/*
* Copyright (C) 2005-2008 by Pieter Palmers
*
* This file is part of FFADO
* FFADO = Free Firewire (pro-)audio drivers for linux
*
* FFADO is based upon FreeBoB
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) version 3 of the License.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*
*/
#include
#include
#include "ieee1394service.h"
/**
* @param parent the 1394service that created this handler
* @param start identifies addressrange
* @param length identifies addressrange length (in bytes)
* @param initial_value pointer to buffer containing (if necessary) initial value
* NULL means undefined
* @param access_rights access-rights for registered addressrange handled
* by kernel-part. Value is one or more binary or of the
* following flags - ARM_READ, ARM_WRITE, ARM_LOCK
* @param notification_options identifies for which type of request you want
* to be notified. Value is one or more binary or of the
* following flags - ARM_READ, ARM_WRITE, ARM_LOCK
* @param client_transactions identifies for which type of request you want
* to handle the request by the client application.
* for those requests no response will be generated, but
* has to be generated by the application.
* Value is one or more binary or of the
* following flags - ARM_READ, ARM_WRITE, ARM_LOCK
* For each bit set here, notification_options and
* access_rights will be ignored.
*
*/
Ieee1394Service::ARMHandler::ARMHandler(Ieee1394Service &parent,
nodeaddr_t start, size_t length,
unsigned int access_rights,
unsigned int notification_options,
unsigned int client_transactions)
: m_parent(parent)
, m_start(start)
, m_length(length)
, m_access_rights(access_rights)
, m_notification_options(notification_options)
, m_client_transactions(client_transactions)
, m_buffer(0)
, m_debugModule(parent.m_debugModule)
{
m_buffer = (byte_t*)calloc(length, sizeof(byte_t));
memset(&m_response, 0, sizeof(m_response));
}
Ieee1394Service::ARMHandler::~ARMHandler() {
if(m_buffer)
delete m_buffer;
}
bool
Ieee1394Service::ARMHandler::handleRead(struct raw1394_arm_request *req) {
debugOutput(DEBUG_LEVEL_VERBOSE, "Read\n");
printRequest(req);
return true;
}
bool
Ieee1394Service::ARMHandler::handleWrite(struct raw1394_arm_request *req) {
debugOutput(DEBUG_LEVEL_VERBOSE, "Write\n");
printRequest(req);
return true;
}
bool
Ieee1394Service::ARMHandler::handleLock(struct raw1394_arm_request *req) {
debugOutput(DEBUG_LEVEL_VERBOSE, "Lock\n");
printRequest(req);
return true;
}
// typedef struct raw1394_arm_request {
// nodeid_t destination_nodeid;
// nodeid_t source_nodeid;
// nodeaddr_t destination_offset;
// u_int8_t tlabel;
// u_int8_t tcode;
// u_int8_t extended_transaction_code;
// u_int32_t generation;
// arm_length_t buffer_length;
// byte_t *buffer;
// } *raw1394_arm_request_t;
//
// typedef struct raw1394_arm_response {
// int response_code;
// arm_length_t buffer_length;
// byte_t *buffer;
// } *raw1394_arm_response_t;
//
// typedef struct raw1394_arm_request_response {
// struct raw1394_arm_request *request;
// struct raw1394_arm_response *response;
// } *raw1394_arm_request_response_t;
void
Ieee1394Service::ARMHandler::printRequest(struct raw1394_arm_request *arm_req) {
debugOutput(DEBUG_LEVEL_VERBOSE, " request info: \n");
debugOutput(DEBUG_LEVEL_VERBOSE, " from node 0x%04X to node 0x%04X\n",
arm_req->source_nodeid, arm_req->destination_nodeid);
debugOutput(DEBUG_LEVEL_VERBOSE, " tlabel: 0x%02X, tcode: 0x%02X, extended tcode: 0x%02X\n",
arm_req->tlabel, arm_req->tcode, arm_req->extended_transaction_code);
debugOutput(DEBUG_LEVEL_VERBOSE, " generation: %u\n",
arm_req->generation);
debugOutput(DEBUG_LEVEL_VERBOSE, " buffer length: %u\n",
arm_req->buffer_length);
printBufferBytes(DEBUG_LEVEL_VERBOSE, arm_req->buffer_length, arm_req->buffer);
}
void
Ieee1394Service::ARMHandler::printBufferBytes( unsigned int level, size_t length, byte_t* buffer ) const
{
for ( unsigned int i=0; i < length; ++i ) {
if ( ( i % 16 ) == 0 ) {
if ( i > 0 ) {
debugOutputShort(level,"\n");
}
debugOutputShort(level," %4d: ",i*16);
}
debugOutputShort(level,"%02X ",buffer[i]);
}
debugOutputShort(level,"\n");
}