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6696777c DL |
1 | /* |
2 | * Elan I2C/SMBus Touchpad driver - I2C interface | |
3 | * | |
4 | * Copyright (c) 2013 ELAN Microelectronics Corp. | |
5 | * | |
6 | * Author: 林政維 (Duson Lin) <dusonlin@emc.com.tw> | |
7 | * Version: 1.5.5 | |
8 | * | |
9 | * Based on cyapa driver: | |
10 | * copyright (c) 2011-2012 Cypress Semiconductor, Inc. | |
11 | * copyright (c) 2011-2012 Google, Inc. | |
12 | * | |
13 | * This program is free software; you can redistribute it and/or modify it | |
14 | * under the terms of the GNU General Public License version 2 as published | |
15 | * by the Free Software Foundation. | |
16 | * | |
17 | * Trademarks are the property of their respective owners. | |
18 | */ | |
19 | ||
20 | #include <linux/completion.h> | |
21 | #include <linux/delay.h> | |
22 | #include <linux/i2c.h> | |
23 | #include <linux/interrupt.h> | |
24 | #include <linux/jiffies.h> | |
25 | #include <linux/kernel.h> | |
26 | #include <linux/sched.h> | |
27 | #include <asm/unaligned.h> | |
28 | ||
29 | #include "elan_i2c.h" | |
30 | ||
31 | /* Elan i2c commands */ | |
32 | #define ETP_I2C_RESET 0x0100 | |
33 | #define ETP_I2C_WAKE_UP 0x0800 | |
34 | #define ETP_I2C_SLEEP 0x0801 | |
35 | #define ETP_I2C_DESC_CMD 0x0001 | |
36 | #define ETP_I2C_REPORT_DESC_CMD 0x0002 | |
37 | #define ETP_I2C_STAND_CMD 0x0005 | |
38 | #define ETP_I2C_UNIQUEID_CMD 0x0101 | |
39 | #define ETP_I2C_FW_VERSION_CMD 0x0102 | |
40 | #define ETP_I2C_SM_VERSION_CMD 0x0103 | |
41 | #define ETP_I2C_XY_TRACENUM_CMD 0x0105 | |
42 | #define ETP_I2C_MAX_X_AXIS_CMD 0x0106 | |
43 | #define ETP_I2C_MAX_Y_AXIS_CMD 0x0107 | |
44 | #define ETP_I2C_RESOLUTION_CMD 0x0108 | |
45 | #define ETP_I2C_IAP_VERSION_CMD 0x0110 | |
46 | #define ETP_I2C_SET_CMD 0x0300 | |
47 | #define ETP_I2C_POWER_CMD 0x0307 | |
48 | #define ETP_I2C_FW_CHECKSUM_CMD 0x030F | |
49 | #define ETP_I2C_IAP_CTRL_CMD 0x0310 | |
50 | #define ETP_I2C_IAP_CMD 0x0311 | |
51 | #define ETP_I2C_IAP_RESET_CMD 0x0314 | |
52 | #define ETP_I2C_IAP_CHECKSUM_CMD 0x0315 | |
53 | #define ETP_I2C_CALIBRATE_CMD 0x0316 | |
54 | #define ETP_I2C_MAX_BASELINE_CMD 0x0317 | |
55 | #define ETP_I2C_MIN_BASELINE_CMD 0x0318 | |
56 | ||
57 | #define ETP_I2C_REPORT_LEN 34 | |
58 | #define ETP_I2C_DESC_LENGTH 30 | |
59 | #define ETP_I2C_REPORT_DESC_LENGTH 158 | |
60 | #define ETP_I2C_INF_LENGTH 2 | |
61 | #define ETP_I2C_IAP_PASSWORD 0x1EA5 | |
62 | #define ETP_I2C_IAP_RESET 0xF0F0 | |
63 | #define ETP_I2C_MAIN_MODE_ON (1 << 9) | |
64 | #define ETP_I2C_IAP_REG_L 0x01 | |
65 | #define ETP_I2C_IAP_REG_H 0x06 | |
66 | ||
67 | static int elan_i2c_read_block(struct i2c_client *client, | |
68 | u16 reg, u8 *val, u16 len) | |
69 | { | |
70 | __le16 buf[] = { | |
71 | cpu_to_le16(reg), | |
72 | }; | |
73 | struct i2c_msg msgs[] = { | |
74 | { | |
75 | .addr = client->addr, | |
76 | .flags = client->flags & I2C_M_TEN, | |
77 | .len = sizeof(buf), | |
78 | .buf = (u8 *)buf, | |
79 | }, | |
80 | { | |
81 | .addr = client->addr, | |
82 | .flags = (client->flags & I2C_M_TEN) | I2C_M_RD, | |
83 | .len = len, | |
84 | .buf = val, | |
85 | } | |
86 | }; | |
87 | int ret; | |
88 | ||
89 | ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); | |
90 | return ret == ARRAY_SIZE(msgs) ? 0 : (ret < 0 ? ret : -EIO); | |
91 | } | |
92 | ||
93 | static int elan_i2c_read_cmd(struct i2c_client *client, u16 reg, u8 *val) | |
94 | { | |
95 | int retval; | |
96 | ||
97 | retval = elan_i2c_read_block(client, reg, val, ETP_I2C_INF_LENGTH); | |
98 | if (retval < 0) { | |
99 | dev_err(&client->dev, "reading cmd (0x%04x) fail.\n", reg); | |
100 | return retval; | |
101 | } | |
102 | ||
103 | return 0; | |
104 | } | |
105 | ||
106 | static int elan_i2c_write_cmd(struct i2c_client *client, u16 reg, u16 cmd) | |
107 | { | |
108 | __le16 buf[] = { | |
109 | cpu_to_le16(reg), | |
110 | cpu_to_le16(cmd), | |
111 | }; | |
112 | struct i2c_msg msg = { | |
113 | .addr = client->addr, | |
114 | .flags = client->flags & I2C_M_TEN, | |
115 | .len = sizeof(buf), | |
116 | .buf = (u8 *)buf, | |
117 | }; | |
118 | int ret; | |
119 | ||
120 | ret = i2c_transfer(client->adapter, &msg, 1); | |
121 | return ret == 1 ? 0 : (ret < 0 ? ret : -EIO); | |
122 | } | |
123 | ||
124 | static int elan_i2c_initialize(struct i2c_client *client) | |
125 | { | |
126 | struct device *dev = &client->dev; | |
127 | int error; | |
128 | u8 val[256]; | |
129 | ||
130 | error = elan_i2c_write_cmd(client, ETP_I2C_STAND_CMD, ETP_I2C_RESET); | |
131 | if (error) { | |
132 | dev_err(dev, "device reset failed: %d\n", error); | |
133 | return error; | |
134 | } | |
135 | ||
136 | /* Wait for the device to reset */ | |
137 | msleep(100); | |
138 | ||
139 | /* get reset acknowledgement 0000 */ | |
140 | error = i2c_master_recv(client, val, ETP_I2C_INF_LENGTH); | |
141 | if (error < 0) { | |
142 | dev_err(dev, "failed to read reset response: %d\n", error); | |
143 | return error; | |
144 | } | |
145 | ||
146 | error = elan_i2c_read_block(client, ETP_I2C_DESC_CMD, | |
147 | val, ETP_I2C_DESC_LENGTH); | |
148 | if (error) { | |
149 | dev_err(dev, "cannot get device descriptor: %d\n", error); | |
150 | return error; | |
151 | } | |
152 | ||
153 | error = elan_i2c_read_block(client, ETP_I2C_REPORT_DESC_CMD, | |
154 | val, ETP_I2C_REPORT_DESC_LENGTH); | |
155 | if (error) { | |
156 | dev_err(dev, "fetching report descriptor failed.: %d\n", error); | |
157 | return error; | |
158 | } | |
159 | ||
160 | return 0; | |
161 | } | |
162 | ||
163 | static int elan_i2c_sleep_control(struct i2c_client *client, bool sleep) | |
164 | { | |
165 | return elan_i2c_write_cmd(client, ETP_I2C_STAND_CMD, | |
166 | sleep ? ETP_I2C_SLEEP : ETP_I2C_WAKE_UP); | |
167 | } | |
168 | ||
169 | static int elan_i2c_power_control(struct i2c_client *client, bool enable) | |
170 | { | |
171 | u8 val[2]; | |
172 | u16 reg; | |
173 | int error; | |
174 | ||
175 | error = elan_i2c_read_cmd(client, ETP_I2C_POWER_CMD, val); | |
176 | if (error) { | |
177 | dev_err(&client->dev, | |
178 | "failed to read current power state: %d\n", | |
179 | error); | |
180 | return error; | |
181 | } | |
182 | ||
183 | reg = le16_to_cpup((__le16 *)val); | |
184 | if (enable) | |
185 | reg &= ~ETP_DISABLE_POWER; | |
186 | else | |
187 | reg |= ETP_DISABLE_POWER; | |
188 | ||
189 | error = elan_i2c_write_cmd(client, ETP_I2C_POWER_CMD, reg); | |
190 | if (error) { | |
191 | dev_err(&client->dev, | |
192 | "failed to write current power state: %d\n", | |
193 | error); | |
194 | return error; | |
195 | } | |
196 | ||
197 | return 0; | |
198 | } | |
199 | ||
200 | static int elan_i2c_set_mode(struct i2c_client *client, u8 mode) | |
201 | { | |
202 | return elan_i2c_write_cmd(client, ETP_I2C_SET_CMD, mode); | |
203 | } | |
204 | ||
205 | ||
206 | static int elan_i2c_calibrate(struct i2c_client *client) | |
207 | { | |
208 | return elan_i2c_write_cmd(client, ETP_I2C_CALIBRATE_CMD, 1); | |
209 | } | |
210 | ||
211 | static int elan_i2c_calibrate_result(struct i2c_client *client, u8 *val) | |
212 | { | |
213 | return elan_i2c_read_block(client, ETP_I2C_CALIBRATE_CMD, val, 1); | |
214 | } | |
215 | ||
216 | static int elan_i2c_get_baseline_data(struct i2c_client *client, | |
217 | bool max_baseline, u8 *value) | |
218 | { | |
219 | int error; | |
220 | u8 val[3]; | |
221 | ||
222 | error = elan_i2c_read_cmd(client, | |
223 | max_baseline ? ETP_I2C_MAX_BASELINE_CMD : | |
224 | ETP_I2C_MIN_BASELINE_CMD, | |
225 | val); | |
226 | if (error) | |
227 | return error; | |
228 | ||
229 | *value = le16_to_cpup((__le16 *)val); | |
230 | ||
231 | return 0; | |
232 | } | |
233 | ||
234 | static int elan_i2c_get_version(struct i2c_client *client, | |
235 | bool iap, u8 *version) | |
236 | { | |
237 | int error; | |
238 | u8 val[3]; | |
239 | ||
240 | error = elan_i2c_read_cmd(client, | |
241 | iap ? ETP_I2C_IAP_VERSION_CMD : | |
242 | ETP_I2C_FW_VERSION_CMD, | |
243 | val); | |
244 | if (error) { | |
245 | dev_err(&client->dev, "failed to get %s version: %d\n", | |
246 | iap ? "IAP" : "FW", error); | |
247 | return error; | |
248 | } | |
249 | ||
250 | *version = val[0]; | |
251 | return 0; | |
252 | } | |
253 | ||
254 | static int elan_i2c_get_sm_version(struct i2c_client *client, u8 *version) | |
255 | { | |
256 | int error; | |
257 | u8 val[3]; | |
258 | ||
259 | error = elan_i2c_read_cmd(client, ETP_I2C_SM_VERSION_CMD, val); | |
260 | if (error) { | |
261 | dev_err(&client->dev, "failed to get SM version: %d\n", error); | |
262 | return error; | |
263 | } | |
264 | ||
265 | *version = val[0]; | |
266 | return 0; | |
267 | } | |
268 | ||
269 | static int elan_i2c_get_product_id(struct i2c_client *client, u8 *id) | |
270 | { | |
271 | int error; | |
272 | u8 val[3]; | |
273 | ||
274 | error = elan_i2c_read_cmd(client, ETP_I2C_UNIQUEID_CMD, val); | |
275 | if (error) { | |
276 | dev_err(&client->dev, "failed to get product ID: %d\n", error); | |
277 | return error; | |
278 | } | |
279 | ||
280 | *id = val[0]; | |
281 | return 0; | |
282 | } | |
283 | ||
284 | static int elan_i2c_get_checksum(struct i2c_client *client, | |
285 | bool iap, u16 *csum) | |
286 | { | |
287 | int error; | |
288 | u8 val[3]; | |
289 | ||
290 | error = elan_i2c_read_cmd(client, | |
291 | iap ? ETP_I2C_IAP_CHECKSUM_CMD : | |
292 | ETP_I2C_FW_CHECKSUM_CMD, | |
293 | val); | |
294 | if (error) { | |
295 | dev_err(&client->dev, "failed to get %s checksum: %d\n", | |
296 | iap ? "IAP" : "FW", error); | |
297 | return error; | |
298 | } | |
299 | ||
300 | *csum = le16_to_cpup((__le16 *)val); | |
301 | return 0; | |
302 | } | |
303 | ||
304 | static int elan_i2c_get_max(struct i2c_client *client, | |
305 | unsigned int *max_x, unsigned int *max_y) | |
306 | { | |
307 | int error; | |
308 | u8 val[3]; | |
309 | ||
310 | error = elan_i2c_read_cmd(client, ETP_I2C_MAX_X_AXIS_CMD, val); | |
311 | if (error) { | |
312 | dev_err(&client->dev, "failed to get X dimension: %d\n", error); | |
313 | return error; | |
314 | } | |
315 | ||
316 | *max_x = le16_to_cpup((__le16 *)val) & 0x0fff; | |
317 | ||
318 | error = elan_i2c_read_cmd(client, ETP_I2C_MAX_Y_AXIS_CMD, val); | |
319 | if (error) { | |
320 | dev_err(&client->dev, "failed to get Y dimension: %d\n", error); | |
321 | return error; | |
322 | } | |
323 | ||
324 | *max_y = le16_to_cpup((__le16 *)val) & 0x0fff; | |
325 | ||
326 | return 0; | |
327 | } | |
328 | ||
329 | static int elan_i2c_get_resolution(struct i2c_client *client, | |
330 | u8 *hw_res_x, u8 *hw_res_y) | |
331 | { | |
332 | int error; | |
333 | u8 val[3]; | |
334 | ||
335 | error = elan_i2c_read_cmd(client, ETP_I2C_RESOLUTION_CMD, val); | |
336 | if (error) { | |
337 | dev_err(&client->dev, "failed to get resolution: %d\n", error); | |
338 | return error; | |
339 | } | |
340 | ||
341 | *hw_res_x = val[0]; | |
342 | *hw_res_y = val[1]; | |
343 | ||
344 | return 0; | |
345 | } | |
346 | ||
347 | static int elan_i2c_get_num_traces(struct i2c_client *client, | |
348 | unsigned int *x_traces, | |
349 | unsigned int *y_traces) | |
350 | { | |
351 | int error; | |
352 | u8 val[3]; | |
353 | ||
354 | error = elan_i2c_read_cmd(client, ETP_I2C_XY_TRACENUM_CMD, val); | |
355 | if (error) { | |
356 | dev_err(&client->dev, "failed to get trace info: %d\n", error); | |
357 | return error; | |
358 | } | |
359 | ||
360 | *x_traces = val[0] - 1; | |
361 | *y_traces = val[1] - 1; | |
362 | ||
363 | return 0; | |
364 | } | |
365 | ||
366 | static int elan_i2c_iap_get_mode(struct i2c_client *client, enum tp_mode *mode) | |
367 | { | |
368 | int error; | |
369 | u16 constant; | |
370 | u8 val[3]; | |
371 | ||
372 | error = elan_i2c_read_cmd(client, ETP_I2C_IAP_CTRL_CMD, val); | |
373 | if (error) { | |
374 | dev_err(&client->dev, | |
375 | "failed to read iap control register: %d\n", | |
376 | error); | |
377 | return error; | |
378 | } | |
379 | ||
380 | constant = le16_to_cpup((__le16 *)val); | |
381 | dev_dbg(&client->dev, "iap control reg: 0x%04x.\n", constant); | |
382 | ||
383 | *mode = (constant & ETP_I2C_MAIN_MODE_ON) ? MAIN_MODE : IAP_MODE; | |
384 | ||
385 | return 0; | |
386 | } | |
387 | ||
388 | static int elan_i2c_iap_reset(struct i2c_client *client) | |
389 | { | |
390 | int error; | |
391 | ||
392 | error = elan_i2c_write_cmd(client, ETP_I2C_IAP_RESET_CMD, | |
393 | ETP_I2C_IAP_RESET); | |
394 | if (error) { | |
395 | dev_err(&client->dev, "cannot reset IC: %d\n", error); | |
396 | return error; | |
397 | } | |
398 | ||
399 | return 0; | |
400 | } | |
401 | ||
402 | static int elan_i2c_set_flash_key(struct i2c_client *client) | |
403 | { | |
404 | int error; | |
405 | ||
406 | error = elan_i2c_write_cmd(client, ETP_I2C_IAP_CMD, | |
407 | ETP_I2C_IAP_PASSWORD); | |
408 | if (error) { | |
409 | dev_err(&client->dev, "cannot set flash key: %d\n", error); | |
410 | return error; | |
411 | } | |
412 | ||
413 | return 0; | |
414 | } | |
415 | ||
416 | static int elan_i2c_prepare_fw_update(struct i2c_client *client) | |
417 | { | |
418 | struct device *dev = &client->dev; | |
419 | int error; | |
420 | enum tp_mode mode; | |
421 | u8 val[3]; | |
422 | u16 password; | |
423 | ||
424 | /* Get FW in which mode (IAP_MODE/MAIN_MODE) */ | |
425 | error = elan_i2c_iap_get_mode(client, &mode); | |
426 | if (error) | |
427 | return error; | |
428 | ||
429 | if (mode == IAP_MODE) { | |
430 | /* Reset IC */ | |
431 | error = elan_i2c_iap_reset(client); | |
432 | if (error) | |
433 | return error; | |
434 | ||
435 | msleep(30); | |
436 | } | |
437 | ||
438 | /* Set flash key*/ | |
439 | error = elan_i2c_set_flash_key(client); | |
440 | if (error) | |
441 | return error; | |
442 | ||
443 | /* Wait for F/W IAP initialization */ | |
444 | msleep(mode == MAIN_MODE ? 100 : 30); | |
445 | ||
446 | /* Check if we are in IAP mode or not */ | |
447 | error = elan_i2c_iap_get_mode(client, &mode); | |
448 | if (error) | |
449 | return error; | |
450 | ||
451 | if (mode == MAIN_MODE) { | |
452 | dev_err(dev, "wrong mode: %d\n", mode); | |
453 | return -EIO; | |
454 | } | |
455 | ||
456 | /* Set flash key again */ | |
457 | error = elan_i2c_set_flash_key(client); | |
458 | if (error) | |
459 | return error; | |
460 | ||
461 | /* Wait for F/W IAP initialization */ | |
462 | msleep(30); | |
463 | ||
464 | /* read back to check we actually enabled successfully. */ | |
465 | error = elan_i2c_read_cmd(client, ETP_I2C_IAP_CMD, val); | |
466 | if (error) { | |
467 | dev_err(dev, "cannot read iap password: %d\n", | |
468 | error); | |
469 | return error; | |
470 | } | |
471 | ||
472 | password = le16_to_cpup((__le16 *)val); | |
473 | if (password != ETP_I2C_IAP_PASSWORD) { | |
474 | dev_err(dev, "wrong iap password: 0x%X\n", password); | |
475 | return -EIO; | |
476 | } | |
477 | ||
478 | return 0; | |
479 | } | |
480 | ||
481 | static int elan_i2c_write_fw_block(struct i2c_client *client, | |
482 | const u8 *page, u16 checksum, int idx) | |
483 | { | |
484 | struct device *dev = &client->dev; | |
485 | u8 page_store[ETP_FW_PAGE_SIZE + 4]; | |
486 | u8 val[3]; | |
487 | u16 result; | |
488 | int ret, error; | |
489 | ||
490 | page_store[0] = ETP_I2C_IAP_REG_L; | |
491 | page_store[1] = ETP_I2C_IAP_REG_H; | |
492 | memcpy(&page_store[2], page, ETP_FW_PAGE_SIZE); | |
493 | /* recode checksum at last two bytes */ | |
494 | put_unaligned_le16(checksum, &page_store[ETP_FW_PAGE_SIZE + 2]); | |
495 | ||
496 | ret = i2c_master_send(client, page_store, sizeof(page_store)); | |
497 | if (ret != sizeof(page_store)) { | |
498 | error = ret < 0 ? ret : -EIO; | |
499 | dev_err(dev, "Failed to write page %d: %d\n", idx, error); | |
500 | return error; | |
501 | } | |
502 | ||
503 | /* Wait for F/W to update one page ROM data. */ | |
504 | msleep(20); | |
505 | ||
506 | error = elan_i2c_read_cmd(client, ETP_I2C_IAP_CTRL_CMD, val); | |
507 | if (error) { | |
508 | dev_err(dev, "Failed to read IAP write result: %d\n", error); | |
509 | return error; | |
510 | } | |
511 | ||
512 | result = le16_to_cpup((__le16 *)val); | |
513 | if (result & (ETP_FW_IAP_PAGE_ERR | ETP_FW_IAP_INTF_ERR)) { | |
514 | dev_err(dev, "IAP reports failed write: %04hx\n", | |
515 | result); | |
516 | return -EIO; | |
517 | } | |
518 | ||
519 | return 0; | |
520 | } | |
521 | ||
522 | static int elan_i2c_finish_fw_update(struct i2c_client *client, | |
523 | struct completion *completion) | |
524 | { | |
525 | struct device *dev = &client->dev; | |
526 | long ret; | |
527 | int error; | |
528 | int len; | |
529 | u8 buffer[ETP_I2C_INF_LENGTH]; | |
530 | ||
531 | reinit_completion(completion); | |
532 | enable_irq(client->irq); | |
533 | ||
534 | error = elan_i2c_write_cmd(client, ETP_I2C_STAND_CMD, ETP_I2C_RESET); | |
535 | if (!error) | |
536 | ret = wait_for_completion_interruptible_timeout(completion, | |
537 | msecs_to_jiffies(300)); | |
538 | disable_irq(client->irq); | |
539 | ||
540 | if (error) { | |
541 | dev_err(dev, "device reset failed: %d\n", error); | |
542 | return error; | |
543 | } else if (ret == 0) { | |
544 | dev_err(dev, "timeout waiting for device reset\n"); | |
545 | return -ETIMEDOUT; | |
546 | } else if (ret < 0) { | |
547 | error = ret; | |
548 | dev_err(dev, "error waiting for device reset: %d\n", error); | |
549 | return error; | |
550 | } | |
551 | ||
552 | len = i2c_master_recv(client, buffer, ETP_I2C_INF_LENGTH); | |
553 | if (len != ETP_I2C_INF_LENGTH) { | |
554 | error = len < 0 ? len : -EIO; | |
555 | dev_err(dev, "failed to read INT signal: %d (%d)\n", | |
556 | error, len); | |
557 | return error; | |
558 | } | |
559 | ||
560 | return 0; | |
561 | } | |
562 | ||
563 | static int elan_i2c_get_report(struct i2c_client *client, u8 *report) | |
564 | { | |
565 | int len; | |
566 | ||
567 | len = i2c_master_recv(client, report, ETP_I2C_REPORT_LEN); | |
568 | if (len < 0) { | |
569 | dev_err(&client->dev, "failed to read report data: %d\n", len); | |
570 | return len; | |
571 | } | |
572 | ||
573 | if (len != ETP_I2C_REPORT_LEN) { | |
574 | dev_err(&client->dev, | |
575 | "wrong report length (%d vs %d expected)\n", | |
576 | len, ETP_I2C_REPORT_LEN); | |
577 | return -EIO; | |
578 | } | |
579 | ||
580 | return 0; | |
581 | } | |
582 | ||
583 | const struct elan_transport_ops elan_i2c_ops = { | |
584 | .initialize = elan_i2c_initialize, | |
585 | .sleep_control = elan_i2c_sleep_control, | |
586 | .power_control = elan_i2c_power_control, | |
587 | .set_mode = elan_i2c_set_mode, | |
588 | ||
589 | .calibrate = elan_i2c_calibrate, | |
590 | .calibrate_result = elan_i2c_calibrate_result, | |
591 | ||
592 | .get_baseline_data = elan_i2c_get_baseline_data, | |
593 | ||
594 | .get_version = elan_i2c_get_version, | |
595 | .get_sm_version = elan_i2c_get_sm_version, | |
596 | .get_product_id = elan_i2c_get_product_id, | |
597 | .get_checksum = elan_i2c_get_checksum, | |
598 | ||
599 | .get_max = elan_i2c_get_max, | |
600 | .get_resolution = elan_i2c_get_resolution, | |
601 | .get_num_traces = elan_i2c_get_num_traces, | |
602 | ||
603 | .iap_get_mode = elan_i2c_iap_get_mode, | |
604 | .iap_reset = elan_i2c_iap_reset, | |
605 | ||
606 | .prepare_fw_update = elan_i2c_prepare_fw_update, | |
607 | .write_fw_block = elan_i2c_write_fw_block, | |
608 | .finish_fw_update = elan_i2c_finish_fw_update, | |
609 | ||
610 | .get_report = elan_i2c_get_report, | |
611 | }; |