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 44425bded7cSSeth Forshee static void alps_process_trackstick_packet_v3(struct psmouse *psmouse) 44525bded7cSSeth Forshee { 44625bded7cSSeth Forshee struct alps_data *priv = psmouse->private; 44725bded7cSSeth Forshee unsigned char *packet = psmouse->packet; 44825bded7cSSeth Forshee struct input_dev *dev = priv->dev2; 44925bded7cSSeth Forshee int x, y, z, left, right, middle; 45025bded7cSSeth Forshee 45125bded7cSSeth Forshee /* Sanity check packet */ 45225bded7cSSeth Forshee if (!(packet[0] & 0x40)) { 45325bded7cSSeth Forshee psmouse_dbg(psmouse, "Bad trackstick packet, discarding\n"); 45425bded7cSSeth Forshee return; 45525bded7cSSeth Forshee } 45625bded7cSSeth Forshee 45725bded7cSSeth Forshee /* 45825bded7cSSeth Forshee * There's a special packet that seems to indicate the end 45925bded7cSSeth Forshee * of a stream of trackstick data. Filter these out. 46025bded7cSSeth Forshee */ 46125bded7cSSeth Forshee if (packet[1] == 0x7f && packet[2] == 0x7f && packet[4] == 0x7f) 46225bded7cSSeth Forshee return; 46325bded7cSSeth Forshee 46425bded7cSSeth Forshee x = (s8)(((packet[0] & 0x20) << 2) | (packet[1] & 0x7f)); 46525bded7cSSeth Forshee y = (s8)(((packet[0] & 0x10) << 3) | (packet[2] & 0x7f)); 46625bded7cSSeth Forshee z = (packet[4] & 0x7c) >> 2; 46725bded7cSSeth Forshee 46825bded7cSSeth Forshee /* 46925bded7cSSeth Forshee * The x and y values tend to be quite large, and when used 47025bded7cSSeth Forshee * alone the trackstick is difficult to use. Scale them down 47125bded7cSSeth Forshee * to compensate. 47225bded7cSSeth Forshee */ 47325bded7cSSeth Forshee x /= 8; 47425bded7cSSeth Forshee y /= 8; 47525bded7cSSeth Forshee 47625bded7cSSeth Forshee input_report_rel(dev, REL_X, x); 47725bded7cSSeth Forshee input_report_rel(dev, REL_Y, -y); 47825bded7cSSeth Forshee 47925bded7cSSeth Forshee /* 48025bded7cSSeth Forshee * Most ALPS models report the trackstick buttons in the touchpad 48125bded7cSSeth Forshee * packets, but a few report them here. No reliable way has been 48225bded7cSSeth Forshee * found to differentiate between the models upfront, so we enable 48325bded7cSSeth Forshee * the quirk in response to seeing a button press in the trackstick 48425bded7cSSeth Forshee * packet. 48525bded7cSSeth Forshee */ 48625bded7cSSeth Forshee left = packet[3] & 0x01; 48725bded7cSSeth Forshee right = packet[3] & 0x02; 48825bded7cSSeth Forshee middle = packet[3] & 0x04; 48925bded7cSSeth Forshee 49025bded7cSSeth Forshee if (!(priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS) && 49125bded7cSSeth Forshee (left || right || middle)) 49225bded7cSSeth Forshee priv->quirks |= ALPS_QUIRK_TRACKSTICK_BUTTONS; 49325bded7cSSeth Forshee 49425bded7cSSeth Forshee if (priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS) { 49525bded7cSSeth Forshee input_report_key(dev, BTN_LEFT, left); 49625bded7cSSeth Forshee input_report_key(dev, BTN_RIGHT, right); 49725bded7cSSeth Forshee input_report_key(dev, BTN_MIDDLE, middle); 49825bded7cSSeth Forshee } 49925bded7cSSeth Forshee 50025bded7cSSeth Forshee input_sync(dev); 50125bded7cSSeth Forshee return; 50225bded7cSSeth Forshee } 50325bded7cSSeth Forshee 504f85e5001SKevin Cernekee static void alps_decode_buttons_v3(struct alps_fields *f, unsigned char *p) 505f85e5001SKevin Cernekee { 506f85e5001SKevin Cernekee f->left = !!(p[3] & 0x01); 507f85e5001SKevin Cernekee f->right = !!(p[3] & 0x02); 508f85e5001SKevin Cernekee f->middle = !!(p[3] & 0x04); 509f85e5001SKevin Cernekee 510f85e5001SKevin Cernekee f->ts_left = !!(p[3] & 0x10); 511f85e5001SKevin Cernekee f->ts_right = !!(p[3] & 0x20); 512f85e5001SKevin Cernekee f->ts_middle = !!(p[3] & 0x40); 513f85e5001SKevin Cernekee } 514f85e5001SKevin Cernekee 515ee65d4b3SYunkang Tang static void alps_decode_pinnacle(struct alps_fields *f, unsigned char *p, 516ee65d4b3SYunkang Tang struct psmouse *psmouse) 517f85e5001SKevin Cernekee { 518f85e5001SKevin Cernekee f->first_mp = !!(p[4] & 0x40); 519f85e5001SKevin Cernekee f->is_mp = !!(p[0] & 0x40); 520f85e5001SKevin Cernekee 521f85e5001SKevin Cernekee f->fingers = (p[5] & 0x3) + 1; 522f85e5001SKevin Cernekee f->x_map = ((p[4] & 0x7e) << 8) | 523f85e5001SKevin Cernekee ((p[1] & 0x7f) << 2) | 524f85e5001SKevin Cernekee ((p[0] & 0x30) >> 4); 525f85e5001SKevin Cernekee f->y_map = ((p[3] & 0x70) << 4) | 526f85e5001SKevin Cernekee ((p[2] & 0x7f) << 1) | 527f85e5001SKevin Cernekee (p[4] & 0x01); 528f85e5001SKevin Cernekee 52902d04254SHans de Goede f->st.x = ((p[1] & 0x7f) << 4) | ((p[4] & 0x30) >> 2) | 530f85e5001SKevin Cernekee ((p[0] & 0x30) >> 4); 53102d04254SHans de Goede f->st.y = ((p[2] & 0x7f) << 4) | (p[4] & 0x0f); 53202d04254SHans de Goede f->pressure = p[5] & 0x7f; 533f85e5001SKevin Cernekee 534f85e5001SKevin Cernekee alps_decode_buttons_v3(f, p); 535f85e5001SKevin Cernekee } 536f85e5001SKevin Cernekee 537ee65d4b3SYunkang Tang static void alps_decode_rushmore(struct alps_fields *f, unsigned char *p, 538ee65d4b3SYunkang Tang struct psmouse *psmouse) 5391302bac3SKevin Cernekee { 540ee65d4b3SYunkang Tang alps_decode_pinnacle(f, p, psmouse); 5411302bac3SKevin Cernekee 542f105e34aSYunkang Tang /* Rushmore's packet decode has a bit difference with Pinnacle's */ 543f105e34aSYunkang Tang f->is_mp = !!(p[5] & 0x40); 544f105e34aSYunkang Tang f->fingers = max((p[5] & 0x3), ((p[5] >> 2) & 0x3)) + 1; 5451302bac3SKevin Cernekee f->x_map |= (p[5] & 0x10) << 11; 5461302bac3SKevin Cernekee f->y_map |= (p[5] & 0x20) << 6; 5471302bac3SKevin Cernekee } 5481302bac3SKevin Cernekee 549ee65d4b3SYunkang Tang static void alps_decode_dolphin(struct alps_fields *f, unsigned char *p, 550ee65d4b3SYunkang Tang struct psmouse *psmouse) 55175af9e56SDave Turvene { 552ee65d4b3SYunkang Tang u64 palm_data = 0; 553ee65d4b3SYunkang Tang struct alps_data *priv = psmouse->private; 554ee65d4b3SYunkang Tang 55575af9e56SDave Turvene f->first_mp = !!(p[0] & 0x02); 55675af9e56SDave Turvene f->is_mp = !!(p[0] & 0x20); 55775af9e56SDave Turvene 558ee65d4b3SYunkang Tang if (!f->is_mp) { 55902d04254SHans de Goede f->st.x = ((p[1] & 0x7f) | ((p[4] & 0x0f) << 7)); 56002d04254SHans de Goede f->st.y = ((p[2] & 0x7f) | ((p[4] & 0xf0) << 3)); 56102d04254SHans de Goede f->pressure = (p[0] & 4) ? 0 : p[5] & 0x7f; 56275af9e56SDave Turvene alps_decode_buttons_v3(f, p); 563ee65d4b3SYunkang Tang } else { 564ee65d4b3SYunkang Tang f->fingers = ((p[0] & 0x6) >> 1 | 565ee65d4b3SYunkang Tang (p[0] & 0x10) >> 2); 566ee65d4b3SYunkang Tang 567ee65d4b3SYunkang Tang palm_data = (p[1] & 0x7f) | 568ee65d4b3SYunkang Tang ((p[2] & 0x7f) << 7) | 569ee65d4b3SYunkang Tang ((p[4] & 0x7f) << 14) | 570ee65d4b3SYunkang Tang ((p[5] & 0x7f) << 21) | 571ee65d4b3SYunkang Tang ((p[3] & 0x07) << 28) | 572ee65d4b3SYunkang Tang (((u64)p[3] & 0x70) << 27) | 573ee65d4b3SYunkang Tang (((u64)p[0] & 0x01) << 34); 574ee65d4b3SYunkang Tang 575ee65d4b3SYunkang Tang /* Y-profile is stored in P(0) to p(n-1), n = y_bits; */ 576ee65d4b3SYunkang Tang f->y_map = palm_data & (BIT(priv->y_bits) - 1); 577ee65d4b3SYunkang Tang 578ee65d4b3SYunkang Tang /* X-profile is stored in p(n) to p(n+m-1), m = x_bits; */ 579ee65d4b3SYunkang Tang f->x_map = (palm_data >> priv->y_bits) & 580ee65d4b3SYunkang Tang (BIT(priv->x_bits) - 1); 581ee65d4b3SYunkang Tang } 58275af9e56SDave Turvene } 58375af9e56SDave Turvene 584ee65d4b3SYunkang Tang static void alps_process_touchpad_packet_v3_v5(struct psmouse *psmouse) 58525bded7cSSeth Forshee { 58625bded7cSSeth Forshee struct alps_data *priv = psmouse->private; 58725bded7cSSeth Forshee unsigned char *packet = psmouse->packet; 58825bded7cSSeth Forshee struct input_dev *dev = psmouse->dev; 58925bded7cSSeth Forshee struct input_dev *dev2 = priv->dev2; 59002d04254SHans de Goede struct alps_fields *f = &priv->f; 59102d04254SHans de Goede int fingers = 0; 592f85e5001SKevin Cernekee 59302d04254SHans de Goede memset(f, 0, sizeof(*f)); 59402d04254SHans de Goede 59502d04254SHans de Goede priv->decode_fields(f, packet, psmouse); 59625bded7cSSeth Forshee 59725bded7cSSeth Forshee /* 59801ce661fSSeth Forshee * There's no single feature of touchpad position and bitmap packets 59901ce661fSSeth Forshee * that can be used to distinguish between them. We rely on the fact 60001ce661fSSeth Forshee * that a bitmap packet should always follow a position packet with 60101ce661fSSeth Forshee * bit 6 of packet[4] set. 60225bded7cSSeth Forshee */ 60325bded7cSSeth Forshee if (priv->multi_packet) { 60425bded7cSSeth Forshee /* 60525bded7cSSeth Forshee * Sometimes a position packet will indicate a multi-packet 60625bded7cSSeth Forshee * sequence, but then what follows is another position 60725bded7cSSeth Forshee * packet. Check for this, and when it happens process the 60825bded7cSSeth Forshee * position packet as usual. 60925bded7cSSeth Forshee */ 61002d04254SHans de Goede if (f->is_mp) { 61102d04254SHans de Goede fingers = f->fingers; 612ee65d4b3SYunkang Tang if (priv->proto_version == ALPS_PROTO_V3) { 61302d04254SHans de Goede if (alps_process_bitmap(priv, f) == 0) 61420bea68bSHans de Goede fingers = 0; /* Use st data */ 61501ce661fSSeth Forshee 61601ce661fSSeth Forshee /* Now process position packet */ 61702d04254SHans de Goede priv->decode_fields(f, priv->multi_data, 618ee65d4b3SYunkang Tang psmouse); 619ee65d4b3SYunkang Tang } else { 620ee65d4b3SYunkang Tang /* 621ee65d4b3SYunkang Tang * Because Dolphin uses position packet's 622ee65d4b3SYunkang Tang * coordinate data as Pt1 and uses it to 623ee65d4b3SYunkang Tang * calculate Pt2, so we need to do position 624ee65d4b3SYunkang Tang * packet decode first. 625ee65d4b3SYunkang Tang */ 62602d04254SHans de Goede priv->decode_fields(f, priv->multi_data, 627ee65d4b3SYunkang Tang psmouse); 628ee65d4b3SYunkang Tang 629ee65d4b3SYunkang Tang /* 630ee65d4b3SYunkang Tang * Since Dolphin's finger number is reliable, 631ee65d4b3SYunkang Tang * there is no need to compare with bmap_fn. 632ee65d4b3SYunkang Tang */ 63302d04254SHans de Goede alps_process_bitmap_dolphin(priv, f); 634ee65d4b3SYunkang Tang } 63501ce661fSSeth Forshee } else { 63601ce661fSSeth Forshee priv->multi_packet = 0; 63725bded7cSSeth Forshee } 63825bded7cSSeth Forshee } 63925bded7cSSeth Forshee 64001ce661fSSeth Forshee /* 64101ce661fSSeth Forshee * Bit 6 of byte 0 is not usually set in position packets. The only 64201ce661fSSeth Forshee * times it seems to be set is in situations where the data is 64301ce661fSSeth Forshee * suspect anyway, e.g. a palm resting flat on the touchpad. Given 64401ce661fSSeth Forshee * this combined with the fact that this bit is useful for filtering 64501ce661fSSeth Forshee * out misidentified bitmap packets, we reject anything with this 64601ce661fSSeth Forshee * bit set. 64701ce661fSSeth Forshee */ 64802d04254SHans de Goede if (f->is_mp) 64901ce661fSSeth Forshee return; 65001ce661fSSeth Forshee 65102d04254SHans de Goede if (!priv->multi_packet && f->first_mp) { 65225bded7cSSeth Forshee priv->multi_packet = 1; 65301ce661fSSeth Forshee memcpy(priv->multi_data, packet, sizeof(priv->multi_data)); 65401ce661fSSeth Forshee return; 65501ce661fSSeth Forshee } 65601ce661fSSeth Forshee 65725bded7cSSeth Forshee priv->multi_packet = 0; 65825bded7cSSeth Forshee 65925bded7cSSeth Forshee /* 66025bded7cSSeth Forshee * Sometimes the hardware sends a single packet with z = 0 66125bded7cSSeth Forshee * in the middle of a stream. Real releases generate packets 66225bded7cSSeth Forshee * with x, y, and z all zero, so these seem to be flukes. 66325bded7cSSeth Forshee * Ignore them. 66425bded7cSSeth Forshee */ 66502d04254SHans de Goede if (f->st.x && f->st.y && !f->pressure) 66625bded7cSSeth Forshee return; 66725bded7cSSeth Forshee 66801ce661fSSeth Forshee /* 66901ce661fSSeth Forshee * If we don't have MT data or the bitmaps were empty, we have 67001ce661fSSeth Forshee * to rely on ST data. 67101ce661fSSeth Forshee */ 67201ce661fSSeth Forshee if (!fingers) { 67302d04254SHans de Goede f->mt[0].x = f->st.x; 67402d04254SHans de Goede f->mt[0].y = f->st.y; 67502d04254SHans de Goede fingers = f->pressure > 0 ? 1 : 0; 67601ce661fSSeth Forshee } 67701ce661fSSeth Forshee 678cdf333efSHans de Goede alps_report_mt_data(psmouse, (fingers <= 2) ? fingers : 1); 67901ce661fSSeth Forshee 680616575c2SDmitry Torokhov input_mt_report_finger_count(dev, fingers); 68101ce661fSSeth Forshee 68202d04254SHans de Goede input_report_key(dev, BTN_LEFT, f->left); 68302d04254SHans de Goede input_report_key(dev, BTN_RIGHT, f->right); 68402d04254SHans de Goede input_report_key(dev, BTN_MIDDLE, f->middle); 68501ce661fSSeth Forshee 68602d04254SHans de Goede input_report_abs(dev, ABS_PRESSURE, f->pressure); 68725bded7cSSeth Forshee 68825bded7cSSeth Forshee input_sync(dev); 68925bded7cSSeth Forshee 69025bded7cSSeth Forshee if (!(priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS)) { 69102d04254SHans de Goede input_report_key(dev2, BTN_LEFT, f->ts_left); 69202d04254SHans de Goede input_report_key(dev2, BTN_RIGHT, f->ts_right); 69302d04254SHans de Goede input_report_key(dev2, BTN_MIDDLE, f->ts_middle); 69425bded7cSSeth Forshee input_sync(dev2); 69525bded7cSSeth Forshee } 69625bded7cSSeth Forshee } 69725bded7cSSeth Forshee 69825bded7cSSeth Forshee static void alps_process_packet_v3(struct psmouse *psmouse) 69925bded7cSSeth Forshee { 70025bded7cSSeth Forshee unsigned char *packet = psmouse->packet; 70125bded7cSSeth Forshee 70225bded7cSSeth Forshee /* 70325bded7cSSeth Forshee * v3 protocol packets come in three types, two representing 70425bded7cSSeth Forshee * touchpad data and one representing trackstick data. 70525bded7cSSeth Forshee * Trackstick packets seem to be distinguished by always 70625bded7cSSeth Forshee * having 0x3f in the last byte. This value has never been 70725bded7cSSeth Forshee * observed in the last byte of either of the other types 70825bded7cSSeth Forshee * of packets. 70925bded7cSSeth Forshee */ 71025bded7cSSeth Forshee if (packet[5] == 0x3f) { 71125bded7cSSeth Forshee alps_process_trackstick_packet_v3(psmouse); 71225bded7cSSeth Forshee return; 71325bded7cSSeth Forshee } 71425bded7cSSeth Forshee 715ee65d4b3SYunkang Tang alps_process_touchpad_packet_v3_v5(psmouse); 71625bded7cSSeth Forshee } 71725bded7cSSeth Forshee 71895f75e91SYunkang Tang static void alps_process_packet_v6(struct psmouse *psmouse) 71995f75e91SYunkang Tang { 72095f75e91SYunkang Tang struct alps_data *priv = psmouse->private; 72195f75e91SYunkang Tang unsigned char *packet = psmouse->packet; 72295f75e91SYunkang Tang struct input_dev *dev = psmouse->dev; 72395f75e91SYunkang Tang struct input_dev *dev2 = priv->dev2; 72495f75e91SYunkang Tang int x, y, z, left, right, middle; 72595f75e91SYunkang Tang 72695f75e91SYunkang Tang /* 72795f75e91SYunkang Tang * We can use Byte5 to distinguish if the packet is from Touchpad 72895f75e91SYunkang Tang * or Trackpoint. 72995f75e91SYunkang Tang * Touchpad: 0 - 0x7E 73095f75e91SYunkang Tang * Trackpoint: 0x7F 73195f75e91SYunkang Tang */ 73295f75e91SYunkang Tang if (packet[5] == 0x7F) { 73395f75e91SYunkang Tang /* It should be a DualPoint when received Trackpoint packet */ 73495f75e91SYunkang Tang if (!(priv->flags & ALPS_DUALPOINT)) 73595f75e91SYunkang Tang return; 73695f75e91SYunkang Tang 73795f75e91SYunkang Tang /* Trackpoint packet */ 73895f75e91SYunkang Tang x = packet[1] | ((packet[3] & 0x20) << 2); 73995f75e91SYunkang Tang y = packet[2] | ((packet[3] & 0x40) << 1); 74095f75e91SYunkang Tang z = packet[4]; 74195f75e91SYunkang Tang left = packet[3] & 0x01; 74295f75e91SYunkang Tang right = packet[3] & 0x02; 74395f75e91SYunkang Tang middle = packet[3] & 0x04; 74495f75e91SYunkang Tang 74595f75e91SYunkang Tang /* To prevent the cursor jump when finger lifted */ 74695f75e91SYunkang Tang if (x == 0x7F && y == 0x7F && z == 0x7F) 74795f75e91SYunkang Tang x = y = z = 0; 74895f75e91SYunkang Tang 74995f75e91SYunkang Tang /* Divide 4 since trackpoint's speed is too fast */ 75095f75e91SYunkang Tang input_report_rel(dev2, REL_X, (char)x / 4); 75195f75e91SYunkang Tang input_report_rel(dev2, REL_Y, -((char)y / 4)); 75295f75e91SYunkang Tang 75395f75e91SYunkang Tang input_report_key(dev2, BTN_LEFT, left); 75495f75e91SYunkang Tang input_report_key(dev2, BTN_RIGHT, right); 75595f75e91SYunkang Tang input_report_key(dev2, BTN_MIDDLE, middle); 75695f75e91SYunkang Tang 75795f75e91SYunkang Tang input_sync(dev2); 75895f75e91SYunkang Tang return; 75995f75e91SYunkang Tang } 76095f75e91SYunkang Tang 76195f75e91SYunkang Tang /* Touchpad packet */ 76295f75e91SYunkang Tang x = packet[1] | ((packet[3] & 0x78) << 4); 76395f75e91SYunkang Tang y = packet[2] | ((packet[4] & 0x78) << 4); 76495f75e91SYunkang Tang z = packet[5]; 76595f75e91SYunkang Tang left = packet[3] & 0x01; 76695f75e91SYunkang Tang right = packet[3] & 0x02; 76795f75e91SYunkang Tang 76895f75e91SYunkang Tang if (z > 30) 76995f75e91SYunkang Tang input_report_key(dev, BTN_TOUCH, 1); 77095f75e91SYunkang Tang if (z < 25) 77195f75e91SYunkang Tang input_report_key(dev, BTN_TOUCH, 0); 77295f75e91SYunkang Tang 77395f75e91SYunkang Tang if (z > 0) { 77495f75e91SYunkang Tang input_report_abs(dev, ABS_X, x); 77595f75e91SYunkang Tang input_report_abs(dev, ABS_Y, y); 77695f75e91SYunkang Tang } 77795f75e91SYunkang Tang 77895f75e91SYunkang Tang input_report_abs(dev, ABS_PRESSURE, z); 77995f75e91SYunkang Tang input_report_key(dev, BTN_TOOL_FINGER, z > 0); 78095f75e91SYunkang Tang 78195f75e91SYunkang Tang /* v6 touchpad does not have middle button */ 78295f75e91SYunkang Tang input_report_key(dev, BTN_LEFT, left); 78395f75e91SYunkang Tang input_report_key(dev, BTN_RIGHT, right); 78495f75e91SYunkang Tang 78595f75e91SYunkang Tang input_sync(dev); 78695f75e91SYunkang Tang } 78795f75e91SYunkang Tang 78825bded7cSSeth Forshee static void alps_process_packet_v4(struct psmouse *psmouse) 78925bded7cSSeth Forshee { 7903b7e09faSGeorge Pantalos struct alps_data *priv = psmouse->private; 79125bded7cSSeth Forshee unsigned char *packet = psmouse->packet; 79225bded7cSSeth Forshee struct input_dev *dev = psmouse->dev; 79302d04254SHans de Goede struct alps_fields *f = &priv->f; 79402d04254SHans de Goede int offset, fingers = 0; 7953b7e09faSGeorge Pantalos 7963b7e09faSGeorge Pantalos /* 7973b7e09faSGeorge Pantalos * v4 has a 6-byte encoding for bitmap data, but this data is 7983b7e09faSGeorge Pantalos * broken up between 3 normal packets. Use priv->multi_packet to 7993b7e09faSGeorge Pantalos * track our position in the bitmap packet. 8003b7e09faSGeorge Pantalos */ 8013b7e09faSGeorge Pantalos if (packet[6] & 0x40) { 8023b7e09faSGeorge Pantalos /* sync, reset position */ 8033b7e09faSGeorge Pantalos priv->multi_packet = 0; 8043b7e09faSGeorge Pantalos } 8053b7e09faSGeorge Pantalos 8063b7e09faSGeorge Pantalos if (WARN_ON_ONCE(priv->multi_packet > 2)) 8073b7e09faSGeorge Pantalos return; 8083b7e09faSGeorge Pantalos 8093b7e09faSGeorge Pantalos offset = 2 * priv->multi_packet; 8103b7e09faSGeorge Pantalos priv->multi_data[offset] = packet[6]; 8113b7e09faSGeorge Pantalos priv->multi_data[offset + 1] = packet[7]; 8123b7e09faSGeorge Pantalos 8133b7e09faSGeorge Pantalos if (++priv->multi_packet > 2) { 8143b7e09faSGeorge Pantalos priv->multi_packet = 0; 8153b7e09faSGeorge Pantalos 81602d04254SHans de Goede f->x_map = ((priv->multi_data[2] & 0x1f) << 10) | 8173b7e09faSGeorge Pantalos ((priv->multi_data[3] & 0x60) << 3) | 8183b7e09faSGeorge Pantalos ((priv->multi_data[0] & 0x3f) << 2) | 8193b7e09faSGeorge Pantalos ((priv->multi_data[1] & 0x60) >> 5); 82002d04254SHans de Goede f->y_map = ((priv->multi_data[5] & 0x01) << 10) | 8213b7e09faSGeorge Pantalos ((priv->multi_data[3] & 0x1f) << 5) | 8223b7e09faSGeorge Pantalos (priv->multi_data[1] & 0x1f); 8233b7e09faSGeorge Pantalos 82402d04254SHans de Goede f->fingers = alps_process_bitmap(priv, f); 8253b7e09faSGeorge Pantalos } 82625bded7cSSeth Forshee 82702d04254SHans de Goede f->left = packet[4] & 0x01; 82802d04254SHans de Goede f->right = packet[4] & 0x02; 82925bded7cSSeth Forshee 83002d04254SHans de Goede f->st.x = ((packet[1] & 0x7f) << 4) | ((packet[3] & 0x30) >> 2) | 83125bded7cSSeth Forshee ((packet[0] & 0x30) >> 4); 83202d04254SHans de Goede f->st.y = ((packet[2] & 0x7f) << 4) | (packet[3] & 0x0f); 83302d04254SHans de Goede f->pressure = packet[5] & 0x7f; 83425bded7cSSeth Forshee 8353b7e09faSGeorge Pantalos /* 8363b7e09faSGeorge Pantalos * If there were no contacts in the bitmap, use ST 8373b7e09faSGeorge Pantalos * points in MT reports. 8383b7e09faSGeorge Pantalos * If there were two contacts or more, report MT data. 8393b7e09faSGeorge Pantalos */ 84002d04254SHans de Goede if (f->fingers < 2) { 84102d04254SHans de Goede f->mt[0].x = f->st.x; 84202d04254SHans de Goede f->mt[0].y = f->st.y; 84302d04254SHans de Goede fingers = f->pressure > 0 ? 1 : 0; 8443b7e09faSGeorge Pantalos } else { 84502d04254SHans de Goede fingers = f->fingers; 8463b7e09faSGeorge Pantalos } 8473b7e09faSGeorge Pantalos 848cdf333efSHans de Goede alps_report_mt_data(psmouse, (fingers <= 2) ? fingers : 1); 8493b7e09faSGeorge Pantalos 850616575c2SDmitry Torokhov input_mt_report_finger_count(dev, fingers); 8513b7e09faSGeorge Pantalos 85202d04254SHans de Goede input_report_key(dev, BTN_LEFT, f->left); 85302d04254SHans de Goede input_report_key(dev, BTN_RIGHT, f->right); 8543b7e09faSGeorge Pantalos 85502d04254SHans de Goede input_report_abs(dev, ABS_PRESSURE, f->pressure); 85625bded7cSSeth Forshee 85725bded7cSSeth Forshee input_sync(dev); 85825bded7cSSeth Forshee } 85925bded7cSSeth Forshee 8601d9f2626SSebastian Kapfer static void alps_report_bare_ps2_packet(struct psmouse *psmouse, 8611d9f2626SSebastian Kapfer unsigned char packet[], 8621d9f2626SSebastian Kapfer bool report_buttons) 8631d9f2626SSebastian Kapfer { 8641d9f2626SSebastian Kapfer struct alps_data *priv = psmouse->private; 8651d9f2626SSebastian Kapfer struct input_dev *dev2 = priv->dev2; 8661d9f2626SSebastian Kapfer 8671d9f2626SSebastian Kapfer if (report_buttons) 8681d9f2626SSebastian Kapfer alps_report_buttons(psmouse, dev2, psmouse->dev, 8691d9f2626SSebastian Kapfer packet[0] & 1, packet[0] & 2, packet[0] & 4); 8701d9f2626SSebastian Kapfer 8711d9f2626SSebastian Kapfer input_report_rel(dev2, REL_X, 8721d9f2626SSebastian Kapfer packet[1] ? packet[1] - ((packet[0] << 4) & 0x100) : 0); 8731d9f2626SSebastian Kapfer input_report_rel(dev2, REL_Y, 8741d9f2626SSebastian Kapfer packet[2] ? ((packet[0] << 3) & 0x100) - packet[2] : 0); 8751d9f2626SSebastian Kapfer 8761d9f2626SSebastian Kapfer input_sync(dev2); 8771d9f2626SSebastian Kapfer } 8781d9f2626SSebastian Kapfer 8791d9f2626SSebastian Kapfer static psmouse_ret_t alps_handle_interleaved_ps2(struct psmouse *psmouse) 8801da177e4SLinus Torvalds { 8811da177e4SLinus Torvalds struct alps_data *priv = psmouse->private; 8821da177e4SLinus Torvalds 8831d9f2626SSebastian Kapfer if (psmouse->pktcnt < 6) 8841d9f2626SSebastian Kapfer return PSMOUSE_GOOD_DATA; 8851d9f2626SSebastian Kapfer 8861d9f2626SSebastian Kapfer if (psmouse->pktcnt == 6) { 8871d9f2626SSebastian Kapfer /* 8881d9f2626SSebastian Kapfer * Start a timer to flush the packet if it ends up last 8891d9f2626SSebastian Kapfer * 6-byte packet in the stream. Timer needs to fire 8901d9f2626SSebastian Kapfer * psmouse core times out itself. 20 ms should be enough 8911d9f2626SSebastian Kapfer * to decide if we are getting more data or not. 8921d9f2626SSebastian Kapfer */ 8931d9f2626SSebastian Kapfer mod_timer(&priv->timer, jiffies + msecs_to_jiffies(20)); 8941d9f2626SSebastian Kapfer return PSMOUSE_GOOD_DATA; 8951d9f2626SSebastian Kapfer } 8961d9f2626SSebastian Kapfer 8971d9f2626SSebastian Kapfer del_timer(&priv->timer); 8981d9f2626SSebastian Kapfer 8991d9f2626SSebastian Kapfer if (psmouse->packet[6] & 0x80) { 9001d9f2626SSebastian Kapfer 9011d9f2626SSebastian Kapfer /* 9021d9f2626SSebastian Kapfer * Highest bit is set - that means we either had 9031d9f2626SSebastian Kapfer * complete ALPS packet and this is start of the 9041d9f2626SSebastian Kapfer * next packet or we got garbage. 9051d9f2626SSebastian Kapfer */ 9061d9f2626SSebastian Kapfer 9071d9f2626SSebastian Kapfer if (((psmouse->packet[3] | 9081d9f2626SSebastian Kapfer psmouse->packet[4] | 9091d9f2626SSebastian Kapfer psmouse->packet[5]) & 0x80) || 91099df65e7SKevin Cernekee (!alps_is_valid_first_byte(priv, psmouse->packet[6]))) { 911b5d21704SDmitry Torokhov psmouse_dbg(psmouse, 9123b112923SAndy Shevchenko "refusing packet %4ph (suspected interleaved ps/2)\n", 9133b112923SAndy Shevchenko psmouse->packet + 3); 9141d9f2626SSebastian Kapfer return PSMOUSE_BAD_DATA; 9151d9f2626SSebastian Kapfer } 9161d9f2626SSebastian Kapfer 91724af5cb9SKevin Cernekee priv->process_packet(psmouse); 9181d9f2626SSebastian Kapfer 9191d9f2626SSebastian Kapfer /* Continue with the next packet */ 9201d9f2626SSebastian Kapfer psmouse->packet[0] = psmouse->packet[6]; 9211d9f2626SSebastian Kapfer psmouse->pktcnt = 1; 9221d9f2626SSebastian Kapfer 9231d9f2626SSebastian Kapfer } else { 9241d9f2626SSebastian Kapfer 9251d9f2626SSebastian Kapfer /* 9261d9f2626SSebastian Kapfer * High bit is 0 - that means that we indeed got a PS/2 9271d9f2626SSebastian Kapfer * packet in the middle of ALPS packet. 9281d9f2626SSebastian Kapfer * 9291d9f2626SSebastian Kapfer * There is also possibility that we got 6-byte ALPS 9301d9f2626SSebastian Kapfer * packet followed by 3-byte packet from trackpoint. We 9311d9f2626SSebastian Kapfer * can not distinguish between these 2 scenarios but 932b5d21704SDmitry Torokhov * because the latter is unlikely to happen in course of 9331d9f2626SSebastian Kapfer * normal operation (user would need to press all 9341d9f2626SSebastian Kapfer * buttons on the pad and start moving trackpoint 9351d9f2626SSebastian Kapfer * without touching the pad surface) we assume former. 9361d9f2626SSebastian Kapfer * Even if we are wrong the wost thing that would happen 9371d9f2626SSebastian Kapfer * the cursor would jump but we should not get protocol 938b5d21704SDmitry Torokhov * de-synchronization. 9391d9f2626SSebastian Kapfer */ 9401d9f2626SSebastian Kapfer 9411d9f2626SSebastian Kapfer alps_report_bare_ps2_packet(psmouse, &psmouse->packet[3], 9421d9f2626SSebastian Kapfer false); 9431d9f2626SSebastian Kapfer 9441d9f2626SSebastian Kapfer /* 9451d9f2626SSebastian Kapfer * Continue with the standard ALPS protocol handling, 9461d9f2626SSebastian Kapfer * but make sure we won't process it as an interleaved 9471d9f2626SSebastian Kapfer * packet again, which may happen if all buttons are 9481d9f2626SSebastian Kapfer * pressed. To avoid this let's reset the 4th bit which 9491d9f2626SSebastian Kapfer * is normally 1. 9501d9f2626SSebastian Kapfer */ 9511d9f2626SSebastian Kapfer psmouse->packet[3] = psmouse->packet[6] & 0xf7; 9521d9f2626SSebastian Kapfer psmouse->pktcnt = 4; 9531d9f2626SSebastian Kapfer } 9541d9f2626SSebastian Kapfer 9551d9f2626SSebastian Kapfer return PSMOUSE_GOOD_DATA; 9561d9f2626SSebastian Kapfer } 9571d9f2626SSebastian Kapfer 9581d9f2626SSebastian Kapfer static void alps_flush_packet(unsigned long data) 9591d9f2626SSebastian Kapfer { 9601d9f2626SSebastian Kapfer struct psmouse *psmouse = (struct psmouse *)data; 96124af5cb9SKevin Cernekee struct alps_data *priv = psmouse->private; 9621d9f2626SSebastian Kapfer 9631d9f2626SSebastian Kapfer serio_pause_rx(psmouse->ps2dev.serio); 9641d9f2626SSebastian Kapfer 965b46615feSSeth Forshee if (psmouse->pktcnt == psmouse->pktsize) { 9661d9f2626SSebastian Kapfer 9671d9f2626SSebastian Kapfer /* 9681d9f2626SSebastian Kapfer * We did not any more data in reasonable amount of time. 9691d9f2626SSebastian Kapfer * Validate the last 3 bytes and process as a standard 9701d9f2626SSebastian Kapfer * ALPS packet. 9711d9f2626SSebastian Kapfer */ 9721d9f2626SSebastian Kapfer if ((psmouse->packet[3] | 9731d9f2626SSebastian Kapfer psmouse->packet[4] | 9741d9f2626SSebastian Kapfer psmouse->packet[5]) & 0x80) { 975b5d21704SDmitry Torokhov psmouse_dbg(psmouse, 9763b112923SAndy Shevchenko "refusing packet %3ph (suspected interleaved ps/2)\n", 9773b112923SAndy Shevchenko psmouse->packet + 3); 9781d9f2626SSebastian Kapfer } else { 97924af5cb9SKevin Cernekee priv->process_packet(psmouse); 9801d9f2626SSebastian Kapfer } 9811d9f2626SSebastian Kapfer psmouse->pktcnt = 0; 9821d9f2626SSebastian Kapfer } 9831d9f2626SSebastian Kapfer 9841d9f2626SSebastian Kapfer serio_continue_rx(psmouse->ps2dev.serio); 9851d9f2626SSebastian Kapfer } 9861d9f2626SSebastian Kapfer 9871d9f2626SSebastian Kapfer static psmouse_ret_t alps_process_byte(struct psmouse *psmouse) 9881d9f2626SSebastian Kapfer { 9891d9f2626SSebastian Kapfer struct alps_data *priv = psmouse->private; 9901d9f2626SSebastian Kapfer 9911da177e4SLinus Torvalds if ((psmouse->packet[0] & 0xc8) == 0x08) { /* PS/2 packet */ 9921da177e4SLinus Torvalds if (psmouse->pktcnt == 3) { 9931d9f2626SSebastian Kapfer alps_report_bare_ps2_packet(psmouse, psmouse->packet, 9941d9f2626SSebastian Kapfer true); 9951da177e4SLinus Torvalds return PSMOUSE_FULL_PACKET; 9961da177e4SLinus Torvalds } 9971da177e4SLinus Torvalds return PSMOUSE_GOOD_DATA; 9981da177e4SLinus Torvalds } 9991da177e4SLinus Torvalds 10001d9f2626SSebastian Kapfer /* Check for PS/2 packet stuffed in the middle of ALPS packet. */ 10011d9f2626SSebastian Kapfer 100299df65e7SKevin Cernekee if ((priv->flags & ALPS_PS2_INTERLEAVED) && 10031d9f2626SSebastian Kapfer psmouse->pktcnt >= 4 && (psmouse->packet[3] & 0x0f) == 0x0f) { 10041d9f2626SSebastian Kapfer return alps_handle_interleaved_ps2(psmouse); 10051d9f2626SSebastian Kapfer } 10061d9f2626SSebastian Kapfer 100799df65e7SKevin Cernekee if (!alps_is_valid_first_byte(priv, psmouse->packet[0])) { 1008b5d21704SDmitry Torokhov psmouse_dbg(psmouse, 1009b5d21704SDmitry Torokhov "refusing packet[0] = %x (mask0 = %x, byte0 = %x)\n", 101099df65e7SKevin Cernekee psmouse->packet[0], priv->mask0, priv->byte0); 10111da177e4SLinus Torvalds return PSMOUSE_BAD_DATA; 10121d9f2626SSebastian Kapfer } 10131da177e4SLinus Torvalds 1014b46615feSSeth Forshee /* Bytes 2 - pktsize should have 0 in the highest bit */ 101595f75e91SYunkang Tang if ((priv->proto_version < ALPS_PROTO_V5) && 101675af9e56SDave Turvene psmouse->pktcnt >= 2 && psmouse->pktcnt <= psmouse->pktsize && 10171d9f2626SSebastian Kapfer (psmouse->packet[psmouse->pktcnt - 1] & 0x80)) { 1018b5d21704SDmitry Torokhov psmouse_dbg(psmouse, "refusing packet[%i] = %x\n", 1019b5d21704SDmitry Torokhov psmouse->pktcnt - 1, 1020b5d21704SDmitry Torokhov psmouse->packet[psmouse->pktcnt - 1]); 10211da177e4SLinus Torvalds return PSMOUSE_BAD_DATA; 10221d9f2626SSebastian Kapfer } 10231da177e4SLinus Torvalds 1024b46615feSSeth Forshee if (psmouse->pktcnt == psmouse->pktsize) { 102524af5cb9SKevin Cernekee priv->process_packet(psmouse); 10261da177e4SLinus Torvalds return PSMOUSE_FULL_PACKET; 10271da177e4SLinus Torvalds } 10281da177e4SLinus Torvalds 10291da177e4SLinus Torvalds return PSMOUSE_GOOD_DATA; 10301da177e4SLinus Torvalds } 10311da177e4SLinus Torvalds 103225bded7cSSeth Forshee static int alps_command_mode_send_nibble(struct psmouse *psmouse, int nibble) 103325bded7cSSeth Forshee { 103425bded7cSSeth Forshee struct ps2dev *ps2dev = &psmouse->ps2dev; 103525bded7cSSeth Forshee struct alps_data *priv = psmouse->private; 103625bded7cSSeth Forshee int command; 103725bded7cSSeth Forshee unsigned char *param; 103825bded7cSSeth Forshee unsigned char dummy[4]; 103925bded7cSSeth Forshee 104025bded7cSSeth Forshee BUG_ON(nibble > 0xf); 104125bded7cSSeth Forshee 104225bded7cSSeth Forshee command = priv->nibble_commands[nibble].command; 104325bded7cSSeth Forshee param = (command & 0x0f00) ? 104425bded7cSSeth Forshee dummy : (unsigned char *)&priv->nibble_commands[nibble].data; 104525bded7cSSeth Forshee 104625bded7cSSeth Forshee if (ps2_command(ps2dev, param, command)) 104725bded7cSSeth Forshee return -1; 104825bded7cSSeth Forshee 104925bded7cSSeth Forshee return 0; 105025bded7cSSeth Forshee } 105125bded7cSSeth Forshee 105225bded7cSSeth Forshee static int alps_command_mode_set_addr(struct psmouse *psmouse, int addr) 105325bded7cSSeth Forshee { 105425bded7cSSeth Forshee struct ps2dev *ps2dev = &psmouse->ps2dev; 105525bded7cSSeth Forshee struct alps_data *priv = psmouse->private; 105625bded7cSSeth Forshee int i, nibble; 105725bded7cSSeth Forshee 105825bded7cSSeth Forshee if (ps2_command(ps2dev, NULL, priv->addr_command)) 105925bded7cSSeth Forshee return -1; 106025bded7cSSeth Forshee 106125bded7cSSeth Forshee for (i = 12; i >= 0; i -= 4) { 106225bded7cSSeth Forshee nibble = (addr >> i) & 0xf; 106325bded7cSSeth Forshee if (alps_command_mode_send_nibble(psmouse, nibble)) 106425bded7cSSeth Forshee return -1; 106525bded7cSSeth Forshee } 106625bded7cSSeth Forshee 106725bded7cSSeth Forshee return 0; 106825bded7cSSeth Forshee } 106925bded7cSSeth Forshee 107025bded7cSSeth Forshee static int __alps_command_mode_read_reg(struct psmouse *psmouse, int addr) 107125bded7cSSeth Forshee { 107225bded7cSSeth Forshee struct ps2dev *ps2dev = &psmouse->ps2dev; 107325bded7cSSeth Forshee unsigned char param[4]; 107425bded7cSSeth Forshee 107525bded7cSSeth Forshee if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) 107625bded7cSSeth Forshee return -1; 107725bded7cSSeth Forshee 107825bded7cSSeth Forshee /* 107925bded7cSSeth Forshee * The address being read is returned in the first two bytes 108025bded7cSSeth Forshee * of the result. Check that this address matches the expected 108125bded7cSSeth Forshee * address. 108225bded7cSSeth Forshee */ 108325bded7cSSeth Forshee if (addr != ((param[0] << 8) | param[1])) 108425bded7cSSeth Forshee return -1; 108525bded7cSSeth Forshee 108625bded7cSSeth Forshee return param[2]; 108725bded7cSSeth Forshee } 108825bded7cSSeth Forshee 108925bded7cSSeth Forshee static int alps_command_mode_read_reg(struct psmouse *psmouse, int addr) 109025bded7cSSeth Forshee { 109125bded7cSSeth Forshee if (alps_command_mode_set_addr(psmouse, addr)) 109225bded7cSSeth Forshee return -1; 109325bded7cSSeth Forshee return __alps_command_mode_read_reg(psmouse, addr); 109425bded7cSSeth Forshee } 109525bded7cSSeth Forshee 109625bded7cSSeth Forshee static int __alps_command_mode_write_reg(struct psmouse *psmouse, u8 value) 109725bded7cSSeth Forshee { 109825bded7cSSeth Forshee if (alps_command_mode_send_nibble(psmouse, (value >> 4) & 0xf)) 109925bded7cSSeth Forshee return -1; 110025bded7cSSeth Forshee if (alps_command_mode_send_nibble(psmouse, value & 0xf)) 110125bded7cSSeth Forshee return -1; 110225bded7cSSeth Forshee return 0; 110325bded7cSSeth Forshee } 110425bded7cSSeth Forshee 110525bded7cSSeth Forshee static int alps_command_mode_write_reg(struct psmouse *psmouse, int addr, 110625bded7cSSeth Forshee u8 value) 110725bded7cSSeth Forshee { 110825bded7cSSeth Forshee if (alps_command_mode_set_addr(psmouse, addr)) 110925bded7cSSeth Forshee return -1; 111025bded7cSSeth Forshee return __alps_command_mode_write_reg(psmouse, value); 111125bded7cSSeth Forshee } 111225bded7cSSeth Forshee 111324ba9707SKevin Cernekee static int alps_rpt_cmd(struct psmouse *psmouse, int init_command, 111424ba9707SKevin Cernekee int repeated_command, unsigned char *param) 111524ba9707SKevin Cernekee { 111624ba9707SKevin Cernekee struct ps2dev *ps2dev = &psmouse->ps2dev; 111724ba9707SKevin Cernekee 111824ba9707SKevin Cernekee param[0] = 0; 111924ba9707SKevin Cernekee if (init_command && ps2_command(ps2dev, param, init_command)) 112024ba9707SKevin Cernekee return -EIO; 112124ba9707SKevin Cernekee 112224ba9707SKevin Cernekee if (ps2_command(ps2dev, NULL, repeated_command) || 112324ba9707SKevin Cernekee ps2_command(ps2dev, NULL, repeated_command) || 112424ba9707SKevin Cernekee ps2_command(ps2dev, NULL, repeated_command)) 112524ba9707SKevin Cernekee return -EIO; 112624ba9707SKevin Cernekee 112724ba9707SKevin Cernekee param[0] = param[1] = param[2] = 0xff; 112824ba9707SKevin Cernekee if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) 112924ba9707SKevin Cernekee return -EIO; 113024ba9707SKevin Cernekee 113139fbe585SDmitry Torokhov psmouse_dbg(psmouse, "%2.2X report: %3ph\n", 113239fbe585SDmitry Torokhov repeated_command, param); 113324ba9707SKevin Cernekee return 0; 113424ba9707SKevin Cernekee } 113524ba9707SKevin Cernekee 1136d18e53fcSKevin Cernekee static int alps_enter_command_mode(struct psmouse *psmouse) 113725bded7cSSeth Forshee { 113825bded7cSSeth Forshee unsigned char param[4]; 113925bded7cSSeth Forshee 114024ba9707SKevin Cernekee if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_RESET_WRAP, param)) { 114125bded7cSSeth Forshee psmouse_err(psmouse, "failed to enter command mode\n"); 114225bded7cSSeth Forshee return -1; 114325bded7cSSeth Forshee } 114425bded7cSSeth Forshee 114575af9e56SDave Turvene if ((param[0] != 0x88 || (param[1] != 0x07 && param[1] != 0x08)) && 114675af9e56SDave Turvene param[0] != 0x73) { 114725bded7cSSeth Forshee psmouse_dbg(psmouse, 114824ba9707SKevin Cernekee "unknown response while entering command mode\n"); 114925bded7cSSeth Forshee return -1; 115025bded7cSSeth Forshee } 115125bded7cSSeth Forshee return 0; 115225bded7cSSeth Forshee } 115325bded7cSSeth Forshee 115425bded7cSSeth Forshee static inline int alps_exit_command_mode(struct psmouse *psmouse) 115525bded7cSSeth Forshee { 115625bded7cSSeth Forshee struct ps2dev *ps2dev = &psmouse->ps2dev; 115725bded7cSSeth Forshee if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM)) 115825bded7cSSeth Forshee return -1; 115925bded7cSSeth Forshee return 0; 116025bded7cSSeth Forshee } 116125bded7cSSeth Forshee 11621da177e4SLinus Torvalds /* 11631da177e4SLinus Torvalds * For DualPoint devices select the device that should respond to 11641da177e4SLinus Torvalds * subsequent commands. It looks like glidepad is behind stickpointer, 11651da177e4SLinus Torvalds * I'd thought it would be other way around... 11661da177e4SLinus Torvalds */ 116725bded7cSSeth Forshee static int alps_passthrough_mode_v2(struct psmouse *psmouse, bool enable) 11681da177e4SLinus Torvalds { 11691da177e4SLinus Torvalds struct ps2dev *ps2dev = &psmouse->ps2dev; 11701da177e4SLinus Torvalds int cmd = enable ? PSMOUSE_CMD_SETSCALE21 : PSMOUSE_CMD_SETSCALE11; 11711da177e4SLinus Torvalds 11721da177e4SLinus Torvalds if (ps2_command(ps2dev, NULL, cmd) || 11731da177e4SLinus Torvalds ps2_command(ps2dev, NULL, cmd) || 11741da177e4SLinus Torvalds ps2_command(ps2dev, NULL, cmd) || 11751da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE)) 11761da177e4SLinus Torvalds return -1; 11771da177e4SLinus Torvalds 11781da177e4SLinus Torvalds /* we may get 3 more bytes, just ignore them */ 1179c611763dSDmitry Torokhov ps2_drain(ps2dev, 3, 100); 11801da177e4SLinus Torvalds 11811da177e4SLinus Torvalds return 0; 11821da177e4SLinus Torvalds } 11831da177e4SLinus Torvalds 118425bded7cSSeth Forshee static int alps_absolute_mode_v1_v2(struct psmouse *psmouse) 11851da177e4SLinus Torvalds { 11861da177e4SLinus Torvalds struct ps2dev *ps2dev = &psmouse->ps2dev; 11871da177e4SLinus Torvalds 11881da177e4SLinus Torvalds /* Try ALPS magic knock - 4 disable before enable */ 11891da177e4SLinus Torvalds if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 11901da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 11911da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 11921da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 11931da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) 11941da177e4SLinus Torvalds return -1; 11951da177e4SLinus Torvalds 11961da177e4SLinus Torvalds /* 11971da177e4SLinus Torvalds * Switch mouse to poll (remote) mode so motion data will not 11981da177e4SLinus Torvalds * get in our way 11991da177e4SLinus Torvalds */ 12001da177e4SLinus Torvalds return ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETPOLL); 12011da177e4SLinus Torvalds } 12021da177e4SLinus Torvalds 120395f75e91SYunkang Tang static int alps_monitor_mode_send_word(struct psmouse *psmouse, u16 word) 120495f75e91SYunkang Tang { 120595f75e91SYunkang Tang int i, nibble; 120695f75e91SYunkang Tang 120795f75e91SYunkang Tang /* 120895f75e91SYunkang Tang * b0-b11 are valid bits, send sequence is inverse. 120995f75e91SYunkang Tang * e.g. when word = 0x0123, nibble send sequence is 3, 2, 1 121095f75e91SYunkang Tang */ 121195f75e91SYunkang Tang for (i = 0; i <= 8; i += 4) { 121295f75e91SYunkang Tang nibble = (word >> i) & 0xf; 121395f75e91SYunkang Tang if (alps_command_mode_send_nibble(psmouse, nibble)) 121495f75e91SYunkang Tang return -1; 121595f75e91SYunkang Tang } 121695f75e91SYunkang Tang 121795f75e91SYunkang Tang return 0; 121895f75e91SYunkang Tang } 121995f75e91SYunkang Tang 122095f75e91SYunkang Tang static int alps_monitor_mode_write_reg(struct psmouse *psmouse, 122195f75e91SYunkang Tang u16 addr, u16 value) 122295f75e91SYunkang Tang { 122395f75e91SYunkang Tang struct ps2dev *ps2dev = &psmouse->ps2dev; 122495f75e91SYunkang Tang 122595f75e91SYunkang Tang /* 0x0A0 is the command to write the word */ 122695f75e91SYunkang Tang if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE) || 122795f75e91SYunkang Tang alps_monitor_mode_send_word(psmouse, 0x0A0) || 122895f75e91SYunkang Tang alps_monitor_mode_send_word(psmouse, addr) || 122995f75e91SYunkang Tang alps_monitor_mode_send_word(psmouse, value) || 123095f75e91SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE)) 123195f75e91SYunkang Tang return -1; 123295f75e91SYunkang Tang 123395f75e91SYunkang Tang return 0; 123495f75e91SYunkang Tang } 123595f75e91SYunkang Tang 123695f75e91SYunkang Tang static int alps_monitor_mode(struct psmouse *psmouse, bool enable) 123795f75e91SYunkang Tang { 123895f75e91SYunkang Tang struct ps2dev *ps2dev = &psmouse->ps2dev; 123995f75e91SYunkang Tang 124095f75e91SYunkang Tang if (enable) { 124195f75e91SYunkang Tang /* EC E9 F5 F5 E7 E6 E7 E9 to enter monitor mode */ 124295f75e91SYunkang Tang if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP) || 124395f75e91SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_GETINFO) || 124495f75e91SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 124595f75e91SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 124695f75e91SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) || 124795f75e91SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 124895f75e91SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) || 124995f75e91SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_GETINFO)) 125095f75e91SYunkang Tang return -1; 125195f75e91SYunkang Tang } else { 125295f75e91SYunkang Tang /* EC to exit monitor mode */ 125395f75e91SYunkang Tang if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP)) 125495f75e91SYunkang Tang return -1; 125595f75e91SYunkang Tang } 125695f75e91SYunkang Tang 125795f75e91SYunkang Tang return 0; 125895f75e91SYunkang Tang } 125995f75e91SYunkang Tang 126095f75e91SYunkang Tang static int alps_absolute_mode_v6(struct psmouse *psmouse) 126195f75e91SYunkang Tang { 126295f75e91SYunkang Tang u16 reg_val = 0x181; 126395f75e91SYunkang Tang int ret = -1; 126495f75e91SYunkang Tang 126595f75e91SYunkang Tang /* enter monitor mode, to write the register */ 126695f75e91SYunkang Tang if (alps_monitor_mode(psmouse, true)) 126795f75e91SYunkang Tang return -1; 126895f75e91SYunkang Tang 126995f75e91SYunkang Tang ret = alps_monitor_mode_write_reg(psmouse, 0x000, reg_val); 127095f75e91SYunkang Tang 127195f75e91SYunkang Tang if (alps_monitor_mode(psmouse, false)) 127295f75e91SYunkang Tang ret = -1; 127395f75e91SYunkang Tang 127495f75e91SYunkang Tang return ret; 127595f75e91SYunkang Tang } 127695f75e91SYunkang Tang 12771da177e4SLinus Torvalds static int alps_get_status(struct psmouse *psmouse, char *param) 12781da177e4SLinus Torvalds { 12791da177e4SLinus Torvalds /* Get status: 0xF5 0xF5 0xF5 0xE9 */ 128024ba9707SKevin Cernekee if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_DISABLE, param)) 12811da177e4SLinus Torvalds return -1; 12821da177e4SLinus Torvalds 12831da177e4SLinus Torvalds return 0; 12841da177e4SLinus Torvalds } 12851da177e4SLinus Torvalds 12861da177e4SLinus Torvalds /* 12871da177e4SLinus Torvalds * Turn touchpad tapping on or off. The sequences are: 12881da177e4SLinus Torvalds * 0xE9 0xF5 0xF5 0xF3 0x0A to enable, 12891da177e4SLinus Torvalds * 0xE9 0xF5 0xF5 0xE8 0x00 to disable. 12901da177e4SLinus Torvalds * My guess that 0xE9 (GetInfo) is here as a sync point. 12911da177e4SLinus Torvalds * For models that also have stickpointer (DualPoints) its tapping 12921da177e4SLinus Torvalds * is controlled separately (0xE6 0xE6 0xE6 0xF3 0x14|0x0A) but 12931da177e4SLinus Torvalds * we don't fiddle with it. 12941da177e4SLinus Torvalds */ 12951da177e4SLinus Torvalds static int alps_tap_mode(struct psmouse *psmouse, int enable) 12961da177e4SLinus Torvalds { 12971da177e4SLinus Torvalds struct ps2dev *ps2dev = &psmouse->ps2dev; 12981da177e4SLinus Torvalds int cmd = enable ? PSMOUSE_CMD_SETRATE : PSMOUSE_CMD_SETRES; 12991da177e4SLinus Torvalds unsigned char tap_arg = enable ? 0x0A : 0x00; 13001da177e4SLinus Torvalds unsigned char param[4]; 13011da177e4SLinus Torvalds 13021da177e4SLinus Torvalds if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO) || 13031da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 13041da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 13051da177e4SLinus Torvalds ps2_command(ps2dev, &tap_arg, cmd)) 13061da177e4SLinus Torvalds return -1; 13071da177e4SLinus Torvalds 13081da177e4SLinus Torvalds if (alps_get_status(psmouse, param)) 13091da177e4SLinus Torvalds return -1; 13101da177e4SLinus Torvalds 13111da177e4SLinus Torvalds return 0; 13121da177e4SLinus Torvalds } 13131da177e4SLinus Torvalds 1314f0d5c6f4SDmitry Torokhov /* 1315f0d5c6f4SDmitry Torokhov * alps_poll() - poll the touchpad for current motion packet. 1316f0d5c6f4SDmitry Torokhov * Used in resync. 1317f0d5c6f4SDmitry Torokhov */ 1318f0d5c6f4SDmitry Torokhov static int alps_poll(struct psmouse *psmouse) 1319f0d5c6f4SDmitry Torokhov { 1320f0d5c6f4SDmitry Torokhov struct alps_data *priv = psmouse->private; 1321b46615feSSeth Forshee unsigned char buf[sizeof(psmouse->packet)]; 1322b7802c5cSDmitry Torokhov bool poll_failed; 1323f0d5c6f4SDmitry Torokhov 132499df65e7SKevin Cernekee if (priv->flags & ALPS_PASS) 132525bded7cSSeth Forshee alps_passthrough_mode_v2(psmouse, true); 1326f0d5c6f4SDmitry Torokhov 1327f0d5c6f4SDmitry Torokhov poll_failed = ps2_command(&psmouse->ps2dev, buf, 1328f0d5c6f4SDmitry Torokhov PSMOUSE_CMD_POLL | (psmouse->pktsize << 8)) < 0; 1329f0d5c6f4SDmitry Torokhov 133099df65e7SKevin Cernekee if (priv->flags & ALPS_PASS) 133125bded7cSSeth Forshee alps_passthrough_mode_v2(psmouse, false); 1332f0d5c6f4SDmitry Torokhov 133399df65e7SKevin Cernekee if (poll_failed || (buf[0] & priv->mask0) != priv->byte0) 1334f0d5c6f4SDmitry Torokhov return -1; 1335f0d5c6f4SDmitry Torokhov 1336f0d5c6f4SDmitry Torokhov if ((psmouse->badbyte & 0xc8) == 0x08) { 1337f0d5c6f4SDmitry Torokhov /* 1338f0d5c6f4SDmitry Torokhov * Poll the track stick ... 1339f0d5c6f4SDmitry Torokhov */ 1340f0d5c6f4SDmitry Torokhov if (ps2_command(&psmouse->ps2dev, buf, PSMOUSE_CMD_POLL | (3 << 8))) 1341f0d5c6f4SDmitry Torokhov return -1; 1342f0d5c6f4SDmitry Torokhov } 1343f0d5c6f4SDmitry Torokhov 1344f0d5c6f4SDmitry Torokhov memcpy(psmouse->packet, buf, sizeof(buf)); 1345f0d5c6f4SDmitry Torokhov return 0; 1346f0d5c6f4SDmitry Torokhov } 1347f0d5c6f4SDmitry Torokhov 134825bded7cSSeth Forshee static int alps_hw_init_v1_v2(struct psmouse *psmouse) 13491da177e4SLinus Torvalds { 13501da177e4SLinus Torvalds struct alps_data *priv = psmouse->private; 13511da177e4SLinus Torvalds 135299df65e7SKevin Cernekee if ((priv->flags & ALPS_PASS) && 135325bded7cSSeth Forshee alps_passthrough_mode_v2(psmouse, true)) { 13541da177e4SLinus Torvalds return -1; 1355b7802c5cSDmitry Torokhov } 13561da177e4SLinus Torvalds 1357b7802c5cSDmitry Torokhov if (alps_tap_mode(psmouse, true)) { 1358b5d21704SDmitry Torokhov psmouse_warn(psmouse, "Failed to enable hardware tapping\n"); 13591da177e4SLinus Torvalds return -1; 1360963f626dSPeter Osterlund } 13611da177e4SLinus Torvalds 136225bded7cSSeth Forshee if (alps_absolute_mode_v1_v2(psmouse)) { 1363b5d21704SDmitry Torokhov psmouse_err(psmouse, "Failed to enable absolute mode\n"); 13641da177e4SLinus Torvalds return -1; 13651da177e4SLinus Torvalds } 13661da177e4SLinus Torvalds 136799df65e7SKevin Cernekee if ((priv->flags & ALPS_PASS) && 136825bded7cSSeth Forshee alps_passthrough_mode_v2(psmouse, false)) { 13691da177e4SLinus Torvalds return -1; 1370b7802c5cSDmitry Torokhov } 13711da177e4SLinus Torvalds 13721e0c5b12SDmitry Torokhov /* ALPS needs stream mode, otherwise it won't report any data */ 13731e0c5b12SDmitry Torokhov if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSTREAM)) { 1374b5d21704SDmitry Torokhov psmouse_err(psmouse, "Failed to enable stream mode\n"); 13751e0c5b12SDmitry Torokhov return -1; 13761e0c5b12SDmitry Torokhov } 13771e0c5b12SDmitry Torokhov 13781e0c5b12SDmitry Torokhov return 0; 13791e0c5b12SDmitry Torokhov } 13801e0c5b12SDmitry Torokhov 138195f75e91SYunkang Tang static int alps_hw_init_v6(struct psmouse *psmouse) 138295f75e91SYunkang Tang { 138395f75e91SYunkang Tang unsigned char param[2] = {0xC8, 0x14}; 138495f75e91SYunkang Tang 138595f75e91SYunkang Tang /* Enter passthrough mode to let trackpoint enter 6byte raw mode */ 138695f75e91SYunkang Tang if (alps_passthrough_mode_v2(psmouse, true)) 138795f75e91SYunkang Tang return -1; 138895f75e91SYunkang Tang 138995f75e91SYunkang Tang if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 139095f75e91SYunkang Tang ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 139195f75e91SYunkang Tang ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 139295f75e91SYunkang Tang ps2_command(&psmouse->ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || 139395f75e91SYunkang Tang ps2_command(&psmouse->ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE)) 139495f75e91SYunkang Tang return -1; 139595f75e91SYunkang Tang 139695f75e91SYunkang Tang if (alps_passthrough_mode_v2(psmouse, false)) 139795f75e91SYunkang Tang return -1; 139895f75e91SYunkang Tang 139995f75e91SYunkang Tang if (alps_absolute_mode_v6(psmouse)) { 140095f75e91SYunkang Tang psmouse_err(psmouse, "Failed to enable absolute mode\n"); 140195f75e91SYunkang Tang return -1; 140295f75e91SYunkang Tang } 140395f75e91SYunkang Tang 140495f75e91SYunkang Tang return 0; 140595f75e91SYunkang Tang } 140695f75e91SYunkang Tang 140725bded7cSSeth Forshee /* 1408cd401204SKevin Cernekee * Enable or disable passthrough mode to the trackstick. 140925bded7cSSeth Forshee */ 1410cd401204SKevin Cernekee static int alps_passthrough_mode_v3(struct psmouse *psmouse, 1411cd401204SKevin Cernekee int reg_base, bool enable) 141225bded7cSSeth Forshee { 1413cd401204SKevin Cernekee int reg_val, ret = -1; 141425bded7cSSeth Forshee 1415d18e53fcSKevin Cernekee if (alps_enter_command_mode(psmouse)) 141625bded7cSSeth Forshee return -1; 141725bded7cSSeth Forshee 1418cd401204SKevin Cernekee reg_val = alps_command_mode_read_reg(psmouse, reg_base + 0x0008); 1419cd401204SKevin Cernekee if (reg_val == -1) 1420cd401204SKevin Cernekee goto error; 1421cd401204SKevin Cernekee 142225bded7cSSeth Forshee if (enable) 142325bded7cSSeth Forshee reg_val |= 0x01; 142425bded7cSSeth Forshee else 142525bded7cSSeth Forshee reg_val &= ~0x01; 142625bded7cSSeth Forshee 1427cd401204SKevin Cernekee ret = __alps_command_mode_write_reg(psmouse, reg_val); 142825bded7cSSeth Forshee 1429cd401204SKevin Cernekee error: 1430cd401204SKevin Cernekee if (alps_exit_command_mode(psmouse)) 1431cd401204SKevin Cernekee ret = -1; 1432cd401204SKevin Cernekee return ret; 143325bded7cSSeth Forshee } 143425bded7cSSeth Forshee 143525bded7cSSeth Forshee /* Must be in command mode when calling this function */ 143625bded7cSSeth Forshee static int alps_absolute_mode_v3(struct psmouse *psmouse) 143725bded7cSSeth Forshee { 143825bded7cSSeth Forshee int reg_val; 143925bded7cSSeth Forshee 144025bded7cSSeth Forshee reg_val = alps_command_mode_read_reg(psmouse, 0x0004); 144125bded7cSSeth Forshee if (reg_val == -1) 144225bded7cSSeth Forshee return -1; 144325bded7cSSeth Forshee 144425bded7cSSeth Forshee reg_val |= 0x06; 144525bded7cSSeth Forshee if (__alps_command_mode_write_reg(psmouse, reg_val)) 144625bded7cSSeth Forshee return -1; 144725bded7cSSeth Forshee 144825bded7cSSeth Forshee return 0; 144925bded7cSSeth Forshee } 145025bded7cSSeth Forshee 1451cd401204SKevin Cernekee static int alps_probe_trackstick_v3(struct psmouse *psmouse, int reg_base) 145225bded7cSSeth Forshee { 1453cd401204SKevin Cernekee int ret = -EIO, reg_val; 145425bded7cSSeth Forshee 1455d18e53fcSKevin Cernekee if (alps_enter_command_mode(psmouse)) 145625bded7cSSeth Forshee goto error; 145725bded7cSSeth Forshee 1458cd401204SKevin Cernekee reg_val = alps_command_mode_read_reg(psmouse, reg_base + 0x08); 145925bded7cSSeth Forshee if (reg_val == -1) 146025bded7cSSeth Forshee goto error; 1461cd401204SKevin Cernekee 1462cd401204SKevin Cernekee /* bit 7: trackstick is present */ 1463cd401204SKevin Cernekee ret = reg_val & 0x80 ? 0 : -ENODEV; 1464cd401204SKevin Cernekee 1465cd401204SKevin Cernekee error: 1466cd401204SKevin Cernekee alps_exit_command_mode(psmouse); 1467cd401204SKevin Cernekee return ret; 1468cd401204SKevin Cernekee } 1469cd401204SKevin Cernekee 1470cd401204SKevin Cernekee static int alps_setup_trackstick_v3(struct psmouse *psmouse, int reg_base) 1471cd401204SKevin Cernekee { 1472cd401204SKevin Cernekee struct ps2dev *ps2dev = &psmouse->ps2dev; 1473cd401204SKevin Cernekee int ret = 0; 1474cd401204SKevin Cernekee unsigned char param[4]; 1475cd401204SKevin Cernekee 1476cd401204SKevin Cernekee if (alps_passthrough_mode_v3(psmouse, reg_base, true)) 1477cd401204SKevin Cernekee return -EIO; 147825bded7cSSeth Forshee 147925bded7cSSeth Forshee /* 148025bded7cSSeth Forshee * E7 report for the trackstick 148125bded7cSSeth Forshee * 148225bded7cSSeth Forshee * There have been reports of failures to seem to trace back 148325bded7cSSeth Forshee * to the above trackstick check failing. When these occur 148425bded7cSSeth Forshee * this E7 report fails, so when that happens we continue 148525bded7cSSeth Forshee * with the assumption that there isn't a trackstick after 148625bded7cSSeth Forshee * all. 148725bded7cSSeth Forshee */ 1488cd401204SKevin Cernekee if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_SETSCALE21, param)) { 148925bded7cSSeth Forshee psmouse_warn(psmouse, "trackstick E7 report failed\n"); 1490cd401204SKevin Cernekee ret = -ENODEV; 149125bded7cSSeth Forshee } else { 149239fbe585SDmitry Torokhov psmouse_dbg(psmouse, "trackstick E7 report: %3ph\n", param); 149325bded7cSSeth Forshee 149425bded7cSSeth Forshee /* 149525bded7cSSeth Forshee * Not sure what this does, but it is absolutely 149625bded7cSSeth Forshee * essential. Without it, the touchpad does not 149725bded7cSSeth Forshee * work at all and the trackstick just emits normal 149825bded7cSSeth Forshee * PS/2 packets. 149925bded7cSSeth Forshee */ 150025bded7cSSeth Forshee if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 150125bded7cSSeth Forshee ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 150225bded7cSSeth Forshee ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 150325bded7cSSeth Forshee alps_command_mode_send_nibble(psmouse, 0x9) || 150425bded7cSSeth Forshee alps_command_mode_send_nibble(psmouse, 0x4)) { 150525bded7cSSeth Forshee psmouse_err(psmouse, 150625bded7cSSeth Forshee "Error sending magic E6 sequence\n"); 1507cd401204SKevin Cernekee ret = -EIO; 150825bded7cSSeth Forshee goto error; 150925bded7cSSeth Forshee } 151025bded7cSSeth Forshee 1511cd401204SKevin Cernekee /* 1512cd401204SKevin Cernekee * This ensures the trackstick packets are in the format 1513cd401204SKevin Cernekee * supported by this driver. If bit 1 isn't set the packet 1514cd401204SKevin Cernekee * format is different. 1515cd401204SKevin Cernekee */ 1516d18e53fcSKevin Cernekee if (alps_enter_command_mode(psmouse) || 1517cd401204SKevin Cernekee alps_command_mode_write_reg(psmouse, 1518cd401204SKevin Cernekee reg_base + 0x08, 0x82) || 1519cd401204SKevin Cernekee alps_exit_command_mode(psmouse)) 1520cd401204SKevin Cernekee ret = -EIO; 1521cd401204SKevin Cernekee } 1522cd401204SKevin Cernekee 1523cd401204SKevin Cernekee error: 1524cd401204SKevin Cernekee if (alps_passthrough_mode_v3(psmouse, reg_base, false)) 1525cd401204SKevin Cernekee ret = -EIO; 1526cd401204SKevin Cernekee 1527cd401204SKevin Cernekee return ret; 1528cd401204SKevin Cernekee } 1529cd401204SKevin Cernekee 1530cd401204SKevin Cernekee static int alps_hw_init_v3(struct psmouse *psmouse) 1531cd401204SKevin Cernekee { 1532cd401204SKevin Cernekee struct ps2dev *ps2dev = &psmouse->ps2dev; 1533cd401204SKevin Cernekee int reg_val; 1534cd401204SKevin Cernekee unsigned char param[4]; 1535cd401204SKevin Cernekee 1536cd401204SKevin Cernekee reg_val = alps_probe_trackstick_v3(psmouse, ALPS_REG_BASE_PINNACLE); 1537cd401204SKevin Cernekee if (reg_val == -EIO) 1538cd401204SKevin Cernekee goto error; 153939fbe585SDmitry Torokhov 1540cd401204SKevin Cernekee if (reg_val == 0 && 1541cd401204SKevin Cernekee alps_setup_trackstick_v3(psmouse, ALPS_REG_BASE_PINNACLE) == -EIO) 1542cd401204SKevin Cernekee goto error; 1543cd401204SKevin Cernekee 1544d18e53fcSKevin Cernekee if (alps_enter_command_mode(psmouse) || 1545cd401204SKevin Cernekee alps_absolute_mode_v3(psmouse)) { 154625bded7cSSeth Forshee psmouse_err(psmouse, "Failed to enter absolute mode\n"); 154725bded7cSSeth Forshee goto error; 154825bded7cSSeth Forshee } 154925bded7cSSeth Forshee 155025bded7cSSeth Forshee reg_val = alps_command_mode_read_reg(psmouse, 0x0006); 155125bded7cSSeth Forshee if (reg_val == -1) 155225bded7cSSeth Forshee goto error; 155325bded7cSSeth Forshee if (__alps_command_mode_write_reg(psmouse, reg_val | 0x01)) 155425bded7cSSeth Forshee goto error; 155525bded7cSSeth Forshee 155625bded7cSSeth Forshee reg_val = alps_command_mode_read_reg(psmouse, 0x0007); 155725bded7cSSeth Forshee if (reg_val == -1) 155825bded7cSSeth Forshee goto error; 155925bded7cSSeth Forshee if (__alps_command_mode_write_reg(psmouse, reg_val | 0x01)) 156025bded7cSSeth Forshee goto error; 156125bded7cSSeth Forshee 156225bded7cSSeth Forshee if (alps_command_mode_read_reg(psmouse, 0x0144) == -1) 156325bded7cSSeth Forshee goto error; 156425bded7cSSeth Forshee if (__alps_command_mode_write_reg(psmouse, 0x04)) 156525bded7cSSeth Forshee goto error; 156625bded7cSSeth Forshee 156725bded7cSSeth Forshee if (alps_command_mode_read_reg(psmouse, 0x0159) == -1) 156825bded7cSSeth Forshee goto error; 156925bded7cSSeth Forshee if (__alps_command_mode_write_reg(psmouse, 0x03)) 157025bded7cSSeth Forshee goto error; 157125bded7cSSeth Forshee 157225bded7cSSeth Forshee if (alps_command_mode_read_reg(psmouse, 0x0163) == -1) 157325bded7cSSeth Forshee goto error; 157425bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x0163, 0x03)) 157525bded7cSSeth Forshee goto error; 157625bded7cSSeth Forshee 157725bded7cSSeth Forshee if (alps_command_mode_read_reg(psmouse, 0x0162) == -1) 157825bded7cSSeth Forshee goto error; 157925bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x0162, 0x04)) 158025bded7cSSeth Forshee goto error; 158125bded7cSSeth Forshee 158225bded7cSSeth Forshee alps_exit_command_mode(psmouse); 158325bded7cSSeth Forshee 158425bded7cSSeth Forshee /* Set rate and enable data reporting */ 158525bded7cSSeth Forshee param[0] = 0x64; 158625bded7cSSeth Forshee if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE) || 158725bded7cSSeth Forshee ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) { 158825bded7cSSeth Forshee psmouse_err(psmouse, "Failed to enable data reporting\n"); 158925bded7cSSeth Forshee return -1; 159025bded7cSSeth Forshee } 159125bded7cSSeth Forshee 159225bded7cSSeth Forshee return 0; 159325bded7cSSeth Forshee 159425bded7cSSeth Forshee error: 159525bded7cSSeth Forshee /* 159625bded7cSSeth Forshee * Leaving the touchpad in command mode will essentially render 159725bded7cSSeth Forshee * it unusable until the machine reboots, so exit it here just 159825bded7cSSeth Forshee * to be safe 159925bded7cSSeth Forshee */ 160025bded7cSSeth Forshee alps_exit_command_mode(psmouse); 160125bded7cSSeth Forshee return -1; 160225bded7cSSeth Forshee } 160325bded7cSSeth Forshee 16041302bac3SKevin Cernekee static int alps_hw_init_rushmore_v3(struct psmouse *psmouse) 16051302bac3SKevin Cernekee { 1606cd401204SKevin Cernekee struct alps_data *priv = psmouse->private; 16071302bac3SKevin Cernekee struct ps2dev *ps2dev = &psmouse->ps2dev; 16081302bac3SKevin Cernekee int reg_val, ret = -1; 16091302bac3SKevin Cernekee 1610cd401204SKevin Cernekee if (priv->flags & ALPS_DUALPOINT) { 1611cd401204SKevin Cernekee reg_val = alps_setup_trackstick_v3(psmouse, 1612cd401204SKevin Cernekee ALPS_REG_BASE_RUSHMORE); 1613cd401204SKevin Cernekee if (reg_val == -EIO) 1614cd401204SKevin Cernekee goto error; 1615cd401204SKevin Cernekee if (reg_val == -ENODEV) 1616cd401204SKevin Cernekee priv->flags &= ~ALPS_DUALPOINT; 1617cd401204SKevin Cernekee } 1618cd401204SKevin Cernekee 1619d18e53fcSKevin Cernekee if (alps_enter_command_mode(psmouse) || 16201302bac3SKevin Cernekee alps_command_mode_read_reg(psmouse, 0xc2d9) == -1 || 16211302bac3SKevin Cernekee alps_command_mode_write_reg(psmouse, 0xc2cb, 0x00)) 16221302bac3SKevin Cernekee goto error; 16231302bac3SKevin Cernekee 16241302bac3SKevin Cernekee reg_val = alps_command_mode_read_reg(psmouse, 0xc2c6); 16251302bac3SKevin Cernekee if (reg_val == -1) 16261302bac3SKevin Cernekee goto error; 16271302bac3SKevin Cernekee if (__alps_command_mode_write_reg(psmouse, reg_val & 0xfd)) 16281302bac3SKevin Cernekee goto error; 16291302bac3SKevin Cernekee 16301302bac3SKevin Cernekee if (alps_command_mode_write_reg(psmouse, 0xc2c9, 0x64)) 16311302bac3SKevin Cernekee goto error; 16321302bac3SKevin Cernekee 16331302bac3SKevin Cernekee /* enter absolute mode */ 16341302bac3SKevin Cernekee reg_val = alps_command_mode_read_reg(psmouse, 0xc2c4); 16351302bac3SKevin Cernekee if (reg_val == -1) 16361302bac3SKevin Cernekee goto error; 16371302bac3SKevin Cernekee if (__alps_command_mode_write_reg(psmouse, reg_val | 0x02)) 16381302bac3SKevin Cernekee goto error; 16391302bac3SKevin Cernekee 16401302bac3SKevin Cernekee alps_exit_command_mode(psmouse); 16411302bac3SKevin Cernekee return ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE); 16421302bac3SKevin Cernekee 16431302bac3SKevin Cernekee error: 16441302bac3SKevin Cernekee alps_exit_command_mode(psmouse); 16451302bac3SKevin Cernekee return ret; 16461302bac3SKevin Cernekee } 16471302bac3SKevin Cernekee 164825bded7cSSeth Forshee /* Must be in command mode when calling this function */ 164925bded7cSSeth Forshee static int alps_absolute_mode_v4(struct psmouse *psmouse) 165025bded7cSSeth Forshee { 165125bded7cSSeth Forshee int reg_val; 165225bded7cSSeth Forshee 165325bded7cSSeth Forshee reg_val = alps_command_mode_read_reg(psmouse, 0x0004); 165425bded7cSSeth Forshee if (reg_val == -1) 165525bded7cSSeth Forshee return -1; 165625bded7cSSeth Forshee 165725bded7cSSeth Forshee reg_val |= 0x02; 165825bded7cSSeth Forshee if (__alps_command_mode_write_reg(psmouse, reg_val)) 165925bded7cSSeth Forshee return -1; 166025bded7cSSeth Forshee 166125bded7cSSeth Forshee return 0; 166225bded7cSSeth Forshee } 166325bded7cSSeth Forshee 166425bded7cSSeth Forshee static int alps_hw_init_v4(struct psmouse *psmouse) 166525bded7cSSeth Forshee { 166625bded7cSSeth Forshee struct ps2dev *ps2dev = &psmouse->ps2dev; 166725bded7cSSeth Forshee unsigned char param[4]; 166825bded7cSSeth Forshee 1669d18e53fcSKevin Cernekee if (alps_enter_command_mode(psmouse)) 167025bded7cSSeth Forshee goto error; 167125bded7cSSeth Forshee 167225bded7cSSeth Forshee if (alps_absolute_mode_v4(psmouse)) { 167325bded7cSSeth Forshee psmouse_err(psmouse, "Failed to enter absolute mode\n"); 167425bded7cSSeth Forshee goto error; 167525bded7cSSeth Forshee } 167625bded7cSSeth Forshee 167725bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x0007, 0x8c)) 167825bded7cSSeth Forshee goto error; 167925bded7cSSeth Forshee 168025bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x0149, 0x03)) 168125bded7cSSeth Forshee goto error; 168225bded7cSSeth Forshee 168325bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x0160, 0x03)) 168425bded7cSSeth Forshee goto error; 168525bded7cSSeth Forshee 168625bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x017f, 0x15)) 168725bded7cSSeth Forshee goto error; 168825bded7cSSeth Forshee 168925bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x0151, 0x01)) 169025bded7cSSeth Forshee goto error; 169125bded7cSSeth Forshee 169225bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x0168, 0x03)) 169325bded7cSSeth Forshee goto error; 169425bded7cSSeth Forshee 169525bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x014a, 0x03)) 169625bded7cSSeth Forshee goto error; 169725bded7cSSeth Forshee 169825bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x0161, 0x03)) 169925bded7cSSeth Forshee goto error; 170025bded7cSSeth Forshee 170125bded7cSSeth Forshee alps_exit_command_mode(psmouse); 170225bded7cSSeth Forshee 170325bded7cSSeth Forshee /* 170425bded7cSSeth Forshee * This sequence changes the output from a 9-byte to an 170525bded7cSSeth Forshee * 8-byte format. All the same data seems to be present, 170625bded7cSSeth Forshee * just in a more compact format. 170725bded7cSSeth Forshee */ 170825bded7cSSeth Forshee param[0] = 0xc8; 170925bded7cSSeth Forshee param[1] = 0x64; 171025bded7cSSeth Forshee param[2] = 0x50; 171125bded7cSSeth Forshee if (ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || 171225bded7cSSeth Forshee ps2_command(ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE) || 171325bded7cSSeth Forshee ps2_command(ps2dev, ¶m[2], PSMOUSE_CMD_SETRATE) || 171425bded7cSSeth Forshee ps2_command(ps2dev, param, PSMOUSE_CMD_GETID)) 171525bded7cSSeth Forshee return -1; 171625bded7cSSeth Forshee 171725bded7cSSeth Forshee /* Set rate and enable data reporting */ 171825bded7cSSeth Forshee param[0] = 0x64; 171925bded7cSSeth Forshee if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE) || 172025bded7cSSeth Forshee ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) { 172125bded7cSSeth Forshee psmouse_err(psmouse, "Failed to enable data reporting\n"); 172225bded7cSSeth Forshee return -1; 172325bded7cSSeth Forshee } 172425bded7cSSeth Forshee 172525bded7cSSeth Forshee return 0; 172625bded7cSSeth Forshee 172725bded7cSSeth Forshee error: 172825bded7cSSeth Forshee /* 172925bded7cSSeth Forshee * Leaving the touchpad in command mode will essentially render 173025bded7cSSeth Forshee * it unusable until the machine reboots, so exit it here just 173125bded7cSSeth Forshee * to be safe 173225bded7cSSeth Forshee */ 173325bded7cSSeth Forshee alps_exit_command_mode(psmouse); 173425bded7cSSeth Forshee return -1; 173525bded7cSSeth Forshee } 173625bded7cSSeth Forshee 1737ee65d4b3SYunkang Tang static int alps_dolphin_get_device_area(struct psmouse *psmouse, 1738ee65d4b3SYunkang Tang struct alps_data *priv) 1739ee65d4b3SYunkang Tang { 1740ee65d4b3SYunkang Tang struct ps2dev *ps2dev = &psmouse->ps2dev; 1741ee65d4b3SYunkang Tang unsigned char param[4] = {0}; 1742ee65d4b3SYunkang Tang int num_x_electrode, num_y_electrode; 1743ee65d4b3SYunkang Tang 1744ee65d4b3SYunkang Tang if (alps_enter_command_mode(psmouse)) 1745ee65d4b3SYunkang Tang return -1; 1746ee65d4b3SYunkang Tang 1747ee65d4b3SYunkang Tang param[0] = 0x0a; 1748ee65d4b3SYunkang Tang if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP) || 1749ee65d4b3SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL) || 1750ee65d4b3SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL) || 1751ee65d4b3SYunkang Tang ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || 1752ee65d4b3SYunkang Tang ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE)) 1753ee65d4b3SYunkang Tang return -1; 1754ee65d4b3SYunkang Tang 1755ee65d4b3SYunkang Tang if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) 1756ee65d4b3SYunkang Tang return -1; 1757ee65d4b3SYunkang Tang 1758ee65d4b3SYunkang Tang /* 1759ee65d4b3SYunkang Tang * Dolphin's sensor line number is not fixed. It can be calculated 1760ee65d4b3SYunkang Tang * by adding the device's register value with DOLPHIN_PROFILE_X/YOFFSET. 1761ee65d4b3SYunkang Tang * Further more, we can get device's x_max and y_max by multiplying 1762ee65d4b3SYunkang Tang * sensor line number with DOLPHIN_COUNT_PER_ELECTRODE. 1763ee65d4b3SYunkang Tang * 1764ee65d4b3SYunkang Tang * e.g. When we get register's sensor_x = 11 & sensor_y = 8, 1765ee65d4b3SYunkang Tang * real sensor line number X = 11 + 8 = 19, and 1766ee65d4b3SYunkang Tang * real sensor line number Y = 8 + 1 = 9. 1767ee65d4b3SYunkang Tang * So, x_max = (19 - 1) * 64 = 1152, and 1768ee65d4b3SYunkang Tang * y_max = (9 - 1) * 64 = 512. 1769ee65d4b3SYunkang Tang */ 1770ee65d4b3SYunkang Tang num_x_electrode = DOLPHIN_PROFILE_XOFFSET + (param[2] & 0x0F); 1771ee65d4b3SYunkang Tang num_y_electrode = DOLPHIN_PROFILE_YOFFSET + ((param[2] >> 4) & 0x0F); 1772ee65d4b3SYunkang Tang priv->x_bits = num_x_electrode; 1773ee65d4b3SYunkang Tang priv->y_bits = num_y_electrode; 1774ee65d4b3SYunkang Tang priv->x_max = (num_x_electrode - 1) * DOLPHIN_COUNT_PER_ELECTRODE; 1775ee65d4b3SYunkang Tang priv->y_max = (num_y_electrode - 1) * DOLPHIN_COUNT_PER_ELECTRODE; 1776ee65d4b3SYunkang Tang 1777ee65d4b3SYunkang Tang if (alps_exit_command_mode(psmouse)) 1778ee65d4b3SYunkang Tang return -1; 1779ee65d4b3SYunkang Tang 1780ee65d4b3SYunkang Tang return 0; 1781ee65d4b3SYunkang Tang } 1782ee65d4b3SYunkang Tang 178375af9e56SDave Turvene static int alps_hw_init_dolphin_v1(struct psmouse *psmouse) 178475af9e56SDave Turvene { 178575af9e56SDave Turvene struct ps2dev *ps2dev = &psmouse->ps2dev; 178675af9e56SDave Turvene unsigned char param[2]; 178775af9e56SDave Turvene 178875af9e56SDave Turvene /* This is dolphin "v1" as empirically defined by florin9doi */ 178975af9e56SDave Turvene param[0] = 0x64; 179075af9e56SDave Turvene param[1] = 0x28; 179175af9e56SDave Turvene 179275af9e56SDave Turvene if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) || 179375af9e56SDave Turvene ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || 179475af9e56SDave Turvene ps2_command(ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE)) 179575af9e56SDave Turvene return -1; 179675af9e56SDave Turvene 179775af9e56SDave Turvene return 0; 179875af9e56SDave Turvene } 179975af9e56SDave Turvene 180024af5cb9SKevin Cernekee static void alps_set_defaults(struct alps_data *priv) 180125bded7cSSeth Forshee { 1802f673ceb1SKevin Cernekee priv->byte0 = 0x8f; 1803f673ceb1SKevin Cernekee priv->mask0 = 0x8f; 1804f673ceb1SKevin Cernekee priv->flags = ALPS_DUALPOINT; 1805f673ceb1SKevin Cernekee 18067a9f73e7SKevin Cernekee priv->x_max = 2000; 18077a9f73e7SKevin Cernekee priv->y_max = 1400; 18087a9f73e7SKevin Cernekee priv->x_bits = 15; 18097a9f73e7SKevin Cernekee priv->y_bits = 11; 18107a9f73e7SKevin Cernekee 181199df65e7SKevin Cernekee switch (priv->proto_version) { 181225bded7cSSeth Forshee case ALPS_PROTO_V1: 181325bded7cSSeth Forshee case ALPS_PROTO_V2: 181424af5cb9SKevin Cernekee priv->hw_init = alps_hw_init_v1_v2; 181524af5cb9SKevin Cernekee priv->process_packet = alps_process_packet_v1_v2; 181624af5cb9SKevin Cernekee priv->set_abs_params = alps_set_abs_params_st; 181795f75e91SYunkang Tang priv->x_max = 1023; 181895f75e91SYunkang Tang priv->y_max = 767; 181925bded7cSSeth Forshee break; 182025bded7cSSeth Forshee case ALPS_PROTO_V3: 182124af5cb9SKevin Cernekee priv->hw_init = alps_hw_init_v3; 182224af5cb9SKevin Cernekee priv->process_packet = alps_process_packet_v3; 182324af5cb9SKevin Cernekee priv->set_abs_params = alps_set_abs_params_mt; 1824f85e5001SKevin Cernekee priv->decode_fields = alps_decode_pinnacle; 182550e8b216SKevin Cernekee priv->nibble_commands = alps_v3_nibble_commands; 182650e8b216SKevin Cernekee priv->addr_command = PSMOUSE_CMD_RESET_WRAP; 182725bded7cSSeth Forshee break; 182825bded7cSSeth Forshee case ALPS_PROTO_V4: 182924af5cb9SKevin Cernekee priv->hw_init = alps_hw_init_v4; 183024af5cb9SKevin Cernekee priv->process_packet = alps_process_packet_v4; 183124af5cb9SKevin Cernekee priv->set_abs_params = alps_set_abs_params_mt; 183250e8b216SKevin Cernekee priv->nibble_commands = alps_v4_nibble_commands; 183350e8b216SKevin Cernekee priv->addr_command = PSMOUSE_CMD_DISABLE; 183425bded7cSSeth Forshee break; 183575af9e56SDave Turvene case ALPS_PROTO_V5: 183675af9e56SDave Turvene priv->hw_init = alps_hw_init_dolphin_v1; 1837ee65d4b3SYunkang Tang priv->process_packet = alps_process_touchpad_packet_v3_v5; 183875af9e56SDave Turvene priv->decode_fields = alps_decode_dolphin; 183975af9e56SDave Turvene priv->set_abs_params = alps_set_abs_params_mt; 184075af9e56SDave Turvene priv->nibble_commands = alps_v3_nibble_commands; 184175af9e56SDave Turvene priv->addr_command = PSMOUSE_CMD_RESET_WRAP; 184275af9e56SDave Turvene priv->byte0 = 0xc8; 1843ee65d4b3SYunkang Tang priv->mask0 = 0xd8; 184475af9e56SDave Turvene priv->flags = 0; 184575af9e56SDave Turvene priv->x_max = 1360; 184675af9e56SDave Turvene priv->y_max = 660; 184775af9e56SDave Turvene priv->x_bits = 23; 184875af9e56SDave Turvene priv->y_bits = 12; 184975af9e56SDave Turvene break; 185095f75e91SYunkang Tang case ALPS_PROTO_V6: 185195f75e91SYunkang Tang priv->hw_init = alps_hw_init_v6; 185295f75e91SYunkang Tang priv->process_packet = alps_process_packet_v6; 185395f75e91SYunkang Tang priv->set_abs_params = alps_set_abs_params_st; 185495f75e91SYunkang Tang priv->nibble_commands = alps_v6_nibble_commands; 185595f75e91SYunkang Tang priv->x_max = 2047; 185695f75e91SYunkang Tang priv->y_max = 1535; 185795f75e91SYunkang Tang break; 185825bded7cSSeth Forshee } 185925bded7cSSeth Forshee } 186025bded7cSSeth Forshee 1861b5d6b851SKevin Cernekee static int alps_match_table(struct psmouse *psmouse, struct alps_data *priv, 1862b5d6b851SKevin Cernekee unsigned char *e7, unsigned char *ec) 18632e992cc0SKevin Cernekee { 1864b5d6b851SKevin Cernekee const struct alps_model_info *model; 18652e992cc0SKevin Cernekee int i; 18662e992cc0SKevin Cernekee 1867b5d6b851SKevin Cernekee for (i = 0; i < ARRAY_SIZE(alps_model_data); i++) { 1868b5d6b851SKevin Cernekee model = &alps_model_data[i]; 1869b5d6b851SKevin Cernekee 1870b5d6b851SKevin Cernekee if (!memcmp(e7, model->signature, sizeof(model->signature)) && 1871b5d6b851SKevin Cernekee (!model->command_mode_resp || 1872b5d6b851SKevin Cernekee model->command_mode_resp == ec[2])) { 1873b5d6b851SKevin Cernekee 1874b5d6b851SKevin Cernekee priv->proto_version = model->proto_version; 187524af5cb9SKevin Cernekee alps_set_defaults(priv); 187624af5cb9SKevin Cernekee 1877b5d6b851SKevin Cernekee priv->flags = model->flags; 1878b5d6b851SKevin Cernekee priv->byte0 = model->byte0; 1879b5d6b851SKevin Cernekee priv->mask0 = model->mask0; 1880b5d6b851SKevin Cernekee 1881b5d6b851SKevin Cernekee return 0; 1882b5d6b851SKevin Cernekee } 1883b5d6b851SKevin Cernekee } 1884b5d6b851SKevin Cernekee 1885b5d6b851SKevin Cernekee return -EINVAL; 1886b5d6b851SKevin Cernekee } 1887b5d6b851SKevin Cernekee 1888b5d6b851SKevin Cernekee static int alps_identify(struct psmouse *psmouse, struct alps_data *priv) 1889b5d6b851SKevin Cernekee { 1890b5d6b851SKevin Cernekee unsigned char e6[4], e7[4], ec[4]; 1891b5d6b851SKevin Cernekee 18922e992cc0SKevin Cernekee /* 18932e992cc0SKevin Cernekee * First try "E6 report". 18942e992cc0SKevin Cernekee * ALPS should return 0,0,10 or 0,0,100 if no buttons are pressed. 18952e992cc0SKevin Cernekee * The bits 0-2 of the first byte will be 1s if some buttons are 18962e992cc0SKevin Cernekee * pressed. 18972e992cc0SKevin Cernekee */ 1898b5d6b851SKevin Cernekee if (alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES, 1899b5d6b851SKevin Cernekee PSMOUSE_CMD_SETSCALE11, e6)) 1900b5d6b851SKevin Cernekee return -EIO; 19012e992cc0SKevin Cernekee 1902b5d6b851SKevin Cernekee if ((e6[0] & 0xf8) != 0 || e6[1] != 0 || (e6[2] != 10 && e6[2] != 100)) 1903b5d6b851SKevin Cernekee return -EINVAL; 19042e992cc0SKevin Cernekee 19052e992cc0SKevin Cernekee /* 1906b5d6b851SKevin Cernekee * Now get the "E7" and "EC" reports. These will uniquely identify 1907b5d6b851SKevin Cernekee * most ALPS touchpads. 19082e992cc0SKevin Cernekee */ 1909b5d6b851SKevin Cernekee if (alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES, 1910b5d6b851SKevin Cernekee PSMOUSE_CMD_SETSCALE21, e7) || 1911b5d6b851SKevin Cernekee alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES, 1912b5d6b851SKevin Cernekee PSMOUSE_CMD_RESET_WRAP, ec) || 1913b5d6b851SKevin Cernekee alps_exit_command_mode(psmouse)) 1914b5d6b851SKevin Cernekee return -EIO; 19152e992cc0SKevin Cernekee 1916f673ceb1SKevin Cernekee if (alps_match_table(psmouse, priv, e7, ec) == 0) { 1917b5d6b851SKevin Cernekee return 0; 191875af9e56SDave Turvene } else if (e7[0] == 0x73 && e7[1] == 0x03 && e7[2] == 0x50 && 1919ee65d4b3SYunkang Tang ec[0] == 0x73 && (ec[1] == 0x01 || ec[1] == 0x02)) { 192075af9e56SDave Turvene priv->proto_version = ALPS_PROTO_V5; 192175af9e56SDave Turvene alps_set_defaults(priv); 1922ee65d4b3SYunkang Tang if (alps_dolphin_get_device_area(psmouse, priv)) 1923ee65d4b3SYunkang Tang return -EIO; 1924ee65d4b3SYunkang Tang else 192575af9e56SDave Turvene return 0; 19261302bac3SKevin Cernekee } else if (ec[0] == 0x88 && ec[1] == 0x08) { 19271302bac3SKevin Cernekee priv->proto_version = ALPS_PROTO_V3; 19281302bac3SKevin Cernekee alps_set_defaults(priv); 19291302bac3SKevin Cernekee 19301302bac3SKevin Cernekee priv->hw_init = alps_hw_init_rushmore_v3; 19311302bac3SKevin Cernekee priv->decode_fields = alps_decode_rushmore; 19321302bac3SKevin Cernekee priv->x_bits = 16; 19331302bac3SKevin Cernekee priv->y_bits = 12; 193440e8f53bSHans de Goede priv->flags |= ALPS_IS_RUSHMORE; 19351302bac3SKevin Cernekee 1936cd401204SKevin Cernekee /* hack to make addr_command, nibble_command available */ 1937cd401204SKevin Cernekee psmouse->private = priv; 1938cd401204SKevin Cernekee 1939cd401204SKevin Cernekee if (alps_probe_trackstick_v3(psmouse, ALPS_REG_BASE_RUSHMORE)) 1940cd401204SKevin Cernekee priv->flags &= ~ALPS_DUALPOINT; 1941cd401204SKevin Cernekee 19421302bac3SKevin Cernekee return 0; 1943f673ceb1SKevin Cernekee } else if (ec[0] == 0x88 && ec[1] == 0x07 && 1944f673ceb1SKevin Cernekee ec[2] >= 0x90 && ec[2] <= 0x9d) { 1945f673ceb1SKevin Cernekee priv->proto_version = ALPS_PROTO_V3; 1946f673ceb1SKevin Cernekee alps_set_defaults(priv); 1947f673ceb1SKevin Cernekee 1948f673ceb1SKevin Cernekee return 0; 1949f673ceb1SKevin Cernekee } 19502e992cc0SKevin Cernekee 1951b5d6b851SKevin Cernekee psmouse_info(psmouse, 195239fbe585SDmitry Torokhov "Unknown ALPS touchpad: E7=%3ph, EC=%3ph\n", e7, ec); 19532e992cc0SKevin Cernekee 1954b5d6b851SKevin Cernekee return -EINVAL; 19552e992cc0SKevin Cernekee } 19562e992cc0SKevin Cernekee 19571e0c5b12SDmitry Torokhov static int alps_reconnect(struct psmouse *psmouse) 19581e0c5b12SDmitry Torokhov { 1959b5d6b851SKevin Cernekee struct alps_data *priv = psmouse->private; 196071bb21b6SMaxim Levitsky 19611e0c5b12SDmitry Torokhov psmouse_reset(psmouse); 19621e0c5b12SDmitry Torokhov 1963b5d6b851SKevin Cernekee if (alps_identify(psmouse, priv) < 0) 19641e0c5b12SDmitry Torokhov return -1; 19651e0c5b12SDmitry Torokhov 196624af5cb9SKevin Cernekee return priv->hw_init(psmouse); 19671da177e4SLinus Torvalds } 19681da177e4SLinus Torvalds 19691da177e4SLinus Torvalds static void alps_disconnect(struct psmouse *psmouse) 19701da177e4SLinus Torvalds { 19711da177e4SLinus Torvalds struct alps_data *priv = psmouse->private; 19722e5b636bSDmitry Torokhov 19731da177e4SLinus Torvalds psmouse_reset(psmouse); 19741d9f2626SSebastian Kapfer del_timer_sync(&priv->timer); 19752e5b636bSDmitry Torokhov input_unregister_device(priv->dev2); 19761da177e4SLinus Torvalds kfree(priv); 19771da177e4SLinus Torvalds } 19781da177e4SLinus Torvalds 197924af5cb9SKevin Cernekee static void alps_set_abs_params_st(struct alps_data *priv, 198024af5cb9SKevin Cernekee struct input_dev *dev1) 198124af5cb9SKevin Cernekee { 198295f75e91SYunkang Tang input_set_abs_params(dev1, ABS_X, 0, priv->x_max, 0, 0); 198395f75e91SYunkang Tang input_set_abs_params(dev1, ABS_Y, 0, priv->y_max, 0, 0); 198424af5cb9SKevin Cernekee } 198524af5cb9SKevin Cernekee 198624af5cb9SKevin Cernekee static void alps_set_abs_params_mt(struct alps_data *priv, 198724af5cb9SKevin Cernekee struct input_dev *dev1) 198824af5cb9SKevin Cernekee { 19897a9f73e7SKevin Cernekee input_set_abs_params(dev1, ABS_MT_POSITION_X, 0, priv->x_max, 0, 0); 19907a9f73e7SKevin Cernekee input_set_abs_params(dev1, ABS_MT_POSITION_Y, 0, priv->y_max, 0, 0); 199124af5cb9SKevin Cernekee 1992cdf333efSHans de Goede input_mt_init_slots(dev1, MAX_TOUCHES, INPUT_MT_POINTER | 1993cdf333efSHans de Goede INPUT_MT_DROP_UNUSED | INPUT_MT_TRACK | INPUT_MT_SEMI_MT); 1994cdf333efSHans de Goede 199524af5cb9SKevin Cernekee set_bit(BTN_TOOL_TRIPLETAP, dev1->keybit); 199624af5cb9SKevin Cernekee set_bit(BTN_TOOL_QUADTAP, dev1->keybit); 199724af5cb9SKevin Cernekee } 199824af5cb9SKevin Cernekee 19991da177e4SLinus Torvalds int alps_init(struct psmouse *psmouse) 20001da177e4SLinus Torvalds { 20011da177e4SLinus Torvalds struct alps_data *priv; 20022e5b636bSDmitry Torokhov struct input_dev *dev1 = psmouse->dev, *dev2; 20031da177e4SLinus Torvalds 2004f42649e8SDmitry Torokhov priv = kzalloc(sizeof(struct alps_data), GFP_KERNEL); 20052e5b636bSDmitry Torokhov dev2 = input_allocate_device(); 20062e5b636bSDmitry Torokhov if (!priv || !dev2) 20071da177e4SLinus Torvalds goto init_fail; 20082e5b636bSDmitry Torokhov 20092e5b636bSDmitry Torokhov priv->dev2 = dev2; 20101d9f2626SSebastian Kapfer setup_timer(&priv->timer, alps_flush_packet, (unsigned long)psmouse); 20111d9f2626SSebastian Kapfer 20121e0c5b12SDmitry Torokhov psmouse->private = priv; 20131da177e4SLinus Torvalds 201425bded7cSSeth Forshee psmouse_reset(psmouse); 201525bded7cSSeth Forshee 2016b5d6b851SKevin Cernekee if (alps_identify(psmouse, priv) < 0) 201771bb21b6SMaxim Levitsky goto init_fail; 201871bb21b6SMaxim Levitsky 201924af5cb9SKevin Cernekee if (priv->hw_init(psmouse)) 20201da177e4SLinus Torvalds goto init_fail; 20211da177e4SLinus Torvalds 20227105d2eaSDmitry Torokhov /* 20237105d2eaSDmitry Torokhov * Undo part of setup done for us by psmouse core since touchpad 20247105d2eaSDmitry Torokhov * is not a relative device. 20257105d2eaSDmitry Torokhov */ 20267105d2eaSDmitry Torokhov __clear_bit(EV_REL, dev1->evbit); 20277105d2eaSDmitry Torokhov __clear_bit(REL_X, dev1->relbit); 20287105d2eaSDmitry Torokhov __clear_bit(REL_Y, dev1->relbit); 20297105d2eaSDmitry Torokhov 20307105d2eaSDmitry Torokhov /* 20317105d2eaSDmitry Torokhov * Now set up our capabilities. 20327105d2eaSDmitry Torokhov */ 20337b19ada2SJiri Slaby dev1->evbit[BIT_WORD(EV_KEY)] |= BIT_MASK(EV_KEY); 20347b19ada2SJiri Slaby dev1->keybit[BIT_WORD(BTN_TOUCH)] |= BIT_MASK(BTN_TOUCH); 20357b19ada2SJiri Slaby dev1->keybit[BIT_WORD(BTN_TOOL_FINGER)] |= BIT_MASK(BTN_TOOL_FINGER); 203671bb21b6SMaxim Levitsky dev1->keybit[BIT_WORD(BTN_LEFT)] |= 203771bb21b6SMaxim Levitsky BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_RIGHT); 20381da177e4SLinus Torvalds 20397b19ada2SJiri Slaby dev1->evbit[BIT_WORD(EV_ABS)] |= BIT_MASK(EV_ABS); 204025bded7cSSeth Forshee 204124af5cb9SKevin Cernekee priv->set_abs_params(priv, dev1); 20422e5b636bSDmitry Torokhov input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0); 20431da177e4SLinus Torvalds 204499df65e7SKevin Cernekee if (priv->flags & ALPS_WHEEL) { 20457b19ada2SJiri Slaby dev1->evbit[BIT_WORD(EV_REL)] |= BIT_MASK(EV_REL); 20467b19ada2SJiri Slaby dev1->relbit[BIT_WORD(REL_WHEEL)] |= BIT_MASK(REL_WHEEL); 20471da177e4SLinus Torvalds } 20481da177e4SLinus Torvalds 204999df65e7SKevin Cernekee if (priv->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) { 20507b19ada2SJiri Slaby dev1->keybit[BIT_WORD(BTN_FORWARD)] |= BIT_MASK(BTN_FORWARD); 20517b19ada2SJiri Slaby dev1->keybit[BIT_WORD(BTN_BACK)] |= BIT_MASK(BTN_BACK); 20521da177e4SLinus Torvalds } 20531da177e4SLinus Torvalds 205499df65e7SKevin Cernekee if (priv->flags & ALPS_FOUR_BUTTONS) { 205571bb21b6SMaxim Levitsky dev1->keybit[BIT_WORD(BTN_0)] |= BIT_MASK(BTN_0); 205671bb21b6SMaxim Levitsky dev1->keybit[BIT_WORD(BTN_1)] |= BIT_MASK(BTN_1); 205771bb21b6SMaxim Levitsky dev1->keybit[BIT_WORD(BTN_2)] |= BIT_MASK(BTN_2); 205871bb21b6SMaxim Levitsky dev1->keybit[BIT_WORD(BTN_3)] |= BIT_MASK(BTN_3); 205971bb21b6SMaxim Levitsky } else { 206071bb21b6SMaxim Levitsky dev1->keybit[BIT_WORD(BTN_MIDDLE)] |= BIT_MASK(BTN_MIDDLE); 206171bb21b6SMaxim Levitsky } 206271bb21b6SMaxim Levitsky 206308ffce45SDmitry Torokhov snprintf(priv->phys, sizeof(priv->phys), "%s/input1", psmouse->ps2dev.serio->phys); 20642e5b636bSDmitry Torokhov dev2->phys = priv->phys; 206599df65e7SKevin Cernekee dev2->name = (priv->flags & ALPS_DUALPOINT) ? 20669354f263SYunkang Tang "DualPoint Stick" : "ALPS PS/2 Device"; 20672e5b636bSDmitry Torokhov dev2->id.bustype = BUS_I8042; 20682e5b636bSDmitry Torokhov dev2->id.vendor = 0x0002; 20692e5b636bSDmitry Torokhov dev2->id.product = PSMOUSE_ALPS; 20702e5b636bSDmitry Torokhov dev2->id.version = 0x0000; 20711db3a345SDmitry Torokhov dev2->dev.parent = &psmouse->ps2dev.serio->dev; 20721da177e4SLinus Torvalds 20737b19ada2SJiri Slaby dev2->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); 207471bb21b6SMaxim Levitsky dev2->relbit[BIT_WORD(REL_X)] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); 207571bb21b6SMaxim Levitsky dev2->keybit[BIT_WORD(BTN_LEFT)] = 207671bb21b6SMaxim Levitsky BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); 20771da177e4SLinus Torvalds 2078f42649e8SDmitry Torokhov if (input_register_device(priv->dev2)) 2079f42649e8SDmitry Torokhov goto init_fail; 20801da177e4SLinus Torvalds 20811da177e4SLinus Torvalds psmouse->protocol_handler = alps_process_byte; 2082f0d5c6f4SDmitry Torokhov psmouse->poll = alps_poll; 20831da177e4SLinus Torvalds psmouse->disconnect = alps_disconnect; 20841da177e4SLinus Torvalds psmouse->reconnect = alps_reconnect; 208599df65e7SKevin Cernekee psmouse->pktsize = priv->proto_version == ALPS_PROTO_V4 ? 8 : 6; 20861da177e4SLinus Torvalds 2087f0d5c6f4SDmitry Torokhov /* We are having trouble resyncing ALPS touchpads so disable it for now */ 2088f0d5c6f4SDmitry Torokhov psmouse->resync_time = 0; 2089f0d5c6f4SDmitry Torokhov 20901da177e4SLinus Torvalds return 0; 20911da177e4SLinus Torvalds 20921da177e4SLinus Torvalds init_fail: 2093f42649e8SDmitry Torokhov psmouse_reset(psmouse); 20942e5b636bSDmitry Torokhov input_free_device(dev2); 20951da177e4SLinus Torvalds kfree(priv); 20961e0c5b12SDmitry Torokhov psmouse->private = NULL; 20971da177e4SLinus Torvalds return -1; 20981da177e4SLinus Torvalds } 20991da177e4SLinus Torvalds 2100b7802c5cSDmitry Torokhov int alps_detect(struct psmouse *psmouse, bool set_properties) 21011da177e4SLinus Torvalds { 2102b5d6b851SKevin Cernekee struct alps_data dummy; 21031da177e4SLinus Torvalds 2104b5d6b851SKevin Cernekee if (alps_identify(psmouse, &dummy) < 0) 21051da177e4SLinus Torvalds return -1; 21061da177e4SLinus Torvalds 21071da177e4SLinus Torvalds if (set_properties) { 21081da177e4SLinus Torvalds psmouse->vendor = "ALPS"; 2109b5d6b851SKevin Cernekee psmouse->name = dummy.flags & ALPS_DUALPOINT ? 2110968ac842SDmitry Torokhov "DualPoint TouchPad" : "GlidePoint"; 2111b5d6b851SKevin Cernekee psmouse->model = dummy.proto_version << 8; 21121da177e4SLinus Torvalds } 21131da177e4SLinus Torvalds return 0; 21141da177e4SLinus Torvalds } 21151da177e4SLinus Torvalds 2116