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amic: implement SCSI DRQ callback.

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This commit is contained in:
Maxim Poliakovski 2023-11-01 16:13:12 +01:00
parent 9e54fb88f8
commit ae903082d8
2 changed files with 16 additions and 1 deletions
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8
devices/common/scsi/sc53c94.h
View File

@ -32,6 +32,7 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
#include <devices/common/scsi/scsi.h>
#include <cinttypes>
#include <functional>
#include <memory>
class DmaBidirChannel;
@ -145,6 +146,8 @@ typedef struct {
int status;
} SeqDesc;
typedef std::function<void(const uint8_t drq_state)> DrqCb;
class Sc53C94 : public ScsiDevice {
public:
Sc53C94(uint8_t chip_id=12, uint8_t my_id=7);
@ -169,6 +172,10 @@ public:
this->dma_ch = dma_ch;
};
void set_drq_callback(DrqCb cb) {
this->drq_cb = cb;
}
// ScsiDevice methods
void notify(ScsiMsg msg_type, int param);
bool prepare_data() { return false; };
@ -233,6 +240,7 @@ private:
// DMA related stuff
DmaBidirChannel* dma_ch;
DrqCb drq_cb = nullptr;
};
#endif // SC_53C94_H

9
devices/ioctrl/amic.cpp
View File

@ -47,7 +47,7 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
AMIC::AMIC() : MMIODevice()
{
this->name = "Apple Memory-mapped I/O Controller";
this->set_name("Apple Memory-mapped I/O Controller");
supports_types(HWCompType::MMIO_DEV | HWCompType::INT_CTRL);
@ -55,6 +55,13 @@ AMIC::AMIC() : MMIODevice()
this->scsi = dynamic_cast<Sc53C94*>(gMachineObj->get_comp_by_name("Sc53C94"));
this->scsi_dma = std::unique_ptr<AmicScsiDma> (new AmicScsiDma());
this->scsi->set_dma_channel(this->scsi_dma.get());
this->scsi->set_drq_callback([this](const uint8_t drq_state) {
if (drq_state & 1)
via2_ifr |= VIA2_INT_SCSI_DRQ;
else
via2_ifr &= ~VIA2_INT_SCSI_DRQ;
this->update_via2_irq();
});
// connect serial HW
this->escc = dynamic_cast<EsccController*>(gMachineObj->get_comp_by_name("Escc"));