qemu

FORK: QEMU emulator
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adb.h (3222B)

      1 /*
      2  * QEMU ADB emulation shared definitions and prototypes
      3  *
      4  * Copyright (c) 2004-2007 Fabrice Bellard
      5  * Copyright (c) 2007 Jocelyn Mayer
      6  *
      7  * Permission is hereby granted, free of charge, to any person obtaining a copy
      8  * of this software and associated documentation files (the "Software"), to deal
      9  * in the Software without restriction, including without limitation the rights
     10  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     11  * copies of the Software, and to permit persons to whom the Software is
     12  * furnished to do so, subject to the following conditions:
     13  *
     14  * The above copyright notice and this permission notice shall be included in
     15  * all copies or substantial portions of the Software.
     16  *
     17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
     20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
     23  * THE SOFTWARE.
     24  */
     25 
     26 #ifndef ADB_H
     27 #define ADB_H
     28 
     29 #include "hw/qdev-core.h"
     30 #include "qom/object.h"
     31 
     32 #define MAX_ADB_DEVICES 16
     33 
     34 #define ADB_MAX_OUT_LEN 16
     35 
     36 typedef struct ADBDevice ADBDevice;
     37 
     38 /* buf = NULL means polling */
     39 typedef int ADBDeviceRequest(ADBDevice *d, uint8_t *buf_out,
     40                               const uint8_t *buf, int len);
     41 
     42 typedef bool ADBDeviceHasData(ADBDevice *d);
     43 
     44 #define TYPE_ADB_DEVICE "adb-device"
     45 OBJECT_DECLARE_TYPE(ADBDevice, ADBDeviceClass, ADB_DEVICE)
     46 
     47 struct ADBDevice {
     48     /*< private >*/
     49     DeviceState parent_obj;
     50     /*< public >*/
     51 
     52     int devaddr;
     53     int handler;
     54 };
     55 
     56 
     57 struct ADBDeviceClass {
     58     /*< private >*/
     59     DeviceClass parent_class;
     60     /*< public >*/
     61 
     62     ADBDeviceRequest *devreq;
     63     ADBDeviceHasData *devhasdata;
     64 };
     65 
     66 #define TYPE_ADB_BUS "apple-desktop-bus"
     67 OBJECT_DECLARE_SIMPLE_TYPE(ADBBusState, ADB_BUS)
     68 
     69 #define ADB_STATUS_BUSTIMEOUT  0x1
     70 #define ADB_STATUS_POLLREPLY   0x2
     71 
     72 struct ADBBusState {
     73     /*< private >*/
     74     BusState parent_obj;
     75     /*< public >*/
     76 
     77     ADBDevice *devices[MAX_ADB_DEVICES];
     78     uint16_t pending;
     79     int nb_devices;
     80     int poll_index;
     81     uint8_t status;
     82 
     83     QEMUTimer *autopoll_timer;
     84     bool autopoll_enabled;
     85     bool autopoll_blocked;
     86     uint8_t autopoll_rate_ms;
     87     uint16_t autopoll_mask;
     88     void (*autopoll_cb)(void *opaque);
     89     void *autopoll_cb_opaque;
     90 };
     91 
     92 int adb_request(ADBBusState *s, uint8_t *buf_out,
     93                 const uint8_t *buf, int len);
     94 int adb_poll(ADBBusState *s, uint8_t *buf_out, uint16_t poll_mask);
     95 
     96 void adb_autopoll_block(ADBBusState *s);
     97 void adb_autopoll_unblock(ADBBusState *s);
     98 
     99 void adb_set_autopoll_enabled(ADBBusState *s, bool enabled);
    100 void adb_set_autopoll_rate_ms(ADBBusState *s, int rate_ms);
    101 void adb_set_autopoll_mask(ADBBusState *s, uint16_t mask);
    102 void adb_register_autopoll_callback(ADBBusState *s, void (*cb)(void *opaque),
    103                                     void *opaque);
    104 
    105 #define TYPE_ADB_KEYBOARD "adb-keyboard"
    106 #define TYPE_ADB_MOUSE "adb-mouse"
    107 
    108 #endif /* ADB_H */