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aarch64: virtio: bind more keys, scroll wheel

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This commit is contained in:
K. Lange 2022-02-02 16:11:35 +09:00
parent 10010578bf
commit 7238f0f2a5
1 changed files with 36 additions and 23 deletions
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59
kernel/arch/aarch64/virtio.c
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@ -175,6 +175,8 @@ static void virtio_tablet_thread(void * data) {
int button_left = 0;
int button_right = 0;
int button_middle = 0;
int button_scroll_down = 0;
int button_scroll_up = 0;
queue->available.index = queue_size-1;
@ -213,6 +215,10 @@ static void virtio_tablet_thread(void * data) {
button_right = evt.value;
} else if (evt.code == 0x112) {
button_middle = evt.value;
} else if (evt.code == 0x150) {
button_scroll_down = 1;
} else if (evt.code == 0x151) {
button_scroll_up = 1;
}
} else if (evt.type == 0) {
@ -221,7 +227,15 @@ static void virtio_tablet_thread(void * data) {
packet.magic = MOUSE_MAGIC;
packet.x_difference = x;
packet.y_difference = y;
packet.buttons = (button_left ? LEFT_CLICK : 0) | (button_right ? RIGHT_CLICK : 0) | (button_middle ? MIDDLE_CLICK : 0);
packet.buttons =
(button_left ? LEFT_CLICK : 0) |
(button_right ? RIGHT_CLICK : 0) |
(button_middle ? MIDDLE_CLICK : 0) |
(button_scroll_down ? MOUSE_SCROLL_DOWN : 0) |
(button_scroll_up ? MOUSE_SCROLL_UP : 0);
button_scroll_down = 0;
button_scroll_up = 0;
mouse_device_packet_t bitbucket;
while (pipe_size(vmmouse_pipe) > (int)(DISCARD_POINT * sizeof(packet))) {
@ -236,6 +250,18 @@ static void virtio_tablet_thread(void * data) {
}
}
static const uint8_t ext_key_map[256] = {
[0x63] = 0x37, /* print screen */
[0x66] = 0x47, /* home */
[0x67] = 0x48, /* UP */
[0x68] = 0x49, /* page up */
[0x6c] = 0x50, /* DOWN */
[0x69] = 0x4B, /* LEFT */
[0x6a] = 0x4D, /* RIGHT */
[0x6b] = 0x4F, /* end */
[0x6d] = 0x51, /* page down */
};
static void virtio_keyboard_thread(void * data) {
uint32_t device = (uintptr_t)data;
uintptr_t t = 0x12000000;
@ -328,29 +354,16 @@ static void virtio_keyboard_thread(void * data) {
read_fs(keyboard_pipe, 0, 1, (uint8_t *)&bitbucket);
}
write_fs(keyboard_pipe, 0, 1, (uint8_t *)&scancode);
} else {
switch (evt.code) {
case 0x67: /* UP */
case 0x6c: /* DOWN */
case 0x69: /* LEFT */
case 0x6a: /* RIGHT */
{
uint8_t data[] = {0xE0, 0};
data[1] = (evt.code == 0x67 ? 0x48 :
(evt.code == 0x6c ? 0x50 :
(evt.code == 0x69 ? 0x4b : 0x4d)));
if (evt.value == 0) data[1] |= 0x80;
uint8_t bitbucket;
while (pipe_size(keyboard_pipe) > (int)(DISCARD_POINT)) {
read_fs(keyboard_pipe, 0, 1, (uint8_t *)&bitbucket);
}
write_fs(keyboard_pipe, 0, 2, (uint8_t *)data);
}
break;
default:
printf("drop key %d\n", evt.code);
} else if (ext_key_map[evt.code]) {
uint8_t data[] = {0xE0, 0};
data[1] = ext_key_map[evt.code] | ((evt.value == 0) ? 0x80 : 0);
uint8_t bitbucket;
while (pipe_size(keyboard_pipe) > (int)(DISCARD_POINT)) {
read_fs(keyboard_pipe, 0, 1, (uint8_t *)&bitbucket);
}
write_fs(keyboard_pipe, 0, 2, (uint8_t *)data);
} else {
dprintf("virtio: unmapped keycode %d\n", evt.code);
}
}
asm volatile ("isb" ::: "memory");