smi.h

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#ifndef AMD_BLOCK_SMI_H
#define AMD_BLOCK_SMI_H
 
#include <types.h>
 
enum smi_mode {
        SMI_MODE_DISABLE = 0,
        SMI_MODE_SMI = 1,
        SMI_MODE_NMI = 2,
        SMI_MODE_IRQ13 = 3,
};
 
enum smi_sci_type {
        INTERRUPT_NONE,
        INTERRUPT_SCI,
        INTERRUPT_SMI,
        INTERRUPT_BOTH,
};
 
enum smi_sci_lvl {
        SMI_SCI_LVL_LOW,
        SMI_SCI_LVL_HIGH,
};
 
enum smi_sci_dir {
        SMI_SCI_EDG,
        SMI_SCI_LVL,
};
 
struct smi_sources_t {
        int type;
        void (*handler)(void);
};
 
struct sci_source {
        uint8_t scimap;         /* SCI source number */
        uint8_t gpe;            /* 32 GPEs */
        uint8_t direction;      /* Active High or Low,  smi_sci_lvl */
        uint8_t level;          /* Edge or Level,  smi_sci_dir */
};
 
void configure_smi(uint8_t smi_num, uint8_t mode);
void configure_gevent_smi(uint8_t gevent, uint8_t mode, uint8_t level);
void configure_scimap(const struct sci_source *sci);
void disable_gevent_smi(uint8_t gevent);
void gpe_configure_sci(const struct sci_source *scis, size_t num_gpes);
void clear_all_smi_status(void);
void clear_smi_sci_status(void);
 
#endif /* AMD_BLOCK_SMI_H */