int simple_sd_ioctl_rw(struct msdc_ioctl* msdc_ctl)
{
if(msdc_ctl->total_size > 512)
return simple_sd_ioctl_multi_rw(msdc_ctl);
else
return simple_sd_ioctl_single_rw(msdc_ctl);
}
int simple_sd_ioctl_rw(struct msdc_ioctl *msdc_ctl)
{
if((msdc_ctl->total_size > 512) && (msdc_ctl->total_size <= MAX_REQ_SZ))
return simple_sd_ioctl_multi_rw(msdc_ctl);
else
return simple_sd_ioctl_single_rw(msdc_ctl);
}
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;
}
}
int emmc_dump_read(unsigned char* buf, unsigned int len, unsigned int offset,unsigned int slot)
{
/* maybe delete in furture */
struct msdc_ioctl msdc_ctl;
unsigned int i;
unsigned int l_user_begin_num = 0;
unsigned int l_dest_num = 0;
unsigned long long l_start_offset = 0;
unsigned int ret = SD_FALSE;
if ((0 != slot) || (0 != offset % 512) || (0 != len % 512)) {
/* emmc always in slot0 */
printk("debug: slot is not use for emmc!\n");
return ret;
}
/* find the offset in emmc */
for (i = 0; i < PART_NUM; i++) {
//for (i = 0; i < 1; i++) {
if ('m' == *(PartInfo[i].name) && 'b' == *(PartInfo[i].name + 1) &&
'r' == *(PartInfo[i].name + 2)){
l_user_begin_num = i;
}
if ('e' == *(PartInfo[i].name) && 'x' == *(PartInfo[i].name + 1) &&
'p' == *(PartInfo[i].name + 2) && 'd' == *(PartInfo[i].name + 3) &&
'b' == *(PartInfo[i].name + 4)){
l_dest_num = i;
}
}
#if DEBUG_MMC_IOCTL
printk("l_user_begin_num = %d l_dest_num = %d\n",l_user_begin_num,l_dest_num);
#endif
if (l_user_begin_num >= PART_NUM && l_dest_num >= PART_NUM) {
printk("not find in scatter file error!\n");
return ret;
}
if (PartInfo[l_dest_num].size < (len + offset)) {
printk("read operation oversize!\n");
return ret;
}
#if DEBUG_MMC_IOCTL
printk("read start address=0x%llx\n", PartInfo[l_dest_num].start_address - PartInfo[l_user_begin_num].start_address);
#endif
l_start_offset = offset + PartInfo[l_dest_num].start_address - PartInfo[l_user_begin_num].start_address;
msdc_ctl.partition = 0;
msdc_ctl.iswrite = 0;
msdc_ctl.host_num = slot;
msdc_ctl.opcode = MSDC_CARD_DUNM_FUNC;
msdc_ctl.total_size = 512;
msdc_ctl.trans_type = 0;
for (i = 0; i < (len/512); i++) {
/* code */
msdc_ctl.address = (l_start_offset >> 9) + i; //blk address
msdc_ctl.buffer =(u32*)(buf + i * 512);
#if DEBUG_MMC_IOCTL
printk("l_start_offset = 0x%x\n", msdc_ctl.address);
#endif
msdc_ctl.result = simple_sd_ioctl_single_rw(&msdc_ctl);
}
#if DEBUG_MMC_IOCTL
printk("read data:");
for (i = 0; i < 32; i++) {
printk("0x%x", buf[i]);
if (0 == (i+1)%32)
printk("\n");
}
#endif
return SD_TRUE;
}
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;
}
}