123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050105110521053105410551056105710581059106010611062106310641065106610671068106910701071107210731074107510761077107810791080108110821083108410851086108710881089109010911092109310941095109610971098109911001101110211031104110511061107110811091110111111121113111411151116111711181119112011211122112311241125112611271128112911301131113211331134113511361137113811391140114111421143114411451146114711481149115011511152115311541155115611571158115911601161116211631164116511661167116811691170117111721173117411751176117711781179118011811182118311841185118611871188118911901191119211931194119511961197119811991200120112021203120412051206120712081209121012111212121312141215121612171218121912201221122212231224122512261227122812291230123112321233123412351236123712381239124012411242124312441245124612471248124912501251125212531254125512561257125812591260126112621263126412651266126712681269127012711272127312741275127612771278127912801281128212831284128512861287128812891290129112921293129412951296129712981299130013011302130313041305130613071308130913101311131213131314131513161317131813191320132113221323132413251326132713281329133013311332133313341335133613371338133913401341134213431344134513461347134813491350135113521353135413551356135713581359136013611362136313641365136613671368 |
- /*
- * stk6d2x.c - Linux kernel modules for sensortek stk6d2x
- * ambient light sensor (driver)
- *
- * Copyright (C) 2012~2018 Bk, sensortek Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
- #include <stk6d2x.h>
- #include <linux/delay.h>
- /****************************************************************************************************
- * Declaration function
- ****************************************************************************************************/
- static int32_t stk6d2x_set_als_thd(struct stk6d2x_data *alps_data, uint16_t thd_h, uint16_t thd_l);
- void stk6d2x_get_data_polling(stk_timer_info *t_info);
- #ifdef STK_FIFO_ENABLE
- void stk6d2x_fifo_switch_it(struct stk6d2x_data *alps_data, bool is_long_it);
- #endif
- /****************************************************************************************************
- * Declaration Initiation Setting
- ****************************************************************************************************/
- stk6d2x_register_table stk6d2x_default_register_table[] =
- {
- {STK6D2X_REG_ALS01_DGAIN, ((STK6D2X_ALS_DGAIN128 << STK6D2X_ALS0_DGAIN_SHIFT) | STK6D2X_ALS_DGAIN128), 0xFF},
- {STK6D2X_REG_ALS2_DGAIN, (STK6D2X_ALS_DGAIN128 << STK6D2X_ALS2_DGAIN_SHIFT), 0xFF},
- #ifndef STK_FIFO_ENABLE
- {STK6D2X_REG_IT1, ((STK6D2X_ALS_IT50 >> 8) & STK6D2X_ALS_IT1_MASK), 0xFF},
- {STK6D2X_REG_IT2, (STK6D2X_ALS_IT50 & 0xFF), 0xFF},
- #endif
- {STK6D2X_REG_WAIT1, 0x00, 0xFF},
- {STK6D2X_REG_WAIT2, 0x00, 0xFF},
- #ifdef STK_DATA_SUMMATION
- {STK6D2X_REG_ALS_SUM_GAIN1, (STK6D2X_ALS_SUM_GAIN_DIV256 << 4) | STK6D2X_ALS_SUM_GAIN_DIV256, 0xFF},
- {STK6D2X_REG_ALS_SUM_GAIN2, (STK6D2X_ALS_SUM_GAIN_DIV256 << 4), 0xFF},
- {STK6D2X_REG_ALS_SUM, 0x32, 0xFF},
- #endif
- #ifndef STK_FIFO_ENABLE
- {STK6D2X_REG_ALS_IT_EXT, 0x00, 0xFF},
- #endif
- {STK6D2X_REG_ALS_PRST, 0x00, 0xFF},
- #ifdef STK_ALS_AGC
- {STK6D2X_REG_AGC1, 0x0F, 0xFF},
- {STK6D2X_REG_AGC2, 0x70, 0xFF},
- #endif
- #ifdef STK_FIFO_ENABLE
- {STK6D2X_REG_FIFO1, STK6D2X_FIFO_SEL_STA01_STA2_ALS0_ALS1_ALS2, 0xFF},
- {STK6D2X_REG_IT1, ((STK_FLICKER_IT >> 8) & STK6D2X_ALS_IT1_MASK), 0xFF},
- {STK6D2X_REG_IT2, (STK_FLICKER_IT & 0xFF), 0xFF},
- {STK6D2X_REG_ALS_IT_EXT, STK_FLICKER_EXT_IT, 0xFF},
- #endif
- {STK6D2X_REG_ALS_AGAIN, 0x00, 0xFF},
- {0xF3, 0x03, 0xFF},
- {0x4F, 0x0F, 0xFF},
- {0x50, 0x04, 0xFF},
- {0xD1, 0x16, 0x1F}, //GC Setting
- {0xE3, 0x80, 0xFF}, //WDT 50ms
- {0xE5, 0x80, 0xFF}, //WDT 50ms
- {0xEA, 0x80, 0xFF}, //WDT 50ms
- {0xEC, 0x80, 0xFF}, //WDT 50ms
- };
- stk6d2x_register_table stk6d2x_default_otp_table[] =
- {
- {0x93, 0x01, 0x01},
- {0x90, 0x11, 0x3f},
- {0x92, 0x01, 0x02},
- {0x93, 0x00, 0x01},
- };
- uint8_t stk6d2x_pid_list[] = {0x30};
- uint32_t stk6d2x_power(uint32_t base, uint32_t exp)
- {
- uint32_t result = 1;
- while (exp)
- {
- if (exp & 1)
- result *= base;
- exp >>= 1;
- base *= base;
- }
- return result;
- }
- /****************************************************************************************************
- * stk6d2x.c API
- ****************************************************************************************************/
- int32_t stk6d2x_request_registry(struct stk6d2x_data *alps_data)
- {
- uint32_t FILE_SIZE = sizeof(stk6d2x_cali_table);
- uint8_t *file_out_buf;
- int32_t err = 0;
- ALS_info("start\n");
- file_out_buf = kzalloc(FILE_SIZE, GFP_KERNEL);
- memset(file_out_buf, 0, FILE_SIZE);
- return 0;
- }
- int32_t stk6d2x_update_registry(struct stk6d2x_data *alps_data)
- {
- uint32_t FILE_SIZE = sizeof(stk6d2x_cali_table);
- uint8_t *file_buf;
- int32_t err = 0;
- ALS_info("start\n");
- file_buf = kzalloc(FILE_SIZE, GFP_KERNEL);
- memset(file_buf, 0, FILE_SIZE);
- memcpy(file_buf, &alps_data->cali_info.cali_para.als_version, FILE_SIZE);
- //err = STK6D2X_W_TO_STORAGE(alps_data, STK6D2X_CALI_FILE, file_buf, FILE_SIZE);
- if (err < 0)
- {
- kfree(file_buf);
- return -1;
- }
- ALS_info("Done\n");
- kfree(file_buf);
- return 0;
- }
- void stk6d2x_get_reg_default_setting(uint8_t reg, uint16_t* value)
- {
- uint16_t reg_count = 0, reg_num = sizeof(stk6d2x_default_register_table) / sizeof(stk6d2x_register_table);
- for (reg_count = 0; reg_count < reg_num; reg_count++)
- {
- if (stk6d2x_default_register_table[reg_count].address == reg)
- {
- *value = (uint16_t)stk6d2x_default_register_table[reg_count].value;
- return;
- }
- }
- *value = 0x7FFF;
- }
- static int32_t stk6d2x_register_timer(struct stk6d2x_data *alps_data, stk6d2x_timer_type timer_type)
- {
- ALS_info("regist 0x%X timer\n", timer_type);
- switch (timer_type)
- {
- case STK6D2X_DATA_TIMER_ALPS:
- strcpy(alps_data->alps_timer_info.wq_name, "stk_alps_wq");
- alps_data->alps_timer_info.timer_unit = M_SECOND;
- alps_data->alps_timer_info.interval_time = alps_data->als_info.als_it;
- alps_data->alps_timer_info.timer_cb = stk6d2x_get_data_polling;
- alps_data->alps_timer_info.is_active = false;
- alps_data->alps_timer_info.is_exist = false;
- alps_data->alps_timer_info.any = alps_data;
- STK6D2X_TIMER_REGISTER(alps_data, &alps_data->alps_timer_info);
- break;
- }
- return 0;
- }
- void stk6d2x_als_set_new_thd(struct stk6d2x_data *alps_data, uint16_t alscode)
- {
- uint16_t high_thd, low_thd;
- high_thd = alscode + STK6D2X_ALS_THRESHOLD;
- low_thd = (alscode > STK6D2X_ALS_THRESHOLD) ? (alscode - STK6D2X_ALS_THRESHOLD) : 0;
- stk6d2x_set_als_thd(alps_data, (uint16_t)high_thd, (uint16_t)low_thd);
- }
- void stk6d2x_dump_reg(struct stk6d2x_data *alps_data)
- {
- uint8_t stk6d2x_reg_map[] =
- {
- STK6D2X_REG_STATE,
- STK6D2X_REG_ALS01_DGAIN,
- STK6D2X_REG_ALS2_DGAIN,
- STK6D2X_REG_IT1,
- STK6D2X_REG_IT2,
- STK6D2X_REG_WAIT1,
- STK6D2X_REG_WAIT2,
- STK6D2X_REG_ALS_SUM_GAIN1,
- STK6D2X_REG_ALS_SUM_GAIN2,
- STK6D2X_REG_THDH1_ALS,
- STK6D2X_REG_THDH2_ALS,
- STK6D2X_REG_THDL1_ALS,
- STK6D2X_REG_THDL2_ALS,
- STK6D2X_REG_ALS_IT_EXT,
- STK6D2X_REG_FLAG,
- STK6D2X_REG_DATA1_ALS0,
- STK6D2X_REG_DATA2_ALS0,
- STK6D2X_REG_DATA1_ALS1,
- STK6D2X_REG_DATA2_ALS1,
- STK6D2X_REG_DATA1_ALS2,
- STK6D2X_REG_DATA2_ALS2,
- STK6D2X_REG_AGC1_DG,
- STK6D2X_REG_AGC2_DG,
- STK6D2X_REG_AGC_CROS_THD_FLAG,
- STK6D2X_REG_AGC_AG,
- STK6D2X_REG_AGC_PD,
- STK6D2X_REG_DATA1_ALS0_SUM,
- STK6D2X_REG_DATA2_ALS0_SUM,
- STK6D2X_REG_DATA1_ALS1_SUM,
- STK6D2X_REG_DATA2_ALS1_SUM,
- STK6D2X_REG_DATA1_ALS2_SUM,
- STK6D2X_REG_DATA2_ALS2_SUM,
- STK6D2X_REG_DATA_AGC_SUM,
- STK6D2X_REG_ALS_PRST,
- STK6D2X_REG_FIFO1,
- STK6D2X_REG_FIFO1_WM_LV,
- STK6D2X_REG_FIFO2_WM_LV,
- STK6D2X_REG_FIFO_FCNT1,
- STK6D2X_REG_FIFO_FCNT2,
- STK6D2X_REG_FIFO_OUT,
- STK6D2X_REG_AGC1,
- STK6D2X_REG_AGC2,
- STK6D2X_REG_ALS_SUM,
- STK6D2X_REG_SW_RESET,
- STK6D2X_REG_PDT_ID,
- STK6D2X_REG_INT2,
- STK6D2X_REG_ALS_AGAIN,
- STK6D2X_REG_ALS_PD_REDUCE,
- };
- uint8_t i = 0;
- uint16_t n = sizeof(stk6d2x_reg_map) / sizeof(stk6d2x_reg_map[0]);
- int8_t reg_data;
- int ret = 0;
- for (i = 0; i < n; i++)
- {
- ret = STK6D2X_REG_READ(alps_data, stk6d2x_reg_map[i], ®_data);
- if (ret < 0)
- {
- ALS_err("fail, ret=%d\n", ret);
- return;
- }
- else
- {
- ALS_info("Reg[0x%2X] = 0x%2X\n", stk6d2x_reg_map[i], (uint8_t)reg_data);
- }
- }
- }
- static int32_t stk6d2x_check_pid(struct stk6d2x_data *alps_data)
- {
- uint8_t value;
- uint16_t i = 0, pid_num = (sizeof(stk6d2x_pid_list) / sizeof(stk6d2x_pid_list[0]));
- int err;
- err = STK6D2X_REG_READ(alps_data, STK6D2X_REG_PDT_ID, &value);
- if (err < 0)
- {
- ALS_err("fail, ret=%d\n", err);
- return err;
- }
- ALS_err("PID = 0x%x\n", value);
- if ((value & 0xF0) == 0x30)
- alps_data->isTrimmed = 1;
- else
- alps_data->isTrimmed = 0;
- for (i = 0; i < pid_num; i++)
- {
- if (value == stk6d2x_pid_list[i])
- {
- return 0;
- }
- }
- return -1;
- }
- static int32_t stk6d2x_check_rid(struct stk6d2x_data *alps_data)
- {
- uint8_t value;
- int err;
- err = STK6D2X_REG_READ(alps_data, STK6D2X_REG_RID, &value);
- if (err < 0)
- {
- ALS_err("fail, ret=%d\n", err);
- return err;
- }
- ALS_err("RID = 0x%x\n", value);
- alps_data->rid = value;
- return 0;
- }
- static int32_t stk6d2x_software_reset(struct stk6d2x_data *alps_data)
- {
- int32_t r;
- r = STK6D2X_REG_WRITE(alps_data, STK6D2X_REG_SW_RESET, 0x0);
- if (r < 0)
- {
- ALS_err("software reset: read error after reset\n");
- return r;
- }
- STK6D2X_TIMER_BUSY_WAIT(alps_data, 13000, 15000, US_RANGE_DELAY);
- return 0;
- }
- int32_t stk6d2x_fsm_restart(struct stk6d2x_data *alps_data)
- {
- int32_t r;
- r = STK6D2X_REG_READ_MODIFY_WRITE(alps_data,
- STK6D2X_REG_STATE,
- STK6D2X_STATE_EN_FSM_RESTART_MASK,
- STK6D2X_STATE_EN_FSM_RESTART_MASK);
- if (r < 0)
- {
- ALS_err("fail\n");
- return r;
- }
- return 0;
- }
- /****************************************************************************************************
- * ALS control API
- ****************************************************************************************************/
- #ifdef STK_ALS_AGC
- int32_t stk6d2x_cal_curDGain(uint8_t gain_val)
- {
- uint32_t ret_gain = 0;
- if (gain_val > STK6D2X_ALS_DGAIN64)
- {
- ret_gain = stk6d2x_power(2, gain_val + 3);
- }
- else if (gain_val <= STK6D2X_ALS_DGAIN64)
- {
- ret_gain = stk6d2x_power(4, gain_val);
- }
- return ret_gain;
- }
- uint8_t stk6d2x_als_get_again_multiple(uint8_t gain)
- {
- uint8_t value = 0;
- switch (gain)
- {
- case STK6D2X_ALS_CI_2_0:
- value = STK6D2X_ALS_AGAIN_MULTI4;
- break;
- case STK6D2X_ALS_CI_1_0:
- value = STK6D2X_ALS_AGAIN_MULTI2;
- break;
- case STK6D2X_ALS_CI_0_5:
- value = STK6D2X_ALS_AGAIN_MULTI1;
- break;
- default:
- break;
- }
- return value;
- }
- uint8_t stk6d2x_als_get_pd_multiple(uint8_t gain, uint8_t pd_mode, uint8_t data_type)
- {
- uint8_t value = 0;
- if (data_type == STK6D2X_TYPE_ALS0 && (pd_mode == STK6D2X_ALS0_AGC_PDMODE0 || pd_mode == STK6D2X_ALS0_AGC_PDMODE1))
- {
- switch (gain)
- {
- case STK6D2X_ALS_PD_REDUCE_DIS:
- value = STK6D2X_ALS_PD_REDUCE_MULTI4;
- break;
- case STK6D2X_ALS_PD_REDUCE_LV1:
- value = STK6D2X_ALS_PD_REDUCE_MULTI2;
- break;
- case STK6D2X_ALS_PD_REDUCE_LV2:
- value = STK6D2X_ALS_PD_REDUCE_MULTI1;
- break;
- default:
- value = STK6D2X_ALS_PD_REDUCE_MULTI1;
- break;
- }
- }
- if (data_type == STK6D2X_TYPE_ALS1 && pd_mode == STK6D2X_ALS0_AGC_PDMODE0)
- {
- switch (gain)
- {
- case STK6D2X_ALS_PD_REDUCE_DIS:
- value = STK6D2X_ALS_PD_REDUCE_MULTI2;
- break;
- case STK6D2X_ALS_PD_REDUCE_LV1:
- value = STK6D2X_ALS_PD_REDUCE_MULTI1;
- break;
- default:
- value = STK6D2X_ALS_PD_REDUCE_MULTI1;
- break;
- }
- }
- if (data_type == STK6D2X_TYPE_ALS1 && pd_mode == STK6D2X_ALS0_AGC_PDMODE1)
- {
- switch (gain)
- {
- case STK6D2X_ALS_PD_REDUCE_DIS:
- value = STK6D2X_ALS_PD_REDUCE_MULTI3;
- break;
- case STK6D2X_ALS_PD_REDUCE_LV1:
- value = STK6D2X_ALS_PD_REDUCE_MULTI2;
- break;
- case STK6D2X_ALS_PD_REDUCE_LV2:
- value = STK6D2X_ALS_PD_REDUCE_MULTI1;
- break;
- default:
- value = STK6D2X_ALS_PD_REDUCE_MULTI1;
- break;
- }
- }
- if (data_type == STK6D2X_TYPE_ALS2 && pd_mode == STK6D2X_ALS0_AGC_PDMODE0)
- {
- switch (gain)
- {
- case STK6D2X_ALS_PD_REDUCE_DIS:
- value = STK6D2X_ALS_PD_REDUCE_MULTI2;
- break;
- case STK6D2X_ALS_PD_REDUCE_LV1:
- value = STK6D2X_ALS_PD_REDUCE_MULTI1;
- break;
- default:
- value = STK6D2X_ALS_PD_REDUCE_MULTI1;
- break;
- }
- }
- if (data_type == STK6D2X_TYPE_ALS2 && pd_mode == STK6D2X_ALS0_AGC_PDMODE1)
- {
- switch (gain)
- {
- case STK6D2X_ALS_PD_REDUCE_DIS:
- value = STK6D2X_ALS_PD_REDUCE_MULTI1;
- break;
- default:
- value = STK6D2X_ALS_PD_REDUCE_MULTI1;
- break;
- }
- }
- return value;
- }
- int32_t stk6d2x_get_curGain(struct stk6d2x_data *alps_data)
- {
- int32_t ret = 0;
- uint8_t flag_value = 0;
- uint8_t reg_value = 0;
- uint8_t pd_mode = 0;
- ret = STK6D2X_REG_READ(alps_data, STK6D2X_REG_ALS_PD_REDUCE, &pd_mode);
- if (ret < 0)
- {
- return ret;
- }
- alps_data->als_info.als_cur_pd_mode = (pd_mode & STK6D2X_ALS0_AGC_PDMODE_MASK) >> STK6D2X_ALS0_AGC_PDMODE_SHIFT;
- // dgain
- ret = STK6D2X_REG_READ(alps_data, STK6D2X_REG_AGC1_DG, ®_value);
- if (ret < 0)
- {
- return ret;
- }
- flag_value = reg_value & (STK6D2X_FLG_ALS2_DG_MASK | STK6D2X_FLG_ALS1_DG_MASK | STK6D2X_FLG_ALS0_DG_MASK);
- alps_data->als_info.als_cur_dgain[2] = stk6d2x_cal_curDGain(reg_value & STK6D2X_ALS2_AGC_DG_MASK);
- ret = STK6D2X_REG_READ(alps_data, STK6D2X_REG_AGC2_DG, ®_value);
- if (ret < 0)
- {
- return ret;
- }
- alps_data->als_info.als_cur_dgain[0] = stk6d2x_cal_curDGain(reg_value & STK6D2X_ALS0_AGC_DG_MASK);
- alps_data->als_info.als_cur_dgain[1] = stk6d2x_cal_curDGain((reg_value & STK6D2X_ALS1_AGC_DG_MASK) >> 4);
- // again
- ret = STK6D2X_REG_READ(alps_data, STK6D2X_REG_AGC_AG, ®_value);
- if (ret < 0)
- {
- return ret;
- }
- alps_data->als_info.als_cur_again[0] = stk6d2x_als_get_again_multiple(reg_value & STK6D2X_ALS0_AGC_AG_MASK);
- alps_data->als_info.als_cur_again[1] = stk6d2x_als_get_again_multiple((reg_value & STK6D2X_ALS1_AGC_AG_MASK) >> 2);
- alps_data->als_info.als_cur_again[2] = stk6d2x_als_get_again_multiple((reg_value & STK6D2X_ALS2_AGC_AG_MASK) >> 4);
- // PD
- ret = STK6D2X_REG_READ(alps_data, STK6D2X_REG_AGC_PD, ®_value);
- if (ret < 0)
- {
- return ret;
- }
- alps_data->als_info.als_cur_pd_reduce[0] = stk6d2x_als_get_pd_multiple(reg_value & STK6D2X_ALS0_AGC_PD_MASK, \
- alps_data->als_info.als_cur_pd_mode, \
- STK6D2X_TYPE_ALS0);
- alps_data->als_info.als_cur_pd_reduce[1] = stk6d2x_als_get_pd_multiple((reg_value & STK6D2X_ALS1_AGC_PD_MASK) >> 2, \
- alps_data->als_info.als_cur_pd_mode, \
- STK6D2X_TYPE_ALS1);
- alps_data->als_info.als_cur_pd_reduce[2] = stk6d2x_als_get_pd_multiple((reg_value & STK6D2X_ALS2_AGC_PD_MASK) >> 4, \
- alps_data->als_info.als_cur_pd_mode, \
- STK6D2X_TYPE_ALS2);
- ALS_info("Current DG Gain = ALS0:%d, ALS1:%d, ALS2:%d, AG Gain multiple = ALS0:%d, ALS1:%d, ALS2:%d\n",
- alps_data->als_info.als_cur_dgain[0],
- alps_data->als_info.als_cur_dgain[1],
- alps_data->als_info.als_cur_dgain[2],
- alps_data->als_info.als_cur_again[0],
- alps_data->als_info.als_cur_again[1],
- alps_data->als_info.als_cur_again[2]);
- ALS_info("Current PD Reduce multiple = ALS0:%d, ALS1:%d, ALS2:%d\n",
- alps_data->als_info.als_cur_pd_reduce[0],
- alps_data->als_info.als_cur_pd_reduce[1],
- alps_data->als_info.als_cur_pd_reduce[2]);
- return 0;
- }
- void stk6d2x_get_als_ratio(struct stk6d2x_data *alps_data)
- {
- alps_data->als_info.als_cur_ratio[0] = ((STK6D2X_ALS_DGAIN_MULTI1024 * STK6D2X_ALS_AGAIN_MULTI4 * STK6D2X_ALS_PD_REDUCE_MULTI4) / \
- ((alps_data->als_info.als_cur_dgain[0]) * \
- (alps_data->als_info.als_cur_again[0]) * \
- (alps_data->als_info.als_cur_pd_reduce[0])));
- //ALS1
- if (alps_data->als_info.als_cur_pd_mode == STK6D2X_ALS0_AGC_PDMODE0)
- {
- alps_data->als_info.als_cur_ratio[1] = ((STK6D2X_ALS_DGAIN_MULTI1024 * STK6D2X_ALS_AGAIN_MULTI4 * STK6D2X_ALS_PD_REDUCE_MULTI2) / \
- ((alps_data->als_info.als_cur_dgain[1]) * \
- (alps_data->als_info.als_cur_again[1]) * \
- (alps_data->als_info.als_cur_pd_reduce[1])));
- }
- else if (alps_data->als_info.als_cur_pd_mode == STK6D2X_ALS0_AGC_PDMODE1)
- {
- alps_data->als_info.als_cur_ratio[1] = ((STK6D2X_ALS_DGAIN_MULTI1024 * STK6D2X_ALS_AGAIN_MULTI4 * STK6D2X_ALS_PD_REDUCE_MULTI3) / \
- ((alps_data->als_info.als_cur_dgain[1]) * \
- (alps_data->als_info.als_cur_again[1]) * \
- (alps_data->als_info.als_cur_pd_reduce[1])));
- }
- //ALS2
- if (alps_data->als_info.als_cur_pd_mode == STK6D2X_ALS0_AGC_PDMODE0)
- {
- alps_data->als_info.als_cur_ratio[2] = ((STK6D2X_ALS_DGAIN_MULTI1024 * STK6D2X_ALS_AGAIN_MULTI4 * STK6D2X_ALS_PD_REDUCE_MULTI2) / \
- ((alps_data->als_info.als_cur_dgain[2]) * \
- (alps_data->als_info.als_cur_again[2]) * \
- (alps_data->als_info.als_cur_pd_reduce[2])));
- }
- else if (alps_data->als_info.als_cur_pd_mode == STK6D2X_ALS0_AGC_PDMODE1)
- {
- alps_data->als_info.als_cur_ratio[2] = ((STK6D2X_ALS_DGAIN_MULTI1024 * STK6D2X_ALS_AGAIN_MULTI4 * STK6D2X_ALS_PD_REDUCE_MULTI1) / \
- ((alps_data->als_info.als_cur_dgain[2]) * \
- (alps_data->als_info.als_cur_again[2]) * \
- (alps_data->als_info.als_cur_pd_reduce[2])));
- }
- /*ALS_info("Current AGC ratio = ALS0:%d, ALS1:%d, ALS2:%d\n",
- alps_data->als_info.als_cur_ratio[0],
- alps_data->als_info.als_cur_ratio[1],
- alps_data->als_info.als_cur_ratio[2]);*/
- }
- #ifdef SEC_FFT_FLICKER_1024
- uint8_t stk6d2x_sec_dgain(uint8_t gain_val)
- {
- uint8_t ret_gain = 0;
- if (gain_val > STK6D2X_ALS_DGAIN64)
- {
- ret_gain = gain_val + 3;
- }
- else if (gain_val <= STK6D2X_ALS_DGAIN64)
- {
- ret_gain = gain_val * 2;
- }
- return ret_gain;
- }
- uint8_t stk6d2x_sec_again(uint8_t gain)
- {
- uint8_t value = 0;
- switch (gain)
- {
- case STK6D2X_ALS_CI_2_0:
- value = 2;
- break;
- case STK6D2X_ALS_CI_1_0:
- value = 1;
- break;
- case STK6D2X_ALS_CI_0_5:
- value = 0;
- break;
- default:
- break;
- }
- return value;
- }
- uint8_t stk6d2x_sec_pd_multiple(uint8_t gain, uint8_t pd_mode, uint8_t data_type)
- {
- uint8_t value = 0;
- if (data_type == STK6D2X_TYPE_ALS0 && (pd_mode == STK6D2X_ALS0_AGC_PDMODE0 || pd_mode == STK6D2X_ALS0_AGC_PDMODE1))
- {
- switch (gain)
- {
- case STK6D2X_ALS_PD_REDUCE_DIS:
- value = 2;
- break;
- case STK6D2X_ALS_PD_REDUCE_LV1:
- value = 1;
- break;
- case STK6D2X_ALS_PD_REDUCE_LV2:
- value = 0;
- break;
- default:
- value = 0;
- break;
- }
- }
- if (data_type == STK6D2X_TYPE_ALS1 && pd_mode == STK6D2X_ALS0_AGC_PDMODE0)
- {
- switch (gain)
- {
- case STK6D2X_ALS_PD_REDUCE_DIS:
- value = 1;
- break;
- case STK6D2X_ALS_PD_REDUCE_LV1:
- value = 0;
- break;
- default:
- value = 0;
- break;
- }
- }
- if (data_type == STK6D2X_TYPE_ALS1 && pd_mode == STK6D2X_ALS0_AGC_PDMODE1)
- {
- switch (gain)
- {
- case STK6D2X_ALS_PD_REDUCE_DIS:
- value = 2;
- break;
- case STK6D2X_ALS_PD_REDUCE_LV1:
- value = 1;
- break;
- case STK6D2X_ALS_PD_REDUCE_LV2:
- value = 0;
- break;
- default:
- value = 0;
- break;
- }
- }
- if (data_type == STK6D2X_TYPE_ALS2 && pd_mode == STK6D2X_ALS0_AGC_PDMODE0)
- {
- switch (gain)
- {
- case STK6D2X_ALS_PD_REDUCE_DIS:
- value = 1;
- break;
- case STK6D2X_ALS_PD_REDUCE_LV1:
- value = 0;
- break;
- default:
- value = 0;
- break;
- }
- }
- if (data_type == STK6D2X_TYPE_ALS2 && pd_mode == STK6D2X_ALS0_AGC_PDMODE1)
- {
- switch (gain)
- {
- case STK6D2X_ALS_PD_REDUCE_DIS:
- value = 0;
- break;
- default:
- value = 0;
- break;
- }
- }
- return value;
- }
- #endif
- #endif
- static int32_t stk6d2x_als_latency(stk6d2x_data *alps_data)
- {
- #ifdef STK_FIFO_ENABLE
- int32_t ret;
- uint8_t reg_value[2] = {0};
- uint8_t ext_it_reg = 0;
- uint32_t als_it_time = 0;
- if (!alps_data->is_long_it)
- {
- ret = STK6D2X_REG_BLOCK_READ(alps_data, STK6D2X_REG_IT1, sizeof(reg_value), reg_value);
- if (ret < 0)
- {
- ALS_err("fail, ret=%d\n", ret);
- }
- ret = STK6D2X_REG_READ(alps_data, STK6D2X_REG_ALS_IT_EXT, &ext_it_reg);
- if (ret < 0)
- {
- return ret;
- }
- als_it_time = ((((reg_value[0] & 0x3f) | reg_value[1]) + 1) * 26660 + ext_it_reg * 833 + 130828); //convert time 130.8281 us
- als_it_time *= STK_FIFO_I2C_READ_FRAME;
- als_it_time /= 1000000;
- alps_data->als_info.als_it = als_it_time * 12 / 10;
- }
- else
- #endif
- {
- alps_data->als_info.als_it = 50 * 12 / 10;
- }
- ALS_err("ALS IT = %d\n", alps_data->als_info.als_it);
- return 0;
- }
- static int32_t stk6d2x_set_als_thd(stk6d2x_data *alps_data, uint16_t thd_h, uint16_t thd_l)
- {
- unsigned char val[4];
- int ret = 0;
- val[0] = (thd_h & 0xFF00) >> 8;
- val[1] = thd_h & 0x00FF;
- val[2] = (thd_l & 0xFF00) >> 8;
- val[3] = thd_l & 0x00FF;
- ret = STK6D2X_REG_WRITE_BLOCK(alps_data, STK6D2X_REG_THDH1_ALS, val, sizeof(val));
- if (ret < 0)
- {
- ALS_err("fail, ret=%d\n", ret);
- }
- return ret;
- }
- int32_t stk6d2x_enable_als(stk6d2x_data *alps_data, bool en)
- {
- int32_t ret = 0;
- uint8_t reg_value = 0;
- if (alps_data->als_info.enable == en)
- {
- ALS_err("ALS already set\n");
- return ret;
- }
- ret = STK6D2X_REG_READ(alps_data, STK6D2X_REG_STATE, ®_value);
- if (ret < 0)
- {
- return ret;
- }
- reg_value &= (~(STK6D2X_STATE_EN_WAIT_MASK | STK6D2X_STATE_EN_ALS_MASK));
- if (en)
- {
- reg_value |= STK6D2X_STATE_EN_ALS_MASK;
- #ifdef STK_DATA_SUMMATION
- reg_value |= STK6D2X_STATE_EN_SUMMATION_MASK;
- #endif
- }
- else
- {
- #ifdef STK_ALS_CALI
- if (alps_data->als_info.cali_enable)
- {
- reg_value |= STK6D2X_STATE_EN_ALS_MASK;
- }
- #endif
- }
- ret = STK6D2X_REG_READ_MODIFY_WRITE(alps_data,
- STK6D2X_REG_STATE,
- reg_value,
- 0xFF);
- if (ret < 0)
- {
- return ret;
- }
- alps_data->als_info.enable = en;
- return ret;
- }
- #ifdef STK_DATA_SUMMATION
- static int32_t stk6d2x_als_get_data_summation(stk6d2x_data *alps_data, uint8_t agc_flag)
- {
- uint8_t raw_data[6];
- int err = 0;
- err = STK6D2X_REG_BLOCK_READ(alps_data, STK6D2X_REG_DATA1_ALS0_SUM, 6, &raw_data[0]);
- if (err < 0)
- {
- ALS_err("return err\n");
- return err;
- }
- if (!(agc_flag & 0x1))
- {
- alps_data->als_info.last_raw_data[0] = ((*(raw_data) << 8) | *(raw_data + 1));
- }
- if (!(agc_flag & 0x2))
- {
- alps_data->als_info.last_raw_data[1] = ((*(raw_data + 2) << 8) | *(raw_data + 3));
- }
- if (!(agc_flag & 0x4))
- {
- alps_data->als_info.last_raw_data[2] = ((*(raw_data + 4) << 8) | *(raw_data + 5));
- }
- return err;
- }
- static int32_t stk6d2x_als_get_summation_gain(stk6d2x_data *alps_data)
- {
- uint8_t raw_data[2];
- int err = 0, gain_div_value = 0;
- uint8_t sum_num = 0;
- err = STK6D2X_REG_READ(alps_data, STK6D2X_REG_ALS_SUM, &sum_num);
- if (err < 0)
- {
- return err;
- }
- while (gain_div_value < STK6D2X_ALS_SUM_GAIN_DIV256) {
- if ((1 << gain_div_value) >= (sum_num + 1))
- {
- ALS_err("set summation gain div = %d\n", (1 << gain_div_value));
- break;
- }
- gain_div_value ++;
- }
- err = STK6D2X_REG_READ_MODIFY_WRITE(alps_data,
- STK6D2X_REG_ALS_SUM_GAIN1,
- (gain_div_value << 4) | gain_div_value,
- 0xFF);
- if (err < 0)
- {
- return err;
- }
- err = STK6D2X_REG_READ_MODIFY_WRITE(alps_data,
- STK6D2X_REG_ALS_SUM_GAIN2,
- (gain_div_value << 4),
- 0xFF);
- if (err < 0)
- {
- return err;
- }
- err = STK6D2X_REG_BLOCK_READ(alps_data, STK6D2X_REG_ALS_SUM_GAIN1, 2, &raw_data[0]);
- if (err < 0)
- {
- ALS_err("return err\n");
- return err;
- }
- alps_data->als_info.als_sum_gain_div[0] = (raw_data[0] & 0xF0) >> 4;
- alps_data->als_info.als_sum_gain_div[1] = (raw_data[0] & 0x0F);
- alps_data->als_info.als_sum_gain_div[2] = (raw_data[0] & 0xF0) >> 4;
- return err;
- }
- #endif
- int32_t stk6d2x_als_get_data(stk6d2x_data *alps_data, bool is_skip)
- {
- uint8_t raw_data[6];
- int loop_count;
- int err = 0;
- err = STK6D2X_REG_BLOCK_READ(alps_data, STK6D2X_REG_DATA1_ALS0, 6, &raw_data[0]);
- if (err < 0)
- {
- ALS_err("return err\n");
- return err;
- }
- if (is_skip)
- return err;
- for (loop_count = 0; loop_count < 3; loop_count++)
- {
- *(alps_data->als_info.last_raw_data + loop_count ) = (*(raw_data + (2 * loop_count)) << 8 | *(raw_data + (2 * loop_count + 1) ));
- }
- return err;
- }
- void stk6d2x_get_data_polling(stk_timer_info *t_info)
- {
- stk6d2x_data *alps_data = (stk6d2x_data*)t_info->any;
- uint32_t als_data[3];
- int32_t ret = 0;
- uint8_t flag_value;
- #ifdef STK_FIFO_ENABLE
- uint8_t clk_status;
- #endif
- if (!alps_data->als_info.enable)
- {
- return;
- }
- if (!alps_data->is_long_it)
- {
- #ifdef STK_FIFO_ENABLE
- stk6d2x_get_fifo_data_polling(alps_data);
- // Check using external clk or not
- if (alps_data->is_long_it) {
- stk6d2x_fifo_switch_it(alps_data, 1);
- return;
- }
- if (alps_data->is_local_avg_update && alps_data->fifo_info.fft_buf_idx != 0)
- stk_sec_report(alps_data); //Stop reporting if it uses internal clk
- #ifdef STK_FIFO_DATA_SUMMATION
- alps_data->als_info.last_raw_data[0] = alps_data->fifo_info.fifo_sum_als0;
- alps_data->als_info.last_raw_data[1] = alps_data->fifo_info.fifo_sum_als1;
- alps_data->als_info.last_raw_data[2] = alps_data->fifo_info.fifo_sum_als2;
- alps_data->als_info.is_data_ready = true;
- #endif
- #ifdef STK_DATA_SUMMATION
- ret = STK6D2X_REG_READ(alps_data, STK6D2X_REG_DATA_AGC_SUM, &alps_data->als_info.als_agc_sum_flag);
- if (ret < 0)
- {
- return;
- }
- stk6d2x_als_get_data_summation(alps_data, alps_data->als_info.als_agc_sum_flag);
- stk6d2x_get_curGain(alps_data);
- stk6d2x_get_als_ratio(alps_data);
- if (!(alps_data->als_info.als_agc_sum_flag & 0x1))
- {
- 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]);
- }
- if (!(alps_data->als_info.als_agc_sum_flag & 0x2))
- {
- //ALS1
- 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]);
- }
- if (!(alps_data->als_info.als_agc_sum_flag & 0x4))
- {
- //ALS2
- 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]);
- }
- #endif
- #endif
- }
- else
- {
- #ifdef STK_FIFO_ENABLE
- ret = STK6D2X_REG_READ(alps_data, 0x50, &clk_status);
- if (ret < 0)
- {
- ALS_err("i2c failed\n");
- return;
- }
- if ((clk_status >> 4) & 0x1)
- {
- stk6d2x_fifo_switch_it(alps_data, 0);
- return;
- }
- #endif
- // ALPS timer without FIFO control
- if (alps_data->als_info.enable)
- {
- ret = STK6D2X_REG_READ(alps_data, STK6D2X_REG_FLAG, &flag_value);
- if (ret < 0)
- {
- ALS_err("i2c failed\n");
- return;
- }
- if (flag_value & STK6D2X_FLG_ALSDR_MASK)
- {
- stk6d2x_als_get_data(alps_data, 0);
- stk6d2x_get_curGain(alps_data);
- stk6d2x_get_als_ratio(alps_data);
- //ALS0
- alps_data->als_info.last_raw_data[0] = alps_data->als_info.last_raw_data[0] * alps_data->als_info.als_cur_ratio[0];
- //ALS1
- alps_data->als_info.last_raw_data[1] = alps_data->als_info.last_raw_data[1] * alps_data->als_info.als_cur_ratio[1];
- //ALS2
- alps_data->als_info.last_raw_data[2] = alps_data->als_info.last_raw_data[2] * alps_data->als_info.als_cur_ratio[2];
- alps_data->als_info.is_data_ready = true;
- }
- else
- {
- ALS_err("ALS data was not ready\n");
- }
- }
- }
- if (alps_data->als_info.is_data_ready)
- {
- alps_data->als_info.is_data_ready = false;
- // Last information
- als_data[0] = (alps_data->als_info.last_raw_data[0]) * alps_data->als_info.scale / 1000;
- als_data[1] = (alps_data->als_info.last_raw_data[1]) * alps_data->als_info.scale / 1000;
- als_data[2] = (alps_data->als_info.last_raw_data[2]) * alps_data->als_info.scale / 1000;
- ALS_info("multiple ratio ALS0 Data = %llu, ALS1 data = %llu, ALS2 data = %llu\n",
- alps_data->als_info.last_raw_data[0],
- alps_data->als_info.last_raw_data[1],
- alps_data->als_info.last_raw_data[2]);
- STK6D2X_ALS_REPORT(alps_data, als_data, 3);
- }
- }
- #ifdef STK_FIFO_ENABLE
- void stk6d2x_fifo_switch_it(struct stk6d2x_data *alps_data, bool is_long_it)
- {
- if (!alps_data->als_info.enable) {
- ALS_err("Sensor is not enable return\n");
- return;
- }
- if (is_long_it)
- {
- alps_data->is_long_it = true;
- STK6D2X_REG_WRITE(alps_data, STK6D2X_REG_IT1, (STK6D2X_ALS_IT50 >> 8) & STK6D2X_ALS_IT1_MASK);
- STK6D2X_REG_WRITE(alps_data, STK6D2X_REG_IT2, STK6D2X_ALS_IT50 & 0xFF);
- STK6D2X_REG_WRITE(alps_data, STK6D2X_REG_ALS_IT_EXT, 0x0);
- stk6d2x_enable_fifo(alps_data, false);
- //stk6d2x_fifo_stop_retry(alps_data);
- ALS_err("Switch to long IT\n");
- }
- else
- {
- alps_data->is_long_it = false;
- STK6D2X_REG_WRITE(alps_data, STK6D2X_REG_IT1, (STK_FLICKER_IT >> 8) & STK6D2X_ALS_IT1_MASK);
- STK6D2X_REG_WRITE(alps_data, STK6D2X_REG_IT2, STK_FLICKER_IT & 0xFF);
- STK6D2X_REG_WRITE(alps_data, STK6D2X_REG_ALS_IT_EXT, STK_FLICKER_EXT_IT);
- stk6d2x_enable_fifo(alps_data, true);
- //stk6d2x_alloc_fifo_data(alps_data, STK_FIFO_I2C_READ_FRAME_TARGET);
- ALS_err("Switch to short IT\n");
- }
- stk6d2x_fsm_restart(alps_data);
- stk6d2x_als_get_data(alps_data, 1);
- STK6D2X_TIMER_STOP(alps_data, &alps_data->alps_timer_info);
- stk6d2x_als_latency(alps_data);
- alps_data->alps_timer_info.interval_time = alps_data->als_info.als_it;
- alps_data->alps_timer_info.change_interval_time = true;
- STK6D2X_TIMER_REGISTER(alps_data, &alps_data->alps_timer_info);
- STK6D2X_TIMER_START(alps_data, &alps_data->alps_timer_info);
- }
- #endif
- /****************************************************************************************************
- * System Init. API
- ****************************************************************************************************/
- static void stk6d2x_init_para(struct stk6d2x_data *alps_data,
- struct stk6d2x_platform_data *plat_data)
- {
- memset(&alps_data->als_info, 0, sizeof(alps_data->als_info));
- alps_data->als_info.first_init = true;
- #ifdef STK_ALS_CALI
- if (alps_data->cali_info.cali_para.als_version != 0)
- {
- alps_data->als_info.scale = alps_data->cali_info.cali_para.als_scale;
- }
- else
- #endif
- {
- alps_data->als_info.scale = plat_data->als_scale;
- }
- alps_data->pdata = plat_data;
- alps_data->als_info.is_data_ready = false;
- #ifdef STK_FIFO_ENABLE
- alps_data->is_long_it = false;
- alps_data->index_last = 0;
- alps_data->is_first = true;
- alps_data->is_local_avg_update = false;
- alps_data->clear_local_average = 0;
- alps_data->uv_local_average = 0;
- alps_data->ir_local_average = 0;
- alps_data->is_clear_local_sat = false;
- alps_data->is_uv_local_sat = false;
- alps_data->is_ir_local_sat = false;
- #else
- alps_data->is_long_it = true;
- #endif
- #if IS_ENABLED(CONFIG_SENSORS_FLICKER_SELF_TEST)
- alps_data->eol_enabled = false;
- #endif
- }
- static int32_t stk6d2x_init_all_reg(struct stk6d2x_data *alps_data)
- {
- int32_t ret = 0;
- uint16_t reg_count = 0, reg_num = sizeof(stk6d2x_default_register_table) / sizeof(stk6d2x_register_table);
- for (reg_count = 0; reg_count < reg_num; reg_count++)
- {
- ret = STK6D2X_REG_READ_MODIFY_WRITE(alps_data,
- stk6d2x_default_register_table[reg_count].address,
- stk6d2x_default_register_table[reg_count].value,
- stk6d2x_default_register_table[reg_count].mask_bit);
- if (ret < 0)
- {
- ALS_err("write i2c error\n");
- return ret;
- }
- }
- return ret;
- }
- int32_t stk6d2x_init_all_setting(stk6d2x_data *alps_data)
- {
- int32_t ret;
- ret = stk6d2x_software_reset(alps_data);
- if (ret < 0)
- return ret;
- ret = stk6d2x_check_pid(alps_data);
- if (ret < 0)
- return ret;
- ret = stk6d2x_check_rid(alps_data);
- if (ret < 0)
- return ret;
- ret = stk6d2x_init_all_reg(alps_data);
- if (ret < 0)
- return ret;
- #ifdef STK_FIFO_ENABLE
- stk6d2x_fifo_init(alps_data);
- #endif
- alps_data->first_init = true;
- #if defined(CONFIG_AMS_ALS_COMPENSATION_FOR_AUTO_BRIGHTNESS)
- alps_data->als_flag = false;
- alps_data->flicker_flag = false;
- #endif
- stk6d2x_dump_reg(alps_data);
- return 0;
- }
- void stk6d2x_force_stop(stk6d2x_data *alps_data)
- {
- ALS_err("Stop ALPS timer\n");
- STK6D2X_TIMER_STOP(alps_data, &alps_data->alps_timer_info);
- ALS_err("FIFO disable\n");
- stk6d2x_enable_fifo(alps_data, false);
- stk_power_ctrl(alps_data, false);
- if (alps_data->als_info.enable == true)
- alps_data->als_info.enable = false;
- }
- int32_t stk6d2x_alps_set_config(stk6d2x_data *alps_data, bool en)
- {
- int32_t ret = 0;
- mutex_lock(&alps_data->config_lock);
- if (alps_data->first_init)
- {
- ret = stk6d2x_request_registry(alps_data);
- if (ret < 0)
- goto err;
- stk6d2x_init_para(alps_data, alps_data->pdata);
- alps_data->first_init = false;
- }
- if (alps_data->als_info.enable == en)
- {
- ALS_err("ALS status is same (%d)\n", en);
- goto err;
- }
- if (en == 1)
- stk6d2x_init_all_reg(alps_data);
- stk6d2x_pin_control(alps_data, en);
- if (en)
- {
- ALS_err("ALPS Timer SETTING\n");
- if (!alps_data->alps_timer_info.is_exist)
- {
- stk6d2x_als_latency(alps_data);
- ret = stk6d2x_register_timer(alps_data, STK6D2X_DATA_TIMER_ALPS);
- if (ret < 0)
- {
- ALS_err("register timer fail\n");
- mutex_unlock(&alps_data->config_lock);
- return ret;
- }
- }
- #if defined(CONFIG_AMS_ALS_COMPENSATION_FOR_AUTO_BRIGHTNESS)
- if (alps_data->flicker_flag)
- #endif
- {
- if (!alps_data->alps_timer_info.is_active)
- {
- ret = STK6D2X_TIMER_START(alps_data, &alps_data->alps_timer_info);
- if (ret < 0)
- {
- ALS_err(" start timer fail\n");
- mutex_unlock(&alps_data->config_lock);
- return ret;
- }
- }
- }
- }
- #ifdef STK_ALS_ENABLE
- ret = stk6d2x_enable_als(alps_data, en);
- if (ret < 0) {
- stk6d2x_force_stop(alps_data);
- goto err;
- }
- #endif
- if (!en && !alps_data->als_info.enable)
- {
- ALS_dbg("Stop ALPS timer\n");
- STK6D2X_TIMER_STOP(alps_data, &alps_data->alps_timer_info);
- }
- #ifdef STK_FIFO_ENABLE
- if (alps_data->als_info.enable == true)
- {
- ALS_dbg("FIFO enable\n");
- #ifdef STK_DATA_SUMMATION
- stk6d2x_als_get_summation_gain(alps_data);
- #endif
- stk6d2x_enable_fifo(alps_data, true);
- }
- else
- {
- ALS_dbg("FIFO disable\n");
- stk6d2x_enable_fifo(alps_data, false);
- }
- #endif
- // stk6d2x_dump_reg(alps_data);
- err:
- mutex_unlock(&alps_data->config_lock);
- return 0;
- }
- #if defined(CONFIG_AMS_ALS_COMPENSATION_FOR_AUTO_BRIGHTNESS)
- void stk_als_init(struct stk6d2x_data *alps_data)
- {
- STK6D2X_REG_WRITE(alps_data, STK6D2X_REG_IT1,
- (STK6D2X_ALS_IT40 >> 8) & STK6D2X_ALS_IT1_MASK);
- STK6D2X_REG_WRITE(alps_data, STK6D2X_REG_IT2, STK6D2X_ALS_IT40 & 0xFF);
- STK6D2X_REG_WRITE(alps_data, STK6D2X_REG_ALS_IT_EXT, 0x0);
- stk6d2x_enable_fifo(alps_data, false);
- stk6d2x_fsm_restart(alps_data);
- }
- void stk_als_start(struct stk6d2x_data *alps_data)
- {
- ALS_dbg("stk_als_start\n");
- if (!alps_data->flicker_flag) {
- stk6d2x_alps_set_config(alps_data, true);
- stk_als_init(alps_data);
- }
- }
- void stk_als_stop(struct stk6d2x_data *alps_data)
- {
- ALS_dbg("%s\n",__func__);
- if (!alps_data->flicker_flag)
- stk6d2x_alps_set_config(alps_data, false);
- }
- #endif /* CONFIG_AMS_ALS_COMPENSATION_FOR_AUTO_BRIGHTNESS */
|