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Input: lifebook - add CONFIG_DMI dependency
[net-next-2.6.git] / drivers / input / mouse / lifebook.c
CommitLineData
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
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;
1b118799
DT
43 return 0;
44}
45
7705d548 46static const struct dmi_system_id __initconst lifebook_dmi_table[] = {
b1b29650 47 {
9961e259 48 /* FLORA-ie 55mi */
b1b29650
AM
49 .matches = {
50 DMI_MATCH(DMI_PRODUCT_NAME, "FLORA-ie 55mi"),
51 },
52 },
53 {
9961e259 54 /* LifeBook B */
b1b29650
AM
55 .matches = {
56 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B Series"),
57 },
58 },
59 {
9961e259 60 /* Lifebook B */
b1b29650
AM
61 .matches = {
62 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK B Series"),
63 },
64 },
6b9ff696 65 {
9961e259 66 /* Lifebook B-2130 */
6b9ff696
DT
67 .matches = {
68 DMI_MATCH(DMI_BOARD_NAME, "ZEPHYR"),
69 },
70 },
b1b29650 71 {
9961e259 72 /* Lifebook B213x/B2150 */
b1b29650
AM
73 .matches = {
74 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B2131/B2133/B2150"),
75 },
76 },
77 {
9961e259 78 /* Zephyr */
b1b29650
AM
79 .matches = {
80 DMI_MATCH(DMI_PRODUCT_NAME, "ZEPHYR"),
81 },
82 },
83 {
9961e259 84 /* Panasonic CF-18 */
b1b29650
AM
85 .matches = {
86 DMI_MATCH(DMI_PRODUCT_NAME, "CF-18"),
87 },
7705d548 88 .callback = lifebook_limit_serio3,
b1b29650 89 },
1b118799 90 {
9961e259 91 /* Panasonic CF-28 */
1b118799
DT
92 .matches = {
93 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
94 DMI_MATCH(DMI_PRODUCT_NAME, "CF-28"),
95 },
96 .callback = lifebook_set_6byte_proto,
97 },
43887ba1 98 {
9961e259 99 /* Panasonic CF-29 */
43887ba1
DT
100 .matches = {
101 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
102 DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
103 },
104 .callback = lifebook_set_6byte_proto,
105 },
f76f672e 106 {
9961e259 107 /* Panasonic CF-72 */
f76f672e
DT
108 .matches = {
109 DMI_MATCH(DMI_PRODUCT_NAME, "CF-72"),
110 },
b1e69aae 111 .callback = lifebook_set_6byte_proto,
f76f672e 112 },
b1b29650 113 {
9961e259 114 /* Lifebook B142 */
b1b29650
AM
115 .matches = {
116 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B142"),
117 },
118 },
119 { }
02d7f589
KE
120};
121
7705d548
DT
122void __init lifebook_module_init(void)
123{
124 lifebook_present = dmi_check_system(lifebook_dmi_table);
125}
126
7d12e780 127static psmouse_ret_t lifebook_process_byte(struct psmouse *psmouse)
02d7f589 128{
2ebdcc61
DT
129 struct lifebook_data *priv = psmouse->private;
130 struct input_dev *dev1 = psmouse->dev;
e6b20d8d 131 struct input_dev *dev2 = priv ? priv->dev2 : NULL;
1b118799 132 unsigned char *packet = psmouse->packet;
b7802c5c 133 bool relative_packet = packet[0] & 0x08;
02d7f589 134
1b118799
DT
135 if (relative_packet || !lifebook_use_6byte_proto) {
136 if (psmouse->pktcnt != 3)
137 return PSMOUSE_GOOD_DATA;
02d7f589 138 } else {
1b118799
DT
139 switch (psmouse->pktcnt) {
140 case 1:
141 return (packet[0] & 0xf8) == 0x00 ?
142 PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA;
143 case 2:
144 return PSMOUSE_GOOD_DATA;
145 case 3:
146 return ((packet[2] & 0x30) << 2) == (packet[2] & 0xc0) ?
147 PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA;
148 case 4:
149 return (packet[3] & 0xf8) == 0xc0 ?
150 PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA;
151 case 5:
152 return (packet[4] & 0xc0) == (packet[2] & 0xc0) ?
153 PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA;
154 case 6:
155 if (((packet[5] & 0x30) << 2) != (packet[5] & 0xc0))
156 return PSMOUSE_BAD_DATA;
157 if ((packet[5] & 0xc0) != (packet[1] & 0xc0))
158 return PSMOUSE_BAD_DATA;
159 break; /* report data */
160 }
161 }
162
163 if (relative_packet) {
2ebdcc61
DT
164 if (!dev2)
165 printk(KERN_WARNING "lifebook.c: got relative packet "
166 "but no relative device set up\n");
1b118799 167 } else {
9b771ac4
DT
168 if (lifebook_use_6byte_proto) {
169 input_report_abs(dev1, ABS_X,
170 ((packet[1] & 0x3f) << 6) | (packet[2] & 0x3f));
171 input_report_abs(dev1, ABS_Y,
172 4096 - (((packet[4] & 0x3f) << 6) | (packet[5] & 0x3f)));
173 } else {
174 input_report_abs(dev1, ABS_X,
175 (packet[1] | ((packet[0] & 0x30) << 4)));
176 input_report_abs(dev1, ABS_Y,
177 1024 - (packet[2] | ((packet[0] & 0xC0) << 2)));
178 }
179 input_report_key(dev1, BTN_TOUCH, packet[0] & 0x04);
180 input_sync(dev1);
02d7f589
KE
181 }
182
2ebdcc61
DT
183 if (dev2) {
184 if (relative_packet) {
185 input_report_rel(dev2, REL_X,
186 ((packet[0] & 0x10) ? packet[1] - 256 : packet[1]));
187 input_report_rel(dev2, REL_Y,
188 -(int)((packet[0] & 0x20) ? packet[2] - 256 : packet[2]));
189 }
190 input_report_key(dev2, BTN_LEFT, packet[0] & 0x01);
191 input_report_key(dev2, BTN_RIGHT, packet[0] & 0x02);
192 input_sync(dev2);
193 }
02d7f589
KE
194
195 return PSMOUSE_FULL_PACKET;
196}
197
a15d60f8 198static int lifebook_absolute_mode(struct psmouse *psmouse)
02d7f589
KE
199{
200 struct ps2dev *ps2dev = &psmouse->ps2dev;
201 unsigned char param;
202
14e94143 203 if (psmouse_reset(psmouse))
02d7f589
KE
204 return -1;
205
14e94143 206 /*
0cc1770b
DT
207 * Enable absolute output -- ps2_command fails always but if
208 * you leave this call out the touchsreen will never send
209 * absolute coordinates
210 */
1b118799 211 param = lifebook_use_6byte_proto ? 0x08 : 0x07;
02d7f589
KE
212 ps2_command(ps2dev, &param, PSMOUSE_CMD_SETRES);
213
02d7f589
KE
214 return 0;
215}
216
2ebdcc61
DT
217static void lifebook_relative_mode(struct psmouse *psmouse)
218{
219 struct ps2dev *ps2dev = &psmouse->ps2dev;
220 unsigned char param = 0x06;
221
222 ps2_command(ps2dev, &param, PSMOUSE_CMD_SETRES);
223}
224
a913829e
DT
225static void lifebook_set_resolution(struct psmouse *psmouse, unsigned int resolution)
226{
e38de678
HD
227 static const unsigned char params[] = { 0, 1, 2, 2, 3 };
228 unsigned char p;
a913829e
DT
229
230 if (resolution == 0 || resolution > 400)
231 resolution = 400;
232
e38de678
HD
233 p = params[resolution / 100];
234 ps2_command(&psmouse->ps2dev, &p, PSMOUSE_CMD_SETRES);
235 psmouse->resolution = 50 << p;
a913829e
DT
236}
237
02d7f589
KE
238static void lifebook_disconnect(struct psmouse *psmouse)
239{
653e91d0
AS
240 struct lifebook_data *priv = psmouse->private;
241
02d7f589 242 psmouse_reset(psmouse);
653e91d0
AS
243 if (priv) {
244 input_unregister_device(priv->dev2);
245 kfree(priv);
246 }
2ebdcc61 247 psmouse->private = NULL;
02d7f589
KE
248}
249
b7802c5c 250int lifebook_detect(struct psmouse *psmouse, bool set_properties)
02d7f589 251{
7705d548 252 if (!lifebook_present)
02d7f589
KE
253 return -1;
254
e7afcd1b
DT
255 if (desired_serio_phys &&
256 strcmp(psmouse->ps2dev.serio->phys, desired_serio_phys))
257 return -1;
258
02d7f589 259 if (set_properties) {
a15d60f8
DT
260 psmouse->vendor = "Fujitsu";
261 psmouse->name = "Lifebook TouchScreen";
02d7f589
KE
262 }
263
a15d60f8 264 return 0;
02d7f589 265}
a15d60f8 266
2ebdcc61
DT
267static int lifebook_create_relative_device(struct psmouse *psmouse)
268{
269 struct input_dev *dev2;
270 struct lifebook_data *priv;
271 int error = -ENOMEM;
272
273 priv = kzalloc(sizeof(struct lifebook_data), GFP_KERNEL);
274 dev2 = input_allocate_device();
275 if (!priv || !dev2)
276 goto err_out;
277
278 priv->dev2 = dev2;
279 snprintf(priv->phys, sizeof(priv->phys),
280 "%s/input1", psmouse->ps2dev.serio->phys);
281
282 dev2->phys = priv->phys;
283 dev2->name = "PS/2 Touchpad";
284 dev2->id.bustype = BUS_I8042;
285 dev2->id.vendor = 0x0002;
286 dev2->id.product = PSMOUSE_LIFEBOOK;
287 dev2->id.version = 0x0000;
288 dev2->dev.parent = &psmouse->ps2dev.serio->dev;
289
7b19ada2
JS
290 dev2->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
291 dev2->relbit[BIT_WORD(REL_X)] = BIT_MASK(REL_X) | BIT_MASK(REL_Y);
0cc1770b
DT
292 dev2->keybit[BIT_WORD(BTN_LEFT)] =
293 BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_RIGHT);
2ebdcc61
DT
294
295 error = input_register_device(priv->dev2);
296 if (error)
297 goto err_out;
298
299 psmouse->private = priv;
300 return 0;
301
302 err_out:
303 input_free_device(dev2);
304 kfree(priv);
305 return error;
306}
307
a15d60f8
DT
308int lifebook_init(struct psmouse *psmouse)
309{
2ebdcc61 310 struct input_dev *dev1 = psmouse->dev;
62e729b6 311 int max_coord = lifebook_use_6byte_proto ? 4096 : 1024;
2e5b636b 312
a15d60f8
DT
313 if (lifebook_absolute_mode(psmouse))
314 return -1;
315
7b19ada2 316 dev1->evbit[0] = BIT_MASK(EV_ABS) | BIT_MASK(EV_KEY);
2ebdcc61 317 dev1->relbit[0] = 0;
0cc1770b 318 dev1->keybit[BIT_WORD(BTN_MOUSE)] = 0;
7b19ada2 319 dev1->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
2ebdcc61
DT
320 input_set_abs_params(dev1, ABS_X, 0, max_coord, 0, 0);
321 input_set_abs_params(dev1, ABS_Y, 0, max_coord, 0, 0);
322
323 if (!desired_serio_phys) {
324 if (lifebook_create_relative_device(psmouse)) {
325 lifebook_relative_mode(psmouse);
326 return -1;
327 }
328 }
a15d60f8
DT
329
330 psmouse->protocol_handler = lifebook_process_byte;
a913829e 331 psmouse->set_resolution = lifebook_set_resolution;
a15d60f8
DT
332 psmouse->disconnect = lifebook_disconnect;
333 psmouse->reconnect = lifebook_absolute_mode;
1b118799 334
2ebdcc61
DT
335 psmouse->model = lifebook_use_6byte_proto ? 6 : 3;
336
1b118799
DT
337 /*
338 * Use packet size = 3 even when using 6-byte protocol because
339 * that's what POLL will return on Lifebooks (according to spec).
340 */
a15d60f8
DT
341 psmouse->pktsize = 3;
342
343 return 0;
344}
345