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 ADBBusState ADBBusState; 37 typedef struct ADBDevice ADBDevice; 38 39 /* buf = NULL means polling */ 40 typedef int ADBDeviceRequest(ADBDevice *d, uint8_t *buf_out, 41 const uint8_t *buf, int len); 42 43 typedef bool ADBDeviceHasData(ADBDevice *d); 44 45 #define TYPE_ADB_DEVICE "adb-device" 46 typedef struct ADBDeviceClass ADBDeviceClass; 47 #define ADB_DEVICE(obj) OBJECT_CHECK(ADBDevice, (obj), TYPE_ADB_DEVICE) 48 49 struct ADBDevice { 50 /*< private >*/ 51 DeviceState parent_obj; 52 /*< public >*/ 53 54 int devaddr; 55 int handler; 56 }; 57 58 #define ADB_DEVICE_CLASS(cls) \ 59 OBJECT_CLASS_CHECK(ADBDeviceClass, (cls), TYPE_ADB_DEVICE) 60 #define ADB_DEVICE_GET_CLASS(obj) \ 61 OBJECT_GET_CLASS(ADBDeviceClass, (obj), TYPE_ADB_DEVICE) 62 63 struct ADBDeviceClass { 64 /*< private >*/ 65 DeviceClass parent_class; 66 /*< public >*/ 67 68 ADBDeviceRequest *devreq; 69 ADBDeviceHasData *devhasdata; 70 }; 71 72 #define TYPE_ADB_BUS "apple-desktop-bus" 73 #define ADB_BUS(obj) OBJECT_CHECK(ADBBusState, (obj), TYPE_ADB_BUS) 74 75 #define ADB_STATUS_BUSTIMEOUT 0x1 76 #define ADB_STATUS_POLLREPLY 0x2 77 78 struct ADBBusState { 79 /*< private >*/ 80 BusState parent_obj; 81 /*< public >*/ 82 83 ADBDevice *devices[MAX_ADB_DEVICES]; 84 uint16_t pending; 85 int nb_devices; 86 int poll_index; 87 uint8_t status; 88 89 QEMUTimer *autopoll_timer; 90 bool autopoll_enabled; 91 bool autopoll_blocked; 92 uint8_t autopoll_rate_ms; 93 uint16_t autopoll_mask; 94 void (*autopoll_cb)(void *opaque); 95 void *autopoll_cb_opaque; 96 }; 97 98 int adb_request(ADBBusState *s, uint8_t *buf_out, 99 const uint8_t *buf, int len); 100 int adb_poll(ADBBusState *s, uint8_t *buf_out, uint16_t poll_mask); 101 102 void adb_autopoll_block(ADBBusState *s); 103 void adb_autopoll_unblock(ADBBusState *s); 104 105 void adb_set_autopoll_enabled(ADBBusState *s, bool enabled); 106 void adb_set_autopoll_rate_ms(ADBBusState *s, int rate_ms); 107 void adb_set_autopoll_mask(ADBBusState *s, uint16_t mask); 108 void adb_register_autopoll_callback(ADBBusState *s, void (*cb)(void *opaque), 109 void *opaque); 110 111 #define TYPE_ADB_KEYBOARD "adb-keyboard" 112 #define TYPE_ADB_MOUSE "adb-mouse" 113 114 #endif /* ADB_H */ 115