diff options
Diffstat (limited to 'qemu/hw/input/stellaris_input.c')
-rw-r--r-- | qemu/hw/input/stellaris_input.c | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/qemu/hw/input/stellaris_input.c b/qemu/hw/input/stellaris_input.c deleted file mode 100644 index 99168bfee..000000000 --- a/qemu/hw/input/stellaris_input.c +++ /dev/null @@ -1,88 +0,0 @@ -/* - * Gamepad style buttons connected to IRQ/GPIO lines - * - * Copyright (c) 2007 CodeSourcery. - * Written by Paul Brook - * - * This code is licensed under the GPL. - */ -#include "qemu/osdep.h" -#include "hw/hw.h" -#include "hw/devices.h" -#include "ui/console.h" - -typedef struct { - qemu_irq irq; - int keycode; - uint8_t pressed; -} gamepad_button; - -typedef struct { - gamepad_button *buttons; - int num_buttons; - int extension; -} gamepad_state; - -static void stellaris_gamepad_put_key(void * opaque, int keycode) -{ - gamepad_state *s = (gamepad_state *)opaque; - int i; - int down; - - if (keycode == 0xe0 && !s->extension) { - s->extension = 0x80; - return; - } - - down = (keycode & 0x80) == 0; - keycode = (keycode & 0x7f) | s->extension; - - for (i = 0; i < s->num_buttons; i++) { - if (s->buttons[i].keycode == keycode - && s->buttons[i].pressed != down) { - s->buttons[i].pressed = down; - qemu_set_irq(s->buttons[i].irq, down); - } - } - - s->extension = 0; -} - -static const VMStateDescription vmstate_stellaris_button = { - .name = "stellaris_button", - .version_id = 0, - .minimum_version_id = 0, - .fields = (VMStateField[]) { - VMSTATE_UINT8(pressed, gamepad_button), - VMSTATE_END_OF_LIST() - } -}; - -static const VMStateDescription vmstate_stellaris_gamepad = { - .name = "stellaris_gamepad", - .version_id = 1, - .minimum_version_id = 1, - .fields = (VMStateField[]) { - VMSTATE_INT32(extension, gamepad_state), - VMSTATE_STRUCT_VARRAY_INT32(buttons, gamepad_state, num_buttons, 0, - vmstate_stellaris_button, gamepad_button), - VMSTATE_END_OF_LIST() - } -}; - -/* Returns an array of 5 output slots. */ -void stellaris_gamepad_init(int n, qemu_irq *irq, const int *keycode) -{ - gamepad_state *s; - int i; - - s = g_new0(gamepad_state, 1); - s->buttons = g_new0(gamepad_button, n); - for (i = 0; i < n; i++) { - s->buttons[i].irq = irq[i]; - s->buttons[i].keycode = keycode[i]; - } - s->num_buttons = n; - qemu_add_kbd_event_handler(stellaris_gamepad_put_key, s); - vmstate_register(NULL, -1, &vmstate_stellaris_gamepad, s); -} |