src/soc/amd/common/block/include/amdblocks/smi.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef AMD_BLOCK_SMI_H
   4 #define AMD_BLOCK_SMI_H
   5
   6 #include <types.h>
   7
   8 enum smi_mode {
   9         SMI_MODE_DISABLE = 0,
  10         SMI_MODE_SMI = 1,
  11         SMI_MODE_NMI = 2,
  12         SMI_MODE_IRQ13 = 3,
  13 };
  14
  15 enum smi_sci_type {
  16         INTERRUPT_NONE,
  17         INTERRUPT_SCI,
  18         INTERRUPT_SMI,
  19         INTERRUPT_BOTH,
  20 };
  21
  22 enum smi_sci_lvl {
  23         SMI_SCI_LVL_LOW,
  24         SMI_SCI_LVL_HIGH,
  25 };
  26
  27 enum smi_sci_dir {
  28         SMI_SCI_EDG,
  29         SMI_SCI_LVL,
  30 };
  31
  32 struct smi_sources_t {
  33         int type;
  34         void (*handler)(void);
  35 };
  36
  37 struct sci_source {
  38         uint8_t scimap;         /* SCI source number */
  39         uint8_t gpe;            /* 32 GPEs */
  40         uint8_t direction;      /* Active High or Low,  smi_sci_lvl */
  41         uint8_t level;          /* Edge or Level,  smi_sci_dir */
  42 };
  43
  44 void configure_smi(uint8_t smi_num, uint8_t mode);
  45 void configure_gevent_smi(uint8_t gevent, uint8_t mode, uint8_t level);
  46 void configure_scimap(const struct sci_source *sci);
  47 void disable_gevent_smi(uint8_t gevent);
  48 void gpe_configure_sci(const struct sci_source *scis, size_t num_gpes);
  49 void clear_all_smi_status(void);
  50 void clear_smi_sci_status(void);
  51 void reset_psp_smi(void);
  52 void configure_psp_smi(void);
  53
  54 #endif /* AMD_BLOCK_SMI_H */