Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * ALPS touchpad PS/2 mouse driver | |
3 | * | |
4 | * Copyright (c) 2003 Neil Brown <neilb@cse.unsw.edu.au> | |
963f626d | 5 | * Copyright (c) 2003-2005 Peter Osterlund <petero2@telia.com> |
1da177e4 LT |
6 | * Copyright (c) 2004 Dmitry Torokhov <dtor@mail.ru> |
7 | * Copyright (c) 2005 Vojtech Pavlik <vojtech@suse.cz> | |
1d9f2626 | 8 | * Copyright (c) 2009 Sebastian Kapfer <sebastian_kapfer@gmx.net> |
1da177e4 LT |
9 | * |
10 | * ALPS detection, tap switching and status querying info is taken from | |
11 | * tpconfig utility (by C. Scott Ananian and Bruce Kall). | |
12 | * | |
13 | * This program is free software; you can redistribute it and/or modify it | |
14 | * under the terms of the GNU General Public License version 2 as published by | |
15 | * the Free Software Foundation. | |
16 | */ | |
17 | ||
5a0e3ad6 | 18 | #include <linux/slab.h> |
1da177e4 | 19 | #include <linux/input.h> |
01ce661f | 20 | #include <linux/input/mt.h> |
1da177e4 LT |
21 | #include <linux/serio.h> |
22 | #include <linux/libps2.h> | |
23 | ||
24 | #include "psmouse.h" | |
25 | #include "alps.h" | |
26 | ||
25bded7c SF |
27 | /* |
28 | * Definitions for ALPS version 3 and 4 command mode protocol | |
29 | */ | |
30 | #define ALPS_CMD_NIBBLE_10 0x01f2 | |
31 | ||
cd401204 KC |
32 | #define ALPS_REG_BASE_RUSHMORE 0xc2c0 |
33 | #define ALPS_REG_BASE_PINNACLE 0x0000 | |
34 | ||
25bded7c SF |
35 | static const struct alps_nibble_commands alps_v3_nibble_commands[] = { |
36 | { PSMOUSE_CMD_SETPOLL, 0x00 }, /* 0 */ | |
37 | { PSMOUSE_CMD_RESET_DIS, 0x00 }, /* 1 */ | |
38 | { PSMOUSE_CMD_SETSCALE21, 0x00 }, /* 2 */ | |
39 | { PSMOUSE_CMD_SETRATE, 0x0a }, /* 3 */ | |
40 | { PSMOUSE_CMD_SETRATE, 0x14 }, /* 4 */ | |
41 | { PSMOUSE_CMD_SETRATE, 0x28 }, /* 5 */ | |
42 | { PSMOUSE_CMD_SETRATE, 0x3c }, /* 6 */ | |
43 | { PSMOUSE_CMD_SETRATE, 0x50 }, /* 7 */ | |
44 | { PSMOUSE_CMD_SETRATE, 0x64 }, /* 8 */ | |
45 | { PSMOUSE_CMD_SETRATE, 0xc8 }, /* 9 */ | |
46 | { ALPS_CMD_NIBBLE_10, 0x00 }, /* a */ | |
47 | { PSMOUSE_CMD_SETRES, 0x00 }, /* b */ | |
48 | { PSMOUSE_CMD_SETRES, 0x01 }, /* c */ | |
49 | { PSMOUSE_CMD_SETRES, 0x02 }, /* d */ | |
50 | { PSMOUSE_CMD_SETRES, 0x03 }, /* e */ | |
51 | { PSMOUSE_CMD_SETSCALE11, 0x00 }, /* f */ | |
52 | }; | |
53 | ||
54 | static const struct alps_nibble_commands alps_v4_nibble_commands[] = { | |
55 | { PSMOUSE_CMD_ENABLE, 0x00 }, /* 0 */ | |
56 | { PSMOUSE_CMD_RESET_DIS, 0x00 }, /* 1 */ | |
57 | { PSMOUSE_CMD_SETSCALE21, 0x00 }, /* 2 */ | |
58 | { PSMOUSE_CMD_SETRATE, 0x0a }, /* 3 */ | |
59 | { PSMOUSE_CMD_SETRATE, 0x14 }, /* 4 */ | |
60 | { PSMOUSE_CMD_SETRATE, 0x28 }, /* 5 */ | |
61 | { PSMOUSE_CMD_SETRATE, 0x3c }, /* 6 */ | |
62 | { PSMOUSE_CMD_SETRATE, 0x50 }, /* 7 */ | |
63 | { PSMOUSE_CMD_SETRATE, 0x64 }, /* 8 */ | |
64 | { PSMOUSE_CMD_SETRATE, 0xc8 }, /* 9 */ | |
65 | { ALPS_CMD_NIBBLE_10, 0x00 }, /* a */ | |
66 | { PSMOUSE_CMD_SETRES, 0x00 }, /* b */ | |
67 | { PSMOUSE_CMD_SETRES, 0x01 }, /* c */ | |
68 | { PSMOUSE_CMD_SETRES, 0x02 }, /* d */ | |
69 | { PSMOUSE_CMD_SETRES, 0x03 }, /* e */ | |
70 | { PSMOUSE_CMD_SETSCALE11, 0x00 }, /* f */ | |
71 | }; | |
72 | ||
95f75e91 YT |
73 | static const struct alps_nibble_commands alps_v6_nibble_commands[] = { |
74 | { PSMOUSE_CMD_ENABLE, 0x00 }, /* 0 */ | |
75 | { PSMOUSE_CMD_SETRATE, 0x0a }, /* 1 */ | |
76 | { PSMOUSE_CMD_SETRATE, 0x14 }, /* 2 */ | |
77 | { PSMOUSE_CMD_SETRATE, 0x28 }, /* 3 */ | |
78 | { PSMOUSE_CMD_SETRATE, 0x3c }, /* 4 */ | |
79 | { PSMOUSE_CMD_SETRATE, 0x50 }, /* 5 */ | |
80 | { PSMOUSE_CMD_SETRATE, 0x64 }, /* 6 */ | |
81 | { PSMOUSE_CMD_SETRATE, 0xc8 }, /* 7 */ | |
82 | { PSMOUSE_CMD_GETID, 0x00 }, /* 8 */ | |
83 | { PSMOUSE_CMD_GETINFO, 0x00 }, /* 9 */ | |
84 | { PSMOUSE_CMD_SETRES, 0x00 }, /* a */ | |
85 | { PSMOUSE_CMD_SETRES, 0x01 }, /* b */ | |
86 | { PSMOUSE_CMD_SETRES, 0x02 }, /* c */ | |
87 | { PSMOUSE_CMD_SETRES, 0x03 }, /* d */ | |
88 | { PSMOUSE_CMD_SETSCALE21, 0x00 }, /* e */ | |
89 | { PSMOUSE_CMD_SETSCALE11, 0x00 }, /* f */ | |
90 | }; | |
91 | ||
25bded7c | 92 | |
71bb21b6 ML |
93 | #define ALPS_DUALPOINT 0x02 /* touchpad has trackstick */ |
94 | #define ALPS_PASS 0x04 /* device has a pass-through port */ | |
95 | ||
96 | #define ALPS_WHEEL 0x08 /* hardware wheel present */ | |
97 | #define ALPS_FW_BK_1 0x10 /* front & back buttons present */ | |
98 | #define ALPS_FW_BK_2 0x20 /* front & back buttons present */ | |
99 | #define ALPS_FOUR_BUTTONS 0x40 /* 4 direction button present */ | |
1d9f2626 SK |
100 | #define ALPS_PS2_INTERLEAVED 0x80 /* 3-byte PS/2 packet interleaved with |
101 | 6-byte ALPS packet */ | |
1da177e4 | 102 | |
e38de678 | 103 | static const struct alps_model_info alps_model_data[] = { |
25bded7c SF |
104 | { { 0x32, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* Toshiba Salellite Pro M10 */ |
105 | { { 0x33, 0x02, 0x0a }, 0x00, ALPS_PROTO_V1, 0x88, 0xf8, 0 }, /* UMAX-530T */ | |
106 | { { 0x53, 0x02, 0x0a }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, | |
107 | { { 0x53, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, | |
108 | { { 0x60, 0x03, 0xc8 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, /* HP ze1115 */ | |
109 | { { 0x63, 0x02, 0x0a }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, | |
110 | { { 0x63, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, | |
111 | { { 0x63, 0x02, 0x28 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Fujitsu Siemens S6010 */ | |
112 | { { 0x63, 0x02, 0x3c }, 0x00, ALPS_PROTO_V2, 0x8f, 0x8f, ALPS_WHEEL }, /* Toshiba Satellite S2400-103 */ | |
113 | { { 0x63, 0x02, 0x50 }, 0x00, ALPS_PROTO_V2, 0xef, 0xef, ALPS_FW_BK_1 }, /* NEC Versa L320 */ | |
114 | { { 0x63, 0x02, 0x64 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, | |
115 | { { 0x63, 0x03, 0xc8 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D800 */ | |
116 | { { 0x73, 0x00, 0x0a }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_DUALPOINT }, /* ThinkPad R61 8918-5QG */ | |
117 | { { 0x73, 0x02, 0x0a }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, | |
118 | { { 0x73, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Ahtec Laptop */ | |
119 | { { 0x20, 0x02, 0x0e }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* XXX */ | |
120 | { { 0x22, 0x02, 0x0a }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, | |
121 | { { 0x22, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D600 */ | |
1d9f2626 | 122 | /* Dell Latitude E5500, E6400, E6500, Precision M4400 */ |
25bded7c | 123 | { { 0x62, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xcf, 0xcf, |
1d9f2626 | 124 | ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED }, |
95f75e91 | 125 | { { 0x73, 0x00, 0x14 }, 0x00, ALPS_PROTO_V6, 0xff, 0xff, ALPS_DUALPOINT }, /* Dell XT2 */ |
25bded7c SF |
126 | { { 0x73, 0x02, 0x50 }, 0x00, ALPS_PROTO_V2, 0xcf, 0xcf, ALPS_FOUR_BUTTONS }, /* Dell Vostro 1400 */ |
127 | { { 0x52, 0x01, 0x14 }, 0x00, ALPS_PROTO_V2, 0xff, 0xff, | |
128 | ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED }, /* Toshiba Tecra A11-11L */ | |
25bded7c | 129 | { { 0x73, 0x02, 0x64 }, 0x8a, ALPS_PROTO_V4, 0x8f, 0x8f, 0 }, |
1da177e4 LT |
130 | }; |
131 | ||
24af5cb9 KC |
132 | static void alps_set_abs_params_st(struct alps_data *priv, |
133 | struct input_dev *dev1); | |
134 | static void alps_set_abs_params_mt(struct alps_data *priv, | |
135 | struct input_dev *dev1); | |
136 | ||
1da177e4 LT |
137 | /* |
138 | * XXX - this entry is suspicious. First byte has zero lower nibble, | |
139 | * which is what a normal mouse would report. Also, the value 0x0e | |
140 | * isn't valid per PS/2 spec. | |
141 | */ | |
142 | ||
d4b347b2 | 143 | /* Packet formats are described in Documentation/input/alps.txt */ |
1da177e4 | 144 | |
99df65e7 | 145 | static bool alps_is_valid_first_byte(struct alps_data *priv, |
1d9f2626 SK |
146 | unsigned char data) |
147 | { | |
99df65e7 | 148 | return (data & priv->mask0) == priv->byte0; |
1d9f2626 SK |
149 | } |
150 | ||
151 | static void alps_report_buttons(struct psmouse *psmouse, | |
152 | struct input_dev *dev1, struct input_dev *dev2, | |
153 | int left, int right, int middle) | |
154 | { | |
c91ed059 MB |
155 | struct input_dev *dev; |
156 | ||
157 | /* | |
158 | * If shared button has already been reported on the | |
159 | * other device (dev2) then this event should be also | |
160 | * sent through that device. | |
161 | */ | |
162 | dev = test_bit(BTN_LEFT, dev2->key) ? dev2 : dev1; | |
163 | input_report_key(dev, BTN_LEFT, left); | |
164 | ||
165 | dev = test_bit(BTN_RIGHT, dev2->key) ? dev2 : dev1; | |
166 | input_report_key(dev, BTN_RIGHT, right); | |
167 | ||
168 | dev = test_bit(BTN_MIDDLE, dev2->key) ? dev2 : dev1; | |
169 | input_report_key(dev, BTN_MIDDLE, middle); | |
170 | ||
171 | /* | |
172 | * Sync the _other_ device now, we'll do the first | |
173 | * device later once we report the rest of the events. | |
174 | */ | |
175 | input_sync(dev2); | |
1d9f2626 SK |
176 | } |
177 | ||
25bded7c | 178 | static void alps_process_packet_v1_v2(struct psmouse *psmouse) |
1da177e4 LT |
179 | { |
180 | struct alps_data *priv = psmouse->private; | |
181 | unsigned char *packet = psmouse->packet; | |
2e5b636b DT |
182 | struct input_dev *dev = psmouse->dev; |
183 | struct input_dev *dev2 = priv->dev2; | |
1da177e4 | 184 | int x, y, z, ges, fin, left, right, middle; |
c30b4c10 | 185 | int back = 0, forward = 0; |
1da177e4 | 186 | |
99df65e7 | 187 | if (priv->proto_version == ALPS_PROTO_V1) { |
d2f4012f YM |
188 | left = packet[2] & 0x10; |
189 | right = packet[2] & 0x08; | |
1da177e4 LT |
190 | middle = 0; |
191 | x = packet[1] | ((packet[0] & 0x07) << 7); | |
192 | y = packet[4] | ((packet[3] & 0x07) << 7); | |
193 | z = packet[5]; | |
194 | } else { | |
195 | left = packet[3] & 1; | |
196 | right = packet[3] & 2; | |
197 | middle = packet[3] & 4; | |
198 | x = packet[1] | ((packet[2] & 0x78) << (7 - 3)); | |
199 | y = packet[4] | ((packet[3] & 0x70) << (7 - 4)); | |
200 | z = packet[5]; | |
201 | } | |
202 | ||
99df65e7 | 203 | if (priv->flags & ALPS_FW_BK_1) { |
3c00bb96 LK |
204 | back = packet[0] & 0x10; |
205 | forward = packet[2] & 4; | |
c30b4c10 ICR |
206 | } |
207 | ||
99df65e7 | 208 | if (priv->flags & ALPS_FW_BK_2) { |
c30b4c10 ICR |
209 | back = packet[3] & 4; |
210 | forward = packet[2] & 4; | |
211 | if ((middle = forward && back)) | |
212 | forward = back = 0; | |
213 | } | |
214 | ||
1da177e4 LT |
215 | ges = packet[2] & 1; |
216 | fin = packet[2] & 2; | |
217 | ||
99df65e7 | 218 | if ((priv->flags & ALPS_DUALPOINT) && z == 127) { |
1da177e4 LT |
219 | input_report_rel(dev2, REL_X, (x > 383 ? (x - 768) : x)); |
220 | input_report_rel(dev2, REL_Y, -(y > 255 ? (y - 512) : y)); | |
d7ed5d88 | 221 | |
1d9f2626 | 222 | alps_report_buttons(psmouse, dev2, dev, left, right, middle); |
d7ed5d88 | 223 | |
1da177e4 LT |
224 | input_sync(dev2); |
225 | return; | |
226 | } | |
227 | ||
1d9f2626 | 228 | alps_report_buttons(psmouse, dev, dev2, left, right, middle); |
d7ed5d88 | 229 | |
1da177e4 | 230 | /* Convert hardware tap to a reasonable Z value */ |
71bb21b6 ML |
231 | if (ges && !fin) |
232 | z = 40; | |
1da177e4 LT |
233 | |
234 | /* | |
235 | * A "tap and drag" operation is reported by the hardware as a transition | |
236 | * from (!fin && ges) to (fin && ges). This should be translated to the | |
237 | * sequence Z>0, Z==0, Z>0, so the Z==0 event has to be generated manually. | |
238 | */ | |
239 | if (ges && fin && !priv->prev_fin) { | |
240 | input_report_abs(dev, ABS_X, x); | |
241 | input_report_abs(dev, ABS_Y, y); | |
242 | input_report_abs(dev, ABS_PRESSURE, 0); | |
243 | input_report_key(dev, BTN_TOOL_FINGER, 0); | |
244 | input_sync(dev); | |
245 | } | |
246 | priv->prev_fin = fin; | |
247 | ||
71bb21b6 ML |
248 | if (z > 30) |
249 | input_report_key(dev, BTN_TOUCH, 1); | |
250 | if (z < 25) | |
251 | input_report_key(dev, BTN_TOUCH, 0); | |
1da177e4 LT |
252 | |
253 | if (z > 0) { | |
254 | input_report_abs(dev, ABS_X, x); | |
255 | input_report_abs(dev, ABS_Y, y); | |
256 | } | |
257 | ||
258 | input_report_abs(dev, ABS_PRESSURE, z); | |
259 | input_report_key(dev, BTN_TOOL_FINGER, z > 0); | |
260 | ||
99df65e7 | 261 | if (priv->flags & ALPS_WHEEL) |
e6c047b9 | 262 | input_report_rel(dev, REL_WHEEL, ((packet[2] << 1) & 0x08) - ((packet[0] >> 4) & 0x07)); |
1da177e4 | 263 | |
99df65e7 | 264 | if (priv->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) { |
c30b4c10 ICR |
265 | input_report_key(dev, BTN_FORWARD, forward); |
266 | input_report_key(dev, BTN_BACK, back); | |
1da177e4 LT |
267 | } |
268 | ||
99df65e7 | 269 | if (priv->flags & ALPS_FOUR_BUTTONS) { |
71bb21b6 ML |
270 | input_report_key(dev, BTN_0, packet[2] & 4); |
271 | input_report_key(dev, BTN_1, packet[0] & 0x10); | |
272 | input_report_key(dev, BTN_2, packet[3] & 4); | |
273 | input_report_key(dev, BTN_3, packet[0] & 0x20); | |
274 | } | |
275 | ||
1da177e4 LT |
276 | input_sync(dev); |
277 | } | |
278 | ||
01ce661f SF |
279 | /* |
280 | * Process bitmap data from v3 and v4 protocols. Returns the number of | |
281 | * fingers detected. A return value of 0 means at least one of the | |
282 | * bitmaps was empty. | |
283 | * | |
284 | * The bitmaps don't have enough data to track fingers, so this function | |
285 | * only generates points representing a bounding box of all contacts. | |
286 | * These points are returned in x1, y1, x2, and y2 when the return value | |
287 | * is greater than 0. | |
288 | */ | |
7a9f73e7 KC |
289 | static int alps_process_bitmap(struct alps_data *priv, |
290 | unsigned int x_map, unsigned int y_map, | |
01ce661f SF |
291 | int *x1, int *y1, int *x2, int *y2) |
292 | { | |
293 | struct alps_bitmap_point { | |
294 | int start_bit; | |
295 | int num_bits; | |
296 | }; | |
297 | ||
298 | int fingers_x = 0, fingers_y = 0, fingers; | |
299 | int i, bit, prev_bit; | |
300 | struct alps_bitmap_point x_low = {0,}, x_high = {0,}; | |
301 | struct alps_bitmap_point y_low = {0,}, y_high = {0,}; | |
302 | struct alps_bitmap_point *point; | |
303 | ||
304 | if (!x_map || !y_map) | |
305 | return 0; | |
306 | ||
307 | *x1 = *y1 = *x2 = *y2 = 0; | |
308 | ||
309 | prev_bit = 0; | |
310 | point = &x_low; | |
311 | for (i = 0; x_map != 0; i++, x_map >>= 1) { | |
312 | bit = x_map & 1; | |
313 | if (bit) { | |
314 | if (!prev_bit) { | |
315 | point->start_bit = i; | |
316 | fingers_x++; | |
317 | } | |
318 | point->num_bits++; | |
319 | } else { | |
320 | if (prev_bit) | |
321 | point = &x_high; | |
322 | else | |
323 | point->num_bits = 0; | |
324 | } | |
325 | prev_bit = bit; | |
326 | } | |
327 | ||
328 | /* | |
329 | * y bitmap is reversed for what we need (lower positions are in | |
330 | * higher bits), so we process from the top end. | |
331 | */ | |
7a9f73e7 | 332 | y_map = y_map << (sizeof(y_map) * BITS_PER_BYTE - priv->y_bits); |
01ce661f SF |
333 | prev_bit = 0; |
334 | point = &y_low; | |
335 | for (i = 0; y_map != 0; i++, y_map <<= 1) { | |
336 | bit = y_map & (1 << (sizeof(y_map) * BITS_PER_BYTE - 1)); | |
337 | if (bit) { | |
338 | if (!prev_bit) { | |
339 | point->start_bit = i; | |
340 | fingers_y++; | |
341 | } | |
342 | point->num_bits++; | |
343 | } else { | |
344 | if (prev_bit) | |
345 | point = &y_high; | |
346 | else | |
347 | point->num_bits = 0; | |
348 | } | |
349 | prev_bit = bit; | |
350 | } | |
351 | ||
352 | /* | |
353 | * Fingers can overlap, so we use the maximum count of fingers | |
354 | * on either axis as the finger count. | |
355 | */ | |
356 | fingers = max(fingers_x, fingers_y); | |
357 | ||
358 | /* | |
359 | * If total fingers is > 1 but either axis reports only a single | |
360 | * contact, we have overlapping or adjacent fingers. For the | |
361 | * purposes of creating a bounding box, divide the single contact | |
362 | * (roughly) equally between the two points. | |
363 | */ | |
364 | if (fingers > 1) { | |
365 | if (fingers_x == 1) { | |
366 | i = x_low.num_bits / 2; | |
367 | x_low.num_bits = x_low.num_bits - i; | |
368 | x_high.start_bit = x_low.start_bit + i; | |
369 | x_high.num_bits = max(i, 1); | |
370 | } else if (fingers_y == 1) { | |
371 | i = y_low.num_bits / 2; | |
372 | y_low.num_bits = y_low.num_bits - i; | |
373 | y_high.start_bit = y_low.start_bit + i; | |
374 | y_high.num_bits = max(i, 1); | |
375 | } | |
376 | } | |
377 | ||
7a9f73e7 KC |
378 | *x1 = (priv->x_max * (2 * x_low.start_bit + x_low.num_bits - 1)) / |
379 | (2 * (priv->x_bits - 1)); | |
380 | *y1 = (priv->y_max * (2 * y_low.start_bit + y_low.num_bits - 1)) / | |
381 | (2 * (priv->y_bits - 1)); | |
01ce661f SF |
382 | |
383 | if (fingers > 1) { | |
7a9f73e7 KC |
384 | *x2 = (priv->x_max * |
385 | (2 * x_high.start_bit + x_high.num_bits - 1)) / | |
386 | (2 * (priv->x_bits - 1)); | |
387 | *y2 = (priv->y_max * | |
388 | (2 * y_high.start_bit + y_high.num_bits - 1)) / | |
389 | (2 * (priv->y_bits - 1)); | |
01ce661f SF |
390 | } |
391 | ||
392 | return fingers; | |
393 | } | |
394 | ||
395 | static void alps_set_slot(struct input_dev *dev, int slot, bool active, | |
396 | int x, int y) | |
397 | { | |
398 | input_mt_slot(dev, slot); | |
399 | input_mt_report_slot_state(dev, MT_TOOL_FINGER, active); | |
400 | if (active) { | |
401 | input_report_abs(dev, ABS_MT_POSITION_X, x); | |
402 | input_report_abs(dev, ABS_MT_POSITION_Y, y); | |
403 | } | |
404 | } | |
405 | ||
406 | static void alps_report_semi_mt_data(struct input_dev *dev, int num_fingers, | |
407 | int x1, int y1, int x2, int y2) | |
408 | { | |
409 | alps_set_slot(dev, 0, num_fingers != 0, x1, y1); | |
410 | alps_set_slot(dev, 1, num_fingers == 2, x2, y2); | |
411 | } | |
412 | ||
25bded7c SF |
413 | static void alps_process_trackstick_packet_v3(struct psmouse *psmouse) |
414 | { | |
415 | struct alps_data *priv = psmouse->private; | |
416 | unsigned char *packet = psmouse->packet; | |
417 | struct input_dev *dev = priv->dev2; | |
418 | int x, y, z, left, right, middle; | |
419 | ||
420 | /* Sanity check packet */ | |
421 | if (!(packet[0] & 0x40)) { | |
422 | psmouse_dbg(psmouse, "Bad trackstick packet, discarding\n"); | |
423 | return; | |
424 | } | |
425 | ||
426 | /* | |
427 | * There's a special packet that seems to indicate the end | |
428 | * of a stream of trackstick data. Filter these out. | |
429 | */ | |
430 | if (packet[1] == 0x7f && packet[2] == 0x7f && packet[4] == 0x7f) | |
431 | return; | |
432 | ||
433 | x = (s8)(((packet[0] & 0x20) << 2) | (packet[1] & 0x7f)); | |
434 | y = (s8)(((packet[0] & 0x10) << 3) | (packet[2] & 0x7f)); | |
435 | z = (packet[4] & 0x7c) >> 2; | |
436 | ||
437 | /* | |
438 | * The x and y values tend to be quite large, and when used | |
439 | * alone the trackstick is difficult to use. Scale them down | |
440 | * to compensate. | |
441 | */ | |
442 | x /= 8; | |
443 | y /= 8; | |
444 | ||
445 | input_report_rel(dev, REL_X, x); | |
446 | input_report_rel(dev, REL_Y, -y); | |
447 | ||
448 | /* | |
449 | * Most ALPS models report the trackstick buttons in the touchpad | |
450 | * packets, but a few report them here. No reliable way has been | |
451 | * found to differentiate between the models upfront, so we enable | |
452 | * the quirk in response to seeing a button press in the trackstick | |
453 | * packet. | |
454 | */ | |
455 | left = packet[3] & 0x01; | |
456 | right = packet[3] & 0x02; | |
457 | middle = packet[3] & 0x04; | |
458 | ||
459 | if (!(priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS) && | |
460 | (left || right || middle)) | |
461 | priv->quirks |= ALPS_QUIRK_TRACKSTICK_BUTTONS; | |
462 | ||
463 | if (priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS) { | |
464 | input_report_key(dev, BTN_LEFT, left); | |
465 | input_report_key(dev, BTN_RIGHT, right); | |
466 | input_report_key(dev, BTN_MIDDLE, middle); | |
467 | } | |
468 | ||
469 | input_sync(dev); | |
470 | return; | |
471 | } | |
472 | ||
f85e5001 KC |
473 | static void alps_decode_buttons_v3(struct alps_fields *f, unsigned char *p) |
474 | { | |
475 | f->left = !!(p[3] & 0x01); | |
476 | f->right = !!(p[3] & 0x02); | |
477 | f->middle = !!(p[3] & 0x04); | |
478 | ||
479 | f->ts_left = !!(p[3] & 0x10); | |
480 | f->ts_right = !!(p[3] & 0x20); | |
481 | f->ts_middle = !!(p[3] & 0x40); | |
482 | } | |
483 | ||
484 | static void alps_decode_pinnacle(struct alps_fields *f, unsigned char *p) | |
485 | { | |
486 | f->first_mp = !!(p[4] & 0x40); | |
487 | f->is_mp = !!(p[0] & 0x40); | |
488 | ||
489 | f->fingers = (p[5] & 0x3) + 1; | |
490 | f->x_map = ((p[4] & 0x7e) << 8) | | |
491 | ((p[1] & 0x7f) << 2) | | |
492 | ((p[0] & 0x30) >> 4); | |
493 | f->y_map = ((p[3] & 0x70) << 4) | | |
494 | ((p[2] & 0x7f) << 1) | | |
495 | (p[4] & 0x01); | |
496 | ||
497 | f->x = ((p[1] & 0x7f) << 4) | ((p[4] & 0x30) >> 2) | | |
498 | ((p[0] & 0x30) >> 4); | |
499 | f->y = ((p[2] & 0x7f) << 4) | (p[4] & 0x0f); | |
500 | f->z = p[5] & 0x7f; | |
501 | ||
502 | alps_decode_buttons_v3(f, p); | |
503 | } | |
504 | ||
1302bac3 KC |
505 | static void alps_decode_rushmore(struct alps_fields *f, unsigned char *p) |
506 | { | |
507 | alps_decode_pinnacle(f, p); | |
508 | ||
509 | f->x_map |= (p[5] & 0x10) << 11; | |
510 | f->y_map |= (p[5] & 0x20) << 6; | |
511 | } | |
512 | ||
75af9e56 DT |
513 | static void alps_decode_dolphin(struct alps_fields *f, unsigned char *p) |
514 | { | |
515 | f->first_mp = !!(p[0] & 0x02); | |
516 | f->is_mp = !!(p[0] & 0x20); | |
517 | ||
518 | f->fingers = ((p[0] & 0x6) >> 1 | | |
519 | (p[0] & 0x10) >> 2); | |
520 | f->x_map = ((p[2] & 0x60) >> 5) | | |
521 | ((p[4] & 0x7f) << 2) | | |
522 | ((p[5] & 0x7f) << 9) | | |
523 | ((p[3] & 0x07) << 16) | | |
524 | ((p[3] & 0x70) << 15) | | |
525 | ((p[0] & 0x01) << 22); | |
526 | f->y_map = (p[1] & 0x7f) | | |
527 | ((p[2] & 0x1f) << 7); | |
528 | ||
529 | f->x = ((p[1] & 0x7f) | ((p[4] & 0x0f) << 7)); | |
530 | f->y = ((p[2] & 0x7f) | ((p[4] & 0xf0) << 3)); | |
531 | f->z = (p[0] & 4) ? 0 : p[5] & 0x7f; | |
532 | ||
533 | alps_decode_buttons_v3(f, p); | |
534 | } | |
535 | ||
25bded7c SF |
536 | static void alps_process_touchpad_packet_v3(struct psmouse *psmouse) |
537 | { | |
538 | struct alps_data *priv = psmouse->private; | |
539 | unsigned char *packet = psmouse->packet; | |
540 | struct input_dev *dev = psmouse->dev; | |
541 | struct input_dev *dev2 = priv->dev2; | |
01ce661f SF |
542 | int x1 = 0, y1 = 0, x2 = 0, y2 = 0; |
543 | int fingers = 0, bmap_fingers; | |
f85e5001 KC |
544 | struct alps_fields f; |
545 | ||
546 | priv->decode_fields(&f, packet); | |
25bded7c SF |
547 | |
548 | /* | |
01ce661f SF |
549 | * There's no single feature of touchpad position and bitmap packets |
550 | * that can be used to distinguish between them. We rely on the fact | |
551 | * that a bitmap packet should always follow a position packet with | |
552 | * bit 6 of packet[4] set. | |
25bded7c SF |
553 | */ |
554 | if (priv->multi_packet) { | |
25bded7c SF |
555 | /* |
556 | * Sometimes a position packet will indicate a multi-packet | |
557 | * sequence, but then what follows is another position | |
558 | * packet. Check for this, and when it happens process the | |
559 | * position packet as usual. | |
560 | */ | |
f85e5001 KC |
561 | if (f.is_mp) { |
562 | fingers = f.fingers; | |
7a9f73e7 | 563 | bmap_fingers = alps_process_bitmap(priv, |
f85e5001 | 564 | f.x_map, f.y_map, |
01ce661f SF |
565 | &x1, &y1, &x2, &y2); |
566 | ||
25bded7c | 567 | /* |
01ce661f SF |
568 | * We shouldn't report more than one finger if |
569 | * we don't have two coordinates. | |
25bded7c | 570 | */ |
01ce661f SF |
571 | if (fingers > 1 && bmap_fingers < 2) |
572 | fingers = bmap_fingers; | |
573 | ||
574 | /* Now process position packet */ | |
f85e5001 | 575 | priv->decode_fields(&f, priv->multi_data); |
01ce661f SF |
576 | } else { |
577 | priv->multi_packet = 0; | |
25bded7c SF |
578 | } |
579 | } | |
580 | ||
01ce661f SF |
581 | /* |
582 | * Bit 6 of byte 0 is not usually set in position packets. The only | |
583 | * times it seems to be set is in situations where the data is | |
584 | * suspect anyway, e.g. a palm resting flat on the touchpad. Given | |
585 | * this combined with the fact that this bit is useful for filtering | |
586 | * out misidentified bitmap packets, we reject anything with this | |
587 | * bit set. | |
588 | */ | |
f85e5001 | 589 | if (f.is_mp) |
01ce661f SF |
590 | return; |
591 | ||
f85e5001 | 592 | if (!priv->multi_packet && f.first_mp) { |
25bded7c | 593 | priv->multi_packet = 1; |
01ce661f SF |
594 | memcpy(priv->multi_data, packet, sizeof(priv->multi_data)); |
595 | return; | |
596 | } | |
597 | ||
598 | priv->multi_packet = 0; | |
25bded7c | 599 | |
25bded7c SF |
600 | /* |
601 | * Sometimes the hardware sends a single packet with z = 0 | |
602 | * in the middle of a stream. Real releases generate packets | |
603 | * with x, y, and z all zero, so these seem to be flukes. | |
604 | * Ignore them. | |
605 | */ | |
f85e5001 | 606 | if (f.x && f.y && !f.z) |
25bded7c SF |
607 | return; |
608 | ||
01ce661f SF |
609 | /* |
610 | * If we don't have MT data or the bitmaps were empty, we have | |
611 | * to rely on ST data. | |
612 | */ | |
613 | if (!fingers) { | |
f85e5001 KC |
614 | x1 = f.x; |
615 | y1 = f.y; | |
616 | fingers = f.z > 0 ? 1 : 0; | |
01ce661f SF |
617 | } |
618 | ||
f85e5001 | 619 | if (f.z >= 64) |
25bded7c SF |
620 | input_report_key(dev, BTN_TOUCH, 1); |
621 | else | |
622 | input_report_key(dev, BTN_TOUCH, 0); | |
623 | ||
01ce661f SF |
624 | alps_report_semi_mt_data(dev, fingers, x1, y1, x2, y2); |
625 | ||
616575c2 | 626 | input_mt_report_finger_count(dev, fingers); |
01ce661f | 627 | |
f85e5001 KC |
628 | input_report_key(dev, BTN_LEFT, f.left); |
629 | input_report_key(dev, BTN_RIGHT, f.right); | |
630 | input_report_key(dev, BTN_MIDDLE, f.middle); | |
01ce661f | 631 | |
f85e5001 KC |
632 | if (f.z > 0) { |
633 | input_report_abs(dev, ABS_X, f.x); | |
634 | input_report_abs(dev, ABS_Y, f.y); | |
25bded7c | 635 | } |
f85e5001 | 636 | input_report_abs(dev, ABS_PRESSURE, f.z); |
25bded7c | 637 | |
25bded7c SF |
638 | input_sync(dev); |
639 | ||
640 | if (!(priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS)) { | |
f85e5001 KC |
641 | input_report_key(dev2, BTN_LEFT, f.ts_left); |
642 | input_report_key(dev2, BTN_RIGHT, f.ts_right); | |
643 | input_report_key(dev2, BTN_MIDDLE, f.ts_middle); | |
25bded7c SF |
644 | input_sync(dev2); |
645 | } | |
646 | } | |
647 | ||
648 | static void alps_process_packet_v3(struct psmouse *psmouse) | |
649 | { | |
650 | unsigned char *packet = psmouse->packet; | |
651 | ||
652 | /* | |
653 | * v3 protocol packets come in three types, two representing | |
654 | * touchpad data and one representing trackstick data. | |
655 | * Trackstick packets seem to be distinguished by always | |
656 | * having 0x3f in the last byte. This value has never been | |
657 | * observed in the last byte of either of the other types | |
658 | * of packets. | |
659 | */ | |
660 | if (packet[5] == 0x3f) { | |
661 | alps_process_trackstick_packet_v3(psmouse); | |
662 | return; | |
663 | } | |
664 | ||
665 | alps_process_touchpad_packet_v3(psmouse); | |
666 | } | |
667 | ||
95f75e91 YT |
668 | static void alps_process_packet_v6(struct psmouse *psmouse) |
669 | { | |
670 | struct alps_data *priv = psmouse->private; | |
671 | unsigned char *packet = psmouse->packet; | |
672 | struct input_dev *dev = psmouse->dev; | |
673 | struct input_dev *dev2 = priv->dev2; | |
674 | int x, y, z, left, right, middle; | |
675 | ||
676 | /* | |
677 | * We can use Byte5 to distinguish if the packet is from Touchpad | |
678 | * or Trackpoint. | |
679 | * Touchpad: 0 - 0x7E | |
680 | * Trackpoint: 0x7F | |
681 | */ | |
682 | if (packet[5] == 0x7F) { | |
683 | /* It should be a DualPoint when received Trackpoint packet */ | |
684 | if (!(priv->flags & ALPS_DUALPOINT)) | |
685 | return; | |
686 | ||
687 | /* Trackpoint packet */ | |
688 | x = packet[1] | ((packet[3] & 0x20) << 2); | |
689 | y = packet[2] | ((packet[3] & 0x40) << 1); | |
690 | z = packet[4]; | |
691 | left = packet[3] & 0x01; | |
692 | right = packet[3] & 0x02; | |
693 | middle = packet[3] & 0x04; | |
694 | ||
695 | /* To prevent the cursor jump when finger lifted */ | |
696 | if (x == 0x7F && y == 0x7F && z == 0x7F) | |
697 | x = y = z = 0; | |
698 | ||
699 | /* Divide 4 since trackpoint's speed is too fast */ | |
700 | input_report_rel(dev2, REL_X, (char)x / 4); | |
701 | input_report_rel(dev2, REL_Y, -((char)y / 4)); | |
702 | ||
703 | input_report_key(dev2, BTN_LEFT, left); | |
704 | input_report_key(dev2, BTN_RIGHT, right); | |
705 | input_report_key(dev2, BTN_MIDDLE, middle); | |
706 | ||
707 | input_sync(dev2); | |
708 | return; | |
709 | } | |
710 | ||
711 | /* Touchpad packet */ | |
712 | x = packet[1] | ((packet[3] & 0x78) << 4); | |
713 | y = packet[2] | ((packet[4] & 0x78) << 4); | |
714 | z = packet[5]; | |
715 | left = packet[3] & 0x01; | |
716 | right = packet[3] & 0x02; | |
717 | ||
718 | if (z > 30) | |
719 | input_report_key(dev, BTN_TOUCH, 1); | |
720 | if (z < 25) | |
721 | input_report_key(dev, BTN_TOUCH, 0); | |
722 | ||
723 | if (z > 0) { | |
724 | input_report_abs(dev, ABS_X, x); | |
725 | input_report_abs(dev, ABS_Y, y); | |
726 | } | |
727 | ||
728 | input_report_abs(dev, ABS_PRESSURE, z); | |
729 | input_report_key(dev, BTN_TOOL_FINGER, z > 0); | |
730 | ||
731 | /* v6 touchpad does not have middle button */ | |
732 | input_report_key(dev, BTN_LEFT, left); | |
733 | input_report_key(dev, BTN_RIGHT, right); | |
734 | ||
735 | input_sync(dev); | |
736 | } | |
737 | ||
25bded7c SF |
738 | static void alps_process_packet_v4(struct psmouse *psmouse) |
739 | { | |
3b7e09fa | 740 | struct alps_data *priv = psmouse->private; |
25bded7c SF |
741 | unsigned char *packet = psmouse->packet; |
742 | struct input_dev *dev = psmouse->dev; | |
3b7e09fa | 743 | int offset; |
25bded7c SF |
744 | int x, y, z; |
745 | int left, right; | |
3b7e09fa GP |
746 | int x1, y1, x2, y2; |
747 | int fingers = 0; | |
748 | unsigned int x_bitmap, y_bitmap; | |
749 | ||
750 | /* | |
751 | * v4 has a 6-byte encoding for bitmap data, but this data is | |
752 | * broken up between 3 normal packets. Use priv->multi_packet to | |
753 | * track our position in the bitmap packet. | |
754 | */ | |
755 | if (packet[6] & 0x40) { | |
756 | /* sync, reset position */ | |
757 | priv->multi_packet = 0; | |
758 | } | |
759 | ||
760 | if (WARN_ON_ONCE(priv->multi_packet > 2)) | |
761 | return; | |
762 | ||
763 | offset = 2 * priv->multi_packet; | |
764 | priv->multi_data[offset] = packet[6]; | |
765 | priv->multi_data[offset + 1] = packet[7]; | |
766 | ||
767 | if (++priv->multi_packet > 2) { | |
768 | priv->multi_packet = 0; | |
769 | ||
770 | x_bitmap = ((priv->multi_data[2] & 0x1f) << 10) | | |
771 | ((priv->multi_data[3] & 0x60) << 3) | | |
772 | ((priv->multi_data[0] & 0x3f) << 2) | | |
773 | ((priv->multi_data[1] & 0x60) >> 5); | |
774 | y_bitmap = ((priv->multi_data[5] & 0x01) << 10) | | |
775 | ((priv->multi_data[3] & 0x1f) << 5) | | |
776 | (priv->multi_data[1] & 0x1f); | |
777 | ||
7a9f73e7 | 778 | fingers = alps_process_bitmap(priv, x_bitmap, y_bitmap, |
3b7e09fa GP |
779 | &x1, &y1, &x2, &y2); |
780 | ||
781 | /* Store MT data.*/ | |
782 | priv->fingers = fingers; | |
783 | priv->x1 = x1; | |
784 | priv->x2 = x2; | |
785 | priv->y1 = y1; | |
786 | priv->y2 = y2; | |
787 | } | |
25bded7c SF |
788 | |
789 | left = packet[4] & 0x01; | |
790 | right = packet[4] & 0x02; | |
791 | ||
792 | x = ((packet[1] & 0x7f) << 4) | ((packet[3] & 0x30) >> 2) | | |
793 | ((packet[0] & 0x30) >> 4); | |
794 | y = ((packet[2] & 0x7f) << 4) | (packet[3] & 0x0f); | |
795 | z = packet[5] & 0x7f; | |
796 | ||
3b7e09fa GP |
797 | /* |
798 | * If there were no contacts in the bitmap, use ST | |
799 | * points in MT reports. | |
800 | * If there were two contacts or more, report MT data. | |
801 | */ | |
802 | if (priv->fingers < 2) { | |
803 | x1 = x; | |
804 | y1 = y; | |
805 | fingers = z > 0 ? 1 : 0; | |
806 | } else { | |
807 | fingers = priv->fingers; | |
808 | x1 = priv->x1; | |
809 | x2 = priv->x2; | |
810 | y1 = priv->y1; | |
811 | y2 = priv->y2; | |
812 | } | |
813 | ||
25bded7c SF |
814 | if (z >= 64) |
815 | input_report_key(dev, BTN_TOUCH, 1); | |
816 | else | |
817 | input_report_key(dev, BTN_TOUCH, 0); | |
818 | ||
3b7e09fa GP |
819 | alps_report_semi_mt_data(dev, fingers, x1, y1, x2, y2); |
820 | ||
616575c2 | 821 | input_mt_report_finger_count(dev, fingers); |
3b7e09fa GP |
822 | |
823 | input_report_key(dev, BTN_LEFT, left); | |
824 | input_report_key(dev, BTN_RIGHT, right); | |
825 | ||
25bded7c SF |
826 | if (z > 0) { |
827 | input_report_abs(dev, ABS_X, x); | |
828 | input_report_abs(dev, ABS_Y, y); | |
829 | } | |
830 | input_report_abs(dev, ABS_PRESSURE, z); | |
831 | ||
25bded7c SF |
832 | input_sync(dev); |
833 | } | |
834 | ||
1d9f2626 SK |
835 | static void alps_report_bare_ps2_packet(struct psmouse *psmouse, |
836 | unsigned char packet[], | |
837 | bool report_buttons) | |
838 | { | |
839 | struct alps_data *priv = psmouse->private; | |
840 | struct input_dev *dev2 = priv->dev2; | |
841 | ||
842 | if (report_buttons) | |
843 | alps_report_buttons(psmouse, dev2, psmouse->dev, | |
844 | packet[0] & 1, packet[0] & 2, packet[0] & 4); | |
845 | ||
846 | input_report_rel(dev2, REL_X, | |
847 | packet[1] ? packet[1] - ((packet[0] << 4) & 0x100) : 0); | |
848 | input_report_rel(dev2, REL_Y, | |
849 | packet[2] ? ((packet[0] << 3) & 0x100) - packet[2] : 0); | |
850 | ||
851 | input_sync(dev2); | |
852 | } | |
853 | ||
854 | static psmouse_ret_t alps_handle_interleaved_ps2(struct psmouse *psmouse) | |
855 | { | |
856 | struct alps_data *priv = psmouse->private; | |
857 | ||
858 | if (psmouse->pktcnt < 6) | |
859 | return PSMOUSE_GOOD_DATA; | |
860 | ||
861 | if (psmouse->pktcnt == 6) { | |
862 | /* | |
863 | * Start a timer to flush the packet if it ends up last | |
864 | * 6-byte packet in the stream. Timer needs to fire | |
865 | * psmouse core times out itself. 20 ms should be enough | |
866 | * to decide if we are getting more data or not. | |
867 | */ | |
868 | mod_timer(&priv->timer, jiffies + msecs_to_jiffies(20)); | |
869 | return PSMOUSE_GOOD_DATA; | |
870 | } | |
871 | ||
872 | del_timer(&priv->timer); | |
873 | ||
874 | if (psmouse->packet[6] & 0x80) { | |
875 | ||
876 | /* | |
877 | * Highest bit is set - that means we either had | |
878 | * complete ALPS packet and this is start of the | |
879 | * next packet or we got garbage. | |
880 | */ | |
881 | ||
882 | if (((psmouse->packet[3] | | |
883 | psmouse->packet[4] | | |
884 | psmouse->packet[5]) & 0x80) || | |
99df65e7 | 885 | (!alps_is_valid_first_byte(priv, psmouse->packet[6]))) { |
b5d21704 | 886 | psmouse_dbg(psmouse, |
3b112923 AS |
887 | "refusing packet %4ph (suspected interleaved ps/2)\n", |
888 | psmouse->packet + 3); | |
1d9f2626 SK |
889 | return PSMOUSE_BAD_DATA; |
890 | } | |
891 | ||
24af5cb9 | 892 | priv->process_packet(psmouse); |
1d9f2626 SK |
893 | |
894 | /* Continue with the next packet */ | |
895 | psmouse->packet[0] = psmouse->packet[6]; | |
896 | psmouse->pktcnt = 1; | |
897 | ||
898 | } else { | |
899 | ||
900 | /* | |
901 | * High bit is 0 - that means that we indeed got a PS/2 | |
902 | * packet in the middle of ALPS packet. | |
903 | * | |
904 | * There is also possibility that we got 6-byte ALPS | |
905 | * packet followed by 3-byte packet from trackpoint. We | |
906 | * can not distinguish between these 2 scenarios but | |
b5d21704 | 907 | * because the latter is unlikely to happen in course of |
1d9f2626 SK |
908 | * normal operation (user would need to press all |
909 | * buttons on the pad and start moving trackpoint | |
910 | * without touching the pad surface) we assume former. | |
911 | * Even if we are wrong the wost thing that would happen | |
912 | * the cursor would jump but we should not get protocol | |
b5d21704 | 913 | * de-synchronization. |
1d9f2626 SK |
914 | */ |
915 | ||
916 | alps_report_bare_ps2_packet(psmouse, &psmouse->packet[3], | |
917 | false); | |
918 | ||
919 | /* | |
920 | * Continue with the standard ALPS protocol handling, | |
921 | * but make sure we won't process it as an interleaved | |
922 | * packet again, which may happen if all buttons are | |
923 | * pressed. To avoid this let's reset the 4th bit which | |
924 | * is normally 1. | |
925 | */ | |
926 | psmouse->packet[3] = psmouse->packet[6] & 0xf7; | |
927 | psmouse->pktcnt = 4; | |
928 | } | |
929 | ||
930 | return PSMOUSE_GOOD_DATA; | |
931 | } | |
932 | ||
933 | static void alps_flush_packet(unsigned long data) | |
934 | { | |
935 | struct psmouse *psmouse = (struct psmouse *)data; | |
24af5cb9 | 936 | struct alps_data *priv = psmouse->private; |
1d9f2626 SK |
937 | |
938 | serio_pause_rx(psmouse->ps2dev.serio); | |
939 | ||
b46615fe | 940 | if (psmouse->pktcnt == psmouse->pktsize) { |
1d9f2626 SK |
941 | |
942 | /* | |
943 | * We did not any more data in reasonable amount of time. | |
944 | * Validate the last 3 bytes and process as a standard | |
945 | * ALPS packet. | |
946 | */ | |
947 | if ((psmouse->packet[3] | | |
948 | psmouse->packet[4] | | |
949 | psmouse->packet[5]) & 0x80) { | |
b5d21704 | 950 | psmouse_dbg(psmouse, |
3b112923 AS |
951 | "refusing packet %3ph (suspected interleaved ps/2)\n", |
952 | psmouse->packet + 3); | |
1d9f2626 | 953 | } else { |
24af5cb9 | 954 | priv->process_packet(psmouse); |
1d9f2626 SK |
955 | } |
956 | psmouse->pktcnt = 0; | |
957 | } | |
958 | ||
959 | serio_continue_rx(psmouse->ps2dev.serio); | |
960 | } | |
961 | ||
7d12e780 | 962 | static psmouse_ret_t alps_process_byte(struct psmouse *psmouse) |
1da177e4 LT |
963 | { |
964 | struct alps_data *priv = psmouse->private; | |
965 | ||
966 | if ((psmouse->packet[0] & 0xc8) == 0x08) { /* PS/2 packet */ | |
967 | if (psmouse->pktcnt == 3) { | |
1d9f2626 SK |
968 | alps_report_bare_ps2_packet(psmouse, psmouse->packet, |
969 | true); | |
1da177e4 LT |
970 | return PSMOUSE_FULL_PACKET; |
971 | } | |
972 | return PSMOUSE_GOOD_DATA; | |
973 | } | |
974 | ||
1d9f2626 SK |
975 | /* Check for PS/2 packet stuffed in the middle of ALPS packet. */ |
976 | ||
99df65e7 | 977 | if ((priv->flags & ALPS_PS2_INTERLEAVED) && |
1d9f2626 SK |
978 | psmouse->pktcnt >= 4 && (psmouse->packet[3] & 0x0f) == 0x0f) { |
979 | return alps_handle_interleaved_ps2(psmouse); | |
980 | } | |
981 | ||
99df65e7 | 982 | if (!alps_is_valid_first_byte(priv, psmouse->packet[0])) { |
b5d21704 DT |
983 | psmouse_dbg(psmouse, |
984 | "refusing packet[0] = %x (mask0 = %x, byte0 = %x)\n", | |
99df65e7 | 985 | psmouse->packet[0], priv->mask0, priv->byte0); |
1da177e4 | 986 | return PSMOUSE_BAD_DATA; |
1d9f2626 | 987 | } |
1da177e4 | 988 | |
b46615fe | 989 | /* Bytes 2 - pktsize should have 0 in the highest bit */ |
95f75e91 | 990 | if ((priv->proto_version < ALPS_PROTO_V5) && |
75af9e56 | 991 | psmouse->pktcnt >= 2 && psmouse->pktcnt <= psmouse->pktsize && |
1d9f2626 | 992 | (psmouse->packet[psmouse->pktcnt - 1] & 0x80)) { |
b5d21704 DT |
993 | psmouse_dbg(psmouse, "refusing packet[%i] = %x\n", |
994 | psmouse->pktcnt - 1, | |
995 | psmouse->packet[psmouse->pktcnt - 1]); | |
1da177e4 | 996 | return PSMOUSE_BAD_DATA; |
1d9f2626 | 997 | } |
1da177e4 | 998 | |
b46615fe | 999 | if (psmouse->pktcnt == psmouse->pktsize) { |
24af5cb9 | 1000 | priv->process_packet(psmouse); |
1da177e4 LT |
1001 | return PSMOUSE_FULL_PACKET; |
1002 | } | |
1003 | ||
1004 | return PSMOUSE_GOOD_DATA; | |
1005 | } | |
1006 | ||
25bded7c SF |
1007 | static int alps_command_mode_send_nibble(struct psmouse *psmouse, int nibble) |
1008 | { | |
1009 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1010 | struct alps_data *priv = psmouse->private; | |
1011 | int command; | |
1012 | unsigned char *param; | |
1013 | unsigned char dummy[4]; | |
1014 | ||
1015 | BUG_ON(nibble > 0xf); | |
1016 | ||
1017 | command = priv->nibble_commands[nibble].command; | |
1018 | param = (command & 0x0f00) ? | |
1019 | dummy : (unsigned char *)&priv->nibble_commands[nibble].data; | |
1020 | ||
1021 | if (ps2_command(ps2dev, param, command)) | |
1022 | return -1; | |
1023 | ||
1024 | return 0; | |
1025 | } | |
1026 | ||
1027 | static int alps_command_mode_set_addr(struct psmouse *psmouse, int addr) | |
1028 | { | |
1029 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1030 | struct alps_data *priv = psmouse->private; | |
1031 | int i, nibble; | |
1032 | ||
1033 | if (ps2_command(ps2dev, NULL, priv->addr_command)) | |
1034 | return -1; | |
1035 | ||
1036 | for (i = 12; i >= 0; i -= 4) { | |
1037 | nibble = (addr >> i) & 0xf; | |
1038 | if (alps_command_mode_send_nibble(psmouse, nibble)) | |
1039 | return -1; | |
1040 | } | |
1041 | ||
1042 | return 0; | |
1043 | } | |
1044 | ||
1045 | static int __alps_command_mode_read_reg(struct psmouse *psmouse, int addr) | |
1046 | { | |
1047 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1048 | unsigned char param[4]; | |
1049 | ||
1050 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) | |
1051 | return -1; | |
1052 | ||
1053 | /* | |
1054 | * The address being read is returned in the first two bytes | |
1055 | * of the result. Check that this address matches the expected | |
1056 | * address. | |
1057 | */ | |
1058 | if (addr != ((param[0] << 8) | param[1])) | |
1059 | return -1; | |
1060 | ||
1061 | return param[2]; | |
1062 | } | |
1063 | ||
1064 | static int alps_command_mode_read_reg(struct psmouse *psmouse, int addr) | |
1065 | { | |
1066 | if (alps_command_mode_set_addr(psmouse, addr)) | |
1067 | return -1; | |
1068 | return __alps_command_mode_read_reg(psmouse, addr); | |
1069 | } | |
1070 | ||
1071 | static int __alps_command_mode_write_reg(struct psmouse *psmouse, u8 value) | |
1072 | { | |
1073 | if (alps_command_mode_send_nibble(psmouse, (value >> 4) & 0xf)) | |
1074 | return -1; | |
1075 | if (alps_command_mode_send_nibble(psmouse, value & 0xf)) | |
1076 | return -1; | |
1077 | return 0; | |
1078 | } | |
1079 | ||
1080 | static int alps_command_mode_write_reg(struct psmouse *psmouse, int addr, | |
1081 | u8 value) | |
1082 | { | |
1083 | if (alps_command_mode_set_addr(psmouse, addr)) | |
1084 | return -1; | |
1085 | return __alps_command_mode_write_reg(psmouse, value); | |
1086 | } | |
1087 | ||
24ba9707 KC |
1088 | static int alps_rpt_cmd(struct psmouse *psmouse, int init_command, |
1089 | int repeated_command, unsigned char *param) | |
1090 | { | |
1091 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1092 | ||
1093 | param[0] = 0; | |
1094 | if (init_command && ps2_command(ps2dev, param, init_command)) | |
1095 | return -EIO; | |
1096 | ||
1097 | if (ps2_command(ps2dev, NULL, repeated_command) || | |
1098 | ps2_command(ps2dev, NULL, repeated_command) || | |
1099 | ps2_command(ps2dev, NULL, repeated_command)) | |
1100 | return -EIO; | |
1101 | ||
1102 | param[0] = param[1] = param[2] = 0xff; | |
1103 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) | |
1104 | return -EIO; | |
1105 | ||
39fbe585 DT |
1106 | psmouse_dbg(psmouse, "%2.2X report: %3ph\n", |
1107 | repeated_command, param); | |
24ba9707 KC |
1108 | return 0; |
1109 | } | |
1110 | ||
d18e53fc | 1111 | static int alps_enter_command_mode(struct psmouse *psmouse) |
25bded7c SF |
1112 | { |
1113 | unsigned char param[4]; | |
25bded7c | 1114 | |
24ba9707 | 1115 | if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_RESET_WRAP, param)) { |
25bded7c SF |
1116 | psmouse_err(psmouse, "failed to enter command mode\n"); |
1117 | return -1; | |
1118 | } | |
1119 | ||
75af9e56 DT |
1120 | if ((param[0] != 0x88 || (param[1] != 0x07 && param[1] != 0x08)) && |
1121 | param[0] != 0x73) { | |
25bded7c | 1122 | psmouse_dbg(psmouse, |
24ba9707 | 1123 | "unknown response while entering command mode\n"); |
25bded7c SF |
1124 | return -1; |
1125 | } | |
25bded7c SF |
1126 | return 0; |
1127 | } | |
1128 | ||
1129 | static inline int alps_exit_command_mode(struct psmouse *psmouse) | |
1130 | { | |
1131 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1132 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM)) | |
1133 | return -1; | |
1134 | return 0; | |
1135 | } | |
1136 | ||
1da177e4 LT |
1137 | /* |
1138 | * For DualPoint devices select the device that should respond to | |
1139 | * subsequent commands. It looks like glidepad is behind stickpointer, | |
1140 | * I'd thought it would be other way around... | |
1141 | */ | |
25bded7c | 1142 | static int alps_passthrough_mode_v2(struct psmouse *psmouse, bool enable) |
1da177e4 LT |
1143 | { |
1144 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1da177e4 LT |
1145 | int cmd = enable ? PSMOUSE_CMD_SETSCALE21 : PSMOUSE_CMD_SETSCALE11; |
1146 | ||
1147 | if (ps2_command(ps2dev, NULL, cmd) || | |
1148 | ps2_command(ps2dev, NULL, cmd) || | |
1149 | ps2_command(ps2dev, NULL, cmd) || | |
1150 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE)) | |
1151 | return -1; | |
1152 | ||
1153 | /* we may get 3 more bytes, just ignore them */ | |
c611763d | 1154 | ps2_drain(ps2dev, 3, 100); |
1da177e4 LT |
1155 | |
1156 | return 0; | |
1157 | } | |
1158 | ||
25bded7c | 1159 | static int alps_absolute_mode_v1_v2(struct psmouse *psmouse) |
1da177e4 LT |
1160 | { |
1161 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1162 | ||
1163 | /* Try ALPS magic knock - 4 disable before enable */ | |
1164 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1165 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1166 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1167 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1168 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) | |
1169 | return -1; | |
1170 | ||
1171 | /* | |
1172 | * Switch mouse to poll (remote) mode so motion data will not | |
1173 | * get in our way | |
1174 | */ | |
1175 | return ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETPOLL); | |
1176 | } | |
1177 | ||
95f75e91 YT |
1178 | static int alps_monitor_mode_send_word(struct psmouse *psmouse, u16 word) |
1179 | { | |
1180 | int i, nibble; | |
1181 | ||
1182 | /* | |
1183 | * b0-b11 are valid bits, send sequence is inverse. | |
1184 | * e.g. when word = 0x0123, nibble send sequence is 3, 2, 1 | |
1185 | */ | |
1186 | for (i = 0; i <= 8; i += 4) { | |
1187 | nibble = (word >> i) & 0xf; | |
1188 | if (alps_command_mode_send_nibble(psmouse, nibble)) | |
1189 | return -1; | |
1190 | } | |
1191 | ||
1192 | return 0; | |
1193 | } | |
1194 | ||
1195 | static int alps_monitor_mode_write_reg(struct psmouse *psmouse, | |
1196 | u16 addr, u16 value) | |
1197 | { | |
1198 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1199 | ||
1200 | /* 0x0A0 is the command to write the word */ | |
1201 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE) || | |
1202 | alps_monitor_mode_send_word(psmouse, 0x0A0) || | |
1203 | alps_monitor_mode_send_word(psmouse, addr) || | |
1204 | alps_monitor_mode_send_word(psmouse, value) || | |
1205 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE)) | |
1206 | return -1; | |
1207 | ||
1208 | return 0; | |
1209 | } | |
1210 | ||
1211 | static int alps_monitor_mode(struct psmouse *psmouse, bool enable) | |
1212 | { | |
1213 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1214 | ||
1215 | if (enable) { | |
1216 | /* EC E9 F5 F5 E7 E6 E7 E9 to enter monitor mode */ | |
1217 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP) || | |
1218 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_GETINFO) || | |
1219 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1220 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1221 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) || | |
1222 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || | |
1223 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) || | |
1224 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_GETINFO)) | |
1225 | return -1; | |
1226 | } else { | |
1227 | /* EC to exit monitor mode */ | |
1228 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP)) | |
1229 | return -1; | |
1230 | } | |
1231 | ||
1232 | return 0; | |
1233 | } | |
1234 | ||
1235 | static int alps_absolute_mode_v6(struct psmouse *psmouse) | |
1236 | { | |
1237 | u16 reg_val = 0x181; | |
1238 | int ret = -1; | |
1239 | ||
1240 | /* enter monitor mode, to write the register */ | |
1241 | if (alps_monitor_mode(psmouse, true)) | |
1242 | return -1; | |
1243 | ||
1244 | ret = alps_monitor_mode_write_reg(psmouse, 0x000, reg_val); | |
1245 | ||
1246 | if (alps_monitor_mode(psmouse, false)) | |
1247 | ret = -1; | |
1248 | ||
1249 | return ret; | |
1250 | } | |
1251 | ||
1da177e4 LT |
1252 | static int alps_get_status(struct psmouse *psmouse, char *param) |
1253 | { | |
1da177e4 | 1254 | /* Get status: 0xF5 0xF5 0xF5 0xE9 */ |
24ba9707 | 1255 | if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_DISABLE, param)) |
1da177e4 LT |
1256 | return -1; |
1257 | ||
1da177e4 LT |
1258 | return 0; |
1259 | } | |
1260 | ||
1261 | /* | |
1262 | * Turn touchpad tapping on or off. The sequences are: | |
1263 | * 0xE9 0xF5 0xF5 0xF3 0x0A to enable, | |
1264 | * 0xE9 0xF5 0xF5 0xE8 0x00 to disable. | |
1265 | * My guess that 0xE9 (GetInfo) is here as a sync point. | |
1266 | * For models that also have stickpointer (DualPoints) its tapping | |
1267 | * is controlled separately (0xE6 0xE6 0xE6 0xF3 0x14|0x0A) but | |
1268 | * we don't fiddle with it. | |
1269 | */ | |
1270 | static int alps_tap_mode(struct psmouse *psmouse, int enable) | |
1271 | { | |
1272 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1273 | int cmd = enable ? PSMOUSE_CMD_SETRATE : PSMOUSE_CMD_SETRES; | |
1274 | unsigned char tap_arg = enable ? 0x0A : 0x00; | |
1275 | unsigned char param[4]; | |
1276 | ||
1277 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO) || | |
1278 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1279 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1280 | ps2_command(ps2dev, &tap_arg, cmd)) | |
1281 | return -1; | |
1282 | ||
1283 | if (alps_get_status(psmouse, param)) | |
1284 | return -1; | |
1285 | ||
1286 | return 0; | |
1287 | } | |
1288 | ||
f0d5c6f4 DT |
1289 | /* |
1290 | * alps_poll() - poll the touchpad for current motion packet. | |
1291 | * Used in resync. | |
1292 | */ | |
1293 | static int alps_poll(struct psmouse *psmouse) | |
1294 | { | |
1295 | struct alps_data *priv = psmouse->private; | |
b46615fe | 1296 | unsigned char buf[sizeof(psmouse->packet)]; |
b7802c5c | 1297 | bool poll_failed; |
f0d5c6f4 | 1298 | |
99df65e7 | 1299 | if (priv->flags & ALPS_PASS) |
25bded7c | 1300 | alps_passthrough_mode_v2(psmouse, true); |
f0d5c6f4 DT |
1301 | |
1302 | poll_failed = ps2_command(&psmouse->ps2dev, buf, | |
1303 | PSMOUSE_CMD_POLL | (psmouse->pktsize << 8)) < 0; | |
1304 | ||
99df65e7 | 1305 | if (priv->flags & ALPS_PASS) |
25bded7c | 1306 | alps_passthrough_mode_v2(psmouse, false); |
f0d5c6f4 | 1307 | |
99df65e7 | 1308 | if (poll_failed || (buf[0] & priv->mask0) != priv->byte0) |
f0d5c6f4 DT |
1309 | return -1; |
1310 | ||
1311 | if ((psmouse->badbyte & 0xc8) == 0x08) { | |
1312 | /* | |
1313 | * Poll the track stick ... | |
1314 | */ | |
1315 | if (ps2_command(&psmouse->ps2dev, buf, PSMOUSE_CMD_POLL | (3 << 8))) | |
1316 | return -1; | |
1317 | } | |
1318 | ||
1319 | memcpy(psmouse->packet, buf, sizeof(buf)); | |
1320 | return 0; | |
1321 | } | |
1322 | ||
25bded7c | 1323 | static int alps_hw_init_v1_v2(struct psmouse *psmouse) |
1da177e4 LT |
1324 | { |
1325 | struct alps_data *priv = psmouse->private; | |
f3a5c73d | 1326 | |
99df65e7 | 1327 | if ((priv->flags & ALPS_PASS) && |
25bded7c | 1328 | alps_passthrough_mode_v2(psmouse, true)) { |
1da177e4 | 1329 | return -1; |
b7802c5c | 1330 | } |
1da177e4 | 1331 | |
b7802c5c | 1332 | if (alps_tap_mode(psmouse, true)) { |
b5d21704 | 1333 | psmouse_warn(psmouse, "Failed to enable hardware tapping\n"); |
1da177e4 | 1334 | return -1; |
963f626d | 1335 | } |
1da177e4 | 1336 | |
25bded7c | 1337 | if (alps_absolute_mode_v1_v2(psmouse)) { |
b5d21704 | 1338 | psmouse_err(psmouse, "Failed to enable absolute mode\n"); |
1da177e4 LT |
1339 | return -1; |
1340 | } | |
1341 | ||
99df65e7 | 1342 | if ((priv->flags & ALPS_PASS) && |
25bded7c | 1343 | alps_passthrough_mode_v2(psmouse, false)) { |
1da177e4 | 1344 | return -1; |
b7802c5c | 1345 | } |
1da177e4 | 1346 | |
1e0c5b12 DT |
1347 | /* ALPS needs stream mode, otherwise it won't report any data */ |
1348 | if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSTREAM)) { | |
b5d21704 | 1349 | psmouse_err(psmouse, "Failed to enable stream mode\n"); |
1e0c5b12 DT |
1350 | return -1; |
1351 | } | |
1352 | ||
1353 | return 0; | |
1354 | } | |
1355 | ||
95f75e91 YT |
1356 | static int alps_hw_init_v6(struct psmouse *psmouse) |
1357 | { | |
1358 | unsigned char param[2] = {0xC8, 0x14}; | |
1359 | ||
1360 | /* Enter passthrough mode to let trackpoint enter 6byte raw mode */ | |
1361 | if (alps_passthrough_mode_v2(psmouse, true)) | |
1362 | return -1; | |
1363 | ||
1364 | if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || | |
1365 | ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || | |
1366 | ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || | |
1367 | ps2_command(&psmouse->ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || | |
1368 | ps2_command(&psmouse->ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE)) | |
1369 | return -1; | |
1370 | ||
1371 | if (alps_passthrough_mode_v2(psmouse, false)) | |
1372 | return -1; | |
1373 | ||
1374 | if (alps_absolute_mode_v6(psmouse)) { | |
1375 | psmouse_err(psmouse, "Failed to enable absolute mode\n"); | |
1376 | return -1; | |
1377 | } | |
1378 | ||
1379 | return 0; | |
1380 | } | |
1381 | ||
25bded7c | 1382 | /* |
cd401204 | 1383 | * Enable or disable passthrough mode to the trackstick. |
25bded7c | 1384 | */ |
cd401204 KC |
1385 | static int alps_passthrough_mode_v3(struct psmouse *psmouse, |
1386 | int reg_base, bool enable) | |
25bded7c | 1387 | { |
cd401204 | 1388 | int reg_val, ret = -1; |
25bded7c | 1389 | |
d18e53fc | 1390 | if (alps_enter_command_mode(psmouse)) |
25bded7c SF |
1391 | return -1; |
1392 | ||
cd401204 KC |
1393 | reg_val = alps_command_mode_read_reg(psmouse, reg_base + 0x0008); |
1394 | if (reg_val == -1) | |
1395 | goto error; | |
1396 | ||
25bded7c SF |
1397 | if (enable) |
1398 | reg_val |= 0x01; | |
1399 | else | |
1400 | reg_val &= ~0x01; | |
1401 | ||
cd401204 | 1402 | ret = __alps_command_mode_write_reg(psmouse, reg_val); |
25bded7c | 1403 | |
cd401204 KC |
1404 | error: |
1405 | if (alps_exit_command_mode(psmouse)) | |
1406 | ret = -1; | |
1407 | return ret; | |
25bded7c SF |
1408 | } |
1409 | ||
1410 | /* Must be in command mode when calling this function */ | |
1411 | static int alps_absolute_mode_v3(struct psmouse *psmouse) | |
1412 | { | |
1413 | int reg_val; | |
1414 | ||
1415 | reg_val = alps_command_mode_read_reg(psmouse, 0x0004); | |
1416 | if (reg_val == -1) | |
1417 | return -1; | |
1418 | ||
1419 | reg_val |= 0x06; | |
1420 | if (__alps_command_mode_write_reg(psmouse, reg_val)) | |
1421 | return -1; | |
1422 | ||
1423 | return 0; | |
1424 | } | |
1425 | ||
cd401204 | 1426 | static int alps_probe_trackstick_v3(struct psmouse *psmouse, int reg_base) |
25bded7c | 1427 | { |
cd401204 | 1428 | int ret = -EIO, reg_val; |
25bded7c | 1429 | |
d18e53fc | 1430 | if (alps_enter_command_mode(psmouse)) |
25bded7c SF |
1431 | goto error; |
1432 | ||
cd401204 | 1433 | reg_val = alps_command_mode_read_reg(psmouse, reg_base + 0x08); |
25bded7c SF |
1434 | if (reg_val == -1) |
1435 | goto error; | |
cd401204 KC |
1436 | |
1437 | /* bit 7: trackstick is present */ | |
1438 | ret = reg_val & 0x80 ? 0 : -ENODEV; | |
1439 | ||
1440 | error: | |
1441 | alps_exit_command_mode(psmouse); | |
1442 | return ret; | |
1443 | } | |
1444 | ||
1445 | static int alps_setup_trackstick_v3(struct psmouse *psmouse, int reg_base) | |
1446 | { | |
1447 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1448 | int ret = 0; | |
1449 | unsigned char param[4]; | |
1450 | ||
1451 | if (alps_passthrough_mode_v3(psmouse, reg_base, true)) | |
1452 | return -EIO; | |
1453 | ||
1454 | /* | |
1455 | * E7 report for the trackstick | |
1456 | * | |
1457 | * There have been reports of failures to seem to trace back | |
1458 | * to the above trackstick check failing. When these occur | |
1459 | * this E7 report fails, so when that happens we continue | |
1460 | * with the assumption that there isn't a trackstick after | |
1461 | * all. | |
1462 | */ | |
1463 | if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_SETSCALE21, param)) { | |
1464 | psmouse_warn(psmouse, "trackstick E7 report failed\n"); | |
1465 | ret = -ENODEV; | |
1466 | } else { | |
39fbe585 | 1467 | psmouse_dbg(psmouse, "trackstick E7 report: %3ph\n", param); |
25bded7c SF |
1468 | |
1469 | /* | |
cd401204 KC |
1470 | * Not sure what this does, but it is absolutely |
1471 | * essential. Without it, the touchpad does not | |
1472 | * work at all and the trackstick just emits normal | |
1473 | * PS/2 packets. | |
25bded7c | 1474 | */ |
cd401204 KC |
1475 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || |
1476 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || | |
1477 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || | |
1478 | alps_command_mode_send_nibble(psmouse, 0x9) || | |
1479 | alps_command_mode_send_nibble(psmouse, 0x4)) { | |
1480 | psmouse_err(psmouse, | |
1481 | "Error sending magic E6 sequence\n"); | |
1482 | ret = -EIO; | |
1483 | goto error; | |
25bded7c SF |
1484 | } |
1485 | ||
cd401204 KC |
1486 | /* |
1487 | * This ensures the trackstick packets are in the format | |
1488 | * supported by this driver. If bit 1 isn't set the packet | |
1489 | * format is different. | |
1490 | */ | |
d18e53fc | 1491 | if (alps_enter_command_mode(psmouse) || |
cd401204 KC |
1492 | alps_command_mode_write_reg(psmouse, |
1493 | reg_base + 0x08, 0x82) || | |
1494 | alps_exit_command_mode(psmouse)) | |
1495 | ret = -EIO; | |
25bded7c SF |
1496 | } |
1497 | ||
cd401204 KC |
1498 | error: |
1499 | if (alps_passthrough_mode_v3(psmouse, reg_base, false)) | |
1500 | ret = -EIO; | |
1501 | ||
1502 | return ret; | |
1503 | } | |
1504 | ||
1505 | static int alps_hw_init_v3(struct psmouse *psmouse) | |
1506 | { | |
1507 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1508 | int reg_val; | |
1509 | unsigned char param[4]; | |
1510 | ||
1511 | reg_val = alps_probe_trackstick_v3(psmouse, ALPS_REG_BASE_PINNACLE); | |
1512 | if (reg_val == -EIO) | |
1513 | goto error; | |
39fbe585 | 1514 | |
cd401204 KC |
1515 | if (reg_val == 0 && |
1516 | alps_setup_trackstick_v3(psmouse, ALPS_REG_BASE_PINNACLE) == -EIO) | |
1517 | goto error; | |
1518 | ||
d18e53fc | 1519 | if (alps_enter_command_mode(psmouse) || |
cd401204 | 1520 | alps_absolute_mode_v3(psmouse)) { |
25bded7c SF |
1521 | psmouse_err(psmouse, "Failed to enter absolute mode\n"); |
1522 | goto error; | |
1523 | } | |
1524 | ||
1525 | reg_val = alps_command_mode_read_reg(psmouse, 0x0006); | |
1526 | if (reg_val == -1) | |
1527 | goto error; | |
1528 | if (__alps_command_mode_write_reg(psmouse, reg_val | 0x01)) | |
1529 | goto error; | |
1530 | ||
1531 | reg_val = alps_command_mode_read_reg(psmouse, 0x0007); | |
1532 | if (reg_val == -1) | |
1533 | goto error; | |
1534 | if (__alps_command_mode_write_reg(psmouse, reg_val | 0x01)) | |
1535 | goto error; | |
1536 | ||
1537 | if (alps_command_mode_read_reg(psmouse, 0x0144) == -1) | |
1538 | goto error; | |
1539 | if (__alps_command_mode_write_reg(psmouse, 0x04)) | |
1540 | goto error; | |
1541 | ||
1542 | if (alps_command_mode_read_reg(psmouse, 0x0159) == -1) | |
1543 | goto error; | |
1544 | if (__alps_command_mode_write_reg(psmouse, 0x03)) | |
1545 | goto error; | |
1546 | ||
1547 | if (alps_command_mode_read_reg(psmouse, 0x0163) == -1) | |
1548 | goto error; | |
1549 | if (alps_command_mode_write_reg(psmouse, 0x0163, 0x03)) | |
1550 | goto error; | |
1551 | ||
1552 | if (alps_command_mode_read_reg(psmouse, 0x0162) == -1) | |
1553 | goto error; | |
1554 | if (alps_command_mode_write_reg(psmouse, 0x0162, 0x04)) | |
1555 | goto error; | |
1556 | ||
25bded7c SF |
1557 | alps_exit_command_mode(psmouse); |
1558 | ||
1559 | /* Set rate and enable data reporting */ | |
1560 | param[0] = 0x64; | |
1561 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE) || | |
1562 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) { | |
1563 | psmouse_err(psmouse, "Failed to enable data reporting\n"); | |
1564 | return -1; | |
1565 | } | |
1566 | ||
1567 | return 0; | |
1568 | ||
25bded7c SF |
1569 | error: |
1570 | /* | |
1571 | * Leaving the touchpad in command mode will essentially render | |
1572 | * it unusable until the machine reboots, so exit it here just | |
1573 | * to be safe | |
1574 | */ | |
1575 | alps_exit_command_mode(psmouse); | |
1576 | return -1; | |
1577 | } | |
1578 | ||
1302bac3 KC |
1579 | static int alps_hw_init_rushmore_v3(struct psmouse *psmouse) |
1580 | { | |
cd401204 | 1581 | struct alps_data *priv = psmouse->private; |
1302bac3 KC |
1582 | struct ps2dev *ps2dev = &psmouse->ps2dev; |
1583 | int reg_val, ret = -1; | |
1584 | ||
cd401204 KC |
1585 | if (priv->flags & ALPS_DUALPOINT) { |
1586 | reg_val = alps_setup_trackstick_v3(psmouse, | |
1587 | ALPS_REG_BASE_RUSHMORE); | |
1588 | if (reg_val == -EIO) | |
1589 | goto error; | |
1590 | if (reg_val == -ENODEV) | |
1591 | priv->flags &= ~ALPS_DUALPOINT; | |
1592 | } | |
1593 | ||
d18e53fc | 1594 | if (alps_enter_command_mode(psmouse) || |
1302bac3 KC |
1595 | alps_command_mode_read_reg(psmouse, 0xc2d9) == -1 || |
1596 | alps_command_mode_write_reg(psmouse, 0xc2cb, 0x00)) | |
1597 | goto error; | |
1598 | ||
1599 | reg_val = alps_command_mode_read_reg(psmouse, 0xc2c6); | |
1600 | if (reg_val == -1) | |
1601 | goto error; | |
1602 | if (__alps_command_mode_write_reg(psmouse, reg_val & 0xfd)) | |
1603 | goto error; | |
1604 | ||
1605 | if (alps_command_mode_write_reg(psmouse, 0xc2c9, 0x64)) | |
1606 | goto error; | |
1607 | ||
1608 | /* enter absolute mode */ | |
1609 | reg_val = alps_command_mode_read_reg(psmouse, 0xc2c4); | |
1610 | if (reg_val == -1) | |
1611 | goto error; | |
1612 | if (__alps_command_mode_write_reg(psmouse, reg_val | 0x02)) | |
1613 | goto error; | |
1614 | ||
1615 | alps_exit_command_mode(psmouse); | |
1616 | return ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE); | |
1617 | ||
1618 | error: | |
1619 | alps_exit_command_mode(psmouse); | |
1620 | return ret; | |
1621 | } | |
1622 | ||
25bded7c SF |
1623 | /* Must be in command mode when calling this function */ |
1624 | static int alps_absolute_mode_v4(struct psmouse *psmouse) | |
1625 | { | |
1626 | int reg_val; | |
1627 | ||
1628 | reg_val = alps_command_mode_read_reg(psmouse, 0x0004); | |
1629 | if (reg_val == -1) | |
1630 | return -1; | |
1631 | ||
1632 | reg_val |= 0x02; | |
1633 | if (__alps_command_mode_write_reg(psmouse, reg_val)) | |
1634 | return -1; | |
1635 | ||
1636 | return 0; | |
1637 | } | |
1638 | ||
1639 | static int alps_hw_init_v4(struct psmouse *psmouse) | |
1640 | { | |
25bded7c SF |
1641 | struct ps2dev *ps2dev = &psmouse->ps2dev; |
1642 | unsigned char param[4]; | |
1643 | ||
d18e53fc | 1644 | if (alps_enter_command_mode(psmouse)) |
25bded7c SF |
1645 | goto error; |
1646 | ||
1647 | if (alps_absolute_mode_v4(psmouse)) { | |
1648 | psmouse_err(psmouse, "Failed to enter absolute mode\n"); | |
1649 | goto error; | |
1650 | } | |
1651 | ||
1652 | if (alps_command_mode_write_reg(psmouse, 0x0007, 0x8c)) | |
1653 | goto error; | |
1654 | ||
1655 | if (alps_command_mode_write_reg(psmouse, 0x0149, 0x03)) | |
1656 | goto error; | |
1657 | ||
1658 | if (alps_command_mode_write_reg(psmouse, 0x0160, 0x03)) | |
1659 | goto error; | |
1660 | ||
1661 | if (alps_command_mode_write_reg(psmouse, 0x017f, 0x15)) | |
1662 | goto error; | |
1663 | ||
1664 | if (alps_command_mode_write_reg(psmouse, 0x0151, 0x01)) | |
1665 | goto error; | |
1666 | ||
1667 | if (alps_command_mode_write_reg(psmouse, 0x0168, 0x03)) | |
1668 | goto error; | |
1669 | ||
1670 | if (alps_command_mode_write_reg(psmouse, 0x014a, 0x03)) | |
1671 | goto error; | |
1672 | ||
1673 | if (alps_command_mode_write_reg(psmouse, 0x0161, 0x03)) | |
1674 | goto error; | |
1675 | ||
1676 | alps_exit_command_mode(psmouse); | |
1677 | ||
1678 | /* | |
1679 | * This sequence changes the output from a 9-byte to an | |
1680 | * 8-byte format. All the same data seems to be present, | |
1681 | * just in a more compact format. | |
1682 | */ | |
1683 | param[0] = 0xc8; | |
1684 | param[1] = 0x64; | |
1685 | param[2] = 0x50; | |
1686 | if (ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || | |
1687 | ps2_command(ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE) || | |
1688 | ps2_command(ps2dev, ¶m[2], PSMOUSE_CMD_SETRATE) || | |
1689 | ps2_command(ps2dev, param, PSMOUSE_CMD_GETID)) | |
1690 | return -1; | |
1691 | ||
1692 | /* Set rate and enable data reporting */ | |
1693 | param[0] = 0x64; | |
1694 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE) || | |
1695 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) { | |
1696 | psmouse_err(psmouse, "Failed to enable data reporting\n"); | |
1697 | return -1; | |
1698 | } | |
1699 | ||
1700 | return 0; | |
1701 | ||
1702 | error: | |
1703 | /* | |
1704 | * Leaving the touchpad in command mode will essentially render | |
1705 | * it unusable until the machine reboots, so exit it here just | |
1706 | * to be safe | |
1707 | */ | |
1708 | alps_exit_command_mode(psmouse); | |
1709 | return -1; | |
1710 | } | |
1711 | ||
75af9e56 DT |
1712 | static int alps_hw_init_dolphin_v1(struct psmouse *psmouse) |
1713 | { | |
1714 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1715 | unsigned char param[2]; | |
1716 | ||
1717 | /* This is dolphin "v1" as empirically defined by florin9doi */ | |
1718 | param[0] = 0x64; | |
1719 | param[1] = 0x28; | |
1720 | ||
1721 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) || | |
1722 | ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || | |
1723 | ps2_command(ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE)) | |
1724 | return -1; | |
1725 | ||
1726 | return 0; | |
1727 | } | |
1728 | ||
24af5cb9 | 1729 | static void alps_set_defaults(struct alps_data *priv) |
25bded7c | 1730 | { |
f673ceb1 KC |
1731 | priv->byte0 = 0x8f; |
1732 | priv->mask0 = 0x8f; | |
1733 | priv->flags = ALPS_DUALPOINT; | |
1734 | ||
7a9f73e7 KC |
1735 | priv->x_max = 2000; |
1736 | priv->y_max = 1400; | |
1737 | priv->x_bits = 15; | |
1738 | priv->y_bits = 11; | |
1739 | ||
99df65e7 | 1740 | switch (priv->proto_version) { |
25bded7c SF |
1741 | case ALPS_PROTO_V1: |
1742 | case ALPS_PROTO_V2: | |
24af5cb9 KC |
1743 | priv->hw_init = alps_hw_init_v1_v2; |
1744 | priv->process_packet = alps_process_packet_v1_v2; | |
1745 | priv->set_abs_params = alps_set_abs_params_st; | |
95f75e91 YT |
1746 | priv->x_max = 1023; |
1747 | priv->y_max = 767; | |
25bded7c SF |
1748 | break; |
1749 | case ALPS_PROTO_V3: | |
24af5cb9 KC |
1750 | priv->hw_init = alps_hw_init_v3; |
1751 | priv->process_packet = alps_process_packet_v3; | |
1752 | priv->set_abs_params = alps_set_abs_params_mt; | |
f85e5001 | 1753 | priv->decode_fields = alps_decode_pinnacle; |
50e8b216 KC |
1754 | priv->nibble_commands = alps_v3_nibble_commands; |
1755 | priv->addr_command = PSMOUSE_CMD_RESET_WRAP; | |
25bded7c SF |
1756 | break; |
1757 | case ALPS_PROTO_V4: | |
24af5cb9 KC |
1758 | priv->hw_init = alps_hw_init_v4; |
1759 | priv->process_packet = alps_process_packet_v4; | |
1760 | priv->set_abs_params = alps_set_abs_params_mt; | |
50e8b216 KC |
1761 | priv->nibble_commands = alps_v4_nibble_commands; |
1762 | priv->addr_command = PSMOUSE_CMD_DISABLE; | |
25bded7c | 1763 | break; |
75af9e56 DT |
1764 | case ALPS_PROTO_V5: |
1765 | priv->hw_init = alps_hw_init_dolphin_v1; | |
1766 | priv->process_packet = alps_process_packet_v3; | |
1767 | priv->decode_fields = alps_decode_dolphin; | |
1768 | priv->set_abs_params = alps_set_abs_params_mt; | |
1769 | priv->nibble_commands = alps_v3_nibble_commands; | |
1770 | priv->addr_command = PSMOUSE_CMD_RESET_WRAP; | |
1771 | priv->byte0 = 0xc8; | |
1772 | priv->mask0 = 0xc8; | |
1773 | priv->flags = 0; | |
1774 | priv->x_max = 1360; | |
1775 | priv->y_max = 660; | |
1776 | priv->x_bits = 23; | |
1777 | priv->y_bits = 12; | |
1778 | break; | |
95f75e91 YT |
1779 | case ALPS_PROTO_V6: |
1780 | priv->hw_init = alps_hw_init_v6; | |
1781 | priv->process_packet = alps_process_packet_v6; | |
1782 | priv->set_abs_params = alps_set_abs_params_st; | |
1783 | priv->nibble_commands = alps_v6_nibble_commands; | |
1784 | priv->x_max = 2047; | |
1785 | priv->y_max = 1535; | |
1786 | break; | |
25bded7c | 1787 | } |
25bded7c SF |
1788 | } |
1789 | ||
b5d6b851 KC |
1790 | static int alps_match_table(struct psmouse *psmouse, struct alps_data *priv, |
1791 | unsigned char *e7, unsigned char *ec) | |
2e992cc0 | 1792 | { |
b5d6b851 | 1793 | const struct alps_model_info *model; |
2e992cc0 KC |
1794 | int i; |
1795 | ||
b5d6b851 KC |
1796 | for (i = 0; i < ARRAY_SIZE(alps_model_data); i++) { |
1797 | model = &alps_model_data[i]; | |
1798 | ||
1799 | if (!memcmp(e7, model->signature, sizeof(model->signature)) && | |
1800 | (!model->command_mode_resp || | |
1801 | model->command_mode_resp == ec[2])) { | |
1802 | ||
1803 | priv->proto_version = model->proto_version; | |
24af5cb9 KC |
1804 | alps_set_defaults(priv); |
1805 | ||
b5d6b851 KC |
1806 | priv->flags = model->flags; |
1807 | priv->byte0 = model->byte0; | |
1808 | priv->mask0 = model->mask0; | |
1809 | ||
1810 | return 0; | |
1811 | } | |
1812 | } | |
1813 | ||
1814 | return -EINVAL; | |
1815 | } | |
1816 | ||
1817 | static int alps_identify(struct psmouse *psmouse, struct alps_data *priv) | |
1818 | { | |
1819 | unsigned char e6[4], e7[4], ec[4]; | |
1820 | ||
2e992cc0 KC |
1821 | /* |
1822 | * First try "E6 report". | |
1823 | * ALPS should return 0,0,10 or 0,0,100 if no buttons are pressed. | |
1824 | * The bits 0-2 of the first byte will be 1s if some buttons are | |
1825 | * pressed. | |
1826 | */ | |
b5d6b851 KC |
1827 | if (alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES, |
1828 | PSMOUSE_CMD_SETSCALE11, e6)) | |
1829 | return -EIO; | |
2e992cc0 | 1830 | |
b5d6b851 KC |
1831 | if ((e6[0] & 0xf8) != 0 || e6[1] != 0 || (e6[2] != 10 && e6[2] != 100)) |
1832 | return -EINVAL; | |
2e992cc0 KC |
1833 | |
1834 | /* | |
b5d6b851 KC |
1835 | * Now get the "E7" and "EC" reports. These will uniquely identify |
1836 | * most ALPS touchpads. | |
2e992cc0 | 1837 | */ |
b5d6b851 KC |
1838 | if (alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES, |
1839 | PSMOUSE_CMD_SETSCALE21, e7) || | |
1840 | alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES, | |
1841 | PSMOUSE_CMD_RESET_WRAP, ec) || | |
1842 | alps_exit_command_mode(psmouse)) | |
1843 | return -EIO; | |
2e992cc0 | 1844 | |
f673ceb1 | 1845 | if (alps_match_table(psmouse, priv, e7, ec) == 0) { |
75af9e56 DT |
1846 | return 0; |
1847 | } else if (e7[0] == 0x73 && e7[1] == 0x03 && e7[2] == 0x50 && | |
1848 | ec[0] == 0x73 && ec[1] == 0x01) { | |
1849 | priv->proto_version = ALPS_PROTO_V5; | |
1850 | alps_set_defaults(priv); | |
1851 | ||
1302bac3 KC |
1852 | return 0; |
1853 | } else if (ec[0] == 0x88 && ec[1] == 0x08) { | |
1854 | priv->proto_version = ALPS_PROTO_V3; | |
1855 | alps_set_defaults(priv); | |
1856 | ||
1857 | priv->hw_init = alps_hw_init_rushmore_v3; | |
1858 | priv->decode_fields = alps_decode_rushmore; | |
1859 | priv->x_bits = 16; | |
1860 | priv->y_bits = 12; | |
1861 | ||
cd401204 KC |
1862 | /* hack to make addr_command, nibble_command available */ |
1863 | psmouse->private = priv; | |
1864 | ||
1865 | if (alps_probe_trackstick_v3(psmouse, ALPS_REG_BASE_RUSHMORE)) | |
1866 | priv->flags &= ~ALPS_DUALPOINT; | |
1867 | ||
f673ceb1 KC |
1868 | return 0; |
1869 | } else if (ec[0] == 0x88 && ec[1] == 0x07 && | |
1870 | ec[2] >= 0x90 && ec[2] <= 0x9d) { | |
1871 | priv->proto_version = ALPS_PROTO_V3; | |
1872 | alps_set_defaults(priv); | |
1873 | ||
b5d6b851 | 1874 | return 0; |
f673ceb1 | 1875 | } |
2e992cc0 | 1876 | |
b5d6b851 | 1877 | psmouse_info(psmouse, |
39fbe585 | 1878 | "Unknown ALPS touchpad: E7=%3ph, EC=%3ph\n", e7, ec); |
2e992cc0 | 1879 | |
b5d6b851 | 1880 | return -EINVAL; |
2e992cc0 KC |
1881 | } |
1882 | ||
1e0c5b12 DT |
1883 | static int alps_reconnect(struct psmouse *psmouse) |
1884 | { | |
b5d6b851 | 1885 | struct alps_data *priv = psmouse->private; |
71bb21b6 | 1886 | |
1e0c5b12 DT |
1887 | psmouse_reset(psmouse); |
1888 | ||
b5d6b851 | 1889 | if (alps_identify(psmouse, priv) < 0) |
1e0c5b12 DT |
1890 | return -1; |
1891 | ||
24af5cb9 | 1892 | return priv->hw_init(psmouse); |
1da177e4 LT |
1893 | } |
1894 | ||
1895 | static void alps_disconnect(struct psmouse *psmouse) | |
1896 | { | |
1897 | struct alps_data *priv = psmouse->private; | |
2e5b636b | 1898 | |
1da177e4 | 1899 | psmouse_reset(psmouse); |
1d9f2626 | 1900 | del_timer_sync(&priv->timer); |
2e5b636b | 1901 | input_unregister_device(priv->dev2); |
1da177e4 LT |
1902 | kfree(priv); |
1903 | } | |
1904 | ||
24af5cb9 KC |
1905 | static void alps_set_abs_params_st(struct alps_data *priv, |
1906 | struct input_dev *dev1) | |
1907 | { | |
95f75e91 YT |
1908 | input_set_abs_params(dev1, ABS_X, 0, priv->x_max, 0, 0); |
1909 | input_set_abs_params(dev1, ABS_Y, 0, priv->y_max, 0, 0); | |
24af5cb9 KC |
1910 | } |
1911 | ||
1912 | static void alps_set_abs_params_mt(struct alps_data *priv, | |
1913 | struct input_dev *dev1) | |
1914 | { | |
1915 | set_bit(INPUT_PROP_SEMI_MT, dev1->propbit); | |
1916 | input_mt_init_slots(dev1, 2, 0); | |
7a9f73e7 KC |
1917 | input_set_abs_params(dev1, ABS_MT_POSITION_X, 0, priv->x_max, 0, 0); |
1918 | input_set_abs_params(dev1, ABS_MT_POSITION_Y, 0, priv->y_max, 0, 0); | |
24af5cb9 KC |
1919 | |
1920 | set_bit(BTN_TOOL_DOUBLETAP, dev1->keybit); | |
1921 | set_bit(BTN_TOOL_TRIPLETAP, dev1->keybit); | |
1922 | set_bit(BTN_TOOL_QUADTAP, dev1->keybit); | |
1923 | ||
7a9f73e7 KC |
1924 | input_set_abs_params(dev1, ABS_X, 0, priv->x_max, 0, 0); |
1925 | input_set_abs_params(dev1, ABS_Y, 0, priv->y_max, 0, 0); | |
24af5cb9 KC |
1926 | } |
1927 | ||
1da177e4 LT |
1928 | int alps_init(struct psmouse *psmouse) |
1929 | { | |
1930 | struct alps_data *priv; | |
2e5b636b | 1931 | struct input_dev *dev1 = psmouse->dev, *dev2; |
1da177e4 | 1932 | |
f42649e8 | 1933 | priv = kzalloc(sizeof(struct alps_data), GFP_KERNEL); |
2e5b636b DT |
1934 | dev2 = input_allocate_device(); |
1935 | if (!priv || !dev2) | |
1da177e4 | 1936 | goto init_fail; |
2e5b636b DT |
1937 | |
1938 | priv->dev2 = dev2; | |
1d9f2626 SK |
1939 | setup_timer(&priv->timer, alps_flush_packet, (unsigned long)psmouse); |
1940 | ||
1e0c5b12 | 1941 | psmouse->private = priv; |
1da177e4 | 1942 | |
25bded7c SF |
1943 | psmouse_reset(psmouse); |
1944 | ||
b5d6b851 | 1945 | if (alps_identify(psmouse, priv) < 0) |
71bb21b6 ML |
1946 | goto init_fail; |
1947 | ||
24af5cb9 | 1948 | if (priv->hw_init(psmouse)) |
1da177e4 LT |
1949 | goto init_fail; |
1950 | ||
7105d2ea DT |
1951 | /* |
1952 | * Undo part of setup done for us by psmouse core since touchpad | |
1953 | * is not a relative device. | |
1954 | */ | |
1955 | __clear_bit(EV_REL, dev1->evbit); | |
1956 | __clear_bit(REL_X, dev1->relbit); | |
1957 | __clear_bit(REL_Y, dev1->relbit); | |
1958 | ||
1959 | /* | |
1960 | * Now set up our capabilities. | |
1961 | */ | |
7b19ada2 JS |
1962 | dev1->evbit[BIT_WORD(EV_KEY)] |= BIT_MASK(EV_KEY); |
1963 | dev1->keybit[BIT_WORD(BTN_TOUCH)] |= BIT_MASK(BTN_TOUCH); | |
1964 | dev1->keybit[BIT_WORD(BTN_TOOL_FINGER)] |= BIT_MASK(BTN_TOOL_FINGER); | |
71bb21b6 ML |
1965 | dev1->keybit[BIT_WORD(BTN_LEFT)] |= |
1966 | BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_RIGHT); | |
1da177e4 | 1967 | |
7b19ada2 | 1968 | dev1->evbit[BIT_WORD(EV_ABS)] |= BIT_MASK(EV_ABS); |
25bded7c | 1969 | |
24af5cb9 | 1970 | priv->set_abs_params(priv, dev1); |
2e5b636b | 1971 | input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0); |
1da177e4 | 1972 | |
99df65e7 | 1973 | if (priv->flags & ALPS_WHEEL) { |
7b19ada2 JS |
1974 | dev1->evbit[BIT_WORD(EV_REL)] |= BIT_MASK(EV_REL); |
1975 | dev1->relbit[BIT_WORD(REL_WHEEL)] |= BIT_MASK(REL_WHEEL); | |
1da177e4 LT |
1976 | } |
1977 | ||
99df65e7 | 1978 | if (priv->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) { |
7b19ada2 JS |
1979 | dev1->keybit[BIT_WORD(BTN_FORWARD)] |= BIT_MASK(BTN_FORWARD); |
1980 | dev1->keybit[BIT_WORD(BTN_BACK)] |= BIT_MASK(BTN_BACK); | |
1da177e4 LT |
1981 | } |
1982 | ||
99df65e7 | 1983 | if (priv->flags & ALPS_FOUR_BUTTONS) { |
71bb21b6 ML |
1984 | dev1->keybit[BIT_WORD(BTN_0)] |= BIT_MASK(BTN_0); |
1985 | dev1->keybit[BIT_WORD(BTN_1)] |= BIT_MASK(BTN_1); | |
1986 | dev1->keybit[BIT_WORD(BTN_2)] |= BIT_MASK(BTN_2); | |
1987 | dev1->keybit[BIT_WORD(BTN_3)] |= BIT_MASK(BTN_3); | |
1988 | } else { | |
1989 | dev1->keybit[BIT_WORD(BTN_MIDDLE)] |= BIT_MASK(BTN_MIDDLE); | |
1990 | } | |
1991 | ||
08ffce45 | 1992 | snprintf(priv->phys, sizeof(priv->phys), "%s/input1", psmouse->ps2dev.serio->phys); |
2e5b636b | 1993 | dev2->phys = priv->phys; |
99df65e7 | 1994 | dev2->name = (priv->flags & ALPS_DUALPOINT) ? |
9354f263 | 1995 | "DualPoint Stick" : "ALPS PS/2 Device"; |
2e5b636b DT |
1996 | dev2->id.bustype = BUS_I8042; |
1997 | dev2->id.vendor = 0x0002; | |
1998 | dev2->id.product = PSMOUSE_ALPS; | |
1999 | dev2->id.version = 0x0000; | |
1db3a345 | 2000 | dev2->dev.parent = &psmouse->ps2dev.serio->dev; |
1da177e4 | 2001 | |
7b19ada2 | 2002 | dev2->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); |
71bb21b6 ML |
2003 | dev2->relbit[BIT_WORD(REL_X)] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); |
2004 | dev2->keybit[BIT_WORD(BTN_LEFT)] = | |
2005 | BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); | |
1da177e4 | 2006 | |
f42649e8 DT |
2007 | if (input_register_device(priv->dev2)) |
2008 | goto init_fail; | |
1da177e4 LT |
2009 | |
2010 | psmouse->protocol_handler = alps_process_byte; | |
f0d5c6f4 | 2011 | psmouse->poll = alps_poll; |
1da177e4 LT |
2012 | psmouse->disconnect = alps_disconnect; |
2013 | psmouse->reconnect = alps_reconnect; | |
99df65e7 | 2014 | psmouse->pktsize = priv->proto_version == ALPS_PROTO_V4 ? 8 : 6; |
1da177e4 | 2015 | |
f0d5c6f4 DT |
2016 | /* We are having trouble resyncing ALPS touchpads so disable it for now */ |
2017 | psmouse->resync_time = 0; | |
2018 | ||
1da177e4 LT |
2019 | return 0; |
2020 | ||
2021 | init_fail: | |
f42649e8 | 2022 | psmouse_reset(psmouse); |
2e5b636b | 2023 | input_free_device(dev2); |
1da177e4 | 2024 | kfree(priv); |
1e0c5b12 | 2025 | psmouse->private = NULL; |
1da177e4 LT |
2026 | return -1; |
2027 | } | |
2028 | ||
b7802c5c | 2029 | int alps_detect(struct psmouse *psmouse, bool set_properties) |
1da177e4 | 2030 | { |
b5d6b851 | 2031 | struct alps_data dummy; |
1da177e4 | 2032 | |
b5d6b851 | 2033 | if (alps_identify(psmouse, &dummy) < 0) |
1da177e4 LT |
2034 | return -1; |
2035 | ||
2036 | if (set_properties) { | |
2037 | psmouse->vendor = "ALPS"; | |
b5d6b851 | 2038 | psmouse->name = dummy.flags & ALPS_DUALPOINT ? |
968ac842 | 2039 | "DualPoint TouchPad" : "GlidePoint"; |
b5d6b851 | 2040 | psmouse->model = dummy.proto_version << 8; |
1da177e4 LT |
2041 | } |
2042 | return 0; | |
2043 | } | |
2044 |