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[] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | { { 0x33, 0x02, 0x0a }, 0x88, 0xf8, ALPS_OLDPROTO }, /* UMAX-530T */ |
| 41 | { { 0x53, 0x02, 0x0a }, 0xf8, 0xf8, 0 }, |
| 42 | { { 0x53, 0x02, 0x14 }, 0xf8, 0xf8, 0 }, |
Larry Finger | f5e9c9c | 2005-12-21 00:51:13 -0500 | [diff] [blame] | 43 | { { 0x60, 0x03, 0xc8 }, 0xf8, 0xf8, 0 }, /* HP ze1115 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | { { 0x63, 0x02, 0x0a }, 0xf8, 0xf8, 0 }, |
| 45 | { { 0x63, 0x02, 0x14 }, 0xf8, 0xf8, 0 }, |
Vojtech Pavlik | ea54c96 | 2005-12-14 21:47:00 -0500 | [diff] [blame] | 46 | { { 0x63, 0x02, 0x28 }, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Fujitsu Siemens S6010 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | { { 0x63, 0x02, 0x3c }, 0x8f, 0x8f, ALPS_WHEEL }, /* Toshiba Satellite S2400-103 */ |
Ivan Casado Ruiz | c30b4c1 | 2005-06-01 02:39:18 -0500 | [diff] [blame] | 48 | { { 0x63, 0x02, 0x50 }, 0xef, 0xef, ALPS_FW_BK_1 }, /* NEC Versa L320 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | { { 0x63, 0x02, 0x64 }, 0xf8, 0xf8, 0 }, |
| 50 | { { 0x63, 0x03, 0xc8 }, 0xf8, 0xf8, ALPS_PASS }, /* Dell Latitude D800 */ |
Dmitry Torokhov | f493018 | 2007-10-11 00:49:19 -0400 | [diff] [blame] | 51 | { { 0x73, 0x00, 0x0a }, 0xf8, 0xf8, ALPS_DUALPOINT }, /* ThinkPad R61 8918-5QG */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | { { 0x73, 0x02, 0x0a }, 0xf8, 0xf8, 0 }, |
Ivan Casado Ruiz | c30b4c1 | 2005-06-01 02:39:18 -0500 | [diff] [blame] | 53 | { { 0x73, 0x02, 0x14 }, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Ahtec Laptop */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | { { 0x20, 0x02, 0x0e }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* XXX */ |
| 55 | { { 0x22, 0x02, 0x0a }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, |
| 56 | { { 0x22, 0x02, 0x14 }, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D600 */ |
William Pettersson | dac4ae0 | 2007-09-05 00:18:44 -0400 | [diff] [blame] | 57 | { { 0x73, 0x02, 0x50 }, 0xcf, 0xff, ALPS_FW_BK_1 } /* Dell Vostro 1400 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | }; |
| 59 | |
| 60 | /* |
| 61 | * XXX - this entry is suspicious. First byte has zero lower nibble, |
| 62 | * which is what a normal mouse would report. Also, the value 0x0e |
| 63 | * isn't valid per PS/2 spec. |
| 64 | */ |
| 65 | |
| 66 | /* |
| 67 | * ALPS abolute Mode - new format |
Dmitry Torokhov | 968ac84 | 2005-05-29 02:28:29 -0500 | [diff] [blame] | 68 | * |
| 69 | * byte 0: 1 ? ? ? 1 ? ? ? |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | * byte 1: 0 x6 x5 x4 x3 x2 x1 x0 |
| 71 | * byte 2: 0 x10 x9 x8 x7 ? fin ges |
Dmitry Torokhov | 968ac84 | 2005-05-29 02:28:29 -0500 | [diff] [blame] | 72 | * byte 3: 0 y9 y8 y7 1 M R L |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | * byte 4: 0 y6 y5 y4 y3 y2 y1 y0 |
| 74 | * byte 5: 0 z6 z5 z4 z3 z2 z1 z0 |
| 75 | * |
| 76 | * ?'s can have different meanings on different models, |
| 77 | * such as wheel rotation, extra buttons, stick buttons |
| 78 | * on a dualpoint, etc. |
| 79 | */ |
| 80 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 81 | static void alps_process_packet(struct psmouse *psmouse) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | { |
| 83 | struct alps_data *priv = psmouse->private; |
| 84 | unsigned char *packet = psmouse->packet; |
Dmitry Torokhov | 2e5b636 | 2005-09-15 02:01:44 -0500 | [diff] [blame] | 85 | struct input_dev *dev = psmouse->dev; |
| 86 | struct input_dev *dev2 = priv->dev2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | int x, y, z, ges, fin, left, right, middle; |
Ivan Casado Ruiz | c30b4c1 | 2005-06-01 02:39:18 -0500 | [diff] [blame] | 88 | int back = 0, forward = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 90 | if ((packet[0] & 0xc8) == 0x08) { /* 3-byte PS/2 packet */ |
Dmitry Torokhov | 968ac84 | 2005-05-29 02:28:29 -0500 | [diff] [blame] | 91 | input_report_key(dev2, BTN_LEFT, packet[0] & 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | input_report_key(dev2, BTN_RIGHT, packet[0] & 2); |
| 93 | input_report_key(dev2, BTN_MIDDLE, packet[0] & 4); |
| 94 | input_report_rel(dev2, REL_X, |
| 95 | packet[1] ? packet[1] - ((packet[0] << 4) & 0x100) : 0); |
| 96 | input_report_rel(dev2, REL_Y, |
| 97 | packet[2] ? ((packet[0] << 3) & 0x100) - packet[2] : 0); |
| 98 | input_sync(dev2); |
| 99 | return; |
| 100 | } |
| 101 | |
| 102 | if (priv->i->flags & ALPS_OLDPROTO) { |
Yotam Medini | d2f4012 | 2006-05-29 23:30:36 -0400 | [diff] [blame] | 103 | left = packet[2] & 0x10; |
| 104 | right = packet[2] & 0x08; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 105 | middle = 0; |
| 106 | x = packet[1] | ((packet[0] & 0x07) << 7); |
| 107 | y = packet[4] | ((packet[3] & 0x07) << 7); |
| 108 | z = packet[5]; |
| 109 | } else { |
| 110 | left = packet[3] & 1; |
| 111 | right = packet[3] & 2; |
| 112 | middle = packet[3] & 4; |
| 113 | x = packet[1] | ((packet[2] & 0x78) << (7 - 3)); |
| 114 | y = packet[4] | ((packet[3] & 0x70) << (7 - 4)); |
| 115 | z = packet[5]; |
| 116 | } |
| 117 | |
Ivan Casado Ruiz | c30b4c1 | 2005-06-01 02:39:18 -0500 | [diff] [blame] | 118 | if (priv->i->flags & ALPS_FW_BK_1) { |
| 119 | back = packet[2] & 4; |
| 120 | forward = packet[0] & 0x10; |
| 121 | } |
| 122 | |
| 123 | if (priv->i->flags & ALPS_FW_BK_2) { |
| 124 | back = packet[3] & 4; |
| 125 | forward = packet[2] & 4; |
| 126 | if ((middle = forward && back)) |
| 127 | forward = back = 0; |
| 128 | } |
| 129 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 130 | ges = packet[2] & 1; |
| 131 | fin = packet[2] & 2; |
| 132 | |
| 133 | input_report_key(dev, BTN_LEFT, left); |
| 134 | input_report_key(dev, BTN_RIGHT, right); |
| 135 | input_report_key(dev, BTN_MIDDLE, middle); |
| 136 | |
| 137 | if ((priv->i->flags & ALPS_DUALPOINT) && z == 127) { |
| 138 | input_report_rel(dev2, REL_X, (x > 383 ? (x - 768) : x)); |
| 139 | input_report_rel(dev2, REL_Y, -(y > 255 ? (y - 512) : y)); |
| 140 | input_sync(dev); |
| 141 | input_sync(dev2); |
| 142 | return; |
| 143 | } |
| 144 | |
| 145 | /* Convert hardware tap to a reasonable Z value */ |
| 146 | if (ges && !fin) z = 40; |
| 147 | |
| 148 | /* |
| 149 | * A "tap and drag" operation is reported by the hardware as a transition |
| 150 | * from (!fin && ges) to (fin && ges). This should be translated to the |
| 151 | * sequence Z>0, Z==0, Z>0, so the Z==0 event has to be generated manually. |
| 152 | */ |
| 153 | if (ges && fin && !priv->prev_fin) { |
| 154 | input_report_abs(dev, ABS_X, x); |
| 155 | input_report_abs(dev, ABS_Y, y); |
| 156 | input_report_abs(dev, ABS_PRESSURE, 0); |
| 157 | input_report_key(dev, BTN_TOOL_FINGER, 0); |
| 158 | input_sync(dev); |
| 159 | } |
| 160 | priv->prev_fin = fin; |
| 161 | |
| 162 | if (z > 30) input_report_key(dev, BTN_TOUCH, 1); |
| 163 | if (z < 25) input_report_key(dev, BTN_TOUCH, 0); |
| 164 | |
| 165 | if (z > 0) { |
| 166 | input_report_abs(dev, ABS_X, x); |
| 167 | input_report_abs(dev, ABS_Y, y); |
| 168 | } |
| 169 | |
| 170 | input_report_abs(dev, ABS_PRESSURE, z); |
| 171 | input_report_key(dev, BTN_TOOL_FINGER, z > 0); |
| 172 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 173 | if (priv->i->flags & ALPS_WHEEL) |
Vojtech Pavlik | e6c047b | 2005-09-04 01:40:43 -0500 | [diff] [blame] | 174 | 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] | 175 | |
Ivan Casado Ruiz | c30b4c1 | 2005-06-01 02:39:18 -0500 | [diff] [blame] | 176 | if (priv->i->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) { |
| 177 | input_report_key(dev, BTN_FORWARD, forward); |
| 178 | input_report_key(dev, BTN_BACK, back); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 179 | } |
| 180 | |
| 181 | input_sync(dev); |
| 182 | } |
| 183 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 184 | static psmouse_ret_t alps_process_byte(struct psmouse *psmouse) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 185 | { |
| 186 | struct alps_data *priv = psmouse->private; |
| 187 | |
| 188 | if ((psmouse->packet[0] & 0xc8) == 0x08) { /* PS/2 packet */ |
| 189 | if (psmouse->pktcnt == 3) { |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 190 | alps_process_packet(psmouse); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | return PSMOUSE_FULL_PACKET; |
| 192 | } |
| 193 | return PSMOUSE_GOOD_DATA; |
| 194 | } |
| 195 | |
| 196 | if ((psmouse->packet[0] & priv->i->mask0) != priv->i->byte0) |
| 197 | return PSMOUSE_BAD_DATA; |
| 198 | |
| 199 | /* Bytes 2 - 6 should have 0 in the highest bit */ |
| 200 | if (psmouse->pktcnt >= 2 && psmouse->pktcnt <= 6 && |
| 201 | (psmouse->packet[psmouse->pktcnt - 1] & 0x80)) |
| 202 | return PSMOUSE_BAD_DATA; |
| 203 | |
| 204 | if (psmouse->pktcnt == 6) { |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 205 | alps_process_packet(psmouse); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 206 | return PSMOUSE_FULL_PACKET; |
| 207 | } |
| 208 | |
| 209 | return PSMOUSE_GOOD_DATA; |
| 210 | } |
| 211 | |
Helge Deller | e38de67 | 2006-09-10 21:54:39 -0400 | [diff] [blame] | 212 | 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] | 213 | { |
| 214 | struct ps2dev *ps2dev = &psmouse->ps2dev; |
Helge Deller | e38de67 | 2006-09-10 21:54:39 -0400 | [diff] [blame] | 215 | 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] | 216 | unsigned char param[4]; |
| 217 | int i; |
| 218 | |
| 219 | /* |
| 220 | * First try "E6 report". |
| 221 | * ALPS should return 0,0,10 or 0,0,100 |
| 222 | */ |
| 223 | param[0] = 0; |
| 224 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES) || |
| 225 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || |
| 226 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || |
| 227 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11)) |
| 228 | return NULL; |
| 229 | |
| 230 | param[0] = param[1] = param[2] = 0xff; |
| 231 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) |
| 232 | return NULL; |
| 233 | |
| 234 | dbg("E6 report: %2.2x %2.2x %2.2x", param[0], param[1], param[2]); |
| 235 | |
| 236 | if (param[0] != 0 || param[1] != 0 || (param[2] != 10 && param[2] != 100)) |
| 237 | return NULL; |
| 238 | |
| 239 | /* |
| 240 | * Now try "E7 report". Allowed responses are in |
| 241 | * alps_model_data[].signature |
| 242 | */ |
| 243 | param[0] = 0; |
| 244 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES) || |
| 245 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) || |
| 246 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) || |
| 247 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21)) |
| 248 | return NULL; |
| 249 | |
| 250 | param[0] = param[1] = param[2] = 0xff; |
| 251 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) |
| 252 | return NULL; |
| 253 | |
| 254 | dbg("E7 report: %2.2x %2.2x %2.2x", param[0], param[1], param[2]); |
| 255 | |
Dmitry Torokhov | 1e0c5b1 | 2007-05-14 23:51:54 -0400 | [diff] [blame] | 256 | if (version) { |
| 257 | for (i = 0; i < ARRAY_SIZE(rates) && param[2] != rates[i]; i++) |
| 258 | /* empty */; |
| 259 | *version = (param[0] << 8) | (param[1] << 4) | i; |
| 260 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 261 | |
| 262 | for (i = 0; i < ARRAY_SIZE(alps_model_data); i++) |
Dmitry Torokhov | 1e0c5b1 | 2007-05-14 23:51:54 -0400 | [diff] [blame] | 263 | if (!memcmp(param, alps_model_data[i].signature, |
| 264 | sizeof(alps_model_data[i].signature))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 265 | return alps_model_data + i; |
| 266 | |
| 267 | return NULL; |
| 268 | } |
| 269 | |
| 270 | /* |
| 271 | * For DualPoint devices select the device that should respond to |
| 272 | * subsequent commands. It looks like glidepad is behind stickpointer, |
| 273 | * I'd thought it would be other way around... |
| 274 | */ |
| 275 | static int alps_passthrough_mode(struct psmouse *psmouse, int enable) |
| 276 | { |
| 277 | struct ps2dev *ps2dev = &psmouse->ps2dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 278 | int cmd = enable ? PSMOUSE_CMD_SETSCALE21 : PSMOUSE_CMD_SETSCALE11; |
| 279 | |
| 280 | if (ps2_command(ps2dev, NULL, cmd) || |
| 281 | ps2_command(ps2dev, NULL, cmd) || |
| 282 | ps2_command(ps2dev, NULL, cmd) || |
| 283 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE)) |
| 284 | return -1; |
| 285 | |
| 286 | /* we may get 3 more bytes, just ignore them */ |
Dmitry Torokhov | c611763 | 2005-06-01 02:39:51 -0500 | [diff] [blame] | 287 | ps2_drain(ps2dev, 3, 100); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 288 | |
| 289 | return 0; |
| 290 | } |
| 291 | |
| 292 | static int alps_absolute_mode(struct psmouse *psmouse) |
| 293 | { |
| 294 | struct ps2dev *ps2dev = &psmouse->ps2dev; |
| 295 | |
| 296 | /* Try ALPS magic knock - 4 disable before enable */ |
| 297 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || |
| 298 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || |
| 299 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || |
| 300 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || |
| 301 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) |
| 302 | return -1; |
| 303 | |
| 304 | /* |
| 305 | * Switch mouse to poll (remote) mode so motion data will not |
| 306 | * get in our way |
| 307 | */ |
| 308 | return ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETPOLL); |
| 309 | } |
| 310 | |
| 311 | static int alps_get_status(struct psmouse *psmouse, char *param) |
| 312 | { |
| 313 | struct ps2dev *ps2dev = &psmouse->ps2dev; |
| 314 | |
| 315 | /* Get status: 0xF5 0xF5 0xF5 0xE9 */ |
| 316 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || |
| 317 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || |
| 318 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || |
| 319 | ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) |
| 320 | return -1; |
| 321 | |
| 322 | dbg("Status: %2.2x %2.2x %2.2x", param[0], param[1], param[2]); |
| 323 | |
| 324 | return 0; |
| 325 | } |
| 326 | |
| 327 | /* |
| 328 | * Turn touchpad tapping on or off. The sequences are: |
| 329 | * 0xE9 0xF5 0xF5 0xF3 0x0A to enable, |
| 330 | * 0xE9 0xF5 0xF5 0xE8 0x00 to disable. |
| 331 | * My guess that 0xE9 (GetInfo) is here as a sync point. |
| 332 | * For models that also have stickpointer (DualPoints) its tapping |
| 333 | * is controlled separately (0xE6 0xE6 0xE6 0xF3 0x14|0x0A) but |
| 334 | * we don't fiddle with it. |
| 335 | */ |
| 336 | static int alps_tap_mode(struct psmouse *psmouse, int enable) |
| 337 | { |
| 338 | struct ps2dev *ps2dev = &psmouse->ps2dev; |
| 339 | int cmd = enable ? PSMOUSE_CMD_SETRATE : PSMOUSE_CMD_SETRES; |
| 340 | unsigned char tap_arg = enable ? 0x0A : 0x00; |
| 341 | unsigned char param[4]; |
| 342 | |
| 343 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO) || |
| 344 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || |
| 345 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || |
| 346 | ps2_command(ps2dev, &tap_arg, cmd)) |
| 347 | return -1; |
| 348 | |
| 349 | if (alps_get_status(psmouse, param)) |
| 350 | return -1; |
| 351 | |
| 352 | return 0; |
| 353 | } |
| 354 | |
Dmitry Torokhov | f0d5c6f4 | 2006-01-14 00:27:37 -0500 | [diff] [blame] | 355 | /* |
| 356 | * alps_poll() - poll the touchpad for current motion packet. |
| 357 | * Used in resync. |
| 358 | */ |
| 359 | static int alps_poll(struct psmouse *psmouse) |
| 360 | { |
| 361 | struct alps_data *priv = psmouse->private; |
| 362 | unsigned char buf[6]; |
| 363 | int poll_failed; |
| 364 | |
| 365 | if (priv->i->flags & ALPS_PASS) |
| 366 | alps_passthrough_mode(psmouse, 1); |
| 367 | |
| 368 | poll_failed = ps2_command(&psmouse->ps2dev, buf, |
| 369 | PSMOUSE_CMD_POLL | (psmouse->pktsize << 8)) < 0; |
| 370 | |
| 371 | if (priv->i->flags & ALPS_PASS) |
| 372 | alps_passthrough_mode(psmouse, 0); |
| 373 | |
| 374 | if (poll_failed || (buf[0] & priv->i->mask0) != priv->i->byte0) |
| 375 | return -1; |
| 376 | |
| 377 | if ((psmouse->badbyte & 0xc8) == 0x08) { |
| 378 | /* |
| 379 | * Poll the track stick ... |
| 380 | */ |
| 381 | if (ps2_command(&psmouse->ps2dev, buf, PSMOUSE_CMD_POLL | (3 << 8))) |
| 382 | return -1; |
| 383 | } |
| 384 | |
| 385 | memcpy(psmouse->packet, buf, sizeof(buf)); |
| 386 | return 0; |
| 387 | } |
| 388 | |
Dmitry Torokhov | 1e0c5b1 | 2007-05-14 23:51:54 -0400 | [diff] [blame] | 389 | static int alps_hw_init(struct psmouse *psmouse, int *version) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 390 | { |
| 391 | struct alps_data *priv = psmouse->private; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 392 | |
Dmitry Torokhov | 1e0c5b1 | 2007-05-14 23:51:54 -0400 | [diff] [blame] | 393 | priv->i = alps_get_model(psmouse, version); |
| 394 | if (!priv->i) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 395 | return -1; |
| 396 | |
David Moore | b30dc120 | 2005-07-11 01:07:48 -0500 | [diff] [blame] | 397 | if ((priv->i->flags & ALPS_PASS) && alps_passthrough_mode(psmouse, 1)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 398 | return -1; |
| 399 | |
Peter Osterlund | 963f626 | 2005-07-11 01:08:04 -0500 | [diff] [blame] | 400 | if (alps_tap_mode(psmouse, 1)) { |
Dmitry Torokhov | 1e0c5b1 | 2007-05-14 23:51:54 -0400 | [diff] [blame] | 401 | printk(KERN_WARNING "alps.c: Failed to enable hardware tapping\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 402 | return -1; |
Peter Osterlund | 963f626 | 2005-07-11 01:08:04 -0500 | [diff] [blame] | 403 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 404 | |
| 405 | if (alps_absolute_mode(psmouse)) { |
Dmitry Torokhov | 1e0c5b1 | 2007-05-14 23:51:54 -0400 | [diff] [blame] | 406 | printk(KERN_ERR "alps.c: Failed to enable absolute mode\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 407 | return -1; |
| 408 | } |
| 409 | |
David Moore | b30dc120 | 2005-07-11 01:07:48 -0500 | [diff] [blame] | 410 | if ((priv->i->flags & ALPS_PASS) && alps_passthrough_mode(psmouse, 0)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 411 | return -1; |
| 412 | |
Dmitry Torokhov | 1e0c5b1 | 2007-05-14 23:51:54 -0400 | [diff] [blame] | 413 | /* ALPS needs stream mode, otherwise it won't report any data */ |
| 414 | if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSTREAM)) { |
| 415 | printk(KERN_ERR "alps.c: Failed to enable stream mode\n"); |
| 416 | return -1; |
| 417 | } |
| 418 | |
| 419 | return 0; |
| 420 | } |
| 421 | |
| 422 | static int alps_reconnect(struct psmouse *psmouse) |
| 423 | { |
| 424 | psmouse_reset(psmouse); |
| 425 | |
| 426 | if (alps_hw_init(psmouse, NULL)) |
| 427 | return -1; |
| 428 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 429 | return 0; |
| 430 | } |
| 431 | |
| 432 | static void alps_disconnect(struct psmouse *psmouse) |
| 433 | { |
| 434 | struct alps_data *priv = psmouse->private; |
Dmitry Torokhov | 2e5b636 | 2005-09-15 02:01:44 -0500 | [diff] [blame] | 435 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 436 | psmouse_reset(psmouse); |
Dmitry Torokhov | 2e5b636 | 2005-09-15 02:01:44 -0500 | [diff] [blame] | 437 | input_unregister_device(priv->dev2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 438 | kfree(priv); |
| 439 | } |
| 440 | |
| 441 | int alps_init(struct psmouse *psmouse) |
| 442 | { |
| 443 | struct alps_data *priv; |
Dmitry Torokhov | 2e5b636 | 2005-09-15 02:01:44 -0500 | [diff] [blame] | 444 | struct input_dev *dev1 = psmouse->dev, *dev2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 445 | int version; |
| 446 | |
Dmitry Torokhov | f42649e | 2007-04-12 01:31:13 -0400 | [diff] [blame] | 447 | priv = kzalloc(sizeof(struct alps_data), GFP_KERNEL); |
Dmitry Torokhov | 2e5b636 | 2005-09-15 02:01:44 -0500 | [diff] [blame] | 448 | dev2 = input_allocate_device(); |
| 449 | if (!priv || !dev2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 450 | goto init_fail; |
Dmitry Torokhov | 2e5b636 | 2005-09-15 02:01:44 -0500 | [diff] [blame] | 451 | |
| 452 | priv->dev2 = dev2; |
Dmitry Torokhov | 1e0c5b1 | 2007-05-14 23:51:54 -0400 | [diff] [blame] | 453 | psmouse->private = priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 454 | |
Dmitry Torokhov | 1e0c5b1 | 2007-05-14 23:51:54 -0400 | [diff] [blame] | 455 | if (alps_hw_init(psmouse, &version)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 456 | goto init_fail; |
| 457 | |
Jiri Slaby | 7b19ada | 2007-10-18 23:40:32 -0700 | [diff] [blame] | 458 | dev1->evbit[BIT_WORD(EV_KEY)] |= BIT_MASK(EV_KEY); |
| 459 | dev1->keybit[BIT_WORD(BTN_TOUCH)] |= BIT_MASK(BTN_TOUCH); |
| 460 | dev1->keybit[BIT_WORD(BTN_TOOL_FINGER)] |= BIT_MASK(BTN_TOOL_FINGER); |
| 461 | dev1->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_LEFT) | |
| 462 | BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 463 | |
Jiri Slaby | 7b19ada | 2007-10-18 23:40:32 -0700 | [diff] [blame] | 464 | dev1->evbit[BIT_WORD(EV_ABS)] |= BIT_MASK(EV_ABS); |
Dmitry Torokhov | 2e5b636 | 2005-09-15 02:01:44 -0500 | [diff] [blame] | 465 | input_set_abs_params(dev1, ABS_X, 0, 1023, 0, 0); |
| 466 | input_set_abs_params(dev1, ABS_Y, 0, 767, 0, 0); |
| 467 | input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 468 | |
| 469 | if (priv->i->flags & ALPS_WHEEL) { |
Jiri Slaby | 7b19ada | 2007-10-18 23:40:32 -0700 | [diff] [blame] | 470 | dev1->evbit[BIT_WORD(EV_REL)] |= BIT_MASK(EV_REL); |
| 471 | dev1->relbit[BIT_WORD(REL_WHEEL)] |= BIT_MASK(REL_WHEEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 472 | } |
| 473 | |
Ivan Casado Ruiz | c30b4c1 | 2005-06-01 02:39:18 -0500 | [diff] [blame] | 474 | if (priv->i->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) { |
Jiri Slaby | 7b19ada | 2007-10-18 23:40:32 -0700 | [diff] [blame] | 475 | dev1->keybit[BIT_WORD(BTN_FORWARD)] |= BIT_MASK(BTN_FORWARD); |
| 476 | dev1->keybit[BIT_WORD(BTN_BACK)] |= BIT_MASK(BTN_BACK); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 477 | } |
| 478 | |
Dmitry Torokhov | 08ffce4 | 2006-06-26 01:45:10 -0400 | [diff] [blame] | 479 | snprintf(priv->phys, sizeof(priv->phys), "%s/input1", psmouse->ps2dev.serio->phys); |
Dmitry Torokhov | 2e5b636 | 2005-09-15 02:01:44 -0500 | [diff] [blame] | 480 | dev2->phys = priv->phys; |
| 481 | dev2->name = (priv->i->flags & ALPS_DUALPOINT) ? "DualPoint Stick" : "PS/2 Mouse"; |
| 482 | dev2->id.bustype = BUS_I8042; |
| 483 | dev2->id.vendor = 0x0002; |
| 484 | dev2->id.product = PSMOUSE_ALPS; |
| 485 | dev2->id.version = 0x0000; |
Dmitry Torokhov | 968ac84 | 2005-05-29 02:28:29 -0500 | [diff] [blame] | 486 | |
Jiri Slaby | 7b19ada | 2007-10-18 23:40:32 -0700 | [diff] [blame] | 487 | dev2->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); |
| 488 | dev2->relbit[BIT_WORD(REL_X)] |= BIT_MASK(REL_X) | BIT_MASK(REL_Y); |
| 489 | dev2->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_LEFT) | |
| 490 | BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 491 | |
Dmitry Torokhov | f42649e | 2007-04-12 01:31:13 -0400 | [diff] [blame] | 492 | if (input_register_device(priv->dev2)) |
| 493 | goto init_fail; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 494 | |
| 495 | psmouse->protocol_handler = alps_process_byte; |
Dmitry Torokhov | f0d5c6f4 | 2006-01-14 00:27:37 -0500 | [diff] [blame] | 496 | psmouse->poll = alps_poll; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 497 | psmouse->disconnect = alps_disconnect; |
| 498 | psmouse->reconnect = alps_reconnect; |
| 499 | psmouse->pktsize = 6; |
| 500 | |
Dmitry Torokhov | f0d5c6f4 | 2006-01-14 00:27:37 -0500 | [diff] [blame] | 501 | /* We are having trouble resyncing ALPS touchpads so disable it for now */ |
| 502 | psmouse->resync_time = 0; |
| 503 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 504 | return 0; |
| 505 | |
| 506 | init_fail: |
Dmitry Torokhov | f42649e | 2007-04-12 01:31:13 -0400 | [diff] [blame] | 507 | psmouse_reset(psmouse); |
Dmitry Torokhov | 2e5b636 | 2005-09-15 02:01:44 -0500 | [diff] [blame] | 508 | input_free_device(dev2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 509 | kfree(priv); |
Dmitry Torokhov | 1e0c5b1 | 2007-05-14 23:51:54 -0400 | [diff] [blame] | 510 | psmouse->private = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 511 | return -1; |
| 512 | } |
| 513 | |
| 514 | int alps_detect(struct psmouse *psmouse, int set_properties) |
| 515 | { |
| 516 | int version; |
Helge Deller | e38de67 | 2006-09-10 21:54:39 -0400 | [diff] [blame] | 517 | const struct alps_model_info *model; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 518 | |
Dmitry Torokhov | f42649e | 2007-04-12 01:31:13 -0400 | [diff] [blame] | 519 | model = alps_get_model(psmouse, &version); |
| 520 | if (!model) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 521 | return -1; |
| 522 | |
| 523 | if (set_properties) { |
| 524 | psmouse->vendor = "ALPS"; |
Dmitry Torokhov | 968ac84 | 2005-05-29 02:28:29 -0500 | [diff] [blame] | 525 | psmouse->name = model->flags & ALPS_DUALPOINT ? |
| 526 | "DualPoint TouchPad" : "GlidePoint"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 527 | psmouse->model = version; |
| 528 | } |
| 529 | return 0; |
| 530 | } |
| 531 | |