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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* ipmi_si.h
*
* Interface from the device-specific interfaces (OF, DMI, ACPI, PCI,
* etc) to the base ipmi system interface code.
*/
#ifndef __IPMI_SI_H__
#define __IPMI_SI_H__
#include <linux/ipmi.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#define SI_DEVICE_NAME "ipmi_si"
#define DEFAULT_REGSPACING 1
#define DEFAULT_REGSIZE 1
/* Numbers in this enumerator should be mapped to si_to_str[] */
enum si_type {
SI_TYPE_INVALID, SI_KCS, SI_SMIC, SI_BT, SI_TYPE_MAX
};
/* Array is defined in the ipmi_si_intf.c */
extern const char *const si_to_str[];
enum ipmi_addr_space {
IPMI_IO_ADDR_SPACE, IPMI_MEM_ADDR_SPACE
};
/*
* The structure for doing I/O in the state machine. The state
* machine doesn't have the actual I/O routines, they are done through
* this interface.
*/
struct si_sm_io {
unsigned char (*inputb)(const struct si_sm_io *io, unsigned int offset);
void (*outputb)(const struct si_sm_io *io,
unsigned int offset,
unsigned char b);
/*
* Generic info used by the actual handling routines, the
* state machine shouldn't touch these.
*/
void __iomem *addr;
unsigned int regspacing;
unsigned int regsize;
unsigned int regshift;
enum ipmi_addr_space addr_space;
unsigned long addr_data;
enum ipmi_addr_src addr_source; /* ACPI, PCI, SMBIOS, hardcode, etc. */
union ipmi_smi_info_union addr_info;
int (*io_setup)(struct si_sm_io *info);
void (*io_cleanup)(struct si_sm_io *info);
unsigned int io_size;
int irq;
int (*irq_setup)(struct si_sm_io *io);
void *irq_handler_data;
void (*irq_cleanup)(struct si_sm_io *io);
u8 slave_addr;
enum si_type si_type;
struct device *dev;
};
int ipmi_si_add_smi(struct si_sm_io *io);
irqreturn_t ipmi_si_irq_handler(int irq, void *data);
void ipmi_irq_start_cleanup(struct si_sm_io *io);
int ipmi_std_irq_setup(struct si_sm_io *io);
void ipmi_irq_finish_setup(struct si_sm_io *io);
void ipmi_si_remove_by_dev(struct device *dev);
struct device *ipmi_si_remove_by_data(int addr_space, enum si_type si_type,
unsigned long addr);
void ipmi_hardcode_init(void);
void ipmi_si_hardcode_exit(void);
void ipmi_si_hotmod_exit(void);
int ipmi_si_hardcode_match(int addr_space, unsigned long addr);
void ipmi_si_platform_init(void);
void ipmi_si_platform_shutdown(void);
void ipmi_remove_platform_device_by_name(char *name);
extern struct platform_driver ipmi_platform_driver;
#ifdef CONFIG_PCI
void ipmi_si_pci_init(void);
void ipmi_si_pci_shutdown(void);
#else
static inline void ipmi_si_pci_init(void) { }
static inline void ipmi_si_pci_shutdown(void) { }
#endif
#ifdef CONFIG_PARISC
void ipmi_si_parisc_init(void);
void ipmi_si_parisc_shutdown(void);
#else
static inline void ipmi_si_parisc_init(void) { }
static inline void ipmi_si_parisc_shutdown(void) { }
#endif
int ipmi_si_port_setup(struct si_sm_io *io);
int ipmi_si_mem_setup(struct si_sm_io *io);
#endif /* __IPMI_SI_H__ */
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