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author | Peter Maydell <peter.maydell@linaro.org> | 2023-10-30 11:48:01 +0000 |
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committer | Peter Maydell <peter.maydell@linaro.org> | 2023-11-02 12:52:06 +0000 |
commit | a75f336b97a643fc536ba847042f840890e9b378 (patch) | |
tree | 8a0718fe4c5c7326dd503d7b69462d447fcd672e /hw/input | |
parent | 5f8d505e3a60b957530c7ad9b1214cc440d8b951 (diff) | |
download | qemu-a75f336b97a643fc536ba847042f840890e9b378.zip qemu-a75f336b97a643fc536ba847042f840890e9b378.tar.gz qemu-a75f336b97a643fc536ba847042f840890e9b378.tar.bz2 |
hw/input/stellaris_input: Convert to qdev
Convert the hw/input/stellaris_input device to qdev.
The interface uses an array property for the board to specify the
keycodes to use, so the s->keycodes memory is now allocated by the
array-property machinery.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20231030114802.3671871-6-peter.maydell@linaro.org
Diffstat (limited to 'hw/input')
-rw-r--r-- | hw/input/stellaris_gamepad.c | 70 |
1 files changed, 47 insertions, 23 deletions
diff --git a/hw/input/stellaris_gamepad.c b/hw/input/stellaris_gamepad.c index 82ddc47..d42ba4f 100644 --- a/hw/input/stellaris_gamepad.c +++ b/hw/input/stellaris_gamepad.c @@ -8,19 +8,13 @@ */ #include "qemu/osdep.h" +#include "qapi/error.h" #include "hw/input/stellaris_gamepad.h" #include "hw/irq.h" +#include "hw/qdev-properties.h" #include "migration/vmstate.h" #include "ui/console.h" -typedef struct { - uint32_t num_buttons; - int extension; - qemu_irq *irqs; - uint32_t *keycodes; - uint8_t *pressed; -} StellarisGamepad; - static void stellaris_gamepad_put_key(void * opaque, int keycode) { StellarisGamepad *s = (StellarisGamepad *)opaque; @@ -57,22 +51,52 @@ static const VMStateDescription vmstate_stellaris_gamepad = { } }; -/* Returns an array of 5 output slots. */ -void stellaris_gamepad_init(int n, qemu_irq *irq, const int *keycode) +static void stellaris_gamepad_realize(DeviceState *dev, Error **errp) { - StellarisGamepad *s; - int i; + StellarisGamepad *s = STELLARIS_GAMEPAD(dev); - s = g_new0(StellarisGamepad, 1); - s->irqs = g_new0(qemu_irq, n); - s->keycodes = g_new0(uint32_t, n); - s->pressed = g_new0(uint8_t, n); - for (i = 0; i < n; i++) { - s->irqs[i] = irq[i]; - s->keycodes[i] = keycode[i]; + if (s->num_buttons == 0) { + error_setg(errp, "keycodes property array must be set"); + return; } - s->num_buttons = n; - qemu_add_kbd_event_handler(stellaris_gamepad_put_key, s); - vmstate_register(NULL, VMSTATE_INSTANCE_ID_ANY, - &vmstate_stellaris_gamepad, s); + + s->irqs = g_new0(qemu_irq, s->num_buttons); + s->pressed = g_new0(uint8_t, s->num_buttons); + qdev_init_gpio_out(dev, s->irqs, s->num_buttons); + qemu_add_kbd_event_handler(stellaris_gamepad_put_key, dev); } + +static void stellaris_gamepad_reset_enter(Object *obj, ResetType type) +{ + StellarisGamepad *s = STELLARIS_GAMEPAD(obj); + + memset(s->pressed, 0, s->num_buttons * sizeof(uint8_t)); +} + +static Property stellaris_gamepad_properties[] = { + DEFINE_PROP_ARRAY("keycodes", StellarisGamepad, num_buttons, + keycodes, qdev_prop_uint32, uint32_t), + DEFINE_PROP_END_OF_LIST(), +}; + +static void stellaris_gamepad_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + ResettableClass *rc = RESETTABLE_CLASS(klass); + + rc->phases.enter = stellaris_gamepad_reset_enter; + dc->realize = stellaris_gamepad_realize; + dc->vmsd = &vmstate_stellaris_gamepad; + device_class_set_props(dc, stellaris_gamepad_properties); +} + +static const TypeInfo stellaris_gamepad_info[] = { + { + .name = TYPE_STELLARIS_GAMEPAD, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(StellarisGamepad), + .class_init = stellaris_gamepad_class_init, + }, +}; + +DEFINE_TYPES(stellaris_gamepad_info); |