lasips2: add named input gpio to port for downstream PS2 device IRQ
The named input gpio is to be connected to the IRQ output of the downstream PS2 device and used to drive the port IRQ. Initialise the named input gpio in lasips2_port_init() and add new lasips2_port_class_init() and lasips2_port_realize() functions to connect the PS2 device output gpio to the new named input gpio. Note that the reference to lasips2_port_realize() is stored in LASIPS2PortDeviceClass but not yet used. 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: <20220712215251.7944-27-mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
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@ -322,11 +322,35 @@ static const TypeInfo lasips2_info = {
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.class_init = lasips2_class_init,
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};
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static void lasips2_port_set_irq(void *opaque, int n, int level)
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{
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LASIPS2Port *s = LASIPS2_PORT(opaque);
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qemu_set_irq(s->irq, level);
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}
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static void lasips2_port_realize(DeviceState *dev, Error **errp)
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{
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LASIPS2Port *s = LASIPS2_PORT(dev);
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qdev_connect_gpio_out(DEVICE(s->ps2dev), PS2_DEVICE_IRQ,
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qdev_get_gpio_in_named(dev, "ps2-input-irq", 0));
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}
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static void lasips2_port_init(Object *obj)
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{
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LASIPS2Port *s = LASIPS2_PORT(obj);
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qdev_init_gpio_out(DEVICE(obj), &s->irq, 1);
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qdev_init_gpio_in_named(DEVICE(obj), lasips2_port_set_irq,
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"ps2-input-irq", 1);
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}
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static void lasips2_port_class_init(ObjectClass *klass, void *data)
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{
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DeviceClass *dc = DEVICE_CLASS(klass);
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dc->realize = lasips2_port_realize;
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}
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static const TypeInfo lasips2_port_info = {
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@ -360,8 +384,10 @@ static void lasips2_kbd_port_init(Object *obj)
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static void lasips2_kbd_port_class_init(ObjectClass *klass, void *data)
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{
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DeviceClass *dc = DEVICE_CLASS(klass);
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LASIPS2PortDeviceClass *lpdc = LASIPS2_PORT_CLASS(klass);
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dc->realize = lasips2_kbd_port_realize;
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device_class_set_parent_realize(dc, lasips2_kbd_port_realize,
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&lpdc->parent_realize);
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}
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static const TypeInfo lasips2_kbd_port_info = {
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@ -393,8 +419,10 @@ static void lasips2_mouse_port_init(Object *obj)
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static void lasips2_mouse_port_class_init(ObjectClass *klass, void *data)
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{
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DeviceClass *dc = DEVICE_CLASS(klass);
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LASIPS2PortDeviceClass *lpdc = LASIPS2_PORT_CLASS(klass);
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dc->realize = lasips2_mouse_port_realize;
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device_class_set_parent_realize(dc, lasips2_mouse_port_realize,
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&lpdc->parent_realize);
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}
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static const TypeInfo lasips2_mouse_port_info = {
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@ -30,6 +30,8 @@ OBJECT_DECLARE_TYPE(LASIPS2Port, LASIPS2PortDeviceClass, LASIPS2_PORT)
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struct LASIPS2PortDeviceClass {
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DeviceClass parent;
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DeviceRealize parent_realize;
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};
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typedef struct LASIPS2State LASIPS2State;
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