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1/* SPDX-License-Identifier: GPL-2.0+ */2/*3 * ipmi_si.h4 *5 * Interface from the device-specific interfaces (OF, DMI, ACPI, PCI,6 * etc) to the base ipmi system interface code.7 */8 9#ifndef __IPMI_SI_H__10#define __IPMI_SI_H__11 12#include <linux/ipmi.h>13#include <linux/interrupt.h>14#include <linux/platform_device.h>15 16#define SI_DEVICE_NAME "ipmi_si"17 18#define DEFAULT_REGSPACING 119#define DEFAULT_REGSIZE 120 21/* Numbers in this enumerator should be mapped to si_to_str[] */22enum si_type {23 SI_TYPE_INVALID, SI_KCS, SI_SMIC, SI_BT, SI_TYPE_MAX24};25 26/* Array is defined in the ipmi_si_intf.c */27extern const char *const si_to_str[];28 29enum ipmi_addr_space {30 IPMI_IO_ADDR_SPACE, IPMI_MEM_ADDR_SPACE31};32 33/*34 * The structure for doing I/O in the state machine. The state35 * machine doesn't have the actual I/O routines, they are done through36 * this interface.37 */38struct si_sm_io {39 unsigned char (*inputb)(const struct si_sm_io *io, unsigned int offset);40 void (*outputb)(const struct si_sm_io *io,41 unsigned int offset,42 unsigned char b);43 44 /*45 * Generic info used by the actual handling routines, the46 * state machine shouldn't touch these.47 */48 void __iomem *addr;49 unsigned int regspacing;50 unsigned int regsize;51 unsigned int regshift;52 enum ipmi_addr_space addr_space;53 unsigned long addr_data;54 enum ipmi_addr_src addr_source; /* ACPI, PCI, SMBIOS, hardcode, etc. */55 union ipmi_smi_info_union addr_info;56 57 int (*io_setup)(struct si_sm_io *info);58 void (*io_cleanup)(struct si_sm_io *info);59 unsigned int io_size;60 61 int irq;62 int (*irq_setup)(struct si_sm_io *io);63 void *irq_handler_data;64 void (*irq_cleanup)(struct si_sm_io *io);65 66 u8 slave_addr;67 enum si_type si_type;68 struct device *dev;69};70 71int ipmi_si_add_smi(struct si_sm_io *io);72irqreturn_t ipmi_si_irq_handler(int irq, void *data);73void ipmi_irq_start_cleanup(struct si_sm_io *io);74int ipmi_std_irq_setup(struct si_sm_io *io);75void ipmi_irq_finish_setup(struct si_sm_io *io);76void ipmi_si_remove_by_dev(struct device *dev);77struct device *ipmi_si_remove_by_data(int addr_space, enum si_type si_type,78 unsigned long addr);79void ipmi_hardcode_init(void);80void ipmi_si_hardcode_exit(void);81void ipmi_si_hotmod_exit(void);82int ipmi_si_hardcode_match(int addr_space, unsigned long addr);83void ipmi_si_platform_init(void);84void ipmi_si_platform_shutdown(void);85void ipmi_remove_platform_device_by_name(char *name);86 87extern struct platform_driver ipmi_platform_driver;88 89#ifdef CONFIG_PCI90void ipmi_si_pci_init(void);91void ipmi_si_pci_shutdown(void);92#else93static inline void ipmi_si_pci_init(void) { }94static inline void ipmi_si_pci_shutdown(void) { }95#endif96#ifdef CONFIG_PARISC97void ipmi_si_parisc_init(void);98void ipmi_si_parisc_shutdown(void);99#else100static inline void ipmi_si_parisc_init(void) { }101static inline void ipmi_si_parisc_shutdown(void) { }102#endif103 104int ipmi_si_port_setup(struct si_sm_io *io);105int ipmi_si_mem_setup(struct si_sm_io *io);106 107#endif /* __IPMI_SI_H__ */108