170 строки
5.2 KiB
C
170 строки
5.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* pnpbios.h - contains local definitions
|
|
*/
|
|
|
|
/*
|
|
* Include file for the interface to a PnP BIOS
|
|
*
|
|
* Original BIOS code (C) 1998 Christian Schmidt (chr.schmidt@tu-bs.de)
|
|
* PnP handler parts (c) 1998 Tom Lees <tom@lpsg.demon.co.uk>
|
|
* Minor reorganizations by David Hinds <dahinds@users.sourceforge.net>
|
|
*/
|
|
|
|
/*
|
|
* Return codes
|
|
*/
|
|
#define PNP_SUCCESS 0x00
|
|
#define PNP_NOT_SET_STATICALLY 0x7f
|
|
#define PNP_UNKNOWN_FUNCTION 0x81
|
|
#define PNP_FUNCTION_NOT_SUPPORTED 0x82
|
|
#define PNP_INVALID_HANDLE 0x83
|
|
#define PNP_BAD_PARAMETER 0x84
|
|
#define PNP_SET_FAILED 0x85
|
|
#define PNP_EVENTS_NOT_PENDING 0x86
|
|
#define PNP_SYSTEM_NOT_DOCKED 0x87
|
|
#define PNP_NO_ISA_PNP_CARDS 0x88
|
|
#define PNP_UNABLE_TO_DETERMINE_DOCK_CAPABILITIES 0x89
|
|
#define PNP_CONFIG_CHANGE_FAILED_NO_BATTERY 0x8a
|
|
#define PNP_CONFIG_CHANGE_FAILED_RESOURCE_CONFLICT 0x8b
|
|
#define PNP_BUFFER_TOO_SMALL 0x8c
|
|
#define PNP_USE_ESCD_SUPPORT 0x8d
|
|
#define PNP_MESSAGE_NOT_SUPPORTED 0x8e
|
|
#define PNP_HARDWARE_ERROR 0x8f
|
|
|
|
#define ESCD_SUCCESS 0x00
|
|
#define ESCD_IO_ERROR_READING 0x55
|
|
#define ESCD_INVALID 0x56
|
|
#define ESCD_BUFFER_TOO_SMALL 0x59
|
|
#define ESCD_NVRAM_TOO_SMALL 0x5a
|
|
#define ESCD_FUNCTION_NOT_SUPPORTED 0x81
|
|
|
|
/*
|
|
* Events that can be received by "get event"
|
|
*/
|
|
#define PNPEV_ABOUT_TO_CHANGE_CONFIG 0x0001
|
|
#define PNPEV_DOCK_CHANGED 0x0002
|
|
#define PNPEV_SYSTEM_DEVICE_CHANGED 0x0003
|
|
#define PNPEV_CONFIG_CHANGED_FAILED 0x0004
|
|
#define PNPEV_UNKNOWN_SYSTEM_EVENT 0xffff
|
|
/* 0x8000 through 0xfffe are OEM defined */
|
|
|
|
/*
|
|
* Messages that should be sent through "send message"
|
|
*/
|
|
#define PNPMSG_OK 0x00
|
|
#define PNPMSG_ABORT 0x01
|
|
#define PNPMSG_UNDOCK_DEFAULT_ACTION 0x40
|
|
#define PNPMSG_POWER_OFF 0x41
|
|
#define PNPMSG_PNP_OS_ACTIVE 0x42
|
|
#define PNPMSG_PNP_OS_INACTIVE 0x43
|
|
|
|
/*
|
|
* Plug and Play BIOS flags
|
|
*/
|
|
#define PNPBIOS_NO_DISABLE 0x0001
|
|
#define PNPBIOS_NO_CONFIG 0x0002
|
|
#define PNPBIOS_OUTPUT 0x0004
|
|
#define PNPBIOS_INPUT 0x0008
|
|
#define PNPBIOS_BOOTABLE 0x0010
|
|
#define PNPBIOS_DOCK 0x0020
|
|
#define PNPBIOS_REMOVABLE 0x0040
|
|
#define pnpbios_is_static(x) (((x)->flags & 0x0100) == 0x0000)
|
|
#define pnpbios_is_dynamic(x) ((x)->flags & 0x0080)
|
|
|
|
/*
|
|
* Function Parameters
|
|
*/
|
|
#define PNPMODE_STATIC 1
|
|
#define PNPMODE_DYNAMIC 0
|
|
|
|
/* 0x8000 through 0xffff are OEM defined */
|
|
|
|
#pragma pack(1)
|
|
struct pnp_dev_node_info {
|
|
__u16 no_nodes;
|
|
__u16 max_node_size;
|
|
};
|
|
struct pnp_docking_station_info {
|
|
__u32 location_id;
|
|
__u32 serial;
|
|
__u16 capabilities;
|
|
};
|
|
struct pnp_isa_config_struc {
|
|
__u8 revision;
|
|
__u8 no_csns;
|
|
__u16 isa_rd_data_port;
|
|
__u16 reserved;
|
|
};
|
|
struct escd_info_struc {
|
|
__u16 min_escd_write_size;
|
|
__u16 escd_size;
|
|
__u32 nv_storage_base;
|
|
};
|
|
struct pnp_bios_node {
|
|
__u16 size;
|
|
__u8 handle;
|
|
__u32 eisa_id;
|
|
__u8 type_code[3];
|
|
__u16 flags;
|
|
__u8 data[];
|
|
};
|
|
#pragma pack()
|
|
|
|
/* non-exported */
|
|
extern struct pnp_dev_node_info node_info;
|
|
|
|
extern int pnp_bios_dev_node_info(struct pnp_dev_node_info *data);
|
|
extern int pnp_bios_get_dev_node(u8 *nodenum, char config,
|
|
struct pnp_bios_node *data);
|
|
extern int pnp_bios_set_dev_node(u8 nodenum, char config,
|
|
struct pnp_bios_node *data);
|
|
extern int pnp_bios_get_stat_res(char *info);
|
|
extern int pnp_bios_isapnp_config(struct pnp_isa_config_struc *data);
|
|
extern int pnp_bios_escd_info(struct escd_info_struc *data);
|
|
extern int pnp_bios_read_escd(char *data, u32 nvram_base);
|
|
extern int pnp_bios_dock_station_info(struct pnp_docking_station_info *data);
|
|
|
|
#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 int pnpbios_parse_data_stream(struct pnp_dev *dev, struct pnp_bios_node * node);
|
|
extern int pnpbios_read_resources_from_node(struct pnp_dev *dev, struct pnp_bios_node *node);
|
|
extern int pnpbios_write_resources_to_node(struct pnp_dev *dev, 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 */
|