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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__

#define MAX_ADB_DEVICES 16

#define ADB_MAX_OUT_LEN 16

typedef struct ADBDevice ADBDevice;

/* buf = NULL means polling */

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

                              const uint8_t *buf, int len);

typedef int ADBDeviceReset(ADBDevice *d);

struct ADBDevice {

    struct ADBBusState *bus;

    int devaddr;

    int handler;

    ADBDeviceRequest *devreq;

    ADBDeviceReset *devreset;

    void *opaque;

};

typedef struct ADBBusState {

    ADBDevice devices[MAX_ADB_DEVICES];

    int nb_devices;

    int poll_index;

} ADBBusState;

int adb_request(ADBBusState *s, uint8_t *buf_out,

                const uint8_t *buf, int len);

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

ADBDevice *adb_register_device(ADBBusState *s, int devaddr,

                               ADBDeviceRequest *devreq,

                               ADBDeviceReset *devreset,

                               void *opaque);

void adb_kbd_init(ADBBusState *bus);

void adb_mouse_init(ADBBusState *bus);

extern ADBBusState adb_bus;

#endif /* !defined(__ADB_H__) */