src/soc/intel/common/block/include/intelblocks/itss.h

   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 */