/* * Author: yucong xiong * * 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 "cm36652.h" #include #include #include #include #include #include #include #ifdef CUSTOM_KERNEL_SENSORHUB #include #endif /****************************************************************************** * configuration *******************************************************************************/ /*----------------------------------------------------------------------------*/ #define CM36652_DEV_NAME "cm36652" /*----------------------------------------------------------------------------*/ #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_NOTICE APS_TAG fmt, ##args) #define APS_DBG(fmt, args...) printk(KERN_ERR APS_TAG fmt, ##args) #define I2C_FLAG_WRITE 0 #define I2C_FLAG_READ 1 /****************************************************************************** * extern functions *******************************************************************************/ #ifdef CUST_EINT_ALS_TYPE 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); #else extern void mt65xx_eint_mask(unsigned int line); extern void mt65xx_eint_unmask(unsigned int line); extern void mt65xx_eint_set_hw_debounce(unsigned int eint_num, unsigned int ms); extern void mt65xx_eint_set_polarity(unsigned int eint_num, unsigned int pol); extern unsigned int mt65xx_eint_set_sens(unsigned int eint_num, unsigned int sens); extern void mt65xx_eint_registration(unsigned int eint_num, unsigned int is_deb_en, unsigned int pol, void (EINT_FUNC_PTR)(void), unsigned int is_auto_umask); #endif /*----------------------------------------------------------------------------*/ static int cm36652_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id); static int cm36652_i2c_remove(struct i2c_client *client); static int cm36652_i2c_detect(struct i2c_client *client, struct i2c_board_info *info); static int cm36652_i2c_suspend(struct i2c_client *client, pm_message_t msg); static int cm36652_i2c_resume(struct i2c_client *client); /*----------------------------------------------------------------------------*/ static const struct i2c_device_id cm36652_i2c_id[] = {{CM36652_DEV_NAME,0},{}}; //static struct i2c_board_info __initdata i2c_cm36652={ I2C_BOARD_INFO(CM36652_DEV_NAME, 0x60)}; static unsigned long long int_top_time = 0; /* Maintain alsps cust info here */ struct alsps_hw alsps_cust; static struct alsps_hw *hw = &alsps_cust; /* For alsp driver get cust info */ struct alsps_hw *get_cust_alsps(void) { return &alsps_cust; } /*----------------------------------------------------------------------------*/ struct cm36652_priv { struct alsps_hw *hw; struct i2c_client *client; struct work_struct eint_work; #ifdef CUSTOM_KERNEL_SENSORHUB struct work_struct init_done_work; #endif /*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; atomic_t trace; atomic_t init_done; struct device_node *irq_node; int irq; /*data*/ u16 als; u8 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*/ atomic_t als_thd_val_high; /*the cmd value can't be read, stored in ram*/ atomic_t als_thd_val_low; /*the cmd value can't be read, stored in ram*/ atomic_t ps_thd_val; 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 cm36652_i2c_driver = { .probe = cm36652_i2c_probe, .remove = cm36652_i2c_remove, .detect = cm36652_i2c_detect, .suspend = cm36652_i2c_suspend, .resume = cm36652_i2c_resume, .id_table = cm36652_i2c_id, .driver = { .name = CM36652_DEV_NAME, }, }; /*----------------------------------------------------------------------------*/ struct PS_CALI_DATA_STRUCT { int close; int far_away; int valid; }; /*----------------------------------------------------------------------------*/ /*----------------------------------------------------------------------------*/ static struct i2c_client *cm36652_i2c_client = NULL; static struct cm36652_priv *cm36652_obj = NULL; //static struct PS_CALI_DATA_STRUCT ps_cali={0,0,0}; static int intr_flag = 1; //hw default away after enable. static int cm36652_local_init(void); static int cm36652_remove(void); static int cm36652_init_flag =-1; // 0<==>OK -1 <==> fail static struct alsps_init_info cm36652_init_info = { .name = "cm36652", .init = cm36652_local_init, .uninit = cm36652_remove, }; /*----------------------------------------------------------------------------*/ static DEFINE_MUTEX(cm36652_mutex); /*----------------------------------------------------------------------------*/ typedef enum { CMC_BIT_ALS = 1, CMC_BIT_PS = 2, }CMC_BIT; /*-----------------------------CMC for debugging-------------------------------*/ typedef enum { CMC_TRC_ALS_DATA= 0x0001, CMC_TRC_PS_DATA = 0x0002, CMC_TRC_EINT = 0x0004, CMC_TRC_IOCTL = 0x0008, CMC_TRC_I2C = 0x0010, CMC_TRC_CVT_ALS = 0x0020, CMC_TRC_CVT_PS = 0x0040, CMC_TRC_DEBUG = 0x8000, } CMC_TRC; /*-----------------------------------------------------------------------------*/ int CM36652_i2c_master_operate(struct i2c_client *client, const char *buf, int count, int i2c_flag) { int res = 0; mutex_lock(&cm36652_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("CM36652_i2c_master_operate i2c_flag command not support!\n"); break; } if(res < 0) { goto EXIT_ERR; } mutex_unlock(&cm36652_mutex); return res; EXIT_ERR: mutex_unlock(&cm36652_mutex); APS_ERR("CM36652_i2c_master_operate fail\n"); return res; } /*----------------------------------------------------------------------------*/ static void cm36652_power(struct alsps_hw *hw, unsigned int on) { #ifdef __USE_LINUX_REGULATOR_FRAMEWORK__ #else 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, "CM36652")) { APS_ERR("power on fails!!\n"); } } else { if(!hwPowerDown(hw->power_id, "CM36652")) { APS_ERR("power off fail!!\n"); } } } power_on = on; #endif } /********************************************************************/ int cm36652_enable_ps(struct i2c_client *client, int enable) { struct cm36652_priv *obj = i2c_get_clientdata(client); int res; u8 databuf[3]; if(enable == 1){ APS_LOG("cm36652_enable_ps enable_ps\n"); databuf[0]= CM36652_REG_PS_CONF1_2; res = CM36652_i2c_master_operate(client, databuf, 0x201, I2C_FLAG_READ); if(res < 0) { APS_ERR("i2c_master_send function err\n"); goto ENABLE_PS_EXIT_ERR; } APS_LOG("CM36652_REG_PS_CONF1_2 value value_low = %x, value_high = %x\n",databuf[0],databuf[1]); databuf[2] = databuf[1]; databuf[1] = databuf[0]&0xFE; databuf[0]= CM36652_REG_PS_CONF1_2; res = CM36652_i2c_master_operate(client, databuf, 0x3, I2C_FLAG_WRITE); if(res < 0) { APS_ERR("i2c_master_send function err\n"); goto ENABLE_PS_EXIT_ERR; } atomic_set(&obj->ps_deb_on, 1); atomic_set(&obj->ps_deb_end, jiffies+atomic_read(&obj->ps_debounce)/(1000/HZ)); intr_flag = 1; //reset hw status to away after enable. }else{ APS_LOG("cm36652_enable_ps disable_ps\n"); databuf[0]= CM36652_REG_PS_CONF1_2; res = CM36652_i2c_master_operate(client, databuf, 0x201, I2C_FLAG_READ); if(res < 0) { APS_ERR("i2c_master_send function err\n"); goto ENABLE_PS_EXIT_ERR; } APS_LOG("CM36652_REG_PS_CONF1_2 value value_low = %x, value_high = %x\n",databuf[0],databuf[1]); databuf[2] = databuf[1]; databuf[1] = databuf[0]|0x01; databuf[0]= CM36652_REG_PS_CONF1_2; res = CM36652_i2c_master_operate(client, databuf, 0x3, I2C_FLAG_WRITE); if(res < 0) { APS_ERR("i2c_master_send function err\n"); goto ENABLE_PS_EXIT_ERR; } atomic_set(&obj->ps_deb_on, 0); } return 0; ENABLE_PS_EXIT_ERR: return res; } /********************************************************************/ int cm36652_enable_als(struct i2c_client *client, int enable) { struct cm36652_priv *obj = i2c_get_clientdata(client); int res; u8 databuf[3]; if(enable == 1) { APS_LOG("cm36652_enable_als enable_als\n"); databuf[0] = CM36652_REG_CS_CONF; res = CM36652_i2c_master_operate(client, databuf, 0x201, I2C_FLAG_READ); if(res < 0) { APS_ERR("i2c_master_send function err\n"); goto ENABLE_ALS_EXIT_ERR; } APS_LOG("CM36652_REG_CS_CONF value value_low = %x, value_high = %x\n",databuf[0],databuf[1]); databuf[2] = databuf[1]; databuf[1] = databuf[0]&0xFE; databuf[0] = CM36652_REG_CS_CONF; res = CM36652_i2c_master_operate(client, databuf, 0x3, I2C_FLAG_WRITE); if(res < 0) { APS_ERR("i2c_master_send function err\n"); goto ENABLE_ALS_EXIT_ERR; } atomic_set(&obj->als_deb_on, 1); atomic_set(&obj->als_deb_end, jiffies+atomic_read(&obj->als_debounce)/(1000/HZ)); } else{ APS_LOG("cm36652_enable_als disable_als\n"); databuf[0] = CM36652_REG_CS_CONF; res = CM36652_i2c_master_operate(client, databuf, 0x201, I2C_FLAG_READ); if(res < 0) { APS_ERR("i2c_master_send function err\n"); goto ENABLE_ALS_EXIT_ERR; } APS_LOG("CM36652_REG_CS_CONF value value_low = %x, value_high = %x\n",databuf[0],databuf[1]); databuf[2] = databuf[1]; databuf[1] = databuf[0]|0x01; databuf[0] = CM36652_REG_CS_CONF; res = CM36652_i2c_master_operate(client, databuf, 0x3, I2C_FLAG_WRITE); if(res < 0) { APS_ERR("i2c_master_send function err\n"); goto ENABLE_ALS_EXIT_ERR; } atomic_set(&obj->als_deb_on, 0); } return 0; ENABLE_ALS_EXIT_ERR: return res; } /********************************************************************/ long cm36652_read_ps(struct i2c_client *client, u8 *data) { long res; u8 databuf[2]; struct cm36652_priv *obj = i2c_get_clientdata(client); #if 0//def CUSTOM_KERNEL_SENSORHUB SCP_SENSOR_HUB_DATA req; SCP_SENSOR_HUB_DATA_P pRsp = &req; CM36652_CUST_DATA *pCustData; int len; #endif #if 0//def CUSTOM_KERNEL_SENSORHUB req.get_data_req.sensorType = ID_PROXIMITY; req.get_data_req.action = SENSOR_HUB_SET_CUST; pCustData = (CM36652_CUST_DATA *)(&req.set_cust_req.custData); pCustData->getPSRawData.action = CM36652_CUST_ACTION_GET_PS_RAW_DATA; len = offsetof(SCP_SENSOR_HUB_SET_CUST_REQ, custData) + sizeof(pCustData->getPSRawData); res = SCP_sensorHub_req_send(&req, &len, 1); if (0 == res) { if (len != (offsetof(SCP_SENSOR_HUB_SET_CUST_REQ, custData) + sizeof(pCustData->getPSRawData)) || SENSOR_HUB_SET_CUST != pRsp->rsp.action || 0 != pRsp->rsp.errCode) { APS_ERR("SCP_sensorHub_req_send failed!\n"); goto READ_PS_EXIT_ERR; } pCustData = (CM36652_CUST_DATA *)(&pRsp->set_cust_rsp.custData); if (CM36652_CUST_ACTION_GET_PS_RAW_DATA != pCustData->getPSRawData.action) { APS_ERR("SCP_sensorHub_req_send failed!\n"); goto READ_PS_EXIT_ERR; } databuf[0] = pCustData->getPSRawData.ps; } else { APS_ERR("SCP_sensorHub_req_send failed!\n"); } #else //#ifdef CUSTOM_KERNEL_SENSORHUB databuf[0] = CM36652_REG_PS_DATA; res = CM36652_i2c_master_operate(client, databuf, 0x201, I2C_FLAG_READ); if(res < 0) { APS_ERR("i2c_master_send function err\n"); goto READ_PS_EXIT_ERR; } if(atomic_read(&obj->trace) & CMC_TRC_DEBUG){ APS_LOG("CM36652_REG_PS_DATA value value_low = %x, value_high = %x\n",databuf[0],databuf[1]); } #endif //#ifdef CUSTOM_KERNEL_SENSORHUB if(databuf[0] < obj->ps_cali) *data = 0; else *data = databuf[0] - obj->ps_cali; return 0; READ_PS_EXIT_ERR: return res; } /********************************************************************/ long cm36652_read_als(struct i2c_client *client, u16 *data) { long res; #if 0//def CUSTOM_KERNEL_SENSORHUB SCP_SENSOR_HUB_DATA req; SCP_SENSOR_HUB_DATA_P pRsp = &req; CM36652_CUST_DATA *pCustData; int len; #else //#ifdef CUSTOM_KERNEL_SENSORHUB u8 databuf[2]; struct cm36652_priv *obj = i2c_get_clientdata(client); #endif //#ifdef CUSTOM_KERNEL_SENSORHUB #if 0//def CUSTOM_KERNEL_SENSORHUB req.get_data_req.sensorType = ID_LIGHT; req.get_data_req.action = SENSOR_HUB_SET_CUST; pCustData = (CM36652_CUST_DATA *)(&req.set_cust_req.custData); pCustData->getALSRawData.action = CM36652_CUST_ACTION_GET_ALS_RAW_DATA; len = offsetof(SCP_SENSOR_HUB_SET_CUST_REQ, custData) + sizeof(pCustData->getALSRawData); res = SCP_sensorHub_req_send(&req, &len, 1); if (0 == res) { if (len != (offsetof(SCP_SENSOR_HUB_SET_CUST_REQ, custData) + sizeof(pCustData->getALSRawData)) || SENSOR_HUB_SET_CUST != pRsp->rsp.action || 0 != pRsp->rsp.errCode) { APS_ERR("SCP_sensorHub_req_send failed!\n"); goto READ_ALS_EXIT_ERR; } pCustData = (CM36652_CUST_DATA *)(&pRsp->set_cust_rsp.custData); if (CM36652_CUST_ACTION_GET_ALS_RAW_DATA != pCustData->getALSRawData.action) { APS_ERR("SCP_sensorHub_req_send failed!\n"); goto READ_ALS_EXIT_ERR; } *data = pCustData->getALSRawData.als; } else { APS_ERR("SCP_sensorHub_req_send failed!\n"); } #else //#ifdef CUSTOM_KERNEL_SENSORHUB databuf[0] = CM36652_REG_ALS_DATA; res = CM36652_i2c_master_operate(client, databuf, 0x201, I2C_FLAG_READ); if(res < 0) { APS_ERR("i2c_master_send function err\n"); goto READ_ALS_EXIT_ERR; } if(atomic_read(&obj->trace) & CMC_TRC_DEBUG){ APS_LOG("CM36652_REG_ALS_DATA value: %d\n", ((databuf[1]<<8)|databuf[0])); } *data = ((databuf[1]<<8)|databuf[0]); #endif //#ifdef CUSTOM_KERNEL_SENSORHUB return 0; READ_ALS_EXIT_ERR: return res; } /********************************************************************/ static int cm36652_get_ps_value(struct cm36652_priv *obj, u8 ps) { int val, mask = atomic_read(&obj->ps_mask); int invalid = 0; val = intr_flag; //value between high/low threshold should sync. with hw status. if(ps > atomic_read(&obj->ps_thd_val_high)) { val = 0; /*close*/ } else if(ps < atomic_read(&obj->ps_thd_val_low)) { val = 1; /*far away*/ } 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; } } if(!invalid) { if(unlikely(atomic_read(&obj->trace) & CMC_TRC_CVT_PS)) { if(mask) { APS_DBG("PS: %05d => %05d [M] \n", ps, val); } else { APS_DBG("PS: %05d => %05d\n", ps, val); } } if(0 == test_bit(CMC_BIT_PS, &obj->enable)) { //if ps is disable do not report value APS_DBG("PS: not enable and do not report this value\n"); return -1; } else { return val; } } else { if(unlikely(atomic_read(&obj->trace) & CMC_TRC_CVT_PS)) { APS_DBG("PS: %05d => %05d (-1)\n", ps, val); } return -1; } } /********************************************************************/ static int cm36652_get_als_value(struct cm36652_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("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 1//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 if (atomic_read(&obj->trace) & CMC_TRC_CVT_ALS) { APS_DBG("ALS: %05d => %05d\n", als, obj->hw->als_value[idx]); } return obj->hw->als_value[idx]; } else { if(atomic_read(&obj->trace) & CMC_TRC_CVT_ALS) { APS_DBG("ALS: %05d => %05d (-1)\n", als, obj->hw->als_value[idx]); } return -1; } } /*-------------------------------attribute file for debugging----------------------------------*/ /****************************************************************************** * Sysfs attributes *******************************************************************************/ static ssize_t cm36652_show_config(struct device_driver *ddri, char *buf) { ssize_t res; if(!cm36652_obj) { APS_ERR("cm36652_obj is null!!\n"); return 0; } res = snprintf(buf, PAGE_SIZE, "(%d %d %d %d %d)\n", atomic_read(&cm36652_obj->i2c_retry), atomic_read(&cm36652_obj->als_debounce), atomic_read(&cm36652_obj->ps_mask), atomic_read(&cm36652_obj->ps_thd_val), atomic_read(&cm36652_obj->ps_debounce)); return res; } /*----------------------------------------------------------------------------*/ static ssize_t cm36652_store_config(struct device_driver *ddri, const char *buf, size_t count) { int retry, als_deb, ps_deb, mask, thres; if(!cm36652_obj) { APS_ERR("cm36652_obj is null!!\n"); return 0; } if(5 == sscanf(buf, "%d %d %d %d %d", &retry, &als_deb, &mask, &thres, &ps_deb)) { atomic_set(&cm36652_obj->i2c_retry, retry); atomic_set(&cm36652_obj->als_debounce, als_deb); atomic_set(&cm36652_obj->ps_mask, mask); atomic_set(&cm36652_obj->ps_thd_val, thres); atomic_set(&cm36652_obj->ps_debounce, ps_deb); } else { APS_ERR("invalid content: '%s', length = %zu\n", buf, count); } return count; } /*----------------------------------------------------------------------------*/ static ssize_t cm36652_show_trace(struct device_driver *ddri, char *buf) { ssize_t res; if(!cm36652_obj) { APS_ERR("cm36652_obj is null!!\n"); return 0; } res = snprintf(buf, PAGE_SIZE, "0x%04X\n", atomic_read(&cm36652_obj->trace)); return res; } /*----------------------------------------------------------------------------*/ static ssize_t cm36652_store_trace(struct device_driver *ddri, const char *buf, size_t count) { int trace; if(!cm36652_obj) { APS_ERR("cm36652_obj is null!!\n"); return 0; } if(1 == sscanf(buf, "0x%x", &trace)) { atomic_set(&cm36652_obj->trace, trace); } else { APS_ERR("invalid content: '%s', length = %zu\n", buf, count); } return count; } /*----------------------------------------------------------------------------*/ static ssize_t cm36652_show_als(struct device_driver *ddri, char *buf) { int res; if(!cm36652_obj) { APS_ERR("cm36652_obj is null!!\n"); return 0; } if((res = cm36652_read_als(cm36652_obj->client, &cm36652_obj->als))) { return snprintf(buf, PAGE_SIZE, "ERROR: %d\n", res); } else { return snprintf(buf, PAGE_SIZE, "0x%04X\n", cm36652_obj->als); } } /*----------------------------------------------------------------------------*/ static ssize_t cm36652_show_ps(struct device_driver *ddri, char *buf) { ssize_t res; if(!cm36652_obj) { APS_ERR("cm3623_obj is null!!\n"); return 0; } if((res = cm36652_read_ps(cm36652_obj->client, &cm36652_obj->ps))) { return snprintf(buf, PAGE_SIZE, "ERROR: %d\n", (int)res); } else { return snprintf(buf, PAGE_SIZE, "0x%04X\n", cm36652_obj->ps); } } /*----------------------------------------------------------------------------*/ static ssize_t cm36652_show_reg(struct device_driver *ddri, char *buf) { u8 _bIndex = 0; u8 databuf[2] = {0}; ssize_t _tLength = 0; if(!cm36652_obj) { APS_ERR("cm3623_obj is null!!\n"); return 0; } for (_bIndex=0; _bIndex < 0x0D; _bIndex++) { databuf[0] = _bIndex; CM36652_i2c_master_operate(cm36652_obj->client, databuf, 0x201, I2C_FLAG_READ); _tLength += snprintf((buf + _tLength), (PAGE_SIZE - _tLength), "Reg[0x%02X]: 0x%02X\n", _bIndex, databuf[0]); } return (_tLength); } /*----------------------------------------------------------------------------*/ static ssize_t cm36652_show_send(struct device_driver *ddri, char *buf) { return 0; } /*----------------------------------------------------------------------------*/ static ssize_t cm36652_store_send(struct device_driver *ddri, const char *buf, size_t count) { int addr, cmd; u8 dat; if(!cm36652_obj) { APS_ERR("cm36652_obj is null!!\n"); return 0; } else if(2 != sscanf(buf, "%x %x", &addr, &cmd)) { APS_ERR("invalid format: '%s'\n", buf); return 0; } dat = (u8)cmd; //**************************** return count; } /*----------------------------------------------------------------------------*/ static ssize_t cm36652_show_recv(struct device_driver *ddri, char *buf) { return 0; } /*----------------------------------------------------------------------------*/ static ssize_t cm36652_store_recv(struct device_driver *ddri, const char *buf, size_t count) { int addr; //u8 dat; if(!cm36652_obj) { APS_ERR("cm36652_obj is null!!\n"); return 0; } else if(1 != sscanf(buf, "%x", &addr)) { APS_ERR("invalid format: '%s'\n", buf); return 0; } //**************************** return count; } /*----------------------------------------------------------------------------*/ static ssize_t cm36652_show_status(struct device_driver *ddri, char *buf) { ssize_t len = 0; if(!cm36652_obj) { APS_ERR("cm36652_obj is null!!\n"); return 0; } if(cm36652_obj->hw) { len += snprintf(buf+len, PAGE_SIZE-len, "CUST: %d, (%d %d)\n", cm36652_obj->hw->i2c_num, cm36652_obj->hw->power_id, cm36652_obj->hw->power_vol); } else { len += snprintf(buf+len, PAGE_SIZE-len, "CUST: NULL\n"); } len += snprintf(buf+len, PAGE_SIZE-len, "REGS: %02X %02X %02X %02lX %02lX\n", atomic_read(&cm36652_obj->als_cmd_val), atomic_read(&cm36652_obj->ps_cmd_val), atomic_read(&cm36652_obj->ps_thd_val),cm36652_obj->enable, cm36652_obj->pending_intr); len += snprintf(buf+len, PAGE_SIZE-len, "MISC: %d %d\n", atomic_read(&cm36652_obj->als_suspend), atomic_read(&cm36652_obj->ps_suspend)); return len; } /*----------------------------------------------------------------------------*/ /*----------------------------------------------------------------------------*/ #define IS_SPACE(CH) (((CH) == ' ') || ((CH) == '\n')) /*----------------------------------------------------------------------------*/ static int read_int_from_buf(struct cm36652_priv *obj, const char* buf, size_t count, u32 data[], int len) { int idx = 0; char *cur = (char*)buf, *end = (char*)(buf+count); while(idx < len) { while((cur < end) && IS_SPACE(*cur)) { cur++; } if(1 != sscanf(cur, "%d", &data[idx])) { break; } idx++; while((cur < end) && !IS_SPACE(*cur)) { cur++; } } return idx; } /*----------------------------------------------------------------------------*/ static ssize_t cm36652_show_alslv(struct device_driver *ddri, char *buf) { ssize_t len = 0; int idx; if(!cm36652_obj) { APS_ERR("cm36652_obj is null!!\n"); return 0; } for(idx = 0; idx < cm36652_obj->als_level_num; idx++) { len += snprintf(buf+len, PAGE_SIZE-len, "%d ", cm36652_obj->hw->als_level[idx]); } len += snprintf(buf+len, PAGE_SIZE-len, "\n"); return len; } /*----------------------------------------------------------------------------*/ static ssize_t cm36652_store_alslv(struct device_driver *ddri, const char *buf, size_t count) { if(!cm36652_obj) { APS_ERR("cm36652_obj is null!!\n"); return 0; } else if(!strcmp(buf, "def")) { memcpy(cm36652_obj->als_level, cm36652_obj->hw->als_level, sizeof(cm36652_obj->als_level)); } else if(cm36652_obj->als_level_num != read_int_from_buf(cm36652_obj, buf, count, cm36652_obj->hw->als_level, cm36652_obj->als_level_num)) { APS_ERR("invalid format: '%s'\n", buf); } return count; } /*----------------------------------------------------------------------------*/ static ssize_t cm36652_show_alsval(struct device_driver *ddri, char *buf) { ssize_t len = 0; int idx; if(!cm36652_obj) { APS_ERR("cm36652_obj is null!!\n"); return 0; } for(idx = 0; idx < cm36652_obj->als_value_num; idx++) { len += snprintf(buf+len, PAGE_SIZE-len, "%d ", cm36652_obj->hw->als_value[idx]); } len += snprintf(buf+len, PAGE_SIZE-len, "\n"); return len; } /*----------------------------------------------------------------------------*/ static ssize_t cm36652_store_alsval(struct device_driver *ddri, const char *buf, size_t count) { if(!cm36652_obj) { APS_ERR("cm36652_obj is null!!\n"); return 0; } else if(!strcmp(buf, "def")) { memcpy(cm36652_obj->als_value, cm36652_obj->hw->als_value, sizeof(cm36652_obj->als_value)); } else if(cm36652_obj->als_value_num != read_int_from_buf(cm36652_obj, buf, count, cm36652_obj->hw->als_value, cm36652_obj->als_value_num)) { APS_ERR("invalid format: '%s'\n", buf); } return count; } /*---------------------------------------------------------------------------------------*/ static DRIVER_ATTR(als, S_IWUSR | S_IRUGO, cm36652_show_als, NULL); static DRIVER_ATTR(ps, S_IWUSR | S_IRUGO, cm36652_show_ps, NULL); static DRIVER_ATTR(config, S_IWUSR | S_IRUGO, cm36652_show_config, cm36652_store_config); static DRIVER_ATTR(alslv, S_IWUSR | S_IRUGO, cm36652_show_alslv, cm36652_store_alslv); static DRIVER_ATTR(alsval, S_IWUSR | S_IRUGO, cm36652_show_alsval, cm36652_store_alsval); static DRIVER_ATTR(trace, S_IWUSR | S_IRUGO, cm36652_show_trace, cm36652_store_trace); static DRIVER_ATTR(status, S_IWUSR | S_IRUGO, cm36652_show_status, NULL); static DRIVER_ATTR(send, S_IWUSR | S_IRUGO, cm36652_show_send, cm36652_store_send); static DRIVER_ATTR(recv, S_IWUSR | S_IRUGO, cm36652_show_recv, cm36652_store_recv); static DRIVER_ATTR(reg, S_IWUSR | S_IRUGO, cm36652_show_reg, NULL); /*----------------------------------------------------------------------------*/ static struct driver_attribute *cm36652_attr_list[] = { &driver_attr_als, &driver_attr_ps, &driver_attr_trace, /*trace log*/ &driver_attr_config, &driver_attr_alslv, &driver_attr_alsval, &driver_attr_status, &driver_attr_send, &driver_attr_recv, &driver_attr_reg, }; /*----------------------------------------------------------------------------*/ static int cm36652_create_attr(struct device_driver *driver) { int idx, err = 0; int num = (int)(sizeof(cm36652_attr_list)/sizeof(cm36652_attr_list[0])); if (driver == NULL) { return -EINVAL; } for(idx = 0; idx < num; idx++) { if((err = driver_create_file(driver, cm36652_attr_list[idx]))) { APS_ERR("driver_create_file (%s) = %d\n", cm36652_attr_list[idx]->attr.name, err); break; } } return err; } /*----------------------------------------------------------------------------*/ static int cm36652_delete_attr(struct device_driver *driver) { int idx ,err = 0; int num = (int)(sizeof(cm36652_attr_list)/sizeof(cm36652_attr_list[0])); if (!driver) return -EINVAL; for (idx = 0; idx < num; idx++) { driver_remove_file(driver, cm36652_attr_list[idx]); } return err; } /*----------------------------------------------------------------------------*/ /*----------------------------------interrupt functions--------------------------------*/ #ifndef CUSTOM_KERNEL_SENSORHUB static int cm36652_check_intr(struct i2c_client *client) { int res; u8 databuf[2]; //u8 intr; databuf[0] = CM36652_REG_PS_DATA; res = CM36652_i2c_master_operate(client, databuf, 0x201, I2C_FLAG_READ); if(res<0) { APS_ERR("i2c_master_send function err res = %d\n",res); goto EXIT_ERR; } APS_LOG("CM36652_REG_PS_DATA value value_low = %x, value_reserve = %x\n",databuf[0],databuf[1]); databuf[0] = CM36652_REG_INT_FLAG; res = CM36652_i2c_master_operate(client, databuf, 0x201, I2C_FLAG_READ); if(res<0) { APS_ERR("i2c_master_send function err res = %d\n",res); goto EXIT_ERR; } APS_LOG("CM36652_REG_INT_FLAG value value_low = %x, value_high = %x\n",databuf[0],databuf[1]); if(databuf[1]&0x02) { intr_flag = 0;//for close }else if(databuf[1]&0x01) { intr_flag = 1;//for away }else{ res = -1; APS_ERR("cm36652_check_intr fail databuf[1]&0x01: %d\n", res); goto EXIT_ERR; } return 0; EXIT_ERR: APS_ERR("cm36652_check_intr dev: %d\n", res); return res; } #endif //#ifndef CUSTOM_KERNEL_SENSORHUB /*----------------------------------------------------------------------------*/ static void cm36652_eint_work(struct work_struct *work) { #ifdef CUSTOM_KERNEL_SENSORHUB int res = 0; res = ps_report_interrupt_data(intr_flag); if(res != 0) { APS_ERR("cm36652_eint_work err: %d\n", res); } #else //#ifdef CUSTOM_KERNEL_SENSORHUB struct cm36652_priv *obj = (struct cm36652_priv *)container_of(work, struct cm36652_priv, eint_work); int res = 0; APS_LOG("cm36652 int top half time = %lld\n", int_top_time); res = cm36652_check_intr(obj->client); if(res != 0){ goto EXIT_INTR_ERR; }else{ APS_LOG("cm36652 interrupt value = %d\n", intr_flag); res = ps_report_interrupt_data(intr_flag); } #if defined(CONFIG_OF) enable_irq(obj->irq); #elif defined(CUST_EINT_ALS_TYPE) mt_eint_unmask(CUST_EINT_ALS_NUM); #else mt65xx_eint_unmask(CUST_EINT_ALS_NUM); #endif return; EXIT_INTR_ERR: #if defined(CONFIG_OF) enable_irq(obj->irq); #elif defined(CUST_EINT_ALS_TYPE) mt_eint_unmask(CUST_EINT_ALS_NUM); #else mt65xx_eint_unmask(CUST_EINT_ALS_NUM); #endif APS_ERR("cm36652_eint_work err: %d\n", res); #endif //#ifdef CUSTOM_KERNEL_SENSORHUB } /*----------------------------------------------------------------------------*/ #ifdef CUSTOM_KERNEL_SENSORHUB static void cm36652_init_done_work(struct work_struct *work) { struct cm36652_priv *obj = cm36652_obj; CM36652_CUST_DATA *p_cust_data; SCP_SENSOR_HUB_DATA data; int max_cust_data_size_per_packet; int i; uint sizeOfCustData; uint len; char *p = (char *)obj->hw; APS_FUN(); p_cust_data = (CM36652_CUST_DATA *)data.set_cust_req.custData; sizeOfCustData = sizeof(*(obj->hw)); max_cust_data_size_per_packet = sizeof(data.set_cust_req.custData) - offsetof(CM36652_SET_CUST, data); for (i=0;sizeOfCustData>0;i++) { data.set_cust_req.sensorType = ID_PROXIMITY; data.set_cust_req.action = SENSOR_HUB_SET_CUST; p_cust_data->setCust.action = CM36652_CUST_ACTION_SET_CUST; p_cust_data->setCust.part = i; if (sizeOfCustData > max_cust_data_size_per_packet) { len = max_cust_data_size_per_packet; } else { len = sizeOfCustData; } memcpy(p_cust_data->setCust.data, p, len); sizeOfCustData -= len; p += len; len += offsetof(SCP_SENSOR_HUB_SET_CUST_REQ, custData) + offsetof(CM36652_SET_CUST, data); SCP_sensorHub_req_send(&data, &len, 1); } data.set_cust_req.sensorType = ID_PROXIMITY; data.set_cust_req.action = SENSOR_HUB_SET_CUST; p_cust_data->setEintInfo.action = CM36652_CUST_ACTION_SET_EINT_INFO; p_cust_data->setEintInfo.gpio_mode = GPIO_ALS_EINT_PIN_M_EINT; p_cust_data->setEintInfo.gpio_pin = GPIO_ALS_EINT_PIN; p_cust_data->setEintInfo.eint_num = CUST_EINT_ALS_NUM; p_cust_data->setEintInfo.eint_is_deb_en = CUST_EINT_ALS_DEBOUNCE_EN; p_cust_data->setEintInfo.eint_type = CUST_EINT_ALS_TYPE; len = offsetof(SCP_SENSOR_HUB_SET_CUST_REQ, custData) + sizeof(p_cust_data->setEintInfo); SCP_sensorHub_req_send(&data, &len, 1); mutex_lock(&cm36652_mutex); data.activate_req.sensorType = ID_PROXIMITY; data.activate_req.action = SENSOR_HUB_ACTIVATE; if(test_bit(CMC_BIT_PS, &obj->enable)) { data.activate_req.enable = 1; } else { data.activate_req.enable = 0; } len = sizeof(data.activate_req); SCP_sensorHub_req_send(&data, &len, 1); data.activate_req.sensorType = ID_LIGHT; if (test_bit(CMC_BIT_ALS, &obj->enable)) { data.activate_req.enable = 1; } else { data.activate_req.enable = 0; } len = sizeof(data.activate_req); SCP_sensorHub_req_send(&data, &len, 1); mutex_unlock(&cm36652_mutex); atomic_set(&obj->init_done, 1); } #endif //#ifdef CUSTOM_KERNEL_SENSORHUB /*----------------------------------------------------------------------------*/ static void cm36652_eint_func(void) { struct cm36652_priv *obj = cm36652_obj; if(!obj) { return; } int_top_time = sched_clock(); schedule_work(&obj->eint_work); } #if defined(CONFIG_OF) static irqreturn_t cm36652_eint_handler(int irq, void *desc) { cm36652_eint_func(); disable_irq_nosync(cm36652_obj->irq); return IRQ_HANDLED; } #endif /*----------------------------------------------------------------------------*/ #ifdef CUSTOM_KERNEL_SENSORHUB static int cm36652_irq_handler(void* data, uint len) { struct cm36652_priv *obj = cm36652_obj; SCP_SENSOR_HUB_DATA_P rsp = (SCP_SENSOR_HUB_DATA_P)data; if(!obj) { return -1; } APS_ERR("len = %d, type = %d, action = %d, errCode = %d\n", len, rsp->rsp.sensorType, rsp->rsp.action, rsp->rsp.errCode); switch(rsp->rsp.action) { case SENSOR_HUB_NOTIFY: switch(rsp->notify_rsp.event) { case SCP_INIT_DONE: schedule_work(&obj->init_done_work); //schedule_delayed_work(&obj->init_done_work, HZ); break; case SCP_NOTIFY: if (CM36652_NOTIFY_PROXIMITY_CHANGE == rsp->notify_rsp.data[0]) { intr_flag = rsp->notify_rsp.data[1]; cm36652_eint_func(); } else { APS_ERR("Unknow notify"); } break; default: APS_ERR("Error sensor hub notify"); break; } break; default: APS_ERR("Error sensor hub action"); break; } return 0; } #endif //#ifdef CUSTOM_KERNEL_SENSORHUB /*----------------------------------------------------------------------------*/ int cm36652_setup_eint(struct i2c_client *client) { #ifdef CUSTOM_KERNEL_SENSORHUB int err = 0; err = SCP_sensorHub_rsp_registration(ID_PROXIMITY, cm36652_irq_handler); #else //#ifdef CUSTOM_KERNEL_SENSORHUB #if defined(CONFIG_OF) u32 ints[2] = {0, 0}; #endif 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); #if defined(CONFIG_OF) if (cm36652_obj->irq_node) { of_property_read_u32_array(cm36652_obj->irq_node, "debounce", ints, ARRAY_SIZE(ints)); mt_gpio_set_debounce(ints[0], ints[1]); APS_LOG("ints[0] = %d, ints[1] = %d!!\n", ints[0], ints[1]); cm36652_obj->irq = irq_of_parse_and_map(cm36652_obj->irq_node, 0); APS_LOG("cm36652_obj->irq = %d\n", cm36652_obj->irq); if (!cm36652_obj->irq) { APS_ERR("irq_of_parse_and_map fail!!\n"); return -EINVAL; } if(request_irq(cm36652_obj->irq, cm36652_eint_handler, IRQF_TRIGGER_NONE, "ALS-eint", NULL)) { APS_ERR("IRQ LINE NOT AVAILABLE!!\n"); return -EINVAL; } enable_irq(cm36652_obj->irq); } else { APS_ERR("null irq node!!\n"); return -EINVAL; } #elif defined(CUST_EINT_ALS_TYPE) 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, cm36652_eint_func, 0); mt_eint_unmask(CUST_EINT_ALS_NUM); #else mt65xx_eint_set_sens(CUST_EINT_ALS_NUM, CUST_EINT_ALS_SENSITIVE); mt65xx_eint_set_polarity(CUST_EINT_ALS_NUM, CUST_EINT_ALS_POLARITY); mt65xx_eint_set_hw_debounce(CUST_EINT_ALS_NUM, CUST_EINT_ALS_DEBOUNCE_CN); mt65xx_eint_registration(CUST_EINT_ALS_NUM, CUST_EINT_ALS_DEBOUNCE_EN, CUST_EINT_ALS_POLARITY, cm36652_eint_func, 0); mt65xx_eint_unmask(CUST_EINT_ALS_NUM); #endif #endif //#ifdef CUSTOM_KERNEL_SENSORHUB return 0; } /*-------------------------------MISC device related------------------------------------------*/ /************************************************************/ static int cm36652_open(struct inode *inode, struct file *file) { file->private_data = cm36652_i2c_client; if (!file->private_data) { APS_ERR("null pointer!!\n"); return -EINVAL; } return nonseekable_open(inode, file); } /************************************************************/ static int cm36652_release(struct inode *inode, struct file *file) { file->private_data = NULL; return 0; } /************************************************************/ static int set_psensor_threshold(struct i2c_client *client) { struct cm36652_priv *obj = i2c_get_clientdata(client); int res = 0; #ifdef CUSTOM_KERNEL_SENSORHUB SCP_SENSOR_HUB_DATA data; CM36652_CUST_DATA *pCustData; int len; int32_t ps_thd_val_low, ps_thd_val_high; ps_thd_val_low = atomic_read(&obj->ps_thd_val_low); ps_thd_val_high = atomic_read(&obj->ps_thd_val_high); //ps_cali would be add back in SCP side. ps_thd_val_low -= obj->ps_cali; ps_thd_val_high -= obj->ps_cali; data.set_cust_req.sensorType = ID_PROXIMITY; data.set_cust_req.action = SENSOR_HUB_SET_CUST; pCustData = (CM36652_CUST_DATA *)(&data.set_cust_req.custData); pCustData->setPSThreshold.action = CM36652_CUST_ACTION_SET_PS_THRESHODL; pCustData->setPSThreshold.threshold[0] = ps_thd_val_low; pCustData->setPSThreshold.threshold[1] = ps_thd_val_high; len = offsetof(SCP_SENSOR_HUB_SET_CUST_REQ, custData) + sizeof(pCustData->setPSThreshold); res = SCP_sensorHub_req_send(&data, &len, 1); #else //#ifdef CUSTOM_KERNEL_SENSORHUB u8 databuf[3]; 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] = CM36652_REG_PS_THD; databuf[1] = atomic_read(&obj->ps_thd_val_low); databuf[2] = atomic_read(&obj->ps_thd_val_high);//threshold value need to confirm res = CM36652_i2c_master_operate(client, databuf, 0x3, I2C_FLAG_WRITE); if(res <= 0) { APS_ERR("i2c_master_send function err\n"); return -1; } #endif //#ifdef CUSTOM_KERNEL_SENSORHUB return 0; } static long cm36652_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct i2c_client *client = (struct i2c_client*)file->private_data; struct cm36652_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]; #ifdef CUSTOM_KERNEL_SENSORHUB SCP_SENSOR_HUB_DATA data; CM36652_CUST_DATA *pCustData; int len; data.set_cust_req.sensorType = ID_PROXIMITY; data.set_cust_req.action = SENSOR_HUB_SET_CUST; pCustData = (CM36652_CUST_DATA *)(&data.set_cust_req.custData); #endif //#ifdef CUSTOM_KERNEL_SENSORHUB switch (cmd) { case ALSPS_SET_PS_MODE: if(copy_from_user(&enable, ptr, sizeof(enable))) { err = -EFAULT; goto err_out; } if(enable) { if((err = cm36652_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 = cm36652_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 = cm36652_read_ps(obj->client, &obj->ps))) { goto err_out; } dat = cm36652_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 = cm36652_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 = cm36652_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 = cm36652_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 = cm36652_read_als(obj->client, &obj->als))) { goto err_out; } dat = cm36652_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 = cm36652_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 = cm36652_read_ps(obj->client, &obj->ps))) { goto err_out; } if(obj->ps > atomic_read(&obj->ps_thd_val_low)) { 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; #ifdef CUSTOM_KERNEL_SENSORHUB pCustData->clearCali.action = CM36652_CUST_ACTION_CLR_CALI; len = offsetof(SCP_SENSOR_HUB_SET_CUST_REQ, custData) + sizeof(pCustData->clearCali); err = SCP_sensorHub_req_send(&data, &len, 1); #endif 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; #ifdef CUSTOM_KERNEL_SENSORHUB pCustData->setCali.action = CM36652_CUST_ACTION_SET_CALI; pCustData->setCali.cali = ps_cali; len = offsetof(SCP_SENSOR_HUB_SET_CUST_REQ, custData) + sizeof(pCustData->setCali); err = SCP_sensorHub_req_send(&data, &len, 1); #endif 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; } /********************************************************************/ /*------------------------------misc device related operation functions------------------------------------*/ static struct file_operations cm36652_fops = { .owner = THIS_MODULE, .open = cm36652_open, .release = cm36652_release, .unlocked_ioctl = cm36652_unlocked_ioctl, }; static struct miscdevice cm36652_device = { .minor = MISC_DYNAMIC_MINOR, .name = "als_ps", .fops = &cm36652_fops, }; /*--------------------------------------------------------------------------------------*/ #if defined(CONFIG_HAS_EARLYSUSPEND) #ifdef CUSTOM_KERNEL_SENSORHUB static void cm36652_early_suspend(struct early_suspend *h) { struct cm36652_priv *obj = container_of(h, struct cm36652_priv, early_drv); int err; SCP_SENSOR_HUB_DATA req; int len; APS_FUN(); APS_ERR("cm36652_early_suspend!!\n"); if(!obj) { APS_ERR("null pointer!!\n"); return; } atomic_set(&obj->als_suspend, 1); if (atomic_read(&obj->init_done)) { req.activate_req.sensorType = ID_LIGHT; req.activate_req.action = SENSOR_HUB_ACTIVATE; req.activate_req.enable = 0; len = sizeof(req.activate_req); err = SCP_sensorHub_req_send(&req, &len, 1); } else { APS_ERR("sensor hub has not been ready!!\n"); } } static void cm36652_late_resume(struct early_suspend *h) { struct cm36652_priv *obj = container_of(h, struct cm36652_priv, early_drv); int err; SCP_SENSOR_HUB_DATA req; int len; APS_FUN(); APS_ERR("cm36652_late_resume!!\n"); if(!obj) { APS_ERR("null pointer!!\n"); return; } atomic_set(&obj->als_suspend, 0); if(test_bit(CMC_BIT_ALS, &obj->enable)) { if (atomic_read(&obj->init_done)) { req.activate_req.sensorType = ID_LIGHT; req.activate_req.action = SENSOR_HUB_ACTIVATE; req.activate_req.enable = 1; len = sizeof(req.activate_req); err = SCP_sensorHub_req_send(&req, &len, 1); } else { APS_ERR("sensor hub has not been ready!!\n"); } } } #else //#ifdef CUSTOM_KERNEL_SENSORHUB static void cm36652_early_suspend(struct early_suspend *h) { struct cm36652_priv *obj = container_of(h, struct cm36652_priv, early_drv); int err; APS_FUN(); if(!obj) { APS_ERR("null pointer!!\n"); return; } atomic_set(&obj->als_suspend, 1); if((err = cm36652_enable_als(obj->client, 0))) { APS_ERR("disable als fail: %d\n", err); } } static void cm36652_late_resume(struct early_suspend *h) { struct cm36652_priv *obj = container_of(h, struct cm36652_priv, early_drv); int err; hwm_sensor_data sensor_data; memset(&sensor_data, 0, sizeof(sensor_data)); APS_FUN(); if(!obj) { APS_ERR("null pointer!!\n"); return; } atomic_set(&obj->als_suspend, 0); if(test_bit(CMC_BIT_ALS, &obj->enable)) { if((err = cm36652_enable_als(obj->client, 1))) { APS_ERR("enable als fail: %d\n", err); } } } #endif //#ifdef CUSTOM_KERNEL_SENSORHUB #endif //#if defined(CONFIG_HAS_EARLYSUSPEND) /*--------------------------------------------------------------------------------*/ static int cm36652_init_client(struct i2c_client *client) { struct cm36652_priv *obj = i2c_get_clientdata(client); u8 databuf[3]; int res = 0; APS_FUN(); databuf[0] = CM36652_REG_CS_CONF; if(1 == obj->hw->polling_mode_als) databuf[1] = 0b00010001; else databuf[1] = 0b00010111; databuf[2] = 0b00000000; res = CM36652_i2c_master_operate(client, databuf, 0x3, I2C_FLAG_WRITE); if(res <= 0) { APS_ERR("i2c_master_send function err\n"); goto EXIT_ERR; } APS_LOG("cm36652 ps CM36652_REG_CS_CONF command!\n"); databuf[0] = CM36652_REG_PS_CONF1_2; databuf[1] = 0b00011001; if(1 == obj->hw->polling_mode_ps) databuf[2] = 0b01100000; else databuf[2] = 0b01100010; res = CM36652_i2c_master_operate(client, databuf, 0x3, I2C_FLAG_WRITE); if(res <= 0) { APS_ERR("i2c_master_send function err\n"); goto EXIT_ERR; } APS_LOG("cm36652 ps CM36652_REG_PS_CONF1_2 command!\n"); databuf[0] = CM36652_REG_PS_CANC;//value need to confirm databuf[1] = 0x00; databuf[2] = 0x00; res = CM36652_i2c_master_operate(client, databuf, 0x3, I2C_FLAG_WRITE); if(res <= 0) { APS_ERR("i2c_master_send function err\n"); goto EXIT_ERR; } APS_LOG("cm36652 ps CM36652_REG_PS_CANC command!\n"); if(0 == obj->hw->polling_mode_als){ databuf[0] = CM36652_REG_ALS_THDH; databuf[1] = 0x00; databuf[2] = atomic_read(&obj->als_thd_val_high); res = CM36652_i2c_master_operate(client, databuf, 0x3, I2C_FLAG_WRITE); if(res <= 0) { APS_ERR("i2c_master_send function err\n"); goto EXIT_ERR; } databuf[0] = CM36652_REG_ALS_THDL; databuf[1] = 0x00; databuf[2] = atomic_read(&obj->als_thd_val_low);//threshold value need to confirm res = CM36652_i2c_master_operate(client, databuf, 0x3, I2C_FLAG_WRITE); if(res <= 0) { APS_ERR("i2c_master_send function err\n"); goto EXIT_ERR; } } if(0 == obj->hw->polling_mode_ps){ databuf[0] = CM36652_REG_PS_THD; databuf[1] = atomic_read(&obj->ps_thd_val_low); databuf[2] = atomic_read(&obj->ps_thd_val_high);//threshold value need to confirm res = CM36652_i2c_master_operate(client, databuf, 0x3, I2C_FLAG_WRITE); if(res <= 0) { APS_ERR("i2c_master_send function err\n"); goto EXIT_ERR; } } res = cm36652_setup_eint(client); if(res!=0) { APS_ERR("setup eint: %d\n", res); return res; } return CM36652_SUCCESS; EXIT_ERR: APS_ERR("init dev: %d\n", res); return res; } /*--------------------------------------------------------------------------------*/ // if use this typ of enable , Gsensor should report inputEvent(x, y, z ,stats, div) to HAL static int als_open_report_data(int open) { //should queuq work to report event if is_report_input_direct=true return 0; } // if use this typ of enable , Gsensor only enabled but not report inputEvent to HAL static int als_enable_nodata(int en) { int res = 0; #ifdef CUSTOM_KERNEL_SENSORHUB SCP_SENSOR_HUB_DATA req; int len; #endif //#ifdef CUSTOM_KERNEL_SENSORHUB APS_LOG("cm36652_obj als enable value = %d\n", en); #ifdef CUSTOM_KERNEL_SENSORHUB if (atomic_read(&cm36652_obj->init_done)) { req.activate_req.sensorType = ID_LIGHT; req.activate_req.action = SENSOR_HUB_ACTIVATE; req.activate_req.enable = en; len = sizeof(req.activate_req); res = SCP_sensorHub_req_send(&req, &len, 1); } else { APS_ERR("sensor hub has not been ready!!\n"); } mutex_lock(&cm36652_mutex); if (en) set_bit(CMC_BIT_ALS, &cm36652_obj->enable); else clear_bit(CMC_BIT_ALS, &cm36652_obj->enable); mutex_unlock(&cm36652_mutex); #else //#ifdef CUSTOM_KERNEL_SENSORHUB mutex_lock(&cm36652_mutex); if (en) set_bit(CMC_BIT_ALS, &cm36652_obj->enable); else clear_bit(CMC_BIT_ALS, &cm36652_obj->enable); mutex_unlock(&cm36652_mutex); if(!cm36652_obj) { APS_ERR("cm36652_obj is null!!\n"); return -1; } res= cm36652_enable_als(cm36652_obj->client, en); #endif //#ifdef CUSTOM_KERNEL_SENSORHUB if(res){ APS_ERR("als_enable_nodata is failed!!\n"); return -1; } return 0; } static int als_set_delay(u64 ns) { return 0; } static int als_get_data(int* value, int* status) { int err = 0; #ifdef CUSTOM_KERNEL_SENSORHUB SCP_SENSOR_HUB_DATA req; int len; #else struct cm36652_priv *obj = NULL; #endif //#ifdef CUSTOM_KERNEL_SENSORHUB #ifdef CUSTOM_KERNEL_SENSORHUB if (atomic_read(&cm36652_obj->init_done)) { req.get_data_req.sensorType = ID_LIGHT; req.get_data_req.action = SENSOR_HUB_GET_DATA; len = sizeof(req.get_data_req); err = SCP_sensorHub_req_send(&req, &len, 1); if (err) { APS_ERR("SCP_sensorHub_req_send fail!\n"); } else { *value = req.get_data_rsp.int16_Data[0]; *status = SENSOR_STATUS_ACCURACY_MEDIUM; } if(atomic_read(&cm36652_obj->trace) & CMC_TRC_PS_DATA) { APS_LOG("value = %d\n", *value); //show data } } else { APS_ERR("sensor hub hat not been ready!!\n"); err = -1; } #else //#ifdef CUSTOM_KERNEL_SENSORHUB if(!cm36652_obj) { APS_ERR("cm36652_obj is null!!\n"); return -1; } obj = cm36652_obj; if((err = cm36652_read_als(obj->client, &obj->als))) { err = -1; } else { *value = cm36652_get_als_value(obj, obj->als); *status = SENSOR_STATUS_ACCURACY_MEDIUM; } #endif //#ifdef CUSTOM_KERNEL_SENSORHUB return err; } // if use this typ of enable , Gsensor should report inputEvent(x, y, z ,stats, div) to HAL static int ps_open_report_data(int open) { //should queuq work to report event if is_report_input_direct=true return 0; } // if use this typ of enable , Gsensor only enabled but not report inputEvent to HAL static int ps_enable_nodata(int en) { int res = 0; #ifdef CUSTOM_KERNEL_SENSORHUB SCP_SENSOR_HUB_DATA req; int len; #endif //#ifdef CUSTOM_KERNEL_SENSORHUB APS_LOG("cm36652_obj als enable value = %d\n", en); #ifdef CUSTOM_KERNEL_SENSORHUB if (atomic_read(&cm36652_obj->init_done)) { req.activate_req.sensorType = ID_PROXIMITY; req.activate_req.action = SENSOR_HUB_ACTIVATE; req.activate_req.enable = en; len = sizeof(req.activate_req); res = SCP_sensorHub_req_send(&req, &len, 1); } else { APS_ERR("sensor hub has not been ready!!\n"); } mutex_lock(&cm36652_mutex); if (en) set_bit(CMC_BIT_PS, &cm36652_obj->enable); else clear_bit(CMC_BIT_PS, &cm36652_obj->enable); mutex_unlock(&cm36652_mutex); #else //#ifdef CUSTOM_KERNEL_SENSORHUB mutex_lock(&cm36652_mutex); if (en) set_bit(CMC_BIT_PS, &cm36652_obj->enable); else clear_bit(CMC_BIT_PS, &cm36652_obj->enable); mutex_unlock(&cm36652_mutex); if(!cm36652_obj) { APS_ERR("cm36652_obj is null!!\n"); return -1; } res= cm36652_enable_ps(cm36652_obj->client, en); #endif //#ifdef CUSTOM_KERNEL_SENSORHUB if(res){ APS_ERR("als_enable_nodata is failed!!\n"); return -1; } return 0; } static int ps_set_delay(u64 ns) { return 0; } static int ps_get_data(int* value, int* status) { int err = 0; #ifdef CUSTOM_KERNEL_SENSORHUB SCP_SENSOR_HUB_DATA req; int len; #endif //#ifdef CUSTOM_KERNEL_SENSORHUB #ifdef CUSTOM_KERNEL_SENSORHUB if (atomic_read(&cm36652_obj->init_done)) { req.get_data_req.sensorType = ID_PROXIMITY; req.get_data_req.action = SENSOR_HUB_GET_DATA; len = sizeof(req.get_data_req); err = SCP_sensorHub_req_send(&req, &len, 1); if (err) { APS_ERR("SCP_sensorHub_req_send fail!\n"); *value = -1; err = -1; } else { *value = req.get_data_rsp.int16_Data[0]; *status = SENSOR_STATUS_ACCURACY_MEDIUM; } if(atomic_read(&cm36652_obj->trace) & CMC_TRC_PS_DATA) { APS_LOG("value = %d\n", *value); //show data } } else { APS_ERR("sensor hub has not been ready!!\n"); err = -1; } #else //#ifdef CUSTOM_KERNEL_SENSORHUB if(!cm36652_obj) { APS_ERR("cm36652_obj is null!!\n"); return -1; } if((err = cm36652_read_ps(cm36652_obj->client, &cm36652_obj->ps))) { err = -1;; } else { *value = cm36652_get_ps_value(cm36652_obj, cm36652_obj->ps); *status = SENSOR_STATUS_ACCURACY_MEDIUM; } #endif //#ifdef CUSTOM_KERNEL_SENSORHUB return 0; } /*-----------------------------------i2c operations----------------------------------*/ static int cm36652_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct cm36652_priv *obj; int err = 0; struct als_control_path als_ctl={0}; struct als_data_path als_data={0}; struct ps_control_path ps_ctl={0}; struct ps_data_path ps_data={0}; APS_FUN(); if(!(obj = kzalloc(sizeof(*obj), GFP_KERNEL))) { err = -ENOMEM; goto exit; } memset(obj, 0, sizeof(*obj)); cm36652_obj = obj; obj->hw = hw; INIT_WORK(&obj->eint_work, cm36652_eint_work); #ifdef CUSTOM_KERNEL_SENSORHUB INIT_WORK(&obj->init_done_work, cm36652_init_done_work); #endif //#ifdef CUSTOM_KERNEL_SENSORHUB obj->client = client; i2c_set_clientdata(client, obj); /*-----------------------------value need to be confirmed-----------------------------------------*/ atomic_set(&obj->als_debounce, 200); atomic_set(&obj->als_deb_on, 0); atomic_set(&obj->als_deb_end, 0); atomic_set(&obj->ps_debounce, 200); 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); atomic_set(&obj->als_thd_val_high, obj->hw->als_threshold_high); atomic_set(&obj->als_thd_val_low, obj->hw->als_threshold_low); atomic_set(&obj->init_done, 0); obj->irq_node = of_find_compatible_node(NULL, NULL, "mediatek, ALS-eint"); obj->enable = 0; obj->pending_intr = 0; obj->ps_cali = 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]); /*-----------------------------value need to be confirmed-----------------------------------------*/ 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); clear_bit(CMC_BIT_ALS, &obj->enable); clear_bit(CMC_BIT_PS, &obj->enable); cm36652_i2c_client = client; if((err = cm36652_init_client(client))) { goto exit_init_failed; } APS_LOG("cm36652_init_client() OK!\n"); if((err = misc_register(&cm36652_device))) { APS_ERR("cm36652_device register failed\n"); goto exit_misc_device_register_failed; } als_ctl.is_use_common_factory =false; ps_ctl.is_use_common_factory = false; APS_LOG("cm36652_device misc_register OK!\n"); /*------------------------cm36652 attribute file for debug--------------------------------------*/ if((err = cm36652_create_attr(&(cm36652_init_info.platform_diver_addr->driver)))) { APS_ERR("create attribute err = %d\n", err); goto exit_create_attr_failed; } /*------------------------cm36652 attribute file for debug--------------------------------------*/ als_ctl.open_report_data= als_open_report_data; als_ctl.enable_nodata = als_enable_nodata; als_ctl.set_delay = als_set_delay; als_ctl.is_report_input_direct = false; #ifdef CUSTOM_KERNEL_SENSORHUB als_ctl.is_support_batch = obj->hw->is_batch_supported_als; #else als_ctl.is_support_batch = false; #endif err = als_register_control_path(&als_ctl); if(err) { APS_ERR("register fail = %d\n", err); goto exit_sensor_obj_attach_fail; } als_data.get_data = als_get_data; als_data.vender_div = 100; err = als_register_data_path(&als_data); if(err) { APS_ERR("tregister fail = %d\n", err); goto exit_sensor_obj_attach_fail; } ps_ctl.open_report_data= ps_open_report_data; ps_ctl.enable_nodata = ps_enable_nodata; ps_ctl.set_delay = ps_set_delay; ps_ctl.is_report_input_direct = false; #ifdef CUSTOM_KERNEL_SENSORHUB ps_ctl.is_support_batch = obj->hw->is_batch_supported_ps; #else ps_ctl.is_support_batch = false; #endif err = ps_register_control_path(&ps_ctl); if(err) { APS_ERR("register fail = %d\n", err); goto exit_sensor_obj_attach_fail; } ps_data.get_data = ps_get_data; ps_data.vender_div = 100; err = ps_register_data_path(&ps_data); if(err) { APS_ERR("tregister fail = %d\n", err); goto exit_sensor_obj_attach_fail; } err = batch_register_support_info(ID_LIGHT,als_ctl.is_support_batch, 1, 0); if(err) { APS_ERR("register light batch support err = %d\n", err); } err = batch_register_support_info(ID_PROXIMITY,ps_ctl.is_support_batch, 1, 0); if(err) { APS_ERR("register proximity batch support err = %d\n", err); } #if defined(CONFIG_HAS_EARLYSUSPEND) && defined(CONFIG_EARLYSUSPEND) obj->early_drv.level = EARLY_SUSPEND_LEVEL_STOP_DRAWING - 2, obj->early_drv.suspend = cm36652_early_suspend, obj->early_drv.resume = cm36652_late_resume, register_early_suspend(&obj->early_drv); #endif cm36652_init_flag =0; APS_LOG("%s: OK\n", __func__); return 0; exit_create_attr_failed: exit_sensor_obj_attach_fail: exit_misc_device_register_failed: misc_deregister(&cm36652_device); exit_init_failed: kfree(obj); exit: cm36652_i2c_client = NULL; APS_ERR("%s: err = %d\n", __func__, err); cm36652_init_flag =-1; return err; } static int cm36652_i2c_remove(struct i2c_client *client) { int err; /*------------------------cm36652 attribute file for debug--------------------------------------*/ if((err = cm36652_delete_attr(&(cm36652_init_info.platform_diver_addr->driver)))) { APS_ERR("cm36652_delete_attr fail: %d\n", err); } /*----------------------------------------------------------------------------------------*/ if((err = misc_deregister(&cm36652_device))) { APS_ERR("misc_deregister fail: %d\n", err); } cm36652_i2c_client = NULL; i2c_unregister_device(client); kfree(i2c_get_clientdata(client)); return 0; } static int cm36652_i2c_detect(struct i2c_client *client, struct i2c_board_info *info) { strcpy(info->type, CM36652_DEV_NAME); return 0; } static int cm36652_i2c_suspend(struct i2c_client *client, pm_message_t msg) { APS_FUN(); return 0; } static int cm36652_i2c_resume(struct i2c_client *client) { APS_FUN(); return 0; } /*----------------------------------------------------------------------------*/ /*----------------------------------------------------------------------------*/ static int cm36652_remove(void) { //APS_FUN(); cm36652_power(hw, 0);//***************** i2c_del_driver(&cm36652_i2c_driver); return 0; } /*----------------------------------------------------------------------------*/ static int cm36652_local_init(void) { //printk("fwq loccal init+++\n"); cm36652_power(hw, 1); if(i2c_add_driver(&cm36652_i2c_driver)) { APS_ERR("add driver error\n"); return -1; } if(-1 == cm36652_init_flag) { return -1; } //printk("fwq loccal init---\n"); return 0; } /*----------------------------------------------------------------------------*/ static int __init cm36652_init(void) { const char *name = "mediatek,CM36652"; hw = get_alsps_dts_func(name, hw); if (!hw) hw = get_cust_alsps_hw(); struct i2c_board_info i2c_cm36652={ I2C_BOARD_INFO(CM36652_DEV_NAME,hw->i2c_addr[0] )}; APS_LOG("%s: i2c_number=%d, i2c_addr: 0x%x\n", __func__, hw->i2c_num, hw->i2c_addr[0]); i2c_register_board_info(hw->i2c_num, &i2c_cm36652, 1); alsps_driver_add(&cm36652_init_info); return 0; } /*----------------------------------------------------------------------------*/ static void __exit cm36652_exit(void) { APS_FUN(); } /*----------------------------------------------------------------------------*/ module_init(cm36652_init); module_exit(cm36652_exit); /*----------------------------------------------------------------------------*/ MODULE_AUTHOR("yucong xiong"); MODULE_DESCRIPTION("cm36652 driver"); MODULE_LICENSE("GPL");