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-rw-r--r--include/hw/i2c/aspeed_i2c.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/include/hw/i2c/aspeed_i2c.h b/include/hw/i2c/aspeed_i2c.h
new file mode 100644
index 0000000000..f9020acdef
--- /dev/null
+++ b/include/hw/i2c/aspeed_i2c.h
@@ -0,0 +1,62 @@
+/*
+ * ASPEED AST2400 I2C Controller
+ *
+ * Copyright (C) 2016 IBM Corp.
+ *
+ * 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#ifndef ASPEED_I2C_H
+#define ASPEED_I2C_H
+
+#include "hw/i2c/i2c.h"
+
+#define TYPE_ASPEED_I2C "aspeed.i2c"
+#define ASPEED_I2C(obj) \
+ OBJECT_CHECK(AspeedI2CState, (obj), TYPE_ASPEED_I2C)
+
+#define ASPEED_I2C_NR_BUSSES 14
+
+struct AspeedI2CState;
+
+typedef struct AspeedI2CBus {
+ struct AspeedI2CState *controller;
+
+ MemoryRegion mr;
+
+ I2CBus *bus;
+ uint8_t id;
+
+ uint32_t ctrl;
+ uint32_t timing[2];
+ uint32_t intr_ctrl;
+ uint32_t intr_status;
+ uint32_t cmd;
+ uint32_t buf;
+} AspeedI2CBus;
+
+typedef struct AspeedI2CState {
+ SysBusDevice parent_obj;
+
+ MemoryRegion iomem;
+ qemu_irq irq;
+
+ uint32_t intr_status;
+
+ AspeedI2CBus busses[ASPEED_I2C_NR_BUSSES];
+} AspeedI2CState;
+
+I2CBus *aspeed_i2c_get_bus(DeviceState *dev, int busnr);
+
+#endif /* ASPEED_I2C_H */