Commit | Line | Data |
---|---|---|
1da177e4 LT |
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> | |
8521478f | 27 | #include <linux/delay.h> |
7705d548 | 28 | #include <linux/dmi.h> |
fec6e525 | 29 | #include <linux/input/mt.h> |
1da177e4 LT |
30 | #include <linux/serio.h> |
31 | #include <linux/libps2.h> | |
e839ffab BT |
32 | #include <linux/rmi.h> |
33 | #include <linux/i2c.h> | |
5a0e3ad6 | 34 | #include <linux/slab.h> |
1da177e4 LT |
35 | #include "psmouse.h" |
36 | #include "synaptics.h" | |
37 | ||
38 | /* | |
39 | * The x/y limits are taken from the Synaptics TouchPad interfacing Guide, | |
40 | * section 2.3.2, which says that they should be valid regardless of the | |
41 | * actual size of the sensor. | |
83ba9ea8 DT |
42 | * Note that newer firmware allows querying device for maximum useable |
43 | * coordinates. | |
1da177e4 | 44 | */ |
c0394506 SF |
45 | #define XMIN 0 |
46 | #define XMAX 6143 | |
47 | #define YMIN 0 | |
48 | #define YMAX 6143 | |
1da177e4 LT |
49 | #define XMIN_NOMINAL 1472 |
50 | #define XMAX_NOMINAL 5472 | |
51 | #define YMIN_NOMINAL 1408 | |
52 | #define YMAX_NOMINAL 4448 | |
53 | ||
c0394506 SF |
54 | /* Size in bits of absolute position values reported by the hardware */ |
55 | #define ABS_POS_BITS 13 | |
56 | ||
57 | /* | |
824efd37 SF |
58 | * These values should represent the absolute maximum value that will |
59 | * be reported for a positive position value. Some Synaptics firmware | |
60 | * uses this value to indicate a finger near the edge of the touchpad | |
61 | * whose precise position cannot be determined. | |
62 | * | |
63 | * At least one touchpad is known to report positions in excess of this | |
64 | * value which are actually negative values truncated to the 13-bit | |
65 | * reporting range. These values have never been observed to be lower | |
66 | * than 8184 (i.e. -8), so we treat all values greater than 8176 as | |
67 | * negative and any other value as positive. | |
c0394506 | 68 | */ |
824efd37 SF |
69 | #define X_MAX_POSITIVE 8176 |
70 | #define Y_MAX_POSITIVE 8176 | |
55e3d922 | 71 | |
58fd9af6 BT |
72 | /* maximum ABS_MT_POSITION displacement (in mm) */ |
73 | #define DMAX 10 | |
74 | ||
1da177e4 | 75 | /***************************************************************************** |
55e3d922 | 76 | * Stuff we need even when we do not want native Synaptics support |
1da177e4 LT |
77 | ****************************************************************************/ |
78 | ||
79 | /* | |
55e3d922 | 80 | * Set the synaptics touchpad mode byte by special commands |
1da177e4 | 81 | */ |
f6c4442b | 82 | static int synaptics_mode_cmd(struct psmouse *psmouse, u8 mode) |
1da177e4 | 83 | { |
f6c4442b | 84 | u8 param[1]; |
212baf03 DT |
85 | int error; |
86 | ||
08be954b | 87 | error = ps2_sliced_command(&psmouse->ps2dev, mode); |
212baf03 DT |
88 | if (error) |
89 | return error; | |
55e3d922 | 90 | |
55e3d922 | 91 | param[0] = SYN_PS_SET_MODE2; |
212baf03 DT |
92 | error = ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_SETRATE); |
93 | if (error) | |
94 | return error; | |
95 | ||
1da177e4 LT |
96 | return 0; |
97 | } | |
98 | ||
b7802c5c | 99 | int synaptics_detect(struct psmouse *psmouse, bool set_properties) |
55e3d922 AS |
100 | { |
101 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
f39f8688 | 102 | u8 param[4] = { 0 }; |
55e3d922 AS |
103 | |
104 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); | |
105 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); | |
106 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); | |
107 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); | |
108 | ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO); | |
109 | ||
110 | if (param[1] != 0x47) | |
111 | return -ENODEV; | |
112 | ||
113 | if (set_properties) { | |
114 | psmouse->vendor = "Synaptics"; | |
115 | psmouse->name = "TouchPad"; | |
116 | } | |
117 | ||
118 | return 0; | |
119 | } | |
120 | ||
121 | void synaptics_reset(struct psmouse *psmouse) | |
122 | { | |
123 | /* reset touchpad back to relative mode, gestures enabled */ | |
124 | synaptics_mode_cmd(psmouse, 0); | |
125 | } | |
126 | ||
e839ffab BT |
127 | #if defined(CONFIG_MOUSE_PS2_SYNAPTICS) || \ |
128 | defined(CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS) | |
0f68f39c | 129 | |
43e19888 HG |
130 | /* This list has been kindly provided by Synaptics. */ |
131 | static const char * const topbuttonpad_pnp_ids[] = { | |
132 | "LEN0017", | |
133 | "LEN0018", | |
134 | "LEN0019", | |
135 | "LEN0023", | |
136 | "LEN002A", | |
137 | "LEN002B", | |
138 | "LEN002C", | |
139 | "LEN002D", | |
140 | "LEN002E", | |
141 | "LEN0033", /* Helix */ | |
0f68f39c | 142 | "LEN0034", /* T431s, L440, L540, T540, W540, X1 Carbon 2nd */ |
43e19888 HG |
143 | "LEN0035", /* X240 */ |
144 | "LEN0036", /* T440 */ | |
8543cf1c | 145 | "LEN0037", /* X1 Carbon 2nd */ |
43e19888 | 146 | "LEN0038", |
e4742b1e | 147 | "LEN0039", /* T440s */ |
43e19888 HG |
148 | "LEN0041", |
149 | "LEN0042", /* Yoga */ | |
150 | "LEN0045", | |
43e19888 | 151 | "LEN0047", |
43e19888 | 152 | "LEN0049", |
7f2ca8b5 | 153 | "LEN2000", /* S540 */ |
0f68f39c | 154 | "LEN2001", /* Edge E431 */ |
e76aed9d | 155 | "LEN2002", /* Edge E531 */ |
43e19888 HG |
156 | "LEN2003", |
157 | "LEN2004", /* L440 */ | |
158 | "LEN2005", | |
98dc0703 | 159 | "LEN2006", /* Edge E440/E540 */ |
43e19888 HG |
160 | "LEN2007", |
161 | "LEN2008", | |
162 | "LEN2009", | |
163 | "LEN200A", | |
164 | "LEN200B", | |
165 | NULL | |
166 | }; | |
55e3d922 | 167 | |
e839ffab BT |
168 | static const char * const smbus_pnp_ids[] = { |
169 | /* all of the topbuttonpad_pnp_ids are valid, we just add some extras */ | |
170 | "LEN0048", /* X1 Carbon 3 */ | |
171 | "LEN0046", /* X250 */ | |
172 | "LEN004a", /* W541 */ | |
9df39bed | 173 | "LEN005b", /* P50 */ |
ca504728 | 174 | "LEN005e", /* T560 */ |
ad8fb554 | 175 | "LEN0071", /* T480 */ |
9b207102 | 176 | "LEN0072", /* X1 Carbon Gen 5 (2017) - Elan/ALPS trackpoint */ |
15e2cffe | 177 | "LEN0073", /* X1 Carbon G5 (Elantech) */ |
5717a09a AM |
178 | "LEN0092", /* X1 Carbon 6 */ |
179 | "LEN0096", /* X280 */ | |
ad8fb554 | 180 | "LEN0097", /* X280 -> ALPS trackpoint */ |
e839ffab | 181 | "LEN200f", /* T450s */ |
7a717122 | 182 | "SYN3052", /* HP EliteBook 840 G4 */ |
5a6dab15 | 183 | "SYN3221", /* HP 15-ay000 */ |
de4e374b DT |
184 | NULL |
185 | }; | |
186 | ||
f4101ff8 BT |
187 | static const char * const forcepad_pnp_ids[] = { |
188 | "SYN300D", | |
189 | "SYN3014", | |
190 | NULL | |
191 | }; | |
192 | ||
1a49a0a0 | 193 | /* |
e839ffab | 194 | * Send a command to the synpatics touchpad by special commands |
1a49a0a0 | 195 | */ |
f6c4442b | 196 | static int synaptics_send_cmd(struct psmouse *psmouse, u8 cmd, u8 *param) |
1a49a0a0 | 197 | { |
e839ffab BT |
198 | int error; |
199 | ||
08be954b | 200 | error = ps2_sliced_command(&psmouse->ps2dev, cmd); |
e839ffab BT |
201 | if (error) |
202 | return error; | |
203 | ||
204 | error = ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETINFO); | |
205 | if (error) | |
206 | return error; | |
207 | ||
208 | return 0; | |
1a49a0a0 JD |
209 | } |
210 | ||
2c6ecbba DT |
211 | static int synaptics_query_int(struct psmouse *psmouse, u8 query_cmd, u32 *val) |
212 | { | |
213 | int error; | |
214 | union { | |
215 | __be32 be_val; | |
216 | char buf[4]; | |
217 | } resp = { 0 }; | |
218 | ||
219 | error = synaptics_send_cmd(psmouse, query_cmd, resp.buf + 1); | |
220 | if (error) | |
221 | return error; | |
222 | ||
223 | *val = be32_to_cpu(resp.be_val); | |
224 | return 0; | |
225 | } | |
226 | ||
1da177e4 | 227 | /* |
e839ffab BT |
228 | * Identify Touchpad |
229 | * See also the SYN_ID_* macros | |
1da177e4 | 230 | */ |
e839ffab BT |
231 | static int synaptics_identify(struct psmouse *psmouse, |
232 | struct synaptics_device_info *info) | |
1da177e4 | 233 | { |
e839ffab BT |
234 | int error; |
235 | ||
2c6ecbba | 236 | error = synaptics_query_int(psmouse, SYN_QUE_IDENTIFY, &info->identity); |
e839ffab BT |
237 | if (error) |
238 | return error; | |
239 | ||
e839ffab | 240 | return SYN_ID_IS_SYNAPTICS(info->identity) ? 0 : -ENXIO; |
1da177e4 LT |
241 | } |
242 | ||
243 | /* | |
244 | * Read the model-id bytes from the touchpad | |
245 | * see also SYN_MODEL_* macros | |
246 | */ | |
6c53694f DT |
247 | static int synaptics_model_id(struct psmouse *psmouse, |
248 | struct synaptics_device_info *info) | |
1da177e4 | 249 | { |
2c6ecbba | 250 | return synaptics_query_int(psmouse, SYN_QUE_MODEL, &info->model_id); |
1da177e4 LT |
251 | } |
252 | ||
e839ffab BT |
253 | /* |
254 | * Read the firmware id from the touchpad | |
255 | */ | |
256 | static int synaptics_firmware_id(struct psmouse *psmouse, | |
257 | struct synaptics_device_info *info) | |
258 | { | |
2c6ecbba DT |
259 | return synaptics_query_int(psmouse, SYN_QUE_FIRMWARE_ID, |
260 | &info->firmware_id); | |
06aa374b BT |
261 | } |
262 | ||
c6bd9d46 | 263 | /* |
06aa374b | 264 | * Read the board id and the "More Extended Queries" from the touchpad |
c6bd9d46 DK |
265 | * The board id is encoded in the "QUERY MODES" response |
266 | */ | |
6c53694f DT |
267 | static int synaptics_query_modes(struct psmouse *psmouse, |
268 | struct synaptics_device_info *info) | |
c6bd9d46 | 269 | { |
f6c4442b | 270 | u8 bid[3]; |
6c53694f | 271 | int error; |
c6bd9d46 | 272 | |
b57a7128 | 273 | /* firmwares prior 7.5 have no board_id encoded */ |
6c53694f | 274 | if (SYN_ID_FULL(info->identity) < 0x705) |
b57a7128 BT |
275 | return 0; |
276 | ||
6c53694f DT |
277 | error = synaptics_send_cmd(psmouse, SYN_QUE_MODES, bid); |
278 | if (error) | |
279 | return error; | |
280 | ||
281 | info->board_id = ((bid[0] & 0xfc) << 6) | bid[1]; | |
06aa374b BT |
282 | |
283 | if (SYN_MEXT_CAP_BIT(bid[0])) | |
2c6ecbba DT |
284 | return synaptics_query_int(psmouse, SYN_QUE_MEXT_CAPAB_10, |
285 | &info->ext_cap_10); | |
06aa374b | 286 | |
c6bd9d46 DK |
287 | return 0; |
288 | } | |
289 | ||
1da177e4 LT |
290 | /* |
291 | * Read the capability-bits from the touchpad | |
292 | * see also the SYN_CAP_* macros | |
293 | */ | |
6c53694f DT |
294 | static int synaptics_capability(struct psmouse *psmouse, |
295 | struct synaptics_device_info *info) | |
1da177e4 | 296 | { |
6c53694f | 297 | int error; |
1da177e4 | 298 | |
2c6ecbba DT |
299 | error = synaptics_query_int(psmouse, SYN_QUE_CAPABILITIES, |
300 | &info->capabilities); | |
6c53694f DT |
301 | if (error) |
302 | return error; | |
303 | ||
6c53694f | 304 | info->ext_cap = info->ext_cap_0c = 0; |
5f57d67d | 305 | |
3619b8fe DT |
306 | /* |
307 | * Older firmwares had submodel ID fixed to 0x47 | |
308 | */ | |
6c53694f DT |
309 | if (SYN_ID_FULL(info->identity) < 0x705 && |
310 | SYN_CAP_SUBMODEL_ID(info->capabilities) != 0x47) { | |
311 | return -ENXIO; | |
3619b8fe | 312 | } |
1da177e4 LT |
313 | |
314 | /* | |
315 | * Unless capExtended is set the rest of the flags should be ignored | |
316 | */ | |
6c53694f DT |
317 | if (!SYN_CAP_EXTENDED(info->capabilities)) |
318 | info->capabilities = 0; | |
1da177e4 | 319 | |
6c53694f | 320 | if (SYN_EXT_CAP_REQUESTS(info->capabilities) >= 1) { |
2c6ecbba DT |
321 | error = synaptics_query_int(psmouse, SYN_QUE_EXT_CAPAB, |
322 | &info->ext_cap); | |
323 | if (error) { | |
b5d21704 DT |
324 | psmouse_warn(psmouse, |
325 | "device claims to have extended capabilities, but I'm not able to read them.\n"); | |
1da177e4 | 326 | } else { |
1da177e4 LT |
327 | /* |
328 | * if nExtBtn is greater than 8 it should be considered | |
329 | * invalid and treated as 0 | |
330 | */ | |
6c53694f | 331 | if (SYN_CAP_MULTI_BUTTON_NO(info->ext_cap) > 8) |
2c6ecbba | 332 | info->ext_cap &= ~SYN_CAP_MB_MASK; |
1da177e4 LT |
333 | } |
334 | } | |
5f57d67d | 335 | |
6c53694f | 336 | if (SYN_EXT_CAP_REQUESTS(info->capabilities) >= 4) { |
2c6ecbba DT |
337 | error = synaptics_query_int(psmouse, SYN_QUE_EXT_CAPAB_0C, |
338 | &info->ext_cap_0c); | |
6c53694f | 339 | if (error) |
b5d21704 DT |
340 | psmouse_warn(psmouse, |
341 | "device claims to have extended capability 0x0c, but I'm not able to read it.\n"); | |
5f57d67d TI |
342 | } |
343 | ||
1da177e4 LT |
344 | return 0; |
345 | } | |
346 | ||
ec20a022 | 347 | /* |
83ba9ea8 | 348 | * Read touchpad resolution and maximum reported coordinates |
ec20a022 TS |
349 | * Resolution is left zero if touchpad does not support the query |
350 | */ | |
6c53694f DT |
351 | static int synaptics_resolution(struct psmouse *psmouse, |
352 | struct synaptics_device_info *info) | |
ec20a022 | 353 | { |
f6c4442b | 354 | u8 resp[3]; |
6c53694f | 355 | int error; |
ec20a022 | 356 | |
6c53694f | 357 | if (SYN_ID_MAJOR(info->identity) < 4) |
bbddd199 | 358 | return 0; |
ec20a022 | 359 | |
6c53694f DT |
360 | error = synaptics_send_cmd(psmouse, SYN_QUE_RESOLUTION, resp); |
361 | if (!error) { | |
a66413fb | 362 | if (resp[0] != 0 && (resp[1] & 0x80) && resp[2] != 0) { |
6c53694f DT |
363 | info->x_res = resp[0]; /* x resolution in units/mm */ |
364 | info->y_res = resp[2]; /* y resolution in units/mm */ | |
83ba9ea8 DT |
365 | } |
366 | } | |
ec20a022 | 367 | |
6c53694f DT |
368 | if (SYN_EXT_CAP_REQUESTS(info->capabilities) >= 5 && |
369 | SYN_CAP_MAX_DIMENSIONS(info->ext_cap_0c)) { | |
370 | error = synaptics_send_cmd(psmouse, | |
371 | SYN_QUE_EXT_MAX_COORDS, resp); | |
372 | if (error) { | |
b5d21704 DT |
373 | psmouse_warn(psmouse, |
374 | "device claims to have max coordinates query, but I'm not able to read it.\n"); | |
a66413fb | 375 | } else { |
6c53694f DT |
376 | info->x_max = (resp[0] << 5) | ((resp[1] & 0x0f) << 1); |
377 | info->y_max = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3); | |
9aff6598 DM |
378 | psmouse_info(psmouse, |
379 | "queried max coordinates: x [..%d], y [..%d]\n", | |
6c53694f | 380 | info->x_max, info->y_max); |
a66413fb DT |
381 | } |
382 | } | |
383 | ||
6c53694f DT |
384 | if (SYN_CAP_MIN_DIMENSIONS(info->ext_cap_0c) && |
385 | (SYN_EXT_CAP_REQUESTS(info->capabilities) >= 7 || | |
ac097930 DM |
386 | /* |
387 | * Firmware v8.1 does not report proper number of extended | |
388 | * capabilities, but has been proven to report correct min | |
389 | * coordinates. | |
390 | */ | |
6c53694f DT |
391 | SYN_ID_FULL(info->identity) == 0x801)) { |
392 | error = synaptics_send_cmd(psmouse, | |
393 | SYN_QUE_EXT_MIN_COORDS, resp); | |
394 | if (error) { | |
b5d21704 DT |
395 | psmouse_warn(psmouse, |
396 | "device claims to have min coordinates query, but I'm not able to read it.\n"); | |
83ba9ea8 | 397 | } else { |
6c53694f DT |
398 | info->x_min = (resp[0] << 5) | ((resp[1] & 0x0f) << 1); |
399 | info->y_min = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3); | |
9aff6598 DM |
400 | psmouse_info(psmouse, |
401 | "queried min coordinates: x [%d..], y [%d..]\n", | |
6c53694f | 402 | info->x_min, info->y_min); |
83ba9ea8 | 403 | } |
ec20a022 TS |
404 | } |
405 | ||
406 | return 0; | |
407 | } | |
408 | ||
e839ffab BT |
409 | static int synaptics_query_hardware(struct psmouse *psmouse, |
410 | struct synaptics_device_info *info) | |
411 | { | |
412 | int error; | |
413 | ||
27555511 EB |
414 | memset(info, 0, sizeof(*info)); |
415 | ||
e839ffab BT |
416 | error = synaptics_identify(psmouse, info); |
417 | if (error) | |
418 | return error; | |
419 | ||
420 | error = synaptics_model_id(psmouse, info); | |
421 | if (error) | |
422 | return error; | |
423 | ||
424 | error = synaptics_firmware_id(psmouse, info); | |
425 | if (error) | |
426 | return error; | |
427 | ||
428 | error = synaptics_query_modes(psmouse, info); | |
429 | if (error) | |
430 | return error; | |
431 | ||
432 | error = synaptics_capability(psmouse, info); | |
433 | if (error) | |
434 | return error; | |
435 | ||
436 | error = synaptics_resolution(psmouse, info); | |
437 | if (error) | |
438 | return error; | |
439 | ||
440 | return 0; | |
441 | } | |
442 | ||
443 | #endif /* CONFIG_MOUSE_PS2_SYNAPTICS || CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS */ | |
444 | ||
445 | #ifdef CONFIG_MOUSE_PS2_SYNAPTICS | |
446 | ||
447 | static bool cr48_profile_sensor; | |
448 | ||
449 | #define ANY_BOARD_ID 0 | |
450 | struct min_max_quirk { | |
451 | const char * const *pnp_ids; | |
452 | struct { | |
453 | u32 min, max; | |
454 | } board_id; | |
455 | u32 x_min, x_max, y_min, y_max; | |
456 | }; | |
457 | ||
458 | static const struct min_max_quirk min_max_pnpid_table[] = { | |
459 | { | |
460 | (const char * const []){"LEN0033", NULL}, | |
461 | {ANY_BOARD_ID, ANY_BOARD_ID}, | |
462 | 1024, 5052, 2258, 4832 | |
463 | }, | |
464 | { | |
465 | (const char * const []){"LEN0042", NULL}, | |
466 | {ANY_BOARD_ID, ANY_BOARD_ID}, | |
467 | 1232, 5710, 1156, 4696 | |
468 | }, | |
469 | { | |
470 | (const char * const []){"LEN0034", "LEN0036", "LEN0037", | |
471 | "LEN0039", "LEN2002", "LEN2004", | |
472 | NULL}, | |
473 | {ANY_BOARD_ID, 2961}, | |
474 | 1024, 5112, 2024, 4832 | |
475 | }, | |
476 | { | |
477 | (const char * const []){"LEN2000", NULL}, | |
478 | {ANY_BOARD_ID, ANY_BOARD_ID}, | |
479 | 1024, 5113, 2021, 4832 | |
480 | }, | |
481 | { | |
482 | (const char * const []){"LEN2001", NULL}, | |
483 | {ANY_BOARD_ID, ANY_BOARD_ID}, | |
484 | 1024, 5022, 2508, 4832 | |
485 | }, | |
486 | { | |
487 | (const char * const []){"LEN2006", NULL}, | |
488 | {2691, 2691}, | |
489 | 1024, 5045, 2457, 4832 | |
490 | }, | |
491 | { | |
492 | (const char * const []){"LEN2006", NULL}, | |
493 | {ANY_BOARD_ID, ANY_BOARD_ID}, | |
494 | 1264, 5675, 1171, 4688 | |
495 | }, | |
496 | { } | |
497 | }; | |
498 | ||
e839ffab BT |
499 | /***************************************************************************** |
500 | * Synaptics communications functions | |
501 | ****************************************************************************/ | |
502 | ||
503 | /* | |
504 | * Synaptics touchpads report the y coordinate from bottom to top, which is | |
505 | * opposite from what userspace expects. | |
506 | * This function is used to invert y before reporting. | |
507 | */ | |
508 | static int synaptics_invert_y(int y) | |
509 | { | |
510 | return YMAX_NOMINAL + YMIN_NOMINAL - y; | |
511 | } | |
512 | ||
8b04baba DM |
513 | /* |
514 | * Apply quirk(s) if the hardware matches | |
515 | */ | |
6c53694f DT |
516 | static void synaptics_apply_quirks(struct psmouse *psmouse, |
517 | struct synaptics_device_info *info) | |
8b04baba | 518 | { |
8b04baba DM |
519 | int i; |
520 | ||
521 | for (i = 0; min_max_pnpid_table[i].pnp_ids; i++) { | |
5b3089dd DM |
522 | if (!psmouse_matches_pnp_id(psmouse, |
523 | min_max_pnpid_table[i].pnp_ids)) | |
524 | continue; | |
525 | ||
526 | if (min_max_pnpid_table[i].board_id.min != ANY_BOARD_ID && | |
6c53694f | 527 | info->board_id < min_max_pnpid_table[i].board_id.min) |
5b3089dd DM |
528 | continue; |
529 | ||
530 | if (min_max_pnpid_table[i].board_id.max != ANY_BOARD_ID && | |
6c53694f | 531 | info->board_id > min_max_pnpid_table[i].board_id.max) |
5b3089dd DM |
532 | continue; |
533 | ||
6c53694f DT |
534 | info->x_min = min_max_pnpid_table[i].x_min; |
535 | info->x_max = min_max_pnpid_table[i].x_max; | |
536 | info->y_min = min_max_pnpid_table[i].y_min; | |
537 | info->y_max = min_max_pnpid_table[i].y_max; | |
5b3089dd DM |
538 | psmouse_info(psmouse, |
539 | "quirked min/max coordinates: x [%d..%d], y [%d..%d]\n", | |
6c53694f DT |
540 | info->x_min, info->x_max, |
541 | info->y_min, info->y_max); | |
5b3089dd | 542 | break; |
8b04baba DM |
543 | } |
544 | } | |
545 | ||
3f9db52d AM |
546 | static bool synaptics_has_agm(struct synaptics_data *priv) |
547 | { | |
548 | return (SYN_CAP_ADV_GESTURE(priv->info.ext_cap_0c) || | |
549 | SYN_CAP_IMAGE_SENSOR(priv->info.ext_cap_0c)); | |
550 | } | |
551 | ||
7968a5dd DD |
552 | static int synaptics_set_advanced_gesture_mode(struct psmouse *psmouse) |
553 | { | |
f6c4442b | 554 | static u8 param = 0xc8; |
212baf03 | 555 | int error; |
7968a5dd | 556 | |
08be954b | 557 | error = ps2_sliced_command(&psmouse->ps2dev, SYN_QUE_MODEL); |
212baf03 DT |
558 | if (error) |
559 | return error; | |
7968a5dd | 560 | |
212baf03 DT |
561 | error = ps2_command(&psmouse->ps2dev, ¶m, PSMOUSE_CMD_SETRATE); |
562 | if (error) | |
563 | return error; | |
7968a5dd | 564 | |
7968a5dd DD |
565 | return 0; |
566 | } | |
567 | ||
568 | static int synaptics_set_mode(struct psmouse *psmouse) | |
1da177e4 LT |
569 | { |
570 | struct synaptics_data *priv = psmouse->private; | |
212baf03 | 571 | int error; |
1da177e4 | 572 | |
7968a5dd | 573 | priv->mode = 0; |
62d78461 | 574 | if (priv->absolute_mode) |
7968a5dd | 575 | priv->mode |= SYN_BIT_ABSOLUTE_MODE; |
62d78461 | 576 | if (priv->disable_gesture) |
1da177e4 | 577 | priv->mode |= SYN_BIT_DISABLE_GESTURE; |
7968a5dd DD |
578 | if (psmouse->rate >= 80) |
579 | priv->mode |= SYN_BIT_HIGH_RATE; | |
6c53694f | 580 | if (SYN_CAP_EXTENDED(priv->info.capabilities)) |
62d78461 | 581 | priv->mode |= SYN_BIT_W_MODE; |
1da177e4 | 582 | |
212baf03 DT |
583 | error = synaptics_mode_cmd(psmouse, priv->mode); |
584 | if (error) | |
585 | return error; | |
1da177e4 | 586 | |
3f9db52d | 587 | if (priv->absolute_mode && synaptics_has_agm(priv)) { |
212baf03 DT |
588 | error = synaptics_set_advanced_gesture_mode(psmouse); |
589 | if (error) { | |
590 | psmouse_err(psmouse, | |
591 | "Advanced gesture mode init failed: %d\n", | |
592 | error); | |
593 | return error; | |
594 | } | |
7968a5dd DD |
595 | } |
596 | ||
1da177e4 LT |
597 | return 0; |
598 | } | |
599 | ||
600 | static void synaptics_set_rate(struct psmouse *psmouse, unsigned int rate) | |
601 | { | |
602 | struct synaptics_data *priv = psmouse->private; | |
603 | ||
604 | if (rate >= 80) { | |
605 | priv->mode |= SYN_BIT_HIGH_RATE; | |
606 | psmouse->rate = 80; | |
607 | } else { | |
608 | priv->mode &= ~SYN_BIT_HIGH_RATE; | |
609 | psmouse->rate = 40; | |
610 | } | |
611 | ||
612 | synaptics_mode_cmd(psmouse, priv->mode); | |
613 | } | |
614 | ||
615 | /***************************************************************************** | |
616 | * Synaptics pass-through PS/2 port support | |
617 | ****************************************************************************/ | |
f6c4442b | 618 | static int synaptics_pt_write(struct serio *serio, u8 c) |
1da177e4 LT |
619 | { |
620 | struct psmouse *parent = serio_get_drvdata(serio->parent); | |
212baf03 DT |
621 | u8 rate_param = SYN_PS_CLIENT_CMD; /* indicates that we want pass-through port */ |
622 | int error; | |
623 | ||
08be954b | 624 | error = ps2_sliced_command(&parent->ps2dev, c); |
212baf03 DT |
625 | if (error) |
626 | return error; | |
627 | ||
628 | error = ps2_command(&parent->ps2dev, &rate_param, PSMOUSE_CMD_SETRATE); | |
629 | if (error) | |
630 | return error; | |
1da177e4 | 631 | |
1da177e4 LT |
632 | return 0; |
633 | } | |
634 | ||
a8b3c0f5 DT |
635 | static int synaptics_pt_start(struct serio *serio) |
636 | { | |
637 | struct psmouse *parent = serio_get_drvdata(serio->parent); | |
638 | struct synaptics_data *priv = parent->private; | |
639 | ||
640 | serio_pause_rx(parent->ps2dev.serio); | |
641 | priv->pt_port = serio; | |
642 | serio_continue_rx(parent->ps2dev.serio); | |
643 | ||
644 | return 0; | |
645 | } | |
646 | ||
647 | static void synaptics_pt_stop(struct serio *serio) | |
648 | { | |
649 | struct psmouse *parent = serio_get_drvdata(serio->parent); | |
650 | struct synaptics_data *priv = parent->private; | |
651 | ||
652 | serio_pause_rx(parent->ps2dev.serio); | |
653 | priv->pt_port = NULL; | |
654 | serio_continue_rx(parent->ps2dev.serio); | |
655 | } | |
656 | ||
f6c4442b | 657 | static int synaptics_is_pt_packet(u8 *buf) |
1da177e4 LT |
658 | { |
659 | return (buf[0] & 0xFC) == 0x84 && (buf[3] & 0xCC) == 0xC4; | |
660 | } | |
661 | ||
f6c4442b | 662 | static void synaptics_pass_pt_packet(struct serio *ptport, u8 *packet) |
1da177e4 LT |
663 | { |
664 | struct psmouse *child = serio_get_drvdata(ptport); | |
665 | ||
666 | if (child && child->state == PSMOUSE_ACTIVATED) { | |
bf23cfc3 | 667 | serio_interrupt(ptport, packet[1], 0); |
7d12e780 DH |
668 | serio_interrupt(ptport, packet[4], 0); |
669 | serio_interrupt(ptport, packet[5], 0); | |
33fdfa97 | 670 | if (child->pktsize == 4) |
7d12e780 | 671 | serio_interrupt(ptport, packet[2], 0); |
cdd9dc19 | 672 | } else { |
7d12e780 | 673 | serio_interrupt(ptport, packet[1], 0); |
cdd9dc19 | 674 | } |
1da177e4 LT |
675 | } |
676 | ||
677 | static void synaptics_pt_activate(struct psmouse *psmouse) | |
678 | { | |
1da177e4 | 679 | struct synaptics_data *priv = psmouse->private; |
a8b3c0f5 | 680 | struct psmouse *child = serio_get_drvdata(priv->pt_port); |
1da177e4 LT |
681 | |
682 | /* adjust the touchpad to child's choice of protocol */ | |
683 | if (child) { | |
33fdfa97 | 684 | if (child->pktsize == 4) |
1da177e4 LT |
685 | priv->mode |= SYN_BIT_FOUR_BYTE_CLIENT; |
686 | else | |
687 | priv->mode &= ~SYN_BIT_FOUR_BYTE_CLIENT; | |
688 | ||
689 | if (synaptics_mode_cmd(psmouse, priv->mode)) | |
b5d21704 DT |
690 | psmouse_warn(psmouse, |
691 | "failed to switch guest protocol\n"); | |
1da177e4 LT |
692 | } |
693 | } | |
694 | ||
695 | static void synaptics_pt_create(struct psmouse *psmouse) | |
696 | { | |
697 | struct serio *serio; | |
698 | ||
b39787a9 | 699 | serio = kzalloc(sizeof(struct serio), GFP_KERNEL); |
1da177e4 | 700 | if (!serio) { |
b5d21704 DT |
701 | psmouse_err(psmouse, |
702 | "not enough memory for pass-through port\n"); | |
1da177e4 LT |
703 | return; |
704 | } | |
705 | ||
1da177e4 LT |
706 | serio->id.type = SERIO_PS_PSTHRU; |
707 | strlcpy(serio->name, "Synaptics pass-through", sizeof(serio->name)); | |
708 | strlcpy(serio->phys, "synaptics-pt/serio0", sizeof(serio->name)); | |
709 | serio->write = synaptics_pt_write; | |
a8b3c0f5 DT |
710 | serio->start = synaptics_pt_start; |
711 | serio->stop = synaptics_pt_stop; | |
1da177e4 LT |
712 | serio->parent = psmouse->ps2dev.serio; |
713 | ||
714 | psmouse->pt_activate = synaptics_pt_activate; | |
715 | ||
b5d21704 DT |
716 | psmouse_info(psmouse, "serio: %s port at %s\n", |
717 | serio->name, psmouse->phys); | |
1da177e4 LT |
718 | serio_register_port(serio); |
719 | } | |
720 | ||
721 | /***************************************************************************** | |
722 | * Functions to interpret the absolute mode packets | |
723 | ****************************************************************************/ | |
724 | ||
f6c4442b | 725 | static void synaptics_parse_agm(const u8 buf[], |
a6ca40c1 DK |
726 | struct synaptics_data *priv, |
727 | struct synaptics_hw_state *hw) | |
7afdb842 DK |
728 | { |
729 | struct synaptics_hw_state *agm = &priv->agm; | |
a6ca40c1 DK |
730 | int agm_packet_type; |
731 | ||
732 | agm_packet_type = (buf[5] & 0x30) >> 4; | |
733 | switch (agm_packet_type) { | |
734 | case 1: | |
735 | /* Gesture packet: (x, y, z) half resolution */ | |
736 | agm->w = hw->w; | |
737 | agm->x = (((buf[4] & 0x0f) << 8) | buf[1]) << 1; | |
738 | agm->y = (((buf[4] & 0xf0) << 4) | buf[2]) << 1; | |
739 | agm->z = ((buf[3] & 0x30) | (buf[5] & 0x0f)) << 1; | |
740 | break; | |
741 | ||
742 | case 2: | |
e9e8520f BT |
743 | /* AGM-CONTACT packet: we are only interested in the count */ |
744 | priv->agm_count = buf[1]; | |
a6ca40c1 DK |
745 | break; |
746 | ||
747 | default: | |
748 | break; | |
749 | } | |
7afdb842 DK |
750 | } |
751 | ||
f6c4442b | 752 | static void synaptics_parse_ext_buttons(const u8 buf[], |
dc5465dc DT |
753 | struct synaptics_data *priv, |
754 | struct synaptics_hw_state *hw) | |
755 | { | |
756 | unsigned int ext_bits = | |
6c53694f | 757 | (SYN_CAP_MULTI_BUTTON_NO(priv->info.ext_cap) + 1) >> 1; |
dc5465dc DT |
758 | unsigned int ext_mask = GENMASK(ext_bits - 1, 0); |
759 | ||
760 | hw->ext_buttons = buf[4] & ext_mask; | |
761 | hw->ext_buttons |= (buf[5] & ext_mask) << ext_bits; | |
762 | } | |
763 | ||
f6c4442b | 764 | static int synaptics_parse_hw_state(const u8 buf[], |
fec6e525 HR |
765 | struct synaptics_data *priv, |
766 | struct synaptics_hw_state *hw) | |
1da177e4 LT |
767 | { |
768 | memset(hw, 0, sizeof(struct synaptics_hw_state)); | |
769 | ||
6c53694f | 770 | if (SYN_MODEL_NEWABS(priv->info.model_id)) { |
1da177e4 LT |
771 | hw->w = (((buf[0] & 0x30) >> 2) | |
772 | ((buf[0] & 0x04) >> 1) | | |
773 | ((buf[3] & 0x04) >> 2)); | |
774 | ||
3f9db52d | 775 | if (synaptics_has_agm(priv) && hw->w == 2) { |
5715fc76 DT |
776 | synaptics_parse_agm(buf, priv, hw); |
777 | return 1; | |
778 | } | |
779 | ||
780 | hw->x = (((buf[3] & 0x10) << 8) | | |
781 | ((buf[1] & 0x0f) << 8) | | |
782 | buf[4]); | |
783 | hw->y = (((buf[3] & 0x20) << 7) | | |
784 | ((buf[1] & 0xf0) << 4) | | |
785 | buf[5]); | |
786 | hw->z = buf[2]; | |
787 | ||
1da177e4 LT |
788 | hw->left = (buf[0] & 0x01) ? 1 : 0; |
789 | hw->right = (buf[0] & 0x02) ? 1 : 0; | |
790 | ||
de4e374b | 791 | if (priv->is_forcepad) { |
5715fc76 DT |
792 | /* |
793 | * ForcePads, like Clickpads, use middle button | |
794 | * bits to report primary button clicks. | |
795 | * Unfortunately they report primary button not | |
796 | * only when user presses on the pad above certain | |
797 | * threshold, but also when there are more than one | |
798 | * finger on the touchpad, which interferes with | |
799 | * out multi-finger gestures. | |
800 | */ | |
801 | if (hw->z == 0) { | |
802 | /* No contacts */ | |
803 | priv->press = priv->report_press = false; | |
804 | } else if (hw->w >= 4 && ((buf[0] ^ buf[3]) & 0x01)) { | |
805 | /* | |
806 | * Single-finger touch with pressure above | |
807 | * the threshold. If pressure stays long | |
808 | * enough, we'll start reporting primary | |
809 | * button. We rely on the device continuing | |
810 | * sending data even if finger does not | |
811 | * move. | |
812 | */ | |
813 | if (!priv->press) { | |
814 | priv->press_start = jiffies; | |
815 | priv->press = true; | |
816 | } else if (time_after(jiffies, | |
817 | priv->press_start + | |
818 | msecs_to_jiffies(50))) { | |
819 | priv->report_press = true; | |
820 | } | |
821 | } else { | |
822 | priv->press = false; | |
823 | } | |
824 | ||
825 | hw->left = priv->report_press; | |
826 | ||
6c53694f | 827 | } else if (SYN_CAP_CLICKPAD(priv->info.ext_cap_0c)) { |
5f57d67d TI |
828 | /* |
829 | * Clickpad's button is transmitted as middle button, | |
830 | * however, since it is primary button, we will report | |
831 | * it as BTN_LEFT. | |
832 | */ | |
833 | hw->left = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0; | |
834 | ||
6c53694f | 835 | } else if (SYN_CAP_MIDDLE_BUTTON(priv->info.capabilities)) { |
1da177e4 LT |
836 | hw->middle = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0; |
837 | if (hw->w == 2) | |
f6c4442b | 838 | hw->scroll = (s8)buf[1]; |
1da177e4 LT |
839 | } |
840 | ||
6c53694f | 841 | if (SYN_CAP_FOUR_BUTTON(priv->info.capabilities)) { |
1da177e4 LT |
842 | hw->up = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0; |
843 | hw->down = ((buf[0] ^ buf[3]) & 0x02) ? 1 : 0; | |
844 | } | |
845 | ||
6c53694f | 846 | if (SYN_CAP_MULTI_BUTTON_NO(priv->info.ext_cap) > 0 && |
1da177e4 | 847 | ((buf[0] ^ buf[3]) & 0x02)) { |
dc5465dc | 848 | synaptics_parse_ext_buttons(buf, priv, hw); |
1da177e4 LT |
849 | } |
850 | } else { | |
851 | hw->x = (((buf[1] & 0x1f) << 8) | buf[2]); | |
852 | hw->y = (((buf[4] & 0x1f) << 8) | buf[5]); | |
853 | ||
854 | hw->z = (((buf[0] & 0x30) << 2) | (buf[3] & 0x3F)); | |
855 | hw->w = (((buf[1] & 0x80) >> 4) | ((buf[0] & 0x04) >> 1)); | |
856 | ||
857 | hw->left = (buf[0] & 0x01) ? 1 : 0; | |
858 | hw->right = (buf[0] & 0x02) ? 1 : 0; | |
859 | } | |
fec6e525 | 860 | |
824efd37 SF |
861 | /* |
862 | * Convert wrap-around values to negative. (X|Y)_MAX_POSITIVE | |
863 | * is used by some firmware to indicate a finger at the edge of | |
864 | * the touchpad whose precise position cannot be determined, so | |
865 | * convert these values to the maximum axis value. | |
866 | */ | |
c0394506 SF |
867 | if (hw->x > X_MAX_POSITIVE) |
868 | hw->x -= 1 << ABS_POS_BITS; | |
824efd37 SF |
869 | else if (hw->x == X_MAX_POSITIVE) |
870 | hw->x = XMAX; | |
871 | ||
c0394506 SF |
872 | if (hw->y > Y_MAX_POSITIVE) |
873 | hw->y -= 1 << ABS_POS_BITS; | |
824efd37 SF |
874 | else if (hw->y == Y_MAX_POSITIVE) |
875 | hw->y = YMAX; | |
c0394506 | 876 | |
fec6e525 HR |
877 | return 0; |
878 | } | |
879 | ||
bea9f0ff DK |
880 | static void synaptics_report_semi_mt_slot(struct input_dev *dev, int slot, |
881 | bool active, int x, int y) | |
fec6e525 HR |
882 | { |
883 | input_mt_slot(dev, slot); | |
884 | input_mt_report_slot_state(dev, MT_TOOL_FINGER, active); | |
885 | if (active) { | |
886 | input_report_abs(dev, ABS_MT_POSITION_X, x); | |
6de58dd6 | 887 | input_report_abs(dev, ABS_MT_POSITION_Y, synaptics_invert_y(y)); |
fec6e525 HR |
888 | } |
889 | } | |
890 | ||
891 | static void synaptics_report_semi_mt_data(struct input_dev *dev, | |
892 | const struct synaptics_hw_state *a, | |
893 | const struct synaptics_hw_state *b, | |
894 | int num_fingers) | |
895 | { | |
896 | if (num_fingers >= 2) { | |
bea9f0ff DK |
897 | synaptics_report_semi_mt_slot(dev, 0, true, min(a->x, b->x), |
898 | min(a->y, b->y)); | |
899 | synaptics_report_semi_mt_slot(dev, 1, true, max(a->x, b->x), | |
900 | max(a->y, b->y)); | |
fec6e525 | 901 | } else if (num_fingers == 1) { |
bea9f0ff DK |
902 | synaptics_report_semi_mt_slot(dev, 0, true, a->x, a->y); |
903 | synaptics_report_semi_mt_slot(dev, 1, false, 0, 0); | |
fec6e525 | 904 | } else { |
bea9f0ff DK |
905 | synaptics_report_semi_mt_slot(dev, 0, false, 0, 0); |
906 | synaptics_report_semi_mt_slot(dev, 1, false, 0, 0); | |
fec6e525 | 907 | } |
1da177e4 LT |
908 | } |
909 | ||
ebc80840 BT |
910 | static void synaptics_report_ext_buttons(struct psmouse *psmouse, |
911 | const struct synaptics_hw_state *hw) | |
3cdfee9e DK |
912 | { |
913 | struct input_dev *dev = psmouse->dev; | |
914 | struct synaptics_data *priv = psmouse->private; | |
6c53694f | 915 | int ext_bits = (SYN_CAP_MULTI_BUTTON_NO(priv->info.ext_cap) + 1) >> 1; |
3cdfee9e DK |
916 | int i; |
917 | ||
6c53694f | 918 | if (!SYN_CAP_MULTI_BUTTON_NO(priv->info.ext_cap)) |
ebc80840 BT |
919 | return; |
920 | ||
82be788c | 921 | /* Bug in FW 8.1 & 8.2, buttons are reported only when ExtBit is 1 */ |
6c53694f DT |
922 | if ((SYN_ID_FULL(priv->info.identity) == 0x801 || |
923 | SYN_ID_FULL(priv->info.identity) == 0x802) && | |
ebc80840 BT |
924 | !((psmouse->packet[0] ^ psmouse->packet[3]) & 0x02)) |
925 | return; | |
926 | ||
6c53694f | 927 | if (!SYN_CAP_EXT_BUTTONS_STICK(priv->info.ext_cap_10)) { |
cdd9dc19 BT |
928 | for (i = 0; i < ext_bits; i++) { |
929 | input_report_key(dev, BTN_0 + 2 * i, | |
991d29fe | 930 | hw->ext_buttons & BIT(i)); |
cdd9dc19 | 931 | input_report_key(dev, BTN_1 + 2 * i, |
991d29fe | 932 | hw->ext_buttons & BIT(i + ext_bits)); |
cdd9dc19 BT |
933 | } |
934 | return; | |
ebc80840 | 935 | } |
cdd9dc19 BT |
936 | |
937 | /* | |
938 | * This generation of touchpads has the trackstick buttons | |
939 | * physically wired to the touchpad. Re-route them through | |
940 | * the pass-through interface. | |
941 | */ | |
bf23cfc3 DT |
942 | if (priv->pt_port) { |
943 | u8 pt_buttons; | |
cdd9dc19 | 944 | |
bf23cfc3 | 945 | /* The trackstick expects at most 3 buttons */ |
996b9eed DT |
946 | pt_buttons = SYN_EXT_BUTTON_STICK_L(hw->ext_buttons) | |
947 | SYN_EXT_BUTTON_STICK_R(hw->ext_buttons) << 1 | | |
948 | SYN_EXT_BUTTON_STICK_M(hw->ext_buttons) << 2; | |
cdd9dc19 | 949 | |
bf23cfc3 DT |
950 | serio_interrupt(priv->pt_port, |
951 | PSMOUSE_OOB_EXTRA_BTNS, SERIO_OOB_DATA); | |
952 | serio_interrupt(priv->pt_port, pt_buttons, SERIO_OOB_DATA); | |
953 | } | |
ebc80840 BT |
954 | } |
955 | ||
3cdfee9e DK |
956 | static void synaptics_report_buttons(struct psmouse *psmouse, |
957 | const struct synaptics_hw_state *hw) | |
958 | { | |
959 | struct input_dev *dev = psmouse->dev; | |
960 | struct synaptics_data *priv = psmouse->private; | |
3cdfee9e DK |
961 | |
962 | input_report_key(dev, BTN_LEFT, hw->left); | |
963 | input_report_key(dev, BTN_RIGHT, hw->right); | |
964 | ||
6c53694f | 965 | if (SYN_CAP_MIDDLE_BUTTON(priv->info.capabilities)) |
3cdfee9e DK |
966 | input_report_key(dev, BTN_MIDDLE, hw->middle); |
967 | ||
6c53694f | 968 | if (SYN_CAP_FOUR_BUTTON(priv->info.capabilities)) { |
3cdfee9e DK |
969 | input_report_key(dev, BTN_FORWARD, hw->up); |
970 | input_report_key(dev, BTN_BACK, hw->down); | |
971 | } | |
972 | ||
ebc80840 | 973 | synaptics_report_ext_buttons(psmouse, hw); |
3cdfee9e DK |
974 | } |
975 | ||
3cdfee9e | 976 | static void synaptics_report_mt_data(struct psmouse *psmouse, |
e9e8520f BT |
977 | const struct synaptics_hw_state *sgm, |
978 | int num_fingers) | |
3cdfee9e DK |
979 | { |
980 | struct input_dev *dev = psmouse->dev; | |
981 | struct synaptics_data *priv = psmouse->private; | |
e9e8520f BT |
982 | const struct synaptics_hw_state *hw[2] = { sgm, &priv->agm }; |
983 | struct input_mt_pos pos[2]; | |
984 | int slot[2], nsemi, i; | |
3cdfee9e | 985 | |
e9e8520f | 986 | nsemi = clamp_val(num_fingers, 0, 2); |
4dc772d2 | 987 | |
e9e8520f BT |
988 | for (i = 0; i < nsemi; i++) { |
989 | pos[i].x = hw[i]->x; | |
990 | pos[i].y = synaptics_invert_y(hw[i]->y); | |
3cdfee9e DK |
991 | } |
992 | ||
6c53694f | 993 | input_mt_assign_slots(dev, slot, pos, nsemi, DMAX * priv->info.x_res); |
e9e8520f BT |
994 | |
995 | for (i = 0; i < nsemi; i++) { | |
996 | input_mt_slot(dev, slot[i]); | |
997 | input_mt_report_slot_state(dev, MT_TOOL_FINGER, true); | |
998 | input_report_abs(dev, ABS_MT_POSITION_X, pos[i].x); | |
999 | input_report_abs(dev, ABS_MT_POSITION_Y, pos[i].y); | |
1000 | input_report_abs(dev, ABS_MT_PRESSURE, hw[i]->z); | |
1001 | } | |
1002 | ||
1003 | input_mt_drop_unused(dev); | |
1004 | ||
3cdfee9e DK |
1005 | /* Don't use active slot count to generate BTN_TOOL events. */ |
1006 | input_mt_report_pointer_emulation(dev, false); | |
1007 | ||
1008 | /* Send the number of fingers reported by touchpad itself. */ | |
e9e8520f | 1009 | input_mt_report_finger_count(dev, num_fingers); |
3cdfee9e DK |
1010 | |
1011 | synaptics_report_buttons(psmouse, sgm); | |
1012 | ||
1013 | input_sync(dev); | |
1014 | } | |
1015 | ||
1016 | static void synaptics_image_sensor_process(struct psmouse *psmouse, | |
1017 | struct synaptics_hw_state *sgm) | |
1018 | { | |
4dc772d2 | 1019 | struct synaptics_data *priv = psmouse->private; |
e9e8520f | 1020 | int num_fingers; |
4dc772d2 DK |
1021 | |
1022 | /* | |
1023 | * Update mt_state using the new finger count and current mt_state. | |
1024 | */ | |
3cdfee9e | 1025 | if (sgm->z == 0) |
e9e8520f | 1026 | num_fingers = 0; |
3cdfee9e | 1027 | else if (sgm->w >= 4) |
e9e8520f | 1028 | num_fingers = 1; |
3cdfee9e | 1029 | else if (sgm->w == 0) |
e9e8520f BT |
1030 | num_fingers = 2; |
1031 | else if (sgm->w == 1) | |
1032 | num_fingers = priv->agm_count ? priv->agm_count : 3; | |
6b4b49fe | 1033 | else |
e9e8520f | 1034 | num_fingers = 4; |
3cdfee9e DK |
1035 | |
1036 | /* Send resulting input events to user space */ | |
e9e8520f | 1037 | synaptics_report_mt_data(psmouse, sgm, num_fingers); |
3cdfee9e DK |
1038 | } |
1039 | ||
3f9db52d AM |
1040 | static bool synaptics_has_multifinger(struct synaptics_data *priv) |
1041 | { | |
1042 | if (SYN_CAP_MULTIFINGER(priv->info.capabilities)) | |
1043 | return true; | |
1044 | ||
1045 | /* Advanced gesture mode also sends multi finger data */ | |
1046 | return synaptics_has_agm(priv); | |
1047 | } | |
1048 | ||
1da177e4 LT |
1049 | /* |
1050 | * called for each full received packet from the touchpad | |
1051 | */ | |
1052 | static void synaptics_process_packet(struct psmouse *psmouse) | |
1053 | { | |
2e5b636b | 1054 | struct input_dev *dev = psmouse->dev; |
1da177e4 | 1055 | struct synaptics_data *priv = psmouse->private; |
6c53694f | 1056 | struct synaptics_device_info *info = &priv->info; |
1da177e4 LT |
1057 | struct synaptics_hw_state hw; |
1058 | int num_fingers; | |
1059 | int finger_width; | |
1da177e4 | 1060 | |
fec6e525 HR |
1061 | if (synaptics_parse_hw_state(psmouse->packet, priv, &hw)) |
1062 | return; | |
1da177e4 | 1063 | |
6c53694f | 1064 | if (SYN_CAP_IMAGE_SENSOR(info->ext_cap_0c)) { |
3cdfee9e DK |
1065 | synaptics_image_sensor_process(psmouse, &hw); |
1066 | return; | |
1067 | } | |
1068 | ||
1da177e4 LT |
1069 | if (hw.scroll) { |
1070 | priv->scroll += hw.scroll; | |
1071 | ||
1072 | while (priv->scroll >= 4) { | |
1073 | input_report_key(dev, BTN_BACK, !hw.down); | |
1074 | input_sync(dev); | |
1075 | input_report_key(dev, BTN_BACK, hw.down); | |
1076 | input_sync(dev); | |
1077 | priv->scroll -= 4; | |
1078 | } | |
1079 | while (priv->scroll <= -4) { | |
1080 | input_report_key(dev, BTN_FORWARD, !hw.up); | |
1081 | input_sync(dev); | |
1082 | input_report_key(dev, BTN_FORWARD, hw.up); | |
1083 | input_sync(dev); | |
1084 | priv->scroll += 4; | |
1085 | } | |
1086 | return; | |
1087 | } | |
1088 | ||
4f56ce92 | 1089 | if (hw.z > 0 && hw.x > 1) { |
1da177e4 LT |
1090 | num_fingers = 1; |
1091 | finger_width = 5; | |
6c53694f | 1092 | if (SYN_CAP_EXTENDED(info->capabilities)) { |
1da177e4 LT |
1093 | switch (hw.w) { |
1094 | case 0 ... 1: | |
3f9db52d | 1095 | if (synaptics_has_multifinger(priv)) |
1da177e4 LT |
1096 | num_fingers = hw.w + 2; |
1097 | break; | |
1098 | case 2: | |
6c53694f | 1099 | if (SYN_MODEL_PEN(info->model_id)) |
1da177e4 LT |
1100 | ; /* Nothing, treat a pen as a single finger */ |
1101 | break; | |
1102 | case 4 ... 15: | |
6c53694f | 1103 | if (SYN_CAP_PALMDETECT(info->capabilities)) |
1da177e4 LT |
1104 | finger_width = hw.w; |
1105 | break; | |
1106 | } | |
1107 | } | |
1108 | } else { | |
1109 | num_fingers = 0; | |
1110 | finger_width = 0; | |
1111 | } | |
1112 | ||
e08d9afa | 1113 | if (cr48_profile_sensor) { |
aa104b1a | 1114 | synaptics_report_mt_data(psmouse, &hw, num_fingers); |
e08d9afa HR |
1115 | return; |
1116 | } | |
1117 | ||
6c53694f | 1118 | if (SYN_CAP_ADV_GESTURE(info->ext_cap_0c)) |
7afdb842 DK |
1119 | synaptics_report_semi_mt_data(dev, &hw, &priv->agm, |
1120 | num_fingers); | |
fec6e525 | 1121 | |
1da177e4 LT |
1122 | /* Post events |
1123 | * BTN_TOUCH has to be first as mousedev relies on it when doing | |
1124 | * absolute -> relative conversion | |
1125 | */ | |
1126 | if (hw.z > 30) input_report_key(dev, BTN_TOUCH, 1); | |
1127 | if (hw.z < 25) input_report_key(dev, BTN_TOUCH, 0); | |
1128 | ||
4f56ce92 | 1129 | if (num_fingers > 0) { |
1da177e4 | 1130 | input_report_abs(dev, ABS_X, hw.x); |
6de58dd6 | 1131 | input_report_abs(dev, ABS_Y, synaptics_invert_y(hw.y)); |
1da177e4 LT |
1132 | } |
1133 | input_report_abs(dev, ABS_PRESSURE, hw.z); | |
1134 | ||
6c53694f | 1135 | if (SYN_CAP_PALMDETECT(info->capabilities)) |
2a8e7710 CB |
1136 | input_report_abs(dev, ABS_TOOL_WIDTH, finger_width); |
1137 | ||
1da177e4 | 1138 | input_report_key(dev, BTN_TOOL_FINGER, num_fingers == 1); |
3f9db52d | 1139 | if (synaptics_has_multifinger(priv)) { |
e42b6646 PH |
1140 | input_report_key(dev, BTN_TOOL_DOUBLETAP, num_fingers == 2); |
1141 | input_report_key(dev, BTN_TOOL_TRIPLETAP, num_fingers == 3); | |
1142 | } | |
1143 | ||
3cdfee9e | 1144 | synaptics_report_buttons(psmouse, &hw); |
1da177e4 LT |
1145 | |
1146 | input_sync(dev); | |
1147 | } | |
1148 | ||
f6c4442b DT |
1149 | static bool synaptics_validate_byte(struct psmouse *psmouse, |
1150 | int idx, enum synaptics_pkt_type pkt_type) | |
1da177e4 | 1151 | { |
f6c4442b DT |
1152 | static const u8 newabs_mask[] = { 0xC8, 0x00, 0x00, 0xC8, 0x00 }; |
1153 | static const u8 newabs_rel_mask[] = { 0xC0, 0x00, 0x00, 0xC0, 0x00 }; | |
1154 | static const u8 newabs_rslt[] = { 0x80, 0x00, 0x00, 0xC0, 0x00 }; | |
1155 | static const u8 oldabs_mask[] = { 0xC0, 0x60, 0x00, 0xC0, 0x60 }; | |
1156 | static const u8 oldabs_rslt[] = { 0xC0, 0x00, 0x00, 0x80, 0x00 }; | |
1157 | const u8 *packet = psmouse->packet; | |
1da177e4 LT |
1158 | |
1159 | if (idx < 0 || idx > 4) | |
f6c4442b | 1160 | return false; |
1da177e4 LT |
1161 | |
1162 | switch (pkt_type) { | |
1da177e4 | 1163 | |
a62f0d27 DT |
1164 | case SYN_NEWABS: |
1165 | case SYN_NEWABS_RELAXED: | |
1166 | return (packet[idx] & newabs_rel_mask[idx]) == newabs_rslt[idx]; | |
1da177e4 | 1167 | |
a62f0d27 DT |
1168 | case SYN_NEWABS_STRICT: |
1169 | return (packet[idx] & newabs_mask[idx]) == newabs_rslt[idx]; | |
1da177e4 | 1170 | |
a62f0d27 DT |
1171 | case SYN_OLDABS: |
1172 | return (packet[idx] & oldabs_mask[idx]) == oldabs_rslt[idx]; | |
1173 | ||
1174 | default: | |
b5d21704 | 1175 | psmouse_err(psmouse, "unknown packet type %d\n", pkt_type); |
f6c4442b | 1176 | return false; |
1da177e4 LT |
1177 | } |
1178 | } | |
1179 | ||
f6c4442b DT |
1180 | static enum synaptics_pkt_type |
1181 | synaptics_detect_pkt_type(struct psmouse *psmouse) | |
1da177e4 LT |
1182 | { |
1183 | int i; | |
1184 | ||
f6c4442b | 1185 | for (i = 0; i < 5; i++) { |
b5d21704 DT |
1186 | if (!synaptics_validate_byte(psmouse, i, SYN_NEWABS_STRICT)) { |
1187 | psmouse_info(psmouse, "using relaxed packet validation\n"); | |
1da177e4 LT |
1188 | return SYN_NEWABS_RELAXED; |
1189 | } | |
f6c4442b | 1190 | } |
1da177e4 LT |
1191 | |
1192 | return SYN_NEWABS_STRICT; | |
1193 | } | |
1194 | ||
7d12e780 | 1195 | static psmouse_ret_t synaptics_process_byte(struct psmouse *psmouse) |
1da177e4 | 1196 | { |
1da177e4 LT |
1197 | struct synaptics_data *priv = psmouse->private; |
1198 | ||
1da177e4 LT |
1199 | if (psmouse->pktcnt >= 6) { /* Full packet received */ |
1200 | if (unlikely(priv->pkt_type == SYN_NEWABS)) | |
1201 | priv->pkt_type = synaptics_detect_pkt_type(psmouse); | |
1202 | ||
6c53694f | 1203 | if (SYN_CAP_PASS_THROUGH(priv->info.capabilities) && |
a8b3c0f5 DT |
1204 | synaptics_is_pt_packet(psmouse->packet)) { |
1205 | if (priv->pt_port) | |
bf23cfc3 | 1206 | synaptics_pass_pt_packet(priv->pt_port, |
cdd9dc19 | 1207 | psmouse->packet); |
1da177e4 LT |
1208 | } else |
1209 | synaptics_process_packet(psmouse); | |
1210 | ||
1211 | return PSMOUSE_FULL_PACKET; | |
1212 | } | |
1213 | ||
b5d21704 | 1214 | return synaptics_validate_byte(psmouse, psmouse->pktcnt - 1, priv->pkt_type) ? |
1da177e4 LT |
1215 | PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA; |
1216 | } | |
1217 | ||
1218 | /***************************************************************************** | |
1219 | * Driver initialization/cleanup functions | |
1220 | ****************************************************************************/ | |
85615476 | 1221 | static void set_abs_position_params(struct input_dev *dev, |
6c53694f DT |
1222 | struct synaptics_device_info *info, |
1223 | int x_code, int y_code) | |
1da177e4 | 1224 | { |
6c53694f DT |
1225 | int x_min = info->x_min ?: XMIN_NOMINAL; |
1226 | int x_max = info->x_max ?: XMAX_NOMINAL; | |
1227 | int y_min = info->y_min ?: YMIN_NOMINAL; | |
1228 | int y_max = info->y_max ?: YMAX_NOMINAL; | |
1229 | int fuzz = SYN_CAP_REDUCED_FILTERING(info->ext_cap_0c) ? | |
a9f0b79e | 1230 | SYN_REDUCED_FILTER_FUZZ : 0; |
1da177e4 | 1231 | |
85615476 DK |
1232 | input_set_abs_params(dev, x_code, x_min, x_max, fuzz, 0); |
1233 | input_set_abs_params(dev, y_code, y_min, y_max, fuzz, 0); | |
6c53694f DT |
1234 | input_abs_set_res(dev, x_code, info->x_res); |
1235 | input_abs_set_res(dev, y_code, info->y_res); | |
85615476 DK |
1236 | } |
1237 | ||
cdc2466d DT |
1238 | static int set_input_params(struct psmouse *psmouse, |
1239 | struct synaptics_data *priv) | |
85615476 | 1240 | { |
43e19888 | 1241 | struct input_dev *dev = psmouse->dev; |
6c53694f | 1242 | struct synaptics_device_info *info = &priv->info; |
85615476 | 1243 | int i; |
cdc2466d | 1244 | int error; |
85615476 | 1245 | |
29aa6194 DT |
1246 | /* Reset default psmouse capabilities */ |
1247 | __clear_bit(EV_REL, dev->evbit); | |
1248 | bitmap_zero(dev->relbit, REL_CNT); | |
1249 | bitmap_zero(dev->keybit, KEY_CNT); | |
1250 | ||
7968a5dd | 1251 | /* Things that apply to both modes */ |
c14890a8 HR |
1252 | __set_bit(INPUT_PROP_POINTER, dev->propbit); |
1253 | ||
29aa6194 DT |
1254 | input_set_capability(dev, EV_KEY, BTN_LEFT); |
1255 | ||
1256 | /* Clickpads report only left button */ | |
1257 | if (!SYN_CAP_CLICKPAD(info->ext_cap_0c)) { | |
1258 | input_set_capability(dev, EV_KEY, BTN_RIGHT); | |
1259 | if (SYN_CAP_MIDDLE_BUTTON(info->capabilities)) | |
1260 | input_set_capability(dev, EV_KEY, BTN_MIDDLE); | |
1261 | } | |
7968a5dd DD |
1262 | |
1263 | if (!priv->absolute_mode) { | |
1264 | /* Relative mode */ | |
29aa6194 DT |
1265 | input_set_capability(dev, EV_REL, REL_X); |
1266 | input_set_capability(dev, EV_REL, REL_Y); | |
cdc2466d | 1267 | return 0; |
7968a5dd DD |
1268 | } |
1269 | ||
1270 | /* Absolute mode */ | |
6c53694f | 1271 | set_abs_position_params(dev, &priv->info, ABS_X, ABS_Y); |
1da177e4 | 1272 | input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0); |
2a8e7710 | 1273 | |
e08d9afa HR |
1274 | if (cr48_profile_sensor) |
1275 | input_set_abs_params(dev, ABS_MT_PRESSURE, 0, 255, 0, 0); | |
1276 | ||
6c53694f DT |
1277 | if (SYN_CAP_IMAGE_SENSOR(info->ext_cap_0c)) { |
1278 | set_abs_position_params(dev, info, | |
1279 | ABS_MT_POSITION_X, ABS_MT_POSITION_Y); | |
3cdfee9e DK |
1280 | /* Image sensors can report per-contact pressure */ |
1281 | input_set_abs_params(dev, ABS_MT_PRESSURE, 0, 255, 0, 0); | |
cdc2466d DT |
1282 | |
1283 | error = input_mt_init_slots(dev, 2, | |
1284 | INPUT_MT_POINTER | INPUT_MT_TRACK); | |
1285 | if (error) | |
1286 | return error; | |
6b4b49fe DK |
1287 | |
1288 | /* Image sensors can signal 4 and 5 finger clicks */ | |
29aa6194 DT |
1289 | input_set_capability(dev, EV_KEY, BTN_TOOL_QUADTAP); |
1290 | input_set_capability(dev, EV_KEY, BTN_TOOL_QUINTTAP); | |
6c53694f DT |
1291 | } else if (SYN_CAP_ADV_GESTURE(info->ext_cap_0c)) { |
1292 | set_abs_position_params(dev, info, | |
1293 | ABS_MT_POSITION_X, ABS_MT_POSITION_Y); | |
e08d9afa HR |
1294 | /* |
1295 | * Profile sensor in CR-48 tracks contacts reasonably well, | |
1296 | * other non-image sensors with AGM use semi-mt. | |
1297 | */ | |
cdc2466d DT |
1298 | error = input_mt_init_slots(dev, 2, |
1299 | INPUT_MT_POINTER | | |
1300 | (cr48_profile_sensor ? | |
1301 | INPUT_MT_TRACK : | |
1302 | INPUT_MT_SEMI_MT)); | |
1303 | if (error) | |
1304 | return error; | |
19eb4ed1 PH |
1305 | |
1306 | /* | |
1307 | * For semi-mt devices we send ABS_X/Y ourselves instead of | |
1308 | * input_mt_report_pointer_emulation. But | |
1309 | * input_mt_init_slots() resets the fuzz to 0, leading to a | |
1310 | * filtered ABS_MT_POSITION_X but an unfiltered ABS_X | |
1311 | * position. Let's re-initialize ABS_X/Y here. | |
1312 | */ | |
1313 | if (!cr48_profile_sensor) | |
1314 | set_abs_position_params(dev, &priv->info, ABS_X, ABS_Y); | |
fec6e525 HR |
1315 | } |
1316 | ||
6c53694f | 1317 | if (SYN_CAP_PALMDETECT(info->capabilities)) |
58fb0218 | 1318 | input_set_abs_params(dev, ABS_TOOL_WIDTH, 0, 15, 0, 0); |
1da177e4 | 1319 | |
29aa6194 DT |
1320 | input_set_capability(dev, EV_KEY, BTN_TOUCH); |
1321 | input_set_capability(dev, EV_KEY, BTN_TOOL_FINGER); | |
1da177e4 | 1322 | |
3f9db52d | 1323 | if (synaptics_has_multifinger(priv)) { |
29aa6194 DT |
1324 | input_set_capability(dev, EV_KEY, BTN_TOOL_DOUBLETAP); |
1325 | input_set_capability(dev, EV_KEY, BTN_TOOL_TRIPLETAP); | |
e42b6646 PH |
1326 | } |
1327 | ||
6c53694f DT |
1328 | if (SYN_CAP_FOUR_BUTTON(info->capabilities) || |
1329 | SYN_CAP_MIDDLE_BUTTON(info->capabilities)) { | |
29aa6194 DT |
1330 | input_set_capability(dev, EV_KEY, BTN_FORWARD); |
1331 | input_set_capability(dev, EV_KEY, BTN_BACK); | |
1da177e4 LT |
1332 | } |
1333 | ||
6c53694f DT |
1334 | if (!SYN_CAP_EXT_BUTTONS_STICK(info->ext_cap_10)) |
1335 | for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(info->ext_cap); i++) | |
29aa6194 | 1336 | input_set_capability(dev, EV_KEY, BTN_0 + i); |
ec20a022 | 1337 | |
6c53694f | 1338 | if (SYN_CAP_CLICKPAD(info->ext_cap_0c)) { |
c14890a8 | 1339 | __set_bit(INPUT_PROP_BUTTONPAD, dev->propbit); |
3adde1f5 | 1340 | if (psmouse_matches_pnp_id(psmouse, topbuttonpad_pnp_ids) && |
6c53694f | 1341 | !SYN_CAP_EXT_BUTTONS_STICK(info->ext_cap_10)) |
e2f61102 | 1342 | __set_bit(INPUT_PROP_TOPBUTTONPAD, dev->propbit); |
5f57d67d | 1343 | } |
cdc2466d DT |
1344 | |
1345 | return 0; | |
1da177e4 LT |
1346 | } |
1347 | ||
7968a5dd DD |
1348 | static ssize_t synaptics_show_disable_gesture(struct psmouse *psmouse, |
1349 | void *data, char *buf) | |
1350 | { | |
1351 | struct synaptics_data *priv = psmouse->private; | |
1352 | ||
1353 | return sprintf(buf, "%c\n", priv->disable_gesture ? '1' : '0'); | |
1354 | } | |
1355 | ||
1356 | static ssize_t synaptics_set_disable_gesture(struct psmouse *psmouse, | |
1357 | void *data, const char *buf, | |
1358 | size_t len) | |
1359 | { | |
1360 | struct synaptics_data *priv = psmouse->private; | |
1361 | unsigned int value; | |
1362 | int err; | |
1363 | ||
1364 | err = kstrtouint(buf, 10, &value); | |
1365 | if (err) | |
1366 | return err; | |
1367 | ||
1368 | if (value > 1) | |
1369 | return -EINVAL; | |
1370 | ||
1371 | if (value == priv->disable_gesture) | |
1372 | return len; | |
1373 | ||
1374 | priv->disable_gesture = value; | |
1375 | if (value) | |
1376 | priv->mode |= SYN_BIT_DISABLE_GESTURE; | |
1377 | else | |
1378 | priv->mode &= ~SYN_BIT_DISABLE_GESTURE; | |
1379 | ||
1380 | if (synaptics_mode_cmd(psmouse, priv->mode)) | |
1381 | return -EIO; | |
1382 | ||
1383 | return len; | |
1384 | } | |
1385 | ||
1386 | PSMOUSE_DEFINE_ATTR(disable_gesture, S_IWUSR | S_IRUGO, NULL, | |
1387 | synaptics_show_disable_gesture, | |
1388 | synaptics_set_disable_gesture); | |
1389 | ||
1da177e4 LT |
1390 | static void synaptics_disconnect(struct psmouse *psmouse) |
1391 | { | |
7968a5dd DD |
1392 | struct synaptics_data *priv = psmouse->private; |
1393 | ||
e839ffab BT |
1394 | /* |
1395 | * We might have left a breadcrumb when trying to | |
1396 | * set up SMbus companion. | |
1397 | */ | |
1398 | psmouse_smbus_cleanup(psmouse); | |
1399 | ||
6c53694f DT |
1400 | if (!priv->absolute_mode && |
1401 | SYN_ID_DISGEST_SUPPORTED(priv->info.identity)) | |
7968a5dd DD |
1402 | device_remove_file(&psmouse->ps2dev.serio->dev, |
1403 | &psmouse_attr_disable_gesture.dattr); | |
1404 | ||
1da177e4 | 1405 | synaptics_reset(psmouse); |
7968a5dd | 1406 | kfree(priv); |
1da177e4 LT |
1407 | psmouse->private = NULL; |
1408 | } | |
1409 | ||
1410 | static int synaptics_reconnect(struct psmouse *psmouse) | |
1411 | { | |
1412 | struct synaptics_data *priv = psmouse->private; | |
6c53694f | 1413 | struct synaptics_device_info info; |
f6c4442b | 1414 | u8 param[2]; |
c63fe0a4 APF |
1415 | int retry = 0; |
1416 | int error; | |
1da177e4 | 1417 | |
c63fe0a4 APF |
1418 | do { |
1419 | psmouse_reset(psmouse); | |
8521478f DT |
1420 | if (retry) { |
1421 | /* | |
1422 | * On some boxes, right after resuming, the touchpad | |
1423 | * needs some time to finish initializing (I assume | |
1424 | * it needs time to calibrate) and start responding | |
1425 | * to Synaptics-specific queries, so let's wait a | |
1426 | * bit. | |
1427 | */ | |
1428 | ssleep(1); | |
1429 | } | |
eeb06558 | 1430 | ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETID); |
c63fe0a4 APF |
1431 | error = synaptics_detect(psmouse, 0); |
1432 | } while (error && ++retry < 3); | |
4d368456 | 1433 | |
c63fe0a4 | 1434 | if (error) |
212baf03 | 1435 | return error; |
1da177e4 | 1436 | |
c63fe0a4 | 1437 | if (retry > 1) |
b5d21704 | 1438 | psmouse_dbg(psmouse, "reconnected after %d tries\n", retry); |
c63fe0a4 | 1439 | |
212baf03 DT |
1440 | error = synaptics_query_hardware(psmouse, &info); |
1441 | if (error) { | |
b5d21704 | 1442 | psmouse_err(psmouse, "Unable to query device.\n"); |
212baf03 | 1443 | return error; |
1da177e4 LT |
1444 | } |
1445 | ||
212baf03 DT |
1446 | error = synaptics_set_mode(psmouse); |
1447 | if (error) { | |
b5d21704 | 1448 | psmouse_err(psmouse, "Unable to initialize device.\n"); |
212baf03 | 1449 | return error; |
1da177e4 LT |
1450 | } |
1451 | ||
6c53694f DT |
1452 | if (info.identity != priv->info.identity || |
1453 | info.model_id != priv->info.model_id || | |
1454 | info.capabilities != priv->info.capabilities || | |
1455 | info.ext_cap != priv->info.ext_cap) { | |
b5d21704 | 1456 | psmouse_err(psmouse, |
6c53694f DT |
1457 | "hardware appears to be different: id(%u-%u), model(%u-%u), caps(%x-%x), ext(%x-%x).\n", |
1458 | priv->info.identity, info.identity, | |
1459 | priv->info.model_id, info.model_id, | |
1460 | priv->info.capabilities, info.capabilities, | |
1461 | priv->info.ext_cap, info.ext_cap); | |
212baf03 | 1462 | return -ENXIO; |
baddf589 APF |
1463 | } |
1464 | ||
1da177e4 LT |
1465 | return 0; |
1466 | } | |
1467 | ||
7705d548 DT |
1468 | static bool impaired_toshiba_kbc; |
1469 | ||
c963156c | 1470 | static const struct dmi_system_id toshiba_dmi_table[] __initconst = { |
7705d548 | 1471 | #if defined(CONFIG_DMI) && defined(CONFIG_X86) |
1da177e4 | 1472 | { |
9961e259 | 1473 | /* Toshiba Satellite */ |
1da177e4 LT |
1474 | .matches = { |
1475 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
53a2670c | 1476 | DMI_MATCH(DMI_PRODUCT_NAME, "Satellite"), |
1da177e4 LT |
1477 | }, |
1478 | }, | |
9ba5eaaf | 1479 | { |
9961e259 | 1480 | /* Toshiba Dynabook */ |
9ba5eaaf SH |
1481 | .matches = { |
1482 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
53a2670c RT |
1483 | DMI_MATCH(DMI_PRODUCT_NAME, "dynabook"), |
1484 | }, | |
1485 | }, | |
1486 | { | |
9961e259 | 1487 | /* Toshiba Portege M300 */ |
53a2670c RT |
1488 | .matches = { |
1489 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
1490 | DMI_MATCH(DMI_PRODUCT_NAME, "PORTEGE M300"), | |
9ba5eaaf | 1491 | }, |
5f5eeff4 DT |
1492 | |
1493 | }, | |
1494 | { | |
9961e259 | 1495 | /* Toshiba Portege M300 */ |
5f5eeff4 DT |
1496 | .matches = { |
1497 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
1498 | DMI_MATCH(DMI_PRODUCT_NAME, "Portable PC"), | |
1499 | DMI_MATCH(DMI_PRODUCT_VERSION, "Version 1.0"), | |
1500 | }, | |
1501 | ||
9ba5eaaf | 1502 | }, |
1da177e4 | 1503 | #endif |
70874867 | 1504 | { } |
7705d548 DT |
1505 | }; |
1506 | ||
ef8313bb AS |
1507 | static bool broken_olpc_ec; |
1508 | ||
c963156c | 1509 | static const struct dmi_system_id olpc_dmi_table[] __initconst = { |
ef8313bb AS |
1510 | #if defined(CONFIG_DMI) && defined(CONFIG_OLPC) |
1511 | { | |
1512 | /* OLPC XO-1 or XO-1.5 */ | |
1513 | .matches = { | |
1514 | DMI_MATCH(DMI_SYS_VENDOR, "OLPC"), | |
1515 | DMI_MATCH(DMI_PRODUCT_NAME, "XO"), | |
1516 | }, | |
1517 | }, | |
ef8313bb | 1518 | #endif |
70874867 | 1519 | { } |
ef8313bb AS |
1520 | }; |
1521 | ||
e08d9afa HR |
1522 | static const struct dmi_system_id __initconst cr48_dmi_table[] = { |
1523 | #if defined(CONFIG_DMI) && defined(CONFIG_X86) | |
1524 | { | |
1525 | /* Cr-48 Chromebook (Codename Mario) */ | |
1526 | .matches = { | |
1527 | DMI_MATCH(DMI_SYS_VENDOR, "IEC"), | |
1528 | DMI_MATCH(DMI_PRODUCT_NAME, "Mario"), | |
1529 | }, | |
1530 | }, | |
1531 | #endif | |
1532 | { } | |
1533 | }; | |
1534 | ||
7705d548 DT |
1535 | void __init synaptics_module_init(void) |
1536 | { | |
1537 | impaired_toshiba_kbc = dmi_check_system(toshiba_dmi_table); | |
ef8313bb | 1538 | broken_olpc_ec = dmi_check_system(olpc_dmi_table); |
e08d9afa | 1539 | cr48_profile_sensor = dmi_check_system(cr48_dmi_table); |
7705d548 | 1540 | } |
1da177e4 | 1541 | |
e839ffab BT |
1542 | static int synaptics_init_ps2(struct psmouse *psmouse, |
1543 | struct synaptics_device_info *info, | |
1544 | bool absolute_mode) | |
1da177e4 LT |
1545 | { |
1546 | struct synaptics_data *priv; | |
e839ffab | 1547 | int err; |
1da177e4 | 1548 | |
e839ffab | 1549 | synaptics_apply_quirks(psmouse, info); |
ef8313bb | 1550 | |
b39787a9 | 1551 | psmouse->private = priv = kzalloc(sizeof(struct synaptics_data), GFP_KERNEL); |
1da177e4 | 1552 | if (!priv) |
6792cbbb | 1553 | return -ENOMEM; |
1da177e4 | 1554 | |
e839ffab | 1555 | priv->info = *info; |
7968a5dd | 1556 | priv->absolute_mode = absolute_mode; |
6c53694f | 1557 | if (SYN_ID_DISGEST_SUPPORTED(info->identity)) |
7968a5dd | 1558 | priv->disable_gesture = true; |
1da177e4 | 1559 | |
de4e374b DT |
1560 | /* |
1561 | * Unfortunately ForcePad capability is not exported over PS/2, | |
1562 | * so we have to resort to checking PNP IDs. | |
1563 | */ | |
1564 | priv->is_forcepad = psmouse_matches_pnp_id(psmouse, forcepad_pnp_ids); | |
1565 | ||
e839ffab BT |
1566 | err = synaptics_set_mode(psmouse); |
1567 | if (err) { | |
7968a5dd | 1568 | psmouse_err(psmouse, "Unable to initialize device.\n"); |
fec6e525 HR |
1569 | goto init_fail; |
1570 | } | |
1571 | ||
6c53694f DT |
1572 | priv->pkt_type = SYN_MODEL_NEWABS(info->model_id) ? |
1573 | SYN_NEWABS : SYN_OLDABS; | |
1da177e4 | 1574 | |
b5d21704 | 1575 | psmouse_info(psmouse, |
991d29fe | 1576 | "Touchpad model: %lu, fw: %lu.%lu, id: %#x, caps: %#x/%#x/%#x/%#x, board id: %u, fw id: %u\n", |
6c53694f DT |
1577 | SYN_ID_MODEL(info->identity), |
1578 | SYN_ID_MAJOR(info->identity), SYN_ID_MINOR(info->identity), | |
1579 | info->model_id, | |
1580 | info->capabilities, info->ext_cap, info->ext_cap_0c, | |
1581 | info->ext_cap_10, info->board_id, info->firmware_id); | |
409b7506 | 1582 | |
cdc2466d DT |
1583 | err = set_input_params(psmouse, priv); |
1584 | if (err) { | |
1585 | psmouse_err(psmouse, | |
1586 | "failed to set up capabilities: %d\n", err); | |
1587 | goto init_fail; | |
1588 | } | |
1da177e4 | 1589 | |
887cc127 DT |
1590 | /* |
1591 | * Encode touchpad model so that it can be used to set | |
1592 | * input device->id.version and be visible to userspace. | |
1593 | * Because version is __u16 we have to drop something. | |
1594 | * Hardware info bits seem to be good candidates as they | |
1595 | * are documented to be for Synaptics corp. internal use. | |
1596 | */ | |
6c53694f DT |
1597 | psmouse->model = ((info->model_id & 0x00ff0000) >> 8) | |
1598 | (info->model_id & 0x000000ff); | |
887cc127 | 1599 | |
7968a5dd DD |
1600 | if (absolute_mode) { |
1601 | psmouse->protocol_handler = synaptics_process_byte; | |
1602 | psmouse->pktsize = 6; | |
1603 | } else { | |
1604 | /* Relative mode follows standard PS/2 mouse protocol */ | |
1605 | psmouse->protocol_handler = psmouse_process_byte; | |
1606 | psmouse->pktsize = 3; | |
1607 | } | |
1608 | ||
1da177e4 LT |
1609 | psmouse->set_rate = synaptics_set_rate; |
1610 | psmouse->disconnect = synaptics_disconnect; | |
1611 | psmouse->reconnect = synaptics_reconnect; | |
a1cec061 | 1612 | psmouse->cleanup = synaptics_reset; |
f0d5c6f4 DT |
1613 | /* Synaptics can usually stay in sync without extra help */ |
1614 | psmouse->resync_time = 0; | |
1da177e4 | 1615 | |
6c53694f | 1616 | if (SYN_CAP_PASS_THROUGH(info->capabilities)) |
1da177e4 LT |
1617 | synaptics_pt_create(psmouse); |
1618 | ||
1da177e4 LT |
1619 | /* |
1620 | * Toshiba's KBC seems to have trouble handling data from | |
7ee99161 AS |
1621 | * Synaptics at full rate. Switch to a lower rate (roughly |
1622 | * the same rate as a standard PS/2 mouse). | |
1da177e4 | 1623 | */ |
7705d548 | 1624 | if (psmouse->rate >= 80 && impaired_toshiba_kbc) { |
b5d21704 DT |
1625 | psmouse_info(psmouse, |
1626 | "Toshiba %s detected, limiting rate to 40pps.\n", | |
1627 | dmi_get_system_info(DMI_PRODUCT_NAME)); | |
1da177e4 LT |
1628 | psmouse->rate = 40; |
1629 | } | |
1da177e4 | 1630 | |
6c53694f | 1631 | if (!priv->absolute_mode && SYN_ID_DISGEST_SUPPORTED(info->identity)) { |
7968a5dd DD |
1632 | err = device_create_file(&psmouse->ps2dev.serio->dev, |
1633 | &psmouse_attr_disable_gesture.dattr); | |
1634 | if (err) { | |
1635 | psmouse_err(psmouse, | |
1636 | "Failed to create disable_gesture attribute (%d)", | |
1637 | err); | |
1638 | goto init_fail; | |
1639 | } | |
1640 | } | |
1641 | ||
1da177e4 LT |
1642 | return 0; |
1643 | ||
1644 | init_fail: | |
1645 | kfree(priv); | |
7968a5dd DD |
1646 | return err; |
1647 | } | |
1648 | ||
e839ffab BT |
1649 | static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode) |
1650 | { | |
1651 | struct synaptics_device_info info; | |
1652 | int error; | |
1653 | ||
1654 | psmouse_reset(psmouse); | |
1655 | ||
1656 | error = synaptics_query_hardware(psmouse, &info); | |
1657 | if (error) { | |
1658 | psmouse_err(psmouse, "Unable to query device: %d\n", error); | |
1659 | return error; | |
1660 | } | |
1661 | ||
1662 | return synaptics_init_ps2(psmouse, &info, absolute_mode); | |
1663 | } | |
1664 | ||
1665 | int synaptics_init_absolute(struct psmouse *psmouse) | |
7968a5dd DD |
1666 | { |
1667 | return __synaptics_init(psmouse, true); | |
1668 | } | |
1669 | ||
1670 | int synaptics_init_relative(struct psmouse *psmouse) | |
1671 | { | |
1672 | return __synaptics_init(psmouse, false); | |
1da177e4 LT |
1673 | } |
1674 | ||
e839ffab BT |
1675 | static int synaptics_setup_ps2(struct psmouse *psmouse, |
1676 | struct synaptics_device_info *info) | |
1677 | { | |
1678 | bool absolute_mode = true; | |
1679 | int error; | |
1680 | ||
1681 | /* | |
1682 | * The OLPC XO has issues with Synaptics' absolute mode; the constant | |
1683 | * packet spew overloads the EC such that key presses on the keyboard | |
1684 | * are missed. Given that, don't even attempt to use Absolute mode. | |
1685 | * Relative mode seems to work just fine. | |
1686 | */ | |
1687 | if (broken_olpc_ec) { | |
1688 | psmouse_info(psmouse, | |
1689 | "OLPC XO detected, forcing relative protocol.\n"); | |
1690 | absolute_mode = false; | |
1691 | } | |
1692 | ||
1693 | error = synaptics_init_ps2(psmouse, info, absolute_mode); | |
1694 | if (error) | |
1695 | return error; | |
1696 | ||
1697 | return absolute_mode ? PSMOUSE_SYNAPTICS : PSMOUSE_SYNAPTICS_RELATIVE; | |
1698 | } | |
1699 | ||
55e3d922 AS |
1700 | #else /* CONFIG_MOUSE_PS2_SYNAPTICS */ |
1701 | ||
7705d548 DT |
1702 | void __init synaptics_module_init(void) |
1703 | { | |
1704 | } | |
1705 | ||
e839ffab BT |
1706 | static int __maybe_unused |
1707 | synaptics_setup_ps2(struct psmouse *psmouse, | |
1708 | struct synaptics_device_info *info) | |
55e3d922 AS |
1709 | { |
1710 | return -ENOSYS; | |
1711 | } | |
1712 | ||
1713 | #endif /* CONFIG_MOUSE_PS2_SYNAPTICS */ | |
e839ffab BT |
1714 | |
1715 | #ifdef CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS | |
1716 | ||
1717 | /* | |
1718 | * The newest Synaptics device can use a secondary bus (called InterTouch) which | |
1719 | * provides a better bandwidth and allow a better control of the touchpads. | |
1720 | * This is used to decide if we need to use this bus or not. | |
1721 | */ | |
1722 | enum { | |
1723 | SYNAPTICS_INTERTOUCH_NOT_SET = -1, | |
1724 | SYNAPTICS_INTERTOUCH_OFF, | |
1725 | SYNAPTICS_INTERTOUCH_ON, | |
1726 | }; | |
1727 | ||
f4947d79 BT |
1728 | static int synaptics_intertouch = IS_ENABLED(CONFIG_RMI4_SMB) ? |
1729 | SYNAPTICS_INTERTOUCH_NOT_SET : SYNAPTICS_INTERTOUCH_OFF; | |
e839ffab BT |
1730 | module_param_named(synaptics_intertouch, synaptics_intertouch, int, 0644); |
1731 | MODULE_PARM_DESC(synaptics_intertouch, "Use a secondary bus for the Synaptics device."); | |
1732 | ||
1733 | static int synaptics_create_intertouch(struct psmouse *psmouse, | |
1734 | struct synaptics_device_info *info, | |
1735 | bool leave_breadcrumbs) | |
1736 | { | |
1737 | bool topbuttonpad = | |
1738 | psmouse_matches_pnp_id(psmouse, topbuttonpad_pnp_ids) && | |
1739 | !SYN_CAP_EXT_BUTTONS_STICK(info->ext_cap_10); | |
1740 | const struct rmi_device_platform_data pdata = { | |
1741 | .sensor_pdata = { | |
1742 | .sensor_type = rmi_sensor_touchpad, | |
1743 | .axis_align.flip_y = true, | |
2b30297d | 1744 | .kernel_tracking = false, |
e839ffab BT |
1745 | .topbuttonpad = topbuttonpad, |
1746 | }, | |
1747 | .f30_data = { | |
1748 | .buttonpad = SYN_CAP_CLICKPAD(info->ext_cap_0c), | |
1749 | .trackstick_buttons = | |
1750 | !!SYN_CAP_EXT_BUTTONS_STICK(info->ext_cap_10), | |
1751 | }, | |
1752 | }; | |
1753 | const struct i2c_board_info intertouch_board = { | |
1754 | I2C_BOARD_INFO("rmi4_smbus", 0x2c), | |
1755 | .flags = I2C_CLIENT_HOST_NOTIFY, | |
1756 | }; | |
1757 | ||
1758 | return psmouse_smbus_init(psmouse, &intertouch_board, | |
bf232e46 | 1759 | &pdata, sizeof(pdata), true, |
e839ffab BT |
1760 | leave_breadcrumbs); |
1761 | } | |
1762 | ||
1763 | /** | |
1764 | * synaptics_setup_intertouch - called once the PS/2 devices are enumerated | |
1765 | * and decides to instantiate a SMBus InterTouch device. | |
1766 | */ | |
1767 | static int synaptics_setup_intertouch(struct psmouse *psmouse, | |
1768 | struct synaptics_device_info *info, | |
1769 | bool leave_breadcrumbs) | |
1770 | { | |
1771 | int error; | |
1772 | ||
1773 | if (synaptics_intertouch == SYNAPTICS_INTERTOUCH_OFF) | |
1774 | return -ENXIO; | |
1775 | ||
1776 | if (synaptics_intertouch == SYNAPTICS_INTERTOUCH_NOT_SET) { | |
1777 | if (!psmouse_matches_pnp_id(psmouse, topbuttonpad_pnp_ids) && | |
2fef826e BT |
1778 | !psmouse_matches_pnp_id(psmouse, smbus_pnp_ids)) { |
1779 | ||
1780 | if (!psmouse_matches_pnp_id(psmouse, forcepad_pnp_ids)) | |
1781 | psmouse_info(psmouse, | |
1782 | "Your touchpad (%s) says it can support a different bus. " | |
1783 | "If i2c-hid and hid-rmi are not used, you might want to try setting psmouse.synaptics_intertouch to 1 and report this to linux-input@vger.kernel.org.\n", | |
1784 | psmouse->ps2dev.serio->firmware_id); | |
1785 | ||
e839ffab | 1786 | return -ENXIO; |
2fef826e | 1787 | } |
e839ffab BT |
1788 | } |
1789 | ||
1790 | psmouse_info(psmouse, "Trying to set up SMBus access\n"); | |
1791 | ||
1792 | error = synaptics_create_intertouch(psmouse, info, leave_breadcrumbs); | |
1793 | if (error) { | |
1794 | if (error == -EAGAIN) | |
1795 | psmouse_info(psmouse, "SMbus companion is not ready yet\n"); | |
1796 | else | |
1797 | psmouse_err(psmouse, "unable to create intertouch device\n"); | |
1798 | ||
1799 | return error; | |
1800 | } | |
1801 | ||
1802 | return 0; | |
1803 | } | |
1804 | ||
1805 | int synaptics_init_smbus(struct psmouse *psmouse) | |
1806 | { | |
1807 | struct synaptics_device_info info; | |
1808 | int error; | |
1809 | ||
1810 | psmouse_reset(psmouse); | |
1811 | ||
1812 | error = synaptics_query_hardware(psmouse, &info); | |
1813 | if (error) { | |
1814 | psmouse_err(psmouse, "Unable to query device: %d\n", error); | |
1815 | return error; | |
1816 | } | |
1817 | ||
1818 | if (!SYN_CAP_INTERTOUCH(info.ext_cap_0c)) | |
1819 | return -ENXIO; | |
1820 | ||
1821 | return synaptics_create_intertouch(psmouse, &info, false); | |
1822 | } | |
1823 | ||
1824 | #else /* CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS */ | |
1825 | ||
1826 | static int __maybe_unused | |
1827 | synaptics_setup_intertouch(struct psmouse *psmouse, | |
1828 | struct synaptics_device_info *info, | |
1829 | bool leave_breadcrumbs) | |
1830 | { | |
1831 | return -ENOSYS; | |
1832 | } | |
1833 | ||
1834 | int synaptics_init_smbus(struct psmouse *psmouse) | |
1835 | { | |
1836 | return -ENOSYS; | |
1837 | } | |
1838 | ||
1839 | #endif /* CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS */ | |
1840 | ||
1841 | #if defined(CONFIG_MOUSE_PS2_SYNAPTICS) || \ | |
1842 | defined(CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS) | |
1843 | ||
1844 | int synaptics_init(struct psmouse *psmouse) | |
1845 | { | |
1846 | struct synaptics_device_info info; | |
1847 | int error; | |
1848 | int retval; | |
1849 | ||
1850 | psmouse_reset(psmouse); | |
1851 | ||
1852 | error = synaptics_query_hardware(psmouse, &info); | |
1853 | if (error) { | |
1854 | psmouse_err(psmouse, "Unable to query device: %d\n", error); | |
1855 | return error; | |
1856 | } | |
1857 | ||
1858 | if (SYN_CAP_INTERTOUCH(info.ext_cap_0c)) { | |
f4101ff8 BT |
1859 | if ((!IS_ENABLED(CONFIG_RMI4_SMB) || |
1860 | !IS_ENABLED(CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS)) && | |
1861 | /* Forcepads need F21, which is not ready */ | |
1862 | !psmouse_matches_pnp_id(psmouse, forcepad_pnp_ids)) { | |
1863 | psmouse_warn(psmouse, | |
1864 | "The touchpad can support a better bus than the too old PS/2 protocol. " | |
1865 | "Make sure MOUSE_PS2_SYNAPTICS_SMBUS and RMI4_SMB are enabled to get a better touchpad experience.\n"); | |
1866 | } | |
1867 | ||
e839ffab BT |
1868 | error = synaptics_setup_intertouch(psmouse, &info, true); |
1869 | if (!error) | |
1870 | return PSMOUSE_SYNAPTICS_SMBUS; | |
1871 | } | |
1872 | ||
1873 | retval = synaptics_setup_ps2(psmouse, &info); | |
1874 | if (retval < 0) { | |
1875 | /* | |
1876 | * Not using any flavor of Synaptics support, so clean up | |
1877 | * SMbus breadcrumbs, if any. | |
1878 | */ | |
1879 | psmouse_smbus_cleanup(psmouse); | |
1880 | } | |
1881 | ||
1882 | return retval; | |
1883 | } | |
1884 | ||
1885 | #else /* CONFIG_MOUSE_PS2_SYNAPTICS || CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS */ | |
1886 | ||
1887 | int synaptics_init(struct psmouse *psmouse) | |
1888 | { | |
1889 | return -ENOSYS; | |
1890 | } | |
1891 | ||
1892 | #endif /* CONFIG_MOUSE_PS2_SYNAPTICS || CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS */ |