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 */ 1033808843cSYunkang Tang #define ALPS_BUTTONPAD 0x200 /* device is a clickpad */ 1041da177e4SLinus Torvalds 105e38de678SHelge Deller static const struct alps_model_info alps_model_data[] = { 10625bded7cSSeth Forshee { { 0x32, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* Toshiba Salellite Pro M10 */ 10725bded7cSSeth Forshee { { 0x33, 0x02, 0x0a }, 0x00, ALPS_PROTO_V1, 0x88, 0xf8, 0 }, /* UMAX-530T */ 10825bded7cSSeth Forshee { { 0x53, 0x02, 0x0a }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, 10925bded7cSSeth Forshee { { 0x53, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, 11025bded7cSSeth Forshee { { 0x60, 0x03, 0xc8 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, /* HP ze1115 */ 11125bded7cSSeth Forshee { { 0x63, 0x02, 0x0a }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, 11225bded7cSSeth Forshee { { 0x63, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, 11325bded7cSSeth Forshee { { 0x63, 0x02, 0x28 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Fujitsu Siemens S6010 */ 11425bded7cSSeth Forshee { { 0x63, 0x02, 0x3c }, 0x00, ALPS_PROTO_V2, 0x8f, 0x8f, ALPS_WHEEL }, /* Toshiba Satellite S2400-103 */ 11525bded7cSSeth Forshee { { 0x63, 0x02, 0x50 }, 0x00, ALPS_PROTO_V2, 0xef, 0xef, ALPS_FW_BK_1 }, /* NEC Versa L320 */ 11625bded7cSSeth Forshee { { 0x63, 0x02, 0x64 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, 11725bded7cSSeth Forshee { { 0x63, 0x03, 0xc8 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D800 */ 11825bded7cSSeth Forshee { { 0x73, 0x00, 0x0a }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_DUALPOINT }, /* ThinkPad R61 8918-5QG */ 11925bded7cSSeth Forshee { { 0x73, 0x02, 0x0a }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, 12025bded7cSSeth Forshee { { 0x73, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Ahtec Laptop */ 12125bded7cSSeth Forshee { { 0x20, 0x02, 0x0e }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* XXX */ 12225bded7cSSeth Forshee { { 0x22, 0x02, 0x0a }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, 12325bded7cSSeth Forshee { { 0x22, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D600 */ 1241d9f2626SSebastian Kapfer /* Dell Latitude E5500, E6400, E6500, Precision M4400 */ 12525bded7cSSeth Forshee { { 0x62, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xcf, 0xcf, 1261d9f2626SSebastian Kapfer ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED }, 12795f75e91SYunkang Tang { { 0x73, 0x00, 0x14 }, 0x00, ALPS_PROTO_V6, 0xff, 0xff, ALPS_DUALPOINT }, /* Dell XT2 */ 12825bded7cSSeth Forshee { { 0x73, 0x02, 0x50 }, 0x00, ALPS_PROTO_V2, 0xcf, 0xcf, ALPS_FOUR_BUTTONS }, /* Dell Vostro 1400 */ 12925bded7cSSeth Forshee { { 0x52, 0x01, 0x14 }, 0x00, ALPS_PROTO_V2, 0xff, 0xff, 130eb8bff85SThomas Bächler ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED }, /* Toshiba Tecra A11-11L */ 13125bded7cSSeth Forshee { { 0x73, 0x02, 0x64 }, 0x8a, ALPS_PROTO_V4, 0x8f, 0x8f, 0 }, 1321da177e4SLinus Torvalds }; 1331da177e4SLinus Torvalds 13424af5cb9SKevin Cernekee static void alps_set_abs_params_st(struct alps_data *priv, 13524af5cb9SKevin Cernekee struct input_dev *dev1); 13624af5cb9SKevin Cernekee static void alps_set_abs_params_mt(struct alps_data *priv, 13724af5cb9SKevin Cernekee struct input_dev *dev1); 13824af5cb9SKevin Cernekee 1391da177e4SLinus Torvalds /* 1401da177e4SLinus Torvalds * XXX - this entry is suspicious. First byte has zero lower nibble, 1411da177e4SLinus Torvalds * which is what a normal mouse would report. Also, the value 0x0e 1421da177e4SLinus Torvalds * isn't valid per PS/2 spec. 1431da177e4SLinus Torvalds */ 1441da177e4SLinus Torvalds 145d4b347b2SSeth Forshee /* Packet formats are described in Documentation/input/alps.txt */ 1461da177e4SLinus Torvalds 14799df65e7SKevin Cernekee static bool alps_is_valid_first_byte(struct alps_data *priv, 1481d9f2626SSebastian Kapfer unsigned char data) 1491d9f2626SSebastian Kapfer { 15099df65e7SKevin Cernekee return (data & priv->mask0) == priv->byte0; 1511d9f2626SSebastian Kapfer } 1521d9f2626SSebastian Kapfer 1531d9f2626SSebastian Kapfer static void alps_report_buttons(struct psmouse *psmouse, 1541d9f2626SSebastian Kapfer struct input_dev *dev1, struct input_dev *dev2, 1551d9f2626SSebastian Kapfer int left, int right, int middle) 1561d9f2626SSebastian Kapfer { 1571d9f2626SSebastian Kapfer struct input_dev *dev; 1581d9f2626SSebastian Kapfer 1591d9f2626SSebastian Kapfer /* 1601d9f2626SSebastian Kapfer * If shared button has already been reported on the 1611d9f2626SSebastian Kapfer * other device (dev2) then this event should be also 1621d9f2626SSebastian Kapfer * sent through that device. 1631d9f2626SSebastian Kapfer */ 1641d9f2626SSebastian Kapfer dev = test_bit(BTN_LEFT, dev2->key) ? dev2 : dev1; 1651d9f2626SSebastian Kapfer input_report_key(dev, BTN_LEFT, left); 1661d9f2626SSebastian Kapfer 1671d9f2626SSebastian Kapfer dev = test_bit(BTN_RIGHT, dev2->key) ? dev2 : dev1; 1681d9f2626SSebastian Kapfer input_report_key(dev, BTN_RIGHT, right); 1691d9f2626SSebastian Kapfer 1701d9f2626SSebastian Kapfer dev = test_bit(BTN_MIDDLE, dev2->key) ? dev2 : dev1; 1711d9f2626SSebastian Kapfer input_report_key(dev, BTN_MIDDLE, middle); 1721d9f2626SSebastian Kapfer 1731d9f2626SSebastian Kapfer /* 1741d9f2626SSebastian Kapfer * Sync the _other_ device now, we'll do the first 1751d9f2626SSebastian Kapfer * device later once we report the rest of the events. 1761d9f2626SSebastian Kapfer */ 1771d9f2626SSebastian Kapfer input_sync(dev2); 1781d9f2626SSebastian Kapfer } 1791d9f2626SSebastian Kapfer 18025bded7cSSeth Forshee static void alps_process_packet_v1_v2(struct psmouse *psmouse) 1811da177e4SLinus Torvalds { 1821da177e4SLinus Torvalds struct alps_data *priv = psmouse->private; 1831da177e4SLinus Torvalds unsigned char *packet = psmouse->packet; 1842e5b636bSDmitry Torokhov struct input_dev *dev = psmouse->dev; 1852e5b636bSDmitry Torokhov struct input_dev *dev2 = priv->dev2; 1861da177e4SLinus Torvalds int x, y, z, ges, fin, left, right, middle; 187c30b4c10SIvan Casado Ruiz int back = 0, forward = 0; 1881da177e4SLinus Torvalds 18999df65e7SKevin Cernekee if (priv->proto_version == ALPS_PROTO_V1) { 190d2f4012fSYotam Medini left = packet[2] & 0x10; 191d2f4012fSYotam Medini right = packet[2] & 0x08; 1921da177e4SLinus Torvalds middle = 0; 1931da177e4SLinus Torvalds x = packet[1] | ((packet[0] & 0x07) << 7); 1941da177e4SLinus Torvalds y = packet[4] | ((packet[3] & 0x07) << 7); 1951da177e4SLinus Torvalds z = packet[5]; 1961da177e4SLinus Torvalds } else { 1971da177e4SLinus Torvalds left = packet[3] & 1; 1981da177e4SLinus Torvalds right = packet[3] & 2; 1991da177e4SLinus Torvalds middle = packet[3] & 4; 2001da177e4SLinus Torvalds x = packet[1] | ((packet[2] & 0x78) << (7 - 3)); 2011da177e4SLinus Torvalds y = packet[4] | ((packet[3] & 0x70) << (7 - 4)); 2021da177e4SLinus Torvalds z = packet[5]; 2031da177e4SLinus Torvalds } 2041da177e4SLinus Torvalds 20599df65e7SKevin Cernekee if (priv->flags & ALPS_FW_BK_1) { 2063c00bb96SLaszlo Kajan back = packet[0] & 0x10; 2073c00bb96SLaszlo Kajan forward = packet[2] & 4; 208c30b4c10SIvan Casado Ruiz } 209c30b4c10SIvan Casado Ruiz 21099df65e7SKevin Cernekee if (priv->flags & ALPS_FW_BK_2) { 211c30b4c10SIvan Casado Ruiz back = packet[3] & 4; 212c30b4c10SIvan Casado Ruiz forward = packet[2] & 4; 213c30b4c10SIvan Casado Ruiz if ((middle = forward && back)) 214c30b4c10SIvan Casado Ruiz forward = back = 0; 215c30b4c10SIvan Casado Ruiz } 216c30b4c10SIvan Casado Ruiz 2171da177e4SLinus Torvalds ges = packet[2] & 1; 2181da177e4SLinus Torvalds fin = packet[2] & 2; 2191da177e4SLinus Torvalds 22099df65e7SKevin Cernekee if ((priv->flags & ALPS_DUALPOINT) && z == 127) { 2211da177e4SLinus Torvalds input_report_rel(dev2, REL_X, (x > 383 ? (x - 768) : x)); 2221da177e4SLinus Torvalds input_report_rel(dev2, REL_Y, -(y > 255 ? (y - 512) : y)); 223d7ed5d88SUlrich Dangel 2241d9f2626SSebastian Kapfer alps_report_buttons(psmouse, dev2, dev, left, right, middle); 225d7ed5d88SUlrich Dangel 2261da177e4SLinus Torvalds input_sync(dev2); 2271da177e4SLinus Torvalds return; 2281da177e4SLinus Torvalds } 2291da177e4SLinus Torvalds 2301d9f2626SSebastian Kapfer alps_report_buttons(psmouse, dev, dev2, left, right, middle); 231d7ed5d88SUlrich Dangel 2321da177e4SLinus Torvalds /* Convert hardware tap to a reasonable Z value */ 23371bb21b6SMaxim Levitsky if (ges && !fin) 23471bb21b6SMaxim Levitsky z = 40; 2351da177e4SLinus Torvalds 2361da177e4SLinus Torvalds /* 2371da177e4SLinus Torvalds * A "tap and drag" operation is reported by the hardware as a transition 2381da177e4SLinus Torvalds * from (!fin && ges) to (fin && ges). This should be translated to the 2391da177e4SLinus Torvalds * sequence Z>0, Z==0, Z>0, so the Z==0 event has to be generated manually. 2401da177e4SLinus Torvalds */ 2411da177e4SLinus Torvalds if (ges && fin && !priv->prev_fin) { 2421da177e4SLinus Torvalds input_report_abs(dev, ABS_X, x); 2431da177e4SLinus Torvalds input_report_abs(dev, ABS_Y, y); 2441da177e4SLinus Torvalds input_report_abs(dev, ABS_PRESSURE, 0); 2451da177e4SLinus Torvalds input_report_key(dev, BTN_TOOL_FINGER, 0); 2461da177e4SLinus Torvalds input_sync(dev); 2471da177e4SLinus Torvalds } 2481da177e4SLinus Torvalds priv->prev_fin = fin; 2491da177e4SLinus Torvalds 25071bb21b6SMaxim Levitsky if (z > 30) 25171bb21b6SMaxim Levitsky input_report_key(dev, BTN_TOUCH, 1); 25271bb21b6SMaxim Levitsky if (z < 25) 25371bb21b6SMaxim Levitsky input_report_key(dev, BTN_TOUCH, 0); 2541da177e4SLinus Torvalds 2551da177e4SLinus Torvalds if (z > 0) { 2561da177e4SLinus Torvalds input_report_abs(dev, ABS_X, x); 2571da177e4SLinus Torvalds input_report_abs(dev, ABS_Y, y); 2581da177e4SLinus Torvalds } 2591da177e4SLinus Torvalds 2601da177e4SLinus Torvalds input_report_abs(dev, ABS_PRESSURE, z); 2611da177e4SLinus Torvalds input_report_key(dev, BTN_TOOL_FINGER, z > 0); 2621da177e4SLinus Torvalds 26399df65e7SKevin Cernekee if (priv->flags & ALPS_WHEEL) 264e6c047b9SVojtech Pavlik input_report_rel(dev, REL_WHEEL, ((packet[2] << 1) & 0x08) - ((packet[0] >> 4) & 0x07)); 2651da177e4SLinus Torvalds 26699df65e7SKevin Cernekee if (priv->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) { 267c30b4c10SIvan Casado Ruiz input_report_key(dev, BTN_FORWARD, forward); 268c30b4c10SIvan Casado Ruiz input_report_key(dev, BTN_BACK, back); 2691da177e4SLinus Torvalds } 2701da177e4SLinus Torvalds 27199df65e7SKevin Cernekee if (priv->flags & ALPS_FOUR_BUTTONS) { 27271bb21b6SMaxim Levitsky input_report_key(dev, BTN_0, packet[2] & 4); 27371bb21b6SMaxim Levitsky input_report_key(dev, BTN_1, packet[0] & 0x10); 27471bb21b6SMaxim Levitsky input_report_key(dev, BTN_2, packet[3] & 4); 27571bb21b6SMaxim Levitsky input_report_key(dev, BTN_3, packet[0] & 0x20); 27671bb21b6SMaxim Levitsky } 27771bb21b6SMaxim Levitsky 2781da177e4SLinus Torvalds input_sync(dev); 2791da177e4SLinus Torvalds } 2801da177e4SLinus Torvalds 28101ce661fSSeth Forshee /* 282ee65d4b3SYunkang Tang * Process bitmap data for V5 protocols. Return value is null. 283ee65d4b3SYunkang Tang * 284ee65d4b3SYunkang Tang * The bitmaps don't have enough data to track fingers, so this function 285ee65d4b3SYunkang Tang * only generates points representing a bounding box of at most two contacts. 28602d04254SHans de Goede * These two points are returned in fields->mt. 287ee65d4b3SYunkang Tang */ 288ee65d4b3SYunkang Tang static void alps_process_bitmap_dolphin(struct alps_data *priv, 28902d04254SHans de Goede struct alps_fields *fields) 290ee65d4b3SYunkang Tang { 291ee65d4b3SYunkang Tang int box_middle_x, box_middle_y; 292ee65d4b3SYunkang Tang unsigned int x_map, y_map; 293ee65d4b3SYunkang Tang unsigned char start_bit, end_bit; 294ee65d4b3SYunkang Tang unsigned char x_msb, x_lsb, y_msb, y_lsb; 295ee65d4b3SYunkang Tang 296ee65d4b3SYunkang Tang x_map = fields->x_map; 297ee65d4b3SYunkang Tang y_map = fields->y_map; 298ee65d4b3SYunkang Tang 299ee65d4b3SYunkang Tang if (!x_map || !y_map) 300ee65d4b3SYunkang Tang return; 301ee65d4b3SYunkang Tang 302ee65d4b3SYunkang Tang /* Get Most-significant and Least-significant bit */ 303ee65d4b3SYunkang Tang x_msb = fls(x_map); 304ee65d4b3SYunkang Tang x_lsb = ffs(x_map); 305ee65d4b3SYunkang Tang y_msb = fls(y_map); 306ee65d4b3SYunkang Tang y_lsb = ffs(y_map); 307ee65d4b3SYunkang Tang 308ee65d4b3SYunkang Tang /* Most-significant bit should never exceed max sensor line number */ 309ee65d4b3SYunkang Tang if (x_msb > priv->x_bits || y_msb > priv->y_bits) 310ee65d4b3SYunkang Tang return; 311ee65d4b3SYunkang Tang 312ee65d4b3SYunkang Tang if (fields->fingers > 1) { 313ee65d4b3SYunkang Tang start_bit = priv->x_bits - x_msb; 314ee65d4b3SYunkang Tang end_bit = priv->x_bits - x_lsb; 315ee65d4b3SYunkang Tang box_middle_x = (priv->x_max * (start_bit + end_bit)) / 316ee65d4b3SYunkang Tang (2 * (priv->x_bits - 1)); 317ee65d4b3SYunkang Tang 318ee65d4b3SYunkang Tang start_bit = y_lsb - 1; 319ee65d4b3SYunkang Tang end_bit = y_msb - 1; 320ee65d4b3SYunkang Tang box_middle_y = (priv->y_max * (start_bit + end_bit)) / 321ee65d4b3SYunkang Tang (2 * (priv->y_bits - 1)); 32202d04254SHans de Goede fields->mt[0] = fields->st; 32302d04254SHans de Goede fields->mt[1].x = 2 * box_middle_x - fields->mt[0].x; 32402d04254SHans de Goede fields->mt[1].y = 2 * box_middle_y - fields->mt[0].y; 325ee65d4b3SYunkang Tang } 326ee65d4b3SYunkang Tang } 327ee65d4b3SYunkang Tang 328036e6c7bSHans de Goede static void alps_get_bitmap_points(unsigned int map, 329036e6c7bSHans de Goede struct alps_bitmap_point *low, 330036e6c7bSHans de Goede struct alps_bitmap_point *high, 331036e6c7bSHans de Goede int *fingers) 332036e6c7bSHans de Goede { 333036e6c7bSHans de Goede struct alps_bitmap_point *point; 334036e6c7bSHans de Goede int i, bit, prev_bit = 0; 335036e6c7bSHans de Goede 336036e6c7bSHans de Goede point = low; 337036e6c7bSHans de Goede for (i = 0; map != 0; i++, map >>= 1) { 338036e6c7bSHans de Goede bit = map & 1; 339036e6c7bSHans de Goede if (bit) { 340036e6c7bSHans de Goede if (!prev_bit) { 341036e6c7bSHans de Goede point->start_bit = i; 342105affbfSHans de Goede point->num_bits = 0; 343036e6c7bSHans de Goede (*fingers)++; 344036e6c7bSHans de Goede } 345036e6c7bSHans de Goede point->num_bits++; 346036e6c7bSHans de Goede } else { 347036e6c7bSHans de Goede if (prev_bit) 348036e6c7bSHans de Goede point = high; 349036e6c7bSHans de Goede } 350036e6c7bSHans de Goede prev_bit = bit; 351036e6c7bSHans de Goede } 352036e6c7bSHans de Goede } 353036e6c7bSHans de Goede 354ee65d4b3SYunkang Tang /* 35501ce661fSSeth Forshee * Process bitmap data from v3 and v4 protocols. Returns the number of 35601ce661fSSeth Forshee * fingers detected. A return value of 0 means at least one of the 35701ce661fSSeth Forshee * bitmaps was empty. 35801ce661fSSeth Forshee * 35901ce661fSSeth Forshee * The bitmaps don't have enough data to track fingers, so this function 36001ce661fSSeth Forshee * only generates points representing a bounding box of all contacts. 36102d04254SHans de Goede * These points are returned in fields->mt when the return value 36201ce661fSSeth Forshee * is greater than 0. 36301ce661fSSeth Forshee */ 3647a9f73e7SKevin Cernekee static int alps_process_bitmap(struct alps_data *priv, 36502d04254SHans de Goede struct alps_fields *fields) 36601ce661fSSeth Forshee { 367036e6c7bSHans de Goede int i, fingers_x = 0, fingers_y = 0, fingers; 36801ce661fSSeth Forshee struct alps_bitmap_point x_low = {0,}, x_high = {0,}; 36901ce661fSSeth Forshee struct alps_bitmap_point y_low = {0,}, y_high = {0,}; 37001ce661fSSeth Forshee 37102d04254SHans de Goede if (!fields->x_map || !fields->y_map) 37201ce661fSSeth Forshee return 0; 37301ce661fSSeth Forshee 37402d04254SHans de Goede alps_get_bitmap_points(fields->x_map, &x_low, &x_high, &fingers_x); 37502d04254SHans de Goede alps_get_bitmap_points(fields->y_map, &y_low, &y_high, &fingers_y); 37601ce661fSSeth Forshee 37701ce661fSSeth Forshee /* 37801ce661fSSeth Forshee * Fingers can overlap, so we use the maximum count of fingers 37901ce661fSSeth Forshee * on either axis as the finger count. 38001ce661fSSeth Forshee */ 38101ce661fSSeth Forshee fingers = max(fingers_x, fingers_y); 38201ce661fSSeth Forshee 38301ce661fSSeth Forshee /* 38420bea68bSHans de Goede * If an axis reports only a single contact, we have overlapping or 38520bea68bSHans de Goede * adjacent fingers. Divide the single contact between the two points. 38601ce661fSSeth Forshee */ 38701ce661fSSeth Forshee if (fingers_x == 1) { 38828835f45SHans de Goede i = (x_low.num_bits - 1) / 2; 38901ce661fSSeth Forshee x_low.num_bits = x_low.num_bits - i; 39001ce661fSSeth Forshee x_high.start_bit = x_low.start_bit + i; 39101ce661fSSeth Forshee x_high.num_bits = max(i, 1); 39220bea68bSHans de Goede } 39320bea68bSHans de Goede if (fingers_y == 1) { 39428835f45SHans de Goede i = (y_low.num_bits - 1) / 2; 39501ce661fSSeth Forshee y_low.num_bits = y_low.num_bits - i; 39601ce661fSSeth Forshee y_high.start_bit = y_low.start_bit + i; 39701ce661fSSeth Forshee y_high.num_bits = max(i, 1); 39801ce661fSSeth Forshee } 39901ce661fSSeth Forshee 40002d04254SHans de Goede fields->mt[0].x = 40102d04254SHans de Goede (priv->x_max * (2 * x_low.start_bit + x_low.num_bits - 1)) / 4027a9f73e7SKevin Cernekee (2 * (priv->x_bits - 1)); 40302d04254SHans de Goede fields->mt[0].y = 40402d04254SHans de Goede (priv->y_max * (2 * y_low.start_bit + y_low.num_bits - 1)) / 4057a9f73e7SKevin Cernekee (2 * (priv->y_bits - 1)); 40601ce661fSSeth Forshee 40702d04254SHans de Goede fields->mt[1].x = 40802d04254SHans de Goede (priv->x_max * (2 * x_high.start_bit + x_high.num_bits - 1)) / 4097a9f73e7SKevin Cernekee (2 * (priv->x_bits - 1)); 41002d04254SHans de Goede fields->mt[1].y = 41102d04254SHans de Goede (priv->y_max * (2 * y_high.start_bit + y_high.num_bits - 1)) / 4127a9f73e7SKevin Cernekee (2 * (priv->y_bits - 1)); 41301ce661fSSeth Forshee 41440e8f53bSHans de Goede /* y-bitmap order is reversed, except on rushmore */ 41540e8f53bSHans de Goede if (!(priv->flags & ALPS_IS_RUSHMORE)) { 41602d04254SHans de Goede fields->mt[0].y = priv->y_max - fields->mt[0].y; 41702d04254SHans de Goede fields->mt[1].y = priv->y_max - fields->mt[1].y; 41840e8f53bSHans de Goede } 41940e8f53bSHans de Goede 42001ce661fSSeth Forshee return fingers; 42101ce661fSSeth Forshee } 42201ce661fSSeth Forshee 423cdf333efSHans de Goede static void alps_set_slot(struct input_dev *dev, int slot, int x, int y) 42401ce661fSSeth Forshee { 42501ce661fSSeth Forshee input_mt_slot(dev, slot); 426cdf333efSHans de Goede input_mt_report_slot_state(dev, MT_TOOL_FINGER, true); 42701ce661fSSeth Forshee input_report_abs(dev, ABS_MT_POSITION_X, x); 42801ce661fSSeth Forshee input_report_abs(dev, ABS_MT_POSITION_Y, y); 42901ce661fSSeth Forshee } 43001ce661fSSeth Forshee 431cdf333efSHans de Goede static void alps_report_mt_data(struct psmouse *psmouse, int n) 43201ce661fSSeth Forshee { 43302d04254SHans de Goede struct alps_data *priv = psmouse->private; 43402d04254SHans de Goede struct input_dev *dev = psmouse->dev; 43502d04254SHans de Goede struct alps_fields *f = &priv->f; 436cdf333efSHans de Goede int i, slot[MAX_TOUCHES]; 43702d04254SHans de Goede 438cdf333efSHans de Goede input_mt_assign_slots(dev, slot, f->mt, n); 439cdf333efSHans de Goede for (i = 0; i < n; i++) 440cdf333efSHans de Goede alps_set_slot(dev, slot[i], f->mt[i].x, f->mt[i].y); 441cdf333efSHans de Goede 442cdf333efSHans de Goede input_mt_sync_frame(dev); 44301ce661fSSeth Forshee } 44401ce661fSSeth Forshee 44568c21870SHans de Goede static void alps_report_semi_mt_data(struct psmouse *psmouse, int fingers) 44668c21870SHans de Goede { 44768c21870SHans de Goede struct alps_data *priv = psmouse->private; 44868c21870SHans de Goede struct input_dev *dev = psmouse->dev; 44968c21870SHans de Goede struct alps_fields *f = &priv->f; 45068c21870SHans de Goede 45168c21870SHans de Goede /* Use st data when we don't have mt data */ 45268c21870SHans de Goede if (fingers < 2) { 45368c21870SHans de Goede f->mt[0].x = f->st.x; 45468c21870SHans de Goede f->mt[0].y = f->st.y; 45568c21870SHans de Goede fingers = f->pressure > 0 ? 1 : 0; 45668c21870SHans de Goede } 45768c21870SHans de Goede 45899d9996cSHans de Goede alps_report_mt_data(psmouse, (fingers <= 2) ? fingers : 2); 45968c21870SHans de Goede 46068c21870SHans de Goede input_mt_report_finger_count(dev, fingers); 46168c21870SHans de Goede 46268c21870SHans de Goede input_report_key(dev, BTN_LEFT, f->left); 46368c21870SHans de Goede input_report_key(dev, BTN_RIGHT, f->right); 46468c21870SHans de Goede input_report_key(dev, BTN_MIDDLE, f->middle); 46568c21870SHans de Goede 46668c21870SHans de Goede input_report_abs(dev, ABS_PRESSURE, f->pressure); 46768c21870SHans de Goede 46868c21870SHans de Goede input_sync(dev); 46968c21870SHans de Goede } 47068c21870SHans de Goede 47125bded7cSSeth Forshee static void alps_process_trackstick_packet_v3(struct psmouse *psmouse) 47225bded7cSSeth Forshee { 47325bded7cSSeth Forshee struct alps_data *priv = psmouse->private; 47425bded7cSSeth Forshee unsigned char *packet = psmouse->packet; 47525bded7cSSeth Forshee struct input_dev *dev = priv->dev2; 47625bded7cSSeth Forshee int x, y, z, left, right, middle; 47725bded7cSSeth Forshee 47834412ba2SPali Rohár /* It should be a DualPoint when received trackstick packet */ 47934412ba2SPali Rohár if (!(priv->flags & ALPS_DUALPOINT)) { 48034412ba2SPali Rohár psmouse_warn(psmouse, 48134412ba2SPali Rohár "Rejected trackstick packet from non DualPoint device"); 48234412ba2SPali Rohár return; 48334412ba2SPali Rohár } 48434412ba2SPali Rohár 48525bded7cSSeth Forshee /* Sanity check packet */ 48625bded7cSSeth Forshee if (!(packet[0] & 0x40)) { 48725bded7cSSeth Forshee psmouse_dbg(psmouse, "Bad trackstick packet, discarding\n"); 48825bded7cSSeth Forshee return; 48925bded7cSSeth Forshee } 49025bded7cSSeth Forshee 49125bded7cSSeth Forshee /* 49225bded7cSSeth Forshee * There's a special packet that seems to indicate the end 49325bded7cSSeth Forshee * of a stream of trackstick data. Filter these out. 49425bded7cSSeth Forshee */ 49525bded7cSSeth Forshee if (packet[1] == 0x7f && packet[2] == 0x7f && packet[4] == 0x7f) 49625bded7cSSeth Forshee return; 49725bded7cSSeth Forshee 49825bded7cSSeth Forshee x = (s8)(((packet[0] & 0x20) << 2) | (packet[1] & 0x7f)); 49925bded7cSSeth Forshee y = (s8)(((packet[0] & 0x10) << 3) | (packet[2] & 0x7f)); 50025bded7cSSeth Forshee z = (packet[4] & 0x7c) >> 2; 50125bded7cSSeth Forshee 50225bded7cSSeth Forshee /* 50325bded7cSSeth Forshee * The x and y values tend to be quite large, and when used 50425bded7cSSeth Forshee * alone the trackstick is difficult to use. Scale them down 50525bded7cSSeth Forshee * to compensate. 50625bded7cSSeth Forshee */ 50725bded7cSSeth Forshee x /= 8; 50825bded7cSSeth Forshee y /= 8; 50925bded7cSSeth Forshee 51025bded7cSSeth Forshee input_report_rel(dev, REL_X, x); 51125bded7cSSeth Forshee input_report_rel(dev, REL_Y, -y); 51225bded7cSSeth Forshee 51325bded7cSSeth Forshee /* 51425bded7cSSeth Forshee * Most ALPS models report the trackstick buttons in the touchpad 51525bded7cSSeth Forshee * packets, but a few report them here. No reliable way has been 51625bded7cSSeth Forshee * found to differentiate between the models upfront, so we enable 51725bded7cSSeth Forshee * the quirk in response to seeing a button press in the trackstick 51825bded7cSSeth Forshee * packet. 51925bded7cSSeth Forshee */ 52025bded7cSSeth Forshee left = packet[3] & 0x01; 52125bded7cSSeth Forshee right = packet[3] & 0x02; 52225bded7cSSeth Forshee middle = packet[3] & 0x04; 52325bded7cSSeth Forshee 52425bded7cSSeth Forshee if (!(priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS) && 52525bded7cSSeth Forshee (left || right || middle)) 52625bded7cSSeth Forshee priv->quirks |= ALPS_QUIRK_TRACKSTICK_BUTTONS; 52725bded7cSSeth Forshee 52825bded7cSSeth Forshee if (priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS) { 52925bded7cSSeth Forshee input_report_key(dev, BTN_LEFT, left); 53025bded7cSSeth Forshee input_report_key(dev, BTN_RIGHT, right); 53125bded7cSSeth Forshee input_report_key(dev, BTN_MIDDLE, middle); 53225bded7cSSeth Forshee } 53325bded7cSSeth Forshee 53425bded7cSSeth Forshee input_sync(dev); 53525bded7cSSeth Forshee return; 53625bded7cSSeth Forshee } 53725bded7cSSeth Forshee 538f85e5001SKevin Cernekee static void alps_decode_buttons_v3(struct alps_fields *f, unsigned char *p) 539f85e5001SKevin Cernekee { 540f85e5001SKevin Cernekee f->left = !!(p[3] & 0x01); 541f85e5001SKevin Cernekee f->right = !!(p[3] & 0x02); 542f85e5001SKevin Cernekee f->middle = !!(p[3] & 0x04); 543f85e5001SKevin Cernekee 544f85e5001SKevin Cernekee f->ts_left = !!(p[3] & 0x10); 545f85e5001SKevin Cernekee f->ts_right = !!(p[3] & 0x20); 546f85e5001SKevin Cernekee f->ts_middle = !!(p[3] & 0x40); 547f85e5001SKevin Cernekee } 548f85e5001SKevin Cernekee 54938c11eaaSHans de Goede static int alps_decode_pinnacle(struct alps_fields *f, unsigned char *p, 550ee65d4b3SYunkang Tang struct psmouse *psmouse) 551f85e5001SKevin Cernekee { 552f85e5001SKevin Cernekee f->first_mp = !!(p[4] & 0x40); 553f85e5001SKevin Cernekee f->is_mp = !!(p[0] & 0x40); 554f85e5001SKevin Cernekee 555f85e5001SKevin Cernekee f->fingers = (p[5] & 0x3) + 1; 556f85e5001SKevin Cernekee f->x_map = ((p[4] & 0x7e) << 8) | 557f85e5001SKevin Cernekee ((p[1] & 0x7f) << 2) | 558f85e5001SKevin Cernekee ((p[0] & 0x30) >> 4); 559f85e5001SKevin Cernekee f->y_map = ((p[3] & 0x70) << 4) | 560f85e5001SKevin Cernekee ((p[2] & 0x7f) << 1) | 561f85e5001SKevin Cernekee (p[4] & 0x01); 562f85e5001SKevin Cernekee 56302d04254SHans de Goede f->st.x = ((p[1] & 0x7f) << 4) | ((p[4] & 0x30) >> 2) | 564f85e5001SKevin Cernekee ((p[0] & 0x30) >> 4); 56502d04254SHans de Goede f->st.y = ((p[2] & 0x7f) << 4) | (p[4] & 0x0f); 56602d04254SHans de Goede f->pressure = p[5] & 0x7f; 567f85e5001SKevin Cernekee 568f85e5001SKevin Cernekee alps_decode_buttons_v3(f, p); 56938c11eaaSHans de Goede 57038c11eaaSHans de Goede return 0; 571f85e5001SKevin Cernekee } 572f85e5001SKevin Cernekee 57338c11eaaSHans de Goede static int alps_decode_rushmore(struct alps_fields *f, unsigned char *p, 574ee65d4b3SYunkang Tang struct psmouse *psmouse) 5751302bac3SKevin Cernekee { 576ee65d4b3SYunkang Tang alps_decode_pinnacle(f, p, psmouse); 5771302bac3SKevin Cernekee 578f105e34aSYunkang Tang /* Rushmore's packet decode has a bit difference with Pinnacle's */ 579f105e34aSYunkang Tang f->is_mp = !!(p[5] & 0x40); 580f105e34aSYunkang Tang f->fingers = max((p[5] & 0x3), ((p[5] >> 2) & 0x3)) + 1; 5811302bac3SKevin Cernekee f->x_map |= (p[5] & 0x10) << 11; 5821302bac3SKevin Cernekee f->y_map |= (p[5] & 0x20) << 6; 58338c11eaaSHans de Goede 58438c11eaaSHans de Goede return 0; 5851302bac3SKevin Cernekee } 5861302bac3SKevin Cernekee 58738c11eaaSHans de Goede static int alps_decode_dolphin(struct alps_fields *f, unsigned char *p, 588ee65d4b3SYunkang Tang struct psmouse *psmouse) 58975af9e56SDave Turvene { 590ee65d4b3SYunkang Tang u64 palm_data = 0; 591ee65d4b3SYunkang Tang struct alps_data *priv = psmouse->private; 592ee65d4b3SYunkang Tang 59375af9e56SDave Turvene f->first_mp = !!(p[0] & 0x02); 59475af9e56SDave Turvene f->is_mp = !!(p[0] & 0x20); 59575af9e56SDave Turvene 596ee65d4b3SYunkang Tang if (!f->is_mp) { 59702d04254SHans de Goede f->st.x = ((p[1] & 0x7f) | ((p[4] & 0x0f) << 7)); 59802d04254SHans de Goede f->st.y = ((p[2] & 0x7f) | ((p[4] & 0xf0) << 3)); 59902d04254SHans de Goede f->pressure = (p[0] & 4) ? 0 : p[5] & 0x7f; 60075af9e56SDave Turvene alps_decode_buttons_v3(f, p); 601ee65d4b3SYunkang Tang } else { 602ee65d4b3SYunkang Tang f->fingers = ((p[0] & 0x6) >> 1 | 603ee65d4b3SYunkang Tang (p[0] & 0x10) >> 2); 604ee65d4b3SYunkang Tang 605ee65d4b3SYunkang Tang palm_data = (p[1] & 0x7f) | 606ee65d4b3SYunkang Tang ((p[2] & 0x7f) << 7) | 607ee65d4b3SYunkang Tang ((p[4] & 0x7f) << 14) | 608ee65d4b3SYunkang Tang ((p[5] & 0x7f) << 21) | 609ee65d4b3SYunkang Tang ((p[3] & 0x07) << 28) | 610ee65d4b3SYunkang Tang (((u64)p[3] & 0x70) << 27) | 611ee65d4b3SYunkang Tang (((u64)p[0] & 0x01) << 34); 612ee65d4b3SYunkang Tang 613ee65d4b3SYunkang Tang /* Y-profile is stored in P(0) to p(n-1), n = y_bits; */ 614ee65d4b3SYunkang Tang f->y_map = palm_data & (BIT(priv->y_bits) - 1); 615ee65d4b3SYunkang Tang 616ee65d4b3SYunkang Tang /* X-profile is stored in p(n) to p(n+m-1), m = x_bits; */ 617ee65d4b3SYunkang Tang f->x_map = (palm_data >> priv->y_bits) & 618ee65d4b3SYunkang Tang (BIT(priv->x_bits) - 1); 619ee65d4b3SYunkang Tang } 62038c11eaaSHans de Goede 62138c11eaaSHans de Goede return 0; 62275af9e56SDave Turvene } 62375af9e56SDave Turvene 624ee65d4b3SYunkang Tang static void alps_process_touchpad_packet_v3_v5(struct psmouse *psmouse) 62525bded7cSSeth Forshee { 62625bded7cSSeth Forshee struct alps_data *priv = psmouse->private; 62725bded7cSSeth Forshee unsigned char *packet = psmouse->packet; 62825bded7cSSeth Forshee struct input_dev *dev2 = priv->dev2; 62902d04254SHans de Goede struct alps_fields *f = &priv->f; 63002d04254SHans de Goede int fingers = 0; 631f85e5001SKevin Cernekee 63202d04254SHans de Goede memset(f, 0, sizeof(*f)); 63302d04254SHans de Goede 63402d04254SHans de Goede priv->decode_fields(f, packet, psmouse); 63525bded7cSSeth Forshee 63625bded7cSSeth Forshee /* 63701ce661fSSeth Forshee * There's no single feature of touchpad position and bitmap packets 63801ce661fSSeth Forshee * that can be used to distinguish between them. We rely on the fact 63901ce661fSSeth Forshee * that a bitmap packet should always follow a position packet with 64001ce661fSSeth Forshee * bit 6 of packet[4] set. 64125bded7cSSeth Forshee */ 64225bded7cSSeth Forshee if (priv->multi_packet) { 64325bded7cSSeth Forshee /* 64425bded7cSSeth Forshee * Sometimes a position packet will indicate a multi-packet 64525bded7cSSeth Forshee * sequence, but then what follows is another position 64625bded7cSSeth Forshee * packet. Check for this, and when it happens process the 64725bded7cSSeth Forshee * position packet as usual. 64825bded7cSSeth Forshee */ 64902d04254SHans de Goede if (f->is_mp) { 65002d04254SHans de Goede fingers = f->fingers; 651ee65d4b3SYunkang Tang if (priv->proto_version == ALPS_PROTO_V3) { 65202d04254SHans de Goede if (alps_process_bitmap(priv, f) == 0) 65320bea68bSHans de Goede fingers = 0; /* Use st data */ 65401ce661fSSeth Forshee 65501ce661fSSeth Forshee /* Now process position packet */ 65602d04254SHans de Goede priv->decode_fields(f, priv->multi_data, 657ee65d4b3SYunkang Tang psmouse); 658ee65d4b3SYunkang Tang } else { 659ee65d4b3SYunkang Tang /* 660ee65d4b3SYunkang Tang * Because Dolphin uses position packet's 661ee65d4b3SYunkang Tang * coordinate data as Pt1 and uses it to 662ee65d4b3SYunkang Tang * calculate Pt2, so we need to do position 663ee65d4b3SYunkang Tang * packet decode first. 664ee65d4b3SYunkang Tang */ 66502d04254SHans de Goede priv->decode_fields(f, priv->multi_data, 666ee65d4b3SYunkang Tang psmouse); 667ee65d4b3SYunkang Tang 668ee65d4b3SYunkang Tang /* 669ee65d4b3SYunkang Tang * Since Dolphin's finger number is reliable, 670ee65d4b3SYunkang Tang * there is no need to compare with bmap_fn. 671ee65d4b3SYunkang Tang */ 67202d04254SHans de Goede alps_process_bitmap_dolphin(priv, f); 673ee65d4b3SYunkang Tang } 67401ce661fSSeth Forshee } else { 67501ce661fSSeth Forshee priv->multi_packet = 0; 67625bded7cSSeth Forshee } 67725bded7cSSeth Forshee } 67825bded7cSSeth Forshee 67901ce661fSSeth Forshee /* 68001ce661fSSeth Forshee * Bit 6 of byte 0 is not usually set in position packets. The only 68101ce661fSSeth Forshee * times it seems to be set is in situations where the data is 68201ce661fSSeth Forshee * suspect anyway, e.g. a palm resting flat on the touchpad. Given 68301ce661fSSeth Forshee * this combined with the fact that this bit is useful for filtering 68401ce661fSSeth Forshee * out misidentified bitmap packets, we reject anything with this 68501ce661fSSeth Forshee * bit set. 68601ce661fSSeth Forshee */ 68702d04254SHans de Goede if (f->is_mp) 68801ce661fSSeth Forshee return; 68901ce661fSSeth Forshee 69002d04254SHans de Goede if (!priv->multi_packet && f->first_mp) { 69125bded7cSSeth Forshee priv->multi_packet = 1; 69201ce661fSSeth Forshee memcpy(priv->multi_data, packet, sizeof(priv->multi_data)); 69301ce661fSSeth Forshee return; 69401ce661fSSeth Forshee } 69501ce661fSSeth Forshee 69625bded7cSSeth Forshee priv->multi_packet = 0; 69725bded7cSSeth Forshee 69825bded7cSSeth Forshee /* 69925bded7cSSeth Forshee * Sometimes the hardware sends a single packet with z = 0 70025bded7cSSeth Forshee * in the middle of a stream. Real releases generate packets 70125bded7cSSeth Forshee * with x, y, and z all zero, so these seem to be flukes. 70225bded7cSSeth Forshee * Ignore them. 70325bded7cSSeth Forshee */ 70402d04254SHans de Goede if (f->st.x && f->st.y && !f->pressure) 70525bded7cSSeth Forshee return; 70625bded7cSSeth Forshee 70768c21870SHans de Goede alps_report_semi_mt_data(psmouse, fingers); 70825bded7cSSeth Forshee 70934412ba2SPali Rohár if ((priv->flags & ALPS_DUALPOINT) && 71034412ba2SPali Rohár !(priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS)) { 71102d04254SHans de Goede input_report_key(dev2, BTN_LEFT, f->ts_left); 71202d04254SHans de Goede input_report_key(dev2, BTN_RIGHT, f->ts_right); 71302d04254SHans de Goede input_report_key(dev2, BTN_MIDDLE, f->ts_middle); 71425bded7cSSeth Forshee input_sync(dev2); 71525bded7cSSeth Forshee } 71625bded7cSSeth Forshee } 71725bded7cSSeth Forshee 71825bded7cSSeth Forshee static void alps_process_packet_v3(struct psmouse *psmouse) 71925bded7cSSeth Forshee { 72025bded7cSSeth Forshee unsigned char *packet = psmouse->packet; 72125bded7cSSeth Forshee 72225bded7cSSeth Forshee /* 72325bded7cSSeth Forshee * v3 protocol packets come in three types, two representing 72425bded7cSSeth Forshee * touchpad data and one representing trackstick data. 72525bded7cSSeth Forshee * Trackstick packets seem to be distinguished by always 72625bded7cSSeth Forshee * having 0x3f in the last byte. This value has never been 72725bded7cSSeth Forshee * observed in the last byte of either of the other types 72825bded7cSSeth Forshee * of packets. 72925bded7cSSeth Forshee */ 73025bded7cSSeth Forshee if (packet[5] == 0x3f) { 73125bded7cSSeth Forshee alps_process_trackstick_packet_v3(psmouse); 73225bded7cSSeth Forshee return; 73325bded7cSSeth Forshee } 73425bded7cSSeth Forshee 735ee65d4b3SYunkang Tang alps_process_touchpad_packet_v3_v5(psmouse); 73625bded7cSSeth Forshee } 73725bded7cSSeth Forshee 73895f75e91SYunkang Tang static void alps_process_packet_v6(struct psmouse *psmouse) 73995f75e91SYunkang Tang { 74095f75e91SYunkang Tang struct alps_data *priv = psmouse->private; 74195f75e91SYunkang Tang unsigned char *packet = psmouse->packet; 74295f75e91SYunkang Tang struct input_dev *dev = psmouse->dev; 74395f75e91SYunkang Tang struct input_dev *dev2 = priv->dev2; 74495f75e91SYunkang Tang int x, y, z, left, right, middle; 74595f75e91SYunkang Tang 74695f75e91SYunkang Tang /* 74795f75e91SYunkang Tang * We can use Byte5 to distinguish if the packet is from Touchpad 74895f75e91SYunkang Tang * or Trackpoint. 74995f75e91SYunkang Tang * Touchpad: 0 - 0x7E 75095f75e91SYunkang Tang * Trackpoint: 0x7F 75195f75e91SYunkang Tang */ 75295f75e91SYunkang Tang if (packet[5] == 0x7F) { 75395f75e91SYunkang Tang /* It should be a DualPoint when received Trackpoint packet */ 75434412ba2SPali Rohár if (!(priv->flags & ALPS_DUALPOINT)) { 75534412ba2SPali Rohár psmouse_warn(psmouse, 75634412ba2SPali Rohár "Rejected trackstick packet from non DualPoint device"); 75795f75e91SYunkang Tang return; 75834412ba2SPali Rohár } 75995f75e91SYunkang Tang 76095f75e91SYunkang Tang /* Trackpoint packet */ 76195f75e91SYunkang Tang x = packet[1] | ((packet[3] & 0x20) << 2); 76295f75e91SYunkang Tang y = packet[2] | ((packet[3] & 0x40) << 1); 76395f75e91SYunkang Tang z = packet[4]; 76495f75e91SYunkang Tang left = packet[3] & 0x01; 76595f75e91SYunkang Tang right = packet[3] & 0x02; 76695f75e91SYunkang Tang middle = packet[3] & 0x04; 76795f75e91SYunkang Tang 76895f75e91SYunkang Tang /* To prevent the cursor jump when finger lifted */ 76995f75e91SYunkang Tang if (x == 0x7F && y == 0x7F && z == 0x7F) 77095f75e91SYunkang Tang x = y = z = 0; 77195f75e91SYunkang Tang 77295f75e91SYunkang Tang /* Divide 4 since trackpoint's speed is too fast */ 77395f75e91SYunkang Tang input_report_rel(dev2, REL_X, (char)x / 4); 77495f75e91SYunkang Tang input_report_rel(dev2, REL_Y, -((char)y / 4)); 77595f75e91SYunkang Tang 77695f75e91SYunkang Tang input_report_key(dev2, BTN_LEFT, left); 77795f75e91SYunkang Tang input_report_key(dev2, BTN_RIGHT, right); 77895f75e91SYunkang Tang input_report_key(dev2, BTN_MIDDLE, middle); 77995f75e91SYunkang Tang 78095f75e91SYunkang Tang input_sync(dev2); 78195f75e91SYunkang Tang return; 78295f75e91SYunkang Tang } 78395f75e91SYunkang Tang 78495f75e91SYunkang Tang /* Touchpad packet */ 78595f75e91SYunkang Tang x = packet[1] | ((packet[3] & 0x78) << 4); 78695f75e91SYunkang Tang y = packet[2] | ((packet[4] & 0x78) << 4); 78795f75e91SYunkang Tang z = packet[5]; 78895f75e91SYunkang Tang left = packet[3] & 0x01; 78995f75e91SYunkang Tang right = packet[3] & 0x02; 79095f75e91SYunkang Tang 79195f75e91SYunkang Tang if (z > 30) 79295f75e91SYunkang Tang input_report_key(dev, BTN_TOUCH, 1); 79395f75e91SYunkang Tang if (z < 25) 79495f75e91SYunkang Tang input_report_key(dev, BTN_TOUCH, 0); 79595f75e91SYunkang Tang 79695f75e91SYunkang Tang if (z > 0) { 79795f75e91SYunkang Tang input_report_abs(dev, ABS_X, x); 79895f75e91SYunkang Tang input_report_abs(dev, ABS_Y, y); 79995f75e91SYunkang Tang } 80095f75e91SYunkang Tang 80195f75e91SYunkang Tang input_report_abs(dev, ABS_PRESSURE, z); 80295f75e91SYunkang Tang input_report_key(dev, BTN_TOOL_FINGER, z > 0); 80395f75e91SYunkang Tang 80495f75e91SYunkang Tang /* v6 touchpad does not have middle button */ 80595f75e91SYunkang Tang input_report_key(dev, BTN_LEFT, left); 80695f75e91SYunkang Tang input_report_key(dev, BTN_RIGHT, right); 80795f75e91SYunkang Tang 80895f75e91SYunkang Tang input_sync(dev); 80995f75e91SYunkang Tang } 81095f75e91SYunkang Tang 81125bded7cSSeth Forshee static void alps_process_packet_v4(struct psmouse *psmouse) 81225bded7cSSeth Forshee { 8133b7e09faSGeorge Pantalos struct alps_data *priv = psmouse->private; 81425bded7cSSeth Forshee unsigned char *packet = psmouse->packet; 81502d04254SHans de Goede struct alps_fields *f = &priv->f; 81668c21870SHans de Goede int offset; 8173b7e09faSGeorge Pantalos 8183b7e09faSGeorge Pantalos /* 8193b7e09faSGeorge Pantalos * v4 has a 6-byte encoding for bitmap data, but this data is 8203b7e09faSGeorge Pantalos * broken up between 3 normal packets. Use priv->multi_packet to 8213b7e09faSGeorge Pantalos * track our position in the bitmap packet. 8223b7e09faSGeorge Pantalos */ 8233b7e09faSGeorge Pantalos if (packet[6] & 0x40) { 8243b7e09faSGeorge Pantalos /* sync, reset position */ 8253b7e09faSGeorge Pantalos priv->multi_packet = 0; 8263b7e09faSGeorge Pantalos } 8273b7e09faSGeorge Pantalos 8283b7e09faSGeorge Pantalos if (WARN_ON_ONCE(priv->multi_packet > 2)) 8293b7e09faSGeorge Pantalos return; 8303b7e09faSGeorge Pantalos 8313b7e09faSGeorge Pantalos offset = 2 * priv->multi_packet; 8323b7e09faSGeorge Pantalos priv->multi_data[offset] = packet[6]; 8333b7e09faSGeorge Pantalos priv->multi_data[offset + 1] = packet[7]; 8343b7e09faSGeorge Pantalos 8353b7e09faSGeorge Pantalos if (++priv->multi_packet > 2) { 8363b7e09faSGeorge Pantalos priv->multi_packet = 0; 8373b7e09faSGeorge Pantalos 83802d04254SHans de Goede f->x_map = ((priv->multi_data[2] & 0x1f) << 10) | 8393b7e09faSGeorge Pantalos ((priv->multi_data[3] & 0x60) << 3) | 8403b7e09faSGeorge Pantalos ((priv->multi_data[0] & 0x3f) << 2) | 8413b7e09faSGeorge Pantalos ((priv->multi_data[1] & 0x60) >> 5); 84202d04254SHans de Goede f->y_map = ((priv->multi_data[5] & 0x01) << 10) | 8433b7e09faSGeorge Pantalos ((priv->multi_data[3] & 0x1f) << 5) | 8443b7e09faSGeorge Pantalos (priv->multi_data[1] & 0x1f); 8453b7e09faSGeorge Pantalos 84602d04254SHans de Goede f->fingers = alps_process_bitmap(priv, f); 8473b7e09faSGeorge Pantalos } 84825bded7cSSeth Forshee 84902d04254SHans de Goede f->left = packet[4] & 0x01; 85002d04254SHans de Goede f->right = packet[4] & 0x02; 85125bded7cSSeth Forshee 85202d04254SHans de Goede f->st.x = ((packet[1] & 0x7f) << 4) | ((packet[3] & 0x30) >> 2) | 85325bded7cSSeth Forshee ((packet[0] & 0x30) >> 4); 85402d04254SHans de Goede f->st.y = ((packet[2] & 0x7f) << 4) | (packet[3] & 0x0f); 85502d04254SHans de Goede f->pressure = packet[5] & 0x7f; 85625bded7cSSeth Forshee 85768c21870SHans de Goede alps_report_semi_mt_data(psmouse, f->fingers); 85825bded7cSSeth Forshee } 85925bded7cSSeth Forshee 8603808843cSYunkang Tang static bool alps_is_valid_package_v7(struct psmouse *psmouse) 8613808843cSYunkang Tang { 8623808843cSYunkang Tang switch (psmouse->pktcnt) { 8633808843cSYunkang Tang case 3: 8643808843cSYunkang Tang return (psmouse->packet[2] & 0x40) == 0x40; 8653808843cSYunkang Tang case 4: 8663808843cSYunkang Tang return (psmouse->packet[3] & 0x48) == 0x48; 8673808843cSYunkang Tang case 6: 8683808843cSYunkang Tang return (psmouse->packet[5] & 0x40) == 0x00; 8693808843cSYunkang Tang } 8703808843cSYunkang Tang return true; 8713808843cSYunkang Tang } 8723808843cSYunkang Tang 8733808843cSYunkang Tang static unsigned char alps_get_packet_id_v7(char *byte) 8743808843cSYunkang Tang { 8753808843cSYunkang Tang unsigned char packet_id; 8763808843cSYunkang Tang 8773808843cSYunkang Tang if (byte[4] & 0x40) 8783808843cSYunkang Tang packet_id = V7_PACKET_ID_TWO; 8793808843cSYunkang Tang else if (byte[4] & 0x01) 8803808843cSYunkang Tang packet_id = V7_PACKET_ID_MULTI; 8813808843cSYunkang Tang else if ((byte[0] & 0x10) && !(byte[4] & 0x43)) 8823808843cSYunkang Tang packet_id = V7_PACKET_ID_NEW; 8833808843cSYunkang Tang else if (byte[1] == 0x00 && byte[4] == 0x00) 8843808843cSYunkang Tang packet_id = V7_PACKET_ID_IDLE; 8853808843cSYunkang Tang else 8863808843cSYunkang Tang packet_id = V7_PACKET_ID_UNKNOWN; 8873808843cSYunkang Tang 8883808843cSYunkang Tang return packet_id; 8893808843cSYunkang Tang } 8903808843cSYunkang Tang 8913808843cSYunkang Tang static void alps_get_finger_coordinate_v7(struct input_mt_pos *mt, 8923808843cSYunkang Tang unsigned char *pkt, 8933808843cSYunkang Tang unsigned char pkt_id) 8943808843cSYunkang Tang { 89527a560baSHans de Goede /* 89627a560baSHans de Goede * packet-fmt b7 b6 b5 b4 b3 b2 b1 b0 89727a560baSHans de Goede * Byte0 TWO & MULTI L 1 R M 1 Y0-2 Y0-1 Y0-0 89827a560baSHans de Goede * Byte0 NEW L 1 X1-5 1 1 Y0-2 Y0-1 Y0-0 89927a560baSHans de Goede * Byte1 Y0-10 Y0-9 Y0-8 Y0-7 Y0-6 Y0-5 Y0-4 Y0-3 90027a560baSHans de Goede * Byte2 X0-11 1 X0-10 X0-9 X0-8 X0-7 X0-6 X0-5 90127a560baSHans de Goede * Byte3 X1-11 1 X0-4 X0-3 1 X0-2 X0-1 X0-0 90227a560baSHans de Goede * Byte4 TWO X1-10 TWO X1-9 X1-8 X1-7 X1-6 X1-5 X1-4 90327a560baSHans de Goede * Byte4 MULTI X1-10 TWO X1-9 X1-8 X1-7 X1-6 Y1-5 1 90427a560baSHans de Goede * Byte4 NEW X1-10 TWO X1-9 X1-8 X1-7 X1-6 0 0 90527a560baSHans de Goede * Byte5 TWO & NEW Y1-10 0 Y1-9 Y1-8 Y1-7 Y1-6 Y1-5 Y1-4 90627a560baSHans de Goede * Byte5 MULTI Y1-10 0 Y1-9 Y1-8 Y1-7 Y1-6 F-1 F-0 90727a560baSHans de Goede * L: Left button 90827a560baSHans de Goede * R / M: Non-clickpads: Right / Middle button 90927a560baSHans de Goede * Clickpads: When > 2 fingers are down, and some fingers 91027a560baSHans de Goede * are in the button area, then the 2 coordinates reported 91127a560baSHans de Goede * are for fingers outside the button area and these report 91227a560baSHans de Goede * extra fingers being present in the right / left button 91327a560baSHans de Goede * area. Note these fingers are not added to the F field! 91427a560baSHans de Goede * so if a TWO packet is received and R = 1 then there are 91527a560baSHans de Goede * 3 fingers down, etc. 91627a560baSHans de Goede * TWO: 1: Two touches present, byte 0/4/5 are in TWO fmt 91727a560baSHans de Goede * 0: If byte 4 bit 0 is 1, then byte 0/4/5 are in MULTI fmt 91827a560baSHans de Goede * otherwise byte 0 bit 4 must be set and byte 0/4/5 are 91927a560baSHans de Goede * in NEW fmt 92027a560baSHans de Goede * F: Number of fingers - 3, 0 means 3 fingers, 1 means 4 ... 92127a560baSHans de Goede */ 92227a560baSHans de Goede 9233808843cSYunkang Tang mt[0].x = ((pkt[2] & 0x80) << 4); 9243808843cSYunkang Tang mt[0].x |= ((pkt[2] & 0x3F) << 5); 9253808843cSYunkang Tang mt[0].x |= ((pkt[3] & 0x30) >> 1); 9263808843cSYunkang Tang mt[0].x |= (pkt[3] & 0x07); 9273808843cSYunkang Tang mt[0].y = (pkt[1] << 3) | (pkt[0] & 0x07); 9283808843cSYunkang Tang 9293808843cSYunkang Tang mt[1].x = ((pkt[3] & 0x80) << 4); 9303808843cSYunkang Tang mt[1].x |= ((pkt[4] & 0x80) << 3); 9313808843cSYunkang Tang mt[1].x |= ((pkt[4] & 0x3F) << 4); 9323808843cSYunkang Tang mt[1].y = ((pkt[5] & 0x80) << 3); 9333808843cSYunkang Tang mt[1].y |= ((pkt[5] & 0x3F) << 4); 9343808843cSYunkang Tang 9353808843cSYunkang Tang switch (pkt_id) { 9363808843cSYunkang Tang case V7_PACKET_ID_TWO: 9373808843cSYunkang Tang mt[1].x &= ~0x000F; 9383808843cSYunkang Tang mt[1].y |= 0x000F; 9393808843cSYunkang Tang break; 9403808843cSYunkang Tang 9413808843cSYunkang Tang case V7_PACKET_ID_MULTI: 9423808843cSYunkang Tang mt[1].x &= ~0x003F; 9433808843cSYunkang Tang mt[1].y &= ~0x0020; 9443808843cSYunkang Tang mt[1].y |= ((pkt[4] & 0x02) << 4); 9453808843cSYunkang Tang mt[1].y |= 0x001F; 9463808843cSYunkang Tang break; 9473808843cSYunkang Tang 9483808843cSYunkang Tang case V7_PACKET_ID_NEW: 9493808843cSYunkang Tang mt[1].x &= ~0x003F; 9503808843cSYunkang Tang mt[1].x |= (pkt[0] & 0x20); 9513808843cSYunkang Tang mt[1].y |= 0x000F; 9523808843cSYunkang Tang break; 9533808843cSYunkang Tang } 9543808843cSYunkang Tang 9553808843cSYunkang Tang mt[0].y = 0x7FF - mt[0].y; 9563808843cSYunkang Tang mt[1].y = 0x7FF - mt[1].y; 9573808843cSYunkang Tang } 9583808843cSYunkang Tang 9593808843cSYunkang Tang static int alps_get_mt_count(struct input_mt_pos *mt) 9603808843cSYunkang Tang { 9617091c443SHans de Goede int i, fingers = 0; 9623808843cSYunkang Tang 9637091c443SHans de Goede for (i = 0; i < MAX_TOUCHES; i++) { 9647091c443SHans de Goede if (mt[i].x != 0 || mt[i].y != 0) 9657091c443SHans de Goede fingers++; 9667091c443SHans de Goede } 9673808843cSYunkang Tang 9687091c443SHans de Goede return fingers; 9693808843cSYunkang Tang } 9703808843cSYunkang Tang 9713808843cSYunkang Tang static int alps_decode_packet_v7(struct alps_fields *f, 9723808843cSYunkang Tang unsigned char *p, 9733808843cSYunkang Tang struct psmouse *psmouse) 9743808843cSYunkang Tang { 975d27eb793SHans de Goede struct alps_data *priv = psmouse->private; 9763808843cSYunkang Tang unsigned char pkt_id; 9773808843cSYunkang Tang 9783808843cSYunkang Tang pkt_id = alps_get_packet_id_v7(p); 9793808843cSYunkang Tang if (pkt_id == V7_PACKET_ID_IDLE) 9803808843cSYunkang Tang return 0; 9813808843cSYunkang Tang if (pkt_id == V7_PACKET_ID_UNKNOWN) 9823808843cSYunkang Tang return -1; 9838b238115SHans de Goede /* 9848b238115SHans de Goede * NEW packets are send to indicate a discontinuity in the finger 9858b238115SHans de Goede * coordinate reporting. Specifically a finger may have moved from 9868b238115SHans de Goede * slot 0 to 1 or vice versa. INPUT_MT_TRACK takes care of this for 9878b238115SHans de Goede * us. 9888b238115SHans de Goede * 9898b238115SHans de Goede * NEW packets have 3 problems: 9908b238115SHans de Goede * 1) They do not contain middle / right button info (on non clickpads) 9918b238115SHans de Goede * this can be worked around by preserving the old button state 9928b238115SHans de Goede * 2) They do not contain an accurate fingercount, and they are 9938b238115SHans de Goede * typically send when the number of fingers changes. We cannot use 9948b238115SHans de Goede * the old finger count as that may mismatch with the amount of 9958b238115SHans de Goede * touch coordinates we've available in the NEW packet 9968b238115SHans de Goede * 3) Their x data for the second touch is inaccurate leading to 9978b238115SHans de Goede * a possible jump of the x coordinate by 16 units when the first 9988b238115SHans de Goede * non NEW packet comes in 9998b238115SHans de Goede * Since problems 2 & 3 cannot be worked around, just ignore them. 10008b238115SHans de Goede */ 10018b238115SHans de Goede if (pkt_id == V7_PACKET_ID_NEW) 10028b238115SHans de Goede return 1; 10033808843cSYunkang Tang 10043808843cSYunkang Tang alps_get_finger_coordinate_v7(f->mt, p, pkt_id); 10053808843cSYunkang Tang 10063808843cSYunkang Tang if (pkt_id == V7_PACKET_ID_TWO) 10073808843cSYunkang Tang f->fingers = alps_get_mt_count(f->mt); 10088b238115SHans de Goede else /* pkt_id == V7_PACKET_ID_MULTI */ 10093808843cSYunkang Tang f->fingers = 3 + (p[5] & 0x03); 10103808843cSYunkang Tang 1011d27eb793SHans de Goede f->left = (p[0] & 0x80) >> 7; 1012d27eb793SHans de Goede if (priv->flags & ALPS_BUTTONPAD) { 1013d27eb793SHans de Goede if (p[0] & 0x20) 1014d27eb793SHans de Goede f->fingers++; 1015d27eb793SHans de Goede if (p[0] & 0x10) 1016d27eb793SHans de Goede f->fingers++; 1017d27eb793SHans de Goede } else { 1018d27eb793SHans de Goede f->right = (p[0] & 0x20) >> 5; 1019d27eb793SHans de Goede f->middle = (p[0] & 0x10) >> 4; 1020d27eb793SHans de Goede } 1021d27eb793SHans de Goede 10227091c443SHans de Goede /* Sometimes a single touch is reported in mt[1] rather then mt[0] */ 10237091c443SHans de Goede if (f->fingers == 1 && f->mt[0].x == 0 && f->mt[0].y == 0) { 10247091c443SHans de Goede f->mt[0].x = f->mt[1].x; 10257091c443SHans de Goede f->mt[0].y = f->mt[1].y; 10267091c443SHans de Goede f->mt[1].x = 0; 10277091c443SHans de Goede f->mt[1].y = 0; 10287091c443SHans de Goede } 10297091c443SHans de Goede 10303808843cSYunkang Tang return 0; 10313808843cSYunkang Tang } 10323808843cSYunkang Tang 10333808843cSYunkang Tang static void alps_process_trackstick_packet_v7(struct psmouse *psmouse) 10343808843cSYunkang Tang { 10353808843cSYunkang Tang struct alps_data *priv = psmouse->private; 10363808843cSYunkang Tang unsigned char *packet = psmouse->packet; 10373808843cSYunkang Tang struct input_dev *dev2 = priv->dev2; 10383808843cSYunkang Tang int x, y, z, left, right, middle; 10393808843cSYunkang Tang 104034412ba2SPali Rohár /* It should be a DualPoint when received trackstick packet */ 104134412ba2SPali Rohár if (!(priv->flags & ALPS_DUALPOINT)) { 104234412ba2SPali Rohár psmouse_warn(psmouse, 104334412ba2SPali Rohár "Rejected trackstick packet from non DualPoint device"); 104434412ba2SPali Rohár return; 104534412ba2SPali Rohár } 104634412ba2SPali Rohár 10473808843cSYunkang Tang /* 10483808843cSYunkang Tang * b7 b6 b5 b4 b3 b2 b1 b0 10493808843cSYunkang Tang * Byte0 0 1 0 0 1 0 0 0 10503808843cSYunkang Tang * Byte1 1 1 * * 1 M R L 10513808843cSYunkang Tang * Byte2 X7 1 X5 X4 X3 X2 X1 X0 10523808843cSYunkang Tang * Byte3 Z6 1 Y6 X6 1 Y2 Y1 Y0 10533808843cSYunkang Tang * Byte4 Y7 0 Y5 Y4 Y3 1 1 0 10543808843cSYunkang Tang * Byte5 T&P 0 Z5 Z4 Z3 Z2 Z1 Z0 10553808843cSYunkang Tang * M / R / L: Middle / Right / Left button 10563808843cSYunkang Tang */ 10573808843cSYunkang Tang 10583808843cSYunkang Tang x = ((packet[2] & 0xbf)) | ((packet[3] & 0x10) << 2); 10593808843cSYunkang Tang y = (packet[3] & 0x07) | (packet[4] & 0xb8) | 10603808843cSYunkang Tang ((packet[3] & 0x20) << 1); 10613808843cSYunkang Tang z = (packet[5] & 0x3f) | ((packet[3] & 0x80) >> 1); 10623808843cSYunkang Tang 10633808843cSYunkang Tang left = (packet[1] & 0x01); 10643808843cSYunkang Tang right = (packet[1] & 0x02) >> 1; 10653808843cSYunkang Tang middle = (packet[1] & 0x04) >> 2; 10663808843cSYunkang Tang 10673808843cSYunkang Tang /* Divide 2 since trackpoint's speed is too fast */ 10683808843cSYunkang Tang input_report_rel(dev2, REL_X, (char)x / 2); 10693808843cSYunkang Tang input_report_rel(dev2, REL_Y, -((char)y / 2)); 10703808843cSYunkang Tang 10713808843cSYunkang Tang input_report_key(dev2, BTN_LEFT, left); 10723808843cSYunkang Tang input_report_key(dev2, BTN_RIGHT, right); 10733808843cSYunkang Tang input_report_key(dev2, BTN_MIDDLE, middle); 10743808843cSYunkang Tang 10753808843cSYunkang Tang input_sync(dev2); 10763808843cSYunkang Tang } 10773808843cSYunkang Tang 10783808843cSYunkang Tang static void alps_process_touchpad_packet_v7(struct psmouse *psmouse) 10793808843cSYunkang Tang { 10803808843cSYunkang Tang struct alps_data *priv = psmouse->private; 10813808843cSYunkang Tang struct input_dev *dev = psmouse->dev; 10823808843cSYunkang Tang struct alps_fields *f = &priv->f; 10833808843cSYunkang Tang 10843808843cSYunkang Tang memset(f, 0, sizeof(*f)); 10853808843cSYunkang Tang 10863808843cSYunkang Tang if (priv->decode_fields(f, psmouse->packet, psmouse)) 10873808843cSYunkang Tang return; 10883808843cSYunkang Tang 10893808843cSYunkang Tang alps_report_mt_data(psmouse, alps_get_mt_count(f->mt)); 10903808843cSYunkang Tang 10913808843cSYunkang Tang input_mt_report_finger_count(dev, f->fingers); 10923808843cSYunkang Tang 10933808843cSYunkang Tang input_report_key(dev, BTN_LEFT, f->left); 10943808843cSYunkang Tang input_report_key(dev, BTN_RIGHT, f->right); 10953808843cSYunkang Tang input_report_key(dev, BTN_MIDDLE, f->middle); 10963808843cSYunkang Tang 10973808843cSYunkang Tang input_sync(dev); 10983808843cSYunkang Tang } 10993808843cSYunkang Tang 11003808843cSYunkang Tang static void alps_process_packet_v7(struct psmouse *psmouse) 11013808843cSYunkang Tang { 11023808843cSYunkang Tang unsigned char *packet = psmouse->packet; 11033808843cSYunkang Tang 11043808843cSYunkang Tang if (packet[0] == 0x48 && (packet[4] & 0x47) == 0x06) 11053808843cSYunkang Tang alps_process_trackstick_packet_v7(psmouse); 11063808843cSYunkang Tang else 11073808843cSYunkang Tang alps_process_touchpad_packet_v7(psmouse); 11083808843cSYunkang Tang } 11093808843cSYunkang Tang 11101d9f2626SSebastian Kapfer static void alps_report_bare_ps2_packet(struct psmouse *psmouse, 11111d9f2626SSebastian Kapfer unsigned char packet[], 11121d9f2626SSebastian Kapfer bool report_buttons) 11131d9f2626SSebastian Kapfer { 11141d9f2626SSebastian Kapfer struct alps_data *priv = psmouse->private; 11151d9f2626SSebastian Kapfer struct input_dev *dev2 = priv->dev2; 11161d9f2626SSebastian Kapfer 11171d9f2626SSebastian Kapfer if (report_buttons) 11181d9f2626SSebastian Kapfer alps_report_buttons(psmouse, dev2, psmouse->dev, 11191d9f2626SSebastian Kapfer packet[0] & 1, packet[0] & 2, packet[0] & 4); 11201d9f2626SSebastian Kapfer 11211d9f2626SSebastian Kapfer input_report_rel(dev2, REL_X, 11221d9f2626SSebastian Kapfer packet[1] ? packet[1] - ((packet[0] << 4) & 0x100) : 0); 11231d9f2626SSebastian Kapfer input_report_rel(dev2, REL_Y, 11241d9f2626SSebastian Kapfer packet[2] ? ((packet[0] << 3) & 0x100) - packet[2] : 0); 11251d9f2626SSebastian Kapfer 11261d9f2626SSebastian Kapfer input_sync(dev2); 11271d9f2626SSebastian Kapfer } 11281d9f2626SSebastian Kapfer 11291d9f2626SSebastian Kapfer static psmouse_ret_t alps_handle_interleaved_ps2(struct psmouse *psmouse) 11301da177e4SLinus Torvalds { 11311da177e4SLinus Torvalds struct alps_data *priv = psmouse->private; 11321da177e4SLinus Torvalds 11331d9f2626SSebastian Kapfer if (psmouse->pktcnt < 6) 11341d9f2626SSebastian Kapfer return PSMOUSE_GOOD_DATA; 11351d9f2626SSebastian Kapfer 11361d9f2626SSebastian Kapfer if (psmouse->pktcnt == 6) { 11371d9f2626SSebastian Kapfer /* 11381d9f2626SSebastian Kapfer * Start a timer to flush the packet if it ends up last 11391d9f2626SSebastian Kapfer * 6-byte packet in the stream. Timer needs to fire 11401d9f2626SSebastian Kapfer * psmouse core times out itself. 20 ms should be enough 11411d9f2626SSebastian Kapfer * to decide if we are getting more data or not. 11421d9f2626SSebastian Kapfer */ 11431d9f2626SSebastian Kapfer mod_timer(&priv->timer, jiffies + msecs_to_jiffies(20)); 11441d9f2626SSebastian Kapfer return PSMOUSE_GOOD_DATA; 11451d9f2626SSebastian Kapfer } 11461d9f2626SSebastian Kapfer 11471d9f2626SSebastian Kapfer del_timer(&priv->timer); 11481d9f2626SSebastian Kapfer 11491d9f2626SSebastian Kapfer if (psmouse->packet[6] & 0x80) { 11501d9f2626SSebastian Kapfer 11511d9f2626SSebastian Kapfer /* 11521d9f2626SSebastian Kapfer * Highest bit is set - that means we either had 11531d9f2626SSebastian Kapfer * complete ALPS packet and this is start of the 11541d9f2626SSebastian Kapfer * next packet or we got garbage. 11551d9f2626SSebastian Kapfer */ 11561d9f2626SSebastian Kapfer 11571d9f2626SSebastian Kapfer if (((psmouse->packet[3] | 11581d9f2626SSebastian Kapfer psmouse->packet[4] | 11591d9f2626SSebastian Kapfer psmouse->packet[5]) & 0x80) || 116099df65e7SKevin Cernekee (!alps_is_valid_first_byte(priv, psmouse->packet[6]))) { 1161b5d21704SDmitry Torokhov psmouse_dbg(psmouse, 11623b112923SAndy Shevchenko "refusing packet %4ph (suspected interleaved ps/2)\n", 11633b112923SAndy Shevchenko psmouse->packet + 3); 11641d9f2626SSebastian Kapfer return PSMOUSE_BAD_DATA; 11651d9f2626SSebastian Kapfer } 11661d9f2626SSebastian Kapfer 116724af5cb9SKevin Cernekee priv->process_packet(psmouse); 11681d9f2626SSebastian Kapfer 11691d9f2626SSebastian Kapfer /* Continue with the next packet */ 11701d9f2626SSebastian Kapfer psmouse->packet[0] = psmouse->packet[6]; 11711d9f2626SSebastian Kapfer psmouse->pktcnt = 1; 11721d9f2626SSebastian Kapfer 11731d9f2626SSebastian Kapfer } else { 11741d9f2626SSebastian Kapfer 11751d9f2626SSebastian Kapfer /* 11761d9f2626SSebastian Kapfer * High bit is 0 - that means that we indeed got a PS/2 11771d9f2626SSebastian Kapfer * packet in the middle of ALPS packet. 11781d9f2626SSebastian Kapfer * 11791d9f2626SSebastian Kapfer * There is also possibility that we got 6-byte ALPS 11801d9f2626SSebastian Kapfer * packet followed by 3-byte packet from trackpoint. We 11811d9f2626SSebastian Kapfer * can not distinguish between these 2 scenarios but 1182b5d21704SDmitry Torokhov * because the latter is unlikely to happen in course of 11831d9f2626SSebastian Kapfer * normal operation (user would need to press all 11841d9f2626SSebastian Kapfer * buttons on the pad and start moving trackpoint 11851d9f2626SSebastian Kapfer * without touching the pad surface) we assume former. 11861d9f2626SSebastian Kapfer * Even if we are wrong the wost thing that would happen 11871d9f2626SSebastian Kapfer * the cursor would jump but we should not get protocol 1188b5d21704SDmitry Torokhov * de-synchronization. 11891d9f2626SSebastian Kapfer */ 11901d9f2626SSebastian Kapfer 11911d9f2626SSebastian Kapfer alps_report_bare_ps2_packet(psmouse, &psmouse->packet[3], 11921d9f2626SSebastian Kapfer false); 11931d9f2626SSebastian Kapfer 11941d9f2626SSebastian Kapfer /* 11951d9f2626SSebastian Kapfer * Continue with the standard ALPS protocol handling, 11961d9f2626SSebastian Kapfer * but make sure we won't process it as an interleaved 11971d9f2626SSebastian Kapfer * packet again, which may happen if all buttons are 11981d9f2626SSebastian Kapfer * pressed. To avoid this let's reset the 4th bit which 11991d9f2626SSebastian Kapfer * is normally 1. 12001d9f2626SSebastian Kapfer */ 12011d9f2626SSebastian Kapfer psmouse->packet[3] = psmouse->packet[6] & 0xf7; 12021d9f2626SSebastian Kapfer psmouse->pktcnt = 4; 12031d9f2626SSebastian Kapfer } 12041d9f2626SSebastian Kapfer 12051d9f2626SSebastian Kapfer return PSMOUSE_GOOD_DATA; 12061d9f2626SSebastian Kapfer } 12071d9f2626SSebastian Kapfer 12081d9f2626SSebastian Kapfer static void alps_flush_packet(unsigned long data) 12091d9f2626SSebastian Kapfer { 12101d9f2626SSebastian Kapfer struct psmouse *psmouse = (struct psmouse *)data; 121124af5cb9SKevin Cernekee struct alps_data *priv = psmouse->private; 12121d9f2626SSebastian Kapfer 12131d9f2626SSebastian Kapfer serio_pause_rx(psmouse->ps2dev.serio); 12141d9f2626SSebastian Kapfer 1215b46615feSSeth Forshee if (psmouse->pktcnt == psmouse->pktsize) { 12161d9f2626SSebastian Kapfer 12171d9f2626SSebastian Kapfer /* 12181d9f2626SSebastian Kapfer * We did not any more data in reasonable amount of time. 12191d9f2626SSebastian Kapfer * Validate the last 3 bytes and process as a standard 12201d9f2626SSebastian Kapfer * ALPS packet. 12211d9f2626SSebastian Kapfer */ 12221d9f2626SSebastian Kapfer if ((psmouse->packet[3] | 12231d9f2626SSebastian Kapfer psmouse->packet[4] | 12241d9f2626SSebastian Kapfer psmouse->packet[5]) & 0x80) { 1225b5d21704SDmitry Torokhov psmouse_dbg(psmouse, 12263b112923SAndy Shevchenko "refusing packet %3ph (suspected interleaved ps/2)\n", 12273b112923SAndy Shevchenko psmouse->packet + 3); 12281d9f2626SSebastian Kapfer } else { 122924af5cb9SKevin Cernekee priv->process_packet(psmouse); 12301d9f2626SSebastian Kapfer } 12311d9f2626SSebastian Kapfer psmouse->pktcnt = 0; 12321d9f2626SSebastian Kapfer } 12331d9f2626SSebastian Kapfer 12341d9f2626SSebastian Kapfer serio_continue_rx(psmouse->ps2dev.serio); 12351d9f2626SSebastian Kapfer } 12361d9f2626SSebastian Kapfer 12371d9f2626SSebastian Kapfer static psmouse_ret_t alps_process_byte(struct psmouse *psmouse) 12381d9f2626SSebastian Kapfer { 12391d9f2626SSebastian Kapfer struct alps_data *priv = psmouse->private; 12401d9f2626SSebastian Kapfer 12411da177e4SLinus Torvalds if ((psmouse->packet[0] & 0xc8) == 0x08) { /* PS/2 packet */ 12421da177e4SLinus Torvalds if (psmouse->pktcnt == 3) { 12431d9f2626SSebastian Kapfer alps_report_bare_ps2_packet(psmouse, psmouse->packet, 12441d9f2626SSebastian Kapfer true); 12451da177e4SLinus Torvalds return PSMOUSE_FULL_PACKET; 12461da177e4SLinus Torvalds } 12471da177e4SLinus Torvalds return PSMOUSE_GOOD_DATA; 12481da177e4SLinus Torvalds } 12491da177e4SLinus Torvalds 12501d9f2626SSebastian Kapfer /* Check for PS/2 packet stuffed in the middle of ALPS packet. */ 12511d9f2626SSebastian Kapfer 125299df65e7SKevin Cernekee if ((priv->flags & ALPS_PS2_INTERLEAVED) && 12531d9f2626SSebastian Kapfer psmouse->pktcnt >= 4 && (psmouse->packet[3] & 0x0f) == 0x0f) { 12541d9f2626SSebastian Kapfer return alps_handle_interleaved_ps2(psmouse); 12551d9f2626SSebastian Kapfer } 12561d9f2626SSebastian Kapfer 125799df65e7SKevin Cernekee if (!alps_is_valid_first_byte(priv, psmouse->packet[0])) { 1258b5d21704SDmitry Torokhov psmouse_dbg(psmouse, 1259b5d21704SDmitry Torokhov "refusing packet[0] = %x (mask0 = %x, byte0 = %x)\n", 126099df65e7SKevin Cernekee psmouse->packet[0], priv->mask0, priv->byte0); 12611da177e4SLinus Torvalds return PSMOUSE_BAD_DATA; 12621d9f2626SSebastian Kapfer } 12631da177e4SLinus Torvalds 1264b46615feSSeth Forshee /* Bytes 2 - pktsize should have 0 in the highest bit */ 126595f75e91SYunkang Tang if ((priv->proto_version < ALPS_PROTO_V5) && 126675af9e56SDave Turvene psmouse->pktcnt >= 2 && psmouse->pktcnt <= psmouse->pktsize && 12671d9f2626SSebastian Kapfer (psmouse->packet[psmouse->pktcnt - 1] & 0x80)) { 1268b5d21704SDmitry Torokhov psmouse_dbg(psmouse, "refusing packet[%i] = %x\n", 1269b5d21704SDmitry Torokhov psmouse->pktcnt - 1, 1270b5d21704SDmitry Torokhov psmouse->packet[psmouse->pktcnt - 1]); 12711da177e4SLinus Torvalds return PSMOUSE_BAD_DATA; 12721d9f2626SSebastian Kapfer } 12731da177e4SLinus Torvalds 12743808843cSYunkang Tang if (priv->proto_version == ALPS_PROTO_V7 && 12753808843cSYunkang Tang !alps_is_valid_package_v7(psmouse)) { 12763808843cSYunkang Tang psmouse_dbg(psmouse, "refusing packet[%i] = %x\n", 12773808843cSYunkang Tang psmouse->pktcnt - 1, 12783808843cSYunkang Tang psmouse->packet[psmouse->pktcnt - 1]); 12793808843cSYunkang Tang return PSMOUSE_BAD_DATA; 12803808843cSYunkang Tang } 12813808843cSYunkang Tang 1282b46615feSSeth Forshee if (psmouse->pktcnt == psmouse->pktsize) { 128324af5cb9SKevin Cernekee priv->process_packet(psmouse); 12841da177e4SLinus Torvalds return PSMOUSE_FULL_PACKET; 12851da177e4SLinus Torvalds } 12861da177e4SLinus Torvalds 12871da177e4SLinus Torvalds return PSMOUSE_GOOD_DATA; 12881da177e4SLinus Torvalds } 12891da177e4SLinus Torvalds 129025bded7cSSeth Forshee static int alps_command_mode_send_nibble(struct psmouse *psmouse, int nibble) 129125bded7cSSeth Forshee { 129225bded7cSSeth Forshee struct ps2dev *ps2dev = &psmouse->ps2dev; 129325bded7cSSeth Forshee struct alps_data *priv = psmouse->private; 129425bded7cSSeth Forshee int command; 129525bded7cSSeth Forshee unsigned char *param; 129625bded7cSSeth Forshee unsigned char dummy[4]; 129725bded7cSSeth Forshee 129825bded7cSSeth Forshee BUG_ON(nibble > 0xf); 129925bded7cSSeth Forshee 130025bded7cSSeth Forshee command = priv->nibble_commands[nibble].command; 130125bded7cSSeth Forshee param = (command & 0x0f00) ? 130225bded7cSSeth Forshee dummy : (unsigned char *)&priv->nibble_commands[nibble].data; 130325bded7cSSeth Forshee 130425bded7cSSeth Forshee if (ps2_command(ps2dev, param, command)) 130525bded7cSSeth Forshee return -1; 130625bded7cSSeth Forshee 130725bded7cSSeth Forshee return 0; 130825bded7cSSeth Forshee } 130925bded7cSSeth Forshee 131025bded7cSSeth Forshee static int alps_command_mode_set_addr(struct psmouse *psmouse, int addr) 131125bded7cSSeth Forshee { 131225bded7cSSeth Forshee struct ps2dev *ps2dev = &psmouse->ps2dev; 131325bded7cSSeth Forshee struct alps_data *priv = psmouse->private; 131425bded7cSSeth Forshee int i, nibble; 131525bded7cSSeth Forshee 131625bded7cSSeth Forshee if (ps2_command(ps2dev, NULL, priv->addr_command)) 131725bded7cSSeth Forshee return -1; 131825bded7cSSeth Forshee 131925bded7cSSeth Forshee for (i = 12; i >= 0; i -= 4) { 132025bded7cSSeth Forshee nibble = (addr >> i) & 0xf; 132125bded7cSSeth Forshee if (alps_command_mode_send_nibble(psmouse, nibble)) 132225bded7cSSeth Forshee return -1; 132325bded7cSSeth Forshee } 132425bded7cSSeth Forshee 132525bded7cSSeth Forshee return 0; 132625bded7cSSeth Forshee } 132725bded7cSSeth Forshee 132825bded7cSSeth Forshee static int __alps_command_mode_read_reg(struct psmouse *psmouse, int addr) 132925bded7cSSeth Forshee { 133025bded7cSSeth Forshee struct ps2dev *ps2dev = &psmouse->ps2dev; 133125bded7cSSeth Forshee unsigned char param[4]; 133225bded7cSSeth Forshee 133325bded7cSSeth Forshee if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) 133425bded7cSSeth Forshee return -1; 133525bded7cSSeth Forshee 133625bded7cSSeth Forshee /* 133725bded7cSSeth Forshee * The address being read is returned in the first two bytes 133825bded7cSSeth Forshee * of the result. Check that this address matches the expected 133925bded7cSSeth Forshee * address. 134025bded7cSSeth Forshee */ 134125bded7cSSeth Forshee if (addr != ((param[0] << 8) | param[1])) 134225bded7cSSeth Forshee return -1; 134325bded7cSSeth Forshee 134425bded7cSSeth Forshee return param[2]; 134525bded7cSSeth Forshee } 134625bded7cSSeth Forshee 134725bded7cSSeth Forshee static int alps_command_mode_read_reg(struct psmouse *psmouse, int addr) 134825bded7cSSeth Forshee { 134925bded7cSSeth Forshee if (alps_command_mode_set_addr(psmouse, addr)) 135025bded7cSSeth Forshee return -1; 135125bded7cSSeth Forshee return __alps_command_mode_read_reg(psmouse, addr); 135225bded7cSSeth Forshee } 135325bded7cSSeth Forshee 135425bded7cSSeth Forshee static int __alps_command_mode_write_reg(struct psmouse *psmouse, u8 value) 135525bded7cSSeth Forshee { 135625bded7cSSeth Forshee if (alps_command_mode_send_nibble(psmouse, (value >> 4) & 0xf)) 135725bded7cSSeth Forshee return -1; 135825bded7cSSeth Forshee if (alps_command_mode_send_nibble(psmouse, value & 0xf)) 135925bded7cSSeth Forshee return -1; 136025bded7cSSeth Forshee return 0; 136125bded7cSSeth Forshee } 136225bded7cSSeth Forshee 136325bded7cSSeth Forshee static int alps_command_mode_write_reg(struct psmouse *psmouse, int addr, 136425bded7cSSeth Forshee u8 value) 136525bded7cSSeth Forshee { 136625bded7cSSeth Forshee if (alps_command_mode_set_addr(psmouse, addr)) 136725bded7cSSeth Forshee return -1; 136825bded7cSSeth Forshee return __alps_command_mode_write_reg(psmouse, value); 136925bded7cSSeth Forshee } 137025bded7cSSeth Forshee 137124ba9707SKevin Cernekee static int alps_rpt_cmd(struct psmouse *psmouse, int init_command, 137224ba9707SKevin Cernekee int repeated_command, unsigned char *param) 137324ba9707SKevin Cernekee { 137424ba9707SKevin Cernekee struct ps2dev *ps2dev = &psmouse->ps2dev; 137524ba9707SKevin Cernekee 137624ba9707SKevin Cernekee param[0] = 0; 137724ba9707SKevin Cernekee if (init_command && ps2_command(ps2dev, param, init_command)) 137824ba9707SKevin Cernekee return -EIO; 137924ba9707SKevin Cernekee 138024ba9707SKevin Cernekee if (ps2_command(ps2dev, NULL, repeated_command) || 138124ba9707SKevin Cernekee ps2_command(ps2dev, NULL, repeated_command) || 138224ba9707SKevin Cernekee ps2_command(ps2dev, NULL, repeated_command)) 138324ba9707SKevin Cernekee return -EIO; 138424ba9707SKevin Cernekee 138524ba9707SKevin Cernekee param[0] = param[1] = param[2] = 0xff; 138624ba9707SKevin Cernekee if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) 138724ba9707SKevin Cernekee return -EIO; 138824ba9707SKevin Cernekee 138939fbe585SDmitry Torokhov psmouse_dbg(psmouse, "%2.2X report: %3ph\n", 139039fbe585SDmitry Torokhov repeated_command, param); 139124ba9707SKevin Cernekee return 0; 139224ba9707SKevin Cernekee } 139324ba9707SKevin Cernekee 13943808843cSYunkang Tang static bool alps_check_valid_firmware_id(unsigned char id[]) 13953808843cSYunkang Tang { 13963808843cSYunkang Tang if (id[0] == 0x73) 13973808843cSYunkang Tang return true; 13983808843cSYunkang Tang 13993808843cSYunkang Tang if (id[0] == 0x88 && 14003808843cSYunkang Tang (id[1] == 0x07 || 14013808843cSYunkang Tang id[1] == 0x08 || 14023808843cSYunkang Tang (id[1] & 0xf0) == 0xb0 || 14033808843cSYunkang Tang (id[1] & 0xf0) == 0xc0)) { 14043808843cSYunkang Tang return true; 14053808843cSYunkang Tang } 14063808843cSYunkang Tang 14073808843cSYunkang Tang return false; 14083808843cSYunkang Tang } 14093808843cSYunkang Tang 1410d18e53fcSKevin Cernekee static int alps_enter_command_mode(struct psmouse *psmouse) 141125bded7cSSeth Forshee { 141225bded7cSSeth Forshee unsigned char param[4]; 141325bded7cSSeth Forshee 141424ba9707SKevin Cernekee if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_RESET_WRAP, param)) { 141525bded7cSSeth Forshee psmouse_err(psmouse, "failed to enter command mode\n"); 141625bded7cSSeth Forshee return -1; 141725bded7cSSeth Forshee } 141825bded7cSSeth Forshee 14193808843cSYunkang Tang if (!alps_check_valid_firmware_id(param)) { 142025bded7cSSeth Forshee psmouse_dbg(psmouse, 142124ba9707SKevin Cernekee "unknown response while entering command mode\n"); 142225bded7cSSeth Forshee return -1; 142325bded7cSSeth Forshee } 142425bded7cSSeth Forshee return 0; 142525bded7cSSeth Forshee } 142625bded7cSSeth Forshee 142725bded7cSSeth Forshee static inline int alps_exit_command_mode(struct psmouse *psmouse) 142825bded7cSSeth Forshee { 142925bded7cSSeth Forshee struct ps2dev *ps2dev = &psmouse->ps2dev; 143025bded7cSSeth Forshee if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM)) 143125bded7cSSeth Forshee return -1; 143225bded7cSSeth Forshee return 0; 143325bded7cSSeth Forshee } 143425bded7cSSeth Forshee 14351da177e4SLinus Torvalds /* 14361da177e4SLinus Torvalds * For DualPoint devices select the device that should respond to 14371da177e4SLinus Torvalds * subsequent commands. It looks like glidepad is behind stickpointer, 14381da177e4SLinus Torvalds * I'd thought it would be other way around... 14391da177e4SLinus Torvalds */ 144025bded7cSSeth Forshee static int alps_passthrough_mode_v2(struct psmouse *psmouse, bool enable) 14411da177e4SLinus Torvalds { 14421da177e4SLinus Torvalds struct ps2dev *ps2dev = &psmouse->ps2dev; 14431da177e4SLinus Torvalds int cmd = enable ? PSMOUSE_CMD_SETSCALE21 : PSMOUSE_CMD_SETSCALE11; 14441da177e4SLinus Torvalds 14451da177e4SLinus Torvalds if (ps2_command(ps2dev, NULL, cmd) || 14461da177e4SLinus Torvalds ps2_command(ps2dev, NULL, cmd) || 14471da177e4SLinus Torvalds ps2_command(ps2dev, NULL, cmd) || 14481da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE)) 14491da177e4SLinus Torvalds return -1; 14501da177e4SLinus Torvalds 14511da177e4SLinus Torvalds /* we may get 3 more bytes, just ignore them */ 1452c611763dSDmitry Torokhov ps2_drain(ps2dev, 3, 100); 14531da177e4SLinus Torvalds 14541da177e4SLinus Torvalds return 0; 14551da177e4SLinus Torvalds } 14561da177e4SLinus Torvalds 145725bded7cSSeth Forshee static int alps_absolute_mode_v1_v2(struct psmouse *psmouse) 14581da177e4SLinus Torvalds { 14591da177e4SLinus Torvalds struct ps2dev *ps2dev = &psmouse->ps2dev; 14601da177e4SLinus Torvalds 14611da177e4SLinus Torvalds /* Try ALPS magic knock - 4 disable before enable */ 14621da177e4SLinus Torvalds if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 14631da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 14641da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 14651da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 14661da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) 14671da177e4SLinus Torvalds return -1; 14681da177e4SLinus Torvalds 14691da177e4SLinus Torvalds /* 14701da177e4SLinus Torvalds * Switch mouse to poll (remote) mode so motion data will not 14711da177e4SLinus Torvalds * get in our way 14721da177e4SLinus Torvalds */ 14731da177e4SLinus Torvalds return ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETPOLL); 14741da177e4SLinus Torvalds } 14751da177e4SLinus Torvalds 147695f75e91SYunkang Tang static int alps_monitor_mode_send_word(struct psmouse *psmouse, u16 word) 147795f75e91SYunkang Tang { 147895f75e91SYunkang Tang int i, nibble; 147995f75e91SYunkang Tang 148095f75e91SYunkang Tang /* 148195f75e91SYunkang Tang * b0-b11 are valid bits, send sequence is inverse. 148295f75e91SYunkang Tang * e.g. when word = 0x0123, nibble send sequence is 3, 2, 1 148395f75e91SYunkang Tang */ 148495f75e91SYunkang Tang for (i = 0; i <= 8; i += 4) { 148595f75e91SYunkang Tang nibble = (word >> i) & 0xf; 148695f75e91SYunkang Tang if (alps_command_mode_send_nibble(psmouse, nibble)) 148795f75e91SYunkang Tang return -1; 148895f75e91SYunkang Tang } 148995f75e91SYunkang Tang 149095f75e91SYunkang Tang return 0; 149195f75e91SYunkang Tang } 149295f75e91SYunkang Tang 149395f75e91SYunkang Tang static int alps_monitor_mode_write_reg(struct psmouse *psmouse, 149495f75e91SYunkang Tang u16 addr, u16 value) 149595f75e91SYunkang Tang { 149695f75e91SYunkang Tang struct ps2dev *ps2dev = &psmouse->ps2dev; 149795f75e91SYunkang Tang 149895f75e91SYunkang Tang /* 0x0A0 is the command to write the word */ 149995f75e91SYunkang Tang if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE) || 150095f75e91SYunkang Tang alps_monitor_mode_send_word(psmouse, 0x0A0) || 150195f75e91SYunkang Tang alps_monitor_mode_send_word(psmouse, addr) || 150295f75e91SYunkang Tang alps_monitor_mode_send_word(psmouse, value) || 150395f75e91SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE)) 150495f75e91SYunkang Tang return -1; 150595f75e91SYunkang Tang 150695f75e91SYunkang Tang return 0; 150795f75e91SYunkang Tang } 150895f75e91SYunkang Tang 150995f75e91SYunkang Tang static int alps_monitor_mode(struct psmouse *psmouse, bool enable) 151095f75e91SYunkang Tang { 151195f75e91SYunkang Tang struct ps2dev *ps2dev = &psmouse->ps2dev; 151295f75e91SYunkang Tang 151395f75e91SYunkang Tang if (enable) { 151495f75e91SYunkang Tang /* EC E9 F5 F5 E7 E6 E7 E9 to enter monitor mode */ 151595f75e91SYunkang Tang if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP) || 151695f75e91SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_GETINFO) || 151795f75e91SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 151895f75e91SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 151995f75e91SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) || 152095f75e91SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 152195f75e91SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) || 152295f75e91SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_GETINFO)) 152395f75e91SYunkang Tang return -1; 152495f75e91SYunkang Tang } else { 152595f75e91SYunkang Tang /* EC to exit monitor mode */ 152695f75e91SYunkang Tang if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP)) 152795f75e91SYunkang Tang return -1; 152895f75e91SYunkang Tang } 152995f75e91SYunkang Tang 153095f75e91SYunkang Tang return 0; 153195f75e91SYunkang Tang } 153295f75e91SYunkang Tang 153395f75e91SYunkang Tang static int alps_absolute_mode_v6(struct psmouse *psmouse) 153495f75e91SYunkang Tang { 153595f75e91SYunkang Tang u16 reg_val = 0x181; 153695f75e91SYunkang Tang int ret = -1; 153795f75e91SYunkang Tang 153895f75e91SYunkang Tang /* enter monitor mode, to write the register */ 153995f75e91SYunkang Tang if (alps_monitor_mode(psmouse, true)) 154095f75e91SYunkang Tang return -1; 154195f75e91SYunkang Tang 154295f75e91SYunkang Tang ret = alps_monitor_mode_write_reg(psmouse, 0x000, reg_val); 154395f75e91SYunkang Tang 154495f75e91SYunkang Tang if (alps_monitor_mode(psmouse, false)) 154595f75e91SYunkang Tang ret = -1; 154695f75e91SYunkang Tang 154795f75e91SYunkang Tang return ret; 154895f75e91SYunkang Tang } 154995f75e91SYunkang Tang 15501da177e4SLinus Torvalds static int alps_get_status(struct psmouse *psmouse, char *param) 15511da177e4SLinus Torvalds { 15521da177e4SLinus Torvalds /* Get status: 0xF5 0xF5 0xF5 0xE9 */ 155324ba9707SKevin Cernekee if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_DISABLE, param)) 15541da177e4SLinus Torvalds return -1; 15551da177e4SLinus Torvalds 15561da177e4SLinus Torvalds return 0; 15571da177e4SLinus Torvalds } 15581da177e4SLinus Torvalds 15591da177e4SLinus Torvalds /* 15601da177e4SLinus Torvalds * Turn touchpad tapping on or off. The sequences are: 15611da177e4SLinus Torvalds * 0xE9 0xF5 0xF5 0xF3 0x0A to enable, 15621da177e4SLinus Torvalds * 0xE9 0xF5 0xF5 0xE8 0x00 to disable. 15631da177e4SLinus Torvalds * My guess that 0xE9 (GetInfo) is here as a sync point. 15641da177e4SLinus Torvalds * For models that also have stickpointer (DualPoints) its tapping 15651da177e4SLinus Torvalds * is controlled separately (0xE6 0xE6 0xE6 0xF3 0x14|0x0A) but 15661da177e4SLinus Torvalds * we don't fiddle with it. 15671da177e4SLinus Torvalds */ 15681da177e4SLinus Torvalds static int alps_tap_mode(struct psmouse *psmouse, int enable) 15691da177e4SLinus Torvalds { 15701da177e4SLinus Torvalds struct ps2dev *ps2dev = &psmouse->ps2dev; 15711da177e4SLinus Torvalds int cmd = enable ? PSMOUSE_CMD_SETRATE : PSMOUSE_CMD_SETRES; 15721da177e4SLinus Torvalds unsigned char tap_arg = enable ? 0x0A : 0x00; 15731da177e4SLinus Torvalds unsigned char param[4]; 15741da177e4SLinus Torvalds 15751da177e4SLinus Torvalds if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO) || 15761da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 15771da177e4SLinus Torvalds ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || 15781da177e4SLinus Torvalds ps2_command(ps2dev, &tap_arg, cmd)) 15791da177e4SLinus Torvalds return -1; 15801da177e4SLinus Torvalds 15811da177e4SLinus Torvalds if (alps_get_status(psmouse, param)) 15821da177e4SLinus Torvalds return -1; 15831da177e4SLinus Torvalds 15841da177e4SLinus Torvalds return 0; 15851da177e4SLinus Torvalds } 15861da177e4SLinus Torvalds 1587f0d5c6f4SDmitry Torokhov /* 1588f0d5c6f4SDmitry Torokhov * alps_poll() - poll the touchpad for current motion packet. 1589f0d5c6f4SDmitry Torokhov * Used in resync. 1590f0d5c6f4SDmitry Torokhov */ 1591f0d5c6f4SDmitry Torokhov static int alps_poll(struct psmouse *psmouse) 1592f0d5c6f4SDmitry Torokhov { 1593f0d5c6f4SDmitry Torokhov struct alps_data *priv = psmouse->private; 1594b46615feSSeth Forshee unsigned char buf[sizeof(psmouse->packet)]; 1595b7802c5cSDmitry Torokhov bool poll_failed; 1596f0d5c6f4SDmitry Torokhov 159799df65e7SKevin Cernekee if (priv->flags & ALPS_PASS) 159825bded7cSSeth Forshee alps_passthrough_mode_v2(psmouse, true); 1599f0d5c6f4SDmitry Torokhov 1600f0d5c6f4SDmitry Torokhov poll_failed = ps2_command(&psmouse->ps2dev, buf, 1601f0d5c6f4SDmitry Torokhov PSMOUSE_CMD_POLL | (psmouse->pktsize << 8)) < 0; 1602f0d5c6f4SDmitry Torokhov 160399df65e7SKevin Cernekee if (priv->flags & ALPS_PASS) 160425bded7cSSeth Forshee alps_passthrough_mode_v2(psmouse, false); 1605f0d5c6f4SDmitry Torokhov 160699df65e7SKevin Cernekee if (poll_failed || (buf[0] & priv->mask0) != priv->byte0) 1607f0d5c6f4SDmitry Torokhov return -1; 1608f0d5c6f4SDmitry Torokhov 1609f0d5c6f4SDmitry Torokhov if ((psmouse->badbyte & 0xc8) == 0x08) { 1610f0d5c6f4SDmitry Torokhov /* 1611f0d5c6f4SDmitry Torokhov * Poll the track stick ... 1612f0d5c6f4SDmitry Torokhov */ 1613f0d5c6f4SDmitry Torokhov if (ps2_command(&psmouse->ps2dev, buf, PSMOUSE_CMD_POLL | (3 << 8))) 1614f0d5c6f4SDmitry Torokhov return -1; 1615f0d5c6f4SDmitry Torokhov } 1616f0d5c6f4SDmitry Torokhov 1617f0d5c6f4SDmitry Torokhov memcpy(psmouse->packet, buf, sizeof(buf)); 1618f0d5c6f4SDmitry Torokhov return 0; 1619f0d5c6f4SDmitry Torokhov } 1620f0d5c6f4SDmitry Torokhov 162125bded7cSSeth Forshee static int alps_hw_init_v1_v2(struct psmouse *psmouse) 16221da177e4SLinus Torvalds { 16231da177e4SLinus Torvalds struct alps_data *priv = psmouse->private; 16241da177e4SLinus Torvalds 162599df65e7SKevin Cernekee if ((priv->flags & ALPS_PASS) && 162625bded7cSSeth Forshee alps_passthrough_mode_v2(psmouse, true)) { 16271da177e4SLinus Torvalds return -1; 1628b7802c5cSDmitry Torokhov } 16291da177e4SLinus Torvalds 1630b7802c5cSDmitry Torokhov if (alps_tap_mode(psmouse, true)) { 1631b5d21704SDmitry Torokhov psmouse_warn(psmouse, "Failed to enable hardware tapping\n"); 16321da177e4SLinus Torvalds return -1; 1633963f626dSPeter Osterlund } 16341da177e4SLinus Torvalds 163525bded7cSSeth Forshee if (alps_absolute_mode_v1_v2(psmouse)) { 1636b5d21704SDmitry Torokhov psmouse_err(psmouse, "Failed to enable absolute mode\n"); 16371da177e4SLinus Torvalds return -1; 16381da177e4SLinus Torvalds } 16391da177e4SLinus Torvalds 164099df65e7SKevin Cernekee if ((priv->flags & ALPS_PASS) && 164125bded7cSSeth Forshee alps_passthrough_mode_v2(psmouse, false)) { 16421da177e4SLinus Torvalds return -1; 1643b7802c5cSDmitry Torokhov } 16441da177e4SLinus Torvalds 16451e0c5b12SDmitry Torokhov /* ALPS needs stream mode, otherwise it won't report any data */ 16461e0c5b12SDmitry Torokhov if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSTREAM)) { 1647b5d21704SDmitry Torokhov psmouse_err(psmouse, "Failed to enable stream mode\n"); 16481e0c5b12SDmitry Torokhov return -1; 16491e0c5b12SDmitry Torokhov } 16501e0c5b12SDmitry Torokhov 16511e0c5b12SDmitry Torokhov return 0; 16521e0c5b12SDmitry Torokhov } 16531e0c5b12SDmitry Torokhov 165495f75e91SYunkang Tang static int alps_hw_init_v6(struct psmouse *psmouse) 165595f75e91SYunkang Tang { 165695f75e91SYunkang Tang unsigned char param[2] = {0xC8, 0x14}; 165795f75e91SYunkang Tang 165895f75e91SYunkang Tang /* Enter passthrough mode to let trackpoint enter 6byte raw mode */ 165995f75e91SYunkang Tang if (alps_passthrough_mode_v2(psmouse, true)) 166095f75e91SYunkang Tang return -1; 166195f75e91SYunkang Tang 166295f75e91SYunkang Tang if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 166395f75e91SYunkang Tang ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 166495f75e91SYunkang Tang ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 166595f75e91SYunkang Tang ps2_command(&psmouse->ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || 166695f75e91SYunkang Tang ps2_command(&psmouse->ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE)) 166795f75e91SYunkang Tang return -1; 166895f75e91SYunkang Tang 166995f75e91SYunkang Tang if (alps_passthrough_mode_v2(psmouse, false)) 167095f75e91SYunkang Tang return -1; 167195f75e91SYunkang Tang 167295f75e91SYunkang Tang if (alps_absolute_mode_v6(psmouse)) { 167395f75e91SYunkang Tang psmouse_err(psmouse, "Failed to enable absolute mode\n"); 167495f75e91SYunkang Tang return -1; 167595f75e91SYunkang Tang } 167695f75e91SYunkang Tang 167795f75e91SYunkang Tang return 0; 167895f75e91SYunkang Tang } 167995f75e91SYunkang Tang 168025bded7cSSeth Forshee /* 1681cd401204SKevin Cernekee * Enable or disable passthrough mode to the trackstick. 168225bded7cSSeth Forshee */ 1683cd401204SKevin Cernekee static int alps_passthrough_mode_v3(struct psmouse *psmouse, 1684cd401204SKevin Cernekee int reg_base, bool enable) 168525bded7cSSeth Forshee { 1686cd401204SKevin Cernekee int reg_val, ret = -1; 168725bded7cSSeth Forshee 1688d18e53fcSKevin Cernekee if (alps_enter_command_mode(psmouse)) 168925bded7cSSeth Forshee return -1; 169025bded7cSSeth Forshee 1691cd401204SKevin Cernekee reg_val = alps_command_mode_read_reg(psmouse, reg_base + 0x0008); 1692cd401204SKevin Cernekee if (reg_val == -1) 1693cd401204SKevin Cernekee goto error; 1694cd401204SKevin Cernekee 169525bded7cSSeth Forshee if (enable) 169625bded7cSSeth Forshee reg_val |= 0x01; 169725bded7cSSeth Forshee else 169825bded7cSSeth Forshee reg_val &= ~0x01; 169925bded7cSSeth Forshee 1700cd401204SKevin Cernekee ret = __alps_command_mode_write_reg(psmouse, reg_val); 170125bded7cSSeth Forshee 1702cd401204SKevin Cernekee error: 1703cd401204SKevin Cernekee if (alps_exit_command_mode(psmouse)) 1704cd401204SKevin Cernekee ret = -1; 1705cd401204SKevin Cernekee return ret; 170625bded7cSSeth Forshee } 170725bded7cSSeth Forshee 170825bded7cSSeth Forshee /* Must be in command mode when calling this function */ 170925bded7cSSeth Forshee static int alps_absolute_mode_v3(struct psmouse *psmouse) 171025bded7cSSeth Forshee { 171125bded7cSSeth Forshee int reg_val; 171225bded7cSSeth Forshee 171325bded7cSSeth Forshee reg_val = alps_command_mode_read_reg(psmouse, 0x0004); 171425bded7cSSeth Forshee if (reg_val == -1) 171525bded7cSSeth Forshee return -1; 171625bded7cSSeth Forshee 171725bded7cSSeth Forshee reg_val |= 0x06; 171825bded7cSSeth Forshee if (__alps_command_mode_write_reg(psmouse, reg_val)) 171925bded7cSSeth Forshee return -1; 172025bded7cSSeth Forshee 172125bded7cSSeth Forshee return 0; 172225bded7cSSeth Forshee } 172325bded7cSSeth Forshee 1724cd401204SKevin Cernekee static int alps_probe_trackstick_v3(struct psmouse *psmouse, int reg_base) 172525bded7cSSeth Forshee { 1726cd401204SKevin Cernekee int ret = -EIO, reg_val; 172725bded7cSSeth Forshee 1728d18e53fcSKevin Cernekee if (alps_enter_command_mode(psmouse)) 172925bded7cSSeth Forshee goto error; 173025bded7cSSeth Forshee 1731cd401204SKevin Cernekee reg_val = alps_command_mode_read_reg(psmouse, reg_base + 0x08); 173225bded7cSSeth Forshee if (reg_val == -1) 173325bded7cSSeth Forshee goto error; 1734cd401204SKevin Cernekee 1735cd401204SKevin Cernekee /* bit 7: trackstick is present */ 1736cd401204SKevin Cernekee ret = reg_val & 0x80 ? 0 : -ENODEV; 1737cd401204SKevin Cernekee 1738cd401204SKevin Cernekee error: 1739cd401204SKevin Cernekee alps_exit_command_mode(psmouse); 1740cd401204SKevin Cernekee return ret; 1741cd401204SKevin Cernekee } 1742cd401204SKevin Cernekee 1743cd401204SKevin Cernekee static int alps_setup_trackstick_v3(struct psmouse *psmouse, int reg_base) 1744cd401204SKevin Cernekee { 1745cd401204SKevin Cernekee struct ps2dev *ps2dev = &psmouse->ps2dev; 1746cd401204SKevin Cernekee int ret = 0; 1747cd401204SKevin Cernekee unsigned char param[4]; 1748cd401204SKevin Cernekee 1749cd401204SKevin Cernekee if (alps_passthrough_mode_v3(psmouse, reg_base, true)) 1750cd401204SKevin Cernekee return -EIO; 175125bded7cSSeth Forshee 175225bded7cSSeth Forshee /* 175325bded7cSSeth Forshee * E7 report for the trackstick 175425bded7cSSeth Forshee * 175525bded7cSSeth Forshee * There have been reports of failures to seem to trace back 175625bded7cSSeth Forshee * to the above trackstick check failing. When these occur 175725bded7cSSeth Forshee * this E7 report fails, so when that happens we continue 175825bded7cSSeth Forshee * with the assumption that there isn't a trackstick after 175925bded7cSSeth Forshee * all. 176025bded7cSSeth Forshee */ 1761cd401204SKevin Cernekee if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_SETSCALE21, param)) { 176225bded7cSSeth Forshee psmouse_warn(psmouse, "trackstick E7 report failed\n"); 1763cd401204SKevin Cernekee ret = -ENODEV; 176425bded7cSSeth Forshee } else { 176539fbe585SDmitry Torokhov psmouse_dbg(psmouse, "trackstick E7 report: %3ph\n", param); 176625bded7cSSeth Forshee 176725bded7cSSeth Forshee /* 176825bded7cSSeth Forshee * Not sure what this does, but it is absolutely 176925bded7cSSeth Forshee * essential. Without it, the touchpad does not 177025bded7cSSeth Forshee * work at all and the trackstick just emits normal 177125bded7cSSeth Forshee * PS/2 packets. 177225bded7cSSeth Forshee */ 177325bded7cSSeth Forshee if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 177425bded7cSSeth Forshee ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 177525bded7cSSeth Forshee ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || 177625bded7cSSeth Forshee alps_command_mode_send_nibble(psmouse, 0x9) || 177725bded7cSSeth Forshee alps_command_mode_send_nibble(psmouse, 0x4)) { 177825bded7cSSeth Forshee psmouse_err(psmouse, 177925bded7cSSeth Forshee "Error sending magic E6 sequence\n"); 1780cd401204SKevin Cernekee ret = -EIO; 178125bded7cSSeth Forshee goto error; 178225bded7cSSeth Forshee } 178325bded7cSSeth Forshee 1784cd401204SKevin Cernekee /* 1785cd401204SKevin Cernekee * This ensures the trackstick packets are in the format 1786cd401204SKevin Cernekee * supported by this driver. If bit 1 isn't set the packet 1787cd401204SKevin Cernekee * format is different. 1788cd401204SKevin Cernekee */ 1789d18e53fcSKevin Cernekee if (alps_enter_command_mode(psmouse) || 1790cd401204SKevin Cernekee alps_command_mode_write_reg(psmouse, 1791cd401204SKevin Cernekee reg_base + 0x08, 0x82) || 1792cd401204SKevin Cernekee alps_exit_command_mode(psmouse)) 1793cd401204SKevin Cernekee ret = -EIO; 1794cd401204SKevin Cernekee } 1795cd401204SKevin Cernekee 1796cd401204SKevin Cernekee error: 1797cd401204SKevin Cernekee if (alps_passthrough_mode_v3(psmouse, reg_base, false)) 1798cd401204SKevin Cernekee ret = -EIO; 1799cd401204SKevin Cernekee 1800cd401204SKevin Cernekee return ret; 1801cd401204SKevin Cernekee } 1802cd401204SKevin Cernekee 1803cd401204SKevin Cernekee static int alps_hw_init_v3(struct psmouse *psmouse) 1804cd401204SKevin Cernekee { 1805cd401204SKevin Cernekee struct ps2dev *ps2dev = &psmouse->ps2dev; 1806cd401204SKevin Cernekee int reg_val; 1807cd401204SKevin Cernekee unsigned char param[4]; 1808cd401204SKevin Cernekee 1809cd401204SKevin Cernekee reg_val = alps_probe_trackstick_v3(psmouse, ALPS_REG_BASE_PINNACLE); 1810cd401204SKevin Cernekee if (reg_val == -EIO) 1811cd401204SKevin Cernekee goto error; 181239fbe585SDmitry Torokhov 1813cd401204SKevin Cernekee if (reg_val == 0 && 1814cd401204SKevin Cernekee alps_setup_trackstick_v3(psmouse, ALPS_REG_BASE_PINNACLE) == -EIO) 1815cd401204SKevin Cernekee goto error; 1816cd401204SKevin Cernekee 1817d18e53fcSKevin Cernekee if (alps_enter_command_mode(psmouse) || 1818cd401204SKevin Cernekee alps_absolute_mode_v3(psmouse)) { 181925bded7cSSeth Forshee psmouse_err(psmouse, "Failed to enter absolute mode\n"); 182025bded7cSSeth Forshee goto error; 182125bded7cSSeth Forshee } 182225bded7cSSeth Forshee 182325bded7cSSeth Forshee reg_val = alps_command_mode_read_reg(psmouse, 0x0006); 182425bded7cSSeth Forshee if (reg_val == -1) 182525bded7cSSeth Forshee goto error; 182625bded7cSSeth Forshee if (__alps_command_mode_write_reg(psmouse, reg_val | 0x01)) 182725bded7cSSeth Forshee goto error; 182825bded7cSSeth Forshee 182925bded7cSSeth Forshee reg_val = alps_command_mode_read_reg(psmouse, 0x0007); 183025bded7cSSeth Forshee if (reg_val == -1) 183125bded7cSSeth Forshee goto error; 183225bded7cSSeth Forshee if (__alps_command_mode_write_reg(psmouse, reg_val | 0x01)) 183325bded7cSSeth Forshee goto error; 183425bded7cSSeth Forshee 183525bded7cSSeth Forshee if (alps_command_mode_read_reg(psmouse, 0x0144) == -1) 183625bded7cSSeth Forshee goto error; 183725bded7cSSeth Forshee if (__alps_command_mode_write_reg(psmouse, 0x04)) 183825bded7cSSeth Forshee goto error; 183925bded7cSSeth Forshee 184025bded7cSSeth Forshee if (alps_command_mode_read_reg(psmouse, 0x0159) == -1) 184125bded7cSSeth Forshee goto error; 184225bded7cSSeth Forshee if (__alps_command_mode_write_reg(psmouse, 0x03)) 184325bded7cSSeth Forshee goto error; 184425bded7cSSeth Forshee 184525bded7cSSeth Forshee if (alps_command_mode_read_reg(psmouse, 0x0163) == -1) 184625bded7cSSeth Forshee goto error; 184725bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x0163, 0x03)) 184825bded7cSSeth Forshee goto error; 184925bded7cSSeth Forshee 185025bded7cSSeth Forshee if (alps_command_mode_read_reg(psmouse, 0x0162) == -1) 185125bded7cSSeth Forshee goto error; 185225bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x0162, 0x04)) 185325bded7cSSeth Forshee goto error; 185425bded7cSSeth Forshee 185525bded7cSSeth Forshee alps_exit_command_mode(psmouse); 185625bded7cSSeth Forshee 185725bded7cSSeth Forshee /* Set rate and enable data reporting */ 185825bded7cSSeth Forshee param[0] = 0x64; 185925bded7cSSeth Forshee if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE) || 186025bded7cSSeth Forshee ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) { 186125bded7cSSeth Forshee psmouse_err(psmouse, "Failed to enable data reporting\n"); 186225bded7cSSeth Forshee return -1; 186325bded7cSSeth Forshee } 186425bded7cSSeth Forshee 186525bded7cSSeth Forshee return 0; 186625bded7cSSeth Forshee 186725bded7cSSeth Forshee error: 186825bded7cSSeth Forshee /* 186925bded7cSSeth Forshee * Leaving the touchpad in command mode will essentially render 187025bded7cSSeth Forshee * it unusable until the machine reboots, so exit it here just 187125bded7cSSeth Forshee * to be safe 187225bded7cSSeth Forshee */ 187325bded7cSSeth Forshee alps_exit_command_mode(psmouse); 187425bded7cSSeth Forshee return -1; 187525bded7cSSeth Forshee } 187625bded7cSSeth Forshee 1877f3f33c67SHans de Goede static int alps_get_v3_v7_resolution(struct psmouse *psmouse, int reg_pitch) 1878f3f33c67SHans de Goede { 1879f3f33c67SHans de Goede int reg, x_pitch, y_pitch, x_electrode, y_electrode, x_phys, y_phys; 1880f3f33c67SHans de Goede struct alps_data *priv = psmouse->private; 1881f3f33c67SHans de Goede 1882f3f33c67SHans de Goede reg = alps_command_mode_read_reg(psmouse, reg_pitch); 1883f3f33c67SHans de Goede if (reg < 0) 1884f3f33c67SHans de Goede return reg; 1885f3f33c67SHans de Goede 1886f3f33c67SHans de Goede x_pitch = (char)(reg << 4) >> 4; /* sign extend lower 4 bits */ 1887f3f33c67SHans de Goede x_pitch = 50 + 2 * x_pitch; /* In 0.1 mm units */ 1888f3f33c67SHans de Goede 1889f3f33c67SHans de Goede y_pitch = (char)reg >> 4; /* sign extend upper 4 bits */ 1890f3f33c67SHans de Goede y_pitch = 36 + 2 * y_pitch; /* In 0.1 mm units */ 1891f3f33c67SHans de Goede 1892f3f33c67SHans de Goede reg = alps_command_mode_read_reg(psmouse, reg_pitch + 1); 1893f3f33c67SHans de Goede if (reg < 0) 1894f3f33c67SHans de Goede return reg; 1895f3f33c67SHans de Goede 1896f3f33c67SHans de Goede x_electrode = (char)(reg << 4) >> 4; /* sign extend lower 4 bits */ 1897f3f33c67SHans de Goede x_electrode = 17 + x_electrode; 1898f3f33c67SHans de Goede 1899f3f33c67SHans de Goede y_electrode = (char)reg >> 4; /* sign extend upper 4 bits */ 1900f3f33c67SHans de Goede y_electrode = 13 + y_electrode; 1901f3f33c67SHans de Goede 1902f3f33c67SHans de Goede x_phys = x_pitch * (x_electrode - 1); /* In 0.1 mm units */ 1903f3f33c67SHans de Goede y_phys = y_pitch * (y_electrode - 1); /* In 0.1 mm units */ 1904f3f33c67SHans de Goede 1905f3f33c67SHans de Goede priv->x_res = priv->x_max * 10 / x_phys; /* units / mm */ 1906f3f33c67SHans de Goede priv->y_res = priv->y_max * 10 / y_phys; /* units / mm */ 1907f3f33c67SHans de Goede 1908f3f33c67SHans de Goede psmouse_dbg(psmouse, 1909f3f33c67SHans de Goede "pitch %dx%d num-electrodes %dx%d physical size %dx%d mm res %dx%d\n", 1910f3f33c67SHans de Goede x_pitch, y_pitch, x_electrode, y_electrode, 1911f3f33c67SHans de Goede x_phys / 10, y_phys / 10, priv->x_res, priv->y_res); 1912f3f33c67SHans de Goede 1913f3f33c67SHans de Goede return 0; 1914f3f33c67SHans de Goede } 1915f3f33c67SHans de Goede 19161302bac3SKevin Cernekee static int alps_hw_init_rushmore_v3(struct psmouse *psmouse) 19171302bac3SKevin Cernekee { 1918cd401204SKevin Cernekee struct alps_data *priv = psmouse->private; 19191302bac3SKevin Cernekee struct ps2dev *ps2dev = &psmouse->ps2dev; 19201302bac3SKevin Cernekee int reg_val, ret = -1; 19211302bac3SKevin Cernekee 1922cd401204SKevin Cernekee if (priv->flags & ALPS_DUALPOINT) { 1923cd401204SKevin Cernekee reg_val = alps_setup_trackstick_v3(psmouse, 1924cd401204SKevin Cernekee ALPS_REG_BASE_RUSHMORE); 1925cd401204SKevin Cernekee if (reg_val == -EIO) 1926cd401204SKevin Cernekee goto error; 1927cd401204SKevin Cernekee if (reg_val == -ENODEV) 1928cd401204SKevin Cernekee priv->flags &= ~ALPS_DUALPOINT; 1929cd401204SKevin Cernekee } 1930cd401204SKevin Cernekee 1931d18e53fcSKevin Cernekee if (alps_enter_command_mode(psmouse) || 19321302bac3SKevin Cernekee alps_command_mode_read_reg(psmouse, 0xc2d9) == -1 || 19331302bac3SKevin Cernekee alps_command_mode_write_reg(psmouse, 0xc2cb, 0x00)) 19341302bac3SKevin Cernekee goto error; 19351302bac3SKevin Cernekee 1936f3f33c67SHans de Goede if (alps_get_v3_v7_resolution(psmouse, 0xc2da)) 1937f3f33c67SHans de Goede goto error; 1938f3f33c67SHans de Goede 19391302bac3SKevin Cernekee reg_val = alps_command_mode_read_reg(psmouse, 0xc2c6); 19401302bac3SKevin Cernekee if (reg_val == -1) 19411302bac3SKevin Cernekee goto error; 19421302bac3SKevin Cernekee if (__alps_command_mode_write_reg(psmouse, reg_val & 0xfd)) 19431302bac3SKevin Cernekee goto error; 19441302bac3SKevin Cernekee 19451302bac3SKevin Cernekee if (alps_command_mode_write_reg(psmouse, 0xc2c9, 0x64)) 19461302bac3SKevin Cernekee goto error; 19471302bac3SKevin Cernekee 19481302bac3SKevin Cernekee /* enter absolute mode */ 19491302bac3SKevin Cernekee reg_val = alps_command_mode_read_reg(psmouse, 0xc2c4); 19501302bac3SKevin Cernekee if (reg_val == -1) 19511302bac3SKevin Cernekee goto error; 19521302bac3SKevin Cernekee if (__alps_command_mode_write_reg(psmouse, reg_val | 0x02)) 19531302bac3SKevin Cernekee goto error; 19541302bac3SKevin Cernekee 19551302bac3SKevin Cernekee alps_exit_command_mode(psmouse); 19561302bac3SKevin Cernekee return ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE); 19571302bac3SKevin Cernekee 19581302bac3SKevin Cernekee error: 19591302bac3SKevin Cernekee alps_exit_command_mode(psmouse); 19601302bac3SKevin Cernekee return ret; 19611302bac3SKevin Cernekee } 19621302bac3SKevin Cernekee 196325bded7cSSeth Forshee /* Must be in command mode when calling this function */ 196425bded7cSSeth Forshee static int alps_absolute_mode_v4(struct psmouse *psmouse) 196525bded7cSSeth Forshee { 196625bded7cSSeth Forshee int reg_val; 196725bded7cSSeth Forshee 196825bded7cSSeth Forshee reg_val = alps_command_mode_read_reg(psmouse, 0x0004); 196925bded7cSSeth Forshee if (reg_val == -1) 197025bded7cSSeth Forshee return -1; 197125bded7cSSeth Forshee 197225bded7cSSeth Forshee reg_val |= 0x02; 197325bded7cSSeth Forshee if (__alps_command_mode_write_reg(psmouse, reg_val)) 197425bded7cSSeth Forshee return -1; 197525bded7cSSeth Forshee 197625bded7cSSeth Forshee return 0; 197725bded7cSSeth Forshee } 197825bded7cSSeth Forshee 197925bded7cSSeth Forshee static int alps_hw_init_v4(struct psmouse *psmouse) 198025bded7cSSeth Forshee { 198125bded7cSSeth Forshee struct ps2dev *ps2dev = &psmouse->ps2dev; 198225bded7cSSeth Forshee unsigned char param[4]; 198325bded7cSSeth Forshee 1984d18e53fcSKevin Cernekee if (alps_enter_command_mode(psmouse)) 198525bded7cSSeth Forshee goto error; 198625bded7cSSeth Forshee 198725bded7cSSeth Forshee if (alps_absolute_mode_v4(psmouse)) { 198825bded7cSSeth Forshee psmouse_err(psmouse, "Failed to enter absolute mode\n"); 198925bded7cSSeth Forshee goto error; 199025bded7cSSeth Forshee } 199125bded7cSSeth Forshee 199225bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x0007, 0x8c)) 199325bded7cSSeth Forshee goto error; 199425bded7cSSeth Forshee 199525bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x0149, 0x03)) 199625bded7cSSeth Forshee goto error; 199725bded7cSSeth Forshee 199825bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x0160, 0x03)) 199925bded7cSSeth Forshee goto error; 200025bded7cSSeth Forshee 200125bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x017f, 0x15)) 200225bded7cSSeth Forshee goto error; 200325bded7cSSeth Forshee 200425bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x0151, 0x01)) 200525bded7cSSeth Forshee goto error; 200625bded7cSSeth Forshee 200725bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x0168, 0x03)) 200825bded7cSSeth Forshee goto error; 200925bded7cSSeth Forshee 201025bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x014a, 0x03)) 201125bded7cSSeth Forshee goto error; 201225bded7cSSeth Forshee 201325bded7cSSeth Forshee if (alps_command_mode_write_reg(psmouse, 0x0161, 0x03)) 201425bded7cSSeth Forshee goto error; 201525bded7cSSeth Forshee 201625bded7cSSeth Forshee alps_exit_command_mode(psmouse); 201725bded7cSSeth Forshee 201825bded7cSSeth Forshee /* 201925bded7cSSeth Forshee * This sequence changes the output from a 9-byte to an 202025bded7cSSeth Forshee * 8-byte format. All the same data seems to be present, 202125bded7cSSeth Forshee * just in a more compact format. 202225bded7cSSeth Forshee */ 202325bded7cSSeth Forshee param[0] = 0xc8; 202425bded7cSSeth Forshee param[1] = 0x64; 202525bded7cSSeth Forshee param[2] = 0x50; 202625bded7cSSeth Forshee if (ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || 202725bded7cSSeth Forshee ps2_command(ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE) || 202825bded7cSSeth Forshee ps2_command(ps2dev, ¶m[2], PSMOUSE_CMD_SETRATE) || 202925bded7cSSeth Forshee ps2_command(ps2dev, param, PSMOUSE_CMD_GETID)) 203025bded7cSSeth Forshee return -1; 203125bded7cSSeth Forshee 203225bded7cSSeth Forshee /* Set rate and enable data reporting */ 203325bded7cSSeth Forshee param[0] = 0x64; 203425bded7cSSeth Forshee if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE) || 203525bded7cSSeth Forshee ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) { 203625bded7cSSeth Forshee psmouse_err(psmouse, "Failed to enable data reporting\n"); 203725bded7cSSeth Forshee return -1; 203825bded7cSSeth Forshee } 203925bded7cSSeth Forshee 204025bded7cSSeth Forshee return 0; 204125bded7cSSeth Forshee 204225bded7cSSeth Forshee error: 204325bded7cSSeth Forshee /* 204425bded7cSSeth Forshee * Leaving the touchpad in command mode will essentially render 204525bded7cSSeth Forshee * it unusable until the machine reboots, so exit it here just 204625bded7cSSeth Forshee * to be safe 204725bded7cSSeth Forshee */ 204825bded7cSSeth Forshee alps_exit_command_mode(psmouse); 204925bded7cSSeth Forshee return -1; 205025bded7cSSeth Forshee } 205125bded7cSSeth Forshee 2052ee65d4b3SYunkang Tang static int alps_dolphin_get_device_area(struct psmouse *psmouse, 2053ee65d4b3SYunkang Tang struct alps_data *priv) 2054ee65d4b3SYunkang Tang { 2055ee65d4b3SYunkang Tang struct ps2dev *ps2dev = &psmouse->ps2dev; 2056ee65d4b3SYunkang Tang unsigned char param[4] = {0}; 2057ee65d4b3SYunkang Tang int num_x_electrode, num_y_electrode; 2058ee65d4b3SYunkang Tang 2059ee65d4b3SYunkang Tang if (alps_enter_command_mode(psmouse)) 2060ee65d4b3SYunkang Tang return -1; 2061ee65d4b3SYunkang Tang 2062ee65d4b3SYunkang Tang param[0] = 0x0a; 2063ee65d4b3SYunkang Tang if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP) || 2064ee65d4b3SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL) || 2065ee65d4b3SYunkang Tang ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL) || 2066ee65d4b3SYunkang Tang ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || 2067ee65d4b3SYunkang Tang ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE)) 2068ee65d4b3SYunkang Tang return -1; 2069ee65d4b3SYunkang Tang 2070ee65d4b3SYunkang Tang if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) 2071ee65d4b3SYunkang Tang return -1; 2072ee65d4b3SYunkang Tang 2073ee65d4b3SYunkang Tang /* 2074ee65d4b3SYunkang Tang * Dolphin's sensor line number is not fixed. It can be calculated 2075ee65d4b3SYunkang Tang * by adding the device's register value with DOLPHIN_PROFILE_X/YOFFSET. 2076ee65d4b3SYunkang Tang * Further more, we can get device's x_max and y_max by multiplying 2077ee65d4b3SYunkang Tang * sensor line number with DOLPHIN_COUNT_PER_ELECTRODE. 2078ee65d4b3SYunkang Tang * 2079ee65d4b3SYunkang Tang * e.g. When we get register's sensor_x = 11 & sensor_y = 8, 2080ee65d4b3SYunkang Tang * real sensor line number X = 11 + 8 = 19, and 2081ee65d4b3SYunkang Tang * real sensor line number Y = 8 + 1 = 9. 2082ee65d4b3SYunkang Tang * So, x_max = (19 - 1) * 64 = 1152, and 2083ee65d4b3SYunkang Tang * y_max = (9 - 1) * 64 = 512. 2084ee65d4b3SYunkang Tang */ 2085ee65d4b3SYunkang Tang num_x_electrode = DOLPHIN_PROFILE_XOFFSET + (param[2] & 0x0F); 2086ee65d4b3SYunkang Tang num_y_electrode = DOLPHIN_PROFILE_YOFFSET + ((param[2] >> 4) & 0x0F); 2087ee65d4b3SYunkang Tang priv->x_bits = num_x_electrode; 2088ee65d4b3SYunkang Tang priv->y_bits = num_y_electrode; 2089ee65d4b3SYunkang Tang priv->x_max = (num_x_electrode - 1) * DOLPHIN_COUNT_PER_ELECTRODE; 2090ee65d4b3SYunkang Tang priv->y_max = (num_y_electrode - 1) * DOLPHIN_COUNT_PER_ELECTRODE; 2091ee65d4b3SYunkang Tang 2092ee65d4b3SYunkang Tang if (alps_exit_command_mode(psmouse)) 2093ee65d4b3SYunkang Tang return -1; 2094ee65d4b3SYunkang Tang 2095ee65d4b3SYunkang Tang return 0; 2096ee65d4b3SYunkang Tang } 2097ee65d4b3SYunkang Tang 209875af9e56SDave Turvene static int alps_hw_init_dolphin_v1(struct psmouse *psmouse) 209975af9e56SDave Turvene { 210075af9e56SDave Turvene struct ps2dev *ps2dev = &psmouse->ps2dev; 210175af9e56SDave Turvene unsigned char param[2]; 210275af9e56SDave Turvene 210375af9e56SDave Turvene /* This is dolphin "v1" as empirically defined by florin9doi */ 210475af9e56SDave Turvene param[0] = 0x64; 210575af9e56SDave Turvene param[1] = 0x28; 210675af9e56SDave Turvene 210775af9e56SDave Turvene if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) || 210875af9e56SDave Turvene ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || 210975af9e56SDave Turvene ps2_command(ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE)) 211075af9e56SDave Turvene return -1; 211175af9e56SDave Turvene 211275af9e56SDave Turvene return 0; 211375af9e56SDave Turvene } 211475af9e56SDave Turvene 21153808843cSYunkang Tang static int alps_hw_init_v7(struct psmouse *psmouse) 21163808843cSYunkang Tang { 21173808843cSYunkang Tang struct ps2dev *ps2dev = &psmouse->ps2dev; 21183808843cSYunkang Tang int reg_val, ret = -1; 21193808843cSYunkang Tang 21203808843cSYunkang Tang if (alps_enter_command_mode(psmouse) || 21213808843cSYunkang Tang alps_command_mode_read_reg(psmouse, 0xc2d9) == -1) 21223808843cSYunkang Tang goto error; 21233808843cSYunkang Tang 2124f3f33c67SHans de Goede if (alps_get_v3_v7_resolution(psmouse, 0xc397)) 2125f3f33c67SHans de Goede goto error; 2126f3f33c67SHans de Goede 21273808843cSYunkang Tang if (alps_command_mode_write_reg(psmouse, 0xc2c9, 0x64)) 21283808843cSYunkang Tang goto error; 21293808843cSYunkang Tang 21303808843cSYunkang Tang reg_val = alps_command_mode_read_reg(psmouse, 0xc2c4); 21313808843cSYunkang Tang if (reg_val == -1) 21323808843cSYunkang Tang goto error; 21333808843cSYunkang Tang if (__alps_command_mode_write_reg(psmouse, reg_val | 0x02)) 21343808843cSYunkang Tang goto error; 21353808843cSYunkang Tang 21363808843cSYunkang Tang alps_exit_command_mode(psmouse); 21373808843cSYunkang Tang return ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE); 21383808843cSYunkang Tang 21393808843cSYunkang Tang error: 21403808843cSYunkang Tang alps_exit_command_mode(psmouse); 21413808843cSYunkang Tang return ret; 21423808843cSYunkang Tang } 21433808843cSYunkang Tang 214424af5cb9SKevin Cernekee static void alps_set_defaults(struct alps_data *priv) 214525bded7cSSeth Forshee { 2146f673ceb1SKevin Cernekee priv->byte0 = 0x8f; 2147f673ceb1SKevin Cernekee priv->mask0 = 0x8f; 2148f673ceb1SKevin Cernekee priv->flags = ALPS_DUALPOINT; 2149f673ceb1SKevin Cernekee 21507a9f73e7SKevin Cernekee priv->x_max = 2000; 21517a9f73e7SKevin Cernekee priv->y_max = 1400; 21527a9f73e7SKevin Cernekee priv->x_bits = 15; 21537a9f73e7SKevin Cernekee priv->y_bits = 11; 21547a9f73e7SKevin Cernekee 215599df65e7SKevin Cernekee switch (priv->proto_version) { 215625bded7cSSeth Forshee case ALPS_PROTO_V1: 215725bded7cSSeth Forshee case ALPS_PROTO_V2: 215824af5cb9SKevin Cernekee priv->hw_init = alps_hw_init_v1_v2; 215924af5cb9SKevin Cernekee priv->process_packet = alps_process_packet_v1_v2; 216024af5cb9SKevin Cernekee priv->set_abs_params = alps_set_abs_params_st; 216195f75e91SYunkang Tang priv->x_max = 1023; 216295f75e91SYunkang Tang priv->y_max = 767; 216325bded7cSSeth Forshee break; 216425bded7cSSeth Forshee case ALPS_PROTO_V3: 216524af5cb9SKevin Cernekee priv->hw_init = alps_hw_init_v3; 216624af5cb9SKevin Cernekee priv->process_packet = alps_process_packet_v3; 216724af5cb9SKevin Cernekee priv->set_abs_params = alps_set_abs_params_mt; 2168f85e5001SKevin Cernekee priv->decode_fields = alps_decode_pinnacle; 216950e8b216SKevin Cernekee priv->nibble_commands = alps_v3_nibble_commands; 217050e8b216SKevin Cernekee priv->addr_command = PSMOUSE_CMD_RESET_WRAP; 217125bded7cSSeth Forshee break; 217225bded7cSSeth Forshee case ALPS_PROTO_V4: 217324af5cb9SKevin Cernekee priv->hw_init = alps_hw_init_v4; 217424af5cb9SKevin Cernekee priv->process_packet = alps_process_packet_v4; 217524af5cb9SKevin Cernekee priv->set_abs_params = alps_set_abs_params_mt; 217650e8b216SKevin Cernekee priv->nibble_commands = alps_v4_nibble_commands; 217750e8b216SKevin Cernekee priv->addr_command = PSMOUSE_CMD_DISABLE; 217825bded7cSSeth Forshee break; 217975af9e56SDave Turvene case ALPS_PROTO_V5: 218075af9e56SDave Turvene priv->hw_init = alps_hw_init_dolphin_v1; 2181ee65d4b3SYunkang Tang priv->process_packet = alps_process_touchpad_packet_v3_v5; 218275af9e56SDave Turvene priv->decode_fields = alps_decode_dolphin; 218375af9e56SDave Turvene priv->set_abs_params = alps_set_abs_params_mt; 218475af9e56SDave Turvene priv->nibble_commands = alps_v3_nibble_commands; 218575af9e56SDave Turvene priv->addr_command = PSMOUSE_CMD_RESET_WRAP; 218675af9e56SDave Turvene priv->byte0 = 0xc8; 2187ee65d4b3SYunkang Tang priv->mask0 = 0xd8; 218875af9e56SDave Turvene priv->flags = 0; 218975af9e56SDave Turvene priv->x_max = 1360; 219075af9e56SDave Turvene priv->y_max = 660; 219175af9e56SDave Turvene priv->x_bits = 23; 219275af9e56SDave Turvene priv->y_bits = 12; 219375af9e56SDave Turvene break; 219495f75e91SYunkang Tang case ALPS_PROTO_V6: 219595f75e91SYunkang Tang priv->hw_init = alps_hw_init_v6; 219695f75e91SYunkang Tang priv->process_packet = alps_process_packet_v6; 219795f75e91SYunkang Tang priv->set_abs_params = alps_set_abs_params_st; 219895f75e91SYunkang Tang priv->nibble_commands = alps_v6_nibble_commands; 219995f75e91SYunkang Tang priv->x_max = 2047; 220095f75e91SYunkang Tang priv->y_max = 1535; 220195f75e91SYunkang Tang break; 22023808843cSYunkang Tang case ALPS_PROTO_V7: 22033808843cSYunkang Tang priv->hw_init = alps_hw_init_v7; 22043808843cSYunkang Tang priv->process_packet = alps_process_packet_v7; 22053808843cSYunkang Tang priv->decode_fields = alps_decode_packet_v7; 22063808843cSYunkang Tang priv->set_abs_params = alps_set_abs_params_mt; 22073808843cSYunkang Tang priv->nibble_commands = alps_v3_nibble_commands; 22083808843cSYunkang Tang priv->addr_command = PSMOUSE_CMD_RESET_WRAP; 22093808843cSYunkang Tang priv->x_max = 0xfff; 22103808843cSYunkang Tang priv->y_max = 0x7ff; 22113808843cSYunkang Tang priv->byte0 = 0x48; 22123808843cSYunkang Tang priv->mask0 = 0x48; 22133808843cSYunkang Tang 22143808843cSYunkang Tang if (priv->fw_ver[1] != 0xba) 22153808843cSYunkang Tang priv->flags |= ALPS_BUTTONPAD; 22163808843cSYunkang Tang break; 221725bded7cSSeth Forshee } 221825bded7cSSeth Forshee } 221925bded7cSSeth Forshee 2220b5d6b851SKevin Cernekee static int alps_match_table(struct psmouse *psmouse, struct alps_data *priv, 2221b5d6b851SKevin Cernekee unsigned char *e7, unsigned char *ec) 22222e992cc0SKevin Cernekee { 2223b5d6b851SKevin Cernekee const struct alps_model_info *model; 22242e992cc0SKevin Cernekee int i; 22252e992cc0SKevin Cernekee 2226b5d6b851SKevin Cernekee for (i = 0; i < ARRAY_SIZE(alps_model_data); i++) { 2227b5d6b851SKevin Cernekee model = &alps_model_data[i]; 2228b5d6b851SKevin Cernekee 2229b5d6b851SKevin Cernekee if (!memcmp(e7, model->signature, sizeof(model->signature)) && 2230b5d6b851SKevin Cernekee (!model->command_mode_resp || 2231b5d6b851SKevin Cernekee model->command_mode_resp == ec[2])) { 2232b5d6b851SKevin Cernekee 2233b5d6b851SKevin Cernekee priv->proto_version = model->proto_version; 223424af5cb9SKevin Cernekee alps_set_defaults(priv); 223524af5cb9SKevin Cernekee 2236b5d6b851SKevin Cernekee priv->flags = model->flags; 2237b5d6b851SKevin Cernekee priv->byte0 = model->byte0; 2238b5d6b851SKevin Cernekee priv->mask0 = model->mask0; 2239b5d6b851SKevin Cernekee 2240b5d6b851SKevin Cernekee return 0; 2241b5d6b851SKevin Cernekee } 2242b5d6b851SKevin Cernekee } 2243b5d6b851SKevin Cernekee 2244b5d6b851SKevin Cernekee return -EINVAL; 2245b5d6b851SKevin Cernekee } 2246b5d6b851SKevin Cernekee 2247b5d6b851SKevin Cernekee static int alps_identify(struct psmouse *psmouse, struct alps_data *priv) 2248b5d6b851SKevin Cernekee { 2249b5d6b851SKevin Cernekee unsigned char e6[4], e7[4], ec[4]; 2250b5d6b851SKevin Cernekee 22512e992cc0SKevin Cernekee /* 22522e992cc0SKevin Cernekee * First try "E6 report". 22532e992cc0SKevin Cernekee * ALPS should return 0,0,10 or 0,0,100 if no buttons are pressed. 22542e992cc0SKevin Cernekee * The bits 0-2 of the first byte will be 1s if some buttons are 22552e992cc0SKevin Cernekee * pressed. 22562e992cc0SKevin Cernekee */ 2257b5d6b851SKevin Cernekee if (alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES, 2258b5d6b851SKevin Cernekee PSMOUSE_CMD_SETSCALE11, e6)) 2259b5d6b851SKevin Cernekee return -EIO; 22602e992cc0SKevin Cernekee 2261b5d6b851SKevin Cernekee if ((e6[0] & 0xf8) != 0 || e6[1] != 0 || (e6[2] != 10 && e6[2] != 100)) 2262b5d6b851SKevin Cernekee return -EINVAL; 22632e992cc0SKevin Cernekee 22642e992cc0SKevin Cernekee /* 2265b5d6b851SKevin Cernekee * Now get the "E7" and "EC" reports. These will uniquely identify 2266b5d6b851SKevin Cernekee * most ALPS touchpads. 22672e992cc0SKevin Cernekee */ 2268b5d6b851SKevin Cernekee if (alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES, 2269b5d6b851SKevin Cernekee PSMOUSE_CMD_SETSCALE21, e7) || 2270b5d6b851SKevin Cernekee alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES, 2271b5d6b851SKevin Cernekee PSMOUSE_CMD_RESET_WRAP, ec) || 2272b5d6b851SKevin Cernekee alps_exit_command_mode(psmouse)) 2273b5d6b851SKevin Cernekee return -EIO; 22742e992cc0SKevin Cernekee 2275c0cd17f6SHans de Goede /* Save the Firmware version */ 2276c0cd17f6SHans de Goede memcpy(priv->fw_ver, ec, 3); 2277c0cd17f6SHans de Goede 2278f673ceb1SKevin Cernekee if (alps_match_table(psmouse, priv, e7, ec) == 0) { 2279b5d6b851SKevin Cernekee return 0; 228075af9e56SDave Turvene } else if (e7[0] == 0x73 && e7[1] == 0x03 && e7[2] == 0x50 && 2281ee65d4b3SYunkang Tang ec[0] == 0x73 && (ec[1] == 0x01 || ec[1] == 0x02)) { 228275af9e56SDave Turvene priv->proto_version = ALPS_PROTO_V5; 228375af9e56SDave Turvene alps_set_defaults(priv); 2284ee65d4b3SYunkang Tang if (alps_dolphin_get_device_area(psmouse, priv)) 2285ee65d4b3SYunkang Tang return -EIO; 2286ee65d4b3SYunkang Tang else 228775af9e56SDave Turvene return 0; 22883808843cSYunkang Tang } else if (ec[0] == 0x88 && 22893808843cSYunkang Tang ((ec[1] & 0xf0) == 0xb0 || (ec[1] & 0xf0) == 0xc0)) { 22903808843cSYunkang Tang priv->proto_version = ALPS_PROTO_V7; 22913808843cSYunkang Tang alps_set_defaults(priv); 22923808843cSYunkang Tang 22933808843cSYunkang Tang return 0; 22941302bac3SKevin Cernekee } else if (ec[0] == 0x88 && ec[1] == 0x08) { 22951302bac3SKevin Cernekee priv->proto_version = ALPS_PROTO_V3; 22961302bac3SKevin Cernekee alps_set_defaults(priv); 22971302bac3SKevin Cernekee 22981302bac3SKevin Cernekee priv->hw_init = alps_hw_init_rushmore_v3; 22991302bac3SKevin Cernekee priv->decode_fields = alps_decode_rushmore; 23001302bac3SKevin Cernekee priv->x_bits = 16; 23011302bac3SKevin Cernekee priv->y_bits = 12; 230240e8f53bSHans de Goede priv->flags |= ALPS_IS_RUSHMORE; 23031302bac3SKevin Cernekee 2304cd401204SKevin Cernekee /* hack to make addr_command, nibble_command available */ 2305cd401204SKevin Cernekee psmouse->private = priv; 2306cd401204SKevin Cernekee 2307cd401204SKevin Cernekee if (alps_probe_trackstick_v3(psmouse, ALPS_REG_BASE_RUSHMORE)) 2308cd401204SKevin Cernekee priv->flags &= ~ALPS_DUALPOINT; 2309cd401204SKevin Cernekee 23101302bac3SKevin Cernekee return 0; 2311f673ceb1SKevin Cernekee } else if (ec[0] == 0x88 && ec[1] == 0x07 && 2312f673ceb1SKevin Cernekee ec[2] >= 0x90 && ec[2] <= 0x9d) { 2313f673ceb1SKevin Cernekee priv->proto_version = ALPS_PROTO_V3; 2314f673ceb1SKevin Cernekee alps_set_defaults(priv); 2315f673ceb1SKevin Cernekee 2316f673ceb1SKevin Cernekee return 0; 2317f673ceb1SKevin Cernekee } 23182e992cc0SKevin Cernekee 2319a9e06219SDmitry Torokhov psmouse_dbg(psmouse, 2320a9e06219SDmitry Torokhov "Likely not an ALPS touchpad: E7=%3ph, EC=%3ph\n", e7, ec); 23212e992cc0SKevin Cernekee 2322b5d6b851SKevin Cernekee return -EINVAL; 23232e992cc0SKevin Cernekee } 23242e992cc0SKevin Cernekee 23251e0c5b12SDmitry Torokhov static int alps_reconnect(struct psmouse *psmouse) 23261e0c5b12SDmitry Torokhov { 2327b5d6b851SKevin Cernekee struct alps_data *priv = psmouse->private; 232871bb21b6SMaxim Levitsky 23291e0c5b12SDmitry Torokhov psmouse_reset(psmouse); 23301e0c5b12SDmitry Torokhov 2331b5d6b851SKevin Cernekee if (alps_identify(psmouse, priv) < 0) 23321e0c5b12SDmitry Torokhov return -1; 23331e0c5b12SDmitry Torokhov 233424af5cb9SKevin Cernekee return priv->hw_init(psmouse); 23351da177e4SLinus Torvalds } 23361da177e4SLinus Torvalds 23371da177e4SLinus Torvalds static void alps_disconnect(struct psmouse *psmouse) 23381da177e4SLinus Torvalds { 23391da177e4SLinus Torvalds struct alps_data *priv = psmouse->private; 23402e5b636bSDmitry Torokhov 23411da177e4SLinus Torvalds psmouse_reset(psmouse); 23421d9f2626SSebastian Kapfer del_timer_sync(&priv->timer); 23432e5b636bSDmitry Torokhov input_unregister_device(priv->dev2); 23441da177e4SLinus Torvalds kfree(priv); 23451da177e4SLinus Torvalds } 23461da177e4SLinus Torvalds 234724af5cb9SKevin Cernekee static void alps_set_abs_params_st(struct alps_data *priv, 234824af5cb9SKevin Cernekee struct input_dev *dev1) 234924af5cb9SKevin Cernekee { 235095f75e91SYunkang Tang input_set_abs_params(dev1, ABS_X, 0, priv->x_max, 0, 0); 235195f75e91SYunkang Tang input_set_abs_params(dev1, ABS_Y, 0, priv->y_max, 0, 0); 235224af5cb9SKevin Cernekee } 235324af5cb9SKevin Cernekee 235424af5cb9SKevin Cernekee static void alps_set_abs_params_mt(struct alps_data *priv, 235524af5cb9SKevin Cernekee struct input_dev *dev1) 235624af5cb9SKevin Cernekee { 23577a9f73e7SKevin Cernekee input_set_abs_params(dev1, ABS_MT_POSITION_X, 0, priv->x_max, 0, 0); 23587a9f73e7SKevin Cernekee input_set_abs_params(dev1, ABS_MT_POSITION_Y, 0, priv->y_max, 0, 0); 235924af5cb9SKevin Cernekee 2360f3f33c67SHans de Goede input_abs_set_res(dev1, ABS_MT_POSITION_X, priv->x_res); 2361f3f33c67SHans de Goede input_abs_set_res(dev1, ABS_MT_POSITION_Y, priv->y_res); 2362f3f33c67SHans de Goede 2363cdf333efSHans de Goede input_mt_init_slots(dev1, MAX_TOUCHES, INPUT_MT_POINTER | 2364cdf333efSHans de Goede INPUT_MT_DROP_UNUSED | INPUT_MT_TRACK | INPUT_MT_SEMI_MT); 2365cdf333efSHans de Goede 236624af5cb9SKevin Cernekee set_bit(BTN_TOOL_TRIPLETAP, dev1->keybit); 236724af5cb9SKevin Cernekee set_bit(BTN_TOOL_QUADTAP, dev1->keybit); 23683808843cSYunkang Tang 23693808843cSYunkang Tang /* V7 is real multi-touch */ 23703808843cSYunkang Tang if (priv->proto_version == ALPS_PROTO_V7) 23713808843cSYunkang Tang clear_bit(INPUT_PROP_SEMI_MT, dev1->propbit); 237224af5cb9SKevin Cernekee } 237324af5cb9SKevin Cernekee 23741da177e4SLinus Torvalds int alps_init(struct psmouse *psmouse) 23751da177e4SLinus Torvalds { 23761da177e4SLinus Torvalds struct alps_data *priv; 23772e5b636bSDmitry Torokhov struct input_dev *dev1 = psmouse->dev, *dev2; 23781da177e4SLinus Torvalds 2379f42649e8SDmitry Torokhov priv = kzalloc(sizeof(struct alps_data), GFP_KERNEL); 23802e5b636bSDmitry Torokhov dev2 = input_allocate_device(); 23812e5b636bSDmitry Torokhov if (!priv || !dev2) 23821da177e4SLinus Torvalds goto init_fail; 23832e5b636bSDmitry Torokhov 23842e5b636bSDmitry Torokhov priv->dev2 = dev2; 23851d9f2626SSebastian Kapfer setup_timer(&priv->timer, alps_flush_packet, (unsigned long)psmouse); 23861d9f2626SSebastian Kapfer 23871e0c5b12SDmitry Torokhov psmouse->private = priv; 23881da177e4SLinus Torvalds 238925bded7cSSeth Forshee psmouse_reset(psmouse); 239025bded7cSSeth Forshee 2391b5d6b851SKevin Cernekee if (alps_identify(psmouse, priv) < 0) 239271bb21b6SMaxim Levitsky goto init_fail; 239371bb21b6SMaxim Levitsky 239424af5cb9SKevin Cernekee if (priv->hw_init(psmouse)) 23951da177e4SLinus Torvalds goto init_fail; 23961da177e4SLinus Torvalds 23977105d2eaSDmitry Torokhov /* 23987105d2eaSDmitry Torokhov * Undo part of setup done for us by psmouse core since touchpad 23997105d2eaSDmitry Torokhov * is not a relative device. 24007105d2eaSDmitry Torokhov */ 24017105d2eaSDmitry Torokhov __clear_bit(EV_REL, dev1->evbit); 24027105d2eaSDmitry Torokhov __clear_bit(REL_X, dev1->relbit); 24037105d2eaSDmitry Torokhov __clear_bit(REL_Y, dev1->relbit); 24047105d2eaSDmitry Torokhov 24057105d2eaSDmitry Torokhov /* 24067105d2eaSDmitry Torokhov * Now set up our capabilities. 24077105d2eaSDmitry Torokhov */ 24087b19ada2SJiri Slaby dev1->evbit[BIT_WORD(EV_KEY)] |= BIT_MASK(EV_KEY); 24097b19ada2SJiri Slaby dev1->keybit[BIT_WORD(BTN_TOUCH)] |= BIT_MASK(BTN_TOUCH); 24107b19ada2SJiri Slaby dev1->keybit[BIT_WORD(BTN_TOOL_FINGER)] |= BIT_MASK(BTN_TOOL_FINGER); 241171bb21b6SMaxim Levitsky dev1->keybit[BIT_WORD(BTN_LEFT)] |= 241271bb21b6SMaxim Levitsky BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_RIGHT); 24131da177e4SLinus Torvalds 24147b19ada2SJiri Slaby dev1->evbit[BIT_WORD(EV_ABS)] |= BIT_MASK(EV_ABS); 241525bded7cSSeth Forshee 241624af5cb9SKevin Cernekee priv->set_abs_params(priv, dev1); 24173808843cSYunkang Tang /* No pressure on V7 */ 24183808843cSYunkang Tang if (priv->proto_version != ALPS_PROTO_V7) 24192e5b636bSDmitry Torokhov input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0); 24201da177e4SLinus Torvalds 242199df65e7SKevin Cernekee if (priv->flags & ALPS_WHEEL) { 24227b19ada2SJiri Slaby dev1->evbit[BIT_WORD(EV_REL)] |= BIT_MASK(EV_REL); 24237b19ada2SJiri Slaby dev1->relbit[BIT_WORD(REL_WHEEL)] |= BIT_MASK(REL_WHEEL); 24241da177e4SLinus Torvalds } 24251da177e4SLinus Torvalds 242699df65e7SKevin Cernekee if (priv->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) { 24277b19ada2SJiri Slaby dev1->keybit[BIT_WORD(BTN_FORWARD)] |= BIT_MASK(BTN_FORWARD); 24287b19ada2SJiri Slaby dev1->keybit[BIT_WORD(BTN_BACK)] |= BIT_MASK(BTN_BACK); 24291da177e4SLinus Torvalds } 24301da177e4SLinus Torvalds 243199df65e7SKevin Cernekee if (priv->flags & ALPS_FOUR_BUTTONS) { 243271bb21b6SMaxim Levitsky dev1->keybit[BIT_WORD(BTN_0)] |= BIT_MASK(BTN_0); 243371bb21b6SMaxim Levitsky dev1->keybit[BIT_WORD(BTN_1)] |= BIT_MASK(BTN_1); 243471bb21b6SMaxim Levitsky dev1->keybit[BIT_WORD(BTN_2)] |= BIT_MASK(BTN_2); 243571bb21b6SMaxim Levitsky dev1->keybit[BIT_WORD(BTN_3)] |= BIT_MASK(BTN_3); 24363808843cSYunkang Tang } else if (priv->flags & ALPS_BUTTONPAD) { 24373808843cSYunkang Tang set_bit(INPUT_PROP_BUTTONPAD, dev1->propbit); 24383808843cSYunkang Tang clear_bit(BTN_RIGHT, dev1->keybit); 243971bb21b6SMaxim Levitsky } else { 244071bb21b6SMaxim Levitsky dev1->keybit[BIT_WORD(BTN_MIDDLE)] |= BIT_MASK(BTN_MIDDLE); 244171bb21b6SMaxim Levitsky } 244271bb21b6SMaxim Levitsky 2443dfba8600SPali Rohár if (priv->flags & ALPS_DUALPOINT) { 2444dfba8600SPali Rohár /* 2445dfba8600SPali Rohár * format of input device name is: "protocol vendor name" 2446dfba8600SPali Rohár * see function psmouse_switch_protocol() in psmouse-base.c 2447dfba8600SPali Rohár */ 2448dfba8600SPali Rohár dev2->name = "AlpsPS/2 ALPS DualPoint Stick"; 2449dfba8600SPali Rohár dev2->id.product = PSMOUSE_ALPS; 2450dfba8600SPali Rohár dev2->id.version = priv->proto_version; 2451dfba8600SPali Rohár } else { 2452dfba8600SPali Rohár dev2->name = "PS/2 ALPS Mouse"; 2453dfba8600SPali Rohár dev2->id.product = PSMOUSE_PS2; 2454dfba8600SPali Rohár dev2->id.version = 0x0000; 2455dfba8600SPali Rohár } 2456dfba8600SPali Rohár 245708ffce45SDmitry Torokhov snprintf(priv->phys, sizeof(priv->phys), "%s/input1", psmouse->ps2dev.serio->phys); 24582e5b636bSDmitry Torokhov dev2->phys = priv->phys; 24592e5b636bSDmitry Torokhov dev2->id.bustype = BUS_I8042; 24602e5b636bSDmitry Torokhov dev2->id.vendor = 0x0002; 24611db3a345SDmitry Torokhov dev2->dev.parent = &psmouse->ps2dev.serio->dev; 24621da177e4SLinus Torvalds 24637b19ada2SJiri Slaby dev2->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); 246471bb21b6SMaxim Levitsky dev2->relbit[BIT_WORD(REL_X)] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); 246571bb21b6SMaxim Levitsky dev2->keybit[BIT_WORD(BTN_LEFT)] = 246671bb21b6SMaxim Levitsky BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); 24671da177e4SLinus Torvalds 246801d4cd5cSHans de Goede __set_bit(INPUT_PROP_POINTER, dev2->propbit); 24697611392fSHans de Goede if (priv->flags & ALPS_DUALPOINT) 24707611392fSHans de Goede __set_bit(INPUT_PROP_POINTING_STICK, dev2->propbit); 24717611392fSHans de Goede 2472f42649e8SDmitry Torokhov if (input_register_device(priv->dev2)) 2473f42649e8SDmitry Torokhov goto init_fail; 24741da177e4SLinus Torvalds 24751da177e4SLinus Torvalds psmouse->protocol_handler = alps_process_byte; 2476f0d5c6f4SDmitry Torokhov psmouse->poll = alps_poll; 24771da177e4SLinus Torvalds psmouse->disconnect = alps_disconnect; 24781da177e4SLinus Torvalds psmouse->reconnect = alps_reconnect; 247999df65e7SKevin Cernekee psmouse->pktsize = priv->proto_version == ALPS_PROTO_V4 ? 8 : 6; 24801da177e4SLinus Torvalds 2481f0d5c6f4SDmitry Torokhov /* We are having trouble resyncing ALPS touchpads so disable it for now */ 2482f0d5c6f4SDmitry Torokhov psmouse->resync_time = 0; 2483f0d5c6f4SDmitry Torokhov 24841da177e4SLinus Torvalds return 0; 24851da177e4SLinus Torvalds 24861da177e4SLinus Torvalds init_fail: 2487f42649e8SDmitry Torokhov psmouse_reset(psmouse); 24882e5b636bSDmitry Torokhov input_free_device(dev2); 24891da177e4SLinus Torvalds kfree(priv); 24901e0c5b12SDmitry Torokhov psmouse->private = NULL; 24911da177e4SLinus Torvalds return -1; 24921da177e4SLinus Torvalds } 24931da177e4SLinus Torvalds 2494b7802c5cSDmitry Torokhov int alps_detect(struct psmouse *psmouse, bool set_properties) 24951da177e4SLinus Torvalds { 2496b5d6b851SKevin Cernekee struct alps_data dummy; 24971da177e4SLinus Torvalds 2498b5d6b851SKevin Cernekee if (alps_identify(psmouse, &dummy) < 0) 24991da177e4SLinus Torvalds return -1; 25001da177e4SLinus Torvalds 25011da177e4SLinus Torvalds if (set_properties) { 25021da177e4SLinus Torvalds psmouse->vendor = "ALPS"; 2503b5d6b851SKevin Cernekee psmouse->name = dummy.flags & ALPS_DUALPOINT ? 2504968ac842SDmitry Torokhov "DualPoint TouchPad" : "GlidePoint"; 2505b5d6b851SKevin Cernekee psmouse->model = dummy.proto_version << 8; 25061da177e4SLinus Torvalds } 25071da177e4SLinus Torvalds return 0; 25081da177e4SLinus Torvalds } 25091da177e4SLinus Torvalds 2510