int cec_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
unsigned int laddr;
unsigned int uiData;
DPRINTK(KERN_INFO "%s\n", __FUNCTION__);
switch (cmd) {
case CEC_IOC_START:
cec_start();
break;
case CEC_IOC_STOP:
cec_stop();
break;
case CEC_IOC_SETLADDR:
DPRINTK(KERN_INFO "CEC: ioctl(CEC_IOC_SETLADDR)\n");
if (get_user(laddr, (unsigned int __user *) arg))
return -EFAULT;
DPRINTK(KERN_INFO "CEC: logical address = 0x%02x\n", laddr);
writeb(laddr & 0x0F, CEC_LOGIC_ADDR);
break;
case CEC_IOC_SENDDATA:
DPRINTK(KERN_INFO "CEC: ioctl(CEC_IOC_SENDDATA)\n");
if (get_user(uiData, (unsigned int __user *) arg))
return -EFAULT;
DPRINTK(KERN_INFO "CEC: SendData = 0x%02x\n", uiData);
TccCECInterface_SendData( 0, uiData);
break;
case CEC_IOC_RECVDATA:
break;
default:
return -EINVAL;
}
return 0;
}
/**************************************************************************
* FUNCTION NAME :
*
* int TccCECInterface_ParseMessage(char *buffer, int size);
*
* DESCRIPTION : You can add file description here.
*
* INPUT:
* buffer =
* size =
*
* OUTPUT: int - Return Type
* =
*
* REMARK: created on 20101224 11:57:52
**************************************************************************/
int TccCECInterface_ParseMessage(char *buffer, int size)
{
unsigned char lsrc, ldst, opcode;
lsrc = buffer[0] >> 4;
DPRINTK(KERN_INFO "CEC lsrc %d buffer[1]:%d !!\n", lsrc , buffer[1]);
opcode = buffer[1];
if (TccCECInterface_IgnoreMessage(opcode, lsrc)) {
DPRINTK(KERN_INFO "### ignore message coming from address 15 (unregistered)\n");
return -1;
}
if (!TccCECInterface_CheckMessageSize(opcode, size)) {
DPRINTK(KERN_INFO "### invalid message size ###\n");
return -1;
}
/* check if message broadcast/directly addressed */
if (!TccCECInterface_CheckMessageMode(opcode, (buffer[0] & 0x0F) == CEC_MSG_BROADCAST ? 1 : 0)) {
DPRINTK(KERN_INFO "### invalid message mode (directly addressed/broadcast) ###\n");
return -1;
}
ldst = lsrc;
//TODO: macroses to extract src and dst logical addresses
//TODO: macros to extract opcode
switch (opcode) {
case CEC_OPCODE_GIVE_PHYSICAL_ADDRESS:
{
DPRINTK(KERN_INFO "### GIVE PHYSICAL ADDRESS ###\n");
break;
}
case CEC_OPCODE_SET_MENU_LANGUAGE:
{
DPRINTK(KERN_INFO "the menu language will be changed!!!\n");
break;
}
case CEC_OPCODE_REPORT_PHYSICAL_ADDRESS:// TV
case CEC_OPCODE_ACTIVE_SOURCE: // TV, CEC Switches
case CEC_OPCODE_ROUTING_CHANGE: // CEC Switches
case CEC_OPCODE_ROUTING_INFORMATION: // CEC Switches
case CEC_OPCODE_SET_STREAM_PATH: // CEC Switches
case CEC_OPCODE_SET_SYSTEM_AUDIO_MODE: // TV
case CEC_OPCODE_DEVICE_VENDOR_ID: // ???
break;
case CEC_OPCODE_DECK_CONTROL:
if (buffer[2] == CEC_DECK_CONTROL_MODE_STOP) {
DPRINTK(KERN_INFO "### DECK CONTROL : STOP ###\n");
TccCECInterface_SendData(CEC_OPCODE_DECK_CONTROL, CEC_DECK_CONTROL_MODE_STOP);
}
break;
case CEC_OPCODE_PLAY:
if (buffer[2] == CEC_PLAY_MODE_PLAY_FORWARD) {
DPRINTK(KERN_INFO "### PLAY MODE : PLAY ###\n");
TccCECInterface_SendData(CEC_OPCODE_PLAY, CEC_PLAY_MODE_PLAY_FORWARD);
}
else if (buffer[2] == CEC_PLAY_MODE_PLAY_STILL) {
DPRINTK(KERN_INFO "### PAUSE MODE : PAUSE ###\n");
TccCECInterface_SendData(CEC_OPCODE_PLAY, CEC_PLAY_MODE_PLAY_STILL);
}
break;
case CEC_OPCODE_STANDBY:
DPRINTK(KERN_INFO "### switching device into standby... ###\n");
break;
case CEC_OPCODE_USER_CONTROL_PRESSED:
DPRINTK(KERN_INFO "CEC_OPCODE_USER_CONTROL_PRESSED : operation id = %d", buffer[2]);
switch(buffer[2])
{
case CEC_USER_CONTROL_MODE_FAST_FORWARD:
case CEC_USER_CONTROL_MODE_REWIND:
case CEC_USER_CONTROL_MODE_SELECT:
case CEC_USER_CONTROL_MODE_UP:
case CEC_USER_CONTROL_MODE_DOWN:
case CEC_USER_CONTROL_MODE_LEFT:
case CEC_USER_CONTROL_MODE_RIGHT:
case CEC_USER_CONTROL_MODE_EXIT:
case CEC_USER_CONTROL_MODE_NUMBER_0:
case CEC_USER_CONTROL_MODE_NUMBER_1:
case CEC_USER_CONTROL_MODE_NUMBER_2:
case CEC_USER_CONTROL_MODE_NUMBER_3:
case CEC_USER_CONTROL_MODE_NUMBER_4:
case CEC_USER_CONTROL_MODE_NUMBER_5:
case CEC_USER_CONTROL_MODE_NUMBER_6:
case CEC_USER_CONTROL_MODE_NUMBER_7:
case CEC_USER_CONTROL_MODE_NUMBER_8:
case CEC_USER_CONTROL_MODE_NUMBER_9:
case CEC_USER_CONTROL_MODE_DOT:
TccCECInterface_SendData(CEC_OPCODE_USER_CONTROL_PRESSED, buffer[2]);
break;
default:
break;
}
break;
case CEC_OPCODE_REQUEST_ACTIVE_SOURCE:
break;
default:
break;
}
return 1;
}
