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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * ALPS touchpad PS/2 mouse driver | |
3 | * | |
4 | * Copyright (c) 2003 Neil Brown <neilb@cse.unsw.edu.au> | |
963f626d | 5 | * Copyright (c) 2003-2005 Peter Osterlund <petero2@telia.com> |
1da177e4 LT |
6 | * Copyright (c) 2004 Dmitry Torokhov <dtor@mail.ru> |
7 | * Copyright (c) 2005 Vojtech Pavlik <vojtech@suse.cz> | |
1d9f2626 | 8 | * Copyright (c) 2009 Sebastian Kapfer <sebastian_kapfer@gmx.net> |
1da177e4 LT |
9 | * |
10 | * ALPS detection, tap switching and status querying info is taken from | |
11 | * tpconfig utility (by C. Scott Ananian and Bruce Kall). | |
12 | * | |
13 | * This program is free software; you can redistribute it and/or modify it | |
14 | * under the terms of the GNU General Public License version 2 as published by | |
15 | * the Free Software Foundation. | |
16 | */ | |
17 | ||
5a0e3ad6 | 18 | #include <linux/slab.h> |
1da177e4 | 19 | #include <linux/input.h> |
01ce661f | 20 | #include <linux/input/mt.h> |
1da177e4 LT |
21 | #include <linux/serio.h> |
22 | #include <linux/libps2.h> | |
073e570d | 23 | #include <linux/dmi.h> |
1da177e4 LT |
24 | |
25 | #include "psmouse.h" | |
26 | #include "alps.h" | |
27 | ||
25bded7c SF |
28 | /* |
29 | * Definitions for ALPS version 3 and 4 command mode protocol | |
30 | */ | |
31 | #define ALPS_CMD_NIBBLE_10 0x01f2 | |
32 | ||
cd401204 | 33 | #define ALPS_REG_BASE_RUSHMORE 0xc2c0 |
dae928ec | 34 | #define ALPS_REG_BASE_V7 0xc2c0 |
cd401204 KC |
35 | #define ALPS_REG_BASE_PINNACLE 0x0000 |
36 | ||
25bded7c SF |
37 | static const struct alps_nibble_commands alps_v3_nibble_commands[] = { |
38 | { PSMOUSE_CMD_SETPOLL, 0x00 }, /* 0 */ | |
39 | { PSMOUSE_CMD_RESET_DIS, 0x00 }, /* 1 */ | |
40 | { PSMOUSE_CMD_SETSCALE21, 0x00 }, /* 2 */ | |
41 | { PSMOUSE_CMD_SETRATE, 0x0a }, /* 3 */ | |
42 | { PSMOUSE_CMD_SETRATE, 0x14 }, /* 4 */ | |
43 | { PSMOUSE_CMD_SETRATE, 0x28 }, /* 5 */ | |
44 | { PSMOUSE_CMD_SETRATE, 0x3c }, /* 6 */ | |
45 | { PSMOUSE_CMD_SETRATE, 0x50 }, /* 7 */ | |
46 | { PSMOUSE_CMD_SETRATE, 0x64 }, /* 8 */ | |
47 | { PSMOUSE_CMD_SETRATE, 0xc8 }, /* 9 */ | |
48 | { ALPS_CMD_NIBBLE_10, 0x00 }, /* a */ | |
49 | { PSMOUSE_CMD_SETRES, 0x00 }, /* b */ | |
50 | { PSMOUSE_CMD_SETRES, 0x01 }, /* c */ | |
51 | { PSMOUSE_CMD_SETRES, 0x02 }, /* d */ | |
52 | { PSMOUSE_CMD_SETRES, 0x03 }, /* e */ | |
53 | { PSMOUSE_CMD_SETSCALE11, 0x00 }, /* f */ | |
54 | }; | |
55 | ||
56 | static const struct alps_nibble_commands alps_v4_nibble_commands[] = { | |
57 | { PSMOUSE_CMD_ENABLE, 0x00 }, /* 0 */ | |
58 | { PSMOUSE_CMD_RESET_DIS, 0x00 }, /* 1 */ | |
59 | { PSMOUSE_CMD_SETSCALE21, 0x00 }, /* 2 */ | |
60 | { PSMOUSE_CMD_SETRATE, 0x0a }, /* 3 */ | |
61 | { PSMOUSE_CMD_SETRATE, 0x14 }, /* 4 */ | |
62 | { PSMOUSE_CMD_SETRATE, 0x28 }, /* 5 */ | |
63 | { PSMOUSE_CMD_SETRATE, 0x3c }, /* 6 */ | |
64 | { PSMOUSE_CMD_SETRATE, 0x50 }, /* 7 */ | |
65 | { PSMOUSE_CMD_SETRATE, 0x64 }, /* 8 */ | |
66 | { PSMOUSE_CMD_SETRATE, 0xc8 }, /* 9 */ | |
67 | { ALPS_CMD_NIBBLE_10, 0x00 }, /* a */ | |
68 | { PSMOUSE_CMD_SETRES, 0x00 }, /* b */ | |
69 | { PSMOUSE_CMD_SETRES, 0x01 }, /* c */ | |
70 | { PSMOUSE_CMD_SETRES, 0x02 }, /* d */ | |
71 | { PSMOUSE_CMD_SETRES, 0x03 }, /* e */ | |
72 | { PSMOUSE_CMD_SETSCALE11, 0x00 }, /* f */ | |
73 | }; | |
74 | ||
95f75e91 YT |
75 | static const struct alps_nibble_commands alps_v6_nibble_commands[] = { |
76 | { PSMOUSE_CMD_ENABLE, 0x00 }, /* 0 */ | |
77 | { PSMOUSE_CMD_SETRATE, 0x0a }, /* 1 */ | |
78 | { PSMOUSE_CMD_SETRATE, 0x14 }, /* 2 */ | |
79 | { PSMOUSE_CMD_SETRATE, 0x28 }, /* 3 */ | |
80 | { PSMOUSE_CMD_SETRATE, 0x3c }, /* 4 */ | |
81 | { PSMOUSE_CMD_SETRATE, 0x50 }, /* 5 */ | |
82 | { PSMOUSE_CMD_SETRATE, 0x64 }, /* 6 */ | |
83 | { PSMOUSE_CMD_SETRATE, 0xc8 }, /* 7 */ | |
84 | { PSMOUSE_CMD_GETID, 0x00 }, /* 8 */ | |
85 | { PSMOUSE_CMD_GETINFO, 0x00 }, /* 9 */ | |
86 | { PSMOUSE_CMD_SETRES, 0x00 }, /* a */ | |
87 | { PSMOUSE_CMD_SETRES, 0x01 }, /* b */ | |
88 | { PSMOUSE_CMD_SETRES, 0x02 }, /* c */ | |
89 | { PSMOUSE_CMD_SETRES, 0x03 }, /* d */ | |
90 | { PSMOUSE_CMD_SETSCALE21, 0x00 }, /* e */ | |
91 | { PSMOUSE_CMD_SETSCALE11, 0x00 }, /* f */ | |
92 | }; | |
93 | ||
25bded7c | 94 | |
71bb21b6 ML |
95 | #define ALPS_DUALPOINT 0x02 /* touchpad has trackstick */ |
96 | #define ALPS_PASS 0x04 /* device has a pass-through port */ | |
97 | ||
98 | #define ALPS_WHEEL 0x08 /* hardware wheel present */ | |
99 | #define ALPS_FW_BK_1 0x10 /* front & back buttons present */ | |
100 | #define ALPS_FW_BK_2 0x20 /* front & back buttons present */ | |
101 | #define ALPS_FOUR_BUTTONS 0x40 /* 4 direction button present */ | |
1d9f2626 SK |
102 | #define ALPS_PS2_INTERLEAVED 0x80 /* 3-byte PS/2 packet interleaved with |
103 | 6-byte ALPS packet */ | |
19556219 | 104 | #define ALPS_STICK_BITS 0x100 /* separate stick button bits */ |
3808843c | 105 | #define ALPS_BUTTONPAD 0x200 /* device is a clickpad */ |
7ad8a106 | 106 | #define ALPS_DUALPOINT_WITH_PRESSURE 0x400 /* device can report trackpoint pressure */ |
1da177e4 | 107 | |
e38de678 | 108 | static const struct alps_model_info alps_model_data[] = { |
8326bb57 DT |
109 | { { 0x32, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } }, /* Toshiba Salellite Pro M10 */ |
110 | { { 0x33, 0x02, 0x0a }, 0x00, { ALPS_PROTO_V1, 0x88, 0xf8, 0 } }, /* UMAX-530T */ | |
111 | { { 0x53, 0x02, 0x0a }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } }, | |
112 | { { 0x53, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } }, | |
113 | { { 0x60, 0x03, 0xc8 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } }, /* HP ze1115 */ | |
114 | { { 0x63, 0x02, 0x0a }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } }, | |
115 | { { 0x63, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } }, | |
116 | { { 0x63, 0x02, 0x28 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_FW_BK_2 } }, /* Fujitsu Siemens S6010 */ | |
117 | { { 0x63, 0x02, 0x3c }, 0x00, { ALPS_PROTO_V2, 0x8f, 0x8f, ALPS_WHEEL } }, /* Toshiba Satellite S2400-103 */ | |
118 | { { 0x63, 0x02, 0x50 }, 0x00, { ALPS_PROTO_V2, 0xef, 0xef, ALPS_FW_BK_1 } }, /* NEC Versa L320 */ | |
119 | { { 0x63, 0x02, 0x64 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } }, | |
120 | { { 0x63, 0x03, 0xc8 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } }, /* Dell Latitude D800 */ | |
121 | { { 0x73, 0x00, 0x0a }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_DUALPOINT } }, /* ThinkPad R61 8918-5QG */ | |
122 | { { 0x73, 0x02, 0x0a }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } }, | |
123 | { { 0x73, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_FW_BK_2 } }, /* Ahtec Laptop */ | |
626b9da0 DT |
124 | |
125 | /* | |
126 | * XXX This entry is suspicious. First byte has zero lower nibble, | |
127 | * which is what a normal mouse would report. Also, the value 0x0e | |
128 | * isn't valid per PS/2 spec. | |
129 | */ | |
130 | { { 0x20, 0x02, 0x0e }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } }, | |
131 | ||
8326bb57 DT |
132 | { { 0x22, 0x02, 0x0a }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } }, |
133 | { { 0x22, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT } }, /* Dell Latitude D600 */ | |
1d9f2626 | 134 | /* Dell Latitude E5500, E6400, E6500, Precision M4400 */ |
8326bb57 DT |
135 | { { 0x62, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xcf, 0xcf, |
136 | ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED } }, | |
137 | { { 0x73, 0x00, 0x14 }, 0x00, { ALPS_PROTO_V6, 0xff, 0xff, ALPS_DUALPOINT } }, /* Dell XT2 */ | |
138 | { { 0x73, 0x02, 0x50 }, 0x00, { ALPS_PROTO_V2, 0xcf, 0xcf, ALPS_FOUR_BUTTONS } }, /* Dell Vostro 1400 */ | |
139 | { { 0x52, 0x01, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xff, 0xff, | |
140 | ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED } }, /* Toshiba Tecra A11-11L */ | |
141 | { { 0x73, 0x02, 0x64 }, 0x8a, { ALPS_PROTO_V4, 0x8f, 0x8f, 0 } }, | |
1da177e4 LT |
142 | }; |
143 | ||
3296f71c DT |
144 | static const struct alps_protocol_info alps_v3_protocol_data = { |
145 | ALPS_PROTO_V3, 0x8f, 0x8f, ALPS_DUALPOINT | |
146 | }; | |
147 | ||
148 | static const struct alps_protocol_info alps_v3_rushmore_data = { | |
149 | ALPS_PROTO_V3_RUSHMORE, 0x8f, 0x8f, ALPS_DUALPOINT | |
150 | }; | |
151 | ||
152 | static const struct alps_protocol_info alps_v5_protocol_data = { | |
153 | ALPS_PROTO_V5, 0xc8, 0xd8, 0 | |
154 | }; | |
155 | ||
156 | static const struct alps_protocol_info alps_v7_protocol_data = { | |
157 | ALPS_PROTO_V7, 0x48, 0x48, ALPS_DUALPOINT | |
158 | }; | |
159 | ||
3db5b9f7 MO |
160 | static const struct alps_protocol_info alps_v8_protocol_data = { |
161 | ALPS_PROTO_V8, 0x18, 0x18, 0 | |
162 | }; | |
163 | ||
19556219 HG |
164 | /* |
165 | * Some v2 models report the stick buttons in separate bits | |
166 | */ | |
167 | static const struct dmi_system_id alps_dmi_has_separate_stick_buttons[] = { | |
168 | #if defined(CONFIG_DMI) && defined(CONFIG_X86) | |
169 | { | |
170 | /* Extrapolated from other entries */ | |
171 | .matches = { | |
172 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
173 | DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D420"), | |
174 | }, | |
175 | }, | |
176 | { | |
177 | /* Reported-by: Hans de Bruin <jmdebruin@xmsnet.nl> */ | |
178 | .matches = { | |
179 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
180 | DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D430"), | |
181 | }, | |
182 | }, | |
183 | { | |
184 | /* Reported-by: Hans de Goede <hdegoede@redhat.com> */ | |
185 | .matches = { | |
186 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
187 | DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D620"), | |
188 | }, | |
189 | }, | |
190 | { | |
191 | /* Extrapolated from other entries */ | |
192 | .matches = { | |
193 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
194 | DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D630"), | |
195 | }, | |
196 | }, | |
197 | #endif | |
198 | { } | |
199 | }; | |
200 | ||
24af5cb9 KC |
201 | static void alps_set_abs_params_st(struct alps_data *priv, |
202 | struct input_dev *dev1); | |
688ea364 HG |
203 | static void alps_set_abs_params_semi_mt(struct alps_data *priv, |
204 | struct input_dev *dev1); | |
8eccd393 MO |
205 | static void alps_set_abs_params_v7(struct alps_data *priv, |
206 | struct input_dev *dev1); | |
3db5b9f7 MO |
207 | static void alps_set_abs_params_ss4_v2(struct alps_data *priv, |
208 | struct input_dev *dev1); | |
24af5cb9 | 209 | |
d4b347b2 | 210 | /* Packet formats are described in Documentation/input/alps.txt */ |
1da177e4 | 211 | |
99df65e7 | 212 | static bool alps_is_valid_first_byte(struct alps_data *priv, |
1d9f2626 SK |
213 | unsigned char data) |
214 | { | |
99df65e7 | 215 | return (data & priv->mask0) == priv->byte0; |
1d9f2626 SK |
216 | } |
217 | ||
04aae283 | 218 | static void alps_report_buttons(struct input_dev *dev1, struct input_dev *dev2, |
1d9f2626 SK |
219 | int left, int right, int middle) |
220 | { | |
c91ed059 MB |
221 | struct input_dev *dev; |
222 | ||
223 | /* | |
224 | * If shared button has already been reported on the | |
225 | * other device (dev2) then this event should be also | |
226 | * sent through that device. | |
227 | */ | |
04aae283 | 228 | dev = (dev2 && test_bit(BTN_LEFT, dev2->key)) ? dev2 : dev1; |
c91ed059 MB |
229 | input_report_key(dev, BTN_LEFT, left); |
230 | ||
04aae283 | 231 | dev = (dev2 && test_bit(BTN_RIGHT, dev2->key)) ? dev2 : dev1; |
c91ed059 MB |
232 | input_report_key(dev, BTN_RIGHT, right); |
233 | ||
04aae283 | 234 | dev = (dev2 && test_bit(BTN_MIDDLE, dev2->key)) ? dev2 : dev1; |
c91ed059 MB |
235 | input_report_key(dev, BTN_MIDDLE, middle); |
236 | ||
237 | /* | |
238 | * Sync the _other_ device now, we'll do the first | |
239 | * device later once we report the rest of the events. | |
240 | */ | |
04aae283 PR |
241 | if (dev2) |
242 | input_sync(dev2); | |
1d9f2626 SK |
243 | } |
244 | ||
25bded7c | 245 | static void alps_process_packet_v1_v2(struct psmouse *psmouse) |
1da177e4 LT |
246 | { |
247 | struct alps_data *priv = psmouse->private; | |
248 | unsigned char *packet = psmouse->packet; | |
2e5b636b DT |
249 | struct input_dev *dev = psmouse->dev; |
250 | struct input_dev *dev2 = priv->dev2; | |
1da177e4 | 251 | int x, y, z, ges, fin, left, right, middle; |
c30b4c10 | 252 | int back = 0, forward = 0; |
1da177e4 | 253 | |
99df65e7 | 254 | if (priv->proto_version == ALPS_PROTO_V1) { |
d2f4012f YM |
255 | left = packet[2] & 0x10; |
256 | right = packet[2] & 0x08; | |
1da177e4 LT |
257 | middle = 0; |
258 | x = packet[1] | ((packet[0] & 0x07) << 7); | |
259 | y = packet[4] | ((packet[3] & 0x07) << 7); | |
260 | z = packet[5]; | |
261 | } else { | |
262 | left = packet[3] & 1; | |
263 | right = packet[3] & 2; | |
264 | middle = packet[3] & 4; | |
265 | x = packet[1] | ((packet[2] & 0x78) << (7 - 3)); | |
266 | y = packet[4] | ((packet[3] & 0x70) << (7 - 4)); | |
267 | z = packet[5]; | |
268 | } | |
269 | ||
99df65e7 | 270 | if (priv->flags & ALPS_FW_BK_1) { |
3c00bb96 LK |
271 | back = packet[0] & 0x10; |
272 | forward = packet[2] & 4; | |
c30b4c10 ICR |
273 | } |
274 | ||
99df65e7 | 275 | if (priv->flags & ALPS_FW_BK_2) { |
c30b4c10 ICR |
276 | back = packet[3] & 4; |
277 | forward = packet[2] & 4; | |
278 | if ((middle = forward && back)) | |
279 | forward = back = 0; | |
280 | } | |
281 | ||
1da177e4 LT |
282 | ges = packet[2] & 1; |
283 | fin = packet[2] & 2; | |
284 | ||
99df65e7 | 285 | if ((priv->flags & ALPS_DUALPOINT) && z == 127) { |
1da177e4 LT |
286 | input_report_rel(dev2, REL_X, (x > 383 ? (x - 768) : x)); |
287 | input_report_rel(dev2, REL_Y, -(y > 255 ? (y - 512) : y)); | |
d7ed5d88 | 288 | |
04aae283 | 289 | alps_report_buttons(dev2, dev, left, right, middle); |
d7ed5d88 | 290 | |
1da177e4 LT |
291 | input_sync(dev2); |
292 | return; | |
293 | } | |
294 | ||
19556219 HG |
295 | /* Some models have separate stick button bits */ |
296 | if (priv->flags & ALPS_STICK_BITS) { | |
92bac83d HG |
297 | left |= packet[0] & 1; |
298 | right |= packet[0] & 2; | |
299 | middle |= packet[0] & 4; | |
300 | } | |
301 | ||
04aae283 | 302 | alps_report_buttons(dev, dev2, left, right, middle); |
d7ed5d88 | 303 | |
1da177e4 | 304 | /* Convert hardware tap to a reasonable Z value */ |
71bb21b6 ML |
305 | if (ges && !fin) |
306 | z = 40; | |
1da177e4 LT |
307 | |
308 | /* | |
309 | * A "tap and drag" operation is reported by the hardware as a transition | |
310 | * from (!fin && ges) to (fin && ges). This should be translated to the | |
311 | * sequence Z>0, Z==0, Z>0, so the Z==0 event has to be generated manually. | |
312 | */ | |
313 | if (ges && fin && !priv->prev_fin) { | |
314 | input_report_abs(dev, ABS_X, x); | |
315 | input_report_abs(dev, ABS_Y, y); | |
316 | input_report_abs(dev, ABS_PRESSURE, 0); | |
317 | input_report_key(dev, BTN_TOOL_FINGER, 0); | |
318 | input_sync(dev); | |
319 | } | |
320 | priv->prev_fin = fin; | |
321 | ||
71bb21b6 ML |
322 | if (z > 30) |
323 | input_report_key(dev, BTN_TOUCH, 1); | |
324 | if (z < 25) | |
325 | input_report_key(dev, BTN_TOUCH, 0); | |
1da177e4 LT |
326 | |
327 | if (z > 0) { | |
328 | input_report_abs(dev, ABS_X, x); | |
329 | input_report_abs(dev, ABS_Y, y); | |
330 | } | |
331 | ||
332 | input_report_abs(dev, ABS_PRESSURE, z); | |
333 | input_report_key(dev, BTN_TOOL_FINGER, z > 0); | |
334 | ||
99df65e7 | 335 | if (priv->flags & ALPS_WHEEL) |
e6c047b9 | 336 | input_report_rel(dev, REL_WHEEL, ((packet[2] << 1) & 0x08) - ((packet[0] >> 4) & 0x07)); |
1da177e4 | 337 | |
99df65e7 | 338 | if (priv->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) { |
c30b4c10 ICR |
339 | input_report_key(dev, BTN_FORWARD, forward); |
340 | input_report_key(dev, BTN_BACK, back); | |
1da177e4 LT |
341 | } |
342 | ||
99df65e7 | 343 | if (priv->flags & ALPS_FOUR_BUTTONS) { |
71bb21b6 ML |
344 | input_report_key(dev, BTN_0, packet[2] & 4); |
345 | input_report_key(dev, BTN_1, packet[0] & 0x10); | |
346 | input_report_key(dev, BTN_2, packet[3] & 4); | |
347 | input_report_key(dev, BTN_3, packet[0] & 0x20); | |
348 | } | |
349 | ||
1da177e4 LT |
350 | input_sync(dev); |
351 | } | |
352 | ||
036e6c7b HG |
353 | static void alps_get_bitmap_points(unsigned int map, |
354 | struct alps_bitmap_point *low, | |
355 | struct alps_bitmap_point *high, | |
356 | int *fingers) | |
357 | { | |
358 | struct alps_bitmap_point *point; | |
359 | int i, bit, prev_bit = 0; | |
360 | ||
361 | point = low; | |
362 | for (i = 0; map != 0; i++, map >>= 1) { | |
363 | bit = map & 1; | |
364 | if (bit) { | |
365 | if (!prev_bit) { | |
366 | point->start_bit = i; | |
105affbf | 367 | point->num_bits = 0; |
036e6c7b HG |
368 | (*fingers)++; |
369 | } | |
370 | point->num_bits++; | |
371 | } else { | |
372 | if (prev_bit) | |
373 | point = high; | |
036e6c7b HG |
374 | } |
375 | prev_bit = bit; | |
376 | } | |
377 | } | |
378 | ||
01ce661f | 379 | /* |
dccf1dd8 | 380 | * Process bitmap data from semi-mt protocols. Returns the number of |
01ce661f SF |
381 | * fingers detected. A return value of 0 means at least one of the |
382 | * bitmaps was empty. | |
383 | * | |
384 | * The bitmaps don't have enough data to track fingers, so this function | |
385 | * only generates points representing a bounding box of all contacts. | |
02d04254 | 386 | * These points are returned in fields->mt when the return value |
01ce661f SF |
387 | * is greater than 0. |
388 | */ | |
7a9f73e7 | 389 | static int alps_process_bitmap(struct alps_data *priv, |
02d04254 | 390 | struct alps_fields *fields) |
01ce661f | 391 | { |
4dd26573 | 392 | int i, fingers_x = 0, fingers_y = 0, fingers, closest; |
01ce661f SF |
393 | struct alps_bitmap_point x_low = {0,}, x_high = {0,}; |
394 | struct alps_bitmap_point y_low = {0,}, y_high = {0,}; | |
4dd26573 | 395 | struct input_mt_pos corner[4]; |
01ce661f | 396 | |
02d04254 | 397 | if (!fields->x_map || !fields->y_map) |
01ce661f SF |
398 | return 0; |
399 | ||
02d04254 HG |
400 | alps_get_bitmap_points(fields->x_map, &x_low, &x_high, &fingers_x); |
401 | alps_get_bitmap_points(fields->y_map, &y_low, &y_high, &fingers_y); | |
01ce661f SF |
402 | |
403 | /* | |
404 | * Fingers can overlap, so we use the maximum count of fingers | |
405 | * on either axis as the finger count. | |
406 | */ | |
407 | fingers = max(fingers_x, fingers_y); | |
408 | ||
409 | /* | |
20bea68b HG |
410 | * If an axis reports only a single contact, we have overlapping or |
411 | * adjacent fingers. Divide the single contact between the two points. | |
01ce661f | 412 | */ |
20bea68b | 413 | if (fingers_x == 1) { |
28835f45 | 414 | i = (x_low.num_bits - 1) / 2; |
20bea68b HG |
415 | x_low.num_bits = x_low.num_bits - i; |
416 | x_high.start_bit = x_low.start_bit + i; | |
417 | x_high.num_bits = max(i, 1); | |
418 | } | |
419 | if (fingers_y == 1) { | |
28835f45 | 420 | i = (y_low.num_bits - 1) / 2; |
20bea68b HG |
421 | y_low.num_bits = y_low.num_bits - i; |
422 | y_high.start_bit = y_low.start_bit + i; | |
423 | y_high.num_bits = max(i, 1); | |
01ce661f SF |
424 | } |
425 | ||
4dd26573 HG |
426 | /* top-left corner */ |
427 | corner[0].x = | |
02d04254 HG |
428 | (priv->x_max * (2 * x_low.start_bit + x_low.num_bits - 1)) / |
429 | (2 * (priv->x_bits - 1)); | |
4dd26573 | 430 | corner[0].y = |
02d04254 HG |
431 | (priv->y_max * (2 * y_low.start_bit + y_low.num_bits - 1)) / |
432 | (2 * (priv->y_bits - 1)); | |
01ce661f | 433 | |
4dd26573 HG |
434 | /* top-right corner */ |
435 | corner[1].x = | |
02d04254 HG |
436 | (priv->x_max * (2 * x_high.start_bit + x_high.num_bits - 1)) / |
437 | (2 * (priv->x_bits - 1)); | |
4dd26573 HG |
438 | corner[1].y = |
439 | (priv->y_max * (2 * y_low.start_bit + y_low.num_bits - 1)) / | |
440 | (2 * (priv->y_bits - 1)); | |
441 | ||
442 | /* bottom-right corner */ | |
443 | corner[2].x = | |
444 | (priv->x_max * (2 * x_high.start_bit + x_high.num_bits - 1)) / | |
445 | (2 * (priv->x_bits - 1)); | |
446 | corner[2].y = | |
447 | (priv->y_max * (2 * y_high.start_bit + y_high.num_bits - 1)) / | |
448 | (2 * (priv->y_bits - 1)); | |
449 | ||
450 | /* bottom-left corner */ | |
451 | corner[3].x = | |
452 | (priv->x_max * (2 * x_low.start_bit + x_low.num_bits - 1)) / | |
453 | (2 * (priv->x_bits - 1)); | |
454 | corner[3].y = | |
02d04254 HG |
455 | (priv->y_max * (2 * y_high.start_bit + y_high.num_bits - 1)) / |
456 | (2 * (priv->y_bits - 1)); | |
01ce661f | 457 | |
dccf1dd8 HG |
458 | /* x-bitmap order is reversed on v5 touchpads */ |
459 | if (priv->proto_version == ALPS_PROTO_V5) { | |
460 | for (i = 0; i < 4; i++) | |
461 | corner[i].x = priv->x_max - corner[i].x; | |
462 | } | |
463 | ||
464 | /* y-bitmap order is reversed on v3 and v4 touchpads */ | |
465 | if (priv->proto_version == ALPS_PROTO_V3 || | |
466 | priv->proto_version == ALPS_PROTO_V4) { | |
4dd26573 HG |
467 | for (i = 0; i < 4; i++) |
468 | corner[i].y = priv->y_max - corner[i].y; | |
469 | } | |
470 | ||
471 | /* | |
472 | * We only select a corner for the second touch once per 2 finger | |
473 | * touch sequence to avoid the chosen corner (and thus the coordinates) | |
474 | * jumping around when the first touch is in the middle. | |
475 | */ | |
476 | if (priv->second_touch == -1) { | |
477 | /* Find corner closest to our st coordinates */ | |
478 | closest = 0x7fffffff; | |
479 | for (i = 0; i < 4; i++) { | |
480 | int dx = fields->st.x - corner[i].x; | |
481 | int dy = fields->st.y - corner[i].y; | |
482 | int distance = dx * dx + dy * dy; | |
483 | ||
484 | if (distance < closest) { | |
485 | priv->second_touch = i; | |
486 | closest = distance; | |
487 | } | |
488 | } | |
489 | /* And select the opposite corner to use for the 2nd touch */ | |
490 | priv->second_touch = (priv->second_touch + 2) % 4; | |
40e8f53b HG |
491 | } |
492 | ||
4dd26573 HG |
493 | fields->mt[0] = fields->st; |
494 | fields->mt[1] = corner[priv->second_touch]; | |
495 | ||
01ce661f SF |
496 | return fingers; |
497 | } | |
498 | ||
cdf333ef | 499 | static void alps_set_slot(struct input_dev *dev, int slot, int x, int y) |
01ce661f SF |
500 | { |
501 | input_mt_slot(dev, slot); | |
cdf333ef HG |
502 | input_mt_report_slot_state(dev, MT_TOOL_FINGER, true); |
503 | input_report_abs(dev, ABS_MT_POSITION_X, x); | |
504 | input_report_abs(dev, ABS_MT_POSITION_Y, y); | |
01ce661f SF |
505 | } |
506 | ||
cdf333ef | 507 | static void alps_report_mt_data(struct psmouse *psmouse, int n) |
01ce661f | 508 | { |
02d04254 HG |
509 | struct alps_data *priv = psmouse->private; |
510 | struct input_dev *dev = psmouse->dev; | |
511 | struct alps_fields *f = &priv->f; | |
cdf333ef HG |
512 | int i, slot[MAX_TOUCHES]; |
513 | ||
448c7f38 | 514 | input_mt_assign_slots(dev, slot, f->mt, n, 0); |
cdf333ef HG |
515 | for (i = 0; i < n; i++) |
516 | alps_set_slot(dev, slot[i], f->mt[i].x, f->mt[i].y); | |
02d04254 | 517 | |
cdf333ef | 518 | input_mt_sync_frame(dev); |
01ce661f SF |
519 | } |
520 | ||
68c21870 HG |
521 | static void alps_report_semi_mt_data(struct psmouse *psmouse, int fingers) |
522 | { | |
523 | struct alps_data *priv = psmouse->private; | |
524 | struct input_dev *dev = psmouse->dev; | |
525 | struct alps_fields *f = &priv->f; | |
526 | ||
527 | /* Use st data when we don't have mt data */ | |
528 | if (fingers < 2) { | |
529 | f->mt[0].x = f->st.x; | |
530 | f->mt[0].y = f->st.y; | |
531 | fingers = f->pressure > 0 ? 1 : 0; | |
4dd26573 | 532 | priv->second_touch = -1; |
68c21870 HG |
533 | } |
534 | ||
1662c033 HG |
535 | if (fingers >= 1) |
536 | alps_set_slot(dev, 0, f->mt[0].x, f->mt[0].y); | |
537 | if (fingers >= 2) | |
538 | alps_set_slot(dev, 1, f->mt[1].x, f->mt[1].y); | |
539 | input_mt_sync_frame(dev); | |
68c21870 HG |
540 | |
541 | input_mt_report_finger_count(dev, fingers); | |
542 | ||
543 | input_report_key(dev, BTN_LEFT, f->left); | |
544 | input_report_key(dev, BTN_RIGHT, f->right); | |
545 | input_report_key(dev, BTN_MIDDLE, f->middle); | |
546 | ||
547 | input_report_abs(dev, ABS_PRESSURE, f->pressure); | |
548 | ||
549 | input_sync(dev); | |
550 | } | |
551 | ||
25bded7c SF |
552 | static void alps_process_trackstick_packet_v3(struct psmouse *psmouse) |
553 | { | |
554 | struct alps_data *priv = psmouse->private; | |
555 | unsigned char *packet = psmouse->packet; | |
556 | struct input_dev *dev = priv->dev2; | |
557 | int x, y, z, left, right, middle; | |
558 | ||
34412ba2 PR |
559 | /* It should be a DualPoint when received trackstick packet */ |
560 | if (!(priv->flags & ALPS_DUALPOINT)) { | |
561 | psmouse_warn(psmouse, | |
562 | "Rejected trackstick packet from non DualPoint device"); | |
563 | return; | |
564 | } | |
565 | ||
25bded7c SF |
566 | /* Sanity check packet */ |
567 | if (!(packet[0] & 0x40)) { | |
568 | psmouse_dbg(psmouse, "Bad trackstick packet, discarding\n"); | |
569 | return; | |
570 | } | |
571 | ||
572 | /* | |
573 | * There's a special packet that seems to indicate the end | |
574 | * of a stream of trackstick data. Filter these out. | |
575 | */ | |
576 | if (packet[1] == 0x7f && packet[2] == 0x7f && packet[4] == 0x7f) | |
577 | return; | |
578 | ||
579 | x = (s8)(((packet[0] & 0x20) << 2) | (packet[1] & 0x7f)); | |
580 | y = (s8)(((packet[0] & 0x10) << 3) | (packet[2] & 0x7f)); | |
581 | z = (packet[4] & 0x7c) >> 2; | |
582 | ||
583 | /* | |
584 | * The x and y values tend to be quite large, and when used | |
585 | * alone the trackstick is difficult to use. Scale them down | |
586 | * to compensate. | |
587 | */ | |
588 | x /= 8; | |
589 | y /= 8; | |
590 | ||
591 | input_report_rel(dev, REL_X, x); | |
592 | input_report_rel(dev, REL_Y, -y); | |
593 | ||
594 | /* | |
595 | * Most ALPS models report the trackstick buttons in the touchpad | |
596 | * packets, but a few report them here. No reliable way has been | |
597 | * found to differentiate between the models upfront, so we enable | |
598 | * the quirk in response to seeing a button press in the trackstick | |
599 | * packet. | |
600 | */ | |
601 | left = packet[3] & 0x01; | |
602 | right = packet[3] & 0x02; | |
603 | middle = packet[3] & 0x04; | |
604 | ||
605 | if (!(priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS) && | |
606 | (left || right || middle)) | |
607 | priv->quirks |= ALPS_QUIRK_TRACKSTICK_BUTTONS; | |
608 | ||
609 | if (priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS) { | |
610 | input_report_key(dev, BTN_LEFT, left); | |
611 | input_report_key(dev, BTN_RIGHT, right); | |
612 | input_report_key(dev, BTN_MIDDLE, middle); | |
613 | } | |
614 | ||
615 | input_sync(dev); | |
616 | return; | |
617 | } | |
618 | ||
f85e5001 KC |
619 | static void alps_decode_buttons_v3(struct alps_fields *f, unsigned char *p) |
620 | { | |
621 | f->left = !!(p[3] & 0x01); | |
622 | f->right = !!(p[3] & 0x02); | |
623 | f->middle = !!(p[3] & 0x04); | |
624 | ||
625 | f->ts_left = !!(p[3] & 0x10); | |
626 | f->ts_right = !!(p[3] & 0x20); | |
627 | f->ts_middle = !!(p[3] & 0x40); | |
628 | } | |
629 | ||
38c11eaa | 630 | static int alps_decode_pinnacle(struct alps_fields *f, unsigned char *p, |
ee65d4b3 | 631 | struct psmouse *psmouse) |
f85e5001 KC |
632 | { |
633 | f->first_mp = !!(p[4] & 0x40); | |
634 | f->is_mp = !!(p[0] & 0x40); | |
635 | ||
a839cd57 HG |
636 | if (f->is_mp) { |
637 | f->fingers = (p[5] & 0x3) + 1; | |
638 | f->x_map = ((p[4] & 0x7e) << 8) | | |
639 | ((p[1] & 0x7f) << 2) | | |
640 | ((p[0] & 0x30) >> 4); | |
641 | f->y_map = ((p[3] & 0x70) << 4) | | |
642 | ((p[2] & 0x7f) << 1) | | |
643 | (p[4] & 0x01); | |
644 | } else { | |
645 | f->st.x = ((p[1] & 0x7f) << 4) | ((p[4] & 0x30) >> 2) | | |
646 | ((p[0] & 0x30) >> 4); | |
647 | f->st.y = ((p[2] & 0x7f) << 4) | (p[4] & 0x0f); | |
648 | f->pressure = p[5] & 0x7f; | |
f85e5001 | 649 | |
a839cd57 HG |
650 | alps_decode_buttons_v3(f, p); |
651 | } | |
38c11eaa HG |
652 | |
653 | return 0; | |
f85e5001 KC |
654 | } |
655 | ||
38c11eaa | 656 | static int alps_decode_rushmore(struct alps_fields *f, unsigned char *p, |
ee65d4b3 | 657 | struct psmouse *psmouse) |
1302bac3 | 658 | { |
aab9cf7b | 659 | f->first_mp = !!(p[4] & 0x40); |
f105e34a | 660 | f->is_mp = !!(p[5] & 0x40); |
aab9cf7b | 661 | |
a839cd57 HG |
662 | if (f->is_mp) { |
663 | f->fingers = max((p[5] & 0x3), ((p[5] >> 2) & 0x3)) + 1; | |
664 | f->x_map = ((p[5] & 0x10) << 11) | | |
665 | ((p[4] & 0x7e) << 8) | | |
666 | ((p[1] & 0x7f) << 2) | | |
667 | ((p[0] & 0x30) >> 4); | |
668 | f->y_map = ((p[5] & 0x20) << 6) | | |
669 | ((p[3] & 0x70) << 4) | | |
670 | ((p[2] & 0x7f) << 1) | | |
671 | (p[4] & 0x01); | |
672 | } else { | |
673 | f->st.x = ((p[1] & 0x7f) << 4) | ((p[4] & 0x30) >> 2) | | |
674 | ((p[0] & 0x30) >> 4); | |
675 | f->st.y = ((p[2] & 0x7f) << 4) | (p[4] & 0x0f); | |
676 | f->pressure = p[5] & 0x7f; | |
677 | ||
678 | alps_decode_buttons_v3(f, p); | |
679 | } | |
38c11eaa HG |
680 | |
681 | return 0; | |
1302bac3 KC |
682 | } |
683 | ||
38c11eaa | 684 | static int alps_decode_dolphin(struct alps_fields *f, unsigned char *p, |
ee65d4b3 | 685 | struct psmouse *psmouse) |
75af9e56 | 686 | { |
ee65d4b3 YT |
687 | u64 palm_data = 0; |
688 | struct alps_data *priv = psmouse->private; | |
689 | ||
75af9e56 DT |
690 | f->first_mp = !!(p[0] & 0x02); |
691 | f->is_mp = !!(p[0] & 0x20); | |
692 | ||
ee65d4b3 | 693 | if (!f->is_mp) { |
02d04254 HG |
694 | f->st.x = ((p[1] & 0x7f) | ((p[4] & 0x0f) << 7)); |
695 | f->st.y = ((p[2] & 0x7f) | ((p[4] & 0xf0) << 3)); | |
696 | f->pressure = (p[0] & 4) ? 0 : p[5] & 0x7f; | |
ee65d4b3 YT |
697 | alps_decode_buttons_v3(f, p); |
698 | } else { | |
699 | f->fingers = ((p[0] & 0x6) >> 1 | | |
75af9e56 | 700 | (p[0] & 0x10) >> 2); |
75af9e56 | 701 | |
ee65d4b3 YT |
702 | palm_data = (p[1] & 0x7f) | |
703 | ((p[2] & 0x7f) << 7) | | |
704 | ((p[4] & 0x7f) << 14) | | |
705 | ((p[5] & 0x7f) << 21) | | |
706 | ((p[3] & 0x07) << 28) | | |
707 | (((u64)p[3] & 0x70) << 27) | | |
708 | (((u64)p[0] & 0x01) << 34); | |
709 | ||
710 | /* Y-profile is stored in P(0) to p(n-1), n = y_bits; */ | |
711 | f->y_map = palm_data & (BIT(priv->y_bits) - 1); | |
712 | ||
713 | /* X-profile is stored in p(n) to p(n+m-1), m = x_bits; */ | |
714 | f->x_map = (palm_data >> priv->y_bits) & | |
715 | (BIT(priv->x_bits) - 1); | |
716 | } | |
38c11eaa HG |
717 | |
718 | return 0; | |
75af9e56 DT |
719 | } |
720 | ||
ee65d4b3 | 721 | static void alps_process_touchpad_packet_v3_v5(struct psmouse *psmouse) |
25bded7c SF |
722 | { |
723 | struct alps_data *priv = psmouse->private; | |
724 | unsigned char *packet = psmouse->packet; | |
25bded7c | 725 | struct input_dev *dev2 = priv->dev2; |
02d04254 HG |
726 | struct alps_fields *f = &priv->f; |
727 | int fingers = 0; | |
728 | ||
729 | memset(f, 0, sizeof(*f)); | |
f85e5001 | 730 | |
02d04254 | 731 | priv->decode_fields(f, packet, psmouse); |
25bded7c SF |
732 | |
733 | /* | |
01ce661f SF |
734 | * There's no single feature of touchpad position and bitmap packets |
735 | * that can be used to distinguish between them. We rely on the fact | |
736 | * that a bitmap packet should always follow a position packet with | |
737 | * bit 6 of packet[4] set. | |
25bded7c SF |
738 | */ |
739 | if (priv->multi_packet) { | |
25bded7c SF |
740 | /* |
741 | * Sometimes a position packet will indicate a multi-packet | |
742 | * sequence, but then what follows is another position | |
743 | * packet. Check for this, and when it happens process the | |
744 | * position packet as usual. | |
745 | */ | |
02d04254 HG |
746 | if (f->is_mp) { |
747 | fingers = f->fingers; | |
44b77f38 HG |
748 | /* |
749 | * Bitmap processing uses position packet's coordinate | |
750 | * data, so we need to do decode it first. | |
751 | */ | |
752 | priv->decode_fields(f, priv->multi_data, psmouse); | |
dccf1dd8 HG |
753 | if (alps_process_bitmap(priv, f) == 0) |
754 | fingers = 0; /* Use st data */ | |
01ce661f SF |
755 | } else { |
756 | priv->multi_packet = 0; | |
25bded7c SF |
757 | } |
758 | } | |
759 | ||
01ce661f SF |
760 | /* |
761 | * Bit 6 of byte 0 is not usually set in position packets. The only | |
762 | * times it seems to be set is in situations where the data is | |
763 | * suspect anyway, e.g. a palm resting flat on the touchpad. Given | |
764 | * this combined with the fact that this bit is useful for filtering | |
765 | * out misidentified bitmap packets, we reject anything with this | |
766 | * bit set. | |
767 | */ | |
02d04254 | 768 | if (f->is_mp) |
01ce661f SF |
769 | return; |
770 | ||
02d04254 | 771 | if (!priv->multi_packet && f->first_mp) { |
25bded7c | 772 | priv->multi_packet = 1; |
01ce661f SF |
773 | memcpy(priv->multi_data, packet, sizeof(priv->multi_data)); |
774 | return; | |
775 | } | |
776 | ||
777 | priv->multi_packet = 0; | |
25bded7c | 778 | |
25bded7c SF |
779 | /* |
780 | * Sometimes the hardware sends a single packet with z = 0 | |
781 | * in the middle of a stream. Real releases generate packets | |
782 | * with x, y, and z all zero, so these seem to be flukes. | |
783 | * Ignore them. | |
784 | */ | |
02d04254 | 785 | if (f->st.x && f->st.y && !f->pressure) |
25bded7c SF |
786 | return; |
787 | ||
68c21870 | 788 | alps_report_semi_mt_data(psmouse, fingers); |
25bded7c | 789 | |
34412ba2 PR |
790 | if ((priv->flags & ALPS_DUALPOINT) && |
791 | !(priv->quirks & ALPS_QUIRK_TRACKSTICK_BUTTONS)) { | |
02d04254 HG |
792 | input_report_key(dev2, BTN_LEFT, f->ts_left); |
793 | input_report_key(dev2, BTN_RIGHT, f->ts_right); | |
794 | input_report_key(dev2, BTN_MIDDLE, f->ts_middle); | |
25bded7c SF |
795 | input_sync(dev2); |
796 | } | |
797 | } | |
798 | ||
799 | static void alps_process_packet_v3(struct psmouse *psmouse) | |
800 | { | |
801 | unsigned char *packet = psmouse->packet; | |
802 | ||
803 | /* | |
804 | * v3 protocol packets come in three types, two representing | |
805 | * touchpad data and one representing trackstick data. | |
806 | * Trackstick packets seem to be distinguished by always | |
807 | * having 0x3f in the last byte. This value has never been | |
808 | * observed in the last byte of either of the other types | |
809 | * of packets. | |
810 | */ | |
811 | if (packet[5] == 0x3f) { | |
812 | alps_process_trackstick_packet_v3(psmouse); | |
813 | return; | |
814 | } | |
815 | ||
ee65d4b3 | 816 | alps_process_touchpad_packet_v3_v5(psmouse); |
25bded7c SF |
817 | } |
818 | ||
95f75e91 YT |
819 | static void alps_process_packet_v6(struct psmouse *psmouse) |
820 | { | |
821 | struct alps_data *priv = psmouse->private; | |
822 | unsigned char *packet = psmouse->packet; | |
823 | struct input_dev *dev = psmouse->dev; | |
824 | struct input_dev *dev2 = priv->dev2; | |
825 | int x, y, z, left, right, middle; | |
826 | ||
827 | /* | |
828 | * We can use Byte5 to distinguish if the packet is from Touchpad | |
829 | * or Trackpoint. | |
830 | * Touchpad: 0 - 0x7E | |
831 | * Trackpoint: 0x7F | |
832 | */ | |
833 | if (packet[5] == 0x7F) { | |
834 | /* It should be a DualPoint when received Trackpoint packet */ | |
34412ba2 PR |
835 | if (!(priv->flags & ALPS_DUALPOINT)) { |
836 | psmouse_warn(psmouse, | |
837 | "Rejected trackstick packet from non DualPoint device"); | |
95f75e91 | 838 | return; |
34412ba2 | 839 | } |
95f75e91 YT |
840 | |
841 | /* Trackpoint packet */ | |
842 | x = packet[1] | ((packet[3] & 0x20) << 2); | |
843 | y = packet[2] | ((packet[3] & 0x40) << 1); | |
844 | z = packet[4]; | |
845 | left = packet[3] & 0x01; | |
846 | right = packet[3] & 0x02; | |
847 | middle = packet[3] & 0x04; | |
848 | ||
849 | /* To prevent the cursor jump when finger lifted */ | |
850 | if (x == 0x7F && y == 0x7F && z == 0x7F) | |
851 | x = y = z = 0; | |
852 | ||
853 | /* Divide 4 since trackpoint's speed is too fast */ | |
854 | input_report_rel(dev2, REL_X, (char)x / 4); | |
855 | input_report_rel(dev2, REL_Y, -((char)y / 4)); | |
856 | ||
857 | input_report_key(dev2, BTN_LEFT, left); | |
858 | input_report_key(dev2, BTN_RIGHT, right); | |
859 | input_report_key(dev2, BTN_MIDDLE, middle); | |
860 | ||
861 | input_sync(dev2); | |
862 | return; | |
863 | } | |
864 | ||
865 | /* Touchpad packet */ | |
866 | x = packet[1] | ((packet[3] & 0x78) << 4); | |
867 | y = packet[2] | ((packet[4] & 0x78) << 4); | |
868 | z = packet[5]; | |
869 | left = packet[3] & 0x01; | |
870 | right = packet[3] & 0x02; | |
871 | ||
872 | if (z > 30) | |
873 | input_report_key(dev, BTN_TOUCH, 1); | |
874 | if (z < 25) | |
875 | input_report_key(dev, BTN_TOUCH, 0); | |
876 | ||
877 | if (z > 0) { | |
878 | input_report_abs(dev, ABS_X, x); | |
879 | input_report_abs(dev, ABS_Y, y); | |
880 | } | |
881 | ||
882 | input_report_abs(dev, ABS_PRESSURE, z); | |
883 | input_report_key(dev, BTN_TOOL_FINGER, z > 0); | |
884 | ||
885 | /* v6 touchpad does not have middle button */ | |
886 | input_report_key(dev, BTN_LEFT, left); | |
887 | input_report_key(dev, BTN_RIGHT, right); | |
888 | ||
889 | input_sync(dev); | |
890 | } | |
891 | ||
25bded7c SF |
892 | static void alps_process_packet_v4(struct psmouse *psmouse) |
893 | { | |
3b7e09fa | 894 | struct alps_data *priv = psmouse->private; |
25bded7c | 895 | unsigned char *packet = psmouse->packet; |
02d04254 | 896 | struct alps_fields *f = &priv->f; |
68c21870 | 897 | int offset; |
3b7e09fa GP |
898 | |
899 | /* | |
900 | * v4 has a 6-byte encoding for bitmap data, but this data is | |
901 | * broken up between 3 normal packets. Use priv->multi_packet to | |
902 | * track our position in the bitmap packet. | |
903 | */ | |
904 | if (packet[6] & 0x40) { | |
905 | /* sync, reset position */ | |
906 | priv->multi_packet = 0; | |
907 | } | |
908 | ||
909 | if (WARN_ON_ONCE(priv->multi_packet > 2)) | |
910 | return; | |
911 | ||
912 | offset = 2 * priv->multi_packet; | |
913 | priv->multi_data[offset] = packet[6]; | |
914 | priv->multi_data[offset + 1] = packet[7]; | |
915 | ||
44b77f38 HG |
916 | f->left = !!(packet[4] & 0x01); |
917 | f->right = !!(packet[4] & 0x02); | |
918 | ||
919 | f->st.x = ((packet[1] & 0x7f) << 4) | ((packet[3] & 0x30) >> 2) | | |
920 | ((packet[0] & 0x30) >> 4); | |
921 | f->st.y = ((packet[2] & 0x7f) << 4) | (packet[3] & 0x0f); | |
922 | f->pressure = packet[5] & 0x7f; | |
923 | ||
3b7e09fa GP |
924 | if (++priv->multi_packet > 2) { |
925 | priv->multi_packet = 0; | |
926 | ||
02d04254 | 927 | f->x_map = ((priv->multi_data[2] & 0x1f) << 10) | |
3b7e09fa GP |
928 | ((priv->multi_data[3] & 0x60) << 3) | |
929 | ((priv->multi_data[0] & 0x3f) << 2) | | |
930 | ((priv->multi_data[1] & 0x60) >> 5); | |
02d04254 | 931 | f->y_map = ((priv->multi_data[5] & 0x01) << 10) | |
3b7e09fa GP |
932 | ((priv->multi_data[3] & 0x1f) << 5) | |
933 | (priv->multi_data[1] & 0x1f); | |
934 | ||
02d04254 | 935 | f->fingers = alps_process_bitmap(priv, f); |
3b7e09fa | 936 | } |
25bded7c | 937 | |
68c21870 | 938 | alps_report_semi_mt_data(psmouse, f->fingers); |
25bded7c SF |
939 | } |
940 | ||
3808843c YT |
941 | static bool alps_is_valid_package_v7(struct psmouse *psmouse) |
942 | { | |
943 | switch (psmouse->pktcnt) { | |
944 | case 3: | |
945 | return (psmouse->packet[2] & 0x40) == 0x40; | |
946 | case 4: | |
947 | return (psmouse->packet[3] & 0x48) == 0x48; | |
948 | case 6: | |
949 | return (psmouse->packet[5] & 0x40) == 0x00; | |
950 | } | |
951 | return true; | |
952 | } | |
953 | ||
954 | static unsigned char alps_get_packet_id_v7(char *byte) | |
955 | { | |
956 | unsigned char packet_id; | |
957 | ||
958 | if (byte[4] & 0x40) | |
959 | packet_id = V7_PACKET_ID_TWO; | |
960 | else if (byte[4] & 0x01) | |
961 | packet_id = V7_PACKET_ID_MULTI; | |
962 | else if ((byte[0] & 0x10) && !(byte[4] & 0x43)) | |
963 | packet_id = V7_PACKET_ID_NEW; | |
964 | else if (byte[1] == 0x00 && byte[4] == 0x00) | |
965 | packet_id = V7_PACKET_ID_IDLE; | |
966 | else | |
967 | packet_id = V7_PACKET_ID_UNKNOWN; | |
968 | ||
969 | return packet_id; | |
970 | } | |
971 | ||
972 | static void alps_get_finger_coordinate_v7(struct input_mt_pos *mt, | |
973 | unsigned char *pkt, | |
974 | unsigned char pkt_id) | |
975 | { | |
976 | mt[0].x = ((pkt[2] & 0x80) << 4); | |
977 | mt[0].x |= ((pkt[2] & 0x3F) << 5); | |
978 | mt[0].x |= ((pkt[3] & 0x30) >> 1); | |
979 | mt[0].x |= (pkt[3] & 0x07); | |
980 | mt[0].y = (pkt[1] << 3) | (pkt[0] & 0x07); | |
981 | ||
982 | mt[1].x = ((pkt[3] & 0x80) << 4); | |
983 | mt[1].x |= ((pkt[4] & 0x80) << 3); | |
984 | mt[1].x |= ((pkt[4] & 0x3F) << 4); | |
985 | mt[1].y = ((pkt[5] & 0x80) << 3); | |
986 | mt[1].y |= ((pkt[5] & 0x3F) << 4); | |
987 | ||
988 | switch (pkt_id) { | |
989 | case V7_PACKET_ID_TWO: | |
990 | mt[1].x &= ~0x000F; | |
991 | mt[1].y |= 0x000F; | |
72eceab7 HG |
992 | /* Detect false-postive touches where x & y report max value */ |
993 | if (mt[1].y == 0x7ff && mt[1].x == 0xff0) { | |
994 | mt[1].x = 0; | |
995 | /* y gets set to 0 at the end of this function */ | |
996 | } | |
3808843c YT |
997 | break; |
998 | ||
999 | case V7_PACKET_ID_MULTI: | |
1000 | mt[1].x &= ~0x003F; | |
1001 | mt[1].y &= ~0x0020; | |
1002 | mt[1].y |= ((pkt[4] & 0x02) << 4); | |
1003 | mt[1].y |= 0x001F; | |
1004 | break; | |
1005 | ||
1006 | case V7_PACKET_ID_NEW: | |
1007 | mt[1].x &= ~0x003F; | |
1008 | mt[1].x |= (pkt[0] & 0x20); | |
1009 | mt[1].y |= 0x000F; | |
1010 | break; | |
1011 | } | |
1012 | ||
1013 | mt[0].y = 0x7FF - mt[0].y; | |
1014 | mt[1].y = 0x7FF - mt[1].y; | |
1015 | } | |
1016 | ||
1017 | static int alps_get_mt_count(struct input_mt_pos *mt) | |
1018 | { | |
7091c443 | 1019 | int i, fingers = 0; |
3808843c | 1020 | |
7091c443 HG |
1021 | for (i = 0; i < MAX_TOUCHES; i++) { |
1022 | if (mt[i].x != 0 || mt[i].y != 0) | |
1023 | fingers++; | |
1024 | } | |
3808843c | 1025 | |
7091c443 | 1026 | return fingers; |
3808843c YT |
1027 | } |
1028 | ||
1029 | static int alps_decode_packet_v7(struct alps_fields *f, | |
1030 | unsigned char *p, | |
1031 | struct psmouse *psmouse) | |
1032 | { | |
d27eb793 | 1033 | struct alps_data *priv = psmouse->private; |
3808843c YT |
1034 | unsigned char pkt_id; |
1035 | ||
1036 | pkt_id = alps_get_packet_id_v7(p); | |
1037 | if (pkt_id == V7_PACKET_ID_IDLE) | |
1038 | return 0; | |
1039 | if (pkt_id == V7_PACKET_ID_UNKNOWN) | |
1040 | return -1; | |
8b238115 HG |
1041 | /* |
1042 | * NEW packets are send to indicate a discontinuity in the finger | |
1043 | * coordinate reporting. Specifically a finger may have moved from | |
1044 | * slot 0 to 1 or vice versa. INPUT_MT_TRACK takes care of this for | |
1045 | * us. | |
1046 | * | |
1047 | * NEW packets have 3 problems: | |
1048 | * 1) They do not contain middle / right button info (on non clickpads) | |
1049 | * this can be worked around by preserving the old button state | |
1050 | * 2) They do not contain an accurate fingercount, and they are | |
1051 | * typically send when the number of fingers changes. We cannot use | |
1052 | * the old finger count as that may mismatch with the amount of | |
1053 | * touch coordinates we've available in the NEW packet | |
1054 | * 3) Their x data for the second touch is inaccurate leading to | |
1055 | * a possible jump of the x coordinate by 16 units when the first | |
1056 | * non NEW packet comes in | |
1057 | * Since problems 2 & 3 cannot be worked around, just ignore them. | |
1058 | */ | |
1059 | if (pkt_id == V7_PACKET_ID_NEW) | |
1060 | return 1; | |
3808843c YT |
1061 | |
1062 | alps_get_finger_coordinate_v7(f->mt, p, pkt_id); | |
1063 | ||
3808843c YT |
1064 | if (pkt_id == V7_PACKET_ID_TWO) |
1065 | f->fingers = alps_get_mt_count(f->mt); | |
8b238115 | 1066 | else /* pkt_id == V7_PACKET_ID_MULTI */ |
3808843c YT |
1067 | f->fingers = 3 + (p[5] & 0x03); |
1068 | ||
d27eb793 HG |
1069 | f->left = (p[0] & 0x80) >> 7; |
1070 | if (priv->flags & ALPS_BUTTONPAD) { | |
1071 | if (p[0] & 0x20) | |
1072 | f->fingers++; | |
1073 | if (p[0] & 0x10) | |
1074 | f->fingers++; | |
1075 | } else { | |
1076 | f->right = (p[0] & 0x20) >> 5; | |
1077 | f->middle = (p[0] & 0x10) >> 4; | |
1078 | } | |
1079 | ||
7091c443 HG |
1080 | /* Sometimes a single touch is reported in mt[1] rather then mt[0] */ |
1081 | if (f->fingers == 1 && f->mt[0].x == 0 && f->mt[0].y == 0) { | |
1082 | f->mt[0].x = f->mt[1].x; | |
1083 | f->mt[0].y = f->mt[1].y; | |
1084 | f->mt[1].x = 0; | |
1085 | f->mt[1].y = 0; | |
1086 | } | |
1087 | ||
3808843c YT |
1088 | return 0; |
1089 | } | |
1090 | ||
1091 | static void alps_process_trackstick_packet_v7(struct psmouse *psmouse) | |
1092 | { | |
1093 | struct alps_data *priv = psmouse->private; | |
1094 | unsigned char *packet = psmouse->packet; | |
1095 | struct input_dev *dev2 = priv->dev2; | |
1096 | int x, y, z, left, right, middle; | |
1097 | ||
34412ba2 PR |
1098 | /* It should be a DualPoint when received trackstick packet */ |
1099 | if (!(priv->flags & ALPS_DUALPOINT)) { | |
1100 | psmouse_warn(psmouse, | |
1101 | "Rejected trackstick packet from non DualPoint device"); | |
1102 | return; | |
1103 | } | |
1104 | ||
3808843c YT |
1105 | x = ((packet[2] & 0xbf)) | ((packet[3] & 0x10) << 2); |
1106 | y = (packet[3] & 0x07) | (packet[4] & 0xb8) | | |
1107 | ((packet[3] & 0x20) << 1); | |
1108 | z = (packet[5] & 0x3f) | ((packet[3] & 0x80) >> 1); | |
1109 | ||
1110 | left = (packet[1] & 0x01); | |
1111 | right = (packet[1] & 0x02) >> 1; | |
1112 | middle = (packet[1] & 0x04) >> 2; | |
1113 | ||
088df2cc HG |
1114 | input_report_rel(dev2, REL_X, (char)x); |
1115 | input_report_rel(dev2, REL_Y, -((char)y)); | |
3808843c YT |
1116 | |
1117 | input_report_key(dev2, BTN_LEFT, left); | |
1118 | input_report_key(dev2, BTN_RIGHT, right); | |
1119 | input_report_key(dev2, BTN_MIDDLE, middle); | |
1120 | ||
1121 | input_sync(dev2); | |
1122 | } | |
1123 | ||
1124 | static void alps_process_touchpad_packet_v7(struct psmouse *psmouse) | |
1125 | { | |
1126 | struct alps_data *priv = psmouse->private; | |
1127 | struct input_dev *dev = psmouse->dev; | |
1128 | struct alps_fields *f = &priv->f; | |
1129 | ||
1130 | memset(f, 0, sizeof(*f)); | |
1131 | ||
1132 | if (priv->decode_fields(f, psmouse->packet, psmouse)) | |
1133 | return; | |
1134 | ||
1135 | alps_report_mt_data(psmouse, alps_get_mt_count(f->mt)); | |
1136 | ||
1137 | input_mt_report_finger_count(dev, f->fingers); | |
1138 | ||
1139 | input_report_key(dev, BTN_LEFT, f->left); | |
1140 | input_report_key(dev, BTN_RIGHT, f->right); | |
1141 | input_report_key(dev, BTN_MIDDLE, f->middle); | |
1142 | ||
1143 | input_sync(dev); | |
1144 | } | |
1145 | ||
1146 | static void alps_process_packet_v7(struct psmouse *psmouse) | |
1147 | { | |
1148 | unsigned char *packet = psmouse->packet; | |
1149 | ||
1150 | if (packet[0] == 0x48 && (packet[4] & 0x47) == 0x06) | |
1151 | alps_process_trackstick_packet_v7(psmouse); | |
1152 | else | |
1153 | alps_process_touchpad_packet_v7(psmouse); | |
1154 | } | |
1155 | ||
23fce365 | 1156 | static enum SS4_PACKET_ID alps_get_pkt_id_ss4_v2(unsigned char *byte) |
3db5b9f7 | 1157 | { |
23fce365 | 1158 | enum SS4_PACKET_ID pkt_id = SS4_PACKET_ID_IDLE; |
3db5b9f7 | 1159 | |
4777ac22 BG |
1160 | switch (byte[3] & 0x30) { |
1161 | case 0x00: | |
23fce365 | 1162 | if (SS4_IS_IDLE_V2(byte)) { |
4777ac22 BG |
1163 | pkt_id = SS4_PACKET_ID_IDLE; |
1164 | } else { | |
1165 | pkt_id = SS4_PACKET_ID_ONE; | |
1166 | } | |
1167 | break; | |
1168 | case 0x10: | |
1169 | /* two-finger finger positions */ | |
3db5b9f7 | 1170 | pkt_id = SS4_PACKET_ID_TWO; |
4777ac22 BG |
1171 | break; |
1172 | case 0x20: | |
1173 | /* stick pointer */ | |
1174 | pkt_id = SS4_PACKET_ID_STICK; | |
1175 | break; | |
1176 | case 0x30: | |
1177 | /* third and fourth finger positions */ | |
3db5b9f7 | 1178 | pkt_id = SS4_PACKET_ID_MULTI; |
4777ac22 | 1179 | break; |
3db5b9f7 MO |
1180 | } |
1181 | ||
1182 | return pkt_id; | |
1183 | } | |
1184 | ||
1185 | static int alps_decode_ss4_v2(struct alps_fields *f, | |
1186 | unsigned char *p, struct psmouse *psmouse) | |
1187 | { | |
1188 | struct alps_data *priv = psmouse->private; | |
23fce365 | 1189 | enum SS4_PACKET_ID pkt_id; |
3db5b9f7 MO |
1190 | unsigned int no_data_x, no_data_y; |
1191 | ||
1192 | pkt_id = alps_get_pkt_id_ss4_v2(p); | |
1193 | ||
1194 | /* Current packet is 1Finger coordinate packet */ | |
1195 | switch (pkt_id) { | |
1196 | case SS4_PACKET_ID_ONE: | |
1197 | f->mt[0].x = SS4_1F_X_V2(p); | |
1198 | f->mt[0].y = SS4_1F_Y_V2(p); | |
1199 | f->pressure = ((SS4_1F_Z_V2(p)) * 2) & 0x7f; | |
a8317763 BG |
1200 | /* |
1201 | * When a button is held the device will give us events | |
1202 | * with x, y, and pressure of 0. This causes annoying jumps | |
1203 | * if a touch is released while the button is held. | |
1204 | * Handle this by claiming zero contacts. | |
1205 | */ | |
1206 | f->fingers = f->pressure > 0 ? 1 : 0; | |
3db5b9f7 MO |
1207 | f->first_mp = 0; |
1208 | f->is_mp = 0; | |
1209 | break; | |
1210 | ||
1211 | case SS4_PACKET_ID_TWO: | |
1212 | if (priv->flags & ALPS_BUTTONPAD) { | |
1213 | f->mt[0].x = SS4_BTL_MF_X_V2(p, 0); | |
1214 | f->mt[0].y = SS4_BTL_MF_Y_V2(p, 0); | |
1215 | f->mt[1].x = SS4_BTL_MF_X_V2(p, 1); | |
1216 | f->mt[1].y = SS4_BTL_MF_Y_V2(p, 1); | |
1217 | } else { | |
1218 | f->mt[0].x = SS4_STD_MF_X_V2(p, 0); | |
1219 | f->mt[0].y = SS4_STD_MF_Y_V2(p, 0); | |
1220 | f->mt[1].x = SS4_STD_MF_X_V2(p, 1); | |
1221 | f->mt[1].y = SS4_STD_MF_Y_V2(p, 1); | |
1222 | } | |
1223 | f->pressure = SS4_MF_Z_V2(p, 0) ? 0x30 : 0; | |
1224 | ||
1225 | if (SS4_IS_MF_CONTINUE(p)) { | |
1226 | f->first_mp = 1; | |
1227 | } else { | |
1228 | f->fingers = 2; | |
1229 | f->first_mp = 0; | |
1230 | } | |
1231 | f->is_mp = 0; | |
1232 | ||
1233 | break; | |
1234 | ||
1235 | case SS4_PACKET_ID_MULTI: | |
1236 | if (priv->flags & ALPS_BUTTONPAD) { | |
1237 | f->mt[2].x = SS4_BTL_MF_X_V2(p, 0); | |
1238 | f->mt[2].y = SS4_BTL_MF_Y_V2(p, 0); | |
1239 | f->mt[3].x = SS4_BTL_MF_X_V2(p, 1); | |
1240 | f->mt[3].y = SS4_BTL_MF_Y_V2(p, 1); | |
1241 | no_data_x = SS4_MFPACKET_NO_AX_BL; | |
1242 | no_data_y = SS4_MFPACKET_NO_AY_BL; | |
1243 | } else { | |
1244 | f->mt[2].x = SS4_STD_MF_X_V2(p, 0); | |
1245 | f->mt[2].y = SS4_STD_MF_Y_V2(p, 0); | |
1246 | f->mt[3].x = SS4_STD_MF_X_V2(p, 1); | |
1247 | f->mt[3].y = SS4_STD_MF_Y_V2(p, 1); | |
1248 | no_data_x = SS4_MFPACKET_NO_AX; | |
1249 | no_data_y = SS4_MFPACKET_NO_AY; | |
1250 | } | |
1251 | ||
1252 | f->first_mp = 0; | |
1253 | f->is_mp = 1; | |
1254 | ||
1255 | if (SS4_IS_5F_DETECTED(p)) { | |
1256 | f->fingers = 5; | |
1257 | } else if (f->mt[3].x == no_data_x && | |
1258 | f->mt[3].y == no_data_y) { | |
1259 | f->mt[3].x = 0; | |
1260 | f->mt[3].y = 0; | |
1261 | f->fingers = 3; | |
1262 | } else { | |
1263 | f->fingers = 4; | |
1264 | } | |
1265 | break; | |
1266 | ||
4777ac22 | 1267 | case SS4_PACKET_ID_STICK: |
7229c58c PD |
1268 | /* |
1269 | * x, y, and pressure are decoded in | |
1270 | * alps_process_packet_ss4_v2() | |
1271 | */ | |
1272 | f->first_mp = 0; | |
1273 | f->is_mp = 0; | |
4777ac22 BG |
1274 | break; |
1275 | ||
3db5b9f7 MO |
1276 | case SS4_PACKET_ID_IDLE: |
1277 | default: | |
1278 | memset(f, 0, sizeof(struct alps_fields)); | |
1279 | break; | |
1280 | } | |
1281 | ||
4777ac22 BG |
1282 | /* handle buttons */ |
1283 | if (pkt_id == SS4_PACKET_ID_STICK) { | |
1284 | f->ts_left = !!(SS4_BTN_V2(p) & 0x01); | |
1285 | if (!(priv->flags & ALPS_BUTTONPAD)) { | |
1286 | f->ts_right = !!(SS4_BTN_V2(p) & 0x02); | |
1287 | f->ts_middle = !!(SS4_BTN_V2(p) & 0x04); | |
1288 | } | |
1289 | } else { | |
1290 | f->left = !!(SS4_BTN_V2(p) & 0x01); | |
1291 | if (!(priv->flags & ALPS_BUTTONPAD)) { | |
1292 | f->right = !!(SS4_BTN_V2(p) & 0x02); | |
1293 | f->middle = !!(SS4_BTN_V2(p) & 0x04); | |
1294 | } | |
3db5b9f7 MO |
1295 | } |
1296 | ||
1297 | return 0; | |
1298 | } | |
1299 | ||
1300 | static void alps_process_packet_ss4_v2(struct psmouse *psmouse) | |
1301 | { | |
1302 | struct alps_data *priv = psmouse->private; | |
1303 | unsigned char *packet = psmouse->packet; | |
1304 | struct input_dev *dev = psmouse->dev; | |
4777ac22 | 1305 | struct input_dev *dev2 = priv->dev2; |
3db5b9f7 MO |
1306 | struct alps_fields *f = &priv->f; |
1307 | ||
1308 | memset(f, 0, sizeof(struct alps_fields)); | |
1309 | priv->decode_fields(f, packet, psmouse); | |
1310 | if (priv->multi_packet) { | |
1311 | /* | |
1312 | * Sometimes the first packet will indicate a multi-packet | |
1313 | * sequence, but sometimes the next multi-packet would not | |
1314 | * come. Check for this, and when it happens process the | |
1315 | * position packet as usual. | |
1316 | */ | |
1317 | if (f->is_mp) { | |
1318 | /* Now process the 1st packet */ | |
1319 | priv->decode_fields(f, priv->multi_data, psmouse); | |
1320 | } else { | |
1321 | priv->multi_packet = 0; | |
1322 | } | |
1323 | } | |
1324 | ||
1325 | /* | |
1326 | * "f.is_mp" would always be '0' after merging the 1st and 2nd packet. | |
1327 | * When it is set, it means 2nd packet comes without 1st packet come. | |
1328 | */ | |
1329 | if (f->is_mp) | |
1330 | return; | |
1331 | ||
1332 | /* Save the first packet */ | |
1333 | if (!priv->multi_packet && f->first_mp) { | |
1334 | priv->multi_packet = 1; | |
1335 | memcpy(priv->multi_data, packet, sizeof(priv->multi_data)); | |
1336 | return; | |
1337 | } | |
1338 | ||
1339 | priv->multi_packet = 0; | |
1340 | ||
864db929 PD |
1341 | /* Report trackstick */ |
1342 | if (alps_get_pkt_id_ss4_v2(packet) == SS4_PACKET_ID_STICK) { | |
7229c58c PD |
1343 | if (!(priv->flags & ALPS_DUALPOINT)) { |
1344 | psmouse_warn(psmouse, | |
1345 | "Rejected trackstick packet from non DualPoint device"); | |
1346 | return; | |
864db929 | 1347 | } |
7229c58c | 1348 | |
23fce365 PD |
1349 | input_report_rel(dev2, REL_X, SS4_TS_X_V2(packet)); |
1350 | input_report_rel(dev2, REL_Y, SS4_TS_Y_V2(packet)); | |
1351 | input_report_abs(dev2, ABS_PRESSURE, SS4_TS_Z_V2(packet)); | |
7229c58c PD |
1352 | |
1353 | input_report_key(dev2, BTN_LEFT, f->ts_left); | |
1354 | input_report_key(dev2, BTN_RIGHT, f->ts_right); | |
1355 | input_report_key(dev2, BTN_MIDDLE, f->ts_middle); | |
1356 | ||
1357 | input_sync(dev2); | |
864db929 PD |
1358 | return; |
1359 | } | |
1360 | ||
1361 | /* Report touchpad */ | |
3db5b9f7 MO |
1362 | alps_report_mt_data(psmouse, (f->fingers <= 4) ? f->fingers : 4); |
1363 | ||
1364 | input_mt_report_finger_count(dev, f->fingers); | |
1365 | ||
1366 | input_report_key(dev, BTN_LEFT, f->left); | |
1367 | input_report_key(dev, BTN_RIGHT, f->right); | |
1368 | input_report_key(dev, BTN_MIDDLE, f->middle); | |
1369 | ||
1370 | input_report_abs(dev, ABS_PRESSURE, f->pressure); | |
1371 | input_sync(dev); | |
1372 | } | |
1373 | ||
1374 | static bool alps_is_valid_package_ss4_v2(struct psmouse *psmouse) | |
1375 | { | |
1376 | if (psmouse->pktcnt == 4 && ((psmouse->packet[3] & 0x08) != 0x08)) | |
1377 | return false; | |
1378 | if (psmouse->pktcnt == 6 && ((psmouse->packet[5] & 0x10) != 0x0)) | |
1379 | return false; | |
1380 | return true; | |
1381 | } | |
1382 | ||
04aae283 PR |
1383 | static DEFINE_MUTEX(alps_mutex); |
1384 | ||
1385 | static void alps_register_bare_ps2_mouse(struct work_struct *work) | |
1386 | { | |
1387 | struct alps_data *priv = | |
1388 | container_of(work, struct alps_data, dev3_register_work.work); | |
1389 | struct psmouse *psmouse = priv->psmouse; | |
1390 | struct input_dev *dev3; | |
1391 | int error = 0; | |
1392 | ||
1393 | mutex_lock(&alps_mutex); | |
1394 | ||
1395 | if (priv->dev3) | |
1396 | goto out; | |
1397 | ||
1398 | dev3 = input_allocate_device(); | |
1399 | if (!dev3) { | |
1400 | psmouse_err(psmouse, "failed to allocate secondary device\n"); | |
1401 | error = -ENOMEM; | |
1402 | goto out; | |
1403 | } | |
1404 | ||
1405 | snprintf(priv->phys3, sizeof(priv->phys3), "%s/%s", | |
1406 | psmouse->ps2dev.serio->phys, | |
1407 | (priv->dev2 ? "input2" : "input1")); | |
1408 | dev3->phys = priv->phys3; | |
1409 | ||
1410 | /* | |
1411 | * format of input device name is: "protocol vendor name" | |
1412 | * see function psmouse_switch_protocol() in psmouse-base.c | |
1413 | */ | |
1414 | dev3->name = "PS/2 ALPS Mouse"; | |
1415 | ||
1416 | dev3->id.bustype = BUS_I8042; | |
1417 | dev3->id.vendor = 0x0002; | |
1418 | dev3->id.product = PSMOUSE_PS2; | |
1419 | dev3->id.version = 0x0000; | |
1420 | dev3->dev.parent = &psmouse->ps2dev.serio->dev; | |
1421 | ||
1422 | input_set_capability(dev3, EV_REL, REL_X); | |
1423 | input_set_capability(dev3, EV_REL, REL_Y); | |
1424 | input_set_capability(dev3, EV_KEY, BTN_LEFT); | |
1425 | input_set_capability(dev3, EV_KEY, BTN_RIGHT); | |
1426 | input_set_capability(dev3, EV_KEY, BTN_MIDDLE); | |
1427 | ||
1428 | __set_bit(INPUT_PROP_POINTER, dev3->propbit); | |
1429 | ||
1430 | error = input_register_device(dev3); | |
1431 | if (error) { | |
1432 | psmouse_err(psmouse, | |
1433 | "failed to register secondary device: %d\n", | |
1434 | error); | |
1435 | input_free_device(dev3); | |
1436 | goto out; | |
1437 | } | |
1438 | ||
1439 | priv->dev3 = dev3; | |
1440 | ||
1441 | out: | |
1442 | /* | |
1443 | * Save the error code so that we can detect that we | |
1444 | * already tried to create the device. | |
1445 | */ | |
1446 | if (error) | |
1447 | priv->dev3 = ERR_PTR(error); | |
1448 | ||
1449 | mutex_unlock(&alps_mutex); | |
1450 | } | |
1451 | ||
59c30afb | 1452 | static void alps_report_bare_ps2_packet(struct psmouse *psmouse, |
1d9f2626 SK |
1453 | unsigned char packet[], |
1454 | bool report_buttons) | |
1455 | { | |
59c30afb | 1456 | struct alps_data *priv = psmouse->private; |
6bcca19f | 1457 | struct input_dev *dev, *dev2 = NULL; |
59c30afb | 1458 | |
e3a79212 HG |
1459 | /* Figure out which device to use to report the bare packet */ |
1460 | if (priv->proto_version == ALPS_PROTO_V2 && | |
1461 | (priv->flags & ALPS_DUALPOINT)) { | |
1462 | /* On V2 devices the DualPoint Stick reports bare packets */ | |
1463 | dev = priv->dev2; | |
6bcca19f | 1464 | dev2 = psmouse->dev; |
e3a79212 | 1465 | } else if (unlikely(IS_ERR_OR_NULL(priv->dev3))) { |
59c30afb HG |
1466 | /* Register dev3 mouse if we received PS/2 packet first time */ |
1467 | if (!IS_ERR(priv->dev3)) | |
1468 | psmouse_queue_work(psmouse, &priv->dev3_register_work, | |
1469 | 0); | |
1470 | return; | |
1471 | } else { | |
1472 | dev = priv->dev3; | |
1473 | } | |
1474 | ||
1d9f2626 | 1475 | if (report_buttons) |
6bcca19f | 1476 | alps_report_buttons(dev, dev2, |
1d9f2626 SK |
1477 | packet[0] & 1, packet[0] & 2, packet[0] & 4); |
1478 | ||
04aae283 | 1479 | input_report_rel(dev, REL_X, |
1d9f2626 | 1480 | packet[1] ? packet[1] - ((packet[0] << 4) & 0x100) : 0); |
04aae283 | 1481 | input_report_rel(dev, REL_Y, |
1d9f2626 SK |
1482 | packet[2] ? ((packet[0] << 3) & 0x100) - packet[2] : 0); |
1483 | ||
04aae283 | 1484 | input_sync(dev); |
1d9f2626 SK |
1485 | } |
1486 | ||
1487 | static psmouse_ret_t alps_handle_interleaved_ps2(struct psmouse *psmouse) | |
1488 | { | |
1489 | struct alps_data *priv = psmouse->private; | |
1490 | ||
1491 | if (psmouse->pktcnt < 6) | |
1492 | return PSMOUSE_GOOD_DATA; | |
1493 | ||
1494 | if (psmouse->pktcnt == 6) { | |
1495 | /* | |
1496 | * Start a timer to flush the packet if it ends up last | |
1497 | * 6-byte packet in the stream. Timer needs to fire | |
1498 | * psmouse core times out itself. 20 ms should be enough | |
1499 | * to decide if we are getting more data or not. | |
1500 | */ | |
1501 | mod_timer(&priv->timer, jiffies + msecs_to_jiffies(20)); | |
1502 | return PSMOUSE_GOOD_DATA; | |
1503 | } | |
1504 | ||
1505 | del_timer(&priv->timer); | |
1506 | ||
1507 | if (psmouse->packet[6] & 0x80) { | |
1508 | ||
1509 | /* | |
1510 | * Highest bit is set - that means we either had | |
1511 | * complete ALPS packet and this is start of the | |
1512 | * next packet or we got garbage. | |
1513 | */ | |
1514 | ||
1515 | if (((psmouse->packet[3] | | |
1516 | psmouse->packet[4] | | |
1517 | psmouse->packet[5]) & 0x80) || | |
99df65e7 | 1518 | (!alps_is_valid_first_byte(priv, psmouse->packet[6]))) { |
b5d21704 | 1519 | psmouse_dbg(psmouse, |
3b112923 AS |
1520 | "refusing packet %4ph (suspected interleaved ps/2)\n", |
1521 | psmouse->packet + 3); | |
1d9f2626 SK |
1522 | return PSMOUSE_BAD_DATA; |
1523 | } | |
1524 | ||
24af5cb9 | 1525 | priv->process_packet(psmouse); |
1d9f2626 SK |
1526 | |
1527 | /* Continue with the next packet */ | |
1528 | psmouse->packet[0] = psmouse->packet[6]; | |
1529 | psmouse->pktcnt = 1; | |
1530 | ||
1531 | } else { | |
1532 | ||
1533 | /* | |
1534 | * High bit is 0 - that means that we indeed got a PS/2 | |
1535 | * packet in the middle of ALPS packet. | |
1536 | * | |
1537 | * There is also possibility that we got 6-byte ALPS | |
1538 | * packet followed by 3-byte packet from trackpoint. We | |
1539 | * can not distinguish between these 2 scenarios but | |
b5d21704 | 1540 | * because the latter is unlikely to happen in course of |
1d9f2626 SK |
1541 | * normal operation (user would need to press all |
1542 | * buttons on the pad and start moving trackpoint | |
1543 | * without touching the pad surface) we assume former. | |
1544 | * Even if we are wrong the wost thing that would happen | |
1545 | * the cursor would jump but we should not get protocol | |
b5d21704 | 1546 | * de-synchronization. |
1d9f2626 SK |
1547 | */ |
1548 | ||
59c30afb HG |
1549 | alps_report_bare_ps2_packet(psmouse, &psmouse->packet[3], |
1550 | false); | |
1d9f2626 SK |
1551 | |
1552 | /* | |
1553 | * Continue with the standard ALPS protocol handling, | |
1554 | * but make sure we won't process it as an interleaved | |
1555 | * packet again, which may happen if all buttons are | |
1556 | * pressed. To avoid this let's reset the 4th bit which | |
1557 | * is normally 1. | |
1558 | */ | |
1559 | psmouse->packet[3] = psmouse->packet[6] & 0xf7; | |
1560 | psmouse->pktcnt = 4; | |
1561 | } | |
1562 | ||
1563 | return PSMOUSE_GOOD_DATA; | |
1564 | } | |
1565 | ||
1566 | static void alps_flush_packet(unsigned long data) | |
1567 | { | |
1568 | struct psmouse *psmouse = (struct psmouse *)data; | |
24af5cb9 | 1569 | struct alps_data *priv = psmouse->private; |
1d9f2626 SK |
1570 | |
1571 | serio_pause_rx(psmouse->ps2dev.serio); | |
1572 | ||
b46615fe | 1573 | if (psmouse->pktcnt == psmouse->pktsize) { |
1d9f2626 SK |
1574 | |
1575 | /* | |
1576 | * We did not any more data in reasonable amount of time. | |
1577 | * Validate the last 3 bytes and process as a standard | |
1578 | * ALPS packet. | |
1579 | */ | |
1580 | if ((psmouse->packet[3] | | |
1581 | psmouse->packet[4] | | |
1582 | psmouse->packet[5]) & 0x80) { | |
b5d21704 | 1583 | psmouse_dbg(psmouse, |
3b112923 AS |
1584 | "refusing packet %3ph (suspected interleaved ps/2)\n", |
1585 | psmouse->packet + 3); | |
1d9f2626 | 1586 | } else { |
24af5cb9 | 1587 | priv->process_packet(psmouse); |
1d9f2626 SK |
1588 | } |
1589 | psmouse->pktcnt = 0; | |
1590 | } | |
1591 | ||
1592 | serio_continue_rx(psmouse->ps2dev.serio); | |
1593 | } | |
1594 | ||
7d12e780 | 1595 | static psmouse_ret_t alps_process_byte(struct psmouse *psmouse) |
1da177e4 LT |
1596 | { |
1597 | struct alps_data *priv = psmouse->private; | |
1598 | ||
4ab8f7f3 PR |
1599 | /* |
1600 | * Check if we are dealing with a bare PS/2 packet, presumably from | |
1601 | * a device connected to the external PS/2 port. Because bare PS/2 | |
1602 | * protocol does not have enough constant bits to self-synchronize | |
1603 | * properly we only do this if the device is fully synchronized. | |
3db5b9f7 | 1604 | * Can not distinguish V8's first byte from PS/2 packet's |
4ab8f7f3 | 1605 | */ |
3db5b9f7 MO |
1606 | if (priv->proto_version != ALPS_PROTO_V8 && |
1607 | !psmouse->out_of_sync_cnt && | |
1608 | (psmouse->packet[0] & 0xc8) == 0x08) { | |
1609 | ||
1da177e4 | 1610 | if (psmouse->pktcnt == 3) { |
59c30afb HG |
1611 | alps_report_bare_ps2_packet(psmouse, psmouse->packet, |
1612 | true); | |
1da177e4 LT |
1613 | return PSMOUSE_FULL_PACKET; |
1614 | } | |
1615 | return PSMOUSE_GOOD_DATA; | |
1616 | } | |
1617 | ||
1d9f2626 SK |
1618 | /* Check for PS/2 packet stuffed in the middle of ALPS packet. */ |
1619 | ||
99df65e7 | 1620 | if ((priv->flags & ALPS_PS2_INTERLEAVED) && |
1d9f2626 SK |
1621 | psmouse->pktcnt >= 4 && (psmouse->packet[3] & 0x0f) == 0x0f) { |
1622 | return alps_handle_interleaved_ps2(psmouse); | |
1623 | } | |
1624 | ||
99df65e7 | 1625 | if (!alps_is_valid_first_byte(priv, psmouse->packet[0])) { |
b5d21704 DT |
1626 | psmouse_dbg(psmouse, |
1627 | "refusing packet[0] = %x (mask0 = %x, byte0 = %x)\n", | |
99df65e7 | 1628 | psmouse->packet[0], priv->mask0, priv->byte0); |
1da177e4 | 1629 | return PSMOUSE_BAD_DATA; |
1d9f2626 | 1630 | } |
1da177e4 | 1631 | |
b46615fe | 1632 | /* Bytes 2 - pktsize should have 0 in the highest bit */ |
a7ef82ae | 1633 | if (priv->proto_version < ALPS_PROTO_V5 && |
75af9e56 | 1634 | psmouse->pktcnt >= 2 && psmouse->pktcnt <= psmouse->pktsize && |
1d9f2626 | 1635 | (psmouse->packet[psmouse->pktcnt - 1] & 0x80)) { |
b5d21704 DT |
1636 | psmouse_dbg(psmouse, "refusing packet[%i] = %x\n", |
1637 | psmouse->pktcnt - 1, | |
1638 | psmouse->packet[psmouse->pktcnt - 1]); | |
a7ef82ae | 1639 | |
fb2dd7a6 | 1640 | if (priv->proto_version == ALPS_PROTO_V3_RUSHMORE && |
a7ef82ae PR |
1641 | psmouse->pktcnt == psmouse->pktsize) { |
1642 | /* | |
1643 | * Some Dell boxes, such as Latitude E6440 or E7440 | |
1644 | * with closed lid, quite often smash last byte of | |
1645 | * otherwise valid packet with 0xff. Given that the | |
1646 | * next packet is very likely to be valid let's | |
1647 | * report PSMOUSE_FULL_PACKET but not process data, | |
1648 | * rather than reporting PSMOUSE_BAD_DATA and | |
1649 | * filling the logs. | |
1650 | */ | |
1651 | return PSMOUSE_FULL_PACKET; | |
1652 | } | |
1653 | ||
1da177e4 | 1654 | return PSMOUSE_BAD_DATA; |
1d9f2626 | 1655 | } |
1da177e4 | 1656 | |
3db5b9f7 MO |
1657 | if ((priv->proto_version == ALPS_PROTO_V7 && |
1658 | !alps_is_valid_package_v7(psmouse)) || | |
1659 | (priv->proto_version == ALPS_PROTO_V8 && | |
1660 | !alps_is_valid_package_ss4_v2(psmouse))) { | |
3808843c YT |
1661 | psmouse_dbg(psmouse, "refusing packet[%i] = %x\n", |
1662 | psmouse->pktcnt - 1, | |
1663 | psmouse->packet[psmouse->pktcnt - 1]); | |
1664 | return PSMOUSE_BAD_DATA; | |
1665 | } | |
1666 | ||
b46615fe | 1667 | if (psmouse->pktcnt == psmouse->pktsize) { |
24af5cb9 | 1668 | priv->process_packet(psmouse); |
1da177e4 LT |
1669 | return PSMOUSE_FULL_PACKET; |
1670 | } | |
1671 | ||
1672 | return PSMOUSE_GOOD_DATA; | |
1673 | } | |
1674 | ||
25bded7c SF |
1675 | static int alps_command_mode_send_nibble(struct psmouse *psmouse, int nibble) |
1676 | { | |
1677 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1678 | struct alps_data *priv = psmouse->private; | |
1679 | int command; | |
1680 | unsigned char *param; | |
1681 | unsigned char dummy[4]; | |
1682 | ||
1683 | BUG_ON(nibble > 0xf); | |
1684 | ||
1685 | command = priv->nibble_commands[nibble].command; | |
1686 | param = (command & 0x0f00) ? | |
1687 | dummy : (unsigned char *)&priv->nibble_commands[nibble].data; | |
1688 | ||
1689 | if (ps2_command(ps2dev, param, command)) | |
1690 | return -1; | |
1691 | ||
1692 | return 0; | |
1693 | } | |
1694 | ||
1695 | static int alps_command_mode_set_addr(struct psmouse *psmouse, int addr) | |
1696 | { | |
1697 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1698 | struct alps_data *priv = psmouse->private; | |
1699 | int i, nibble; | |
1700 | ||
1701 | if (ps2_command(ps2dev, NULL, priv->addr_command)) | |
1702 | return -1; | |
1703 | ||
1704 | for (i = 12; i >= 0; i -= 4) { | |
1705 | nibble = (addr >> i) & 0xf; | |
1706 | if (alps_command_mode_send_nibble(psmouse, nibble)) | |
1707 | return -1; | |
1708 | } | |
1709 | ||
1710 | return 0; | |
1711 | } | |
1712 | ||
1713 | static int __alps_command_mode_read_reg(struct psmouse *psmouse, int addr) | |
1714 | { | |
1715 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1716 | unsigned char param[4]; | |
1717 | ||
1718 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) | |
1719 | return -1; | |
1720 | ||
1721 | /* | |
1722 | * The address being read is returned in the first two bytes | |
1723 | * of the result. Check that this address matches the expected | |
1724 | * address. | |
1725 | */ | |
1726 | if (addr != ((param[0] << 8) | param[1])) | |
1727 | return -1; | |
1728 | ||
1729 | return param[2]; | |
1730 | } | |
1731 | ||
1732 | static int alps_command_mode_read_reg(struct psmouse *psmouse, int addr) | |
1733 | { | |
1734 | if (alps_command_mode_set_addr(psmouse, addr)) | |
1735 | return -1; | |
1736 | return __alps_command_mode_read_reg(psmouse, addr); | |
1737 | } | |
1738 | ||
1739 | static int __alps_command_mode_write_reg(struct psmouse *psmouse, u8 value) | |
1740 | { | |
1741 | if (alps_command_mode_send_nibble(psmouse, (value >> 4) & 0xf)) | |
1742 | return -1; | |
1743 | if (alps_command_mode_send_nibble(psmouse, value & 0xf)) | |
1744 | return -1; | |
1745 | return 0; | |
1746 | } | |
1747 | ||
1748 | static int alps_command_mode_write_reg(struct psmouse *psmouse, int addr, | |
1749 | u8 value) | |
1750 | { | |
1751 | if (alps_command_mode_set_addr(psmouse, addr)) | |
1752 | return -1; | |
1753 | return __alps_command_mode_write_reg(psmouse, value); | |
1754 | } | |
1755 | ||
24ba9707 KC |
1756 | static int alps_rpt_cmd(struct psmouse *psmouse, int init_command, |
1757 | int repeated_command, unsigned char *param) | |
1758 | { | |
1759 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1760 | ||
1761 | param[0] = 0; | |
1762 | if (init_command && ps2_command(ps2dev, param, init_command)) | |
1763 | return -EIO; | |
1764 | ||
1765 | if (ps2_command(ps2dev, NULL, repeated_command) || | |
1766 | ps2_command(ps2dev, NULL, repeated_command) || | |
1767 | ps2_command(ps2dev, NULL, repeated_command)) | |
1768 | return -EIO; | |
1769 | ||
1770 | param[0] = param[1] = param[2] = 0xff; | |
1771 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) | |
1772 | return -EIO; | |
1773 | ||
39fbe585 DT |
1774 | psmouse_dbg(psmouse, "%2.2X report: %3ph\n", |
1775 | repeated_command, param); | |
24ba9707 KC |
1776 | return 0; |
1777 | } | |
1778 | ||
3808843c YT |
1779 | static bool alps_check_valid_firmware_id(unsigned char id[]) |
1780 | { | |
1781 | if (id[0] == 0x73) | |
1782 | return true; | |
1783 | ||
1784 | if (id[0] == 0x88 && | |
1785 | (id[1] == 0x07 || | |
1786 | id[1] == 0x08 || | |
1787 | (id[1] & 0xf0) == 0xb0 || | |
1788 | (id[1] & 0xf0) == 0xc0)) { | |
1789 | return true; | |
1790 | } | |
1791 | ||
1792 | return false; | |
1793 | } | |
1794 | ||
d18e53fc | 1795 | static int alps_enter_command_mode(struct psmouse *psmouse) |
25bded7c SF |
1796 | { |
1797 | unsigned char param[4]; | |
25bded7c | 1798 | |
24ba9707 | 1799 | if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_RESET_WRAP, param)) { |
25bded7c SF |
1800 | psmouse_err(psmouse, "failed to enter command mode\n"); |
1801 | return -1; | |
1802 | } | |
1803 | ||
3808843c | 1804 | if (!alps_check_valid_firmware_id(param)) { |
25bded7c | 1805 | psmouse_dbg(psmouse, |
24ba9707 | 1806 | "unknown response while entering command mode\n"); |
25bded7c SF |
1807 | return -1; |
1808 | } | |
25bded7c SF |
1809 | return 0; |
1810 | } | |
1811 | ||
1812 | static inline int alps_exit_command_mode(struct psmouse *psmouse) | |
1813 | { | |
1814 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1815 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM)) | |
1816 | return -1; | |
1817 | return 0; | |
1818 | } | |
1819 | ||
1da177e4 LT |
1820 | /* |
1821 | * For DualPoint devices select the device that should respond to | |
1822 | * subsequent commands. It looks like glidepad is behind stickpointer, | |
1823 | * I'd thought it would be other way around... | |
1824 | */ | |
25bded7c | 1825 | static int alps_passthrough_mode_v2(struct psmouse *psmouse, bool enable) |
1da177e4 LT |
1826 | { |
1827 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1da177e4 LT |
1828 | int cmd = enable ? PSMOUSE_CMD_SETSCALE21 : PSMOUSE_CMD_SETSCALE11; |
1829 | ||
1830 | if (ps2_command(ps2dev, NULL, cmd) || | |
1831 | ps2_command(ps2dev, NULL, cmd) || | |
1832 | ps2_command(ps2dev, NULL, cmd) || | |
1833 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE)) | |
1834 | return -1; | |
1835 | ||
1836 | /* we may get 3 more bytes, just ignore them */ | |
c611763d | 1837 | ps2_drain(ps2dev, 3, 100); |
1da177e4 LT |
1838 | |
1839 | return 0; | |
1840 | } | |
1841 | ||
25bded7c | 1842 | static int alps_absolute_mode_v1_v2(struct psmouse *psmouse) |
1da177e4 LT |
1843 | { |
1844 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1845 | ||
1846 | /* Try ALPS magic knock - 4 disable before enable */ | |
1847 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1848 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1849 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1850 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1851 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) | |
1852 | return -1; | |
1853 | ||
1854 | /* | |
1855 | * Switch mouse to poll (remote) mode so motion data will not | |
1856 | * get in our way | |
1857 | */ | |
ad56814f | 1858 | return ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL); |
1da177e4 LT |
1859 | } |
1860 | ||
95f75e91 YT |
1861 | static int alps_monitor_mode_send_word(struct psmouse *psmouse, u16 word) |
1862 | { | |
1863 | int i, nibble; | |
1864 | ||
1865 | /* | |
1866 | * b0-b11 are valid bits, send sequence is inverse. | |
1867 | * e.g. when word = 0x0123, nibble send sequence is 3, 2, 1 | |
1868 | */ | |
1869 | for (i = 0; i <= 8; i += 4) { | |
1870 | nibble = (word >> i) & 0xf; | |
1871 | if (alps_command_mode_send_nibble(psmouse, nibble)) | |
1872 | return -1; | |
1873 | } | |
1874 | ||
1875 | return 0; | |
1876 | } | |
1877 | ||
1878 | static int alps_monitor_mode_write_reg(struct psmouse *psmouse, | |
1879 | u16 addr, u16 value) | |
1880 | { | |
1881 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1882 | ||
1883 | /* 0x0A0 is the command to write the word */ | |
1884 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE) || | |
1885 | alps_monitor_mode_send_word(psmouse, 0x0A0) || | |
1886 | alps_monitor_mode_send_word(psmouse, addr) || | |
1887 | alps_monitor_mode_send_word(psmouse, value) || | |
1888 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE)) | |
1889 | return -1; | |
1890 | ||
1891 | return 0; | |
1892 | } | |
1893 | ||
1894 | static int alps_monitor_mode(struct psmouse *psmouse, bool enable) | |
1895 | { | |
1896 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1897 | ||
1898 | if (enable) { | |
1899 | /* EC E9 F5 F5 E7 E6 E7 E9 to enter monitor mode */ | |
1900 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP) || | |
1901 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_GETINFO) || | |
1902 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1903 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1904 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) || | |
1905 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || | |
1906 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) || | |
1907 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_GETINFO)) | |
1908 | return -1; | |
1909 | } else { | |
1910 | /* EC to exit monitor mode */ | |
1911 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP)) | |
1912 | return -1; | |
1913 | } | |
1914 | ||
1915 | return 0; | |
1916 | } | |
1917 | ||
1918 | static int alps_absolute_mode_v6(struct psmouse *psmouse) | |
1919 | { | |
1920 | u16 reg_val = 0x181; | |
1921 | int ret = -1; | |
1922 | ||
1923 | /* enter monitor mode, to write the register */ | |
1924 | if (alps_monitor_mode(psmouse, true)) | |
1925 | return -1; | |
1926 | ||
1927 | ret = alps_monitor_mode_write_reg(psmouse, 0x000, reg_val); | |
1928 | ||
1929 | if (alps_monitor_mode(psmouse, false)) | |
1930 | ret = -1; | |
1931 | ||
1932 | return ret; | |
1933 | } | |
1934 | ||
1da177e4 LT |
1935 | static int alps_get_status(struct psmouse *psmouse, char *param) |
1936 | { | |
1da177e4 | 1937 | /* Get status: 0xF5 0xF5 0xF5 0xE9 */ |
24ba9707 | 1938 | if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_DISABLE, param)) |
1da177e4 LT |
1939 | return -1; |
1940 | ||
1da177e4 LT |
1941 | return 0; |
1942 | } | |
1943 | ||
1944 | /* | |
1945 | * Turn touchpad tapping on or off. The sequences are: | |
1946 | * 0xE9 0xF5 0xF5 0xF3 0x0A to enable, | |
1947 | * 0xE9 0xF5 0xF5 0xE8 0x00 to disable. | |
1948 | * My guess that 0xE9 (GetInfo) is here as a sync point. | |
1949 | * For models that also have stickpointer (DualPoints) its tapping | |
1950 | * is controlled separately (0xE6 0xE6 0xE6 0xF3 0x14|0x0A) but | |
1951 | * we don't fiddle with it. | |
1952 | */ | |
1953 | static int alps_tap_mode(struct psmouse *psmouse, int enable) | |
1954 | { | |
1955 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
1956 | int cmd = enable ? PSMOUSE_CMD_SETRATE : PSMOUSE_CMD_SETRES; | |
1957 | unsigned char tap_arg = enable ? 0x0A : 0x00; | |
1958 | unsigned char param[4]; | |
1959 | ||
1960 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO) || | |
1961 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1962 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) || | |
1963 | ps2_command(ps2dev, &tap_arg, cmd)) | |
1964 | return -1; | |
1965 | ||
1966 | if (alps_get_status(psmouse, param)) | |
1967 | return -1; | |
1968 | ||
1969 | return 0; | |
1970 | } | |
1971 | ||
f0d5c6f4 DT |
1972 | /* |
1973 | * alps_poll() - poll the touchpad for current motion packet. | |
1974 | * Used in resync. | |
1975 | */ | |
1976 | static int alps_poll(struct psmouse *psmouse) | |
1977 | { | |
1978 | struct alps_data *priv = psmouse->private; | |
b46615fe | 1979 | unsigned char buf[sizeof(psmouse->packet)]; |
b7802c5c | 1980 | bool poll_failed; |
f0d5c6f4 | 1981 | |
99df65e7 | 1982 | if (priv->flags & ALPS_PASS) |
25bded7c | 1983 | alps_passthrough_mode_v2(psmouse, true); |
f0d5c6f4 DT |
1984 | |
1985 | poll_failed = ps2_command(&psmouse->ps2dev, buf, | |
1986 | PSMOUSE_CMD_POLL | (psmouse->pktsize << 8)) < 0; | |
1987 | ||
99df65e7 | 1988 | if (priv->flags & ALPS_PASS) |
25bded7c | 1989 | alps_passthrough_mode_v2(psmouse, false); |
f0d5c6f4 | 1990 | |
99df65e7 | 1991 | if (poll_failed || (buf[0] & priv->mask0) != priv->byte0) |
f0d5c6f4 DT |
1992 | return -1; |
1993 | ||
1994 | if ((psmouse->badbyte & 0xc8) == 0x08) { | |
1995 | /* | |
1996 | * Poll the track stick ... | |
1997 | */ | |
1998 | if (ps2_command(&psmouse->ps2dev, buf, PSMOUSE_CMD_POLL | (3 << 8))) | |
1999 | return -1; | |
2000 | } | |
2001 | ||
2002 | memcpy(psmouse->packet, buf, sizeof(buf)); | |
2003 | return 0; | |
2004 | } | |
2005 | ||
25bded7c | 2006 | static int alps_hw_init_v1_v2(struct psmouse *psmouse) |
1da177e4 LT |
2007 | { |
2008 | struct alps_data *priv = psmouse->private; | |
f3a5c73d | 2009 | |
99df65e7 | 2010 | if ((priv->flags & ALPS_PASS) && |
25bded7c | 2011 | alps_passthrough_mode_v2(psmouse, true)) { |
1da177e4 | 2012 | return -1; |
b7802c5c | 2013 | } |
1da177e4 | 2014 | |
b7802c5c | 2015 | if (alps_tap_mode(psmouse, true)) { |
b5d21704 | 2016 | psmouse_warn(psmouse, "Failed to enable hardware tapping\n"); |
1da177e4 | 2017 | return -1; |
963f626d | 2018 | } |
1da177e4 | 2019 | |
25bded7c | 2020 | if (alps_absolute_mode_v1_v2(psmouse)) { |
b5d21704 | 2021 | psmouse_err(psmouse, "Failed to enable absolute mode\n"); |
1da177e4 LT |
2022 | return -1; |
2023 | } | |
2024 | ||
99df65e7 | 2025 | if ((priv->flags & ALPS_PASS) && |
25bded7c | 2026 | alps_passthrough_mode_v2(psmouse, false)) { |
1da177e4 | 2027 | return -1; |
b7802c5c | 2028 | } |
1da177e4 | 2029 | |
1e0c5b12 DT |
2030 | /* ALPS needs stream mode, otherwise it won't report any data */ |
2031 | if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSTREAM)) { | |
b5d21704 | 2032 | psmouse_err(psmouse, "Failed to enable stream mode\n"); |
1e0c5b12 DT |
2033 | return -1; |
2034 | } | |
2035 | ||
2036 | return 0; | |
2037 | } | |
2038 | ||
95f75e91 YT |
2039 | static int alps_hw_init_v6(struct psmouse *psmouse) |
2040 | { | |
2041 | unsigned char param[2] = {0xC8, 0x14}; | |
2042 | ||
2043 | /* Enter passthrough mode to let trackpoint enter 6byte raw mode */ | |
2044 | if (alps_passthrough_mode_v2(psmouse, true)) | |
2045 | return -1; | |
2046 | ||
2047 | if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || | |
2048 | ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || | |
2049 | ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || | |
2050 | ps2_command(&psmouse->ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || | |
2051 | ps2_command(&psmouse->ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE)) | |
2052 | return -1; | |
2053 | ||
2054 | if (alps_passthrough_mode_v2(psmouse, false)) | |
2055 | return -1; | |
2056 | ||
2057 | if (alps_absolute_mode_v6(psmouse)) { | |
2058 | psmouse_err(psmouse, "Failed to enable absolute mode\n"); | |
2059 | return -1; | |
2060 | } | |
2061 | ||
2062 | return 0; | |
2063 | } | |
2064 | ||
25bded7c | 2065 | /* |
cd401204 | 2066 | * Enable or disable passthrough mode to the trackstick. |
25bded7c | 2067 | */ |
cd401204 KC |
2068 | static int alps_passthrough_mode_v3(struct psmouse *psmouse, |
2069 | int reg_base, bool enable) | |
25bded7c | 2070 | { |
cd401204 | 2071 | int reg_val, ret = -1; |
25bded7c | 2072 | |
d18e53fc | 2073 | if (alps_enter_command_mode(psmouse)) |
25bded7c SF |
2074 | return -1; |
2075 | ||
cd401204 KC |
2076 | reg_val = alps_command_mode_read_reg(psmouse, reg_base + 0x0008); |
2077 | if (reg_val == -1) | |
2078 | goto error; | |
2079 | ||
25bded7c SF |
2080 | if (enable) |
2081 | reg_val |= 0x01; | |
2082 | else | |
2083 | reg_val &= ~0x01; | |
2084 | ||
cd401204 | 2085 | ret = __alps_command_mode_write_reg(psmouse, reg_val); |
25bded7c | 2086 | |
cd401204 KC |
2087 | error: |
2088 | if (alps_exit_command_mode(psmouse)) | |
2089 | ret = -1; | |
2090 | return ret; | |
25bded7c SF |
2091 | } |
2092 | ||
2093 | /* Must be in command mode when calling this function */ | |
2094 | static int alps_absolute_mode_v3(struct psmouse *psmouse) | |
2095 | { | |
2096 | int reg_val; | |
2097 | ||
2098 | reg_val = alps_command_mode_read_reg(psmouse, 0x0004); | |
2099 | if (reg_val == -1) | |
2100 | return -1; | |
2101 | ||
2102 | reg_val |= 0x06; | |
2103 | if (__alps_command_mode_write_reg(psmouse, reg_val)) | |
2104 | return -1; | |
2105 | ||
2106 | return 0; | |
2107 | } | |
2108 | ||
dae928ec | 2109 | static int alps_probe_trackstick_v3_v7(struct psmouse *psmouse, int reg_base) |
25bded7c | 2110 | { |
cd401204 | 2111 | int ret = -EIO, reg_val; |
25bded7c | 2112 | |
d18e53fc | 2113 | if (alps_enter_command_mode(psmouse)) |
25bded7c SF |
2114 | goto error; |
2115 | ||
cd401204 | 2116 | reg_val = alps_command_mode_read_reg(psmouse, reg_base + 0x08); |
25bded7c SF |
2117 | if (reg_val == -1) |
2118 | goto error; | |
cd401204 KC |
2119 | |
2120 | /* bit 7: trackstick is present */ | |
2121 | ret = reg_val & 0x80 ? 0 : -ENODEV; | |
2122 | ||
2123 | error: | |
2124 | alps_exit_command_mode(psmouse); | |
2125 | return ret; | |
2126 | } | |
2127 | ||
2128 | static int alps_setup_trackstick_v3(struct psmouse *psmouse, int reg_base) | |
2129 | { | |
2130 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
2131 | int ret = 0; | |
2132 | unsigned char param[4]; | |
2133 | ||
2134 | if (alps_passthrough_mode_v3(psmouse, reg_base, true)) | |
2135 | return -EIO; | |
2136 | ||
2137 | /* | |
2138 | * E7 report for the trackstick | |
2139 | * | |
2140 | * There have been reports of failures to seem to trace back | |
2141 | * to the above trackstick check failing. When these occur | |
2142 | * this E7 report fails, so when that happens we continue | |
2143 | * with the assumption that there isn't a trackstick after | |
2144 | * all. | |
2145 | */ | |
2146 | if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_SETSCALE21, param)) { | |
a09221e8 | 2147 | psmouse_warn(psmouse, "Failed to initialize trackstick (E7 report failed)\n"); |
cd401204 KC |
2148 | ret = -ENODEV; |
2149 | } else { | |
39fbe585 | 2150 | psmouse_dbg(psmouse, "trackstick E7 report: %3ph\n", param); |
25bded7c SF |
2151 | |
2152 | /* | |
cd401204 KC |
2153 | * Not sure what this does, but it is absolutely |
2154 | * essential. Without it, the touchpad does not | |
2155 | * work at all and the trackstick just emits normal | |
2156 | * PS/2 packets. | |
25bded7c | 2157 | */ |
cd401204 KC |
2158 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || |
2159 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || | |
2160 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) || | |
2161 | alps_command_mode_send_nibble(psmouse, 0x9) || | |
2162 | alps_command_mode_send_nibble(psmouse, 0x4)) { | |
2163 | psmouse_err(psmouse, | |
2164 | "Error sending magic E6 sequence\n"); | |
2165 | ret = -EIO; | |
2166 | goto error; | |
25bded7c SF |
2167 | } |
2168 | ||
cd401204 KC |
2169 | /* |
2170 | * This ensures the trackstick packets are in the format | |
2171 | * supported by this driver. If bit 1 isn't set the packet | |
2172 | * format is different. | |
2173 | */ | |
d18e53fc | 2174 | if (alps_enter_command_mode(psmouse) || |
cd401204 KC |
2175 | alps_command_mode_write_reg(psmouse, |
2176 | reg_base + 0x08, 0x82) || | |
2177 | alps_exit_command_mode(psmouse)) | |
2178 | ret = -EIO; | |
25bded7c SF |
2179 | } |
2180 | ||
cd401204 KC |
2181 | error: |
2182 | if (alps_passthrough_mode_v3(psmouse, reg_base, false)) | |
2183 | ret = -EIO; | |
2184 | ||
2185 | return ret; | |
2186 | } | |
2187 | ||
2188 | static int alps_hw_init_v3(struct psmouse *psmouse) | |
2189 | { | |
4b1af853 | 2190 | struct alps_data *priv = psmouse->private; |
cd401204 KC |
2191 | struct ps2dev *ps2dev = &psmouse->ps2dev; |
2192 | int reg_val; | |
2193 | unsigned char param[4]; | |
2194 | ||
4b1af853 | 2195 | if ((priv->flags & ALPS_DUALPOINT) && |
cd401204 KC |
2196 | alps_setup_trackstick_v3(psmouse, ALPS_REG_BASE_PINNACLE) == -EIO) |
2197 | goto error; | |
2198 | ||
d18e53fc | 2199 | if (alps_enter_command_mode(psmouse) || |
cd401204 | 2200 | alps_absolute_mode_v3(psmouse)) { |
25bded7c SF |
2201 | psmouse_err(psmouse, "Failed to enter absolute mode\n"); |
2202 | goto error; | |
2203 | } | |
2204 | ||
2205 | reg_val = alps_command_mode_read_reg(psmouse, 0x0006); | |
2206 | if (reg_val == -1) | |
2207 | goto error; | |
2208 | if (__alps_command_mode_write_reg(psmouse, reg_val | 0x01)) | |
2209 | goto error; | |
2210 | ||
2211 | reg_val = alps_command_mode_read_reg(psmouse, 0x0007); | |
2212 | if (reg_val == -1) | |
2213 | goto error; | |
2214 | if (__alps_command_mode_write_reg(psmouse, reg_val | 0x01)) | |
2215 | goto error; | |
2216 | ||
2217 | if (alps_command_mode_read_reg(psmouse, 0x0144) == -1) | |
2218 | goto error; | |
2219 | if (__alps_command_mode_write_reg(psmouse, 0x04)) | |
2220 | goto error; | |
2221 | ||
2222 | if (alps_command_mode_read_reg(psmouse, 0x0159) == -1) | |
2223 | goto error; | |
2224 | if (__alps_command_mode_write_reg(psmouse, 0x03)) | |
2225 | goto error; | |
2226 | ||
2227 | if (alps_command_mode_read_reg(psmouse, 0x0163) == -1) | |
2228 | goto error; | |
2229 | if (alps_command_mode_write_reg(psmouse, 0x0163, 0x03)) | |
2230 | goto error; | |
2231 | ||
2232 | if (alps_command_mode_read_reg(psmouse, 0x0162) == -1) | |
2233 | goto error; | |
2234 | if (alps_command_mode_write_reg(psmouse, 0x0162, 0x04)) | |
2235 | goto error; | |
2236 | ||
25bded7c SF |
2237 | alps_exit_command_mode(psmouse); |
2238 | ||
2239 | /* Set rate and enable data reporting */ | |
2240 | param[0] = 0x64; | |
2241 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE) || | |
2242 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) { | |
2243 | psmouse_err(psmouse, "Failed to enable data reporting\n"); | |
2244 | return -1; | |
2245 | } | |
2246 | ||
2247 | return 0; | |
2248 | ||
25bded7c SF |
2249 | error: |
2250 | /* | |
2251 | * Leaving the touchpad in command mode will essentially render | |
2252 | * it unusable until the machine reboots, so exit it here just | |
2253 | * to be safe | |
2254 | */ | |
2255 | alps_exit_command_mode(psmouse); | |
2256 | return -1; | |
2257 | } | |
2258 | ||
f3f33c67 HG |
2259 | static int alps_get_v3_v7_resolution(struct psmouse *psmouse, int reg_pitch) |
2260 | { | |
2261 | int reg, x_pitch, y_pitch, x_electrode, y_electrode, x_phys, y_phys; | |
2262 | struct alps_data *priv = psmouse->private; | |
2263 | ||
2264 | reg = alps_command_mode_read_reg(psmouse, reg_pitch); | |
2265 | if (reg < 0) | |
2266 | return reg; | |
2267 | ||
2268 | x_pitch = (char)(reg << 4) >> 4; /* sign extend lower 4 bits */ | |
2269 | x_pitch = 50 + 2 * x_pitch; /* In 0.1 mm units */ | |
2270 | ||
2271 | y_pitch = (char)reg >> 4; /* sign extend upper 4 bits */ | |
2272 | y_pitch = 36 + 2 * y_pitch; /* In 0.1 mm units */ | |
2273 | ||
2274 | reg = alps_command_mode_read_reg(psmouse, reg_pitch + 1); | |
2275 | if (reg < 0) | |
2276 | return reg; | |
2277 | ||
2278 | x_electrode = (char)(reg << 4) >> 4; /* sign extend lower 4 bits */ | |
2279 | x_electrode = 17 + x_electrode; | |
2280 | ||
2281 | y_electrode = (char)reg >> 4; /* sign extend upper 4 bits */ | |
2282 | y_electrode = 13 + y_electrode; | |
2283 | ||
2284 | x_phys = x_pitch * (x_electrode - 1); /* In 0.1 mm units */ | |
2285 | y_phys = y_pitch * (y_electrode - 1); /* In 0.1 mm units */ | |
2286 | ||
2287 | priv->x_res = priv->x_max * 10 / x_phys; /* units / mm */ | |
2288 | priv->y_res = priv->y_max * 10 / y_phys; /* units / mm */ | |
2289 | ||
2290 | psmouse_dbg(psmouse, | |
2291 | "pitch %dx%d num-electrodes %dx%d physical size %dx%d mm res %dx%d\n", | |
2292 | x_pitch, y_pitch, x_electrode, y_electrode, | |
2293 | x_phys / 10, y_phys / 10, priv->x_res, priv->y_res); | |
2294 | ||
2295 | return 0; | |
2296 | } | |
2297 | ||
1302bac3 KC |
2298 | static int alps_hw_init_rushmore_v3(struct psmouse *psmouse) |
2299 | { | |
cd401204 | 2300 | struct alps_data *priv = psmouse->private; |
1302bac3 KC |
2301 | struct ps2dev *ps2dev = &psmouse->ps2dev; |
2302 | int reg_val, ret = -1; | |
2303 | ||
cd401204 KC |
2304 | if (priv->flags & ALPS_DUALPOINT) { |
2305 | reg_val = alps_setup_trackstick_v3(psmouse, | |
2306 | ALPS_REG_BASE_RUSHMORE); | |
2307 | if (reg_val == -EIO) | |
2308 | goto error; | |
cd401204 KC |
2309 | } |
2310 | ||
d18e53fc | 2311 | if (alps_enter_command_mode(psmouse) || |
1302bac3 KC |
2312 | alps_command_mode_read_reg(psmouse, 0xc2d9) == -1 || |
2313 | alps_command_mode_write_reg(psmouse, 0xc2cb, 0x00)) | |
2314 | goto error; | |
2315 | ||
f3f33c67 HG |
2316 | if (alps_get_v3_v7_resolution(psmouse, 0xc2da)) |
2317 | goto error; | |
2318 | ||
1302bac3 KC |
2319 | reg_val = alps_command_mode_read_reg(psmouse, 0xc2c6); |
2320 | if (reg_val == -1) | |
2321 | goto error; | |
2322 | if (__alps_command_mode_write_reg(psmouse, reg_val & 0xfd)) | |
2323 | goto error; | |
2324 | ||
2325 | if (alps_command_mode_write_reg(psmouse, 0xc2c9, 0x64)) | |
2326 | goto error; | |
2327 | ||
2328 | /* enter absolute mode */ | |
2329 | reg_val = alps_command_mode_read_reg(psmouse, 0xc2c4); | |
2330 | if (reg_val == -1) | |
2331 | goto error; | |
2332 | if (__alps_command_mode_write_reg(psmouse, reg_val | 0x02)) | |
2333 | goto error; | |
2334 | ||
2335 | alps_exit_command_mode(psmouse); | |
2336 | return ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE); | |
2337 | ||
2338 | error: | |
2339 | alps_exit_command_mode(psmouse); | |
2340 | return ret; | |
2341 | } | |
2342 | ||
25bded7c SF |
2343 | /* Must be in command mode when calling this function */ |
2344 | static int alps_absolute_mode_v4(struct psmouse *psmouse) | |
2345 | { | |
2346 | int reg_val; | |
2347 | ||
2348 | reg_val = alps_command_mode_read_reg(psmouse, 0x0004); | |
2349 | if (reg_val == -1) | |
2350 | return -1; | |
2351 | ||
2352 | reg_val |= 0x02; | |
2353 | if (__alps_command_mode_write_reg(psmouse, reg_val)) | |
2354 | return -1; | |
2355 | ||
2356 | return 0; | |
2357 | } | |
2358 | ||
2359 | static int alps_hw_init_v4(struct psmouse *psmouse) | |
2360 | { | |
25bded7c SF |
2361 | struct ps2dev *ps2dev = &psmouse->ps2dev; |
2362 | unsigned char param[4]; | |
2363 | ||
d18e53fc | 2364 | if (alps_enter_command_mode(psmouse)) |
25bded7c SF |
2365 | goto error; |
2366 | ||
2367 | if (alps_absolute_mode_v4(psmouse)) { | |
2368 | psmouse_err(psmouse, "Failed to enter absolute mode\n"); | |
2369 | goto error; | |
2370 | } | |
2371 | ||
2372 | if (alps_command_mode_write_reg(psmouse, 0x0007, 0x8c)) | |
2373 | goto error; | |
2374 | ||
2375 | if (alps_command_mode_write_reg(psmouse, 0x0149, 0x03)) | |
2376 | goto error; | |
2377 | ||
2378 | if (alps_command_mode_write_reg(psmouse, 0x0160, 0x03)) | |
2379 | goto error; | |
2380 | ||
2381 | if (alps_command_mode_write_reg(psmouse, 0x017f, 0x15)) | |
2382 | goto error; | |
2383 | ||
2384 | if (alps_command_mode_write_reg(psmouse, 0x0151, 0x01)) | |
2385 | goto error; | |
2386 | ||
2387 | if (alps_command_mode_write_reg(psmouse, 0x0168, 0x03)) | |
2388 | goto error; | |
2389 | ||
2390 | if (alps_command_mode_write_reg(psmouse, 0x014a, 0x03)) | |
2391 | goto error; | |
2392 | ||
2393 | if (alps_command_mode_write_reg(psmouse, 0x0161, 0x03)) | |
2394 | goto error; | |
2395 | ||
2396 | alps_exit_command_mode(psmouse); | |
2397 | ||
2398 | /* | |
2399 | * This sequence changes the output from a 9-byte to an | |
2400 | * 8-byte format. All the same data seems to be present, | |
2401 | * just in a more compact format. | |
2402 | */ | |
2403 | param[0] = 0xc8; | |
2404 | param[1] = 0x64; | |
2405 | param[2] = 0x50; | |
2406 | if (ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || | |
2407 | ps2_command(ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE) || | |
2408 | ps2_command(ps2dev, ¶m[2], PSMOUSE_CMD_SETRATE) || | |
2409 | ps2_command(ps2dev, param, PSMOUSE_CMD_GETID)) | |
2410 | return -1; | |
2411 | ||
2412 | /* Set rate and enable data reporting */ | |
2413 | param[0] = 0x64; | |
2414 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE) || | |
2415 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)) { | |
2416 | psmouse_err(psmouse, "Failed to enable data reporting\n"); | |
2417 | return -1; | |
2418 | } | |
2419 | ||
2420 | return 0; | |
2421 | ||
2422 | error: | |
2423 | /* | |
2424 | * Leaving the touchpad in command mode will essentially render | |
2425 | * it unusable until the machine reboots, so exit it here just | |
2426 | * to be safe | |
2427 | */ | |
2428 | alps_exit_command_mode(psmouse); | |
2429 | return -1; | |
2430 | } | |
2431 | ||
3db5b9f7 MO |
2432 | static int alps_get_otp_values_ss4_v2(struct psmouse *psmouse, |
2433 | unsigned char index, unsigned char otp[]) | |
2434 | { | |
2435 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
2436 | ||
2437 | switch (index) { | |
2438 | case 0: | |
2439 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) || | |
2440 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) || | |
2441 | ps2_command(ps2dev, otp, PSMOUSE_CMD_GETINFO)) | |
2442 | return -1; | |
2443 | ||
2444 | break; | |
2445 | ||
2446 | case 1: | |
2447 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL) || | |
2448 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL) || | |
2449 | ps2_command(ps2dev, otp, PSMOUSE_CMD_GETINFO)) | |
2450 | return -1; | |
2451 | ||
2452 | break; | |
2453 | } | |
2454 | ||
2455 | return 0; | |
2456 | } | |
2457 | ||
07f19e3d FW |
2458 | static int alps_update_device_area_ss4_v2(unsigned char otp[][4], |
2459 | struct alps_data *priv) | |
3db5b9f7 MO |
2460 | { |
2461 | int num_x_electrode; | |
2462 | int num_y_electrode; | |
2463 | int x_pitch, y_pitch, x_phys, y_phys; | |
2464 | ||
e7348396 MO |
2465 | if (IS_SS4PLUS_DEV(priv->dev_id)) { |
2466 | num_x_electrode = | |
2467 | SS4PLUS_NUMSENSOR_XOFFSET + (otp[0][2] & 0x0F); | |
2468 | num_y_electrode = | |
2469 | SS4PLUS_NUMSENSOR_YOFFSET + ((otp[0][2] >> 4) & 0x0F); | |
3db5b9f7 | 2470 | |
e7348396 MO |
2471 | priv->x_max = |
2472 | (num_x_electrode - 1) * SS4PLUS_COUNT_PER_ELECTRODE; | |
2473 | priv->y_max = | |
2474 | (num_y_electrode - 1) * SS4PLUS_COUNT_PER_ELECTRODE; | |
3db5b9f7 | 2475 | |
e7348396 MO |
2476 | x_pitch = (otp[0][1] & 0x0F) + SS4PLUS_MIN_PITCH_MM; |
2477 | y_pitch = ((otp[0][1] >> 4) & 0x0F) + SS4PLUS_MIN_PITCH_MM; | |
2478 | ||
2479 | } else { | |
2480 | num_x_electrode = | |
2481 | SS4_NUMSENSOR_XOFFSET + (otp[1][0] & 0x0F); | |
2482 | num_y_electrode = | |
2483 | SS4_NUMSENSOR_YOFFSET + ((otp[1][0] >> 4) & 0x0F); | |
2484 | ||
2485 | priv->x_max = | |
2486 | (num_x_electrode - 1) * SS4_COUNT_PER_ELECTRODE; | |
2487 | priv->y_max = | |
2488 | (num_y_electrode - 1) * SS4_COUNT_PER_ELECTRODE; | |
2489 | ||
2490 | x_pitch = ((otp[1][2] >> 2) & 0x07) + SS4_MIN_PITCH_MM; | |
2491 | y_pitch = ((otp[1][2] >> 5) & 0x07) + SS4_MIN_PITCH_MM; | |
2492 | } | |
3db5b9f7 MO |
2493 | |
2494 | x_phys = x_pitch * (num_x_electrode - 1); /* In 0.1 mm units */ | |
2495 | y_phys = y_pitch * (num_y_electrode - 1); /* In 0.1 mm units */ | |
2496 | ||
2497 | priv->x_res = priv->x_max * 10 / x_phys; /* units / mm */ | |
2498 | priv->y_res = priv->y_max * 10 / y_phys; /* units / mm */ | |
2499 | ||
2500 | return 0; | |
2501 | } | |
2502 | ||
07f19e3d FW |
2503 | static int alps_update_btn_info_ss4_v2(unsigned char otp[][4], |
2504 | struct alps_data *priv) | |
3db5b9f7 | 2505 | { |
3db5b9f7 MO |
2506 | unsigned char is_btnless; |
2507 | ||
e7348396 MO |
2508 | if (IS_SS4PLUS_DEV(priv->dev_id)) |
2509 | is_btnless = (otp[1][0] >> 1) & 0x01; | |
2510 | else | |
2511 | is_btnless = (otp[1][1] >> 3) & 0x01; | |
3db5b9f7 MO |
2512 | |
2513 | if (is_btnless) | |
2514 | priv->flags |= ALPS_BUTTONPAD; | |
2515 | ||
2516 | return 0; | |
2517 | } | |
2518 | ||
e7348396 MO |
2519 | static int alps_update_dual_info_ss4_v2(unsigned char otp[][4], |
2520 | struct alps_data *priv) | |
2521 | { | |
2522 | bool is_dual = false; | |
2523 | ||
2524 | if (IS_SS4PLUS_DEV(priv->dev_id)) | |
2525 | is_dual = (otp[0][0] >> 4) & 0x01; | |
2526 | ||
2527 | if (is_dual) | |
2528 | priv->flags |= ALPS_DUALPOINT | | |
2529 | ALPS_DUALPOINT_WITH_PRESSURE; | |
2530 | ||
2531 | return 0; | |
2532 | } | |
2533 | ||
3db5b9f7 MO |
2534 | static int alps_set_defaults_ss4_v2(struct psmouse *psmouse, |
2535 | struct alps_data *priv) | |
2536 | { | |
2537 | unsigned char otp[2][4]; | |
2538 | ||
2539 | memset(otp, 0, sizeof(otp)); | |
2540 | ||
2541 | if (alps_get_otp_values_ss4_v2(psmouse, 0, &otp[0][0]) || | |
2542 | alps_get_otp_values_ss4_v2(psmouse, 1, &otp[1][0])) | |
2543 | return -1; | |
2544 | ||
2545 | alps_update_device_area_ss4_v2(otp, priv); | |
2546 | ||
2547 | alps_update_btn_info_ss4_v2(otp, priv); | |
2548 | ||
e7348396 MO |
2549 | alps_update_dual_info_ss4_v2(otp, priv); |
2550 | ||
3db5b9f7 MO |
2551 | return 0; |
2552 | } | |
2553 | ||
ee65d4b3 YT |
2554 | static int alps_dolphin_get_device_area(struct psmouse *psmouse, |
2555 | struct alps_data *priv) | |
2556 | { | |
2557 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
2558 | unsigned char param[4] = {0}; | |
2559 | int num_x_electrode, num_y_electrode; | |
2560 | ||
2561 | if (alps_enter_command_mode(psmouse)) | |
2562 | return -1; | |
2563 | ||
2564 | param[0] = 0x0a; | |
2565 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP) || | |
2566 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL) || | |
2567 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL) || | |
2568 | ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || | |
2569 | ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE)) | |
2570 | return -1; | |
2571 | ||
2572 | if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) | |
2573 | return -1; | |
2574 | ||
2575 | /* | |
2576 | * Dolphin's sensor line number is not fixed. It can be calculated | |
2577 | * by adding the device's register value with DOLPHIN_PROFILE_X/YOFFSET. | |
2578 | * Further more, we can get device's x_max and y_max by multiplying | |
2579 | * sensor line number with DOLPHIN_COUNT_PER_ELECTRODE. | |
2580 | * | |
2581 | * e.g. When we get register's sensor_x = 11 & sensor_y = 8, | |
2582 | * real sensor line number X = 11 + 8 = 19, and | |
2583 | * real sensor line number Y = 8 + 1 = 9. | |
2584 | * So, x_max = (19 - 1) * 64 = 1152, and | |
2585 | * y_max = (9 - 1) * 64 = 512. | |
2586 | */ | |
2587 | num_x_electrode = DOLPHIN_PROFILE_XOFFSET + (param[2] & 0x0F); | |
2588 | num_y_electrode = DOLPHIN_PROFILE_YOFFSET + ((param[2] >> 4) & 0x0F); | |
2589 | priv->x_bits = num_x_electrode; | |
2590 | priv->y_bits = num_y_electrode; | |
2591 | priv->x_max = (num_x_electrode - 1) * DOLPHIN_COUNT_PER_ELECTRODE; | |
2592 | priv->y_max = (num_y_electrode - 1) * DOLPHIN_COUNT_PER_ELECTRODE; | |
2593 | ||
2594 | if (alps_exit_command_mode(psmouse)) | |
2595 | return -1; | |
2596 | ||
2597 | return 0; | |
2598 | } | |
2599 | ||
75af9e56 DT |
2600 | static int alps_hw_init_dolphin_v1(struct psmouse *psmouse) |
2601 | { | |
2602 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
2603 | unsigned char param[2]; | |
2604 | ||
2605 | /* This is dolphin "v1" as empirically defined by florin9doi */ | |
2606 | param[0] = 0x64; | |
2607 | param[1] = 0x28; | |
2608 | ||
2609 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) || | |
2610 | ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || | |
2611 | ps2_command(ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE)) | |
2612 | return -1; | |
2613 | ||
2614 | return 0; | |
2615 | } | |
2616 | ||
3808843c YT |
2617 | static int alps_hw_init_v7(struct psmouse *psmouse) |
2618 | { | |
2619 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
2620 | int reg_val, ret = -1; | |
2621 | ||
2622 | if (alps_enter_command_mode(psmouse) || | |
2623 | alps_command_mode_read_reg(psmouse, 0xc2d9) == -1) | |
2624 | goto error; | |
2625 | ||
f3f33c67 HG |
2626 | if (alps_get_v3_v7_resolution(psmouse, 0xc397)) |
2627 | goto error; | |
2628 | ||
3808843c YT |
2629 | if (alps_command_mode_write_reg(psmouse, 0xc2c9, 0x64)) |
2630 | goto error; | |
2631 | ||
2632 | reg_val = alps_command_mode_read_reg(psmouse, 0xc2c4); | |
2633 | if (reg_val == -1) | |
2634 | goto error; | |
2635 | if (__alps_command_mode_write_reg(psmouse, reg_val | 0x02)) | |
2636 | goto error; | |
2637 | ||
2638 | alps_exit_command_mode(psmouse); | |
2639 | return ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE); | |
2640 | ||
2641 | error: | |
2642 | alps_exit_command_mode(psmouse); | |
2643 | return ret; | |
2644 | } | |
2645 | ||
3db5b9f7 MO |
2646 | static int alps_hw_init_ss4_v2(struct psmouse *psmouse) |
2647 | { | |
2648 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
2649 | char param[2] = {0x64, 0x28}; | |
2650 | int ret = -1; | |
2651 | ||
2652 | /* enter absolute mode */ | |
2653 | if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) || | |
2654 | ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) || | |
2655 | ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || | |
2656 | ps2_command(ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE)) { | |
2657 | goto error; | |
2658 | } | |
2659 | ||
2660 | /* T.B.D. Decread noise packet number, delete in the future */ | |
2661 | if (alps_exit_command_mode(psmouse) || | |
2662 | alps_enter_command_mode(psmouse) || | |
2663 | alps_command_mode_write_reg(psmouse, 0x001D, 0x20)) { | |
2664 | goto error; | |
2665 | } | |
2666 | alps_exit_command_mode(psmouse); | |
2667 | ||
2668 | return ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE); | |
2669 | ||
2670 | error: | |
2671 | alps_exit_command_mode(psmouse); | |
2672 | return ret; | |
2673 | } | |
2674 | ||
3296f71c DT |
2675 | static int alps_set_protocol(struct psmouse *psmouse, |
2676 | struct alps_data *priv, | |
2677 | const struct alps_protocol_info *protocol) | |
25bded7c | 2678 | { |
3296f71c DT |
2679 | psmouse->private = priv; |
2680 | ||
2681 | setup_timer(&priv->timer, alps_flush_packet, (unsigned long)psmouse); | |
2682 | ||
2683 | priv->proto_version = protocol->version; | |
2684 | priv->byte0 = protocol->byte0; | |
2685 | priv->mask0 = protocol->mask0; | |
2686 | priv->flags = protocol->flags; | |
f673ceb1 | 2687 | |
7a9f73e7 KC |
2688 | priv->x_max = 2000; |
2689 | priv->y_max = 1400; | |
2690 | priv->x_bits = 15; | |
2691 | priv->y_bits = 11; | |
2692 | ||
99df65e7 | 2693 | switch (priv->proto_version) { |
25bded7c SF |
2694 | case ALPS_PROTO_V1: |
2695 | case ALPS_PROTO_V2: | |
24af5cb9 KC |
2696 | priv->hw_init = alps_hw_init_v1_v2; |
2697 | priv->process_packet = alps_process_packet_v1_v2; | |
2698 | priv->set_abs_params = alps_set_abs_params_st; | |
95f75e91 YT |
2699 | priv->x_max = 1023; |
2700 | priv->y_max = 767; | |
19556219 HG |
2701 | if (dmi_check_system(alps_dmi_has_separate_stick_buttons)) |
2702 | priv->flags |= ALPS_STICK_BITS; | |
25bded7c | 2703 | break; |
fb2dd7a6 | 2704 | |
25bded7c | 2705 | case ALPS_PROTO_V3: |
24af5cb9 KC |
2706 | priv->hw_init = alps_hw_init_v3; |
2707 | priv->process_packet = alps_process_packet_v3; | |
688ea364 | 2708 | priv->set_abs_params = alps_set_abs_params_semi_mt; |
f85e5001 | 2709 | priv->decode_fields = alps_decode_pinnacle; |
50e8b216 KC |
2710 | priv->nibble_commands = alps_v3_nibble_commands; |
2711 | priv->addr_command = PSMOUSE_CMD_RESET_WRAP; | |
4b1af853 PR |
2712 | |
2713 | if (alps_probe_trackstick_v3_v7(psmouse, | |
2714 | ALPS_REG_BASE_PINNACLE) < 0) | |
2715 | priv->flags &= ~ALPS_DUALPOINT; | |
2716 | ||
25bded7c | 2717 | break; |
fb2dd7a6 DT |
2718 | |
2719 | case ALPS_PROTO_V3_RUSHMORE: | |
2720 | priv->hw_init = alps_hw_init_rushmore_v3; | |
2721 | priv->process_packet = alps_process_packet_v3; | |
688ea364 | 2722 | priv->set_abs_params = alps_set_abs_params_semi_mt; |
fb2dd7a6 DT |
2723 | priv->decode_fields = alps_decode_rushmore; |
2724 | priv->nibble_commands = alps_v3_nibble_commands; | |
2725 | priv->addr_command = PSMOUSE_CMD_RESET_WRAP; | |
2726 | priv->x_bits = 16; | |
2727 | priv->y_bits = 12; | |
3296f71c | 2728 | |
dae928ec PR |
2729 | if (alps_probe_trackstick_v3_v7(psmouse, |
2730 | ALPS_REG_BASE_RUSHMORE) < 0) | |
3296f71c DT |
2731 | priv->flags &= ~ALPS_DUALPOINT; |
2732 | ||
fb2dd7a6 DT |
2733 | break; |
2734 | ||
25bded7c | 2735 | case ALPS_PROTO_V4: |
24af5cb9 KC |
2736 | priv->hw_init = alps_hw_init_v4; |
2737 | priv->process_packet = alps_process_packet_v4; | |
688ea364 | 2738 | priv->set_abs_params = alps_set_abs_params_semi_mt; |
50e8b216 KC |
2739 | priv->nibble_commands = alps_v4_nibble_commands; |
2740 | priv->addr_command = PSMOUSE_CMD_DISABLE; | |
25bded7c | 2741 | break; |
3296f71c | 2742 | |
75af9e56 DT |
2743 | case ALPS_PROTO_V5: |
2744 | priv->hw_init = alps_hw_init_dolphin_v1; | |
ee65d4b3 | 2745 | priv->process_packet = alps_process_touchpad_packet_v3_v5; |
75af9e56 | 2746 | priv->decode_fields = alps_decode_dolphin; |
688ea364 | 2747 | priv->set_abs_params = alps_set_abs_params_semi_mt; |
75af9e56 DT |
2748 | priv->nibble_commands = alps_v3_nibble_commands; |
2749 | priv->addr_command = PSMOUSE_CMD_RESET_WRAP; | |
75af9e56 DT |
2750 | priv->x_bits = 23; |
2751 | priv->y_bits = 12; | |
c164c147 DT |
2752 | |
2753 | if (alps_dolphin_get_device_area(psmouse, priv)) | |
2754 | return -EIO; | |
2755 | ||
75af9e56 | 2756 | break; |
3296f71c | 2757 | |
95f75e91 YT |
2758 | case ALPS_PROTO_V6: |
2759 | priv->hw_init = alps_hw_init_v6; | |
2760 | priv->process_packet = alps_process_packet_v6; | |
2761 | priv->set_abs_params = alps_set_abs_params_st; | |
2762 | priv->nibble_commands = alps_v6_nibble_commands; | |
2763 | priv->x_max = 2047; | |
2764 | priv->y_max = 1535; | |
2765 | break; | |
3296f71c | 2766 | |
3808843c YT |
2767 | case ALPS_PROTO_V7: |
2768 | priv->hw_init = alps_hw_init_v7; | |
2769 | priv->process_packet = alps_process_packet_v7; | |
2770 | priv->decode_fields = alps_decode_packet_v7; | |
8eccd393 | 2771 | priv->set_abs_params = alps_set_abs_params_v7; |
3808843c YT |
2772 | priv->nibble_commands = alps_v3_nibble_commands; |
2773 | priv->addr_command = PSMOUSE_CMD_RESET_WRAP; | |
c164c147 DT |
2774 | priv->x_max = 0xfff; |
2775 | priv->y_max = 0x7ff; | |
3808843c YT |
2776 | |
2777 | if (priv->fw_ver[1] != 0xba) | |
2778 | priv->flags |= ALPS_BUTTONPAD; | |
3296f71c | 2779 | |
dae928ec PR |
2780 | if (alps_probe_trackstick_v3_v7(psmouse, ALPS_REG_BASE_V7) < 0) |
2781 | priv->flags &= ~ALPS_DUALPOINT; | |
2782 | ||
3808843c | 2783 | break; |
3db5b9f7 MO |
2784 | |
2785 | case ALPS_PROTO_V8: | |
2786 | priv->hw_init = alps_hw_init_ss4_v2; | |
2787 | priv->process_packet = alps_process_packet_ss4_v2; | |
2788 | priv->decode_fields = alps_decode_ss4_v2; | |
2789 | priv->set_abs_params = alps_set_abs_params_ss4_v2; | |
2790 | priv->nibble_commands = alps_v3_nibble_commands; | |
2791 | priv->addr_command = PSMOUSE_CMD_RESET_WRAP; | |
2792 | ||
2793 | if (alps_set_defaults_ss4_v2(psmouse, priv)) | |
2794 | return -EIO; | |
2795 | ||
2796 | break; | |
25bded7c | 2797 | } |
3296f71c DT |
2798 | |
2799 | return 0; | |
25bded7c SF |
2800 | } |
2801 | ||
3296f71c DT |
2802 | static const struct alps_protocol_info *alps_match_table(unsigned char *e7, |
2803 | unsigned char *ec) | |
2e992cc0 | 2804 | { |
b5d6b851 | 2805 | const struct alps_model_info *model; |
2e992cc0 KC |
2806 | int i; |
2807 | ||
b5d6b851 KC |
2808 | for (i = 0; i < ARRAY_SIZE(alps_model_data); i++) { |
2809 | model = &alps_model_data[i]; | |
2810 | ||
2811 | if (!memcmp(e7, model->signature, sizeof(model->signature)) && | |
2812 | (!model->command_mode_resp || | |
2813 | model->command_mode_resp == ec[2])) { | |
2814 | ||
3296f71c | 2815 | return &model->protocol_info; |
b5d6b851 KC |
2816 | } |
2817 | } | |
2818 | ||
3296f71c | 2819 | return NULL; |
b5d6b851 KC |
2820 | } |
2821 | ||
2822 | static int alps_identify(struct psmouse *psmouse, struct alps_data *priv) | |
2823 | { | |
3296f71c | 2824 | const struct alps_protocol_info *protocol; |
b5d6b851 | 2825 | unsigned char e6[4], e7[4], ec[4]; |
a09221e8 | 2826 | int error; |
b5d6b851 | 2827 | |
2e992cc0 KC |
2828 | /* |
2829 | * First try "E6 report". | |
2830 | * ALPS should return 0,0,10 or 0,0,100 if no buttons are pressed. | |
2831 | * The bits 0-2 of the first byte will be 1s if some buttons are | |
2832 | * pressed. | |
2833 | */ | |
b5d6b851 KC |
2834 | if (alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES, |
2835 | PSMOUSE_CMD_SETSCALE11, e6)) | |
2836 | return -EIO; | |
2e992cc0 | 2837 | |
b5d6b851 KC |
2838 | if ((e6[0] & 0xf8) != 0 || e6[1] != 0 || (e6[2] != 10 && e6[2] != 100)) |
2839 | return -EINVAL; | |
2e992cc0 KC |
2840 | |
2841 | /* | |
b5d6b851 KC |
2842 | * Now get the "E7" and "EC" reports. These will uniquely identify |
2843 | * most ALPS touchpads. | |
2e992cc0 | 2844 | */ |
b5d6b851 KC |
2845 | if (alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES, |
2846 | PSMOUSE_CMD_SETSCALE21, e7) || | |
2847 | alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES, | |
2848 | PSMOUSE_CMD_RESET_WRAP, ec) || | |
2849 | alps_exit_command_mode(psmouse)) | |
2850 | return -EIO; | |
2e992cc0 | 2851 | |
3296f71c DT |
2852 | protocol = alps_match_table(e7, ec); |
2853 | if (!protocol) { | |
2854 | if (e7[0] == 0x73 && e7[1] == 0x03 && e7[2] == 0x50 && | |
2855 | ec[0] == 0x73 && (ec[1] == 0x01 || ec[1] == 0x02)) { | |
2856 | protocol = &alps_v5_protocol_data; | |
2857 | } else if (ec[0] == 0x88 && | |
2858 | ((ec[1] & 0xf0) == 0xb0 || (ec[1] & 0xf0) == 0xc0)) { | |
2859 | protocol = &alps_v7_protocol_data; | |
2860 | } else if (ec[0] == 0x88 && ec[1] == 0x08) { | |
2861 | protocol = &alps_v3_rushmore_data; | |
2862 | } else if (ec[0] == 0x88 && ec[1] == 0x07 && | |
2863 | ec[2] >= 0x90 && ec[2] <= 0x9d) { | |
2864 | protocol = &alps_v3_protocol_data; | |
3db5b9f7 | 2865 | } else if (e7[0] == 0x73 && e7[1] == 0x03 && |
e7348396 | 2866 | (e7[2] == 0x14 || e7[2] == 0x28)) { |
aeaa881f | 2867 | protocol = &alps_v8_protocol_data; |
3296f71c DT |
2868 | } else { |
2869 | psmouse_dbg(psmouse, | |
2870 | "Likely not an ALPS touchpad: E7=%3ph, EC=%3ph\n", e7, ec); | |
2871 | return -EINVAL; | |
2872 | } | |
f673ceb1 | 2873 | } |
2e992cc0 | 2874 | |
a09221e8 | 2875 | if (priv) { |
e7348396 MO |
2876 | /* Save Device ID and Firmware version */ |
2877 | memcpy(priv->dev_id, e7, 3); | |
a09221e8 DT |
2878 | memcpy(priv->fw_ver, ec, 3); |
2879 | error = alps_set_protocol(psmouse, priv, protocol); | |
2880 | if (error) | |
2881 | return error; | |
2882 | } | |
2e992cc0 | 2883 | |
a09221e8 | 2884 | return 0; |
2e992cc0 KC |
2885 | } |
2886 | ||
1e0c5b12 DT |
2887 | static int alps_reconnect(struct psmouse *psmouse) |
2888 | { | |
b5d6b851 | 2889 | struct alps_data *priv = psmouse->private; |
71bb21b6 | 2890 | |
1e0c5b12 DT |
2891 | psmouse_reset(psmouse); |
2892 | ||
b5d6b851 | 2893 | if (alps_identify(psmouse, priv) < 0) |
1e0c5b12 DT |
2894 | return -1; |
2895 | ||
24af5cb9 | 2896 | return priv->hw_init(psmouse); |
1da177e4 LT |
2897 | } |
2898 | ||
2899 | static void alps_disconnect(struct psmouse *psmouse) | |
2900 | { | |
2901 | struct alps_data *priv = psmouse->private; | |
2e5b636b | 2902 | |
1da177e4 | 2903 | psmouse_reset(psmouse); |
1d9f2626 | 2904 | del_timer_sync(&priv->timer); |
04aae283 PR |
2905 | if (priv->dev2) |
2906 | input_unregister_device(priv->dev2); | |
2907 | if (!IS_ERR_OR_NULL(priv->dev3)) | |
2908 | input_unregister_device(priv->dev3); | |
1da177e4 LT |
2909 | kfree(priv); |
2910 | } | |
2911 | ||
24af5cb9 KC |
2912 | static void alps_set_abs_params_st(struct alps_data *priv, |
2913 | struct input_dev *dev1) | |
2914 | { | |
95f75e91 YT |
2915 | input_set_abs_params(dev1, ABS_X, 0, priv->x_max, 0, 0); |
2916 | input_set_abs_params(dev1, ABS_Y, 0, priv->y_max, 0, 0); | |
8eccd393 | 2917 | input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0); |
24af5cb9 KC |
2918 | } |
2919 | ||
8eccd393 MO |
2920 | static void alps_set_abs_params_mt_common(struct alps_data *priv, |
2921 | struct input_dev *dev1) | |
24af5cb9 | 2922 | { |
7a9f73e7 KC |
2923 | input_set_abs_params(dev1, ABS_MT_POSITION_X, 0, priv->x_max, 0, 0); |
2924 | input_set_abs_params(dev1, ABS_MT_POSITION_Y, 0, priv->y_max, 0, 0); | |
24af5cb9 | 2925 | |
f3f33c67 HG |
2926 | input_abs_set_res(dev1, ABS_MT_POSITION_X, priv->x_res); |
2927 | input_abs_set_res(dev1, ABS_MT_POSITION_Y, priv->y_res); | |
2928 | ||
24af5cb9 KC |
2929 | set_bit(BTN_TOOL_TRIPLETAP, dev1->keybit); |
2930 | set_bit(BTN_TOOL_QUADTAP, dev1->keybit); | |
8eccd393 MO |
2931 | } |
2932 | ||
688ea364 HG |
2933 | static void alps_set_abs_params_semi_mt(struct alps_data *priv, |
2934 | struct input_dev *dev1) | |
8eccd393 MO |
2935 | { |
2936 | alps_set_abs_params_mt_common(priv, dev1); | |
2937 | input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0); | |
2938 | ||
2939 | input_mt_init_slots(dev1, MAX_TOUCHES, | |
2940 | INPUT_MT_POINTER | INPUT_MT_DROP_UNUSED | | |
1662c033 | 2941 | INPUT_MT_SEMI_MT); |
8eccd393 MO |
2942 | } |
2943 | ||
2944 | static void alps_set_abs_params_v7(struct alps_data *priv, | |
2945 | struct input_dev *dev1) | |
2946 | { | |
2947 | alps_set_abs_params_mt_common(priv, dev1); | |
8d289842 | 2948 | set_bit(BTN_TOOL_QUINTTAP, dev1->keybit); |
3808843c | 2949 | |
3db5b9f7 MO |
2950 | input_mt_init_slots(dev1, MAX_TOUCHES, |
2951 | INPUT_MT_POINTER | INPUT_MT_DROP_UNUSED | | |
2952 | INPUT_MT_TRACK); | |
2953 | ||
2954 | set_bit(BTN_TOOL_QUINTTAP, dev1->keybit); | |
2955 | } | |
2956 | ||
2957 | static void alps_set_abs_params_ss4_v2(struct alps_data *priv, | |
2958 | struct input_dev *dev1) | |
2959 | { | |
2960 | alps_set_abs_params_mt_common(priv, dev1); | |
2961 | input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0); | |
2962 | set_bit(BTN_TOOL_QUINTTAP, dev1->keybit); | |
3808843c | 2963 | |
8eccd393 MO |
2964 | input_mt_init_slots(dev1, MAX_TOUCHES, |
2965 | INPUT_MT_POINTER | INPUT_MT_DROP_UNUSED | | |
2966 | INPUT_MT_TRACK); | |
24af5cb9 KC |
2967 | } |
2968 | ||
1da177e4 LT |
2969 | int alps_init(struct psmouse *psmouse) |
2970 | { | |
a09221e8 | 2971 | struct alps_data *priv = psmouse->private; |
04aae283 | 2972 | struct input_dev *dev1 = psmouse->dev; |
a09221e8 | 2973 | int error; |
1da177e4 | 2974 | |
a09221e8 DT |
2975 | error = priv->hw_init(psmouse); |
2976 | if (error) | |
1da177e4 LT |
2977 | goto init_fail; |
2978 | ||
7105d2ea DT |
2979 | /* |
2980 | * Undo part of setup done for us by psmouse core since touchpad | |
2981 | * is not a relative device. | |
2982 | */ | |
2983 | __clear_bit(EV_REL, dev1->evbit); | |
2984 | __clear_bit(REL_X, dev1->relbit); | |
2985 | __clear_bit(REL_Y, dev1->relbit); | |
2986 | ||
2987 | /* | |
2988 | * Now set up our capabilities. | |
2989 | */ | |
7b19ada2 JS |
2990 | dev1->evbit[BIT_WORD(EV_KEY)] |= BIT_MASK(EV_KEY); |
2991 | dev1->keybit[BIT_WORD(BTN_TOUCH)] |= BIT_MASK(BTN_TOUCH); | |
2992 | dev1->keybit[BIT_WORD(BTN_TOOL_FINGER)] |= BIT_MASK(BTN_TOOL_FINGER); | |
71bb21b6 ML |
2993 | dev1->keybit[BIT_WORD(BTN_LEFT)] |= |
2994 | BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_RIGHT); | |
1da177e4 | 2995 | |
7b19ada2 | 2996 | dev1->evbit[BIT_WORD(EV_ABS)] |= BIT_MASK(EV_ABS); |
25bded7c | 2997 | |
24af5cb9 | 2998 | priv->set_abs_params(priv, dev1); |
1da177e4 | 2999 | |
99df65e7 | 3000 | if (priv->flags & ALPS_WHEEL) { |
7b19ada2 JS |
3001 | dev1->evbit[BIT_WORD(EV_REL)] |= BIT_MASK(EV_REL); |
3002 | dev1->relbit[BIT_WORD(REL_WHEEL)] |= BIT_MASK(REL_WHEEL); | |
1da177e4 LT |
3003 | } |
3004 | ||
99df65e7 | 3005 | if (priv->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) { |
7b19ada2 JS |
3006 | dev1->keybit[BIT_WORD(BTN_FORWARD)] |= BIT_MASK(BTN_FORWARD); |
3007 | dev1->keybit[BIT_WORD(BTN_BACK)] |= BIT_MASK(BTN_BACK); | |
1da177e4 LT |
3008 | } |
3009 | ||
99df65e7 | 3010 | if (priv->flags & ALPS_FOUR_BUTTONS) { |
71bb21b6 ML |
3011 | dev1->keybit[BIT_WORD(BTN_0)] |= BIT_MASK(BTN_0); |
3012 | dev1->keybit[BIT_WORD(BTN_1)] |= BIT_MASK(BTN_1); | |
3013 | dev1->keybit[BIT_WORD(BTN_2)] |= BIT_MASK(BTN_2); | |
3014 | dev1->keybit[BIT_WORD(BTN_3)] |= BIT_MASK(BTN_3); | |
3808843c YT |
3015 | } else if (priv->flags & ALPS_BUTTONPAD) { |
3016 | set_bit(INPUT_PROP_BUTTONPAD, dev1->propbit); | |
3017 | clear_bit(BTN_RIGHT, dev1->keybit); | |
71bb21b6 ML |
3018 | } else { |
3019 | dev1->keybit[BIT_WORD(BTN_MIDDLE)] |= BIT_MASK(BTN_MIDDLE); | |
3020 | } | |
3021 | ||
dfba8600 | 3022 | if (priv->flags & ALPS_DUALPOINT) { |
04aae283 PR |
3023 | struct input_dev *dev2; |
3024 | ||
3025 | dev2 = input_allocate_device(); | |
3026 | if (!dev2) { | |
3027 | psmouse_err(psmouse, | |
3028 | "failed to allocate trackstick device\n"); | |
3029 | error = -ENOMEM; | |
3030 | goto init_fail; | |
3031 | } | |
3032 | ||
3033 | snprintf(priv->phys2, sizeof(priv->phys2), "%s/input1", | |
3034 | psmouse->ps2dev.serio->phys); | |
3035 | dev2->phys = priv->phys2; | |
3036 | ||
dfba8600 PR |
3037 | /* |
3038 | * format of input device name is: "protocol vendor name" | |
3039 | * see function psmouse_switch_protocol() in psmouse-base.c | |
3040 | */ | |
3041 | dev2->name = "AlpsPS/2 ALPS DualPoint Stick"; | |
04aae283 PR |
3042 | |
3043 | dev2->id.bustype = BUS_I8042; | |
3044 | dev2->id.vendor = 0x0002; | |
dfba8600 PR |
3045 | dev2->id.product = PSMOUSE_ALPS; |
3046 | dev2->id.version = priv->proto_version; | |
04aae283 | 3047 | dev2->dev.parent = &psmouse->ps2dev.serio->dev; |
1da177e4 | 3048 | |
04aae283 PR |
3049 | input_set_capability(dev2, EV_REL, REL_X); |
3050 | input_set_capability(dev2, EV_REL, REL_Y); | |
7ad8a106 BG |
3051 | if (priv->flags & ALPS_DUALPOINT_WITH_PRESSURE) { |
3052 | input_set_capability(dev2, EV_ABS, ABS_PRESSURE); | |
3053 | input_set_abs_params(dev2, ABS_PRESSURE, 0, 127, 0, 0); | |
3054 | } | |
04aae283 PR |
3055 | input_set_capability(dev2, EV_KEY, BTN_LEFT); |
3056 | input_set_capability(dev2, EV_KEY, BTN_RIGHT); | |
3057 | input_set_capability(dev2, EV_KEY, BTN_MIDDLE); | |
1da177e4 | 3058 | |
04aae283 | 3059 | __set_bit(INPUT_PROP_POINTER, dev2->propbit); |
7611392f HG |
3060 | __set_bit(INPUT_PROP_POINTING_STICK, dev2->propbit); |
3061 | ||
04aae283 PR |
3062 | error = input_register_device(dev2); |
3063 | if (error) { | |
3064 | psmouse_err(psmouse, | |
3065 | "failed to register trackstick device: %d\n", | |
3066 | error); | |
3067 | input_free_device(dev2); | |
3068 | goto init_fail; | |
3069 | } | |
3070 | ||
3071 | priv->dev2 = dev2; | |
3072 | } | |
3073 | ||
3074 | priv->psmouse = psmouse; | |
3075 | ||
3076 | INIT_DELAYED_WORK(&priv->dev3_register_work, | |
3077 | alps_register_bare_ps2_mouse); | |
1da177e4 LT |
3078 | |
3079 | psmouse->protocol_handler = alps_process_byte; | |
f0d5c6f4 | 3080 | psmouse->poll = alps_poll; |
1da177e4 LT |
3081 | psmouse->disconnect = alps_disconnect; |
3082 | psmouse->reconnect = alps_reconnect; | |
99df65e7 | 3083 | psmouse->pktsize = priv->proto_version == ALPS_PROTO_V4 ? 8 : 6; |
1da177e4 | 3084 | |
f0d5c6f4 DT |
3085 | /* We are having trouble resyncing ALPS touchpads so disable it for now */ |
3086 | psmouse->resync_time = 0; | |
3087 | ||
9d720b34 PR |
3088 | /* Allow 2 invalid packets without resetting device */ |
3089 | psmouse->resetafter = psmouse->pktsize * 2; | |
3090 | ||
1da177e4 LT |
3091 | return 0; |
3092 | ||
3093 | init_fail: | |
f42649e8 | 3094 | psmouse_reset(psmouse); |
a09221e8 DT |
3095 | /* |
3096 | * Even though we did not allocate psmouse->private we do free | |
3097 | * it here. | |
3098 | */ | |
3099 | kfree(psmouse->private); | |
1e0c5b12 | 3100 | psmouse->private = NULL; |
a09221e8 | 3101 | return error; |
1da177e4 LT |
3102 | } |
3103 | ||
b7802c5c | 3104 | int alps_detect(struct psmouse *psmouse, bool set_properties) |
1da177e4 | 3105 | { |
a09221e8 DT |
3106 | struct alps_data *priv; |
3107 | int error; | |
1da177e4 | 3108 | |
a09221e8 DT |
3109 | error = alps_identify(psmouse, NULL); |
3110 | if (error) | |
3111 | return error; | |
3112 | ||
3113 | /* | |
3114 | * Reset the device to make sure it is fully operational: | |
3115 | * on some laptops, like certain Dell Latitudes, we may | |
3116 | * fail to properly detect presence of trackstick if device | |
3117 | * has not been reset. | |
3118 | */ | |
3119 | psmouse_reset(psmouse); | |
3120 | ||
3121 | priv = kzalloc(sizeof(struct alps_data), GFP_KERNEL); | |
3122 | if (!priv) | |
3123 | return -ENOMEM; | |
3124 | ||
3125 | error = alps_identify(psmouse, priv); | |
93050db2 DT |
3126 | if (error) { |
3127 | kfree(priv); | |
a09221e8 | 3128 | return error; |
93050db2 | 3129 | } |
1da177e4 LT |
3130 | |
3131 | if (set_properties) { | |
3132 | psmouse->vendor = "ALPS"; | |
a09221e8 | 3133 | psmouse->name = priv->flags & ALPS_DUALPOINT ? |
968ac842 | 3134 | "DualPoint TouchPad" : "GlidePoint"; |
a09221e8 DT |
3135 | psmouse->model = priv->proto_version; |
3136 | } else { | |
3137 | /* | |
3138 | * Destroy alps_data structure we allocated earlier since | |
3139 | * this was just a "trial run". Otherwise we'll keep it | |
3140 | * to be used by alps_init() which has to be called if | |
3141 | * we succeed and set_properties is true. | |
3142 | */ | |
3143 | kfree(priv); | |
3144 | psmouse->private = NULL; | |
1da177e4 | 3145 | } |
a09221e8 | 3146 | |
1da177e4 LT |
3147 | return 0; |
3148 | } | |
3149 |