/*
* 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 abi_generic
* @{
*/
/** @file
*/
#ifndef _ABI_DDI_IRQ_H_
#define _ABI_DDI_IRQ_H_
#include <stdint.h>
typedef struct {
uintptr_t base;
size_t size;
} irq_pio_range_t;
typedef enum {
/** Read 1 byte from the I/O space.
*
* *addr(8) -> scratch[dstarg]
*/
CMD_PIO_READ_8 = 1,
/** Read 2 bytes from the I/O space.
*
* *addr(16) -> scratch[dstarg]
*/
CMD_PIO_READ_16,
/** Read 4 bytes from the I/O space.
*
* *addr(32) -> scratch[dstarg]
*/
CMD_PIO_READ_32,
/** Write 1 byte to the I/O space.
*
* value(8) -> *addr
*/
CMD_PIO_WRITE_8,
/** Write 2 bytes to the I/O space.
*
* value(16) -> *addr
*/
CMD_PIO_WRITE_16,
/** Write 4 bytes to the I/O space.
*
* value(32) -> *addr
*/
CMD_PIO_WRITE_32,
/** Write 1 byte to the I/O space.
*
* scratch[srcarg](8) -> *addr
*/
CMD_PIO_WRITE_A_8,
/** Write 2 bytes to the I/O space.
*
* scratch[srcarg](16) -> *addr
*/
CMD_PIO_WRITE_A_16,
/** Write 4 bytes to the I/O space.
*
* scratch[srcarg](32) -> *addr
*/
CMD_PIO_WRITE_A_32,
/** Load value.
*
* value -> scratch[dstarg]
*/
CMD_LOAD,
/** Perform bitwise conjunction.
*
* scratch[srcarg] & value -> scratch[dstarg]
*/
CMD_AND,
/** Predicate the execution of the following commands.
*
* if (scratch[srcarg] == 0)
* (skip the following 'value' commands)
*/
CMD_PREDICATE,
/** Accept the interrupt. */
CMD_ACCEPT,
/** Decline the interrupt. */
CMD_DECLINE,
CMD_LAST
} irq_cmd_type;
typedef struct {
irq_cmd_type cmd;
void *addr;
uint32_t value;
uintptr_t srcarg;
uintptr_t dstarg;
} irq_cmd_t;
typedef struct {
size_t rangecount;
irq_pio_range_t *ranges;
size_t cmdcount;
irq_cmd_t *cmds;
} irq_code_t;
#endif
/** @}
*/