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qemu/include/hw/input/adb.h

109 lines
3.1 KiB
C

/*
* 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.
*/
#ifndef ADB_H
#define ADB_H
#include "hw/qdev-core.h"
#include "qom/object.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 bool ADBDeviceHasData(ADBDevice *d);
#define TYPE_ADB_DEVICE "adb-device"
OBJECT_DECLARE_TYPE(ADBDevice, ADBDeviceClass, ADB_DEVICE)
struct ADBDevice {
/*< private >*/
DeviceState parent_obj;
/*< public >*/
int devaddr;
int handler;
};
struct ADBDeviceClass {
/*< private >*/
DeviceClass parent_class;
/*< public >*/
ADBDeviceRequest *devreq;
ADBDeviceHasData *devhasdata;
};
#define TYPE_ADB_BUS "apple-desktop-bus"
OBJECT_DECLARE_SIMPLE_TYPE(ADBBusState, ADB_BUS)
#define ADB_STATUS_BUSTIMEOUT 0x1
#define ADB_STATUS_POLLREPLY 0x2
struct ADBBusState {
/*< private >*/
BusState parent_obj;
/*< public >*/
ADBDevice *devices[MAX_ADB_DEVICES];
uint16_t pending;
int nb_devices;
int poll_index;
uint8_t status;
QEMUTimer *autopoll_timer;
bool autopoll_enabled;
bool autopoll_blocked;
uint8_t autopoll_rate_ms;
uint16_t autopoll_mask;
void (*autopoll_cb)(void *opaque);
void *autopoll_cb_opaque;
};
int adb_request(ADBBusState *s, uint8_t *buf_out,
const uint8_t *buf, int len);
int adb_poll(ADBBusState *s, uint8_t *buf_out, uint16_t poll_mask);
void adb_autopoll_block(ADBBusState *s);
void adb_autopoll_unblock(ADBBusState *s);
void adb_set_autopoll_enabled(ADBBusState *s, bool enabled);
void adb_set_autopoll_rate_ms(ADBBusState *s, int rate_ms);
void adb_set_autopoll_mask(ADBBusState *s, uint16_t mask);
void adb_register_autopoll_callback(ADBBusState *s, void (*cb)(void *opaque),
void *opaque);
#define TYPE_ADB_KEYBOARD "adb-keyboard"
#define TYPE_ADB_MOUSE "adb-mouse"
#endif /* ADB_H */