[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / pnp / pnpbios / pnpbios.h

/*
 * pnpbios.h - contains local definitions
 */

/*
 * 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
 */

/*
 * 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()

/* 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);

#pragma pack(1)
union pnp_bios_install_struct {
	struct {
		u32 signature;    /* "$PnP" */
		u8 version;	  /* in BCD */
		u8 length;	  /* length in bytes, currently 21h */
		u16 control;	  /* system capabilities */
		u8 checksum;	  /* all bytes must add up to 0 */

		u32 eventflag;    /* phys. address of the event flag */
		u16 rmoffset;     /* real mode entry point */
		u16 rmcseg;
		u16 pm16offset;   /* 16 bit protected mode entry */
		u32 pm16cseg;
		u32 deviceID;	  /* EISA encoded system ID or 0 */
		u16 rmdseg;	  /* real mode data segment */
		u32 pm16dseg;	  /* 16 bit pm data segment base */
	} fields;
	char chars[0x21];	  /* To calculate the checksum */
};
#pragma pack()

extern int pnp_bios_present(void);
extern int  pnpbios_dont_use_current_config;

extern int pnpbios_parse_data_stream(struct pnp_dev *dev, struct pnp_bios_node * node);
extern int pnpbios_read_resources_from_node(struct pnp_dev *dev, struct pnp_bios_node *node);
extern int pnpbios_write_resources_to_node(struct pnp_dev *dev, struct pnp_bios_node *node);
extern void pnpid32_to_pnpid(u32 id, char *str);

extern void pnpbios_print_status(const char * module, u16 status);
extern void pnpbios_calls_init(union pnp_bios_install_struct * header);

#ifdef CONFIG_PNPBIOS_PROC_FS
extern int pnpbios_interface_attach_device(struct pnp_bios_node * node);
extern int pnpbios_proc_init (void);
extern void pnpbios_proc_exit (void);
#else
static inline int pnpbios_interface_attach_device(struct pnp_bios_node * node) { return 0; }
static inline int pnpbios_proc_init (void) { return 0; }
static inline void pnpbios_proc_exit (void) { ; }
#endif /* CONFIG_PNPBIOS_PROC_FS */
Commit	Line	Data
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
1da177e4 LT	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);
4ab55d8d BH	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 */