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/*

 * QEMU ADB emulation shared definitions and prototypes

 *

 * Copyright (c) 2004-2007 Fabrice Bellard

 * Copyright (c) 2007 Jocelyn Mayer

 *

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to deal

 * in the Software without restriction, including without limitation the rights

 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

 * copies of the Software, and to permit persons to whom the Software is

 * furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

 * THE SOFTWARE.

 */

#if !defined(__ADB_H__)

#define __ADB_H__

#include "hw/qdev.h"

#define MAX_ADB_DEVICES 16

#define ADB_MAX_OUT_LEN 16

typedef struct ADBBusState ADBBusState;

typedef struct ADBDevice ADBDevice;

/* buf = NULL means polling */

typedef int ADBDeviceRequest(ADBDevice *d, uint8_t *buf_out,

                              const uint8_t *buf, int len);

#define TYPE_ADB_DEVICE "adb-device"

#define ADB_DEVICE(obj) OBJECT_CHECK(ADBDevice, (obj), TYPE_ADB_DEVICE)

struct ADBDevice {

    /*< private >*/

    DeviceState parent_obj;

    /*< public >*/

    int devaddr;

    int handler;

};

#define ADB_DEVICE_CLASS(cls) \

    OBJECT_CLASS_CHECK(ADBDeviceClass, (cls), TYPE_ADB_DEVICE)

#define ADB_DEVICE_GET_CLASS(obj) \

    OBJECT_GET_CLASS(ADBDeviceClass, (obj), TYPE_ADB_DEVICE)

typedef struct ADBDeviceClass {

    /*< private >*/

    DeviceClass parent_class;

    /*< public >*/

    ADBDeviceRequest *devreq;

} ADBDeviceClass;

#define TYPE_ADB_BUS "apple-desktop-bus"

#define ADB_BUS(obj) OBJECT_CHECK(ADBBusState, (obj), TYPE_ADB_BUS)

struct ADBBusState {

    /*< private >*/

    BusState parent_obj;

    /*< public >*/

    ADBDevice *devices[MAX_ADB_DEVICES];

    int nb_devices;

    int poll_index;

};

int adb_request(ADBBusState *s, uint8_t *buf_out,

                const uint8_t *buf, int len);

int adb_poll(ADBBusState *s, uint8_t *buf_out);

#define TYPE_ADB_KEYBOARD "adb-keyboard"

#define TYPE_ADB_MOUSE "adb-mouse"

#endif /* !defined(__ADB_H__) */