Input: atkbd - remove identification strings from DMI table
[deliverable/linux.git] / drivers / input / mouse / lifebook.c
CommitLineData
02d7f589
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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
23struct lifebook_data {
24 struct input_dev *dev2; /* Relative device */
25 char phys[32];
26};
27
7705d548
DT
28static bool lifebook_present;
29
e7afcd1b
DT
30static const char *desired_serio_phys;
31
7705d548 32static int lifebook_limit_serio3(const struct dmi_system_id *d)
e7afcd1b 33{
7705d548 34 desired_serio_phys = "isa0060/serio3";
e7afcd1b
DT
35 return 0;
36}
37
b7802c5c 38static bool lifebook_use_6byte_proto;
1b118799 39
1855256c 40static int lifebook_set_6byte_proto(const struct dmi_system_id *d)
1b118799 41{
b7802c5c 42 lifebook_use_6byte_proto = true;
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DT
43 return 0;
44}
45
7705d548
DT
46static const struct dmi_system_id __initconst lifebook_dmi_table[] = {
47#if defined(CONFIG_DMI) && defined(CONFIG_X86)
b1b29650
AM
48 {
49 .ident = "FLORA-ie 55mi",
50 .matches = {
51 DMI_MATCH(DMI_PRODUCT_NAME, "FLORA-ie 55mi"),
52 },
53 },
54 {
55 .ident = "LifeBook B",
56 .matches = {
57 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B Series"),
58 },
59 },
60 {
61 .ident = "Lifebook B",
62 .matches = {
63 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK B Series"),
64 },
65 },
6b9ff696
DT
66 {
67 .ident = "Lifebook B-2130",
68 .matches = {
69 DMI_MATCH(DMI_BOARD_NAME, "ZEPHYR"),
70 },
71 },
b1b29650
AM
72 {
73 .ident = "Lifebook B213x/B2150",
74 .matches = {
75 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B2131/B2133/B2150"),
76 },
77 },
78 {
79 .ident = "Zephyr",
80 .matches = {
81 DMI_MATCH(DMI_PRODUCT_NAME, "ZEPHYR"),
82 },
83 },
84 {
85 .ident = "CF-18",
86 .matches = {
87 DMI_MATCH(DMI_PRODUCT_NAME, "CF-18"),
88 },
7705d548 89 .callback = lifebook_limit_serio3,
b1b29650 90 },
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DT
91 {
92 .ident = "Panasonic CF-28",
93 .matches = {
94 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
95 DMI_MATCH(DMI_PRODUCT_NAME, "CF-28"),
96 },
97 .callback = lifebook_set_6byte_proto,
98 },
43887ba1
DT
99 {
100 .ident = "Panasonic CF-29",
101 .matches = {
102 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
103 DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
104 },
105 .callback = lifebook_set_6byte_proto,
106 },
f76f672e
DT
107 {
108 .ident = "CF-72",
109 .matches = {
110 DMI_MATCH(DMI_PRODUCT_NAME, "CF-72"),
111 },
b1e69aae 112 .callback = lifebook_set_6byte_proto,
f76f672e 113 },
b1b29650
AM
114 {
115 .ident = "Lifebook B142",
116 .matches = {
117 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B142"),
118 },
119 },
120 { }
7705d548 121#endif
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122};
123
7705d548
DT
124void __init lifebook_module_init(void)
125{
126 lifebook_present = dmi_check_system(lifebook_dmi_table);
127}
128
7d12e780 129static psmouse_ret_t lifebook_process_byte(struct psmouse *psmouse)
02d7f589 130{
2ebdcc61
DT
131 struct lifebook_data *priv = psmouse->private;
132 struct input_dev *dev1 = psmouse->dev;
e6b20d8d 133 struct input_dev *dev2 = priv ? priv->dev2 : NULL;
1b118799 134 unsigned char *packet = psmouse->packet;
b7802c5c 135 bool relative_packet = packet[0] & 0x08;
02d7f589 136
1b118799
DT
137 if (relative_packet || !lifebook_use_6byte_proto) {
138 if (psmouse->pktcnt != 3)
139 return PSMOUSE_GOOD_DATA;
02d7f589 140 } else {
1b118799
DT
141 switch (psmouse->pktcnt) {
142 case 1:
143 return (packet[0] & 0xf8) == 0x00 ?
144 PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA;
145 case 2:
146 return PSMOUSE_GOOD_DATA;
147 case 3:
148 return ((packet[2] & 0x30) << 2) == (packet[2] & 0xc0) ?
149 PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA;
150 case 4:
151 return (packet[3] & 0xf8) == 0xc0 ?
152 PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA;
153 case 5:
154 return (packet[4] & 0xc0) == (packet[2] & 0xc0) ?
155 PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA;
156 case 6:
157 if (((packet[5] & 0x30) << 2) != (packet[5] & 0xc0))
158 return PSMOUSE_BAD_DATA;
159 if ((packet[5] & 0xc0) != (packet[1] & 0xc0))
160 return PSMOUSE_BAD_DATA;
161 break; /* report data */
162 }
163 }
164
165 if (relative_packet) {
2ebdcc61
DT
166 if (!dev2)
167 printk(KERN_WARNING "lifebook.c: got relative packet "
168 "but no relative device set up\n");
1b118799 169 } else {
9b771ac4
DT
170 if (lifebook_use_6byte_proto) {
171 input_report_abs(dev1, ABS_X,
172 ((packet[1] & 0x3f) << 6) | (packet[2] & 0x3f));
173 input_report_abs(dev1, ABS_Y,
174 4096 - (((packet[4] & 0x3f) << 6) | (packet[5] & 0x3f)));
175 } else {
176 input_report_abs(dev1, ABS_X,
177 (packet[1] | ((packet[0] & 0x30) << 4)));
178 input_report_abs(dev1, ABS_Y,
179 1024 - (packet[2] | ((packet[0] & 0xC0) << 2)));
180 }
181 input_report_key(dev1, BTN_TOUCH, packet[0] & 0x04);
182 input_sync(dev1);
02d7f589
KE
183 }
184
2ebdcc61
DT
185 if (dev2) {
186 if (relative_packet) {
187 input_report_rel(dev2, REL_X,
188 ((packet[0] & 0x10) ? packet[1] - 256 : packet[1]));
189 input_report_rel(dev2, REL_Y,
190 -(int)((packet[0] & 0x20) ? packet[2] - 256 : packet[2]));
191 }
192 input_report_key(dev2, BTN_LEFT, packet[0] & 0x01);
193 input_report_key(dev2, BTN_RIGHT, packet[0] & 0x02);
194 input_sync(dev2);
195 }
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196
197 return PSMOUSE_FULL_PACKET;
198}
199
a15d60f8 200static int lifebook_absolute_mode(struct psmouse *psmouse)
02d7f589
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201{
202 struct ps2dev *ps2dev = &psmouse->ps2dev;
203 unsigned char param;
204
14e94143 205 if (psmouse_reset(psmouse))
02d7f589
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206 return -1;
207
14e94143 208 /*
0cc1770b
DT
209 * Enable absolute output -- ps2_command fails always but if
210 * you leave this call out the touchsreen will never send
211 * absolute coordinates
212 */
1b118799 213 param = lifebook_use_6byte_proto ? 0x08 : 0x07;
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214 ps2_command(ps2dev, &param, PSMOUSE_CMD_SETRES);
215
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216 return 0;
217}
218
2ebdcc61
DT
219static void lifebook_relative_mode(struct psmouse *psmouse)
220{
221 struct ps2dev *ps2dev = &psmouse->ps2dev;
222 unsigned char param = 0x06;
223
224 ps2_command(ps2dev, &param, PSMOUSE_CMD_SETRES);
225}
226
a913829e
DT
227static void lifebook_set_resolution(struct psmouse *psmouse, unsigned int resolution)
228{
e38de678
HD
229 static const unsigned char params[] = { 0, 1, 2, 2, 3 };
230 unsigned char p;
a913829e
DT
231
232 if (resolution == 0 || resolution > 400)
233 resolution = 400;
234
e38de678
HD
235 p = params[resolution / 100];
236 ps2_command(&psmouse->ps2dev, &p, PSMOUSE_CMD_SETRES);
237 psmouse->resolution = 50 << p;
a913829e
DT
238}
239
02d7f589
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240static void lifebook_disconnect(struct psmouse *psmouse)
241{
653e91d0
AS
242 struct lifebook_data *priv = psmouse->private;
243
02d7f589 244 psmouse_reset(psmouse);
653e91d0
AS
245 if (priv) {
246 input_unregister_device(priv->dev2);
247 kfree(priv);
248 }
2ebdcc61 249 psmouse->private = NULL;
02d7f589
KE
250}
251
b7802c5c 252int lifebook_detect(struct psmouse *psmouse, bool set_properties)
02d7f589 253{
7705d548 254 if (!lifebook_present)
02d7f589
KE
255 return -1;
256
e7afcd1b
DT
257 if (desired_serio_phys &&
258 strcmp(psmouse->ps2dev.serio->phys, desired_serio_phys))
259 return -1;
260
02d7f589 261 if (set_properties) {
a15d60f8
DT
262 psmouse->vendor = "Fujitsu";
263 psmouse->name = "Lifebook TouchScreen";
02d7f589
KE
264 }
265
a15d60f8 266 return 0;
02d7f589 267}
a15d60f8 268
2ebdcc61
DT
269static int lifebook_create_relative_device(struct psmouse *psmouse)
270{
271 struct input_dev *dev2;
272 struct lifebook_data *priv;
273 int error = -ENOMEM;
274
275 priv = kzalloc(sizeof(struct lifebook_data), GFP_KERNEL);
276 dev2 = input_allocate_device();
277 if (!priv || !dev2)
278 goto err_out;
279
280 priv->dev2 = dev2;
281 snprintf(priv->phys, sizeof(priv->phys),
282 "%s/input1", psmouse->ps2dev.serio->phys);
283
284 dev2->phys = priv->phys;
285 dev2->name = "PS/2 Touchpad";
286 dev2->id.bustype = BUS_I8042;
287 dev2->id.vendor = 0x0002;
288 dev2->id.product = PSMOUSE_LIFEBOOK;
289 dev2->id.version = 0x0000;
290 dev2->dev.parent = &psmouse->ps2dev.serio->dev;
291
7b19ada2
JS
292 dev2->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
293 dev2->relbit[BIT_WORD(REL_X)] = BIT_MASK(REL_X) | BIT_MASK(REL_Y);
0cc1770b
DT
294 dev2->keybit[BIT_WORD(BTN_LEFT)] =
295 BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_RIGHT);
2ebdcc61
DT
296
297 error = input_register_device(priv->dev2);
298 if (error)
299 goto err_out;
300
301 psmouse->private = priv;
302 return 0;
303
304 err_out:
305 input_free_device(dev2);
306 kfree(priv);
307 return error;
308}
309
a15d60f8
DT
310int lifebook_init(struct psmouse *psmouse)
311{
2ebdcc61 312 struct input_dev *dev1 = psmouse->dev;
62e729b6 313 int max_coord = lifebook_use_6byte_proto ? 4096 : 1024;
2e5b636b 314
a15d60f8
DT
315 if (lifebook_absolute_mode(psmouse))
316 return -1;
317
7b19ada2 318 dev1->evbit[0] = BIT_MASK(EV_ABS) | BIT_MASK(EV_KEY);
2ebdcc61 319 dev1->relbit[0] = 0;
0cc1770b 320 dev1->keybit[BIT_WORD(BTN_MOUSE)] = 0;
7b19ada2 321 dev1->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
2ebdcc61
DT
322 input_set_abs_params(dev1, ABS_X, 0, max_coord, 0, 0);
323 input_set_abs_params(dev1, ABS_Y, 0, max_coord, 0, 0);
324
325 if (!desired_serio_phys) {
326 if (lifebook_create_relative_device(psmouse)) {
327 lifebook_relative_mode(psmouse);
328 return -1;
329 }
330 }
a15d60f8
DT
331
332 psmouse->protocol_handler = lifebook_process_byte;
a913829e 333 psmouse->set_resolution = lifebook_set_resolution;
a15d60f8
DT
334 psmouse->disconnect = lifebook_disconnect;
335 psmouse->reconnect = lifebook_absolute_mode;
1b118799 336
2ebdcc61
DT
337 psmouse->model = lifebook_use_6byte_proto ? 6 : 3;
338
1b118799
DT
339 /*
340 * Use packet size = 3 even when using 6-byte protocol because
341 * that's what POLL will return on Lifebooks (according to spec).
342 */
a15d60f8
DT
343 psmouse->pktsize = 3;
344
345 return 0;
346}
347
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