63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
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/*
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* ASPEED AST2400 I2C Controller
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*
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* Copyright (C) 2016 IBM Corp.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef ASPEED_I2C_H
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#define ASPEED_I2C_H
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#include "hw/i2c/i2c.h"
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#define TYPE_ASPEED_I2C "aspeed.i2c"
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#define ASPEED_I2C(obj) \
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OBJECT_CHECK(AspeedI2CState, (obj), TYPE_ASPEED_I2C)
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#define ASPEED_I2C_NR_BUSSES 14
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struct AspeedI2CState;
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typedef struct AspeedI2CBus {
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struct AspeedI2CState *controller;
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MemoryRegion mr;
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I2CBus *bus;
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uint8_t id;
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uint32_t ctrl;
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uint32_t timing[2];
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uint32_t intr_ctrl;
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uint32_t intr_status;
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uint32_t cmd;
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uint32_t buf;
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} AspeedI2CBus;
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typedef struct AspeedI2CState {
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SysBusDevice parent_obj;
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MemoryRegion iomem;
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qemu_irq irq;
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uint32_t intr_status;
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AspeedI2CBus busses[ASPEED_I2C_NR_BUSSES];
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} AspeedI2CState;
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I2CBus *aspeed_i2c_get_bus(DeviceState *dev, int busnr);
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#endif /* ASPEED_I2C_H */
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