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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2017 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program 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 General Public License for more details.
*/
#ifndef SOC_INTEL_COMMON_BLOCK_ITSS_H
#define SOC_INTEL_COMMON_BLOCK_ITSS_H
/* Max PXRC registers in ITSS*/
#define MAX_PXRC_CONFIG (PCR_ITSS_PIRQH_ROUT - PCR_ITSS_PIRQA_ROUT + 1)
/* PIRQA Routing Control Register*/
#define PCR_ITSS_PIRQA_ROUT 0x3100
/* PIRQB Routing Control Register*/
#define PCR_ITSS_PIRQB_ROUT 0x3101
/* PIRQC Routing Control Register*/
#define PCR_ITSS_PIRQC_ROUT 0x3102
/* PIRQD Routing Control Register*/
#define PCR_ITSS_PIRQD_ROUT 0x3103
/* PIRQE Routing Control Register*/
#define PCR_ITSS_PIRQE_ROUT 0x3104
/* PIRQF Routing Control Register*/
#define PCR_ITSS_PIRQF_ROUT 0x3105
/* PIRQG Routing Control Register*/
#define PCR_ITSS_PIRQG_ROUT 0x3106
/* PIRQH Routing Control Register*/
#define PCR_ITSS_PIRQH_ROUT 0x3107
/* ITSS Interrupt polarity control*/
#define PCR_ITSS_IPC0_CONF 0x3200
/* ITSS Power reduction control */
#define PCR_ITSS_ITSSPRC 0x3300
#if !defined(__ACPI__)
#include <stdint.h>
/* Set the interrupt polarity for provided IRQ to the APIC. */
void itss_set_irq_polarity(int irq, int active_low);
/* Snapshot and restore IRQ polarity settings for the inclusive range. */
void itss_snapshot_irq_polarities(int start, int end);
void itss_restore_irq_polarities(int start, int end);
void itss_irq_init(uint8_t pch_interrupt_routing[MAX_PXRC_CONFIG]);
void itss_clock_gate_8254(void);
#endif /* !defined(__ACPI__) */
#endif /* SOC_INTEL_COMMON_BLOCK_ITSS_H */
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