http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/linux/mca.h

/* * Header for Microchannel Architecture Bus * Written by Martin Kolinek, February 1996 */ #ifndef _LINUX_MCA_H #define _LINUX_MCA_H #include <linux/device.h> #ifdef CONFIG_MCA #include <asm/mca.h> extern int MCA_bus; #else #define MCA_bus 0 #endif /* This sets up an information callback for /proc/mca/slot?. The * function is called with the buffer, slot, and device pointer (or * some equally informative context information, or nothing, if you * prefer), and is expected to put useful information into the * buffer. The adapter name, id, and POS registers get printed * before this is called though, so don't do it again. * * This should be called with a NULL procfn when a module * unregisters, thus preventing kernel crashes and other such * nastiness. */ typedef int (*MCA_ProcFn)(char* buf, int slot, void* dev); /* Should only be called by the NMI interrupt handler, this will do some * fancy stuff to figure out what might have generated a NMI. */ extern void mca_handle_nmi(void); enum MCA_AdapterStatus { MCA_ADAPTER_NORMAL = 0, MCA_ADAPTER_NONE = 1, MCA_ADAPTER_DISABLED = 2, MCA_ADAPTER_ERROR = 3 }; struct mca_device { u64 dma_mask; int pos_id; int slot; /* index into id_table, set by the bus match routine */ int index; /* is there a driver installed? 0 - No, 1 - Yes */ int driver_loaded; /* POS registers */ unsigned char pos[8]; /* if a pseudo adapter of the motherboard, this is the motherboard * register value to use for setup cycles */ short pos_register; enum MCA_AdapterStatus status; #ifdef CONFIG_MCA_PROC_FS /* name of the proc/mca file */ char procname[8]; /* /proc info callback */ MCA_ProcFn procfn; /* device/context info for proc callback */ void *proc_dev; #endif struct device dev; char name[32]; }; #define to_mca_device(mdev) container_of(mdev, struct mca_device, dev) struct mca_bus_accessor_functions { unsigned char (*mca_read_pos)(struct mca_device *, int reg); void (*mca_write_pos)(struct mca_device *, int reg, unsigned char byte); int (*mca_transform_irq)(struct mca_device *, int irq); int (*mca_transform_ioport)(struct mca_device *, int region); void * (*mca_transform_memory)(struct mca_device *, void *memory); }; struct mca_bus { u64 default_dma_mask; int number; struct mca_bus_accessor_functions f; struct device dev; char name[32]; }; #define to_mca_bus(mdev) container_of(mdev, struct mca_bus, dev) struct mca_driver { const short *id_table; void *driver_data; struct device_driver driver; }; #define to_mca_driver(mdriver) container_of(mdriver, struct mca_driver, driver) /* Ongoing supported API functions */ extern struct mca_device *mca_find_device_by_slot(int slot); extern int mca_system_init(void); extern struct mca_bus *mca_attach_bus(int); extern unsigned char mca_device_read_stored_pos(struct mca_device *mca_dev, int reg); extern unsigned char mca_device_read_pos(struct mca_device *mca_dev, int reg); extern void mca_device_write_pos(struct mca_device *mca_dev, int reg, unsigned char byte); extern int mca_device_transform_irq(struct mca_device *mca_dev, int irq); extern int mca_device_transform_ioport(struct mca_device *mca_dev, int port); extern void *mca_device_transform_memory(struct mca_device *mca_dev, void *mem); extern int mca_device_claimed(struct mca_device *mca_dev); extern void mca_device_set_claim(struct mca_device *mca_dev, int val); extern void mca_device_set_name(struct mca_device *mca_dev, const char *name); static inline char *mca_device_get_name(struct mca_device *mca_dev) { return mca_dev ? mca_dev->name : NULL; } extern enum MCA_AdapterStatus mca_device_status(struct mca_device *mca_dev); extern struct bus_type mca_bus_type; extern int mca_register_driver(struct mca_driver *drv); extern void mca_unregister_driver(struct mca_driver *drv); /* WARNING: only called by the boot time device setup */ extern int mca_register_device(int bus, struct mca_device *mca_dev); #ifdef CONFIG_MCA_PROC_FS extern void mca_do_proc_init(void); extern void mca_set_adapter_procfn(int slot, MCA_ProcFn, void* dev); #else static inline void mca_do_proc_init(void) { } static inline void mca_set_adapter_procfn(int slot, MCA_ProcFn fn, void* dev) { } #endif #endif /* _LINUX_MCA_H */