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#ifndef HW_ESCC_H
#define HW_ESCC_H
#include "chardev/char-fe.h"
#include "chardev/char-serial.h"
#include "hw/sysbus.h"
#include "ui/input.h"
#include "qom/object.h"
/* escc.c */
#define TYPE_ESCC "escc"
#define ESCC_SIZE 4
OBJECT_DECLARE_SIMPLE_TYPE(ESCCState, ESCC)
typedef enum {
escc_chn_a, escc_chn_b,
} ESCCChnID;
typedef enum {
escc_serial, escc_kbd, escc_mouse,
} ESCCChnType;
#define ESCC_SERIO_QUEUE_SIZE 256
typedef struct {
uint8_t data[ESCC_SERIO_QUEUE_SIZE];
int rptr, wptr, count;
} ESCCSERIOQueue;
#define ESCC_SERIAL_REGS 16
typedef struct ESCCChannelState {
qemu_irq irq;
uint32_t rxint, txint, rxint_under_svc, txint_under_svc;
struct ESCCChannelState *otherchn;
uint32_t reg;
uint8_t wregs[ESCC_SERIAL_REGS], rregs[ESCC_SERIAL_REGS];
ESCCSERIOQueue queue;
CharBackend chr;
int e0_mode, led_mode, caps_lock_mode, num_lock_mode;
int disabled;
int clock;
uint32_t vmstate_dummy;
ESCCChnID chn; /* this channel, A (base+4) or B (base+0) */
ESCCChnType type;
uint8_t rx, tx;
QemuInputHandlerState *hs;
} ESCCChannelState;
struct ESCCState {
SysBusDevice parent_obj;
struct ESCCChannelState chn[2];
uint32_t it_shift;
bool bit_swap;
MemoryRegion mmio;
uint32_t disabled;
uint32_t frequency;
};
#endif
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