stk6d2x.c 35 KB

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  1. /*
  2. * stk6d2x.c - Linux kernel modules for sensortek stk6d2x
  3. * ambient light sensor (driver)
  4. *
  5. * Copyright (C) 2012~2018 Bk, sensortek Inc.
  6. *
  7. * This program is free software; you can redistribute it and/or modify
  8. * it under the terms of the GNU General Public License as published by
  9. * the Free Software Foundation; either version 2 of the License, or
  10. * (at your option) any later version.
  11. *
  12. * This program is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. * GNU General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU General Public License
  18. * along with this program; if not, write to the Free Software
  19. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20. */
  21. #include <stk6d2x.h>
  22. #include <linux/delay.h>
  23. /****************************************************************************************************
  24. * Declaration function
  25. ****************************************************************************************************/
  26. static int32_t stk6d2x_set_als_thd(struct stk6d2x_data *alps_data, uint16_t thd_h, uint16_t thd_l);
  27. void stk6d2x_get_data_polling(stk_timer_info *t_info);
  28. #ifdef STK_FIFO_ENABLE
  29. void stk6d2x_fifo_switch_it(struct stk6d2x_data *alps_data, bool is_long_it);
  30. #endif
  31. /****************************************************************************************************
  32. * Declaration Initiation Setting
  33. ****************************************************************************************************/
  34. stk6d2x_register_table stk6d2x_default_register_table[] =
  35. {
  36. {STK6D2X_REG_ALS01_DGAIN, ((STK6D2X_ALS_DGAIN128 << STK6D2X_ALS0_DGAIN_SHIFT) | STK6D2X_ALS_DGAIN128), 0xFF},
  37. {STK6D2X_REG_ALS2_DGAIN, (STK6D2X_ALS_DGAIN128 << STK6D2X_ALS2_DGAIN_SHIFT), 0xFF},
  38. #ifndef STK_FIFO_ENABLE
  39. {STK6D2X_REG_IT1, ((STK6D2X_ALS_IT50 >> 8) & STK6D2X_ALS_IT1_MASK), 0xFF},
  40. {STK6D2X_REG_IT2, (STK6D2X_ALS_IT50 & 0xFF), 0xFF},
  41. #endif
  42. {STK6D2X_REG_WAIT1, 0x00, 0xFF},
  43. {STK6D2X_REG_WAIT2, 0x00, 0xFF},
  44. #ifdef STK_DATA_SUMMATION
  45. {STK6D2X_REG_ALS_SUM_GAIN1, (STK6D2X_ALS_SUM_GAIN_DIV256 << 4) | STK6D2X_ALS_SUM_GAIN_DIV256, 0xFF},
  46. {STK6D2X_REG_ALS_SUM_GAIN2, (STK6D2X_ALS_SUM_GAIN_DIV256 << 4), 0xFF},
  47. {STK6D2X_REG_ALS_SUM, 0x32, 0xFF},
  48. #endif
  49. #ifndef STK_FIFO_ENABLE
  50. {STK6D2X_REG_ALS_IT_EXT, 0x00, 0xFF},
  51. #endif
  52. {STK6D2X_REG_ALS_PRST, 0x00, 0xFF},
  53. #ifdef STK_ALS_AGC
  54. {STK6D2X_REG_AGC1, 0x0F, 0xFF},
  55. {STK6D2X_REG_AGC2, 0x70, 0xFF},
  56. #endif
  57. #ifdef STK_FIFO_ENABLE
  58. {STK6D2X_REG_FIFO1, STK6D2X_FIFO_SEL_STA01_STA2_ALS0_ALS1_ALS2, 0xFF},
  59. {STK6D2X_REG_IT1, ((STK_FLICKER_IT >> 8) & STK6D2X_ALS_IT1_MASK), 0xFF},
  60. {STK6D2X_REG_IT2, (STK_FLICKER_IT & 0xFF), 0xFF},
  61. {STK6D2X_REG_ALS_IT_EXT, STK_FLICKER_EXT_IT, 0xFF},
  62. #endif
  63. {STK6D2X_REG_ALS_AGAIN, 0x00, 0xFF},
  64. {0xF3, 0x03, 0xFF},
  65. {0x4F, 0x0F, 0xFF},
  66. {0x50, 0x04, 0xFF},
  67. {0xD1, 0x16, 0x1F}, //GC Setting
  68. {0xE3, 0x80, 0xFF}, //WDT 50ms
  69. {0xE5, 0x80, 0xFF}, //WDT 50ms
  70. {0xEA, 0x80, 0xFF}, //WDT 50ms
  71. {0xEC, 0x80, 0xFF}, //WDT 50ms
  72. };
  73. stk6d2x_register_table stk6d2x_default_otp_table[] =
  74. {
  75. {0x93, 0x01, 0x01},
  76. {0x90, 0x11, 0x3f},
  77. {0x92, 0x01, 0x02},
  78. {0x93, 0x00, 0x01},
  79. };
  80. uint8_t stk6d2x_pid_list[] = {0x30};
  81. uint32_t stk6d2x_power(uint32_t base, uint32_t exp)
  82. {
  83. uint32_t result = 1;
  84. while (exp)
  85. {
  86. if (exp & 1)
  87. result *= base;
  88. exp >>= 1;
  89. base *= base;
  90. }
  91. return result;
  92. }
  93. /****************************************************************************************************
  94. * stk6d2x.c API
  95. ****************************************************************************************************/
  96. int32_t stk6d2x_request_registry(struct stk6d2x_data *alps_data)
  97. {
  98. uint32_t FILE_SIZE = sizeof(stk6d2x_cali_table);
  99. uint8_t *file_out_buf;
  100. int32_t err = 0;
  101. ALS_info("start\n");
  102. file_out_buf = kzalloc(FILE_SIZE, GFP_KERNEL);
  103. memset(file_out_buf, 0, FILE_SIZE);
  104. return 0;
  105. }
  106. int32_t stk6d2x_update_registry(struct stk6d2x_data *alps_data)
  107. {
  108. uint32_t FILE_SIZE = sizeof(stk6d2x_cali_table);
  109. uint8_t *file_buf;
  110. int32_t err = 0;
  111. ALS_info("start\n");
  112. file_buf = kzalloc(FILE_SIZE, GFP_KERNEL);
  113. memset(file_buf, 0, FILE_SIZE);
  114. memcpy(file_buf, &alps_data->cali_info.cali_para.als_version, FILE_SIZE);
  115. //err = STK6D2X_W_TO_STORAGE(alps_data, STK6D2X_CALI_FILE, file_buf, FILE_SIZE);
  116. if (err < 0)
  117. {
  118. kfree(file_buf);
  119. return -1;
  120. }
  121. ALS_info("Done\n");
  122. kfree(file_buf);
  123. return 0;
  124. }
  125. void stk6d2x_get_reg_default_setting(uint8_t reg, uint16_t* value)
  126. {
  127. uint16_t reg_count = 0, reg_num = sizeof(stk6d2x_default_register_table) / sizeof(stk6d2x_register_table);
  128. for (reg_count = 0; reg_count < reg_num; reg_count++)
  129. {
  130. if (stk6d2x_default_register_table[reg_count].address == reg)
  131. {
  132. *value = (uint16_t)stk6d2x_default_register_table[reg_count].value;
  133. return;
  134. }
  135. }
  136. *value = 0x7FFF;
  137. }
  138. static int32_t stk6d2x_register_timer(struct stk6d2x_data *alps_data, stk6d2x_timer_type timer_type)
  139. {
  140. ALS_info("regist 0x%X timer\n", timer_type);
  141. switch (timer_type)
  142. {
  143. case STK6D2X_DATA_TIMER_ALPS:
  144. strcpy(alps_data->alps_timer_info.wq_name, "stk_alps_wq");
  145. alps_data->alps_timer_info.timer_unit = M_SECOND;
  146. alps_data->alps_timer_info.interval_time = alps_data->als_info.als_it;
  147. alps_data->alps_timer_info.timer_cb = stk6d2x_get_data_polling;
  148. alps_data->alps_timer_info.is_active = false;
  149. alps_data->alps_timer_info.is_exist = false;
  150. alps_data->alps_timer_info.any = alps_data;
  151. STK6D2X_TIMER_REGISTER(alps_data, &alps_data->alps_timer_info);
  152. break;
  153. }
  154. return 0;
  155. }
  156. void stk6d2x_als_set_new_thd(struct stk6d2x_data *alps_data, uint16_t alscode)
  157. {
  158. uint16_t high_thd, low_thd;
  159. high_thd = alscode + STK6D2X_ALS_THRESHOLD;
  160. low_thd = (alscode > STK6D2X_ALS_THRESHOLD) ? (alscode - STK6D2X_ALS_THRESHOLD) : 0;
  161. stk6d2x_set_als_thd(alps_data, (uint16_t)high_thd, (uint16_t)low_thd);
  162. }
  163. void stk6d2x_dump_reg(struct stk6d2x_data *alps_data)
  164. {
  165. uint8_t stk6d2x_reg_map[] =
  166. {
  167. STK6D2X_REG_STATE,
  168. STK6D2X_REG_ALS01_DGAIN,
  169. STK6D2X_REG_ALS2_DGAIN,
  170. STK6D2X_REG_IT1,
  171. STK6D2X_REG_IT2,
  172. STK6D2X_REG_WAIT1,
  173. STK6D2X_REG_WAIT2,
  174. STK6D2X_REG_ALS_SUM_GAIN1,
  175. STK6D2X_REG_ALS_SUM_GAIN2,
  176. STK6D2X_REG_THDH1_ALS,
  177. STK6D2X_REG_THDH2_ALS,
  178. STK6D2X_REG_THDL1_ALS,
  179. STK6D2X_REG_THDL2_ALS,
  180. STK6D2X_REG_ALS_IT_EXT,
  181. STK6D2X_REG_FLAG,
  182. STK6D2X_REG_DATA1_ALS0,
  183. STK6D2X_REG_DATA2_ALS0,
  184. STK6D2X_REG_DATA1_ALS1,
  185. STK6D2X_REG_DATA2_ALS1,
  186. STK6D2X_REG_DATA1_ALS2,
  187. STK6D2X_REG_DATA2_ALS2,
  188. STK6D2X_REG_AGC1_DG,
  189. STK6D2X_REG_AGC2_DG,
  190. STK6D2X_REG_AGC_CROS_THD_FLAG,
  191. STK6D2X_REG_AGC_AG,
  192. STK6D2X_REG_AGC_PD,
  193. STK6D2X_REG_DATA1_ALS0_SUM,
  194. STK6D2X_REG_DATA2_ALS0_SUM,
  195. STK6D2X_REG_DATA1_ALS1_SUM,
  196. STK6D2X_REG_DATA2_ALS1_SUM,
  197. STK6D2X_REG_DATA1_ALS2_SUM,
  198. STK6D2X_REG_DATA2_ALS2_SUM,
  199. STK6D2X_REG_DATA_AGC_SUM,
  200. STK6D2X_REG_ALS_PRST,
  201. STK6D2X_REG_FIFO1,
  202. STK6D2X_REG_FIFO1_WM_LV,
  203. STK6D2X_REG_FIFO2_WM_LV,
  204. STK6D2X_REG_FIFO_FCNT1,
  205. STK6D2X_REG_FIFO_FCNT2,
  206. STK6D2X_REG_FIFO_OUT,
  207. STK6D2X_REG_AGC1,
  208. STK6D2X_REG_AGC2,
  209. STK6D2X_REG_ALS_SUM,
  210. STK6D2X_REG_SW_RESET,
  211. STK6D2X_REG_PDT_ID,
  212. STK6D2X_REG_INT2,
  213. STK6D2X_REG_ALS_AGAIN,
  214. STK6D2X_REG_ALS_PD_REDUCE,
  215. };
  216. uint8_t i = 0;
  217. uint16_t n = sizeof(stk6d2x_reg_map) / sizeof(stk6d2x_reg_map[0]);
  218. int8_t reg_data;
  219. int ret = 0;
  220. for (i = 0; i < n; i++)
  221. {
  222. ret = STK6D2X_REG_READ(alps_data, stk6d2x_reg_map[i], &reg_data);
  223. if (ret < 0)
  224. {
  225. ALS_err("fail, ret=%d\n", ret);
  226. return;
  227. }
  228. else
  229. {
  230. ALS_info("Reg[0x%2X] = 0x%2X\n", stk6d2x_reg_map[i], (uint8_t)reg_data);
  231. }
  232. }
  233. }
  234. static int32_t stk6d2x_check_pid(struct stk6d2x_data *alps_data)
  235. {
  236. uint8_t value;
  237. uint16_t i = 0, pid_num = (sizeof(stk6d2x_pid_list) / sizeof(stk6d2x_pid_list[0]));
  238. int err;
  239. err = STK6D2X_REG_READ(alps_data, STK6D2X_REG_PDT_ID, &value);
  240. if (err < 0)
  241. {
  242. ALS_err("fail, ret=%d\n", err);
  243. return err;
  244. }
  245. ALS_err("PID = 0x%x\n", value);
  246. if ((value & 0xF0) == 0x30)
  247. alps_data->isTrimmed = 1;
  248. else
  249. alps_data->isTrimmed = 0;
  250. for (i = 0; i < pid_num; i++)
  251. {
  252. if (value == stk6d2x_pid_list[i])
  253. {
  254. return 0;
  255. }
  256. }
  257. return -1;
  258. }
  259. static int32_t stk6d2x_check_rid(struct stk6d2x_data *alps_data)
  260. {
  261. uint8_t value;
  262. int err;
  263. err = STK6D2X_REG_READ(alps_data, STK6D2X_REG_RID, &value);
  264. if (err < 0)
  265. {
  266. ALS_err("fail, ret=%d\n", err);
  267. return err;
  268. }
  269. ALS_err("RID = 0x%x\n", value);
  270. alps_data->rid = value;
  271. return 0;
  272. }
  273. static int32_t stk6d2x_software_reset(struct stk6d2x_data *alps_data)
  274. {
  275. int32_t r;
  276. r = STK6D2X_REG_WRITE(alps_data, STK6D2X_REG_SW_RESET, 0x0);
  277. if (r < 0)
  278. {
  279. ALS_err("software reset: read error after reset\n");
  280. return r;
  281. }
  282. STK6D2X_TIMER_BUSY_WAIT(alps_data, 13000, 15000, US_RANGE_DELAY);
  283. return 0;
  284. }
  285. int32_t stk6d2x_fsm_restart(struct stk6d2x_data *alps_data)
  286. {
  287. int32_t r;
  288. r = STK6D2X_REG_READ_MODIFY_WRITE(alps_data,
  289. STK6D2X_REG_STATE,
  290. STK6D2X_STATE_EN_FSM_RESTART_MASK,
  291. STK6D2X_STATE_EN_FSM_RESTART_MASK);
  292. if (r < 0)
  293. {
  294. ALS_err("fail\n");
  295. return r;
  296. }
  297. return 0;
  298. }
  299. /****************************************************************************************************
  300. * ALS control API
  301. ****************************************************************************************************/
  302. #ifdef STK_ALS_AGC
  303. int32_t stk6d2x_cal_curDGain(uint8_t gain_val)
  304. {
  305. uint32_t ret_gain = 0;
  306. if (gain_val > STK6D2X_ALS_DGAIN64)
  307. {
  308. ret_gain = stk6d2x_power(2, gain_val + 3);
  309. }
  310. else if (gain_val <= STK6D2X_ALS_DGAIN64)
  311. {
  312. ret_gain = stk6d2x_power(4, gain_val);
  313. }
  314. return ret_gain;
  315. }
  316. uint8_t stk6d2x_als_get_again_multiple(uint8_t gain)
  317. {
  318. uint8_t value = 0;
  319. switch (gain)
  320. {
  321. case STK6D2X_ALS_CI_2_0:
  322. value = STK6D2X_ALS_AGAIN_MULTI4;
  323. break;
  324. case STK6D2X_ALS_CI_1_0:
  325. value = STK6D2X_ALS_AGAIN_MULTI2;
  326. break;
  327. case STK6D2X_ALS_CI_0_5:
  328. value = STK6D2X_ALS_AGAIN_MULTI1;
  329. break;
  330. default:
  331. break;
  332. }
  333. return value;
  334. }
  335. uint8_t stk6d2x_als_get_pd_multiple(uint8_t gain, uint8_t pd_mode, uint8_t data_type)
  336. {
  337. uint8_t value = 0;
  338. if (data_type == STK6D2X_TYPE_ALS0 && (pd_mode == STK6D2X_ALS0_AGC_PDMODE0 || pd_mode == STK6D2X_ALS0_AGC_PDMODE1))
  339. {
  340. switch (gain)
  341. {
  342. case STK6D2X_ALS_PD_REDUCE_DIS:
  343. value = STK6D2X_ALS_PD_REDUCE_MULTI4;
  344. break;
  345. case STK6D2X_ALS_PD_REDUCE_LV1:
  346. value = STK6D2X_ALS_PD_REDUCE_MULTI2;
  347. break;
  348. case STK6D2X_ALS_PD_REDUCE_LV2:
  349. value = STK6D2X_ALS_PD_REDUCE_MULTI1;
  350. break;
  351. default:
  352. value = STK6D2X_ALS_PD_REDUCE_MULTI1;
  353. break;
  354. }
  355. }
  356. if (data_type == STK6D2X_TYPE_ALS1 && pd_mode == STK6D2X_ALS0_AGC_PDMODE0)
  357. {
  358. switch (gain)
  359. {
  360. case STK6D2X_ALS_PD_REDUCE_DIS:
  361. value = STK6D2X_ALS_PD_REDUCE_MULTI2;
  362. break;
  363. case STK6D2X_ALS_PD_REDUCE_LV1:
  364. value = STK6D2X_ALS_PD_REDUCE_MULTI1;
  365. break;
  366. default:
  367. value = STK6D2X_ALS_PD_REDUCE_MULTI1;
  368. break;
  369. }
  370. }
  371. if (data_type == STK6D2X_TYPE_ALS1 && pd_mode == STK6D2X_ALS0_AGC_PDMODE1)
  372. {
  373. switch (gain)
  374. {
  375. case STK6D2X_ALS_PD_REDUCE_DIS:
  376. value = STK6D2X_ALS_PD_REDUCE_MULTI3;
  377. break;
  378. case STK6D2X_ALS_PD_REDUCE_LV1:
  379. value = STK6D2X_ALS_PD_REDUCE_MULTI2;
  380. break;
  381. case STK6D2X_ALS_PD_REDUCE_LV2:
  382. value = STK6D2X_ALS_PD_REDUCE_MULTI1;
  383. break;
  384. default:
  385. value = STK6D2X_ALS_PD_REDUCE_MULTI1;
  386. break;
  387. }
  388. }
  389. if (data_type == STK6D2X_TYPE_ALS2 && pd_mode == STK6D2X_ALS0_AGC_PDMODE0)
  390. {
  391. switch (gain)
  392. {
  393. case STK6D2X_ALS_PD_REDUCE_DIS:
  394. value = STK6D2X_ALS_PD_REDUCE_MULTI2;
  395. break;
  396. case STK6D2X_ALS_PD_REDUCE_LV1:
  397. value = STK6D2X_ALS_PD_REDUCE_MULTI1;
  398. break;
  399. default:
  400. value = STK6D2X_ALS_PD_REDUCE_MULTI1;
  401. break;
  402. }
  403. }
  404. if (data_type == STK6D2X_TYPE_ALS2 && pd_mode == STK6D2X_ALS0_AGC_PDMODE1)
  405. {
  406. switch (gain)
  407. {
  408. case STK6D2X_ALS_PD_REDUCE_DIS:
  409. value = STK6D2X_ALS_PD_REDUCE_MULTI1;
  410. break;
  411. default:
  412. value = STK6D2X_ALS_PD_REDUCE_MULTI1;
  413. break;
  414. }
  415. }
  416. return value;
  417. }
  418. int32_t stk6d2x_get_curGain(struct stk6d2x_data *alps_data)
  419. {
  420. int32_t ret = 0;
  421. uint8_t flag_value = 0;
  422. uint8_t reg_value = 0;
  423. uint8_t pd_mode = 0;
  424. ret = STK6D2X_REG_READ(alps_data, STK6D2X_REG_ALS_PD_REDUCE, &pd_mode);
  425. if (ret < 0)
  426. {
  427. return ret;
  428. }
  429. alps_data->als_info.als_cur_pd_mode = (pd_mode & STK6D2X_ALS0_AGC_PDMODE_MASK) >> STK6D2X_ALS0_AGC_PDMODE_SHIFT;
  430. // dgain
  431. ret = STK6D2X_REG_READ(alps_data, STK6D2X_REG_AGC1_DG, &reg_value);
  432. if (ret < 0)
  433. {
  434. return ret;
  435. }
  436. flag_value = reg_value & (STK6D2X_FLG_ALS2_DG_MASK | STK6D2X_FLG_ALS1_DG_MASK | STK6D2X_FLG_ALS0_DG_MASK);
  437. alps_data->als_info.als_cur_dgain[2] = stk6d2x_cal_curDGain(reg_value & STK6D2X_ALS2_AGC_DG_MASK);
  438. ret = STK6D2X_REG_READ(alps_data, STK6D2X_REG_AGC2_DG, &reg_value);
  439. if (ret < 0)
  440. {
  441. return ret;
  442. }
  443. alps_data->als_info.als_cur_dgain[0] = stk6d2x_cal_curDGain(reg_value & STK6D2X_ALS0_AGC_DG_MASK);
  444. alps_data->als_info.als_cur_dgain[1] = stk6d2x_cal_curDGain((reg_value & STK6D2X_ALS1_AGC_DG_MASK) >> 4);
  445. // again
  446. ret = STK6D2X_REG_READ(alps_data, STK6D2X_REG_AGC_AG, &reg_value);
  447. if (ret < 0)
  448. {
  449. return ret;
  450. }
  451. alps_data->als_info.als_cur_again[0] = stk6d2x_als_get_again_multiple(reg_value & STK6D2X_ALS0_AGC_AG_MASK);
  452. alps_data->als_info.als_cur_again[1] = stk6d2x_als_get_again_multiple((reg_value & STK6D2X_ALS1_AGC_AG_MASK) >> 2);
  453. alps_data->als_info.als_cur_again[2] = stk6d2x_als_get_again_multiple((reg_value & STK6D2X_ALS2_AGC_AG_MASK) >> 4);
  454. // PD
  455. ret = STK6D2X_REG_READ(alps_data, STK6D2X_REG_AGC_PD, &reg_value);
  456. if (ret < 0)
  457. {
  458. return ret;
  459. }
  460. alps_data->als_info.als_cur_pd_reduce[0] = stk6d2x_als_get_pd_multiple(reg_value & STK6D2X_ALS0_AGC_PD_MASK, \
  461. alps_data->als_info.als_cur_pd_mode, \
  462. STK6D2X_TYPE_ALS0);
  463. alps_data->als_info.als_cur_pd_reduce[1] = stk6d2x_als_get_pd_multiple((reg_value & STK6D2X_ALS1_AGC_PD_MASK) >> 2, \
  464. alps_data->als_info.als_cur_pd_mode, \
  465. STK6D2X_TYPE_ALS1);
  466. alps_data->als_info.als_cur_pd_reduce[2] = stk6d2x_als_get_pd_multiple((reg_value & STK6D2X_ALS2_AGC_PD_MASK) >> 4, \
  467. alps_data->als_info.als_cur_pd_mode, \
  468. STK6D2X_TYPE_ALS2);
  469. ALS_info("Current DG Gain = ALS0:%d, ALS1:%d, ALS2:%d, AG Gain multiple = ALS0:%d, ALS1:%d, ALS2:%d\n",
  470. alps_data->als_info.als_cur_dgain[0],
  471. alps_data->als_info.als_cur_dgain[1],
  472. alps_data->als_info.als_cur_dgain[2],
  473. alps_data->als_info.als_cur_again[0],
  474. alps_data->als_info.als_cur_again[1],
  475. alps_data->als_info.als_cur_again[2]);
  476. ALS_info("Current PD Reduce multiple = ALS0:%d, ALS1:%d, ALS2:%d\n",
  477. alps_data->als_info.als_cur_pd_reduce[0],
  478. alps_data->als_info.als_cur_pd_reduce[1],
  479. alps_data->als_info.als_cur_pd_reduce[2]);
  480. return 0;
  481. }
  482. void stk6d2x_get_als_ratio(struct stk6d2x_data *alps_data)
  483. {
  484. alps_data->als_info.als_cur_ratio[0] = ((STK6D2X_ALS_DGAIN_MULTI1024 * STK6D2X_ALS_AGAIN_MULTI4 * STK6D2X_ALS_PD_REDUCE_MULTI4) / \
  485. ((alps_data->als_info.als_cur_dgain[0]) * \
  486. (alps_data->als_info.als_cur_again[0]) * \
  487. (alps_data->als_info.als_cur_pd_reduce[0])));
  488. //ALS1
  489. if (alps_data->als_info.als_cur_pd_mode == STK6D2X_ALS0_AGC_PDMODE0)
  490. {
  491. alps_data->als_info.als_cur_ratio[1] = ((STK6D2X_ALS_DGAIN_MULTI1024 * STK6D2X_ALS_AGAIN_MULTI4 * STK6D2X_ALS_PD_REDUCE_MULTI2) / \
  492. ((alps_data->als_info.als_cur_dgain[1]) * \
  493. (alps_data->als_info.als_cur_again[1]) * \
  494. (alps_data->als_info.als_cur_pd_reduce[1])));
  495. }
  496. else if (alps_data->als_info.als_cur_pd_mode == STK6D2X_ALS0_AGC_PDMODE1)
  497. {
  498. alps_data->als_info.als_cur_ratio[1] = ((STK6D2X_ALS_DGAIN_MULTI1024 * STK6D2X_ALS_AGAIN_MULTI4 * STK6D2X_ALS_PD_REDUCE_MULTI3) / \
  499. ((alps_data->als_info.als_cur_dgain[1]) * \
  500. (alps_data->als_info.als_cur_again[1]) * \
  501. (alps_data->als_info.als_cur_pd_reduce[1])));
  502. }
  503. //ALS2
  504. if (alps_data->als_info.als_cur_pd_mode == STK6D2X_ALS0_AGC_PDMODE0)
  505. {
  506. alps_data->als_info.als_cur_ratio[2] = ((STK6D2X_ALS_DGAIN_MULTI1024 * STK6D2X_ALS_AGAIN_MULTI4 * STK6D2X_ALS_PD_REDUCE_MULTI2) / \
  507. ((alps_data->als_info.als_cur_dgain[2]) * \
  508. (alps_data->als_info.als_cur_again[2]) * \
  509. (alps_data->als_info.als_cur_pd_reduce[2])));
  510. }
  511. else if (alps_data->als_info.als_cur_pd_mode == STK6D2X_ALS0_AGC_PDMODE1)
  512. {
  513. alps_data->als_info.als_cur_ratio[2] = ((STK6D2X_ALS_DGAIN_MULTI1024 * STK6D2X_ALS_AGAIN_MULTI4 * STK6D2X_ALS_PD_REDUCE_MULTI1) / \
  514. ((alps_data->als_info.als_cur_dgain[2]) * \
  515. (alps_data->als_info.als_cur_again[2]) * \
  516. (alps_data->als_info.als_cur_pd_reduce[2])));
  517. }
  518. /*ALS_info("Current AGC ratio = ALS0:%d, ALS1:%d, ALS2:%d\n",
  519. alps_data->als_info.als_cur_ratio[0],
  520. alps_data->als_info.als_cur_ratio[1],
  521. alps_data->als_info.als_cur_ratio[2]);*/
  522. }
  523. #ifdef SEC_FFT_FLICKER_1024
  524. uint8_t stk6d2x_sec_dgain(uint8_t gain_val)
  525. {
  526. uint8_t ret_gain = 0;
  527. if (gain_val > STK6D2X_ALS_DGAIN64)
  528. {
  529. ret_gain = gain_val + 3;
  530. }
  531. else if (gain_val <= STK6D2X_ALS_DGAIN64)
  532. {
  533. ret_gain = gain_val * 2;
  534. }
  535. return ret_gain;
  536. }
  537. uint8_t stk6d2x_sec_again(uint8_t gain)
  538. {
  539. uint8_t value = 0;
  540. switch (gain)
  541. {
  542. case STK6D2X_ALS_CI_2_0:
  543. value = 2;
  544. break;
  545. case STK6D2X_ALS_CI_1_0:
  546. value = 1;
  547. break;
  548. case STK6D2X_ALS_CI_0_5:
  549. value = 0;
  550. break;
  551. default:
  552. break;
  553. }
  554. return value;
  555. }
  556. uint8_t stk6d2x_sec_pd_multiple(uint8_t gain, uint8_t pd_mode, uint8_t data_type)
  557. {
  558. uint8_t value = 0;
  559. if (data_type == STK6D2X_TYPE_ALS0 && (pd_mode == STK6D2X_ALS0_AGC_PDMODE0 || pd_mode == STK6D2X_ALS0_AGC_PDMODE1))
  560. {
  561. switch (gain)
  562. {
  563. case STK6D2X_ALS_PD_REDUCE_DIS:
  564. value = 2;
  565. break;
  566. case STK6D2X_ALS_PD_REDUCE_LV1:
  567. value = 1;
  568. break;
  569. case STK6D2X_ALS_PD_REDUCE_LV2:
  570. value = 0;
  571. break;
  572. default:
  573. value = 0;
  574. break;
  575. }
  576. }
  577. if (data_type == STK6D2X_TYPE_ALS1 && pd_mode == STK6D2X_ALS0_AGC_PDMODE0)
  578. {
  579. switch (gain)
  580. {
  581. case STK6D2X_ALS_PD_REDUCE_DIS:
  582. value = 1;
  583. break;
  584. case STK6D2X_ALS_PD_REDUCE_LV1:
  585. value = 0;
  586. break;
  587. default:
  588. value = 0;
  589. break;
  590. }
  591. }
  592. if (data_type == STK6D2X_TYPE_ALS1 && pd_mode == STK6D2X_ALS0_AGC_PDMODE1)
  593. {
  594. switch (gain)
  595. {
  596. case STK6D2X_ALS_PD_REDUCE_DIS:
  597. value = 2;
  598. break;
  599. case STK6D2X_ALS_PD_REDUCE_LV1:
  600. value = 1;
  601. break;
  602. case STK6D2X_ALS_PD_REDUCE_LV2:
  603. value = 0;
  604. break;
  605. default:
  606. value = 0;
  607. break;
  608. }
  609. }
  610. if (data_type == STK6D2X_TYPE_ALS2 && pd_mode == STK6D2X_ALS0_AGC_PDMODE0)
  611. {
  612. switch (gain)
  613. {
  614. case STK6D2X_ALS_PD_REDUCE_DIS:
  615. value = 1;
  616. break;
  617. case STK6D2X_ALS_PD_REDUCE_LV1:
  618. value = 0;
  619. break;
  620. default:
  621. value = 0;
  622. break;
  623. }
  624. }
  625. if (data_type == STK6D2X_TYPE_ALS2 && pd_mode == STK6D2X_ALS0_AGC_PDMODE1)
  626. {
  627. switch (gain)
  628. {
  629. case STK6D2X_ALS_PD_REDUCE_DIS:
  630. value = 0;
  631. break;
  632. default:
  633. value = 0;
  634. break;
  635. }
  636. }
  637. return value;
  638. }
  639. #endif
  640. #endif
  641. static int32_t stk6d2x_als_latency(stk6d2x_data *alps_data)
  642. {
  643. #ifdef STK_FIFO_ENABLE
  644. int32_t ret;
  645. uint8_t reg_value[2] = {0};
  646. uint8_t ext_it_reg = 0;
  647. uint32_t als_it_time = 0;
  648. if (!alps_data->is_long_it)
  649. {
  650. ret = STK6D2X_REG_BLOCK_READ(alps_data, STK6D2X_REG_IT1, sizeof(reg_value), reg_value);
  651. if (ret < 0)
  652. {
  653. ALS_err("fail, ret=%d\n", ret);
  654. }
  655. ret = STK6D2X_REG_READ(alps_data, STK6D2X_REG_ALS_IT_EXT, &ext_it_reg);
  656. if (ret < 0)
  657. {
  658. return ret;
  659. }
  660. als_it_time = ((((reg_value[0] & 0x3f) | reg_value[1]) + 1) * 26660 + ext_it_reg * 833 + 130828); //convert time 130.8281 us
  661. als_it_time *= STK_FIFO_I2C_READ_FRAME;
  662. als_it_time /= 1000000;
  663. alps_data->als_info.als_it = als_it_time * 12 / 10;
  664. }
  665. else
  666. #endif
  667. {
  668. alps_data->als_info.als_it = 50 * 12 / 10;
  669. }
  670. ALS_err("ALS IT = %d\n", alps_data->als_info.als_it);
  671. return 0;
  672. }
  673. static int32_t stk6d2x_set_als_thd(stk6d2x_data *alps_data, uint16_t thd_h, uint16_t thd_l)
  674. {
  675. unsigned char val[4];
  676. int ret = 0;
  677. val[0] = (thd_h & 0xFF00) >> 8;
  678. val[1] = thd_h & 0x00FF;
  679. val[2] = (thd_l & 0xFF00) >> 8;
  680. val[3] = thd_l & 0x00FF;
  681. ret = STK6D2X_REG_WRITE_BLOCK(alps_data, STK6D2X_REG_THDH1_ALS, val, sizeof(val));
  682. if (ret < 0)
  683. {
  684. ALS_err("fail, ret=%d\n", ret);
  685. }
  686. return ret;
  687. }
  688. int32_t stk6d2x_enable_als(stk6d2x_data *alps_data, bool en)
  689. {
  690. int32_t ret = 0;
  691. uint8_t reg_value = 0;
  692. if (alps_data->als_info.enable == en)
  693. {
  694. ALS_err("ALS already set\n");
  695. return ret;
  696. }
  697. ret = STK6D2X_REG_READ(alps_data, STK6D2X_REG_STATE, &reg_value);
  698. if (ret < 0)
  699. {
  700. return ret;
  701. }
  702. reg_value &= (~(STK6D2X_STATE_EN_WAIT_MASK | STK6D2X_STATE_EN_ALS_MASK));
  703. if (en)
  704. {
  705. reg_value |= STK6D2X_STATE_EN_ALS_MASK;
  706. #ifdef STK_DATA_SUMMATION
  707. reg_value |= STK6D2X_STATE_EN_SUMMATION_MASK;
  708. #endif
  709. }
  710. else
  711. {
  712. #ifdef STK_ALS_CALI
  713. if (alps_data->als_info.cali_enable)
  714. {
  715. reg_value |= STK6D2X_STATE_EN_ALS_MASK;
  716. }
  717. #endif
  718. }
  719. ret = STK6D2X_REG_READ_MODIFY_WRITE(alps_data,
  720. STK6D2X_REG_STATE,
  721. reg_value,
  722. 0xFF);
  723. if (ret < 0)
  724. {
  725. return ret;
  726. }
  727. alps_data->als_info.enable = en;
  728. return ret;
  729. }
  730. #ifdef STK_DATA_SUMMATION
  731. static int32_t stk6d2x_als_get_data_summation(stk6d2x_data *alps_data, uint8_t agc_flag)
  732. {
  733. uint8_t raw_data[6];
  734. int err = 0;
  735. err = STK6D2X_REG_BLOCK_READ(alps_data, STK6D2X_REG_DATA1_ALS0_SUM, 6, &raw_data[0]);
  736. if (err < 0)
  737. {
  738. ALS_err("return err\n");
  739. return err;
  740. }
  741. if (!(agc_flag & 0x1))
  742. {
  743. alps_data->als_info.last_raw_data[0] = ((*(raw_data) << 8) | *(raw_data + 1));
  744. }
  745. if (!(agc_flag & 0x2))
  746. {
  747. alps_data->als_info.last_raw_data[1] = ((*(raw_data + 2) << 8) | *(raw_data + 3));
  748. }
  749. if (!(agc_flag & 0x4))
  750. {
  751. alps_data->als_info.last_raw_data[2] = ((*(raw_data + 4) << 8) | *(raw_data + 5));
  752. }
  753. return err;
  754. }
  755. static int32_t stk6d2x_als_get_summation_gain(stk6d2x_data *alps_data)
  756. {
  757. uint8_t raw_data[2];
  758. int err = 0, gain_div_value = 0;
  759. uint8_t sum_num = 0;
  760. err = STK6D2X_REG_READ(alps_data, STK6D2X_REG_ALS_SUM, &sum_num);
  761. if (err < 0)
  762. {
  763. return err;
  764. }
  765. while (gain_div_value < STK6D2X_ALS_SUM_GAIN_DIV256) {
  766. if ((1 << gain_div_value) >= (sum_num + 1))
  767. {
  768. ALS_err("set summation gain div = %d\n", (1 << gain_div_value));
  769. break;
  770. }
  771. gain_div_value ++;
  772. }
  773. err = STK6D2X_REG_READ_MODIFY_WRITE(alps_data,
  774. STK6D2X_REG_ALS_SUM_GAIN1,
  775. (gain_div_value << 4) | gain_div_value,
  776. 0xFF);
  777. if (err < 0)
  778. {
  779. return err;
  780. }
  781. err = STK6D2X_REG_READ_MODIFY_WRITE(alps_data,
  782. STK6D2X_REG_ALS_SUM_GAIN2,
  783. (gain_div_value << 4),
  784. 0xFF);
  785. if (err < 0)
  786. {
  787. return err;
  788. }
  789. err = STK6D2X_REG_BLOCK_READ(alps_data, STK6D2X_REG_ALS_SUM_GAIN1, 2, &raw_data[0]);
  790. if (err < 0)
  791. {
  792. ALS_err("return err\n");
  793. return err;
  794. }
  795. alps_data->als_info.als_sum_gain_div[0] = (raw_data[0] & 0xF0) >> 4;
  796. alps_data->als_info.als_sum_gain_div[1] = (raw_data[0] & 0x0F);
  797. alps_data->als_info.als_sum_gain_div[2] = (raw_data[0] & 0xF0) >> 4;
  798. return err;
  799. }
  800. #endif
  801. int32_t stk6d2x_als_get_data(stk6d2x_data *alps_data, bool is_skip)
  802. {
  803. uint8_t raw_data[6];
  804. int loop_count;
  805. int err = 0;
  806. err = STK6D2X_REG_BLOCK_READ(alps_data, STK6D2X_REG_DATA1_ALS0, 6, &raw_data[0]);
  807. if (err < 0)
  808. {
  809. ALS_err("return err\n");
  810. return err;
  811. }
  812. if (is_skip)
  813. return err;
  814. for (loop_count = 0; loop_count < 3; loop_count++)
  815. {
  816. *(alps_data->als_info.last_raw_data + loop_count ) = (*(raw_data + (2 * loop_count)) << 8 | *(raw_data + (2 * loop_count + 1) ));
  817. }
  818. return err;
  819. }
  820. void stk6d2x_get_data_polling(stk_timer_info *t_info)
  821. {
  822. stk6d2x_data *alps_data = (stk6d2x_data*)t_info->any;
  823. uint32_t als_data[3];
  824. int32_t ret = 0;
  825. uint8_t flag_value;
  826. #ifdef STK_FIFO_ENABLE
  827. uint8_t clk_status;
  828. #endif
  829. if (!alps_data->als_info.enable)
  830. {
  831. return;
  832. }
  833. if (!alps_data->is_long_it)
  834. {
  835. #ifdef STK_FIFO_ENABLE
  836. stk6d2x_get_fifo_data_polling(alps_data);
  837. // Check using external clk or not
  838. if (alps_data->is_long_it) {
  839. stk6d2x_fifo_switch_it(alps_data, 1);
  840. return;
  841. }
  842. if (alps_data->is_local_avg_update && alps_data->fifo_info.fft_buf_idx != 0)
  843. stk_sec_report(alps_data); //Stop reporting if it uses internal clk
  844. #ifdef STK_FIFO_DATA_SUMMATION
  845. alps_data->als_info.last_raw_data[0] = alps_data->fifo_info.fifo_sum_als0;
  846. alps_data->als_info.last_raw_data[1] = alps_data->fifo_info.fifo_sum_als1;
  847. alps_data->als_info.last_raw_data[2] = alps_data->fifo_info.fifo_sum_als2;
  848. alps_data->als_info.is_data_ready = true;
  849. #endif
  850. #ifdef STK_DATA_SUMMATION
  851. ret = STK6D2X_REG_READ(alps_data, STK6D2X_REG_DATA_AGC_SUM, &alps_data->als_info.als_agc_sum_flag);
  852. if (ret < 0)
  853. {
  854. return;
  855. }
  856. stk6d2x_als_get_data_summation(alps_data, alps_data->als_info.als_agc_sum_flag);
  857. stk6d2x_get_curGain(alps_data);
  858. stk6d2x_get_als_ratio(alps_data);
  859. if (!(alps_data->als_info.als_agc_sum_flag & 0x1))
  860. {
  861. alps_data->als_info.last_raw_data[0] = alps_data->als_info.last_raw_data[0] * alps_data->als_info.als_cur_ratio[0] * (1 << alps_data->als_info.als_sum_gain_div[0]);
  862. }
  863. if (!(alps_data->als_info.als_agc_sum_flag & 0x2))
  864. {
  865. //ALS1
  866. alps_data->als_info.last_raw_data[1] = alps_data->als_info.last_raw_data[1] * alps_data->als_info.als_cur_ratio[1] * (1 << alps_data->als_info.als_sum_gain_div[1]);
  867. }
  868. if (!(alps_data->als_info.als_agc_sum_flag & 0x4))
  869. {
  870. //ALS2
  871. alps_data->als_info.last_raw_data[2] = alps_data->als_info.last_raw_data[2] * alps_data->als_info.als_cur_ratio[2] * (1 << alps_data->als_info.als_sum_gain_div[2]);
  872. }
  873. #endif
  874. #endif
  875. }
  876. else
  877. {
  878. #ifdef STK_FIFO_ENABLE
  879. ret = STK6D2X_REG_READ(alps_data, 0x50, &clk_status);
  880. if (ret < 0)
  881. {
  882. ALS_err("i2c failed\n");
  883. return;
  884. }
  885. if ((clk_status >> 4) & 0x1)
  886. {
  887. stk6d2x_fifo_switch_it(alps_data, 0);
  888. return;
  889. }
  890. #endif
  891. // ALPS timer without FIFO control
  892. if (alps_data->als_info.enable)
  893. {
  894. ret = STK6D2X_REG_READ(alps_data, STK6D2X_REG_FLAG, &flag_value);
  895. if (ret < 0)
  896. {
  897. ALS_err("i2c failed\n");
  898. return;
  899. }
  900. if (flag_value & STK6D2X_FLG_ALSDR_MASK)
  901. {
  902. stk6d2x_als_get_data(alps_data, 0);
  903. stk6d2x_get_curGain(alps_data);
  904. stk6d2x_get_als_ratio(alps_data);
  905. //ALS0
  906. alps_data->als_info.last_raw_data[0] = alps_data->als_info.last_raw_data[0] * alps_data->als_info.als_cur_ratio[0];
  907. //ALS1
  908. alps_data->als_info.last_raw_data[1] = alps_data->als_info.last_raw_data[1] * alps_data->als_info.als_cur_ratio[1];
  909. //ALS2
  910. alps_data->als_info.last_raw_data[2] = alps_data->als_info.last_raw_data[2] * alps_data->als_info.als_cur_ratio[2];
  911. alps_data->als_info.is_data_ready = true;
  912. }
  913. else
  914. {
  915. ALS_err("ALS data was not ready\n");
  916. }
  917. }
  918. }
  919. if (alps_data->als_info.is_data_ready)
  920. {
  921. alps_data->als_info.is_data_ready = false;
  922. // Last information
  923. als_data[0] = (alps_data->als_info.last_raw_data[0]) * alps_data->als_info.scale / 1000;
  924. als_data[1] = (alps_data->als_info.last_raw_data[1]) * alps_data->als_info.scale / 1000;
  925. als_data[2] = (alps_data->als_info.last_raw_data[2]) * alps_data->als_info.scale / 1000;
  926. ALS_info("multiple ratio ALS0 Data = %llu, ALS1 data = %llu, ALS2 data = %llu\n",
  927. alps_data->als_info.last_raw_data[0],
  928. alps_data->als_info.last_raw_data[1],
  929. alps_data->als_info.last_raw_data[2]);
  930. STK6D2X_ALS_REPORT(alps_data, als_data, 3);
  931. }
  932. }
  933. #ifdef STK_FIFO_ENABLE
  934. void stk6d2x_fifo_switch_it(struct stk6d2x_data *alps_data, bool is_long_it)
  935. {
  936. if (!alps_data->als_info.enable) {
  937. ALS_err("Sensor is not enable return\n");
  938. return;
  939. }
  940. if (is_long_it)
  941. {
  942. alps_data->is_long_it = true;
  943. STK6D2X_REG_WRITE(alps_data, STK6D2X_REG_IT1, (STK6D2X_ALS_IT50 >> 8) & STK6D2X_ALS_IT1_MASK);
  944. STK6D2X_REG_WRITE(alps_data, STK6D2X_REG_IT2, STK6D2X_ALS_IT50 & 0xFF);
  945. STK6D2X_REG_WRITE(alps_data, STK6D2X_REG_ALS_IT_EXT, 0x0);
  946. stk6d2x_enable_fifo(alps_data, false);
  947. //stk6d2x_fifo_stop_retry(alps_data);
  948. ALS_err("Switch to long IT\n");
  949. }
  950. else
  951. {
  952. alps_data->is_long_it = false;
  953. STK6D2X_REG_WRITE(alps_data, STK6D2X_REG_IT1, (STK_FLICKER_IT >> 8) & STK6D2X_ALS_IT1_MASK);
  954. STK6D2X_REG_WRITE(alps_data, STK6D2X_REG_IT2, STK_FLICKER_IT & 0xFF);
  955. STK6D2X_REG_WRITE(alps_data, STK6D2X_REG_ALS_IT_EXT, STK_FLICKER_EXT_IT);
  956. stk6d2x_enable_fifo(alps_data, true);
  957. //stk6d2x_alloc_fifo_data(alps_data, STK_FIFO_I2C_READ_FRAME_TARGET);
  958. ALS_err("Switch to short IT\n");
  959. }
  960. stk6d2x_fsm_restart(alps_data);
  961. stk6d2x_als_get_data(alps_data, 1);
  962. STK6D2X_TIMER_STOP(alps_data, &alps_data->alps_timer_info);
  963. stk6d2x_als_latency(alps_data);
  964. alps_data->alps_timer_info.interval_time = alps_data->als_info.als_it;
  965. alps_data->alps_timer_info.change_interval_time = true;
  966. STK6D2X_TIMER_REGISTER(alps_data, &alps_data->alps_timer_info);
  967. STK6D2X_TIMER_START(alps_data, &alps_data->alps_timer_info);
  968. }
  969. #endif
  970. /****************************************************************************************************
  971. * System Init. API
  972. ****************************************************************************************************/
  973. static void stk6d2x_init_para(struct stk6d2x_data *alps_data,
  974. struct stk6d2x_platform_data *plat_data)
  975. {
  976. memset(&alps_data->als_info, 0, sizeof(alps_data->als_info));
  977. alps_data->als_info.first_init = true;
  978. #ifdef STK_ALS_CALI
  979. if (alps_data->cali_info.cali_para.als_version != 0)
  980. {
  981. alps_data->als_info.scale = alps_data->cali_info.cali_para.als_scale;
  982. }
  983. else
  984. #endif
  985. {
  986. alps_data->als_info.scale = plat_data->als_scale;
  987. }
  988. alps_data->pdata = plat_data;
  989. alps_data->als_info.is_data_ready = false;
  990. #ifdef STK_FIFO_ENABLE
  991. alps_data->is_long_it = false;
  992. alps_data->index_last = 0;
  993. alps_data->is_first = true;
  994. alps_data->is_local_avg_update = false;
  995. alps_data->clear_local_average = 0;
  996. alps_data->uv_local_average = 0;
  997. alps_data->ir_local_average = 0;
  998. alps_data->is_clear_local_sat = false;
  999. alps_data->is_uv_local_sat = false;
  1000. alps_data->is_ir_local_sat = false;
  1001. #else
  1002. alps_data->is_long_it = true;
  1003. #endif
  1004. #if IS_ENABLED(CONFIG_SENSORS_FLICKER_SELF_TEST)
  1005. alps_data->eol_enabled = false;
  1006. #endif
  1007. }
  1008. static int32_t stk6d2x_init_all_reg(struct stk6d2x_data *alps_data)
  1009. {
  1010. int32_t ret = 0;
  1011. uint16_t reg_count = 0, reg_num = sizeof(stk6d2x_default_register_table) / sizeof(stk6d2x_register_table);
  1012. for (reg_count = 0; reg_count < reg_num; reg_count++)
  1013. {
  1014. ret = STK6D2X_REG_READ_MODIFY_WRITE(alps_data,
  1015. stk6d2x_default_register_table[reg_count].address,
  1016. stk6d2x_default_register_table[reg_count].value,
  1017. stk6d2x_default_register_table[reg_count].mask_bit);
  1018. if (ret < 0)
  1019. {
  1020. ALS_err("write i2c error\n");
  1021. return ret;
  1022. }
  1023. }
  1024. return ret;
  1025. }
  1026. int32_t stk6d2x_init_all_setting(stk6d2x_data *alps_data)
  1027. {
  1028. int32_t ret;
  1029. ret = stk6d2x_software_reset(alps_data);
  1030. if (ret < 0)
  1031. return ret;
  1032. ret = stk6d2x_check_pid(alps_data);
  1033. if (ret < 0)
  1034. return ret;
  1035. ret = stk6d2x_check_rid(alps_data);
  1036. if (ret < 0)
  1037. return ret;
  1038. ret = stk6d2x_init_all_reg(alps_data);
  1039. if (ret < 0)
  1040. return ret;
  1041. #ifdef STK_FIFO_ENABLE
  1042. stk6d2x_fifo_init(alps_data);
  1043. #endif
  1044. alps_data->first_init = true;
  1045. #if defined(CONFIG_AMS_ALS_COMPENSATION_FOR_AUTO_BRIGHTNESS)
  1046. alps_data->als_flag = false;
  1047. alps_data->flicker_flag = false;
  1048. #endif
  1049. stk6d2x_dump_reg(alps_data);
  1050. return 0;
  1051. }
  1052. void stk6d2x_force_stop(stk6d2x_data *alps_data)
  1053. {
  1054. ALS_err("Stop ALPS timer\n");
  1055. STK6D2X_TIMER_STOP(alps_data, &alps_data->alps_timer_info);
  1056. ALS_err("FIFO disable\n");
  1057. stk6d2x_enable_fifo(alps_data, false);
  1058. stk_power_ctrl(alps_data, false);
  1059. if (alps_data->als_info.enable == true)
  1060. alps_data->als_info.enable = false;
  1061. }
  1062. int32_t stk6d2x_alps_set_config(stk6d2x_data *alps_data, bool en)
  1063. {
  1064. int32_t ret = 0;
  1065. mutex_lock(&alps_data->config_lock);
  1066. if (alps_data->first_init)
  1067. {
  1068. ret = stk6d2x_request_registry(alps_data);
  1069. if (ret < 0)
  1070. goto err;
  1071. stk6d2x_init_para(alps_data, alps_data->pdata);
  1072. alps_data->first_init = false;
  1073. }
  1074. if (alps_data->als_info.enable == en)
  1075. {
  1076. ALS_err("ALS status is same (%d)\n", en);
  1077. goto err;
  1078. }
  1079. if (en == 1)
  1080. stk6d2x_init_all_reg(alps_data);
  1081. stk6d2x_pin_control(alps_data, en);
  1082. if (en)
  1083. {
  1084. ALS_err("ALPS Timer SETTING\n");
  1085. if (!alps_data->alps_timer_info.is_exist)
  1086. {
  1087. stk6d2x_als_latency(alps_data);
  1088. ret = stk6d2x_register_timer(alps_data, STK6D2X_DATA_TIMER_ALPS);
  1089. if (ret < 0)
  1090. {
  1091. ALS_err("register timer fail\n");
  1092. mutex_unlock(&alps_data->config_lock);
  1093. return ret;
  1094. }
  1095. }
  1096. #if defined(CONFIG_AMS_ALS_COMPENSATION_FOR_AUTO_BRIGHTNESS)
  1097. if (alps_data->flicker_flag)
  1098. #endif
  1099. {
  1100. if (!alps_data->alps_timer_info.is_active)
  1101. {
  1102. ret = STK6D2X_TIMER_START(alps_data, &alps_data->alps_timer_info);
  1103. if (ret < 0)
  1104. {
  1105. ALS_err(" start timer fail\n");
  1106. mutex_unlock(&alps_data->config_lock);
  1107. return ret;
  1108. }
  1109. }
  1110. }
  1111. }
  1112. #ifdef STK_ALS_ENABLE
  1113. ret = stk6d2x_enable_als(alps_data, en);
  1114. if (ret < 0) {
  1115. stk6d2x_force_stop(alps_data);
  1116. goto err;
  1117. }
  1118. #endif
  1119. if (!en && !alps_data->als_info.enable)
  1120. {
  1121. ALS_dbg("Stop ALPS timer\n");
  1122. STK6D2X_TIMER_STOP(alps_data, &alps_data->alps_timer_info);
  1123. }
  1124. #ifdef STK_FIFO_ENABLE
  1125. if (alps_data->als_info.enable == true)
  1126. {
  1127. ALS_dbg("FIFO enable\n");
  1128. #ifdef STK_DATA_SUMMATION
  1129. stk6d2x_als_get_summation_gain(alps_data);
  1130. #endif
  1131. stk6d2x_enable_fifo(alps_data, true);
  1132. }
  1133. else
  1134. {
  1135. ALS_dbg("FIFO disable\n");
  1136. stk6d2x_enable_fifo(alps_data, false);
  1137. }
  1138. #endif
  1139. // stk6d2x_dump_reg(alps_data);
  1140. err:
  1141. mutex_unlock(&alps_data->config_lock);
  1142. return 0;
  1143. }
  1144. #if defined(CONFIG_AMS_ALS_COMPENSATION_FOR_AUTO_BRIGHTNESS)
  1145. void stk_als_init(struct stk6d2x_data *alps_data)
  1146. {
  1147. STK6D2X_REG_WRITE(alps_data, STK6D2X_REG_IT1,
  1148. (STK6D2X_ALS_IT40 >> 8) & STK6D2X_ALS_IT1_MASK);
  1149. STK6D2X_REG_WRITE(alps_data, STK6D2X_REG_IT2, STK6D2X_ALS_IT40 & 0xFF);
  1150. STK6D2X_REG_WRITE(alps_data, STK6D2X_REG_ALS_IT_EXT, 0x0);
  1151. stk6d2x_enable_fifo(alps_data, false);
  1152. stk6d2x_fsm_restart(alps_data);
  1153. }
  1154. void stk_als_start(struct stk6d2x_data *alps_data)
  1155. {
  1156. ALS_dbg("stk_als_start\n");
  1157. if (!alps_data->flicker_flag) {
  1158. stk6d2x_alps_set_config(alps_data, true);
  1159. stk_als_init(alps_data);
  1160. }
  1161. }
  1162. void stk_als_stop(struct stk6d2x_data *alps_data)
  1163. {
  1164. ALS_dbg("%s\n",__func__);
  1165. if (!alps_data->flicker_flag)
  1166. stk6d2x_alps_set_config(alps_data, false);
  1167. }
  1168. #endif /* CONFIG_AMS_ALS_COMPENSATION_FOR_AUTO_BRIGHTNESS */