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internal commit: 0ab1ea615e5cfbb0687a9d593a86a7b774386076

Signed-off-by: Anthony Xu <anthony.xu@intel.com>
This commit is contained in:
Anthony Xu
2018-03-07 21:01:19 +08:00
committed by lijinxia
parent b966397914
commit bd31b1c53e
93 changed files with 37861 additions and 0 deletions
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47
devicemodel/include/uart_core.h Normal file
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/*-
* Copyright (c) 2013 Neel Natu <neel@freebsd.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _UART_CORE_H_
#define _UART_CORE_H_
#define UART_IO_BAR_SIZE 8
struct uart_vdev;
typedef void (*uart_intr_func_t)(void *arg);
struct uart_vdev *uart_init(uart_intr_func_t intr_assert,
uart_intr_func_t intr_deassert, void *arg);
void uart_deinit(struct uart_vdev *uart);
int uart_legacy_alloc(int unit, int *ioaddr, int *irq);
void uart_legacy_dealloc(int which);
uint8_t uart_read(struct uart_vdev *uart, int offset);
void uart_write(struct uart_vdev *uart, int offset, uint8_t value);
int uart_set_backend(struct uart_vdev *uart, const char *opt);
#endif