| 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/core/qdev.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 */ |