diff options
Diffstat (limited to 'include/hw/i2c')
-rw-r--r-- | include/hw/i2c/aspeed_i2c.h | 62 |
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 */ |