Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Synaptics TouchPad PS/2 mouse driver |
| 3 | * |
| 4 | * 2003 Dmitry Torokhov <dtor@mail.ru> |
| 5 | * Added support for pass-through port. Special thanks to Peter Berg Larsen |
| 6 | * for explaining various Synaptics quirks. |
| 7 | * |
| 8 | * 2003 Peter Osterlund <petero2@telia.com> |
| 9 | * Ported to 2.5 input device infrastructure. |
| 10 | * |
| 11 | * Copyright (C) 2001 Stefan Gmeiner <riddlebox@freesurf.ch> |
| 12 | * start merging tpconfig and gpm code to a xfree-input module |
| 13 | * adding some changes and extensions (ex. 3rd and 4th button) |
| 14 | * |
| 15 | * Copyright (c) 1997 C. Scott Ananian <cananian@alumni.priceton.edu> |
| 16 | * Copyright (c) 1998-2000 Bruce Kalk <kall@compass.com> |
| 17 | * code for the special synaptics commands (from the tpconfig-source) |
| 18 | * |
| 19 | * This program is free software; you can redistribute it and/or modify it |
| 20 | * under the terms of the GNU General Public License version 2 as published by |
| 21 | * the Free Software Foundation. |
| 22 | * |
| 23 | * Trademarks are the property of their respective owners. |
| 24 | */ |
| 25 | |
| 26 | #include <linux/module.h> |
Dmitry Torokhov | 8521478 | 2011-12-12 00:05:53 -0800 | [diff] [blame] | 27 | #include <linux/delay.h> |
Dmitry Torokhov | 7705d54 | 2009-12-03 23:21:14 -0800 | [diff] [blame] | 28 | #include <linux/dmi.h> |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 29 | #include <linux/input/mt.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | #include <linux/serio.h> |
| 31 | #include <linux/libps2.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 32 | #include <linux/slab.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | #include "psmouse.h" |
| 34 | #include "synaptics.h" |
| 35 | |
| 36 | /* |
| 37 | * The x/y limits are taken from the Synaptics TouchPad interfacing Guide, |
| 38 | * section 2.3.2, which says that they should be valid regardless of the |
| 39 | * actual size of the sensor. |
Dmitry Torokhov | 83ba9ea | 2010-05-10 23:06:52 -0700 | [diff] [blame] | 40 | * Note that newer firmware allows querying device for maximum useable |
| 41 | * coordinates. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | */ |
Seth Forshee | c0394506 | 2012-07-24 23:54:11 -0700 | [diff] [blame] | 43 | #define XMIN 0 |
| 44 | #define XMAX 6143 |
| 45 | #define YMIN 0 |
| 46 | #define YMAX 6143 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | #define XMIN_NOMINAL 1472 |
| 48 | #define XMAX_NOMINAL 5472 |
| 49 | #define YMIN_NOMINAL 1408 |
| 50 | #define YMAX_NOMINAL 4448 |
| 51 | |
Seth Forshee | c0394506 | 2012-07-24 23:54:11 -0700 | [diff] [blame] | 52 | /* Size in bits of absolute position values reported by the hardware */ |
| 53 | #define ABS_POS_BITS 13 |
| 54 | |
| 55 | /* |
Seth Forshee | 824efd3 | 2012-09-28 10:29:21 -0700 | [diff] [blame] | 56 | * These values should represent the absolute maximum value that will |
| 57 | * be reported for a positive position value. Some Synaptics firmware |
| 58 | * uses this value to indicate a finger near the edge of the touchpad |
| 59 | * whose precise position cannot be determined. |
| 60 | * |
| 61 | * At least one touchpad is known to report positions in excess of this |
| 62 | * value which are actually negative values truncated to the 13-bit |
| 63 | * reporting range. These values have never been observed to be lower |
| 64 | * than 8184 (i.e. -8), so we treat all values greater than 8176 as |
| 65 | * negative and any other value as positive. |
Seth Forshee | c0394506 | 2012-07-24 23:54:11 -0700 | [diff] [blame] | 66 | */ |
Seth Forshee | 824efd3 | 2012-09-28 10:29:21 -0700 | [diff] [blame] | 67 | #define X_MAX_POSITIVE 8176 |
| 68 | #define Y_MAX_POSITIVE 8176 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | |
Benjamin Tissoires | 58fd9af | 2015-04-05 13:44:12 -0700 | [diff] [blame^] | 70 | /* maximum ABS_MT_POSITION displacement (in mm) */ |
| 71 | #define DMAX 10 |
| 72 | |
Andres Salomon | 55e3d92 | 2007-03-10 01:39:54 -0500 | [diff] [blame] | 73 | /***************************************************************************** |
| 74 | * Stuff we need even when we do not want native Synaptics support |
| 75 | ****************************************************************************/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | |
| 77 | /* |
| 78 | * Set the synaptics touchpad mode byte by special commands |
| 79 | */ |
| 80 | static int synaptics_mode_cmd(struct psmouse *psmouse, unsigned char mode) |
| 81 | { |
| 82 | unsigned char param[1]; |
| 83 | |
| 84 | if (psmouse_sliced_command(psmouse, mode)) |
| 85 | return -1; |
| 86 | param[0] = SYN_PS_SET_MODE2; |
| 87 | if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_SETRATE)) |
| 88 | return -1; |
| 89 | return 0; |
| 90 | } |
| 91 | |
Dmitry Torokhov | b7802c5 | 2009-09-09 19:13:20 -0700 | [diff] [blame] | 92 | int synaptics_detect(struct psmouse *psmouse, bool set_properties) |
Andres Salomon | 55e3d92 | 2007-03-10 01:39:54 -0500 | [diff] [blame] | 93 | { |
| 94 | struct ps2dev *ps2dev = &psmouse->ps2dev; |
| 95 | unsigned char param[4]; |
| 96 | |
| 97 | param[0] = 0; |
| 98 | |
| 99 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); |
| 100 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); |
| 101 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); |
| 102 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); |
| 103 | ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO); |
| 104 | |
| 105 | if (param[1] != 0x47) |
| 106 | return -ENODEV; |
| 107 | |
| 108 | if (set_properties) { |
| 109 | psmouse->vendor = "Synaptics"; |
| 110 | psmouse->name = "TouchPad"; |
| 111 | } |
| 112 | |
| 113 | return 0; |
| 114 | } |
| 115 | |
| 116 | void synaptics_reset(struct psmouse *psmouse) |
| 117 | { |
| 118 | /* reset touchpad back to relative mode, gestures enabled */ |
| 119 | synaptics_mode_cmd(psmouse, 0); |
| 120 | } |
| 121 | |
| 122 | #ifdef CONFIG_MOUSE_PS2_SYNAPTICS |
Henrik Rydberg | e08d9af | 2014-07-14 10:26:56 -0700 | [diff] [blame] | 123 | |
| 124 | static bool cr48_profile_sensor; |
| 125 | |
Daniel Martin | 5b3089d | 2015-03-08 22:29:15 -0700 | [diff] [blame] | 126 | #define ANY_BOARD_ID 0 |
Hans de Goede | 0f68f39 | 2014-05-19 22:54:09 -0700 | [diff] [blame] | 127 | struct min_max_quirk { |
| 128 | const char * const *pnp_ids; |
Daniel Martin | 5b3089d | 2015-03-08 22:29:15 -0700 | [diff] [blame] | 129 | struct { |
| 130 | unsigned long int min, max; |
| 131 | } board_id; |
Hans de Goede | 0f68f39 | 2014-05-19 22:54:09 -0700 | [diff] [blame] | 132 | int x_min, x_max, y_min, y_max; |
| 133 | }; |
| 134 | |
| 135 | static const struct min_max_quirk min_max_pnpid_table[] = { |
| 136 | { |
| 137 | (const char * const []){"LEN0033", NULL}, |
Daniel Martin | 5b3089d | 2015-03-08 22:29:15 -0700 | [diff] [blame] | 138 | {ANY_BOARD_ID, ANY_BOARD_ID}, |
Hans de Goede | 0f68f39 | 2014-05-19 22:54:09 -0700 | [diff] [blame] | 139 | 1024, 5052, 2258, 4832 |
| 140 | }, |
| 141 | { |
Daniel Martin | b05f4d1 | 2015-03-08 22:29:07 -0700 | [diff] [blame] | 142 | (const char * const []){"LEN0042", NULL}, |
Daniel Martin | 5b3089d | 2015-03-08 22:29:15 -0700 | [diff] [blame] | 143 | {ANY_BOARD_ID, ANY_BOARD_ID}, |
Hans de Goede | 0f68f39 | 2014-05-19 22:54:09 -0700 | [diff] [blame] | 144 | 1232, 5710, 1156, 4696 |
| 145 | }, |
| 146 | { |
Peter Hutterer | 8543cf1 | 2015-01-19 16:29:25 -0800 | [diff] [blame] | 147 | (const char * const []){"LEN0034", "LEN0036", "LEN0037", |
| 148 | "LEN0039", "LEN2002", "LEN2004", |
| 149 | NULL}, |
Benjamin Tissoires | 02e0749 | 2015-03-08 22:29:25 -0700 | [diff] [blame] | 150 | {ANY_BOARD_ID, 2961}, |
Hans de Goede | 0f68f39 | 2014-05-19 22:54:09 -0700 | [diff] [blame] | 151 | 1024, 5112, 2024, 4832 |
| 152 | }, |
| 153 | { |
| 154 | (const char * const []){"LEN2001", NULL}, |
Daniel Martin | 5b3089d | 2015-03-08 22:29:15 -0700 | [diff] [blame] | 155 | {ANY_BOARD_ID, ANY_BOARD_ID}, |
Hans de Goede | 0f68f39 | 2014-05-19 22:54:09 -0700 | [diff] [blame] | 156 | 1024, 5022, 2508, 4832 |
| 157 | }, |
Ben Sagal | bce4f9e | 2014-11-16 17:23:40 -0800 | [diff] [blame] | 158 | { |
| 159 | (const char * const []){"LEN2006", NULL}, |
Daniel Martin | 5b3089d | 2015-03-08 22:29:15 -0700 | [diff] [blame] | 160 | {ANY_BOARD_ID, ANY_BOARD_ID}, |
Ben Sagal | bce4f9e | 2014-11-16 17:23:40 -0800 | [diff] [blame] | 161 | 1264, 5675, 1171, 4688 |
| 162 | }, |
Hans de Goede | 0f68f39 | 2014-05-19 22:54:09 -0700 | [diff] [blame] | 163 | { } |
| 164 | }; |
| 165 | |
Hans de Goede | 43e1988 | 2014-04-19 22:26:41 -0700 | [diff] [blame] | 166 | /* This list has been kindly provided by Synaptics. */ |
| 167 | static const char * const topbuttonpad_pnp_ids[] = { |
| 168 | "LEN0017", |
| 169 | "LEN0018", |
| 170 | "LEN0019", |
| 171 | "LEN0023", |
| 172 | "LEN002A", |
| 173 | "LEN002B", |
| 174 | "LEN002C", |
| 175 | "LEN002D", |
| 176 | "LEN002E", |
| 177 | "LEN0033", /* Helix */ |
Hans de Goede | 0f68f39 | 2014-05-19 22:54:09 -0700 | [diff] [blame] | 178 | "LEN0034", /* T431s, L440, L540, T540, W540, X1 Carbon 2nd */ |
Hans de Goede | 43e1988 | 2014-04-19 22:26:41 -0700 | [diff] [blame] | 179 | "LEN0035", /* X240 */ |
| 180 | "LEN0036", /* T440 */ |
Peter Hutterer | 8543cf1 | 2015-01-19 16:29:25 -0800 | [diff] [blame] | 181 | "LEN0037", /* X1 Carbon 2nd */ |
Hans de Goede | 43e1988 | 2014-04-19 22:26:41 -0700 | [diff] [blame] | 182 | "LEN0038", |
Takashi Iwai | e4742b1 | 2014-11-06 09:27:11 -0800 | [diff] [blame] | 183 | "LEN0039", /* T440s */ |
Hans de Goede | 43e1988 | 2014-04-19 22:26:41 -0700 | [diff] [blame] | 184 | "LEN0041", |
| 185 | "LEN0042", /* Yoga */ |
| 186 | "LEN0045", |
Hans de Goede | 43e1988 | 2014-04-19 22:26:41 -0700 | [diff] [blame] | 187 | "LEN0047", |
Hans de Goede | 43e1988 | 2014-04-19 22:26:41 -0700 | [diff] [blame] | 188 | "LEN0049", |
| 189 | "LEN2000", |
Hans de Goede | 0f68f39 | 2014-05-19 22:54:09 -0700 | [diff] [blame] | 190 | "LEN2001", /* Edge E431 */ |
Hans de Goede | e76aed9 | 2014-07-14 17:12:21 -0700 | [diff] [blame] | 191 | "LEN2002", /* Edge E531 */ |
Hans de Goede | 43e1988 | 2014-04-19 22:26:41 -0700 | [diff] [blame] | 192 | "LEN2003", |
| 193 | "LEN2004", /* L440 */ |
| 194 | "LEN2005", |
| 195 | "LEN2006", |
| 196 | "LEN2007", |
| 197 | "LEN2008", |
| 198 | "LEN2009", |
| 199 | "LEN200A", |
| 200 | "LEN200B", |
| 201 | NULL |
| 202 | }; |
Andres Salomon | 55e3d92 | 2007-03-10 01:39:54 -0500 | [diff] [blame] | 203 | |
Dmitry Torokhov | de4e374 | 2014-12-29 14:43:44 -0800 | [diff] [blame] | 204 | /* This list has been kindly provided by Synaptics. */ |
| 205 | static const char * const forcepad_pnp_ids[] = { |
| 206 | "SYN300D", |
| 207 | "SYN3014", |
| 208 | NULL |
| 209 | }; |
| 210 | |
Andres Salomon | 55e3d92 | 2007-03-10 01:39:54 -0500 | [diff] [blame] | 211 | /***************************************************************************** |
| 212 | * Synaptics communications functions |
| 213 | ****************************************************************************/ |
| 214 | |
| 215 | /* |
JJ Ding | 1a49a0a | 2012-05-10 22:32:00 -0700 | [diff] [blame] | 216 | * Synaptics touchpads report the y coordinate from bottom to top, which is |
| 217 | * opposite from what userspace expects. |
| 218 | * This function is used to invert y before reporting. |
| 219 | */ |
| 220 | static int synaptics_invert_y(int y) |
| 221 | { |
| 222 | return YMAX_NOMINAL + YMIN_NOMINAL - y; |
| 223 | } |
| 224 | |
| 225 | /* |
Andres Salomon | 55e3d92 | 2007-03-10 01:39:54 -0500 | [diff] [blame] | 226 | * Send a command to the synpatics touchpad by special commands |
| 227 | */ |
| 228 | static int synaptics_send_cmd(struct psmouse *psmouse, unsigned char c, unsigned char *param) |
| 229 | { |
| 230 | if (psmouse_sliced_command(psmouse, c)) |
| 231 | return -1; |
| 232 | if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETINFO)) |
| 233 | return -1; |
| 234 | return 0; |
| 235 | } |
| 236 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | /* |
| 238 | * Read the model-id bytes from the touchpad |
| 239 | * see also SYN_MODEL_* macros |
| 240 | */ |
| 241 | static int synaptics_model_id(struct psmouse *psmouse) |
| 242 | { |
| 243 | struct synaptics_data *priv = psmouse->private; |
| 244 | unsigned char mi[3]; |
| 245 | |
| 246 | if (synaptics_send_cmd(psmouse, SYN_QUE_MODEL, mi)) |
| 247 | return -1; |
| 248 | priv->model_id = (mi[0]<<16) | (mi[1]<<8) | mi[2]; |
| 249 | return 0; |
| 250 | } |
| 251 | |
Benjamin Tissoires | 06aa374 | 2015-03-08 22:34:03 -0700 | [diff] [blame] | 252 | static int synaptics_more_extended_queries(struct psmouse *psmouse) |
| 253 | { |
| 254 | struct synaptics_data *priv = psmouse->private; |
| 255 | unsigned char buf[3]; |
| 256 | |
| 257 | if (synaptics_send_cmd(psmouse, SYN_QUE_MEXT_CAPAB_10, buf)) |
| 258 | return -1; |
| 259 | |
| 260 | priv->ext_cap_10 = (buf[0]<<16) | (buf[1]<<8) | buf[2]; |
| 261 | |
| 262 | return 0; |
| 263 | } |
| 264 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 265 | /* |
Benjamin Tissoires | 06aa374 | 2015-03-08 22:34:03 -0700 | [diff] [blame] | 266 | * Read the board id and the "More Extended Queries" from the touchpad |
Daniel Kurtz | c6bd9d4 | 2012-07-07 18:08:51 -0700 | [diff] [blame] | 267 | * The board id is encoded in the "QUERY MODES" response |
| 268 | */ |
Benjamin Tissoires | 06aa374 | 2015-03-08 22:34:03 -0700 | [diff] [blame] | 269 | static int synaptics_query_modes(struct psmouse *psmouse) |
Daniel Kurtz | c6bd9d4 | 2012-07-07 18:08:51 -0700 | [diff] [blame] | 270 | { |
| 271 | struct synaptics_data *priv = psmouse->private; |
| 272 | unsigned char bid[3]; |
| 273 | |
Benjamin Tissoires | b57a712 | 2015-03-08 22:33:36 -0700 | [diff] [blame] | 274 | /* firmwares prior 7.5 have no board_id encoded */ |
| 275 | if (SYN_ID_FULL(priv->identity) < 0x705) |
| 276 | return 0; |
| 277 | |
Daniel Kurtz | c6bd9d4 | 2012-07-07 18:08:51 -0700 | [diff] [blame] | 278 | if (synaptics_send_cmd(psmouse, SYN_QUE_MODES, bid)) |
| 279 | return -1; |
| 280 | priv->board_id = ((bid[0] & 0xfc) << 6) | bid[1]; |
Benjamin Tissoires | 06aa374 | 2015-03-08 22:34:03 -0700 | [diff] [blame] | 281 | |
| 282 | if (SYN_MEXT_CAP_BIT(bid[0])) |
| 283 | return synaptics_more_extended_queries(psmouse); |
| 284 | |
Daniel Kurtz | c6bd9d4 | 2012-07-07 18:08:51 -0700 | [diff] [blame] | 285 | return 0; |
| 286 | } |
| 287 | |
| 288 | /* |
| 289 | * Read the firmware id from the touchpad |
| 290 | */ |
| 291 | static int synaptics_firmware_id(struct psmouse *psmouse) |
| 292 | { |
| 293 | struct synaptics_data *priv = psmouse->private; |
| 294 | unsigned char fwid[3]; |
| 295 | |
| 296 | if (synaptics_send_cmd(psmouse, SYN_QUE_FIRMWARE_ID, fwid)) |
| 297 | return -1; |
| 298 | priv->firmware_id = (fwid[0] << 16) | (fwid[1] << 8) | fwid[2]; |
| 299 | return 0; |
| 300 | } |
| 301 | |
| 302 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 303 | * Read the capability-bits from the touchpad |
| 304 | * see also the SYN_CAP_* macros |
| 305 | */ |
| 306 | static int synaptics_capability(struct psmouse *psmouse) |
| 307 | { |
| 308 | struct synaptics_data *priv = psmouse->private; |
| 309 | unsigned char cap[3]; |
| 310 | |
| 311 | if (synaptics_send_cmd(psmouse, SYN_QUE_CAPABILITIES, cap)) |
| 312 | return -1; |
| 313 | priv->capabilities = (cap[0] << 16) | (cap[1] << 8) | cap[2]; |
Takashi Iwai | 5f57d67 | 2010-04-19 10:37:21 -0700 | [diff] [blame] | 314 | priv->ext_cap = priv->ext_cap_0c = 0; |
| 315 | |
Dmitry Torokhov | 3619b8f | 2010-07-21 00:01:19 -0700 | [diff] [blame] | 316 | /* |
| 317 | * Older firmwares had submodel ID fixed to 0x47 |
| 318 | */ |
| 319 | if (SYN_ID_FULL(priv->identity) < 0x705 && |
| 320 | SYN_CAP_SUBMODEL_ID(priv->capabilities) != 0x47) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 321 | return -1; |
Dmitry Torokhov | 3619b8f | 2010-07-21 00:01:19 -0700 | [diff] [blame] | 322 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 323 | |
| 324 | /* |
| 325 | * Unless capExtended is set the rest of the flags should be ignored |
| 326 | */ |
| 327 | if (!SYN_CAP_EXTENDED(priv->capabilities)) |
| 328 | priv->capabilities = 0; |
| 329 | |
| 330 | if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 1) { |
| 331 | if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_CAPAB, cap)) { |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 332 | psmouse_warn(psmouse, |
| 333 | "device claims to have extended capabilities, but I'm not able to read them.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 334 | } else { |
| 335 | priv->ext_cap = (cap[0] << 16) | (cap[1] << 8) | cap[2]; |
| 336 | |
| 337 | /* |
| 338 | * if nExtBtn is greater than 8 it should be considered |
| 339 | * invalid and treated as 0 |
| 340 | */ |
| 341 | if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) > 8) |
| 342 | priv->ext_cap &= 0xff0fff; |
| 343 | } |
| 344 | } |
Takashi Iwai | 5f57d67 | 2010-04-19 10:37:21 -0700 | [diff] [blame] | 345 | |
| 346 | if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 4) { |
| 347 | if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_CAPAB_0C, cap)) { |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 348 | psmouse_warn(psmouse, |
| 349 | "device claims to have extended capability 0x0c, but I'm not able to read it.\n"); |
Takashi Iwai | 5f57d67 | 2010-04-19 10:37:21 -0700 | [diff] [blame] | 350 | } else { |
| 351 | priv->ext_cap_0c = (cap[0] << 16) | (cap[1] << 8) | cap[2]; |
| 352 | } |
| 353 | } |
| 354 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 355 | return 0; |
| 356 | } |
| 357 | |
| 358 | /* |
| 359 | * Identify Touchpad |
| 360 | * See also the SYN_ID_* macros |
| 361 | */ |
| 362 | static int synaptics_identify(struct psmouse *psmouse) |
| 363 | { |
| 364 | struct synaptics_data *priv = psmouse->private; |
| 365 | unsigned char id[3]; |
| 366 | |
| 367 | if (synaptics_send_cmd(psmouse, SYN_QUE_IDENTIFY, id)) |
| 368 | return -1; |
| 369 | priv->identity = (id[0]<<16) | (id[1]<<8) | id[2]; |
| 370 | if (SYN_ID_IS_SYNAPTICS(priv->identity)) |
| 371 | return 0; |
| 372 | return -1; |
| 373 | } |
| 374 | |
Tero Saarni | ec20a02 | 2009-06-10 23:27:24 -0700 | [diff] [blame] | 375 | /* |
Dmitry Torokhov | 83ba9ea | 2010-05-10 23:06:52 -0700 | [diff] [blame] | 376 | * Read touchpad resolution and maximum reported coordinates |
Tero Saarni | ec20a02 | 2009-06-10 23:27:24 -0700 | [diff] [blame] | 377 | * Resolution is left zero if touchpad does not support the query |
| 378 | */ |
Benjamin Tissoires | 421e08c | 2014-03-28 00:43:00 -0700 | [diff] [blame] | 379 | |
Tero Saarni | ec20a02 | 2009-06-10 23:27:24 -0700 | [diff] [blame] | 380 | static int synaptics_resolution(struct psmouse *psmouse) |
| 381 | { |
| 382 | struct synaptics_data *priv = psmouse->private; |
Dmitry Torokhov | a66413f | 2011-07-09 12:32:56 -0700 | [diff] [blame] | 383 | unsigned char resp[3]; |
Tero Saarni | ec20a02 | 2009-06-10 23:27:24 -0700 | [diff] [blame] | 384 | |
| 385 | if (SYN_ID_MAJOR(priv->identity) < 4) |
Takashi Iwai | bbddd19 | 2010-07-14 09:32:46 -0700 | [diff] [blame] | 386 | return 0; |
Tero Saarni | ec20a02 | 2009-06-10 23:27:24 -0700 | [diff] [blame] | 387 | |
Dmitry Torokhov | a66413f | 2011-07-09 12:32:56 -0700 | [diff] [blame] | 388 | if (synaptics_send_cmd(psmouse, SYN_QUE_RESOLUTION, resp) == 0) { |
| 389 | if (resp[0] != 0 && (resp[1] & 0x80) && resp[2] != 0) { |
| 390 | priv->x_res = resp[0]; /* x resolution in units/mm */ |
| 391 | priv->y_res = resp[2]; /* y resolution in units/mm */ |
Dmitry Torokhov | 83ba9ea | 2010-05-10 23:06:52 -0700 | [diff] [blame] | 392 | } |
| 393 | } |
Tero Saarni | ec20a02 | 2009-06-10 23:27:24 -0700 | [diff] [blame] | 394 | |
Dmitry Torokhov | 83ba9ea | 2010-05-10 23:06:52 -0700 | [diff] [blame] | 395 | if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 5 && |
| 396 | SYN_CAP_MAX_DIMENSIONS(priv->ext_cap_0c)) { |
Dmitry Torokhov | a66413f | 2011-07-09 12:32:56 -0700 | [diff] [blame] | 397 | if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_MAX_COORDS, resp)) { |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 398 | psmouse_warn(psmouse, |
| 399 | "device claims to have max coordinates query, but I'm not able to read it.\n"); |
Dmitry Torokhov | 83ba9ea | 2010-05-10 23:06:52 -0700 | [diff] [blame] | 400 | } else { |
Dmitry Torokhov | a66413f | 2011-07-09 12:32:56 -0700 | [diff] [blame] | 401 | priv->x_max = (resp[0] << 5) | ((resp[1] & 0x0f) << 1); |
| 402 | priv->y_max = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3); |
Daniel Martin | 9aff659 | 2015-03-08 22:28:29 -0700 | [diff] [blame] | 403 | psmouse_info(psmouse, |
| 404 | "queried max coordinates: x [..%d], y [..%d]\n", |
| 405 | priv->x_max, priv->y_max); |
Dmitry Torokhov | a66413f | 2011-07-09 12:32:56 -0700 | [diff] [blame] | 406 | } |
| 407 | } |
| 408 | |
Daniel Martin | ac09793 | 2015-03-08 22:28:40 -0700 | [diff] [blame] | 409 | if (SYN_CAP_MIN_DIMENSIONS(priv->ext_cap_0c) && |
| 410 | (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 7 || |
| 411 | /* |
| 412 | * Firmware v8.1 does not report proper number of extended |
| 413 | * capabilities, but has been proven to report correct min |
| 414 | * coordinates. |
| 415 | */ |
| 416 | SYN_ID_FULL(priv->identity) == 0x801)) { |
Dmitry Torokhov | a66413f | 2011-07-09 12:32:56 -0700 | [diff] [blame] | 417 | if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_MIN_COORDS, resp)) { |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 418 | psmouse_warn(psmouse, |
| 419 | "device claims to have min coordinates query, but I'm not able to read it.\n"); |
Dmitry Torokhov | a66413f | 2011-07-09 12:32:56 -0700 | [diff] [blame] | 420 | } else { |
| 421 | priv->x_min = (resp[0] << 5) | ((resp[1] & 0x0f) << 1); |
| 422 | priv->y_min = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3); |
Daniel Martin | 9aff659 | 2015-03-08 22:28:29 -0700 | [diff] [blame] | 423 | psmouse_info(psmouse, |
| 424 | "queried min coordinates: x [%d..], y [%d..]\n", |
| 425 | priv->x_min, priv->y_min); |
Dmitry Torokhov | 83ba9ea | 2010-05-10 23:06:52 -0700 | [diff] [blame] | 426 | } |
Tero Saarni | ec20a02 | 2009-06-10 23:27:24 -0700 | [diff] [blame] | 427 | } |
| 428 | |
| 429 | return 0; |
| 430 | } |
| 431 | |
Daniel Martin | 8b04bab | 2015-03-08 22:27:37 -0700 | [diff] [blame] | 432 | /* |
| 433 | * Apply quirk(s) if the hardware matches |
| 434 | */ |
| 435 | |
| 436 | static void synaptics_apply_quirks(struct psmouse *psmouse) |
| 437 | { |
| 438 | struct synaptics_data *priv = psmouse->private; |
| 439 | int i; |
| 440 | |
| 441 | for (i = 0; min_max_pnpid_table[i].pnp_ids; i++) { |
Daniel Martin | 5b3089d | 2015-03-08 22:29:15 -0700 | [diff] [blame] | 442 | if (!psmouse_matches_pnp_id(psmouse, |
| 443 | min_max_pnpid_table[i].pnp_ids)) |
| 444 | continue; |
| 445 | |
| 446 | if (min_max_pnpid_table[i].board_id.min != ANY_BOARD_ID && |
| 447 | priv->board_id < min_max_pnpid_table[i].board_id.min) |
| 448 | continue; |
| 449 | |
| 450 | if (min_max_pnpid_table[i].board_id.max != ANY_BOARD_ID && |
| 451 | priv->board_id > min_max_pnpid_table[i].board_id.max) |
| 452 | continue; |
| 453 | |
| 454 | priv->x_min = min_max_pnpid_table[i].x_min; |
| 455 | priv->x_max = min_max_pnpid_table[i].x_max; |
| 456 | priv->y_min = min_max_pnpid_table[i].y_min; |
| 457 | priv->y_max = min_max_pnpid_table[i].y_max; |
| 458 | psmouse_info(psmouse, |
| 459 | "quirked min/max coordinates: x [%d..%d], y [%d..%d]\n", |
| 460 | priv->x_min, priv->x_max, |
| 461 | priv->y_min, priv->y_max); |
| 462 | break; |
Daniel Martin | 8b04bab | 2015-03-08 22:27:37 -0700 | [diff] [blame] | 463 | } |
| 464 | } |
| 465 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 466 | static int synaptics_query_hardware(struct psmouse *psmouse) |
| 467 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 468 | if (synaptics_identify(psmouse)) |
| 469 | return -1; |
| 470 | if (synaptics_model_id(psmouse)) |
| 471 | return -1; |
Daniel Kurtz | c6bd9d4 | 2012-07-07 18:08:51 -0700 | [diff] [blame] | 472 | if (synaptics_firmware_id(psmouse)) |
| 473 | return -1; |
Benjamin Tissoires | 06aa374 | 2015-03-08 22:34:03 -0700 | [diff] [blame] | 474 | if (synaptics_query_modes(psmouse)) |
Daniel Kurtz | c6bd9d4 | 2012-07-07 18:08:51 -0700 | [diff] [blame] | 475 | return -1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 476 | if (synaptics_capability(psmouse)) |
| 477 | return -1; |
Tero Saarni | ec20a02 | 2009-06-10 23:27:24 -0700 | [diff] [blame] | 478 | if (synaptics_resolution(psmouse)) |
| 479 | return -1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 480 | |
Daniel Martin | 8b04bab | 2015-03-08 22:27:37 -0700 | [diff] [blame] | 481 | synaptics_apply_quirks(psmouse); |
| 482 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 483 | return 0; |
| 484 | } |
| 485 | |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 486 | static int synaptics_set_advanced_gesture_mode(struct psmouse *psmouse) |
| 487 | { |
| 488 | static unsigned char param = 0xc8; |
| 489 | struct synaptics_data *priv = psmouse->private; |
| 490 | |
Benjamin Herrenschmidt | 899c612 | 2012-04-20 22:34:49 -0700 | [diff] [blame] | 491 | if (!(SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) || |
| 492 | SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c))) |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 493 | return 0; |
| 494 | |
| 495 | if (psmouse_sliced_command(psmouse, SYN_QUE_MODEL)) |
| 496 | return -1; |
| 497 | |
| 498 | if (ps2_command(&psmouse->ps2dev, ¶m, PSMOUSE_CMD_SETRATE)) |
| 499 | return -1; |
| 500 | |
| 501 | /* Advanced gesture mode also sends multi finger data */ |
| 502 | priv->capabilities |= BIT(1); |
| 503 | |
| 504 | return 0; |
| 505 | } |
| 506 | |
| 507 | static int synaptics_set_mode(struct psmouse *psmouse) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 508 | { |
| 509 | struct synaptics_data *priv = psmouse->private; |
| 510 | |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 511 | priv->mode = 0; |
| 512 | if (priv->absolute_mode) |
| 513 | priv->mode |= SYN_BIT_ABSOLUTE_MODE; |
| 514 | if (priv->disable_gesture) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 515 | priv->mode |= SYN_BIT_DISABLE_GESTURE; |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 516 | if (psmouse->rate >= 80) |
| 517 | priv->mode |= SYN_BIT_HIGH_RATE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 518 | if (SYN_CAP_EXTENDED(priv->capabilities)) |
| 519 | priv->mode |= SYN_BIT_W_MODE; |
| 520 | |
| 521 | if (synaptics_mode_cmd(psmouse, priv->mode)) |
| 522 | return -1; |
| 523 | |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 524 | if (priv->absolute_mode && |
| 525 | synaptics_set_advanced_gesture_mode(psmouse)) { |
| 526 | psmouse_err(psmouse, "Advanced gesture mode init failed.\n"); |
| 527 | return -1; |
| 528 | } |
| 529 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 530 | return 0; |
| 531 | } |
| 532 | |
| 533 | static void synaptics_set_rate(struct psmouse *psmouse, unsigned int rate) |
| 534 | { |
| 535 | struct synaptics_data *priv = psmouse->private; |
| 536 | |
| 537 | if (rate >= 80) { |
| 538 | priv->mode |= SYN_BIT_HIGH_RATE; |
| 539 | psmouse->rate = 80; |
| 540 | } else { |
| 541 | priv->mode &= ~SYN_BIT_HIGH_RATE; |
| 542 | psmouse->rate = 40; |
| 543 | } |
| 544 | |
| 545 | synaptics_mode_cmd(psmouse, priv->mode); |
| 546 | } |
| 547 | |
| 548 | /***************************************************************************** |
| 549 | * Synaptics pass-through PS/2 port support |
| 550 | ****************************************************************************/ |
| 551 | static int synaptics_pt_write(struct serio *serio, unsigned char c) |
| 552 | { |
| 553 | struct psmouse *parent = serio_get_drvdata(serio->parent); |
| 554 | char rate_param = SYN_PS_CLIENT_CMD; /* indicates that we want pass-through port */ |
| 555 | |
| 556 | if (psmouse_sliced_command(parent, c)) |
| 557 | return -1; |
| 558 | if (ps2_command(&parent->ps2dev, &rate_param, PSMOUSE_CMD_SETRATE)) |
| 559 | return -1; |
| 560 | return 0; |
| 561 | } |
| 562 | |
Dmitry Torokhov | a8b3c0f | 2010-10-04 21:46:10 -0700 | [diff] [blame] | 563 | static int synaptics_pt_start(struct serio *serio) |
| 564 | { |
| 565 | struct psmouse *parent = serio_get_drvdata(serio->parent); |
| 566 | struct synaptics_data *priv = parent->private; |
| 567 | |
| 568 | serio_pause_rx(parent->ps2dev.serio); |
| 569 | priv->pt_port = serio; |
| 570 | serio_continue_rx(parent->ps2dev.serio); |
| 571 | |
| 572 | return 0; |
| 573 | } |
| 574 | |
| 575 | static void synaptics_pt_stop(struct serio *serio) |
| 576 | { |
| 577 | struct psmouse *parent = serio_get_drvdata(serio->parent); |
| 578 | struct synaptics_data *priv = parent->private; |
| 579 | |
| 580 | serio_pause_rx(parent->ps2dev.serio); |
| 581 | priv->pt_port = NULL; |
| 582 | serio_continue_rx(parent->ps2dev.serio); |
| 583 | } |
| 584 | |
| 585 | static int synaptics_is_pt_packet(unsigned char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 586 | { |
| 587 | return (buf[0] & 0xFC) == 0x84 && (buf[3] & 0xCC) == 0xC4; |
| 588 | } |
| 589 | |
Benjamin Tissoires | cdd9dc1 | 2015-03-08 22:35:41 -0700 | [diff] [blame] | 590 | static void synaptics_pass_pt_packet(struct psmouse *psmouse, |
| 591 | struct serio *ptport, |
| 592 | unsigned char *packet) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 593 | { |
Benjamin Tissoires | cdd9dc1 | 2015-03-08 22:35:41 -0700 | [diff] [blame] | 594 | struct synaptics_data *priv = psmouse->private; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 595 | struct psmouse *child = serio_get_drvdata(ptport); |
| 596 | |
| 597 | if (child && child->state == PSMOUSE_ACTIVATED) { |
Benjamin Tissoires | cdd9dc1 | 2015-03-08 22:35:41 -0700 | [diff] [blame] | 598 | serio_interrupt(ptport, packet[1] | priv->pt_buttons, 0); |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 599 | serio_interrupt(ptport, packet[4], 0); |
| 600 | serio_interrupt(ptport, packet[5], 0); |
Sergey Vlasov | 33fdfa9 | 2005-07-24 00:53:32 -0500 | [diff] [blame] | 601 | if (child->pktsize == 4) |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 602 | serio_interrupt(ptport, packet[2], 0); |
Benjamin Tissoires | cdd9dc1 | 2015-03-08 22:35:41 -0700 | [diff] [blame] | 603 | } else { |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 604 | serio_interrupt(ptport, packet[1], 0); |
Benjamin Tissoires | cdd9dc1 | 2015-03-08 22:35:41 -0700 | [diff] [blame] | 605 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 606 | } |
| 607 | |
| 608 | static void synaptics_pt_activate(struct psmouse *psmouse) |
| 609 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 610 | struct synaptics_data *priv = psmouse->private; |
Dmitry Torokhov | a8b3c0f | 2010-10-04 21:46:10 -0700 | [diff] [blame] | 611 | struct psmouse *child = serio_get_drvdata(priv->pt_port); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 612 | |
| 613 | /* adjust the touchpad to child's choice of protocol */ |
| 614 | if (child) { |
Sergey Vlasov | 33fdfa9 | 2005-07-24 00:53:32 -0500 | [diff] [blame] | 615 | if (child->pktsize == 4) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 616 | priv->mode |= SYN_BIT_FOUR_BYTE_CLIENT; |
| 617 | else |
| 618 | priv->mode &= ~SYN_BIT_FOUR_BYTE_CLIENT; |
| 619 | |
| 620 | if (synaptics_mode_cmd(psmouse, priv->mode)) |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 621 | psmouse_warn(psmouse, |
| 622 | "failed to switch guest protocol\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 623 | } |
| 624 | } |
| 625 | |
| 626 | static void synaptics_pt_create(struct psmouse *psmouse) |
| 627 | { |
| 628 | struct serio *serio; |
| 629 | |
Eric Sesterhenn | b39787a | 2006-03-14 00:09:16 -0500 | [diff] [blame] | 630 | serio = kzalloc(sizeof(struct serio), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 631 | if (!serio) { |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 632 | psmouse_err(psmouse, |
| 633 | "not enough memory for pass-through port\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 634 | return; |
| 635 | } |
| 636 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 637 | serio->id.type = SERIO_PS_PSTHRU; |
| 638 | strlcpy(serio->name, "Synaptics pass-through", sizeof(serio->name)); |
| 639 | strlcpy(serio->phys, "synaptics-pt/serio0", sizeof(serio->name)); |
| 640 | serio->write = synaptics_pt_write; |
Dmitry Torokhov | a8b3c0f | 2010-10-04 21:46:10 -0700 | [diff] [blame] | 641 | serio->start = synaptics_pt_start; |
| 642 | serio->stop = synaptics_pt_stop; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 643 | serio->parent = psmouse->ps2dev.serio; |
| 644 | |
| 645 | psmouse->pt_activate = synaptics_pt_activate; |
| 646 | |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 647 | psmouse_info(psmouse, "serio: %s port at %s\n", |
| 648 | serio->name, psmouse->phys); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 649 | serio_register_port(serio); |
| 650 | } |
| 651 | |
| 652 | /***************************************************************************** |
| 653 | * Functions to interpret the absolute mode packets |
| 654 | ****************************************************************************/ |
| 655 | |
Daniel Kurtz | 7afdb84 | 2011-08-23 23:00:33 -0700 | [diff] [blame] | 656 | static void synaptics_parse_agm(const unsigned char buf[], |
Daniel Kurtz | a6ca40c | 2011-08-23 23:02:31 -0700 | [diff] [blame] | 657 | struct synaptics_data *priv, |
| 658 | struct synaptics_hw_state *hw) |
Daniel Kurtz | 7afdb84 | 2011-08-23 23:00:33 -0700 | [diff] [blame] | 659 | { |
| 660 | struct synaptics_hw_state *agm = &priv->agm; |
Daniel Kurtz | a6ca40c | 2011-08-23 23:02:31 -0700 | [diff] [blame] | 661 | int agm_packet_type; |
Daniel Kurtz | 7afdb84 | 2011-08-23 23:00:33 -0700 | [diff] [blame] | 662 | |
Daniel Kurtz | a6ca40c | 2011-08-23 23:02:31 -0700 | [diff] [blame] | 663 | agm_packet_type = (buf[5] & 0x30) >> 4; |
| 664 | switch (agm_packet_type) { |
| 665 | case 1: |
| 666 | /* Gesture packet: (x, y, z) half resolution */ |
| 667 | agm->w = hw->w; |
| 668 | agm->x = (((buf[4] & 0x0f) << 8) | buf[1]) << 1; |
| 669 | agm->y = (((buf[4] & 0xf0) << 4) | buf[2]) << 1; |
| 670 | agm->z = ((buf[3] & 0x30) | (buf[5] & 0x0f)) << 1; |
| 671 | break; |
| 672 | |
| 673 | case 2: |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 674 | /* AGM-CONTACT packet: we are only interested in the count */ |
| 675 | priv->agm_count = buf[1]; |
Daniel Kurtz | a6ca40c | 2011-08-23 23:02:31 -0700 | [diff] [blame] | 676 | break; |
| 677 | |
| 678 | default: |
| 679 | break; |
| 680 | } |
Daniel Kurtz | 7afdb84 | 2011-08-23 23:00:33 -0700 | [diff] [blame] | 681 | } |
| 682 | |
Dmitry Torokhov | dc5465d | 2015-03-08 22:30:43 -0700 | [diff] [blame] | 683 | static void synaptics_parse_ext_buttons(const unsigned char buf[], |
| 684 | struct synaptics_data *priv, |
| 685 | struct synaptics_hw_state *hw) |
| 686 | { |
| 687 | unsigned int ext_bits = |
| 688 | (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) + 1) >> 1; |
| 689 | unsigned int ext_mask = GENMASK(ext_bits - 1, 0); |
| 690 | |
| 691 | hw->ext_buttons = buf[4] & ext_mask; |
| 692 | hw->ext_buttons |= (buf[5] & ext_mask) << ext_bits; |
| 693 | } |
| 694 | |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 695 | static int synaptics_parse_hw_state(const unsigned char buf[], |
| 696 | struct synaptics_data *priv, |
| 697 | struct synaptics_hw_state *hw) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 698 | { |
| 699 | memset(hw, 0, sizeof(struct synaptics_hw_state)); |
| 700 | |
| 701 | if (SYN_MODEL_NEWABS(priv->model_id)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 702 | hw->w = (((buf[0] & 0x30) >> 2) | |
| 703 | ((buf[0] & 0x04) >> 1) | |
| 704 | ((buf[3] & 0x04) >> 2)); |
| 705 | |
Dmitry Torokhov | 5715fc7 | 2014-08-30 13:51:06 -0700 | [diff] [blame] | 706 | if ((SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) || |
| 707 | SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) && |
| 708 | hw->w == 2) { |
| 709 | synaptics_parse_agm(buf, priv, hw); |
| 710 | return 1; |
| 711 | } |
| 712 | |
| 713 | hw->x = (((buf[3] & 0x10) << 8) | |
| 714 | ((buf[1] & 0x0f) << 8) | |
| 715 | buf[4]); |
| 716 | hw->y = (((buf[3] & 0x20) << 7) | |
| 717 | ((buf[1] & 0xf0) << 4) | |
| 718 | buf[5]); |
| 719 | hw->z = buf[2]; |
| 720 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 721 | hw->left = (buf[0] & 0x01) ? 1 : 0; |
| 722 | hw->right = (buf[0] & 0x02) ? 1 : 0; |
| 723 | |
Dmitry Torokhov | de4e374 | 2014-12-29 14:43:44 -0800 | [diff] [blame] | 724 | if (priv->is_forcepad) { |
Dmitry Torokhov | 5715fc7 | 2014-08-30 13:51:06 -0700 | [diff] [blame] | 725 | /* |
| 726 | * ForcePads, like Clickpads, use middle button |
| 727 | * bits to report primary button clicks. |
| 728 | * Unfortunately they report primary button not |
| 729 | * only when user presses on the pad above certain |
| 730 | * threshold, but also when there are more than one |
| 731 | * finger on the touchpad, which interferes with |
| 732 | * out multi-finger gestures. |
| 733 | */ |
| 734 | if (hw->z == 0) { |
| 735 | /* No contacts */ |
| 736 | priv->press = priv->report_press = false; |
| 737 | } else if (hw->w >= 4 && ((buf[0] ^ buf[3]) & 0x01)) { |
| 738 | /* |
| 739 | * Single-finger touch with pressure above |
| 740 | * the threshold. If pressure stays long |
| 741 | * enough, we'll start reporting primary |
| 742 | * button. We rely on the device continuing |
| 743 | * sending data even if finger does not |
| 744 | * move. |
| 745 | */ |
| 746 | if (!priv->press) { |
| 747 | priv->press_start = jiffies; |
| 748 | priv->press = true; |
| 749 | } else if (time_after(jiffies, |
| 750 | priv->press_start + |
| 751 | msecs_to_jiffies(50))) { |
| 752 | priv->report_press = true; |
| 753 | } |
| 754 | } else { |
| 755 | priv->press = false; |
| 756 | } |
| 757 | |
| 758 | hw->left = priv->report_press; |
| 759 | |
| 760 | } else if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) { |
Takashi Iwai | 5f57d67 | 2010-04-19 10:37:21 -0700 | [diff] [blame] | 761 | /* |
| 762 | * Clickpad's button is transmitted as middle button, |
| 763 | * however, since it is primary button, we will report |
| 764 | * it as BTN_LEFT. |
| 765 | */ |
| 766 | hw->left = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0; |
| 767 | |
| 768 | } else if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 769 | hw->middle = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0; |
| 770 | if (hw->w == 2) |
| 771 | hw->scroll = (signed char)(buf[1]); |
| 772 | } |
| 773 | |
| 774 | if (SYN_CAP_FOUR_BUTTON(priv->capabilities)) { |
| 775 | hw->up = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0; |
| 776 | hw->down = ((buf[0] ^ buf[3]) & 0x02) ? 1 : 0; |
| 777 | } |
| 778 | |
Dmitry Torokhov | dc5465d | 2015-03-08 22:30:43 -0700 | [diff] [blame] | 779 | if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) > 0 && |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 780 | ((buf[0] ^ buf[3]) & 0x02)) { |
Dmitry Torokhov | dc5465d | 2015-03-08 22:30:43 -0700 | [diff] [blame] | 781 | synaptics_parse_ext_buttons(buf, priv, hw); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 782 | } |
| 783 | } else { |
| 784 | hw->x = (((buf[1] & 0x1f) << 8) | buf[2]); |
| 785 | hw->y = (((buf[4] & 0x1f) << 8) | buf[5]); |
| 786 | |
| 787 | hw->z = (((buf[0] & 0x30) << 2) | (buf[3] & 0x3F)); |
| 788 | hw->w = (((buf[1] & 0x80) >> 4) | ((buf[0] & 0x04) >> 1)); |
| 789 | |
| 790 | hw->left = (buf[0] & 0x01) ? 1 : 0; |
| 791 | hw->right = (buf[0] & 0x02) ? 1 : 0; |
| 792 | } |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 793 | |
Seth Forshee | 824efd3 | 2012-09-28 10:29:21 -0700 | [diff] [blame] | 794 | /* |
| 795 | * Convert wrap-around values to negative. (X|Y)_MAX_POSITIVE |
| 796 | * is used by some firmware to indicate a finger at the edge of |
| 797 | * the touchpad whose precise position cannot be determined, so |
| 798 | * convert these values to the maximum axis value. |
| 799 | */ |
Seth Forshee | c0394506 | 2012-07-24 23:54:11 -0700 | [diff] [blame] | 800 | if (hw->x > X_MAX_POSITIVE) |
| 801 | hw->x -= 1 << ABS_POS_BITS; |
Seth Forshee | 824efd3 | 2012-09-28 10:29:21 -0700 | [diff] [blame] | 802 | else if (hw->x == X_MAX_POSITIVE) |
| 803 | hw->x = XMAX; |
| 804 | |
Seth Forshee | c0394506 | 2012-07-24 23:54:11 -0700 | [diff] [blame] | 805 | if (hw->y > Y_MAX_POSITIVE) |
| 806 | hw->y -= 1 << ABS_POS_BITS; |
Seth Forshee | 824efd3 | 2012-09-28 10:29:21 -0700 | [diff] [blame] | 807 | else if (hw->y == Y_MAX_POSITIVE) |
| 808 | hw->y = YMAX; |
Seth Forshee | c0394506 | 2012-07-24 23:54:11 -0700 | [diff] [blame] | 809 | |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 810 | return 0; |
| 811 | } |
| 812 | |
Daniel Kurtz | bea9f0f | 2011-07-06 22:42:52 -0700 | [diff] [blame] | 813 | static void synaptics_report_semi_mt_slot(struct input_dev *dev, int slot, |
| 814 | bool active, int x, int y) |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 815 | { |
| 816 | input_mt_slot(dev, slot); |
| 817 | input_mt_report_slot_state(dev, MT_TOOL_FINGER, active); |
| 818 | if (active) { |
| 819 | input_report_abs(dev, ABS_MT_POSITION_X, x); |
Daniel Kurtz | 6de58dd | 2011-08-23 23:00:24 -0700 | [diff] [blame] | 820 | input_report_abs(dev, ABS_MT_POSITION_Y, synaptics_invert_y(y)); |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 821 | } |
| 822 | } |
| 823 | |
| 824 | static void synaptics_report_semi_mt_data(struct input_dev *dev, |
| 825 | const struct synaptics_hw_state *a, |
| 826 | const struct synaptics_hw_state *b, |
| 827 | int num_fingers) |
| 828 | { |
| 829 | if (num_fingers >= 2) { |
Daniel Kurtz | bea9f0f | 2011-07-06 22:42:52 -0700 | [diff] [blame] | 830 | synaptics_report_semi_mt_slot(dev, 0, true, min(a->x, b->x), |
| 831 | min(a->y, b->y)); |
| 832 | synaptics_report_semi_mt_slot(dev, 1, true, max(a->x, b->x), |
| 833 | max(a->y, b->y)); |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 834 | } else if (num_fingers == 1) { |
Daniel Kurtz | bea9f0f | 2011-07-06 22:42:52 -0700 | [diff] [blame] | 835 | synaptics_report_semi_mt_slot(dev, 0, true, a->x, a->y); |
| 836 | synaptics_report_semi_mt_slot(dev, 1, false, 0, 0); |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 837 | } else { |
Daniel Kurtz | bea9f0f | 2011-07-06 22:42:52 -0700 | [diff] [blame] | 838 | synaptics_report_semi_mt_slot(dev, 0, false, 0, 0); |
| 839 | synaptics_report_semi_mt_slot(dev, 1, false, 0, 0); |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 840 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 841 | } |
| 842 | |
Benjamin Tissoires | ebc8084 | 2015-03-08 22:32:43 -0700 | [diff] [blame] | 843 | static void synaptics_report_ext_buttons(struct psmouse *psmouse, |
| 844 | const struct synaptics_hw_state *hw) |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 845 | { |
| 846 | struct input_dev *dev = psmouse->dev; |
| 847 | struct synaptics_data *priv = psmouse->private; |
Dmitry Torokhov | dc5465d | 2015-03-08 22:30:43 -0700 | [diff] [blame] | 848 | int ext_bits = (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) + 1) >> 1; |
Benjamin Tissoires | cdd9dc1 | 2015-03-08 22:35:41 -0700 | [diff] [blame] | 849 | char buf[6] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 850 | int i; |
| 851 | |
Benjamin Tissoires | ebc8084 | 2015-03-08 22:32:43 -0700 | [diff] [blame] | 852 | if (!SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap)) |
| 853 | return; |
| 854 | |
| 855 | /* Bug in FW 8.1, buttons are reported only when ExtBit is 1 */ |
| 856 | if (SYN_ID_FULL(priv->identity) == 0x801 && |
| 857 | !((psmouse->packet[0] ^ psmouse->packet[3]) & 0x02)) |
| 858 | return; |
| 859 | |
Benjamin Tissoires | cdd9dc1 | 2015-03-08 22:35:41 -0700 | [diff] [blame] | 860 | if (!SYN_CAP_EXT_BUTTONS_STICK(priv->ext_cap_10)) { |
| 861 | for (i = 0; i < ext_bits; i++) { |
| 862 | input_report_key(dev, BTN_0 + 2 * i, |
| 863 | hw->ext_buttons & (1 << i)); |
| 864 | input_report_key(dev, BTN_1 + 2 * i, |
| 865 | hw->ext_buttons & (1 << (i + ext_bits))); |
| 866 | } |
| 867 | return; |
Benjamin Tissoires | ebc8084 | 2015-03-08 22:32:43 -0700 | [diff] [blame] | 868 | } |
Benjamin Tissoires | cdd9dc1 | 2015-03-08 22:35:41 -0700 | [diff] [blame] | 869 | |
| 870 | /* |
| 871 | * This generation of touchpads has the trackstick buttons |
| 872 | * physically wired to the touchpad. Re-route them through |
| 873 | * the pass-through interface. |
| 874 | */ |
| 875 | if (!priv->pt_port) |
| 876 | return; |
| 877 | |
| 878 | /* The trackstick expects at most 3 buttons */ |
| 879 | priv->pt_buttons = SYN_CAP_EXT_BUTTON_STICK_L(hw->ext_buttons) | |
| 880 | SYN_CAP_EXT_BUTTON_STICK_R(hw->ext_buttons) << 1 | |
| 881 | SYN_CAP_EXT_BUTTON_STICK_M(hw->ext_buttons) << 2; |
| 882 | |
| 883 | synaptics_pass_pt_packet(psmouse, priv->pt_port, buf); |
Benjamin Tissoires | ebc8084 | 2015-03-08 22:32:43 -0700 | [diff] [blame] | 884 | } |
| 885 | |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 886 | static void synaptics_report_buttons(struct psmouse *psmouse, |
| 887 | const struct synaptics_hw_state *hw) |
| 888 | { |
| 889 | struct input_dev *dev = psmouse->dev; |
| 890 | struct synaptics_data *priv = psmouse->private; |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 891 | |
| 892 | input_report_key(dev, BTN_LEFT, hw->left); |
| 893 | input_report_key(dev, BTN_RIGHT, hw->right); |
| 894 | |
| 895 | if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) |
| 896 | input_report_key(dev, BTN_MIDDLE, hw->middle); |
| 897 | |
| 898 | if (SYN_CAP_FOUR_BUTTON(priv->capabilities)) { |
| 899 | input_report_key(dev, BTN_FORWARD, hw->up); |
| 900 | input_report_key(dev, BTN_BACK, hw->down); |
| 901 | } |
| 902 | |
Benjamin Tissoires | ebc8084 | 2015-03-08 22:32:43 -0700 | [diff] [blame] | 903 | synaptics_report_ext_buttons(psmouse, hw); |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 904 | } |
| 905 | |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 906 | static void synaptics_report_mt_data(struct psmouse *psmouse, |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 907 | const struct synaptics_hw_state *sgm, |
| 908 | int num_fingers) |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 909 | { |
| 910 | struct input_dev *dev = psmouse->dev; |
| 911 | struct synaptics_data *priv = psmouse->private; |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 912 | const struct synaptics_hw_state *hw[2] = { sgm, &priv->agm }; |
| 913 | struct input_mt_pos pos[2]; |
| 914 | int slot[2], nsemi, i; |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 915 | |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 916 | nsemi = clamp_val(num_fingers, 0, 2); |
Daniel Kurtz | 4dc772d | 2011-08-23 23:02:40 -0700 | [diff] [blame] | 917 | |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 918 | for (i = 0; i < nsemi; i++) { |
| 919 | pos[i].x = hw[i]->x; |
| 920 | pos[i].y = synaptics_invert_y(hw[i]->y); |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 921 | } |
| 922 | |
Benjamin Tissoires | 58fd9af | 2015-04-05 13:44:12 -0700 | [diff] [blame^] | 923 | input_mt_assign_slots(dev, slot, pos, nsemi, DMAX * priv->x_res); |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 924 | |
| 925 | for (i = 0; i < nsemi; i++) { |
| 926 | input_mt_slot(dev, slot[i]); |
| 927 | input_mt_report_slot_state(dev, MT_TOOL_FINGER, true); |
| 928 | input_report_abs(dev, ABS_MT_POSITION_X, pos[i].x); |
| 929 | input_report_abs(dev, ABS_MT_POSITION_Y, pos[i].y); |
| 930 | input_report_abs(dev, ABS_MT_PRESSURE, hw[i]->z); |
| 931 | } |
| 932 | |
| 933 | input_mt_drop_unused(dev); |
| 934 | |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 935 | /* Don't use active slot count to generate BTN_TOOL events. */ |
| 936 | input_mt_report_pointer_emulation(dev, false); |
| 937 | |
| 938 | /* Send the number of fingers reported by touchpad itself. */ |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 939 | input_mt_report_finger_count(dev, num_fingers); |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 940 | |
| 941 | synaptics_report_buttons(psmouse, sgm); |
| 942 | |
| 943 | input_sync(dev); |
| 944 | } |
| 945 | |
| 946 | static void synaptics_image_sensor_process(struct psmouse *psmouse, |
| 947 | struct synaptics_hw_state *sgm) |
| 948 | { |
Daniel Kurtz | 4dc772d | 2011-08-23 23:02:40 -0700 | [diff] [blame] | 949 | struct synaptics_data *priv = psmouse->private; |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 950 | int num_fingers; |
Daniel Kurtz | 4dc772d | 2011-08-23 23:02:40 -0700 | [diff] [blame] | 951 | |
| 952 | /* |
| 953 | * Update mt_state using the new finger count and current mt_state. |
| 954 | */ |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 955 | if (sgm->z == 0) |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 956 | num_fingers = 0; |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 957 | else if (sgm->w >= 4) |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 958 | num_fingers = 1; |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 959 | else if (sgm->w == 0) |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 960 | num_fingers = 2; |
| 961 | else if (sgm->w == 1) |
| 962 | num_fingers = priv->agm_count ? priv->agm_count : 3; |
Daniel Kurtz | 6b4b49f | 2011-08-23 23:02:56 -0700 | [diff] [blame] | 963 | else |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 964 | num_fingers = 4; |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 965 | |
| 966 | /* Send resulting input events to user space */ |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 967 | synaptics_report_mt_data(psmouse, sgm, num_fingers); |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 968 | } |
| 969 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 970 | /* |
| 971 | * called for each full received packet from the touchpad |
| 972 | */ |
| 973 | static void synaptics_process_packet(struct psmouse *psmouse) |
| 974 | { |
Dmitry Torokhov | 2e5b636 | 2005-09-15 02:01:44 -0500 | [diff] [blame] | 975 | struct input_dev *dev = psmouse->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 976 | struct synaptics_data *priv = psmouse->private; |
| 977 | struct synaptics_hw_state hw; |
| 978 | int num_fingers; |
| 979 | int finger_width; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 980 | |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 981 | if (synaptics_parse_hw_state(psmouse->packet, priv, &hw)) |
| 982 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 983 | |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 984 | if (SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) { |
| 985 | synaptics_image_sensor_process(psmouse, &hw); |
| 986 | return; |
| 987 | } |
| 988 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 989 | if (hw.scroll) { |
| 990 | priv->scroll += hw.scroll; |
| 991 | |
| 992 | while (priv->scroll >= 4) { |
| 993 | input_report_key(dev, BTN_BACK, !hw.down); |
| 994 | input_sync(dev); |
| 995 | input_report_key(dev, BTN_BACK, hw.down); |
| 996 | input_sync(dev); |
| 997 | priv->scroll -= 4; |
| 998 | } |
| 999 | while (priv->scroll <= -4) { |
| 1000 | input_report_key(dev, BTN_FORWARD, !hw.up); |
| 1001 | input_sync(dev); |
| 1002 | input_report_key(dev, BTN_FORWARD, hw.up); |
| 1003 | input_sync(dev); |
| 1004 | priv->scroll += 4; |
| 1005 | } |
| 1006 | return; |
| 1007 | } |
| 1008 | |
Henrik Rydberg | 4f56ce9 | 2010-12-18 15:42:30 +0100 | [diff] [blame] | 1009 | if (hw.z > 0 && hw.x > 1) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1010 | num_fingers = 1; |
| 1011 | finger_width = 5; |
| 1012 | if (SYN_CAP_EXTENDED(priv->capabilities)) { |
| 1013 | switch (hw.w) { |
| 1014 | case 0 ... 1: |
| 1015 | if (SYN_CAP_MULTIFINGER(priv->capabilities)) |
| 1016 | num_fingers = hw.w + 2; |
| 1017 | break; |
| 1018 | case 2: |
| 1019 | if (SYN_MODEL_PEN(priv->model_id)) |
| 1020 | ; /* Nothing, treat a pen as a single finger */ |
| 1021 | break; |
| 1022 | case 4 ... 15: |
| 1023 | if (SYN_CAP_PALMDETECT(priv->capabilities)) |
| 1024 | finger_width = hw.w; |
| 1025 | break; |
| 1026 | } |
| 1027 | } |
| 1028 | } else { |
| 1029 | num_fingers = 0; |
| 1030 | finger_width = 0; |
| 1031 | } |
| 1032 | |
Henrik Rydberg | e08d9af | 2014-07-14 10:26:56 -0700 | [diff] [blame] | 1033 | if (cr48_profile_sensor) { |
Benjamin Tissoires | aa104b1 | 2014-12-29 14:17:44 -0800 | [diff] [blame] | 1034 | synaptics_report_mt_data(psmouse, &hw, num_fingers); |
Henrik Rydberg | e08d9af | 2014-07-14 10:26:56 -0700 | [diff] [blame] | 1035 | return; |
| 1036 | } |
| 1037 | |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 1038 | if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) |
Daniel Kurtz | 7afdb84 | 2011-08-23 23:00:33 -0700 | [diff] [blame] | 1039 | synaptics_report_semi_mt_data(dev, &hw, &priv->agm, |
| 1040 | num_fingers); |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 1041 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1042 | /* Post events |
| 1043 | * BTN_TOUCH has to be first as mousedev relies on it when doing |
| 1044 | * absolute -> relative conversion |
| 1045 | */ |
| 1046 | if (hw.z > 30) input_report_key(dev, BTN_TOUCH, 1); |
| 1047 | if (hw.z < 25) input_report_key(dev, BTN_TOUCH, 0); |
| 1048 | |
Henrik Rydberg | 4f56ce9 | 2010-12-18 15:42:30 +0100 | [diff] [blame] | 1049 | if (num_fingers > 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1050 | input_report_abs(dev, ABS_X, hw.x); |
Daniel Kurtz | 6de58dd | 2011-08-23 23:00:24 -0700 | [diff] [blame] | 1051 | input_report_abs(dev, ABS_Y, synaptics_invert_y(hw.y)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1052 | } |
| 1053 | input_report_abs(dev, ABS_PRESSURE, hw.z); |
| 1054 | |
Chris Bagwell | 2a8e771 | 2010-07-19 09:06:15 -0700 | [diff] [blame] | 1055 | if (SYN_CAP_PALMDETECT(priv->capabilities)) |
| 1056 | input_report_abs(dev, ABS_TOOL_WIDTH, finger_width); |
| 1057 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1058 | input_report_key(dev, BTN_TOOL_FINGER, num_fingers == 1); |
Peter Hutterer | e42b664 | 2008-11-20 15:24:42 -0500 | [diff] [blame] | 1059 | if (SYN_CAP_MULTIFINGER(priv->capabilities)) { |
| 1060 | input_report_key(dev, BTN_TOOL_DOUBLETAP, num_fingers == 2); |
| 1061 | input_report_key(dev, BTN_TOOL_TRIPLETAP, num_fingers == 3); |
| 1062 | } |
| 1063 | |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 1064 | synaptics_report_buttons(psmouse, &hw); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1065 | |
| 1066 | input_sync(dev); |
| 1067 | } |
| 1068 | |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 1069 | static int synaptics_validate_byte(struct psmouse *psmouse, |
| 1070 | int idx, unsigned char pkt_type) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1071 | { |
Helge Deller | e38de67 | 2006-09-10 21:54:39 -0400 | [diff] [blame] | 1072 | static const unsigned char newabs_mask[] = { 0xC8, 0x00, 0x00, 0xC8, 0x00 }; |
| 1073 | static const unsigned char newabs_rel_mask[] = { 0xC0, 0x00, 0x00, 0xC0, 0x00 }; |
| 1074 | static const unsigned char newabs_rslt[] = { 0x80, 0x00, 0x00, 0xC0, 0x00 }; |
| 1075 | static const unsigned char oldabs_mask[] = { 0xC0, 0x60, 0x00, 0xC0, 0x60 }; |
| 1076 | static const unsigned char oldabs_rslt[] = { 0xC0, 0x00, 0x00, 0x80, 0x00 }; |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 1077 | const char *packet = psmouse->packet; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1078 | |
| 1079 | if (idx < 0 || idx > 4) |
| 1080 | return 0; |
| 1081 | |
| 1082 | switch (pkt_type) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1083 | |
Dmitry Torokhov | a62f0d2 | 2010-05-19 10:39:17 -0700 | [diff] [blame] | 1084 | case SYN_NEWABS: |
| 1085 | case SYN_NEWABS_RELAXED: |
| 1086 | return (packet[idx] & newabs_rel_mask[idx]) == newabs_rslt[idx]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1087 | |
Dmitry Torokhov | a62f0d2 | 2010-05-19 10:39:17 -0700 | [diff] [blame] | 1088 | case SYN_NEWABS_STRICT: |
| 1089 | return (packet[idx] & newabs_mask[idx]) == newabs_rslt[idx]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1090 | |
Dmitry Torokhov | a62f0d2 | 2010-05-19 10:39:17 -0700 | [diff] [blame] | 1091 | case SYN_OLDABS: |
| 1092 | return (packet[idx] & oldabs_mask[idx]) == oldabs_rslt[idx]; |
| 1093 | |
| 1094 | default: |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 1095 | psmouse_err(psmouse, "unknown packet type %d\n", pkt_type); |
Dmitry Torokhov | a62f0d2 | 2010-05-19 10:39:17 -0700 | [diff] [blame] | 1096 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1097 | } |
| 1098 | } |
| 1099 | |
| 1100 | static unsigned char synaptics_detect_pkt_type(struct psmouse *psmouse) |
| 1101 | { |
| 1102 | int i; |
| 1103 | |
| 1104 | for (i = 0; i < 5; i++) |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 1105 | if (!synaptics_validate_byte(psmouse, i, SYN_NEWABS_STRICT)) { |
| 1106 | psmouse_info(psmouse, "using relaxed packet validation\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1107 | return SYN_NEWABS_RELAXED; |
| 1108 | } |
| 1109 | |
| 1110 | return SYN_NEWABS_STRICT; |
| 1111 | } |
| 1112 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 1113 | static psmouse_ret_t synaptics_process_byte(struct psmouse *psmouse) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1114 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1115 | struct synaptics_data *priv = psmouse->private; |
| 1116 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1117 | if (psmouse->pktcnt >= 6) { /* Full packet received */ |
| 1118 | if (unlikely(priv->pkt_type == SYN_NEWABS)) |
| 1119 | priv->pkt_type = synaptics_detect_pkt_type(psmouse); |
| 1120 | |
Dmitry Torokhov | a8b3c0f | 2010-10-04 21:46:10 -0700 | [diff] [blame] | 1121 | if (SYN_CAP_PASS_THROUGH(priv->capabilities) && |
| 1122 | synaptics_is_pt_packet(psmouse->packet)) { |
| 1123 | if (priv->pt_port) |
Benjamin Tissoires | cdd9dc1 | 2015-03-08 22:35:41 -0700 | [diff] [blame] | 1124 | synaptics_pass_pt_packet(psmouse, priv->pt_port, |
| 1125 | psmouse->packet); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1126 | } else |
| 1127 | synaptics_process_packet(psmouse); |
| 1128 | |
| 1129 | return PSMOUSE_FULL_PACKET; |
| 1130 | } |
| 1131 | |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 1132 | return synaptics_validate_byte(psmouse, psmouse->pktcnt - 1, priv->pkt_type) ? |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1133 | PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA; |
| 1134 | } |
| 1135 | |
| 1136 | /***************************************************************************** |
| 1137 | * Driver initialization/cleanup functions |
| 1138 | ****************************************************************************/ |
Daniel Kurtz | 8561547 | 2011-08-23 23:00:41 -0700 | [diff] [blame] | 1139 | static void set_abs_position_params(struct input_dev *dev, |
| 1140 | struct synaptics_data *priv, int x_code, |
| 1141 | int y_code) |
| 1142 | { |
| 1143 | int x_min = priv->x_min ?: XMIN_NOMINAL; |
| 1144 | int x_max = priv->x_max ?: XMAX_NOMINAL; |
| 1145 | int y_min = priv->y_min ?: YMIN_NOMINAL; |
| 1146 | int y_max = priv->y_max ?: YMAX_NOMINAL; |
| 1147 | int fuzz = SYN_CAP_REDUCED_FILTERING(priv->ext_cap_0c) ? |
| 1148 | SYN_REDUCED_FILTER_FUZZ : 0; |
| 1149 | |
| 1150 | input_set_abs_params(dev, x_code, x_min, x_max, fuzz, 0); |
| 1151 | input_set_abs_params(dev, y_code, y_min, y_max, fuzz, 0); |
| 1152 | input_abs_set_res(dev, x_code, priv->x_res); |
| 1153 | input_abs_set_res(dev, y_code, priv->y_res); |
| 1154 | } |
| 1155 | |
Hans de Goede | 43e1988 | 2014-04-19 22:26:41 -0700 | [diff] [blame] | 1156 | static void set_input_params(struct psmouse *psmouse, |
| 1157 | struct synaptics_data *priv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1158 | { |
Hans de Goede | 43e1988 | 2014-04-19 22:26:41 -0700 | [diff] [blame] | 1159 | struct input_dev *dev = psmouse->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1160 | int i; |
| 1161 | |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1162 | /* Things that apply to both modes */ |
Henrik Rydberg | c14890a | 2010-12-16 09:52:23 +0100 | [diff] [blame] | 1163 | __set_bit(INPUT_PROP_POINTER, dev->propbit); |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1164 | __set_bit(EV_KEY, dev->evbit); |
| 1165 | __set_bit(BTN_LEFT, dev->keybit); |
| 1166 | __set_bit(BTN_RIGHT, dev->keybit); |
Henrik Rydberg | c14890a | 2010-12-16 09:52:23 +0100 | [diff] [blame] | 1167 | |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1168 | if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) |
| 1169 | __set_bit(BTN_MIDDLE, dev->keybit); |
| 1170 | |
| 1171 | if (!priv->absolute_mode) { |
| 1172 | /* Relative mode */ |
| 1173 | __set_bit(EV_REL, dev->evbit); |
| 1174 | __set_bit(REL_X, dev->relbit); |
| 1175 | __set_bit(REL_Y, dev->relbit); |
| 1176 | return; |
| 1177 | } |
| 1178 | |
| 1179 | /* Absolute mode */ |
Dmitry Torokhov | b7802c5 | 2009-09-09 19:13:20 -0700 | [diff] [blame] | 1180 | __set_bit(EV_ABS, dev->evbit); |
Daniel Kurtz | 8561547 | 2011-08-23 23:00:41 -0700 | [diff] [blame] | 1181 | set_abs_position_params(dev, priv, ABS_X, ABS_Y); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1182 | input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0); |
Chris Bagwell | 2a8e771 | 2010-07-19 09:06:15 -0700 | [diff] [blame] | 1183 | |
Henrik Rydberg | e08d9af | 2014-07-14 10:26:56 -0700 | [diff] [blame] | 1184 | if (cr48_profile_sensor) |
| 1185 | input_set_abs_params(dev, ABS_MT_PRESSURE, 0, 255, 0, 0); |
| 1186 | |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 1187 | if (SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) { |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 1188 | set_abs_position_params(dev, priv, ABS_MT_POSITION_X, |
| 1189 | ABS_MT_POSITION_Y); |
| 1190 | /* Image sensors can report per-contact pressure */ |
| 1191 | input_set_abs_params(dev, ABS_MT_PRESSURE, 0, 255, 0, 0); |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 1192 | input_mt_init_slots(dev, 2, INPUT_MT_POINTER | INPUT_MT_TRACK); |
Daniel Kurtz | 6b4b49f | 2011-08-23 23:02:56 -0700 | [diff] [blame] | 1193 | |
| 1194 | /* Image sensors can signal 4 and 5 finger clicks */ |
| 1195 | __set_bit(BTN_TOOL_QUADTAP, dev->keybit); |
| 1196 | __set_bit(BTN_TOOL_QUINTTAP, dev->keybit); |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 1197 | } else if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) { |
Daniel Kurtz | 8561547 | 2011-08-23 23:00:41 -0700 | [diff] [blame] | 1198 | set_abs_position_params(dev, priv, ABS_MT_POSITION_X, |
| 1199 | ABS_MT_POSITION_Y); |
Henrik Rydberg | e08d9af | 2014-07-14 10:26:56 -0700 | [diff] [blame] | 1200 | /* |
| 1201 | * Profile sensor in CR-48 tracks contacts reasonably well, |
| 1202 | * other non-image sensors with AGM use semi-mt. |
| 1203 | */ |
Dmitry Torokhov | ae84197 | 2014-07-25 17:12:12 -0700 | [diff] [blame] | 1204 | input_mt_init_slots(dev, 2, |
Henrik Rydberg | e08d9af | 2014-07-14 10:26:56 -0700 | [diff] [blame] | 1205 | INPUT_MT_POINTER | |
| 1206 | (cr48_profile_sensor ? |
| 1207 | INPUT_MT_TRACK : INPUT_MT_SEMI_MT)); |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 1208 | } |
| 1209 | |
Chris Bagwell | 2a8e771 | 2010-07-19 09:06:15 -0700 | [diff] [blame] | 1210 | if (SYN_CAP_PALMDETECT(priv->capabilities)) |
Chris Bagwell | 58fb021 | 2010-07-19 09:06:15 -0700 | [diff] [blame] | 1211 | input_set_abs_params(dev, ABS_TOOL_WIDTH, 0, 15, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1212 | |
Dmitry Torokhov | b7802c5 | 2009-09-09 19:13:20 -0700 | [diff] [blame] | 1213 | __set_bit(BTN_TOUCH, dev->keybit); |
| 1214 | __set_bit(BTN_TOOL_FINGER, dev->keybit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1215 | |
Peter Hutterer | e42b664 | 2008-11-20 15:24:42 -0500 | [diff] [blame] | 1216 | if (SYN_CAP_MULTIFINGER(priv->capabilities)) { |
Dmitry Torokhov | b7802c5 | 2009-09-09 19:13:20 -0700 | [diff] [blame] | 1217 | __set_bit(BTN_TOOL_DOUBLETAP, dev->keybit); |
| 1218 | __set_bit(BTN_TOOL_TRIPLETAP, dev->keybit); |
Peter Hutterer | e42b664 | 2008-11-20 15:24:42 -0500 | [diff] [blame] | 1219 | } |
| 1220 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1221 | if (SYN_CAP_FOUR_BUTTON(priv->capabilities) || |
| 1222 | SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) { |
Dmitry Torokhov | b7802c5 | 2009-09-09 19:13:20 -0700 | [diff] [blame] | 1223 | __set_bit(BTN_FORWARD, dev->keybit); |
| 1224 | __set_bit(BTN_BACK, dev->keybit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1225 | } |
| 1226 | |
Benjamin Tissoires | cdd9dc1 | 2015-03-08 22:35:41 -0700 | [diff] [blame] | 1227 | if (!SYN_CAP_EXT_BUTTONS_STICK(priv->ext_cap_10)) |
| 1228 | for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap); i++) |
| 1229 | __set_bit(BTN_0 + i, dev->keybit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1230 | |
Dmitry Torokhov | b7802c5 | 2009-09-09 19:13:20 -0700 | [diff] [blame] | 1231 | __clear_bit(EV_REL, dev->evbit); |
| 1232 | __clear_bit(REL_X, dev->relbit); |
| 1233 | __clear_bit(REL_Y, dev->relbit); |
Tero Saarni | ec20a02 | 2009-06-10 23:27:24 -0700 | [diff] [blame] | 1234 | |
Takashi Iwai | 5f57d67 | 2010-04-19 10:37:21 -0700 | [diff] [blame] | 1235 | if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) { |
Henrik Rydberg | c14890a | 2010-12-16 09:52:23 +0100 | [diff] [blame] | 1236 | __set_bit(INPUT_PROP_BUTTONPAD, dev->propbit); |
Benjamin Tissoires | 3adde1f | 2015-03-08 22:34:50 -0700 | [diff] [blame] | 1237 | if (psmouse_matches_pnp_id(psmouse, topbuttonpad_pnp_ids) && |
| 1238 | !SYN_CAP_EXT_BUTTONS_STICK(priv->ext_cap_10)) |
Hans de Goede | e2f6110 | 2014-05-19 22:53:23 -0700 | [diff] [blame] | 1239 | __set_bit(INPUT_PROP_TOPBUTTONPAD, dev->propbit); |
Takashi Iwai | 5f57d67 | 2010-04-19 10:37:21 -0700 | [diff] [blame] | 1240 | /* Clickpads report only left button */ |
| 1241 | __clear_bit(BTN_RIGHT, dev->keybit); |
| 1242 | __clear_bit(BTN_MIDDLE, dev->keybit); |
| 1243 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1244 | } |
| 1245 | |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1246 | static ssize_t synaptics_show_disable_gesture(struct psmouse *psmouse, |
| 1247 | void *data, char *buf) |
| 1248 | { |
| 1249 | struct synaptics_data *priv = psmouse->private; |
| 1250 | |
| 1251 | return sprintf(buf, "%c\n", priv->disable_gesture ? '1' : '0'); |
| 1252 | } |
| 1253 | |
| 1254 | static ssize_t synaptics_set_disable_gesture(struct psmouse *psmouse, |
| 1255 | void *data, const char *buf, |
| 1256 | size_t len) |
| 1257 | { |
| 1258 | struct synaptics_data *priv = psmouse->private; |
| 1259 | unsigned int value; |
| 1260 | int err; |
| 1261 | |
| 1262 | err = kstrtouint(buf, 10, &value); |
| 1263 | if (err) |
| 1264 | return err; |
| 1265 | |
| 1266 | if (value > 1) |
| 1267 | return -EINVAL; |
| 1268 | |
| 1269 | if (value == priv->disable_gesture) |
| 1270 | return len; |
| 1271 | |
| 1272 | priv->disable_gesture = value; |
| 1273 | if (value) |
| 1274 | priv->mode |= SYN_BIT_DISABLE_GESTURE; |
| 1275 | else |
| 1276 | priv->mode &= ~SYN_BIT_DISABLE_GESTURE; |
| 1277 | |
| 1278 | if (synaptics_mode_cmd(psmouse, priv->mode)) |
| 1279 | return -EIO; |
| 1280 | |
| 1281 | return len; |
| 1282 | } |
| 1283 | |
| 1284 | PSMOUSE_DEFINE_ATTR(disable_gesture, S_IWUSR | S_IRUGO, NULL, |
| 1285 | synaptics_show_disable_gesture, |
| 1286 | synaptics_set_disable_gesture); |
| 1287 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1288 | static void synaptics_disconnect(struct psmouse *psmouse) |
| 1289 | { |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1290 | struct synaptics_data *priv = psmouse->private; |
| 1291 | |
| 1292 | if (!priv->absolute_mode && SYN_ID_DISGEST_SUPPORTED(priv->identity)) |
| 1293 | device_remove_file(&psmouse->ps2dev.serio->dev, |
| 1294 | &psmouse_attr_disable_gesture.dattr); |
| 1295 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1296 | synaptics_reset(psmouse); |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1297 | kfree(priv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1298 | psmouse->private = NULL; |
| 1299 | } |
| 1300 | |
| 1301 | static int synaptics_reconnect(struct psmouse *psmouse) |
| 1302 | { |
| 1303 | struct synaptics_data *priv = psmouse->private; |
| 1304 | struct synaptics_data old_priv = *priv; |
Eric Miao | eeb0655 | 2013-06-04 09:30:55 -0700 | [diff] [blame] | 1305 | unsigned char param[2]; |
Alexandre Peixoto Ferreira | c63fe0a | 2011-01-28 22:05:14 -0800 | [diff] [blame] | 1306 | int retry = 0; |
| 1307 | int error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1308 | |
Alexandre Peixoto Ferreira | c63fe0a | 2011-01-28 22:05:14 -0800 | [diff] [blame] | 1309 | do { |
| 1310 | psmouse_reset(psmouse); |
Dmitry Torokhov | 8521478 | 2011-12-12 00:05:53 -0800 | [diff] [blame] | 1311 | if (retry) { |
| 1312 | /* |
| 1313 | * On some boxes, right after resuming, the touchpad |
| 1314 | * needs some time to finish initializing (I assume |
| 1315 | * it needs time to calibrate) and start responding |
| 1316 | * to Synaptics-specific queries, so let's wait a |
| 1317 | * bit. |
| 1318 | */ |
| 1319 | ssleep(1); |
| 1320 | } |
Eric Miao | eeb0655 | 2013-06-04 09:30:55 -0700 | [diff] [blame] | 1321 | ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETID); |
Alexandre Peixoto Ferreira | c63fe0a | 2011-01-28 22:05:14 -0800 | [diff] [blame] | 1322 | error = synaptics_detect(psmouse, 0); |
| 1323 | } while (error && ++retry < 3); |
Andy Whitcroft | 4d36845 | 2009-02-28 12:51:01 -0800 | [diff] [blame] | 1324 | |
Alexandre Peixoto Ferreira | c63fe0a | 2011-01-28 22:05:14 -0800 | [diff] [blame] | 1325 | if (error) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1326 | return -1; |
| 1327 | |
Alexandre Peixoto Ferreira | c63fe0a | 2011-01-28 22:05:14 -0800 | [diff] [blame] | 1328 | if (retry > 1) |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 1329 | psmouse_dbg(psmouse, "reconnected after %d tries\n", retry); |
Alexandre Peixoto Ferreira | c63fe0a | 2011-01-28 22:05:14 -0800 | [diff] [blame] | 1330 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1331 | if (synaptics_query_hardware(psmouse)) { |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 1332 | psmouse_err(psmouse, "Unable to query device.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1333 | return -1; |
| 1334 | } |
| 1335 | |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1336 | if (synaptics_set_mode(psmouse)) { |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 1337 | psmouse_err(psmouse, "Unable to initialize device.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1338 | return -1; |
| 1339 | } |
| 1340 | |
Alexandre Peixoto Ferreira | baddf58 | 2011-01-28 22:05:14 -0800 | [diff] [blame] | 1341 | if (old_priv.identity != priv->identity || |
| 1342 | old_priv.model_id != priv->model_id || |
| 1343 | old_priv.capabilities != priv->capabilities || |
| 1344 | old_priv.ext_cap != priv->ext_cap) { |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 1345 | psmouse_err(psmouse, |
| 1346 | "hardware appears to be different: id(%ld-%ld), model(%ld-%ld), caps(%lx-%lx), ext(%lx-%lx).\n", |
| 1347 | old_priv.identity, priv->identity, |
| 1348 | old_priv.model_id, priv->model_id, |
| 1349 | old_priv.capabilities, priv->capabilities, |
| 1350 | old_priv.ext_cap, priv->ext_cap); |
Alexandre Peixoto Ferreira | baddf58 | 2011-01-28 22:05:14 -0800 | [diff] [blame] | 1351 | return -1; |
| 1352 | } |
| 1353 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1354 | return 0; |
| 1355 | } |
| 1356 | |
Dmitry Torokhov | 7705d54 | 2009-12-03 23:21:14 -0800 | [diff] [blame] | 1357 | static bool impaired_toshiba_kbc; |
| 1358 | |
Sachin Kamat | c963156 | 2013-08-12 11:05:58 -0700 | [diff] [blame] | 1359 | static const struct dmi_system_id toshiba_dmi_table[] __initconst = { |
Dmitry Torokhov | 7705d54 | 2009-12-03 23:21:14 -0800 | [diff] [blame] | 1360 | #if defined(CONFIG_DMI) && defined(CONFIG_X86) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1361 | { |
Dmitry Torokhov | 9961e25 | 2009-12-04 10:24:20 -0800 | [diff] [blame] | 1362 | /* Toshiba Satellite */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1363 | .matches = { |
| 1364 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), |
Richard Thrippleton | 53a2670 | 2006-04-02 00:10:18 -0500 | [diff] [blame] | 1365 | DMI_MATCH(DMI_PRODUCT_NAME, "Satellite"), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1366 | }, |
| 1367 | }, |
Simon Horman | 9ba5eaa | 2005-07-11 01:07:20 -0500 | [diff] [blame] | 1368 | { |
Dmitry Torokhov | 9961e25 | 2009-12-04 10:24:20 -0800 | [diff] [blame] | 1369 | /* Toshiba Dynabook */ |
Simon Horman | 9ba5eaa | 2005-07-11 01:07:20 -0500 | [diff] [blame] | 1370 | .matches = { |
| 1371 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), |
Richard Thrippleton | 53a2670 | 2006-04-02 00:10:18 -0500 | [diff] [blame] | 1372 | DMI_MATCH(DMI_PRODUCT_NAME, "dynabook"), |
| 1373 | }, |
| 1374 | }, |
| 1375 | { |
Dmitry Torokhov | 9961e25 | 2009-12-04 10:24:20 -0800 | [diff] [blame] | 1376 | /* Toshiba Portege M300 */ |
Richard Thrippleton | 53a2670 | 2006-04-02 00:10:18 -0500 | [diff] [blame] | 1377 | .matches = { |
| 1378 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), |
| 1379 | DMI_MATCH(DMI_PRODUCT_NAME, "PORTEGE M300"), |
Simon Horman | 9ba5eaa | 2005-07-11 01:07:20 -0500 | [diff] [blame] | 1380 | }, |
Dmitry Torokhov | 5f5eeff | 2009-10-12 21:35:00 -0700 | [diff] [blame] | 1381 | |
| 1382 | }, |
| 1383 | { |
Dmitry Torokhov | 9961e25 | 2009-12-04 10:24:20 -0800 | [diff] [blame] | 1384 | /* Toshiba Portege M300 */ |
Dmitry Torokhov | 5f5eeff | 2009-10-12 21:35:00 -0700 | [diff] [blame] | 1385 | .matches = { |
| 1386 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), |
| 1387 | DMI_MATCH(DMI_PRODUCT_NAME, "Portable PC"), |
| 1388 | DMI_MATCH(DMI_PRODUCT_VERSION, "Version 1.0"), |
| 1389 | }, |
| 1390 | |
Simon Horman | 9ba5eaa | 2005-07-11 01:07:20 -0500 | [diff] [blame] | 1391 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1392 | #endif |
Jan Beulich | 7087486 | 2011-03-31 00:01:58 -0700 | [diff] [blame] | 1393 | { } |
Dmitry Torokhov | 7705d54 | 2009-12-03 23:21:14 -0800 | [diff] [blame] | 1394 | }; |
| 1395 | |
Andres Salomon | ef8313b | 2010-12-23 01:19:38 -0800 | [diff] [blame] | 1396 | static bool broken_olpc_ec; |
| 1397 | |
Sachin Kamat | c963156 | 2013-08-12 11:05:58 -0700 | [diff] [blame] | 1398 | static const struct dmi_system_id olpc_dmi_table[] __initconst = { |
Andres Salomon | ef8313b | 2010-12-23 01:19:38 -0800 | [diff] [blame] | 1399 | #if defined(CONFIG_DMI) && defined(CONFIG_OLPC) |
| 1400 | { |
| 1401 | /* OLPC XO-1 or XO-1.5 */ |
| 1402 | .matches = { |
| 1403 | DMI_MATCH(DMI_SYS_VENDOR, "OLPC"), |
| 1404 | DMI_MATCH(DMI_PRODUCT_NAME, "XO"), |
| 1405 | }, |
| 1406 | }, |
Andres Salomon | ef8313b | 2010-12-23 01:19:38 -0800 | [diff] [blame] | 1407 | #endif |
Jan Beulich | 7087486 | 2011-03-31 00:01:58 -0700 | [diff] [blame] | 1408 | { } |
Andres Salomon | ef8313b | 2010-12-23 01:19:38 -0800 | [diff] [blame] | 1409 | }; |
| 1410 | |
Henrik Rydberg | e08d9af | 2014-07-14 10:26:56 -0700 | [diff] [blame] | 1411 | static const struct dmi_system_id __initconst cr48_dmi_table[] = { |
| 1412 | #if defined(CONFIG_DMI) && defined(CONFIG_X86) |
| 1413 | { |
| 1414 | /* Cr-48 Chromebook (Codename Mario) */ |
| 1415 | .matches = { |
| 1416 | DMI_MATCH(DMI_SYS_VENDOR, "IEC"), |
| 1417 | DMI_MATCH(DMI_PRODUCT_NAME, "Mario"), |
| 1418 | }, |
| 1419 | }, |
| 1420 | #endif |
| 1421 | { } |
| 1422 | }; |
| 1423 | |
Dmitry Torokhov | 7705d54 | 2009-12-03 23:21:14 -0800 | [diff] [blame] | 1424 | void __init synaptics_module_init(void) |
| 1425 | { |
| 1426 | impaired_toshiba_kbc = dmi_check_system(toshiba_dmi_table); |
Andres Salomon | ef8313b | 2010-12-23 01:19:38 -0800 | [diff] [blame] | 1427 | broken_olpc_ec = dmi_check_system(olpc_dmi_table); |
Henrik Rydberg | e08d9af | 2014-07-14 10:26:56 -0700 | [diff] [blame] | 1428 | cr48_profile_sensor = dmi_check_system(cr48_dmi_table); |
Dmitry Torokhov | 7705d54 | 2009-12-03 23:21:14 -0800 | [diff] [blame] | 1429 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1430 | |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1431 | static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1432 | { |
| 1433 | struct synaptics_data *priv; |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1434 | int err = -1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1435 | |
Andres Salomon | ef8313b | 2010-12-23 01:19:38 -0800 | [diff] [blame] | 1436 | /* |
Daniel Drake | 83551c0 | 2011-11-11 16:05:04 -0800 | [diff] [blame] | 1437 | * The OLPC XO has issues with Synaptics' absolute mode; the constant |
| 1438 | * packet spew overloads the EC such that key presses on the keyboard |
| 1439 | * are missed. Given that, don't even attempt to use Absolute mode. |
| 1440 | * Relative mode seems to work just fine. |
Andres Salomon | ef8313b | 2010-12-23 01:19:38 -0800 | [diff] [blame] | 1441 | */ |
Daniel Drake | 83551c0 | 2011-11-11 16:05:04 -0800 | [diff] [blame] | 1442 | if (absolute_mode && broken_olpc_ec) { |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 1443 | psmouse_info(psmouse, |
| 1444 | "OLPC XO detected, not enabling Synaptics protocol.\n"); |
Andres Salomon | ef8313b | 2010-12-23 01:19:38 -0800 | [diff] [blame] | 1445 | return -ENODEV; |
| 1446 | } |
| 1447 | |
Eric Sesterhenn | b39787a | 2006-03-14 00:09:16 -0500 | [diff] [blame] | 1448 | psmouse->private = priv = kzalloc(sizeof(struct synaptics_data), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1449 | if (!priv) |
Davidlohr Bueso | 6792cbb | 2010-09-29 18:53:35 -0700 | [diff] [blame] | 1450 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1451 | |
Andy Whitcroft | 4d36845 | 2009-02-28 12:51:01 -0800 | [diff] [blame] | 1452 | psmouse_reset(psmouse); |
| 1453 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1454 | if (synaptics_query_hardware(psmouse)) { |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 1455 | psmouse_err(psmouse, "Unable to query device.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1456 | goto init_fail; |
| 1457 | } |
| 1458 | |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1459 | priv->absolute_mode = absolute_mode; |
| 1460 | if (SYN_ID_DISGEST_SUPPORTED(priv->identity)) |
| 1461 | priv->disable_gesture = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1462 | |
Dmitry Torokhov | de4e374 | 2014-12-29 14:43:44 -0800 | [diff] [blame] | 1463 | /* |
| 1464 | * Unfortunately ForcePad capability is not exported over PS/2, |
| 1465 | * so we have to resort to checking PNP IDs. |
| 1466 | */ |
| 1467 | priv->is_forcepad = psmouse_matches_pnp_id(psmouse, forcepad_pnp_ids); |
| 1468 | |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1469 | if (synaptics_set_mode(psmouse)) { |
| 1470 | psmouse_err(psmouse, "Unable to initialize device.\n"); |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 1471 | goto init_fail; |
| 1472 | } |
| 1473 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1474 | priv->pkt_type = SYN_MODEL_NEWABS(priv->model_id) ? SYN_NEWABS : SYN_OLDABS; |
| 1475 | |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 1476 | psmouse_info(psmouse, |
Daniel Kurtz | c6bd9d4 | 2012-07-07 18:08:51 -0700 | [diff] [blame] | 1477 | "Touchpad model: %ld, fw: %ld.%ld, id: %#lx, caps: %#lx/%#lx/%#lx, board id: %lu, fw id: %lu\n", |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 1478 | SYN_ID_MODEL(priv->identity), |
| 1479 | SYN_ID_MAJOR(priv->identity), SYN_ID_MINOR(priv->identity), |
| 1480 | priv->model_id, |
Daniel Kurtz | c6bd9d4 | 2012-07-07 18:08:51 -0700 | [diff] [blame] | 1481 | priv->capabilities, priv->ext_cap, priv->ext_cap_0c, |
| 1482 | priv->board_id, priv->firmware_id); |
Dmitry Torokhov | 409b750 | 2005-05-28 02:12:18 -0500 | [diff] [blame] | 1483 | |
Hans de Goede | 43e1988 | 2014-04-19 22:26:41 -0700 | [diff] [blame] | 1484 | set_input_params(psmouse, priv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1485 | |
Dmitry Torokhov | 887cc12 | 2007-04-12 01:30:41 -0400 | [diff] [blame] | 1486 | /* |
| 1487 | * Encode touchpad model so that it can be used to set |
| 1488 | * input device->id.version and be visible to userspace. |
| 1489 | * Because version is __u16 we have to drop something. |
| 1490 | * Hardware info bits seem to be good candidates as they |
| 1491 | * are documented to be for Synaptics corp. internal use. |
| 1492 | */ |
| 1493 | psmouse->model = ((priv->model_id & 0x00ff0000) >> 8) | |
| 1494 | (priv->model_id & 0x000000ff); |
| 1495 | |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1496 | if (absolute_mode) { |
| 1497 | psmouse->protocol_handler = synaptics_process_byte; |
| 1498 | psmouse->pktsize = 6; |
| 1499 | } else { |
| 1500 | /* Relative mode follows standard PS/2 mouse protocol */ |
| 1501 | psmouse->protocol_handler = psmouse_process_byte; |
| 1502 | psmouse->pktsize = 3; |
| 1503 | } |
| 1504 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1505 | psmouse->set_rate = synaptics_set_rate; |
| 1506 | psmouse->disconnect = synaptics_disconnect; |
| 1507 | psmouse->reconnect = synaptics_reconnect; |
Dmitry Torokhov | a1cec06 | 2007-02-18 01:40:24 -0500 | [diff] [blame] | 1508 | psmouse->cleanup = synaptics_reset; |
Dmitry Torokhov | f0d5c6f4 | 2006-01-14 00:27:37 -0500 | [diff] [blame] | 1509 | /* Synaptics can usually stay in sync without extra help */ |
| 1510 | psmouse->resync_time = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1511 | |
| 1512 | if (SYN_CAP_PASS_THROUGH(priv->capabilities)) |
| 1513 | synaptics_pt_create(psmouse); |
| 1514 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1515 | /* |
| 1516 | * Toshiba's KBC seems to have trouble handling data from |
Andres Salomon | 7ee9916 | 2010-12-23 01:18:28 -0800 | [diff] [blame] | 1517 | * Synaptics at full rate. Switch to a lower rate (roughly |
| 1518 | * the same rate as a standard PS/2 mouse). |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1519 | */ |
Dmitry Torokhov | 7705d54 | 2009-12-03 23:21:14 -0800 | [diff] [blame] | 1520 | if (psmouse->rate >= 80 && impaired_toshiba_kbc) { |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 1521 | psmouse_info(psmouse, |
| 1522 | "Toshiba %s detected, limiting rate to 40pps.\n", |
| 1523 | dmi_get_system_info(DMI_PRODUCT_NAME)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1524 | psmouse->rate = 40; |
| 1525 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1526 | |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1527 | if (!priv->absolute_mode && SYN_ID_DISGEST_SUPPORTED(priv->identity)) { |
| 1528 | err = device_create_file(&psmouse->ps2dev.serio->dev, |
| 1529 | &psmouse_attr_disable_gesture.dattr); |
| 1530 | if (err) { |
| 1531 | psmouse_err(psmouse, |
| 1532 | "Failed to create disable_gesture attribute (%d)", |
| 1533 | err); |
| 1534 | goto init_fail; |
| 1535 | } |
| 1536 | } |
| 1537 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1538 | return 0; |
| 1539 | |
| 1540 | init_fail: |
| 1541 | kfree(priv); |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1542 | return err; |
| 1543 | } |
| 1544 | |
| 1545 | int synaptics_init(struct psmouse *psmouse) |
| 1546 | { |
| 1547 | return __synaptics_init(psmouse, true); |
| 1548 | } |
| 1549 | |
| 1550 | int synaptics_init_relative(struct psmouse *psmouse) |
| 1551 | { |
| 1552 | return __synaptics_init(psmouse, false); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1553 | } |
| 1554 | |
Andres Salomon | 55e3d92 | 2007-03-10 01:39:54 -0500 | [diff] [blame] | 1555 | #else /* CONFIG_MOUSE_PS2_SYNAPTICS */ |
| 1556 | |
Dmitry Torokhov | 7705d54 | 2009-12-03 23:21:14 -0800 | [diff] [blame] | 1557 | void __init synaptics_module_init(void) |
| 1558 | { |
| 1559 | } |
| 1560 | |
Andres Salomon | 55e3d92 | 2007-03-10 01:39:54 -0500 | [diff] [blame] | 1561 | int synaptics_init(struct psmouse *psmouse) |
| 1562 | { |
| 1563 | return -ENOSYS; |
| 1564 | } |
| 1565 | |
| 1566 | #endif /* CONFIG_MOUSE_PS2_SYNAPTICS */ |