projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| dcfda673 GH |
1 | #ifndef QEMU_HID_H |
| 2 | #define QEMU_HID_H | |
| 3 | ||
| 701a8f76 PB |
4 | #include "vmstate.h" |
| 5 | ||
| dcfda673 GH |
6 | #define HID_MOUSE 1 |
| 7 | #define HID_TABLET 2 | |
| 8 | #define HID_KEYBOARD 3 | |
| 9 | ||
| 10 | typedef struct HIDPointerEvent { | |
| 11 | int32_t xdx, ydy; /* relative iff it's a mouse, otherwise absolute */ | |
| 12 | int32_t dz, buttons_state; | |
| 13 | } HIDPointerEvent; | |
| 14 | ||
| 15 | #define QUEUE_LENGTH 16 /* should be enough for a triple-click */ | |
| 16 | #define QUEUE_MASK (QUEUE_LENGTH-1u) | |
| 17 | #define QUEUE_INCR(v) ((v)++, (v) &= QUEUE_MASK) | |
| 18 | ||
| 19 | typedef struct HIDState HIDState; | |
| 20 | typedef void (*HIDEventFunc)(HIDState *s); | |
| 21 | ||
| 22 | typedef struct HIDMouseState { | |
| 23 | HIDPointerEvent queue[QUEUE_LENGTH]; | |
| 24 | int mouse_grabbed; | |
| 25 | QEMUPutMouseEntry *eh_entry; | |
| 26 | } HIDMouseState; | |
| 27 | ||
| 28 | typedef struct HIDKeyboardState { | |
| 29 | uint32_t keycodes[QUEUE_LENGTH]; | |
| 30 | uint16_t modifiers; | |
| 31 | uint8_t leds; | |
| 32 | uint8_t key[16]; | |
| 33 | int32_t keys; | |
| 34 | } HIDKeyboardState; | |
| 35 | ||
| 36 | struct HIDState { | |
| 37 | union { | |
| 38 | HIDMouseState ptr; | |
| 39 | HIDKeyboardState kbd; | |
| 40 | }; | |
| 41 | uint32_t head; /* index into circular queue */ | |
| 42 | uint32_t n; | |
| 43 | int kind; | |
| b069d348 GH |
44 | int32_t protocol; |
| 45 | uint8_t idle; | |
| 46 | int64_t next_idle_clock; | |
| dcfda673 GH |
47 | HIDEventFunc event; |
| 48 | }; | |
| 49 | ||
| 50 | void hid_init(HIDState *hs, int kind, HIDEventFunc event); | |
| 51 | void hid_reset(HIDState *hs); | |
| 52 | void hid_free(HIDState *hs); | |
| 53 | ||
| 54 | bool hid_has_events(HIDState *hs); | |
| b069d348 | 55 | void hid_set_next_idle(HIDState *hs, int64_t curtime); |
| 21635e12 | 56 | void hid_pointer_activate(HIDState *hs); |
| dcfda673 GH |
57 | int hid_pointer_poll(HIDState *hs, uint8_t *buf, int len); |
| 58 | int hid_keyboard_poll(HIDState *hs, uint8_t *buf, int len); | |
| 59 | int hid_keyboard_write(HIDState *hs, uint8_t *buf, int len); | |
| 60 | ||
| 701a8f76 PB |
61 | extern const VMStateDescription vmstate_hid_keyboard_device; |
| 62 | ||
| 63 | #define VMSTATE_HID_KEYBOARD_DEVICE(_field, _state) { \ | |
| 64 | .name = (stringify(_field)), \ | |
| 65 | .size = sizeof(HIDState), \ | |
| 66 | .vmsd = &vmstate_hid_keyboard_device, \ | |
| 67 | .flags = VMS_STRUCT, \ | |
| 68 | .offset = vmstate_offset_value(_state, _field, HIDState), \ | |
| 69 | } | |
| 70 | ||
| 71 | extern const VMStateDescription vmstate_hid_ptr_device; | |
| 72 | ||
| 73 | #define VMSTATE_HID_POINTER_DEVICE(_field, _state) { \ | |
| 74 | .name = (stringify(_field)), \ | |
| 75 | .size = sizeof(HIDState), \ | |
| 76 | .vmsd = &vmstate_hid_ptr_device, \ | |
| 77 | .flags = VMS_STRUCT, \ | |
| 78 | .offset = vmstate_offset_value(_state, _field, HIDState), \ | |
| 79 | } | |
| 80 | ||
| 81 | ||
| dcfda673 | 82 | #endif /* QEMU_HID_H */ |