Commit | Line | Data |
---|---|---|
2874c5fd | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2562756d MO |
2 | /* |
3 | * Copyright (c) 2016 Masaki Ota <masaki.ota@jp.alps.com> | |
2562756d MO |
4 | */ |
5 | ||
6 | #include <linux/kernel.h> | |
7 | #include <linux/hid.h> | |
8 | #include <linux/input.h> | |
9 | #include <linux/input/mt.h> | |
10 | #include <linux/module.h> | |
11 | #include <asm/unaligned.h> | |
12 | #include "hid-ids.h" | |
13 | ||
14 | /* ALPS Device Product ID */ | |
15 | #define HID_PRODUCT_ID_T3_BTNLESS 0xD0C0 | |
16 | #define HID_PRODUCT_ID_COSMO 0x1202 | |
17 | #define HID_PRODUCT_ID_U1_PTP_1 0x1207 | |
18 | #define HID_PRODUCT_ID_U1 0x1209 | |
19 | #define HID_PRODUCT_ID_U1_PTP_2 0x120A | |
20 | #define HID_PRODUCT_ID_U1_DUAL 0x120B | |
21 | #define HID_PRODUCT_ID_T4_BTNLESS 0x120C | |
22 | ||
23 | #define DEV_SINGLEPOINT 0x01 | |
24 | #define DEV_DUALPOINT 0x02 | |
25 | ||
26 | #define U1_MOUSE_REPORT_ID 0x01 /* Mouse data ReportID */ | |
27 | #define U1_ABSOLUTE_REPORT_ID 0x03 /* Absolute data ReportID */ | |
28 | #define U1_FEATURE_REPORT_ID 0x05 /* Feature ReportID */ | |
29 | #define U1_SP_ABSOLUTE_REPORT_ID 0x06 /* Feature ReportID */ | |
30 | ||
31 | #define U1_FEATURE_REPORT_LEN 0x08 /* Feature Report Length */ | |
32 | #define U1_FEATURE_REPORT_LEN_ALL 0x0A | |
33 | #define U1_CMD_REGISTER_READ 0xD1 | |
34 | #define U1_CMD_REGISTER_WRITE 0xD2 | |
35 | ||
36 | #define U1_DEVTYPE_SP_SUPPORT 0x10 /* SP Support */ | |
37 | #define U1_DISABLE_DEV 0x01 | |
38 | #define U1_TP_ABS_MODE 0x02 | |
39 | #define U1_SP_ABS_MODE 0x80 | |
40 | ||
41 | #define ADDRESS_U1_DEV_CTRL_1 0x00800040 | |
42 | #define ADDRESS_U1_DEVICE_TYP 0x00800043 | |
43 | #define ADDRESS_U1_NUM_SENS_X 0x00800047 | |
44 | #define ADDRESS_U1_NUM_SENS_Y 0x00800048 | |
45 | #define ADDRESS_U1_PITCH_SENS_X 0x00800049 | |
46 | #define ADDRESS_U1_PITCH_SENS_Y 0x0080004A | |
47 | #define ADDRESS_U1_RESO_DWN_ABS 0x0080004E | |
48 | #define ADDRESS_U1_PAD_BTN 0x00800052 | |
49 | #define ADDRESS_U1_SP_BTN 0x0080009F | |
50 | ||
73196ebe MO |
51 | #define T4_INPUT_REPORT_LEN sizeof(struct t4_input_report) |
52 | #define T4_FEATURE_REPORT_LEN T4_INPUT_REPORT_LEN | |
53 | #define T4_FEATURE_REPORT_ID 7 | |
54 | #define T4_CMD_REGISTER_READ 0x08 | |
55 | #define T4_CMD_REGISTER_WRITE 0x07 | |
56 | ||
57 | #define T4_ADDRESS_BASE 0xC2C0 | |
58 | #define PRM_SYS_CONFIG_1 (T4_ADDRESS_BASE + 0x0002) | |
59 | #define T4_PRM_FEED_CONFIG_1 (T4_ADDRESS_BASE + 0x0004) | |
60 | #define T4_PRM_FEED_CONFIG_4 (T4_ADDRESS_BASE + 0x001A) | |
61 | #define T4_PRM_ID_CONFIG_3 (T4_ADDRESS_BASE + 0x00B0) | |
62 | ||
63 | ||
64 | #define T4_FEEDCFG4_ADVANCED_ABS_ENABLE 0x01 | |
65 | #define T4_I2C_ABS 0x78 | |
66 | ||
67 | #define T4_COUNT_PER_ELECTRODE 256 | |
2562756d MO |
68 | #define MAX_TOUCHES 5 |
69 | ||
73196ebe MO |
70 | enum dev_num { |
71 | U1, | |
72 | T4, | |
73 | UNKNOWN, | |
74 | }; | |
2562756d MO |
75 | /** |
76 | * struct u1_data | |
77 | * | |
78 | * @input: pointer to the kernel input device | |
79 | * @input2: pointer to the kernel input2 device | |
80 | * @hdev: pointer to the struct hid_device | |
81 | * | |
2562756d | 82 | * @dev_type: device type |
5992262d MO |
83 | * @max_fingers: total number of fingers |
84 | * @has_sp: boolean of sp existense | |
85 | * @sp_btn_info: button information | |
2562756d MO |
86 | * @x_active_len_mm: active area length of X (mm) |
87 | * @y_active_len_mm: active area length of Y (mm) | |
88 | * @x_max: maximum x coordinate value | |
89 | * @y_max: maximum y coordinate value | |
c7083d3f MO |
90 | * @x_min: minimum x coordinate value |
91 | * @y_min: minimum y coordinate value | |
2562756d MO |
92 | * @btn_cnt: number of buttons |
93 | * @sp_btn_cnt: number of stick buttons | |
94 | */ | |
73196ebe | 95 | struct alps_dev { |
2562756d MO |
96 | struct input_dev *input; |
97 | struct input_dev *input2; | |
98 | struct hid_device *hdev; | |
99 | ||
73196ebe | 100 | enum dev_num dev_type; |
5992262d MO |
101 | u8 max_fingers; |
102 | u8 has_sp; | |
2562756d MO |
103 | u8 sp_btn_info; |
104 | u32 x_active_len_mm; | |
105 | u32 y_active_len_mm; | |
106 | u32 x_max; | |
107 | u32 y_max; | |
c7083d3f MO |
108 | u32 x_min; |
109 | u32 y_min; | |
2562756d MO |
110 | u32 btn_cnt; |
111 | u32 sp_btn_cnt; | |
112 | }; | |
113 | ||
73196ebe MO |
114 | struct t4_contact_data { |
115 | u8 palm; | |
116 | u8 x_lo; | |
117 | u8 x_hi; | |
118 | u8 y_lo; | |
119 | u8 y_hi; | |
120 | }; | |
121 | ||
122 | struct t4_input_report { | |
123 | u8 reportID; | |
124 | u8 numContacts; | |
125 | struct t4_contact_data contact[5]; | |
126 | u8 button; | |
127 | u8 track[5]; | |
128 | u8 zx[5], zy[5]; | |
129 | u8 palmTime[5]; | |
130 | u8 kilroy; | |
131 | u16 timeStamp; | |
132 | }; | |
133 | ||
134 | static u16 t4_calc_check_sum(u8 *buffer, | |
135 | unsigned long offset, unsigned long length) | |
136 | { | |
137 | u16 sum1 = 0xFF, sum2 = 0xFF; | |
138 | unsigned long i = 0; | |
139 | ||
140 | if (offset + length >= 50) | |
141 | return 0; | |
142 | ||
143 | while (length > 0) { | |
144 | u32 tlen = length > 20 ? 20 : length; | |
145 | ||
146 | length -= tlen; | |
147 | ||
148 | do { | |
149 | sum1 += buffer[offset + i]; | |
150 | sum2 += sum1; | |
151 | i++; | |
152 | } while (--tlen > 0); | |
153 | ||
154 | sum1 = (sum1 & 0xFF) + (sum1 >> 8); | |
155 | sum2 = (sum2 & 0xFF) + (sum2 >> 8); | |
156 | } | |
157 | ||
158 | sum1 = (sum1 & 0xFF) + (sum1 >> 8); | |
159 | sum2 = (sum2 & 0xFF) + (sum2 >> 8); | |
160 | ||
161 | return(sum2 << 8 | sum1); | |
162 | } | |
163 | ||
164 | static int t4_read_write_register(struct hid_device *hdev, u32 address, | |
165 | u8 *read_val, u8 write_val, bool read_flag) | |
166 | { | |
167 | int ret; | |
168 | u16 check_sum; | |
169 | u8 *input; | |
edb6cb3d | 170 | u8 *readbuf = NULL; |
73196ebe MO |
171 | |
172 | input = kzalloc(T4_FEATURE_REPORT_LEN, GFP_KERNEL); | |
173 | if (!input) | |
174 | return -ENOMEM; | |
175 | ||
176 | input[0] = T4_FEATURE_REPORT_ID; | |
177 | if (read_flag) { | |
178 | input[1] = T4_CMD_REGISTER_READ; | |
179 | input[8] = 0x00; | |
180 | } else { | |
181 | input[1] = T4_CMD_REGISTER_WRITE; | |
182 | input[8] = write_val; | |
183 | } | |
184 | put_unaligned_le32(address, input + 2); | |
185 | input[6] = 1; | |
186 | input[7] = 0; | |
187 | ||
188 | /* Calculate the checksum */ | |
189 | check_sum = t4_calc_check_sum(input, 1, 8); | |
190 | input[9] = (u8)check_sum; | |
191 | input[10] = (u8)(check_sum >> 8); | |
192 | input[11] = 0; | |
193 | ||
194 | ret = hid_hw_raw_request(hdev, T4_FEATURE_REPORT_ID, input, | |
195 | T4_FEATURE_REPORT_LEN, | |
196 | HID_FEATURE_REPORT, HID_REQ_SET_REPORT); | |
197 | ||
198 | if (ret < 0) { | |
199 | dev_err(&hdev->dev, "failed to read command (%d)\n", ret); | |
200 | goto exit; | |
201 | } | |
202 | ||
73196ebe | 203 | if (read_flag) { |
edb6cb3d | 204 | readbuf = kzalloc(T4_FEATURE_REPORT_LEN, GFP_KERNEL); |
73196ebe MO |
205 | if (!readbuf) { |
206 | ret = -ENOMEM; | |
207 | goto exit; | |
208 | } | |
209 | ||
210 | ret = hid_hw_raw_request(hdev, T4_FEATURE_REPORT_ID, readbuf, | |
211 | T4_FEATURE_REPORT_LEN, | |
212 | HID_FEATURE_REPORT, HID_REQ_GET_REPORT); | |
213 | if (ret < 0) { | |
214 | dev_err(&hdev->dev, "failed read register (%d)\n", ret); | |
215 | goto exit_readbuf; | |
216 | } | |
217 | ||
605f0772 CJ |
218 | ret = -EINVAL; |
219 | ||
73196ebe MO |
220 | if (*(u32 *)&readbuf[6] != address) { |
221 | dev_err(&hdev->dev, "read register address error (%x,%x)\n", | |
a317e559 | 222 | *(u32 *)&readbuf[6], address); |
73196ebe MO |
223 | goto exit_readbuf; |
224 | } | |
225 | ||
226 | if (*(u16 *)&readbuf[10] != 1) { | |
227 | dev_err(&hdev->dev, "read register size error (%x)\n", | |
a317e559 | 228 | *(u16 *)&readbuf[10]); |
73196ebe MO |
229 | goto exit_readbuf; |
230 | } | |
231 | ||
232 | check_sum = t4_calc_check_sum(readbuf, 6, 7); | |
233 | if (*(u16 *)&readbuf[13] != check_sum) { | |
234 | dev_err(&hdev->dev, "read register checksum error (%x,%x)\n", | |
a317e559 | 235 | *(u16 *)&readbuf[13], check_sum); |
73196ebe MO |
236 | goto exit_readbuf; |
237 | } | |
238 | ||
239 | *read_val = readbuf[12]; | |
240 | } | |
241 | ||
242 | ret = 0; | |
243 | ||
244 | exit_readbuf: | |
245 | kfree(readbuf); | |
246 | exit: | |
247 | kfree(input); | |
248 | return ret; | |
249 | } | |
250 | ||
2562756d MO |
251 | static int u1_read_write_register(struct hid_device *hdev, u32 address, |
252 | u8 *read_val, u8 write_val, bool read_flag) | |
253 | { | |
254 | int ret, i; | |
255 | u8 check_sum; | |
256 | u8 *input; | |
257 | u8 *readbuf; | |
258 | ||
819d64e5 | 259 | input = kzalloc(U1_FEATURE_REPORT_LEN, GFP_KERNEL); |
2562756d MO |
260 | if (!input) |
261 | return -ENOMEM; | |
262 | ||
2562756d MO |
263 | input[0] = U1_FEATURE_REPORT_ID; |
264 | if (read_flag) { | |
265 | input[1] = U1_CMD_REGISTER_READ; | |
266 | input[6] = 0x00; | |
267 | } else { | |
268 | input[1] = U1_CMD_REGISTER_WRITE; | |
269 | input[6] = write_val; | |
270 | } | |
271 | ||
272 | put_unaligned_le32(address, input + 2); | |
273 | ||
274 | /* Calculate the checksum */ | |
275 | check_sum = U1_FEATURE_REPORT_LEN_ALL; | |
276 | for (i = 0; i < U1_FEATURE_REPORT_LEN - 1; i++) | |
277 | check_sum += input[i]; | |
278 | ||
279 | input[7] = check_sum; | |
280 | ret = hid_hw_raw_request(hdev, U1_FEATURE_REPORT_ID, input, | |
819d64e5 MO |
281 | U1_FEATURE_REPORT_LEN, |
282 | HID_FEATURE_REPORT, HID_REQ_SET_REPORT); | |
2562756d MO |
283 | |
284 | if (ret < 0) { | |
285 | dev_err(&hdev->dev, "failed to read command (%d)\n", ret); | |
286 | goto exit; | |
287 | } | |
288 | ||
289 | if (read_flag) { | |
819d64e5 MO |
290 | readbuf = kzalloc(U1_FEATURE_REPORT_LEN, GFP_KERNEL); |
291 | if (!readbuf) { | |
7ee2eaa3 AL |
292 | ret = -ENOMEM; |
293 | goto exit; | |
819d64e5 MO |
294 | } |
295 | ||
2562756d | 296 | ret = hid_hw_raw_request(hdev, U1_FEATURE_REPORT_ID, readbuf, |
819d64e5 | 297 | U1_FEATURE_REPORT_LEN, |
63b3a7d0 | 298 | HID_FEATURE_REPORT, HID_REQ_GET_REPORT); |
2562756d MO |
299 | |
300 | if (ret < 0) { | |
301 | dev_err(&hdev->dev, "failed read register (%d)\n", ret); | |
7ee2eaa3 | 302 | kfree(readbuf); |
2562756d MO |
303 | goto exit; |
304 | } | |
305 | ||
306 | *read_val = readbuf[6]; | |
819d64e5 MO |
307 | |
308 | kfree(readbuf); | |
2562756d MO |
309 | } |
310 | ||
819d64e5 | 311 | ret = 0; |
2562756d MO |
312 | |
313 | exit: | |
314 | kfree(input); | |
2562756d MO |
315 | return ret; |
316 | } | |
317 | ||
73196ebe MO |
318 | static int t4_raw_event(struct alps_dev *hdata, u8 *data, int size) |
319 | { | |
320 | unsigned int x, y, z; | |
321 | int i; | |
322 | struct t4_input_report *p_report = (struct t4_input_report *)data; | |
323 | ||
324 | if (!data) | |
325 | return 0; | |
326 | for (i = 0; i < hdata->max_fingers; i++) { | |
327 | x = p_report->contact[i].x_hi << 8 | p_report->contact[i].x_lo; | |
328 | y = p_report->contact[i].y_hi << 8 | p_report->contact[i].y_lo; | |
329 | y = hdata->y_max - y + hdata->y_min; | |
330 | z = (p_report->contact[i].palm < 0x80 && | |
331 | p_report->contact[i].palm > 0) * 62; | |
332 | if (x == 0xffff) { | |
333 | x = 0; | |
334 | y = 0; | |
335 | z = 0; | |
336 | } | |
337 | input_mt_slot(hdata->input, i); | |
338 | ||
339 | input_mt_report_slot_state(hdata->input, | |
340 | MT_TOOL_FINGER, z != 0); | |
341 | ||
342 | if (!z) | |
343 | continue; | |
344 | ||
345 | input_report_abs(hdata->input, ABS_MT_POSITION_X, x); | |
346 | input_report_abs(hdata->input, ABS_MT_POSITION_Y, y); | |
347 | input_report_abs(hdata->input, ABS_MT_PRESSURE, z); | |
348 | } | |
349 | input_mt_sync_frame(hdata->input); | |
350 | ||
351 | input_report_key(hdata->input, BTN_LEFT, p_report->button); | |
352 | ||
353 | input_sync(hdata->input); | |
354 | return 1; | |
355 | } | |
356 | ||
357 | static int u1_raw_event(struct alps_dev *hdata, u8 *data, int size) | |
2562756d | 358 | { |
819d64e5 MO |
359 | unsigned int x, y, z; |
360 | int i; | |
361 | short sp_x, sp_y; | |
2562756d | 362 | |
73196ebe MO |
363 | if (!data) |
364 | return 0; | |
2562756d MO |
365 | switch (data[0]) { |
366 | case U1_MOUSE_REPORT_ID: | |
367 | break; | |
368 | case U1_FEATURE_REPORT_ID: | |
369 | break; | |
370 | case U1_ABSOLUTE_REPORT_ID: | |
73196ebe | 371 | for (i = 0; i < hdata->max_fingers; i++) { |
819d64e5 MO |
372 | u8 *contact = &data[i * 5]; |
373 | ||
374 | x = get_unaligned_le16(contact + 3); | |
375 | y = get_unaligned_le16(contact + 5); | |
376 | z = contact[7] & 0x7F; | |
2562756d MO |
377 | |
378 | input_mt_slot(hdata->input, i); | |
379 | ||
819d64e5 | 380 | if (z != 0) { |
2562756d MO |
381 | input_mt_report_slot_state(hdata->input, |
382 | MT_TOOL_FINGER, 1); | |
9a54cf46 MO |
383 | input_report_abs(hdata->input, |
384 | ABS_MT_POSITION_X, x); | |
385 | input_report_abs(hdata->input, | |
386 | ABS_MT_POSITION_Y, y); | |
387 | input_report_abs(hdata->input, | |
388 | ABS_MT_PRESSURE, z); | |
2562756d MO |
389 | } else { |
390 | input_mt_report_slot_state(hdata->input, | |
391 | MT_TOOL_FINGER, 0); | |
2562756d | 392 | } |
2562756d MO |
393 | } |
394 | ||
395 | input_mt_sync_frame(hdata->input); | |
2562756d | 396 | |
819d64e5 MO |
397 | input_report_key(hdata->input, BTN_LEFT, |
398 | data[1] & 0x1); | |
399 | input_report_key(hdata->input, BTN_RIGHT, | |
400 | (data[1] & 0x2)); | |
401 | input_report_key(hdata->input, BTN_MIDDLE, | |
402 | (data[1] & 0x4)); | |
403 | ||
404 | input_sync(hdata->input); | |
2562756d MO |
405 | |
406 | return 1; | |
407 | ||
408 | case U1_SP_ABSOLUTE_REPORT_ID: | |
819d64e5 MO |
409 | sp_x = get_unaligned_le16(data+2); |
410 | sp_y = get_unaligned_le16(data+4); | |
2562756d MO |
411 | |
412 | sp_x = sp_x / 8; | |
413 | sp_y = sp_y / 8; | |
414 | ||
819d64e5 MO |
415 | input_report_rel(hdata->input2, REL_X, sp_x); |
416 | input_report_rel(hdata->input2, REL_Y, sp_y); | |
2562756d | 417 | |
819d64e5 MO |
418 | input_report_key(hdata->input2, BTN_LEFT, |
419 | data[1] & 0x1); | |
420 | input_report_key(hdata->input2, BTN_RIGHT, | |
421 | (data[1] & 0x2)); | |
422 | input_report_key(hdata->input2, BTN_MIDDLE, | |
423 | (data[1] & 0x4)); | |
2562756d | 424 | |
819d64e5 | 425 | input_sync(hdata->input2); |
2562756d MO |
426 | |
427 | return 1; | |
428 | } | |
429 | ||
430 | return 0; | |
431 | } | |
432 | ||
73196ebe MO |
433 | static int alps_raw_event(struct hid_device *hdev, |
434 | struct hid_report *report, u8 *data, int size) | |
2562756d | 435 | { |
73196ebe MO |
436 | int ret = 0; |
437 | struct alps_dev *hdata = hid_get_drvdata(hdev); | |
438 | ||
439 | switch (hdev->product) { | |
440 | case HID_PRODUCT_ID_T4_BTNLESS: | |
441 | ret = t4_raw_event(hdata, data, size); | |
442 | break; | |
443 | default: | |
444 | ret = u1_raw_event(hdata, data, size); | |
445 | break; | |
446 | } | |
447 | return ret; | |
2562756d MO |
448 | } |
449 | ||
73196ebe | 450 | static int __maybe_unused alps_post_reset(struct hid_device *hdev) |
2562756d | 451 | { |
73196ebe MO |
452 | int ret = -1; |
453 | struct alps_dev *data = hid_get_drvdata(hdev); | |
454 | ||
455 | switch (data->dev_type) { | |
456 | case T4: | |
457 | ret = t4_read_write_register(hdev, T4_PRM_FEED_CONFIG_1, | |
458 | NULL, T4_I2C_ABS, false); | |
69934012 CJ |
459 | if (ret < 0) { |
460 | dev_err(&hdev->dev, "failed T4_PRM_FEED_CONFIG_1 (%d)\n", | |
461 | ret); | |
462 | goto exit; | |
463 | } | |
464 | ||
73196ebe MO |
465 | ret = t4_read_write_register(hdev, T4_PRM_FEED_CONFIG_4, |
466 | NULL, T4_FEEDCFG4_ADVANCED_ABS_ENABLE, false); | |
69934012 CJ |
467 | if (ret < 0) { |
468 | dev_err(&hdev->dev, "failed T4_PRM_FEED_CONFIG_4 (%d)\n", | |
469 | ret); | |
470 | goto exit; | |
471 | } | |
73196ebe MO |
472 | break; |
473 | case U1: | |
474 | ret = u1_read_write_register(hdev, | |
475 | ADDRESS_U1_DEV_CTRL_1, NULL, | |
476 | U1_TP_ABS_MODE | U1_SP_ABS_MODE, false); | |
69934012 CJ |
477 | if (ret < 0) { |
478 | dev_err(&hdev->dev, "failed to change TP mode (%d)\n", | |
479 | ret); | |
480 | goto exit; | |
481 | } | |
73196ebe MO |
482 | break; |
483 | default: | |
484 | break; | |
485 | } | |
69934012 CJ |
486 | |
487 | exit: | |
73196ebe MO |
488 | return ret; |
489 | } | |
490 | ||
491 | static int __maybe_unused alps_post_resume(struct hid_device *hdev) | |
492 | { | |
493 | return alps_post_reset(hdev); | |
2562756d | 494 | } |
2562756d | 495 | |
73196ebe | 496 | static int u1_init(struct hid_device *hdev, struct alps_dev *pri_data) |
2562756d | 497 | { |
2562756d | 498 | int ret; |
5992262d MO |
499 | u8 tmp, dev_ctrl, sen_line_num_x, sen_line_num_y; |
500 | u8 pitch_x, pitch_y, resolution; | |
2562756d MO |
501 | |
502 | /* Device initialization */ | |
503 | ret = u1_read_write_register(hdev, ADDRESS_U1_DEV_CTRL_1, | |
5992262d | 504 | &dev_ctrl, 0, true); |
2562756d MO |
505 | if (ret < 0) { |
506 | dev_err(&hdev->dev, "failed U1_DEV_CTRL_1 (%d)\n", ret); | |
507 | goto exit; | |
508 | } | |
509 | ||
5992262d MO |
510 | dev_ctrl &= ~U1_DISABLE_DEV; |
511 | dev_ctrl |= U1_TP_ABS_MODE; | |
2562756d | 512 | ret = u1_read_write_register(hdev, ADDRESS_U1_DEV_CTRL_1, |
5992262d | 513 | NULL, dev_ctrl, false); |
2562756d MO |
514 | if (ret < 0) { |
515 | dev_err(&hdev->dev, "failed to change TP mode (%d)\n", ret); | |
516 | goto exit; | |
517 | } | |
518 | ||
519 | ret = u1_read_write_register(hdev, ADDRESS_U1_NUM_SENS_X, | |
5992262d | 520 | &sen_line_num_x, 0, true); |
2562756d MO |
521 | if (ret < 0) { |
522 | dev_err(&hdev->dev, "failed U1_NUM_SENS_X (%d)\n", ret); | |
523 | goto exit; | |
524 | } | |
525 | ||
526 | ret = u1_read_write_register(hdev, ADDRESS_U1_NUM_SENS_Y, | |
5992262d | 527 | &sen_line_num_y, 0, true); |
2562756d MO |
528 | if (ret < 0) { |
529 | dev_err(&hdev->dev, "failed U1_NUM_SENS_Y (%d)\n", ret); | |
530 | goto exit; | |
531 | } | |
532 | ||
533 | ret = u1_read_write_register(hdev, ADDRESS_U1_PITCH_SENS_X, | |
5992262d | 534 | &pitch_x, 0, true); |
2562756d MO |
535 | if (ret < 0) { |
536 | dev_err(&hdev->dev, "failed U1_PITCH_SENS_X (%d)\n", ret); | |
537 | goto exit; | |
538 | } | |
539 | ||
540 | ret = u1_read_write_register(hdev, ADDRESS_U1_PITCH_SENS_Y, | |
5992262d | 541 | &pitch_y, 0, true); |
2562756d MO |
542 | if (ret < 0) { |
543 | dev_err(&hdev->dev, "failed U1_PITCH_SENS_Y (%d)\n", ret); | |
544 | goto exit; | |
545 | } | |
546 | ||
547 | ret = u1_read_write_register(hdev, ADDRESS_U1_RESO_DWN_ABS, | |
5992262d | 548 | &resolution, 0, true); |
2562756d MO |
549 | if (ret < 0) { |
550 | dev_err(&hdev->dev, "failed U1_RESO_DWN_ABS (%d)\n", ret); | |
551 | goto exit; | |
552 | } | |
5d8c720d | 553 | pri_data->x_active_len_mm = |
5992262d | 554 | (pitch_x * (sen_line_num_x - 1)) / 10; |
5d8c720d | 555 | pri_data->y_active_len_mm = |
5992262d | 556 | (pitch_y * (sen_line_num_y - 1)) / 10; |
5d8c720d MO |
557 | |
558 | pri_data->x_max = | |
5992262d | 559 | (resolution << 2) * (sen_line_num_x - 1); |
c7083d3f | 560 | pri_data->x_min = 1; |
5d8c720d | 561 | pri_data->y_max = |
5992262d | 562 | (resolution << 2) * (sen_line_num_y - 1); |
c7083d3f | 563 | pri_data->y_min = 1; |
2562756d MO |
564 | |
565 | ret = u1_read_write_register(hdev, ADDRESS_U1_PAD_BTN, | |
5992262d | 566 | &tmp, 0, true); |
2562756d MO |
567 | if (ret < 0) { |
568 | dev_err(&hdev->dev, "failed U1_PAD_BTN (%d)\n", ret); | |
569 | goto exit; | |
570 | } | |
5992262d MO |
571 | if ((tmp & 0x0F) == (tmp & 0xF0) >> 4) { |
572 | pri_data->btn_cnt = (tmp & 0x0F); | |
c7083d3f MO |
573 | } else { |
574 | /* Button pad */ | |
575 | pri_data->btn_cnt = 1; | |
576 | } | |
2562756d | 577 | |
5d8c720d | 578 | pri_data->has_sp = 0; |
2562756d MO |
579 | /* Check StickPointer device */ |
580 | ret = u1_read_write_register(hdev, ADDRESS_U1_DEVICE_TYP, | |
5992262d | 581 | &tmp, 0, true); |
2562756d MO |
582 | if (ret < 0) { |
583 | dev_err(&hdev->dev, "failed U1_DEVICE_TYP (%d)\n", ret); | |
584 | goto exit; | |
585 | } | |
5992262d MO |
586 | if (tmp & U1_DEVTYPE_SP_SUPPORT) { |
587 | dev_ctrl |= U1_SP_ABS_MODE; | |
5d8c720d | 588 | ret = u1_read_write_register(hdev, ADDRESS_U1_DEV_CTRL_1, |
5992262d | 589 | NULL, dev_ctrl, false); |
5d8c720d MO |
590 | if (ret < 0) { |
591 | dev_err(&hdev->dev, "failed SP mode (%d)\n", ret); | |
592 | goto exit; | |
593 | } | |
594 | ||
595 | ret = u1_read_write_register(hdev, ADDRESS_U1_SP_BTN, | |
596 | &pri_data->sp_btn_info, 0, true); | |
597 | if (ret < 0) { | |
598 | dev_err(&hdev->dev, "failed U1_SP_BTN (%d)\n", ret); | |
599 | goto exit; | |
600 | } | |
601 | pri_data->has_sp = 1; | |
602 | } | |
c7083d3f | 603 | pri_data->max_fingers = 5; |
5d8c720d MO |
604 | exit: |
605 | return ret; | |
606 | } | |
607 | ||
73196ebe MO |
608 | static int T4_init(struct hid_device *hdev, struct alps_dev *pri_data) |
609 | { | |
610 | int ret; | |
611 | u8 tmp, sen_line_num_x, sen_line_num_y; | |
612 | ||
613 | ret = t4_read_write_register(hdev, T4_PRM_ID_CONFIG_3, &tmp, 0, true); | |
614 | if (ret < 0) { | |
615 | dev_err(&hdev->dev, "failed T4_PRM_ID_CONFIG_3 (%d)\n", ret); | |
616 | goto exit; | |
617 | } | |
618 | sen_line_num_x = 16 + ((tmp & 0x0F) | (tmp & 0x08 ? 0xF0 : 0)); | |
619 | sen_line_num_y = 12 + (((tmp & 0xF0) >> 4) | (tmp & 0x80 ? 0xF0 : 0)); | |
620 | ||
621 | pri_data->x_max = sen_line_num_x * T4_COUNT_PER_ELECTRODE; | |
622 | pri_data->x_min = T4_COUNT_PER_ELECTRODE; | |
623 | pri_data->y_max = sen_line_num_y * T4_COUNT_PER_ELECTRODE; | |
624 | pri_data->y_min = T4_COUNT_PER_ELECTRODE; | |
625 | pri_data->x_active_len_mm = pri_data->y_active_len_mm = 0; | |
626 | pri_data->btn_cnt = 1; | |
627 | ||
628 | ret = t4_read_write_register(hdev, PRM_SYS_CONFIG_1, &tmp, 0, true); | |
629 | if (ret < 0) { | |
630 | dev_err(&hdev->dev, "failed PRM_SYS_CONFIG_1 (%d)\n", ret); | |
631 | goto exit; | |
632 | } | |
633 | tmp |= 0x02; | |
634 | ret = t4_read_write_register(hdev, PRM_SYS_CONFIG_1, NULL, tmp, false); | |
635 | if (ret < 0) { | |
636 | dev_err(&hdev->dev, "failed PRM_SYS_CONFIG_1 (%d)\n", ret); | |
637 | goto exit; | |
638 | } | |
639 | ||
640 | ret = t4_read_write_register(hdev, T4_PRM_FEED_CONFIG_1, | |
641 | NULL, T4_I2C_ABS, false); | |
642 | if (ret < 0) { | |
643 | dev_err(&hdev->dev, "failed T4_PRM_FEED_CONFIG_1 (%d)\n", ret); | |
644 | goto exit; | |
645 | } | |
646 | ||
647 | ret = t4_read_write_register(hdev, T4_PRM_FEED_CONFIG_4, NULL, | |
648 | T4_FEEDCFG4_ADVANCED_ABS_ENABLE, false); | |
649 | if (ret < 0) { | |
650 | dev_err(&hdev->dev, "failed T4_PRM_FEED_CONFIG_4 (%d)\n", ret); | |
651 | goto exit; | |
652 | } | |
653 | pri_data->max_fingers = 5; | |
654 | pri_data->has_sp = 0; | |
655 | exit: | |
656 | return ret; | |
657 | } | |
658 | ||
7dd8db68 BT |
659 | static int alps_sp_open(struct input_dev *dev) |
660 | { | |
661 | struct hid_device *hid = input_get_drvdata(dev); | |
662 | ||
663 | return hid_hw_open(hid); | |
664 | } | |
665 | ||
666 | static void alps_sp_close(struct input_dev *dev) | |
667 | { | |
668 | struct hid_device *hid = input_get_drvdata(dev); | |
669 | ||
670 | hid_hw_close(hid); | |
671 | } | |
672 | ||
5d8c720d MO |
673 | static int alps_input_configured(struct hid_device *hdev, struct hid_input *hi) |
674 | { | |
73196ebe | 675 | struct alps_dev *data = hid_get_drvdata(hdev); |
5d8c720d MO |
676 | struct input_dev *input = hi->input, *input2; |
677 | int ret; | |
678 | int res_x, res_y, i; | |
679 | ||
680 | data->input = input; | |
681 | ||
682 | hid_dbg(hdev, "Opening low level driver\n"); | |
683 | ret = hid_hw_open(hdev); | |
684 | if (ret) | |
685 | return ret; | |
686 | ||
687 | /* Allow incoming hid reports */ | |
688 | hid_device_io_start(hdev); | |
73196ebe MO |
689 | switch (data->dev_type) { |
690 | case T4: | |
691 | ret = T4_init(hdev, data); | |
692 | break; | |
693 | case U1: | |
694 | ret = u1_init(hdev, data); | |
695 | break; | |
696 | default: | |
697 | break; | |
698 | } | |
5d8c720d MO |
699 | |
700 | if (ret) | |
701 | goto exit; | |
2562756d MO |
702 | |
703 | __set_bit(EV_ABS, input->evbit); | |
c7083d3f MO |
704 | input_set_abs_params(input, ABS_MT_POSITION_X, |
705 | data->x_min, data->x_max, 0, 0); | |
706 | input_set_abs_params(input, ABS_MT_POSITION_Y, | |
707 | data->y_min, data->y_max, 0, 0); | |
2562756d | 708 | |
ce6abcf8 MO |
709 | if (data->x_active_len_mm && data->y_active_len_mm) { |
710 | res_x = (data->x_max - 1) / data->x_active_len_mm; | |
711 | res_y = (data->y_max - 1) / data->y_active_len_mm; | |
2562756d MO |
712 | |
713 | input_abs_set_res(input, ABS_MT_POSITION_X, res_x); | |
714 | input_abs_set_res(input, ABS_MT_POSITION_Y, res_y); | |
715 | } | |
716 | ||
717 | input_set_abs_params(input, ABS_MT_PRESSURE, 0, 64, 0, 0); | |
718 | ||
c7083d3f | 719 | input_mt_init_slots(input, data->max_fingers, INPUT_MT_POINTER); |
2562756d MO |
720 | |
721 | __set_bit(EV_KEY, input->evbit); | |
c7083d3f MO |
722 | |
723 | if (data->btn_cnt == 1) | |
2562756d | 724 | __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); |
2562756d | 725 | |
ce6abcf8 | 726 | for (i = 0; i < data->btn_cnt; i++) |
2562756d MO |
727 | __set_bit(BTN_LEFT + i, input->keybit); |
728 | ||
2562756d | 729 | /* Stick device initialization */ |
5d8c720d | 730 | if (data->has_sp) { |
2562756d MO |
731 | input2 = input_allocate_device(); |
732 | if (!input2) { | |
c7083d3f | 733 | input_free_device(input2); |
2562756d MO |
734 | goto exit; |
735 | } | |
736 | ||
819d64e5 | 737 | data->input2 = input2; |
2562756d MO |
738 | input2->phys = input->phys; |
739 | input2->name = "DualPoint Stick"; | |
740 | input2->id.bustype = BUS_I2C; | |
741 | input2->id.vendor = input->id.vendor; | |
742 | input2->id.product = input->id.product; | |
743 | input2->id.version = input->id.version; | |
744 | input2->dev.parent = input->dev.parent; | |
745 | ||
7dd8db68 BT |
746 | input_set_drvdata(input2, hdev); |
747 | input2->open = alps_sp_open; | |
748 | input2->close = alps_sp_close; | |
749 | ||
2562756d | 750 | __set_bit(EV_KEY, input2->evbit); |
ce6abcf8 MO |
751 | data->sp_btn_cnt = (data->sp_btn_info & 0x0F); |
752 | for (i = 0; i < data->sp_btn_cnt; i++) | |
2562756d MO |
753 | __set_bit(BTN_LEFT + i, input2->keybit); |
754 | ||
755 | __set_bit(EV_REL, input2->evbit); | |
756 | __set_bit(REL_X, input2->relbit); | |
757 | __set_bit(REL_Y, input2->relbit); | |
758 | __set_bit(INPUT_PROP_POINTER, input2->propbit); | |
759 | __set_bit(INPUT_PROP_POINTING_STICK, input2->propbit); | |
760 | ||
c7083d3f | 761 | if (input_register_device(data->input2)) { |
2562756d MO |
762 | input_free_device(input2); |
763 | goto exit; | |
764 | } | |
765 | } | |
766 | ||
767 | exit: | |
768 | hid_device_io_stop(hdev); | |
769 | hid_hw_close(hdev); | |
770 | return ret; | |
771 | } | |
772 | ||
773 | static int alps_input_mapping(struct hid_device *hdev, | |
774 | struct hid_input *hi, struct hid_field *field, | |
775 | struct hid_usage *usage, unsigned long **bit, int *max) | |
776 | { | |
777 | return -1; | |
778 | } | |
779 | ||
780 | static int alps_probe(struct hid_device *hdev, const struct hid_device_id *id) | |
781 | { | |
73196ebe | 782 | struct alps_dev *data = NULL; |
2562756d | 783 | int ret; |
73196ebe | 784 | data = devm_kzalloc(&hdev->dev, sizeof(struct alps_dev), GFP_KERNEL); |
2562756d MO |
785 | if (!data) |
786 | return -ENOMEM; | |
787 | ||
788 | data->hdev = hdev; | |
789 | hid_set_drvdata(hdev, data); | |
790 | ||
791 | hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS; | |
792 | ||
793 | ret = hid_parse(hdev); | |
794 | if (ret) { | |
795 | hid_err(hdev, "parse failed\n"); | |
796 | return ret; | |
797 | } | |
798 | ||
73196ebe MO |
799 | switch (hdev->product) { |
800 | case HID_DEVICE_ID_ALPS_T4_BTNLESS: | |
801 | data->dev_type = T4; | |
802 | break; | |
803 | case HID_DEVICE_ID_ALPS_U1_DUAL: | |
287b8e11 | 804 | case HID_DEVICE_ID_ALPS_U1: |
73196ebe MO |
805 | data->dev_type = U1; |
806 | break; | |
807 | default: | |
808 | data->dev_type = UNKNOWN; | |
809 | } | |
810 | ||
2562756d MO |
811 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); |
812 | if (ret) { | |
813 | hid_err(hdev, "hw start failed\n"); | |
814 | return ret; | |
815 | } | |
816 | ||
817 | return 0; | |
818 | } | |
819 | ||
820 | static void alps_remove(struct hid_device *hdev) | |
821 | { | |
822 | hid_hw_stop(hdev); | |
2562756d MO |
823 | } |
824 | ||
825 | static const struct hid_device_id alps_id[] = { | |
826 | { HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, | |
819d64e5 | 827 | USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1_DUAL) }, |
287b8e11 MO |
828 | { HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, |
829 | USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1) }, | |
73196ebe MO |
830 | { HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, |
831 | USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_T4_BTNLESS) }, | |
2562756d MO |
832 | { } |
833 | }; | |
834 | MODULE_DEVICE_TABLE(hid, alps_id); | |
835 | ||
836 | static struct hid_driver alps_driver = { | |
837 | .name = "hid-alps", | |
838 | .id_table = alps_id, | |
839 | .probe = alps_probe, | |
840 | .remove = alps_remove, | |
841 | .raw_event = alps_raw_event, | |
842 | .input_mapping = alps_input_mapping, | |
843 | .input_configured = alps_input_configured, | |
844 | #ifdef CONFIG_PM | |
845 | .resume = alps_post_resume, | |
846 | .reset_resume = alps_post_reset, | |
847 | #endif | |
848 | }; | |
849 | ||
850 | module_hid_driver(alps_driver); | |
851 | ||
852 | MODULE_AUTHOR("Masaki Ota <masaki.ota@jp.alps.com>"); | |
853 | MODULE_DESCRIPTION("ALPS HID driver"); | |
854 | MODULE_LICENSE("GPL"); |