[Qemu-devel] [RFC PATCH v2 07/22] hw/isa/superio: Add a Super I/O template based on the PC87312 device

[Philippe Mathieu-Daudé]

Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
---
 include/hw/isa/superio.h | 44 ++++++++++++++++++++++++++++++++++++++++++++
 hw/isa/isa-superio.c     | 27 +++++++++++++++++++++++++++
 hw/isa/Makefile.objs     |  1 +
 3 files changed, 72 insertions(+)
 create mode 100644 include/hw/isa/superio.h
 create mode 100644 hw/isa/isa-superio.c

diff --git a/include/hw/isa/superio.h b/include/hw/isa/superio.h
new file mode 100644
index 0000000000..cff6ad6c08
--- /dev/null
+++ b/include/hw/isa/superio.h
@@ -0,0 +1,44 @@
+/*
+ * Generic ISA Super I/O
+ *
+ * Copyright (c) 2018 Philippe Mathieu-Daudé
+ *
+ * This code is licensed under the GNU GPLv2 and later.
+ * See the COPYING file in the top-level directory.
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+#ifndef HW_ISA_SUPERIO_H
+#define HW_ISA_SUPERIO_H
+
+#include "qemu-common.h"
+#include "sysemu/sysemu.h"
+#include "hw/isa/isa.h"
+
+#define TYPE_ISA_SUPERIO "isa-superio"
+#define ISA_SUPERIO(obj) \
+    OBJECT_CHECK(ISASuperIODevice, (obj), TYPE_ISA_SUPERIO)
+#define ISA_SUPERIO_GET_CLASS(obj) \
+    OBJECT_GET_CLASS(ISASuperIOClass, (obj), TYPE_ISA_SUPERIO)
+#define ISA_SUPERIO_CLASS(klass) \
+    OBJECT_CLASS_CHECK(ISASuperIOClass, (klass), TYPE_ISA_SUPERIO)
+
+typedef struct ISASuperIODevice {
+    ISADevice parent_obj;
+} ISASuperIODevice;
+
+typedef struct ISASuperIOFuncs {
+    size_t count;
+    bool (*is_enabled)(ISASuperIODevice *sio, uint8_t index);
+    uint16_t (*get_iobase)(ISASuperIODevice *sio, uint8_t index);
+    unsigned int (*get_irq)(ISASuperIODevice *sio, uint8_t index);
+    unsigned int (*get_dma)(ISASuperIODevice *sio, uint8_t index);
+} ISASuperIOFuncs;
+
+typedef struct ISASuperIOClass {
+    /*< private >*/
+    ISADeviceClass parent_class;
+    /*< public >*/
+    DeviceRealize parent_realize;
+} ISASuperIOClass;
+
+#endif /* HW_ISA_SUPERIO_H */
diff --git a/hw/isa/isa-superio.c b/hw/isa/isa-superio.c
new file mode 100644
index 0000000000..7777f8b9f0
--- /dev/null
+++ b/hw/isa/isa-superio.c
@@ -0,0 +1,27 @@
+/*
+ * Generic ISA Super I/O
+ *
+ * Copyright (c) 2010-2012 Herve Poussineau
+ * Copyright (c) 2011-2012 Andreas Färber
+ * Copyright (c) 2018 Philippe Mathieu-Daudé
+ *
+ * This code is licensed under the GNU GPLv2 and later.
+ * See the COPYING file in the top-level directory.
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+#include "qemu/osdep.h"
+#include "hw/isa/superio.h"
+#include "trace.h"
+
+static const TypeInfo isa_superio_type_info = {
+    .name = TYPE_ISA_SUPERIO,
+    .parent = TYPE_ISA_DEVICE,
+    .abstract = true,
+};
+
+static void isa_superio_register_types(void)
+{
+    type_register_static(&isa_superio_type_info);
+}
+
+type_init(isa_superio_register_types)
diff --git a/hw/isa/Makefile.objs b/hw/isa/Makefile.objs
index fb37c55cf2..cac655ba58 100644
--- a/hw/isa/Makefile.objs
+++ b/hw/isa/Makefile.objs
@@ -1,4 +1,5 @@
 common-obj-$(CONFIG_ISA_BUS) += isa-bus.o
+common-obj-$(CONFIG_ISA_BUS) += isa-superio.o
 common-obj-$(CONFIG_APM) += apm.o
 common-obj-$(CONFIG_I82378) += i82378.o
 common-obj-$(CONFIG_PC87312) += pc87312.o
-- 
2.16.2