031da177e4SLinus Torvalds 104e38de678SHelge Deller static const struct alps_model_info alps_model_data[] = { 10525bded7cSSeth Forshee { { 0x32, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* Toshiba Salellite Pro M10 */ 10625bded7cSSeth Forshee { { 0x33, 0x02, 0x0a }, 0x00, ALPS_PROTO_V1, 0x88, 0xf8, 0 }, /* UMAX-530T */ 10725bded7cSSeth Forshee { { 0x53, 0x02, 0x0a }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, 10825bded7cSSeth Forshee { { 0x53, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, 10925bded7cSSeth Forshee { { 0x60, 0x03, 0xc8 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, /* HP ze1115 */ 11025bded7cSSeth Forshee { { 0x63, 0x02, 0x0a }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, 11125bded7cSSeth Forshee { { 0x63, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, 11225bded7cSSeth Forshee { { 0x63, 0x02, 0x28 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Fujitsu Siemens S6010 */ 11325bded7cSSeth Forshee { { 0x63, 0x02, 0x3c }, 0x00, ALPS_PROTO_V2, 0x8f, 0x8f, ALPS_WHEEL }, /* Toshiba Satellite S2400-103 */ 11425bded7cSSeth Forshee { { 0x63, 0x02, 0x50 }, 0x00, ALPS_PROTO_V2, 0xef, 0xef, ALPS_FW_BK_1 }, /* NEC Versa L320 */ 11525bded7cSSeth Forshee { { 0x63, 0x02, 0x64 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, 11625bded7cSSeth Forshee { { 0x63, 0x03, 0xc8 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D800 */ 11725bded7cSSeth Forshee { { 0x73, 0x00, 0x0a }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_DUALPOINT }, /* ThinkPad R61 8918-5QG */ 11825bded7cSSeth Forshee { { 0x73, 0x02, 0x0a }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, 11925bded7cSSeth Forshee { { 0x73, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Ahtec Laptop */ 12025bded7cSSeth Forshee { { 0x20, 0x02, 0x0e }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* XXX */ 12125bded7cSSeth Forshee { { 0x22, 0x02, 0x0a }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, 12225bded7cSSeth Forshee { { 0x22, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D600 */ 1231d9f2626SSebastian Kapfer /* Dell Latitude E5500, E6400, E6500, Precision M4400 */ 12425bded7cSSeth Forshee { { 0x62, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xcf, 0xcf, 1251d9f2626SSebastian Kapfer ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED }, 12695f75e91SYunkang Tang { { 0x73, 0x00, 0x14 }, 0x00, ALPS_PROTO_V6, 0xff, 0xff, ALPS_DUALPOINT }, /* Dell XT2 */ 12725bded7cSSeth Forshee { { 0x73, 0x02, 0x50 }, 0x00, ALPS_PROTO_V2, 0xcf, 0xcf, ALPS_FOUR_BUTTONS }, /* Dell Vostro 1400 */ 12825bded7cSSeth Forshee { { 0x52, 0x01, 0x14 }, 0x00, ALPS_PROTO_V2, 0xff, 0xff, 129eb8bff85SThomas Bächler ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED }, /* Toshiba Tecra A11-11L */ 13025bded7cSSeth Forshee { { 0x73, 0x02, 0x64 }, 0x8a, ALPS_PROTO_V4, 0x8f, 0x8f, 0 }, 1311da177e4SLinus Torvalds }; 1321da177e4SLinus Torvalds 13324af5cb9SKevin Cernekee static void alps_set_abs_params_st(struct alps_data *priv, 13424af5cb9SKevin Cernekee struct input_dev *dev1); 13524af5cb9SKevin Cernekee static void alps_set_abs_params_mt(struct alps_data *priv, 13624af5cb9SKevin Cernekee struct input_dev *dev1); 13724af5cb9SKevin Cernekee 1381da177e4SLinus Torvalds /* 1391da177e4SLinus Torvalds * XXX - this entry is suspicious. First byte has zero lower nibble, 1401da177e4SLinus Torvalds * which is what a normal mouse would report. Also, the value 0x0e 1411da177e4SLinus Torvalds * isn't valid per PS/2 spec. 1421da177e4SLinus Torvalds */ 1431da177e4SLinus Torvalds 144d4b347b2SSeth Forshee /* Packet formats are described in Documentation/input/alps.txt */ 1451da177e4SLinus Torvalds 14699df65e7SKevin Cernekee static bool alps_is_valid_first_byte(struct alps_data *priv, 1471d9f2626SSebastian Kapfer unsigned char data) 1481d9f2626SSebastian Kapfer { 14999df65e7SKevin Cernekee return (data & priv->mask0) == priv->byte0; 1501d9f2626SSebastian Kapfer } 1511d9f2626SSebastian Kapfer 1521d9f2626SSebastian Kapfer static void alps_report_buttons(struct psmouse *psmouse, 1531d9f2626SSebastian Kapfer struct input_dev *dev1, struct input_dev *dev2, 1541d9f2626SSebastian Kapfer int left, int right, int middle) 1551d9f2626SSebastian Kapfer { 1561d9f2626SSebastian Kapfer struct input_dev *dev; 1571d9f2626SSebastian Kapfer 1581d9f2626SSebastian Kapfer /* 1591d9f2626SSebastian Kapfer * If shared button has already been reported on the 1601d9f2626SSebastian Kapfer * other device (dev2) then this event should be also 1611d9f2626SSebastian Kapfer * sent through that device. 1621d9f2626SSebastian Kapfer */ 1631d9f2626SSebastian Kapfer dev = test_bit(BTN_LEFT, dev2->key) ? dev2 : dev1; 1641d9f2626SSebastian Kapfer input_report_key(dev, BTN_LEFT, left); 1651d9f2626SSebastian Kapfer 1661d9f2626SSebastian Kapfer dev = test_bit(BTN_RIGHT, dev2->key) ? dev2 : dev1; 1671d9f2626SSebastian Kapfer input_report_key(dev, BTN_RIGHT, right); 1681d9f2626SSebastian Kapfer 1691d9f2626SSebastian Kapfer dev = test_bit(BTN_MIDDLE, dev2->key) ? dev2 : dev1; 1701d9f2626SSebastian Kapfer input_report_key(dev, BTN_MIDDLE, middle); 1711d9f2626SSebastian Kapfer 1721d9f2626SSebastian Kapfer /* 1731d9f2626SSebastian Kapfer * Sync the _other_ device now, we'll do the first 1741d9f2626SSebastian Kapfer * device later once we report the rest of the events. 1751d9f2626SSebastian Kapfer */ 1761d9f2626SSebastian Kapfer input_sync(dev2); 1771d9f2626SSebastian Kapfer } 1781d9f2626SSebastian Kapfer 17925bded7cSSeth Forshee static void alps_process_packet_v1_v2(struct psmouse *psmouse) 1801da177e4SLinus Torvalds { 1811da177e4SLinus Torvalds struct alps_data *priv = psmouse->private; 1821da177e4SLinus Torvalds unsigned char *packet = psmouse->packet; 1832e5b636bSDmitry Torokhov struct input_dev *dev = psmouse->dev; 1842e5b636bSDmitry Torokhov struct input_dev *dev2 = priv->dev2; 1851da177e4SLinus Torvalds int x, y, z, ges, fin, left, right, middle; 186c30b4c10SIvan Casado Ruiz int back = 0, forward = 0; 1871da177e4SLinus Torvalds 18899df65e7SKevin Cernekee if (priv->proto_version == ALPS_PROTO_V1) { 189d2f4012fSYotam Medini left = packet[2] & 0x10; 190d2f4012fSYotam Medini right = packet[2] & 0x08; 1911da177e4SLinus Torvalds middle = 0; 1921da177e4SLinus Torvalds x = packet[1] | ((packet[0] & 0x07) << 7); 1931da177e4SLinus Torvalds y = packet[4] | ((packet[3] & 0x07) << 7); 1941da177e4SLinus Torvalds z = packet[5]; 1951da177e4SLinus Torvalds } else { 1961da177e4SLinus Torvalds left = packet[3] & 1; 1971da177e4SLinus Torvalds right = packet[3] & 2; 1981da177e4SLinus Torvalds middle = packet[3] & 4; 1991da177e4SLinus Torvalds x = packet[1] | ((packet[2] & 0x78) << (7 - 3)); 2001da177e4SLinus Torvalds y = packet[4] | ((packet[3] & 0x70) << (7 - 4)); 2011da177e4SLinus Torvalds z = packet[5]; 2021da177e4SLinus Torvalds } 2031da177e4SLinus Torvalds 20499df65e7SKevin Cernekee if (priv->flags & ALPS_FW_BK_1) { 2053c00bb96SLaszlo Kajan back = packet[0] & 0x10; 2063c00bb96SLaszlo Kajan forward = packet[2] & 4; 207c30b4c10SIvan Casado Ruiz } 208c30b4c10SIvan Casado Ruiz 20999df65e7SKevin Cernekee if (priv->flags & ALPS_FW_BK_2) { 210c30b4c10SIvan Casado Ruiz back = packet[3] & 4; 211c30b4c10SIvan Casado Ruiz forward = packet[2] & 4; 212c30b4c10SIvan Casado Ruiz if ((middle = forward && back)) 213c30b4c10SIvan Casado Ruiz forward = back = 0; 214c30b4c10SIvan Casado Ruiz } 215c30b4c10SIvan Casado Ruiz 2161da177e4SLinus Torvalds ges = packet[2] & 1; 2171da177e4SLinus Torvalds fin = packet[2] & 2; 2181da177e4SLinus Torvalds 21999df65e7SKevin Cernekee if ((priv->flags & ALPS_DUALPOINT) && z == 127) { 2201da177e4SLinus Torvalds input_report_rel(dev2, REL_X, (x > 383 ? (x - 768) : x)); 2211da177e4SLinus Torvalds input_report_rel(dev2, REL_Y, -(y > 255 ? (y - 512) : y)); 222d7ed5d88SUlrich Dangel 2231d9f2626SSebastian Kapfer alps_report_buttons(psmouse, dev2, dev, left, right, middle); 224d7ed5d88SUlrich Dangel 2251da177e4SLinus Torvalds input_sync(dev2); 2261da177e4SLinus Torvalds return; 2271da177e4SLinus Torvalds } 2281da177e4SLinus Torvalds 2291d9f2626SSebastian Kapfer alps_report_buttons(psmouse, dev, dev2, left, right, middle); 230d7ed5d88SUlrich Dangel 2311da177e4SLinus Torvalds /* Convert hardware tap to a reasonable Z value */ 23271bb21b6SMaxim Levitsky if (ges && !fin) 23371bb21b6SMaxim Levitsky z = 40; 2341da177e4SLinus Torvalds 2351da177e4SLinus Torvalds /* 2361da177e4SLinus Torvalds * A "tap and drag" operation is reported by the hardware as a transition 2371da177e4SLinus Torvalds * from (!fin && ges) to (fin && ges). This should be translated to the 2381da177e4SLinus Torvalds * sequence Z>0, Z==0, Z>0, so the Z==0 event has to be generated manually. 2391da177e4SLinus Torvalds */ 2401da177e4SLinus Torvalds if (ges && fin && !priv->prev_fin) { 2411da177e4SLinus Torvalds input_report_abs(dev, ABS_X, x); 2421da177e4SLinus Torvalds input_report_abs(dev, ABS_Y, y); 2431da177e4SLinus Torvalds input_report_abs(dev, ABS_PRESSURE, 0); 2441da177e4SLinus Torvalds input_report_key(dev, BTN_TOOL_FINGER, 0); 2451da177e4SLinus Torvalds input_sync(dev); 2461da177e4SLinus Torvalds } 2471da177e4SLinus Torvalds priv->prev_fin = fin; 2481da177e4SLinus Torvalds 24971bb21b6SMaxim Levitsky if (z > 30) 25071bb21b6SMaxim Levitsky input_report_key(dev, BTN_TOUCH, 1); 25171bb21b6SMaxim Levitsky if (z < 25) 25271bb21b6SMaxim Levitsky input_report_key(dev, BTN_TOUCH, 0); 2531da177e4SLinus Torvalds 2541da177e4SLinus Torvalds if (z > 0) { 2551da177e4SLinus Torvalds input_report_abs(dev, ABS_X, x); 2561da177e4SLinus Torvalds input_report_abs(dev, ABS_Y, y); 2571da177e4SLinus Torvalds } 2581da177e4SLinus Torvalds 2591da177e4SLinus Torvalds input_report_abs(dev, ABS_PRESSURE, z); 2601da177e4SLinus Torvalds input_report_key(dev, BTN_TOOL_FINGER, z > 0); 2611da177e4SLinus Torvalds 26299df65e7SKevin Cernekee if (priv->flags & ALPS_WHEEL) 263e6c047b9SVojtech Pavlik input_report_rel(dev, REL_WHEEL, ((packet[2] << 1) & 0x08) - ((packet[0] >> 4) & 0x07)); 2641da177e4SLinus Torvalds 26599df65e7SKevin Cernekee if (priv->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) { 266c30b4c10SIvan Casado Ruiz input_report_key(dev, BTN_FORWARD, forward); 267c30b4c10SIvan Casado Ruiz input_report_key(dev, BTN_BACK, back); 2681da177e4SLinus Torvalds } 2691da177e4SLinus Torvalds 27099df65e7SKevin Cernekee if (priv->flags & ALPS_FOUR_BUTTONS) { 27171bb21b6SMaxim Levitsky input_report_key(dev, BTN_0, packet[2] & 4); 27271bb21b6SMaxim Levitsky input_report_key(dev, BTN_1, packet[0] & 0x10); 27371bb21b6SMaxim Levitsky input_report_key(dev, BTN_2, packet[3] & 4); 27471bb21b6SMaxim Levitsky input_report_key(dev, BTN_3, packet[0] & 0x20); 27571bb21b6SMaxim Levitsky } 27671bb21b6SMaxim Levitsky 2771da177e4SLinus Torvalds input_sync(dev); 2781da177e4SLinus Torvalds } 2791da177e4SLinus Torvalds 28001ce661fSSeth Forshee /* 281ee65d4b3SYunkang Tang * Process bitmap data for V5 protocols. Return value is null. 282ee65d4b3SYunkang Tang * 283ee65d4b3SYunkang Tang * The bitmaps don't have enough data to track fingers, so this function 284ee65d4b3SYunkang Tang * only generates points representing a bounding box of at most two contacts. 28502d04254SHans de Goede * These two points are returned in fields->mt. 286ee65d4b3SYunkang Tang */ 287ee65d4b3SYunkang Tang static void alps_process_bitmap_dolphin(struct alps_data *priv, 28802d04254SHans de Goede struct alps_fields *fields) 289ee65d4b3SYunkang Tang { 290ee65d4b3SYunkang Tang int box_middle_x, box_middle_y; 291ee65d4b3SYunkang Tang unsigned int x_map, y_map; 292ee65d4b3SYunkang Tang unsigned char start_bit, end_bit; 293ee65d4b3SYunkang Tang unsigned char x_msb, x_lsb, y_msb, y_lsb; 294ee65d4b3SYunkang Tang 295ee65d4b3SYunkang Tang x_map = fields->x_map; 296ee65d4b3SYunkang Tang y_map = fields->y_map; 297ee65d4b3SYunkang Tang 298ee65d4b3SYunkang Tang if (!x_map || !y_map) 299ee65d4b3SYunkang Tang return; 300ee65d4b3SYunkang Tang 301ee65d4b3SYunkang Tang /* Get Most-significant and Least-significant bit */ 302ee65d4b3SYunkang Tang x_msb = fls(x_map); 303ee65d4b3SYunkang Tang x_lsb = ffs(x_map); 304ee65d4b3SYunkang Tang y_msb = fls(y_map); 305ee65d4b3SYunkang Tang y_lsb = ffs(y_map); 306ee65d4b3SYunkang Tang 307ee65d4b3SYunkang Tang /* Most-significant bit should never exceed max sensor line number */ 308ee65d4b3SYunkang Tang if (x_msb > priv->x_bits || y_msb > priv->y_bits) 309ee65d4b3SYunkang Tang return; 310ee65d4b3SYunkang Tang 311ee65d4b3SYunkang Tang if (fields->fingers > 1) { 312ee65d4b3SYunkang Tang start_bit = priv->x_bits - x_msb; 313ee65d4b3SYunkang Tang end_bit = priv->x_bits - x_lsb; 314ee65d4b3SYunkang Tang box_middle_x = (priv->x_max * (start_bit + end_bit)) / 315ee65d4b3SYunkang Tang (2 * (priv->x_bits - 1)); 316ee65d4b3SYunkang Tang 317ee65d4b3SYunkang Tang start_bit = y_lsb - 1; 318ee65d4b3SYunkang Tang end_bit = y_msb - 1; 319ee65d4b3SYunkang Tang box_middle_y = (priv->y_max * (start_bit + end_bit)) / 320ee65d4b3SYunkang Tang (2 * (priv->y_bits - 1)); 32102d04254SHans de Goede fields->mt[0] = fields->st; 32202d04254SHans de Goede fields->mt[1].x = 2 * box_middle_x - fields->mt[0].x; 32302d04254SHans de Goede fields->mt[1].y = 2 * box_middle_y - fields->mt[0].y; 324ee65d4b3SYunkang Tang } 325ee65d4b3SYunkang Tang } 326ee65d4b3SYunkang Tang 327036e6c7bSHans de Goede static void alps_get_bitmap_points(unsigned int map, 328036e6c7bSHans de Goede struct alps_bitmap_point *low, 329036e6c7bSHans de Goede struct alps_bitmap_point *high, 330036e6c7bSHans de Goede int *fingers) 331036e6c7bSHans de Goede { 332036e6c7bSHans de Goede struct alps_bitmap_point *point; 333036e6c7bSHans de Goede int i, bit, prev_bit = 0; 334036e6c7bSHans de Goede 335036e6c7bSHans de Goede point = low; 336036e6c7bSHans de Goede for (i = 0; map != 0; i++, map >>= 1) { 337036e6c7bSHans de Goede bit = map & 1; 338036e6c7bSHans de Goede if (bit) { 339036e6c7bSHans de Goede if (!prev_bit) { 340036e6c7bSHans de Goede point->start_bit = i; 341105affbfSHans de Goede point->num_bits = 0; 342036e6c7bSHans de Goede (*fingers)++; 343036e6c7bSHans de Goede } 344036e6c7bSHans de Goede point->num_bits++; 345036e6c7bSHans de Goede } else { 346036e6c7bSHans de Goede if (prev_bit) 347036e6c7bSHans de Goede point = high; 348036e6c7bSHans de Goede } 349036e6c7bSHans de Goede prev_bit = bit; 350036e6c7bSHans de Goede } 351036e6c7bSHans de Goede } 352036e6c7bSHans de Goede 353ee65d4b3SYunkang Tang /* 35401ce661fSSeth Forshee * Process bitmap data from v3 and v4 protocols. Returns the number of 35501ce661fSSeth Forshee * fingers detected. A return value of 0 means at least one of the 35601ce661fSSeth Forshee * bitmaps was empty. 35701ce661fSSeth Forshee * 35801ce661fSSeth Forshee * The bitmaps don't have enough data to track fingers, so this function 35901ce661fSSeth Forshee * only generates points representing a bounding box of all contacts. 36002d04254SHans de Goede * These points are returned in fields->mt when the return value 36101ce661fSSeth Forshee * is greater than 0. 36201ce661fSSeth Forshee */ 3637a9f73e7SKevin Cernekee static int alps_process_bitmap(struct alps_data *priv, 36402d04254SHans de Goede struct alps_fields *fields) 36501ce661fSSeth Forshee { 366036e6c7bSHans de Goede int i, fingers_x = 0, fingers_y = 0, fingers; 36701ce661fSSeth Forshee struct alps_bitmap_point x_low = {0,}, x_high = {0,}; 36801ce661fSSeth Forshee struct alps_bitmap_point y_low = {0,}, y_high = {0,}; 36901ce661fSSeth Forshee 37002d04254SHans de Goede if (!fields->x_map || !fields->y_map) 37101ce661fSSeth Forshee return 0; 37201ce661fSSeth Forshee 37302d04254SHans de Goede alps_get_bitmap_points(fields->x_map, &x_low, &x_high, &fingers_x); 37402d04254SHans de Goede alps_get_bitmap_points(fields->y_map, &y_low, &y_high, &fingers_y); 37501ce661fSSeth Forshee 37601ce661fSSeth Forshee /* 37701ce661fSSeth Forshee * Fingers can overlap, so we use the maximum count of fingers 37801ce661fSSeth Forshee * on either axis as the finger count. 37901ce661fSSeth Forshee */ 38001ce661fSSeth Forshee fingers = max(fingers_x, fingers_y); 38101ce661fSSeth Forshee 38201ce661fSSeth Forshee /* 38320bea68bSHans de Goede * If an axis reports only a single contact, we have overlapping or 38420bea68bSHans de Goede * adjacent fingers. Divide the single contact between the two points. 38501ce661fSSeth Forshee */ 38601ce661fSSeth Forshee if (fingers_x == 1) { 38728835f45SHans de Goede i = (x_low.num_bits - 1) / 2; 38801ce661fSSeth Forshee x_low.num_bits = x_low.num_bits - i; 38901ce661fSSeth Forshee x_high.start_bit = x_low.start_bit + i; 39001ce661fSSeth Forshee x_high.num_bits = max(i, 1); 39120bea68bSHans de Goede } 39220bea68bSHans de Goede if (fingers_y == 1) { 39328835f45SHans de Goede i = (y_low.num_bits - 1) / 2; 39401ce661fSSeth Forshee y_low.num_bits = y_low.num_bits - i; 39501ce661fSSeth Forshee y_high.start_bit = y_low.start_bit + i; 39601ce661fSSeth Forshee y_high.num_bits = max(i, 1); 39701ce661fSSeth Forshee } 39801ce661fSSeth Forshee 39902d04254SHans de Goede fields->mt[0].x = 40002d04254SHans de Goede (priv->x_max * (2 * x_low.start_bit + x_low.num_bits - 1)) / 4017a9f73e7SKevin Cernekee (2 * (priv->x_bits - 1)); 40202d04254SHans de Goede fields->mt[0].y = 40302d04254SHans de Goede (priv->y_max * (2 * y_low.start_bit + y_low.num_bits - 1)) / 4047a9f73e7SKevin Cernekee (2 * (priv->y_bits - 1)); 40501ce661fSSeth Forshee 40602d04254SHans de Goede fields->mt[1].x = 40702d04254SHans de Goede (priv->x_max * (2 * x_high.start_bit + x_high.num_bits - 1)) / 4087a9f73e7SKevin Cernekee (2 * (priv->x_bits - 1)); 40902d04254SHans de Goede fields->mt[1].y = 41002d04254SHans de Goede (priv->y_max * (2 * y_high.start_bit + y_high.num_bits - 1)) / 4117a9f73e7SKevin Cernekee (2 * (priv->y_bits - 1)); 41201ce661fSSeth Forshee 41340e8f53bSHans de Goede /* y-bitmap order is reversed, except on rushmore */ 41440e8f53bSHans de Goede if (!(priv->flags & ALPS_IS_RUSHMORE)) { 41502d04254SHans de Goede fields->mt[0].y = priv->y_max - fields->mt[0].y; 41602d04254SHans de Goede fields->mt[1].y = priv->y_max - fields->mt[1].y; 41740e8f53bSHans de Goede } 41840e8f53bSHans de Goede 41901ce661fSSeth Forshee return fingers; 42001ce661fSSeth Forshee } 42101ce661fSSeth Forshee 422cdf333efSHans de Goede static void alps_set_slot(struct input_dev *dev, int slot, int x, int y) 42301ce661fSSeth Forshee { 42401ce661fSSeth Forshee input_mt_slot(dev, slot); 425cdf333efSHans de Goede input_mt_report_slot_state(dev, MT_TOOL_FINGER, true); 42601ce661fSSeth Forshee input_report_abs(dev, ABS_MT_POSITION_X, x); 42701ce661fSSeth Forshee input_report_abs(dev, ABS_MT_POSITION_Y, y); 42801ce661fSSeth Forshee } 42901ce661fSSeth Forshee 430cdf333efSHans de Goede static void alps_report_mt_data(struct psmouse *psmouse, int n) 43101ce661fSSeth Forshee { 43202d04254SHans de Goede struct alps_data *priv = psmouse->private; 43302d04254SHans de Goede struct input_dev *dev = psmouse->dev; 43402d04254SHans de Goede struct alps_fields *f = &priv->f; 435cdf333efSHans de Goede int i, slot[MAX_TOUCHES]; 43602d04254SHans de Goede 437cdf333efSHans de Goede input_mt_assign_slots(dev, slot, f->mt, n); 438cdf333efSHans de Goede for (i = 0; i < n; i++) 439cdf333efSHans de Goede alps_set_slot(dev, slot[i], f->mt[i].x, f->mt[i].y); 440cdf333efSHans de Goede 441cdf333efSHans de Goede input_mt_sync_frame(dev); 44201ce661fSSeth Forshee } 44301ce661fSSeth Forshee 44468c21870SHans de Goede static void alps_report_semi_mt_data(struct psmouse *psmouse, int fingers) 44568c21870SHans de Goede { 44668c21870SHans de Goede struct alps_data *priv = psmouse->private; 44768c21870SHans de Goede struct input_dev *dev = psmouse->dev; 44868c21870SHans de Goede struct alps_fields *f = &priv->f; 44968c21870SHans de Goede 45068c21870SHans de Goede /* Use st data when we don't have mt data */ 45168c21870SHans de Goede if (fingers < 2) { 45268c21870SHans de Goede f->mt[0].x = f->st.x; 45368c21870SHans de Goede f->mt[0].y = f->st.y; 45468c21870SHans de Goede fingers = f->pressure > 0 ? 1 : 0; 45568c21870SHans de Goede } 45668c21870SHans de Goede 45799d9996cSHans de Goede alps_report_mt_data(psmouse, (fingers <= 2) ? fingers : 2); 45868c21870SHans de Goede 45968c21870SHans de Goede input_mt_report_finger_count(dev, fingers); 46068c21870SHans de Goede 46168c21870SHans de Goede input_report_key(dev, BTN_LEFT, f->left); 46268c21870SHans de Goede input_report_key(dev, BTN_RIGHT, f->right); 46368c21870SHans de Goede input_report_key(dev, BTN_MIDDLE, f->middle); 46468c21870SHans de Goede 46568c21870SHans de Goede input_report_abs(dev, ABS_PRESSURE, f->pressure); 46668c21870SHans de Goede 46768c21870SHans de Goede input_sync(dev); 46868c21870SHans de Goede } 46968c21870SHans de Goede 47025bded7cSSeth Forshee static void alps_process_trackstick_packet_v3(struct psmouse *psmouse) 47125bded7cSSeth Forshee { 47225bded7cSSeth Forshee struct alps_data *priv = psmouse->private; 47325bded7cSSeth Forshee unsigned char *packet = psmouse->packet; 47425bded7cSSeth Forshee struct input_dev *dev = priv->dev2; 47525bded7cSSeth Forshee int x, y, z, left, right, middle; 47625bded7cSSeth Forshee 47725bded7cSSeth Forshee /* Sanity check packet */ 47825bded7cSSeth Forshee if (!(packet[0] & 0x40)) { 47925bded7cSSeth Forshee psmouse_dbg(psmouse, "Bad trackstick packet, discarding\n"); 48025bded7cSSeth Forshee return; 48125bded7cSSeth Forshee } 48225bded7cSSeth Forshee 48325bded7cSSeth Forshee /* 48425bded7cSSeth Forshee * There's a special packet that seems to indicate the end 48525bded7cSSeth Forshee * of a stream of trackstick data. Filter these out. 48625bded7cSSeth Forshee */ 48725bded7cSSeth Forshee if (packet[1] == 0x7f && packet[2] == 0x7f && packet[4] == 0x7f) 48825bded7cSSeth Forshee return; 48925bded7cSSeth Forshee 49025bded7cSSeth Forshee x = (s8)(((packet[0] & 0x20) << 2) | (packet[1] & 0x7f)); 49125bded7cSSeth Forshee y = (s8)(((packet[0] & 0x10) << 3) | (packet[2] & 0x7f)); 49225bded7cSSeth Forshee z = (packet[4] & 0x7c) >> 2; 49325bded7cSSeth Forshee 49425bded7cSSeth Forshee /* 49525bded7cSSeth Forshee * The x and y values tend to be quite large, and when used 49625bded7cSSeth Forshee * alone the trackstick is difficult to use. Scale them down 49725bded7cSSeth Forshee * to compensate. 49825bded7cSSeth Forshee */ 49925bded7cSSeth Forshee x /= 8; 50025bded7cSSeth Forshee y /= 8; 50125bded7cSSeth Forshee 50225bded7cSSeth Forshee input_report_rel(dev, REL_X, x); 50325bded7cSSeth Forshee input_report_rel(dev, REL_Y, -y); 50425bded7cSSeth Forshee 50525bded7cSSeth Forshee /* 50625bded7cSSeth Forshee * Most ALPS models report the trackstick buttons in the touchpad 50725bded7cSSeth Forshee * packets, but a few report them here. No reliable way has been 50825bded7cSSeth Forshee * found to differentiate between the models upfront, so we enable 50925bded7cSSeth Forshee * the quirk in response to seeing a button press in the trackstick 51025bded7cSSeth Forshee * packet. 51125bded7cSSeth Forshee */ 51225bded7cSSeth Forshee left = packet[3] & 0x01; 51325bded7cSSeth Forshee right = packet[3] & 0x02; 51425bded7cSSeth Forshee middle = packet[3] & 0x04; 51525bded7cSSeth Forshee 51625bded7cSSeth Forshee if (!(priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS) && 51725bded7cSSeth Forshee (left || right || middle)) 51825bded7cSSeth Forshee priv->quirks |= ALPS_QUIRK_TRACKSTICK_BUTTONS; 51925bded7cSSeth Forshee 52025bded7cSSeth Forshee if (priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS) { 52125bded7cSSeth Forshee input_report_key(dev, BTN_LEFT, left); 52225bded7cSSeth Forshee input_report_key(dev, BTN_RIGHT, right); 52325bded7cSSeth Forshee input_report_key(dev, BTN_MIDDLE, middle); 52425bded7cSSeth Forshee } 52525bded7cSSeth Forshee 52625bded7cSSeth Forshee input_sync(dev); 52725bded7cSSeth Forshee return; 52825bded7cSSeth Forshee } 52925bded7cSSeth Forshee 530f85e5001SKevin Cernekee static void alps_decode_buttons_v3(struct alps_fields *f, unsigned char *p) 531f85e5001SKevin Cernekee { 532f85e5001SKevin Cernekee f->left = !!(p[3] & 0x01); 533f85e5001SKevin Cernekee f->right = !!(p[3] & 0x02); 534f85e5001SKevin Cernekee f->middle = !!(p[3] & 0x04); 535f85e5001SKevin Cernekee 536f85e5001SKevin Cernekee f->ts_left = !!(p[3] & 0x10); 537f85e5001SKevin Cernekee f->ts_right = !!(p[3] & 0x20); 538f85e5001SKevin Cernekee f->ts_middle = !!(p[3] & 0x40); 539f85e5001SKevin Cernekee } 540f85e5001SKevin Cernekee 541ee65d4b3SYunkang Tang static void alps_decode_pinnacle(struct alps_fields *f, unsigned char *p, 542ee65d4b3SYunkang Tang struct psmouse *psmouse) 543f85e5001SKevin Cernekee { 544f85e5001SKevin Cernekee f->first_mp = !!(p[4] & 0x40); 545f85e5001SKevin Cernekee f->is_mp = !!(p[0] & 0x40); 546f85e5001SKevin Cernekee 547f85e5001SKevin Cernekee f->fingers = (p[5] & 0x3) + 1; 548f85e5001SKevin Cernekee f->x_map = ((p[4] & 0x7e) << 8) | 549f85e5001SKevin Cernekee ((p[1] & 0x7f) << 2) | 550f85e5001SKevin Cernekee ((p[0] & 0x30) >> 4); 551f85e5001SKevin Cernekee f->y_map = ((p[3] & 0x70) << 4) | 552f85e5001SKevin Cernekee ((p[2] & 0x7f) << 1) | 553f85e5001SKevin Cernekee (p[4] & 0x01); 554f85e5001SKevin Cernekee 55502d04254SHans de Goede f->st.x = ((p[1] & 0x7f) << 4) | ((p[4] & 0x30) >> 2) | 556f85e5001SKevin Cernekee ((p[0] & 0x30) >> 4); 55702d04254SHans de Goede f->st.y = ((p[2] & 0x7f) << 4) | (p[4] & 0x0f); 55802d04254SHans de Goede f->pressure = p[5] & 0x7f; 559f85e5001SKevin Cernekee 560f85e5001SKevin Cernekee alps_decode_buttons_v3(f, p); 561f85e5001SKevin Cernekee } 562f85e5001SKevin Cernekee 563ee65d4b3SYunkang Tang static void alps_decode_rushmore(struct alps_fields *f, unsigned char *p, 564ee65d4b3SYunkang Tang struct psmouse *psmouse) 5651302bac3SKevin Cernekee { 566ee65d4b3SYunkang Tang alps_decode_pinnacle(f, p, psmouse); 5671302bac3SKevin Cernekee 568f105e34aSYunkang Tang /* Rushmore's packet decode has a bit difference with Pinnacle's */ 569f105e34aSYunkang Tang f->is_mp = !!(p[5] & 0x40); 570f105e34aSYunkang Tang f->fingers = max((p[5] & 0x3), ((p[5] >> 2) & 0x3)) + 1; 5711302bac3SKevin Cernekee f->x_map |= (p[5] & 0x10) << 11; 5721302bac3SKevin Cernekee f->y_map |= (p[5] & 0x20) << 6; 5731302bac3SKevin Cernekee } 5741302bac3SKevin Cernekee 575ee65d4b3SYunkang Tang static void alps_decode_dolphin(struct alps_fields *f, unsigned char *p, 576ee65d4b3SYunkang Tang struct psmouse *psmouse) 57775af9e56SDave Turvene { 578ee65d4b3SYunkang Tang u64 palm_data = 0; 579ee65d4b3SYunkang Tang struct alps_data *priv = psmouse->private; 580ee65d4b3SYunkang Tang 58175af9e56SDave Turvene f->first_mp = !!(p[0] & 0x02); 58275af9e56SDave Turvene f->is_mp = !!(p[0] & 0x20); 58375af9e56SDave Turvene 584ee65d4b3SYunkang Tang if (!f->is_mp) { 58502d04254SHans de Goede f->st.x = ((p[1] & 0x7f) | ((p[4] & 0x0f) << 7)); 58602d04254SHans de Goede f->st.y = ((p[2] & 0x7f) | ((p[4] & 0xf0) << 3)); 58702d04254SHans de Goede f->pressure = (p[0] & 4) ? 0 : p[5] & 0x7f; 58875af9e56SDave Turvene alps_decode_buttons_v3(f, p); 589ee65d4b3SYunkang Tang } else { 590ee65d4b3SYunkang Tang f->fingers = ((p[0] & 0x6) >> 1 | 591ee65d4b3SYunkang Tang (p[0] & 0x10) >> 2); 592ee65d4b3SYunkang Tang 593ee65d4b3SYunkang Tang palm_data = (p[1] & 0x7f) | 594ee65d4b3SYunkang Tang ((p[2] & 0x7f) << 7) | 595ee65d4b3SYunkang Tang ((p[4] & 0x7f) << 14) | 596ee65d4b3SYunkang Tang ((p[5] & 0x7f) << 21) | 597ee65d4b3SYunkang Tang ((p[3] & 0x07) << 28) | 598ee65d4b3SYunkang Tang (((u64)p[3] & 0x70) << 27) | 599ee65d4b3SYunkang Tang (((u64)p[0] & 0x01) << 34); 600ee65d4b3SYunkang Tang 601ee65d4b3SYunkang Tang /* Y-profile is stored in P(0) to p(n-1), n = y_bits; */ 602ee65d4b3SYunkang Tang f->y_map = palm_data & (BIT(priv->y_bits) - 1); 603ee65d4b3SYunkang Tang 604ee65d4b3SYunkang Tang /* X-profile is stored in p(n) to p(n+m-1), m = x_bits; */ 605ee65d4b3SYunkang Tang f->x_map = (palm_data >> priv->y_bits) & 606ee65d4b3SYunkang Tang (BIT(priv->x_bits) - 1); 607ee65d4b3SYunkang Tang } 60875af9e56SDave Turvene } 60975af9e56SDave Turvene 610ee65d4b3SYunkang Tang static void alps_process_touchpad_packet_v3_v5(struct psmouse *psmouse) 61125bded7cSSeth Forshee { 61225bded7cSSeth Forshee struct alps_data *priv = psmouse->private; 61325bded7cSSeth Forshee unsigned char *packet = psmouse->packet; 61425bded7cSSeth Forshee struct input_dev *dev2 = priv->dev2; 61502d04254SHans de Goede struct alps_fields *f = &priv->f; 61602d04254SHans de Goede int fingers = 0; 617f85e5001SKevin Cernekee 61802d04254SHans de Goede memset(f, 0, sizeof(*f)); 61902d04254SHans de Goede 62002d04254SHans de Goede priv->decode_fields(f, packet, psmouse); 62125bded7cSSeth Forshee 62225bded7cSSeth Forshee /* 62301ce661fSSeth Forshee * There's no single feature of touchpad position and bitmap packets 62401ce661fSSeth Forshee * that can be used to distinguish between them. We rely on the fact 62501ce661fSSeth Forshee * that a bitmap packet should always follow a position packet with 62601ce661fSSeth Forshee * bit 6 of packet[4] set. 62725bded7cSSeth Forshee */ 62825bded7cSSeth Forshee if (priv->multi_packet) { 62925bded7cSSeth Forshee /* 63025bded7cSSeth Forshee * Sometimes a position packet will indicate a multi-packet 63125bded7cSSeth Forshee * sequence, but then what follows is another position 63225bded7cSSeth Forshee * packet. Check for this, and when it happens process the 63325bded7cSSeth Forshee * position packet as usual. 63425bded7cSSeth Forshee */ 63502d04254SHans de Goede if (f->is_mp) { 63602d04254SHans de Goede fingers = f->fingers; 637ee65d4b3SYunkang Tang if (priv->proto_version == ALPS_PROTO_V3) { 63802d04254SHans de Goede if (alps_process_bitmap(priv, f) == 0) 63920bea68bSHans de Goede fingers = 0; /* Use st data */ 64001ce661fSSeth Forshee 64101ce661fSSeth Forshee /* Now process position packet */ 64202d04254SHans de Goede priv->decode_fields(f, priv->multi_data, 643ee65d4b3SYunkang Tang psmouse); 644ee65d4b3SYunkang Tang } else { 645ee65d4b3SYunkang Tang /* 646ee65d4b3SYunkang Tang * Because Dolphin uses position packet's 647ee65d4b3SYunkang Tang * coordinate data as Pt1 and uses it to 648ee65d4b3SYunkang Tang * calculate Pt2, so we need to do position 649ee65d4b3SYunkang Tang * packet decode first. 650ee65d4b3SYunkang Tang */ 65102d04254SHans de Goede priv->decode_fields(f, priv->multi_data, 652ee65d4b3SYunkang Tang psmouse); 653ee65d4b3SYunkang Tang 654ee65d4b3SYunkang Tang /* 655ee65d4b3SYunkang Tang * Since Dolphin's finger number is reliable, 656ee65d4b3SYunkang Tang * there is no need to compare with bmap_fn. 657ee65d4b3SYunkang Tang */ 65802d04254SHans de Goede alps_process_bitmap_dolphin(priv, f); 659ee65d4b3SYunkang Tang } 66001ce661fSSeth Forshee } else { 66101ce661fSSeth Forshee priv->multi_packet = 0; 66225bded7cSSeth Forshee } 66325bded7cSSeth Forshee } 66425bded7cSSeth Forshee 66501ce661fSSeth Forshee /* 66601ce661fSSeth Forshee * Bit 6 of byte 0 is not usually set in position packets. The only 66701ce661fSSeth Forshee * times it seems to be set is in situations where the data is 66801ce661fSSeth Forshee * suspect anyway, e.g. a palm resting flat on the touchpad. Given 66901ce661fSSeth Forshee * this combined with the fact that this bit is useful for filtering 67001ce661fSSeth Forshee * out misidentified bitmap packets, we reject anything with this 67101ce661fSSeth Forshee * bit set. 67201ce661fSSeth Forshee */ 67302d04254SHans de Goede if (f->is_mp) 67401ce661fSSeth Forshee return; 67501ce661fSSeth Forshee 67602d04254SHans de Goede if (!priv->multi_packet && f->first_mp) { 67725bded7cSSeth Forshee priv->multi_packet = 1; 67801ce661fSSeth Forshee memcpy(priv->multi_data, packet, sizeof(priv->multi_data)); 67901ce661fSSeth Forshee return; 68001ce661fSSeth Forshee } 68101ce661fSSeth Forshee 68225bded7cSSeth Forshee priv->multi_packet = 0; 68325bded7cSSeth Forshee 68425bded7cSSeth Forshee /* 68525bded7cSSeth Forshee * Sometimes the hardware sends a single packet with z = 0 68625bded7cSSeth Forshee * in the middle of a stream. Real releases generate packets 68725bded7cSSeth Forshee * with x, y, and z all zero, so these seem to be flukes. 68825bded7cSSeth Forshee * Ignore them. 68925bded7cSSeth Forshee */ 69002d04254SHans de Goede if (f->st.x && f->st.y && !f->pressure) 69125bded7cSSeth Forshee return; 69225bded7cSSeth Forshee 69368c21870SHans de Goede alps_report_semi_mt_data(psmouse, fingers); 69425bded7cSSeth Forshee 69525bded7cSSeth Forshee if (!(priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS)) { 69602d04254SHans de Goede input_report_key(dev2, BTN_LEFT, f->ts_left); 69702d04254SHans de Goede input_report_key(dev2, BTN_RIGHT, f->ts_right); 69802d04254SHans de Goede input_report_key(dev2, BTN_MIDDLE, f->ts_middle); 69925bded7cSSeth Forshee input_sync(dev2); 70025bded7cSSeth Forshee } 70125bded7cSSeth Forshee } 70225bded7cSSeth Forshee 70325bded7cSSeth Forshee static void alps_process_packet_v3(struct psmouse *psmouse) 70425bded7cSSeth Forshee { 70525bded7cSSeth Forshee unsigned char *packet = psmouse->packet; 70625bded7cSSeth Forshee 70725bded7cSSeth Forshee /* 70825bded7cSSeth Forshee * v3 protocol packets come in three types, two representing 70925bded7cSSeth Forshee * touchpad data and one representing trackstick data. 71025bded7cSSeth Forshee * Trackstick packets seem to be distinguished by always 71125bded7cSSeth Forshee * having 0x3f in the last byte. This value has never been 71225bded7cSSeth Forshee * observed in the last byte of either of the other types 71325bded7cSSeth Forshee * of packets. 71425bded7cSSeth Forshee */ 71525bded7cSSeth Forshee if (packet[5] == 0x3f) { 71625bded7cSSeth Forshee alps_process_trackstick_packet_v3(psmouse); 71725bded7cSSeth Forshee return; 71825bded7cSSeth Forshee } 71925bded7cSSeth Forshee 720ee65d4b3SYunkang Tang alps_process_touchpad_packet_v3_v5(psmouse); 72125bded7cSSeth Forshee } 72225bded7cSSeth Forshee 72395f75e91SYunkang Tang static void alps_process_packet_v6(struct psmouse *psmouse) 72495f75e91SYunkang Tang { 72595f75e91SYunkang Tang struct alps_data *priv = psmouse->private; 72695f75e91SYunkang Tang unsigned char *packet = psmouse->packet; 72795f75e91SYunkang Tang struct input_dev *dev = psmouse->dev; 72895f75e91SYunkang Tang struct input_dev *dev2 = priv->dev2; 72995f75e91SYunkang Tang int x, y, z, left, right, middle; 73095f75e91SYunkang Tang 73195f75e91SYunkang Tang /* 73295f75e91SYunkang Tang * We can use Byte5 to distinguish if the packet is from Touchpad 73395f75e91SYunkang Tang * or Trackpoint. 73495f75e91SYunkang Tang * Touchpad: 0 - 0x7E 73595f75e91SYunkang Tang * Trackpoint: 0x7F 73695f75e91SYunkang Tang */ 73795f75e91SYunkang Tang if (packet[5] == 0x7F) { 73895f75e91SYunkang Tang /* It should be a DualPoint when received Trackpoint packet */ 73995f75e91SYunkang Tang if (!(priv->flags & ALPS_DUALPOINT)) 74095f75e91SYunkang Tang return; 74195f75e91SYunkang Tang 74295f75e91SYunkang Tang /* Trackpoint packet */ 74395f75e91SYunkang Tang x = packet[1] | ((packet[3] & 0x20) << 2); 74495f75e91SYunkang Tang y = packet[2] | ((packet[3] & 0x40) << 1); 74595f75e91SYunkang Tang z = packet[4]; 74695f75e91SYunkang Tang left = packet[3] & 0x01; 74795f75e91SYunkang Tang right = packet[3] & 0x02; 74895f75e91SYunkang Tang middle = packet[3] & 0x04; 74995f75e91SYunkang Tang 75095f75e91SYunkang Tang /* To prevent the cursor jump when finger lifted */ 75195f75e91SYunkang Tang if (x == 0x7F && y == 0x7F && z == 0x7F) 75295f75e91SYunkang Tang x = y = z = 0; 75395f75e91SYunkang Tang 75495f75e91SYunkang Tang /* Divide 4 since trackpoint's speed is too fast */ 75595f75e91SYunkang Tang input_report_rel(dev2, REL_X, (char)x / 4); 75695f75e91SYunkang Tang input_report_rel(dev2, REL_Y, -((char)y / 4)); 75795f75e91SYunkang Tang 75895f75e91SYunkang Tang input_report_key(dev2, BTN_LEFT, left); 75995f75e91SYunkang Tang input_report_key(dev2, BTN_RIGHT, right); 76095f75e91SYunkang Tang input_report_key(dev2, BTN_MIDDLE, middle); 76195f75e91SYunkang Tang 76295f75e91SYunkang Tang input_sync(dev2); 76395f75e91SYunkang Tang return; 76495f75e91SYunkang Tang } 76595f75e91SYunkang Tang 76695f75e91SYunkang Tang /* Touchpad packet */ 76795f75e91SYunkang Tang x = packet[1] | ((packet[3] & 0x78) << 4); 76895f75e91SYunkang Tang y = packet[2] | ((packet[4] & 0x78) << 4); 76995f75e91SYunkang Tang z = packet[5]; 77095f75e91SYunkang Tang left = packet[3] & 0x01; 77195f75e91SYunkang Tang right = packet[3] & 0x02; 77295f75e91SYunkang Tang 77395f75e91SYunkang Tang if (z > 30) 77495f75e91SYunkang Tang input_report_key(dev, BTN_TOUCH, 1); 77595f75e91SYunkang Tang if (z < 25) 77695f75e91SYunkang Tang input_report_key(dev, BTN_TOUCH, 0); 77795f75e91SYunkang Tang 77895f75e91SYunkang Tang if (z > 0) { 77995f75e91SYunkang Tang input_report_abs(dev, ABS_X, x); 78095f75e91SYunkang Tang input_report_abs(dev, ABS_Y, y); 78195f75e91SYunkang Tang } 78295f75e91SYunkang Tang 78395f75e91SYunkang Tang input_report_abs(dev, ABS_PRESSURE, z); 78495f75e91SYunkang Tang input_report_key(dev, BTN_TOOL_FINGER, z > 0); 78595f75e91SYunkang Tang 78695f75e91SYunkang Tang /* v6 touchpad does not have middle button */ 78795f75e91SYunkang Tang input_report_key(dev, BTN_LEFT, left); 78895f75e91SYunkang Tang input_report_key(dev, BTN_RIGHT, right); 78995f75e91SYunkang Tang 79095f75e91SYunkang Tang input_sync(dev); 79195f75e91SYunkang Tang } 79295f75e91SYunkang Tang 79325bded7cSSeth Forshee static void alps_process_packet_v4(struct psmouse *psmouse) 79425bded7cSSeth Forshee { 7953b7e09faSGeorge Pantalos struct alps_data *priv = psmouse->private; 79625bded7cSSeth Forshee unsigned char *packet = psmouse->packet; 79702d04254SHans de Goede struct alps_fields *f = &priv->f; 79868c21870SHans de Goede int offset; 7993b7e09faSGeorge Pantalos 8003b7e09faSGeorge Pantalos /* 8013b7e09faSGeorge Pantalos * v4 has a 6-byte encoding for bitmap data, but this data is 8023b7e09faSGeorge Pantalos * broken up between 3 normal packets. Use priv->multi_packet to 8033b7e09faSGeorge Pantalos * track our position in the bitmap packet. 8043b7e09faSGeorge Pantalos */ 8053b7e09faSGeorge Pantalos if (packet[6] & 0x40) { 8063b7e09faSGeorge Pantalos /* sync, reset position */ 8073b7e09faSGeorge Pantalos priv->multi_packet = 0; 8083b7e09faSGeorge Pantalos } 8093b7e09faSGeorge Pantalos 8103b7e09faSGeorge Pantalos if (WARN_ON_ONCE(priv->multi_packet > 2)) 8113b7e09faSGeorge Pantalos return; 8123b7e09faSGeorge Pantalos 8133b7e09faSGeorge Pantalos offset = 2 * priv->multi_packet; 8143b7e09faSGeorge Pantalos priv->multi_data[offset] = packet[6]; 8153b7e09faSGeorge Pantalos priv->multi_data[offset + 1] = packet[7]; 8163b7e09faSGeorge Pantalos 8173b7e09faSGeorge Pantalos if (++priv->multi_packet > 2) { 8183b7e09faSGeorge Pantalos priv->multi_packet = 0; 8193b7e09faSGeorge Pantalos 82002d04254SHans de Goede f->x_map = ((priv->multi_data[2] & 0x1f) << 10) | 8213b7e09faSGeorge Pantalos ((priv->multi_data[3] & 0x60) << 3) | 8223b7e09faSGeorge Pantalos ((priv->multi_data[0] & 0x3f) << 2) | 8233b7e09faSGeorge Pantalos ((priv->multi_data[1] & 0x60) >> 5); 82402d04254SHans de Goede f->y_map = ((priv->multi_data[5] & 0x01) << 10) | 8253b7e09faSGeorge Pantalos ((priv->multi_data[3] & 0x1f) << 5) | 8263b7e09faSGeorge Pantalos (priv->multi_data[1] & 0x1f); 8273b7e09faSGeorge Pantalos 82802d04254SHans de Goede f->fingers = alps_process_bitmap(priv, f); 8293b7e09faSGeorge Pantalos } 83025bded7cSSeth Forshee 83102d04254SHans de Goede f->left = packet[4] & 0x01; 83202d04254SHans de Goede f->right = packet[4] & 0x02; 83325bded7cSSeth Forshee 83402d04254SHans de Goede f->st.x = ((packet[1] & 0x7f) << 4) | ((packet[3] & 0x30) >> 2) | 83525bded7cSSeth Forshee ((packet[0] & 0x30) >> 4); 83602d04254SHans de Goede f->st.y = ((packet[2] & 0x7f) << 4) | (packet[3] & 0x0f); 83702d04254SHans de Goede f->pressure = packet[5] & 0x7f; 83825bded7cSSeth Forshee 83968c21870SHans de Goede alps_report_semi_mt_data(psmouse, f->fingers); 84025bded7cSSeth Forshee } 84125bded7cSSeth Forshee 8421d9f2626SSebastian Kapfer static void alps_report_bare_ps2_packet(struct psmouse *psmouse, 8431d9f2626SSebastian Kapfer unsigned char packet[], 8441d9f2626SSebastian Kapfer bool report_buttons) 8451d9f2626SSebastian Kapfer { 8461d9f2626SSebastian Kapfer struct alps_data *priv = psmouse->private; 8471d9f2626SSebastian Kapfer struct input_dev *dev2 = priv->dev2; 8481d9f2626SSebastian Kapfer 8491d9f2626SSebastian Kapfer if (report_buttons) 8501d9f2626SSebastian Kapfer alps_report_buttons(psmouse, dev2, psmouse->dev, 8511d9f2626SSebastian Kapfer packet[0] & 1, packet[0] & 2, packet[0] & 4); 8521d9f2626SSebastian Kapfer 8531d9f2626SSebastian Kapfer input_report_rel(dev2, REL_X, 8541d9f2626SSebastian Kapfer packet[1] ? packet[1] - ((packet[0] << 4) & 0x100) : 0); 8551d9f2626SSebastian Kapfer input_report_rel(dev2, REL_Y, 8561d9f2626SSebastian Kapfer packet[2] ? ((packet[0] << 3) & 0x100) - packet[2] : 0); 8571d9f2626SSebastian Kapfer 8581d9f2626SSebastian Kapfer input_sync(dev2); 8591d9f2626SSebastian Kapfer } 8601d9f2626SSebastian Kapfer 8611d9f2626SSebastian Kapfer static psmouse_ret_t alps_handle_interleaved_ps2(struct psmouse *psmouse) 8621da177e4SLinus Torvalds { 8631da177e4SLinus Torvalds struct alps_data *priv = psmouse->private; 8641da177e4SLinus Torvalds 8651d9f2626SSebastian Kapfer if (psmouse->pktcnt < 6) 8661d9f2626SSebastian Kapfer return PSMOUSE_GOOD_DATA; 8671d9f2626SSebastian Kapfer 8681d9f2626SSebastian Kapfer if (psmouse->pktcnt == 6) { 8691d9f2626SSebastian Kapfer /* 8701d9f2626SSebastian Kapfer * Start a timer to flush the packet if it ends up last 8711d9f2626SSebastian Kapfer * 6-byte packet in the stream. Timer needs to fire 8721d9f2626SSebastian Kapfer * psmouse core times out itself. 20 ms should be enough 8731d9f2626SSebastian Kapfer * to decide if we are getting more data or not. 8741d9f2626SSebastian Kapfer */ 8751d9f2626SSebastian Kapfer mod_timer(&priv->timer, jiffies + msecs_to_jiffies(20)); 8761d9f2626SSebastian Kapfer return PSMOUSE_GOOD_DATA; 8771d9f2626SSebastian Kapfer } 8781d9f2626SSebastian Kapfer 8791d9f2626SSebastian Kapfer del_timer(&priv->timer); 8801d9f2626SSebastian Kapfer 8811d9f2626SSebastian Kapfer if (psmouse->packet[6] & 0x80) { 8821d9f2626SSebastian Kapfer 8831d9f2626SSebastian Kapfer /* 8841d9f2626SSebastian Kapfer * Highest bit is set - that means we either had 8851d9f2626SSebastian Kapfer * complete ALPS packet and this is start of the 8861d9f2626SSebastian Kapfer * next packet or we got garbage. 8871d9f2626SSebastian Kapfer */ 8881d9f2626SSebastian Kapfer 8891d9f2626SSebastian Kapfer if (((psmouse->packet[3] | 8901d9f2626SSebastian Kapfer psmouse->packet[4] | 8911d9f2626SSebastian Kapfer psmouse->packet[5]) & 0x80) || 89299df65e7SKevin Cernekee (!alps_is_valid_first_byte(priv, psmouse->packet[6]))) { 893b5d21704SDmitry Torokhov psmouse_dbg(psmouse, 8943b112923SAndy Shevchenko "refusing packet %4ph (suspected interleaved ps/2)\n", 8953b112923SAndy Shevchenko psmouse->packet + 3); 8961d9f2626SSebastian Kapfer return PSMOUSE_BAD_DATA; 8971d9f2626SSebastian Kapfer } 8981d9f2626SSebastian Kapfer 89924af5cb9SKevin Cernekee priv->process_packet(psmouse); 9001d9f2626SSebastian Kapfer 9011d9f2626SSebastian Kapfer /* Continue with the next packet */ 9021d9f2626SSebastian Kapfer psmouse->packet[0] = psmouse->packet[6]; 9031d9f2626SSebastian Kapfer psmouse->pktcnt = 1; 9041d9f2626SSebastian Kapfer 9051d9f2626SSebastian Kapfer } else { 9061d9f2626SSebastian Kapfer 9071d9f2626SSebastian Kapfer /* 9081d9f2626SSebastian Kapfer * High bit is 0 - that means that we indeed got a PS/2 9091d9f2626SSebastian Kapfer * packet in the middle of ALPS packet. 9101d9f2626SSebastian Kapfer * 9111d9f2626SSebastian Kapfer * There is also possibility that we got 6-byte ALPS 9121d9f2626SSebastian Kapfer * packet followed by 3-byte packet from trackpoint. We 9131d9f2626SSebastian Kapfer * can not distinguish between these 2 scenarios but 914b5d21704SDmitry Torokhov * because the latter is unlikely to happen in course of 9151d9f2626SSebastian Kapfer * normal operation (user would need to press all 9161d9f2626SSebastian Kapfer * buttons on the pad and start moving trackpoint 9171d9f2626SSebastian Kapfer * without touching the pad surface) we assume former. 9181d9f2626SSebastian Kapfer * Even if we are wrong the wost thing that would happen 9191d9f2626SSebastian Kapfer * the cursor would jump but we should not get protocol 920b5d21704SDmitry Torokhov * de-synchronization. 9211d9f2626SSebastian Kapfer */ 9221d9f2626SSebastian Kapfer 9231d9f2626SSebastian Kapfer alps_report_bare_ps2_packet(psmouse, &psmouse->packet[3], 9241d9f2626SSebastian Kapfer false); 9251d9f2626SSebastian Kapfer 9261d9f2626SSebastian Kapfer /* 9271d9f2626SSebastian Kapfer * Continue with the standard ALPS protocol handling, 9281d9f2626SSebastian Kapfer * but make sure we won't process it as an interleaved 9291d9f2626SSebastian Kapfer * packet again, which may happen if all buttons are 9301d9f2626SSebastian Kapfer * pressed. To avoid this let's reset the 4th bit which 9311d9f2626SSebastian Kapfer * is normally 1. 9321d9f2626SSebastian Kapfer */ 9331d9f2626SSebastian Kapfer psmouse->packet[3] = psmouse->packet[6] & 0xf7; 9341d9f2626SSebastian Kapfer psmouse->pktcnt = 4; 9351d9f2626SSebastian Kapfer } 9361d9f2626SSebastian Kapfer 9371d9f2626SSebastian Kapfer return PSMOUSE_GOOD_DATA; 9381d9f2626SSebastian Kapfer } 9391d9f2626SSebastian Kapfer 9401d9f2626SSebastian Kapfer static void alps_flush_packet(unsigned long data) 9411d9f2626SSebastian Kapfer { 9421d9f2626SSebastian Kapfer struct psmouse *psmouse = (struct psmouse *)data; 94324af5cb9SKevin Cernekee struct alps_data *priv = psmouse->private; 9441d9f2626SSebastian Kapfer 9451d9f2626SSebastian Kapfer serio_pause_rx(psmouse->ps2dev.serio); 9461d9f2626SSebastian Kapfer 947b46615feSSeth Forshee if (psmouse->pktcnt == psmouse->pktsize) { 9481d9f2626SSebastian Kapfer 9491d9f2626SSebastian Kapfer /* 9501d9f2626SSebastian Kapfer * We did not any more data in reasonable amount of time. 9511d9f2626SSebastian Kapfer * Validate the last 3 bytes and process as a standard 9521d9f2626SSebastian Kapfer * ALPS packet. 9531d9f2626SSebastian Kapfer */ 9541d9f2626SSebastian Kapfer if ((psmouse->packet[3] | 9551d9f2626SSebastian Kapfer psmouse->packet[4] | 9561d9f2626SSebastian Kapfer psmouse->packet[5]) & 0x80) { 957b5d21704SDmitry Torokhov psmouse_dbg(psmouse, 9583b112923SAndy Shevchenko "refusing packet %3ph (suspected interleaved ps/2)\n", 9593b112923SAndy Shevchenko psmouse->packet + 3); 9601d9f2626SSebastian Kapfer } else { 96124af5cb9SKevin Cernekee priv->process_packet(psmouse); 9621d9f2626SSebastian Kapfer } 9631d9f2626SSebastian Kapfer psmouse->pktcnt = 0; 9641d9f2626SSebastian Kapfer } 9651d9f2626SSebastian Kapfer 9661d9f2626SSebastian Kapfer serio_continue_rx(psmouse->ps2dev.serio); 9671d9f2626SSebastian Kapfer } 9681d9f2626SSebastian Kapfer 9691d9f2626SSebastian Kapfer static psmouse_ret_t alps_process_byte(struct psmouse *psmouse) 9701d9f2626SSebastian Kapfer { 9711d9f2626SSebastian Kapfer struct alps_data *priv = psmouse->private; 9721d9f2626SSebastian Kapfer 9731da177e4SLinus Torvalds if ((psmouse->packet[0] & 0xc8) == 0x08) { /* PS/2 packet */ 9741da177e4SLinus Torvalds if (psmouse->pktcnt == 3) { 9751d9f2626SSebastian Kapfer alps_report_bare_ps2_packet(psmouse, psmouse->packet, 9761d9f2626SSebastian Kapfer true); 9771da177e4SLinus Torvalds return PSMOUSE_FULL_PACKET; 9781da177e4SLinus Torvalds } 9791da177e4SLinus Torvalds return PSMOUSE_GOOD_DATA; 9801da177e4SLinus Torvalds } 9811da177e4SLinus Torvalds 9821d9f2626SSebastian Kapfer /* Check for PS/2 packet stuffed in the middle of ALPS packet. */ 9831d9f2626SSebastian Kapfer 98499df65e7SKevin Cernekee if ((priv->flags & ALPS_PS2_INTERLEAVED) && 9851d9f2626SSebastian Kapfer psmouse->pktcnt >= 4 && (psmouse->packet[3] & 0x0f) == 0x0f) { 9861d9f2626SSebastian Kapfer return alps_handle_interleaved_ps2(psmouse); 9871d9f2626SSebastian Kapfer } 9881d9f2626SSebastian Kapfer 98999df65e7SKevin Cernekee if (!alps_is_valid_first_byte(priv, psmouse->packet[0])) { 990b5d21704SDmitry Torokhov psmouse_dbg(psmouse, 991b5d21704SDmitry Torokhov "refusing packet[0] = %x (mask0 = %x, byte0 = %x)\n", 99299df65e7SKevin Cernekee psmouse->packet[0], priv->mask0, priv->byte0); 9931da177e4SLinus Torvalds return PSMOUSE_BAD_DATA; 9941d9f2626SSebastian Kapfer } 9951da177e4SLinus Torvalds 996b46615feSSeth Forshee /* Bytes 2 - pktsize should have 0 in the highest bit */ 99795f75e91SYunkang Tang if ((priv->proto_version < ALPS_PROTO_V5) && 99875af9e56SDave Turvene psmouse->pktcnt >= 2 && psmouse->pktcnt <= psmouse->pktsize && 9991d9f2626SSebastian Kapfer (psmouse->packet[psmouse->pktcnt - 1] & 0x80)) { 1000b5d21704SDmitry Torokhov psmouse_dbg(psmouse, "refusing packet[%i] = %x\n", 1001b5d21704SDmitry Torokhov psmouse->pktcnt - 1, 1002b5d21704SDmitry Torokhov psmouse->packet[psmouse->pktcnt - 1]); 10031da177e4SLinus Torvalds return PSMOUSE_BAD_DATA; 10041d9f2626SSebastian Kapfer } 10051da177e4SLinus Torvalds 1006b46615feSSeth Forshee if (psmouse->pktcnt == psmouse->pktsize) { 100724af5cb9SKevin Cernekee priv->process_packet(psmouse); 10081da177e4SLinus Torvalds return PSMOUSE_FULL_PACKET; 10091da177e4SLinus Torvalds } 10101da177e4SLinus Torvalds 10111da177e4SLinus Torvalds return PSMOUSE_GOOD_DATA; 10121da177e4SLinus Torvalds } 10131da177e4SLinus Torvalds 101425bded7cSSeth Forshee static int alps_command_mode_send_nibble(struct psmouse *psmouse, int nibble) 101525bded7cSSeth Forshee { 101625bded7cSSeth Forshee struct ps2dev *ps2dev = &psmouse->ps2dev; 101725bded7cSSeth Forshee struct alps_data *priv = psmouse->private; 101825bded7cSSeth Forshee int command; 101925bded7cSSeth Forshee unsigned char *param; 102025bded7cSSeth Forshee unsigned char dummy[4]; 102125bded7cSSeth Forshee 102225bded7cSSeth Forshee BUG_ON(nibble > 0xf); 102325bded7cSSeth Forshee 102425bded7cSSeth Forshee command = priv->nibble_commands[nibble].command; 102525bded7cSSeth Forshee param = (command & 0x0f00) ? 102625bded7cSSeth Forshee dummy : (unsigned char *)&priv->nibble_commands[nibble].data; 102725bded7cSSeth Forshee 102825bded7cSSeth Forshee if (ps2_command(ps2dev, param, command)) 102925bded7cSSeth Forshee return -1; 103025bded7cSSeth Forshee 103125bded7cSSeth Forshee return 0; 103225bded7cSSeth Forshee } 103325bded7cSSeth Forshee 103425bded7cSSeth Forshee static int alps_command_mode_set_addr(struct psmouse *psmouse, int addr) 103525bded7cSSeth Forshee { 103625bded7cSSeth Forshee struct ps2dev *ps2dev = &psmouse->ps2dev; 103725bded7cSSeth Forshee struct alps_data *priv = psmouse->private; 103825bded7cSSeth Forshee int i, nibble; 103925bded7cSSeth Forshee 104025bded7cSSeth Forshee if (ps2_command(ps2dev, NULL, priv->addr_command)) 104125bded7cSSeth Forshee return -1; 104225bded7cSSeth Forshee 104325bded7cSSeth Forshee for (i = 12; i >= 0; i -= 4) { 104425bded7cSSeth Forshee nibble = (addr >> i) & 0xf; 104525bded7cSSeth Forshee if (alps_command_mode_send_nibble(psmouse, nibble)) 104625bded7cSSeth Forshee return -1; 104725bded7cSSeth Forshee } 104825bded7cSSeth Forshee 104925bded7cSSeth Forshee return 0; 105025bded7cSSeth Forshee } 105125bded7cSSeth Forshee 105225bded7cSSeth Forshee static int __alps_command_mode_read_reg(struct psmouse *psmouse, int addr) 105325bded7cSSeth Forshee { 105425bded7cSSeth Forshee struct ps2dev *ps2dev = &psmouse->ps2dev; 105525bded7cSSeth Forshee unsigned char param[4]; 105625bded7cSSeth Forshee 105725bded7cSSeth Forshee if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) 105825bded7cSSeth Forshee return -1; 105925bded7cSSeth Forshee 106025bded7cSSeth Forshee /* 106125bded7cSSeth Forshee * The address being read is returned in the first two bytes 106225bded7cSSeth Forshee * of the result. Check that this address matches the expected 106325bded7cSSeth Forshee * address. 106425bded7cSSeth Forshee */ 106525bded7cSSeth Forshee if (addr != ((param[0] << 8) | param[1])) 106625bded7cSSeth Forshee return -1; 106725bded7cSSeth Forshee 106825bded7cSSeth Forshee return param[2]; 106925bded7cSSeth Forshee } 107025bded7cSSeth Forshee 107125bded7cSSeth Forshee static int alps_command_mode_read_reg(struct psmouse *psmouse, int addr) 107225bded7cSSeth Forshee { 107325bded7cSSeth Forshee if (alps_command_mode_set_addr(psmouse, addr)) 107425bded7cSSeth Forshee return -1; 107525bded7cSSeth Forshee return __alps_command_mode_read_reg(psmouse, addr); 107625bded7cSSeth Forshee } 107725bded7cSSeth Forshee 107825bded7cSSeth Forshee static int __alps_command_mode_write_reg(struct psmouse *psmouse, u8 value) 107925bded7cSSeth Forshee { 108025bded7cSSeth Forshee if (alps_command_mode_send_nibble(psmouse, (value >> 4) & 0xf)) 108125bded7cSSeth Forshee return -1; 108225bded7cSSeth Forshee if (alps_command_mode_send_nibble(psmouse, value & 0xf)) 108325bded7cSSeth Forshee return -1; 108425bded7cSSeth Forshee return 0; 108525bded7cSSeth Forshee } 108625bded7cSSeth Forshee 108725bded7cSSeth Forshee static int alps_command_mode_write_reg(struct psmouse *psmouse, int addr, 108825bded7cSSeth Forshee u8 value) 108925bded7cSSeth Forshee { 109025bded7cSSeth Forshee if (alps_command_mode_set_addr(psmouse, addr)) 109125bded7cSSeth Forshee return -1; 109225bded7cSSeth Forshee return __alps_command_mode_write_reg(psmouse, value); 109325bded7cSSeth Forshee } 109425bded7cSSeth Forshee 109524ba9707SKevin Cernekee static int alps_rpt_cmd(struct psmouse *psmouse, int init_command, 109624ba9707SKevin Cernekee int repeated_command, unsigned char *param) 109724ba9707SKevin Cernekee { 109824ba9707SKevin Cernekee struct ps2dev *ps2dev = &psmouse->ps2dev; 109924ba9707SKevin Cernekee 110024ba9707SKevin Cernekee param[0] = 0; 110124ba9707SKevin Cernekee if (init_command && ps2_command(ps2dev, param, init_command)) 110224ba9707SKevin Cernekee return -EIO; 110324ba9707SKevin Cernekee 110424ba9707SKevin Cernekee if (ps2_command(ps2dev, NULL, repeated_command) || 110524ba9707SKevin Cernekee ps2_command(ps2dev, NULL, repeated_command) || 110624ba9707SKevin Cernekee ps2_command(ps2dev, NULL, repeated_command)) 110724ba9707SKevin Cernekee return -EIO; 110824ba9707SKevin Cernekee 110924ba9707SKevin Cernekee param[0] = param[1] = param[2] = 0xff; 111024ba9707SKevin Cernekee if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) 111124ba9707SKevin Cernekee return -EIO; 111224ba9707SKevin Cernekee 111339fbe585SDmitry Torokhov psmouse_dbg(psmouse, "%2.2X report: %3ph\n", 111439fbe585SDmitry Torokhov repeated_command, param); 111524ba9707SKevin Cernekee return 0; 111624ba9707SKevin Cernekee } 111724ba9707SKevin Cernekee 1118d18e53fcSKevin Cernekee static int alps_enter_command_mode(struct psmouse *psmouse) 111925bded7cSSeth Forshee { 112025bded7cSSeth Forshee unsigned char param[4]; 112125bded7cSSeth Forshee 112224ba9707SKevin Cernekee if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_RESET_WRAP, param)) { 112325bded7cSSeth Forshee psmouse_err(psmouse, "failed to enter command mode\n"); 112425bded7cSSeth Forshee return -1; 112525bded7cSSeth Forshee } 112625bded7cSSeth Forshee 112775af9e56SDave Turvene if ((param[0] != 0x88 || (param[1] != 0x07 && param[1] != 0x08)) && 112875af9e56SDave Turvene param[0] != 0x73) { 112925bded7cSSeth Forshee psmouse_dbg(psmouse, 113024ba9707SKevin Cernekee "unknown response while entering command mode\n"); 113125bded7cSSeth Forshee return -1; 113225bded7cSSeth Forshee } 113325bded7cSSeth Forshee return 0; 113425bded7cSSeth Forshee } 113525bded7cSSeth Forshee 113625bded7cSSeth Forshee static inline int alps_exit_command_mode(struct psmouse *psmouse) 113725bded7cSSeth Forshee { 113825bded7cSSeth Forshee struct ps2dev *ps2dev = &psmouse->ps2dev; 113925bded7cSSeth Forshee if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM)) 114025bded7cSSeth Forshee return -1; 114125bded7cSSeth Forshee return 0; 114225bded7cSSeth Forshee } 114325bded7cSSeth Forshee 11441da177e4SLinus Torvalds /* 11451da177e4SLinus Torvalds * For DualPoint devices select the device that should respond to 11461da177e4SLinus Torvalds * subsequent commands. It looks like glidepad is behind stickpointer, 11471da177e4SLinus Torvalds * I'd thought it would be other way around... 11481da177e4SLinus Torvalds */ 114925bded7cSSeth Forshee static int alps_passthrough_mode_v2(struct psmouse *psmouse, bool enable) 11501da177e4SLinus Torvalds { 11511da177e4SLinus Torvalds struct ps2dev *ps2dev = &psmouse->ps2dev; 11521da177e4SLinus Torvalds int cmd = enable ? PSMOUSE_CMD_SETSCALE21 : PSMOUSE_CMD_SETSCALE11; 11531da177e4SLinus Torvalds 11541da177e4SLinus Torvalds if (ps2_command(ps2dev, NULL, cmd) || 11551da177e4SLinus Torvalds ps2_command(ps2dev, NULL, cmd) || 11561da177e4SLinus Torvalds ps2_command(ps2dev, NULL, cmd) || 11571da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE)) 11581da177e4SLinus Torvalds return -1; 11591da177e4SLinus Torvalds 11601da177e4SLinus Torvalds /* we may get 3 more bytes, just ignore them */ 1161c611763dSDmitry Torokhov ps2_drain(ps2dev, 3, 100); 11621da177e4SLinus Torvalds 11631da177e4SLinus Torvalds return 0; 11641da177e4SLinus Torvalds } 11651da177e4SLinus Torvalds 116625bded7cSSeth Forshee static int alps_absolute_mode_v1_v2(struct psmouse *psmouse) 11671da177e4SLinus Torvalds { 11681da177e4SLinus Torvalds struct ps2dev *ps2dev = &psmouse->ps2dev; 11691da177e4SLinus Torvalds 11701da177e4SLinus Torvalds /* Try ALPS magic knock - 4 disable before enable */ 11711da177e4SLinus Torvalds if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 11721da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 11731da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 11741da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 11751da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) 11761da177e4SLinus Torvalds return -1; 11771da177e4SLinus Torvalds 11781da177e4SLinus Torvalds /* 11791da177e4SLinus Torvalds * Switch mouse to poll (remote) mode so motion data will not 11801da177e4SLinus Torvalds * get in our way 11811da177e4SLinus Torvalds */ 11821da177e4SLinus Torvalds return ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETPOLL); 11831da177e4SLinus Torvalds } 11841da177e4SLinus Torvalds 118595f75e91SYunkang Tang static int alps_monitor_mode_send_word(struct psmouse *psmouse, u16 word) 118695f75e91SYunkang Tang { 118795f75e91SYunkang Tang int i, nibble; 118895f75e91SYunkang Tang 118995f75e91SYunkang Tang /* 119095f75e91SYunkang Tang * b0-b11 are valid bits, send sequence is inverse. 119195f75e91SYunkang Tang * e.g. when word = 0x0123, nibble send sequence is 3, 2, 1 119295f75e91SYunkang Tang */ 119395f75e91SYunkang Tang for (i = 0; i <= 8; i += 4) { 119495f75e91SYunkang Tang nibble = (word >> i) & 0xf; 119595f75e91SYunkang Tang if (alps_command_mode_send_nibble(psmouse, nibble)) 119695f75e91SYunkang Tang return -1; 119795f75e91SYunkang Tang } 119895f75e91SYunkang Tang 119995f75e91SYunkang Tang return 0; 120095f75e91SYunkang Tang } 120195f75e91SYunkang Tang 120295f75e91SYunkang Tang static int alps_monitor_mode_write_reg(struct psmouse *psmouse, 120395f75e91SYunkang Tang u16 addr, u16 value) 120495f75e91SYunkang Tang { 120595f75e91SYunkang Tang struct ps2dev *ps2dev = &psmouse->ps2dev; 120695f75e91SYunkang Tang 120795f75e91SYunkang Tang /* 0x0A0 is the command to write the word */ 120895f75e91SYunkang Tang if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE) || 120995f75e91SYunkang Tang alps_monitor_mode_send_word(psmouse, 0x0A0) || 121095f75e91SYunkang Tang alps_monitor_mode_send_word(psmouse, addr) || 121195f75e91SYunkang Tang alps_monitor_mode_send_word(psmouse, value) || 121295f75e91SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE)) 121395f75e91SYunkang Tang return -1; 121495f75e91SYunkang Tang 121595f75e91SYunkang Tang return 0; 121695f75e91SYunkang Tang } 121795f75e91SYunkang Tang 121895f75e91SYunkang Tang static int alps_monitor_mode(struct psmouse *psmouse, bool enable) 121995f75e91SYunkang Tang { 122095f75e91SYunkang Tang struct ps2dev *ps2dev = &psmouse->ps2dev; 122195f75e91SYunkang Tang 122295f75e91SYunkang Tang if (enable) { 122395f75e91SYunkang Tang /* EC E9 F5 F5 E7 E6 E7 E9 to enter monitor mode */ 122495f75e91SYunkang Tang if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP) || 122595f75e91SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_GETINFO) || 122695f75e91SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 122795f75e91SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 122895f75e91SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) || 122995f75e91SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 123095f75e91SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) || 123195f75e91SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_GETINFO)) 123295f75e91SYunkang Tang return -1; 123395f75e91SYunkang Tang } else { 123495f75e91SYunkang Tang /* EC to exit monitor mode */ 123595f75e91SYunkang Tang if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP)) 123695f75e91SYunkang Tang return -1; 123795f75e91SYunkang Tang } 123895f75e91SYunkang Tang 123995f75e91SYunkang Tang return 0; 124095f75e91SYunkang Tang } 124195f75e91SYunkang Tang 124295f75e91SYunkang Tang static int alps_absolute_mode_v6(struct psmouse *psmouse) 124395f75e91SYunkang Tang { 124495f75e91SYunkang Tang u16 reg_val = 0x181; 124595f75e91SYunkang Tang int ret = -1; 124695f75e91SYunkang Tang 124795f75e91SYunkang Tang /* enter monitor mode, to write the register */ 124895f75e91SYunkang Tang if (alps_monitor_mode(psmouse, true)) 124995f75e91SYunkang Tang return -1; 125095f75e91SYunkang Tang 125195f75e91SYunkang Tang ret = alps_monitor_mode_write_reg(psmouse, 0x000, reg_val); 125295f75e91SYunkang Tang 125395f75e91SYunkang Tang if (alps_monitor_mode(psmouse, false)) 125495f75e91SYunkang Tang ret = -1; 125595f75e91SYunkang Tang 125695f75e91SYunkang Tang return ret; 125795f75e91SYunkang Tang } 125895f75e91SYunkang Tang 12591da177e4SLinus Torvalds static int alps_get_status(struct psmouse *psmouse, char *param) 12601da177e4SLinus Torvalds { 12611da177e4SLinus Torvalds /* Get status: 0xF5 0xF5 0xF5 0xE9 */ 126224ba9707SKevin Cernekee if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_DISABLE, param)) 12631da177e4SLinus Torvalds return -1; 12641da177e4SLinus Torvalds 12651da177e4SLinus Torvalds return 0; 12661da177e4SLinus Torvalds } 12671da177e4SLinus Torvalds 12681da177e4SLinus Torvalds /* 12691da177e4SLinus Torvalds * Turn touchpad tapping on or off. The sequences are: 12701da177e4SLinus Torvalds * 0xE9 0xF5 0xF5 0xF3 0x0A to enable, 12711da177e4SLinus Torvalds * 0xE9 0xF5 0xF5 0xE8 0x00 to disable. 12721da177e4SLinus Torvalds * My guess that 0xE9 (GetInfo) is here as a sync point. 12731da177e4SLinus Torvalds * For models that also have stickpointer (DualPoints) its tapping 12741da177e4SLinus Torvalds * is controlled separately (0xE6 0xE6 0xE6 0xF3 0x14|0x0A) but 12751da177e4SLinus Torvalds * we don't fiddle with it. 12761da177e4SLinus Torvalds */ 12771da177e4SLinus Torvalds static int alps_tap_mode(struct psmouse *psmouse, int enable) 12781da177e4SLinus Torvalds { 12791da177e4SLinus Torvalds struct ps2dev *ps2dev = &psmouse->ps2dev; 12801da177e4SLinus Torvalds int cmd = enable ? PSMOUSE_CMD_SETRATE : PSMOUSE_CMD_SETRES; 12811da177e4SLinus Torvalds unsigned char tap_arg = enable ? 0x0A : 0x00; 12821da177e4SLinus Torvalds unsigned char param[4]; 12831da177e4SLinus Torvalds 12841da177e4SLinus Torvalds if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO) || 12851da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 12861da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 12871da177e4SLinus Torvalds ps2_command(ps2dev, &tap_arg, cmd)) 12881da177e4SLinus Torvalds return -1; 12891da177e4SLinus Torvalds 12901da177e4SLinus Torvalds if (alps_get_status(psmouse, param)) 12911da177e4SLinus Torvalds return -1; 12921da177e4SLinus Torvalds 12931da177e4SLinus Torvalds return 0; 12941da177e4SLinus Torvalds } 12951da177e4SLinus Torvalds 1296f0d5c6f4SDmitry Torokhov /* 1297f0d5c6f4SDmitry Torokhov * alps_poll() - poll the touchpad for current motion packet. 1298f0d5c6f4SDmitry Torokhov * Used in resync. 1299f0d5c6f4SDmitry Torokhov */ 1300f0d5c6f4SDmitry Torokhov static int alps_poll(struct psmouse *psmouse) 1301f0d5c6f4SDmitry Torokhov { 1302f0d5c6f4SDmitry Torokhov struct alps_data *priv = psmouse->private; 1303b46615feSSeth Forshee unsigned char buf[sizeof(psmouse->packet)]; 1304b7802c5cSDmitry Torokhov bool poll_failed; 1305f0d5c6f4SDmitry Torokhov 130699df65e7SKevin Cernekee if (priv->flags & ALPS_PASS) 130725bded7cSSeth Forshee alps_passthrough_mode_v2(psmouse, true); 1308f0d5c6f4SDmitry Torokhov 1309f0d5c6f4SDmitry Torokhov poll_failed = ps2_command(&psmouse->ps2dev, buf, 1310f0d5c6f4SDmitry Torokhov PSMOUSE_CMD_POLL | (psmouse->pktsize << 8)) < 0; 1311f0d5c6f4SDmitry Torokhov 131299df65e7SKevin Cernekee if (priv->flags & ALPS_PASS) 131325bded7cSSeth Forshee alps_passthrough_mode_v2(psmouse, false); 1314f0d5c6f4SDmitry Torokhov 131599df65e7SKevin Cernekee if (poll_failed || (buf[0] & priv->mask0) != priv->byte0) 1316f0d5c6f4SDmitry Torokhov return -1; 1317f0d5c6f4SDmitry Torokhov 1318f0d5c6f4SDmitry Torokhov if ((psmouse->badbyte & 0xc8) == 0x08) { 1319f0d5c6f4SDmitry Torokhov /* 1320f0d5c6f4SDmitry Torokhov * Poll the track stick ... 1321f0d5c6f4SDmitry Torokhov */ 1322f0d5c6f4SDmitry Torokhov if (ps2_command(&psmouse->ps2dev, buf, PSMOUSE_CMD_POLL | (3 << 8))) 1323f0d5c6f4SDmitry Torokhov return -1; 1324f0d5c6f4SDmitry Torokhov } 1325f0d5c6f4SDmitry Torokhov 1326f0d5c6f4SDmitry Torokhov memcpy(psmouse->packet, buf, sizeof(buf)); 1327f0d5c6f4SDmitry Torokhov return 0; 1328f0d5c6f4SDmitry Torokhov } 1329f0d5c6f4SDmitry Torokhov 133025bded7cSSeth Forshee static int alps_hw_init_v1_v2(struct psmouse *psmouse) 13311da177e4SLinus Torvalds { 13321da177e4SLinus Torvalds struct alps_data *priv = psmouse->private; 13331da177e4SLinus Torvalds 133499df65e7SKevin Cernekee if ((priv->flags & ALPS_PASS) && 133525bded7cSSeth Forshee alps_passthrough_mode_v2(psmouse, true)) { 13361da177e4SLinus Torvalds return -1; 1337b7802c5cSDmitry Torokhov } 13381da177e4SLinus Torvalds 1339b7802c5cSDmitry Torokhov if (alps_tap_mode(psmouse, true)) { 1340b5d21704SDmitry Torokhov psmouse_warn(psmouse, "Failed to enable hardware tapping\n"); 13411da177e4SLinus Torvalds return -1; 1342963f626dSPeter Osterlund } 13431da177e4SLinus Torvalds 134425bded7cSSeth Forshee if (alps_absolute_mode_v1_v2(psmouse)) { 1345b5d21704SDmitry Torokhov psmouse_err(psmouse, "Failed to enable absolute mode\n"); 13461da177e4SLinus Torvalds return -1; 13471da177e4SLinus Torvalds } 13481da177e4SLinus Torvalds 134999df65e7SKevin Cernekee if ((priv->flags & ALPS_PASS) && 135025bded7cSSeth Forshee alps_passthrough_mode_v2(psmouse, false)) { 13511da177e4SLinus Torvalds return -1; 1352b7802c5cSDmitry Torokhov } 13531da177e4SLinus Torvalds 13541e0c5b12SDmitry Torokhov /* ALPS needs stream mode, otherwise it won't report any data */ 13551e0c5b12SDmitry Torokhov if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSTREAM)) { 1356b5d21704SDmitry Torokhov psmouse_err(psmouse, "Failed to enable stream mode\n"); 13571e0c5b12SDmitry Torokhov return -1; 13581e0c5b12SDmitry Torokhov } 13591e0c5b12SDmitry Torokhov 13601e0c5b12SDmitry Torokhov return 0; 13611e0c5b12SDmitry Torokhov } 13621e0c5b12SDmitry Torokhov 136395f75e91SYunkang Tang static int alps_hw_init_v6(struct psmouse *psmouse) 136495f75e91SYunkang Tang { 136595f75e91SYunkang Tang unsigned char param[2] = {0xC8, 0x14}; 136695f75e91SYunkang Tang 136795f75e91SYunkang Tang /* Enter passthrough mode to let trackpoint enter 6byte raw mode */ 136895f75e91SYunkang Tang if (alps_passthrough_mode_v2(psmouse, true)) 136995f75e91SYunkang Tang return -1; 137095f75e91SYunkang Tang 137195f75e91SYunkang Tang if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 137295f75e91SYunkang Tang ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 137395f75e91SYunkang Tang ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 137495f75e91SYunkang Tang ps2_command(&psmouse->ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || 137595f75e91SYunkang Tang ps2_command(&psmouse->ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE)) 137695f75e91SYunkang Tang return -1; 137795f75e91SYunkang Tang 137895f75e91SYunkang Tang if (alps_passthrough_mode_v2(psmouse, false)) 137995f75e91SYunkang Tang return -1; 138095f75e91SYunkang Tang 138195f75e91SYunkang Tang if (alps_absolute_mode_v6(psmouse)) { 138295f75e91SYunkang Tang psmouse_err(psmouse, "Failed to enable absolute mode\n"); 138395f75e91SYunkang Tang return -1; 138495f75e91SYunkang Tang } 138595f75e91SYunkang Tang 138695f75e91SYunkang Tang return 0; 138795f75e91SYunkang Tang } 138895f75e91SYunkang Tang 138925bded7cSSeth Forshee /* 1390cd401204SKevin Cernekee * Enable or disable passthrough mode to the trackstick. 139125bded7cSSeth Forshee */ 1392cd401204SKevin Cernekee static int alps_passthrough_mode_v3(struct psmouse *psmouse, 1393cd401204SKevin Cernekee int reg_base, bool enable) 139425bded7cSSeth Forshee { 1395cd401204SKevin Cernekee int reg_val, ret = -1; 139625bded7cSSeth Forshee 1397d18e53fcSKevin Cernekee if (alps_enter_command_mode(psmouse)) 139825bded7cSSeth Forshee return -1; 139925bded7cSSeth Forshee 1400cd401204SKevin Cernekee reg_val = alps_command_mode_read_reg(psmouse, reg_base + 0x0008); 1401cd401204SKevin Cernekee if (reg_val == -1) 1402cd401204SKevin Cernekee goto error; 1403cd401204SKevin Cernekee 140425bded7cSSeth Forshee if (enable) 140525bded7cSSeth Forshee reg_val |= 0x01; 140625bded7cSSeth Forshee else 140725bded7cSSeth Forshee reg_val &= ~0x01; 140825bded7cSSeth Forshee 1409cd401204SKevin Cernekee ret = __alps_command_mode_write_reg(psmouse, reg_val); 141025bded7cSSeth Forshee 1411cd401204SKevin Cernekee error: 1412cd401204SKevin Cernekee if (alps_exit_command_mode(psmouse)) 1413cd401204SKevin Cernekee ret = -1; 1414cd401204SKevin Cernekee return ret; 141525bded7cSSeth Forshee } 141625bded7cSSeth Forshee 141725bded7cSSeth Forshee /* Must be in command mode when calling this function */ 141825bded7cSSeth Forshee static int alps_absolute_mode_v3(struct psmouse *psmouse) 141925bded7cSSeth Forshee { 142025bded7cSSeth Forshee int reg_val; 142125bded7cSSeth Forshee 142225bded7cSSeth Forshee reg_val = alps_command_mode_read_reg(psmouse, 0x0004); 142325bded7cSSeth Forshee if (reg_val == -1) 142425bded7cSSeth Forshee return -1; 142525bded7cSSeth Forshee 142625bded7cSSeth Forshee reg_val |= 0x06; 142725bded7cSSeth Forshee if (__alps_command_mode_write_reg(psmouse, reg_val)) 142825bded7cSSeth Forshee return -1; 142925bded7cSSeth Forshee 143025bded7cSSeth Forshee return 0; 143125bded7cSSeth Forshee } 143225bded7cSSeth Forshee 1433cd401204SKevin Cernekee static int alps_probe_trackstick_v3(struct psmouse *psmouse, int reg_base) 143425bded7cSSeth Forshee { 1435cd401204SKevin Cernekee int ret = -EIO, reg_val; 143625bded7cSSeth Forshee 1437d18e53fcSKevin Cernekee if (alps_enter_command_mode(psmouse)) 143825bded7cSSeth Forshee goto error; 143925bded7cSSeth Forshee 1440cd401204SKevin Cernekee reg_val = alps_command_mode_read_reg(psmouse, reg_base + 0x08); 144125bded7cSSeth Forshee if (reg_val == -1) 144225bded7cSSeth Forshee goto error; 1443cd401204SKevin Cernekee 1444cd401204SKevin Cernekee /* bit 7: trackstick is present */ 1445cd401204SKevin Cernekee ret = reg_val & 0x80 ? 0 : -ENODEV; 1446cd401204SKevin Cernekee 1447cd401204SKevin Cernekee error: 1448cd401204SKevin Cernekee alps_exit_command_mode(psmouse); 1449cd401204SKevin Cernekee return ret; 1450cd401204SKevin Cernekee } 1451cd401204SKevin Cernekee 1452cd401204SKevin Cernekee static int alps_setup_trackstick_v3(struct psmouse *psmouse, int reg_base) 1453cd401204SKevin Cernekee { 1454cd401204SKevin Cernekee struct ps2dev *ps2dev = &psmouse->ps2dev; 1455cd401204SKevin Cernekee int ret = 0; 1456cd401204SKevin Cernekee unsigned char param[4]; 1457cd401204SKevin Cernekee 1458cd401204SKevin Cernekee if (alps_passthrough_mode_v3(psmouse, reg_base, true)) 1459cd401204SKevin Cernekee return -EIO; 146025bded7cSSeth Forshee 146125bded7cSSeth Forshee /* 146225bded7cSSeth Forshee * E7 report for the trackstick 146325bded7cSSeth Forshee * 146425bded7cSSeth Forshee * There have been reports of failures to seem to trace back 146525bded7cSSeth Forshee * to the above trackstick check failing. When these occur 146625bded7cSSeth Forshee * this E7 report fails, so when that happens we continue 146725bded7cSSeth Forshee * with the assumption that there isn't a trackstick after 146825bded7cSSeth Forshee * all. 146925bded7cSSeth Forshee */ 1470cd401204SKevin Cernekee if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_SETSCALE21, param)) { 147125bded7cSSeth Forshee psmouse_warn(psmouse, "trackstick E7 report failed\n"); 1472cd401204SKevin Cernekee ret = -ENODEV; 147325bded7cSSeth Forshee } else { 147439fbe585SDmitry Torokhov psmouse_dbg(psmouse, "trackstick E7 report: %3ph\n", param); 147525bded7cSSeth Forshee 147625bded7cSSeth Forshee /* 147725bded7cSSeth Forshee * Not sure what this does, but it is absolutely 147825bded7cSSeth Forshee * essential. Without it, the touchpad does not 147925bded7cSSeth Forshee * work at all and the trackstick just emits normal 148025bded7cSSeth Forshee * PS/2 packets. 148125bded7cSSeth Forshee */ 148225bded7cSSeth Forshee if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 148325bded7cSSeth Forshee ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 148425bded7cSSeth Forshee ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 148525bded7cSSeth Forshee alps_command_mode_send_nibble(psmouse, 0x9) || 148625bded7cSSeth Forshee alps_command_mode_send_nibble(psmouse, 0x4)) { 148725bded7cSSeth Forshee psmouse_err(psmouse, 148825bded7cSSeth Forshee "Error sending magic E6 sequence\n"); 1489cd401204SKevin Cernekee ret = -EIO; 149025bded7cSSeth Forshee goto error; 149125bded7cSSeth Forshee } 149225bded7cSSeth Forshee 1493cd401204SKevin Cernekee /* 1494cd401204SKevin Cernekee * This ensures the trackstick packets are in the format 1495cd401204SKevin Cernekee * supported by this driver. If bit 1 isn't set the packet 1496cd401204SKevin Cernekee * format is different. 1497cd401204SKevin Cernekee */ 1498d18e53fcSKevin Cernekee if (alps_enter_command_mode(psmouse) || 1499cd401204SKevin Cernekee alps_command_mode_write_reg(psmouse, 1500cd401204SKevin Cernekee reg_base + 0x08, 0x82) || 1501cd401204SKevin Cernekee alps_exit_command_mode(psmouse)) 1502cd401204SKevin Cernekee ret = -EIO; 1503cd401204SKevin Cernekee } 1504cd401204SKevin Cernekee 1505cd401204SKevin Cernekee error: 1506cd401204SKevin Cernekee if (alps_passthrough_mode_v3(psmouse, reg_base, false)) 1507cd401204SKevin Cernekee ret = -EIO; 1508cd401204SKevin Cernekee 1509cd401204SKevin Cernekee return ret; 1510cd401204SKevin Cernekee } 1511cd401204SKevin Cernekee 1512cd401204SKevin Cernekee static int alps_hw_init_v3(struct psmouse *psmouse) 1513cd401204SKevin Cernekee { 1514cd401204SKevin Cernekee struct ps2dev *ps2dev = &psmouse->ps2dev; 1515cd401204SKevin Cernekee int reg_val; 1516cd401204SKevin Cernekee unsigned char param[4]; 1517cd401204SKevin Cernekee 1518cd401204SKevin Cernekee reg_val = alps_probe_trackstick_v3(psmouse, ALPS_REG_BASE_PINNACLE); 1519cd401204SKevin Cernekee if (reg_val == -EIO) 1520cd401204SKevin Cernekee goto error; 152139fbe585SDmitry Torokhov 1522cd401204SKevin Cernekee if (reg_val == 0 && 1523cd401204SKevin Cernekee alps_setup_trackstick_v3(psmouse, ALPS_REG_BASE_PINNACLE) == -EIO) 1524cd401204SKevin Cernekee goto error; 1525cd401204SKevin Cernekee 1526d18e53fcSKevin Cernekee if (alps_enter_command_mode(psmouse) || 1527cd401204SKevin Cernekee alps_absolute_mode_v3(psmouse)) { 152825bded7cSSeth Forshee psmouse_err(psmouse, "Failed to enter absolute mode\n"); 152925bded7cSSeth Forshee goto error; 153025bded7cSSeth Forshee } 153125bded7cSSeth Forshee 153225bded7cSSeth Forshee reg_val = alps_command_mode_read_reg(psmouse, 0x0006); 153325bded7cSSeth Forshee if (reg_val == -1) 153425bded7cSSeth Forshee goto error; 153525bded7cSSeth Forshee if (__alps_command_mode_write_reg(psmouse, reg_val | 0x01)) 153625bded7cSSeth Forshee goto error; 153725bded7cSSeth Forshee 153825bded7cSSeth Forshee reg_val = alps_command_mode_read_reg(psmouse, 0x0007); 153925bded7cSSeth Forshee if (reg_val == -1) 154025bded7cSSeth Forshee goto error; 154125bded7cSSeth Forshee if (__alps_command_mode_write_reg(psmouse, reg_val | 0x01)) 154225bded7cSSeth Forshee goto error; 154325bded7cSSeth Forshee 154425bded7cSSeth Forshee if (alps_command_mode_read_reg(psmouse, 0x0144) == -1) 154525bded7cSSeth Forshee goto error; 154625bded7cSSeth Forshee if (__alps_command_mode_write_reg(psmouse, 0x04)) 154725bded7cSSeth Forshee goto error; 154825bded7cSSeth Forshee 154925bded7cSSeth Forshee if (alps_command_mode_read_reg(psmouse, 0x0159) == -1) 155025bded7cSSeth Forshee goto error; 155125bded7cSSeth Forshee if (__alps_command_mode_write_reg(psmouse, 0x03)) 155225bded7cSSeth Forshee goto error; 155325bded7cSSeth Forshee 155425bded7cSSeth Forshee if (alps_command_mode_read_reg(psmouse, 0x0163) == -1) 155525bded7cSSeth Forshee goto error; 155625bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x0163, 0x03)) 155725bded7cSSeth Forshee goto error; 155825bded7cSSeth Forshee 155925bded7cSSeth Forshee if (alps_command_mode_read_reg(psmouse, 0x0162) == -1) 156025bded7cSSeth Forshee goto error; 156125bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x0162, 0x04)) 156225bded7cSSeth Forshee goto error; 156325bded7cSSeth Forshee 156425bded7cSSeth Forshee alps_exit_command_mode(psmouse); 156525bded7cSSeth Forshee 156625bded7cSSeth Forshee /* Set rate and enable data reporting */ 156725bded7cSSeth Forshee param[0] = 0x64; 156825bded7cSSeth Forshee if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE) || 156925bded7cSSeth Forshee ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) { 157025bded7cSSeth Forshee psmouse_err(psmouse, "Failed to enable data reporting\n"); 157125bded7cSSeth Forshee return -1; 157225bded7cSSeth Forshee } 157325bded7cSSeth Forshee 157425bded7cSSeth Forshee return 0; 157525bded7cSSeth Forshee 157625bded7cSSeth Forshee error: 157725bded7cSSeth Forshee /* 157825bded7cSSeth Forshee * Leaving the touchpad in command mode will essentially render 157925bded7cSSeth Forshee * it unusable until the machine reboots, so exit it here just 158025bded7cSSeth Forshee * to be safe 158125bded7cSSeth Forshee */ 158225bded7cSSeth Forshee alps_exit_command_mode(psmouse); 158325bded7cSSeth Forshee return -1; 158425bded7cSSeth Forshee } 158525bded7cSSeth Forshee 15861302bac3SKevin Cernekee static int alps_hw_init_rushmore_v3(struct psmouse *psmouse) 15871302bac3SKevin Cernekee { 1588cd401204SKevin Cernekee struct alps_data *priv = psmouse->private; 15891302bac3SKevin Cernekee struct ps2dev *ps2dev = &psmouse->ps2dev; 15901302bac3SKevin Cernekee int reg_val, ret = -1; 15911302bac3SKevin Cernekee 1592cd401204SKevin Cernekee if (priv->flags & ALPS_DUALPOINT) { 1593cd401204SKevin Cernekee reg_val = alps_setup_trackstick_v3(psmouse, 1594cd401204SKevin Cernekee ALPS_REG_BASE_RUSHMORE); 1595cd401204SKevin Cernekee if (reg_val == -EIO) 1596cd401204SKevin Cernekee goto error; 1597cd401204SKevin Cernekee if (reg_val == -ENODEV) 1598cd401204SKevin Cernekee priv->flags &= ~ALPS_DUALPOINT; 1599cd401204SKevin Cernekee } 1600cd401204SKevin Cernekee 1601d18e53fcSKevin Cernekee if (alps_enter_command_mode(psmouse) || 16021302bac3SKevin Cernekee alps_command_mode_read_reg(psmouse, 0xc2d9) == -1 || 16031302bac3SKevin Cernekee alps_command_mode_write_reg(psmouse, 0xc2cb, 0x00)) 16041302bac3SKevin Cernekee goto error; 16051302bac3SKevin Cernekee 16061302bac3SKevin Cernekee reg_val = alps_command_mode_read_reg(psmouse, 0xc2c6); 16071302bac3SKevin Cernekee if (reg_val == -1) 16081302bac3SKevin Cernekee goto error; 16091302bac3SKevin Cernekee if (__alps_command_mode_write_reg(psmouse, reg_val & 0xfd)) 16101302bac3SKevin Cernekee goto error; 16111302bac3SKevin Cernekee 16121302bac3SKevin Cernekee if (alps_command_mode_write_reg(psmouse, 0xc2c9, 0x64)) 16131302bac3SKevin Cernekee goto error; 16141302bac3SKevin Cernekee 16151302bac3SKevin Cernekee /* enter absolute mode */ 16161302bac3SKevin Cernekee reg_val = alps_command_mode_read_reg(psmouse, 0xc2c4); 16171302bac3SKevin Cernekee if (reg_val == -1) 16181302bac3SKevin Cernekee goto error; 16191302bac3SKevin Cernekee if (__alps_command_mode_write_reg(psmouse, reg_val | 0x02)) 16201302bac3SKevin Cernekee goto error; 16211302bac3SKevin Cernekee 16221302bac3SKevin Cernekee alps_exit_command_mode(psmouse); 16231302bac3SKevin Cernekee return ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE); 16241302bac3SKevin Cernekee 16251302bac3SKevin Cernekee error: 16261302bac3SKevin Cernekee alps_exit_command_mode(psmouse); 16271302bac3SKevin Cernekee return ret; 16281302bac3SKevin Cernekee } 16291302bac3SKevin Cernekee 163025bded7cSSeth Forshee /* Must be in command mode when calling this function */ 163125bded7cSSeth Forshee static int alps_absolute_mode_v4(struct psmouse *psmouse) 163225bded7cSSeth Forshee { 163325bded7cSSeth Forshee int reg_val; 163425bded7cSSeth Forshee 163525bded7cSSeth Forshee reg_val = alps_command_mode_read_reg(psmouse, 0x0004); 163625bded7cSSeth Forshee if (reg_val == -1) 163725bded7cSSeth Forshee return -1; 163825bded7cSSeth Forshee 163925bded7cSSeth Forshee reg_val |= 0x02; 164025bded7cSSeth Forshee if (__alps_command_mode_write_reg(psmouse, reg_val)) 164125bded7cSSeth Forshee return -1; 164225bded7cSSeth Forshee 164325bded7cSSeth Forshee return 0; 164425bded7cSSeth Forshee } 164525bded7cSSeth Forshee 164625bded7cSSeth Forshee static int alps_hw_init_v4(struct psmouse *psmouse) 164725bded7cSSeth Forshee { 164825bded7cSSeth Forshee struct ps2dev *ps2dev = &psmouse->ps2dev; 164925bded7cSSeth Forshee unsigned char param[4]; 165025bded7cSSeth Forshee 1651d18e53fcSKevin Cernekee if (alps_enter_command_mode(psmouse)) 165225bded7cSSeth Forshee goto error; 165325bded7cSSeth Forshee 165425bded7cSSeth Forshee if (alps_absolute_mode_v4(psmouse)) { 165525bded7cSSeth Forshee psmouse_err(psmouse, "Failed to enter absolute mode\n"); 165625bded7cSSeth Forshee goto error; 165725bded7cSSeth Forshee } 165825bded7cSSeth Forshee 165925bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x0007, 0x8c)) 166025bded7cSSeth Forshee goto error; 166125bded7cSSeth Forshee 166225bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x0149, 0x03)) 166325bded7cSSeth Forshee goto error; 166425bded7cSSeth Forshee 166525bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x0160, 0x03)) 166625bded7cSSeth Forshee goto error; 166725bded7cSSeth Forshee 166825bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x017f, 0x15)) 166925bded7cSSeth Forshee goto error; 167025bded7cSSeth Forshee 167125bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x0151, 0x01)) 167225bded7cSSeth Forshee goto error; 167325bded7cSSeth Forshee 167425bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x0168, 0x03)) 167525bded7cSSeth Forshee goto error; 167625bded7cSSeth Forshee 167725bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x014a, 0x03)) 167825bded7cSSeth Forshee goto error; 167925bded7cSSeth Forshee 168025bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x0161, 0x03)) 168125bded7cSSeth Forshee goto error; 168225bded7cSSeth Forshee 168325bded7cSSeth Forshee alps_exit_command_mode(psmouse); 168425bded7cSSeth Forshee 168525bded7cSSeth Forshee /* 168625bded7cSSeth Forshee * This sequence changes the output from a 9-byte to an 168725bded7cSSeth Forshee * 8-byte format. All the same data seems to be present, 168825bded7cSSeth Forshee * just in a more compact format. 168925bded7cSSeth Forshee */ 169025bded7cSSeth Forshee param[0] = 0xc8; 169125bded7cSSeth Forshee param[1] = 0x64; 169225bded7cSSeth Forshee param[2] = 0x50; 169325bded7cSSeth Forshee if (ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || 169425bded7cSSeth Forshee ps2_command(ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE) || 169525bded7cSSeth Forshee ps2_command(ps2dev, ¶m[2], PSMOUSE_CMD_SETRATE) || 169625bded7cSSeth Forshee ps2_command(ps2dev, param, PSMOUSE_CMD_GETID)) 169725bded7cSSeth Forshee return -1; 169825bded7cSSeth Forshee 169925bded7cSSeth Forshee /* Set rate and enable data reporting */ 170025bded7cSSeth Forshee param[0] = 0x64; 170125bded7cSSeth Forshee if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE) || 170225bded7cSSeth Forshee ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) { 170325bded7cSSeth Forshee psmouse_err(psmouse, "Failed to enable data reporting\n"); 170425bded7cSSeth Forshee return -1; 170525bded7cSSeth Forshee } 170625bded7cSSeth Forshee 170725bded7cSSeth Forshee return 0; 170825bded7cSSeth Forshee 170925bded7cSSeth Forshee error: 171025bded7cSSeth Forshee /* 171125bded7cSSeth Forshee * Leaving the touchpad in command mode will essentially render 171225bded7cSSeth Forshee * it unusable until the machine reboots, so exit it here just 171325bded7cSSeth Forshee * to be safe 171425bded7cSSeth Forshee */ 171525bded7cSSeth Forshee alps_exit_command_mode(psmouse); 171625bded7cSSeth Forshee return -1; 171725bded7cSSeth Forshee } 171825bded7cSSeth Forshee 1719ee65d4b3SYunkang Tang static int alps_dolphin_get_device_area(struct psmouse *psmouse, 1720ee65d4b3SYunkang Tang struct alps_data *priv) 1721ee65d4b3SYunkang Tang { 1722ee65d4b3SYunkang Tang struct ps2dev *ps2dev = &psmouse->ps2dev; 1723ee65d4b3SYunkang Tang unsigned char param[4] = {0}; 1724ee65d4b3SYunkang Tang int num_x_electrode, num_y_electrode; 1725ee65d4b3SYunkang Tang 1726ee65d4b3SYunkang Tang if (alps_enter_command_mode(psmouse)) 1727ee65d4b3SYunkang Tang return -1; 1728ee65d4b3SYunkang Tang 1729ee65d4b3SYunkang Tang param[0] = 0x0a; 1730ee65d4b3SYunkang Tang if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP) || 1731ee65d4b3SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL) || 1732ee65d4b3SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL) || 1733ee65d4b3SYunkang Tang ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || 1734ee65d4b3SYunkang Tang ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE)) 1735ee65d4b3SYunkang Tang return -1; 1736ee65d4b3SYunkang Tang 1737ee65d4b3SYunkang Tang if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) 1738ee65d4b3SYunkang Tang return -1; 1739ee65d4b3SYunkang Tang 1740ee65d4b3SYunkang Tang /* 1741ee65d4b3SYunkang Tang * Dolphin's sensor line number is not fixed. It can be calculated 1742ee65d4b3SYunkang Tang * by adding the device's register value with DOLPHIN_PROFILE_X/YOFFSET. 1743ee65d4b3SYunkang Tang * Further more, we can get device's x_max and y_max by multiplying 1744ee65d4b3SYunkang Tang * sensor line number with DOLPHIN_COUNT_PER_ELECTRODE. 1745ee65d4b3SYunkang Tang * 1746ee65d4b3SYunkang Tang * e.g. When we get register's sensor_x = 11 & sensor_y = 8, 1747ee65d4b3SYunkang Tang * real sensor line number X = 11 + 8 = 19, and 1748ee65d4b3SYunkang Tang * real sensor line number Y = 8 + 1 = 9. 1749ee65d4b3SYunkang Tang * So, x_max = (19 - 1) * 64 = 1152, and 1750ee65d4b3SYunkang Tang * y_max = (9 - 1) * 64 = 512. 1751ee65d4b3SYunkang Tang */ 1752ee65d4b3SYunkang Tang num_x_electrode = DOLPHIN_PROFILE_XOFFSET + (param[2] & 0x0F); 1753ee65d4b3SYunkang Tang num_y_electrode = DOLPHIN_PROFILE_YOFFSET + ((param[2] >> 4) & 0x0F); 1754ee65d4b3SYunkang Tang priv->x_bits = num_x_electrode; 1755ee65d4b3SYunkang Tang priv->y_bits = num_y_electrode; 1756ee65d4b3SYunkang Tang priv->x_max = (num_x_electrode - 1) * DOLPHIN_COUNT_PER_ELECTRODE; 1757ee65d4b3SYunkang Tang priv->y_max = (num_y_electrode - 1) * DOLPHIN_COUNT_PER_ELECTRODE; 1758ee65d4b3SYunkang Tang 1759ee65d4b3SYunkang Tang if (alps_exit_command_mode(psmouse)) 1760ee65d4b3SYunkang Tang return -1; 1761ee65d4b3SYunkang Tang 1762ee65d4b3SYunkang Tang return 0; 1763ee65d4b3SYunkang Tang } 1764ee65d4b3SYunkang Tang 176575af9e56SDave Turvene static int alps_hw_init_dolphin_v1(struct psmouse *psmouse) 176675af9e56SDave Turvene { 176775af9e56SDave Turvene struct ps2dev *ps2dev = &psmouse->ps2dev; 176875af9e56SDave Turvene unsigned char param[2]; 176975af9e56SDave Turvene 177075af9e56SDave Turvene /* This is dolphin "v1" as empirically defined by florin9doi */ 177175af9e56SDave Turvene param[0] = 0x64; 177275af9e56SDave Turvene param[1] = 0x28; 177375af9e56SDave Turvene 177475af9e56SDave Turvene if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) || 177575af9e56SDave Turvene ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || 177675af9e56SDave Turvene ps2_command(ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE)) 177775af9e56SDave Turvene return -1; 177875af9e56SDave Turvene 177975af9e56SDave Turvene return 0; 178075af9e56SDave Turvene } 178175af9e56SDave Turvene 178224af5cb9SKevin Cernekee static void alps_set_defaults(struct alps_data *priv) 178325bded7cSSeth Forshee { 1784f673ceb1SKevin Cernekee priv->byte0 = 0x8f; 1785f673ceb1SKevin Cernekee priv->mask0 = 0x8f; 1786f673ceb1SKevin Cernekee priv->flags = ALPS_DUALPOINT; 1787f673ceb1SKevin Cernekee 17887a9f73e7SKevin Cernekee priv->x_max = 2000; 17897a9f73e7SKevin Cernekee priv->y_max = 1400; 17907a9f73e7SKevin Cernekee priv->x_bits = 15; 17917a9f73e7SKevin Cernekee priv->y_bits = 11; 17927a9f73e7SKevin Cernekee 179399df65e7SKevin Cernekee switch (priv->proto_version) { 179425bded7cSSeth Forshee case ALPS_PROTO_V1: 179525bded7cSSeth Forshee case ALPS_PROTO_V2: 179624af5cb9SKevin Cernekee priv->hw_init = alps_hw_init_v1_v2; 179724af5cb9SKevin Cernekee priv->process_packet = alps_process_packet_v1_v2; 179824af5cb9SKevin Cernekee priv->set_abs_params = alps_set_abs_params_st; 179995f75e91SYunkang Tang priv->x_max = 1023; 180095f75e91SYunkang Tang priv->y_max = 767; 180125bded7cSSeth Forshee break; 180225bded7cSSeth Forshee case ALPS_PROTO_V3: 180324af5cb9SKevin Cernekee priv->hw_init = alps_hw_init_v3; 180424af5cb9SKevin Cernekee priv->process_packet = alps_process_packet_v3; 180524af5cb9SKevin Cernekee priv->set_abs_params = alps_set_abs_params_mt; 1806f85e5001SKevin Cernekee priv->decode_fields = alps_decode_pinnacle; 180750e8b216SKevin Cernekee priv->nibble_commands = alps_v3_nibble_commands; 180850e8b216SKevin Cernekee priv->addr_command = PSMOUSE_CMD_RESET_WRAP; 180925bded7cSSeth Forshee break; 181025bded7cSSeth Forshee case ALPS_PROTO_V4: 181124af5cb9SKevin Cernekee priv->hw_init = alps_hw_init_v4; 181224af5cb9SKevin Cernekee priv->process_packet = alps_process_packet_v4; 181324af5cb9SKevin Cernekee priv->set_abs_params = alps_set_abs_params_mt; 181450e8b216SKevin Cernekee priv->nibble_commands = alps_v4_nibble_commands; 181550e8b216SKevin Cernekee priv->addr_command = PSMOUSE_CMD_DISABLE; 181625bded7cSSeth Forshee break; 181775af9e56SDave Turvene case ALPS_PROTO_V5: 181875af9e56SDave Turvene priv->hw_init = alps_hw_init_dolphin_v1; 1819ee65d4b3SYunkang Tang priv->process_packet = alps_process_touchpad_packet_v3_v5; 182075af9e56SDave Turvene priv->decode_fields = alps_decode_dolphin; 182175af9e56SDave Turvene priv->set_abs_params = alps_set_abs_params_mt; 182275af9e56SDave Turvene priv->nibble_commands = alps_v3_nibble_commands; 182375af9e56SDave Turvene priv->addr_command = PSMOUSE_CMD_RESET_WRAP; 182475af9e56SDave Turvene priv->byte0 = 0xc8; 1825ee65d4b3SYunkang Tang priv->mask0 = 0xd8; 182675af9e56SDave Turvene priv->flags = 0; 182775af9e56SDave Turvene priv->x_max = 1360; 182875af9e56SDave Turvene priv->y_max = 660; 182975af9e56SDave Turvene priv->x_bits = 23; 183075af9e56SDave Turvene priv->y_bits = 12; 183175af9e56SDave Turvene break; 183295f75e91SYunkang Tang case ALPS_PROTO_V6: 183395f75e91SYunkang Tang priv->hw_init = alps_hw_init_v6; 183495f75e91SYunkang Tang priv->process_packet = alps_process_packet_v6; 183595f75e91SYunkang Tang priv->set_abs_params = alps_set_abs_params_st; 183695f75e91SYunkang Tang priv->nibble_commands = alps_v6_nibble_commands; 183795f75e91SYunkang Tang priv->x_max = 2047; 183895f75e91SYunkang Tang priv->y_max = 1535; 183995f75e91SYunkang Tang break; 184025bded7cSSeth Forshee } 184125bded7cSSeth Forshee } 184225bded7cSSeth Forshee 1843b5d6b851SKevin Cernekee static int alps_match_table(struct psmouse *psmouse, struct alps_data *priv, 1844b5d6b851SKevin Cernekee unsigned char *e7, unsigned char *ec) 18452e992cc0SKevin Cernekee { 1846b5d6b851SKevin Cernekee const struct alps_model_info *model; 18472e992cc0SKevin Cernekee int i; 18482e992cc0SKevin Cernekee 1849b5d6b851SKevin Cernekee for (i = 0; i < ARRAY_SIZE(alps_model_data); i++) { 1850b5d6b851SKevin Cernekee model = &alps_model_data[i]; 1851b5d6b851SKevin Cernekee 1852b5d6b851SKevin Cernekee if (!memcmp(e7, model->signature, sizeof(model->signature)) && 1853b5d6b851SKevin Cernekee (!model->command_mode_resp || 1854b5d6b851SKevin Cernekee model->command_mode_resp == ec[2])) { 1855b5d6b851SKevin Cernekee 1856b5d6b851SKevin Cernekee priv->proto_version = model->proto_version; 185724af5cb9SKevin Cernekee alps_set_defaults(priv); 185824af5cb9SKevin Cernekee 1859b5d6b851SKevin Cernekee priv->flags = model->flags; 1860b5d6b851SKevin Cernekee priv->byte0 = model->byte0; 1861b5d6b851SKevin Cernekee priv->mask0 = model->mask0; 1862b5d6b851SKevin Cernekee 1863b5d6b851SKevin Cernekee return 0; 1864b5d6b851SKevin Cernekee } 1865b5d6b851SKevin Cernekee } 1866b5d6b851SKevin Cernekee 1867b5d6b851SKevin Cernekee return -EINVAL; 1868b5d6b851SKevin Cernekee } 1869b5d6b851SKevin Cernekee 1870b5d6b851SKevin Cernekee static int alps_identify(struct psmouse *psmouse, struct alps_data *priv) 1871b5d6b851SKevin Cernekee { 1872b5d6b851SKevin Cernekee unsigned char e6[4], e7[4], ec[4]; 1873b5d6b851SKevin Cernekee 18742e992cc0SKevin Cernekee /* 18752e992cc0SKevin Cernekee * First try "E6 report". 18762e992cc0SKevin Cernekee * ALPS should return 0,0,10 or 0,0,100 if no buttons are pressed. 18772e992cc0SKevin Cernekee * The bits 0-2 of the first byte will be 1s if some buttons are 18782e992cc0SKevin Cernekee * pressed. 18792e992cc0SKevin Cernekee */ 1880b5d6b851SKevin Cernekee if (alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES, 1881b5d6b851SKevin Cernekee PSMOUSE_CMD_SETSCALE11, e6)) 1882b5d6b851SKevin Cernekee return -EIO; 18832e992cc0SKevin Cernekee 1884b5d6b851SKevin Cernekee if ((e6[0] & 0xf8) != 0 || e6[1] != 0 || (e6[2] != 10 && e6[2] != 100)) 1885b5d6b851SKevin Cernekee return -EINVAL; 18862e992cc0SKevin Cernekee 18872e992cc0SKevin Cernekee /* 1888b5d6b851SKevin Cernekee * Now get the "E7" and "EC" reports. These will uniquely identify 1889b5d6b851SKevin Cernekee * most ALPS touchpads. 18902e992cc0SKevin Cernekee */ 1891b5d6b851SKevin Cernekee if (alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES, 1892b5d6b851SKevin Cernekee PSMOUSE_CMD_SETSCALE21, e7) || 1893b5d6b851SKevin Cernekee alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES, 1894b5d6b851SKevin Cernekee PSMOUSE_CMD_RESET_WRAP, ec) || 1895b5d6b851SKevin Cernekee alps_exit_command_mode(psmouse)) 1896b5d6b851SKevin Cernekee return -EIO; 18972e992cc0SKevin Cernekee 1898f673ceb1SKevin Cernekee if (alps_match_table(psmouse, priv, e7, ec) == 0) { 1899b5d6b851SKevin Cernekee return 0; 190075af9e56SDave Turvene } else if (e7[0] == 0x73 && e7[1] == 0x03 && e7[2] == 0x50 && 1901ee65d4b3SYunkang Tang ec[0] == 0x73 && (ec[1] == 0x01 || ec[1] == 0x02)) { 190275af9e56SDave Turvene priv->proto_version = ALPS_PROTO_V5; 190375af9e56SDave Turvene alps_set_defaults(priv); 1904ee65d4b3SYunkang Tang if (alps_dolphin_get_device_area(psmouse, priv)) 1905ee65d4b3SYunkang Tang return -EIO; 1906ee65d4b3SYunkang Tang else 190775af9e56SDave Turvene return 0; 19081302bac3SKevin Cernekee } else if (ec[0] == 0x88 && ec[1] == 0x08) { 19091302bac3SKevin Cernekee priv->proto_version = ALPS_PROTO_V3; 19101302bac3SKevin Cernekee alps_set_defaults(priv); 19111302bac3SKevin Cernekee 19121302bac3SKevin Cernekee priv->hw_init = alps_hw_init_rushmore_v3; 19131302bac3SKevin Cernekee priv->decode_fields = alps_decode_rushmore; 19141302bac3SKevin Cernekee priv->x_bits = 16; 19151302bac3SKevin Cernekee priv->y_bits = 12; 191640e8f53bSHans de Goede priv->flags |= ALPS_IS_RUSHMORE; 19171302bac3SKevin Cernekee 1918cd401204SKevin Cernekee /* hack to make addr_command, nibble_command available */ 1919cd401204SKevin Cernekee psmouse->private = priv; 1920cd401204SKevin Cernekee 1921cd401204SKevin Cernekee if (alps_probe_trackstick_v3(psmouse, ALPS_REG_BASE_RUSHMORE)) 1922cd401204SKevin Cernekee priv->flags &= ~ALPS_DUALPOINT; 1923cd401204SKevin Cernekee 19241302bac3SKevin Cernekee return 0; 1925f673ceb1SKevin Cernekee } else if (ec[0] == 0x88 && ec[1] == 0x07 && 1926f673ceb1SKevin Cernekee ec[2] >= 0x90 && ec[2] <= 0x9d) { 1927f673ceb1SKevin Cernekee priv->proto_version = ALPS_PROTO_V3; 1928f673ceb1SKevin Cernekee alps_set_defaults(priv); 1929f673ceb1SKevin Cernekee 1930f673ceb1SKevin Cernekee return 0; 1931f673ceb1SKevin Cernekee } 19322e992cc0SKevin Cernekee 1933b5d6b851SKevin Cernekee psmouse_info(psmouse, 193439fbe585SDmitry Torokhov "Unknown ALPS touchpad: E7=%3ph, EC=%3ph\n", e7, ec); 19352e992cc0SKevin Cernekee 1936b5d6b851SKevin Cernekee return -EINVAL; 19372e992cc0SKevin Cernekee } 19382e992cc0SKevin Cernekee 19391e0c5b12SDmitry Torokhov static int alps_reconnect(struct psmouse *psmouse) 19401e0c5b12SDmitry Torokhov { 1941b5d6b851SKevin Cernekee struct alps_data *priv = psmouse->private; 194271bb21b6SMaxim Levitsky 19431e0c5b12SDmitry Torokhov psmouse_reset(psmouse); 19441e0c5b12SDmitry Torokhov 1945b5d6b851SKevin Cernekee if (alps_identify(psmouse, priv) < 0) 19461e0c5b12SDmitry Torokhov return -1; 19471e0c5b12SDmitry Torokhov 194824af5cb9SKevin Cernekee return priv->hw_init(psmouse); 19491da177e4SLinus Torvalds } 19501da177e4SLinus Torvalds 19511da177e4SLinus Torvalds static void alps_disconnect(struct psmouse *psmouse) 19521da177e4SLinus Torvalds { 19531da177e4SLinus Torvalds struct alps_data *priv = psmouse->private; 19542e5b636bSDmitry Torokhov 19551da177e4SLinus Torvalds psmouse_reset(psmouse); 19561d9f2626SSebastian Kapfer del_timer_sync(&priv->timer); 19572e5b636bSDmitry Torokhov input_unregister_device(priv->dev2); 19581da177e4SLinus Torvalds kfree(priv); 19591da177e4SLinus Torvalds } 19601da177e4SLinus Torvalds 196124af5cb9SKevin Cernekee static void alps_set_abs_params_st(struct alps_data *priv, 196224af5cb9SKevin Cernekee struct input_dev *dev1) 196324af5cb9SKevin Cernekee { 196495f75e91SYunkang Tang input_set_abs_params(dev1, ABS_X, 0, priv->x_max, 0, 0); 196595f75e91SYunkang Tang input_set_abs_params(dev1, ABS_Y, 0, priv->y_max, 0, 0); 196624af5cb9SKevin Cernekee } 196724af5cb9SKevin Cernekee 196824af5cb9SKevin Cernekee static void alps_set_abs_params_mt(struct alps_data *priv, 196924af5cb9SKevin Cernekee struct input_dev *dev1) 197024af5cb9SKevin Cernekee { 19717a9f73e7SKevin Cernekee input_set_abs_params(dev1, ABS_MT_POSITION_X, 0, priv->x_max, 0, 0); 19727a9f73e7SKevin Cernekee input_set_abs_params(dev1, ABS_MT_POSITION_Y, 0, priv->y_max, 0, 0); 197324af5cb9SKevin Cernekee 1974cdf333efSHans de Goede input_mt_init_slots(dev1, MAX_TOUCHES, INPUT_MT_POINTER | 1975cdf333efSHans de Goede INPUT_MT_DROP_UNUSED | INPUT_MT_TRACK | INPUT_MT_SEMI_MT); 1976cdf333efSHans de Goede 197724af5cb9SKevin Cernekee set_bit(BTN_TOOL_TRIPLETAP, dev1->keybit); 197824af5cb9SKevin Cernekee set_bit(BTN_TOOL_QUADTAP, dev1->keybit); 197924af5cb9SKevin Cernekee } 198024af5cb9SKevin Cernekee 19811da177e4SLinus Torvalds int alps_init(struct psmouse *psmouse) 19821da177e4SLinus Torvalds { 19831da177e4SLinus Torvalds struct alps_data *priv; 19842e5b636bSDmitry Torokhov struct input_dev *dev1 = psmouse->dev, *dev2; 19851da177e4SLinus Torvalds 1986f42649e8SDmitry Torokhov priv = kzalloc(sizeof(struct alps_data), GFP_KERNEL); 19872e5b636bSDmitry Torokhov dev2 = input_allocate_device(); 19882e5b636bSDmitry Torokhov if (!priv || !dev2) 19891da177e4SLinus Torvalds goto init_fail; 19902e5b636bSDmitry Torokhov 19912e5b636bSDmitry Torokhov priv->dev2 = dev2; 19921d9f2626SSebastian Kapfer setup_timer(&priv->timer, alps_flush_packet, (unsigned long)psmouse); 19931d9f2626SSebastian Kapfer 19941e0c5b12SDmitry Torokhov psmouse->private = priv; 19951da177e4SLinus Torvalds 199625bded7cSSeth Forshee psmouse_reset(psmouse); 199725bded7cSSeth Forshee 1998b5d6b851SKevin Cernekee if (alps_identify(psmouse, priv) < 0) 199971bb21b6SMaxim Levitsky goto init_fail; 200071bb21b6SMaxim Levitsky 200124af5cb9SKevin Cernekee if (priv->hw_init(psmouse)) 20021da177e4SLinus Torvalds goto init_fail; 20031da177e4SLinus Torvalds 20047105d2eaSDmitry Torokhov /* 20057105d2eaSDmitry Torokhov * Undo part of setup done for us by psmouse core since touchpad 20067105d2eaSDmitry Torokhov * is not a relative device. 20077105d2eaSDmitry Torokhov */ 20087105d2eaSDmitry Torokhov __clear_bit(EV_REL, dev1->evbit); 20097105d2eaSDmitry Torokhov __clear_bit(REL_X, dev1->relbit); 20107105d2eaSDmitry Torokhov __clear_bit(REL_Y, dev1->relbit); 20117105d2eaSDmitry Torokhov 20127105d2eaSDmitry Torokhov /* 20137105d2eaSDmitry Torokhov * Now set up our capabilities. 20147105d2eaSDmitry Torokhov */ 20157b19ada2SJiri Slaby dev1->evbit[BIT_WORD(EV_KEY)] |= BIT_MASK(EV_KEY); 20167b19ada2SJiri Slaby dev1->keybit[BIT_WORD(BTN_TOUCH)] |= BIT_MASK(BTN_TOUCH); 20177b19ada2SJiri Slaby dev1->keybit[BIT_WORD(BTN_TOOL_FINGER)] |= BIT_MASK(BTN_TOOL_FINGER); 201871bb21b6SMaxim Levitsky dev1->keybit[BIT_WORD(BTN_LEFT)] |= 201971bb21b6SMaxim Levitsky BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_RIGHT); 20201da177e4SLinus Torvalds 20217b19ada2SJiri Slaby dev1->evbit[BIT_WORD(EV_ABS)] |= BIT_MASK(EV_ABS); 202225bded7cSSeth Forshee 202324af5cb9SKevin Cernekee priv->set_abs_params(priv, dev1); 20242e5b636bSDmitry Torokhov input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0); 20251da177e4SLinus Torvalds 202699df65e7SKevin Cernekee if (priv->flags & ALPS_WHEEL) { 20277b19ada2SJiri Slaby dev1->evbit[BIT_WORD(EV_REL)] |= BIT_MASK(EV_REL); 20287b19ada2SJiri Slaby dev1->relbit[BIT_WORD(REL_WHEEL)] |= BIT_MASK(REL_WHEEL); 20291da177e4SLinus Torvalds } 20301da177e4SLinus Torvalds 203199df65e7SKevin Cernekee if (priv->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) { 20327b19ada2SJiri Slaby dev1->keybit[BIT_WORD(BTN_FORWARD)] |= BIT_MASK(BTN_FORWARD); 20337b19ada2SJiri Slaby dev1->keybit[BIT_WORD(BTN_BACK)] |= BIT_MASK(BTN_BACK); 20341da177e4SLinus Torvalds } 20351da177e4SLinus Torvalds 203699df65e7SKevin Cernekee if (priv->flags & ALPS_FOUR_BUTTONS) { 203771bb21b6SMaxim Levitsky dev1->keybit[BIT_WORD(BTN_0)] |= BIT_MASK(BTN_0); 203871bb21b6SMaxim Levitsky dev1->keybit[BIT_WORD(BTN_1)] |= BIT_MASK(BTN_1); 203971bb21b6SMaxim Levitsky dev1->keybit[BIT_WORD(BTN_2)] |= BIT_MASK(BTN_2); 204071bb21b6SMaxim Levitsky dev1->keybit[BIT_WORD(BTN_3)] |= BIT_MASK(BTN_3); 204171bb21b6SMaxim Levitsky } else { 204271bb21b6SMaxim Levitsky dev1->keybit[BIT_WORD(BTN_MIDDLE)] |= BIT_MASK(BTN_MIDDLE); 204371bb21b6SMaxim Levitsky } 204471bb21b6SMaxim Levitsky 204508ffce45SDmitry Torokhov snprintf(priv->phys, sizeof(priv->phys), "%s/input1", psmouse->ps2dev.serio->phys); 20462e5b636bSDmitry Torokhov dev2->phys = priv->phys; 204799df65e7SKevin Cernekee dev2->name = (priv->flags & ALPS_DUALPOINT) ? 20489354f263SYunkang Tang "DualPoint Stick" : "ALPS PS/2 Device"; 20492e5b636bSDmitry Torokhov dev2->id.bustype = BUS_I8042; 20502e5b636bSDmitry Torokhov dev2->id.vendor = 0x0002; 20512e5b636bSDmitry Torokhov dev2->id.product = PSMOUSE_ALPS; 20522e5b636bSDmitry Torokhov dev2->id.version = 0x0000; 20531db3a345SDmitry Torokhov dev2->dev.parent = &psmouse->ps2dev.serio->dev; 20541da177e4SLinus Torvalds 20557b19ada2SJiri Slaby dev2->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); 205671bb21b6SMaxim Levitsky dev2->relbit[BIT_WORD(REL_X)] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); 205771bb21b6SMaxim Levitsky dev2->keybit[BIT_WORD(BTN_LEFT)] = 205871bb21b6SMaxim Levitsky BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); 20591da177e4SLinus Torvalds 2060f42649e8SDmitry Torokhov if (input_register_device(priv->dev2)) 2061f42649e8SDmitry Torokhov goto init_fail; 20621da177e4SLinus Torvalds 20631da177e4SLinus Torvalds psmouse->protocol_handler = alps_process_byte; 2064f0d5c6f4SDmitry Torokhov psmouse->poll = alps_poll; 20651da177e4SLinus Torvalds psmouse->disconnect = alps_disconnect; 20661da177e4SLinus Torvalds psmouse->reconnect = alps_reconnect; 206799df65e7SKevin Cernekee psmouse->pktsize = priv->proto_version == ALPS_PROTO_V4 ? 8 : 6; 20681da177e4SLinus Torvalds 2069f0d5c6f4SDmitry Torokhov /* We are having trouble resyncing ALPS touchpads so disable it for now */ 2070f0d5c6f4SDmitry Torokhov psmouse->resync_time = 0; 2071f0d5c6f4SDmitry Torokhov 20721da177e4SLinus Torvalds return 0; 20731da177e4SLinus Torvalds 20741da177e4SLinus Torvalds init_fail: 2075f42649e8SDmitry Torokhov psmouse_reset(psmouse); 20762e5b636bSDmitry Torokhov input_free_device(dev2); 20771da177e4SLinus Torvalds kfree(priv); 20781e0c5b12SDmitry Torokhov psmouse->private = NULL; 20791da177e4SLinus Torvalds return -1; 20801da177e4SLinus Torvalds } 20811da177e4SLinus Torvalds 2082b7802c5cSDmitry Torokhov int alps_detect(struct psmouse *psmouse, bool set_properties) 20831da177e4SLinus Torvalds { 2084b5d6b851SKevin Cernekee struct alps_data dummy; 20851da177e4SLinus Torvalds 2086b5d6b851SKevin Cernekee if (alps_identify(psmouse, &dummy) < 0) 20871da177e4SLinus Torvalds return -1; 20881da177e4SLinus Torvalds 20891da177e4SLinus Torvalds if (set_properties) { 20901da177e4SLinus Torvalds psmouse->vendor = "ALPS"; 2091b5d6b851SKevin Cernekee psmouse->name = dummy.flags & ALPS_DUALPOINT ? 2092968ac842SDmitry Torokhov "DualPoint TouchPad" : "GlidePoint"; 2093b5d6b851SKevin Cernekee psmouse->model = dummy.proto_version << 8; 20941da177e4SLinus Torvalds } 20951da177e4SLinus Torvalds return 0; 20961da177e4SLinus Torvalds } 20971da177e4SLinus Torvalds 2098