| | 1 | /* |
| | 2 | * pnpbios.h - contains local definitions |
| | 3 | */ |
| | 4 | |
| | 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 | |
| | 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; |
| | 165 | |
| | 166 | extern int pnpbios_parse_data_stream(struct pnp_dev *dev, struct pnp_bios_node * node); |
| | 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); |
| | 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 */ |
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