| /* |
| * This work is licensed under the terms of the GNU GPL, version 2 or |
| * (at your option) any later version. See the COPYING file in the |
| * top-level directory. |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "qemu/iov.h" |
| #include "qemu/module.h" |
| |
| #include "hw/virtio/virtio.h" |
| #include "hw/qdev-properties.h" |
| #include "hw/virtio/virtio-input.h" |
| |
| #include "ui/console.h" |
| |
| #include "standard-headers/linux/input.h" |
| |
| #define VIRTIO_ID_NAME_KEYBOARD "QEMU Virtio Keyboard" |
| #define VIRTIO_ID_NAME_MOUSE "QEMU Virtio Mouse" |
| #define VIRTIO_ID_NAME_TABLET "QEMU Virtio Tablet" |
| |
| /* ----------------------------------------------------------------- */ |
| |
| static const unsigned short keymap_button[INPUT_BUTTON__MAX] = { |
| [INPUT_BUTTON_LEFT] = BTN_LEFT, |
| [INPUT_BUTTON_RIGHT] = BTN_RIGHT, |
| [INPUT_BUTTON_MIDDLE] = BTN_MIDDLE, |
| [INPUT_BUTTON_WHEEL_UP] = BTN_GEAR_UP, |
| [INPUT_BUTTON_WHEEL_DOWN] = BTN_GEAR_DOWN, |
| [INPUT_BUTTON_SIDE] = BTN_SIDE, |
| [INPUT_BUTTON_EXTRA] = BTN_EXTRA, |
| }; |
| |
| static const unsigned short axismap_rel[INPUT_AXIS__MAX] = { |
| [INPUT_AXIS_X] = REL_X, |
| [INPUT_AXIS_Y] = REL_Y, |
| }; |
| |
| static const unsigned short axismap_abs[INPUT_AXIS__MAX] = { |
| [INPUT_AXIS_X] = ABS_X, |
| [INPUT_AXIS_Y] = ABS_Y, |
| }; |
| |
| /* ----------------------------------------------------------------- */ |
| |
| static void virtio_input_key_config(VirtIOInput *vinput, |
| const unsigned short *keymap, |
| size_t mapsize) |
| { |
| virtio_input_config keys; |
| int i, bit, byte, bmax = 0; |
| |
| memset(&keys, 0, sizeof(keys)); |
| for (i = 0; i < mapsize; i++) { |
| bit = keymap[i]; |
| if (!bit) { |
| continue; |
| } |
| byte = bit / 8; |
| bit = bit % 8; |
| keys.u.bitmap[byte] |= (1 << bit); |
| if (bmax < byte+1) { |
| bmax = byte+1; |
| } |
| } |
| keys.select = VIRTIO_INPUT_CFG_EV_BITS; |
| keys.subsel = EV_KEY; |
| keys.size = bmax; |
| virtio_input_add_config(vinput, &keys); |
| } |
| |
| static void virtio_input_handle_event(DeviceState *dev, QemuConsole *src, |
| InputEvent *evt) |
| { |
| VirtIOInputHID *vhid = VIRTIO_INPUT_HID(dev); |
| VirtIOInput *vinput = VIRTIO_INPUT(dev); |
| virtio_input_event event; |
| int qcode; |
| InputKeyEvent *key; |
| InputMoveEvent *move; |
| InputBtnEvent *btn; |
| |
| switch (evt->type) { |
| case INPUT_EVENT_KIND_KEY: |
| key = evt->u.key.data; |
| qcode = qemu_input_key_value_to_qcode(key->key); |
| if (qcode < qemu_input_map_qcode_to_linux_len && |
| qemu_input_map_qcode_to_linux[qcode]) { |
| event.type = cpu_to_le16(EV_KEY); |
| event.code = cpu_to_le16(qemu_input_map_qcode_to_linux[qcode]); |
| event.value = cpu_to_le32(key->down ? 1 : 0); |
| virtio_input_send(vinput, &event); |
| } else { |
| if (key->down) { |
| fprintf(stderr, "%s: unmapped key: %d [%s]\n", __func__, |
| qcode, QKeyCode_str(qcode)); |
| } |
| } |
| break; |
| case INPUT_EVENT_KIND_BTN: |
| btn = evt->u.btn.data; |
| if (vhid->wheel_axis && |
| (btn->button == INPUT_BUTTON_WHEEL_UP || |
| btn->button == INPUT_BUTTON_WHEEL_DOWN) && |
| btn->down) { |
| event.type = cpu_to_le16(EV_REL); |
| event.code = cpu_to_le16(REL_WHEEL); |
| event.value = cpu_to_le32(btn->button == INPUT_BUTTON_WHEEL_UP |
| ? 1 : -1); |
| virtio_input_send(vinput, &event); |
| } else if (keymap_button[btn->button]) { |
| event.type = cpu_to_le16(EV_KEY); |
| event.code = cpu_to_le16(keymap_button[btn->button]); |
| event.value = cpu_to_le32(btn->down ? 1 : 0); |
| virtio_input_send(vinput, &event); |
| } else { |
| if (btn->down) { |
| fprintf(stderr, "%s: unmapped button: %d [%s]\n", __func__, |
| btn->button, |
| InputButton_str(btn->button)); |
| } |
| } |
| break; |
| case INPUT_EVENT_KIND_REL: |
| move = evt->u.rel.data; |
| event.type = cpu_to_le16(EV_REL); |
| event.code = cpu_to_le16(axismap_rel[move->axis]); |
| event.value = cpu_to_le32(move->value); |
| virtio_input_send(vinput, &event); |
| break; |
| case INPUT_EVENT_KIND_ABS: |
| move = evt->u.abs.data; |
| event.type = cpu_to_le16(EV_ABS); |
| event.code = cpu_to_le16(axismap_abs[move->axis]); |
| event.value = cpu_to_le32(move->value); |
| virtio_input_send(vinput, &event); |
| break; |
| default: |
| /* keep gcc happy */ |
| break; |
| } |
| } |
| |
| static void virtio_input_handle_sync(DeviceState *dev) |
| { |
| VirtIOInput *vinput = VIRTIO_INPUT(dev); |
| virtio_input_event event = { |
| .type = cpu_to_le16(EV_SYN), |
| .code = cpu_to_le16(SYN_REPORT), |
| .value = 0, |
| }; |
| |
| virtio_input_send(vinput, &event); |
| } |
| |
| static void virtio_input_hid_realize(DeviceState *dev, Error **errp) |
| { |
| VirtIOInputHID *vhid = VIRTIO_INPUT_HID(dev); |
| |
| vhid->hs = qemu_input_handler_register(dev, vhid->handler); |
| if (vhid->display && vhid->hs) { |
| qemu_input_handler_bind(vhid->hs, vhid->display, vhid->head, NULL); |
| } |
| } |
| |
| static void virtio_input_hid_unrealize(DeviceState *dev) |
| { |
| VirtIOInputHID *vhid = VIRTIO_INPUT_HID(dev); |
| qemu_input_handler_unregister(vhid->hs); |
| } |
| |
| static void virtio_input_hid_change_active(VirtIOInput *vinput) |
| { |
| VirtIOInputHID *vhid = VIRTIO_INPUT_HID(vinput); |
| |
| if (vinput->active) { |
| qemu_input_handler_activate(vhid->hs); |
| } else { |
| qemu_input_handler_deactivate(vhid->hs); |
| } |
| } |
| |
| static void virtio_input_hid_handle_status(VirtIOInput *vinput, |
| virtio_input_event *event) |
| { |
| VirtIOInputHID *vhid = VIRTIO_INPUT_HID(vinput); |
| int ledbit = 0; |
| |
| switch (le16_to_cpu(event->type)) { |
| case EV_LED: |
| if (event->code == LED_NUML) { |
| ledbit = QEMU_NUM_LOCK_LED; |
| } else if (event->code == LED_CAPSL) { |
| ledbit = QEMU_CAPS_LOCK_LED; |
| } else if (event->code == LED_SCROLLL) { |
| ledbit = QEMU_SCROLL_LOCK_LED; |
| } |
| if (event->value) { |
| vhid->ledstate |= ledbit; |
| } else { |
| vhid->ledstate &= ~ledbit; |
| } |
| kbd_put_ledstate(vhid->ledstate); |
| break; |
| default: |
| fprintf(stderr, "%s: unknown type %d\n", __func__, |
| le16_to_cpu(event->type)); |
| break; |
| } |
| } |
| |
| static Property virtio_input_hid_properties[] = { |
| DEFINE_PROP_STRING("display", VirtIOInputHID, display), |
| DEFINE_PROP_UINT32("head", VirtIOInputHID, head, 0), |
| DEFINE_PROP_END_OF_LIST(), |
| }; |
| |
| static void virtio_input_hid_class_init(ObjectClass *klass, void *data) |
| { |
| DeviceClass *dc = DEVICE_CLASS(klass); |
| VirtIOInputClass *vic = VIRTIO_INPUT_CLASS(klass); |
| |
| device_class_set_props(dc, virtio_input_hid_properties); |
| vic->realize = virtio_input_hid_realize; |
| vic->unrealize = virtio_input_hid_unrealize; |
| vic->change_active = virtio_input_hid_change_active; |
| vic->handle_status = virtio_input_hid_handle_status; |
| } |
| |
| static const TypeInfo virtio_input_hid_info = { |
| .name = TYPE_VIRTIO_INPUT_HID, |
| .parent = TYPE_VIRTIO_INPUT, |
| .instance_size = sizeof(VirtIOInputHID), |
| .class_init = virtio_input_hid_class_init, |
| .abstract = true, |
| }; |
| |
| /* ----------------------------------------------------------------- */ |
| |
| static QemuInputHandler virtio_keyboard_handler = { |
| .name = VIRTIO_ID_NAME_KEYBOARD, |
| .mask = INPUT_EVENT_MASK_KEY, |
| .event = virtio_input_handle_event, |
| .sync = virtio_input_handle_sync, |
| }; |
| |
| static struct virtio_input_config virtio_keyboard_config[] = { |
| { |
| .select = VIRTIO_INPUT_CFG_ID_NAME, |
| .size = sizeof(VIRTIO_ID_NAME_KEYBOARD), |
| .u.string = VIRTIO_ID_NAME_KEYBOARD, |
| },{ |
| .select = VIRTIO_INPUT_CFG_ID_DEVIDS, |
| .size = sizeof(struct virtio_input_devids), |
| .u.ids = { |
| .bustype = const_le16(BUS_VIRTUAL), |
| .vendor = const_le16(0x0627), /* same we use for usb hid devices */ |
| .product = const_le16(0x0001), |
| .version = const_le16(0x0001), |
| }, |
| },{ |
| .select = VIRTIO_INPUT_CFG_EV_BITS, |
| .subsel = EV_REP, |
| .size = 1, |
| },{ |
| .select = VIRTIO_INPUT_CFG_EV_BITS, |
| .subsel = EV_LED, |
| .size = 1, |
| .u.bitmap = { |
| (1 << LED_NUML) | (1 << LED_CAPSL) | (1 << LED_SCROLLL), |
| }, |
| }, |
| { /* end of list */ }, |
| }; |
| |
| static void virtio_keyboard_init(Object *obj) |
| { |
| VirtIOInputHID *vhid = VIRTIO_INPUT_HID(obj); |
| VirtIOInput *vinput = VIRTIO_INPUT(obj); |
| |
| vhid->handler = &virtio_keyboard_handler; |
| virtio_input_init_config(vinput, virtio_keyboard_config); |
| virtio_input_key_config(vinput, qemu_input_map_qcode_to_linux, |
| qemu_input_map_qcode_to_linux_len); |
| } |
| |
| static const TypeInfo virtio_keyboard_info = { |
| .name = TYPE_VIRTIO_KEYBOARD, |
| .parent = TYPE_VIRTIO_INPUT_HID, |
| .instance_size = sizeof(VirtIOInputHID), |
| .instance_init = virtio_keyboard_init, |
| }; |
| |
| /* ----------------------------------------------------------------- */ |
| |
| static QemuInputHandler virtio_mouse_handler = { |
| .name = VIRTIO_ID_NAME_MOUSE, |
| .mask = INPUT_EVENT_MASK_BTN | INPUT_EVENT_MASK_REL, |
| .event = virtio_input_handle_event, |
| .sync = virtio_input_handle_sync, |
| }; |
| |
| static struct virtio_input_config virtio_mouse_config_v1[] = { |
| { |
| .select = VIRTIO_INPUT_CFG_ID_NAME, |
| .size = sizeof(VIRTIO_ID_NAME_MOUSE), |
| .u.string = VIRTIO_ID_NAME_MOUSE, |
| },{ |
| .select = VIRTIO_INPUT_CFG_ID_DEVIDS, |
| .size = sizeof(struct virtio_input_devids), |
| .u.ids = { |
| .bustype = const_le16(BUS_VIRTUAL), |
| .vendor = const_le16(0x0627), /* same we use for usb hid devices */ |
| .product = const_le16(0x0002), |
| .version = const_le16(0x0001), |
| }, |
| },{ |
| .select = VIRTIO_INPUT_CFG_EV_BITS, |
| .subsel = EV_REL, |
| .size = 1, |
| .u.bitmap = { |
| (1 << REL_X) | (1 << REL_Y), |
| }, |
| }, |
| { /* end of list */ }, |
| }; |
| |
| static struct virtio_input_config virtio_mouse_config_v2[] = { |
| { |
| .select = VIRTIO_INPUT_CFG_ID_NAME, |
| .size = sizeof(VIRTIO_ID_NAME_MOUSE), |
| .u.string = VIRTIO_ID_NAME_MOUSE, |
| },{ |
| .select = VIRTIO_INPUT_CFG_ID_DEVIDS, |
| .size = sizeof(struct virtio_input_devids), |
| .u.ids = { |
| .bustype = const_le16(BUS_VIRTUAL), |
| .vendor = const_le16(0x0627), /* same we use for usb hid devices */ |
| .product = const_le16(0x0002), |
| .version = const_le16(0x0002), |
| }, |
| },{ |
| .select = VIRTIO_INPUT_CFG_EV_BITS, |
| .subsel = EV_REL, |
| .size = 2, |
| .u.bitmap = { |
| (1 << REL_X) | (1 << REL_Y), |
| (1 << (REL_WHEEL - 8)) |
| }, |
| }, |
| { /* end of list */ }, |
| }; |
| |
| static Property virtio_mouse_properties[] = { |
| DEFINE_PROP_BOOL("wheel-axis", VirtIOInputHID, wheel_axis, true), |
| DEFINE_PROP_END_OF_LIST(), |
| }; |
| |
| static void virtio_mouse_class_init(ObjectClass *klass, void *data) |
| { |
| DeviceClass *dc = DEVICE_CLASS(klass); |
| |
| device_class_set_props(dc, virtio_mouse_properties); |
| } |
| |
| static void virtio_mouse_init(Object *obj) |
| { |
| VirtIOInputHID *vhid = VIRTIO_INPUT_HID(obj); |
| VirtIOInput *vinput = VIRTIO_INPUT(obj); |
| |
| vhid->handler = &virtio_mouse_handler; |
| virtio_input_init_config(vinput, vhid->wheel_axis |
| ? virtio_mouse_config_v2 |
| : virtio_mouse_config_v1); |
| virtio_input_key_config(vinput, keymap_button, |
| ARRAY_SIZE(keymap_button)); |
| } |
| |
| static const TypeInfo virtio_mouse_info = { |
| .name = TYPE_VIRTIO_MOUSE, |
| .parent = TYPE_VIRTIO_INPUT_HID, |
| .instance_size = sizeof(VirtIOInputHID), |
| .instance_init = virtio_mouse_init, |
| .class_init = virtio_mouse_class_init, |
| }; |
| |
| /* ----------------------------------------------------------------- */ |
| |
| static QemuInputHandler virtio_tablet_handler = { |
| .name = VIRTIO_ID_NAME_TABLET, |
| .mask = INPUT_EVENT_MASK_BTN | INPUT_EVENT_MASK_ABS, |
| .event = virtio_input_handle_event, |
| .sync = virtio_input_handle_sync, |
| }; |
| |
| static struct virtio_input_config virtio_tablet_config_v1[] = { |
| { |
| .select = VIRTIO_INPUT_CFG_ID_NAME, |
| .size = sizeof(VIRTIO_ID_NAME_TABLET), |
| .u.string = VIRTIO_ID_NAME_TABLET, |
| },{ |
| .select = VIRTIO_INPUT_CFG_ID_DEVIDS, |
| .size = sizeof(struct virtio_input_devids), |
| .u.ids = { |
| .bustype = const_le16(BUS_VIRTUAL), |
| .vendor = const_le16(0x0627), /* same we use for usb hid devices */ |
| .product = const_le16(0x0003), |
| .version = const_le16(0x0001), |
| }, |
| },{ |
| .select = VIRTIO_INPUT_CFG_EV_BITS, |
| .subsel = EV_ABS, |
| .size = 1, |
| .u.bitmap = { |
| (1 << ABS_X) | (1 << ABS_Y), |
| }, |
| },{ |
| .select = VIRTIO_INPUT_CFG_ABS_INFO, |
| .subsel = ABS_X, |
| .size = sizeof(virtio_input_absinfo), |
| .u.abs.min = const_le32(INPUT_EVENT_ABS_MIN), |
| .u.abs.max = const_le32(INPUT_EVENT_ABS_MAX), |
| },{ |
| .select = VIRTIO_INPUT_CFG_ABS_INFO, |
| .subsel = ABS_Y, |
| .size = sizeof(virtio_input_absinfo), |
| .u.abs.min = const_le32(INPUT_EVENT_ABS_MIN), |
| .u.abs.max = const_le32(INPUT_EVENT_ABS_MAX), |
| }, |
| { /* end of list */ }, |
| }; |
| |
| static struct virtio_input_config virtio_tablet_config_v2[] = { |
| { |
| .select = VIRTIO_INPUT_CFG_ID_NAME, |
| .size = sizeof(VIRTIO_ID_NAME_TABLET), |
| .u.string = VIRTIO_ID_NAME_TABLET, |
| },{ |
| .select = VIRTIO_INPUT_CFG_ID_DEVIDS, |
| .size = sizeof(struct virtio_input_devids), |
| .u.ids = { |
| .bustype = const_le16(BUS_VIRTUAL), |
| .vendor = const_le16(0x0627), /* same we use for usb hid devices */ |
| .product = const_le16(0x0003), |
| .version = const_le16(0x0002), |
| }, |
| },{ |
| .select = VIRTIO_INPUT_CFG_EV_BITS, |
| .subsel = EV_ABS, |
| .size = 1, |
| .u.bitmap = { |
| (1 << ABS_X) | (1 << ABS_Y), |
| }, |
| },{ |
| .select = VIRTIO_INPUT_CFG_EV_BITS, |
| .subsel = EV_REL, |
| .size = 2, |
| .u.bitmap = { |
| 0, |
| (1 << (REL_WHEEL - 8)) |
| }, |
| },{ |
| .select = VIRTIO_INPUT_CFG_ABS_INFO, |
| .subsel = ABS_X, |
| .size = sizeof(virtio_input_absinfo), |
| .u.abs.min = const_le32(INPUT_EVENT_ABS_MIN), |
| .u.abs.max = const_le32(INPUT_EVENT_ABS_MAX), |
| },{ |
| .select = VIRTIO_INPUT_CFG_ABS_INFO, |
| .subsel = ABS_Y, |
| .size = sizeof(virtio_input_absinfo), |
| .u.abs.min = const_le32(INPUT_EVENT_ABS_MIN), |
| .u.abs.max = const_le32(INPUT_EVENT_ABS_MAX), |
| }, |
| { /* end of list */ }, |
| }; |
| |
| static Property virtio_tablet_properties[] = { |
| DEFINE_PROP_BOOL("wheel-axis", VirtIOInputHID, wheel_axis, true), |
| DEFINE_PROP_END_OF_LIST(), |
| }; |
| |
| static void virtio_tablet_class_init(ObjectClass *klass, void *data) |
| { |
| DeviceClass *dc = DEVICE_CLASS(klass); |
| |
| device_class_set_props(dc, virtio_tablet_properties); |
| } |
| |
| static void virtio_tablet_init(Object *obj) |
| { |
| VirtIOInputHID *vhid = VIRTIO_INPUT_HID(obj); |
| VirtIOInput *vinput = VIRTIO_INPUT(obj); |
| |
| vhid->handler = &virtio_tablet_handler; |
| virtio_input_init_config(vinput, vhid->wheel_axis |
| ? virtio_tablet_config_v2 |
| : virtio_tablet_config_v1); |
| virtio_input_key_config(vinput, keymap_button, |
| ARRAY_SIZE(keymap_button)); |
| } |
| |
| static const TypeInfo virtio_tablet_info = { |
| .name = TYPE_VIRTIO_TABLET, |
| .parent = TYPE_VIRTIO_INPUT_HID, |
| .instance_size = sizeof(VirtIOInputHID), |
| .instance_init = virtio_tablet_init, |
| .class_init = virtio_tablet_class_init, |
| }; |
| |
| /* ----------------------------------------------------------------- */ |
| |
| static void virtio_register_types(void) |
| { |
| type_register_static(&virtio_input_hid_info); |
| type_register_static(&virtio_keyboard_info); |
| type_register_static(&virtio_mouse_info); |
| type_register_static(&virtio_tablet_info); |
| } |
| |
| type_init(virtio_register_types) |
