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[] = { |
8326bb57 DT |
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 */ | |
626b9da0 DT |
120 | |
121 | /* | |
122 | * XXX This entry is suspicious. First byte has zero lower nibble, | |
123 | * which is what a normal mouse would report. Also, the value 0x0e | |
124 | * isn't valid per PS/2 spec. | |
125 | */ | |
126 | { { 0x20, 0x02, 0x0e }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } }, | |
127 | ||
8326bb57 DT |
128 | { { 0x22, 0x02, 0x0a }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } }, |
129 | { { 0x22, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT } }, /* Dell Latitude D600 */ | |
1d9f2626 | 130 | /* Dell Latitude E5500, E6400, E6500, Precision M4400 */ |
8326bb57 DT |
131 | { { 0x62, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xcf, 0xcf, |
132 | ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED } }, | |
133 | { { 0x73, 0x00, 0x14 }, 0x00, { ALPS_PROTO_V6, 0xff, 0xff, ALPS_DUALPOINT } }, /* Dell XT2 */ | |
134 | { { 0x73, 0x02, 0x50 }, 0x00, { ALPS_PROTO_V2, 0xcf, 0xcf, ALPS_FOUR_BUTTONS } }, /* Dell Vostro 1400 */ | |
135 | { { 0x52, 0x01, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xff, 0xff, | |
136 | ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED } }, /* Toshiba Tecra A11-11L */ | |
137 | { { 0x73, 0x02, 0x64 }, 0x8a, { ALPS_PROTO_V4, 0x8f, 0x8f, 0 } }, | |
1da177e4 LT |
138 | }; |
139 | ||
3296f71c DT |
140 | static const struct alps_protocol_info alps_v3_protocol_data = { |
141 | ALPS_PROTO_V3, 0x8f, 0x8f, ALPS_DUALPOINT | |
142 | }; | |
143 | ||
144 | static const struct alps_protocol_info alps_v3_rushmore_data = { | |
145 | ALPS_PROTO_V3_RUSHMORE, 0x8f, 0x8f, ALPS_DUALPOINT | |
146 | }; | |
147 | ||
148 | static const struct alps_protocol_info alps_v5_protocol_data = { | |
149 | ALPS_PROTO_V5, 0xc8, 0xd8, 0 | |
150 | }; | |
151 | ||
152 | static const struct alps_protocol_info alps_v7_protocol_data = { | |
153 | ALPS_PROTO_V7, 0x48, 0x48, ALPS_DUALPOINT | |
154 | }; | |
155 | ||
3db5b9f7 MO |
156 | static const struct alps_protocol_info alps_v8_protocol_data = { |
157 | ALPS_PROTO_V8, 0x18, 0x18, 0 | |
158 | }; | |
159 | ||
24af5cb9 KC |
160 | static void alps_set_abs_params_st(struct alps_data *priv, |
161 | struct input_dev *dev1); | |
162 | static void alps_set_abs_params_mt(struct alps_data *priv, | |
163 | struct input_dev *dev1); | |
8eccd393 MO |
164 | static void alps_set_abs_params_v7(struct alps_data *priv, |
165 | struct input_dev *dev1); | |
3db5b9f7 MO |
166 | static void alps_set_abs_params_ss4_v2(struct alps_data *priv, |
167 | struct input_dev *dev1); | |
24af5cb9 | 168 | |
d4b347b2 | 169 | /* Packet formats are described in Documentation/input/alps.txt */ |
1da177e4 | 170 | |
99df65e7 | 171 | static bool alps_is_valid_first_byte(struct alps_data *priv, |
1d9f2626 SK |
172 | unsigned char data) |
173 | { | |
99df65e7 | 174 | return (data & priv->mask0) == priv->byte0; |
1d9f2626 SK |
175 | } |
176 | ||
04aae283 | 177 | static void alps_report_buttons(struct input_dev *dev1, struct input_dev *dev2, |
1d9f2626 SK |
178 | int left, int right, int middle) |
179 | { | |
c91ed059 MB |
180 | struct input_dev *dev; |
181 | ||
182 | /* | |
183 | * If shared button has already been reported on the | |
184 | * other device (dev2) then this event should be also | |
185 | * sent through that device. | |
186 | */ | |
04aae283 | 187 | dev = (dev2 && test_bit(BTN_LEFT, dev2->key)) ? dev2 : dev1; |
c91ed059 MB |
188 | input_report_key(dev, BTN_LEFT, left); |
189 | ||
04aae283 | 190 | dev = (dev2 && test_bit(BTN_RIGHT, dev2->key)) ? dev2 : dev1; |
c91ed059 MB |
191 | input_report_key(dev, BTN_RIGHT, right); |
192 | ||
04aae283 | 193 | dev = (dev2 && test_bit(BTN_MIDDLE, dev2->key)) ? dev2 : dev1; |
c91ed059 MB |
194 | input_report_key(dev, BTN_MIDDLE, middle); |
195 | ||
196 | /* | |
197 | * Sync the _other_ device now, we'll do the first | |
198 | * device later once we report the rest of the events. | |
199 | */ | |
04aae283 PR |
200 | if (dev2) |
201 | input_sync(dev2); | |
1d9f2626 SK |
202 | } |
203 | ||
25bded7c | 204 | static void alps_process_packet_v1_v2(struct psmouse *psmouse) |
1da177e4 LT |
205 | { |
206 | struct alps_data *priv = psmouse->private; | |
207 | unsigned char *packet = psmouse->packet; | |
2e5b636b DT |
208 | struct input_dev *dev = psmouse->dev; |
209 | struct input_dev *dev2 = priv->dev2; | |
1da177e4 | 210 | int x, y, z, ges, fin, left, right, middle; |
c30b4c10 | 211 | int back = 0, forward = 0; |
1da177e4 | 212 | |
99df65e7 | 213 | if (priv->proto_version == ALPS_PROTO_V1) { |
d2f4012f YM |
214 | left = packet[2] & 0x10; |
215 | right = packet[2] & 0x08; | |
1da177e4 LT |
216 | middle = 0; |
217 | x = packet[1] | ((packet[0] & 0x07) << 7); | |
218 | y = packet[4] | ((packet[3] & 0x07) << 7); | |
219 | z = packet[5]; | |
220 | } else { | |
221 | left = packet[3] & 1; | |
222 | right = packet[3] & 2; | |
223 | middle = packet[3] & 4; | |
224 | x = packet[1] | ((packet[2] & 0x78) << (7 - 3)); | |
225 | y = packet[4] | ((packet[3] & 0x70) << (7 - 4)); | |
226 | z = packet[5]; | |
227 | } | |
228 | ||
99df65e7 | 229 | if (priv->flags & ALPS_FW_BK_1) { |
3c00bb96 LK |
230 | back = packet[0] & 0x10; |
231 | forward = packet[2] & 4; | |
c30b4c10 ICR |
232 | } |
233 | ||
99df65e7 | 234 | if (priv->flags & ALPS_FW_BK_2) { |
c30b4c10 ICR |
235 | back = packet[3] & 4; |
236 | forward = packet[2] & 4; | |
237 | if ((middle = forward && back)) | |
238 | forward = back = 0; | |
239 | } | |
240 | ||
1da177e4 LT |
241 | ges = packet[2] & 1; |
242 | fin = packet[2] & 2; | |
243 | ||
99df65e7 | 244 | if ((priv->flags & ALPS_DUALPOINT) && z == 127) { |
1da177e4 LT |
245 | input_report_rel(dev2, REL_X, (x > 383 ? (x - 768) : x)); |
246 | input_report_rel(dev2, REL_Y, -(y > 255 ? (y - 512) : y)); | |
d7ed5d88 | 247 | |
04aae283 | 248 | alps_report_buttons(dev2, dev, left, right, middle); |
d7ed5d88 | 249 | |
1da177e4 LT |
250 | input_sync(dev2); |
251 | return; | |
252 | } | |
253 | ||
04aae283 | 254 | alps_report_buttons(dev, dev2, left, right, middle); |
d7ed5d88 | 255 | |
1da177e4 | 256 | /* Convert hardware tap to a reasonable Z value */ |
71bb21b6 ML |
257 | if (ges && !fin) |
258 | z = 40; | |
1da177e4 LT |
259 | |
260 | /* | |
261 | * A "tap and drag" operation is reported by the hardware as a transition | |
262 | * from (!fin && ges) to (fin && ges). This should be translated to the | |
263 | * sequence Z>0, Z==0, Z>0, so the Z==0 event has to be generated manually. | |
264 | */ | |
265 | if (ges && fin && !priv->prev_fin) { | |
266 | input_report_abs(dev, ABS_X, x); | |
267 | input_report_abs(dev, ABS_Y, y); | |
268 | input_report_abs(dev, ABS_PRESSURE, 0); | |
269 | input_report_key(dev, BTN_TOOL_FINGER, 0); | |
270 | input_sync(dev); | |
271 | } | |
272 | priv->prev_fin = fin; | |
273 | ||
71bb21b6 ML |
274 | if (z > 30) |
275 | input_report_key(dev, BTN_TOUCH, 1); | |
276 | if (z < 25) | |
277 | input_report_key(dev, BTN_TOUCH, 0); | |
1da177e4 LT |
278 | |
279 | if (z > 0) { | |
280 | input_report_abs(dev, ABS_X, x); | |
281 | input_report_abs(dev, ABS_Y, y); | |
282 | } | |
283 | ||
284 | input_report_abs(dev, ABS_PRESSURE, z); | |
285 | input_report_key(dev, BTN_TOOL_FINGER, z > 0); | |
286 | ||
99df65e7 | 287 | if (priv->flags & ALPS_WHEEL) |
e6c047b9 | 288 | input_report_rel(dev, REL_WHEEL, ((packet[2] << 1) & 0x08) - ((packet[0] >> 4) & 0x07)); |
1da177e4 | 289 | |
99df65e7 | 290 | if (priv->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) { |
c30b4c10 ICR |
291 | input_report_key(dev, BTN_FORWARD, forward); |
292 | input_report_key(dev, BTN_BACK, back); | |
1da177e4 LT |
293 | } |
294 | ||
99df65e7 | 295 | if (priv->flags & ALPS_FOUR_BUTTONS) { |
71bb21b6 ML |
296 | input_report_key(dev, BTN_0, packet[2] & 4); |
297 | input_report_key(dev, BTN_1, packet[0] & 0x10); | |
298 | input_report_key(dev, BTN_2, packet[3] & 4); | |
299 | input_report_key(dev, BTN_3, packet[0] & 0x20); | |
300 | } | |
301 | ||
1da177e4 LT |
302 | input_sync(dev); |
303 | } | |
304 | ||
ee65d4b3 YT |
305 | /* |
306 | * Process bitmap data for V5 protocols. Return value is null. | |
307 | * | |
308 | * The bitmaps don't have enough data to track fingers, so this function | |
309 | * only generates points representing a bounding box of at most two contacts. | |
02d04254 | 310 | * These two points are returned in fields->mt. |
ee65d4b3 YT |
311 | */ |
312 | static void alps_process_bitmap_dolphin(struct alps_data *priv, | |
02d04254 | 313 | struct alps_fields *fields) |
ee65d4b3 YT |
314 | { |
315 | int box_middle_x, box_middle_y; | |
316 | unsigned int x_map, y_map; | |
317 | unsigned char start_bit, end_bit; | |
318 | unsigned char x_msb, x_lsb, y_msb, y_lsb; | |
319 | ||
320 | x_map = fields->x_map; | |
321 | y_map = fields->y_map; | |
322 | ||
323 | if (!x_map || !y_map) | |
324 | return; | |
325 | ||
326 | /* Get Most-significant and Least-significant bit */ | |
327 | x_msb = fls(x_map); | |
328 | x_lsb = ffs(x_map); | |
329 | y_msb = fls(y_map); | |
330 | y_lsb = ffs(y_map); | |
331 | ||
332 | /* Most-significant bit should never exceed max sensor line number */ | |
333 | if (x_msb > priv->x_bits || y_msb > priv->y_bits) | |
334 | return; | |
335 | ||
ee65d4b3 YT |
336 | if (fields->fingers > 1) { |
337 | start_bit = priv->x_bits - x_msb; | |
338 | end_bit = priv->x_bits - x_lsb; | |
339 | box_middle_x = (priv->x_max * (start_bit + end_bit)) / | |
340 | (2 * (priv->x_bits - 1)); | |
341 | ||
342 | start_bit = y_lsb - 1; | |
343 | end_bit = y_msb - 1; | |
344 | box_middle_y = (priv->y_max * (start_bit + end_bit)) / | |
345 | (2 * (priv->y_bits - 1)); | |
02d04254 HG |
346 | fields->mt[0] = fields->st; |
347 | fields->mt[1].x = 2 * box_middle_x - fields->mt[0].x; | |
348 | fields->mt[1].y = 2 * box_middle_y - fields->mt[0].y; | |
ee65d4b3 YT |
349 | } |
350 | } | |
351 | ||
036e6c7b HG |
352 | static void alps_get_bitmap_points(unsigned int map, |
353 | struct alps_bitmap_point *low, | |
354 | struct alps_bitmap_point *high, | |
355 | int *fingers) | |
356 | { | |
357 | struct alps_bitmap_point *point; | |
358 | int i, bit, prev_bit = 0; | |
359 | ||
360 | point = low; | |
361 | for (i = 0; map != 0; i++, map >>= 1) { | |
362 | bit = map & 1; | |
363 | if (bit) { | |
364 | if (!prev_bit) { | |
365 | point->start_bit = i; | |
105affbf | 366 | point->num_bits = 0; |
036e6c7b HG |
367 | (*fingers)++; |
368 | } | |
369 | point->num_bits++; | |
370 | } else { | |
371 | if (prev_bit) | |
372 | point = high; | |
036e6c7b HG |
373 | } |
374 | prev_bit = bit; | |
375 | } | |
376 | } | |
377 | ||
01ce661f SF |
378 | /* |
379 | * Process bitmap data from v3 and v4 protocols. Returns the number of | |
380 | * fingers detected. A return value of 0 means at least one of the | |
381 | * bitmaps was empty. | |
382 | * | |
383 | * The bitmaps don't have enough data to track fingers, so this function | |
384 | * only generates points representing a bounding box of all contacts. | |
02d04254 | 385 | * These points are returned in fields->mt when the return value |
01ce661f SF |
386 | * is greater than 0. |
387 | */ | |
7a9f73e7 | 388 | static int alps_process_bitmap(struct alps_data *priv, |
02d04254 | 389 | struct alps_fields *fields) |
01ce661f | 390 | { |
036e6c7b | 391 | int i, fingers_x = 0, fingers_y = 0, fingers; |
01ce661f SF |
392 | struct alps_bitmap_point x_low = {0,}, x_high = {0,}; |
393 | struct alps_bitmap_point y_low = {0,}, y_high = {0,}; | |
01ce661f | 394 | |
02d04254 | 395 | if (!fields->x_map || !fields->y_map) |
01ce661f SF |
396 | return 0; |
397 | ||
02d04254 HG |
398 | alps_get_bitmap_points(fields->x_map, &x_low, &x_high, &fingers_x); |
399 | alps_get_bitmap_points(fields->y_map, &y_low, &y_high, &fingers_y); | |
01ce661f SF |
400 | |
401 | /* | |
402 | * Fingers can overlap, so we use the maximum count of fingers | |
403 | * on either axis as the finger count. | |
404 | */ | |
405 | fingers = max(fingers_x, fingers_y); | |
406 | ||
407 | /* | |
20bea68b HG |
408 | * If an axis reports only a single contact, we have overlapping or |
409 | * adjacent fingers. Divide the single contact between the two points. | |
01ce661f | 410 | */ |
20bea68b | 411 | if (fingers_x == 1) { |
28835f45 | 412 | i = (x_low.num_bits - 1) / 2; |
20bea68b HG |
413 | x_low.num_bits = x_low.num_bits - i; |
414 | x_high.start_bit = x_low.start_bit + i; | |
415 | x_high.num_bits = max(i, 1); | |
416 | } | |
417 | if (fingers_y == 1) { | |
28835f45 | 418 | i = (y_low.num_bits - 1) / 2; |
20bea68b HG |
419 | y_low.num_bits = y_low.num_bits - i; |
420 | y_high.start_bit = y_low.start_bit + i; | |
421 | y_high.num_bits = max(i, 1); | |
01ce661f SF |
422 | } |
423 | ||
02d04254 HG |
424 | fields->mt[0].x = |
425 | (priv->x_max * (2 * x_low.start_bit + x_low.num_bits - 1)) / | |
426 | (2 * (priv->x_bits - 1)); | |
427 | fields->mt[0].y = | |
428 | (priv->y_max * (2 * y_low.start_bit + y_low.num_bits - 1)) / | |
429 | (2 * (priv->y_bits - 1)); | |
01ce661f | 430 | |
02d04254 HG |
431 | fields->mt[1].x = |
432 | (priv->x_max * (2 * x_high.start_bit + x_high.num_bits - 1)) / | |
433 | (2 * (priv->x_bits - 1)); | |
434 | fields->mt[1].y = | |
435 | (priv->y_max * (2 * y_high.start_bit + y_high.num_bits - 1)) / | |
436 | (2 * (priv->y_bits - 1)); | |
01ce661f | 437 | |
40e8f53b | 438 | /* y-bitmap order is reversed, except on rushmore */ |
fb2dd7a6 | 439 | if (priv->proto_version != ALPS_PROTO_V3_RUSHMORE) { |
02d04254 HG |
440 | fields->mt[0].y = priv->y_max - fields->mt[0].y; |
441 | fields->mt[1].y = priv->y_max - fields->mt[1].y; | |
40e8f53b HG |
442 | } |
443 | ||
01ce661f SF |
444 | return fingers; |
445 | } | |
446 | ||
cdf333ef | 447 | static void alps_set_slot(struct input_dev *dev, int slot, int x, int y) |
01ce661f SF |
448 | { |
449 | input_mt_slot(dev, slot); | |
cdf333ef HG |
450 | input_mt_report_slot_state(dev, MT_TOOL_FINGER, true); |
451 | input_report_abs(dev, ABS_MT_POSITION_X, x); | |
452 | input_report_abs(dev, ABS_MT_POSITION_Y, y); | |
01ce661f SF |
453 | } |
454 | ||
cdf333ef | 455 | static void alps_report_mt_data(struct psmouse *psmouse, int n) |
01ce661f | 456 | { |
02d04254 HG |
457 | struct alps_data *priv = psmouse->private; |
458 | struct input_dev *dev = psmouse->dev; | |
459 | struct alps_fields *f = &priv->f; | |
cdf333ef HG |
460 | int i, slot[MAX_TOUCHES]; |
461 | ||
448c7f38 | 462 | input_mt_assign_slots(dev, slot, f->mt, n, 0); |
cdf333ef HG |
463 | for (i = 0; i < n; i++) |
464 | alps_set_slot(dev, slot[i], f->mt[i].x, f->mt[i].y); | |
02d04254 | 465 | |
cdf333ef | 466 | input_mt_sync_frame(dev); |
01ce661f SF |
467 | } |
468 | ||
68c21870 HG |
469 | static void alps_report_semi_mt_data(struct psmouse *psmouse, int fingers) |
470 | { | |
471 | struct alps_data *priv = psmouse->private; | |
472 | struct input_dev *dev = psmouse->dev; | |
473 | struct alps_fields *f = &priv->f; | |
474 | ||
475 | /* Use st data when we don't have mt data */ | |
476 | if (fingers < 2) { | |
477 | f->mt[0].x = f->st.x; | |
478 | f->mt[0].y = f->st.y; | |
479 | fingers = f->pressure > 0 ? 1 : 0; | |
480 | } | |
481 | ||
99d9996c | 482 | alps_report_mt_data(psmouse, (fingers <= 2) ? fingers : 2); |
68c21870 HG |
483 | |
484 | input_mt_report_finger_count(dev, fingers); | |
485 | ||
486 | input_report_key(dev, BTN_LEFT, f->left); | |
487 | input_report_key(dev, BTN_RIGHT, f->right); | |
488 | input_report_key(dev, BTN_MIDDLE, f->middle); | |
489 | ||
490 | input_report_abs(dev, ABS_PRESSURE, f->pressure); | |
491 | ||
492 | input_sync(dev); | |
493 | } | |
494 | ||
25bded7c SF |
495 | static void alps_process_trackstick_packet_v3(struct psmouse *psmouse) |
496 | { | |
497 | struct alps_data *priv = psmouse->private; | |
498 | unsigned char *packet = psmouse->packet; | |
499 | struct input_dev *dev = priv->dev2; | |
500 | int x, y, z, left, right, middle; | |
501 | ||
34412ba2 PR |
502 | /* It should be a DualPoint when received trackstick packet */ |
503 | if (!(priv->flags & ALPS_DUALPOINT)) { | |
504 | psmouse_warn(psmouse, | |
505 | "Rejected trackstick packet from non DualPoint device"); | |
506 | return; | |
507 | } | |
508 | ||
25bded7c SF |
509 | /* Sanity check packet */ |
510 | if (!(packet[0] & 0x40)) { | |
511 | psmouse_dbg(psmouse, "Bad trackstick packet, discarding\n"); | |
512 | return; | |
513 | } | |
514 | ||
515 | /* | |
516 | * There's a special packet that seems to indicate the end | |
517 | * of a stream of trackstick data. Filter these out. | |
518 | */ | |
519 | if (packet[1] == 0x7f && packet[2] == 0x7f && packet[4] == 0x7f) | |
520 | return; | |
521 | ||
522 | x = (s8)(((packet[0] & 0x20) << 2) | (packet[1] & 0x7f)); | |
523 | y = (s8)(((packet[0] & 0x10) << 3) | (packet[2] & 0x7f)); | |
524 | z = (packet[4] & 0x7c) >> 2; | |
525 | ||
526 | /* | |
527 | * The x and y values tend to be quite large, and when used | |
528 | * alone the trackstick is difficult to use. Scale them down | |
529 | * to compensate. | |
530 | */ | |
531 | x /= 8; | |
532 | y /= 8; | |
533 | ||
534 | input_report_rel(dev, REL_X, x); | |
535 | input_report_rel(dev, REL_Y, -y); | |
536 | ||
537 | /* | |
538 | * Most ALPS models report the trackstick buttons in the touchpad | |
539 | * packets, but a few report them here. No reliable way has been | |
540 | * found to differentiate between the models upfront, so we enable | |
541 | * the quirk in response to seeing a button press in the trackstick | |
542 | * packet. | |
543 | */ | |
544 | left = packet[3] & 0x01; | |
545 | right = packet[3] & 0x02; | |
546 | middle = packet[3] & 0x04; | |
547 | ||
548 | if (!(priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS) && | |
549 | (left || right || middle)) | |
550 | priv->quirks |= ALPS_QUIRK_TRACKSTICK_BUTTONS; | |
551 | ||
552 | if (priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS) { | |
553 | input_report_key(dev, BTN_LEFT, left); | |
554 | input_report_key(dev, BTN_RIGHT, right); | |
555 | input_report_key(dev, BTN_MIDDLE, middle); | |
556 | } | |
557 | ||
558 | input_sync(dev); | |
559 | return; | |
560 | } | |
561 | ||
f85e5001 KC |
562 | static void alps_decode_buttons_v3(struct alps_fields *f, unsigned char *p) |
563 | { | |
564 | f->left = !!(p[3] & 0x01); | |
565 | f->right = !!(p[3] & 0x02); | |
566 | f->middle = !!(p[3] & 0x04); | |
567 | ||
568 | f->ts_left = !!(p[3] & 0x10); | |
569 | f->ts_right = !!(p[3] & 0x20); | |
570 | f->ts_middle = !!(p[3] & 0x40); | |
571 | } | |
572 | ||
38c11eaa | 573 | static int alps_decode_pinnacle(struct alps_fields *f, unsigned char *p, |
ee65d4b3 | 574 | struct psmouse *psmouse) |
f85e5001 KC |
575 | { |
576 | f->first_mp = !!(p[4] & 0x40); | |
577 | f->is_mp = !!(p[0] & 0x40); | |
578 | ||
579 | f->fingers = (p[5] & 0x3) + 1; | |
580 | f->x_map = ((p[4] & 0x7e) << 8) | | |
581 | ((p[1] & 0x7f) << 2) | | |
582 | ((p[0] & 0x30) >> 4); | |
583 | f->y_map = ((p[3] & 0x70) << 4) | | |
584 | ((p[2] & 0x7f) << 1) | | |
585 | (p[4] & 0x01); | |
586 | ||
02d04254 | 587 | f->st.x = ((p[1] & 0x7f) << 4) | ((p[4] & 0x30) >> 2) | |
f85e5001 | 588 | ((p[0] & 0x30) >> 4); |
02d04254 HG |
589 | f->st.y = ((p[2] & 0x7f) << 4) | (p[4] & 0x0f); |
590 | f->pressure = p[5] & 0x7f; | |
f85e5001 KC |
591 | |
592 | alps_decode_buttons_v3(f, p); | |
38c11eaa HG |
593 | |
594 | return 0; | |
f85e5001 KC |
595 | } |
596 | ||
38c11eaa | 597 | static int alps_decode_rushmore(struct alps_fields *f, unsigned char *p, |
ee65d4b3 | 598 | struct psmouse *psmouse) |
1302bac3 | 599 | { |
ee65d4b3 | 600 | alps_decode_pinnacle(f, p, psmouse); |
1302bac3 | 601 | |
f105e34a YT |
602 | /* Rushmore's packet decode has a bit difference with Pinnacle's */ |
603 | f->is_mp = !!(p[5] & 0x40); | |
604 | f->fingers = max((p[5] & 0x3), ((p[5] >> 2) & 0x3)) + 1; | |
1302bac3 KC |
605 | f->x_map |= (p[5] & 0x10) << 11; |
606 | f->y_map |= (p[5] & 0x20) << 6; | |
38c11eaa HG |
607 | |
608 | return 0; | |
1302bac3 KC |
609 | } |
610 | ||
38c11eaa | 611 | static int alps_decode_dolphin(struct alps_fields *f, unsigned char *p, |
ee65d4b3 | 612 | struct psmouse *psmouse) |
75af9e56 | 613 | { |
ee65d4b3 YT |
614 | u64 palm_data = 0; |
615 | struct alps_data *priv = psmouse->private; | |
616 | ||
75af9e56 DT |
617 | f->first_mp = !!(p[0] & 0x02); |
618 | f->is_mp = !!(p[0] & 0x20); | |
619 | ||
ee65d4b3 | 620 | if (!f->is_mp) { |
02d04254 HG |
621 | f->st.x = ((p[1] & 0x7f) | ((p[4] & 0x0f) << 7)); |
622 | f->st.y = ((p[2] & 0x7f) | ((p[4] & 0xf0) << 3)); | |
623 | f->pressure = (p[0] & 4) ? 0 : p[5] & 0x7f; | |
ee65d4b3 YT |
624 | alps_decode_buttons_v3(f, p); |
625 | } else { | |
626 | f->fingers = ((p[0] & 0x6) >> 1 | | |
75af9e56 | 627 | (p[0] & 0x10) >> 2); |
75af9e56 | 628 | |
ee65d4b3 YT |
629 | palm_data = (p[1] & 0x7f) | |
630 | ((p[2] & 0x7f) << 7) | | |
631 | ((p[4] & 0x7f) << 14) | | |
632 | ((p[5] & 0x7f) << 21) | | |
633 | ((p[3] & 0x07) << 28) | | |
634 | (((u64)p[3] & 0x70) << 27) | | |
635 | (((u64)p[0] & 0x01) << 34); | |
636 | ||
637 | /* Y-profile is stored in P(0) to p(n-1), n = y_bits; */ | |
638 | f->y_map = palm_data & (BIT(priv->y_bits) - 1); | |
639 | ||
640 | /* X-profile is stored in p(n) to p(n+m-1), m = x_bits; */ | |
641 | f->x_map = (palm_data >> priv->y_bits) & | |
642 | (BIT(priv->x_bits) - 1); | |
643 | } | |
38c11eaa HG |
644 | |
645 | return 0; | |
75af9e56 DT |
646 | } |
647 | ||
ee65d4b3 | 648 | static void alps_process_touchpad_packet_v3_v5(struct psmouse *psmouse) |
25bded7c SF |
649 | { |
650 | struct alps_data *priv = psmouse->private; | |
651 | unsigned char *packet = psmouse->packet; | |
25bded7c | 652 | struct input_dev *dev2 = priv->dev2; |
02d04254 HG |
653 | struct alps_fields *f = &priv->f; |
654 | int fingers = 0; | |
655 | ||
656 | memset(f, 0, sizeof(*f)); | |
f85e5001 | 657 | |
02d04254 | 658 | priv->decode_fields(f, packet, psmouse); |
25bded7c SF |
659 | |
660 | /* | |
01ce661f SF |
661 | * There's no single feature of touchpad position and bitmap packets |
662 | * that can be used to distinguish between them. We rely on the fact | |
663 | * that a bitmap packet should always follow a position packet with | |
664 | * bit 6 of packet[4] set. | |
25bded7c SF |
665 | */ |
666 | if (priv->multi_packet) { | |
25bded7c SF |
667 | /* |
668 | * Sometimes a position packet will indicate a multi-packet | |
669 | * sequence, but then what follows is another position | |
670 | * packet. Check for this, and when it happens process the | |
671 | * position packet as usual. | |
672 | */ | |
02d04254 HG |
673 | if (f->is_mp) { |
674 | fingers = f->fingers; | |
fb2dd7a6 DT |
675 | if (priv->proto_version == ALPS_PROTO_V3 || |
676 | priv->proto_version == ALPS_PROTO_V3_RUSHMORE) { | |
02d04254 | 677 | if (alps_process_bitmap(priv, f) == 0) |
20bea68b | 678 | fingers = 0; /* Use st data */ |
ee65d4b3 YT |
679 | |
680 | /* Now process position packet */ | |
02d04254 | 681 | priv->decode_fields(f, priv->multi_data, |
ee65d4b3 YT |
682 | psmouse); |
683 | } else { | |
684 | /* | |
685 | * Because Dolphin uses position packet's | |
686 | * coordinate data as Pt1 and uses it to | |
687 | * calculate Pt2, so we need to do position | |
688 | * packet decode first. | |
689 | */ | |
02d04254 | 690 | priv->decode_fields(f, priv->multi_data, |
ee65d4b3 YT |
691 | psmouse); |
692 | ||
693 | /* | |
694 | * Since Dolphin's finger number is reliable, | |
695 | * there is no need to compare with bmap_fn. | |
696 | */ | |
02d04254 | 697 | alps_process_bitmap_dolphin(priv, f); |
ee65d4b3 | 698 | } |
01ce661f SF |
699 | } else { |
700 | priv->multi_packet = 0; | |
25bded7c SF |
701 | } |
702 | } | |
703 | ||
01ce661f SF |
704 | /* |
705 | * Bit 6 of byte 0 is not usually set in position packets. The only | |
706 | * times it seems to be set is in situations where the data is | |
707 | * suspect anyway, e.g. a palm resting flat on the touchpad. Given | |
708 | * this combined with the fact that this bit is useful for filtering | |
709 | * out misidentified bitmap packets, we reject anything with this | |
710 | * bit set. | |
711 | */ | |
02d04254 | 712 | if (f->is_mp) |
01ce661f SF |
713 | return; |
714 | ||
02d04254 | 715 | if (!priv->multi_packet && f->first_mp) { |
25bded7c | 716 | priv->multi_packet = 1; |
01ce661f SF |
717 | memcpy(priv->multi_data, packet, sizeof(priv->multi_data)); |
718 | return; | |
719 | } | |
720 | ||
721 | priv->multi_packet = 0; | |
25bded7c | 722 | |
25bded7c SF |
723 | /* |
724 | * Sometimes the hardware sends a single packet with z = 0 | |
725 | * in the middle of a stream. Real releases generate packets | |
726 | * with x, y, and z all zero, so these seem to be flukes. | |
727 | * Ignore them. | |
728 | */ | |
02d04254 | 729 | if (f->st.x && f->st.y && !f->pressure) |
25bded7c SF |
730 | return; |
731 | ||
68c21870 | 732 | alps_report_semi_mt_data(psmouse, fingers); |
25bded7c | 733 | |
34412ba2 PR |
734 | if ((priv->flags & ALPS_DUALPOINT) && |
735 | !(priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS)) { | |
02d04254 HG |
736 | input_report_key(dev2, BTN_LEFT, f->ts_left); |
737 | input_report_key(dev2, BTN_RIGHT, f->ts_right); | |
738 | input_report_key(dev2, BTN_MIDDLE, f->ts_middle); | |
25bded7c SF |
739 | input_sync(dev2); |
740 | } | |
741 | } | |
742 | ||
743 | static void alps_process_packet_v3(struct psmouse *psmouse) | |
744 | { | |
745 | unsigned char *packet = psmouse->packet; | |
746 | ||
747 | /* | |
748 | * v3 protocol packets come in three types, two representing | |
749 | * touchpad data and one representing trackstick data. | |
750 | * Trackstick packets seem to be distinguished by always | |
751 | * having 0x3f in the last byte. This value has never been | |
752 | * observed in the last byte of either of the other types | |
753 | * of packets. | |
754 | */ | |
755 | if (packet[5] == 0x3f) { | |
756 | alps_process_trackstick_packet_v3(psmouse); | |
757 | return; | |
758 | } | |
759 | ||
ee65d4b3 | 760 | alps_process_touchpad_packet_v3_v5(psmouse); |
25bded7c SF |
761 | } |
762 | ||
95f75e91 YT |
763 | static void alps_process_packet_v6(struct psmouse *psmouse) |
764 | { | |
765 | struct alps_data *priv = psmouse->private; | |
766 | unsigned char *packet = psmouse->packet; | |
767 | struct input_dev *dev = psmouse->dev; | |
768 | struct input_dev *dev2 = priv->dev2; | |
769 | int x, y, z, left, right, middle; | |
770 | ||
771 | /* | |
772 | * We can use Byte5 to distinguish if the packet is from Touchpad | |
773 | * or Trackpoint. | |
774 | * Touchpad: 0 - 0x7E | |
775 | * Trackpoint: 0x7F | |
776 | */ | |
777 | if (packet[5] == 0x7F) { | |
778 | /* It should be a DualPoint when received Trackpoint packet */ | |
34412ba2 PR |
779 | if (!(priv->flags & ALPS_DUALPOINT)) { |
780 | psmouse_warn(psmouse, | |
781 | "Rejected trackstick packet from non DualPoint device"); | |
95f75e91 | 782 | return; |
34412ba2 | 783 | } |
95f75e91 YT |
784 | |
785 | /* Trackpoint packet */ | |
786 | x = packet[1] | ((packet[3] & 0x20) << 2); | |
787 | y = packet[2] | ((packet[3] & 0x40) << 1); | |
788 | z = packet[4]; | |
789 | left = packet[3] & 0x01; | |
790 | right = packet[3] & 0x02; | |
791 | middle = packet[3] & 0x04; | |
792 | ||
793 | /* To prevent the cursor jump when finger lifted */ | |
794 | if (x == 0x7F && y == 0x7F && z == 0x7F) | |
795 | x = y = z = 0; | |
796 | ||
797 | /* Divide 4 since trackpoint's speed is too fast */ | |
798 | input_report_rel(dev2, REL_X, (char)x / 4); | |
799 | input_report_rel(dev2, REL_Y, -((char)y / 4)); | |
800 | ||
801 | input_report_key(dev2, BTN_LEFT, left); | |
802 | input_report_key(dev2, BTN_RIGHT, right); | |
803 | input_report_key(dev2, BTN_MIDDLE, middle); | |
804 | ||
805 | input_sync(dev2); | |
806 | return; | |
807 | } | |
808 | ||
809 | /* Touchpad packet */ | |
810 | x = packet[1] | ((packet[3] & 0x78) << 4); | |
811 | y = packet[2] | ((packet[4] & 0x78) << 4); | |
812 | z = packet[5]; | |
813 | left = packet[3] & 0x01; | |
814 | right = packet[3] & 0x02; | |
815 | ||
816 | if (z > 30) | |
817 | input_report_key(dev, BTN_TOUCH, 1); | |
818 | if (z < 25) | |
819 | input_report_key(dev, BTN_TOUCH, 0); | |
820 | ||
821 | if (z > 0) { | |
822 | input_report_abs(dev, ABS_X, x); | |
823 | input_report_abs(dev, ABS_Y, y); | |
824 | } | |
825 | ||
826 | input_report_abs(dev, ABS_PRESSURE, z); | |
827 | input_report_key(dev, BTN_TOOL_FINGER, z > 0); | |
828 | ||
829 | /* v6 touchpad does not have middle button */ | |
830 | input_report_key(dev, BTN_LEFT, left); | |
831 | input_report_key(dev, BTN_RIGHT, right); | |
832 | ||
833 | input_sync(dev); | |
834 | } | |
835 | ||
25bded7c SF |
836 | static void alps_process_packet_v4(struct psmouse *psmouse) |
837 | { | |
3b7e09fa | 838 | struct alps_data *priv = psmouse->private; |
25bded7c | 839 | unsigned char *packet = psmouse->packet; |
02d04254 | 840 | struct alps_fields *f = &priv->f; |
68c21870 | 841 | int offset; |
3b7e09fa GP |
842 | |
843 | /* | |
844 | * v4 has a 6-byte encoding for bitmap data, but this data is | |
845 | * broken up between 3 normal packets. Use priv->multi_packet to | |
846 | * track our position in the bitmap packet. | |
847 | */ | |
848 | if (packet[6] & 0x40) { | |
849 | /* sync, reset position */ | |
850 | priv->multi_packet = 0; | |
851 | } | |
852 | ||
853 | if (WARN_ON_ONCE(priv->multi_packet > 2)) | |
854 | return; | |
855 | ||
856 | offset = 2 * priv->multi_packet; | |
857 | priv->multi_data[offset] = packet[6]; | |
858 | priv->multi_data[offset + 1] = packet[7]; | |
859 | ||
860 | if (++priv->multi_packet > 2) { | |
861 | priv->multi_packet = 0; | |
862 | ||
02d04254 | 863 | f->x_map = ((priv->multi_data[2] & 0x1f) << 10) | |
3b7e09fa GP |
864 | ((priv->multi_data[3] & 0x60) << 3) | |
865 | ((priv->multi_data[0] & 0x3f) << 2) | | |
866 | ((priv->multi_data[1] & 0x60) >> 5); | |
02d04254 | 867 | f->y_map = ((priv->multi_data[5] & 0x01) << 10) | |
3b7e09fa GP |
868 | ((priv->multi_data[3] & 0x1f) << 5) | |
869 | (priv->multi_data[1] & 0x1f); | |
870 | ||
02d04254 | 871 | f->fingers = alps_process_bitmap(priv, f); |
3b7e09fa | 872 | } |
25bded7c | 873 | |
b0cfb794 AB |
874 | f->left = !!(packet[4] & 0x01); |
875 | f->right = !!(packet[4] & 0x02); | |
25bded7c | 876 | |
02d04254 HG |
877 | f->st.x = ((packet[1] & 0x7f) << 4) | ((packet[3] & 0x30) >> 2) | |
878 | ((packet[0] & 0x30) >> 4); | |
879 | f->st.y = ((packet[2] & 0x7f) << 4) | (packet[3] & 0x0f); | |
880 | f->pressure = packet[5] & 0x7f; | |
25bded7c | 881 | |
68c21870 | 882 | alps_report_semi_mt_data(psmouse, f->fingers); |
25bded7c SF |
883 | } |
884 | ||
3808843c YT |
885 | static bool alps_is_valid_package_v7(struct psmouse *psmouse) |
886 | { | |
887 | switch (psmouse->pktcnt) { | |
888 | case 3: | |
889 | return (psmouse->packet[2] & 0x40) == 0x40; | |
890 | case 4: | |
891 | return (psmouse->packet[3] & 0x48) == 0x48; | |
892 | case 6: | |
893 | return (psmouse->packet[5] & 0x40) == 0x00; | |
894 | } | |
895 | return true; | |
896 | } | |
897 | ||
898 | static unsigned char alps_get_packet_id_v7(char *byte) | |
899 | { | |
900 | unsigned char packet_id; | |
901 | ||
902 | if (byte[4] & 0x40) | |
903 | packet_id = V7_PACKET_ID_TWO; | |
904 | else if (byte[4] & 0x01) | |
905 | packet_id = V7_PACKET_ID_MULTI; | |
906 | else if ((byte[0] & 0x10) && !(byte[4] & 0x43)) | |
907 | packet_id = V7_PACKET_ID_NEW; | |
908 | else if (byte[1] == 0x00 && byte[4] == 0x00) | |
909 | packet_id = V7_PACKET_ID_IDLE; | |
910 | else | |
911 | packet_id = V7_PACKET_ID_UNKNOWN; | |
912 | ||
913 | return packet_id; | |
914 | } | |
915 | ||
916 | static void alps_get_finger_coordinate_v7(struct input_mt_pos *mt, | |
917 | unsigned char *pkt, | |
918 | unsigned char pkt_id) | |
919 | { | |
920 | mt[0].x = ((pkt[2] & 0x80) << 4); | |
921 | mt[0].x |= ((pkt[2] & 0x3F) << 5); | |
922 | mt[0].x |= ((pkt[3] & 0x30) >> 1); | |
923 | mt[0].x |= (pkt[3] & 0x07); | |
924 | mt[0].y = (pkt[1] << 3) | (pkt[0] & 0x07); | |
925 | ||
926 | mt[1].x = ((pkt[3] & 0x80) << 4); | |
927 | mt[1].x |= ((pkt[4] & 0x80) << 3); | |
928 | mt[1].x |= ((pkt[4] & 0x3F) << 4); | |
929 | mt[1].y = ((pkt[5] & 0x80) << 3); | |
930 | mt[1].y |= ((pkt[5] & 0x3F) << 4); | |
931 | ||
932 | switch (pkt_id) { | |
933 | case V7_PACKET_ID_TWO: | |
934 | mt[1].x &= ~0x000F; | |
935 | mt[1].y |= 0x000F; | |
936 | break; | |
937 | ||
938 | case V7_PACKET_ID_MULTI: | |
939 | mt[1].x &= ~0x003F; | |
940 | mt[1].y &= ~0x0020; | |
941 | mt[1].y |= ((pkt[4] & 0x02) << 4); | |
942 | mt[1].y |= 0x001F; | |
943 | break; | |
944 | ||
945 | case V7_PACKET_ID_NEW: | |
946 | mt[1].x &= ~0x003F; | |
947 | mt[1].x |= (pkt[0] & 0x20); | |
948 | mt[1].y |= 0x000F; | |
949 | break; | |
950 | } | |
951 | ||
952 | mt[0].y = 0x7FF - mt[0].y; | |
953 | mt[1].y = 0x7FF - mt[1].y; | |
954 | } | |
955 | ||
956 | static int alps_get_mt_count(struct input_mt_pos *mt) | |
957 | { | |
7091c443 | 958 | int i, fingers = 0; |
3808843c | 959 | |
7091c443 HG |
960 | for (i = 0; i < MAX_TOUCHES; i++) { |
961 | if (mt[i].x != 0 || mt[i].y != 0) | |
962 | fingers++; | |
963 | } | |
3808843c | 964 | |
7091c443 | 965 | return fingers; |
3808843c YT |
966 | } |
967 | ||
968 | static int alps_decode_packet_v7(struct alps_fields *f, | |
969 | unsigned char *p, | |
970 | struct psmouse *psmouse) | |
971 | { | |
d27eb793 | 972 | struct alps_data *priv = psmouse->private; |
3808843c YT |
973 | unsigned char pkt_id; |
974 | ||
975 | pkt_id = alps_get_packet_id_v7(p); | |
976 | if (pkt_id == V7_PACKET_ID_IDLE) | |
977 | return 0; | |
978 | if (pkt_id == V7_PACKET_ID_UNKNOWN) | |
979 | return -1; | |
8b238115 HG |
980 | /* |
981 | * NEW packets are send to indicate a discontinuity in the finger | |
982 | * coordinate reporting. Specifically a finger may have moved from | |
983 | * slot 0 to 1 or vice versa. INPUT_MT_TRACK takes care of this for | |
984 | * us. | |
985 | * | |
986 | * NEW packets have 3 problems: | |
987 | * 1) They do not contain middle / right button info (on non clickpads) | |
988 | * this can be worked around by preserving the old button state | |
989 | * 2) They do not contain an accurate fingercount, and they are | |
990 | * typically send when the number of fingers changes. We cannot use | |
991 | * the old finger count as that may mismatch with the amount of | |
992 | * touch coordinates we've available in the NEW packet | |
993 | * 3) Their x data for the second touch is inaccurate leading to | |
994 | * a possible jump of the x coordinate by 16 units when the first | |
995 | * non NEW packet comes in | |
996 | * Since problems 2 & 3 cannot be worked around, just ignore them. | |
997 | */ | |
998 | if (pkt_id == V7_PACKET_ID_NEW) | |
999 | return 1; | |
3808843c YT |
1000 | |
1001 | alps_get_finger_coordinate_v7(f->mt, p, pkt_id); | |
1002 | ||
3808843c YT |
1003 | if (pkt_id == V7_PACKET_ID_TWO) |
1004 | f->fingers = alps_get_mt_count(f->mt); | |
8b238115 | 1005 | else /* pkt_id == V7_PACKET_ID_MULTI */ |
3808843c YT |
1006 | f->fingers = 3 + (p[5] & 0x03); |
1007 | ||
d27eb793 HG |
1008 | f->left = (p[0] & 0x80) >> 7; |
1009 | if (priv->flags & ALPS_BUTTONPAD) { | |
1010 | if (p[0] & 0x20) | |
1011 | f->fingers++; | |
1012 | if (p[0] & 0x10) | |
1013 | f->fingers++; | |
1014 | } else { | |
1015 | f->right = (p[0] & 0x20) >> 5; | |
1016 | f->middle = (p[0] & 0x10) >> 4; | |
1017 | } | |
1018 | ||
7091c443 HG |
1019 | /* Sometimes a single touch is reported in mt[1] rather then mt[0] */ |
1020 | if (f->fingers == 1 && f->mt[0].x == 0 && f->mt[0].y == 0) { | |
1021 | f->mt[0].x = f->mt[1].x; | |
1022 | f->mt[0].y = f->mt[1].y; | |
1023 | f->mt[1].x = 0; | |
1024 | f->mt[1].y = 0; | |
1025 | } | |
1026 | ||
3808843c YT |
1027 | return 0; |
1028 | } | |
1029 | ||
1030 | static void alps_process_trackstick_packet_v7(struct psmouse *psmouse) | |
1031 | { | |
1032 | struct alps_data *priv = psmouse->private; | |
1033 | unsigned char *packet = psmouse->packet; | |
1034 | struct input_dev *dev2 = priv->dev2; | |
1035 | int x, y, z, left, right, middle; | |
1036 | ||
34412ba2 PR |
1037 | /* It should be a DualPoint when received trackstick packet */ |
1038 | if (!(priv->flags & ALPS_DUALPOINT)) { | |
1039 | psmouse_warn(psmouse, | |
1040 | "Rejected trackstick packet from non DualPoint device"); | |
1041 | return; | |
1042 | } | |
1043 | ||
3808843c YT |
1044 | x = ((packet[2] & 0xbf)) | ((packet[3] & 0x10) << 2); |
1045 | y = (packet[3] & 0x07) | (packet[4] & 0xb8) | | |
1046 | ((packet[3] & 0x20) << 1); | |
1047 | z = (packet[5] & 0x3f) | ((packet[3] & 0x80) >> 1); | |
1048 | ||
1049 | left = (packet[1] & 0x01); | |
1050 | right = (packet[1] & 0x02) >> 1; | |
1051 | middle = (packet[1] & 0x04) >> 2; | |
1052 | ||
1053 | /* Divide 2 since trackpoint's speed is too fast */ | |
1054 | input_report_rel(dev2, REL_X, (char)x / 2); | |
1055 | input_report_rel(dev2, REL_Y, -((char)y / 2)); | |
1056 | ||
1057 | input_report_key(dev2, BTN_LEFT, left); | |
1058 | input_report_key(dev2, BTN_RIGHT, right); | |
1059 | input_report_key(dev2, BTN_MIDDLE, middle); | |
1060 | ||
1061 | input_sync(dev2); | |
1062 | } | |
1063 | ||
1064 | static void alps_process_touchpad_packet_v7(struct psmouse *psmouse) | |
1065 | { | |
1066 | struct alps_data *priv = psmouse->private; | |
1067 | struct input_dev *dev = psmouse->dev; | |
1068 | struct alps_fields *f = &priv->f; | |
1069 | ||
1070 | memset(f, 0, sizeof(*f)); | |
1071 | ||
1072 | if (priv->decode_fields(f, psmouse->packet, psmouse)) | |
1073 | return; | |
1074 | ||
1075 | alps_report_mt_data(psmouse, alps_get_mt_count(f->mt)); | |
1076 | ||
1077 | input_mt_report_finger_count(dev, f->fingers); | |
1078 | ||
1079 | input_report_key(dev, BTN_LEFT, f->left); | |
1080 | input_report_key(dev, BTN_RIGHT, f->right); | |
1081 | input_report_key(dev, BTN_MIDDLE, f->middle); | |
1082 | ||
1083 | input_sync(dev); | |
1084 | } | |
1085 | ||
1086 | static void alps_process_packet_v7(struct psmouse *psmouse) | |
1087 | { | |
1088 | unsigned char *packet = psmouse->packet; | |
1089 | ||
1090 | if (packet[0] == 0x48 && (packet[4] & 0x47) == 0x06) | |
1091 | alps_process_trackstick_packet_v7(psmouse); | |
1092 | else | |
1093 | alps_process_touchpad_packet_v7(psmouse); | |
1094 | } | |
1095 | ||
07f19e3d | 1096 | static unsigned char alps_get_pkt_id_ss4_v2(unsigned char *byte) |
3db5b9f7 MO |
1097 | { |
1098 | unsigned char pkt_id = SS4_PACKET_ID_IDLE; | |
1099 | ||
1100 | if (byte[0] == 0x18 && byte[1] == 0x10 && byte[2] == 0x00 && | |
1101 | (byte[3] & 0x88) == 0x08 && byte[4] == 0x10 && byte[5] == 0x00) { | |
1102 | pkt_id = SS4_PACKET_ID_IDLE; | |
1103 | } else if (!(byte[3] & 0x10)) { | |
1104 | pkt_id = SS4_PACKET_ID_ONE; | |
1105 | } else if (!(byte[3] & 0x20)) { | |
1106 | pkt_id = SS4_PACKET_ID_TWO; | |
1107 | } else { | |
1108 | pkt_id = SS4_PACKET_ID_MULTI; | |
1109 | } | |
1110 | ||
1111 | return pkt_id; | |
1112 | } | |
1113 | ||
1114 | static int alps_decode_ss4_v2(struct alps_fields *f, | |
1115 | unsigned char *p, struct psmouse *psmouse) | |
1116 | { | |
1117 | struct alps_data *priv = psmouse->private; | |
1118 | unsigned char pkt_id; | |
1119 | unsigned int no_data_x, no_data_y; | |
1120 | ||
1121 | pkt_id = alps_get_pkt_id_ss4_v2(p); | |
1122 | ||
1123 | /* Current packet is 1Finger coordinate packet */ | |
1124 | switch (pkt_id) { | |
1125 | case SS4_PACKET_ID_ONE: | |
1126 | f->mt[0].x = SS4_1F_X_V2(p); | |
1127 | f->mt[0].y = SS4_1F_Y_V2(p); | |
1128 | f->pressure = ((SS4_1F_Z_V2(p)) * 2) & 0x7f; | |
1129 | f->fingers = 1; | |
1130 | f->first_mp = 0; | |
1131 | f->is_mp = 0; | |
1132 | break; | |
1133 | ||
1134 | case SS4_PACKET_ID_TWO: | |
1135 | if (priv->flags & ALPS_BUTTONPAD) { | |
1136 | f->mt[0].x = SS4_BTL_MF_X_V2(p, 0); | |
1137 | f->mt[0].y = SS4_BTL_MF_Y_V2(p, 0); | |
1138 | f->mt[1].x = SS4_BTL_MF_X_V2(p, 1); | |
1139 | f->mt[1].y = SS4_BTL_MF_Y_V2(p, 1); | |
1140 | } else { | |
1141 | f->mt[0].x = SS4_STD_MF_X_V2(p, 0); | |
1142 | f->mt[0].y = SS4_STD_MF_Y_V2(p, 0); | |
1143 | f->mt[1].x = SS4_STD_MF_X_V2(p, 1); | |
1144 | f->mt[1].y = SS4_STD_MF_Y_V2(p, 1); | |
1145 | } | |
1146 | f->pressure = SS4_MF_Z_V2(p, 0) ? 0x30 : 0; | |
1147 | ||
1148 | if (SS4_IS_MF_CONTINUE(p)) { | |
1149 | f->first_mp = 1; | |
1150 | } else { | |
1151 | f->fingers = 2; | |
1152 | f->first_mp = 0; | |
1153 | } | |
1154 | f->is_mp = 0; | |
1155 | ||
1156 | break; | |
1157 | ||
1158 | case SS4_PACKET_ID_MULTI: | |
1159 | if (priv->flags & ALPS_BUTTONPAD) { | |
1160 | f->mt[2].x = SS4_BTL_MF_X_V2(p, 0); | |
1161 | f->mt[2].y = SS4_BTL_MF_Y_V2(p, 0); | |
1162 | f->mt[3].x = SS4_BTL_MF_X_V2(p, 1); | |
1163 | f->mt[3].y = SS4_BTL_MF_Y_V2(p, 1); | |
1164 | no_data_x = SS4_MFPACKET_NO_AX_BL; | |
1165 | no_data_y = SS4_MFPACKET_NO_AY_BL; | |
1166 | } else { | |
1167 | f->mt[2].x = SS4_STD_MF_X_V2(p, 0); | |
1168 | f->mt[2].y = SS4_STD_MF_Y_V2(p, 0); | |
1169 | f->mt[3].x = SS4_STD_MF_X_V2(p, 1); | |
1170 | f->mt[3].y = SS4_STD_MF_Y_V2(p, 1); | |
1171 | no_data_x = SS4_MFPACKET_NO_AX; | |
1172 | no_data_y = SS4_MFPACKET_NO_AY; | |
1173 | } | |
1174 | ||
1175 | f->first_mp = 0; | |
1176 | f->is_mp = 1; | |
1177 | ||
1178 | if (SS4_IS_5F_DETECTED(p)) { | |
1179 | f->fingers = 5; | |
1180 | } else if (f->mt[3].x == no_data_x && | |
1181 | f->mt[3].y == no_data_y) { | |
1182 | f->mt[3].x = 0; | |
1183 | f->mt[3].y = 0; | |
1184 | f->fingers = 3; | |
1185 | } else { | |
1186 | f->fingers = 4; | |
1187 | } | |
1188 | break; | |
1189 | ||
1190 | case SS4_PACKET_ID_IDLE: | |
1191 | default: | |
1192 | memset(f, 0, sizeof(struct alps_fields)); | |
1193 | break; | |
1194 | } | |
1195 | ||
1196 | f->left = !!(SS4_BTN_V2(p) & 0x01); | |
1197 | if (!(priv->flags & ALPS_BUTTONPAD)) { | |
1198 | f->right = !!(SS4_BTN_V2(p) & 0x02); | |
1199 | f->middle = !!(SS4_BTN_V2(p) & 0x04); | |
1200 | } | |
1201 | ||
1202 | return 0; | |
1203 | } | |
1204 | ||
1205 | static void alps_process_packet_ss4_v2(struct psmouse *psmouse) | |
1206 | { | |
1207 | struct alps_data *priv = psmouse->private; | |
1208 | unsigned char *packet = psmouse->packet; | |
1209 | struct input_dev *dev = psmouse->dev; | |
1210 | struct alps_fields *f = &priv->f; | |
1211 | ||
1212 | memset(f, 0, sizeof(struct alps_fields)); | |
1213 | priv->decode_fields(f, packet, psmouse); | |
1214 | if (priv->multi_packet) { | |
1215 | /* | |
1216 | * Sometimes the first packet will indicate a multi-packet | |
1217 | * sequence, but sometimes the next multi-packet would not | |
1218 | * come. Check for this, and when it happens process the | |
1219 | * position packet as usual. | |
1220 | */ | |
1221 | if (f->is_mp) { | |
1222 | /* Now process the 1st packet */ | |
1223 | priv->decode_fields(f, priv->multi_data, psmouse); | |
1224 | } else { | |
1225 | priv->multi_packet = 0; | |
1226 | } | |
1227 | } | |
1228 | ||
1229 | /* | |
1230 | * "f.is_mp" would always be '0' after merging the 1st and 2nd packet. | |
1231 | * When it is set, it means 2nd packet comes without 1st packet come. | |
1232 | */ | |
1233 | if (f->is_mp) | |
1234 | return; | |
1235 | ||
1236 | /* Save the first packet */ | |
1237 | if (!priv->multi_packet && f->first_mp) { | |
1238 | priv->multi_packet = 1; | |
1239 | memcpy(priv->multi_data, packet, sizeof(priv->multi_data)); | |
1240 | return; | |
1241 | } | |
1242 | ||
1243 | priv->multi_packet = 0; | |
1244 | ||
1245 | alps_report_mt_data(psmouse, (f->fingers <= 4) ? f->fingers : 4); | |
1246 | ||
1247 | input_mt_report_finger_count(dev, f->fingers); | |
1248 | ||
1249 | input_report_key(dev, BTN_LEFT, f->left); | |
1250 | input_report_key(dev, BTN_RIGHT, f->right); | |
1251 | input_report_key(dev, BTN_MIDDLE, f->middle); | |
1252 | ||
1253 | input_report_abs(dev, ABS_PRESSURE, f->pressure); | |
1254 | input_sync(dev); | |
1255 | } | |
1256 | ||
1257 | static bool alps_is_valid_package_ss4_v2(struct psmouse *psmouse) | |
1258 | { | |
1259 | if (psmouse->pktcnt == 4 && ((psmouse->packet[3] & 0x08) != 0x08)) | |
1260 | return false; | |
1261 | if (psmouse->pktcnt == 6 && ((psmouse->packet[5] & 0x10) != 0x0)) | |
1262 | return false; | |
1263 | return true; | |
1264 | } | |
1265 | ||
04aae283 PR |
1266 | static DEFINE_MUTEX(alps_mutex); |
1267 | ||
1268 | static void alps_register_bare_ps2_mouse(struct work_struct *work) | |
1269 | { | |
1270 | struct alps_data *priv = | |
1271 | container_of(work, struct alps_data, dev3_register_work.work); | |
1272 | struct psmouse *psmouse = priv->psmouse; | |
1273 | struct input_dev *dev3; | |
1274 | int error = 0; | |
1275 | ||
1276 | mutex_lock(&alps_mutex); | |
1277 | ||
1278 | if (priv->dev3) | |
1279 | goto out; | |
1280 | ||
1281 | dev3 = input_allocate_device(); | |
1282 | if (!dev3) { | |
1283 | psmouse_err(psmouse, "failed to allocate secondary device\n"); | |
1284 | error = -ENOMEM; | |
1285 | goto out; | |
1286 | } | |
1287 | ||
1288 | snprintf(priv->phys3, sizeof(priv->phys3), "%s/%s", | |
1289 | psmouse->ps2dev.serio->phys, | |
1290 | (priv->dev2 ? "input2" : "input1")); | |
1291 | dev3->phys = priv->phys3; | |
1292 | ||
1293 | /* | |
1294 | * format of input device name is: "protocol vendor name" | |
1295 | * see function psmouse_switch_protocol() in psmouse-base.c | |
1296 | */ | |
1297 | dev3->name = "PS/2 ALPS Mouse"; | |
1298 | ||
1299 | dev3->id.bustype = BUS_I8042; | |
1300 | dev3->id.vendor = 0x0002; | |
1301 | dev3->id.product = PSMOUSE_PS2; | |
1302 | dev3->id.version = 0x0000; | |
1303 | dev3->dev.parent = &psmouse->ps2dev.serio->dev; | |
1304 | ||
1305 | input_set_capability(dev3, EV_REL, REL_X); | |
1306 | input_set_capability(dev3, EV_REL, REL_Y); | |
1307 | input_set_capability(dev3, EV_KEY, BTN_LEFT); | |
1308 | input_set_capability(dev3, EV_KEY, BTN_RIGHT); | |
1309 | input_set_capability(dev3, EV_KEY, BTN_MIDDLE); | |
1310 | ||
1311 | __set_bit(INPUT_PROP_POINTER, dev3->propbit); | |
1312 | ||
1313 | error = input_register_device(dev3); | |
1314 | if (error) { | |
1315 | psmouse_err(psmouse, | |
1316 | "failed to register secondary device: %d\n", | |
1317 | error); | |
1318 | input_free_device(dev3); | |
1319 | goto out; | |
1320 | } | |
1321 | ||
1322 | priv->dev3 = dev3; | |
1323 | ||
1324 | out: | |
1325 | /* | |
1326 | * Save the error code so that we can detect that we | |
1327 | * already tried to create the device. | |
1328 | */ | |
1329 | if (error) | |
1330 | priv->dev3 = ERR_PTR(error); | |
1331 | ||
1332 | mutex_unlock(&alps_mutex); | |
1333 | } | |
1334 | ||
59c30afb | 1335 | static void alps_report_bare_ps2_packet(struct psmouse *psmouse, |
1d9f2626 SK |
1336 | unsigned char packet[], |
1337 | bool report_buttons) | |
1338 | { | |
59c30afb HG |
1339 | struct alps_data *priv = psmouse->private; |
1340 | struct input_dev *dev; | |
1341 | ||
e3a79212 HG |
1342 | /* Figure out which device to use to report the bare packet */ |
1343 | if (priv->proto_version == ALPS_PROTO_V2 && | |
1344 | (priv->flags & ALPS_DUALPOINT)) { | |
1345 | /* On V2 devices the DualPoint Stick reports bare packets */ | |
1346 | dev = priv->dev2; | |
1347 | } else if (unlikely(IS_ERR_OR_NULL(priv->dev3))) { | |
59c30afb HG |
1348 | /* Register dev3 mouse if we received PS/2 packet first time */ |
1349 | if (!IS_ERR(priv->dev3)) | |
1350 | psmouse_queue_work(psmouse, &priv->dev3_register_work, | |
1351 | 0); | |
1352 | return; | |
1353 | } else { | |
1354 | dev = priv->dev3; | |
1355 | } | |
1356 | ||
1d9f2626 | 1357 | if (report_buttons) |
04aae283 | 1358 | alps_report_buttons(dev, NULL, |
1d9f2626 SK |
1359 | packet[0] & 1, packet[0] & 2, packet[0] & 4); |
1360 | ||
04aae283 | 1361 | input_report_rel(dev, REL_X, |
1d9f2626 | 1362 | packet[1] ? packet[1] - ((packet[0] << 4) & 0x100) : 0); |
04aae283 | 1363 | input_report_rel(dev, REL_Y, |
1d9f2626 SK |
1364 | packet[2] ? ((packet[0] << 3) & 0x100) - packet[2] : 0); |
1365 | ||
04aae283 | 1366 | input_sync(dev); |
1d9f2626 SK |
1367 | } |
1368 | ||
1369 | static psmouse_ret_t alps_handle_interleaved_ps2(struct psmouse *psmouse) | |
1370 | { | |
1371 | struct alps_data *priv = psmouse->private; | |
1372 | ||
1373 | if (psmouse->pktcnt < 6) | |
1374 | return PSMOUSE_GOOD_DATA; | |
1375 | ||
1376 | if (psmouse->pktcnt == 6) { | |
1377 | /* | |
1378 | * Start a timer to flush the packet if it ends up last | |
1379 | * 6-byte packet in the stream. Timer needs to fire | |
1380 | * psmouse core times out itself. 20 ms should be enough | |
1381 | * to decide if we are getting more data or not. | |
1382 | */ | |
1383 | mod_timer(&priv->timer, jiffies + msecs_to_jiffies(20)); | |
1384 | return PSMOUSE_GOOD_DATA; | |
1385 | } | |
1386 | ||
1387 | del_timer(&priv->timer); | |
1388 | ||
1389 | if (psmouse->packet[6] & 0x80) { | |
1390 | ||
1391 | /* | |
1392 | * Highest bit is set - that means we either had | |
1393 | * complete ALPS packet and this is start of the | |
1394 | * next packet or we got garbage. | |
1395 | */ | |
1396 | ||
1397 | if (((psmouse->packet[3] | | |
1398 | psmouse->packet[4] | | |
1399 | psmouse->packet[5]) & 0x80) || | |
99df65e7 | 1400 | (!alps_is_valid_first_byte(priv, psmouse->packet[6]))) { |
b5d21704 | 1401 | psmouse_dbg(psmouse, |
3b112923 AS |
1402 | "refusing packet %4ph (suspected interleaved ps/2)\n", |
1403 | psmouse->packet + 3); | |
1d9f2626 SK |
1404 | return PSMOUSE_BAD_DATA; |
1405 | } | |
1406 | ||
24af5cb9 | 1407 | priv->process_packet(psmouse); |
1d9f2626 SK |
1408 | |
1409 | /* Continue with the next packet */ | |
1410 | psmouse->packet[0] = psmouse->packet[6]; | |
1411 | psmouse->pktcnt = 1; | |
1412 | ||
1413 | } else { | |
1414 | ||
1415 | /* | |
1416 | * High bit is 0 - that means that we indeed got a PS/2 | |
1417 | * packet in the middle of ALPS packet. | |
1418 | * | |
1419 | * There is also possibility that we got 6-byte ALPS | |
1420 | * packet followed by 3-byte packet from trackpoint. We | |
1421 | * can not distinguish between these 2 scenarios but | |
b5d21704 | 1422 | * because the latter is unlikely to happen in course of |
1d9f2626 SK |
1423 | * normal operation (user would need to press all |
1424 | * buttons on the pad and start moving trackpoint | |
1425 | * without touching the pad surface) we assume former. | |
1426 | * Even if we are wrong the wost thing that would happen | |
1427 | * the cursor would jump but we should not get protocol | |
b5d21704 | 1428 | * de-synchronization. |
1d9f2626 SK |
1429 | */ |
1430 | ||
59c30afb HG |
1431 | alps_report_bare_ps2_packet(psmouse, &psmouse->packet[3], |
1432 | false); | |
1d9f2626 SK |
1433 | |
1434 | /* | |
1435 | * Continue with the standard ALPS protocol handling, | |
1436 | * but make sure we won't process it as an interleaved | |
1437 | * packet again, which may happen if all buttons are | |
1438 | * pressed. To avoid this let's reset the 4th bit which | |
1439 | * is normally 1. | |
1440 | */ | |
1441 | psmouse->packet[3] = psmouse->packet[6] & 0xf7; | |
1442 | psmouse->pktcnt = 4; | |
1443 | } | |
1444 | ||
1445 | return PSMOUSE_GOOD_DATA; | |
1446 | } | |
1447 | ||
1448 | static void alps_flush_packet(unsigned long data) | |
1449 | { | |
1450 | struct psmouse *psmouse = (struct psmouse *)data; | |
24af5cb9 | 1451 | struct alps_data *priv = psmouse->private; |
1d9f2626 SK |
1452 | |
1453 | serio_pause_rx(psmouse->ps2dev.serio); | |
1454 | ||
b46615fe | 1455 | if (psmouse->pktcnt == psmouse->pktsize) { |
1d9f2626 SK |
1456 | |
1457 | /* | |
1458 | * We did not any more data in reasonable amount of time. | |
1459 | * Validate the last 3 bytes and process as a standard | |
1460 | * ALPS packet. | |
1461 | */ | |
1462 | if ((psmouse->packet[3] | | |
1463 | psmouse->packet[4] | | |
1464 | psmouse->packet[5]) & 0x80) { | |
b5d21704 | 1465 | psmouse_dbg(psmouse, |
3b112923 AS |
1466 | "refusing packet %3ph (suspected interleaved ps/2)\n", |
1467 | psmouse->packet + 3); | |
1d9f2626 | 1468 | } else { |
24af5cb9 | 1469 | priv->process_packet(psmouse); |
1d9f2626 SK |
1470 | } |
1471 | psmouse->pktcnt = 0; | |
1472 | } | |
1473 | ||
1474 | serio_continue_rx(psmouse->ps2dev.serio); | |
1475 | } | |
1476 | ||
7d12e780 | 1477 | static psmouse_ret_t alps_process_byte(struct psmouse *psmouse) |
1da177e4 LT |
1478 | { |
1479 | struct alps_data *priv = psmouse->private; | |
1480 | ||
4ab8f7f3 PR |
1481 | /* |
1482 | * Check if we are dealing with a bare PS/2 packet, presumably from | |
1483 | * a device connected to the external PS/2 port. Because bare PS/2 | |
1484 | * protocol does not have enough constant bits to self-synchronize | |
1485 | * properly we only do this if the device is fully synchronized. | |
3db5b9f7 | 1486 | * Can not distinguish V8's first byte from PS/2 packet's |
4ab8f7f3 | 1487 | */ |
3db5b9f7 MO |
1488 | if (priv->proto_version != ALPS_PROTO_V8 && |
1489 | !psmouse->out_of_sync_cnt && | |
1490 | (psmouse->packet[0] & 0xc8) == 0x08) { | |
1491 | ||
1da177e4 | 1492 | if (psmouse->pktcnt == 3) { |
59c30afb HG |
1493 | alps_report_bare_ps2_packet(psmouse, psmouse->packet, |
1494 | true); | |
1da177e4 LT |
1495 | return PSMOUSE_FULL_PACKET; |
1496 | } | |
1497 | return PSMOUSE_GOOD_DATA; | |
1498 | } | |
1499 | ||
1d9f2626 SK |
1500 | /* Check for PS/2 packet stuffed in the middle of ALPS packet. */ |
1501 | ||
99df65e7 | 1502 | if ((priv->flags & ALPS_PS2_INTERLEAVED) && |
1d9f2626 SK |
1503 | psmouse->pktcnt >= 4 && (psmouse->packet[3] & 0x0f) == 0x0f) { |
1504 | return alps_handle_interleaved_ps2(psmouse); | |
1505 | } | |
1506 | ||
99df65e7 | 1507 | if (!alps_is_valid_first_byte(priv, psmouse->packet[0])) { |
b5d21704 DT |
1508 | psmouse_dbg(psmouse, |
1509 | "refusing packet[0] = %x (mask0 = %x, byte0 = %x)\n", | |
99df65e7 | 1510 | psmouse->packet[0], priv->mask0, priv->byte0); |
1da177e4 | 1511 | return PSMOUSE_BAD_DATA; |
1d9f2626 | 1512 | } |
1da177e4 | 1513 | |
b46615fe | 1514 | /* Bytes 2 - pktsize should have 0 in the highest bit */ |
a7ef82ae | 1515 | if (priv->proto_version < ALPS_PROTO_V5 && |
75af9e56 | 1516 | psmouse->pktcnt >= 2 && psmouse->pktcnt <= psmouse->pktsize && |
1d9f2626 | 1517 | (psmouse->packet[psmouse->pktcnt - 1] & 0x80)) { |
b5d21704 DT |
1518 | psmouse_dbg(psmouse, "refusing packet[%i] = %x\n", |
1519 | psmouse->pktcnt - 1, | |
1520 | psmouse->packet[psmouse->pktcnt - 1]); | |
a7ef82ae | 1521 | |
fb2dd7a6 | 1522 | if (priv->proto_version == ALPS_PROTO_V3_RUSHMORE && |
a7ef82ae PR |
1523 | psmouse->pktcnt == psmouse->pktsize) { |
1524 | /* | |
1525 | * Some Dell boxes, such as Latitude E6440 or E7440 | |
1526 | * with closed lid, quite often smash last byte of | |
1527 | * otherwise valid packet with 0xff. Given that the | |
1528 | * next packet is very likely to be valid let's | |
1529 | * report PSMOUSE_FULL_PACKET but not process data, | |
1530 | * rather than reporting PSMOUSE_BAD_DATA and | |
1531 | * filling the logs. | |
1532 | */ | |
1533 | return PSMOUSE_FULL_PACKET; | |
1534 | } | |
1535 | ||
1da177e4 | 1536 | return PSMOUSE_BAD_DATA; |
1d9f2626 | 1537 | } |
1da177e4 | 1538 | |
3db5b9f7 MO |
1539 | if ((priv->proto_version == ALPS_PROTO_V7 && |
1540 | !alps_is_valid_package_v7(psmouse)) || | |
1541 | (priv->proto_version == ALPS_PROTO_V8 && | |
1542 | !alps_is_valid_package_ss4_v2(psmouse))) { | |
3808843c YT |
1543 | psmouse_dbg(psmouse, "refusing packet[%i] = %x\n", |
1544 | psmouse->pktcnt - 1, | |
1545 | psmouse->packet[psmouse->pktcnt - 1]); | |
1546 | return PSMOUSE_BAD_DATA; | |
1547 | } | |
1548 | ||
b46615fe | 1549 | if (psmouse->pktcnt == psmouse->pktsize) { |
24af5cb9 | 1550 | priv->process_packet(psmouse); |
1da177e4 LT |
1551 | return PSMOUSE_FULL_PACKET; |
1552 | } | |
1553 | ||
1554 | return PSMOUSE_GOOD_DATA; | |
1555 | } | |
1556 | ||
25bded7c SF |
1557 | static int alps_command_mode_send_nibble(struct psmouse *psmouse, int nibble) |
1558 | { | |
1559 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1560 | struct alps_data *priv = psmouse->private; | |
1561 | int command; | |
1562 | unsigned char *param; | |
1563 | unsigned char dummy[4]; | |
1564 | ||
1565 | BUG_ON(nibble > 0xf); | |
1566 | ||
1567 | command = priv->nibble_commands[nibble].command; | |
1568 | param = (command & 0x0f00) ? | |
1569 | dummy : (unsigned char *)&priv->nibble_commands[nibble].data; | |
1570 | ||
1571 | if (ps2_command(ps2dev, param, command)) | |
1572 | return -1; | |
1573 | ||
1574 | return 0; | |
1575 | } | |
1576 | ||
1577 | static int alps_command_mode_set_addr(struct psmouse *psmouse, int addr) | |
1578 | { | |
1579 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1580 | struct alps_data *priv = psmouse->private; | |
1581 | int i, nibble; | |
1582 | ||
1583 | if (ps2_command(ps2dev, NULL, priv->addr_command)) | |
1584 | return -1; | |
1585 | ||
1586 | for (i = 12; i >= 0; i -= 4) { | |
1587 | nibble = (addr >> i) & 0xf; | |
1588 | if (alps_command_mode_send_nibble(psmouse, nibble)) | |
1589 | return -1; | |
1590 | } | |
1591 | ||
1592 | return 0; | |
1593 | } | |
1594 | ||
1595 | static int __alps_command_mode_read_reg(struct psmouse *psmouse, int addr) | |
1596 | { | |
1597 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1598 | unsigned char param[4]; | |
1599 | ||
1600 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) | |
1601 | return -1; | |
1602 | ||
1603 | /* | |
1604 | * The address being read is returned in the first two bytes | |
1605 | * of the result. Check that this address matches the expected | |
1606 | * address. | |
1607 | */ | |
1608 | if (addr != ((param[0] << 8) | param[1])) | |
1609 | return -1; | |
1610 | ||
1611 | return param[2]; | |
1612 | } | |
1613 | ||
1614 | static int alps_command_mode_read_reg(struct psmouse *psmouse, int addr) | |
1615 | { | |
1616 | if (alps_command_mode_set_addr(psmouse, addr)) | |
1617 | return -1; | |
1618 | return __alps_command_mode_read_reg(psmouse, addr); | |
1619 | } | |
1620 | ||
1621 | static int __alps_command_mode_write_reg(struct psmouse *psmouse, u8 value) | |
1622 | { | |
1623 | if (alps_command_mode_send_nibble(psmouse, (value >> 4) & 0xf)) | |
1624 | return -1; | |
1625 | if (alps_command_mode_send_nibble(psmouse, value & 0xf)) | |
1626 | return -1; | |
1627 | return 0; | |
1628 | } | |
1629 | ||
1630 | static int alps_command_mode_write_reg(struct psmouse *psmouse, int addr, | |
1631 | u8 value) | |
1632 | { | |
1633 | if (alps_command_mode_set_addr(psmouse, addr)) | |
1634 | return -1; | |
1635 | return __alps_command_mode_write_reg(psmouse, value); | |
1636 | } | |
1637 | ||
24ba9707 KC |
1638 | static int alps_rpt_cmd(struct psmouse *psmouse, int init_command, |
1639 | int repeated_command, unsigned char *param) | |
1640 | { | |
1641 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1642 | ||
1643 | param[0] = 0; | |
1644 | if (init_command && ps2_command(ps2dev, param, init_command)) | |
1645 | return -EIO; | |
1646 | ||
1647 | if (ps2_command(ps2dev, NULL, repeated_command) || | |
1648 | ps2_command(ps2dev, NULL, repeated_command) || | |
1649 | ps2_command(ps2dev, NULL, repeated_command)) | |
1650 | return -EIO; | |
1651 | ||
1652 | param[0] = param[1] = param[2] = 0xff; | |
1653 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) | |
1654 | return -EIO; | |
1655 | ||
39fbe585 DT |
1656 | psmouse_dbg(psmouse, "%2.2X report: %3ph\n", |
1657 | repeated_command, param); | |
24ba9707 KC |
1658 | return 0; |
1659 | } | |
1660 | ||
3808843c YT |
1661 | static bool alps_check_valid_firmware_id(unsigned char id[]) |
1662 | { | |
1663 | if (id[0] == 0x73) | |
1664 | return true; | |
1665 | ||
1666 | if (id[0] == 0x88 && | |
1667 | (id[1] == 0x07 || | |
1668 | id[1] == 0x08 || | |
1669 | (id[1] & 0xf0) == 0xb0 || | |
1670 | (id[1] & 0xf0) == 0xc0)) { | |
1671 | return true; | |
1672 | } | |
1673 | ||
1674 | return false; | |
1675 | } | |
1676 | ||
d18e53fc | 1677 | static int alps_enter_command_mode(struct psmouse *psmouse) |
25bded7c SF |
1678 | { |
1679 | unsigned char param[4]; | |
25bded7c | 1680 | |
24ba9707 | 1681 | if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_RESET_WRAP, param)) { |
25bded7c SF |
1682 | psmouse_err(psmouse, "failed to enter command mode\n"); |
1683 | return -1; | |
1684 | } | |
1685 | ||
3808843c | 1686 | if (!alps_check_valid_firmware_id(param)) { |
25bded7c | 1687 | psmouse_dbg(psmouse, |
24ba9707 | 1688 | "unknown response while entering command mode\n"); |
25bded7c SF |
1689 | return -1; |
1690 | } | |
25bded7c SF |
1691 | return 0; |
1692 | } | |
1693 | ||
1694 | static inline int alps_exit_command_mode(struct psmouse *psmouse) | |
1695 | { | |
1696 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1697 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM)) | |
1698 | return -1; | |
1699 | return 0; | |
1700 | } | |
1701 | ||
1da177e4 LT |
1702 | /* |
1703 | * For DualPoint devices select the device that should respond to | |
1704 | * subsequent commands. It looks like glidepad is behind stickpointer, | |
1705 | * I'd thought it would be other way around... | |
1706 | */ | |
25bded7c | 1707 | static int alps_passthrough_mode_v2(struct psmouse *psmouse, bool enable) |
1da177e4 LT |
1708 | { |
1709 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1da177e4 LT |
1710 | int cmd = enable ? PSMOUSE_CMD_SETSCALE21 : PSMOUSE_CMD_SETSCALE11; |
1711 | ||
1712 | if (ps2_command(ps2dev, NULL, cmd) || | |
1713 | ps2_command(ps2dev, NULL, cmd) || | |
1714 | ps2_command(ps2dev, NULL, cmd) || | |
1715 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE)) | |
1716 | return -1; | |
1717 | ||
1718 | /* we may get 3 more bytes, just ignore them */ | |
c611763d | 1719 | ps2_drain(ps2dev, 3, 100); |
1da177e4 LT |
1720 | |
1721 | return 0; | |
1722 | } | |
1723 | ||
25bded7c | 1724 | static int alps_absolute_mode_v1_v2(struct psmouse *psmouse) |
1da177e4 LT |
1725 | { |
1726 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1727 | ||
1728 | /* Try ALPS magic knock - 4 disable before enable */ | |
1729 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1730 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1731 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1732 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1733 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) | |
1734 | return -1; | |
1735 | ||
1736 | /* | |
1737 | * Switch mouse to poll (remote) mode so motion data will not | |
1738 | * get in our way | |
1739 | */ | |
1740 | return ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETPOLL); | |
1741 | } | |
1742 | ||
95f75e91 YT |
1743 | static int alps_monitor_mode_send_word(struct psmouse *psmouse, u16 word) |
1744 | { | |
1745 | int i, nibble; | |
1746 | ||
1747 | /* | |
1748 | * b0-b11 are valid bits, send sequence is inverse. | |
1749 | * e.g. when word = 0x0123, nibble send sequence is 3, 2, 1 | |
1750 | */ | |
1751 | for (i = 0; i <= 8; i += 4) { | |
1752 | nibble = (word >> i) & 0xf; | |
1753 | if (alps_command_mode_send_nibble(psmouse, nibble)) | |
1754 | return -1; | |
1755 | } | |
1756 | ||
1757 | return 0; | |
1758 | } | |
1759 | ||
1760 | static int alps_monitor_mode_write_reg(struct psmouse *psmouse, | |
1761 | u16 addr, u16 value) | |
1762 | { | |
1763 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1764 | ||
1765 | /* 0x0A0 is the command to write the word */ | |
1766 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE) || | |
1767 | alps_monitor_mode_send_word(psmouse, 0x0A0) || | |
1768 | alps_monitor_mode_send_word(psmouse, addr) || | |
1769 | alps_monitor_mode_send_word(psmouse, value) || | |
1770 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE)) | |
1771 | return -1; | |
1772 | ||
1773 | return 0; | |
1774 | } | |
1775 | ||
1776 | static int alps_monitor_mode(struct psmouse *psmouse, bool enable) | |
1777 | { | |
1778 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1779 | ||
1780 | if (enable) { | |
1781 | /* EC E9 F5 F5 E7 E6 E7 E9 to enter monitor mode */ | |
1782 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP) || | |
1783 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_GETINFO) || | |
1784 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1785 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1786 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) || | |
1787 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || | |
1788 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) || | |
1789 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_GETINFO)) | |
1790 | return -1; | |
1791 | } else { | |
1792 | /* EC to exit monitor mode */ | |
1793 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP)) | |
1794 | return -1; | |
1795 | } | |
1796 | ||
1797 | return 0; | |
1798 | } | |
1799 | ||
1800 | static int alps_absolute_mode_v6(struct psmouse *psmouse) | |
1801 | { | |
1802 | u16 reg_val = 0x181; | |
1803 | int ret = -1; | |
1804 | ||
1805 | /* enter monitor mode, to write the register */ | |
1806 | if (alps_monitor_mode(psmouse, true)) | |
1807 | return -1; | |
1808 | ||
1809 | ret = alps_monitor_mode_write_reg(psmouse, 0x000, reg_val); | |
1810 | ||
1811 | if (alps_monitor_mode(psmouse, false)) | |
1812 | ret = -1; | |
1813 | ||
1814 | return ret; | |
1815 | } | |
1816 | ||
1da177e4 LT |
1817 | static int alps_get_status(struct psmouse *psmouse, char *param) |
1818 | { | |
1da177e4 | 1819 | /* Get status: 0xF5 0xF5 0xF5 0xE9 */ |
24ba9707 | 1820 | if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_DISABLE, param)) |
1da177e4 LT |
1821 | return -1; |
1822 | ||
1da177e4 LT |
1823 | return 0; |
1824 | } | |
1825 | ||
1826 | /* | |
1827 | * Turn touchpad tapping on or off. The sequences are: | |
1828 | * 0xE9 0xF5 0xF5 0xF3 0x0A to enable, | |
1829 | * 0xE9 0xF5 0xF5 0xE8 0x00 to disable. | |
1830 | * My guess that 0xE9 (GetInfo) is here as a sync point. | |
1831 | * For models that also have stickpointer (DualPoints) its tapping | |
1832 | * is controlled separately (0xE6 0xE6 0xE6 0xF3 0x14|0x0A) but | |
1833 | * we don't fiddle with it. | |
1834 | */ | |
1835 | static int alps_tap_mode(struct psmouse *psmouse, int enable) | |
1836 | { | |
1837 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1838 | int cmd = enable ? PSMOUSE_CMD_SETRATE : PSMOUSE_CMD_SETRES; | |
1839 | unsigned char tap_arg = enable ? 0x0A : 0x00; | |
1840 | unsigned char param[4]; | |
1841 | ||
1842 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO) || | |
1843 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1844 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1845 | ps2_command(ps2dev, &tap_arg, cmd)) | |
1846 | return -1; | |
1847 | ||
1848 | if (alps_get_status(psmouse, param)) | |
1849 | return -1; | |
1850 | ||
1851 | return 0; | |
1852 | } | |
1853 | ||
f0d5c6f4 DT |
1854 | /* |
1855 | * alps_poll() - poll the touchpad for current motion packet. | |
1856 | * Used in resync. | |
1857 | */ | |
1858 | static int alps_poll(struct psmouse *psmouse) | |
1859 | { | |
1860 | struct alps_data *priv = psmouse->private; | |
b46615fe | 1861 | unsigned char buf[sizeof(psmouse->packet)]; |
b7802c5c | 1862 | bool poll_failed; |
f0d5c6f4 | 1863 | |
99df65e7 | 1864 | if (priv->flags & ALPS_PASS) |
25bded7c | 1865 | alps_passthrough_mode_v2(psmouse, true); |
f0d5c6f4 DT |
1866 | |
1867 | poll_failed = ps2_command(&psmouse->ps2dev, buf, | |
1868 | PSMOUSE_CMD_POLL | (psmouse->pktsize << 8)) < 0; | |
1869 | ||
99df65e7 | 1870 | if (priv->flags & ALPS_PASS) |
25bded7c | 1871 | alps_passthrough_mode_v2(psmouse, false); |
f0d5c6f4 | 1872 | |
99df65e7 | 1873 | if (poll_failed || (buf[0] & priv->mask0) != priv->byte0) |
f0d5c6f4 DT |
1874 | return -1; |
1875 | ||
1876 | if ((psmouse->badbyte & 0xc8) == 0x08) { | |
1877 | /* | |
1878 | * Poll the track stick ... | |
1879 | */ | |
1880 | if (ps2_command(&psmouse->ps2dev, buf, PSMOUSE_CMD_POLL | (3 << 8))) | |
1881 | return -1; | |
1882 | } | |
1883 | ||
1884 | memcpy(psmouse->packet, buf, sizeof(buf)); | |
1885 | return 0; | |
1886 | } | |
1887 | ||
25bded7c | 1888 | static int alps_hw_init_v1_v2(struct psmouse *psmouse) |
1da177e4 LT |
1889 | { |
1890 | struct alps_data *priv = psmouse->private; | |
f3a5c73d | 1891 | |
99df65e7 | 1892 | if ((priv->flags & ALPS_PASS) && |
25bded7c | 1893 | alps_passthrough_mode_v2(psmouse, true)) { |
1da177e4 | 1894 | return -1; |
b7802c5c | 1895 | } |
1da177e4 | 1896 | |
b7802c5c | 1897 | if (alps_tap_mode(psmouse, true)) { |
b5d21704 | 1898 | psmouse_warn(psmouse, "Failed to enable hardware tapping\n"); |
1da177e4 | 1899 | return -1; |
963f626d | 1900 | } |
1da177e4 | 1901 | |
25bded7c | 1902 | if (alps_absolute_mode_v1_v2(psmouse)) { |
b5d21704 | 1903 | psmouse_err(psmouse, "Failed to enable absolute mode\n"); |
1da177e4 LT |
1904 | return -1; |
1905 | } | |
1906 | ||
99df65e7 | 1907 | if ((priv->flags & ALPS_PASS) && |
25bded7c | 1908 | alps_passthrough_mode_v2(psmouse, false)) { |
1da177e4 | 1909 | return -1; |
b7802c5c | 1910 | } |
1da177e4 | 1911 | |
1e0c5b12 DT |
1912 | /* ALPS needs stream mode, otherwise it won't report any data */ |
1913 | if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSTREAM)) { | |
b5d21704 | 1914 | psmouse_err(psmouse, "Failed to enable stream mode\n"); |
1e0c5b12 DT |
1915 | return -1; |
1916 | } | |
1917 | ||
1918 | return 0; | |
1919 | } | |
1920 | ||
95f75e91 YT |
1921 | static int alps_hw_init_v6(struct psmouse *psmouse) |
1922 | { | |
1923 | unsigned char param[2] = {0xC8, 0x14}; | |
1924 | ||
1925 | /* Enter passthrough mode to let trackpoint enter 6byte raw mode */ | |
1926 | if (alps_passthrough_mode_v2(psmouse, true)) | |
1927 | return -1; | |
1928 | ||
1929 | if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || | |
1930 | ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || | |
1931 | ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || | |
1932 | ps2_command(&psmouse->ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || | |
1933 | ps2_command(&psmouse->ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE)) | |
1934 | return -1; | |
1935 | ||
1936 | if (alps_passthrough_mode_v2(psmouse, false)) | |
1937 | return -1; | |
1938 | ||
1939 | if (alps_absolute_mode_v6(psmouse)) { | |
1940 | psmouse_err(psmouse, "Failed to enable absolute mode\n"); | |
1941 | return -1; | |
1942 | } | |
1943 | ||
1944 | return 0; | |
1945 | } | |
1946 | ||
25bded7c | 1947 | /* |
cd401204 | 1948 | * Enable or disable passthrough mode to the trackstick. |
25bded7c | 1949 | */ |
cd401204 KC |
1950 | static int alps_passthrough_mode_v3(struct psmouse *psmouse, |
1951 | int reg_base, bool enable) | |
25bded7c | 1952 | { |
cd401204 | 1953 | int reg_val, ret = -1; |
25bded7c | 1954 | |
d18e53fc | 1955 | if (alps_enter_command_mode(psmouse)) |
25bded7c SF |
1956 | return -1; |
1957 | ||
cd401204 KC |
1958 | reg_val = alps_command_mode_read_reg(psmouse, reg_base + 0x0008); |
1959 | if (reg_val == -1) | |
1960 | goto error; | |
1961 | ||
25bded7c SF |
1962 | if (enable) |
1963 | reg_val |= 0x01; | |
1964 | else | |
1965 | reg_val &= ~0x01; | |
1966 | ||
cd401204 | 1967 | ret = __alps_command_mode_write_reg(psmouse, reg_val); |
25bded7c | 1968 | |
cd401204 KC |
1969 | error: |
1970 | if (alps_exit_command_mode(psmouse)) | |
1971 | ret = -1; | |
1972 | return ret; | |
25bded7c SF |
1973 | } |
1974 | ||
1975 | /* Must be in command mode when calling this function */ | |
1976 | static int alps_absolute_mode_v3(struct psmouse *psmouse) | |
1977 | { | |
1978 | int reg_val; | |
1979 | ||
1980 | reg_val = alps_command_mode_read_reg(psmouse, 0x0004); | |
1981 | if (reg_val == -1) | |
1982 | return -1; | |
1983 | ||
1984 | reg_val |= 0x06; | |
1985 | if (__alps_command_mode_write_reg(psmouse, reg_val)) | |
1986 | return -1; | |
1987 | ||
1988 | return 0; | |
1989 | } | |
1990 | ||
cd401204 | 1991 | static int alps_probe_trackstick_v3(struct psmouse *psmouse, int reg_base) |
25bded7c | 1992 | { |
cd401204 | 1993 | int ret = -EIO, reg_val; |
25bded7c | 1994 | |
d18e53fc | 1995 | if (alps_enter_command_mode(psmouse)) |
25bded7c SF |
1996 | goto error; |
1997 | ||
cd401204 | 1998 | reg_val = alps_command_mode_read_reg(psmouse, reg_base + 0x08); |
25bded7c SF |
1999 | if (reg_val == -1) |
2000 | goto error; | |
cd401204 KC |
2001 | |
2002 | /* bit 7: trackstick is present */ | |
2003 | ret = reg_val & 0x80 ? 0 : -ENODEV; | |
2004 | ||
2005 | error: | |
2006 | alps_exit_command_mode(psmouse); | |
2007 | return ret; | |
2008 | } | |
2009 | ||
2010 | static int alps_setup_trackstick_v3(struct psmouse *psmouse, int reg_base) | |
2011 | { | |
2012 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
2013 | int ret = 0; | |
2014 | unsigned char param[4]; | |
2015 | ||
2016 | if (alps_passthrough_mode_v3(psmouse, reg_base, true)) | |
2017 | return -EIO; | |
2018 | ||
2019 | /* | |
2020 | * E7 report for the trackstick | |
2021 | * | |
2022 | * There have been reports of failures to seem to trace back | |
2023 | * to the above trackstick check failing. When these occur | |
2024 | * this E7 report fails, so when that happens we continue | |
2025 | * with the assumption that there isn't a trackstick after | |
2026 | * all. | |
2027 | */ | |
2028 | if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_SETSCALE21, param)) { | |
a09221e8 | 2029 | psmouse_warn(psmouse, "Failed to initialize trackstick (E7 report failed)\n"); |
cd401204 KC |
2030 | ret = -ENODEV; |
2031 | } else { | |
39fbe585 | 2032 | psmouse_dbg(psmouse, "trackstick E7 report: %3ph\n", param); |
25bded7c SF |
2033 | |
2034 | /* | |
cd401204 KC |
2035 | * Not sure what this does, but it is absolutely |
2036 | * essential. Without it, the touchpad does not | |
2037 | * work at all and the trackstick just emits normal | |
2038 | * PS/2 packets. | |
25bded7c | 2039 | */ |
cd401204 KC |
2040 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || |
2041 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || | |
2042 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || | |
2043 | alps_command_mode_send_nibble(psmouse, 0x9) || | |
2044 | alps_command_mode_send_nibble(psmouse, 0x4)) { | |
2045 | psmouse_err(psmouse, | |
2046 | "Error sending magic E6 sequence\n"); | |
2047 | ret = -EIO; | |
2048 | goto error; | |
25bded7c SF |
2049 | } |
2050 | ||
cd401204 KC |
2051 | /* |
2052 | * This ensures the trackstick packets are in the format | |
2053 | * supported by this driver. If bit 1 isn't set the packet | |
2054 | * format is different. | |
2055 | */ | |
d18e53fc | 2056 | if (alps_enter_command_mode(psmouse) || |
cd401204 KC |
2057 | alps_command_mode_write_reg(psmouse, |
2058 | reg_base + 0x08, 0x82) || | |
2059 | alps_exit_command_mode(psmouse)) | |
2060 | ret = -EIO; | |
25bded7c SF |
2061 | } |
2062 | ||
cd401204 KC |
2063 | error: |
2064 | if (alps_passthrough_mode_v3(psmouse, reg_base, false)) | |
2065 | ret = -EIO; | |
2066 | ||
2067 | return ret; | |
2068 | } | |
2069 | ||
2070 | static int alps_hw_init_v3(struct psmouse *psmouse) | |
2071 | { | |
2072 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
2073 | int reg_val; | |
2074 | unsigned char param[4]; | |
2075 | ||
2076 | reg_val = alps_probe_trackstick_v3(psmouse, ALPS_REG_BASE_PINNACLE); | |
2077 | if (reg_val == -EIO) | |
2078 | goto error; | |
39fbe585 | 2079 | |
cd401204 KC |
2080 | if (reg_val == 0 && |
2081 | alps_setup_trackstick_v3(psmouse, ALPS_REG_BASE_PINNACLE) == -EIO) | |
2082 | goto error; | |
2083 | ||
d18e53fc | 2084 | if (alps_enter_command_mode(psmouse) || |
cd401204 | 2085 | alps_absolute_mode_v3(psmouse)) { |
25bded7c SF |
2086 | psmouse_err(psmouse, "Failed to enter absolute mode\n"); |
2087 | goto error; | |
2088 | } | |
2089 | ||
2090 | reg_val = alps_command_mode_read_reg(psmouse, 0x0006); | |
2091 | if (reg_val == -1) | |
2092 | goto error; | |
2093 | if (__alps_command_mode_write_reg(psmouse, reg_val | 0x01)) | |
2094 | goto error; | |
2095 | ||
2096 | reg_val = alps_command_mode_read_reg(psmouse, 0x0007); | |
2097 | if (reg_val == -1) | |
2098 | goto error; | |
2099 | if (__alps_command_mode_write_reg(psmouse, reg_val | 0x01)) | |
2100 | goto error; | |
2101 | ||
2102 | if (alps_command_mode_read_reg(psmouse, 0x0144) == -1) | |
2103 | goto error; | |
2104 | if (__alps_command_mode_write_reg(psmouse, 0x04)) | |
2105 | goto error; | |
2106 | ||
2107 | if (alps_command_mode_read_reg(psmouse, 0x0159) == -1) | |
2108 | goto error; | |
2109 | if (__alps_command_mode_write_reg(psmouse, 0x03)) | |
2110 | goto error; | |
2111 | ||
2112 | if (alps_command_mode_read_reg(psmouse, 0x0163) == -1) | |
2113 | goto error; | |
2114 | if (alps_command_mode_write_reg(psmouse, 0x0163, 0x03)) | |
2115 | goto error; | |
2116 | ||
2117 | if (alps_command_mode_read_reg(psmouse, 0x0162) == -1) | |
2118 | goto error; | |
2119 | if (alps_command_mode_write_reg(psmouse, 0x0162, 0x04)) | |
2120 | goto error; | |
2121 | ||
25bded7c SF |
2122 | alps_exit_command_mode(psmouse); |
2123 | ||
2124 | /* Set rate and enable data reporting */ | |
2125 | param[0] = 0x64; | |
2126 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE) || | |
2127 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) { | |
2128 | psmouse_err(psmouse, "Failed to enable data reporting\n"); | |
2129 | return -1; | |
2130 | } | |
2131 | ||
2132 | return 0; | |
2133 | ||
25bded7c SF |
2134 | error: |
2135 | /* | |
2136 | * Leaving the touchpad in command mode will essentially render | |
2137 | * it unusable until the machine reboots, so exit it here just | |
2138 | * to be safe | |
2139 | */ | |
2140 | alps_exit_command_mode(psmouse); | |
2141 | return -1; | |
2142 | } | |
2143 | ||
f3f33c67 HG |
2144 | static int alps_get_v3_v7_resolution(struct psmouse *psmouse, int reg_pitch) |
2145 | { | |
2146 | int reg, x_pitch, y_pitch, x_electrode, y_electrode, x_phys, y_phys; | |
2147 | struct alps_data *priv = psmouse->private; | |
2148 | ||
2149 | reg = alps_command_mode_read_reg(psmouse, reg_pitch); | |
2150 | if (reg < 0) | |
2151 | return reg; | |
2152 | ||
2153 | x_pitch = (char)(reg << 4) >> 4; /* sign extend lower 4 bits */ | |
2154 | x_pitch = 50 + 2 * x_pitch; /* In 0.1 mm units */ | |
2155 | ||
2156 | y_pitch = (char)reg >> 4; /* sign extend upper 4 bits */ | |
2157 | y_pitch = 36 + 2 * y_pitch; /* In 0.1 mm units */ | |
2158 | ||
2159 | reg = alps_command_mode_read_reg(psmouse, reg_pitch + 1); | |
2160 | if (reg < 0) | |
2161 | return reg; | |
2162 | ||
2163 | x_electrode = (char)(reg << 4) >> 4; /* sign extend lower 4 bits */ | |
2164 | x_electrode = 17 + x_electrode; | |
2165 | ||
2166 | y_electrode = (char)reg >> 4; /* sign extend upper 4 bits */ | |
2167 | y_electrode = 13 + y_electrode; | |
2168 | ||
2169 | x_phys = x_pitch * (x_electrode - 1); /* In 0.1 mm units */ | |
2170 | y_phys = y_pitch * (y_electrode - 1); /* In 0.1 mm units */ | |
2171 | ||
2172 | priv->x_res = priv->x_max * 10 / x_phys; /* units / mm */ | |
2173 | priv->y_res = priv->y_max * 10 / y_phys; /* units / mm */ | |
2174 | ||
2175 | psmouse_dbg(psmouse, | |
2176 | "pitch %dx%d num-electrodes %dx%d physical size %dx%d mm res %dx%d\n", | |
2177 | x_pitch, y_pitch, x_electrode, y_electrode, | |
2178 | x_phys / 10, y_phys / 10, priv->x_res, priv->y_res); | |
2179 | ||
2180 | return 0; | |
2181 | } | |
2182 | ||
1302bac3 KC |
2183 | static int alps_hw_init_rushmore_v3(struct psmouse *psmouse) |
2184 | { | |
cd401204 | 2185 | struct alps_data *priv = psmouse->private; |
1302bac3 KC |
2186 | struct ps2dev *ps2dev = &psmouse->ps2dev; |
2187 | int reg_val, ret = -1; | |
2188 | ||
cd401204 KC |
2189 | if (priv->flags & ALPS_DUALPOINT) { |
2190 | reg_val = alps_setup_trackstick_v3(psmouse, | |
2191 | ALPS_REG_BASE_RUSHMORE); | |
2192 | if (reg_val == -EIO) | |
2193 | goto error; | |
cd401204 KC |
2194 | } |
2195 | ||
d18e53fc | 2196 | if (alps_enter_command_mode(psmouse) || |
1302bac3 KC |
2197 | alps_command_mode_read_reg(psmouse, 0xc2d9) == -1 || |
2198 | alps_command_mode_write_reg(psmouse, 0xc2cb, 0x00)) | |
2199 | goto error; | |
2200 | ||
f3f33c67 HG |
2201 | if (alps_get_v3_v7_resolution(psmouse, 0xc2da)) |
2202 | goto error; | |
2203 | ||
1302bac3 KC |
2204 | reg_val = alps_command_mode_read_reg(psmouse, 0xc2c6); |
2205 | if (reg_val == -1) | |
2206 | goto error; | |
2207 | if (__alps_command_mode_write_reg(psmouse, reg_val & 0xfd)) | |
2208 | goto error; | |
2209 | ||
2210 | if (alps_command_mode_write_reg(psmouse, 0xc2c9, 0x64)) | |
2211 | goto error; | |
2212 | ||
2213 | /* enter absolute mode */ | |
2214 | reg_val = alps_command_mode_read_reg(psmouse, 0xc2c4); | |
2215 | if (reg_val == -1) | |
2216 | goto error; | |
2217 | if (__alps_command_mode_write_reg(psmouse, reg_val | 0x02)) | |
2218 | goto error; | |
2219 | ||
2220 | alps_exit_command_mode(psmouse); | |
2221 | return ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE); | |
2222 | ||
2223 | error: | |
2224 | alps_exit_command_mode(psmouse); | |
2225 | return ret; | |
2226 | } | |
2227 | ||
25bded7c SF |
2228 | /* Must be in command mode when calling this function */ |
2229 | static int alps_absolute_mode_v4(struct psmouse *psmouse) | |
2230 | { | |
2231 | int reg_val; | |
2232 | ||
2233 | reg_val = alps_command_mode_read_reg(psmouse, 0x0004); | |
2234 | if (reg_val == -1) | |
2235 | return -1; | |
2236 | ||
2237 | reg_val |= 0x02; | |
2238 | if (__alps_command_mode_write_reg(psmouse, reg_val)) | |
2239 | return -1; | |
2240 | ||
2241 | return 0; | |
2242 | } | |
2243 | ||
2244 | static int alps_hw_init_v4(struct psmouse *psmouse) | |
2245 | { | |
25bded7c SF |
2246 | struct ps2dev *ps2dev = &psmouse->ps2dev; |
2247 | unsigned char param[4]; | |
2248 | ||
d18e53fc | 2249 | if (alps_enter_command_mode(psmouse)) |
25bded7c SF |
2250 | goto error; |
2251 | ||
2252 | if (alps_absolute_mode_v4(psmouse)) { | |
2253 | psmouse_err(psmouse, "Failed to enter absolute mode\n"); | |
2254 | goto error; | |
2255 | } | |
2256 | ||
2257 | if (alps_command_mode_write_reg(psmouse, 0x0007, 0x8c)) | |
2258 | goto error; | |
2259 | ||
2260 | if (alps_command_mode_write_reg(psmouse, 0x0149, 0x03)) | |
2261 | goto error; | |
2262 | ||
2263 | if (alps_command_mode_write_reg(psmouse, 0x0160, 0x03)) | |
2264 | goto error; | |
2265 | ||
2266 | if (alps_command_mode_write_reg(psmouse, 0x017f, 0x15)) | |
2267 | goto error; | |
2268 | ||
2269 | if (alps_command_mode_write_reg(psmouse, 0x0151, 0x01)) | |
2270 | goto error; | |
2271 | ||
2272 | if (alps_command_mode_write_reg(psmouse, 0x0168, 0x03)) | |
2273 | goto error; | |
2274 | ||
2275 | if (alps_command_mode_write_reg(psmouse, 0x014a, 0x03)) | |
2276 | goto error; | |
2277 | ||
2278 | if (alps_command_mode_write_reg(psmouse, 0x0161, 0x03)) | |
2279 | goto error; | |
2280 | ||
2281 | alps_exit_command_mode(psmouse); | |
2282 | ||
2283 | /* | |
2284 | * This sequence changes the output from a 9-byte to an | |
2285 | * 8-byte format. All the same data seems to be present, | |
2286 | * just in a more compact format. | |
2287 | */ | |
2288 | param[0] = 0xc8; | |
2289 | param[1] = 0x64; | |
2290 | param[2] = 0x50; | |
2291 | if (ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || | |
2292 | ps2_command(ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE) || | |
2293 | ps2_command(ps2dev, ¶m[2], PSMOUSE_CMD_SETRATE) || | |
2294 | ps2_command(ps2dev, param, PSMOUSE_CMD_GETID)) | |
2295 | return -1; | |
2296 | ||
2297 | /* Set rate and enable data reporting */ | |
2298 | param[0] = 0x64; | |
2299 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE) || | |
2300 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) { | |
2301 | psmouse_err(psmouse, "Failed to enable data reporting\n"); | |
2302 | return -1; | |
2303 | } | |
2304 | ||
2305 | return 0; | |
2306 | ||
2307 | error: | |
2308 | /* | |
2309 | * Leaving the touchpad in command mode will essentially render | |
2310 | * it unusable until the machine reboots, so exit it here just | |
2311 | * to be safe | |
2312 | */ | |
2313 | alps_exit_command_mode(psmouse); | |
2314 | return -1; | |
2315 | } | |
2316 | ||
3db5b9f7 MO |
2317 | static int alps_get_otp_values_ss4_v2(struct psmouse *psmouse, |
2318 | unsigned char index, unsigned char otp[]) | |
2319 | { | |
2320 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
2321 | ||
2322 | switch (index) { | |
2323 | case 0: | |
2324 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) || | |
2325 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) || | |
2326 | ps2_command(ps2dev, otp, PSMOUSE_CMD_GETINFO)) | |
2327 | return -1; | |
2328 | ||
2329 | break; | |
2330 | ||
2331 | case 1: | |
2332 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL) || | |
2333 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL) || | |
2334 | ps2_command(ps2dev, otp, PSMOUSE_CMD_GETINFO)) | |
2335 | return -1; | |
2336 | ||
2337 | break; | |
2338 | } | |
2339 | ||
2340 | return 0; | |
2341 | } | |
2342 | ||
07f19e3d FW |
2343 | static int alps_update_device_area_ss4_v2(unsigned char otp[][4], |
2344 | struct alps_data *priv) | |
3db5b9f7 MO |
2345 | { |
2346 | int num_x_electrode; | |
2347 | int num_y_electrode; | |
2348 | int x_pitch, y_pitch, x_phys, y_phys; | |
2349 | ||
2350 | num_x_electrode = SS4_NUMSENSOR_XOFFSET + (otp[1][0] & 0x0F); | |
2351 | num_y_electrode = SS4_NUMSENSOR_YOFFSET + ((otp[1][0] >> 4) & 0x0F); | |
2352 | ||
2353 | priv->x_max = (num_x_electrode - 1) * SS4_COUNT_PER_ELECTRODE; | |
2354 | priv->y_max = (num_y_electrode - 1) * SS4_COUNT_PER_ELECTRODE; | |
2355 | ||
2356 | x_pitch = ((otp[1][2] >> 2) & 0x07) + SS4_MIN_PITCH_MM; | |
2357 | y_pitch = ((otp[1][2] >> 5) & 0x07) + SS4_MIN_PITCH_MM; | |
2358 | ||
2359 | x_phys = x_pitch * (num_x_electrode - 1); /* In 0.1 mm units */ | |
2360 | y_phys = y_pitch * (num_y_electrode - 1); /* In 0.1 mm units */ | |
2361 | ||
2362 | priv->x_res = priv->x_max * 10 / x_phys; /* units / mm */ | |
2363 | priv->y_res = priv->y_max * 10 / y_phys; /* units / mm */ | |
2364 | ||
2365 | return 0; | |
2366 | } | |
2367 | ||
07f19e3d FW |
2368 | static int alps_update_btn_info_ss4_v2(unsigned char otp[][4], |
2369 | struct alps_data *priv) | |
3db5b9f7 | 2370 | { |
3db5b9f7 MO |
2371 | unsigned char is_btnless; |
2372 | ||
2373 | is_btnless = (otp[1][1] >> 3) & 0x01; | |
2374 | ||
2375 | if (is_btnless) | |
2376 | priv->flags |= ALPS_BUTTONPAD; | |
2377 | ||
2378 | return 0; | |
2379 | } | |
2380 | ||
2381 | static int alps_set_defaults_ss4_v2(struct psmouse *psmouse, | |
2382 | struct alps_data *priv) | |
2383 | { | |
2384 | unsigned char otp[2][4]; | |
2385 | ||
2386 | memset(otp, 0, sizeof(otp)); | |
2387 | ||
2388 | if (alps_get_otp_values_ss4_v2(psmouse, 0, &otp[0][0]) || | |
2389 | alps_get_otp_values_ss4_v2(psmouse, 1, &otp[1][0])) | |
2390 | return -1; | |
2391 | ||
2392 | alps_update_device_area_ss4_v2(otp, priv); | |
2393 | ||
2394 | alps_update_btn_info_ss4_v2(otp, priv); | |
2395 | ||
2396 | return 0; | |
2397 | } | |
2398 | ||
ee65d4b3 YT |
2399 | static int alps_dolphin_get_device_area(struct psmouse *psmouse, |
2400 | struct alps_data *priv) | |
2401 | { | |
2402 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
2403 | unsigned char param[4] = {0}; | |
2404 | int num_x_electrode, num_y_electrode; | |
2405 | ||
2406 | if (alps_enter_command_mode(psmouse)) | |
2407 | return -1; | |
2408 | ||
2409 | param[0] = 0x0a; | |
2410 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP) || | |
2411 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL) || | |
2412 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL) || | |
2413 | ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || | |
2414 | ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE)) | |
2415 | return -1; | |
2416 | ||
2417 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) | |
2418 | return -1; | |
2419 | ||
2420 | /* | |
2421 | * Dolphin's sensor line number is not fixed. It can be calculated | |
2422 | * by adding the device's register value with DOLPHIN_PROFILE_X/YOFFSET. | |
2423 | * Further more, we can get device's x_max and y_max by multiplying | |
2424 | * sensor line number with DOLPHIN_COUNT_PER_ELECTRODE. | |
2425 | * | |
2426 | * e.g. When we get register's sensor_x = 11 & sensor_y = 8, | |
2427 | * real sensor line number X = 11 + 8 = 19, and | |
2428 | * real sensor line number Y = 8 + 1 = 9. | |
2429 | * So, x_max = (19 - 1) * 64 = 1152, and | |
2430 | * y_max = (9 - 1) * 64 = 512. | |
2431 | */ | |
2432 | num_x_electrode = DOLPHIN_PROFILE_XOFFSET + (param[2] & 0x0F); | |
2433 | num_y_electrode = DOLPHIN_PROFILE_YOFFSET + ((param[2] >> 4) & 0x0F); | |
2434 | priv->x_bits = num_x_electrode; | |
2435 | priv->y_bits = num_y_electrode; | |
2436 | priv->x_max = (num_x_electrode - 1) * DOLPHIN_COUNT_PER_ELECTRODE; | |
2437 | priv->y_max = (num_y_electrode - 1) * DOLPHIN_COUNT_PER_ELECTRODE; | |
2438 | ||
2439 | if (alps_exit_command_mode(psmouse)) | |
2440 | return -1; | |
2441 | ||
2442 | return 0; | |
2443 | } | |
2444 | ||
75af9e56 DT |
2445 | static int alps_hw_init_dolphin_v1(struct psmouse *psmouse) |
2446 | { | |
2447 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
2448 | unsigned char param[2]; | |
2449 | ||
2450 | /* This is dolphin "v1" as empirically defined by florin9doi */ | |
2451 | param[0] = 0x64; | |
2452 | param[1] = 0x28; | |
2453 | ||
2454 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) || | |
2455 | ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || | |
2456 | ps2_command(ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE)) | |
2457 | return -1; | |
2458 | ||
2459 | return 0; | |
2460 | } | |
2461 | ||
3808843c YT |
2462 | static int alps_hw_init_v7(struct psmouse *psmouse) |
2463 | { | |
2464 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
2465 | int reg_val, ret = -1; | |
2466 | ||
2467 | if (alps_enter_command_mode(psmouse) || | |
2468 | alps_command_mode_read_reg(psmouse, 0xc2d9) == -1) | |
2469 | goto error; | |
2470 | ||
f3f33c67 HG |
2471 | if (alps_get_v3_v7_resolution(psmouse, 0xc397)) |
2472 | goto error; | |
2473 | ||
3808843c YT |
2474 | if (alps_command_mode_write_reg(psmouse, 0xc2c9, 0x64)) |
2475 | goto error; | |
2476 | ||
2477 | reg_val = alps_command_mode_read_reg(psmouse, 0xc2c4); | |
2478 | if (reg_val == -1) | |
2479 | goto error; | |
2480 | if (__alps_command_mode_write_reg(psmouse, reg_val | 0x02)) | |
2481 | goto error; | |
2482 | ||
2483 | alps_exit_command_mode(psmouse); | |
2484 | return ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE); | |
2485 | ||
2486 | error: | |
2487 | alps_exit_command_mode(psmouse); | |
2488 | return ret; | |
2489 | } | |
2490 | ||
3db5b9f7 MO |
2491 | static int alps_hw_init_ss4_v2(struct psmouse *psmouse) |
2492 | { | |
2493 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
2494 | char param[2] = {0x64, 0x28}; | |
2495 | int ret = -1; | |
2496 | ||
2497 | /* enter absolute mode */ | |
2498 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) || | |
2499 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) || | |
2500 | ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || | |
2501 | ps2_command(ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE)) { | |
2502 | goto error; | |
2503 | } | |
2504 | ||
2505 | /* T.B.D. Decread noise packet number, delete in the future */ | |
2506 | if (alps_exit_command_mode(psmouse) || | |
2507 | alps_enter_command_mode(psmouse) || | |
2508 | alps_command_mode_write_reg(psmouse, 0x001D, 0x20)) { | |
2509 | goto error; | |
2510 | } | |
2511 | alps_exit_command_mode(psmouse); | |
2512 | ||
2513 | return ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE); | |
2514 | ||
2515 | error: | |
2516 | alps_exit_command_mode(psmouse); | |
2517 | return ret; | |
2518 | } | |
2519 | ||
3296f71c DT |
2520 | static int alps_set_protocol(struct psmouse *psmouse, |
2521 | struct alps_data *priv, | |
2522 | const struct alps_protocol_info *protocol) | |
25bded7c | 2523 | { |
3296f71c DT |
2524 | psmouse->private = priv; |
2525 | ||
2526 | setup_timer(&priv->timer, alps_flush_packet, (unsigned long)psmouse); | |
2527 | ||
2528 | priv->proto_version = protocol->version; | |
2529 | priv->byte0 = protocol->byte0; | |
2530 | priv->mask0 = protocol->mask0; | |
2531 | priv->flags = protocol->flags; | |
f673ceb1 | 2532 | |
7a9f73e7 KC |
2533 | priv->x_max = 2000; |
2534 | priv->y_max = 1400; | |
2535 | priv->x_bits = 15; | |
2536 | priv->y_bits = 11; | |
2537 | ||
99df65e7 | 2538 | switch (priv->proto_version) { |
25bded7c SF |
2539 | case ALPS_PROTO_V1: |
2540 | case ALPS_PROTO_V2: | |
24af5cb9 KC |
2541 | priv->hw_init = alps_hw_init_v1_v2; |
2542 | priv->process_packet = alps_process_packet_v1_v2; | |
2543 | priv->set_abs_params = alps_set_abs_params_st; | |
95f75e91 YT |
2544 | priv->x_max = 1023; |
2545 | priv->y_max = 767; | |
25bded7c | 2546 | break; |
fb2dd7a6 | 2547 | |
25bded7c | 2548 | case ALPS_PROTO_V3: |
24af5cb9 KC |
2549 | priv->hw_init = alps_hw_init_v3; |
2550 | priv->process_packet = alps_process_packet_v3; | |
2551 | priv->set_abs_params = alps_set_abs_params_mt; | |
f85e5001 | 2552 | priv->decode_fields = alps_decode_pinnacle; |
50e8b216 KC |
2553 | priv->nibble_commands = alps_v3_nibble_commands; |
2554 | priv->addr_command = PSMOUSE_CMD_RESET_WRAP; | |
25bded7c | 2555 | break; |
fb2dd7a6 DT |
2556 | |
2557 | case ALPS_PROTO_V3_RUSHMORE: | |
2558 | priv->hw_init = alps_hw_init_rushmore_v3; | |
2559 | priv->process_packet = alps_process_packet_v3; | |
2560 | priv->set_abs_params = alps_set_abs_params_mt; | |
2561 | priv->decode_fields = alps_decode_rushmore; | |
2562 | priv->nibble_commands = alps_v3_nibble_commands; | |
2563 | priv->addr_command = PSMOUSE_CMD_RESET_WRAP; | |
2564 | priv->x_bits = 16; | |
2565 | priv->y_bits = 12; | |
3296f71c DT |
2566 | |
2567 | if (alps_probe_trackstick_v3(psmouse, | |
2568 | ALPS_REG_BASE_RUSHMORE) < 0) | |
2569 | priv->flags &= ~ALPS_DUALPOINT; | |
2570 | ||
fb2dd7a6 DT |
2571 | break; |
2572 | ||
25bded7c | 2573 | case ALPS_PROTO_V4: |
24af5cb9 KC |
2574 | priv->hw_init = alps_hw_init_v4; |
2575 | priv->process_packet = alps_process_packet_v4; | |
2576 | priv->set_abs_params = alps_set_abs_params_mt; | |
50e8b216 KC |
2577 | priv->nibble_commands = alps_v4_nibble_commands; |
2578 | priv->addr_command = PSMOUSE_CMD_DISABLE; | |
25bded7c | 2579 | break; |
3296f71c | 2580 | |
75af9e56 DT |
2581 | case ALPS_PROTO_V5: |
2582 | priv->hw_init = alps_hw_init_dolphin_v1; | |
ee65d4b3 | 2583 | priv->process_packet = alps_process_touchpad_packet_v3_v5; |
75af9e56 DT |
2584 | priv->decode_fields = alps_decode_dolphin; |
2585 | priv->set_abs_params = alps_set_abs_params_mt; | |
2586 | priv->nibble_commands = alps_v3_nibble_commands; | |
2587 | priv->addr_command = PSMOUSE_CMD_RESET_WRAP; | |
75af9e56 DT |
2588 | priv->x_bits = 23; |
2589 | priv->y_bits = 12; | |
c164c147 DT |
2590 | |
2591 | if (alps_dolphin_get_device_area(psmouse, priv)) | |
2592 | return -EIO; | |
2593 | ||
75af9e56 | 2594 | break; |
3296f71c | 2595 | |
95f75e91 YT |
2596 | case ALPS_PROTO_V6: |
2597 | priv->hw_init = alps_hw_init_v6; | |
2598 | priv->process_packet = alps_process_packet_v6; | |
2599 | priv->set_abs_params = alps_set_abs_params_st; | |
2600 | priv->nibble_commands = alps_v6_nibble_commands; | |
2601 | priv->x_max = 2047; | |
2602 | priv->y_max = 1535; | |
2603 | break; | |
3296f71c | 2604 | |
3808843c YT |
2605 | case ALPS_PROTO_V7: |
2606 | priv->hw_init = alps_hw_init_v7; | |
2607 | priv->process_packet = alps_process_packet_v7; | |
2608 | priv->decode_fields = alps_decode_packet_v7; | |
8eccd393 | 2609 | priv->set_abs_params = alps_set_abs_params_v7; |
3808843c YT |
2610 | priv->nibble_commands = alps_v3_nibble_commands; |
2611 | priv->addr_command = PSMOUSE_CMD_RESET_WRAP; | |
c164c147 DT |
2612 | priv->x_max = 0xfff; |
2613 | priv->y_max = 0x7ff; | |
3808843c YT |
2614 | |
2615 | if (priv->fw_ver[1] != 0xba) | |
2616 | priv->flags |= ALPS_BUTTONPAD; | |
3296f71c | 2617 | |
3808843c | 2618 | break; |
3db5b9f7 MO |
2619 | |
2620 | case ALPS_PROTO_V8: | |
2621 | priv->hw_init = alps_hw_init_ss4_v2; | |
2622 | priv->process_packet = alps_process_packet_ss4_v2; | |
2623 | priv->decode_fields = alps_decode_ss4_v2; | |
2624 | priv->set_abs_params = alps_set_abs_params_ss4_v2; | |
2625 | priv->nibble_commands = alps_v3_nibble_commands; | |
2626 | priv->addr_command = PSMOUSE_CMD_RESET_WRAP; | |
2627 | ||
2628 | if (alps_set_defaults_ss4_v2(psmouse, priv)) | |
2629 | return -EIO; | |
2630 | ||
2631 | break; | |
25bded7c | 2632 | } |
3296f71c DT |
2633 | |
2634 | return 0; | |
25bded7c SF |
2635 | } |
2636 | ||
3296f71c DT |
2637 | static const struct alps_protocol_info *alps_match_table(unsigned char *e7, |
2638 | unsigned char *ec) | |
2e992cc0 | 2639 | { |
b5d6b851 | 2640 | const struct alps_model_info *model; |
2e992cc0 KC |
2641 | int i; |
2642 | ||
b5d6b851 KC |
2643 | for (i = 0; i < ARRAY_SIZE(alps_model_data); i++) { |
2644 | model = &alps_model_data[i]; | |
2645 | ||
2646 | if (!memcmp(e7, model->signature, sizeof(model->signature)) && | |
2647 | (!model->command_mode_resp || | |
2648 | model->command_mode_resp == ec[2])) { | |
2649 | ||
3296f71c | 2650 | return &model->protocol_info; |
b5d6b851 KC |
2651 | } |
2652 | } | |
2653 | ||
3296f71c | 2654 | return NULL; |
b5d6b851 KC |
2655 | } |
2656 | ||
2657 | static int alps_identify(struct psmouse *psmouse, struct alps_data *priv) | |
2658 | { | |
3296f71c | 2659 | const struct alps_protocol_info *protocol; |
b5d6b851 | 2660 | unsigned char e6[4], e7[4], ec[4]; |
a09221e8 | 2661 | int error; |
b5d6b851 | 2662 | |
2e992cc0 KC |
2663 | /* |
2664 | * First try "E6 report". | |
2665 | * ALPS should return 0,0,10 or 0,0,100 if no buttons are pressed. | |
2666 | * The bits 0-2 of the first byte will be 1s if some buttons are | |
2667 | * pressed. | |
2668 | */ | |
b5d6b851 KC |
2669 | if (alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES, |
2670 | PSMOUSE_CMD_SETSCALE11, e6)) | |
2671 | return -EIO; | |
2e992cc0 | 2672 | |
b5d6b851 KC |
2673 | if ((e6[0] & 0xf8) != 0 || e6[1] != 0 || (e6[2] != 10 && e6[2] != 100)) |
2674 | return -EINVAL; | |
2e992cc0 KC |
2675 | |
2676 | /* | |
b5d6b851 KC |
2677 | * Now get the "E7" and "EC" reports. These will uniquely identify |
2678 | * most ALPS touchpads. | |
2e992cc0 | 2679 | */ |
b5d6b851 KC |
2680 | if (alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES, |
2681 | PSMOUSE_CMD_SETSCALE21, e7) || | |
2682 | alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES, | |
2683 | PSMOUSE_CMD_RESET_WRAP, ec) || | |
2684 | alps_exit_command_mode(psmouse)) | |
2685 | return -EIO; | |
2e992cc0 | 2686 | |
3296f71c DT |
2687 | protocol = alps_match_table(e7, ec); |
2688 | if (!protocol) { | |
2689 | if (e7[0] == 0x73 && e7[1] == 0x03 && e7[2] == 0x50 && | |
2690 | ec[0] == 0x73 && (ec[1] == 0x01 || ec[1] == 0x02)) { | |
2691 | protocol = &alps_v5_protocol_data; | |
2692 | } else if (ec[0] == 0x88 && | |
2693 | ((ec[1] & 0xf0) == 0xb0 || (ec[1] & 0xf0) == 0xc0)) { | |
2694 | protocol = &alps_v7_protocol_data; | |
2695 | } else if (ec[0] == 0x88 && ec[1] == 0x08) { | |
2696 | protocol = &alps_v3_rushmore_data; | |
2697 | } else if (ec[0] == 0x88 && ec[1] == 0x07 && | |
2698 | ec[2] >= 0x90 && ec[2] <= 0x9d) { | |
2699 | protocol = &alps_v3_protocol_data; | |
3db5b9f7 MO |
2700 | } else if (e7[0] == 0x73 && e7[1] == 0x03 && |
2701 | e7[2] == 0x14 && ec[1] == 0x02) { | |
2702 | protocol = &alps_v8_protocol_data; | |
3296f71c DT |
2703 | } else { |
2704 | psmouse_dbg(psmouse, | |
2705 | "Likely not an ALPS touchpad: E7=%3ph, EC=%3ph\n", e7, ec); | |
2706 | return -EINVAL; | |
2707 | } | |
f673ceb1 | 2708 | } |
2e992cc0 | 2709 | |
a09221e8 DT |
2710 | if (priv) { |
2711 | /* Save the Firmware version */ | |
2712 | memcpy(priv->fw_ver, ec, 3); | |
2713 | error = alps_set_protocol(psmouse, priv, protocol); | |
2714 | if (error) | |
2715 | return error; | |
2716 | } | |
2e992cc0 | 2717 | |
a09221e8 | 2718 | return 0; |
2e992cc0 KC |
2719 | } |
2720 | ||
1e0c5b12 DT |
2721 | static int alps_reconnect(struct psmouse *psmouse) |
2722 | { | |
b5d6b851 | 2723 | struct alps_data *priv = psmouse->private; |
71bb21b6 | 2724 | |
1e0c5b12 DT |
2725 | psmouse_reset(psmouse); |
2726 | ||
b5d6b851 | 2727 | if (alps_identify(psmouse, priv) < 0) |
1e0c5b12 DT |
2728 | return -1; |
2729 | ||
24af5cb9 | 2730 | return priv->hw_init(psmouse); |
1da177e4 LT |
2731 | } |
2732 | ||
2733 | static void alps_disconnect(struct psmouse *psmouse) | |
2734 | { | |
2735 | struct alps_data *priv = psmouse->private; | |
2e5b636b | 2736 | |
1da177e4 | 2737 | psmouse_reset(psmouse); |
1d9f2626 | 2738 | del_timer_sync(&priv->timer); |
04aae283 PR |
2739 | if (priv->dev2) |
2740 | input_unregister_device(priv->dev2); | |
2741 | if (!IS_ERR_OR_NULL(priv->dev3)) | |
2742 | input_unregister_device(priv->dev3); | |
1da177e4 LT |
2743 | kfree(priv); |
2744 | } | |
2745 | ||
24af5cb9 KC |
2746 | static void alps_set_abs_params_st(struct alps_data *priv, |
2747 | struct input_dev *dev1) | |
2748 | { | |
95f75e91 YT |
2749 | input_set_abs_params(dev1, ABS_X, 0, priv->x_max, 0, 0); |
2750 | input_set_abs_params(dev1, ABS_Y, 0, priv->y_max, 0, 0); | |
8eccd393 | 2751 | input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0); |
24af5cb9 KC |
2752 | } |
2753 | ||
8eccd393 MO |
2754 | static void alps_set_abs_params_mt_common(struct alps_data *priv, |
2755 | struct input_dev *dev1) | |
24af5cb9 | 2756 | { |
7a9f73e7 KC |
2757 | input_set_abs_params(dev1, ABS_MT_POSITION_X, 0, priv->x_max, 0, 0); |
2758 | input_set_abs_params(dev1, ABS_MT_POSITION_Y, 0, priv->y_max, 0, 0); | |
24af5cb9 | 2759 | |
f3f33c67 HG |
2760 | input_abs_set_res(dev1, ABS_MT_POSITION_X, priv->x_res); |
2761 | input_abs_set_res(dev1, ABS_MT_POSITION_Y, priv->y_res); | |
2762 | ||
24af5cb9 KC |
2763 | set_bit(BTN_TOOL_TRIPLETAP, dev1->keybit); |
2764 | set_bit(BTN_TOOL_QUADTAP, dev1->keybit); | |
8eccd393 MO |
2765 | } |
2766 | ||
2767 | static void alps_set_abs_params_mt(struct alps_data *priv, | |
2768 | struct input_dev *dev1) | |
2769 | { | |
2770 | alps_set_abs_params_mt_common(priv, dev1); | |
2771 | input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0); | |
2772 | ||
2773 | input_mt_init_slots(dev1, MAX_TOUCHES, | |
2774 | INPUT_MT_POINTER | INPUT_MT_DROP_UNUSED | | |
2775 | INPUT_MT_TRACK | INPUT_MT_SEMI_MT); | |
2776 | } | |
2777 | ||
2778 | static void alps_set_abs_params_v7(struct alps_data *priv, | |
2779 | struct input_dev *dev1) | |
2780 | { | |
2781 | alps_set_abs_params_mt_common(priv, dev1); | |
8d289842 | 2782 | set_bit(BTN_TOOL_QUINTTAP, dev1->keybit); |
3808843c | 2783 | |
3db5b9f7 MO |
2784 | input_mt_init_slots(dev1, MAX_TOUCHES, |
2785 | INPUT_MT_POINTER | INPUT_MT_DROP_UNUSED | | |
2786 | INPUT_MT_TRACK); | |
2787 | ||
2788 | set_bit(BTN_TOOL_QUINTTAP, dev1->keybit); | |
2789 | } | |
2790 | ||
2791 | static void alps_set_abs_params_ss4_v2(struct alps_data *priv, | |
2792 | struct input_dev *dev1) | |
2793 | { | |
2794 | alps_set_abs_params_mt_common(priv, dev1); | |
2795 | input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0); | |
2796 | set_bit(BTN_TOOL_QUINTTAP, dev1->keybit); | |
2797 | ||
8eccd393 MO |
2798 | input_mt_init_slots(dev1, MAX_TOUCHES, |
2799 | INPUT_MT_POINTER | INPUT_MT_DROP_UNUSED | | |
2800 | INPUT_MT_TRACK); | |
24af5cb9 KC |
2801 | } |
2802 | ||
1da177e4 LT |
2803 | int alps_init(struct psmouse *psmouse) |
2804 | { | |
a09221e8 | 2805 | struct alps_data *priv = psmouse->private; |
04aae283 | 2806 | struct input_dev *dev1 = psmouse->dev; |
a09221e8 | 2807 | int error; |
1da177e4 | 2808 | |
a09221e8 DT |
2809 | error = priv->hw_init(psmouse); |
2810 | if (error) | |
1da177e4 LT |
2811 | goto init_fail; |
2812 | ||
7105d2ea DT |
2813 | /* |
2814 | * Undo part of setup done for us by psmouse core since touchpad | |
2815 | * is not a relative device. | |
2816 | */ | |
2817 | __clear_bit(EV_REL, dev1->evbit); | |
2818 | __clear_bit(REL_X, dev1->relbit); | |
2819 | __clear_bit(REL_Y, dev1->relbit); | |
2820 | ||
2821 | /* | |
2822 | * Now set up our capabilities. | |
2823 | */ | |
7b19ada2 JS |
2824 | dev1->evbit[BIT_WORD(EV_KEY)] |= BIT_MASK(EV_KEY); |
2825 | dev1->keybit[BIT_WORD(BTN_TOUCH)] |= BIT_MASK(BTN_TOUCH); | |
2826 | dev1->keybit[BIT_WORD(BTN_TOOL_FINGER)] |= BIT_MASK(BTN_TOOL_FINGER); | |
71bb21b6 ML |
2827 | dev1->keybit[BIT_WORD(BTN_LEFT)] |= |
2828 | BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_RIGHT); | |
1da177e4 | 2829 | |
7b19ada2 | 2830 | dev1->evbit[BIT_WORD(EV_ABS)] |= BIT_MASK(EV_ABS); |
25bded7c | 2831 | |
24af5cb9 | 2832 | priv->set_abs_params(priv, dev1); |
1da177e4 | 2833 | |
99df65e7 | 2834 | if (priv->flags & ALPS_WHEEL) { |
7b19ada2 JS |
2835 | dev1->evbit[BIT_WORD(EV_REL)] |= BIT_MASK(EV_REL); |
2836 | dev1->relbit[BIT_WORD(REL_WHEEL)] |= BIT_MASK(REL_WHEEL); | |
1da177e4 LT |
2837 | } |
2838 | ||
99df65e7 | 2839 | if (priv->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) { |
7b19ada2 JS |
2840 | dev1->keybit[BIT_WORD(BTN_FORWARD)] |= BIT_MASK(BTN_FORWARD); |
2841 | dev1->keybit[BIT_WORD(BTN_BACK)] |= BIT_MASK(BTN_BACK); | |
1da177e4 LT |
2842 | } |
2843 | ||
99df65e7 | 2844 | if (priv->flags & ALPS_FOUR_BUTTONS) { |
71bb21b6 ML |
2845 | dev1->keybit[BIT_WORD(BTN_0)] |= BIT_MASK(BTN_0); |
2846 | dev1->keybit[BIT_WORD(BTN_1)] |= BIT_MASK(BTN_1); | |
2847 | dev1->keybit[BIT_WORD(BTN_2)] |= BIT_MASK(BTN_2); | |
2848 | dev1->keybit[BIT_WORD(BTN_3)] |= BIT_MASK(BTN_3); | |
3808843c YT |
2849 | } else if (priv->flags & ALPS_BUTTONPAD) { |
2850 | set_bit(INPUT_PROP_BUTTONPAD, dev1->propbit); | |
2851 | clear_bit(BTN_RIGHT, dev1->keybit); | |
71bb21b6 ML |
2852 | } else { |
2853 | dev1->keybit[BIT_WORD(BTN_MIDDLE)] |= BIT_MASK(BTN_MIDDLE); | |
2854 | } | |
2855 | ||
dfba8600 | 2856 | if (priv->flags & ALPS_DUALPOINT) { |
04aae283 PR |
2857 | struct input_dev *dev2; |
2858 | ||
2859 | dev2 = input_allocate_device(); | |
2860 | if (!dev2) { | |
2861 | psmouse_err(psmouse, | |
2862 | "failed to allocate trackstick device\n"); | |
2863 | error = -ENOMEM; | |
2864 | goto init_fail; | |
2865 | } | |
2866 | ||
2867 | snprintf(priv->phys2, sizeof(priv->phys2), "%s/input1", | |
2868 | psmouse->ps2dev.serio->phys); | |
2869 | dev2->phys = priv->phys2; | |
2870 | ||
dfba8600 PR |
2871 | /* |
2872 | * format of input device name is: "protocol vendor name" | |
2873 | * see function psmouse_switch_protocol() in psmouse-base.c | |
2874 | */ | |
2875 | dev2->name = "AlpsPS/2 ALPS DualPoint Stick"; | |
04aae283 PR |
2876 | |
2877 | dev2->id.bustype = BUS_I8042; | |
2878 | dev2->id.vendor = 0x0002; | |
dfba8600 PR |
2879 | dev2->id.product = PSMOUSE_ALPS; |
2880 | dev2->id.version = priv->proto_version; | |
04aae283 | 2881 | dev2->dev.parent = &psmouse->ps2dev.serio->dev; |
1da177e4 | 2882 | |
04aae283 PR |
2883 | input_set_capability(dev2, EV_REL, REL_X); |
2884 | input_set_capability(dev2, EV_REL, REL_Y); | |
2885 | input_set_capability(dev2, EV_KEY, BTN_LEFT); | |
2886 | input_set_capability(dev2, EV_KEY, BTN_RIGHT); | |
2887 | input_set_capability(dev2, EV_KEY, BTN_MIDDLE); | |
1da177e4 | 2888 | |
04aae283 | 2889 | __set_bit(INPUT_PROP_POINTER, dev2->propbit); |
7611392f HG |
2890 | __set_bit(INPUT_PROP_POINTING_STICK, dev2->propbit); |
2891 | ||
04aae283 PR |
2892 | error = input_register_device(dev2); |
2893 | if (error) { | |
2894 | psmouse_err(psmouse, | |
2895 | "failed to register trackstick device: %d\n", | |
2896 | error); | |
2897 | input_free_device(dev2); | |
2898 | goto init_fail; | |
2899 | } | |
2900 | ||
2901 | priv->dev2 = dev2; | |
2902 | } | |
2903 | ||
2904 | priv->psmouse = psmouse; | |
2905 | ||
2906 | INIT_DELAYED_WORK(&priv->dev3_register_work, | |
2907 | alps_register_bare_ps2_mouse); | |
1da177e4 LT |
2908 | |
2909 | psmouse->protocol_handler = alps_process_byte; | |
f0d5c6f4 | 2910 | psmouse->poll = alps_poll; |
1da177e4 LT |
2911 | psmouse->disconnect = alps_disconnect; |
2912 | psmouse->reconnect = alps_reconnect; | |
99df65e7 | 2913 | psmouse->pktsize = priv->proto_version == ALPS_PROTO_V4 ? 8 : 6; |
1da177e4 | 2914 | |
f0d5c6f4 DT |
2915 | /* We are having trouble resyncing ALPS touchpads so disable it for now */ |
2916 | psmouse->resync_time = 0; | |
2917 | ||
9d720b34 PR |
2918 | /* Allow 2 invalid packets without resetting device */ |
2919 | psmouse->resetafter = psmouse->pktsize * 2; | |
2920 | ||
1da177e4 LT |
2921 | return 0; |
2922 | ||
2923 | init_fail: | |
f42649e8 | 2924 | psmouse_reset(psmouse); |
a09221e8 DT |
2925 | /* |
2926 | * Even though we did not allocate psmouse->private we do free | |
2927 | * it here. | |
2928 | */ | |
2929 | kfree(psmouse->private); | |
1e0c5b12 | 2930 | psmouse->private = NULL; |
a09221e8 | 2931 | return error; |
1da177e4 LT |
2932 | } |
2933 | ||
b7802c5c | 2934 | int alps_detect(struct psmouse *psmouse, bool set_properties) |
1da177e4 | 2935 | { |
a09221e8 DT |
2936 | struct alps_data *priv; |
2937 | int error; | |
1da177e4 | 2938 | |
a09221e8 DT |
2939 | error = alps_identify(psmouse, NULL); |
2940 | if (error) | |
2941 | return error; | |
2942 | ||
2943 | /* | |
2944 | * Reset the device to make sure it is fully operational: | |
2945 | * on some laptops, like certain Dell Latitudes, we may | |
2946 | * fail to properly detect presence of trackstick if device | |
2947 | * has not been reset. | |
2948 | */ | |
2949 | psmouse_reset(psmouse); | |
2950 | ||
2951 | priv = kzalloc(sizeof(struct alps_data), GFP_KERNEL); | |
2952 | if (!priv) | |
2953 | return -ENOMEM; | |
2954 | ||
2955 | error = alps_identify(psmouse, priv); | |
93050db2 DT |
2956 | if (error) { |
2957 | kfree(priv); | |
a09221e8 | 2958 | return error; |
93050db2 | 2959 | } |
1da177e4 LT |
2960 | |
2961 | if (set_properties) { | |
2962 | psmouse->vendor = "ALPS"; | |
a09221e8 | 2963 | psmouse->name = priv->flags & ALPS_DUALPOINT ? |
968ac842 | 2964 | "DualPoint TouchPad" : "GlidePoint"; |
a09221e8 DT |
2965 | psmouse->model = priv->proto_version; |
2966 | } else { | |
2967 | /* | |
2968 | * Destroy alps_data structure we allocated earlier since | |
2969 | * this was just a "trial run". Otherwise we'll keep it | |
2970 | * to be used by alps_init() which has to be called if | |
2971 | * we succeed and set_properties is true. | |
2972 | */ | |
2973 | kfree(priv); | |
2974 | psmouse->private = NULL; | |
1da177e4 | 2975 | } |
a09221e8 | 2976 | |
1da177e4 LT |
2977 | return 0; |
2978 | } | |
2979 |