152 lines
4.4 KiB
C
152 lines
4.4 KiB
C
/*
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* Include file for the interface to a PnP BIOS
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*
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* Original BIOS code (C) 1998 Christian Schmidt (chr.schmidt@tu-bs.de)
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* PnP handler parts (c) 1998 Tom Lees <tom@lpsg.demon.co.uk>
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* Minor reorganizations by David Hinds <dahinds@users.sourceforge.net>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _LINUX_PNPBIOS_H
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#define _LINUX_PNPBIOS_H
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#ifdef __KERNEL__
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#include <linux/types.h>
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#include <linux/pnp.h>
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/*
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* Return codes
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*/
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#define PNP_SUCCESS 0x00
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#define PNP_NOT_SET_STATICALLY 0x7f
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#define PNP_UNKNOWN_FUNCTION 0x81
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#define PNP_FUNCTION_NOT_SUPPORTED 0x82
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#define PNP_INVALID_HANDLE 0x83
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#define PNP_BAD_PARAMETER 0x84
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#define PNP_SET_FAILED 0x85
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#define PNP_EVENTS_NOT_PENDING 0x86
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#define PNP_SYSTEM_NOT_DOCKED 0x87
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#define PNP_NO_ISA_PNP_CARDS 0x88
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#define PNP_UNABLE_TO_DETERMINE_DOCK_CAPABILITIES 0x89
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#define PNP_CONFIG_CHANGE_FAILED_NO_BATTERY 0x8a
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#define PNP_CONFIG_CHANGE_FAILED_RESOURCE_CONFLICT 0x8b
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#define PNP_BUFFER_TOO_SMALL 0x8c
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#define PNP_USE_ESCD_SUPPORT 0x8d
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#define PNP_MESSAGE_NOT_SUPPORTED 0x8e
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#define PNP_HARDWARE_ERROR 0x8f
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#define ESCD_SUCCESS 0x00
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#define ESCD_IO_ERROR_READING 0x55
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#define ESCD_INVALID 0x56
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#define ESCD_BUFFER_TOO_SMALL 0x59
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#define ESCD_NVRAM_TOO_SMALL 0x5a
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#define ESCD_FUNCTION_NOT_SUPPORTED 0x81
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/*
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* Events that can be received by "get event"
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*/
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#define PNPEV_ABOUT_TO_CHANGE_CONFIG 0x0001
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#define PNPEV_DOCK_CHANGED 0x0002
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#define PNPEV_SYSTEM_DEVICE_CHANGED 0x0003
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#define PNPEV_CONFIG_CHANGED_FAILED 0x0004
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#define PNPEV_UNKNOWN_SYSTEM_EVENT 0xffff
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/* 0x8000 through 0xfffe are OEM defined */
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/*
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* Messages that should be sent through "send message"
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*/
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#define PNPMSG_OK 0x00
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#define PNPMSG_ABORT 0x01
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#define PNPMSG_UNDOCK_DEFAULT_ACTION 0x40
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#define PNPMSG_POWER_OFF 0x41
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#define PNPMSG_PNP_OS_ACTIVE 0x42
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#define PNPMSG_PNP_OS_INACTIVE 0x43
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/*
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* Plug and Play BIOS flags
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*/
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#define PNPBIOS_NO_DISABLE 0x0001
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#define PNPBIOS_NO_CONFIG 0x0002
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#define PNPBIOS_OUTPUT 0x0004
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#define PNPBIOS_INPUT 0x0008
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#define PNPBIOS_BOOTABLE 0x0010
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#define PNPBIOS_DOCK 0x0020
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#define PNPBIOS_REMOVABLE 0x0040
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#define pnpbios_is_static(x) (((x)->flags & 0x0100) == 0x0000)
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#define pnpbios_is_dynamic(x) ((x)->flags & 0x0080)
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/*
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* Function Parameters
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*/
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#define PNPMODE_STATIC 1
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#define PNPMODE_DYNAMIC 0
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/* 0x8000 through 0xffff are OEM defined */
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#pragma pack(1)
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struct pnp_dev_node_info {
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__u16 no_nodes;
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__u16 max_node_size;
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};
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struct pnp_docking_station_info {
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__u32 location_id;
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__u32 serial;
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__u16 capabilities;
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};
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struct pnp_isa_config_struc {
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__u8 revision;
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__u8 no_csns;
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__u16 isa_rd_data_port;
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__u16 reserved;
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};
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struct escd_info_struc {
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__u16 min_escd_write_size;
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__u16 escd_size;
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__u32 nv_storage_base;
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};
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struct pnp_bios_node {
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__u16 size;
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__u8 handle;
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__u32 eisa_id;
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__u8 type_code[3];
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__u16 flags;
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__u8 data[0];
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};
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#pragma pack()
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#ifdef CONFIG_PNPBIOS
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/* non-exported */
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extern struct pnp_dev_node_info node_info;
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extern int pnp_bios_dev_node_info(struct pnp_dev_node_info *data);
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extern int pnp_bios_get_dev_node(u8 *nodenum, char config,
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struct pnp_bios_node *data);
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extern int pnp_bios_set_dev_node(u8 nodenum, char config,
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struct pnp_bios_node *data);
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extern int pnp_bios_get_stat_res(char *info);
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extern int pnp_bios_isapnp_config(struct pnp_isa_config_struc *data);
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extern int pnp_bios_escd_info(struct escd_info_struc *data);
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extern int pnp_bios_read_escd(char *data, u32 nvram_base);
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extern int pnp_bios_dock_station_info(struct pnp_docking_station_info *data);
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#endif /* CONFIG_PNPBIOS */
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#endif /* __KERNEL__ */
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#endif /* _LINUX_PNPBIOS_H */
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