static long simple_sd_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
struct msdc_ioctl *msdc_ctl = (struct msdc_ioctl *)arg;
int ret;
if(msdc_ctl == NULL){
switch(cmd){
//#ifdef MTK_SD_REINIT_SUPPORT
case MSDC_REINIT_SDCARD:
ret = sd_ioctl_reinit(msdc_ctl);
break;
//#endif
default:
printk("mt_sd_ioctl:this opcode value is illegal!!\n");
return -EINVAL;
}
return ret;
}
else{
switch (msdc_ctl->opcode){
case MSDC_SINGLE_READ_WRITE:
msdc_ctl->result = simple_sd_ioctl_single_rw(msdc_ctl);
break;
case MSDC_MULTIPLE_READ_WRITE:
msdc_ctl->result = simple_sd_ioctl_multi_rw(msdc_ctl);
break;
case MSDC_GET_CID:
msdc_ctl->result = simple_sd_ioctl_get_cid(msdc_ctl);
break;
case MSDC_GET_CSD:
msdc_ctl->result = simple_sd_ioctl_get_csd(msdc_ctl);
break;
case MSDC_GET_EXCSD:
msdc_ctl->result = simple_sd_ioctl_get_excsd(msdc_ctl);
break;
case MSDC_DRIVING_SETTING:
printk("in ioctl to change driving\n");
if (1 == msdc_ctl->iswrite){
msdc_ctl->result = simple_sd_ioctl_set_driving(msdc_ctl);
} else {
msdc_ctl->result = simple_sd_ioctl_get_driving(msdc_ctl);
}
break;
case MSDC_ERASE_PARTITION:
msdc_ctl->result = simple_mmc_erase_partition_wrap(msdc_ctl);
break;
case MSDC_SD30_MODE_SWITCH:
msdc_ctl->result = simple_sd_ioctl_sd30_mode_switch(msdc_ctl);
break;
default:
printk("simple_sd_ioctl:this opcode value is illegal!!\n");
return -EINVAL;
}
return msdc_ctl->result;
}
}
static long simple_sd_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
struct msdc_ioctl msdc_ctl;
int ret;
if((struct msdc_ioctl*)arg == NULL){
switch(cmd){
case MSDC_REINIT_SDCARD:
ret = sd_ioctl_reinit((struct msdc_ioctl*)arg);
break;
case MSDC_CD_PIN_EN_SDCARD:
ret = sd_ioctl_cd_pin_en((struct msdc_ioctl*)arg);
break;
default:
pr_err("mt_sd_ioctl:this opcode value is illegal!!\n");
return -EINVAL;
}
return ret;
}
else{
if (copy_from_user(&msdc_ctl, (struct msdc_ioctl*)arg, sizeof(struct msdc_ioctl))){
return -EFAULT;
}
switch (msdc_ctl.opcode){
case MSDC_SINGLE_READ_WRITE:
msdc_ctl.result = simple_sd_ioctl_single_rw(&msdc_ctl);
break;
case MSDC_MULTIPLE_READ_WRITE:
msdc_ctl.result = simple_sd_ioctl_multi_rw(&msdc_ctl);
break;
case MSDC_GET_CID:
msdc_ctl.result = simple_sd_ioctl_get_cid(&msdc_ctl);
break;
case MSDC_GET_CSD:
msdc_ctl.result = simple_sd_ioctl_get_csd(&msdc_ctl);
break;
case MSDC_GET_EXCSD:
msdc_ctl.result = simple_sd_ioctl_get_excsd(&msdc_ctl);
break;
case MSDC_DRIVING_SETTING:
pr_debug("in ioctl to change driving\n");
if (1 == msdc_ctl.iswrite){
msdc_ctl.result = simple_sd_ioctl_set_driving(&msdc_ctl);
} else {
msdc_ctl.result = simple_sd_ioctl_get_driving(&msdc_ctl);
}
break;
case MSDC_ERASE_PARTITION:
msdc_ctl.result = simple_mmc_erase_partition_wrap(&msdc_ctl);
break;
case MSDC_SD30_MODE_SWITCH:
msdc_ctl.result = simple_sd_ioctl_sd30_mode_switch(&msdc_ctl);
break;
default:
pr_err("simple_sd_ioctl:this opcode value is illegal!!\n");
return -EINVAL;
}
if (copy_to_user((struct msdc_ioctl*)arg, &msdc_ctl, sizeof(struct msdc_ioctl))) {
return -EFAULT;
}
return msdc_ctl.result;
}
}