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-rw-r--r--include/hw/char/escc.h54
1 files changed, 49 insertions, 5 deletions
diff --git a/include/hw/char/escc.h b/include/hw/char/escc.h
index 08ae122386..42aca83611 100644
--- a/include/hw/char/escc.h
+++ b/include/hw/char/escc.h
@@ -1,14 +1,58 @@
#ifndef HW_ESCC_H
#define HW_ESCC_H
+#include "chardev/char-fe.h"
+#include "chardev/char-serial.h"
+#include "ui/input.h"
+
/* escc.c */
#define TYPE_ESCC "escc"
#define ESCC_SIZE 4
-MemoryRegion *escc_init(hwaddr base, qemu_irq irqA, qemu_irq irqB,
- Chardev *chrA, Chardev *chrB,
- int clock, int it_shift);
-void slavio_serial_ms_kbd_init(hwaddr base, qemu_irq irq,
- int disabled, int clock, int it_shift);
+#define ESCC(obj) OBJECT_CHECK(ESCCState, (obj), TYPE_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;
+
+typedef struct ESCCState {
+ SysBusDevice parent_obj;
+
+ struct ESCCChannelState chn[2];
+ uint32_t it_shift;
+ MemoryRegion mmio;
+ uint32_t disabled;
+ uint32_t frequency;
+} ESCCState;
#endif