mxts.c 71 KB

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  1. /*
  2. * Copyright (C) 2012, Samsung Electronics Co. Ltd. All Rights Reserved.
  3. *
  4. * This program is free software; you can redistribute it and/or modify
  5. * it under the terms of the GNU General Public License as published by
  6. * the Free Software Foundation; either version 2 of the License, or
  7. * (at your option) any later version.
  8. *
  9. * This program is distributed in the hope that it will be useful,
  10. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. * GNU General Public License for more details.
  13. *
  14. */
  15. #include <asm/unaligned.h>
  16. //#include <mach/cpufreq.h>
  17. #include <linux/kernel.h>
  18. #include <linux/module.h>
  19. #include <linux/input.h>
  20. #include <linux/input/mt.h>
  21. #include <linux/interrupt.h>
  22. #include <linux/i2c.h>
  23. #include <linux/delay.h>
  24. #include <linux/slab.h>
  25. #include <linux/gpio.h>
  26. #include <linux/i2c/mxts.h>
  27. #include <asm/unaligned.h>
  28. #include <linux/firmware.h>
  29. #include <linux/string.h>
  30. #ifdef CONFIG_HAS_EARLYSUSPEND
  31. #include <linux/earlysuspend.h>
  32. #endif
  33. #include <linux/of_gpio.h>
  34. #include <linux/regulator/consumer.h>
  35. #include <linux/qpnp/pin.h>
  36. static int mxt_power_onoff(struct mxt_data *data, bool enabled);
  37. #if ENABLE_TOUCH_KEY
  38. /* support 6 touch key */
  39. #define TOUCH_KEY_D_MENU 0x20
  40. #define TOUCH_KEY_MENU 0x10
  41. #define TOUCH_KEY_D_HOME_1 0x08
  42. #define TOUCH_KEY_D_HOME_2 0x04
  43. #define TOUCH_KEY_BACK 0x02
  44. #define TOUCH_KEY_D_BACK 0x01
  45. struct mxt_touchkey mxt_touchkey_data[] = {
  46. {
  47. .value = TOUCH_KEY_D_MENU,
  48. .keycode = KEY_DUMMY_MENU,
  49. .name = "d_menu",
  50. .xnode = 31,
  51. .ynode = 51,
  52. .deltaobj = 5,
  53. },
  54. {
  55. .value = TOUCH_KEY_MENU,
  56. #ifdef USE_MENU_TOUCHKEY
  57. .keycode = KEY_MENU,
  58. .name = "menu",
  59. #else
  60. .keycode = KEY_RECENT,
  61. .name = "recent",
  62. #endif
  63. .xnode = 30,
  64. .ynode = 51,
  65. .deltaobj = 4,
  66. },
  67. {
  68. .value = TOUCH_KEY_D_HOME_1,
  69. .keycode = KEY_DUMMY_HOME1,
  70. .name = "d_home1",
  71. .xnode = 29,
  72. .ynode = 51,
  73. .deltaobj = 3,
  74. },
  75. {
  76. .value = TOUCH_KEY_D_HOME_2,
  77. .keycode = KEY_DUMMY_HOME2,
  78. .name = "d_home2",
  79. .xnode = 28,
  80. .ynode = 51,
  81. .deltaobj = 2,
  82. },
  83. {
  84. .value = TOUCH_KEY_BACK,
  85. .keycode = KEY_BACK,
  86. .name = "back",
  87. .xnode = 27,
  88. .ynode = 51,
  89. .deltaobj = 1,
  90. },
  91. {
  92. .value = TOUCH_KEY_D_BACK,
  93. .keycode = KEY_DUMMY_BACK,
  94. .name = "d_back",
  95. .xnode = 26,
  96. .ynode = 51,
  97. .deltaobj = 0,
  98. },
  99. };
  100. #endif
  101. #define MXT_PM_GPIO_STATE_WAKE 0
  102. #define MXT_PM_GPIO_STATE_SLEEP 1
  103. struct qpnp_pin_cfg mxt_rst_set[] = {
  104. {
  105. .mode = 1,
  106. .pull = 5,
  107. .output_type = 0,
  108. .invert = 0,
  109. .vin_sel = 2,
  110. .out_strength = 2,
  111. .src_sel = 0,
  112. .master_en =1,
  113. },
  114. {
  115. .mode = 0,
  116. .pull = 4,
  117. .output_type = 0,
  118. .invert = 0,
  119. .vin_sel = 2,
  120. .out_strength = 2,
  121. .src_sel = 0,
  122. .master_en =1,
  123. },
  124. };
  125. struct qpnp_pin_cfg mxt_int_set[] = {
  126. {
  127. .mode = 0,
  128. .pull = 5,
  129. .output_type = 0,
  130. .invert = 0,
  131. .vin_sel = 2,
  132. .out_strength = 2,
  133. .src_sel = 0,
  134. .master_en =1,
  135. },
  136. {
  137. .mode = 0,
  138. .pull = 4,
  139. .output_type = 0,
  140. .invert = 0,
  141. .vin_sel = 2,
  142. .out_strength = 2,
  143. .src_sel = 0,
  144. .master_en =1,
  145. },
  146. };
  147. #ifdef CONFIG_OF
  148. static int mxt_parse_dt(struct device *dev,
  149. struct mxt_platform_data *pdata)
  150. {
  151. struct device_node *np = dev->of_node;
  152. const char *model = NULL;
  153. u32 coords[4];
  154. int ret;
  155. /* reset, irq gpio info */
  156. pdata->tsp_en = of_get_named_gpio(np, "mxts,tsppwr_en", 0);
  157. pdata->tsp_en1 = of_get_named_gpio(np, "mxts,tsppwr_en1", 0);
  158. pdata->tsp_int = of_get_named_gpio(np, "mxts,irq-gpio", 0);
  159. pdata->tsp_rst = of_get_named_gpio(np, "mxts,rst", 0);
  160. pr_err("%s tsp_en= %d, tsp_en1= %d, tsp_int= %d, rst= %d\n",
  161. __func__, pdata->tsp_en, pdata->tsp_en1, pdata->tsp_int, pdata->tsp_rst);
  162. ret = of_property_read_u32_array(np, "mxts,tsp_coord", coords, 4);
  163. of_property_read_string(np, "mxts,pname", &model);
  164. if (ret && (ret != -EINVAL)) {
  165. printk(KERN_ERR "%s: Unable to read mxts,tsp_coord\n", __func__);
  166. return ret;
  167. }
  168. pdata->model_name = model;
  169. pdata->num_xnode = coords[0];
  170. pdata->num_ynode = coords[1];
  171. pdata->max_x = coords[2];
  172. pdata->max_y = coords[3];
  173. pdata->boot_address = MXT_BOOT_ADDRESS;
  174. pdata->firmware_name = MXT_FIRMWARE_NAME;
  175. pdata->num_touchkey = ARRAY_SIZE(mxt_touchkey_data);
  176. pdata->touchkey = mxt_touchkey_data;
  177. pr_err("%s num_xnode= %d, num_ynode= %d, max_x= %d, max_y= %d, boot_addr= 0x%02x\n",
  178. __func__, pdata->num_xnode, pdata->num_ynode,
  179. pdata->max_x, pdata->max_y, pdata->boot_address);
  180. return 0;
  181. }
  182. #else
  183. static int mxt_parse_dt(struct device *dev,
  184. struct mxt_platform_data *pdata)
  185. {
  186. return -ENODEV;
  187. }
  188. #endif
  189. static int mxt_request_gpio(struct mxt_data *data)
  190. {
  191. int ret;
  192. printk(KERN_INFO "%s\n", __func__);
  193. ret = gpio_request(data->pdata->tsp_rst, "mxts,tsp_rst");
  194. if (ret) {
  195. pr_err("%s: unable to request tsp_rst [%d]\n",
  196. __func__, data->pdata->tsp_en);
  197. return ret;
  198. }
  199. gpio_tlmm_config(GPIO_CFG(data->pdata->tsp_rst, 0,
  200. GPIO_CFG_OUTPUT, GPIO_CFG_NO_PULL, GPIO_CFG_2MA), 1);
  201. ret = gpio_request(data->pdata->tsp_en, "mxts,tsppwr_en");
  202. if (ret) {
  203. pr_err("%s: unable to request tsppwer_en [%d]\n",
  204. __func__, data->pdata->tsp_en);
  205. return ret;
  206. }
  207. gpio_tlmm_config(GPIO_CFG(data->pdata->tsp_en, 0,
  208. GPIO_CFG_OUTPUT, GPIO_CFG_NO_PULL, GPIO_CFG_2MA), 1);
  209. ret = gpio_request(data->pdata->tsp_en1, "mxts,tsppwr_en1");
  210. if (ret) {
  211. pr_err("%s: unable to request tsppwer_en1 [%d]\n",
  212. __func__, data->pdata->tsp_en1);
  213. return ret;
  214. }
  215. gpio_tlmm_config(GPIO_CFG(data->pdata->tsp_en1, 0,
  216. GPIO_CFG_OUTPUT, GPIO_CFG_NO_PULL, GPIO_CFG_2MA), 1);
  217. ret = gpio_request(data->pdata->tsp_int, "mxts,tsp_int");
  218. if (ret) {
  219. pr_err("%s: unable to request tsp_int [%d]\n",
  220. __func__, data->pdata->tsp_int);
  221. return ret;
  222. }
  223. return ret;
  224. }
  225. static int mxt_power_onoff(struct mxt_data *data, bool enable)
  226. {
  227. int ret = 0;
  228. static struct regulator *reg_l10;
  229. if (!reg_l10) {
  230. reg_l10 = regulator_get(NULL, "8941_l10");
  231. if (IS_ERR(reg_l10)) {
  232. dev_err(&data->client->dev,
  233. "%s: could not get 8917_l10, rc = %ld\n",
  234. __func__, PTR_ERR(reg_l10));
  235. return -EINVAL;
  236. }
  237. ret = regulator_set_voltage(reg_l10, 1800000, 1800000);
  238. if (ret) {
  239. dev_err(&data->client->dev,
  240. "%s: unable to set l10 voltage to 1.8V\n",
  241. __func__);
  242. return -EINVAL;
  243. }
  244. }
  245. if (enable) {
  246. if (regulator_is_enabled(reg_l10))
  247. dev_err(&data->client->dev,
  248. "%s: L10(1.8V) is already enabled\n", __func__);
  249. else
  250. ret = regulator_enable(reg_l10);
  251. if (ret) {
  252. dev_err(&data->client->dev,
  253. "%s: enable l10 failed, rc=%d\n",
  254. __func__, ret);
  255. return -EINVAL;
  256. }
  257. dev_info(&data->client->dev,
  258. "%s: tsp 1.8V on is finished.\n", __func__);
  259. } else {
  260. if (regulator_is_enabled(reg_l10))
  261. ret = regulator_disable(reg_l10);
  262. else
  263. dev_err(&data->client->dev,
  264. "%s: L10(1.8V) is disabled\n", __func__);
  265. if (ret) {
  266. dev_err(&data->client->dev,
  267. "%s: disable l10 failed, rc=%d\n",
  268. __func__, ret);
  269. return -EINVAL;
  270. }
  271. dev_info(&data->client->dev,
  272. "%s: tsp 1.8V off is finished.\n", __func__);
  273. }
  274. dev_err(&data->client->dev,
  275. "%s enable(%d)\n", __func__, enable);
  276. /* Sometime TSP self test fail when TSP_SW3_2.8V is low(0), so change Power sequence */
  277. ret = gpio_direction_output(data->pdata->tsp_en1, enable);
  278. if (ret) {
  279. dev_err(&data->client->dev,
  280. "[TKEY]%s: unable to set_direction for vdd_led [%d]\n",
  281. __func__, data->pdata->tsp_en1);
  282. return -EINVAL;
  283. }
  284. msleep(1);
  285. ret = gpio_direction_output(data->pdata->tsp_en, enable);
  286. if (ret) {
  287. dev_err(&data->client->dev,
  288. "[TKEY]%s: unable to set_direction for vdd_led [%d]\n",
  289. __func__, data->pdata->tsp_en);
  290. return -EINVAL;
  291. }
  292. msleep(30);
  293. ret = gpio_direction_output(data->pdata->tsp_rst, enable);
  294. if (ret) {
  295. dev_err(&data->client->dev,
  296. "%s: unable to set_direction for tsp_rst [%d]\n",
  297. __func__, data->pdata->tsp_en1);
  298. return -EINVAL;
  299. }
  300. msleep(100);
  301. return 0;
  302. }
  303. static int mxt_read_mem(struct mxt_data *data, u16 reg, u8 len, void *buf)
  304. {
  305. int ret = 0, i = 0;
  306. u16 le_reg = cpu_to_le16(reg);
  307. struct i2c_msg msg[2] = {
  308. {
  309. .addr = data->client->addr,
  310. .flags = 0,
  311. .len = 2,
  312. .buf = (u8 *)&le_reg,
  313. },
  314. {
  315. .addr = data->client->addr,
  316. .flags = I2C_M_RD,
  317. .len = len,
  318. .buf = buf,
  319. },
  320. };
  321. #if TSP_USE_ATMELDBG
  322. if (data->atmeldbg.block_access)
  323. return 0;
  324. #endif
  325. for (i = 0; i < 3 ; i++) {
  326. ret = i2c_transfer(data->client->adapter, msg, 2);
  327. if (ret < 0)
  328. dev_err(&data->client->dev, "%s fail[%d] address[0x%x]\n",
  329. __func__, ret, le_reg);
  330. else
  331. break;
  332. }
  333. return ret == 2 ? 0 : -EIO;
  334. }
  335. static int mxt_write_mem(struct mxt_data *data,
  336. u16 reg, u8 len, const u8 *buf)
  337. {
  338. int ret = 0, i = 0;
  339. u8 tmp[len + 2];
  340. #if TSP_USE_ATMELDBG
  341. if (data->atmeldbg.block_access)
  342. return 0;
  343. #endif
  344. put_unaligned_le16(cpu_to_le16(reg), tmp);
  345. memcpy(tmp + 2, buf, len);
  346. for (i = 0; i < 3 ; i++) {
  347. ret = i2c_master_send(data->client, tmp, sizeof(tmp));
  348. if (ret < 0)
  349. dev_err(&data->client->dev, "%s %d times write error on address[0x%x,0x%x]\n",
  350. __func__, i, tmp[1], tmp[0]);
  351. else
  352. break;
  353. }
  354. return ret == sizeof(tmp) ? 0 : -EIO;
  355. }
  356. static struct mxt_object *
  357. mxt_get_object(struct mxt_data *data, u8 type)
  358. {
  359. struct mxt_object *object;
  360. int i;
  361. if (!data->objects)
  362. return NULL;
  363. for (i = 0; i < data->info.object_num; i++) {
  364. object = data->objects + i;
  365. if (object->type == type)
  366. return object;
  367. }
  368. dev_err(&data->client->dev, "Invalid object type T%d\n",
  369. type);
  370. return NULL;
  371. }
  372. static int mxt_read_message(struct mxt_data *data,
  373. struct mxt_message *message)
  374. {
  375. struct mxt_object *object;
  376. object = mxt_get_object(data, MXT_GEN_MESSAGEPROCESSOR_T5);
  377. if (!object)
  378. return -EINVAL;
  379. return mxt_read_mem(data, object->start_address,
  380. sizeof(struct mxt_message), message);
  381. }
  382. static int mxt_read_message_reportid(struct mxt_data *data,
  383. struct mxt_message *message, u8 reportid)
  384. {
  385. int try = 0;
  386. int error;
  387. int fail_count;
  388. fail_count = data->max_reportid * 2;
  389. while (++try < fail_count) {
  390. error = mxt_read_message(data, message);
  391. if (error)
  392. return error;
  393. if (message->reportid == 0xff)
  394. continue;
  395. if (message->reportid == reportid)
  396. return 0;
  397. }
  398. return -EINVAL;
  399. }
  400. static int mxt_read_object(struct mxt_data *data,
  401. u8 type, u8 offset, u8 *val)
  402. {
  403. struct mxt_object *object;
  404. int error = 0;
  405. object = mxt_get_object(data, type);
  406. if (!object)
  407. return -EINVAL;
  408. error = mxt_read_mem(data, object->start_address + offset, 1, val);
  409. if (error)
  410. dev_err(&data->client->dev, "Error to read T[%d] offset[%d] val[%d]\n",
  411. type, offset, *val);
  412. return error;
  413. }
  414. static int mxt_write_object(struct mxt_data *data,
  415. u8 type, u8 offset, u8 val)
  416. {
  417. struct mxt_object *object;
  418. int error = 0;
  419. u16 reg;
  420. object = mxt_get_object(data, type);
  421. if (!object)
  422. return -EINVAL;
  423. if (offset >= object->size * object->instances) {
  424. dev_err(&data->client->dev, "Tried to write outside object T%d offset:%d, size:%d\n",
  425. type, offset, object->size);
  426. return -EINVAL;
  427. }
  428. reg = object->start_address;
  429. error = mxt_write_mem(data, reg + offset, 1, &val);
  430. if (error)
  431. dev_err(&data->client->dev, "Error to write T[%d] offset[%d] val[%d]\n",
  432. type, offset, val);
  433. return error;
  434. }
  435. static u32 mxt_make_crc24(u32 crc, u8 byte1, u8 byte2)
  436. {
  437. static const u32 crcpoly = 0x80001B;
  438. u32 res;
  439. u16 data_word;
  440. data_word = (((u16)byte2) << 8) | byte1;
  441. res = (crc << 1) ^ (u32)data_word;
  442. if (res & 0x1000000)
  443. res ^= crcpoly;
  444. return res;
  445. }
  446. static int mxt_calculate_infoblock_crc(struct mxt_data *data,
  447. u32 *crc_pointer)
  448. {
  449. u32 crc = 0;
  450. u8 mem[7 + data->info.object_num * 6];
  451. int ret;
  452. int i;
  453. ret = mxt_read_mem(data, 0, sizeof(mem), mem);
  454. if (ret)
  455. return ret;
  456. for (i = 0; i < sizeof(mem) - 1; i += 2)
  457. crc = mxt_make_crc24(crc, mem[i], mem[i + 1]);
  458. *crc_pointer = mxt_make_crc24(crc, mem[i], 0) & 0x00FFFFFF;
  459. return 0;
  460. }
  461. static int mxt_read_info_crc(struct mxt_data *data, u32 *crc_pointer)
  462. {
  463. u16 crc_address;
  464. u8 msg[3];
  465. int ret;
  466. /* Read Info block CRC address */
  467. crc_address = MXT_OBJECT_TABLE_START_ADDRESS +
  468. data->info.object_num * MXT_OBJECT_TABLE_ELEMENT_SIZE;
  469. ret = mxt_read_mem(data, crc_address, 3, msg);
  470. if (ret)
  471. return ret;
  472. *crc_pointer = msg[0] | (msg[1] << 8) | (msg[2] << 16);
  473. return 0;
  474. }
  475. static int mxt_read_config_crc(struct mxt_data *data, u32 *crc)
  476. {
  477. struct device *dev = &data->client->dev;
  478. struct mxt_message message;
  479. struct mxt_object *object;
  480. int error;
  481. object = mxt_get_object(data, MXT_GEN_COMMANDPROCESSOR_T6);
  482. if (!object)
  483. return -EIO;
  484. /* Try to read the config checksum of the existing cfg */
  485. mxt_write_object(data, MXT_GEN_COMMANDPROCESSOR_T6,
  486. MXT_COMMAND_REPORTALL, 1);
  487. /* Read message from command processor, which only has one report ID */
  488. error = mxt_read_message_reportid(data, &message, object->max_reportid);
  489. if (error) {
  490. dev_err(dev, "Failed to retrieve CRC\n");
  491. return error;
  492. }
  493. /* Bytes 1-3 are the checksum. */
  494. *crc = message.message[1] | (message.message[2] << 8) |
  495. (message.message[3] << 16);
  496. return 0;
  497. }
  498. static int mxt_check_instance(struct mxt_data *data, u8 type)
  499. {
  500. int i;
  501. for (i = 0; i < data->info.object_num; i++) {
  502. if (data->objects[i].type == type)
  503. return data->objects[i].instances;
  504. }
  505. return 0;
  506. }
  507. static int mxt_init_write_config(struct mxt_data *data,
  508. u8 type, const u8 *cfg)
  509. {
  510. struct mxt_object *object;
  511. u8 *temp;
  512. int ret;
  513. object = mxt_get_object(data, type);
  514. if (!object)
  515. return -EINVAL;
  516. if ((object->size == 0) || (object->start_address == 0)) {
  517. dev_err(&data->client->dev, "%s error T%d\n",
  518. __func__, type);
  519. return -ENODEV;
  520. }
  521. ret = mxt_write_mem(data, object->start_address,
  522. object->size, cfg);
  523. if (ret) {
  524. dev_err(&data->client->dev, "%s write error T%d address[0x%x]\n",
  525. __func__, type, object->start_address);
  526. return ret;
  527. }
  528. if (mxt_check_instance(data, type)) {
  529. temp = kzalloc(object->size, GFP_KERNEL);
  530. if (temp == NULL)
  531. return -ENOMEM;
  532. ret |= mxt_write_mem(data, object->start_address + object->size,
  533. object->size, temp);
  534. kfree(temp);
  535. }
  536. return ret;
  537. }
  538. static int mxt_write_config_from_pdata(struct mxt_data *data)
  539. {
  540. struct device *dev = &data->client->dev;
  541. u8 **tsp_config = (u8 **)data->pdata->config;
  542. u8 i;
  543. int ret = 0;
  544. if (!tsp_config) {
  545. dev_info(dev, "No cfg data in pdata\n");
  546. return 0;
  547. }
  548. for (i = 0; tsp_config[i][0] != MXT_RESERVED_T255; i++) {
  549. ret = mxt_init_write_config(data, tsp_config[i][0],
  550. tsp_config[i] + 1);
  551. if (ret)
  552. return ret;
  553. }
  554. return ret;
  555. }
  556. static int mxt_check_config_crc(struct mxt_fw_info *fw_info)
  557. {
  558. struct mxt_data *data = fw_info->data;
  559. struct device *dev = &data->client->dev;
  560. u32 current_crc;
  561. int ret;
  562. /* Get config CRC from device */
  563. ret = mxt_read_config_crc(data, &current_crc);
  564. if (ret)
  565. return ret;
  566. /* Check config CRC */
  567. if (current_crc == fw_info->cfg_crc) {
  568. dev_info(dev, "Skip writing backup and reset:[CRC 0x%06X]\n",
  569. current_crc);
  570. return 0;
  571. }
  572. return 1;
  573. }
  574. static int mxt_write_config(struct mxt_fw_info *fw_info)
  575. {
  576. struct mxt_data *data = fw_info->data;
  577. struct device *dev = &data->client->dev;
  578. struct mxt_object *object;
  579. struct mxt_cfg_data *cfg_data;
  580. u32 current_crc;
  581. u8 i, val = 0;
  582. u16 reg, index;
  583. int ret;
  584. if (!fw_info->cfg_raw_data) {
  585. dev_info(dev, "No cfg data in file\n");
  586. ret = mxt_write_config_from_pdata(data);
  587. return ret;
  588. }
  589. /* Get config CRC from device */
  590. ret = mxt_read_config_crc(data, &current_crc);
  591. if (ret)
  592. return ret;
  593. /* Check Version information */
  594. if (fw_info->fw_ver != data->info.version) {
  595. dev_err(dev, "Warning: version mismatch! %s\n", __func__);
  596. return 0;
  597. }
  598. if (fw_info->build_ver != data->info.build) {
  599. dev_err(dev, "Warning: build num mismatch! %s\n", __func__);
  600. return 0;
  601. }
  602. /* Check config CRC */
  603. if (current_crc == fw_info->cfg_crc) {
  604. dev_info(dev, "Skip writing Config:[CRC 0x%06X]\n",
  605. current_crc);
  606. return 0;
  607. }
  608. dev_info(dev, "Writing Config:[CRC 0x%06X!=0x%06X]\n",
  609. current_crc, fw_info->cfg_crc);
  610. /* Write config info */
  611. for (index = 0; index < fw_info->cfg_len;) {
  612. if (index + sizeof(struct mxt_cfg_data) >= fw_info->cfg_len) {
  613. dev_err(dev, "index(%d) of cfg_data exceeded total size(%d)!!\n",
  614. index + sizeof(struct mxt_cfg_data),
  615. fw_info->cfg_len);
  616. return -EINVAL;
  617. }
  618. /* Get the info about each object */
  619. cfg_data = (struct mxt_cfg_data *)
  620. (&fw_info->cfg_raw_data[index]);
  621. index += sizeof(struct mxt_cfg_data) + cfg_data->size;
  622. if (index > fw_info->cfg_len) {
  623. dev_err(dev, "index(%d) of cfg_data exceeded total size(%d) in T%d object!!\n",
  624. index, fw_info->cfg_len, cfg_data->type);
  625. return -EINVAL;
  626. }
  627. object = mxt_get_object(data, cfg_data->type);
  628. if (!object) {
  629. dev_err(dev, "T%d is Invalid object type\n",
  630. cfg_data->type);
  631. return -EINVAL;
  632. }
  633. /* Check and compare the size, instance of each object */
  634. if (cfg_data->size > object->size) {
  635. dev_err(dev, "T%d Object length exceeded!\n",
  636. cfg_data->type);
  637. return -EINVAL;
  638. }
  639. if (cfg_data->instance >= object->instances) {
  640. dev_err(dev, "T%d Object instances exceeded!\n",
  641. cfg_data->type);
  642. return -EINVAL;
  643. }
  644. dev_dbg(dev, "Writing config for obj %d len %d instance %d (%d/%d)\n",
  645. cfg_data->type, object->size,
  646. cfg_data->instance, index, fw_info->cfg_len);
  647. reg = object->start_address + object->size * cfg_data->instance;
  648. /* Write register values of each object */
  649. ret = mxt_write_mem(data, reg, cfg_data->size,
  650. cfg_data->register_val);
  651. if (ret) {
  652. dev_err(dev, "Write T%d Object failed\n",
  653. object->type);
  654. return ret;
  655. }
  656. /*
  657. * If firmware is upgraded, new bytes may be added to end of
  658. * objects. It is generally forward compatible to zero these
  659. * bytes - previous behaviour will be retained. However
  660. * this does invalidate the CRC and will force a config
  661. * download every time until the configuration is updated.
  662. */
  663. if (cfg_data->size < object->size) {
  664. dev_err(dev, "Warning: zeroing %d byte(s) in T%d\n",
  665. object->size - cfg_data->size, cfg_data->type);
  666. for (i = cfg_data->size + 1; i < object->size; i++) {
  667. ret = mxt_write_mem(data, reg + i, 1, &val);
  668. if (ret)
  669. return ret;
  670. }
  671. }
  672. }
  673. dev_info(dev, "Updated configuration\n");
  674. return ret;
  675. }
  676. #if TSP_PATCH
  677. #include "mxts_patch.c"
  678. #endif
  679. #if TSP_INFORM_CHARGER
  680. extern void mxt_tsp_register_callback(struct mxt_callbacks *cb);
  681. static int set_charger_config(struct mxt_data *data)
  682. {
  683. int error;
  684. u8 value = 0;
  685. dev_info(&data->client->dev, "Current state is %s",
  686. data->charging_mode ? "Charging mode" : "Battery mode");
  687. /* if you need to change configuration depend on chager detection,
  688. * please insert below line.
  689. */
  690. if(data->chargin_status != data->charging_mode){
  691. if (data->charging_mode) {
  692. dev_info(&data->client->dev, "T62 CHARGON Enable\n");
  693. error = mxt_read_object(data, MXT_PROCG_NOISESUPPRESSION_T62,
  694. 1, &value);
  695. if (error) {
  696. dev_err(&data->client->dev, "%s: Error read T62 [%d]\n",
  697. __func__, error);
  698. } else {
  699. #if TSP_PATCH
  700. if(data->patch.event_cnt)
  701. mxt_patch_test_event(data, 1);
  702. #else
  703. value |= 0x01;
  704. mxt_write_object(data, MXT_PROCG_NOISESUPPRESSION_T62,
  705. 1, value);
  706. #endif
  707. }
  708. } else {
  709. dev_info(&data->client->dev, "T62 CHARGON Disable\n");
  710. error = mxt_read_object(data, MXT_PROCG_NOISESUPPRESSION_T62,
  711. 1, &value);
  712. if (error) {
  713. dev_err(&data->client->dev, "%s: Error read T62 [%d]\n",
  714. __func__, error);
  715. } else {
  716. #if TSP_PATCH
  717. if(data->patch.event_cnt)
  718. mxt_patch_test_event(data, 0);
  719. #else
  720. value &= ~(0x01);
  721. mxt_write_object(data, MXT_PROCG_NOISESUPPRESSION_T62,
  722. 1, value);
  723. #endif
  724. }
  725. }
  726. data->chargin_status = data->charging_mode;
  727. #ifdef WORKAROUND_THRESHOLD
  728. if (data->setdata == 1 && system_rev < 11) {
  729. #if TSP_PATCH
  730. dev_info(&data->client->dev, "RF Mode\n");
  731. if(data->patch.event_cnt)
  732. mxt_patch_test_event(data, 3);
  733. #endif
  734. }
  735. #endif
  736. }
  737. return 0;
  738. }
  739. static void inform_charger(struct mxt_callbacks *cb,
  740. bool en)
  741. {
  742. struct mxt_data *data = container_of(cb,
  743. struct mxt_data, callbacks);
  744. cancel_delayed_work_sync(&data->noti_dwork);
  745. data->charging_mode = en;
  746. schedule_delayed_work(&data->noti_dwork, HZ / 5);
  747. }
  748. static void charger_noti_dwork(struct work_struct *work)
  749. {
  750. struct mxt_data *data =
  751. container_of(work, struct mxt_data,
  752. noti_dwork.work);
  753. if (!data->mxt_enabled) {
  754. schedule_delayed_work(&data->noti_dwork, HZ / 5);
  755. return ;
  756. }
  757. dev_info(&data->client->dev, "%s mode\n",
  758. data->charging_mode ? "charging" : "battery");
  759. set_charger_config(data);
  760. }
  761. static void inform_charger_init(struct mxt_data *data)
  762. {
  763. INIT_DELAYED_WORK(&data->noti_dwork, charger_noti_dwork);
  764. }
  765. #endif
  766. static void mxt_report_input_data(struct mxt_data *data)
  767. {
  768. int i;
  769. int count = 0;
  770. int report_count = 0;
  771. u16 sum_size = 0; //20131231
  772. u16 touchMajor; /* 0309 */
  773. #if TSP_USE_SHAPETOUCH /* 0309 */
  774. u16 touchMinor;
  775. u8 c1;
  776. u8 c2;
  777. #endif
  778. for (i = 0; i < MXT_MAX_FINGER; i++) {
  779. if (data->fingers[i].state == MXT_STATE_INACTIVE)
  780. continue;
  781. input_mt_slot(data->input_dev, i);
  782. if (data->fingers[i].state == MXT_STATE_RELEASE) {
  783. #if TSP_USE_PALM_FLAG
  784. input_report_abs(data->input_dev, ABS_MT_PALM,
  785. data->palm);
  786. #endif
  787. input_mt_report_slot_state(data->input_dev,
  788. MT_TOOL_FINGER, false);
  789. } else {
  790. input_mt_report_slot_state(data->input_dev,
  791. MT_TOOL_FINGER, true);
  792. input_report_abs(data->input_dev, ABS_MT_POSITION_X,
  793. data->fingers[i].x);
  794. input_report_abs(data->input_dev, ABS_MT_POSITION_Y,
  795. data->fingers[i].y);
  796. #ifdef PALM_TUNING
  797. #if USE_FOR_SUFACE //20131220
  798. if (!data->charging_mode) {
  799. data->fingers[i].w += 10;
  800. }
  801. #endif
  802. #endif
  803. touchMajor = data->fingers[i].w; /* 0309 */
  804. #if TSP_USE_SHAPETOUCH /* 0309 */
  805. //for improving palm sweep
  806. c1 = data->fingers[i].component >> 4;
  807. c2 = data->fingers[i].component & 0x0F;
  808. //magnitude = sqrt(c1*c1 + c2*c2);
  809. //0309 Need debug print for mag?
  810. touchMinor = touchMajor;
  811. touchMajor = touchMinor * int_sqrt(c1*c1 + c2*c2);
  812. input_report_abs(data->input_dev, ABS_MT_TOUCH_MINOR,
  813. touchMinor);
  814. #endif
  815. input_report_abs(data->input_dev, ABS_MT_TOUCH_MAJOR,
  816. touchMajor);
  817. input_report_abs(data->input_dev, ABS_MT_PRESSURE,
  818. data->fingers[i].z);
  819. #if TSP_USE_SHAPETOUCH
  820. sum_size = data->sumsize;
  821. #if USE_FOR_SUFACE //20131211
  822. #ifdef PALM_TUNING
  823. if (!data->charging_mode) {
  824. sum_size = (data->sumsize * 16) / 10; //20131231
  825. }
  826. #else
  827. if (!data->charging_mode) {
  828. if(data->sumsize > 20)
  829. sum_size = data->sumsize + 30;
  830. }
  831. #endif
  832. #endif //20131211
  833. #endif
  834. #if TSP_USE_PALM_FLAG
  835. input_report_abs(data->input_dev, ABS_MT_PALM,
  836. data->palm);
  837. #endif
  838. #if TSP_HOVER_WORKAROUND
  839. if (data->fingers[i].type
  840. == MXT_T100_TYPE_HOVERING_FINGER)
  841. /* hover is reported */
  842. input_report_key(data->input_dev,
  843. BTN_TOUCH, 0);
  844. else
  845. /* finger or passive stylus are reported */
  846. input_report_key(data->input_dev,
  847. BTN_TOUCH, 1);
  848. #endif
  849. }
  850. report_count++;
  851. #if !defined(CONFIG_SAMSUNG_PRODUCT_SHIP)
  852. if (data->fingers[i].state == MXT_STATE_PRESS) {
  853. dev_info(&data->client->dev, "[P][%d]: T[%d][%d] X[%d],Y[%d],W[%d],Z[%d]\n",
  854. i, data->fingers[i].type,
  855. data->fingers[i].event, data->fingers[i].x, data->fingers[i].y,
  856. data->fingers[i].w, data->fingers[i].z);
  857. #if TSP_USE_SHAPETOUCH
  858. pr_cont(",PALM[%d],COMP[%d],SUM[%d],AREA[%d]\n",
  859. data->palm, data->fingers[i].component,
  860. data->sumsize, data->fingers[i].w);
  861. #else
  862. pr_cont("\n");
  863. #endif
  864. }
  865. #else
  866. if (data->fingers[i].state == MXT_STATE_PRESS)
  867. dev_info(&data->client->dev, "[P][%d]: T[%d][%d]\n",
  868. i, data->fingers[i].type,
  869. data->fingers[i].event);
  870. #endif
  871. else if (data->fingers[i].state == MXT_STATE_RELEASE)
  872. dev_info(&data->client->dev, "[R][%d]: T[%d][%d] M[%d]\n",
  873. i, data->fingers[i].type,
  874. data->fingers[i].event,
  875. data->fingers[i].mcount);
  876. if (data->fingers[i].state == MXT_STATE_RELEASE) {
  877. data->fingers[i].state = MXT_STATE_INACTIVE;
  878. data->fingers[i].mcount = 0;
  879. } else {
  880. data->fingers[i].state = MXT_STATE_MOVE;
  881. count++;
  882. }
  883. }
  884. #if TSP_HOVER_WORKAROUND
  885. if (count == 0) {
  886. input_report_key(data->input_dev, BTN_TOUCH, 0);
  887. }
  888. #endif
  889. if (report_count > 0) {
  890. #if TSP_USE_ATMELDBG
  891. if (!data->atmeldbg.stop_sync)
  892. #endif
  893. input_sync(data->input_dev);
  894. }
  895. #if TSP_BOOSTER
  896. mxt_set_dvfs_lock(data, count);
  897. #endif
  898. data->finger_mask = 0;
  899. }
  900. static void mxt_release_all_finger(struct mxt_data *data)
  901. {
  902. int i;
  903. int count = 0;
  904. dev_info(&data->client->dev, "%s\n", __func__);
  905. for (i = 0; i < MXT_MAX_FINGER; i++) {
  906. if (data->fingers[i].state == MXT_STATE_INACTIVE)
  907. continue;
  908. data->fingers[i].z = 0;
  909. data->fingers[i].state = MXT_STATE_RELEASE;
  910. count++;
  911. }
  912. if (count) {
  913. dev_err(&data->client->dev, "%s\n", __func__);
  914. mxt_report_input_data(data);
  915. }
  916. }
  917. #if TSP_HOVER_WORKAROUND
  918. static void mxt_current_calibration(struct mxt_data *data)
  919. {
  920. dev_info(&data->client->dev, "%s\n", __func__);
  921. mxt_write_object(data, MXT_SPT_SELFCAPHOVERCTECONFIG_T102, 1, 1);
  922. }
  923. #endif
  924. static void mxt_treat_T6_object(struct mxt_data *data,
  925. struct mxt_message *message)
  926. {
  927. dev_info(&data->client->dev, "%s\n", __func__);
  928. /* Normal mode */
  929. if (message->message[0] == 0x00) {
  930. dev_info(&data->client->dev, "Normal mode\n");
  931. #if TSP_INFORM_CHARGER
  932. set_charger_config(data);
  933. #endif
  934. #if TSP_HOVER_WORKAROUND
  935. /* TODO HOVER : Below commands should be removed.
  936. */
  937. if (data->pdata->revision == MXT_REVISION_I
  938. && data->cur_cal_status) {
  939. mxt_current_calibration(data);
  940. data->cur_cal_status = false;
  941. }
  942. #endif
  943. }
  944. /* I2C checksum error */
  945. if (message->message[0] & 0x04)
  946. dev_err(&data->client->dev, "I2C checksum error\n");
  947. /* Config error */
  948. if (message->message[0] & 0x08)
  949. dev_err(&data->client->dev, "Config error\n");
  950. /* Calibration */
  951. if (message->message[0] & 0x10){
  952. dev_info(&data->client->dev, "Calibration is on going !!\n");
  953. }
  954. /* Signal error */
  955. if (message->message[0] & 0x20)
  956. dev_err(&data->client->dev, "Signal error\n");
  957. /* Overflow */
  958. if (message->message[0] & 0x40)
  959. dev_err(&data->client->dev, "Overflow detected\n");
  960. /* Reset */
  961. if (message->message[0] & 0x80) {
  962. dev_info(&data->client->dev, "Reset is ongoing\n");
  963. #if TSP_INFORM_CHARGER
  964. data->chargin_status = 0xff;
  965. #endif
  966. #if TSP_HOVER_WORKAROUND
  967. /* TODO HOVER : Below commands should be removed.
  968. * it added just for hover. Current firmware shoud set the acqusition mode
  969. * with free-run and run current calibration after receive reset command
  970. * to support hover functionality.
  971. * it is bug of firmware. and it will be fixed in firmware level.
  972. */
  973. if (data->pdata->revision == MXT_REVISION_I) {
  974. int error = 0;
  975. u8 value = 0;
  976. error = mxt_read_object(data,
  977. MXT_SPT_TOUCHSCREENHOVER_T101, 0, &value);
  978. if (error) {
  979. dev_err(&data->client->dev, "Error read hover enable status[%d]\n"
  980. , error);
  981. } else {
  982. if (value)
  983. data->cur_cal_status = true;
  984. }
  985. }
  986. #endif
  987. }
  988. }
  989. #if ENABLE_TOUCH_KEY
  990. static void mxt_release_all_keys(struct mxt_data *data)
  991. {
  992. int i = 0;
  993. if (data->tsp_keystatus != TOUCH_KEY_NULL) {
  994. if (data->report_dummy_key) {
  995. for (i = 0 ; i < data->pdata->num_touchkey ; i++) {
  996. if (data->tsp_keystatus & data->pdata->touchkey[i].value) {
  997. /* report all touch-key event */
  998. input_report_key(data->input_dev,
  999. data->pdata->touchkey[i].keycode, KEY_RELEASE);
  1000. dev_info(&data->client->dev, "%s:[TSP_KEY] %s R!\n",
  1001. __func__, data->pdata->touchkey[i].name);
  1002. }
  1003. }
  1004. } else {
  1005. /* menu key check*/
  1006. if (data->tsp_keystatus & TOUCH_KEY_MENU) {
  1007. if(data->ignore_menu_key) {
  1008. dev_info(&data->client->dev,
  1009. "%s: [TSP_KEY] Ignore menu R! by dummy key\n",
  1010. __func__);
  1011. }else {
  1012. #ifdef USE_MENU_TOUCHKEY
  1013. input_report_key(data->input_dev, KEY_MENU, KEY_RELEASE);
  1014. #else
  1015. input_report_key(data->input_dev, KEY_RECENT, KEY_RELEASE);
  1016. #endif
  1017. dev_info(&data->client->dev,
  1018. "%s: [TSP_KEY] menu R!\n", __func__);
  1019. #if MXT_TKEY_BOOSTER
  1020. mxt_tkey_set_dvfs_lock(data, !!KEY_RELEASE);
  1021. #endif
  1022. }
  1023. }
  1024. /* back key check*/
  1025. if (data->tsp_keystatus & TOUCH_KEY_BACK) {
  1026. if (data->ignore_back_key) {
  1027. dev_info(&data->client->dev,
  1028. "%s: [TSP_KEY] Ignore back R! by dummy key\n",
  1029. __func__);
  1030. } else {
  1031. input_report_key(data->input_dev, KEY_BACK, KEY_RELEASE);
  1032. dev_info(&data->client->dev,
  1033. "%s: [TSP_KEY] back R!\n", __func__);
  1034. #if MXT_TKEY_BOOSTER
  1035. mxt_tkey_set_dvfs_lock(data, !!KEY_RELEASE);
  1036. #endif
  1037. }
  1038. }
  1039. }
  1040. input_sync(data->input_dev);
  1041. data->tsp_keystatus = TOUCH_KEY_NULL;
  1042. if (data->ignore_menu_key) {
  1043. data->ignore_menu_key = false;
  1044. dev_info(&data->client->dev,
  1045. "%s: [TSP_KEY] ignore_menu_key Disable\n",
  1046. __func__);
  1047. }
  1048. if (data->ignore_back_key) {
  1049. data->ignore_back_key = false;
  1050. dev_info(&data->client->dev,
  1051. "%s: [TSP_KEY] ignore_back_key Disable\n",
  1052. __func__);
  1053. }
  1054. }
  1055. }
  1056. static void mxt_treat_T15_object(struct mxt_data *data,
  1057. struct mxt_message *message)
  1058. {
  1059. u8 input_status = message->message[MXT_MSG_T15_STATUS] & MXT_MSGB_T15_DETECT;
  1060. u8 input_message = message->message[MXT_MSG_T15_KEYSTATE];
  1061. int i;
  1062. u8 change_state = input_message ^ data->tsp_keystatus;
  1063. u8 key_state;
  1064. /* single key configuration*/
  1065. if (input_status) { /* press */
  1066. if (data->report_dummy_key) {
  1067. for (i = 0 ; i < data->pdata->num_touchkey ; i++) {
  1068. if (change_state & data->pdata->touchkey[i].value) {
  1069. key_state = input_message & data->pdata->touchkey[i].value;
  1070. input_report_key(data->input_dev,
  1071. data->pdata->touchkey[i].keycode,
  1072. key_state != 0 ? KEY_PRESS : KEY_RELEASE);
  1073. input_sync(data->input_dev);
  1074. dev_info(&data->client->dev, "%s: [TSP_KEY] %s %s\n",
  1075. __func__, data->pdata->touchkey[i].name,
  1076. key_state != 0 ? "P" : "R");
  1077. }
  1078. }
  1079. input_sync(data->input_dev);
  1080. } else {
  1081. /* menu key check*/
  1082. if (change_state & TOUCH_KEY_MENU) {
  1083. key_state = input_message & TOUCH_KEY_MENU;
  1084. if(data->ignore_menu_key) {
  1085. dev_info(&data->client->dev,
  1086. "%s: [TSP_KEY] Ignore menu %s by dummy key\n",
  1087. __func__, key_state != 0 ? "P" : "R");
  1088. if(!(input_message & TOUCH_KEY_D_MENU)){
  1089. data->ignore_menu_key = false;
  1090. dev_info(&data->client->dev,
  1091. "%s: [TSP_KEY] ignore_menu_key Disable\n",
  1092. __func__);
  1093. }
  1094. } else {
  1095. #ifdef USE_MENU_TOUCHKEY
  1096. input_report_key(data->input_dev, KEY_MENU, key_state != 0 ? KEY_PRESS : KEY_RELEASE);
  1097. #else
  1098. input_report_key(data->input_dev, KEY_RECENT, key_state != 0 ? KEY_PRESS : KEY_RELEASE);
  1099. #endif
  1100. dev_info(&data->client->dev,
  1101. "%s: [TSP_KEY] menu %s\n",
  1102. __func__, key_state != 0 ? "P" : "R");
  1103. #if MXT_TKEY_BOOSTER
  1104. mxt_tkey_set_dvfs_lock(data, !!key_state);
  1105. #endif
  1106. }
  1107. }
  1108. /* back key check*/
  1109. if (change_state & TOUCH_KEY_BACK) {
  1110. key_state = input_message & TOUCH_KEY_BACK;
  1111. if (data->ignore_back_key) {
  1112. dev_info(&data->client->dev,
  1113. "%s: [TSP_KEY] Ignore back %s by dummy key\n",
  1114. __func__, key_state != 0 ? "P" : "R");
  1115. if(!(input_message & TOUCH_KEY_D_BACK)){
  1116. data->ignore_back_key = false;
  1117. dev_info(&data->client->dev,
  1118. "%s: [TSP_KEY] ignore_back_key Disable\n",
  1119. __func__);
  1120. }
  1121. } else {
  1122. input_report_key(data->input_dev, KEY_BACK, key_state != 0 ? KEY_PRESS : KEY_RELEASE);
  1123. dev_info(&data->client->dev,
  1124. "%s: [TSP_KEY] back %s\n" ,
  1125. __func__, key_state != 0 ? "P" : "R");
  1126. #if MXT_TKEY_BOOSTER
  1127. mxt_tkey_set_dvfs_lock(data, !!key_state);
  1128. #endif
  1129. }
  1130. }
  1131. /* dummy menu key check*/
  1132. if (change_state & TOUCH_KEY_D_MENU) {
  1133. key_state = input_message & TOUCH_KEY_D_MENU;
  1134. if((key_state != 0) && !data->ignore_menu_key && !(input_message & TOUCH_KEY_MENU)) {
  1135. data->ignore_menu_key = true;
  1136. dev_info(&data->client->dev,
  1137. "%s: [TSP_KEY] ignore_menu_key Enable\n",
  1138. __func__);
  1139. } else if (!key_state && data->ignore_menu_key && !(input_message & TOUCH_KEY_MENU)) {
  1140. data->ignore_menu_key = false;
  1141. dev_info(&data->client->dev,
  1142. "%s: [TSP_KEY] ignore_menu_key Disable\n",
  1143. __func__);
  1144. }
  1145. }
  1146. /* dummy back key check*/
  1147. if (change_state & TOUCH_KEY_D_BACK) {
  1148. key_state = input_message & TOUCH_KEY_D_BACK;
  1149. if((key_state != 0) && !data->ignore_back_key && !(input_message & TOUCH_KEY_BACK)) {
  1150. data->ignore_back_key = true;
  1151. dev_info(&data->client->dev,
  1152. "%s: [TSP_KEY] ignore_back_key Enable\n",
  1153. __func__);
  1154. } else if (!key_state && data->ignore_back_key && !(input_message & TOUCH_KEY_BACK)) {
  1155. data->ignore_back_key = false;
  1156. dev_info(&data->client->dev,
  1157. "%s: [TSP_KEY] ignore_back_key Disable\n",
  1158. __func__);
  1159. }
  1160. }
  1161. input_sync(data->input_dev);
  1162. }
  1163. } else {
  1164. mxt_release_all_keys(data);
  1165. }
  1166. data->tsp_keystatus = input_message;
  1167. return;
  1168. }
  1169. #endif
  1170. static void mxt_treat_T9_object(struct mxt_data *data,
  1171. struct mxt_message *message)
  1172. {
  1173. int id;
  1174. u8 *msg = message->message;
  1175. id = data->reportids[message->reportid].index;
  1176. /* If not a touch event, return */
  1177. if (id >= MXT_MAX_FINGER) {
  1178. dev_err(&data->client->dev, "MAX_FINGER exceeded!\n");
  1179. return;
  1180. }
  1181. if (data->finger_mask & (1U << id))
  1182. mxt_report_input_data(data);
  1183. if (msg[0] & MXT_RELEASE_MSG_MASK) {
  1184. data->fingers[id].z = 0;
  1185. data->fingers[id].w = msg[4];
  1186. data->fingers[id].state = MXT_STATE_RELEASE;
  1187. #if TSP_USE_PALM_FLAG
  1188. data->palm = 0;
  1189. #endif
  1190. mxt_report_input_data(data);
  1191. } else if ((msg[0] & MXT_DETECT_MSG_MASK)
  1192. && (msg[0] & (MXT_PRESS_MSG_MASK | MXT_MOVE_MSG_MASK))) {
  1193. data->fingers[id].x = (msg[1] << 4) | (msg[3] >> 4);
  1194. data->fingers[id].y = (msg[2] << 4) | (msg[3] & 0xF);
  1195. if (msg[4] != 0) {
  1196. if (data->charging_mode)
  1197. data->fingers[id].w = msg[4];
  1198. else
  1199. data->fingers[id].w = msg[4] + 4;
  1200. } else
  1201. data->fingers[id].w = 1; //Passive stylus
  1202. data->fingers[id].z = msg[5];
  1203. if (data->fingers[id].z == 0) {
  1204. data->fingers[id].z = 1;
  1205. dev_info(&data->client->dev, "%s : Pressure is 0!!\n", __func__);
  1206. }
  1207. #if TSP_USE_SHAPETOUCH
  1208. data->fingers[id].component = msg[6];
  1209. #endif
  1210. if (data->pdata->max_x < 1024)
  1211. data->fingers[id].x = data->fingers[id].x >> 2;
  1212. if (data->pdata->max_y < 1024)
  1213. data->fingers[id].y = data->fingers[id].y >> 2;
  1214. if (msg[0] & MXT_PRESS_MSG_MASK) {
  1215. data->fingers[id].state = MXT_STATE_PRESS;
  1216. data->fingers[id].mcount = 0;
  1217. } else if (msg[0] & MXT_MOVE_MSG_MASK) {
  1218. data->fingers[id].mcount += 1;
  1219. }
  1220. #if TSP_USE_PALM_FLAG
  1221. if(msg[0] & MXT_SUPPRESS_MSG_MASK)/*0x92(Detect|Move|Suppress)*/
  1222. data->palm = 1;
  1223. else
  1224. data->palm = 0;
  1225. /*
  1226. if(msg[0] & MXT_SUPPRESS_MSG_MASK)
  1227. data->fingers[id].palm = 1;
  1228. else
  1229. data->fingers[id].palm = 0;
  1230. */
  1231. #endif
  1232. } else if ((msg[0] & MXT_SUPPRESS_MSG_MASK)
  1233. && (data->fingers[id].state != MXT_STATE_INACTIVE)) {
  1234. if((msg[0] & MXT_DETECT_MSG_MASK) != MXT_DETECT_MSG_MASK){
  1235. data->fingers[id].z = 0;
  1236. data->fingers[id].w = msg[4];
  1237. data->fingers[id].state = MXT_STATE_RELEASE;
  1238. #if TSP_USE_PALM_FLAG
  1239. data->palm = 0;
  1240. #endif
  1241. mxt_report_input_data(data);
  1242. dev_info(&data->client->dev, "%s: Only Suppress w/o Detect\n",
  1243. __func__);
  1244. }
  1245. } else {
  1246. /* ignore changed amplitude and vector messsage */
  1247. if (!((msg[0] & MXT_DETECT_MSG_MASK)
  1248. && (msg[0] & MXT_AMPLITUDE_MSG_MASK
  1249. || msg[0] & MXT_VECTOR_MSG_MASK)))
  1250. dev_err(&data->client->dev, "Unknown state %#02x %#02x\n",
  1251. msg[0], msg[1]);
  1252. }
  1253. data->finger_mask |= 1U << id;
  1254. }
  1255. static void mxt_treat_T42_object(struct mxt_data *data,
  1256. struct mxt_message *message)
  1257. {
  1258. dev_info(&data->client->dev, "%s\n", __func__);
  1259. if (message->message[0] & 0x01) {
  1260. /* Palm Press */
  1261. dev_info(&data->client->dev, "palm touch detected\n");
  1262. } else {
  1263. /* Palm release */
  1264. dev_info(&data->client->dev, "palm touch released\n");
  1265. }
  1266. }
  1267. static void mxt_treat_T57_object(struct mxt_data *data,
  1268. struct mxt_message *message)
  1269. {
  1270. #if TSP_USE_SHAPETOUCH
  1271. data->sumsize = message->message[0] + (message->message[1] << 8);
  1272. #endif /* TSP_USE_SHAPETOUCH */
  1273. #if TSP_INFORM_CHARGER
  1274. if(data->charging_mode==0){
  1275. u16 tch_ch = message->message[2] | (message->message[3] << 8);
  1276. if(tch_ch > 15){
  1277. u16 batt_sumsize = tch_ch * 2;
  1278. if(data->sumsize < batt_sumsize)
  1279. data->sumsize = batt_sumsize;
  1280. }
  1281. }
  1282. #endif
  1283. }
  1284. #if 0
  1285. static void mxt_treat_T100_object(struct mxt_data *data,
  1286. struct mxt_message *message)
  1287. {
  1288. u8 id, index;
  1289. u8 *msg = message->message;
  1290. u8 touch_type = 0, touch_event = 0, touch_detect = 0;
  1291. dev_info(&data->client->dev, "%s\n", __func__);
  1292. index = data->reportids[message->reportid].index;
  1293. /* Treate screen messages */
  1294. if (index < MXT_T100_SCREEN_MESSAGE_NUM_RPT_ID) {
  1295. if (index == MXT_T100_SCREEN_MSG_FIRST_RPT_ID)
  1296. /* TODO: Need to be implemeted after fixed protocol
  1297. * This messages will indicate TCHAREA, ATCHAREA
  1298. */
  1299. dev_dbg(&data->client->dev, "SCRSTATUS:[%02X] %02X %04X %04X %04X\n",
  1300. msg[0], msg[1], (msg[3] << 8) | msg[2],
  1301. (msg[5] << 8) | msg[4],
  1302. (msg[7] << 8) | msg[6]);
  1303. #if TSP_USE_SHAPETOUCH
  1304. data->sumsize = (msg[3] << 8) | msg[2];
  1305. #endif /* TSP_USE_SHAPETOUCH */
  1306. return;
  1307. }
  1308. /* Treate touch status messages */
  1309. id = index - MXT_T100_SCREEN_MESSAGE_NUM_RPT_ID;
  1310. touch_detect = msg[0] >> MXT_T100_DETECT_MSG_MASK;
  1311. touch_type = (msg[0] & 0x70) >> 4;
  1312. touch_event = msg[0] & 0x0F;
  1313. dev_dbg(&data->client->dev, "TCHSTATUS [%d] : DETECT[%d] TYPE[%d] EVENT[%d] %d,%d,%d,%d,%d\n",
  1314. id, touch_detect, touch_type, touch_event,
  1315. msg[1] | (msg[2] << 8), msg[3] | (msg[4] << 8),
  1316. msg[5], msg[6], msg[7]);
  1317. switch (touch_type) {
  1318. case MXT_T100_TYPE_FINGER:
  1319. case MXT_T100_TYPE_PASSIVE_STYLUS:
  1320. case MXT_T100_TYPE_HOVERING_FINGER:
  1321. /* There are no touch on the screen */
  1322. if (!touch_detect) {
  1323. if (touch_event == MXT_T100_EVENT_UP
  1324. || touch_event == MXT_T100_EVENT_SUPPESS) {
  1325. data->fingers[id].w = 0;
  1326. data->fingers[id].z = 0;
  1327. data->fingers[id].state = MXT_STATE_RELEASE;
  1328. data->fingers[id].type = touch_type;
  1329. data->fingers[id].event = touch_event;
  1330. mxt_report_input_data(data);
  1331. } else {
  1332. dev_err(&data->client->dev, "Untreated Undetectd touch : type[%d], event[%d]\n",
  1333. touch_type, touch_event);
  1334. }
  1335. break;
  1336. }
  1337. /* There are touch on the screen */
  1338. if (touch_event == MXT_T100_EVENT_DOWN
  1339. || touch_event == MXT_T100_EVENT_UNSUPPRESS
  1340. || touch_event == MXT_T100_EVENT_MOVE
  1341. || touch_event == MXT_T100_EVENT_NONE) {
  1342. data->fingers[id].x = msg[1] | (msg[2] << 8);
  1343. data->fingers[id].y = msg[3] | (msg[4] << 8);
  1344. /* AUXDATA[n]'s order is depended on which values are
  1345. * enabled or not.
  1346. */
  1347. #if TSP_USE_SHAPETOUCH
  1348. data->fingers[id].component = msg[5];
  1349. #endif
  1350. data->fingers[id].z = msg[6];
  1351. data->fingers[id].w = msg[7];
  1352. if (touch_type == MXT_T100_TYPE_HOVERING_FINGER) {
  1353. data->fingers[id].w = 0;
  1354. data->fingers[id].z = 0;
  1355. }
  1356. if (touch_event == MXT_T100_EVENT_DOWN
  1357. || touch_event == MXT_T100_EVENT_UNSUPPRESS) {
  1358. data->fingers[id].state = MXT_STATE_PRESS;
  1359. data->fingers[id].mcount = 0;
  1360. } else {
  1361. data->fingers[id].state = MXT_STATE_MOVE;
  1362. data->fingers[id].mcount += 1;
  1363. }
  1364. data->fingers[id].type = touch_type;
  1365. data->fingers[id].event = touch_event;
  1366. mxt_report_input_data(data);
  1367. } else {
  1368. dev_err(&data->client->dev, "Untreated Detectd touch : type[%d], event[%d]\n",
  1369. touch_type, touch_event);
  1370. }
  1371. break;
  1372. case MXT_T100_TYPE_ACTIVE_STYLUS:
  1373. break;
  1374. }
  1375. }
  1376. #endif
  1377. static irqreturn_t mxt_irq_thread(int irq, void *ptr)
  1378. {
  1379. struct mxt_data *data = ptr;
  1380. struct mxt_message message;
  1381. struct device *dev = &data->client->dev;
  1382. u8 reportid, type;
  1383. do {
  1384. if (mxt_read_message(data, &message)) {
  1385. dev_err(dev, "Failed to read message\n");
  1386. goto end;
  1387. }
  1388. #if TSP_USE_ATMELDBG
  1389. if (data->atmeldbg.display_log) {
  1390. print_hex_dump(KERN_INFO, "MXT MSG:",
  1391. DUMP_PREFIX_NONE, 16, 1,
  1392. &message,
  1393. sizeof(struct mxt_message), false);
  1394. }
  1395. #endif
  1396. reportid = message.reportid;
  1397. if (reportid > data->max_reportid)
  1398. goto end;
  1399. type = data->reportids[reportid].type;
  1400. switch (type) {
  1401. case MXT_RESERVED_T0:
  1402. goto end;
  1403. break;
  1404. case MXT_GEN_COMMANDPROCESSOR_T6:
  1405. mxt_treat_T6_object(data, &message);
  1406. break;
  1407. case MXT_TOUCH_MULTITOUCHSCREEN_T9:
  1408. mxt_treat_T9_object(data, &message);
  1409. break;
  1410. #if ENABLE_TOUCH_KEY
  1411. case MXT_TOUCH_KEYARRAY_T15:
  1412. mxt_treat_T15_object(data, &message);
  1413. break;
  1414. #endif
  1415. case MXT_SPT_SELFTEST_T25:
  1416. dev_err(dev, "Self test fail [0x%x 0x%x 0x%x 0x%x]\n",
  1417. message.message[0], message.message[1],
  1418. message.message[2], message.message[3]);
  1419. break;
  1420. case MXT_PROCI_TOUCHSUPPRESSION_T42:
  1421. mxt_treat_T42_object(data, &message);
  1422. break;
  1423. case MXT_PROCI_EXTRATOUCHSCREENDATA_T57:
  1424. mxt_treat_T57_object(data, &message);
  1425. break;
  1426. case MXT_PROCG_NOISESUPPRESSION_T62:
  1427. break;
  1428. #if 0
  1429. case MXT_TOUCH_MULTITOUCHSCREEN_T100:
  1430. mxt_treat_T100_object(data, &message);
  1431. break;
  1432. #endif
  1433. default:
  1434. dev_dbg(dev, "Untreated Object type[%d]\tmessage[0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x]\n",
  1435. type, message.message[0],
  1436. message.message[1], message.message[2],
  1437. message.message[3], message.message[4],
  1438. message.message[5], message.message[6]);
  1439. break;
  1440. }
  1441. #if TSP_PATCH
  1442. mxt_patch_message(data, &message);
  1443. #endif
  1444. } while (!gpio_get_value(data->pdata->tsp_int));
  1445. if (data->finger_mask)
  1446. mxt_report_input_data(data);
  1447. end:
  1448. return IRQ_HANDLED;
  1449. }
  1450. static int mxt_get_bootloader_version(struct i2c_client *client, u8 val)
  1451. {
  1452. u8 buf[3];
  1453. if (val & MXT_BOOT_EXTENDED_ID) {
  1454. if (i2c_master_recv(client, buf, sizeof(buf)) != sizeof(buf)) {
  1455. dev_err(&client->dev, "%s: i2c recv failed\n",
  1456. __func__);
  1457. return -EIO;
  1458. }
  1459. dev_info(&client->dev, "Bootloader ID:%d Version:%d",
  1460. buf[1], buf[2]);
  1461. } else {
  1462. dev_info(&client->dev, "Bootloader ID:%d",
  1463. val & MXT_BOOT_ID_MASK);
  1464. }
  1465. return 0;
  1466. }
  1467. static int mxt_check_bootloader(struct i2c_client *client,
  1468. unsigned int state)
  1469. {
  1470. u8 val;
  1471. recheck:
  1472. if (i2c_master_recv(client, &val, 1) != 1) {
  1473. dev_err(&client->dev, "%s: i2c recv failed\n", __func__);
  1474. return -EIO;
  1475. }
  1476. switch (state) {
  1477. case MXT_WAITING_BOOTLOAD_CMD:
  1478. if (mxt_get_bootloader_version(client, val))
  1479. return -EIO;
  1480. val &= ~MXT_BOOT_STATUS_MASK;
  1481. break;
  1482. case MXT_WAITING_FRAME_DATA:
  1483. case MXT_APP_CRC_FAIL:
  1484. val &= ~MXT_BOOT_STATUS_MASK;
  1485. break;
  1486. case MXT_FRAME_CRC_PASS:
  1487. if (val == MXT_FRAME_CRC_CHECK)
  1488. goto recheck;
  1489. if (val == MXT_FRAME_CRC_FAIL) {
  1490. dev_err(&client->dev, "Bootloader CRC fail\n");
  1491. return -EINVAL;
  1492. }
  1493. break;
  1494. default:
  1495. return -EINVAL;
  1496. }
  1497. if (val != state) {
  1498. dev_err(&client->dev,
  1499. "Invalid bootloader mode state 0x%X\n", val);
  1500. return -EINVAL;
  1501. }
  1502. return 0;
  1503. }
  1504. static int mxt_unlock_bootloader(struct i2c_client *client)
  1505. {
  1506. u8 buf[2] = {MXT_UNLOCK_CMD_LSB, MXT_UNLOCK_CMD_MSB};
  1507. if (i2c_master_send(client, buf, 2) != 2) {
  1508. dev_err(&client->dev, "%s: i2c send failed\n", __func__);
  1509. return -EIO;
  1510. }
  1511. return 0;
  1512. }
  1513. #ifdef TSP_BRING_UP
  1514. static int mxt_probe_bootloader(struct i2c_client *client)
  1515. {
  1516. u8 val;
  1517. if (i2c_master_recv(client, &val, 1) != 1) {
  1518. dev_err(&client->dev, "%s: i2c recv failed\n", __func__);
  1519. return -EIO;
  1520. }
  1521. if (val & (~MXT_BOOT_STATUS_MASK)) {
  1522. if (val & MXT_APP_CRC_FAIL)
  1523. dev_err(&client->dev, "Application CRC failure\n");
  1524. else
  1525. dev_err(&client->dev, "Device in bootloader mode\n");
  1526. } else {
  1527. dev_err(&client->dev, "%s: Unknow status\n", __func__);
  1528. return -EIO;
  1529. }
  1530. return 0;
  1531. }
  1532. #endif
  1533. static int mxt_fw_write(struct i2c_client *client,
  1534. const u8 *frame_data, unsigned int frame_size)
  1535. {
  1536. if (i2c_master_send(client, frame_data, frame_size) != frame_size) {
  1537. dev_err(&client->dev, "%s: i2c send failed\n", __func__);
  1538. return -EIO;
  1539. }
  1540. return 0;
  1541. }
  1542. int mxt_verify_fw(struct mxt_fw_info *fw_info, const struct firmware *fw)
  1543. {
  1544. struct mxt_data *data = fw_info->data;
  1545. struct device *dev = &data->client->dev;
  1546. struct mxt_fw_image *fw_img;
  1547. if (!fw) {
  1548. dev_err(dev, "could not find firmware file\n");
  1549. return -ENOENT;
  1550. }
  1551. fw_img = (struct mxt_fw_image *)fw->data;
  1552. if (le32_to_cpu(fw_img->magic_code) != MXT_FW_MAGIC) {
  1553. /* In case, firmware file only consist of firmware */
  1554. dev_info(dev, "Firmware file only consist of raw firmware\n");
  1555. fw_info->fw_len = fw->size;
  1556. fw_info->fw_raw_data = fw->data;
  1557. } else {
  1558. /*
  1559. * In case, firmware file consist of header,
  1560. * configuration, firmware.
  1561. */
  1562. dev_info(dev, "Firmware file consist of header, configuration, firmware\n");
  1563. fw_info->fw_ver = fw_img->fw_ver;
  1564. fw_info->build_ver = fw_img->build_ver;
  1565. fw_info->hdr_len = le32_to_cpu(fw_img->hdr_len);
  1566. fw_info->cfg_len = le32_to_cpu(fw_img->cfg_len);
  1567. fw_info->fw_len = le32_to_cpu(fw_img->fw_len);
  1568. fw_info->cfg_crc = le32_to_cpu(fw_img->cfg_crc);
  1569. /* Check the firmware file with header */
  1570. if (fw_info->hdr_len != sizeof(struct mxt_fw_image)
  1571. || fw_info->hdr_len + fw_info->cfg_len
  1572. + fw_info->fw_len != fw->size) {
  1573. #if TSP_PATCH
  1574. struct patch_header* ppheader;
  1575. u32 ppos = fw_info->hdr_len + fw_info->cfg_len + fw_info->fw_len;
  1576. ppheader = (struct patch_header*)(fw->data + ppos);
  1577. if(ppheader->magic == MXT_PATCH_MAGIC){
  1578. dev_info(dev, "Firmware file has patch size: %d\n", ppheader->size);
  1579. if(ppheader->size){
  1580. u8* patch=NULL;
  1581. if(!data->patch.patch){
  1582. kfree(data->patch.patch);
  1583. }
  1584. patch = kzalloc(ppheader->size, GFP_KERNEL);
  1585. memcpy(patch, (u8*)ppheader, ppheader->size);
  1586. data->patch.patch = patch;
  1587. }
  1588. }
  1589. else
  1590. #endif
  1591. {
  1592. dev_err(dev, "Firmware file is invaild !!hdr size[%d] cfg,fw size[%d,%d] filesize[%d]\n",
  1593. fw_info->hdr_len, fw_info->cfg_len,
  1594. fw_info->fw_len, fw->size);
  1595. return -EINVAL;
  1596. }
  1597. }
  1598. if (!fw_info->cfg_len) {
  1599. dev_err(dev, "Firmware file dose not include configuration data\n");
  1600. return -EINVAL;
  1601. }
  1602. if (!fw_info->fw_len) {
  1603. dev_err(dev, "Firmware file dose not include raw firmware data\n");
  1604. return -EINVAL;
  1605. }
  1606. /* Get the address of configuration data */
  1607. fw_info->cfg_raw_data = fw_img->data;
  1608. /* Get the address of firmware data */
  1609. fw_info->fw_raw_data = fw_img->data + fw_info->cfg_len;
  1610. #if TSP_SEC_FACTORY
  1611. data->fdata->fw_ver = fw_info->fw_ver;
  1612. data->fdata->build_ver = fw_info->build_ver;
  1613. #endif
  1614. }
  1615. return 0;
  1616. }
  1617. static int mxt_wait_for_chg(struct mxt_data *data, u16 time)
  1618. {
  1619. int timeout_counter = 0;
  1620. msleep(time);
  1621. if (data->pdata->tsp_int) {
  1622. while (gpio_get_value(data->pdata->tsp_int)
  1623. && timeout_counter++ <= 20) {
  1624. msleep(MXT_RESET_INTEVAL_TIME);
  1625. dev_err(&data->client->dev,
  1626. "Spend %d time waiting for chg_high\n",
  1627. (MXT_RESET_INTEVAL_TIME * timeout_counter) + time);
  1628. }
  1629. }
  1630. return 0;
  1631. }
  1632. static int mxt_command_reset(struct mxt_data *data, u8 value)
  1633. {
  1634. int error;
  1635. mxt_write_object(data, MXT_GEN_COMMANDPROCESSOR_T6,
  1636. MXT_COMMAND_RESET, value);
  1637. error = mxt_wait_for_chg(data, MXT_SW_RESET_TIME);
  1638. if (error)
  1639. dev_err(&data->client->dev, "Not respond after reset command[%d]\n",
  1640. value);
  1641. return error;
  1642. }
  1643. static int mxt_command_backup(struct mxt_data *data, u8 value)
  1644. {
  1645. mxt_write_object(data, MXT_GEN_COMMANDPROCESSOR_T6,
  1646. MXT_COMMAND_BACKUPNV, value);
  1647. msleep(MXT_BACKUP_TIME);
  1648. return 0;
  1649. }
  1650. static int mxt_flash_fw(struct mxt_fw_info *fw_info)
  1651. {
  1652. struct mxt_data *data = fw_info->data;
  1653. struct i2c_client *client = data->client_boot;
  1654. struct device *dev = &data->client->dev;
  1655. const u8 *fw_data = fw_info->fw_raw_data;
  1656. size_t fw_size = fw_info->fw_len;
  1657. unsigned int frame_size;
  1658. unsigned int pos = 0;
  1659. int ret;
  1660. if (!fw_data) {
  1661. dev_err(dev, "firmware data is Null\n");
  1662. return -ENOMEM;
  1663. }
  1664. ret = mxt_check_bootloader(client, MXT_WAITING_BOOTLOAD_CMD);
  1665. if (ret) {
  1666. /*may still be unlocked from previous update attempt */
  1667. ret = mxt_check_bootloader(client, MXT_WAITING_FRAME_DATA);
  1668. if (ret)
  1669. goto out;
  1670. } else {
  1671. dev_info(dev, "Unlocking bootloader\n");
  1672. /* Unlock bootloader */
  1673. mxt_unlock_bootloader(client);
  1674. }
  1675. while (pos < fw_size) {
  1676. ret = mxt_check_bootloader(client,
  1677. MXT_WAITING_FRAME_DATA);
  1678. if (ret) {
  1679. dev_err(dev, "Fail updating firmware. wating_frame_data err\n");
  1680. goto out;
  1681. }
  1682. frame_size = ((*(fw_data + pos) << 8) | *(fw_data + pos + 1));
  1683. /*
  1684. * We should add 2 at frame size as the the firmware data is not
  1685. * included the CRC bytes.
  1686. */
  1687. frame_size += 2;
  1688. /* Write one frame to device */
  1689. mxt_fw_write(client, fw_data + pos, frame_size);
  1690. ret = mxt_check_bootloader(client,
  1691. MXT_FRAME_CRC_PASS);
  1692. if (ret) {
  1693. dev_err(dev, "Fail updating firmware. frame_crc err\n");
  1694. goto out;
  1695. }
  1696. pos += frame_size;
  1697. dev_dbg(dev, "Updated %d bytes / %zd bytes\n",
  1698. pos, fw_size);
  1699. msleep(20);
  1700. }
  1701. ret = mxt_wait_for_chg(data, MXT_SW_RESET_TIME);
  1702. if (ret) {
  1703. dev_err(dev, "Not respond after F/W finish reset\n");
  1704. goto out;
  1705. }
  1706. dev_info(dev, "success updating firmware\n");
  1707. out:
  1708. return ret;
  1709. }
  1710. static void mxt_handle_T62_object(struct mxt_data *data)
  1711. {
  1712. int ret;
  1713. u8 value;
  1714. ret = mxt_read_object(data, MXT_PROCG_NOISESUPPRESSION_T62, 0, &value);
  1715. if (ret) {
  1716. dev_err(&data->client->dev, "%s: failed to read T62 object.\n",
  1717. __func__);
  1718. return;
  1719. }
  1720. value &= ~(0x02);
  1721. ret = mxt_write_object(data, MXT_PROCG_NOISESUPPRESSION_T62,
  1722. 0, value);
  1723. if (ret)
  1724. dev_err(&data->client->dev, "%s: failed to write T62 object.\n",
  1725. __func__);
  1726. else
  1727. dev_err(&data->client->dev, "%s: Setting T62 report disable.\n",
  1728. __func__);
  1729. }
  1730. static void mxt_handle_init_data(struct mxt_data *data)
  1731. {
  1732. /*
  1733. * Caution : This function is called before backup NV.
  1734. * So If you write register vaules directly without config file
  1735. * in this function, it can be a cause of that configuration
  1736. * CRC mismatch or unintended values are stored in Non-volatile
  1737. * memory in IC.
  1738. * So I would recommed do not use this function except for bring
  1739. * up case. Please keep this in your mind.
  1740. */
  1741. /* disable T62 report bit. */
  1742. mxt_handle_T62_object(data);
  1743. return;
  1744. }
  1745. static int mxt_read_id_info(struct mxt_data *data)
  1746. {
  1747. int ret = 0;
  1748. u8 id[MXT_INFOMATION_BLOCK_SIZE];
  1749. /* Read IC information */
  1750. ret = mxt_read_mem(data, 0, MXT_INFOMATION_BLOCK_SIZE, id);
  1751. if (ret) {
  1752. dev_err(&data->client->dev, "Read fail. IC information\n");
  1753. goto out;
  1754. } else {
  1755. dev_info(&data->client->dev,
  1756. "family: 0x%x variant: 0x%x version: 0x%x"
  1757. " build: 0x%x matrix X,Y size: %d,%d"
  1758. " number of obect: %d\n",
  1759. id[0], id[1], id[2], id[3],
  1760. id[4], id[5], id[6]);
  1761. data->info.family_id = id[0];
  1762. data->info.variant_id = id[1];
  1763. data->info.version = id[2];
  1764. data->info.build = id[3];
  1765. data->info.matrix_xsize = id[4];
  1766. data->info.matrix_ysize = id[5];
  1767. data->info.object_num = id[6];
  1768. }
  1769. out:
  1770. return ret;
  1771. }
  1772. static int mxt_get_object_table(struct mxt_data *data)
  1773. {
  1774. int error;
  1775. int i;
  1776. u16 reg;
  1777. u8 reportid = 0;
  1778. u8 buf[MXT_OBJECT_TABLE_ELEMENT_SIZE];
  1779. for (i = 0; i < data->info.object_num; i++) {
  1780. struct mxt_object *object = data->objects + i;
  1781. reg = MXT_OBJECT_TABLE_START_ADDRESS +
  1782. MXT_OBJECT_TABLE_ELEMENT_SIZE * i;
  1783. error = mxt_read_mem(data, reg,
  1784. MXT_OBJECT_TABLE_ELEMENT_SIZE, buf);
  1785. if (error)
  1786. return error;
  1787. object->type = buf[0];
  1788. object->start_address = (buf[2] << 8) | buf[1];
  1789. /* the real size of object is buf[3]+1 */
  1790. object->size = buf[3] + 1;
  1791. /* the real instances of object is buf[4]+1 */
  1792. object->instances = buf[4] + 1;
  1793. object->num_report_ids = buf[5];
  1794. dev_dbg(&data->client->dev,
  1795. "Object:T%d\t\t\t Address:0x%x\tSize:%d\tInstance:%d\tReport Id's:%d\n",
  1796. object->type, object->start_address,
  1797. object->size, object->instances,
  1798. object->num_report_ids);
  1799. if (object->num_report_ids) {
  1800. reportid += object->num_report_ids * object->instances;
  1801. object->max_reportid = reportid;
  1802. }
  1803. }
  1804. /* Store maximum reportid */
  1805. data->max_reportid = reportid;
  1806. dev_info(&data->client->dev, "maXTouch: %d report ID\n",
  1807. data->max_reportid);
  1808. return 0;
  1809. }
  1810. static void mxt_make_reportid_table(struct mxt_data *data)
  1811. {
  1812. struct mxt_object *objects = data->objects;
  1813. struct mxt_reportid *reportids = data->reportids;
  1814. int i, j;
  1815. int id = 0;
  1816. for (i = 0; i < data->info.object_num; i++) {
  1817. for (j = 0; j < objects[i].num_report_ids *
  1818. objects[i].instances; j++) {
  1819. id++;
  1820. reportids[id].type = objects[i].type;
  1821. reportids[id].index = j;
  1822. dev_dbg(&data->client->dev, "Report_id[%d]:\tT%d\tIndex[%d]\n",
  1823. id, reportids[id].type,
  1824. reportids[id].index);
  1825. }
  1826. }
  1827. }
  1828. static int mxt_initialize(struct mxt_data *data)
  1829. {
  1830. struct i2c_client *client = data->client;
  1831. u32 read_info_crc, calc_info_crc;
  1832. int ret;
  1833. ret = mxt_read_id_info(data);
  1834. if (ret)
  1835. return ret;
  1836. data->objects = kcalloc(data->info.object_num,
  1837. sizeof(struct mxt_object),
  1838. GFP_KERNEL);
  1839. if (!data->objects) {
  1840. dev_err(&client->dev, "Failed to allocate memory\n");
  1841. ret = -ENOMEM;
  1842. goto out;
  1843. }
  1844. /* Get object table infomation */
  1845. ret = mxt_get_object_table(data);
  1846. if (ret)
  1847. goto out;
  1848. data->reportids = kcalloc(data->max_reportid + 1,
  1849. sizeof(struct mxt_reportid),
  1850. GFP_KERNEL);
  1851. if (!data->reportids) {
  1852. dev_err(&client->dev, "Failed to allocate memory\n");
  1853. ret = -ENOMEM;
  1854. goto out;
  1855. }
  1856. /* Make report id table */
  1857. mxt_make_reportid_table(data);
  1858. /* Verify the info CRC */
  1859. ret = mxt_read_info_crc(data, &read_info_crc);
  1860. if (ret)
  1861. goto out;
  1862. ret = mxt_calculate_infoblock_crc(data, &calc_info_crc);
  1863. if (ret)
  1864. goto out;
  1865. if (read_info_crc != calc_info_crc) {
  1866. dev_err(&data->client->dev, "Infomation CRC error :[CRC 0x%06X!=0x%06X]\n",
  1867. read_info_crc, calc_info_crc);
  1868. ret = -EFAULT;
  1869. goto out;
  1870. }
  1871. return 0;
  1872. out:
  1873. return ret;
  1874. }
  1875. static int mxt_rest_initialize(struct mxt_fw_info *fw_info)
  1876. {
  1877. struct mxt_data *data = fw_info->data;
  1878. struct device *dev = &data->client->dev;
  1879. int ret = 0;
  1880. if( mxt_check_config_crc(fw_info)){
  1881. /* Restore memory and stop event handing */
  1882. ret = mxt_command_backup(data, MXT_DISALEEVT_VALUE);
  1883. if (ret) {
  1884. dev_err(dev, "Failed Restore NV and stop event\n");
  1885. goto out;
  1886. }
  1887. /* Write config */
  1888. ret = mxt_write_config(fw_info);
  1889. if (ret) {
  1890. dev_err(dev, "Failed to write config from file\n");
  1891. goto out;
  1892. }
  1893. /* Handle data for init */
  1894. mxt_handle_init_data(data);
  1895. /* Backup to memory */
  1896. ret = mxt_command_backup(data, MXT_BACKUP_VALUE);
  1897. if (ret) {
  1898. dev_err(dev, "Failed backup NV data\n");
  1899. goto out;
  1900. }
  1901. /* Soft reset */
  1902. ret = mxt_command_reset(data, MXT_RESET_VALUE);
  1903. if (ret) {
  1904. dev_err(dev, "Failed Reset IC\n");
  1905. goto out;
  1906. }
  1907. }
  1908. #if TSP_PATCH
  1909. if(data->patch.patch)
  1910. ret = mxt_patch_init(data, data->patch.patch);
  1911. #endif
  1912. out:
  1913. return ret;
  1914. }
  1915. /* Need to be called by function that is blocked with mutex */
  1916. static int mxt_start(struct mxt_data *data)
  1917. {
  1918. int error = 0;
  1919. if (data->mxt_enabled) {
  1920. dev_err(&data->client->dev,
  1921. "%s. but touch already on\n", __func__);
  1922. return error;
  1923. }
  1924. error = mxt_power_onoff(data, true);
  1925. if (error)
  1926. dev_err(&data->client->dev, "Fail to start touch\n");
  1927. else
  1928. enable_irq(data->client->irq);
  1929. data->mxt_enabled = true;
  1930. return error;
  1931. }
  1932. /* Need to be called by function that is blocked with mutex */
  1933. static int mxt_stop(struct mxt_data *data)
  1934. {
  1935. int error = 0;
  1936. if (!data->mxt_enabled) {
  1937. dev_err(&data->client->dev,
  1938. "%s. but touch already off\n", __func__);
  1939. return error;
  1940. }
  1941. disable_irq(data->client->irq);
  1942. error = mxt_power_onoff(data, false);
  1943. if (error) {
  1944. dev_err(&data->client->dev, "Fail to stop touch\n");
  1945. goto err_power_off;
  1946. }
  1947. mxt_release_all_finger(data);
  1948. #if ENABLE_TOUCH_KEY
  1949. mxt_release_all_keys(data);
  1950. #endif
  1951. #if TSP_BOOSTER
  1952. mxt_set_dvfs_lock(data, -1);
  1953. #endif
  1954. data->mxt_enabled = false;
  1955. return 0;
  1956. err_power_off:
  1957. enable_irq(data->client->irq);
  1958. return error;
  1959. }
  1960. static int mxt_input_open(struct input_dev *dev)
  1961. {
  1962. struct mxt_data *data = input_get_drvdata(dev);
  1963. int ret;
  1964. ret = qpnp_pin_config(data->pdata->tsp_rst,
  1965. &mxt_rst_set[MXT_PM_GPIO_STATE_WAKE]);
  1966. if (ret < 0)
  1967. dev_info(&data->client->dev,
  1968. "%s: wakeup rst config return: %d\n",
  1969. __func__, ret);
  1970. ret = qpnp_pin_config(data->pdata->tsp_int,
  1971. &mxt_int_set[MXT_PM_GPIO_STATE_WAKE]);
  1972. if (ret < 0)
  1973. dev_info(&data->client->dev,
  1974. "%s: wakeup int config return: %d\n",
  1975. __func__, ret);
  1976. #ifdef TSP_INIT_COMPLETE
  1977. ret = wait_for_completion_interruptible_timeout(&data->init_done,
  1978. msecs_to_jiffies(90 * MSEC_PER_SEC));
  1979. if (ret < 0) {
  1980. dev_err(&data->client->dev,
  1981. "error while waiting for device to init (%d)\n",
  1982. ret);
  1983. ret = -ENXIO;
  1984. goto err_open;
  1985. }
  1986. if (ret == 0) {
  1987. dev_err(&data->client->dev,
  1988. "timedout while waiting for device to init\n");
  1989. ret = -ENXIO;
  1990. goto err_open;
  1991. }
  1992. #endif
  1993. ret = mxt_start(data);
  1994. if (ret)
  1995. goto err_open;
  1996. #ifdef WORKAROUND_THRESHOLD
  1997. if (data->setdata == 1 && system_rev < 11) {
  1998. ret = set_threshold(data);
  1999. if (!ret) {
  2000. dev_err(&data->client->dev, "Failed set_threshold\n");
  2001. }
  2002. }
  2003. #endif
  2004. dev_info(&data->client->dev, "%s\n", __func__);
  2005. return 0;
  2006. err_open:
  2007. return ret;
  2008. }
  2009. static void mxt_input_close(struct input_dev *dev)
  2010. {
  2011. struct mxt_data *data = input_get_drvdata(dev);
  2012. int ret;
  2013. mxt_stop(data);
  2014. ret = qpnp_pin_config(data->pdata->tsp_rst,
  2015. &mxt_rst_set[MXT_PM_GPIO_STATE_SLEEP]);
  2016. if (ret < 0)
  2017. dev_info(&data->client->dev,
  2018. "%s: sleep rst config return: %d\n",
  2019. __func__, ret);
  2020. ret = qpnp_pin_config(data->pdata->tsp_int,
  2021. &mxt_int_set[MXT_PM_GPIO_STATE_SLEEP]);
  2022. if (ret < 0)
  2023. dev_info(&data->client->dev,
  2024. "%s: sleep int config return: %d\n",
  2025. __func__, ret);
  2026. dev_info(&data->client->dev, "%s\n", __func__);
  2027. }
  2028. static int mxt_make_highchg(struct mxt_data *data)
  2029. {
  2030. struct device *dev = &data->client->dev;
  2031. struct mxt_message message;
  2032. int count = data->max_reportid * 2;
  2033. int error;
  2034. /* Read dummy message to make high CHG pin */
  2035. do {
  2036. error = mxt_read_message(data, &message);
  2037. if (error)
  2038. return error;
  2039. } while (message.reportid != 0xff && --count);
  2040. if (!count) {
  2041. dev_err(dev, "CHG pin isn't cleared\n");
  2042. return -EBUSY;
  2043. }
  2044. return 0;
  2045. }
  2046. static int mxt_touch_finish_init(struct mxt_data *data)
  2047. {
  2048. struct i2c_client *client = data->client;
  2049. int error;
  2050. client->irq = gpio_to_irq(data->pdata->tsp_int);
  2051. dev_info(&data->client->dev, "%s: tsp : gpio_to_irq : %d\n",
  2052. __func__, client->irq);
  2053. error = request_threaded_irq(client->irq,
  2054. NULL, mxt_irq_thread,
  2055. IRQF_TRIGGER_LOW | IRQF_ONESHOT,
  2056. client->dev.driver->name, data);
  2057. if (error) {
  2058. dev_err(&client->dev, "Failed to register interrupt\n");
  2059. goto err_req_irq;
  2060. }
  2061. error = mxt_make_highchg(data);
  2062. if (error) {
  2063. dev_err(&client->dev, "Failed to clear CHG pin\n");
  2064. goto err_req_irq;
  2065. }
  2066. #if TSP_BOOSTER
  2067. mxt_init_dvfs(data);
  2068. #endif
  2069. #if MXT_TKEY_BOOSTER
  2070. mxt_tkey_init_dvfs(data);
  2071. #endif
  2072. dev_info(&client->dev, "Mxt touch controller initialized\n");
  2073. return 0;
  2074. err_req_irq:
  2075. return error;
  2076. }
  2077. static int mxt_touch_rest_init(struct mxt_fw_info *fw_info)
  2078. {
  2079. struct mxt_data *data = fw_info->data;
  2080. struct device *dev = &data->client->dev;
  2081. int error;
  2082. error = mxt_initialize(data);
  2083. if (error) {
  2084. dev_err(dev, "Failed to initialize\n");
  2085. goto err_free_mem;
  2086. }
  2087. error = mxt_rest_initialize(fw_info);
  2088. if (error) {
  2089. dev_err(dev, "Failed to rest initialize\n");
  2090. goto err_free_mem;
  2091. }
  2092. error = mxt_touch_finish_init(data);
  2093. if (error)
  2094. goto err_free_mem;
  2095. return 0;
  2096. err_free_mem:
  2097. kfree(data->objects);
  2098. data->objects = NULL;
  2099. kfree(data->reportids);
  2100. data->reportids = NULL;
  2101. return error;
  2102. }
  2103. #ifdef TSP_BRING_UP
  2104. static int mxt_enter_bootloader(struct mxt_data *data)
  2105. {
  2106. struct device *dev = &data->client->dev;
  2107. int error;
  2108. data->objects = kcalloc(data->info.object_num,
  2109. sizeof(struct mxt_object),
  2110. GFP_KERNEL);
  2111. if (!data->objects) {
  2112. dev_err(dev, "%s Failed to allocate memory\n",
  2113. __func__);
  2114. error = -ENOMEM;
  2115. goto out;
  2116. }
  2117. /* Get object table information*/
  2118. error = mxt_get_object_table(data);
  2119. if (error)
  2120. goto err_free_mem;
  2121. /* Change to the bootloader mode */
  2122. error = mxt_command_reset(data, MXT_BOOT_VALUE);
  2123. if (error)
  2124. goto err_free_mem;
  2125. err_free_mem:
  2126. kfree(data->objects);
  2127. data->objects = NULL;
  2128. out:
  2129. return error;
  2130. }
  2131. static int mxt_flash_fw_on_probe(struct mxt_fw_info *fw_info)
  2132. {
  2133. struct mxt_data *data = fw_info->data;
  2134. struct device *dev = &data->client->dev;
  2135. int error;
  2136. error = mxt_read_id_info(data);
  2137. if (error) {
  2138. /* need to check IC is in boot mode */
  2139. error = mxt_probe_bootloader(data->client_boot);
  2140. if (error) {
  2141. dev_err(dev, "Failed to verify bootloader's status\n");
  2142. goto out;
  2143. }
  2144. dev_info(dev, "Updating firmware from boot-mode\n");
  2145. goto load_fw;
  2146. }
  2147. /* compare the version to verify necessity of firmware updating */
  2148. if (data->info.version == fw_info->fw_ver
  2149. && data->info.build == fw_info->build_ver) {
  2150. dev_info(dev, "Firmware version is same with in IC[IC:0x%x,0x%x / FW:0x%x,0x%x]\n",
  2151. data->info.version, data->info.build,
  2152. fw_info->fw_ver, fw_info->build_ver);
  2153. goto out;
  2154. }
  2155. #if defined(CONFIG_SAMSUNG_PRODUCT_SHIP)
  2156. if (data->info.version > fw_info->fw_ver
  2157. && data->info.build > fw_info->build_ver) {
  2158. dev_info(dev, "Binary firmware version lower than IC firmware version IC[IC:0x%x,0x%x / FW:0x%x,0x%x]\n",
  2159. data->info.version, data->info.build,
  2160. fw_info->fw_ver, fw_info->build_ver);
  2161. goto out;
  2162. }
  2163. #endif
  2164. dev_info(dev, "Updating firmware from app-mode : IC:0x%x,0x%x =! FW:0x%x,0x%x\n",
  2165. data->info.version, data->info.build,
  2166. fw_info->fw_ver, fw_info->build_ver);
  2167. error = mxt_enter_bootloader(data);
  2168. if (error) {
  2169. dev_err(dev, "Failed enter bootloader mode\n");
  2170. goto out;
  2171. }
  2172. load_fw:
  2173. error = mxt_flash_fw(fw_info);
  2174. if (error)
  2175. dev_err(dev, "Failed updating firmware\n");
  2176. else
  2177. dev_info(dev, "succeeded updating firmware\n");
  2178. out:
  2179. return error;
  2180. }
  2181. #endif
  2182. static void mxt_request_firmware_work(const struct firmware *fw,
  2183. void *context)
  2184. {
  2185. struct mxt_data *data = context;
  2186. struct mxt_fw_info fw_info;
  2187. int error;
  2188. memset(&fw_info, 0, sizeof(struct mxt_fw_info));
  2189. fw_info.data = data;
  2190. error = mxt_verify_fw(&fw_info, fw);
  2191. if (error)
  2192. goto ts_rest_init;
  2193. /* Skip update on boot up if firmware file does not have a header */
  2194. if (!fw_info.hdr_len)
  2195. goto ts_rest_init;
  2196. #ifdef TSP_BRING_UP
  2197. error = mxt_flash_fw_on_probe(&fw_info);
  2198. if (error)
  2199. goto out;
  2200. #endif
  2201. ts_rest_init:
  2202. error = mxt_touch_rest_init(&fw_info);
  2203. if (error)
  2204. /* complete anyway, so open() doesn't get blocked */
  2205. #ifdef TSP_INIT_COMPLETE
  2206. complete_all(&data->init_done);
  2207. #else
  2208. dev_info(&data->client->dev, "%s: does not init..\n",
  2209. __func__);
  2210. #endif
  2211. release_firmware(fw);
  2212. return;
  2213. #ifdef TSP_BRING_UP
  2214. out:
  2215. #ifdef TSP_INIT_COMPLETE
  2216. complete_all(&data->init_done);
  2217. #endif
  2218. release_firmware(fw);
  2219. return;
  2220. #endif
  2221. }
  2222. static int __devinit mxt_touch_init(struct mxt_data *data, bool nowait)
  2223. {
  2224. struct i2c_client *client = data->client;
  2225. const char *firmware_name = data->pdata->firmware_name;
  2226. int ret = 0;
  2227. #if TSP_INFORM_CHARGER
  2228. /* Register callbacks */
  2229. /* To inform tsp , charger connection status*/
  2230. data->register_cb = mxt_tsp_register_callback;
  2231. data->callbacks.inform_charger = inform_charger;
  2232. if (data->register_cb) {
  2233. data->register_cb(&data->callbacks);
  2234. inform_charger_init(data);
  2235. }
  2236. #endif
  2237. if (firmware_name == NULL) {
  2238. dev_info(&client->dev, "%s: firmware name is NULL!, return\n",
  2239. __func__);
  2240. return 0;
  2241. }
  2242. if (nowait) {
  2243. const struct firmware *fw;
  2244. char fw_path[MXT_MAX_FW_PATH];
  2245. memset(&fw_path, 0, MXT_MAX_FW_PATH);
  2246. snprintf(fw_path, MXT_MAX_FW_PATH, "%s%s",
  2247. MXT_FIRMWARE_INKERNEL_PATH, firmware_name);
  2248. dev_err(&client->dev, "%s: FW path is %s\n", __func__, fw_path);
  2249. ret = request_firmware(&fw, fw_path, &client->dev);
  2250. if (ret) {
  2251. dev_err(&client->dev,
  2252. "error requesting built-in firmware\n");
  2253. goto out;
  2254. }
  2255. mxt_request_firmware_work(fw, data);
  2256. } else {
  2257. ret = request_firmware_nowait(THIS_MODULE, true, firmware_name,
  2258. &client->dev, GFP_KERNEL,
  2259. data, mxt_request_firmware_work);
  2260. if (ret)
  2261. dev_err(&client->dev,
  2262. "cannot schedule firmware update (%d)\n",
  2263. ret);
  2264. }
  2265. out:
  2266. return ret;
  2267. }
  2268. #ifdef CONFIG_HAS_EARLYSUSPEND
  2269. #define mxt_suspend NULL
  2270. #define mxt_resume NULL
  2271. static void mxt_early_suspend(struct early_suspend *h)
  2272. {
  2273. struct mxt_data *data = container_of(h, struct mxt_data,
  2274. early_suspend);
  2275. #if TSP_INFORM_CHARGER
  2276. cancel_delayed_work_sync(&data->noti_dwork);
  2277. #endif
  2278. mutex_lock(&data->input_dev->mutex);
  2279. mxt_stop(data);
  2280. mutex_unlock(&data->input_dev->mutex);
  2281. }
  2282. static void mxt_late_resume(struct early_suspend *h)
  2283. {
  2284. struct mxt_data *data = container_of(h, struct mxt_data,
  2285. early_suspend);
  2286. mutex_lock(&data->input_dev->mutex);
  2287. #if TSP_CHANGE_CONFIG_FOR_INPUT
  2288. data->is_inputmethod = false;
  2289. #endif
  2290. mxt_start(data);
  2291. mutex_unlock(&data->input_dev->mutex);
  2292. }
  2293. #else
  2294. static int mxt_suspend(struct device *dev)
  2295. {
  2296. struct i2c_client *client = to_i2c_client(dev);
  2297. struct mxt_data *data = i2c_get_clientdata(client);
  2298. mutex_lock(&data->input_dev->mutex);
  2299. if (data->input_dev->users)
  2300. mxt_stop(data);
  2301. mutex_unlock(&data->input_dev->mutex);
  2302. return 0;
  2303. }
  2304. static int mxt_resume(struct device *dev)
  2305. {
  2306. struct i2c_client *client = to_i2c_client(dev);
  2307. struct mxt_data *data = i2c_get_clientdata(client);
  2308. mutex_lock(&data->input_dev->mutex);
  2309. if (data->input_dev->users)
  2310. mxt_start(data);
  2311. mutex_unlock(&data->input_dev->mutex);
  2312. return 0;
  2313. }
  2314. #endif
  2315. /*
  2316. #ifdef CONFIG_LEDS_QPNP
  2317. extern void tkey_led_enables(int level);
  2318. #endif
  2319. static void mxt_shutdown(struct i2c_client *client)
  2320. {
  2321. struct mxt_data *data = i2c_get_clientdata(client);
  2322. dev_info(&client->dev, "%s called!\n", __func__);
  2323. mxt_stop(data);
  2324. #ifdef CONFIG_LEDS_QPNP
  2325. tkey_led_enables(0);
  2326. #endif
  2327. }
  2328. */
  2329. #ifndef TSP_INIT_COMPLETE
  2330. static void mxt_init_power_on(struct work_struct *work)
  2331. {
  2332. struct mxt_data *data = container_of(work,
  2333. struct mxt_data, work_init_power_on.work);
  2334. dev_info(&data->client->dev, "%s\n", __func__);
  2335. mxt_start(data);
  2336. }
  2337. #endif
  2338. /* Added for samsung dependent codes such as Factory test,
  2339. * Touch booster, Related debug sysfs.
  2340. */
  2341. #include "mxts_sec.c"
  2342. static int __devinit mxt_probe(struct i2c_client *client,
  2343. const struct i2c_device_id *id)
  2344. {
  2345. struct mxt_data *data;
  2346. struct mxt_platform_data *pdata;
  2347. struct input_dev *input_dev;
  2348. u16 boot_address;
  2349. int error = 0;
  2350. #if ENABLE_TOUCH_KEY
  2351. int i = 0;
  2352. #endif
  2353. printk(KERN_ERR "%s", __func__);
  2354. if (client->dev.of_node) {
  2355. pdata = devm_kzalloc(&client->dev,
  2356. sizeof(struct mxt_platform_data),
  2357. GFP_KERNEL);
  2358. if (!pdata) {
  2359. dev_err(&client->dev,
  2360. "%s: Failed to allocate memory\n",
  2361. __func__);
  2362. return -ENOMEM;
  2363. }
  2364. error = mxt_parse_dt(&client->dev, pdata);
  2365. if (error)
  2366. return error;
  2367. } else {
  2368. pdata = client->dev.platform_data;
  2369. dev_err(&client->dev,
  2370. "%s: TSP failed to align dtsi", __func__);
  2371. }
  2372. if (!pdata) {
  2373. dev_err(&client->dev,
  2374. "%s: Platform data is not proper\n", __func__);
  2375. return -EINVAL;
  2376. }
  2377. data = kzalloc(sizeof(struct mxt_data), GFP_KERNEL);
  2378. if (!data) {
  2379. dev_err(&client->dev, "Failed to allocate memory\n");
  2380. return -ENOMEM;
  2381. }
  2382. data->pdata = pdata;
  2383. mxt_request_gpio(data);
  2384. input_dev = input_allocate_device();
  2385. if (!input_dev) {
  2386. error = -ENOMEM;
  2387. dev_err(&client->dev, "Input device allocation failed\n");
  2388. goto err_allocate_input_device;
  2389. }
  2390. input_dev->name = "sec_touchscreen";
  2391. input_dev->id.bustype = BUS_I2C;
  2392. input_dev->dev.parent = &client->dev;
  2393. input_dev->open = mxt_input_open;
  2394. input_dev->close = mxt_input_close;
  2395. data->client = client;
  2396. data->input_dev = input_dev;
  2397. data->pdata = pdata;
  2398. #if TSP_CHANGE_CONFIG_FOR_INPUT
  2399. data->is_inputmethod = false;
  2400. #endif
  2401. #ifdef TSP_INIT_COMPLETE
  2402. init_completion(&data->init_done);
  2403. #endif
  2404. set_bit(EV_ABS, input_dev->evbit);
  2405. set_bit(EV_KEY, input_dev->evbit);
  2406. set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
  2407. #if TSP_HOVER_WORKAROUND
  2408. set_bit(BTN_TOUCH, input_dev->keybit);
  2409. #endif
  2410. #if ENABLE_TOUCH_KEY
  2411. for (i = 0 ; i < data->pdata->num_touchkey ; i++)
  2412. set_bit(data->pdata->touchkey[i].keycode, input_dev->keybit);
  2413. set_bit(EV_LED, input_dev->evbit);
  2414. set_bit(LED_MISC, input_dev->ledbit);
  2415. data->report_dummy_key = false; /*Disable dummy key!*/
  2416. #endif
  2417. input_mt_init_slots(input_dev, MXT_MAX_FINGER);
  2418. input_set_abs_params(input_dev, ABS_MT_POSITION_X,
  2419. 0, pdata->max_x, 0, 0);
  2420. input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
  2421. 0, pdata->max_y, 0, 0);
  2422. input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR,
  2423. 0, MXT_AREA_MAX, 0, 0);
  2424. input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR,
  2425. 0, MXT_AREA_MAX, 0, 0);
  2426. input_set_abs_params(input_dev, ABS_MT_PRESSURE,
  2427. 0, MXT_AMPLITUDE_MAX, 0, 0);
  2428. #if TSP_USE_PALM_FLAG
  2429. input_set_abs_params(input_dev, ABS_MT_PALM,
  2430. 0, MXT_PALM_MAX, 0, 0);
  2431. #endif
  2432. input_set_drvdata(input_dev, data);
  2433. i2c_set_clientdata(client, data);
  2434. if (data->pdata->boot_address) {
  2435. boot_address = data->pdata->boot_address;
  2436. } else {
  2437. if (client->addr == MXT_APP_LOW)
  2438. boot_address = MXT_BOOT_LOW;
  2439. else
  2440. boot_address = MXT_BOOT_HIGH;
  2441. }
  2442. boot_address = MXT_BOOT_LOW;
  2443. data->client_boot = i2c_new_dummy(client->adapter, boot_address);
  2444. if (!data->client_boot) {
  2445. dev_err(&client->dev, "Fail to register sub client[0x%x]\n",
  2446. boot_address);
  2447. error = -ENODEV;
  2448. goto err_create_sub_client;
  2449. }
  2450. /* regist input device */
  2451. error = input_register_device(input_dev);
  2452. if (error)
  2453. goto err_register_input_device;
  2454. error = mxt_sysfs_init(client);
  2455. if (error < 0) {
  2456. dev_err(&client->dev, "Failed to create sysfs\n");
  2457. goto err_sysfs_init;
  2458. }
  2459. /*
  2460. error = mxt_power_onoff(data, true);
  2461. if (error) {
  2462. dev_err(&client->dev, "Failed to power_on\n");
  2463. goto err_power_on;
  2464. }
  2465. data->mxt_enabled = true;
  2466. */
  2467. error = mxt_touch_init(data, MXT_FIRMWARE_UPDATE_TYPE);
  2468. if (error) {
  2469. dev_err(&client->dev, "Failed to init driver\n");
  2470. goto err_touch_init;
  2471. }
  2472. #ifdef CONFIG_HAS_EARLYSUSPEND
  2473. data->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 1;
  2474. data->early_suspend.suspend = mxt_early_suspend;
  2475. data->early_suspend.resume = mxt_late_resume;
  2476. register_early_suspend(&data->early_suspend);
  2477. #endif
  2478. #ifdef TSP_INIT_COMPLETE
  2479. /* for blocking to be excuted open function untile finishing ts init */
  2480. complete_all(&data->init_done);
  2481. #else
  2482. INIT_DELAYED_WORK(&data->work_init_power_on,
  2483. mxt_init_power_on);
  2484. schedule_delayed_work(&data->work_init_power_on,
  2485. msecs_to_jiffies(10000));
  2486. #endif
  2487. /*
  2488. * to prevent unnecessary report of touch event
  2489. * it will be enabled in open function
  2490. */
  2491. mxt_stop(data);
  2492. /*
  2493. mxt_input_close(data->input_dev);
  2494. */
  2495. return 0;
  2496. err_touch_init:
  2497. mxt_power_onoff(data, false);
  2498. /*
  2499. err_power_on:
  2500. */
  2501. mxt_sysfs_remove(data);
  2502. err_sysfs_init:
  2503. input_unregister_device(input_dev);
  2504. input_dev = NULL;
  2505. err_register_input_device:
  2506. i2c_unregister_device(data->client_boot);
  2507. err_create_sub_client:
  2508. input_free_device(input_dev);
  2509. err_allocate_input_device:
  2510. kfree(data);
  2511. return error;
  2512. }
  2513. static int __devexit mxt_remove(struct i2c_client *client)
  2514. {
  2515. struct mxt_data *data = i2c_get_clientdata(client);
  2516. #ifdef CONFIG_HAS_EARLYSUSPEND
  2517. unregister_early_suspend(&data->early_suspend);
  2518. #endif
  2519. free_irq(client->irq, data);
  2520. kfree(data->objects);
  2521. kfree(data->reportids);
  2522. input_unregister_device(data->input_dev);
  2523. i2c_unregister_device(data->client_boot);
  2524. mxt_sysfs_remove(data);
  2525. mxt_power_onoff(data, false);
  2526. kfree(data);
  2527. return 0;
  2528. }
  2529. #ifdef CONFIG_OF
  2530. static struct of_device_id mxts_match_table[] = {
  2531. { .compatible = "atmel,mxts-ts",},
  2532. { },
  2533. };
  2534. #else
  2535. #define mxts_match_table NULL
  2536. #endif
  2537. static struct i2c_device_id mxt_idtable[] = {
  2538. {MXT_DEV_NAME, 0},
  2539. };
  2540. MODULE_DEVICE_TABLE(i2c, mxt_idtable);
  2541. static const struct dev_pm_ops mxt_pm_ops = {
  2542. .suspend = mxt_suspend,
  2543. .resume = mxt_resume,
  2544. };
  2545. static struct i2c_driver mxt_i2c_driver = {
  2546. .id_table = mxt_idtable,
  2547. .probe = mxt_probe,
  2548. .remove = __devexit_p(mxt_remove),
  2549. /* .shutdown = mxt_shutdown,*/
  2550. .driver = {
  2551. .owner = THIS_MODULE,
  2552. .name = MXT_DEV_NAME,
  2553. #ifdef CONFIG_OF
  2554. .of_match_table = mxts_match_table,
  2555. #endif
  2556. #ifdef CONFIG_PM
  2557. .pm = &mxt_pm_ops,
  2558. #endif
  2559. },
  2560. };
  2561. static int __init mxt_i2c_init(void)
  2562. {
  2563. #ifdef CONFIG_SAMSUNG_LPM_MODE
  2564. if (poweroff_charging) {
  2565. pr_notice("%s : LPM Charging Mode!!\n", __func__);
  2566. return 0;
  2567. }
  2568. #endif
  2569. return i2c_add_driver(&mxt_i2c_driver);
  2570. }
  2571. static void __exit mxt_i2c_exit(void)
  2572. {
  2573. i2c_del_driver(&mxt_i2c_driver);
  2574. }
  2575. module_init(mxt_i2c_init);
  2576. module_exit(mxt_i2c_exit);
  2577. MODULE_DESCRIPTION("Atmel MaXTouch driver");
  2578. MODULE_AUTHOR("bumwoo.lee<bw365.lee@samsung.com>");
  2579. MODULE_LICENSE("GPL");