qemu/include/hw/i2c/microbit_i2c.h
Eduardo Habkost 8063396bf3 Use OBJECT_DECLARE_SIMPLE_TYPE when possible
This converts existing DECLARE_INSTANCE_CHECKER usage to
OBJECT_DECLARE_SIMPLE_TYPE when possible.

$ ./scripts/codeconverter/converter.py -i \
  --pattern=AddObjectDeclareSimpleType $(git grep -l '' -- '*.[ch]')

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Acked-by: Paul Durrant <paul@xen.org>
Message-Id: <20200916182519.415636-6-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-18 14:12:32 -04:00

43 lines
1.1 KiB
C

/*
* Microbit stub for Nordic Semiconductor nRF51 SoC Two-Wire Interface
* http://infocenter.nordicsemi.com/pdf/nRF51_RM_v3.0.1.pdf
*
* Copyright 2019 Red Hat, Inc.
*
* This code is licensed under the GPL version 2 or later. See
* the COPYING file in the top-level directory.
*/
#ifndef MICROBIT_I2C_H
#define MICROBIT_I2C_H
#include "hw/sysbus.h"
#include "hw/arm/nrf51.h"
#include "qom/object.h"
#define NRF51_TWI_TASK_STARTRX 0x000
#define NRF51_TWI_TASK_STARTTX 0x008
#define NRF51_TWI_TASK_STOP 0x014
#define NRF51_TWI_EVENT_STOPPED 0x104
#define NRF51_TWI_EVENT_RXDREADY 0x108
#define NRF51_TWI_EVENT_TXDSENT 0x11c
#define NRF51_TWI_REG_ENABLE 0x500
#define NRF51_TWI_REG_RXD 0x518
#define NRF51_TWI_REG_TXD 0x51c
#define NRF51_TWI_REG_ADDRESS 0x588
#define TYPE_MICROBIT_I2C "microbit.i2c"
OBJECT_DECLARE_SIMPLE_TYPE(MicrobitI2CState, MICROBIT_I2C)
#define MICROBIT_I2C_NREGS (NRF51_PERIPHERAL_SIZE / sizeof(uint32_t))
struct MicrobitI2CState {
SysBusDevice parent_obj;
MemoryRegion iomem;
uint32_t regs[MICROBIT_I2C_NREGS];
uint32_t read_idx;
};
#endif /* MICROBIT_I2C_H */