/* 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__ */