1 /*        $NetBSD: pnpbiosreg.h,v 1.4 2007/12/25 18:33:33 perry Exp $ */
2 /*
3  * Copyright (c) 2000 Christian E. Hopps
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 /* functions */
29 #define   PNP_FC_GET_NUM_NODES          0x00
30 #define   PNP_FC_GET_DEVICE_NODE        0x01
31 #define   PNP_FC_SET_DEVICE_NODE        0x02
32 #define   PNP_FC_GET_EVENT    0x03
33 #define   PNP_FC_SEND_MESSAGE 0x04
34 #define   PNP_FC_GET_DOCK_INFO          0x05
35 #define   PNP_FC_SET_STATIC_RES         0x09      /* no support currently */
36 #define   PNP_FC_GET_STATIC_RES         0x0A      /* no support currently */
37 #define   PNP_FC_GET_APM_TABLE          0x0B
38 #define   PNP_FC_GET_ISA_CONFIG         0x40      /* no support currently */
39 #define   PNP_FC_GET_ESCD_SYS_CONFIG    0x41      /* no support currently */
40 #define   PNP_FC_READ_ESCD_SYS_CONFIG   0x42      /* no support currently */
41 #define   PNP_FC_WRITE_ESCD_SYS_CONFIG  0x43      /* no support currently */
42 
43 /* return codes from pnp bios calls */
44 #define   PNP_RC_SUCCESS                          0x00
45 #define   PNP_RC_ERROR_MASK             0x80
46 #define   PNP_RC_RESERVED                         0x01
47 #define   PNP_RC_NOT_SET_STATICALLY     0x7f      /* warning */
48 #define   PNP_RC_UNKNOWN_FUNCTION                 0x81
49 #define   PNP_RC_FUNCTION_NOT_SUPPORTED 0x82
50 #define   PNP_RC_INVALID_HANDLE                   0x83
51 #define   PNP_RC_BAD_PARAMETER                    0x84
52 #define   PNP_RC_SET_FAILED             0x85
53 #define   PNP_RC_EVENTS_NOT_PENDING     0x86
54 #define   PNP_RC_SYSTEM_NOT_DOCKED      0x87
55 #define   PNP_RC_NO_ISA_PNP_CARDS                 0x88
56 #define   PNP_RC_UNABLE_TO_DETERMINE_DOCK_CAPABILITIES      0x89
57 #define   PNP_RC_CONFIG_CHANGE_FAILED_NO_BATTERY            0x8a
58 #define   PNP_RC_CONFIG_CHANGE_FAILED_RESOURCE_CONFLICT     0x8b
59 #define   PNP_RC_BUFFER_TOO_SMALL                 0x8c
60 #define   PNP_RC_USE_ESCD_SUPPORT                 0x8d
61 #define   PNP_RC_MESSAGE_NOT_SUPPORTED  0x8e
62 #define   PNP_RC_HARDWARE_ERROR                   0x8f
63 
64 /* event identifiers */
65 #define   PNP_EID_ABOUT_TO_CHANGE_CONFIG          0x0001
66 #define   PNP_EID_DOCK_CHANGED                    0x0002
67 #define   PNP_EID_SYSTEM_DEVICE_CHANGED 0x0003
68 #define   PNP_EID_CONFIG_CHANGE_FAILED  0x0004
69 #define   PNP_EID_UNKNOWN_SYSTEM_EVENT  0xffff
70 #define   PNP_EID_OEM_DEFINED_BIT                 0x8000
71 
72 /* response messages */
73 #define   PNP_RM_OK           0x00
74 #define   PNP_RM_ABORT                  0x01
75 
76 /* control messages */
77 #define   PNP_CM_UNDOCK_DEFAULT_ACTION  0x0040
78 #define   PNP_CM_POWER_OFF              0x0041
79 #define   PNP_CM_PNP_OS_ACTIVE                    0x0042
80 #define   PNP_CM_PNP_OS_INACTIVE                  0x0043
81 #define   PNP_CM_OEM_DEFINED_BIT                  0x8000
82 
83 /* control flags -- used with [GS]ET_DEVICE_NODE */
84 #define PNP_CF_DEVCONF_DYNAMIC          0x01
85 #define PNP_CF_DEVCONF_STATIC 0x02
86 
87 /* main pnpbios structure -- note not naturally aligned */
88 struct pnpinstcheck {
89           uint32_t  ic_sig;                       /* '$PnP' */
90           uint8_t             ic_version;                   /* 0x10 currently */
91           uint8_t             ic_length;                    /* 0x21 currently */
92           uint16_t  ic_control;
93           uint8_t             ic_cksum;
94           uint32_t  ic_evaddr;
95           uint16_t  ic_rcodeoff;
96           uint16_t  ic_rcodeseg;
97           uint16_t  ic_pcodeoff;
98           uint32_t  ic_pcodeseg;
99           uint32_t  ic_oemid;
100           uint16_t  ic_rdataseg;
101           uint32_t  ic_pdataseg;
102 } __packed;
103 #define   PNP_IC_VERSION_1_0            0x10
104 #define   PNP_IC_CONTORL_EVENT_MASK     0x0003
105 #define   PNP_IC_CONTROL_EVENT_NONE     0x0000
106 #define   PNP_IC_CONTROL_EVENT_POLL     0x0001
107 #define   PNP_IC_CONTROL_EVENT_ASYNC    0x0002
108 
109 /* structure used by [GS]ET_DEVICE_NODE -- note not naturally aligned */
110 struct pnpdevnode {
111           uint16_t  dn_size;
112           uint8_t             dn_handle;
113           uint32_t  dn_product;
114           uint8_t             dn_type;  /* base type */
115           uint8_t             dn_subtype;         /* sub type depends on base */
116           uint8_t             dn_dpi;             /* dev prog intf depends on subtype */
117           uint16_t  dn_attr;
118           /* variable - allocated resource */
119           /* variable - possible resource */
120           /* variable - compatible identifiers */
121 } __packed;
122 #define   PNP_DN_ATTR_CONFIG_TIME_MASK            0x0180
123 #define   PNP_DN_ATTR_CONFIG_TIME_NEXT_BOOT       0x0000
124 #define   PNP_DN_ATTR_CONFIG_TIME_BOTH            0x0080
125 #define   PNP_DN_ATTR_CONFIG_TIME_RUNTIME                   0x0180
126 #define   PNP_DN_ATTR_REMOVABLE                   0x0040
127 #define   PNP_DN_ATTR_DOCK_DEVICE                 0x0010
128 #define   PNP_DN_ATTR_CAP_PRIMARY_IPL   0x0010
129 #define   PNP_DN_ATTR_CAP_PRIMARY_INPUT 0x0008
130 #define   PNP_DN_ATTR_CAP_PRIMARY_OUTPUT          0x0004
131 #define   PNP_DN_ATTR_CAN_CONFIGURE     0x0002
132 #define   PNP_DN_ATTR_CAN_DISABLE                 0x0001
133 
134 
135 /* returned by GET_DOCK_INFO bios call */
136 struct pnpdockinfo {
137           uint32_t  di_id;              /* dock station id */
138           uint32_t  di_serial;          /* serial number */
139           uint16_t  di_cap;             /* capabilities */
140 } __packed;
141 #define   PNP_DI_ID_UNKNOWN_DOCKING_ID  0xffffffff
142 #define   PNP_DI_DOCK_WHEN_MASK                   0x0006
143 #define   PNP_DI_DOCK_WHEN_NO_POWER     0x0000
144 #define   PNP_DI_DOCK_WHEN_SUSPENDED    0x0002
145 #define   PNP_DI_DOCK_WHEN_RUNNING      0x0004
146 #define   PNP_DI_DOCK_WHEN_RESERVED     0x0006
147 #define   PNP_DI_DOCK_STYLE_MASK                  0x0001
148 #define   PNP_DI_DOCK_STYLE_SUPRISE     0x0000    /* just remove */
149 #define   PNP_DI_DOCK_STYLE_VCR                   0x0001    /* controlled */
150 
151 struct pnplargeres {
152           uint8_t             r_type;
153           uint16_t  r_len;
154           /* variable */
155 } __packed;
156 
157 /* resource descriptors */
158 struct pnpmem16rangeres {
159           struct pnplargeres  r_hdr;
160           uint8_t             r_flags;
161           uint16_t  r_minbase;          /* bits 23-8 */
162           uint16_t  r_maxbase;          /* bits 23-8 */
163           uint16_t  r_align;  /* 0 == 0x10000 */
164           uint16_t  r_len;              /* bits 23-8 */
165 } __packed;
166 
167 struct pnpmem32rangeres {
168           struct pnplargeres  r_hdr;
169           uint8_t             r_flags;
170           uint32_t  r_minbase;
171           uint32_t  r_maxbase;
172           uint32_t  r_align;
173           uint32_t  r_len;
174 } __packed;
175 
176 struct pnpfixedmem32rangeres {
177           struct pnplargeres  r_hdr;
178           uint8_t             r_flags;
179           uint32_t  r_base;
180           uint32_t  r_len;
181 } __packed;
182 
183 struct pnpansiidentres {
184           struct pnplargeres  r_hdr;
185           uint8_t             r_id[1];  /* variable */
186 } __packed;
187 
188 struct pnpdevidres {
189           uint8_t             r_hdr;
190           uint32_t  r_id;
191           uint16_t  r_flags;
192 } __packed;
193 
194 struct pnpcompatres {
195           uint8_t             r_hdr;
196           uint32_t  r_id;
197 } __packed;
198 
199 struct pnpirqres {
200           uint8_t             r_hdr;
201           uint16_t  r_mask;
202           uint8_t             r_info;             /* may not be present */
203 } __packed;
204 
205 struct pnpdmares {
206           uint8_t             r_hdr;
207           uint8_t             r_mask;
208           uint8_t             r_flags;
209 } __packed;
210 
211 struct pnpportres {
212           uint8_t             r_hdr;
213           uint8_t             r_flags;
214           uint16_t  r_minbase;
215           uint16_t  r_maxbase;
216           uint8_t             r_align;
217           uint8_t             r_len;
218 } __packed;
219 
220 struct pnpfixedportres {
221           uint8_t             r_hdr;
222           uint16_t  r_base;
223           uint8_t             r_len;
224 } __packed;
225 
226 struct pnpdepstartres {
227           uint8_t             r_hdr;
228           uint8_t             r_pri;    /* may not be present */
229 } __packed;
230 
231 struct pnpendres {
232           uint8_t             r_hdr;
233           uint8_t             r_cksum;
234 } __packed;
235