lasips2: introduce port IRQ and new lasips2_port_init() function

Introduce a new lasips2_port_init() QOM init function for the LASIPS2_PORT type
and use it to initialise a new gpio for use as a port IRQ. Add a new qemu_irq
representing the gpio as a new irq field within LASIPS2Port.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Tested-by: Helge Deller <deller@gmx.de>
Acked-by: Helge Deller <deller@gmx.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220712215251.7944-25-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

diff --git a/hw/input/lasips2.c b/hw/input/lasips2.c
index 49e5c90b737aec9ee8336527cbc7244f1127a247..6b531538385bb9329efb149d2d33e77ee911c6e0 100644 (file)
--- a/hw/input/lasips2.c
+++ b/hw/input/lasips2.c
@@ -322,9 +322,17 @@ static const TypeInfo lasips2_info = {
     .class_init    = lasips2_class_init,
 };
 
+static void lasips2_port_init(Object *obj)
+{
+    LASIPS2Port *s = LASIPS2_PORT(obj);
+
+    qdev_init_gpio_out(DEVICE(obj), &s->irq, 1);
+}
+
 static const TypeInfo lasips2_port_info = {
     .name          = TYPE_LASIPS2_PORT,
     .parent        = TYPE_DEVICE,
+    .instance_init = lasips2_port_init,
     .instance_size = sizeof(LASIPS2Port),
     .abstract      = true,
 };

diff --git a/include/hw/input/lasips2.h b/include/hw/input/lasips2.h
index 4c4b47173795cfd1d803d447a261762ca1e30ad6..a05f26cbd90f6a91d3c2e69b0485d229e0a7f153 100644 (file)
--- a/include/hw/input/lasips2.h
+++ b/include/hw/input/lasips2.h
@@ -41,6 +41,7 @@ struct LASIPS2Port {
     uint8_t buf;
     bool loopback_rbne;
     bool birq;
+    qemu_irq irq;
 };
 
 #define TYPE_LASIPS2_KBD_PORT "lasips2-kbd-port"