Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Logitech PS/2++ mouse driver | |
3 | * | |
4 | * Copyright (c) 1999-2003 Vojtech Pavlik <vojtech@suse.cz> | |
5 | * Copyright (c) 2003 Eric Wong <eric@yhbt.net> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License version 2 as published by | |
9 | * the Free Software Foundation. | |
10 | */ | |
11 | ||
12 | #include <linux/input.h> | |
13 | #include <linux/serio.h> | |
14 | #include <linux/libps2.h> | |
15 | #include "psmouse.h" | |
16 | #include "logips2pp.h" | |
17 | ||
18 | /* Logitech mouse types */ | |
19 | #define PS2PP_KIND_WHEEL 1 | |
20 | #define PS2PP_KIND_MX 2 | |
21 | #define PS2PP_KIND_TP3 3 | |
4f8b05ef | 22 | #define PS2PP_KIND_TRACKMAN 4 |
1da177e4 LT |
23 | |
24 | /* Logitech mouse features */ | |
25 | #define PS2PP_WHEEL 0x01 | |
26 | #define PS2PP_HWHEEL 0x02 | |
27 | #define PS2PP_SIDE_BTN 0x04 | |
28 | #define PS2PP_EXTRA_BTN 0x08 | |
29 | #define PS2PP_TASK_BTN 0x10 | |
30 | #define PS2PP_NAV_BTN 0x20 | |
31 | ||
32 | struct ps2pp_info { | |
e3882bb5 HD |
33 | u8 model; |
34 | u8 kind; | |
35 | u16 features; | |
1da177e4 LT |
36 | }; |
37 | ||
38 | /* | |
39 | * Process a PS2++ or PS2T++ packet. | |
40 | */ | |
41 | ||
7d12e780 | 42 | static psmouse_ret_t ps2pp_process_byte(struct psmouse *psmouse) |
1da177e4 | 43 | { |
2e5b636b | 44 | struct input_dev *dev = psmouse->dev; |
1da177e4 LT |
45 | unsigned char *packet = psmouse->packet; |
46 | ||
47 | if (psmouse->pktcnt < 3) | |
48 | return PSMOUSE_GOOD_DATA; | |
49 | ||
50 | /* | |
51 | * Full packet accumulated, process it | |
52 | */ | |
53 | ||
1da177e4 LT |
54 | if ((packet[0] & 0x48) == 0x48 && (packet[1] & 0x02) == 0x02) { |
55 | ||
56 | /* Logitech extended packet */ | |
57 | switch ((packet[1] >> 4) | (packet[0] & 0x30)) { | |
58 | ||
59 | case 0x0d: /* Mouse extra info */ | |
60 | ||
61 | input_report_rel(dev, packet[2] & 0x80 ? REL_HWHEEL : REL_WHEEL, | |
62 | (int) (packet[2] & 8) - (int) (packet[2] & 7)); | |
63 | input_report_key(dev, BTN_SIDE, (packet[2] >> 4) & 1); | |
64 | input_report_key(dev, BTN_EXTRA, (packet[2] >> 5) & 1); | |
65 | ||
66 | break; | |
67 | ||
68 | case 0x0e: /* buttons 4, 5, 6, 7, 8, 9, 10 info */ | |
69 | ||
70 | input_report_key(dev, BTN_SIDE, (packet[2]) & 1); | |
71 | input_report_key(dev, BTN_EXTRA, (packet[2] >> 1) & 1); | |
72 | input_report_key(dev, BTN_BACK, (packet[2] >> 3) & 1); | |
73 | input_report_key(dev, BTN_FORWARD, (packet[2] >> 4) & 1); | |
74 | input_report_key(dev, BTN_TASK, (packet[2] >> 2) & 1); | |
75 | ||
76 | break; | |
77 | ||
78 | case 0x0f: /* TouchPad extra info */ | |
79 | ||
80 | input_report_rel(dev, packet[2] & 0x08 ? REL_HWHEEL : REL_WHEEL, | |
81 | (int) ((packet[2] >> 4) & 8) - (int) ((packet[2] >> 4) & 7)); | |
82 | packet[0] = packet[2] | 0x08; | |
83 | break; | |
84 | ||
85 | #ifdef DEBUG | |
86 | default: | |
87 | printk(KERN_WARNING "psmouse.c: Received PS2++ packet #%x, but don't know how to handle.\n", | |
88 | (packet[1] >> 4) | (packet[0] & 0x30)); | |
89 | #endif | |
90 | } | |
91 | } else { | |
92 | /* Standard PS/2 motion data */ | |
93 | input_report_rel(dev, REL_X, packet[1] ? (int) packet[1] - (int) ((packet[0] << 4) & 0x100) : 0); | |
94 | input_report_rel(dev, REL_Y, packet[2] ? (int) ((packet[0] << 3) & 0x100) - (int) packet[2] : 0); | |
95 | } | |
96 | ||
97 | input_report_key(dev, BTN_LEFT, packet[0] & 1); | |
98 | input_report_key(dev, BTN_MIDDLE, (packet[0] >> 2) & 1); | |
99 | input_report_key(dev, BTN_RIGHT, (packet[0] >> 1) & 1); | |
100 | ||
101 | input_sync(dev); | |
102 | ||
103 | return PSMOUSE_FULL_PACKET; | |
104 | ||
105 | } | |
106 | ||
107 | /* | |
108 | * ps2pp_cmd() sends a PS2++ command, sliced into two bit | |
109 | * pieces through the SETRES command. This is needed to send extended | |
110 | * commands to mice on notebooks that try to understand the PS/2 protocol | |
111 | * Ugly. | |
112 | */ | |
113 | ||
114 | static int ps2pp_cmd(struct psmouse *psmouse, unsigned char *param, unsigned char command) | |
115 | { | |
116 | if (psmouse_sliced_command(psmouse, command)) | |
117 | return -1; | |
118 | ||
f0d5c6f4 | 119 | if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_POLL | 0x0300)) |
1da177e4 LT |
120 | return -1; |
121 | ||
122 | return 0; | |
123 | } | |
124 | ||
125 | /* | |
126 | * SmartScroll / CruiseControl for some newer Logitech mice Defaults to | |
127 | * enabled if we do nothing to it. Of course I put this in because I want it | |
128 | * disabled :P | |
129 | * 1 - enabled (if previously disabled, also default) | |
130 | * 0 - disabled | |
131 | */ | |
132 | ||
133 | static void ps2pp_set_smartscroll(struct psmouse *psmouse, unsigned int smartscroll) | |
134 | { | |
135 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
136 | unsigned char param[4]; | |
137 | ||
138 | if (smartscroll > 1) | |
139 | smartscroll = 1; | |
140 | ||
141 | ps2pp_cmd(psmouse, param, 0x32); | |
142 | ||
143 | param[0] = 0; | |
144 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); | |
145 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); | |
146 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); | |
147 | ||
148 | param[0] = smartscroll; | |
149 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); | |
150 | } | |
151 | ||
cfe9e888 | 152 | static ssize_t ps2pp_attr_show_smartscroll(struct psmouse *psmouse, void *data, char *buf) |
1da177e4 LT |
153 | { |
154 | return sprintf(buf, "%d\n", psmouse->smartscroll ? 1 : 0); | |
155 | } | |
156 | ||
cfe9e888 | 157 | static ssize_t ps2pp_attr_set_smartscroll(struct psmouse *psmouse, void *data, const char *buf, size_t count) |
1da177e4 LT |
158 | { |
159 | unsigned long value; | |
160 | char *rest; | |
161 | ||
162 | value = simple_strtoul(buf, &rest, 10); | |
163 | if (*rest || value > 1) | |
164 | return -EINVAL; | |
165 | ||
166 | ps2pp_set_smartscroll(psmouse, value); | |
167 | psmouse->smartscroll = value; | |
168 | return count; | |
169 | } | |
170 | ||
cfe9e888 DT |
171 | PSMOUSE_DEFINE_ATTR(smartscroll, S_IWUSR | S_IRUGO, NULL, |
172 | ps2pp_attr_show_smartscroll, ps2pp_attr_set_smartscroll); | |
1da177e4 LT |
173 | |
174 | /* | |
175 | * Support 800 dpi resolution _only_ if the user wants it (there are good | |
176 | * reasons to not use it even if the mouse supports it, and of course there are | |
177 | * also good reasons to use it, let the user decide). | |
178 | */ | |
179 | ||
180 | static void ps2pp_set_resolution(struct psmouse *psmouse, unsigned int resolution) | |
181 | { | |
182 | if (resolution > 400) { | |
183 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
184 | unsigned char param = 3; | |
185 | ||
186 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11); | |
187 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11); | |
188 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11); | |
189 | ps2_command(ps2dev, ¶m, PSMOUSE_CMD_SETRES); | |
190 | psmouse->resolution = 800; | |
191 | } else | |
192 | psmouse_set_resolution(psmouse, resolution); | |
193 | } | |
194 | ||
195 | static void ps2pp_disconnect(struct psmouse *psmouse) | |
196 | { | |
cfe9e888 | 197 | device_remove_file(&psmouse->ps2dev.serio->dev, &psmouse_attr_smartscroll.dattr); |
1da177e4 LT |
198 | } |
199 | ||
e3882bb5 | 200 | static const struct ps2pp_info *get_model_info(unsigned char model) |
1da177e4 | 201 | { |
e3882bb5 | 202 | static const struct ps2pp_info ps2pp_list[] = { |
1da177e4 LT |
203 | { 12, 0, PS2PP_SIDE_BTN}, |
204 | { 13, 0, 0 }, | |
205 | { 15, PS2PP_KIND_MX, /* MX1000 */ | |
206 | PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN | | |
207 | PS2PP_EXTRA_BTN | PS2PP_NAV_BTN | PS2PP_HWHEEL }, | |
208 | { 40, 0, PS2PP_SIDE_BTN }, | |
209 | { 41, 0, PS2PP_SIDE_BTN }, | |
210 | { 42, 0, PS2PP_SIDE_BTN }, | |
211 | { 43, 0, PS2PP_SIDE_BTN }, | |
212 | { 50, 0, 0 }, | |
213 | { 51, 0, 0 }, | |
214 | { 52, PS2PP_KIND_WHEEL, PS2PP_SIDE_BTN | PS2PP_WHEEL }, | |
215 | { 53, PS2PP_KIND_WHEEL, PS2PP_WHEEL }, | |
e3882bb5 | 216 | { 56, PS2PP_KIND_WHEEL, PS2PP_SIDE_BTN | PS2PP_WHEEL }, /* Cordless MouseMan Wheel */ |
1da177e4 LT |
217 | { 61, PS2PP_KIND_MX, /* MX700 */ |
218 | PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN | | |
219 | PS2PP_EXTRA_BTN | PS2PP_NAV_BTN }, | |
14a48b44 MM |
220 | { 66, PS2PP_KIND_MX, /* MX3100 reciver */ |
221 | PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN | | |
222 | PS2PP_EXTRA_BTN | PS2PP_NAV_BTN | PS2PP_HWHEEL }, | |
1da177e4 LT |
223 | { 73, 0, PS2PP_SIDE_BTN }, |
224 | { 75, PS2PP_KIND_WHEEL, PS2PP_WHEEL }, | |
225 | { 76, PS2PP_KIND_WHEEL, PS2PP_WHEEL }, | |
4f8b05ef | 226 | { 79, PS2PP_KIND_TRACKMAN, PS2PP_WHEEL }, /* TrackMan with wheel */ |
1da177e4 LT |
227 | { 80, PS2PP_KIND_WHEEL, PS2PP_SIDE_BTN | PS2PP_WHEEL }, |
228 | { 81, PS2PP_KIND_WHEEL, PS2PP_WHEEL }, | |
229 | { 83, PS2PP_KIND_WHEEL, PS2PP_WHEEL }, | |
58057b9e | 230 | { 85, PS2PP_KIND_WHEEL, PS2PP_WHEEL }, |
d2b5ffca | 231 | { 86, PS2PP_KIND_WHEEL, PS2PP_WHEEL }, |
8ea3694f | 232 | { 87, PS2PP_KIND_WHEEL, PS2PP_WHEEL }, |
1da177e4 LT |
233 | { 88, PS2PP_KIND_WHEEL, PS2PP_WHEEL }, |
234 | { 96, 0, 0 }, | |
235 | { 97, PS2PP_KIND_TP3, PS2PP_WHEEL | PS2PP_HWHEEL }, | |
50f6dde0 | 236 | { 99, PS2PP_KIND_WHEEL, PS2PP_WHEEL }, |
1da177e4 LT |
237 | { 100, PS2PP_KIND_MX, /* MX510 */ |
238 | PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN | | |
239 | PS2PP_EXTRA_BTN | PS2PP_NAV_BTN }, | |
0c19fcd8 | 240 | { 111, PS2PP_KIND_MX, PS2PP_WHEEL | PS2PP_SIDE_BTN }, /* MX300 reports task button as side */ |
1da177e4 LT |
241 | { 112, PS2PP_KIND_MX, /* MX500 */ |
242 | PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN | | |
243 | PS2PP_EXTRA_BTN | PS2PP_NAV_BTN }, | |
244 | { 114, PS2PP_KIND_MX, /* MX310 */ | |
245 | PS2PP_WHEEL | PS2PP_SIDE_BTN | | |
e3882bb5 | 246 | PS2PP_TASK_BTN | PS2PP_EXTRA_BTN } |
1da177e4 LT |
247 | }; |
248 | int i; | |
249 | ||
e3882bb5 | 250 | for (i = 0; i < ARRAY_SIZE(ps2pp_list); i++) |
1da177e4 LT |
251 | if (model == ps2pp_list[i].model) |
252 | return &ps2pp_list[i]; | |
253 | ||
254 | printk(KERN_WARNING "logips2pp: Detected unknown logitech mouse model %d\n", model); | |
255 | return NULL; | |
256 | } | |
257 | ||
258 | /* | |
259 | * Set up input device's properties based on the detected mouse model. | |
260 | */ | |
261 | ||
e3882bb5 HD |
262 | static void ps2pp_set_model_properties(struct psmouse *psmouse, |
263 | const struct ps2pp_info *model_info, | |
1da177e4 LT |
264 | int using_ps2pp) |
265 | { | |
2e5b636b DT |
266 | struct input_dev *input_dev = psmouse->dev; |
267 | ||
1da177e4 | 268 | if (model_info->features & PS2PP_SIDE_BTN) |
2e5b636b | 269 | set_bit(BTN_SIDE, input_dev->keybit); |
1da177e4 LT |
270 | |
271 | if (model_info->features & PS2PP_EXTRA_BTN) | |
2e5b636b | 272 | set_bit(BTN_EXTRA, input_dev->keybit); |
1da177e4 LT |
273 | |
274 | if (model_info->features & PS2PP_TASK_BTN) | |
2e5b636b | 275 | set_bit(BTN_TASK, input_dev->keybit); |
1da177e4 LT |
276 | |
277 | if (model_info->features & PS2PP_NAV_BTN) { | |
2e5b636b DT |
278 | set_bit(BTN_FORWARD, input_dev->keybit); |
279 | set_bit(BTN_BACK, input_dev->keybit); | |
1da177e4 LT |
280 | } |
281 | ||
282 | if (model_info->features & PS2PP_WHEEL) | |
2e5b636b | 283 | set_bit(REL_WHEEL, input_dev->relbit); |
1da177e4 LT |
284 | |
285 | if (model_info->features & PS2PP_HWHEEL) | |
2e5b636b | 286 | set_bit(REL_HWHEEL, input_dev->relbit); |
1da177e4 LT |
287 | |
288 | switch (model_info->kind) { | |
289 | case PS2PP_KIND_WHEEL: | |
290 | psmouse->name = "Wheel Mouse"; | |
291 | break; | |
292 | ||
293 | case PS2PP_KIND_MX: | |
294 | psmouse->name = "MX Mouse"; | |
295 | break; | |
296 | ||
297 | case PS2PP_KIND_TP3: | |
298 | psmouse->name = "TouchPad 3"; | |
299 | break; | |
300 | ||
4f8b05ef ZL |
301 | case PS2PP_KIND_TRACKMAN: |
302 | psmouse->name = "TrackMan"; | |
303 | break; | |
304 | ||
1da177e4 LT |
305 | default: |
306 | /* | |
307 | * Set name to "Mouse" only when using PS2++, | |
308 | * otherwise let other protocols define suitable | |
309 | * name | |
310 | */ | |
311 | if (using_ps2pp) | |
312 | psmouse->name = "Mouse"; | |
313 | break; | |
314 | } | |
315 | } | |
316 | ||
317 | ||
318 | /* | |
319 | * Logitech magic init. Detect whether the mouse is a Logitech one | |
320 | * and its exact model and try turning on extended protocol for ones | |
321 | * that support it. | |
322 | */ | |
323 | ||
324 | int ps2pp_init(struct psmouse *psmouse, int set_properties) | |
325 | { | |
326 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
327 | unsigned char param[4]; | |
328 | unsigned char model, buttons; | |
e3882bb5 | 329 | const struct ps2pp_info *model_info; |
1da177e4 | 330 | int use_ps2pp = 0; |
0fea0e9a | 331 | int error; |
1da177e4 LT |
332 | |
333 | param[0] = 0; | |
334 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); | |
335 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11); | |
336 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11); | |
337 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11); | |
338 | param[1] = 0; | |
339 | ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO); | |
340 | ||
341 | if (!param[1]) | |
342 | return -1; | |
343 | ||
344 | model = ((param[0] >> 4) & 0x07) | ((param[0] << 3) & 0x78); | |
345 | buttons = param[1]; | |
346 | ||
347 | if ((model_info = get_model_info(model)) != NULL) { | |
348 | ||
349 | /* | |
350 | * Do Logitech PS2++ / PS2T++ magic init. | |
351 | */ | |
e3882bb5 | 352 | if (model_info->kind == PS2PP_KIND_TP3) { /* Touch Pad 3 */ |
1da177e4 LT |
353 | |
354 | /* Unprotect RAM */ | |
355 | param[0] = 0x11; param[1] = 0x04; param[2] = 0x68; | |
356 | ps2_command(ps2dev, param, 0x30d1); | |
357 | /* Enable features */ | |
358 | param[0] = 0x11; param[1] = 0x05; param[2] = 0x0b; | |
359 | ps2_command(ps2dev, param, 0x30d1); | |
360 | /* Enable PS2++ */ | |
361 | param[0] = 0x11; param[1] = 0x09; param[2] = 0xc3; | |
362 | ps2_command(ps2dev, param, 0x30d1); | |
363 | ||
364 | param[0] = 0; | |
365 | if (!ps2_command(ps2dev, param, 0x13d1) && | |
366 | param[0] == 0x06 && param[1] == 0x00 && param[2] == 0x14) { | |
367 | use_ps2pp = 1; | |
368 | } | |
369 | ||
370 | } else { | |
371 | ||
372 | param[0] = param[1] = param[2] = 0; | |
373 | ps2pp_cmd(psmouse, param, 0x39); /* Magic knock */ | |
374 | ps2pp_cmd(psmouse, param, 0xDB); | |
375 | ||
376 | if ((param[0] & 0x78) == 0x48 && | |
377 | (param[1] & 0xf3) == 0xc2 && | |
378 | (param[2] & 0x03) == ((param[1] >> 2) & 3)) { | |
379 | ps2pp_set_smartscroll(psmouse, psmouse->smartscroll); | |
380 | use_ps2pp = 1; | |
381 | } | |
382 | } | |
383 | } | |
384 | ||
385 | if (set_properties) { | |
386 | psmouse->vendor = "Logitech"; | |
387 | psmouse->model = model; | |
388 | ||
389 | if (use_ps2pp) { | |
390 | psmouse->protocol_handler = ps2pp_process_byte; | |
391 | psmouse->pktsize = 3; | |
392 | ||
393 | if (model_info->kind != PS2PP_KIND_TP3) { | |
394 | psmouse->set_resolution = ps2pp_set_resolution; | |
395 | psmouse->disconnect = ps2pp_disconnect; | |
396 | ||
0fea0e9a JG |
397 | error = device_create_file(&psmouse->ps2dev.serio->dev, |
398 | &psmouse_attr_smartscroll.dattr); | |
399 | if (error) { | |
400 | printk(KERN_ERR | |
401 | "logips2pp.c: failed to create smartscroll " | |
402 | "sysfs attribute, error: %d\n", error); | |
403 | return -1; | |
404 | } | |
1da177e4 LT |
405 | } |
406 | } | |
407 | ||
408 | if (buttons < 3) | |
2e5b636b | 409 | clear_bit(BTN_MIDDLE, psmouse->dev->keybit); |
1da177e4 LT |
410 | |
411 | if (model_info) | |
412 | ps2pp_set_model_properties(psmouse, model_info, use_ps2pp); | |
413 | } | |
414 | ||
415 | return use_ps2pp ? 0 : -1; | |
416 | } | |
417 |