qemu/include/hw/char/avr_usart.h
Eduardo Habkost db1015e92e Move QOM typedefs and add missing includes
Some typedefs and macros are defined after the type check macros.
This makes it difficult to automatically replace their
definitions with OBJECT_DECLARE_TYPE.

Patch generated using:

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

which will split "typdef struct { ... } TypedefName"
declarations.

Followed by:

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

which will:
- move the typedefs and #defines above the type check macros
- add missing #include "qom/object.h" lines if necessary

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20200831210740.126168-9-ehabkost@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20200831210740.126168-10-ehabkost@redhat.com>
Message-Id: <20200831210740.126168-11-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-09 09:26:43 -04:00

96 lines
2.5 KiB
C

/*
* AVR USART
*
* Copyright (c) 2018 University of Kent
* Author: Sarah Harris
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see
* <http://www.gnu.org/licenses/lgpl-2.1.html>
*/
#ifndef HW_CHAR_AVR_USART_H
#define HW_CHAR_AVR_USART_H
#include "hw/sysbus.h"
#include "chardev/char-fe.h"
#include "hw/hw.h"
#include "qom/object.h"
/* Offsets of registers. */
#define USART_DR 0x06
#define USART_CSRA 0x00
#define USART_CSRB 0x01
#define USART_CSRC 0x02
#define USART_BRRH 0x05
#define USART_BRRL 0x04
/* Relevant bits in regiters. */
#define USART_CSRA_RXC (1 << 7)
#define USART_CSRA_TXC (1 << 6)
#define USART_CSRA_DRE (1 << 5)
#define USART_CSRA_MPCM (1 << 0)
#define USART_CSRB_RXCIE (1 << 7)
#define USART_CSRB_TXCIE (1 << 6)
#define USART_CSRB_DREIE (1 << 5)
#define USART_CSRB_RXEN (1 << 4)
#define USART_CSRB_TXEN (1 << 3)
#define USART_CSRB_CSZ2 (1 << 2)
#define USART_CSRB_RXB8 (1 << 1)
#define USART_CSRB_TXB8 (1 << 0)
#define USART_CSRC_MSEL1 (1 << 7)
#define USART_CSRC_MSEL0 (1 << 6)
#define USART_CSRC_PM1 (1 << 5)
#define USART_CSRC_PM0 (1 << 4)
#define USART_CSRC_CSZ1 (1 << 2)
#define USART_CSRC_CSZ0 (1 << 1)
#define TYPE_AVR_USART "avr-usart"
typedef struct AVRUsartState AVRUsartState;
#define AVR_USART(obj) \
OBJECT_CHECK(AVRUsartState, (obj), TYPE_AVR_USART)
struct AVRUsartState {
/* <private> */
SysBusDevice parent_obj;
/* <public> */
MemoryRegion mmio;
CharBackend chr;
bool enabled;
uint8_t data;
bool data_valid;
uint8_t char_mask;
/* Control and Status Registers */
uint8_t csra;
uint8_t csrb;
uint8_t csrc;
/* Baud Rate Registers (low/high byte) */
uint8_t brrh;
uint8_t brrl;
/* Receive Complete */
qemu_irq rxc_irq;
/* Transmit Complete */
qemu_irq txc_irq;
/* Data Register Empty */
qemu_irq dre_irq;
};
#endif /* HW_CHAR_AVR_USART_H */