/*
* Copyright (C) 2006 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - 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.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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.
*/
/** @addtogroup sparc64
* @{
*/
/** @file
*/
#ifndef KERN_sparc64_NS16550_H_
#define KERN_sparc64_NS16550_H_
#include <arch/types.h>
#include <arch/drivers/kbd.h>
/* NS16550 registers */
#define RBR_REG 0 /** Receiver Buffer Register. */
#define IER_REG 1 /** Interrupt Enable Register. */
#define IIR_REG 2 /** Interrupt Ident Register (read). */
#define FCR_REG 2 /** FIFO control register (write). */
#define LCR_REG 3 /** Line Control register. */
#define LSR_REG 5 /** Line Status Register. */
#define IER_ERBFI 0x01 /** Enable Receive Buffer Full Interrupt. */
#define LCR_DLAB 0x80 /** Divisor Latch Access bit. */
static inline uint8_t ns16550_rbr_read(void)
{
return kbd_virt_address[RBR_REG];
}
static inline uint8_t ns16550_ier_read(void)
{
return kbd_virt_address[IER_REG];
}
static inline void ns16550_ier_write(uint8_t v)
{
kbd_virt_address[IER_REG] = v;
}
static inline uint8_t ns16550_iir_read(void)
{
return kbd_virt_address[IIR_REG];
}
static inline void ns16550_fcr_write(uint8_t v)
{
kbd_virt_address[FCR_REG] = v;
}
static inline uint8_t ns16550_lcr_read(void)
{
return kbd_virt_address[LCR_REG];
}
static inline void ns16550_lcr_write(uint8_t v)
{
kbd_virt_address[LCR_REG] = v;
}
static inline uint8_t ns16550_lsr_read(void)
{
return kbd_virt_address[LSR_REG];
}
#endif
/** @}
*/