diff options
Diffstat (limited to 'include/hw/char/escc.h')
-rw-r--r-- | include/hw/char/escc.h | 54 |
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 |