/* * 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 #include #define POWER_NONE_MACRO MT65XX_POWER_NONE #include #include #include #include #include #include #include "cm3232.h" //#include #include #include #include #ifdef CUSTOM_KERNEL_SENSORHUB #include #endif /****************************************************************************** * configuration *******************************************************************************/ /*----------------------------------------------------------------------------*/ #define CM3232_DEV_NAME "cm3232" /*----------------------------------------------------------------------------*/ #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_INFO APS_TAG fmt, ##args) #define APS_DBG(fmt, args...) printk(KERN_INFO APS_TAG fmt, ##args) /****************************************************************************** * extern functions *******************************************************************************/ extern void mt65xx_eint_unmask(unsigned int line); extern void mt65xx_eint_mask(unsigned int line); extern void mt65xx_eint_set_polarity(unsigned int eint_num, unsigned int pol); extern void mt65xx_eint_set_hw_debounce(unsigned int eint_num, unsigned int ms); 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); /*----------------------------------------------------------------------------*/ static int cm3232_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id); static int cm3232_i2c_remove(struct i2c_client *client); static int cm3232_i2c_detect(struct i2c_client *client, struct i2c_board_info *info); static int cm3232_i2c_suspend(struct i2c_client *client, pm_message_t msg); static int cm3232_i2c_resume(struct i2c_client *client); static int cm3232_remove(void); static int cm3232_local_init(void); static int cm3232_init_flag =-1; // 0<==>OK -1 <==> fail static struct alsps_init_info cm3232_init_info = { .name = "cm3232", .init = cm3232_local_init, .uninit = cm3232_remove, }; /*----------------------------------------------------------------------------*/ static const struct i2c_device_id cm3232_i2c_id[] = {{CM3232_DEV_NAME,0},{}}; static struct i2c_board_info __initdata i2c_cm3232={ I2C_BOARD_INFO(CM3232_DEV_NAME, (0x20>>1))}; /*----------------------------------------------------------------------------*/ /*static hw_module_info hw_info = { .type = HW_MODULE_TYPE_ALSPS, .id = 0x10, .priority = HW_MODULE_PRIORITY_ALSPS, .name = "CM3232", .vendor = "CAPELLA", .more = "" };*/ struct cm3232_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 trace; /*data*/ u16 als; 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]; atomic_t als_cmd_val; /*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*/ 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 cm3232_i2c_driver = { .probe = cm3232_i2c_probe, .remove = cm3232_i2c_remove, .detect = cm3232_i2c_detect, .suspend = cm3232_i2c_suspend, .resume = cm3232_i2c_resume, .id_table = cm3232_i2c_id, .driver = { .name = CM3232_DEV_NAME, }, }; /*----------------------------------------------------------------------------*/ static struct i2c_client *cm3232_i2c_client = NULL; //static struct cm3232_priv *g_cm3232_ptr = NULL; static struct cm3232_priv *cm3232_obj = NULL; //static struct platform_driver cm3232_alsps_driver; /*----------------------------------------------------------------------------*/ /*----------------------------------------------------------------------------*/ typedef enum { CMC_BIT_ALS = 1, }CMC_BIT; /*-----------------------------CMC for debugging-------------------------------*/ typedef enum { CMC_TRC_ALS_DATA= 0x0001, CMC_TRC_EINT = 0x0004, CMC_TRC_IOCTL = 0x0008, CMC_TRC_I2C = 0x0010, CMC_TRC_CVT_ALS = 0x0020, CMC_TRC_DEBUG = 0x8000, } CMC_TRC; /*----------------------------------------------------------------------------*/ static void cm3232_power(struct alsps_hw *hw, unsigned int on) { static unsigned int power_on = 0; APS_LOG("power %s\n", on ? "on" : "off"); if(hw->power_id != POWER_NONE_MACRO) { if(power_on == on) { APS_LOG("ignore power control: %d\n", on); } else if(on) { if(!hwPowerOn(hw->power_id, hw->power_vol, "CM3232")) { APS_ERR("power on fails!!\n"); } } else { if(!hwPowerDown(hw->power_id, "CM3232")) { APS_ERR("power off fail!!\n"); } } } power_on = on; } /********************************************************************/ int cm3232_enable_als(struct i2c_client *client, int enable) { struct cm3232_priv *obj = i2c_get_clientdata(client); int res; u8 databuf[3]; client->addr &=I2C_MASK_FLAG; client->addr |=I2C_WR_FLAG; client->addr |=I2C_RS_FLAG; if(enable == 1) { APS_LOG("cm3232_enable_als enable_als\n"); #if 0//modify for cm3232 speed up report rate.131012 xgt databuf[0] = CM3232_REG_ALS_CONF; res = i2c_master_send(client, databuf, 0x201); if(res < 0) { APS_ERR("i2c_master_send function err\n"); goto ENABLE_ALS_EXIT_ERR; } APS_LOG("CM3232_REG_ALS_CONF evalue value_low = %x, value_high = %x\n",databuf[0],databuf[1]); #endif databuf[1] = 0x00;//databuf[0]&0xFE; databuf[0] = CM3232_REG_ALS_CONF; client->addr &=I2C_MASK_FLAG; res = i2c_master_send(client, databuf, 0x2); 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("cm3232_enable_als disable_als\n"); #if 0//modify for cm3232 speed up report rate.131012 xgt databuf[0] = CM3232_REG_ALS_CONF; res = i2c_master_send(client, databuf, 0x201); if(res < 0) { APS_ERR("i2c_master_send function err\n"); goto ENABLE_ALS_EXIT_ERR; } APS_LOG("CM3232_REG_ALS_CONF dvalue value_low = %x, value_high = %x\n",databuf[0],databuf[1]); #endif databuf[1] = 0x01;//databuf[0]|0x01; databuf[0] = CM3232_REG_ALS_CONF; client->addr &=I2C_MASK_FLAG; res = i2c_master_send(client, databuf, 0x2); 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 cm3232_read_als(struct i2c_client *client, u16 *data) { long res; u8 databuf[2]; client->addr &=I2C_MASK_FLAG; client->addr |=I2C_WR_FLAG; client->addr |=I2C_RS_FLAG; APS_FUN(f); databuf[0] = CM3232_REG_ALS_DATA; res = i2c_master_send(client, databuf, 0x201); if(res < 0) { APS_ERR("i2c_master_send function err\n"); goto READ_ALS_EXIT_ERR; } APS_LOG("CM3232_REG_ALS_DATA value value_low = %x, value_high = %x\n",databuf[0],databuf[1]); *data = ((databuf[1]<<8)|databuf[0]); return 0; READ_ALS_EXIT_ERR: return res; } /********************************************************************/ static int cm3232_get_als_value(struct cm3232_priv *obj, u16 als) { int idx; int invalid = 0; for(idx = 0; idx < obj->als_level_num; idx++) { if((als/ALS_K_VALUE) < 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 (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 cm3232_show_config(struct device_driver *ddri, char *buf) { ssize_t res; if(!cm3232_obj) { APS_ERR("cm3232_obj is null!!\n"); return 0; } res = snprintf(buf, PAGE_SIZE, "(%d %d)\n", atomic_read(&cm3232_obj->i2c_retry), atomic_read(&cm3232_obj->als_debounce)); return res; } /*----------------------------------------------------------------------------*/ static ssize_t cm3232_store_config(struct device_driver *ddri, const char *buf, size_t count) { int retry, als_deb,mask, thres; if(!cm3232_obj) { APS_ERR("cm3232_obj is null!!\n"); return 0; } if(5 == sscanf(buf, "%d %d %d %d", &retry, &als_deb, &mask, &thres)) { atomic_set(&cm3232_obj->i2c_retry, retry); atomic_set(&cm3232_obj->als_debounce, als_deb); } else { APS_ERR("invalid content: '%s', length = %zu\n", buf, count); } return count; } /*----------------------------------------------------------------------------*/ static ssize_t cm3232_show_trace(struct device_driver *ddri, char *buf) { ssize_t res; if(!cm3232_obj) { APS_ERR("cm3232_obj is null!!\n"); return 0; } res = snprintf(buf, PAGE_SIZE, "0x%04X\n", atomic_read(&cm3232_obj->trace)); return res; } /*----------------------------------------------------------------------------*/ static ssize_t cm3232_store_trace(struct device_driver *ddri, const char *buf, size_t count) { int trace; if(!cm3232_obj) { APS_ERR("cm3232_obj is null!!\n"); return 0; } if(1 == sscanf(buf, "0x%x", &trace)) { atomic_set(&cm3232_obj->trace, trace); } else { APS_ERR("invalid content: '%s', length = %zu\n", buf, count); } return count; } /*----------------------------------------------------------------------------*/ static ssize_t cm3232_show_als(struct device_driver *ddri, char *buf) { int res; if(!cm3232_obj) { APS_ERR("cm3232_obj is null!!\n"); return 0; } if((res = cm3232_read_als(cm3232_obj->client, &cm3232_obj->als))) { return snprintf(buf, PAGE_SIZE, "ERROR: %d\n", res); } else { return snprintf(buf, PAGE_SIZE, "0x%04X\n", cm3232_obj->als); } } /*----------------------------------------------------------------------------*/ static ssize_t cm3232_show_reg(struct device_driver *ddri, char *buf) { if(!cm3232_obj) { APS_ERR("cm3232_obj is null!!\n"); return 0; } return 0; } #if 0 /*----------------------------------------------------------------------------*/ static ssize_t cm3232_show_send(struct device_driver *ddri, char *buf) { return 0; } /*----------------------------------------------------------------------------*/ static ssize_t cm3232_store_send(struct device_driver *ddri, const char *buf, size_t count) { int addr, cmd; u8 dat; if(!cm3232_obj) { APS_ERR("cm3232_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 cm3232_show_recv(struct device_driver *ddri, char *buf) { return 0; } /*----------------------------------------------------------------------------*/ static ssize_t cm3232_store_recv(struct device_driver *ddri, const char *buf, size_t count) { int addr; //u8 dat; if(!cm3232_obj) { APS_ERR("cm3232_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 cm3232_show_status(struct device_driver *ddri, char *buf) { ssize_t len = 0; if(!cm3232_obj) { APS_ERR("cm3232_obj is null!!\n"); return 0; } if(cm3232_obj->hw) { len += snprintf(buf+len, PAGE_SIZE-len, "CUST: %d, (%d %d)\n", cm3232_obj->hw->i2c_num, cm3232_obj->hw->power_id, cm3232_obj->hw->power_vol); } else { len += snprintf(buf+len, PAGE_SIZE-len, "CUST: NULL\n"); } len += snprintf(buf+len, PAGE_SIZE-len, "REGS: %02X %02lX %02lX\n", atomic_read(&cm3232_obj->als_cmd_val),cm3232_obj->enable, cm3232_obj->pending_intr); len += snprintf(buf+len, PAGE_SIZE-len, "MISC: %d \n", atomic_read(&cm3232_obj->als_suspend)); return len; } /*----------------------------------------------------------------------------*/ /*----------------------------------------------------------------------------*/ #define IS_SPACE(CH) (((CH) == ' ') || ((CH) == '\n')) /*----------------------------------------------------------------------------*/ static int read_int_from_buf(struct cm3232_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 cm3232_show_alslv(struct device_driver *ddri, char *buf) { ssize_t len = 0; int idx; if(!cm3232_obj) { APS_ERR("cm3232_obj is null!!\n"); return 0; } for(idx = 0; idx < cm3232_obj->als_level_num; idx++) { len += snprintf(buf+len, PAGE_SIZE-len, "%d ", cm3232_obj->hw->als_level[idx]); } len += snprintf(buf+len, PAGE_SIZE-len, "\n"); return len; } /*----------------------------------------------------------------------------*/ static ssize_t cm3232_store_alslv(struct device_driver *ddri, const char *buf, size_t count) { if(!cm3232_obj) { APS_ERR("cm3232_obj is null!!\n"); return 0; } else if(!strcmp(buf, "def")) { memcpy(cm3232_obj->als_level, cm3232_obj->hw->als_level, sizeof(cm3232_obj->als_level)); } else if(cm3232_obj->als_level_num != read_int_from_buf(cm3232_obj, buf, count, cm3232_obj->hw->als_level, cm3232_obj->als_level_num)) { APS_ERR("invalid format: '%s'\n", buf); } return count; } /*----------------------------------------------------------------------------*/ static ssize_t cm3232_show_alsval(struct device_driver *ddri, char *buf) { ssize_t len = 0; int idx; if(!cm3232_obj) { APS_ERR("cm3232_obj is null!!\n"); return 0; } for(idx = 0; idx < cm3232_obj->als_value_num; idx++) { len += snprintf(buf+len, PAGE_SIZE-len, "%d ", cm3232_obj->hw->als_value[idx]); } len += snprintf(buf+len, PAGE_SIZE-len, "\n"); return len; } /*----------------------------------------------------------------------------*/ static ssize_t cm3232_store_alsval(struct device_driver *ddri, const char *buf, size_t count) { if(!cm3232_obj) { APS_ERR("cm3232_obj is null!!\n"); return 0; } else if(!strcmp(buf, "def")) { memcpy(cm3232_obj->als_value, cm3232_obj->hw->als_value, sizeof(cm3232_obj->als_value)); } else if(cm3232_obj->als_value_num != read_int_from_buf(cm3232_obj, buf, count, cm3232_obj->hw->als_value, cm3232_obj->als_value_num)) { APS_ERR("invalid format: '%s'\n", buf); } return count; } /*---------------------------------------------------------------------------------------*/ #endif static DRIVER_ATTR(als, S_IWUSR | S_IRUGO, cm3232_show_als, NULL); static DRIVER_ATTR(config, S_IWUSR | S_IRUGO, cm3232_show_config, cm3232_store_config); static DRIVER_ATTR(alslv, S_IWUSR | S_IRUGO, NULL, NULL); static DRIVER_ATTR(alsval, S_IWUSR | S_IRUGO, NULL, NULL); static DRIVER_ATTR(trace, S_IWUSR | S_IRUGO, cm3232_show_trace, cm3232_store_trace); static DRIVER_ATTR(status, S_IWUSR | S_IRUGO, NULL, NULL); static DRIVER_ATTR(send, S_IWUSR | S_IRUGO, NULL, NULL); static DRIVER_ATTR(recv, S_IWUSR | S_IRUGO, NULL, NULL); static DRIVER_ATTR(reg, S_IWUSR | S_IRUGO, cm3232_show_reg, NULL); /*----------------------------------------------------------------------------*/ static struct driver_attribute *cm3232_attr_list[] = { &driver_attr_als, &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 cm3232_create_attr(struct device_driver *driver) { int idx, err = 0; int num = (int)(sizeof(cm3232_attr_list)/sizeof(cm3232_attr_list[0])); if (driver == NULL) { return -EINVAL; } for(idx = 0; idx < num; idx++) { if((err = driver_create_file(driver, cm3232_attr_list[idx]))) { APS_ERR("driver_create_file (%s) = %d\n", cm3232_attr_list[idx]->attr.name, err); break; } } return err; } /*----------------------------------------------------------------------------*/ static int cm3232_delete_attr(struct device_driver *driver) { int idx ,err = 0; int num = (int)(sizeof(cm3232_attr_list)/sizeof(cm3232_attr_list[0])); if (!driver) return -EINVAL; for (idx = 0; idx < num; idx++) { driver_remove_file(driver, cm3232_attr_list[idx]); } return err; } /*----------------------------------------------------------------------------*/ #if 0//modify for CM3232 polling mode.131012 xgt /*----------------------------------interrupt functions--------------------------------*/ static int intr_flag = 0; /*----------------------------------------------------------------------------*/ static int cm3232_check_intr(struct i2c_client *client) { int res; u8 databuf[2]; u8 intr; client->addr &=I2C_MASK_FLAG; client->addr |=I2C_WR_FLAG; client->addr |=I2C_RS_FLAG; databuf[0] = CM3232_REG_PS_DATA; res = i2c_master_send(client, databuf, 0x201); if(res<0) { APS_ERR("i2c_master_send function err res = %d\n",res); goto EXIT_ERR; } APS_LOG("CM3232_REG_PS_DATA value value_low = %x, value_reserve = %x\n",databuf[0],databuf[1]); client->addr &=I2C_MASK_FLAG; client->addr |=I2C_WR_FLAG; client->addr |=I2C_RS_FLAG; databuf[0] = CM3232_REG_INT_FLAG; res = i2c_master_send(client, databuf, 0x201); if(res<0) { APS_ERR("i2c_master_send function err res = %d\n",res); goto EXIT_ERR; } APS_LOG("CM3232_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("cm3232_check_intr fail databuf[1]&0x01: %d\n", res); goto EXIT_ERR; } return 0; EXIT_ERR: APS_ERR("cm3232_check_intr dev: %d\n", res); return res; } /*----------------------------------------------------------------------------*/ static void cm3232_eint_work(struct work_struct *work) { struct cm3232_priv *obj = (struct cm3232_priv *)container_of(work, struct cm3232_priv, eint_work); hwm_sensor_data sensor_data; int res = 0; //res = cm3232_check_intr(obj->client); #if 1 //res = cm3232_check_intr(obj->client); if(res != 0){ goto EXIT_INTR_ERR; }else{ sensor_data.values[0] = intr_flag; sensor_data.value_divide = 1; sensor_data.status = SENSOR_STATUS_ACCURACY_MEDIUM; } if((res = hwmsen_get_interrupt_data(ID_PROXIMITY, &sensor_data))) { APS_ERR("call hwmsen_get_interrupt_data fail = %d\n", res); goto EXIT_INTR_ERR; } #endif //mt65xx_eint_unmask(CUST_EINT_ALS_NUM); return; EXIT_INTR_ERR: //mt65xx_eint_unmask(CUST_EINT_ALS_NUM); APS_ERR("cm3232_eint_work err: %d\n", res); } /*----------------------------------------------------------------------------*/ static void cm3232_eint_func(void) { struct cm3232_priv *obj = g_cm3232_ptr; if(!obj) { return; } APS_ERR("debug cm3232_eint_func!"); schedule_work(&obj->eint_work); } int cm3232_setup_eint(struct i2c_client *client) { struct cm3232_priv *obj = i2c_get_clientdata(client); g_cm3232_ptr = obj; mt_set_gpio_dir(GPIO_ALS_EINT_PIN, GPIO_DIR_IN); mt_set_gpio_mode(GPIO_ALS_EINT_PIN, GPIO_ALS_EINT_PIN_M_EINT); mt_set_gpio_pull_enable(GPIO_ALS_EINT_PIN, TRUE); mt_set_gpio_pull_select(GPIO_ALS_EINT_PIN, GPIO_PULL_UP); #if 0 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, cm3232_eint_func, 0); mt65xx_eint_unmask(CUST_EINT_ALS_NUM); #endif return 0; } /*-------------------------------MISC device related------------------------------------------*/ #endif #ifdef CUSTOM_KERNEL_SENSORHUB static void cm3232_init_done_work(struct work_struct *work) { struct cm3232_priv *obj = cm3232_obj; CM3232_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 = (CM3232_CUST_DATA *)data.set_cust_req.custData; sizeOfCustData = sizeof(*(obj->hw)); max_cust_data_size_per_packet = sizeof(data.set_cust_req.custData) - offsetof(CM3232_SET_CUST, data); for (i=0;sizeOfCustData>0;i++) { data.set_cust_req.sensorType = ID_LIGHT; data.set_cust_req.action = SENSOR_HUB_SET_CUST; p_cust_data->setCust.action = CM3232_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(CM3232_SET_CUST, data); SCP_sensorHub_req_send(&data, &len, 1); } #if 0 data.set_cust_req.sensorType = ID_PROXIMITY; data.set_cust_req.action = SENSOR_HUB_SET_CUST; p_cust_data->setEintInfo.action = CM3232_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); #endif } static int cm3232_irq_handler(void* data, uint len) { struct cm3232_priv *obj = cm3232_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; #if 0 case SCP_NOTIFY: if (CM3232_NOTIFY_PROXIMITY_CHANGE == rsp->notify_rsp.data[0]) { intr_flag = rsp->notify_rsp.data[1]; cm3232_eint_func(); } else { APS_ERR("Unknow notify"); } break; #endif default: APS_ERR("Error sensor hub notify"); break; } break; default: APS_ERR("Error sensor hub action"); break; } return 0; } #endif //#ifdef CUSTOM_KERNEL_SENSORHUB /************************************************************/ static int cm3232_open(struct inode *inode, struct file *file) { file->private_data = cm3232_i2c_client; if (!file->private_data) { APS_ERR("null pointer!!\n"); return -EINVAL; } return nonseekable_open(inode, file); } /************************************************************/ static int cm3232_release(struct inode *inode, struct file *file) { file->private_data = NULL; return 0; } /************************************************************/ static long cm3232_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct i2c_client *client = (struct i2c_client*)file->private_data; struct cm3232_priv *obj = i2c_get_clientdata(client); long err = 0; void __user *ptr = (void __user*) arg; int dat; uint32_t enable; switch (cmd) { case ALSPS_SET_PS_MODE: case ALSPS_GET_PS_MODE: case ALSPS_GET_PS_DATA: case ALSPS_GET_PS_RAW_DATA: APS_LOG("ps not supported"); goto err_out; case ALSPS_SET_ALS_MODE: if(copy_from_user(&enable, ptr, sizeof(enable))) { err = -EFAULT; goto err_out; } if(enable) { if((err = cm3232_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 = cm3232_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 = cm3232_read_als(obj->client, &obj->als))) { goto err_out; } dat = cm3232_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 = cm3232_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; /*------------------------------------------------------------------------------------------*/ 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 cm3232_fops = { .owner = THIS_MODULE, .open = cm3232_open, .release = cm3232_release, .unlocked_ioctl = cm3232_unlocked_ioctl, }; static struct miscdevice cm3232_device = { .minor = MISC_DYNAMIC_MINOR, .name = "als_ps", .fops = &cm3232_fops, }; /*--------------------------------------------------------------------------------------*/ static void cm3232_early_suspend(struct early_suspend *h) { struct cm3232_priv *obj = container_of(h, struct cm3232_priv, early_drv); int err; APS_FUN(); if(!obj) { APS_ERR("null pointer!!\n"); return; } atomic_set(&obj->als_suspend, 1); if((err = cm3232_enable_als(obj->client, 0))) { APS_ERR("disable als fail: %d\n", err); } } static void cm3232_late_resume(struct early_suspend *h) { struct cm3232_priv *obj = container_of(h, struct cm3232_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 = cm3232_enable_als(obj->client, 1))) { APS_ERR("enable als fail: %d\n", err); } } } /*--------------------------------------------------------------------------------*/ static int cm3232_init_client(struct i2c_client *client) { struct cm3232_priv *obj = i2c_get_clientdata(client); u8 databuf[3]; int res = 0; client->addr &=I2C_MASK_FLAG; databuf[0] = CM3232_REG_ALS_CONF; if(1 == obj->hw->polling_mode_als) databuf[1] = 0x01; else databuf[1] = 0x03; res = i2c_master_send(client, databuf, 0x2); if(res <= 0) { APS_ERR("i2c_master_send function err\n"); goto EXIT_ERR; } #if 0//modify for CM3232 polling mode.131012 xgt res = cm3232_setup_eint(client); if(res!=0) { APS_ERR("setup eint: %d\n", res); return res; } #endif #ifdef CUSTOM_KERNEL_SENSORHUB res = SCP_sensorHub_rsp_registration(ID_LIGHT, cm3232_irq_handler); if(res != 0) { APS_ERR("i2c_master_send function err\n"); goto EXIT_ERR; } #endif return CM3232_SUCCESS; EXIT_ERR: APS_ERR("init dev: %d\n", res); return res; } #if 0 /*--------------------------------------------------------------------------------*/ int cm3232_als_operate(void* self, uint32_t command, void* buff_in, int size_in, void* buff_out, int size_out, int* actualout) { long err = 0; int value; hwm_sensor_data* sensor_data; struct cm3232_priv *obj = (struct cm3232_priv *)self; APS_FUN(f); switch (command) { case SENSOR_DELAY: APS_ERR("cm3232 als delay command!\n"); if((buff_in == NULL) || (size_in < sizeof(int))) { APS_ERR("Set delay parameter error!\n"); err = -EINVAL; } break; case SENSOR_ENABLE: APS_ERR("cm3232 als enable command!\n"); if((buff_in == NULL) || (size_in < sizeof(int))) { APS_ERR("Enable sensor parameter error!\n"); err = -EINVAL; } else { value = *(int *)buff_in; if(value) { if((err = cm3232_enable_als(obj->client, 1))) { APS_ERR("enable als fail: %ld\n", err); return -1; } set_bit(CMC_BIT_ALS, &obj->enable); } else { if((err = cm3232_enable_als(obj->client, 0))) { APS_ERR("disable als fail: %ld\n", err); return -1; } clear_bit(CMC_BIT_ALS, &obj->enable); } } break; case SENSOR_GET_DATA: APS_ERR("cm3232 als get data command!\n"); if((buff_out == NULL) || (size_out< sizeof(hwm_sensor_data))) { APS_ERR("get sensor data parameter error!\n"); err = -EINVAL; } else { sensor_data = (hwm_sensor_data *)buff_out; if((err = cm3232_read_als(obj->client, &obj->als))) { err = -1;; } else { sensor_data->values[0] = cm3232_get_als_value(obj, obj->als); sensor_data->value_divide = 1; sensor_data->status = SENSOR_STATUS_ACCURACY_MEDIUM; } } break; default: APS_ERR("light sensor operate function no this parameter %d!\n", command); err = -1; break; } return err; } /*--------------------------------------------------------------------------------*/ #endif // if use this typ of enable , Gsensor should report inputEvent(x, y, z ,stats, div) to HAL static int cm3232_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 cm3232_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("cm3232_obj als enable value = %d\n", en); #ifdef CUSTOM_KERNEL_SENSORHUB 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 //#ifdef CUSTOM_KERNEL_SENSORHUB if(!cm3232_obj) { APS_ERR("cm3232_obj is null!!\n"); return -1; } res=cm3232_enable_als(cm3232_obj->client, en); #endif //#ifdef CUSTOM_KERNEL_SENSORHUB if(res){ APS_ERR("als_enable_nodata is failed!!\n"); return -1; } return 0; } static int cm3232_als_set_delay(u64 ns) { return 0; } static int cm3232_als_get_data(int* value, int* status) { int err = 0; #ifdef CUSTOM_KERNEL_SENSORHUB SCP_SENSOR_HUB_DATA req; int len; #else struct cm3232_priv *obj = NULL; #endif //#ifdef CUSTOM_KERNEL_SENSORHUB #ifdef CUSTOM_KERNEL_SENSORHUB 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(&cm3232_obj->trace) & CMC_TRC_ALS_DATA) { APS_LOG("value = %d\n", *value); //show data } #else //#ifdef CUSTOM_KERNEL_SENSORHUB if(!cm3232_obj) { APS_ERR("cm3232_obj is null!!\n"); return -1; } obj = cm3232_obj; if((err = cm3232_read_als(obj->client, &obj->als))) { err = -1; } else { *value = cm3232_get_als_value(obj, obj->als); *status = SENSOR_STATUS_ACCURACY_MEDIUM; } #endif //#ifdef CUSTOM_KERNEL_SENSORHUB return err; } /*-----------------------------------i2c operations----------------------------------*/ static int cm3232_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct cm3232_priv *obj; //struct hwmsen_object obj_als; 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_LOG("cm3232_i2c_probe\n"); if(!(obj = kzalloc(sizeof(*obj), GFP_KERNEL))) { err = -ENOMEM; goto exit; } memset(obj, 0, sizeof(*obj)); cm3232_obj = obj; obj->hw = get_cust_alsps_hw();//get custom file data struct //INIT_WORK(&obj->eint_work, cm3232_eint_work);//modify for CM3232 polling mode.131012 xgt #ifdef CUSTOM_KERNEL_SENSORHUB INIT_WORK(&obj->init_done_work, cm3232_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->als_suspend, 0); atomic_set(&obj->als_cmd_val, 0xDF); atomic_set(&obj->als_thd_val_high, obj->hw->als_threshold_high); atomic_set(&obj->als_thd_val_low, obj->hw->als_threshold_low); obj->enable = 0; obj->pending_intr = 0; obj->als_level_num = sizeof(obj->hw->als_level)/sizeof(obj->hw->als_level[0]); obj->als_value_num = sizeof(obj->hw->als_value)/sizeof(obj->hw->als_value[0]); /*-----------------------------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); set_bit(CMC_BIT_ALS, &obj->enable); cm3232_i2c_client = client; if((err = cm3232_init_client(client))) { goto exit_init_failed; } APS_LOG("cm3232_init_client() OK!\n"); if((err = misc_register(&cm3232_device))) { APS_ERR("cm3232_device register failed\n"); goto exit_misc_device_register_failed; } APS_LOG("cm3232_device misc_register OK!\n"); /*------------------------cm3232 attribute file for debug--------------------------------------*/ if((err = cm3232_create_attr(&cm3232_init_info.platform_diver_addr->driver))) { APS_ERR("create attribute err = %d\n", err); goto exit_create_attr_failed; } /*------------------------cm3232 attribute file for debug--------------------------------------*/ als_ctl.open_report_data= cm3232_als_open_report_data; als_ctl.enable_nodata = cm3232_als_enable_nodata; als_ctl.set_delay = cm3232_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 = cm3232_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; } err = batch_register_support_info(ID_LIGHT,als_ctl.is_support_batch, 100, 0); if(err) { APS_ERR("register light batch support err = %d\n", err); goto exit_sensor_obj_attach_fail; } #if defined(CONFIG_HAS_EARLYSUSPEND) obj->early_drv.level = EARLY_SUSPEND_LEVEL_STOP_DRAWING - 2, obj->early_drv.suspend = cm3232_early_suspend, obj->early_drv.resume = cm3232_late_resume, register_early_suspend(&obj->early_drv); #endif cm3232_init_flag = 0; APS_LOG("cm3232_i2c_probe OK\n"); APS_LOG("%s: OK\n", __func__); //hw_module_info_add(&hw_info); //add tyd hardware info return 0; exit_create_attr_failed: exit_sensor_obj_attach_fail: exit_misc_device_register_failed: misc_deregister(&cm3232_device); exit_init_failed: kfree(obj); exit: cm3232_i2c_client = NULL; cm3232_init_flag = -1; APS_ERR("%s: err = %d\n", __func__, err); return err; } static int cm3232_i2c_remove(struct i2c_client *client) { int err; /*------------------------cm3232 attribute file for debug--------------------------------------*/ if((err = cm3232_delete_attr(&cm3232_init_info.platform_diver_addr->driver))) { APS_ERR("cm3232_delete_attr fail: %d\n", err); } /*----------------------------------------------------------------------------------------*/ if((err = misc_deregister(&cm3232_device))) { APS_ERR("misc_deregister fail: %d\n", err); } cm3232_i2c_client = NULL; i2c_unregister_device(client); kfree(i2c_get_clientdata(client)); return 0; } static int cm3232_i2c_detect(struct i2c_client *client, struct i2c_board_info *info) { strcpy(info->type, CM3232_DEV_NAME); return 0; } static int cm3232_i2c_suspend(struct i2c_client *client, pm_message_t msg) { APS_FUN(); return 0; } static int cm3232_i2c_resume(struct i2c_client *client) { APS_FUN(); return 0; } /*----------------------------------------------------------------------------*/ #if 0 static int cm3232_probe(struct platform_device *pdev) { struct alsps_hw *hw = get_cust_alsps_hw(); APS_FUN(); cm3232_power(hw, 1); //***************** if(i2c_add_driver(&cm3232_i2c_driver)) { APS_ERR("add driver error\n"); return -1; } return 0; } #endif static int cm3232_local_init(void) { struct alsps_hw *hw = get_cust_alsps_hw(); //printk("fwq loccal init+++\n"); cm3232_power(hw, 1); if(i2c_add_driver(&cm3232_i2c_driver)) { APS_ERR("add driver error\n"); return -1; } if(-1 == cm3232_init_flag) { return -1; } //printk("fwq loccal init---\n"); return 0; } /*----------------------------------------------------------------------------*/ static int cm3232_remove(void) { struct alsps_hw *hw = get_cust_alsps_hw(); APS_FUN(); cm3232_power(hw, 0);//***************** i2c_del_driver(&cm3232_i2c_driver); return 0; } /*----------------------------------------------------------------------------*/ /* static struct platform_driver cm3232_alsps_driver = { .probe = cm3232_probe, .remove = cm3232_remove, .driver = { .name = "als_ps", } }; */ /*----------------------------------------------------------------------------*/ static int __init cm3232_init(void) { struct alsps_hw *hw = get_cust_alsps_hw(); APS_LOG("%s: i2c_number=%d\n", __func__, hw->i2c_num); i2c_register_board_info(hw->i2c_num, &i2c_cm3232, 1); alsps_driver_add(&cm3232_init_info); APS_ERR("cm3232_init ok!\n"); return 0; } /*----------------------------------------------------------------------------*/ static void __exit cm3232_exit(void) { APS_FUN(); //platform_driver_unregister(&cm3232_alsps_driver); } /*----------------------------------------------------------------------------*/ module_init(cm3232_init); module_exit(cm3232_exit); /*----------------------------------------------------------------------------*/ MODULE_AUTHOR("yucong xiong"); MODULE_DESCRIPTION("cm3232 driver"); MODULE_LICENSE("GPL");