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 | |
Andres Salomon | 55e3d92 | 2007-03-10 01:39:54 -0500 | [diff] [blame] | 70 | /***************************************************************************** |
| 71 | * Stuff we need even when we do not want native Synaptics support |
| 72 | ****************************************************************************/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | |
| 74 | /* |
| 75 | * Set the synaptics touchpad mode byte by special commands |
| 76 | */ |
| 77 | static int synaptics_mode_cmd(struct psmouse *psmouse, unsigned char mode) |
| 78 | { |
| 79 | unsigned char param[1]; |
| 80 | |
| 81 | if (psmouse_sliced_command(psmouse, mode)) |
| 82 | return -1; |
| 83 | param[0] = SYN_PS_SET_MODE2; |
| 84 | if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_SETRATE)) |
| 85 | return -1; |
| 86 | return 0; |
| 87 | } |
| 88 | |
Dmitry Torokhov | b7802c5 | 2009-09-09 19:13:20 -0700 | [diff] [blame] | 89 | int synaptics_detect(struct psmouse *psmouse, bool set_properties) |
Andres Salomon | 55e3d92 | 2007-03-10 01:39:54 -0500 | [diff] [blame] | 90 | { |
| 91 | struct ps2dev *ps2dev = &psmouse->ps2dev; |
| 92 | unsigned char param[4]; |
| 93 | |
| 94 | param[0] = 0; |
| 95 | |
| 96 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); |
| 97 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); |
| 98 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); |
| 99 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); |
| 100 | ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO); |
| 101 | |
| 102 | if (param[1] != 0x47) |
| 103 | return -ENODEV; |
| 104 | |
| 105 | if (set_properties) { |
| 106 | psmouse->vendor = "Synaptics"; |
| 107 | psmouse->name = "TouchPad"; |
| 108 | } |
| 109 | |
| 110 | return 0; |
| 111 | } |
| 112 | |
| 113 | void synaptics_reset(struct psmouse *psmouse) |
| 114 | { |
| 115 | /* reset touchpad back to relative mode, gestures enabled */ |
| 116 | synaptics_mode_cmd(psmouse, 0); |
| 117 | } |
| 118 | |
| 119 | #ifdef CONFIG_MOUSE_PS2_SYNAPTICS |
Henrik Rydberg | e08d9af | 2014-07-14 10:26:56 -0700 | [diff] [blame] | 120 | |
| 121 | static bool cr48_profile_sensor; |
| 122 | |
Hans de Goede | 0f68f39 | 2014-05-19 22:54:09 -0700 | [diff] [blame] | 123 | struct min_max_quirk { |
| 124 | const char * const *pnp_ids; |
| 125 | int x_min, x_max, y_min, y_max; |
| 126 | }; |
| 127 | |
| 128 | static const struct min_max_quirk min_max_pnpid_table[] = { |
| 129 | { |
| 130 | (const char * const []){"LEN0033", NULL}, |
| 131 | 1024, 5052, 2258, 4832 |
| 132 | }, |
| 133 | { |
| 134 | (const char * const []){"LEN0035", "LEN0042", NULL}, |
| 135 | 1232, 5710, 1156, 4696 |
| 136 | }, |
| 137 | { |
Takashi Iwai | e4742b1 | 2014-11-06 09:27:11 -0800 | [diff] [blame] | 138 | (const char * const []){"LEN0034", "LEN0036", "LEN0039", |
| 139 | "LEN2002", "LEN2004", NULL}, |
Hans de Goede | 0f68f39 | 2014-05-19 22:54:09 -0700 | [diff] [blame] | 140 | 1024, 5112, 2024, 4832 |
| 141 | }, |
| 142 | { |
| 143 | (const char * const []){"LEN2001", NULL}, |
| 144 | 1024, 5022, 2508, 4832 |
| 145 | }, |
Ben Sagal | bce4f9e | 2014-11-16 17:23:40 -0800 | [diff] [blame] | 146 | { |
| 147 | (const char * const []){"LEN2006", NULL}, |
| 148 | 1264, 5675, 1171, 4688 |
| 149 | }, |
Hans de Goede | 0f68f39 | 2014-05-19 22:54:09 -0700 | [diff] [blame] | 150 | { } |
| 151 | }; |
| 152 | |
Hans de Goede | 43e1988 | 2014-04-19 22:26:41 -0700 | [diff] [blame] | 153 | /* This list has been kindly provided by Synaptics. */ |
| 154 | static const char * const topbuttonpad_pnp_ids[] = { |
| 155 | "LEN0017", |
| 156 | "LEN0018", |
| 157 | "LEN0019", |
| 158 | "LEN0023", |
| 159 | "LEN002A", |
| 160 | "LEN002B", |
| 161 | "LEN002C", |
| 162 | "LEN002D", |
| 163 | "LEN002E", |
| 164 | "LEN0033", /* Helix */ |
Hans de Goede | 0f68f39 | 2014-05-19 22:54:09 -0700 | [diff] [blame] | 165 | "LEN0034", /* T431s, L440, L540, T540, W540, X1 Carbon 2nd */ |
Hans de Goede | 43e1988 | 2014-04-19 22:26:41 -0700 | [diff] [blame] | 166 | "LEN0035", /* X240 */ |
| 167 | "LEN0036", /* T440 */ |
| 168 | "LEN0037", |
| 169 | "LEN0038", |
Takashi Iwai | e4742b1 | 2014-11-06 09:27:11 -0800 | [diff] [blame] | 170 | "LEN0039", /* T440s */ |
Hans de Goede | 43e1988 | 2014-04-19 22:26:41 -0700 | [diff] [blame] | 171 | "LEN0041", |
| 172 | "LEN0042", /* Yoga */ |
| 173 | "LEN0045", |
| 174 | "LEN0046", |
| 175 | "LEN0047", |
| 176 | "LEN0048", |
| 177 | "LEN0049", |
| 178 | "LEN2000", |
Hans de Goede | 0f68f39 | 2014-05-19 22:54:09 -0700 | [diff] [blame] | 179 | "LEN2001", /* Edge E431 */ |
Hans de Goede | e76aed9 | 2014-07-14 17:12:21 -0700 | [diff] [blame] | 180 | "LEN2002", /* Edge E531 */ |
Hans de Goede | 43e1988 | 2014-04-19 22:26:41 -0700 | [diff] [blame] | 181 | "LEN2003", |
| 182 | "LEN2004", /* L440 */ |
| 183 | "LEN2005", |
| 184 | "LEN2006", |
| 185 | "LEN2007", |
| 186 | "LEN2008", |
| 187 | "LEN2009", |
| 188 | "LEN200A", |
| 189 | "LEN200B", |
| 190 | NULL |
| 191 | }; |
Andres Salomon | 55e3d92 | 2007-03-10 01:39:54 -0500 | [diff] [blame] | 192 | |
| 193 | /***************************************************************************** |
| 194 | * Synaptics communications functions |
| 195 | ****************************************************************************/ |
| 196 | |
| 197 | /* |
JJ Ding | 1a49a0a | 2012-05-10 22:32:00 -0700 | [diff] [blame] | 198 | * Synaptics touchpads report the y coordinate from bottom to top, which is |
| 199 | * opposite from what userspace expects. |
| 200 | * This function is used to invert y before reporting. |
| 201 | */ |
| 202 | static int synaptics_invert_y(int y) |
| 203 | { |
| 204 | return YMAX_NOMINAL + YMIN_NOMINAL - y; |
| 205 | } |
| 206 | |
| 207 | /* |
Andres Salomon | 55e3d92 | 2007-03-10 01:39:54 -0500 | [diff] [blame] | 208 | * Send a command to the synpatics touchpad by special commands |
| 209 | */ |
| 210 | static int synaptics_send_cmd(struct psmouse *psmouse, unsigned char c, unsigned char *param) |
| 211 | { |
| 212 | if (psmouse_sliced_command(psmouse, c)) |
| 213 | return -1; |
| 214 | if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETINFO)) |
| 215 | return -1; |
| 216 | return 0; |
| 217 | } |
| 218 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 219 | /* |
| 220 | * Read the model-id bytes from the touchpad |
| 221 | * see also SYN_MODEL_* macros |
| 222 | */ |
| 223 | static int synaptics_model_id(struct psmouse *psmouse) |
| 224 | { |
| 225 | struct synaptics_data *priv = psmouse->private; |
| 226 | unsigned char mi[3]; |
| 227 | |
| 228 | if (synaptics_send_cmd(psmouse, SYN_QUE_MODEL, mi)) |
| 229 | return -1; |
| 230 | priv->model_id = (mi[0]<<16) | (mi[1]<<8) | mi[2]; |
| 231 | return 0; |
| 232 | } |
| 233 | |
| 234 | /* |
Daniel Kurtz | c6bd9d4 | 2012-07-07 18:08:51 -0700 | [diff] [blame] | 235 | * Read the board id from the touchpad |
| 236 | * The board id is encoded in the "QUERY MODES" response |
| 237 | */ |
| 238 | static int synaptics_board_id(struct psmouse *psmouse) |
| 239 | { |
| 240 | struct synaptics_data *priv = psmouse->private; |
| 241 | unsigned char bid[3]; |
| 242 | |
| 243 | if (synaptics_send_cmd(psmouse, SYN_QUE_MODES, bid)) |
| 244 | return -1; |
| 245 | priv->board_id = ((bid[0] & 0xfc) << 6) | bid[1]; |
| 246 | return 0; |
| 247 | } |
| 248 | |
| 249 | /* |
| 250 | * Read the firmware id from the touchpad |
| 251 | */ |
| 252 | static int synaptics_firmware_id(struct psmouse *psmouse) |
| 253 | { |
| 254 | struct synaptics_data *priv = psmouse->private; |
| 255 | unsigned char fwid[3]; |
| 256 | |
| 257 | if (synaptics_send_cmd(psmouse, SYN_QUE_FIRMWARE_ID, fwid)) |
| 258 | return -1; |
| 259 | priv->firmware_id = (fwid[0] << 16) | (fwid[1] << 8) | fwid[2]; |
| 260 | return 0; |
| 261 | } |
| 262 | |
| 263 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 264 | * Read the capability-bits from the touchpad |
| 265 | * see also the SYN_CAP_* macros |
| 266 | */ |
| 267 | static int synaptics_capability(struct psmouse *psmouse) |
| 268 | { |
| 269 | struct synaptics_data *priv = psmouse->private; |
| 270 | unsigned char cap[3]; |
| 271 | |
| 272 | if (synaptics_send_cmd(psmouse, SYN_QUE_CAPABILITIES, cap)) |
| 273 | return -1; |
| 274 | priv->capabilities = (cap[0] << 16) | (cap[1] << 8) | cap[2]; |
Takashi Iwai | 5f57d67 | 2010-04-19 10:37:21 -0700 | [diff] [blame] | 275 | priv->ext_cap = priv->ext_cap_0c = 0; |
| 276 | |
Dmitry Torokhov | 3619b8f | 2010-07-21 00:01:19 -0700 | [diff] [blame] | 277 | /* |
| 278 | * Older firmwares had submodel ID fixed to 0x47 |
| 279 | */ |
| 280 | if (SYN_ID_FULL(priv->identity) < 0x705 && |
| 281 | SYN_CAP_SUBMODEL_ID(priv->capabilities) != 0x47) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 282 | return -1; |
Dmitry Torokhov | 3619b8f | 2010-07-21 00:01:19 -0700 | [diff] [blame] | 283 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 284 | |
| 285 | /* |
| 286 | * Unless capExtended is set the rest of the flags should be ignored |
| 287 | */ |
| 288 | if (!SYN_CAP_EXTENDED(priv->capabilities)) |
| 289 | priv->capabilities = 0; |
| 290 | |
| 291 | if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 1) { |
| 292 | if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_CAPAB, cap)) { |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 293 | psmouse_warn(psmouse, |
| 294 | "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] | 295 | } else { |
| 296 | priv->ext_cap = (cap[0] << 16) | (cap[1] << 8) | cap[2]; |
| 297 | |
| 298 | /* |
| 299 | * if nExtBtn is greater than 8 it should be considered |
| 300 | * invalid and treated as 0 |
| 301 | */ |
| 302 | if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) > 8) |
| 303 | priv->ext_cap &= 0xff0fff; |
| 304 | } |
| 305 | } |
Takashi Iwai | 5f57d67 | 2010-04-19 10:37:21 -0700 | [diff] [blame] | 306 | |
| 307 | if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 4) { |
| 308 | if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_CAPAB_0C, cap)) { |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 309 | psmouse_warn(psmouse, |
| 310 | "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] | 311 | } else { |
| 312 | priv->ext_cap_0c = (cap[0] << 16) | (cap[1] << 8) | cap[2]; |
| 313 | } |
| 314 | } |
| 315 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 316 | return 0; |
| 317 | } |
| 318 | |
| 319 | /* |
| 320 | * Identify Touchpad |
| 321 | * See also the SYN_ID_* macros |
| 322 | */ |
| 323 | static int synaptics_identify(struct psmouse *psmouse) |
| 324 | { |
| 325 | struct synaptics_data *priv = psmouse->private; |
| 326 | unsigned char id[3]; |
| 327 | |
| 328 | if (synaptics_send_cmd(psmouse, SYN_QUE_IDENTIFY, id)) |
| 329 | return -1; |
| 330 | priv->identity = (id[0]<<16) | (id[1]<<8) | id[2]; |
| 331 | if (SYN_ID_IS_SYNAPTICS(priv->identity)) |
| 332 | return 0; |
| 333 | return -1; |
| 334 | } |
| 335 | |
Tero Saarni | ec20a02 | 2009-06-10 23:27:24 -0700 | [diff] [blame] | 336 | /* |
Dmitry Torokhov | 83ba9ea | 2010-05-10 23:06:52 -0700 | [diff] [blame] | 337 | * Read touchpad resolution and maximum reported coordinates |
Tero Saarni | ec20a02 | 2009-06-10 23:27:24 -0700 | [diff] [blame] | 338 | * Resolution is left zero if touchpad does not support the query |
| 339 | */ |
Benjamin Tissoires | 421e08c | 2014-03-28 00:43:00 -0700 | [diff] [blame] | 340 | |
Tero Saarni | ec20a02 | 2009-06-10 23:27:24 -0700 | [diff] [blame] | 341 | static int synaptics_resolution(struct psmouse *psmouse) |
| 342 | { |
| 343 | struct synaptics_data *priv = psmouse->private; |
Dmitry Torokhov | a66413f | 2011-07-09 12:32:56 -0700 | [diff] [blame] | 344 | unsigned char resp[3]; |
Hans de Goede | 0f68f39 | 2014-05-19 22:54:09 -0700 | [diff] [blame] | 345 | int i; |
Tero Saarni | ec20a02 | 2009-06-10 23:27:24 -0700 | [diff] [blame] | 346 | |
| 347 | if (SYN_ID_MAJOR(priv->identity) < 4) |
Takashi Iwai | bbddd19 | 2010-07-14 09:32:46 -0700 | [diff] [blame] | 348 | return 0; |
Tero Saarni | ec20a02 | 2009-06-10 23:27:24 -0700 | [diff] [blame] | 349 | |
Dmitry Torokhov | a66413f | 2011-07-09 12:32:56 -0700 | [diff] [blame] | 350 | if (synaptics_send_cmd(psmouse, SYN_QUE_RESOLUTION, resp) == 0) { |
| 351 | if (resp[0] != 0 && (resp[1] & 0x80) && resp[2] != 0) { |
| 352 | priv->x_res = resp[0]; /* x resolution in units/mm */ |
| 353 | priv->y_res = resp[2]; /* y resolution in units/mm */ |
Dmitry Torokhov | 83ba9ea | 2010-05-10 23:06:52 -0700 | [diff] [blame] | 354 | } |
| 355 | } |
Tero Saarni | ec20a02 | 2009-06-10 23:27:24 -0700 | [diff] [blame] | 356 | |
Benjamin Tissoires | d49cb7a | 2014-06-07 22:37:47 -0700 | [diff] [blame] | 357 | for (i = 0; min_max_pnpid_table[i].pnp_ids; i++) { |
Hans de Goede | 2c75ada | 2014-09-11 10:14:09 -0700 | [diff] [blame] | 358 | if (psmouse_matches_pnp_id(psmouse, |
| 359 | min_max_pnpid_table[i].pnp_ids)) { |
Benjamin Tissoires | d49cb7a | 2014-06-07 22:37:47 -0700 | [diff] [blame] | 360 | priv->x_min = min_max_pnpid_table[i].x_min; |
| 361 | priv->x_max = min_max_pnpid_table[i].x_max; |
| 362 | priv->y_min = min_max_pnpid_table[i].y_min; |
| 363 | priv->y_max = min_max_pnpid_table[i].y_max; |
| 364 | return 0; |
| 365 | } |
| 366 | } |
| 367 | |
Dmitry Torokhov | 83ba9ea | 2010-05-10 23:06:52 -0700 | [diff] [blame] | 368 | if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 5 && |
| 369 | SYN_CAP_MAX_DIMENSIONS(priv->ext_cap_0c)) { |
Dmitry Torokhov | a66413f | 2011-07-09 12:32:56 -0700 | [diff] [blame] | 370 | if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_MAX_COORDS, resp)) { |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 371 | psmouse_warn(psmouse, |
| 372 | "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] | 373 | } else { |
Dmitry Torokhov | a66413f | 2011-07-09 12:32:56 -0700 | [diff] [blame] | 374 | priv->x_max = (resp[0] << 5) | ((resp[1] & 0x0f) << 1); |
| 375 | priv->y_max = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3); |
| 376 | } |
| 377 | } |
| 378 | |
| 379 | if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 7 && |
| 380 | SYN_CAP_MIN_DIMENSIONS(priv->ext_cap_0c)) { |
| 381 | if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_MIN_COORDS, resp)) { |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 382 | psmouse_warn(psmouse, |
| 383 | "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] | 384 | } else { |
| 385 | priv->x_min = (resp[0] << 5) | ((resp[1] & 0x0f) << 1); |
| 386 | priv->y_min = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3); |
Dmitry Torokhov | 83ba9ea | 2010-05-10 23:06:52 -0700 | [diff] [blame] | 387 | } |
Tero Saarni | ec20a02 | 2009-06-10 23:27:24 -0700 | [diff] [blame] | 388 | } |
| 389 | |
| 390 | return 0; |
| 391 | } |
| 392 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 393 | static int synaptics_query_hardware(struct psmouse *psmouse) |
| 394 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 395 | if (synaptics_identify(psmouse)) |
| 396 | return -1; |
| 397 | if (synaptics_model_id(psmouse)) |
| 398 | return -1; |
Daniel Kurtz | c6bd9d4 | 2012-07-07 18:08:51 -0700 | [diff] [blame] | 399 | if (synaptics_firmware_id(psmouse)) |
| 400 | return -1; |
| 401 | if (synaptics_board_id(psmouse)) |
| 402 | return -1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 403 | if (synaptics_capability(psmouse)) |
| 404 | return -1; |
Tero Saarni | ec20a02 | 2009-06-10 23:27:24 -0700 | [diff] [blame] | 405 | if (synaptics_resolution(psmouse)) |
| 406 | return -1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 407 | |
| 408 | return 0; |
| 409 | } |
| 410 | |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 411 | static int synaptics_set_advanced_gesture_mode(struct psmouse *psmouse) |
| 412 | { |
| 413 | static unsigned char param = 0xc8; |
| 414 | struct synaptics_data *priv = psmouse->private; |
| 415 | |
Benjamin Herrenschmidt | 899c612 | 2012-04-20 22:34:49 -0700 | [diff] [blame] | 416 | if (!(SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) || |
| 417 | SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c))) |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 418 | return 0; |
| 419 | |
| 420 | if (psmouse_sliced_command(psmouse, SYN_QUE_MODEL)) |
| 421 | return -1; |
| 422 | |
| 423 | if (ps2_command(&psmouse->ps2dev, ¶m, PSMOUSE_CMD_SETRATE)) |
| 424 | return -1; |
| 425 | |
| 426 | /* Advanced gesture mode also sends multi finger data */ |
| 427 | priv->capabilities |= BIT(1); |
| 428 | |
| 429 | return 0; |
| 430 | } |
| 431 | |
| 432 | static int synaptics_set_mode(struct psmouse *psmouse) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 433 | { |
| 434 | struct synaptics_data *priv = psmouse->private; |
| 435 | |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 436 | priv->mode = 0; |
| 437 | if (priv->absolute_mode) |
| 438 | priv->mode |= SYN_BIT_ABSOLUTE_MODE; |
| 439 | if (priv->disable_gesture) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 440 | priv->mode |= SYN_BIT_DISABLE_GESTURE; |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 441 | if (psmouse->rate >= 80) |
| 442 | priv->mode |= SYN_BIT_HIGH_RATE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 443 | if (SYN_CAP_EXTENDED(priv->capabilities)) |
| 444 | priv->mode |= SYN_BIT_W_MODE; |
| 445 | |
| 446 | if (synaptics_mode_cmd(psmouse, priv->mode)) |
| 447 | return -1; |
| 448 | |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 449 | if (priv->absolute_mode && |
| 450 | synaptics_set_advanced_gesture_mode(psmouse)) { |
| 451 | psmouse_err(psmouse, "Advanced gesture mode init failed.\n"); |
| 452 | return -1; |
| 453 | } |
| 454 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 455 | return 0; |
| 456 | } |
| 457 | |
| 458 | static void synaptics_set_rate(struct psmouse *psmouse, unsigned int rate) |
| 459 | { |
| 460 | struct synaptics_data *priv = psmouse->private; |
| 461 | |
| 462 | if (rate >= 80) { |
| 463 | priv->mode |= SYN_BIT_HIGH_RATE; |
| 464 | psmouse->rate = 80; |
| 465 | } else { |
| 466 | priv->mode &= ~SYN_BIT_HIGH_RATE; |
| 467 | psmouse->rate = 40; |
| 468 | } |
| 469 | |
| 470 | synaptics_mode_cmd(psmouse, priv->mode); |
| 471 | } |
| 472 | |
| 473 | /***************************************************************************** |
| 474 | * Synaptics pass-through PS/2 port support |
| 475 | ****************************************************************************/ |
| 476 | static int synaptics_pt_write(struct serio *serio, unsigned char c) |
| 477 | { |
| 478 | struct psmouse *parent = serio_get_drvdata(serio->parent); |
| 479 | char rate_param = SYN_PS_CLIENT_CMD; /* indicates that we want pass-through port */ |
| 480 | |
| 481 | if (psmouse_sliced_command(parent, c)) |
| 482 | return -1; |
| 483 | if (ps2_command(&parent->ps2dev, &rate_param, PSMOUSE_CMD_SETRATE)) |
| 484 | return -1; |
| 485 | return 0; |
| 486 | } |
| 487 | |
Dmitry Torokhov | a8b3c0f | 2010-10-04 21:46:10 -0700 | [diff] [blame] | 488 | static int synaptics_pt_start(struct serio *serio) |
| 489 | { |
| 490 | struct psmouse *parent = serio_get_drvdata(serio->parent); |
| 491 | struct synaptics_data *priv = parent->private; |
| 492 | |
| 493 | serio_pause_rx(parent->ps2dev.serio); |
| 494 | priv->pt_port = serio; |
| 495 | serio_continue_rx(parent->ps2dev.serio); |
| 496 | |
| 497 | return 0; |
| 498 | } |
| 499 | |
| 500 | static void synaptics_pt_stop(struct serio *serio) |
| 501 | { |
| 502 | struct psmouse *parent = serio_get_drvdata(serio->parent); |
| 503 | struct synaptics_data *priv = parent->private; |
| 504 | |
| 505 | serio_pause_rx(parent->ps2dev.serio); |
| 506 | priv->pt_port = NULL; |
| 507 | serio_continue_rx(parent->ps2dev.serio); |
| 508 | } |
| 509 | |
| 510 | static int synaptics_is_pt_packet(unsigned char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 511 | { |
| 512 | return (buf[0] & 0xFC) == 0x84 && (buf[3] & 0xCC) == 0xC4; |
| 513 | } |
| 514 | |
| 515 | static void synaptics_pass_pt_packet(struct serio *ptport, unsigned char *packet) |
| 516 | { |
| 517 | struct psmouse *child = serio_get_drvdata(ptport); |
| 518 | |
| 519 | if (child && child->state == PSMOUSE_ACTIVATED) { |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 520 | serio_interrupt(ptport, packet[1], 0); |
| 521 | serio_interrupt(ptport, packet[4], 0); |
| 522 | serio_interrupt(ptport, packet[5], 0); |
Sergey Vlasov | 33fdfa9 | 2005-07-24 00:53:32 -0500 | [diff] [blame] | 523 | if (child->pktsize == 4) |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 524 | serio_interrupt(ptport, packet[2], 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 525 | } else |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 526 | serio_interrupt(ptport, packet[1], 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 527 | } |
| 528 | |
| 529 | static void synaptics_pt_activate(struct psmouse *psmouse) |
| 530 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 531 | struct synaptics_data *priv = psmouse->private; |
Dmitry Torokhov | a8b3c0f | 2010-10-04 21:46:10 -0700 | [diff] [blame] | 532 | struct psmouse *child = serio_get_drvdata(priv->pt_port); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 533 | |
| 534 | /* adjust the touchpad to child's choice of protocol */ |
| 535 | if (child) { |
Sergey Vlasov | 33fdfa9 | 2005-07-24 00:53:32 -0500 | [diff] [blame] | 536 | if (child->pktsize == 4) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 537 | priv->mode |= SYN_BIT_FOUR_BYTE_CLIENT; |
| 538 | else |
| 539 | priv->mode &= ~SYN_BIT_FOUR_BYTE_CLIENT; |
| 540 | |
| 541 | if (synaptics_mode_cmd(psmouse, priv->mode)) |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 542 | psmouse_warn(psmouse, |
| 543 | "failed to switch guest protocol\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 544 | } |
| 545 | } |
| 546 | |
| 547 | static void synaptics_pt_create(struct psmouse *psmouse) |
| 548 | { |
| 549 | struct serio *serio; |
| 550 | |
Eric Sesterhenn | b39787a | 2006-03-14 00:09:16 -0500 | [diff] [blame] | 551 | serio = kzalloc(sizeof(struct serio), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 552 | if (!serio) { |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 553 | psmouse_err(psmouse, |
| 554 | "not enough memory for pass-through port\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 555 | return; |
| 556 | } |
| 557 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 558 | serio->id.type = SERIO_PS_PSTHRU; |
| 559 | strlcpy(serio->name, "Synaptics pass-through", sizeof(serio->name)); |
| 560 | strlcpy(serio->phys, "synaptics-pt/serio0", sizeof(serio->name)); |
| 561 | serio->write = synaptics_pt_write; |
Dmitry Torokhov | a8b3c0f | 2010-10-04 21:46:10 -0700 | [diff] [blame] | 562 | serio->start = synaptics_pt_start; |
| 563 | serio->stop = synaptics_pt_stop; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 564 | serio->parent = psmouse->ps2dev.serio; |
| 565 | |
| 566 | psmouse->pt_activate = synaptics_pt_activate; |
| 567 | |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 568 | psmouse_info(psmouse, "serio: %s port at %s\n", |
| 569 | serio->name, psmouse->phys); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 570 | serio_register_port(serio); |
| 571 | } |
| 572 | |
| 573 | /***************************************************************************** |
| 574 | * Functions to interpret the absolute mode packets |
| 575 | ****************************************************************************/ |
| 576 | |
Daniel Kurtz | 7afdb84 | 2011-08-23 23:00:33 -0700 | [diff] [blame] | 577 | static void synaptics_parse_agm(const unsigned char buf[], |
Daniel Kurtz | a6ca40c | 2011-08-23 23:02:31 -0700 | [diff] [blame] | 578 | struct synaptics_data *priv, |
| 579 | struct synaptics_hw_state *hw) |
Daniel Kurtz | 7afdb84 | 2011-08-23 23:00:33 -0700 | [diff] [blame] | 580 | { |
| 581 | struct synaptics_hw_state *agm = &priv->agm; |
Daniel Kurtz | a6ca40c | 2011-08-23 23:02:31 -0700 | [diff] [blame] | 582 | int agm_packet_type; |
Daniel Kurtz | 7afdb84 | 2011-08-23 23:00:33 -0700 | [diff] [blame] | 583 | |
Daniel Kurtz | a6ca40c | 2011-08-23 23:02:31 -0700 | [diff] [blame] | 584 | agm_packet_type = (buf[5] & 0x30) >> 4; |
| 585 | switch (agm_packet_type) { |
| 586 | case 1: |
| 587 | /* Gesture packet: (x, y, z) half resolution */ |
| 588 | agm->w = hw->w; |
| 589 | agm->x = (((buf[4] & 0x0f) << 8) | buf[1]) << 1; |
| 590 | agm->y = (((buf[4] & 0xf0) << 4) | buf[2]) << 1; |
| 591 | agm->z = ((buf[3] & 0x30) | (buf[5] & 0x0f)) << 1; |
| 592 | break; |
| 593 | |
| 594 | case 2: |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 595 | /* AGM-CONTACT packet: we are only interested in the count */ |
| 596 | priv->agm_count = buf[1]; |
Daniel Kurtz | a6ca40c | 2011-08-23 23:02:31 -0700 | [diff] [blame] | 597 | break; |
| 598 | |
| 599 | default: |
| 600 | break; |
| 601 | } |
Daniel Kurtz | 7afdb84 | 2011-08-23 23:00:33 -0700 | [diff] [blame] | 602 | } |
| 603 | |
Dmitry Torokhov | aa9724099 | 2014-09-02 09:49:18 -0700 | [diff] [blame] | 604 | static bool is_forcepad; |
| 605 | |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 606 | static int synaptics_parse_hw_state(const unsigned char buf[], |
| 607 | struct synaptics_data *priv, |
| 608 | struct synaptics_hw_state *hw) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 609 | { |
| 610 | memset(hw, 0, sizeof(struct synaptics_hw_state)); |
| 611 | |
| 612 | if (SYN_MODEL_NEWABS(priv->model_id)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 613 | hw->w = (((buf[0] & 0x30) >> 2) | |
| 614 | ((buf[0] & 0x04) >> 1) | |
| 615 | ((buf[3] & 0x04) >> 2)); |
| 616 | |
Dmitry Torokhov | 5715fc7 | 2014-08-30 13:51:06 -0700 | [diff] [blame] | 617 | if ((SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) || |
| 618 | SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) && |
| 619 | hw->w == 2) { |
| 620 | synaptics_parse_agm(buf, priv, hw); |
| 621 | return 1; |
| 622 | } |
| 623 | |
| 624 | hw->x = (((buf[3] & 0x10) << 8) | |
| 625 | ((buf[1] & 0x0f) << 8) | |
| 626 | buf[4]); |
| 627 | hw->y = (((buf[3] & 0x20) << 7) | |
| 628 | ((buf[1] & 0xf0) << 4) | |
| 629 | buf[5]); |
| 630 | hw->z = buf[2]; |
| 631 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 632 | hw->left = (buf[0] & 0x01) ? 1 : 0; |
| 633 | hw->right = (buf[0] & 0x02) ? 1 : 0; |
| 634 | |
Dmitry Torokhov | aa9724099 | 2014-09-02 09:49:18 -0700 | [diff] [blame] | 635 | if (is_forcepad) { |
Dmitry Torokhov | 5715fc7 | 2014-08-30 13:51:06 -0700 | [diff] [blame] | 636 | /* |
| 637 | * ForcePads, like Clickpads, use middle button |
| 638 | * bits to report primary button clicks. |
| 639 | * Unfortunately they report primary button not |
| 640 | * only when user presses on the pad above certain |
| 641 | * threshold, but also when there are more than one |
| 642 | * finger on the touchpad, which interferes with |
| 643 | * out multi-finger gestures. |
| 644 | */ |
| 645 | if (hw->z == 0) { |
| 646 | /* No contacts */ |
| 647 | priv->press = priv->report_press = false; |
| 648 | } else if (hw->w >= 4 && ((buf[0] ^ buf[3]) & 0x01)) { |
| 649 | /* |
| 650 | * Single-finger touch with pressure above |
| 651 | * the threshold. If pressure stays long |
| 652 | * enough, we'll start reporting primary |
| 653 | * button. We rely on the device continuing |
| 654 | * sending data even if finger does not |
| 655 | * move. |
| 656 | */ |
| 657 | if (!priv->press) { |
| 658 | priv->press_start = jiffies; |
| 659 | priv->press = true; |
| 660 | } else if (time_after(jiffies, |
| 661 | priv->press_start + |
| 662 | msecs_to_jiffies(50))) { |
| 663 | priv->report_press = true; |
| 664 | } |
| 665 | } else { |
| 666 | priv->press = false; |
| 667 | } |
| 668 | |
| 669 | hw->left = priv->report_press; |
| 670 | |
| 671 | } else if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) { |
Takashi Iwai | 5f57d67 | 2010-04-19 10:37:21 -0700 | [diff] [blame] | 672 | /* |
| 673 | * Clickpad's button is transmitted as middle button, |
| 674 | * however, since it is primary button, we will report |
| 675 | * it as BTN_LEFT. |
| 676 | */ |
| 677 | hw->left = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0; |
| 678 | |
| 679 | } else if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 680 | hw->middle = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0; |
| 681 | if (hw->w == 2) |
| 682 | hw->scroll = (signed char)(buf[1]); |
| 683 | } |
| 684 | |
| 685 | if (SYN_CAP_FOUR_BUTTON(priv->capabilities)) { |
| 686 | hw->up = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0; |
| 687 | hw->down = ((buf[0] ^ buf[3]) & 0x02) ? 1 : 0; |
| 688 | } |
| 689 | |
| 690 | if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) && |
| 691 | ((buf[0] ^ buf[3]) & 0x02)) { |
| 692 | switch (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) & ~0x01) { |
| 693 | default: |
| 694 | /* |
| 695 | * if nExtBtn is greater than 8 it should be |
| 696 | * considered invalid and treated as 0 |
| 697 | */ |
| 698 | break; |
| 699 | case 8: |
| 700 | hw->ext_buttons |= ((buf[5] & 0x08)) ? 0x80 : 0; |
| 701 | hw->ext_buttons |= ((buf[4] & 0x08)) ? 0x40 : 0; |
| 702 | case 6: |
| 703 | hw->ext_buttons |= ((buf[5] & 0x04)) ? 0x20 : 0; |
| 704 | hw->ext_buttons |= ((buf[4] & 0x04)) ? 0x10 : 0; |
| 705 | case 4: |
| 706 | hw->ext_buttons |= ((buf[5] & 0x02)) ? 0x08 : 0; |
| 707 | hw->ext_buttons |= ((buf[4] & 0x02)) ? 0x04 : 0; |
| 708 | case 2: |
| 709 | hw->ext_buttons |= ((buf[5] & 0x01)) ? 0x02 : 0; |
| 710 | hw->ext_buttons |= ((buf[4] & 0x01)) ? 0x01 : 0; |
| 711 | } |
| 712 | } |
| 713 | } else { |
| 714 | hw->x = (((buf[1] & 0x1f) << 8) | buf[2]); |
| 715 | hw->y = (((buf[4] & 0x1f) << 8) | buf[5]); |
| 716 | |
| 717 | hw->z = (((buf[0] & 0x30) << 2) | (buf[3] & 0x3F)); |
| 718 | hw->w = (((buf[1] & 0x80) >> 4) | ((buf[0] & 0x04) >> 1)); |
| 719 | |
| 720 | hw->left = (buf[0] & 0x01) ? 1 : 0; |
| 721 | hw->right = (buf[0] & 0x02) ? 1 : 0; |
| 722 | } |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 723 | |
Seth Forshee | 824efd3 | 2012-09-28 10:29:21 -0700 | [diff] [blame] | 724 | /* |
| 725 | * Convert wrap-around values to negative. (X|Y)_MAX_POSITIVE |
| 726 | * is used by some firmware to indicate a finger at the edge of |
| 727 | * the touchpad whose precise position cannot be determined, so |
| 728 | * convert these values to the maximum axis value. |
| 729 | */ |
Seth Forshee | c0394506 | 2012-07-24 23:54:11 -0700 | [diff] [blame] | 730 | if (hw->x > X_MAX_POSITIVE) |
| 731 | hw->x -= 1 << ABS_POS_BITS; |
Seth Forshee | 824efd3 | 2012-09-28 10:29:21 -0700 | [diff] [blame] | 732 | else if (hw->x == X_MAX_POSITIVE) |
| 733 | hw->x = XMAX; |
| 734 | |
Seth Forshee | c0394506 | 2012-07-24 23:54:11 -0700 | [diff] [blame] | 735 | if (hw->y > Y_MAX_POSITIVE) |
| 736 | hw->y -= 1 << ABS_POS_BITS; |
Seth Forshee | 824efd3 | 2012-09-28 10:29:21 -0700 | [diff] [blame] | 737 | else if (hw->y == Y_MAX_POSITIVE) |
| 738 | hw->y = YMAX; |
Seth Forshee | c0394506 | 2012-07-24 23:54:11 -0700 | [diff] [blame] | 739 | |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 740 | return 0; |
| 741 | } |
| 742 | |
Daniel Kurtz | bea9f0f | 2011-07-06 22:42:52 -0700 | [diff] [blame] | 743 | static void synaptics_report_semi_mt_slot(struct input_dev *dev, int slot, |
| 744 | bool active, int x, int y) |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 745 | { |
| 746 | input_mt_slot(dev, slot); |
| 747 | input_mt_report_slot_state(dev, MT_TOOL_FINGER, active); |
| 748 | if (active) { |
| 749 | input_report_abs(dev, ABS_MT_POSITION_X, x); |
Daniel Kurtz | 6de58dd | 2011-08-23 23:00:24 -0700 | [diff] [blame] | 750 | input_report_abs(dev, ABS_MT_POSITION_Y, synaptics_invert_y(y)); |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 751 | } |
| 752 | } |
| 753 | |
| 754 | static void synaptics_report_semi_mt_data(struct input_dev *dev, |
| 755 | const struct synaptics_hw_state *a, |
| 756 | const struct synaptics_hw_state *b, |
| 757 | int num_fingers) |
| 758 | { |
| 759 | if (num_fingers >= 2) { |
Daniel Kurtz | bea9f0f | 2011-07-06 22:42:52 -0700 | [diff] [blame] | 760 | synaptics_report_semi_mt_slot(dev, 0, true, min(a->x, b->x), |
| 761 | min(a->y, b->y)); |
| 762 | synaptics_report_semi_mt_slot(dev, 1, true, max(a->x, b->x), |
| 763 | max(a->y, b->y)); |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 764 | } else if (num_fingers == 1) { |
Daniel Kurtz | bea9f0f | 2011-07-06 22:42:52 -0700 | [diff] [blame] | 765 | synaptics_report_semi_mt_slot(dev, 0, true, a->x, a->y); |
| 766 | synaptics_report_semi_mt_slot(dev, 1, false, 0, 0); |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 767 | } else { |
Daniel Kurtz | bea9f0f | 2011-07-06 22:42:52 -0700 | [diff] [blame] | 768 | synaptics_report_semi_mt_slot(dev, 0, false, 0, 0); |
| 769 | synaptics_report_semi_mt_slot(dev, 1, false, 0, 0); |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 770 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 771 | } |
| 772 | |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 773 | static void synaptics_report_buttons(struct psmouse *psmouse, |
| 774 | const struct synaptics_hw_state *hw) |
| 775 | { |
| 776 | struct input_dev *dev = psmouse->dev; |
| 777 | struct synaptics_data *priv = psmouse->private; |
| 778 | int i; |
| 779 | |
| 780 | input_report_key(dev, BTN_LEFT, hw->left); |
| 781 | input_report_key(dev, BTN_RIGHT, hw->right); |
| 782 | |
| 783 | if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) |
| 784 | input_report_key(dev, BTN_MIDDLE, hw->middle); |
| 785 | |
| 786 | if (SYN_CAP_FOUR_BUTTON(priv->capabilities)) { |
| 787 | input_report_key(dev, BTN_FORWARD, hw->up); |
| 788 | input_report_key(dev, BTN_BACK, hw->down); |
| 789 | } |
| 790 | |
| 791 | for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap); i++) |
| 792 | input_report_key(dev, BTN_0 + i, hw->ext_buttons & (1 << i)); |
| 793 | } |
| 794 | |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 795 | static void synaptics_report_mt_data(struct psmouse *psmouse, |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 796 | const struct synaptics_hw_state *sgm, |
| 797 | int num_fingers) |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 798 | { |
| 799 | struct input_dev *dev = psmouse->dev; |
| 800 | struct synaptics_data *priv = psmouse->private; |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 801 | const struct synaptics_hw_state *hw[2] = { sgm, &priv->agm }; |
| 802 | struct input_mt_pos pos[2]; |
| 803 | int slot[2], nsemi, i; |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 804 | |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 805 | nsemi = clamp_val(num_fingers, 0, 2); |
Daniel Kurtz | 4dc772d | 2011-08-23 23:02:40 -0700 | [diff] [blame] | 806 | |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 807 | for (i = 0; i < nsemi; i++) { |
| 808 | pos[i].x = hw[i]->x; |
| 809 | pos[i].y = synaptics_invert_y(hw[i]->y); |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 810 | } |
| 811 | |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 812 | input_mt_assign_slots(dev, slot, pos, nsemi); |
| 813 | |
| 814 | for (i = 0; i < nsemi; i++) { |
| 815 | input_mt_slot(dev, slot[i]); |
| 816 | input_mt_report_slot_state(dev, MT_TOOL_FINGER, true); |
| 817 | input_report_abs(dev, ABS_MT_POSITION_X, pos[i].x); |
| 818 | input_report_abs(dev, ABS_MT_POSITION_Y, pos[i].y); |
| 819 | input_report_abs(dev, ABS_MT_PRESSURE, hw[i]->z); |
| 820 | } |
| 821 | |
| 822 | input_mt_drop_unused(dev); |
| 823 | |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 824 | /* Don't use active slot count to generate BTN_TOOL events. */ |
| 825 | input_mt_report_pointer_emulation(dev, false); |
| 826 | |
| 827 | /* Send the number of fingers reported by touchpad itself. */ |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 828 | input_mt_report_finger_count(dev, num_fingers); |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 829 | |
| 830 | synaptics_report_buttons(psmouse, sgm); |
| 831 | |
| 832 | input_sync(dev); |
| 833 | } |
| 834 | |
| 835 | static void synaptics_image_sensor_process(struct psmouse *psmouse, |
| 836 | struct synaptics_hw_state *sgm) |
| 837 | { |
Daniel Kurtz | 4dc772d | 2011-08-23 23:02:40 -0700 | [diff] [blame] | 838 | struct synaptics_data *priv = psmouse->private; |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 839 | int num_fingers; |
Daniel Kurtz | 4dc772d | 2011-08-23 23:02:40 -0700 | [diff] [blame] | 840 | |
| 841 | /* |
| 842 | * Update mt_state using the new finger count and current mt_state. |
| 843 | */ |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 844 | if (sgm->z == 0) |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 845 | num_fingers = 0; |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 846 | else if (sgm->w >= 4) |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 847 | num_fingers = 1; |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 848 | else if (sgm->w == 0) |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 849 | num_fingers = 2; |
| 850 | else if (sgm->w == 1) |
| 851 | num_fingers = priv->agm_count ? priv->agm_count : 3; |
Daniel Kurtz | 6b4b49f | 2011-08-23 23:02:56 -0700 | [diff] [blame] | 852 | else |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 853 | num_fingers = 4; |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 854 | |
| 855 | /* Send resulting input events to user space */ |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 856 | synaptics_report_mt_data(psmouse, sgm, num_fingers); |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 857 | } |
| 858 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 859 | /* |
| 860 | * called for each full received packet from the touchpad |
| 861 | */ |
| 862 | static void synaptics_process_packet(struct psmouse *psmouse) |
| 863 | { |
Dmitry Torokhov | 2e5b636 | 2005-09-15 02:01:44 -0500 | [diff] [blame] | 864 | struct input_dev *dev = psmouse->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 865 | struct synaptics_data *priv = psmouse->private; |
| 866 | struct synaptics_hw_state hw; |
| 867 | int num_fingers; |
| 868 | int finger_width; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 869 | |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 870 | if (synaptics_parse_hw_state(psmouse->packet, priv, &hw)) |
| 871 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 872 | |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 873 | if (SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) { |
| 874 | synaptics_image_sensor_process(psmouse, &hw); |
| 875 | return; |
| 876 | } |
| 877 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 878 | if (hw.scroll) { |
| 879 | priv->scroll += hw.scroll; |
| 880 | |
| 881 | while (priv->scroll >= 4) { |
| 882 | input_report_key(dev, BTN_BACK, !hw.down); |
| 883 | input_sync(dev); |
| 884 | input_report_key(dev, BTN_BACK, hw.down); |
| 885 | input_sync(dev); |
| 886 | priv->scroll -= 4; |
| 887 | } |
| 888 | while (priv->scroll <= -4) { |
| 889 | input_report_key(dev, BTN_FORWARD, !hw.up); |
| 890 | input_sync(dev); |
| 891 | input_report_key(dev, BTN_FORWARD, hw.up); |
| 892 | input_sync(dev); |
| 893 | priv->scroll += 4; |
| 894 | } |
| 895 | return; |
| 896 | } |
| 897 | |
Henrik Rydberg | 4f56ce9 | 2010-12-18 15:42:30 +0100 | [diff] [blame] | 898 | if (hw.z > 0 && hw.x > 1) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 899 | num_fingers = 1; |
| 900 | finger_width = 5; |
| 901 | if (SYN_CAP_EXTENDED(priv->capabilities)) { |
| 902 | switch (hw.w) { |
| 903 | case 0 ... 1: |
| 904 | if (SYN_CAP_MULTIFINGER(priv->capabilities)) |
| 905 | num_fingers = hw.w + 2; |
| 906 | break; |
| 907 | case 2: |
| 908 | if (SYN_MODEL_PEN(priv->model_id)) |
| 909 | ; /* Nothing, treat a pen as a single finger */ |
| 910 | break; |
| 911 | case 4 ... 15: |
| 912 | if (SYN_CAP_PALMDETECT(priv->capabilities)) |
| 913 | finger_width = hw.w; |
| 914 | break; |
| 915 | } |
| 916 | } |
| 917 | } else { |
| 918 | num_fingers = 0; |
| 919 | finger_width = 0; |
| 920 | } |
| 921 | |
Henrik Rydberg | e08d9af | 2014-07-14 10:26:56 -0700 | [diff] [blame] | 922 | if (cr48_profile_sensor) { |
Benjamin Tissoires | aa104b1 | 2014-12-29 14:17:44 -0800 | [diff] [blame] | 923 | synaptics_report_mt_data(psmouse, &hw, num_fingers); |
Henrik Rydberg | e08d9af | 2014-07-14 10:26:56 -0700 | [diff] [blame] | 924 | return; |
| 925 | } |
| 926 | |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 927 | if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) |
Daniel Kurtz | 7afdb84 | 2011-08-23 23:00:33 -0700 | [diff] [blame] | 928 | synaptics_report_semi_mt_data(dev, &hw, &priv->agm, |
| 929 | num_fingers); |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 930 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 931 | /* Post events |
| 932 | * BTN_TOUCH has to be first as mousedev relies on it when doing |
| 933 | * absolute -> relative conversion |
| 934 | */ |
| 935 | if (hw.z > 30) input_report_key(dev, BTN_TOUCH, 1); |
| 936 | if (hw.z < 25) input_report_key(dev, BTN_TOUCH, 0); |
| 937 | |
Henrik Rydberg | 4f56ce9 | 2010-12-18 15:42:30 +0100 | [diff] [blame] | 938 | if (num_fingers > 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 939 | input_report_abs(dev, ABS_X, hw.x); |
Daniel Kurtz | 6de58dd | 2011-08-23 23:00:24 -0700 | [diff] [blame] | 940 | input_report_abs(dev, ABS_Y, synaptics_invert_y(hw.y)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 941 | } |
| 942 | input_report_abs(dev, ABS_PRESSURE, hw.z); |
| 943 | |
Chris Bagwell | 2a8e771 | 2010-07-19 09:06:15 -0700 | [diff] [blame] | 944 | if (SYN_CAP_PALMDETECT(priv->capabilities)) |
| 945 | input_report_abs(dev, ABS_TOOL_WIDTH, finger_width); |
| 946 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 947 | input_report_key(dev, BTN_TOOL_FINGER, num_fingers == 1); |
Peter Hutterer | e42b664 | 2008-11-20 15:24:42 -0500 | [diff] [blame] | 948 | if (SYN_CAP_MULTIFINGER(priv->capabilities)) { |
| 949 | input_report_key(dev, BTN_TOOL_DOUBLETAP, num_fingers == 2); |
| 950 | input_report_key(dev, BTN_TOOL_TRIPLETAP, num_fingers == 3); |
| 951 | } |
| 952 | |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 953 | synaptics_report_buttons(psmouse, &hw); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 954 | |
| 955 | input_sync(dev); |
| 956 | } |
| 957 | |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 958 | static int synaptics_validate_byte(struct psmouse *psmouse, |
| 959 | int idx, unsigned char pkt_type) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 960 | { |
Helge Deller | e38de67 | 2006-09-10 21:54:39 -0400 | [diff] [blame] | 961 | static const unsigned char newabs_mask[] = { 0xC8, 0x00, 0x00, 0xC8, 0x00 }; |
| 962 | static const unsigned char newabs_rel_mask[] = { 0xC0, 0x00, 0x00, 0xC0, 0x00 }; |
| 963 | static const unsigned char newabs_rslt[] = { 0x80, 0x00, 0x00, 0xC0, 0x00 }; |
| 964 | static const unsigned char oldabs_mask[] = { 0xC0, 0x60, 0x00, 0xC0, 0x60 }; |
| 965 | static const unsigned char oldabs_rslt[] = { 0xC0, 0x00, 0x00, 0x80, 0x00 }; |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 966 | const char *packet = psmouse->packet; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 967 | |
| 968 | if (idx < 0 || idx > 4) |
| 969 | return 0; |
| 970 | |
| 971 | switch (pkt_type) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 972 | |
Dmitry Torokhov | a62f0d2 | 2010-05-19 10:39:17 -0700 | [diff] [blame] | 973 | case SYN_NEWABS: |
| 974 | case SYN_NEWABS_RELAXED: |
| 975 | return (packet[idx] & newabs_rel_mask[idx]) == newabs_rslt[idx]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 976 | |
Dmitry Torokhov | a62f0d2 | 2010-05-19 10:39:17 -0700 | [diff] [blame] | 977 | case SYN_NEWABS_STRICT: |
| 978 | return (packet[idx] & newabs_mask[idx]) == newabs_rslt[idx]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 979 | |
Dmitry Torokhov | a62f0d2 | 2010-05-19 10:39:17 -0700 | [diff] [blame] | 980 | case SYN_OLDABS: |
| 981 | return (packet[idx] & oldabs_mask[idx]) == oldabs_rslt[idx]; |
| 982 | |
| 983 | default: |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 984 | psmouse_err(psmouse, "unknown packet type %d\n", pkt_type); |
Dmitry Torokhov | a62f0d2 | 2010-05-19 10:39:17 -0700 | [diff] [blame] | 985 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 986 | } |
| 987 | } |
| 988 | |
| 989 | static unsigned char synaptics_detect_pkt_type(struct psmouse *psmouse) |
| 990 | { |
| 991 | int i; |
| 992 | |
| 993 | for (i = 0; i < 5; i++) |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 994 | if (!synaptics_validate_byte(psmouse, i, SYN_NEWABS_STRICT)) { |
| 995 | psmouse_info(psmouse, "using relaxed packet validation\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 996 | return SYN_NEWABS_RELAXED; |
| 997 | } |
| 998 | |
| 999 | return SYN_NEWABS_STRICT; |
| 1000 | } |
| 1001 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 1002 | static psmouse_ret_t synaptics_process_byte(struct psmouse *psmouse) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1003 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1004 | struct synaptics_data *priv = psmouse->private; |
| 1005 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1006 | if (psmouse->pktcnt >= 6) { /* Full packet received */ |
| 1007 | if (unlikely(priv->pkt_type == SYN_NEWABS)) |
| 1008 | priv->pkt_type = synaptics_detect_pkt_type(psmouse); |
| 1009 | |
Dmitry Torokhov | a8b3c0f | 2010-10-04 21:46:10 -0700 | [diff] [blame] | 1010 | if (SYN_CAP_PASS_THROUGH(priv->capabilities) && |
| 1011 | synaptics_is_pt_packet(psmouse->packet)) { |
| 1012 | if (priv->pt_port) |
| 1013 | synaptics_pass_pt_packet(priv->pt_port, psmouse->packet); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1014 | } else |
| 1015 | synaptics_process_packet(psmouse); |
| 1016 | |
| 1017 | return PSMOUSE_FULL_PACKET; |
| 1018 | } |
| 1019 | |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 1020 | return synaptics_validate_byte(psmouse, psmouse->pktcnt - 1, priv->pkt_type) ? |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1021 | PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA; |
| 1022 | } |
| 1023 | |
| 1024 | /***************************************************************************** |
| 1025 | * Driver initialization/cleanup functions |
| 1026 | ****************************************************************************/ |
Daniel Kurtz | 8561547 | 2011-08-23 23:00:41 -0700 | [diff] [blame] | 1027 | static void set_abs_position_params(struct input_dev *dev, |
| 1028 | struct synaptics_data *priv, int x_code, |
| 1029 | int y_code) |
| 1030 | { |
| 1031 | int x_min = priv->x_min ?: XMIN_NOMINAL; |
| 1032 | int x_max = priv->x_max ?: XMAX_NOMINAL; |
| 1033 | int y_min = priv->y_min ?: YMIN_NOMINAL; |
| 1034 | int y_max = priv->y_max ?: YMAX_NOMINAL; |
| 1035 | int fuzz = SYN_CAP_REDUCED_FILTERING(priv->ext_cap_0c) ? |
| 1036 | SYN_REDUCED_FILTER_FUZZ : 0; |
| 1037 | |
| 1038 | input_set_abs_params(dev, x_code, x_min, x_max, fuzz, 0); |
| 1039 | input_set_abs_params(dev, y_code, y_min, y_max, fuzz, 0); |
| 1040 | input_abs_set_res(dev, x_code, priv->x_res); |
| 1041 | input_abs_set_res(dev, y_code, priv->y_res); |
| 1042 | } |
| 1043 | |
Hans de Goede | 43e1988 | 2014-04-19 22:26:41 -0700 | [diff] [blame] | 1044 | static void set_input_params(struct psmouse *psmouse, |
| 1045 | struct synaptics_data *priv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1046 | { |
Hans de Goede | 43e1988 | 2014-04-19 22:26:41 -0700 | [diff] [blame] | 1047 | struct input_dev *dev = psmouse->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1048 | int i; |
| 1049 | |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1050 | /* Things that apply to both modes */ |
Henrik Rydberg | c14890a | 2010-12-16 09:52:23 +0100 | [diff] [blame] | 1051 | __set_bit(INPUT_PROP_POINTER, dev->propbit); |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1052 | __set_bit(EV_KEY, dev->evbit); |
| 1053 | __set_bit(BTN_LEFT, dev->keybit); |
| 1054 | __set_bit(BTN_RIGHT, dev->keybit); |
Henrik Rydberg | c14890a | 2010-12-16 09:52:23 +0100 | [diff] [blame] | 1055 | |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1056 | if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) |
| 1057 | __set_bit(BTN_MIDDLE, dev->keybit); |
| 1058 | |
| 1059 | if (!priv->absolute_mode) { |
| 1060 | /* Relative mode */ |
| 1061 | __set_bit(EV_REL, dev->evbit); |
| 1062 | __set_bit(REL_X, dev->relbit); |
| 1063 | __set_bit(REL_Y, dev->relbit); |
| 1064 | return; |
| 1065 | } |
| 1066 | |
| 1067 | /* Absolute mode */ |
Dmitry Torokhov | b7802c5 | 2009-09-09 19:13:20 -0700 | [diff] [blame] | 1068 | __set_bit(EV_ABS, dev->evbit); |
Daniel Kurtz | 8561547 | 2011-08-23 23:00:41 -0700 | [diff] [blame] | 1069 | set_abs_position_params(dev, priv, ABS_X, ABS_Y); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1070 | input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0); |
Chris Bagwell | 2a8e771 | 2010-07-19 09:06:15 -0700 | [diff] [blame] | 1071 | |
Henrik Rydberg | e08d9af | 2014-07-14 10:26:56 -0700 | [diff] [blame] | 1072 | if (cr48_profile_sensor) |
| 1073 | input_set_abs_params(dev, ABS_MT_PRESSURE, 0, 255, 0, 0); |
| 1074 | |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 1075 | if (SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) { |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 1076 | set_abs_position_params(dev, priv, ABS_MT_POSITION_X, |
| 1077 | ABS_MT_POSITION_Y); |
| 1078 | /* Image sensors can report per-contact pressure */ |
| 1079 | input_set_abs_params(dev, ABS_MT_PRESSURE, 0, 255, 0, 0); |
Benjamin Tissoires | e9e8520 | 2014-12-29 14:15:24 -0800 | [diff] [blame] | 1080 | input_mt_init_slots(dev, 2, INPUT_MT_POINTER | INPUT_MT_TRACK); |
Daniel Kurtz | 6b4b49f | 2011-08-23 23:02:56 -0700 | [diff] [blame] | 1081 | |
| 1082 | /* Image sensors can signal 4 and 5 finger clicks */ |
| 1083 | __set_bit(BTN_TOOL_QUADTAP, dev->keybit); |
| 1084 | __set_bit(BTN_TOOL_QUINTTAP, dev->keybit); |
Daniel Kurtz | 3cdfee9 | 2011-08-23 23:02:25 -0700 | [diff] [blame] | 1085 | } else if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) { |
Daniel Kurtz | 8561547 | 2011-08-23 23:00:41 -0700 | [diff] [blame] | 1086 | set_abs_position_params(dev, priv, ABS_MT_POSITION_X, |
| 1087 | ABS_MT_POSITION_Y); |
Henrik Rydberg | e08d9af | 2014-07-14 10:26:56 -0700 | [diff] [blame] | 1088 | /* |
| 1089 | * Profile sensor in CR-48 tracks contacts reasonably well, |
| 1090 | * other non-image sensors with AGM use semi-mt. |
| 1091 | */ |
Dmitry Torokhov | ae84197 | 2014-07-25 17:12:12 -0700 | [diff] [blame] | 1092 | input_mt_init_slots(dev, 2, |
Henrik Rydberg | e08d9af | 2014-07-14 10:26:56 -0700 | [diff] [blame] | 1093 | INPUT_MT_POINTER | |
| 1094 | (cr48_profile_sensor ? |
| 1095 | INPUT_MT_TRACK : INPUT_MT_SEMI_MT)); |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 1096 | } |
| 1097 | |
Chris Bagwell | 2a8e771 | 2010-07-19 09:06:15 -0700 | [diff] [blame] | 1098 | if (SYN_CAP_PALMDETECT(priv->capabilities)) |
Chris Bagwell | 58fb021 | 2010-07-19 09:06:15 -0700 | [diff] [blame] | 1099 | input_set_abs_params(dev, ABS_TOOL_WIDTH, 0, 15, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1100 | |
Dmitry Torokhov | b7802c5 | 2009-09-09 19:13:20 -0700 | [diff] [blame] | 1101 | __set_bit(BTN_TOUCH, dev->keybit); |
| 1102 | __set_bit(BTN_TOOL_FINGER, dev->keybit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1103 | |
Peter Hutterer | e42b664 | 2008-11-20 15:24:42 -0500 | [diff] [blame] | 1104 | if (SYN_CAP_MULTIFINGER(priv->capabilities)) { |
Dmitry Torokhov | b7802c5 | 2009-09-09 19:13:20 -0700 | [diff] [blame] | 1105 | __set_bit(BTN_TOOL_DOUBLETAP, dev->keybit); |
| 1106 | __set_bit(BTN_TOOL_TRIPLETAP, dev->keybit); |
Peter Hutterer | e42b664 | 2008-11-20 15:24:42 -0500 | [diff] [blame] | 1107 | } |
| 1108 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1109 | if (SYN_CAP_FOUR_BUTTON(priv->capabilities) || |
| 1110 | SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) { |
Dmitry Torokhov | b7802c5 | 2009-09-09 19:13:20 -0700 | [diff] [blame] | 1111 | __set_bit(BTN_FORWARD, dev->keybit); |
| 1112 | __set_bit(BTN_BACK, dev->keybit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1113 | } |
| 1114 | |
| 1115 | for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap); i++) |
Dmitry Torokhov | b7802c5 | 2009-09-09 19:13:20 -0700 | [diff] [blame] | 1116 | __set_bit(BTN_0 + i, dev->keybit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1117 | |
Dmitry Torokhov | b7802c5 | 2009-09-09 19:13:20 -0700 | [diff] [blame] | 1118 | __clear_bit(EV_REL, dev->evbit); |
| 1119 | __clear_bit(REL_X, dev->relbit); |
| 1120 | __clear_bit(REL_Y, dev->relbit); |
Tero Saarni | ec20a02 | 2009-06-10 23:27:24 -0700 | [diff] [blame] | 1121 | |
Takashi Iwai | 5f57d67 | 2010-04-19 10:37:21 -0700 | [diff] [blame] | 1122 | if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) { |
Henrik Rydberg | c14890a | 2010-12-16 09:52:23 +0100 | [diff] [blame] | 1123 | __set_bit(INPUT_PROP_BUTTONPAD, dev->propbit); |
Hans de Goede | 2c75ada | 2014-09-11 10:14:09 -0700 | [diff] [blame] | 1124 | if (psmouse_matches_pnp_id(psmouse, topbuttonpad_pnp_ids)) |
Hans de Goede | e2f6110 | 2014-05-19 22:53:23 -0700 | [diff] [blame] | 1125 | __set_bit(INPUT_PROP_TOPBUTTONPAD, dev->propbit); |
Takashi Iwai | 5f57d67 | 2010-04-19 10:37:21 -0700 | [diff] [blame] | 1126 | /* Clickpads report only left button */ |
| 1127 | __clear_bit(BTN_RIGHT, dev->keybit); |
| 1128 | __clear_bit(BTN_MIDDLE, dev->keybit); |
| 1129 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1130 | } |
| 1131 | |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1132 | static ssize_t synaptics_show_disable_gesture(struct psmouse *psmouse, |
| 1133 | void *data, char *buf) |
| 1134 | { |
| 1135 | struct synaptics_data *priv = psmouse->private; |
| 1136 | |
| 1137 | return sprintf(buf, "%c\n", priv->disable_gesture ? '1' : '0'); |
| 1138 | } |
| 1139 | |
| 1140 | static ssize_t synaptics_set_disable_gesture(struct psmouse *psmouse, |
| 1141 | void *data, const char *buf, |
| 1142 | size_t len) |
| 1143 | { |
| 1144 | struct synaptics_data *priv = psmouse->private; |
| 1145 | unsigned int value; |
| 1146 | int err; |
| 1147 | |
| 1148 | err = kstrtouint(buf, 10, &value); |
| 1149 | if (err) |
| 1150 | return err; |
| 1151 | |
| 1152 | if (value > 1) |
| 1153 | return -EINVAL; |
| 1154 | |
| 1155 | if (value == priv->disable_gesture) |
| 1156 | return len; |
| 1157 | |
| 1158 | priv->disable_gesture = value; |
| 1159 | if (value) |
| 1160 | priv->mode |= SYN_BIT_DISABLE_GESTURE; |
| 1161 | else |
| 1162 | priv->mode &= ~SYN_BIT_DISABLE_GESTURE; |
| 1163 | |
| 1164 | if (synaptics_mode_cmd(psmouse, priv->mode)) |
| 1165 | return -EIO; |
| 1166 | |
| 1167 | return len; |
| 1168 | } |
| 1169 | |
| 1170 | PSMOUSE_DEFINE_ATTR(disable_gesture, S_IWUSR | S_IRUGO, NULL, |
| 1171 | synaptics_show_disable_gesture, |
| 1172 | synaptics_set_disable_gesture); |
| 1173 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1174 | static void synaptics_disconnect(struct psmouse *psmouse) |
| 1175 | { |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1176 | struct synaptics_data *priv = psmouse->private; |
| 1177 | |
| 1178 | if (!priv->absolute_mode && SYN_ID_DISGEST_SUPPORTED(priv->identity)) |
| 1179 | device_remove_file(&psmouse->ps2dev.serio->dev, |
| 1180 | &psmouse_attr_disable_gesture.dattr); |
| 1181 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1182 | synaptics_reset(psmouse); |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1183 | kfree(priv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1184 | psmouse->private = NULL; |
| 1185 | } |
| 1186 | |
| 1187 | static int synaptics_reconnect(struct psmouse *psmouse) |
| 1188 | { |
| 1189 | struct synaptics_data *priv = psmouse->private; |
| 1190 | struct synaptics_data old_priv = *priv; |
Eric Miao | eeb0655 | 2013-06-04 09:30:55 -0700 | [diff] [blame] | 1191 | unsigned char param[2]; |
Alexandre Peixoto Ferreira | c63fe0a | 2011-01-28 22:05:14 -0800 | [diff] [blame] | 1192 | int retry = 0; |
| 1193 | int error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1194 | |
Alexandre Peixoto Ferreira | c63fe0a | 2011-01-28 22:05:14 -0800 | [diff] [blame] | 1195 | do { |
| 1196 | psmouse_reset(psmouse); |
Dmitry Torokhov | 8521478 | 2011-12-12 00:05:53 -0800 | [diff] [blame] | 1197 | if (retry) { |
| 1198 | /* |
| 1199 | * On some boxes, right after resuming, the touchpad |
| 1200 | * needs some time to finish initializing (I assume |
| 1201 | * it needs time to calibrate) and start responding |
| 1202 | * to Synaptics-specific queries, so let's wait a |
| 1203 | * bit. |
| 1204 | */ |
| 1205 | ssleep(1); |
| 1206 | } |
Eric Miao | eeb0655 | 2013-06-04 09:30:55 -0700 | [diff] [blame] | 1207 | ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETID); |
Alexandre Peixoto Ferreira | c63fe0a | 2011-01-28 22:05:14 -0800 | [diff] [blame] | 1208 | error = synaptics_detect(psmouse, 0); |
| 1209 | } while (error && ++retry < 3); |
Andy Whitcroft | 4d36845 | 2009-02-28 12:51:01 -0800 | [diff] [blame] | 1210 | |
Alexandre Peixoto Ferreira | c63fe0a | 2011-01-28 22:05:14 -0800 | [diff] [blame] | 1211 | if (error) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1212 | return -1; |
| 1213 | |
Alexandre Peixoto Ferreira | c63fe0a | 2011-01-28 22:05:14 -0800 | [diff] [blame] | 1214 | if (retry > 1) |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 1215 | psmouse_dbg(psmouse, "reconnected after %d tries\n", retry); |
Alexandre Peixoto Ferreira | c63fe0a | 2011-01-28 22:05:14 -0800 | [diff] [blame] | 1216 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1217 | if (synaptics_query_hardware(psmouse)) { |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 1218 | psmouse_err(psmouse, "Unable to query device.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1219 | return -1; |
| 1220 | } |
| 1221 | |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1222 | if (synaptics_set_mode(psmouse)) { |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 1223 | psmouse_err(psmouse, "Unable to initialize device.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1224 | return -1; |
| 1225 | } |
| 1226 | |
Alexandre Peixoto Ferreira | baddf58 | 2011-01-28 22:05:14 -0800 | [diff] [blame] | 1227 | if (old_priv.identity != priv->identity || |
| 1228 | old_priv.model_id != priv->model_id || |
| 1229 | old_priv.capabilities != priv->capabilities || |
| 1230 | old_priv.ext_cap != priv->ext_cap) { |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 1231 | psmouse_err(psmouse, |
| 1232 | "hardware appears to be different: id(%ld-%ld), model(%ld-%ld), caps(%lx-%lx), ext(%lx-%lx).\n", |
| 1233 | old_priv.identity, priv->identity, |
| 1234 | old_priv.model_id, priv->model_id, |
| 1235 | old_priv.capabilities, priv->capabilities, |
| 1236 | old_priv.ext_cap, priv->ext_cap); |
Alexandre Peixoto Ferreira | baddf58 | 2011-01-28 22:05:14 -0800 | [diff] [blame] | 1237 | return -1; |
| 1238 | } |
| 1239 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1240 | return 0; |
| 1241 | } |
| 1242 | |
Dmitry Torokhov | 7705d54 | 2009-12-03 23:21:14 -0800 | [diff] [blame] | 1243 | static bool impaired_toshiba_kbc; |
| 1244 | |
Sachin Kamat | c963156 | 2013-08-12 11:05:58 -0700 | [diff] [blame] | 1245 | static const struct dmi_system_id toshiba_dmi_table[] __initconst = { |
Dmitry Torokhov | 7705d54 | 2009-12-03 23:21:14 -0800 | [diff] [blame] | 1246 | #if defined(CONFIG_DMI) && defined(CONFIG_X86) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1247 | { |
Dmitry Torokhov | 9961e25 | 2009-12-04 10:24:20 -0800 | [diff] [blame] | 1248 | /* Toshiba Satellite */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1249 | .matches = { |
| 1250 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), |
Richard Thrippleton | 53a2670 | 2006-04-02 00:10:18 -0500 | [diff] [blame] | 1251 | DMI_MATCH(DMI_PRODUCT_NAME, "Satellite"), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1252 | }, |
| 1253 | }, |
Simon Horman | 9ba5eaa | 2005-07-11 01:07:20 -0500 | [diff] [blame] | 1254 | { |
Dmitry Torokhov | 9961e25 | 2009-12-04 10:24:20 -0800 | [diff] [blame] | 1255 | /* Toshiba Dynabook */ |
Simon Horman | 9ba5eaa | 2005-07-11 01:07:20 -0500 | [diff] [blame] | 1256 | .matches = { |
| 1257 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), |
Richard Thrippleton | 53a2670 | 2006-04-02 00:10:18 -0500 | [diff] [blame] | 1258 | DMI_MATCH(DMI_PRODUCT_NAME, "dynabook"), |
| 1259 | }, |
| 1260 | }, |
| 1261 | { |
Dmitry Torokhov | 9961e25 | 2009-12-04 10:24:20 -0800 | [diff] [blame] | 1262 | /* Toshiba Portege M300 */ |
Richard Thrippleton | 53a2670 | 2006-04-02 00:10:18 -0500 | [diff] [blame] | 1263 | .matches = { |
| 1264 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), |
| 1265 | DMI_MATCH(DMI_PRODUCT_NAME, "PORTEGE M300"), |
Simon Horman | 9ba5eaa | 2005-07-11 01:07:20 -0500 | [diff] [blame] | 1266 | }, |
Dmitry Torokhov | 5f5eeff | 2009-10-12 21:35:00 -0700 | [diff] [blame] | 1267 | |
| 1268 | }, |
| 1269 | { |
Dmitry Torokhov | 9961e25 | 2009-12-04 10:24:20 -0800 | [diff] [blame] | 1270 | /* Toshiba Portege M300 */ |
Dmitry Torokhov | 5f5eeff | 2009-10-12 21:35:00 -0700 | [diff] [blame] | 1271 | .matches = { |
| 1272 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), |
| 1273 | DMI_MATCH(DMI_PRODUCT_NAME, "Portable PC"), |
| 1274 | DMI_MATCH(DMI_PRODUCT_VERSION, "Version 1.0"), |
| 1275 | }, |
| 1276 | |
Simon Horman | 9ba5eaa | 2005-07-11 01:07:20 -0500 | [diff] [blame] | 1277 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1278 | #endif |
Jan Beulich | 7087486 | 2011-03-31 00:01:58 -0700 | [diff] [blame] | 1279 | { } |
Dmitry Torokhov | 7705d54 | 2009-12-03 23:21:14 -0800 | [diff] [blame] | 1280 | }; |
| 1281 | |
Andres Salomon | ef8313b | 2010-12-23 01:19:38 -0800 | [diff] [blame] | 1282 | static bool broken_olpc_ec; |
| 1283 | |
Sachin Kamat | c963156 | 2013-08-12 11:05:58 -0700 | [diff] [blame] | 1284 | static const struct dmi_system_id olpc_dmi_table[] __initconst = { |
Andres Salomon | ef8313b | 2010-12-23 01:19:38 -0800 | [diff] [blame] | 1285 | #if defined(CONFIG_DMI) && defined(CONFIG_OLPC) |
| 1286 | { |
| 1287 | /* OLPC XO-1 or XO-1.5 */ |
| 1288 | .matches = { |
| 1289 | DMI_MATCH(DMI_SYS_VENDOR, "OLPC"), |
| 1290 | DMI_MATCH(DMI_PRODUCT_NAME, "XO"), |
| 1291 | }, |
| 1292 | }, |
Andres Salomon | ef8313b | 2010-12-23 01:19:38 -0800 | [diff] [blame] | 1293 | #endif |
Jan Beulich | 7087486 | 2011-03-31 00:01:58 -0700 | [diff] [blame] | 1294 | { } |
Andres Salomon | ef8313b | 2010-12-23 01:19:38 -0800 | [diff] [blame] | 1295 | }; |
| 1296 | |
Henrik Rydberg | e08d9af | 2014-07-14 10:26:56 -0700 | [diff] [blame] | 1297 | static const struct dmi_system_id __initconst cr48_dmi_table[] = { |
| 1298 | #if defined(CONFIG_DMI) && defined(CONFIG_X86) |
| 1299 | { |
| 1300 | /* Cr-48 Chromebook (Codename Mario) */ |
| 1301 | .matches = { |
| 1302 | DMI_MATCH(DMI_SYS_VENDOR, "IEC"), |
| 1303 | DMI_MATCH(DMI_PRODUCT_NAME, "Mario"), |
| 1304 | }, |
| 1305 | }, |
| 1306 | #endif |
| 1307 | { } |
| 1308 | }; |
| 1309 | |
Dmitry Torokhov | aa9724099 | 2014-09-02 09:49:18 -0700 | [diff] [blame] | 1310 | static const struct dmi_system_id forcepad_dmi_table[] __initconst = { |
| 1311 | #if defined(CONFIG_DMI) && defined(CONFIG_X86) |
| 1312 | { |
| 1313 | .matches = { |
| 1314 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), |
| 1315 | DMI_MATCH(DMI_PRODUCT_NAME, "HP EliteBook Folio 1040 G1"), |
| 1316 | }, |
| 1317 | }, |
| 1318 | #endif |
| 1319 | { } |
| 1320 | }; |
| 1321 | |
Dmitry Torokhov | 7705d54 | 2009-12-03 23:21:14 -0800 | [diff] [blame] | 1322 | void __init synaptics_module_init(void) |
| 1323 | { |
| 1324 | impaired_toshiba_kbc = dmi_check_system(toshiba_dmi_table); |
Andres Salomon | ef8313b | 2010-12-23 01:19:38 -0800 | [diff] [blame] | 1325 | broken_olpc_ec = dmi_check_system(olpc_dmi_table); |
Henrik Rydberg | e08d9af | 2014-07-14 10:26:56 -0700 | [diff] [blame] | 1326 | cr48_profile_sensor = dmi_check_system(cr48_dmi_table); |
Dmitry Torokhov | aa9724099 | 2014-09-02 09:49:18 -0700 | [diff] [blame] | 1327 | |
| 1328 | /* |
| 1329 | * Unfortunately ForcePad capability is not exported over PS/2, |
| 1330 | * so we have to resort to checking DMI. |
| 1331 | */ |
| 1332 | is_forcepad = dmi_check_system(forcepad_dmi_table); |
Dmitry Torokhov | 7705d54 | 2009-12-03 23:21:14 -0800 | [diff] [blame] | 1333 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1334 | |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1335 | static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1336 | { |
| 1337 | struct synaptics_data *priv; |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1338 | int err = -1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1339 | |
Andres Salomon | ef8313b | 2010-12-23 01:19:38 -0800 | [diff] [blame] | 1340 | /* |
Daniel Drake | 83551c0 | 2011-11-11 16:05:04 -0800 | [diff] [blame] | 1341 | * The OLPC XO has issues with Synaptics' absolute mode; the constant |
| 1342 | * packet spew overloads the EC such that key presses on the keyboard |
| 1343 | * are missed. Given that, don't even attempt to use Absolute mode. |
| 1344 | * Relative mode seems to work just fine. |
Andres Salomon | ef8313b | 2010-12-23 01:19:38 -0800 | [diff] [blame] | 1345 | */ |
Daniel Drake | 83551c0 | 2011-11-11 16:05:04 -0800 | [diff] [blame] | 1346 | if (absolute_mode && broken_olpc_ec) { |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 1347 | psmouse_info(psmouse, |
| 1348 | "OLPC XO detected, not enabling Synaptics protocol.\n"); |
Andres Salomon | ef8313b | 2010-12-23 01:19:38 -0800 | [diff] [blame] | 1349 | return -ENODEV; |
| 1350 | } |
| 1351 | |
Eric Sesterhenn | b39787a | 2006-03-14 00:09:16 -0500 | [diff] [blame] | 1352 | psmouse->private = priv = kzalloc(sizeof(struct synaptics_data), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1353 | if (!priv) |
Davidlohr Bueso | 6792cbb | 2010-09-29 18:53:35 -0700 | [diff] [blame] | 1354 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1355 | |
Andy Whitcroft | 4d36845 | 2009-02-28 12:51:01 -0800 | [diff] [blame] | 1356 | psmouse_reset(psmouse); |
| 1357 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1358 | if (synaptics_query_hardware(psmouse)) { |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 1359 | psmouse_err(psmouse, "Unable to query device.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1360 | goto init_fail; |
| 1361 | } |
| 1362 | |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1363 | priv->absolute_mode = absolute_mode; |
| 1364 | if (SYN_ID_DISGEST_SUPPORTED(priv->identity)) |
| 1365 | priv->disable_gesture = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1366 | |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1367 | if (synaptics_set_mode(psmouse)) { |
| 1368 | psmouse_err(psmouse, "Unable to initialize device.\n"); |
Henrik Rydberg | fec6e52 | 2010-12-21 18:11:25 +0100 | [diff] [blame] | 1369 | goto init_fail; |
| 1370 | } |
| 1371 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1372 | priv->pkt_type = SYN_MODEL_NEWABS(priv->model_id) ? SYN_NEWABS : SYN_OLDABS; |
| 1373 | |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 1374 | psmouse_info(psmouse, |
Daniel Kurtz | c6bd9d4 | 2012-07-07 18:08:51 -0700 | [diff] [blame] | 1375 | "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] | 1376 | SYN_ID_MODEL(priv->identity), |
| 1377 | SYN_ID_MAJOR(priv->identity), SYN_ID_MINOR(priv->identity), |
| 1378 | priv->model_id, |
Daniel Kurtz | c6bd9d4 | 2012-07-07 18:08:51 -0700 | [diff] [blame] | 1379 | priv->capabilities, priv->ext_cap, priv->ext_cap_0c, |
| 1380 | priv->board_id, priv->firmware_id); |
Dmitry Torokhov | 409b750 | 2005-05-28 02:12:18 -0500 | [diff] [blame] | 1381 | |
Hans de Goede | 43e1988 | 2014-04-19 22:26:41 -0700 | [diff] [blame] | 1382 | set_input_params(psmouse, priv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1383 | |
Dmitry Torokhov | 887cc12 | 2007-04-12 01:30:41 -0400 | [diff] [blame] | 1384 | /* |
| 1385 | * Encode touchpad model so that it can be used to set |
| 1386 | * input device->id.version and be visible to userspace. |
| 1387 | * Because version is __u16 we have to drop something. |
| 1388 | * Hardware info bits seem to be good candidates as they |
| 1389 | * are documented to be for Synaptics corp. internal use. |
| 1390 | */ |
| 1391 | psmouse->model = ((priv->model_id & 0x00ff0000) >> 8) | |
| 1392 | (priv->model_id & 0x000000ff); |
| 1393 | |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1394 | if (absolute_mode) { |
| 1395 | psmouse->protocol_handler = synaptics_process_byte; |
| 1396 | psmouse->pktsize = 6; |
| 1397 | } else { |
| 1398 | /* Relative mode follows standard PS/2 mouse protocol */ |
| 1399 | psmouse->protocol_handler = psmouse_process_byte; |
| 1400 | psmouse->pktsize = 3; |
| 1401 | } |
| 1402 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1403 | psmouse->set_rate = synaptics_set_rate; |
| 1404 | psmouse->disconnect = synaptics_disconnect; |
| 1405 | psmouse->reconnect = synaptics_reconnect; |
Dmitry Torokhov | a1cec06 | 2007-02-18 01:40:24 -0500 | [diff] [blame] | 1406 | psmouse->cleanup = synaptics_reset; |
Dmitry Torokhov | f0d5c6f4 | 2006-01-14 00:27:37 -0500 | [diff] [blame] | 1407 | /* Synaptics can usually stay in sync without extra help */ |
| 1408 | psmouse->resync_time = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1409 | |
| 1410 | if (SYN_CAP_PASS_THROUGH(priv->capabilities)) |
| 1411 | synaptics_pt_create(psmouse); |
| 1412 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1413 | /* |
| 1414 | * Toshiba's KBC seems to have trouble handling data from |
Andres Salomon | 7ee9916 | 2010-12-23 01:18:28 -0800 | [diff] [blame] | 1415 | * Synaptics at full rate. Switch to a lower rate (roughly |
| 1416 | * the same rate as a standard PS/2 mouse). |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1417 | */ |
Dmitry Torokhov | 7705d54 | 2009-12-03 23:21:14 -0800 | [diff] [blame] | 1418 | if (psmouse->rate >= 80 && impaired_toshiba_kbc) { |
Dmitry Torokhov | b5d2170 | 2011-10-10 18:27:03 -0700 | [diff] [blame] | 1419 | psmouse_info(psmouse, |
| 1420 | "Toshiba %s detected, limiting rate to 40pps.\n", |
| 1421 | dmi_get_system_info(DMI_PRODUCT_NAME)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1422 | psmouse->rate = 40; |
| 1423 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1424 | |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1425 | if (!priv->absolute_mode && SYN_ID_DISGEST_SUPPORTED(priv->identity)) { |
| 1426 | err = device_create_file(&psmouse->ps2dev.serio->dev, |
| 1427 | &psmouse_attr_disable_gesture.dattr); |
| 1428 | if (err) { |
| 1429 | psmouse_err(psmouse, |
| 1430 | "Failed to create disable_gesture attribute (%d)", |
| 1431 | err); |
| 1432 | goto init_fail; |
| 1433 | } |
| 1434 | } |
| 1435 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1436 | return 0; |
| 1437 | |
| 1438 | init_fail: |
| 1439 | kfree(priv); |
Daniel Drake | 7968a5d | 2011-11-08 00:00:35 -0800 | [diff] [blame] | 1440 | return err; |
| 1441 | } |
| 1442 | |
| 1443 | int synaptics_init(struct psmouse *psmouse) |
| 1444 | { |
| 1445 | return __synaptics_init(psmouse, true); |
| 1446 | } |
| 1447 | |
| 1448 | int synaptics_init_relative(struct psmouse *psmouse) |
| 1449 | { |
| 1450 | return __synaptics_init(psmouse, false); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1451 | } |
| 1452 | |
Daniel Drake | e4e6efd | 2010-01-07 01:52:39 -0800 | [diff] [blame] | 1453 | bool synaptics_supported(void) |
| 1454 | { |
| 1455 | return true; |
| 1456 | } |
| 1457 | |
Andres Salomon | 55e3d92 | 2007-03-10 01:39:54 -0500 | [diff] [blame] | 1458 | #else /* CONFIG_MOUSE_PS2_SYNAPTICS */ |
| 1459 | |
Dmitry Torokhov | 7705d54 | 2009-12-03 23:21:14 -0800 | [diff] [blame] | 1460 | void __init synaptics_module_init(void) |
| 1461 | { |
| 1462 | } |
| 1463 | |
Andres Salomon | 55e3d92 | 2007-03-10 01:39:54 -0500 | [diff] [blame] | 1464 | int synaptics_init(struct psmouse *psmouse) |
| 1465 | { |
| 1466 | return -ENOSYS; |
| 1467 | } |
| 1468 | |
Daniel Drake | e4e6efd | 2010-01-07 01:52:39 -0800 | [diff] [blame] | 1469 | bool synaptics_supported(void) |
| 1470 | { |
| 1471 | return false; |
| 1472 | } |
| 1473 | |
Andres Salomon | 55e3d92 | 2007-03-10 01:39:54 -0500 | [diff] [blame] | 1474 | #endif /* CONFIG_MOUSE_PS2_SYNAPTICS */ |