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authorGerd Hoffmann2020-05-15 17:04:12 +0200
committerMichael S. Tsirkin2020-06-09 18:46:45 +0200
commited003c8c7743b846b1bf3f87cb88baf090da44e6 (patch)
tree6131038d1d3fd223558aed35675280a7494a4763 /hw/char
parentacpi: parallel: don't use _STA method (diff)
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acpi: move aml builder code for parallel device
Also adds support for multiple LPT devices. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20200515150421.25479-8-kraxel@redhat.com>
Diffstat (limited to 'hw/char')
-rw-r--r--hw/char/parallel.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/hw/char/parallel.c b/hw/char/parallel.c
index 8dd67d1375..c0f34bf924 100644
--- a/hw/char/parallel.c
+++ b/hw/char/parallel.c
@@ -28,6 +28,7 @@
#include "qemu/module.h"
#include "chardev/char-parallel.h"
#include "chardev/char-fe.h"
+#include "hw/acpi/aml-build.h"
#include "hw/irq.h"
#include "hw/isa/isa.h"
#include "hw/qdev-properties.h"
@@ -568,6 +569,25 @@ static void parallel_isa_realizefn(DeviceState *dev, Error **errp)
s, "parallel");
}
+static void parallel_isa_build_aml(ISADevice *isadev, Aml *scope)
+{
+ ISAParallelState *isa = ISA_PARALLEL(isadev);
+ Aml *dev;
+ Aml *crs;
+
+ crs = aml_resource_template();
+ aml_append(crs, aml_io(AML_DECODE16, isa->iobase, isa->iobase, 0x08, 0x08));
+ aml_append(crs, aml_irq_no_flags(isa->isairq));
+
+ dev = aml_device("LPT%d", isa->index + 1);
+ aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0400")));
+ aml_append(dev, aml_name_decl("_UID", aml_int(isa->index + 1)));
+ aml_append(dev, aml_name_decl("_STA", aml_int(0xf)));
+ aml_append(dev, aml_name_decl("_CRS", crs));
+
+ aml_append(scope, dev);
+}
+
/* Memory mapped interface */
static uint64_t parallel_mm_readfn(void *opaque, hwaddr addr, unsigned size)
{
@@ -624,9 +644,11 @@ static Property parallel_isa_properties[] = {
static void parallel_isa_class_initfn(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
+ ISADeviceClass *isa = ISA_DEVICE_CLASS(klass);
dc->realize = parallel_isa_realizefn;
dc->vmsd = &vmstate_parallel_isa;
+ isa->build_aml = parallel_isa_build_aml;
device_class_set_props(dc, parallel_isa_properties);
set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
}