diff options
Diffstat (limited to 'drivers/pnp/pnpbios/pnpbios.h')
| -rw-r--r-- | drivers/pnp/pnpbios/pnpbios.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/pnp/pnpbios/pnpbios.h b/drivers/pnp/pnpbios/pnpbios.h new file mode 100644 index 000000000000..01896e705ed4 --- /dev/null +++ b/drivers/pnp/pnpbios/pnpbios.h @@ -0,0 +1,47 @@ +/* + * pnpbios.h - contains local definitions + */ + +#pragma pack(1) +union pnp_bios_install_struct { + struct { + u32 signature; /* "$PnP" */ + u8 version; /* in BCD */ + u8 length; /* length in bytes, currently 21h */ + u16 control; /* system capabilities */ + u8 checksum; /* all bytes must add up to 0 */ + + u32 eventflag; /* phys. address of the event flag */ + u16 rmoffset; /* real mode entry point */ + u16 rmcseg; + u16 pm16offset; /* 16 bit protected mode entry */ + u32 pm16cseg; + u32 deviceID; /* EISA encoded system ID or 0 */ + u16 rmdseg; /* real mode data segment */ + u32 pm16dseg; /* 16 bit pm data segment base */ + } fields; + char chars[0x21]; /* To calculate the checksum */ +}; +#pragma pack() + +extern int pnp_bios_present(void); +extern int pnpbios_dont_use_current_config; +extern void *pnpbios_kmalloc(size_t size, int f); + +extern int pnpbios_parse_data_stream(struct pnp_dev *dev, struct pnp_bios_node * node); +extern int pnpbios_read_resources_from_node(struct pnp_resource_table *res, struct pnp_bios_node * node); +extern int pnpbios_write_resources_to_node(struct pnp_resource_table *res, struct pnp_bios_node * node); +extern void pnpid32_to_pnpid(u32 id, char *str); + +extern void pnpbios_print_status(const char * module, u16 status); +extern void pnpbios_calls_init(union pnp_bios_install_struct * header); + +#ifdef CONFIG_PNPBIOS_PROC_FS +extern int pnpbios_interface_attach_device(struct pnp_bios_node * node); +extern int pnpbios_proc_init (void); +extern void pnpbios_proc_exit (void); +#else +static inline int pnpbios_interface_attach_device(struct pnp_bios_node * node) { return 0; } +static inline int pnpbios_proc_init (void) { return 0; } +static inline void pnpbios_proc_exit (void) { ; } +#endif /* CONFIG_PNPBIOS_PROC_FS */ |