diff options
author | Paolo Bonzini <pbonzini@redhat.com> | 2013-02-05 17:06:20 +0100 |
---|---|---|
committer | Paolo Bonzini <pbonzini@redhat.com> | 2013-04-08 18:13:10 +0200 |
commit | 0d09e41a51aa0752b1ce525ce084f7cd210e461b (patch) | |
tree | dc92b5b32c1e3182afa9bfd16a46a0a089320102 /include/hw/input/hid.h | |
parent | bb585a784e9ad69207315d694e7dad2c422f6baa (diff) |
hw: move headers to include/
Many of these should be cleaned up with proper qdev-/QOM-ification.
Right now there are many catch-all headers in include/hw/ARCH depending
on cpu.h, and this makes it necessary to compile these files per-target.
However, fixing this does not belong in these patches.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include/hw/input/hid.h')
-rw-r--r-- | include/hw/input/hid.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/include/hw/input/hid.h b/include/hw/input/hid.h new file mode 100644 index 0000000000..56c71ed5ae --- /dev/null +++ b/include/hw/input/hid.h @@ -0,0 +1,83 @@ +#ifndef QEMU_HID_H +#define QEMU_HID_H + +#include "migration/vmstate.h" + +#define HID_MOUSE 1 +#define HID_TABLET 2 +#define HID_KEYBOARD 3 + +typedef struct HIDPointerEvent { + int32_t xdx, ydy; /* relative iff it's a mouse, otherwise absolute */ + int32_t dz, buttons_state; +} HIDPointerEvent; + +#define QUEUE_LENGTH 16 /* should be enough for a triple-click */ +#define QUEUE_MASK (QUEUE_LENGTH-1u) +#define QUEUE_INCR(v) ((v)++, (v) &= QUEUE_MASK) + +typedef struct HIDState HIDState; +typedef void (*HIDEventFunc)(HIDState *s); + +typedef struct HIDMouseState { + HIDPointerEvent queue[QUEUE_LENGTH]; + int mouse_grabbed; + QEMUPutMouseEntry *eh_entry; +} HIDMouseState; + +typedef struct HIDKeyboardState { + uint32_t keycodes[QUEUE_LENGTH]; + uint16_t modifiers; + uint8_t leds; + uint8_t key[16]; + int32_t keys; +} HIDKeyboardState; + +struct HIDState { + union { + HIDMouseState ptr; + HIDKeyboardState kbd; + }; + uint32_t head; /* index into circular queue */ + uint32_t n; + int kind; + int32_t protocol; + uint8_t idle; + bool idle_pending; + QEMUTimer *idle_timer; + HIDEventFunc event; +}; + +void hid_init(HIDState *hs, int kind, HIDEventFunc event); +void hid_reset(HIDState *hs); +void hid_free(HIDState *hs); + +bool hid_has_events(HIDState *hs); +void hid_set_next_idle(HIDState *hs); +void hid_pointer_activate(HIDState *hs); +int hid_pointer_poll(HIDState *hs, uint8_t *buf, int len); +int hid_keyboard_poll(HIDState *hs, uint8_t *buf, int len); +int hid_keyboard_write(HIDState *hs, uint8_t *buf, int len); + +extern const VMStateDescription vmstate_hid_keyboard_device; + +#define VMSTATE_HID_KEYBOARD_DEVICE(_field, _state) { \ + .name = (stringify(_field)), \ + .size = sizeof(HIDState), \ + .vmsd = &vmstate_hid_keyboard_device, \ + .flags = VMS_STRUCT, \ + .offset = vmstate_offset_value(_state, _field, HIDState), \ +} + +extern const VMStateDescription vmstate_hid_ptr_device; + +#define VMSTATE_HID_POINTER_DEVICE(_field, _state) { \ + .name = (stringify(_field)), \ + .size = sizeof(HIDState), \ + .vmsd = &vmstate_hid_ptr_device, \ + .flags = VMS_STRUCT, \ + .offset = vmstate_offset_value(_state, _field, HIDState), \ +} + + +#endif /* QEMU_HID_H */ |