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1da177e4 LT |
1 | /* |
2 | * Include file for the interface to a PnP BIOS | |
3 | * | |
4 | * Original BIOS code (C) 1998 Christian Schmidt (chr.schmidt@tu-bs.de) | |
5 | * PnP handler parts (c) 1998 Tom Lees <tom@lpsg.demon.co.uk> | |
6 | * Minor reorganizations by David Hinds <dahinds@users.sourceforge.net> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2, or (at your option) any | |
11 | * later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | */ | |
22 | ||
23 | #ifndef _LINUX_PNPBIOS_H | |
24 | #define _LINUX_PNPBIOS_H | |
25 | ||
26 | #ifdef __KERNEL__ | |
27 | ||
28 | #include <linux/types.h> | |
29 | #include <linux/pnp.h> | |
30 | ||
31 | /* | |
32 | * Return codes | |
33 | */ | |
34 | #define PNP_SUCCESS 0x00 | |
35 | #define PNP_NOT_SET_STATICALLY 0x7f | |
36 | #define PNP_UNKNOWN_FUNCTION 0x81 | |
37 | #define PNP_FUNCTION_NOT_SUPPORTED 0x82 | |
38 | #define PNP_INVALID_HANDLE 0x83 | |
39 | #define PNP_BAD_PARAMETER 0x84 | |
40 | #define PNP_SET_FAILED 0x85 | |
41 | #define PNP_EVENTS_NOT_PENDING 0x86 | |
42 | #define PNP_SYSTEM_NOT_DOCKED 0x87 | |
43 | #define PNP_NO_ISA_PNP_CARDS 0x88 | |
44 | #define PNP_UNABLE_TO_DETERMINE_DOCK_CAPABILITIES 0x89 | |
45 | #define PNP_CONFIG_CHANGE_FAILED_NO_BATTERY 0x8a | |
46 | #define PNP_CONFIG_CHANGE_FAILED_RESOURCE_CONFLICT 0x8b | |
47 | #define PNP_BUFFER_TOO_SMALL 0x8c | |
48 | #define PNP_USE_ESCD_SUPPORT 0x8d | |
49 | #define PNP_MESSAGE_NOT_SUPPORTED 0x8e | |
50 | #define PNP_HARDWARE_ERROR 0x8f | |
51 | ||
52 | #define ESCD_SUCCESS 0x00 | |
53 | #define ESCD_IO_ERROR_READING 0x55 | |
54 | #define ESCD_INVALID 0x56 | |
55 | #define ESCD_BUFFER_TOO_SMALL 0x59 | |
56 | #define ESCD_NVRAM_TOO_SMALL 0x5a | |
57 | #define ESCD_FUNCTION_NOT_SUPPORTED 0x81 | |
58 | ||
59 | /* | |
60 | * Events that can be received by "get event" | |
61 | */ | |
62 | #define PNPEV_ABOUT_TO_CHANGE_CONFIG 0x0001 | |
63 | #define PNPEV_DOCK_CHANGED 0x0002 | |
64 | #define PNPEV_SYSTEM_DEVICE_CHANGED 0x0003 | |
65 | #define PNPEV_CONFIG_CHANGED_FAILED 0x0004 | |
66 | #define PNPEV_UNKNOWN_SYSTEM_EVENT 0xffff | |
67 | /* 0x8000 through 0xfffe are OEM defined */ | |
68 | ||
69 | /* | |
70 | * Messages that should be sent through "send message" | |
71 | */ | |
72 | #define PNPMSG_OK 0x00 | |
73 | #define PNPMSG_ABORT 0x01 | |
74 | #define PNPMSG_UNDOCK_DEFAULT_ACTION 0x40 | |
75 | #define PNPMSG_POWER_OFF 0x41 | |
76 | #define PNPMSG_PNP_OS_ACTIVE 0x42 | |
77 | #define PNPMSG_PNP_OS_INACTIVE 0x43 | |
78 | ||
79 | /* | |
80 | * Plug and Play BIOS flags | |
81 | */ | |
82 | #define PNPBIOS_NO_DISABLE 0x0001 | |
83 | #define PNPBIOS_NO_CONFIG 0x0002 | |
84 | #define PNPBIOS_OUTPUT 0x0004 | |
85 | #define PNPBIOS_INPUT 0x0008 | |
86 | #define PNPBIOS_BOOTABLE 0x0010 | |
87 | #define PNPBIOS_DOCK 0x0020 | |
88 | #define PNPBIOS_REMOVABLE 0x0040 | |
89 | #define pnpbios_is_static(x) (((x)->flags & 0x0100) == 0x0000) | |
90 | #define pnpbios_is_dynamic(x) ((x)->flags & 0x0080) | |
91 | ||
92 | /* | |
93 | * Function Parameters | |
94 | */ | |
95 | #define PNPMODE_STATIC 1 | |
96 | #define PNPMODE_DYNAMIC 0 | |
97 | ||
98 | /* 0x8000 through 0xffff are OEM defined */ | |
99 | ||
100 | #pragma pack(1) | |
101 | struct pnp_dev_node_info { | |
9dd78466 BH |
102 | __u16 no_nodes; |
103 | __u16 max_node_size; | |
1da177e4 LT |
104 | }; |
105 | struct pnp_docking_station_info { | |
9dd78466 BH |
106 | __u32 location_id; |
107 | __u32 serial; | |
108 | __u16 capabilities; | |
1da177e4 LT |
109 | }; |
110 | struct pnp_isa_config_struc { | |
9dd78466 BH |
111 | __u8 revision; |
112 | __u8 no_csns; | |
113 | __u16 isa_rd_data_port; | |
114 | __u16 reserved; | |
1da177e4 LT |
115 | }; |
116 | struct escd_info_struc { | |
9dd78466 BH |
117 | __u16 min_escd_write_size; |
118 | __u16 escd_size; | |
119 | __u32 nv_storage_base; | |
1da177e4 LT |
120 | }; |
121 | struct pnp_bios_node { | |
9dd78466 BH |
122 | __u16 size; |
123 | __u8 handle; | |
124 | __u32 eisa_id; | |
125 | __u8 type_code[3]; | |
126 | __u16 flags; | |
127 | __u8 data[0]; | |
1da177e4 LT |
128 | }; |
129 | #pragma pack() | |
130 | ||
131 | #ifdef CONFIG_PNPBIOS | |
132 | ||
133 | /* non-exported */ | |
134 | extern struct pnp_dev_node_info node_info; | |
135 | ||
9dd78466 | 136 | extern int pnp_bios_dev_node_info(struct pnp_dev_node_info *data); |
07d4e9af | 137 | extern int pnp_bios_get_dev_node(u8 *nodenum, char config, |
9dd78466 BH |
138 | struct pnp_bios_node *data); |
139 | extern int pnp_bios_set_dev_node(u8 nodenum, char config, | |
140 | struct pnp_bios_node *data); | |
141 | extern int pnp_bios_get_stat_res(char *info); | |
142 | extern int pnp_bios_isapnp_config(struct pnp_isa_config_struc *data); | |
143 | extern int pnp_bios_escd_info(struct escd_info_struc *data); | |
144 | extern int pnp_bios_read_escd(char *data, u32 nvram_base); | |
1da177e4 | 145 | extern int pnp_bios_dock_station_info(struct pnp_docking_station_info *data); |
1da177e4 LT |
146 | |
147 | #endif /* CONFIG_PNPBIOS */ | |
148 | ||
149 | #endif /* __KERNEL__ */ | |
150 | ||
151 | #endif /* _LINUX_PNPBIOS_H */ |