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escc: Add dma stub.

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This commit is contained in:
joevt 2023-11-21 20:39:43 -08:00 committed by dingusdev
parent e1d43b8eb2
commit 1421ccc81e
1 changed files with 10 additions and 0 deletions
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10
devices/serial/escc.h
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@ -31,6 +31,8 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
#include <memory>
#include <string>
class DmaBidirChannel;
/** ESCC register positions */
/* Please note that the registers below are provided
by the Apple I/O controllers for accessing ESCC
@ -130,6 +132,12 @@ public:
uint8_t read(uint8_t reg_offset);
void write(uint8_t reg_offset, uint8_t value);
void dma_start();
void dma_stop();
void set_dma_channel(int ch_index, DmaBidirChannel *dma_ch) {
this->dma_ch[ch_index] = dma_ch;
};
private:
void reset();
void write_internal(EsccChannel* ch, uint8_t value);
@ -141,6 +149,8 @@ private:
uint8_t master_int_cntrl;
uint8_t int_vec;
DmaBidirChannel* dma_ch[4];
};
#endif // ESCC_H