/* BMA150 motion sensor driver * * * * 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 "bma222E.h" #include #include #include #ifdef CUSTOM_KERNEL_SENSORHUB #include #endif//#ifdef CUSTOM_KERNEL_SENSORHUB /*----------------------------------------------------------------------------*/ #define I2C_DRIVERID_BMA222 222 /*----------------------------------------------------------------------------*/ //#define DEBUG 1 /*----------------------------------------------------------------------------*/ #define SW_CALIBRATION /*----------------------------------------------------------------------------*/ #define BMA222_AXIS_X 0 #define BMA222_AXIS_Y 1 #define BMA222_AXIS_Z 2 #define BMA222_DATA_LEN 6 #define BMA222_DEV_NAME "BMA222" /*----------------------------------------------------------------------------*/ /*********/ /*----------------------------------------------------------------------------*/ static const struct i2c_device_id bma222_i2c_id[] = {{BMA222_DEV_NAME,0},{}}; static struct i2c_board_info __initdata i2c_BMA222={ I2C_BOARD_INFO(BMA222_DEV_NAME, 0x18)}; /*----------------------------------------------------------------------------*/ static int bma222_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id); static int bma222_i2c_remove(struct i2c_client *client); #if !defined(CONFIG_HAS_EARLYSUSPEND) || !defined(USE_EARLY_SUSPEND) static int bma222_suspend(struct i2c_client *client, pm_message_t msg); static int bma222_resume(struct i2c_client *client); #endif static int gsensor_local_init(void); static int gsensor_remove(void); #ifdef CUSTOM_KERNEL_SENSORHUB static int gsensor_setup_irq(void); #endif//#ifdef CUSTOM_KERNEL_SENSORHUB static int gsensor_set_delay(u64 ns); /*----------------------------------------------------------------------------*/ typedef enum { ADX_TRC_FILTER = 0x01, ADX_TRC_RAWDATA = 0x02, ADX_TRC_IOCTL = 0x04, ADX_TRC_CALI = 0X08, ADX_TRC_INFO = 0X10, } ADX_TRC; /*----------------------------------------------------------------------------*/ struct scale_factor{ u8 whole; u8 fraction; }; /*----------------------------------------------------------------------------*/ struct data_resolution { struct scale_factor scalefactor; int sensitivity; }; /*----------------------------------------------------------------------------*/ #define C_MAX_FIR_LENGTH (32) /*----------------------------------------------------------------------------*/ struct data_filter { s16 raw[C_MAX_FIR_LENGTH][BMA222_AXES_NUM]; int sum[BMA222_AXES_NUM]; int num; int idx; }; /*----------------------------------------------------------------------------*/ struct bma222_i2c_data { struct i2c_client *client; struct acc_hw *hw; struct hwmsen_convert cvt; #ifdef CUSTOM_KERNEL_SENSORHUB struct work_struct irq_work; #endif//#ifdef CUSTOM_KERNEL_SENSORHUB /*misc*/ struct data_resolution *reso; atomic_t trace; atomic_t suspend; atomic_t selftest; atomic_t filter; s16 cali_sw[BMA222_AXES_NUM+1]; /*data*/ s8 offset[BMA222_AXES_NUM+1]; /*+1: for 4-byte alignment*/ s16 data[BMA222_AXES_NUM+1]; #ifdef CUSTOM_KERNEL_SENSORHUB int SCP_init_done; #endif//#ifdef CUSTOM_KERNEL_SENSORHUB #if defined(CONFIG_BMA222_LOWPASS) atomic_t firlen; atomic_t fir_en; struct data_filter fir; #endif /*early suspend*/ #if defined(CONFIG_HAS_EARLYSUSPEND) && defined(USE_EARLY_SUSPEND) struct early_suspend early_drv; #endif u8 bandwidth; }; /*----------------------------------------------------------------------------*/ static struct i2c_driver bma222_i2c_driver = { .driver = { // .owner = THIS_MODULE, .name = BMA222_DEV_NAME, }, .probe = bma222_i2c_probe, .remove = bma222_i2c_remove, #if defined(CONFIG_HAS_EARLYSUSPEND) && defined(USE_EARLY_SUSPEND) .suspend = bma222_suspend, .resume = bma222_resume, #endif .id_table = bma222_i2c_id, // .address_data = &bma222_addr_data, }; /*----------------------------------------------------------------------------*/ static struct i2c_client *bma222_i2c_client = NULL; static struct bma222_i2c_data *obj_i2c_data = NULL; static bool sensor_power = true; static int sensor_suspend = 0; static GSENSOR_VECTOR3D gsensor_gain; //static char selftestRes[8]= {0}; static DEFINE_MUTEX(gsensor_mutex); static DEFINE_MUTEX(gsensor_scp_en_mutex); static bool enable_status = false; static int gsensor_init_flag =-1; // 0<==>OK -1 <==> fail static struct acc_init_info bma222_init_info = { .name = BMA222_DEV_NAME, .init = gsensor_local_init, .uninit = gsensor_remove, }; /*----------------------------------------------------------------------------*/ #ifdef GSE_DUBUG #define GSE_TAG "[Gsensor] " #define GSE_FUN(f) printk(GSE_TAG"%s\n", __func__) #define GSE_ERR(fmt, args...) printk(GSE_TAG"%s %d : "fmt, __func__, __LINE__, ##args) #define GSE_LOG(fmt, args...) printk(GSE_TAG fmt, ##args) #else #define GSE_TAG #define GSE_FUN(f) #define GSE_ERR(fmt, args...) #define GSE_LOG(fmt, args...) #endif /*----------------------------------------------------------------------------*/ static struct data_resolution bma222_data_resolution[1] = { /* combination by {FULL_RES,RANGE}*/ {{ 15, 6}, 64}, // dataformat +/-2g in 8-bit resolution; { 15, 6} = 15.6= (2*2*1000)/(2^8); 64 = (2^8)/(2*2) }; /*----------------------------------------------------------------------------*/ static struct data_resolution bma222_offset_resolution = {{15, 6}, 64}; /*----------------------------------------------------------------------------*/ static int bma_i2c_read_block(struct i2c_client *client, u8 addr, u8 *data, u8 len) { u8 beg = addr; int err; struct i2c_msg msgs[2]={{0},{0}}; mutex_lock(&gsensor_mutex); msgs[0].addr = client->addr; msgs[0].flags = 0; msgs[0].len =1; msgs[0].buf = &beg; msgs[1].addr = client->addr; msgs[1].flags = I2C_M_RD; msgs[1].len =len; msgs[1].buf = data; if (!client) { mutex_unlock(&gsensor_mutex); return -EINVAL; } else if (len > C_I2C_FIFO_SIZE) { GSE_ERR(" length %d exceeds %d\n", len, C_I2C_FIFO_SIZE); mutex_unlock(&gsensor_mutex); return -EINVAL; } err = i2c_transfer(client->adapter, msgs, sizeof(msgs)/sizeof(msgs[0])); if (err != 2) { GSE_ERR("i2c_transfer error: (%d %p %d) %d\n",addr, data, len, err); err = -EIO; } else { err = 0; } mutex_unlock(&gsensor_mutex); return err; } EXPORT_SYMBOL(bma_i2c_read_block); static int bma_i2c_write_block(struct i2c_client *client, u8 addr, u8 *data, u8 len) { /*because address also occupies one byte, the maximum length for write is 7 bytes*/ int err, idx, num; char buf[C_I2C_FIFO_SIZE]; err =0; mutex_lock(&gsensor_mutex); if (!client) { mutex_unlock(&gsensor_mutex); return -EINVAL; } else if (len >= C_I2C_FIFO_SIZE) { GSE_ERR(" length %d exceeds %d\n", len, C_I2C_FIFO_SIZE); mutex_unlock(&gsensor_mutex); return -EINVAL; } num = 0; buf[num++] = addr; for (idx = 0; idx < len; idx++) { buf[num++] = data[idx]; } err = i2c_master_send(client, buf, num); if (err < 0) { GSE_ERR("send command error!!\n"); mutex_unlock(&gsensor_mutex); return -EFAULT; } mutex_unlock(&gsensor_mutex); return err; } EXPORT_SYMBOL(bma_i2c_write_block); /*----------------------------------------------------------------------------*/ /*--------------------Add by Susan----------------------------------*/ #ifdef CUSTOM_KERNEL_SENSORHUB int BMA222_SCP_SetPowerMode(bool enable, int sensorType) { static bool gsensor_scp_en_status = false; static unsigned int gsensor_scp_en_map = 0; SCP_SENSOR_HUB_DATA req; int len; int err = 0; mutex_lock(&gsensor_scp_en_mutex); if (sensorType >= 32) { GSE_ERR("Out of index!\n"); return -1; } if (true == enable) { gsensor_scp_en_map |= (1<power_id != POWER_NONE_MACRO) // have externel LDO { GSE_LOG("power %s\n", on ? "on" : "off"); if(power_on == on) // power status not change { GSE_LOG("ignore power control: %d\n", on); } else if(on) // power on { if(!hwPowerOn(hw->power_id, hw->power_vol, "BMA222")) { GSE_ERR("power on fails!!\n"); } } else // power off { if (!hwPowerDown(hw->power_id, "BMA222")) { GSE_ERR("power off fail!!\n"); } } } power_on = on; #endif //#ifndef FPGA_EARLY_PORTING #endif //__USE_LINUX_REGULATOR_FRAMEWORK__ } /*----------------------------------------------------------------------------*/ /*----------------------------------------------------------------------------*/ static int BMA222_SetDataResolution(struct bma222_i2c_data *obj) { /*set g sensor dataresolution here*/ /*BMA222 only can set to 10-bit dataresolution, so do nothing in bma222 driver here*/ /*end of set dataresolution*/ /*we set measure range from -2g to +2g in BMA150_SetDataFormat(client, BMA150_RANGE_2G), and set 10-bit dataresolution BMA150_SetDataResolution()*/ /*so bma222_data_resolution[0] set value as {{ 3, 9}, 256} when declaration, and assign the value to obj->reso here*/ obj->reso = &bma222_data_resolution[0]; return 0; /*if you changed the measure range, for example call: BMA222_SetDataFormat(client, BMA150_RANGE_4G), you must set the right value to bma222_data_resolution*/ } /*----------------------------------------------------------------------------*/ static int BMA222_ReadData(struct i2c_client *client, s16 data[BMA222_AXES_NUM]) { struct bma222_i2c_data *priv = i2c_get_clientdata(client); int err = 0; #if 0 //CUSTOM_KERNEL_SENSORHUB SCP_SENSOR_HUB_DATA req; int len; #else //#ifdef CUSTOM_KERNEL_SENSORHUB u8 addr = BMA222_REG_DATAXLOW; u8 buf[BMA222_DATA_LEN] = {0}; #endif //#ifdef CUSTOM_KERNEL_SENSORHUB #if 0 // CUSTOM_KERNEL_SENSORHUB req.get_data_req.sensorType = ID_ACCELEROMETER; 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) { GSE_ERR("SCP_sensorHub_req_send!\n"); return err; } if (ID_ACCELEROMETER != req.get_data_rsp.sensorType || SENSOR_HUB_GET_DATA != req.get_data_rsp.action || 0 != req.get_data_rsp.errCode) { GSE_ERR("error : %d\n", req.get_data_rsp.errCode); return req.get_data_rsp.errCode; } len -= offsetof(SCP_SENSOR_HUB_GET_DATA_RSP, int8_Data); if (6 == len) { data[BMA222_AXIS_X] = req.get_data_rsp.int16_Data[0]; data[BMA222_AXIS_Y] = req.get_data_rsp.int16_Data[1]; data[BMA222_AXIS_Z] = req.get_data_rsp.int16_Data[2]; } else { GSE_ERR("data length fail : %d\n", len); } if(atomic_read(&priv->trace) & ADX_TRC_RAWDATA) { //show data } #endif//#ifdef CUSTOM_KERNEL_SENSORHUB if(NULL == client) { err = -EINVAL; } else if((err = bma_i2c_read_block(client, addr, buf, 0x05))!=0) { GSE_ERR("error: %d\n", err); } else { data[BMA222_AXIS_X] = (s16)buf[BMA222_AXIS_X*2] ; data[BMA222_AXIS_Y] = (s16)buf[BMA222_AXIS_Y*2]; data[BMA222_AXIS_Z] = (s16)buf[BMA222_AXIS_Z*2] ; if(atomic_read(&priv->trace) & ADX_TRC_RAWDATA) { GSE_LOG("[%08X %08X %08X] => [%5d %5d %5d] before\n", data[BMA222_AXIS_X], data[BMA222_AXIS_Y], data[BMA222_AXIS_Z], data[BMA222_AXIS_X], data[BMA222_AXIS_Y], data[BMA222_AXIS_Z]); } if(data[BMA222_AXIS_X]&0x80) { data[BMA222_AXIS_X] = ~data[BMA222_AXIS_X]; data[BMA222_AXIS_X] &= 0xff; data[BMA222_AXIS_X]+=1; data[BMA222_AXIS_X] = -data[BMA222_AXIS_X]; } if(data[BMA222_AXIS_Y]&0x80) { data[BMA222_AXIS_Y] = ~data[BMA222_AXIS_Y]; data[BMA222_AXIS_Y] &= 0xff; data[BMA222_AXIS_Y]+=1; data[BMA222_AXIS_Y] = -data[BMA222_AXIS_Y]; } if(data[BMA222_AXIS_Z]&0x80) { data[BMA222_AXIS_Z] = ~data[BMA222_AXIS_Z]; data[BMA222_AXIS_Z] &= 0xff; data[BMA222_AXIS_Z]+=1; data[BMA222_AXIS_Z] = -data[BMA222_AXIS_Z]; } if(atomic_read(&priv->trace) & ADX_TRC_RAWDATA) { GSE_LOG("[%08X %08X %08X] => [%5d %5d %5d] after\n", data[BMA222_AXIS_X], data[BMA222_AXIS_Y], data[BMA222_AXIS_Z], data[BMA222_AXIS_X], data[BMA222_AXIS_Y], data[BMA222_AXIS_Z]); } #ifdef CONFIG_BMA222_LOWPASS if(atomic_read(&priv->filter)) { if(atomic_read(&priv->fir_en) && !atomic_read(&priv->suspend)) { int idx, firlen = atomic_read(&priv->firlen); if(priv->fir.num < firlen) { priv->fir.raw[priv->fir.num][BMA222_AXIS_X] = data[BMA222_AXIS_X]; priv->fir.raw[priv->fir.num][BMA222_AXIS_Y] = data[BMA222_AXIS_Y]; priv->fir.raw[priv->fir.num][BMA222_AXIS_Z] = data[BMA222_AXIS_Z]; priv->fir.sum[BMA222_AXIS_X] += data[BMA222_AXIS_X]; priv->fir.sum[BMA222_AXIS_Y] += data[BMA222_AXIS_Y]; priv->fir.sum[BMA222_AXIS_Z] += data[BMA222_AXIS_Z]; if(atomic_read(&priv->trace) & ADX_TRC_FILTER) { GSE_LOG("add [%2d] [%5d %5d %5d] => [%5d %5d %5d]\n", priv->fir.num, priv->fir.raw[priv->fir.num][BMA222_AXIS_X], priv->fir.raw[priv->fir.num][BMA222_AXIS_Y], priv->fir.raw[priv->fir.num][BMA222_AXIS_Z], priv->fir.sum[BMA222_AXIS_X], priv->fir.sum[BMA222_AXIS_Y], priv->fir.sum[BMA222_AXIS_Z]); } priv->fir.num++; priv->fir.idx++; } else { idx = priv->fir.idx % firlen; priv->fir.sum[BMA222_AXIS_X] -= priv->fir.raw[idx][BMA222_AXIS_X]; priv->fir.sum[BMA222_AXIS_Y] -= priv->fir.raw[idx][BMA222_AXIS_Y]; priv->fir.sum[BMA222_AXIS_Z] -= priv->fir.raw[idx][BMA222_AXIS_Z]; priv->fir.raw[idx][BMA222_AXIS_X] = data[BMA222_AXIS_X]; priv->fir.raw[idx][BMA222_AXIS_Y] = data[BMA222_AXIS_Y]; priv->fir.raw[idx][BMA222_AXIS_Z] = data[BMA222_AXIS_Z]; priv->fir.sum[BMA222_AXIS_X] += data[BMA222_AXIS_X]; priv->fir.sum[BMA222_AXIS_Y] += data[BMA222_AXIS_Y]; priv->fir.sum[BMA222_AXIS_Z] += data[BMA222_AXIS_Z]; priv->fir.idx++; data[BMA222_AXIS_X] = priv->fir.sum[BMA222_AXIS_X]/firlen; data[BMA222_AXIS_Y] = priv->fir.sum[BMA222_AXIS_Y]/firlen; data[BMA222_AXIS_Z] = priv->fir.sum[BMA222_AXIS_Z]/firlen; if(atomic_read(&priv->trace) & ADX_TRC_FILTER) { GSE_LOG("add [%2d] [%5d %5d %5d] => [%5d %5d %5d] : [%5d %5d %5d]\n", idx, priv->fir.raw[idx][BMA222_AXIS_X], priv->fir.raw[idx][BMA222_AXIS_Y], priv->fir.raw[idx][BMA222_AXIS_Z], priv->fir.sum[BMA222_AXIS_X], priv->fir.sum[BMA222_AXIS_Y], priv->fir.sum[BMA222_AXIS_Z], data[BMA222_AXIS_X], data[BMA222_AXIS_Y], data[BMA222_AXIS_Z]); } } } } #endif } return err; } /*----------------------------------------------------------------------------*/ static int BMA222_ReadOffset(struct i2c_client *client, s8 ofs[BMA222_AXES_NUM]) { int err; err = 0; #ifdef SW_CALIBRATION ofs[0]=ofs[1]=ofs[2]=0x0; #else if((err = bma_i2c_read_block(client, BMA222_REG_OFSX, ofs, BMA222_AXES_NUM))) { GSE_ERR("error: %d\n", err); } #endif //printk("offesx=%x, y=%x, z=%x",ofs[0],ofs[1],ofs[2]); return err; } /*----------------------------------------------------------------------------*/ static int BMA222_ResetCalibration(struct i2c_client *client) { struct bma222_i2c_data *obj = i2c_get_clientdata(client); //u8 ofs[4]={0,0,0,0}; int err = 0; #ifdef CUSTOM_KERNEL_SENSORHUB SCP_SENSOR_HUB_DATA data; BMA222_CUST_DATA *pCustData; unsigned int len; #endif #ifdef GSENSOR_UT GSE_FUN(); #endif #ifdef CUSTOM_KERNEL_SENSORHUB if (0 != obj->SCP_init_done) { pCustData = (BMA222_CUST_DATA *)&data.set_cust_req.custData; data.set_cust_req.sensorType = ID_ACCELEROMETER; data.set_cust_req.action = SENSOR_HUB_SET_CUST; pCustData->resetCali.action = BMA222_CUST_ACTION_RESET_CALI; len = offsetof(SCP_SENSOR_HUB_SET_CUST_REQ, custData) + sizeof(pCustData->resetCali); SCP_sensorHub_req_send(&data, &len, 1); } #endif memset(obj->cali_sw, 0x00, sizeof(obj->cali_sw)); memset(obj->offset, 0x00, sizeof(obj->offset)); return err; } /*----------------------------------------------------------------------------*/ static int BMA222_ReadCalibration(struct i2c_client *client, int dat[BMA222_AXES_NUM]) { struct bma222_i2c_data *obj = i2c_get_clientdata(client); int err = 0; int mul; GSE_FUN(); #ifdef SW_CALIBRATION mul = 0;//only SW Calibration, disable HW Calibration #else if ((err = BMA222_ReadOffset(client, obj->offset))) { GSE_ERR("read offset fail, %d\n", err); return err; } mul = obj->reso->sensitivity/bma222_offset_resolution.sensitivity; #endif dat[obj->cvt.map[BMA222_AXIS_X]] = obj->cvt.sign[BMA222_AXIS_X]*(obj->offset[BMA222_AXIS_X]*mul + obj->cali_sw[BMA222_AXIS_X]); dat[obj->cvt.map[BMA222_AXIS_Y]] = obj->cvt.sign[BMA222_AXIS_Y]*(obj->offset[BMA222_AXIS_Y]*mul + obj->cali_sw[BMA222_AXIS_Y]); dat[obj->cvt.map[BMA222_AXIS_Z]] = obj->cvt.sign[BMA222_AXIS_Z]*(obj->offset[BMA222_AXIS_Z]*mul + obj->cali_sw[BMA222_AXIS_Z]); return err; } /*----------------------------------------------------------------------------*/ static int BMA222_ReadCalibrationEx(struct i2c_client *client, int act[BMA222_AXES_NUM], int raw[BMA222_AXES_NUM]) { /*raw: the raw calibration data; act: the actual calibration data*/ struct bma222_i2c_data *obj = i2c_get_clientdata(client); int err; int mul; err = 0; #ifdef SW_CALIBRATION mul = 0;//only SW Calibration, disable HW Calibration #else if((err = BMA222_ReadOffset(client, obj->offset))) { GSE_ERR("read offset fail, %d\n", err); return err; } mul = obj->reso->sensitivity/bma222_offset_resolution.sensitivity; #endif raw[BMA222_AXIS_X] = obj->offset[BMA222_AXIS_X]*mul + obj->cali_sw[BMA222_AXIS_X]; raw[BMA222_AXIS_Y] = obj->offset[BMA222_AXIS_Y]*mul + obj->cali_sw[BMA222_AXIS_Y]; raw[BMA222_AXIS_Z] = obj->offset[BMA222_AXIS_Z]*mul + obj->cali_sw[BMA222_AXIS_Z]; act[obj->cvt.map[BMA222_AXIS_X]] = obj->cvt.sign[BMA222_AXIS_X]*raw[BMA222_AXIS_X]; act[obj->cvt.map[BMA222_AXIS_Y]] = obj->cvt.sign[BMA222_AXIS_Y]*raw[BMA222_AXIS_Y]; act[obj->cvt.map[BMA222_AXIS_Z]] = obj->cvt.sign[BMA222_AXIS_Z]*raw[BMA222_AXIS_Z]; return 0; } /*----------------------------------------------------------------------------*/ static int BMA222_WriteCalibration(struct i2c_client *client, int dat[BMA222_AXES_NUM]) { struct bma222_i2c_data *obj = i2c_get_clientdata(client); int err = 0; int cali[BMA222_AXES_NUM], raw[BMA222_AXES_NUM]; #ifdef CUSTOM_KERNEL_SENSORHUB SCP_SENSOR_HUB_DATA data; BMA222_CUST_DATA *pCustData; unsigned int len; #endif if(0 != (err = BMA222_ReadCalibrationEx(client, cali, raw))) /*offset will be updated in obj->offset*/ { GSE_ERR("read offset fail, %d\n", err); return err; } GSE_LOG("OLDOFF: (%+3d %+3d %+3d): (%+3d %+3d %+3d) / (%+3d %+3d %+3d)\n", raw[BMA222_AXIS_X], raw[BMA222_AXIS_Y], raw[BMA222_AXIS_Z], obj->offset[BMA222_AXIS_X], obj->offset[BMA222_AXIS_Y], obj->offset[BMA222_AXIS_Z], obj->cali_sw[BMA222_AXIS_X], obj->cali_sw[BMA222_AXIS_Y], obj->cali_sw[BMA222_AXIS_Z]); #ifdef CUSTOM_KERNEL_SENSORHUB pCustData = (BMA222_CUST_DATA *)data.set_cust_req.custData; data.set_cust_req.sensorType = ID_ACCELEROMETER; data.set_cust_req.action = SENSOR_HUB_SET_CUST; pCustData->setCali.action = BMA222_CUST_ACTION_SET_CALI; pCustData->setCali.data[BMA222_AXIS_X] = dat[BMA222_AXIS_X]; pCustData->setCali.data[BMA222_AXIS_Y] = dat[BMA222_AXIS_Y]; pCustData->setCali.data[BMA222_AXIS_Z] = dat[BMA222_AXIS_Z]; len = offsetof(SCP_SENSOR_HUB_SET_CUST_REQ, custData) + sizeof(pCustData->setCali); SCP_sensorHub_req_send(&data, &len, 1); #endif /*calculate the real offset expected by caller*/ cali[BMA222_AXIS_X] += dat[BMA222_AXIS_X]; cali[BMA222_AXIS_Y] += dat[BMA222_AXIS_Y]; cali[BMA222_AXIS_Z] += dat[BMA222_AXIS_Z]; GSE_LOG("UPDATE: (%+3d %+3d %+3d)\n", dat[BMA222_AXIS_X], dat[BMA222_AXIS_Y], dat[BMA222_AXIS_Z]); #ifdef SW_CALIBRATION obj->cali_sw[BMA222_AXIS_X] = obj->cvt.sign[BMA222_AXIS_X]*(cali[obj->cvt.map[BMA222_AXIS_X]]); obj->cali_sw[BMA222_AXIS_Y] = obj->cvt.sign[BMA222_AXIS_Y]*(cali[obj->cvt.map[BMA222_AXIS_Y]]); obj->cali_sw[BMA222_AXIS_Z] = obj->cvt.sign[BMA222_AXIS_Z]*(cali[obj->cvt.map[BMA222_AXIS_Z]]); #else int divisor = obj->reso->sensitivity/lsb;//modified obj->offset[BMA222_AXIS_X] = (s8)(obj->cvt.sign[BMA222_AXIS_X]*(cali[obj->cvt.map[BMA222_AXIS_X]])/(divisor)); obj->offset[BMA222_AXIS_Y] = (s8)(obj->cvt.sign[BMA222_AXIS_Y]*(cali[obj->cvt.map[BMA222_AXIS_Y]])/(divisor)); obj->offset[BMA222_AXIS_Z] = (s8)(obj->cvt.sign[BMA222_AXIS_Z]*(cali[obj->cvt.map[BMA222_AXIS_Z]])/(divisor)); /*convert software calibration using standard calibration*/ obj->cali_sw[BMA222_AXIS_X] = obj->cvt.sign[BMA222_AXIS_X]*(cali[obj->cvt.map[BMA222_AXIS_X]])%(divisor); obj->cali_sw[BMA222_AXIS_Y] = obj->cvt.sign[BMA222_AXIS_Y]*(cali[obj->cvt.map[BMA222_AXIS_Y]])%(divisor); obj->cali_sw[BMA222_AXIS_Z] = obj->cvt.sign[BMA222_AXIS_Z]*(cali[obj->cvt.map[BMA222_AXIS_Z]])%(divisor); GSE_LOG("NEWOFF: (%+3d %+3d %+3d): (%+3d %+3d %+3d) / (%+3d %+3d %+3d)\n", obj->offset[BMA222_AXIS_X]*divisor + obj->cali_sw[BMA222_AXIS_X], obj->offset[BMA222_AXIS_Y]*divisor + obj->cali_sw[BMA222_AXIS_Y], obj->offset[BMA222_AXIS_Z]*divisor + obj->cali_sw[BMA222_AXIS_Z], obj->offset[BMA222_AXIS_X], obj->offset[BMA222_AXIS_Y], obj->offset[BMA222_AXIS_Z], obj->cali_sw[BMA222_AXIS_X], obj->cali_sw[BMA222_AXIS_Y], obj->cali_sw[BMA222_AXIS_Z]); if((err = hwmsen_write_block(obj->client, BMA222_REG_OFSX, obj->offset, BMA222_AXES_NUM))) { GSE_ERR("write offset fail: %d\n", err); return err; } #endif mdelay(1); return err; } /*----------------------------------------------------------------------------*/ static int BMA222_CheckDeviceID(struct i2c_client *client) { u8 databuf[2]={0}; int res = 0; res = bma_i2c_read_block(client,BMA222_REG_DEVID,databuf,0x1); if(res < 0) { goto exit_BMA222_CheckDeviceID; } GSE_LOG("BMA222_CheckDeviceID %d done!\n ", databuf[0]); exit_BMA222_CheckDeviceID: if (res < 0) { GSE_ERR("BMA222_CheckDeviceID %d failt!\n ", BMA222_ERR_I2C); return BMA222_ERR_I2C; } mdelay(1); return BMA222_SUCCESS; } /*----------------------------------------------------------------------------*/ static int BMA222_SetPowerMode(struct i2c_client *client, bool enable) { struct bma222_i2c_data *obj = i2c_get_clientdata(client); int res = 0; u8 databuf[2]; u8 addr = BMA222_REG_POWER_CTL; if(enable == sensor_power ) { GSE_LOG("Sensor power status is newest!\n"); return BMA222_SUCCESS; } if(bma_i2c_read_block(client, addr, databuf, 0x01)) { GSE_ERR("read power ctl register err!\n"); return BMA222_ERR_I2C; } GSE_LOG("set power mode value = 0x%x!\n",databuf[0]); mdelay(1); if(enable == TRUE) { databuf[0] &= ~BMA222_MEASURE_MODE; } else { databuf[0] |= BMA222_MEASURE_MODE; } res = bma_i2c_write_block(client,BMA222_REG_POWER_CTL,databuf,0x1); if(res < 0) { GSE_LOG("set power mode failed!\n"); return BMA222_ERR_I2C; } else if(atomic_read(&obj->trace) & ADX_TRC_INFO) { GSE_LOG("set power mode ok %d!\n", databuf[1]); } sensor_power = enable; mdelay(1); //GSE_LOG("leave Sensor power status is sensor_power = %d\n",sensor_power); return BMA222_SUCCESS; } /*----------------------------------------------------------------------------*/ static int BMA222_SetDataFormat(struct i2c_client *client, u8 dataformat) { struct bma222_i2c_data *obj = i2c_get_clientdata(client); u8 databuf[10]={0}; int res = 0; if(bma_i2c_read_block(client, BMA222_REG_DATA_FORMAT, databuf, 0x01)) { printk("bma222 read Dataformat failt \n"); return BMA222_ERR_I2C; } mdelay(1); databuf[0] &= ~BMA222_RANGE_MASK; databuf[0] |= dataformat; res = bma_i2c_write_block(client,BMA222_REG_DATA_FORMAT,databuf,0x1); if(res < 0) { return BMA222_ERR_I2C; } //printk("BMA222_SetDataFormat OK! \n"); mdelay(1); return BMA222_SetDataResolution(obj); } /*----------------------------------------------------------------------------*/ static int BMA222_SetBWRate(struct i2c_client *client, u8 bwrate) { u8 databuf[10]={0}; int res = 0; if(bma_i2c_read_block(client, BMA222_REG_BW_RATE, databuf, 0x01)) { printk("bma222 read rate failt \n"); return BMA222_ERR_I2C; } mdelay(1); databuf[0] &= ~BMA222_BW_MASK; databuf[0] |= bwrate; res = bma_i2c_write_block(client,BMA222_REG_BW_RATE,databuf,0x1); if(res < 0) { return BMA222_ERR_I2C; } mdelay(1); //printk("BMA222_SetBWRate OK! \n"); return BMA222_SUCCESS; } /*----------------------------------------------------------------------------*/ static int BMA222_SetIntEnable(struct i2c_client *client, u8 intenable) { //u8 databuf[10]; int res = 0; res = hwmsen_write_byte(client, BMA222_INT_REG_1, 0x00); if(res != BMA222_SUCCESS) { return res; } mdelay(1); res = hwmsen_write_byte(client, BMA222_INT_REG_2, 0x00); if(res != BMA222_SUCCESS) { return res; } //printk("BMA222 disable interrupt ...\n"); /*for disable interrupt function*/ mdelay(1); return BMA222_SUCCESS; } /*----------------------------------------------------------------------------*/ static int bma222_init_client(struct i2c_client *client, int reset_cali) { struct bma222_i2c_data *obj = i2c_get_clientdata(client); int res = 0; GSE_FUN(); res = BMA222_CheckDeviceID(client); if(res != BMA222_SUCCESS) { return res; } //printk("BMA222_CheckDeviceID ok \n"); res = BMA222_SetBWRate(client, BMA222_BW_100HZ); if(res != BMA222_SUCCESS ) { return res; } //printk("BMA222_SetBWRate OK!\n"); res = BMA222_SetDataFormat(client, BMA222_RANGE_2G); if(res != BMA222_SUCCESS) { return res; } //printk("BMA222_SetDataFormat OK!\n"); gsensor_gain.x = gsensor_gain.y = gsensor_gain.z = obj->reso->sensitivity; #ifdef CUSTOM_KERNEL_SENSORHUB res = gsensor_setup_irq(); if(res != BMA222_SUCCESS) { return res; } #endif//#ifdef CUSTOM_KERNEL_SENSORHUB res = BMA222_SetIntEnable(client, 0x00); if(res != BMA222_SUCCESS) { return res; } //printk("BMA222 disable interrupt function!\n"); res = BMA222_SetPowerMode(client, enable_status);//false);// if(res != BMA222_SUCCESS) { return res; } //printk("BMA222_SetPowerMode OK!\n"); if(0 != reset_cali) { /*reset calibration only in power on*/ res = BMA222_ResetCalibration(client); if(res != BMA222_SUCCESS) { return res; } } GSE_LOG("bma222_init_client OK!\n"); #ifdef CONFIG_BMA222_LOWPASS memset(&obj->fir, 0x00, sizeof(obj->fir)); #endif return BMA222_SUCCESS; } /*----------------------------------------------------------------------------*/ static int BMA222_ReadChipInfo(struct i2c_client *client, char *buf, int bufsize) { u8 databuf[10]; memset(databuf, 0, sizeof(u8)*10); if((NULL == buf)||(bufsize<=30)) { return -1; } if(NULL == client) { *buf = 0; return -2; } sprintf(buf, "BMA222 Chip"); return 0; } /*----------------------------------------------------------------------------*/ static int BMA222_ReadSensorData(struct i2c_client *client, char *buf, int bufsize) { struct bma222_i2c_data *obj = (struct bma222_i2c_data*)i2c_get_clientdata(client); u8 databuf[20]; int acc[BMA222_AXES_NUM]; int res = 0; memset(databuf, 0, sizeof(u8)*10); if(NULL == buf) { return -1; } if(NULL == client) { *buf = 0; return -2; } if(sensor_suspend == 1) { //GSE_LOG("sensor in suspend read not data!\n"); return 0; } if((res = BMA222_ReadData(client, obj->data))!=0) { GSE_ERR("I2C error: ret value=%d", res); return -3; } else { #if 0 // CUSTOM_KERNEL_SENSORHUB acc[BMA222_AXIS_X] = obj->data[BMA222_AXIS_X]; acc[BMA222_AXIS_Y] = obj->data[BMA222_AXIS_Y]; acc[BMA222_AXIS_Z] = obj->data[BMA222_AXIS_Z]; //data has been calibrated in SCP side. #else //#ifdef CUSTOM_KERNEL_SENSORHUB //GSE_LOG("raw data x=%d, y=%d, z=%d \n",obj->data[BMA222_AXIS_X],obj->data[BMA222_AXIS_Y],obj->data[BMA222_AXIS_Z]); obj->data[BMA222_AXIS_X] += obj->cali_sw[BMA222_AXIS_X]; obj->data[BMA222_AXIS_Y] += obj->cali_sw[BMA222_AXIS_Y]; obj->data[BMA222_AXIS_Z] += obj->cali_sw[BMA222_AXIS_Z]; //printk("cali_sw x=%d, y=%d, z=%d \n",obj->cali_sw[BMA150_AXIS_X],obj->cali_sw[BMA150_AXIS_Y],obj->cali_sw[BMA150_AXIS_Z]); /*remap coordinate*/ acc[obj->cvt.map[BMA222_AXIS_X]] = obj->cvt.sign[BMA222_AXIS_X]*obj->data[BMA222_AXIS_X]; acc[obj->cvt.map[BMA222_AXIS_Y]] = obj->cvt.sign[BMA222_AXIS_Y]*obj->data[BMA222_AXIS_Y]; acc[obj->cvt.map[BMA222_AXIS_Z]] = obj->cvt.sign[BMA222_AXIS_Z]*obj->data[BMA222_AXIS_Z]; //printk("cvt x=%d, y=%d, z=%d \n",obj->cvt.sign[BMA150_AXIS_X],obj->cvt.sign[BMA150_AXIS_Y],obj->cvt.sign[BMA150_AXIS_Z]); //GSE_LOG("Mapped gsensor data: %d, %d, %d!\n", acc[BMA150_AXIS_X], acc[BMA150_AXIS_Y], acc[BMA150_AXIS_Z]); //Out put the mg //printk("mg acc=%d, GRAVITY=%d, sensityvity=%d \n",acc[BMA150_AXIS_X],GRAVITY_EARTH_1000,obj->reso->sensitivity); acc[BMA222_AXIS_X] = acc[BMA222_AXIS_X] * GRAVITY_EARTH_1000 / obj->reso->sensitivity; acc[BMA222_AXIS_Y] = acc[BMA222_AXIS_Y] * GRAVITY_EARTH_1000 / obj->reso->sensitivity; acc[BMA222_AXIS_Z] = acc[BMA222_AXIS_Z] * GRAVITY_EARTH_1000 / obj->reso->sensitivity; #endif //#ifdef CUSTOM_KERNEL_SENSORHUB sprintf(buf, "%04x %04x %04x", acc[BMA222_AXIS_X], acc[BMA222_AXIS_Y], acc[BMA222_AXIS_Z]); if(atomic_read(&obj->trace) & ADX_TRC_IOCTL) { GSE_LOG("gsensor data: %s!\n", buf); } } return 0; } /*----------------------------------------------------------------------------*/ static int BMA222_ReadRawData(struct i2c_client *client, char *buf) { struct bma222_i2c_data *obj = (struct bma222_i2c_data*)i2c_get_clientdata(client); int res = 0; if (!buf || !client) { return EINVAL; } if(0 != (res = BMA222_ReadData(client, obj->data))) { GSE_ERR("I2C error: ret value=%d", res); return EIO; } else { sprintf(buf, "BMA222_ReadRawData %04x %04x %04x", obj->data[BMA222_AXIS_X], obj->data[BMA222_AXIS_Y], obj->data[BMA222_AXIS_Z]); } return 0; } /*----------------------------------------------------------------------------*/ static ssize_t show_chipinfo_value(struct device_driver *ddri, char *buf) { struct i2c_client *client = bma222_i2c_client; char strbuf[BMA222_BUFSIZE]; if(NULL == client) { GSE_ERR("i2c client is null!!\n"); return 0; } BMA222_ReadChipInfo(client, strbuf, BMA222_BUFSIZE); return snprintf(buf, PAGE_SIZE, "%s\n", strbuf); } #if 0 static ssize_t gsensor_init(struct device_driver *ddri, char *buf, size_t count) { struct i2c_client *client = bma222_i2c_client; char strbuf[BMA222_BUFSIZE]; if(NULL == client) { GSE_ERR("i2c client is null!!\n"); return 0; } bma222_init_client(client, 1); return snprintf(buf, PAGE_SIZE, "%s\n", strbuf); } #endif /*----------------------------------------------------------------------------*/ static ssize_t show_sensordata_value(struct device_driver *ddri, char *buf) { struct i2c_client *client = bma222_i2c_client; char strbuf[BMA222_BUFSIZE]; if(NULL == client) { GSE_ERR("i2c client is null!!\n"); return 0; } BMA222_ReadSensorData(client, strbuf, BMA222_BUFSIZE); //BMA150_ReadRawData(client, strbuf); return snprintf(buf, PAGE_SIZE, "%s\n", strbuf); } #if 0 static ssize_t show_sensorrawdata_value(struct device_driver *ddri, char *buf, size_t count) { struct i2c_client *client = bma222_i2c_client; char strbuf[BMA222_BUFSIZE]; if(NULL == client) { GSE_ERR("i2c client is null!!\n"); return 0; } //BMA150_ReadSensorData(client, strbuf, BMA150_BUFSIZE); BMA222_ReadRawData(client, strbuf); return snprintf(buf, PAGE_SIZE, "%s\n", strbuf); } #endif /*----------------------------------------------------------------------------*/ #if 1 static ssize_t show_cali_value(struct device_driver *ddri, char *buf) { struct i2c_client *client = bma222_i2c_client; struct bma222_i2c_data *obj; int err, len = 0, mul; int tmp[BMA222_AXES_NUM]; if(NULL == client) { GSE_ERR("i2c client is null!!\n"); return 0; } obj = i2c_get_clientdata(client); if(0 != (err = BMA222_ReadOffset(client, obj->offset))) { return -EINVAL; } else if(0 != (err = BMA222_ReadCalibration(client, tmp))) { return -EINVAL; } else { mul = obj->reso->sensitivity/bma222_offset_resolution.sensitivity; len += snprintf(buf+len, PAGE_SIZE-len, "[HW ][%d] (%+3d, %+3d, %+3d) : (0x%02X, 0x%02X, 0x%02X)\n", mul, obj->offset[BMA222_AXIS_X], obj->offset[BMA222_AXIS_Y], obj->offset[BMA222_AXIS_Z], obj->offset[BMA222_AXIS_X], obj->offset[BMA222_AXIS_Y], obj->offset[BMA222_AXIS_Z]); len += snprintf(buf+len, PAGE_SIZE-len, "[SW ][%d] (%+3d, %+3d, %+3d)\n", 1, obj->cali_sw[BMA222_AXIS_X], obj->cali_sw[BMA222_AXIS_Y], obj->cali_sw[BMA222_AXIS_Z]); len += snprintf(buf+len, PAGE_SIZE-len, "[ALL] (%+3d, %+3d, %+3d) : (%+3d, %+3d, %+3d)\n", obj->offset[BMA222_AXIS_X]*mul + obj->cali_sw[BMA222_AXIS_X], obj->offset[BMA222_AXIS_Y]*mul + obj->cali_sw[BMA222_AXIS_Y], obj->offset[BMA222_AXIS_Z]*mul + obj->cali_sw[BMA222_AXIS_Z], tmp[BMA222_AXIS_X], tmp[BMA222_AXIS_Y], tmp[BMA222_AXIS_Z]); return len; } } /*----------------------------------------------------------------------------*/ static ssize_t store_cali_value(struct device_driver *ddri, const char *buf, size_t count) { struct i2c_client *client = bma222_i2c_client; int err, x, y, z; int dat[BMA222_AXES_NUM]; if(!strncmp(buf, "rst", 3)) { if(0 != (err = BMA222_ResetCalibration(client))) { GSE_ERR("reset offset err = %d\n", err); } } else if(3 == sscanf(buf, "0x%02X 0x%02X 0x%02X", &x, &y, &z)) { dat[BMA222_AXIS_X] = x; dat[BMA222_AXIS_Y] = y; dat[BMA222_AXIS_Z] = z; if(0 != (err = BMA222_WriteCalibration(client, dat))) { GSE_ERR("write calibration err = %d\n", err); } } else { GSE_ERR("invalid format\n"); } return count; } #endif /*----------------------------------------------------------------------------*/ static ssize_t show_firlen_value(struct device_driver *ddri, char *buf) { #ifdef CONFIG_BMA222_LOWPASS struct i2c_client *client = bma222_i2c_client; struct bma222_i2c_data *obj = i2c_get_clientdata(client); if(atomic_read(&obj->firlen)) { int idx, len = atomic_read(&obj->firlen); GSE_LOG("len = %2d, idx = %2d\n", obj->fir.num, obj->fir.idx); for(idx = 0; idx < len; idx++) { GSE_LOG("[%5d %5d %5d]\n", obj->fir.raw[idx][BMA222_AXIS_X], obj->fir.raw[idx][BMA222_AXIS_Y], obj->fir.raw[idx][BMA222_AXIS_Z]); } GSE_LOG("sum = [%5d %5d %5d]\n", obj->fir.sum[BMA222_AXIS_X], obj->fir.sum[BMA222_AXIS_Y], obj->fir.sum[BMA222_AXIS_Z]); GSE_LOG("avg = [%5d %5d %5d]\n", obj->fir.sum[BMA222_AXIS_X]/len, obj->fir.sum[BMA222_AXIS_Y]/len, obj->fir.sum[BMA222_AXIS_Z]/len); } return snprintf(buf, PAGE_SIZE, "%d\n", atomic_read(&obj->firlen)); #else return snprintf(buf, PAGE_SIZE, "not support\n"); #endif } /*----------------------------------------------------------------------------*/ static ssize_t store_firlen_value(struct device_driver *ddri, const char *buf, size_t count) { #ifdef CONFIG_BMA222_LOWPASS struct i2c_client *client = bma222_i2c_client; struct bma222_i2c_data *obj = i2c_get_clientdata(client); int firlen; if(1 != sscanf(buf, "%d", &firlen)) { GSE_ERR("invallid format\n"); } else if(firlen > C_MAX_FIR_LENGTH) { GSE_ERR("exceeds maximum filter length\n"); } else { atomic_set(&obj->firlen, firlen); if(NULL == firlen) { atomic_set(&obj->fir_en, 0); } else { memset(&obj->fir, 0x00, sizeof(obj->fir)); atomic_set(&obj->fir_en, 1); } } #endif return count; } /*----------------------------------------------------------------------------*/ static ssize_t show_trace_value(struct device_driver *ddri, char *buf) { ssize_t res; struct bma222_i2c_data *obj = obj_i2c_data; if (obj == NULL) { GSE_ERR("i2c_data obj is null!!\n"); return 0; } res = snprintf(buf, PAGE_SIZE, "0x%04X\n", atomic_read(&obj->trace)); return res; } /*----------------------------------------------------------------------------*/ static ssize_t store_trace_value(struct device_driver *ddri, const char *buf, size_t count) { struct bma222_i2c_data *obj = obj_i2c_data; int trace; if (obj == NULL) { GSE_ERR("i2c_data obj is null!!\n"); return 0; } if(1 == sscanf(buf, "0x%x", &trace)) { atomic_set(&obj->trace, trace); } else { GSE_ERR("invalid content: '%s', length = %d\n", buf, (int)count); } return count; } /*----------------------------------------------------------------------------*/ static ssize_t show_status_value(struct device_driver *ddri, char *buf) { ssize_t len = 0; struct bma222_i2c_data *obj = obj_i2c_data; if (obj == NULL) { GSE_ERR("i2c_data obj is null!!\n"); return 0; } if(obj->hw) { len += snprintf(buf+len, PAGE_SIZE-len, "CUST: %d %d (%d %d)\n", obj->hw->i2c_num, obj->hw->direction, obj->hw->power_id, obj->hw->power_vol); } else { len += snprintf(buf+len, PAGE_SIZE-len, "CUST: NULL\n"); } return len; } /*----------------------------------------------------------------------------*/ static ssize_t show_power_status_value(struct device_driver *ddri, char *buf) { u8 databuf[2]; //int res = 0; u8 addr = BMA222_REG_POWER_CTL; struct bma222_i2c_data *obj = obj_i2c_data; if(bma_i2c_read_block(obj->client, addr, databuf, 0x01)) { GSE_ERR("read power ctl register err!\n"); return 1; } if(sensor_power) GSE_LOG("G sensor is in work mode, sensor_power = %d\n", sensor_power); else GSE_LOG("G sensor is in standby mode, sensor_power = %d\n", sensor_power); return snprintf(buf, PAGE_SIZE, "%x\n", databuf[0]); } static ssize_t show_chip_orientation(struct device_driver *ddri, char *pbBuf) { ssize_t _tLength = 0; struct acc_hw *_ptAccelHw = get_cust_acc_hw(); GSE_LOG("[%s] default direction: %d\n", __func__, _ptAccelHw->direction); _tLength = snprintf(pbBuf, PAGE_SIZE, "default direction = %d\n", _ptAccelHw->direction); return (_tLength); } static ssize_t store_chip_orientation(struct device_driver *ddri, const char *pbBuf, size_t tCount) { int _nDirection = 0; struct bma222_i2c_data *_pt_i2c_obj = obj_i2c_data; if (NULL == _pt_i2c_obj) return (0); if (1 == sscanf(pbBuf, "%d", &_nDirection)) { if (hwmsen_get_convert(_nDirection, &_pt_i2c_obj->cvt)) GSE_ERR("ERR: fail to set direction\n"); } GSE_LOG("[%s] set direction: %d\n", __func__, _nDirection); return (tCount); } /*----------------------------------------------------------------------------*/ static DRIVER_ATTR(chipinfo, S_IWUSR | S_IRUGO, show_chipinfo_value, NULL); static DRIVER_ATTR(sensordata, S_IWUSR | S_IRUGO, show_sensordata_value, NULL); static DRIVER_ATTR(cali, S_IWUSR | S_IRUGO, show_cali_value, store_cali_value); static DRIVER_ATTR(firlen, S_IWUSR | S_IRUGO, show_firlen_value, store_firlen_value); static DRIVER_ATTR(trace, S_IWUSR | S_IRUGO, show_trace_value, store_trace_value); static DRIVER_ATTR(status, S_IRUGO, show_status_value, NULL); static DRIVER_ATTR(powerstatus, S_IRUGO, show_power_status_value, NULL); static DRIVER_ATTR(orientation, S_IWUSR | S_IRUGO, show_chip_orientation, store_chip_orientation); /*----------------------------------------------------------------------------*/ static struct driver_attribute *bma222_attr_list[] = { &driver_attr_chipinfo, /*chip information*/ &driver_attr_sensordata, /*dump sensor data*/ &driver_attr_cali, /*show calibration data*/ &driver_attr_firlen, /*filter length: 0: disable, others: enable*/ &driver_attr_trace, /*trace log*/ &driver_attr_status, &driver_attr_powerstatus, &driver_attr_orientation, }; /*----------------------------------------------------------------------------*/ static int bma222_create_attr(struct device_driver *driver) { int idx, err = 0; int num = (int)(sizeof(bma222_attr_list)/sizeof(bma222_attr_list[0])); if (driver == NULL) { return -EINVAL; } for(idx = 0; idx < num; idx++) { if(0 != (err = driver_create_file(driver, bma222_attr_list[idx]))) { GSE_ERR("driver_create_file (%s) = %d\n", bma222_attr_list[idx]->attr.name, err); break; } } return err; } /*----------------------------------------------------------------------------*/ static int bma222_delete_attr(struct device_driver *driver) { int idx ,err = 0; int num = (int)(sizeof(bma222_attr_list)/sizeof(bma222_attr_list[0])); if(driver == NULL) { return -EINVAL; } for(idx = 0; idx < num; idx++) { driver_remove_file(driver, bma222_attr_list[idx]); } return err; } /*----------------------------------------------------------------------------*/ #ifdef CUSTOM_KERNEL_SENSORHUB static void gsensor_irq_work(struct work_struct *work) { struct bma222_i2c_data *obj = obj_i2c_data; struct scp_acc_hw scp_hw; BMA222_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 *)&scp_hw; GSE_FUN(); scp_hw.i2c_num = obj->hw->i2c_num; scp_hw.direction = obj->hw->direction; scp_hw.power_id = obj->hw->power_id; scp_hw.power_vol = obj->hw->power_vol; scp_hw.firlen = obj->hw->firlen; memcpy(scp_hw.i2c_addr, obj->hw->i2c_addr, sizeof(obj->hw->i2c_addr)); scp_hw.power_vio_id = obj->hw->power_vio_id; scp_hw.power_vio_vol = obj->hw->power_vio_vol; scp_hw.is_batch_supported = obj->hw->is_batch_supported; p_cust_data = (BMA222_CUST_DATA *)data.set_cust_req.custData; sizeOfCustData = sizeof(scp_hw); max_cust_data_size_per_packet = sizeof(data.set_cust_req.custData) - offsetof(BMA222_SET_CUST, data); GSE_ERR("sizeOfCustData = %d, max_cust_data_size_per_packet = %d\n", sizeOfCustData, max_cust_data_size_per_packet); GSE_ERR("offset %d\n", offsetof(BMA222_SET_CUST, data)); for (i=0;sizeOfCustData>0;i++) { data.set_cust_req.sensorType = ID_ACCELEROMETER; data.set_cust_req.action = SENSOR_HUB_SET_CUST; p_cust_data->setCust.action = BMA222_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; GSE_ERR("i= %d, sizeOfCustData = %d, len = %d \n", i, sizeOfCustData, len); len += offsetof(SCP_SENSOR_HUB_SET_CUST_REQ, custData) + offsetof(BMA222_SET_CUST, data); GSE_ERR("data.set_cust_req.sensorType= %d \n", data.set_cust_req.sensorType); SCP_sensorHub_req_send(&data, &len, 1); } p_cust_data = (BMA222_CUST_DATA *)&data.set_cust_req.custData; data.set_cust_req.sensorType = ID_ACCELEROMETER; data.set_cust_req.action = SENSOR_HUB_SET_CUST; p_cust_data->resetCali.action = BMA222_CUST_ACTION_RESET_CALI; len = offsetof(SCP_SENSOR_HUB_SET_CUST_REQ, custData) + sizeof(p_cust_data->resetCali); SCP_sensorHub_req_send(&data, &len, 1); obj->SCP_init_done = 1; } /*----------------------------------------------------------------------------*/ static int gsensor_irq_handler(void* data, uint len) { struct bma222_i2c_data *obj = obj_i2c_data; SCP_SENSOR_HUB_DATA_P rsp = (SCP_SENSOR_HUB_DATA_P)data; GSE_ERR("gsensor_irq_handler len = %d, type = %d, action = %d, errCode = %d\n", len, rsp->rsp.sensorType, rsp->rsp.action, rsp->rsp.errCode); if(!obj) { return -1; } switch(rsp->rsp.action) { case SENSOR_HUB_NOTIFY: switch(rsp->notify_rsp.event) { case SCP_INIT_DONE: schedule_work(&obj->irq_work); GSE_ERR("OK sensor hub notify\n"); break; default: GSE_ERR("Error sensor hub notify\n"); break; } break; default: GSE_ERR("Error sensor hub action\n"); break; } return 0; } static int gsensor_setup_irq() { int err = 0; err = SCP_sensorHub_rsp_registration(ID_ACCELEROMETER, gsensor_irq_handler); return err; } #endif//#ifdef CUSTOM_KERNEL_SENSORHUB /****************************************************************************** * Function Configuration ******************************************************************************/ static int bma222_open(struct inode *inode, struct file *file) { file->private_data = bma222_i2c_client; if(file->private_data == NULL) { GSE_ERR("null pointer!!\n"); return -EINVAL; } return nonseekable_open(inode, file); } /*----------------------------------------------------------------------------*/ static int bma222_release(struct inode *inode, struct file *file) { file->private_data = NULL; return 0; } /*----------------------------------------------------------------------------*/ //static int bma222_ioctl(struct inode *inode, struct file *file, unsigned int cmd, // unsigned long arg) static long bma222_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct i2c_client *client = (struct i2c_client*)file->private_data; struct bma222_i2c_data *obj = (struct bma222_i2c_data*)i2c_get_clientdata(client); char strbuf[BMA222_BUFSIZE]; void __user *data; SENSOR_DATA sensor_data; long err = 0; int cali[3]; //GSE_FUN(f); if(_IOC_DIR(cmd) & _IOC_READ) { err = !access_ok(VERIFY_WRITE, (void __user *)arg, _IOC_SIZE(cmd)); } else if(_IOC_DIR(cmd) & _IOC_WRITE) { err = !access_ok(VERIFY_READ, (void __user *)arg, _IOC_SIZE(cmd)); } if(err) { GSE_ERR("access error: %08X, (%2d, %2d)\n", cmd, _IOC_DIR(cmd), _IOC_SIZE(cmd)); return -EFAULT; } switch(cmd) { case GSENSOR_IOCTL_INIT: bma222_init_client(client, 0); break; case GSENSOR_IOCTL_READ_CHIPINFO: data = (void __user *) arg; if(data == NULL) { err = -EINVAL; break; } BMA222_ReadChipInfo(client, strbuf, BMA222_BUFSIZE); if(copy_to_user(data, strbuf, strlen(strbuf)+1)) { err = -EFAULT; break; } break; case GSENSOR_IOCTL_READ_SENSORDATA: data = (void __user *) arg; if(data == NULL) { err = -EINVAL; break; } BMA222_SetPowerMode(client,true); BMA222_ReadSensorData(client, strbuf, BMA222_BUFSIZE); if(copy_to_user(data, strbuf, strlen(strbuf)+1)) { err = -EFAULT; break; } break; case GSENSOR_IOCTL_READ_GAIN: data = (void __user *) arg; if(data == NULL) { err = -EINVAL; break; } if(copy_to_user(data, &gsensor_gain, sizeof(GSENSOR_VECTOR3D))) { err = -EFAULT; break; } break; case GSENSOR_IOCTL_READ_RAW_DATA: data = (void __user *) arg; if(data == NULL) { err = -EINVAL; break; } BMA222_ReadRawData(client, strbuf); if(copy_to_user(data, &strbuf, strlen(strbuf)+1)) { err = -EFAULT; break; } break; case GSENSOR_IOCTL_SET_CALI: data = (void __user*)arg; if(data == NULL) { err = -EINVAL; break; } if(copy_from_user(&sensor_data, data, sizeof(sensor_data))) { err = -EFAULT; break; } if(atomic_read(&obj->suspend)) { GSE_ERR("Perform calibration in suspend state!!\n"); err = -EINVAL; } else { cali[BMA222_AXIS_X] = sensor_data.x * obj->reso->sensitivity / GRAVITY_EARTH_1000; cali[BMA222_AXIS_Y] = sensor_data.y * obj->reso->sensitivity / GRAVITY_EARTH_1000; cali[BMA222_AXIS_Z] = sensor_data.z * obj->reso->sensitivity / GRAVITY_EARTH_1000; err = BMA222_WriteCalibration(client, cali); } break; case GSENSOR_IOCTL_CLR_CALI: err = BMA222_ResetCalibration(client); break; case GSENSOR_IOCTL_GET_CALI: data = (void __user*)arg; if(data == NULL) { err = -EINVAL; break; } if(0 != (err = BMA222_ReadCalibration(client, cali))) { break; } sensor_data.x = cali[BMA222_AXIS_X] * GRAVITY_EARTH_1000 / obj->reso->sensitivity; sensor_data.y = cali[BMA222_AXIS_Y] * GRAVITY_EARTH_1000 / obj->reso->sensitivity; sensor_data.z = cali[BMA222_AXIS_Z] * GRAVITY_EARTH_1000 / obj->reso->sensitivity; if(copy_to_user(data, &sensor_data, sizeof(sensor_data))) { err = -EFAULT; break; } break; default: GSE_ERR("unknown IOCTL: 0x%08x\n", cmd); err = -ENOIOCTLCMD; break; } return err; } #ifdef CONFIG_COMPAT static long bma222_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { long err = 0; void __user *arg32 = compat_ptr(arg); if (!file->f_op || !file->f_op->unlocked_ioctl) return -ENOTTY; switch (cmd) { case COMPAT_GSENSOR_IOCTL_READ_SENSORDATA: if (arg32 == NULL) { err = -EINVAL; break; } err = file->f_op->unlocked_ioctl(file, GSENSOR_IOCTL_READ_SENSORDATA, (unsigned long)arg32); if (err){ GSE_ERR("GSENSOR_IOCTL_READ_SENSORDATA unlocked_ioctl failed."); return err; } break; case COMPAT_GSENSOR_IOCTL_SET_CALI: if (arg32 == NULL) { err = -EINVAL; break; } err = file->f_op->unlocked_ioctl(file, GSENSOR_IOCTL_SET_CALI, (unsigned long)arg32); if (err){ GSE_ERR("GSENSOR_IOCTL_SET_CALI unlocked_ioctl failed."); return err; } break; case COMPAT_GSENSOR_IOCTL_GET_CALI: if (arg32 == NULL) { err = -EINVAL; break; } err = file->f_op->unlocked_ioctl(file, GSENSOR_IOCTL_GET_CALI, (unsigned long)arg32); if (err){ GSE_ERR("GSENSOR_IOCTL_GET_CALI unlocked_ioctl failed."); return err; } break; case COMPAT_GSENSOR_IOCTL_CLR_CALI: if (arg32 == NULL) { err = -EINVAL; break; } err = file->f_op->unlocked_ioctl(file, GSENSOR_IOCTL_CLR_CALI, (unsigned long)arg32); if (err){ GSE_ERR("GSENSOR_IOCTL_CLR_CALI unlocked_ioctl failed."); return err; } break; default: GSE_ERR("unknown IOCTL: 0x%08x\n", cmd); err = -ENOIOCTLCMD; break; } return err; } #endif /*----------------------------------------------------------------------------*/ static struct file_operations bma222_fops = { .owner = THIS_MODULE, .open = bma222_open, .release = bma222_release, .unlocked_ioctl = bma222_unlocked_ioctl, #ifdef CONFIG_COMPAT .compat_ioctl = bma222_compat_ioctl, #endif }; /*----------------------------------------------------------------------------*/ static struct miscdevice bma222_device = { .minor = MISC_DYNAMIC_MINOR, .name = "gsensor", .fops = &bma222_fops, }; /*----------------------------------------------------------------------------*/ #ifndef USE_EARLY_SUSPEND /*----------------------------------------------------------------------------*/ static int bma222_suspend(struct i2c_client *client, pm_message_t msg) { struct bma222_i2c_data *obj = i2c_get_clientdata(client); int err = 0; mutex_lock(&gsensor_scp_en_mutex); if(msg.event == PM_EVENT_SUSPEND) { if(obj == NULL) { GSE_ERR("null pointer!!\n"); mutex_unlock(&gsensor_scp_en_mutex); return -EINVAL; } atomic_set(&obj->suspend, 1); #ifdef CUSTOM_KERNEL_SENSORHUB if(0 != (err = BMA222_SCP_SetPowerMode(false, ID_ACCELEROMETER))) #else if(0 != (err = BMA222_SetPowerMode(obj->client, false))) #endif { GSE_ERR("write power control fail!!\n"); mutex_unlock(&gsensor_scp_en_mutex); return -EINVAL; } #ifndef CUSTOM_KERNEL_SENSORHUB BMA222_power(obj->hw, 0); #endif } mutex_unlock(&gsensor_scp_en_mutex); return err; } /*----------------------------------------------------------------------------*/ static int bma222_resume(struct i2c_client *client) { struct bma222_i2c_data *obj = i2c_get_clientdata(client); int err; if(obj == NULL) { GSE_ERR("null pointer!!\n"); return -EINVAL; } #ifndef CUSTOM_KERNEL_SENSORHUB BMA222_power(obj->hw, 1); #endif #ifndef CUSTOM_KERNEL_SENSORHUB if(0 != (err = bma222_init_client(client, 0))) #else if(0 != (err = BMA222_SCP_SetPowerMode(enable_status, ID_ACCELEROMETER))) #endif { GSE_ERR("initialize client fail!!\n"); return err; } atomic_set(&obj->suspend, 0); return 0; } /*----------------------------------------------------------------------------*/ #else /*CONFIG_HAS_EARLY_SUSPEND is defined*/ /*----------------------------------------------------------------------------*/ static void bma222_early_suspend(struct early_suspend *h) { struct bma222_i2c_data *obj = container_of(h, struct bma222_i2c_data, early_drv); int err; if(obj == NULL) { GSE_ERR("null pointer!!\n"); return; } atomic_set(&obj->suspend, 1); GSE_FUN(); u8 databuf[2]; //for debug read power control register to see the value is OK if(bma_i2c_read_block(obj->client, BMA222_REG_POWER_CTL, databuf, 0x01)) { GSE_ERR("read power ctl register err!\n"); return BMA222_ERR_I2C; } if(databuf[0]==0xff)//if the value is ff the gsensor will not work anymore, any i2c operations won't be vaild GSE_LOG("before BMA222_SetPowerMode in suspend databuf = 0x%x\n",databuf[0]); #ifndef CUSTOM_KERNEL_SENSORHUB if((err = BMA222_SetPowerMode(obj->client, false))) #else if((err = BMA222_SCP_SetPowerMode(false, ID_ACCELEROMETER))) #endif { GSE_ERR("write power control fail!!\n"); return; } if(bma_i2c_read_block(obj->client, BMA222_REG_POWER_CTL, databuf, 0x01)) //for debug read power control register to see the value is OK { GSE_ERR("read power ctl register err!\n"); return BMA222_ERR_I2C; } if(databuf[0]==0xff)//if the value is ff the gsensor will not work anymore, any i2c operations won't be vaild GSE_LOG("after BMA222_SetPowerMode suspend err databuf = 0x%x\n",databuf[0]); sensor_suspend = 1; #ifndef CUSTOM_KERNEL_SENSORHUB BMA222_power(obj->hw, 0); #endif } /*----------------------------------------------------------------------------*/ static void bma222_late_resume(struct early_suspend *h) { struct bma222_i2c_data *obj = container_of(h, struct bma222_i2c_data, early_drv); int err; if(obj == NULL) { GSE_ERR("null pointer!!\n"); return; } #ifndef CUSTOM_KERNEL_SENSORHUB BMA222_power(obj->hw, 1); #endif u8 databuf[2];//for debug read power control register to see the value is OK if(bma_i2c_read_block(obj->client, BMA222_REG_POWER_CTL, databuf, 0x01)) { GSE_ERR("read power ctl register err!\n"); return BMA222_ERR_I2C; } if(databuf[0]==0xff)//if the value is ff the gsensor will not work anymore, any i2c operations won't be vaild GSE_LOG("before bma222_init_client databuf = 0x%x\n",databuf[0]); #ifndef CUSTOM_KERNEL_SENSORHUB if((err = bma222_init_client(obj->client, 0))) #else if((err = BMA222_SCP_SetPowerMode(enable_status, ID_ACCELEROMETER))) #endif { GSE_ERR("initialize client fail!!\n"); return; } if(bma_i2c_read_block(obj->client, BMA222_REG_POWER_CTL, databuf, 0x01)) //for debug read power control register to see the value is OK { GSE_ERR("read power ctl register err!\n"); return BMA222_ERR_I2C; } if(databuf[0]==0xff)//if the value is ff the gsensor will not work anymore, any i2c operations won't be vaild GSE_LOG("after bma222_init_client databuf = 0x%x\n",databuf[0]); sensor_suspend = 0; atomic_set(&obj->suspend, 0); } /*----------------------------------------------------------------------------*/ #endif /*USE_EARLY_SUSPEND*/ /*----------------------------------------------------------------------------*/ // if use this typ of enable , Gsensor should report inputEvent(x, y, z ,stats, div) to HAL static int gsensor_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 gsensor_enable_nodata(int en) { int err = 0; if(((en == 0) && (sensor_power == false)) ||((en == 1) && (sensor_power == true))) { enable_status = sensor_power; GSE_LOG("Gsensor device have updated!\n"); } else { enable_status = !sensor_power; if (atomic_read(&obj_i2c_data->suspend) == 0) { #ifdef CUSTOM_KERNEL_SENSORHUB err = BMA222_SCP_SetPowerMode(enable_status, ID_ACCELEROMETER); if (0 == err) { sensor_power = enable_status; } #else err = BMA222_SetPowerMode(obj_i2c_data->client, enable_status); #endif GSE_LOG("Gsensor not in suspend BMA222_SetPowerMode!, enable_status = %d\n",enable_status); } else { GSE_LOG("Gsensor in suspend and can not enable or disable!enable_status = %d\n",enable_status); } } if(err != BMA222_SUCCESS) { GSE_ERR("gsensor_enable_nodata fail!\n"); return -1; } GSE_ERR("gsensor_enable_nodata OK!\n"); return 0; } /*----------------------------------------------------------------------------*/ static int gsensor_set_delay(u64 ns) { int err = 0; int value; #ifdef CUSTOM_KERNEL_SENSORHUB SCP_SENSOR_HUB_DATA req; int len; #else//#ifdef CUSTOM_KERNEL_SENSORHUB int sample_delay; #endif//#ifdef CUSTOM_KERNEL_SENSORHUB value = (int)ns/1000/1000; #ifdef CUSTOM_KERNEL_SENSORHUB req.set_delay_req.sensorType = ID_ACCELEROMETER; req.set_delay_req.action = SENSOR_HUB_SET_DELAY; req.set_delay_req.delay = value; len = sizeof(req.activate_req); err = SCP_sensorHub_req_send(&req, &len, 1); if (err) { GSE_ERR("SCP_sensorHub_req_send!\n"); return err; } #else//#ifdef CUSTOM_KERNEL_SENSORHUB if(value <= 5) { sample_delay = BMA222_BW_200HZ; } else if(value <= 10) { sample_delay = BMA222_BW_100HZ; } else { sample_delay = BMA222_BW_100HZ; } mutex_lock(&gsensor_scp_en_mutex); err = BMA222_SetBWRate(obj_i2c_data->client, sample_delay); mutex_unlock(&gsensor_scp_en_mutex); if(err != BMA222_SUCCESS ) //0x2C->BW=100Hz { GSE_ERR("Set delay parameter error!\n"); return -1; } if(value >= 50) { atomic_set(&obj_i2c_data->filter, 0); } else { #if defined(CONFIG_BMA222_LOWPASS) priv->fir.num = 0; priv->fir.idx = 0; priv->fir.sum[BMA222_AXIS_X] = 0; priv->fir.sum[BMA222_AXIS_Y] = 0; priv->fir.sum[BMA222_AXIS_Z] = 0; atomic_set(&priv->filter, 1); #endif } #endif//#ifdef CUSTOM_KERNEL_SENSORHUB GSE_LOG("gsensor_set_delay (%d)\n",value); return 0; } /*----------------------------------------------------------------------------*/ /*----------------------------------------------------------------------------*/ static int gsensor_get_data(int* x ,int* y,int* z, int* status) { #ifdef CUSTOM_KERNEL_SENSORHUB SCP_SENSOR_HUB_DATA req; int len; int err = 0; #else char buff[BMA222_BUFSIZE]; #endif #ifdef CUSTOM_KERNEL_SENSORHUB req.get_data_req.sensorType = ID_ACCELEROMETER; 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) { GSE_ERR("SCP_sensorHub_req_send!\n"); return err; } if (ID_ACCELEROMETER != req.get_data_rsp.sensorType || SENSOR_HUB_GET_DATA != req.get_data_rsp.action || 0 != req.get_data_rsp.errCode) { GSE_ERR("error : %d\n", req.get_data_rsp.errCode); return req.get_data_rsp.errCode; } *x = (int)req.get_data_rsp.int16_Data[0]*GRAVITY_EARTH_1000/1000; *y = (int)req.get_data_rsp.int16_Data[1]*GRAVITY_EARTH_1000/1000; *z = (int)req.get_data_rsp.int16_Data[2]*GRAVITY_EARTH_1000/1000; GSE_ERR("x = %d, y = %d, z = %d\n", *x, *y, *z); *status = SENSOR_STATUS_ACCURACY_MEDIUM; #else mutex_lock(&gsensor_scp_en_mutex); BMA222_ReadSensorData(obj_i2c_data->client, buff, BMA222_BUFSIZE); mutex_unlock(&gsensor_scp_en_mutex); sscanf(buff, "%x %x %x", x, y, z); *status = SENSOR_STATUS_ACCURACY_MEDIUM; #endif return 0; } /*----------------------------------------------------------------------------*/ static int bma222_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct i2c_client *new_client; struct bma222_i2c_data *obj; struct acc_control_path ctl={0}; struct acc_data_path data={0}; int err = 0; int retry = 0; GSE_FUN(); if(!(obj = kzalloc(sizeof(*obj), GFP_KERNEL))) { err = -ENOMEM; goto exit; } memset(obj, 0, sizeof(struct bma222_i2c_data)); obj->hw = get_cust_acc_hw(); if(0 != (err = hwmsen_get_convert(obj->hw->direction, &obj->cvt))) { GSE_ERR("invalid direction: %d\n", obj->hw->direction); goto exit; } #ifdef CUSTOM_KERNEL_SENSORHUB INIT_WORK(&obj->irq_work, gsensor_irq_work); #endif//#ifdef CUSTOM_KERNEL_SENSORHUB obj_i2c_data = obj; obj->client = client; #ifdef FPGA_EARLY_PORTING obj->client->timing = 100; #else obj->client->timing = 400; #endif new_client = obj->client; i2c_set_clientdata(new_client,obj); atomic_set(&obj->trace, 0); atomic_set(&obj->suspend, 0); #ifdef CONFIG_BMA222_LOWPASS if(obj->hw->firlen > C_MAX_FIR_LENGTH) { atomic_set(&obj->firlen, C_MAX_FIR_LENGTH); } else { atomic_set(&obj->firlen, obj->hw->firlen); } if(atomic_read(&obj->firlen) > 0) { atomic_set(&obj->fir_en, 1); } #endif bma222_i2c_client = new_client; for(retry = 0; retry < 3; retry++){ if(0 != (err = bma222_init_client(new_client, 1))) { GSE_ERR("bma222_device init cilent fail time: %d\n", retry); continue; } } if(err != 0) goto exit_init_failed; if(0 != (err = misc_register(&bma222_device))) { GSE_ERR("bma222_device register failed\n"); goto exit_misc_device_register_failed; } if(0 != (err = bma222_create_attr(&bma222_init_info.platform_diver_addr->driver))) { GSE_ERR("create attribute err = %d\n", err); goto exit_create_attr_failed; } ctl.open_report_data= gsensor_open_report_data; ctl.enable_nodata = gsensor_enable_nodata; ctl.set_delay = gsensor_set_delay; //ctl.batch = gsensor_set_batch; ctl.is_report_input_direct = false; #ifdef CUSTOM_KERNEL_SENSORHUB ctl.is_support_batch = obj->hw->is_batch_supported; #else ctl.is_support_batch = false; #endif err = acc_register_control_path(&ctl); if(err) { GSE_ERR("register acc control path err\n"); goto exit_kfree; } data.get_data = gsensor_get_data; data.vender_div = 1000; err = acc_register_data_path(&data); if(err) { GSE_ERR("register acc data path err\n"); goto exit_kfree; } err = batch_register_support_info(ID_ACCELEROMETER,ctl.is_support_batch, 102, 0); //divisor is 1000/9.8 if(err) { GSE_ERR("register gsensor batch support err = %d\n", err); goto exit_create_attr_failed; } #ifdef USE_EARLY_SUSPEND obj->early_drv.level = EARLY_SUSPEND_LEVEL_STOP_DRAWING - 2, obj->early_drv.suspend = bma222_early_suspend, obj->early_drv.resume = bma222_late_resume, register_early_suspend(&obj->early_drv); #endif gsensor_init_flag =0; GSE_LOG("%s: OK\n", __func__); return 0; exit_create_attr_failed: misc_deregister(&bma222_device); exit_misc_device_register_failed: exit_init_failed: //i2c_detach_client(new_client); exit_kfree: kfree(obj); exit: GSE_ERR("%s: err = %d\n", __func__, err); gsensor_init_flag = -1; return err; } /*----------------------------------------------------------------------------*/ static int bma222_i2c_remove(struct i2c_client *client) { int err = 0; if(0 != (err = bma222_delete_attr(&bma222_init_info.platform_diver_addr->driver))) { GSE_ERR("bma150_delete_attr fail: %d\n", err); } if(0 != (err = misc_deregister(&bma222_device))) { GSE_ERR("misc_deregister fail: %d\n", err); } bma222_i2c_client = NULL; i2c_unregister_device(client); kfree(i2c_get_clientdata(client)); return 0; } /*----------------------------------------------------------------------------*/ static int gsensor_local_init(void) { struct acc_hw *hw = get_cust_acc_hw(); GSE_FUN(); BMA222_power(hw, 1); if(i2c_add_driver(&bma222_i2c_driver)) { GSE_ERR("add driver error\n"); return -1; } if(-1 == gsensor_init_flag) { return -1; } //printk("fwq loccal init---\n"); return 0; } /*----------------------------------------------------------------------------*/ static int gsensor_remove() { struct acc_hw *hw = get_cust_acc_hw(); GSE_FUN(); BMA222_power(hw, 0); i2c_del_driver(&bma222_i2c_driver); return 0; } /*----------------------------------------------------------------------------*/ static int __init bma222_init(void) { GSE_FUN(); struct acc_hw *hw = get_cust_acc_hw(); GSE_LOG("%s: i2c_number=%d\n", __func__,hw->i2c_num); i2c_register_board_info(hw->i2c_num, &i2c_BMA222, 1); acc_driver_add(&bma222_init_info); return 0; } /*----------------------------------------------------------------------------*/ static void __exit bma222_exit(void) { GSE_FUN(); } /*----------------------------------------------------------------------------*/ module_init(bma222_init); module_exit(bma222_exit); /*----------------------------------------------------------------------------*/ MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("BMA222 I2C driver"); MODULE_AUTHOR("Xiaoli.li@mediatek.com");