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/*

 * 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>

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License as published by the

 * Free Software Foundation; either version 2, or (at your option) any

 * later version.

 *

 * This program is distributed in the hope that it will be useful, but

 * WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 */

#ifndef _LINUX_PNPBIOS_H

#define _LINUX_PNPBIOS_H

#ifdef __KERNEL__

#include <linux/types.h>

#include <linux/pnp.h>

/*

 * 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[0];

};

#pragma pack()

#ifdef CONFIG_PNPBIOS

/* 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);

#if needed

extern int pnp_bios_get_event (u16 *message);

extern int pnp_bios_send_message (u16 message);

extern int pnp_bios_set_stat_res (char *info);

extern int pnp_bios_apm_id_table (char *table, u16 *size);

extern int pnp_bios_write_escd (char *data, u32 nvram_base);

#endif

#endif /* CONFIG_PNPBIOS */

#endif /* __KERNEL__ */

#endif /* _LINUX_PNPBIOS_H */