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48 lines
1.7 KiB
48 lines
1.7 KiB
20 years ago
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/*
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* pnpbios.h - contains local definitions
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*/
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#pragma pack(1)
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union pnp_bios_install_struct {
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struct {
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u32 signature; /* "$PnP" */
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u8 version; /* in BCD */
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u8 length; /* length in bytes, currently 21h */
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u16 control; /* system capabilities */
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u8 checksum; /* all bytes must add up to 0 */
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u32 eventflag; /* phys. address of the event flag */
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u16 rmoffset; /* real mode entry point */
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u16 rmcseg;
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u16 pm16offset; /* 16 bit protected mode entry */
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u32 pm16cseg;
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u32 deviceID; /* EISA encoded system ID or 0 */
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u16 rmdseg; /* real mode data segment */
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u32 pm16dseg; /* 16 bit pm data segment base */
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} fields;
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char chars[0x21]; /* To calculate the checksum */
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};
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#pragma pack()
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extern int pnp_bios_present(void);
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extern int pnpbios_dont_use_current_config;
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extern void *pnpbios_kmalloc(size_t size, int f);
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extern int pnpbios_parse_data_stream(struct pnp_dev *dev, struct pnp_bios_node * node);
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extern int pnpbios_read_resources_from_node(struct pnp_resource_table *res, struct pnp_bios_node * node);
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extern int pnpbios_write_resources_to_node(struct pnp_resource_table *res, struct pnp_bios_node * node);
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extern void pnpid32_to_pnpid(u32 id, char *str);
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extern void pnpbios_print_status(const char * module, u16 status);
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extern void pnpbios_calls_init(union pnp_bios_install_struct * header);
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#ifdef CONFIG_PNPBIOS_PROC_FS
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extern int pnpbios_interface_attach_device(struct pnp_bios_node * node);
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extern int pnpbios_proc_init (void);
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extern void pnpbios_proc_exit (void);
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#else
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static inline int pnpbios_interface_attach_device(struct pnp_bios_node * node) { return 0; }
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static inline int pnpbios_proc_init (void) { return 0; }
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static inline void pnpbios_proc_exit (void) { ; }
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#endif /* CONFIG_PNPBIOS_PROC_FS */
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