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1da177e4 LT |
1 | /* |
2 | * pnpbios.h - contains local definitions | |
3 | */ | |
4 | ||
dfd2e1b4 BH |
5 | /* |
6 | * Include file for the interface to a PnP BIOS | |
7 | * | |
8 | * Original BIOS code (C) 1998 Christian Schmidt (chr.schmidt@tu-bs.de) | |
9 | * PnP handler parts (c) 1998 Tom Lees <tom@lpsg.demon.co.uk> | |
10 | * Minor reorganizations by David Hinds <dahinds@users.sourceforge.net> | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or modify it | |
13 | * under the terms of the GNU General Public License as published by the | |
14 | * Free Software Foundation; either version 2, or (at your option) any | |
15 | * later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, but | |
18 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
20 | * General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
25 | */ | |
26 | ||
27 | /* | |
28 | * Return codes | |
29 | */ | |
30 | #define PNP_SUCCESS 0x00 | |
31 | #define PNP_NOT_SET_STATICALLY 0x7f | |
32 | #define PNP_UNKNOWN_FUNCTION 0x81 | |
33 | #define PNP_FUNCTION_NOT_SUPPORTED 0x82 | |
34 | #define PNP_INVALID_HANDLE 0x83 | |
35 | #define PNP_BAD_PARAMETER 0x84 | |
36 | #define PNP_SET_FAILED 0x85 | |
37 | #define PNP_EVENTS_NOT_PENDING 0x86 | |
38 | #define PNP_SYSTEM_NOT_DOCKED 0x87 | |
39 | #define PNP_NO_ISA_PNP_CARDS 0x88 | |
40 | #define PNP_UNABLE_TO_DETERMINE_DOCK_CAPABILITIES 0x89 | |
41 | #define PNP_CONFIG_CHANGE_FAILED_NO_BATTERY 0x8a | |
42 | #define PNP_CONFIG_CHANGE_FAILED_RESOURCE_CONFLICT 0x8b | |
43 | #define PNP_BUFFER_TOO_SMALL 0x8c | |
44 | #define PNP_USE_ESCD_SUPPORT 0x8d | |
45 | #define PNP_MESSAGE_NOT_SUPPORTED 0x8e | |
46 | #define PNP_HARDWARE_ERROR 0x8f | |
47 | ||
48 | #define ESCD_SUCCESS 0x00 | |
49 | #define ESCD_IO_ERROR_READING 0x55 | |
50 | #define ESCD_INVALID 0x56 | |
51 | #define ESCD_BUFFER_TOO_SMALL 0x59 | |
52 | #define ESCD_NVRAM_TOO_SMALL 0x5a | |
53 | #define ESCD_FUNCTION_NOT_SUPPORTED 0x81 | |
54 | ||
55 | /* | |
56 | * Events that can be received by "get event" | |
57 | */ | |
58 | #define PNPEV_ABOUT_TO_CHANGE_CONFIG 0x0001 | |
59 | #define PNPEV_DOCK_CHANGED 0x0002 | |
60 | #define PNPEV_SYSTEM_DEVICE_CHANGED 0x0003 | |
61 | #define PNPEV_CONFIG_CHANGED_FAILED 0x0004 | |
62 | #define PNPEV_UNKNOWN_SYSTEM_EVENT 0xffff | |
63 | /* 0x8000 through 0xfffe are OEM defined */ | |
64 | ||
65 | /* | |
66 | * Messages that should be sent through "send message" | |
67 | */ | |
68 | #define PNPMSG_OK 0x00 | |
69 | #define PNPMSG_ABORT 0x01 | |
70 | #define PNPMSG_UNDOCK_DEFAULT_ACTION 0x40 | |
71 | #define PNPMSG_POWER_OFF 0x41 | |
72 | #define PNPMSG_PNP_OS_ACTIVE 0x42 | |
73 | #define PNPMSG_PNP_OS_INACTIVE 0x43 | |
74 | ||
75 | /* | |
76 | * Plug and Play BIOS flags | |
77 | */ | |
78 | #define PNPBIOS_NO_DISABLE 0x0001 | |
79 | #define PNPBIOS_NO_CONFIG 0x0002 | |
80 | #define PNPBIOS_OUTPUT 0x0004 | |
81 | #define PNPBIOS_INPUT 0x0008 | |
82 | #define PNPBIOS_BOOTABLE 0x0010 | |
83 | #define PNPBIOS_DOCK 0x0020 | |
84 | #define PNPBIOS_REMOVABLE 0x0040 | |
85 | #define pnpbios_is_static(x) (((x)->flags & 0x0100) == 0x0000) | |
86 | #define pnpbios_is_dynamic(x) ((x)->flags & 0x0080) | |
87 | ||
88 | /* | |
89 | * Function Parameters | |
90 | */ | |
91 | #define PNPMODE_STATIC 1 | |
92 | #define PNPMODE_DYNAMIC 0 | |
93 | ||
94 | /* 0x8000 through 0xffff are OEM defined */ | |
95 | ||
96 | #pragma pack(1) | |
97 | struct pnp_dev_node_info { | |
98 | __u16 no_nodes; | |
99 | __u16 max_node_size; | |
100 | }; | |
101 | struct pnp_docking_station_info { | |
102 | __u32 location_id; | |
103 | __u32 serial; | |
104 | __u16 capabilities; | |
105 | }; | |
106 | struct pnp_isa_config_struc { | |
107 | __u8 revision; | |
108 | __u8 no_csns; | |
109 | __u16 isa_rd_data_port; | |
110 | __u16 reserved; | |
111 | }; | |
112 | struct escd_info_struc { | |
113 | __u16 min_escd_write_size; | |
114 | __u16 escd_size; | |
115 | __u32 nv_storage_base; | |
116 | }; | |
117 | struct pnp_bios_node { | |
118 | __u16 size; | |
119 | __u8 handle; | |
120 | __u32 eisa_id; | |
121 | __u8 type_code[3]; | |
122 | __u16 flags; | |
123 | __u8 data[0]; | |
124 | }; | |
125 | #pragma pack() | |
126 | ||
127 | /* non-exported */ | |
128 | extern struct pnp_dev_node_info node_info; | |
129 | ||
130 | extern int pnp_bios_dev_node_info(struct pnp_dev_node_info *data); | |
131 | extern int pnp_bios_get_dev_node(u8 *nodenum, char config, | |
132 | struct pnp_bios_node *data); | |
133 | extern int pnp_bios_set_dev_node(u8 nodenum, char config, | |
134 | struct pnp_bios_node *data); | |
135 | extern int pnp_bios_get_stat_res(char *info); | |
136 | extern int pnp_bios_isapnp_config(struct pnp_isa_config_struc *data); | |
137 | extern int pnp_bios_escd_info(struct escd_info_struc *data); | |
138 | extern int pnp_bios_read_escd(char *data, u32 nvram_base); | |
139 | extern int pnp_bios_dock_station_info(struct pnp_docking_station_info *data); | |
140 | ||
1da177e4 LT |
141 | #pragma pack(1) |
142 | union pnp_bios_install_struct { | |
143 | struct { | |
144 | u32 signature; /* "$PnP" */ | |
145 | u8 version; /* in BCD */ | |
146 | u8 length; /* length in bytes, currently 21h */ | |
147 | u16 control; /* system capabilities */ | |
148 | u8 checksum; /* all bytes must add up to 0 */ | |
149 | ||
150 | u32 eventflag; /* phys. address of the event flag */ | |
151 | u16 rmoffset; /* real mode entry point */ | |
152 | u16 rmcseg; | |
153 | u16 pm16offset; /* 16 bit protected mode entry */ | |
154 | u32 pm16cseg; | |
155 | u32 deviceID; /* EISA encoded system ID or 0 */ | |
156 | u16 rmdseg; /* real mode data segment */ | |
157 | u32 pm16dseg; /* 16 bit pm data segment base */ | |
158 | } fields; | |
159 | char chars[0x21]; /* To calculate the checksum */ | |
160 | }; | |
161 | #pragma pack() | |
162 | ||
163 | extern int pnp_bios_present(void); | |
164 | extern int pnpbios_dont_use_current_config; | |
1da177e4 LT |
165 | |
166 | extern int pnpbios_parse_data_stream(struct pnp_dev *dev, struct pnp_bios_node * node); | |
4ab55d8d BH |
167 | extern int pnpbios_read_resources_from_node(struct pnp_dev *dev, struct pnp_bios_node *node); |
168 | extern int pnpbios_write_resources_to_node(struct pnp_dev *dev, struct pnp_bios_node *node); | |
1da177e4 LT |
169 | extern void pnpid32_to_pnpid(u32 id, char *str); |
170 | ||
171 | extern void pnpbios_print_status(const char * module, u16 status); | |
172 | extern void pnpbios_calls_init(union pnp_bios_install_struct * header); | |
173 | ||
174 | #ifdef CONFIG_PNPBIOS_PROC_FS | |
175 | extern int pnpbios_interface_attach_device(struct pnp_bios_node * node); | |
176 | extern int pnpbios_proc_init (void); | |
177 | extern void pnpbios_proc_exit (void); | |
178 | #else | |
179 | static inline int pnpbios_interface_attach_device(struct pnp_bios_node * node) { return 0; } | |
180 | static inline int pnpbios_proc_init (void) { return 0; } | |
181 | static inline void pnpbios_proc_exit (void) { ; } | |
182 | #endif /* CONFIG_PNPBIOS_PROC_FS */ |