dingusppc/devices/common/ata/atapibasedevice.h
Maxim Poliakovski fc26be3e24 atapibasedevice: implement PIO transfers.
Also move ATAPI CD-ROM related stuff to separate
source and implement various helpers.
2023-06-18 23:33:57 +02:00

64 lines
1.9 KiB
C++

/*
DingusPPC - The Experimental PowerPC Macintosh emulator
Copyright (C) 2018-23 divingkatae and maximum
(theweirdo) spatium
(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
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 3 of the License, or
(at your option) any later version.
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 <https://www.gnu.org/licenses/>.
*/
/** @file Base class for ATAPI devices. */
#ifndef ATAPI_BASE_DEVICE_H
#define ATAPI_BASE_DEVICE_H
#include <devices/common/ata/atabasedevice.h>
#include <devices/common/ata/atadefs.h>
#include <cinttypes>
#include <string>
class AtapiBaseDevice : public AtaBaseDevice
{
public:
AtapiBaseDevice(const std::string name);
~AtapiBaseDevice() = default;
void device_set_signature() override;
uint16_t read(const uint8_t reg_addr) override;
void write(const uint8_t reg_addr, const uint16_t value) override;
// methods to be implemented in the particular device
int perform_command() override;
virtual void perform_packet_command() = 0;
virtual int request_data() = 0;
virtual bool data_available() = 0;
// methods with default implementation
virtual void data_out_phase();
virtual void signal_data_ready();
virtual void present_status();
protected:
uint8_t r_int_reason;
uint16_t r_byte_count;
bool status_expected = false;
uint8_t cmd_pkt[12] = {};
};
#endif // ATAPI_BASE_DEVICE_H