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 */ 109