Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * ALPS touchpad PS/2 mouse driver |
| 3 | * |
| 4 | * Copyright (c) 2003 Neil Brown <neilb@cse.unsw.edu.au> |
Peter Osterlund | 963f626 | 2005-07-11 01:08:04 -0500 | [diff] [blame] | 5 | * Copyright (c) 2003-2005 Peter Osterlund <petero2@telia.com> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | * Copyright (c) 2004 Dmitry Torokhov <dtor@mail.ru> |
| 7 | * Copyright (c) 2005 Vojtech Pavlik <vojtech@suse.cz> |
| 8 | * |
| 9 | * ALPS detection, tap switching and status querying info is taken from |
| 10 | * tpconfig utility (by C. Scott Ananian and Bruce Kall). |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or modify it |
| 13 | * under the terms of the GNU General Public License version 2 as published by |
| 14 | * the Free Software Foundation. |
| 15 | */ |
| 16 | |
| 17 | #include <linux/input.h> |
| 18 | #include <linux/serio.h> |
| 19 | #include <linux/libps2.h> |
| 20 | |
| 21 | #include "psmouse.h" |
| 22 | #include "alps.h" |
| 23 | |
| 24 | #undef DEBUG |
| 25 | #ifdef DEBUG |
| 26 | #define dbg(format, arg...) printk(KERN_INFO "alps.c: " format "\n", ## arg) |
| 27 | #else |
| 28 | #define dbg(format, arg...) do {} while (0) |
| 29 | #endif |
| 30 | |
| 31 | #define ALPS_DUALPOINT 0x01 |
| 32 | #define ALPS_WHEEL 0x02 |
Ivan Casado Ruiz | c30b4c1 | 2005-06-01 02:39:18 -0500 | [diff] [blame] | 33 | #define ALPS_FW_BK_1 0x04 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | #define ALPS_4BTN 0x08 |
| 35 | #define ALPS_OLDPROTO 0x10 |
| 36 | #define ALPS_PASS 0x20 |
Ivan Casado Ruiz | c30b4c1 | 2005-06-01 02:39:18 -0500 | [diff] [blame] | 37 | #define ALPS_FW_BK_2 0x40 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | |
Helge Deller | e38de67 | 2006-09-10 21:54:39 -0400 | [diff] [blame] | 39 | static const struct alps_model_info alps_model_data[] = { |
Dmitry Torokhov | b75d172 | 2009-04-23 19:25:51 -0700 | [diff] [blame] | 40 | { { 0x32, 0x02, 0x14 }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* Toshiba Salellite Pro M10 */ |
Dmitry Torokhov | af27a69 | 2009-05-08 18:30:33 -0700 | [diff] [blame] | 41 | { { 0x33, 0x02, 0x0a }, 0x88, 0xf8, ALPS_OLDPROTO }, /* UMAX-530T */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | { { 0x53, 0x02, 0x0a }, 0xf8, 0xf8, 0 }, |
| 43 | { { 0x53, 0x02, 0x14 }, 0xf8, 0xf8, 0 }, |
Dmitry Torokhov | af27a69 | 2009-05-08 18:30:33 -0700 | [diff] [blame] | 44 | { { 0x60, 0x03, 0xc8 }, 0xf8, 0xf8, 0 }, /* HP ze1115 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | { { 0x63, 0x02, 0x0a }, 0xf8, 0xf8, 0 }, |
| 46 | { { 0x63, 0x02, 0x14 }, 0xf8, 0xf8, 0 }, |
Dmitry Torokhov | af27a69 | 2009-05-08 18:30:33 -0700 | [diff] [blame] | 47 | { { 0x63, 0x02, 0x28 }, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Fujitsu Siemens S6010 */ |
| 48 | { { 0x63, 0x02, 0x3c }, 0x8f, 0x8f, ALPS_WHEEL }, /* Toshiba Satellite S2400-103 */ |
| 49 | { { 0x63, 0x02, 0x50 }, 0xef, 0xef, ALPS_FW_BK_1 }, /* NEC Versa L320 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | { { 0x63, 0x02, 0x64 }, 0xf8, 0xf8, 0 }, |
Dmitry Torokhov | af27a69 | 2009-05-08 18:30:33 -0700 | [diff] [blame] | 51 | { { 0x63, 0x03, 0xc8 }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D800 */ |
| 52 | { { 0x73, 0x00, 0x0a }, 0xf8, 0xf8, ALPS_DUALPOINT }, /* ThinkPad R61 8918-5QG */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | { { 0x73, 0x02, 0x0a }, 0xf8, 0xf8, 0 }, |
Dmitry Torokhov | af27a69 | 2009-05-08 18:30:33 -0700 | [diff] [blame] | 54 | { { 0x73, 0x02, 0x14 }, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Ahtec Laptop */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | { { 0x20, 0x02, 0x0e }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* XXX */ |
| 56 | { { 0x22, 0x02, 0x0a }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, |
| 57 | { { 0x22, 0x02, 0x14 }, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D600 */ |
Elvis Pranskevichus | 0d46ed1 | 2008-09-10 10:19:13 -0400 | [diff] [blame] | 58 | { { 0x62, 0x02, 0x14 }, 0xcf, 0xcf, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude E6500 */ |
Dmitry Torokhov | af27a69 | 2009-05-08 18:30:33 -0700 | [diff] [blame] | 59 | { { 0x73, 0x02, 0x50 }, 0xcf, 0xcf, ALPS_FW_BK_1 }, /* Dell Vostro 1400 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | }; |
| 61 | |
| 62 | /* |
| 63 | * XXX - this entry is suspicious. First byte has zero lower nibble, |
| 64 | * which is what a normal mouse would report. Also, the value 0x0e |
| 65 | * isn't valid per PS/2 spec. |
| 66 | */ |
| 67 | |
| 68 | /* |
| 69 | * ALPS abolute Mode - new format |
Dmitry Torokhov | 968ac84 | 2005-05-29 02:28:29 -0500 | [diff] [blame] | 70 | * |
| 71 | * byte 0: 1 ? ? ? 1 ? ? ? |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | * byte 1: 0 x6 x5 x4 x3 x2 x1 x0 |
| 73 | * byte 2: 0 x10 x9 x8 x7 ? fin ges |
Dmitry Torokhov | 968ac84 | 2005-05-29 02:28:29 -0500 | [diff] [blame] | 74 | * byte 3: 0 y9 y8 y7 1 M R L |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | * byte 4: 0 y6 y5 y4 y3 y2 y1 y0 |
| 76 | * byte 5: 0 z6 z5 z4 z3 z2 z1 z0 |
| 77 | * |
| 78 | * ?'s can have different meanings on different models, |
| 79 | * such as wheel rotation, extra buttons, stick buttons |
| 80 | * on a dualpoint, etc. |
| 81 | */ |
| 82 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 83 | static void alps_process_packet(struct psmouse *psmouse) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 84 | { |
| 85 | struct alps_data *priv = psmouse->private; |
| 86 | unsigned char *packet = psmouse->packet; |
Dmitry Torokhov | 2e5b636 | 2005-09-15 02:01:44 -0500 | [diff] [blame] | 87 | struct input_dev *dev = psmouse->dev; |
| 88 | struct input_dev *dev2 = priv->dev2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | int x, y, z, ges, fin, left, right, middle; |
Ivan Casado Ruiz | c30b4c1 | 2005-06-01 02:39:18 -0500 | [diff] [blame] | 90 | int back = 0, forward = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 91 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | if ((packet[0] & 0xc8) == 0x08) { /* 3-byte PS/2 packet */ |
Dmitry Torokhov | 968ac84 | 2005-05-29 02:28:29 -0500 | [diff] [blame] | 93 | input_report_key(dev2, BTN_LEFT, packet[0] & 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | input_report_key(dev2, BTN_RIGHT, packet[0] & 2); |
| 95 | input_report_key(dev2, BTN_MIDDLE, packet[0] & 4); |
| 96 | input_report_rel(dev2, REL_X, |
| 97 | packet[1] ? packet[1] - ((packet[0] << 4) & 0x100) : 0); |
| 98 | input_report_rel(dev2, REL_Y, |
| 99 | packet[2] ? ((packet[0] << 3) & 0x100) - packet[2] : 0); |
| 100 | input_sync(dev2); |
| 101 | return; |
| 102 | } |
| 103 | |
| 104 | if (priv->i->flags & ALPS_OLDPROTO) { |
Yotam Medini | d2f4012 | 2006-05-29 23:30:36 -0400 | [diff] [blame] | 105 | left = packet[2] & 0x10; |
| 106 | right = packet[2] & 0x08; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 107 | middle = 0; |
| 108 | x = packet[1] | ((packet[0] & 0x07) << 7); |
| 109 | y = packet[4] | ((packet[3] & 0x07) << 7); |
| 110 | z = packet[5]; |
| 111 | } else { |
| 112 | left = packet[3] & 1; |
| 113 | right = packet[3] & 2; |
| 114 | middle = packet[3] & 4; |
| 115 | x = packet[1] | ((packet[2] & 0x78) << (7 - 3)); |
| 116 | y = packet[4] | ((packet[3] & 0x70) << (7 - 4)); |
| 117 | z = packet[5]; |
| 118 | } |
| 119 | |
Ivan Casado Ruiz | c30b4c1 | 2005-06-01 02:39:18 -0500 | [diff] [blame] | 120 | if (priv->i->flags & ALPS_FW_BK_1) { |
Laszlo Kajan | 3c00bb9 | 2008-03-18 00:39:55 -0400 | [diff] [blame] | 121 | back = packet[0] & 0x10; |
| 122 | forward = packet[2] & 4; |
Ivan Casado Ruiz | c30b4c1 | 2005-06-01 02:39:18 -0500 | [diff] [blame] | 123 | } |
| 124 | |
| 125 | if (priv->i->flags & ALPS_FW_BK_2) { |
| 126 | back = packet[3] & 4; |
| 127 | forward = packet[2] & 4; |
| 128 | if ((middle = forward && back)) |
| 129 | forward = back = 0; |
| 130 | } |
| 131 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | ges = packet[2] & 1; |
| 133 | fin = packet[2] & 2; |
| 134 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 135 | if ((priv->i->flags & ALPS_DUALPOINT) && z == 127) { |
| 136 | input_report_rel(dev2, REL_X, (x > 383 ? (x - 768) : x)); |
| 137 | input_report_rel(dev2, REL_Y, -(y > 255 ? (y - 512) : y)); |
Ulrich Dangel | d7ed5d8 | 2009-06-11 00:15:09 -0700 | [diff] [blame] | 138 | |
| 139 | input_report_key(dev2, BTN_LEFT, left); |
| 140 | input_report_key(dev2, BTN_RIGHT, right); |
| 141 | input_report_key(dev2, BTN_MIDDLE, middle); |
| 142 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | input_sync(dev); |
| 144 | input_sync(dev2); |
| 145 | return; |
| 146 | } |
| 147 | |
Ulrich Dangel | d7ed5d8 | 2009-06-11 00:15:09 -0700 | [diff] [blame] | 148 | input_report_key(dev, BTN_LEFT, left); |
| 149 | input_report_key(dev, BTN_RIGHT, right); |
| 150 | input_report_key(dev, BTN_MIDDLE, middle); |
| 151 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 152 | /* Convert hardware tap to a reasonable Z value */ |
| 153 | if (ges && !fin) z = 40; |
| 154 | |
| 155 | /* |
| 156 | * A "tap and drag" operation is reported by the hardware as a transition |
| 157 | * from (!fin && ges) to (fin && ges). This should be translated to the |
| 158 | * sequence Z>0, Z==0, Z>0, so the Z==0 event has to be generated manually. |
| 159 | */ |
| 160 | if (ges && fin && !priv->prev_fin) { |
| 161 | input_report_abs(dev, ABS_X, x); |
| 162 | input_report_abs(dev, ABS_Y, y); |
| 163 | input_report_abs(dev, ABS_PRESSURE, 0); |
| 164 | input_report_key(dev, BTN_TOOL_FINGER, 0); |
| 165 | input_sync(dev); |
| 166 | } |
| 167 | priv->prev_fin = fin; |
| 168 | |
| 169 | if (z > 30) input_report_key(dev, BTN_TOUCH, 1); |
| 170 | if (z < 25) input_report_key(dev, BTN_TOUCH, 0); |
| 171 | |
| 172 | if (z > 0) { |
| 173 | input_report_abs(dev, ABS_X, x); |
| 174 | input_report_abs(dev, ABS_Y, y); |
| 175 | } |
| 176 | |
| 177 | input_report_abs(dev, ABS_PRESSURE, z); |
| 178 | input_report_key(dev, BTN_TOOL_FINGER, z > 0); |
| 179 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 180 | if (priv->i->flags & ALPS_WHEEL) |
Vojtech Pavlik | e6c047b | 2005-09-04 01:40:43 -0500 | [diff] [blame] | 181 | input_report_rel(dev, REL_WHEEL, ((packet[2] << 1) & 0x08) - ((packet[0] >> 4) & 0x07)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 182 | |
Ivan Casado Ruiz | c30b4c1 | 2005-06-01 02:39:18 -0500 | [diff] [blame] | 183 | if (priv->i->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) { |
| 184 | input_report_key(dev, BTN_FORWARD, forward); |
| 185 | input_report_key(dev, BTN_BACK, back); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 186 | } |
| 187 | |
| 188 | input_sync(dev); |
| 189 | } |
| 190 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 191 | static psmouse_ret_t alps_process_byte(struct psmouse *psmouse) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 192 | { |
| 193 | struct alps_data *priv = psmouse->private; |
| 194 | |
| 195 | if ((psmouse->packet[0] & 0xc8) == 0x08) { /* PS/2 packet */ |
| 196 | if (psmouse->pktcnt == 3) { |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 197 | alps_process_packet(psmouse); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 198 | return PSMOUSE_FULL_PACKET; |
| 199 | } |
| 200 | return PSMOUSE_GOOD_DATA; |
| 201 | } |
| 202 | |
| 203 | if ((psmouse->packet[0] & priv->i->mask0) != priv->i->byte0) |
| 204 | return PSMOUSE_BAD_DATA; |
| 205 | |
| 206 | /* Bytes 2 - 6 should have 0 in the highest bit */ |
| 207 | if (psmouse->pktcnt >= 2 && psmouse->pktcnt <= 6 && |
| 208 | (psmouse->packet[psmouse->pktcnt - 1] & 0x80)) |
| 209 | return PSMOUSE_BAD_DATA; |
| 210 | |
| 211 | if (psmouse->pktcnt == 6) { |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 212 | alps_process_packet(psmouse); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 213 | return PSMOUSE_FULL_PACKET; |
| 214 | } |
| 215 | |
| 216 | return PSMOUSE_GOOD_DATA; |
| 217 | } |
| 218 | |
Helge Deller | e38de67 | 2006-09-10 21:54:39 -0400 | [diff] [blame] | 219 | static const struct alps_model_info *alps_get_model(struct psmouse *psmouse, int *version) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | { |
| 221 | struct ps2dev *ps2dev = &psmouse->ps2dev; |
Helge Deller | e38de67 | 2006-09-10 21:54:39 -0400 | [diff] [blame] | 222 | static const unsigned char rates[] = { 0, 10, 20, 40, 60, 80, 100, 200 }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 223 | unsigned char param[4]; |
| 224 | int i; |
| 225 | |
| 226 | /* |
| 227 | * First try "E6 report". |
| 228 | * ALPS should return 0,0,10 or 0,0,100 |
| 229 | */ |
| 230 | param[0] = 0; |
| 231 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES) || |
| 232 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || |
| 233 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || |
| 234 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11)) |
| 235 | return NULL; |
| 236 | |
| 237 | param[0] = param[1] = param[2] = 0xff; |
| 238 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) |
| 239 | return NULL; |
| 240 | |
| 241 | dbg("E6 report: %2.2x %2.2x %2.2x", param[0], param[1], param[2]); |
| 242 | |
| 243 | if (param[0] != 0 || param[1] != 0 || (param[2] != 10 && param[2] != 100)) |
| 244 | return NULL; |
| 245 | |
| 246 | /* |
| 247 | * Now try "E7 report". Allowed responses are in |
| 248 | * alps_model_data[].signature |
| 249 | */ |
| 250 | param[0] = 0; |
| 251 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES) || |
| 252 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) || |
| 253 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) || |
| 254 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21)) |
| 255 | return NULL; |
| 256 | |
| 257 | param[0] = param[1] = param[2] = 0xff; |
| 258 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) |
| 259 | return NULL; |
| 260 | |
| 261 | dbg("E7 report: %2.2x %2.2x %2.2x", param[0], param[1], param[2]); |
| 262 | |
Dmitry Torokhov | 1e0c5b1 | 2007-05-14 23:51:54 -0400 | [diff] [blame] | 263 | if (version) { |
| 264 | for (i = 0; i < ARRAY_SIZE(rates) && param[2] != rates[i]; i++) |
| 265 | /* empty */; |
| 266 | *version = (param[0] << 8) | (param[1] << 4) | i; |
| 267 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 268 | |
| 269 | for (i = 0; i < ARRAY_SIZE(alps_model_data); i++) |
Dmitry Torokhov | 1e0c5b1 | 2007-05-14 23:51:54 -0400 | [diff] [blame] | 270 | if (!memcmp(param, alps_model_data[i].signature, |
| 271 | sizeof(alps_model_data[i].signature))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 272 | return alps_model_data + i; |
| 273 | |
| 274 | return NULL; |
| 275 | } |
| 276 | |
| 277 | /* |
| 278 | * For DualPoint devices select the device that should respond to |
| 279 | * subsequent commands. It looks like glidepad is behind stickpointer, |
| 280 | * I'd thought it would be other way around... |
| 281 | */ |
Dmitry Torokhov | b7802c5 | 2009-09-09 19:13:20 -0700 | [diff] [blame] | 282 | static int alps_passthrough_mode(struct psmouse *psmouse, bool enable) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 283 | { |
| 284 | struct ps2dev *ps2dev = &psmouse->ps2dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 285 | int cmd = enable ? PSMOUSE_CMD_SETSCALE21 : PSMOUSE_CMD_SETSCALE11; |
| 286 | |
| 287 | if (ps2_command(ps2dev, NULL, cmd) || |
| 288 | ps2_command(ps2dev, NULL, cmd) || |
| 289 | ps2_command(ps2dev, NULL, cmd) || |
| 290 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE)) |
| 291 | return -1; |
| 292 | |
| 293 | /* we may get 3 more bytes, just ignore them */ |
Dmitry Torokhov | c611763 | 2005-06-01 02:39:51 -0500 | [diff] [blame] | 294 | ps2_drain(ps2dev, 3, 100); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 295 | |
| 296 | return 0; |
| 297 | } |
| 298 | |
| 299 | static int alps_absolute_mode(struct psmouse *psmouse) |
| 300 | { |
| 301 | struct ps2dev *ps2dev = &psmouse->ps2dev; |
| 302 | |
| 303 | /* Try ALPS magic knock - 4 disable before enable */ |
| 304 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || |
| 305 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || |
| 306 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || |
| 307 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || |
| 308 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) |
| 309 | return -1; |
| 310 | |
| 311 | /* |
| 312 | * Switch mouse to poll (remote) mode so motion data will not |
| 313 | * get in our way |
| 314 | */ |
| 315 | return ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETPOLL); |
| 316 | } |
| 317 | |
| 318 | static int alps_get_status(struct psmouse *psmouse, char *param) |
| 319 | { |
| 320 | struct ps2dev *ps2dev = &psmouse->ps2dev; |
| 321 | |
| 322 | /* Get status: 0xF5 0xF5 0xF5 0xE9 */ |
| 323 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || |
| 324 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || |
| 325 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || |
| 326 | ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) |
| 327 | return -1; |
| 328 | |
| 329 | dbg("Status: %2.2x %2.2x %2.2x", param[0], param[1], param[2]); |
| 330 | |
| 331 | return 0; |
| 332 | } |
| 333 | |
| 334 | /* |
| 335 | * Turn touchpad tapping on or off. The sequences are: |
| 336 | * 0xE9 0xF5 0xF5 0xF3 0x0A to enable, |
| 337 | * 0xE9 0xF5 0xF5 0xE8 0x00 to disable. |
| 338 | * My guess that 0xE9 (GetInfo) is here as a sync point. |
| 339 | * For models that also have stickpointer (DualPoints) its tapping |
| 340 | * is controlled separately (0xE6 0xE6 0xE6 0xF3 0x14|0x0A) but |
| 341 | * we don't fiddle with it. |
| 342 | */ |
| 343 | static int alps_tap_mode(struct psmouse *psmouse, int enable) |
| 344 | { |
| 345 | struct ps2dev *ps2dev = &psmouse->ps2dev; |
| 346 | int cmd = enable ? PSMOUSE_CMD_SETRATE : PSMOUSE_CMD_SETRES; |
| 347 | unsigned char tap_arg = enable ? 0x0A : 0x00; |
| 348 | unsigned char param[4]; |
| 349 | |
| 350 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO) || |
| 351 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || |
| 352 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || |
| 353 | ps2_command(ps2dev, &tap_arg, cmd)) |
| 354 | return -1; |
| 355 | |
| 356 | if (alps_get_status(psmouse, param)) |
| 357 | return -1; |
| 358 | |
| 359 | return 0; |
| 360 | } |
| 361 | |
Dmitry Torokhov | f0d5c6f | 2006-01-14 00:27:37 -0500 | [diff] [blame] | 362 | /* |
| 363 | * alps_poll() - poll the touchpad for current motion packet. |
| 364 | * Used in resync. |
| 365 | */ |
| 366 | static int alps_poll(struct psmouse *psmouse) |
| 367 | { |
| 368 | struct alps_data *priv = psmouse->private; |
| 369 | unsigned char buf[6]; |
Dmitry Torokhov | b7802c5 | 2009-09-09 19:13:20 -0700 | [diff] [blame] | 370 | bool poll_failed; |
Dmitry Torokhov | f0d5c6f | 2006-01-14 00:27:37 -0500 | [diff] [blame] | 371 | |
| 372 | if (priv->i->flags & ALPS_PASS) |
Dmitry Torokhov | b7802c5 | 2009-09-09 19:13:20 -0700 | [diff] [blame] | 373 | alps_passthrough_mode(psmouse, true); |
Dmitry Torokhov | f0d5c6f | 2006-01-14 00:27:37 -0500 | [diff] [blame] | 374 | |
| 375 | poll_failed = ps2_command(&psmouse->ps2dev, buf, |
| 376 | PSMOUSE_CMD_POLL | (psmouse->pktsize << 8)) < 0; |
| 377 | |
| 378 | if (priv->i->flags & ALPS_PASS) |
Dmitry Torokhov | b7802c5 | 2009-09-09 19:13:20 -0700 | [diff] [blame] | 379 | alps_passthrough_mode(psmouse, false); |
Dmitry Torokhov | f0d5c6f | 2006-01-14 00:27:37 -0500 | [diff] [blame] | 380 | |
| 381 | if (poll_failed || (buf[0] & priv->i->mask0) != priv->i->byte0) |
| 382 | return -1; |
| 383 | |
| 384 | if ((psmouse->badbyte & 0xc8) == 0x08) { |
| 385 | /* |
| 386 | * Poll the track stick ... |
| 387 | */ |
| 388 | if (ps2_command(&psmouse->ps2dev, buf, PSMOUSE_CMD_POLL | (3 << 8))) |
| 389 | return -1; |
| 390 | } |
| 391 | |
| 392 | memcpy(psmouse->packet, buf, sizeof(buf)); |
| 393 | return 0; |
| 394 | } |
| 395 | |
Dmitry Torokhov | 1e0c5b1 | 2007-05-14 23:51:54 -0400 | [diff] [blame] | 396 | static int alps_hw_init(struct psmouse *psmouse, int *version) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 397 | { |
| 398 | struct alps_data *priv = psmouse->private; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 399 | |
Dmitry Torokhov | 1e0c5b1 | 2007-05-14 23:51:54 -0400 | [diff] [blame] | 400 | priv->i = alps_get_model(psmouse, version); |
| 401 | if (!priv->i) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 402 | return -1; |
| 403 | |
Dmitry Torokhov | b7802c5 | 2009-09-09 19:13:20 -0700 | [diff] [blame] | 404 | if ((priv->i->flags & ALPS_PASS) && |
| 405 | alps_passthrough_mode(psmouse, true)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 406 | return -1; |
Dmitry Torokhov | b7802c5 | 2009-09-09 19:13:20 -0700 | [diff] [blame] | 407 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 408 | |
Dmitry Torokhov | b7802c5 | 2009-09-09 19:13:20 -0700 | [diff] [blame] | 409 | if (alps_tap_mode(psmouse, true)) { |
Dmitry Torokhov | 1e0c5b1 | 2007-05-14 23:51:54 -0400 | [diff] [blame] | 410 | printk(KERN_WARNING "alps.c: Failed to enable hardware tapping\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 411 | return -1; |
Peter Osterlund | 963f626 | 2005-07-11 01:08:04 -0500 | [diff] [blame] | 412 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 413 | |
| 414 | if (alps_absolute_mode(psmouse)) { |
Dmitry Torokhov | 1e0c5b1 | 2007-05-14 23:51:54 -0400 | [diff] [blame] | 415 | printk(KERN_ERR "alps.c: Failed to enable absolute mode\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 416 | return -1; |
| 417 | } |
| 418 | |
Dmitry Torokhov | b7802c5 | 2009-09-09 19:13:20 -0700 | [diff] [blame] | 419 | if ((priv->i->flags & ALPS_PASS) && |
| 420 | alps_passthrough_mode(psmouse, false)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 421 | return -1; |
Dmitry Torokhov | b7802c5 | 2009-09-09 19:13:20 -0700 | [diff] [blame] | 422 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 423 | |
Dmitry Torokhov | 1e0c5b1 | 2007-05-14 23:51:54 -0400 | [diff] [blame] | 424 | /* ALPS needs stream mode, otherwise it won't report any data */ |
| 425 | if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSTREAM)) { |
| 426 | printk(KERN_ERR "alps.c: Failed to enable stream mode\n"); |
| 427 | return -1; |
| 428 | } |
| 429 | |
| 430 | return 0; |
| 431 | } |
| 432 | |
| 433 | static int alps_reconnect(struct psmouse *psmouse) |
| 434 | { |
| 435 | psmouse_reset(psmouse); |
| 436 | |
| 437 | if (alps_hw_init(psmouse, NULL)) |
| 438 | return -1; |
| 439 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 440 | return 0; |
| 441 | } |
| 442 | |
| 443 | static void alps_disconnect(struct psmouse *psmouse) |
| 444 | { |
| 445 | struct alps_data *priv = psmouse->private; |
Dmitry Torokhov | 2e5b636 | 2005-09-15 02:01:44 -0500 | [diff] [blame] | 446 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 447 | psmouse_reset(psmouse); |
Dmitry Torokhov | 2e5b636 | 2005-09-15 02:01:44 -0500 | [diff] [blame] | 448 | input_unregister_device(priv->dev2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 449 | kfree(priv); |
| 450 | } |
| 451 | |
| 452 | int alps_init(struct psmouse *psmouse) |
| 453 | { |
| 454 | struct alps_data *priv; |
Dmitry Torokhov | 2e5b636 | 2005-09-15 02:01:44 -0500 | [diff] [blame] | 455 | struct input_dev *dev1 = psmouse->dev, *dev2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 456 | int version; |
| 457 | |
Dmitry Torokhov | f42649e | 2007-04-12 01:31:13 -0400 | [diff] [blame] | 458 | priv = kzalloc(sizeof(struct alps_data), GFP_KERNEL); |
Dmitry Torokhov | 2e5b636 | 2005-09-15 02:01:44 -0500 | [diff] [blame] | 459 | dev2 = input_allocate_device(); |
| 460 | if (!priv || !dev2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 461 | goto init_fail; |
Dmitry Torokhov | 2e5b636 | 2005-09-15 02:01:44 -0500 | [diff] [blame] | 462 | |
| 463 | priv->dev2 = dev2; |
Dmitry Torokhov | 1e0c5b1 | 2007-05-14 23:51:54 -0400 | [diff] [blame] | 464 | psmouse->private = priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 465 | |
Dmitry Torokhov | 1e0c5b1 | 2007-05-14 23:51:54 -0400 | [diff] [blame] | 466 | if (alps_hw_init(psmouse, &version)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 467 | goto init_fail; |
| 468 | |
Jiri Slaby | 7b19ada | 2007-10-18 23:40:32 -0700 | [diff] [blame] | 469 | dev1->evbit[BIT_WORD(EV_KEY)] |= BIT_MASK(EV_KEY); |
| 470 | dev1->keybit[BIT_WORD(BTN_TOUCH)] |= BIT_MASK(BTN_TOUCH); |
| 471 | dev1->keybit[BIT_WORD(BTN_TOOL_FINGER)] |= BIT_MASK(BTN_TOOL_FINGER); |
| 472 | dev1->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_LEFT) | |
| 473 | BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 474 | |
Jiri Slaby | 7b19ada | 2007-10-18 23:40:32 -0700 | [diff] [blame] | 475 | dev1->evbit[BIT_WORD(EV_ABS)] |= BIT_MASK(EV_ABS); |
Dmitry Torokhov | 2e5b636 | 2005-09-15 02:01:44 -0500 | [diff] [blame] | 476 | input_set_abs_params(dev1, ABS_X, 0, 1023, 0, 0); |
| 477 | input_set_abs_params(dev1, ABS_Y, 0, 767, 0, 0); |
| 478 | input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 479 | |
| 480 | if (priv->i->flags & ALPS_WHEEL) { |
Jiri Slaby | 7b19ada | 2007-10-18 23:40:32 -0700 | [diff] [blame] | 481 | dev1->evbit[BIT_WORD(EV_REL)] |= BIT_MASK(EV_REL); |
| 482 | dev1->relbit[BIT_WORD(REL_WHEEL)] |= BIT_MASK(REL_WHEEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 483 | } |
| 484 | |
Ivan Casado Ruiz | c30b4c1 | 2005-06-01 02:39:18 -0500 | [diff] [blame] | 485 | if (priv->i->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) { |
Jiri Slaby | 7b19ada | 2007-10-18 23:40:32 -0700 | [diff] [blame] | 486 | dev1->keybit[BIT_WORD(BTN_FORWARD)] |= BIT_MASK(BTN_FORWARD); |
| 487 | dev1->keybit[BIT_WORD(BTN_BACK)] |= BIT_MASK(BTN_BACK); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 488 | } |
| 489 | |
Dmitry Torokhov | 08ffce4 | 2006-06-26 01:45:10 -0400 | [diff] [blame] | 490 | snprintf(priv->phys, sizeof(priv->phys), "%s/input1", psmouse->ps2dev.serio->phys); |
Dmitry Torokhov | 2e5b636 | 2005-09-15 02:01:44 -0500 | [diff] [blame] | 491 | dev2->phys = priv->phys; |
| 492 | dev2->name = (priv->i->flags & ALPS_DUALPOINT) ? "DualPoint Stick" : "PS/2 Mouse"; |
| 493 | dev2->id.bustype = BUS_I8042; |
| 494 | dev2->id.vendor = 0x0002; |
| 495 | dev2->id.product = PSMOUSE_ALPS; |
| 496 | dev2->id.version = 0x0000; |
Dmitry Torokhov | 1db3a34 | 2008-03-18 00:29:18 -0400 | [diff] [blame] | 497 | dev2->dev.parent = &psmouse->ps2dev.serio->dev; |
Dmitry Torokhov | 968ac84 | 2005-05-29 02:28:29 -0500 | [diff] [blame] | 498 | |
Jiri Slaby | 7b19ada | 2007-10-18 23:40:32 -0700 | [diff] [blame] | 499 | dev2->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); |
| 500 | dev2->relbit[BIT_WORD(REL_X)] |= BIT_MASK(REL_X) | BIT_MASK(REL_Y); |
| 501 | dev2->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_LEFT) | |
| 502 | BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 503 | |
Dmitry Torokhov | f42649e | 2007-04-12 01:31:13 -0400 | [diff] [blame] | 504 | if (input_register_device(priv->dev2)) |
| 505 | goto init_fail; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 506 | |
| 507 | psmouse->protocol_handler = alps_process_byte; |
Dmitry Torokhov | f0d5c6f | 2006-01-14 00:27:37 -0500 | [diff] [blame] | 508 | psmouse->poll = alps_poll; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 509 | psmouse->disconnect = alps_disconnect; |
| 510 | psmouse->reconnect = alps_reconnect; |
| 511 | psmouse->pktsize = 6; |
| 512 | |
Dmitry Torokhov | f0d5c6f | 2006-01-14 00:27:37 -0500 | [diff] [blame] | 513 | /* We are having trouble resyncing ALPS touchpads so disable it for now */ |
| 514 | psmouse->resync_time = 0; |
| 515 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 516 | return 0; |
| 517 | |
| 518 | init_fail: |
Dmitry Torokhov | f42649e | 2007-04-12 01:31:13 -0400 | [diff] [blame] | 519 | psmouse_reset(psmouse); |
Dmitry Torokhov | 2e5b636 | 2005-09-15 02:01:44 -0500 | [diff] [blame] | 520 | input_free_device(dev2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 521 | kfree(priv); |
Dmitry Torokhov | 1e0c5b1 | 2007-05-14 23:51:54 -0400 | [diff] [blame] | 522 | psmouse->private = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 523 | return -1; |
| 524 | } |
| 525 | |
Dmitry Torokhov | b7802c5 | 2009-09-09 19:13:20 -0700 | [diff] [blame] | 526 | int alps_detect(struct psmouse *psmouse, bool set_properties) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 527 | { |
| 528 | int version; |
Helge Deller | e38de67 | 2006-09-10 21:54:39 -0400 | [diff] [blame] | 529 | const struct alps_model_info *model; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 530 | |
Dmitry Torokhov | f42649e | 2007-04-12 01:31:13 -0400 | [diff] [blame] | 531 | model = alps_get_model(psmouse, &version); |
| 532 | if (!model) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 533 | return -1; |
| 534 | |
| 535 | if (set_properties) { |
| 536 | psmouse->vendor = "ALPS"; |
Dmitry Torokhov | 968ac84 | 2005-05-29 02:28:29 -0500 | [diff] [blame] | 537 | psmouse->name = model->flags & ALPS_DUALPOINT ? |
| 538 | "DualPoint TouchPad" : "GlidePoint"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 539 | psmouse->model = version; |
| 540 | } |
| 541 | return 0; |
| 542 | } |
| 543 | |