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> | |
7705d548 | 27 | #include <linux/dmi.h> |
fec6e525 | 28 | #include <linux/input/mt.h> |
1da177e4 LT |
29 | #include <linux/serio.h> |
30 | #include <linux/libps2.h> | |
5a0e3ad6 | 31 | #include <linux/slab.h> |
1da177e4 LT |
32 | #include "psmouse.h" |
33 | #include "synaptics.h" | |
34 | ||
35 | /* | |
36 | * The x/y limits are taken from the Synaptics TouchPad interfacing Guide, | |
37 | * section 2.3.2, which says that they should be valid regardless of the | |
38 | * actual size of the sensor. | |
83ba9ea8 DT |
39 | * Note that newer firmware allows querying device for maximum useable |
40 | * coordinates. | |
1da177e4 LT |
41 | */ |
42 | #define XMIN_NOMINAL 1472 | |
43 | #define XMAX_NOMINAL 5472 | |
44 | #define YMIN_NOMINAL 1408 | |
45 | #define YMAX_NOMINAL 4448 | |
46 | ||
6de58dd6 DK |
47 | /* |
48 | * Synaptics touchpads report the y coordinate from bottom to top, which is | |
49 | * opposite from what userspace expects. | |
50 | * This function is used to invert y before reporting. | |
51 | */ | |
52 | static int synaptics_invert_y(int y) | |
53 | { | |
54 | return YMAX_NOMINAL + YMIN_NOMINAL - y; | |
55 | } | |
56 | ||
55e3d922 | 57 | |
1da177e4 | 58 | /***************************************************************************** |
55e3d922 | 59 | * Stuff we need even when we do not want native Synaptics support |
1da177e4 LT |
60 | ****************************************************************************/ |
61 | ||
62 | /* | |
55e3d922 | 63 | * Set the synaptics touchpad mode byte by special commands |
1da177e4 | 64 | */ |
55e3d922 | 65 | static int synaptics_mode_cmd(struct psmouse *psmouse, unsigned char mode) |
1da177e4 | 66 | { |
55e3d922 AS |
67 | unsigned char param[1]; |
68 | ||
69 | if (psmouse_sliced_command(psmouse, mode)) | |
1da177e4 | 70 | return -1; |
55e3d922 AS |
71 | param[0] = SYN_PS_SET_MODE2; |
72 | if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_SETRATE)) | |
1da177e4 LT |
73 | return -1; |
74 | return 0; | |
75 | } | |
76 | ||
b7802c5c | 77 | int synaptics_detect(struct psmouse *psmouse, bool set_properties) |
55e3d922 AS |
78 | { |
79 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
80 | unsigned char param[4]; | |
81 | ||
82 | param[0] = 0; | |
83 | ||
84 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); | |
85 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); | |
86 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); | |
87 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); | |
88 | ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO); | |
89 | ||
90 | if (param[1] != 0x47) | |
91 | return -ENODEV; | |
92 | ||
93 | if (set_properties) { | |
94 | psmouse->vendor = "Synaptics"; | |
95 | psmouse->name = "TouchPad"; | |
96 | } | |
97 | ||
98 | return 0; | |
99 | } | |
100 | ||
101 | void synaptics_reset(struct psmouse *psmouse) | |
102 | { | |
103 | /* reset touchpad back to relative mode, gestures enabled */ | |
104 | synaptics_mode_cmd(psmouse, 0); | |
105 | } | |
106 | ||
107 | #ifdef CONFIG_MOUSE_PS2_SYNAPTICS | |
108 | ||
109 | /***************************************************************************** | |
110 | * Synaptics communications functions | |
111 | ****************************************************************************/ | |
112 | ||
1da177e4 | 113 | /* |
55e3d922 | 114 | * Send a command to the synpatics touchpad by special commands |
1da177e4 | 115 | */ |
55e3d922 | 116 | static int synaptics_send_cmd(struct psmouse *psmouse, unsigned char c, unsigned char *param) |
1da177e4 | 117 | { |
55e3d922 | 118 | if (psmouse_sliced_command(psmouse, c)) |
1da177e4 | 119 | return -1; |
55e3d922 | 120 | if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETINFO)) |
1da177e4 LT |
121 | return -1; |
122 | return 0; | |
123 | } | |
124 | ||
125 | /* | |
126 | * Read the model-id bytes from the touchpad | |
127 | * see also SYN_MODEL_* macros | |
128 | */ | |
129 | static int synaptics_model_id(struct psmouse *psmouse) | |
130 | { | |
131 | struct synaptics_data *priv = psmouse->private; | |
132 | unsigned char mi[3]; | |
133 | ||
134 | if (synaptics_send_cmd(psmouse, SYN_QUE_MODEL, mi)) | |
135 | return -1; | |
136 | priv->model_id = (mi[0]<<16) | (mi[1]<<8) | mi[2]; | |
137 | return 0; | |
138 | } | |
139 | ||
140 | /* | |
141 | * Read the capability-bits from the touchpad | |
142 | * see also the SYN_CAP_* macros | |
143 | */ | |
144 | static int synaptics_capability(struct psmouse *psmouse) | |
145 | { | |
146 | struct synaptics_data *priv = psmouse->private; | |
147 | unsigned char cap[3]; | |
148 | ||
149 | if (synaptics_send_cmd(psmouse, SYN_QUE_CAPABILITIES, cap)) | |
150 | return -1; | |
151 | priv->capabilities = (cap[0] << 16) | (cap[1] << 8) | cap[2]; | |
5f57d67d TI |
152 | priv->ext_cap = priv->ext_cap_0c = 0; |
153 | ||
3619b8fe DT |
154 | /* |
155 | * Older firmwares had submodel ID fixed to 0x47 | |
156 | */ | |
157 | if (SYN_ID_FULL(priv->identity) < 0x705 && | |
158 | SYN_CAP_SUBMODEL_ID(priv->capabilities) != 0x47) { | |
1da177e4 | 159 | return -1; |
3619b8fe | 160 | } |
1da177e4 LT |
161 | |
162 | /* | |
163 | * Unless capExtended is set the rest of the flags should be ignored | |
164 | */ | |
165 | if (!SYN_CAP_EXTENDED(priv->capabilities)) | |
166 | priv->capabilities = 0; | |
167 | ||
168 | if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 1) { | |
169 | if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_CAPAB, cap)) { | |
170 | printk(KERN_ERR "Synaptics claims to have extended capabilities," | |
5f57d67d | 171 | " but I'm not able to read them.\n"); |
1da177e4 LT |
172 | } else { |
173 | priv->ext_cap = (cap[0] << 16) | (cap[1] << 8) | cap[2]; | |
174 | ||
175 | /* | |
176 | * if nExtBtn is greater than 8 it should be considered | |
177 | * invalid and treated as 0 | |
178 | */ | |
179 | if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) > 8) | |
180 | priv->ext_cap &= 0xff0fff; | |
181 | } | |
182 | } | |
5f57d67d TI |
183 | |
184 | if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 4) { | |
185 | if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_CAPAB_0C, cap)) { | |
186 | printk(KERN_ERR "Synaptics claims to have extended capability 0x0c," | |
187 | " but I'm not able to read it.\n"); | |
188 | } else { | |
189 | priv->ext_cap_0c = (cap[0] << 16) | (cap[1] << 8) | cap[2]; | |
190 | } | |
191 | } | |
192 | ||
1da177e4 LT |
193 | return 0; |
194 | } | |
195 | ||
196 | /* | |
197 | * Identify Touchpad | |
198 | * See also the SYN_ID_* macros | |
199 | */ | |
200 | static int synaptics_identify(struct psmouse *psmouse) | |
201 | { | |
202 | struct synaptics_data *priv = psmouse->private; | |
203 | unsigned char id[3]; | |
204 | ||
205 | if (synaptics_send_cmd(psmouse, SYN_QUE_IDENTIFY, id)) | |
206 | return -1; | |
207 | priv->identity = (id[0]<<16) | (id[1]<<8) | id[2]; | |
208 | if (SYN_ID_IS_SYNAPTICS(priv->identity)) | |
209 | return 0; | |
210 | return -1; | |
211 | } | |
212 | ||
ec20a022 | 213 | /* |
83ba9ea8 | 214 | * Read touchpad resolution and maximum reported coordinates |
ec20a022 TS |
215 | * Resolution is left zero if touchpad does not support the query |
216 | */ | |
217 | static int synaptics_resolution(struct psmouse *psmouse) | |
218 | { | |
219 | struct synaptics_data *priv = psmouse->private; | |
a66413fb | 220 | unsigned char resp[3]; |
ec20a022 TS |
221 | |
222 | if (SYN_ID_MAJOR(priv->identity) < 4) | |
bbddd199 | 223 | return 0; |
ec20a022 | 224 | |
a66413fb DT |
225 | if (synaptics_send_cmd(psmouse, SYN_QUE_RESOLUTION, resp) == 0) { |
226 | if (resp[0] != 0 && (resp[1] & 0x80) && resp[2] != 0) { | |
227 | priv->x_res = resp[0]; /* x resolution in units/mm */ | |
228 | priv->y_res = resp[2]; /* y resolution in units/mm */ | |
83ba9ea8 DT |
229 | } |
230 | } | |
ec20a022 | 231 | |
83ba9ea8 DT |
232 | if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 5 && |
233 | SYN_CAP_MAX_DIMENSIONS(priv->ext_cap_0c)) { | |
a66413fb DT |
234 | if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_MAX_COORDS, resp)) { |
235 | printk(KERN_ERR "Synaptics claims to have max coordinates" | |
236 | " query, but I'm not able to read it.\n"); | |
237 | } else { | |
238 | priv->x_max = (resp[0] << 5) | ((resp[1] & 0x0f) << 1); | |
239 | priv->y_max = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3); | |
240 | } | |
241 | } | |
242 | ||
243 | if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 7 && | |
244 | SYN_CAP_MIN_DIMENSIONS(priv->ext_cap_0c)) { | |
245 | if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_MIN_COORDS, resp)) { | |
246 | printk(KERN_ERR "Synaptics claims to have min coordinates" | |
247 | " query, but I'm not able to read it.\n"); | |
83ba9ea8 | 248 | } else { |
a66413fb DT |
249 | priv->x_min = (resp[0] << 5) | ((resp[1] & 0x0f) << 1); |
250 | priv->y_min = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3); | |
83ba9ea8 | 251 | } |
ec20a022 TS |
252 | } |
253 | ||
254 | return 0; | |
255 | } | |
256 | ||
1da177e4 LT |
257 | static int synaptics_query_hardware(struct psmouse *psmouse) |
258 | { | |
1da177e4 LT |
259 | if (synaptics_identify(psmouse)) |
260 | return -1; | |
261 | if (synaptics_model_id(psmouse)) | |
262 | return -1; | |
263 | if (synaptics_capability(psmouse)) | |
264 | return -1; | |
ec20a022 TS |
265 | if (synaptics_resolution(psmouse)) |
266 | return -1; | |
1da177e4 LT |
267 | |
268 | return 0; | |
269 | } | |
270 | ||
271 | static int synaptics_set_absolute_mode(struct psmouse *psmouse) | |
272 | { | |
273 | struct synaptics_data *priv = psmouse->private; | |
274 | ||
275 | priv->mode = SYN_BIT_ABSOLUTE_MODE; | |
276 | if (SYN_ID_MAJOR(priv->identity) >= 4) | |
277 | priv->mode |= SYN_BIT_DISABLE_GESTURE; | |
278 | if (SYN_CAP_EXTENDED(priv->capabilities)) | |
279 | priv->mode |= SYN_BIT_W_MODE; | |
280 | ||
281 | if (synaptics_mode_cmd(psmouse, priv->mode)) | |
282 | return -1; | |
283 | ||
284 | return 0; | |
285 | } | |
286 | ||
287 | static void synaptics_set_rate(struct psmouse *psmouse, unsigned int rate) | |
288 | { | |
289 | struct synaptics_data *priv = psmouse->private; | |
290 | ||
291 | if (rate >= 80) { | |
292 | priv->mode |= SYN_BIT_HIGH_RATE; | |
293 | psmouse->rate = 80; | |
294 | } else { | |
295 | priv->mode &= ~SYN_BIT_HIGH_RATE; | |
296 | psmouse->rate = 40; | |
297 | } | |
298 | ||
299 | synaptics_mode_cmd(psmouse, priv->mode); | |
300 | } | |
301 | ||
fec6e525 HR |
302 | static int synaptics_set_advanced_gesture_mode(struct psmouse *psmouse) |
303 | { | |
304 | static unsigned char param = 0xc8; | |
305 | struct synaptics_data *priv = psmouse->private; | |
306 | ||
307 | if (!SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) | |
308 | return 0; | |
309 | ||
310 | if (psmouse_sliced_command(psmouse, SYN_QUE_MODEL)) | |
311 | return -1; | |
312 | if (ps2_command(&psmouse->ps2dev, ¶m, PSMOUSE_CMD_SETRATE)) | |
313 | return -1; | |
314 | ||
315 | /* Advanced gesture mode also sends multi finger data */ | |
316 | priv->capabilities |= BIT(1); | |
317 | ||
318 | return 0; | |
319 | } | |
320 | ||
1da177e4 LT |
321 | /***************************************************************************** |
322 | * Synaptics pass-through PS/2 port support | |
323 | ****************************************************************************/ | |
324 | static int synaptics_pt_write(struct serio *serio, unsigned char c) | |
325 | { | |
326 | struct psmouse *parent = serio_get_drvdata(serio->parent); | |
327 | char rate_param = SYN_PS_CLIENT_CMD; /* indicates that we want pass-through port */ | |
328 | ||
329 | if (psmouse_sliced_command(parent, c)) | |
330 | return -1; | |
331 | if (ps2_command(&parent->ps2dev, &rate_param, PSMOUSE_CMD_SETRATE)) | |
332 | return -1; | |
333 | return 0; | |
334 | } | |
335 | ||
a8b3c0f5 DT |
336 | static int synaptics_pt_start(struct serio *serio) |
337 | { | |
338 | struct psmouse *parent = serio_get_drvdata(serio->parent); | |
339 | struct synaptics_data *priv = parent->private; | |
340 | ||
341 | serio_pause_rx(parent->ps2dev.serio); | |
342 | priv->pt_port = serio; | |
343 | serio_continue_rx(parent->ps2dev.serio); | |
344 | ||
345 | return 0; | |
346 | } | |
347 | ||
348 | static void synaptics_pt_stop(struct serio *serio) | |
349 | { | |
350 | struct psmouse *parent = serio_get_drvdata(serio->parent); | |
351 | struct synaptics_data *priv = parent->private; | |
352 | ||
353 | serio_pause_rx(parent->ps2dev.serio); | |
354 | priv->pt_port = NULL; | |
355 | serio_continue_rx(parent->ps2dev.serio); | |
356 | } | |
357 | ||
358 | static int synaptics_is_pt_packet(unsigned char *buf) | |
1da177e4 LT |
359 | { |
360 | return (buf[0] & 0xFC) == 0x84 && (buf[3] & 0xCC) == 0xC4; | |
361 | } | |
362 | ||
363 | static void synaptics_pass_pt_packet(struct serio *ptport, unsigned char *packet) | |
364 | { | |
365 | struct psmouse *child = serio_get_drvdata(ptport); | |
366 | ||
367 | if (child && child->state == PSMOUSE_ACTIVATED) { | |
7d12e780 DH |
368 | serio_interrupt(ptport, packet[1], 0); |
369 | serio_interrupt(ptport, packet[4], 0); | |
370 | serio_interrupt(ptport, packet[5], 0); | |
33fdfa97 | 371 | if (child->pktsize == 4) |
7d12e780 | 372 | serio_interrupt(ptport, packet[2], 0); |
1da177e4 | 373 | } else |
7d12e780 | 374 | serio_interrupt(ptport, packet[1], 0); |
1da177e4 LT |
375 | } |
376 | ||
377 | static void synaptics_pt_activate(struct psmouse *psmouse) | |
378 | { | |
1da177e4 | 379 | struct synaptics_data *priv = psmouse->private; |
a8b3c0f5 | 380 | struct psmouse *child = serio_get_drvdata(priv->pt_port); |
1da177e4 LT |
381 | |
382 | /* adjust the touchpad to child's choice of protocol */ | |
383 | if (child) { | |
33fdfa97 | 384 | if (child->pktsize == 4) |
1da177e4 LT |
385 | priv->mode |= SYN_BIT_FOUR_BYTE_CLIENT; |
386 | else | |
387 | priv->mode &= ~SYN_BIT_FOUR_BYTE_CLIENT; | |
388 | ||
389 | if (synaptics_mode_cmd(psmouse, priv->mode)) | |
390 | printk(KERN_INFO "synaptics: failed to switch guest protocol\n"); | |
391 | } | |
392 | } | |
393 | ||
394 | static void synaptics_pt_create(struct psmouse *psmouse) | |
395 | { | |
396 | struct serio *serio; | |
397 | ||
b39787a9 | 398 | serio = kzalloc(sizeof(struct serio), GFP_KERNEL); |
1da177e4 LT |
399 | if (!serio) { |
400 | printk(KERN_ERR "synaptics: not enough memory to allocate pass-through port\n"); | |
401 | return; | |
402 | } | |
403 | ||
1da177e4 LT |
404 | serio->id.type = SERIO_PS_PSTHRU; |
405 | strlcpy(serio->name, "Synaptics pass-through", sizeof(serio->name)); | |
406 | strlcpy(serio->phys, "synaptics-pt/serio0", sizeof(serio->name)); | |
407 | serio->write = synaptics_pt_write; | |
a8b3c0f5 DT |
408 | serio->start = synaptics_pt_start; |
409 | serio->stop = synaptics_pt_stop; | |
1da177e4 LT |
410 | serio->parent = psmouse->ps2dev.serio; |
411 | ||
412 | psmouse->pt_activate = synaptics_pt_activate; | |
413 | ||
414 | printk(KERN_INFO "serio: %s port at %s\n", serio->name, psmouse->phys); | |
415 | serio_register_port(serio); | |
416 | } | |
417 | ||
418 | /***************************************************************************** | |
419 | * Functions to interpret the absolute mode packets | |
420 | ****************************************************************************/ | |
421 | ||
fec6e525 HR |
422 | static int synaptics_parse_hw_state(const unsigned char buf[], |
423 | struct synaptics_data *priv, | |
424 | struct synaptics_hw_state *hw) | |
1da177e4 LT |
425 | { |
426 | memset(hw, 0, sizeof(struct synaptics_hw_state)); | |
427 | ||
428 | if (SYN_MODEL_NEWABS(priv->model_id)) { | |
1da177e4 LT |
429 | hw->w = (((buf[0] & 0x30) >> 2) | |
430 | ((buf[0] & 0x04) >> 1) | | |
431 | ((buf[3] & 0x04) >> 2)); | |
432 | ||
433 | hw->left = (buf[0] & 0x01) ? 1 : 0; | |
434 | hw->right = (buf[0] & 0x02) ? 1 : 0; | |
435 | ||
5f57d67d TI |
436 | if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) { |
437 | /* | |
438 | * Clickpad's button is transmitted as middle button, | |
439 | * however, since it is primary button, we will report | |
440 | * it as BTN_LEFT. | |
441 | */ | |
442 | hw->left = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0; | |
443 | ||
444 | } else if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) { | |
1da177e4 LT |
445 | hw->middle = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0; |
446 | if (hw->w == 2) | |
447 | hw->scroll = (signed char)(buf[1]); | |
448 | } | |
449 | ||
450 | if (SYN_CAP_FOUR_BUTTON(priv->capabilities)) { | |
451 | hw->up = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0; | |
452 | hw->down = ((buf[0] ^ buf[3]) & 0x02) ? 1 : 0; | |
453 | } | |
454 | ||
28d5fd86 DK |
455 | if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) && hw->w == 2) { |
456 | /* Gesture packet: (x, y, z) at half resolution */ | |
457 | priv->mt.x = (((buf[4] & 0x0f) << 8) | buf[1]) << 1; | |
458 | priv->mt.y = (((buf[4] & 0xf0) << 4) | buf[2]) << 1; | |
459 | priv->mt.z = ((buf[3] & 0x30) | (buf[5] & 0x0f)) << 1; | |
460 | return 1; | |
461 | } | |
462 | ||
463 | hw->x = (((buf[3] & 0x10) << 8) | | |
464 | ((buf[1] & 0x0f) << 8) | | |
465 | buf[4]); | |
466 | hw->y = (((buf[3] & 0x20) << 7) | | |
467 | ((buf[1] & 0xf0) << 4) | | |
468 | buf[5]); | |
469 | hw->z = buf[2]; | |
470 | ||
1da177e4 LT |
471 | if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) && |
472 | ((buf[0] ^ buf[3]) & 0x02)) { | |
473 | switch (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) & ~0x01) { | |
474 | default: | |
475 | /* | |
476 | * if nExtBtn is greater than 8 it should be | |
477 | * considered invalid and treated as 0 | |
478 | */ | |
479 | break; | |
480 | case 8: | |
481 | hw->ext_buttons |= ((buf[5] & 0x08)) ? 0x80 : 0; | |
482 | hw->ext_buttons |= ((buf[4] & 0x08)) ? 0x40 : 0; | |
483 | case 6: | |
484 | hw->ext_buttons |= ((buf[5] & 0x04)) ? 0x20 : 0; | |
485 | hw->ext_buttons |= ((buf[4] & 0x04)) ? 0x10 : 0; | |
486 | case 4: | |
487 | hw->ext_buttons |= ((buf[5] & 0x02)) ? 0x08 : 0; | |
488 | hw->ext_buttons |= ((buf[4] & 0x02)) ? 0x04 : 0; | |
489 | case 2: | |
490 | hw->ext_buttons |= ((buf[5] & 0x01)) ? 0x02 : 0; | |
491 | hw->ext_buttons |= ((buf[4] & 0x01)) ? 0x01 : 0; | |
492 | } | |
493 | } | |
494 | } else { | |
495 | hw->x = (((buf[1] & 0x1f) << 8) | buf[2]); | |
496 | hw->y = (((buf[4] & 0x1f) << 8) | buf[5]); | |
497 | ||
498 | hw->z = (((buf[0] & 0x30) << 2) | (buf[3] & 0x3F)); | |
499 | hw->w = (((buf[1] & 0x80) >> 4) | ((buf[0] & 0x04) >> 1)); | |
500 | ||
501 | hw->left = (buf[0] & 0x01) ? 1 : 0; | |
502 | hw->right = (buf[0] & 0x02) ? 1 : 0; | |
503 | } | |
fec6e525 HR |
504 | |
505 | return 0; | |
506 | } | |
507 | ||
bea9f0ff DK |
508 | static void synaptics_report_semi_mt_slot(struct input_dev *dev, int slot, |
509 | bool active, int x, int y) | |
fec6e525 HR |
510 | { |
511 | input_mt_slot(dev, slot); | |
512 | input_mt_report_slot_state(dev, MT_TOOL_FINGER, active); | |
513 | if (active) { | |
514 | input_report_abs(dev, ABS_MT_POSITION_X, x); | |
6de58dd6 | 515 | input_report_abs(dev, ABS_MT_POSITION_Y, synaptics_invert_y(y)); |
fec6e525 HR |
516 | } |
517 | } | |
518 | ||
519 | static void synaptics_report_semi_mt_data(struct input_dev *dev, | |
520 | const struct synaptics_hw_state *a, | |
521 | const struct synaptics_hw_state *b, | |
522 | int num_fingers) | |
523 | { | |
524 | if (num_fingers >= 2) { | |
bea9f0ff DK |
525 | synaptics_report_semi_mt_slot(dev, 0, true, min(a->x, b->x), |
526 | min(a->y, b->y)); | |
527 | synaptics_report_semi_mt_slot(dev, 1, true, max(a->x, b->x), | |
528 | max(a->y, b->y)); | |
fec6e525 | 529 | } else if (num_fingers == 1) { |
bea9f0ff DK |
530 | synaptics_report_semi_mt_slot(dev, 0, true, a->x, a->y); |
531 | synaptics_report_semi_mt_slot(dev, 1, false, 0, 0); | |
fec6e525 | 532 | } else { |
bea9f0ff DK |
533 | synaptics_report_semi_mt_slot(dev, 0, false, 0, 0); |
534 | synaptics_report_semi_mt_slot(dev, 1, false, 0, 0); | |
fec6e525 | 535 | } |
1da177e4 LT |
536 | } |
537 | ||
538 | /* | |
539 | * called for each full received packet from the touchpad | |
540 | */ | |
541 | static void synaptics_process_packet(struct psmouse *psmouse) | |
542 | { | |
2e5b636b | 543 | struct input_dev *dev = psmouse->dev; |
1da177e4 LT |
544 | struct synaptics_data *priv = psmouse->private; |
545 | struct synaptics_hw_state hw; | |
546 | int num_fingers; | |
547 | int finger_width; | |
548 | int i; | |
549 | ||
fec6e525 HR |
550 | if (synaptics_parse_hw_state(psmouse->packet, priv, &hw)) |
551 | return; | |
1da177e4 LT |
552 | |
553 | if (hw.scroll) { | |
554 | priv->scroll += hw.scroll; | |
555 | ||
556 | while (priv->scroll >= 4) { | |
557 | input_report_key(dev, BTN_BACK, !hw.down); | |
558 | input_sync(dev); | |
559 | input_report_key(dev, BTN_BACK, hw.down); | |
560 | input_sync(dev); | |
561 | priv->scroll -= 4; | |
562 | } | |
563 | while (priv->scroll <= -4) { | |
564 | input_report_key(dev, BTN_FORWARD, !hw.up); | |
565 | input_sync(dev); | |
566 | input_report_key(dev, BTN_FORWARD, hw.up); | |
567 | input_sync(dev); | |
568 | priv->scroll += 4; | |
569 | } | |
570 | return; | |
571 | } | |
572 | ||
4f56ce92 | 573 | if (hw.z > 0 && hw.x > 1) { |
1da177e4 LT |
574 | num_fingers = 1; |
575 | finger_width = 5; | |
576 | if (SYN_CAP_EXTENDED(priv->capabilities)) { | |
577 | switch (hw.w) { | |
578 | case 0 ... 1: | |
579 | if (SYN_CAP_MULTIFINGER(priv->capabilities)) | |
580 | num_fingers = hw.w + 2; | |
581 | break; | |
582 | case 2: | |
583 | if (SYN_MODEL_PEN(priv->model_id)) | |
584 | ; /* Nothing, treat a pen as a single finger */ | |
585 | break; | |
586 | case 4 ... 15: | |
587 | if (SYN_CAP_PALMDETECT(priv->capabilities)) | |
588 | finger_width = hw.w; | |
589 | break; | |
590 | } | |
591 | } | |
592 | } else { | |
593 | num_fingers = 0; | |
594 | finger_width = 0; | |
595 | } | |
596 | ||
fec6e525 HR |
597 | if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) |
598 | synaptics_report_semi_mt_data(dev, &hw, &priv->mt, num_fingers); | |
599 | ||
1da177e4 LT |
600 | /* Post events |
601 | * BTN_TOUCH has to be first as mousedev relies on it when doing | |
602 | * absolute -> relative conversion | |
603 | */ | |
604 | if (hw.z > 30) input_report_key(dev, BTN_TOUCH, 1); | |
605 | if (hw.z < 25) input_report_key(dev, BTN_TOUCH, 0); | |
606 | ||
4f56ce92 | 607 | if (num_fingers > 0) { |
1da177e4 | 608 | input_report_abs(dev, ABS_X, hw.x); |
6de58dd6 | 609 | input_report_abs(dev, ABS_Y, synaptics_invert_y(hw.y)); |
1da177e4 LT |
610 | } |
611 | input_report_abs(dev, ABS_PRESSURE, hw.z); | |
612 | ||
2a8e7710 CB |
613 | if (SYN_CAP_PALMDETECT(priv->capabilities)) |
614 | input_report_abs(dev, ABS_TOOL_WIDTH, finger_width); | |
615 | ||
1da177e4 | 616 | input_report_key(dev, BTN_TOOL_FINGER, num_fingers == 1); |
1da177e4 LT |
617 | input_report_key(dev, BTN_LEFT, hw.left); |
618 | input_report_key(dev, BTN_RIGHT, hw.right); | |
619 | ||
e42b6646 PH |
620 | if (SYN_CAP_MULTIFINGER(priv->capabilities)) { |
621 | input_report_key(dev, BTN_TOOL_DOUBLETAP, num_fingers == 2); | |
622 | input_report_key(dev, BTN_TOOL_TRIPLETAP, num_fingers == 3); | |
623 | } | |
624 | ||
1da177e4 LT |
625 | if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) |
626 | input_report_key(dev, BTN_MIDDLE, hw.middle); | |
627 | ||
628 | if (SYN_CAP_FOUR_BUTTON(priv->capabilities)) { | |
629 | input_report_key(dev, BTN_FORWARD, hw.up); | |
630 | input_report_key(dev, BTN_BACK, hw.down); | |
631 | } | |
632 | ||
633 | for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap); i++) | |
634 | input_report_key(dev, BTN_0 + i, hw.ext_buttons & (1 << i)); | |
635 | ||
636 | input_sync(dev); | |
637 | } | |
638 | ||
639 | static int synaptics_validate_byte(unsigned char packet[], int idx, unsigned char pkt_type) | |
640 | { | |
e38de678 HD |
641 | static const unsigned char newabs_mask[] = { 0xC8, 0x00, 0x00, 0xC8, 0x00 }; |
642 | static const unsigned char newabs_rel_mask[] = { 0xC0, 0x00, 0x00, 0xC0, 0x00 }; | |
643 | static const unsigned char newabs_rslt[] = { 0x80, 0x00, 0x00, 0xC0, 0x00 }; | |
644 | static const unsigned char oldabs_mask[] = { 0xC0, 0x60, 0x00, 0xC0, 0x60 }; | |
645 | static const unsigned char oldabs_rslt[] = { 0xC0, 0x00, 0x00, 0x80, 0x00 }; | |
1da177e4 LT |
646 | |
647 | if (idx < 0 || idx > 4) | |
648 | return 0; | |
649 | ||
650 | switch (pkt_type) { | |
1da177e4 | 651 | |
a62f0d27 DT |
652 | case SYN_NEWABS: |
653 | case SYN_NEWABS_RELAXED: | |
654 | return (packet[idx] & newabs_rel_mask[idx]) == newabs_rslt[idx]; | |
1da177e4 | 655 | |
a62f0d27 DT |
656 | case SYN_NEWABS_STRICT: |
657 | return (packet[idx] & newabs_mask[idx]) == newabs_rslt[idx]; | |
1da177e4 | 658 | |
a62f0d27 DT |
659 | case SYN_OLDABS: |
660 | return (packet[idx] & oldabs_mask[idx]) == oldabs_rslt[idx]; | |
661 | ||
662 | default: | |
663 | printk(KERN_ERR "synaptics: unknown packet type %d\n", pkt_type); | |
664 | return 0; | |
1da177e4 LT |
665 | } |
666 | } | |
667 | ||
668 | static unsigned char synaptics_detect_pkt_type(struct psmouse *psmouse) | |
669 | { | |
670 | int i; | |
671 | ||
672 | for (i = 0; i < 5; i++) | |
673 | if (!synaptics_validate_byte(psmouse->packet, i, SYN_NEWABS_STRICT)) { | |
674 | printk(KERN_INFO "synaptics: using relaxed packet validation\n"); | |
675 | return SYN_NEWABS_RELAXED; | |
676 | } | |
677 | ||
678 | return SYN_NEWABS_STRICT; | |
679 | } | |
680 | ||
7d12e780 | 681 | static psmouse_ret_t synaptics_process_byte(struct psmouse *psmouse) |
1da177e4 | 682 | { |
1da177e4 LT |
683 | struct synaptics_data *priv = psmouse->private; |
684 | ||
1da177e4 LT |
685 | if (psmouse->pktcnt >= 6) { /* Full packet received */ |
686 | if (unlikely(priv->pkt_type == SYN_NEWABS)) | |
687 | priv->pkt_type = synaptics_detect_pkt_type(psmouse); | |
688 | ||
a8b3c0f5 DT |
689 | if (SYN_CAP_PASS_THROUGH(priv->capabilities) && |
690 | synaptics_is_pt_packet(psmouse->packet)) { | |
691 | if (priv->pt_port) | |
692 | synaptics_pass_pt_packet(priv->pt_port, psmouse->packet); | |
1da177e4 LT |
693 | } else |
694 | synaptics_process_packet(psmouse); | |
695 | ||
696 | return PSMOUSE_FULL_PACKET; | |
697 | } | |
698 | ||
699 | return synaptics_validate_byte(psmouse->packet, psmouse->pktcnt - 1, priv->pkt_type) ? | |
700 | PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA; | |
701 | } | |
702 | ||
703 | /***************************************************************************** | |
704 | * Driver initialization/cleanup functions | |
705 | ****************************************************************************/ | |
706 | static void set_input_params(struct input_dev *dev, struct synaptics_data *priv) | |
707 | { | |
708 | int i; | |
a9f0b79e DK |
709 | int fuzz = SYN_CAP_REDUCED_FILTERING(priv->ext_cap_0c) ? |
710 | SYN_REDUCED_FILTER_FUZZ : 0; | |
1da177e4 | 711 | |
c14890a8 HR |
712 | __set_bit(INPUT_PROP_POINTER, dev->propbit); |
713 | ||
b7802c5c | 714 | __set_bit(EV_ABS, dev->evbit); |
a66413fb DT |
715 | input_set_abs_params(dev, ABS_X, |
716 | priv->x_min ?: XMIN_NOMINAL, | |
717 | priv->x_max ?: XMAX_NOMINAL, | |
718 | fuzz, 0); | |
719 | input_set_abs_params(dev, ABS_Y, | |
720 | priv->y_min ?: YMIN_NOMINAL, | |
721 | priv->y_max ?: YMAX_NOMINAL, | |
722 | fuzz, 0); | |
1da177e4 | 723 | input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0); |
2a8e7710 | 724 | |
fec6e525 HR |
725 | if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) { |
726 | __set_bit(INPUT_PROP_SEMI_MT, dev->propbit); | |
727 | input_mt_init_slots(dev, 2); | |
a66413fb DT |
728 | input_set_abs_params(dev, ABS_MT_POSITION_X, |
729 | priv->x_min ?: XMIN_NOMINAL, | |
730 | priv->x_max ?: XMAX_NOMINAL, | |
731 | fuzz, 0); | |
732 | input_set_abs_params(dev, ABS_MT_POSITION_Y, | |
733 | priv->y_min ?: YMIN_NOMINAL, | |
734 | priv->y_max ?: YMAX_NOMINAL, | |
735 | fuzz, 0); | |
8be3c650 DK |
736 | |
737 | input_abs_set_res(dev, ABS_MT_POSITION_X, priv->x_res); | |
738 | input_abs_set_res(dev, ABS_MT_POSITION_Y, priv->y_res); | |
fec6e525 HR |
739 | } |
740 | ||
2a8e7710 | 741 | if (SYN_CAP_PALMDETECT(priv->capabilities)) |
58fb0218 | 742 | input_set_abs_params(dev, ABS_TOOL_WIDTH, 0, 15, 0, 0); |
1da177e4 | 743 | |
b7802c5c DT |
744 | __set_bit(EV_KEY, dev->evbit); |
745 | __set_bit(BTN_TOUCH, dev->keybit); | |
746 | __set_bit(BTN_TOOL_FINGER, dev->keybit); | |
747 | __set_bit(BTN_LEFT, dev->keybit); | |
748 | __set_bit(BTN_RIGHT, dev->keybit); | |
1da177e4 | 749 | |
e42b6646 | 750 | if (SYN_CAP_MULTIFINGER(priv->capabilities)) { |
b7802c5c DT |
751 | __set_bit(BTN_TOOL_DOUBLETAP, dev->keybit); |
752 | __set_bit(BTN_TOOL_TRIPLETAP, dev->keybit); | |
e42b6646 PH |
753 | } |
754 | ||
1da177e4 | 755 | if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) |
b7802c5c | 756 | __set_bit(BTN_MIDDLE, dev->keybit); |
1da177e4 LT |
757 | |
758 | if (SYN_CAP_FOUR_BUTTON(priv->capabilities) || | |
759 | SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) { | |
b7802c5c DT |
760 | __set_bit(BTN_FORWARD, dev->keybit); |
761 | __set_bit(BTN_BACK, dev->keybit); | |
1da177e4 LT |
762 | } |
763 | ||
764 | for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap); i++) | |
b7802c5c | 765 | __set_bit(BTN_0 + i, dev->keybit); |
1da177e4 | 766 | |
b7802c5c DT |
767 | __clear_bit(EV_REL, dev->evbit); |
768 | __clear_bit(REL_X, dev->relbit); | |
769 | __clear_bit(REL_Y, dev->relbit); | |
ec20a022 | 770 | |
987a6c02 DM |
771 | input_abs_set_res(dev, ABS_X, priv->x_res); |
772 | input_abs_set_res(dev, ABS_Y, priv->y_res); | |
5f57d67d TI |
773 | |
774 | if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) { | |
c14890a8 | 775 | __set_bit(INPUT_PROP_BUTTONPAD, dev->propbit); |
5f57d67d TI |
776 | /* Clickpads report only left button */ |
777 | __clear_bit(BTN_RIGHT, dev->keybit); | |
778 | __clear_bit(BTN_MIDDLE, dev->keybit); | |
779 | } | |
1da177e4 LT |
780 | } |
781 | ||
1da177e4 LT |
782 | static void synaptics_disconnect(struct psmouse *psmouse) |
783 | { | |
784 | synaptics_reset(psmouse); | |
785 | kfree(psmouse->private); | |
786 | psmouse->private = NULL; | |
787 | } | |
788 | ||
789 | static int synaptics_reconnect(struct psmouse *psmouse) | |
790 | { | |
791 | struct synaptics_data *priv = psmouse->private; | |
792 | struct synaptics_data old_priv = *priv; | |
c63fe0a4 APF |
793 | int retry = 0; |
794 | int error; | |
1da177e4 | 795 | |
c63fe0a4 APF |
796 | do { |
797 | psmouse_reset(psmouse); | |
798 | error = synaptics_detect(psmouse, 0); | |
799 | } while (error && ++retry < 3); | |
4d368456 | 800 | |
c63fe0a4 | 801 | if (error) |
1da177e4 LT |
802 | return -1; |
803 | ||
c63fe0a4 APF |
804 | if (retry > 1) |
805 | printk(KERN_DEBUG "Synaptics reconnected after %d tries\n", | |
806 | retry); | |
807 | ||
1da177e4 LT |
808 | if (synaptics_query_hardware(psmouse)) { |
809 | printk(KERN_ERR "Unable to query Synaptics hardware.\n"); | |
810 | return -1; | |
811 | } | |
812 | ||
1da177e4 LT |
813 | if (synaptics_set_absolute_mode(psmouse)) { |
814 | printk(KERN_ERR "Unable to initialize Synaptics hardware.\n"); | |
815 | return -1; | |
816 | } | |
817 | ||
fec6e525 HR |
818 | if (synaptics_set_advanced_gesture_mode(psmouse)) { |
819 | printk(KERN_ERR "Advanced gesture mode reconnect failed.\n"); | |
820 | return -1; | |
821 | } | |
822 | ||
baddf589 APF |
823 | if (old_priv.identity != priv->identity || |
824 | old_priv.model_id != priv->model_id || | |
825 | old_priv.capabilities != priv->capabilities || | |
826 | old_priv.ext_cap != priv->ext_cap) { | |
827 | printk(KERN_ERR "Synaptics hardware appears to be different: " | |
828 | "id(%ld-%ld), model(%ld-%ld), caps(%lx-%lx), ext(%lx-%lx).\n", | |
829 | old_priv.identity, priv->identity, | |
830 | old_priv.model_id, priv->model_id, | |
831 | old_priv.capabilities, priv->capabilities, | |
832 | old_priv.ext_cap, priv->ext_cap); | |
833 | return -1; | |
834 | } | |
835 | ||
1da177e4 LT |
836 | return 0; |
837 | } | |
838 | ||
7705d548 DT |
839 | static bool impaired_toshiba_kbc; |
840 | ||
841 | static const struct dmi_system_id __initconst toshiba_dmi_table[] = { | |
842 | #if defined(CONFIG_DMI) && defined(CONFIG_X86) | |
1da177e4 | 843 | { |
9961e259 | 844 | /* Toshiba Satellite */ |
1da177e4 LT |
845 | .matches = { |
846 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
53a2670c | 847 | DMI_MATCH(DMI_PRODUCT_NAME, "Satellite"), |
1da177e4 LT |
848 | }, |
849 | }, | |
9ba5eaaf | 850 | { |
9961e259 | 851 | /* Toshiba Dynabook */ |
9ba5eaaf SH |
852 | .matches = { |
853 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
53a2670c RT |
854 | DMI_MATCH(DMI_PRODUCT_NAME, "dynabook"), |
855 | }, | |
856 | }, | |
857 | { | |
9961e259 | 858 | /* Toshiba Portege M300 */ |
53a2670c RT |
859 | .matches = { |
860 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
861 | DMI_MATCH(DMI_PRODUCT_NAME, "PORTEGE M300"), | |
9ba5eaaf | 862 | }, |
5f5eeff4 DT |
863 | |
864 | }, | |
865 | { | |
9961e259 | 866 | /* Toshiba Portege M300 */ |
5f5eeff4 DT |
867 | .matches = { |
868 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
869 | DMI_MATCH(DMI_PRODUCT_NAME, "Portable PC"), | |
870 | DMI_MATCH(DMI_PRODUCT_VERSION, "Version 1.0"), | |
871 | }, | |
872 | ||
9ba5eaaf | 873 | }, |
1da177e4 | 874 | #endif |
70874867 | 875 | { } |
7705d548 DT |
876 | }; |
877 | ||
ef8313bb AS |
878 | static bool broken_olpc_ec; |
879 | ||
880 | static const struct dmi_system_id __initconst olpc_dmi_table[] = { | |
881 | #if defined(CONFIG_DMI) && defined(CONFIG_OLPC) | |
882 | { | |
883 | /* OLPC XO-1 or XO-1.5 */ | |
884 | .matches = { | |
885 | DMI_MATCH(DMI_SYS_VENDOR, "OLPC"), | |
886 | DMI_MATCH(DMI_PRODUCT_NAME, "XO"), | |
887 | }, | |
888 | }, | |
ef8313bb | 889 | #endif |
70874867 | 890 | { } |
ef8313bb AS |
891 | }; |
892 | ||
7705d548 DT |
893 | void __init synaptics_module_init(void) |
894 | { | |
895 | impaired_toshiba_kbc = dmi_check_system(toshiba_dmi_table); | |
ef8313bb | 896 | broken_olpc_ec = dmi_check_system(olpc_dmi_table); |
7705d548 | 897 | } |
1da177e4 LT |
898 | |
899 | int synaptics_init(struct psmouse *psmouse) | |
900 | { | |
901 | struct synaptics_data *priv; | |
902 | ||
ef8313bb AS |
903 | /* |
904 | * The OLPC XO has issues with Synaptics' absolute mode; similarly to | |
905 | * the HGPK, it quickly degrades and the hardware becomes jumpy and | |
906 | * overly sensitive. Not only that, but the constant packet spew | |
907 | * (even at a lowered 40pps rate) overloads the EC such that key | |
908 | * presses on the keyboard are missed. Given all of that, don't | |
909 | * even attempt to use Synaptics mode. Relative mode seems to work | |
910 | * just fine. | |
911 | */ | |
912 | if (broken_olpc_ec) { | |
913 | printk(KERN_INFO "synaptics: OLPC XO detected, not enabling Synaptics protocol.\n"); | |
914 | return -ENODEV; | |
915 | } | |
916 | ||
b39787a9 | 917 | psmouse->private = priv = kzalloc(sizeof(struct synaptics_data), GFP_KERNEL); |
1da177e4 | 918 | if (!priv) |
6792cbbb | 919 | return -ENOMEM; |
1da177e4 | 920 | |
4d368456 AW |
921 | psmouse_reset(psmouse); |
922 | ||
1da177e4 LT |
923 | if (synaptics_query_hardware(psmouse)) { |
924 | printk(KERN_ERR "Unable to query Synaptics hardware.\n"); | |
925 | goto init_fail; | |
926 | } | |
927 | ||
928 | if (synaptics_set_absolute_mode(psmouse)) { | |
929 | printk(KERN_ERR "Unable to initialize Synaptics hardware.\n"); | |
930 | goto init_fail; | |
931 | } | |
932 | ||
fec6e525 HR |
933 | if (synaptics_set_advanced_gesture_mode(psmouse)) { |
934 | printk(KERN_ERR "Advanced gesture mode init failed.\n"); | |
935 | goto init_fail; | |
936 | } | |
937 | ||
1da177e4 LT |
938 | priv->pkt_type = SYN_MODEL_NEWABS(priv->model_id) ? SYN_NEWABS : SYN_OLDABS; |
939 | ||
5f57d67d | 940 | printk(KERN_INFO "Synaptics Touchpad, model: %ld, fw: %ld.%ld, id: %#lx, caps: %#lx/%#lx/%#lx\n", |
409b7506 DT |
941 | SYN_ID_MODEL(priv->identity), |
942 | SYN_ID_MAJOR(priv->identity), SYN_ID_MINOR(priv->identity), | |
5f57d67d | 943 | priv->model_id, priv->capabilities, priv->ext_cap, priv->ext_cap_0c); |
409b7506 | 944 | |
2e5b636b | 945 | set_input_params(psmouse->dev, priv); |
1da177e4 | 946 | |
887cc127 DT |
947 | /* |
948 | * Encode touchpad model so that it can be used to set | |
949 | * input device->id.version and be visible to userspace. | |
950 | * Because version is __u16 we have to drop something. | |
951 | * Hardware info bits seem to be good candidates as they | |
952 | * are documented to be for Synaptics corp. internal use. | |
953 | */ | |
954 | psmouse->model = ((priv->model_id & 0x00ff0000) >> 8) | | |
955 | (priv->model_id & 0x000000ff); | |
956 | ||
1da177e4 LT |
957 | psmouse->protocol_handler = synaptics_process_byte; |
958 | psmouse->set_rate = synaptics_set_rate; | |
959 | psmouse->disconnect = synaptics_disconnect; | |
960 | psmouse->reconnect = synaptics_reconnect; | |
a1cec061 | 961 | psmouse->cleanup = synaptics_reset; |
1da177e4 | 962 | psmouse->pktsize = 6; |
f0d5c6f4 DT |
963 | /* Synaptics can usually stay in sync without extra help */ |
964 | psmouse->resync_time = 0; | |
1da177e4 LT |
965 | |
966 | if (SYN_CAP_PASS_THROUGH(priv->capabilities)) | |
967 | synaptics_pt_create(psmouse); | |
968 | ||
1da177e4 LT |
969 | /* |
970 | * Toshiba's KBC seems to have trouble handling data from | |
7ee99161 AS |
971 | * Synaptics at full rate. Switch to a lower rate (roughly |
972 | * the same rate as a standard PS/2 mouse). | |
1da177e4 | 973 | */ |
7705d548 | 974 | if (psmouse->rate >= 80 && impaired_toshiba_kbc) { |
9ba5eaaf SH |
975 | printk(KERN_INFO "synaptics: Toshiba %s detected, limiting rate to 40pps.\n", |
976 | dmi_get_system_info(DMI_PRODUCT_NAME)); | |
1da177e4 LT |
977 | psmouse->rate = 40; |
978 | } | |
1da177e4 LT |
979 | |
980 | return 0; | |
981 | ||
982 | init_fail: | |
983 | kfree(priv); | |
984 | return -1; | |
985 | } | |
986 | ||
e4e6efd2 DD |
987 | bool synaptics_supported(void) |
988 | { | |
989 | return true; | |
990 | } | |
991 | ||
55e3d922 AS |
992 | #else /* CONFIG_MOUSE_PS2_SYNAPTICS */ |
993 | ||
7705d548 DT |
994 | void __init synaptics_module_init(void) |
995 | { | |
996 | } | |
997 | ||
55e3d922 AS |
998 | int synaptics_init(struct psmouse *psmouse) |
999 | { | |
1000 | return -ENOSYS; | |
1001 | } | |
1002 | ||
e4e6efd2 DD |
1003 | bool synaptics_supported(void) |
1004 | { | |
1005 | return false; | |
1006 | } | |
1007 | ||
55e3d922 | 1008 | #endif /* CONFIG_MOUSE_PS2_SYNAPTICS */ |