Commit | Line | Data |
---|---|---|
fc69f4a6 TL |
1 | /*- |
2 | * Finger Sensing Pad PS/2 mouse driver. | |
3 | * | |
4 | * Copyright (C) 2005-2007 Asia Vital Components Co., Ltd. | |
a4c85075 | 5 | * Copyright (C) 2005-2012 Tai-hwa Liang, Sentelic Corporation. |
fc69f4a6 TL |
6 | * |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License | |
9 | * as published by the Free Software Foundation; either version 2 | |
10 | * of the License, or (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
20 | */ | |
21 | ||
22 | #include <linux/module.h> | |
fc69f4a6 | 23 | #include <linux/input.h> |
a4c85075 | 24 | #include <linux/input/mt.h> |
fc69f4a6 TL |
25 | #include <linux/ctype.h> |
26 | #include <linux/libps2.h> | |
27 | #include <linux/serio.h> | |
28 | #include <linux/jiffies.h> | |
5a0e3ad6 | 29 | #include <linux/slab.h> |
fc69f4a6 TL |
30 | |
31 | #include "psmouse.h" | |
32 | #include "sentelic.h" | |
33 | ||
34 | /* | |
35 | * Timeout for FSP PS/2 command only (in milliseconds). | |
36 | */ | |
37 | #define FSP_CMD_TIMEOUT 200 | |
38 | #define FSP_CMD_TIMEOUT2 30 | |
39 | ||
727f9b48 OS |
40 | #define GET_ABS_X(packet) ((packet[1] << 2) | ((packet[3] >> 2) & 0x03)) |
41 | #define GET_ABS_Y(packet) ((packet[2] << 2) | (packet[3] & 0x03)) | |
42 | ||
fc69f4a6 | 43 | /** Driver version. */ |
d3132c5c | 44 | static const char fsp_drv_ver[] = "1.1.0-K"; |
fc69f4a6 TL |
45 | |
46 | /* | |
47 | * Make sure that the value being sent to FSP will not conflict with | |
48 | * possible sample rate values. | |
49 | */ | |
50 | static unsigned char fsp_test_swap_cmd(unsigned char reg_val) | |
51 | { | |
52 | switch (reg_val) { | |
53 | case 10: case 20: case 40: case 60: case 80: case 100: case 200: | |
54 | /* | |
55 | * The requested value being sent to FSP matched to possible | |
56 | * sample rates, swap the given value such that the hardware | |
57 | * wouldn't get confused. | |
58 | */ | |
59 | return (reg_val >> 4) | (reg_val << 4); | |
60 | default: | |
61 | return reg_val; /* swap isn't necessary */ | |
62 | } | |
63 | } | |
64 | ||
65 | /* | |
66 | * Make sure that the value being sent to FSP will not conflict with certain | |
67 | * commands. | |
68 | */ | |
69 | static unsigned char fsp_test_invert_cmd(unsigned char reg_val) | |
70 | { | |
71 | switch (reg_val) { | |
72 | case 0xe9: case 0xee: case 0xf2: case 0xff: | |
73 | /* | |
74 | * The requested value being sent to FSP matched to certain | |
75 | * commands, inverse the given value such that the hardware | |
76 | * wouldn't get confused. | |
77 | */ | |
78 | return ~reg_val; | |
79 | default: | |
80 | return reg_val; /* inversion isn't necessary */ | |
81 | } | |
82 | } | |
83 | ||
84 | static int fsp_reg_read(struct psmouse *psmouse, int reg_addr, int *reg_val) | |
85 | { | |
86 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
87 | unsigned char param[3]; | |
88 | unsigned char addr; | |
89 | int rc = -1; | |
90 | ||
91 | /* | |
92 | * We need to shut off the device and switch it into command | |
93 | * mode so we don't confuse our protocol handler. We don't need | |
94 | * to do that for writes because sysfs set helper does this for | |
95 | * us. | |
96 | */ | |
c35c0e7d | 97 | psmouse_deactivate(psmouse); |
181d683d DT |
98 | |
99 | ps2_begin_command(ps2dev); | |
fc69f4a6 TL |
100 | |
101 | if (ps2_sendbyte(ps2dev, 0xf3, FSP_CMD_TIMEOUT) < 0) | |
102 | goto out; | |
103 | ||
104 | /* should return 0xfe(request for resending) */ | |
105 | ps2_sendbyte(ps2dev, 0x66, FSP_CMD_TIMEOUT2); | |
106 | /* should return 0xfc(failed) */ | |
107 | ps2_sendbyte(ps2dev, 0x88, FSP_CMD_TIMEOUT2); | |
108 | ||
109 | if (ps2_sendbyte(ps2dev, 0xf3, FSP_CMD_TIMEOUT) < 0) | |
110 | goto out; | |
111 | ||
112 | if ((addr = fsp_test_invert_cmd(reg_addr)) != reg_addr) { | |
113 | ps2_sendbyte(ps2dev, 0x68, FSP_CMD_TIMEOUT2); | |
114 | } else if ((addr = fsp_test_swap_cmd(reg_addr)) != reg_addr) { | |
115 | /* swapping is required */ | |
116 | ps2_sendbyte(ps2dev, 0xcc, FSP_CMD_TIMEOUT2); | |
117 | /* expect 0xfe */ | |
118 | } else { | |
119 | /* swapping isn't necessary */ | |
120 | ps2_sendbyte(ps2dev, 0x66, FSP_CMD_TIMEOUT2); | |
121 | /* expect 0xfe */ | |
122 | } | |
123 | /* should return 0xfc(failed) */ | |
124 | ps2_sendbyte(ps2dev, addr, FSP_CMD_TIMEOUT); | |
125 | ||
126 | if (__ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO) < 0) | |
127 | goto out; | |
128 | ||
129 | *reg_val = param[2]; | |
130 | rc = 0; | |
131 | ||
132 | out: | |
181d683d | 133 | ps2_end_command(ps2dev); |
c35c0e7d | 134 | psmouse_activate(psmouse); |
3ac1780f TL |
135 | psmouse_dbg(psmouse, |
136 | "READ REG: 0x%02x is 0x%02x (rc = %d)\n", | |
137 | reg_addr, *reg_val, rc); | |
fc69f4a6 TL |
138 | return rc; |
139 | } | |
140 | ||
141 | static int fsp_reg_write(struct psmouse *psmouse, int reg_addr, int reg_val) | |
142 | { | |
143 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
144 | unsigned char v; | |
145 | int rc = -1; | |
146 | ||
181d683d | 147 | ps2_begin_command(ps2dev); |
fc69f4a6 TL |
148 | |
149 | if (ps2_sendbyte(ps2dev, 0xf3, FSP_CMD_TIMEOUT) < 0) | |
150 | goto out; | |
151 | ||
152 | if ((v = fsp_test_invert_cmd(reg_addr)) != reg_addr) { | |
153 | /* inversion is required */ | |
154 | ps2_sendbyte(ps2dev, 0x74, FSP_CMD_TIMEOUT2); | |
155 | } else { | |
156 | if ((v = fsp_test_swap_cmd(reg_addr)) != reg_addr) { | |
157 | /* swapping is required */ | |
158 | ps2_sendbyte(ps2dev, 0x77, FSP_CMD_TIMEOUT2); | |
159 | } else { | |
160 | /* swapping isn't necessary */ | |
161 | ps2_sendbyte(ps2dev, 0x55, FSP_CMD_TIMEOUT2); | |
162 | } | |
163 | } | |
164 | /* write the register address in correct order */ | |
165 | ps2_sendbyte(ps2dev, v, FSP_CMD_TIMEOUT2); | |
166 | ||
167 | if (ps2_sendbyte(ps2dev, 0xf3, FSP_CMD_TIMEOUT) < 0) | |
d9bae67a | 168 | goto out; |
fc69f4a6 TL |
169 | |
170 | if ((v = fsp_test_invert_cmd(reg_val)) != reg_val) { | |
171 | /* inversion is required */ | |
172 | ps2_sendbyte(ps2dev, 0x47, FSP_CMD_TIMEOUT2); | |
173 | } else if ((v = fsp_test_swap_cmd(reg_val)) != reg_val) { | |
174 | /* swapping is required */ | |
175 | ps2_sendbyte(ps2dev, 0x44, FSP_CMD_TIMEOUT2); | |
176 | } else { | |
177 | /* swapping isn't necessary */ | |
178 | ps2_sendbyte(ps2dev, 0x33, FSP_CMD_TIMEOUT2); | |
179 | } | |
180 | ||
181 | /* write the register value in correct order */ | |
182 | ps2_sendbyte(ps2dev, v, FSP_CMD_TIMEOUT2); | |
183 | rc = 0; | |
184 | ||
185 | out: | |
181d683d | 186 | ps2_end_command(ps2dev); |
3ac1780f TL |
187 | psmouse_dbg(psmouse, |
188 | "WRITE REG: 0x%02x to 0x%02x (rc = %d)\n", | |
189 | reg_addr, reg_val, rc); | |
fc69f4a6 TL |
190 | return rc; |
191 | } | |
192 | ||
193 | /* Enable register clock gating for writing certain registers */ | |
194 | static int fsp_reg_write_enable(struct psmouse *psmouse, bool enable) | |
195 | { | |
196 | int v, nv; | |
197 | ||
198 | if (fsp_reg_read(psmouse, FSP_REG_SYSCTL1, &v) == -1) | |
199 | return -1; | |
200 | ||
201 | if (enable) | |
202 | nv = v | FSP_BIT_EN_REG_CLK; | |
203 | else | |
204 | nv = v & ~FSP_BIT_EN_REG_CLK; | |
205 | ||
206 | /* only write if necessary */ | |
207 | if (nv != v) | |
208 | if (fsp_reg_write(psmouse, FSP_REG_SYSCTL1, nv) == -1) | |
209 | return -1; | |
210 | ||
211 | return 0; | |
212 | } | |
213 | ||
214 | static int fsp_page_reg_read(struct psmouse *psmouse, int *reg_val) | |
215 | { | |
216 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
217 | unsigned char param[3]; | |
218 | int rc = -1; | |
219 | ||
c35c0e7d | 220 | psmouse_deactivate(psmouse); |
181d683d DT |
221 | |
222 | ps2_begin_command(ps2dev); | |
fc69f4a6 TL |
223 | |
224 | if (ps2_sendbyte(ps2dev, 0xf3, FSP_CMD_TIMEOUT) < 0) | |
225 | goto out; | |
226 | ||
227 | ps2_sendbyte(ps2dev, 0x66, FSP_CMD_TIMEOUT2); | |
228 | ps2_sendbyte(ps2dev, 0x88, FSP_CMD_TIMEOUT2); | |
229 | ||
230 | if (ps2_sendbyte(ps2dev, 0xf3, FSP_CMD_TIMEOUT) < 0) | |
231 | goto out; | |
232 | ||
233 | ps2_sendbyte(ps2dev, 0x83, FSP_CMD_TIMEOUT2); | |
234 | ps2_sendbyte(ps2dev, 0x88, FSP_CMD_TIMEOUT2); | |
235 | ||
236 | /* get the returned result */ | |
237 | if (__ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) | |
238 | goto out; | |
239 | ||
240 | *reg_val = param[2]; | |
241 | rc = 0; | |
242 | ||
243 | out: | |
181d683d | 244 | ps2_end_command(ps2dev); |
c35c0e7d | 245 | psmouse_activate(psmouse); |
3ac1780f TL |
246 | psmouse_dbg(psmouse, |
247 | "READ PAGE REG: 0x%02x (rc = %d)\n", | |
248 | *reg_val, rc); | |
fc69f4a6 TL |
249 | return rc; |
250 | } | |
251 | ||
252 | static int fsp_page_reg_write(struct psmouse *psmouse, int reg_val) | |
253 | { | |
254 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
255 | unsigned char v; | |
256 | int rc = -1; | |
257 | ||
181d683d | 258 | ps2_begin_command(ps2dev); |
fc69f4a6 TL |
259 | |
260 | if (ps2_sendbyte(ps2dev, 0xf3, FSP_CMD_TIMEOUT) < 0) | |
261 | goto out; | |
262 | ||
263 | ps2_sendbyte(ps2dev, 0x38, FSP_CMD_TIMEOUT2); | |
264 | ps2_sendbyte(ps2dev, 0x88, FSP_CMD_TIMEOUT2); | |
265 | ||
266 | if (ps2_sendbyte(ps2dev, 0xf3, FSP_CMD_TIMEOUT) < 0) | |
d9bae67a | 267 | goto out; |
fc69f4a6 TL |
268 | |
269 | if ((v = fsp_test_invert_cmd(reg_val)) != reg_val) { | |
270 | ps2_sendbyte(ps2dev, 0x47, FSP_CMD_TIMEOUT2); | |
271 | } else if ((v = fsp_test_swap_cmd(reg_val)) != reg_val) { | |
272 | /* swapping is required */ | |
273 | ps2_sendbyte(ps2dev, 0x44, FSP_CMD_TIMEOUT2); | |
274 | } else { | |
275 | /* swapping isn't necessary */ | |
276 | ps2_sendbyte(ps2dev, 0x33, FSP_CMD_TIMEOUT2); | |
277 | } | |
278 | ||
279 | ps2_sendbyte(ps2dev, v, FSP_CMD_TIMEOUT2); | |
280 | rc = 0; | |
281 | ||
282 | out: | |
181d683d | 283 | ps2_end_command(ps2dev); |
3ac1780f TL |
284 | psmouse_dbg(psmouse, |
285 | "WRITE PAGE REG: to 0x%02x (rc = %d)\n", | |
286 | reg_val, rc); | |
fc69f4a6 TL |
287 | return rc; |
288 | } | |
289 | ||
290 | static int fsp_get_version(struct psmouse *psmouse, int *version) | |
291 | { | |
292 | if (fsp_reg_read(psmouse, FSP_REG_VERSION, version)) | |
293 | return -EIO; | |
294 | ||
295 | return 0; | |
296 | } | |
297 | ||
298 | static int fsp_get_revision(struct psmouse *psmouse, int *rev) | |
299 | { | |
300 | if (fsp_reg_read(psmouse, FSP_REG_REVISION, rev)) | |
301 | return -EIO; | |
302 | ||
303 | return 0; | |
304 | } | |
305 | ||
d3132c5c TL |
306 | static int fsp_get_sn(struct psmouse *psmouse, int *sn) |
307 | { | |
308 | int v0, v1, v2; | |
309 | int rc = -EIO; | |
310 | ||
311 | /* production number since Cx is available at: 0x0b40 ~ 0x0b42 */ | |
312 | if (fsp_page_reg_write(psmouse, FSP_PAGE_0B)) | |
313 | goto out; | |
314 | if (fsp_reg_read(psmouse, FSP_REG_SN0, &v0)) | |
315 | goto out; | |
316 | if (fsp_reg_read(psmouse, FSP_REG_SN1, &v1)) | |
317 | goto out; | |
318 | if (fsp_reg_read(psmouse, FSP_REG_SN2, &v2)) | |
319 | goto out; | |
320 | *sn = (v0 << 16) | (v1 << 8) | v2; | |
321 | rc = 0; | |
322 | out: | |
323 | fsp_page_reg_write(psmouse, FSP_PAGE_DEFAULT); | |
324 | return rc; | |
325 | } | |
326 | ||
fc69f4a6 TL |
327 | static int fsp_get_buttons(struct psmouse *psmouse, int *btn) |
328 | { | |
329 | static const int buttons[] = { | |
330 | 0x16, /* Left/Middle/Right/Forward/Backward & Scroll Up/Down */ | |
331 | 0x06, /* Left/Middle/Right & Scroll Up/Down/Right/Left */ | |
332 | 0x04, /* Left/Middle/Right & Scroll Up/Down */ | |
333 | 0x02, /* Left/Middle/Right */ | |
334 | }; | |
335 | int val; | |
336 | ||
6ccbcf2c | 337 | if (fsp_reg_read(psmouse, FSP_REG_TMOD_STATUS, &val) == -1) |
fc69f4a6 TL |
338 | return -EIO; |
339 | ||
340 | *btn = buttons[(val & 0x30) >> 4]; | |
341 | return 0; | |
342 | } | |
343 | ||
344 | /* Enable on-pad command tag output */ | |
345 | static int fsp_opc_tag_enable(struct psmouse *psmouse, bool enable) | |
346 | { | |
347 | int v, nv; | |
348 | int res = 0; | |
349 | ||
350 | if (fsp_reg_read(psmouse, FSP_REG_OPC_QDOWN, &v) == -1) { | |
3ac1780f | 351 | psmouse_err(psmouse, "Unable get OPC state.\n"); |
fc69f4a6 TL |
352 | return -EIO; |
353 | } | |
354 | ||
355 | if (enable) | |
356 | nv = v | FSP_BIT_EN_OPC_TAG; | |
357 | else | |
358 | nv = v & ~FSP_BIT_EN_OPC_TAG; | |
359 | ||
360 | /* only write if necessary */ | |
361 | if (nv != v) { | |
362 | fsp_reg_write_enable(psmouse, true); | |
363 | res = fsp_reg_write(psmouse, FSP_REG_OPC_QDOWN, nv); | |
364 | fsp_reg_write_enable(psmouse, false); | |
365 | } | |
366 | ||
367 | if (res != 0) { | |
3ac1780f | 368 | psmouse_err(psmouse, "Unable to enable OPC tag.\n"); |
fc69f4a6 TL |
369 | res = -EIO; |
370 | } | |
371 | ||
372 | return res; | |
373 | } | |
374 | ||
375 | static int fsp_onpad_vscr(struct psmouse *psmouse, bool enable) | |
376 | { | |
377 | struct fsp_data *pad = psmouse->private; | |
378 | int val; | |
379 | ||
380 | if (fsp_reg_read(psmouse, FSP_REG_ONPAD_CTL, &val)) | |
381 | return -EIO; | |
382 | ||
383 | pad->vscroll = enable; | |
384 | ||
385 | if (enable) | |
386 | val |= (FSP_BIT_FIX_VSCR | FSP_BIT_ONPAD_ENABLE); | |
387 | else | |
388 | val &= ~FSP_BIT_FIX_VSCR; | |
389 | ||
390 | if (fsp_reg_write(psmouse, FSP_REG_ONPAD_CTL, val)) | |
391 | return -EIO; | |
392 | ||
393 | return 0; | |
394 | } | |
395 | ||
396 | static int fsp_onpad_hscr(struct psmouse *psmouse, bool enable) | |
397 | { | |
398 | struct fsp_data *pad = psmouse->private; | |
399 | int val, v2; | |
400 | ||
401 | if (fsp_reg_read(psmouse, FSP_REG_ONPAD_CTL, &val)) | |
402 | return -EIO; | |
403 | ||
404 | if (fsp_reg_read(psmouse, FSP_REG_SYSCTL5, &v2)) | |
405 | return -EIO; | |
406 | ||
407 | pad->hscroll = enable; | |
408 | ||
409 | if (enable) { | |
410 | val |= (FSP_BIT_FIX_HSCR | FSP_BIT_ONPAD_ENABLE); | |
411 | v2 |= FSP_BIT_EN_MSID6; | |
412 | } else { | |
413 | val &= ~FSP_BIT_FIX_HSCR; | |
414 | v2 &= ~(FSP_BIT_EN_MSID6 | FSP_BIT_EN_MSID7 | FSP_BIT_EN_MSID8); | |
415 | } | |
416 | ||
417 | if (fsp_reg_write(psmouse, FSP_REG_ONPAD_CTL, val)) | |
418 | return -EIO; | |
419 | ||
420 | /* reconfigure horizontal scrolling packet output */ | |
421 | if (fsp_reg_write(psmouse, FSP_REG_SYSCTL5, v2)) | |
422 | return -EIO; | |
423 | ||
424 | return 0; | |
425 | } | |
426 | ||
427 | /* | |
428 | * Write device specific initial parameters. | |
429 | * | |
430 | * ex: 0xab 0xcd - write oxcd into register 0xab | |
431 | */ | |
432 | static ssize_t fsp_attr_set_setreg(struct psmouse *psmouse, void *data, | |
433 | const char *buf, size_t count) | |
434 | { | |
9c8f5579 | 435 | unsigned int reg, val; |
fc69f4a6 TL |
436 | char *rest; |
437 | ssize_t retval; | |
438 | ||
439 | reg = simple_strtoul(buf, &rest, 16); | |
440 | if (rest == buf || *rest != ' ' || reg > 0xff) | |
441 | return -EINVAL; | |
442 | ||
9c8f5579 | 443 | retval = kstrtouint(rest + 1, 16, &val); |
76496e7a JD |
444 | if (retval) |
445 | return retval; | |
446 | ||
447 | if (val > 0xff) | |
fc69f4a6 TL |
448 | return -EINVAL; |
449 | ||
450 | if (fsp_reg_write_enable(psmouse, true)) | |
451 | return -EIO; | |
452 | ||
453 | retval = fsp_reg_write(psmouse, reg, val) < 0 ? -EIO : count; | |
454 | ||
455 | fsp_reg_write_enable(psmouse, false); | |
456 | ||
457 | return count; | |
458 | } | |
459 | ||
460 | PSMOUSE_DEFINE_WO_ATTR(setreg, S_IWUSR, NULL, fsp_attr_set_setreg); | |
461 | ||
462 | static ssize_t fsp_attr_show_getreg(struct psmouse *psmouse, | |
463 | void *data, char *buf) | |
464 | { | |
465 | struct fsp_data *pad = psmouse->private; | |
466 | ||
467 | return sprintf(buf, "%02x%02x\n", pad->last_reg, pad->last_val); | |
468 | } | |
469 | ||
470 | /* | |
471 | * Read a register from device. | |
472 | * | |
473 | * ex: 0xab -- read content from register 0xab | |
474 | */ | |
475 | static ssize_t fsp_attr_set_getreg(struct psmouse *psmouse, void *data, | |
476 | const char *buf, size_t count) | |
477 | { | |
478 | struct fsp_data *pad = psmouse->private; | |
9c8f5579 DC |
479 | unsigned int reg, val; |
480 | int err; | |
76496e7a | 481 | |
9c8f5579 | 482 | err = kstrtouint(buf, 16, ®); |
76496e7a JD |
483 | if (err) |
484 | return err; | |
fc69f4a6 | 485 | |
76496e7a | 486 | if (reg > 0xff) |
fc69f4a6 TL |
487 | return -EINVAL; |
488 | ||
489 | if (fsp_reg_read(psmouse, reg, &val)) | |
490 | return -EIO; | |
491 | ||
492 | pad->last_reg = reg; | |
493 | pad->last_val = val; | |
494 | ||
495 | return count; | |
496 | } | |
497 | ||
498 | PSMOUSE_DEFINE_ATTR(getreg, S_IWUSR | S_IRUGO, NULL, | |
499 | fsp_attr_show_getreg, fsp_attr_set_getreg); | |
500 | ||
501 | static ssize_t fsp_attr_show_pagereg(struct psmouse *psmouse, | |
502 | void *data, char *buf) | |
503 | { | |
504 | int val = 0; | |
505 | ||
506 | if (fsp_page_reg_read(psmouse, &val)) | |
507 | return -EIO; | |
508 | ||
509 | return sprintf(buf, "%02x\n", val); | |
510 | } | |
511 | ||
512 | static ssize_t fsp_attr_set_pagereg(struct psmouse *psmouse, void *data, | |
513 | const char *buf, size_t count) | |
514 | { | |
9c8f5579 DC |
515 | unsigned int val; |
516 | int err; | |
fc69f4a6 | 517 | |
9c8f5579 | 518 | err = kstrtouint(buf, 16, &val); |
76496e7a JD |
519 | if (err) |
520 | return err; | |
521 | ||
522 | if (val > 0xff) | |
fc69f4a6 TL |
523 | return -EINVAL; |
524 | ||
525 | if (fsp_page_reg_write(psmouse, val)) | |
526 | return -EIO; | |
527 | ||
528 | return count; | |
529 | } | |
530 | ||
531 | PSMOUSE_DEFINE_ATTR(page, S_IWUSR | S_IRUGO, NULL, | |
532 | fsp_attr_show_pagereg, fsp_attr_set_pagereg); | |
533 | ||
534 | static ssize_t fsp_attr_show_vscroll(struct psmouse *psmouse, | |
535 | void *data, char *buf) | |
536 | { | |
537 | struct fsp_data *pad = psmouse->private; | |
538 | ||
539 | return sprintf(buf, "%d\n", pad->vscroll); | |
540 | } | |
541 | ||
542 | static ssize_t fsp_attr_set_vscroll(struct psmouse *psmouse, void *data, | |
543 | const char *buf, size_t count) | |
544 | { | |
76496e7a JD |
545 | unsigned int val; |
546 | int err; | |
547 | ||
548 | err = kstrtouint(buf, 10, &val); | |
549 | if (err) | |
550 | return err; | |
fc69f4a6 | 551 | |
76496e7a | 552 | if (val > 1) |
fc69f4a6 TL |
553 | return -EINVAL; |
554 | ||
555 | fsp_onpad_vscr(psmouse, val); | |
556 | ||
557 | return count; | |
558 | } | |
559 | ||
560 | PSMOUSE_DEFINE_ATTR(vscroll, S_IWUSR | S_IRUGO, NULL, | |
561 | fsp_attr_show_vscroll, fsp_attr_set_vscroll); | |
562 | ||
563 | static ssize_t fsp_attr_show_hscroll(struct psmouse *psmouse, | |
564 | void *data, char *buf) | |
565 | { | |
566 | struct fsp_data *pad = psmouse->private; | |
567 | ||
568 | return sprintf(buf, "%d\n", pad->hscroll); | |
569 | } | |
570 | ||
571 | static ssize_t fsp_attr_set_hscroll(struct psmouse *psmouse, void *data, | |
572 | const char *buf, size_t count) | |
573 | { | |
76496e7a JD |
574 | unsigned int val; |
575 | int err; | |
576 | ||
577 | err = kstrtouint(buf, 10, &val); | |
578 | if (err) | |
579 | return err; | |
fc69f4a6 | 580 | |
76496e7a | 581 | if (val > 1) |
fc69f4a6 TL |
582 | return -EINVAL; |
583 | ||
584 | fsp_onpad_hscr(psmouse, val); | |
585 | ||
586 | return count; | |
587 | } | |
588 | ||
589 | PSMOUSE_DEFINE_ATTR(hscroll, S_IWUSR | S_IRUGO, NULL, | |
590 | fsp_attr_show_hscroll, fsp_attr_set_hscroll); | |
591 | ||
592 | static ssize_t fsp_attr_show_flags(struct psmouse *psmouse, | |
593 | void *data, char *buf) | |
594 | { | |
595 | struct fsp_data *pad = psmouse->private; | |
596 | ||
597 | return sprintf(buf, "%c\n", | |
598 | pad->flags & FSPDRV_FLAG_EN_OPC ? 'C' : 'c'); | |
599 | } | |
600 | ||
601 | static ssize_t fsp_attr_set_flags(struct psmouse *psmouse, void *data, | |
602 | const char *buf, size_t count) | |
603 | { | |
604 | struct fsp_data *pad = psmouse->private; | |
605 | size_t i; | |
606 | ||
607 | for (i = 0; i < count; i++) { | |
608 | switch (buf[i]) { | |
609 | case 'C': | |
610 | pad->flags |= FSPDRV_FLAG_EN_OPC; | |
611 | break; | |
612 | case 'c': | |
613 | pad->flags &= ~FSPDRV_FLAG_EN_OPC; | |
614 | break; | |
615 | default: | |
616 | return -EINVAL; | |
617 | } | |
618 | } | |
619 | return count; | |
620 | } | |
621 | ||
622 | PSMOUSE_DEFINE_ATTR(flags, S_IWUSR | S_IRUGO, NULL, | |
623 | fsp_attr_show_flags, fsp_attr_set_flags); | |
624 | ||
625 | static ssize_t fsp_attr_show_ver(struct psmouse *psmouse, | |
626 | void *data, char *buf) | |
627 | { | |
628 | return sprintf(buf, "Sentelic FSP kernel module %s\n", fsp_drv_ver); | |
629 | } | |
630 | ||
631 | PSMOUSE_DEFINE_RO_ATTR(ver, S_IRUGO, NULL, fsp_attr_show_ver); | |
632 | ||
633 | static struct attribute *fsp_attributes[] = { | |
634 | &psmouse_attr_setreg.dattr.attr, | |
635 | &psmouse_attr_getreg.dattr.attr, | |
636 | &psmouse_attr_page.dattr.attr, | |
637 | &psmouse_attr_vscroll.dattr.attr, | |
638 | &psmouse_attr_hscroll.dattr.attr, | |
639 | &psmouse_attr_flags.dattr.attr, | |
640 | &psmouse_attr_ver.dattr.attr, | |
641 | NULL | |
642 | }; | |
643 | ||
644 | static struct attribute_group fsp_attribute_group = { | |
645 | .attrs = fsp_attributes, | |
646 | }; | |
647 | ||
727f9b48 OS |
648 | #ifdef FSP_DEBUG |
649 | static void fsp_packet_debug(struct psmouse *psmouse, unsigned char packet[]) | |
fc69f4a6 TL |
650 | { |
651 | static unsigned int ps2_packet_cnt; | |
652 | static unsigned int ps2_last_second; | |
653 | unsigned int jiffies_msec; | |
727f9b48 OS |
654 | const char *packet_type = "UNKNOWN"; |
655 | unsigned short abs_x = 0, abs_y = 0; | |
656 | ||
657 | /* Interpret & dump the packet data. */ | |
658 | switch (packet[0] >> FSP_PKT_TYPE_SHIFT) { | |
659 | case FSP_PKT_TYPE_ABS: | |
660 | packet_type = "Absolute"; | |
661 | abs_x = GET_ABS_X(packet); | |
662 | abs_y = GET_ABS_Y(packet); | |
663 | break; | |
664 | case FSP_PKT_TYPE_NORMAL: | |
665 | packet_type = "Normal"; | |
666 | break; | |
667 | case FSP_PKT_TYPE_NOTIFY: | |
668 | packet_type = "Notify"; | |
669 | break; | |
670 | case FSP_PKT_TYPE_NORMAL_OPC: | |
671 | packet_type = "Normal-OPC"; | |
672 | break; | |
673 | } | |
fc69f4a6 TL |
674 | |
675 | ps2_packet_cnt++; | |
676 | jiffies_msec = jiffies_to_msecs(jiffies); | |
b5d21704 | 677 | psmouse_dbg(psmouse, |
727f9b48 OS |
678 | "%08dms %s packets: %02x, %02x, %02x, %02x; " |
679 | "abs_x: %d, abs_y: %d\n", | |
680 | jiffies_msec, packet_type, | |
681 | packet[0], packet[1], packet[2], packet[3], abs_x, abs_y); | |
fc69f4a6 TL |
682 | |
683 | if (jiffies_msec - ps2_last_second > 1000) { | |
b5d21704 | 684 | psmouse_dbg(psmouse, "PS/2 packets/sec = %d\n", ps2_packet_cnt); |
fc69f4a6 TL |
685 | ps2_packet_cnt = 0; |
686 | ps2_last_second = jiffies_msec; | |
687 | } | |
688 | } | |
689 | #else | |
727f9b48 | 690 | static void fsp_packet_debug(struct psmouse *psmouse, unsigned char packet[]) |
fc69f4a6 TL |
691 | { |
692 | } | |
693 | #endif | |
694 | ||
a4c85075 TL |
695 | static void fsp_set_slot(struct input_dev *dev, int slot, bool active, |
696 | unsigned int x, unsigned int y) | |
697 | { | |
698 | input_mt_slot(dev, slot); | |
699 | input_mt_report_slot_state(dev, MT_TOOL_FINGER, active); | |
700 | if (active) { | |
701 | input_report_abs(dev, ABS_MT_POSITION_X, x); | |
702 | input_report_abs(dev, ABS_MT_POSITION_Y, y); | |
703 | } | |
704 | } | |
705 | ||
fc69f4a6 TL |
706 | static psmouse_ret_t fsp_process_byte(struct psmouse *psmouse) |
707 | { | |
708 | struct input_dev *dev = psmouse->dev; | |
709 | struct fsp_data *ad = psmouse->private; | |
710 | unsigned char *packet = psmouse->packet; | |
711 | unsigned char button_status = 0, lscroll = 0, rscroll = 0; | |
a4c85075 | 712 | unsigned short abs_x, abs_y, fgrs = 0; |
fc69f4a6 TL |
713 | int rel_x, rel_y; |
714 | ||
715 | if (psmouse->pktcnt < 4) | |
716 | return PSMOUSE_GOOD_DATA; | |
717 | ||
718 | /* | |
719 | * Full packet accumulated, process it | |
720 | */ | |
721 | ||
727f9b48 OS |
722 | fsp_packet_debug(psmouse, packet); |
723 | ||
fc69f4a6 TL |
724 | switch (psmouse->packet[0] >> FSP_PKT_TYPE_SHIFT) { |
725 | case FSP_PKT_TYPE_ABS: | |
30ebb7fa TL |
726 | |
727 | if ((packet[0] == 0x48 || packet[0] == 0x49) && | |
728 | packet[1] == 0 && packet[2] == 0) { | |
729 | /* | |
730 | * Ignore coordinate noise when finger leaving the | |
731 | * surface, otherwise cursor may jump to upper-left | |
732 | * corner. | |
733 | */ | |
734 | packet[3] &= 0xf0; | |
735 | } | |
736 | ||
727f9b48 OS |
737 | abs_x = GET_ABS_X(packet); |
738 | abs_y = GET_ABS_Y(packet); | |
a4c85075 TL |
739 | |
740 | if (packet[0] & FSP_PB0_MFMC) { | |
741 | /* | |
742 | * MFMC packet: assume that there are two fingers on | |
743 | * pad | |
744 | */ | |
745 | fgrs = 2; | |
746 | ||
747 | /* MFMC packet */ | |
748 | if (packet[0] & FSP_PB0_MFMC_FGR2) { | |
749 | /* 2nd finger */ | |
750 | if (ad->last_mt_fgr == 2) { | |
751 | /* | |
752 | * workaround for buggy firmware | |
753 | * which doesn't clear MFMC bit if | |
754 | * the 1st finger is up | |
755 | */ | |
756 | fgrs = 1; | |
757 | fsp_set_slot(dev, 0, false, 0, 0); | |
758 | } | |
759 | ad->last_mt_fgr = 2; | |
760 | ||
761 | fsp_set_slot(dev, 1, fgrs == 2, abs_x, abs_y); | |
762 | } else { | |
763 | /* 1st finger */ | |
764 | if (ad->last_mt_fgr == 1) { | |
765 | /* | |
766 | * workaround for buggy firmware | |
767 | * which doesn't clear MFMC bit if | |
768 | * the 2nd finger is up | |
769 | */ | |
770 | fgrs = 1; | |
771 | fsp_set_slot(dev, 1, false, 0, 0); | |
772 | } | |
773 | ad->last_mt_fgr = 1; | |
774 | fsp_set_slot(dev, 0, fgrs != 0, abs_x, abs_y); | |
775 | } | |
776 | } else { | |
777 | /* SFAC packet */ | |
d626dad5 OS |
778 | if ((packet[0] & (FSP_PB0_LBTN|FSP_PB0_PHY_BTN)) == |
779 | FSP_PB0_LBTN) { | |
780 | /* On-pad click in SFAC mode should be handled | |
781 | * by userspace. On-pad clicks in MFMC mode | |
782 | * are real clickpad clicks, and not ignored. | |
783 | */ | |
784 | packet[0] &= ~FSP_PB0_LBTN; | |
785 | } | |
a4c85075 TL |
786 | |
787 | /* no multi-finger information */ | |
788 | ad->last_mt_fgr = 0; | |
789 | ||
790 | if (abs_x != 0 && abs_y != 0) | |
791 | fgrs = 1; | |
792 | ||
793 | fsp_set_slot(dev, 0, fgrs > 0, abs_x, abs_y); | |
794 | fsp_set_slot(dev, 1, false, 0, 0); | |
795 | } | |
a2546165 | 796 | if (fgrs == 1 || (fgrs == 2 && !(packet[0] & FSP_PB0_MFMC_FGR2))) { |
a4c85075 TL |
797 | input_report_abs(dev, ABS_X, abs_x); |
798 | input_report_abs(dev, ABS_Y, abs_y); | |
799 | } | |
800 | input_report_key(dev, BTN_LEFT, packet[0] & 0x01); | |
801 | input_report_key(dev, BTN_RIGHT, packet[0] & 0x02); | |
802 | input_report_key(dev, BTN_TOUCH, fgrs); | |
803 | input_report_key(dev, BTN_TOOL_FINGER, fgrs == 1); | |
804 | input_report_key(dev, BTN_TOOL_DOUBLETAP, fgrs == 2); | |
fc69f4a6 TL |
805 | break; |
806 | ||
807 | case FSP_PKT_TYPE_NORMAL_OPC: | |
808 | /* on-pad click, filter it if necessary */ | |
809 | if ((ad->flags & FSPDRV_FLAG_EN_OPC) != FSPDRV_FLAG_EN_OPC) | |
7b85f73d | 810 | packet[0] &= ~FSP_PB0_LBTN; |
fc69f4a6 TL |
811 | /* fall through */ |
812 | ||
813 | case FSP_PKT_TYPE_NORMAL: | |
814 | /* normal packet */ | |
815 | /* special packet data translation from on-pad packets */ | |
816 | if (packet[3] != 0) { | |
817 | if (packet[3] & BIT(0)) | |
818 | button_status |= 0x01; /* wheel down */ | |
819 | if (packet[3] & BIT(1)) | |
820 | button_status |= 0x0f; /* wheel up */ | |
821 | if (packet[3] & BIT(2)) | |
c332e9fc | 822 | button_status |= BIT(4);/* horizontal left */ |
fc69f4a6 | 823 | if (packet[3] & BIT(3)) |
c332e9fc | 824 | button_status |= BIT(5);/* horizontal right */ |
fc69f4a6 TL |
825 | /* push back to packet queue */ |
826 | if (button_status != 0) | |
827 | packet[3] = button_status; | |
828 | rscroll = (packet[3] >> 4) & 1; | |
829 | lscroll = (packet[3] >> 5) & 1; | |
830 | } | |
831 | /* | |
832 | * Processing wheel up/down and extra button events | |
833 | */ | |
834 | input_report_rel(dev, REL_WHEEL, | |
835 | (int)(packet[3] & 8) - (int)(packet[3] & 7)); | |
836 | input_report_rel(dev, REL_HWHEEL, lscroll - rscroll); | |
837 | input_report_key(dev, BTN_BACK, lscroll); | |
838 | input_report_key(dev, BTN_FORWARD, rscroll); | |
839 | ||
840 | /* | |
841 | * Standard PS/2 Mouse | |
842 | */ | |
843 | input_report_key(dev, BTN_LEFT, packet[0] & 1); | |
844 | input_report_key(dev, BTN_MIDDLE, (packet[0] >> 2) & 1); | |
845 | input_report_key(dev, BTN_RIGHT, (packet[0] >> 1) & 1); | |
846 | ||
847 | rel_x = packet[1] ? (int)packet[1] - (int)((packet[0] << 4) & 0x100) : 0; | |
848 | rel_y = packet[2] ? (int)((packet[0] << 3) & 0x100) - (int)packet[2] : 0; | |
849 | ||
850 | input_report_rel(dev, REL_X, rel_x); | |
851 | input_report_rel(dev, REL_Y, rel_y); | |
852 | break; | |
853 | } | |
854 | ||
855 | input_sync(dev); | |
856 | ||
fc69f4a6 TL |
857 | return PSMOUSE_FULL_PACKET; |
858 | } | |
859 | ||
860 | static int fsp_activate_protocol(struct psmouse *psmouse) | |
861 | { | |
862 | struct fsp_data *pad = psmouse->private; | |
863 | struct ps2dev *ps2dev = &psmouse->ps2dev; | |
864 | unsigned char param[2]; | |
865 | int val; | |
866 | ||
867 | /* | |
868 | * Standard procedure to enter FSP Intellimouse mode | |
869 | * (scrolling wheel, 4th and 5th buttons) | |
870 | */ | |
871 | param[0] = 200; | |
872 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE); | |
873 | param[0] = 200; | |
874 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE); | |
875 | param[0] = 80; | |
876 | ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE); | |
877 | ||
878 | ps2_command(ps2dev, param, PSMOUSE_CMD_GETID); | |
879 | if (param[0] != 0x04) { | |
3ac1780f TL |
880 | psmouse_err(psmouse, |
881 | "Unable to enable 4 bytes packet format.\n"); | |
fc69f4a6 TL |
882 | return -EIO; |
883 | } | |
884 | ||
3ac1780f TL |
885 | if (pad->ver < FSP_VER_STL3888_C0) { |
886 | /* Preparing relative coordinates output for older hardware */ | |
887 | if (fsp_reg_read(psmouse, FSP_REG_SYSCTL5, &val)) { | |
888 | psmouse_err(psmouse, | |
889 | "Unable to read SYSCTL5 register.\n"); | |
890 | return -EIO; | |
891 | } | |
fc69f4a6 | 892 | |
3ac1780f TL |
893 | if (fsp_get_buttons(psmouse, &pad->buttons)) { |
894 | psmouse_err(psmouse, | |
895 | "Unable to retrieve number of buttons.\n"); | |
896 | return -EIO; | |
897 | } | |
fc69f4a6 | 898 | |
3ac1780f TL |
899 | val &= ~(FSP_BIT_EN_MSID7 | FSP_BIT_EN_MSID8 | FSP_BIT_EN_AUTO_MSID8); |
900 | /* Ensure we are not in absolute mode */ | |
901 | val &= ~FSP_BIT_EN_PKT_G0; | |
902 | if (pad->buttons == 0x06) { | |
903 | /* Left/Middle/Right & Scroll Up/Down/Right/Left */ | |
904 | val |= FSP_BIT_EN_MSID6; | |
905 | } | |
906 | ||
907 | if (fsp_reg_write(psmouse, FSP_REG_SYSCTL5, val)) { | |
908 | psmouse_err(psmouse, | |
909 | "Unable to set up required mode bits.\n"); | |
910 | return -EIO; | |
911 | } | |
912 | ||
913 | /* | |
914 | * Enable OPC tags such that driver can tell the difference | |
915 | * between on-pad and real button click | |
916 | */ | |
917 | if (fsp_opc_tag_enable(psmouse, true)) | |
918 | psmouse_warn(psmouse, | |
919 | "Failed to enable OPC tag mode.\n"); | |
920 | /* enable on-pad click by default */ | |
921 | pad->flags |= FSPDRV_FLAG_EN_OPC; | |
922 | ||
923 | /* Enable on-pad vertical and horizontal scrolling */ | |
924 | fsp_onpad_vscr(psmouse, true); | |
925 | fsp_onpad_hscr(psmouse, true); | |
a4c85075 TL |
926 | } else { |
927 | /* Enable absolute coordinates output for Cx/Dx hardware */ | |
928 | if (fsp_reg_write(psmouse, FSP_REG_SWC1, | |
929 | FSP_BIT_SWC1_EN_ABS_1F | | |
930 | FSP_BIT_SWC1_EN_ABS_2F | | |
931 | FSP_BIT_SWC1_EN_FUP_OUT | | |
932 | FSP_BIT_SWC1_EN_ABS_CON)) { | |
933 | psmouse_err(psmouse, | |
934 | "Unable to enable absolute coordinates output.\n"); | |
935 | return -EIO; | |
936 | } | |
fc69f4a6 TL |
937 | } |
938 | ||
3ac1780f TL |
939 | return 0; |
940 | } | |
941 | ||
942 | static int fsp_set_input_params(struct psmouse *psmouse) | |
943 | { | |
944 | struct input_dev *dev = psmouse->dev; | |
945 | struct fsp_data *pad = psmouse->private; | |
fc69f4a6 | 946 | |
3ac1780f TL |
947 | if (pad->ver < FSP_VER_STL3888_C0) { |
948 | __set_bit(BTN_MIDDLE, dev->keybit); | |
949 | __set_bit(BTN_BACK, dev->keybit); | |
950 | __set_bit(BTN_FORWARD, dev->keybit); | |
951 | __set_bit(REL_WHEEL, dev->relbit); | |
952 | __set_bit(REL_HWHEEL, dev->relbit); | |
a4c85075 TL |
953 | } else { |
954 | /* | |
955 | * Hardware prior to Cx performs much better in relative mode; | |
956 | * hence, only enable absolute coordinates output as well as | |
957 | * multi-touch output for the newer hardware. | |
958 | * | |
959 | * Maximum coordinates can be computed as: | |
960 | * | |
961 | * number of scanlines * 64 - 57 | |
962 | * | |
963 | * where number of X/Y scanline lines are 16/12. | |
964 | */ | |
965 | int abs_x = 967, abs_y = 711; | |
966 | ||
967 | __set_bit(EV_ABS, dev->evbit); | |
968 | __clear_bit(EV_REL, dev->evbit); | |
969 | __set_bit(BTN_TOUCH, dev->keybit); | |
970 | __set_bit(BTN_TOOL_FINGER, dev->keybit); | |
971 | __set_bit(BTN_TOOL_DOUBLETAP, dev->keybit); | |
972 | __set_bit(INPUT_PROP_SEMI_MT, dev->propbit); | |
973 | ||
974 | input_set_abs_params(dev, ABS_X, 0, abs_x, 0, 0); | |
975 | input_set_abs_params(dev, ABS_Y, 0, abs_y, 0, 0); | |
b4adbbef | 976 | input_mt_init_slots(dev, 2, 0); |
a4c85075 TL |
977 | input_set_abs_params(dev, ABS_MT_POSITION_X, 0, abs_x, 0, 0); |
978 | input_set_abs_params(dev, ABS_MT_POSITION_Y, 0, abs_y, 0, 0); | |
3ac1780f | 979 | } |
fc69f4a6 TL |
980 | |
981 | return 0; | |
982 | } | |
983 | ||
b7802c5c | 984 | int fsp_detect(struct psmouse *psmouse, bool set_properties) |
fc69f4a6 TL |
985 | { |
986 | int id; | |
987 | ||
988 | if (fsp_reg_read(psmouse, FSP_REG_DEVICE_ID, &id)) | |
989 | return -EIO; | |
990 | ||
991 | if (id != 0x01) | |
992 | return -ENODEV; | |
993 | ||
994 | if (set_properties) { | |
995 | psmouse->vendor = "Sentelic"; | |
996 | psmouse->name = "FingerSensingPad"; | |
997 | } | |
998 | ||
999 | return 0; | |
1000 | } | |
1001 | ||
1002 | static void fsp_reset(struct psmouse *psmouse) | |
1003 | { | |
1004 | fsp_opc_tag_enable(psmouse, false); | |
1005 | fsp_onpad_vscr(psmouse, false); | |
1006 | fsp_onpad_hscr(psmouse, false); | |
1007 | } | |
1008 | ||
1009 | static void fsp_disconnect(struct psmouse *psmouse) | |
1010 | { | |
1011 | sysfs_remove_group(&psmouse->ps2dev.serio->dev.kobj, | |
1012 | &fsp_attribute_group); | |
1013 | ||
1014 | fsp_reset(psmouse); | |
1015 | kfree(psmouse->private); | |
1016 | } | |
1017 | ||
1018 | static int fsp_reconnect(struct psmouse *psmouse) | |
1019 | { | |
1020 | int version; | |
1021 | ||
1022 | if (fsp_detect(psmouse, 0)) | |
1023 | return -ENODEV; | |
1024 | ||
1025 | if (fsp_get_version(psmouse, &version)) | |
1026 | return -ENODEV; | |
1027 | ||
1028 | if (fsp_activate_protocol(psmouse)) | |
1029 | return -EIO; | |
1030 | ||
1031 | return 0; | |
1032 | } | |
1033 | ||
1034 | int fsp_init(struct psmouse *psmouse) | |
1035 | { | |
1036 | struct fsp_data *priv; | |
d3132c5c | 1037 | int ver, rev, sn = 0; |
fc69f4a6 TL |
1038 | int error; |
1039 | ||
1040 | if (fsp_get_version(psmouse, &ver) || | |
3ac1780f | 1041 | fsp_get_revision(psmouse, &rev)) { |
fc69f4a6 TL |
1042 | return -ENODEV; |
1043 | } | |
d3132c5c TL |
1044 | if (ver >= FSP_VER_STL3888_C0) { |
1045 | /* firmware information is only available since C0 */ | |
1046 | fsp_get_sn(psmouse, &sn); | |
1047 | } | |
fc69f4a6 | 1048 | |
d3132c5c TL |
1049 | psmouse_info(psmouse, |
1050 | "Finger Sensing Pad, hw: %d.%d.%d, sn: %x, sw: %s\n", | |
1051 | ver >> 4, ver & 0x0F, rev, sn, fsp_drv_ver); | |
fc69f4a6 TL |
1052 | |
1053 | psmouse->private = priv = kzalloc(sizeof(struct fsp_data), GFP_KERNEL); | |
1054 | if (!priv) | |
1055 | return -ENOMEM; | |
1056 | ||
1057 | priv->ver = ver; | |
1058 | priv->rev = rev; | |
fc69f4a6 TL |
1059 | |
1060 | psmouse->protocol_handler = fsp_process_byte; | |
1061 | psmouse->disconnect = fsp_disconnect; | |
1062 | psmouse->reconnect = fsp_reconnect; | |
1063 | psmouse->cleanup = fsp_reset; | |
1064 | psmouse->pktsize = 4; | |
1065 | ||
fc69f4a6 TL |
1066 | error = fsp_activate_protocol(psmouse); |
1067 | if (error) | |
1068 | goto err_out; | |
1069 | ||
3ac1780f TL |
1070 | /* Set up various supported input event bits */ |
1071 | error = fsp_set_input_params(psmouse); | |
1072 | if (error) | |
1073 | goto err_out; | |
1074 | ||
fc69f4a6 TL |
1075 | error = sysfs_create_group(&psmouse->ps2dev.serio->dev.kobj, |
1076 | &fsp_attribute_group); | |
1077 | if (error) { | |
3ac1780f TL |
1078 | psmouse_err(psmouse, |
1079 | "Failed to create sysfs attributes (%d)", error); | |
fc69f4a6 TL |
1080 | goto err_out; |
1081 | } | |
1082 | ||
1083 | return 0; | |
1084 | ||
1085 | err_out: | |
1086 | kfree(psmouse->private); | |
1087 | psmouse->private = NULL; | |
1088 | return error; | |
1089 | } |