/dev/odm
< /dev
/dev/odm can be used to communicate with the disc drive. Once opened, ioctl() requests can be issued to the interface, which are documented below.
ioctl() interface
0x00 - Unknown
Calls odmMethodStartStopUnit.
0x01 - Unknown
Calls odmMethodStartStopUnit in a loop.
0x02 - ODMAwakeMotor()
0x03 - Unknown
0x04 - ODMGetDriveState()
| Value | ODM State |
|---|---|
| 0 | NONE |
| 1 | INITIAL |
| 2 | AUTHENTICATION |
| 3 | WAIT_FOR_DISC_READY |
| 4 | CAFE_DISC |
| 5 | RVL_DISC |
| 6 | CLEANING_DISC |
| 8 | INVALID_DISC |
| 9 | DIRTY_DISC |
| 10 | NO_DISC |
| 11 | INVALID_DRIVE |
| 12 | FATAL |
| 13 | HARD_FATAL |
| 14 | SHUTDOWN |
0x05 - ODMControlMotor(buffer_io[0] = command)
command: 1 = MOTOR_START; 2 = MOTOR_STOP;
0x06 - ODMGetDiscUniqueCode(buffer_io[0] = type)
type: 1 = Disc serial ID; 2 = UNKNOWN;