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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 */ | |
3808843c | 102 | #define ALPS_BUTTONPAD 0x200 /* device is a clickpad */ |
1da177e4 | 103 | |
e38de678 | 104 | static const struct alps_model_info alps_model_data[] = { |
25bded7c SF |
105 | { { 0x32, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* Toshiba Salellite Pro M10 */ |
106 | { { 0x33, 0x02, 0x0a }, 0x00, ALPS_PROTO_V1, 0x88, 0xf8, 0 }, /* UMAX-530T */ | |
107 | { { 0x53, 0x02, 0x0a }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, | |
108 | { { 0x53, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, | |
109 | { { 0x60, 0x03, 0xc8 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, /* HP ze1115 */ | |
110 | { { 0x63, 0x02, 0x0a }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, | |
111 | { { 0x63, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, | |
112 | { { 0x63, 0x02, 0x28 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Fujitsu Siemens S6010 */ | |
113 | { { 0x63, 0x02, 0x3c }, 0x00, ALPS_PROTO_V2, 0x8f, 0x8f, ALPS_WHEEL }, /* Toshiba Satellite S2400-103 */ | |
114 | { { 0x63, 0x02, 0x50 }, 0x00, ALPS_PROTO_V2, 0xef, 0xef, ALPS_FW_BK_1 }, /* NEC Versa L320 */ | |
115 | { { 0x63, 0x02, 0x64 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, | |
116 | { { 0x63, 0x03, 0xc8 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D800 */ | |
117 | { { 0x73, 0x00, 0x0a }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_DUALPOINT }, /* ThinkPad R61 8918-5QG */ | |
118 | { { 0x73, 0x02, 0x0a }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, 0 }, | |
119 | { { 0x73, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_FW_BK_2 }, /* Ahtec Laptop */ | |
120 | { { 0x20, 0x02, 0x0e }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* XXX */ | |
121 | { { 0x22, 0x02, 0x0a }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, | |
122 | { { 0x22, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D600 */ | |
1d9f2626 | 123 | /* Dell Latitude E5500, E6400, E6500, Precision M4400 */ |
25bded7c | 124 | { { 0x62, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xcf, 0xcf, |
1d9f2626 | 125 | ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED }, |
95f75e91 | 126 | { { 0x73, 0x00, 0x14 }, 0x00, ALPS_PROTO_V6, 0xff, 0xff, ALPS_DUALPOINT }, /* Dell XT2 */ |
25bded7c SF |
127 | { { 0x73, 0x02, 0x50 }, 0x00, ALPS_PROTO_V2, 0xcf, 0xcf, ALPS_FOUR_BUTTONS }, /* Dell Vostro 1400 */ |
128 | { { 0x52, 0x01, 0x14 }, 0x00, ALPS_PROTO_V2, 0xff, 0xff, | |
129 | ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED }, /* Toshiba Tecra A11-11L */ | |
25bded7c | 130 | { { 0x73, 0x02, 0x64 }, 0x8a, ALPS_PROTO_V4, 0x8f, 0x8f, 0 }, |
1da177e4 LT |
131 | }; |
132 | ||
24af5cb9 KC |
133 | static void alps_set_abs_params_st(struct alps_data *priv, |
134 | struct input_dev *dev1); | |
135 | static void alps_set_abs_params_mt(struct alps_data *priv, | |
136 | struct input_dev *dev1); | |
137 | ||
1da177e4 LT |
138 | /* |
139 | * XXX - this entry is suspicious. First byte has zero lower nibble, | |
140 | * which is what a normal mouse would report. Also, the value 0x0e | |
141 | * isn't valid per PS/2 spec. | |
142 | */ | |
143 | ||
d4b347b2 | 144 | /* Packet formats are described in Documentation/input/alps.txt */ |
1da177e4 | 145 | |
99df65e7 | 146 | static bool alps_is_valid_first_byte(struct alps_data *priv, |
1d9f2626 SK |
147 | unsigned char data) |
148 | { | |
99df65e7 | 149 | return (data & priv->mask0) == priv->byte0; |
1d9f2626 SK |
150 | } |
151 | ||
152 | static void alps_report_buttons(struct psmouse *psmouse, | |
153 | struct input_dev *dev1, struct input_dev *dev2, | |
154 | int left, int right, int middle) | |
155 | { | |
c91ed059 MB |
156 | struct input_dev *dev; |
157 | ||
158 | /* | |
159 | * If shared button has already been reported on the | |
160 | * other device (dev2) then this event should be also | |
161 | * sent through that device. | |
162 | */ | |
163 | dev = test_bit(BTN_LEFT, dev2->key) ? dev2 : dev1; | |
164 | input_report_key(dev, BTN_LEFT, left); | |
165 | ||
166 | dev = test_bit(BTN_RIGHT, dev2->key) ? dev2 : dev1; | |
167 | input_report_key(dev, BTN_RIGHT, right); | |
168 | ||
169 | dev = test_bit(BTN_MIDDLE, dev2->key) ? dev2 : dev1; | |
170 | input_report_key(dev, BTN_MIDDLE, middle); | |
171 | ||
172 | /* | |
173 | * Sync the _other_ device now, we'll do the first | |
174 | * device later once we report the rest of the events. | |
175 | */ | |
176 | input_sync(dev2); | |
1d9f2626 SK |
177 | } |
178 | ||
25bded7c | 179 | static void alps_process_packet_v1_v2(struct psmouse *psmouse) |
1da177e4 LT |
180 | { |
181 | struct alps_data *priv = psmouse->private; | |
182 | unsigned char *packet = psmouse->packet; | |
2e5b636b DT |
183 | struct input_dev *dev = psmouse->dev; |
184 | struct input_dev *dev2 = priv->dev2; | |
1da177e4 | 185 | int x, y, z, ges, fin, left, right, middle; |
c30b4c10 | 186 | int back = 0, forward = 0; |
1da177e4 | 187 | |
99df65e7 | 188 | if (priv->proto_version == ALPS_PROTO_V1) { |
d2f4012f YM |
189 | left = packet[2] & 0x10; |
190 | right = packet[2] & 0x08; | |
1da177e4 LT |
191 | middle = 0; |
192 | x = packet[1] | ((packet[0] & 0x07) << 7); | |
193 | y = packet[4] | ((packet[3] & 0x07) << 7); | |
194 | z = packet[5]; | |
195 | } else { | |
196 | left = packet[3] & 1; | |
197 | right = packet[3] & 2; | |
198 | middle = packet[3] & 4; | |
199 | x = packet[1] | ((packet[2] & 0x78) << (7 - 3)); | |
200 | y = packet[4] | ((packet[3] & 0x70) << (7 - 4)); | |
201 | z = packet[5]; | |
202 | } | |
203 | ||
99df65e7 | 204 | if (priv->flags & ALPS_FW_BK_1) { |
3c00bb96 LK |
205 | back = packet[0] & 0x10; |
206 | forward = packet[2] & 4; | |
c30b4c10 ICR |
207 | } |
208 | ||
99df65e7 | 209 | if (priv->flags & ALPS_FW_BK_2) { |
c30b4c10 ICR |
210 | back = packet[3] & 4; |
211 | forward = packet[2] & 4; | |
212 | if ((middle = forward && back)) | |
213 | forward = back = 0; | |
214 | } | |
215 | ||
1da177e4 LT |
216 | ges = packet[2] & 1; |
217 | fin = packet[2] & 2; | |
218 | ||
99df65e7 | 219 | if ((priv->flags & ALPS_DUALPOINT) && z == 127) { |
1da177e4 LT |
220 | input_report_rel(dev2, REL_X, (x > 383 ? (x - 768) : x)); |
221 | input_report_rel(dev2, REL_Y, -(y > 255 ? (y - 512) : y)); | |
d7ed5d88 | 222 | |
1d9f2626 | 223 | alps_report_buttons(psmouse, dev2, dev, left, right, middle); |
d7ed5d88 | 224 | |
1da177e4 LT |
225 | input_sync(dev2); |
226 | return; | |
227 | } | |
228 | ||
1d9f2626 | 229 | alps_report_buttons(psmouse, dev, dev2, left, right, middle); |
d7ed5d88 | 230 | |
1da177e4 | 231 | /* Convert hardware tap to a reasonable Z value */ |
71bb21b6 ML |
232 | if (ges && !fin) |
233 | z = 40; | |
1da177e4 LT |
234 | |
235 | /* | |
236 | * A "tap and drag" operation is reported by the hardware as a transition | |
237 | * from (!fin && ges) to (fin && ges). This should be translated to the | |
238 | * sequence Z>0, Z==0, Z>0, so the Z==0 event has to be generated manually. | |
239 | */ | |
240 | if (ges && fin && !priv->prev_fin) { | |
241 | input_report_abs(dev, ABS_X, x); | |
242 | input_report_abs(dev, ABS_Y, y); | |
243 | input_report_abs(dev, ABS_PRESSURE, 0); | |
244 | input_report_key(dev, BTN_TOOL_FINGER, 0); | |
245 | input_sync(dev); | |
246 | } | |
247 | priv->prev_fin = fin; | |
248 | ||
71bb21b6 ML |
249 | if (z > 30) |
250 | input_report_key(dev, BTN_TOUCH, 1); | |
251 | if (z < 25) | |
252 | input_report_key(dev, BTN_TOUCH, 0); | |
1da177e4 LT |
253 | |
254 | if (z > 0) { | |
255 | input_report_abs(dev, ABS_X, x); | |
256 | input_report_abs(dev, ABS_Y, y); | |
257 | } | |
258 | ||
259 | input_report_abs(dev, ABS_PRESSURE, z); | |
260 | input_report_key(dev, BTN_TOOL_FINGER, z > 0); | |
261 | ||
99df65e7 | 262 | if (priv->flags & ALPS_WHEEL) |
e6c047b9 | 263 | input_report_rel(dev, REL_WHEEL, ((packet[2] << 1) & 0x08) - ((packet[0] >> 4) & 0x07)); |
1da177e4 | 264 | |
99df65e7 | 265 | if (priv->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) { |
c30b4c10 ICR |
266 | input_report_key(dev, BTN_FORWARD, forward); |
267 | input_report_key(dev, BTN_BACK, back); | |
1da177e4 LT |
268 | } |
269 | ||
99df65e7 | 270 | if (priv->flags & ALPS_FOUR_BUTTONS) { |
71bb21b6 ML |
271 | input_report_key(dev, BTN_0, packet[2] & 4); |
272 | input_report_key(dev, BTN_1, packet[0] & 0x10); | |
273 | input_report_key(dev, BTN_2, packet[3] & 4); | |
274 | input_report_key(dev, BTN_3, packet[0] & 0x20); | |
275 | } | |
276 | ||
1da177e4 LT |
277 | input_sync(dev); |
278 | } | |
279 | ||
ee65d4b3 YT |
280 | /* |
281 | * Process bitmap data for V5 protocols. Return value is null. | |
282 | * | |
283 | * The bitmaps don't have enough data to track fingers, so this function | |
284 | * only generates points representing a bounding box of at most two contacts. | |
02d04254 | 285 | * These two points are returned in fields->mt. |
ee65d4b3 YT |
286 | */ |
287 | static void alps_process_bitmap_dolphin(struct alps_data *priv, | |
02d04254 | 288 | struct alps_fields *fields) |
ee65d4b3 YT |
289 | { |
290 | int box_middle_x, box_middle_y; | |
291 | unsigned int x_map, y_map; | |
292 | unsigned char start_bit, end_bit; | |
293 | unsigned char x_msb, x_lsb, y_msb, y_lsb; | |
294 | ||
295 | x_map = fields->x_map; | |
296 | y_map = fields->y_map; | |
297 | ||
298 | if (!x_map || !y_map) | |
299 | return; | |
300 | ||
301 | /* Get Most-significant and Least-significant bit */ | |
302 | x_msb = fls(x_map); | |
303 | x_lsb = ffs(x_map); | |
304 | y_msb = fls(y_map); | |
305 | y_lsb = ffs(y_map); | |
306 | ||
307 | /* Most-significant bit should never exceed max sensor line number */ | |
308 | if (x_msb > priv->x_bits || y_msb > priv->y_bits) | |
309 | return; | |
310 | ||
ee65d4b3 YT |
311 | if (fields->fingers > 1) { |
312 | start_bit = priv->x_bits - x_msb; | |
313 | end_bit = priv->x_bits - x_lsb; | |
314 | box_middle_x = (priv->x_max * (start_bit + end_bit)) / | |
315 | (2 * (priv->x_bits - 1)); | |
316 | ||
317 | start_bit = y_lsb - 1; | |
318 | end_bit = y_msb - 1; | |
319 | box_middle_y = (priv->y_max * (start_bit + end_bit)) / | |
320 | (2 * (priv->y_bits - 1)); | |
02d04254 HG |
321 | fields->mt[0] = fields->st; |
322 | fields->mt[1].x = 2 * box_middle_x - fields->mt[0].x; | |
323 | fields->mt[1].y = 2 * box_middle_y - fields->mt[0].y; | |
ee65d4b3 YT |
324 | } |
325 | } | |
326 | ||
036e6c7b HG |
327 | static void alps_get_bitmap_points(unsigned int map, |
328 | struct alps_bitmap_point *low, | |
329 | struct alps_bitmap_point *high, | |
330 | int *fingers) | |
331 | { | |
332 | struct alps_bitmap_point *point; | |
333 | int i, bit, prev_bit = 0; | |
334 | ||
335 | point = low; | |
336 | for (i = 0; map != 0; i++, map >>= 1) { | |
337 | bit = map & 1; | |
338 | if (bit) { | |
339 | if (!prev_bit) { | |
340 | point->start_bit = i; | |
105affbf | 341 | point->num_bits = 0; |
036e6c7b HG |
342 | (*fingers)++; |
343 | } | |
344 | point->num_bits++; | |
345 | } else { | |
346 | if (prev_bit) | |
347 | point = high; | |
036e6c7b HG |
348 | } |
349 | prev_bit = bit; | |
350 | } | |
351 | } | |
352 | ||
01ce661f SF |
353 | /* |
354 | * Process bitmap data from v3 and v4 protocols. Returns the number of | |
355 | * fingers detected. A return value of 0 means at least one of the | |
356 | * bitmaps was empty. | |
357 | * | |
358 | * The bitmaps don't have enough data to track fingers, so this function | |
359 | * only generates points representing a bounding box of all contacts. | |
02d04254 | 360 | * These points are returned in fields->mt when the return value |
01ce661f SF |
361 | * is greater than 0. |
362 | */ | |
7a9f73e7 | 363 | static int alps_process_bitmap(struct alps_data *priv, |
02d04254 | 364 | struct alps_fields *fields) |
01ce661f | 365 | { |
036e6c7b | 366 | int i, fingers_x = 0, fingers_y = 0, fingers; |
01ce661f SF |
367 | struct alps_bitmap_point x_low = {0,}, x_high = {0,}; |
368 | struct alps_bitmap_point y_low = {0,}, y_high = {0,}; | |
01ce661f | 369 | |
02d04254 | 370 | if (!fields->x_map || !fields->y_map) |
01ce661f SF |
371 | return 0; |
372 | ||
02d04254 HG |
373 | alps_get_bitmap_points(fields->x_map, &x_low, &x_high, &fingers_x); |
374 | alps_get_bitmap_points(fields->y_map, &y_low, &y_high, &fingers_y); | |
01ce661f SF |
375 | |
376 | /* | |
377 | * Fingers can overlap, so we use the maximum count of fingers | |
378 | * on either axis as the finger count. | |
379 | */ | |
380 | fingers = max(fingers_x, fingers_y); | |
381 | ||
382 | /* | |
20bea68b HG |
383 | * If an axis reports only a single contact, we have overlapping or |
384 | * adjacent fingers. Divide the single contact between the two points. | |
01ce661f | 385 | */ |
20bea68b | 386 | if (fingers_x == 1) { |
28835f45 | 387 | i = (x_low.num_bits - 1) / 2; |
20bea68b HG |
388 | x_low.num_bits = x_low.num_bits - i; |
389 | x_high.start_bit = x_low.start_bit + i; | |
390 | x_high.num_bits = max(i, 1); | |
391 | } | |
392 | if (fingers_y == 1) { | |
28835f45 | 393 | i = (y_low.num_bits - 1) / 2; |
20bea68b HG |
394 | y_low.num_bits = y_low.num_bits - i; |
395 | y_high.start_bit = y_low.start_bit + i; | |
396 | y_high.num_bits = max(i, 1); | |
01ce661f SF |
397 | } |
398 | ||
02d04254 HG |
399 | fields->mt[0].x = |
400 | (priv->x_max * (2 * x_low.start_bit + x_low.num_bits - 1)) / | |
401 | (2 * (priv->x_bits - 1)); | |
402 | fields->mt[0].y = | |
403 | (priv->y_max * (2 * y_low.start_bit + y_low.num_bits - 1)) / | |
404 | (2 * (priv->y_bits - 1)); | |
01ce661f | 405 | |
02d04254 HG |
406 | fields->mt[1].x = |
407 | (priv->x_max * (2 * x_high.start_bit + x_high.num_bits - 1)) / | |
408 | (2 * (priv->x_bits - 1)); | |
409 | fields->mt[1].y = | |
410 | (priv->y_max * (2 * y_high.start_bit + y_high.num_bits - 1)) / | |
411 | (2 * (priv->y_bits - 1)); | |
01ce661f | 412 | |
40e8f53b | 413 | /* y-bitmap order is reversed, except on rushmore */ |
fb2dd7a6 | 414 | if (priv->proto_version != ALPS_PROTO_V3_RUSHMORE) { |
02d04254 HG |
415 | fields->mt[0].y = priv->y_max - fields->mt[0].y; |
416 | fields->mt[1].y = priv->y_max - fields->mt[1].y; | |
40e8f53b HG |
417 | } |
418 | ||
01ce661f SF |
419 | return fingers; |
420 | } | |
421 | ||
cdf333ef | 422 | static void alps_set_slot(struct input_dev *dev, int slot, int x, int y) |
01ce661f SF |
423 | { |
424 | input_mt_slot(dev, slot); | |
cdf333ef HG |
425 | input_mt_report_slot_state(dev, MT_TOOL_FINGER, true); |
426 | input_report_abs(dev, ABS_MT_POSITION_X, x); | |
427 | input_report_abs(dev, ABS_MT_POSITION_Y, y); | |
01ce661f SF |
428 | } |
429 | ||
cdf333ef | 430 | static void alps_report_mt_data(struct psmouse *psmouse, int n) |
01ce661f | 431 | { |
02d04254 HG |
432 | struct alps_data *priv = psmouse->private; |
433 | struct input_dev *dev = psmouse->dev; | |
434 | struct alps_fields *f = &priv->f; | |
cdf333ef HG |
435 | int i, slot[MAX_TOUCHES]; |
436 | ||
448c7f38 | 437 | input_mt_assign_slots(dev, slot, f->mt, n, 0); |
cdf333ef HG |
438 | for (i = 0; i < n; i++) |
439 | alps_set_slot(dev, slot[i], f->mt[i].x, f->mt[i].y); | |
02d04254 | 440 | |
cdf333ef | 441 | input_mt_sync_frame(dev); |
01ce661f SF |
442 | } |
443 | ||
68c21870 HG |
444 | static void alps_report_semi_mt_data(struct psmouse *psmouse, int fingers) |
445 | { | |
446 | struct alps_data *priv = psmouse->private; | |
447 | struct input_dev *dev = psmouse->dev; | |
448 | struct alps_fields *f = &priv->f; | |
449 | ||
450 | /* Use st data when we don't have mt data */ | |
451 | if (fingers < 2) { | |
452 | f->mt[0].x = f->st.x; | |
453 | f->mt[0].y = f->st.y; | |
454 | fingers = f->pressure > 0 ? 1 : 0; | |
455 | } | |
456 | ||
99d9996c | 457 | alps_report_mt_data(psmouse, (fingers <= 2) ? fingers : 2); |
68c21870 HG |
458 | |
459 | input_mt_report_finger_count(dev, fingers); | |
460 | ||
461 | input_report_key(dev, BTN_LEFT, f->left); | |
462 | input_report_key(dev, BTN_RIGHT, f->right); | |
463 | input_report_key(dev, BTN_MIDDLE, f->middle); | |
464 | ||
465 | input_report_abs(dev, ABS_PRESSURE, f->pressure); | |
466 | ||
467 | input_sync(dev); | |
468 | } | |
469 | ||
25bded7c SF |
470 | static void alps_process_trackstick_packet_v3(struct psmouse *psmouse) |
471 | { | |
472 | struct alps_data *priv = psmouse->private; | |
473 | unsigned char *packet = psmouse->packet; | |
474 | struct input_dev *dev = priv->dev2; | |
475 | int x, y, z, left, right, middle; | |
476 | ||
34412ba2 PR |
477 | /* It should be a DualPoint when received trackstick packet */ |
478 | if (!(priv->flags & ALPS_DUALPOINT)) { | |
479 | psmouse_warn(psmouse, | |
480 | "Rejected trackstick packet from non DualPoint device"); | |
481 | return; | |
482 | } | |
483 | ||
25bded7c SF |
484 | /* Sanity check packet */ |
485 | if (!(packet[0] & 0x40)) { | |
486 | psmouse_dbg(psmouse, "Bad trackstick packet, discarding\n"); | |
487 | return; | |
488 | } | |
489 | ||
490 | /* | |
491 | * There's a special packet that seems to indicate the end | |
492 | * of a stream of trackstick data. Filter these out. | |
493 | */ | |
494 | if (packet[1] == 0x7f && packet[2] == 0x7f && packet[4] == 0x7f) | |
495 | return; | |
496 | ||
497 | x = (s8)(((packet[0] & 0x20) << 2) | (packet[1] & 0x7f)); | |
498 | y = (s8)(((packet[0] & 0x10) << 3) | (packet[2] & 0x7f)); | |
499 | z = (packet[4] & 0x7c) >> 2; | |
500 | ||
501 | /* | |
502 | * The x and y values tend to be quite large, and when used | |
503 | * alone the trackstick is difficult to use. Scale them down | |
504 | * to compensate. | |
505 | */ | |
506 | x /= 8; | |
507 | y /= 8; | |
508 | ||
509 | input_report_rel(dev, REL_X, x); | |
510 | input_report_rel(dev, REL_Y, -y); | |
511 | ||
512 | /* | |
513 | * Most ALPS models report the trackstick buttons in the touchpad | |
514 | * packets, but a few report them here. No reliable way has been | |
515 | * found to differentiate between the models upfront, so we enable | |
516 | * the quirk in response to seeing a button press in the trackstick | |
517 | * packet. | |
518 | */ | |
519 | left = packet[3] & 0x01; | |
520 | right = packet[3] & 0x02; | |
521 | middle = packet[3] & 0x04; | |
522 | ||
523 | if (!(priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS) && | |
524 | (left || right || middle)) | |
525 | priv->quirks |= ALPS_QUIRK_TRACKSTICK_BUTTONS; | |
526 | ||
527 | if (priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS) { | |
528 | input_report_key(dev, BTN_LEFT, left); | |
529 | input_report_key(dev, BTN_RIGHT, right); | |
530 | input_report_key(dev, BTN_MIDDLE, middle); | |
531 | } | |
532 | ||
533 | input_sync(dev); | |
534 | return; | |
535 | } | |
536 | ||
f85e5001 KC |
537 | static void alps_decode_buttons_v3(struct alps_fields *f, unsigned char *p) |
538 | { | |
539 | f->left = !!(p[3] & 0x01); | |
540 | f->right = !!(p[3] & 0x02); | |
541 | f->middle = !!(p[3] & 0x04); | |
542 | ||
543 | f->ts_left = !!(p[3] & 0x10); | |
544 | f->ts_right = !!(p[3] & 0x20); | |
545 | f->ts_middle = !!(p[3] & 0x40); | |
546 | } | |
547 | ||
38c11eaa | 548 | static int alps_decode_pinnacle(struct alps_fields *f, unsigned char *p, |
ee65d4b3 | 549 | struct psmouse *psmouse) |
f85e5001 KC |
550 | { |
551 | f->first_mp = !!(p[4] & 0x40); | |
552 | f->is_mp = !!(p[0] & 0x40); | |
553 | ||
554 | f->fingers = (p[5] & 0x3) + 1; | |
555 | f->x_map = ((p[4] & 0x7e) << 8) | | |
556 | ((p[1] & 0x7f) << 2) | | |
557 | ((p[0] & 0x30) >> 4); | |
558 | f->y_map = ((p[3] & 0x70) << 4) | | |
559 | ((p[2] & 0x7f) << 1) | | |
560 | (p[4] & 0x01); | |
561 | ||
02d04254 | 562 | f->st.x = ((p[1] & 0x7f) << 4) | ((p[4] & 0x30) >> 2) | |
f85e5001 | 563 | ((p[0] & 0x30) >> 4); |
02d04254 HG |
564 | f->st.y = ((p[2] & 0x7f) << 4) | (p[4] & 0x0f); |
565 | f->pressure = p[5] & 0x7f; | |
f85e5001 KC |
566 | |
567 | alps_decode_buttons_v3(f, p); | |
38c11eaa HG |
568 | |
569 | return 0; | |
f85e5001 KC |
570 | } |
571 | ||
38c11eaa | 572 | static int alps_decode_rushmore(struct alps_fields *f, unsigned char *p, |
ee65d4b3 | 573 | struct psmouse *psmouse) |
1302bac3 | 574 | { |
ee65d4b3 | 575 | alps_decode_pinnacle(f, p, psmouse); |
1302bac3 | 576 | |
f105e34a YT |
577 | /* Rushmore's packet decode has a bit difference with Pinnacle's */ |
578 | f->is_mp = !!(p[5] & 0x40); | |
579 | f->fingers = max((p[5] & 0x3), ((p[5] >> 2) & 0x3)) + 1; | |
1302bac3 KC |
580 | f->x_map |= (p[5] & 0x10) << 11; |
581 | f->y_map |= (p[5] & 0x20) << 6; | |
38c11eaa HG |
582 | |
583 | return 0; | |
1302bac3 KC |
584 | } |
585 | ||
38c11eaa | 586 | static int alps_decode_dolphin(struct alps_fields *f, unsigned char *p, |
ee65d4b3 | 587 | struct psmouse *psmouse) |
75af9e56 | 588 | { |
ee65d4b3 YT |
589 | u64 palm_data = 0; |
590 | struct alps_data *priv = psmouse->private; | |
591 | ||
75af9e56 DT |
592 | f->first_mp = !!(p[0] & 0x02); |
593 | f->is_mp = !!(p[0] & 0x20); | |
594 | ||
ee65d4b3 | 595 | if (!f->is_mp) { |
02d04254 HG |
596 | f->st.x = ((p[1] & 0x7f) | ((p[4] & 0x0f) << 7)); |
597 | f->st.y = ((p[2] & 0x7f) | ((p[4] & 0xf0) << 3)); | |
598 | f->pressure = (p[0] & 4) ? 0 : p[5] & 0x7f; | |
ee65d4b3 YT |
599 | alps_decode_buttons_v3(f, p); |
600 | } else { | |
601 | f->fingers = ((p[0] & 0x6) >> 1 | | |
75af9e56 | 602 | (p[0] & 0x10) >> 2); |
75af9e56 | 603 | |
ee65d4b3 YT |
604 | palm_data = (p[1] & 0x7f) | |
605 | ((p[2] & 0x7f) << 7) | | |
606 | ((p[4] & 0x7f) << 14) | | |
607 | ((p[5] & 0x7f) << 21) | | |
608 | ((p[3] & 0x07) << 28) | | |
609 | (((u64)p[3] & 0x70) << 27) | | |
610 | (((u64)p[0] & 0x01) << 34); | |
611 | ||
612 | /* Y-profile is stored in P(0) to p(n-1), n = y_bits; */ | |
613 | f->y_map = palm_data & (BIT(priv->y_bits) - 1); | |
614 | ||
615 | /* X-profile is stored in p(n) to p(n+m-1), m = x_bits; */ | |
616 | f->x_map = (palm_data >> priv->y_bits) & | |
617 | (BIT(priv->x_bits) - 1); | |
618 | } | |
38c11eaa HG |
619 | |
620 | return 0; | |
75af9e56 DT |
621 | } |
622 | ||
ee65d4b3 | 623 | static void alps_process_touchpad_packet_v3_v5(struct psmouse *psmouse) |
25bded7c SF |
624 | { |
625 | struct alps_data *priv = psmouse->private; | |
626 | unsigned char *packet = psmouse->packet; | |
25bded7c | 627 | struct input_dev *dev2 = priv->dev2; |
02d04254 HG |
628 | struct alps_fields *f = &priv->f; |
629 | int fingers = 0; | |
630 | ||
631 | memset(f, 0, sizeof(*f)); | |
f85e5001 | 632 | |
02d04254 | 633 | priv->decode_fields(f, packet, psmouse); |
25bded7c SF |
634 | |
635 | /* | |
01ce661f SF |
636 | * There's no single feature of touchpad position and bitmap packets |
637 | * that can be used to distinguish between them. We rely on the fact | |
638 | * that a bitmap packet should always follow a position packet with | |
639 | * bit 6 of packet[4] set. | |
25bded7c SF |
640 | */ |
641 | if (priv->multi_packet) { | |
25bded7c SF |
642 | /* |
643 | * Sometimes a position packet will indicate a multi-packet | |
644 | * sequence, but then what follows is another position | |
645 | * packet. Check for this, and when it happens process the | |
646 | * position packet as usual. | |
647 | */ | |
02d04254 HG |
648 | if (f->is_mp) { |
649 | fingers = f->fingers; | |
fb2dd7a6 DT |
650 | if (priv->proto_version == ALPS_PROTO_V3 || |
651 | priv->proto_version == ALPS_PROTO_V3_RUSHMORE) { | |
02d04254 | 652 | if (alps_process_bitmap(priv, f) == 0) |
20bea68b | 653 | fingers = 0; /* Use st data */ |
ee65d4b3 YT |
654 | |
655 | /* Now process position packet */ | |
02d04254 | 656 | priv->decode_fields(f, priv->multi_data, |
ee65d4b3 YT |
657 | psmouse); |
658 | } else { | |
659 | /* | |
660 | * Because Dolphin uses position packet's | |
661 | * coordinate data as Pt1 and uses it to | |
662 | * calculate Pt2, so we need to do position | |
663 | * packet decode first. | |
664 | */ | |
02d04254 | 665 | priv->decode_fields(f, priv->multi_data, |
ee65d4b3 YT |
666 | psmouse); |
667 | ||
668 | /* | |
669 | * Since Dolphin's finger number is reliable, | |
670 | * there is no need to compare with bmap_fn. | |
671 | */ | |
02d04254 | 672 | alps_process_bitmap_dolphin(priv, f); |
ee65d4b3 | 673 | } |
01ce661f SF |
674 | } else { |
675 | priv->multi_packet = 0; | |
25bded7c SF |
676 | } |
677 | } | |
678 | ||
01ce661f SF |
679 | /* |
680 | * Bit 6 of byte 0 is not usually set in position packets. The only | |
681 | * times it seems to be set is in situations where the data is | |
682 | * suspect anyway, e.g. a palm resting flat on the touchpad. Given | |
683 | * this combined with the fact that this bit is useful for filtering | |
684 | * out misidentified bitmap packets, we reject anything with this | |
685 | * bit set. | |
686 | */ | |
02d04254 | 687 | if (f->is_mp) |
01ce661f SF |
688 | return; |
689 | ||
02d04254 | 690 | if (!priv->multi_packet && f->first_mp) { |
25bded7c | 691 | priv->multi_packet = 1; |
01ce661f SF |
692 | memcpy(priv->multi_data, packet, sizeof(priv->multi_data)); |
693 | return; | |
694 | } | |
695 | ||
696 | priv->multi_packet = 0; | |
25bded7c | 697 | |
25bded7c SF |
698 | /* |
699 | * Sometimes the hardware sends a single packet with z = 0 | |
700 | * in the middle of a stream. Real releases generate packets | |
701 | * with x, y, and z all zero, so these seem to be flukes. | |
702 | * Ignore them. | |
703 | */ | |
02d04254 | 704 | if (f->st.x && f->st.y && !f->pressure) |
25bded7c SF |
705 | return; |
706 | ||
68c21870 | 707 | alps_report_semi_mt_data(psmouse, fingers); |
25bded7c | 708 | |
34412ba2 PR |
709 | if ((priv->flags & ALPS_DUALPOINT) && |
710 | !(priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS)) { | |
02d04254 HG |
711 | input_report_key(dev2, BTN_LEFT, f->ts_left); |
712 | input_report_key(dev2, BTN_RIGHT, f->ts_right); | |
713 | input_report_key(dev2, BTN_MIDDLE, f->ts_middle); | |
25bded7c SF |
714 | input_sync(dev2); |
715 | } | |
716 | } | |
717 | ||
718 | static void alps_process_packet_v3(struct psmouse *psmouse) | |
719 | { | |
720 | unsigned char *packet = psmouse->packet; | |
721 | ||
722 | /* | |
723 | * v3 protocol packets come in three types, two representing | |
724 | * touchpad data and one representing trackstick data. | |
725 | * Trackstick packets seem to be distinguished by always | |
726 | * having 0x3f in the last byte. This value has never been | |
727 | * observed in the last byte of either of the other types | |
728 | * of packets. | |
729 | */ | |
730 | if (packet[5] == 0x3f) { | |
731 | alps_process_trackstick_packet_v3(psmouse); | |
732 | return; | |
733 | } | |
734 | ||
ee65d4b3 | 735 | alps_process_touchpad_packet_v3_v5(psmouse); |
25bded7c SF |
736 | } |
737 | ||
95f75e91 YT |
738 | static void alps_process_packet_v6(struct psmouse *psmouse) |
739 | { | |
740 | struct alps_data *priv = psmouse->private; | |
741 | unsigned char *packet = psmouse->packet; | |
742 | struct input_dev *dev = psmouse->dev; | |
743 | struct input_dev *dev2 = priv->dev2; | |
744 | int x, y, z, left, right, middle; | |
745 | ||
746 | /* | |
747 | * We can use Byte5 to distinguish if the packet is from Touchpad | |
748 | * or Trackpoint. | |
749 | * Touchpad: 0 - 0x7E | |
750 | * Trackpoint: 0x7F | |
751 | */ | |
752 | if (packet[5] == 0x7F) { | |
753 | /* It should be a DualPoint when received Trackpoint packet */ | |
34412ba2 PR |
754 | if (!(priv->flags & ALPS_DUALPOINT)) { |
755 | psmouse_warn(psmouse, | |
756 | "Rejected trackstick packet from non DualPoint device"); | |
95f75e91 | 757 | return; |
34412ba2 | 758 | } |
95f75e91 YT |
759 | |
760 | /* Trackpoint packet */ | |
761 | x = packet[1] | ((packet[3] & 0x20) << 2); | |
762 | y = packet[2] | ((packet[3] & 0x40) << 1); | |
763 | z = packet[4]; | |
764 | left = packet[3] & 0x01; | |
765 | right = packet[3] & 0x02; | |
766 | middle = packet[3] & 0x04; | |
767 | ||
768 | /* To prevent the cursor jump when finger lifted */ | |
769 | if (x == 0x7F && y == 0x7F && z == 0x7F) | |
770 | x = y = z = 0; | |
771 | ||
772 | /* Divide 4 since trackpoint's speed is too fast */ | |
773 | input_report_rel(dev2, REL_X, (char)x / 4); | |
774 | input_report_rel(dev2, REL_Y, -((char)y / 4)); | |
775 | ||
776 | input_report_key(dev2, BTN_LEFT, left); | |
777 | input_report_key(dev2, BTN_RIGHT, right); | |
778 | input_report_key(dev2, BTN_MIDDLE, middle); | |
779 | ||
780 | input_sync(dev2); | |
781 | return; | |
782 | } | |
783 | ||
784 | /* Touchpad packet */ | |
785 | x = packet[1] | ((packet[3] & 0x78) << 4); | |
786 | y = packet[2] | ((packet[4] & 0x78) << 4); | |
787 | z = packet[5]; | |
788 | left = packet[3] & 0x01; | |
789 | right = packet[3] & 0x02; | |
790 | ||
791 | if (z > 30) | |
792 | input_report_key(dev, BTN_TOUCH, 1); | |
793 | if (z < 25) | |
794 | input_report_key(dev, BTN_TOUCH, 0); | |
795 | ||
796 | if (z > 0) { | |
797 | input_report_abs(dev, ABS_X, x); | |
798 | input_report_abs(dev, ABS_Y, y); | |
799 | } | |
800 | ||
801 | input_report_abs(dev, ABS_PRESSURE, z); | |
802 | input_report_key(dev, BTN_TOOL_FINGER, z > 0); | |
803 | ||
804 | /* v6 touchpad does not have middle button */ | |
805 | input_report_key(dev, BTN_LEFT, left); | |
806 | input_report_key(dev, BTN_RIGHT, right); | |
807 | ||
808 | input_sync(dev); | |
809 | } | |
810 | ||
25bded7c SF |
811 | static void alps_process_packet_v4(struct psmouse *psmouse) |
812 | { | |
3b7e09fa | 813 | struct alps_data *priv = psmouse->private; |
25bded7c | 814 | unsigned char *packet = psmouse->packet; |
02d04254 | 815 | struct alps_fields *f = &priv->f; |
68c21870 | 816 | int offset; |
3b7e09fa GP |
817 | |
818 | /* | |
819 | * v4 has a 6-byte encoding for bitmap data, but this data is | |
820 | * broken up between 3 normal packets. Use priv->multi_packet to | |
821 | * track our position in the bitmap packet. | |
822 | */ | |
823 | if (packet[6] & 0x40) { | |
824 | /* sync, reset position */ | |
825 | priv->multi_packet = 0; | |
826 | } | |
827 | ||
828 | if (WARN_ON_ONCE(priv->multi_packet > 2)) | |
829 | return; | |
830 | ||
831 | offset = 2 * priv->multi_packet; | |
832 | priv->multi_data[offset] = packet[6]; | |
833 | priv->multi_data[offset + 1] = packet[7]; | |
834 | ||
835 | if (++priv->multi_packet > 2) { | |
836 | priv->multi_packet = 0; | |
837 | ||
02d04254 | 838 | f->x_map = ((priv->multi_data[2] & 0x1f) << 10) | |
3b7e09fa GP |
839 | ((priv->multi_data[3] & 0x60) << 3) | |
840 | ((priv->multi_data[0] & 0x3f) << 2) | | |
841 | ((priv->multi_data[1] & 0x60) >> 5); | |
02d04254 | 842 | f->y_map = ((priv->multi_data[5] & 0x01) << 10) | |
3b7e09fa GP |
843 | ((priv->multi_data[3] & 0x1f) << 5) | |
844 | (priv->multi_data[1] & 0x1f); | |
845 | ||
02d04254 | 846 | f->fingers = alps_process_bitmap(priv, f); |
3b7e09fa | 847 | } |
25bded7c | 848 | |
b0cfb794 AB |
849 | f->left = !!(packet[4] & 0x01); |
850 | f->right = !!(packet[4] & 0x02); | |
25bded7c | 851 | |
02d04254 HG |
852 | f->st.x = ((packet[1] & 0x7f) << 4) | ((packet[3] & 0x30) >> 2) | |
853 | ((packet[0] & 0x30) >> 4); | |
854 | f->st.y = ((packet[2] & 0x7f) << 4) | (packet[3] & 0x0f); | |
855 | f->pressure = packet[5] & 0x7f; | |
25bded7c | 856 | |
68c21870 | 857 | alps_report_semi_mt_data(psmouse, f->fingers); |
25bded7c SF |
858 | } |
859 | ||
3808843c YT |
860 | static bool alps_is_valid_package_v7(struct psmouse *psmouse) |
861 | { | |
862 | switch (psmouse->pktcnt) { | |
863 | case 3: | |
864 | return (psmouse->packet[2] & 0x40) == 0x40; | |
865 | case 4: | |
866 | return (psmouse->packet[3] & 0x48) == 0x48; | |
867 | case 6: | |
868 | return (psmouse->packet[5] & 0x40) == 0x00; | |
869 | } | |
870 | return true; | |
871 | } | |
872 | ||
873 | static unsigned char alps_get_packet_id_v7(char *byte) | |
874 | { | |
875 | unsigned char packet_id; | |
876 | ||
877 | if (byte[4] & 0x40) | |
878 | packet_id = V7_PACKET_ID_TWO; | |
879 | else if (byte[4] & 0x01) | |
880 | packet_id = V7_PACKET_ID_MULTI; | |
881 | else if ((byte[0] & 0x10) && !(byte[4] & 0x43)) | |
882 | packet_id = V7_PACKET_ID_NEW; | |
883 | else if (byte[1] == 0x00 && byte[4] == 0x00) | |
884 | packet_id = V7_PACKET_ID_IDLE; | |
885 | else | |
886 | packet_id = V7_PACKET_ID_UNKNOWN; | |
887 | ||
888 | return packet_id; | |
889 | } | |
890 | ||
891 | static void alps_get_finger_coordinate_v7(struct input_mt_pos *mt, | |
892 | unsigned char *pkt, | |
893 | unsigned char pkt_id) | |
894 | { | |
27a560ba HG |
895 | /* |
896 | * packet-fmt b7 b6 b5 b4 b3 b2 b1 b0 | |
897 | * Byte0 TWO & MULTI L 1 R M 1 Y0-2 Y0-1 Y0-0 | |
898 | * Byte0 NEW L 1 X1-5 1 1 Y0-2 Y0-1 Y0-0 | |
899 | * Byte1 Y0-10 Y0-9 Y0-8 Y0-7 Y0-6 Y0-5 Y0-4 Y0-3 | |
900 | * Byte2 X0-11 1 X0-10 X0-9 X0-8 X0-7 X0-6 X0-5 | |
901 | * Byte3 X1-11 1 X0-4 X0-3 1 X0-2 X0-1 X0-0 | |
902 | * Byte4 TWO X1-10 TWO X1-9 X1-8 X1-7 X1-6 X1-5 X1-4 | |
903 | * Byte4 MULTI X1-10 TWO X1-9 X1-8 X1-7 X1-6 Y1-5 1 | |
904 | * Byte4 NEW X1-10 TWO X1-9 X1-8 X1-7 X1-6 0 0 | |
905 | * Byte5 TWO & NEW Y1-10 0 Y1-9 Y1-8 Y1-7 Y1-6 Y1-5 Y1-4 | |
906 | * Byte5 MULTI Y1-10 0 Y1-9 Y1-8 Y1-7 Y1-6 F-1 F-0 | |
907 | * L: Left button | |
908 | * R / M: Non-clickpads: Right / Middle button | |
909 | * Clickpads: When > 2 fingers are down, and some fingers | |
910 | * are in the button area, then the 2 coordinates reported | |
911 | * are for fingers outside the button area and these report | |
912 | * extra fingers being present in the right / left button | |
913 | * area. Note these fingers are not added to the F field! | |
914 | * so if a TWO packet is received and R = 1 then there are | |
915 | * 3 fingers down, etc. | |
916 | * TWO: 1: Two touches present, byte 0/4/5 are in TWO fmt | |
917 | * 0: If byte 4 bit 0 is 1, then byte 0/4/5 are in MULTI fmt | |
918 | * otherwise byte 0 bit 4 must be set and byte 0/4/5 are | |
919 | * in NEW fmt | |
920 | * F: Number of fingers - 3, 0 means 3 fingers, 1 means 4 ... | |
921 | */ | |
922 | ||
3808843c YT |
923 | mt[0].x = ((pkt[2] & 0x80) << 4); |
924 | mt[0].x |= ((pkt[2] & 0x3F) << 5); | |
925 | mt[0].x |= ((pkt[3] & 0x30) >> 1); | |
926 | mt[0].x |= (pkt[3] & 0x07); | |
927 | mt[0].y = (pkt[1] << 3) | (pkt[0] & 0x07); | |
928 | ||
929 | mt[1].x = ((pkt[3] & 0x80) << 4); | |
930 | mt[1].x |= ((pkt[4] & 0x80) << 3); | |
931 | mt[1].x |= ((pkt[4] & 0x3F) << 4); | |
932 | mt[1].y = ((pkt[5] & 0x80) << 3); | |
933 | mt[1].y |= ((pkt[5] & 0x3F) << 4); | |
934 | ||
935 | switch (pkt_id) { | |
936 | case V7_PACKET_ID_TWO: | |
937 | mt[1].x &= ~0x000F; | |
938 | mt[1].y |= 0x000F; | |
939 | break; | |
940 | ||
941 | case V7_PACKET_ID_MULTI: | |
942 | mt[1].x &= ~0x003F; | |
943 | mt[1].y &= ~0x0020; | |
944 | mt[1].y |= ((pkt[4] & 0x02) << 4); | |
945 | mt[1].y |= 0x001F; | |
946 | break; | |
947 | ||
948 | case V7_PACKET_ID_NEW: | |
949 | mt[1].x &= ~0x003F; | |
950 | mt[1].x |= (pkt[0] & 0x20); | |
951 | mt[1].y |= 0x000F; | |
952 | break; | |
953 | } | |
954 | ||
955 | mt[0].y = 0x7FF - mt[0].y; | |
956 | mt[1].y = 0x7FF - mt[1].y; | |
957 | } | |
958 | ||
959 | static int alps_get_mt_count(struct input_mt_pos *mt) | |
960 | { | |
7091c443 | 961 | int i, fingers = 0; |
3808843c | 962 | |
7091c443 HG |
963 | for (i = 0; i < MAX_TOUCHES; i++) { |
964 | if (mt[i].x != 0 || mt[i].y != 0) | |
965 | fingers++; | |
966 | } | |
3808843c | 967 | |
7091c443 | 968 | return fingers; |
3808843c YT |
969 | } |
970 | ||
971 | static int alps_decode_packet_v7(struct alps_fields *f, | |
972 | unsigned char *p, | |
973 | struct psmouse *psmouse) | |
974 | { | |
d27eb793 | 975 | struct alps_data *priv = psmouse->private; |
3808843c YT |
976 | unsigned char pkt_id; |
977 | ||
978 | pkt_id = alps_get_packet_id_v7(p); | |
979 | if (pkt_id == V7_PACKET_ID_IDLE) | |
980 | return 0; | |
981 | if (pkt_id == V7_PACKET_ID_UNKNOWN) | |
982 | return -1; | |
8b238115 HG |
983 | /* |
984 | * NEW packets are send to indicate a discontinuity in the finger | |
985 | * coordinate reporting. Specifically a finger may have moved from | |
986 | * slot 0 to 1 or vice versa. INPUT_MT_TRACK takes care of this for | |
987 | * us. | |
988 | * | |
989 | * NEW packets have 3 problems: | |
990 | * 1) They do not contain middle / right button info (on non clickpads) | |
991 | * this can be worked around by preserving the old button state | |
992 | * 2) They do not contain an accurate fingercount, and they are | |
993 | * typically send when the number of fingers changes. We cannot use | |
994 | * the old finger count as that may mismatch with the amount of | |
995 | * touch coordinates we've available in the NEW packet | |
996 | * 3) Their x data for the second touch is inaccurate leading to | |
997 | * a possible jump of the x coordinate by 16 units when the first | |
998 | * non NEW packet comes in | |
999 | * Since problems 2 & 3 cannot be worked around, just ignore them. | |
1000 | */ | |
1001 | if (pkt_id == V7_PACKET_ID_NEW) | |
1002 | return 1; | |
3808843c YT |
1003 | |
1004 | alps_get_finger_coordinate_v7(f->mt, p, pkt_id); | |
1005 | ||
3808843c YT |
1006 | if (pkt_id == V7_PACKET_ID_TWO) |
1007 | f->fingers = alps_get_mt_count(f->mt); | |
8b238115 | 1008 | else /* pkt_id == V7_PACKET_ID_MULTI */ |
3808843c YT |
1009 | f->fingers = 3 + (p[5] & 0x03); |
1010 | ||
d27eb793 HG |
1011 | f->left = (p[0] & 0x80) >> 7; |
1012 | if (priv->flags & ALPS_BUTTONPAD) { | |
1013 | if (p[0] & 0x20) | |
1014 | f->fingers++; | |
1015 | if (p[0] & 0x10) | |
1016 | f->fingers++; | |
1017 | } else { | |
1018 | f->right = (p[0] & 0x20) >> 5; | |
1019 | f->middle = (p[0] & 0x10) >> 4; | |
1020 | } | |
1021 | ||
7091c443 HG |
1022 | /* Sometimes a single touch is reported in mt[1] rather then mt[0] */ |
1023 | if (f->fingers == 1 && f->mt[0].x == 0 && f->mt[0].y == 0) { | |
1024 | f->mt[0].x = f->mt[1].x; | |
1025 | f->mt[0].y = f->mt[1].y; | |
1026 | f->mt[1].x = 0; | |
1027 | f->mt[1].y = 0; | |
1028 | } | |
1029 | ||
3808843c YT |
1030 | return 0; |
1031 | } | |
1032 | ||
1033 | static void alps_process_trackstick_packet_v7(struct psmouse *psmouse) | |
1034 | { | |
1035 | struct alps_data *priv = psmouse->private; | |
1036 | unsigned char *packet = psmouse->packet; | |
1037 | struct input_dev *dev2 = priv->dev2; | |
1038 | int x, y, z, left, right, middle; | |
1039 | ||
34412ba2 PR |
1040 | /* It should be a DualPoint when received trackstick packet */ |
1041 | if (!(priv->flags & ALPS_DUALPOINT)) { | |
1042 | psmouse_warn(psmouse, | |
1043 | "Rejected trackstick packet from non DualPoint device"); | |
1044 | return; | |
1045 | } | |
1046 | ||
3808843c YT |
1047 | /* |
1048 | * b7 b6 b5 b4 b3 b2 b1 b0 | |
1049 | * Byte0 0 1 0 0 1 0 0 0 | |
1050 | * Byte1 1 1 * * 1 M R L | |
1051 | * Byte2 X7 1 X5 X4 X3 X2 X1 X0 | |
1052 | * Byte3 Z6 1 Y6 X6 1 Y2 Y1 Y0 | |
1053 | * Byte4 Y7 0 Y5 Y4 Y3 1 1 0 | |
1054 | * Byte5 T&P 0 Z5 Z4 Z3 Z2 Z1 Z0 | |
1055 | * M / R / L: Middle / Right / Left button | |
1056 | */ | |
1057 | ||
1058 | x = ((packet[2] & 0xbf)) | ((packet[3] & 0x10) << 2); | |
1059 | y = (packet[3] & 0x07) | (packet[4] & 0xb8) | | |
1060 | ((packet[3] & 0x20) << 1); | |
1061 | z = (packet[5] & 0x3f) | ((packet[3] & 0x80) >> 1); | |
1062 | ||
1063 | left = (packet[1] & 0x01); | |
1064 | right = (packet[1] & 0x02) >> 1; | |
1065 | middle = (packet[1] & 0x04) >> 2; | |
1066 | ||
1067 | /* Divide 2 since trackpoint's speed is too fast */ | |
1068 | input_report_rel(dev2, REL_X, (char)x / 2); | |
1069 | input_report_rel(dev2, REL_Y, -((char)y / 2)); | |
1070 | ||
1071 | input_report_key(dev2, BTN_LEFT, left); | |
1072 | input_report_key(dev2, BTN_RIGHT, right); | |
1073 | input_report_key(dev2, BTN_MIDDLE, middle); | |
1074 | ||
1075 | input_sync(dev2); | |
1076 | } | |
1077 | ||
1078 | static void alps_process_touchpad_packet_v7(struct psmouse *psmouse) | |
1079 | { | |
1080 | struct alps_data *priv = psmouse->private; | |
1081 | struct input_dev *dev = psmouse->dev; | |
1082 | struct alps_fields *f = &priv->f; | |
1083 | ||
1084 | memset(f, 0, sizeof(*f)); | |
1085 | ||
1086 | if (priv->decode_fields(f, psmouse->packet, psmouse)) | |
1087 | return; | |
1088 | ||
1089 | alps_report_mt_data(psmouse, alps_get_mt_count(f->mt)); | |
1090 | ||
1091 | input_mt_report_finger_count(dev, f->fingers); | |
1092 | ||
1093 | input_report_key(dev, BTN_LEFT, f->left); | |
1094 | input_report_key(dev, BTN_RIGHT, f->right); | |
1095 | input_report_key(dev, BTN_MIDDLE, f->middle); | |
1096 | ||
1097 | input_sync(dev); | |
1098 | } | |
1099 | ||
1100 | static void alps_process_packet_v7(struct psmouse *psmouse) | |
1101 | { | |
1102 | unsigned char *packet = psmouse->packet; | |
1103 | ||
1104 | if (packet[0] == 0x48 && (packet[4] & 0x47) == 0x06) | |
1105 | alps_process_trackstick_packet_v7(psmouse); | |
1106 | else | |
1107 | alps_process_touchpad_packet_v7(psmouse); | |
1108 | } | |
1109 | ||
1d9f2626 SK |
1110 | static void alps_report_bare_ps2_packet(struct psmouse *psmouse, |
1111 | unsigned char packet[], | |
1112 | bool report_buttons) | |
1113 | { | |
1114 | struct alps_data *priv = psmouse->private; | |
1115 | struct input_dev *dev2 = priv->dev2; | |
1116 | ||
1117 | if (report_buttons) | |
1118 | alps_report_buttons(psmouse, dev2, psmouse->dev, | |
1119 | packet[0] & 1, packet[0] & 2, packet[0] & 4); | |
1120 | ||
1121 | input_report_rel(dev2, REL_X, | |
1122 | packet[1] ? packet[1] - ((packet[0] << 4) & 0x100) : 0); | |
1123 | input_report_rel(dev2, REL_Y, | |
1124 | packet[2] ? ((packet[0] << 3) & 0x100) - packet[2] : 0); | |
1125 | ||
1126 | input_sync(dev2); | |
1127 | } | |
1128 | ||
1129 | static psmouse_ret_t alps_handle_interleaved_ps2(struct psmouse *psmouse) | |
1130 | { | |
1131 | struct alps_data *priv = psmouse->private; | |
1132 | ||
1133 | if (psmouse->pktcnt < 6) | |
1134 | return PSMOUSE_GOOD_DATA; | |
1135 | ||
1136 | if (psmouse->pktcnt == 6) { | |
1137 | /* | |
1138 | * Start a timer to flush the packet if it ends up last | |
1139 | * 6-byte packet in the stream. Timer needs to fire | |
1140 | * psmouse core times out itself. 20 ms should be enough | |
1141 | * to decide if we are getting more data or not. | |
1142 | */ | |
1143 | mod_timer(&priv->timer, jiffies + msecs_to_jiffies(20)); | |
1144 | return PSMOUSE_GOOD_DATA; | |
1145 | } | |
1146 | ||
1147 | del_timer(&priv->timer); | |
1148 | ||
1149 | if (psmouse->packet[6] & 0x80) { | |
1150 | ||
1151 | /* | |
1152 | * Highest bit is set - that means we either had | |
1153 | * complete ALPS packet and this is start of the | |
1154 | * next packet or we got garbage. | |
1155 | */ | |
1156 | ||
1157 | if (((psmouse->packet[3] | | |
1158 | psmouse->packet[4] | | |
1159 | psmouse->packet[5]) & 0x80) || | |
99df65e7 | 1160 | (!alps_is_valid_first_byte(priv, psmouse->packet[6]))) { |
b5d21704 | 1161 | psmouse_dbg(psmouse, |
3b112923 AS |
1162 | "refusing packet %4ph (suspected interleaved ps/2)\n", |
1163 | psmouse->packet + 3); | |
1d9f2626 SK |
1164 | return PSMOUSE_BAD_DATA; |
1165 | } | |
1166 | ||
24af5cb9 | 1167 | priv->process_packet(psmouse); |
1d9f2626 SK |
1168 | |
1169 | /* Continue with the next packet */ | |
1170 | psmouse->packet[0] = psmouse->packet[6]; | |
1171 | psmouse->pktcnt = 1; | |
1172 | ||
1173 | } else { | |
1174 | ||
1175 | /* | |
1176 | * High bit is 0 - that means that we indeed got a PS/2 | |
1177 | * packet in the middle of ALPS packet. | |
1178 | * | |
1179 | * There is also possibility that we got 6-byte ALPS | |
1180 | * packet followed by 3-byte packet from trackpoint. We | |
1181 | * can not distinguish between these 2 scenarios but | |
b5d21704 | 1182 | * because the latter is unlikely to happen in course of |
1d9f2626 SK |
1183 | * normal operation (user would need to press all |
1184 | * buttons on the pad and start moving trackpoint | |
1185 | * without touching the pad surface) we assume former. | |
1186 | * Even if we are wrong the wost thing that would happen | |
1187 | * the cursor would jump but we should not get protocol | |
b5d21704 | 1188 | * de-synchronization. |
1d9f2626 SK |
1189 | */ |
1190 | ||
1191 | alps_report_bare_ps2_packet(psmouse, &psmouse->packet[3], | |
1192 | false); | |
1193 | ||
1194 | /* | |
1195 | * Continue with the standard ALPS protocol handling, | |
1196 | * but make sure we won't process it as an interleaved | |
1197 | * packet again, which may happen if all buttons are | |
1198 | * pressed. To avoid this let's reset the 4th bit which | |
1199 | * is normally 1. | |
1200 | */ | |
1201 | psmouse->packet[3] = psmouse->packet[6] & 0xf7; | |
1202 | psmouse->pktcnt = 4; | |
1203 | } | |
1204 | ||
1205 | return PSMOUSE_GOOD_DATA; | |
1206 | } | |
1207 | ||
1208 | static void alps_flush_packet(unsigned long data) | |
1209 | { | |
1210 | struct psmouse *psmouse = (struct psmouse *)data; | |
24af5cb9 | 1211 | struct alps_data *priv = psmouse->private; |
1d9f2626 SK |
1212 | |
1213 | serio_pause_rx(psmouse->ps2dev.serio); | |
1214 | ||
b46615fe | 1215 | if (psmouse->pktcnt == psmouse->pktsize) { |
1d9f2626 SK |
1216 | |
1217 | /* | |
1218 | * We did not any more data in reasonable amount of time. | |
1219 | * Validate the last 3 bytes and process as a standard | |
1220 | * ALPS packet. | |
1221 | */ | |
1222 | if ((psmouse->packet[3] | | |
1223 | psmouse->packet[4] | | |
1224 | psmouse->packet[5]) & 0x80) { | |
b5d21704 | 1225 | psmouse_dbg(psmouse, |
3b112923 AS |
1226 | "refusing packet %3ph (suspected interleaved ps/2)\n", |
1227 | psmouse->packet + 3); | |
1d9f2626 | 1228 | } else { |
24af5cb9 | 1229 | priv->process_packet(psmouse); |
1d9f2626 SK |
1230 | } |
1231 | psmouse->pktcnt = 0; | |
1232 | } | |
1233 | ||
1234 | serio_continue_rx(psmouse->ps2dev.serio); | |
1235 | } | |
1236 | ||
7d12e780 | 1237 | static psmouse_ret_t alps_process_byte(struct psmouse *psmouse) |
1da177e4 LT |
1238 | { |
1239 | struct alps_data *priv = psmouse->private; | |
1240 | ||
4ab8f7f3 PR |
1241 | /* |
1242 | * Check if we are dealing with a bare PS/2 packet, presumably from | |
1243 | * a device connected to the external PS/2 port. Because bare PS/2 | |
1244 | * protocol does not have enough constant bits to self-synchronize | |
1245 | * properly we only do this if the device is fully synchronized. | |
1246 | */ | |
1247 | if (!psmouse->out_of_sync_cnt && (psmouse->packet[0] & 0xc8) == 0x08) { | |
1da177e4 | 1248 | if (psmouse->pktcnt == 3) { |
1d9f2626 SK |
1249 | alps_report_bare_ps2_packet(psmouse, psmouse->packet, |
1250 | true); | |
1da177e4 LT |
1251 | return PSMOUSE_FULL_PACKET; |
1252 | } | |
1253 | return PSMOUSE_GOOD_DATA; | |
1254 | } | |
1255 | ||
1d9f2626 SK |
1256 | /* Check for PS/2 packet stuffed in the middle of ALPS packet. */ |
1257 | ||
99df65e7 | 1258 | if ((priv->flags & ALPS_PS2_INTERLEAVED) && |
1d9f2626 SK |
1259 | psmouse->pktcnt >= 4 && (psmouse->packet[3] & 0x0f) == 0x0f) { |
1260 | return alps_handle_interleaved_ps2(psmouse); | |
1261 | } | |
1262 | ||
99df65e7 | 1263 | if (!alps_is_valid_first_byte(priv, psmouse->packet[0])) { |
b5d21704 DT |
1264 | psmouse_dbg(psmouse, |
1265 | "refusing packet[0] = %x (mask0 = %x, byte0 = %x)\n", | |
99df65e7 | 1266 | psmouse->packet[0], priv->mask0, priv->byte0); |
1da177e4 | 1267 | return PSMOUSE_BAD_DATA; |
1d9f2626 | 1268 | } |
1da177e4 | 1269 | |
b46615fe | 1270 | /* Bytes 2 - pktsize should have 0 in the highest bit */ |
a7ef82ae | 1271 | if (priv->proto_version < ALPS_PROTO_V5 && |
75af9e56 | 1272 | psmouse->pktcnt >= 2 && psmouse->pktcnt <= psmouse->pktsize && |
1d9f2626 | 1273 | (psmouse->packet[psmouse->pktcnt - 1] & 0x80)) { |
b5d21704 DT |
1274 | psmouse_dbg(psmouse, "refusing packet[%i] = %x\n", |
1275 | psmouse->pktcnt - 1, | |
1276 | psmouse->packet[psmouse->pktcnt - 1]); | |
a7ef82ae | 1277 | |
fb2dd7a6 | 1278 | if (priv->proto_version == ALPS_PROTO_V3_RUSHMORE && |
a7ef82ae PR |
1279 | psmouse->pktcnt == psmouse->pktsize) { |
1280 | /* | |
1281 | * Some Dell boxes, such as Latitude E6440 or E7440 | |
1282 | * with closed lid, quite often smash last byte of | |
1283 | * otherwise valid packet with 0xff. Given that the | |
1284 | * next packet is very likely to be valid let's | |
1285 | * report PSMOUSE_FULL_PACKET but not process data, | |
1286 | * rather than reporting PSMOUSE_BAD_DATA and | |
1287 | * filling the logs. | |
1288 | */ | |
1289 | return PSMOUSE_FULL_PACKET; | |
1290 | } | |
1291 | ||
1da177e4 | 1292 | return PSMOUSE_BAD_DATA; |
1d9f2626 | 1293 | } |
1da177e4 | 1294 | |
3808843c YT |
1295 | if (priv->proto_version == ALPS_PROTO_V7 && |
1296 | !alps_is_valid_package_v7(psmouse)) { | |
1297 | psmouse_dbg(psmouse, "refusing packet[%i] = %x\n", | |
1298 | psmouse->pktcnt - 1, | |
1299 | psmouse->packet[psmouse->pktcnt - 1]); | |
1300 | return PSMOUSE_BAD_DATA; | |
1301 | } | |
1302 | ||
b46615fe | 1303 | if (psmouse->pktcnt == psmouse->pktsize) { |
24af5cb9 | 1304 | priv->process_packet(psmouse); |
1da177e4 LT |
1305 | return PSMOUSE_FULL_PACKET; |
1306 | } | |
1307 | ||
1308 | return PSMOUSE_GOOD_DATA; | |
1309 | } | |
1310 | ||
25bded7c SF |
1311 | static int alps_command_mode_send_nibble(struct psmouse *psmouse, int nibble) |
1312 | { | |
1313 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1314 | struct alps_data *priv = psmouse->private; | |
1315 | int command; | |
1316 | unsigned char *param; | |
1317 | unsigned char dummy[4]; | |
1318 | ||
1319 | BUG_ON(nibble > 0xf); | |
1320 | ||
1321 | command = priv->nibble_commands[nibble].command; | |
1322 | param = (command & 0x0f00) ? | |
1323 | dummy : (unsigned char *)&priv->nibble_commands[nibble].data; | |
1324 | ||
1325 | if (ps2_command(ps2dev, param, command)) | |
1326 | return -1; | |
1327 | ||
1328 | return 0; | |
1329 | } | |
1330 | ||
1331 | static int alps_command_mode_set_addr(struct psmouse *psmouse, int addr) | |
1332 | { | |
1333 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1334 | struct alps_data *priv = psmouse->private; | |
1335 | int i, nibble; | |
1336 | ||
1337 | if (ps2_command(ps2dev, NULL, priv->addr_command)) | |
1338 | return -1; | |
1339 | ||
1340 | for (i = 12; i >= 0; i -= 4) { | |
1341 | nibble = (addr >> i) & 0xf; | |
1342 | if (alps_command_mode_send_nibble(psmouse, nibble)) | |
1343 | return -1; | |
1344 | } | |
1345 | ||
1346 | return 0; | |
1347 | } | |
1348 | ||
1349 | static int __alps_command_mode_read_reg(struct psmouse *psmouse, int addr) | |
1350 | { | |
1351 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1352 | unsigned char param[4]; | |
1353 | ||
1354 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) | |
1355 | return -1; | |
1356 | ||
1357 | /* | |
1358 | * The address being read is returned in the first two bytes | |
1359 | * of the result. Check that this address matches the expected | |
1360 | * address. | |
1361 | */ | |
1362 | if (addr != ((param[0] << 8) | param[1])) | |
1363 | return -1; | |
1364 | ||
1365 | return param[2]; | |
1366 | } | |
1367 | ||
1368 | static int alps_command_mode_read_reg(struct psmouse *psmouse, int addr) | |
1369 | { | |
1370 | if (alps_command_mode_set_addr(psmouse, addr)) | |
1371 | return -1; | |
1372 | return __alps_command_mode_read_reg(psmouse, addr); | |
1373 | } | |
1374 | ||
1375 | static int __alps_command_mode_write_reg(struct psmouse *psmouse, u8 value) | |
1376 | { | |
1377 | if (alps_command_mode_send_nibble(psmouse, (value >> 4) & 0xf)) | |
1378 | return -1; | |
1379 | if (alps_command_mode_send_nibble(psmouse, value & 0xf)) | |
1380 | return -1; | |
1381 | return 0; | |
1382 | } | |
1383 | ||
1384 | static int alps_command_mode_write_reg(struct psmouse *psmouse, int addr, | |
1385 | u8 value) | |
1386 | { | |
1387 | if (alps_command_mode_set_addr(psmouse, addr)) | |
1388 | return -1; | |
1389 | return __alps_command_mode_write_reg(psmouse, value); | |
1390 | } | |
1391 | ||
24ba9707 KC |
1392 | static int alps_rpt_cmd(struct psmouse *psmouse, int init_command, |
1393 | int repeated_command, unsigned char *param) | |
1394 | { | |
1395 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1396 | ||
1397 | param[0] = 0; | |
1398 | if (init_command && ps2_command(ps2dev, param, init_command)) | |
1399 | return -EIO; | |
1400 | ||
1401 | if (ps2_command(ps2dev, NULL, repeated_command) || | |
1402 | ps2_command(ps2dev, NULL, repeated_command) || | |
1403 | ps2_command(ps2dev, NULL, repeated_command)) | |
1404 | return -EIO; | |
1405 | ||
1406 | param[0] = param[1] = param[2] = 0xff; | |
1407 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) | |
1408 | return -EIO; | |
1409 | ||
39fbe585 DT |
1410 | psmouse_dbg(psmouse, "%2.2X report: %3ph\n", |
1411 | repeated_command, param); | |
24ba9707 KC |
1412 | return 0; |
1413 | } | |
1414 | ||
3808843c YT |
1415 | static bool alps_check_valid_firmware_id(unsigned char id[]) |
1416 | { | |
1417 | if (id[0] == 0x73) | |
1418 | return true; | |
1419 | ||
1420 | if (id[0] == 0x88 && | |
1421 | (id[1] == 0x07 || | |
1422 | id[1] == 0x08 || | |
1423 | (id[1] & 0xf0) == 0xb0 || | |
1424 | (id[1] & 0xf0) == 0xc0)) { | |
1425 | return true; | |
1426 | } | |
1427 | ||
1428 | return false; | |
1429 | } | |
1430 | ||
d18e53fc | 1431 | static int alps_enter_command_mode(struct psmouse *psmouse) |
25bded7c SF |
1432 | { |
1433 | unsigned char param[4]; | |
25bded7c | 1434 | |
24ba9707 | 1435 | if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_RESET_WRAP, param)) { |
25bded7c SF |
1436 | psmouse_err(psmouse, "failed to enter command mode\n"); |
1437 | return -1; | |
1438 | } | |
1439 | ||
3808843c | 1440 | if (!alps_check_valid_firmware_id(param)) { |
25bded7c | 1441 | psmouse_dbg(psmouse, |
24ba9707 | 1442 | "unknown response while entering command mode\n"); |
25bded7c SF |
1443 | return -1; |
1444 | } | |
25bded7c SF |
1445 | return 0; |
1446 | } | |
1447 | ||
1448 | static inline int alps_exit_command_mode(struct psmouse *psmouse) | |
1449 | { | |
1450 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1451 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM)) | |
1452 | return -1; | |
1453 | return 0; | |
1454 | } | |
1455 | ||
1da177e4 LT |
1456 | /* |
1457 | * For DualPoint devices select the device that should respond to | |
1458 | * subsequent commands. It looks like glidepad is behind stickpointer, | |
1459 | * I'd thought it would be other way around... | |
1460 | */ | |
25bded7c | 1461 | static int alps_passthrough_mode_v2(struct psmouse *psmouse, bool enable) |
1da177e4 LT |
1462 | { |
1463 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1da177e4 LT |
1464 | int cmd = enable ? PSMOUSE_CMD_SETSCALE21 : PSMOUSE_CMD_SETSCALE11; |
1465 | ||
1466 | if (ps2_command(ps2dev, NULL, cmd) || | |
1467 | ps2_command(ps2dev, NULL, cmd) || | |
1468 | ps2_command(ps2dev, NULL, cmd) || | |
1469 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE)) | |
1470 | return -1; | |
1471 | ||
1472 | /* we may get 3 more bytes, just ignore them */ | |
c611763d | 1473 | ps2_drain(ps2dev, 3, 100); |
1da177e4 LT |
1474 | |
1475 | return 0; | |
1476 | } | |
1477 | ||
25bded7c | 1478 | static int alps_absolute_mode_v1_v2(struct psmouse *psmouse) |
1da177e4 LT |
1479 | { |
1480 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1481 | ||
1482 | /* Try ALPS magic knock - 4 disable before enable */ | |
1483 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1484 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1485 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1486 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1487 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) | |
1488 | return -1; | |
1489 | ||
1490 | /* | |
1491 | * Switch mouse to poll (remote) mode so motion data will not | |
1492 | * get in our way | |
1493 | */ | |
1494 | return ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETPOLL); | |
1495 | } | |
1496 | ||
95f75e91 YT |
1497 | static int alps_monitor_mode_send_word(struct psmouse *psmouse, u16 word) |
1498 | { | |
1499 | int i, nibble; | |
1500 | ||
1501 | /* | |
1502 | * b0-b11 are valid bits, send sequence is inverse. | |
1503 | * e.g. when word = 0x0123, nibble send sequence is 3, 2, 1 | |
1504 | */ | |
1505 | for (i = 0; i <= 8; i += 4) { | |
1506 | nibble = (word >> i) & 0xf; | |
1507 | if (alps_command_mode_send_nibble(psmouse, nibble)) | |
1508 | return -1; | |
1509 | } | |
1510 | ||
1511 | return 0; | |
1512 | } | |
1513 | ||
1514 | static int alps_monitor_mode_write_reg(struct psmouse *psmouse, | |
1515 | u16 addr, u16 value) | |
1516 | { | |
1517 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1518 | ||
1519 | /* 0x0A0 is the command to write the word */ | |
1520 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE) || | |
1521 | alps_monitor_mode_send_word(psmouse, 0x0A0) || | |
1522 | alps_monitor_mode_send_word(psmouse, addr) || | |
1523 | alps_monitor_mode_send_word(psmouse, value) || | |
1524 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE)) | |
1525 | return -1; | |
1526 | ||
1527 | return 0; | |
1528 | } | |
1529 | ||
1530 | static int alps_monitor_mode(struct psmouse *psmouse, bool enable) | |
1531 | { | |
1532 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1533 | ||
1534 | if (enable) { | |
1535 | /* EC E9 F5 F5 E7 E6 E7 E9 to enter monitor mode */ | |
1536 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP) || | |
1537 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_GETINFO) || | |
1538 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1539 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1540 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) || | |
1541 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || | |
1542 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) || | |
1543 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_GETINFO)) | |
1544 | return -1; | |
1545 | } else { | |
1546 | /* EC to exit monitor mode */ | |
1547 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP)) | |
1548 | return -1; | |
1549 | } | |
1550 | ||
1551 | return 0; | |
1552 | } | |
1553 | ||
1554 | static int alps_absolute_mode_v6(struct psmouse *psmouse) | |
1555 | { | |
1556 | u16 reg_val = 0x181; | |
1557 | int ret = -1; | |
1558 | ||
1559 | /* enter monitor mode, to write the register */ | |
1560 | if (alps_monitor_mode(psmouse, true)) | |
1561 | return -1; | |
1562 | ||
1563 | ret = alps_monitor_mode_write_reg(psmouse, 0x000, reg_val); | |
1564 | ||
1565 | if (alps_monitor_mode(psmouse, false)) | |
1566 | ret = -1; | |
1567 | ||
1568 | return ret; | |
1569 | } | |
1570 | ||
1da177e4 LT |
1571 | static int alps_get_status(struct psmouse *psmouse, char *param) |
1572 | { | |
1da177e4 | 1573 | /* Get status: 0xF5 0xF5 0xF5 0xE9 */ |
24ba9707 | 1574 | if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_DISABLE, param)) |
1da177e4 LT |
1575 | return -1; |
1576 | ||
1da177e4 LT |
1577 | return 0; |
1578 | } | |
1579 | ||
1580 | /* | |
1581 | * Turn touchpad tapping on or off. The sequences are: | |
1582 | * 0xE9 0xF5 0xF5 0xF3 0x0A to enable, | |
1583 | * 0xE9 0xF5 0xF5 0xE8 0x00 to disable. | |
1584 | * My guess that 0xE9 (GetInfo) is here as a sync point. | |
1585 | * For models that also have stickpointer (DualPoints) its tapping | |
1586 | * is controlled separately (0xE6 0xE6 0xE6 0xF3 0x14|0x0A) but | |
1587 | * we don't fiddle with it. | |
1588 | */ | |
1589 | static int alps_tap_mode(struct psmouse *psmouse, int enable) | |
1590 | { | |
1591 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1592 | int cmd = enable ? PSMOUSE_CMD_SETRATE : PSMOUSE_CMD_SETRES; | |
1593 | unsigned char tap_arg = enable ? 0x0A : 0x00; | |
1594 | unsigned char param[4]; | |
1595 | ||
1596 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO) || | |
1597 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1598 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1599 | ps2_command(ps2dev, &tap_arg, cmd)) | |
1600 | return -1; | |
1601 | ||
1602 | if (alps_get_status(psmouse, param)) | |
1603 | return -1; | |
1604 | ||
1605 | return 0; | |
1606 | } | |
1607 | ||
f0d5c6f4 DT |
1608 | /* |
1609 | * alps_poll() - poll the touchpad for current motion packet. | |
1610 | * Used in resync. | |
1611 | */ | |
1612 | static int alps_poll(struct psmouse *psmouse) | |
1613 | { | |
1614 | struct alps_data *priv = psmouse->private; | |
b46615fe | 1615 | unsigned char buf[sizeof(psmouse->packet)]; |
b7802c5c | 1616 | bool poll_failed; |
f0d5c6f4 | 1617 | |
99df65e7 | 1618 | if (priv->flags & ALPS_PASS) |
25bded7c | 1619 | alps_passthrough_mode_v2(psmouse, true); |
f0d5c6f4 DT |
1620 | |
1621 | poll_failed = ps2_command(&psmouse->ps2dev, buf, | |
1622 | PSMOUSE_CMD_POLL | (psmouse->pktsize << 8)) < 0; | |
1623 | ||
99df65e7 | 1624 | if (priv->flags & ALPS_PASS) |
25bded7c | 1625 | alps_passthrough_mode_v2(psmouse, false); |
f0d5c6f4 | 1626 | |
99df65e7 | 1627 | if (poll_failed || (buf[0] & priv->mask0) != priv->byte0) |
f0d5c6f4 DT |
1628 | return -1; |
1629 | ||
1630 | if ((psmouse->badbyte & 0xc8) == 0x08) { | |
1631 | /* | |
1632 | * Poll the track stick ... | |
1633 | */ | |
1634 | if (ps2_command(&psmouse->ps2dev, buf, PSMOUSE_CMD_POLL | (3 << 8))) | |
1635 | return -1; | |
1636 | } | |
1637 | ||
1638 | memcpy(psmouse->packet, buf, sizeof(buf)); | |
1639 | return 0; | |
1640 | } | |
1641 | ||
25bded7c | 1642 | static int alps_hw_init_v1_v2(struct psmouse *psmouse) |
1da177e4 LT |
1643 | { |
1644 | struct alps_data *priv = psmouse->private; | |
f3a5c73d | 1645 | |
99df65e7 | 1646 | if ((priv->flags & ALPS_PASS) && |
25bded7c | 1647 | alps_passthrough_mode_v2(psmouse, true)) { |
1da177e4 | 1648 | return -1; |
b7802c5c | 1649 | } |
1da177e4 | 1650 | |
b7802c5c | 1651 | if (alps_tap_mode(psmouse, true)) { |
b5d21704 | 1652 | psmouse_warn(psmouse, "Failed to enable hardware tapping\n"); |
1da177e4 | 1653 | return -1; |
963f626d | 1654 | } |
1da177e4 | 1655 | |
25bded7c | 1656 | if (alps_absolute_mode_v1_v2(psmouse)) { |
b5d21704 | 1657 | psmouse_err(psmouse, "Failed to enable absolute mode\n"); |
1da177e4 LT |
1658 | return -1; |
1659 | } | |
1660 | ||
99df65e7 | 1661 | if ((priv->flags & ALPS_PASS) && |
25bded7c | 1662 | alps_passthrough_mode_v2(psmouse, false)) { |
1da177e4 | 1663 | return -1; |
b7802c5c | 1664 | } |
1da177e4 | 1665 | |
1e0c5b12 DT |
1666 | /* ALPS needs stream mode, otherwise it won't report any data */ |
1667 | if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSTREAM)) { | |
b5d21704 | 1668 | psmouse_err(psmouse, "Failed to enable stream mode\n"); |
1e0c5b12 DT |
1669 | return -1; |
1670 | } | |
1671 | ||
1672 | return 0; | |
1673 | } | |
1674 | ||
95f75e91 YT |
1675 | static int alps_hw_init_v6(struct psmouse *psmouse) |
1676 | { | |
1677 | unsigned char param[2] = {0xC8, 0x14}; | |
1678 | ||
1679 | /* Enter passthrough mode to let trackpoint enter 6byte raw mode */ | |
1680 | if (alps_passthrough_mode_v2(psmouse, true)) | |
1681 | return -1; | |
1682 | ||
1683 | if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || | |
1684 | ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || | |
1685 | ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || | |
1686 | ps2_command(&psmouse->ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || | |
1687 | ps2_command(&psmouse->ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE)) | |
1688 | return -1; | |
1689 | ||
1690 | if (alps_passthrough_mode_v2(psmouse, false)) | |
1691 | return -1; | |
1692 | ||
1693 | if (alps_absolute_mode_v6(psmouse)) { | |
1694 | psmouse_err(psmouse, "Failed to enable absolute mode\n"); | |
1695 | return -1; | |
1696 | } | |
1697 | ||
1698 | return 0; | |
1699 | } | |
1700 | ||
25bded7c | 1701 | /* |
cd401204 | 1702 | * Enable or disable passthrough mode to the trackstick. |
25bded7c | 1703 | */ |
cd401204 KC |
1704 | static int alps_passthrough_mode_v3(struct psmouse *psmouse, |
1705 | int reg_base, bool enable) | |
25bded7c | 1706 | { |
cd401204 | 1707 | int reg_val, ret = -1; |
25bded7c | 1708 | |
d18e53fc | 1709 | if (alps_enter_command_mode(psmouse)) |
25bded7c SF |
1710 | return -1; |
1711 | ||
cd401204 KC |
1712 | reg_val = alps_command_mode_read_reg(psmouse, reg_base + 0x0008); |
1713 | if (reg_val == -1) | |
1714 | goto error; | |
1715 | ||
25bded7c SF |
1716 | if (enable) |
1717 | reg_val |= 0x01; | |
1718 | else | |
1719 | reg_val &= ~0x01; | |
1720 | ||
cd401204 | 1721 | ret = __alps_command_mode_write_reg(psmouse, reg_val); |
25bded7c | 1722 | |
cd401204 KC |
1723 | error: |
1724 | if (alps_exit_command_mode(psmouse)) | |
1725 | ret = -1; | |
1726 | return ret; | |
25bded7c SF |
1727 | } |
1728 | ||
1729 | /* Must be in command mode when calling this function */ | |
1730 | static int alps_absolute_mode_v3(struct psmouse *psmouse) | |
1731 | { | |
1732 | int reg_val; | |
1733 | ||
1734 | reg_val = alps_command_mode_read_reg(psmouse, 0x0004); | |
1735 | if (reg_val == -1) | |
1736 | return -1; | |
1737 | ||
1738 | reg_val |= 0x06; | |
1739 | if (__alps_command_mode_write_reg(psmouse, reg_val)) | |
1740 | return -1; | |
1741 | ||
1742 | return 0; | |
1743 | } | |
1744 | ||
cd401204 | 1745 | static int alps_probe_trackstick_v3(struct psmouse *psmouse, int reg_base) |
25bded7c | 1746 | { |
cd401204 | 1747 | int ret = -EIO, reg_val; |
25bded7c | 1748 | |
d18e53fc | 1749 | if (alps_enter_command_mode(psmouse)) |
25bded7c SF |
1750 | goto error; |
1751 | ||
cd401204 | 1752 | reg_val = alps_command_mode_read_reg(psmouse, reg_base + 0x08); |
25bded7c SF |
1753 | if (reg_val == -1) |
1754 | goto error; | |
cd401204 KC |
1755 | |
1756 | /* bit 7: trackstick is present */ | |
1757 | ret = reg_val & 0x80 ? 0 : -ENODEV; | |
1758 | ||
1759 | error: | |
1760 | alps_exit_command_mode(psmouse); | |
1761 | return ret; | |
1762 | } | |
1763 | ||
1764 | static int alps_setup_trackstick_v3(struct psmouse *psmouse, int reg_base) | |
1765 | { | |
1766 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1767 | int ret = 0; | |
1768 | unsigned char param[4]; | |
1769 | ||
1770 | if (alps_passthrough_mode_v3(psmouse, reg_base, true)) | |
1771 | return -EIO; | |
1772 | ||
1773 | /* | |
1774 | * E7 report for the trackstick | |
1775 | * | |
1776 | * There have been reports of failures to seem to trace back | |
1777 | * to the above trackstick check failing. When these occur | |
1778 | * this E7 report fails, so when that happens we continue | |
1779 | * with the assumption that there isn't a trackstick after | |
1780 | * all. | |
1781 | */ | |
1782 | if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_SETSCALE21, param)) { | |
1783 | psmouse_warn(psmouse, "trackstick E7 report failed\n"); | |
1784 | ret = -ENODEV; | |
1785 | } else { | |
39fbe585 | 1786 | psmouse_dbg(psmouse, "trackstick E7 report: %3ph\n", param); |
25bded7c SF |
1787 | |
1788 | /* | |
cd401204 KC |
1789 | * Not sure what this does, but it is absolutely |
1790 | * essential. Without it, the touchpad does not | |
1791 | * work at all and the trackstick just emits normal | |
1792 | * PS/2 packets. | |
25bded7c | 1793 | */ |
cd401204 KC |
1794 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || |
1795 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || | |
1796 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || | |
1797 | alps_command_mode_send_nibble(psmouse, 0x9) || | |
1798 | alps_command_mode_send_nibble(psmouse, 0x4)) { | |
1799 | psmouse_err(psmouse, | |
1800 | "Error sending magic E6 sequence\n"); | |
1801 | ret = -EIO; | |
1802 | goto error; | |
25bded7c SF |
1803 | } |
1804 | ||
cd401204 KC |
1805 | /* |
1806 | * This ensures the trackstick packets are in the format | |
1807 | * supported by this driver. If bit 1 isn't set the packet | |
1808 | * format is different. | |
1809 | */ | |
d18e53fc | 1810 | if (alps_enter_command_mode(psmouse) || |
cd401204 KC |
1811 | alps_command_mode_write_reg(psmouse, |
1812 | reg_base + 0x08, 0x82) || | |
1813 | alps_exit_command_mode(psmouse)) | |
1814 | ret = -EIO; | |
25bded7c SF |
1815 | } |
1816 | ||
cd401204 KC |
1817 | error: |
1818 | if (alps_passthrough_mode_v3(psmouse, reg_base, false)) | |
1819 | ret = -EIO; | |
1820 | ||
1821 | return ret; | |
1822 | } | |
1823 | ||
1824 | static int alps_hw_init_v3(struct psmouse *psmouse) | |
1825 | { | |
1826 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1827 | int reg_val; | |
1828 | unsigned char param[4]; | |
1829 | ||
1830 | reg_val = alps_probe_trackstick_v3(psmouse, ALPS_REG_BASE_PINNACLE); | |
1831 | if (reg_val == -EIO) | |
1832 | goto error; | |
39fbe585 | 1833 | |
cd401204 KC |
1834 | if (reg_val == 0 && |
1835 | alps_setup_trackstick_v3(psmouse, ALPS_REG_BASE_PINNACLE) == -EIO) | |
1836 | goto error; | |
1837 | ||
d18e53fc | 1838 | if (alps_enter_command_mode(psmouse) || |
cd401204 | 1839 | alps_absolute_mode_v3(psmouse)) { |
25bded7c SF |
1840 | psmouse_err(psmouse, "Failed to enter absolute mode\n"); |
1841 | goto error; | |
1842 | } | |
1843 | ||
1844 | reg_val = alps_command_mode_read_reg(psmouse, 0x0006); | |
1845 | if (reg_val == -1) | |
1846 | goto error; | |
1847 | if (__alps_command_mode_write_reg(psmouse, reg_val | 0x01)) | |
1848 | goto error; | |
1849 | ||
1850 | reg_val = alps_command_mode_read_reg(psmouse, 0x0007); | |
1851 | if (reg_val == -1) | |
1852 | goto error; | |
1853 | if (__alps_command_mode_write_reg(psmouse, reg_val | 0x01)) | |
1854 | goto error; | |
1855 | ||
1856 | if (alps_command_mode_read_reg(psmouse, 0x0144) == -1) | |
1857 | goto error; | |
1858 | if (__alps_command_mode_write_reg(psmouse, 0x04)) | |
1859 | goto error; | |
1860 | ||
1861 | if (alps_command_mode_read_reg(psmouse, 0x0159) == -1) | |
1862 | goto error; | |
1863 | if (__alps_command_mode_write_reg(psmouse, 0x03)) | |
1864 | goto error; | |
1865 | ||
1866 | if (alps_command_mode_read_reg(psmouse, 0x0163) == -1) | |
1867 | goto error; | |
1868 | if (alps_command_mode_write_reg(psmouse, 0x0163, 0x03)) | |
1869 | goto error; | |
1870 | ||
1871 | if (alps_command_mode_read_reg(psmouse, 0x0162) == -1) | |
1872 | goto error; | |
1873 | if (alps_command_mode_write_reg(psmouse, 0x0162, 0x04)) | |
1874 | goto error; | |
1875 | ||
25bded7c SF |
1876 | alps_exit_command_mode(psmouse); |
1877 | ||
1878 | /* Set rate and enable data reporting */ | |
1879 | param[0] = 0x64; | |
1880 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE) || | |
1881 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) { | |
1882 | psmouse_err(psmouse, "Failed to enable data reporting\n"); | |
1883 | return -1; | |
1884 | } | |
1885 | ||
1886 | return 0; | |
1887 | ||
25bded7c SF |
1888 | error: |
1889 | /* | |
1890 | * Leaving the touchpad in command mode will essentially render | |
1891 | * it unusable until the machine reboots, so exit it here just | |
1892 | * to be safe | |
1893 | */ | |
1894 | alps_exit_command_mode(psmouse); | |
1895 | return -1; | |
1896 | } | |
1897 | ||
f3f33c67 HG |
1898 | static int alps_get_v3_v7_resolution(struct psmouse *psmouse, int reg_pitch) |
1899 | { | |
1900 | int reg, x_pitch, y_pitch, x_electrode, y_electrode, x_phys, y_phys; | |
1901 | struct alps_data *priv = psmouse->private; | |
1902 | ||
1903 | reg = alps_command_mode_read_reg(psmouse, reg_pitch); | |
1904 | if (reg < 0) | |
1905 | return reg; | |
1906 | ||
1907 | x_pitch = (char)(reg << 4) >> 4; /* sign extend lower 4 bits */ | |
1908 | x_pitch = 50 + 2 * x_pitch; /* In 0.1 mm units */ | |
1909 | ||
1910 | y_pitch = (char)reg >> 4; /* sign extend upper 4 bits */ | |
1911 | y_pitch = 36 + 2 * y_pitch; /* In 0.1 mm units */ | |
1912 | ||
1913 | reg = alps_command_mode_read_reg(psmouse, reg_pitch + 1); | |
1914 | if (reg < 0) | |
1915 | return reg; | |
1916 | ||
1917 | x_electrode = (char)(reg << 4) >> 4; /* sign extend lower 4 bits */ | |
1918 | x_electrode = 17 + x_electrode; | |
1919 | ||
1920 | y_electrode = (char)reg >> 4; /* sign extend upper 4 bits */ | |
1921 | y_electrode = 13 + y_electrode; | |
1922 | ||
1923 | x_phys = x_pitch * (x_electrode - 1); /* In 0.1 mm units */ | |
1924 | y_phys = y_pitch * (y_electrode - 1); /* In 0.1 mm units */ | |
1925 | ||
1926 | priv->x_res = priv->x_max * 10 / x_phys; /* units / mm */ | |
1927 | priv->y_res = priv->y_max * 10 / y_phys; /* units / mm */ | |
1928 | ||
1929 | psmouse_dbg(psmouse, | |
1930 | "pitch %dx%d num-electrodes %dx%d physical size %dx%d mm res %dx%d\n", | |
1931 | x_pitch, y_pitch, x_electrode, y_electrode, | |
1932 | x_phys / 10, y_phys / 10, priv->x_res, priv->y_res); | |
1933 | ||
1934 | return 0; | |
1935 | } | |
1936 | ||
1302bac3 KC |
1937 | static int alps_hw_init_rushmore_v3(struct psmouse *psmouse) |
1938 | { | |
cd401204 | 1939 | struct alps_data *priv = psmouse->private; |
1302bac3 KC |
1940 | struct ps2dev *ps2dev = &psmouse->ps2dev; |
1941 | int reg_val, ret = -1; | |
1942 | ||
cd401204 KC |
1943 | if (priv->flags & ALPS_DUALPOINT) { |
1944 | reg_val = alps_setup_trackstick_v3(psmouse, | |
1945 | ALPS_REG_BASE_RUSHMORE); | |
1946 | if (reg_val == -EIO) | |
1947 | goto error; | |
1948 | if (reg_val == -ENODEV) | |
1949 | priv->flags &= ~ALPS_DUALPOINT; | |
1950 | } | |
1951 | ||
d18e53fc | 1952 | if (alps_enter_command_mode(psmouse) || |
1302bac3 KC |
1953 | alps_command_mode_read_reg(psmouse, 0xc2d9) == -1 || |
1954 | alps_command_mode_write_reg(psmouse, 0xc2cb, 0x00)) | |
1955 | goto error; | |
1956 | ||
f3f33c67 HG |
1957 | if (alps_get_v3_v7_resolution(psmouse, 0xc2da)) |
1958 | goto error; | |
1959 | ||
1302bac3 KC |
1960 | reg_val = alps_command_mode_read_reg(psmouse, 0xc2c6); |
1961 | if (reg_val == -1) | |
1962 | goto error; | |
1963 | if (__alps_command_mode_write_reg(psmouse, reg_val & 0xfd)) | |
1964 | goto error; | |
1965 | ||
1966 | if (alps_command_mode_write_reg(psmouse, 0xc2c9, 0x64)) | |
1967 | goto error; | |
1968 | ||
1969 | /* enter absolute mode */ | |
1970 | reg_val = alps_command_mode_read_reg(psmouse, 0xc2c4); | |
1971 | if (reg_val == -1) | |
1972 | goto error; | |
1973 | if (__alps_command_mode_write_reg(psmouse, reg_val | 0x02)) | |
1974 | goto error; | |
1975 | ||
1976 | alps_exit_command_mode(psmouse); | |
1977 | return ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE); | |
1978 | ||
1979 | error: | |
1980 | alps_exit_command_mode(psmouse); | |
1981 | return ret; | |
1982 | } | |
1983 | ||
25bded7c SF |
1984 | /* Must be in command mode when calling this function */ |
1985 | static int alps_absolute_mode_v4(struct psmouse *psmouse) | |
1986 | { | |
1987 | int reg_val; | |
1988 | ||
1989 | reg_val = alps_command_mode_read_reg(psmouse, 0x0004); | |
1990 | if (reg_val == -1) | |
1991 | return -1; | |
1992 | ||
1993 | reg_val |= 0x02; | |
1994 | if (__alps_command_mode_write_reg(psmouse, reg_val)) | |
1995 | return -1; | |
1996 | ||
1997 | return 0; | |
1998 | } | |
1999 | ||
2000 | static int alps_hw_init_v4(struct psmouse *psmouse) | |
2001 | { | |
25bded7c SF |
2002 | struct ps2dev *ps2dev = &psmouse->ps2dev; |
2003 | unsigned char param[4]; | |
2004 | ||
d18e53fc | 2005 | if (alps_enter_command_mode(psmouse)) |
25bded7c SF |
2006 | goto error; |
2007 | ||
2008 | if (alps_absolute_mode_v4(psmouse)) { | |
2009 | psmouse_err(psmouse, "Failed to enter absolute mode\n"); | |
2010 | goto error; | |
2011 | } | |
2012 | ||
2013 | if (alps_command_mode_write_reg(psmouse, 0x0007, 0x8c)) | |
2014 | goto error; | |
2015 | ||
2016 | if (alps_command_mode_write_reg(psmouse, 0x0149, 0x03)) | |
2017 | goto error; | |
2018 | ||
2019 | if (alps_command_mode_write_reg(psmouse, 0x0160, 0x03)) | |
2020 | goto error; | |
2021 | ||
2022 | if (alps_command_mode_write_reg(psmouse, 0x017f, 0x15)) | |
2023 | goto error; | |
2024 | ||
2025 | if (alps_command_mode_write_reg(psmouse, 0x0151, 0x01)) | |
2026 | goto error; | |
2027 | ||
2028 | if (alps_command_mode_write_reg(psmouse, 0x0168, 0x03)) | |
2029 | goto error; | |
2030 | ||
2031 | if (alps_command_mode_write_reg(psmouse, 0x014a, 0x03)) | |
2032 | goto error; | |
2033 | ||
2034 | if (alps_command_mode_write_reg(psmouse, 0x0161, 0x03)) | |
2035 | goto error; | |
2036 | ||
2037 | alps_exit_command_mode(psmouse); | |
2038 | ||
2039 | /* | |
2040 | * This sequence changes the output from a 9-byte to an | |
2041 | * 8-byte format. All the same data seems to be present, | |
2042 | * just in a more compact format. | |
2043 | */ | |
2044 | param[0] = 0xc8; | |
2045 | param[1] = 0x64; | |
2046 | param[2] = 0x50; | |
2047 | if (ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || | |
2048 | ps2_command(ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE) || | |
2049 | ps2_command(ps2dev, ¶m[2], PSMOUSE_CMD_SETRATE) || | |
2050 | ps2_command(ps2dev, param, PSMOUSE_CMD_GETID)) | |
2051 | return -1; | |
2052 | ||
2053 | /* Set rate and enable data reporting */ | |
2054 | param[0] = 0x64; | |
2055 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE) || | |
2056 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) { | |
2057 | psmouse_err(psmouse, "Failed to enable data reporting\n"); | |
2058 | return -1; | |
2059 | } | |
2060 | ||
2061 | return 0; | |
2062 | ||
2063 | error: | |
2064 | /* | |
2065 | * Leaving the touchpad in command mode will essentially render | |
2066 | * it unusable until the machine reboots, so exit it here just | |
2067 | * to be safe | |
2068 | */ | |
2069 | alps_exit_command_mode(psmouse); | |
2070 | return -1; | |
2071 | } | |
2072 | ||
ee65d4b3 YT |
2073 | static int alps_dolphin_get_device_area(struct psmouse *psmouse, |
2074 | struct alps_data *priv) | |
2075 | { | |
2076 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
2077 | unsigned char param[4] = {0}; | |
2078 | int num_x_electrode, num_y_electrode; | |
2079 | ||
2080 | if (alps_enter_command_mode(psmouse)) | |
2081 | return -1; | |
2082 | ||
2083 | param[0] = 0x0a; | |
2084 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP) || | |
2085 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL) || | |
2086 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL) || | |
2087 | ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || | |
2088 | ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE)) | |
2089 | return -1; | |
2090 | ||
2091 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) | |
2092 | return -1; | |
2093 | ||
2094 | /* | |
2095 | * Dolphin's sensor line number is not fixed. It can be calculated | |
2096 | * by adding the device's register value with DOLPHIN_PROFILE_X/YOFFSET. | |
2097 | * Further more, we can get device's x_max and y_max by multiplying | |
2098 | * sensor line number with DOLPHIN_COUNT_PER_ELECTRODE. | |
2099 | * | |
2100 | * e.g. When we get register's sensor_x = 11 & sensor_y = 8, | |
2101 | * real sensor line number X = 11 + 8 = 19, and | |
2102 | * real sensor line number Y = 8 + 1 = 9. | |
2103 | * So, x_max = (19 - 1) * 64 = 1152, and | |
2104 | * y_max = (9 - 1) * 64 = 512. | |
2105 | */ | |
2106 | num_x_electrode = DOLPHIN_PROFILE_XOFFSET + (param[2] & 0x0F); | |
2107 | num_y_electrode = DOLPHIN_PROFILE_YOFFSET + ((param[2] >> 4) & 0x0F); | |
2108 | priv->x_bits = num_x_electrode; | |
2109 | priv->y_bits = num_y_electrode; | |
2110 | priv->x_max = (num_x_electrode - 1) * DOLPHIN_COUNT_PER_ELECTRODE; | |
2111 | priv->y_max = (num_y_electrode - 1) * DOLPHIN_COUNT_PER_ELECTRODE; | |
2112 | ||
2113 | if (alps_exit_command_mode(psmouse)) | |
2114 | return -1; | |
2115 | ||
2116 | return 0; | |
2117 | } | |
2118 | ||
75af9e56 DT |
2119 | static int alps_hw_init_dolphin_v1(struct psmouse *psmouse) |
2120 | { | |
2121 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
2122 | unsigned char param[2]; | |
2123 | ||
2124 | /* This is dolphin "v1" as empirically defined by florin9doi */ | |
2125 | param[0] = 0x64; | |
2126 | param[1] = 0x28; | |
2127 | ||
2128 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) || | |
2129 | ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || | |
2130 | ps2_command(ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE)) | |
2131 | return -1; | |
2132 | ||
2133 | return 0; | |
2134 | } | |
2135 | ||
3808843c YT |
2136 | static int alps_hw_init_v7(struct psmouse *psmouse) |
2137 | { | |
2138 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
2139 | int reg_val, ret = -1; | |
2140 | ||
2141 | if (alps_enter_command_mode(psmouse) || | |
2142 | alps_command_mode_read_reg(psmouse, 0xc2d9) == -1) | |
2143 | goto error; | |
2144 | ||
f3f33c67 HG |
2145 | if (alps_get_v3_v7_resolution(psmouse, 0xc397)) |
2146 | goto error; | |
2147 | ||
3808843c YT |
2148 | if (alps_command_mode_write_reg(psmouse, 0xc2c9, 0x64)) |
2149 | goto error; | |
2150 | ||
2151 | reg_val = alps_command_mode_read_reg(psmouse, 0xc2c4); | |
2152 | if (reg_val == -1) | |
2153 | goto error; | |
2154 | if (__alps_command_mode_write_reg(psmouse, reg_val | 0x02)) | |
2155 | goto error; | |
2156 | ||
2157 | alps_exit_command_mode(psmouse); | |
2158 | return ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE); | |
2159 | ||
2160 | error: | |
2161 | alps_exit_command_mode(psmouse); | |
2162 | return ret; | |
2163 | } | |
2164 | ||
24af5cb9 | 2165 | static void alps_set_defaults(struct alps_data *priv) |
25bded7c | 2166 | { |
f673ceb1 KC |
2167 | priv->byte0 = 0x8f; |
2168 | priv->mask0 = 0x8f; | |
2169 | priv->flags = ALPS_DUALPOINT; | |
2170 | ||
7a9f73e7 KC |
2171 | priv->x_max = 2000; |
2172 | priv->y_max = 1400; | |
2173 | priv->x_bits = 15; | |
2174 | priv->y_bits = 11; | |
2175 | ||
99df65e7 | 2176 | switch (priv->proto_version) { |
25bded7c SF |
2177 | case ALPS_PROTO_V1: |
2178 | case ALPS_PROTO_V2: | |
24af5cb9 KC |
2179 | priv->hw_init = alps_hw_init_v1_v2; |
2180 | priv->process_packet = alps_process_packet_v1_v2; | |
2181 | priv->set_abs_params = alps_set_abs_params_st; | |
95f75e91 YT |
2182 | priv->x_max = 1023; |
2183 | priv->y_max = 767; | |
25bded7c | 2184 | break; |
fb2dd7a6 | 2185 | |
25bded7c | 2186 | case ALPS_PROTO_V3: |
24af5cb9 KC |
2187 | priv->hw_init = alps_hw_init_v3; |
2188 | priv->process_packet = alps_process_packet_v3; | |
2189 | priv->set_abs_params = alps_set_abs_params_mt; | |
f85e5001 | 2190 | priv->decode_fields = alps_decode_pinnacle; |
50e8b216 KC |
2191 | priv->nibble_commands = alps_v3_nibble_commands; |
2192 | priv->addr_command = PSMOUSE_CMD_RESET_WRAP; | |
25bded7c | 2193 | break; |
fb2dd7a6 DT |
2194 | |
2195 | case ALPS_PROTO_V3_RUSHMORE: | |
2196 | priv->hw_init = alps_hw_init_rushmore_v3; | |
2197 | priv->process_packet = alps_process_packet_v3; | |
2198 | priv->set_abs_params = alps_set_abs_params_mt; | |
2199 | priv->decode_fields = alps_decode_rushmore; | |
2200 | priv->nibble_commands = alps_v3_nibble_commands; | |
2201 | priv->addr_command = PSMOUSE_CMD_RESET_WRAP; | |
2202 | priv->x_bits = 16; | |
2203 | priv->y_bits = 12; | |
2204 | break; | |
2205 | ||
25bded7c | 2206 | case ALPS_PROTO_V4: |
24af5cb9 KC |
2207 | priv->hw_init = alps_hw_init_v4; |
2208 | priv->process_packet = alps_process_packet_v4; | |
2209 | priv->set_abs_params = alps_set_abs_params_mt; | |
50e8b216 KC |
2210 | priv->nibble_commands = alps_v4_nibble_commands; |
2211 | priv->addr_command = PSMOUSE_CMD_DISABLE; | |
25bded7c | 2212 | break; |
75af9e56 DT |
2213 | case ALPS_PROTO_V5: |
2214 | priv->hw_init = alps_hw_init_dolphin_v1; | |
ee65d4b3 | 2215 | priv->process_packet = alps_process_touchpad_packet_v3_v5; |
75af9e56 DT |
2216 | priv->decode_fields = alps_decode_dolphin; |
2217 | priv->set_abs_params = alps_set_abs_params_mt; | |
2218 | priv->nibble_commands = alps_v3_nibble_commands; | |
2219 | priv->addr_command = PSMOUSE_CMD_RESET_WRAP; | |
2220 | priv->byte0 = 0xc8; | |
ee65d4b3 | 2221 | priv->mask0 = 0xd8; |
75af9e56 DT |
2222 | priv->flags = 0; |
2223 | priv->x_max = 1360; | |
2224 | priv->y_max = 660; | |
2225 | priv->x_bits = 23; | |
2226 | priv->y_bits = 12; | |
2227 | break; | |
95f75e91 YT |
2228 | case ALPS_PROTO_V6: |
2229 | priv->hw_init = alps_hw_init_v6; | |
2230 | priv->process_packet = alps_process_packet_v6; | |
2231 | priv->set_abs_params = alps_set_abs_params_st; | |
2232 | priv->nibble_commands = alps_v6_nibble_commands; | |
2233 | priv->x_max = 2047; | |
2234 | priv->y_max = 1535; | |
2235 | break; | |
3808843c YT |
2236 | case ALPS_PROTO_V7: |
2237 | priv->hw_init = alps_hw_init_v7; | |
2238 | priv->process_packet = alps_process_packet_v7; | |
2239 | priv->decode_fields = alps_decode_packet_v7; | |
2240 | priv->set_abs_params = alps_set_abs_params_mt; | |
2241 | priv->nibble_commands = alps_v3_nibble_commands; | |
2242 | priv->addr_command = PSMOUSE_CMD_RESET_WRAP; | |
2243 | priv->x_max = 0xfff; | |
2244 | priv->y_max = 0x7ff; | |
2245 | priv->byte0 = 0x48; | |
2246 | priv->mask0 = 0x48; | |
2247 | ||
2248 | if (priv->fw_ver[1] != 0xba) | |
2249 | priv->flags |= ALPS_BUTTONPAD; | |
2250 | break; | |
25bded7c | 2251 | } |
25bded7c SF |
2252 | } |
2253 | ||
b5d6b851 KC |
2254 | static int alps_match_table(struct psmouse *psmouse, struct alps_data *priv, |
2255 | unsigned char *e7, unsigned char *ec) | |
2e992cc0 | 2256 | { |
b5d6b851 | 2257 | const struct alps_model_info *model; |
2e992cc0 KC |
2258 | int i; |
2259 | ||
b5d6b851 KC |
2260 | for (i = 0; i < ARRAY_SIZE(alps_model_data); i++) { |
2261 | model = &alps_model_data[i]; | |
2262 | ||
2263 | if (!memcmp(e7, model->signature, sizeof(model->signature)) && | |
2264 | (!model->command_mode_resp || | |
2265 | model->command_mode_resp == ec[2])) { | |
2266 | ||
2267 | priv->proto_version = model->proto_version; | |
24af5cb9 KC |
2268 | alps_set_defaults(priv); |
2269 | ||
b5d6b851 KC |
2270 | priv->flags = model->flags; |
2271 | priv->byte0 = model->byte0; | |
2272 | priv->mask0 = model->mask0; | |
2273 | ||
2274 | return 0; | |
2275 | } | |
2276 | } | |
2277 | ||
2278 | return -EINVAL; | |
2279 | } | |
2280 | ||
2281 | static int alps_identify(struct psmouse *psmouse, struct alps_data *priv) | |
2282 | { | |
2283 | unsigned char e6[4], e7[4], ec[4]; | |
2284 | ||
2e992cc0 KC |
2285 | /* |
2286 | * First try "E6 report". | |
2287 | * ALPS should return 0,0,10 or 0,0,100 if no buttons are pressed. | |
2288 | * The bits 0-2 of the first byte will be 1s if some buttons are | |
2289 | * pressed. | |
2290 | */ | |
b5d6b851 KC |
2291 | if (alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES, |
2292 | PSMOUSE_CMD_SETSCALE11, e6)) | |
2293 | return -EIO; | |
2e992cc0 | 2294 | |
b5d6b851 KC |
2295 | if ((e6[0] & 0xf8) != 0 || e6[1] != 0 || (e6[2] != 10 && e6[2] != 100)) |
2296 | return -EINVAL; | |
2e992cc0 KC |
2297 | |
2298 | /* | |
b5d6b851 KC |
2299 | * Now get the "E7" and "EC" reports. These will uniquely identify |
2300 | * most ALPS touchpads. | |
2e992cc0 | 2301 | */ |
b5d6b851 KC |
2302 | if (alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES, |
2303 | PSMOUSE_CMD_SETSCALE21, e7) || | |
2304 | alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES, | |
2305 | PSMOUSE_CMD_RESET_WRAP, ec) || | |
2306 | alps_exit_command_mode(psmouse)) | |
2307 | return -EIO; | |
2e992cc0 | 2308 | |
c0cd17f6 HG |
2309 | /* Save the Firmware version */ |
2310 | memcpy(priv->fw_ver, ec, 3); | |
2311 | ||
f673ceb1 | 2312 | if (alps_match_table(psmouse, priv, e7, ec) == 0) { |
75af9e56 DT |
2313 | return 0; |
2314 | } else if (e7[0] == 0x73 && e7[1] == 0x03 && e7[2] == 0x50 && | |
ee65d4b3 | 2315 | ec[0] == 0x73 && (ec[1] == 0x01 || ec[1] == 0x02)) { |
75af9e56 DT |
2316 | priv->proto_version = ALPS_PROTO_V5; |
2317 | alps_set_defaults(priv); | |
ee65d4b3 YT |
2318 | if (alps_dolphin_get_device_area(psmouse, priv)) |
2319 | return -EIO; | |
2320 | else | |
2321 | return 0; | |
3808843c YT |
2322 | } else if (ec[0] == 0x88 && |
2323 | ((ec[1] & 0xf0) == 0xb0 || (ec[1] & 0xf0) == 0xc0)) { | |
2324 | priv->proto_version = ALPS_PROTO_V7; | |
2325 | alps_set_defaults(priv); | |
2326 | ||
2327 | return 0; | |
1302bac3 | 2328 | } else if (ec[0] == 0x88 && ec[1] == 0x08) { |
fb2dd7a6 | 2329 | priv->proto_version = ALPS_PROTO_V3_RUSHMORE; |
1302bac3 KC |
2330 | alps_set_defaults(priv); |
2331 | ||
cd401204 KC |
2332 | /* hack to make addr_command, nibble_command available */ |
2333 | psmouse->private = priv; | |
2334 | ||
2335 | if (alps_probe_trackstick_v3(psmouse, ALPS_REG_BASE_RUSHMORE)) | |
2336 | priv->flags &= ~ALPS_DUALPOINT; | |
2337 | ||
f673ceb1 KC |
2338 | return 0; |
2339 | } else if (ec[0] == 0x88 && ec[1] == 0x07 && | |
2340 | ec[2] >= 0x90 && ec[2] <= 0x9d) { | |
2341 | priv->proto_version = ALPS_PROTO_V3; | |
2342 | alps_set_defaults(priv); | |
2343 | ||
b5d6b851 | 2344 | return 0; |
f673ceb1 | 2345 | } |
2e992cc0 | 2346 | |
a9e06219 DT |
2347 | psmouse_dbg(psmouse, |
2348 | "Likely not an ALPS touchpad: E7=%3ph, EC=%3ph\n", e7, ec); | |
2e992cc0 | 2349 | |
b5d6b851 | 2350 | return -EINVAL; |
2e992cc0 KC |
2351 | } |
2352 | ||
1e0c5b12 DT |
2353 | static int alps_reconnect(struct psmouse *psmouse) |
2354 | { | |
b5d6b851 | 2355 | struct alps_data *priv = psmouse->private; |
71bb21b6 | 2356 | |
1e0c5b12 DT |
2357 | psmouse_reset(psmouse); |
2358 | ||
b5d6b851 | 2359 | if (alps_identify(psmouse, priv) < 0) |
1e0c5b12 DT |
2360 | return -1; |
2361 | ||
24af5cb9 | 2362 | return priv->hw_init(psmouse); |
1da177e4 LT |
2363 | } |
2364 | ||
2365 | static void alps_disconnect(struct psmouse *psmouse) | |
2366 | { | |
2367 | struct alps_data *priv = psmouse->private; | |
2e5b636b | 2368 | |
1da177e4 | 2369 | psmouse_reset(psmouse); |
1d9f2626 | 2370 | del_timer_sync(&priv->timer); |
2e5b636b | 2371 | input_unregister_device(priv->dev2); |
1da177e4 LT |
2372 | kfree(priv); |
2373 | } | |
2374 | ||
24af5cb9 KC |
2375 | static void alps_set_abs_params_st(struct alps_data *priv, |
2376 | struct input_dev *dev1) | |
2377 | { | |
95f75e91 YT |
2378 | input_set_abs_params(dev1, ABS_X, 0, priv->x_max, 0, 0); |
2379 | input_set_abs_params(dev1, ABS_Y, 0, priv->y_max, 0, 0); | |
24af5cb9 KC |
2380 | } |
2381 | ||
2382 | static void alps_set_abs_params_mt(struct alps_data *priv, | |
2383 | struct input_dev *dev1) | |
2384 | { | |
7a9f73e7 KC |
2385 | input_set_abs_params(dev1, ABS_MT_POSITION_X, 0, priv->x_max, 0, 0); |
2386 | input_set_abs_params(dev1, ABS_MT_POSITION_Y, 0, priv->y_max, 0, 0); | |
24af5cb9 | 2387 | |
f3f33c67 HG |
2388 | input_abs_set_res(dev1, ABS_MT_POSITION_X, priv->x_res); |
2389 | input_abs_set_res(dev1, ABS_MT_POSITION_Y, priv->y_res); | |
2390 | ||
cdf333ef HG |
2391 | input_mt_init_slots(dev1, MAX_TOUCHES, INPUT_MT_POINTER | |
2392 | INPUT_MT_DROP_UNUSED | INPUT_MT_TRACK | INPUT_MT_SEMI_MT); | |
2393 | ||
24af5cb9 KC |
2394 | set_bit(BTN_TOOL_TRIPLETAP, dev1->keybit); |
2395 | set_bit(BTN_TOOL_QUADTAP, dev1->keybit); | |
3808843c YT |
2396 | |
2397 | /* V7 is real multi-touch */ | |
2398 | if (priv->proto_version == ALPS_PROTO_V7) | |
2399 | clear_bit(INPUT_PROP_SEMI_MT, dev1->propbit); | |
24af5cb9 KC |
2400 | } |
2401 | ||
1da177e4 LT |
2402 | int alps_init(struct psmouse *psmouse) |
2403 | { | |
2404 | struct alps_data *priv; | |
2e5b636b | 2405 | struct input_dev *dev1 = psmouse->dev, *dev2; |
1da177e4 | 2406 | |
f42649e8 | 2407 | priv = kzalloc(sizeof(struct alps_data), GFP_KERNEL); |
2e5b636b DT |
2408 | dev2 = input_allocate_device(); |
2409 | if (!priv || !dev2) | |
1da177e4 | 2410 | goto init_fail; |
2e5b636b DT |
2411 | |
2412 | priv->dev2 = dev2; | |
1d9f2626 SK |
2413 | setup_timer(&priv->timer, alps_flush_packet, (unsigned long)psmouse); |
2414 | ||
1e0c5b12 | 2415 | psmouse->private = priv; |
1da177e4 | 2416 | |
25bded7c SF |
2417 | psmouse_reset(psmouse); |
2418 | ||
b5d6b851 | 2419 | if (alps_identify(psmouse, priv) < 0) |
71bb21b6 ML |
2420 | goto init_fail; |
2421 | ||
24af5cb9 | 2422 | if (priv->hw_init(psmouse)) |
1da177e4 LT |
2423 | goto init_fail; |
2424 | ||
7105d2ea DT |
2425 | /* |
2426 | * Undo part of setup done for us by psmouse core since touchpad | |
2427 | * is not a relative device. | |
2428 | */ | |
2429 | __clear_bit(EV_REL, dev1->evbit); | |
2430 | __clear_bit(REL_X, dev1->relbit); | |
2431 | __clear_bit(REL_Y, dev1->relbit); | |
2432 | ||
2433 | /* | |
2434 | * Now set up our capabilities. | |
2435 | */ | |
7b19ada2 JS |
2436 | dev1->evbit[BIT_WORD(EV_KEY)] |= BIT_MASK(EV_KEY); |
2437 | dev1->keybit[BIT_WORD(BTN_TOUCH)] |= BIT_MASK(BTN_TOUCH); | |
2438 | dev1->keybit[BIT_WORD(BTN_TOOL_FINGER)] |= BIT_MASK(BTN_TOOL_FINGER); | |
71bb21b6 ML |
2439 | dev1->keybit[BIT_WORD(BTN_LEFT)] |= |
2440 | BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_RIGHT); | |
1da177e4 | 2441 | |
7b19ada2 | 2442 | dev1->evbit[BIT_WORD(EV_ABS)] |= BIT_MASK(EV_ABS); |
25bded7c | 2443 | |
24af5cb9 | 2444 | priv->set_abs_params(priv, dev1); |
3808843c YT |
2445 | /* No pressure on V7 */ |
2446 | if (priv->proto_version != ALPS_PROTO_V7) | |
2447 | input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0); | |
1da177e4 | 2448 | |
99df65e7 | 2449 | if (priv->flags & ALPS_WHEEL) { |
7b19ada2 JS |
2450 | dev1->evbit[BIT_WORD(EV_REL)] |= BIT_MASK(EV_REL); |
2451 | dev1->relbit[BIT_WORD(REL_WHEEL)] |= BIT_MASK(REL_WHEEL); | |
1da177e4 LT |
2452 | } |
2453 | ||
99df65e7 | 2454 | if (priv->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) { |
7b19ada2 JS |
2455 | dev1->keybit[BIT_WORD(BTN_FORWARD)] |= BIT_MASK(BTN_FORWARD); |
2456 | dev1->keybit[BIT_WORD(BTN_BACK)] |= BIT_MASK(BTN_BACK); | |
1da177e4 LT |
2457 | } |
2458 | ||
99df65e7 | 2459 | if (priv->flags & ALPS_FOUR_BUTTONS) { |
71bb21b6 ML |
2460 | dev1->keybit[BIT_WORD(BTN_0)] |= BIT_MASK(BTN_0); |
2461 | dev1->keybit[BIT_WORD(BTN_1)] |= BIT_MASK(BTN_1); | |
2462 | dev1->keybit[BIT_WORD(BTN_2)] |= BIT_MASK(BTN_2); | |
2463 | dev1->keybit[BIT_WORD(BTN_3)] |= BIT_MASK(BTN_3); | |
3808843c YT |
2464 | } else if (priv->flags & ALPS_BUTTONPAD) { |
2465 | set_bit(INPUT_PROP_BUTTONPAD, dev1->propbit); | |
2466 | clear_bit(BTN_RIGHT, dev1->keybit); | |
71bb21b6 ML |
2467 | } else { |
2468 | dev1->keybit[BIT_WORD(BTN_MIDDLE)] |= BIT_MASK(BTN_MIDDLE); | |
2469 | } | |
2470 | ||
dfba8600 PR |
2471 | if (priv->flags & ALPS_DUALPOINT) { |
2472 | /* | |
2473 | * format of input device name is: "protocol vendor name" | |
2474 | * see function psmouse_switch_protocol() in psmouse-base.c | |
2475 | */ | |
2476 | dev2->name = "AlpsPS/2 ALPS DualPoint Stick"; | |
2477 | dev2->id.product = PSMOUSE_ALPS; | |
2478 | dev2->id.version = priv->proto_version; | |
2479 | } else { | |
2480 | dev2->name = "PS/2 ALPS Mouse"; | |
2481 | dev2->id.product = PSMOUSE_PS2; | |
2482 | dev2->id.version = 0x0000; | |
2483 | } | |
2484 | ||
08ffce45 | 2485 | snprintf(priv->phys, sizeof(priv->phys), "%s/input1", psmouse->ps2dev.serio->phys); |
2e5b636b | 2486 | dev2->phys = priv->phys; |
2e5b636b DT |
2487 | dev2->id.bustype = BUS_I8042; |
2488 | dev2->id.vendor = 0x0002; | |
1db3a345 | 2489 | dev2->dev.parent = &psmouse->ps2dev.serio->dev; |
1da177e4 | 2490 | |
7b19ada2 | 2491 | dev2->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); |
71bb21b6 ML |
2492 | dev2->relbit[BIT_WORD(REL_X)] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); |
2493 | dev2->keybit[BIT_WORD(BTN_LEFT)] = | |
2494 | BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); | |
1da177e4 | 2495 | |
01d4cd5c | 2496 | __set_bit(INPUT_PROP_POINTER, dev2->propbit); |
7611392f HG |
2497 | if (priv->flags & ALPS_DUALPOINT) |
2498 | __set_bit(INPUT_PROP_POINTING_STICK, dev2->propbit); | |
2499 | ||
f42649e8 DT |
2500 | if (input_register_device(priv->dev2)) |
2501 | goto init_fail; | |
1da177e4 LT |
2502 | |
2503 | psmouse->protocol_handler = alps_process_byte; | |
f0d5c6f4 | 2504 | psmouse->poll = alps_poll; |
1da177e4 LT |
2505 | psmouse->disconnect = alps_disconnect; |
2506 | psmouse->reconnect = alps_reconnect; | |
99df65e7 | 2507 | psmouse->pktsize = priv->proto_version == ALPS_PROTO_V4 ? 8 : 6; |
1da177e4 | 2508 | |
f0d5c6f4 DT |
2509 | /* We are having trouble resyncing ALPS touchpads so disable it for now */ |
2510 | psmouse->resync_time = 0; | |
2511 | ||
9d720b34 PR |
2512 | /* Allow 2 invalid packets without resetting device */ |
2513 | psmouse->resetafter = psmouse->pktsize * 2; | |
2514 | ||
1da177e4 LT |
2515 | return 0; |
2516 | ||
2517 | init_fail: | |
f42649e8 | 2518 | psmouse_reset(psmouse); |
2e5b636b | 2519 | input_free_device(dev2); |
1da177e4 | 2520 | kfree(priv); |
1e0c5b12 | 2521 | psmouse->private = NULL; |
1da177e4 LT |
2522 | return -1; |
2523 | } | |
2524 | ||
b7802c5c | 2525 | int alps_detect(struct psmouse *psmouse, bool set_properties) |
1da177e4 | 2526 | { |
b5d6b851 | 2527 | struct alps_data dummy; |
1da177e4 | 2528 | |
b5d6b851 | 2529 | if (alps_identify(psmouse, &dummy) < 0) |
1da177e4 LT |
2530 | return -1; |
2531 | ||
2532 | if (set_properties) { | |
2533 | psmouse->vendor = "ALPS"; | |
b5d6b851 | 2534 | psmouse->name = dummy.flags & ALPS_DUALPOINT ? |
968ac842 | 2535 | "DualPoint TouchPad" : "GlidePoint"; |
d7c13d34 | 2536 | psmouse->model = dummy.proto_version; |
1da177e4 LT |
2537 | } |
2538 | return 0; | |
2539 | } | |
2540 |