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02d7f589 KE |
1 | /* |
2 | * Fujitsu B-series Lifebook PS/2 TouchScreen driver | |
3 | * | |
4 | * Copyright (c) 2005 Vojtech Pavlik <vojtech@suse.cz> | |
5 | * Copyright (c) 2005 Kenan Esau <kenan.esau@conan.de> | |
6 | * | |
7 | * TouchScreen detection, absolute mode setting and packet layout is taken from | |
8 | * Harald Hoyer's description of the device. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify it | |
11 | * under the terms of the GNU General Public License version 2 as published by | |
12 | * the Free Software Foundation. | |
13 | */ | |
14 | ||
15 | #include <linux/input.h> | |
16 | #include <linux/serio.h> | |
17 | #include <linux/libps2.h> | |
18 | #include <linux/dmi.h> | |
19 | ||
20 | #include "psmouse.h" | |
21 | #include "lifebook.h" | |
22 | ||
2ebdcc61 DT |
23 | struct lifebook_data { |
24 | struct input_dev *dev2; /* Relative device */ | |
25 | char phys[32]; | |
26 | }; | |
27 | ||
e7afcd1b DT |
28 | static const char *desired_serio_phys; |
29 | ||
1855256c | 30 | static int lifebook_set_serio_phys(const struct dmi_system_id *d) |
e7afcd1b DT |
31 | { |
32 | desired_serio_phys = d->driver_data; | |
33 | return 0; | |
34 | } | |
35 | ||
1b118799 DT |
36 | static unsigned char lifebook_use_6byte_proto; |
37 | ||
1855256c | 38 | static int lifebook_set_6byte_proto(const struct dmi_system_id *d) |
1b118799 DT |
39 | { |
40 | lifebook_use_6byte_proto = 1; | |
41 | return 0; | |
42 | } | |
43 | ||
1855256c | 44 | static const struct dmi_system_id lifebook_dmi_table[] = { |
b1b29650 AM |
45 | { |
46 | .ident = "FLORA-ie 55mi", | |
47 | .matches = { | |
48 | DMI_MATCH(DMI_PRODUCT_NAME, "FLORA-ie 55mi"), | |
49 | }, | |
50 | }, | |
51 | { | |
52 | .ident = "LifeBook B", | |
53 | .matches = { | |
54 | DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B Series"), | |
55 | }, | |
56 | }, | |
57 | { | |
58 | .ident = "Lifebook B", | |
59 | .matches = { | |
60 | DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK B Series"), | |
61 | }, | |
62 | }, | |
6b9ff696 DT |
63 | { |
64 | .ident = "Lifebook B-2130", | |
65 | .matches = { | |
66 | DMI_MATCH(DMI_BOARD_NAME, "ZEPHYR"), | |
67 | }, | |
68 | }, | |
b1b29650 AM |
69 | { |
70 | .ident = "Lifebook B213x/B2150", | |
71 | .matches = { | |
72 | DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B2131/B2133/B2150"), | |
73 | }, | |
74 | }, | |
75 | { | |
76 | .ident = "Zephyr", | |
77 | .matches = { | |
78 | DMI_MATCH(DMI_PRODUCT_NAME, "ZEPHYR"), | |
79 | }, | |
80 | }, | |
81 | { | |
82 | .ident = "CF-18", | |
83 | .matches = { | |
84 | DMI_MATCH(DMI_PRODUCT_NAME, "CF-18"), | |
85 | }, | |
e7afcd1b DT |
86 | .callback = lifebook_set_serio_phys, |
87 | .driver_data = "isa0060/serio3", | |
b1b29650 | 88 | }, |
1b118799 DT |
89 | { |
90 | .ident = "Panasonic CF-28", | |
91 | .matches = { | |
92 | DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"), | |
93 | DMI_MATCH(DMI_PRODUCT_NAME, "CF-28"), | |
94 | }, | |
95 | .callback = lifebook_set_6byte_proto, | |
96 | }, | |
43887ba1 DT |
97 | { |
98 | .ident = "Panasonic CF-29", | |
99 | .matches = { | |
100 | DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"), | |
101 | DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"), | |
102 | }, | |
103 | .callback = lifebook_set_6byte_proto, | |
104 | }, | |
f76f672e DT |
105 | { |
106 | .ident = "CF-72", | |
107 | .matches = { | |
108 | DMI_MATCH(DMI_PRODUCT_NAME, "CF-72"), | |
109 | }, | |
110 | .callback = lifebook_set_serio_phys, | |
111 | .driver_data = "isa0060/serio3", | |
112 | }, | |
b1b29650 AM |
113 | { |
114 | .ident = "Lifebook B142", | |
115 | .matches = { | |
116 | DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B142"), | |
117 | }, | |
118 | }, | |
119 | { } | |
02d7f589 KE |
120 | }; |
121 | ||
7d12e780 | 122 | static psmouse_ret_t lifebook_process_byte(struct psmouse *psmouse) |
02d7f589 | 123 | { |
2ebdcc61 DT |
124 | struct lifebook_data *priv = psmouse->private; |
125 | struct input_dev *dev1 = psmouse->dev; | |
e6b20d8d | 126 | struct input_dev *dev2 = priv ? priv->dev2 : NULL; |
1b118799 DT |
127 | unsigned char *packet = psmouse->packet; |
128 | int relative_packet = packet[0] & 0x08; | |
02d7f589 | 129 | |
1b118799 DT |
130 | if (relative_packet || !lifebook_use_6byte_proto) { |
131 | if (psmouse->pktcnt != 3) | |
132 | return PSMOUSE_GOOD_DATA; | |
02d7f589 | 133 | } else { |
1b118799 DT |
134 | switch (psmouse->pktcnt) { |
135 | case 1: | |
136 | return (packet[0] & 0xf8) == 0x00 ? | |
137 | PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA; | |
138 | case 2: | |
139 | return PSMOUSE_GOOD_DATA; | |
140 | case 3: | |
141 | return ((packet[2] & 0x30) << 2) == (packet[2] & 0xc0) ? | |
142 | PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA; | |
143 | case 4: | |
144 | return (packet[3] & 0xf8) == 0xc0 ? | |
145 | PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA; | |
146 | case 5: | |
147 | return (packet[4] & 0xc0) == (packet[2] & 0xc0) ? | |
148 | PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA; | |
149 | case 6: | |
150 | if (((packet[5] & 0x30) << 2) != (packet[5] & 0xc0)) | |
151 | return PSMOUSE_BAD_DATA; | |
152 | if ((packet[5] & 0xc0) != (packet[1] & 0xc0)) | |
153 | return PSMOUSE_BAD_DATA; | |
154 | break; /* report data */ | |
155 | } | |
156 | } | |
157 | ||
158 | if (relative_packet) { | |
2ebdcc61 DT |
159 | if (!dev2) |
160 | printk(KERN_WARNING "lifebook.c: got relative packet " | |
161 | "but no relative device set up\n"); | |
1b118799 | 162 | } else if (lifebook_use_6byte_proto) { |
2ebdcc61 | 163 | input_report_abs(dev1, ABS_X, |
1b118799 | 164 | ((packet[1] & 0x3f) << 6) | (packet[2] & 0x3f)); |
2ebdcc61 | 165 | input_report_abs(dev1, ABS_Y, |
1b118799 DT |
166 | 4096 - (((packet[4] & 0x3f) << 6) | (packet[5] & 0x3f))); |
167 | } else { | |
2ebdcc61 | 168 | input_report_abs(dev1, ABS_X, |
1b118799 | 169 | (packet[1] | ((packet[0] & 0x30) << 4))); |
2ebdcc61 | 170 | input_report_abs(dev1, ABS_Y, |
1b118799 | 171 | 1024 - (packet[2] | ((packet[0] & 0xC0) << 2))); |
02d7f589 KE |
172 | } |
173 | ||
2ebdcc61 DT |
174 | input_report_key(dev1, BTN_TOUCH, packet[0] & 0x04); |
175 | input_sync(dev1); | |
02d7f589 | 176 | |
2ebdcc61 DT |
177 | if (dev2) { |
178 | if (relative_packet) { | |
179 | input_report_rel(dev2, REL_X, | |
180 | ((packet[0] & 0x10) ? packet[1] - 256 : packet[1])); | |
181 | input_report_rel(dev2, REL_Y, | |
182 | -(int)((packet[0] & 0x20) ? packet[2] - 256 : packet[2])); | |
183 | } | |
184 | input_report_key(dev2, BTN_LEFT, packet[0] & 0x01); | |
185 | input_report_key(dev2, BTN_RIGHT, packet[0] & 0x02); | |
186 | input_sync(dev2); | |
187 | } | |
02d7f589 KE |
188 | |
189 | return PSMOUSE_FULL_PACKET; | |
190 | } | |
191 | ||
a15d60f8 | 192 | static int lifebook_absolute_mode(struct psmouse *psmouse) |
02d7f589 KE |
193 | { |
194 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
195 | unsigned char param; | |
196 | ||
14e94143 | 197 | if (psmouse_reset(psmouse)) |
02d7f589 KE |
198 | return -1; |
199 | ||
14e94143 | 200 | /* |
02d7f589 KE |
201 | Enable absolute output -- ps2_command fails always but if |
202 | you leave this call out the touchsreen will never send | |
203 | absolute coordinates | |
14e94143 | 204 | */ |
1b118799 | 205 | param = lifebook_use_6byte_proto ? 0x08 : 0x07; |
02d7f589 KE |
206 | ps2_command(ps2dev, ¶m, PSMOUSE_CMD_SETRES); |
207 | ||
02d7f589 KE |
208 | return 0; |
209 | } | |
210 | ||
2ebdcc61 DT |
211 | static void lifebook_relative_mode(struct psmouse *psmouse) |
212 | { | |
213 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
214 | unsigned char param = 0x06; | |
215 | ||
216 | ps2_command(ps2dev, ¶m, PSMOUSE_CMD_SETRES); | |
217 | } | |
218 | ||
a913829e DT |
219 | static void lifebook_set_resolution(struct psmouse *psmouse, unsigned int resolution) |
220 | { | |
e38de678 HD |
221 | static const unsigned char params[] = { 0, 1, 2, 2, 3 }; |
222 | unsigned char p; | |
a913829e DT |
223 | |
224 | if (resolution == 0 || resolution > 400) | |
225 | resolution = 400; | |
226 | ||
e38de678 HD |
227 | p = params[resolution / 100]; |
228 | ps2_command(&psmouse->ps2dev, &p, PSMOUSE_CMD_SETRES); | |
229 | psmouse->resolution = 50 << p; | |
a913829e DT |
230 | } |
231 | ||
02d7f589 KE |
232 | static void lifebook_disconnect(struct psmouse *psmouse) |
233 | { | |
653e91d0 AS |
234 | struct lifebook_data *priv = psmouse->private; |
235 | ||
02d7f589 | 236 | psmouse_reset(psmouse); |
653e91d0 AS |
237 | if (priv) { |
238 | input_unregister_device(priv->dev2); | |
239 | kfree(priv); | |
240 | } | |
2ebdcc61 | 241 | psmouse->private = NULL; |
02d7f589 KE |
242 | } |
243 | ||
a15d60f8 | 244 | int lifebook_detect(struct psmouse *psmouse, int set_properties) |
02d7f589 | 245 | { |
a15d60f8 | 246 | if (!dmi_check_system(lifebook_dmi_table)) |
02d7f589 KE |
247 | return -1; |
248 | ||
e7afcd1b DT |
249 | if (desired_serio_phys && |
250 | strcmp(psmouse->ps2dev.serio->phys, desired_serio_phys)) | |
251 | return -1; | |
252 | ||
02d7f589 | 253 | if (set_properties) { |
a15d60f8 DT |
254 | psmouse->vendor = "Fujitsu"; |
255 | psmouse->name = "Lifebook TouchScreen"; | |
02d7f589 KE |
256 | } |
257 | ||
a15d60f8 | 258 | return 0; |
02d7f589 | 259 | } |
a15d60f8 | 260 | |
2ebdcc61 DT |
261 | static int lifebook_create_relative_device(struct psmouse *psmouse) |
262 | { | |
263 | struct input_dev *dev2; | |
264 | struct lifebook_data *priv; | |
265 | int error = -ENOMEM; | |
266 | ||
267 | priv = kzalloc(sizeof(struct lifebook_data), GFP_KERNEL); | |
268 | dev2 = input_allocate_device(); | |
269 | if (!priv || !dev2) | |
270 | goto err_out; | |
271 | ||
272 | priv->dev2 = dev2; | |
273 | snprintf(priv->phys, sizeof(priv->phys), | |
274 | "%s/input1", psmouse->ps2dev.serio->phys); | |
275 | ||
276 | dev2->phys = priv->phys; | |
277 | dev2->name = "PS/2 Touchpad"; | |
278 | dev2->id.bustype = BUS_I8042; | |
279 | dev2->id.vendor = 0x0002; | |
280 | dev2->id.product = PSMOUSE_LIFEBOOK; | |
281 | dev2->id.version = 0x0000; | |
282 | dev2->dev.parent = &psmouse->ps2dev.serio->dev; | |
283 | ||
7b19ada2 JS |
284 | dev2->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); |
285 | dev2->relbit[BIT_WORD(REL_X)] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); | |
286 | dev2->keybit[BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) | | |
287 | BIT_MASK(BTN_RIGHT); | |
2ebdcc61 DT |
288 | |
289 | error = input_register_device(priv->dev2); | |
290 | if (error) | |
291 | goto err_out; | |
292 | ||
293 | psmouse->private = priv; | |
294 | return 0; | |
295 | ||
296 | err_out: | |
297 | input_free_device(dev2); | |
298 | kfree(priv); | |
299 | return error; | |
300 | } | |
301 | ||
a15d60f8 DT |
302 | int lifebook_init(struct psmouse *psmouse) |
303 | { | |
2ebdcc61 | 304 | struct input_dev *dev1 = psmouse->dev; |
62e729b6 | 305 | int max_coord = lifebook_use_6byte_proto ? 4096 : 1024; |
2e5b636b | 306 | |
a15d60f8 DT |
307 | if (lifebook_absolute_mode(psmouse)) |
308 | return -1; | |
309 | ||
7b19ada2 | 310 | dev1->evbit[0] = BIT_MASK(EV_ABS) | BIT_MASK(EV_KEY); |
2ebdcc61 | 311 | dev1->relbit[0] = 0; |
7b19ada2 | 312 | dev1->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); |
2ebdcc61 DT |
313 | input_set_abs_params(dev1, ABS_X, 0, max_coord, 0, 0); |
314 | input_set_abs_params(dev1, ABS_Y, 0, max_coord, 0, 0); | |
315 | ||
316 | if (!desired_serio_phys) { | |
317 | if (lifebook_create_relative_device(psmouse)) { | |
318 | lifebook_relative_mode(psmouse); | |
319 | return -1; | |
320 | } | |
321 | } | |
a15d60f8 DT |
322 | |
323 | psmouse->protocol_handler = lifebook_process_byte; | |
a913829e | 324 | psmouse->set_resolution = lifebook_set_resolution; |
a15d60f8 DT |
325 | psmouse->disconnect = lifebook_disconnect; |
326 | psmouse->reconnect = lifebook_absolute_mode; | |
1b118799 | 327 | |
2ebdcc61 DT |
328 | psmouse->model = lifebook_use_6byte_proto ? 6 : 3; |
329 | ||
1b118799 DT |
330 | /* |
331 | * Use packet size = 3 even when using 6-byte protocol because | |
332 | * that's what POLL will return on Lifebooks (according to spec). | |
333 | */ | |
a15d60f8 DT |
334 | psmouse->pktsize = 3; |
335 | ||
336 | return 0; | |
337 | } | |
338 |