1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 3 #ifndef SOC_INTEL_COMMON_BLOCK_ITSS_H 4 #define SOC_INTEL_COMMON_BLOCK_ITSS_H 5 6 /* PIRQA Routing Control Register */ 7 #define PCR_ITSS_PIRQA_ROUT 0x3100 8 /* PIRQB Routing Control Register */ 9 #define PCR_ITSS_PIRQB_ROUT 0x3101 10 /* PIRQC Routing Control Register */ 11 #define PCR_ITSS_PIRQC_ROUT 0x3102 12 /* PIRQD Routing Control Register */ 13 #define PCR_ITSS_PIRQD_ROUT 0x3103 14 /* PIRQE Routing Control Register */ 15 #define PCR_ITSS_PIRQE_ROUT 0x3104 16 /* PIRQF Routing Control Register */ 17 #define PCR_ITSS_PIRQF_ROUT 0x3105 18 /* PIRQG Routing Control Register */ 19 #define PCR_ITSS_PIRQG_ROUT 0x3106 20 /* PIRQH Routing Control Register */ 21 #define PCR_ITSS_PIRQH_ROUT 0x3107 22 /* ITSS Interrupt polarity control */ 23 #define PCR_ITSS_IPC0_CONF 0x3200 24 /* ITSS Power reduction control */ 25 #define PCR_ITSS_ITSSPRC 0x3300 26 27 #if !defined(__ACPI__) 28 29 #include <southbridge/intel/common/acpi_pirq_gen.h> 30 #include <stdint.h> 31 32 /* Set the interrupt polarity for provided IRQ to the APIC. */ 33 void itss_set_irq_polarity(int irq, int active_low); 34 35 /* Snapshot and restore IRQ polarity settings for the inclusive range. */ 36 void itss_snapshot_irq_polarities(int start, int end); 37 void itss_restore_irq_polarities(int start, int end); 38 39 void itss_irq_init(const uint8_t pch_interrupt_routing[PIRQ_COUNT]); 40 void itss_clock_gate_8254(void); 41 42 #endif /* !defined(__ACPI__) */ 43 44 #endif /* SOC_INTEL_COMMON_BLOCK_ITSS_H */ 45