/* drivers/hwmon/mt6516/amit/APDS9930.c - APDS9930 ALS/PS driver * * Author: MingHsien Hsieh * * This software is licensed under the terms of the GNU General Public * License version 2, as published by the Free Software Foundation, and * may be copied, distributed, and modified under those terms. * * 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. * */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define POWER_NONE_MACRO MT65XX_POWER_NONE #include #include #include #include #include #include #include "APDS9930.h" #include /****************************************************************************** * configuration *******************************************************************************/ /*----------------------------------------------------------------------------*/ #define APDS9930_DEV_NAME "APDS9930" /*----------------------------------------------------------------------------*/ #define APS_TAG "[ALS/PS] " #define APS_FUN(f) printk(KERN_INFO APS_TAG"%s\n", __func__) #define APS_ERR(fmt, args...) printk(KERN_ERR APS_TAG"%s %d : "fmt, __func__, __LINE__, ##args) #define APS_LOG(fmt, args...) printk(KERN_ERR APS_TAG fmt, ##args) #define APS_DBG(fmt, args...) printk(KERN_INFO APS_TAG fmt, ##args) #define I2C_FLAG_WRITE 0 #define I2C_FLAG_READ 1 /****************************************************************************** * extern functions *******************************************************************************/ extern void mt_eint_mask(unsigned int eint_num); extern void mt_eint_unmask(unsigned int eint_num); extern void mt_eint_set_hw_debounce(unsigned int eint_num, unsigned int ms); extern void mt_eint_set_polarity(unsigned int eint_num, unsigned int pol); extern unsigned int mt_eint_set_sens(unsigned int eint_num, unsigned int sens); extern void mt_eint_registration(unsigned int eint_num, unsigned int flow, void (EINT_FUNC_PTR)(void), unsigned int is_auto_umask); extern void mt_eint_print_status(void); /*----------------------------------------------------------------------------*/ static struct i2c_client *APDS9930_i2c_client = NULL; /*----------------------------------------------------------------------------*/ static const struct i2c_device_id APDS9930_i2c_id[] = {{APDS9930_DEV_NAME,0},{}}; static struct i2c_board_info __initdata i2c_APDS9930={ I2C_BOARD_INFO("APDS9930", 0x39)}; /*----------------------------------------------------------------------------*/ static int APDS9930_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id); static int APDS9930_i2c_remove(struct i2c_client *client); static int APDS9930_i2c_detect(struct i2c_client *client, struct i2c_board_info *info); /*----------------------------------------------------------------------------*/ static int APDS9930_i2c_suspend(struct i2c_client *client, pm_message_t msg); static int APDS9930_i2c_resume(struct i2c_client *client); static DEFINE_MUTEX(APDS9930_mutex); static struct APDS9930_priv *g_APDS9930_ptr = NULL; struct PS_CALI_DATA_STRUCT { int close; int far_away; int valid; } ; static struct PS_CALI_DATA_STRUCT ps_cali={0,0,0}; static int intr_flag_value = 0; static unsigned long long int_top_time = 0; /*----------------------------------------------------------------------------*/ typedef enum { CMC_BIT_ALS = 1, CMC_BIT_PS = 2, } CMC_BIT; /*----------------------------------------------------------------------------*/ struct APDS9930_i2c_addr { /*define a series of i2c slave address*/ u8 write_addr; u8 ps_thd; /*PS INT threshold*/ }; /*----------------------------------------------------------------------------*/ struct APDS9930_priv { struct alsps_hw *hw; struct i2c_client *client; struct work_struct eint_work; /*i2c address group*/ struct APDS9930_i2c_addr addr; /*misc*/ u16 als_modulus; atomic_t i2c_retry; atomic_t als_suspend; atomic_t als_debounce; /*debounce time after enabling als*/ atomic_t als_deb_on; /*indicates if the debounce is on*/ atomic_t als_deb_end; /*the jiffies representing the end of debounce*/ atomic_t ps_mask; /*mask ps: always return far away*/ atomic_t ps_debounce; /*debounce time after enabling ps*/ atomic_t ps_deb_on; /*indicates if the debounce is on*/ atomic_t ps_deb_end; /*the jiffies representing the end of debounce*/ atomic_t ps_suspend; /*data*/ u16 als; u16 ps; u8 _align; u16 als_level_num; u16 als_value_num; u32 als_level[C_CUST_ALS_LEVEL-1]; u32 als_value[C_CUST_ALS_LEVEL]; int ps_cali; atomic_t als_cmd_val; /*the cmd value can't be read, stored in ram*/ atomic_t ps_cmd_val; /*the cmd value can't be read, stored in ram*/ atomic_t ps_thd_val_high; /*the cmd value can't be read, stored in ram*/ atomic_t ps_thd_val_low; /*the cmd value can't be read, stored in ram*/ ulong enable; /*enable mask*/ ulong pending_intr; /*pending interrupt*/ /*early suspend*/ #if defined(CONFIG_HAS_EARLYSUSPEND) struct early_suspend early_drv; #endif }; /*----------------------------------------------------------------------------*/ static struct i2c_driver APDS9930_i2c_driver = { .probe = APDS9930_i2c_probe, .remove = APDS9930_i2c_remove, .detect = APDS9930_i2c_detect, .suspend = APDS9930_i2c_suspend, .resume = APDS9930_i2c_resume, .id_table = APDS9930_i2c_id, .driver = { .name = APDS9930_DEV_NAME, }, }; static struct APDS9930_priv *APDS9930_obj = NULL; static struct platform_driver APDS9930_alsps_driver; /*------------------------i2c function for 89-------------------------------------*/ int APDS9930_i2c_master_operate(struct i2c_client *client, const char *buf, int count, int i2c_flag) { int res = 0; mutex_lock(&APDS9930_mutex); switch(i2c_flag){ case I2C_FLAG_WRITE: client->addr &=I2C_MASK_FLAG; res = i2c_master_send(client, buf, count); client->addr &=I2C_MASK_FLAG; break; case I2C_FLAG_READ: client->addr &=I2C_MASK_FLAG; client->addr |=I2C_WR_FLAG; client->addr |=I2C_RS_FLAG; res = i2c_master_send(client, buf, count); client->addr &=I2C_MASK_FLAG; break; default: APS_LOG("APDS9930_i2c_master_operate i2c_flag command not support!\n"); break; } if(res <= 0) { goto EXIT_ERR; } mutex_unlock(&APDS9930_mutex); return res; EXIT_ERR: mutex_unlock(&APDS9930_mutex); APS_ERR("APDS9930_i2c_transfer fail\n"); return res; } /*----------------------------------------------------------------------------*/ int APDS9930_get_addr(struct alsps_hw *hw, struct APDS9930_i2c_addr *addr) { if(!hw || !addr) { return -EFAULT; } addr->write_addr= hw->i2c_addr[0]; return 0; } /*----------------------------------------------------------------------------*/ static void APDS9930_power(struct alsps_hw *hw, unsigned int on) { static unsigned int power_on = 0; //APS_LOG("power %s\n", on ? "on" : "off"); if(hw->power_id != POWER_NONE_MACRO) { if(power_on == on) { APS_LOG("ignore power control: %d\n", on); } else if(on) { if(!hwPowerOn(hw->power_id, hw->power_vol, "APDS9930")) { APS_ERR("power on fails!!\n"); } } else { if(!hwPowerDown(hw->power_id, "APDS9930")) { APS_ERR("power off fail!!\n"); } } } power_on = on; } /*----------------------------------------------------------------------------*/ static long APDS9930_enable_als(struct i2c_client *client, int enable) { struct APDS9930_priv *obj = i2c_get_clientdata(client); u8 databuf[2]; long res = 0; databuf[0]= APDS9930_CMM_ENABLE; res = APDS9930_i2c_master_operate(client, databuf, 0x101, I2C_FLAG_READ); if(res <= 0) { goto EXIT_ERR; } //APS_LOG("APDS9930_CMM_ENABLE als value = %x\n",databuf[0]); if(enable) { databuf[1] = databuf[0]|0x03; databuf[0] = APDS9930_CMM_ENABLE; //APS_LOG("APDS9930_CMM_ENABLE enable als value = %x\n",databuf[1]); res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } atomic_set(&obj->als_deb_on, 1); atomic_set(&obj->als_deb_end, jiffies+atomic_read(&obj->als_debounce)/(1000/HZ)); } else { if(test_bit(CMC_BIT_PS, &obj->enable)) databuf[1] = databuf[0]&0xFD; else databuf[1] = databuf[0]&0xF8; databuf[0] = APDS9930_CMM_ENABLE; //APS_LOG("APDS9930_CMM_ENABLE disable als value = %x\n",databuf[1]); res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } } return 0; EXIT_ERR: APS_ERR("APDS9930_enable_als fail\n"); return res; } /*----------------------------------------------------------------------------*/ static long APDS9930_enable_ps(struct i2c_client *client, int enable) { struct APDS9930_priv *obj = i2c_get_clientdata(client); u8 databuf[2]; long res = 0; databuf[0]= APDS9930_CMM_ENABLE; res = APDS9930_i2c_master_operate(client, databuf, 0x101, I2C_FLAG_READ); if(res <= 0) { goto EXIT_ERR; } //APS_LOG("APDS9930_CMM_ENABLE ps value = %x\n",databuf[0]); if(enable) { databuf[1] = databuf[0]|0x05; databuf[0] = APDS9930_CMM_ENABLE; //APS_LOG("APDS9930_CMM_ENABLE enable ps value = %x\n",databuf[1]); res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } atomic_set(&obj->ps_deb_on, 1); atomic_set(&obj->ps_deb_end, jiffies+atomic_read(&obj->ps_debounce)/(1000/HZ)); } else{ if(test_bit(CMC_BIT_ALS, &obj->enable)) databuf[1] = databuf[0]&0xFB; else databuf[1] = databuf[0]&0xF8; databuf[0] = APDS9930_CMM_ENABLE; //APS_LOG("APDS9930_CMM_ENABLE disable ps value = %x\n",databuf[1]); res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } /*fix bug*/ databuf[0] = APDS9930_CMM_INT_LOW_THD_LOW; databuf[1] = (u8)((atomic_read(&obj->ps_thd_val_low)) & 0x00FF); res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } databuf[0] = APDS9930_CMM_INT_LOW_THD_HIGH; databuf[1] = (u8)(((atomic_read(&obj->ps_thd_val_low)) & 0xFF00) >> 8); res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } databuf[0] = APDS9930_CMM_INT_HIGH_THD_LOW; databuf[1] = (u8)((atomic_read(&obj->ps_thd_val_high)) & 0x00FF); res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } databuf[0] = APDS9930_CMM_INT_HIGH_THD_HIGH; databuf[1] = (u8)(((atomic_read(&obj->ps_thd_val_high)) & 0xFF00) >> 8);; res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } /*fix bug*/ } return 0; EXIT_ERR: APS_ERR("APDS9930_enable_ps fail\n"); return res; } /*----------------------------------------------------------------------------*/ /*for interrup work mode support -- by liaoxl.lenovo 12.08.2011*/ static int APDS9930_check_and_clear_intr(struct i2c_client *client) { int res,intp,intl; u8 buffer[2]; if (mt_get_gpio_in(GPIO_ALS_EINT_PIN) == 1) /*skip if no interrupt*/ return 0; buffer[0] = APDS9930_CMM_STATUS; res = APDS9930_i2c_master_operate(client, buffer, 0x101, I2C_FLAG_READ); if(res <= 0) { goto EXIT_ERR; } res = 0; intp = 0; intl = 0; if(0 != (buffer[0] & 0x20)) { res = 1; intp = 1; } if(0 != (buffer[0] & 0x10)) { res = 1; intl = 1; } if(1 == res) { if((1 == intp) && (0 == intl)) { buffer[0] = (TAOS_TRITON_CMD_REG|TAOS_TRITON_CMD_SPL_FN|0x05); } else if((0 == intp) && (1 == intl)) { buffer[0] = (TAOS_TRITON_CMD_REG|TAOS_TRITON_CMD_SPL_FN|0x06); } else { buffer[0] = (TAOS_TRITON_CMD_REG|TAOS_TRITON_CMD_SPL_FN|0x07); } res = APDS9930_i2c_master_operate(client, buffer, 0x1, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } else { res = 0; } } return res; EXIT_ERR: APS_ERR("APDS9930_check_and_clear_intr fail\n"); return 1; } /*----------------------------------------------------------------------------*/ /*yucong add for interrupt mode support MTK inc 2012.3.7*/ static int APDS9930_check_intr(struct i2c_client *client) { int res,intp,intl; u8 buffer[2]; if (mt_get_gpio_in(GPIO_ALS_EINT_PIN) == 1) /*skip if no interrupt*/ return 0; buffer[0] = APDS9930_CMM_STATUS; res = APDS9930_i2c_master_operate(client, buffer, 0x101, I2C_FLAG_READ); if(res <= 0) { goto EXIT_ERR; } res = 0; intp = 0; intl = 0; if(0 != (buffer[0] & 0x20)) { res = 0; intp = 1; } if(0 != (buffer[0] & 0x10)) { res = 0; intl = 1; } return res; EXIT_ERR: APS_ERR("APDS9930_check_intr fail\n"); return 1; } static int APDS9930_clear_intr(struct i2c_client *client) { int res; u8 buffer[2]; buffer[0] = (TAOS_TRITON_CMD_REG|TAOS_TRITON_CMD_SPL_FN|0x07); res = APDS9930_i2c_master_operate(client, buffer, 0x1, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } else { res = 0; } return res; EXIT_ERR: APS_ERR("APDS9930_check_and_clear_intr fail\n"); return 1; } /*-----------------------------------------------------------------------------*/ void APDS9930_eint_func(void) { struct APDS9930_priv *obj = g_APDS9930_ptr; if(!obj) { return; } int_top_time = sched_clock(); schedule_work(&obj->eint_work); } /*----------------------------------------------------------------------------*/ /*for interrup work mode support -- by liaoxl.lenovo 12.08.2011*/ int APDS9930_setup_eint(struct i2c_client *client) { struct APDS9930_priv *obj = i2c_get_clientdata(client); g_APDS9930_ptr = obj; mt_set_gpio_dir(GPIO_ALS_EINT_PIN, GPIO_DIR_IN); mt_set_gpio_mode(GPIO_ALS_EINT_PIN, GPIO_ALS_EINT_PIN_M_EINT); mt_set_gpio_pull_enable(GPIO_ALS_EINT_PIN, TRUE); mt_set_gpio_pull_select(GPIO_ALS_EINT_PIN, GPIO_PULL_UP); mt_eint_set_hw_debounce(CUST_EINT_ALS_NUM, CUST_EINT_ALS_DEBOUNCE_CN); mt_eint_registration(CUST_EINT_ALS_NUM, CUST_EINT_ALS_TYPE, APDS9930_eint_func, 0); mt_eint_unmask(CUST_EINT_ALS_NUM); return 0; } /*----------------------------------------------------------------------------*/ static int APDS9930_init_client(struct i2c_client *client) { struct APDS9930_priv *obj = i2c_get_clientdata(client); u8 databuf[2]; int res = 0; databuf[0] = (TAOS_TRITON_CMD_REG|TAOS_TRITON_CMD_SPL_FN|0x00); res = APDS9930_i2c_master_operate(client, databuf, 0x1, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } databuf[0] = APDS9930_CMM_ENABLE; if(obj->hw->polling_mode_ps == 1) databuf[1] = 0x08; if(obj->hw->polling_mode_ps == 0) databuf[1] = 0x28; res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } databuf[0] = APDS9930_CMM_ATIME; databuf[1] = 0xF6; res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } databuf[0] = APDS9930_CMM_PTIME; databuf[1] = 0xFF; res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } databuf[0] = APDS9930_CMM_WTIME; databuf[1] = 0xFC; res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } /*for interrup work mode support -- by liaoxl.lenovo 12.08.2011*/ if(0 == obj->hw->polling_mode_ps) { if(1 == ps_cali.valid) { databuf[0] = APDS9930_CMM_INT_LOW_THD_LOW; databuf[1] = (u8)(ps_cali.far_away & 0x00FF); res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } databuf[0] = APDS9930_CMM_INT_LOW_THD_HIGH; databuf[1] = (u8)((ps_cali.far_away & 0xFF00) >> 8); res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } databuf[0] = APDS9930_CMM_INT_HIGH_THD_LOW; databuf[1] = (u8)(ps_cali.close & 0x00FF); res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } databuf[0] = APDS9930_CMM_INT_HIGH_THD_HIGH; databuf[1] = (u8)((ps_cali.close & 0xFF00) >> 8);; res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } } else { databuf[0] = APDS9930_CMM_INT_LOW_THD_LOW; databuf[1] = (u8)((atomic_read(&obj->ps_thd_val_low)) & 0x00FF); res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } databuf[0] = APDS9930_CMM_INT_LOW_THD_HIGH; databuf[1] = (u8)(((atomic_read(&obj->ps_thd_val_low)) & 0xFF00) >> 8); res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } databuf[0] = APDS9930_CMM_INT_HIGH_THD_LOW; databuf[1] = (u8)((atomic_read(&obj->ps_thd_val_high)) & 0x00FF); res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } databuf[0] = APDS9930_CMM_INT_HIGH_THD_HIGH; databuf[1] = (u8)(((atomic_read(&obj->ps_thd_val_high)) & 0xFF00) >> 8);; res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } } databuf[0] = APDS9930_CMM_Persistence; databuf[1] = 0x20; res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } } databuf[0] = APDS9930_CMM_CONFIG; databuf[1] = 0x00; res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } /*Lenovo-sw chenlj2 add 2011-06-03,modified pulse 2 to 4 */ databuf[0] = APDS9930_CMM_PPCOUNT; databuf[1] = APDS9930_CMM_PPCOUNT_VALUE; res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } /*Lenovo-sw chenlj2 add 2011-06-03,modified gain 16 to 1 */ databuf[0] = APDS9930_CMM_CONTROL; databuf[1] = APDS9930_CMM_CONTROL_VALUE; res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } /*for interrup work mode support -- by liaoxl.lenovo 12.08.2011*/ if((res = APDS9930_setup_eint(client))!=0) { APS_ERR("setup eint: %d\n", res); return res; } if((res = APDS9930_check_and_clear_intr(client))) { APS_ERR("check/clear intr: %d\n", res); return res; } return APDS9930_SUCCESS; EXIT_ERR: APS_ERR("init dev: %d\n", res); return res; } /****************************************************************************** * Function Configuration ******************************************************************************/ int APDS9930_read_als(struct i2c_client *client, u16 *data) { struct APDS9930_priv *obj = i2c_get_clientdata(client); u16 c0_value, c1_value; u32 c0_nf, c1_nf; u8 buffer[2]; u16 atio; int res = 0; if(client == NULL) { APS_DBG("CLIENT CANN'T EQUL NULL\n"); return -1; } buffer[0]=APDS9930_CMM_C0DATA_L; res = APDS9930_i2c_master_operate(client, buffer, 0x201, I2C_FLAG_READ); if(res <= 0) { goto EXIT_ERR; } c0_value = buffer[0] | (buffer[1]<<8); c0_nf = obj->als_modulus*c0_value; //APS_LOG("c0_value=%d, c0_nf=%d, als_modulus=%d\n", c0_value, c0_nf, obj->als_modulus); buffer[0]=APDS9930_CMM_C1DATA_L; res = APDS9930_i2c_master_operate(client, buffer, 0x201, I2C_FLAG_READ); if(res <= 0) { goto EXIT_ERR; } c1_value = buffer[0] | (buffer[1]<<8); c1_nf = obj->als_modulus*c1_value; //APS_LOG("c1_value=%d, c1_nf=%d, als_modulus=%d\n", c1_value, c1_nf, obj->als_modulus); if((c0_value > c1_value) &&(c0_value < 50000)) { /*Lenovo-sw chenlj2 add 2011-06-03,add {*/ atio = (c1_nf*100)/c0_nf; //APS_LOG("atio = %d\n", atio); if(atio<30) { *data = (13*c0_nf - 24*c1_nf)/10000; } else if(atio>= 30 && atio<38) /*Lenovo-sw chenlj2 add 2011-06-03,modify > to >=*/ { *data = (16*c0_nf - 35*c1_nf)/10000; } else if(atio>= 38 && atio<45) /*Lenovo-sw chenlj2 add 2011-06-03,modify > to >=*/ { *data = (9*c0_nf - 17*c1_nf)/10000; } else if(atio>= 45 && atio<54) /*Lenovo-sw chenlj2 add 2011-06-03,modify > to >=*/ { *data = (6*c0_nf - 10*c1_nf)/10000; } else *data = 0; /*Lenovo-sw chenlj2 add 2011-06-03,add }*/ } else if (c0_value > 50000) { *data = 65535; } else if(c0_value == 0) { *data = 0; } else { APS_DBG("APDS9930_read_als als_value is invalid!!\n"); return -1; } //APS_LOG("APDS9930_read_als als_value_lux = %d\n", *data); return 0; EXIT_ERR: APS_ERR("APDS9930_read_ps fail\n"); return res; } int APDS9930_read_als_ch0(struct i2c_client *client, u16 *data) { //struct APDS9930_priv *obj = i2c_get_clientdata(client); u16 c0_value; u8 buffer[2]; int res = 0; if(client == NULL) { APS_DBG("CLIENT CANN'T EQUL NULL\n"); return -1; } //get adc channel 0 value buffer[0]=APDS9930_CMM_C0DATA_L; res = APDS9930_i2c_master_operate(client, buffer, 0x201, I2C_FLAG_READ); if(res <= 0) { goto EXIT_ERR; } c0_value = buffer[0] | (buffer[1]<<8); *data = c0_value; //APS_LOG("c0_value=%d\n", c0_value); return 0; EXIT_ERR: APS_ERR("APDS9930_read_ps fail\n"); return res; } /*----------------------------------------------------------------------------*/ static int APDS9930_get_als_value(struct APDS9930_priv *obj, u16 als) { int idx; int invalid = 0; for(idx = 0; idx < obj->als_level_num; idx++) { if(als < obj->hw->als_level[idx]) { break; } } if(idx >= obj->als_value_num) { APS_ERR("APDS9930_get_als_value exceed range\n"); idx = obj->als_value_num - 1; } if(1 == atomic_read(&obj->als_deb_on)) { unsigned long endt = atomic_read(&obj->als_deb_end); if(time_after(jiffies, endt)) { atomic_set(&obj->als_deb_on, 0); } if(1 == atomic_read(&obj->als_deb_on)) { invalid = 1; } } if(!invalid) { #if defined(CONFIG_MTK_AAL_SUPPORT) int level_high = obj->hw->als_level[idx]; int level_low = (idx > 0) ? obj->hw->als_level[idx-1] : 0; int level_diff = level_high - level_low; int value_high = obj->hw->als_value[idx]; int value_low = (idx > 0) ? obj->hw->als_value[idx-1] : 0; int value_diff = value_high - value_low; int value = 0; if ((level_low >= level_high) || (value_low >= value_high)) value = value_low; else value = (level_diff * value_low + (als - level_low) * value_diff + ((level_diff + 1) >> 1)) / level_diff; APS_DBG("ALS: %d [%d, %d] => %d [%d, %d] \n", als, level_low, level_high, value, value_low, value_high); return value; #endif //APS_ERR("ALS: %05d => %05d\n", als, obj->hw->als_value[idx]); return obj->hw->als_value[idx]; } else { //APS_ERR("ALS: %05d => %05d (-1)\n", als, obj->hw->als_value[idx]); return -1; } } /*----------------------------------------------------------------------------*/ long APDS9930_read_ps(struct i2c_client *client, u16 *data) { struct APDS9930_priv *obj = i2c_get_clientdata(client); u8 buffer[2]; u16 temp_data; long res = 0; if(client == NULL) { APS_DBG("CLIENT CANN'T EQUL NULL\n"); return -1; } buffer[0]=APDS9930_CMM_PDATA_L; res = APDS9930_i2c_master_operate(client, buffer, 0x201, I2C_FLAG_READ); if(res <= 0) { goto EXIT_ERR; } temp_data = buffer[0] | (buffer[1]<<8); //APS_LOG("yucong APDS9930_read_ps ps_data=%d, low:%d high:%d", *data, buffer[0], buffer[1]); if(temp_data < obj->ps_cali) *data = 0; else *data = temp_data - obj->ps_cali; return 0; return 0; EXIT_ERR: APS_ERR("APDS9930_read_ps fail\n"); return res; } /*----------------------------------------------------------------------------*/ static int APDS9930_get_ps_value(struct APDS9930_priv *obj, u16 ps) { int val;// mask = atomic_read(&obj->ps_mask); int invalid = 0; static int val_temp=1; if(ps_cali.valid == 1) { if((ps >ps_cali.close)) { val = 0; /*close*/ val_temp = 0; intr_flag_value = 1; } else if((ps < ps_cali.far_away)) { val = 1; /*far away*/ val_temp = 1; intr_flag_value = 0; } else val = val_temp; APS_LOG("APDS9930_get_ps_value val = %d",val); } else { if((ps > atomic_read(&obj->ps_thd_val_high))) { val = 0; /*close*/ val_temp = 0; intr_flag_value = 1; } else if((ps < atomic_read(&obj->ps_thd_val_low))) { val = 1; /*far away*/ val_temp = 1; intr_flag_value = 0; } else val = val_temp; } if(atomic_read(&obj->ps_suspend)) { invalid = 1; } else if(1 == atomic_read(&obj->ps_deb_on)) { unsigned long endt = atomic_read(&obj->ps_deb_end); if(time_after(jiffies, endt)) { atomic_set(&obj->ps_deb_on, 0); } if (1 == atomic_read(&obj->ps_deb_on)) { invalid = 1; } } else if (obj->als > 45000) { //invalid = 1; APS_DBG("ligh too high will result to failt proximiy\n"); return 1; /*far away*/ } if(!invalid) { //APS_DBG("PS: %05d => %05d\n", ps, val); return val; } else { return -1; } } /*----------------------------------------------------------------------------*/ /*for interrup work mode support -- by liaoxl.lenovo 12.08.2011*/ //#define DEBUG_APDS9930 static void APDS9930_eint_work(struct work_struct *work) { struct APDS9930_priv *obj = (struct APDS9930_priv *)container_of(work, struct APDS9930_priv, eint_work); int err; hwm_sensor_data sensor_data; u8 databuf[3]; int res = 0; if((err = APDS9930_check_intr(obj->client))) { APS_ERR("APDS9930_eint_work check intrs: %d\n", err); } else { //get raw data APDS9930_read_ps(obj->client, &obj->ps); APDS9930_read_als_ch0(obj->client, &obj->als); APS_LOG("APDS9930_eint_work rawdata ps=%d als_ch0=%d!\n",obj->ps,obj->als); APS_LOG("APDS9930 int top half time = %lld\n", int_top_time); if(obj->als > 40000) { APS_LOG("APDS9930_eint_work ALS too large may under lighting als_ch0=%d!\n",obj->als); return; } sensor_data.values[0] = APDS9930_get_ps_value(obj, obj->ps); sensor_data.value_divide = 1; sensor_data.status = SENSOR_STATUS_ACCURACY_MEDIUM; #ifdef DEBUG_APDS9930 databuf[0]= APDS9930_CMM_ENABLE; res = APDS9930_i2c_master_operate(obj->client, databuf, 0x101, I2C_FLAG_READ); if(res <= 0) { goto EXIT_ERR; } APS_LOG("APDS9930_eint_work APDS9930_CMM_ENABLE ps value = %x\n",databuf[0]); databuf[0] = APDS9930_CMM_INT_LOW_THD_LOW; res = APDS9930_i2c_master_operate(obj->client, databuf, 0x201, I2C_FLAG_READ); if(res <= 0) { goto EXIT_ERR; } APS_LOG("APDS9930_eint_work APDS9930_CMM_INT_LOW_THD_LOW before databuf[0]=%d databuf[1]=%d!\n",databuf[0],databuf[1]); databuf[0] = APDS9930_CMM_INT_HIGH_THD_LOW; res = APDS9930_i2c_master_operate(obj->client, databuf, 0x201, I2C_FLAG_READ); if(res <= 0) { goto EXIT_ERR; } APS_LOG("APDS9930_eint_work APDS9930_CMM_INT_HIGH_THD_LOW before databuf[0]=%d databuf[1]=%d!\n",databuf[0],databuf[1]); #endif /*singal interrupt function add*/ if(intr_flag_value){ databuf[0] = APDS9930_CMM_INT_LOW_THD_LOW; databuf[1] = (u8)((atomic_read(&obj->ps_thd_val_low)) & 0x00FF); res = APDS9930_i2c_master_operate(obj->client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } databuf[0] = APDS9930_CMM_INT_LOW_THD_HIGH; databuf[1] = (u8)(((atomic_read(&obj->ps_thd_val_low)) & 0xFF00) >> 8); res = APDS9930_i2c_master_operate(obj->client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } databuf[0] = APDS9930_CMM_INT_HIGH_THD_LOW; databuf[1] = (u8)(0x00FF); res = APDS9930_i2c_master_operate(obj->client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } databuf[0] = APDS9930_CMM_INT_HIGH_THD_HIGH; databuf[1] = (u8)((0xFF00) >> 8); res = APDS9930_i2c_master_operate(obj->client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } } else{ databuf[0] = APDS9930_CMM_INT_LOW_THD_LOW; databuf[1] = (u8)(0 & 0x00FF); res = APDS9930_i2c_master_operate(obj->client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } databuf[0] = APDS9930_CMM_INT_LOW_THD_HIGH; databuf[1] = (u8)((0 & 0xFF00) >> 8); res = APDS9930_i2c_master_operate(obj->client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } databuf[0] = APDS9930_CMM_INT_HIGH_THD_LOW; databuf[1] = (u8)((atomic_read(&obj->ps_thd_val_high)) & 0x00FF); res = APDS9930_i2c_master_operate(obj->client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { goto EXIT_ERR; } databuf[0] = APDS9930_CMM_INT_HIGH_THD_HIGH; databuf[1] = (u8)(((atomic_read(&obj->ps_thd_val_high)) & 0xFF00) >> 8); res = APDS9930_i2c_master_operate(obj->client, databuf, 0x2, I2C_FLAG_WRITE); res = i2c_master_send(obj->client, databuf, 0x2); if(res <= 0) { goto EXIT_ERR; } } //let up layer to know #ifdef DEBUG_APDS9930 databuf[0] = APDS9930_CMM_INT_LOW_THD_LOW; res = APDS9930_i2c_master_operate(obj->client, databuf, 0x201, I2C_FLAG_READ); if(res <= 0) { goto EXIT_ERR; } APS_LOG("APDS9930_eint_work APDS9930_CMM_INT_LOW_THD_LOW after databuf[0]=%d databuf[1]=%d!\n",databuf[0],databuf[1]); databuf[0] = APDS9930_CMM_INT_HIGH_THD_LOW; res = APDS9930_i2c_master_operate(obj->client, databuf, 0x201, I2C_FLAG_READ); if(res <= 0) { goto EXIT_ERR; } APS_LOG("APDS9930_eint_work APDS9930_CMM_INT_HIGH_THD_LOW after databuf[0]=%d databuf[1]=%d!\n",databuf[0],databuf[1]); #endif if((err = hwmsen_get_interrupt_data(ID_PROXIMITY, &sensor_data))) { APS_ERR("call hwmsen_get_interrupt_data fail = %d\n", err); } } APDS9930_clear_intr(obj->client); mt_eint_unmask(CUST_EINT_ALS_NUM); return; EXIT_ERR: APDS9930_clear_intr(obj->client); mt_eint_unmask(CUST_EINT_ALS_NUM); APS_ERR("i2c_transfer error = %d\n", res); return; } /****************************************************************************** * Function Configuration ******************************************************************************/ static int APDS9930_open(struct inode *inode, struct file *file) { file->private_data = APDS9930_i2c_client; if (!file->private_data) { APS_ERR("null pointer!!\n"); return -EINVAL; } return nonseekable_open(inode, file); } /*----------------------------------------------------------------------------*/ static int APDS9930_release(struct inode *inode, struct file *file) { file->private_data = NULL; return 0; } /*----------------------------------------------------------------------------*/ static int set_psensor_threshold(struct i2c_client *client) { struct APDS9930_priv *obj = i2c_get_clientdata(client); u8 databuf[3]; int res = 0; APS_ERR("set_psensor_threshold function high: 0x%x, low:0x%x\n",atomic_read(&obj->ps_thd_val_high),atomic_read(&obj->ps_thd_val_low)); databuf[0] = APDS9930_CMM_INT_LOW_THD_LOW; databuf[1] = (u8)(atomic_read(&obj->ps_thd_val_low) & 0x00FF); res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { return -1; } databuf[0] = APDS9930_CMM_INT_LOW_THD_HIGH; databuf[1] = (u8)((atomic_read(&obj->ps_thd_val_low) & 0xFF00) >> 8); res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { return -1; } databuf[0] = APDS9930_CMM_INT_HIGH_THD_LOW; databuf[1] = (u8)(atomic_read(&obj->ps_thd_val_high) & 0x00FF); res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { return -1; } databuf[0] = APDS9930_CMM_INT_HIGH_THD_HIGH; databuf[1] = (u8)((atomic_read(&obj->ps_thd_val_high) & 0xFF00) >> 8);; res = APDS9930_i2c_master_operate(client, databuf, 0x2, I2C_FLAG_WRITE); if(res <= 0) { return -1; } return 0; } /*----------------------------------------------------------------------------*/ static long APDS9930_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct i2c_client *client = (struct i2c_client*)file->private_data; struct APDS9930_priv *obj = i2c_get_clientdata(client); long err = 0; void __user *ptr = (void __user*) arg; int dat; uint32_t enable; int ps_result; int ps_cali; int threshold[2]; switch (cmd) { case ALSPS_SET_PS_MODE: if(copy_from_user(&enable, ptr, sizeof(enable))) { err = -EFAULT; goto err_out; } if(enable) { if((err = APDS9930_enable_ps(obj->client, 1))) { APS_ERR("enable ps fail: %ld\n", err); goto err_out; } set_bit(CMC_BIT_PS, &obj->enable); } else { if((err = APDS9930_enable_ps(obj->client, 0))) { APS_ERR("disable ps fail: %ld\n", err); goto err_out; } clear_bit(CMC_BIT_PS, &obj->enable); } break; case ALSPS_GET_PS_MODE: enable = test_bit(CMC_BIT_PS, &obj->enable) ? (1) : (0); if(copy_to_user(ptr, &enable, sizeof(enable))) { err = -EFAULT; goto err_out; } break; case ALSPS_GET_PS_DATA: if((err = APDS9930_read_ps(obj->client, &obj->ps))) { goto err_out; } dat = APDS9930_get_ps_value(obj, obj->ps); if(copy_to_user(ptr, &dat, sizeof(dat))) { err = -EFAULT; goto err_out; } break; case ALSPS_GET_PS_RAW_DATA: if((err = APDS9930_read_ps(obj->client, &obj->ps))) { goto err_out; } dat = obj->ps; if(copy_to_user(ptr, &dat, sizeof(dat))) { err = -EFAULT; goto err_out; } break; case ALSPS_SET_ALS_MODE: if(copy_from_user(&enable, ptr, sizeof(enable))) { err = -EFAULT; goto err_out; } if(enable) { if((err = APDS9930_enable_als(obj->client, 1))) { APS_ERR("enable als fail: %ld\n", err); goto err_out; } set_bit(CMC_BIT_ALS, &obj->enable); } else { if((err = APDS9930_enable_als(obj->client, 0))) { APS_ERR("disable als fail: %ld\n", err); goto err_out; } clear_bit(CMC_BIT_ALS, &obj->enable); } break; case ALSPS_GET_ALS_MODE: enable = test_bit(CMC_BIT_ALS, &obj->enable) ? (1) : (0); if(copy_to_user(ptr, &enable, sizeof(enable))) { err = -EFAULT; goto err_out; } break; case ALSPS_GET_ALS_DATA: if((err = APDS9930_read_als(obj->client, &obj->als))) { goto err_out; } dat = APDS9930_get_als_value(obj, obj->als); if(copy_to_user(ptr, &dat, sizeof(dat))) { err = -EFAULT; goto err_out; } break; case ALSPS_GET_ALS_RAW_DATA: if((err = APDS9930_read_als(obj->client, &obj->als))) { goto err_out; } dat = obj->als; if(copy_to_user(ptr, &dat, sizeof(dat))) { err = -EFAULT; goto err_out; } break; /*----------------------------------for factory mode test---------------------------------------*/ case ALSPS_GET_PS_TEST_RESULT: if((err = APDS9930_read_ps(obj->client, &obj->ps))) { goto err_out; } if(obj->ps > atomic_read(&obj->ps_thd_val_high)) { ps_result = 0; } else ps_result = 1; if(copy_to_user(ptr, &ps_result, sizeof(ps_result))) { err = -EFAULT; goto err_out; } break; case ALSPS_IOCTL_CLR_CALI: if(copy_from_user(&dat, ptr, sizeof(dat))) { err = -EFAULT; goto err_out; } if(dat == 0) obj->ps_cali = 0; break; case ALSPS_IOCTL_GET_CALI: ps_cali = obj->ps_cali ; if(copy_to_user(ptr, &ps_cali, sizeof(ps_cali))) { err = -EFAULT; goto err_out; } break; case ALSPS_IOCTL_SET_CALI: if(copy_from_user(&ps_cali, ptr, sizeof(ps_cali))) { err = -EFAULT; goto err_out; } obj->ps_cali = ps_cali; break; case ALSPS_SET_PS_THRESHOLD: if(copy_from_user(threshold, ptr, sizeof(threshold))) { err = -EFAULT; goto err_out; } APS_ERR("%s set threshold high: 0x%x, low: 0x%x\n", __func__, threshold[0],threshold[1]); atomic_set(&obj->ps_thd_val_high, (threshold[0]+obj->ps_cali)); atomic_set(&obj->ps_thd_val_low, (threshold[1]+obj->ps_cali));//need to confirm set_psensor_threshold(obj->client); break; case ALSPS_GET_PS_THRESHOLD_HIGH: threshold[0] = atomic_read(&obj->ps_thd_val_high) - obj->ps_cali; APS_ERR("%s get threshold high: 0x%x\n", __func__, threshold[0]); if(copy_to_user(ptr, &threshold[0], sizeof(threshold[0]))) { err = -EFAULT; goto err_out; } break; case ALSPS_GET_PS_THRESHOLD_LOW: threshold[0] = atomic_read(&obj->ps_thd_val_low) - obj->ps_cali; APS_ERR("%s get threshold low: 0x%x\n", __func__, threshold[0]); if(copy_to_user(ptr, &threshold[0], sizeof(threshold[0]))) { err = -EFAULT; goto err_out; } break; /*------------------------------------------------------------------------------------------*/ default: APS_ERR("%s not supported = 0x%04x", __func__, cmd); err = -ENOIOCTLCMD; break; } err_out: return err; } /*----------------------------------------------------------------------------*/ static struct file_operations APDS9930_fops = { .owner = THIS_MODULE, .open = APDS9930_open, .release = APDS9930_release, .unlocked_ioctl = APDS9930_unlocked_ioctl, }; /*----------------------------------------------------------------------------*/ static struct miscdevice APDS9930_device = { .minor = MISC_DYNAMIC_MINOR, .name = "als_ps", .fops = &APDS9930_fops, }; /*----------------------------------------------------------------------------*/ static int APDS9930_i2c_suspend(struct i2c_client *client, pm_message_t msg) { // struct APDS9930_priv *obj = i2c_get_clientdata(client); // int err; APS_FUN(); #if 0 if(msg.event == PM_EVENT_SUSPEND) { if(!obj) { APS_ERR("null pointer!!\n"); return -EINVAL; } atomic_set(&obj->als_suspend, 1); if(err = APDS9930_enable_als(client, 0)) { APS_ERR("disable als: %d\n", err); return err; } atomic_set(&obj->ps_suspend, 1); if(err = APDS9930_enable_ps(client, 0)) { APS_ERR("disable ps: %d\n", err); return err; } APDS9930_power(obj->hw, 0); } #endif return 0; } /*----------------------------------------------------------------------------*/ static int APDS9930_i2c_resume(struct i2c_client *client) { // struct APDS9930_priv *obj = i2c_get_clientdata(client); // int err; APS_FUN(); #if 0 if(!obj) { APS_ERR("null pointer!!\n"); return -EINVAL; } APDS9930_power(obj->hw, 1); if(err = APDS9930_init_client(client)) { APS_ERR("initialize client fail!!\n"); return err; } atomic_set(&obj->als_suspend, 0); if(test_bit(CMC_BIT_ALS, &obj->enable)) { if(err = APDS9930_enable_als(client, 1)) { APS_ERR("enable als fail: %d\n", err); } } atomic_set(&obj->ps_suspend, 0); if(test_bit(CMC_BIT_PS, &obj->enable)) { if(err = APDS9930_enable_ps(client, 1)) { APS_ERR("enable ps fail: %d\n", err); } } #endif return 0; } /*----------------------------------------------------------------------------*/ static void APDS9930_early_suspend(struct early_suspend *h) { /*early_suspend is only applied for ALS*/ struct APDS9930_priv *obj = container_of(h, struct APDS9930_priv, early_drv); int err; APS_FUN(); if(!obj) { APS_ERR("null pointer!!\n"); return; } #if 1 atomic_set(&obj->als_suspend, 1); if(test_bit(CMC_BIT_ALS, &obj->enable)) { if((err = APDS9930_enable_als(obj->client, 0))) { APS_ERR("disable als fail: %d\n", err); } } #endif } /*----------------------------------------------------------------------------*/ static void APDS9930_late_resume(struct early_suspend *h) { /*early_suspend is only applied for ALS*/ struct APDS9930_priv *obj = container_of(h, struct APDS9930_priv, early_drv); int err; APS_FUN(); if(!obj) { APS_ERR("null pointer!!\n"); return; } #if 1 atomic_set(&obj->als_suspend, 0); if(test_bit(CMC_BIT_ALS, &obj->enable)) { if((err = APDS9930_enable_als(obj->client, 1))) { APS_ERR("enable als fail: %d\n", err); } } #endif } /*----------------------------------------------------------------------------*/ static int temp_als = 0; static int ALS_FLAG = 0; int APDS9930_ps_operate(void* self, uint32_t command, void* buff_in, int size_in, void* buff_out, int size_out, int* actualout) { int value; int err = 0; hwm_sensor_data* sensor_data; struct APDS9930_priv *obj = (struct APDS9930_priv *)self; //APS_FUN(f); switch (command) { case SENSOR_DELAY: if((buff_in == NULL) || (size_in < sizeof(int))) { APS_ERR("Set delay parameter error!\n"); err = -EINVAL; } // Do nothing break; case SENSOR_ENABLE: if((buff_in == NULL) || (size_in < sizeof(int))) { APS_ERR("Enable sensor parameter error!\n"); err = -EINVAL; } else { value = *(int *)buff_in; if(value) { if((err = APDS9930_enable_ps(obj->client, 1))) { APS_ERR("enable ps fail: %d\n", err); return -1; } set_bit(CMC_BIT_PS, &obj->enable); #if 1 if(!test_bit(CMC_BIT_ALS, &obj->enable)) { ALS_FLAG = 1; if((err = APDS9930_enable_als(obj->client, 1))) { APS_ERR("enable als fail: %d\n", err); return -1; } } #endif } else { if((err = APDS9930_enable_ps(obj->client, 0))) { APS_ERR("disable ps fail: %d\n", err); return -1; } clear_bit(CMC_BIT_PS, &obj->enable); #if 1 if(ALS_FLAG == 1) { if((err = APDS9930_enable_als(obj->client, 0))) { APS_ERR("disable als fail: %d\n", err); return -1; } ALS_FLAG = 0; } #endif } } break; case SENSOR_GET_DATA: if((buff_out == NULL) || (size_out< sizeof(hwm_sensor_data))) { APS_ERR("get sensor data parameter error!\n"); err = -EINVAL; } else { sensor_data = (hwm_sensor_data *)buff_out; APDS9930_read_ps(obj->client, &obj->ps); APDS9930_read_als_ch0(obj->client, &obj->als); APS_ERR("APDS9930_ps_operate als data=%d!\n",obj->als); sensor_data->values[0] = APDS9930_get_ps_value(obj, obj->ps); sensor_data->value_divide = 1; sensor_data->status = SENSOR_STATUS_ACCURACY_MEDIUM; } break; default: APS_ERR("proxmy sensor operate function no this parameter %d!\n", command); err = -1; break; } return err; } int APDS9930_als_operate(void* self, uint32_t command, void* buff_in, int size_in, void* buff_out, int size_out, int* actualout) { int err = 0; int value; hwm_sensor_data* sensor_data; struct APDS9930_priv *obj = (struct APDS9930_priv *)self; switch (command) { case SENSOR_DELAY: if((buff_in == NULL) || (size_in < sizeof(int))) { APS_ERR("Set delay parameter error!\n"); err = -EINVAL; } // Do nothing break; case SENSOR_ENABLE: if((buff_in == NULL) || (size_in < sizeof(int))) { APS_ERR("Enable sensor parameter error!\n"); err = -EINVAL; } else { value = *(int *)buff_in; if(value) { if((err = APDS9930_enable_als(obj->client, 1))) { APS_ERR("enable als fail: %d\n", err); return -1; } set_bit(CMC_BIT_ALS, &obj->enable); } else { if((err = APDS9930_enable_als(obj->client, 0))) { APS_ERR("disable als fail: %d\n", err); return -1; } clear_bit(CMC_BIT_ALS, &obj->enable); } } break; case SENSOR_GET_DATA: if((buff_out == NULL) || (size_out< sizeof(hwm_sensor_data))) { APS_ERR("get sensor data parameter error!\n"); err = -EINVAL; } else { sensor_data = (hwm_sensor_data *)buff_out; /*yucong MTK add for fixing known issue*/ APDS9930_read_als(obj->client, &obj->als); if(obj->als == 0) { sensor_data->values[0] = temp_als; }else{ u16 b[2]; int i; for(i = 0;i < 2;i++){ APDS9930_read_als(obj->client, &obj->als); b[i] = obj->als; } (b[1] > b[0])?(obj->als = b[0]):(obj->als = b[1]); sensor_data->values[0] = APDS9930_get_als_value(obj, obj->als); temp_als = sensor_data->values[0]; } sensor_data->value_divide = 1; sensor_data->status = SENSOR_STATUS_ACCURACY_MEDIUM; } break; default: APS_ERR("light sensor operate function no this parameter %d!\n", command); err = -1; break; } return err; } /*----------------------------------------------------------------------------*/ static int APDS9930_i2c_detect(struct i2c_client *client, struct i2c_board_info *info) { strcpy(info->type, APDS9930_DEV_NAME); return 0; } /*----------------------------------------------------------------------------*/ static int APDS9930_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct APDS9930_priv *obj; struct hwmsen_object obj_ps, obj_als; int err = 0; if(!(obj = kzalloc(sizeof(*obj), GFP_KERNEL))) { err = -ENOMEM; goto exit; } memset(obj, 0, sizeof(*obj)); APDS9930_obj = obj; obj->hw = get_cust_alsps_hw(); APDS9930_get_addr(obj->hw, &obj->addr); /*for interrup work mode support -- by liaoxl.lenovo 12.08.2011*/ INIT_WORK(&obj->eint_work, APDS9930_eint_work); obj->client = client; i2c_set_clientdata(client, obj); atomic_set(&obj->als_debounce, 50); atomic_set(&obj->als_deb_on, 0); atomic_set(&obj->als_deb_end, 0); atomic_set(&obj->ps_debounce, 10); atomic_set(&obj->ps_deb_on, 0); atomic_set(&obj->ps_deb_end, 0); atomic_set(&obj->ps_mask, 0); atomic_set(&obj->als_suspend, 0); atomic_set(&obj->als_cmd_val, 0xDF); atomic_set(&obj->ps_cmd_val, 0xC1); atomic_set(&obj->ps_thd_val_high, obj->hw->ps_threshold_high); atomic_set(&obj->ps_thd_val_low, obj->hw->ps_threshold_low); obj->enable = 0; obj->pending_intr = 0; obj->als_level_num = sizeof(obj->hw->als_level)/sizeof(obj->hw->als_level[0]); obj->als_value_num = sizeof(obj->hw->als_value)/sizeof(obj->hw->als_value[0]); /*Lenovo-sw chenlj2 add 2011-06-03,modified gain 16 to 1/5 accoring to actual thing */ obj->als_modulus = (400*100*ZOOM_TIME)/(1*150);//(1/Gain)*(400/Tine), this value is fix after init ATIME and CONTROL register value //(400)/16*2.72 here is amplify *100 //16 BUG_ON(sizeof(obj->als_level) != sizeof(obj->hw->als_level)); memcpy(obj->als_level, obj->hw->als_level, sizeof(obj->als_level)); BUG_ON(sizeof(obj->als_value) != sizeof(obj->hw->als_value)); memcpy(obj->als_value, obj->hw->als_value, sizeof(obj->als_value)); atomic_set(&obj->i2c_retry, 3); set_bit(CMC_BIT_ALS, &obj->enable); set_bit(CMC_BIT_PS, &obj->enable); obj->ps_cali = 0; APDS9930_i2c_client = client; if(1 == obj->hw->polling_mode_ps) //if (1) { obj_ps.polling = 1; } else { obj_ps.polling = 0; } if((err = APDS9930_init_client(client))) { goto exit_init_failed; } APS_LOG("APDS9930_init_client() OK!\n"); if((err = misc_register(&APDS9930_device))) { APS_ERR("APDS9930_device register failed\n"); goto exit_misc_device_register_failed; } /* if(err = APDS9930_create_attr(&APDS9930_alsps_driver.driver)) { APS_ERR("create attribute err = %d\n", err); goto exit_create_attr_failed; } */ obj_ps.self = APDS9930_obj; obj_ps.sensor_operate = APDS9930_ps_operate; if((err = hwmsen_attach(ID_PROXIMITY, &obj_ps))) { APS_ERR("attach fail = %d\n", err); goto exit_create_attr_failed; } obj_als.self = APDS9930_obj; obj_als.polling = 1; obj_als.sensor_operate = APDS9930_als_operate; if((err = hwmsen_attach(ID_LIGHT, &obj_als))) { APS_ERR("attach fail = %d\n", err); goto exit_create_attr_failed; } #if defined(CONFIG_HAS_EARLYSUSPEND) obj->early_drv.level = EARLY_SUSPEND_LEVEL_DISABLE_FB - 1, obj->early_drv.suspend = APDS9930_early_suspend, obj->early_drv.resume = APDS9930_late_resume, register_early_suspend(&obj->early_drv); #endif APS_LOG("%s: OK\n", __func__); return 0; exit_create_attr_failed: misc_deregister(&APDS9930_device); exit_misc_device_register_failed: exit_init_failed: //i2c_detach_client(client); //exit_kfree: kfree(obj); exit: APDS9930_i2c_client = NULL; // MT6516_EINTIRQMask(CUST_EINT_ALS_NUM); /*mask interrupt if fail*/ APS_ERR("%s: err = %d\n", __func__, err); return err; } /*----------------------------------------------------------------------------*/ static int APDS9930_i2c_remove(struct i2c_client *client) { int err; /* if(err = APDS9930_delete_attr(&APDS9930_i2c_driver.driver)) { APS_ERR("APDS9930_delete_attr fail: %d\n", err); } */ if((err = misc_deregister(&APDS9930_device))) { APS_ERR("misc_deregister fail: %d\n", err); } APDS9930_i2c_client = NULL; i2c_unregister_device(client); kfree(i2c_get_clientdata(client)); return 0; } /*----------------------------------------------------------------------------*/ static int APDS9930_probe(struct platform_device *pdev) { struct alsps_hw *hw = get_cust_alsps_hw(); APDS9930_power(hw, 1); //APDS9930_force[0] = hw->i2c_num; //APDS9930_force[1] = hw->i2c_addr[0]; //APS_DBG("I2C = %d, addr =0x%x\n",APDS9930_force[0],APDS9930_force[1]); if(i2c_add_driver(&APDS9930_i2c_driver)) { APS_ERR("add driver error\n"); return -1; } return 0; } /*----------------------------------------------------------------------------*/ static int APDS9930_remove(struct platform_device *pdev) { struct alsps_hw *hw = get_cust_alsps_hw(); APS_FUN(); APDS9930_power(hw, 0); i2c_del_driver(&APDS9930_i2c_driver); return 0; } /*----------------------------------------------------------------------------*/ #if 0 static struct platform_driver APDS9930_alsps_driver = { .probe = APDS9930_probe, .remove = APDS9930_remove, .driver = { .name = "als_ps", // .owner = THIS_MODULE, } }; #endif #ifdef CONFIG_OF static const struct of_device_id alsps_of_match[] = { { .compatible = "mediatek,als_ps", }, {}, }; #endif static struct platform_driver APDS9930_alsps_driver = { .probe = APDS9930_probe, .remove = APDS9930_remove, .driver = { .name = "als_ps", #ifdef CONFIG_OF .of_match_table = alsps_of_match, #endif } }; /*----------------------------------------------------------------------------*/ static int __init APDS9930_init(void) { //APS_FUN(); struct alsps_hw *hw = get_cust_alsps_hw(); APS_LOG("%s: i2c_number=%d\n", __func__,hw->i2c_num); i2c_register_board_info(hw->i2c_num, &i2c_APDS9930, 1); if(platform_driver_register(&APDS9930_alsps_driver)) { APS_ERR("failed to register driver"); return -ENODEV; } return 0; } /*----------------------------------------------------------------------------*/ static void __exit APDS9930_exit(void) { APS_FUN(); platform_driver_unregister(&APDS9930_alsps_driver); } /*----------------------------------------------------------------------------*/ module_init(APDS9930_init); module_exit(APDS9930_exit); /*----------------------------------------------------------------------------*/ MODULE_AUTHOR("Dexiang Liu"); MODULE_DESCRIPTION("APDS9930 driver"); MODULE_LICENSE("GPL");