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-rw-r--r--include/hw/intc/exynos4210_combiner.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/include/hw/intc/exynos4210_combiner.h b/include/hw/intc/exynos4210_combiner.h
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+++ b/include/hw/intc/exynos4210_combiner.h
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+/*
+ * Samsung exynos4210 Interrupt Combiner
+ *
+ * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd.
+ * All rights reserved.
+ *
+ * Evgeny Voevodin <e.voevodin@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef HW_INTC_EXYNOS4210_COMBINER
+#define HW_INTC_EXYNOS4210_COMBINER
+
+#include "hw/sysbus.h"
+
+/*
+ * State for each output signal of internal combiner
+ */
+typedef struct CombinerGroupState {
+ uint8_t src_mask; /* 1 - source enabled, 0 - disabled */
+ uint8_t src_pending; /* Pending source interrupts before masking */
+} CombinerGroupState;
+
+#define TYPE_EXYNOS4210_COMBINER "exynos4210.combiner"
+OBJECT_DECLARE_SIMPLE_TYPE(Exynos4210CombinerState, EXYNOS4210_COMBINER)
+
+/* Number of groups and total number of interrupts for the internal combiner */
+#define IIC_NGRP 64
+#define IIC_NIRQ (IIC_NGRP * 8)
+#define IIC_REGSET_SIZE 0x41
+
+struct Exynos4210CombinerState {
+ SysBusDevice parent_obj;
+
+ MemoryRegion iomem;
+
+ struct CombinerGroupState group[IIC_NGRP];
+ uint32_t reg_set[IIC_REGSET_SIZE];
+ uint32_t icipsr[2];
+ uint32_t external; /* 1 means that this combiner is external */
+
+ qemu_irq output_irq[IIC_NGRP];
+};
+
+#endif